/*
* kernel-video1394.h - driver for OHCI 1394 boards
* Copyright (C)1999,2000 Sebastien Rougeaux <sebastien.rougeaux@anu.edu.au>
* Peter Schlaile <udbz@rz.uni-karlsruhe.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __VIDEO_1394_H__
#define __VIDEO_1394_H__
#include <sys/ioctl.h>
#define VIDEO1394_DRIVER_NAME "video1394"
#define VIDEO1394_MAX_SIZE 0x4000000
enum {
VIDEO1394_BUFFER_FREE = 0,
VIDEO1394_BUFFER_QUEUED,
VIDEO1394_BUFFER_READY
};
#define VIDEO1394_SYNC_FRAMES 0x00000001
#define VIDEO1394_INCLUDE_ISO_HEADERS 0x00000002
#define VIDEO1394_VARIABLE_PACKET_SIZE 0x00000004
struct video1394_mmap {
int channel; /* -1 to find an open channel in LISTEN/TALK */
unsigned int sync_tag;
unsigned int nb_buffers;
unsigned int buf_size;
unsigned int packet_size; /* For VARIABLE_PACKET_SIZE:
Maximum packet size */
unsigned int fps;
unsigned int syt_offset;
unsigned int flags;
};
/* For TALK_QUEUE_BUFFER with VIDEO1394_VARIABLE_PACKET_SIZE use */
struct video1394_queue_variable {
unsigned int channel;
unsigned int buffer;
unsigned int* packet_sizes; /* Buffer of size:
buf_size / packet_size */
};
struct video1394_wait {
unsigned int channel;
unsigned int buffer;
struct timeval filltime; /* time of buffer full */
};
#define VIDEO1394_IOC_LISTEN_CHANNEL _IOWR('#', 0x10, struct video1394_mmap)
#define VIDEO1394_IOC_UNLISTEN_CHANNEL _IOW ('#', 0x11, int)
#define VIDEO1394_IOC_LISTEN_QUEUE_BUFFER _IOW ('#', 0x12, struct video1394_wait)
#define VIDEO1394_IOC_LISTEN_WAIT_BUFFER _IOWR('#', 0x13, struct video1394_wait)
#define VIDEO1394_IOC_TALK_CHANNEL _IOWR('#', 0x14, struct video1394_mmap)
#define VIDEO1394_IOC_UNTALK_CHANNEL _IOW ('#', 0x15, int)
#define VIDEO1394_IOC_TALK_QUEUE_BUFFER _IOW ('#', 0x16, size_t)
#define VIDEO1394_IOC_TALK_WAIT_BUFFER _IOW ('#', 0x17, struct video1394_wait)
#define VIDEO1394_IOC_LISTEN_POLL_BUFFER _IOWR('#', 0x18, struct video1394_wait)
#endif