drivers/gpu/drm/nouveau/core/subdev/therm/priv.h

   1 #ifndef __NVTHERM_PRIV_H__
   2 #define __NVTHERM_PRIV_H__
   3
   4 /*
   5  * Copyright 2012 The Nouveau community
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors: Martin Peres
  26  */
  27
  28 #include <subdev/therm.h>
  29
  30 #include <subdev/bios/extdev.h>
  31 #include <subdev/bios/gpio.h>
  32 #include <subdev/bios/perf.h>
  33 #include <subdev/bios/therm.h>
  34 #include <subdev/timer.h>
  35
  36 struct nouveau_fan {
  37         struct nouveau_therm *parent;
  38         const char *type;
  39
  40         struct nvbios_therm_fan bios;
  41         struct nvbios_perf_fan perf;
  42
  43         struct nouveau_alarm alarm;
  44         spinlock_t lock;
  45         int percent;
  46
  47         int (*get)(struct nouveau_therm *therm);
  48         int (*set)(struct nouveau_therm *therm, int percent);
  49
  50         struct dcb_gpio_func tach;
  51 };
  52
  53 enum nouveau_therm_thrs_direction {
  54         NOUVEAU_THERM_THRS_FALLING = 0,
  55         NOUVEAU_THERM_THRS_RISING = 1
  56 };
  57
  58 enum nouveau_therm_thrs_state {
  59         NOUVEAU_THERM_THRS_LOWER = 0,
  60         NOUVEAU_THERM_THRS_HIGHER = 1
  61 };
  62
  63 enum nouveau_therm_thrs {
  64         NOUVEAU_THERM_THRS_FANBOOST = 0,
  65         NOUVEAU_THERM_THRS_DOWNCLOCK = 1,
  66         NOUVEAU_THERM_THRS_CRITICAL = 2,
  67         NOUVEAU_THERM_THRS_SHUTDOWN = 3,
  68         NOUVEAU_THERM_THRS_NR
  69 };
  70
  71 struct nouveau_therm_priv {
  72         struct nouveau_therm base;
  73
  74         /* automatic thermal management */
  75         struct nouveau_alarm alarm;
  76         spinlock_t lock;
  77         struct nouveau_therm_trip_point *last_trip;
  78         int mode;
  79         int suspend;
  80
  81         /* bios */
  82         struct nvbios_therm_sensor bios_sensor;
  83
  84         /* fan priv */
  85         struct nouveau_fan *fan;
  86
  87         /* alarms priv */
  88         struct {
  89                 spinlock_t alarm_program_lock;
  90                 struct nouveau_alarm therm_poll_alarm;
  91                 enum nouveau_therm_thrs_state alarm_state[NOUVEAU_THERM_THRS_NR];
  92                 void (*program_alarms)(struct nouveau_therm *);
  93         } sensor;
  94
  95         /* what should be done if the card overheats */
  96         struct {
  97                 void (*downclock)(struct nouveau_therm *, bool active);
  98                 void (*pause)(struct nouveau_therm *, bool active);
  99         } emergency;
 100
 101         /* ic */
 102         struct i2c_client *ic;
 103 };
 104
 105 int nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode);
 106 int nouveau_therm_attr_get(struct nouveau_therm *therm,
 107                        enum nouveau_therm_attr_type type);
 108 int nouveau_therm_attr_set(struct nouveau_therm *therm,
 109                        enum nouveau_therm_attr_type type, int value);
 110
 111 void nouveau_therm_ic_ctor(struct nouveau_therm *therm);
 112
 113 int nouveau_therm_sensor_ctor(struct nouveau_therm *therm);
 114
 115 int nouveau_therm_fan_ctor(struct nouveau_therm *therm);
 116 int nouveau_therm_fan_get(struct nouveau_therm *therm);
 117 int nouveau_therm_fan_set(struct nouveau_therm *therm, bool now, int percent);
 118 int nouveau_therm_fan_user_get(struct nouveau_therm *therm);
 119 int nouveau_therm_fan_user_set(struct nouveau_therm *therm, int percent);
 120
 121 int nouveau_therm_fan_sense(struct nouveau_therm *therm);
 122
 123 int nouveau_therm_preinit(struct nouveau_therm *);
 124
 125 void nouveau_therm_sensor_preinit(struct nouveau_therm *);
 126 void nouveau_therm_sensor_set_threshold_state(struct nouveau_therm *therm,
 127                                              enum nouveau_therm_thrs thrs,
 128                                              enum nouveau_therm_thrs_state st);
 129 enum nouveau_therm_thrs_state
 130 nouveau_therm_sensor_get_threshold_state(struct nouveau_therm *therm,
 131                                          enum nouveau_therm_thrs thrs);
 132 void nouveau_therm_sensor_event(struct nouveau_therm *therm,
 133                                 enum nouveau_therm_thrs thrs,
 134                                 enum nouveau_therm_thrs_direction dir);
 135 void nouveau_therm_program_alarms_polling(struct nouveau_therm *therm);
 136
 137 int nv50_fan_pwm_ctrl(struct nouveau_therm *, int, bool);
 138 int nv50_fan_pwm_get(struct nouveau_therm *, int, u32 *, u32 *);
 139 int nv50_fan_pwm_set(struct nouveau_therm *, int, u32, u32);
 140 int nv50_fan_pwm_clock(struct nouveau_therm *);
 141 int nv50_temp_get(struct nouveau_therm *therm);
 142
 143 int nva3_therm_fan_sense(struct nouveau_therm *);
 144
 145 int nouveau_fanpwm_create(struct nouveau_therm *, struct dcb_gpio_func *);
 146 int nouveau_fantog_create(struct nouveau_therm *, struct dcb_gpio_func *);
 147 int nouveau_fannil_create(struct nouveau_therm *);
 148
 149 #endif