xref: /openbmc/linux/drivers/media/pci/ivtv/ivtv-vbi.h (revision 4f3db074)
1 /*
2     Vertical Blank Interval support functions
3     Copyright (C) 2004-2007  Hans Verkuil <hverkuil@xs4all.nl>
4 
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9 
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14 
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  */
19 
20 #ifndef IVTV_VBI_H
21 #define IVTV_VBI_H
22 
23 ssize_t
24 ivtv_write_vbi_from_user(struct ivtv *itv,
25 			 const struct v4l2_sliced_vbi_data __user *sliced,
26 			 size_t count);
27 void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
28 			   u64 pts_stamp, int streamtype);
29 int ivtv_used_line(struct ivtv *itv, int line, int field);
30 void ivtv_disable_cc(struct ivtv *itv);
31 void ivtv_set_vbi(unsigned long arg);
32 void ivtv_vbi_work_handler(struct ivtv *itv);
33 
34 #endif
35