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333c8b97 LP |
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> | |
5689b288 | 28 | #include <linux/v4l2-common.h> |
333c8b97 LP |
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 | ||
f6a5cb1b AK |
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 | ||
333c8b97 LP |
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 (from enum v4l2_mbus_pixelcode) | |
72 | */ | |
73 | struct v4l2_subdev_mbus_code_enum { | |
74 | __u32 pad; | |
75 | __u32 index; | |
76 | __u32 code; | |
77 | __u32 reserved[9]; | |
78 | }; | |
79 | ||
80 | /** | |
81 | * struct v4l2_subdev_frame_size_enum - Media bus format enumeration | |
82 | * @pad: pad number, as reported by the media API | |
83 | * @index: format index during enumeration | |
84 | * @code: format code (from enum v4l2_mbus_pixelcode) | |
85 | */ | |
86 | struct v4l2_subdev_frame_size_enum { | |
87 | __u32 index; | |
88 | __u32 pad; | |
89 | __u32 code; | |
90 | __u32 min_width; | |
91 | __u32 max_width; | |
92 | __u32 min_height; | |
93 | __u32 max_height; | |
94 | __u32 reserved[9]; | |
95 | }; | |
96 | ||
35c3017a LP |
97 | /** |
98 | * struct v4l2_subdev_frame_interval - Pad-level frame rate | |
99 | * @pad: pad number, as reported by the media API | |
100 | * @interval: frame interval in seconds | |
101 | */ | |
102 | struct v4l2_subdev_frame_interval { | |
103 | __u32 pad; | |
104 | struct v4l2_fract interval; | |
105 | __u32 reserved[9]; | |
106 | }; | |
107 | ||
108 | /** | |
109 | * struct v4l2_subdev_frame_interval_enum - Frame interval enumeration | |
110 | * @pad: pad number, as reported by the media API | |
111 | * @index: frame interval index during enumeration | |
112 | * @code: format code (from enum v4l2_mbus_pixelcode) | |
113 | * @width: frame width in pixels | |
114 | * @height: frame height in pixels | |
115 | * @interval: frame interval in seconds | |
116 | */ | |
117 | struct v4l2_subdev_frame_interval_enum { | |
118 | __u32 index; | |
119 | __u32 pad; | |
120 | __u32 code; | |
121 | __u32 width; | |
122 | __u32 height; | |
123 | struct v4l2_fract interval; | |
124 | __u32 reserved[9]; | |
125 | }; | |
126 | ||
ae184cda SA |
127 | /** |
128 | * struct v4l2_subdev_selection - selection info | |
129 | * | |
130 | * @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY | |
131 | * @pad: pad number, as reported by the media API | |
5689b288 SA |
132 | * @target: Selection target, used to choose one of possible rectangles, |
133 | * defined in v4l2-common.h; V4L2_SEL_TGT_* . | |
563df3d0 | 134 | * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. |
ae184cda SA |
135 | * @r: coordinates of the selection window |
136 | * @reserved: for future use, set to zero for now | |
137 | * | |
138 | * Hardware may use multiple helper windows to process a video stream. | |
139 | * The structure is used to exchange this selection areas between | |
140 | * an application and a driver. | |
141 | */ | |
142 | struct v4l2_subdev_selection { | |
143 | __u32 which; | |
144 | __u32 pad; | |
145 | __u32 target; | |
146 | __u32 flags; | |
147 | struct v4l2_rect r; | |
148 | __u32 reserved[8]; | |
149 | }; | |
150 | ||
333c8b97 LP |
151 | #define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format) |
152 | #define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format) | |
35c3017a LP |
153 | #define VIDIOC_SUBDEV_G_FRAME_INTERVAL \ |
154 | _IOWR('V', 21, struct v4l2_subdev_frame_interval) | |
155 | #define VIDIOC_SUBDEV_S_FRAME_INTERVAL \ | |
156 | _IOWR('V', 22, struct v4l2_subdev_frame_interval) | |
333c8b97 LP |
157 | #define VIDIOC_SUBDEV_ENUM_MBUS_CODE \ |
158 | _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum) | |
159 | #define VIDIOC_SUBDEV_ENUM_FRAME_SIZE \ | |
160 | _IOWR('V', 74, struct v4l2_subdev_frame_size_enum) | |
35c3017a LP |
161 | #define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL \ |
162 | _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum) | |
f6a5cb1b AK |
163 | #define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop) |
164 | #define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop) | |
ae184cda SA |
165 | #define VIDIOC_SUBDEV_G_SELECTION \ |
166 | _IOWR('V', 61, struct v4l2_subdev_selection) | |
167 | #define VIDIOC_SUBDEV_S_SELECTION \ | |
168 | _IOWR('V', 62, struct v4l2_subdev_selection) | |
333c8b97 LP |
169 | |
170 | #endif |