drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h

   1 /* SPDX-License-Identifier: MIT */
   2 #ifndef __NVKM_BIOS_H__
   3 #define __NVKM_BIOS_H__
   4 #include <core/subdev.h>
   5
   6 struct nvkm_bios {
   7         struct nvkm_subdev subdev;
   8         u32 size;
   9         u8 *data;
  10
  11         u32 image0_size;
  12         u32 imaged_addr;
  13
  14         u32 bmp_offset;
  15         u32 bit_offset;
  16
  17         struct {
  18                 u8 major;
  19                 u8 chip;
  20                 u8 minor;
  21                 u8 micro;
  22                 u8 patch;
  23         } version;
  24 };
  25
  26 u8  nvbios_checksum(const u8 *data, int size);
  27 u16 nvbios_findstr(const u8 *data, int size, const char *str, int len);
  28 int nvbios_memcmp(struct nvkm_bios *, u32 addr, const char *, u32 len);
  29 u8  nvbios_rd08(struct nvkm_bios *, u32 addr);
  30 u16 nvbios_rd16(struct nvkm_bios *, u32 addr);
  31 u32 nvbios_rd32(struct nvkm_bios *, u32 addr);
  32
  33 int nvkm_bios_new(struct nvkm_device *, int, struct nvkm_bios **);
  34 #endif