343 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
345 static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_destroy_djhid_device()  argument
352 	spin_lock_irqsave(&djrcv_dev->lock, flags);  in logi_dj_recv_destroy_djhid_device()
353 	dj_dev = djrcv_dev->paired_dj_devices[dj_report->device_index];  in logi_dj_recv_destroy_djhid_device()
354 	djrcv_dev->paired_dj_devices[dj_report->device_index] = NULL;  in logi_dj_recv_destroy_djhid_device()
355 	spin_unlock_irqrestore(&djrcv_dev->lock, flags);  in logi_dj_recv_destroy_djhid_device()
361 		dev_err(&djrcv_dev->hdev->dev, "%s: can't destroy a NULL device\n",  in logi_dj_recv_destroy_djhid_device()
366 static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_add_djhid_device()  argument
370 	struct hid_device *djrcv_hdev = djrcv_dev->hdev;  in logi_dj_recv_add_djhid_device()
384 		djrcv_dev->querying_devices = false;  in logi_dj_recv_add_djhid_device()
388 	if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {  in logi_dj_recv_add_djhid_device()
431 	dj_dev->dj_receiver_dev = djrcv_dev;  in logi_dj_recv_add_djhid_device()
435 	djrcv_dev->paired_dj_devices[dj_report->device_index] = dj_dev;  in logi_dj_recv_add_djhid_device()
446 	djrcv_dev->paired_dj_devices[dj_report->device_index] = NULL;  in logi_dj_recv_add_djhid_device()
454 	struct dj_receiver_dev *djrcv_dev =  in delayedwork_callback()  local
464 	spin_lock_irqsave(&djrcv_dev->lock, flags);  in delayedwork_callback()
466 	count = kfifo_out(&djrcv_dev->notif_fifo, &dj_report,  in delayedwork_callback()
470 		dev_err(&djrcv_dev->hdev->dev, "%s: workitem triggered without "  in delayedwork_callback()
472 		spin_unlock_irqrestore(&djrcv_dev->lock, flags);  in delayedwork_callback()
476 	if (!kfifo_is_empty(&djrcv_dev->notif_fifo)) {  in delayedwork_callback()
477 		if (schedule_work(&djrcv_dev->work) == 0) {  in delayedwork_callback()
483 	spin_unlock_irqrestore(&djrcv_dev->lock, flags);  in delayedwork_callback()
487 		logi_dj_recv_add_djhid_device(djrcv_dev, &dj_report);  in delayedwork_callback()
490 		logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report);  in delayedwork_callback()
500 	if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) {  in delayedwork_callback()
503 		retval = logi_dj_recv_query_paired_devices(djrcv_dev);  in delayedwork_callback()
508 		dev_err(&djrcv_dev->hdev->dev,  in delayedwork_callback()
516 static void logi_dj_recv_queue_notification(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_queue_notification()  argument
521 	kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));  in logi_dj_recv_queue_notification()
523 	if (schedule_work(&djrcv_dev->work) == 0) {  in logi_dj_recv_queue_notification()
529 static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_forward_null_report()  argument
537 	djdev = djrcv_dev->paired_dj_devices[dj_report->device_index];  in logi_dj_recv_forward_null_report()
555 static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_forward_report()  argument
561 	dj_device = djrcv_dev->paired_dj_devices[dj_report->device_index];  in logi_dj_recv_forward_report()
584 static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_send_report()  argument
587 	struct hid_device *hdev = djrcv_dev->hdev;  in logi_dj_recv_send_report()
609 static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev)  in logi_dj_recv_query_paired_devices()  argument
