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

/*
 * Copyright (c) 2014 Qualcomm Atheros, Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef _THERMAL_
#define _THERMAL_

#define ATH10K_QUIET_PERIOD_DEFAULT     100
#define ATH10K_QUIET_PERIOD_MIN         25
#define ATH10K_QUIET_START_OFFSET       10
#define ATH10K_QUIET_DUTY_CYCLE_MAX     70
#define ATH10K_HWMON_NAME_LEN           15
#define ATH10K_THERMAL_SYNC_TIMEOUT_HZ (5*HZ)

struct ath10k_thermal {
	struct thermal_cooling_device *cdev;
	struct completion wmi_sync;

	/* protected by conf_mutex */
	u32 duty_cycle;
	/* temperature value in Celcius degree
	 * protected by data_lock
	 */
	int temperature;
};

#ifdef CONFIG_THERMAL
int ath10k_thermal_register(struct ath10k *ar);
void ath10k_thermal_unregister(struct ath10k *ar);
void ath10k_thermal_event_temperature(struct ath10k *ar, int temperature);
#else
static inline int ath10k_thermal_register(struct ath10k *ar)
{
	return 0;
}

static inline void ath10k_thermal_unregister(struct ath10k *ar)
{
}

static inline void ath10k_thermal_event_temperature(struct ath10k *ar,
						    int temperature)
{
}

#endif
#endif /* _THERMAL_ */