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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 | ||
0e70f466 SP |
95 | /* Thermal notification reason */ |
96 | enum thermal_notify_event { | |
97 | THERMAL_EVENT_UNSPECIFIED, /* Unspecified event */ | |
98 | THERMAL_EVENT_TEMP_SAMPLE, /* New Temperature sample */ | |
99 | THERMAL_TRIP_VIOLATED, /* TRIP Point violation */ | |
100 | THERMAL_TRIP_CHANGED, /* TRIP Point temperature changed */ | |
101 | THERMAL_DEVICE_DOWN, /* Thermal device is down */ | |
102 | THERMAL_DEVICE_UP, /* Thermal device is up after a down event */ | |
103 | THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */ | |
104 | }; | |
105 | ||
203d3d4a ZR |
106 | struct thermal_zone_device_ops { |
107 | int (*bind) (struct thermal_zone_device *, | |
108 | struct thermal_cooling_device *); | |
109 | int (*unbind) (struct thermal_zone_device *, | |
110 | struct thermal_cooling_device *); | |
17e8351a | 111 | int (*get_temp) (struct thermal_zone_device *, int *); |
060c034a | 112 | int (*set_trips) (struct thermal_zone_device *, int, int); |
6503e5df MG |
113 | int (*get_mode) (struct thermal_zone_device *, |
114 | enum thermal_device_mode *); | |
115 | int (*set_mode) (struct thermal_zone_device *, | |
116 | enum thermal_device_mode); | |
117 | int (*get_trip_type) (struct thermal_zone_device *, int, | |
118 | enum thermal_trip_type *); | |
17e8351a SH |
119 | int (*get_trip_temp) (struct thermal_zone_device *, int, int *); |
120 | int (*set_trip_temp) (struct thermal_zone_device *, int, int); | |
121 | int (*get_trip_hyst) (struct thermal_zone_device *, int, int *); | |
122 | int (*set_trip_hyst) (struct thermal_zone_device *, int, int); | |
123 | int (*get_crit_temp) (struct thermal_zone_device *, int *); | |
124 | int (*set_emul_temp) (struct thermal_zone_device *, int); | |
601f3d42 ZR |
125 | int (*get_trend) (struct thermal_zone_device *, int, |
126 | enum thermal_trend *); | |
b1569e99 MG |
127 | int (*notify) (struct thermal_zone_device *, int, |
128 | enum thermal_trip_type); | |
203d3d4a ZR |
129 | }; |
130 | ||
131 | struct thermal_cooling_device_ops { | |
6503e5df MG |
132 | int (*get_max_state) (struct thermal_cooling_device *, unsigned long *); |
133 | int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *); | |
134 | int (*set_cur_state) (struct thermal_cooling_device *, unsigned long); | |
35b11d2e JM |
135 | int (*get_requested_power)(struct thermal_cooling_device *, |
136 | struct thermal_zone_device *, u32 *); | |
137 | int (*state2power)(struct thermal_cooling_device *, | |
138 | struct thermal_zone_device *, unsigned long, u32 *); | |
139 | int (*power2state)(struct thermal_cooling_device *, | |
140 | struct thermal_zone_device *, u32, unsigned long *); | |
203d3d4a ZR |
141 | }; |
142 | ||
203d3d4a ZR |
143 | struct thermal_cooling_device { |
144 | int id; | |
145 | char type[THERMAL_NAME_LENGTH]; | |
146 | struct device device; | |
4e5e4705 | 147 | struct device_node *np; |
203d3d4a | 148 | void *devdata; |
5b275ce2 | 149 | const struct thermal_cooling_device_ops *ops; |
ce119f83 | 150 | bool updated; /* true if the cooling device does not need update */ |
f4a821ce | 151 | struct mutex lock; /* protect thermal_instances list */ |
b5e4ae62 | 152 | struct list_head thermal_instances; |
203d3d4a ZR |
153 | struct list_head node; |
154 | }; | |
155 | ||
c56f5c03 D |
156 | struct thermal_attr { |
157 | struct device_attribute attr; | |
158 | char name[THERMAL_NAME_LENGTH]; | |
159 | }; | |
160 | ||
c708a98f JM |
161 | /** |
162 | * struct thermal_zone_device - structure for a thermal zone | |
163 | * @id: unique id number for each thermal zone | |
