Home | History | Annotate | Download | only in linux
      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 (at) 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 /* Current composing area */
     47 #define V4L2_SEL_TGT_COMPOSE		0x0100
     48 /* Default composing area */
     49 #define V4L2_SEL_TGT_COMPOSE_DEFAULT	0x0101
     50 /* Composing bounds */
     51 #define V4L2_SEL_TGT_COMPOSE_BOUNDS	0x0102
     52 /* Current composing area plus all padding pixels */
     53 #define V4L2_SEL_TGT_COMPOSE_PADDED	0x0103
     54 
     55 /* Backward compatibility target definitions --- to be removed. */
     56 #define V4L2_SEL_TGT_CROP_ACTIVE	V4L2_SEL_TGT_CROP
     57 #define V4L2_SEL_TGT_COMPOSE_ACTIVE	V4L2_SEL_TGT_COMPOSE
     58 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL	V4L2_SEL_TGT_CROP
     59 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
     60 #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS	V4L2_SEL_TGT_CROP_BOUNDS
     61 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
     62 
     63 /* Selection flags */
     64 #define V4L2_SEL_FLAG_GE		(1 << 0)
     65 #define V4L2_SEL_FLAG_LE		(1 << 1)
     66 #define V4L2_SEL_FLAG_KEEP_CONFIG	(1 << 2)
     67 
     68 /* Backward compatibility flag definitions --- to be removed. */
     69 #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE	V4L2_SEL_FLAG_GE
     70 #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE	V4L2_SEL_FLAG_LE
     71 #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
     72 
     73 struct v4l2_edid {
     74 	__u32 pad;
     75 	__u32 start_block;
     76 	__u32 blocks;
     77 	__u32 reserved[5];
     78 	__u8  *edid;
     79 };
     80 
     81 #endif /* __V4L2_COMMON__ */
     82