usb/host/octeon-hcd.c

272  * @urb:		URB.
288 	struct urb *urb;
422  * @urb:	URB.
428 static int octeon_alloc_temp_buffer(struct urb *urb, gfp_t mem_flags)
432 	if (urb->num_sgs || urb->sg ||
433 	    (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) ||
434 	    !(urb->transfer_buffer_length % sizeof(u32)))
437 	temp = kmalloc(ALIGN(urb->transfer_buffer_length, sizeof(u32)) +
442 	temp->orig_buffer = urb->transfer_buffer;
443 	if (usb_urb_dir_out(urb))
444 		memcpy(temp->data, urb->transfer_buffer,
445 		       urb->transfer_buffer_length);
446 	urb->transfer_buffer = temp->data;
447 	urb->transfer_flags |= URB_ALIGNED_TEMP_BUFFER;
454  * @urb: URB.
458 static void octeon_free_temp_buffer(struct urb *urb)
463 	if (!(urb->transfer_flags & URB_ALIGNED_TEMP_BUFFER))
466 	temp = container_of(urb->transfer_buffer, struct octeon_temp_buffer,
468 	if (usb_urb_dir_in(urb)) {
469 		if (usb_pipeisoc(urb->pipe))
470 			length = urb->transfer_buffer_length;
472 			length = urb->actual_length;
474 		memcpy(temp->orig_buffer, urb->transfer_buffer, length);
476 	urb->transfer_buffer = temp->orig_buffer;
477 	urb->transfer_flags &= ~URB_ALIGNED_TEMP_BUFFER;
484  * @urb:	URB.
487 static int octeon_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
492 	ret = octeon_alloc_temp_buffer(urb, mem_flags);
496 	ret = usb_hcd_map_urb_for_dma(hcd, urb, mem_flags);
498 		octeon_free_temp_buffer(urb);
506  * @urb:	URB.
508 static void octeon_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
510 	usb_hcd_unmap_urb_for_dma(hcd, urb);
511 	octeon_free_temp_buffer(urb);
1962 					     struct urb *urb)
1968 		urb->actual_length = bytes_transferred;
1970 		urb->actual_length = 0;
1972 	urb->hcpriv = NULL;
1977 	if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
1984 			(struct cvmx_usb_iso_packet *)urb->setup_packet;
1986 		urb->actual_length = 0;
1987 		for (i = 0; i < urb->number_of_packets; i++) {
1989 				urb->iso_frame_desc[i].status = 0;
1990 				urb->iso_frame_desc[i].actual_length =
1992 				urb->actual_length +=
1993 					urb->iso_frame_desc[i].actual_length;
1996 					i, urb->number_of_packets,
1999 				urb->iso_frame_desc[i].status = -EREMOTEIO;
2004 		urb->setup_packet = NULL;
2009 		urb->status = 0;
2012 		if (urb->status == 0)
2013 			urb->status = -ENOENT;
2018 		urb->status = -EPIPE;
2023 		urb->status = -EPIPE;
2028 		urb->status = -EREMOTEIO;
2036 		urb->status = -EPROTO;
2039 	usb_hcd_unlink_urb_from_ep(octeon_to_hcd(usb), urb);
2041 	usb_hcd_giveback_urb(octeon_to_hcd(usb), urb, urb->status);
2098 					 transaction->urb);
2120  * @urb:	    URB for the callback
2134 				struct urb *urb)
2153 	transaction->urb = urb;
2181  * @urb:	    URB.
2188 						struct urb *urb)
2191 					   urb->transfer_dma,
2192 					   urb->transfer_buffer_length,
2197 					   urb);
2205  * @urb:	    URB returned when the callback is called.
2212 						struct urb *urb)
2216 					   urb->transfer_dma,
2217 					   urb->transfer_buffer_length,
2222 					   urb);
2230  * @urb:	    URB.
2237 						struct urb *urb)
2239 	int buffer_length = urb->transfer_buffer_length;
2240 	u64 control_header = urb->setup_dma;
2248 					   urb->transfer_dma, buffer_length,
2253 					   urb);
2261  * @urb:	    URB returned when the callback is called.
2268 						struct urb *urb)
2272 	packets = (struct cvmx_usb_iso_packet *)urb->setup_packet;
2275 					   urb->transfer_dma,
2276 					   urb->transfer_buffer_length,
2278 					   urb->start_frame,
2279 					   urb->number_of_packets,
2280 					   packets, urb);
3068 				  struct urb *urb,
3077 	struct usb_host_endpoint *ep = urb->ep;
3080 	urb->status = 0;
3083 	rc = usb_hcd_link_urb_to_ep(hcd, urb);
3095 		switch (usb_pipetype(urb->pipe)) {
3109 		switch (urb->dev->speed) {
3130 			struct usb_device *dev = urb->dev;
3151 		pipe = cvmx_usb_open_pipe(usb, usb_pipedevice(urb->pipe),
3152 					  usb_pipeendpoint(urb->pipe), speed,
3156 					  usb_pipein(urb->pipe) ?
3159 					  urb->interval,
3164 			usb_hcd_unlink_urb_from_ep(hcd, urb);
3174 	switch (usb_pipetype(urb->pipe)) {
3177 			usb_pipedevice(urb->pipe),
3178 			usb_pipeendpoint(urb->pipe));
3183 		iso_packet = kmalloc_array(urb->number_of_packets,
3189 			for (i = 0; i < urb->number_of_packets; i++) {
3191 					urb->iso_frame_desc[i].offset;
3193 					urb->iso_frame_desc[i].length;
3201 			urb->setup_packet = (char *)iso_packet;
3203 								  pipe, urb);
3209 				urb->setup_packet = NULL;
3216 			usb_pipedevice(urb->pipe),
3217 			usb_pipeendpoint(urb->pipe));
3218 		transaction = cvmx_usb_submit_interrupt(usb, pipe, urb);
3222 			usb_pipedevice(urb->pipe),
3223 			usb_pipeendpoint(urb->pipe));
3224 		transaction = cvmx_usb_submit_control(usb, pipe, urb);
3228 			usb_pipedevice(urb->pipe),
3229 			usb_pipeendpoint(urb->pipe));
3230 		transaction = cvmx_usb_submit_bulk(usb, pipe, urb);
3234 		usb_hcd_unlink_urb_from_ep(hcd, urb);
3239 	urb->hcpriv = transaction;
3245 				  struct urb *urb,
3252 	if (!urb->dev)
3257 	rc = usb_hcd_check_unlink_urb(hcd, urb, status);
3261 	urb->status = status;
3262 	cvmx_usb_cancel(usb, urb->ep->hcpriv, urb->hcpriv);