164 | * @type: the thermal zone device type | |
165 | * @device: &struct device for this thermal zone | |
166 | * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature | |
167 | * @trip_type_attrs: attributes for trip points for sysfs: trip type | |
168 | * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis | |
169 | * @devdata: private pointer for device private data | |
170 | * @trips: number of trip points the thermal zone supports | |
81ad4276 | 171 | * @trips_disabled; bitmap for disabled trips |
c708a98f | 172 | * @passive_delay: number of milliseconds to wait between polls when |
6b775e87 | 173 | * performing passive cooling. |
c708a98f JM |
174 | * @polling_delay: number of milliseconds to wait between polls when |
175 | * checking whether trip points have been crossed (0 for | |
176 | * interrupt driven systems) | |
177 | * @temperature: current temperature. This is only for core code, | |
178 | * drivers should use thermal_zone_get_temp() to get the | |
179 | * current temperature | |
180 | * @last_temperature: previous temperature read | |
181 | * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION | |
182 | * @passive: 1 if you've crossed a passive trip point, 0 otherwise. | |
060c034a SH |
183 | * @prev_low_trip: the low current temperature if you've crossed a passive |
184 | trip point. | |
185 | * @prev_high_trip: the above current temperature if you've crossed a | |
186 | passive trip point. | |
c708a98f JM |
187 | * @forced_passive: If > 0, temperature at which to switch on all ACPI |
188 | * processor cooling devices. Currently only used by the | |
189 | * step-wise governor. | |
4511f716 | 190 | * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. |
c708a98f JM |
191 | * @ops: operations this &thermal_zone_device supports |
192 | * @tzp: thermal zone parameters | |
193 | * @governor: pointer to the governor for this thermal zone | |
e33df1d2 | 194 | * @governor_data: private pointer for governor data |
c708a98f JM |
195 | * @thermal_instances: list of &struct thermal_instance of this thermal zone |
196 | * @idr: &struct idr to generate unique id for this zone's cooling | |
197 | * devices | |
198 | * @lock: lock to protect thermal_instances list | |
199 | * @node: node in thermal_tz_list (in thermal_core.c) | |
200 | * @poll_queue: delayed work for polling | |
0e70f466 | 201 | * @notify_event: Last notification event |
c708a98f | 202 | */ |
203d3d4a ZR |
203 | struct thermal_zone_device { |
204 | int id; | |
205 | char type[THERMAL_NAME_LENGTH]; | |
206 | struct device device; | |
c56f5c03 D |
207 | struct thermal_attr *trip_temp_attrs; |
208 | struct thermal_attr *trip_type_attrs; | |
27365a6c | 209 | struct thermal_attr *trip_hyst_attrs; |
203d3d4a ZR |
210 | void *devdata; |
211 | int trips; | |
81ad4276 | 212 | unsigned long trips_disabled; /* bitmap for disabled trips */ |
b1569e99 MG |
213 | int passive_delay; |
214 | int polling_delay; | |
601f3d42 | 215 | int temperature; |
b1569e99 | 216 | int last_temperature; |
e6e238c3 | 217 | int emul_temperature; |
908b9fb7 | 218 | int passive; |
060c034a SH |
219 | int prev_low_trip; |
220 | int prev_high_trip; | |
03a971a2 | 221 | unsigned int forced_passive; |
4511f716 | 222 | atomic_t need_update; |
4e5e4705 | 223 | struct thermal_zone_device_ops *ops; |
6b775e87 | 224 | struct thermal_zone_params *tzp; |
a4a15485 | 225 | struct thermal_governor *governor; |
e33df1d2 | 226 | void *governor_data; |
2d374139 | 227 | struct list_head thermal_instances; |
203d3d4a | 228 | struct idr idr; |
c708a98f | 229 | struct mutex lock; |
203d3d4a | 230 | struct list_head node; |
b1569e99 | 231 | struct delayed_work poll_queue; |
0e70f466 | 232 | enum thermal_notify_event notify_event; |
