/* SPDX-License-Identifier: MIT */ #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