[deliverable/linux.git] / include / uapi / linux / media.h

/*
 * Multimedia device API
 *
 * Copyright (C) 2010 Nokia Corporation
 *
 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 *	     Sakari Ailus <sakari.ailus@iki.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __LINUX_MEDIA_H
#define __LINUX_MEDIA_H

#ifndef __KERNEL__
#include <stdint.h>
#endif
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/version.h>

#define MEDIA_API_VERSION	KERNEL_VERSION(0, 1, 0)

struct media_device_info {
	char driver[16];
	char model[32];
	char serial[40];
	char bus_info[32];
	__u32 media_version;
	__u32 hw_revision;
	__u32 driver_version;
	__u32 reserved[31];
};

#define MEDIA_ENT_ID_FLAG_NEXT		(1 << 31)

/*
 * Initial value to be used when a new entity is created
 * Drivers should change it to something useful
 */
#define MEDIA_ENT_F_UNKNOWN	0x00000000

/*
 * Base number ranges for entity functions
 *
 * NOTE: those ranges and entity function number are phased just to
 * make it easier to maintain this file. Userspace should not rely on
 * the ranges to identify a group of function types, as newer
 * functions can be added with any name within the full u32 range.
 */
#define MEDIA_ENT_F_BASE		0x00000000
#define MEDIA_ENT_F_OLD_BASE		0x00010000
#define MEDIA_ENT_F_OLD_SUBDEV_BASE	0x00020000

/*
 * DVB entities
 */
#define MEDIA_ENT_F_DTV_DEMOD		(MEDIA_ENT_F_BASE + 0x00001)
#define MEDIA_ENT_F_TS_DEMUX		(MEDIA_ENT_F_BASE + 0x00002)
#define MEDIA_ENT_F_DTV_CA		(MEDIA_ENT_F_BASE + 0x00003)
#define MEDIA_ENT_F_DTV_NET_DECAP	(MEDIA_ENT_F_BASE + 0x00004)

/*
 * I/O entities
 */
#define MEDIA_ENT_F_IO_DTV		(MEDIA_ENT_F_BASE + 0x01001)
#define MEDIA_ENT_F_IO_VBI		(MEDIA_ENT_F_BASE + 0x01002)
#define MEDIA_ENT_F_IO_SWRADIO		(MEDIA_ENT_F_BASE + 0x01003)

/*
 * Analog TV IF-PLL decoders
 *
 * It is a responsibility of the master/bridge drivers to create links
 * for MEDIA_ENT_F_IF_VID_DECODER and MEDIA_ENT_F_IF_AUD_DECODER.
 */
#define MEDIA_ENT_F_IF_VID_DECODER	(MEDIA_ENT_F_BASE + 0x02001)
#define MEDIA_ENT_F_IF_AUD_DECODER	(MEDIA_ENT_F_BASE + 0x02002)

/*
 * Audio Entity Functions
 */
#define MEDIA_ENT_F_AUDIO_CAPTURE	(MEDIA_ENT_F_BASE + 0x03001)
#define MEDIA_ENT_F_AUDIO_PLAYBACK	(MEDIA_ENT_F_BASE + 0x03002)
#define MEDIA_ENT_F_AUDIO_MIXER		(MEDIA_ENT_F_BASE + 0x03003)

/*
 * Processing entities
 */
#define MEDIA_ENT_F_PROC_VIDEO_COMPOSER		(MEDIA_ENT_F_BASE + 0x4001)
#define MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER	(MEDIA_ENT_F_BASE + 0x4002)
#define MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV	(MEDIA_ENT_F_BASE + 0x4003)
#define MEDIA_ENT_F_PROC_VIDEO_LUT		(MEDIA_ENT_F_BASE + 0x4004)
#define MEDIA_ENT_F_PROC_VIDEO_SCALER		(MEDIA_ENT_F_BASE + 0x4005)
#define MEDIA_ENT_F_PROC_VIDEO_STATISTICS	(MEDIA_ENT_F_BASE + 0x4006)

/*
 * Connectors
 */
/* It is a responsibility of the entity drivers to add connectors and links */
#ifdef __KERNEL__
	/*
	 * For now, it should not be used in userspace, as some
	 * definitions may change
	 */

#define MEDIA_ENT_F_CONN_RF		(MEDIA_ENT_F_BASE + 0x30001)
#define MEDIA_ENT_F_CONN_SVIDEO		(MEDIA_ENT_F_BASE + 0x30002)
#define MEDIA_ENT_F_CONN_COMPOSITE	(MEDIA_ENT_F_BASE + 0x30003)

