60 #define rmidi_err(rmidi, fmt, args...) \  argument
61 	dev_err(&(rmidi)->dev, fmt, ##args)
62 #define rmidi_warn(rmidi, fmt, args...) \  argument
63 	dev_warn(&(rmidi)->dev, fmt, ##args)
64 #define rmidi_dbg(rmidi, fmt, args...) \  argument
65 	dev_dbg(&(rmidi)->dev, fmt, ##args)
208 		rmidi_warn(substream->rmidi,  in snd_rawmidi_drain_output()
237 static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,  in assign_substream()  argument
242 	struct snd_rawmidi_str *s = &rmidi->streams[stream];  in assign_substream()
248 	if (!(rmidi->info_flags & info_flags[stream]))  in assign_substream()
269 static int open_substream(struct snd_rawmidi *rmidi,  in open_substream()  argument
289 		rmidi->streams[substream->stream].substream_opened++;  in open_substream()
295 static void close_substream(struct snd_rawmidi *rmidi,
299 static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,  in rawmidi_open_priv()  argument
307 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
314 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
322 		err = open_substream(rmidi, sinput, mode);  in rawmidi_open_priv()
327 		err = open_substream(rmidi, soutput, mode);  in rawmidi_open_priv()
330 				close_substream(rmidi, sinput, 0);  in rawmidi_open_priv()
335 	rfile->rmidi = rmidi;  in rawmidi_open_priv()
345 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_open()  local
352 	rmidi = snd_rawmidi_search(card, device);  in snd_rawmidi_kernel_open()
353 	if (!rmidi)  in snd_rawmidi_kernel_open()
355 	else if (!try_module_get(rmidi->card->module))  in snd_rawmidi_kernel_open()
361 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
362 	err = rawmidi_open_priv(rmidi, subdevice, mode, rfile);  in snd_rawmidi_kernel_open()
363 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
365 		module_put(rmidi->card->module);  in snd_rawmidi_kernel_open()
377 	struct snd_rawmidi *rmidi;  in snd_rawmidi_open()  local
389 		rmidi = snd_lookup_minor_data(iminor(inode),  in snd_rawmidi_open()
393 		rmidi = snd_lookup_oss_minor_data(iminor(inode),  in snd_rawmidi_open()
399 	if (rmidi == NULL)  in snd_rawmidi_open()
402 	if (!try_module_get(rmidi->card->module)) {  in snd_rawmidi_open()
403 		snd_card_unref(rmidi->card);  in snd_rawmidi_open()
407 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
408 	card = rmidi->card;  in snd_rawmidi_open()
421 	add_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
424 		err = rawmidi_open_priv(rmidi, subdevice, fflags, rawmidi_file);  in snd_rawmidi_open()
435 		mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
437 		mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
438 		if (rmidi->card->shutdown) {  in snd_rawmidi_open()
447 	remove_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
459 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
460 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
466 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
467 	module_put(rmidi->card->module);  in snd_rawmidi_open()
468 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
472 static void close_substream(struct snd_rawmidi *rmidi,  in close_substream()  argument
502 	rmidi->streams[substream->stream].substream_opened--;  in close_substream()
507 	struct snd_rawmidi *rmidi;  in rawmidi_release_priv()  local
509 	rmidi = rfile->rmidi;  in rawmidi_release_priv()
510 	mutex_lock(&rmidi->open_mutex);  in rawmidi_release_priv()
512 		close_substream(rmidi, rfile->input, 1);  in rawmidi_release_priv()
516 		close_substream(rmidi, rfile->output, 1);  in rawmidi_release_priv()
519 	rfile->rmidi = NULL;  in rawmidi_release_priv()
520 	mutex_unlock(&rmidi->open_mutex);  in rawmidi_release_priv()
521 	wake_up(&rmidi->open_wait);  in rawmidi_release_priv()
527 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_release()  local
532 	rmidi = rfile->rmidi;  in snd_rawmidi_kernel_release()
534 	module_put(rmidi->card->module);  in snd_rawmidi_kernel_release()
542 	struct snd_rawmidi *rmidi;  in snd_rawmidi_release()  local
546 	rmidi = rfile->rmidi;  in snd_rawmidi_release()
549 	module = rmidi->card->module;  in snd_rawmidi_release()
550 	snd_card_file_remove(rmidi->card, file);  in snd_rawmidi_release()
558 	struct snd_rawmidi *rmidi;  in snd_rawmidi_info()  local
