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203d3d4a ZR |
1 | /* |
2 | * thermal.h ($Revision: 0 $) | |
3 | * | |
4 | * Copyright (C) 2008 Intel Corp | |
5 | * Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com> | |
6 | * Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com> | |
7 | * | |
8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License along | |
19 | * with this program; if not, write to the Free Software Foundation, Inc., | |
20 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
21 | * | |
22 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
23 | */ | |
24 | ||
25 | #ifndef __THERMAL_H__ | |
26 | #define __THERMAL_H__ | |
27 | ||
a116b5d4 | 28 | #include <linux/of.h> |
203d3d4a ZR |
29 | #include <linux/idr.h> |
30 | #include <linux/device.h> | |
b1569e99 | 31 | #include <linux/workqueue.h> |
af6c9f16 | 32 | #include <uapi/linux/thermal.h> |
203d3d4a | 33 | |
23064088 D |
34 | #define THERMAL_TRIPS_NONE -1 |
35 | #define THERMAL_MAX_TRIPS 12 | |
23064088 | 36 | |
57df8106 ZR |
37 | /* invalid cooling state */ |
38 | #define THERMAL_CSTATE_INVALID -1UL | |
39 | ||
23064088 | 40 | /* No upper/lower limit requirement */ |
a940cb34 | 41 | #define THERMAL_NO_LIMIT ((u32)~0) |
23064088 | 42 | |
6cd9e9f6 KS |
43 | /* Default weight of a bound cooling device */ |
44 | #define THERMAL_WEIGHT_DEFAULT 0 | |
45 | ||
23064088 | 46 | /* Unit conversion macros */ |
e866a2e3 RV |
47 | #define DECI_KELVIN_TO_CELSIUS(t) ({ \ |
48 | long _t = (t); \ | |
49 | ((_t-2732 >= 0) ? (_t-2732+5)/10 : (_t-2732-5)/10); \ | |
50 | }) | |
51 | #define CELSIUS_TO_DECI_KELVIN(t) ((t)*10+2732) | |
7b83fd9d AL |
52 | #define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100) |
53 | #define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732) | |
77e337c6 AL |
54 | #define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off)) |
55 | #define MILLICELSIUS_TO_DECI_KELVIN(t) MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, 2732) | |
23064088 | 56 | |
1f53ef17 ZR |
57 | /* Default Thermal Governor */ |
58 | #if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE) | |
59 | #define DEFAULT_THERMAL_GOVERNOR "step_wise" | |
60 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE) | |
61 | #define DEFAULT_THERMAL_GOVERNOR "fair_share" | |
62 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE) | |
63 | #define DEFAULT_THERMAL_GOVERNOR "user_space" | |
6b775e87 JM |
64 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR) |
65 | #define DEFAULT_THERMAL_GOVERNOR "power_allocator" | |
1f53ef17 | 66 | #endif |
a4a15485 | 67 | |
203d3d4a ZR |
68 | struct thermal_zone_device; |
69 | struct thermal_cooling_device; | |
35b11d2e | 70 | struct thermal_instance; |
203d3d4a | 71 | |
6503e5df MG |
72 | enum thermal_device_mode { |
73 | THERMAL_DEVICE_DISABLED = 0, | |
74 | THERMAL_DEVICE_ENABLED, | |
75 | }; | |
76 | ||
77 | enum thermal_trip_type { | |
78 | THERMAL_TRIP_ACTIVE = 0, | |
79 | THERMAL_TRIP_PASSIVE, | |
80 | THERMAL_TRIP_HOT, | |
81 | THERMAL_TRIP_CRITICAL, | |
82 | }; | |
83 | ||
601f3d42 ZR |
84 | enum thermal_trend { |
85 | THERMAL_TREND_STABLE, /* temperature is stable */ | |
86 | THERMAL_TREND_RAISING, /* temperature is raising */ | |
87 | THERMAL_TREND_DROPPING, /* temperature is dropping */ | |
d069015e ZR |
88 | THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */ |
89 | THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */ | |
601f3d42 ZR |
90 | }; |
91 | ||
203d3d4a ZR |
92 | struct thermal_zone_device_ops { |
93 | int (*bind) (struct thermal_zone_device *, | |
94 | struct thermal_cooling_device *); | |
95 | int (*unbind) (struct thermal_zone_device *, | |
