46 #define rmidi_err(rmidi, fmt, args...) \  argument
47 	dev_err(&(rmidi)->dev, fmt, ##args)
48 #define rmidi_warn(rmidi, fmt, args...) \  argument
49 	dev_warn(&(rmidi)->dev, fmt, ##args)
50 #define rmidi_dbg(rmidi, fmt, args...) \  argument
51 	dev_dbg(&(rmidi)->dev, fmt, ##args)
194 		rmidi_warn(substream->rmidi,  in snd_rawmidi_drain_output()
223 static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,  in assign_substream()  argument
228 	struct snd_rawmidi_str *s = &rmidi->streams[stream];  in assign_substream()
234 	if (!(rmidi->info_flags & info_flags[stream]))  in assign_substream()
255 static int open_substream(struct snd_rawmidi *rmidi,  in open_substream()  argument
275 		rmidi->streams[substream->stream].substream_opened++;  in open_substream()
281 static void close_substream(struct snd_rawmidi *rmidi,
285 static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,  in rawmidi_open_priv()  argument
293 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
300 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
308 		err = open_substream(rmidi, sinput, mode);  in rawmidi_open_priv()
313 		err = open_substream(rmidi, soutput, mode);  in rawmidi_open_priv()
316 				close_substream(rmidi, sinput, 0);  in rawmidi_open_priv()
321 	rfile->rmidi = rmidi;  in rawmidi_open_priv()
331 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_open()  local
338 	rmidi = snd_rawmidi_search(card, device);  in snd_rawmidi_kernel_open()
339 	if (!rmidi)  in snd_rawmidi_kernel_open()
341 	else if (!try_module_get(rmidi->card->module))  in snd_rawmidi_kernel_open()
347 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
348 	err = rawmidi_open_priv(rmidi, subdevice, mode, rfile);  in snd_rawmidi_kernel_open()
349 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
351 		module_put(rmidi->card->module);  in snd_rawmidi_kernel_open()
363 	struct snd_rawmidi *rmidi;  in snd_rawmidi_open()  local
375 		rmidi = snd_lookup_minor_data(iminor(inode),  in snd_rawmidi_open()
379 		rmidi = snd_lookup_oss_minor_data(iminor(inode),  in snd_rawmidi_open()
385 	if (rmidi == NULL)  in snd_rawmidi_open()
388 	if (!try_module_get(rmidi->card->module)) {  in snd_rawmidi_open()
389 		snd_card_unref(rmidi->card);  in snd_rawmidi_open()
393 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
394 	card = rmidi->card;  in snd_rawmidi_open()
407 	add_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
410 		err = rawmidi_open_priv(rmidi, subdevice, fflags, rawmidi_file);  in snd_rawmidi_open()
421 		mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
423 		mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
424 		if (rmidi->card->shutdown) {  in snd_rawmidi_open()
433 	remove_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
445 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
446 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
452 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
453 	module_put(rmidi->card->module);  in snd_rawmidi_open()
454 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
458 static void close_substream(struct snd_rawmidi *rmidi,  in close_substream()  argument
488 	rmidi->streams[substream->stream].substream_opened--;  in close_substream()
493 	struct snd_rawmidi *rmidi;  in rawmidi_release_priv()  local
495 	rmidi = rfile->rmidi;  in rawmidi_release_priv()
496 	mutex_lock(&rmidi->open_mutex);  in rawmidi_release_priv()
498 		close_substream(rmidi, rfile->input, 1);  in rawmidi_release_priv()
502 		close_substream(rmidi, rfile->output, 1);  in rawmidi_release_priv()
505 	rfile->rmidi = NULL;  in rawmidi_release_priv()
506 	mutex_unlock(&rmidi->open_mutex);  in rawmidi_release_priv()
507 	wake_up(&rmidi->open_wait);  in rawmidi_release_priv()
513 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_release()  local
518 	rmidi = rfile->rmidi;  in snd_rawmidi_kernel_release()
520 	module_put(rmidi->card->module);  in snd_rawmidi_kernel_release()
528 	struct snd_rawmidi *rmidi;  in snd_rawmidi_release()  local
532 	rmidi = rfile->rmidi;  in snd_rawmidi_release()
535 	module = rmidi->card->module;  in snd_rawmidi_release()
536 	snd_card_file_remove(rmidi->card, file);  in snd_rawmidi_release()
544 	struct snd_rawmidi *rmidi;  in snd_rawmidi_info()  local
