103 	void (*output)(struct snd_usb_midi_out_endpoint *ep, struct urb *urb);
140 		struct snd_usb_midi_out_endpoint *ep;  member
150 		struct snd_usb_midi_out_endpoint *ep;  member
183 static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint *ep);
226 static void snd_usbmidi_input_data(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_input_data()  argument
229 	struct usbmidi_in_port *port = &ep->ports[portidx];  in snd_usbmidi_input_data()
232 		dev_dbg(&ep->umidi->dev->dev, "unexpected port %d!\n", portidx);  in snd_usbmidi_input_data()
235 	if (!test_bit(port->substream->number, &ep->umidi->input_triggered))  in snd_usbmidi_input_data()
257 	struct snd_usb_midi_in_endpoint *ep = urb->context;  in snd_usbmidi_in_urb_complete()  local
261 		ep->umidi->usb_protocol_ops->input(ep, urb->transfer_buffer,  in snd_usbmidi_in_urb_complete()
267 				ep->error_resubmit = 1;  in snd_usbmidi_in_urb_complete()
268 				mod_timer(&ep->umidi->error_timer,  in snd_usbmidi_in_urb_complete()
275 	urb->dev = ep->umidi->dev;  in snd_usbmidi_in_urb_complete()
282 	struct snd_usb_midi_out_endpoint *ep = context->ep;  in snd_usbmidi_out_urb_complete()  local
285 	spin_lock(&ep->buffer_lock);  in snd_usbmidi_out_urb_complete()
286 	urb_index = context - ep->urbs;  in snd_usbmidi_out_urb_complete()
287 	ep->active_urbs &= ~(1 << urb_index);  in snd_usbmidi_out_urb_complete()
288 	if (unlikely(ep->drain_urbs)) {  in snd_usbmidi_out_urb_complete()
289 		ep->drain_urbs &= ~(1 << urb_index);  in snd_usbmidi_out_urb_complete()
290 		wake_up(&ep->drain_wait);  in snd_usbmidi_out_urb_complete()
292 	spin_unlock(&ep->buffer_lock);  in snd_usbmidi_out_urb_complete()
297 				mod_timer(&ep->umidi->error_timer,  in snd_usbmidi_out_urb_complete()
302 	snd_usbmidi_do_output(ep);  in snd_usbmidi_out_urb_complete()
309 static void snd_usbmidi_do_output(struct snd_usb_midi_out_endpoint *ep)  in snd_usbmidi_do_output()  argument
315 	spin_lock_irqsave(&ep->buffer_lock, flags);  in snd_usbmidi_do_output()
316 	if (ep->umidi->disconnected) {  in snd_usbmidi_do_output()
317 		spin_unlock_irqrestore(&ep->buffer_lock, flags);  in snd_usbmidi_do_output()
321 	urb_index = ep->next_urb;  in snd_usbmidi_do_output()
323 		if (!(ep->active_urbs & (1 << urb_index))) {  in snd_usbmidi_do_output()
324 			urb = ep->urbs[urb_index].urb;  in snd_usbmidi_do_output()
326 			ep->umidi->usb_protocol_ops->output(ep, urb);  in snd_usbmidi_do_output()
332 			urb->dev = ep->umidi->dev;  in snd_usbmidi_do_output()
335 			ep->active_urbs |= 1 << urb_index;  in snd_usbmidi_do_output()
339 		if (urb_index == ep->next_urb)  in snd_usbmidi_do_output()
342 	ep->next_urb = urb_index;  in snd_usbmidi_do_output()
343 	spin_unlock_irqrestore(&ep->buffer_lock, flags);  in snd_usbmidi_do_output()
348 	struct snd_usb_midi_out_endpoint *ep =  in snd_usbmidi_out_tasklet()  local
351 	snd_usbmidi_do_output(ep);  in snd_usbmidi_out_tasklet()
383 static int send_bulk_static_data(struct snd_usb_midi_out_endpoint *ep,  in send_bulk_static_data()  argument