96 | struct thermal_cooling_device *); | |
17e8351a | 97 | int (*get_temp) (struct thermal_zone_device *, int *); |
6503e5df MG |
98 | int (*get_mode) (struct thermal_zone_device *, |
99 | enum thermal_device_mode *); | |
100 | int (*set_mode) (struct thermal_zone_device *, | |
101 | enum thermal_device_mode); | |
102 | int (*get_trip_type) (struct thermal_zone_device *, int, | |
103 | enum thermal_trip_type *); | |
17e8351a SH |
104 | int (*get_trip_temp) (struct thermal_zone_device *, int, int *); |
105 | int (*set_trip_temp) (struct thermal_zone_device *, int, int); | |
106 | int (*get_trip_hyst) (struct thermal_zone_device *, int, int *); | |
107 | int (*set_trip_hyst) (struct thermal_zone_device *, int, int); | |
108 | int (*get_crit_temp) (struct thermal_zone_device *, int *); | |
109 | int (*set_emul_temp) (struct thermal_zone_device *, int); | |
601f3d42 ZR |
110 | int (*get_trend) (struct thermal_zone_device *, int, |
111 | enum thermal_trend *); | |
b1569e99 MG |
112 | int (*notify) (struct thermal_zone_device *, int, |
113 | enum thermal_trip_type); | |
203d3d4a ZR |
114 | }; |
115 | ||
116 | struct thermal_cooling_device_ops { | |
6503e5df MG |
117 | int (*get_max_state) (struct thermal_cooling_device *, unsigned long *); |
118 | int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *); | |
119 | int (*set_cur_state) (struct thermal_cooling_device *, unsigned long); | |
35b11d2e JM |
120 | int (*get_requested_power)(struct thermal_cooling_device *, |
121 | struct thermal_zone_device *, u32 *); | |
122 | int (*state2power)(struct thermal_cooling_device *, | |
123 | struct thermal_zone_device *, unsigned long, u32 *); | |
124 | int (*power2state)(struct thermal_cooling_device *, | |
125 | struct thermal_zone_device *, u32, unsigned long *); | |
203d3d4a ZR |
126 | }; |
127 | ||
203d3d4a ZR |
128 | struct thermal_cooling_device { |
129 | int id; | |
130 | char type[THERMAL_NAME_LENGTH]; | |
131 | struct device device; | |
4e5e4705 | 132 | struct device_node *np; |
203d3d4a | 133 | void *devdata; |
5b275ce2 | 134 | const struct thermal_cooling_device_ops *ops; |
ce119f83 | 135 | bool updated; /* true if the cooling device does not need update */ |
f4a821ce | 136 | struct mutex lock; /* protect thermal_instances list */ |
b5e4ae62 | 137 | struct list_head thermal_instances; |
203d3d4a ZR |
138 | struct list_head node; |
139 | }; | |
140 | ||
c56f5c03 D |
141 | struct thermal_attr { |
142 | struct device_attribute attr; | |
143 | char name[THERMAL_NAME_LENGTH]; | |
144 | }; | |
145 | ||
c708a98f JM |
146 | /** |
147 | * struct thermal_zone_device - structure for a thermal zone | |
148 | * @id: unique id number for each thermal zone | |
149 | * @type: the thermal zone device type | |
150 | * @device: &struct device for this thermal zone | |
151 | * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature | |
152 | * @trip_type_attrs: attributes for trip points for sysfs: trip type | |
153 | * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis | |
154 | * @devdata: private pointer for device private data | |
155 | * @trips: number of trip points the thermal zone supports | |
156 | * @passive_delay: number of milliseconds to wait between polls when | |
6b775e87 | 157 | * performing passive cooling. |
c708a98f JM |
158 | * @polling_delay: number of milliseconds to wait between polls when |
159 | * checking whether trip points have been crossed (0 for | |
160 | * interrupt driven systems) | |
161 | * @temperature: current temperature. This is only for core code, | |
162 | * drivers should use thermal_zone_get_temp() to get the | |
163 | * current temperature | |
164 | * @last_temperature: previous temperature read | |
