LXR linux/include/uapi/linux/meye.h

   1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2/*
   3 * Motion Eye video4linux driver for Sony Vaio PictureBook
   4 *
   5 * Copyright (C) 2001-2003 Stelian Pop <stelian@popies.net>
   6 *
   7 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
   8 *
   9 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
  10 *
  11 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
  12 *
  13 * Some parts borrowed from various video4linux drivers, especially
  14 * bttv-driver.c and zoran.c, see original files for credits.
  15 *
  16 * This program is free software; you can redistribute it and/or modify
  17 * it under the terms of the GNU General Public License as published by
  18 * the Free Software Foundation; either version 2 of the License, or
  19 * (at your option) any later version.
  20 *
  21 * This program is distributed in the hope that it will be useful,
  22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 * GNU General Public License for more details.
  25 *
  26 * You should have received a copy of the GNU General Public License
  27 * along with this program; if not, write to the Free Software
  28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  29 */
  30
  31#ifndef _MEYE_H_
  32#define _MEYE_H_
  33
  34/****************************************************************************/
  35/* Private API for handling mjpeg capture / playback.                       */
  36/****************************************************************************/
  37
  38struct meye_params {
  39        unsigned char subsample;
  40        unsigned char quality;
  41        unsigned char sharpness;
  42        unsigned char agc;
  43        unsigned char picture;
  44        unsigned char framerate;
  45};
  46
  47/* query the extended parameters */
  48#define MEYEIOC_G_PARAMS        _IOR ('v', BASE_VIDIOC_PRIVATE+0, struct meye_params)
  49/* set the extended parameters */
  50#define MEYEIOC_S_PARAMS        _IOW ('v', BASE_VIDIOC_PRIVATE+1, struct meye_params)
  51/* queue a buffer for mjpeg capture */
  52#define MEYEIOC_QBUF_CAPT       _IOW ('v', BASE_VIDIOC_PRIVATE+2, int)
  53/* sync a previously queued mjpeg buffer */
  54#define MEYEIOC_SYNC            _IOWR('v', BASE_VIDIOC_PRIVATE+3, int)
  55/* get a still uncompressed snapshot */
  56#define MEYEIOC_STILLCAPT       _IO  ('v', BASE_VIDIOC_PRIVATE+4)
  57/* get a jpeg compressed snapshot */
  58#define MEYEIOC_STILLJCAPT      _IOR ('v', BASE_VIDIOC_PRIVATE+5, int)
  59
  60/* V4L2 private controls */
  61#define V4L2_CID_MEYE_AGC               (V4L2_CID_USER_MEYE_BASE + 0)
  62#define V4L2_CID_MEYE_PICTURE           (V4L2_CID_USER_MEYE_BASE + 1)
  63#define V4L2_CID_MEYE_FRAMERATE         (V4L2_CID_USER_MEYE_BASE + 2)
  64
  65#endif
  66