82 	struct snd_usb_midi2_interface *umidi;	/* reference to MIDI iface */  member
395 static int start_input_streams(struct snd_usb_midi2_interface *umidi)  in start_input_streams()  argument
400 	list_for_each_entry(ep, &umidi->ep_list, list) {  in start_input_streams()
408 	list_for_each_entry(ep, &umidi->ep_list, list) {  in start_input_streams()
416 	list_for_each_entry(ep, &umidi->ep_list, list) {  in start_input_streams()
432 static int create_midi2_endpoint(struct snd_usb_midi2_interface *umidi,  in create_midi2_endpoint()  argument
439 	usb_audio_dbg(umidi->chip, "Creating an EP 0x%02x, #GTB=%d\n",  in create_midi2_endpoint()
449 	ep->dev = umidi->chip->dev;  in create_midi2_endpoint()
472 	list_add_tail(&ep->list, &umidi->ep_list);  in create_midi2_endpoint()
486 static void free_all_midi2_endpoints(struct snd_usb_midi2_interface *umidi)  in free_all_midi2_endpoints()  argument
490 	while (!list_empty(&umidi->ep_list)) {  in free_all_midi2_endpoints()
491 		ep = list_first_entry(&umidi->ep_list,  in free_all_midi2_endpoints()
521 static int get_group_terminal_block_descs(struct snd_usb_midi2_interface *umidi)  in get_group_terminal_block_descs()  argument
523 	struct usb_host_interface *hostif = umidi->hostif;  in get_group_terminal_block_descs()
524 	struct usb_device *dev = umidi->chip->dev;  in get_group_terminal_block_descs()
558 	umidi->blk_descs = data;  in get_group_terminal_block_descs()
559 	umidi->blk_desc_size = size;  in get_group_terminal_block_descs()
565 find_group_terminal_block(struct snd_usb_midi2_interface *umidi, int id)  in find_group_terminal_block()  argument
567 	const unsigned char *data = umidi->blk_descs;  in find_group_terminal_block()
568 	int size = umidi->blk_desc_size;  in find_group_terminal_block()
611 		usb_audio_info(rmidi->umidi->chip,  in parse_group_terminal_block()
628 		usb_audio_info(rmidi->umidi->chip,  in parse_group_terminal_block()
638 static int parse_group_terminal_blocks(struct snd_usb_midi2_interface *umidi)  in parse_group_terminal_blocks()  argument
644 	err = get_group_terminal_block_descs(umidi);  in parse_group_terminal_blocks()
647 	if (!umidi->blk_descs)  in parse_group_terminal_blocks()
650 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in parse_group_terminal_blocks()
651 		desc = find_group_terminal_block(umidi, rmidi->usb_block_id);  in parse_group_terminal_blocks()
663 static int parse_midi_2_0_endpoints(struct snd_usb_midi2_interface *umidi)  in parse_midi_2_0_endpoints()  argument
665 	struct usb_host_interface *hostif = umidi->hostif;  in parse_midi_2_0_endpoints()
684 		err = create_midi2_endpoint(umidi, hostep, ms_ep);  in parse_midi_2_0_endpoints()
691 static void free_all_midi2_umps(struct snd_usb_midi2_interface *umidi)  in free_all_midi2_umps()  argument
695 	while (!list_empty(&umidi->rawmidi_list)) {  in free_all_midi2_umps()
696 		rmidi = list_first_entry(&umidi->rawmidi_list,  in free_all_midi2_umps()
703 static int create_midi2_ump(struct snd_usb_midi2_interface *umidi,  in create_midi2_ump()  argument
718 	rmidi->dev = umidi->chip->dev;  in create_midi2_ump()
719 	rmidi->umidi = umidi;  in create_midi2_ump()
722 	rmidi->index = umidi->chip->num_rawmidis;  in create_midi2_ump()
726 	err = snd_ump_endpoint_new(umidi->chip->card, idstr, rmidi->index,  in create_midi2_ump()
