1
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
11 s16 slope_mult;
12 s16 slope_div;
13 s16 offset_num;
14 s16 offset_den;
15 s8 offset_constant;
16
17
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
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
