1/*
2 * video1394.h - driver for OHCI 1394 boards
3 * Copyright (C)1999,2000 Sebastien Rougeaux <sebastien.rougeaux@anu.edu.au>
4 *                        Peter Schlaile <udbz@rz.uni-karlsruhe.de>
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 Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21#ifndef _VIDEO_1394_H
22#define _VIDEO_1394_H
23
24#include "ieee1394-ioctl.h"
25
26#define VIDEO1394_DRIVER_NAME "video1394"
27
28#define VIDEO1394_MAX_SIZE 0x4000000
29
30enum {
31	VIDEO1394_BUFFER_FREE = 0,
32	VIDEO1394_BUFFER_QUEUED,
33	VIDEO1394_BUFFER_READY
34};
35
36#define VIDEO1394_SYNC_FRAMES          0x00000001
37#define VIDEO1394_INCLUDE_ISO_HEADERS  0x00000002
38#define VIDEO1394_VARIABLE_PACKET_SIZE 0x00000004
39
40struct video1394_mmap {
41	int channel;			/* -1 to find an open channel in LISTEN/TALK */
42	unsigned int sync_tag;
43	unsigned int nb_buffers;
44	unsigned int buf_size;
45	unsigned int packet_size; /* For VARIABLE_PACKET_SIZE:
46				     Maximum packet size */
47	unsigned int fps;
48	unsigned int syt_offset;
49	unsigned int flags;
50};
51
52/* For TALK_QUEUE_BUFFER with VIDEO1394_VARIABLE_PACKET_SIZE use */
53struct video1394_queue_variable {
54	unsigned int channel;
55	unsigned int buffer;
56	unsigned int __user * packet_sizes; /* Buffer of size:
57				       buf_size / packet_size  */
58};
59
60struct video1394_wait {
61	unsigned int channel;
62	unsigned int buffer;
63	struct timeval filltime;	/* time of buffer full */
64};
65
66
67#endif
68