165 | * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION | |
166 | * @passive: 1 if you've crossed a passive trip point, 0 otherwise. | |
c708a98f JM |
167 | * @forced_passive: If > 0, temperature at which to switch on all ACPI |
168 | * processor cooling devices. Currently only used by the | |
169 | * step-wise governor. | |
170 | * @ops: operations this &thermal_zone_device supports | |
171 | * @tzp: thermal zone parameters | |
172 | * @governor: pointer to the governor for this thermal zone | |
e33df1d2 | 173 | * @governor_data: private pointer for governor data |
c708a98f JM |
174 | * @thermal_instances: list of &struct thermal_instance of this thermal zone |
175 | * @idr: &struct idr to generate unique id for this zone's cooling | |
176 | * devices | |
177 | * @lock: lock to protect thermal_instances list | |
178 | * @node: node in thermal_tz_list (in thermal_core.c) | |
179 | * @poll_queue: delayed work for polling | |
180 | */ | |
203d3d4a ZR |
181 | struct thermal_zone_device { |
182 | int id; | |
183 | char type[THERMAL_NAME_LENGTH]; | |
184 | struct device device; | |
c56f5c03 D |
185 | struct thermal_attr *trip_temp_attrs; |
186 | struct thermal_attr *trip_type_attrs; | |
27365a6c | 187 | struct thermal_attr *trip_hyst_attrs; |
203d3d4a ZR |
188 | void *devdata; |
189 | int trips; | |
b1569e99 MG |
190 | int passive_delay; |
191 | int polling_delay; | |
601f3d42 | 192 | int temperature; |
b1569e99 | 193 | int last_temperature; |
e6e238c3 | 194 | int emul_temperature; |
908b9fb7 | 195 | int passive; |
03a971a2 | 196 | unsigned int forced_passive; |
4e5e4705 | 197 | struct thermal_zone_device_ops *ops; |
6b775e87 | 198 | struct thermal_zone_params *tzp; |
a4a15485 | 199 | struct thermal_governor *governor; |
e33df1d2 | 200 | void *governor_data; |
2d374139 | 201 | struct list_head thermal_instances; |
203d3d4a | 202 | struct idr idr; |
c708a98f | 203 | struct mutex lock; |
203d3d4a | 204 | struct list_head node; |
b1569e99 | 205 | struct delayed_work poll_queue; |
203d3d4a | 206 | }; |
4cb18728 | 207 | |
c708a98f JM |
208 | /** |
209 | * struct thermal_governor - structure that holds thermal governor information | |
210 | * @name: name of the governor | |
e33df1d2 JM |
211 | * @bind_to_tz: callback called when binding to a thermal zone. If it |
212 | * returns 0, the governor is bound to the thermal zone, | |
213 | * otherwise it fails. | |
214 | * @unbind_from_tz: callback called when a governor is unbound from a | |
215 | * thermal zone. | |
c708a98f JM |
216 | * @throttle: callback called for every trip point even if temperature is |
217 | * below the trip point temperature | |
218 | * @governor_list: node in thermal_governor_list (in thermal_core.c) | |
219 | */ | |
a4a15485 D |
220 | struct thermal_governor { |
221 | char name[THERMAL_NAME_LENGTH]; | |
e33df1d2 JM |
222 | int (*bind_to_tz)(struct thermal_zone_device *tz); |
223 | void (*unbind_from_tz)(struct thermal_zone_device *tz); | |
a4a15485 D |
224 | int (*throttle)(struct thermal_zone_device *tz, int trip); |
225 | struct list_head governor_list; | |
a4a15485 D |
226 | }; |
227 | ||
ef873947 D |
228 | /* Structure that holds binding parameters for a zone */ |
229 | struct thermal_bind_params { | |
230 | struct thermal_cooling_device *cdev; | |
231 | ||
232 | /* | |
233 | * This is a measure of 'how effectively these devices can | |
bcdcbbc7 JM |
234 | * cool 'this' thermal zone. It shall be determined by |
235 | * platform characterization. This value is relative to the | |
236 | * rest of the weights so a cooling device whose weight is | |
237 | * double that of another cooling device is twice as | |
238 | * effective. See Documentation/thermal/sysfs-api.txt for more | |