391 	if (ep->urbs[0].urb)  in send_bulk_static_data()
392 		err = usb_bulk_msg(ep->umidi->dev, ep->urbs[0].urb->pipe,  in send_bulk_static_data()
404 static void snd_usbmidi_standard_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_standard_input()  argument
413 			snd_usbmidi_input_data(ep, cable, &buffer[i + 1],  in snd_usbmidi_standard_input()
418 static void snd_usbmidi_midiman_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_midiman_input()  argument
427 			snd_usbmidi_input_data(ep, port, &buffer[i], length);  in snd_usbmidi_midiman_input()
436 					struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_maudio_broken_running_status_input()  argument
445 			struct usbmidi_in_port *port = &ep->ports[cable];  in snd_usbmidi_maudio_broken_running_status_input()
467 			snd_usbmidi_input_data(ep, cable, &buffer[i + 1],  in snd_usbmidi_maudio_broken_running_status_input()
476 static void ch345_broken_sysex_input(struct snd_usb_midi_in_endpoint *ep,  in ch345_broken_sysex_input()  argument
485 		if (ep->in_sysex &&  in ch345_broken_sysex_input()
486 		    cin == ep->last_cin &&  in ch345_broken_sysex_input()
498 		snd_usbmidi_input_data(ep, 0, &buffer[i + 1], length);  in ch345_broken_sysex_input()
499 		ep->in_sysex = cin == 0x4;  in ch345_broken_sysex_input()
500 		if (!ep->in_sysex)  in ch345_broken_sysex_input()
501 			ep->last_cin = cin;  in ch345_broken_sysex_input()
509 static void snd_usbmidi_cme_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_cme_input()  argument
513 		snd_usbmidi_standard_input(ep, buffer, buffer_length);  in snd_usbmidi_cme_input()
515 		snd_usbmidi_input_data(ep, buffer[0] >> 4,  in snd_usbmidi_cme_input()
561 		port->ep->umidi->usb_protocol_ops->output_packet;  in snd_usbmidi_transmit_byte()
653 static void snd_usbmidi_standard_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_standard_output()  argument
660 		struct usbmidi_out_port *port = &ep->ports[p];  in snd_usbmidi_standard_output()
663 		while (urb->transfer_buffer_length + 3 < ep->max_transfer) {  in snd_usbmidi_standard_output()
719 static void snd_usbmidi_akai_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_akai_input()  argument
729 			snd_usbmidi_input_data(ep, 0, &buffer[pos], msg_len);  in snd_usbmidi_akai_input()
736 static void snd_usbmidi_akai_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_akai_output()  argument
742 	struct snd_rawmidi_substream *substream = ep->ports[0].substream;  in snd_usbmidi_akai_output()
744 	if (!ep->ports[0].active)  in snd_usbmidi_akai_output()
748 	buf_end = ep->max_transfer - MAX_AKAI_SYSEX_LEN - 1;  in snd_usbmidi_akai_output()
755 			ep->ports[0].active = 0;  in snd_usbmidi_akai_output()
790 			ep->ports[0].active = 0;  in snd_usbmidi_akai_output()
809 static void snd_usbmidi_novation_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_novation_input()  argument
814 	snd_usbmidi_input_data(ep, 0, &buffer[2], buffer[0] - 1);  in snd_usbmidi_novation_input()
