103 	void (*output)(struct snd_usb_midi_out_endpoint *ep, struct urb *urb);
104 	void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t);
139 		struct urb *urb;  member
171 	struct urb *urbs[INPUT_URBS];
192 static int snd_usbmidi_submit_urb(struct urb *urb, gfp_t flags)  in snd_usbmidi_submit_urb()  argument
194 	int err = usb_submit_urb(urb, flags);  in snd_usbmidi_submit_urb()
196 		dev_err(&urb->dev->dev, "usb_submit_urb: %d\n", err);  in snd_usbmidi_submit_urb()
203 static int snd_usbmidi_urb_error(const struct urb *urb)  in snd_usbmidi_urb_error()  argument
205 	switch (urb->status) {  in snd_usbmidi_urb_error()
218 		dev_err(&urb->dev->dev, "urb status %d\n", urb->status);  in snd_usbmidi_urb_error()
255 static void snd_usbmidi_in_urb_complete(struct urb *urb)  in snd_usbmidi_in_urb_complete()  argument
257 	struct snd_usb_midi_in_endpoint *ep = urb->context;  in snd_usbmidi_in_urb_complete()
259 	if (urb->status == 0) {  in snd_usbmidi_in_urb_complete()
260 		dump_urb("received", urb->transfer_buffer, urb->actual_length);  in snd_usbmidi_in_urb_complete()
261 		ep->umidi->usb_protocol_ops->input(ep, urb->transfer_buffer,  in snd_usbmidi_in_urb_complete()
262 						   urb->actual_length);  in snd_usbmidi_in_urb_complete()
264 		int err = snd_usbmidi_urb_error(urb);  in snd_usbmidi_in_urb_complete()
275 	urb->dev = ep->umidi->dev;  in snd_usbmidi_in_urb_complete()
276 	snd_usbmidi_submit_urb(urb, GFP_ATOMIC);  in snd_usbmidi_in_urb_complete()
279 static void snd_usbmidi_out_urb_complete(struct urb *urb)  in snd_usbmidi_out_urb_complete()  argument
281 	struct out_urb_context *context = urb->context;  in snd_usbmidi_out_urb_complete()
293 	if (urb->status < 0) {  in snd_usbmidi_out_urb_complete()
294 		int err = snd_usbmidi_urb_error(urb);  in snd_usbmidi_out_urb_complete()
312 	struct urb *urb;  in snd_usbmidi_do_output()  local
324 			urb = ep->urbs[urb_index].urb;  in snd_usbmidi_do_output()
325 			urb->transfer_buffer_length = 0;  in snd_usbmidi_do_output()
326 			ep->umidi->usb_protocol_ops->output(ep, urb);  in snd_usbmidi_do_output()
327 			if (urb->transfer_buffer_length == 0)  in snd_usbmidi_do_output()
330 			dump_urb("sending", urb->transfer_buffer,  in snd_usbmidi_do_output()
331 				 urb->transfer_buffer_length);  in snd_usbmidi_do_output()
332 			urb->dev = ep->umidi->dev;  in snd_usbmidi_do_output()
333 			if (snd_usbmidi_submit_urb(urb, GFP_ATOMIC) < 0)  in snd_usbmidi_do_output()
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()
522 static void snd_usbmidi_output_standard_packet(struct urb *urb, uint8_t p0,  in snd_usbmidi_output_standard_packet()  argument
528 		(uint8_t *)urb->transfer_buffer + urb->transfer_buffer_length;  in snd_usbmidi_output_standard_packet()
533 	urb->transfer_buffer_length += 4;  in snd_usbmidi_output_standard_packet()
539 static void snd_usbmidi_output_midiman_packet(struct urb *urb, uint8_t p0,  in snd_usbmidi_output_midiman_packet()  argument
545 		(uint8_t *)urb->transfer_buffer + urb->transfer_buffer_length;  in snd_usbmidi_output_midiman_packet()
550 	urb->transfer_buffer_length += 4;  in snd_usbmidi_output_midiman_packet()
557 				      uint8_t b, struct urb *urb)  in snd_usbmidi_transmit_byte()  argument