203d3d4a | 233 | }; |
4cb18728 | 234 | |
c708a98f JM |
235 | /** |
236 | * struct thermal_governor - structure that holds thermal governor information | |
237 | * @name: name of the governor | |
e33df1d2 JM |
238 | * @bind_to_tz: callback called when binding to a thermal zone. If it |
239 | * returns 0, the governor is bound to the thermal zone, | |
240 | * otherwise it fails. | |
241 | * @unbind_from_tz: callback called when a governor is unbound from a | |
242 | * thermal zone. | |
c708a98f JM |
243 | * @throttle: callback called for every trip point even if temperature is |
244 | * below the trip point temperature | |
245 | * @governor_list: node in thermal_governor_list (in thermal_core.c) | |
246 | */ | |
a4a15485 D |
247 | struct thermal_governor { |
248 | char name[THERMAL_NAME_LENGTH]; | |
e33df1d2 JM |
249 | int (*bind_to_tz)(struct thermal_zone_device *tz); |
250 | void (*unbind_from_tz)(struct thermal_zone_device *tz); | |
a4a15485 D |
251 | int (*throttle)(struct thermal_zone_device *tz, int trip); |
252 | struct list_head governor_list; | |
a4a15485 D |
253 | }; |
254 | ||
ef873947 D |
255 | /* Structure that holds binding parameters for a zone */ |
256 | struct thermal_bind_params { | |
257 | struct thermal_cooling_device *cdev; | |
258 | ||
259 | /* | |
260 | * This is a measure of 'how effectively these devices can | |
bcdcbbc7 JM |
261 | * cool 'this' thermal zone. It shall be determined by |
262 | * platform characterization. This value is relative to the | |
263 | * rest of the weights so a cooling device whose weight is | |
264 | * double that of another cooling device is twice as | |
265 | * effective. See Documentation/thermal/sysfs-api.txt for more | |
266 | * information. | |
ef873947 D |
267 | */ |
268 | int weight; | |
269 | ||
270 | /* | |
271 | * This is a bit mask that gives the binding relation between this | |
272 | * thermal zone and cdev, for a particular trip point. | |
273 | * See Documentation/thermal/sysfs-api.txt for more information. | |
274 | */ | |
275 | int trip_mask; | |
a8892d83 EV |
276 | |
277 | /* | |
278 | * This is an array of cooling state limits. Must have exactly | |
279 | * 2 * thermal_zone.number_of_trip_points. It is an array consisting | |
280 | * of tuples <lower-state upper-state> of state limits. Each trip | |
281 | * will be associated with one state limit tuple when binding. | |
282 | * A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS> | |
283 | * on all trips. | |
284 | */ | |
285 | unsigned long *binding_limits; | |
ef873947 D |
286 | int (*match) (struct thermal_zone_device *tz, |
287 | struct thermal_cooling_device *cdev); | |
288 | }; | |
289 | ||
290 | /* Structure to define Thermal Zone parameters */ | |
291 | struct thermal_zone_params { | |
a4a15485 | 292 | char governor_name[THERMAL_NAME_LENGTH]; |
ccba4ffd EV |
293 | |
294 | /* | |
295 | * a boolean to indicate if the thermal to hwmon sysfs interface | |
296 | * is required. when no_hwmon == false, a hwmon sysfs interface | |
297 | * will be created. when no_hwmon == true, nothing will be done | |
298 | */ | |
299 | bool no_hwmon; | |
300 | ||
ef873947 D |
301 | int num_tbps; /* Number of tbp entries */ |
302 | struct thermal_bind_params *tbp; | |
6b775e87 JM |
303 | |
304 | /* | |
305 | * Sustainable power (heat) that this thermal zone can dissipate in | |
306 | * mW | |
307 | */ | |
308 | u32 sustainable_power; | |
309 | ||
310 | /* | |
311 | * Proportional parameter of the PID controller when | |
312 | * overshooting (i.e., when temperature is below the target) | |
313 | */ | |
314 | s32 k_po; | |
315 | ||
316 | /* | |
317 | * Proportional parameter of the PID controller when | |
