499 	struct f_midi2 *midi2 = ep->card;  in reply_ump_stream_string()  local
530 			if (midi2->info.req_buf_size - req->length < UMP_STREAM_PKT_BYTES)  in reply_ump_stream_string()
608 	struct f_midi2 *midi2 = ep->card;  in process_ump_stream_msg()  local
631 			DBG(midi2, "Switching Protocol to MIDI2\n");  in process_ump_stream_msg()
634 			DBG(midi2, "Switching Protocol to MIDI1\n");  in process_ump_stream_msg()
678 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ep_out_complete()  local
682 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_ep_out_complete()
690 	if (midi2->info.process_ump)  in f_midi2_ep_out_complete()
695 	if (midi2->operation_mode != MIDI_OP_MODE_MIDI2)  in f_midi2_ep_out_complete()
710 	struct f_midi2 *midi2 = ep->card;  in process_ump_transmit()  local
722 				       midi2->info.req_buf_size);  in process_ump_transmit()
740 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ep_in_complete()  local
746 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_ep_in_complete()
763 static bool process_midi1_byte(struct f_midi2 *midi2, u8 cable, u8 b,  in process_midi1_byte()  argument
766 	struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in process_midi1_byte()
916 		if (midi2->info.req_buf_size - req->length <= 4) {  in process_midi1_byte()
931 static bool process_midi1_pending_buf(struct f_midi2 *midi2,  in process_midi1_pending_buf()  argument
936 	for (cable = 0; cable < midi2->num_midi1_in; cable++) {  in process_midi1_pending_buf()
937 		struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in process_midi1_pending_buf()
942 			if (process_midi1_byte(midi2, cable, port->buf[c],  in process_midi1_pending_buf()
959 static void fill_midi1_pending_buf(struct f_midi2 *midi2, u8 cable, u8 *buf,  in fill_midi1_pending_buf()  argument
962 	struct f_midi2_midi1_port *port = &midi2->midi1_port[cable];  in fill_midi1_pending_buf()
971 static void process_midi1_transmit(struct f_midi2 *midi2)  in process_midi1_transmit()  argument
973 	struct f_midi2_usb_ep *usb_ep = &midi2->midi1_ep_in;  in process_midi1_transmit()
974 	struct f_midi2_ep *ep = &midi2->midi2_eps[0];  in process_midi1_transmit()
992 		if (process_midi1_pending_buf(midi2, &req))  in process_midi1_transmit()
1008 		fill_midi1_pending_buf(midi2, cable, outbuf, size);  in process_midi1_transmit()
1024 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_in_complete()  local
1030 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_midi1_ep_in_complete()
1035 	process_midi1_transmit(midi2);  in f_midi2_midi1_ep_in_complete()
1043 	struct f_midi2 *midi2 = ctx->usb_ep->card;  in f_midi2_midi1_ep_out_complete()  local
1045 	struct ump_cvt_to_ump *cvt = &midi2->midi1_ump_cvt;  in f_midi2_midi1_ep_out_complete()
1054 		DBG(midi2, "%s complete error %d: %d/%d\n",  in f_midi2_midi1_ep_out_complete()
1062 		ep = midi2->out_cable_mapping[cable].ep;  in f_midi2_midi1_ep_out_complete()
1065 		group = midi2->out_cable_mapping[cable].group;  in f_midi2_midi1_ep_out_complete()
1078 	if (midi2->operation_mode != MIDI_OP_MODE_MIDI1)  in f_midi2_midi1_ep_out_complete()
1128 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_alloc_ep_reqs()  local
1136 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_alloc_ep_reqs()
1140 						   midi2->info.req_buf_size);  in f_midi2_alloc_ep_reqs()
1151 	struct f_midi2 *midi2 = usb_ep->card;  in f_midi2_free_ep_reqs()  local
1154 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_free_ep_reqs()
1163 static int f_midi2_init_ep(struct f_midi2 *midi2, struct f_midi2_ep *ep,  in f_midi2_init_ep()  argument
1171 	usb_ep->card = midi2;  in f_midi2_init_ep()
1173 	usb_ep->usb_ep = usb_ep_autoconfig(midi2->gadget, desc);  in f_midi2_init_ep()
1178 	usb_ep->reqs = kcalloc(midi2->info.num_reqs, sizeof(*usb_ep->reqs),  in f_midi2_init_ep()
