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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 | ||
bb431ba2 ZR |
46 | /* use value, which < 0K, to indicate an invalid/uninitialized temperature */ |
47 | #define THERMAL_TEMP_INVALID -274000 | |
48 | ||
23064088 | 49 | /* Unit conversion macros */ |
e866a2e3 RV |
50 | #define DECI_KELVIN_TO_CELSIUS(t) ({ \ |
51 | long _t = (t); \ | |
52 | ((_t-2732 >= 0) ? (_t-2732+5)/10 : (_t-2732-5)/10); \ | |
53 | }) | |
54 | #define CELSIUS_TO_DECI_KELVIN(t) ((t)*10+2732) | |
7b83fd9d AL |
55 | #define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100) |
56 | #define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732) | |
77e337c6 AL |
57 | #define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off)) |
58 | #define MILLICELSIUS_TO_DECI_KELVIN(t) MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, 2732) | |
23064088 | 59 | |
1f53ef17 ZR |
60 | /* Default Thermal Governor */ |
61 | #if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE) | |
62 | #define DEFAULT_THERMAL_GOVERNOR "step_wise" | |
63 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE) | |
64 | #define DEFAULT_THERMAL_GOVERNOR "fair_share" | |
65 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE) | |
66 | #define DEFAULT_THERMAL_GOVERNOR "user_space" | |
6b775e87 JM |
67 | #elif defined(CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR) |
68 | #define DEFAULT_THERMAL_GOVERNOR "power_allocator" | |
1f53ef17 | 69 | #endif |
a4a15485 | 70 | |
203d3d4a ZR |
71 | struct thermal_zone_device; |
72 | struct thermal_cooling_device; | |
35b11d2e | 73 | struct thermal_instance; |
203d3d4a | 74 | |
6503e5df MG |
75 | enum thermal_device_mode { |
76 | THERMAL_DEVICE_DISABLED = 0, | |
77 | THERMAL_DEVICE_ENABLED, | |
78 | }; | |
79 | ||
80 | enum thermal_trip_type { | |
81 | THERMAL_TRIP_ACTIVE = 0, | |
82 | THERMAL_TRIP_PASSIVE, | |
83 | THERMAL_TRIP_HOT, | |
84 | THERMAL_TRIP_CRITICAL, | |
85 | }; | |
86 | ||
601f3d42 ZR |
87 | enum thermal_trend { |
88 | THERMAL_TREND_STABLE, /* temperature is stable */ | |
89 | THERMAL_TREND_RAISING, /* temperature is raising */ | |
90 | THERMAL_TREND_DROPPING, /* temperature is dropping */ | |
d069015e ZR |
91 | THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */ |
92 | THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */ | |
601f3d42 ZR |
93 | }; |
94 | ||
203d3d4a ZR |
95 | struct thermal_zone_device_ops { |
96 | int (*bind) (struct thermal_zone_device *, | |
97 | struct thermal_cooling_device *); | |
98 | int (*unbind) (struct thermal_zone_device *, | |
99 | struct thermal_cooling_device *); | |
17e8351a | 100 | int (*get_temp) (struct thermal_zone_device *, int *); |
a79e1cc0 | 101 | int (*set_trips) (struct thermal_zone_device *, int, int); |
6503e5df MG |
102 | int (*get_mode) (struct thermal_zone_device *, |
103 | enum thermal_device_mode *); | |
104 | int (*set_mode) (struct thermal_zone_device *, | |
105 | enum thermal_device_mode); | |
106 | int (*get_trip_type) (struct thermal_zone_device *, int, | |
107 | enum thermal_trip_type *); | |
17e8351a SH |
108 | int (*get_trip_temp) (struct thermal_zone_device *, int, int *); |
109 | int (*set_trip_temp) (struct thermal_zone_device *, int, int); | |
110 | int (*get_trip_hyst) (struct thermal_zone_device *, int, int *); | |
111 | int (*set_trip_hyst) (struct thermal_zone_device *, int, int); | |
112 | int (*get_crit_temp) (struct thermal_zone_device *, int *); | |
113 | int (*set_emul_temp) (struct thermal_zone_device *, int); | |
601f3d42 ZR |
114 | int (*get_trend) (struct thermal_zone_device *, int, |
115 | enum thermal_trend *); | |
b1569e99 MG |
116 | int (*notify) (struct thermal_zone_device *, int, |
117 | enum thermal_trip_type); | |
203d3d4a ZR |
118 | }; |
119 | ||
120 | struct thermal_cooling_device_ops { | |
6503e5df MG |
121 | int (*get_max_state) (struct thermal_cooling_device *, unsigned long *); |
