blob: f7215eeca01829bfbab4dd0d79f56fde01944e34 [file] [log] [blame]
Hans Verkuil1a0adaf2007-04-27 12:31:25 -03001/*
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
Hans Verkuil612570f2007-08-23 05:42:59 -030021#ifndef IVTV_YUV_H
22#define IVTV_YUV_H
23
24/* Buffers on hardware offsets */
25#define IVTV_YUV_BUFFER_OFFSET 0x001a8600 /* First YUV Buffer */
26#define IVTV_YUV_BUFFER_OFFSET_1 0x00240400 /* Second YUV Buffer */
27#define IVTV_YUV_BUFFER_OFFSET_2 0x002d8200 /* Third YUV Buffer */
28#define IVTV_YUV_BUFFER_OFFSET_3 0x00370000 /* Fourth YUV Buffer */
29#define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */
30
31/* Offset to filter table in firmware */
32#define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
33#define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
34
Hans Verkuil33c0fca2007-08-23 06:32:46 -030035#define IVTV_YUV_UPDATE_HORIZONTAL 0x01
36#define IVTV_YUV_UPDATE_VERTICAL 0x02
37
Hans Verkuil612570f2007-08-23 05:42:59 -030038extern const u32 yuv_offset[4];
39
Hans Verkuil1a0adaf2007-04-27 12:31:25 -030040int ivtv_yuv_filter_check(struct ivtv *itv);
41int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
42void ivtv_yuv_close(struct ivtv *itv);
Hans Verkuil1e13f9e2007-03-10 06:52:02 -030043void ivtv_yuv_work_handler (struct ivtv *itv);
Hans Verkuil612570f2007-08-23 05:42:59 -030044
45#endif