diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h | |
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h new file mode 100644 index 00000000..10e4dbca --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/bmp.h @@ -0,0 +1,39 @@ +#ifndef __NVBIOS_BMP_H__ +#define __NVBIOS_BMP_H__ + +static inline u16 +bmp_version(struct nouveau_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 nouveau_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 nouveau_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 nouveau_bios *bios) +{ + if (bmp_version(bios) >= 0x0300) + return nv_ro16(bios, bios->bmp_offset + 28); + return 0x0000; +} + +#endif |