Release 4.11 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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Directory: drivers/gpu/drm/nouveau/include/nvkm/subdev/bios

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