173 struct drvdata {  struct
221 static void handle_fan_config_report(struct drvdata *drvdata, void *data, int size)  in handle_fan_config_report()  argument
232 	spin_lock(&drvdata->wq.lock);  in handle_fan_config_report()
235 		drvdata->fan_type[i] = report->fan_type[i];  in handle_fan_config_report()
237 	drvdata->fan_config_received = true;  in handle_fan_config_report()
238 	wake_up_all_locked(&drvdata->wq);  in handle_fan_config_report()
239 	spin_unlock(&drvdata->wq.lock);  in handle_fan_config_report()
242 static void handle_fan_status_report(struct drvdata *drvdata, void *data, int size)  in handle_fan_status_report()  argument
250 	spin_lock(&drvdata->wq.lock);  in handle_fan_status_report()
258 	if (!drvdata->fan_config_received) {  in handle_fan_status_report()
259 		spin_unlock(&drvdata->wq.lock);  in handle_fan_status_report()
264 		if (drvdata->fan_type[i] == report->fan_type[i])  in handle_fan_status_report()
274 		hid_warn_once(drvdata->hid,  in handle_fan_status_report()
276 			      i, drvdata->fan_type[i], report->fan_type[i]);  in handle_fan_status_report()
277 		drvdata->fan_type[i] = report->fan_type[i];  in handle_fan_status_report()
283 			drvdata->fan_rpm[i] =  in handle_fan_status_report()
285 			drvdata->fan_duty_percent[i] =  in handle_fan_status_report()
289 		drvdata->pwm_status_received = true;  in handle_fan_status_report()
290 		wake_up_all_locked(&drvdata->wq);  in handle_fan_status_report()
295 			drvdata->fan_in[i] =  in handle_fan_status_report()
297 			drvdata->fan_curr[i] =  in handle_fan_status_report()
301 		drvdata->voltage_status_received = true;  in handle_fan_status_report()
302 		wake_up_all_locked(&drvdata->wq);  in handle_fan_status_report()
306 	spin_unlock(&drvdata->wq.lock);  in handle_fan_status_report()
341 	struct drvdata *drvdata = dev_get_drvdata(dev);  in nzxt_smart2_hwmon_read()  local
347 			*val = drvdata->update_interval;  in nzxt_smart2_hwmon_read()
355 	spin_lock_irq(&drvdata->wq.lock);  in nzxt_smart2_hwmon_read()
369 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
370 								  drvdata->fan_config_received);  in nzxt_smart2_hwmon_read()
374 			*val = drvdata->fan_type[channel] != FAN_TYPE_NONE;  in nzxt_smart2_hwmon_read()
378 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
379 								  drvdata->fan_config_received);  in nzxt_smart2_hwmon_read()
383 			*val = drvdata->fan_type[channel] == FAN_TYPE_PWM;  in nzxt_smart2_hwmon_read()
387 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
388 								  drvdata->pwm_status_received);  in nzxt_smart2_hwmon_read()
392 			*val = scale_pwm_value(drvdata->fan_duty_percent[channel],  in nzxt_smart2_hwmon_read()
405 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
406 								  drvdata->pwm_status_received);  in nzxt_smart2_hwmon_read()
410 			*val = drvdata->fan_rpm[channel];  in nzxt_smart2_hwmon_read()
416 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
417 								  drvdata->voltage_status_received);  in nzxt_smart2_hwmon_read()
421 			*val = drvdata->fan_in[channel];  in nzxt_smart2_hwmon_read()
427 			res = wait_event_interruptible_locked_irq(drvdata->wq,  in nzxt_smart2_hwmon_read()
428 								  drvdata->voltage_status_received);  in nzxt_smart2_hwmon_read()
432 			*val = drvdata->fan_curr[channel];  in nzxt_smart2_hwmon_read()
441 	spin_unlock_irq(&drvdata->wq.lock);  in nzxt_smart2_hwmon_read()
445 static int send_output_report(struct drvdata *drvdata, const void *data,  in send_output_report()  argument
450 	if (data_size > sizeof(drvdata->output_buffer))  in send_output_report()
453 	memcpy(drvdata->output_buffer, data, data_size);  in send_output_report()
455 	if (data_size < sizeof(drvdata->output_buffer))  in send_output_report()
456 		memset(drvdata->output_buffer + data_size, 0,  in send_output_report()
457 		       sizeof(drvdata->output_buffer) - data_size);  in send_output_report()
459 	ret = hid_hw_output_report(drvdata->hid, drvdata->output_buffer,  in send_output_report()
