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, 2) 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) 176 177 178 /* note event */ 179 struct snd_seq_ev_note { 180 unsigned char channel; 181 unsigned char note; 182 unsigned char velocity; 183 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ 184 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ 185 }; 186 187 /* controller event */ 188 struct snd_seq_ev_ctrl { 189 unsigned char channel; 190 unsigned char unused1, unused2, unused3; /* pad */ 191 unsigned int param; 192 signed int value; 193 }; 194 195 /* generic set of bytes (12x8 bit) */ 196 struct snd_seq_ev_raw8 { 197 unsigned char d[12]; /* 8 bit value */ 198 }; 199 200 /* generic set of integers (3x32 bit) */ 201 struct snd_seq_ev_raw32 { 202 unsigned int d[3]; /* 32 bit value */ 203 }; 204 205 /* external stored data */ 206 struct snd_seq_ev_ext { 207 unsigned int len; /* length of data */ 208 void *ptr; /* pointer to data (note: maybe 64-bit) */ 209 } __attribute__((packed)); 210 211 struct snd_seq_result { 212 int event; /* processed event type */ 213 int result; 214 }; 215 216 217 struct snd_seq_real_time { 218 unsigned int tv_sec; /* seconds */ 219 unsigned int tv_nsec; /* nanoseconds */ 220 }; 221 222 typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ 223 224 union snd_seq_timestamp { 225 snd_seq_tick_time_t tick; 226 struct snd_seq_real_time time; 227 }; 228 229 struct snd_seq_queue_skew { 230 unsigned int value; 231 unsigned int base; 232 }; 233 234 /* queue timer control */ 235 struct snd_seq_ev_queue_control { 236 unsigned char queue; /* affected queue */ 237 unsigned char pad[3]; /* reserved */ 238 union { 239 signed int value; /* affected value (e.g. tempo) */ 240 union snd_seq_timestamp time; /* time */ 241 unsigned int position; /* sync position */ 242 struct snd_seq_queue_skew skew; 243 unsigned int d32[2]; 244 unsigned char d8[8]; 245 } param; 246 }; 247 248 /* quoted event - inside the kernel only */ 249 struct snd_seq_ev_quote { 250 struct snd_seq_addr origin; /* original sender */ 251 unsigned short value; /* optional data */ 252 struct snd_seq_event *event; /* quoted event */ 253 } __attribute__((packed)); 254 255 256 /* sequencer event */ 257 struct snd_seq_event { 258 snd_seq_event_type_t type; /* event type */ 259 unsigned char flags; /* event flags */ 260 char tag; 261 262 unsigned char queue; /* schedule queue */ 263 union snd_seq_timestamp time; /* schedule time */ 264 265 266 struct snd_seq_addr source; /* source address */ 267 struct snd_seq_addr dest; /* destination address */ 268 269 union { /* event data... */ 270 struct snd_seq_ev_note note; 271 struct snd_seq_ev_ctrl control; 272 struct snd_seq_ev_raw8 raw8; 273 struct snd_seq_ev_raw32 raw32; 274 struct snd_seq_ev_ext ext; 275 struct snd_seq_ev_queue_control queue; 276 union snd_seq_timestamp time; 277 struct snd_seq_addr addr; 278 struct snd_seq_connect connect; 279 struct snd_seq_result result; 280 struct snd_seq_ev_quote quote; 281 } data; 282 }; 283 284 285 /* 286 * bounce event - stored as variable size data 287 */ 288 struct snd_seq_event_bounce { 289 int err; 290 struct snd_seq_event event; 291 /* external data follows here. */ 292 }; 293 294 295 /* system information */ 296 struct snd_seq_system_info { 297 int queues; /* maximum queues count */ 298 int clients; /* maximum clients count */ 299 int ports; /* maximum ports per client */ 300 int channels; /* maximum channels per port */ 301 int cur_clients; /* current clients */ 302 int cur_queues; /* current queues */ 303 char reserved[24]; 304 }; 305 306 307 /* system running information */ 308 struct snd_seq_running_info { 309 unsigned char client; /* client id */ 310 unsigned char big_endian; /* 1 = big-endian */ 311 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ 312 unsigned char pad; /* reserved */ 313 unsigned char reserved[12]; 314 }; 315 316 317 /* known client numbers */ 318 #define SNDRV_SEQ_CLIENT_SYSTEM 0 319 /* internal client numbers */ 320 #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ 321 #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ 322 323 324 /* client types */ 325 typedef int __bitwise snd_seq_client_type_t; 326 #define NO_CLIENT ((__force snd_seq_client_type_t) 0) 327 #define USER_CLIENT ((__force snd_seq_client_type_t) 1) 328 #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2) 329 330 /* event filter flags */ 331 #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ 332 #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ 333 #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ 334 #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ 335 336 struct snd_seq_client_info { 337 int client; /* client number to inquire */ 338 snd_seq_client_type_t type; /* client type */ 339 char name[64]; /* client name */ 340 unsigned int filter; /* filter flags */ 341 unsigned char