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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ac2953fcc3
Temperature sensor generates electrical analog voltage from temperature of each chain. The analog voltage is converted to digital value through ADC. For reading temperature values fom user space, hw monitoring device is used. Whenever the user requests for current temperature, the driver sends WMI command and wait for response. For reading temperature, cat /sys/class/ieee80211/phy*/device/hwmon/hwmon2/temp1_input Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* Copyright (c) 2014 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _THERMAL_
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#define _THERMAL_
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#define ATH10K_QUIET_PERIOD_DEFAULT 100
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#define ATH10K_QUIET_PERIOD_MIN 25
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#define ATH10K_QUIET_START_OFFSET 10
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#define ATH10K_QUIET_DUTY_CYCLE_MAX 70
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#define ATH10K_HWMON_NAME_LEN 15
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#define ATH10K_THERMAL_SYNC_TIMEOUT_HZ (5*HZ)
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struct ath10k_thermal {
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struct thermal_cooling_device *cdev;
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struct completion wmi_sync;
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/* protected by conf_mutex */
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u32 duty_cycle;
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/* temperature value in Celcius degree
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* protected by data_lock
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*/
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int temperature;
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};
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#ifdef CONFIG_THERMAL
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int ath10k_thermal_register(struct ath10k *ar);
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void ath10k_thermal_unregister(struct ath10k *ar);
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void ath10k_thermal_event_temperature(struct ath10k *ar, int temperature);
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#else
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static inline int ath10k_thermal_register(struct ath10k *ar)
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{
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return 0;
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}
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static inline void ath10k_thermal_unregister(struct ath10k *ar)
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{
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}
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static inline void ath10k_thermal_event_temperature(struct ath10k *ar,
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int temperature)
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{
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}
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#endif
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#endif /* _THERMAL_ */
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