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Hans Verkuil1a0adaf2007-04-27 12:31:25 -03001/*
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
20ssize_t ivtv_write_vbi(struct ivtv *itv, const char __user *ubuf, size_t count);
21void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
22 u64 pts_stamp, int streamtype);
23int ivtv_used_line(struct ivtv *itv, int line, int field);
24void ivtv_disable_vbi(struct ivtv *itv);
25void ivtv_set_vbi(unsigned long arg);
26void vbi_work_handler(struct work_struct *work);
27void vbi_schedule_work(struct ivtv *itv);