38 static int snd_rawmidi_free(struct snd_rawmidi *rmidi);
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)
238 		rmidi_warn(substream->rmidi,  in snd_rawmidi_drain_output()
267 static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,  in assign_substream()  argument
272 	struct snd_rawmidi_str *s = &rmidi->streams[stream];  in assign_substream()
278 	if (!(rmidi->info_flags & info_flags[stream]))  in assign_substream()
299 static int open_substream(struct snd_rawmidi *rmidi,  in open_substream()  argument
319 		rmidi->streams[substream->stream].substream_opened++;  in open_substream()
325 static void close_substream(struct snd_rawmidi *rmidi,
329 static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,  in rawmidi_open_priv()  argument
337 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
344 		err = assign_substream(rmidi, subdevice,  in rawmidi_open_priv()
352 		err = open_substream(rmidi, sinput, mode);  in rawmidi_open_priv()
357 		err = open_substream(rmidi, soutput, mode);  in rawmidi_open_priv()
360 				close_substream(rmidi, sinput, 0);  in rawmidi_open_priv()
365 	rfile->rmidi = rmidi;  in rawmidi_open_priv()
375 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_open()  local
382 	rmidi = snd_rawmidi_search(card, device);  in snd_rawmidi_kernel_open()
383 	if (!rmidi)  in snd_rawmidi_kernel_open()
385 	else if (!try_module_get(rmidi->card->module))  in snd_rawmidi_kernel_open()
391 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
392 	err = rawmidi_open_priv(rmidi, subdevice, mode, rfile);  in snd_rawmidi_kernel_open()
393 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_kernel_open()
395 		module_put(rmidi->card->module);  in snd_rawmidi_kernel_open()
407 	struct snd_rawmidi *rmidi;  in snd_rawmidi_open()  local
419 		rmidi = snd_lookup_minor_data(iminor(inode),  in snd_rawmidi_open()
423 		rmidi = snd_lookup_oss_minor_data(iminor(inode),  in snd_rawmidi_open()
429 	if (rmidi == NULL)  in snd_rawmidi_open()
432 	if (!try_module_get(rmidi->card->module)) {  in snd_rawmidi_open()
433 		snd_card_unref(rmidi->card);  in snd_rawmidi_open()
437 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
438 	card = rmidi->card;  in snd_rawmidi_open()
451 	add_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
454 		err = rawmidi_open_priv(rmidi, subdevice, fflags, rawmidi_file);  in snd_rawmidi_open()
465 		mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
467 		mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_open()
468 		if (rmidi->card->shutdown) {  in snd_rawmidi_open()
477 	remove_wait_queue(&rmidi->open_wait, &wait);  in snd_rawmidi_open()
489 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
490 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
496 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_open()
497 	module_put(rmidi->card->module);  in snd_rawmidi_open()
498 	snd_card_unref(rmidi->card);  in snd_rawmidi_open()
502 static void close_substream(struct snd_rawmidi *rmidi,  in close_substream()  argument
532 	rmidi->streams[substream->stream].substream_opened--;  in close_substream()
537 	struct snd_rawmidi *rmidi;  in rawmidi_release_priv()  local
539 	rmidi = rfile->rmidi;  in rawmidi_release_priv()
540 	mutex_lock(&rmidi->open_mutex);  in rawmidi_release_priv()
542 		close_substream(rmidi, rfile->input, 1);  in rawmidi_release_priv()
546 		close_substream(rmidi, rfile->output, 1);  in rawmidi_release_priv()
549 	rfile->rmidi = NULL;  in rawmidi_release_priv()
550 	mutex_unlock(&rmidi->open_mutex);  in rawmidi_release_priv()
551 	wake_up(&rmidi->open_wait);  in rawmidi_release_priv()
557 	struct snd_rawmidi *rmidi;  in snd_rawmidi_kernel_release()  local
562 	rmidi = rfile->rmidi;  in snd_rawmidi_kernel_release()
564 	module_put(rmidi->card->module);  in snd_rawmidi_kernel_release()
572 	struct snd_rawmidi *rmidi;  in snd_rawmidi_release()  local
576 	rmidi = rfile->rmidi;  in snd_rawmidi_release()
579 	module = rmidi->card->module;  in snd_rawmidi_release()
580 	snd_card_file_remove(rmidi->card, file);  in snd_rawmidi_release()
588 	struct snd_rawmidi *rmidi;  in snd_rawmidi_info()  local
592 	rmidi = substream->rmidi;  in snd_rawmidi_info()
594 	info->card = rmidi->card->number;  in snd_rawmidi_info()
