1 files changed, 159 insertions, 0 deletions
diff --git a/drm/nouveau/include/nvkm/subdev/fb.h b/drm/nouveau/include/nvkm/subdev/fb.h
new file mode 100644
index 000000000..889603fbb
--- /dev/null
+++ b/drm/nouveau/include/nvkm/subdev/fb.h
@@ -0,0 +1,159 @@
+#ifndef __NOUVEAU_FB_H__
+#define __NOUVEAU_FB_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+#include <core/mm.h>
+
+#include <subdev/vm.h>
+
+/* memory type/access flags, do not match hardware values */
+#define NV_MEM_ACCESS_RO  1
+#define NV_MEM_ACCESS_WO  2
+#define NV_MEM_ACCESS_RW (NV_MEM_ACCESS_RO | NV_MEM_ACCESS_WO)
+#define NV_MEM_ACCESS_SYS 4
+#define NV_MEM_ACCESS_VM  8
+#define NV_MEM_ACCESS_NOSNOOP 16
+
+#define NV_MEM_TARGET_VRAM        0
+#define NV_MEM_TARGET_PCI         1
+#define NV_MEM_TARGET_PCI_NOSNOOP 2
+#define NV_MEM_TARGET_VM          3
+#define NV_MEM_TARGET_GART        4
+
+#define NV_MEM_TYPE_VM 0x7f
+#define NV_MEM_COMP_VM 0x03
+
+struct nouveau_mem {
+	struct drm_device *dev;
+
+	struct nouveau_vma bar_vma;
+	struct nouveau_vma vma[2];
+	u8  page_shift;
+
+	struct nouveau_mm_node *tag;
+	struct list_head regions;
+	dma_addr_t *pages;
+	u32 memtype;
+	u64 offset;
+	u64 size;
+	struct sg_table *sg;
+};
+
+struct nouveau_fb_tile {
+	struct nouveau_mm_node *tag;
+	u32 addr;
+	u32 limit;
+	u32 pitch;
+	u32 zcomp;
+};
+
+struct nouveau_fb {
+	struct nouveau_subdev base;
+
+	bool (*memtype_valid)(struct nouveau_fb *, u32 memtype);
+
+	struct nouveau_ram *ram;
+
+	struct nouveau_mm vram;
+	struct nouveau_mm tags;
+
+	struct {
+		struct nouveau_fb_tile region[16];
+		int regions;
+		void (*init)(struct nouveau_fb *, int i, u32 addr, u32 size,
+			     u32 pitch, u32 flags, struct nouveau_fb_tile *);
+		void (*comp)(struct nouveau_fb *, int i, u32 size, u32 flags,
+			     struct nouveau_fb_tile *);
+		void (*fini)(struct nouveau_fb *, int i,
+			     struct nouveau_fb_tile *);
+		void (*prog)(struct nouveau_fb *, int i,
+			     struct nouveau_fb_tile *);
+	} tile;
+};
+
+static inline struct nouveau_fb *
+nouveau_fb(void *obj)
+{
+	/* fbram uses this before device subdev pointer is valid */
+	if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
+	    nv_subidx(obj) == NVDEV_SUBDEV_FB)
+		return obj;
+
+	return (void *)nouveau_subdev(obj, NVDEV_SUBDEV_FB);
+}
+
+extern struct nouveau_oclass *nv04_fb_oclass;
+extern struct nouveau_oclass *nv10_fb_oclass;
+extern struct nouveau_oclass *nv1a_fb_oclass;
+extern struct nouveau_oclass *nv20_fb_oclass;
+extern struct nouveau_oclass *nv25_fb_oclass;
+extern struct nouveau_oclass *nv30_fb_oclass;
+extern struct nouveau_oclass *nv35_fb_oclass;
+extern struct nouveau_oclass *nv36_fb_oclass;
+extern struct nouveau_oclass *nv40_fb_oclass;
+extern struct nouveau_oclass *nv41_fb_oclass;
+extern struct nouveau_oclass *nv44_fb_oclass;
+extern struct nouveau_oclass *nv46_fb_oclass;
+extern struct nouveau_oclass *nv47_fb_oclass;
+extern struct nouveau_oclass *nv49_fb_oclass;
+extern struct nouveau_oclass *nv4e_fb_oclass;
+extern struct nouveau_oclass *nv50_fb_oclass;
+extern struct nouveau_oclass *nv84_fb_oclass;
+extern struct nouveau_oclass *nva3_fb_oclass;
+extern struct nouveau_oclass *nvaa_fb_oclass;
+extern struct nouveau_oclass *nvaf_fb_oclass;
+extern struct nouveau_oclass *nvc0_fb_oclass;
+extern struct nouveau_oclass *nve0_fb_oclass;
+extern struct nouveau_oclass *gk20a_fb_oclass;
+extern struct nouveau_oclass *gm107_fb_oclass;
+
+#include <subdev/bios/ramcfg.h>
+
+struct nouveau_ram_data {
+	struct list_head head;
+	struct nvbios_ramcfg bios;
+	u32 freq;
+};
+
+struct nouveau_ram {
+	struct nouveau_object base;
+	enum {
+		NV_MEM_TYPE_UNKNOWN = 0,
+		NV_MEM_TYPE_STOLEN,
+		NV_MEM_TYPE_SGRAM,
+		NV_MEM_TYPE_SDRAM,
+		NV_MEM_TYPE_DDR1,
+		NV_MEM_TYPE_DDR2,
+		NV_MEM_TYPE_DDR3,
+		NV_MEM_TYPE_GDDR2,
+		NV_MEM_TYPE_GDDR3,
+		NV_MEM_TYPE_GDDR4,
+		NV_MEM_TYPE_GDDR5
+	} type;
+	u64 stolen;
+	u64 size;
+	u32 tags;
+
+	int ranks;
+	int parts;
+	int part_mask;
+
+	int  (*get)(struct nouveau_fb *, u64 size, u32 align,
+		    u32 size_nc, u32 type, struct nouveau_mem **);
+	void (*put)(struct nouveau_fb *, struct nouveau_mem **);
+
+	int  (*calc)(struct nouveau_fb *, u32 freq);
+	int  (*prog)(struct nouveau_fb *);
+	void (*tidy)(struct nouveau_fb *);
+	u32 freq;
+	u32 mr[16];
+	u32 mr1_nuts;
+
+	struct nouveau_ram_data *next;
+	struct nouveau_ram_data former;
+	struct nouveau_ram_data xition;
+	struct nouveau_ram_data target;
+};
+
+#endif