460 				   sizeof(drvdata->output_buffer));  in send_output_report()
464 static int set_pwm(struct drvdata *drvdata, int channel, long val)  in set_pwm()  argument
475 	ret = mutex_lock_interruptible(&drvdata->mutex);  in set_pwm()
480 	ret = send_output_report(drvdata, &report, sizeof(report));  in set_pwm()
495 	spin_lock_bh(&drvdata->wq.lock);  in set_pwm()
496 	drvdata->fan_duty_percent[channel] = duty_percent;  in set_pwm()
497 	spin_unlock_bh(&drvdata->wq.lock);  in set_pwm()
500 	mutex_unlock(&drvdata->mutex);  in set_pwm()
509 static int set_pwm_enable(struct drvdata *drvdata, int channel, long val)  in set_pwm_enable()  argument
514 	spin_lock_irq(&drvdata->wq.lock);  in set_pwm_enable()
516 	res = wait_event_interruptible_locked_irq(drvdata->wq,  in set_pwm_enable()
517 						  drvdata->fan_config_received);  in set_pwm_enable()
519 		spin_unlock_irq(&drvdata->wq.lock);  in set_pwm_enable()
523 	expected_val = drvdata->fan_type[channel] != FAN_TYPE_NONE;  in set_pwm_enable()
525 	spin_unlock_irq(&drvdata->wq.lock);  in set_pwm_enable()
560 static int set_update_interval(struct drvdata *drvdata, long val)  in set_update_interval()  argument
575 	ret = send_output_report(drvdata, report, sizeof(report));  in set_update_interval()
579 	drvdata->update_interval = control_byte_to_update_interval(control);  in set_update_interval()
583 static int init_device(struct drvdata *drvdata, long update_interval)  in init_device()  argument
591 	ret = send_output_report(drvdata, detect_fans_report,  in init_device()
596 	return set_update_interval(drvdata, update_interval);  in init_device()
603 	struct drvdata *drvdata = dev_get_drvdata(dev);  in nzxt_smart2_hwmon_write()  local
610 			return set_pwm_enable(drvdata, channel, val);  in nzxt_smart2_hwmon_write()
613 			return set_pwm(drvdata, channel, val);  in nzxt_smart2_hwmon_write()
622 			ret = mutex_lock_interruptible(&drvdata->mutex);  in nzxt_smart2_hwmon_write()
626 			ret = set_update_interval(drvdata, val);  in nzxt_smart2_hwmon_write()
628 			mutex_unlock(&drvdata->mutex);  in nzxt_smart2_hwmon_write()
691 	struct drvdata *drvdata = hid_get_drvdata(hdev);  in nzxt_smart2_hid_raw_event()  local
696 		handle_fan_config_report(drvdata, data, size);  in nzxt_smart2_hid_raw_event()
700 		handle_fan_status_report(drvdata, data, size);  in nzxt_smart2_hid_raw_event()
709 	struct drvdata *drvdata = hid_get_drvdata(hdev);  in nzxt_smart2_hid_reset_resume()  local
715 	spin_lock_bh(&drvdata->wq.lock);  in nzxt_smart2_hid_reset_resume()
716 	drvdata->fan_config_received = false;  in nzxt_smart2_hid_reset_resume()
717 	drvdata->pwm_status_received = false;  in nzxt_smart2_hid_reset_resume()
718 	drvdata->voltage_status_received = false;  in nzxt_smart2_hid_reset_resume()
719 	spin_unlock_bh(&drvdata->wq.lock);  in nzxt_smart2_hid_reset_resume()
721 	return init_device(drvdata, drvdata->update_interval);  in nzxt_smart2_hid_reset_resume()
727 	struct drvdata *drvdata;  in nzxt_smart2_hid_probe()  local
730 	drvdata = devm_kzalloc(&hdev->dev, sizeof(struct drvdata), GFP_KERNEL);  in nzxt_smart2_hid_probe()
731 	if (!drvdata)  in nzxt_smart2_hid_probe()
734 	drvdata->hid = hdev;  in nzxt_smart2_hid_probe()
735 	hid_set_drvdata(hdev, drvdata);  in nzxt_smart2_hid_probe()
737 	init_waitqueue_head(&drvdata->wq);  in nzxt_smart2_hid_probe()
739 	mutex_init(&drvdata->mutex);  in nzxt_smart2_hid_probe()
741 			&drvdata->mutex);  in nzxt_smart2_hid_probe()
757 	init_device(drvdata, UPDATE_INTERVAL_DEFAULT_MS);  in nzxt_smart2_hid_probe()
759 	drvdata->hwmon =  in nzxt_smart2_hid_probe()
760 		hwmon_device_register_with_info(&hdev->dev, "nzxtsmart2", drvdata,  in nzxt_smart2_hid_probe()
762 	if (IS_ERR(drvdata->hwmon)) {  in nzxt_smart2_hid_probe()
763 		ret = PTR_ERR(drvdata->hwmon);  in nzxt_smart2_hid_probe()
779 	struct drvdata *drvdata = hid_get_drvdata(hdev);  in nzxt_smart2_hid_remove()  local
781 	hwmon_device_unregister(drvdata->hwmon);  in nzxt_smart2_hid_remove()