595 	info->device = rmidi->device;  in snd_rawmidi_info()
598 	info->flags = rmidi->info_flags;  in snd_rawmidi_info()
599 	strcpy(info->id, rmidi->id);  in snd_rawmidi_info()
600 	strcpy(info->name, rmidi->name);  in snd_rawmidi_info()
625 	struct snd_rawmidi *rmidi;  in __snd_rawmidi_info_select()  local
629 	rmidi = snd_rawmidi_search(card, info->device);  in __snd_rawmidi_info_select()
630 	if (!rmidi)  in __snd_rawmidi_info_select()
635 	pstr = &rmidi->streams[info->stream];  in __snd_rawmidi_info_select()
915 		rmidi_dbg(rfile->rmidi,  in snd_rawmidi_ioctl()
986 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_receive()
1124 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_read()
1161 		rmidi_dbg(substream->rmidi,  in snd_rawmidi_transmit_empty()
1187 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_peek()
1260 		rmidi_dbg(substream->rmidi,  in __snd_rawmidi_transmit_ack()
1455 			if (rfile->rmidi->card->shutdown)  in snd_rawmidi_write()
1540 	struct snd_rawmidi *rmidi;  in snd_rawmidi_proc_info_read()  local
1545 	rmidi = entry->private_data;  in snd_rawmidi_proc_info_read()
1546 	snd_iprintf(buffer, "%s\n\n", rmidi->name);  in snd_rawmidi_proc_info_read()
1547 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1548 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {  in snd_rawmidi_proc_info_read()
1550 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams,  in snd_rawmidi_proc_info_read()
1575 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT) {  in snd_rawmidi_proc_info_read()
1577 				    &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams,  in snd_rawmidi_proc_info_read()
1602 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_proc_info_read()
1621 static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi,  in snd_rawmidi_alloc_substreams()  argument
1635 		substream->rmidi = rmidi;  in snd_rawmidi_alloc_substreams()
1666 	struct snd_rawmidi *rmidi;  in snd_rawmidi_new()  local
1678 	rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);  in snd_rawmidi_new()
1679 	if (!rmidi)  in snd_rawmidi_new()
1681 	rmidi->card = card;  in snd_rawmidi_new()
1682 	rmidi->device = device;  in snd_rawmidi_new()
1683 	mutex_init(&rmidi->open_mutex);  in snd_rawmidi_new()
1684 	init_waitqueue_head(&rmidi->open_wait);  in snd_rawmidi_new()
1685 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams);  in snd_rawmidi_new()
1686 	INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams);  in snd_rawmidi_new()
1689 		strlcpy(rmidi->id, id, sizeof(rmidi->id));  in snd_rawmidi_new()
1691 	snd_device_initialize(&rmidi->dev, card);  in snd_rawmidi_new()
1692 	rmidi->dev.release = release_rawmidi_device;  in snd_rawmidi_new()
1693 	dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device);  in snd_rawmidi_new()
1695 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1696 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],  in snd_rawmidi_new()
1701 	err = snd_rawmidi_alloc_substreams(rmidi,  in snd_rawmidi_new()
1702 					   &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],  in snd_rawmidi_new()
1707 	err = snd_device_new(card, SNDRV_DEV_RAWMIDI, rmidi, &ops);  in snd_rawmidi_new()
1712 		*rrawmidi = rmidi;  in snd_rawmidi_new()
1716 	snd_rawmidi_free(rmidi);  in snd_rawmidi_new()
1732 static int snd_rawmidi_free(struct snd_rawmidi *rmidi)  in snd_rawmidi_free()  argument
1734 	if (!rmidi)  in snd_rawmidi_free()
1737 	snd_info_free_entry(rmidi->proc_entry);  in snd_rawmidi_free()
1738 	rmidi->proc_entry = NULL;  in snd_rawmidi_free()
1739 	if (rmidi->ops && rmidi->ops->dev_unregister)  in snd_rawmidi_free()
1740 		rmidi->ops->dev_unregister(rmidi);  in snd_rawmidi_free()
1742 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]);  in snd_rawmidi_free()
1743 	snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]);  in snd_rawmidi_free()
1744 	if (rmidi->private_free)  in snd_rawmidi_free()
1745 		rmidi->private_free(rmidi);  in snd_rawmidi_free()
1746 	put_device(&rmidi->dev);  in snd_rawmidi_free()
1752 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_free()  local
1754 	return snd_rawmidi_free(rmidi);  in snd_rawmidi_dev_free()
1760 	struct snd_rawmidi *rmidi = device->private_data;  in snd_rawmidi_dev_seq_free()  local
