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 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * Alternatively you can redistribute this file under the terms of the 25 * BSD license as stated below: 26 * 27 * Redistribution and use in source and binary forms, with or without 28 * modification, are permitted provided that the following conditions 29 * are met: 30 * 1. Redistributions of source code must retain the above copyright 31 * notice, this list of conditions and the following disclaimer. 32 * 2. Redistributions in binary form must reproduce the above copyright 33 * notice, this list of conditions and the following disclaimer in 34 * the documentation and/or other materials provided with the 35 * distribution. 36 * 3. The names of its contributors may not be used to endorse or promote 37 * products derived from this software without specific prior written 38 * permission. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 41 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 42 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 43 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 44 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 46 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 47 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 48 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 49 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 50 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 * 52 */ 53 54 #ifndef __V4L2_COMMON__ 55 #define __V4L2_COMMON__ 56 57 #include <linux/types.h> 58 59 /* 60 * 61 * Selection interface definitions 62 * 63 */ 64 65 /* Current cropping area */ 66 #define V4L2_SEL_TGT_CROP 0x0000 67 /* Default cropping area */ 68 #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001 69 /* Cropping bounds */ 70 #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002 71 /* Native frame size */ 72 #define V4L2_SEL_TGT_NATIVE_SIZE 0x0003 73 /* Current composing area */ 74 #define V4L2_SEL_TGT_COMPOSE 0x0100 75 /* Default composing area */ 76 #define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101 77 /* Composing bounds */ 78 #define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102 79 /* Current composing area plus all padding pixels */ 80 #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103 81 82 /* Selection flags */ 83 #define V4L2_SEL_FLAG_GE (1 << 0) 84 #define V4L2_SEL_FLAG_LE (1 << 1) 85 #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2) 86 87 struct v4l2_edid { 88 __u32 pad; 89 __u32 start_block; 90 __u32 blocks; 91 __u32 reserved[5]; 92 __u8 *edid; 93 }; 94 95 #ifndef __KERNEL__ 96 /* Backward compatibility target definitions --- to be removed. */ 97 #define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP 98 #define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE 99 #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP 100 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE 101 #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS 102 #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS 103 104 /* Backward compatibility flag definitions --- to be removed. */ 105 #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE 106 #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE 107 #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG 108 #endif 109 110 #endif /* __V4L2_COMMON__ */ 111