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linux-next/drivers/media/video/cx18/cx18-vbi.h
Andy Walls 52fcb3ecc6 V4L/DVB (13429): cx18: Add Memory Descriptor List (MDL) layer to buffer handling
Add a Memory Descriptor List (MDL) layer to buffer handling to implement
scatter-gather I/O.  Currently there is still only 1 buffer per MDL.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-05 18:41:51 -02:00

27 lines
1.0 KiB
C

/*
* cx18 Vertical Blank Interval support functions
*
* Derived from ivtv-vbi.h
*
* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*/
void cx18_process_vbi_data(struct cx18 *cx, struct cx18_mdl *mdl,
int streamtype);
int cx18_used_line(struct cx18 *cx, int line, int field);