1182 	for (i = 0; i < midi2->info.num_reqs; i++) {  in f_midi2_init_ep()
1267 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_set_alt()  local
1271 	if (intf != midi2->midi_if || alt > 1)  in f_midi2_set_alt()
1281 	if (midi2->operation_mode == op_mode)  in f_midi2_set_alt()
1284 	midi2->operation_mode = op_mode;  in f_midi2_set_alt()
1287 		f_midi2_stop_eps(&midi2->midi1_ep_in, &midi2->midi1_ep_out);  in f_midi2_set_alt()
1290 		for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_set_alt()
1291 			ep = &midi2->midi2_eps[i];  in f_midi2_set_alt()
1297 		return f_midi2_start_eps(&midi2->midi1_ep_in,  in f_midi2_set_alt()
1298 					 &midi2->midi1_ep_out, fn);  in f_midi2_set_alt()
1301 		for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_set_alt()
1302 			ep = &midi2->midi2_eps[i];  in f_midi2_set_alt()
1316 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_get_alt()  local
1318 	if (intf == midi2->midi_if &&  in f_midi2_get_alt()
1319 	    midi2->operation_mode == MIDI_OP_MODE_MIDI2)  in f_midi2_get_alt()
1338 static void assign_block_descriptors(struct f_midi2 *midi2,  in assign_block_descriptors()  argument
1349 	len = sizeof(gtb_header_desc) + sizeof(gtb_desc) * midi2->total_blocks;  in assign_block_descriptors()
1350 	if (WARN_ON(len > midi2->info.req_buf_size))  in assign_block_descriptors()
1365 	for (i = 0; i < midi2->num_eps; i++) {  in assign_block_descriptors()
1366 		ep = &midi2->midi2_eps[i];  in assign_block_descriptors()
1400 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_setup()  local
1419 	assign_block_descriptors(midi2, req, length);  in f_midi2_setup()
1426 	struct f_midi2 *midi2 = func_to_midi2(fn);  in f_midi2_disable()  local
1428 	midi2->operation_mode = MIDI_OP_MODE_UNSET;  in f_midi2_disable()
1446 	struct f_midi2 *midi2 = ep->card;  in f_midi2_ump_trigger()  local
1449 		switch (midi2->operation_mode) {  in f_midi2_ump_trigger()
1451 			process_midi1_transmit(midi2);  in f_midi2_ump_trigger()
1487 	struct f_midi2 *midi2 = snd_kcontrol_chip(kcontrol);  in f_midi2_operation_mode_get()  local
1489 	ucontrol->value.integer.value[0] = midi2->operation_mode;  in f_midi2_operation_mode_get()
1504 static void f_midi2_free_card(struct f_midi2 *midi2)  in f_midi2_free_card()  argument
1506 	if (midi2->card) {  in f_midi2_free_card()
1507 		snd_card_free_when_closed(midi2->card);  in f_midi2_free_card()
1508 		midi2->card = NULL;  in f_midi2_free_card()
1521 static int f_midi2_create_card(struct f_midi2 *midi2)  in f_midi2_create_card()  argument
1529 	err = snd_card_new(&midi2->gadget->dev, -1, NULL, THIS_MODULE, 0,  in f_midi2_create_card()
1533 	midi2->card = card;  in f_midi2_create_card()
1540 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_card()
1541 		ep = &midi2->midi2_eps[i];  in f_midi2_create_card()
1552 		if (midi2->info.static_block)  in f_midi2_create_card()
1590 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_card()
1591 		err = snd_ump_attach_legacy_rawmidi(midi2->midi2_eps[i].ump,  in f_midi2_create_card()
1598 	err = snd_ctl_add(card, snd_ctl_new1(&operation_mode_ctl, midi2));  in f_midi2_create_card()
1609 	f_midi2_free_card(midi2);  in f_midi2_create_card()
1659 static int append_midi1_in_jack(struct f_midi2 *midi2,  in append_midi1_in_jack()  argument
1684 static int append_midi1_out_jack(struct f_midi2 *midi2,  in append_midi1_out_jack()  argument
1712 static int f_midi2_create_usb_configs(struct f_midi2 *midi2,  in f_midi2_create_usb_configs()  argument
1725 		for (i = 0; i < midi2->num_eps; i++)  in f_midi2_create_usb_configs()
1736 		for (i = 0; i < midi2->num_eps; i++)  in f_midi2_create_usb_configs()
1748 	if (midi2->num_midi1_in && midi2->num_midi1_out)  in f_midi2_create_usb_configs()