multicast_filter[8]; /* multicast filter bitmap */ 342 unsigned char event_filter[32]; /* event filter bitmap */ 343 int num_ports; /* RO: number of ports */ 344 int event_lost; /* number of lost events */ 345 int card; /* RO: card number[kernel] */ 346 int pid; /* RO: pid[user] */ 347 char reserved[56]; /* for future use */ 348 }; 349 350 351 /* client pool size */ 352 struct snd_seq_client_pool { 353 int client; /* client number to inquire */ 354 int output_pool; /* outgoing (write) pool size */ 355 int input_pool; /* incoming (read) pool size */ 356 int output_room; /* minimum free pool size for select/blocking mode */ 357 int output_free; /* unused size */ 358 int input_free; /* unused size */ 359 char reserved[64]; 360 }; 361 362 363 /* Remove events by specified criteria */ 364 365 #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ 366 #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ 367 #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ 368 #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ 369 #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ 370 #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ 371 #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ 372 #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ 373 #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ 374 #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ 375 376 struct snd_seq_remove_events { 377 unsigned int remove_mode; /* Flags that determine what gets removed */ 378 379 union snd_seq_timestamp time; 380 381 unsigned char queue; /* Queue for REMOVE_DEST */ 382 struct snd_seq_addr dest; /* Address for REMOVE_DEST */ 383 unsigned char channel; /* Channel for REMOVE_DEST */ 384 385 int type; /* For REMOVE_EVENT_TYPE */ 386 char tag; /* Tag for REMOVE_TAG */ 387 388 int reserved[10]; /* To allow for future binary compatibility */ 389 390 }; 391 392 393 /* known port numbers */ 394 #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 395 #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 396 397 /* port capabilities (32 bits) */ 398 #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ 399 #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ 400 401 #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) 402 #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) 403 404 #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) 405 406 #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ 407 #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ 408 #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ 409 410 /* port type */ 411 #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ 412 #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ 413 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ 414 #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ 415 #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ 416 #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ 417 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ 418 419 /* other standards...*/ 420 #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ 421 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ 422 #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ 423 /*...*/ 424 #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ 425 #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ 426 #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ 427 #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ 428 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ 429 430 /* misc. conditioning flags */ 431 #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) 432 #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) 433 #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) 434 435 struct snd_seq_port_info { 436 struct snd_seq_addr addr; /* client/port numbers */ 437 char name[64]; /* port name */ 438 439 unsigned int capability; /* port capability bits */ 440 unsigned int type; /* port type bits */ 441 int midi_channels; /* channels per MIDI port */ 442 int midi_voices; /* voices per MIDI port */ 443 int synth_voices; /* voices per SYNTH port */ 444 445 int read_use; /* R/O: subscribers for output (from this port) */ 446 int write_use; /* R/O: subscribers for input (to this port) */ 447 448 void *kernel; /* reserved for kernel use (must be NULL) */ 449 unsigned int flags; /* misc. conditioning */ 450 unsigned char time_queue; /* queue # for timestamping */ 451 char reserved[59]; /* for future use */ 452 }; 453 454 455 /* queue flags */ 456 #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ 457 458 /* queue information */ 459 struct snd_seq_queue_info { 460 int queue; /* queue id */ 461 462 /* 463 * security settings, only owner of this queue can start/stop timer 464 * etc. if the queue is locked for other clients 465 */ 466 int owner; /* client id for owner of the queue */ 467 unsigned