122 | int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *); | |
123 | int (*set_cur_state) (struct thermal_cooling_device *, unsigned long); | |
35b11d2e JM |
124 | int (*get_requested_power)(struct thermal_cooling_device *, |
125 | struct thermal_zone_device *, u32 *); | |
126 | int (*state2power)(struct thermal_cooling_device *, | |
127 | struct thermal_zone_device *, unsigned long, u32 *); | |
128 | int (*power2state)(struct thermal_cooling_device *, | |
129 | struct thermal_zone_device *, u32, unsigned long *); | |
203d3d4a ZR |
130 | }; |
131 | ||
203d3d4a ZR |
132 | struct thermal_cooling_device { |
133 | int id; | |
134 | char type[THERMAL_NAME_LENGTH]; | |
135 | struct device device; | |
4e5e4705 | 136 | struct device_node *np; |
203d3d4a | 137 | void *devdata; |
5b275ce2 | 138 | const struct thermal_cooling_device_ops *ops; |
ce119f83 | 139 | bool updated; /* true if the cooling device does not need update */ |
f4a821ce | 140 | struct mutex lock; /* protect thermal_instances list */ |
b5e4ae62 | 141 | struct list_head thermal_instances; |
203d3d4a ZR |
142 | struct list_head node; |
143 | }; | |
144 | ||
c56f5c03 D |
145 | struct thermal_attr { |
146 | struct device_attribute attr; | |
147 | char name[THERMAL_NAME_LENGTH]; | |
148 | }; | |
149 | ||
c708a98f JM |
150 | /** |
151 | * struct thermal_zone_device - structure for a thermal zone | |
152 | * @id: unique id number for each thermal zone | |
153 | * @type: the thermal zone device type | |
154 | * @device: &struct device for this thermal zone | |
155 | * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature | |
156 | * @trip_type_attrs: attributes for trip points for sysfs: trip type | |
157 | * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis | |
158 | * @devdata: private pointer for device private data | |
159 | * @trips: number of trip points the thermal zone supports | |
81ad4276 | 160 | * @trips_disabled; bitmap for disabled trips |
c708a98f | 161 | * @passive_delay: number of milliseconds to wait between polls when |
6b775e87 | 162 | * performing passive cooling. |
c708a98f JM |
163 | * @polling_delay: number of milliseconds to wait between polls when |
164 | * checking whether trip points have been crossed (0 for | |
165 | * interrupt driven systems) | |
166 | * @temperature: current temperature. This is only for core code, | |
167 | * drivers should use thermal_zone_get_temp() to get the | |
168 | * current temperature | |
169 | * @last_temperature: previous temperature read | |
170 | * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION | |
171 | * @passive: 1 if you've crossed a passive trip point, 0 otherwise. | |
a79e1cc0 SH |
172 | * @prev_low_trip: the low current temperature if you've crossed a passive |
173 | trip point. | |
174 | * @prev_high_trip: the above current temperature if you've crossed a | |
175 | passive trip point. | |
c708a98f JM |
176 | * @forced_passive: If > 0, temperature at which to switch on all ACPI |
177 | * processor cooling devices. Currently only used by the | |
178 | * step-wise governor. | |
4511f716 | 179 | * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. |
c708a98f JM |
180 | * @ops: operations this &thermal_zone_device supports |
181 | * @tzp: thermal zone parameters | |
182 | * @governor: pointer to the governor for this thermal zone | |
e33df1d2 | 183 | * @governor_data: private pointer for governor data |
c708a98f JM |
184 | * @thermal_instances: list of &struct thermal_instance of this thermal zone |
185 | * @idr: &struct idr to generate unique id for this zone's cooling | |
186 | * devices | |
187 | * @lock: lock to protect thermal_instances list | |
188 | * @node: node in thermal_tz_list (in thermal_core.c) | |
189 | * @poll_queue: delayed work for polling | |
190 | */ | |
203d3d4a ZR |
191 | struct thermal_zone_device { |
192 | int id; | |
193 | char type[THERMAL_NAME_LENGTH]; | |
