[mirror_ubuntu-kernels.git] / drivers / gpu / drm / nouveau / include / nvkm / subdev / bios / therm.h

/* 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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
7d70e9c1 MP	2	#ifndef __NVBIOS_THERM_H__
7d70e9c1 MP	3	#define __NVBIOS_THERM_H__
7d70e9c1 MP	4	struct nvbios_therm_threshold {
	5	u8 temp;
	6	u8 hysteresis;
	7	};
	8
	9	struct nvbios_therm_sensor {
	10	/* diode */
	11	s16 slope_mult;
	12	s16 slope_div;
	13	s16 offset_num;
	14	s16 offset_den;
	15	s8 offset_constant;
	16
	17	/* thresholds */
	18	struct nvbios_therm_threshold thrs_fan_boost;
	19	struct nvbios_therm_threshold thrs_down_clock;
	20	struct nvbios_therm_threshold thrs_critical;
	21	struct nvbios_therm_threshold thrs_shutdown;
	22	};
	23
288c17bd MP	24	enum nvbios_therm_fan_type {
	25	NVBIOS_THERM_FAN_UNK = 0,
	26	NVBIOS_THERM_FAN_TOGGLE = 1,
	27	NVBIOS_THERM_FAN_PWM = 2,
	28	};
	29
06afd4e8	30	/* no vbios have more than 6 */
d390b480 BS	31	#define NVKM_TEMP_FAN_TRIP_MAX 10
d390b480 BS	32	struct nvbios_therm_trip_point {
06afd4e8 MP	33	int fan_duty;
	34	int temp;
	35	int hysteresis;
	36	};
	37
0e994d64 MP	38	enum nvbios_therm_fan_mode {
	39	NVBIOS_THERM_FAN_TRIP = 0,
	40	NVBIOS_THERM_FAN_LINEAR = 1,
	41	NVBIOS_THERM_FAN_OTHER = 2,
	42	};
	43
7d70e9c1	44	struct nvbios_therm_fan {
288c17bd MP	45	enum nvbios_therm_fan_type type;
	46
	47	u32 pwm_freq;
7d70e9c1 MP	48
	49	u8 min_duty;
	50	u8 max_duty;
06afd4e8 MP	51
	52	u16 bump_period;
	53	u16 slow_down_period;
	54
0e994d64	55	enum nvbios_therm_fan_mode fan_mode;
d390b480	56	struct nvbios_therm_trip_point trip[NVKM_TEMP_FAN_TRIP_MAX];
06afd4e8 MP	57	u8 nr_fan_trip;
	58	u8 linear_min_temp;
	59	u8 linear_max_temp;
7d70e9c1 MP	60	};
	61
	62	enum nvbios_therm_domain {
	63	NVBIOS_THERM_DOMAIN_CORE,
	64	NVBIOS_THERM_DOMAIN_AMBIENT,
	65	};
	66
	67	int
d390b480	68	nvbios_therm_sensor_parse(struct nvkm_bios *, enum nvbios_therm_domain,
7d70e9c1 MP	69	struct nvbios_therm_sensor *);
	70
	71	int
d390b480	72	nvbios_therm_fan_parse(struct nvkm_bios , struct nvbios_therm_fan );
7d70e9c1	73	#endif