548 	rmidi = substream->rmidi;  in snd_rawmidi_info()
550 	info->card = rmidi->card->number;  in snd_rawmidi_info()
551 	info->device = rmidi->device;  in snd_rawmidi_info()
554 	info->flags = rmidi->info_flags;  in snd_rawmidi_info()
555 	strcpy(info->id, rmidi->id);  in snd_rawmidi_info()
556 	strcpy(info->name, rmidi->name);  in snd_rawmidi_info()
581 	struct snd_rawmidi *rmidi;  in __snd_rawmidi_info_select()  local
585 	rmidi = snd_rawmidi_search(card, info->device);  in __snd_rawmidi_info_select()
586 	if (!rmidi)  in __snd_rawmidi_info_select()
591 	pstr = &rmidi->streams[info->stream];  in __snd_rawmidi_info_select()
815 		rmidi_dbg(rfile->rmidi,  in snd_rawmidi_ioctl()
886 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_receive()
1019 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_read()
1054 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_transmit_empty()
1080 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_peek()
1153 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_ack()
1346 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_write()
1429 	struct snd_rawmidi *rmidi;  in snd_rawmidi_proc_info_read()  local
1433 	rmidi = entry->private_data;  in snd_rawmidi_proc_info_read()
1434 	snd_iprintf(buffer, "%s\n\n", rmidi->name);  in snd_rawmidi_proc_info_read()
1435 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1436 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {  in snd_rawmidi_proc_info_read()
1438 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams,  in snd_rawmidi_proc_info_read()
1460 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT) {  in snd_rawmidi_proc_info_read()
1462 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams,  in snd_rawmidi_proc_info_read()
1484 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1503 static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi,  in snd_rawmidi_alloc_substreams()  argument
1517 		substream->rmidi = rmidi;  in snd_rawmidi_alloc_substreams()
1548 	struct snd_rawmidi *rmidi;  in snd_rawmidi_new()  local
1560 	rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);  in snd_rawmidi_new()
1561 	if (!rmidi)  in snd_rawmidi_new()
1563 	rmidi->card = card;  in snd_rawmidi_new()
1564 	rmidi->device = device;  in snd_rawmidi_new()
1565 	mutex_init(&rmidi->open_mutex);  in snd_rawmidi_new()
1566 	init_waitqueue_head(&rmidi->open_wait);  in snd_rawmidi_new()
1567 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams);  in snd_rawmidi_new()
1568 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams);  in snd_rawmidi_new()
1571 		strlcpy(rmidi->id, id, sizeof(rmidi->id));  in snd_rawmidi_new()
1573 	snd_device_initialize(&rmidi->dev, card);  in snd_rawmidi_new()
1574 	rmidi->dev.release = release_rawmidi_device;  in snd_rawmidi_new()
1575 	dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device);  in snd_rawmidi_new()
1577 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1578 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],  in snd_rawmidi_new()
1583 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1584 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],  in snd_rawmidi_new()
1589 	err = snd_device_new(card, SNDRV_DEV_RAWMIDI, rmidi, &ops);  in snd_rawmidi_new()
1594 		*rrawmidi = rmidi;  in snd_rawmidi_new()
1598 	snd_rawmidi_free(rmidi);  in snd_rawmidi_new()
1614 static int snd_rawmidi_free(struct snd_rawmidi *rmidi)  in snd_rawmidi_free()  argument
1616 	if (!rmidi)  in snd_rawmidi_free()
1619 	snd_info_free_entry(rmidi->proc_entry);  in snd_rawmidi_free()
1620 	rmidi->proc_entry = NULL;  in snd_rawmidi_free()
1622 	if (rmidi->ops && rmidi->ops->dev_unregister)  in snd_rawmidi_free()
1623 		rmidi->ops->dev_unregister(rmidi);  in snd_rawmidi_free()
1626 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]);  in snd_rawmidi_free()
1627 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]);  in snd_rawmidi_free()
1628 	if (rmidi->private_free)  in snd_rawmidi_free()
1629 		rmidi->private_free(rmidi);  in snd_rawmidi_free()
1630 	put_device(&rmidi->dev);  in snd_rawmidi_free()
1636 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_free()  local
1638 	return snd_rawmidi_free(rmidi);  in snd_rawmidi_dev_free()