562 	rmidi = substream->rmidi;  in snd_rawmidi_info()
564 	info->card = rmidi->card->number;  in snd_rawmidi_info()
565 	info->device = rmidi->device;  in snd_rawmidi_info()
568 	info->flags = rmidi->info_flags;  in snd_rawmidi_info()
569 	strcpy(info->id, rmidi->id);  in snd_rawmidi_info()
570 	strcpy(info->name, rmidi->name);  in snd_rawmidi_info()
595 	struct snd_rawmidi *rmidi;  in __snd_rawmidi_info_select()  local
599 	rmidi = snd_rawmidi_search(card, info->device);  in __snd_rawmidi_info_select()
600 	if (!rmidi)  in __snd_rawmidi_info_select()
604 	pstr = &rmidi->streams[info->stream];  in __snd_rawmidi_info_select()
828 		rmidi_dbg(rfile->rmidi,  in snd_rawmidi_ioctl()
899 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_receive()
1032 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_read()
1067 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_transmit_empty()
1093 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_peek()
1166 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_ack()
1337 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_write()
1420 	struct snd_rawmidi *rmidi;  in snd_rawmidi_proc_info_read()  local
1424 	rmidi = entry->private_data;  in snd_rawmidi_proc_info_read()
1425 	snd_iprintf(buffer, "%s\n\n", rmidi->name);  in snd_rawmidi_proc_info_read()
1426 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1427 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {  in snd_rawmidi_proc_info_read()
1429 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams,  in snd_rawmidi_proc_info_read()
1451 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT) {  in snd_rawmidi_proc_info_read()
1453 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams,  in snd_rawmidi_proc_info_read()
1475 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1494 static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi,  in snd_rawmidi_alloc_substreams()  argument
1508 		substream->rmidi = rmidi;  in snd_rawmidi_alloc_substreams()
1539 	struct snd_rawmidi *rmidi;  in snd_rawmidi_new()  local
1551 	rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);  in snd_rawmidi_new()
1552 	if (!rmidi)  in snd_rawmidi_new()
1554 	rmidi->card = card;  in snd_rawmidi_new()
1555 	rmidi->device = device;  in snd_rawmidi_new()
1556 	mutex_init(&rmidi->open_mutex);  in snd_rawmidi_new()
1557 	init_waitqueue_head(&rmidi->open_wait);  in snd_rawmidi_new()
1558 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams);  in snd_rawmidi_new()
1559 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams);  in snd_rawmidi_new()
1562 		strlcpy(rmidi->id, id, sizeof(rmidi->id));  in snd_rawmidi_new()
1564 	snd_device_initialize(&rmidi->dev, card);  in snd_rawmidi_new()
1565 	rmidi->dev.release = release_rawmidi_device;  in snd_rawmidi_new()
1566 	dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device);  in snd_rawmidi_new()
1568 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1569 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],  in snd_rawmidi_new()
1574 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1575 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],  in snd_rawmidi_new()
1580 	err = snd_device_new(card, SNDRV_DEV_RAWMIDI, rmidi, &ops);  in snd_rawmidi_new()
1585 		*rrawmidi = rmidi;  in snd_rawmidi_new()
1589 	snd_rawmidi_free(rmidi);  in snd_rawmidi_new()
1605 static int snd_rawmidi_free(struct snd_rawmidi *rmidi)  in snd_rawmidi_free()  argument
1607 	if (!rmidi)  in snd_rawmidi_free()
1610 	snd_info_free_entry(rmidi->proc_entry);  in snd_rawmidi_free()
1611 	rmidi->proc_entry = NULL;  in snd_rawmidi_free()
1613 	if (rmidi->ops && rmidi->ops->dev_unregister)  in snd_rawmidi_free()
1614 		rmidi->ops->dev_unregister(rmidi);  in snd_rawmidi_free()
1617 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]);  in snd_rawmidi_free()
1618 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]);  in snd_rawmidi_free()
1619 	if (rmidi->private_free)  in snd_rawmidi_free()
1620 		rmidi->private_free(rmidi);  in snd_rawmidi_free()
1621 	put_device(&rmidi->dev);  in snd_rawmidi_free()
1627 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_free()  local
1629 	return snd_rawmidi_free(rmidi);  in snd_rawmidi_dev_free()
