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7e3c0381 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
203d3d4a ZR |
2 | /* |
3 | * thermal.h ($Revision: 0 $) | |
4 | * | |
5 | * Copyright (C) 2008 Intel Corp | |
6 | * Copyright (C) 2008 Zhang Rui <rui.zhang@intel.com> | |
7 | * Copyright (C) 2008 Sujith Thomas <sujith.thomas@intel.com> | |
203d3d4a ZR |
8 | */ |
9 | ||
10 | #ifndef __THERMAL_H__ | |
11 | #define __THERMAL_H__ | |
12 | ||
a116b5d4 | 13 | #include <linux/of.h> |
203d3d4a ZR |
14 | #include <linux/idr.h> |
15 | #include <linux/device.h> | |
4d0fe749 | 16 | #include <linux/sysfs.h> |
b1569e99 | 17 | #include <linux/workqueue.h> |
af6c9f16 | 18 | #include <uapi/linux/thermal.h> |
203d3d4a | 19 | |
23064088 D |
20 | #define THERMAL_TRIPS_NONE -1 |
21 | #define THERMAL_MAX_TRIPS 12 | |
23064088 | 22 | |
57df8106 ZR |
23 | /* invalid cooling state */ |
24 | #define THERMAL_CSTATE_INVALID -1UL | |
25 | ||
23064088 | 26 | /* No upper/lower limit requirement */ |
a940cb34 | 27 | #define THERMAL_NO_LIMIT ((u32)~0) |
23064088 | 28 | |
6cd9e9f6 KS |
29 | /* Default weight of a bound cooling device */ |
30 | #define THERMAL_WEIGHT_DEFAULT 0 | |
31 | ||
bb431ba2 ZR |
32 | /* use value, which < 0K, to indicate an invalid/uninitialized temperature */ |
33 | #define THERMAL_TEMP_INVALID -274000 | |
34 | ||
203d3d4a ZR |
35 | struct thermal_zone_device; |
36 | struct thermal_cooling_device; | |
35b11d2e | 37 | struct thermal_instance; |
c68df440 | 38 | struct thermal_attr; |
203d3d4a | 39 | |
6503e5df MG |
40 | enum thermal_device_mode { |
41 | THERMAL_DEVICE_DISABLED = 0, | |
42 | THERMAL_DEVICE_ENABLED, | |
43 | }; | |
44 | ||
45 | enum thermal_trip_type { | |
46 | THERMAL_TRIP_ACTIVE = 0, | |
47 | THERMAL_TRIP_PASSIVE, | |
48 | THERMAL_TRIP_HOT, | |
49 | THERMAL_TRIP_CRITICAL, | |
50 | }; | |
51 | ||
601f3d42 ZR |
52 | enum thermal_trend { |
53 | THERMAL_TREND_STABLE, /* temperature is stable */ | |
54 | THERMAL_TREND_RAISING, /* temperature is raising */ | |
55 | THERMAL_TREND_DROPPING, /* temperature is dropping */ | |
d069015e ZR |
56 | THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */ |
57 | THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */ | |
601f3d42 ZR |
58 | }; |
59 | ||
0e70f466 SP |
60 | /* Thermal notification reason */ |
61 | enum thermal_notify_event { | |
62 | THERMAL_EVENT_UNSPECIFIED, /* Unspecified event */ | |
63 | THERMAL_EVENT_TEMP_SAMPLE, /* New Temperature sample */ | |
64 | THERMAL_TRIP_VIOLATED, /* TRIP Point violation */ | |
65 | THERMAL_TRIP_CHANGED, /* TRIP Point temperature changed */ | |
66 | THERMAL_DEVICE_DOWN, /* Thermal device is down */ | |
67 | THERMAL_DEVICE_UP, /* Thermal device is up after a down event */ | |
68 | THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */ | |
38e44da5 | 69 | THERMAL_TABLE_CHANGED, /* Thermal table(s) changed */ |
0e70f466 SP |
70 | }; |
71 | ||
203d3d4a ZR |
72 | struct thermal_zone_device_ops { |
73 | int (*bind) (struct thermal_zone_device *, | |
74 | struct thermal_cooling_device *); | |
75 | int (*unbind) (struct thermal_zone_device *, | |
76 | struct thermal_cooling_device *); | |
17e8351a | 77 | int (*get_temp) (struct thermal_zone_device *, int *); |
060c034a | 78 | int (*set_trips) (struct thermal_zone_device *, int, int); |
6503e5df MG |
79 | int (*get_mode) (struct thermal_zone_device *, |
80 | enum thermal_device_mode *); | |
81 | int (*set_mode) (struct thermal_zone_device *, | |
82 | enum thermal_device_mode); | |
