74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
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/* SPDX-License-Identifier: MIT */
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#ifndef __NVBIOS_THERM_H__
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#define __NVBIOS_THERM_H__
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struct nvbios_therm_threshold {
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u8 temp;
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u8 hysteresis;
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};
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struct nvbios_therm_sensor {
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/* diode */
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s16 slope_mult;
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s16 slope_div;
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s16 offset_num;
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s16 offset_den;
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s8 offset_constant;
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/* thresholds */
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struct nvbios_therm_threshold thrs_fan_boost;
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struct nvbios_therm_threshold thrs_down_clock;
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struct nvbios_therm_threshold thrs_critical;
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struct nvbios_therm_threshold thrs_shutdown;
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};
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enum nvbios_therm_fan_type {
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NVBIOS_THERM_FAN_UNK = 0,
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NVBIOS_THERM_FAN_TOGGLE = 1,
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NVBIOS_THERM_FAN_PWM = 2,
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};
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/* no vbios have more than 6 */
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#define NVKM_TEMP_FAN_TRIP_MAX 10
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struct nvbios_therm_trip_point {
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int fan_duty;
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int temp;
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int hysteresis;
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};
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enum nvbios_therm_fan_mode {
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NVBIOS_THERM_FAN_TRIP = 0,
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NVBIOS_THERM_FAN_LINEAR = 1,
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NVBIOS_THERM_FAN_OTHER = 2,
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};
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struct nvbios_therm_fan {
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enum nvbios_therm_fan_type type;
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u32 pwm_freq;
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u8 min_duty;
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u8 max_duty;
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u16 bump_period;
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u16 slow_down_period;
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enum nvbios_therm_fan_mode fan_mode;
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struct nvbios_therm_trip_point trip[NVKM_TEMP_FAN_TRIP_MAX];
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u8 nr_fan_trip;
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u8 linear_min_temp;
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u8 linear_max_temp;
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};
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enum nvbios_therm_domain {
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NVBIOS_THERM_DOMAIN_CORE,
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NVBIOS_THERM_DOMAIN_AMBIENT,
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};
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int
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nvbios_therm_sensor_parse(struct nvkm_bios *, enum nvbios_therm_domain,
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struct nvbios_therm_sensor *);
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int
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nvbios_therm_fan_parse(struct nvkm_bios *, struct nvbios_therm_fan *);
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#endif
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