| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __NVBIOS_THERM_H__ |
| #define __NVBIOS_THERM_H__ |
| 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 NVKM_TEMP_FAN_TRIP_MAX 10 |
| struct nvbios_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 nvbios_therm_trip_point trip[NVKM_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 nvkm_bios *, enum nvbios_therm_domain, |
| struct nvbios_therm_sensor *); |
| |
| int |
| nvbios_therm_fan_parse(struct nvkm_bios *, struct nvbios_therm_fan *); |
| #endif |