560 	void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t) =  in snd_usbmidi_transmit_byte()
564 		output_packet(urb, p0 | 0x0f, b, 0, 0);  in snd_usbmidi_transmit_byte()
585 			output_packet(urb, p0 | 0x05, 0xf6, 0, 0);  in snd_usbmidi_transmit_byte()
591 				output_packet(urb, p0 | 0x05, 0xf7, 0, 0);  in snd_usbmidi_transmit_byte()
594 				output_packet(urb, p0 | 0x06, port->data[0],  in snd_usbmidi_transmit_byte()
598 				output_packet(urb, p0 | 0x07, port->data[0],  in snd_usbmidi_transmit_byte()
620 			output_packet(urb, p0, port->data[0], b, 0);  in snd_usbmidi_transmit_byte()
634 			output_packet(urb, p0, port->data[0], port->data[1], b);  in snd_usbmidi_transmit_byte()
645 			output_packet(urb, p0 | 0x04, port->data[0],  in snd_usbmidi_transmit_byte()
654 					struct urb *urb)  in snd_usbmidi_standard_output()  argument
663 		while (urb->transfer_buffer_length + 3 < ep->max_transfer) {  in snd_usbmidi_standard_output()
669 			snd_usbmidi_transmit_byte(port, b, urb);  in snd_usbmidi_standard_output()
737 				    struct urb *urb)  in snd_usbmidi_akai_output()  argument
747 	msg = urb->transfer_buffer + urb->transfer_buffer_length;  in snd_usbmidi_akai_output()
751 	while (urb->transfer_buffer_length < buf_end) {  in snd_usbmidi_akai_output()
784 			urb->transfer_buffer_length += count + 1;  in snd_usbmidi_akai_output()
818 					struct urb *urb)  in snd_usbmidi_novation_output()  argument
825 	transfer_buffer = urb->transfer_buffer;  in snd_usbmidi_novation_output()
835 	urb->transfer_buffer_length = 2 + count;  in snd_usbmidi_novation_output()
854 				   struct urb *urb)  in snd_usbmidi_raw_output()  argument
861 				     urb->transfer_buffer,  in snd_usbmidi_raw_output()
867 	urb->transfer_buffer_length = count;  in snd_usbmidi_raw_output()
904 				      struct urb *urb)  in snd_usbmidi_us122l_output()  argument
919 				     urb->transfer_buffer,  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()
1017 				      struct urb *urb)  in snd_usbmidi_emagic_output()  argument
1020 	uint8_t *buf = urb->transfer_buffer;  in snd_usbmidi_emagic_output()
1060 	urb->transfer_buffer_length = ep->max_transfer - buf_free;  in snd_usbmidi_emagic_output()
1248 static void free_urb_and_buffer(struct snd_usb_midi *umidi, struct urb *urb,  in free_urb_and_buffer()  argument
1252 			  urb->transfer_buffer, urb->transfer_dma);  in free_urb_and_buffer()
1253 	usb_free_urb(urb);  in free_urb_and_buffer()
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()
1337 			ep->urbs[i].urb = NULL;  in snd_usbmidi_out_endpoint_clear()
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()
1405 					    &ep->urbs[i].urb->transfer_dma);  in snd_usbmidi_out_endpoint_create()
1411 			usb_fill_int_urb(ep->urbs[i].urb, umidi->dev,  in snd_usbmidi_out_endpoint_create()
1416 			usb_fill_bulk_urb(ep->urbs[i].urb, umidi->dev,  in snd_usbmidi_out_endpoint_create()
1420 		ep->urbs[i].urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in snd_usbmidi_out_endpoint_create()
1484 				usb_kill_urb(ep->out->urbs[j].urb);  in snd_usbmidi_disconnect()
2268 		struct urb *urb = ep->urbs[i];  in snd_usbmidi_input_start_ep()  local
2269 		urb->dev = ep->umidi->dev;  in snd_usbmidi_input_start_ep()
2270 		snd_usbmidi_submit_urb(urb, GFP_KERNEL);  in snd_usbmidi_input_start_ep()