817 static void snd_usbmidi_novation_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_novation_output()  argument
823 	if (!ep->ports[0].active)  in snd_usbmidi_novation_output()
826 	count = snd_rawmidi_transmit(ep->ports[0].substream,  in snd_usbmidi_novation_output()
828 				     ep->max_transfer - 2);  in snd_usbmidi_novation_output()
830 		ep->ports[0].active = 0;  in snd_usbmidi_novation_output()
847 static void snd_usbmidi_raw_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_raw_input()  argument
850 	snd_usbmidi_input_data(ep, 0, buffer, buffer_length);  in snd_usbmidi_raw_input()
853 static void snd_usbmidi_raw_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_raw_output()  argument
858 	if (!ep->ports[0].active)  in snd_usbmidi_raw_output()
860 	count = snd_rawmidi_transmit(ep->ports[0].substream,  in snd_usbmidi_raw_output()
862 				     ep->max_transfer);  in snd_usbmidi_raw_output()
864 		ep->ports[0].active = 0;  in snd_usbmidi_raw_output()
879 static void snd_usbmidi_ftdi_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_ftdi_input()  argument
883 		snd_usbmidi_input_data(ep, 0, buffer + 2, buffer_length - 2);  in snd_usbmidi_ftdi_input()
891 static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_us122l_input()  argument
900 		snd_usbmidi_input_data(ep, 0, buffer, buffer_length);  in snd_usbmidi_us122l_input()
903 static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_us122l_output()  argument
908 	if (!ep->ports[0].active)  in snd_usbmidi_us122l_output()
910 	switch (snd_usb_get_speed(ep->umidi->dev)) {  in snd_usbmidi_us122l_output()
918 	count = snd_rawmidi_transmit(ep->ports[0].substream,  in snd_usbmidi_us122l_output()
922 		ep->ports[0].active = 0;  in snd_usbmidi_us122l_output()
926 	memset(urb->transfer_buffer + count, 0xFD, ep->max_transfer - count);  in snd_usbmidi_us122l_output()
927 	urb->transfer_buffer_length = ep->max_transfer;  in snd_usbmidi_us122l_output()
939 static void snd_usbmidi_emagic_init_out(struct snd_usb_midi_out_endpoint *ep)  in snd_usbmidi_emagic_init_out()  argument
951 	send_bulk_static_data(ep, init_data, sizeof(init_data));  in snd_usbmidi_emagic_init_out()
953 	send_bulk_static_data(ep, init_data, sizeof(init_data));  in snd_usbmidi_emagic_init_out()
956 static void snd_usbmidi_emagic_finish_out(struct snd_usb_midi_out_endpoint *ep)  in snd_usbmidi_emagic_finish_out()  argument
969 	send_bulk_static_data(ep, finish_data, sizeof(finish_data));  in snd_usbmidi_emagic_finish_out()
972 static void snd_usbmidi_emagic_input(struct snd_usb_midi_in_endpoint *ep,  in snd_usbmidi_emagic_input()  argument
985 	if (ep->seen_f5)  in snd_usbmidi_emagic_input()
993 		snd_usbmidi_input_data(ep, ep->current_port, buffer, i);  in snd_usbmidi_emagic_input()
1000 		ep->seen_f5 = 1;  in snd_usbmidi_emagic_input()
1008 			ep->current_port = (buffer[0] - 1) & 15;  in snd_usbmidi_emagic_input()
1012 		ep->seen_f5 = 0;  in snd_usbmidi_emagic_input()
1016 static void snd_usbmidi_emagic_output(struct snd_usb_midi_out_endpoint *ep,  in snd_usbmidi_emagic_output()  argument