#endif

/*
 * Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and
 * MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility
 * with the legacy v1 API.The number range is out of range by purpose:
 * several previously reserved numbers got excluded from this range.
 *
 * Subdevs are initialized with MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN,
 * in order to preserve backward compatibility.
 * Drivers must change to the proper subdev type before
 * registering the entity.
 */

#define MEDIA_ENT_F_IO_V4L  		(MEDIA_ENT_F_OLD_BASE + 1)

#define MEDIA_ENT_F_CAM_SENSOR		(MEDIA_ENT_F_OLD_SUBDEV_BASE + 1)
#define MEDIA_ENT_F_FLASH		(MEDIA_ENT_F_OLD_SUBDEV_BASE + 2)
#define MEDIA_ENT_F_LENS		(MEDIA_ENT_F_OLD_SUBDEV_BASE + 3)
#define MEDIA_ENT_F_ATV_DECODER		(MEDIA_ENT_F_OLD_SUBDEV_BASE + 4)
/*
 * It is a responsibility of the master/bridge drivers to add connectors
 * and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners
 * may require the usage of separate I2C chips to decode analog TV signals,
 * when the master/bridge chipset doesn't have its own TV standard decoder.
 * On such cases, the IF-PLL staging is mapped via one or two entities:
 * MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER.
 */
#define MEDIA_ENT_F_TUNER		(MEDIA_ENT_F_OLD_SUBDEV_BASE + 5)

#define MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN	MEDIA_ENT_F_OLD_SUBDEV_BASE

#if !defined(__KERNEL__) || defined(__NEED_MEDIA_LEGACY_API)

/*
 * Legacy symbols used to avoid userspace compilation breakages
 *
 * Those symbols map the entity function into types and should be
 * used only on legacy programs for legacy hardware. Don't rely
 * on those for MEDIA_IOC_G_TOPOLOGY.
 */
#define MEDIA_ENT_TYPE_SHIFT		16
#define MEDIA_ENT_TYPE_MASK		0x00ff0000
#define MEDIA_ENT_SUBTYPE_MASK		0x0000ffff

/* End of the old subdev reserved numberspace */
#define MEDIA_ENT_T_DEVNODE_UNKNOWN	(MEDIA_ENT_T_DEVNODE | \
					 MEDIA_ENT_SUBTYPE_MASK)

#define MEDIA_ENT_T_DEVNODE		MEDIA_ENT_F_OLD_BASE
#define MEDIA_ENT_T_DEVNODE_V4L		MEDIA_ENT_F_IO_V4L
#define MEDIA_ENT_T_DEVNODE_FB		(MEDIA_ENT_T_DEVNODE + 2)
#define MEDIA_ENT_T_DEVNODE_ALSA	(MEDIA_ENT_T_DEVNODE + 3)
#define MEDIA_ENT_T_DEVNODE_DVB		(MEDIA_ENT_T_DEVNODE + 4)

#define MEDIA_ENT_T_UNKNOWN		MEDIA_ENT_F_UNKNOWN
#define MEDIA_ENT_T_V4L2_VIDEO		MEDIA_ENT_F_IO_V4L
#define MEDIA_ENT_T_V4L2_SUBDEV		MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN
#define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR	MEDIA_ENT_F_CAM_SENSOR
#define MEDIA_ENT_T_V4L2_SUBDEV_FLASH	MEDIA_ENT_F_FLASH
#define MEDIA_ENT_T_V4L2_SUBDEV_LENS	MEDIA_ENT_F_LENS
#define MEDIA_ENT_T_V4L2_SUBDEV_DECODER	MEDIA_ENT_F_ATV_DECODER
#define MEDIA_ENT_T_V4L2_SUBDEV_TUNER	MEDIA_ENT_F_TUNER
#endif

/* Entity flags */
#define MEDIA_ENT_FL_DEFAULT		(1 << 0)
#define MEDIA_ENT_FL_CONNECTOR		(1 << 1)

struct media_entity_desc {
	__u32 id;
	char name[32];
	__u32 type;
	__u32 revision;
	__u32 flags;
	__u32 group_id;
	__u16 pads;
	__u16 links;

	__u32 reserved[4];

	union {
		/* Node specifications */
		struct {
			__u32 major;
			__u32 minor;
		} dev;

#if 1
		/*
		 * TODO: this shouldn't have been added without
		 * actual drivers that use this. When the first real driver
		 * appears that sets this information, special attention
		 * should be given whether this information is 1) enough, and
		 * 2) can deal with udev rules that rename devices. The struct
		 * dev would not be sufficient for this since that does not
		 * contain the subdevice information. In addition, struct dev
		 * can only refer to a single device, and not to multiple (e.g.
		 * pcm and mixer devices).
		 *
		 * So for now mark this as a to do.
		 */
		struct {
			__u32 card;
			__u32 device;
			__u32 subdevice;
		} alsa;
#endif