83 | int (*get_trip_type) (struct thermal_zone_device *, int, | |
84 | enum thermal_trip_type *); | |
17e8351a SH |
85 | int (*get_trip_temp) (struct thermal_zone_device *, int, int *); |
86 | int (*set_trip_temp) (struct thermal_zone_device *, int, int); | |
87 | int (*get_trip_hyst) (struct thermal_zone_device *, int, int *); | |
88 | int (*set_trip_hyst) (struct thermal_zone_device *, int, int); | |
89 | int (*get_crit_temp) (struct thermal_zone_device *, int *); | |
90 | int (*set_emul_temp) (struct thermal_zone_device *, int); | |
601f3d42 ZR |
91 | int (*get_trend) (struct thermal_zone_device *, int, |
92 | enum thermal_trend *); | |
b1569e99 MG |
93 | int (*notify) (struct thermal_zone_device *, int, |
94 | enum thermal_trip_type); | |
203d3d4a ZR |
95 | }; |
96 | ||
97 | struct thermal_cooling_device_ops { | |
6503e5df MG |
98 | int (*get_max_state) (struct thermal_cooling_device *, unsigned long *); |
99 | int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *); | |
100 | int (*set_cur_state) (struct thermal_cooling_device *, unsigned long); | |
35b11d2e JM |
101 | int (*get_requested_power)(struct thermal_cooling_device *, |
102 | struct thermal_zone_device *, u32 *); | |
103 | int (*state2power)(struct thermal_cooling_device *, | |
104 | struct thermal_zone_device *, unsigned long, u32 *); | |
105 | int (*power2state)(struct thermal_cooling_device *, | |
106 | struct thermal_zone_device *, u32, unsigned long *); | |
203d3d4a ZR |
107 | }; |
108 | ||
203d3d4a ZR |
109 | struct thermal_cooling_device { |
110 | int id; | |
111 | char type[THERMAL_NAME_LENGTH]; | |
112 | struct device device; | |
4e5e4705 | 113 | struct device_node *np; |
203d3d4a | 114 | void *devdata; |
8ea22951 | 115 | void *stats; |
5b275ce2 | 116 | const struct thermal_cooling_device_ops *ops; |
ce119f83 | 117 | bool updated; /* true if the cooling device does not need update */ |
f4a821ce | 118 | struct mutex lock; /* protect thermal_instances list */ |
b5e4ae62 | 119 | struct list_head thermal_instances; |
203d3d4a ZR |
120 | struct list_head node; |
121 | }; | |
122 | ||
c708a98f JM |
123 | /** |
124 | * struct thermal_zone_device - structure for a thermal zone | |
125 | * @id: unique id number for each thermal zone | |
126 | * @type: the thermal zone device type | |
127 | * @device: &struct device for this thermal zone | |
128 | * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature | |
129 | * @trip_type_attrs: attributes for trip points for sysfs: trip type | |
130 | * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis | |
131 | * @devdata: private pointer for device private data | |
132 | * @trips: number of trip points the thermal zone supports | |
81ad4276 | 133 | * @trips_disabled; bitmap for disabled trips |
c708a98f | 134 | * @passive_delay: number of milliseconds to wait between polls when |
6b775e87 | 135 | * performing passive cooling. |
c708a98f JM |
136 | * @polling_delay: number of milliseconds to wait between polls when |
137 | * checking whether trip points have been crossed (0 for | |
138 | * interrupt driven systems) | |
139 | * @temperature: current temperature. This is only for core code, | |
140 | * drivers should use thermal_zone_get_temp() to get the | |
141 | * current temperature | |
142 | * @last_temperature: previous temperature read | |
143 | * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION | |
144 | * @passive: 1 if you've crossed a passive trip point, 0 otherwise. | |
060c034a SH |
145 | * @prev_low_trip: the low current temperature if you've crossed a passive |