318 | * undershooting | |
319 | */ | |
320 | s32 k_pu; | |
321 | ||
322 | /* Integral parameter of the PID controller */ | |
323 | s32 k_i; | |
324 | ||
325 | /* Derivative parameter of the PID controller */ | |
326 | s32 k_d; | |
327 | ||
328 | /* threshold below which the error is no longer accumulated */ | |
329 | s32 integral_cutoff; | |
9d0be7f4 EV |
330 | |
331 | /* | |
332 | * @slope: slope of a linear temperature adjustment curve. | |
333 | * Used by thermal zone drivers. | |
334 | */ | |
335 | int slope; | |
336 | /* | |
337 | * @offset: offset of a linear temperature adjustment curve. | |
338 | * Used by thermal zone drivers (default 0). | |
339 | */ | |
340 | int offset; | |
ef873947 D |
341 | }; |
342 | ||
4cb18728 D |
343 | struct thermal_genl_event { |
344 | u32 orig; | |
345 | enum events event; | |
346 | }; | |
203d3d4a | 347 | |
2251aef6 EV |
348 | /** |
349 | * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones | |
350 | * | |
351 | * Mandatory: | |
352 | * @get_temp: a pointer to a function that reads the sensor temperature. | |
353 | * | |
354 | * Optional: | |
355 | * @get_trend: a pointer to a function that reads the sensor temperature trend. | |
826386e7 SH |
356 | * @set_trips: a pointer to a function that sets a temperature window. When |
357 | * this window is left the driver must inform the thermal core via | |
358 | * thermal_zone_device_update. | |
184a4bf6 LM |
359 | * @set_emul_temp: a pointer to a function that sets sensor emulated |
360 | * temperature. | |
5a5e78cd CW |
361 | * @set_trip_temp: a pointer to a function that sets the trip temperature on |
362 | * hardware. | |
2251aef6 EV |
363 | */ |
364 | struct thermal_zone_of_device_ops { | |
17e8351a | 365 | int (*get_temp)(void *, int *); |
e78eaf45 | 366 | int (*get_trend)(void *, int, enum thermal_trend *); |
826386e7 | 367 | int (*set_trips)(void *, int, int); |
17e8351a | 368 | int (*set_emul_temp)(void *, int); |
c3509521 | 369 | int (*set_trip_temp)(void *, int, int); |
2251aef6 EV |
370 | }; |
371 | ||
ad9914ac LM |
372 | /** |
373 | * struct thermal_trip - representation of a point in temperature domain | |
374 | * @np: pointer to struct device_node that this trip point was created from | |
375 | * @temperature: temperature value in miliCelsius | |
376 | * @hysteresis: relative hysteresis in miliCelsius | |
377 | * @type: trip point type | |
378 | */ | |
379 | ||
380 | struct thermal_trip { | |
381 | struct device_node *np; | |
1d0fd42f WN |
382 | int temperature; |
383 | int hysteresis; | |
ad9914ac LM |
384 | enum thermal_trip_type type; |
385 | }; | |
386 | ||
23064088 | 387 | /* Function declarations */ |
4e5e4705 EV |
388 | #ifdef CONFIG_THERMAL_OF |
389 | struct thermal_zone_device * | |
2251aef6 EV |
390 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
391 | const struct thermal_zone_of_device_ops *ops); | |
4e5e4705 EV |
392 | void thermal_zone_of_sensor_unregister(struct device *dev, |
393 | struct thermal_zone_device *tz); | |
e498b498 LD |
394 | struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
395 | struct device *dev, int id, void *data, | |
396 | const struct thermal_zone_of_device_ops *ops); | |
397 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
398 | struct thermal_zone_device *tz); | |
4e5e4705 EV |
399 | #else |
400 | static inline struct thermal_zone_device * | |
2251aef6 EV |
401 | thermal_zone_of_sensor_register(struct device *dev, int id, void *data, |
402 | const struct thermal_zone_of_device_ops *ops) | |
4e5e4705 | 403 | { |
cd33dc9a | 404 | return ERR_PTR(-ENODEV); |
4e5e4705 EV |
405 | } |
406 | ||
407 | static inline | |
408 | void thermal_zone_of_sensor_unregister(struct device *dev, | |
