Release 4.9 drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h
#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
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