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>
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.
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.
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.
24 #include "ieee1394-ioctl.h"
26 #define VIDEO1394_DRIVER_NAME "video1394"
28 #define VIDEO1394_MAX_SIZE 0x4000000
31 VIDEO1394_BUFFER_FREE = 0,
32 VIDEO1394_BUFFER_QUEUED,
33 VIDEO1394_BUFFER_READY
37 VIDEO1394_LISTEN_CHANNEL = 0,
38 VIDEO1394_UNLISTEN_CHANNEL,
39 VIDEO1394_LISTEN_QUEUE_BUFFER,
40 VIDEO1394_LISTEN_WAIT_BUFFER, // wait until buffer is ready
41 VIDEO1394_TALK_CHANNEL,
42 VIDEO1394_UNTALK_CHANNEL,
43 VIDEO1394_TALK_QUEUE_BUFFER,
44 VIDEO1394_TALK_WAIT_BUFFER,
45 VIDEO1394_LISTEN_POLL_BUFFER // return immediately with -EINTR if not ready
48 #define VIDEO1394_SYNC_FRAMES 0x00000001
49 #define VIDEO1394_INCLUDE_ISO_HEADERS 0x00000002
50 #define VIDEO1394_VARIABLE_PACKET_SIZE 0x00000004
52 struct video1394_mmap {
53 int channel; /* -1 to find an open channel in LISTEN/TALK */
54 unsigned int sync_tag;
55 unsigned int nb_buffers;
56 unsigned int buf_size;
57 unsigned int packet_size; /* For VARIABLE_PACKET_SIZE:
58 Maximum packet size */
60 unsigned int syt_offset;
64 /* For TALK_QUEUE_BUFFER with VIDEO1394_VARIABLE_PACKET_SIZE use */
65 struct video1394_queue_variable {
68 unsigned int* packet_sizes; /* Buffer of size:
69 buf_size / packet_size */
72 struct video1394_wait {
75 struct timeval filltime; /* time of buffer full */