409 | struct thermal_zone_device *tz) | |
410 | { | |
411 | } | |
412 | ||
e498b498 LD |
413 | static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register( |
414 | struct device *dev, int id, void *data, | |
415 | const struct thermal_zone_of_device_ops *ops) | |
416 | { | |
417 | return ERR_PTR(-ENODEV); | |
418 | } | |
419 | ||
420 | static inline | |
421 | void devm_thermal_zone_of_sensor_unregister(struct device *dev, | |
422 | struct thermal_zone_device *tz) | |
423 | { | |
424 | } | |
425 | ||
4e5e4705 | 426 | #endif |
12ca7188 NM |
427 | |
428 | #if IS_ENABLED(CONFIG_THERMAL) | |
35b11d2e JM |
429 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
430 | { | |
431 | return cdev->ops->get_requested_power && cdev->ops->state2power && | |
432 | cdev->ops->power2state; | |
433 | } | |
434 | ||
435 | int power_actor_get_max_power(struct thermal_cooling_device *, | |
436 | struct thermal_zone_device *tz, u32 *max_power); | |
c973c3bc JM |
437 | int power_actor_get_min_power(struct thermal_cooling_device *, |
438 | struct thermal_zone_device *tz, u32 *min_power); | |
35b11d2e JM |
439 | int power_actor_set_power(struct thermal_cooling_device *, |
440 | struct thermal_instance *, u32); | |
4b1bf587 | 441 | struct thermal_zone_device *thermal_zone_device_register(const char *, int, int, |
4e5e4705 | 442 | void *, struct thermal_zone_device_ops *, |
6b775e87 | 443 | struct thermal_zone_params *, int, int); |
203d3d4a ZR |
444 | void thermal_zone_device_unregister(struct thermal_zone_device *); |
445 | ||
446 | int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int, | |
9d99842f | 447 | struct thermal_cooling_device *, |
6cd9e9f6 KS |
448 | unsigned long, unsigned long, |
449 | unsigned int); | |
203d3d4a ZR |
450 | int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int, |
451 | struct thermal_cooling_device *); | |
0e70f466 SP |
452 | void thermal_zone_device_update(struct thermal_zone_device *, |
453 | enum thermal_notify_event); | |
060c034a | 454 | void thermal_zone_set_trips(struct thermal_zone_device *); |
23064088 | 455 | |
203d3d4a | 456 | struct thermal_cooling_device *thermal_cooling_device_register(char *, void *, |
5b275ce2 | 457 | const struct thermal_cooling_device_ops *); |
a116b5d4 EV |
458 | struct thermal_cooling_device * |
459 | thermal_of_cooling_device_register(struct device_node *np, char *, void *, | |
460 | const struct thermal_cooling_device_ops *); | |
203d3d4a | 461 | void thermal_cooling_device_unregister(struct thermal_cooling_device *); |
63c4d919 | 462 | struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name); |
17e8351a | 463 | int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); |
4a7069a3 RN |
464 | int thermal_zone_get_slope(struct thermal_zone_device *tz); |
465 | int thermal_zone_get_offset(struct thermal_zone_device *tz); | |
af06216a | 466 | |
9b4298a0 D |
467 | int get_tz_trend(struct thermal_zone_device *, int); |
468 | struct thermal_instance *get_thermal_instance(struct thermal_zone_device *, | |
469 | struct thermal_cooling_device *, int); | |
dc765482 | 470 | void thermal_cdev_update(struct thermal_cooling_device *); |
7b73c993 | 471 | void thermal_notify_framework(struct thermal_zone_device *, int); |
12ca7188 | 472 | #else |
35b11d2e JM |
473 | static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev) |
474 | { return false; } | |
475 | static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev, | |
476 | struct thermal_zone_device *tz, u32 *max_power) | |
477 | { return 0; } | |
c973c3bc JM |
478 | static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev, |
479 | struct thermal_zone_device *tz, | |
