usb/host/fhci-sched.c

633 	struct urb *urb;
645 		urb = td->urb;
646 		urb_priv = urb->hcpriv;
650 		fhci_done_td(urb, td);
654 		 * if all this urb's TDs are done, call complete()
660 			fhci_urb_complete_free(fhci, urb);
691  * adds urb to the endpoint descriptor list
695  * urb		USB request block data structure
697 void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
699 	struct ed *ed = urb->ep->hcpriv;
700 	struct urb_priv *urb_priv = urb->hcpriv;
701 	u32 data_len = urb->transfer_buffer_length;
709 		ed->dev_addr = usb_pipedevice(urb->pipe);
710 		ed->ep_addr = usb_pipeendpoint(urb->pipe);
711 		switch (usb_pipetype(urb->pipe)) {
727 		ed->speed = (urb->dev->speed == USB_SPEED_LOW) ?
729 		ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
730 		urb->ep->hcpriv = ed;
738 		urb->start_frame = ed->td_head ? ed->next_iso :
740 		ed->next_iso = (urb->start_frame + urb->interval *
741 				urb->number_of_packets) & 0x07ff;
748 	if (usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe),
749 			  usb_pipeout(urb->pipe)))
753 		usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
754 			      usb_pipeout(urb->pipe), 1);
760 		data = urb->transfer_buffer;
766 		if (urb->transfer_flags & URB_ZERO_PACKET &&
767 				urb->transfer_buffer_length > 0 &&
768 				((urb->transfer_buffer_length %
769 				usb_endpoint_maxp(&urb->ep->desc)) == 0))
772 			fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
773 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
783 		fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
784 			usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN,
789 		if (urb->transfer_flags & URB_ZERO_PACKET &&
791 			fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
792 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
799 		urb->start_frame = get_frame_num(fhci) + 1;
800 		fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
801 			usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN,
803 			urb->interval, urb->start_frame, true);
806 		ed->dev_addr = usb_pipedevice(urb->pipe);
807 		ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
810 		fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP,
811 			USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true);
815 			fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
816 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
824 			fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
825 				(usb_pipeout(urb->pipe) ? FHCI_TA_IN :
829 			 fhci_td_fill(fhci, urb, urb_priv, ed, cnt++,
836 		for (cnt = 0; cnt < urb->number_of_packets; cnt++) {
837 			u16 frame = urb->start_frame;
844 			frame += cnt * urb->interval;
846 			fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
847 				usb_pipeout(urb->pipe) ? FHCI_TA_OUT :
850 				data + urb->iso_frame_desc[cnt].offset,
851 				urb->iso_frame_desc[cnt].length,
852 				urb->interval, frame, true);
864 	urb->pipe &= ~0x1f;
865 	urb->pipe |= urb_state & 0x1f;