502 	struct f_midi2 *midi2 = ep->card;  in reply_ump_stream_string()  local
533 			if (midi2->info.req_buf_size - req->length < UMP_STREAM_PKT_BYTES)  in reply_ump_stream_string()
610 	struct f_midi2 *midi2 = ep->card;  in process_ump_stream_msg()  local
633 			DBG(midi2, "Switching Protocol to MIDI2\n");  in process_ump_stream_msg()
636 			DBG(midi2, "Switching Protocol to MIDI1\n");  in process_ump_stream_msg()
689 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ep_out_complete()  local
693 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_ep_out_complete()
701 	if (midi2->info.process_ump)  in f_midi2_ep_out_complete()
706 	if (midi2->operation_mode != MIDI_OP_MODE_MIDI2)  in f_midi2_ep_out_complete()
721 	struct f_midi2 *midi2 = ep->card;  in process_ump_transmit()  local
733 				       midi2->info.req_buf_size);  in process_ump_transmit()
751 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ep_in_complete()  local
757 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_ep_in_complete()
774 static bool process_midi1_byte(struct f_midi2 *midi2, u8 cable, u8 b,  in process_midi1_byte()  argument
777 	struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in process_midi1_byte()
927 		if (midi2->info.req_buf_size - req->length <= 4) {  in process_midi1_byte()
942 static bool process_midi1_pending_buf(struct f_midi2 *midi2,  in process_midi1_pending_buf()  argument
947 	for (cable = 0; cable < midi2->num_midi1_in; cable++) {  in process_midi1_pending_buf()
948 		struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in process_midi1_pending_buf()
953 			if (process_midi1_byte(midi2, cable, port->buf[c],  in process_midi1_pending_buf()
970 static void fill_midi1_pending_buf(struct f_midi2 *midi2, u8 cable, u8 *buf,  in fill_midi1_pending_buf()  argument
973 	struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in fill_midi1_pending_buf()
982 static void process_midi1_transmit(struct f_midi2 *midi2)  in process_midi1_transmit()  argument
984 	struct f_midi2_usb_ep *usb_ep = &midi2->midi1_ep_in;  in process_midi1_transmit()
985 	struct f_midi2_ep *ep = &midi2->midi2_eps[0];  in process_midi1_transmit()
1003 		if (process_midi1_pending_buf(midi2, &req))  in process_midi1_transmit()
1019 		fill_midi1_pending_buf(midi2, cable, outbuf, size);  in process_midi1_transmit()
1035 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_in_complete()  local
1041 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_midi1_ep_in_complete()
1046 	process_midi1_transmit(midi2);  in f_midi2_midi1_ep_in_complete()
1054 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_out_complete()  local
1056 	struct ump_cvt_to_ump *cvt = &midi2->midi1_ump_cvt;  in f_midi2_midi1_ep_out_complete()
1065 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_midi1_ep_out_complete()
1073 		ep = midi2->out_cable_mapping[cable].ep;  in f_midi2_midi1_ep_out_complete()
1076 		group = midi2->out_cable_mapping[cable].group;  in f_midi2_midi1_ep_out_complete()
1090 	if (midi2->operation_mode != MIDI_OP_MODE_MIDI1)  in f_midi2_midi1_ep_out_complete()
1140 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_alloc_ep_reqs()  local
1148 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_alloc_ep_reqs()
1152 						   midi2->info.req_buf_size);  in f_midi2_alloc_ep_reqs()
1163 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_free_ep_reqs()  local
1166 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_free_ep_reqs()
1175 static int f_midi2_init_ep(struct f_midi2 *midi2, struct f_midi2_ep *ep,  in f_midi2_init_ep()  argument
1183 	usb_ep->card = midi2;  in f_midi2_init_ep()
1185 	usb_ep->usb_ep = usb_ep_autoconfig(midi2->gadget, desc);  in f_midi2_init_ep()
1190 	usb_ep->reqs = kcalloc(midi2->info.num_reqs, sizeof(*usb_ep->reqs),  in f_midi2_init_ep()