194 | struct device device; | |
c56f5c03 D |
195 | struct thermal_attr *trip_temp_attrs; |
196 | struct thermal_attr *trip_type_attrs; | |
27365a6c | 197 | struct thermal_attr *trip_hyst_attrs; |
203d3d4a ZR |
198 | void *devdata; |
199 | int trips; | |
81ad4276 | 200 | unsigned long trips_disabled; /* bitmap for disabled trips */ |
b1569e99 MG |
201 | int passive_delay; |
202 | int polling_delay; | |
601f3d42 | 203 | int temperature; |
b1569e99 | 204 | int last_temperature; |
e6e238c3 | 205 | int emul_temperature; |
908b9fb7 | 206 | int passive; |
a79e1cc0 SH |
207 | int prev_low_trip; |
208 | int prev_high_trip; | |
03a971a2 | 209 | unsigned int forced_passive; |
4511f716 | 210 | atomic_t need_update; |
4e5e4705 | 211 | struct thermal_zone_device_ops *ops; |
6b775e87 | 212 | struct thermal_zone_params *tzp; |
a4a15485 | 213 | struct thermal_governor *governor; |
e33df1d2 | 214 | void *governor_data; |
2d374139 | 215 | struct list_head thermal_instances; |
203d3d4a | 216 | struct idr idr; |
c708a98f | 217 | struct mutex lock; |
203d3d4a | 218 | struct list_head node; |
b1569e99 | 219 | struct delayed_work poll_queue; |
203d3d4a | 220 | }; |
4cb18728 | 221 | |
c708a98f JM |
222 | /** |
223 | * struct thermal_governor - structure that holds thermal governor information | |
224 | * @name: name of the governor | |
e33df1d2 JM |
225 | * @bind_to_tz: callback called when binding to a thermal zone. If it |
226 | * returns 0, the governor is bound to the thermal zone, | |
227 | * otherwise it fails. | |
228 | * @unbind_from_tz: callback called when a governor is unbound from a | |
229 | * thermal zone. | |
c708a98f JM |
230 | * @throttle: callback called for every trip point even if temperature is |
231 | * below the trip point temperature | |
232 | * @governor_list: node in thermal_governor_list (in thermal_core.c) | |
233 | */ | |
a4a15485 D |
234 | struct thermal_governor { |
235 | char name[THERMAL_NAME_LENGTH]; | |
e33df1d2 JM |
236 | int (*bind_to_tz)(struct thermal_zone_device *tz); |
237 | void (*unbind_from_tz)(struct thermal_zone_device *tz); | |
a4a15485 D |
238 | int (*throttle)(struct thermal_zone_device *tz, int trip); |
239 | struct list_head governor_list; | |
a4a15485 D |
240 | }; |
241 | ||
ef873947 D |
242 | /* Structure that holds binding parameters for a zone */ |
243 | struct thermal_bind_params { | |
244 | struct thermal_cooling_device *cdev; | |
245 | ||
246 | /* | |
247 | * This is a measure of 'how effectively these devices can | |
bcdcbbc7 JM |
248 | * cool 'this' thermal zone. It shall be determined by |
249 | * platform characterization. This value is relative to the | |
250 | * rest of the weights so a cooling device whose weight is | |
251 | * double that of another cooling device is twice as | |
252 | * effective. See Documentation/thermal/sysfs-api.txt for more | |
253 | * information. | |
ef873947 D |
254 | */ |
255 | int weight; | |
256 | ||
257 | /* | |
258 | * This is a bit mask that gives the binding relation between this | |
259 | * thermal zone and cdev, for a particular trip point. | |
260 | * See Documentation/thermal/sysfs-api.txt for more information. | |
261 | */ | |
262 | int trip_mask; | |
a8892d83 EV |
263 | |
264 | /* | |
265 | * This is an array of cooling state limits. Must have exactly | |
266 | * 2 * thermal_zone.number_of_trip_points. It is an array consisting | |
267 | * of tuples <lower-state upper-state> of state limits. Each trip | |
268 | * will be associated with one state limit tuple when binding. | |
269 | * A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> | |
270 | * on all trips. | |
271 | */ | |
272 | unsigned long *binding_limits; | |
ef873947 D |
273 | int (*match) (struct thermal_zone_device *tz, |
274 | struct thermal_cooling_device *cdev); | |
275 | }; | |
276 | ||
277 | /* Structure to define Thermal Zone parameters */ | |
278 | struct thermal_zone_params { | |
