kernel/drivers/gpu/drm/nouveau/nvkm/subdev/therm/priv.h

   1 #ifndef __NVTHERM_PRIV_H__
   2 #define __NVTHERM_PRIV_H__
   3 /*
   4  * Copyright 2012 The Nouveau community
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Martin Peres
  25  */
  26 #include <subdev/therm.h>
  27 #include <subdev/bios.h>
  28 #include <subdev/bios/extdev.h>
  29 #include <subdev/bios/gpio.h>
  30 #include <subdev/bios/perf.h>
  31 #include <subdev/bios/therm.h>
  32 #include <subdev/timer.h>
  33
  34 struct nvkm_fan {
  35         struct nvkm_therm *parent;
  36         const char *type;
  37
  38         struct nvbios_therm_fan bios;
  39         struct nvbios_perf_fan perf;
  40
  41         struct nvkm_alarm alarm;
  42         spinlock_t lock;
  43         int percent;
  44
  45         int (*get)(struct nvkm_therm *);
  46         int (*set)(struct nvkm_therm *, int percent);
  47
  48         struct dcb_gpio_func tach;
  49 };
  50
  51 enum nvkm_therm_thrs_direction {
  52         NVKM_THERM_THRS_FALLING = 0,
  53         NVKM_THERM_THRS_RISING = 1
  54 };
  55
  56 enum nvkm_therm_thrs_state {
  57         NVKM_THERM_THRS_LOWER = 0,
  58         NVKM_THERM_THRS_HIGHER = 1
  59 };
  60
  61 enum nvkm_therm_thrs {
  62         NVKM_THERM_THRS_FANBOOST = 0,
  63         NVKM_THERM_THRS_DOWNCLOCK = 1,
  64         NVKM_THERM_THRS_CRITICAL = 2,
  65         NVKM_THERM_THRS_SHUTDOWN = 3,
  66         NVKM_THERM_THRS_NR
  67 };
  68
  69 struct nvkm_therm_priv {
  70         struct nvkm_therm base;
  71
  72         /* automatic thermal management */
  73         struct nvkm_alarm alarm;
  74         spinlock_t lock;
  75         struct nvbios_therm_trip_point *last_trip;
  76         int mode;
  77         int cstate;
  78         int suspend;
  79
  80         /* bios */
  81         struct nvbios_therm_sensor bios_sensor;
  82
  83         /* fan priv */
  84         struct nvkm_fan *fan;
  85
  86         /* alarms priv */
  87         struct {
  88                 spinlock_t alarm_program_lock;
  89                 struct nvkm_alarm therm_poll_alarm;
  90                 enum nvkm_therm_thrs_state alarm_state[NVKM_THERM_THRS_NR];
  91                 void (*program_alarms)(struct nvkm_therm *);
  92         } sensor;
  93
  94         /* what should be done if the card overheats */
  95         struct {
  96                 void (*downclock)(struct nvkm_therm *, bool active);
  97                 void (*pause)(struct nvkm_therm *, bool active);
  98         } emergency;
  99
 100         /* ic */
 101         struct i2c_client *ic;
 102 };
 103
 104 int nvkm_therm_fan_mode(struct nvkm_therm *, int mode);
 105 int nvkm_therm_attr_get(struct nvkm_therm *, enum nvkm_therm_attr_type);
 106 int nvkm_therm_attr_set(struct nvkm_therm *, enum nvkm_therm_attr_type, int);
 107
 108 void nvkm_therm_ic_ctor(struct nvkm_therm *);
 109
 110 int nvkm_therm_sensor_ctor(struct nvkm_therm *);
 111
 112 int nvkm_therm_fan_ctor(struct nvkm_therm *);
 113 int nvkm_therm_fan_init(struct nvkm_therm *);
 114 int nvkm_therm_fan_fini(struct nvkm_therm *, bool suspend);
 115 int nvkm_therm_fan_get(struct nvkm_therm *);
 116 int nvkm_therm_fan_set(struct nvkm_therm *, bool now, int percent);
 117 int nvkm_therm_fan_user_get(struct nvkm_therm *);
 118 int nvkm_therm_fan_user_set(struct nvkm_therm *, int percent);
 119
 120 int nvkm_therm_fan_sense(struct nvkm_therm *);
 121
 122 int nvkm_therm_preinit(struct nvkm_therm *);
 123
 124 int  nvkm_therm_sensor_init(struct nvkm_therm *);
 125 int  nvkm_therm_sensor_fini(struct nvkm_therm *, bool suspend);
 126 void nvkm_therm_sensor_preinit(struct nvkm_therm *);
 127 void nvkm_therm_sensor_set_threshold_state(struct nvkm_therm *,
 128                                            enum nvkm_therm_thrs,
 129                                            enum nvkm_therm_thrs_state);
 130 enum nvkm_therm_thrs_state
 131 nvkm_therm_sensor_get_threshold_state(struct nvkm_therm *,
 132                                       enum nvkm_therm_thrs);
 133 void nvkm_therm_sensor_event(struct nvkm_therm *, enum nvkm_therm_thrs,
 134                              enum nvkm_therm_thrs_direction);
 135 void nvkm_therm_program_alarms_polling(struct nvkm_therm *);
 136
 137 void nv40_therm_intr(struct nvkm_subdev *);
 138 int  nv50_fan_pwm_ctrl(struct nvkm_therm *, int, bool);
 139 int  nv50_fan_pwm_get(struct nvkm_therm *, int, u32 *, u32 *);
 140 int  nv50_fan_pwm_set(struct nvkm_therm *, int, u32, u32);
 141 int  nv50_fan_pwm_clock(struct nvkm_therm *, int);
 142 int  g84_temp_get(struct nvkm_therm *);
 143 void g84_sensor_setup(struct nvkm_therm *);
 144 int  g84_therm_fini(struct nvkm_object *, bool suspend);
 145
 146 int gt215_therm_fan_sense(struct nvkm_therm *);
 147
 148 int gf110_therm_init(struct nvkm_object *);
 149
 150 int nvkm_fanpwm_create(struct nvkm_therm *, struct dcb_gpio_func *);
 151 int nvkm_fantog_create(struct nvkm_therm *, struct dcb_gpio_func *);
 152 int nvkm_fannil_create(struct nvkm_therm *);
 153 #endif