[media] dvb-usb: move it to drivers/media/usb/dvb-usb

As media/dvb will be removed, move it to a proper place.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 254 deletions

diff --git a/drivers/media/dvb/dvb-usb/usb-urb.c b/drivers/media/dvb/dvb-usb/usb-urb.c
deleted file mode 100644
index d62ee0f5a165..000000000000
--- a/drivers/media/dvb/dvb-usb/usb-urb.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/* usb-urb.c is part of the DVB USB library.
- *
- * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
- * see dvb-usb-init.c for copyright information.
- *
- * This file keeps functions for initializing and handling the
- * BULK and ISOC USB data transfers in a generic way.
- * Can be used for DVB-only and also, that's the plan, for
- * Hybrid USB devices (analog and DVB).
- */
-#include "dvb-usb-common.h"
-
-/* URB stuff for streaming */
-static void usb_urb_complete(struct urb *urb)
-{
-	struct usb_data_stream *stream = urb->context;
-	int ptype = usb_pipetype(urb->pipe);
-	int i;
-	u8 *b;
-
-	deb_uxfer("'%s' urb completed. status: %d, length: %d/%d, pack_num: %d, errors: %d\n",
-		ptype == PIPE_ISOCHRONOUS ? "isoc" : "bulk",
-		urb->status,urb->actual_length,urb->transfer_buffer_length,
-		urb->number_of_packets,urb->error_count);
-
-	switch (urb->status) {
-		case 0:         /* success */
-		case -ETIMEDOUT:    /* NAK */
-			break;
-		case -ECONNRESET:   /* kill */
-		case -ENOENT:
-		case -ESHUTDOWN:
-			return;
-		default:        /* error */
-			deb_ts("urb completition error %d.\n", urb->status);
-			break;
-	}
-
-	b = (u8 *) urb->transfer_buffer;
-	switch (ptype) {
-		case PIPE_ISOCHRONOUS:
-			for (i = 0; i < urb->number_of_packets; i++) {
-
-				if (urb->iso_frame_desc[i].status != 0)
-					deb_ts("iso frame descriptor has an error: %d\n",urb->iso_frame_desc[i].status);
-				else if (urb->iso_frame_desc[i].actual_length > 0)
-					stream->complete(stream, b + urb->iso_frame_desc[i].offset, urb->iso_frame_desc[i].actual_length);
-
-				urb->iso_frame_desc[i].status = 0;
-				urb->iso_frame_desc[i].actual_length = 0;
-			}
-			debug_dump(b,20,deb_uxfer);
-			break;
-		case PIPE_BULK:
-			if (urb->actual_length > 0)
-				stream->complete(stream, b, urb->actual_length);
-			break;
-		default:
-			err("unknown endpoint type in completition handler.");
-			return;
-	}
-	usb_submit_urb(urb,GFP_ATOMIC);
-}
-
-int usb_urb_kill(struct usb_data_stream *stream)
-{
-	int i;
-	for (i = 0; i < stream->urbs_submitted; i++) {
-		deb_ts("killing URB no. %d.\n",i);
-
-		/* stop the URB */
-		usb_kill_urb(stream->urb_list[i]);
-	}
-	stream->urbs_submitted = 0;
-	return 0;
-}
-
-int usb_urb_submit(struct usb_data_stream *stream)
-{
-	int i,ret;
-	for (i = 0; i < stream->urbs_initialized; i++) {
-		deb_ts("submitting URB no. %d\n",i);
-		if ((ret = usb_submit_urb(stream->urb_list[i],GFP_ATOMIC))) {
-			err("could not submit URB no. %d - get them all back",i);
-			usb_urb_kill(stream);
-			return ret;
-		}
-		stream->urbs_submitted++;
-	}
-	return 0;
-}
-
-static int usb_free_stream_buffers(struct usb_data_stream *stream)
-{
-	if (stream->state & USB_STATE_URB_BUF) {
-		while (stream->buf_num) {
-			stream->buf_num--;
-			deb_mem("freeing buffer %d\n",stream->buf_num);
-			usb_free_coherent(stream->udev, stream->buf_size,
-					  stream->buf_list[stream->buf_num],
-					  stream->dma_addr[stream->buf_num]);
-		}
-	}
-
-	stream->state &= ~USB_STATE_URB_BUF;
-
-	return 0;
-}
-
-static int usb_allocate_stream_buffers(struct usb_data_stream *stream, int num, unsigned long size)
-{
-	stream->buf_num = 0;
-	stream->buf_size = size;
-
-	deb_mem("all in all I will use %lu bytes for streaming\n",num*size);
-
-	for (stream->buf_num = 0; stream->buf_num < num; stream->buf_num++) {
-		deb_mem("allocating buffer %d\n",stream->buf_num);
-		if (( stream->buf_list[stream->buf_num] =