#if 1
		/*
		 * DEPRECATED: previous node specifications. Kept just to
		 * avoid breaking compilation, but media_entity_desc.dev
		 * should be used instead. In particular, alsa and dvb
		 * fields below are wrong: for all devnodes, there should
		 * be just major/minor inside the struct, as this is enough
		 * to represent any devnode, no matter what type.
		 */
		struct {
			__u32 major;
			__u32 minor;
		} v4l;
		struct {
			__u32 major;
			__u32 minor;
		} fb;
		int dvb;
#endif

		/* Sub-device specifications */
		/* Nothing needed yet */
		__u8 raw[184];
	};
};

#define MEDIA_PAD_FL_SINK		(1 << 0)
#define MEDIA_PAD_FL_SOURCE		(1 << 1)
#define MEDIA_PAD_FL_MUST_CONNECT	(1 << 2)

struct media_pad_desc {
	__u32 entity;		/* entity ID */
	__u16 index;		/* pad index */
	__u32 flags;		/* pad flags */
	__u32 reserved[2];
};

#define MEDIA_LNK_FL_ENABLED		(1 << 0)
#define MEDIA_LNK_FL_IMMUTABLE		(1 << 1)
#define MEDIA_LNK_FL_DYNAMIC		(1 << 2)

#define MEDIA_LNK_FL_LINK_TYPE		(0xf << 28)
#  define MEDIA_LNK_FL_DATA_LINK	(0 << 28)
#  define MEDIA_LNK_FL_INTERFACE_LINK	(1 << 28)

struct media_link_desc {
	struct media_pad_desc source;
	struct media_pad_desc sink;
	__u32 flags;
	__u32 reserved[2];
};

struct media_links_enum {
	__u32 entity;
	/* Should have enough room for pads elements */
	struct media_pad_desc __user *pads;
	/* Should have enough room for links elements */
	struct media_link_desc __user *links;
	__u32 reserved[4];
};

/* Interface type ranges */

#define MEDIA_INTF_T_DVB_BASE	0x00000100
#define MEDIA_INTF_T_V4L_BASE	0x00000200
#define MEDIA_INTF_T_ALSA_BASE	0x00000300

/* Interface types */

#define MEDIA_INTF_T_DVB_FE    	(MEDIA_INTF_T_DVB_BASE)
#define MEDIA_INTF_T_DVB_DEMUX  (MEDIA_INTF_T_DVB_BASE + 1)
#define MEDIA_INTF_T_DVB_DVR    (MEDIA_INTF_T_DVB_BASE + 2)
#define MEDIA_INTF_T_DVB_CA     (MEDIA_INTF_T_DVB_BASE + 3)
#define MEDIA_INTF_T_DVB_NET    (MEDIA_INTF_T_DVB_BASE + 4)

#define MEDIA_INTF_T_V4L_VIDEO  (MEDIA_INTF_T_V4L_BASE)
#define MEDIA_INTF_T_V4L_VBI    (MEDIA_INTF_T_V4L_BASE + 1)
#define MEDIA_INTF_T_V4L_RADIO  (MEDIA_INTF_T_V4L_BASE + 2)
#define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3)
#define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4)

#define MEDIA_INTF_T_ALSA_PCM_CAPTURE   (MEDIA_INTF_T_ALSA_BASE)
#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK  (MEDIA_INTF_T_ALSA_BASE + 1)
#define MEDIA_INTF_T_ALSA_CONTROL       (MEDIA_INTF_T_ALSA_BASE + 2)
#define MEDIA_INTF_T_ALSA_COMPRESS      (MEDIA_INTF_T_ALSA_BASE + 3)
#define MEDIA_INTF_T_ALSA_RAWMIDI       (MEDIA_INTF_T_ALSA_BASE + 4)
#define MEDIA_INTF_T_ALSA_HWDEP         (MEDIA_INTF_T_ALSA_BASE + 5)
#define MEDIA_INTF_T_ALSA_SEQUENCER     (MEDIA_INTF_T_ALSA_BASE + 6)
#define MEDIA_INTF_T_ALSA_TIMER         (MEDIA_INTF_T_ALSA_BASE + 7)

