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 255 137 138 139 typedef unsigned char snd_seq_event_type_t; 140 141 /** event address */ 142 struct 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 */ 148 struct 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 */ 180 struct 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 */ 189 struct 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) */ 197 struct snd_seq_ev_raw8 { 198 unsigned char d[12]; /* 8 bit value */ 199 }; 200 201 /* generic set of integers (3x32 bit) */ 202 struct snd_seq_ev_raw32 { 203 unsigned int d[3]; /* 32 bit value */ 204 }; 205 206 /* external stored data */ 207 struct snd_seq_ev_ext { 208 unsigned int len; /* length of data */ 209 void *ptr; /* pointer to data (note: maybe 64-bit) */ 210 } __attribute__((packed)); 211 212 struct snd_seq_result { 213 int event; /* processed event type */ 214 int result; 215 }; 216 217 218 struct snd_seq_real_time { 219 unsigned int tv_sec; /* seconds */ 220 unsigned int tv_nsec; /* nanoseconds */ 221 }; 222 223 typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ 224 225 union snd_seq_timestamp { 226 snd_seq_tick_time_t tick; 227 struct snd_seq_real_time time; 228 }; 229 230 struct snd_seq_queue_skew { 231 unsigned int value; 232 unsigned int base; 233 }; 234 235 /* queue timer control */ 236 struct 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 */ 250 struct 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 } __attribute__((packed)); 255 256 union 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 */ 271 struct 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 */ 286 struct 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 */ 304 struct snd_seq_event_bounce { 305 int err; 306 struct snd_seq_event event; 307 /* external data follows here. */ 308 }; 309 310 311 /* system information */ 312 struct 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 */ 324 struct 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 */ 341 typedef 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 */ 352 353 struct 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 */ 378 struct 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 */ 401 402 struct 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 3 469 470 struct 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 */ 496 struct 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 */ 512 struct 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 */ 524 struct 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 */ 540 struct 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 }; 551 552 553 struct 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) 566 567 struct 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 1 580 581 struct 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 1 598 599 struct 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