| Greg Hackmann | db7d80d | 2012-09-26 14:05:35 -0700 | [diff] [blame] | 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 */ |