/*
 * MC next gen API definitions
 *
 * NOTE: The declarations below are close to the MC RFC for the Media
 *	 Controller, the next generation. Yet, there are a few adjustments
 *	 to do, as we want to be able to have a functional API before
 *	 the MC properties change. Those will be properly marked below.
 *	 Please also notice that I removed "num_pads", "num_links",
 *	 from the proposal, as a proper userspace application will likely
 *	 use lists for pads/links, just as we intend to do in Kernelspace.
 *	 The API definition should be freed from fields that are bound to
 *	 some specific data structure.
 *
 * FIXME: Currently, I opted to name the new types as "media_v2", as this
 *	  won't cause any conflict with the Kernelspace namespace, nor with
 *	  the previous kAPI media_*_desc namespace. This can be changed
 *	  later, before the adding this API upstream.
 */


struct media_v2_entity {
	__u32 id;
	char name[64];		/* FIXME: move to a property? (RFC says so) */
	__u32 function;		/* Main function of the entity */
	__u32 reserved[6];
} __attribute__ ((packed));

/* Should match the specific fields at media_intf_devnode */
struct media_v2_intf_devnode {
	__u32 major;
	__u32 minor;
} __attribute__ ((packed));

struct media_v2_interface {
	__u32 id;
	__u32 intf_type;
	__u32 flags;
	__u32 reserved[9];

	union {
		struct media_v2_intf_devnode devnode;
		__u32 raw[16];
	};
} __attribute__ ((packed));

struct media_v2_pad {
	__u32 id;
	__u32 entity_id;
	__u32 flags;
	__u32 reserved[5];
} __attribute__ ((packed));

struct media_v2_link {
	__u32 id;
	__u32 source_id;
	__u32 sink_id;
	__u32 flags;
	__u32 reserved[6];
} __attribute__ ((packed));

struct media_v2_topology {
	__u64 topology_version;

	__u32 num_entities;
	__u32 reserved1;
	__u64 ptr_entities;

	__u32 num_interfaces;
	__u32 reserved2;
	__u64 ptr_interfaces;

	__u32 num_pads;
	__u32 reserved3;
	__u64 ptr_pads;

	__u32 num_links;
	__u32 reserved4;
	__u64 ptr_links;
} __attribute__ ((packed));

/* ioctls */

#define MEDIA_IOC_DEVICE_INFO		_IOWR('|', 0x00, struct media_device_info)
#define MEDIA_IOC_ENUM_ENTITIES		_IOWR('|', 0x01, struct media_entity_desc)
#define MEDIA_IOC_ENUM_LINKS		_IOWR('|', 0x02, struct media_links_enum)
#define MEDIA_IOC_SETUP_LINK		_IOWR('|', 0x03, struct media_link_desc)
#define MEDIA_IOC_G_TOPOLOGY		_IOWR('|', 0x04, struct media_v2_topology)