-					usb_alloc_coherent(stream->udev, size, GFP_ATOMIC,
-					&stream->dma_addr[stream->buf_num]) ) == NULL) {
-			deb_mem("not enough memory for urb-buffer allocation.\n");
-			usb_free_stream_buffers(stream);
-			return -ENOMEM;
-		}
-		deb_mem("buffer %d: %p (dma: %Lu)\n",
-			stream->buf_num,
-stream->buf_list[stream->buf_num], (long long)stream->dma_addr[stream->buf_num]);
-		memset(stream->buf_list[stream->buf_num],0,size);
-		stream->state |= USB_STATE_URB_BUF;
-	}
-	deb_mem("allocation successful\n");
-
-	return 0;
-}
-
-static int usb_bulk_urb_init(struct usb_data_stream *stream)
-{
-	int i, j;
-
-	if ((i = usb_allocate_stream_buffers(stream,stream->props.count,
-					stream->props.u.bulk.buffersize)) < 0)
-		return i;
-
-	/* allocate the URBs */
-	for (i = 0; i < stream->props.count; i++) {
-		stream->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
-		if (!stream->urb_list[i]) {
-			deb_mem("not enough memory for urb_alloc_urb!.\n");
-			for (j = 0; j < i; j++)
-				usb_free_urb(stream->urb_list[j]);
-			return -ENOMEM;
-		}
-		usb_fill_bulk_urb( stream->urb_list[i], stream->udev,
-				usb_rcvbulkpipe(stream->udev,stream->props.endpoint),
-				stream->buf_list[i],
-				stream->props.u.bulk.buffersize,
-				usb_urb_complete, stream);
-
-		stream->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
-		stream->urb_list[i]->transfer_dma = stream->dma_addr[i];
-		stream->urbs_initialized++;
-	}
-	return 0;
-}
-
-static int usb_isoc_urb_init(struct usb_data_stream *stream)
-{
-	int i,j;
-
-	if ((i = usb_allocate_stream_buffers(stream,stream->props.count,
-					stream->props.u.isoc.framesize*stream->props.u.isoc.framesperurb)) < 0)
-		return i;
-
-	/* allocate the URBs */
-	for (i = 0; i < stream->props.count; i++) {
-		struct urb *urb;
-		int frame_offset = 0;
-
-		stream->urb_list[i] = usb_alloc_urb(stream->props.u.isoc.framesperurb, GFP_ATOMIC);
-		if (!stream->urb_list[i]) {
-			deb_mem("not enough memory for urb_alloc_urb!\n");
-			for (j = 0; j < i; j++)
-				usb_free_urb(stream->urb_list[j]);
-			return -ENOMEM;
-		}
-
-		urb = stream->urb_list[i];
-
-		urb->dev = stream->udev;
-		urb->context = stream;
-		urb->complete = usb_urb_complete;
-		urb->pipe = usb_rcvisocpipe(stream->udev,stream->props.endpoint);
-		urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
-		urb->interval = stream->props.u.isoc.interval;
-		urb->number_of_packets = stream->props.u.isoc.framesperurb;
-		urb->transfer_buffer_length = stream->buf_size;
-		urb->transfer_buffer = stream->buf_list[i];
-		urb->transfer_dma = stream->dma_addr[i];
-
-		for (j = 0; j < stream->props.u.isoc.framesperurb; j++) {
-			urb->iso_frame_desc[j].offset = frame_offset;
-			urb->iso_frame_desc[j].length = stream->props.u.isoc.framesize;
-			frame_offset += stream->props.u.isoc.framesize;
-		}
-
-		stream->urbs_initialized++;
-	}
-	return 0;
-}
-
-int usb_urb_init(struct usb_data_stream *stream, struct usb_data_stream_properties *props)
-{
-	if (stream == NULL || props == NULL)
-		return -EINVAL;
-
-	memcpy(&stream->props, props, sizeof(*props));
-
-	usb_clear_halt(stream->udev,usb_rcvbulkpipe(stream->udev,stream->props.endpoint));
-
-	if (stream->complete == NULL) {
-		err("there is no data callback - this doesn't make sense.");
-		return -EINVAL;
-	}
-
-	switch (stream->props.type) {
-		case USB_BULK:
-			return usb_bulk_urb_init(stream);
-		case USB_ISOC:
-			return usb_isoc_urb_init(stream);
-		default:
-			err("unknown URB-type for data transfer.");
-			return -EINVAL;
-	}
-}
-
-int usb_urb_exit(struct usb_data_stream *stream)
-{
-	int i;
-
-	usb_urb_kill(stream);
-
-	for (i = 0; i < stream->urbs_initialized; i++) {
-		if (stream->urb_list[i] != NULL) {
-			deb_mem("freeing URB no. %d.\n",i);
-			/* free the URBs */
-			usb_free_urb(stream->urb_list[i]);
-		}
-	}
-	stream->urbs_initialized = 0;
-
-	usb_free_stream_buffers(stream);
-	return 0;
-}