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1 : : /* SPDX-License-Identifier: GPL-2.0 */
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>
8 : : */
9 : :
10 : : #ifndef __THERMAL_H__
11 : : #define __THERMAL_H__
12 : :
13 : : #include <linux/of.h>
14 : : #include <linux/idr.h>
15 : : #include <linux/device.h>
16 : : #include <linux/sysfs.h>
17 : : #include <linux/workqueue.h>
18 : : #include <uapi/linux/thermal.h>
19 : :
20 : : #define THERMAL_TRIPS_NONE -1
21 : : #define THERMAL_MAX_TRIPS 12
22 : :
23 : : /* invalid cooling state */
24 : : #define THERMAL_CSTATE_INVALID -1UL
25 : :
26 : : /* No upper/lower limit requirement */
27 : : #define THERMAL_NO_LIMIT ((u32)~0)
28 : :
29 : : /* Default weight of a bound cooling device */
30 : : #define THERMAL_WEIGHT_DEFAULT 0
31 : :
32 : : /* use value, which < 0K, to indicate an invalid/uninitialized temperature */
33 : : #define THERMAL_TEMP_INVALID -274000
34 : :
35 : : /* Default Thermal Governor */
36 : : #if defined(CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE)
37 : : #define DEFAULT_THERMAL_GOVERNOR "step_wise"
38 : : #elif defined(CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE)
39 : : #define DEFAULT_THERMAL_GOVERNOR "fair_share"
40 : : #elif defined(CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE)
41 : : #define DEFAULT_THERMAL_GOVERNOR "user_space"
42 : : #elif defined(CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR)
43 : : #define DEFAULT_THERMAL_GOVERNOR "power_allocator"
44 : : #endif
45 : :
46 : : struct thermal_zone_device;
47 : : struct thermal_cooling_device;
48 : : struct thermal_instance;
49 : :
50 : : enum thermal_device_mode {
51 : : THERMAL_DEVICE_DISABLED = 0,
52 : : THERMAL_DEVICE_ENABLED,
53 : : };
54 : :
55 : : enum thermal_trip_type {
56 : : THERMAL_TRIP_ACTIVE = 0,
57 : : THERMAL_TRIP_PASSIVE,
58 : : THERMAL_TRIP_HOT,
59 : : THERMAL_TRIP_CRITICAL,
60 : : };
61 : :
62 : : enum thermal_trend {
63 : : THERMAL_TREND_STABLE, /* temperature is stable */
64 : : THERMAL_TREND_RAISING, /* temperature is raising */
65 : : THERMAL_TREND_DROPPING, /* temperature is dropping */
66 : : THERMAL_TREND_RAISE_FULL, /* apply highest cooling action */
67 : : THERMAL_TREND_DROP_FULL, /* apply lowest cooling action */
68 : : };
69 : :
70 : : /* Thermal notification reason */
71 : : enum thermal_notify_event {
72 : : THERMAL_EVENT_UNSPECIFIED, /* Unspecified event */
73 : : THERMAL_EVENT_TEMP_SAMPLE, /* New Temperature sample */
74 : : THERMAL_TRIP_VIOLATED, /* TRIP Point violation */
75 : : THERMAL_TRIP_CHANGED, /* TRIP Point temperature changed */
76 : : THERMAL_DEVICE_DOWN, /* Thermal device is down */
77 : : THERMAL_DEVICE_UP, /* Thermal device is up after a down event */
78 : : THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */
79 : : THERMAL_TABLE_CHANGED, /* Thermal table(s) changed */
80 : : };
81 : :
82 : : struct thermal_zone_device_ops {
83 : : int (*bind) (struct thermal_zone_device *,
84 : : struct thermal_cooling_device *);
85 : : int (*unbind) (struct thermal_zone_device *,
86 : : struct thermal_cooling_device *);
87 : : int (*get_temp) (struct thermal_zone_device *, int *);
88 : : int (*set_trips) (struct thermal_zone_device *, int, int);
89 : : int (*get_mode) (struct thermal_zone_device *,
90 : : enum thermal_device_mode *);
91 : : int (*set_mode) (struct thermal_zone_device *,
92 : : enum thermal_device_mode);
93 : : int (*get_trip_type) (struct thermal_zone_device *, int,
94 : : enum thermal_trip_type *);
95 : : int (*get_trip_temp) (struct thermal_zone_device *, int, int *);
