V4L/DVB (6252): Adapt drivers to use the newer videobuf modules

PCI-dependent videobuf_foo methods were renamed as videobuf_pci_foo.

Also, videobuf_dmabuf is now part of videobuf-dma-sg private struct.
So, to access it, a subroutine call is needed.

This patch renames all occurences of those function calls to be
consistent with the video-buf split.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981
Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c
index 664280c..29dbc60 100644
--- a/drivers/media/common/saa7146_video.c
+++ b/drivers/media/common/saa7146_video.c
@@ -594,8 +594,9 @@
 static int saa7146_pgtable_build(struct saa7146_dev *dev, struct saa7146_buf *buf)
 {
 	struct pci_dev *pci = dev->pci;
-	struct scatterlist *list = buf->vb.dma.sglist;
-	int length = buf->vb.dma.sglen;
+	struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
+	struct scatterlist *list = dma->sglist;
+	int length = dma->sglen;
 	struct saa7146_format *sfmt = format_by_fourcc(dev,buf->fmt->pixelformat);
 
 	DEB_EE(("dev:%p, buf:%p, sg_len:%d\n",dev,buf,length));
@@ -655,7 +656,7 @@
 
 		/* if we have a user buffer, the first page may not be
 		   aligned to a page boundary. */
-		pt1->offset = buf->vb.dma.sglist->offset;
+		pt1->offset = list->offset;
 		pt2->offset = pt1->offset+o1;
 		pt3->offset = pt1->offset+o2;
 
@@ -1411,7 +1412,7 @@
 	sfmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
 	fh->video_fmt.sizeimage = (fh->video_fmt.width * fh->video_fmt.height * sfmt->depth)/8;
 
-	videobuf_queue_init(&fh->video_q, &video_qops,
+	videobuf_queue_pci_init(&fh->video_q, &video_qops,
 			    dev->pci, &dev->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
 			    V4L2_FIELD_INTERLACED,