729 		usb_audio_dbg(umidi->chip, "Failed to create a UMP object\n");  in create_midi2_ump()
735 	umidi->chip->num_rawmidis++;  in create_midi2_ump()
753 	list_add_tail(&rmidi->list, &umidi->rawmidi_list);  in create_midi2_ump()
759 find_midi2_ump(struct snd_usb_midi2_interface *umidi, int blk_id)  in find_midi2_ump()  argument
763 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in find_midi2_ump()
771 static int find_matching_ep_partner(struct snd_usb_midi2_interface *umidi,  in find_matching_ep_partner()  argument
778 	usb_audio_dbg(umidi->chip, "Looking for a pair for EP-in 0x%02x\n",  in find_matching_ep_partner()
780 	list_for_each_entry(pair_ep, &umidi->ep_list, list) {  in find_matching_ep_partner()
787 				usb_audio_dbg(umidi->chip,  in find_matching_ep_partner()
790 				return create_midi2_ump(umidi, ep, pair_ep, blk_id);  in find_matching_ep_partner()
801 static int parse_ump_endpoints(struct snd_usb_midi2_interface *umidi)  in parse_ump_endpoints()  argument
806 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in parse_ump_endpoints()
825 	struct snd_usb_midi2_interface *umidi = rmidi->umidi;  in create_gtb_block()  local
830 	desc = find_group_terminal_block(umidi, blk);  in create_gtb_block()
834 	usb_audio_dbg(umidi->chip,  in create_gtb_block()
853 		usb_audio_dbg(umidi->chip, "Unsupported GTB type %d\n",  in create_gtb_block()
876 	usb_audio_dbg(umidi->chip,  in create_gtb_block()
883 static int create_blocks_from_gtb(struct snd_usb_midi2_interface *umidi)  in create_blocks_from_gtb()  argument
888 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in create_blocks_from_gtb()
913 static int attach_legacy_rawmidi(struct snd_usb_midi2_interface *umidi)  in attach_legacy_rawmidi()  argument
919 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in attach_legacy_rawmidi()
922 						    umidi->chip->num_rawmidis);  in attach_legacy_rawmidi()
925 		umidi->chip->num_rawmidis++;  in attach_legacy_rawmidi()
931 static void snd_usb_midi_v2_free(struct snd_usb_midi2_interface *umidi)  in snd_usb_midi_v2_free()  argument
933 	free_all_midi2_endpoints(umidi);  in snd_usb_midi_v2_free()
934 	free_all_midi2_umps(umidi);  in snd_usb_midi_v2_free()
935 	list_del(&umidi->list);  in snd_usb_midi_v2_free()
936 	kfree(umidi->blk_descs);  in snd_usb_midi_v2_free()
937 	kfree(umidi);  in snd_usb_midi_v2_free()
941 static int parse_midi_2_0(struct snd_usb_midi2_interface *umidi)  in parse_midi_2_0()  argument
947 	err = parse_midi_2_0_endpoints(umidi);  in parse_midi_2_0()
950 	if (list_empty(&umidi->ep_list)) {  in parse_midi_2_0()
951 		usb_audio_warn(umidi->chip, "No MIDI endpoints found\n");  in parse_midi_2_0()
960 	list_for_each_entry(ep, &umidi->ep_list, list) {  in parse_midi_2_0()
966 			err = find_matching_ep_partner(umidi, ep, id);  in parse_midi_2_0()
976 	list_for_each_entry(ep, &umidi->ep_list, list) {  in parse_midi_2_0()
981 			if (find_midi2_ump(umidi, id))  in parse_midi_2_0()
983 			usb_audio_dbg(umidi->chip,  in parse_midi_2_0()
987 				err = create_midi2_ump(umidi, ep, NULL, id);  in parse_midi_2_0()
989 				err = create_midi2_ump(umidi, NULL, ep, id);  in parse_midi_2_0()
1015 static int set_altset(struct snd_usb_midi2_interface *umidi)  in set_altset()  argument