locked:1; /* timing queue locked for other queues */ 468 char name[64]; /* name of this queue */ 469 unsigned int flags; /* flags */ 470 char reserved[60]; /* for future use */ 471 472 }; 473 474 /* queue info/status */ 475 struct snd_seq_queue_status { 476 int queue; /* queue id */ 477 int events; /* read-only - queue size */ 478 snd_seq_tick_time_t tick; /* current tick */ 479 struct snd_seq_real_time time; /* current time */ 480 int running; /* running state of queue */ 481 int flags; /* various flags */ 482 char reserved[64]; /* for the future */ 483 }; 484 485 486 /* queue tempo */ 487 struct snd_seq_queue_tempo { 488 int queue; /* sequencer queue */ 489 unsigned int tempo; /* current tempo, us/tick */ 490 int ppq; /* time resolution, ticks/quarter */ 491 unsigned int skew_value; /* queue skew */ 492 unsigned int skew_base; /* queue skew base */ 493 char reserved[24]; /* for the future */ 494 }; 495 496 497 /* sequencer timer sources */ 498 #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ 499 #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ 500 #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ 501 502 /* queue timer info */ 503 struct snd_seq_queue_timer { 504 int queue; /* sequencer queue */ 505 int type; /* source timer type */ 506 union { 507 struct { 508 struct snd_timer_id id; /* ALSA's timer ID */ 509 unsigned int resolution; /* resolution in Hz */ 510 } alsa; 511 } u; 512 char reserved[64]; /* for the future use */ 513 }; 514 515 516 struct snd_seq_queue_client { 517 int queue; /* sequencer queue */ 518 int client; /* sequencer client */ 519 int used; /* queue is used with this client 520 (must be set for accepting events) */ 521 /* per client watermarks */ 522 char reserved[64]; /* for future use */ 523 }; 524 525 526 #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ 527 #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) 528 #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) 529 530 struct snd_seq_port_subscribe { 531 struct snd_seq_addr sender; /* sender address */ 532 struct snd_seq_addr dest; /* destination address */ 533 unsigned int voices; /* number of voices to be allocated (0 = don't care) */ 534 unsigned int flags; /* modes */ 535 unsigned char queue; /* input time-stamp queue (optional) */ 536 unsigned char pad[3]; /* reserved */ 537 char reserved[64]; 538 }; 539 540 /* type of query subscription */ 541 #define SNDRV_SEQ_QUERY_SUBS_READ 0 542 #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 543 544 struct snd_seq_query_subs { 545 struct snd_seq_addr root; /* client/port id to be searched */ 546 int type; /* READ or WRITE */ 547 int index; /* 0..N-1 */ 548 int num_subs; /* R/O: number of subscriptions on this port */ 549 struct snd_seq_addr addr; /* R/O: result */ 550 unsigned char queue; /* R/O: result */ 551 unsigned int flags; /* R/O: result */ 552 char reserved[64]; /* for future use */ 553 }; 554 555 556 /* 557 * IOCTL commands 558 */ 559 560 #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) 561 #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) 562 #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) 563 #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) 564 565 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) 566 #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) 567 568 #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) 569 #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) 570 #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) 571 #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) 572 573 #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) 574 #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) 575 576 #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) 577 #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) 578 #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) 579 #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) 580 #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) 581 #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) 582 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) 583 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) 584 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) 585 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) 586 #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) 587 #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) 588 #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) 589 #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) 590 #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) 591 #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) 592 #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) 593 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) 594 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) 595 596 #endif /* _UAPI__SOUND_ASEQUENCER_H */ 597