1758 	if (midi2->num_midi1_out) {  in f_midi2_create_usb_configs()
1760 			USB_DT_MS_ENDPOINT_SIZE(midi2->num_midi1_out);  in f_midi2_create_usb_configs()
1763 			midi2->num_midi1_out;  in f_midi2_create_usb_configs()
1764 		total += midi2->num_midi1_out *  in f_midi2_create_usb_configs()
1766 		for (i = 0; i < midi2->num_midi1_out; i++) {  in f_midi2_create_usb_configs()
1767 			jack = append_midi1_in_jack(midi2, config,  in f_midi2_create_usb_configs()
1768 						    &midi2->in_cable_mapping[i],  in f_midi2_create_usb_configs()
1773 			jack = append_midi1_out_jack(midi2, config,  in f_midi2_create_usb_configs()
1774 						     &midi2->in_cable_mapping[i],  in f_midi2_create_usb_configs()
1781 	if (midi2->num_midi1_in) {  in f_midi2_create_usb_configs()
1783 			USB_DT_MS_ENDPOINT_SIZE(midi2->num_midi1_in);  in f_midi2_create_usb_configs()
1786 			midi2->num_midi1_in;  in f_midi2_create_usb_configs()
1787 		total += midi2->num_midi1_in *  in f_midi2_create_usb_configs()
1789 		for (i = 0; i < midi2->num_midi1_in; i++) {  in f_midi2_create_usb_configs()
1790 			jack = append_midi1_in_jack(midi2, config,  in f_midi2_create_usb_configs()
1791 						    &midi2->out_cable_mapping[i],  in f_midi2_create_usb_configs()
1795 			jack = append_midi1_out_jack(midi2, config,  in f_midi2_create_usb_configs()
1796 						     &midi2->out_cable_mapping[i],  in f_midi2_create_usb_configs()
1806 	if (midi2->num_midi1_out) {  in f_midi2_create_usb_configs()
1811 	if (midi2->num_midi1_in) {  in f_midi2_create_usb_configs()
1821 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_create_usb_configs()
1873 static int f_midi2_init_midi2_ep_in(struct f_midi2 *midi2, int index)  in f_midi2_init_midi2_ep_in()  argument
1875 	struct f_midi2_ep *ep = &midi2->midi2_eps[index];  in f_midi2_init_midi2_ep_in()
1887 	return f_midi2_init_ep(midi2, ep, &ep->ep_in, desc,  in f_midi2_init_midi2_ep_in()
1892 static int f_midi2_init_midi2_ep_out(struct f_midi2 *midi2, int index)  in f_midi2_init_midi2_ep_out()  argument
1894 	struct f_midi2_ep *ep = &midi2->midi2_eps[index];  in f_midi2_init_midi2_ep_out()
1904 	return f_midi2_init_ep(midi2, ep, &ep->ep_out, desc,  in f_midi2_init_midi2_ep_out()
1912 	struct f_midi2 *midi2 = func_to_midi2(f);  in f_midi2_bind()  local
1917 		.strings = midi2->string_defs,  in f_midi2_bind()
1925 	midi2->gadget = cdev->gadget;  in f_midi2_bind()
1926 	midi2->operation_mode = MIDI_OP_MODE_UNSET;  in f_midi2_bind()
1928 	status = f_midi2_create_card(midi2);  in f_midi2_bind()
1933 	midi2->strings = usb_gstrings_attach(c->cdev, strings,  in f_midi2_bind()
1934 					     midi2->total_blocks + 1);  in f_midi2_bind()
1935 	if (IS_ERR(midi2->strings)) {  in f_midi2_bind()
1936 		status = PTR_ERR(midi2->strings);  in f_midi2_bind()
1941 	midi2_midi1_if_desc.iInterface = midi2->strings[STR_IFACE].id;  in f_midi2_bind()
1942 	midi2_midi2_if_desc.iInterface = midi2->strings[STR_IFACE].id;  in f_midi2_bind()
1943 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_bind()
1944 		ep = &midi2->midi2_eps[i];  in f_midi2_bind()
1947 				midi2->strings[gtb_to_str_id(ep->blks[blk].gtb_id)].id;  in f_midi2_bind()
1950 	midi2_midi2_if_desc.bNumEndpoints = midi2->num_eps * 2;  in f_midi2_bind()
1962 	midi2->midi_if = status;  in f_midi2_bind()
1968 	if (midi2->midi2_eps[0].blks[0].info.direction != SNDRV_UMP_DIR_OUTPUT) {  in f_midi2_bind()
1969 		status = f_midi2_init_ep(midi2, NULL, &midi2->midi1_ep_in,  in f_midi2_bind()
1976 	if (midi2->midi2_eps[0].blks[0].info.direction != SNDRV_UMP_DIR_INPUT) {  in f_midi2_bind()
1977 		status = f_midi2_init_ep(midi2, NULL, &midi2->midi1_ep_out,  in f_midi2_bind()
1984 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_bind()
1985 		status = f_midi2_init_midi2_ep_in(midi2, i);  in f_midi2_bind()
