1 /* 2 * V4L2 subdev userspace API 3 * 4 * Copyright (C) 2010 Nokia Corporation 5 * 6 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> 7 * Sakari Ailus <sakari.ailus@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-common.h> 29 #include <linux/v4l2-mediabus.h> 30 31 /** 32 * enum v4l2_subdev_format_whence - Media bus format type 33 * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only 34 * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device 35 */ 36 enum v4l2_subdev_format_whence { 37 V4L2_SUBDEV_FORMAT_TRY = 0, 38 V4L2_SUBDEV_FORMAT_ACTIVE = 1, 39 }; 40 41 /** 42 * struct v4l2_subdev_format - Pad-level media bus format 43 * @which: format type (from enum v4l2_subdev_format_whence) 44 * @pad: pad number, as reported by the media API 45 * @format: media bus format (format code and frame size) 46 */ 47 struct v4l2_subdev_format { 48 __u32 which; 49 __u32 pad; 50 struct v4l2_mbus_framefmt format; 51 __u32 reserved[8]; 52 }; 53 54 /** 55 * struct v4l2_subdev_crop - Pad-level crop settings 56 * @which: format type (from enum v4l2_subdev_format_whence) 57 * @pad: pad number, as reported by the media API 58 * @rect: pad crop rectangle boundaries 59 */ 60 struct v4l2_subdev_crop { 61 __u32 which; 62 __u32 pad; 63 struct v4l2_rect rect; 64 __u32 reserved[8]; 65 }; 66 67 /** 68 * struct v4l2_subdev_mbus_code_enum - Media bus format enumeration 69 * @pad: pad number, as reported by the media API 70 * @index: format index during enumeration 71 * @code: format code (MEDIA_BUS_FMT_ definitions) 72 * @which: format type (from enum v4l2_subdev_format_whence) 73 */ 74 struct v4l2_subdev_mbus_code_enum { 75 __u32 pad; 76 __u32 index; 77 __u32 code; 78 __u32 which; 79 __u32 reserved[8]; 80 }; 81 82 /** 83 * struct v4l2_subdev_frame_size_enum - Media bus format enumeration 84 * @pad: pad number, as reported by the media API 85 * @index: format index during enumeration 86 * @code: format code (MEDIA_BUS_FMT_ definitions) 87 * @which: format type (from enum v4l2_subdev_format_whence) 88 */ 89 struct v4l2_subdev_frame_size_enum { 90 __u32 index; 91 __u32 pad; 92 __u32 code; 93 __u32 min_width; 94 __u32 max_width; 95 __u32 min_height; 96 __u32 max_height; 97 __u32 which; 98 __u32 reserved[8]; 99 }; 100 101 /** 102 * struct v4l2_subdev_frame_interval - Pad-level frame rate 103 * @pad: pad number, as reported by the media API 104 * @interval: frame interval in seconds 105 */ 106 struct v4l2_subdev_frame_interval { 107 __u32 pad; 108 struct v4l2_fract interval; 109 __u32 reserved[9]; 110 }; 111 112 /** 113 * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration 114 * @pad: pad number, as reported by the media API 115 * @index: frame interval index during enumeration 116 * @code: format code (MEDIA_BUS_FMT_ definitions) 117 * @width: frame width in pixels 118 * @height: frame height in pixels 119 * @interval: frame interval in seconds 120 * @which: format type (from enum v4l2_subdev_format_whence) 121 */ 122 struct v4l2_subdev_frame_interval_enum { 123 __u32 index; 124 __u32 pad; 125 __u32 code; 126 __u32 width; 127 __u32 height; 128 struct v4l2_fract interval; 129 __u32 which; 130 __u32 reserved[8]; 131 }; 132 133 /** 134 * struct v4l2_subdev_selection - selection info 135 * 136 * @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY 137 * @pad: pad number, as reported by the media API 138 * @target: Selection target, used to choose one of possible rectangles, 139 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 140 * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 141 * @r: coordinates of the selection window 142 * @reserved: for future use, set to zero for now 143 * 144 * Hardware may use multiple helper windows to process a video stream. 145 * The structure is used to exchange this selection areas between 146 * an application and a driver. 147 */ 148 struct v4l2_subdev_selection { 149 __u32 which; 150 __u32 pad; 151 __u32 target; 152 __u32 flags; 153 struct v4l2_rect r; 154 __u32 reserved[8]; 155 }; 156 157 /* Backwards compatibility define --- to be removed */ 158 #define v4l2_subdev_edid v4l2_edid 159 160 #define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) 161 #define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) 162 #define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval) 163 #define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval) 164 #define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) 165 #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) 166 #define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) 167 #define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) 168 #define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) 169 #define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection) 170 #define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection) 171 /* The following ioctls are identical to the ioctls in videodev2.h */ 172 #define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid) 173 #define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid) 174 #define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 175 #define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 176 #define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 177 #define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 178 #define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 179 180 #endif 181