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_clkgate_init {
  50         u32 addr;
  51         u8  count;
  52         u32 data;
  53 };
  54
  55 struct nvkm_therm_clkgate_pack {
  56         const struct nvkm_therm_clkgate_init *init;
  57 };
  58
  59 struct nvkm_therm {
  60         const struct nvkm_therm_func *func;
  61         struct nvkm_subdev subdev;
  62
  63         /* automatic thermal management */
  64         struct nvkm_alarm alarm;
  65         spinlock_t lock;
  66         struct nvbios_therm_trip_point *last_trip;
  67         int mode;
  68         int cstate;
  69         int suspend;
  70
  71         /* bios */
  72         struct nvbios_therm_sensor bios_sensor;
  73
  74         /* fan priv */
  75         struct nvkm_fan *fan;
  76
  77         /* alarms priv */
  78         struct {
  79                 spinlock_t alarm_program_lock;
  80                 struct nvkm_alarm therm_poll_alarm;
  81                 enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
  82         } sensor;
  83
  84         /* what should be done if the card overheats */
  85         struct {
  86                 void (*downclock)(struct nvkm_therm *, bool active);
  87                 void (*pause)(struct nvkm_therm *, bool active);
  88         } emergency;
  89
  90         /* ic */
  91         struct i2c_client *ic;
  92
  93         int (*fan_get)(struct nvkm_therm *);
  94         int (*fan_set)(struct nvkm_therm *, int);
  95
  96         int (*attr_get)(struct nvkm_therm *, enum nvkm_therm_attr_type);
  97         int (*attr_set)(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
  98
  99         bool clkgating_enabled;
 100 };
 101
 102 int nvkm_therm_temp_get(struct nvkm_therm *);
 103 int nvkm_therm_fan_sense(struct nvkm_therm *);
 104 int nvkm_therm_cstate(struct nvkm_therm *, int, int);
 105 void nvkm_therm_clkgate_init(struct nvkm_therm *,
 106                              const struct nvkm_therm_clkgate_pack *);
 107 void nvkm_therm_clkgate_enable(struct nvkm_therm *);
 108 void nvkm_therm_clkgate_fini(struct nvkm_therm *, bool);
 109
 110 int nv40_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 111 int nv50_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 112 int g84_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 113 int gt215_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 114 int gf119_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 115 int gk104_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 116 int gm107_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 117 int gm200_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 118 int gp100_therm_new(struct nvkm_device *, int, struct nvkm_therm **);
 119 #endif