diff options
author | Gareth Hughes <gareth@users.sourceforge.net> | 2001-01-24 16:09:02 +0000 |
---|---|---|
committer | Gareth Hughes <gareth@users.sourceforge.net> | 2001-01-24 16:09:02 +0000 |
commit | 4840ecda0b3b09779f1a7e508f8ac3e798e03d46 (patch) | |
tree | 3a0e8012542779a852fbb51cfd17167cc141e2a6 | |
parent | 4d2a4455b4e7bc65952aa6167c34b488c4ca3b8d (diff) | |
download | drm-4840ecda0b3b09779f1a7e508f8ac3e798e03d46.tar.gz |
New DRM template architecture, with initial implementation of MGA driver
using core DRM templates. Other drivers to follow.
Note: This is missing the corresponding updates to the MGA 2D driver, so it
will not run yet. These updates will also follow.
-rw-r--r-- | linux-core/Makefile.kernel | 7 | ||||
-rw-r--r-- | linux-core/drmP.h | 434 | ||||
-rw-r--r-- | linux-core/drm_agpsupport.c (renamed from linux/agpsupport.c) | 123 | ||||
-rw-r--r-- | linux-core/drm_auth.c (renamed from linux/auth.c) | 66 | ||||
-rw-r--r-- | linux-core/drm_bufs.c | 746 | ||||
-rw-r--r-- | linux-core/drm_context.c | 272 | ||||
-rw-r--r-- | linux-core/drm_dma.c (renamed from linux/dma.c) | 217 | ||||
-rw-r--r-- | linux-core/drm_drawable.c (renamed from linux/drawable.c) | 28 | ||||
-rw-r--r-- | linux-core/drm_drv.c | 842 | ||||
-rw-r--r-- | linux-core/drm_fops.c (renamed from linux/fops.c) | 56 | ||||
-rw-r--r-- | linux-core/drm_init.c (renamed from linux/init.c) | 51 | ||||
-rw-r--r-- | linux-core/drm_ioctl.c (renamed from linux/ioctl.c) | 40 | ||||
-rw-r--r-- | linux-core/drm_lock.c (renamed from linux/lock.c) | 100 | ||||
-rw-r--r-- | linux-core/drm_memory.h (renamed from linux/memory.c) | 128 | ||||
-rw-r--r-- | linux-core/drm_proc.c (renamed from linux/proc.c) | 47 | ||||
-rw-r--r-- | linux-core/drm_vm.c (renamed from linux/vm.c) | 120 | ||||
-rw-r--r-- | linux-core/mga_drv.c | 720 | ||||
-rw-r--r-- | linux-core/r128_drv.c | 2 | ||||
-rw-r--r-- | linux/Makefile.kernel | 7 | ||||
-rw-r--r-- | linux/Makefile.linux | 19 | ||||
-rw-r--r-- | linux/bufs.c | 537 | ||||
-rw-r--r-- | linux/ctxbitmap.c | 85 | ||||
-rw-r--r-- | linux/drm.h | 38 | ||||
-rw-r--r-- | linux/drmP.h | 434 | ||||
-rw-r--r-- | linux/drm_agpsupport.h | 335 | ||||
-rw-r--r-- | linux/drm_auth.h | 162 | ||||
-rw-r--r-- | linux/drm_bufs.h | 746 | ||||
-rw-r--r-- | linux/drm_context.h | 272 | ||||
-rw-r--r-- | linux/drm_dma.h | 568 | ||||
-rw-r--r-- | linux/drm_drawable.h | 51 | ||||
-rw-r--r-- | linux/drm_drv.h | 842 | ||||
-rw-r--r-- | linux/drm_fops.h | 252 | ||||
-rw-r--r-- | linux/drm_init.h | 112 | ||||
-rw-r--r-- | linux/drm_ioctl.h | 99 | ||||
-rw-r--r-- | linux/drm_lists.h (renamed from linux/lists.c) | 88 | ||||
-rw-r--r-- | linux/drm_lock.h | 256 | ||||
-rw-r--r-- | linux/drm_memory.h | 450 | ||||
-rw-r--r-- | linux/drm_proc.h | 578 | ||||
-rw-r--r-- | linux/drm_vm.h | 370 | ||||
-rw-r--r-- | linux/mga.h | 47 | ||||
-rw-r--r-- | linux/mga_bufs.c | 612 | ||||
-rw-r--r-- | linux/mga_context.c | 209 | ||||
-rw-r--r-- | linux/mga_dma.c | 1665 | ||||
-rw-r--r-- | linux/mga_drm.c | 66 | ||||
-rw-r--r-- | linux/mga_drm.h | 371 | ||||
-rw-r--r-- | linux/mga_drv.c | 720 | ||||
-rw-r--r-- | linux/mga_drv.h | 782 | ||||
-rw-r--r-- | linux/mga_state.c | 1180 | ||||
-rw-r--r-- | linux/mga_ucode.h | 11645 | ||||
-rw-r--r-- | linux/mga_warp.c | 215 | ||||
-rw-r--r-- | linux/r128_cce.c | 127 | ||||
-rw-r--r-- | linux/r128_drm.h | 9 | ||||
-rw-r--r-- | linux/r128_drv.c | 2 | ||||
-rw-r--r-- | linux/r128_drv.h | 75 | ||||
-rw-r--r-- | linux/r128_state.c | 224 | ||||
-rw-r--r-- | linux/radeon_cp.c | 1294 | ||||
-rw-r--r-- | linux/radeon_drm.h | 327 | ||||
-rw-r--r-- | linux/radeon_state.c | 1457 | ||||
-rw-r--r-- | shared-core/drm.h | 38 | ||||
-rw-r--r-- | shared/drm.h | 38 |
60 files changed, 23061 insertions, 8342 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 9fe0038f..5482833f 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -49,8 +49,7 @@ r128-objs := r128_drv.o r128_cce.o r128_context.o r128_bufs.o \ radeon-objs := radeon_drv.o radeon_cp.o radeon_context.o radeon_bufs.o \ radeon_state.o ffb-objs := ffb_drv.o ffb_context.o -mga-objs := mga_drv.o mga_dma.o mga_context.o mga_bufs.o \ - mga_state.o +mga-objs := mga_drv.o mga_drm.o mga_dma.o mga_state.o mga_warp.o i810-objs := i810_drv.o i810_dma.o i810_context.o i810_bufs.o obj-$(CONFIG_DRM_GAMMA) += gamma.o @@ -62,7 +61,7 @@ obj-$(CONFIG_DRM_MGA) += mga.o obj-$(CONFIG_DRM_I810) += i810.o -# When linking into the kernel, link the library just once. +# When linking into the kernel, link the library just once. # If making modules, we include the library into each module lib-objs-mod := $(patsubst %.o,%-mod.o,$(lib-objs)) @@ -75,7 +74,7 @@ endif include $(TOPDIR)/Rules.make -$(patsubst %.o,%.c,$(lib-objs-mod)): +$(patsubst %.o,%.c,$(lib-objs-mod)): @ln -sf $(subst -mod,,$@) $@ drmlib-mod.a: $(lib-objs-mod) diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 9a8fe61f..1efd7f66 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -25,8 +25,8 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #ifndef _DRM_P_H_ @@ -75,6 +75,32 @@ #endif #include "drm.h" +/* DRM template customization defaults + */ +#ifndef __HAVE_AGP +#define __HAVE_AGP 0 +#endif +#ifndef __HAVE_MTRR +#define __HAVE_MTRR 0 +#endif +#ifndef __HAVE_DMA +#define __HAVE_DMA 0 +#endif +#ifndef __HAVE_DMA_WAITLIST +#define __HAVE_DMA_WAITLIST 0 +#endif +#ifndef __HAVE_DMA_FREELIST +#define __HAVE_DMA_FREELIST 0 +#endif + +#define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ + defined(CONFIG_AGP_MODULE))) +#define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) + + +/* Begin the DRM... + */ + #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then also include looping detection. */ #define DRM_DMA_HISTOGRAM 1 /* Make histogram of DMA latency. */ @@ -263,12 +289,12 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) #if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ - do { \ - if (drm_flags&DRM_FLAG_DEBUG) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ - ##arg); \ +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if ( DRM(flags) & DRM_FLAG_DEBUG ) \ + printk(KERN_DEBUG \ + "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) @@ -284,27 +310,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { ret; return len; } - /* Mapping helper macros */ -#define DRM_IOREMAP(map) \ - (map)->handle = drm_ioremap( (map)->offset, (map)->size ) - -#define DRM_IOREMAPFREE(map) \ - do { \ - if ( (map)->handle && (map)->size ) \ - drm_ioremapfree( (map)->handle, (map)->size ); \ - } while (0) - -#define DRM_FIND_MAP(map, o) \ - do { \ - int i; \ - for ( i = 0 ; i < dev->map_count ; i++ ) { \ - if ( dev->maplist[i]->offset == o ) { \ - map = dev->maplist[i]; \ - break; \ - } \ - } \ - } while (0) - /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) @@ -314,8 +319,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) -typedef int drm_ioctl_t(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +typedef int drm_ioctl_t( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); typedef struct drm_ioctl_desc { drm_ioctl_t *func; @@ -501,7 +506,7 @@ typedef struct drm_device_dma { unsigned long *pagelist; unsigned long byte_count; enum { - _DRM_DMA_USE_AGP = 0x01 + _DRM_DMA_USE_AGP = 0x01 } flags; /* DMA support */ @@ -511,7 +516,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -617,7 +622,7 @@ typedef struct drm_device { wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif unsigned long *ctx_bitmap; @@ -630,227 +635,234 @@ typedef struct drm_device { /* Internal function definitions */ /* Misc. support (init.c) */ -extern int drm_flags; -extern void drm_parse_options(char *s); -extern int drm_cpu_valid(void); +extern int DRM(flags); +extern void DRM(parse_options)( char *s ); +extern int DRM(cpu_valid)( void ); /* Device support (fops.c) */ -extern int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int drm_flush(struct file *filp); -extern int drm_release(struct inode *inode, struct file *filp); -extern int drm_fasync(int fd, struct file *filp, int on); -extern ssize_t drm_read(struct file *filp, char *buf, size_t count, - loff_t *off); -extern int drm_write_string(drm_device_t *dev, const char *s); -extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); +extern int DRM(open_helper)(struct inode *inode, struct file *filp, + drm_device_t *dev); +extern int DRM(flush)(struct file *filp); +extern int DRM(release_fuck)(struct inode *inode, struct file *filp); +extern int DRM(fasync)(int fd, struct file *filp, int on); +extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, + loff_t *off); +extern int DRM(write_string)(drm_device_t *dev, const char *s); +extern unsigned int DRM(poll)(struct file *filp, + struct poll_table_struct *wait); /* Mapping support (vm.c) */ #if LINUX_VERSION_CODE < 0x020317 -extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, +extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +#else + /* Return type changed in 2.3.23 */ +extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -#else - /* Return type changed in 2.3.23 */ -extern struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#endif -extern void drm_vm_open(struct vm_area_struct *vma); -extern void drm_vm_close(struct vm_area_struct *vma); -extern int drm_mmap_dma(struct file *filp, - struct vm_area_struct *vma); -extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); +#endif +extern void DRM(vm_open)(struct vm_area_struct *vma); +extern void DRM(vm_close)(struct vm_area_struct *vma); +extern int DRM(mmap_dma)(struct file *filp, + struct vm_area_struct *vma); +extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); /* Proc support (proc.c) */ -extern int drm_proc_init(drm_device_t *dev); -extern int drm_proc_cleanup(void); +extern int DRM(proc_init)(drm_device_t *dev); +extern int DRM(proc_cleanup)(void); /* Memory management support (memory.c) */ -extern void drm_mem_init(void); -extern int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -extern void *drm_alloc(size_t size, int area); -extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, - int area); -extern char *drm_strdup(const char *s, int area); -extern void drm_strfree(const char *s, int area); -extern void drm_free(void *pt, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, - int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size); -extern void drm_ioremapfree(void *pt, unsigned long size); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -extern agp_memory *drm_alloc_agp(int pages, u32 type); -extern int drm_free_agp(agp_memory *handle, int pages); -extern int drm_bind_agp(agp_memory *handle, unsigned int start); -extern int drm_unbind_agp(agp_memory *handle); -#endif - - - /* Buffer management support (bufs.c) */ -extern int drm_order(unsigned long size); -extern int drm_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - - /* Buffer list management support (lists.c) */ -extern int drm_waitlist_create(drm_waitlist_t *bl, int count); -extern int drm_waitlist_destroy(drm_waitlist_t *bl); -extern int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf); -extern drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl); - -extern int drm_freelist_create(drm_freelist_t *bl, int count); -extern int drm_freelist_destroy(drm_freelist_t *bl); -extern int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, - drm_buf_t *buf); -extern drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block); - - /* DMA support (gen_dma.c) */ -extern void drm_dma_setup(drm_device_t *dev); -extern void drm_dma_takedown(drm_device_t *dev); -extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); -extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int drm_context_switch(drm_device_t *dev, int old, int new); -extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_clear_next_buffer(drm_device_t *dev); -extern int drm_select_queue(drm_device_t *dev, - void (*wrapper)(unsigned long)); -extern int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma); -extern int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma); -#if DRM_DMA_HISTOGRAM -extern int drm_histogram_slot(unsigned long count); -extern void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(mem_init)(void); +extern int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +extern void *DRM(alloc)(size_t size, int area); +extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, + int area); +extern char *DRM(strdup)(const char *s, int area); +extern void DRM(strfree)(const char *s, int area); +extern void DRM(free)(void *pt, size_t size, int area); +extern unsigned long DRM(alloc_pages)(int order, int area); +extern void DRM(free_pages)(unsigned long address, int order, + int area); +extern void *DRM(ioremap)(unsigned long offset, unsigned long size); +extern void DRM(ioremapfree)(void *pt, unsigned long size); + +#if __REALLY_HAVE_AGP +extern agp_memory *DRM(alloc_agp)(int pages, u32 type); +extern int DRM(free_agp)(agp_memory *handle, int pages); +extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); +extern int DRM(unbind_agp)(agp_memory *handle); #endif - /* Misc. IOCTL support (ioctl.c) */ -extern int drm_irq_busid(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_setunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* Context IOCTL support (context.c) */ -extern int drm_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); /* Drawable IOCTL support (drawable.c) */ -extern int drm_adddraw(struct inode *inode, struct file *filp, +extern int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(rmdraw)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_rmdraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); /* Authentication IOCTL support (auth.c) */ -extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, - drm_magic_t magic); -extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); -extern int drm_getmagic(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_authmagic(struct inode *inode, struct file *filp, +extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, + drm_magic_t magic); +extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); +extern int DRM(getmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* Locking IOCTL support (lock.c) */ -extern int drm_block(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_unblock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_finish(struct inode *inode, struct file *filp, +extern int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_flush_unblock(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_notifier(void *priv); +extern int DRM(unblock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(lock_take)(__volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(finish)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(flush_unblock)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(notifier)(void *priv); /* Context Bitmap support (ctxbitmap.c) */ -extern int drm_ctxbitmap_init(drm_device_t *dev); -extern void drm_ctxbitmap_cleanup(drm_device_t *dev); -extern int drm_ctxbitmap_next(drm_device_t *dev); -extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +extern int DRM(ctxbitmap_init)( drm_device_t *dev ); +extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + + + + /* Buffer management support (bufs.c) */ +extern int DRM(order)( unsigned long size ); +extern int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + +#if __HAVE_DMA + /* DMA support (dma.c) */ +extern int DRM(dma_setup)(drm_device_t *dev); +extern void DRM(dma_takedown)(drm_device_t *dev); +extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid); +extern int DRM(context_switch)(drm_device_t *dev, int old, int new); +extern int DRM(context_switch_complete)(drm_device_t *dev, int new); +extern void DRM(clear_next_buffer)(drm_device_t *dev); +extern int DRM(select_queue)(drm_device_t *dev, + void (*wrapper)(unsigned long)); +extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); +#if 0 +extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); +#endif +#if DRM_DMA_HISTOGRAM +extern int DRM(histogram_slot)(unsigned long count); +extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf); +#endif +#endif + + /* Buffer list management support (lists.c) */ +#if __HAVE_DMA_WAITLIST +extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); +extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); +extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); +#endif +#if __HAVE_DMA_FREELIST +extern int DRM(freelist_create)(drm_freelist_t *bl, int count); +extern int DRM(freelist_destroy)(drm_freelist_t *bl); +extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); +#endif + +#if __REALLY_HAVE_AGP /* AGP/GART support (agpsupport.c) */ -extern drm_agp_head_t *drm_agp_init(void); -extern void drm_agp_uninit(void); -extern int drm_agp_acquire(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void _drm_agp_release(void); -extern int drm_agp_release(struct inode *inode, struct file *filp, +extern drm_agp_head_t *DRM(agp_init)(void); +extern void DRM(agp_uninit)(void); +extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern void DRM(agp_do_release)(void); +extern int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_enable)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_enable(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_info(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_alloc(struct inode *inode, struct file *filp, +extern int DRM(agp_info)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_unbind(struct inode *inode, struct file *filp, +extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_bind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern agp_memory *drm_agp_allocate_memory(size_t pages, u32 type); -extern int drm_agp_free_memory(agp_memory *handle); -extern int drm_agp_bind_memory(agp_memory *handle, off_t start); -extern int drm_agp_unbind_memory(agp_memory *handle); +extern int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); +extern int DRM(agp_free_memory)(agp_memory *handle); +extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); +extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif #endif #endif diff --git a/linux/agpsupport.c b/linux-core/drm_agpsupport.c index c996df8f..da4f343b 100644 --- a/linux/agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -1,4 +1,4 @@ -/* agpsupport.c -- DRM support for AGP/GART backend -*- linux-c -*- +/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*- * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -11,26 +11,30 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Author: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" #include <linux/module.h> + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + #if LINUX_VERSION_CODE < 0x020400 #include "agpsupport-pre24.h" #else @@ -40,8 +44,8 @@ static const drm_agp_t *drm_agp = NULL; -int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_info)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -66,8 +70,8 @@ int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -79,8 +83,8 @@ int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -89,16 +93,16 @@ int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd, drm_agp->release(); dev->agp->acquired = 0; return 0; - + } -void _drm_agp_release(void) +void DRM(agp_do_release)(void) { if (drm_agp->release) drm_agp->release(); } -int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_enable)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -108,7 +112,7 @@ int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode))) return -EFAULT; - + dev->agp->mode = mode.mode; drm_agp->enable(mode.mode); dev->agp->base = dev->agp->agp_info.aper_base; @@ -116,8 +120,8 @@ int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_alloc)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -126,22 +130,23 @@ int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, agp_memory *memory; unsigned long pages; u32 type; + if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS))) + if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) return -ENOMEM; - + memset(entry, 0, sizeof(*entry)); pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; type = (u32) request.type; - if (!(memory = drm_alloc_agp(pages, type))) { - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + if (!(memory = DRM(alloc_agp)(pages, type))) { + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -ENOMEM; } - + entry->handle = (unsigned long)memory->memory; entry->memory = memory; entry->bound = 0; @@ -157,15 +162,15 @@ int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) { dev->agp->memory = entry->next; dev->agp->memory->prev = NULL; - drm_free_agp(memory, pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + DRM(free_agp)(memory, pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -EFAULT; } return 0; } -static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, - unsigned long handle) +static drm_agp_mem_t *DRM(agp_lookup_entry)(drm_device_t *dev, + unsigned long handle) { drm_agp_mem_t *entry; @@ -175,8 +180,8 @@ static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, return NULL; } -int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -186,14 +191,14 @@ int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd, if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; if (!entry->bound) return -EINVAL; - return drm_unbind_agp(entry->memory); + return DRM(unbind_agp)(entry->memory); } -int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -201,56 +206,56 @@ int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd, drm_agp_mem_t *entry; int retcode; int page; - + if (!dev->agp->acquired || !drm_agp->bind_memory) return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; if (entry->bound) return -EINVAL; page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; - if ((retcode = drm_bind_agp(entry->memory, page))) return retcode; + if ((retcode = DRM(bind_agp)(entry->memory, page))) return retcode; entry->bound = dev->agp->base + (page << PAGE_SHIFT); - DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", dev->agp->base, entry->bound); return 0; } -int drm_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_agp_buffer_t request; drm_agp_mem_t *entry; - + if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; - if (entry->bound) drm_unbind_agp(entry->memory); - + if (entry->bound) DRM(unbind_agp)(entry->memory); + if (entry->prev) entry->prev->next = entry->next; else dev->agp->memory = entry->next; if (entry->next) entry->next->prev = entry->prev; - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + DRM(free_agp)(entry->memory, entry->pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return 0; } -drm_agp_head_t *drm_agp_init(void) +drm_agp_head_t *DRM(agp_init)(void) { drm_agp_head_t *head = NULL; drm_agp = DRM_AGP_GET; if (drm_agp) { - if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS))) + if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS))) return NULL; memset((void *)head, 0, sizeof(*head)); drm_agp->copy_info(&head->agp_info); if (head->agp_info.chipset == NOT_SUPPORTED) { - drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + DRM(free)(head, sizeof(*head), DRM_MEM_AGPLISTS); return NULL; } head->memory = NULL; @@ -271,9 +276,9 @@ drm_agp_head_t *drm_agp_init(void) #if LINUX_VERSION_CODE >= 0x020400 case VIA_MVP4: head->chipset = "VIA MVP4"; break; - case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; + case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; break; - case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; + case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; break; #endif @@ -296,33 +301,35 @@ drm_agp_head_t *drm_agp_init(void) return head; } -void drm_agp_uninit(void) +void DRM(agp_uninit)(void) { DRM_AGP_PUT; drm_agp = NULL; } -agp_memory *drm_agp_allocate_memory(size_t pages, u32 type) +agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type) { if (!drm_agp->allocate_memory) return NULL; return drm_agp->allocate_memory(pages, type); } -int drm_agp_free_memory(agp_memory *handle) +int DRM(agp_free_memory)(agp_memory *handle) { if (!handle || !drm_agp->free_memory) return 0; drm_agp->free_memory(handle); return 1; } -int drm_agp_bind_memory(agp_memory *handle, off_t start) +int DRM(agp_bind_memory)(agp_memory *handle, off_t start) { if (!handle || !drm_agp->bind_memory) return -EINVAL; return drm_agp->bind_memory(handle, start); } -int drm_agp_unbind_memory(agp_memory *handle) +int DRM(agp_unbind_memory)(agp_memory *handle) { if (!handle || !drm_agp->unbind_memory) return -EINVAL; return drm_agp->unbind_memory(handle); } + +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/auth.c b/linux-core/drm_auth.c index 80bb4b65..e0e52992 100644 --- a/linux/auth.c +++ b/linux-core/drm_auth.c @@ -1,5 +1,5 @@ -/* auth.c -- IOCTLs for authentication -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com +/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,37 +11,37 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -static int drm_hash_magic(drm_magic_t magic) +static int DRM(hash_magic)(drm_magic_t magic) { return magic & (DRM_HASH_SIZE-1); } -static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) +static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic) { drm_file_t *retval = NULL; drm_magic_entry_t *pt; - int hash = drm_hash_magic(magic); + int hash = DRM(hash_magic)(magic); down(&dev->struct_sem); for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { @@ -54,15 +54,15 @@ static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) return retval; } -int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) { int hash; drm_magic_entry_t *entry; - + DRM_DEBUG("%d\n", magic); - - hash = drm_hash_magic(magic); - entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC); + + hash = DRM(hash_magic)(magic); + entry = DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC); if (!entry) return -ENOMEM; entry->magic = magic; entry->priv = priv; @@ -77,19 +77,19 @@ int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) dev->magiclist[hash].tail = entry; } up(&dev->struct_sem); - + return 0; } -int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) +int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic) { drm_magic_entry_t *prev = NULL; drm_magic_entry_t *pt; int hash; - + DRM_DEBUG("%d\n", magic); - hash = drm_hash_magic(magic); - + hash = DRM(hash_magic)(magic); + down(&dev->struct_sem); for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { if (pt->magic == magic) { @@ -108,13 +108,13 @@ int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) } up(&dev->struct_sem); - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - + DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC); + return -EINVAL; } -int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(getmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { static drm_magic_t sequence = 0; static spinlock_t lock = SPIN_LOCK_UNLOCKED; @@ -131,19 +131,19 @@ int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (!sequence) ++sequence; /* reserve 0 */ auth.magic = sequence++; spin_unlock(&lock); - } while (drm_find_file(dev, auth.magic)); + } while (DRM(find_file)(dev, auth.magic)); priv->magic = auth.magic; - drm_add_magic(dev, priv, auth.magic); + DRM(add_magic)(dev, priv, auth.magic); } - + DRM_DEBUG("%u\n", auth.magic); if (copy_to_user((drm_auth_t *)arg, &auth, sizeof(auth))) return -EFAULT; return 0; } -int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -153,9 +153,9 @@ int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&auth, (drm_auth_t *)arg, sizeof(auth))) return -EFAULT; DRM_DEBUG("%u\n", auth.magic); - if ((file = drm_find_file(dev, auth.magic))) { + if ((file = DRM(find_file)(dev, auth.magic))) { file->authenticated = 1; - drm_remove_magic(dev, auth.magic); + DRM(remove_magic)(dev, auth.magic); return 0; } return -EINVAL; diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c new file mode 100644 index 00000000..1fda2d25 --- /dev/null +++ b/linux-core/drm_bufs.c @@ -0,0 +1,746 @@ +/* drm_bufs.h -- Generic buffer template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#ifndef __HAVE_PCI_DMA +#define __HAVE_PCI_DMA 0 +#endif + +#ifndef DRIVER_BUF_PRIV_T +#define DRIVER_BUF_PRIV_T u32 +#endif +#ifndef DRIVER_AGP_BUFFER_MAP +#define DRIVER_AGP_BUFFER_MAP NULL +#endif + +/* + * Compute order. Can be made faster. + */ +int DRM(order)( unsigned long size ) +{ + int order; + unsigned long tmp; + + for ( order = 0, tmp = size ; tmp >>= 1 ; ++order ); + + if ( size & ~(1 << order) ) + ++order; + + return order; +} + +int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, (drm_map_t *)arg, sizeof(*map) ) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = 0; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifndef __sparc__ + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef CONFIG_MTRR + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } +#endif + map->handle = DRM(ioremap)( map->offset, map->size ); + break; + + case _DRM_SHM: + map->handle = (void *)DRM(alloc_pages)( DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + DRM_DEBUG( "%ld %d %p\n", + map->size, DRM(order)( map->size ), map->handle ); + if ( !map->handle ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + case _DRM_AGP: + map->offset = map->offset + dev->agp->base; + break; +#endif + default: + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + down( &dev->struct_sem ); + if ( dev->maplist ) { + ++dev->map_count; + dev->maplist = DRM(realloc)( dev->maplist, + (dev->map_count-1) + * sizeof(*dev->maplist), + dev->map_count + * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } else { + dev->map_count = 1; + dev->maplist = DRM(alloc)( dev->map_count*sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } + dev->maplist[dev->map_count-1] = map; + up( &dev->struct_sem ); + + if ( copy_to_user( (drm_map_t *)arg, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &((drm_map_t *)arg)->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + +#if __REALLY_HAVE_AGP +int DRM(addbufs_agp)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %ld\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); /* ******** */ + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; + + buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); + buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), + DRM_MEM_BUFS ); + memset( buf->dev_private, 0, buf->dev_priv_size ); + +#if DRM_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + +#if 0 + /* FIXME: work this mess out... + */ + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __REALLY_HAVE_AGP */ + +#if __HAVE_PCI_DMA +int DRM(addbufs_pci)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + DRM(free)( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + dma->pagelist = DRM(realloc)( dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = DRM(alloc_pages)( page_order, DRM_MEM_DMA ); + if ( !page ) break; + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + dma->pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; +#if DRM_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + +#if 0 + /* FIXME: work this mess out... + */ + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __HAVE_PCI_DMA */ + +int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __REALLY_HAVE_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return DRM(addbufs_agp)( inode, filp, cmd, arg ); + else +#endif +#if __HAVE_PCI_DMA + return DRM(addbufs_pci)( inode, filp, cmd, arg ); +#else + return -EINVAL; +#endif +} + +int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + int i; + int count; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, + (drm_buf_info_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( (drm_buf_info_t *)arg, + &request, + sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = DRM(order)( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->pid != current->pid ) { + DRM_ERROR( "Process %d freeing buffer owned by %d\n", + current->pid, buf->pid ); + return -EINVAL; + } + DRM(free_buffer)( dev, buf ); + } + + return 0; +} + +int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, (drm_buf_map_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ( __HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP) ) { + DRIVER_DEV_PRIV_T *dev_priv = dev->dev_private; + drm_map_t *map; + + map = DRIVER_AGP_BUFFER_MAP; + if ( !map ) { + retcode = -EINVAL; + goto done; + } + + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); + up( ¤t->mm->mmap_sem ); + } else { + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); + up( ¤t->mm->mmap_sem ); + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( (drm_buf_map_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c new file mode 100644 index 00000000..ca039522 --- /dev/null +++ b/linux-core/drm_context.c @@ -0,0 +1,272 @@ +/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* ================================================================ + * Context bitmap support + */ + +void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + clear_bit( ctx_handle, dev->ctx_bitmap ); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +int DRM(ctxbitmap_next)( drm_device_t *dev ) +{ + int bit; + + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + return bit; + } + return -1; +} + +int DRM(ctxbitmap_init)( drm_device_t *dev ) +{ + int i; + int temp; + + dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = DRM(ctxbitmap_next)( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +void DRM(ctxbitmap_cleanup)( drm_device_t *dev ) +{ + DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); +} + + +/* ================================================================ + * The actual DRM context handling routines + */ + +int DRM(context_switch)( drm_device_t *dev, int old, int new ) +{ + char buf[64]; + + atomic_inc( &dev->total_ctx ); + + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + +#if DRM_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + if ( DRM(flags) & DRM_FLAG_NOCTX ) { + DRM(context_switch_complete)( dev, new ); + } else { + sprintf( buf, "C %d %d\n", old, new ); + DRM(write_string)( dev, buf ); + } + + return 0; +} + +int DRM(context_switch_complete)( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ +#if DRM_DMA_HISTOGRAM + atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)] ); + +#endif + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, (drm_ctx_res_t *)arg, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( (drm_ctx_res_t *)arg, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = DRM(ctxbitmap_next)( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = DRM(ctxbitmap_next)( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t*)arg, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( (drm_ctx_t*)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return DRM(context_switch)( dev, dev->last_context, ctx.handle ); +} + +int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + DRM(context_switch_complete)( dev, ctx.handle ); + + return 0; +} + +int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + DRM(ctxbitmap_free)( dev, ctx.handle ); + } + + return 0; +} diff --git a/linux/dma.c b/linux-core/drm_dma.c index 56dd2441..03f1814d 100644 --- a/linux/dma.c +++ b/linux-core/drm_dma.c @@ -1,5 +1,5 @@ -/* dma.c -- DMA IOCTL and function support -*- linux-c -*- - * Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com +/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com * * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinuxa.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -34,23 +34,35 @@ #include <linux/interrupt.h> /* For task queue support */ -void drm_dma_setup(drm_device_t *dev) +#ifndef __HAVE_DMA_WAITQUEUE +#define __HAVE_DMA_WAITQUEUE 0 +#endif + +#if __HAVE_DMA + +int DRM(dma_setup)( drm_device_t *dev ) { int i; - - dev->dma = drm_alloc(sizeof(*dev->dma), DRM_MEM_DRIVER); - memset(dev->dma, 0, sizeof(*dev->dma)); - for (i = 0; i <= DRM_MAX_ORDER; i++) + + dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; } -void drm_dma_takedown(drm_device_t *dev) +void DRM(dma_takedown)(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; int i, j; if (!dma) return; - + /* Clear dma buffers */ for (i = 0; i <= DRM_MAX_ORDER; i++) { if (dma->bufs[i].seg_count) { @@ -60,49 +72,51 @@ void drm_dma_takedown(drm_device_t *dev) dma->bufs[i].buf_count, dma->bufs[i].seg_count); for (j = 0; j < dma->bufs[i].seg_count; j++) { - drm_free_pages(dma->bufs[i].seglist[j], - dma->bufs[i].page_order, - DRM_MEM_DMA); + DRM(free_pages)(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); } - drm_free(dma->bufs[i].seglist, - dma->bufs[i].seg_count - * sizeof(*dma->bufs[0].seglist), - DRM_MEM_SEGS); + DRM(free)(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); } if(dma->bufs[i].buf_count) { for(j = 0; j < dma->bufs[i].buf_count; j++) { if(dma->bufs[i].buflist[j].dev_private) { - drm_free(dma->bufs[i].buflist[j].dev_private, - dma->bufs[i].buflist[j].dev_priv_size, - DRM_MEM_BUFS); + DRM(free)(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); } } - drm_free(dma->bufs[i].buflist, - dma->bufs[i].buf_count * - sizeof(*dma->bufs[0].buflist), - DRM_MEM_BUFS); - drm_freelist_destroy(&dma->bufs[i].freelist); + DRM(free)(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); +#if __HAVE_DMA_FREELIST + DRM(freelist_destroy)(&dma->bufs[i].freelist); +#endif } } - + if (dma->buflist) { - drm_free(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - DRM_MEM_BUFS); + DRM(free)(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); } if (dma->pagelist) { - drm_free(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - DRM_MEM_PAGES); + DRM(free)(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); } - drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); dev->dma = NULL; } #if DRM_DMA_HISTOGRAM /* This is slow, but is useful for debugging. */ -int drm_histogram_slot(unsigned long count) +int DRM(histogram_slot)(unsigned long count) { int value = DRM_DMA_HISTOGRAM_INITIAL; int slot; @@ -115,13 +129,13 @@ int drm_histogram_slot(unsigned long count) return DRM_DMA_HISTOGRAM_SLOTS - 1; } -void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) +void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf) { cycles_t queued_to_dispatched; cycles_t dispatched_to_completed; cycles_t completed_to_freed; int q2d, d2c, c2f, q2c, q2f; - + if (buf->time_queued) { queued_to_dispatched = (buf->time_dispatched - buf->time_queued); @@ -130,21 +144,21 @@ void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) completed_to_freed = (buf->time_freed - buf->time_completed); - q2d = drm_histogram_slot(queued_to_dispatched); - d2c = drm_histogram_slot(dispatched_to_completed); - c2f = drm_histogram_slot(completed_to_freed); + q2d = DRM(histogram_slot)(queued_to_dispatched); + d2c = DRM(histogram_slot)(dispatched_to_completed); + c2f = DRM(histogram_slot)(completed_to_freed); + + q2c = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed); + q2f = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed + + completed_to_freed); - q2c = drm_histogram_slot(queued_to_dispatched - + dispatched_to_completed); - q2f = drm_histogram_slot(queued_to_dispatched - + dispatched_to_completed - + completed_to_freed); - atomic_inc(&dev->histo.total); atomic_inc(&dev->histo.queued_to_dispatched[q2d]); atomic_inc(&dev->histo.dispatched_to_completed[d2c]); atomic_inc(&dev->histo.completed_to_freed[c2f]); - + atomic_inc(&dev->histo.queued_to_completed[q2c]); atomic_inc(&dev->histo.queued_to_freed[q2f]); @@ -156,12 +170,10 @@ void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) } #endif -void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) +void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) { - drm_device_dma_t *dma = dev->dma; - if (!buf) return; - + buf->waiting = 0; buf->pending = 0; buf->pid = 0; @@ -169,18 +181,23 @@ void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) #if DRM_DMA_HISTOGRAM buf->time_completed = get_cycles(); #endif - if (waitqueue_active(&buf->dma_wait)) { + + if ( __HAVE_DMA_WAITQUEUE && waitqueue_active(&buf->dma_wait)) { wake_up_interruptible(&buf->dma_wait); - } else { + } +#if __HAVE_DMA_FREELIST + else { + drm_device_dma_t *dma = dev->dma; /* If processes are waiting, the last one to wake will put the buffer on the free list. If no processes are waiting, we put the buffer on the freelist here. */ - drm_freelist_put(dev, &dma->bufs[buf->order].freelist, buf); + DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf); } +#endif } -void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) +void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) { drm_device_dma_t *dma = dev->dma; int i; @@ -190,7 +207,7 @@ void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) if (dma->buflist[i]->pid == pid) { switch (dma->buflist[i]->list) { case DRM_LIST_NONE: - drm_free_buffer(dev, dma->buflist[i]); + DRM(free_buffer)(dev, dma->buflist[i]); break; case DRM_LIST_WAIT: dma->buflist[i]->list = DRM_LIST_RECLAIM; @@ -203,6 +220,7 @@ void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) } } +#if 0 int drm_context_switch(drm_device_t *dev, int old, int new) { char buf[64]; @@ -218,7 +236,7 @@ int drm_context_switch(drm_device_t *dev, int old, int new) #if DRM_DMA_HISTOGRAM dev->ctx_start = get_cycles(); #endif - + DRM_DEBUG("Context switch from %d to %d\n", old, new); if (new >= dev->queue_count) { @@ -230,7 +248,7 @@ int drm_context_switch(drm_device_t *dev, int old, int new) clear_bit(0, &dev->context_flag); return 0; } - + q = dev->queuelist[new]; atomic_inc(&q->use_count); if (atomic_read(&q->use_count) == 1) { @@ -245,19 +263,19 @@ int drm_context_switch(drm_device_t *dev, int old, int new) sprintf(buf, "C %d %d\n", old, new); drm_write_string(dev, buf); } - + atomic_dec(&q->use_count); - + return 0; } int drm_context_switch_complete(drm_device_t *dev, int new) { drm_device_dma_t *dma = dev->dma; - + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ dev->last_switch = jiffies; - + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("Lock isn't held after context switch\n"); } @@ -268,22 +286,26 @@ int drm_context_switch_complete(drm_device_t *dev, int new) DRM_ERROR("Cannot free lock\n"); } } - + #if DRM_DMA_HISTOGRAM atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - dev->ctx_start)]); - + #endif clear_bit(0, &dev->context_flag); wake_up_interruptible(&dev->context_wait); - + return 0; } +#endif -void drm_clear_next_buffer(drm_device_t *dev) + + +#if 0 +void DRM(clear_next_buffer)(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; - + dma->next_buffer = NULL; if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { wake_up_interruptible(&dma->next_queue->flush_queue); @@ -291,8 +313,7 @@ void drm_clear_next_buffer(drm_device_t *dev) dma->next_queue = NULL; } - -int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)) +int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) { int i; int candidate = -1; @@ -360,7 +381,7 @@ int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)) } -int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) +int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) { int i; drm_queue_t *q; @@ -374,7 +395,7 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) if (d->flags & _DRM_DMA_WHILE_LOCKED) { int context = dev->lock.hw_lock->lock; - + if (!_DRM_LOCK_IS_HELD(context)) { DRM_ERROR("No lock held during \"while locked\"" " request\n"); @@ -413,7 +434,7 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) current->state = TASK_RUNNING; remove_wait_queue(&q->write_queue, &entry); } - + for (i = 0; i < d->send_count; i++) { idx = d->send_indices[i]; if (idx < 0 || idx >= dma->buf_count) { @@ -457,27 +478,27 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) buf->waiting = 1; if (atomic_read(&q->use_count) == 1 || atomic_read(&q->finalization)) { - drm_free_buffer(dev, buf); + DRM(free_buffer)(dev, buf); } else { - drm_waitlist_put(&q->waitlist, buf); + DRM(waitlist_put)(&q->waitlist, buf); atomic_inc(&q->total_queued); } } atomic_dec(&q->use_count); - + return 0; } -static int drm_dma_get_buffers_of_order(drm_device_t *dev, drm_dma_t *d, - int order) +static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, + int order) { int i; drm_buf_t *buf; drm_device_dma_t *dma = dev->dma; - + for (i = d->granted_count; i < d->request_count; i++) { - buf = drm_freelist_get(&dma->bufs[order].freelist, - d->flags & _DRM_DMA_WAIT); + buf = DRM(freelist_get)(&dma->bufs[order].freelist, + d->flags & _DRM_DMA_WAIT); if (!buf) break; if (buf->pending || buf->waiting) { DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", @@ -503,16 +524,16 @@ static int drm_dma_get_buffers_of_order(drm_device_t *dev, drm_dma_t *d, } -int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) +int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) { int order; int retcode = 0; int tmp_order; - - order = drm_order(dma->request_size); + + order = DRM(order)(dma->request_size); dma->granted_count = 0; - retcode = drm_dma_get_buffers_of_order(dev, dma, order); + retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); if (dma->granted_count < dma->request_count && (dma->flags & _DRM_DMA_SMALLER_OK)) { @@ -521,9 +542,9 @@ int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) && dma->granted_count < dma->request_count && tmp_order >= DRM_MIN_ORDER; --tmp_order) { - - retcode = drm_dma_get_buffers_of_order(dev, dma, - tmp_order); + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); } } @@ -534,10 +555,14 @@ int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) && dma->granted_count < dma->request_count && tmp_order <= DRM_MAX_ORDER; ++tmp_order) { - - retcode = drm_dma_get_buffers_of_order(dev, dma, - tmp_order); + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); } } return 0; } + +#endif + +#endif diff --git a/linux/drawable.c b/linux-core/drm_drawable.c index 1328054e..9dedfc76 100644 --- a/linux/drawable.c +++ b/linux-core/drm_drawable.c @@ -1,5 +1,5 @@ -/* drawable.c -- IOCTLs for drawables -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com +/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,29 +11,29 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_draw_t draw; @@ -44,8 +44,8 @@ int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { return 0; /* NOOP */ } diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c new file mode 100644 index 00000000..1c940179 --- /dev/null +++ b/linux-core/drm_drv.c @@ -0,0 +1,842 @@ +/* drm_drv.h -- Generic driver template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_MAJOR 2 + * #define DRIVER_MINOR 0 + * #define DRIVER_PATCHLEVEL 2 + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define DRM(x) mga_##x + */ + +#ifndef __MUST_HAVE_AGP +#define __MUST_HAVE_AGP 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_QUEUE +#define __HAVE_DMA_QUEUE 0 +#endif +#ifndef __HAVE_MULTIPLE_DMA_QUEUES +#define __HAVE_MULTIPLE_DMA_QUEUES 0 +#endif +#ifndef __HAVE_DMA_SCHEDULE +#define __HAVE_DMA_SCHEDULE 0 +#endif +#ifndef __HAVE_DMA_FLUSH +#define __HAVE_DMA_FLUSH 0 +#endif +#ifndef __HAVE_DMA_READY +#define __HAVE_DMA_READY 0 +#endif +#ifndef __HAVE_DMA_QUIESCENT +#define __HAVE_DMA_QUIESCENT 0 +#endif +#ifndef __HAVE_DRIVER_RELEASE +#define __HAVE_DRIVER_RELEASE 0 +#endif + +#ifndef DRIVER_PREINIT +#define DRIVER_PREINIT() +#endif +#ifndef DRIVER_POSTINIT +#define DRIVER_POSTINIT() +#endif +#ifndef DRIVER_PRETAKEDOWN +#define DRIVER_PRETAKEDOWN() +#endif + + +static drm_device_t DRM(device); + +static struct file_operations DRM(fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), + mmap: DRM(mmap), + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), +}; + +static struct miscdevice DRM(misc) = { + minor: MISC_DYNAMIC_MINOR, + name: DRIVER_NAME, + fops: &DRM(fops), +}; + +#ifdef MODULE +static char *drm_opts = NULL; +#endif + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_PARM( drm_opts, "s" ); + +#ifndef MODULE +/* DRM(options) is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ + +static int __init DRM(options)( char *str ) +{ + DRM(parse_options)( str ); + return 1; +} + +__setup( DRIVER_NAME "=", DRM(options) ); +#endif + +static int DRM(setup)( drm_device_t *dev ) +{ + int i; + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + +#if __HAVE_DMA + i = DRM(dma_setup)( dev ); + if ( i < 0 ) + return i; +#endif + + atomic_set( &dev->total_open, 0 ); + atomic_set( &dev->total_close, 0 ); + atomic_set( &dev->total_ioctl, 0 ); + atomic_set( &dev->total_irq, 0 ); + atomic_set( &dev->total_ctx, 0 ); + atomic_set( &dev->total_locks, 0 ); + atomic_set( &dev->total_unlocks, 0 ); + atomic_set( &dev->total_contends, 0 ); + atomic_set( &dev->total_sleeps, 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer( &dev->timer ); + init_waitqueue_head( &dev->context_wait ); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + return 0; +} + + +static int DRM(takedown)( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + DRIVER_PRETAKEDOWN(); +#if __HAVE_DMA_IRQ + if ( dev->irq ) DRM(irq_uninstall)( dev ); +#endif + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + if ( dev->devname ) { + DRM(free)( dev->devname, strlen( dev->devname ) + 1, + DRM_MEM_DRIVER ); + dev->devname = NULL; + } + + if ( dev->unique ) { + DRM(free)( dev->unique, strlen( dev->unique ) + 1, + DRM_MEM_DRIVER ); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + +#if __REALLY_HAVE_AGP + /* Clear AGP information */ + if ( dev->agp ) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) DRM(unbind_agp)( entry->memory ); + DRM(free_agp)( entry->memory, entry->pages ); + DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) DRM(agp_do_release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if ( dev->maplist ) { + for ( i = 0 ; i < dev->map_count ; i++ ) { + map = dev->maplist[i]; + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if __REALLY_HAVE_MTRR + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } +#endif + DRM(ioremapfree)( map->handle, map->size ); + break; + case _DRM_SHM: + DRM(free_pages)( (unsigned long)map->handle, + DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + } + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + } + DRM(free)( dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + dev->maplist = NULL; + dev->map_count = 0; + } + +#if HAVE_DMA_QUEUE || HAVE_MULTIPLE_DMA_QUEUES + if ( dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist ); + if ( dev->queuelist[i] ) { + DRM(free)( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + DRM(free)( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } +#endif + +#if __HAVE_DMA + DRM(dma_takedown)( dev ); +#endif + + dev->queue_count = 0; + if ( dev->lock.hw_lock ) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + +/* drm_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + */ +static int __init drm_init( void ) +{ + int retcode; + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + memset( (void *)dev, 0, sizeof(*dev) ); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init( &dev->struct_sem, 1 ); + +#ifdef MODULE + DRM(parse_options)( drm_opts ); +#endif + DRIVER_PREINIT(); + + retcode = misc_register( &DRM(misc) ); + if ( retcode ) { + DRM_ERROR( "Cannot register \"%s\"\n", DRIVER_NAME ); + return retcode; + } + dev->device = MKDEV( MISC_MAJOR, DRM(misc).minor ); + dev->name = DRIVER_NAME; + + DRM(mem_init)(); + DRM(proc_init)( dev ); + +#if __REALLY_HAVE_AGP + dev->agp = DRM(agp_init)(); +#if __MUST_HAVE_AGP + if ( dev->agp == NULL ) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + DRM(proc_cleanup)(); + misc_deregister( &DRM(misc) ); + DRM(takedown)( dev ); + return -ENOMEM; + } +#endif +#if __REALLY_HAVE_MTRR + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); +#endif +#endif + +#if __HAVE_CTX_BITMAP + retcode = DRM(ctxbitmap_init)( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + DRM(proc_cleanup)(); + misc_deregister( &DRM(misc) ); + DRM(takedown)( dev ); + return retcode; + } +#endif + + DRIVER_POSTINIT(); + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + DRM(misc).minor ); + + return 0; +} + +/* drm_cleanup is called via cleanup_module at module unload time. + */ +static void __exit drm_cleanup( void ) +{ + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + DRM(proc_cleanup)(); + if ( misc_deregister( &DRM(misc) ) ) { + DRM_ERROR( "Cannot unload module\n" ); + } else { + DRM_INFO( "Module unloaded\n" ); + } +#if __HAVE_CTX_BITMAP + DRM(ctxbitmap_cleanup)( dev ); +#endif + +#if __REALLY_HAVE_MTRR + if ( dev->agp && dev->agp->agp_mtrr ) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } +#endif + + DRM(takedown)( dev ); + +#if __REALLY_HAVE_AGP + if ( dev->agp ) { + DRM(agp_uninit)(); + DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } +#endif +} + +module_init( drm_init ); +module_exit( drm_cleanup ); + + +int DRM(version)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_version_t version; + int len; + + if ( copy_from_user( &version, + (drm_version_t *)arg, + sizeof(version) ) ) + return -EFAULT; + +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + + version.version_major = DRIVER_MAJOR; + version.version_minor = DRIVER_MINOR; + version.version_patchlevel = DRIVER_PATCHLEVEL; + + DRM_COPY( version.name, DRIVER_NAME ); + DRM_COPY( version.date, DRIVER_DATE ); + DRM_COPY( version.desc, DRIVER_DESC ); + + if ( copy_to_user( (drm_version_t *)arg, + &version, + sizeof(version) ) ) + return -EFAULT; + return 0; +} + +int DRM(open)( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = &DRM(device); + int retcode = 0; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + retcode = DRM(open_helper)( inode, filp, dev ); + if ( !retcode ) { +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->total_open ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return DRM(setup)( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} + +int DRM(release)( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count ); + + if ( dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.pid == current->pid ) { + DRM_ERROR( "Process %d dead, freeing lock for context %d\n", + current->pid, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); +#if __HAVE_DRIVER_RELEASE + DRIVER_RELEASE(); +#endif + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } +#if __HAVE_DRIVER_RELEASE + else if ( dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.pid = priv->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->total_locks ); + break; /* Got lock */ + } + /* Contention */ + atomic_inc( &dev->total_sleeps ); + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + DRIVER_RELEASE(); + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } +#else + DRM(reclaim_buffers)( dev, priv->pid ); +#endif + + DRM(fasync)( -1, filp, 0 ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->total_close ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return DRM(takedown)( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + return retcode; +} + +/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm. + */ +int DRM(ioctl)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + int nr = DRM_IOCTL_NR(cmd); + int retcode = 0; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->total_ioctl ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%x, auth=%d\n", + current->pid, cmd, nr, dev->device, priv->authenticated ); + + if ( nr >= DRIVER_IOCTL_COUNT ) { + retcode = -EINVAL; + } else { + ioctl = &DRM(ioctls)[nr]; + func = ioctl->func; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + } + + atomic_dec( &dev->ioctl_count ); + return retcode; +} + +int DRM(lock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; +#if __HAVE_MULTIPLE_DMA_QUEUES + drm_queue_t *q; +#endif +#if DRM_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + +#if __HAVE_DMA_QUEUE + if ( lock.context < 0 ) + return -EINVAL; +#elif __HAVE_MULTIPLE_DMA_QUEUES + if ( lock.context < 0 || lock.context >= dev->queue_count ) + return -EINVAL; + q = dev->queuelist[lock.context]; +#endif + +#if __HAVE_DMA_FLUSH + ret = drm_flush_block_and_flush( dev, lock.context, lock.flags ); +#endif + if ( !ret ) { + /* FIXME: do gamma stuff??? + */ + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->total_locks ); +#if __HAVE_MULTIPLE_DMA_QUEUES + atomic_inc( &q->total_locks ); +#endif + break; /* Got lock */ + } + + /* Contention */ + atomic_inc( &dev->total_sleeps ); + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + } + +#if __HAVE_DMA_FLUSH + DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */ +#endif + + if ( !ret ) { + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( DRM(notifier), + &dev->sigdata, &dev->sigmask ); + +#if __HAVE_DMA_READY + if ( lock.flags & _DRM_LOCK_READY ) { + DRIVER_DMA_READY(); + } +#endif +#if __HAVE_DMA_QUIESCENT + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + DRIVER_DMA_QUIESCENT(); + } +#endif + } + + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]); +#endif + return ret; +} + + +int DRM(unlock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->total_unlocks ); + if ( _DRM_LOCK_IS_CONT( dev->lock.hw_lock->lock ) ) + atomic_inc( &dev->total_contends ); + + DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); +#if __HAVE_DMA_SCHEDULE + DRM(dma_schedule)( dev, 1 ); +#endif + + /* FIXME: Do we ever really need to check this??? + */ + if ( 1 /* !dev->context_flag */ ) { + if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} diff --git a/linux/fops.c b/linux-core/drm_fops.c index 8e373e5a..4963af82 100644 --- a/linux/fops.c +++ b/linux-core/drm_fops.c @@ -1,5 +1,5 @@ -/* fops.c -- File operations for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_fops.h -- File operations for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,23 +11,23 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Daryll Strauss <daryll@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Daryll Strauss <daryll@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -36,17 +36,17 @@ /* drm_open is called whenever a process opens /dev/drm. */ -int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) +int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) { kdev_t minor = MINOR(inode->i_rdev); drm_file_t *priv; if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ - if (!drm_cpu_valid()) return -EINVAL; + if (!DRM(cpu_valid)()) return -EINVAL; DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); - priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); + priv = DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); memset(priv, 0, sizeof(*priv)); filp->private_data = priv; priv->uid = current->euid; @@ -69,11 +69,11 @@ int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) dev->file_last = priv; } up(&dev->struct_sem); - + return 0; } -int drm_flush(struct file *filp) +int DRM(flush)(struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -83,6 +83,7 @@ int drm_flush(struct file *filp) return 0; } +#if 0 /* drm_release is called whenever a process closes /dev/drm*. Linux calls this only if any mappings have been closed. */ @@ -103,7 +104,7 @@ int drm_release(struct inode *inode, struct file *filp) drm_lock_free(dev, &dev->lock.hw_lock->lock, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - + /* FIXME: may require heavy-handed reset of hardware at this point, possibly processed via a callback to the X @@ -119,18 +120,19 @@ int drm_release(struct inode *inode, struct file *filp) if (priv->next) priv->next->prev = priv->prev; else dev->file_last = priv->prev; up(&dev->struct_sem); - + drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - + return 0; } +#endif -int drm_fasync(int fd, struct file *filp, int on) +int DRM(fasync)(int fd, struct file *filp, int on) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; int retcode; - + DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device); retcode = fasync_helper(fd, filp, on, &dev->buf_async); if (retcode < 0) return retcode; @@ -142,7 +144,7 @@ int drm_fasync(int fd, struct file *filp, int on) the circular buffer), is based on Alessandro Rubini's LINUX DEVICE DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ -ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) +ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -152,7 +154,7 @@ ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) int cur; DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); - + while (dev->buf_rp == dev->buf_wp) { DRM_DEBUG(" sleeping\n"); if (filp->f_flags & O_NONBLOCK) { @@ -182,12 +184,12 @@ ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; send -= cur; } - + wake_up_interruptible(&dev->buf_writers); return DRM_MIN(avail, count);; } -int drm_write_string(drm_device_t *dev, const char *s) +int DRM(write_string)(drm_device_t *dev, const char *s) { int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; int send = strlen(s); @@ -195,7 +197,7 @@ int drm_write_string(drm_device_t *dev, const char *s) DRM_DEBUG("%d left, %d to send (%p, %p)\n", left, send, dev->buf_rp, dev->buf_wp); - + if (left == 1 || dev->buf_wp != dev->buf_rp) { DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", left, @@ -239,7 +241,7 @@ int drm_write_string(drm_device_t *dev, const char *s) return 0; } -unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; diff --git a/linux/init.c b/linux-core/drm_init.c index 8de3dac9..1668efa2 100644 --- a/linux/init.c +++ b/linux-core/drm_init.c @@ -1,5 +1,5 @@ -/* init.c -- Setup/Cleanup for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,48 +11,48 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_flags = 0; +int DRM(flags) = 0; /* drm_parse_option parses a single option. See description for - drm_parse_options for details. */ - -static void drm_parse_option(char *s) + * drm_parse_options for details. + */ +static void DRM(parse_option)(char *s) { char *c, *r; - + DRM_DEBUG("\"%s\"\n", s); if (!s || !