diff options
Diffstat (limited to 'include/linux/media.h')
-rw-r--r-- | include/linux/media.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/include/linux/media.h b/include/linux/media.h new file mode 100644 index 00000000000..0ef883327de --- /dev/null +++ b/include/linux/media.h | |||
@@ -0,0 +1,132 @@ | |||
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 | |||
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) | ||
109 | #define MEDIA_LNK_FL_DYNAMIC (1 << 2) | ||
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 | |||
127 | #define MEDIA_IOC_DEVICE_INFO _IOWR('|', 0x00, struct media_device_info) | ||
128 | #define MEDIA_IOC_ENUM_ENTITIES _IOWR('|', 0x01, struct media_entity_desc) | ||
129 | #define MEDIA_IOC_ENUM_LINKS _IOWR('|', 0x02, struct media_links_enum) | ||
130 | #define MEDIA_IOC_SETUP_LINK _IOWR('|', 0x03, struct media_link_desc) | ||
131 | |||
132 | #endif /* __LINUX_MEDIA_H */ | ||