cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/sound/asequencer.h

/*
 *  Main header file for the ALSA sequencer
 *  Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
 *            (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>
 *
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   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 _UAPI__SOUND_ASEQUENCER_H

#define _UAPI__SOUND_ASEQUENCER_H

#include <sound/asound.h>

/** version of the sequencer */

#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2)

/**
 * definition of sequencer event types
 */

/** system messages
 * event data type = #snd_seq_result
 */

#define SNDRV_SEQ_EVENT_SYSTEM		0

#define SNDRV_SEQ_EVENT_RESULT		1

/** note messages (channel specific)
 * event data type = #snd_seq_ev_note
 */

#define SNDRV_SEQ_EVENT_NOTE		5

#define SNDRV_SEQ_EVENT_NOTEON		6

#define SNDRV_SEQ_EVENT_NOTEOFF		7

#define SNDRV_SEQ_EVENT_KEYPRESS	8
	
/** control messages (channel specific)
 * event data type = #snd_seq_ev_ctrl
 */

#define SNDRV_SEQ_EVENT_CONTROLLER	10

#define SNDRV_SEQ_EVENT_PGMCHANGE	11

#define SNDRV_SEQ_EVENT_CHANPRESS	12

#define SNDRV_SEQ_EVENT_PITCHBEND	13	
/**< from -8192 to 8191 */

#define SNDRV_SEQ_EVENT_CONTROL14	14	
/**< 14 bit controller value */

#define SNDRV_SEQ_EVENT_NONREGPARAM	15	
/**< 14 bit NRPN address + 14 bit unsigned value */

#define SNDRV_SEQ_EVENT_REGPARAM	16	
/**< 14 bit RPN address + 14 bit unsigned value */

/** synchronisation messages
 * event data type = #snd_seq_ev_ctrl
 */

#define SNDRV_SEQ_EVENT_SONGPOS		20	
/* Song Position Pointer with LSB and MSB values */

#define SNDRV_SEQ_EVENT_SONGSEL		21	
/* Song Select with song ID number */

#define SNDRV_SEQ_EVENT_QFRAME		22	
/* midi time code quarter frame */

#define SNDRV_SEQ_EVENT_TIMESIGN	23	
/* SMF Time Signature event */

#define SNDRV_SEQ_EVENT_KEYSIGN		24	
/* SMF Key Signature event */
	        
/** timer messages
 * event data type = snd_seq_ev_queue_control
 */

#define SNDRV_SEQ_EVENT_START		30	
/* midi Real Time Start message */

#define SNDRV_SEQ_EVENT_CONTINUE	31	
/* midi Real Time Continue message */

#define SNDRV_SEQ_EVENT_STOP		32	
/* midi Real Time Stop message */	

#define	SNDRV_SEQ_EVENT_SETPOS_TICK	33	
/* set tick queue position */

#define SNDRV_SEQ_EVENT_SETPOS_TIME	34	
/* set realtime queue position */

#define SNDRV_SEQ_EVENT_TEMPO		35	
/* (SMF) Tempo event */

#define SNDRV_SEQ_EVENT_CLOCK		36	
/* midi Real Time Clock message */

#define SNDRV_SEQ_EVENT_TICK		37	
/* midi Real Time Tick message */

#define SNDRV_SEQ_EVENT_QUEUE_SKEW	38	
/* skew queue tempo */

/** others
 * event data type = none
 */

#define SNDRV_SEQ_EVENT_TUNE_REQUEST	40	
/* tune request */

#define SNDRV_SEQ_EVENT_RESET		41	
/* reset to power-on state */

#define SNDRV_SEQ_EVENT_SENSING		42	
/* "active sensing" event */

/** echo back, kernel private messages
 * event data type = any type
 */

#define SNDRV_SEQ_EVENT_ECHO		50	
/* echo event */

#define SNDRV_SEQ_EVENT_OSS		51	
/* OSS raw event */

/** system status messages (broadcast for subscribers)
 * event data type = snd_seq_addr
 */

#define SNDRV_SEQ_EVENT_CLIENT_START	60	
/* new client has connected */

#define SNDRV_SEQ_EVENT_CLIENT_EXIT	61	
/* client has left the system */

#define SNDRV_SEQ_EVENT_CLIENT_CHANGE	62	
/* client status/info has changed */

#define SNDRV_SEQ_EVENT_PORT_START	63	
/* new port was created */

#define SNDRV_SEQ_EVENT_PORT_EXIT	64	
/* port was deleted from system */

#define SNDRV_SEQ_EVENT_PORT_CHANGE	65	
/* port status/info has changed */

/** port connection changes
 * event data type = snd_seq_connect
 */

#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED	66	
/* ports connected */