1019 	int port0 = ep->current_port;  in snd_usbmidi_emagic_output()
1021 	int buf_free = ep->max_transfer;  in snd_usbmidi_emagic_output()
1027 		struct usbmidi_out_port *port = &ep->ports[portnum];  in snd_usbmidi_emagic_output()
1036 		if (portnum != ep->current_port) {  in snd_usbmidi_emagic_output()
1039 			ep->current_port = portnum;  in snd_usbmidi_emagic_output()
1056 	if (buf_free < ep->max_transfer && buf_free > 0) {  in snd_usbmidi_emagic_output()
1060 	urb->transfer_buffer_length = ep->max_transfer - buf_free;  in snd_usbmidi_emagic_output()
1172 		if (port->ep->umidi->disconnected) {  in snd_usbmidi_output_trigger()
1179 		tasklet_schedule(&port->ep->tasklet);  in snd_usbmidi_output_trigger()
1186 	struct snd_usb_midi_out_endpoint *ep = port->ep;  in snd_usbmidi_output_drain()  local
1191 	if (ep->umidi->disconnected)  in snd_usbmidi_output_drain()
1197 	spin_lock_irq(&ep->buffer_lock);  in snd_usbmidi_output_drain()
1198 	drain_urbs = ep->active_urbs;  in snd_usbmidi_output_drain()
1200 		ep->drain_urbs |= drain_urbs;  in snd_usbmidi_output_drain()
1202 			prepare_to_wait(&ep->drain_wait, &wait,  in snd_usbmidi_output_drain()
1204 			spin_unlock_irq(&ep->buffer_lock);  in snd_usbmidi_output_drain()
1206 			spin_lock_irq(&ep->buffer_lock);  in snd_usbmidi_output_drain()
1207 			drain_urbs &= ep->drain_urbs;  in snd_usbmidi_output_drain()
1209 		finish_wait(&ep->drain_wait, &wait);  in snd_usbmidi_output_drain()
1211 	spin_unlock_irq(&ep->buffer_lock);  in snd_usbmidi_output_drain()
1260 static void snd_usbmidi_in_endpoint_delete(struct snd_usb_midi_in_endpoint *ep)  in snd_usbmidi_in_endpoint_delete()  argument
1265 		if (ep->urbs[i])  in snd_usbmidi_in_endpoint_delete()
1266 			free_urb_and_buffer(ep->umidi, ep->urbs[i],  in snd_usbmidi_in_endpoint_delete()
1267 					    ep->urbs[i]->transfer_buffer_length);  in snd_usbmidi_in_endpoint_delete()
1268 	kfree(ep);  in snd_usbmidi_in_endpoint_delete()
1278 	struct snd_usb_midi_in_endpoint *ep;  in snd_usbmidi_in_endpoint_create()  local
1285 	ep = kzalloc(sizeof(*ep), GFP_KERNEL);  in snd_usbmidi_in_endpoint_create()
1286 	if (!ep)  in snd_usbmidi_in_endpoint_create()
1288 	ep->umidi = umidi;  in snd_usbmidi_in_endpoint_create()
1291 		ep->urbs[i] = usb_alloc_urb(0, GFP_KERNEL);  in snd_usbmidi_in_endpoint_create()
1292 		if (!ep->urbs[i]) {  in snd_usbmidi_in_endpoint_create()
1293 			snd_usbmidi_in_endpoint_delete(ep);  in snd_usbmidi_in_endpoint_create()
1304 					    &ep->urbs[i]->transfer_dma);  in snd_usbmidi_in_endpoint_create()
1306 			snd_usbmidi_in_endpoint_delete(ep);  in snd_usbmidi_in_endpoint_create()
1310 			usb_fill_int_urb(ep->urbs[i], umidi->dev,  in snd_usbmidi_in_endpoint_create()
1313 					 ep, ep_info->in_interval);  in snd_usbmidi_in_endpoint_create()
1315 			usb_fill_bulk_urb(ep->urbs[i], umidi->dev,  in snd_usbmidi_in_endpoint_create()
1317 					  snd_usbmidi_in_urb_complete, ep);  in snd_usbmidi_in_endpoint_create()
