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  #ifndef __KERNEL__
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  /* Backward compatibility flag definitions --- to be removed. */
66  #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE	V4L2_SEL_FLAG_GE
67  #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE	V4L2_SEL_FLAG_LE
68  #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
69  #endif
70  
71  #endif /* __V4L2_COMMON__ */
72