/drivers/media/video/ivtv/ivtv-yuv.h

 1/*
 2    yuv support
 3
 4    Copyright (C) 2007  Ian Armstrong <ian@iarmst.demon.co.uk>
 5
 6    This program is free software; you can redistribute it and/or modify
 7    it under the terms of the GNU General Public License as published by
 8    the Free Software Foundation; either version 2 of the License, or
 9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20
21#ifndef IVTV_YUV_H
22#define IVTV_YUV_H
23
24#define IVTV_YUV_BUFFER_UV_OFFSET 0x65400	/* Offset to UV Buffer */
25
26/* Offset to filter table in firmware */
27#define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
28#define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
29
30#define IVTV_YUV_UPDATE_HORIZONTAL  0x01
31#define IVTV_YUV_UPDATE_VERTICAL    0x02
32#define IVTV_YUV_UPDATE_INVALID     0x04
33
34extern const u32 yuv_offset[IVTV_YUV_BUFFERS];
35
36int ivtv_yuv_filter_check(struct ivtv *itv);
37void ivtv_yuv_setup_stream_frame(struct ivtv *itv);
38int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src);
39void ivtv_yuv_frame_complete(struct ivtv *itv);
40int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
41void ivtv_yuv_close(struct ivtv *itv);
42void ivtv_yuv_work_handler(struct ivtv *itv);
43
44#endif