#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67	
/* ports disconnected */

/* 70-89:  synthesizer events - obsoleted */

/** user-defined events with fixed length
 * event data type = any
 */

#define SNDRV_SEQ_EVENT_USR0		90

#define SNDRV_SEQ_EVENT_USR1		91

#define SNDRV_SEQ_EVENT_USR2		92

#define SNDRV_SEQ_EVENT_USR3		93

#define SNDRV_SEQ_EVENT_USR4		94

#define SNDRV_SEQ_EVENT_USR5		95

#define SNDRV_SEQ_EVENT_USR6		96

#define SNDRV_SEQ_EVENT_USR7		97

#define SNDRV_SEQ_EVENT_USR8		98

#define SNDRV_SEQ_EVENT_USR9		99

/* 100-118: instrument layer - obsoleted */
/* 119-129: reserved */

/* 130-139: variable length events
 * event data type = snd_seq_ev_ext
 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)
 */

#define SNDRV_SEQ_EVENT_SYSEX		130	
/* system exclusive data (variable length) */

#define SNDRV_SEQ_EVENT_BOUNCE		131	
/* error event */
/* 132-134: reserved */

#define SNDRV_SEQ_EVENT_USR_VAR0	135

#define SNDRV_SEQ_EVENT_USR_VAR1	136

#define SNDRV_SEQ_EVENT_USR_VAR2	137

#define SNDRV_SEQ_EVENT_USR_VAR3	138

#define SNDRV_SEQ_EVENT_USR_VAR4	139

/* 150-151: kernel events with quote - DO NOT use in user clients */

#define SNDRV_SEQ_EVENT_KERNEL_ERROR	150

#define SNDRV_SEQ_EVENT_KERNEL_QUOTE	151	
/* obsolete */

/* 152-191: reserved */

/* 192-254: hardware specific events */

/* 255: special event */

#define SNDRV_SEQ_EVENT_NONE		255



typedef unsigned char snd_seq_event_type_t;

/** event address */

struct snd_seq_addr {
	
unsigned char client;	/**< Client number:         0..255, 255 = broadcast to all clients */
	
unsigned char port;	/**< Port within client:    0..255, 255 = broadcast to all ports */
};

/** port connection */

struct snd_seq_connect {
	
struct snd_seq_addr sender;
	
struct snd_seq_addr dest;
};



#define SNDRV_SEQ_ADDRESS_UNKNOWN	253	
/* unknown source */

#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS	254	
/* send event to all subscribed ports */

#define SNDRV_SEQ_ADDRESS_BROADCAST	255	
/* send event to all queues/clients/ports/channels */

#define SNDRV_SEQ_QUEUE_DIRECT		253	
/* direct dispatch */

	/* event mode flag - NOTE: only 8 bits available! */

#define SNDRV_SEQ_TIME_STAMP_TICK	(0<<0) 
/* timestamp in clock ticks */

#define SNDRV_SEQ_TIME_STAMP_REAL	(1<<0) 
/* timestamp in real time */

#define SNDRV_SEQ_TIME_STAMP_MASK	(1<<0)


#define SNDRV_SEQ_TIME_MODE_ABS		(0<<1)	
/* absolute timestamp */

#define SNDRV_SEQ_TIME_MODE_REL		(1<<1)	
/* relative to current time */

#define SNDRV_SEQ_TIME_MODE_MASK	(1<<1)


#define SNDRV_SEQ_EVENT_LENGTH_FIXED	(0<<2)	
/* fixed event size */

#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE	(1<<2)	
/* variable event size */

#define SNDRV_SEQ_EVENT_LENGTH_VARUSR	(2<<2)	
/* variable event size - user memory space */

#define SNDRV_SEQ_EVENT_LENGTH_MASK	(3<<2)


#define SNDRV_SEQ_PRIORITY_NORMAL	(0<<4)	
/* normal priority */

#define SNDRV_SEQ_PRIORITY_HIGH		(1<<4)	
/* event should be processed before others */

#define SNDRV_SEQ_PRIORITY_MASK		(1<<4)


	/* note event */

struct snd_seq_ev_note {
	
unsigned char channel;
	
unsigned char note;
	
unsigned char velocity;
	
unsigned char off_velocity;	/* only for SNDRV_SEQ_EVENT_NOTE */
	
unsigned int duration;		/* only for SNDRV_SEQ_EVENT_NOTE */
};

