V4L/DVB (6713): ivtv: ivtv_yuv_prep_frame breakup and yuv hardware buffer changes

ivtv_yuv_prep_frame is split in smaller code blocks.

Modified yuv buffer handling on the PVR350 itself. We now cycle through all 8
hardware buffers.

With this patch in place, driver behaviour should remain unchanged from the
existing release.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/media/video/ivtv/ivtv-yuv.h b/drivers/media/video/ivtv/ivtv-yuv.h
index 3b966f0a204a..3b290927d367 100644
--- a/drivers/media/video/ivtv/ivtv-yuv.h
+++ b/drivers/media/video/ivtv/ivtv-yuv.h
@@ -21,11 +21,6 @@
 #ifndef IVTV_YUV_H
 #define IVTV_YUV_H
 
-/* Buffers on hardware offsets */
-#define IVTV_YUV_BUFFER_OFFSET    0x001a8600    /* First YUV Buffer */
-#define IVTV_YUV_BUFFER_OFFSET_1  0x00240400    /* Second YUV Buffer */
-#define IVTV_YUV_BUFFER_OFFSET_2  0x002d8200    /* Third YUV Buffer */
-#define IVTV_YUV_BUFFER_OFFSET_3  0x00370000    /* Fourth YUV Buffer */
 #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400       /* Offset to UV Buffer */
 
 /* Offset to filter table in firmware */
@@ -36,7 +31,7 @@
 #define IVTV_YUV_UPDATE_VERTICAL    0x02
 #define IVTV_YUV_UPDATE_INVALID     0x04
 
-extern const u32 yuv_offset[4];
+extern const u32 yuv_offset[IVTV_YUV_BUFFERS];
 
 int ivtv_yuv_filter_check(struct ivtv *itv);
 int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);