146 | trip point. | |
147 | * @prev_high_trip: the above current temperature if you've crossed a | |
148 | passive trip point. | |
c708a98f JM |
149 | * @forced_passive: If > 0, temperature at which to switch on all ACPI |
150 | * processor cooling devices. Currently only used by the | |
151 | * step-wise governor. | |
4511f716 | 152 | * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. |
c708a98f JM |
153 | * @ops: operations this &thermal_zone_device supports |
154 | * @tzp: thermal zone parameters | |
155 | * @governor: pointer to the governor for this thermal zone | |
e33df1d2 | 156 | * @governor_data: private pointer for governor data |
c708a98f | 157 | * @thermal_instances: list of &struct thermal_instance of this thermal zone |
b31ef828 | 158 | * @ida: &struct ida to generate unique id for this zone's cooling |
c708a98f JM |
159 | * devices |
160 | * @lock: lock to protect thermal_instances list | |
161 | * @node: node in thermal_tz_list (in thermal_core.c) | |
162 | * @poll_queue: delayed work for polling | |
0e70f466 | 163 | * @notify_event: Last notification event |
c708a98f | 164 | */ |
203d3d4a ZR |
165 | struct thermal_zone_device { |
166 | int id; | |
167 | char type[THERMAL_NAME_LENGTH]; | |
168 | struct device device; | |
4d0fe749 | 169 | struct attribute_group trips_attribute_group; |
c56f5c03 D |
170 | struct thermal_attr *trip_temp_attrs; |
171 | struct thermal_attr *trip_type_attrs; | |
27365a6c | 172 | struct thermal_attr *trip_hyst_attrs; |
203d3d4a ZR |
173 | void *devdata; |
174 | int trips; | |
81ad4276 | 175 | unsigned long trips_disabled; /* bitmap for disabled trips */ |
b1569e99 MG |
176 | int passive_delay; |
177 | int polling_delay; | |
601f3d42 | 178 | int temperature; |
b1569e99 | 179 | int last_temperature; |
e6e238c3 | 180 | int emul_temperature; |
908b9fb7 | 181 | int passive; |
060c034a SH |
182 | int prev_low_trip; |
183 | int prev_high_trip; | |
03a971a2 | 184 | unsigned int forced_passive; |
4511f716 | 185 | atomic_t need_update; |
4e5e4705 | 186 | struct thermal_zone_device_ops *ops; |
6b775e87 | 187 | struct thermal_zone_params *tzp; |
a4a15485 | 188 | struct thermal_governor *governor; |
e33df1d2 | 189 | void *governor_data; |
2d374139 | 190 | struct list_head thermal_instances; |
b31ef828 | 191 | struct ida ida; |
c708a98f | 192 | struct mutex lock; |
203d3d4a | 193 | struct list_head node; |
b1569e99 | 194 | struct delayed_work poll_queue; |
0e70f466 | 195 | enum thermal_notify_event notify_event; |
203d3d4a | 196 | }; |
4cb18728 | 197 | |
c708a98f JM |
198 | /** |
199 | * struct thermal_governor - structure that holds thermal governor information | |
200 | * @name: name of the governor | |
e33df1d2 JM |
201 | * @bind_to_tz: callback called when binding to a thermal zone. If it |
202 | * returns 0, the governor is bound to the thermal zone, | |
203 | * otherwise it fails. | |
204 | * @unbind_from_tz: callback called when a governor is unbound from a | |
205 | * thermal zone. | |
c708a98f JM |
206 | * @throttle: callback called for every trip point even if temperature is |
207 | * below the trip point temperature | |
208 | * @governor_list: node in thermal_governor_list (in thermal_core.c) | |
209 | */ | |
a4a15485 D |
210 | struct thermal_governor { |
211 | char name[THERMAL_NAME_LENGTH]; | |
e33df1d2 JM |
212 | int (*bind_to_tz)(struct thermal_zone_device *tz); |
213 | void (*unbind_from_tz)(struct thermal_zone_device *tz); | |
a4a15485 D |
214 | int (*throttle)(struct thermal_zone_device *tz, int trip); |
