LXR linux/include/uapi/linux/v4l2-common.h

   1/*
   2 * include/linux/v4l2-common.h
   3 *
   4 * Common V4L2 and V4L2 subdev definitions.
   5 *
   6 * Users are advised to #include this file either through videodev2.h
   7 * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
   8 * to this file directly.
   9 *
  10 * Copyright (C) 2012 Nokia Corporation
  11 * Contact: Sakari Ailus <sakari.ailus@iki.fi>
  12 *
  13 *  This program is free software; you can redistribute it and/or modify
  14 *  it under the terms of the GNU General Public License as published by
  15 *  the Free Software Foundation; either version 2 of the License, or
  16 *  (at your option) any later version.
  17 *
  18 *  This program is distributed in the hope that it will be useful,
  19 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 *  GNU General Public License for more details.
  22 *
  23 *  Alternatively you can redistribute this file under the terms of the
  24 *  BSD license as stated below:
  25 *
  26 *  Redistribution and use in source and binary forms, with or without
  27 *  modification, are permitted provided that the following conditions
  28 *  are met:
  29 *  1. Redistributions of source code must retain the above copyright
  30 *     notice, this list of conditions and the following disclaimer.
  31 *  2. Redistributions in binary form must reproduce the above copyright
  32 *     notice, this list of conditions and the following disclaimer in
  33 *     the documentation and/or other materials provided with the
  34 *     distribution.
  35 *  3. The names of its contributors may not be used to endorse or promote
  36 *     products derived from this software without specific prior written
  37 *     permission.
  38 *
  39 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  40 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  41 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  42 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  43 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  45 *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  46 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  47 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  48 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  49 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  50 *
  51 */
  52
  53#ifndef __V4L2_COMMON__
  54#define __V4L2_COMMON__
  55
  56#include <linux/types.h>
  57
  58/*
  59 *
  60 * Selection interface definitions
  61 *
  62 */
  63
  64/* Current cropping area */
  65#define V4L2_SEL_TGT_CROP               0x0000
  66/* Default cropping area */
  67#define V4L2_SEL_TGT_CROP_DEFAULT       0x0001
  68/* Cropping bounds */
  69#define V4L2_SEL_TGT_CROP_BOUNDS        0x0002
  70/* Native frame size */
  71#define V4L2_SEL_TGT_NATIVE_SIZE        0x0003
  72/* Current composing area */
  73#define V4L2_SEL_TGT_COMPOSE            0x0100
  74/* Default composing area */
  75#define V4L2_SEL_TGT_COMPOSE_DEFAULT    0x0101
  76/* Composing bounds */
  77#define V4L2_SEL_TGT_COMPOSE_BOUNDS     0x0102
  78/* Current composing area plus all padding pixels */
  79#define V4L2_SEL_TGT_COMPOSE_PADDED     0x0103
  80
  81/* Backward compatibility target definitions --- to be removed. */
  82#define V4L2_SEL_TGT_CROP_ACTIVE        V4L2_SEL_TGT_CROP
  83#define V4L2_SEL_TGT_COMPOSE_ACTIVE     V4L2_SEL_TGT_COMPOSE
  84#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
  85#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
  86#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
  87#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
  88
  89/* Selection flags */
  90#define V4L2_SEL_FLAG_GE                (1 << 0)
  91#define V4L2_SEL_FLAG_LE                (1 << 1)
  92#define V4L2_SEL_FLAG_KEEP_CONFIG       (1 << 2)
  93
  94/* Backward compatibility flag definitions --- to be removed. */
  95#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE    V4L2_SEL_FLAG_GE
  96#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE    V4L2_SEL_FLAG_LE
  97#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
  98
  99struct v4l2_edid {
 100        __u32 pad;
 101        __u32 start_block;
 102        __u32 blocks;
 103        __u32 reserved[5];
 104        __u8  *edid;
 105};
 106
 107#endif /* __V4L2_COMMON__ */
 108