drivers/net/wireless/ath/ath10k/thermal.h

   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 #if IS_REACHABLE(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_ */