a4a15485 | 279 | char governor_name[THERMAL_NAME_LENGTH]; |
ccba4ffd EV |
280 | |
281 | /* | |
282 | * a boolean to indicate if the thermal to hwmon sysfs interface | |
283 | * is required. when no_hwmon == false, a hwmon sysfs interface | |
284 | * will be created. when no_hwmon == true, nothing will be done | |
285 | */ | |
286 | bool no_hwmon; | |
287 | ||
ef873947 D |
288 | int num_tbps; /* Number of tbp entries */ |
289 | struct thermal_bind_params *tbp; | |
6b775e87 JM |
290 | |
291 | /* | |
292 | * Sustainable power (heat) that this thermal zone can dissipate in | |
293 | * mW | |
294 | */ | |
295 | u32 sustainable_power; | |
296 | ||
297 | /* | |
298 | * Proportional parameter of the PID controller when | |
299 | * overshooting (i.e., when temperature is below the target) | |
300 | */ | |
301 | s32 k_po; | |
302 | ||
303 | /* | |
304 | * Proportional parameter of the PID controller when | |
305 | * undershooting | |
306 | */ | |
307 | s32 k_pu; | |
308 | ||
309 | /* Integral parameter of the PID controller */ | |
310 | s32 k_i; | |
311 | ||
312 | /* Derivative parameter of the PID controller */ | |
313 | s32 k_d; | |
314 | ||
315 | /* threshold below which the error is no longer accumulated */ | |
316 | s32 integral_cutoff; | |
9d0be7f4 EV |
317 | |
318 | /* | |
319 | * @slope: slope of a linear temperature adjustment curve. | |
320 | * Used by thermal zone drivers. | |
321 | */ | |
322 | int slope; | |
323 | /* | |
324 | * @offset: offset of a linear temperature adjustment curve. | |
325 | * Used by thermal zone drivers (default 0). | |
326 | */ | |
327 | int offset; | |
ef873947 D |
328 | }; |
329 | ||
4cb18728 D |
330 | struct thermal_genl_event { |
331 | u32 orig; | |
332 | enum events event; | |
333 | }; | |
203d3d4a | 334 | |
2251aef6 EV |
335 | /** |
336 | * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones | |
337 | * | |
338 | * Mandatory: | |
339 | * @get_temp: a pointer to a function that reads the sensor temperature. | |
340 | * | |
341 | * Optional: | |
342 | * @get_trend: a pointer to a function that reads the sensor temperature trend. | |
252b7879 SH |
343 | * @set_trips: a pointer to a function that sets a temperature window. When |
344 | * this window is left the driver must inform the thermal core via | |
345 | * thermal_zone_device_update. | |
184a4bf6 LM |
346 | * @set_emul_temp: a pointer to a function that sets sensor emulated |
347 | * temperature. | |
5a5e78cd CW |
348 | * @set_trip_temp: a pointer to a function that sets the trip temperature on |
349 | * hardware. | |
2251aef6 EV |
350 | */ |
351 | struct thermal_zone_of_device_ops { | |
17e8351a | 352 | int (*get_temp)(void *, int *); |
94f94ab7 | 353 | int (*get_trend)(void *, int, enum thermal_trend *); |
252b7879 | 354 | int (*set_trips)(void *, int, int); |
17e8351a | 355 | int (*set_emul_temp)(void *, int); |
c3509521 | 356 | int (*set_trip_temp)(void *, int, int); |
2251aef6 EV |
357 | }; |
358 | ||
ad9914ac LM |
359 | /** |
360 | * struct thermal_trip - representation of a point in temperature domain | |
361 | * @np: pointer to struct device_node that this trip point was created from | |
362 | * @temperature: temperature value in miliCelsius | |
363 | * @hysteresis: relative hysteresis in miliCelsius | |
364 | * @type: trip point type | |
365 | */ | |
366 | ||
367 | struct thermal_trip { | |
368 | struct device_node *np; | |
1d0fd42f WN |
369 | int temperature; |
370 | int hysteresis; | |
ad9914ac LM |
371 | enum thermal_trip_type type; |
372 | }; | |
373 | ||
23064088 | 374 | /* Function declarations */ |
4e5e4705 EV |
375 | #ifdef CONFIG_THERMAL_OF |
376 | struct thermal_zone_device * | |
2251aef6 EV |
377 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
378 | const struct thermal_zone_of_device_ops *ops); | |
4e5e4705 EV |
379 | void thermal_zone_of_sensor_unregister(struct device *dev, |
380 | struct thermal_zone_device *tz); | |
e498b498 LD |