96 : : int (*set_trip_temp) (struct thermal_zone_device *, int, int);
97 : : int (*get_trip_hyst) (struct thermal_zone_device *, int, int *);
98 : : int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
99 : : int (*get_crit_temp) (struct thermal_zone_device *, int *);
100 : : int (*set_emul_temp) (struct thermal_zone_device *, int);
101 : : int (*get_trend) (struct thermal_zone_device *, int,
102 : : enum thermal_trend *);
103 : : int (*notify) (struct thermal_zone_device *, int,
104 : : enum thermal_trip_type);
105 : : };
106 : :
107 : : struct thermal_cooling_device_ops {
108 : : int (*get_max_state) (struct thermal_cooling_device *, unsigned long *);
109 : : int (*get_cur_state) (struct thermal_cooling_device *, unsigned long *);
110 : : int (*set_cur_state) (struct thermal_cooling_device *, unsigned long);
111 : : int (*get_requested_power)(struct thermal_cooling_device *,
112 : : struct thermal_zone_device *, u32 *);
113 : : int (*state2power)(struct thermal_cooling_device *,
114 : : struct thermal_zone_device *, unsigned long, u32 *);
115 : : int (*power2state)(struct thermal_cooling_device *,
116 : : struct thermal_zone_device *, u32, unsigned long *);
117 : : };
118 : :
119 : : struct thermal_cooling_device {
120 : : int id;
121 : : char type[THERMAL_NAME_LENGTH];
122 : : struct device device;
123 : : struct device_node *np;
124 : : void *devdata;
125 : : void *stats;
126 : : const struct thermal_cooling_device_ops *ops;
127 : : bool updated; /* true if the cooling device does not need update */
128 : : struct mutex lock; /* protect thermal_instances list */
129 : : struct list_head thermal_instances;
130 : : struct list_head node;
131 : : };
132 : :
133 : : struct thermal_attr {
134 : : struct device_attribute attr;
135 : : char name[THERMAL_NAME_LENGTH];
136 : : };
137 : :
138 : : /**
139 : : * struct thermal_zone_device - structure for a thermal zone
140 : : * @id: unique id number for each thermal zone
141 : : * @type: the thermal zone device type
142 : : * @device: &struct device for this thermal zone
143 : : * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature
144 : : * @trip_type_attrs: attributes for trip points for sysfs: trip type
145 : : * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
146 : : * @devdata: private pointer for device private data
147 : : * @trips: number of trip points the thermal zone supports
148 : : * @trips_disabled; bitmap for disabled trips
149 : : * @passive_delay: number of milliseconds to wait between polls when
150 : : * performing passive cooling.
151 : : * @polling_delay: number of milliseconds to wait between polls when
152 : : * checking whether trip points have been crossed (0 for
153 : : * interrupt driven systems)
154 : : * @temperature: current temperature. This is only for core code,
155 : : * drivers should use thermal_zone_get_temp() to get the
156 : : * current temperature
157 : : * @last_temperature: previous temperature read
158 : : * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION
159 : : * @passive: 1 if you've crossed a passive trip point, 0 otherwise.
160 : : * @prev_low_trip: the low current temperature if you've crossed a passive
161 : : trip point.
162 : : * @prev_high_trip: the above current temperature if you've crossed a
163 : : passive trip point.
164 : : * @forced_passive: If > 0, temperature at which to switch on all ACPI
165 : : * processor cooling devices. Currently only used by the
166 : : * step-wise governor.
167 : : * @need_update: if equals 1, thermal_zone_device_update needs to be invoked.
