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/*

 * 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 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.

 */

#ifndef _VIDEO_1394_H

#define _VIDEO_1394_H

#include "ieee1394-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 __user * 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 */

};

#endif