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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@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/* Backward compatibility target definitions --- to be removed. */
83#define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
84#define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
85#define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
86#define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
87#define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
88#define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
89
90/* Selection flags */
91#define V4L2_SEL_FLAG_GE (1 << 0)
92#define V4L2_SEL_FLAG_LE (1 << 1)
93#define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
94
95/* Backward compatibility flag definitions --- to be removed. */
96#define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
97#define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
98#define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
99
100struct v4l2_edid {
101 __u32 pad;
102 __u32 start_block;
103 __u32 blocks;
104 __u32 reserved[5];
105 __u8 *edid;
106};
107
108#endif /* __V4L2_COMMON__ */
109

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