diff options
Diffstat (limited to 'nvkm/subdev/bios/base.c')
| -rw-r--r-- | nvkm/subdev/bios/base.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/nvkm/subdev/bios/base.c b/nvkm/subdev/bios/base.c deleted file mode 100644 index 7df3a2735..000000000 --- a/nvkm/subdev/bios/base.c +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright 2012 Red Hat Inc. - * - * 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 - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs - */ - -#include <core/object.h> -#include <core/device.h> -#include <core/subdev.h> -#include <core/option.h> - -#include <subdev/bios.h> -#include <subdev/bios/bmp.h> -#include <subdev/bios/bit.h> - -#include "priv.h" - -u8 -nvbios_checksum(const u8 *data, int size) -{ - u8 sum = 0; - while (size--) - sum += *data++; - return sum; -} - -u16 -nvbios_findstr(const u8 *data, int size, const char *str, int len) -{ - int i, j; - - for (i = 0; i <= (size - len); i++) { - for (j = 0; j < len; j++) - if ((char)data[i + j] != str[j]) - break; - if (j == len) - return i; - } - - return 0; -} - -int -nvbios_extend(struct nouveau_bios *bios, u32 length) -{ - if (bios->size < length) { - u8 *prev = bios->data; - if (!(bios->data = kmalloc(length, GFP_KERNEL))) { - bios->data = prev; - return -ENOMEM; - } - memcpy(bios->data, prev, bios->size); - bios->size = length; - kfree(prev); - return 1; - } - return 0; -} - -static u8 -nouveau_bios_rd08(struct nouveau_object *object, u64 addr) -{ - struct nouveau_bios *bios = (void *)object; - return bios->data[addr]; -} - -static u16 -nouveau_bios_rd16(struct nouveau_object *object, u64 addr) -{ - struct nouveau_bios *bios = (void *)object; - return get_unaligned_le16(&bios->data[addr]); -} - -static u32 -nouveau_bios_rd32(struct nouveau_object *object, u64 addr) -{ - struct nouveau_bios *bios = (void *)object; - return get_unaligned_le32(&bios->data[addr]); -} - -static void -nouveau_bios_wr08(struct nouveau_object *object, u64 addr, u8 data) -{ - struct nouveau_bios *bios = (void *)object; - bios->data[addr] = data; -} - -static void -nouveau_bios_wr16(struct nouveau_object *object, u64 addr, u16 data) -{ - struct nouveau_bios *bios = (void *)object; - put_unaligned_le16(data, &bios->data[addr]); -} - -static void -nouveau_bios_wr32(struct nouveau_object *object, u64 addr, u32 data) -{ - struct nouveau_bios *bios = (void *)object; - put_unaligned_le32(data, &bios->data[addr]); -} - -static int -nouveau_bios_ctor(struct nouveau_object *parent, - struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nouveau_bios *bios; - struct bit_entry bit_i; - int ret; - - ret = nouveau_subdev_create(parent, engine, oclass, 0, - "VBIOS", "bios", &bios); - *pobject = nv_object(bios); - if (ret) - return ret; - - ret = nvbios_shadow(bios); - if (ret) - return ret; - - /* detect type of vbios we're dealing with */ - bios->bmp_offset = nvbios_findstr(bios->data, bios->size, - "\xff\x7f""NV\0", 5); - if (bios->bmp_offset) { - nv_info(bios, "BMP version %x.%x\n", - bmp_version(bios) >> 8, - bmp_version(bios) & 0xff); - } - - bios->bit_offset = nvbios_findstr(bios->data, bios->size, - "\xff\xb8""BIT", 5); - if (bios->bit_offset) - nv_info(bios, "BIT signature found\n"); - - /* determine the vbios version number */ - if (!bit_entry(bios, 'i', &bit_i) && bit_i.length >= 4) { - bios->version.major = nv_ro08(bios, bit_i.offset + 3); - bios->version.chip = nv_ro08(bios, bit_i.offset + 2); - bios->version.minor = nv_ro08(bios, bit_i.offset + 1); - bios->version.micro = nv_ro08(bios, bit_i.offset + 0); - bios->version.patch = nv_ro08(bios, bit_i.offset + 4); - } else - if (bmp_version(bios)) { - bios->version.major = nv_ro08(bios, bios->bmp_offset + 13); - bios->version.chip = nv_ro08(bios, bios->bmp_offset + 12); - bios->version.minor = nv_ro08(bios, bios->bmp_offset + 11); - bios->version.micro = nv_ro08(bios, bios->bmp_offset + 10); - } - - nv_info(bios, "version %02x.%02x.%02x.%02x.%02x\n", - bios->version.major, bios->version.chip, - bios->version.minor, bios->version.micro, bios->version.patch); - - return 0; -} - -static void -nouveau_bios_dtor(struct nouveau_object *object) -{ - struct nouveau_bios *bios = (void *)object; - kfree(bios->data); - nouveau_subdev_destroy(&bios->base); -} - -static int -nouveau_bios_init(struct nouveau_object *object) -{ - struct nouveau_bios *bios = (void *)object; - return nouveau_subdev_init(&bios->base); -} - -static int -nouveau_bios_fini(struct nouveau_object *object, bool suspend) -{ - struct nouveau_bios *bios = (void *)object; - return nouveau_subdev_fini(&bios->base, suspend); -} - -struct nouveau_oclass -nouveau_bios_oclass = { - .handle = NV_SUBDEV(VBIOS, 0x00), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nouveau_bios_ctor, - .dtor = nouveau_bios_dtor, - .init = nouveau_bios_init, - .fini = nouveau_bios_fini, - .rd08 = nouveau_bios_rd08, - .rd16 = nouveau_bios_rd16, - .rd32 = nouveau_bios_rd32, - .wr08 = nouveau_bios_wr08, - .wr16 = nouveau_bios_wr16, - .wr32 = nouveau_bios_wr32, - }, -}; |