#endif /* __LINUX_MEDIA_H */
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
b3b7a9f1 MCC	26	#ifndef __KERNEL__
	27	#include <stdint.h>
	28	#endif
140d8816 LP	29	#include <linux/ioctl.h>
	30	#include <linux/types.h>
	31	#include <linux/version.h>
	32
	33	#define MEDIA_API_VERSION KERNEL_VERSION(0, 1, 0)
	34
	35	struct media_device_info {
	36	char driver[16];
	37	char model[32];
	38	char serial[40];
	39	char bus_info[32];
	40	__u32 media_version;
	41	__u32 hw_revision;
	42	__u32 driver_version;
	43	__u32 reserved[31];
	44	};
	45
1651333b LP	46	#define MEDIA_ENT_ID_FLAG_NEXT (1 << 31)
1651333b LP	47
b50bde4e MCC	48	/*
	49	* Initial value to be used when a new entity is created
	50	* Drivers should change it to something useful
	51	*/
4ca72efa	52	#define MEDIA_ENT_F_UNKNOWN 0x00000000
b50bde4e	53
32fdc0e1	54	/*
4ca72efa	55	* Base number ranges for entity functions
32fdc0e1	56	*
4ca72efa MCC	57	* NOTE: those ranges and entity function number are phased just to
	58	* make it easier to maintain this file. Userspace should not rely on
	59	* the ranges to identify a group of function types, as newer
	60	* functions can be added with any name within the full u32 range.
32fdc0e1	61	*/
4ca72efa MCC	62	#define MEDIA_ENT_F_BASE 0x00000000
	63	#define MEDIA_ENT_F_OLD_BASE 0x00010000
	64	#define MEDIA_ENT_F_OLD_SUBDEV_BASE 0x00020000
32fdc0e1 MCC	65
32fdc0e1 MCC	66	/*
4ca72efa	67	* DVB entities
32fdc0e1	68	*/
58402b6e HV	69	#define MEDIA_ENT_F_DTV_DEMOD (MEDIA_ENT_F_BASE + 0x00001)
	70	#define MEDIA_ENT_F_TS_DEMUX (MEDIA_ENT_F_BASE + 0x00002)
	71	#define MEDIA_ENT_F_DTV_CA (MEDIA_ENT_F_BASE + 0x00003)
	72	#define MEDIA_ENT_F_DTV_NET_DECAP (MEDIA_ENT_F_BASE + 0x00004)
fa17b46a	73
b50bde4e	74	/*
1f452240	75	* I/O entities
4ca72efa	76	*/
58402b6e HV	77	#define MEDIA_ENT_F_IO_DTV (MEDIA_ENT_F_BASE + 0x01001)
	78	#define MEDIA_ENT_F_IO_VBI (MEDIA_ENT_F_BASE + 0x01002)
	79	#define MEDIA_ENT_F_IO_SWRADIO (MEDIA_ENT_F_BASE + 0x01003)
4ca72efa	80
06131932 MCC	81	/*
	82	* Analog TV IF-PLL decoders
	83	*
	84	* It is a responsibility of the master/bridge drivers to create links
	85	* for MEDIA_ENT_F_IF_VID_DECODER and MEDIA_ENT_F_IF_AUD_DECODER.
	86	*/
87294e9d HV	87	#define MEDIA_ENT_F_IF_VID_DECODER (MEDIA_ENT_F_BASE + 0x02001)
87294e9d HV	88	#define MEDIA_ENT_F_IF_AUD_DECODER (MEDIA_ENT_F_BASE + 0x02002)
8c755c29	89
7a2eba12 SK	90	/*
	91	* Audio Entity Functions
	92	*/
64bd1971 HV	93	#define MEDIA_ENT_F_AUDIO_CAPTURE (MEDIA_ENT_F_BASE + 0x03001)
	94	#define MEDIA_ENT_F_AUDIO_PLAYBACK (MEDIA_ENT_F_BASE + 0x03002)
	95	#define MEDIA_ENT_F_AUDIO_MIXER (MEDIA_ENT_F_BASE + 0x03003)
7a2eba12	96
1179aab1 LP	97	/*
	98	* Processing entities
	99	*/
	100	#define MEDIA_ENT_F_PROC_VIDEO_COMPOSER (MEDIA_ENT_F_BASE + 0x4001)
	101	#define MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER (MEDIA_ENT_F_BASE + 0x4002)
	102	#define MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV (MEDIA_ENT_F_BASE + 0x4003)
	103	#define MEDIA_ENT_F_PROC_VIDEO_LUT (MEDIA_ENT_F_BASE + 0x4004)
	104	#define MEDIA_ENT_F_PROC_VIDEO_SCALER (MEDIA_ENT_F_BASE + 0x4005)
eaa0b96b	105	#define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006)
1179aab1	106
4ca72efa	107	/*
1f452240	108	* Connectors
4ca72efa	109	*/
1f452240	110	/* It is a responsibility of the entity drivers to add connectors and links */
93125094 MCC	111	#ifdef __KERNEL__
	112	/*
	113	* For now, it should not be used in userspace, as some
	114	* definitions may change
	115	*/
	116
58402b6e HV	117	#define MEDIA_ENT_F_CONN_RF (MEDIA_ENT_F_BASE + 0x30001)
	118	#define MEDIA_ENT_F_CONN_SVIDEO (MEDIA_ENT_F_BASE + 0x30002)
	119	#define MEDIA_ENT_F_CONN_COMPOSITE (MEDIA_ENT_F_BASE + 0x30003)