1762 	rmidi->seq_dev = NULL;  in snd_rawmidi_dev_seq_free()
1771 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_register()  local
1773 	if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)  in snd_rawmidi_dev_register()
1777 	if (snd_rawmidi_search(rmidi->card, rmidi->device))  in snd_rawmidi_dev_register()
1780 		list_add_tail(&rmidi->list, &snd_rawmidi_devices);  in snd_rawmidi_dev_register()
1786 				  rmidi->card, rmidi->device,  in snd_rawmidi_dev_register()
1787 				  &snd_rawmidi_f_ops, rmidi, &rmidi->dev);  in snd_rawmidi_dev_register()
1789 		rmidi_err(rmidi, "unable to register\n");  in snd_rawmidi_dev_register()
1792 	if (rmidi->ops && rmidi->ops->dev_register) {  in snd_rawmidi_dev_register()
1793 		err = rmidi->ops->dev_register(rmidi);  in snd_rawmidi_dev_register()
1798 	rmidi->ossreg = 0;  in snd_rawmidi_dev_register()
1799 	if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1801 					    rmidi->card, 0, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1802 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1803 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1805 				  rmidi->card->number, 0);  in snd_rawmidi_dev_register()
1807 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1809 			snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number, rmidi->name);  in snd_rawmidi_dev_register()
1813 	if ((int)rmidi->device == amidi_map[rmidi->card->number]) {  in snd_rawmidi_dev_register()
1815 					    rmidi->card, 1, &snd_rawmidi_f_ops,  in snd_rawmidi_dev_register()
1816 					    rmidi) < 0) {  in snd_rawmidi_dev_register()
1817 			rmidi_err(rmidi,  in snd_rawmidi_dev_register()
1819 				  rmidi->card->number, 1);  in snd_rawmidi_dev_register()
1821 			rmidi->ossreg++;  in snd_rawmidi_dev_register()
1825 	sprintf(name, "midi%d", rmidi->device);  in snd_rawmidi_dev_register()
1826 	entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);  in snd_rawmidi_dev_register()
1828 		entry->private_data = rmidi;  in snd_rawmidi_dev_register()
1835 	rmidi->proc_entry = entry;  in snd_rawmidi_dev_register()
1837 	if (!rmidi->ops || !rmidi->ops->dev_register) { /* own registration mechanism */  in snd_rawmidi_dev_register()
1838 …if (snd_seq_device_new(rmidi->card, rmidi->device, SNDRV_SEQ_DEV_ID_MIDISYNTH, 0, &rmidi->seq_dev)…  in snd_rawmidi_dev_register()
1839 			rmidi->seq_dev->private_data = rmidi;  in snd_rawmidi_dev_register()
1840 			rmidi->seq_dev->private_free = snd_rawmidi_dev_seq_free;  in snd_rawmidi_dev_register()
1841 			sprintf(rmidi->seq_dev->name, "MIDI %d-%d", rmidi->card->number, rmidi->device);  in snd_rawmidi_dev_register()
1842 			snd_device_register(rmidi->card, rmidi->seq_dev);  in snd_rawmidi_dev_register()
1849 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_register()
1852 	list_del(&rmidi->list);  in snd_rawmidi_dev_register()
1859 	struct snd_rawmidi *rmidi = device->device_data;  in snd_rawmidi_dev_disconnect()  local
1863 	mutex_lock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1864 	wake_up(&rmidi->open_wait);  in snd_rawmidi_dev_disconnect()
1865 	list_del_init(&rmidi->list);  in snd_rawmidi_dev_disconnect()
1869 		list_for_each_entry(s, &rmidi->streams[dir].substreams, list) {  in snd_rawmidi_dev_disconnect()
1876 	if (rmidi->ossreg) {  in snd_rawmidi_dev_disconnect()
1877 		if ((int)rmidi->device == midi_map[rmidi->card->number]) {  in snd_rawmidi_dev_disconnect()
1878 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 0);  in snd_rawmidi_dev_disconnect()
1880 			snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIDI, rmidi->card->number);  in snd_rawmidi_dev_disconnect()
1883 		if ((int)rmidi->device == amidi_map[rmidi->card->number])  in snd_rawmidi_dev_disconnect()
1884 			snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI, rmidi->card, 1);  in snd_rawmidi_dev_disconnect()
1885 		rmidi->ossreg = 0;  in snd_rawmidi_dev_disconnect()
1888 	snd_unregister_device(&rmidi->dev);  in snd_rawmidi_dev_disconnect()
1889 	mutex_unlock(&rmidi->open_mutex);  in snd_rawmidi_dev_disconnect()
1902 void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,  in snd_rawmidi_set_ops()  argument
1907 	list_for_each_entry(substream, &rmidi->streams[stream].substreams, list)  in snd_rawmidi_set_ops()