*s) return; for (c = s; *c && *c != ':'; c++); /* find : or \0 */ if (*c) r = c + 1; else r = NULL; /* remember remainder */ *c = '\0'; /* terminate */ if (!strcmp(s, "noctx")) { - drm_flags |= DRM_FLAG_NOCTX; + DRM(flags) |= DRM_FLAG_NOCTX; DRM_INFO("Server-mediated context switching OFF\n"); return; } if (!strcmp(s, "debug")) { - drm_flags |= DRM_FLAG_DEBUG; + DRM(flags) |= DRM_FLAG_DEBUG; DRM_INFO("Debug messages ON\n"); return; } @@ -67,7 +67,7 @@ static void drm_parse_option(char *s) * drm ::= 'drm=' option_list * option_list ::= option [ ';' option_list ] * option ::= 'device:' major - * | 'debug' + * | 'debug' * | 'noctx' * major ::= INTEGER * @@ -82,10 +82,10 @@ static void drm_parse_option(char *s) * */ -void drm_parse_options(char *s) +void DRM(parse_options)(char *s) { char *h, *t, *n; - + DRM_DEBUG("\"%s\"\n", s ?: ""); if (!s || !*s) return; @@ -93,21 +93,20 @@ void drm_parse_options(char *s) for (; *t && *t != ';'; t++); /* find ; or \0 */ if (*t) n = t + 1; else n = NULL; /* remember next */ *t = '\0'; /* terminate */ - drm_parse_option(h); /* parse */ + DRM(parse_option)(h); /* parse */ } } /* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 - * otherwise. */ - -int drm_cpu_valid(void) + * otherwise. + */ +int DRM(cpu_valid)(void) { #if defined(__i386__) if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ #endif #if defined(__sparc__) && !defined(__sparc_v9__) - if (1) - return 0; /* No cmpxchg before v9 sparc. */ + return 0; /* No cmpxchg before v9 sparc. */ #endif return 1; } diff --git a/linux/ioctl.c b/linux-core/drm_ioctl.c index 2f4286b1..f772ef46 100644 --- a/linux/ioctl.c +++ b/linux-core/drm_ioctl.c @@ -1,5 +1,5 @@ -/* ioctl.c -- IOCTL processing for DRM -*- linux-c -*- - * Created: Fri Jan 8 09:01:26 1999 by faith@precisioninsight.com +/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,29 +11,29 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_irq_busid(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_irq_busid_t p; struct pci_dev *dev; @@ -50,8 +50,8 @@ int drm_irq_busid(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_getunique(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -69,8 +69,8 @@ int drm_getunique(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_setunique(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -84,15 +84,15 @@ int drm_setunique(struct inode *inode, struct file *filp, unsigned int cmd, if (!u.unique_len) return -EINVAL; - + dev->unique_len = u.unique_len; - dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER); + dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER); if (copy_from_user(dev->unique, u.unique, dev->unique_len)) return -EFAULT; dev->unique[dev->unique_len] = '\0'; - dev->devname = drm_alloc(strlen(dev->name) + strlen(dev->unique) + 2, - DRM_MEM_DRIVER); + dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); sprintf(dev->devname, "%s@%s", dev->name, dev->unique); return 0; diff --git a/linux/lock.c b/linux-core/drm_lock.c index 90d2f130..1b23943a 100644 --- a/linux/lock.c +++ b/linux-core/drm_lock.c @@ -1,5 +1,5 @@ /* lock.c -- IOCTLs for locking -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,42 +11,46 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_block(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +#ifndef HAVE_DMA_QUEUE +#define HAVE_DMA_QUEUE 0 +#endif + +int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { DRM_DEBUG("\n"); return 0; } -int drm_unblock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { DRM_DEBUG("\n"); return 0; } -int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; @@ -74,8 +78,8 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) /* This takes a lock forcibly and hands it to context. Should ONLY be used inside *_unlock to give lock to kernel before calling *_dma_schedule. */ -int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; @@ -88,8 +92,8 @@ int drm_lock_transfer(drm_device_t *dev, return 1; } -int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; pid_t pid = dev->lock.pid; @@ -111,14 +115,14 @@ int drm_lock_free(drm_device_t *dev, return 0; } -static int drm_flush_queue(drm_device_t *dev, int context) +static int DRM(flush_queue)(drm_device_t *dev, int context) { DECLARE_WAITQUEUE(entry, current); int ret = 0; drm_queue_t *q = dev->queuelist[context]; - + DRM_DEBUG("\n"); - + atomic_inc(&q->use_count); if (atomic_read(&q->use_count) > 1) { atomic_inc(&q->block_write); @@ -139,18 +143,18 @@ static int drm_flush_queue(drm_device_t *dev, int context) } atomic_dec(&q->use_count); atomic_inc(&q->total_flushed); - + /* NOTE: block_write is still incremented! Use drm_flush_unlock_queue to decrement. */ return ret; } -static int drm_flush_unblock_queue(drm_device_t *dev, int context) +static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) { drm_queue_t *q = dev->queuelist[context]; - + DRM_DEBUG("\n"); - + atomic_inc(&q->use_count); if (atomic_read(&q->use_count) > 1) { if (atomic_read(&q->block_write)) { @@ -162,48 +166,48 @@ static int drm_flush_unblock_queue(drm_device_t *dev, int context) return 0; } -int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags) +int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags) { int ret = 0; int i; - + DRM_DEBUG("\n"); - + if (flags & _DRM_LOCK_FLUSH) { - ret = drm_flush_queue(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = drm_flush_queue(dev, context); + ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_queue)(dev, context); } if (flags & _DRM_LOCK_FLUSH_ALL) { for (i = 0; !ret && i < dev->queue_count; i++) { - ret = drm_flush_queue(dev, i); + ret = DRM(flush_queue)(dev, i); } } return ret; } -int drm_flush_unblock(drm_device_t *dev, int context, drm_lock_flags_t flags) +int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) { int ret = 0; int i; - + DRM_DEBUG("\n"); - + if (flags & _DRM_LOCK_FLUSH) { - ret = drm_flush_unblock_queue(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = drm_flush_unblock_queue(dev, context); + ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_unblock_queue)(dev, context); } if (flags & _DRM_LOCK_FLUSH_ALL) { for (i = 0; !ret && i < dev->queue_count; i++) { - ret = drm_flush_unblock_queue(dev, i); + ret = DRM(flush_unblock_queue)(dev, i); } } - + return ret; } -int drm_finish(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -214,24 +218,24 @@ int drm_finish(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) return -EFAULT; - ret = drm_flush_block_and_flush(dev, lock.context, lock.flags); - drm_flush_unblock(dev, lock.context, lock.flags); + ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); + DRM(flush_unblock)(dev, lock.context, lock.flags); return ret; } /* If we get here, it means that the process has called DRM_IOCTL_LOCK without calling DRM_IOCTL_UNLOCK. - + If the lock is not held, then let the signal proceed as usual. - + If the lock is held, then set the contended flag and keep the signal blocked. - + Return 1 if the signal should be delivered normally. Return 0 if the signal should be blocked. */ -int drm_notifier(void *priv) +int DRM(notifier)(void *priv) { drm_sigdata_t *s = (drm_sigdata_t *)priv; unsigned int old, new, prev; @@ -240,7 +244,7 @@ int drm_notifier(void *priv) /* Allow signal delivery if lock isn't held */ if (!_DRM_LOCK_IS_HELD(s->lock->lock) || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; - + /* Otherwise, set flag to force call to drmUnlock */ do { diff --git a/linux/memory.c b/linux-core/drm_memory.h index 261fb34a..e8fed66f 100644 --- a/linux/memory.c +++ b/linux-core/drm_memory.h @@ -1,5 +1,5 @@ -/* memory.c -- Memory management wrappers for DRM -*- linux-c -*- - * Created: Thu Feb 4 14:00:34 1999 by faith@precisioninsight.com +/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*- + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -69,11 +69,11 @@ static drm_mem_stats_t drm_mem_stats[] = { { NULL, 0, } /* Last entry must be null */ }; -void drm_mem_init(void) +void DRM(mem_init)(void) { drm_mem_stats_t *mem; struct sysinfo si; - + for (mem = drm_mem_stats; mem->name; ++mem) { mem->succeed_count = 0; mem->free_count = 0; @@ -81,7 +81,7 @@ void drm_mem_init(void) mem->bytes_allocated = 0; mem->bytes_freed = 0; } - + si_meminfo(&si); #if LINUX_VERSION_CODE < 0x020317 /* Changed to page count in 2.3.23 */ @@ -94,8 +94,8 @@ void drm_mem_init(void) /* drm_mem_info is called whenever a process reads /dev/drm/mem. */ -static int _drm_mem_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int _drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) { drm_mem_stats_t *pt; @@ -124,30 +124,30 @@ static int _drm_mem_info(char *buf, char **start, off_t offset, int len, (long)pt->bytes_allocated - (long)pt->bytes_freed); } - + return len; } -int drm_mem_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data) { int ret; - + spin_lock(&drm_mem_lock); ret = _drm_mem_info(buf, start, offset, len, eof, data); spin_unlock(&drm_mem_lock); return ret; } -void *drm_alloc(size_t size, int area) +void *DRM(alloc)(size_t size, int area) { void *pt; - + if (!size) { DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); return NULL; } - + if (!(pt = kmalloc(size, GFP_KERNEL))) { spin_lock(&drm_mem_lock); ++drm_mem_stats[area].fail_count; @@ -161,43 +161,43 @@ void *drm_alloc(size_t size, int area) return pt; } -void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) { void *pt; - - if (!(pt = drm_alloc(size, area))) return NULL; + + if (!(pt = DRM(alloc)(size, area))) return NULL; if (oldpt && oldsize) { memcpy(pt, oldpt, oldsize); - drm_free(oldpt, oldsize, area); + DRM(free)(oldpt, oldsize, area); } return pt; } -char *drm_strdup(const char *s, int area) +char *DRM(strdup)(const char *s, int area) { char *pt; int length = s ? strlen(s) : 0; - - if (!(pt = drm_alloc(length+1, area))) return NULL; + + if (!(pt = DRM(alloc)(length+1, area))) return NULL; strcpy(pt, s); return pt; } -void drm_strfree(const char *s, int area) +void DRM(strfree)(const char *s, int area) { unsigned int size; - + if (!s) return; - + size = 1 + (s ? strlen(s) : 0); - drm_free((void *)s, size, area); + DRM(free)((void *)s, size, area); } -void drm_free(void *pt, size_t size, int area) +void DRM(free)(void *pt, size_t size, int area) { int alloc_count; int free_count; - + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); else kfree(pt); spin_lock(&drm_mem_lock); @@ -211,13 +211,13 @@ void drm_free(void *pt, size_t size, int area) } } -unsigned long drm_alloc_pages(int order, int area) +unsigned long DRM(alloc_pages)(int order, int area) { unsigned long address; unsigned long bytes = PAGE_SIZE << order; unsigned long addr; unsigned int sz; - + spin_lock(&drm_mem_lock); if ((drm_ram_used >> PAGE_SHIFT) > (DRM_RAM_PERCENT * drm_ram_available) / 100) { @@ -225,7 +225,7 @@ unsigned long drm_alloc_pages(int order, int area) return 0; } spin_unlock(&drm_mem_lock); - + address = __get_free_pages(GFP_KERNEL, order); if (!address) { spin_lock(&drm_mem_lock); @@ -238,11 +238,11 @@ unsigned long drm_alloc_pages(int order, int area) drm_mem_stats[area].bytes_allocated += bytes; drm_ram_used += bytes; spin_unlock(&drm_mem_lock); - - + + /* Zero outside the lock */ memset((void *)address, 0, bytes); - + /* Reserve */ for (addr = address, sz = bytes; sz > 0; @@ -254,18 +254,18 @@ unsigned long drm_alloc_pages(int order, int area) mem_map_reserve(MAP_NR(addr)); #endif } - + return address; } -void drm_free_pages(unsigned long address, int order, int area) +void DRM(free_pages)(unsigned long address, int order, int area) { unsigned long bytes = PAGE_SIZE << order; int alloc_count; int free_count; unsigned long addr; unsigned int sz; - + if (!address) { DRM_MEM_ERROR(area, "Attempt to free address 0\n"); } else { @@ -282,7 +282,7 @@ void drm_free_pages(unsigned long address, int order, int area) } free_pages(address, order); } - + spin_lock(&drm_mem_lock); free_count = ++drm_mem_stats[area].free_count; alloc_count = drm_mem_stats[area].succeed_count; @@ -296,16 +296,16 @@ void drm_free_pages(unsigned long address, int order, int area) } } -void *drm_ioremap(unsigned long offset, unsigned long size) +void *DRM(ioremap)(unsigned long offset, unsigned long size) { void *pt; - + if (!size) { DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Mapping 0 bytes at 0x%08lx\n", offset); return NULL; } - + if (!(pt = ioremap(offset, size))) { spin_lock(&drm_mem_lock); ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; @@ -319,17 +319,17 @@ void *drm_ioremap(unsigned long offset, unsigned long size) return pt; } -void drm_ioremapfree(void *pt, unsigned long size) +void DRM(ioremapfree)(void *pt, unsigned long size) { int alloc_count; int free_count; - + if (!pt) DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Attempt to free NULL pointer\n"); else iounmap(pt); - + spin_lock(&drm_mem_lock); drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; @@ -343,7 +343,8 @@ void drm_ioremapfree(void *pt, unsigned long size) } #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -agp_memory *drm_alloc_agp(int pages, u32 type) + +agp_memory *DRM(alloc_agp)(int pages, u32 type) { agp_memory *handle; @@ -351,8 +352,8 @@ agp_memory *drm_alloc_agp(int pages, u32 type) DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); return NULL; } - - if ((handle = drm_agp_allocate_memory(pages, type))) { + + if ((handle = DRM(agp_allocate_memory)(pages, type))) { spin_lock(&drm_mem_lock); ++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated @@ -366,7 +367,7 @@ agp_memory *drm_alloc_agp(int pages, u32 type) return NULL; } -int drm_free_agp(agp_memory *handle, int pages) +int DRM(free_agp)(agp_memory *handle, int pages) { int alloc_count; int free_count; @@ -377,8 +378,8 @@ int drm_free_agp(agp_memory *handle, int pages) "Attempt to free NULL AGP handle\n"); return retval;; } - - if (drm_agp_free_memory(handle)) { + + if (DRM(agp_free_memory)(handle)) { spin_lock(&drm_mem_lock); free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count; alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; @@ -395,7 +396,7 @@ int drm_free_agp(agp_memory *handle, int pages) return retval; } -int drm_bind_agp(agp_memory *handle, unsigned int start) +int DRM(bind_agp)(agp_memory *handle, unsigned int start) { int retcode = -EINVAL; @@ -405,7 +406,7 @@ int drm_bind_agp(agp_memory *handle, unsigned int start) return retcode; } - if (!(retcode = drm_agp_bind_memory(handle, start))) { + if (!(retcode = DRM(agp_bind_memory)(handle, start))) { spin_lock(&drm_mem_lock); ++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated @@ -419,19 +420,19 @@ int drm_bind_agp(agp_memory *handle, unsigned int start) return retcode; } -int drm_unbind_agp(agp_memory *handle) +int DRM(unbind_agp)(agp_memory *handle) { int alloc_count; int free_count; int retcode = -EINVAL; - + if (!handle) { DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, "Attempt to unbind NULL AGP handle\n"); return retcode; } - if ((retcode = drm_agp_unbind_memory(handle))) return retcode; + if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; spin_lock(&drm_mem_lock); free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count; alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; @@ -445,4 +446,5 @@ int drm_unbind_agp(agp_memory *handle) } return retcode; } -#endif + +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/proc.c b/linux-core/drm_proc.c index ca062a09..468115fa 100644 --- a/linux/proc.c +++ b/linux-core/drm_proc.c @@ -1,5 +1,5 @@ -/* proc.c -- /proc support for DRM -*- linux-c -*- - * Created: Mon Jan 11 09:48:47 1999 by faith@precisioninsight.com +/* drm_proc.h -- /proc support for DRM -*- linux-c -*- + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,21 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -59,7 +60,7 @@ struct drm_proc_list { int (*f)(char *, char **, off_t, int, int *, void *); } drm_proc_list[] = { { "name", drm_name_info }, - { "mem", drm_mem_info }, + { "mem", DRM(mem_info) }, { "vm", drm_vm_info }, { "clients", drm_clients_info }, { "queues", drm_queues_info }, @@ -73,7 +74,7 @@ struct drm_proc_list { }; #define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) -int drm_proc_init(drm_device_t *dev) +int DRM(proc_init)(drm_device_t *dev) { struct proc_dir_entry *ent; int i, j; @@ -122,10 +123,10 @@ int drm_proc_init(drm_device_t *dev) } -int drm_proc_cleanup(void) +int DRM(proc_cleanup)(void) { int i; - + if (drm_root) { if (drm_dev_root) { for (i = 0; i < DRM_PROC_ENTRIES; i++) { @@ -245,7 +246,7 @@ static int _drm_queues_info(char *buf, char **start, off_t offset, int len, atomic_read(&q->total_locks)); atomic_dec(&q->use_count); } - + return len; } @@ -389,7 +390,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, vma->vm_flags & VM_LOCKED ? 'l' : '-', vma->vm_flags & VM_IO ? 'i' : '-', VM_OFFSET(vma)); - + #if defined(__i386__) pgprot = pgprot_val(vma->vm_page_prot); DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", @@ -402,7 +403,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, pgprot & _PAGE_DIRTY ? 'd' : '-', pgprot & _PAGE_PSE ? 'm' : 'k', pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); -#endif +#endif DRM_PROC_PRINT("\n"); #if 0 for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) { @@ -427,7 +428,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, } #endif } - + return len; } @@ -467,7 +468,7 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, DRM_PROC_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl)); DRM_PROC_PRINT("irq %10u\n", atomic_read(&dev->total_irq)); DRM_PROC_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx)); - + DRM_PROC_PRINT("\nlock statistics:\n"); DRM_PROC_PRINT("locks %10u\n", atomic_read(&dev->total_locks)); DRM_PROC_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks)); @@ -498,7 +499,7 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, atomic_read(&dma->total_hit)); DRM_PROC_PRINT("lost %10u\n", atomic_read(&dma->total_lost)); - + buffer = dma->next_buffer; if (buffer) { DRM_PROC_PRINT("next_buffer %7d\n", buffer->idx); @@ -512,7 +513,7 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, DRM_PROC_PRINT("this_buffer none\n"); } } - + DRM_PROC_PRINT("\nvalues:\n"); if (dev->lock.hw_lock) { @@ -529,8 +530,8 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, DRM_PROC_PRINT("last_context %10d\n", dev->last_context); DRM_PROC_PRINT("last_switch %10lu\n", dev->last_switch); DRM_PROC_PRINT("last_checked %10d\n", dev->last_checked); - - + + DRM_PROC_PRINT("\n q2d d2c c2f" " q2c q2f dma sch" " ctx lacq lhld\n\n"); @@ -540,14 +541,14 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ", i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? prev_value : slot_value , - + atomic_read(&dev->histo .queued_to_dispatched[i]), atomic_read(&dev->histo .dispatched_to_completed[i]), atomic_read(&dev->histo .completed_to_freed[i]), - + atomic_read(&dev->histo .queued_to_completed[i]), atomic_read(&dev->histo diff --git a/linux/vm.c b/linux-core/drm_vm.c index 964921b4..3b8b6c75 100644 --- a/linux/vm.c +++ b/linux-core/drm_vm.c @@ -1,5 +1,5 @@ -/* vm.c -- Memory mapping for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_vm.h -- Memory mapping for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,74 +11,74 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" struct vm_operations_struct drm_vm_ops = { - nopage: drm_vm_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_shm_ops = { - nopage: drm_vm_shm_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_shm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_shm_lock_ops = { - nopage: drm_vm_shm_nopage_lock, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_shm_nopage_lock), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_dma_ops = { - nopage: drm_vm_dma_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_dma_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { return NOPAGE_SIGBUS; /* Disallow mremap */ } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { #if LINUX_VERSION_CODE >= 0x020300 @@ -105,14 +105,14 @@ struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { drm_file_t *priv = vma->vm_file->private_data; @@ -138,14 +138,14 @@ struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { drm_file_t *priv = vma->vm_file->private_data; @@ -172,7 +172,7 @@ struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, #endif } -void drm_vm_open(struct vm_area_struct *vma) +void DRM(vm_open)(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; @@ -190,7 +190,7 @@ void drm_vm_open(struct vm_area_struct *vma) #if DRM_DEBUG_CODE - vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); + vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS); if (vma_entry) { down(&dev->struct_sem); vma_entry->vma = vma; @@ -202,7 +202,7 @@ void drm_vm_open(struct vm_area_struct *vma) #endif } -void drm_vm_close(struct vm_area_struct *vma) +void DRM(vm_close)(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; @@ -226,7 +226,7 @@ void drm_vm_close(struct vm_area_struct *vma) } else { dev->vmalist = pt->next; } - drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); break; } } @@ -234,13 +234,13 @@ void drm_vm_close(struct vm_area_struct *vma) #endif } -int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) +int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma) { drm_file_t *priv = filp->private_data; drm_device_t *dev; drm_device_dma_t *dma; unsigned long length = vma->vm_end - vma->vm_start; - + lock_kernel(); dev = priv->dev; dma = dev->dma; @@ -256,28 +256,28 @@ int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ - + #if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */ /* In Linux 2.2.3 and above, this is handled in do_mmap() in mm/mmap.c. */ ++filp->f_count; #endif vma->vm_file = filp; /* Needed for drm_vm_open() */ - drm_vm_open(vma); + DRM(vm_open)(vma); return 0; } -int drm_mmap(struct file *filp, struct vm_area_struct *vma) +int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_map_t *map = NULL; int i; - + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", vma->vm_start, vma->vm_end, VM_OFFSET(vma)); - if (!VM_OFFSET(vma)) return drm_mmap_dma(filp, vma); + if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma); /* A sequential search of a linked list is fine here because: 1) there will only be @@ -290,14 +290,14 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) map = dev->maplist[i]; if (map->offset == VM_OFFSET(vma)) break; } - + if (i >= dev->map_count) return -EINVAL; if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) return -EPERM; /* Check for valid size. */ if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; - + if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { vma->vm_flags &= VM_MAYWRITE; #if defined(__i386__) @@ -365,6 +365,6 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) ++filp->f_count; #endif vma->vm_file = filp; /* Needed for drm_vm_open() */ - drm_vm_open(vma); + DRM(vm_open)(vma); return 0; } diff --git a/linux-core/mga_drv.c b/linux-core/mga_drv.c index d1c39e99..d46d6d50 100644 --- a/linux-core/mga_drv.c +++ b/linux-core/mga_drv.c @@ -1,4 +1,4 @@ -/* mga_drv.c -- Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,648 +19,130 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "mga.h" #include "drmP.h" #include "mga_drv.h" -#define MGA_NAME "mga" -#define MGA_DESC "Matrox G200/G400" -#define MGA_DATE "20000928" -#define MGA_MAJOR 2 -#define MGA_MINOR 1 -#define MGA_PATCHLEVEL 1 - -static drm_device_t mga_device; -drm_ctx_t mga_res_ctx; - -static struct file_operations mga_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: mga_open, - flush: drm_flush, - release: mga_release, - ioctl: mga_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice mga_misc = { - minor: MISC_DYNAMIC_MINOR, - name: MGA_NAME, - fops: &mga_fops, -}; - -static drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20010110" - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_blit, 1, 0 }, -}; - -#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) - -#ifdef MODULE -static char *mga = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Matrox G200/G400"); -MODULE_PARM(mga, "s"); - -#ifndef MODULE -/* mga_options is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. +/* Now that we do this, we can move the DRM(ioctls) array into a + * template file and have a DRIVER_IOCTLS block at the end. */ - -static int __init mga_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("mga=", mga_options); +static drm_ioctl_desc_t mga_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { mga_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { mga_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { mga_irq_busid, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { mga_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { mga_block, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { mga_unblock, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { mga_authmagic, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { mga_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { mga_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { mga_rmdraw, 1, 1 }, +#if 0 + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, #endif - -static int mga_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int mga_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->dev_private) mga_dma_cleanup(dev); - if (dev->irq) mga_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { mga_finish, 1, 0 }, + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { mga_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { mga_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { mga_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { mga_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { mga_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { mga_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { mga_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { mga_agp_unbind, 1, 1 }, #endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* mga_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init mga_init(void) -{ - int retcode; - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(mga); -#endif - if ((retcode = misc_register(&mga_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", MGA_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, mga_misc.minor); - dev->name = MGA_NAME; - - drm_mem_init(); - drm_proc_init(dev); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The mga drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the mga module\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return -ENOMEM; - } -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024 * 1024, - MTRR_TYPE_WRCOMB, - 1); + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, +#if 0 + [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, #endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - MGA_NAME, - MGA_MAJOR, - MGA_MINOR, - MGA_PATCHLEVEL, - MGA_DATE, - mga_misc.minor); - - return 0; -} - -/* mga_cleanup is called via cleanup_module at module unload time. */ - -static void __exit mga_cleanup(void) -{ - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&mga_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); -#ifdef CONFIG_MTRR - if(dev->agp && dev->agp->agp_mtrr) { - int retval; - retval = mtrr_del(dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024*1024); - DRM_DEBUG("mtrr_del = %d\n", retval); - } -#endif - - mga_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(mga_init); -module_exit(mga_cleanup); - - -int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; +}; -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) - version.version_major = MGA_MAJOR; - version.version_minor = MGA_MINOR; - version.version_patchlevel = MGA_PATCHLEVEL; +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 - DRM_COPY(version.name, MGA_NAME); - DRM_COPY(version.date, MGA_DATE); - DRM_COPY(version.desc, MGA_DESC); +#define __HAVE_MTRR 1 - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} +#define __HAVE_CTX_BITMAP 1 -int mga_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &mga_device; - int retcode = 0; +#define __HAVE_DMA 1 +#define __HAVE_DMA_IRQ 1 - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#if 0 +#define __HAVE_DMA_QUEUE 1 +#define __HAVE_DMA_SCHEDULE 1 #endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return mga_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int mga_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - mga_reclaim_buffers(dev, priv->pid); - DRM_INFO("Process %d dead (ctx %d, d_s = 0x%02lx)\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock), - dev->dev_private ? - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status - : 0); - - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - mga_reclaim_buffers(dev, priv->pid); - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while(temp) { - temp->authenticated = 0; - temp = temp->next; - } - } - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() \ +do { \ + drm_mga_private_t *dev_priv = dev->dev_private; \ + return mga_do_wait_for_idle( dev_priv ); \ +} while (0) + +#if 0 +#define __HAVE_DRIVER_RELEASE 1 +#define DRIVER_RELEASE() do { \ + mga_reclaim_buffers( dev, priv->pid ); \ + if ( dev->dev_private ) { \ + drm_mga_private_t *dev_priv = dev->dev_private; \ + dev_priv->dispatch_status &= MGA_IN_DISPATCH; \ + } \ +} while (0) #endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return mga_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int mga_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - if (nr >= MGA_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &mga_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function: pid = %d, cmd = 0x%02x," - " nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, - priv->authenticated); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - mga_dma_schedule(dev, 1); - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) DRM_ERROR("\n"); +#define DRIVER_PRETAKEDOWN() do { \ + if ( dev->dev_private ) mga_do_cleanup_dma( dev ); \ +} while (0) - unblock_all_signals(); - return 0; -} +#include "drm_drv.h" diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c index 62185b58..cf258925 100644 --- a/linux-core/r128_drv.c +++ b/linux-core/r128_drv.c @@ -37,7 +37,7 @@ #define R128_NAME "r128" #define R128_DESC "ATI Rage 128" -#define R128_DATE "20010125" +#define R128_DATE "20010101" #define R128_MAJOR 2 #define R128_MINOR 1 #define R128_PATCHLEVEL 4 diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel index 9fe0038f..5482833f 100644 --- a/linux/Makefile.kernel +++ b/linux/Makefile.kernel @@ -49,8 +49,7 @@ r128-objs := r128_drv.o r128_cce.o r128_context.o r128_bufs.o \ radeon-objs := radeon_drv.o radeon_cp.o radeon_context.o radeon_bufs.o \ radeon_state.o ffb-objs := ffb_drv.o ffb_context.o -mga-objs := mga_drv.o mga_dma.o mga_context.o mga_bufs.o \ - mga_state.o +mga-objs := mga_drv.o mga_drm.o mga_dma.o mga_state.o mga_warp.o i810-objs := i810_drv.o i810_dma.o i810_context.o i810_bufs.o obj-$(CONFIG_DRM_GAMMA) += gamma.o @@ -62,7 +61,7 @@ obj-$(CONFIG_DRM_MGA) += mga.o obj-$(CONFIG_DRM_I810) += i810.o -# When linking into the kernel, link the library just once. +# When linking into the kernel, link the library just once. # If making modules, we include the library into each module lib-objs-mod := $(patsubst %.o,%-mod.o,$(lib-objs)) @@ -75,7 +74,7 @@ endif include $(TOPDIR)/Rules.make -$(patsubst %.o,%.c,$(lib-objs-mod)): +$(patsubst %.o,%.c,$(lib-objs-mod)): @ln -sf $(subst -mod,,$@) $@ drmlib-mod.a: $(lib-objs-mod) diff --git a/linux/Makefile.linux b/linux/Makefile.linux index 1dd65e51..c5ea6562 100644 --- a/linux/Makefile.linux +++ b/linux/Makefile.linux @@ -23,7 +23,7 @@ # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. -# +# # # ***** NOTE NOTE NOTE NOTE NOTE ***** # To override the automatic Linux source tree determination, pass the @@ -47,11 +47,15 @@ # **** End of SMP/MODVERSIONS detection -MODS= gamma.o tdfx.o +MODS= gamma.o tdfx.o r128.o radeon.o LIBS= libdrm.a DRMOBJS= init.o memory.o proc.o auth.o context.o drawable.o bufs.o \ lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o +#DRMHEADERS= drm.h drmP.h compat-pre24.h +DRMTEMPLATES= drm_init.h drm_memory.h drm_proc.h drm_auth.h drm_context.h \ + drm_drawable.h drm_bufs.h drm_lists.h drm_lock.h drm_ioctl.h \ + drm_fops.h drm_vm.h drm_dma.h DRMHEADERS= drm.h drmP.h compat-pre24.h GAMMAOBJS= gamma_drv.o gamma_dma.o @@ -129,17 +133,14 @@ endif ifeq ($(AGP),1) MODCFLAGS += -DCONFIG_AGP -DCONFIG_AGP_MODULE DRMOBJS += agpsupport.o -MODS += mga.o r128.o radeon.o +MODS += mga.o ifeq ($(MACHINE),i386) MODS += i810.o endif -ifeq ($(MACHINE),i686) -MODS += i810.o -endif -MGAOBJS= mga_drv.o mga_dma.o mga_bufs.o mga_context.o mga_state.o -MGAHEADERS= mga_drv.h $(DRMHEADERS) +MGAOBJS= mga_drv.o mga_drm.o mga_dma.o mga_state.o mga_warp.o +MGAHEADERS= mga_drv.h $(DRMHEADERS) $(DRMTEMPLATES) I810OBJS= i810_drv.o i810_dma.o i810_bufs.o i810_context.o I810HEADERS= i810_drv.h $(DRMHEADERS) @@ -219,7 +220,7 @@ sis.o: $(SISOBJS) $(LIBS) ifeq ($(AGP),1) mga_drv.o: mga_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ -mga.o: $(MGAOBJS) $(LIBS) +mga.o: $(MGAOBJS) $(LD) -r $^ -o $@ i810_drv.o: i810_drv.c diff --git a/linux/bufs.c b/linux/bufs.c deleted file mode 100644 index 28e0eb5f..00000000 --- a/linux/bufs.c +++ /dev/null @@ -1,537 +0,0 @@ -/* bufs.c -- IOCTLs to manage buffers -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include <linux/config.h> -#include "drmP.h" -#include "linux/un.h" - - /* Compute order. Can be made faster. */ -int drm_order(unsigned long size) -{ - int order; - unsigned long tmp; - - for (order = 0, tmp = size; tmp >>= 1; ++order); - if (size & ~(1 << order)) ++order; - return order; -} - -int drm_addmap(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_map_t *map; - - if (!(filp->f_mode & 3)) return -EACCES; /* Require read/write */ - - map = drm_alloc(sizeof(*map), DRM_MEM_MAPS); - if (!map) return -ENOMEM; - if (copy_from_user(map, (drm_map_t *)arg, sizeof(*map))) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EFAULT; - } - - DRM_DEBUG("offset = 0x%08lx, size = 0x%08lx, type = %d\n", - map->offset, map->size, map->type); - if ((map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK))) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - map->mtrr = -1; - map->handle = 0; - - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifndef __sparc__ - if (map->offset + map->size < map->offset - || map->offset < virt_to_phys(high_memory)) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } -#endif -#ifdef CONFIG_MTRR - if (map->type == _DRM_FRAME_BUFFER - || (map->flags & _DRM_WRITE_COMBINING)) { - map->mtrr = mtrr_add(map->offset, map->size, - MTRR_TYPE_WRCOMB, 1); - } -#endif - map->handle = drm_ioremap(map->offset, map->size); - break; - - - case _DRM_SHM: - map->handle = (void *)drm_alloc_pages(drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - DRM_DEBUG("%ld %d %p\n", map->size, drm_order(map->size), - map->handle); - if (!map->handle) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -ENOMEM; - } - map->offset = (unsigned long)map->handle; - if (map->flags & _DRM_CONTAINS_LOCK) { - dev->lock.hw_lock = map->handle; /* Pointer to lock */ - } - break; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - case _DRM_AGP: - map->offset = map->offset + dev->agp->base; - break; -#endif - default: - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - - down(&dev->struct_sem); - if (dev->maplist) { - ++dev->map_count; - dev->maplist = drm_realloc(dev->maplist, - (dev->map_count-1) - * sizeof(*dev->maplist), - dev->map_count - * sizeof(*dev->maplist), - DRM_MEM_MAPS); - } else { - dev->map_count = 1; - dev->maplist = drm_alloc(dev->map_count*sizeof(*dev->maplist), - DRM_MEM_MAPS); - } - dev->maplist[dev->map_count-1] = map; - up(&dev->struct_sem); - - if (copy_to_user((drm_map_t *)arg, map, sizeof(*map))) - return -EFAULT; - if (map->type != _DRM_SHM) { - if (copy_to_user(&((drm_map_t *)arg)->handle, - &map->offset, - sizeof(map->offset))) - return -EFAULT; - } - return 0; -} - -int drm_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int count; - int order; - int size; - int total; - int page_order; - drm_buf_entry_t *entry; - unsigned long page; - drm_buf_t *buf; - int alignment; - unsigned long offset; - int i; - int byte_count; - int page_count; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - - DRM_DEBUG("count = %d, size = %d (%d), order = %d, queue_count = %d\n", - request.count, request.size, size, order, dev->queue_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->seglist = drm_alloc(count * sizeof(*entry->seglist), - DRM_MEM_SEGS); - if (!entry->seglist) { - drm_free(entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->seglist, 0, count * sizeof(*entry->seglist)); - - dma->pagelist = drm_realloc(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - DRM_DEBUG("pagelist: %d entries\n", - dma->page_count + (count << page_order)); - - - entry->buf_size = size; - entry->page_order = page_order; - byte_count = 0; - page_count = 0; - while (entry->buf_count < count) { - if (!(page = drm_alloc_pages(page_order, DRM_MEM_DMA))) break; - entry->seglist[entry->seg_count++] = page; - for (i = 0; i < (1 << page_order); i++) { - DRM_DEBUG("page %d @ 0x%08lx\n", - dma->page_count + page_count, - page + PAGE_SIZE * i); - dma->pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; - } - for (offset = 0; - offset + size <= total && entry->buf_count < count; - offset += alignment, ++entry->buf_count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - DRM_DEBUG("buffer %d @ %p\n", - entry->buf_count, buf->address); - } - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - dma->seg_count += entry->seg_count; - dma->page_count += entry->seg_count << page_order; - dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - return 0; -} - -int drm_infobufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - int i; - int count; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_info_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) ++count; - } - - DRM_DEBUG("count = %d\n", count); - - if (request.count >= count) { - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) { - if (copy_to_user(&request.list[count].count, - &dma->bufs[i].buf_count, - sizeof(dma->bufs[0] - .buf_count)) || - copy_to_user(&request.list[count].size, - &dma->bufs[i].buf_size, - sizeof(dma->bufs[0].buf_size)) || - copy_to_user(&request.list[count].low_mark, - &dma->bufs[i] - .freelist.low_mark, - sizeof(dma->bufs[0] - .freelist.low_mark)) || - copy_to_user(&request.list[count] - .high_mark, - &dma->bufs[i] - .freelist.high_mark, - sizeof(dma->bufs[0] - .freelist.high_mark))) - return -EFAULT; - - DRM_DEBUG("%d %d %d %d %d\n", - i, - dma->bufs[i].buf_count, - dma->bufs[i].buf_size, - dma->bufs[i].freelist.low_mark, - dma->bufs[i].freelist.high_mark); - ++count; - } - } - } - request.count = count; - - if (copy_to_user((drm_buf_info_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return 0; -} - -int drm_markbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d, %d, %d\n", - request.size, request.low_mark, request.high_mark); - order = drm_order(request.size); - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - entry = &dma->bufs[order]; - - if (request.low_mark < 0 || request.low_mark > entry->buf_count) - return -EINVAL; - if (request.high_mark < 0 || request.high_mark > entry->buf_count) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -int drm_freebufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_free_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d\n", request.count); - for (i = 0; i < request.count; i++) { - if (copy_from_user(&idx, - &request.list[i], - sizeof(idx))) - return -EFAULT; - if (idx < 0 || idx >= dma->buf_count) { - DRM_ERROR("Index %d (of %d max)\n", - idx, dma->buf_count - 1); - return -EINVAL; - } - buf = dma->buflist[idx]; - if (buf->pid != current->pid) { - DRM_ERROR("Process %d freeing buffer owned by %d\n", - current->pid, buf->pid); - return -EINVAL; - } - drm_free_buffer(dev, buf); - } - - return 0; -} - -int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - const int zero = 0; - unsigned long virtual; - unsigned long address; - drm_buf_map_t request; - int i; - - if (!dma) return -EINVAL; - - DRM_DEBUG("\n"); - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_map_t *)arg, - sizeof(request))) - return -EFAULT; - - if (request.count >= dma->buf_count) { - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, dma->byte_count, - PROT_READ|PROT_WRITE, MAP_SHARED, 0); - up(¤t->mm->mmap_sem); - if (virtual > -1024UL) { - /* Real error */ - retcode = (signed long)virtual; - goto done; - } - request.virtual = (void *)virtual; - - for (i = 0; i < dma->buf_count; i++) { - if (copy_to_user(&request.list[i].idx, - &dma->buflist[i]->idx, - sizeof(request.list[0].idx))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].total, - &dma->buflist[i]->total, - sizeof(request.list[0].total))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].used, - &zero, - sizeof(zero))) { - retcode = -EFAULT; - goto done; - } - address = virtual + dma->buflist[i]->offset; - if (copy_to_user(&request.list[i].address, - &address, - sizeof(address))) { - retcode = -EFAULT; - goto done; - } - } - } -done: - request.count = dma->buf_count; - DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode); - - if (copy_to_user((drm_buf_map_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return retcode; -} diff --git a/linux/ctxbitmap.c b/linux/ctxbitmap.c deleted file mode 100644 index 61550597..00000000 --- a/linux/ctxbitmap.c +++ /dev/null @@ -1,85 +0,0 @@ -/* ctxbitmap.c -- Context bitmap management -*- linux-c -*- - * Created: Thu Jan 6 03:56:42 2000 by jhartmann@precisioninsight.com - * - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" - -void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle) -{ - if (ctx_handle < 0) goto failed; - - if (ctx_handle < DRM_MAX_CTXBITMAP) { - clear_bit(ctx_handle, dev->ctx_bitmap); - return; - } -failed: - DRM_ERROR("Attempt to free invalid context handle: %d\n", - ctx_handle); - return; -} - -int drm_ctxbitmap_next(drm_device_t *dev) -{ - int bit; - - bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP); - if (bit < DRM_MAX_CTXBITMAP) { - set_bit(bit, dev->ctx_bitmap); - DRM_DEBUG("drm_ctxbitmap_next bit : %d\n", bit); - return bit; - } - return -1; -} - -int drm_ctxbitmap_init(drm_device_t *dev) -{ - int i; - int temp; - - dev->ctx_bitmap = (unsigned long *) drm_alloc(PAGE_SIZE, - DRM_MEM_CTXBITMAP); - if(dev->ctx_bitmap == NULL) { - return -ENOMEM; - } - memset((void *) dev->ctx_bitmap, 0, PAGE_SIZE); - for(i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - temp = drm_ctxbitmap_next(dev); - DRM_DEBUG("drm_ctxbitmap_init : %d\n", temp); - } - - return 0; -} - -void drm_ctxbitmap_cleanup(drm_device_t *dev) -{ - drm_free((void *)dev->ctx_bitmap, PAGE_SIZE, - DRM_MEM_CTXBITMAP); -} - diff --git a/linux/drm.h b/linux/drm.h index dc3d262d..0e6a4b46 100644 --- a/linux/drm.h +++ b/linux/drm.h @@ -72,12 +72,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -345,17 +353,19 @@ typedef struct drm_agp_info { #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t) #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) -#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) - -/* I810 specific ioctls */ +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) + +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x45, drm_mga_iload_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x46, drm_mga_vertex_t) +#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x47, drm_mga_indices_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) + +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) diff --git a/linux/drmP.h b/linux/drmP.h index 9a8fe61f..1efd7f66 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -25,8 +25,8 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #ifndef _DRM_P_H_ @@ -75,6 +75,32 @@ #endif #include "drm.h" +/* DRM template customization defaults + */ +#ifndef __HAVE_AGP +#define __HAVE_AGP 0 +#endif +#ifndef __HAVE_MTRR +#define __HAVE_MTRR 0 +#endif +#ifndef __HAVE_DMA +#define __HAVE_DMA 0 +#endif +#ifndef __HAVE_DMA_WAITLIST +#define __HAVE_DMA_WAITLIST 0 +#endif +#ifndef __HAVE_DMA_FREELIST +#define __HAVE_DMA_FREELIST 0 +#endif + +#define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ + defined(CONFIG_AGP_MODULE))) +#define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) + + +/* Begin the DRM... + */ + #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then also include looping detection. */ #define DRM_DMA_HISTOGRAM 1 /* Make histogram of DMA latency. */ @@ -263,12 +289,12 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) #if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ - do { \ - if (drm_flags&DRM_FLAG_DEBUG) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ - ##arg); \ +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if ( DRM(flags) & DRM_FLAG_DEBUG ) \ + printk(KERN_DEBUG \ + "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) @@ -284,27 +310,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, len += sprintf(&buf[len], fmt , ##arg); \ if (len > DRM_PROC_LIMIT) { ret; return len; } - /* Mapping helper macros */ -#define DRM_IOREMAP(map) \ - (map)->handle = drm_ioremap( (map)->offset, (map)->size ) - -#define DRM_IOREMAPFREE(map) \ - do { \ - if ( (map)->handle && (map)->size ) \ - drm_ioremapfree( (map)->handle, (map)->size ); \ - } while (0) - -#define DRM_FIND_MAP(map, o) \ - do { \ - int i; \ - for ( i = 0 ; i < dev->map_count ; i++ ) { \ - if ( dev->maplist[i]->offset == o ) { \ - map = dev->maplist[i]; \ - break; \ - } \ - } \ - } while (0) - /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) @@ -314,8 +319,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) -typedef int drm_ioctl_t(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +typedef int drm_ioctl_t( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); typedef struct drm_ioctl_desc { drm_ioctl_t *func; @@ -501,7 +506,7 @@ typedef struct drm_device_dma { unsigned long *pagelist; unsigned long byte_count; enum { - _DRM_DMA_USE_AGP = 0x01 + _DRM_DMA_USE_AGP = 0x01 } flags; /* DMA support */ @@ -511,7 +516,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -617,7 +622,7 @@ typedef struct drm_device { wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif unsigned long *ctx_bitmap; @@ -630,227 +635,234 @@ typedef struct drm_device { /* Internal function definitions */ /* Misc. support (init.c) */ -extern int drm_flags; -extern void drm_parse_options(char *s); -extern int drm_cpu_valid(void); +extern int DRM(flags); +extern void DRM(parse_options)( char *s ); +extern int DRM(cpu_valid)( void ); /* Device support (fops.c) */ -extern int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int drm_flush(struct file *filp); -extern int drm_release(struct inode *inode, struct file *filp); -extern int drm_fasync(int fd, struct file *filp, int on); -extern ssize_t drm_read(struct file *filp, char *buf, size_t count, - loff_t *off); -extern int drm_write_string(drm_device_t *dev, const char *s); -extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); +extern int DRM(open_helper)(struct inode *inode, struct file *filp, + drm_device_t *dev); +extern int DRM(flush)(struct file *filp); +extern int DRM(release_fuck)(struct inode *inode, struct file *filp); +extern int DRM(fasync)(int fd, struct file *filp, int on); +extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, + loff_t *off); +extern int DRM(write_string)(drm_device_t *dev, const char *s); +extern unsigned int DRM(poll)(struct file *filp, + struct poll_table_struct *wait); /* Mapping support (vm.c) */ #if LINUX_VERSION_CODE < 0x020317 -extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, +extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +#else + /* Return type changed in 2.3.23 */ +extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -#else - /* Return type changed in 2.3.23 */ -extern struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#endif -extern void drm_vm_open(struct vm_area_struct *vma); -extern void drm_vm_close(struct vm_area_struct *vma); -extern int drm_mmap_dma(struct file *filp, - struct vm_area_struct *vma); -extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); +#endif +extern void DRM(vm_open)(struct vm_area_struct *vma); +extern void DRM(vm_close)(struct vm_area_struct *vma); +extern int DRM(mmap_dma)(struct file *filp, + struct vm_area_struct *vma); +extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); /* Proc support (proc.c) */ -extern int drm_proc_init(drm_device_t *dev); -extern int drm_proc_cleanup(void); +extern int DRM(proc_init)(drm_device_t *dev); +extern int DRM(proc_cleanup)(void); /* Memory management support (memory.c) */ -extern void drm_mem_init(void); -extern int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -extern void *drm_alloc(size_t size, int area); -extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, - int area); -extern char *drm_strdup(const char *s, int area); -extern void drm_strfree(const char *s, int area); -extern void drm_free(void *pt, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, - int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size); -extern void drm_ioremapfree(void *pt, unsigned long size); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -extern agp_memory *drm_alloc_agp(int pages, u32 type); -extern int drm_free_agp(agp_memory *handle, int pages); -extern int drm_bind_agp(agp_memory *handle, unsigned int start); -extern int drm_unbind_agp(agp_memory *handle); -#endif - - - /* Buffer management support (bufs.c) */ -extern int drm_order(unsigned long size); -extern int drm_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - - /* Buffer list management support (lists.c) */ -extern int drm_waitlist_create(drm_waitlist_t *bl, int count); -extern int drm_waitlist_destroy(drm_waitlist_t *bl); -extern int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf); -extern drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl); - -extern int drm_freelist_create(drm_freelist_t *bl, int count); -extern int drm_freelist_destroy(drm_freelist_t *bl); -extern int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, - drm_buf_t *buf); -extern drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block); - - /* DMA support (gen_dma.c) */ -extern void drm_dma_setup(drm_device_t *dev); -extern void drm_dma_takedown(drm_device_t *dev); -extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); -extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int drm_context_switch(drm_device_t *dev, int old, int new); -extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_clear_next_buffer(drm_device_t *dev); -extern int drm_select_queue(drm_device_t *dev, - void (*wrapper)(unsigned long)); -extern int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma); -extern int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma); -#if DRM_DMA_HISTOGRAM -extern int drm_histogram_slot(unsigned long count); -extern void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(mem_init)(void); +extern int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +extern void *DRM(alloc)(size_t size, int area); +extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, + int area); +extern char *DRM(strdup)(const char *s, int area); +extern void DRM(strfree)(const char *s, int area); +extern void DRM(free)(void *pt, size_t size, int area); +extern unsigned long DRM(alloc_pages)(int order, int area); +extern void DRM(free_pages)(unsigned long address, int order, + int area); +extern void *DRM(ioremap)(unsigned long offset, unsigned long size); +extern void DRM(ioremapfree)(void *pt, unsigned long size); + +#if __REALLY_HAVE_AGP +extern agp_memory *DRM(alloc_agp)(int pages, u32 type); +extern int DRM(free_agp)(agp_memory *handle, int pages); +extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); +extern int DRM(unbind_agp)(agp_memory *handle); #endif - /* Misc. IOCTL support (ioctl.c) */ -extern int drm_irq_busid(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_setunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* Context IOCTL support (context.c) */ -extern int drm_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); /* Drawable IOCTL support (drawable.c) */ -extern int drm_adddraw(struct inode *inode, struct file *filp, +extern int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(rmdraw)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_rmdraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); /* Authentication IOCTL support (auth.c) */ -extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, - drm_magic_t magic); -extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); -extern int drm_getmagic(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_authmagic(struct inode *inode, struct file *filp, +extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, + drm_magic_t magic); +extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); +extern int DRM(getmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); /* Locking IOCTL support (lock.c) */ -extern int drm_block(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_unblock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_finish(struct inode *inode, struct file *filp, +extern int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_flush_unblock(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_notifier(void *priv); +extern int DRM(unblock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(lock_take)(__volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(finish)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(flush_unblock)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(notifier)(void *priv); /* Context Bitmap support (ctxbitmap.c) */ -extern int drm_ctxbitmap_init(drm_device_t *dev); -extern void drm_ctxbitmap_cleanup(drm_device_t *dev); -extern int drm_ctxbitmap_next(drm_device_t *dev); -extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +extern int DRM(ctxbitmap_init)( drm_device_t *dev ); +extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + + + + /* Buffer management support (bufs.c) */ +extern int DRM(order)( unsigned long size ); +extern int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + +#if __HAVE_DMA + /* DMA support (dma.c) */ +extern int DRM(dma_setup)(drm_device_t *dev); +extern void DRM(dma_takedown)(drm_device_t *dev); +extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid); +extern int DRM(context_switch)(drm_device_t *dev, int old, int new); +extern int DRM(context_switch_complete)(drm_device_t *dev, int new); +extern void DRM(clear_next_buffer)(drm_device_t *dev); +extern int DRM(select_queue)(drm_device_t *dev, + void (*wrapper)(unsigned long)); +extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); +#if 0 +extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); +#endif +#if DRM_DMA_HISTOGRAM +extern int DRM(histogram_slot)(unsigned long count); +extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf); +#endif +#endif + + /* Buffer list management support (lists.c) */ +#if __HAVE_DMA_WAITLIST +extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); +extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); +extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); +#endif +#if __HAVE_DMA_FREELIST +extern int DRM(freelist_create)(drm_freelist_t *bl, int count); +extern int DRM(freelist_destroy)(drm_freelist_t *bl); +extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); +#endif + +#if __REALLY_HAVE_AGP /* AGP/GART support (agpsupport.c) */ -extern drm_agp_head_t *drm_agp_init(void); -extern void drm_agp_uninit(void); -extern int drm_agp_acquire(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void _drm_agp_release(void); -extern int drm_agp_release(struct inode *inode, struct file *filp, +extern drm_agp_head_t *DRM(agp_init)(void); +extern void DRM(agp_uninit)(void); +extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern void DRM(agp_do_release)(void); +extern int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_enable)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_enable(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_info(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_alloc(struct inode *inode, struct file *filp, +extern int DRM(agp_info)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_unbind(struct inode *inode, struct file *filp, +extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_bind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern agp_memory *drm_agp_allocate_memory(size_t pages, u32 type); -extern int drm_agp_free_memory(agp_memory *handle); -extern int drm_agp_bind_memory(agp_memory *handle, off_t start); -extern int drm_agp_unbind_memory(agp_memory *handle); +extern int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); +extern int DRM(agp_free_memory)(agp_memory *handle); +extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); +extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif #endif #endif diff --git a/linux/drm_agpsupport.h b/linux/drm_agpsupport.h new file mode 100644 index 00000000..da4f343b --- /dev/null +++ b/linux/drm_agpsupport.h @@ -0,0 +1,335 @@ +/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*- + * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Author: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" +#include <linux/module.h> + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + +#if LINUX_VERSION_CODE < 0x020400 +#include "agpsupport-pre24.h" +#else +#define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp") +#define DRM_AGP_PUT inter_module_put("drm_agp") +#endif + +static const drm_agp_t *drm_agp = NULL; + +int DRM(agp_info)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + agp_kern_info *kern; + drm_agp_info_t info; + + if (!dev->agp->acquired || !drm_agp->copy_info) return -EINVAL; + + kern = &dev->agp->agp_info; + info.agp_version_major = kern->version.major; + info.agp_version_minor = kern->version.minor; + info.mode = kern->mode; + info.aperture_base = kern->aper_base; + info.aperture_size = kern->aper_size * 1024 * 1024; + info.memory_allowed = kern->max_memory << PAGE_SHIFT; + info.memory_used = kern->current_memory << PAGE_SHIFT; + info.id_vendor = kern->device->vendor; + info.id_device = kern->device->device; + + if (copy_to_user((drm_agp_info_t *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; +} + +int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + if (dev->agp->acquired || !drm_agp->acquire) return -EINVAL; + if ((retcode = drm_agp->acquire())) return retcode; + dev->agp->acquired = 1; + return 0; +} + +int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + if (!dev->agp->acquired || !drm_agp->release) return -EINVAL; + drm_agp->release(); + dev->agp->acquired = 0; + return 0; + +} + +void DRM(agp_do_release)(void) +{ + if (drm_agp->release) drm_agp->release(); +} + +int DRM(agp_enable)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_mode_t mode; + + if (!dev->agp->acquired || !drm_agp->enable) return -EINVAL; + + if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode))) + return -EFAULT; + + dev->agp->mode = mode.mode; + drm_agp->enable(mode.mode); + dev->agp->base = dev->agp->agp_info.aper_base; + dev->agp->enabled = 1; + return 0; +} + +int DRM(agp_alloc)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + agp_memory *memory; + unsigned long pages; + u32 type; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) + return -ENOMEM; + + memset(entry, 0, sizeof(*entry)); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + type = (u32) request.type; + + if (!(memory = DRM(alloc_agp)(pages, type))) { + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -ENOMEM; + } + + entry->handle = (unsigned long)memory->memory; + entry->memory = memory; + entry->bound = 0; + entry->pages = pages; + entry->prev = NULL; + entry->next = dev->agp->memory; + if (dev->agp->memory) dev->agp->memory->prev = entry; + dev->agp->memory = entry; + + request.handle = entry->handle; + request.physical = memory->physical; + + if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) { + dev->agp->memory = entry->next; + dev->agp->memory->prev = NULL; + DRM(free_agp)(memory, pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -EFAULT; + } + return 0; +} + +static drm_agp_mem_t *DRM(agp_lookup_entry)(drm_device_t *dev, + unsigned long handle) +{ + drm_agp_mem_t *entry; + + for (entry = dev->agp->memory; entry; entry = entry->next) { + if (entry->handle == handle) return entry; + } + return NULL; +} + +int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (!entry->bound) return -EINVAL; + return DRM(unbind_agp)(entry->memory); +} + +int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int retcode; + int page; + + if (!dev->agp->acquired || !drm_agp->bind_memory) return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (entry->bound) return -EINVAL; + page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; + if ((retcode = DRM(bind_agp)(entry->memory, page))) return retcode; + entry->bound = dev->agp->base + (page << PAGE_SHIFT); + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + dev->agp->base, entry->bound); + return 0; +} + +int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (entry->bound) DRM(unbind_agp)(entry->memory); + + if (entry->prev) entry->prev->next = entry->next; + else dev->agp->memory = entry->next; + if (entry->next) entry->next->prev = entry->prev; + DRM(free_agp)(entry->memory, entry->pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return 0; +} + +drm_agp_head_t *DRM(agp_init)(void) +{ + drm_agp_head_t *head = NULL; + + drm_agp = DRM_AGP_GET; + if (drm_agp) { + if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS))) + return NULL; + memset((void *)head, 0, sizeof(*head)); + drm_agp->copy_info(&head->agp_info); + if (head->agp_info.chipset == NOT_SUPPORTED) { + DRM(free)(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } + head->memory = NULL; + switch (head->agp_info.chipset) { + case INTEL_GENERIC: head->chipset = "Intel"; break; + case INTEL_LX: head->chipset = "Intel 440LX"; break; + case INTEL_BX: head->chipset = "Intel 440BX"; break; + case INTEL_GX: head->chipset = "Intel 440GX"; break; + case INTEL_I810: head->chipset = "Intel i810"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case INTEL_I840: head->chipset = "Intel i840"; break; +#endif + + case VIA_GENERIC: head->chipset = "VIA"; break; + case VIA_VP3: head->chipset = "VIA VP3"; break; + case VIA_MVP3: head->chipset = "VIA MVP3"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case VIA_MVP4: head->chipset = "VIA MVP4"; break; + case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; + break; + case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; + break; +#endif + + case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; + break; + case SIS_GENERIC: head->chipset = "SiS"; break; + case AMD_GENERIC: head->chipset = "AMD"; break; + case AMD_IRONGATE: head->chipset = "AMD Irongate"; break; + case ALI_GENERIC: head->chipset = "ALi"; break; + case ALI_M1541: head->chipset = "ALi M1541"; break; + default: head->chipset = "Unknown"; break; + } + DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n", + head->agp_info.version.major, + head->agp_info.version.minor, + head->chipset, + head->agp_info.aper_base, + head->agp_info.aper_size); + } + return head; +} + +void DRM(agp_uninit)(void) +{ + DRM_AGP_PUT; + drm_agp = NULL; +} + +agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type) +{ + if (!drm_agp->allocate_memory) return NULL; + return drm_agp->allocate_memory(pages, type); +} + +int DRM(agp_free_memory)(agp_memory *handle) +{ + if (!handle || !drm_agp->free_memory) return 0; + drm_agp->free_memory(handle); + return 1; +} + +int DRM(agp_bind_memory)(agp_memory *handle, off_t start) +{ + if (!handle || !drm_agp->bind_memory) return -EINVAL; + return drm_agp->bind_memory(handle, start); +} + +int DRM(agp_unbind_memory)(agp_memory *handle) +{ + if (!handle || !drm_agp->unbind_memory) return -EINVAL; + return drm_agp->unbind_memory(handle); +} + +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/drm_auth.h b/linux/drm_auth.h new file mode 100644 index 00000000..e0e52992 --- /dev/null +++ b/linux/drm_auth.h @@ -0,0 +1,162 @@ +/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +static int DRM(hash_magic)(drm_magic_t magic) +{ + return magic & (DRM_HASH_SIZE-1); +} + +static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic) +{ + drm_file_t *retval = NULL; + drm_magic_entry_t *pt; + int hash = DRM(hash_magic)(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { + if (pt->magic == magic) { + retval = pt->priv; + break; + } + } + up(&dev->struct_sem); + return retval; +} + +int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +{ + int hash; + drm_magic_entry_t *entry; + + DRM_DEBUG("%d\n", magic); + + hash = DRM(hash_magic)(magic); + entry = DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC); + if (!entry) return -ENOMEM; + entry->magic = magic; + entry->priv = priv; + entry->next = NULL; + + down(&dev->struct_sem); + if (dev->magiclist[hash].tail) { + dev->magiclist[hash].tail->next = entry; + dev->magiclist[hash].tail = entry; + } else { + dev->magiclist[hash].head = entry; + dev->magiclist[hash].tail = entry; + } + up(&dev->struct_sem); + + return 0; +} + +int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic) +{ + drm_magic_entry_t *prev = NULL; + drm_magic_entry_t *pt; + int hash; + + DRM_DEBUG("%d\n", magic); + hash = DRM(hash_magic)(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { + if (pt->magic == magic) { + if (dev->magiclist[hash].head == pt) { + dev->magiclist[hash].head = pt->next; + } + if (dev->magiclist[hash].tail == pt) { + dev->magiclist[hash].tail = prev; + } + if (prev) { + prev->next = pt->next; + } + up(&dev->struct_sem); + return 0; + } + } + up(&dev->struct_sem); + + DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC); + + return -EINVAL; +} + +int DRM(getmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + static drm_magic_t sequence = 0; + static spinlock_t lock = SPIN_LOCK_UNLOCKED; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + + /* Find unique magic */ + if (priv->magic) { + auth.magic = priv->magic; + } else { + do { + spin_lock(&lock); + if (!sequence) ++sequence; /* reserve 0 */ + auth.magic = sequence++; + spin_unlock(&lock); + } while (DRM(find_file)(dev, auth.magic)); + priv->magic = auth.magic; + DRM(add_magic)(dev, priv, auth.magic); + } + + DRM_DEBUG("%u\n", auth.magic); + if (copy_to_user((drm_auth_t *)arg, &auth, sizeof(auth))) + return -EFAULT; + return 0; +} + +int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + drm_file_t *file; + + if (copy_from_user(&auth, (drm_auth_t *)arg, sizeof(auth))) + return -EFAULT; + DRM_DEBUG("%u\n", auth.magic); + if ((file = DRM(find_file)(dev, auth.magic))) { + file->authenticated = 1; + DRM(remove_magic)(dev, auth.magic); + return 0; + } + return -EINVAL; +} diff --git a/linux/drm_bufs.h b/linux/drm_bufs.h new file mode 100644 index 00000000..1fda2d25 --- /dev/null +++ b/linux/drm_bufs.h @@ -0,0 +1,746 @@ +/* drm_bufs.h -- Generic buffer template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#ifndef __HAVE_PCI_DMA +#define __HAVE_PCI_DMA 0 +#endif + +#ifndef DRIVER_BUF_PRIV_T +#define DRIVER_BUF_PRIV_T u32 +#endif +#ifndef DRIVER_AGP_BUFFER_MAP +#define DRIVER_AGP_BUFFER_MAP NULL +#endif + +/* + * Compute order. Can be made faster. + */ +int DRM(order)( unsigned long size ) +{ + int order; + unsigned long tmp; + + for ( order = 0, tmp = size ; tmp >>= 1 ; ++order ); + + if ( size & ~(1 << order) ) + ++order; + + return order; +} + +int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, (drm_map_t *)arg, sizeof(*map) ) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = 0; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifndef __sparc__ + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef CONFIG_MTRR + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } +#endif + map->handle = DRM(ioremap)( map->offset, map->size ); + break; + + case _DRM_SHM: + map->handle = (void *)DRM(alloc_pages)( DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + DRM_DEBUG( "%ld %d %p\n", + map->size, DRM(order)( map->size ), map->handle ); + if ( !map->handle ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + case _DRM_AGP: + map->offset = map->offset + dev->agp->base; + break; +#endif + default: + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + down( &dev->struct_sem ); + if ( dev->maplist ) { + ++dev->map_count; + dev->maplist = DRM(realloc)( dev->maplist, + (dev->map_count-1) + * sizeof(*dev->maplist), + dev->map_count + * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } else { + dev->map_count = 1; + dev->maplist = DRM(alloc)( dev->map_count*sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } + dev->maplist[dev->map_count-1] = map; + up( &dev->struct_sem ); + + if ( copy_to_user( (drm_map_t *)arg, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &((drm_map_t *)arg)->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + +#if __REALLY_HAVE_AGP +int DRM(addbufs_agp)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %ld\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); /* ******** */ + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; + + buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); + buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), + DRM_MEM_BUFS ); + memset( buf->dev_private, 0, buf->dev_priv_size ); + +#if DRM_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + +#if 0 + /* FIXME: work this mess out... + */ + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __REALLY_HAVE_AGP */ + +#if __HAVE_PCI_DMA +int DRM(addbufs_pci)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + DRM(free)( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + dma->pagelist = DRM(realloc)( dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = DRM(alloc_pages)( page_order, DRM_MEM_DMA ); + if ( !page ) break; + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + dma->pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; +#if DRM_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + +#if 0 + /* FIXME: work this mess out... + */ + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __HAVE_PCI_DMA */ + +int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __REALLY_HAVE_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return DRM(addbufs_agp)( inode, filp, cmd, arg ); + else +#endif +#if __HAVE_PCI_DMA + return DRM(addbufs_pci)( inode, filp, cmd, arg ); +#else + return -EINVAL; +#endif +} + +int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + int i; + int count; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, + (drm_buf_info_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( (drm_buf_info_t *)arg, + &request, + sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = DRM(order)( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->pid != current->pid ) { + DRM_ERROR( "Process %d freeing buffer owned by %d\n", + current->pid, buf->pid ); + return -EINVAL; + } + DRM(free_buffer)( dev, buf ); + } + + return 0; +} + +int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, (drm_buf_map_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ( __HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP) ) { + DRIVER_DEV_PRIV_T *dev_priv = dev->dev_private; + drm_map_t *map; + + map = DRIVER_AGP_BUFFER_MAP; + if ( !map ) { + retcode = -EINVAL; + goto done; + } + + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); + up( ¤t->mm->mmap_sem ); + } else { + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); + up( ¤t->mm->mmap_sem ); + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( (drm_buf_map_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} diff --git a/linux/drm_context.h b/linux/drm_context.h new file mode 100644 index 00000000..ca039522 --- /dev/null +++ b/linux/drm_context.h @@ -0,0 +1,272 @@ +/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* ================================================================ + * Context bitmap support + */ + +void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + clear_bit( ctx_handle, dev->ctx_bitmap ); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +int DRM(ctxbitmap_next)( drm_device_t *dev ) +{ + int bit; + + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + return bit; + } + return -1; +} + +int DRM(ctxbitmap_init)( drm_device_t *dev ) +{ + int i; + int temp; + + dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = DRM(ctxbitmap_next)( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +void DRM(ctxbitmap_cleanup)( drm_device_t *dev ) +{ + DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); +} + + +/* ================================================================ + * The actual DRM context handling routines + */ + +int DRM(context_switch)( drm_device_t *dev, int old, int new ) +{ + char buf[64]; + + atomic_inc( &dev->total_ctx ); + + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + +#if DRM_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + if ( DRM(flags) & DRM_FLAG_NOCTX ) { + DRM(context_switch_complete)( dev, new ); + } else { + sprintf( buf, "C %d %d\n", old, new ); + DRM(write_string)( dev, buf ); + } + + return 0; +} + +int DRM(context_switch_complete)( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ +#if DRM_DMA_HISTOGRAM + atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)] ); + +#endif + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, (drm_ctx_res_t *)arg, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( (drm_ctx_res_t *)arg, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = DRM(ctxbitmap_next)( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = DRM(ctxbitmap_next)( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t*)arg, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( (drm_ctx_t*)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return DRM(context_switch)( dev, dev->last_context, ctx.handle ); +} + +int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + DRM(context_switch_complete)( dev, ctx.handle ); + + return 0; +} + +int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + DRM(ctxbitmap_free)( dev, ctx.handle ); + } + + return 0; +} diff --git a/linux/drm_dma.h b/linux/drm_dma.h new file mode 100644 index 00000000..03f1814d --- /dev/null +++ b/linux/drm_dma.h @@ -0,0 +1,568 @@ +/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#include <linux/interrupt.h> /* For task queue support */ + +#ifndef __HAVE_DMA_WAITQUEUE +#define __HAVE_DMA_WAITQUEUE 0 +#endif + +#if __HAVE_DMA + +int DRM(dma_setup)( drm_device_t *dev ) +{ + int i; + + dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) + memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; +} + +void DRM(dma_takedown)(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i, j; + + if (!dma) return; + + /* Clear dma buffers */ + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].seg_count) { + DRM_DEBUG("order %d: buf_count = %d," + " seg_count = %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].seg_count); + for (j = 0; j < dma->bufs[i].seg_count; j++) { + DRM(free_pages)(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); + } + DRM(free)(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); + } + if(dma->bufs[i].buf_count) { + for(j = 0; j < dma->bufs[i].buf_count; j++) { + if(dma->bufs[i].buflist[j].dev_private) { + DRM(free)(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); + } + } + DRM(free)(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); +#if __HAVE_DMA_FREELIST + DRM(freelist_destroy)(&dma->bufs[i].freelist); +#endif + } + } + + if (dma->buflist) { + DRM(free)(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); + } + + if (dma->pagelist) { + DRM(free)(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + dev->dma = NULL; +} + +#if DRM_DMA_HISTOGRAM +/* This is slow, but is useful for debugging. */ +int DRM(histogram_slot)(unsigned long count) +{ + int value = DRM_DMA_HISTOGRAM_INITIAL; + int slot; + + for (slot = 0; + slot < DRM_DMA_HISTOGRAM_SLOTS; + ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) { + if (count < value) return slot; + } + return DRM_DMA_HISTOGRAM_SLOTS - 1; +} + +void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf) +{ + cycles_t queued_to_dispatched; + cycles_t dispatched_to_completed; + cycles_t completed_to_freed; + int q2d, d2c, c2f, q2c, q2f; + + if (buf->time_queued) { + queued_to_dispatched = (buf->time_dispatched + - buf->time_queued); + dispatched_to_completed = (buf->time_completed + - buf->time_dispatched); + completed_to_freed = (buf->time_freed + - buf->time_completed); + + q2d = DRM(histogram_slot)(queued_to_dispatched); + d2c = DRM(histogram_slot)(dispatched_to_completed); + c2f = DRM(histogram_slot)(completed_to_freed); + + q2c = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed); + q2f = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed + + completed_to_freed); + + atomic_inc(&dev->histo.total); + atomic_inc(&dev->histo.queued_to_dispatched[q2d]); + atomic_inc(&dev->histo.dispatched_to_completed[d2c]); + atomic_inc(&dev->histo.completed_to_freed[c2f]); + + atomic_inc(&dev->histo.queued_to_completed[q2c]); + atomic_inc(&dev->histo.queued_to_freed[q2f]); + + } + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +} +#endif + +void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) +{ + if (!buf) return; + + buf->waiting = 0; + buf->pending = 0; + buf->pid = 0; + buf->used = 0; +#if DRM_DMA_HISTOGRAM + buf->time_completed = get_cycles(); +#endif + + if ( __HAVE_DMA_WAITQUEUE && waitqueue_active(&buf->dma_wait)) { + wake_up_interruptible(&buf->dma_wait); + } +#if __HAVE_DMA_FREELIST + else { + drm_device_dma_t *dma = dev->dma; + /* If processes are waiting, the last one + to wake will put the buffer on the free + list. If no processes are waiting, we + put the buffer on the freelist here. */ + DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf); + } +#endif +} + +void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + for (i = 0; i < dma->buf_count; i++) { + if (dma->buflist[i]->pid == pid) { + switch (dma->buflist[i]->list) { + case DRM_LIST_NONE: + DRM(free_buffer)(dev, dma->buflist[i]); + break; + case DRM_LIST_WAIT: + dma->buflist[i]->list = DRM_LIST_RECLAIM; + break; + default: + /* Buffer already on hardware. */ + break; + } + } + } +} + +#if 0 +int drm_context_switch(drm_device_t *dev, int old, int new) +{ + char buf[64]; + drm_queue_t *q; + + atomic_inc(&dev->total_ctx); + + if (test_and_set_bit(0, &dev->context_flag)) { + DRM_ERROR("Reentering -- FIXME\n"); + return -EBUSY; + } + +#if DRM_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new >= dev->queue_count) { + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (new == dev->last_context) { + clear_bit(0, &dev->context_flag); + return 0; + } + + q = dev->queuelist[new]; + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + atomic_dec(&q->use_count); + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (drm_flags & DRM_FLAG_NOCTX) { + drm_context_switch_complete(dev, new); + } else { + sprintf(buf, "C %d %d\n", old, new); + drm_write_string(dev, buf); + } + + atomic_dec(&q->use_count); + + return 0; +} + +int drm_context_switch_complete(drm_device_t *dev, int new) +{ + drm_device_dma_t *dma = dev->dma; + + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Lock isn't held after context switch\n"); + } + + if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { + if (drm_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("Cannot free lock\n"); + } + } + +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() + - dev->ctx_start)]); + +#endif + clear_bit(0, &dev->context_flag); + wake_up_interruptible(&dev->context_wait); + + return 0; +} +#endif + + + +#if 0 +void DRM(clear_next_buffer)(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + + dma->next_buffer = NULL; + if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { + wake_up_interruptible(&dma->next_queue->flush_queue); + } + dma->next_queue = NULL; +} + +int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) +{ + int i; + int candidate = -1; + int j = jiffies; + + if (!dev) { + DRM_ERROR("No device\n"); + return -1; + } + if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) { + /* This only happens between the time the + interrupt is initialized and the time + the queues are initialized. */ + return -1; + } + + /* Doing "while locked" DMA? */ + if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) { + return DRM_KERNEL_CONTEXT; + } + + /* If there are buffers on the last_context + queue, and we have not been executing + this context very long, continue to + execute this context. */ + if (dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j + && DRM_WAITCOUNT(dev, dev->last_context)) { + return dev->last_context; + } + + /* Otherwise, find a candidate */ + for (i = dev->last_checked + 1; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + + if (candidate < 0) { + for (i = 0; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + } + + if (wrapper + && candidate >= 0 + && candidate != dev->last_context + && dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j) { + if (dev->timer.expires != dev->last_switch + DRM_TIME_SLICE) { + del_timer(&dev->timer); + dev->timer.function = wrapper; + dev->timer.data = (unsigned long)dev; + dev->timer.expires = dev->last_switch+DRM_TIME_SLICE; + add_timer(&dev->timer); + } + return -1; + } + + return candidate; +} + + +int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) +{ + int i; + drm_queue_t *q; + drm_buf_t *buf; + int idx; + int while_locked = 0; + drm_device_dma_t *dma = dev->dma; + DECLARE_WAITQUEUE(entry, current); + + DRM_DEBUG("%d\n", d->send_count); + + if (d->flags & _DRM_DMA_WHILE_LOCKED) { + int context = dev->lock.hw_lock->lock; + + if (!_DRM_LOCK_IS_HELD(context)) { + DRM_ERROR("No lock held during \"while locked\"" + " request\n"); + return -EINVAL; + } + if (d->context != _DRM_LOCKING_CONTEXT(context) + && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) { + DRM_ERROR("Lock held by %d while %d makes" + " \"while locked\" request\n", + _DRM_LOCKING_CONTEXT(context), + d->context); + return -EINVAL; + } + q = dev->queuelist[DRM_KERNEL_CONTEXT]; + while_locked = 1; + } else { + q = dev->queuelist[d->context]; + } + + + atomic_inc(&q->use_count); + if (atomic_read(&q->block_write)) { + add_wait_queue(&q->write_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!atomic_read(&q->block_write)) break; + schedule(); + if (signal_pending(current)) { + atomic_dec(&q->use_count); + remove_wait_queue(&q->write_queue, &entry); + return -EINTR; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->write_queue, &entry); + } + + for (i = 0; i < d->send_count; i++) { + idx = d->send_indices[i]; + if (idx < 0 || idx >= dma->buf_count) { + atomic_dec(&q->use_count); + DRM_ERROR("Index %d (of %d max)\n", + d->send_indices[i], dma->buf_count - 1); + return -EINVAL; + } + buf = dma->buflist[ idx ]; + if (buf->pid != current->pid) { + atomic_dec(&q->use_count); + DRM_ERROR("Process %d using buffer owned by %d\n", + current->pid, buf->pid); + return -EINVAL; + } + if (buf->list != DRM_LIST_NONE) { + atomic_dec(&q->use_count); + DRM_ERROR("Process %d using buffer %d on list %d\n", + current->pid, buf->idx, buf->list); + } + buf->used = d->send_sizes[i]; + buf->while_locked = while_locked; + buf->context = d->context; + if (!buf->used) { + DRM_ERROR("Queueing 0 length buffer\n"); + } + if (buf->pending) { + atomic_dec(&q->use_count); + DRM_ERROR("Queueing pending buffer:" + " buffer %d, offset %d\n", + d->send_indices[i], i); + return -EINVAL; + } + if (buf->waiting) { + atomic_dec(&q->use_count); + DRM_ERROR("Queueing waiting buffer:" + " buffer %d, offset %d\n", + d->send_indices[i], i); + return -EINVAL; + } + buf->waiting = 1; + if (atomic_read(&q->use_count) == 1 + || atomic_read(&q->finalization)) { + DRM(free_buffer)(dev, buf); + } else { + DRM(waitlist_put)(&q->waitlist, buf); + atomic_inc(&q->total_queued); + } + } + atomic_dec(&q->use_count); + + return 0; +} + +static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, + int order) +{ + int i; + drm_buf_t *buf; + drm_device_dma_t *dma = dev->dma; + + for (i = d->granted_count; i < d->request_count; i++) { + buf = DRM(freelist_get)(&dma->bufs[order].freelist, + d->flags & _DRM_DMA_WAIT); + if (!buf) break; + if (buf->pending || buf->waiting) { + DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", + buf->idx, + buf->pid, + buf->waiting, + buf->pending); + } + buf->pid = current->pid; + if (copy_to_user(&d->request_indices[i], + &buf->idx, + sizeof(buf->idx))) + return -EFAULT; + + if (copy_to_user(&d->request_sizes[i], + &buf->total, + sizeof(buf->total))) + return -EFAULT; + + ++d->granted_count; + } + return 0; +} + + +int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) +{ + int order; + int retcode = 0; + int tmp_order; + + order = DRM(order)(dma->request_size); + + dma->granted_count = 0; + retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_SMALLER_OK)) { + for (tmp_order = order - 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order >= DRM_MIN_ORDER; + --tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); + } + } + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_LARGER_OK)) { + for (tmp_order = order + 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order <= DRM_MAX_ORDER; + ++tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); + } + } + return 0; +} + +#endif + +#endif diff --git a/linux/drm_drawable.h b/linux/drm_drawable.h new file mode 100644 index 00000000..9dedfc76 --- /dev/null +++ b/linux/drm_drawable.h @@ -0,0 +1,51 @@ +/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_draw_t draw; + + draw.handle = 0; /* NOOP */ + DRM_DEBUG("%d\n", draw.handle); + if (copy_to_user((drm_draw_t *)arg, &draw, sizeof(draw))) + return -EFAULT; + return 0; +} + +int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + return 0; /* NOOP */ +} diff --git a/linux/drm_drv.h b/linux/drm_drv.h new file mode 100644 index 00000000..1c940179 --- /dev/null +++ b/linux/drm_drv.h @@ -0,0 +1,842 @@ +/* drm_drv.h -- Generic driver template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_MAJOR 2 + * #define DRIVER_MINOR 0 + * #define DRIVER_PATCHLEVEL 2 + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define DRM(x) mga_##x + */ + +#ifndef __MUST_HAVE_AGP +#define __MUST_HAVE_AGP 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_QUEUE +#define __HAVE_DMA_QUEUE 0 +#endif +#ifndef __HAVE_MULTIPLE_DMA_QUEUES +#define __HAVE_MULTIPLE_DMA_QUEUES 0 +#endif +#ifndef __HAVE_DMA_SCHEDULE +#define __HAVE_DMA_SCHEDULE 0 +#endif +#ifndef __HAVE_DMA_FLUSH +#define __HAVE_DMA_FLUSH 0 +#endif +#ifndef __HAVE_DMA_READY +#define __HAVE_DMA_READY 0 +#endif +#ifndef __HAVE_DMA_QUIESCENT +#define __HAVE_DMA_QUIESCENT 0 +#endif +#ifndef __HAVE_DRIVER_RELEASE +#define __HAVE_DRIVER_RELEASE 0 +#endif + +#ifndef DRIVER_PREINIT +#define DRIVER_PREINIT() +#endif +#ifndef DRIVER_POSTINIT +#define DRIVER_POSTINIT() +#endif +#ifndef DRIVER_PRETAKEDOWN +#define DRIVER_PRETAKEDOWN() +#endif + + +static drm_device_t DRM(device); + +static struct file_operations DRM(fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), + mmap: DRM(mmap), + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), +}; + +static struct miscdevice DRM(misc) = { + minor: MISC_DYNAMIC_MINOR, + name: DRIVER_NAME, + fops: &DRM(fops), +}; + +#ifdef MODULE +static char *drm_opts = NULL; +#endif + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_PARM( drm_opts, "s" ); + +#ifndef MODULE +/* DRM(options) is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ + +static int __init DRM(options)( char *str ) +{ + DRM(parse_options)( str ); + return 1; +} + +__setup( DRIVER_NAME "=", DRM(options) ); +#endif + +static int DRM(setup)( drm_device_t *dev ) +{ + int i; + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + +#if __HAVE_DMA + i = DRM(dma_setup)( dev ); + if ( i < 0 ) + return i; +#endif + + atomic_set( &dev->total_open, 0 ); + atomic_set( &dev->total_close, 0 ); + atomic_set( &dev->total_ioctl, 0 ); + atomic_set( &dev->total_irq, 0 ); + atomic_set( &dev->total_ctx, 0 ); + atomic_set( &dev->total_locks, 0 ); + atomic_set( &dev->total_unlocks, 0 ); + atomic_set( &dev->total_contends, 0 ); + atomic_set( &dev->total_sleeps, 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer( &dev->timer ); + init_waitqueue_head( &dev->context_wait ); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + return 0; +} + + +static int DRM(takedown)( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + DRIVER_PRETAKEDOWN(); +#if __HAVE_DMA_IRQ + if ( dev->irq ) DRM(irq_uninstall)( dev ); +#endif + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + if ( dev->devname ) { + DRM(free)( dev->devname, strlen( dev->devname ) + 1, + DRM_MEM_DRIVER ); + dev->devname = NULL; + } + + if ( dev->unique ) { + DRM(free)( dev->unique, strlen( dev->unique ) + 1, + DRM_MEM_DRIVER ); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + +#if __REALLY_HAVE_AGP + /* Clear AGP information */ + if ( dev->agp ) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) DRM(unbind_agp)( entry->memory ); + DRM(free_agp)( entry->memory, entry->pages ); + DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) DRM(agp_do_release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if ( dev->maplist ) { + for ( i = 0 ; i < dev->map_count ; i++ ) { + map = dev->maplist[i]; + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if __REALLY_HAVE_MTRR + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } +#endif + DRM(ioremapfree)( map->handle, map->size ); + break; + case _DRM_SHM: + DRM(free_pages)( (unsigned long)map->handle, + DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + } + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + } + DRM(free)( dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + dev->maplist = NULL; + dev->map_count = 0; + } + +#if HAVE_DMA_QUEUE || HAVE_MULTIPLE_DMA_QUEUES + if ( dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist ); + if ( dev->queuelist[i] ) { + DRM(free)( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + DRM(free)( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } +#endif + +#if __HAVE_DMA + DRM(dma_takedown)( dev ); +#endif + + dev->queue_count = 0; + if ( dev->lock.hw_lock ) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + +/* drm_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + */ +static int __init drm_init( void ) +{ + int retcode; + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + memset( (void *)dev, 0, sizeof(*dev) ); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init( &dev->struct_sem, 1 ); + +#ifdef MODULE + DRM(parse_options)( drm_opts ); +#endif + DRIVER_PREINIT(); + + retcode = misc_register( &DRM(misc) ); + if ( retcode ) { + DRM_ERROR( "Cannot register \"%s\"\n", DRIVER_NAME ); + return retcode; + } + dev->device = MKDEV( MISC_MAJOR, DRM(misc).minor ); + dev->name = DRIVER_NAME; + + DRM(mem_init)(); + DRM(proc_init)( dev ); + +#if __REALLY_HAVE_AGP + dev->agp = DRM(agp_init)(); +#if __MUST_HAVE_AGP + if ( dev->agp == NULL ) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + DRM(proc_cleanup)(); + misc_deregister( &DRM(misc) ); + DRM(takedown)( dev ); + return -ENOMEM; + } +#endif +#if __REALLY_HAVE_MTRR + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); +#endif +#endif + +#if __HAVE_CTX_BITMAP + retcode = DRM(ctxbitmap_init)( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + DRM(proc_cleanup)(); + misc_deregister( &DRM(misc) ); + DRM(takedown)( dev ); + return retcode; + } +#endif + + DRIVER_POSTINIT(); + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + DRM(misc).minor ); + + return 0; +} + +/* drm_cleanup is called via cleanup_module at module unload time. + */ +static void __exit drm_cleanup( void ) +{ + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + DRM(proc_cleanup)(); + if ( misc_deregister( &DRM(misc) ) ) { + DRM_ERROR( "Cannot unload module\n" ); + } else { + DRM_INFO( "Module unloaded\n" ); + } +#if __HAVE_CTX_BITMAP + DRM(ctxbitmap_cleanup)( dev ); +#endif + +#if __REALLY_HAVE_MTRR + if ( dev->agp && dev->agp->agp_mtrr ) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } +#endif + + DRM(takedown)( dev ); + +#if __REALLY_HAVE_AGP + if ( dev->agp ) { + DRM(agp_uninit)(); + DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } +#endif +} + +module_init( drm_init ); +module_exit( drm_cleanup ); + + +int DRM(version)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_version_t version; + int len; + + if ( copy_from_user( &version, + (drm_version_t *)arg, + sizeof(version) ) ) + return -EFAULT; + +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + + version.version_major = DRIVER_MAJOR; + version.version_minor = DRIVER_MINOR; + version.version_patchlevel = DRIVER_PATCHLEVEL; + + DRM_COPY( version.name, DRIVER_NAME ); + DRM_COPY( version.date, DRIVER_DATE ); + DRM_COPY( version.desc, DRIVER_DESC ); + + if ( copy_to_user( (drm_version_t *)arg, + &version, + sizeof(version) ) ) + return -EFAULT; + return 0; +} + +int DRM(open)( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = &DRM(device); + int retcode = 0; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + retcode = DRM(open_helper)( inode, filp, dev ); + if ( !retcode ) { +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->total_open ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return DRM(setup)( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} + +int DRM(release)( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count ); + + if ( dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.pid == current->pid ) { + DRM_ERROR( "Process %d dead, freeing lock for context %d\n", + current->pid, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); +#if __HAVE_DRIVER_RELEASE + DRIVER_RELEASE(); +#endif + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } +#if __HAVE_DRIVER_RELEASE + else if ( dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.pid = priv->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->total_locks ); + break; /* Got lock */ + } + /* Contention */ + atomic_inc( &dev->total_sleeps ); + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + DRIVER_RELEASE(); + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } +#else + DRM(reclaim_buffers)( dev, priv->pid ); +#endif + + DRM(fasync)( -1, filp, 0 ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->total_close ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return DRM(takedown)( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + return retcode; +} + +/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm. + */ +int DRM(ioctl)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + int nr = DRM_IOCTL_NR(cmd); + int retcode = 0; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->total_ioctl ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%x, auth=%d\n", + current->pid, cmd, nr, dev->device, priv->authenticated ); + + if ( nr >= DRIVER_IOCTL_COUNT ) { + retcode = -EINVAL; + } else { + ioctl = &DRM(ioctls)[nr]; + func = ioctl->func; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + } + + atomic_dec( &dev->ioctl_count ); + return retcode; +} + +int DRM(lock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; +#if __HAVE_MULTIPLE_DMA_QUEUES + drm_queue_t *q; +#endif +#if DRM_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + +#if __HAVE_DMA_QUEUE + if ( lock.context < 0 ) + return -EINVAL; +#elif __HAVE_MULTIPLE_DMA_QUEUES + if ( lock.context < 0 || lock.context >= dev->queue_count ) + return -EINVAL; + q = dev->queuelist[lock.context]; +#endif + +#if __HAVE_DMA_FLUSH + ret = drm_flush_block_and_flush( dev, lock.context, lock.flags ); +#endif + if ( !ret ) { + /* FIXME: do gamma stuff??? + */ + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->total_locks ); +#if __HAVE_MULTIPLE_DMA_QUEUES + atomic_inc( &q->total_locks ); +#endif + break; /* Got lock */ + } + + /* Contention */ + atomic_inc( &dev->total_sleeps ); + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + } + +#if __HAVE_DMA_FLUSH + DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */ +#endif + + if ( !ret ) { + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( DRM(notifier), + &dev->sigdata, &dev->sigmask ); + +#if __HAVE_DMA_READY + if ( lock.flags & _DRM_LOCK_READY ) { + DRIVER_DMA_READY(); + } +#endif +#if __HAVE_DMA_QUIESCENT + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + DRIVER_DMA_QUIESCENT(); + } +#endif + } + + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + +#if DRM_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]); +#endif + return ret; +} + + +int DRM(unlock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->total_unlocks ); + if ( _DRM_LOCK_IS_CONT( dev->lock.hw_lock->lock ) ) + atomic_inc( &dev->total_contends ); + + DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); +#if __HAVE_DMA_SCHEDULE + DRM(dma_schedule)( dev, 1 ); +#endif + + /* FIXME: Do we ever really need to check this??? + */ + if ( 1 /* !dev->context_flag */ ) { + if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} diff --git a/linux/drm_fops.h b/linux/drm_fops.h new file mode 100644 index 00000000..4963af82 --- /dev/null +++ b/linux/drm_fops.h @@ -0,0 +1,252 @@ +/* drm_fops.h -- File operations for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Daryll Strauss <daryll@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" +#include <linux/poll.h> + +/* drm_open is called whenever a process opens /dev/drm. */ + +int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) +{ + kdev_t minor = MINOR(inode->i_rdev); + drm_file_t *priv; + + if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ + if (!DRM(cpu_valid)()) return -EINVAL; + + DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); + + priv = DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); + memset(priv, 0, sizeof(*priv)); + filp->private_data = priv; + priv->uid = current->euid; + priv->pid = current->pid; + priv->minor = minor; + priv->dev = dev; + priv->ioctl_count = 0; + priv->authenticated = capable(CAP_SYS_ADMIN); + + down(&dev->struct_sem); + if (!dev->file_last) { + priv->next = NULL; + priv->prev = NULL; + dev->file_first = priv; + dev->file_last = priv; + } else { + priv->next = NULL; + priv->prev = dev->file_last; + dev->file_last->next = priv; + dev->file_last = priv; + } + up(&dev->struct_sem); + + return 0; +} + +int DRM(flush)(struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count); + return 0; +} + +#if 0 +/* drm_release is called whenever a process closes /dev/drm*. Linux calls + this only if any mappings have been closed. */ + +int drm_release(struct inode *inode, struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count); + + if (dev->lock.hw_lock + && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) + && dev->lock.pid == current->pid) { + DRM_ERROR("Process %d dead, freeing lock for context %d\n", + current->pid, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); + drm_lock_free(dev, + &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } + drm_reclaim_buffers(dev, priv->pid); + + drm_fasync(-1, filp, 0); + + down(&dev->struct_sem); + if (priv->prev) priv->prev->next = priv->next; + else dev->file_first = priv->next; + if (priv->next) priv->next->prev = priv->prev; + else dev->file_last = priv->prev; + up(&dev->struct_sem); + + drm_free(priv, sizeof(*priv), DRM_MEM_FILES); + + return 0; +} +#endif + +int DRM(fasync)(int fd, struct file *filp, int on) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device); + retcode = fasync_helper(fd, filp, on, &dev->buf_async); + if (retcode < 0) return retcode; + return 0; +} + + +/* The drm_read and drm_write_string code (especially that which manages + the circular buffer), is based on Alessandro Rubini's LINUX DEVICE + DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ + +ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int left; + int avail; + int send; + int cur; + + DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); + + while (dev->buf_rp == dev->buf_wp) { + DRM_DEBUG(" sleeping\n"); + if (filp->f_flags & O_NONBLOCK) { + return -EAGAIN; + } + interruptible_sleep_on(&dev->buf_readers); + if (signal_pending(current)) { + DRM_DEBUG(" interrupted\n"); + return -ERESTARTSYS; + } + DRM_DEBUG(" awake\n"); + } + + left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + avail = DRM_BSZ - left; + send = DRM_MIN(avail, count); + + while (send) { + if (dev->buf_wp > dev->buf_rp) { + cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp); + } else { + cur = DRM_MIN(send, dev->buf_end - dev->buf_rp); + } + if (copy_to_user(buf, dev->buf_rp, cur)) + return -EFAULT; + dev->buf_rp += cur; + if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; + send -= cur; + } + + wake_up_interruptible(&dev->buf_writers); + return DRM_MIN(avail, count);; +} + +int DRM(write_string)(drm_device_t *dev, const char *s) +{ + int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + int send = strlen(s); + int count; + + DRM_DEBUG("%d left, %d to send (%p, %p)\n", + left, send, dev->buf_rp, dev->buf_wp); + + if (left == 1 || dev->buf_wp != dev->buf_rp) { + DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", + left, + dev->buf_wp, + dev->buf_rp); + } + + while (send) { + if (dev->buf_wp >= dev->buf_rp) { + count = DRM_MIN(send, dev->buf_end - dev->buf_wp); + if (count == left) --count; /* Leave a hole */ + } else { + count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1); + } + strncpy(dev->buf_wp, s, count); + dev->buf_wp += count; + if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf; + send -= count; + } + +#if LINUX_VERSION_CODE < 0x020315 && !defined(KILLFASYNCHASTHREEPARAMETERS) + /* The extra parameter to kill_fasync was added in 2.3.21, and is + _not_ present in _stock_ 2.2.14 and 2.2.15. However, some + distributions patch 2.2.x kernels to add this parameter. The + Makefile.linux attempts to detect this addition and defines + KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */ + if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO); +#else + + /* Parameter added in 2.3.21. */ +#if LINUX_VERSION_CODE < 0x020400 + if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN); +#else + /* Type of first parameter changed in + Linux 2.4.0-test2... */ + if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN); +#endif +#endif + DRM_DEBUG("waking\n"); + wake_up_interruptible(&dev->buf_readers); + return 0; +} + +unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + poll_wait(filp, &dev->buf_readers, wait); + if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM; + return 0; +} diff --git a/linux/drm_init.h b/linux/drm_init.h new file mode 100644 index 00000000..1668efa2 --- /dev/null +++ b/linux/drm_init.h @@ -0,0 +1,112 @@ +/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(flags) = 0; + +/* drm_parse_option parses a single option. See description for + * drm_parse_options for details. + */ +static void DRM(parse_option)(char *s) +{ + char *c, *r; + + DRM_DEBUG("\"%s\"\n", s); + if (!s || !*s) return; + for (c = s; *c && *c != ':'; c++); /* find : or \0 */ + if (*c) r = c + 1; else r = NULL; /* remember remainder */ + *c = '\0'; /* terminate */ + if (!strcmp(s, "noctx")) { + DRM(flags) |= DRM_FLAG_NOCTX; + DRM_INFO("Server-mediated context switching OFF\n"); + return; + } + if (!strcmp(s, "debug")) { + DRM(flags) |= DRM_FLAG_DEBUG; + DRM_INFO("Debug messages ON\n"); + return; + } + DRM_ERROR("\"%s\" is not a valid option\n", s); + return; +} + +/* drm_parse_options parse the insmod "drm=" options, or the command-line + * options passed to the kernel via LILO. The grammar of the format is as + * follows: + * + * drm ::= 'drm=' option_list + * option_list ::= option [ ';' option_list ] + * option ::= 'device:' major + * | 'debug' + * | 'noctx' + * major ::= INTEGER + * + * Note that 's' contains option_list without the 'drm=' part. + * + * device=major,minor specifies the device number used for /dev/drm + * if major == 0 then the misc device is used + * if major == 0 and minor == 0 then dynamic misc allocation is used + * debug=on specifies that debugging messages will be printk'd + * debug=trace specifies that each function call will be logged via printk + * debug=off turns off all debugging options + * + */ + +void DRM(parse_options)(char *s) +{ + char *h, *t, *n; + + DRM_DEBUG("\"%s\"\n", s ?: ""); + if (!s || !