usb/host/sl811-hcd.c

29  * - use urb->iso_frame_desc[] with ISO transfers
125  * handlers (one per packet: ACK, NAK, faults, etc) and urb cancellation.
137 	struct urb		*urb,
149 	sl811_write_buf(sl811, addr, urb->setup_packet, len);
155 	writeb(usb_pipedevice(urb->pipe), data_reg);
168 	struct urb		*urb,
176 	do_out = urb->transfer_buffer_length && usb_pipein(urb->pipe);
183 	writeb(usb_pipedevice(urb->pipe), data_reg);
197  * urb->iso_frame_desc is currently ignored here...
202 	struct urb		*urb,
215 			&& usb_gettoggle(urb->dev, ep->epnum, 0))
223 	writeb(usb_pipedevice(urb->pipe), data_reg);
227 			urb->transfer_buffer_length - urb->actual_length);
229 			!!usb_gettoggle(urb->dev, ep->epnum, 0), ep, len);
233  * urb->iso_frame_desc is currently ignored here...
238 	struct urb		*urb,
248 	buf = urb->transfer_buffer + urb->actual_length;
252 			urb->transfer_buffer_length - urb->actual_length);
255 			&& usb_gettoggle(urb->dev, ep->epnum, 1))
266 	writeb(usb_pipedevice(urb->pipe), data_reg);
272 			!!usb_gettoggle(urb->dev, ep->epnum, 1), ep, len);
305 	struct urb		*urb;
344 	urb = container_of(ep->hep->urb_list.next, struct urb, urb_list);
352 	if (urb->dev->speed == USB_SPEED_LOW) {
381 		in_packet(sl811, ep, urb, bank, control);
384 		out_packet(sl811, ep, urb, bank, control);
387 		setup_packet(sl811, ep, urb, bank, control);
390 		status_packet(sl811, ep, urb, bank, control);
423 	struct urb		*urb,
429 	if (usb_pipecontrol(urb->pipe))
432 	usb_hcd_unlink_urb_from_ep(sl811_to_hcd(sl811), urb);
434 	usb_hcd_giveback_urb(sl811_to_hcd(sl811), urb, status);
478 	struct urb		*urb;
486 	urb = container_of(ep->hep->urb_list.next, struct urb, urb_list);
497 		struct usb_device	*udev = urb->dev;
501 		/* urb->iso_frame_desc is currently ignored here... */
507 			urb->actual_length += ep->length;
509 			if (urb->actual_length
510 					== urb->transfer_buffer_length) {
511 				if (usb_pipecontrol(urb->pipe))
518 						|| !(urb->transfer_flags
525 			buf = urb->transfer_buffer + urb->actual_length;
533 			urb->actual_length += len;
539 						urb->actual_length ==
540 						urb->transfer_buffer_length)) {
541 				if (usb_pipecontrol(urb->pipe))
549 			if (urb->transfer_buffer_length == urb->actual_length)
551 			else if (usb_pipeout(urb->pipe)) {
584 	if (urbstat != -EINPROGRESS || urb->unlinked)
585 		finish_request(sl811, ep, urb, urbstat);
703 					struct urb, urb_list),
713 					struct urb, urb_list),
794 	struct urb		*urb,
798 	struct usb_device	*udev = urb->dev;
799 	unsigned int		pipe = urb->pipe;
807 	struct usb_host_endpoint	*hep = urb->ep;
830 	retval = usb_hcd_link_urb_to_ep(hcd, urb);
847 		ep->maxpacket = usb_maxpacket(udev, urb->pipe);
876 			if (urb->interval > PERIODIC_SIZE)
877 				urb->interval = PERIODIC_SIZE;
878 			ep->period = urb->interval;
902 		urb->interval = ep->period;
909 			urb->start_frame = (sl811->frame & (PERIODIC_SIZE - 1))
919 		urb->start_frame = (sl811->frame & (PERIODIC_SIZE - 1))
949 	urb->hcpriv = hep;
954 		usb_hcd_unlink_urb_from_ep(hcd, urb);
960 static int sl811h_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
969 	retval = usb_hcd_check_unlink_urb(hcd, urb, status);
973 	hep = urb->hcpriv;
976 		/* finish right away if this urb can't be active ...
979 		if (ep->hep->urb_list.next != &urb->urb_list) {
996 				urb = NULL;
1011 				urb = NULL;
1017 		if (urb)
1018 			finish_request(sl811, ep, urb, 0);
1021 				"dequeue, urb %p active %s; wait4irq\n", urb,
1437 		struct urb		*urb;
1453 		list_for_each_entry (urb, &ep->hep->urb_list, urb_list) {
1454 			seq_printf(s, "  urb%p, %d/%d\n", urb,
1455 				urb->actual_length,
1456 				urb->transfer_buffer_length);