]>
Commit | Line | Data |
---|---|---|
140d8816 LP |
1 | /* |
2 | * Multimedia device 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_MEDIA_H | |
24 | #define __LINUX_MEDIA_H | |
25 | ||
26 | #include <linux/ioctl.h> | |
27 | #include <linux/types.h> | |
28 | #include <linux/version.h> | |
29 | ||
30 | #define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0) | |
31 | ||
32 | struct media_device_info { | |
33 | char driver[16]; | |
34 | char model[32]; | |
35 | char serial[40]; | |
36 | char bus_info[32]; | |
37 | __u32 media_version; | |
38 | __u32 hw_revision; | |
39 | __u32 driver_version; | |
40 | __u32 reserved[31]; | |
41 | }; | |
42 | ||
1651333b LP |
43 | #define MEDIA_ENT_ID_FLAG_NEXT (1 << 31) |
44 | ||
45 | #define MEDIA_ENT_TYPE_SHIFT 16 | |
46 | #define MEDIA_ENT_TYPE_MASK 0x00ff0000 | |
47 | #define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff | |
48 | ||
49 | #define MEDIA_ENT_T_DEVNODE (1 << MEDIA_ENT_TYPE_SHIFT) | |
50 | #define MEDIA_ENT_T_DEVNODE_V4L (MEDIA_ENT_T_DEVNODE + 1) | |
51 | #define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_T_DEVNODE + 2) | |
52 | #define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_T_DEVNODE + 3) | |
53 | #define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_T_DEVNODE + 4) | |
54 | ||
55 | #define MEDIA_ENT_T_V4L2_SUBDEV (2 << MEDIA_ENT_TYPE_SHIFT) | |
56 | #define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR (MEDIA_ENT_T_V4L2_SUBDEV + 1) | |
57 | #define MEDIA_ENT_T_V4L2_SUBDEV_FLASH (MEDIA_ENT_T_V4L2_SUBDEV + 2) | |
58 | #define MEDIA_ENT_T_V4L2_SUBDEV_LENS (MEDIA_ENT_T_V4L2_SUBDEV + 3) | |
59 | ||
60 | #define MEDIA_ENT_FL_DEFAULT (1 << 0) | |
61 | ||
62 | struct media_entity_desc { | |
63 | __u32 id; | |
64 | char name[32]; | |
65 | __u32 type; | |
66 | __u32 revision; | |
67 | __u32 flags; | |
68 | __u32 group_id; | |
69 | __u16 pads; | |
70 | __u16 links; | |
71 | ||
72 | __u32 reserved[4]; | |
73 | ||
74 | union { | |
75 | /* Node specifications */ | |
76 | struct { | |
77 | __u32 major; | |
78 | __u32 minor; | |
79 | } v4l; | |
80 | struct { | |
81 | __u32 major; | |
82 | __u32 minor; | |
83 | } fb; | |
84 | struct { | |
85 | __u32 card; | |
86 | __u32 device; | |
87 | __u32 subdevice; | |
88 | } alsa; | |
89 | int dvb; | |
90 | ||
91 | /* Sub-device specifications */ | |
92 | /* Nothing needed yet */ | |
93 | __u8 raw[184]; | |
94 | }; | |
95 | }; | |
96 | ||
97 | #define MEDIA_PAD_FL_SINK (1 << 0) | |
98 | #define MEDIA_PAD_FL_SOURCE (1 << 1) | |
99 | ||
100 | struct media_pad_desc { | |
101 | __u32 entity; /* entity ID */ | |
102 | __u16 index; /* pad index */ | |
103 | __u32 flags; /* pad flags */ | |
104 | __u32 reserved[2]; | |
105 | }; | |
106 | ||
107 | #define MEDIA_LNK_FL_ENABLED (1 << 0) | |
108 | #define MEDIA_LNK_FL_IMMUTABLE (1 << 1) | |
e02188c9 | 109 | #define MEDIA_LNK_FL_DYNAMIC (1 << 2) |
1651333b LP |
110 | |
111 | struct media_link_desc { | |
112 | struct media_pad_desc source; | |
113 | struct media_pad_desc sink; | |
114 | __u32 flags; | |
115 | __u32 reserved[2]; | |
116 | }; | |
117 | ||
118 | struct media_links_enum { | |
119 | __u32 entity; | |
120 | /* Should have enough room for pads elements */ | |
121 | struct media_pad_desc __user *pads; | |
122 | /* Should have enough room for links elements */ | |
123 | struct media_link_desc __user *links; | |
124 | __u32 reserved[4]; | |
125 | }; | |
126 | ||
140d8816 | 127 | #define MEDIA_IOC_DEVICE_INFO _IOWR('M', 1, struct media_device_info) |
1651333b LP |
128 | #define MEDIA_IOC_ENUM_ENTITIES _IOWR('M', 2, struct media_entity_desc) |
129 | #define MEDIA_IOC_ENUM_LINKS _IOWR('M', 3, struct media_links_enum) | |
97548ed4 | 130 | #define MEDIA_IOC_SETUP_LINK _IOWR('M', 4, struct media_link_desc) |
140d8816 LP |
131 | |
132 | #endif /* __LINUX_MEDIA_H */ |