168 : : * @ops: operations this &thermal_zone_device supports
169 : : * @tzp: thermal zone parameters
170 : : * @governor: pointer to the governor for this thermal zone
171 : : * @governor_data: private pointer for governor data
172 : : * @thermal_instances: list of &struct thermal_instance of this thermal zone
173 : : * @ida: &struct ida 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 : : * @notify_event: Last notification event
179 : : */
180 : : struct thermal_zone_device {
181 : : int id;
182 : : char type[THERMAL_NAME_LENGTH];
183 : : struct device device;
184 : : struct attribute_group trips_attribute_group;
185 : : struct thermal_attr *trip_temp_attrs;
186 : : struct thermal_attr *trip_type_attrs;
187 : : struct thermal_attr *trip_hyst_attrs;
188 : : void *devdata;
189 : : int trips;
190 : : unsigned long trips_disabled; /* bitmap for disabled trips */
191 : : int passive_delay;
192 : : int polling_delay;
193 : : int temperature;
194 : : int last_temperature;
195 : : int emul_temperature;
196 : : int passive;
197 : : int prev_low_trip;
198 : : int prev_high_trip;
199 : : unsigned int forced_passive;
200 : : atomic_t need_update;
201 : : struct thermal_zone_device_ops *ops;
202 : : struct thermal_zone_params *tzp;
203 : : struct thermal_governor *governor;
204 : : void *governor_data;
205 : : struct list_head thermal_instances;
206 : : struct ida ida;
207 : : struct mutex lock;
208 : : struct list_head node;
209 : : struct delayed_work poll_queue;
210 : : enum thermal_notify_event notify_event;
211 : : };
212 : :
213 : : /**
214 : : * struct thermal_governor - structure that holds thermal governor information
215 : : * @name: name of the governor
216 : : * @bind_to_tz: callback called when binding to a thermal zone. If it
217 : : * returns 0, the governor is bound to the thermal zone,
218 : : * otherwise it fails.
219 : : * @unbind_from_tz: callback called when a governor is unbound from a
220 : : * thermal zone.
221 : : * @throttle: callback called for every trip point even if temperature is
222 : : * below the trip point temperature
223 : : * @governor_list: node in thermal_governor_list (in thermal_core.c)
224 : : */
225 : : struct thermal_governor {
226 : : char name[THERMAL_NAME_LENGTH];
227 : : int (*bind_to_tz)(struct thermal_zone_device *tz);
228 : : void (*unbind_from_tz)(struct thermal_zone_device *tz);
229 : : int (*throttle)(struct thermal_zone_device *tz, int trip);
230 : : struct list_head governor_list;
231 : : };
232 : :
233 : : /* Structure that holds binding parameters for a zone */
234 : : struct thermal_bind_params {
235 : : struct thermal_cooling_device *cdev;
236 : :
237 : : /*
238 : : * This is a measure of 'how effectively these devices can
239 : : * cool 'this' thermal zone. It shall be determined by
240 : : * platform characterization. This value is relative to the
241 : : * rest of the weights so a cooling device whose weight is
242 : : * double that of another cooling device is twice as
243 : : * effective. See Documentation/driver-api/thermal/sysfs-api.rst for more
244 : : * information.
245 : : */
246 : : int weight;
247 : :
248 : : /*
249 : : * This is a bit mask that gives the binding relation between this
250 : : * thermal zone and cdev, for a particular trip point.
251 : : * See Documentation/driver-api/thermal/sysfs-api.rst for more information.
252 : : */
253 : : int trip_mask;
254 : :
255 : : /*
256 : : * This is an array of cooling state limits. Must have exactly
257 : : * 2 * thermal_zone.number_of_trip_points. It is an array consisting
258 : : * of tuples <lower-state upper-state> of state limits. Each trip
259 : : * will be associated with one state limit tuple when binding.
260 : : * A NULL pointer means <THERMAL_NO_LIMITS THERMAL_NO_LIMITS>
261 : : * on all trips.