1318 		ep->urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in snd_usbmidi_in_endpoint_create()
1321 	rep->in = ep;  in snd_usbmidi_in_endpoint_create()
1329 static void snd_usbmidi_out_endpoint_clear(struct snd_usb_midi_out_endpoint *ep)  in snd_usbmidi_out_endpoint_clear()  argument
1334 		if (ep->urbs[i].urb) {  in snd_usbmidi_out_endpoint_clear()
1335 			free_urb_and_buffer(ep->umidi, ep->urbs[i].urb,  in snd_usbmidi_out_endpoint_clear()
1336 					    ep->max_transfer);  in snd_usbmidi_out_endpoint_clear()
1337 			ep->urbs[i].urb = NULL;  in snd_usbmidi_out_endpoint_clear()
1341 static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint *ep)  in snd_usbmidi_out_endpoint_delete()  argument
1343 	snd_usbmidi_out_endpoint_clear(ep);  in snd_usbmidi_out_endpoint_delete()
1344 	kfree(ep);  in snd_usbmidi_out_endpoint_delete()
1354 	struct snd_usb_midi_out_endpoint *ep;  in snd_usbmidi_out_endpoint_create()  local
1360 	ep = kzalloc(sizeof(*ep), GFP_KERNEL);  in snd_usbmidi_out_endpoint_create()
1361 	if (!ep)  in snd_usbmidi_out_endpoint_create()
1363 	ep->umidi = umidi;  in snd_usbmidi_out_endpoint_create()
1366 		ep->urbs[i].urb = usb_alloc_urb(0, GFP_KERNEL);  in snd_usbmidi_out_endpoint_create()
1367 		if (!ep->urbs[i].urb) {  in snd_usbmidi_out_endpoint_create()
1368 			snd_usbmidi_out_endpoint_delete(ep);  in snd_usbmidi_out_endpoint_create()
1371 		ep->urbs[i].ep = ep;  in snd_usbmidi_out_endpoint_create()
1379 		ep->max_transfer = usb_maxpacket(umidi->dev, pipe, 1);  in snd_usbmidi_out_endpoint_create()
1392 		ep->max_transfer = 4;  in snd_usbmidi_out_endpoint_create()
1399 		ep->max_transfer = 9;  in snd_usbmidi_out_endpoint_create()
1404 					    ep->max_transfer, GFP_KERNEL,  in snd_usbmidi_out_endpoint_create()
1405 					    &ep->urbs[i].urb->transfer_dma);  in snd_usbmidi_out_endpoint_create()
1407 			snd_usbmidi_out_endpoint_delete(ep);  in snd_usbmidi_out_endpoint_create()
1411 			usb_fill_int_urb(ep->urbs[i].urb, umidi->dev,  in snd_usbmidi_out_endpoint_create()
1412 					 pipe, buffer, ep->max_transfer,  in snd_usbmidi_out_endpoint_create()
1414 					 &ep->urbs[i], ep_info->out_interval);  in snd_usbmidi_out_endpoint_create()
1416 			usb_fill_bulk_urb(ep->urbs[i].urb, umidi->dev,  in snd_usbmidi_out_endpoint_create()
1417 					  pipe, buffer, ep->max_transfer,  in snd_usbmidi_out_endpoint_create()
1419 					  &ep->urbs[i]);  in snd_usbmidi_out_endpoint_create()
1420 		ep->urbs[i].urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in snd_usbmidi_out_endpoint_create()
1423 	spin_lock_init(&ep->buffer_lock);  in snd_usbmidi_out_endpoint_create()
1424 	tasklet_init(&ep->tasklet, snd_usbmidi_out_tasklet, (unsigned long)ep);  in snd_usbmidi_out_endpoint_create()
1425 	init_waitqueue_head(&ep->drain_wait);  in snd_usbmidi_out_endpoint_create()
1429 			ep->ports[i].ep = ep;  in snd_usbmidi_out_endpoint_create()
1430 			ep->ports[i].cable = i << 4;  in snd_usbmidi_out_endpoint_create()
1434 		umidi->usb_protocol_ops->init_out_endpoint(ep);  in snd_usbmidi_out_endpoint_create()