	/* controller event */

struct snd_seq_ev_ctrl {
	
unsigned char channel;
	


unsigned char unused1, unused2, unused3;	/* pad */
	
unsigned int param;
	
signed int value;
};

	/* generic set of bytes (12x8 bit) */

struct snd_seq_ev_raw8 {
	
unsigned char d[12];	/* 8 bit value */
};

	/* generic set of integers (3x32 bit) */

struct snd_seq_ev_raw32 {
	
unsigned int d[3];	/* 32 bit value */
};

	/* external stored data */

struct snd_seq_ev_ext {
	
unsigned int len;	/* length of data */
	
void *ptr;		/* pointer to data (note: maybe 64-bit) */
} __attribute__((packed));


struct snd_seq_result {
	
int event;		/* processed event type */
	
int result;
};



struct snd_seq_real_time {
	
unsigned int tv_sec;	/* seconds */
	
unsigned int tv_nsec;	/* nanoseconds */
};


typedef unsigned int snd_seq_tick_time_t;	
/* midi ticks */


union snd_seq_timestamp {
	
snd_seq_tick_time_t tick;
	
struct snd_seq_real_time time;
};


struct snd_seq_queue_skew {
	
unsigned int value;
	
unsigned int base;
};

	/* queue timer control */

struct snd_seq_ev_queue_control {
	
unsigned char queue;			/* affected queue */
	
unsigned char pad[3];			/* reserved */
	union {
		
signed int value;		/* affected value (e.g. tempo) */
		
union snd_seq_timestamp time;	/* time */
		
unsigned int position;		/* sync position */
		
struct snd_seq_queue_skew skew;
		
unsigned int d32[2];
		
unsigned char d8[8];
	
} param;
};

	/* quoted event - inside the kernel only */

struct snd_seq_ev_quote {
	
struct snd_seq_addr origin;		/* original sender */
	
unsigned short value;		/* optional data */
	
struct snd_seq_event *event;		/* quoted event */
} __attribute__((packed));


	/* sequencer event */

struct snd_seq_event {
	
snd_seq_event_type_t type;	/* event type */
	
unsigned char flags;		/* event flags */
	
char tag;
	
	
unsigned char queue;		/* schedule queue */
	
union snd_seq_timestamp time;	/* schedule time */


	
struct snd_seq_addr source;	/* source address */
	
struct snd_seq_addr dest;	/* destination address */

	union {				/* event data... */
		
struct snd_seq_ev_note note;
		
struct snd_seq_ev_ctrl control;
		
struct snd_seq_ev_raw8 raw8;
		
struct snd_seq_ev_raw32 raw32;
		
struct snd_seq_ev_ext ext;
		
struct snd_seq_ev_queue_control queue;
		
union snd_seq_timestamp time;
		
struct snd_seq_addr addr;
		
struct snd_seq_connect connect;
		
struct snd_seq_result result;
		
struct snd_seq_ev_quote quote;
	
} data;
};


/*
 * bounce event - stored as variable size data
 */

struct snd_seq_event_bounce {
	
int err;
	
struct snd_seq_event event;
	/* external data follows here. */
};


	/* system information */

struct snd_seq_system_info {
	
int queues;			/* maximum queues count */
	
int clients;			/* maximum clients count */
	
int ports;			/* maximum ports per client */
	
int channels;			/* maximum channels per port */
	
int cur_clients;		/* current clients */
	
int cur_queues;			/* current queues */
	
char reserved[24];
};


	/* system running information */

struct snd_seq_running_info {
	
unsigned char client;		/* client id */
	
unsigned char big_endian;	/* 1 = big-endian */
	
unsigned char cpu_mode;		/* 4 = 32bit, 8 = 64bit */
	
unsigned char pad;		/* reserved */
	
unsigned char reserved[12];
};


	/* known client numbers */

#define SNDRV_SEQ_CLIENT_SYSTEM		0
	/* internal client numbers */

#define SNDRV_SEQ_CLIENT_DUMMY		14	
/* midi through */

#define SNDRV_SEQ_CLIENT_OSS		15	
/* oss sequencer emulator */


	/* client types */

typedef int __bitwise snd_seq_client_type_t;

#define	NO_CLIENT	((__force snd_seq_client_type_t) 0)

#define	USER_CLIENT	((__force snd_seq_client_type_t) 1)

#define	KERNEL_CLIENT	((__force snd_seq_client_type_t) 2)
                        
