1 /* 2 * V4L2 subdev userspace API 3 * 4 * Copyright (C) 2010 Nokia Corporation 5 * 6 * Contacts: Laurent Pinchart <laurent.pinchart (at) ideasonboard.com> 7 * Sakari Ailus <sakari.ailus (at) iki.fi> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 #ifndef __LINUX_V4L2_SUBDEV_H 24 #define __LINUX_V4L2_SUBDEV_H 25 26 #include <linux/ioctl.h> 27 #include <linux/types.h> 28 #include <linux/v4l2-mediabus.h> 29 30 /** 31 * enum v4l2_subdev_format_whence - Media bus format type 32 * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only 33 * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device 34 */ 35 enum v4l2_subdev_format_whence { 36 V4L2_SUBDEV_FORMAT_TRY = 0, 37 V4L2_SUBDEV_FORMAT_ACTIVE = 1, 38 }; 39 40 /** 41 * struct v4l2_subdev_format - Pad-level media bus format 42 * @which: format type (from enum v4l2_subdev_format_whence) 43 * @pad: pad number, as reported by the media API 44 * @format: media bus format (format code and frame size) 45 */ 46 struct v4l2_subdev_format { 47 __u32 which; 48 __u32 pad; 49 struct v4l2_mbus_framefmt format; 50 __u32 reserved[8]; 51 }; 52 53 /** 54 * struct v4l2_subdev_crop - Pad-level crop settings 55 * @which: format type (from enum v4l2_subdev_format_whence) 56 * @pad: pad number, as reported by the media API 57 * @rect: pad crop rectangle boundaries 58 */ 59 struct v4l2_subdev_crop { 60 __u32 which; 61 __u32 pad; 62 struct v4l2_rect rect; 63 __u32 reserved[8]; 64 }; 65 66 /** 67 * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration 68 * @pad: pad number, as reported by the media API 69 * @index: format index during enumeration 70 * @code: format code (from enum v4l2_mbus_pixelcode) 71 */ 72 struct v4l2_subdev_mbus_code_enum { 73 __u32 pad; 74 __u32 index; 75 __u32 code; 76 __u32 reserved[9]; 77 }; 78 79 /** 80 * struct v4l2_subdev_frame_size_enum - Media bus format enumeration 81 * @pad: pad number, as reported by the media API 82 * @index: format index during enumeration 83 * @code: format code (from enum v4l2_mbus_pixelcode) 84 */ 85 struct v4l2_subdev_frame_size_enum { 86 __u32 index; 87 __u32 pad; 88 __u32 code; 89 __u32 min_width; 90 __u32 max_width; 91 __u32 min_height; 92 __u32 max_height; 93 __u32 reserved[9]; 94 }; 95 96 /** 97 * struct v4l2_subdev_frame_interval - Pad-level frame rate 98 * @pad: pad number, as reported by the media API 99 * @interval: frame interval in seconds 100 */ 101 struct v4l2_subdev_frame_interval { 102 __u32 pad; 103 struct v4l2_fract interval; 104 __u32 reserved[9]; 105 }; 106 107 /** 108 * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration 109 * @pad: pad number, as reported by the media API 110 * @index: frame interval index during enumeration 111 * @code: format code (from enum v4l2_mbus_pixelcode) 112 * @width: frame width in pixels 113 * @height: frame height in pixels 114 * @interval: frame interval in seconds 115 */ 116 struct v4l2_subdev_frame_interval_enum { 117 __u32 index; 118 __u32 pad; 119 __u32 code; 120 __u32 width; 121 __u32 height; 122 struct v4l2_fract interval; 123 __u32 reserved[9]; 124 }; 125 126 #define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) 127 #define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) 128 #define VIDIOC_SUBDEV_G_FRAME_INTERVAL \ 129 _IOWR('V', 21, struct v4l2_subdev_frame_interval) 130 #define VIDIOC_SUBDEV_S_FRAME_INTERVAL \ 131 _IOWR('V', 22, struct v4l2_subdev_frame_interval) 132 #define VIDIOC_SUBDEV_ENUM_MBUS_CODE \ 133 _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) 134 #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE \ 135 _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) 136 #define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL \ 137 _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) 138 #define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) 139 #define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) 140 141 #endif 142
