1 /*
2  * Copyright (c) 2014 Qualcomm Atheros, Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 #ifndef _THERMAL_
17 #define _THERMAL_
18 
19 #define ATH10K_QUIET_PERIOD_DEFAULT     100
20 #define ATH10K_QUIET_PERIOD_MIN         25
21 #define ATH10K_QUIET_START_OFFSET       10
22 #define ATH10K_HWMON_NAME_LEN           15
23 #define ATH10K_THERMAL_SYNC_TIMEOUT_HZ (5*HZ)
24 #define ATH10K_THERMAL_THROTTLE_MAX     100
25 
26 struct ath10k_thermal {
27 	struct thermal_cooling_device *cdev;
28 	struct completion wmi_sync;
29 
30 	/* protected by conf_mutex */
31 	u32 throttle_state;
32 	u32 quiet_period;
33 	/* temperature value in Celcius degree
34 	 * protected by data_lock
35 	 */
36 	int temperature;
37 };
38 
39 #ifdef CONFIG_THERMAL
40 int ath10k_thermal_register(struct ath10k *ar);
41 void ath10k_thermal_unregister(struct ath10k *ar);
42 void ath10k_thermal_event_temperature(struct ath10k *ar, int temperature);
43 void ath10k_thermal_set_throttling(struct ath10k *ar);
44 #else
45 static inline int ath10k_thermal_register(struct ath10k *ar)
46 {
47 	return 0;
48 }
49 
50 static inline void ath10k_thermal_unregister(struct ath10k *ar)
51 {
52 }
53 
54 static inline void ath10k_thermal_event_temperature(struct ath10k *ar,
55 						    int temperature)
56 {
57 }
58 
59 static inline void ath10k_thermal_set_throttling(struct ath10k *ar)
60 {
61 }
62 
63 #endif
64 #endif /* _THERMAL_ */
65