381 | struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
382 | struct device *dev, int id, void *data, | |
383 | const struct thermal_zone_of_device_ops *ops); | |
384 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
385 | struct thermal_zone_device *tz); | |
4e5e4705 EV |
386 | #else |
387 | static inline struct thermal_zone_device * | |
2251aef6 EV |
388 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
389 | const struct thermal_zone_of_device_ops *ops) | |
4e5e4705 | 390 | { |
cd33dc9a | 391 | return ERR_PTR(-ENODEV); |
4e5e4705 EV |
392 | } |
393 | ||
394 | static inline | |
395 | void thermal_zone_of_sensor_unregister(struct device *dev, | |
396 | struct thermal_zone_device *tz) | |
397 | { | |
398 | } | |
399 | ||
e498b498 LD |
400 | static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
401 | struct device *dev, int id, void *data, | |
402 | const struct thermal_zone_of_device_ops *ops) | |
403 | { | |
404 | return ERR_PTR(-ENODEV); | |
405 | } | |
406 | ||
407 | static inline | |
408 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
409 | struct thermal_zone_device *tz) | |
410 | { | |
411 | } | |
412 | ||
4e5e4705 | 413 | #endif |
12ca7188 NM |
414 | |
415 | #if IS_ENABLED(CONFIG_THERMAL) | |
35b11d2e JM |
416 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
417 | { | |
418 | return cdev->ops->get_requested_power && cdev->ops->state2power && | |
419 | cdev->ops->power2state; | |
420 | } | |
421 | ||
422 | int power_actor_get_max_power(struct thermal_cooling_device *, | |
423 | struct thermal_zone_device *tz, u32 *max_power); | |
c973c3bc JM |
424 | int power_actor_get_min_power(struct thermal_cooling_device *, |
425 | struct thermal_zone_device *tz, u32 *min_power); | |
35b11d2e JM |
426 | int power_actor_set_power(struct thermal_cooling_device *, |
427 | struct thermal_instance *, u32); | |
4b1bf587 | 428 | struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, |
4e5e4705 | 429 | void *, struct thermal_zone_device_ops *, |
6b775e87 | 430 | struct thermal_zone_params *, int, int); |
203d3d4a ZR |
431 | void thermal_zone_device_unregister(struct thermal_zone_device *); |
432 | ||
433 | int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int, | |
9d99842f | 434 | struct thermal_cooling_device *, |
6cd9e9f6 KS |
435 | unsigned long, unsigned long, |
436 | unsigned int); | |
203d3d4a ZR |
437 | int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int, |
438 | struct thermal_cooling_device *); | |
b1569e99 | 439 | void thermal_zone_device_update(struct thermal_zone_device *); |
a79e1cc0 | 440 | void thermal_zone_set_trips(struct thermal_zone_device *); |
23064088 | 441 | |
203d3d4a | 442 | struct thermal_cooling_device *thermal_cooling_device_register(char *, void *, |
5b275ce2 | 443 | const struct thermal_cooling_device_ops *); |
a116b5d4 EV |
444 | struct thermal_cooling_device * |
445 | thermal_of_cooling_device_register(struct device_node *np, char *, void *, | |
446 | const struct thermal_cooling_device_ops *); | |
203d3d4a | 447 | void thermal_cooling_device_unregister(struct thermal_cooling_device *); |
63c4d919 | 448 | struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name); |
17e8351a | 449 | int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); |
169b7d63 RN |
450 | int thermal_zone_get_slope(struct thermal_zone_device *tz); |
451 | int thermal_zone_get_offset(struct thermal_zone_device *tz); | |
af06216a | 452 | |
9b4298a0 D |
453 | int get_tz_trend(struct thermal_zone_device *, int); |
454 | struct thermal_instance *get_thermal_instance(struct thermal_zone_device *, | |
455 | struct thermal_cooling_device *, int); | |
dc765482 | 456 | void thermal_cdev_update(struct thermal_cooling_device *); |
7b73c993 | 457 | void thermal_notify_framework(struct thermal_zone_device *, int); |
12ca7188 | 458 | #else |
35b11d2e JM |
459 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
