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1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */2/*3 * Main header file for the ALSA sequencer4 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>5 * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz>6 */7#ifndef _UAPI__SOUND_ASEQUENCER_H8#define _UAPI__SOUND_ASEQUENCER_H9 10#include <sound/asound.h>11 12/** version of the sequencer */13#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 4)14 15/**16 * definition of sequencer event types17 */18 19/** system messages20 * event data type = #snd_seq_result21 */22#define SNDRV_SEQ_EVENT_SYSTEM 023#define SNDRV_SEQ_EVENT_RESULT 124 25/** note messages (channel specific)26 * event data type = #snd_seq_ev_note27 */28#define SNDRV_SEQ_EVENT_NOTE 529#define SNDRV_SEQ_EVENT_NOTEON 630#define SNDRV_SEQ_EVENT_NOTEOFF 731#define SNDRV_SEQ_EVENT_KEYPRESS 832 33/** control messages (channel specific)34 * event data type = #snd_seq_ev_ctrl35 */36#define SNDRV_SEQ_EVENT_CONTROLLER 1037#define SNDRV_SEQ_EVENT_PGMCHANGE 1138#define SNDRV_SEQ_EVENT_CHANPRESS 1239#define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */40#define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */41#define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */42#define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */43 44/** synchronisation messages45 * event data type = #snd_seq_ev_ctrl46 */47#define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */48#define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */49#define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */50#define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */51#define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */52 53/** timer messages54 * event data type = snd_seq_ev_queue_control55 */56#define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */57#define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */58#define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ 59#define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */60#define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */61#define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */62#define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */63#define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */64#define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */65 66/** others67 * event data type = none68 */69#define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */70#define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */71#define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */72 73/** echo back, kernel private messages74 * event data type = any type75 */76#define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */77#define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */78 79/** system status messages (broadcast for subscribers)80 * event data type = snd_seq_addr81 */82#define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */83#define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */84#define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */85#define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */86#define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */87#define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */88 89/** port connection changes90 * event data type = snd_seq_connect91 */92#define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */93#define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */94 95/* 70-89: synthesizer events - obsoleted */96 97/** user-defined events with fixed length98 * event data type = any99 */100#define SNDRV_SEQ_EVENT_USR0 90101#define SNDRV_SEQ_EVENT_USR1 91102#define SNDRV_SEQ_EVENT_USR2 92103#define SNDRV_SEQ_EVENT_USR3 93104#define SNDRV_SEQ_EVENT_USR4 94105#define SNDRV_SEQ_EVENT_USR5 95106#define SNDRV_SEQ_EVENT_USR6 96107#define SNDRV_SEQ_EVENT_USR7 97108#define SNDRV_SEQ_EVENT_USR8 98109#define SNDRV_SEQ_EVENT_USR9 99110 111/* 100-118: instrument layer - obsoleted */112/* 119-129: reserved */113 114/* 130-139: variable length events115 * event data type = snd_seq_ev_ext116 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set)117 */118#define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */119#define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */120/* 132-134: reserved */121#define SNDRV_SEQ_EVENT_USR_VAR0 135122#define SNDRV_SEQ_EVENT_USR_VAR1 136123#define SNDRV_SEQ_EVENT_USR_VAR2 137124#define SNDRV_SEQ_EVENT_USR_VAR3 138125#define SNDRV_SEQ_EVENT_USR_VAR4 139126 127/* 150-151: kernel events with quote - DO NOT use in user clients */128#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150129#define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */130 131/* 152-191: reserved */132 133/* 192-254: hardware specific events */134 135/* 255: special event */136#define SNDRV_SEQ_EVENT_NONE 255137 138 139typedef unsigned char snd_seq_event_type_t;140 141/** event address */142struct snd_seq_addr {143 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */144 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */145};146 147/** port connection */148struct snd_seq_connect {149 struct snd_seq_addr sender;150 struct snd_seq_addr dest;151};152 153 154#define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */155#define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */156#define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */157#define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */158 159 /* event mode flag - NOTE: only 8 bits available! */160#define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */161#define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */162#define SNDRV_SEQ_TIME_STAMP_MASK (1<<0)163 