262 : : */
263 : : unsigned long *binding_limits;
264 : : int (*match) (struct thermal_zone_device *tz,
265 : : struct thermal_cooling_device *cdev);
266 : : };
267 : :
268 : : /* Structure to define Thermal Zone parameters */
269 : : struct thermal_zone_params {
270 : : char governor_name[THERMAL_NAME_LENGTH];
271 : :
272 : : /*
273 : : * a boolean to indicate if the thermal to hwmon sysfs interface
274 : : * is required. when no_hwmon == false, a hwmon sysfs interface
275 : : * will be created. when no_hwmon == true, nothing will be done
276 : : */
277 : : bool no_hwmon;
278 : :
279 : : int num_tbps; /* Number of tbp entries */
280 : : struct thermal_bind_params *tbp;
281 : :
282 : : /*
283 : : * Sustainable power (heat) that this thermal zone can dissipate in
284 : : * mW
285 : : */
286 : : u32 sustainable_power;
287 : :
288 : : /*
289 : : * Proportional parameter of the PID controller when
290 : : * overshooting (i.e., when temperature is below the target)
291 : : */
292 : : s32 k_po;
293 : :
294 : : /*
295 : : * Proportional parameter of the PID controller when
296 : : * undershooting
297 : : */
298 : : s32 k_pu;
299 : :
300 : : /* Integral parameter of the PID controller */
301 : : s32 k_i;
302 : :
303 : : /* Derivative parameter of the PID controller */
304 : : s32 k_d;
305 : :
306 : : /* threshold below which the error is no longer accumulated */
307 : : s32 integral_cutoff;
308 : :
309 : : /*
310 : : * @slope: slope of a linear temperature adjustment curve.
311 : : * Used by thermal zone drivers.
312 : : */
313 : : int slope;
314 : : /*
315 : : * @offset: offset of a linear temperature adjustment curve.
316 : : * Used by thermal zone drivers (default 0).
317 : : */
318 : : int offset;
319 : : };
320 : :
321 : : struct thermal_genl_event {
322 : : u32 orig;
323 : : enum events event;
324 : : };
325 : :
326 : : /**
327 : : * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones
328 : : *
329 : : * Mandatory:
330 : : * @get_temp: a pointer to a function that reads the sensor temperature.
331 : : *
332 : : * Optional:
333 : : * @get_trend: a pointer to a function that reads the sensor temperature trend.
334 : : * @set_trips: a pointer to a function that sets a temperature window. When
335 : : * this window is left the driver must inform the thermal core via
336 : : * thermal_zone_device_update.
337 : : * @set_emul_temp: a pointer to a function that sets sensor emulated
338 : : * temperature.
339 : : * @set_trip_temp: a pointer to a function that sets the trip temperature on
340 : : * hardware.
