xref: /openbmc/linux/include/uapi/linux/v4l2-common.h (revision 2c684d89)
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__ */
84