4 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
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
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * video1394.h - driver for OHCI 1394 boards
24 * Copyright (C)1999,2000 Sebastien Rougeaux <sebastien.rougeaux@anu.edu.au>
25 * Peter Schlaile <udbz@rz.uni-karlsruhe.de>
27 * This program is free software; you can redistribute it and/or modify
28 * it under the terms of the GNU General Public License as published by
29 * the Free Software Foundation; either version 2 of the License, or
30 * (at your option) any later version.
32 * This program is distributed in the hope that it will be useful,
33 * but WITHOUT ANY WARRANTY; without even the implied warranty of
34 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
35 * GNU General Public License for more details.
37 * You should have received a copy of the GNU General Public License
38 * along with this program; if not, write to the Free Software Foundation,
39 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
45 #define VIDEO1394_DRIVER_NAME "video1394"
47 #define VIDEO1394_MAX_SIZE 0x4000000
50 VIDEO1394_BUFFER_FREE = 0,
51 VIDEO1394_BUFFER_QUEUED,
52 VIDEO1394_BUFFER_READY
56 VIDEO1394_LISTEN_CHANNEL = 0,
57 VIDEO1394_UNLISTEN_CHANNEL,
58 VIDEO1394_LISTEN_QUEUE_BUFFER,
59 VIDEO1394_LISTEN_WAIT_BUFFER, // wait until buffer is ready
60 VIDEO1394_TALK_CHANNEL,
61 VIDEO1394_UNTALK_CHANNEL,
62 VIDEO1394_TALK_QUEUE_BUFFER,
63 VIDEO1394_TALK_WAIT_BUFFER,
64 VIDEO1394_LISTEN_POLL_BUFFER // return immediately with -EINTR if not ready
67 #define VIDEO1394_SYNC_FRAMES 0x00000001
68 #define VIDEO1394_INCLUDE_ISO_HEADERS 0x00000002
69 #define VIDEO1394_VARIABLE_PACKET_SIZE 0x00000004
71 struct video1394_mmap {
72 int channel; /* -1 to find an open channel in LISTEN/TALK */
73 unsigned int sync_tag;
74 unsigned int nb_buffers;
75 unsigned int buf_size;
76 unsigned int packet_size; /* For VARIABLE_PACKET_SIZE:
77 Maximum packet size */
79 unsigned int syt_offset;
83 /* For TALK_QUEUE_BUFFER with VIDEO1394_VARIABLE_PACKET_SIZE use */
84 struct video1394_queue_variable {
87 unsigned int* packet_sizes; /* Buffer of size:
88 buf_size / packet_size */
91 struct video1394_wait {
94 struct timeval filltime; /* time of buffer full */