341 : : */
342 : : struct thermal_zone_of_device_ops {
343 : : int (*get_temp)(void *, int *);
344 : : int (*get_trend)(void *, int, enum thermal_trend *);
345 : : int (*set_trips)(void *, int, int);
346 : : int (*set_emul_temp)(void *, int);
347 : : int (*set_trip_temp)(void *, int, int);
348 : : };
349 : :
350 : : /**
351 : : * struct thermal_trip - representation of a point in temperature domain
352 : : * @np: pointer to struct device_node that this trip point was created from
353 : : * @temperature: temperature value in miliCelsius
354 : : * @hysteresis: relative hysteresis in miliCelsius
355 : : * @type: trip point type
356 : : */
357 : :
358 : : struct thermal_trip {
359 : : struct device_node *np;
360 : : int temperature;
361 : : int hysteresis;
362 : : enum thermal_trip_type type;
363 : : };
364 : :
365 : : /* Function declarations */
366 : : #ifdef CONFIG_THERMAL_OF
367 : : struct thermal_zone_device *
368 : : thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
369 : : const struct thermal_zone_of_device_ops *ops);
370 : : void thermal_zone_of_sensor_unregister(struct device *dev,
371 : : struct thermal_zone_device *tz);
372 : : struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
373 : : struct device *dev, int id, void *data,
374 : : const struct thermal_zone_of_device_ops *ops);
375 : : void devm_thermal_zone_of_sensor_unregister(struct device *dev,
376 : : struct thermal_zone_device *tz);
377 : : #else
378 : : static inline struct thermal_zone_device *
379 : : thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
380 : : const struct thermal_zone_of_device_ops *ops)
381 : : {
382 : : return ERR_PTR(-ENODEV);
383 : : }
384 : :
385 : : static inline
386 : : void thermal_zone_of_sensor_unregister(struct device *dev,
387 : : struct thermal_zone_device *tz)
388 : : {
389 : : }
390 : :
391 : : static inline struct thermal_zone_device *devm_thermal_zone_of_sensor_register(
392 : : struct device *dev, int id, void *data,
393 : : const struct thermal_zone_of_device_ops *ops)
394 : : {
395 : : return ERR_PTR(-ENODEV);
396 : : }
397 : :
398 : : static inline
399 : : void devm_thermal_zone_of_sensor_unregister(struct device *dev,
400 : : struct thermal_zone_device *tz)
401 : : {
402 : : }
403 : :
404 : : #endif
405 : :
406 : : #if IS_ENABLED(CONFIG_THERMAL)
407 : 0 : static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
408 : : {
409 [ # # # # : 0 : return cdev->ops->get_requested_power && cdev->ops->state2power &&
# # # # #
# # # # #
# # # # ]
410 [ # # # # : 0 : cdev->ops->power2state;
# # ]
411 : : }
412 : :
413 : : int power_actor_get_max_power(struct thermal_cooling_device *,
414 : : struct thermal_zone_device *tz, u32 *max_power);
415 : : int power_actor_get_min_power(struct thermal_cooling_device *,
416 : : struct thermal_zone_device *tz, u32 *min_power);
417 : : int power_actor_set_power(struct thermal_cooling_device *,
418 : : struct thermal_instance *, u32);
419 : : struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
420 : : void *, struct thermal_zone_device_ops *,
421 : : struct thermal_zone_params *, int, int);
422 : : void thermal_zone_device_unregister(struct thermal_zone_device *);
423 : :
424 : : int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
425 : : struct thermal_cooling_device *,
426 : : unsigned long, unsigned long,
427 : : unsigned int);
428 : : int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
429 : : struct thermal_cooling_device *);
430 : : void thermal_zone_device_update(struct thermal_zone_device *,
431 : : enum thermal_notify_event);
432 : : void thermal_zone_set_trips(struct thermal_zone_device *);
433 : :
434 : : struct thermal_cooling_device *thermal_cooling_device_register(const char *,
435 : : void *, const struct thermal_cooling_device_ops *);
436 : : struct thermal_cooling_device *
437 : : thermal_of_cooling_device_register(struct device_node *np, const char *, void *,
438 : : const struct thermal_cooling_device_ops *);
439 : : struct thermal_cooling_device *
440 : : devm_thermal_of_cooling_device_register(struct device *dev,
441 : : struct device_node *np,
442 : : char *type, void *devdata,
443 : : const struct thermal_cooling_device_ops *ops);
444 : : void thermal_cooling_device_unregister(struct thermal_cooling_device *);