1194 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_init_ep()
1279 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_set_alt()  local
1283 	if (intf != midi2->midi_if || alt > 1)  in f_midi2_set_alt()
1291 	if (midi2->operation_mode == op_mode)  in f_midi2_set_alt()
1294 	midi2->operation_mode = op_mode;  in f_midi2_set_alt()
1297 		f_midi2_stop_eps(&midi2->midi1_ep_in, &midi2->midi1_ep_out);  in f_midi2_set_alt()
1300 		for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_set_alt()
1301 			ep = &midi2->midi2_eps[i];  in f_midi2_set_alt()
1307 		return f_midi2_start_eps(&midi2->midi1_ep_in,  in f_midi2_set_alt()
1308 					 &midi2->midi1_ep_out, fn);  in f_midi2_set_alt()
1311 		for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_set_alt()
1312 			ep = &midi2->midi2_eps[i];  in f_midi2_set_alt()
1326 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_get_alt()  local
1328 	if (intf == midi2->midi_if &&  in f_midi2_get_alt()
1329 	    midi2->operation_mode == MIDI_OP_MODE_MIDI2)  in f_midi2_get_alt()
1348 static void assign_block_descriptors(struct f_midi2 *midi2,  in assign_block_descriptors()  argument
1359 	len = sizeof(gtb_header_desc) + sizeof(gtb_desc) * midi2->total_blocks;  in assign_block_descriptors()
1360 	if (WARN_ON(len > midi2->info.req_buf_size))  in assign_block_descriptors()
1375 	for (i = 0; i < midi2->num_eps; i++) {  in assign_block_descriptors()
1376 		ep = &midi2->midi2_eps[i];  in assign_block_descriptors()
1410 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_setup()  local
1429 	assign_block_descriptors(midi2, req, length);  in f_midi2_setup()
1436 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_disable()  local
1438 	midi2->operation_mode = MIDI_OP_MODE_UNSET;  in f_midi2_disable()
1456 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ump_trigger()  local
1459 		switch (midi2->operation_mode) {  in f_midi2_ump_trigger()
1461 			process_midi1_transmit(midi2);  in f_midi2_ump_trigger()
1497 	struct f_midi2 *midi2 = snd_kcontrol_chip(kcontrol);  in f_midi2_operation_mode_get()  local
1499 	ucontrol->value.integer.value[0] = midi2->operation_mode;  in f_midi2_operation_mode_get()
1514 static void f_midi2_free_card(struct f_midi2 *midi2)  in f_midi2_free_card()  argument
1516 	if (midi2->card) {  in f_midi2_free_card()
1517 		snd_card_free_when_closed(midi2->card);  in f_midi2_free_card()
1518 		midi2->card = NULL;  in f_midi2_free_card()
1531 static int f_midi2_create_card(struct f_midi2 *midi2)  in f_midi2_create_card()  argument
1539 	err = snd_card_new(&midi2->gadget->dev, -1, NULL, THIS_MODULE, 0,  in f_midi2_create_card()
1543 	midi2->card = card;  in f_midi2_create_card()
1550 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_card()
1551 		ep = &midi2->midi2_eps[i];  in f_midi2_create_card()
1562 		if (midi2->info.static_block)  in f_midi2_create_card()
1604 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_card()
1605 		err = snd_ump_attach_legacy_rawmidi(midi2->midi2_eps[i].ump,  in f_midi2_create_card()
1612 	err = snd_ctl_add(card, snd_ctl_new1(&operation_mode_ctl, midi2));  in f_midi2_create_card()
1623 	f_midi2_free_card(midi2);  in f_midi2_create_card()
1673 static int append_midi1_in_jack(struct f_midi2 *midi2,  in append_midi1_in_jack()  argument
1698 static int append_midi1_out_jack(struct f_midi2 *midi2,  in append_midi1_out_jack()  argument
1726 static int f_midi2_create_usb_configs(struct f_midi2 *midi2,  in f_midi2_create_usb_configs()  argument
1739 		for (i = 0; i < midi2->num_eps; i++)  in f_midi2_create_usb_configs()
1750 		for (i = 0; i < midi2->num_eps; i++)  in f_midi2_create_usb_configs()
1762 	if (midi2->num_midi1_in && midi2->num_midi1_out)  in f_midi2_create_usb_configs()