1988 		status = f_midi2_init_midi2_ep_out(midi2, i);  in f_midi2_bind()
1993 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_FULL);  in f_midi2_bind()
2003 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_HIGH);  in f_midi2_bind()
2013 	status = f_midi2_create_usb_configs(midi2, &config, USB_SPEED_SUPER);  in f_midi2_bind()
2031 	f_midi2_free_card(midi2);  in f_midi2_bind()
2033 	ERROR(midi2, "%s: can't bind, err %d\n", f->name, status);  in f_midi2_bind()
2040 	struct f_midi2 *midi2 = func_to_midi2(f);  in f_midi2_unbind()  local
2043 	f_midi2_free_card(midi2);  in f_midi2_unbind()
2045 	f_midi2_free_ep(&midi2->midi1_ep_in);  in f_midi2_unbind()
2046 	f_midi2_free_ep(&midi2->midi1_ep_out);  in f_midi2_unbind()
2047 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_unbind()
2048 		f_midi2_free_ep(&midi2->midi2_eps[i].ep_in);  in f_midi2_unbind()
2049 		f_midi2_free_ep(&midi2->midi2_eps[i].ep_out);  in f_midi2_unbind()
2677 static void do_f_midi2_free(struct f_midi2 *midi2, struct f_midi2_opts *opts)  in do_f_midi2_free()  argument
2682 	kfree(midi2->string_defs);  in do_f_midi2_free()
2683 	kfree(midi2);  in do_f_midi2_free()
2747 static void fill_midi1_cable_mapping(struct f_midi2 *midi2,  in fill_midi1_cable_mapping()  argument
2759 		map = midi2->in_cable_mapping + midi2->num_midi1_in;  in fill_midi1_cable_mapping()
2761 			if (midi2->num_midi1_in >= MAX_CABLES)  in fill_midi1_cable_mapping()
2766 			midi2->num_midi1_in++;  in fill_midi1_cable_mapping()
2768 			ep->in_group_to_cable[group] = midi2->num_midi1_in;  in fill_midi1_cable_mapping()
2774 		map = midi2->out_cable_mapping + midi2->num_midi1_out;  in fill_midi1_cable_mapping()
2776 			if (midi2->num_midi1_out >= MAX_CABLES)  in fill_midi1_cable_mapping()
2781 			midi2->num_midi1_out++;  in fill_midi1_cable_mapping()
2789 	struct f_midi2 *midi2;  in f_midi2_alloc()  local
2795 	midi2 = kzalloc(sizeof(*midi2), GFP_KERNEL);  in f_midi2_alloc()
2796 	if (!midi2)  in f_midi2_alloc()
2804 		kfree(midi2);  in f_midi2_alloc()
2810 	spin_lock_init(&midi2->queue_lock);  in f_midi2_alloc()
2812 	midi2->func.name = "midi2_func";  in f_midi2_alloc()
2813 	midi2->func.bind = f_midi2_bind;  in f_midi2_alloc()
2814 	midi2->func.unbind = f_midi2_unbind;  in f_midi2_alloc()
2815 	midi2->func.get_alt = f_midi2_get_alt;  in f_midi2_alloc()
2816 	midi2->func.set_alt = f_midi2_set_alt;  in f_midi2_alloc()
2817 	midi2->func.setup = f_midi2_setup;  in f_midi2_alloc()
2818 	midi2->func.disable = f_midi2_disable;  in f_midi2_alloc()
2819 	midi2->func.free_func = f_midi2_free;  in f_midi2_alloc()
2821 	midi2->info = opts->info;  in f_midi2_alloc()
2822 	midi2->num_eps = num_eps;  in f_midi2_alloc()
2825 		ep = &midi2->midi2_eps[i];  in f_midi2_alloc()
2827 		ep->card = midi2;  in f_midi2_alloc()
2833 			bp->gtb_id = ++midi2->total_blocks;  in f_midi2_alloc()
2837 	midi2->string_defs = kcalloc(midi2->total_blocks + 1,  in f_midi2_alloc()
2838 				     sizeof(*midi2->string_defs), GFP_KERNEL);  in f_midi2_alloc()
2839 	if (!midi2->string_defs) {  in f_midi2_alloc()
2840 		do_f_midi2_free(midi2, opts);  in f_midi2_alloc()
2845 		midi2->string_defs[STR_IFACE].s = opts->info.iface_name;  in f_midi2_alloc()
2847 		midi2->string_defs[STR_IFACE].s = ump_ep_name(&midi2->midi2_eps[0]);  in f_midi2_alloc()
2849 	for (i = 0; i < midi2->num_eps; i++) {  in f_midi2_alloc()
2850 		ep = &midi2->midi2_eps[i];  in f_midi2_alloc()
2853 			midi2->string_defs[gtb_to_str_id(bp->gtb_id)].s =  in f_midi2_alloc()
2856 			fill_midi1_cable_mapping(midi2, ep, blk);  in f_midi2_alloc()
2860 	if (!midi2->num_midi1_in && !midi2->num_midi1_out) {  in f_midi2_alloc()
2862 		do_f_midi2_free(midi2, opts);  in f_midi2_alloc()
2866 	return &midi2->func;  in f_midi2_alloc()
2869 DECLARE_USB_FUNCTION_INIT(midi2, f_midi2_alloc_inst, f_midi2_alloc);