linux-headers (unknown)
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
15 #ifndef __V4L2_COMMON__
16 #define __V4L2_COMMON__
17
18 #include <linux/types.h>
19
20 /*
21 *
22 * Selection interface definitions
23 *
24 */
25
26 /* Current cropping area */
27 #define V4L2_SEL_TGT_CROP 0x0000
28 /* Default cropping area */
29 #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
30 /* Cropping bounds */
31 #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
32 /* Native frame size */
33 #define V4L2_SEL_TGT_NATIVE_SIZE 0x0003
34 /* Current composing area */
35 #define V4L2_SEL_TGT_COMPOSE 0x0100
36 /* Default composing area */
37 #define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
38 /* Composing bounds */
39 #define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
40 /* Current composing area plus all padding pixels */
41 #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
42
43 /* Selection flags */
44 #define V4L2_SEL_FLAG_GE (1 << 0)
45 #define V4L2_SEL_FLAG_LE (1 << 1)
46 #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
47
48 struct v4l2_edid {
49 __u32 pad;
50 __u32 start_block;
51 __u32 blocks;
52 __u32 reserved[5];
53 __u8 *edid;
54 };
55
56 /* Backward compatibility target definitions --- to be removed. */
57 #define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
58 #define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
59 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
60 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
61 #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
62 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
63
64 /* Backward compatibility flag definitions --- to be removed. */
65 #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
66 #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
67 #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
68
69 #endif /* __V4L2_COMMON__ */
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