615 	if (djrcv_dev->querying_devices)  in logi_dj_recv_query_paired_devices()
624 	retval = logi_dj_recv_send_report(djrcv_dev, dj_report);  in logi_dj_recv_query_paired_devices()
630 static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,  in logi_dj_recv_switch_to_dj_mode()  argument
633 	struct hid_device *hdev = djrcv_dev->hdev;  in logi_dj_recv_switch_to_dj_mode()
646 	retval = logi_dj_recv_send_report(djrcv_dev, dj_report);  in logi_dj_recv_switch_to_dj_mode()
708 	struct dj_receiver_dev *djrcv_dev = djdev->dj_receiver_dev;  in logi_dj_ll_raw_request()  local
724 		return hid_hw_raw_request(djrcv_dev->hdev, reportnum, buf,  in logi_dj_ll_raw_request()
742 	ret = hid_hw_raw_request(djrcv_dev->hdev, out_buf[0], out_buf,  in logi_dj_ll_raw_request()
839 	struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);  in logi_dj_dj_event()  local
874 	spin_lock_irqsave(&djrcv_dev->lock, flags);  in logi_dj_dj_event()
876 	if (!djrcv_dev->paired_dj_devices[dj_report->device_index]) {  in logi_dj_dj_event()
878 		logi_dj_recv_queue_notification(djrcv_dev, dj_report);  in logi_dj_dj_event()
887 		logi_dj_recv_queue_notification(djrcv_dev, dj_report);  in logi_dj_dj_event()
892 			logi_dj_recv_forward_null_report(djrcv_dev, dj_report);  in logi_dj_dj_event()
896 		logi_dj_recv_forward_report(djrcv_dev, dj_report);  in logi_dj_dj_event()
900 	spin_unlock_irqrestore(&djrcv_dev->lock, flags);  in logi_dj_dj_event()
909 	struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);  in logi_dj_hidpp_event()  local
945 	spin_lock_irqsave(&djrcv_dev->lock, flags);  in logi_dj_hidpp_event()
947 	if (!djrcv_dev->paired_dj_devices[device_index])  in logi_dj_hidpp_event()
951 	logi_dj_recv_forward_hidpp(djrcv_dev->paired_dj_devices[device_index],  in logi_dj_hidpp_event()
955 	spin_unlock_irqrestore(&djrcv_dev->lock, flags);  in logi_dj_hidpp_event()
996 	struct dj_receiver_dev *djrcv_dev;  in logi_dj_probe()  local
1013 	djrcv_dev = kzalloc(sizeof(struct dj_receiver_dev), GFP_KERNEL);  in logi_dj_probe()
1014 	if (!djrcv_dev) {  in logi_dj_probe()
1019 	djrcv_dev->hdev = hdev;  in logi_dj_probe()
1020 	INIT_WORK(&djrcv_dev->work, delayedwork_callback);  in logi_dj_probe()
1021 	spin_lock_init(&djrcv_dev->lock);  in logi_dj_probe()
1022 	if (kfifo_alloc(&djrcv_dev->notif_fifo,  in logi_dj_probe()
1027 		kfree(djrcv_dev);  in logi_dj_probe()
1030 	hid_set_drvdata(hdev, djrcv_dev);  in logi_dj_probe()
1058 	retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);  in logi_dj_probe()
1077 	retval = logi_dj_recv_query_paired_devices(djrcv_dev);  in logi_dj_probe()
1095 	kfifo_free(&djrcv_dev->notif_fifo);  in logi_dj_probe()
1096 	kfree(djrcv_dev);  in logi_dj_probe()
1106 	struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);  in logi_dj_reset_resume()  local
1108 	retval = logi_dj_recv_switch_to_dj_mode(djrcv_dev, 0);  in logi_dj_reset_resume()
1121 	struct dj_receiver_dev *djrcv_dev = hid_get_drvdata(hdev);  in logi_dj_remove()  local
1127 	cancel_work_sync(&djrcv_dev->work);  in logi_dj_remove()
1138 		dj_dev = djrcv_dev->paired_dj_devices[i];  in logi_dj_remove()
1142 			djrcv_dev->paired_dj_devices[i] = NULL;  in logi_dj_remove()
1146 	kfifo_free(&djrcv_dev->notif_fifo);  in logi_dj_remove()
1147 	kfree(djrcv_dev);  in logi_dj_remove()