215 | struct list_head governor_list; | |
a4a15485 D |
216 | }; |
217 | ||
ef873947 D |
218 | /* Structure that holds binding parameters for a zone */ |
219 | struct thermal_bind_params { | |
220 | struct thermal_cooling_device *cdev; | |
221 | ||
222 | /* | |
223 | * This is a measure of 'how effectively these devices can | |
bcdcbbc7 JM |
224 | * cool 'this' thermal zone. It shall be determined by |
225 | * platform characterization. This value is relative to the | |
226 | * rest of the weights so a cooling device whose weight is | |
227 | * double that of another cooling device is twice as | |
eaf7b460 | 228 | * effective. See Documentation/driver-api/thermal/sysfs-api.rst for more |
bcdcbbc7 | 229 | * information. |
ef873947 D |
230 | */ |
231 | int weight; | |
232 | ||
233 | /* | |
234 | * This is a bit mask that gives the binding relation between this | |
235 | * thermal zone and cdev, for a particular trip point. | |
eaf7b460 | 236 | * See Documentation/driver-api/thermal/sysfs-api.rst for more information. |
ef873947 D |
237 | */ |
238 | int trip_mask; | |
a8892d83 EV |
239 | |
240 | /* | |
241 | * This is an array of cooling state limits. Must have exactly | |
242 | * 2 * thermal_zone.number_of_trip_points. It is an array consisting | |
243 | * of tuples <lower-state upper-state> of state limits. Each trip | |
244 | * will be associated with one state limit tuple when binding. | |
245 | * A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> | |
246 | * on all trips. | |
247 | */ | |
248 | unsigned long *binding_limits; | |
ef873947 D |
249 | int (*match) (struct thermal_zone_device *tz, |
250 | struct thermal_cooling_device *cdev); | |
251 | }; | |
252 | ||
253 | /* Structure to define Thermal Zone parameters */ | |
254 | struct thermal_zone_params { | |
a4a15485 | 255 | char governor_name[THERMAL_NAME_LENGTH]; |
ccba4ffd EV |
256 | |
257 | /* | |
258 | * a boolean to indicate if the thermal to hwmon sysfs interface | |
259 | * is required. when no_hwmon == false, a hwmon sysfs interface | |
260 | * will be created. when no_hwmon == true, nothing will be done | |
261 | */ | |
262 | bool no_hwmon; | |
263 | ||
ef873947 D |
264 | int num_tbps; /* Number of tbp entries */ |
265 | struct thermal_bind_params *tbp; | |
6b775e87 JM |
266 | |
267 | /* | |
268 | * Sustainable power (heat) that this thermal zone can dissipate in | |
269 | * mW | |
270 | */ | |
271 | u32 sustainable_power; | |
272 | ||
273 | /* | |
274 | * Proportional parameter of the PID controller when | |
275 | * overshooting (i.e., when temperature is below the target) | |
276 | */ | |
277 | s32 k_po; | |
278 | ||
279 | /* | |
280 | * Proportional parameter of the PID controller when | |
281 | * undershooting | |
282 | */ | |
283 | s32 k_pu; | |
284 | ||
285 | /* Integral parameter of the PID controller */ | |
286 | s32 k_i; | |
287 | ||
288 | /* Derivative parameter of the PID controller */ | |
289 | s32 k_d; | |
290 | ||
291 | /* threshold below which the error is no longer accumulated */ | |
292 | s32 integral_cutoff; | |
9d0be7f4 EV |
293 | |
294 | /* | |
295 | * @slope: slope of a linear temperature adjustment curve. | |
296 | * Used by thermal zone drivers. | |
297 | */ | |
298 | int slope; | |
299 | /* | |
300 | * @offset: offset of a linear temperature adjustment curve. | |
301 | * Used by thermal zone drivers (default 0). | |
302 | */ | |
303 | int offset; | |
ef873947 D |
304 | }; |
305 | ||
4cb18728 D |
306 | struct thermal_genl_event { |