*s) return; + + for (h = t = n = s; h && *h; h = n) { + for (; *t && *t != ';'; t++); /* find ; or \0 */ + if (*t) n = t + 1; else n = NULL; /* remember next */ + *t = '\0'; /* terminate */ + DRM(parse_option)(h); /* parse */ + } +} + +/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 + * otherwise. + */ +int DRM(cpu_valid)(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h new file mode 100644 index 00000000..f772ef46 --- /dev/null +++ b/linux/drm_ioctl.h @@ -0,0 +1,99 @@ +/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_irq_busid_t p; + struct pci_dev *dev; + + if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p))) + return -EFAULT; + dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum)); + if (dev) p.irq = dev->irq; + else p.irq = 0; + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + p.busnum, p.devnum, p.funcnum, p.irq); + if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p))) + return -EFAULT; + return 0; +} + +int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + if (u.unique_len >= dev->unique_len) { + if (copy_to_user(u.unique, dev->unique, dev->unique_len)) + return -EFAULT; + } + u.unique_len = dev->unique_len; + if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u))) + return -EFAULT; + return 0; +} + +int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (dev->unique_len || dev->unique) + return -EBUSY; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + + if (!u.unique_len) + return -EINVAL; + + dev->unique_len = u.unique_len; + dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER); + if (copy_from_user(dev->unique, u.unique, dev->unique_len)) + return -EFAULT; + dev->unique[dev->unique_len] = '\0'; + + dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + sprintf(dev->devname, "%s@%s", dev->name, dev->unique); + + return 0; +} diff --git a/linux/lists.c b/linux/drm_lists.h index 60e66b8f..ff22bae9 100644 --- a/linux/lists.c +++ b/linux/drm_lists.h @@ -1,5 +1,5 @@ -/* lists.c -- Buffer list handling routines -*- linux-c -*- - * Created: Mon Apr 19 20:54:22 1999 by faith@precisioninsight.com +/* drm_lists.h -- Buffer list handling routines -*- linux-c -*- + * Created: Mon Apr 19 20:54:22 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,34 +11,36 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_waitlist_create(drm_waitlist_t *bl, int count) +#if __HAVE_DMA_WAITLIST + +int DRM(waitlist_create)(drm_waitlist_t *bl, int count) { if (bl->count) return -EINVAL; - + bl->count = count; - bl->bufs = drm_alloc((bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); + bl->bufs = DRM(alloc)((bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); bl->rp = bl->bufs; bl->wp = bl->bufs; bl->end = &bl->bufs[bl->count+1]; @@ -47,12 +49,12 @@ int drm_waitlist_create(drm_waitlist_t *bl, int count) return 0; } -int drm_waitlist_destroy(drm_waitlist_t *bl) +int DRM(waitlist_destroy)(drm_waitlist_t *bl) { if (bl->rp != bl->wp) return -EINVAL; - if (bl->bufs) drm_free(bl->bufs, - (bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); + if (bl->bufs) DRM(free)(bl->bufs, + (bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); bl->count = 0; bl->bufs = NULL; bl->rp = NULL; @@ -61,8 +63,8 @@ int drm_waitlist_destroy(drm_waitlist_t *bl) return 0; } -int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf) -{ +int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf) +{ int left; unsigned long flags; @@ -76,16 +78,16 @@ int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf) buf->time_queued = get_cycles(); #endif buf->list = DRM_LIST_WAIT; - + spin_lock_irqsave(&bl->write_lock, flags); *bl->wp = buf; if (++bl->wp >= bl->end) bl->wp = bl->bufs; spin_unlock_irqrestore(&bl->write_lock, flags); - + return 0; } -drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl) +drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl) { drm_buf_t *buf; unsigned long flags; @@ -95,14 +97,18 @@ drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl) if (bl->rp == bl->wp) { spin_unlock_irqrestore(&bl->read_lock, flags); return NULL; - } + } if (++bl->rp >= bl->end) bl->rp = bl->bufs; spin_unlock_irqrestore(&bl->read_lock, flags); - + return buf; } -int drm_freelist_create(drm_freelist_t *bl, int count) +#endif /* __HAVE_DMA_WAITLIST */ + +#if __HAVE_DMA_FREELIST + +int DRM(freelist_create)(drm_freelist_t *bl, int count) { atomic_set(&bl->count, 0); bl->next = NULL; @@ -115,14 +121,14 @@ int drm_freelist_create(drm_freelist_t *bl, int count) return 0; } -int drm_freelist_destroy(drm_freelist_t *bl) +int DRM(freelist_destroy)(drm_freelist_t *bl) { atomic_set(&bl->count, 0); bl->next = NULL; return 0; } -int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) +int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) { drm_device_dma_t *dma = dev->dma; @@ -138,15 +144,15 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) if (!bl) return 1; #if DRM_DMA_HISTOGRAM buf->time_freed = get_cycles(); - drm_histogram_compute(dev, buf); + DRM(histogram_compute)(dev, buf); #endif buf->list = DRM_LIST_FREE; - + spin_lock(&bl->lock); buf->next = bl->next; bl->next = buf; spin_unlock(&bl->lock); - + atomic_inc(&bl->count); if (atomic_read(&bl->count) > dma->buf_count) { DRM_ERROR("%d of %d buffers free after addition of %d\n", @@ -161,12 +167,12 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) return 0; } -static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) +static drm_buf_t *DRM(freelist_try)(drm_freelist_t *bl) { drm_buf_t *buf; if (!bl) return NULL; - + /* Get buffer */ spin_lock(&bl->lock); if (!bl->next) { @@ -176,7 +182,7 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) buf = bl->next; bl->next = bl->next->next; spin_unlock(&bl->lock); - + atomic_dec(&bl->count); buf->next = NULL; buf->list = DRM_LIST_NONE; @@ -184,17 +190,17 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) DRM_ERROR("Free buffer %d: w%d, p%d, l%d\n", buf->idx, buf->waiting, buf->pending, buf->list); } - + return buf; } -drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) +drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block) { drm_buf_t *buf = NULL; DECLARE_WAITQUEUE(entry, current); if (!bl || !bl->initialized) return NULL; - + /* Check for low water mark */ if (atomic_read(&bl->count) <= bl->low_mark) /* Became low */ atomic_set(&bl->wfh, 1); @@ -204,7 +210,7 @@ drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) for (;;) { current->state = TASK_INTERRUPTIBLE; if (!atomic_read(&bl->wfh) - && (buf = drm_freelist_try(bl))) break; + && (buf = DRM(freelist_try)(bl))) break; schedule(); if (signal_pending(current)) break; } @@ -213,6 +219,8 @@ drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) } return buf; } - - return drm_freelist_try(bl); + + return DRM(freelist_try)(bl); } + +#endif /* __HAVE_DMA_FREELIST */ diff --git a/linux/drm_lock.h b/linux/drm_lock.h new file mode 100644 index 00000000..1b23943a --- /dev/null +++ b/linux/drm_lock.h @@ -0,0 +1,256 @@ +/* lock.c -- IOCTLs for locking -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#ifndef HAVE_DMA_QUEUE +#define HAVE_DMA_QUEUE 0 +#endif + +int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} + +int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} + +int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + do { + old = *lock; + if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; + else new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCKING_CONTEXT(old) == context) { + if (old & _DRM_LOCK_HELD) { + if (context != DRM_KERNEL_CONTEXT) { + DRM_ERROR("%d holds heavyweight lock\n", + context); + } + return 0; + } + } + if (new == (context | _DRM_LOCK_HELD)) { + /* Have lock */ + return 1; + } + return 0; +} + +/* This takes a lock forcibly and hands it to context. Should ONLY be used + inside *_unlock to give lock to kernel before calling *_dma_schedule. */ +int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.pid = 0; + do { + old = *lock; + new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + return 1; +} + +int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + pid_t pid = dev->lock.pid; + + dev->lock.pid = 0; + do { + old = *lock; + new = 0; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { + DRM_ERROR("%d freed heavyweight lock held by %d (pid %d)\n", + context, + _DRM_LOCKING_CONTEXT(old), + pid); + return 1; + } + wake_up_interruptible(&dev->lock.lock_queue); + return 0; +} + +static int DRM(flush_queue)(drm_device_t *dev, int context) +{ + DECLARE_WAITQUEUE(entry, current); + int ret = 0; + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + atomic_inc(&q->block_write); + add_wait_queue(&q->flush_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!DRM_BUFCOUNT(&q->waitlist)) break; + schedule(); + if (signal_pending(current)) { + ret = -EINTR; /* Can't restart */ + break; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->flush_queue, &entry); + } + atomic_dec(&q->use_count); + atomic_inc(&q->total_flushed); + + /* NOTE: block_write is still incremented! + Use drm_flush_unlock_queue to decrement. */ + return ret; +} + +static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) +{ + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + if (atomic_read(&q->block_write)) { + atomic_dec(&q->block_write); + wake_up_interruptible(&q->write_queue); + } + } + atomic_dec(&q->use_count); + return 0; +} + +int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_queue)(dev, i); + } + } + return ret; +} + +int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_unblock_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_unblock_queue)(dev, i); + } + } + + return ret; +} + +int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int ret = 0; + drm_lock_t lock; + + DRM_DEBUG("\n"); + + if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) + return -EFAULT; + ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); + DRM(flush_unblock)(dev, lock.context, lock.flags); + return ret; +} + +/* If we get here, it means that the process has called DRM_IOCTL_LOCK + without calling DRM_IOCTL_UNLOCK. + + If the lock is not held, then let the signal proceed as usual. + + If the lock is held, then set the contended flag and keep the signal + blocked. + + + Return 1 if the signal should be delivered normally. + Return 0 if the signal should be blocked. */ + +int DRM(notifier)(void *priv) +{ + drm_sigdata_t *s = (drm_sigdata_t *)priv; + unsigned int old, new, prev; + + + /* Allow signal delivery if lock isn't held */ + if (!_DRM_LOCK_IS_HELD(s->lock->lock) + || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; + + /* Otherwise, set flag to force call to + drmUnlock */ + do { + old = s->lock->lock; + new = old | _DRM_LOCK_CONT; + prev = cmpxchg(&s->lock->lock, old, new); + } while (prev != old); + return 0; +} diff --git a/linux/drm_memory.h b/linux/drm_memory.h new file mode 100644 index 00000000..e8fed66f --- /dev/null +++ b/linux/drm_memory.h @@ -0,0 +1,450 @@ +/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*- + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include <linux/config.h> +#include "drmP.h" +#include <linux/wrapper.h> + +typedef struct drm_mem_stats { + const char *name; + int succeed_count; + int free_count; + int fail_count; + unsigned long bytes_allocated; + unsigned long bytes_freed; +} drm_mem_stats_t; + +static spinlock_t drm_mem_lock = SPIN_LOCK_UNLOCKED; +static unsigned long drm_ram_available = 0; /* In pages */ +static unsigned long drm_ram_used = 0; +static drm_mem_stats_t drm_mem_stats[] = { + [DRM_MEM_DMA] = { "dmabufs" }, + [DRM_MEM_SAREA] = { "sareas" }, + [DRM_MEM_DRIVER] = { "driver" }, + [DRM_MEM_MAGIC] = { "magic" }, + [DRM_MEM_IOCTLS] = { "ioctltab" }, + [DRM_MEM_MAPS] = { "maplist" }, + [DRM_MEM_VMAS] = { "vmalist" }, + [DRM_MEM_BUFS] = { "buflist" }, + [DRM_MEM_SEGS] = { "seglist" }, + [DRM_MEM_PAGES] = { "pagelist" }, + [DRM_MEM_FILES] = { "files" }, + [DRM_MEM_QUEUES] = { "queues" }, + [DRM_MEM_CMDS] = { "commands" }, + [DRM_MEM_MAPPINGS] = { "mappings" }, + [DRM_MEM_BUFLISTS] = { "buflists" }, + [DRM_MEM_AGPLISTS] = { "agplist" }, + [DRM_MEM_TOTALAGP] = { "totalagp" }, + [DRM_MEM_BOUNDAGP] = { "boundagp" }, + [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, + { NULL, 0, } /* Last entry must be null */ +}; + +void DRM(mem_init)(void) +{ + drm_mem_stats_t *mem; + struct sysinfo si; + + for (mem = drm_mem_stats; mem->name; ++mem) { + mem->succeed_count = 0; + mem->free_count = 0; + mem->fail_count = 0; + mem->bytes_allocated = 0; + mem->bytes_freed = 0; + } + + si_meminfo(&si); +#if LINUX_VERSION_CODE < 0x020317 + /* Changed to page count in 2.3.23 */ + drm_ram_available = si.totalram >> PAGE_SHIFT; +#else + drm_ram_available = si.totalram; +#endif + drm_ram_used = 0; +} + +/* drm_mem_info is called whenever a process reads /dev/drm/mem. */ + +static int _drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + drm_mem_stats_t *pt; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT(" total counts " + " | outstanding \n"); + DRM_PROC_PRINT("type alloc freed fail bytes freed" + " | allocs bytes\n\n"); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "system", 0, 0, 0, + drm_ram_available << (PAGE_SHIFT - 10)); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "locked", 0, 0, 0, drm_ram_used >> 10); + DRM_PROC_PRINT("\n"); + for (pt = drm_mem_stats; pt->name; pt++) { + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", + pt->name, + pt->succeed_count, + pt->free_count, + pt->fail_count, + pt->bytes_allocated, + pt->bytes_freed, + pt->succeed_count - pt->free_count, + (long)pt->bytes_allocated + - (long)pt->bytes_freed); + } + + return len; +} + +int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + int ret; + + spin_lock(&drm_mem_lock); + ret = _drm_mem_info(buf, start, offset, len, eof, data); + spin_unlock(&drm_mem_lock); + return ret; +} + +void *DRM(alloc)(size_t size, int area) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); + return NULL; + } + + if (!(pt = kmalloc(size, GFP_KERNEL))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += size; + spin_unlock(&drm_mem_lock); + return pt; +} + +void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = DRM(alloc)(size, area))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + DRM(free)(oldpt, oldsize, area); + } + return pt; +} + +char *DRM(strdup)(const char *s, int area) +{ + char *pt; + int length = s ? strlen(s) : 0; + + if (!(pt = DRM(alloc)(length+1, area))) return NULL; + strcpy(pt, s); + return pt; +} + +void DRM(strfree)(const char *s, int area) +{ + unsigned int size; + + if (!s) return; + + size = 1 + (s ? strlen(s) : 0); + DRM(free)((void *)s, size, area); +} + +void DRM(free)(void *pt, size_t size, int area) +{ + int alloc_count; + int free_count; + + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); + else kfree(pt); + spin_lock(&drm_mem_lock); + drm_mem_stats[area].bytes_freed += size; + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +unsigned long DRM(alloc_pages)(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + spin_lock(&drm_mem_lock); + if ((drm_ram_used >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * drm_ram_available) / 100) { + spin_unlock(&drm_mem_lock); + return 0; + } + spin_unlock(&drm_mem_lock); + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); + return 0; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += bytes; + drm_ram_used += bytes; + spin_unlock(&drm_mem_lock); + + + /* Zero outside the lock */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_reserve(virt_to_page(addr)); +#else + mem_map_reserve(MAP_NR(addr)); +#endif + } + + return address; +} + +void DRM(free_pages)(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + int alloc_count; + int free_count; + unsigned long addr; + unsigned int sz; + + if (!address) { + DRM_MEM_ERROR(area, "Attempt to free address 0\n"); + } else { + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_unreserve(virt_to_page(addr)); +#else + mem_map_unreserve(MAP_NR(addr)); +#endif + } + free_pages(address, order); + } + + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_freed += bytes; + drm_ram_used -= bytes; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +void *DRM(ioremap)(unsigned long offset, unsigned long size) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = ioremap(offset, size))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&drm_mem_lock); + return pt; +} + +void DRM(ioremapfree)(void *pt, unsigned long size) +{ + int alloc_count; + int free_count; + + if (!pt) + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Attempt to free NULL pointer\n"); + else + iounmap(pt); + + spin_lock(&drm_mem_lock); + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; + alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + +agp_memory *DRM(alloc_agp)(int pages, u32 type) +{ + agp_memory *handle; + + if (!pages) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); + return NULL; + } + + if ((handle = DRM(agp_allocate_memory)(pages, type))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated + += pages << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + return handle; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; +} + +int DRM(free_agp)(agp_memory *handle, int pages) +{ + int alloc_count; + int free_count; + int retval = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Attempt to free NULL AGP handle\n"); + return retval;; + } + + if (DRM(agp_free_memory)(handle)) { + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed + += pages << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return 0; + } + return retval; +} + +int DRM(bind_agp)(agp_memory *handle, unsigned int start) +{ + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to bind NULL AGP handle\n"); + return retcode; + } + + if (!(retcode = DRM(agp_bind_memory)(handle, start))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated + += handle->page_count << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + return retcode; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&drm_mem_lock); + return retcode; +} + +int DRM(unbind_agp)(agp_memory *handle) +{ + int alloc_count; + int free_count; + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to unbind NULL AGP handle\n"); + return retcode; + } + + if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed + += handle->page_count << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return retcode; +} + +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/drm_proc.h b/linux/drm_proc.h new file mode 100644 index 00000000..468115fa --- /dev/null +++ b/linux/drm_proc.h @@ -0,0 +1,578 @@ +/* drm_proc.h -- /proc support for DRM -*- linux-c -*- + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +static struct proc_dir_entry *drm_root = NULL; +static struct proc_dir_entry *drm_dev_root = NULL; +static char drm_slot_name[64]; + +static int drm_name_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +static int drm_vm_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +static int drm_clients_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +static int drm_queues_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +static int drm_bufs_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +#if DRM_DEBUG_CODE +static int drm_vma_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +#endif +#if DRM_DMA_HISTOGRAM +static int drm_histo_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data); +#endif + +struct drm_proc_list { + const char *name; + int (*f)(char *, char **, off_t, int, int *, void *); +} drm_proc_list[] = { + { "name", drm_name_info }, + { "mem", DRM(mem_info) }, + { "vm", drm_vm_info }, + { "clients", drm_clients_info }, + { "queues", drm_queues_info }, + { "bufs", drm_bufs_info }, +#if DRM_DEBUG_CODE + { "vma", drm_vma_info }, +#endif +#if DRM_DMA_HISTOGRAM + { "histo", drm_histo_info }, +#endif +}; +#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) + +int DRM(proc_init)(drm_device_t *dev) +{ + struct proc_dir_entry *ent; + int i, j; + + drm_root = create_proc_entry("dri", S_IFDIR, NULL); + if (!drm_root) { + DRM_ERROR("Cannot create /proc/dri\n"); + return -1; + } + + /* Instead of doing this search, we should + add some global support for /proc/dri. */ + for (i = 0; i < 8; i++) { + sprintf(drm_slot_name, "dri/%d", i); + drm_dev_root = create_proc_entry(drm_slot_name, S_IFDIR, NULL); + if (!drm_dev_root) { + DRM_ERROR("Cannot create /proc/%s\n", drm_slot_name); + remove_proc_entry("dri", NULL); + } + if (drm_dev_root->nlink == 2) break; + drm_dev_root = NULL; + } + if (!drm_dev_root) { + DRM_ERROR("Cannot find slot in /proc/dri\n"); + return -1; + } + + for (i = 0; i < DRM_PROC_ENTRIES; i++) { + ent = create_proc_entry(drm_proc_list[i].name, + S_IFREG|S_IRUGO, drm_dev_root); + if (!ent) { + DRM_ERROR("Cannot create /proc/%s/%s\n", + drm_slot_name, drm_proc_list[i].name); + for (j = 0; j < i; j++) + remove_proc_entry(drm_proc_list[i].name, + drm_dev_root); + remove_proc_entry(drm_slot_name, NULL); + remove_proc_entry("dri", NULL); + return -1; + } + ent->read_proc = drm_proc_list[i].f; + ent->data = dev; + } + + return 0; +} + + +int DRM(proc_cleanup)(void) +{ + int i; + + if (drm_root) { + if (drm_dev_root) { + for (i = 0; i < DRM_PROC_ENTRIES; i++) { + remove_proc_entry(drm_proc_list[i].name, + drm_dev_root); + } + remove_proc_entry(drm_slot_name, NULL); + } + remove_proc_entry("dri", NULL); + remove_proc_entry(DRM_NAME, NULL); + } + drm_root = drm_dev_root = NULL; + return 0; +} + +static int drm_name_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + + if (dev->unique) { + DRM_PROC_PRINT("%s 0x%x %s\n", + dev->name, dev->device, dev->unique); + } else { + DRM_PROC_PRINT("%s 0x%x\n", dev->name, dev->device); + } + return len; +} + +static int _drm_vm_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + drm_map_t *map; + /* Hardcoded from _DRM_FRAME_BUFFER, + _DRM_REGISTERS, _DRM_SHM, and + _DRM_AGP. */ + const char *types[] = { "FB", "REG", "SHM", "AGP" }; + const char *type; + int i; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT("slot offset size type flags " + "address mtrr\n\n"); + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + if (map->type < 0 || map->type > 3) type = "??"; + else type = types[map->type]; + DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + i, + map->offset, + map->size, + type, + map->flags, + (unsigned long)map->handle); + if (map->mtrr < 0) { + DRM_PROC_PRINT("none\n"); + } else { + DRM_PROC_PRINT("%4d\n", map->mtrr); + } + } + + return len; +} + +static int drm_vm_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_vm_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} + + +static int _drm_queues_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int i; + drm_queue_t *q; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT(" ctx/flags use fin" + " blk/rw/rwf wait flushed queued" + " locks\n\n"); + for (i = 0; i < dev->queue_count; i++) { + q = dev->queuelist[i]; + atomic_inc(&q->use_count); + DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), + "%5d/0x%03x %5d %5d" + " %5d/%c%c/%c%c%c %5Zd %10d %10d %10d\n", + i, + q->flags, + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count), + atomic_read(&q->block_read) ? 'r' : '-', + atomic_read(&q->block_write) ? 'w' : '-', + waitqueue_active(&q->read_queue) ? 'r':'-', + waitqueue_active(&q->write_queue) ? 'w':'-', + waitqueue_active(&q->flush_queue) ? 'f':'-', + DRM_BUFCOUNT(&q->waitlist), + atomic_read(&q->total_flushed), + atomic_read(&q->total_queued), + atomic_read(&q->total_locks)); + atomic_dec(&q->use_count); + } + + return len; +} + +static int drm_queues_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_queues_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} + +/* drm_bufs_info is called whenever a process reads + /dev/drm/<dev>/bufs. */ + +static int _drm_bufs_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return 0; + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].buf_count) + DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", + i, + dma->bufs[i].buf_size, + dma->bufs[i].buf_count, + atomic_read(&dma->bufs[i] + .freelist.count), + dma->bufs[i].seg_count, + dma->bufs[i].seg_count + *(1 << dma->bufs[i].page_order), + (dma->bufs[i].seg_count + * (1 << dma->bufs[i].page_order)) + * PAGE_SIZE / 1024); + } + DRM_PROC_PRINT("\n"); + for (i = 0; i < dma->buf_count; i++) { + if (i && !(i%32)) DRM_PROC_PRINT("\n"); + DRM_PROC_PRINT(" %d", dma->buflist[i]->list); + } + DRM_PROC_PRINT("\n"); + + return len; +} + +static int drm_bufs_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_bufs_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} + + +static int _drm_clients_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + drm_file_t *priv; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); + for (priv = dev->file_first; priv; priv = priv->next) { + DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", + priv->authenticated ? 'y' : 'n', + priv->minor, + priv->pid, + priv->uid, + priv->magic, + priv->ioctl_count); + } + + return len; +} + +static int drm_clients_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_clients_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} + +#if DRM_DEBUG_CODE + +#define DRM_VMA_VERBOSE 0 + +static int _drm_vma_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + drm_vma_entry_t *pt; + struct vm_area_struct *vma; +#if DRM_VMA_VERBOSE + unsigned long i; + unsigned long address; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; +#endif +#if defined(__i386__) + unsigned int pgprot; +#endif + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", + atomic_read(&dev->vma_count), + high_memory, virt_to_phys(high_memory)); + for (pt = dev->vmalist; pt; pt = pt->next) { + if (!(vma = pt->vma)) continue; + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + pt->pid, + vma->vm_start, + vma->vm_end, + vma->vm_flags & VM_READ ? 'r' : '-', + vma->vm_flags & VM_WRITE ? 'w' : '-', + vma->vm_flags & VM_EXEC ? 'x' : '-', + vma->vm_flags & VM_MAYSHARE ? 's' : 'p', + vma->vm_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', + VM_OFFSET(vma)); + +#if defined(__i386__) + pgprot = pgprot_val(vma->vm_page_prot); + DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", + pgprot & _PAGE_PRESENT ? 'p' : '-', + pgprot & _PAGE_RW ? 'w' : 'r', + pgprot & _PAGE_USER ? 'u' : 's', + pgprot & _PAGE_PWT ? 't' : 'b', + pgprot & _PAGE_PCD ? 'u' : 'c', + pgprot & _PAGE_ACCESSED ? 'a' : '-', + pgprot & _PAGE_DIRTY ? 'd' : '-', + pgprot & _PAGE_PSE ? 'm' : 'k', + pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); +#endif + DRM_PROC_PRINT("\n"); +#if 0 + for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) { + pgd = pgd_offset(vma->vm_mm, i); + pmd = pmd_offset(pgd, i); + pte = pte_offset(pmd, i); + if (pte_present(*pte)) { + address = __pa(pte_page(*pte)) + + (i & (PAGE_SIZE-1)); + DRM_PROC_PRINT(" 0x%08lx -> 0x%08lx" + " %c%c%c%c%c\n", + i, + address, + pte_read(*pte) ? 'r' : '-', + pte_write(*pte) ? 'w' : '-', + pte_exec(*pte) ? 'x' : '-', + pte_dirty(*pte) ? 'd' : '-', + pte_young(*pte) ? 'a' : '-' ); + } else { + DRM_PROC_PRINT(" 0x%08lx\n", i); + } + } +#endif + } + + return len; +} + +static int drm_vma_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_vma_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif + + +#if DRM_DMA_HISTOGRAM +static int _drm_histo_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + drm_device_dma_t *dma = dev->dma; + int i; + unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL; + unsigned long prev_value = 0; + drm_buf_t *buffer; + + if (offset > 0) return 0; /* no partial requests */ + len = 0; + *eof = 1; + + DRM_PROC_PRINT("general statistics:\n"); + DRM_PROC_PRINT("total %10u\n", atomic_read(&dev->histo.total)); + DRM_PROC_PRINT("open %10u\n", atomic_read(&dev->total_open)); + DRM_PROC_PRINT("close %10u\n", atomic_read(&dev->total_close)); + DRM_PROC_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl)); + DRM_PROC_PRINT("irq %10u\n", atomic_read(&dev->total_irq)); + DRM_PROC_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx)); + + DRM_PROC_PRINT("\nlock statistics:\n"); + DRM_PROC_PRINT("locks %10u\n", atomic_read(&dev->total_locks)); + DRM_PROC_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks)); + DRM_PROC_PRINT("contends %10u\n", atomic_read(&dev->total_contends)); + DRM_PROC_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps)); + + + if (dma) { + DRM_PROC_PRINT("\ndma statistics:\n"); + DRM_PROC_PRINT("prio %10u\n", + atomic_read(&dma->total_prio)); + DRM_PROC_PRINT("bytes %10u\n", + atomic_read(&dma->total_bytes)); + DRM_PROC_PRINT("dmas %10u\n", + atomic_read(&dma->total_dmas)); + DRM_PROC_PRINT("missed:\n"); + DRM_PROC_PRINT(" dma %10u\n", + atomic_read(&dma->total_missed_dma)); + DRM_PROC_PRINT(" lock %10u\n", + atomic_read(&dma->total_missed_lock)); + DRM_PROC_PRINT(" free %10u\n", + atomic_read(&dma->total_missed_free)); + DRM_PROC_PRINT(" sched %10u\n", + atomic_read(&dma->total_missed_sched)); + DRM_PROC_PRINT("tried %10u\n", + atomic_read(&dma->total_tried)); + DRM_PROC_PRINT("hit %10u\n", + atomic_read(&dma->total_hit)); + DRM_PROC_PRINT("lost %10u\n", + atomic_read(&dma->total_lost)); + + buffer = dma->next_buffer; + if (buffer) { + DRM_PROC_PRINT("next_buffer %7d\n", buffer->idx); + } else { + DRM_PROC_PRINT("next_buffer none\n"); + } + buffer = dma->this_buffer; + if (buffer) { + DRM_PROC_PRINT("this_buffer %7d\n", buffer->idx); + } else { + DRM_PROC_PRINT("this_buffer none\n"); + } + } + + + DRM_PROC_PRINT("\nvalues:\n"); + if (dev->lock.hw_lock) { + DRM_PROC_PRINT("lock 0x%08x\n", + dev->lock.hw_lock->lock); + } else { + DRM_PROC_PRINT("lock none\n"); + } + DRM_PROC_PRINT("context_flag 0x%08lx\n", dev->context_flag); + DRM_PROC_PRINT("interrupt_flag 0x%08lx\n", dev->interrupt_flag); + DRM_PROC_PRINT("dma_flag 0x%08lx\n", dev->dma_flag); + + DRM_PROC_PRINT("queue_count %10d\n", dev->queue_count); + DRM_PROC_PRINT("last_context %10d\n", dev->last_context); + DRM_PROC_PRINT("last_switch %10lu\n", dev->last_switch); + DRM_PROC_PRINT("last_checked %10d\n", dev->last_checked); + + + DRM_PROC_PRINT("\n q2d d2c c2f" + " q2c q2f dma sch" + " ctx lacq lhld\n\n"); + for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) { + DRM_PROC_PRINT("%s %10lu %10u %10u %10u %10u %10u" + " %10u %10u %10u %10u %10u\n", + i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ", + i == DRM_DMA_HISTOGRAM_SLOTS - 1 + ? prev_value : slot_value , + + atomic_read(&dev->histo + .queued_to_dispatched[i]), + atomic_read(&dev->histo + .dispatched_to_completed[i]), + atomic_read(&dev->histo + .completed_to_freed[i]), + + atomic_read(&dev->histo + .queued_to_completed[i]), + atomic_read(&dev->histo + .queued_to_freed[i]), + atomic_read(&dev->histo.dma[i]), + atomic_read(&dev->histo.schedule[i]), + atomic_read(&dev->histo.ctx[i]), + atomic_read(&dev->histo.lacq[i]), + atomic_read(&dev->histo.lhld[i])); + prev_value = slot_value; + slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value); + } + return len; +} + +static int drm_histo_info(char *buf, char **start, off_t offset, int len, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = _drm_histo_info(buf, start, offset, len, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif diff --git a/linux/drm_vm.h b/linux/drm_vm.h new file mode 100644 index 00000000..3b8b6c75 --- /dev/null +++ b/linux/drm_vm.h @@ -0,0 +1,370 @@ +/* drm_vm.h -- Memory mapping for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +struct vm_operations_struct drm_vm_ops = { + nopage: DRM(vm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_shm_ops = { + nopage: DRM(vm_shm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_shm_lock_ops = { + nopage: DRM(vm_shm_nopage_lock), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_dma_ops = { + nopage: DRM(vm_dma_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + return NOPAGE_SIGBUS; /* Disallow mremap */ +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ +#if LINUX_VERSION_CODE >= 0x020300 + drm_map_t *map = (drm_map_t *)vma->vm_private_data; +#else + drm_map_t *map = (drm_map_t *)vma->vm_pte; +#endif + unsigned long physical; + unsigned long offset; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!map) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + physical = (unsigned long)map->handle + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx => 0x%08lx\n", address, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + unsigned long physical; + unsigned long offset; + unsigned long page; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dev->lock.hw_lock) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + page = offset >> PAGE_SHIFT; + physical = (unsigned long)dev->lock.hw_lock + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + unsigned long physical; + unsigned long offset; + unsigned long page; + + if (!dma) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dma->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ + page = offset >> PAGE_SHIFT; + physical = dma->pagelist[page] + (offset & (~PAGE_MASK)); + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +void DRM(vm_open)(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; +#if DRM_DEBUG_CODE + drm_vma_entry_t *vma_entry; +#endif + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_inc(&dev->vma_count); +#if LINUX_VERSION_CODE < 0x020333 + /* The map can exist after the fd is closed. */ + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + + +#if DRM_DEBUG_CODE + vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS); + if (vma_entry) { + down(&dev->struct_sem); + vma_entry->vma = vma; + vma_entry->next = dev->vmalist; + vma_entry->pid = current->pid; + dev->vmalist = vma_entry; + up(&dev->struct_sem); + } +#endif +} + +void DRM(vm_close)(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; +#if DRM_DEBUG_CODE + drm_vma_entry_t *pt, *prev; +#endif + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_dec(&dev->vma_count); + +#if DRM_DEBUG_CODE + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); + break; + } + } + up(&dev->struct_sem); +#endif +} + +int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_device_dma_t *dma; + unsigned long length = vma->vm_end - vma->vm_start; + + lock_kernel(); + dev = priv->dev; + dma = dev->dma; + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + /* Length must match exact page count */ + if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { + unlock_kernel(); + return -EINVAL; + } + unlock_kernel(); + + vma->vm_ops = &drm_vm_dma_ops; + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ + +#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */ + /* In Linux 2.2.3 and above, this is + handled in do_mmap() in mm/mmap.c. */ + ++filp->f_count; +#endif + vma->vm_file = filp; /* Needed for drm_vm_open() */ + DRM(vm_open)(vma); + return 0; +} + +int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map = NULL; + int i; + + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma); + + /* A sequential search of a linked list is + fine here because: 1) there will only be + about 5-10 entries in the list and, 2) a + DRI client only has to do this mapping + once, so it doesn't have to be optimized + for performance, even if the list was a + bit longer. */ + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + if (map->offset == VM_OFFSET(vma)) break; + } + + if (i >= dev->map_count) return -EINVAL; + if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) + return -EPERM; + + /* Check for valid size. */ + if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; + + if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { + vma->vm_flags &= VM_MAYWRITE; +#if defined(__i386__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = __pgprot(pte_val(pte_wrprotect( + __pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + + switch (map->type) { + case _DRM_FRAME_BUFFER: + case _DRM_REGISTERS: + case _DRM_AGP: + if (VM_OFFSET(vma) >= __pa(high_memory)) { +#if defined(__i386__) + if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) { + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; + pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; + } +#elif defined(__ia64__) + if (map->type != _DRM_AGP) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +#endif + vma->vm_flags |= VM_IO; /* not in core dump */ + } + if (remap_page_range(vma->vm_start, + VM_OFFSET(vma), + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) + return -EAGAIN; + DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," + " offset = 0x%lx\n", + map->type, + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + vma->vm_ops = &drm_vm_ops; + break; + case _DRM_SHM: + if (map->flags & _DRM_CONTAINS_LOCK) + vma->vm_ops = &drm_vm_shm_lock_ops; + else { + vma->vm_ops = &drm_vm_shm_ops; +#if LINUX_VERSION_CODE >= 0x020300 + vma->vm_private_data = (void *)map; +#else + vma->vm_pte = (unsigned long)map; +#endif + } + + /* Don't let this area swap. Change when + DRM_KERNEL advisory is supported. */ + vma->vm_flags |= VM_LOCKED; + break; + default: + return -EINVAL; /* This should never happen. */ + } + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ + +#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */ + /* In Linux 2.2.3 and above, this is + handled in do_mmap() in mm/mmap.c. */ + ++filp->f_count; +#endif + vma->vm_file = filp; /* Needed for drm_vm_open() */ + DRM(vm_open)(vma); + return 0; +} diff --git a/linux/mga.h b/linux/mga.h new file mode 100644 index 00000000..1118410a --- /dev/null +++ b/linux/mga.h @@ -0,0 +1,47 @@ +/* mga.h -- Matrox G200/G400 DRM template customization -*- linux-c -*- + * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __MGA_H__ +#define __MGA_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) mga_##x + +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 + +#define __HAVE_MTRR 1 + +#define __HAVE_CTX_BITMAP 1 + +#define __HAVE_DMA 1 +#define __HAVE_DMA_IRQ 1 + +#endif diff --git a/linux/mga_bufs.c b/linux/mga_bufs.c deleted file mode 100644 index 05d941b4..00000000 --- a/linux/mga_bufs.c +++ /dev/null @@ -1,612 +0,0 @@ -/* mga_bufs.c -- IOCTLs to manage buffers -*- linux-c -*- - * Created: Thu Jan 6 01:47:26 2000 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "mga_drv.h" -#include "linux/un.h" - - -int mga_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - drm_buf_entry_t *entry; - drm_buf_t *buf; - unsigned long offset; - unsigned long agp_offset; - int count; - int order; - int size; - int alignment; - int page_order; - int total; - int byte_count; - int i; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - agp_offset = request.agp_start; - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - byte_count = 0; - - DRM_DEBUG("count: %d\n", count); - DRM_DEBUG("order: %d\n", order); - DRM_DEBUG("size: %d\n", size); - DRM_DEBUG("agp_offset: %ld\n", agp_offset); - DRM_DEBUG("alignment: %d\n", alignment); - DRM_DEBUG("page_order: %d\n", page_order); - DRM_DEBUG("total: %d\n", total); - DRM_DEBUG("byte_count: %d\n", byte_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->buf_size = size; - entry->page_order = page_order; - offset = 0; - - - while(entry->buf_count < count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - - buf->offset = offset; /* Hrm */ - buf->bus_address = dev->agp->base + agp_offset + offset; - buf->address = (void *)(agp_offset + offset + dev->agp->base); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; - - buf->dev_private = drm_alloc(sizeof(drm_mga_buf_priv_t), - DRM_MEM_BUFS); - buf->dev_priv_size = sizeof(drm_mga_buf_priv_t); - -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - offset = offset + alignment; - entry->buf_count++; - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - - DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); - - dma->byte_count += byte_count; - - DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - - DRM_DEBUG("count: %d\n", count); - DRM_DEBUG("order: %d\n", order); - DRM_DEBUG("size: %d\n", size); - DRM_DEBUG("agp_offset: %ld\n", agp_offset); - DRM_DEBUG("alignment: %d\n", alignment); - DRM_DEBUG("page_order: %d\n", page_order); - DRM_DEBUG("total: %d\n", total); - DRM_DEBUG("byte_count: %d\n", byte_count); - - dma->flags = _DRM_DMA_USE_AGP; - - DRM_DEBUG("dma->flags : %x\n", dma->flags); - - return 0; -} - -int mga_addbufs_pci(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int count; - int order; - int size; - int total; - int page_order; - drm_buf_entry_t *entry; - unsigned long page; - drm_buf_t *buf; - int alignment; - unsigned long offset; - int i; - int byte_count; - int page_count; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - - DRM_DEBUG("count = %d, size = %d (%d), order = %d, queue_count = %d\n", - request.count, request.size, size, order, dev->queue_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->seglist = drm_alloc(count * sizeof(*entry->seglist), - DRM_MEM_SEGS); - if (!entry->seglist) { - drm_free(entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->seglist, 0, count * sizeof(*entry->seglist)); - - dma->pagelist = drm_realloc(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - DRM_DEBUG("pagelist: %d entries\n", - dma->page_count + (count << page_order)); - - - entry->buf_size = size; - entry->page_order = page_order; - byte_count = 0; - page_count = 0; - while (entry->buf_count < count) { - if (!(page = drm_alloc_pages(page_order, DRM_MEM_DMA))) break; - entry->seglist[entry->seg_count++] = page; - for (i = 0; i < (1 << page_order); i++) { - DRM_DEBUG("page %d @ 0x%08lx\n", - dma->page_count + page_count, - page + PAGE_SIZE * i); - dma->pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; - } - for (offset = 0; - offset + size <= total && entry->buf_count < count; - offset += alignment, ++entry->buf_count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - DRM_DEBUG("buffer %d @ %p\n", - entry->buf_count, buf->address); - } - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - dma->seg_count += entry->seg_count; - dma->page_count += entry->seg_count << page_order; - dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - return 0; -} - -int mga_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_buf_desc_t request; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - if(request.flags & _DRM_AGP_BUFFER) - return mga_addbufs_agp(inode, filp, cmd, arg); - else - return mga_addbufs_pci(inode, filp, cmd, arg); -} - -int mga_infobufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - int i; - int count; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_info_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) ++count; - } - - if (request.count >= count) { - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) { - if (copy_to_user(&request.list[count].count, - &dma->bufs[i].buf_count, - sizeof(dma->bufs[0] - .buf_count)) || - copy_to_user(&request.list[count].size, - &dma->bufs[i].buf_size, - sizeof(dma->bufs[0].buf_size)) || - copy_to_user(&request.list[count].low_mark, - &dma->bufs[i] - .freelist.low_mark, - sizeof(dma->bufs[0] - .freelist.low_mark)) || - copy_to_user(&request.list[count] - .high_mark, - &dma->bufs[i] - .freelist.high_mark, - sizeof(dma->bufs[0] - .freelist.high_mark))) - return -EFAULT; - ++count; - } - } - } - request.count = count; - - if (copy_to_user((drm_buf_info_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return 0; -} - -int mga_markbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, (drm_buf_desc_t *)arg, sizeof(request))) - return -EFAULT; - - order = drm_order(request.size); - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - entry = &dma->bufs[order]; - - if (request.low_mark < 0 || request.low_mark > entry->buf_count) - return -EINVAL; - if (request.high_mark < 0 || request.high_mark > entry->buf_count) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -int mga_freebufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_free_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0; i < request.count; i++) { - if (copy_from_user(&idx, - &request.list[i], - sizeof(idx))) - return -EFAULT; - if (idx < 0 || idx >= dma->buf_count) { - DRM_ERROR("Index %d (of %d max)\n", - idx, dma->buf_count - 1); - return -EINVAL; - } - buf = dma->buflist[idx]; - if (buf->pid != current->pid) { - DRM_ERROR("Process %d freeing buffer owned by %d\n", - current->pid, buf->pid); - return -EINVAL; - } - drm_free_buffer(dev, buf); - } - - return 0; -} - -int mga_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - const int zero = 0; - unsigned long virtual; - unsigned long address; - drm_buf_map_t request; - int i; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_map_t *)arg, - sizeof(request))) - return -EFAULT; - - if (request.count >= dma->buf_count) { - if(dma->flags & _DRM_DMA_USE_AGP) { - drm_mga_private_t *dev_priv = dev->dev_private; - drm_map_t *map = NULL; - - map = dev->maplist[dev_priv->buffer_map_idx]; - if (!map) { - retcode = -EINVAL; - goto done; - } - - DRM_DEBUG("map->offset : %lx\n", map->offset); - DRM_DEBUG("map->size : %lx\n", map->size); - DRM_DEBUG("map->type : %d\n", map->type); - DRM_DEBUG("map->flags : %x\n", map->flags); - DRM_DEBUG("map->handle : %p\n", map->handle); - DRM_DEBUG("map->mtrr : %d\n", map->mtrr); - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, map->size, - PROT_READ|PROT_WRITE, - MAP_SHARED, - (unsigned long)map->offset); - up(¤t->mm->mmap_sem); - } else { - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, dma->byte_count, - PROT_READ|PROT_WRITE, MAP_SHARED, 0); - up(¤t->mm->mmap_sem); - } - if (virtual > -1024UL) { - /* Real error */ - DRM_DEBUG("mmap error\n"); - retcode = (signed long)virtual; - goto done; - } - request.virtual = (void *)virtual; - - for (i = 0; i < dma->buf_count; i++) { - if (copy_to_user(&request.list[i].idx, - &dma->buflist[i]->idx, - sizeof(request.list[0].idx))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].total, - &dma->buflist[i]->total, - sizeof(request.list[0].total))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].used, - &zero, - sizeof(zero))) { - retcode = -EFAULT; - goto done; - } - address = virtual + dma->buflist[i]->offset; - if (copy_to_user(&request.list[i].address, - &address, - sizeof(address))) { - retcode = -EFAULT; - goto done; - } - } - } - done: - request.count = dma->buf_count; - DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode); - - if (copy_to_user((drm_buf_map_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("retcode : %d\n", retcode); - - return retcode; -} diff --git a/linux/mga_context.c b/linux/mga_context.c deleted file mode 100644 index b26c7c98..00000000 --- a/linux/mga_context.c +++ /dev/null @@ -1,209 +0,0 @@ -/* mga_context.c -- IOCTLs for mga contexts -*- linux-c -*- - * Created: Mon Dec 13 09:51:35 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "mga_drv.h" - -static int mga_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int mga_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - mga_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int mga_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - -int mga_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - -int mga_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = mga_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = mga_alloc_queue(dev); - } - if (ctx.handle == -1) { - return -ENOMEM; - } - DRM_DEBUG("%d\n", ctx.handle); - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int mga_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - /* This does nothing for the mga */ - return 0; -} - -int mga_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int mga_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return mga_context_switch(dev, dev->last_context, ctx.handle); -} - -int mga_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - mga_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int mga_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - if(ctx.handle == DRM_KERNEL_CONTEXT+1) priv->remove_auth_on_close = 1; - - if(ctx.handle != DRM_KERNEL_CONTEXT) { - drm_ctxbitmap_free(dev, ctx.handle); - } - - return 0; -} diff --git a/linux/mga_dma.c b/linux/mga_dma.c index 356376ca..3fe97c8d 100644 --- a/linux/mga_dma.c +++ b/linux/mga_dma.c @@ -28,13 +28,47 @@ * Jeff Hartmann <jhartmann@valinux.com> * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "mga.h" #include "drmP.h" #include "mga_drv.h" #include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> + +#define MGA_DEFAULT_USEC_TIMEOUT 10000 + + +#define DO_IOREMAP( _map ) \ +do { \ + (_map)->handle = DRM(ioremap)( (_map)->offset, (_map)->size ); \ +} while (0) + +#define DO_IOREMAPFREE( _map ) \ +do { \ + if ( (_map)->handle && (_map)->size ) \ + DRM(ioremapfree)( (_map)->handle, (_map)->size ); \ +} while (0) + +#define DO_FIND_MAP( _map, _offset ) \ +do { \ + int _i; \ + for ( _i = 0 ; _i < dev->map_count ; _i++ ) { \ + if ( dev->maplist[_i]->offset == _offset ) { \ + _map = dev->maplist[_i]; \ + break; \ + } \ + } \ +} while (0) + + + +#if 0 + #define MGA_REG(reg) 2 #define MGA_BASE(reg) ((unsigned long) \ @@ -42,9 +76,9 @@ #define MGA_ADDR(reg) (MGA_BASE(reg) + reg) #define MGA_DEREF(reg) *(__volatile__ int *)MGA_ADDR(reg) #define MGA_READ(reg) MGA_DEREF(reg) -#define MGA_WRITE(reg,val) do { MGA_DEREF(reg) = val; } while (0) +#define MGA_WRITE(reg,val) do { MGA_DEREF(reg) = val; } while (0) -#define PDEA_pagpxfer_enable 0x2 +#define PDEA_pagpxfer_enable 0x2 static int mga_flush_queue(drm_device_t *dev); @@ -78,60 +112,61 @@ static void mga_delay(void) /* These are two age tags that will never be sent to * the hardware */ -#define MGA_BUF_USED 0xffffffff +#define MGA_BUF_USED 0xffffffff #define MGA_BUF_FREE 0 static int mga_freelist_init(drm_device_t *dev) { - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_mga_buf_priv_t *buf_priv; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_freelist_t *item; - int i; - - dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_freelist_t *item; + int i; + + dev_priv->head = DRM(alloc)(sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER); if(dev_priv->head == NULL) return -ENOMEM; - memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t)); - dev_priv->head->age = MGA_BUF_USED; + memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t)); + dev_priv->head->age = MGA_BUF_USED; - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[ i ]; + for (i = 0; i < dma->buf_count; i++) { + buf = dma->buflist[ i ]; buf_priv = buf->dev_private; item = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); - if(item == NULL) return -ENOMEM; - memset(item, 0, sizeof(drm_mga_freelist_t)); - item->age = MGA_BUF_FREE; - item->prev = dev_priv->head; - item->next = dev_priv->head->next; - if(dev_priv->head->next != NULL) + if(item == NULL) return -ENOMEM; + memset(item, 0, sizeof(drm_mga_freelist_t)); + item->age = MGA_BUF_FREE; + item->prev = dev_priv->head; + item->next = dev_priv->head->next; + if(dev_priv->head->next != NULL) dev_priv->head->next->prev = item; - if(item->next == NULL) dev_priv->tail = item; - item->buf = buf; - buf_priv->my_freelist = item; + if(item->next == NULL) dev_priv->tail = item; + item->buf = buf; + buf_priv->my_freelist = item; buf_priv->discard = 0; buf_priv->dispatched = 0; - dev_priv->head->next = item; + dev_priv->head->next = item; } - return 0; + return 0; } static void mga_freelist_cleanup(drm_device_t *dev) { - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_freelist_t *item; - drm_mga_freelist_t *prev; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_freelist_t *item; + drm_mga_freelist_t *prev; - item = dev_priv->head; - while(item) { - prev = item; - item = item->next; - drm_free(prev, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); + item = dev_priv->head; + while(item) { + prev = item; + item = item->next; + drm_free(prev, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); } - dev_priv->head = dev_priv->tail = NULL; + dev_priv->head = dev_priv->tail = NULL; } /* Frees dispatch lock */ @@ -140,21 +175,21 @@ static inline void mga_dma_quiescent(drm_device_t *dev) drm_device_dma_t *dma = dev->dma; drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned long end; + unsigned long end; int i; - DRM_DEBUG("dispatch_status = 0x%02lx\n", dev_priv->dispatch_status); + DRM_DEBUG("dispatch_status = 0x%02x\n", dev_priv->dispatch_status); end = jiffies + (HZ*3); - while(1) { + while(1) { if(!test_and_set_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status)) { break; } - if((signed)(end - jiffies) <= 0) { + if((signed)(end - jiffies) <= 0) { DRM_ERROR("irqs: %d wanted %d\n", atomic_read(&dev->total_irq), atomic_read(&dma->total_lost)); - DRM_ERROR("lockup: dispatch_status = 0x%02lx," + DRM_ERROR("lockup: dispatch_status = 0x%02x," " jiffies = %lu, end = %lu\n", dev_priv->dispatch_status, jiffies, end); return; @@ -162,8 +197,8 @@ static inline void mga_dma_quiescent(drm_device_t *dev) for (i = 0 ; i < 2000 ; i++) mga_delay(); } end = jiffies + (HZ*3); - DRM_DEBUG("quiescent status : %x\n", MGA_READ(MGAREG_STATUS)); - while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) { + DRM_DEBUG("quiescent status : %x\n", MGA_READ(MGAREG_STATUS)); + while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) { if((signed)(end - jiffies) <= 0) { DRM_ERROR("irqs: %d wanted %d\n", atomic_read(&dev->total_irq), @@ -174,22 +209,22 @@ static inline void mga_dma_quiescent(drm_device_t *dev) } for (i = 0 ; i < 2000 ; i++) mga_delay(); } - sarea_priv->dirty |= MGA_DMA_FLUSH; + sarea_priv->dirty |= MGA_DMA_FLUSH; - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - DRM_DEBUG("exit, dispatch_status = 0x%02lx\n", + clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); + DRM_DEBUG("exit, dispatch_status = 0x%02x\n", dev_priv->dispatch_status); } static void mga_reset_freelist(drm_device_t *dev) { - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_mga_buf_priv_t *buf_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; int i; - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[ i ]; + for (i = 0; i < dma->buf_count; i++) { + buf = dma->buflist[ i ]; buf_priv = buf->dev_private; buf_priv->my_freelist->age = MGA_BUF_FREE; } @@ -201,11 +236,11 @@ static void mga_reset_freelist(drm_device_t *dev) drm_buf_t *mga_freelist_get(drm_device_t *dev) { - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + DECLARE_WAITQUEUE(entry, current); + drm_mga_private_t *dev_priv = + (drm_mga_private_t *) dev->dev_private; drm_mga_freelist_t *prev; - drm_mga_freelist_t *next; + drm_mga_freelist_t *next; static int failed = 0; int return_null = 0; @@ -214,51 +249,51 @@ drm_buf_t *mga_freelist_get(drm_device_t *dev) " tail->age = %d, last_prim_age= %d\n", dev_priv->tail->age, dev_priv->last_prim_age); - add_wait_queue(&dev_priv->buf_queue, &entry); + add_wait_queue(&dev_priv->buf_queue, &entry); set_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status); - for (;;) { + for (;;) { current->state = TASK_INTERRUPTIBLE; - mga_dma_schedule(dev, 