79 static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,  in snd_virmidi_dev_receive_event()  argument
86 	read_lock(&rdev->filelist_lock);  in snd_virmidi_dev_receive_event()
87 	list_for_each_entry(vmidi, &rdev->filelist, list) {  in snd_virmidi_dev_receive_event()
100 	read_unlock(&rdev->filelist_lock);  in snd_virmidi_dev_receive_event()
115 	struct snd_virmidi_dev *rdev;
117 	rdev = rmidi->private_data;
118 	return snd_virmidi_dev_receive_event(rdev, ev);
128 	struct snd_virmidi_dev *rdev;  in snd_virmidi_event_input()  local
130 	rdev = private_data;  in snd_virmidi_event_input()
131 	if (!(rdev->flags & SNDRV_VIRMIDI_USE))  in snd_virmidi_event_input()
133 	return snd_virmidi_dev_receive_event(rdev, ev);  in snd_virmidi_event_input()
163 		    !(vmidi->rdev->flags & SNDRV_VIRMIDI_SUBSCRIBE)) {  in snd_virmidi_output_trigger()
209 	struct snd_virmidi_dev *rdev = substream->rmidi->private_data;  in snd_virmidi_input_open()  local
222 	vmidi->seq_mode = rdev->seq_mode;  in snd_virmidi_input_open()
223 	vmidi->client = rdev->client;  in snd_virmidi_input_open()
224 	vmidi->port = rdev->port;	  in snd_virmidi_input_open()
226 	write_lock_irqsave(&rdev->filelist_lock, flags);  in snd_virmidi_input_open()
227 	list_add_tail(&vmidi->list, &rdev->filelist);  in snd_virmidi_input_open()
228 	write_unlock_irqrestore(&rdev->filelist_lock, flags);  in snd_virmidi_input_open()
229 	vmidi->rdev = rdev;  in snd_virmidi_input_open()
238 	struct snd_virmidi_dev *rdev = substream->rmidi->private_data;  in snd_virmidi_output_open()  local
250 	vmidi->seq_mode = rdev->seq_mode;  in snd_virmidi_output_open()
251 	vmidi->client = rdev->client;  in snd_virmidi_output_open()
252 	vmidi->port = rdev->port;  in snd_virmidi_output_open()
254 	vmidi->rdev = rdev;  in snd_virmidi_output_open()
264 	struct snd_virmidi_dev *rdev = substream->rmidi->private_data;  in snd_virmidi_input_close()  local
267 	write_lock_irq(&rdev->filelist_lock);  in snd_virmidi_input_close()
269 	write_unlock_irq(&rdev->filelist_lock);  in snd_virmidi_input_close()
294 	struct snd_virmidi_dev *rdev;  in snd_virmidi_subscribe()  local
296 	rdev = private_data;  in snd_virmidi_subscribe()
297 	if (!try_module_get(rdev->card->module))  in snd_virmidi_subscribe()
299 	rdev->flags |= SNDRV_VIRMIDI_SUBSCRIBE;  in snd_virmidi_subscribe()
309 	struct snd_virmidi_dev *rdev;  in snd_virmidi_unsubscribe()  local
311 	rdev = private_data;  in snd_virmidi_unsubscribe()
312 	rdev->flags &= ~SNDRV_VIRMIDI_SUBSCRIBE;  in snd_virmidi_unsubscribe()
313 	module_put(rdev->card->module);  in snd_virmidi_unsubscribe()
324 	struct snd_virmidi_dev *rdev;  in snd_virmidi_use()  local
326 	rdev = private_data;  in snd_virmidi_use()
327 	if (!try_module_get(rdev->card->module))  in snd_virmidi_use()
329 	rdev->flags |= SNDRV_VIRMIDI_USE;  in snd_virmidi_use()
339 	struct snd_virmidi_dev *rdev;  in snd_virmidi_unuse()  local
341 	rdev = private_data;  in snd_virmidi_unuse()
342 	rdev->flags &= ~SNDRV_VIRMIDI_USE;  in snd_virmidi_unuse()
343 	module_put(rdev->card->module);  in snd_virmidi_unuse()
367 static int snd_virmidi_dev_attach_seq(struct snd_virmidi_dev *rdev)  in snd_virmidi_dev_attach_seq()  argument
374 	if (rdev->client >= 0)  in snd_virmidi_dev_attach_seq()
383 	client = snd_seq_create_kernel_client(rdev->card, rdev->device,  in snd_virmidi_dev_attach_seq()
384 					      "%s %d-%d", rdev->rmidi->name,  in snd_virmidi_dev_attach_seq()
385 					      rdev->card->number,  in snd_virmidi_dev_attach_seq()
386 					      rdev->device);  in snd_virmidi_dev_attach_seq()
391 	rdev->client = client;  in snd_virmidi_dev_attach_seq()
395 	sprintf(pinfo->name, "VirMIDI %d-%d", rdev->card->number, rdev->device);  in snd_virmidi_dev_attach_seq()
406 	pcallbacks.private_data = rdev;  in snd_virmidi_dev_attach_seq()
416 		rdev->client = -1;  in snd_virmidi_dev_attach_seq()
420 	rdev->port = pinfo->addr.port;  in snd_virmidi_dev_attach_seq()
432 static void snd_virmidi_dev_detach_seq(struct snd_virmidi_dev *rdev)  in snd_virmidi_dev_detach_seq()  argument
434 	if (rdev->client >= 0) {  in snd_virmidi_dev_detach_seq()
435 		snd_seq_delete_kernel_client(rdev->client);  in snd_virmidi_dev_detach_seq()
436 		rdev->client = -1;  in snd_virmidi_dev_detach_seq()
445 	struct snd_virmidi_dev *rdev = rmidi->private_data;  in snd_virmidi_dev_register()  local
448 	switch (rdev->seq_mode) {  in snd_virmidi_dev_register()
450 		err = snd_virmidi_dev_attach_seq(rdev);  in snd_virmidi_dev_register()
455 		if (rdev->client == 0)  in snd_virmidi_dev_register()
460 		pr_err("ALSA: seq_virmidi: seq_mode is not set: %d\n", rdev->seq_mode);  in snd_virmidi_dev_register()
472 	struct snd_virmidi_dev *rdev = rmidi->private_data;  in snd_virmidi_dev_unregister()  local
474 	if (rdev->seq_mode == SNDRV_VIRMIDI_SEQ_DISPATCH)  in snd_virmidi_dev_unregister()
475 		snd_virmidi_dev_detach_seq(rdev);  in snd_virmidi_dev_unregister()
492 	struct snd_virmidi_dev *rdev = rmidi->private_data;  in snd_virmidi_free()  local
493 	kfree(rdev);  in snd_virmidi_free()
504 	struct snd_virmidi_dev *rdev;  in snd_virmidi_new()  local
514 	rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);  in snd_virmidi_new()
515 	if (rdev == NULL) {  in snd_virmidi_new()
519 	rdev->card = card;  in snd_virmidi_new()
520 	rdev->rmidi = rmidi;  in snd_virmidi_new()
521 	rdev->device = device;  in snd_virmidi_new()
522 	rdev->client = -1;  in snd_virmidi_new()
523 	rwlock_init(&rdev->filelist_lock);  in snd_virmidi_new()
524 	INIT_LIST_HEAD(&rdev->filelist);  in snd_virmidi_new()
525 	rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;  in snd_virmidi_new()
526 	rmidi->private_data = rdev;  in snd_virmidi_new()