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v4l2-common.h
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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 <[email protected]>
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 /*
33  *
34  * Selection interface definitions
35  *
36  */
37 
38 /* Current cropping area */
39 #define V4L2_SEL_TGT_CROP 0x0000
40 /* Default cropping area */
41 #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
42 /* Cropping bounds */
43 #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
44 /* Current composing area */
45 #define V4L2_SEL_TGT_COMPOSE 0x0100
46 /* Default composing area */
47 #define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
48 /* Composing bounds */
49 #define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
50 /* Current composing area plus all padding pixels */
51 #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
52 
53 /* Backward compatibility target definitions --- to be removed. */
54 #define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
55 #define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
56 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
57 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
58 #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
59 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
60 
61 /* Selection flags */
62 #define V4L2_SEL_FLAG_GE (1 << 0)
63 #define V4L2_SEL_FLAG_LE (1 << 1)
64 #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
65 
66 /* Backward compatibility flag definitions --- to be removed. */
67 #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
68 #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
69 #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
70 
71 #endif /* __V4L2_COMMON__ */