480 | u32 *min_power) | |
481 | { return -ENODEV; } | |
35b11d2e JM |
482 | static inline int power_actor_set_power(struct thermal_cooling_device *cdev, |
483 | struct thermal_instance *tz, u32 power) | |
484 | { return 0; } | |
12ca7188 NM |
485 | static inline struct thermal_zone_device *thermal_zone_device_register( |
486 | const char *type, int trips, int mask, void *devdata, | |
487 | struct thermal_zone_device_ops *ops, | |
488 | const struct thermal_zone_params *tzp, | |
489 | int passive_delay, int polling_delay) | |
490 | { return ERR_PTR(-ENODEV); } | |
491 | static inline void thermal_zone_device_unregister( | |
492 | struct thermal_zone_device *tz) | |
493 | { } | |
494 | static inline int thermal_zone_bind_cooling_device( | |
495 | struct thermal_zone_device *tz, int trip, | |
496 | struct thermal_cooling_device *cdev, | |
c86b3de8 AB |
497 | unsigned long upper, unsigned long lower, |
498 | unsigned int weight) | |
12ca7188 NM |
499 | { return -ENODEV; } |
500 | static inline int thermal_zone_unbind_cooling_device( | |
501 | struct thermal_zone_device *tz, int trip, | |
502 | struct thermal_cooling_device *cdev) | |
503 | { return -ENODEV; } | |
0e70f466 SP |
504 | static inline void thermal_zone_device_update(struct thermal_zone_device *tz, |
505 | enum thermal_notify_event event) | |
12ca7188 | 506 | { } |
060c034a SH |
507 | static inline void thermal_zone_set_trips(struct thermal_zone_device *tz) |
508 | { } | |
12ca7188 NM |
509 | static inline struct thermal_cooling_device * |
510 | thermal_cooling_device_register(char *type, void *devdata, | |
511 | const struct thermal_cooling_device_ops *ops) | |
512 | { return ERR_PTR(-ENODEV); } | |
513 | static inline struct thermal_cooling_device * | |
514 | thermal_of_cooling_device_register(struct device_node *np, | |
515 | char *type, void *devdata, const struct thermal_cooling_device_ops *ops) | |
516 | { return ERR_PTR(-ENODEV); } | |
517 | static inline void thermal_cooling_device_unregister( | |
518 | struct thermal_cooling_device *cdev) | |
519 | { } | |
520 | static inline struct thermal_zone_device *thermal_zone_get_zone_by_name( | |
521 | const char *name) | |
522 | { return ERR_PTR(-ENODEV); } | |
523 | static inline int thermal_zone_get_temp( | |
17e8351a | 524 | struct thermal_zone_device *tz, int *temp) |
12ca7188 | 525 | { return -ENODEV; } |
4a7069a3 RN |
526 | static inline int thermal_zone_get_slope( |
527 | struct thermal_zone_device *tz) | |
528 | { return -ENODEV; } | |
529 | static inline int thermal_zone_get_offset( | |
530 | struct thermal_zone_device *tz) | |
531 | { return -ENODEV; } | |
12ca7188 NM |
532 | static inline int get_tz_trend(struct thermal_zone_device *tz, int trip) |
533 | { return -ENODEV; } | |
534 | static inline struct thermal_instance * | |
535 | get_thermal_instance(struct thermal_zone_device *tz, | |
536 | struct thermal_cooling_device *cdev, int trip) | |
537 | { return ERR_PTR(-ENODEV); } | |
538 | static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) | |
539 | { } | |
540 | static inline void thermal_notify_framework(struct thermal_zone_device *tz, | |
541 | int trip) | |
542 | { } | |
543 | #endif /* CONFIG_THERMAL */ | |
544 | ||
545 | #if defined(CONFIG_NET) && IS_ENABLED(CONFIG_THERMAL) | |
8ab3e6a0 EV |
546 | extern int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
547 | enum events event); | |
af06216a | 548 | #else |
f8b58705 | 549 | static inline int thermal_generate_netlink_event(struct thermal_zone_device *tz, |
8ab3e6a0 | 550 | enum events event) |
af06216a RW |
551 | { |
552 | return 0; | |
553 | } | |
554 | #endif | |
203d3d4a | 555 | |
a0dd25b2 | 556 | #endif /* __THERMAL_H__ */ |