xref: /linux/drivers/media/pci/ivtv/ivtv-yuv.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
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 __user *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