0); + mga_dma_schedule(dev, 0); if(dev_priv->tail->age < dev_priv->last_prim_age) break; - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { + atomic_inc(&dev->total_sleeps); + schedule(); + if (signal_pending(current)) { ++return_null; break; } } clear_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status); current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->buf_queue, &entry); + remove_wait_queue(&dev_priv->buf_queue, &entry); if (return_null) return NULL; } - if(dev_priv->tail->age < dev_priv->last_prim_age) { + if(dev_priv->tail->age < dev_priv->last_prim_age) { prev = dev_priv->tail->prev; - next = dev_priv->tail; - prev->next = NULL; - next->prev = next->next = NULL; - dev_priv->tail = prev; - next->age = MGA_BUF_USED; + next = dev_priv->tail; + prev->next = NULL; + next->prev = next->next = NULL; + dev_priv->tail = prev; + next->age = MGA_BUF_USED; failed = 0; - return next->buf; + return next->buf; } failed++; - return NULL; + return NULL; } int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf) { - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_private_t *dev_priv = + (drm_mga_private_t *) dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; drm_mga_freelist_t *prev; - drm_mga_freelist_t *head; - drm_mga_freelist_t *next; + drm_mga_freelist_t *head; + drm_mga_freelist_t *next; - if(buf_priv->my_freelist->age == MGA_BUF_USED) { + if(buf_priv->my_freelist->age == MGA_BUF_USED) { /* Discarded buffer, put it on the tail */ next = buf_priv->my_freelist; next->age = MGA_BUF_FREE; @@ -280,31 +315,31 @@ int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf) next->next = prev; } - return 0; + return 0; } static int mga_init_primary_bufs(drm_device_t *dev, drm_mga_init_t *init) { - drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_prim_buf_t *prim_buffer; - int i, temp, size_of_buf; - int offset = init->reserved_map_agpstart; + int i, temp, size_of_buf; + int offset = init->reserved_map_agpstart; - dev_priv->primary_size = ((init->primary_size + PAGE_SIZE - 1) / + dev_priv->primary_size = ((init->primary_size + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE; - size_of_buf = dev_priv->primary_size / MGA_NUM_PRIM_BUFS; + size_of_buf = dev_priv->primary_size / MGA_NUM_PRIM_BUFS; dev_priv->warp_ucode_size = init->warp_ucode_size; - dev_priv->prim_bufs = drm_alloc(sizeof(drm_mga_prim_buf_t *) * + dev_priv->prim_bufs = drm_alloc(sizeof(drm_mga_prim_buf_t *) * (MGA_NUM_PRIM_BUFS + 1), DRM_MEM_DRIVER); - if(dev_priv->prim_bufs == NULL) { + if(dev_priv->prim_bufs == NULL) { DRM_ERROR("Unable to allocate memory for prim_buf\n"); return -ENOMEM; } - memset(dev_priv->prim_bufs, + memset(dev_priv->prim_bufs, 0, sizeof(drm_mga_prim_buf_t *) * (MGA_NUM_PRIM_BUFS + 1)); - temp = init->warp_ucode_size + dev_priv->primary_size; + temp = init->warp_ucode_size + dev_priv->primary_size; temp = ((temp + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE; dev_priv->ioremap = drm_ioremap(dev->agp->base + offset, @@ -313,66 +348,66 @@ static int mga_init_primary_bufs(drm_device_t *dev, drm_mga_init_t *init) DRM_ERROR("Ioremap failed\n"); return -ENOMEM; } - init_waitqueue_head(&dev_priv->wait_queue); + init_waitqueue_head(&dev_priv->wait_queue); - for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { - prim_buffer = drm_alloc(sizeof(drm_mga_prim_buf_t), + for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { + prim_buffer = drm_alloc(sizeof(drm_mga_prim_buf_t), DRM_MEM_DRIVER); - if(prim_buffer == NULL) return -ENOMEM; - memset(prim_buffer, 0, sizeof(drm_mga_prim_buf_t)); - prim_buffer->phys_head = offset + dev->agp->base; - prim_buffer->current_dma_ptr = + if(prim_buffer == NULL) return -ENOMEM; + memset(prim_buffer, 0, sizeof(drm_mga_prim_buf_t)); + prim_buffer->phys_head = offset + dev->agp->base; + prim_buffer->current_dma_ptr = prim_buffer->head = (u32 *) (dev_priv->ioremap + offset - init->reserved_map_agpstart); - prim_buffer->num_dwords = 0; - prim_buffer->max_dwords = size_of_buf / sizeof(u32); - prim_buffer->max_dwords -= 5; /* Leave room for the softrap */ - prim_buffer->sec_used = 0; - prim_buffer->idx = i; + prim_buffer->num_dwords = 0; + prim_buffer->max_dwords = size_of_buf / sizeof(u32); + prim_buffer->max_dwords -= 5; /* Leave room for the softrap */ + prim_buffer->sec_used = 0; + prim_buffer->idx = i; prim_buffer->prim_age = i + 1; - offset = offset + size_of_buf; - dev_priv->prim_bufs[i] = prim_buffer; + offset = offset + size_of_buf; + dev_priv->prim_bufs[i] = prim_buffer; } dev_priv->current_prim_idx = 0; dev_priv->next_prim = dev_priv->last_prim = dev_priv->current_prim = - dev_priv->prim_bufs[0]; + dev_priv->prim_bufs[0]; dev_priv->next_prim_age = 2; dev_priv->last_prim_age = 1; - set_bit(MGA_BUF_IN_USE, &dev_priv->current_prim->buffer_status); - return 0; + set_bit(MGA_BUF_IN_USE, &dev_priv->current_prim->buffer_status); + return 0; } void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) { - drm_mga_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - int use_agp = PDEA_pagpxfer_enable; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + int use_agp = PDEA_pagpxfer_enable; unsigned long end; - int i; - int next_idx; - PRIMLOCALS; + int i; + int next_idx; + PRIMLOCALS; - dev_priv->last_prim = prim; + dev_priv->last_prim = prim; - /* We never check for overflow, b/c there is always room */ - PRIMPTR(prim); - if(num_dwords <= 0) { + /* We never check for overflow, b/c there is always room */ + PRIMPTR(prim); + if(num_dwords <= 0) { DRM_ERROR("num_dwords == 0 when dispatched\n"); goto out_prim_wait; } - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_SOFTRAP, 0); - PRIMFINISH(prim); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_DMAPAD, 0); + PRIMOUTREG( MGAREG_SOFTRAP, 0); + PRIMFINISH(prim); end = jiffies + (HZ*3); - if(sarea_priv->dirty & MGA_DMA_FLUSH) { + if(sarea_priv->dirty & MGA_DMA_FLUSH) { while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) { if((signed)(end - jiffies) <= 0) { DRM_ERROR("irqs: %d wanted %d\n", @@ -399,76 +434,76 @@ void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) } } - mga_flush_write_combine(); - atomic_inc(&dev_priv->pending_bufs); - MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); - MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp); - prim->num_dwords = 0; + mga_flush_write_combine(); + atomic_inc(&dev_priv->pending_bufs); + MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); + MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp); + prim->num_dwords = 0; sarea_priv->last_enqueue = prim->prim_age; - next_idx = prim->idx + 1; - if(next_idx >= MGA_NUM_PRIM_BUFS) + next_idx = prim->idx + 1; + if(next_idx >= MGA_NUM_PRIM_BUFS) next_idx = 0; - dev_priv->next_prim = dev_priv->prim_bufs[next_idx]; + dev_priv->next_prim = dev_priv->prim_bufs[next_idx]; return; out_prim_wait: prim->num_dwords = 0; prim->sec_used = 0; clear_bit(MGA_BUF_IN_USE, &prim->buffer_status); - wake_up_interruptible(&dev_priv->wait_queue); + wake_up_interruptible(&dev_priv->wait_queue); clear_bit(MGA_BUF_SWAP_PENDING, &prim->buffer_status); clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); } int mga_advance_primary(drm_device_t *dev) { - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_prim_buf_t *prim_buffer; - drm_device_dma_t *dma = dev->dma; - int next_prim_idx; - int ret = 0; - - /* This needs to reset the primary buffer if available, + DECLARE_WAITQUEUE(entry, current); + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_prim_buf_t *prim_buffer; + drm_device_dma_t *dma = dev->dma; + int next_prim_idx; + int ret = 0; + + /* This needs to reset the primary buffer if available, * we should collect stats on how many times it bites * it's tail */ - next_prim_idx = dev_priv->current_prim_idx + 1; - if(next_prim_idx >= MGA_NUM_PRIM_BUFS) - next_prim_idx = 0; - prim_buffer = dev_priv->prim_bufs[next_prim_idx]; + next_prim_idx = dev_priv->current_prim_idx + 1; + if(next_prim_idx >= MGA_NUM_PRIM_BUFS) + next_prim_idx = 0; + prim_buffer = dev_priv->prim_bufs[next_prim_idx]; set_bit(MGA_IN_WAIT, &dev_priv->dispatch_status); - /* In use is cleared in interrupt handler */ + /* In use is cleared in interrupt handler */ - if(test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) { - add_wait_queue(&dev_priv->wait_queue, &entry); - for (;;) { + if(test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) { + add_wait_queue(&dev_priv->wait_queue, &entry); + for (;;) { current->state = TASK_INTERRUPTIBLE; - mga_dma_schedule(dev, 0); - if(!test_and_set_bit(MGA_BUF_IN_USE, + mga_dma_schedule(dev, 0); + if(!test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) break; - atomic_inc(&dev->total_sleeps); - atomic_inc(&dma->total_missed_sched); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; + atomic_inc(&dev->total_sleeps); + atomic_inc(&dma->total_missed_sched); + schedule(); + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; } } current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->wait_queue, &entry); - if(ret) return ret; + remove_wait_queue(&dev_priv->wait_queue, &entry); + if(ret) return ret; } clear_bit(MGA_IN_WAIT, &dev_priv->dispatch_status); - /* This primary buffer is now free to use */ - prim_buffer->current_dma_ptr = prim_buffer->head; - prim_buffer->num_dwords = 0; - prim_buffer->sec_used = 0; + /* This primary buffer is now free to use */ + prim_buffer->current_dma_ptr = prim_buffer->head; + prim_buffer->num_dwords = 0; + prim_buffer->sec_used = 0; prim_buffer->prim_age = dev_priv->next_prim_age++; if(prim_buffer->prim_age == 0 || prim_buffer->prim_age == 0xffffffff) { mga_flush_queue(dev); @@ -482,88 +517,88 @@ int mga_advance_primary(drm_device_t *dev) clear_bit(MGA_BUF_FORCE_FIRE, &prim_buffer->buffer_status); clear_bit(MGA_BUF_SWAP_PENDING, &prim_buffer->buffer_status); - dev_priv->current_prim = prim_buffer; - dev_priv->current_prim_idx = next_prim_idx; - return 0; + dev_priv->current_prim = prim_buffer; + dev_priv->current_prim_idx = next_prim_idx; + return 0; } /* More dynamic performance decisions */ static inline int mga_decide_to_fire(drm_device_t *dev) { - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - if(test_bit(MGA_BUF_FORCE_FIRE, &dev_priv->next_prim->buffer_status)) { - return 1; + if(test_bit(MGA_BUF_FORCE_FIRE, &dev_priv->next_prim->buffer_status)) { + return 1; } if (test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) && dev_priv->next_prim->num_dwords) { - return 1; + return 1; } if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) && dev_priv->next_prim->num_dwords) { - return 1; + return 1; } - if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS - 1) { + if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS - 1) { if(test_bit(MGA_BUF_SWAP_PENDING, &dev_priv->next_prim->buffer_status)) { return 1; } } - if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS / 2) { + if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS / 2) { if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 8) { return 1; } } - if(atomic_read(&dev_priv->pending_bufs) >= MGA_NUM_PRIM_BUFS / 2) { + if(atomic_read(&dev_priv->pending_bufs) >= MGA_NUM_PRIM_BUFS / 2) { if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 4) { return 1; } } - return 0; + return 0; } int mga_dma_schedule(drm_device_t *dev, int locked) { - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; int retval = 0; - if (!dev_priv) return -EBUSY; - + if (!dev_priv) return -EBUSY; + if (test_and_set_bit(0, &dev->dma_flag)) { retval = -EBUSY; goto sch_out_wakeup; } - if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) || + if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) || test_bit(MGA_IN_WAIT, &dev_priv->dispatch_status) || test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status)) { locked = 1; } - if (!locked && + if (!locked && !drm_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { - clear_bit(0, &dev->dma_flag); + clear_bit(0, &dev->dma_flag); retval = -EBUSY; goto sch_out_wakeup; } - if(!test_and_set_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status)) { - /* Fire dma buffer */ - if(mga_decide_to_fire(dev)) { + if(!test_and_set_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status)) { + /* Fire dma buffer */ + if(mga_decide_to_fire(dev)) { clear_bit(MGA_BUF_FORCE_FIRE, &dev_priv->next_prim->buffer_status); - if(dev_priv->current_prim == dev_priv->next_prim) { + if(dev_priv->current_prim == dev_priv->next_prim) { /* Schedule overflow for a later time */ set_bit(MGA_BUF_NEEDS_OVERFLOW, &dev_priv->next_prim->buffer_status); } - mga_fire_primary(dev, dev_priv->next_prim); + mga_fire_primary(dev, dev_priv->next_prim); } else { clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); } @@ -579,7 +614,7 @@ int mga_dma_schedule(drm_device_t *dev, int locked) clear_bit(0, &dev->dma_flag); sch_out_wakeup: - if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) && + if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) && atomic_read(&dev_priv->pending_bufs) == 0) { /* Everything has been processed by the hardware */ clear_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status); @@ -595,25 +630,25 @@ sch_out_wakeup: static void mga_dma_service(int irq, void *device, struct pt_regs *regs) { - drm_device_t *dev = (drm_device_t *)device; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_prim_buf_t *last_prim_buffer; + drm_device_t *dev = (drm_device_t *)device; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_prim_buf_t *last_prim_buffer; - atomic_inc(&dev->total_irq); + atomic_inc(&dev->total_irq); if((MGA_READ(MGAREG_STATUS) & 0x00000001) != 0x00000001) return; - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - last_prim_buffer = dev_priv->last_prim; - last_prim_buffer->num_dwords = 0; - last_prim_buffer->sec_used = 0; + MGA_WRITE(MGAREG_ICLEAR, 0x00000001); + last_prim_buffer = dev_priv->last_prim; + last_prim_buffer->num_dwords = 0; + last_prim_buffer->sec_used = 0; dev_priv->sarea_priv->last_dispatch = dev_priv->last_prim_age = last_prim_buffer->prim_age; - clear_bit(MGA_BUF_IN_USE, &last_prim_buffer->buffer_status); - clear_bit(MGA_BUF_SWAP_PENDING, &last_prim_buffer->buffer_status); - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - atomic_dec(&dev_priv->pending_bufs); - queue_task(&dev->tq, &tq_immediate); - mark_bh(IMMEDIATE_BH); - wake_up_interruptible(&dev_priv->wait_queue); + clear_bit(MGA_BUF_IN_USE, &last_prim_buffer->buffer_status); + clear_bit(MGA_BUF_SWAP_PENDING, &last_prim_buffer->buffer_status); + clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); + atomic_dec(&dev_priv->pending_bufs); + queue_task(&dev->tq, &tq_immediate); + mark_bh(IMMEDIATE_BH); + wake_up_interruptible(&dev_priv->wait_queue); } static void mga_dma_task_queue(void *device) @@ -637,27 +672,27 @@ int mga_dma_cleanup(drm_device_t *dev) drm_ioremapfree((void *) dev_priv->ioremap, temp); } - if(dev_priv->status_page != NULL) { - iounmap(dev_priv->status_page); + if(dev_priv->status_page != NULL) { + iounmap(dev_priv->status_page); } - if(dev_priv->real_status_page != 0UL) { - mga_free_page(dev, dev_priv->real_status_page); + if(dev_priv->real_status_page != 0UL) { + mga_free_page(dev, dev_priv->real_status_page); } - if(dev_priv->prim_bufs != NULL) { - int i; - for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { - if(dev_priv->prim_bufs[i] != NULL) { - drm_free(dev_priv->prim_bufs[i], + if(dev_priv->prim_bufs != NULL) { + int i; + for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { + if(dev_priv->prim_bufs[i] != NULL) { + drm_free(dev_priv->prim_bufs[i], sizeof(drm_mga_prim_buf_t), DRM_MEM_DRIVER); } } - drm_free(dev_priv->prim_bufs, sizeof(void *) * + drm_free(dev_priv->prim_bufs, sizeof(void *) * (MGA_NUM_PRIM_BUFS + 1), DRM_MEM_DRIVER); } if(dev_priv->head != NULL) { - mga_freelist_cleanup(dev); + mga_freelist_cleanup(dev); } @@ -704,45 +739,45 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { dev_priv->stride = init->stride; dev_priv->mAccess = init->mAccess; - init_waitqueue_head(&dev_priv->flush_queue); + init_waitqueue_head(&dev_priv->flush_queue); init_waitqueue_head(&dev_priv->buf_queue); dev_priv->WarpPipe = 0xff000000; dev_priv->vertexsize = 0; - DRM_DEBUG("chipset=%d ucode_size=%d backOffset=%x depthOffset=%x\n", + DRM_DEBUG("chipset=%d ucode_size=%d backOffset=%x depthOffset=%x\n", dev_priv->chipset, dev_priv->warp_ucode_size, dev_priv->backOffset, dev_priv->depthOffset); - DRM_DEBUG("cpp: %d sgram: %d stride: %d maccess: %x\n", + DRM_DEBUG("cpp: %d sgram: %d stride: %d maccess: %x\n", dev_priv->cpp, dev_priv->sgram, dev_priv->stride, dev_priv->mAccess); memcpy(&dev_priv->WarpIndex, &init->WarpIndex, sizeof(drm_mga_warp_index_t) * MGA_MAX_WARP_PIPES); - if(mga_init_primary_bufs(dev, init) != 0) { + if(mga_init_primary_bufs(dev, init) != 0) { DRM_ERROR("Can not initialize primary buffers\n"); mga_dma_cleanup(dev); return -ENOMEM; } - dev_priv->real_status_page = mga_alloc_page(dev); - if(dev_priv->real_status_page == 0UL) { + dev_priv->real_status_page = mga_alloc_page(dev); + if(dev_priv->real_status_page == 0UL) { mga_dma_cleanup(dev); DRM_ERROR("Can not allocate status page\n"); return -ENOMEM; } - dev_priv->status_page = + dev_priv->status_page = ioremap_nocache(virt_to_bus((void *)dev_priv->real_status_page), PAGE_SIZE); - if(dev_priv->status_page == NULL) { + if(dev_priv->status_page == NULL) { mga_dma_cleanup(dev); DRM_ERROR("Can not remap status page\n"); return -ENOMEM; } - /* Write status page when secend or softrap occurs */ - MGA_WRITE(MGAREG_PRIMPTR, + /* Write status page when secend or softrap occurs */ + MGA_WRITE(MGAREG_PRIMPTR, virt_to_bus((void *)dev_priv->real_status_page) | 0x00000003); @@ -760,18 +795,18 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { */ mga_flush_write_combine(); - MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); + MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); MGA_WRITE(MGAREG_PRIMEND, ((phys_head + num_dwords * 4) | PDEA_pagpxfer_enable)); - while(MGA_READ(MGAREG_DWGSYNC) != 0x0100) ; + while(MGA_READ(MGAREG_DWGSYNC) != 0x0100) ; } if(mga_freelist_init(dev) != 0) { - DRM_ERROR("Could not initialize freelist\n"); - mga_dma_cleanup(dev); - return -ENOMEM; + DRM_ERROR("Could not initialize freelist\n"); + mga_dma_cleanup(dev); + return -ENOMEM; } return 0; } @@ -796,121 +831,38 @@ int mga_dma_init(struct inode *inode, struct file *filp, return -EINVAL; } -int mga_irq_install(drm_device_t *dev, int irq) -{ - int retcode; - - if (!irq) return -EINVAL; - - down(&dev->struct_sem); - if (dev->irq) { - up(&dev->struct_sem); - return -EBUSY; - } - dev->irq = irq; - up(&dev->struct_sem); - - DRM_DEBUG("install irq handler %d\n", irq); - - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; - dev->dma->this_buffer = NULL; - INIT_LIST_HEAD(&dev->tq.list); - dev->tq.sync = 0; - dev->tq.routine = mga_dma_task_queue; - dev->tq.data = dev; - - /* Before installing handler */ - MGA_WRITE(MGAREG_IEN, 0); - /* Install handler */ - if ((retcode = request_irq(dev->irq, - mga_dma_service, - SA_SHIRQ, - dev->devname, - dev))) { - down(&dev->struct_sem); - dev->irq = 0; - up(&dev->struct_sem); - return retcode; - } - /* After installing handler */ - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - MGA_WRITE(MGAREG_IEN, 0x00000001); - return 0; -} - -int mga_irq_uninstall(drm_device_t *dev) -{ - int irq; - - down(&dev->struct_sem); - irq = dev->irq; - dev->irq = 0; - up(&dev->struct_sem); - - if (!irq) return -EINVAL; - DRM_DEBUG("remove irq handler %d\n", irq); - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - MGA_WRITE(MGAREG_IEN, 0); - free_irq(irq, dev); - return 0; -} - -int mga_control(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; - - if (copy_from_user(&ctl, (drm_control_t *)arg, sizeof(ctl))) - return -EFAULT; - - switch (ctl.func) { - case DRM_INST_HANDLER: - return mga_irq_install(dev, ctl.irq); - case DRM_UNINST_HANDLER: - return mga_irq_uninstall(dev); - default: - return -EINVAL; - } -} - static int mga_flush_queue(drm_device_t *dev) { - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - int ret = 0; + DECLARE_WAITQUEUE(entry, current); + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + int ret = 0; - if(!dev_priv) return 0; + if(!dev_priv) return 0; - if(dev_priv->next_prim->num_dwords != 0) { - add_wait_queue(&dev_priv->flush_queue, &entry); - if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status)) + if(dev_priv->next_prim->num_dwords != 0) { + add_wait_queue(&dev_priv->flush_queue, &entry); + if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status)) DRM_ERROR("Incorrect mga_flush_queue logic\n"); set_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status); mga_dma_schedule(dev, 0); - for (;;) { + for (;;) { current->state = TASK_INTERRUPTIBLE; - if (!test_bit(MGA_IN_FLUSH, + if (!test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status)) break; - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -EINTR; /* Can't restart */ + atomic_inc(&dev->total_sleeps); + schedule(); + if (signal_pending(current)) { + ret = -EINTR; /* Can't restart */ clear_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status); - break; + break; } } current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->flush_queue, &entry); + remove_wait_queue(&dev_priv->flush_queue, &entry); } - return ret; + return ret; } /* Must be called with the lock held */ @@ -920,23 +872,23 @@ void mga_reclaim_buffers(drm_device_t *dev, pid_t pid) int i; if (!dma) return; - if(dev->dev_private == NULL) return; + if(dev->dev_private == NULL) return; if(dma->buflist == NULL) return; DRM_DEBUG("buf_count=%d\n", dma->buf_count); - + mga_flush_queue(dev); for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_buf_t *buf = dma->buflist[ i ]; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; /* Only buffers that need to get reclaimed ever * get set to free */ if (buf->pid == pid && buf_priv) { if(buf_priv->my_freelist->age == MGA_BUF_USED) - buf_priv->my_freelist->age = MGA_BUF_FREE; + buf_priv->my_freelist->age = MGA_BUF_FREE; } } } @@ -1018,10 +970,10 @@ int mga_lock(struct inode *inode, struct file *filp, unsigned int cmd, int mga_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; drm_lock_t lock; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) return -EFAULT; @@ -1031,7 +983,7 @@ int mga_flush_ioctl(struct inode *inode, struct file *filp, return -EINVAL; } - if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) { + if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) { drm_mga_prim_buf_t *temp_buf; temp_buf = dev_priv->current_prim; @@ -1039,13 +991,1058 @@ int mga_flush_ioctl(struct inode *inode, struct file *filp, if(temp_buf && temp_buf->num_dwords) { set_bit(MGA_BUF_FORCE_FIRE, &temp_buf->buffer_status); mga_advance_primary(dev); - } + } mga_dma_schedule(dev, 1); } - if(lock.flags & _DRM_LOCK_QUIESCENT) { + if(lock.flags & _DRM_LOCK_QUIESCENT) { mga_flush_queue(dev); mga_dma_quiescent(dev); } - return 0; + return 0; +} + + +#endif + + + + +/* + * **************************************************************** + * + * START NEW CODE HERE + * + * **************************************************************** + */ + + +static unsigned long mga_alloc_page( void ) +{ + unsigned long address; + + address = __get_free_page( GFP_KERNEL ); + if ( !address ) + return 0; + + atomic_inc( &virt_to_page(address)->count ); + set_bit( PG_reserved, &virt_to_page(address)->flags ); + + return address; +} + +static void mga_free_page( unsigned long address ) +{ + if ( !address ) + return; + + atomic_dec( &virt_to_page(address)->count ); + clear_bit( PG_reserved, &virt_to_page(address)->flags ); + free_page( address ); +} + + + + +/* ================================================================ + * Engine control + */ + +int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ) +{ + u32 status = 0; + int i; + DRM_INFO( "%s\n", __FUNCTION__ ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) return 0; + udelay( 1 ); + } + + DRM_ERROR( "failed! status=0x%08x\n", status ); + return -EBUSY; +} + +int mga_do_dma_idle( drm_mga_private_t *dev_priv ) +{ + u32 status = 0; + int i; + DRM_INFO( "%s\n", __FUNCTION__ ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_DMA_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) return 0; + udelay( 1 ); + } + + DRM_ERROR( "failed! status=0x%08x\n", status ); + return -EBUSY; +} + +int mga_do_dma_reset( drm_mga_private_t *dev_priv ) +{ + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* The primary DMA stream should look like new right about now. + */ + *dev_priv->prim.head = dev_priv->primary->offset; + dev_priv->prim.tail = 0; + dev_priv->prim.wrap = 0; + dev_priv->prim.space = dev_priv->prim.size - MGA_DMA_SOFTRAP_SIZE; + dev_priv->prim.last_flush = 0; + + /* FIXME: Reset counters, buffer ages etc... + */ + + clear_bit( MGA_DMA_FLUSH, &dev_priv->prim.state ); + clear_bit( MGA_DMA_WRAP, &dev_priv->prim.state ); + + set_bit( MGA_DMA_IDLE, &dev_priv->prim.state ); + + /* FIXME: What else do we need to reinitialize? WARP stuff? + */ + return 0; +} + +int mga_do_engine_reset( drm_mga_private_t *dev_priv ) +{ + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* Okay, so we've completely screwed up and locked the engine. + * How about we clean up after ourselves? + */ + MGA_WRITE( MGA_RST, MGA_SOFTRESET ); + udelay( 15 ); /* Wait at least 10 usecs */ + MGA_WRITE( MGA_RST, 0 ); + + /* Initialize the registers that get clobbered by the soft + * reset. Many of the core register values survive a reset, + * but the drawing registers are basically all gone. + * + * 3D clients should probably die after calling this. The X + * server should reset the engine state to known values. + */ + MGA_WRITE( MGA_PRIMPTR, + virt_to_bus((void *)dev_priv->prim.status_page) | + MGA_PRIMPTREN0 | + MGA_PRIMPTREN1 ); + + MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR ); + MGA_WRITE( MGA_IEN, MGA_SOFTRAPIEN ); + + /* The primary DMA stream should look like new right about now. + */ + mga_do_dma_reset( dev_priv ); + + /* This bad boy will never fail. + */ + return 0; +} + + +/* ================================================================ + * Primary DMA stream + */ + +/* The primary DMA stream *MUST* be idle before this is called. Use + * mga_do_dma_idle() above if required. + */ +static inline void mga_do_dma( drm_mga_private_t *dev_priv, + u32 head, u32 tail ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* Only flush the primary DMA stream if there are new commands. + */ + if ( head == tail ) { + DRM_INFO( " bailing out...\n" ); + return; + } + + DRM_INFO( " head = 0x%08x\n", head ); + DRM_INFO( " tail = 0x%08x\n", tail ); + + mga_flush_write_combine(); + + MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL ); + MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + + clear_bit( MGA_DMA_IDLE, &primary->state ); +} + +void mga_do_dma_flush( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + DMA_LOCALS; + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* Flushing the primary DMA stream will always result in this + * function being called, even if there are no new commands. + */ + if ( test_and_clear_bit( MGA_DMA_FLUSH, &primary->state ) ) { + DRM_INFO( " got DMA flush...\n" ); + } + + /* Only flush the primary DMA stream if there are new commands. + */ + if ( primary->tail == primary->last_flush ) { + DRM_INFO( " bailing out...\n" ); + return; + } + + /* Writing the SOFTRAP register will cause an interrupt. We use + * this as notification that the primary DMA stream is complete. + */ + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SOFTRAP, 0x00000000 ); + + ADVANCE_DMA(); + + /* Reset the PRIMADDRESS pointer if we wrapped after the last + * batch of commands. + */ + if ( test_bit( MGA_DMA_WRAP, &primary->state ) ) { + *primary->head = dev_priv->primary->offset; + DRM_INFO( " clearing wrap...\n" ); + clear_bit( MGA_DMA_WRAP, &primary->state ); + } + + /* The primary DMA stream must be idle here, so we can safely + * cache this value. Prevents doing multiple uncached reads + * from the DMA status page. + */ + head = *primary->head; + + tail = primary->tail + dev_priv->primary->offset; + primary->last_flush = primary->tail; + + /* Kick off the DMA transfer. + */ + mga_do_dma( dev_priv, head, tail ); +} + +void mga_do_dma_wrap( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* Only wrap the primary DMA stream if we have to. + */ + if ( !primary->wrap ) { + DRM_INFO( " bailing out...\n" ); + return; + } + + /* The primary DMA stream must be idle here, so we can safely + * cache this value. Prevents doing multiple uncached reads + * from the DMA status page. + */ + head = *primary->head; + + /* Wrap the primary DMA stream. We use primary->wrap to + * determine when the comamnds have wrapped around, and + * MGA_DMA_WRAP to determine when the last batch of commands + * has been dispatched. We need to reset PRIMADDRESS when this + * last batch has completed. + */ + tail = primary->wrap + dev_priv->primary->offset; + primary->wrap = 0; + + DRM_INFO( " setting wrap...\n" ); + set_bit( MGA_DMA_WRAP, &primary->state ); + + /* Kick off the DMA transfer. + */ + mga_do_dma( dev_priv, head, tail ); +} + +void mga_dma_wrap_or_wait( drm_mga_private_t *dev_priv, int n ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + DMA_LOCALS; + DRM_INFO( "%s: wrap=0x%x\n", __FUNCTION__, primary->wrap ); + + if ( !primary->wrap ) { + /* Add the SOFTRAP interrupt generator here. That way, + * we don't have to worry about adding it later if the + * primary DMA stream is currently active. + */ + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SOFTRAP, 0x00000000 ); + + ADVANCE_DMA(); + + primary->wrap = primary->tail; + primary->tail = 0; + primary->last_flush = 0; + + /* Kick off the last chunk of commands immediately if + * the primary DMA stream is idle. This makes wrapping + * nice and simple. + */ + if ( MGA_DMA_IS_IDLE( dev_priv ) ) { + mga_do_dma_wrap( dev_priv ); + } + + primary->space = (*primary->head - + dev_priv->primary->offset - + MGA_DMA_SOFTRAP_SIZE); + } else { + /* FIXME: This is terribly broken... + */ + DRM_INFO( "*** WTF??? ***\n" ); + while ( mga_do_wait_for_idle( dev_priv ) < 0 ) + ; + + mga_do_dma_flush( dev_priv ); + + primary->space = (*primary->head - primary->tail - + dev_priv->primary->offset); + } +} + +void mga_update_primary_snapshot( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + + if ( !primary->wrap ) { + primary->space = primary->size - primary->tail; + } else { + primary->space = (*primary->head - primary->tail - + dev_priv->primary->offset); + } + + /* Reserve space for SOFTRAP interrupt generator at the end of + * the current chunk of our primary DMA buffer. + */ + primary->space -= MGA_DMA_SOFTRAP_SIZE; +} + + +/* ================================================================ + * DMA interrupt handling + */ + +static void mga_dma_service( int irq, void *device, struct pt_regs *regs ) +{ + drm_device_t *dev = (drm_device_t *)device; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + + atomic_inc( &dev->total_irq ); + + /* Verify the interrupt we're servicing is actually the one we + * want to service. + */ + if ( (MGA_READ( MGA_STATUS ) & MGA_SOFTRAPEN) != MGA_SOFTRAPEN ) + return; + + MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR ); + + queue_task( &dev->tq, &tq_immediate ); + mark_bh( IMMEDIATE_BH ); +} + +static void mga_dma_task_queue( void *dev ) +{ + mga_dma_schedule( dev, 0 ); +} + +int mga_dma_schedule( drm_device_t *dev, int locked ) +{ + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + DRM_INFO( "%s: prim=0x%x low=0x%x\n", + __FUNCTION__, + dev_priv->prim.tail - dev_priv->prim.last_flush, + dev_priv->prim.low_mark ); + + if ( dev_priv->prim.wrap ) { + DRM_INFO( " wrapping primary DMA...\n" ); + mga_do_dma_wrap( dev_priv ); + } else if ( test_bit( MGA_DMA_FLUSH, &dev_priv->prim.state ) ) { + DRM_INFO( " forcing primary DMA...\n" ); + mga_do_dma_flush( dev_priv ); + } else if ( dev_priv->prim.tail - dev_priv->prim.last_flush >= + dev_priv->prim.low_mark ) { + DRM_INFO( " flushing primary DMA...\n" ); + mga_do_dma_flush( dev_priv ); + } else { + DRM_INFO( " going idle...\n" ); + set_bit( MGA_DMA_IDLE, &primary->state ); + } + + return 0; +} + + +/* ================================================================ + * Freelist management + */ + +#define MGA_BUFFER_USED ~0 +#define MGA_BUFFER_FREE 0 + +static int mga_freelist_init( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_freelist_t *entry; + int i; + + dev_priv->head = DRM(alloc)( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( dev_priv->head == NULL ) + return -ENOMEM; + + memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) ); + dev_priv->head->age = MGA_BUFFER_USED; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + + entry = DRM(alloc)( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( entry == NULL ) + return -ENOMEM; + + memset( entry, 0, sizeof(drm_mga_freelist_t) ); + + entry->next = dev_priv->head->next; + entry->prev = dev_priv->head; + entry->age = MGA_BUFFER_FREE; + entry->buf = buf; + + if ( dev_priv->head->next != NULL ) + dev_priv->head->next->prev = entry; + if ( entry->next == NULL ) + dev_priv->tail = entry; + + buf_priv->list_entry = entry; + buf_priv->discard = 0; + buf_priv->dispatched = 0; + + dev_priv->head->next = entry; + } + + return 0; +} + +static void mga_freelist_cleanup( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *entry; + drm_mga_freelist_t *next; + + entry = dev_priv->head; + while ( entry ) { + next = entry->next; + DRM(free)( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); + entry = next; + } + + dev_priv->head = dev_priv->tail = NULL; +} + +static void mga_freelist_reset( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + int i; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + buf_priv->list_entry->age = MGA_BUFFER_FREE; + } +} + +drm_buf_t *mga_freelist_get( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *next; + drm_mga_freelist_t *prev; + + if ( dev_priv->tail->age < dev_priv->last_prim_age ) { + prev = dev_priv->tail->prev; + next = dev_priv->tail; + prev->next = NULL; + next->prev = next->next = NULL; + dev_priv->tail = prev; + next->age = MGA_BUFFER_USED; + return next->buf; + } + + return NULL; +} + +int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_freelist_t *head; + drm_mga_freelist_t *next; + drm_mga_freelist_t *prev; + + if ( buf_priv->list_entry->age == MGA_BUFFER_USED ) { + /* Discarded buffer, put it on the tail. + */ + next = buf_priv->list_entry; + next->age = MGA_BUFFER_FREE; + prev = dev_priv->tail; + prev->next = next; + next->prev = prev; + next->next = NULL; + dev_priv->tail = next; + } else { + /* Normally aged buffer, put it on the head + 1, + * as the real head is a sentinal element + */ + next = buf_priv->list_entry; + head = dev_priv->head; + prev = head->next; + head->next = next; + prev->prev = next; + next->prev = head; + next->next = prev; + } + + return 0; +} + + +/* ================================================================ + * DMA initialization, cleanup + */ + +static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) +{ + drm_mga_private_t *dev_priv; + int ret; + DRM_INFO( "%s\n", __FUNCTION__ ); + + dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); + if ( dev_priv == NULL ) + return -ENOMEM; + dev->dev_private = (void *)dev_priv; + + memset( dev_priv, 0, sizeof(drm_mga_private_t) ); + + + dev_priv->chipset = init->chipset; + + dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; + + if ( init->sgram ) { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; + } else { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; + } + + dev_priv->fb_cpp = init->fb_cpp; + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; + + dev_priv->depth_cpp = init->depth_cpp; + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + + dev_priv->sarea = dev->maplist[0]; + + DO_FIND_MAP( dev_priv->fb, init->fb_offset ); + DO_FIND_MAP( dev_priv->mmio, init->mmio_offset ); + DO_FIND_MAP( dev_priv->warp, init->warp_offset ); + DO_FIND_MAP( dev_priv->primary, init->primary_offset ); + DO_FIND_MAP( dev_priv->buffers, init->buffers_offset ); + + dev_priv->sarea_priv = + (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + + DO_IOREMAP( dev_priv->warp ); + DO_IOREMAP( dev_priv->primary ); + DO_IOREMAP( dev_priv->buffers ); + + ret = mga_warp_install_microcode( dev ); + if ( ret < 0 ) { + DRM_ERROR( "failed to install WARP ucode!\n" ); + mga_do_cleanup_dma( dev ); + return ret; + } + + ret = mga_warp_init( dev ); + if ( ret < 0 ) { + DRM_ERROR( "failed to init WARP engine!\n" ); + mga_do_cleanup_dma( dev ); + return ret; + } + + dev_priv->prim.status_page = mga_alloc_page(); + if ( !dev_priv->prim.status_page ) { + DRM_ERROR( "failed to allocate status page!\n" ); + mga_do_cleanup_dma( dev ); + return -ENOMEM; + } + + dev_priv->prim.status = ioremap_nocache( virt_to_bus((void *)dev_priv->prim.status_page), PAGE_SIZE ); + if ( dev_priv->prim.status == NULL ) { + DRM_ERROR( "failed to remap status page!\n" ); + mga_do_cleanup_dma( dev ); + return -ENOMEM; + } + + mga_do_wait_for_idle( dev_priv ); + + /* Init the DMA status pointer. + */ + MGA_WRITE( MGA_PRIMPTR, + virt_to_bus((void *)dev_priv->prim.status_page) | + MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */ + MGA_PRIMPTREN1 ); /* DWGSYNC */ + + dev_priv->prim.start = (u8 *)dev_priv->primary->handle; + dev_priv->prim.end = ((u8 *)dev_priv->primary->handle + + dev_priv->primary->size); + dev_priv->prim.size = dev_priv->primary->size; + + dev_priv->prim.head = (volatile u32 *) dev_priv->prim.status; + dev_priv->prim.tail = 0; + dev_priv->prim.wrap = 0; + dev_priv->prim.space = dev_priv->prim.size - MGA_DMA_SOFTRAP_SIZE; + + dev_priv->prim.last_flush = 0; + dev_priv->prim.low_mark = 4096; + dev_priv->prim.mid_mark = dev_priv->prim.space / 4; + dev_priv->prim.high_mark = 0; + + set_bit( MGA_DMA_IDLE, &dev_priv->prim.state ); + + /* We use the status copy of PRIMADDRESS as the value we write + * to the hardware, so initialize it to the beginning of primary + * DMA space here. + */ + *dev_priv->prim.head = dev_priv->primary->offset; + + return 0; +} + +int mga_do_cleanup_dma( drm_device_t *dev ) +{ + DRM_INFO( "%s\n", __FUNCTION__ ); + + if ( dev->dev_private ) { + drm_mga_private_t *dev_priv = dev->dev_private; + + if ( dev_priv->prim.status ) { + iounmap( (void *)dev_priv->prim.status ); + } + if ( dev_priv->prim.status_page ) { + mga_free_page( dev_priv->prim.status_page ); + } + + DO_IOREMAPFREE( dev_priv->warp ); + DO_IOREMAPFREE( dev_priv->primary ); + DO_IOREMAPFREE( dev_priv->buffers ); + + /* Make sure we catch this here... + */ + if ( dev->irq ) mga_irq_uninstall( dev ); + + DRM(free)( dev->dev_private, sizeof(drm_mga_private_t), + DRM_MEM_DRIVER ); + dev->dev_private = NULL; + } + + return 0; +} + +int mga_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_init_t init; + + if ( copy_from_user( &init, (drm_mga_init_t *)arg, sizeof(init) ) ) + return -EFAULT; + + switch ( init.func ) { + case MGA_INIT_DMA: + return mga_do_init_dma( dev, &init ); + case MGA_CLEANUP_DMA: + return mga_do_cleanup_dma( dev ); + } + + return -EINVAL; +} + + + +/* ================================================================ + * Primary DMA stream management + */ + +int mga_dma_flush( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) && + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } + + DRM_INFO( "%s: %s%s%s\n", + __FUNCTION__, + (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "", + (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", + (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" ); + + if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) { + /* Force the flushing of any outstanding primary DMA + * commands. We must flag this so the interrupt + * handler can take appropriate action if the primary + * DMA stream is currently active. + */ + set_bit( MGA_DMA_FLUSH, &dev_priv->prim.state ); + + /* If the primary DMA stream is currently idle, do the + * flush immediately. + */ + if ( MGA_DMA_IS_IDLE( dev_priv ) ) { + if ( dev_priv->prim.wrap ) { + mga_do_dma_wrap( dev_priv ); + } else { + mga_do_dma_flush( dev_priv ); + } + mga_update_primary_snapshot( dev_priv ); + } + } + + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + return mga_do_wait_for_idle( dev_priv ); + } else { + return 0; + } +} + +int mga_dma_reset( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + + if( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) && + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } + + return mga_do_dma_reset( dev_priv ); +} + + +/* ================================================================ + * IRQ management + */ + +int mga_irq_install( drm_device_t *dev, int irq ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + int ret; + + if ( !irq ) return -EINVAL; + + down( &dev->struct_sem ); + if ( dev->irq ) { + up( &dev->struct_sem ); + return -EBUSY; + } + dev->irq = irq; + up( &dev->struct_sem ); + + DRM_DEBUG( "install irq handler %d\n", irq ); + + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + + dev->dma->next_buffer = NULL; + dev->dma->next_queue = NULL; + dev->dma->this_buffer = NULL; + + INIT_LIST_HEAD( &dev->tq.list ); + dev->tq.sync = 0; + dev->tq.routine = mga_dma_task_queue; + dev->tq.data = dev; + + /* Before installing handler + */ + MGA_WRITE( MGA_IEN, 0 ); + + /* Install handler + */ + ret = request_irq( dev->irq, + mga_dma_service, + SA_SHIRQ, + dev->devname, + dev ); + if ( ret ) { + down( &dev->struct_sem ); + dev->irq = 0; + up( &dev->struct_sem ); + return ret; + } + + /* After installing handler + */ + MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR ); + MGA_WRITE( MGA_IEN, MGA_SOFTRAPIEN ); + + + + + + + + + + +if ( 0 ) { + int i; + int ret; + + DRM_INFO( "start = %p\n", dev_priv->prim.start ); + DRM_INFO( " end = %p\n", dev_priv->prim.end ); + DRM_INFO( "space = %d \n", dev_priv->prim.space ); + + /* Let's lock the board and then recover from it. Isn't it + * nice to be able to do so? + */ + *dev_priv->prim.head += 4096; + dev_priv->prim.tail = 128; + + mga_do_dma_flush( dev_priv ); + + ret = mga_do_wait_for_idle( dev_priv ); + if ( ret < 0 ) { + mga_do_engine_reset( dev_priv ); + } + + /* You'll notice that this does not fail. Cool, eh? + */ + mga_do_wait_for_idle( dev_priv ); + + for ( i = 0 ; i < 1024 ; i++ ) { + DMA_LOCALS; + + BEGIN_DMA( 8 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); + + MAYBE_FLUSH_DMA(); + } + + /* Flush the primary DMA stream. + */ + mga_do_wait_for_idle( dev_priv ); + mga_do_dma_flush( dev_priv ); + mga_do_wait_for_idle( dev_priv ); + + DRM_INFO( "head = 0x%08x\n", dev_priv->prim.status[0] ); + DRM_INFO( "sync = 0x%08x\n", dev_priv->prim.status[1] ); + DRM_INFO( "\n" ); + DRM_INFO( "space = 0x%x / 0x%x\n", + dev_priv->prim.space, + dev_priv->prim.size ); + DRM_INFO( "\n" ); + DRM_INFO( " irqs = %d\n", atomic_read( &dev->total_irq ) ); + +} + + return 0; +} + +int mga_irq_uninstall( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + int irq; + + down( &dev->struct_sem ); + irq = dev->irq; + dev->irq = 0; + up( &dev->struct_sem ); + + if ( !irq ) return -EINVAL; + + DRM_DEBUG( "remove irq handler %d\n", irq ); + + MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR ); + MGA_WRITE( MGA_IEN, 0 ); + + free_irq( irq, dev ); + + return 0; +} + +int mga_control( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_control_t ctl; + + if ( copy_from_user( &ctl, (drm_control_t *)arg, sizeof(ctl) ) ) + return -EFAULT; + + switch ( ctl.func ) { + case DRM_INST_HANDLER: + return mga_irq_install( dev, ctl.irq ); + case DRM_UNINST_HANDLER: + return mga_irq_uninstall( dev ); + default: + return -EINVAL; + } +} + + + + +/* ================================================================ + * DMA buffer management + */ + +static int mga_dma_get_buffers( drm_device_t *dev, drm_dma_t *d ) +{ + drm_buf_t *buf; + int i; + + for ( i = d->granted_count ; i < d->request_count ; i++ ) { + buf = mga_freelist_get( dev ); + if ( !buf ) + return -EAGAIN; + + buf->pid = current->pid; + + if ( copy_to_user( &d->request_indices[i], + &buf->idx, sizeof(buf->idx) ) ) + return -EFAULT; + if ( copy_to_user( &d->request_sizes[i], + &buf->total, sizeof(buf->total) ) ) + return -EFAULT; + + d->granted_count++; + } + return 0; +} + +int mga_dma_buffers( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_dma_t d; + int ret = 0; + + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } + + if ( copy_from_user( &d, (drm_dma_t *)arg, sizeof(d) ) ) + return -EFAULT; + + /* Please don't send us buffers. + */ + if ( d.send_count != 0 ) { + DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", + current->pid, d.send_count ); + return -EINVAL; + } + + /* We'll send you buffers. + */ + if ( d.request_count < 0 || d.request_count > dma->buf_count ) { + DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", + current->pid, d.request_count, dma->buf_count ); + return -EINVAL; + } + + d.granted_count = 0; + + if ( d.request_count ) { + ret = mga_dma_get_buffers( dev, &d ); + } + + if ( copy_to_user( (drm_dma_t *)arg, &d, sizeof(d) ) ) + return -EFAULT; + + return ret; } diff --git a/linux/mga_drm.c b/linux/mga_drm.c new file mode 100644 index 00000000..97e4548b --- /dev/null +++ b/linux/mga_drm.c @@ -0,0 +1,66 @@ +/* mga_drm.c -- Matrox G200/G400 core DRM -*- linux-c -*- + * Created: Mon Dec 13 01:56:22 1999 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "mga.h" +#include "drmP.h" +#include "mga_drv.h" + +/* + * This is an early version... + */ + +#define DRIVER_DEV_PRIV_T drm_mga_private_t +#define DRIVER_AGP_BUFFER_MAP dev_priv->buffers + +#include "drm_agpsupport.h" + +#include "drm_auth.h" + +#include "drm_bufs.h" + +#include "drm_context.h" + +#include "drm_dma.h" + +#include "drm_drawable.h" + +#include "drm_fops.h" + +#include "drm_init.h" + +#include "drm_ioctl.h" + +#include "drm_lock.h" + +#include "drm_memory.h" + +#include "drm_proc.h" + +#include "drm_vm.h" diff --git a/linux/mga_drm.h b/linux/mga_drm.h index 53813393..a0240f8e 100644 --- a/linux/mga_drm.h +++ b/linux/mga_drm.h @@ -11,197 +11,171 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Jeff Hartmann <jhartmann@valinux.com> * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ -#ifndef _MGA_DRM_H_ -#define _MGA_DRM_H_ +#ifndef __MGA_DRM_H__ +#define __MGA_DRM_H__ /* WARNING: If you change any of these defines, make sure to change the - * defines in the Xserver file (xf86drmMga.h) - */ -#ifndef _MGA_DEFINES_ -#define _MGA_DEFINES_ - -#define MGA_F 0x1 /* fog */ -#define MGA_A 0x2 /* alpha */ -#define MGA_S 0x4 /* specular */ -#define MGA_T2 0x8 /* multitexture */ - -#define MGA_WARP_TGZ 0 -#define MGA_WARP_TGZF (MGA_F) -#define MGA_WARP_TGZA (MGA_A) -#define MGA_WARP_TGZAF (MGA_F|MGA_A) -#define MGA_WARP_TGZS (MGA_S) -#define MGA_WARP_TGZSF (MGA_S|MGA_F) -#define MGA_WARP_TGZSA (MGA_S|MGA_A) -#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) -#define MGA_WARP_T2GZ (MGA_T2) -#define MGA_WARP_T2GZF (MGA_T2|MGA_F) -#define MGA_WARP_T2GZA (MGA_T2|MGA_A) -#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) -#define MGA_WARP_T2GZS (MGA_T2|MGA_S) -#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) -#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) -#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) - -#define MGA_MAX_G400_PIPES 16 -#define MGA_MAX_G200_PIPES 8 /* no multitex */ -#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES - -#define MGA_CARD_TYPE_G200 1 -#define MGA_CARD_TYPE_G400 2 - -#define MGA_FRONT 0x1 -#define MGA_BACK 0x2 -#define MGA_DEPTH 0x4 - -/* 3d state excluding texture units: - */ -#define MGA_CTXREG_DSTORG 0 /* validated */ -#define MGA_CTXREG_MACCESS 1 -#define MGA_CTXREG_PLNWT 2 -#define MGA_CTXREG_DWGCTL 3 -#define MGA_CTXREG_ALPHACTRL 4 -#define MGA_CTXREG_FOGCOLOR 5 -#define MGA_CTXREG_WFLAG 6 -#define MGA_CTXREG_TDUAL0 7 -#define MGA_CTXREG_TDUAL1 8 -#define MGA_CTXREG_FCOL 9 -#define MGA_CTXREG_STENCIL 10 -#define MGA_CTXREG_STENCILCTL 11 -#define MGA_CTX_SETUP_SIZE 12 - -/* 2d state + * defines in the Xserver file (mga_sarea.h) */ -#define MGA_2DREG_PITCH 0 -#define MGA_2D_SETUP_SIZE 1 +#ifndef __MGA_SAREA_DEFINES__ +#define __MGA_SAREA_DEFINES__ -/* Each texture unit has a state: +/* WARP pipe flags */ -#define MGA_TEXREG_CTL 0 -#define MGA_TEXREG_CTL2 1 -#define MGA_TEXREG_FILTER 2 -#define MGA_TEXREG_BORDERCOL 3 -#define MGA_TEXREG_ORG 4 /* validated */ -#define MGA_TEXREG_ORG1 5 -#define MGA_TEXREG_ORG2 6 -#define MGA_TEXREG_ORG3 7 -#define MGA_TEXREG_ORG4 8 -#define MGA_TEXREG_WIDTH 9 -#define MGA_TEXREG_HEIGHT 10 -#define MGA_TEX_SETUP_SIZE 11 +#define MGA_F 0x1 /* fog */ +#define MGA_A 0x2 /* alpha */ +#define MGA_S 0x4 /* specular */ +#define MGA_T2 0x8 /* multitexture */ + +#define MGA_WARP_TGZ 0 +#define MGA_WARP_TGZF (MGA_F) +#define MGA_WARP_TGZA (MGA_A) +#define MGA_WARP_TGZAF (MGA_F|MGA_A) +#define MGA_WARP_TGZS (MGA_S) +#define MGA_WARP_TGZSF (MGA_S|MGA_F) +#define MGA_WARP_TGZSA (MGA_S|MGA_A) +#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) +#define MGA_WARP_T2GZ (MGA_T2) +#define MGA_WARP_T2GZF (MGA_T2|MGA_F) +#define MGA_WARP_T2GZA (MGA_T2|MGA_A) +#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) +#define MGA_WARP_T2GZS (MGA_T2|MGA_S) +#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) +#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) +#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) + +#define MGA_MAX_G200_PIPES 8 /* no multitex */ +#define MGA_MAX_G400_PIPES 16 +#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES +#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ + +#define MGA_CARD_TYPE_G200 1 +#define MGA_CARD_TYPE_G400 2 + + +#define MGA_FRONT 0x1 +#define MGA_BACK 0x2 +#define MGA_DEPTH 0x4 /* What needs to be changed for the current vertex dma buffer? */ -#define MGA_UPLOAD_CTX 0x1 -#define MGA_UPLOAD_TEX0 0x2 -#define MGA_UPLOAD_TEX1 0x4 -#define MGA_UPLOAD_PIPE 0x8 -#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ -#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ -#define MGA_UPLOAD_2D 0x40 -#define MGA_WAIT_AGE 0x80 /* handled client-side */ -#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ -#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock - quiescent */ +#define MGA_UPLOAD_CONTEXT 0x1 +#define MGA_UPLOAD_TEX0 0x2 +#define MGA_UPLOAD_TEX1 0x4 +#define MGA_UPLOAD_PIPE 0x8 +#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ +#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ +#define MGA_UPLOAD_2D 0x40 +#define MGA_WAIT_AGE 0x80 /* handled client-side */ +#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ +#if 0 +#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock + quiescent */ +#endif /* 32 buffers of 64k each, total 2 meg. */ -#define MGA_DMA_BUF_ORDER 16 -#define MGA_DMA_BUF_SZ (1<<MGA_DMA_BUF_ORDER) -#define MGA_DMA_BUF_NR 31 +#define MGA_DMA_BUF_ORDER 16 +#define MGA_DMA_BUF_SZ (1 << MGA_DMA_BUF_ORDER) +#define MGA_DMA_BUF_NR 31 /* Keep these small for testing. */ -#define MGA_NR_SAREA_CLIPRECTS 8 +#define MGA_NR_SAREA_CLIPRECTS 8 /* 2 heaps (1 for card, 1 for agp), each divided into upto 128 - * regions, subject to a minimum region size of (1<<16) == 64k. + * regions, subject to a minimum region size of (1<<16) == 64k. * * Clients may subdivide regions internally, but when sharing between - * clients, the region size is the minimum granularity. + * clients, the region size is the minimum granularity. */ -#define MGA_CARD_HEAP 0 -#define MGA_AGP_HEAP 1 -#define MGA_NR_TEX_HEAPS 2 -#define MGA_NR_TEX_REGIONS 16 -#define MGA_LOG_MIN_TEX_REGION_SIZE 16 -#endif +#define MGA_CARD_HEAP 0 +#define MGA_AGP_HEAP 1 +#define MGA_NR_TEX_HEAPS 2 +#define MGA_NR_TEX_REGIONS 16 +#define MGA_LOG_MIN_TEX_REGION_SIZE 16 -typedef struct _drm_mga_warp_index { - int installed; - unsigned long phys_addr; - int size; -} drm_mga_warp_index_t; +#endif /* __MGA_SAREA_DEFINES__ */ -typedef struct drm_mga_init { - enum { - MGA_INIT_DMA = 0x01, - MGA_CLEANUP_DMA = 0x02 - } func; - int reserved_map_agpstart; - int reserved_map_idx; - int buffer_map_idx; - int sarea_priv_offset; - int primary_size; - int warp_ucode_size; - unsigned int frontOffset; - unsigned int backOffset; - unsigned int depthOffset; - unsigned int textureOffset; - unsigned int textureSize; - unsigned int agpTextureOffset; - unsigned int agpTextureSize; - unsigned int cpp; - unsigned int stride; - int sgram; - int chipset; - drm_mga_warp_index_t WarpIndex[MGA_MAX_WARP_PIPES]; - unsigned int mAccess; -} drm_mga_init_t; -/* Warning: if you change the sarea structure, you must change the Xserver - * structures as well */ +/* Setup registers for 3D context + */ +typedef struct { + unsigned int dstorg; + unsigned int maccess; + unsigned int plnwt; + unsigned int dwgctl; + unsigned int alphactrl; + unsigned int fogcolor; + unsigned int wflag; + unsigned int tdualstage0; + unsigned int tdualstage1; + unsigned int fcol; + unsigned int stencil; + unsigned int stencilctl; +} drm_mga_context_regs_t; + +/* Setup registers for 2D, X server + */ +typedef struct { + unsigned int pitch; +} drm_mga_server_regs_t; -typedef struct _drm_mga_tex_region { - unsigned char next, prev; - unsigned char in_use; - unsigned int age; -} drm_mga_tex_region_t; +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int texctl; + unsigned int texctl2; + unsigned int texfilter; + unsigned int texbordercol; + unsigned int texorg; + unsigned int texwidth; + unsigned int texheight; + unsigned int texorg1; + unsigned int texorg2; + unsigned int texorg3; + unsigned int texorg4; +} drm_mga_texture_regs_t; typedef struct _drm_mga_sarea { /* The channel for communication of state information to the kernel * on firing a vertex dma buffer. */ - unsigned int ContextState[MGA_CTX_SETUP_SIZE]; - unsigned int ServerState[MGA_2D_SETUP_SIZE]; - unsigned int TexState[2][MGA_TEX_SETUP_SIZE]; - unsigned int WarpPipe; + drm_mga_context_regs_t context_state; + drm_mga_server_regs_t server_state; + drm_mga_texture_regs_t tex_state[2]; + unsigned int warp_pipe; unsigned int dirty; + unsigned int vertsize; - unsigned int nbox; + /* The current cliprects, or a subset thereof. + */ drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; - + unsigned int nbox; /* Information about the most recently used 3d drawable. The - * client fills in the req_* fields, the server fills in the + * client fills in the req_* fields, the server fills in the * exported_ fields and puts the cliprects into boxes, above. * * The client clears the exported_drawable field before @@ -210,75 +184,104 @@ typedef struct _drm_mga_sarea { unsigned int req_drawable; /* the X drawable id */ unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ - unsigned int exported_drawable; - unsigned int exported_index; - unsigned int exported_stamp; - unsigned int exported_buffers; + unsigned int exported_drawable; + unsigned int exported_index; + unsigned int exported_stamp; + unsigned int exported_buffers; unsigned int exported_nfront; unsigned int exported_nback; - int exported_back_x, exported_front_x, exported_w; + int exported_back_x, exported_front_x, exported_w; int exported_back_y, exported_front_y, exported_h; drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; - + /* Counters for aging textures and for client-side throttling. */ unsigned int last_enqueue; /* last time a buffer was enqueued */ unsigned int last_dispatch; /* age of the most recently dispatched buffer */ unsigned int last_quiescent; /* */ - - /* LRU lists for texture memory in agp space and on the card + /* LRU lists for texture memory in agp space and on the card. */ - drm_mga_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; + drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; unsigned int texAge[MGA_NR_TEX_HEAPS]; - + /* Mechanism to validate card state. */ int ctxOwner; - int vertexsize; -} drm_mga_sarea_t; +} drm_mga_sarea_t; + -/* Device specific ioctls: +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmMga.h) */ -typedef struct _drm_mga_clear { +typedef struct _drm_mga_warp_index { + int installed; + unsigned long phys_addr; + int size; +} drm_mga_warp_index_t; + +typedef struct drm_mga_init { + enum { + MGA_INIT_DMA = 0x01, + MGA_CLEANUP_DMA = 0x02 + } func; + + int sarea_priv_offset; + + int chipset; + int sgram; + + unsigned int maccess; + + unsigned int fb_cpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset, depth_pitch; + + unsigned int texture_offset[MGA_NR_TEX_HEAPS]; + unsigned int texture_size[MGA_NR_TEX_HEAPS]; + + unsigned int fb_offset; + unsigned int mmio_offset; + unsigned int warp_offset; + unsigned int primary_offset; + unsigned int buffers_offset; +} drm_mga_init_t; + +typedef struct drm_mga_fullscreen { + enum { + MGA_INIT_FULLSCREEN = 0x01, + MGA_CLEANUP_FULLSCREEN = 0x02 + } func; +} drm_mga_fullscreen_t; + +typedef struct drm_mga_clear { + unsigned int flags; unsigned int clear_color; unsigned int clear_depth; - unsigned int flags; - unsigned int clear_depth_mask; - unsigned int clear_color_mask; + unsigned int color_mask; + unsigned int depth_mask; } drm_mga_clear_t; -typedef struct _drm_mga_swap { - int dummy; -} drm_mga_swap_t; - -typedef struct _drm_mga_iload { - int idx; - int length; - unsigned int destOrg; -} drm_mga_iload_t; - -typedef struct _drm_mga_vertex { +typedef struct drm_mga_vertex { int idx; /* buffer to queue */ int used; /* bytes in use */ int discard; /* client finished with buffer? */ } drm_mga_vertex_t; -typedef struct _drm_mga_indices { +typedef struct drm_mga_indices { int idx; /* buffer to queue */ - unsigned int start; - unsigned int end; + unsigned int start; + unsigned int end; int discard; /* client finished with buffer? */ } drm_mga_indices_t; -typedef struct _drm_mga_blit { - unsigned int planemask; - unsigned int source; - unsigned int dest; - int delta_sx, delta_sy; - int delta_dx, delta_dy; - int height, ydir; /* flip image vertically */ - int source_pitch, dest_pitch; -} drm_mga_blit_t; +typedef struct drm_mga_iload { + int idx; + int length; + unsigned int destOrg; +} drm_mga_iload_t; #endif diff --git a/linux/mga_drv.c b/linux/mga_drv.c index d1c39e99..d46d6d50 100644 --- a/linux/mga_drv.c +++ b/linux/mga_drv.c @@ -1,4 +1,4 @@ -/* mga_drv.c -- Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,648 +19,130 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "mga.h" #include "drmP.h" #include "mga_drv.h" -#define MGA_NAME "mga" -#define MGA_DESC "Matrox G200/G400" -#define MGA_DATE "20000928" -#define MGA_MAJOR 2 -#define MGA_MINOR 1 -#define MGA_PATCHLEVEL 1 - -static drm_device_t mga_device; -drm_ctx_t mga_res_ctx; - -static struct file_operations mga_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: mga_open, - flush: drm_flush, - release: mga_release, - ioctl: mga_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice mga_misc = { - minor: MISC_DYNAMIC_MINOR, - name: MGA_NAME, - fops: &mga_fops, -}; - -static drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20010110" - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_blit, 1, 0 }, -}; - -#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) - -#ifdef MODULE -static char *mga = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Matrox G200/G400"); -MODULE_PARM(mga, "s"); - -#ifndef MODULE -/* mga_options is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. +/* Now that we do this, we can move the DRM(ioctls) array into a + * template file and have a DRIVER_IOCTLS block at the end. */ - -static int __init mga_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("mga=", mga_options); +static drm_ioctl_desc_t mga_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { mga_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { mga_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { mga_irq_busid, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { mga_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { mga_block, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { mga_unblock, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { mga_authmagic, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { mga_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { mga_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { mga_rmdraw, 1, 1 }, +#if 0 + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, #endif - -static int mga_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int mga_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->dev_private) mga_dma_cleanup(dev); - if (dev->irq) mga_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { mga_finish, 1, 0 }, + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { mga_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { mga_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { mga_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { mga_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { mga_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { mga_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { mga_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { mga_agp_unbind, 1, 1 }, #endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* mga_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init mga_init(void) -{ - int retcode; - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(mga); -#endif - if ((retcode = misc_register(&mga_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", MGA_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, mga_misc.minor); - dev->name = MGA_NAME; - - drm_mem_init(); - drm_proc_init(dev); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The mga drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the mga module\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return -ENOMEM; - } -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024 * 1024, - MTRR_TYPE_WRCOMB, - 1); + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, +#if 0 + [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, #endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - MGA_NAME, - MGA_MAJOR, - MGA_MINOR, - MGA_PATCHLEVEL, - MGA_DATE, - mga_misc.minor); - - return 0; -} - -/* mga_cleanup is called via cleanup_module at module unload time. */ - -static void __exit mga_cleanup(void) -{ - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&mga_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); -#ifdef CONFIG_MTRR - if(dev->agp && dev->agp->agp_mtrr) { - int retval; - retval = mtrr_del(dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024*1024); - DRM_DEBUG("mtrr_del = %d\n", retval); - } -#endif - - mga_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(mga_init); -module_exit(mga_cleanup); - - -int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; +}; -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) - version.version_major = MGA_MAJOR; - version.version_minor = MGA_MINOR; - version.version_patchlevel = MGA_PATCHLEVEL; +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 - DRM_COPY(version.name, MGA_NAME); - DRM_COPY(version.date, MGA_DATE); - DRM_COPY(version.desc, MGA_DESC); +#define __HAVE_MTRR 1 - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} +#define __HAVE_CTX_BITMAP 1 -int mga_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &mga_device; - int retcode = 0; +#define __HAVE_DMA 1 +#define __HAVE_DMA_IRQ 1 - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#if 0 +#define __HAVE_DMA_QUEUE 1 +#define __HAVE_DMA_SCHEDULE 1 #endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return mga_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int mga_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - mga_reclaim_buffers(dev, priv->pid); - DRM_INFO("Process %d dead (ctx %d, d_s = 0x%02lx)\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock), - dev->dev_private ? - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status - : 0); - - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - mga_reclaim_buffers(dev, priv->pid); - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while(temp) { - temp->authenticated = 0; - temp = temp->next; - } - } - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() \ +do { \ + drm_mga_private_t *dev_priv = dev->dev_private; \ + return mga_do_wait_for_idle( dev_priv ); \ +} while (0) + +#if 0 +#define __HAVE_DRIVER_RELEASE 1 +#define DRIVER_RELEASE() do { \ + mga_reclaim_buffers( dev, priv->pid ); \ + if ( dev->dev_private ) { \ + drm_mga_private_t *dev_priv = dev->dev_private; \ + dev_priv->dispatch_status &= MGA_IN_DISPATCH; \ + } \ +} while (0) #endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return mga_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int mga_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - if (nr >= MGA_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &mga_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function: pid = %d, cmd = 0x%02x," - " nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, - priv->authenticated); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - mga_dma_schedule(dev, 1); - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) DRM_ERROR("\n"); +#define DRIVER_PRETAKEDOWN() do { \ + if ( dev->dev_private ) mga_do_cleanup_dma( dev ); \ +} while (0) - unblock_all_signals(); - return 0; -} +#include "drm_drv.h" diff --git a/linux/mga_drv.h b/linux/mga_drv.h index d7bf6326..24d7700d 100644 --- a/linux/mga_drv.h +++ b/linux/mga_drv.h @@ -1,4 +1,4 @@ -/* mga_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,18 +19,17 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Gareth Hughes <gareth@valinux.com> */ -#ifndef _MGA_DRV_H_ -#define _MGA_DRV_H_ +#ifndef __MGA_DRV_H__ +#define __MGA_DRV_H__ #define MGA_BUF_IN_USE 0 #define MGA_BUF_SWAP_PENDING 1 @@ -38,7 +37,7 @@ #define MGA_BUF_NEEDS_OVERFLOW 3 typedef struct { - long buffer_status; /* long req'd for set_bit() --RR */ + u32 buffer_status; int num_dwords; int max_dwords; u32 *current_dma_ptr; @@ -49,22 +48,57 @@ typedef struct { int idx; } drm_mga_prim_buf_t; -typedef struct _drm_mga_freelist { - __volatile__ unsigned int age; + +enum { + MGA_DMA_IDLE, /* Primary DMA stream is idle */ + MGA_DMA_FLUSH, /* Flush primary DMA stream */ + MGA_DMA_WRAP /* Primary DMA has been wrapped */ +}; + +typedef struct drm_mga_primary_buffer { + u8 *start; + u8 *end; + int size; + + volatile u32 *head; + u32 tail; + u32 wrap; + int space; + + unsigned long status_page; + volatile u32 *status; + + u32 last_flush; + u32 low_mark; + u32 mid_mark; + u32 high_mark; + + unsigned long state; +} drm_mga_primary_buffer_t; + + +typedef struct drm_mga_freelist { + struct drm_mga_freelist *next; + struct drm_mga_freelist *prev; + volatile unsigned int age; drm_buf_t *buf; - struct _drm_mga_freelist *next; - struct _drm_mga_freelist *prev; } drm_mga_freelist_t; +typedef struct { + drm_mga_freelist_t *list_entry; + int discard; + int dispatched; +} drm_mga_buf_priv_t; + #define MGA_IN_DISPATCH 0 #define MGA_IN_FLUSH 1 #define MGA_IN_WAIT 2 #define MGA_IN_GETBUF 3 -typedef struct _drm_mga_private { - long dispatch_status; /* long req'd for set_bit() --RR */ +typedef struct drm_mga_private { + u32 dispatch_status; unsigned int next_prim_age; - __volatile__ unsigned int last_prim_age; + volatile unsigned int last_prim_age; int reserved_map_idx; int buffer_map_idx; drm_mga_sarea_t *sarea_priv; @@ -92,97 +126,112 @@ typedef struct _drm_mga_private { drm_mga_prim_buf_t *last_prim; drm_mga_prim_buf_t *current_prim; int current_prim_idx; - drm_mga_freelist_t *head; - drm_mga_freelist_t *tail; wait_queue_head_t flush_queue; /* Processes waiting until flush */ wait_queue_head_t wait_queue; /* Processes waiting until interrupt */ wait_queue_head_t buf_queue; /* Processes waiting for a free buf */ /* Some validated register values: */ u32 mAccess; + + + drm_mga_primary_buffer_t prim; + + unsigned int warp_pipe; + unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES]; + + drm_mga_freelist_t *head; + drm_mga_freelist_t *tail; + + int usec_timeout; + + u32 clear_cmd; + + unsigned int fb_cpp; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset; + unsigned int depth_pitch; + + unsigned int texture_offset; + unsigned int texture_size; + + drm_map_t *sarea; + drm_map_t *fb; + drm_map_t *mmio; + drm_map_t *warp; + drm_map_t *primary; + drm_map_t *buffers; + drm_map_t *agp_textures; } drm_mga_private_t; /* mga_drv.c */ -extern int mga_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_open(struct inode *inode, struct file *filp); -extern int mga_release(struct inode *inode, struct file *filp); -extern int mga_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int mga_version( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_open( struct inode *inode, struct file *filp ); +extern int mga_release( struct inode *inode, struct file *filp ); +extern int mga_ioctl( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_lock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_unlock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); /* mga_dma.c */ -extern int mga_dma_schedule(drm_device_t *dev, int locked); -extern int mga_dma(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_irq_install(drm_device_t *dev, int irq); -extern int mga_irq_uninstall(drm_device_t *dev); -extern int mga_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -/* mga_dma_init does init and release */ -extern int mga_dma_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_dma_cleanup(drm_device_t *dev); -extern int mga_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern unsigned int mga_create_sync_tag(drm_device_t *dev); -extern drm_buf_t *mga_freelist_get(drm_device_t *dev); -extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf); -extern int mga_advance_primary(drm_device_t *dev); -extern void mga_reclaim_buffers(drm_device_t *dev, pid_t pid); - - - /* mga_bufs.c */ -extern int mga_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int mga_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_flush( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_reset( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_control( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); +extern int mga_do_dma_idle( drm_mga_private_t *dev_priv ); +extern int mga_do_dma_reset( drm_mga_private_t *dev_priv ); +extern int mga_do_engine_reset( drm_mga_private_t *dev_priv ); +extern int mga_do_cleanup_dma( drm_device_t *dev ); + +extern int mga_dma_schedule( drm_device_t *dev, int locked ); +extern void mga_dma_wrap_or_wait( drm_mga_private_t *dev_priv, int n ); +extern int mga_irq_uninstall( drm_device_t *dev ); + /* mga_state.c */ -extern int mga_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_iload(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_indices(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_blit(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - /* mga_context.c */ -extern int mga_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int mga_context_switch(drm_device_t *dev, int old, int new); -extern int mga_context_switch_complete(drm_device_t *dev, int new); +extern int mga_dma_clear( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_swap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +#if 0 +extern int mga_clear_bufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_swap_bufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_iload( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_vertex( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_indices( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +#endif + + /* mga_warp.c */ +extern int mga_warp_install_microcode( drm_device_t *dev ); +extern int mga_warp_init( drm_device_t *dev ); #define mga_flush_write_combine() mb() + +#define MGA_BASE( reg ) ((u32)(dev_priv->mmio->handle)) +#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg) + +#define MGA_DEREF( reg ) *(__volatile__ int *)MGA_ADDR( reg ) +#define MGA_READ( reg ) MGA_DEREF( reg ) +#define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0) + typedef enum { TT_GENERAL, TT_BLIT, @@ -190,11 +239,6 @@ typedef enum { TT_VERTEX } transferType_t; -typedef struct { - drm_mga_freelist_t *my_freelist; - int discard; - int dispatched; -} drm_mga_buf_priv_t; #define DWGREG0 0x1c00 #define DWGREG0_END 0x1dff @@ -202,11 +246,10 @@ typedef struct { #define DWGREG1_END 0x2dff #define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END) -#define ADRINDEX0(r) (u8)((r - DWGREG0) >> 2) -#define ADRINDEX1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) -#define ADRINDEX(r) (ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r)) +#define DMAREG0(r) (u8)((r - DWGREG0) >> 2) +#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) +#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) -#define MGA_VERBOSE 0 #define MGA_NUM_PRIM_BUFS 8 #define PRIMLOCALS u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \ @@ -303,148 +346,399 @@ drm_mga_prim_buf_t *tmp_buf = \ } \ }while (0) + + + + +#define MGA_VERBOSE 1 + +#define DMA_LOCALS unsigned int write; volatile u8 *prim; +#define DMA_BLOCK_SIZE (5 * sizeof(u32)) + +#define BEGIN_DMA( n ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "BEGIN_DMA( %d ) in %s\n", \ + (n), __FUNCTION__ ); \ + } \ + if ( dev_priv->prim.space < (int)((n) * DMA_BLOCK_SIZE) ) { \ + mga_dma_wrap_or_wait( dev_priv, \ + (n) * DMA_BLOCK_SIZE ); \ + } \ + prim = dev_priv->prim.start; \ + write = dev_priv->prim.tail; \ +} while (0) + +#define ADVANCE_DMA() \ +do { \ + dev_priv->prim.space -= (write - dev_priv->prim.tail); \ + dev_priv->prim.tail = write; \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x s=%lx\n", \ + write, dev_priv->prim.space, \ + dev_priv->prim.state ); \ + } \ +} while (0) + +#define MAYBE_FLUSH_DMA() \ +do { \ + if ( dev_priv->prim.wrap && MGA_DMA_IS_IDLE( dev_priv ) ) { \ + DRM_INFO( "MAYBE_FLUSH_DMA() wrap at 0x%x\n", \ + dev_priv->prim.wrap ); \ + mga_do_dma_wrap( dev_priv ); \ + mga_update_primary_snapshot( dev_priv ); \ + } else if ( dev_priv->prim.tail - dev_priv->prim.last_flush >= \ + dev_priv->prim.mid_mark && \ + MGA_DMA_IS_IDLE( dev_priv ) ) { \ + DRM_INFO( "MAYBE_FLUSH_DMA() wm hit 0x%x >= 0x%x\n", \ + dev_priv->prim.tail - \ + dev_priv->prim.last_flush, \ + dev_priv->prim.mid_mark ); \ + mga_do_dma_flush( dev_priv ); \ + mga_update_primary_snapshot( dev_priv ); \ + } \ +} while (0) + +/* Never use this, always use DMA_BLOCK(...) for primary DMA output. + */ +#define DMA_WRITE( offset, val ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04x\n", \ + (u32)(val), write + (offset) * sizeof(u32) ); \ + } \ + *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \ +} while (0) + +#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \ +do { \ + DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \ + (DMAREG( reg1 ) << 8) | \ + (DMAREG( reg2 ) << 16) | \ + (DMAREG( reg3 ) << 24)) ); \ + DMA_WRITE( 1, val0 ); \ + DMA_WRITE( 2, val1 ); \ + DMA_WRITE( 3, val2 ); \ + DMA_WRITE( 4, val3 ); \ + write += DMA_BLOCK_SIZE; \ +} while (0) + + +#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_DWGENGSTS | \ + MGA_ENDPRDMASTS) +#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_ENDPRDMASTS) + +#define MGA_DMA_SOFTRAP_SIZE DMA_BLOCK_SIZE + +#define MGA_DMA_IS_IDLE( dev_priv ) test_bit( MGA_DMA_IDLE, \ + &dev_priv->prim.state ) + + +#define MGA_EMIT_STATE( dev_priv, dirty ) \ +do { \ + if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { \ + mga_g400_emit_state( dev_priv ); \ + } else { \ + mga_g200_emit_state( dev_priv ); \ + } \ + } \ +} while (0) + + /* A reduced set of the mga registers. */ -#define MGAREG_MGA_EXEC 0x0100 -#define MGAREG_ALPHACTRL 0x2c7c -#define MGAREG_AR0 0x1c60 -#define MGAREG_AR1 0x1c64 -#define MGAREG_AR2 0x1c68 -#define MGAREG_AR3 0x1c6c -#define MGAREG_AR4 0x1c70 -#define MGAREG_AR5 0x1c74 -#define MGAREG_AR6 0x1c78 -#define MGAREG_CXBNDRY 0x1c80 -#define MGAREG_CXLEFT 0x1ca0 -#define MGAREG_CXRIGHT 0x1ca4 -#define MGAREG_DMAPAD 0x1c54 -#define MGAREG_DSTORG 0x2cb8 -#define MGAREG_DWGCTL 0x1c00 -#define MGAREG_DWGSYNC 0x2c4c -#define MGAREG_FCOL 0x1c24 -#define MGAREG_FIFOSTATUS 0x1e10 -#define MGAREG_FOGCOL 0x1cf4 -#define MGAREG_FXBNDRY 0x1c84 -#define MGAREG_FXLEFT 0x1ca8 -#define MGAREG_FXRIGHT 0x1cac -#define MGAREG_ICLEAR 0x1e18 -#define MGAREG_IEN 0x1e1c -#define MGAREG_LEN 0x1c5c -#define MGAREG_MACCESS 0x1c04 -#define MGAREG_PITCH 0x1c8c -#define MGAREG_PLNWT 0x1c1c -#define MGAREG_PRIMADDRESS 0x1e58 -#define MGAREG_PRIMEND 0x1e5c -#define MGAREG_PRIMPTR 0x1e50 -#define MGAREG_SECADDRESS 0x2c40 -#define MGAREG_SECEND 0x2c44 -#define MGAREG_SETUPADDRESS 0x2cd0 -#define MGAREG_SETUPEND 0x2cd4 -#define MGAREG_SGN 0x1c58 -#define MGAREG_SOFTRAP 0x2c48 -#define MGAREG_SRCORG 0x2cb4 -#define MGAREG_STATUS 0x1e14 -#define MGAREG_STENCIL 0x2cc8 -#define MGAREG_STENCILCTL 0x2ccc -#define MGAREG_TDUALSTAGE0 0x2cf8 -#define MGAREG_TDUALSTAGE1 0x2cfc -#define MGAREG_TEXBORDERCOL 0x2c5c -#define MGAREG_TEXCTL 0x2c30 -#define MGAREG_TEXCTL2 0x2c3c -#define MGAREG_TEXFILTER 0x2c58 -#define MGAREG_TEXHEIGHT 0x2c2c -#define MGAREG_TEXORG 0x2c24 -#define MGAREG_TEXORG1 0x2ca4 -#define MGAREG_TEXORG2 0x2ca8 -#define MGAREG_TEXORG3 0x2cac -#define MGAREG_TEXORG4 0x2cb0 -#define MGAREG_TEXTRANS 0x2c34 -#define MGAREG_TEXTRANSHIGH 0x2c38 -#define MGAREG_TEXWIDTH 0x2c28 -#define MGAREG_WACCEPTSEQ 0x1dd4 -#define MGAREG_WCODEADDR 0x1e6c -#define MGAREG_WFLAG 0x1dc4 -#define MGAREG_WFLAG1 0x1de0 -#define MGAREG_WFLAGNB 0x1e64 -#define MGAREG_WFLAGNB1 0x1e08 -#define MGAREG_WGETMSB 0x1dc8 -#define MGAREG_WIADDR 0x1dc0 -#define MGAREG_WIADDR2 0x1dd8 -#define MGAREG_WMISC 0x1e70 -#define MGAREG_WVRTXSZ 0x1dcc -#define MGAREG_YBOT 0x1c9c -#define MGAREG_YDST 0x1c90 -#define MGAREG_YDSTLEN 0x1c88 -#define MGAREG_YDSTORG 0x1c94 -#define MGAREG_YTOP 0x1c98 -#define MGAREG_ZORG 0x1c0c - -/* Warp registers */ -#define MGAREG_WR0 0x2d00 -#define MGAREG_WR1 0x2d04 -#define MGAREG_WR2 0x2d08 -#define MGAREG_WR3 0x2d0c -#define MGAREG_WR4 0x2d10 -#define MGAREG_WR5 0x2d14 -#define MGAREG_WR6 0x2d18 -#define MGAREG_WR7 0x2d1c -#define MGAREG_WR8 0x2d20 -#define MGAREG_WR9 0x2d24 -#define MGAREG_WR10 0x2d28 -#define MGAREG_WR11 0x2d2c -#define MGAREG_WR12 0x2d30 -#define MGAREG_WR13 0x2d34 -#define MGAREG_WR14 0x2d38 -#define MGAREG_WR15 0x2d3c -#define MGAREG_WR16 0x2d40 -#define MGAREG_WR17 0x2d44 -#define MGAREG_WR18 0x2d48 -#define MGAREG_WR19 0x2d4c -#define MGAREG_WR20 0x2d50 -#define MGAREG_WR21 0x2d54 -#define MGAREG_WR22 0x2d58 -#define MGAREG_WR23 0x2d5c -#define MGAREG_WR24 0x2d60 -#define MGAREG_WR25 0x2d64 -#define MGAREG_WR26 0x2d68 -#define MGAREG_WR27 0x2d6c -#define MGAREG_WR28 0x2d70 -#define MGAREG_WR29 0x2d74 -#define MGAREG_WR30 0x2d78 -#define MGAREG_WR31 0x2d7c -#define MGAREG_WR32 0x2d80 -#define MGAREG_WR33 0x2d84 -#define MGAREG_WR34 0x2d88 -#define MGAREG_WR35 0x2d8c -#define MGAREG_WR36 0x2d90 -#define MGAREG_WR37 0x2d94 -#define MGAREG_WR38 0x2d98 -#define MGAREG_WR39 0x2d9c -#define MGAREG_WR40 0x2da0 -#define MGAREG_WR41 0x2da4 -#define MGAREG_WR42 0x2da8 -#define MGAREG_WR43 0x2dac -#define MGAREG_WR44 0x2db0 -#define MGAREG_WR45 0x2db4 -#define MGAREG_WR46 0x2db8 -#define MGAREG_WR47 0x2dbc -#define MGAREG_WR48 0x2dc0 -#define MGAREG_WR49 0x2dc4 -#define MGAREG_WR50 0x2dc8 -#define MGAREG_WR51 0x2dcc -#define MGAREG_WR52 0x2dd0 -#define MGAREG_WR53 0x2dd4 -#define MGAREG_WR54 0x2dd8 -#define MGAREG_WR55 0x2ddc -#define MGAREG_WR56 0x2de0 -#define MGAREG_WR57 0x2de4 -#define MGAREG_WR58 0x2de8 -#define MGAREG_WR59 0x2dec -#define MGAREG_WR60 0x2df0 -#define MGAREG_WR61 0x2df4 -#define MGAREG_WR62 0x2df8 -#define MGAREG_WR63 0x2dfc +#define MGA_ALPHACTRL 0x2c7c +#define MGA_AR0 0x1c60 +#define MGA_AR1 0x1c64 +#define MGA_AR2 0x1c68 +#define MGA_AR3 0x1c6c +#define MGA_AR4 0x1c70 +#define MGA_AR5 0x1c74 +#define MGA_AR6 0x1c78 + +#define MGA_CXBNDRY 0x1c80 +#define MGA_CXLEFT 0x1ca0 +#define MGA_CXRIGHT 0x1ca4 + +#define MGA_DMAPAD 0x1c54 +#define MGA_DSTORG 0x2cb8 +#define MGA_DWGCTL 0x1c00 +# define MGA_OPCOD_MASK (15 << 0) +# define MGA_OPCOD_TRAP (4 << 0) +# define MGA_OPCOD_TEXTURE_TRAP (6 << 0) +# define MGA_OPCOD_BITBLT (8 << 0) +# define MGA_OPCOD_ILOAD (9 << 0) +# define MGA_ATYPE_MASK (7 << 4) +# define MGA_ATYPE_RPL (0 << 4) +# define MGA_ATYPE_RSTR (1 << 4) +# define MGA_ATYPE_ZI (3 << 4) +# define MGA_ATYPE_BLK (4 << 4) +# define MGA_ATYPE_I (7 << 4) +# define MGA_LINEAR (1 << 7) +# define MGA_ZMODE_MASK (7 << 8) +# define MGA_ZMODE_NOZCMP (0 << 8) +# define MGA_ZMODE_ZE (2 << 8) +# define MGA_ZMODE_ZNE (3 << 8) +# define MGA_ZMODE_ZLT (4 << 8) +# define MGA_ZMODE_ZLTE (5 << 8) +# define MGA_ZMODE_ZGT (6 << 8) +# define MGA_ZMODE_ZGTE (7 << 8) +# define MGA_SOLID (1 << 11) +# define MGA_ARZERO (1 << 12) +# define MGA_SGNZERO (1 << 13) +# define MGA_SHIFTZERO (1 << 14) +# define MGA_BOP_MASK (15 << 16) +# define MGA_BOP_ZERO (0 << 16) +# define MGA_BOP_DST (10 << 16) +# define MGA_BOP_SRC (12 << 16) +# define MGA_BOP_ONE (15 << 16) +# define MGA_TRANS_SHIFT 20 +# define MGA_TRANS_MASK (15 << 20) +# define MGA_BLTMOD_MASK (15 << 25) +# define MGA_BLTMOD_BMONOLEF (0 << 25) +# define MGA_BLTMOD_BMONOWF (4 << 25) +# define MGA_BLTMOD_PLAN (1 << 25) +# define MGA_BLTMOD_BFCOL (2 << 25) +# define MGA_BLTMOD_BU32BGR (3 << 25) +# define MGA_BLTMOD_BU32RGB (7 << 25) +# define MGA_BLTMOD_BU24BGR (11 << 25) +# define MGA_BLTMOD_BU24RGB (15 << 25) +# define MGA_PATTERN (1 << 29) +# define MGA_TRANSC (1 << 30) +# define MGA_CLIPDIS (1 << 31) +#define MGA_DWGSYNC 0x2c4c + +#define MGA_FCOL 0x1c24 +#define MGA_FIFOSTATUS 0x1e10 +#define MGA_FOGCOL 0x1cf4 +#define MGA_FXBNDRY 0x1c84 +#define MGA_FXLEFT 0x1ca8 +#define MGA_FXRIGHT 0x1cac + +#define MGA_ICLEAR 0x1e18 +# define MGA_SOFTRAPICLR (1 << 0) +#define MGA_IEN 0x1e1c +# define MGA_SOFTRAPIEN (1 << 0) + +#define MGA_LEN 0x1c5c + +#define MGA_MACCESS 0x1c04 + +#define MGA_PITCH 0x1c8c +#define MGA_PLNWT 0x1c1c +#define MGA_PRIMADDRESS 0x1e58 +# define MGA_DMA_GENERAL (0 << 0) +# define MGA_DMA_BLIT (1 << 0) +# define MGA_DMA_VECTOR (2 << 0) +# define MGA_DMA_VERTEX (3 << 0) +#define MGA_PRIMEND 0x1e5c +# define MGA_PRIMNOSTART (1 << 0) +# define MGA_PAGPXFER (1 << 1) +#define MGA_PRIMPTR 0x1e50 +# define MGA_PRIMPTREN0 (1 << 0) +# define MGA_PRIMPTREN1 (1 << 1) + +#define MGA_RST 0x1e40 +# define MGA_SOFTRESET (1 << 0) +# define MGA_SOFTEXTRST (1 << 1) + +#define MGA_SECADDRESS 0x2c40 +#define MGA_SECEND 0x2c44 +#define MGA_SETUPADDRESS 0x2cd0 +#define MGA_SETUPEND 0x2cd4 +#define MGA_SOFTRAP 0x2c48 +#define MGA_SRCORG 0x2cb4 +#define MGA_STATUS 0x1e14 +# define MGA_SOFTRAPEN (1 << 0) +# define MGA_DWGENGSTS (1 << 16) +# define MGA_ENDPRDMASTS (1 << 17) +#define MGA_STENCIL 0x2cc8 +#define MGA_STENCILCTL 0x2ccc + +#define MGA_TDUALSTAGE0 0x2cf8 +#define MGA_TDUALSTAGE1 0x2cfc +#define MGA_TEXBORDERCOL 0x2c5c +#define MGA_TEXCTL 0x2c30 +#define MGA_TEXCTL2 0x2c3c +# define MGA_DUALTEX (1 << 7) +# define MGA_G400_TC2_MAGIC (1 << 15) +# define MGA_MAP1_ENABLE (1 << 31) +#define MGA_TEXFILTER 0x2c58 +#define MGA_TEXHEIGHT 0x2c2c +#define MGA_TEXORG 0x2c24 +# define MGA_TEXORGMAP_MASK (1 << 0) +# define MGA_TEXORGMAP_FB (0 << 0) +# define MGA_TEXORGMAP_SYSMEM (1 << 0) +# define MGA_TEXORGACC_MASK (1 << 1) +# define MGA_TEXORGACC_PCI (0 << 1) +# define MGA_TEXORGACC_AGP (1 << 1) +#define MGA_TEXORG1 0x2ca4 +#define MGA_TEXORG2 0x2ca8 +#define MGA_TEXORG3 0x2cac +#define MGA_TEXORG4 0x2cb0 +#define MGA_TEXTRANS 0x2c34 +#define MGA_TEXTRANSHIGH 0x2c38 +#define MGA_TEXWIDTH 0x2c28 + +#define MGA_WACCEPTSEQ 0x1dd4 +#define MGA_WCODEADDR 0x1e6c +#define MGA_WFLAG 0x1dc4 +#define MGA_WFLAG1 0x1de0 +#define MGA_WFLAGNB 0x1e64 +#define MGA_WFLAGNB1 0x1e08 +#define MGA_WGETMSB 0x1dc8 +#define MGA_WIADDR 0x1dc0 +#define MGA_WIADDR2 0x1dd8 +# define MGA_WMODE_SUSPEND (0 << 0) +# define MGA_WMODE_RESUME (1 << 0) +# define MGA_WMODE_JUMP (2 << 0) +# define MGA_WMODE_START (3 << 0) +# define MGA_WAGP_ENABLE (1 << 2) +#define MGA_WMISC 0x1e70 +# define MGA_WUCODECACHE_ENABLE (1 << 0) +# define MGA_WMASTER_ENABLE (1 << 1) +# define MGA_WCACHEFLUSH_ENABLE (1 << 3) +#define MGA_WVRTXSZ 0x1dcc + +#define MGA_YBOT 0x1c9c +#define MGA_YDST 0x1c90 +#define MGA_YDSTLEN 0x1c88 +#define MGA_YDSTORG 0x1c94 +#define MGA_YTOP 0x1c98 + +#define MGA_ZORG 0x1c0c + +/* This finishes the current batch of commands + */ +#define MGA_EXEC 0x0100 + +/* Warp registers + */ +#define MGA_WR0 0x2d00 +#define MGA_WR1 0x2d04 +#define MGA_WR2 0x2d08 +#define MGA_WR3 0x2d0c +#define MGA_WR4 0x2d10 +#define MGA_WR5 0x2d14 +#define MGA_WR6 0x2d18 +#define MGA_WR7 0x2d1c +#define MGA_WR8 0x2d20 +#define MGA_WR9 0x2d24 +#define MGA_WR10 0x2d28 +#define MGA_WR11 0x2d2c +#define MGA_WR12 0x2d30 +#define MGA_WR13 0x2d34 +#define MGA_WR14 0x2d38 +#define MGA_WR15 0x2d3c +#define MGA_WR16 0x2d40 +#define MGA_WR17 0x2d44 +#define MGA_WR18 0x2d48 +#define MGA_WR19 0x2d4c +#define MGA_WR20 0x2d50 +#define MGA_WR21 0x2d54 +#define MGA_WR22 0x2d58 +#define MGA_WR23 0x2d5c +#define MGA_WR24 0x2d60 +#define MGA_WR25 0x2d64 +#define MGA_WR26 0x2d68 +#define MGA_WR27 0x2d6c +#define MGA_WR28 0x2d70 +#define MGA_WR29 0x2d74 +#define MGA_WR30 0x2d78 +#define MGA_WR31 0x2d7c +#define MGA_WR32 0x2d80 +#define MGA_WR33 0x2d84 +#define MGA_WR34 0x2d88 +#define MGA_WR35 0x2d8c +#define MGA_WR36 0x2d90 +#define MGA_WR37 0x2d94 +#define MGA_WR38 0x2d98 +#define MGA_WR39 0x2d9c +#define MGA_WR40 0x2da0 +#define MGA_WR41 0x2da4 +#define MGA_WR42 0x2da8 +#define MGA_WR43 0x2dac +#define MGA_WR44 0x2db0 +#define MGA_WR45 0x2db4 +#define MGA_WR46 0x2db8 +#define MGA_WR47 0x2dbc +#define MGA_WR48 0x2dc0 +#define MGA_WR49 0x2dc4 +#define MGA_WR50 0x2dc8 +#define MGA_WR51 0x2dcc +#define MGA_WR52 0x2dd0 +#define MGA_WR53 0x2dd4 +#define MGA_WR54 0x2dd8 +#define MGA_WR55 0x2ddc +#define MGA_WR56 0x2de0 +#define MGA_WR57 0x2de4 +#define MGA_WR58 0x2de8 +#define MGA_WR59 0x2dec +#define MGA_WR60 0x2df0 +#define MGA_WR61 0x2df4 +#define MGA_WR62 0x2df8 +#define MGA_WR63 0x2dfc +# define MGA_G400_WR_MAGIC (1 << 6) +# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */ + + +#define MGA_ILOAD_ALIGN 64 +#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1) + +#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \ + MGA_ATYPE_I | \ + MGA_ZMODE_NOZCMP | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_BOP_SRC | \ + (15 << MGA_TRANS_SHIFT)) + +#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \ + MGA_ZMODE_NOZCMP | \ + MGA_SOLID | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BMONOLEF | \ + MGA_TRANSC | \ + MGA_CLIPDIS) + +#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \ + MGA_ATYPE_RPL | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BFCOL | \ + MGA_CLIPDIS) + + + + + +#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | \ + DC_sgnzero_enable | DC_shftzero_enable | \ + (0xC << DC_bop_SHIFT) | DC_clipdis_enable | \ + DC_solid_enable | DC_transc_enable) + + +#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy | \ + DC_solid_disable | DC_arzero_disable | \ + DC_sgnzero_enable | DC_shftzero_enable | \ + (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | \ + DC_pattern_disable | DC_transc_disable | \ + DC_clipdis_enable) \ + +#define MGA_FLUSH_CMD (DC_opcod_texture_trap | (0xF << DC_trans_SHIFT) |\ + DC_arzero_enable | DC_sgnzero_enable | \ + DC_atype_i) + #define PDEA_pagpxfer_enable 0x2 @@ -500,12 +794,6 @@ drm_mga_prim_buf_t *tmp_buf = \ #define DC_clipdis_enable 0x80000000 -#define SO_srcacc_pci 0x0 -#define SO_srcacc_agp 0x2 -#define SO_srcmap_fb 0x0 -#define SO_srcmap_sys 0x1 - - #define SETADD_mode_vertlist 0x0 diff --git a/linux/mga_state.c b/linux/mga_state.c index bba8fa35..746f268c 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -1,4 +1,4 @@ -/* mga_state.c -- State support for mga g200/g400 -*- linux-c -*- +/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*- * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,28 +19,34 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keithw@valinux.com> + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "mga.h" #include "drmP.h" #include "mga_drv.h" #include "drm.h" + + /* If you change the functions to set state, PLEASE * change these values */ #define MGAEMITCLIP_SIZE 10 #define MGAEMITCTX_SIZE 20 -#define MGAG200EMITTEX_SIZE 20 +#define MGAG200EMITTEX_SIZE 20 #define MGAG400EMITTEX0_SIZE 30 #define MGAG400EMITTEX1_SIZE 25 #define MGAG400EMITPIPE_SIZE 50 @@ -50,373 +56,383 @@ MGAEMITCTX_SIZE + MGAG400EMITTEX0_SIZE + \ MGAG400EMITTEX1_SIZE + MGAG400EMITPIPE_SIZE) -static void mgaEmitClipRect(drm_mga_private_t * dev_priv, - drm_clip_rect_t * box) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - PRIMLOCALS; - - /* This takes 10 dwords */ - PRIMGETPTR(dev_priv); - /* Force reset of dwgctl on G400 (eliminates clip disable bit) */ - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { -#if 0 - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); -#else - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000); -#endif - } - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_CXBNDRY, ((box->x2) << 16) | (box->x1)); - PRIMOUTREG(MGAREG_YTOP, box->y1 * dev_priv->stride / dev_priv->cpp); - PRIMOUTREG(MGAREG_YBOT, box->y2 * dev_priv->stride / dev_priv->cpp); - - PRIMADVANCE(dev_priv); -} +/* ================================================================ + * DMA hardware state programming functions + */ -static void mgaEmitContext(drm_mga_private_t * dev_priv) +static void mga_emit_clip_rect( drm_mga_private_t *dev_priv, + drm_clip_rect_t *box ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - PRIMLOCALS; - - /* This takes a max of 20 dwords */ - PRIMGETPTR(dev_priv); + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + unsigned int pitch = dev_priv->front_pitch; + DMA_LOCALS; - PRIMOUTREG(MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG]); - PRIMOUTREG(MGAREG_MACCESS, regs[MGA_CTXREG_MACCESS]); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); + BEGIN_DMA( 2 ); - PRIMOUTREG(MGAREG_ALPHACTRL, regs[MGA_CTXREG_ALPHACTRL]); - PRIMOUTREG(MGAREG_FOGCOL, regs[MGA_CTXREG_FOGCOLOR]); - PRIMOUTREG(MGAREG_WFLAG, regs[MGA_CTXREG_WFLAG]); - PRIMOUTREG(MGAREG_ZORG, dev_priv->depthOffset); /* invarient */ - - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - PRIMOUTREG(MGAREG_WFLAG1, regs[MGA_CTXREG_WFLAG]); - PRIMOUTREG(MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0]); - PRIMOUTREG(MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1]); - PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); - - PRIMOUTREG(MGAREG_STENCIL, regs[MGA_CTXREG_STENCIL]); - PRIMOUTREG(MGAREG_STENCILCTL, regs[MGA_CTXREG_STENCILCTL]); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - } else { - PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + /* Force reset of DWGCTL on G400 (eliminates clip disable bit). + */ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000, + MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000 ); } + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_CXBNDRY, (box->x2 << 16) | box->x1, + MGA_YTOP, box->y1 * pitch / dev_priv->cpp, + MGA_YBOT, box->y2 * pitch / dev_priv->cpp ); - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -static void mgaG200EmitTex(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[0]; - PRIMLOCALS; - - PRIMGETPTR(dev_priv); - - /* This takes 20 dwords */ + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2]); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + BEGIN_DMA( 2 ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR24, regs[MGA_TEXREG_WIDTH]); + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); - PRIMOUTREG(MGAREG_WR34, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_FCOL, ctx->fcol, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -#define TMC_dualtex_enable 0x80 - -static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) +static inline void mga_g400_emit_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[0]; - PRIMLOCALS; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 4 ); - /* This takes 30 dwords */ + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_WFLAG1, ctx->wflag, + MGA_TDUALSTAGE0, ctx->tdualstage0, + MGA_TDUALSTAGE1, ctx->tdualstage1, + MGA_FCOL, ctx->fcol ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR49, 0); - - PRIMOUTREG(MGAREG_WR57, 0); - PRIMOUTREG(MGAREG_WR53, 0); - PRIMOUTREG(MGAREG_WR61, 0); - PRIMOUTREG(MGAREG_WR52, 0x40); - - PRIMOUTREG(MGAREG_WR60, 0x40); - PRIMOUTREG(MGAREG_WR54, regs[MGA_TEXREG_WIDTH] | 0x40); - PRIMOUTREG(MGAREG_WR62, regs[MGA_TEXREG_HEIGHT] | 0x40); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_STENCIL, ctx->stencil, + MGA_STENCILCTL, ctx->stencilctl, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -#define TMC_map1_enable 0x80000000 - -static void mgaG400EmitTex1(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_tex0( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[1]; - PRIMLOCALS; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 4 ); - /* This takes 25 dwords */ + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); - PRIMOUTREG(MGAREG_TEXCTL2, - regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 0x00008000); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR24, tex->texwidth ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR49, 0); + DMA_BLOCK( MGA_WR34, tex->texheight, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WR57, 0); - PRIMOUTREG(MGAREG_WR53, 0); - PRIMOUTREG(MGAREG_WR61, 0); - PRIMOUTREG(MGAREG_WR52, regs[MGA_TEXREG_WIDTH] | 0x40); - - PRIMOUTREG(MGAREG_WR60, regs[MGA_TEXREG_HEIGHT] | 0x40); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000); + ADVANCE_DMA(); +} - PRIMADVANCE(dev_priv); +static inline void mga_g400_emit_tex0( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; + + BEGIN_DMA( 6 ); + + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC, + MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC, + MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff ); + + ADVANCE_DMA(); } -#define MAGIC_FPARAM_HEX_VALUE 0x46480000 -/* This is the hex value of 12800.0f which is a magic value we must - * set in wr56. - */ +static inline void mga_g400_emit_tex1( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1]; + DMA_LOCALS; + + BEGIN_DMA( 6 ); + + DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 | + MGA_MAP1_ENABLE | + MGA_G400_TC2_MAGIC), + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC ); + + ADVANCE_DMA(); +} -static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_pipe( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->WarpPipe; - PRIMLOCALS; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 3 ); - /* This takes 50 dwords */ + DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND, + MGA_WVRTXSZ, 0x00000007, + MGA_WFLAG, 0x00000000, + MGA_WR24, 0x00000000 ); - /* Establish vertex size. - */ - PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_WR25, 0x00000100, + MGA_WR34, 0x00000000, + MGA_WR42, 0x0000ffff, + MGA_WR60, 0x0000ffff ); - if (pipe & MGA_T2) { - PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + /* Padding required to to hardware bug. + */ + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); +} - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000); +static inline void mga_g400_emit_pipe( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; + + BEGIN_DMA( 10 ); + + DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + if ( pipe & MGA_T2 ) { + DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x1e000000 ); } else { - if (dev_priv->WarpPipe & MGA_T2) { - /* Flush the WARP pipe */ - PRIMOUTREG(MGAREG_YDST, 0); - PRIMOUTREG(MGAREG_FXLEFT, 0); - PRIMOUTREG(MGAREG_FXRIGHT, 1); - PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD); - - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - - PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000); - PRIMOUTREG(MGAREG_DMAPAD, 0); + if ( dev_priv->warp_pipe & MGA_T2 ) { + /* Flush the WARP pipe. + */ + DMA_BLOCK( MGA_YDST, 0x00000000, + MGA_FXLEFT, 0x00000000, + MGA_FXRIGHT, 0x00000001, + MGA_DWGCTL, MGA_DWGCTL_FLUSH ); + + DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001, + MGA_DWGSYNC, 0x00007000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_LEN + MGA_EXEC, 0x00000000 ); + + DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX | + MGA_G400_TC2_MAGIC), + MGA_LEN + MGA_EXEC, 0x00000000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_DMAPAD, 0x00000000 ); } - PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_WVRTXSZ, 0x00001807, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x18000000); + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x18000000 ); } - PRIMOUTREG(MGAREG_WFLAG, 0); - PRIMOUTREG(MGAREG_WFLAG1, 0); - PRIMOUTREG(MGAREG_WR56, MAGIC_FPARAM_HEX_VALUE); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_WFLAG, 0x00000000, + MGA_WFLAG1, 0x00000000, + MGA_WR56, MGA_G400_WR56_MAGIC, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WR49, 0); /* Tex stage 0 */ - PRIMOUTREG(MGAREG_WR57, 0); /* Tex stage 0 */ - PRIMOUTREG(MGAREG_WR53, 0); /* Tex stage 1 */ - PRIMOUTREG(MGAREG_WR61, 0); /* Tex stage 1 */ - - PRIMOUTREG(MGAREG_WR54, 0x40); /* Tex stage 0 : w */ - PRIMOUTREG(MGAREG_WR62, 0x40); /* Tex stage 0 : h */ - PRIMOUTREG(MGAREG_WR52, 0x40); /* Tex stage 1 : w */ - PRIMOUTREG(MGAREG_WR60, 0x40); /* Tex stage 1 : h */ - - /* Dma pading required due to hw bug */ - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR2, - (u32) (dev_priv->WarpIndex[pipe]. - phys_addr | WIA_wmode_start | WIA_wagp_agp)); - PRIMADVANCE(dev_priv); + DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */ + MGA_WR57, 0x00000000, /* tex0 */ + MGA_WR53, 0x00000000, /* tex1 */ + MGA_WR61, 0x00000000 ); /* tex1 */ + + DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */ + MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */ + MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */ + MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */ + + /* Padding required to to hardware bug. + */ + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); } -static void mgaG200EmitPipe(drm_mga_private_t * dev_priv) +static void mga_g200_emit_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->WarpPipe; - PRIMLOCALS; - - PRIMGETPTR(dev_priv); - - /* This takes 15 dwords */ - - PRIMOUTREG(MGAREG_WIADDR, WIA_wmode_suspend); - PRIMOUTREG(MGAREG_WVRTXSZ, 7); - PRIMOUTREG(MGAREG_WFLAG, 0); - PRIMOUTREG(MGAREG_WR24, 0); /* tex w/h */ + unsigned int dirty = sarea_priv->dirty; - PRIMOUTREG(MGAREG_WR25, 0x100); - PRIMOUTREG(MGAREG_WR34, 0); /* tex w/h */ - PRIMOUTREG(MGAREG_WR42, 0xFFFF); - PRIMOUTREG(MGAREG_WR60, 0xFFFF); + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g200_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } - /* Dma pading required due to hw bug */ - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR, - (u32) (dev_priv->WarpIndex[pipe]. - phys_addr | WIA_wmode_start | WIA_wagp_agp)); + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g200_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } - PRIMADVANCE( dev_priv ); + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g200_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } } -static void mgaEmitState(drm_mga_private_t * dev_priv) +static void mga_g400_emit_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; + int multitex = sarea_priv->warp_pipe & MGA_T2; - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - int multitex = sarea_priv->WarpPipe & MGA_T2; - - if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { - mgaG400EmitPipe(dev_priv); - dev_priv->WarpPipe = sarea_priv->WarpPipe; - } - - if (dirty & MGA_UPLOAD_CTX) { - mgaEmitContext(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CTX; - } - - if (dirty & MGA_UPLOAD_TEX0) { - mgaG400EmitTex0(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g400_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } - if ((dirty & MGA_UPLOAD_TEX1) && multitex) { - mgaG400EmitTex1(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; - } - } else { - if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { - mgaG200EmitPipe(dev_priv); - dev_priv->WarpPipe = sarea_priv->WarpPipe; - } + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g400_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } - if (dirty & MGA_UPLOAD_CTX) { - mgaEmitContext(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CTX; - } + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g400_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } - if (dirty & MGA_UPLOAD_TEX0) { - mgaG200EmitTex(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } + if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) { + mga_g400_emit_tex1( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; } } + +/* ================================================================ + * SAREA state verification + */ + /* Disallow all write destinations except the front and backbuffer. */ -static int mgaVerifyContext(drm_mga_private_t * dev_priv) +static int mga_verify_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - - if (regs[MGA_CTXREG_DSTORG] != dev_priv->frontOffset && - regs[MGA_CTXREG_DSTORG] != dev_priv->backOffset) { - DRM_DEBUG("BAD DSTORG: %x (front %x, back %x)\n\n", - regs[MGA_CTXREG_DSTORG], dev_priv->frontOffset, - dev_priv->backOffset); - regs[MGA_CTXREG_DSTORG] = 0; - return -1; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + + if ( ctx->dstorg != dev_priv->front_offset && + ctx->dstorg != dev_priv->back_offset ) { + DRM_DEBUG( "*** bad DSTORG: %x (front %x, back %x)\n\n", + ctx->dstorg, dev_priv->front_offset, + dev_priv->back_offset ); + ctx->dstorg = 0; + return -EINVAL; } return 0; @@ -424,65 +440,208 @@ static int mgaVerifyContext(drm_mga_private_t * dev_priv) /* Disallow texture reads from PCI space. */ -static int mgaVerifyTex(drm_mga_private_t * dev_priv, int unit) +static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit]; + unsigned int org; - if ((sarea_priv->TexState[unit][MGA_TEXREG_ORG] & 0x3) == 0x1) { - DRM_DEBUG("BAD TEXREG_ORG: %x, unit %d\n", - sarea_priv->TexState[unit][MGA_TEXREG_ORG], - unit); - sarea_priv->TexState[unit][MGA_TEXREG_ORG] = 0; - return -1; + org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK); + + if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) { + DRM_DEBUG( "*** bad TEXORG: 0x%x, unit %d\n", + tex->texorg, unit ); + tex->texorg = 0; + return -EINVAL; } return 0; } -static int mgaVerifyState(drm_mga_private_t * dev_priv) +static int mga_verify_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; - int rv = 0; + int ret = 0; - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - if (dirty & MGA_UPLOAD_CTX) - rv |= mgaVerifyContext(dev_priv); + if ( dirty & MGA_UPLOAD_CONTEXT ) + ret |= mga_verify_context( dev_priv ); - if (dirty & MGA_UPLOAD_TEX0) - rv |= mgaVerifyTex(dev_priv, 0); + if ( dirty & MGA_UPLOAD_TEX0 ) + ret |= mga_verify_tex( dev_priv, 0 ); - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - if (dirty & MGA_UPLOAD_TEX1) - rv |= mgaVerifyTex(dev_priv, 1); + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + if ( dirty & MGA_UPLOAD_TEX1 ) + ret |= mga_verify_tex( dev_priv, 1 ); - if (dirty & MGA_UPLOAD_PIPE) - rv |= (sarea_priv->WarpPipe > MGA_MAX_G400_PIPES); + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES ); } else { - if (dirty & MGA_UPLOAD_PIPE) - rv |= (sarea_priv->WarpPipe > MGA_MAX_G200_PIPES); + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= (sarea_priv->warp_pipe > MGA_MAX_G200_PIPES); } - return rv == 0; + return ( ret == 0 ); } -static int mgaVerifyIload(drm_mga_private_t * dev_priv, - unsigned long bus_address, - unsigned int dstOrg, int length) +static int mga_verify_tex_blit( drm_mga_private_t *dev_priv, + unsigned long bus_address, + unsigned int dstorg, int length ) { - if (dstOrg < dev_priv->textureOffset || - dstOrg + length > - (dev_priv->textureOffset + dev_priv->textureSize)) { + if ( dstorg < dev_priv->texture_offset || + dstorg + length > (dev_priv->texture_offset + + dev_priv->texture_size) ) { return -EINVAL; } - if (length % 64) { + + if ( length & MGA_ILOAD_MASK ) { return -EINVAL; } + return 0; } + + + + + + + + +static void mga_dma_dispatch_clear( drm_device_t *dev, + drm_mga_clear_t *clear ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + int i; + DMA_LOCALS; + DRM_INFO( "%s\n", __FUNCTION__ ); + + for ( i = 0 ; i < nbox ; i++ ) { + unsigned int height = pbox[i].y2 - pbox[i].y1; + + BEGIN_DMA( 6 ); + + if ( clear->flags & MGA_FRONT ) { + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (pbox[i].y1 << 16) | height, + MGA_FXBNDRY, (pbox[i].x2 << 16) | pbox[i].x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->front_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + } + + if ( clear->flags & MGA_BACK ) { + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (pbox[i].y1 << 16) | height, + MGA_FXBNDRY, (pbox[i].x2 << 16) | pbox[i].x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->back_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + } + + if ( clear->flags & MGA_DEPTH ) { + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->depth_mask, + MGA_YDSTLEN, (pbox[i].y1 << 16) | height, + MGA_FXBNDRY, (pbox[i].x2 << 16) | pbox[i].x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_depth, + MGA_DSTORG, dev_priv->depth_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + } + + ADVANCE_DMA(); + } +#if 0 + /* Force reset of DWGCTL. + */ + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); +#endif +} + +#if 0 +static void mga_dma_dispatch_swap(drm_device_t * dev) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int *regs = sarea_priv->ContextState; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int i; + int pixel_stride = dev_priv->stride / dev_priv->cpp; + + PRIMLOCALS; + + PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); + + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); + PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); + + PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); + PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); + PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset); + PRIMOUTREG(MGAREG_AR5, pixel_stride); + + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); + + for (i = 0; i < nbox; i++) { + unsigned int h = pbox[i].y2 - pbox[i].y1; + unsigned int start = pbox[i].y1 * pixel_stride; + + PRIMOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1); + PRIMOUTREG(MGAREG_AR3, start + pbox[i].x1); + PRIMOUTREG(MGAREG_FXBNDRY, + pbox[i].x1 | ((pbox[i].x2 - 1) << 16)); + PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, + (pbox[i].y1 << 16) | h); + } + + /* Force reset of DWGCTL */ + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_DMAPAD, 0); + PRIMOUTREG(MGAREG_SRCORG, 0); + PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); + + PRIMADVANCE(dev_priv); +} + +#endif + + + +#if 0 + + /* This copies a 64 byte aligned agp region to the frambuffer * with a standard blit, the ioctl needs to do checking */ @@ -491,8 +650,6 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, int length, unsigned int destOrg) { drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; int use_agp = PDEA_pagpxfer_enable | 0x00000001; u16 y2; PRIMLOCALS; @@ -507,7 +664,7 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, PRIMOUTREG(MGAREG_AR5, 64); PRIMOUTREG(MGAREG_PITCH, 64); - PRIMOUTREG(MGAREG_PLNWT, ~0); + PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); @@ -516,7 +673,7 @@ static void mga_dma_dispatch_tex_blit(drm_device_t * dev, PRIMOUTREG(MGAREG_FXBNDRY, (63 << 16)); PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, y2); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); + PRIMOUTREG(MGAREG_DMAPAD, 0); PRIMOUTREG(MGAREG_SRCORG, 0); PRIMOUTREG(MGAREG_PITCH, dev_priv->stride / dev_priv->cpp); PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); @@ -609,7 +766,7 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, SETADD_mode_vertlist)); PRIMOUTREG(MGAREG_SETUPEND, ((address + end) | use_agp)); -/* ((address + start + 12) | use_agp)); */ +/* ((address + start + 12) | use_agp)); */ PRIMADVANCE(dev_priv); } while (++i < sarea_priv->nbox); } @@ -622,302 +779,57 @@ static void mga_dma_dispatch_indices(drm_device_t * dev, } -static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, - unsigned int clear_color, - unsigned int clear_zval, - unsigned int clear_colormask, - unsigned int clear_depthmask) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - unsigned int cmd; - int i; - PRIMLOCALS; - - if (dev_priv->sgram) - cmd = MGA_CLEAR_CMD | DC_atype_blk; - else - cmd = MGA_CLEAR_CMD | DC_atype_rstr; - - PRIM_OVERFLOW(dev, dev_priv, 35 * MGA_NR_SAREA_CLIPRECTS); - - for (i = 0; i < nbox; i++) { - unsigned int height = pbox[i].y2 - pbox[i].y1; - - if (flags & MGA_FRONT) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_colormask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_color); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } - - if (flags & MGA_BACK) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_colormask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_color); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->backOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } - - if (flags & MGA_DEPTH) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_depthmask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_zval); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->depthOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } - } - - /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMADVANCE(dev_priv); -} - -static void mga_dma_dispatch_swap(drm_device_t * dev) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - int i; - int pixel_stride = dev_priv->stride / dev_priv->cpp; - - PRIMLOCALS; - - PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - - PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); - PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); - PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset); - PRIMOUTREG(MGAREG_AR5, pixel_stride); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, ~0); - PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); - - for (i = 0; i < nbox; i++) { - unsigned int h = pbox[i].y2 - pbox[i].y1; - unsigned int start = pbox[i].y1 * pixel_stride; - - PRIMOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1); - PRIMOUTREG(MGAREG_AR3, start + pbox[i].x1); - PRIMOUTREG(MGAREG_FXBNDRY, - pbox[i].x1 | ((pbox[i].x2 - 1) << 16)); - PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, - (pbox[i].y1 << 16) | h); - } - - /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_SRCORG, 0); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - - PRIMADVANCE(dev_priv); -} - -/* #define BLIT_LEFT 1 */ -/* #define