445 : : struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
446 : : int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
447 : : int thermal_zone_get_slope(struct thermal_zone_device *tz);
448 : : int thermal_zone_get_offset(struct thermal_zone_device *tz);
449 : :
450 : : int get_tz_trend(struct thermal_zone_device *, int);
451 : : struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
452 : : struct thermal_cooling_device *, int);
453 : : void thermal_cdev_update(struct thermal_cooling_device *);
454 : : void thermal_notify_framework(struct thermal_zone_device *, int);
455 : : #else
456 : : static inline bool cdev_is_power_actor(struct thermal_cooling_device *cdev)
457 : : { return false; }
458 : : static inline int power_actor_get_max_power(struct thermal_cooling_device *cdev,
459 : : struct thermal_zone_device *tz, u32 *max_power)
460 : : { return 0; }
461 : : static inline int power_actor_get_min_power(struct thermal_cooling_device *cdev,
462 : : struct thermal_zone_device *tz,
463 : : u32 *min_power)
464 : : { return -ENODEV; }
465 : : static inline int power_actor_set_power(struct thermal_cooling_device *cdev,
466 : : struct thermal_instance *tz, u32 power)
467 : : { return 0; }
468 : : static inline struct thermal_zone_device *thermal_zone_device_register(
469 : : const char *type, int trips, int mask, void *devdata,
470 : : struct thermal_zone_device_ops *ops,
471 : : struct thermal_zone_params *tzp,
472 : : int passive_delay, int polling_delay)
473 : : { return ERR_PTR(-ENODEV); }
474 : : static inline void thermal_zone_device_unregister(
475 : : struct thermal_zone_device *tz)
476 : : { }
477 : : static inline int thermal_zone_bind_cooling_device(
478 : : struct thermal_zone_device *tz, int trip,
479 : : struct thermal_cooling_device *cdev,
480 : : unsigned long upper, unsigned long lower,
481 : : unsigned int weight)
482 : : { return -ENODEV; }
483 : : static inline int thermal_zone_unbind_cooling_device(
484 : : struct thermal_zone_device *tz, int trip,
485 : : struct thermal_cooling_device *cdev)
486 : : { return -ENODEV; }
487 : : static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
488 : : enum thermal_notify_event event)
489 : : { }
490 : : static inline void thermal_zone_set_trips(struct thermal_zone_device *tz)
491 : : { }
492 : : static inline struct thermal_cooling_device *
493 : : thermal_cooling_device_register(char *type, void *devdata,
494 : : const struct thermal_cooling_device_ops *ops)
495 : : { return ERR_PTR(-ENODEV); }
496 : : static inline struct thermal_cooling_device *
497 : : thermal_of_cooling_device_register(struct device_node *np,
498 : : char *type, void *devdata, const struct thermal_cooling_device_ops *ops)
499 : : { return ERR_PTR(-ENODEV); }
500 : : static inline struct thermal_cooling_device *
501 : : devm_thermal_of_cooling_device_register(struct device *dev,
502 : : struct device_node *np,
503 : : char *type, void *devdata,
504 : : const struct thermal_cooling_device_ops *ops)
505 : : {
506 : : return ERR_PTR(-ENODEV);
507 : : }
508 : : static inline void thermal_cooling_device_unregister(
509 : : struct thermal_cooling_device *cdev)
510 : : { }
511 : : static inline struct thermal_zone_device *thermal_zone_get_zone_by_name(
512 : : const char *name)
513 : : { return ERR_PTR(-ENODEV); }
514 : : static inline int thermal_zone_get_temp(
515 : : struct thermal_zone_device *tz, int *temp)
516 : : { return -ENODEV; }
517 : : static inline int thermal_zone_get_slope(
518 : : struct thermal_zone_device *tz)
519 : : { return -ENODEV; }
520 : : static inline int thermal_zone_get_offset(
521 : : struct thermal_zone_device *tz)
522 : : { return -ENODEV; }
523 : : static inline int get_tz_trend(struct thermal_zone_device *tz, int trip)
524 : : { return -ENODEV; }
525 : : static inline struct thermal_instance *
526 : : get_thermal_instance(struct thermal_zone_device *tz,
527 : : struct thermal_cooling_device *cdev, int trip)
528 : : { return ERR_PTR(-ENODEV); }
529 : : static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
530 : : { }
531 : : static inline void thermal_notify_framework(struct thermal_zone_device *tz,
532 : : int trip)
533 : : { }
534 : : #endif /* CONFIG_THERMAL */
535 : :
536 : : #endif /* __THERMAL_H__ */
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