239 | * information. | |
ef873947 D |
240 | */ |
241 | int weight; | |
242 | ||
243 | /* | |
244 | * This is a bit mask that gives the binding relation between this | |
245 | * thermal zone and cdev, for a particular trip point. | |
246 | * See Documentation/thermal/sysfs-api.txt for more information. | |
247 | */ | |
248 | int trip_mask; | |
a8892d83 EV |
249 | |
250 | /* | |
251 | * This is an array of cooling state limits. Must have exactly | |
252 | * 2 * thermal_zone.number_of_trip_points. It is an array consisting | |
253 | * of tuples <lower-state upper-state> of state limits. Each trip | |
254 | * will be associated with one state limit tuple when binding. | |
255 | * A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> | |
256 | * on all trips. | |
257 | */ | |
258 | unsigned long *binding_limits; | |
ef873947 D |
259 | int (*match) (struct thermal_zone_device *tz, |
260 | struct thermal_cooling_device *cdev); | |
261 | }; | |
262 | ||
263 | /* Structure to define Thermal Zone parameters */ | |
264 | struct thermal_zone_params { | |
a4a15485 | 265 | char governor_name[THERMAL_NAME_LENGTH]; |
ccba4ffd EV |
266 | |
267 | /* | |
268 | * a boolean to indicate if the thermal to hwmon sysfs interface | |
269 | * is required. when no_hwmon == false, a hwmon sysfs interface | |
270 | * will be created. when no_hwmon == true, nothing will be done | |
271 | */ | |
272 | bool no_hwmon; | |
273 | ||
ef873947 D |
274 | int num_tbps; /* Number of tbp entries */ |
275 | struct thermal_bind_params *tbp; | |
6b775e87 JM |
276 | |
277 | /* | |
278 | * Sustainable power (heat) that this thermal zone can dissipate in | |
279 | * mW | |
280 | */ | |
281 | u32 sustainable_power; | |
282 | ||
283 | /* | |
284 | * Proportional parameter of the PID controller when | |
285 | * overshooting (i.e., when temperature is below the target) | |
286 | */ | |
287 | s32 k_po; | |
288 | ||
289 | /* | |
290 | * Proportional parameter of the PID controller when | |
291 | * undershooting | |
292 | */ | |
293 | s32 k_pu; | |
294 | ||
295 | /* Integral parameter of the PID controller */ | |
296 | s32 k_i; | |
297 | ||
298 | /* Derivative parameter of the PID controller */ | |
299 | s32 k_d; | |
300 | ||
301 | /* threshold below which the error is no longer accumulated */ | |
302 | s32 integral_cutoff; | |
9d0be7f4 EV |
303 | |
304 | /* | |
305 | * @slope: slope of a linear temperature adjustment curve. | |
306 | * Used by thermal zone drivers. | |
307 | */ | |
308 | int slope; | |
309 | /* | |
310 | * @offset: offset of a linear temperature adjustment curve. | |
311 | * Used by thermal zone drivers (default 0). | |
312 | */ | |
313 | int offset; | |
ef873947 D |
314 | }; |
315 | ||
4cb18728 D |
316 | struct thermal_genl_event { |
317 | u32 orig; | |
318 | enum events event; | |
319 | }; | |
203d3d4a | 320 | |
2251aef6 EV |
321 | /** |
322 | * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones | |
323 | * | |
324 | * Mandatory: | |
325 | * @get_temp: a pointer to a function that reads the sensor temperature. | |
326 | * | |
327 | * Optional: | |
328 | * @get_trend: a pointer to a function that reads the sensor temperature trend. | |
184a4bf6 LM |
329 | * @set_emul_temp: a pointer to a function that sets sensor emulated |
330 | * temperature. | |
2251aef6 EV |
331 | */ |
332 | struct thermal_zone_of_device_ops { | |
17e8351a | 333 | int (*get_temp)(void *, int *); |
2251aef6 | 334 | int (*get_trend)(void *, long *); |
17e8351a | 335 | int (*set_emul_temp)(void *, int); |
2251aef6 EV |
336 | }; |
337 | ||
ad9914ac LM |
338 | /** |
339 | * struct thermal_trip - representation of a point in temperature domain | |