1772 	if (midi2->num_midi1_out) {  in f_midi2_create_usb_configs()
1774 			USB_DT_MS_ENDPOINT_SIZE(midi2->num_midi1_out);  in f_midi2_create_usb_configs()
1777 			midi2->num_midi1_out;  in f_midi2_create_usb_configs()
1778 		total += midi2->num_midi1_out *  in f_midi2_create_usb_configs()
1780 		for (i = 0; i < midi2->num_midi1_out; i++) {  in f_midi2_create_usb_configs()
1781 			jack = append_midi1_in_jack(midi2, config,  in f_midi2_create_usb_configs()
1782 						    &midi2->in_cable_mapping[i],  in f_midi2_create_usb_configs()
1787 			jack = append_midi1_out_jack(midi2, config,  in f_midi2_create_usb_configs()
1788 						     &midi2->in_cable_mapping[i],  in f_midi2_create_usb_configs()
1795 	if (midi2->num_midi1_in) {  in f_midi2_create_usb_configs()
1797 			USB_DT_MS_ENDPOINT_SIZE(midi2->num_midi1_in);  in f_midi2_create_usb_configs()
1800 			midi2->num_midi1_in;  in f_midi2_create_usb_configs()
1801 		total += midi2->num_midi1_in *  in f_midi2_create_usb_configs()
1803 		for (i = 0; i < midi2->num_midi1_in; i++) {  in f_midi2_create_usb_configs()
1804 			jack = append_midi1_in_jack(midi2, config,  in f_midi2_create_usb_configs()
1805 						    &midi2->out_cable_mapping[i],  in f_midi2_create_usb_configs()
1809 			jack = append_midi1_out_jack(midi2, config,  in f_midi2_create_usb_configs()
1810 						     &midi2->out_cable_mapping[i],  in f_midi2_create_usb_configs()
1820 	if (midi2->num_midi1_out) {  in f_midi2_create_usb_configs()
1825 	if (midi2->num_midi1_in) {  in f_midi2_create_usb_configs()
1835 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_usb_configs()
1887 static int f_midi2_init_midi2_ep_in(struct f_midi2 *midi2, int index)  in f_midi2_init_midi2_ep_in()  argument
1889 	struct f_midi2_ep *ep = &midi2->midi2_eps[index];  in f_midi2_init_midi2_ep_in()
1901 	return f_midi2_init_ep(midi2, ep, &ep->ep_in, desc,  in f_midi2_init_midi2_ep_in()
1906 static int f_midi2_init_midi2_ep_out(struct f_midi2 *midi2, int index)  in f_midi2_init_midi2_ep_out()  argument
1908 	struct f_midi2_ep *ep = &midi2->midi2_eps[index];  in f_midi2_init_midi2_ep_out()
1918 	return f_midi2_init_ep(midi2, ep, &ep->ep_out, desc,  in f_midi2_init_midi2_ep_out()
1926 	struct f_midi2 *midi2 = func_to_midi2(f);  in f_midi2_bind()  local
1931 		.strings = midi2->string_defs,  in f_midi2_bind()
1939 	midi2->gadget = cdev->gadget;  in f_midi2_bind()
1940 	midi2->operation_mode = MIDI_OP_MODE_UNSET;  in f_midi2_bind()
1942 	status = f_midi2_create_card(midi2);  in f_midi2_bind()
1947 	midi2->strings = usb_gstrings_attach(c->cdev, strings,  in f_midi2_bind()
1948 					     midi2->total_blocks + 1);  in f_midi2_bind()
1949 	if (IS_ERR(midi2->strings)) {  in f_midi2_bind()
1950 		status = PTR_ERR(midi2->strings);  in f_midi2_bind()
1955 	midi2_midi1_if_desc.iInterface = midi2->strings[STR_IFACE].id;  in f_midi2_bind()
1956 	midi2_midi2_if_desc.iInterface = midi2->strings[STR_IFACE].id;  in f_midi2_bind()
1957 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_bind()
1958 		ep = &midi2->midi2_eps[i];  in f_midi2_bind()
1961 				midi2->strings[gtb_to_str_id(ep->blks[blk].gtb_id)].id;  in f_midi2_bind()
1964 	midi2_midi2_if_desc.bNumEndpoints = midi2->num_eps * 2;  in f_midi2_bind()
1976 	midi2->midi_if = status;  in f_midi2_bind()
1982 	if (midi2->midi2_eps[0].blks[0].info.direction != SNDRV_UMP_DIR_OUTPUT) {  in f_midi2_bind()
1983 		status = f_midi2_init_ep(midi2, NULL, &midi2->midi1_ep_in,  in f_midi2_bind()
1990 	if (midi2->midi2_eps[0].blks[0].info.direction != SNDRV_UMP_DIR_INPUT) {  in f_midi2_bind()
1991 		status = f_midi2_init_ep(midi2, NULL, &midi2->midi1_ep_out,  in f_midi2_bind()
1998 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_bind()
1999 		status = f_midi2_init_midi2_ep_in(midi2, i);  in f_midi2_bind()
