2 * Multimedia device API
4 * Copyright (C) 2010 Nokia Corporation
6 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
7 * Sakari Ailus <sakari.ailus@iki.fi>
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.
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.
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
23 #ifndef __LINUX_MEDIA_H
24 #define __LINUX_MEDIA_H
26 #include <linux/ioctl.h>
27 #include <linux/types.h>
28 #include <linux/version.h>
30 #define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0)
32 struct media_device_info {
43 #define MEDIA_ENT_ID_FLAG_NEXT (1 << 31)
45 #define MEDIA_ENT_TYPE_SHIFT 16
46 #define MEDIA_ENT_TYPE_MASK 0x00ff0000
47 #define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff
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)
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)
60 #define MEDIA_ENT_FL_DEFAULT (1 << 0)
62 struct media_entity_desc {
75 /* Node specifications */
91 /* Sub-device specifications */
92 /* Nothing needed yet */
97 #define MEDIA_PAD_FL_SINK (1 << 0)
98 #define MEDIA_PAD_FL_SOURCE (1 << 1)
100 struct media_pad_desc {
101 __u32 entity; /* entity ID */
102 __u16 index; /* pad index */
103 __u32 flags; /* pad flags */
107 #define MEDIA_LNK_FL_ENABLED (1 << 0)
108 #define MEDIA_LNK_FL_IMMUTABLE (1 << 1)
110 struct media_link_desc {
111 struct media_pad_desc source;
112 struct media_pad_desc sink;
117 struct media_links_enum {
119 /* Should have enough room for pads elements */
120 struct media_pad_desc __user *pads;
121 /* Should have enough room for links elements */
122 struct media_link_desc __user *links;
126 #define MEDIA_IOC_DEVICE_INFO _IOWR('M', 1, struct media_device_info)
127 #define MEDIA_IOC_ENUM_ENTITIES _IOWR('M', 2, struct media_entity_desc)
128 #define MEDIA_IOC_ENUM_LINKS _IOWR('M', 3, struct media_links_enum)
130 #endif /* __LINUX_MEDIA_H */