340 | * @np: pointer to struct device_node that this trip point was created from | |
341 | * @temperature: temperature value in miliCelsius | |
342 | * @hysteresis: relative hysteresis in miliCelsius | |
343 | * @type: trip point type | |
344 | */ | |
345 | ||
346 | struct thermal_trip { | |
347 | struct device_node *np; | |
348 | unsigned long int temperature; | |
349 | unsigned long int hysteresis; | |
350 | enum thermal_trip_type type; | |
351 | }; | |
352 | ||
23064088 | 353 | /* Function declarations */ |
4e5e4705 EV |
354 | #ifdef CONFIG_THERMAL_OF |
355 | struct thermal_zone_device * | |
2251aef6 EV |
356 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
357 | const struct thermal_zone_of_device_ops *ops); | |
4e5e4705 EV |
358 | void thermal_zone_of_sensor_unregister(struct device *dev, |
359 | struct thermal_zone_device *tz); | |
360 | #else | |
361 | static inline struct thermal_zone_device * | |
2251aef6 EV |
362 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
363 | const struct thermal_zone_of_device_ops *ops) | |
4e5e4705 | 364 | { |
cd33dc9a | 365 | return ERR_PTR(-ENODEV); |
4e5e4705 EV |
366 | } |
367 | ||
368 | static inline | |
369 | void thermal_zone_of_sensor_unregister(struct device *dev, | |
370 | struct thermal_zone_device *tz) | |
371 | { | |
372 | } | |
373 | ||
374 | #endif | |
12ca7188 NM |
375 | |
376 | #if IS_ENABLED(CONFIG_THERMAL) | |
35b11d2e JM |
377 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
378 | { | |
379 | return cdev->ops->get_requested_power && cdev->ops->state2power && | |
380 | cdev->ops->power2state; | |
381 | } | |
382 | ||
383 | int power_actor_get_max_power(struct thermal_cooling_device *, | |
384 | struct thermal_zone_device *tz, u32 *max_power); | |
c973c3bc JM |
385 | int power_actor_get_min_power(struct thermal_cooling_device *, |
386 | struct thermal_zone_device *tz, u32 *min_power); | |
35b11d2e JM |
387 | int power_actor_set_power(struct thermal_cooling_device *, |
388 | struct thermal_instance *, u32); | |
4b1bf587 | 389 | struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, |
4e5e4705 | 390 | void *, struct thermal_zone_device_ops *, |
6b775e87 | 391 | struct thermal_zone_params *, int, int); |
203d3d4a ZR |
392 | void thermal_zone_device_unregister(struct thermal_zone_device *); |
393 | ||
394 | int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int, | |
9d99842f | 395 | struct thermal_cooling_device *, |
6cd9e9f6 KS |
396 | unsigned long, unsigned long, |
397 | unsigned int); | |
203d3d4a ZR |
398 | int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int, |
399 | struct thermal_cooling_device *); | |
b1569e99 | 400 | void thermal_zone_device_update(struct thermal_zone_device *); |
23064088 | 401 | |
203d3d4a | 402 | struct thermal_cooling_device *thermal_cooling_device_register(char *, void *, |
5b275ce2 | 403 | const struct thermal_cooling_device_ops *); |
a116b5d4 EV |
404 | struct thermal_cooling_device * |
405 | thermal_of_cooling_device_register(struct device_node *np, char *, void *, | |
406 | const struct thermal_cooling_device_ops *); | |
203d3d4a | 407 | void thermal_cooling_device_unregister(struct thermal_cooling_device *); |
63c4d919 | 408 | struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name); |
17e8351a | 409 | int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); |
af06216a | 410 | |
9b4298a0 D |
411 | int get_tz_trend(struct thermal_zone_device *, int); |
412 | struct thermal_instance *get_thermal_instance(struct thermal_zone_device *, | |
413 | struct thermal_cooling_device *, int); | |
dc765482 | 414 | void thermal_cdev_update(struct thermal_cooling_device *); |
