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
  99 struct 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__ */