diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h new file mode 100644 index 000000000000..295d093f3b30 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h @@ -0,0 +1,77 @@ +#ifndef __NVBIOS_THERM_H__ +#define __NVBIOS_THERM_H__ + +struct nouveau_bios; + +struct nvbios_therm_threshold { + u8 temp; + u8 hysteresis; +}; + +struct nvbios_therm_sensor { + /* diode */ + s16 slope_mult; + s16 slope_div; + s16 offset_num; + s16 offset_den; + s8 offset_constant; + + /* thresholds */ + struct nvbios_therm_threshold thrs_fan_boost; + struct nvbios_therm_threshold thrs_down_clock; + struct nvbios_therm_threshold thrs_critical; + struct nvbios_therm_threshold thrs_shutdown; +}; + +enum nvbios_therm_fan_type { + NVBIOS_THERM_FAN_UNK = 0, + NVBIOS_THERM_FAN_TOGGLE = 1, + NVBIOS_THERM_FAN_PWM = 2, +}; + +/* no vbios have more than 6 */ +#define NOUVEAU_TEMP_FAN_TRIP_MAX 10 +struct nouveau_therm_trip_point { + int fan_duty; + int temp; + int hysteresis; +}; + +enum nvbios_therm_fan_mode { + NVBIOS_THERM_FAN_TRIP = 0, + NVBIOS_THERM_FAN_LINEAR = 1, + NVBIOS_THERM_FAN_OTHER = 2, +}; + +struct nvbios_therm_fan { + enum nvbios_therm_fan_type type; + + u32 pwm_freq; + + u8 min_duty; + u8 max_duty; + + u16 bump_period; + u16 slow_down_period; + + enum nvbios_therm_fan_mode fan_mode; + struct nouveau_therm_trip_point trip[NOUVEAU_TEMP_FAN_TRIP_MAX]; + u8 nr_fan_trip; + u8 linear_min_temp; + u8 linear_max_temp; +}; + +enum nvbios_therm_domain { + NVBIOS_THERM_DOMAIN_CORE, + NVBIOS_THERM_DOMAIN_AMBIENT, +}; + +int +nvbios_therm_sensor_parse(struct nouveau_bios *, enum nvbios_therm_domain, + struct nvbios_therm_sensor *); + +int +nvbios_therm_fan_parse(struct nouveau_bios *, struct nvbios_therm_fan *); + + +#endif |