460 | { return false; } | |
461 | static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev, | |
462 | struct thermal_zone_device *tz, u32 *max_power) | |
463 | { return 0; } | |
c973c3bc JM |
464 | static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev, |
465 | struct thermal_zone_device *tz, | |
466 | u32 *min_power) | |
467 | { return -ENODEV; } | |
35b11d2e JM |
468 | static inline int power_actor_set_power(struct thermal_cooling_device *cdev, |
469 | struct thermal_instance *tz, u32 power) | |
470 | { return 0; } | |
12ca7188 NM |
471 | static inline struct thermal_zone_device *thermal_zone_device_register( |
472 | const char *type, int trips, int mask, void *devdata, | |
473 | struct thermal_zone_device_ops *ops, | |
474 | const struct thermal_zone_params *tzp, | |
475 | int passive_delay, int polling_delay) | |
476 | { return ERR_PTR(-ENODEV); } | |
477 | static inline void thermal_zone_device_unregister( | |
478 | struct thermal_zone_device *tz) | |
479 | { } | |
480 | static inline int thermal_zone_bind_cooling_device( | |
481 | struct thermal_zone_device *tz, int trip, | |
482 | struct thermal_cooling_device *cdev, | |
c86b3de8 AB |
483 | unsigned long upper, unsigned long lower, |
484 | unsigned int weight) | |
12ca7188 NM |
485 | { return -ENODEV; } |
486 | static inline int thermal_zone_unbind_cooling_device( | |
487 | struct thermal_zone_device *tz, int trip, | |
488 | struct thermal_cooling_device *cdev) | |
489 | { return -ENODEV; } | |
490 | static inline void thermal_zone_device_update(struct thermal_zone_device *tz) | |
491 | { } | |
a79e1cc0 SH |
492 | static inline void thermal_zone_set_trips(struct thermal_zone_device *tz) |
493 | { } | |
12ca7188 NM |
494 | static inline struct thermal_cooling_device * |
495 | thermal_cooling_device_register(char *type, void *devdata, | |
496 | const struct thermal_cooling_device_ops *ops) | |
497 | { return ERR_PTR(-ENODEV); } | |
498 | static inline struct thermal_cooling_device * | |
499 | thermal_of_cooling_device_register(struct device_node *np, | |
500 | char *type, void *devdata, const struct thermal_cooling_device_ops *ops) | |
501 | { return ERR_PTR(-ENODEV); } | |
502 | static inline void thermal_cooling_device_unregister( | |
503 | struct thermal_cooling_device *cdev) | |
504 | { } | |
505 | static inline struct thermal_zone_device *thermal_zone_get_zone_by_name( | |
506 | const char *name) | |
507 | { return ERR_PTR(-ENODEV); } | |
508 | static inline int thermal_zone_get_temp( | |
17e8351a | 509 | struct thermal_zone_device *tz, int *temp) |
12ca7188 | 510 | { return -ENODEV; } |
169b7d63 RN |
511 | static inline int thermal_zone_get_slope( |
512 | struct thermal_zone_device *tz) | |
513 | { return -ENODEV; } | |
514 | static inline int thermal_zone_get_offset( | |
515 | struct thermal_zone_device *tz) | |
516 | { return -ENODEV; } | |
12ca7188 NM |
517 | static inline int get_tz_trend(struct thermal_zone_device *tz, int trip) |
518 | { return -ENODEV; } | |
519 | static inline struct thermal_instance * | |
520 | get_thermal_instance(struct thermal_zone_device *tz, | |
521 | struct thermal_cooling_device *cdev, int trip) | |
522 | { return ERR_PTR(-ENODEV); } | |
523 | static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) | |
524 | { } | |
525 | static inline void thermal_notify_framework(struct thermal_zone_device *tz, | |
526 | int trip) | |
527 | { } | |
528 | #endif /* CONFIG_THERMAL */ | |
529 | ||
530 | #if defined(CONFIG_NET) && IS_ENABLED(CONFIG_THERMAL) | |
8ab3e6a0 EV |
531 | extern int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
532 | enum events event); | |
af06216a | 533 | #else |
f8b58705 | 534 | static inline int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
8ab3e6a0 | 535 | enum events event) |
af06216a RW |
536 | { |
537 | return 0; | |
538 | } | |
539 | #endif | |
203d3d4a | 540 | |
a0dd25b2 | 541 | #endif /* __THERMAL_H__ */ |