	/* event filter flags */

#define SNDRV_SEQ_FILTER_BROADCAST	(1<<0)	
/* accept broadcast messages */

#define SNDRV_SEQ_FILTER_MULTICAST	(1<<1)	
/* accept multicast messages */

#define SNDRV_SEQ_FILTER_BOUNCE		(1<<2)	
/* accept bounce event in error */

#define SNDRV_SEQ_FILTER_USE_EVENT	(1<<31)	
/* use event filter */


struct snd_seq_client_info {
	
int client;			/* client number to inquire */
	
snd_seq_client_type_t type;	/* client type */
	
char name[64];			/* client name */
	
unsigned int filter;		/* filter flags */
	
unsigned char multicast_filter[8]; /* multicast filter bitmap */
	
unsigned char event_filter[32];	/* event filter bitmap */
	
int num_ports;			/* RO: number of ports */
	
int event_lost;			/* number of lost events */
	
int card;			/* RO: card number[kernel] */
	
int pid;			/* RO: pid[user] */
	
char reserved[56];		/* for future use */
};


/* client pool size */

struct snd_seq_client_pool {
	
int client;			/* client number to inquire */
	
int output_pool;		/* outgoing (write) pool size */
	
int input_pool;			/* incoming (read) pool size */
	
int output_room;		/* minimum free pool size for select/blocking mode */
	
int output_free;		/* unused size */
	
int input_free;			/* unused size */
	
char reserved[64];
};


/* Remove events by specified criteria */


#define SNDRV_SEQ_REMOVE_INPUT		(1<<0)	
/* Flush input queues */

#define SNDRV_SEQ_REMOVE_OUTPUT		(1<<1)	
/* Flush output queues */

#define SNDRV_SEQ_REMOVE_DEST		(1<<2)	
/* Restrict by destination q:client:port */

#define SNDRV_SEQ_REMOVE_DEST_CHANNEL	(1<<3)	
/* Restrict by channel */

#define SNDRV_SEQ_REMOVE_TIME_BEFORE	(1<<4)	
/* Restrict to before time */

#define SNDRV_SEQ_REMOVE_TIME_AFTER	(1<<5)	
/* Restrict to time or after */

#define SNDRV_SEQ_REMOVE_TIME_TICK	(1<<6)	
/* Time is in ticks */

#define SNDRV_SEQ_REMOVE_EVENT_TYPE	(1<<7)	
/* Restrict to event type */

#define SNDRV_SEQ_REMOVE_IGNORE_OFF 	(1<<8)	
/* Do not flush off events */

#define SNDRV_SEQ_REMOVE_TAG_MATCH 	(1<<9)	
/* Restrict to events with given tag */


struct snd_seq_remove_events {
	
unsigned int  remove_mode;	/* Flags that determine what gets removed */

	
union snd_seq_timestamp time;

	
unsigned char queue;	/* Queue for REMOVE_DEST */
	
struct snd_seq_addr dest;	/* Address for REMOVE_DEST */
	
unsigned char channel;	/* Channel for REMOVE_DEST */

	
int  type;	/* For REMOVE_EVENT_TYPE */
	
char  tag;	/* Tag for REMOVE_TAG */

	
int  reserved[10];	/* To allow for future binary compatibility */

};


	/* known port numbers */

#define SNDRV_SEQ_PORT_SYSTEM_TIMER	0

#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE	1

	/* port capabilities (32 bits) */

#define SNDRV_SEQ_PORT_CAP_READ		(1<<0)	
/* readable from this port */

#define SNDRV_SEQ_PORT_CAP_WRITE	(1<<1)	
/* writable to this port */


#define SNDRV_SEQ_PORT_CAP_SYNC_READ	(1<<2)

#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE	(1<<3)


#define SNDRV_SEQ_PORT_CAP_DUPLEX	(1<<4)


#define SNDRV_SEQ_PORT_CAP_SUBS_READ	(1<<5)	
/* allow read subscription */

#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE	(1<<6)	
/* allow write subscription */

#define SNDRV_SEQ_PORT_CAP_NO_EXPORT	(1<<7)	
/* routing not allowed */

	/* port type */

#define SNDRV_SEQ_PORT_TYPE_SPECIFIC	(1<<0)	
/* hardware specific */

#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1)	
/* generic MIDI device */

#define SNDRV_SEQ_PORT_TYPE_MIDI_GM	(1<<2)	
/* General MIDI compatible device */

#define SNDRV_SEQ_PORT_TYPE_MIDI_GS	(1<<3)	
/* GS compatible device */

#define SNDRV_SEQ_PORT_TYPE_MIDI_XG	(1<<4)	
/* XG compatible device */

#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32	(1<<5)	
/* MT-32 compatible device */