1635 	struct snd_rawmidi *rmidi = device->private_data;  in snd_rawmidi_dev_seq_free()  local
1637 	rmidi->seq_dev = NULL;  in snd_rawmidi_dev_seq_free()
1646 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_register()  local
1648 	if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)  in snd_rawmidi_dev_register()
1652 	if (snd_rawmidi_search(rmidi->card, rmidi->device))  in snd_rawmidi_dev_register()
1655 		list_add_tail(&rmidi->list, &snd_rawmidi_devices);  in snd_rawmidi_dev_register()
1661 				  rmidi->card, rmidi->device,  in snd_rawmidi_dev_register()
1662 				  &snd_rawmidi_f_ops, rmidi, &rmidi->dev);  in snd_rawmidi_dev_register()
1664 		rmidi_err(rmidi, "unable to register\n");  in snd_rawmidi_dev_register()
1667 	if (rmidi->ops && rmidi->ops->dev_register) {  in snd_rawmidi_dev_register()
1668 		err = rmidi->ops->dev_register(rmidi);  in snd_rawmidi_dev_register()
1673 	rmidi->ossreg = 0;  in snd_rawmidi_dev_register()
1674 	if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1676 					    rmidi->card, 0, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1677 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1678 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1680 				  rmidi->card->number, 0);  in snd_rawmidi_dev_register()
1682 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1684 			snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number, rmidi->name);  in snd_rawmidi_dev_register()
1688 	if ((int)rmidi->device == amidi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1690 					    rmidi->card, 1, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1691 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1692 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1694 				  rmidi->card->number, 1);  in snd_rawmidi_dev_register()
1696 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1700 	sprintf(name, "midi%d", rmidi->device);  in snd_rawmidi_dev_register()
1701 	entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);  in snd_rawmidi_dev_register()
1703 		entry->private_data = rmidi;  in snd_rawmidi_dev_register()
1710 	rmidi->proc_entry = entry;  in snd_rawmidi_dev_register()
1712 	if (!rmidi->ops || !rmidi->ops->dev_register) { /* own registration mechanism */  in snd_rawmidi_dev_register()
1713 …if (snd_seq_device_new(rmidi->card, rmidi->device, SNDRV_SEQ_DEV_ID_MIDISYNTH, 0, &rmidi->seq_dev)…  in snd_rawmidi_dev_register()
1714 			rmidi->seq_dev->private_data = rmidi;  in snd_rawmidi_dev_register()
1715 			rmidi->seq_dev->private_free = snd_rawmidi_dev_seq_free;  in snd_rawmidi_dev_register()
1716 			sprintf(rmidi->seq_dev->name, "MIDI %d-%d", rmidi->card->number, rmidi->device);  in snd_rawmidi_dev_register()
1717 			snd_device_register(rmidi->card, rmidi->seq_dev);  in snd_rawmidi_dev_register()
1724 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_register()
1727 	list_del(&rmidi->list);  in snd_rawmidi_dev_register()
1734 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_disconnect()  local
1738 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1739 	wake_up(&rmidi->open_wait);  in snd_rawmidi_dev_disconnect()
1740 	list_del_init(&rmidi->list);  in snd_rawmidi_dev_disconnect()
1744 		list_for_each_entry(s, &rmidi->streams[dir].substreams, list) {  in snd_rawmidi_dev_disconnect()
1751 	if (rmidi->ossreg) {  in snd_rawmidi_dev_disconnect()
1752 		if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_disconnect()
1753 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 0);  in snd_rawmidi_dev_disconnect()
1755 			snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number);  in snd_rawmidi_dev_disconnect()
1758 		if ((int)rmidi->device == amidi_map[rmidi->card->number])  in snd_rawmidi_dev_disconnect()
1759 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 1);  in snd_rawmidi_dev_disconnect()
1760 		rmidi->ossreg = 0;  in snd_rawmidi_dev_disconnect()
1763 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_disconnect()
1764 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1777 void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,  in snd_rawmidi_set_ops()  argument
1782 	list_for_each_entry(substream, &rmidi->streams[stream].substreams, list)  in snd_rawmidi_set_ops()