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