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      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 (at) 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 
     87 struct 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