#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2	(1<<6)	
/* General MIDI 2 compatible device */

/* other standards...*/

#define SNDRV_SEQ_PORT_TYPE_SYNTH	(1<<10)	
/* Synth device (no MIDI compatible - direct wavetable) */

#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)	
/* Sampling device (support sample download) */

#define SNDRV_SEQ_PORT_TYPE_SAMPLE	(1<<12)	
/* Sampling device (sample can be downloaded at any time) */
/*...*/

#define SNDRV_SEQ_PORT_TYPE_HARDWARE	(1<<16)	
/* driver for a hardware device */

#define SNDRV_SEQ_PORT_TYPE_SOFTWARE	(1<<17)	
/* implemented in software */

#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER	(1<<18)	
/* generates sound */

#define SNDRV_SEQ_PORT_TYPE_PORT	(1<<19)	
/* connects to other device(s) */

#define SNDRV_SEQ_PORT_TYPE_APPLICATION	(1<<20)	
/* application (sequencer/editor) */

/* misc. conditioning flags */

#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT	(1<<0)

#define SNDRV_SEQ_PORT_FLG_TIMESTAMP	(1<<1)

#define SNDRV_SEQ_PORT_FLG_TIME_REAL	(1<<2)


struct snd_seq_port_info {
	
struct snd_seq_addr addr;	/* client/port numbers */
	
char name[64];			/* port name */

	
unsigned int capability;	/* port capability bits */
	
unsigned int type;		/* port type bits */
	
int midi_channels;		/* channels per MIDI port */
	
int midi_voices;		/* voices per MIDI port */
	
int synth_voices;		/* voices per SYNTH port */

	
int read_use;			/* R/O: subscribers for output (from this port) */
	
int write_use;			/* R/O: subscribers for input (to this port) */

	
void *kernel;			/* reserved for kernel use (must be NULL) */
	
unsigned int flags;		/* misc. conditioning */
	
unsigned char time_queue;	/* queue # for timestamping */
	
char reserved[59];		/* for future use */
};


/* queue flags */

#define SNDRV_SEQ_QUEUE_FLG_SYNC	(1<<0)	
/* sync enabled */

/* queue information */

struct snd_seq_queue_info {
	
int queue;		/* queue id */

	/*
         *  security settings, only owner of this queue can start/stop timer
         *  etc. if the queue is locked for other clients
         */
	
int owner;		/* client id for owner of the queue */
	
unsigned locked:1;	/* timing queue locked for other queues */
	
char name[64];		/* name of this queue */
	
unsigned int flags;	/* flags */
	
char reserved[60];	/* for future use */

};

/* queue info/status */

struct snd_seq_queue_status {
	
int queue;			/* queue id */
	
int events;			/* read-only - queue size */
	
snd_seq_tick_time_t tick;	/* current tick */
	
struct snd_seq_real_time time;	/* current time */
	
int running;			/* running state of queue */
	
int flags;			/* various flags */
	
char reserved[64];		/* for the future */
};


/* queue tempo */

struct snd_seq_queue_tempo {
	
int queue;			/* sequencer queue */
	
unsigned int tempo;		/* current tempo, us/tick */
	
int ppq;			/* time resolution, ticks/quarter */
	
unsigned int skew_value;	/* queue skew */
	
unsigned int skew_base;		/* queue skew base */
	
char reserved[24];		/* for the future */
};


/* sequencer timer sources */

#define SNDRV_SEQ_TIMER_ALSA		0	
/* ALSA timer */

#define SNDRV_SEQ_TIMER_MIDI_CLOCK	1	
/* Midi Clock (CLOCK event) */

#define SNDRV_SEQ_TIMER_MIDI_TICK	2	
/* Midi Timer Tick (TICK event) */

/* queue timer info */

struct snd_seq_queue_timer {
	
int queue;			/* sequencer queue */
	
int type;			/* source timer type */
	union {
		struct {
			
struct snd_timer_id id;	/* ALSA's timer ID */
			
unsigned int resolution;	/* resolution in Hz */
		
} alsa;
	
} u;
	
char reserved[64];		/* for the future use */
};



struct snd_seq_queue_client {
	
int queue;		/* sequencer queue */
	
int client;		/* sequencer client */
	
int used;		/* queue is used with this client
                                   (must be set for accepting events) */
	/* per client watermarks */
	
char reserved[64];	/* for future use */
};



