ath/ath10k/thermal.c

29 	struct ath10k *ar = cdev->devdata;
31 	mutex_lock(&ar->conf_mutex);
32 	*state = ar->thermal.throttle_state;
33 	mutex_unlock(&ar->conf_mutex);
42 	struct ath10k *ar = cdev->devdata;
45 		ath10k_warn(ar, "throttle state %ld is exceeding the limit %d\n",
49 	mutex_lock(&ar->conf_mutex);
50 	ar->thermal.throttle_state = throttle_state;
51 	ath10k_thermal_set_throttling(ar);
52 	mutex_unlock(&ar->conf_mutex);
66 	struct ath10k *ar = dev_get_drvdata(dev);
70 	mutex_lock(&ar->conf_mutex);
73 	if (ar->state != ATH10K_STATE_ON) {
78 	reinit_completion(&ar->thermal.wmi_sync);
79 	ret = ath10k_wmi_pdev_get_temperature(ar);
81 		ath10k_warn(ar, "failed to read temperature %d\n", ret);
85 	if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) {
90 	time_left = wait_for_completion_timeout(&ar->thermal.wmi_sync,
93 		ath10k_warn(ar, "failed to synchronize thermal read\n");
98 	spin_lock_bh(&ar->data_lock);
99 	temperature = ar->thermal.temperature;
100 	spin_unlock_bh(&ar->data_lock);
105 	mutex_unlock(&ar->conf_mutex);
109 void ath10k_thermal_event_temperature(struct ath10k *ar, int temperature)
111 	spin_lock_bh(&ar->data_lock);
112 	ar->thermal.temperature = temperature;
113 	spin_unlock_bh(&ar->data_lock);
114 	complete(&ar->thermal.wmi_sync);
126 void ath10k_thermal_set_throttling(struct ath10k *ar)
131 	lockdep_assert_held(&ar->conf_mutex);
133 	if (!test_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map))
136 	if (!ar->wmi.ops->gen_pdev_set_quiet_mode)
139 	if (ar->state != ATH10K_STATE_ON)
142 	period = ar->thermal.quiet_period;
143 	duration = (period * ar->thermal.throttle_state) / 100;
146 	ret = ath10k_wmi_pdev_set_quiet_mode(ar, period, duration,
150 		ath10k_warn(ar, "failed to set quiet mode period %u duarion %u enabled %u ret %d\n",
155 int ath10k_thermal_register(struct ath10k *ar)
161 	if (!test_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map))
164 	cdev = thermal_cooling_device_register("ath10k_thermal", ar,
168 		ath10k_err(ar, "failed to setup thermal device result: %ld\n",
173 	ret = sysfs_create_link(&ar->dev->kobj, &cdev->device.kobj,
176 		ath10k_err(ar, "failed to create cooling device symlink\n");
180 	ar->thermal.cdev = cdev;
181 	ar->thermal.quiet_period = ATH10K_QUIET_PERIOD_DEFAULT;
186 	if (!(ar->wmi.ops->gen_pdev_get_temperature))
195 	hwmon_dev = devm_hwmon_device_register_with_groups(ar->dev,
196 							   "ath10k_hwmon", ar,
199 		ath10k_err(ar, "failed to register hwmon device: %ld\n",
207 	sysfs_remove_link(&ar->dev->kobj, "cooling_device");
213 void ath10k_thermal_unregister(struct ath10k *ar)
215 	if (!test_bit(WMI_SERVICE_THERM_THROT, ar->wmi.svc_map))
218 	sysfs_remove_link(&ar->dev->kobj, "cooling_device");
219 	thermal_cooling_device_unregister(ar->thermal.cdev);