BLIT_UP 4 */ - -static void mga_dma_dispatch_blit(drm_device_t * dev, - unsigned int planemask, - unsigned int source, - unsigned int dest, - int delta_sx, int delta_sy, - int delta_dx, int delta_dy, - int source_pitch, - int dest_pitch, - int height, - int ydir) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - int pixel_stride = dev_priv->stride / dev_priv->cpp; - u32 scandir = 0, i; - - PRIMLOCALS; - - PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - - PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); - PRIMOUTREG(MGAREG_PLNWT, planemask); - PRIMOUTREG(MGAREG_SRCORG, source); - PRIMOUTREG(MGAREG_DSTORG, dest); - - PRIMOUTREG(MGAREG_SGN, scandir); - PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); - PRIMOUTREG(MGAREG_AR5, ydir * source_pitch); - PRIMOUTREG(MGAREG_PITCH, dest_pitch); - - for (i = 0; i < nbox; i++) { - int srcx = pbox[i].x1 + delta_sx; - int srcy = pbox[i].y1 + delta_sy; - int dstx = pbox[i].x1 + delta_dx; - int dsty = pbox[i].y1 + delta_dy; - int h = pbox[i].y2 - pbox[i].y1; - int w = pbox[i].x2 - pbox[i].x1 - 1; - int start; - - if (ydir == -1) { - srcy = height - srcy - 1; - } - start = srcy * source_pitch + srcx; +#endif - PRIMOUTREG(MGAREG_AR0, start + w); - PRIMOUTREG(MGAREG_AR3, start); - PRIMOUTREG(MGAREG_FXBNDRY, ((dstx+w) << 16) | (dstx & 0xffff)); - PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, (dsty << 16) | h); - } - /* Do something to flush AGP? - */ - /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_PITCH, pixel_stride); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - - PRIMADVANCE(dev_priv); -} +/* ================================================================ + * + */ -int mga_blit(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_clear( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_blit_t blit; - - if (copy_from_user(&blit, (drm_mga_blit_t *) arg, sizeof(blit))) - return -EFAULT; - - DRM_DEBUG("%s\n", __FUNCTION__); + drm_mga_clear_t clear; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_blit_bufs called without lock held\n"); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); return -EINVAL; } - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + if ( copy_from_user( &clear, (drm_mga_clear_t *) arg, sizeof(clear) ) ) + return -EFAULT; + + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + mga_dma_dispatch_clear( dev, &clear ); + /* Make sure we restore the 3D state next time. */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; - - if ((blit.source & 0x3) != (SO_srcmap_sys|SO_srcacc_pci) && - (blit.dest & 0x3) != (SO_srcmap_sys|SO_srcacc_pci)) - { - mga_dma_dispatch_blit(dev, - blit.planemask, - blit.source, - blit.dest, - blit.delta_sx, blit.delta_sy, - blit.delta_dx, blit.delta_dy, - blit.source_pitch, - blit.dest_pitch, - blit.height, - blit.ydir); - } + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - - PRIMUPDATE(dev_priv); - -#ifdef __i386__ - mga_flush_write_combine(); -#endif - mga_dma_schedule(dev, 1); return 0; } -int mga_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_clear_t clear; - - if (copy_from_user(&clear, (drm_mga_clear_t *) arg, sizeof(clear))) - return -EFAULT; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_clear_bufs called without lock held\n"); - return -EINVAL; - } - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; - mga_dma_dispatch_clear(dev, clear.flags, - clear.clear_color, - clear.clear_depth, - clear.clear_color_mask, - clear.clear_depth_mask); - PRIMUPDATE(dev_priv); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); - return 0; -} -int mga_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_swap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { +#if 0 drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { @@ -937,9 +849,15 @@ int mga_swap_bufs(struct inode *inode, struct file *filp, &dev_priv->current_prim->buffer_status); mga_flush_write_combine(); mga_dma_schedule(dev, 1); +#endif return 0; } + + +#if 0 + + int mga_iload(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { @@ -1074,70 +992,4 @@ int mga_indices(struct inode *inode, struct file *filp, } - -static int mga_dma_get_buffers(drm_device_t * dev, drm_dma_t * d) -{ - int i; - drm_buf_t *buf; - - for (i = d->granted_count; i < d->request_count; i++) { - buf = mga_freelist_get(dev); - if (!buf) - break; - buf->pid = current->pid; - if (copy_to_user(&d->request_indices[i], - &buf->idx, sizeof(buf->idx))) - return -EFAULT; - if (copy_to_user(&d->request_sizes[i], - &buf->total, sizeof(buf->total))) - return -EFAULT; - ++d->granted_count; - } - return 0; -} - -int mga_dma(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - drm_dma_t d; - - if (copy_from_user(&d, (drm_dma_t *) arg, sizeof(d))) - return -EFAULT; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_dma called without lock held\n"); - return -EINVAL; - } - - /* Please don't send us buffers. - */ - if (d.send_count != 0) { - DRM_ERROR - ("Process %d trying to send %d buffers via drmDMA\n", - current->pid, d.send_count); - return -EINVAL; - } - - /* We'll send you buffers. - */ - if (d.request_count < 0 || d.request_count > dma->buf_count) { - DRM_ERROR - ("Process %d trying to get %d buffers (of %d max)\n", - current->pid, d.request_count, dma->buf_count); - return -EINVAL; - } - - d.granted_count = 0; - - if (d.request_count) { - retcode = mga_dma_get_buffers(dev, &d); - } - - if (copy_to_user((drm_dma_t *) arg, &d, sizeof(d))) - return -EFAULT; - return retcode; -} +#endif diff --git a/linux/mga_ucode.h b/linux/mga_ucode.h new file mode 100644 index 00000000..537be2f4 --- /dev/null +++ b/linux/mga_ucode.h @@ -0,0 +1,11645 @@ +/* mga_ucode.h -- Matrox G200/G400 WARP engine microcode -*- linux-c -*- + * Created: Thu Jan 11 21:20:43 2001 by gareth@valinux.com + * + * Copyright 1999 Matrox Graphics Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * MATROX GRAPHICS INC., OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Kernel-based WARP engine management: + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * WARP pipes are named according to the functions they perform, where: + * + * - T stands for computation of texture stage 0 + * - T2 stands for computation of both texture stage 0 and texture stage 1 + * - G stands for computation of triangle intensity (Gouraud interpolation) + * - Z stands for computation of Z buffer interpolation + * - S stands for computation of specular highlight + * - A stands for computation of the alpha channel + * - F stands for computation of vertex fog interpolation + */ + +static unsigned char warp_g200_tgz[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 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0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x72, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzs[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + 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+0x00, 0x80, 0x00, 0xE8, + +0x67, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x65, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x62, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g400_t2gz[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 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0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xB5, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x74, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, 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+ +0x0B, 0x46, 0xA0, 0xE8, +0x1B, 0x56, 0xA0, 0xE8, + +0x2B, 0x66, 0xA0, 0xE8, +0x0C, 0x47, 0xA0, 0xE8, + +0x1C, 0x57, 0xA0, 0xE8, +0x2C, 0x67, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x57, 0x80, 0x57, 0xCF, + +0x66, 0x33, 0x66, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xBB, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x78, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzs[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x85, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x0E, 0x61, 0x60, 0xEA, + +0x32, 0x40, 0x50, 0xBD, +0x22, 0x40, 0x60, 0xBD, + +0x12, 0x41, 0x51, 0xBD, +0x3A, 0x41, 0x61, 0xBD, + 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0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x57, 0x80, 0x57, 0xCF, + +0x66, 0x33, 0x66, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xB2, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x70, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzsa[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 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unsigned char warp_g400_t2gzsf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x8A, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 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0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgz[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x58, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, 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0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD6, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x9D, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgza[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, 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+ +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x26, 0x77, + +0x24, 0x49, 0x20, 0xE9, +0xAB, 0xFF, 0x20, 0xEA, + +0x16, 0x26, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x1C, 0x46, 0xA0, 0xE8, +0x23, 0x4E, 0xA0, 0xE8, + +0x2B, 0x56, 0xA0, 0xE8, +0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD3, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x99, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzaf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x61, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + 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+0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x5D, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, 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0x4F, 0xE9, + +0x2A, 0x43, 0x4B, 0xBF, +0x1A, 0x43, 0x53, 0xBF, + +0x30, 0x50, 0x2E, 0x9F, +0x35, 0x31, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x39, 0x39, 0x4F, 0xE9, + +0x31, 0x53, 0x2F, 0x9F, +0x80, 0x31, 0x57, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x81, 0x39, 0x57, 0xE9, + +0x37, 0x48, 0x50, 0xBD, +0x8A, 0x36, 0x20, 0xE9, + +0x86, 0x76, 0x57, 0xE9, +0x8B, 0x3E, 0x20, 0xE9, + +0x82, 0x30, 0x57, 0xE9, +0x87, 0x77, 0x57, 0xE9, + +0x83, 0x38, 0x57, 0xE9, +0x35, 0x49, 0x51, 0xBD, + +0x84, 0x31, 0x5E, 0xE9, +0x30, 0x1F, 0x5F, 0xE9, + +0x85, 0x39, 0x5E, 0xE9, +0x57, 0x25, 0x20, 0xE9, + +0x2B, 0x48, 0x20, 0xE9, +0x1D, 0x37, 0xE1, 0xEA, + +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x26, 0x77, + +0x24, 0x49, 0x20, 0xE9, +0xAA, 0xFF, 0x20, 0xEA, + +0x16, 0x26, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x1C, 0x46, 0xA0, 0xE8, +0x23, 0x4E, 0xA0, 0xE8, + +0x2B, 0x56, 0xA0, 0xE8, +0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD3, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x98, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzs[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x65, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, + +0x1A, 0x42, 0x52, 0xBF, +0x1E, 0x49, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x26, 0x51, 0x60, 0xEA, + +0x32, 0x40, 0x48, 0xBD, +0x22, 0x40, 0x50, 0xBD, + +0x12, 0x41, 0x49, 0xBD, +0x3A, 0x41, 0x51, 0xBD, + +0xBF, 0x2F, 0x26, 0xBD, +0x00, 0xE0, +0x7B, 0x72, + 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+0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xCA, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x90, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsa[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x6A, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, + +0x1A, 0x42, 0x52, 0xBF, +0x1E, 0x49, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x26, 0x51, 0x60, 0xEA, + +0x32, 0x40, 0x48, 0xBD, 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+0x84, 0x31, 0x5E, 0xE9, +0x30, 0x1F, 0x5F, 0xE9, + +0x85, 0x39, 0x5E, 0xE9, +0x57, 0x25, 0x20, 0xE9, + +0x2B, 0x48, 0x20, 0xE9, +0x1D, 0x37, 0xE1, 0xEA, + +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x26, 0x77, + +0x24, 0x49, 0x20, 0xE9, +0x9D, 0xFF, 0x20, 0xEA, + +0x16, 0x26, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x1C, 0x46, 0xA0, 0xE8, +0x23, 0x4E, 0xA0, 0xE8, + +0x2B, 0x56, 0xA0, 0xE8, +0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xC5, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x8B, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; diff --git a/linux/mga_warp.c b/linux/mga_warp.c new file mode 100644 index 00000000..8dcdb1b9 --- /dev/null +++ b/linux/mga_warp.c @@ -0,0 +1,215 @@ +/* mga_warp.c -- Matrox G200/G400 WARP engine management -*- linux-c -*- + * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "mga.h" +#include "drmP.h" +#include "mga_drv.h" +#include "mga_ucode.h" + + +#define MGA_WARP_CODE_ALIGN 256 /* in bytes */ + +#define WARP_UCODE_SIZE( which ) \ + ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN) + +#define WARP_UCODE_INSTALL( which, where ) \ +do { \ + DRM_INFO( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase ); \ + dev_priv->warp_pipe_phys[where] = pcbase; \ + memcpy( vcbase, which, sizeof(which) ); \ + pcbase += WARP_UCODE_SIZE( which ); \ + vcbase += WARP_UCODE_SIZE( which ); \ +} while (0) + + +static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g400_tgz ) + + WARP_UCODE_SIZE( warp_g400_tgza ) + + WARP_UCODE_SIZE( warp_g400_tgzaf ) + + WARP_UCODE_SIZE( warp_g400_tgzf ) + + WARP_UCODE_SIZE( warp_g400_tgzs ) + + WARP_UCODE_SIZE( warp_g400_tgzsa ) + + WARP_UCODE_SIZE( warp_g400_tgzsaf ) + + WARP_UCODE_SIZE( warp_g400_tgzsf ) + + WARP_UCODE_SIZE( warp_g400_t2gz ) + + WARP_UCODE_SIZE( warp_g400_t2gza ) + + WARP_UCODE_SIZE( warp_g400_t2gzaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzf ) + + WARP_UCODE_SIZE( warp_g400_t2gzs ) + + WARP_UCODE_SIZE( warp_g400_t2gzsa ) + + WARP_UCODE_SIZE( warp_g400_t2gzsaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_INFO( "G400 ucode size = %d bytes\n", size ); + return size; +} + +static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g200_tgz ) + + WARP_UCODE_SIZE( warp_g200_tgza ) + + WARP_UCODE_SIZE( warp_g200_tgzaf ) + + WARP_UCODE_SIZE( warp_g200_tgzf ) + + WARP_UCODE_SIZE( warp_g200_tgzs ) + + WARP_UCODE_SIZE( warp_g200_tgzsa ) + + WARP_UCODE_SIZE( warp_g200_tgzsaf ) + + WARP_UCODE_SIZE( warp_g200_tgzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_INFO( "G200 ucode size = %d bytes\n", size ); + return size; +} + +static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g400_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return -ENOMEM; + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF ); + + WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ ); + WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF ); + WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA ); + WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF ); + WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS ); + WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF ); + WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA ); + WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF ); + + return 0; +} + +static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g200_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return -ENOMEM; + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF ); + + return 0; +} + +int mga_warp_install_microcode( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + DRM_INFO( "%s\n", __FUNCTION__ ); + + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + return mga_warp_install_g400_microcode( dev_priv ); + case MGA_CARD_TYPE_G200: + return mga_warp_install_g200_microcode( dev_priv ); + default: + return -EINVAL; + } +} + +#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE) + +int mga_warp_init( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + u32 wmisc; + DRM_INFO( "%s\n", __FUNCTION__ ); + + /* FIXME: Get rid of these damned magic numbers... + */ + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x00000E00 ); + MGA_WRITE( MGA_WVRTXSZ, 0x00001807 ); + MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 ); + break; + case MGA_CARD_TYPE_G200: + MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x1606 ); + MGA_WRITE( MGA_WVRTXSZ, 7 ); + break; + default: + return -EINVAL; + } + + MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE | + MGA_WMASTER_ENABLE | + MGA_WCACHEFLUSH_ENABLE) ); + wmisc = MGA_READ( MGA_WMISC ); + if ( wmisc != WMISC_EXPECTED ) { + DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n", + wmisc, WMISC_EXPECTED ); + return -EINVAL; + } + + return 0; +} diff --git a/linux/r128_cce.c b/linux/r128_cce.c index 279d6404..6df2b45a 100644 --- a/linux/r128_cce.c +++ b/linux/r128_cce.c @@ -85,6 +85,26 @@ static u32 r128_cce_microcode[] = { }; +#define DO_IOREMAP(_m) (_m)->handle = drm_ioremap((_m)->offset, (_m)->size) + +#define DO_IOREMAPFREE(_m) \ + do { \ + if ((_m)->handle && (_m)->size) \ + drm_ioremapfree((_m)->handle, (_m)->size); \ + } while (0) + +#define DO_FIND_MAP(_m, _o) \ + do { \ + int _i; \ + for (_i = 0; _i < dev->map_count; _i++) { \ + if (dev->maplist[_i]->offset == _o) { \ + _m = dev->maplist[_i]; \ + break; \ + } \ + } \ + } while (0) + + int R128_READ_PLL(drm_device_t *dev, int addr) { drm_r128_private_t *dev_priv = dev->dev_private; @@ -203,7 +223,7 @@ static void r128_do_cce_flush( drm_r128_private_t *dev_priv ) /* Wait for the CCE to go idle. */ -int r128_do_cce_idle( drm_r128_private_t *dev_priv ) +static int r128_do_cce_idle( drm_r128_private_t *dev_priv ) { int i; @@ -413,30 +433,13 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) break; } - switch ( init->fb_bpp ) { - case 16: - dev_priv->color_fmt = R128_DATATYPE_RGB565; - break; - case 32: - default: - dev_priv->color_fmt = R128_DATATYPE_ARGB8888; - break; - } + dev_priv->fb_bpp = init->fb_bpp; dev_priv->front_offset = init->front_offset; dev_priv->front_pitch = init->front_pitch; dev_priv->back_offset = init->back_offset; dev_priv->back_pitch = init->back_pitch; - switch ( init->depth_bpp ) { - case 16: - dev_priv->depth_fmt = R128_DATATYPE_RGB565; - break; - case 24: - case 32: - default: - dev_priv->depth_fmt = R128_DATATYPE_ARGB8888; - break; - } + dev_priv->depth_bpp = init->depth_bpp; dev_priv->depth_offset = init->depth_offset; dev_priv->depth_pitch = init->depth_pitch; dev_priv->span_offset = init->span_offset; @@ -461,24 +464,29 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) } } - DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); - DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); - DRM_FIND_MAP( dev_priv->cce_ring, init->ring_offset ); - DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); - DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); + DO_FIND_MAP( dev_priv->fb, init->fb_offset ); + DO_FIND_MAP( dev_priv->mmio, init->mmio_offset ); + DO_FIND_MAP( dev_priv->cce_ring, init->ring_offset ); + DO_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); + DO_FIND_MAP( dev_priv->buffers, init->buffers_offset ); if ( !dev_priv->is_pci ) { - DRM_FIND_MAP( dev_priv->agp_textures, - init->agp_textures_offset ); + DO_FIND_MAP( dev_priv->agp_textures, + init->agp_textures_offset ); } dev_priv->sarea_priv = (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle + init->sarea_priv_offset); - DRM_IOREMAP( dev_priv->cce_ring ); - DRM_IOREMAP( dev_priv->ring_rptr ); - DRM_IOREMAP( dev_priv->buffers ); + DO_IOREMAP( dev_priv->cce_ring ); + DO_IOREMAP( dev_priv->ring_rptr ); + DO_IOREMAP( dev_priv->buffers ); +#if 0 + if ( !dev_priv->is_pci ) { + DO_IOREMAP( dev_priv->agp_textures ); + } +#endif dev_priv->ring.head = ((__volatile__ u32 *) dev_priv->ring_rptr->handle); @@ -492,8 +500,6 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; - dev_priv->ring.high_mark = 128; - dev_priv->sarea_priv->last_frame = 0; R128_WRITE( R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame ); @@ -513,9 +519,14 @@ static int r128_do_cleanup_cce( drm_device_t *dev ) if ( dev->dev_private ) { drm_r128_private_t *dev_priv = dev->dev_private; - DRM_IOREMAPFREE( dev_priv->cce_ring ); - DRM_IOREMAPFREE( dev_priv->ring_rptr ); - DRM_IOREMAPFREE( dev_priv->buffers ); + DO_IOREMAPFREE( dev_priv->cce_ring ); + DO_IOREMAPFREE( dev_priv->ring_rptr ); + DO_IOREMAPFREE( dev_priv->buffers ); +#if 0 + if ( !dev_priv->is_pci ) { + DO_IOREMAPFREE( dev_priv->agp_textures ); + } +#endif drm_free( dev->dev_private, sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); @@ -553,8 +564,11 @@ int r128_cce_start( struct inode *inode, struct file *filp, drm_r128_private_t *dev_priv = dev->dev_private; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); - + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4 ) { DRM_DEBUG( "%s while CCE running\n", __FUNCTION__ ); return 0; @@ -578,7 +592,11 @@ int r128_cce_stop( struct inode *inode, struct file *filp, int ret; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( copy_from_user( &stop, (drm_r128_init_t *)arg, sizeof(stop) ) ) return -EFAULT; @@ -620,8 +638,11 @@ int r128_cce_reset( struct inode *inode, struct file *filp, drm_r128_private_t *dev_priv = dev->dev_private; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); - + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( !dev_priv ) { DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); return -EINVAL; @@ -643,7 +664,11 @@ int r128_cce_idle( struct inode *inode, struct file *filp, drm_r128_private_t *dev_priv = dev->dev_private; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( dev_priv->cce_running ) { r128_do_cce_flush( dev_priv ); @@ -659,7 +684,11 @@ int r128_engine_reset( struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } return r128_do_engine_reset( dev ); } @@ -708,7 +737,11 @@ int r128_fullscreen( struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; drm_r128_fullscreen_t fs; - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( copy_from_user( &fs, (drm_r128_fullscreen_t *)arg, sizeof(fs) ) ) return -EFAULT; @@ -899,11 +932,15 @@ int r128_cce_buffers( struct inode *inode, struct file *filp, int ret = 0; drm_dma_t d; - LOCK_TEST_WITH_RETURN( dev ); - if ( copy_from_user( &d, (drm_dma_t *) arg, sizeof(d) ) ) return -EFAULT; + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } + /* Please don't send us buffers. */ if ( d.send_count != 0 ) { diff --git a/linux/r128_drm.h b/linux/r128_drm.h index 3454de7b..ed1b2640 100644 --- a/linux/r128_drm.h +++ b/linux/r128_drm.h @@ -142,12 +142,6 @@ typedef struct { } drm_r128_texture_regs_t; -typedef struct drm_tex_region { - unsigned char next, prev; - unsigned char in_use; - int age; -} drm_tex_region_t; - typedef struct drm_r128_sarea { /* The channel for communication of state information to the kernel * on firing a vertex buffer. @@ -218,10 +212,9 @@ typedef struct drm_r128_fullscreen { typedef struct drm_r128_clear { unsigned int flags; + int x, y, w, h; unsigned int clear_color; unsigned int clear_depth; - unsigned int color_mask; - unsigned int depth_mask; } drm_r128_clear_t; typedef struct drm_r128_vertex { diff --git a/linux/r128_drv.c b/linux/r128_drv.c index 62185b58..cf258925 100644 --- a/linux/r128_drv.c +++ b/linux/r128_drv.c @@ -37,7 +37,7 @@ #define R128_NAME "r128" #define R128_DESC "ATI Rage 128" -#define R128_DATE "20010125" +#define R128_DATE "20010101" #define R128_MAJOR 2 #define R128_MINOR 1 #define R128_PATCHLEVEL 4 diff --git a/linux/r128_drv.h b/linux/r128_drv.h index c5cd2181..08ef5dc9 100644 --- a/linux/r128_drv.h +++ b/linux/r128_drv.h @@ -51,8 +51,6 @@ typedef struct drm_r128_ring_buffer { u32 tail; u32 tail_mask; int space; - - int high_mark; } drm_r128_ring_buffer_t; typedef struct drm_r128_private { @@ -76,13 +74,13 @@ typedef struct drm_r128_private { u32 crtc_offset; u32 crtc_offset_cntl; - u32 color_fmt; + unsigned int fb_bpp; unsigned int front_offset; unsigned int front_pitch; unsigned int back_offset; unsigned int back_pitch; - u32 depth_fmt; + unsigned int depth_bpp; unsigned int depth_offset; unsigned int depth_pitch; unsigned int span_offset; @@ -145,7 +143,6 @@ extern drm_buf_t *r128_freelist_get( drm_device_t *dev ); extern int r128_wait_ring( drm_r128_private_t *dev_priv, int n ); extern void r128_update_ring_snapshot( drm_r128_private_t *dev_priv ); -extern int r128_do_cce_idle( drm_r128_private_t *dev_priv ); extern int r128_do_cleanup_pageflip( drm_device_t *dev ); /* r128_state.c */ @@ -389,24 +386,23 @@ extern int r128_context_switch_complete(drm_device_t *dev, int new); #define R128_WATERMARK_N 8 #define R128_WATERMARK_K 128 -#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ +#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ #define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 #define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 #define R128_MAX_VB_AGE 0xffffffff -#define R128_MAX_VB_VERTS (0xffff) -#define R128_RING_HIGH_MARK 128 +#define R128_MAX_VB_VERTS (0xffff) #define R128_BASE(reg) ((u32)(dev_priv->mmio->handle)) #define R128_ADDR(reg) (R128_BASE(reg) + reg) -#define R128_DEREF(reg) *(volatile u32 *)R128_ADDR(reg) +#define R128_DEREF(reg) *(__volatile__ int *)R128_ADDR(reg) #define R128_READ(reg) R128_DEREF(reg) #define R128_WRITE(reg,val) do { R128_DEREF(reg) = val; } while (0) -#define R128_DEREF8(reg) *(volatile u8 *)R128_ADDR(reg) +#define R128_DEREF8(reg) *(__volatile__ char *)R128_ADDR(reg) #define R128_READ8(reg) R128_DEREF8(reg) #define R128_WRITE8(reg,val) do { R128_DEREF8(reg) = val; } while (0) @@ -418,6 +414,13 @@ do { \ extern int R128_READ_PLL(drm_device_t *dev, int addr); +#define R128CCE0(p,r,n) ((p) | ((n) << 16) | ((r) >> 2)) +#define R128CCE1(p,r1,r2) ((p) | (((r2) >> 2) << 11) | ((r1) >> 2)) +#define R128CCE2(p) ((p)) +#define R128CCE3(p,n) ((p) | ((n) << 16)) + + + #define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \ ((n) << 16) | ((reg) >> 2)) @@ -428,57 +431,7 @@ extern int R128_READ_PLL(drm_device_t *dev, int addr); (pkt) | ((n) << 16)) - - -/* ================================================================ - * Misc helper macros - */ - -#define LOCK_TEST_WITH_RETURN( dev ) \ -do { \ - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ - dev->lock.pid != current->pid ) { \ - DRM_ERROR( "%s called without lock held\n", \ - __FUNCTION__ ); \ - return -EINVAL; \ - } \ -} while (0) - -#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ -do { \ - drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ - if ( ring->space < ring->high_mark ) { \ - for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ - ring->space = *ring->head - ring->tail; \ - if ( ring->space <= 0 ) \ - ring->space += ring->size; \ - if ( ring->space >= ring->high_mark ) \ - goto __ring_space_done; \ - udelay( 1 ); \ - } \ - DRM_ERROR( "ring space check failed!\n" ); \ - return -EBUSY; \ - } \ - __ring_space_done: \ -} while (0) - -#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ -do { \ - drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ - if ( sarea_priv->last_dispatch >= R128_MAX_VB_AGE ) { \ - int __ret = r128_do_cce_idle( dev_priv ); \ - if ( __ret < 0 ) return __ret; \ - sarea_priv->last_dispatch = 0; \ - r128_freelist_reset( dev ); \ - } \ -} while (0) - - -/* ================================================================ - * Ring control - */ - -#define r128_flush_write_combine() mb() +#define r128_flush_write_combine() mb() #define R128_VERBOSE 0 diff --git a/linux/r128_state.c b/linux/r128_state.c index 60bddd8a..ba003929 100644 --- a/linux/r128_state.c +++ b/linux/r128_state.c @@ -32,7 +32,6 @@ #include "drmP.h" #include "r128_drv.h" #include "drm.h" -#include <linux/delay.h> /* ================================================================ @@ -361,20 +360,45 @@ static void r128_print_dirty( const char *msg, unsigned int flags ) } static void r128_cce_dispatch_clear( drm_device_t *dev, - drm_r128_clear_t *clear ) + unsigned int flags, + int cx, int cy, int cw, int ch, + unsigned int clear_color, + unsigned int clear_depth ) { drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; - unsigned int flags = clear->flags; + u32 fb_bpp, depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { + switch ( dev_priv->fb_bpp ) { + case 16: + fb_bpp = R128_GMC_DST_16BPP; + break; + case 32: + fb_bpp = R128_GMC_DST_32BPP; + break; + default: + return; + } + switch ( dev_priv->depth_bpp ) { + case 16: + depth_bpp = R128_GMC_DST_16BPP; + break; + case 24: + case 32: + depth_bpp = R128_GMC_DST_32BPP; + break; + default: + return; + } + + if ( dev_priv->page_flipping && dev_priv->current_page == 1) { unsigned int tmp = flags; flags &= ~(R128_FRONT | R128_BACK); @@ -396,7 +420,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, BEGIN_RING( 2 ); OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); - OUT_RING( clear->color_mask ); + OUT_RING( sarea_priv->context_state.plane_3d_mask_c ); ADVANCE_RING(); } @@ -407,14 +431,14 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | + fb_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS ); OUT_RING( dev_priv->front_pitch_offset_c ); - OUT_RING( clear->clear_color ); + OUT_RING( clear_color ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -428,14 +452,14 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | + fb_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS ); OUT_RING( dev_priv->back_pitch_offset_c ); - OUT_RING( clear->clear_color ); + OUT_RING( clear_color ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -449,7 +473,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -457,7 +481,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, R128_GMC_WR_MSK_DIS ); OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( clear->clear_depth ); + OUT_RING( clear_depth ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -473,6 +497,7 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; + u32 fb_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); @@ -485,6 +510,16 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) r128_cce_performance_boxes( dev_priv ); #endif + switch ( dev_priv->fb_bpp ) { + case 16: + fb_bpp = R128_GMC_DST_16BPP; + break; + case 32: + default: + fb_bpp = R128_GMC_DST_32BPP; + break; + } + for ( i = 0 ; i < nbox ; i++ ) { int x = pbox[i].x1; int y = pbox[i].y1; @@ -497,7 +532,7 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - (dev_priv->color_fmt << 8) | + fb_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -641,6 +676,15 @@ static void r128_cce_dispatch_vertex( drm_device_t *dev, dev_priv->sarea_priv->last_dispatch++; +#if 0 + if ( dev_priv->submit_age == R128_MAX_VB_AGE ) { + ret = r128_do_cce_idle( dev_priv ); + if ( ret < 0 ) return ret; + dev_priv->submit_age = 0; + r128_freelist_reset( dev ); + } +#endif + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; sarea_priv->nbox = 0; } @@ -706,6 +750,15 @@ static void r128_cce_dispatch_indirect( drm_device_t *dev, } dev_priv->sarea_priv->last_dispatch++; + +#if 0 + if ( dev_priv->submit_age == R128_MAX_VB_AGE ) { + ret = r128_do_cce_idle( dev_priv ); + if ( ret < 0 ) return ret; + dev_priv->submit_age = 0; + r128_freelist_reset( dev ); + } +#endif } static void r128_cce_dispatch_indices( drm_device_t *dev, @@ -786,6 +839,15 @@ static void r128_cce_dispatch_indices( drm_device_t *dev, dev_priv->sarea_priv->last_dispatch++; +#if 0 + if ( dev_priv->submit_age == R128_MAX_VB_AGE ) { + ret = r128_do_cce_idle( dev_priv ); + if ( ret < 0 ) return ret; + dev_priv->submit_age = 0; + r128_freelist_reset( dev ); + } +#endif + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; sarea_priv->nbox = 0; } @@ -910,12 +972,25 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, int count, x, y; u32 *buffer; u8 *mask; + u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); + switch ( dev_priv->depth_bpp ) { + case 16: + depth_bpp = R128_GMC_DST_16BPP; + break; + case 24: + case 32: + depth_bpp = R128_GMC_DST_32BPP; + break; + default: + return -EINVAL; + } + count = depth->n; if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { return -EFAULT; @@ -953,7 +1028,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -977,7 +1052,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1005,12 +1080,25 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, int count, *x, *y; u32 *buffer; u8 *mask; + u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); + switch ( dev_priv->depth_bpp ) { + case 16: + depth_bpp = R128_GMC_DST_16BPP; + break; + case 24: + case 32: + depth_bpp = R128_GMC_DST_32BPP; + break; + default: + return -EINVAL; + } + count = depth->n; x = kmalloc( count * sizeof(*x), 0 ); @@ -1071,7 +1159,7 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1095,7 +1183,7 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1123,11 +1211,24 @@ static int r128_cce_dispatch_read_span( drm_device_t *dev, { drm_r128_private_t *dev_priv = dev->dev_private; int count, x, y; + u32 depth_bpp; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); + switch ( dev_priv->depth_bpp ) { + case 16: + depth_bpp = R128_GMC_DST_16BPP; + break; + case 24: + case 32: + depth_bpp = R128_GMC_DST_32BPP; + break; + default: + return -EINVAL; + } + count = depth->n; if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { return -EFAULT; @@ -1142,7 +1243,7 @@ static int r128_cce_dispatch_read_span( drm_device_t *dev, OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -1166,12 +1267,25 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev, { drm_r128_private_t *dev_priv = dev->dev_private; int count, *x, *y; + u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); + switch ( dev_priv->depth_bpp ) { + case 16: + depth_bpp = R128_GMC_DST_16BPP; + break; + case 24: + case 32: + depth_bpp = R128_GMC_DST_32BPP; + break; + default: + return -EINVAL; + } + count = depth->n; if ( count > dev_priv->depth_pitch ) { count = dev_priv->depth_pitch; @@ -1204,7 +1318,7 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev, OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - (dev_priv->depth_fmt << 8) | + depth_bpp | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -1266,18 +1380,22 @@ int r128_cce_clear( struct inode *inode, struct file *filp, drm_r128_clear_t clear; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "r128_cce_clear called without lock held\n" ); + return -EINVAL; + } if ( copy_from_user( &clear, (drm_r128_clear_t *) arg, sizeof(clear) ) ) return -EFAULT; - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - r128_cce_dispatch_clear( dev, &clear ); + r128_cce_dispatch_clear( dev, clear.flags, + clear.x, clear.y, clear.w, clear.h, + clear.clear_color, clear.clear_depth ); /* Make sure we restore the 3D state next time. */ @@ -1295,9 +1413,11 @@ int r128_cce_swap( struct inode *inode, struct file *filp, drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; DRM_DEBUG( "%s\n", __FUNCTION__ ); - LOCK_TEST_WITH_RETURN( dev ); - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "r128_cce_swap called without lock held\n" ); + return -EINVAL; + } if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; @@ -1324,8 +1444,11 @@ int r128_cce_vertex( struct inode *inode, struct file *filp, drm_r128_buf_priv_t *buf_priv; drm_r128_vertex_t vertex; - LOCK_TEST_WITH_RETURN( dev ); - + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( !dev_priv || dev_priv->is_pci ) { DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); return -EINVAL; @@ -1350,9 +1473,6 @@ int r128_cce_vertex( struct inode *inode, struct file *filp, return -EINVAL; } - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - buf = dma->buflist[vertex.idx]; buf_priv = buf->dev_private; @@ -1387,8 +1507,11 @@ int r128_cce_indices( struct inode *inode, struct file *filp, drm_r128_indices_t elts; int count; - LOCK_TEST_WITH_RETURN( dev ); - + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( !dev_priv || dev_priv->is_pci ) { DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); return -EINVAL; @@ -1413,9 +1536,6 @@ int r128_cce_indices( struct inode *inode, struct file *filp, return -EINVAL; } - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - buf = dma->buflist[elts.idx]; buf_priv = buf->dev_private; @@ -1456,10 +1576,13 @@ int r128_cce_blit( struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_device_dma_t *dma = dev->dma; - drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_blit_t blit; - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( copy_from_user( &blit, (drm_r128_blit_t *)arg, sizeof(blit) ) ) @@ -1474,9 +1597,6 @@ int r128_cce_blit( struct inode *inode, struct file *filp, return -EINVAL; } - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - return r128_cce_dispatch_blit( dev, &blit ); } @@ -1485,17 +1605,18 @@ int r128_cce_depth( struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_depth_t depth; - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( copy_from_user( &depth, (drm_r128_depth_t *)arg, sizeof(depth) ) ) return -EFAULT; - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - switch ( depth.func ) { case R128_WRITE_SPAN: return r128_cce_dispatch_write_span( dev, &depth ); @@ -1515,11 +1636,14 @@ int r128_cce_stipple( struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_stipple_t stipple; u32 mask[32]; - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } if ( copy_from_user( &stipple, (drm_r128_stipple_t *)arg, sizeof(stipple) ) ) @@ -1529,8 +1653,6 @@ int r128_cce_stipple( struct inode *inode, struct file *filp, 32 * sizeof(u32) ) ) return -EFAULT; - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - r128_cce_dispatch_stipple( dev, mask ); return 0; @@ -1542,7 +1664,11 @@ int r128_cce_indirect( struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - LOCK_TEST_WITH_RETURN( dev ); + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || + dev->lock.pid != current->pid ) { + DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); + return -EINVAL; + } /* Indirect buffer firing is not supported at this time. */ diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c deleted file mode 100644 index d0fb7a0b..00000000 --- a/linux/radeon_cp.c +++ /dev/null @@ -1,1294 +0,0 @@ -/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- - * - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Kevin E. Martin <martin@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "radeon_drv.h" - -#include <linux/interrupt.h> /* For task queue support */ -#include <linux/delay.h> - -#define RADEON_FIFO_DEBUG 0 - - -/* CP microcode (from ATI) */ -static u32 radeon_cp_microcode[][2] = { - { 0x21007000, 0000000000 }, - { 0x20007000, 0000000000 }, - { 0x000000b4, 0x00000004 }, - { 0x000000b8, 0x00000004 }, - { 0x6f5b4d4c, 0000000000 }, - { 0x4c4c427f, 0000000000 }, - { 0x5b568a92, 0000000000 }, - { 0x4ca09c6d, 0000000000 }, - { 0xad4c4c4c, 0000000000 }, - { 0x4ce1af3d, 0000000000 }, - { 0xd8afafaf, 0000000000 }, - { 0xd64c4cdc, 0000000000 }, - { 0x4cd10d10, 0000000000 }, - { 0x000f0000, 0x00000016 }, - { 0x362f242d, 0000000000 }, - { 0x00000012, 0x00000004 }, - { 0x000f0000, 0x00000016 }, - { 0x362f282d, 0000000000 }, - { 0x000380e7, 0x00000002 }, - { 0x04002c97, 0x00000002 }, - { 0x000f0001, 0x00000016 }, - { 0x333a3730, 0000000000 }, - { 0x000077ef, 0x00000002 }, - { 0x00061000, 0x00000002 }, - { 0x00000021, 0x0000001a }, - { 0x00004000, 0x0000001e }, - { 0x00061000, 0x00000002 }, - { 0x00000021, 0x0000001a }, - { 0x00004000, 0x0000001e }, - { 0x00061000, 0x00000002 }, - { 0x00000021, 0x0000001a }, - { 0x00004000, 0x0000001e }, - { 0x00000017, 0x00000004 }, - { 0x0003802b, 0x00000002 }, - { 0x040067e0, 0x00000002 }, - { 0x00000017, 0x00000004 }, - { 0x000077e0, 0x00000002 }, - { 0x00065000, 0x00000002 }, - { 0x000037e1, 0x00000002 }, - { 0x040067e1, 0x00000006 }, - { 0x000077e0, 0x00000002 }, - { 0x000077e1, 0x00000002 }, - { 0x000077e1, 0x00000006 }, - { 0xffffffff, 0000000000 }, - { 0x10000000, 0000000000 }, - { 0x0003802b, 0x00000002 }, - { 0x040067e0, 0x00000006 }, - { 0x00007675, 0x00000002 }, - { 0x00007676, 0x00000002 }, - { 0x00007677, 0x00000002 }, - { 0x00007678, 0x00000006 }, - { 0x0003802c, 0x00000002 }, - { 0x04002676, 0x00000002 }, - { 0x00007677, 0x00000002 }, - { 0x00007678, 0x00000006 }, - { 0x0000002f, 0x00000018 }, - { 0x0000002f, 0x00000018 }, - { 0000000000, 0x00000006 }, - { 0x00000030, 0x00000018 }, - { 0x00000030, 0x00000018 }, - { 0000000000, 0x00000006 }, - { 0x01605000, 0x00000002 }, - { 0x00065000, 0x00000002 }, - { 0x00098000, 0x00000002 }, - { 0x00061000, 0x00000002 }, - { 0x64c0603e, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00080000, 0x00000016 }, - { 0000000000, 0000000000 }, - { 0x0400251d, 0x00000002 }, - { 0x00007580, 0x00000002 }, - { 0x00067581, 0x00000002 }, - { 0x04002580, 0x00000002 }, - { 0x00067581, 0x00000002 }, - { 0x00000049, 0x00000004 }, - { 0x00005000, 0000000000 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00061000, 0x00000002 }, - { 0x0000750e, 0x00000002 }, - { 0x00019000, 0x00000002 }, - { 0x00011055, 0x00000014 }, - { 0x00000055, 0x00000012 }, - { 0x0400250f, 0x00000002 }, - { 0x0000504f, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00007565, 0x00000002 }, - { 0x00007566, 0x00000002 }, - { 0x00000058, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x01e655b4, 0x00000002 }, - { 0x4401b0e4, 0x00000002 }, - { 0x01c110e4, 0x00000002 }, - { 0x26667066, 0x00000018 }, - { 0x040c2565, 0x00000002 }, - { 0x00000066, 0x00000018 }, - { 0x04002564, 0x00000002 }, - { 0x00007566, 0x00000002 }, - { 0x0000005d, 0x00000004 }, - { 0x00401069, 0x00000008 }, - { 0x00101000, 0x00000002 }, - { 0x000d80ff, 0x00000002 }, - { 0x0080006c, 0x00000008 }, - { 0x000f9000, 0x00000002 }, - { 0x000e00ff, 0x00000002 }, - { 0000000000, 0x00000006 }, - { 0x0000008f, 0x00000018 }, - { 0x0000005b, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00007576, 0x00000002 }, - { 0x00065000, 0x00000002 }, - { 0x00009000, 0x00000002 }, - { 0x00041000, 0x00000002 }, - { 0x0c00350e, 0x00000002 }, - { 0x00049000, 0x00000002 }, - { 0x00051000, 0x00000002 }, - { 0x01e785f8, 0x00000002 }, - { 0x00200000, 0x00000002 }, - { 0x0060007e, 0x0000000c }, - { 0x00007563, 0x00000002 }, - { 0x006075f0, 0x00000021 }, - { 0x20007073, 0x00000004 }, - { 0x00005073, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00007576, 0x00000002 }, - { 0x00007577, 0x00000002 }, - { 0x0000750e, 0x00000002 }, - { 0x0000750f, 0x00000002 }, - { 0x00a05000, 0x00000002 }, - { 0x00600083, 0x0000000c }, - { 0x006075f0, 0x00000021 }, - { 0x000075f8, 0x00000002 }, - { 0x00000083, 0x00000004 }, - { 0x000a750e, 0x00000002 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x0020750f, 0x00000002 }, - { 0x00600086, 0x00000004 }, - { 0x00007570, 0x00000002 }, - { 0x00007571, 0x00000002 }, - { 0x00007572, 0x00000006 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00005000, 0x00000002 }, - { 0x00a05000, 0x00000002 }, - { 0x00007568, 0x00000002 }, - { 0x00061000, 0x00000002 }, - { 0x00000095, 0x0000000c }, - { 0x00058000, 0x00000002 }, - { 0x0c607562, 0x00000002 }, - { 0x00000097, 0x00000004 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x00600096, 0x00000004 }, - { 0x400070e5, 0000000000 }, - { 0x000380e6, 0x00000002 }, - { 0x040025c5, 0x00000002 }, - { 0x000380e5, 0x00000002 }, - { 0x000000a8, 0x0000001c }, - { 0x000650aa, 0x00000018 }, - { 0x040025bb, 0x00000002 }, - { 0x000610ab, 0x00000018 }, - { 0x040075bc, 0000000000 }, - { 0x000075bb, 0x00000002 }, - { 0x000075bc, 0000000000 }, - { 0x00090000, 0x00000006 }, - { 0x00090000, 0x00000002 }, - { 0x000d8002, 0x00000006 }, - { 0x00007832, 0x00000002 }, - { 0x00005000, 0x00000002 }, - { 0x000380e7, 0x00000002 }, - { 0x04002c97, 0x00000002 }, - { 0x00007820, 0x00000002 }, - { 0x00007821, 0x00000002 }, - { 0x00007800, 0000000000 }, - { 0x01200000, 0x00000002 }, - { 0x20077000, 0x00000002 }, - { 0x01200000, 0x00000002 }, - { 0x20007000, 0x00000002 }, - { 0x00061000, 0x00000002 }, - { 0x0120751b, 0x00000002 }, - { 0x8040750a, 0x00000002 }, - { 0x8040750b, 0x00000002 }, - { 0x00110000, 0x00000002 }, - { 0x000380e5, 0x00000002 }, - { 0x000000c6, 0x0000001c }, - { 0x000610ab, 0x00000018 }, - { 0x844075bd, 0x00000002 }, - { 0x000610aa, 0x00000018 }, - { 0x840075bb, 0x00000002 }, - { 0x000610ab, 0x00000018 }, - { 0x844075bc, 0x00000002 }, - { 0x000000c9, 0x00000004 }, - { 0x804075bd, 0x00000002 }, - { 0x800075bb, 0x00000002 }, - { 0x804075bc, 0x00000002 }, - { 0x00108000, 0x00000002 }, - { 0x01400000, 0x00000002 }, - { 0x006000cd, 0x0000000c }, - { 0x20c07000, 0x00000020 }, - { 0x000000cf, 0x00000012 }, - { 0x00800000, 0x00000006 }, - { 0x0080751d, 0x00000006 }, - { 0000000000, 0000000000 }, - { 0x0000775c, 0x00000002 }, - { 0x00a05000, 0x00000002 }, - { 0x00661000, 0x00000002 }, - { 0x0460275d, 0x00000020 }, - { 0x00004000, 0000000000 }, - { 0x01e00830, 0x00000002 }, - { 0x21007000, 0000000000 }, - { 0x6464614d, 0000000000 }, - { 0x69687420, 0000000000 }, - { 0x00000073, 0000000000 }, - { 0000000000, 0000000000 }, - { 0x00005000, 0x00000002 }, - { 0x000380d0, 0x00000002 }, - { 0x040025e0, 0x00000002 }, - { 0x000075e1, 0000000000 }, - { 0x00000001, 0000000000 }, - { 0x000380e0, 0x00000002 }, - { 0x04002394, 0x00000002 }, - { 0x00005000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0x00000008, 0000000000 }, - { 0x00000004, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, - { 0000000000, 0000000000 }, -}; - - -int RADEON_READ_PLL(drm_device_t *dev, int addr) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - - RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f); - return RADEON_READ(RADEON_CLOCK_CNTL_DATA); -} - -#if RADEON_FIFO_DEBUG -static void radeon_status( drm_radeon_private_t *dev_priv ) -{ - printk( "%s:\n", __FUNCTION__ ); - printk( "RBBM_STATUS = 0x%08x\n", - (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) ); - printk( "CP_RB_RTPR = 0x%08x\n", - (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) ); - printk( "CP_RB_WTPR = 0x%08x\n", - (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) ); -} -#endif - - -/* ================================================================ - * Engine, FIFO control - */ - -static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv ) -{ - u32 tmp; - int i; - - tmp = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ); - tmp |= RADEON_RB2D_DC_FLUSH_ALL; - RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp ); - - for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - if ( !(RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ) - & RADEON_RB2D_DC_BUSY) ) { - return 0; - } - udelay( 1 ); - } - -#if RADEON_FIFO_DEBUG - DRM_ERROR( "failed!\n" ); - radeon_status( dev_priv ); -#endif - return -EBUSY; -} - -static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv, - int entries ) -{ - int i; - - for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - int slots = ( RADEON_READ( RADEON_RBBM_STATUS ) - & RADEON_RBBM_FIFOCNT_MASK ); - if ( slots >= entries ) return 0; - udelay( 1 ); - } - -#if RADEON_FIFO_DEBUG - DRM_ERROR( "failed!\n" ); - radeon_status( dev_priv ); -#endif - return -EBUSY; -} - -static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv ) -{ - int i, ret; - - ret = radeon_do_wait_for_fifo( dev_priv, 64 ); - if ( ret < 0 ) return ret; - - for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - if ( !(RADEON_READ( RADEON_RBBM_STATUS ) - & RADEON_RBBM_ACTIVE) ) { - radeon_do_pixcache_flush( dev_priv ); - return 0; - } - udelay( 1 ); - } - -#if RADEON_FIFO_DEBUG - DRM_ERROR( "failed!