LXR linux/drivers/ieee1394/video1394.h

   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