4ca72efa	120
93125094 MCC	121	#endif
93125094 MCC	122
4ca72efa MCC	123	/*
	124	* Don't touch on those. The ranges MEDIA_ENT_F_OLD_BASE and
	125	* MEDIA_ENT_F_OLD_SUBDEV_BASE are kept to keep backward compatibility
	126	* with the legacy v1 API.The number range is out of range by purpose:
	127	* several previously reserved numbers got excluded from this range.
	128	*
b50bde4e MCC	129	* Subdevs are initialized with MEDIA_ENT_T_V4L2_SUBDEV_UNKNOWN,
b50bde4e MCC	130	* in order to preserve backward compatibility.
d1b9da2d	131	* Drivers must change to the proper subdev type before
b50bde4e MCC	132	* registering the entity.
b50bde4e MCC	133	*/
4ca72efa MCC	134
	135	#define MEDIA_ENT_F_IO_V4L (MEDIA_ENT_F_OLD_BASE + 1)
	136
	137	#define MEDIA_ENT_F_CAM_SENSOR (MEDIA_ENT_F_OLD_SUBDEV_BASE + 1)
	138	#define MEDIA_ENT_F_FLASH (MEDIA_ENT_F_OLD_SUBDEV_BASE + 2)
	139	#define MEDIA_ENT_F_LENS (MEDIA_ENT_F_OLD_SUBDEV_BASE + 3)
	140	#define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4)
b3109d66	141	/*
06131932 MCC	142	* It is a responsibility of the master/bridge drivers to add connectors
	143	* and links for MEDIA_ENT_F_TUNER. Please notice that some old tuners
	144	* may require the usage of separate I2C chips to decode analog TV signals,
	145	* when the master/bridge chipset doesn't have its own TV standard decoder.
	146	* On such cases, the IF-PLL staging is mapped via one or two entities:
	147	* MEDIA_ENT_F_IF_VID_DECODER and/or MEDIA_ENT_F_IF_AUD_DECODER.
b3109d66	148	*/
4ca72efa MCC	149	#define MEDIA_ENT_F_TUNER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 5)
	150
	151	#define MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN MEDIA_ENT_F_OLD_SUBDEV_BASE
49a11518	152
b2cd2744	153	#if !defined(__KERNEL__) \|\| defined(__NEED_MEDIA_LEGACY_API)
4ca72efa MCC	154
	155	/*
	156	* Legacy symbols used to avoid userspace compilation breakages
	157	*
	158	* Those symbols map the entity function into types and should be
	159	* used only on legacy programs for legacy hardware. Don't rely
	160	* on those for MEDIA_IOC_G_TOPOLOGY.
	161	*/
1651333b LP	162	#define MEDIA_ENT_TYPE_SHIFT 16
	163	#define MEDIA_ENT_TYPE_MASK 0x00ff0000
	164	#define MEDIA_ENT_SUBTYPE_MASK 0x0000ffff
	165
b2cd2744 MCC	166	/* End of the old subdev reserved numberspace */
	167	#define MEDIA_ENT_T_DEVNODE_UNKNOWN (MEDIA_ENT_T_DEVNODE \| \
	168	MEDIA_ENT_SUBTYPE_MASK)
	169
4ca72efa MCC	170	#define MEDIA_ENT_T_DEVNODE MEDIA_ENT_F_OLD_BASE
4ca72efa MCC	171	#define MEDIA_ENT_T_DEVNODE_V4L MEDIA_ENT_F_IO_V4L
1651333b LP	172	#define MEDIA_ENT_T_DEVNODE_FB (MEDIA_ENT_T_DEVNODE + 2)
1651333b LP	173	#define MEDIA_ENT_T_DEVNODE_ALSA (MEDIA_ENT_T_DEVNODE + 3)
32fdc0e1	174	#define MEDIA_ENT_T_DEVNODE_DVB (MEDIA_ENT_T_DEVNODE + 4)
4ca72efa MCC	175
	176	#define MEDIA_ENT_T_UNKNOWN MEDIA_ENT_F_UNKNOWN
	177	#define MEDIA_ENT_T_V4L2_VIDEO MEDIA_ENT_F_IO_V4L
	178	#define MEDIA_ENT_T_V4L2_SUBDEV MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN
	179	#define MEDIA_ENT_T_V4L2_SUBDEV_SENSOR MEDIA_ENT_F_CAM_SENSOR
	180	#define MEDIA_ENT_T_V4L2_SUBDEV_FLASH MEDIA_ENT_F_FLASH
	181	#define MEDIA_ENT_T_V4L2_SUBDEV_LENS MEDIA_ENT_F_LENS
	182	#define MEDIA_ENT_T_V4L2_SUBDEV_DECODER MEDIA_ENT_F_ATV_DECODER
	183	#define MEDIA_ENT_T_V4L2_SUBDEV_TUNER MEDIA_ENT_F_TUNER
4376679a	184	#endif
32fdc0e1	185
49a11518	186	/* Entity flags */
1651333b	187	#define MEDIA_ENT_FL_DEFAULT (1 << 0)
49a11518	188	#define MEDIA_ENT_FL_CONNECTOR (1 << 1)
1651333b LP	189
	190	struct media_entity_desc {
	191	__u32 id;
	192	char name[32];
	193	__u32 type;
	194	__u32 revision;
	195	__u32 flags;
	196	__u32 group_id;
	197	__u16 pads;
	198	__u16 links;
	199
