drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_THERM_H__
   3 #define __NVKM_THERM_H__
   4 #include <core/subdev.h>
   5
   6 #include <subdev/bios.h>
   7 #include <subdev/bios/therm.h>
   8 #include <subdev/timer.h>
   9
  10 enum nvkm_therm_thrs_direction {
  11         NVKM_THERM_THRS_FALLING = 0,
  12         NVKM_THERM_THRS_RISING = 1
  13 };
  14
  15 enum nvkm_therm_thrs_state {
  16         NVKM_THERM_THRS_LOWER = 0,
  17         NVKM_THERM_THRS_HIGHER = 1
  18 };
  19
  20 enum nvkm_therm_thrs {
  21         NVKM_THERM_THRS_FANBOOST = 0,
  22         NVKM_THERM_THRS_DOWNCLOCK = 1,
  23         NVKM_THERM_THRS_CRITICAL = 2,
  24         NVKM_THERM_THRS_SHUTDOWN = 3,
  25         NVKM_THERM_THRS_NR
  26 };
  27
  28 enum nvkm_therm_fan_mode {
  29         NVKM_THERM_CTRL_NONE = 0,
  30         NVKM_THERM_CTRL_MANUAL = 1,
  31         NVKM_THERM_CTRL_AUTO = 2,
  32 };
  33
  34 enum nvkm_therm_attr_type {
  35         NVKM_THERM_ATTR_FAN_MIN_DUTY = 0,
  36         NVKM_THERM_ATTR_FAN_MAX_DUTY = 1,
  37         NVKM_THERM_ATTR_FAN_MODE = 2,
  38
  39         NVKM_THERM_ATTR_THRS_FAN_BOOST = 10,
  40         NVKM_THERM_ATTR_THRS_FAN_BOOST_HYST = 11,
  41         NVKM_THERM_ATTR_THRS_DOWN_CLK = 12,
  42         NVKM_THERM_ATTR_THRS_DOWN_CLK_HYST = 13,
  43         NVKM_THERM_ATTR_THRS_CRITICAL = 14,
  44         NVKM_THERM_ATTR_THRS_CRITICAL_HYST = 15,
  45         NVKM_THERM_ATTR_THRS_SHUTDOWN = 16,
  46         NVKM_THERM_ATTR_THRS_SHUTDOWN_HYST = 17,
  47 };
  48
  49 struct nvkm_therm {
  50         const struct nvkm_therm_func *func;
  51         struct nvkm_subdev subdev;
  52
  53         /* automatic thermal management */
  54         struct nvkm_alarm alarm;
  55         spinlock_t lock;
  56         struct nvbios_therm_trip_point *last_trip;
  57         int mode;
  58         int cstate;
  59         int suspend;
  60
  61         /* bios */
  62         struct nvbios_therm_sensor bios_sensor;
  63
  64         /* fan priv */
  65         struct nvkm_fan *fan;
  66
  67         /* alarms priv */
  68         struct {
  69                 spinlock_t alarm_program_lock;
  70                 struct nvkm_alarm therm_poll_alarm;
  71                 enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
  72         } sensor;
  73
  74         /* what should be done if the card overheats */
  75         struct {
  76                 void (*downclock)(struct nvkm_therm *, bool active);
  77                 void (*pause)(struct nvkm_therm *, bool active);
  78         } emergency;
  79
  80         /* ic */
  81         struct i2c_client *ic;
  82
  83         int (*fan_get)(struct nvkm_therm *);
  84         int (*fan_set)(struct nvkm_therm *, int);
  85
  86         int (*attr_get)(struct nvkm_therm *, enum nvkm_therm_attr_type);
  87         int (*attr_set)(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
  88 };
  89
  90 int nvkm_therm_temp_get(struct nvkm_therm *);
  91 int nvkm_therm_fan_sense(struct nvkm_therm *);
  92 int nvkm_therm_cstate(struct nvkm_therm *, int, int);
  93
  94 int nv40_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  95 int nv50_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  96 int g84_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  97 int gt215_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  98 int gf119_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
  99 int gm107_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 100 int gm200_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 101 #endif