164#define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */165#define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */166#define SNDRV_SEQ_TIME_MODE_MASK (1<<1)167 168#define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */169#define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */170#define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */171#define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2)172 173#define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */174#define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */175#define SNDRV_SEQ_PRIORITY_MASK (1<<4)176 177#define SNDRV_SEQ_EVENT_UMP (1<<5) /* event holds a UMP packet */178 179 /* note event */180struct snd_seq_ev_note {181 unsigned char channel;182 unsigned char note;183 unsigned char velocity;184 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */185 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */186};187 188 /* controller event */189struct snd_seq_ev_ctrl {190 unsigned char channel;191 unsigned char unused1, unused2, unused3; /* pad */192 unsigned int param;193 signed int value;194};195 196 /* generic set of bytes (12x8 bit) */197struct snd_seq_ev_raw8 {198 unsigned char d[12]; /* 8 bit value */199};200 201 /* generic set of integers (3x32 bit) */202struct snd_seq_ev_raw32 {203 unsigned int d[3]; /* 32 bit value */204};205 206 /* external stored data */207struct snd_seq_ev_ext {208 unsigned int len; /* length of data */209 void *ptr; /* pointer to data (note: maybe 64-bit) */210} __packed;211 212struct snd_seq_result {213 int event; /* processed event type */214 int result;215};216 217 218struct snd_seq_real_time {219 unsigned int tv_sec; /* seconds */220 unsigned int tv_nsec; /* nanoseconds */221};222 223typedef unsigned int snd_seq_tick_time_t; /* midi ticks */224 225union snd_seq_timestamp {226 snd_seq_tick_time_t tick;227 struct snd_seq_real_time time;228};229 230struct snd_seq_queue_skew {231 unsigned int value;232 unsigned int base;233};234 235 /* queue timer control */236struct snd_seq_ev_queue_control {237 unsigned char queue; /* affected queue */238 unsigned char pad[3]; /* reserved */239 union {240 signed int value; /* affected value (e.g. tempo) */241 union snd_seq_timestamp time; /* time */242 unsigned int position; /* sync position */243 struct snd_seq_queue_skew skew;244 unsigned int d32[2];245 unsigned char d8[8];246 } param;247};248 249 /* quoted event - inside the kernel only */250struct snd_seq_ev_quote {251 struct snd_seq_addr origin; /* original sender */252 unsigned short value; /* optional data */253 struct snd_seq_event *event; /* quoted event */254} __packed;255 256union snd_seq_event_data { /* event data... */257 struct snd_seq_ev_note note;258 struct snd_seq_ev_ctrl control;259 struct snd_seq_ev_raw8 raw8;260 struct snd_seq_ev_raw32 raw32;261 struct snd_seq_ev_ext ext;262 struct snd_seq_ev_queue_control queue;263 union snd_seq_timestamp time;264 struct snd_seq_addr addr;265 struct snd_seq_connect connect;266 struct snd_seq_result result;267 struct snd_seq_ev_quote quote;268};269 270 /* sequencer event */271struct snd_seq_event {272 snd_seq_event_type_t type; /* event type */273 unsigned char flags; /* event flags */274 char tag;275 276 unsigned char queue; /* schedule queue */277 union snd_seq_timestamp time; /* schedule time */278 279 struct snd_seq_addr source; /* source address */280 struct snd_seq_addr dest; /* destination address */281 282 union snd_seq_event_data data;283};284 285 /* (compatible) event for UMP-capable clients */286struct snd_seq_ump_event {287 snd_seq_event_type_t type; /* event type */288 unsigned char flags; /* event flags */289 char tag;290 unsigned char queue; /* schedule queue */291 union snd_seq_timestamp time; /* schedule time */292 struct snd_seq_addr source; /* source address */293 struct snd_seq_addr dest; /* destination address */294 295 union {296 union snd_seq_event_data data;297 unsigned int ump[4];298 };299};300 301/*302 * bounce event - stored as variable size data303 */304struct snd_seq_event_bounce {305 int err;306 struct snd_seq_event event;307 /* external data follows here. */308};309 310 311 /* system information */312struct snd_seq_system_info {313 int queues; /* maximum queues count */314 int clients; /* maximum clients count */315 int ports; /* maximum ports per client */316 int channels; /* maximum channels per port */317 int cur_clients; /* current clients */318 int cur_queues; /* current queues */319 char reserved[24];320};321 322 323 /* system running information */324struct snd_seq_running_info {325 unsigned char client; /* client id */326 unsigned char big_endian; /* 1 = big-endian */327 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */328 unsigned char pad; /* reserved */329 unsigned char reserved[12];330};331 332 333 /* known client numbers */334#define SNDRV_SEQ_CLIENT_SYSTEM 0335 /* internal client numbers */336#define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */337#define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */338 339 340 /* client types */341typedef int __bitwise snd_seq_client_type_t;342#define NO_CLIENT ((__force snd_seq_client_type_t) 0)343#define USER_CLIENT ((__force snd_seq_client_type_t) 1)344#define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2)345 346 /* event filter flags */347#define SNDRV_SEQ_FILTER_BROADCAST (1U<<0) /* accept broadcast messages */348#define SNDRV_SEQ_FILTER_MULTICAST (1U<<1) /* accept multicast messages */349#define SNDRV_SEQ_FILTER_BOUNCE (1U<<2) /* accept bounce event in error */350#define SNDRV_SEQ_FILTER_NO_CONVERT (1U<<30) /* don't convert UMP events */351#define SNDRV_SEQ_FILTER_USE_EVENT (1U<<31) /* use event filter */352 353struct snd_seq_client_info {354 int client; /* client number to inquire */355 snd_seq_client_type_t type; /* client