diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h new file mode 100644 index 000000000..0c9be1b2e --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVBIOS_VOLT_H__ +#define __NVBIOS_VOLT_H__ + +enum nvbios_volt_type { + NVBIOS_VOLT_GPIO = 0, + NVBIOS_VOLT_PWM, +}; + +struct nvbios_volt { + enum nvbios_volt_type type; + u32 min; + u32 max; + u32 base; + + /* GPIO mode */ + bool ranged; + u8 vidmask; + s16 step; + + /* PWM mode */ + u32 pwm_freq; + u32 pwm_range; +}; + +u32 nvbios_volt_table(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); +u32 nvbios_volt_parse(struct nvkm_bios *, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_volt *); + +struct nvbios_volt_entry { + u32 voltage; + u8 vid; +}; + +u32 nvbios_volt_entry(struct nvkm_bios *, int idx, u8 *ver, u8 *len); +u32 nvbios_volt_entry_parse(struct nvkm_bios *, int idx, u8 *ver, u8 *len, + struct nvbios_volt_entry *); +#endif |