diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h new file mode 100644 index 000000000000..4107aa546a21 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h @@ -0,0 +1,37 @@ +#ifndef __NVBIOS_BMP_H__ +#define __NVBIOS_BMP_H__ +static inline u16 +bmp_version(struct nvkm_bios *bios) +{ + if (bios->bmp_offset) { + return nv_ro08(bios, bios->bmp_offset + 5) << 8 | + nv_ro08(bios, bios->bmp_offset + 6); + } + + return 0x0000; +} + +static inline u16 +bmp_mem_init_table(struct nvkm_bios *bios) +{ + if (bmp_version(bios) >= 0x0300) + return nv_ro16(bios, bios->bmp_offset + 24); + return 0x0000; +} + +static inline u16 +bmp_sdr_seq_table(struct nvkm_bios *bios) +{ + if (bmp_version(bios) >= 0x0300) + return nv_ro16(bios, bios->bmp_offset + 26); + return 0x0000; +} + +static inline u16 +bmp_ddr_seq_table(struct nvkm_bios *bios) +{ + if (bmp_version(bios) >= 0x0300) + return nv_ro16(bios, bios->bmp_offset + 28); + return 0x0000; +} +#endif |