	200	__u32 reserved[4];
	201
	202	union {
	203	/* Node specifications */
e31a0ba7 MCC	204	struct {
	205	__u32 major;
	206	__u32 minor;
	207	} dev;
	208
7e182f78 HV	209	#if 1
	210	/*
	211	* TODO: this shouldn't have been added without
	212	* actual drivers that use this. When the first real driver
	213	* appears that sets this information, special attention
	214	* should be given whether this information is 1) enough, and
	215	* 2) can deal with udev rules that rename devices. The struct
	216	* dev would not be sufficient for this since that does not
	217	* contain the subdevice information. In addition, struct dev
	218	* can only refer to a single device, and not to multiple (e.g.
	219	* pcm and mixer devices).
	220	*
	221	* So for now mark this as a to do.
	222	*/
	223	struct {
	224	__u32 card;
	225	__u32 device;
	226	__u32 subdevice;
	227	} alsa;
	228	#endif
	229
e31a0ba7 MCC	230	#if 1
	231	/*
	232	* DEPRECATED: previous node specifications. Kept just to
	233	* avoid breaking compilation, but media_entity_desc.dev
	234	* should be used instead. In particular, alsa and dvb
	235	* fields below are wrong: for all devnodes, there should
	236	* be just major/minor inside the struct, as this is enough
	237	* to represent any devnode, no matter what type.
	238	*/
1651333b LP	239	struct {
	240	__u32 major;
	241	__u32 minor;
	242	} v4l;
	243	struct {
	244	__u32 major;
	245	__u32 minor;
	246	} fb;
1651333b	247	int dvb;
e31a0ba7	248	#endif
1651333b LP	249
	250	/* Sub-device specifications */
	251	/* Nothing needed yet */
	252	__u8 raw[184];
	253	};
	254	};
	255
	256	#define MEDIA_PAD_FL_SINK (1 << 0)
	257	#define MEDIA_PAD_FL_SOURCE (1 << 1)
d0700c51	258	#define MEDIA_PAD_FL_MUST_CONNECT (1 << 2)
1651333b LP	259
	260	struct media_pad_desc {
	261	__u32 entity; /* entity ID */
	262	__u16 index; /* pad index */
	263	__u32 flags; /* pad flags */
	264	__u32 reserved[2];
	265	};
	266
	267	#define MEDIA_LNK_FL_ENABLED (1 << 0)
	268	#define MEDIA_LNK_FL_IMMUTABLE (1 << 1)
e02188c9	269	#define MEDIA_LNK_FL_DYNAMIC (1 << 2)
1651333b	270
c398bb64 MCC	271	#define MEDIA_LNK_FL_LINK_TYPE (0xf << 28)
	272	# define MEDIA_LNK_FL_DATA_LINK (0 << 28)
	273	# define MEDIA_LNK_FL_INTERFACE_LINK (1 << 28)
	274
1651333b LP	275	struct media_link_desc {
	276	struct media_pad_desc source;
	277	struct media_pad_desc sink;
	278	__u32 flags;
	279	__u32 reserved[2];
	280	};
	281
	282	struct media_links_enum {
	283	__u32 entity;
	284	/* Should have enough room for pads elements */
	285	struct media_pad_desc __user *pads;
	286	/* Should have enough room for links elements */
	287	struct media_link_desc __user *links;
	288	__u32 reserved[4];
	289	};
	290
a1d2510e MCC	291	/* Interface type ranges */
	292
	293	#define MEDIA_INTF_T_DVB_BASE 0x00000100
	294	#define MEDIA_INTF_T_V4L_BASE 0x00000200
5af557a6	295	#define MEDIA_INTF_T_ALSA_BASE 0x00000300
a1d2510e MCC	296
	297	/* Interface types */
	298
	299	#define MEDIA_INTF_T_DVB_FE (MEDIA_INTF_T_DVB_BASE)
	300	#define MEDIA_INTF_T_DVB_DEMUX (MEDIA_INTF_T_DVB_BASE + 1)
	301	#define MEDIA_INTF_T_DVB_DVR (MEDIA_INTF_T_DVB_BASE + 2)
	302	#define MEDIA_INTF_T_DVB_CA (MEDIA_INTF_T_DVB_BASE + 3)
	303	#define MEDIA_INTF_T_DVB_NET (MEDIA_INTF_T_DVB_BASE + 4)
	304
	305	#define MEDIA_INTF_T_V4L_VIDEO (MEDIA_INTF_T_V4L_BASE)
	306	#define MEDIA_INTF_T_V4L_VBI (MEDIA_INTF_T_V4L_BASE + 1)
	307	#define MEDIA_INTF_T_V4L_RADIO (MEDIA_INTF_T_V4L_BASE + 2)
	308	#define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3)
	309	#define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4)
	310
5af557a6 SK	311	#define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE)