type */356 char name[64]; /* client name */357 unsigned int filter; /* filter flags */358 unsigned char multicast_filter[8]; /* multicast filter bitmap */359 unsigned char event_filter[32]; /* event filter bitmap */360 int num_ports; /* RO: number of ports */361 int event_lost; /* number of lost events */362 int card; /* RO: card number[kernel] */363 int pid; /* RO: pid[user] */364 unsigned int midi_version; /* MIDI version */365 unsigned int group_filter; /* UMP group filter bitmap366 * (bit 0 = groupless messages,367 * bit 1-16 = messages for groups 1-16)368 */369 char reserved[48]; /* for future use */370};371 372/* MIDI version numbers in client info */373#define SNDRV_SEQ_CLIENT_LEGACY_MIDI 0 /* Legacy client */374#define SNDRV_SEQ_CLIENT_UMP_MIDI_1_0 1 /* UMP MIDI 1.0 */375#define SNDRV_SEQ_CLIENT_UMP_MIDI_2_0 2 /* UMP MIDI 2.0 */376 377/* client pool size */378struct snd_seq_client_pool {379 int client; /* client number to inquire */380 int output_pool; /* outgoing (write) pool size */381 int input_pool; /* incoming (read) pool size */382 int output_room; /* minimum free pool size for select/blocking mode */383 int output_free; /* unused size */384 int input_free; /* unused size */385 char reserved[64];386};387 388 389/* Remove events by specified criteria */390 391#define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */392#define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */393#define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */394#define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */395#define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */396#define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */397#define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */398#define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */399#define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */400#define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */401 402struct snd_seq_remove_events {403 unsigned int remove_mode; /* Flags that determine what gets removed */404 405 union snd_seq_timestamp time;406 407 unsigned char queue; /* Queue for REMOVE_DEST */408 struct snd_seq_addr dest; /* Address for REMOVE_DEST */409 unsigned char channel; /* Channel for REMOVE_DEST */410 411 int type; /* For REMOVE_EVENT_TYPE */412 char tag; /* Tag for REMOVE_TAG */413 414 int reserved[10]; /* To allow for future binary compatibility */415 416};417 418 419 /* known port numbers */420#define SNDRV_SEQ_PORT_SYSTEM_TIMER 0421#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1422 423 /* port capabilities (32 bits) */424#define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */425#define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */426 427#define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2)428#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3)429 430#define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4)431 432#define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */433#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */434#define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */435#define SNDRV_SEQ_PORT_CAP_INACTIVE (1<<8) /* inactive port */436#define SNDRV_SEQ_PORT_CAP_UMP_ENDPOINT (1<<9) /* MIDI 2.0 UMP Endpoint port */437 438 /* port type */439#define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */440#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */441#define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */442#define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */443#define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */444#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */445#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */446#define SNDRV_SEQ_PORT_TYPE_MIDI_UMP (1<<7) /* UMP */447 448/* other standards...*/449#define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */450#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */451#define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */452/*...*/453#define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */454#define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */455#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */456#define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */457#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */458 459/* misc. conditioning flags */460#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0)461#define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1)462#define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2)463 464#define SNDRV_SEQ_PORT_FLG_IS_MIDI1 (1<<3) /* Keep MIDI 1.0 protocol */465 466/* port direction */467#define SNDRV_SEQ_PORT_DIR_UNKNOWN 0468#define SNDRV_SEQ_PORT_DIR_INPUT 1469#define SNDRV_SEQ_PORT_DIR_OUTPUT 2470#define SNDRV_SEQ_PORT_DIR_BIDIRECTION 3471 472struct snd_seq_port_info {473 struct snd_seq_addr addr; /* client/port numbers */474 char name[64]; /* port name */475 476 unsigned int capability; /* port capability bits */477 unsigned int type; /* port type bits */478 int midi_channels; /* channels per MIDI port */479 int midi_voices; /* voices per MIDI port */480 int synth_voices; /* voices per SYNTH port */481 482 int read_use; /* R/O: subscribers for output (from this port) */483 int write_use; /* R/O: subscribers for input (to this port) */484 485 void *kernel; /* reserved for kernel use (must be NULL) */486 unsigned int flags; /* misc. conditioning */487 unsigned char time_queue; /* queue # for timestamping */488 unsigned char direction; /* port usage direction (r/w/bidir) */489 unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group number */490 char reserved[57]; /* for future use */491};492 493 494/* queue flags */495#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */496 497/* queue