#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE	(1<<0)	
/* exclusive connection */

#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP	(1<<1)

#define SNDRV_SEQ_PORT_SUBS_TIME_REAL	(1<<2)


struct snd_seq_port_subscribe {
	
struct snd_seq_addr sender;	/* sender address */
	
struct snd_seq_addr dest;	/* destination address */
	
unsigned int voices;		/* number of voices to be allocated (0 = don't care) */
	
unsigned int flags;		/* modes */
	
unsigned char queue;		/* input time-stamp queue (optional) */
	
unsigned char pad[3];		/* reserved */
	
char reserved[64];
};

/* type of query subscription */

#define SNDRV_SEQ_QUERY_SUBS_READ	0

#define SNDRV_SEQ_QUERY_SUBS_WRITE	1


struct snd_seq_query_subs {
	
struct snd_seq_addr root;	/* client/port id to be searched */
	
int type;		/* READ or WRITE */
	
int index;		/* 0..N-1 */
	
int num_subs;		/* R/O: number of subscriptions on this port */
	
struct snd_seq_addr addr;	/* R/O: result */
	
unsigned char queue;	/* R/O: result */
	
unsigned int flags;	/* R/O: result */
	
char reserved[64];	/* for future use */
};


/*
 *  IOCTL commands
 */


#define SNDRV_SEQ_IOCTL_PVERSION	_IOR ('S', 0x00, int)

#define SNDRV_SEQ_IOCTL_CLIENT_ID	_IOR ('S', 0x01, int)

#define SNDRV_SEQ_IOCTL_SYSTEM_INFO	_IOWR('S', 0x02, struct snd_seq_system_info)

#define SNDRV_SEQ_IOCTL_RUNNING_MODE	_IOWR('S', 0x03, struct snd_seq_running_info)


#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO	_IOWR('S', 0x10, struct snd_seq_client_info)

#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO	_IOW ('S', 0x11, struct snd_seq_client_info)


#define SNDRV_SEQ_IOCTL_CREATE_PORT	_IOWR('S', 0x20, struct snd_seq_port_info)

#define SNDRV_SEQ_IOCTL_DELETE_PORT	_IOW ('S', 0x21, struct snd_seq_port_info)

#define SNDRV_SEQ_IOCTL_GET_PORT_INFO	_IOWR('S', 0x22, struct snd_seq_port_info)

#define SNDRV_SEQ_IOCTL_SET_PORT_INFO	_IOW ('S', 0x23, struct snd_seq_port_info)


#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT	_IOW ('S', 0x30, struct snd_seq_port_subscribe)

#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)


#define SNDRV_SEQ_IOCTL_CREATE_QUEUE	_IOWR('S', 0x32, struct snd_seq_queue_info)

#define SNDRV_SEQ_IOCTL_DELETE_QUEUE	_IOW ('S', 0x33, struct snd_seq_queue_info)

#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO	_IOWR('S', 0x34, struct snd_seq_queue_info)

#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO	_IOWR('S', 0x35, struct snd_seq_queue_info)

#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE	_IOWR('S', 0x36, struct snd_seq_queue_info)

#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)

#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO	_IOWR('S', 0x41, struct snd_seq_queue_tempo)

#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO	_IOW ('S', 0x42, struct snd_seq_queue_tempo)

#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER	_IOWR('S', 0x45, struct snd_seq_queue_timer)

#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER	_IOW ('S', 0x46, struct snd_seq_queue_timer)

#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT	_IOWR('S', 0x49, struct snd_seq_queue_client)

#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT	_IOW ('S', 0x4a, struct snd_seq_queue_client)

#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL	_IOWR('S', 0x4b, struct snd_seq_client_pool)

#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL	_IOW ('S', 0x4c, struct snd_seq_client_pool)

#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS	_IOW ('S', 0x4e, struct snd_seq_remove_events)

#define SNDRV_SEQ_IOCTL_QUERY_SUBS	_IOWR('S', 0x4f, struct snd_seq_query_subs)

#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION	_IOWR('S', 0x50, struct snd_seq_port_subscribe)

#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT	_IOWR('S', 0x51, struct snd_seq_client_info)

#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT	_IOWR('S', 0x52, struct snd_seq_port_info)

#endif /* _UAPI__SOUND_ASEQUENCER_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells172999.25%133.33%
Martin Koegler100.57%133.33%
Mikko Rapeli30.17%133.33%
Total1742100.00%3100.00%
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