	312	#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK (MEDIA_INTF_T_ALSA_BASE + 1)
	313	#define MEDIA_INTF_T_ALSA_CONTROL (MEDIA_INTF_T_ALSA_BASE + 2)
	314	#define MEDIA_INTF_T_ALSA_COMPRESS (MEDIA_INTF_T_ALSA_BASE + 3)
	315	#define MEDIA_INTF_T_ALSA_RAWMIDI (MEDIA_INTF_T_ALSA_BASE + 4)
	316	#define MEDIA_INTF_T_ALSA_HWDEP (MEDIA_INTF_T_ALSA_BASE + 5)
	317	#define MEDIA_INTF_T_ALSA_SEQUENCER (MEDIA_INTF_T_ALSA_BASE + 6)
	318	#define MEDIA_INTF_T_ALSA_TIMER (MEDIA_INTF_T_ALSA_BASE + 7)
	319
c398bb64 MCC	320	/*
	321	* MC next gen API definitions
	322	*
	323	* NOTE: The declarations below are close to the MC RFC for the Media
	324	* Controller, the next generation. Yet, there are a few adjustments
	325	* to do, as we want to be able to have a functional API before
	326	* the MC properties change. Those will be properly marked below.
	327	* Please also notice that I removed "num_pads", "num_links",
	328	* from the proposal, as a proper userspace application will likely
	329	* use lists for pads/links, just as we intend to do in Kernelspace.
	330	* The API definition should be freed from fields that are bound to
	331	* some specific data structure.
	332	*
	333	* FIXME: Currently, I opted to name the new types as "media_v2", as this
	334	* won't cause any conflict with the Kernelspace namespace, nor with
	335	* the previous kAPI media_*_desc namespace. This can be changed
	336	* later, before the adding this API upstream.
	337	*/
	338
333a6515	339
c398bb64 MCC	340	struct media_v2_entity {
	341	__u32 id;
	342	char name[64]; /* FIXME: move to a property? (RFC says so) */
d87cdb88	343	__u32 function; /* Main function of the entity */
fbe093ac SA	344	__u32 reserved[6];
fbe093ac SA	345	} __attribute__ ((packed));
c398bb64 MCC	346
	347	/* Should match the specific fields at media_intf_devnode */
	348	struct media_v2_intf_devnode {
	349	__u32 major;
	350	__u32 minor;
fbe093ac	351	} __attribute__ ((packed));
c398bb64 MCC	352
	353	struct media_v2_interface {
	354	__u32 id;
	355	__u32 intf_type;
	356	__u32 flags;
	357	__u32 reserved[9];
	358
	359	union {
	360	struct media_v2_intf_devnode devnode;
	361	__u32 raw[16];
	362	};
fbe093ac	363	} __attribute__ ((packed));
c398bb64 MCC	364
	365	struct media_v2_pad {
	366	__u32 id;
	367	__u32 entity_id;
	368	__u32 flags;
fbe093ac SA	369	__u32 reserved[5];
fbe093ac SA	370	} __attribute__ ((packed));
c398bb64 MCC	371
	372	struct media_v2_link {
	373	__u32 id;
	374	__u32 source_id;
	375	__u32 sink_id;
	376	__u32 flags;
fbe093ac SA	377	__u32 reserved[6];
fbe093ac SA	378	} __attribute__ ((packed));
c398bb64 MCC	379
c398bb64 MCC	380	struct media_v2_topology {
b3b7a9f1	381	__u64 topology_version;
c398bb64	382
7c9d6731 MCC	383	__u32 num_entities;
7c9d6731 MCC	384	__u32 reserved1;
b3b7a9f1	385	__u64 ptr_entities;
c398bb64	386
7c9d6731 MCC	387	__u32 num_interfaces;
7c9d6731 MCC	388	__u32 reserved2;
b3b7a9f1	389	__u64 ptr_interfaces;
c398bb64	390
7c9d6731 MCC	391	__u32 num_pads;
7c9d6731 MCC	392	__u32 reserved3;
b3b7a9f1	393	__u64 ptr_pads;
c398bb64	394
7c9d6731 MCC	395	__u32 num_links;
7c9d6731 MCC	396	__u32 reserved4;
b3b7a9f1	397	__u64 ptr_links;
fbe093ac	398	} __attribute__ ((packed));
c398bb64 MCC	399
c398bb64 MCC	400	/* ioctls */
a1d2510e	401
474966ee LP	402	#define MEDIA_IOC_DEVICE_INFO _IOWR('\|', 0x00, struct media_device_info)
	403	#define MEDIA_IOC_ENUM_ENTITIES _IOWR('\|', 0x01, struct media_entity_desc)
	404	#define MEDIA_IOC_ENUM_LINKS _IOWR('\|', 0x02, struct media_links_enum)
	405	#define MEDIA_IOC_SETUP_LINK _IOWR('\|', 0x03, struct media_link_desc)
c398bb64	406	#define MEDIA_IOC_G_TOPOLOGY _IOWR('\|', 0x04, struct media_v2_topology)
140d8816 LP	407
140d8816 LP	408	#endif /* __LINUX_MEDIA_H */