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
  14  * modify it under the terms of the GNU General Public License
  15  * version 2 as published by the Free Software Foundation.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  25  * 02110-1301 USA
  26  *
  27  */
  28
  29 #ifndef __V4L2_COMMON__
  30 #define __V4L2_COMMON__
  31
  32 #include <linux/types.h>
  33
  34 /*
  35  *
  36  * Selection interface definitions
  37  *
  38  */
  39
  40 /* Current cropping area */
  41 #define V4L2_SEL_TGT_CROP               0x0000
  42 /* Default cropping area */
  43 #define V4L2_SEL_TGT_CROP_DEFAULT       0x0001
  44 /* Cropping bounds */
  45 #define V4L2_SEL_TGT_CROP_BOUNDS        0x0002
  46 /* Native frame size */
  47 #define V4L2_SEL_TGT_NATIVE_SIZE        0x0003
  48 /* Current composing area */
  49 #define V4L2_SEL_TGT_COMPOSE            0x0100
  50 /* Default composing area */
  51 #define V4L2_SEL_TGT_COMPOSE_DEFAULT    0x0101
  52 /* Composing bounds */
  53 #define V4L2_SEL_TGT_COMPOSE_BOUNDS     0x0102
  54 /* Current composing area plus all padding pixels */
  55 #define V4L2_SEL_TGT_COMPOSE_PADDED     0x0103
  56
  57 /* Backward compatibility target definitions --- to be removed. */
  58 #define V4L2_SEL_TGT_CROP_ACTIVE        V4L2_SEL_TGT_CROP
  59 #define V4L2_SEL_TGT_COMPOSE_ACTIVE     V4L2_SEL_TGT_COMPOSE
  60 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
  61 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
  62 #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
  63 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
  64
  65 /* Selection flags */
  66 #define V4L2_SEL_FLAG_GE                (1 << 0)
  67 #define V4L2_SEL_FLAG_LE                (1 << 1)
  68 #define V4L2_SEL_FLAG_KEEP_CONFIG       (1 << 2)
  69
  70 /* Backward compatibility flag definitions --- to be removed. */
  71 #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE    V4L2_SEL_FLAG_GE
  72 #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE    V4L2_SEL_FLAG_LE
  73 #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
  74
  75 struct v4l2_edid {
  76         __u32 pad;
  77         __u32 start_block;
  78         __u32 blocks;
  79         __u32 reserved[5];
  80         __u8  *edid;
  81 };
  82
  83 #endif /* __V4L2_COMMON__ */