2002 		status = f_midi2_init_midi2_ep_out(midi2, i);  in f_midi2_bind()
2007 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_FULL);  in f_midi2_bind()
2017 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_HIGH);  in f_midi2_bind()
2027 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_SUPER);  in f_midi2_bind()
2045 	f_midi2_free_card(midi2);  in f_midi2_bind()
2047 	ERROR(midi2, "%s: can't bind, err %d\n", f->name, status);  in f_midi2_bind()
2054 	struct f_midi2 *midi2 = func_to_midi2(f);  in f_midi2_unbind()  local
2057 	f_midi2_free_card(midi2);  in f_midi2_unbind()
2059 	f_midi2_free_ep(&midi2->midi1_ep_in);  in f_midi2_unbind()
2060 	f_midi2_free_ep(&midi2->midi1_ep_out);  in f_midi2_unbind()
2061 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_unbind()
2062 		f_midi2_free_ep(&midi2->midi2_eps[i].ep_in);  in f_midi2_unbind()
2063 		f_midi2_free_ep(&midi2->midi2_eps[i].ep_out);  in f_midi2_unbind()
2691 static void do_f_midi2_free(struct f_midi2 *midi2, struct f_midi2_opts *opts)  in do_f_midi2_free()  argument
2696 	kfree(midi2->string_defs);  in do_f_midi2_free()
2697 	kfree(midi2);  in do_f_midi2_free()
2761 static void fill_midi1_cable_mapping(struct f_midi2 *midi2,  in fill_midi1_cable_mapping()  argument
2773 		map = midi2->in_cable_mapping + midi2->num_midi1_in;  in fill_midi1_cable_mapping()
2775 			if (midi2->num_midi1_in >= MAX_CABLES)  in fill_midi1_cable_mapping()
2780 			midi2->num_midi1_in++;  in fill_midi1_cable_mapping()
2782 			ep->in_group_to_cable[group] = midi2->num_midi1_in;  in fill_midi1_cable_mapping()
2788 		map = midi2->out_cable_mapping + midi2->num_midi1_out;  in fill_midi1_cable_mapping()
2790 			if (midi2->num_midi1_out >= MAX_CABLES)  in fill_midi1_cable_mapping()
2795 			midi2->num_midi1_out++;  in fill_midi1_cable_mapping()
2803 	struct f_midi2 *midi2;  in f_midi2_alloc()  local
2809 	midi2 = kzalloc(sizeof(*midi2), GFP_KERNEL);  in f_midi2_alloc()
2810 	if (!midi2)  in f_midi2_alloc()
2818 		kfree(midi2);  in f_midi2_alloc()
2824 	spin_lock_init(&midi2->queue_lock);  in f_midi2_alloc()
2826 	midi2->func.name = "midi2_func";  in f_midi2_alloc()
2827 	midi2->func.bind = f_midi2_bind;  in f_midi2_alloc()
2828 	midi2->func.unbind = f_midi2_unbind;  in f_midi2_alloc()
2829 	midi2->func.get_alt = f_midi2_get_alt;  in f_midi2_alloc()
2830 	midi2->func.set_alt = f_midi2_set_alt;  in f_midi2_alloc()
2831 	midi2->func.setup = f_midi2_setup;  in f_midi2_alloc()
2832 	midi2->func.disable = f_midi2_disable;  in f_midi2_alloc()
2833 	midi2->func.free_func = f_midi2_free;  in f_midi2_alloc()
2835 	midi2->info = opts->info;  in f_midi2_alloc()
2836 	midi2->num_eps = num_eps;  in f_midi2_alloc()
2839 		ep = &midi2->midi2_eps[i];  in f_midi2_alloc()
2841 		ep->card = midi2;  in f_midi2_alloc()
2847 			bp->gtb_id = ++midi2->total_blocks;  in f_midi2_alloc()
2851 	midi2->string_defs = kcalloc(midi2->total_blocks + 1,  in f_midi2_alloc()
2852 				     sizeof(*midi2->string_defs), GFP_KERNEL);  in f_midi2_alloc()
2853 	if (!midi2->string_defs) {  in f_midi2_alloc()
2854 		do_f_midi2_free(midi2, opts);  in f_midi2_alloc()
2859 		midi2->string_defs[STR_IFACE].s = opts->info.iface_name;  in f_midi2_alloc()
2861 		midi2->string_defs[STR_IFACE].s = ump_ep_name(&midi2->midi2_eps[0]);  in f_midi2_alloc()
2863 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_alloc()
2864 		ep = &midi2->midi2_eps[i];  in f_midi2_alloc()
2867 			midi2->string_defs[gtb_to_str_id(bp->gtb_id)].s =  in f_midi2_alloc()
2870 			fill_midi1_cable_mapping(midi2, ep, blk);  in f_midi2_alloc()
2874 	if (!midi2->num_midi1_in && !midi2->num_midi1_out) {  in f_midi2_alloc()
2876 		do_f_midi2_free(midi2, opts);  in f_midi2_alloc()
2880 	return &midi2->func;  in f_midi2_alloc()
2883 DECLARE_USB_FUNCTION_INIT(midi2, f_midi2_alloc_inst, f_midi2_alloc);