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

   1/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
   2/*
   3 * include/linux/v4l2-common.h
   4 *
   5 * Common V4L2 and V4L2 subdev definitions.
   6 *
   7 * Users are advised to #include this file either through videodev2.h
   8 * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
   9 * to this file directly.
  10 *
  11 * Copyright (C) 2012 Nokia Corporation
  12 * Contact: Sakari Ailus <sakari.ailus@iki.fi>
  13 *
  14 *  This program is free software; you can redistribute it and/or modify
  15 *  it under the terms of the GNU General Public License as published by
  16 *  the Free Software Foundation; either version 2 of the License, or
  17 *  (at your option) any later version.
  18 *
  19 *  This program is distributed in the hope that it will be useful,
  20 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 *  GNU General Public License for more details.
  23 *
  24 *  Alternatively you can redistribute this file under the terms of the
  25 *  BSD license as stated below:
  26 *
  27 *  Redistribution and use in source and binary forms, with or without
  28 *  modification, are permitted provided that the following conditions
  29 *  are met:
  30 *  1. Redistributions of source code must retain the above copyright
  31 *     notice, this list of conditions and the following disclaimer.
  32 *  2. Redistributions in binary form must reproduce the above copyright
  33 *     notice, this list of conditions and the following disclaimer in
  34 *     the documentation and/or other materials provided with the
  35 *     distribution.
  36 *  3. The names of its contributors may not be used to endorse or promote
  37 *     products derived from this software without specific prior written
  38 *     permission.
  39 *
  40 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  41 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  42 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  43 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  44 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  46 *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  47 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  48 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  49 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  50 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  51 *
  52 */
  53
  54#ifndef __V4L2_COMMON__
  55#define __V4L2_COMMON__
  56
  57#include <linux/types.h>
  58
  59/*
  60 *
  61 * Selection interface definitions
  62 *
  63 */
  64
  65/* Current cropping area */
  66#define V4L2_SEL_TGT_CROP               0x0000
  67/* Default cropping area */
  68#define V4L2_SEL_TGT_CROP_DEFAULT       0x0001
  69/* Cropping bounds */
  70#define V4L2_SEL_TGT_CROP_BOUNDS        0x0002
  71/* Native frame size */
  72#define V4L2_SEL_TGT_NATIVE_SIZE        0x0003
  73/* Current composing area */
  74#define V4L2_SEL_TGT_COMPOSE            0x0100
  75/* Default composing area */
  76#define V4L2_SEL_TGT_COMPOSE_DEFAULT    0x0101
  77/* Composing bounds */
  78#define V4L2_SEL_TGT_COMPOSE_BOUNDS     0x0102
  79/* Current composing area plus all padding pixels */
  80#define V4L2_SEL_TGT_COMPOSE_PADDED     0x0103
  81
  82/* Selection flags */
  83#define V4L2_SEL_FLAG_GE                (1 << 0)
  84#define V4L2_SEL_FLAG_LE                (1 << 1)
  85#define V4L2_SEL_FLAG_KEEP_CONFIG       (1 << 2)
  86
  87struct v4l2_edid {
  88        __u32 pad;
  89        __u32 start_block;
  90        __u32 blocks;
  91        __u32 reserved[5];
  92        __u8  *edid;
  93};
  94
  95#ifndef __KERNEL__
  96/* Backward compatibility target definitions --- to be removed. */
  97#define V4L2_SEL_TGT_CROP_ACTIVE        V4L2_SEL_TGT_CROP
  98#define V4L2_SEL_TGT_COMPOSE_ACTIVE     V4L2_SEL_TGT_COMPOSE
  99#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
 100#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
 101#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
 102#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
 103
 104/* Backward compatibility flag definitions --- to be removed. */
 105#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE    V4L2_SEL_FLAG_GE
 106#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE    V4L2_SEL_FLAG_LE
 107#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
 108#endif
 109
 110#endif /* __V4L2_COMMON__ */
 111