307 | u32 orig; | |
308 | enum events event; | |
309 | }; | |
203d3d4a | 310 | |
2251aef6 EV |
311 | /** |
312 | * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones | |
313 | * | |
314 | * Mandatory: | |
315 | * @get_temp: a pointer to a function that reads the sensor temperature. | |
316 | * | |
317 | * Optional: | |
318 | * @get_trend: a pointer to a function that reads the sensor temperature trend. | |
826386e7 SH |
319 | * @set_trips: a pointer to a function that sets a temperature window. When |
320 | * this window is left the driver must inform the thermal core via | |
321 | * thermal_zone_device_update. | |
184a4bf6 LM |
322 | * @set_emul_temp: a pointer to a function that sets sensor emulated |
323 | * temperature. | |
5a5e78cd CW |
324 | * @set_trip_temp: a pointer to a function that sets the trip temperature on |
325 | * hardware. | |
2251aef6 EV |
326 | */ |
327 | struct thermal_zone_of_device_ops { | |
17e8351a | 328 | int (*get_temp)(void *, int *); |
e78eaf45 | 329 | int (*get_trend)(void *, int, enum thermal_trend *); |
826386e7 | 330 | int (*set_trips)(void *, int, int); |
17e8351a | 331 | int (*set_emul_temp)(void *, int); |
c3509521 | 332 | int (*set_trip_temp)(void *, int, int); |
2251aef6 EV |
333 | }; |
334 | ||
23064088 | 335 | /* Function declarations */ |
4e5e4705 | 336 | #ifdef CONFIG_THERMAL_OF |
34471abf AH |
337 | int thermal_zone_of_get_sensor_id(struct device_node *tz_np, |
338 | struct device_node *sensor_np, | |
339 | u32 *id); | |
4e5e4705 | 340 | struct thermal_zone_device * |
2251aef6 EV |
341 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
342 | const struct thermal_zone_of_device_ops *ops); | |
4e5e4705 EV |
343 | void thermal_zone_of_sensor_unregister(struct device *dev, |
344 | struct thermal_zone_device *tz); | |
e498b498 LD |
345 | struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
346 | struct device *dev, int id, void *data, | |
347 | const struct thermal_zone_of_device_ops *ops); | |
348 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
349 | struct thermal_zone_device *tz); | |
4e5e4705 | 350 | #else |
34471abf | 351 | |
15a26319 | 352 | static inline int thermal_zone_of_get_sensor_id(struct device_node *tz_np, |
34471abf AH |
353 | struct device_node *sensor_np, |
354 | u32 *id) | |
355 | { | |
356 | return -ENOENT; | |
357 | } | |
4e5e4705 | 358 | static inline struct thermal_zone_device * |
2251aef6 EV |
359 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
360 | const struct thermal_zone_of_device_ops *ops) | |
4e5e4705 | 361 | { |
cd33dc9a | 362 | return ERR_PTR(-ENODEV); |
4e5e4705 EV |
363 | } |
364 | ||
365 | static inline | |
366 | void thermal_zone_of_sensor_unregister(struct device *dev, | |
367 | struct thermal_zone_device *tz) | |
368 | { | |
369 | } | |
370 | ||
e498b498 LD |
371 | static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
372 | struct device *dev, int id, void *data, | |
373 | const struct thermal_zone_of_device_ops *ops) | |
374 | { | |
375 | return ERR_PTR(-ENODEV); | |
376 | } | |
377 | ||
378 | static inline | |
379 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
380 | struct thermal_zone_device *tz) | |
381 | { | |
382 | } | |
383 | ||
4e5e4705 | 384 | #endif |
12ca7188 | 385 | |
60518260 | 386 | #ifdef CONFIG_THERMAL |
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 *); | |
0e70f466 SP |
398 | void thermal_zone_device_update(struct thermal_zone_device *, |
399 | enum thermal_notify_event); | |
23064088 | 400 | |
f991de53 JFD |
