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
34 extern const u32 yuv_offset[IVTV_YUV_BUFFERS];
35
36 int ivtv_yuv_filter_check(struct ivtv *itv);
37 void ivtv_yuv_setup_stream_frame(struct ivtv *itv);
38 int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void *src);
39 void ivtv_yuv_frame_complete(struct ivtv *itv);
40 int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
41 void ivtv_yuv_close(struct ivtv *itv);
42 void ivtv_yuv_work_handler(struct ivtv *itv);
43
44 #endif
45
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