1644 	struct snd_rawmidi *rmidi = device->private_data;  in snd_rawmidi_dev_seq_free()  local
1646 	rmidi->seq_dev = NULL;  in snd_rawmidi_dev_seq_free()
1655 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_register()  local
1657 	if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)  in snd_rawmidi_dev_register()
1661 	if (snd_rawmidi_search(rmidi->card, rmidi->device))  in snd_rawmidi_dev_register()
1664 		list_add_tail(&rmidi->list, &snd_rawmidi_devices);  in snd_rawmidi_dev_register()
1670 				  rmidi->card, rmidi->device,  in snd_rawmidi_dev_register()
1671 				  &snd_rawmidi_f_ops, rmidi, &rmidi->dev);  in snd_rawmidi_dev_register()
1673 		rmidi_err(rmidi, "unable to register\n");  in snd_rawmidi_dev_register()
1676 	if (rmidi->ops && rmidi->ops->dev_register) {  in snd_rawmidi_dev_register()
1677 		err = rmidi->ops->dev_register(rmidi);  in snd_rawmidi_dev_register()
1682 	rmidi->ossreg = 0;  in snd_rawmidi_dev_register()
1683 	if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1685 					    rmidi->card, 0, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1686 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1687 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1689 				  rmidi->card->number, 0);  in snd_rawmidi_dev_register()
1691 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1693 			snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number, rmidi->name);  in snd_rawmidi_dev_register()
1697 	if ((int)rmidi->device == amidi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1699 					    rmidi->card, 1, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1700 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1701 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1703 				  rmidi->card->number, 1);  in snd_rawmidi_dev_register()
1705 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1709 	sprintf(name, "midi%d", rmidi->device);  in snd_rawmidi_dev_register()
1710 	entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);  in snd_rawmidi_dev_register()
1712 		entry->private_data = rmidi;  in snd_rawmidi_dev_register()
1719 	rmidi->proc_entry = entry;  in snd_rawmidi_dev_register()
1721 	if (!rmidi->ops || !rmidi->ops->dev_register) { /* own registration mechanism */  in snd_rawmidi_dev_register()
1722 …if (snd_seq_device_new(rmidi->card, rmidi->device, SNDRV_SEQ_DEV_ID_MIDISYNTH, 0, &rmidi->seq_dev)…  in snd_rawmidi_dev_register()
1723 			rmidi->seq_dev->private_data = rmidi;  in snd_rawmidi_dev_register()
1724 			rmidi->seq_dev->private_free = snd_rawmidi_dev_seq_free;  in snd_rawmidi_dev_register()
1725 			sprintf(rmidi->seq_dev->name, "MIDI %d-%d", rmidi->card->number, rmidi->device);  in snd_rawmidi_dev_register()
1726 			snd_device_register(rmidi->card, rmidi->seq_dev);  in snd_rawmidi_dev_register()
1733 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_register()
1736 	list_del(&rmidi->list);  in snd_rawmidi_dev_register()
1743 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_disconnect()  local
1747 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1748 	wake_up(&rmidi->open_wait);  in snd_rawmidi_dev_disconnect()
1749 	list_del_init(&rmidi->list);  in snd_rawmidi_dev_disconnect()
1753 		list_for_each_entry(s, &rmidi->streams[dir].substreams, list) {  in snd_rawmidi_dev_disconnect()
1760 	if (rmidi->ossreg) {  in snd_rawmidi_dev_disconnect()
1761 		if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_disconnect()
1762 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 0);  in snd_rawmidi_dev_disconnect()
1764 			snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number);  in snd_rawmidi_dev_disconnect()
1767 		if ((int)rmidi->device == amidi_map[rmidi->card->number])  in snd_rawmidi_dev_disconnect()
1768 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 1);  in snd_rawmidi_dev_disconnect()
1769 		rmidi->ossreg = 0;  in snd_rawmidi_dev_disconnect()
1772 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_disconnect()
1773 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1786 void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,  in snd_rawmidi_set_ops()  argument
1791 	list_for_each_entry(substream, &rmidi->streams[stream].substreams, list)  in snd_rawmidi_set_ops()