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
  38 struct 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