7b73c993 | 415 | void thermal_notify_framework(struct thermal_zone_device *, int); |
12ca7188 | 416 | #else |
35b11d2e JM |
417 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
418 | { return false; } | |
419 | static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev, | |
420 | struct thermal_zone_device *tz, u32 *max_power) | |
421 | { return 0; } | |
c973c3bc JM |
422 | static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev, |
423 | struct thermal_zone_device *tz, | |
424 | u32 *min_power) | |
425 | { return -ENODEV; } | |
35b11d2e JM |
426 | static inline int power_actor_set_power(struct thermal_cooling_device *cdev, |
427 | struct thermal_instance *tz, u32 power) | |
428 | { return 0; } | |
12ca7188 NM |
429 | static inline struct thermal_zone_device *thermal_zone_device_register( |
430 | const char *type, int trips, int mask, void *devdata, | |
431 | struct thermal_zone_device_ops *ops, | |
432 | const struct thermal_zone_params *tzp, | |
433 | int passive_delay, int polling_delay) | |
434 | { return ERR_PTR(-ENODEV); } | |
435 | static inline void thermal_zone_device_unregister( | |
436 | struct thermal_zone_device *tz) | |
437 | { } | |
438 | static inline int thermal_zone_bind_cooling_device( | |
439 | struct thermal_zone_device *tz, int trip, | |
440 | struct thermal_cooling_device *cdev, | |
c86b3de8 AB |
441 | unsigned long upper, unsigned long lower, |
442 | unsigned int weight) | |
12ca7188 NM |
443 | { return -ENODEV; } |
444 | static inline int thermal_zone_unbind_cooling_device( | |
445 | struct thermal_zone_device *tz, int trip, | |
446 | struct thermal_cooling_device *cdev) | |
447 | { return -ENODEV; } | |
448 | static inline void thermal_zone_device_update(struct thermal_zone_device *tz) | |
449 | { } | |
450 | static inline struct thermal_cooling_device * | |
451 | thermal_cooling_device_register(char *type, void *devdata, | |
452 | const struct thermal_cooling_device_ops *ops) | |
453 | { return ERR_PTR(-ENODEV); } | |
454 | static inline struct thermal_cooling_device * | |
455 | thermal_of_cooling_device_register(struct device_node *np, | |
456 | char *type, void *devdata, const struct thermal_cooling_device_ops *ops) | |
457 | { return ERR_PTR(-ENODEV); } | |
458 | static inline void thermal_cooling_device_unregister( | |
459 | struct thermal_cooling_device *cdev) | |
460 | { } | |
461 | static inline struct thermal_zone_device *thermal_zone_get_zone_by_name( | |
462 | const char *name) | |
463 | { return ERR_PTR(-ENODEV); } | |
464 | static inline int thermal_zone_get_temp( | |
17e8351a | 465 | struct thermal_zone_device *tz, int *temp) |
12ca7188 NM |
466 | { return -ENODEV; } |
467 | static inline int get_tz_trend(struct thermal_zone_device *tz, int trip) | |
468 | { return -ENODEV; } | |
469 | static inline struct thermal_instance * | |
470 | get_thermal_instance(struct thermal_zone_device *tz, | |
471 | struct thermal_cooling_device *cdev, int trip) | |
472 | { return ERR_PTR(-ENODEV); } | |
473 | static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) | |
474 | { } | |
475 | static inline void thermal_notify_framework(struct thermal_zone_device *tz, | |
476 | int trip) | |
477 | { } | |
478 | #endif /* CONFIG_THERMAL */ | |
479 | ||
480 | #if defined(CONFIG_NET) && IS_ENABLED(CONFIG_THERMAL) | |
8ab3e6a0 EV |
481 | extern int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
482 | enum events event); | |
af06216a | 483 | #else |
f8b58705 | 484 | static inline int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
8ab3e6a0 | 485 | enum events event) |
af06216a RW |
486 | { |
487 | return 0; | |
488 | } | |
489 | #endif | |
203d3d4a | 490 | |
a0dd25b2 | 491 | #endif /* __THERMAL_H__ */ |