1436 	rep->out = ep;  in snd_usbmidi_out_endpoint_create()
1448 		struct snd_usb_midi_endpoint *ep = &umidi->endpoints[i];  in snd_usbmidi_free()  local
1449 		if (ep->out)  in snd_usbmidi_free()
1450 			snd_usbmidi_out_endpoint_delete(ep->out);  in snd_usbmidi_free()
1451 		if (ep->in)  in snd_usbmidi_free()
1452 			snd_usbmidi_in_endpoint_delete(ep->in);  in snd_usbmidi_free()
1479 		struct snd_usb_midi_endpoint *ep = &umidi->endpoints[i];  in snd_usbmidi_disconnect()  local
1480 		if (ep->out)  in snd_usbmidi_disconnect()
1481 			tasklet_kill(&ep->out->tasklet);  in snd_usbmidi_disconnect()
1482 		if (ep->out) {  in snd_usbmidi_disconnect()
1484 				usb_kill_urb(ep->out->urbs[j].urb);  in snd_usbmidi_disconnect()
1486 				umidi->usb_protocol_ops->finish_out_endpoint(ep->out);  in snd_usbmidi_disconnect()
1487 			ep->out->active_urbs = 0;  in snd_usbmidi_disconnect()
1488 			if (ep->out->drain_urbs) {  in snd_usbmidi_disconnect()
1489 				ep->out->drain_urbs = 0;  in snd_usbmidi_disconnect()
1490 				wake_up(&ep->out->drain_wait);  in snd_usbmidi_disconnect()
1493 		if (ep->in)  in snd_usbmidi_disconnect()
1495 				usb_kill_urb(ep->in->urbs[j]);  in snd_usbmidi_disconnect()
1497 		if (ep->out)  in snd_usbmidi_disconnect()
1498 			snd_usbmidi_out_endpoint_clear(ep->out);  in snd_usbmidi_disconnect()
1499 		if (ep->in) {  in snd_usbmidi_disconnect()
1500 			snd_usbmidi_in_endpoint_delete(ep->in);  in snd_usbmidi_disconnect()
1501 			ep->in = NULL;  in snd_usbmidi_disconnect()
1816 	struct usb_endpoint_descriptor *ep;  in snd_usbmidi_get_ms_info()  local
1839 		ep = get_ep_desc(hostep);  in snd_usbmidi_get_ms_info()
1840 		if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep))  in snd_usbmidi_get_ms_info()
1848 		if (usb_endpoint_dir_out(ep)) {  in snd_usbmidi_get_ms_info()
1856 			endpoints[epidx].out_ep = usb_endpoint_num(ep);  in snd_usbmidi_get_ms_info()
1857 			if (usb_endpoint_xfer_int(ep))  in snd_usbmidi_get_ms_info()
1858 				endpoints[epidx].out_interval = ep->bInterval;  in snd_usbmidi_get_ms_info()
1869 				ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);  in snd_usbmidi_get_ms_info()
1878 			endpoints[epidx].in_ep = usb_endpoint_num(ep);  in snd_usbmidi_get_ms_info()
1879 			if (usb_endpoint_xfer_int(ep))  in snd_usbmidi_get_ms_info()
1880 				endpoints[epidx].in_interval = ep->bInterval;  in snd_usbmidi_get_ms_info()
1886 				ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack);  in snd_usbmidi_get_ms_info()
2252 		struct snd_usb_midi_endpoint *ep = &umidi->endpoints[i];  in snd_usbmidi_input_stop()  local
2253 		if (ep->in)  in snd_usbmidi_input_stop()
2255 				usb_kill_urb(ep->in->urbs[j]);  in snd_usbmidi_input_stop()
2261 static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint *ep)  in snd_usbmidi_input_start_ep()  argument
2265 	if (!ep)  in snd_usbmidi_input_start_ep()
2268 		struct urb *urb = ep->urbs[i];  in snd_usbmidi_input_start_ep()
2269 		urb->dev = ep->umidi->dev;  in snd_usbmidi_input_start_ep()