1/* SPDX-License-Identifier: MIT */
2#ifndef __NVBIOS_THERM_H__
3#define __NVBIOS_THERM_H__
4struct nvbios_therm_threshold {
5	u8 temp;
6	u8 hysteresis;
7};
8
9struct 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
24enum nvbios_therm_fan_type {
25	NVBIOS_THERM_FAN_UNK = 0,
26	NVBIOS_THERM_FAN_TOGGLE = 1,
27	NVBIOS_THERM_FAN_PWM = 2,
28};
29
30/* no vbios have more than 6 */
31#define NVKM_TEMP_FAN_TRIP_MAX 10
32struct nvbios_therm_trip_point {
33	int fan_duty;
34	int temp;
35	int hysteresis;
36};
37
38enum nvbios_therm_fan_mode {
39	NVBIOS_THERM_FAN_TRIP = 0,
40	NVBIOS_THERM_FAN_LINEAR = 1,
41	NVBIOS_THERM_FAN_OTHER = 2,
42};
43
44struct nvbios_therm_fan {
45	enum nvbios_therm_fan_type type;
46
47	u32 pwm_freq;
48
49	u8 min_duty;
50	u8 max_duty;
51
52	u16 bump_period;
53	u16 slow_down_period;
54
55	enum nvbios_therm_fan_mode fan_mode;
56	struct nvbios_therm_trip_point trip[NVKM_TEMP_FAN_TRIP_MAX];
57	u8 nr_fan_trip;
58	u8 linear_min_temp;
59	u8 linear_max_temp;
60};
61
62enum nvbios_therm_domain {
63	NVBIOS_THERM_DOMAIN_CORE,
64	NVBIOS_THERM_DOMAIN_AMBIENT,
65};
66
67int
68nvbios_therm_sensor_parse(struct nvkm_bios *, enum nvbios_therm_domain,
69			  struct nvbios_therm_sensor *);
70
71int
72nvbios_therm_fan_parse(struct nvkm_bios *, struct nvbios_therm_fan *);
73#endif
74