401 | struct thermal_cooling_device *thermal_cooling_device_register(const char *, |
402 | void *, const struct thermal_cooling_device_ops *); | |
a116b5d4 | 403 | struct thermal_cooling_device * |
f991de53 | 404 | thermal_of_cooling_device_register(struct device_node *np, const char *, void *, |
a116b5d4 | 405 | const struct thermal_cooling_device_ops *); |
b4ab114c GR |
406 | struct thermal_cooling_device * |
407 | devm_thermal_of_cooling_device_register(struct device *dev, | |
408 | struct device_node *np, | |
409 | char *type, void *devdata, | |
410 | const struct thermal_cooling_device_ops *ops); | |
203d3d4a | 411 | void thermal_cooling_device_unregister(struct thermal_cooling_device *); |
63c4d919 | 412 | struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name); |
17e8351a | 413 | int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); |
4a7069a3 RN |
414 | int thermal_zone_get_slope(struct thermal_zone_device *tz); |
415 | int thermal_zone_get_offset(struct thermal_zone_device *tz); | |
af06216a | 416 | |
dc765482 | 417 | void thermal_cdev_update(struct thermal_cooling_device *); |
7b73c993 | 418 | void thermal_notify_framework(struct thermal_zone_device *, int); |
12ca7188 NM |
419 | #else |
420 | static inline struct thermal_zone_device *thermal_zone_device_register( | |
421 | const char *type, int trips, int mask, void *devdata, | |
422 | struct thermal_zone_device_ops *ops, | |
023b7b07 | 423 | struct thermal_zone_params *tzp, |
12ca7188 NM |
424 | int passive_delay, int polling_delay) |
425 | { return ERR_PTR(-ENODEV); } | |
426 | static inline void thermal_zone_device_unregister( | |
427 | struct thermal_zone_device *tz) | |
428 | { } | |
12ca7188 NM |
429 | static inline struct thermal_cooling_device * |
430 | thermal_cooling_device_register(char *type, void *devdata, | |
431 | const struct thermal_cooling_device_ops *ops) | |
432 | { return ERR_PTR(-ENODEV); } | |
433 | static inline struct thermal_cooling_device * | |
434 | thermal_of_cooling_device_register(struct device_node *np, | |
435 | char *type, void *devdata, const struct thermal_cooling_device_ops *ops) | |
436 | { return ERR_PTR(-ENODEV); } | |
b4ab114c GR |
437 | static inline struct thermal_cooling_device * |
438 | devm_thermal_of_cooling_device_register(struct device *dev, | |
439 | struct device_node *np, | |
440 | char *type, void *devdata, | |
441 | const struct thermal_cooling_device_ops *ops) | |
442 | { | |
443 | return ERR_PTR(-ENODEV); | |
444 | } | |
12ca7188 NM |
445 | static inline void thermal_cooling_device_unregister( |
446 | struct thermal_cooling_device *cdev) | |
447 | { } | |
448 | static inline struct thermal_zone_device *thermal_zone_get_zone_by_name( | |
449 | const char *name) | |
450 | { return ERR_PTR(-ENODEV); } | |
451 | static inline int thermal_zone_get_temp( | |
17e8351a | 452 | struct thermal_zone_device *tz, int *temp) |
12ca7188 | 453 | { return -ENODEV; } |
4a7069a3 RN |
454 | static inline int thermal_zone_get_slope( |
455 | struct thermal_zone_device *tz) | |
456 | { return -ENODEV; } | |
457 | static inline int thermal_zone_get_offset( | |
458 | struct thermal_zone_device *tz) | |
459 | { return -ENODEV; } | |
f0129c23 | 460 | |
12ca7188 NM |
461 | static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) |
462 | { } | |
463 | static inline void thermal_notify_framework(struct thermal_zone_device *tz, | |
464 | int trip) | |
465 | { } | |
466 | #endif /* CONFIG_THERMAL */ | |
467 | ||
a0dd25b2 | 468 | #endif /* __THERMAL_H__ */ |