information */498struct snd_seq_queue_info {499 int queue; /* queue id */500 501 /*502 * security settings, only owner of this queue can start/stop timer503 * etc. if the queue is locked for other clients504 */505 int owner; /* client id for owner of the queue */506 unsigned locked:1; /* timing queue locked for other queues */507 char name[64]; /* name of this queue */508 unsigned int flags; /* flags */509 char reserved[60]; /* for future use */510 511};512 513/* queue info/status */514struct snd_seq_queue_status {515 int queue; /* queue id */516 int events; /* read-only - queue size */517 snd_seq_tick_time_t tick; /* current tick */518 struct snd_seq_real_time time; /* current time */519 int running; /* running state of queue */520 int flags; /* various flags */521 char reserved[64]; /* for the future */522};523 524 525/* queue tempo */526struct snd_seq_queue_tempo {527 int queue; /* sequencer queue */528 unsigned int tempo; /* current tempo, us/tick (or different time-base below) */529 int ppq; /* time resolution, ticks/quarter */530 unsigned int skew_value; /* queue skew */531 unsigned int skew_base; /* queue skew base */532 unsigned short tempo_base; /* tempo base in nsec unit; either 10 or 1000 */533 char reserved[22]; /* for the future */534};535 536 537/* sequencer timer sources */538#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */539#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */540#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */541 542/* queue timer info */543struct snd_seq_queue_timer {544 int queue; /* sequencer queue */545 int type; /* source timer type */546 union {547 struct {548 struct snd_timer_id id; /* ALSA's timer ID */549 unsigned int resolution; /* resolution in Hz */550 } alsa;551 } u;552 char reserved[64]; /* for the future use */553};554 555 556struct snd_seq_queue_client {557 int queue; /* sequencer queue */558 int client; /* sequencer client */559 int used; /* queue is used with this client560 (must be set for accepting events) */561 /* per client watermarks */562 char reserved[64]; /* for future use */563};564 565 566#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */567#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1)568#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2)569 570struct snd_seq_port_subscribe {571 struct snd_seq_addr sender; /* sender address */572 struct snd_seq_addr dest; /* destination address */573 unsigned int voices; /* number of voices to be allocated (0 = don't care) */574 unsigned int flags; /* modes */575 unsigned char queue; /* input time-stamp queue (optional) */576 unsigned char pad[3]; /* reserved */577 char reserved[64];578};579 580/* type of query subscription */581#define SNDRV_SEQ_QUERY_SUBS_READ 0582#define SNDRV_SEQ_QUERY_SUBS_WRITE 1583 584struct snd_seq_query_subs {585 struct snd_seq_addr root; /* client/port id to be searched */586 int type; /* READ or WRITE */587 int index; /* 0..N-1 */588 int num_subs; /* R/O: number of subscriptions on this port */589 struct snd_seq_addr addr; /* R/O: result */590 unsigned char queue; /* R/O: result */591 unsigned int flags; /* R/O: result */592 char reserved[64]; /* for future use */593};594 595/*596 * UMP-specific information597 */598/* type of UMP info query */599#define SNDRV_SEQ_CLIENT_UMP_INFO_ENDPOINT 0600#define SNDRV_SEQ_CLIENT_UMP_INFO_BLOCK 1601 602struct snd_seq_client_ump_info {603 int client; /* client number to inquire/set */604 int type; /* type to inquire/set */605 unsigned char info[512]; /* info (either UMP ep or block info) */606} __packed;607 608/*609 * IOCTL commands610 */611 612#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int)613#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int)614#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info)615#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info)616#define SNDRV_SEQ_IOCTL_USER_PVERSION _IOW('S', 0x04, int)617 618#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)619#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)620#define SNDRV_SEQ_IOCTL_GET_CLIENT_UMP_INFO _IOWR('S', 0x12, struct snd_seq_client_ump_info)621#define SNDRV_SEQ_IOCTL_SET_CLIENT_UMP_INFO _IOWR('S', 0x13, struct snd_seq_client_ump_info)622 623#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info)624#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info)625#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info)626#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info)627 628#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe)629#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)630 631#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info)632#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info)633#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info)634#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info)635#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)636#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)637#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)638#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)639#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)640#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)641#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client)642#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client)643#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)644#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)645#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events)646#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs)647#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe)648#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info)649#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)650 651#endif /* _UAPI__SOUND_ASEQUENCER_H */652