\n" ); - radeon_status( dev_priv ); -#endif - return -EBUSY; -} - - -/* ================================================================ - * CP control, initialization - */ - -/* Load the microcode for the CP */ -static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv ) -{ - int i; - - radeon_do_wait_for_idle( dev_priv ); - - RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 ); - for ( i = 0 ; i < 256 ; i++ ) { - RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, - radeon_cp_microcode[i][1] ); - RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, - radeon_cp_microcode[i][0] ); - } -} - -/* Flush any pending commands to the CP. This should only be used just - * prior to a wait for idle, as it informs the engine that the command - * stream is ending. - */ -static void radeon_do_cp_flush( drm_radeon_private_t *dev_priv ) -{ -#if 0 - u32 tmp; - - tmp = RADEON_READ( RADEON_CP_RB_WPTR ) | (1 << 31); - RADEON_WRITE( RADEON_CP_RB_WPTR, tmp ); -#endif -} - -/* Wait for the CP to go idle. - */ -int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ) -{ - RING_LOCALS; - - BEGIN_RING( 6 ); - - RADEON_PURGE_CACHE(); - RADEON_PURGE_ZCACHE(); - RADEON_WAIT_UNTIL_IDLE(); - - ADVANCE_RING(); - - return radeon_do_wait_for_idle( dev_priv ); -} - -/* Start the Command Processor. - */ -static void radeon_do_cp_start( drm_radeon_private_t *dev_priv ) -{ - RING_LOCALS; - - radeon_do_wait_for_idle( dev_priv ); - - RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode ); - - dev_priv->cp_running = 1; - - BEGIN_RING( 6 ); - - RADEON_PURGE_CACHE(); - RADEON_PURGE_ZCACHE(); - RADEON_WAIT_UNTIL_IDLE(); - - ADVANCE_RING(); -} - -/* Reset the Command Processor. This will not flush any pending - * commands, so you must wait for the CP command stream to complete - * before calling this routine. - */ -static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv ) -{ - u32 cur_read_ptr; - - cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); - RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); - *dev_priv->ring.head = cur_read_ptr; - dev_priv->ring.tail = cur_read_ptr; -} - -/* Stop the Command Processor. This will not flush any pending - * commands, so you must flush the command stream and wait for the CP - * to go idle before calling this routine. - */ -static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv ) -{ - RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS ); - - dev_priv->cp_running = 0; -} - -/* Reset the engine. This will stop the CP if it is running. - */ -static int radeon_do_engine_reset( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - radeon_do_pixcache_flush( dev_priv ); - - clock_cntl_index = RADEON_READ( RADEON_CLOCK_CNTL_INDEX ); - mclk_cntl = RADEON_READ_PLL( dev, RADEON_MCLK_CNTL ); - - /* FIXME: remove magic number here and in radeon ddx driver!!! */ - RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl | 0x003f00000 ); - - rbbm_soft_reset = RADEON_READ( RADEON_RBBM_SOFT_RESET ); - - RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset | - RADEON_SOFT_RESET_CP | - RADEON_SOFT_RESET_HI | - RADEON_SOFT_RESET_SE | - RADEON_SOFT_RESET_RE | - RADEON_SOFT_RESET_PP | - RADEON_SOFT_RESET_E2 | - RADEON_SOFT_RESET_RB | - RADEON_SOFT_RESET_HDP ) ); - RADEON_READ( RADEON_RBBM_SOFT_RESET ); - RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset & - ~( RADEON_SOFT_RESET_CP | - RADEON_SOFT_RESET_HI | - RADEON_SOFT_RESET_SE | - RADEON_SOFT_RESET_RE | - RADEON_SOFT_RESET_PP | - RADEON_SOFT_RESET_E2 | - RADEON_SOFT_RESET_RB | - RADEON_SOFT_RESET_HDP ) ) ); - RADEON_READ( RADEON_RBBM_SOFT_RESET ); - - - RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl ); - RADEON_WRITE( RADEON_CLOCK_CNTL_INDEX, clock_cntl_index ); - RADEON_WRITE( RADEON_RBBM_SOFT_RESET, rbbm_soft_reset ); - - /* Reset the CP ring */ - radeon_do_cp_reset( dev_priv ); - - /* The CP is no longer running after an engine reset */ - dev_priv->cp_running = 0; - - /* Reset any pending vertex, indirect buffers */ - radeon_freelist_reset( dev ); - - return 0; -} - -static void radeon_cp_init_ring_buffer( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - u32 ring_start, cur_read_ptr; - u32 tmp; - - /* Initialize the memory controller */ - RADEON_WRITE( RADEON_MC_FB_LOCATION, - (dev_priv->agp_vm_start - 1) & 0xffff0000 ); - RADEON_WRITE( RADEON_MC_AGP_LOCATION, - (((dev_priv->agp_vm_start - 1 + - dev_priv->agp_size) & 0xffff0000) | - (dev_priv->agp_vm_start >> 16)) ); - - ring_start = (dev_priv->cp_ring->offset - - dev->agp->base - + dev_priv->agp_vm_start); - - RADEON_WRITE( RADEON_CP_RB_BASE, ring_start ); - - /* Set the write pointer delay */ - RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 ); - - /* Initialize the ring buffer's read and write pointers */ - cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); - RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); - *dev_priv->ring.head = cur_read_ptr; - dev_priv->ring.tail = cur_read_ptr; - - RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, dev_priv->ring_rptr->offset ); - - /* Set ring buffer size */ - RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw ); - - radeon_do_wait_for_idle( dev_priv ); - - /* Turn off PCI GART */ - tmp = RADEON_READ( RADEON_AIC_CNTL ) & ~RADEON_PCIGART_TRANSLATE_EN; - RADEON_WRITE( RADEON_AIC_CNTL, tmp ); - - /* Turn on bus mastering */ - tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS; - RADEON_WRITE( RADEON_BUS_CNTL, tmp ); - - /* Sync everything up */ - RADEON_WRITE( RADEON_ISYNC_CNTL, - (RADEON_ISYNC_ANY2D_IDLE3D | - RADEON_ISYNC_ANY3D_IDLE2D | - RADEON_ISYNC_WAIT_IDLEGUI | - RADEON_ISYNC_CPSCRATCH_IDLEGUI) ); -} - -static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) -{ - drm_radeon_private_t *dev_priv; - int i; - - dev_priv = drm_alloc( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); - if ( dev_priv == NULL ) - return -ENOMEM; - dev->dev_private = (void *)dev_priv; - - memset( dev_priv, 0, sizeof(drm_radeon_private_t) ); - - dev_priv->is_pci = init->is_pci; - - /* We don't support PCI cards until PCI GART is implemented. - * Fail here so we can remove all checks for PCI cards around - * the CP ring code. - */ - if ( dev_priv->is_pci ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); - dev->dev_private = NULL; - return -EINVAL; - } - - dev_priv->usec_timeout = init->usec_timeout; - if ( dev_priv->usec_timeout < 1 || - dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); - dev->dev_private = NULL; - return -EINVAL; - } - - dev_priv->cp_mode = init->cp_mode; - - /* Simple idle check. - */ - atomic_set( &dev_priv->idle_count, 0 ); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring - * read pointer. - */ - if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) && - ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); - dev->dev_private = NULL; - return -EINVAL; - } - - switch ( init->fb_bpp ) { - case 16: - dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565; - break; - case 32: - default: - dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888; - break; - } - dev_priv->front_offset = init->front_offset; - dev_priv->front_pitch = init->front_pitch; - dev_priv->back_offset = init->back_offset; - dev_priv->back_pitch = init->back_pitch; - - switch ( init->depth_bpp ) { - case 16: - dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z; - break; - case 32: - default: - dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z; - break; - } - dev_priv->depth_offset = init->depth_offset; - dev_priv->depth_pitch = init->depth_pitch; - - dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) | - (dev_priv->front_offset >> 10)); - dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) | - (dev_priv->back_offset >> 10)); - dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) | - (dev_priv->depth_offset >> 10)); - - /* Hardware state for depth clears. Remove this if/when we no - * longer clear the depth buffer with a 3D rectangle. Hard-code - * all values to prevent unwanted 3D state from slipping through - * and screwing with the clear operation. - */ - dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE | - RADEON_Z_ENABLE | - (dev_priv->color_fmt << 10) | - RADEON_ZBLOCK16); - - dev_priv->depth_clear.rb3d_zstencilcntl = (dev_priv->depth_fmt | - RADEON_Z_TEST_ALWAYS | - RADEON_STENCIL_TEST_ALWAYS | - RADEON_STENCIL_S_FAIL_KEEP | - RADEON_STENCIL_ZPASS_KEEP | - RADEON_STENCIL_ZFAIL_KEEP | - RADEON_Z_WRITE_ENABLE); - - dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW | - RADEON_BFACE_SOLID | - RADEON_FFACE_SOLID | - RADEON_FLAT_SHADE_VTX_LAST | - RADEON_DIFFUSE_SHADE_FLAT | - RADEON_ALPHA_SHADE_FLAT | - RADEON_SPECULAR_SHADE_FLAT | - RADEON_FOG_SHADE_FLAT | - RADEON_VTX_PIX_CENTER_OGL | - RADEON_ROUND_MODE_TRUNC | - RADEON_ROUND_PREC_8TH_PIX); - - /* FIXME: We want multiple shared areas, including one shared - * only by the X Server and kernel module. - */ - for ( i = 0 ; i < dev->map_count ; i++ ) { - if ( dev->maplist[i]->type == _DRM_SHM ) { - dev_priv->sarea = dev->maplist[i]; - break; - } - } - - DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); - DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); - DRM_FIND_MAP( dev_priv->cp_ring, init->ring_offset ); - DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); - DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); - - if ( !dev_priv->is_pci ) { - DRM_FIND_MAP( dev_priv->agp_textures, - init->agp_textures_offset ); - } - - dev_priv->sarea_priv = - (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle + - init->sarea_priv_offset); - - DRM_IOREMAP( dev_priv->cp_ring ); - DRM_IOREMAP( dev_priv->ring_rptr ); - DRM_IOREMAP( dev_priv->buffers ); -#if 0 - if ( !dev_priv->is_pci ) { - DRM_IOREMAP( dev_priv->agp_textures ); - } -#endif - - dev_priv->agp_size = init->agp_size; - dev_priv->agp_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE ); - dev_priv->agp_buffers_offset = (dev_priv->buffers->offset - - dev->agp->base - + dev_priv->agp_vm_start); - - dev_priv->ring.head = ((__volatile__ u32 *) - dev_priv->ring_rptr->handle); - - dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle; - dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle - + init->ring_size / sizeof(u32)); - dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); - - dev_priv->ring.tail_mask = - (dev_priv->ring.size / sizeof(u32)) - 1; - - dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; - -#if 0 - /* Initialize the scratch register pointer. This will cause - * the scratch register values to be written out to memory - * whenever they are updated. - * FIXME: This doesn't quite work yet, so we're disabling it - * for the release. - */ - RADEON_WRITE( RADEON_SCRATCH_ADDR, (dev_priv->ring_rptr->offset + - RADEON_SCRATCH_REG_OFFSET) ); - RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 ); -#endif - - dev_priv->scratch = ((__volatile__ u32 *) - dev_priv->ring_rptr->handle + - (RADEON_SCRATCH_REG_OFFSET / sizeof(u32))); - - dev_priv->sarea_priv->last_frame = 0; - RADEON_WRITE( RADEON_LAST_FRAME_REG, - dev_priv->sarea_priv->last_frame ); - - dev_priv->sarea_priv->last_dispatch = 0; - RADEON_WRITE( RADEON_LAST_DISPATCH_REG, - dev_priv->sarea_priv->last_dispatch ); - - dev_priv->sarea_priv->last_clear = 0; - RADEON_WRITE( RADEON_LAST_CLEAR_REG, - dev_priv->sarea_priv->last_clear ); - - radeon_cp_load_microcode( dev_priv ); - radeon_cp_init_ring_buffer( dev ); - radeon_do_engine_reset( dev ); - -#if ROTATE_BUFS - dev_priv->last_buf = 0; -#endif - - return 0; -} - -static int radeon_do_cleanup_cp( drm_device_t *dev ) -{ - if ( dev->dev_private ) { - drm_radeon_private_t *dev_priv = dev->dev_private; - - DRM_IOREMAPFREE( dev_priv->cp_ring ); - DRM_IOREMAPFREE( dev_priv->ring_rptr ); - DRM_IOREMAPFREE( dev_priv->buffers ); -#if 0 - if ( !dev_priv->is_pci ) { - DRM_IOREMAPFREE( dev_priv->agp_textures ); - } -#endif - - drm_free( dev->dev_private, sizeof(drm_radeon_private_t), - DRM_MEM_DRIVER ); - dev->dev_private = NULL; - } - - return 0; -} - -int radeon_cp_init( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_init_t init; - - if ( copy_from_user( &init, (drm_radeon_init_t *)arg, sizeof(init) ) ) - return -EFAULT; - - switch ( init.func ) { - case RADEON_INIT_CP: - return radeon_do_init_cp( dev, &init ); - case RADEON_CLEANUP_CP: - return radeon_do_cleanup_cp( dev ); - } - - return -EINVAL; -} - -int radeon_cp_start( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - if ( dev_priv->cp_running ) { - DRM_DEBUG( "%s while CP running\n", __FUNCTION__ ); - return 0; - } - if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) { - DRM_DEBUG( "%s called with bogus CP mode (%d)\n", - __FUNCTION__, dev_priv->cp_mode ); - return 0; - } - - radeon_do_cp_start( dev_priv ); - - return 0; -} - -/* Stop the CP. The engine must have been idled before calling this - * routine. - */ -int radeon_cp_stop( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_cp_stop_t stop; - int ret; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &stop, (drm_radeon_init_t *)arg, sizeof(stop) ) ) - return -EFAULT; - - /* Flush any pending CP commands. This ensures any outstanding - * commands are exectuted by the engine before we turn it off. - */ - if ( stop.flush ) { - radeon_do_cp_flush( dev_priv ); - } - - /* If we fail to make the engine go idle, we return an error - * code so that the DRM ioctl wrapper can try again. - */ - if ( stop.idle ) { - ret = radeon_do_cp_idle( dev_priv ); - if ( ret < 0 ) return ret; - } - - /* Finally, we can turn off the CP. If the engine isn't idle, - * we will get some dropped triangles as they won't be fully - * rendered before the CP is shut down. - */ - radeon_do_cp_stop( dev_priv ); - - /* Reset the engine */ - radeon_do_engine_reset( dev ); - - return 0; -} - -/* Just reset the CP ring. Called as part of an X Server engine reset. - */ -int radeon_cp_reset( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - if ( !dev_priv ) { - DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); - return -EINVAL; - } - - radeon_do_cp_reset( dev_priv ); - - /* The CP is no longer running after an engine reset */ - dev_priv->cp_running = 0; - - return 0; -} - -int radeon_cp_idle( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - return radeon_do_cp_idle( dev_priv ); -} - -int radeon_engine_reset( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - return radeon_do_engine_reset( dev ); -} - - -/* ================================================================ - * Fullscreen mode - */ - -static int radeon_do_init_pageflip( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - dev_priv->crtc_offset = RADEON_READ( RADEON_CRTC_OFFSET ); - dev_priv->crtc_offset_cntl = RADEON_READ( RADEON_CRTC_OFFSET_CNTL ); - - RADEON_WRITE( RADEON_CRTC_OFFSET, dev_priv->front_offset ); - RADEON_WRITE( RADEON_CRTC_OFFSET_CNTL, - dev_priv->crtc_offset_cntl | - RADEON_CRTC_OFFSET_FLIP_CNTL ); - - dev_priv->page_flipping = 1; - dev_priv->current_page = 0; - - return 0; -} - -int radeon_do_cleanup_pageflip( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - RADEON_WRITE( RADEON_CRTC_OFFSET, dev_priv->crtc_offset ); - RADEON_WRITE( RADEON_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl ); - - dev_priv->page_flipping = 0; - dev_priv->current_page = 0; - - return 0; -} - -int radeon_fullscreen( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_fullscreen_t fs; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &fs, (drm_radeon_fullscreen_t *)arg, - sizeof(fs) ) ) - return -EFAULT; - - switch ( fs.func ) { - case RADEON_INIT_FULLSCREEN: - return radeon_do_init_pageflip( dev ); - case RADEON_CLEANUP_FULLSCREEN: - return radeon_do_cleanup_pageflip( dev ); - } - - return -EINVAL; -} - - -/* ================================================================ - * Freelist management - */ -#define RADEON_BUFFER_USED 0xffffffff -#define RADEON_BUFFER_FREE 0 - -#if 0 -static int radeon_freelist_init( drm_device_t *dev ) -{ - drm_device_dma_t *dma = dev->dma; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_buf_t *buf; - drm_radeon_buf_priv_t *buf_priv; - drm_radeon_freelist_t *entry; - int i; - - dev_priv->head = drm_alloc( sizeof(drm_radeon_freelist_t), - DRM_MEM_DRIVER ); - if ( dev_priv->head == NULL ) - return -ENOMEM; - - memset( dev_priv->head, 0, sizeof(drm_radeon_freelist_t) ); - dev_priv->head->age = RADEON_BUFFER_USED; - - for ( i = 0 ; i < dma->buf_count ; i++ ) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - - entry = drm_alloc( sizeof(drm_radeon_freelist_t), - DRM_MEM_DRIVER ); - if ( !entry ) return -ENOMEM; - - entry->age = RADEON_BUFFER_FREE; - entry->buf = buf; - entry->prev = dev_priv->head; - entry->next = dev_priv->head->next; - if ( !entry->next ) - dev_priv->tail = entry; - - buf_priv->discard = 0; - buf_priv->dispatched = 0; - buf_priv->list_entry = entry; - - dev_priv->head->next = entry; - - if ( dev_priv->head->next ) - dev_priv->head->next->prev = entry; - } - - return 0; - -} -#endif - -drm_buf_t *radeon_freelist_get( drm_device_t *dev ) -{ - drm_device_dma_t *dma = dev->dma; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_buf_priv_t *buf_priv; - drm_buf_t *buf; - int i, t; -#if ROTATE_BUFS - int start; -#endif - - /* FIXME: Optimize -- use freelist code */ - - for ( i = 0 ; i < dma->buf_count ; i++ ) { - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - if ( buf->pid == 0 ) { - DRM_DEBUG( " ret buf=%d last=%d pid=0\n", - buf->idx, dev_priv->last_buf ); - return buf; - } - DRM_DEBUG( " skipping buf=%d pid=%d\n", - buf->idx, buf->pid ); - } - -#if ROTATE_BUFS - if ( ++dev_priv->last_buf >= dma->buf_count ) - dev_priv->last_buf = 0; - start = dev_priv->last_buf; -#endif - for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) { -#if 0 - /* FIXME: Disable this for now */ - u32 done_age = dev_priv->scratch[RADEON_LAST_DISPATCH]; -#else - u32 done_age = RADEON_READ( RADEON_LAST_DISPATCH_REG ); -#endif -#if ROTATE_BUFS - for ( i = start ; i < dma->buf_count ; i++ ) { -#else - for ( i = 0 ; i < dma->buf_count ; i++ ) { -#endif - buf = dma->buflist[i]; - buf_priv = buf->dev_private; - if ( buf->pending && buf_priv->age <= done_age ) { - /* The buffer has been processed, so it - * can now be used. - */ - buf->pending = 0; - DRM_DEBUG( " ret buf=%d last=%d age=%d done=%d\n", buf->idx, dev_priv->last_buf, buf_priv->age, done_age ); - return buf; - } - DRM_DEBUG( " skipping buf=%d age=%d done=%d\n", - buf->idx, buf_priv->age, - done_age ); -#if ROTATE_BUFS - start = 0; -#endif - } - udelay( 1 ); - } - - DRM_ERROR( "returning NULL!\n" ); - return NULL; -} - -void radeon_freelist_reset( drm_device_t *dev ) -{ - drm_device_dma_t *dma = dev->dma; -#if ROTATE_BUFS - drm_radeon_private_t *dev_priv = dev->dev_private; -#endif - int i; - -#if ROTATE_BUFS - dev_priv->last_buf = 0; -#endif - for ( i = 0 ; i < dma->buf_count ; i++ ) { - drm_buf_t *buf = dma->buflist[i]; - drm_radeon_buf_priv_t *buf_priv = buf->dev_private; - buf_priv->age = 0; - } -} - - -/* ================================================================ - * CP command submission - */ - -int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ) -{ - drm_radeon_ring_buffer_t *ring = &dev_priv->ring; - int i; - - for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - ring->space = *ring->head - ring->tail; - if ( ring->space <= 0 ) - ring->space += ring->size; - - if ( ring->space >= n ) - return 0; - - udelay( 1 ); - } - - /* FIXME: This return value is ignored in the BEGIN_RING macro! */ - DRM_ERROR( "failed!\n" ); - return -EBUSY; -} - -void radeon_update_ring_snapshot( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_ring_buffer_t *ring = &dev_priv->ring; - - ring->space = *ring->head - ring->tail; - if ( ring->space == 0 ) - atomic_inc( &dev_priv->idle_count ); - if ( ring->space <= 0 ) - ring->space += ring->size; -} - -static int radeon_cp_get_buffers( drm_device_t *dev, drm_dma_t *d ) -{ - int i; - drm_buf_t *buf; - - for ( i = d->granted_count ; i < d->request_count ; i++ ) { - buf = radeon_freelist_get( dev ); - if ( !buf ) return -EAGAIN; - - buf->pid = current->pid; - - if ( copy_to_user( &d->request_indices[i], &buf->idx, - sizeof(buf->idx) ) ) - return -EFAULT; - if ( copy_to_user( &d->request_sizes[i], &buf->total, - sizeof(buf->total) ) ) - return -EFAULT; - - d->granted_count++; - } - return 0; -} - -int radeon_cp_buffers( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int ret = 0; - drm_dma_t d; - - if ( copy_from_user( &d, (drm_dma_t *) arg, sizeof(d) ) ) - return -EFAULT; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - /* Please don't send us buffers. - */ - if ( d.send_count != 0 ) { - DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", - current->pid, d.send_count ); - return -EINVAL; - } - - /* We'll send you buffers. - */ - if ( d.request_count < 0 || d.request_count > dma->buf_count ) { - DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", - current->pid, d.request_count, dma->buf_count ); - return -EINVAL; - } - - d.granted_count = 0; - - if ( d.request_count ) { - ret = radeon_cp_get_buffers( dev, &d ); - } - - if ( copy_to_user( (drm_dma_t *) arg, &d, sizeof(d) ) ) - return -EFAULT; - - return ret; -} diff --git a/linux/radeon_drm.h b/linux/radeon_drm.h deleted file mode 100644 index 15d91693..00000000 --- a/linux/radeon_drm.h +++ /dev/null @@ -1,327 +0,0 @@ -/* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*- - * - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Kevin E. Martin <martin@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - */ - -#ifndef __RADEON_DRM_H__ -#define __RADEON_DRM_H__ - -/* WARNING: If you change any of these defines, make sure to change the - * defines in the X server file (radeon_sarea.h) - */ -#ifndef __RADEON_SAREA_DEFINES__ -#define __RADEON_SAREA_DEFINES__ - -/* What needs to be changed for the current vertex buffer? - */ -#define RADEON_UPLOAD_CONTEXT 0x00000001 -#define RADEON_UPLOAD_VERTFMT 0x00000002 -#define RADEON_UPLOAD_LINE 0x00000004 -#define RADEON_UPLOAD_BUMPMAP 0x00000008 -#define RADEON_UPLOAD_MASKS 0x00000010 -#define RADEON_UPLOAD_VIEWPORT 0x00000020 -#define RADEON_UPLOAD_SETUP 0x00000040 -#define RADEON_UPLOAD_TCL 0x00000080 -#define RADEON_UPLOAD_MISC 0x00000100 -#define RADEON_UPLOAD_TEX0 0x00000200 -#define RADEON_UPLOAD_TEX1 0x00000400 -#define RADEON_UPLOAD_TEX2 0x00000800 -#define RADEON_UPLOAD_TEX0IMAGES 0x00001000 -#define RADEON_UPLOAD_TEX1IMAGES 0x00002000 -#define RADEON_UPLOAD_TEX2IMAGES 0x00004000 -#define RADEON_UPLOAD_CLIPRECTS 0x00008000 /* handled client-side */ -#define RADEON_REQUIRE_QUIESCENCE 0x00010000 -#define RADEON_UPLOAD_ALL 0x0001ffff - -#define RADEON_FRONT 0x1 -#define RADEON_BACK 0x2 -#define RADEON_DEPTH 0x4 - -/* Primitive types - */ -#define RADEON_POINTS 0x1 -#define RADEON_LINES 0x2 -#define RADEON_LINE_STRIP 0x3 -#define RADEON_TRIANGLES 0x4 -#define RADEON_TRIANGLE_FAN 0x5 -#define RADEON_TRIANGLE_STRIP 0x6 - -/* Vertex/indirect buffer size - */ -#define RADEON_BUFFER_SIZE 16384 - -/* Byte offsets for indirect buffer data - */ -#define RADEON_INDEX_PRIM_OFFSET 20 -#define RADEON_HOSTDATA_BLIT_OFFSET 32 - -#define RADEON_SCRATCH_REG_OFFSET 32 - -/* Keep these small for testing - */ -#define RADEON_NR_SAREA_CLIPRECTS 12 - -/* There are 2 heaps (local/AGP). Each region within a heap is a - * minimum of 64k, and there are at most 64 of them per heap. - */ -#define RADEON_LOCAL_TEX_HEAP 0 -#define RADEON_AGP_TEX_HEAP 1 -#define RADEON_NR_TEX_HEAPS 2 -#define RADEON_NR_TEX_REGIONS 64 -#define RADEON_LOG_TEX_GRANULARITY 16 - -#define RADEON_MAX_TEXTURE_LEVELS 11 -#define RADEON_MAX_TEXTURE_UNITS 3 - -#endif /* __RADEON_SAREA_DEFINES__ */ - -typedef struct { - unsigned int red; - unsigned int green; - unsigned int blue; - unsigned int alpha; -} radeon_color_regs_t; - -typedef struct { - /* Context state */ - unsigned int pp_misc; /* 0x1c14 */ - unsigned int pp_fog_color; - unsigned int re_solid_color; - unsigned int rb3d_blendcntl; - unsigned int rb3d_depthoffset; - unsigned int rb3d_depthpitch; - unsigned int rb3d_zstencilcntl; - - unsigned int pp_cntl; /* 0x1c38 */ - unsigned int rb3d_cntl; - unsigned int rb3d_coloroffset; - unsigned int re_width_height; - unsigned int rb3d_colorpitch; - unsigned int se_cntl; - - /* Vertex format state */ - unsigned int se_coord_fmt; /* 0x1c50 */ - - /* Line state */ - unsigned int re_line_pattern; /* 0x1cd0 */ - unsigned int re_line_state; - - unsigned int se_line_width; /* 0x1db8 */ - - /* Bumpmap state */ - unsigned int pp_lum_matrix; /* 0x1d00 */ - - unsigned int pp_rot_matrix_0; /* 0x1d58 */ - unsigned int pp_rot_matrix_1; - - /* Mask state */ - unsigned int rb3d_stencilrefmask; /* 0x1d7c */ - unsigned int rb3d_ropcntl; - unsigned int rb3d_planemask; - - /* Viewport state */ - unsigned int se_vport_xscale; /* 0x1d98 */ - unsigned int se_vport_xoffset; - unsigned int se_vport_yscale; - unsigned int se_vport_yoffset; - unsigned int se_vport_zscale; - unsigned int se_vport_zoffset; - - /* Setup state */ - unsigned int se_cntl_status; /* 0x2140 */ - -#ifdef TCL_ENABLE - /* TCL state */ - radeon_color_regs_t se_tcl_material_emmissive; /* 0x2210 */ - radeon_color_regs_t se_tcl_material_ambient; - radeon_color_regs_t se_tcl_material_diffuse; - radeon_color_regs_t se_tcl_material_specular; - unsigned int se_tcl_shininess; - unsigned int se_tcl_output_vtx_fmt; - unsigned int se_tcl_output_vtx_sel; - unsigned int se_tcl_matrix_select_0; - unsigned int se_tcl_matrix_select_1; - unsigned int se_tcl_ucp_vert_blend_ctl; - unsigned int se_tcl_texture_proc_ctl; - unsigned int se_tcl_light_model_ctl; - unsigned int se_tcl_per_light_ctl[4]; -#endif - - /* Misc state */ - unsigned int re_top_left; /* 0x26c0 */ - unsigned int re_misc; -} drm_radeon_context_regs_t; - -/* Setup registers for each texture unit - */ -typedef struct { - unsigned int pp_txfilter; - unsigned int pp_txformat; - unsigned int pp_txoffset; - unsigned int pp_txcblend; - unsigned int pp_txablend; - unsigned int pp_tfactor; - - unsigned int pp_border_color; - -#ifdef CUBIC_ENABLE - unsigned int pp_cubic_faces; - unsigned int pp_cubic_offset[5]; -#endif -} drm_radeon_texture_regs_t; - -typedef struct { - unsigned char next, prev; - unsigned char in_use; - int age; -} drm_radeon_tex_region_t; - -typedef struct { - /* The channel for communication of state information to the kernel - * on firing a vertex buffer. - */ - drm_radeon_context_regs_t context_state; - drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS]; - unsigned int dirty; - unsigned int vertsize; - unsigned int vc_format; - - /* The current cliprects, or a subset thereof. - */ - drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS]; - unsigned int nbox; - - /* Counters for client-side throttling of rendering clients. - */ - unsigned int last_frame; - unsigned int last_dispatch; - unsigned int last_clear; - - drm_radeon_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1]; - int tex_age[RADEON_NR_TEX_HEAPS]; - int ctx_owner; -} drm_radeon_sarea_t; - - -/* WARNING: If you change any of these defines, make sure to change the - * defines in the Xserver file (xf86drmRadeon.h) - */ -typedef struct drm_radeon_init { - enum { - RADEON_INIT_CP = 0x01, - RADEON_CLEANUP_CP = 0x02 - } func; - int sarea_priv_offset; - int is_pci; - int cp_mode; - int agp_size; - int ring_size; - int usec_timeout; - - unsigned int fb_bpp; - unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; - unsigned int depth_bpp; - unsigned int depth_offset, depth_pitch; - - unsigned int fb_offset; - unsigned int mmio_offset; - unsigned int ring_offset; - unsigned int ring_rptr_offset; - unsigned int buffers_offset; - unsigned int agp_textures_offset; -} drm_radeon_init_t; - -typedef struct drm_radeon_cp_stop { - int flush; - int idle; -} drm_radeon_cp_stop_t; - -typedef struct drm_radeon_fullscreen { - enum { - RADEON_INIT_FULLSCREEN = 0x01, - RADEON_CLEANUP_FULLSCREEN = 0x02 - } func; -} drm_radeon_fullscreen_t; - -#define CLEAR_X1 0 -#define CLEAR_Y1 1 -#define CLEAR_X2 2 -#define CLEAR_Y2 3 -#define CLEAR_DEPTH 4 - -typedef struct drm_radeon_clear { - unsigned int flags; - int x, y, w, h; - unsigned int clear_color; - unsigned int clear_depth; - unsigned int color_mask; - unsigned int depth_mask; - union { - float f[5]; - unsigned int ui[5]; - } rect; -} drm_radeon_clear_t; - -typedef struct drm_radeon_vertex { - int prim; - int idx; /* Index of vertex buffer */ - int count; /* Number of vertices in buffer */ - int discard; /* Client finished with buffer? */ -} drm_radeon_vertex_t; - -typedef struct drm_radeon_indices { - int prim; - int idx; - int start; - int end; - int discard; /* Client finished with buffer? */ -} drm_radeon_indices_t; - -typedef struct drm_radeon_blit { - int idx; - int pitch; - int offset; - int format; - unsigned short x, y; - unsigned short width, height; -} drm_radeon_blit_t; - -typedef struct drm_radeon_stipple { - unsigned int *mask; -} drm_radeon_stipple_t; - -typedef struct drm_radeon_indirect { - int idx; - int start; - int end; - int discard; -} drm_radeon_indirect_t; - -#endif diff --git a/linux/radeon_state.c b/linux/radeon_state.c deleted file mode 100644 index 75aed88d..00000000 --- a/linux/radeon_state.c +++ /dev/null @@ -1,1457 +0,0 @@ -/* radeon_state.c -- State support for Radeon -*- linux-c -*- - * - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes <gareth@valinux.com> - * Kevin E. Martin <martin@valinux.com> - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "radeon_drv.h" -#include "drm.h" -#include <linux/delay.h> - - -/* ================================================================ - * CP hardware state programming functions - */ - -static inline void radeon_emit_clip_rect( drm_radeon_private_t *dev_priv, - drm_clip_rect_t *box ) -{ - RING_LOCALS; - - DRM_DEBUG( " box: x1=%d y1=%d x2=%d y2=%d\n", - box->x1, box->y1, box->x2, box->y2 ); - - BEGIN_RING( 4 ); - - OUT_RING( CP_PACKET0( RADEON_RE_TOP_LEFT, 0 ) ); - OUT_RING( (box->y1 << 16) | box->x1 ); - - OUT_RING( CP_PACKET0( RADEON_RE_WIDTH_HEIGHT, 0 ) ); - OUT_RING( ((box->y2 - 1) << 16) | (box->x2 - 1) ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_context( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 14 ); - - OUT_RING( CP_PACKET0( RADEON_PP_MISC, 6 ) ); - OUT_RING( ctx->pp_misc ); - OUT_RING( ctx->pp_fog_color ); - OUT_RING( ctx->re_solid_color ); - OUT_RING( ctx->rb3d_blendcntl ); - OUT_RING( ctx->rb3d_depthoffset ); - OUT_RING( ctx->rb3d_depthpitch ); - OUT_RING( ctx->rb3d_zstencilcntl ); - - OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 2 ) ); - OUT_RING( ctx->pp_cntl ); - OUT_RING( ctx->rb3d_cntl ); - OUT_RING( ctx->rb3d_coloroffset ); - - OUT_RING( CP_PACKET0( RADEON_RB3D_COLORPITCH, 0 ) ); - OUT_RING( ctx->rb3d_colorpitch ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_vertfmt( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 2 ); - - OUT_RING( CP_PACKET0( RADEON_SE_COORD_FMT, 0 ) ); - OUT_RING( ctx->se_coord_fmt ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_line( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 5 ); - - OUT_RING( CP_PACKET0( RADEON_RE_LINE_PATTERN, 1 ) ); - OUT_RING( ctx->re_line_pattern ); - OUT_RING( ctx->re_line_state ); - - OUT_RING( CP_PACKET0( RADEON_SE_LINE_WIDTH, 0 ) ); - OUT_RING( ctx->se_line_width ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_bumpmap( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 5 ); - - OUT_RING( CP_PACKET0( RADEON_PP_LUM_MATRIX, 0 ) ); - OUT_RING( ctx->pp_lum_matrix ); - - OUT_RING( CP_PACKET0( RADEON_PP_ROT_MATRIX_0, 1 ) ); - OUT_RING( ctx->pp_rot_matrix_0 ); - OUT_RING( ctx->pp_rot_matrix_1 ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_masks( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 4 ); - - OUT_RING( CP_PACKET0( RADEON_RB3D_STENCILREFMASK, 2 ) ); - OUT_RING( ctx->rb3d_stencilrefmask ); - OUT_RING( ctx->rb3d_ropcntl ); - OUT_RING( ctx->rb3d_planemask ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_viewport( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 7 ); - - OUT_RING( CP_PACKET0( RADEON_SE_VPORT_XSCALE, 5 ) ); - OUT_RING( ctx->se_vport_xscale ); - OUT_RING( ctx->se_vport_xoffset ); - OUT_RING( ctx->se_vport_yscale ); - OUT_RING( ctx->se_vport_yoffset ); - OUT_RING( ctx->se_vport_zscale ); - OUT_RING( ctx->se_vport_zoffset ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_setup( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 4 ); - - OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) ); - OUT_RING( ctx->se_cntl ); - OUT_RING( CP_PACKET0( RADEON_SE_CNTL_STATUS, 0 ) ); - OUT_RING( ctx->se_cntl_status ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_tcl( drm_radeon_private_t *dev_priv ) -{ -#ifdef TCL_ENABLE - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 29 ); - - OUT_RING( CP_PACKET0( RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED, 27 ) ); - OUT_RING( ctx->se_tcl_material_emmissive.red ); - OUT_RING( ctx->se_tcl_material_emmissive.green ); - OUT_RING( ctx->se_tcl_material_emmissive.blue ); - OUT_RING( ctx->se_tcl_material_emmissive.alpha ); - OUT_RING( ctx->se_tcl_material_ambient.red ); - OUT_RING( ctx->se_tcl_material_ambient.green ); - OUT_RING( ctx->se_tcl_material_ambient.blue ); - OUT_RING( ctx->se_tcl_material_ambient.alpha ); - OUT_RING( ctx->se_tcl_material_diffuse.red ); - OUT_RING( ctx->se_tcl_material_diffuse.green ); - OUT_RING( ctx->se_tcl_material_diffuse.blue ); - OUT_RING( ctx->se_tcl_material_diffuse.alpha ); - OUT_RING( ctx->se_tcl_material_specular.red ); - OUT_RING( ctx->se_tcl_material_specular.green ); - OUT_RING( ctx->se_tcl_material_specular.blue ); - OUT_RING( ctx->se_tcl_material_specular.alpha ); - OUT_RING( ctx->se_tcl_shininess ); - OUT_RING( ctx->se_tcl_output_vtx_fmt ); - OUT_RING( ctx->se_tcl_output_vtx_sel ); - OUT_RING( ctx->se_tcl_matrix_select_0 ); - OUT_RING( ctx->se_tcl_matrix_select_1 ); - OUT_RING( ctx->se_tcl_ucp_vert_blend_ctl ); - OUT_RING( ctx->se_tcl_texture_proc_ctl ); - OUT_RING( ctx->se_tcl_light_model_ctl ); - for ( i = 0 ; i < 4 ; i++ ) { - OUT_RING( ctx->se_tcl_per_light_ctl[i] ); - } - - ADVANCE_RING(); -#else - DRM_ERROR( "TCL not enabled!\n" ); -#endif -} - -static inline void radeon_emit_misc( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_context_regs_t *ctx = &sarea_priv->context_state; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 2 ); - - OUT_RING( CP_PACKET0( RADEON_RE_MISC, 0 ) ); - OUT_RING( ctx->re_misc ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_tex0( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_texture_regs_t *tex = &sarea_priv->tex_state[0]; - RING_LOCALS; - DRM_DEBUG( " %s: offset=0x%x\n", __FUNCTION__, tex->pp_txoffset ); - - BEGIN_RING( 9 ); - - OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_0, 5 ) ); - OUT_RING( tex->pp_txfilter ); - OUT_RING( tex->pp_txformat ); - OUT_RING( tex->pp_txoffset ); - OUT_RING( tex->pp_txcblend ); - OUT_RING( tex->pp_txablend ); - OUT_RING( tex->pp_tfactor ); - - OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_0, 0 ) ); - OUT_RING( tex->pp_border_color ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_tex1( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_texture_regs_t *tex = &sarea_priv->tex_state[1]; - RING_LOCALS; - DRM_DEBUG( " %s: offset=0x%x\n", __FUNCTION__, tex->pp_txoffset ); - - BEGIN_RING( 9 ); - - OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_1, 5 ) ); - OUT_RING( tex->pp_txfilter ); - OUT_RING( tex->pp_txformat ); - OUT_RING( tex->pp_txoffset ); - OUT_RING( tex->pp_txcblend ); - OUT_RING( tex->pp_txablend ); - OUT_RING( tex->pp_tfactor ); - - OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_1, 0 ) ); - OUT_RING( tex->pp_border_color ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_tex2( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_texture_regs_t *tex = &sarea_priv->tex_state[2]; - RING_LOCALS; - DRM_DEBUG( " %s\n", __FUNCTION__ ); - - BEGIN_RING( 9 ); - - OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_2, 5 ) ); - OUT_RING( tex->pp_txfilter ); - OUT_RING( tex->pp_txformat ); - OUT_RING( tex->pp_txoffset ); - OUT_RING( tex->pp_txcblend ); - OUT_RING( tex->pp_txablend ); - OUT_RING( tex->pp_tfactor ); - - OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_2, 0 ) ); - OUT_RING( tex->pp_border_color ); - - ADVANCE_RING(); -} - -static inline void radeon_emit_state( drm_radeon_private_t *dev_priv ) -{ - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int dirty = sarea_priv->dirty; - - DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty ); - - if ( dirty & RADEON_UPLOAD_CONTEXT ) { - radeon_emit_context( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_CONTEXT; - } - - if ( dirty & RADEON_UPLOAD_VERTFMT ) { - radeon_emit_vertfmt( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_VERTFMT; - } - - if ( dirty & RADEON_UPLOAD_LINE ) { - radeon_emit_line( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_LINE; - } - - if ( dirty & RADEON_UPLOAD_BUMPMAP ) { - radeon_emit_bumpmap( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_BUMPMAP; - } - - if ( dirty & RADEON_UPLOAD_MASKS ) { - radeon_emit_masks( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_MASKS; - } - - if ( dirty & RADEON_UPLOAD_VIEWPORT ) { - radeon_emit_viewport( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_VIEWPORT; - } - - if ( dirty & RADEON_UPLOAD_SETUP ) { - radeon_emit_setup( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_SETUP; - } - - if ( dirty & RADEON_UPLOAD_TCL ) { -#ifdef TCL_ENABLE - radeon_emit_tcl( dev_priv ); -#endif - sarea_priv->dirty &= ~RADEON_UPLOAD_TCL; - } - - if ( dirty & RADEON_UPLOAD_MISC ) { - radeon_emit_misc( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_MISC; - } - - if ( dirty & RADEON_UPLOAD_TEX0 ) { - radeon_emit_tex0( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_TEX0; - } - - if ( dirty & RADEON_UPLOAD_TEX1 ) { - radeon_emit_tex1( dev_priv ); - sarea_priv->dirty &= ~RADEON_UPLOAD_TEX1; - } - - if ( dirty & RADEON_UPLOAD_TEX2 ) { -#if 0 - radeon_emit_tex2( dev_priv ); -#endif - sarea_priv->dirty &= ~RADEON_UPLOAD_TEX2; - } - - sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES | - RADEON_UPLOAD_TEX1IMAGES | - RADEON_UPLOAD_TEX2IMAGES | - RADEON_REQUIRE_QUIESCENCE); -} - - -#if RADEON_PERFORMANCE_BOXES -/* ================================================================ - * Performance monitoring functions - */ - -static void radeon_clear_box( drm_radeon_private_t *dev_priv, - int x, int y, int w, int h, - int r, int g, int b ) -{ - u32 pitch, offset; - u32 color; - RING_LOCALS; - - switch ( dev_priv->color_fmt ) { - case RADEON_COLOR_FORMAT_RGB565: - color = (((r & 0xf8) << 8) | - ((g & 0xfc) << 3) | - ((b & 0xf8) >> 3)); - break; - case RADEON_COLOR_FORMAT_ARGB8888: - default: - color = (((0xff) << 24) | (r << 16) | (g << 8) | b); - break; - } - - offset = dev_priv->back_offset; - pitch = dev_priv->back_pitch >> 3; - - BEGIN_RING( 6 ); - - OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_P | - RADEON_GMC_CLR_CMP_CNTL_DIS ); - - OUT_RING( (pitch << 22) | (offset >> 5) ); - OUT_RING( color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); -} - -static void radeon_cp_performance_boxes( drm_radeon_private_t *dev_priv ) -{ - if ( atomic_read( &dev_priv->idle_count ) == 0 ) { - radeon_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 ); - } else { - atomic_set( &dev_priv->idle_count, 0 ); - } -} - -#endif - - -/* ================================================================ - * CP command dispatch functions - */ - -static void radeon_print_dirty( const char *msg, unsigned int flags ) -{ - DRM_DEBUG( "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", - msg, - flags, - (flags & RADEON_UPLOAD_CONTEXT) ? "context, " : "", - (flags & RADEON_UPLOAD_VERTFMT) ? "vertfmt, " : "", - (flags & RADEON_UPLOAD_LINE) ? "line, " : "", - (flags & RADEON_UPLOAD_BUMPMAP) ? "bumpmap, " : "", - (flags & RADEON_UPLOAD_MASKS) ? "masks, " : "", - (flags & RADEON_UPLOAD_VIEWPORT) ? "viewport, " : "", - (flags & RADEON_UPLOAD_SETUP) ? "setup, " : "", - (flags & RADEON_UPLOAD_TCL) ? "tcl, " : "", - (flags & RADEON_UPLOAD_MISC) ? "misc, " : "", - (flags & RADEON_UPLOAD_TEX0) ? "tex0, " : "", - (flags & RADEON_UPLOAD_TEX1) ? "tex1, " : "", - (flags & RADEON_UPLOAD_TEX2) ? "tex2, " : "", - (flags & RADEON_UPLOAD_CLIPRECTS) ? "cliprects, " : "", - (flags & RADEON_REQUIRE_QUIESCENCE) ? "quiescence, " : "" ); -} - -static void radeon_cp_dispatch_clear( drm_device_t *dev, - drm_radeon_clear_t *clear ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - unsigned int flags = clear->flags; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - radeon_update_ring_snapshot( dev_priv ); - - if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { - unsigned int tmp = flags; - - flags &= ~(RADEON_FRONT | RADEON_BACK); - if ( tmp & RADEON_FRONT ) flags |= RADEON_BACK; - if ( tmp & RADEON_BACK ) flags |= RADEON_FRONT; - } - - for ( i = 0 ; i < nbox ; i++ ) { - int x = pbox[i].x1; - int y = pbox[i].y1; - int w = pbox[i].x2 - x; - int h = pbox[i].y2 - y; - - DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n", - x, y, w, h, flags ); - - if ( flags & (RADEON_FRONT | RADEON_BACK) ) { - BEGIN_RING( 4 ); - - /* Ensure the 3D stream is idle before doing a - * 2D fill to clear the front or back buffer. - */ - RADEON_WAIT_UNTIL_3D_IDLE(); - - OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) ); - OUT_RING( clear->color_mask ); - - ADVANCE_RING(); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= (RADEON_UPLOAD_CONTEXT | - RADEON_UPLOAD_MASKS); - } - - if ( flags & RADEON_FRONT ) { - BEGIN_RING( 6 ); - - OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_P | - RADEON_GMC_CLR_CMP_CNTL_DIS ); - - OUT_RING( dev_priv->front_pitch_offset ); - OUT_RING( clear->clear_color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - } - - if ( flags & RADEON_BACK ) { - BEGIN_RING( 6 ); - - OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); - OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_SOLID_COLOR | - (dev_priv->color_fmt << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_P | - RADEON_GMC_CLR_CMP_CNTL_DIS ); - - OUT_RING( dev_priv->back_pitch_offset ); - OUT_RING( clear->clear_color ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - - } - - if ( flags & RADEON_DEPTH ) { - drm_radeon_depth_clear_t *depth_clear = - &dev_priv->depth_clear; - - if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { - radeon_emit_state( dev_priv ); - } - - /* FIXME: Render a rectangle to clear the depth - * buffer. So much for those "fast Z clears"... - */ - BEGIN_RING( 23 ); - - RADEON_WAIT_UNTIL_2D_IDLE(); - - OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 1 ) ); - OUT_RING( 0x00000000 ); - OUT_RING( depth_clear->rb3d_cntl ); - OUT_RING( CP_PACKET0( RADEON_RB3D_ZSTENCILCNTL, 0 ) ); - OUT_RING( depth_clear->rb3d_zstencilcntl ); - OUT_RING( CP_PACKET0( RADEON_RB3D_PLANEMASK, 0 ) ); - OUT_RING( 0x00000000 ); - OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) ); - OUT_RING( depth_clear->se_cntl ); - - OUT_RING( CP_PACKET3( RADEON_3D_DRAW_IMMD, 10 ) ); - OUT_RING( RADEON_VTX_Z_PRESENT ); - OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST | - RADEON_PRIM_WALK_RING | - RADEON_MAOS_ENABLE | - RADEON_VTX_FMT_RADEON_MODE | - (3 << RADEON_NUM_VERTICES_SHIFT)) ); - - OUT_RING( clear->rect.ui[CLEAR_X1] ); - OUT_RING( clear->rect.ui[CLEAR_Y1] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); - - OUT_RING( clear->rect.ui[CLEAR_X1] ); - OUT_RING( clear->rect.ui[CLEAR_Y2] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); - - OUT_RING( clear->rect.ui[CLEAR_X2] ); - OUT_RING( clear->rect.ui[CLEAR_Y2] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); - - ADVANCE_RING(); - - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= (RADEON_UPLOAD_CONTEXT | - RADEON_UPLOAD_SETUP | - RADEON_UPLOAD_MASKS); - } - } - - /* Increment the clear counter. The client-side 3D driver must - * wait on this value before performing the clear ioctl. We - * need this because the card's so damned fast... - */ - dev_priv->sarea_priv->last_clear++; - - BEGIN_RING( 4 ); - - RADEON_CLEAR_AGE( dev_priv->sarea_priv->last_clear ); - RADEON_WAIT_UNTIL_IDLE(); - - ADVANCE_RING(); -} - -static void radeon_cp_dispatch_swap( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - radeon_update_ring_snapshot( dev_priv ); - -#if RADEON_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - radeon_cp_performance_boxes( dev_priv ); -#endif - - /* Wait for the 3D stream to idle before dispatching the bitblt. - * This will prevent data corruption between the two streams. - */ - BEGIN_RING( 2 ); - - RADEON_WAIT_UNTIL_3D_IDLE(); - - ADVANCE_RING(); - - for ( i = 0 ; i < nbox ; i++ ) { - int x = pbox[i].x1; - int y = pbox[i].y1; - int w = pbox[i].x2 - x; - int h = pbox[i].y2 - y; - - DRM_DEBUG( "dispatch swap %d,%d-%d,%d\n", - x, y, w, h ); - - BEGIN_RING( 7 ); - - OUT_RING( CP_PACKET3( RADEON_CNTL_BITBLT_MULTI, 5 ) ); - OUT_RING( RADEON_GMC_SRC_PITCH_OFFSET_CNTL | - RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_NONE | - (dev_priv->color_fmt << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_S | - RADEON_DP_SRC_SOURCE_MEMORY | - RADEON_GMC_CLR_CMP_CNTL_DIS | - RADEON_GMC_WR_MSK_DIS ); - - OUT_RING( dev_priv->back_pitch_offset ); - OUT_RING( dev_priv->front_pitch_offset ); - - OUT_RING( (x << 16) | y ); - OUT_RING( (x << 16) | y ); - OUT_RING( (w << 16) | h ); - - ADVANCE_RING(); - } - - /* Increment the frame counter. The client-side 3D driver must - * throttle the framerate by waiting for this value before - * performing the swapbuffer ioctl. - */ - dev_priv->sarea_priv->last_frame++; - - BEGIN_RING( 4 ); - - RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); - RADEON_WAIT_UNTIL_2D_IDLE(); - - ADVANCE_RING(); -} - -static void radeon_cp_dispatch_flip( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - RING_LOCALS; - DRM_DEBUG( "%s: page=%d\n", __FUNCTION__, dev_priv->current_page ); - - radeon_update_ring_snapshot( dev_priv ); - -#if RADEON_PERFORMANCE_BOXES - /* Do some trivial performance monitoring... - */ - radeon_cp_performance_boxes( dev_priv ); -#endif - - BEGIN_RING( 6 ); - - RADEON_WAIT_UNTIL_3D_IDLE(); - RADEON_WAIT_UNTIL_PAGE_FLIPPED(); - - OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET, 0 ) ); - - if ( dev_priv->current_page == 0 ) { - OUT_RING( dev_priv->back_offset ); - dev_priv->current_page = 1; - } else { - OUT_RING( dev_priv->front_offset ); - dev_priv->current_page = 0; - } - - ADVANCE_RING(); - - /* Increment the frame counter. The client-side 3D driver must - * throttle the framerate by waiting for this value before - * performing the swapbuffer ioctl. - */ - dev_priv->sarea_priv->last_frame++; - - BEGIN_RING( 2 ); - - RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); - - ADVANCE_RING(); -} - -static void radeon_cp_dispatch_vertex( drm_device_t *dev, - drm_buf_t *buf ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_buf_priv_t *buf_priv = buf->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = dev_priv->agp_buffers_offset + buf->offset; - int size = buf->used; - int prim = buf_priv->prim; - int i = 0; - RING_LOCALS; - DRM_DEBUG( "%s: nbox=%d\n", __FUNCTION__, sarea_priv->nbox ); - - radeon_update_ring_snapshot( dev_priv ); - - if ( 0 ) - radeon_print_dirty( "dispatch_vertex", sarea_priv->dirty ); - - if ( buf->used ) { - buf_priv->dispatched = 1; - - if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { - radeon_emit_state( dev_priv ); - } - - do { - /* Emit the next set of up to three cliprects */ - if ( i < sarea_priv->nbox ) { - radeon_emit_clip_rect( dev_priv, - &sarea_priv->boxes[i] ); - } - - /* Emit the vertex buffer rendering commands */ - BEGIN_RING( 5 ); - - OUT_RING( CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, 3 ) ); - OUT_RING( offset ); - OUT_RING( size ); - OUT_RING( format ); - OUT_RING( prim | RADEON_PRIM_WALK_LIST | - RADEON_COLOR_ORDER_RGBA | - RADEON_VTX_FMT_RADEON_MODE | - (size << RADEON_NUM_VERTICES_SHIFT) ); - - ADVANCE_RING(); - - i++; - } while ( i < sarea_priv->nbox ); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING( 2 ); - RADEON_DISPATCH_AGE( buf_priv->age ); - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~RADEON_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - - -static void radeon_cp_dispatch_indirect( drm_device_t *dev, - drm_buf_t *buf, - int start, int end ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_buf_priv_t *buf_priv = buf->dev_private; - RING_LOCALS; - DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n", - buf->idx, start, end ); - - radeon_update_ring_snapshot( dev_priv ); - - if ( start != end ) { - int offset = (dev_priv->agp_buffers_offset - + buf->offset + start); - int dwords = (end - start + 3) / sizeof(u32); - - /* Indirect buffer data must be an even number of - * dwords, so if we've been given an odd number we must - * pad the data with a Type-2 CP packet. - */ - if ( dwords & 1 ) { - u32 *data = (u32 *) - ((char *)dev_priv->buffers->handle - + buf->offset + start); - data[dwords++] = RADEON_CP_PACKET2; - } - - buf_priv->dispatched = 1; - - /* Fire off the indirect buffer */ - BEGIN_RING( 3 ); - - OUT_RING( CP_PACKET0( RADEON_CP_IB_BASE, 1 ) ); - OUT_RING( offset ); - OUT_RING( dwords ); - - ADVANCE_RING(); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the indirect buffer age */ - BEGIN_RING( 2 ); - RADEON_DISPATCH_AGE( buf_priv->age ); - ADVANCE_RING(); - - buf->pending = 1; - buf->used = 0; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; -} - -static void radeon_cp_dispatch_indices( drm_device_t *dev, - drm_buf_t *buf, - int start, int end, - int count ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_buf_priv_t *buf_priv = buf->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - int format = sarea_priv->vc_format; - int offset = dev_priv->agp_buffers_offset; - int prim = buf_priv->prim; - u32 *data; - int dwords; - int i = 0; - RING_LOCALS; - DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count ); - - radeon_update_ring_snapshot( dev_priv ); - - if ( 0 ) - radeon_print_dirty( "dispatch_indices", sarea_priv->dirty ); - - if ( start != end ) { - buf_priv->dispatched = 1; - - if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { - radeon_emit_state( dev_priv ); - } - - dwords = (end - start + 3) / sizeof(u32); - - data = (u32 *)((char *)dev_priv->buffers->handle - + buf->offset + start); - - data[0] = CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, dwords-2 ); - - data[1] = offset; - data[2] = RADEON_MAX_VB_VERTS; - data[3] = format; - data[4] = (prim | RADEON_PRIM_WALK_IND | - RADEON_COLOR_ORDER_RGBA | - RADEON_VTX_FMT_RADEON_MODE | - (count << RADEON_NUM_VERTICES_SHIFT) ); - - if ( count & 0x1 ) { - data[dwords-1] &= 0x0000ffff; - } - - do { - /* Emit the next set of up to three cliprects */ - if ( i < sarea_priv->nbox ) { - radeon_emit_clip_rect( dev_priv, - &sarea_priv->boxes[i] ); - } - - radeon_cp_dispatch_indirect( dev, buf, start, end ); - - i++; - } while ( i < sarea_priv->nbox ); - } - - if ( buf_priv->discard ) { - buf_priv->age = dev_priv->sarea_priv->last_dispatch; - - /* Emit the vertex buffer age */ - BEGIN_RING( 2 ); - RADEON_DISPATCH_AGE( buf_priv->age ); - ADVANCE_RING(); - - buf->pending = 1; - /* FIXME: Check dispatched field */ - buf_priv->dispatched = 0; - } - - dev_priv->sarea_priv->last_dispatch++; - - sarea_priv->dirty &= ~RADEON_UPLOAD_CLIPRECTS; - sarea_priv->nbox = 0; -} - -static int radeon_cp_dispatch_blit( drm_device_t *dev, - drm_radeon_blit_t *blit ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_radeon_buf_priv_t *buf_priv; - u32 format; - u32 *data; - int dword_shift, dwords; - RING_LOCALS; - DRM_DEBUG( "blit: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n", - blit->offset >> 10, blit->pitch, blit->format, - blit->x, blit->y, blit->width, blit->height ); - - radeon_update_ring_snapshot( dev_priv ); - - /* The compiler won't optimize away a division by a variable, - * even if the only legal values are powers of two. Thus, we'll - * use a shift instead. - */ - switch ( blit->format ) { - case RADEON_TXF_32BPP_ARGB8888: - case RADEON_TXF_32BPP_RGBA8888: - format = RADEON_COLOR_FORMAT_ARGB8888; - dword_shift = 0; - break; - case RADEON_TXF_16BPP_AI88: - case RADEON_TXF_16BPP_ARGB1555: - case RADEON_TXF_16BPP_RGB565: - case RADEON_TXF_16BPP_ARGB4444: - format = RADEON_COLOR_FORMAT_RGB565; - dword_shift = 1; - break; - case RADEON_TXF_8BPP_I: - case RADEON_TXF_8BPP_RGB332: - format = RADEON_COLOR_FORMAT_CI8; - dword_shift = 2; - break; - default: - DRM_ERROR( "invalid blit format %d\n", blit->format ); - return -EINVAL; - } - - /* Flush the pixel cache. This ensures no pixel data gets mixed - * up with the texture data from the host data blit, otherwise - * part of the texture image may be corrupted. - */ - BEGIN_RING( 4 ); - - RADEON_FLUSH_CACHE(); - RADEON_WAIT_UNTIL_IDLE(); - - ADVANCE_RING(); - - /* Dispatch the indirect buffer. - */ - buf = dma->buflist[blit->idx]; - buf_priv = buf->dev_private; - - if ( buf->pid != current->pid ) { - DRM_ERROR( "process %d using buffer owned by %d\n", - current->pid, buf->pid ); - return -EINVAL; - } - if ( buf->pending ) { - DRM_ERROR( "sending pending buffer %d\n", blit->idx ); - return -EINVAL; - } - - buf_priv->discard = 1; - - dwords = (blit->width * blit->height) >> dword_shift; - if ( !dwords ) dwords = 1; - - data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset); - - data[0] = CP_PACKET3( RADEON_CNTL_HOSTDATA_BLT, dwords + 6 ); - data[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL | - RADEON_GMC_BRUSH_NONE | - (format << 8) | - RADEON_GMC_SRC_DATATYPE_COLOR | - RADEON_ROP3_S | - RADEON_DP_SRC_SOURCE_HOST_DATA | - RADEON_GMC_CLR_CMP_CNTL_DIS | - RADEON_GMC_WR_MSK_DIS); - - data[2] = (blit->pitch << 22) | (blit->offset >> 10); - data[3] = 0xffffffff; - data[4] = 0xffffffff; - data[5] = (blit->y << 16) | blit->x; - data[6] = (blit->height << 16) | blit->width; - data[7] = dwords; - - buf->used = (dwords + 8) * sizeof(u32); - - radeon_cp_dispatch_indirect( dev, buf, 0, buf->used ); - - /* Flush the pixel cache after the blit completes. This ensures - * the texture data is written out to memory before rendering - * continues. - */ - BEGIN_RING( 4 ); - - RADEON_FLUSH_CACHE(); - RADEON_WAIT_UNTIL_2D_IDLE(); - - ADVANCE_RING(); - - return 0; -} - -static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - int i; - RING_LOCALS; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - radeon_update_ring_snapshot( dev_priv ); - - BEGIN_RING( 35 ); - - OUT_RING( CP_PACKET0( RADEON_RE_STIPPLE_ADDR, 0 ) ); - OUT_RING( 0x00000000 ); - - OUT_RING( CP_PACKET0_TABLE( RADEON_RE_STIPPLE_DATA, 31 ) ); - for ( i = 0 ; i < 32 ; i++ ) { - OUT_RING( stipple[i] ); - } - - ADVANCE_RING(); -} - - -/* ================================================================ - * IOCTL functions - */ - -int radeon_cp_clear( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_radeon_clear_t clear; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &clear, (drm_radeon_clear_t *) arg, - sizeof(clear) ) ) - return -EFAULT; - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - - if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) - sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - - radeon_cp_dispatch_clear( dev, &clear ); - - return 0; -} - -int radeon_cp_swap( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - - if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) - sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - - if ( !dev_priv->page_flipping ) { - radeon_cp_dispatch_swap( dev ); - dev_priv->sarea_priv->dirty |= (RADEON_UPLOAD_CONTEXT | - RADEON_UPLOAD_MASKS); - } else { - radeon_cp_dispatch_flip( dev ); - } - - return 0; -} - -int radeon_cp_vertex( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_radeon_buf_priv_t *buf_priv; - drm_radeon_vertex_t vertex; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - if ( !dev_priv || dev_priv->is_pci ) { - DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &vertex, (drm_radeon_vertex_t *)arg, - sizeof(vertex) ) ) - return -EFAULT; - - DRM_DEBUG( "%s: pid=%d index=%d count=%d discard=%d\n", - __FUNCTION__, current->pid, - vertex.idx, vertex.count, vertex.discard ); - - if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { - DRM_ERROR( "buffer index %d (of %d max)\n", - vertex.idx, dma->buf_count - 1 ); - return -EINVAL; - } - if ( vertex.prim < 0 || - vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { - DRM_ERROR( "buffer prim %d\n", vertex.prim ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - - buf = dma->buflist[vertex.idx]; - buf_priv = buf->dev_private; - - if ( buf->pid != current->pid ) { - DRM_ERROR( "process %d using buffer owned by %d\n", - current->pid, buf->pid ); - return -EINVAL; - } - if ( buf->pending ) { - DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); - return -EINVAL; - } - - buf->used = vertex.count; - buf_priv->prim = vertex.prim; - buf_priv->discard = vertex.discard; - - radeon_cp_dispatch_vertex( dev, buf ); - - return 0; -} - -int radeon_cp_indices( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_radeon_buf_priv_t *buf_priv; - drm_radeon_indices_t elts; - int count; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - if ( !dev_priv || dev_priv->is_pci ) { - DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &elts, (drm_radeon_indices_t *)arg, - sizeof(elts) ) ) - return -EFAULT; - - DRM_DEBUG( "%s: pid=%d index=%d start=%d end=%d discard=%d\n", - __FUNCTION__, current->pid, - elts.idx, elts.start, elts.end, elts.discard ); - - if ( elts.idx < 0 || elts.idx >= dma->buf_count ) { - DRM_ERROR( "buffer index %d (of %d max)\n", - elts.idx, dma->buf_count - 1 ); - return -EINVAL; - } - if ( elts.prim < 0 || - elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { - DRM_ERROR( "buffer prim %d\n", elts.prim ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - - buf = dma->buflist[elts.idx]; - buf_priv = buf->dev_private; - - if ( buf->pid != current->pid ) { - DRM_ERROR( "process %d using buffer owned by %d\n", - current->pid, buf->pid ); - return -EINVAL; - } - if ( buf->pending ) { - DRM_ERROR( "sending pending buffer %d\n", elts.idx ); - return -EINVAL; - } - - count = (elts.end - elts.start) / sizeof(u16); - elts.start -= RADEON_INDEX_PRIM_OFFSET; - - if ( elts.start & 0x7 ) { - DRM_ERROR( "misaligned buffer 0x%x\n", elts.start ); - return -EINVAL; - } - if ( elts.start < buf->used ) { - DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used ); - return -EINVAL; - } - - buf->used = elts.end; - buf_priv->prim = elts.prim; - buf_priv->discard = elts.discard; - - radeon_cp_dispatch_indices( dev, buf, elts.start, elts.end, count ); - - return 0; -} - -int radeon_cp_blit( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_radeon_blit_t blit; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &blit, (drm_radeon_blit_t *)arg, - sizeof(blit) ) ) - return -EFAULT; - - DRM_DEBUG( "%s: pid=%d index=%d\n", - __FUNCTION__, current->pid, blit.idx ); - - if ( blit.idx < 0 || blit.idx > dma->buf_count ) { - DRM_ERROR( "sending %d buffers (of %d max)\n", - blit.idx, dma->buf_count ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - - return radeon_cp_dispatch_blit( dev, &blit ); -} - -int radeon_cp_stipple( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_stipple_t stipple; - u32 mask[32]; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &stipple, (drm_radeon_stipple_t *)arg, - sizeof(stipple) ) ) - return -EFAULT; - - if ( copy_from_user( &mask, stipple.mask, - 32 * sizeof(u32) ) ) - return -EFAULT; - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - - radeon_cp_dispatch_stipple( dev, mask ); - - return 0; -} - -int radeon_cp_indirect( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_radeon_buf_priv_t *buf_priv; - drm_radeon_indirect_t indirect; - RING_LOCALS; - - if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || - dev->lock.pid != current->pid ) { - DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); - return -EINVAL; - } - if ( !dev_priv || dev_priv->is_pci ) { - DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); - return -EINVAL; - } - - if ( copy_from_user( &indirect, (drm_radeon_indirect_t *)arg, - sizeof(indirect) ) ) - return -EFAULT; - - DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n", - indirect.idx, indirect.start, - indirect.end, indirect.discard ); - - if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) { - DRM_ERROR( "buffer index %d (of %d max)\n", - indirect.idx, dma->buf_count - 1 ); - return -EINVAL; - } - - buf = dma->buflist[indirect.idx]; - buf_priv = buf->dev_private; - - if ( buf->pid != current->pid ) { - DRM_ERROR( "process %d using buffer owned by %d\n", - current->pid, buf->pid ); - return -EINVAL; - } - if ( buf->pending ) { - DRM_ERROR( "sending pending buffer %d\n", indirect.idx ); - return -EINVAL; - } - - if ( indirect.start < buf->used ) { - DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n", - indirect.start, buf->used ); - return -EINVAL; - } - - RING_SPACE_TEST_WITH_RETURN( dev_priv ); - VB_AGE_TEST_WITH_RETURN( dev_priv ); - - buf->used = indirect.end; - buf_priv->discard = indirect.discard; - - /* Wait for the 3D stream to idle before the indirect buffer - * containing 2D acceleration commands is processed. - */ - BEGIN_RING( 2 ); - - RADEON_WAIT_UNTIL_3D_IDLE(); - - ADVANCE_RING(); - - /* Dispatch the indirect buffer full of commands from the - * X server. This is insecure and is thus only available to - * privileged clients. - */ - radeon_cp_dispatch_indirect( dev, buf, indirect.start, indirect.end ); - - return 0; -} diff --git a/shared-core/drm.h b/shared-core/drm.h index dc3d262d..0e6a4b46 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -72,12 +72,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -345,17 +353,19 @@ typedef struct drm_agp_info { #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t) #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) -#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) - -/* I810 specific ioctls */ +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) + +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x45, drm_mga_iload_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x46, drm_mga_vertex_t) +#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x47, drm_mga_indices_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) + +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) diff --git a/shared/drm.h b/shared/drm.h index dc3d262d..0e6a4b46 100644 --- a/shared/drm.h +++ b/shared/drm.h @@ -72,12 +72,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -345,17 +353,19 @@ typedef struct drm_agp_info { #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t) #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) -#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) - -/* I810 specific ioctls */ +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) + +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x45, drm_mga_iload_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x46, drm_mga_vertex_t) +#define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x47, drm_mga_indices_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) + +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) |