1017 	usb_audio_dbg(umidi->chip, "Setting host iface %d:%d\n",  in set_altset()
1018 		      umidi->hostif->desc.bInterfaceNumber,  in set_altset()
1019 		      umidi->hostif->desc.bAlternateSetting);  in set_altset()
1020 	return usb_set_interface(umidi->chip->dev,  in set_altset()
1021 				 umidi->hostif->desc.bInterfaceNumber,  in set_altset()
1022 				 umidi->hostif->desc.bAlternateSetting);  in set_altset()
1040 static void set_fallback_rawmidi_names(struct snd_usb_midi2_interface *umidi)  in set_fallback_rawmidi_names()  argument
1042 	struct usb_device *dev = umidi->chip->dev;  in set_fallback_rawmidi_names()
1046 	list_for_each_entry(rmidi, &umidi->rawmidi_list, list) {  in set_fallback_rawmidi_names()
1049 		if (!*ump->info.name && umidi->hostif->desc.iInterface)  in set_fallback_rawmidi_names()
1050 			fill_ump_ep_name(ump, dev, umidi->hostif->desc.iInterface);  in set_fallback_rawmidi_names()
1074 	struct snd_usb_midi2_interface *umidi;  in snd_usb_midi_v2_create()  local
1105 	umidi = kzalloc(sizeof(*umidi), GFP_KERNEL);  in snd_usb_midi_v2_create()
1106 	if (!umidi)  in snd_usb_midi_v2_create()
1108 	umidi->chip = chip;  in snd_usb_midi_v2_create()
1109 	umidi->iface = iface;  in snd_usb_midi_v2_create()
1110 	umidi->hostif = hostif;  in snd_usb_midi_v2_create()
1111 	INIT_LIST_HEAD(&umidi->rawmidi_list);  in snd_usb_midi_v2_create()
1112 	INIT_LIST_HEAD(&umidi->ep_list);  in snd_usb_midi_v2_create()
1114 	list_add_tail(&umidi->list, &chip->midi_v2_list);  in snd_usb_midi_v2_create()
1116 	err = set_altset(umidi);  in snd_usb_midi_v2_create()
1123 	err = parse_midi_2_0(umidi);  in snd_usb_midi_v2_create()
1130 	err = parse_group_terminal_blocks(umidi);  in snd_usb_midi_v2_create()
1136 	err = start_input_streams(umidi);  in snd_usb_midi_v2_create()
1143 		err = parse_ump_endpoints(umidi);  in snd_usb_midi_v2_create()
1150 	err = create_blocks_from_gtb(umidi);  in snd_usb_midi_v2_create()
1156 	set_fallback_rawmidi_names(umidi);  in snd_usb_midi_v2_create()
1158 	err = attach_legacy_rawmidi(umidi);  in snd_usb_midi_v2_create()
1167 	snd_usb_midi_v2_free(umidi);  in snd_usb_midi_v2_create()
1183 	struct snd_usb_midi2_interface *umidi;  in snd_usb_midi_v2_suspend_all()  local
1186 	list_for_each_entry(umidi, &chip->midi_v2_list, list) {  in snd_usb_midi_v2_suspend_all()
1187 		list_for_each_entry(ep, &umidi->ep_list, list)  in snd_usb_midi_v2_suspend_all()
1202 	struct snd_usb_midi2_interface *umidi;  in snd_usb_midi_v2_resume_all()  local
1205 	list_for_each_entry(umidi, &chip->midi_v2_list, list) {  in snd_usb_midi_v2_resume_all()
1206 		set_altset(umidi);  in snd_usb_midi_v2_resume_all()
1207 		list_for_each_entry(ep, &umidi->ep_list, list)  in snd_usb_midi_v2_resume_all()
1214 	struct snd_usb_midi2_interface *umidi;  in snd_usb_midi_v2_disconnect_all()  local
1217 	list_for_each_entry(umidi, &chip->midi_v2_list, list) {  in snd_usb_midi_v2_disconnect_all()
1218 		umidi->disconnected = 1;  in snd_usb_midi_v2_disconnect_all()
1219 		list_for_each_entry(ep, &umidi->ep_list, list) {  in snd_usb_midi_v2_disconnect_all()
1230 	struct snd_usb_midi2_interface *umidi, *next;  in snd_usb_midi_v2_free_all()  local
1232 	list_for_each_entry_safe(umidi, next, &chip->midi_v2_list, list)  in snd_usb_midi_v2_free_all()
1233 		snd_usb_midi_v2_free(umidi);  in snd_usb_midi_v2_free_all()