1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2/* 3 * Main header file for the ALSA sequencer 4 * 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_H 8#define _UAPI__SOUND_ASEQUENCER_H 9 10#include <sound/asound.h> 11 12/** version of the sequencer */ 13#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 3) 14 15/** 16 * definition of sequencer event types 17 */ 18 19/** system messages 20 * event data type = #snd_seq_result 21 */ 22#define SNDRV_SEQ_EVENT_SYSTEM 0 23#define SNDRV_SEQ_EVENT_RESULT 1 24 25/** note messages (channel specific) 26 * event data type = #snd_seq_ev_note 27 */ 28#define SNDRV_SEQ_EVENT_NOTE 5 29#define SNDRV_SEQ_EVENT_NOTEON 6 30#define SNDRV_SEQ_EVENT_NOTEOFF 7 31#define SNDRV_SEQ_EVENT_KEYPRESS 8 32 33/** control messages (channel specific) 34 * event data type = #snd_seq_ev_ctrl 35 */ 36#define SNDRV_SEQ_EVENT_CONTROLLER 10 37#define SNDRV_SEQ_EVENT_PGMCHANGE 11 38#define SNDRV_SEQ_EVENT_CHANPRESS 12 39#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 messages 45 * event data type = #snd_seq_ev_ctrl 46 */ 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 messages 54 * event data type = snd_seq_ev_queue_control 55 */ 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/** others 67 * event data type = none 68 */ 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 messages 74 * event data type = any type 75 */ 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_addr 81 */ 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 changes 90 * event data type = snd_seq_connect 91 */ 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 length 98 * event data type = any 99 */ 100#define SNDRV_SEQ_EVENT_USR0 90 101#define SNDRV_SEQ_EVENT_USR1 91 102#define SNDRV_SEQ_EVENT_USR2 92 103#define SNDRV_SEQ_EVENT_USR3 93 104#define SNDRV_SEQ_EVENT_USR4 94 105#define SNDRV_SEQ_EVENT_USR5 95 106#define SNDRV_SEQ_EVENT_USR6 96 107#define SNDRV_SEQ_EVENT_USR7 97 108#define SNDRV_SEQ_EVENT_USR8 98 109#define SNDRV_SEQ_EVENT_USR9 99 110 111/* 100-118: instrument layer - obsoleted */ 112/* 119-129: reserved */ 113 114/* 130-139: variable length events 115 * event data type = snd_seq_ev_ext 116 * (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 135 122#define SNDRV_SEQ_EVENT_USR_VAR1 136 123#define SNDRV_SEQ_EVENT_USR_VAR2 137 124#define SNDRV_SEQ_EVENT_USR_VAR3 138 125#define SNDRV_SEQ_EVENT_USR_VAR4 139 126 127/* 150-151: kernel events with quote - DO NOT use in user clients */ 128#define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 129#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 255 137 138 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 data 303 */ 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 0 335 /* 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 bitmap 366 * (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 0 421#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 422 423 /* 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/* port direction */ 465#define SNDRV_SEQ_PORT_DIR_UNKNOWN 0 466#define SNDRV_SEQ_PORT_DIR_INPUT 1 467#define SNDRV_SEQ_PORT_DIR_OUTPUT 2 468#define SNDRV_SEQ_PORT_DIR_BIDIRECTION 3 469 470struct snd_seq_port_info { 471 struct snd_seq_addr addr; /* client/port numbers */ 472 char name[64]; /* port name */ 473 474 unsigned int capability; /* port capability bits */ 475 unsigned int type; /* port type bits */ 476 int midi_channels; /* channels per MIDI port */ 477 int midi_voices; /* voices per MIDI port */ 478 int synth_voices; /* voices per SYNTH port */ 479 480 int read_use; /* R/O: subscribers for output (from this port) */ 481 int write_use; /* R/O: subscribers for input (to this port) */ 482 483 void *kernel; /* reserved for kernel use (must be NULL) */ 484 unsigned int flags; /* misc. conditioning */ 485 unsigned char time_queue; /* queue # for timestamping */ 486 unsigned char direction; /* port usage direction (r/w/bidir) */ 487 unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group number */ 488 char reserved[57]; /* for future use */ 489}; 490 491 492/* queue flags */ 493#define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ 494 495/* queue information */ 496struct snd_seq_queue_info { 497 int queue; /* queue id */ 498 499 /* 500 * security settings, only owner of this queue can start/stop timer 501 * etc. if the queue is locked for other clients 502 */ 503 int owner; /* client id for owner of the queue */ 504 unsigned locked:1; /* timing queue locked for other queues */ 505 char name[64]; /* name of this queue */ 506 unsigned int flags; /* flags */ 507 char reserved[60]; /* for future use */ 508 509}; 510 511/* queue info/status */ 512struct snd_seq_queue_status { 513 int queue; /* queue id */ 514 int events; /* read-only - queue size */ 515 snd_seq_tick_time_t tick; /* current tick */ 516 struct snd_seq_real_time time; /* current time */ 517 int running; /* running state of queue */ 518 int flags; /* various flags */ 519 char reserved[64]; /* for the future */ 520}; 521 522 523/* queue tempo */ 524struct snd_seq_queue_tempo { 525 int queue; /* sequencer queue */ 526 unsigned int tempo; /* current tempo, us/tick */ 527 int ppq; /* time resolution, ticks/quarter */ 528 unsigned int skew_value; /* queue skew */ 529 unsigned int skew_base; /* queue skew base */ 530 char reserved[24]; /* for the future */ 531}; 532 533 534/* sequencer timer sources */ 535#define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ 536#define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ 537#define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ 538 539/* queue timer info */ 540struct snd_seq_queue_timer { 541 int queue; /* sequencer queue */ 542 int type; /* source timer type */ 543 union { 544 struct { 545 struct snd_timer_id id; /* ALSA's timer ID */ 546 unsigned int resolution; /* resolution in Hz */ 547 } alsa; 548 } u; 549 char reserved[64]; /* for the future use */ 550}; 551 552 553struct snd_seq_queue_client { 554 int queue; /* sequencer queue */ 555 int client; /* sequencer client */ 556 int used; /* queue is used with this client 557 (must be set for accepting events) */ 558 /* per client watermarks */ 559 char reserved[64]; /* for future use */ 560}; 561 562 563#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ 564#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) 565#define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) 566 567struct snd_seq_port_subscribe { 568 struct snd_seq_addr sender; /* sender address */ 569 struct snd_seq_addr dest; /* destination address */ 570 unsigned int voices; /* number of voices to be allocated (0 = don't care) */ 571 unsigned int flags; /* modes */ 572 unsigned char queue; /* input time-stamp queue (optional) */ 573 unsigned char pad[3]; /* reserved */ 574 char reserved[64]; 575}; 576 577/* type of query subscription */ 578#define SNDRV_SEQ_QUERY_SUBS_READ 0 579#define SNDRV_SEQ_QUERY_SUBS_WRITE 1 580 581struct snd_seq_query_subs { 582 struct snd_seq_addr root; /* client/port id to be searched */ 583 int type; /* READ or WRITE */ 584 int index; /* 0..N-1 */ 585 int num_subs; /* R/O: number of subscriptions on this port */ 586 struct snd_seq_addr addr; /* R/O: result */ 587 unsigned char queue; /* R/O: result */ 588 unsigned int flags; /* R/O: result */ 589 char reserved[64]; /* for future use */ 590}; 591 592/* 593 * UMP-specific information 594 */ 595/* type of UMP info query */ 596#define SNDRV_SEQ_CLIENT_UMP_INFO_ENDPOINT 0 597#define SNDRV_SEQ_CLIENT_UMP_INFO_BLOCK 1 598 599struct snd_seq_client_ump_info { 600 int client; /* client number to inquire/set */ 601 int type; /* type to inquire/set */ 602 unsigned char info[512]; /* info (either UMP ep or block info) */ 603} __packed; 604 605/* 606 * IOCTL commands 607 */ 608 609#define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) 610#define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) 611#define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) 612#define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) 613#define SNDRV_SEQ_IOCTL_USER_PVERSION _IOW('S', 0x04, int) 614 615#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) 616#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) 617#define SNDRV_SEQ_IOCTL_GET_CLIENT_UMP_INFO _IOWR('S', 0x12, struct snd_seq_client_ump_info) 618#define SNDRV_SEQ_IOCTL_SET_CLIENT_UMP_INFO _IOWR('S', 0x13, struct snd_seq_client_ump_info) 619 620#define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) 621#define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) 622#define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) 623#define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) 624 625#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) 626#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) 627 628#define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) 629#define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) 630#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) 631#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) 632#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) 633#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) 634#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) 635#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) 636#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) 637#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) 638#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) 639#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) 640#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) 641#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) 642#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) 643#define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) 644#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) 645#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) 646#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) 647 648#endif /* _UAPI__SOUND_ASEQUENCER_H */ 649