1 /* 2 * Main header file for the ALSA sequencer 3 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> 4 * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> 5 * 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 */ 22 #ifndef _UAPI__SOUND_ASEQUENCER_H 23 #define _UAPI__SOUND_ASEQUENCER_H 24 25 #include <sound/asound.h> 26 27 /** version of the sequencer */ 28 #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2) 29 30 /** 31 * definition of sequencer event types 32 */ 33 34 /** system messages 35 * event data type = #snd_seq_result 36 */ 37 #define SNDRV_SEQ_EVENT_SYSTEM 0 38 #define SNDRV_SEQ_EVENT_RESULT 1 39 40 /** note messages (channel specific) 41 * event data type = #snd_seq_ev_note 42 */ 43 #define SNDRV_SEQ_EVENT_NOTE 5 44 #define SNDRV_SEQ_EVENT_NOTEON 6 45 #define SNDRV_SEQ_EVENT_NOTEOFF 7 46 #define SNDRV_SEQ_EVENT_KEYPRESS 8 47 48 /** control messages (channel specific) 49 * event data type = #snd_seq_ev_ctrl 50 */ 51 #define SNDRV_SEQ_EVENT_CONTROLLER 10 52 #define SNDRV_SEQ_EVENT_PGMCHANGE 11 53 #define SNDRV_SEQ_EVENT_CHANPRESS 12 54 #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ 55 #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ 56 #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ 57 #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ 58 59 /** synchronisation messages 60 * event data type = #snd_seq_ev_ctrl 61 */ 62 #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ 63 #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ 64 #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ 65 #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ 66 #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ 67 68 /** timer messages 69 * event data type = snd_seq_ev_queue_control 70 */ 71 #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ 72 #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ 73 #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ 74 #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ 75 #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ 76 #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ 77 #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ 78 #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ 79 #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ 80 81 /** others 82 * event data type = none 83 */ 84 #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ 85 #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ 86 #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ 87 88 /** echo back, kernel private messages 89 * event data type = any type 90 */ 91 #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ 92 #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ 93 94 /** system status messages (broadcast for subscribers) 95 * event data type = snd_seq_addr 96 */ 97 #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ 98 #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ 99 #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ 100 #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ 101 #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ 102 #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ 103 104 /** port connection changes 105 * event data type = snd_seq_connect 106 */ 107 #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ 108 #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ 109 110 /* 70-89: synthesizer events - obsoleted */ 111 112 /** user-defined events with fixed length 113 * event data type = any 114 */ 115 #define SNDRV_SEQ_EVENT_USR0 90 116 #define SNDRV_SEQ_EVENT_USR1 91 117 #define SNDRV_SEQ_EVENT_USR2 92 118 #define SNDRV_SEQ_EVENT_USR3 93 119 #define SNDRV_SEQ_EVENT_USR4 94 120 #define SNDRV_SEQ_EVENT_USR5 95 121 #define SNDRV_SEQ_EVENT_USR6 96 122 #define SNDRV_SEQ_EVENT_USR7 97 123 #define SNDRV_SEQ_EVENT_USR8 98 124 #define SNDRV_SEQ_EVENT_USR9 99 125 126 /* 100-118: instrument layer - obsoleted */ 127 /* 119-129: reserved */ 128 129 /* 130-139: variable length events 130 * event data type = snd_seq_ev_ext 131 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) 132 */ 133 #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ 134 #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ 135 /* 132-134: reserved */ 136 #define SNDRV_SEQ_EVENT_USR_VAR0 135 137 #define SNDRV_SEQ_EVENT_USR_VAR1 136 138 #define SNDRV_SEQ_EVENT_USR_VAR2 137 139 #define SNDRV_SEQ_EVENT_USR_VAR3 138 140 #define SNDRV_SEQ_EVENT_USR_VAR4 139 141 142 /* 150-151: kernel events with quote - DO NOT use in user clients */ 143 #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 144 #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ 145 146 /* 152-191: reserved */ 147 148 /* 192-254: hardware specific events */ 149 150 /* 255: special event */ 151 #define SNDRV_SEQ_EVENT_NONE 255 152 153 154 typedef unsigned char snd_seq_event_type_t; 155 156 /** event address */ 157 struct snd_seq_addr { 158 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ 159 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ 160 }; 161 162 /** port connection */ 163 struct snd_seq_connect { 164 struct snd_seq_addr sender; 165 struct snd_seq_addr dest; 166 }; 167 168 169 #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ 170 #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ 171 #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ 172 #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ 173 174 /* event mode flag - NOTE: only 8 bits available! */ 175 #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ 176 #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ 177 #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) 178 179 #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ 180 #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ 181 #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) 182 183 #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ 184 #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ 185 #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ 186 #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) 187 188 #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ 189 #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ 190 #define SNDRV_SEQ_PRIORITY_MASK (1<<4) 191 192 193 /* note event */ 194 struct snd_seq_ev_note { 195 unsigned char channel; 196 unsigned char note; 197 unsigned char velocity; 198 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ 199 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ 200 }; 201 202 /* controller event */ 203 struct snd_seq_ev_ctrl { 204 unsigned char channel; 205 unsigned char unused1, unused2, unused3; /* pad */ 206 unsigned int param; 207 signed int value; 208 }; 209 210 /* generic set of bytes (12x8 bit) */ 211 struct snd_seq_ev_raw8 { 212 unsigned char d[12]; /* 8 bit value */ 213 }; 214 215 /* generic set of integers (3x32 bit) */ 216 struct snd_seq_ev_raw32 { 217 unsigned int d[3]; /* 32 bit value */ 218 }; 219 220 /* external stored data */ 221 struct snd_seq_ev_ext { 222 unsigned int len; /* length of data */ 223 void *ptr; /* pointer to data (note: maybe 64-bit) */ 224 } __attribute__((packed)); 225 226 struct snd_seq_result { 227 int event; /* processed event type */ 228 int result; 229 }; 230 231 232 struct snd_seq_real_time { 233 unsigned int tv_sec; /* seconds */ 234 unsigned int tv_nsec; /* nanoseconds */ 235 }; 236 237 typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ 238 239 union snd_seq_timestamp { 240 snd_seq_tick_time_t tick; 241 struct snd_seq_real_time time; 242 }; 243 244 struct snd_seq_queue_skew { 245 unsigned int value; 246 unsigned int base; 247 }; 248 249 /* queue timer control */ 250 struct snd_seq_ev_queue_control { 251 unsigned char queue; /* affected queue */ 252 unsigned char pad[3]; /* reserved */ 253 union { 254 signed int value; /* affected value (e.g. tempo) */ 255 union snd_seq_timestamp time; /* time */ 256 unsigned int position; /* sync position */ 257 struct snd_seq_queue_skew skew; 258 unsigned int d32[2]; 259 unsigned char d8[8]; 260 } param; 261 }; 262 263 /* quoted event - inside the kernel only */ 264 struct snd_seq_ev_quote { 265 struct snd_seq_addr origin; /* original sender */ 266 unsigned short value; /* optional data */ 267 struct snd_seq_event *event; /* quoted event */ 268 } __attribute__((packed)); 269 270 271 /* sequencer event */ 272 struct snd_seq_event { 273 snd_seq_event_type_t type; /* event type */ 274 unsigned char flags; /* event flags */ 275 char tag; 276 277 unsigned char queue; /* schedule queue */ 278 union snd_seq_timestamp time; /* schedule time */ 279 280 281 struct snd_seq_addr source; /* source address */ 282 struct snd_seq_addr dest; /* destination address */ 283 284 union { /* event data... */ 285 struct snd_seq_ev_note note; 286 struct snd_seq_ev_ctrl control; 287 struct snd_seq_ev_raw8 raw8; 288 struct snd_seq_ev_raw32 raw32; 289 struct snd_seq_ev_ext ext; 290 struct snd_seq_ev_queue_control queue; 291 union snd_seq_timestamp time; 292 struct snd_seq_addr addr; 293 struct snd_seq_connect connect; 294 struct snd_seq_result result; 295 struct snd_seq_ev_quote quote; 296 } data; 297 }; 298 299 300 /* 301 * bounce event - stored as variable size data 302 */ 303 struct snd_seq_event_bounce { 304 int err; 305 struct snd_seq_event event; 306 /* external data follows here. */ 307 }; 308 309 310 /* system information */ 311 struct snd_seq_system_info { 312 int queues; /* maximum queues count */ 313 int clients; /* maximum clients count */ 314 int ports; /* maximum ports per client */ 315 int channels; /* maximum channels per port */ 316 int cur_clients; /* current clients */ 317 int cur_queues; /* current queues */ 318 char reserved[24]; 319 }; 320 321 322 /* system running information */ 323 struct snd_seq_running_info { 324 unsigned char client; /* client id */ 325 unsigned char big_endian; /* 1 = big-endian */ 326 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ 327 unsigned char pad; /* reserved */ 328 unsigned char reserved[12]; 329 }; 330 331 332 /* known client numbers */ 333 #define SNDRV_SEQ_CLIENT_SYSTEM 0 334 /* internal client numbers */ 335 #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ 336 #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ 337 338 339 /* client types */ 340 typedef int __bitwise snd_seq_client_type_t; 341 #define NO_CLIENT ((__force snd_seq_client_type_t) 0) 342 #define USER_CLIENT ((__force snd_seq_client_type_t) 1) 343 #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2) 344 345 /* event filter flags */ 346 #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ 347 #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ 348 #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ 349 #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ 350 351 struct snd_seq_client_info { 352 int client; /* client number to inquire */ 353 snd_seq_client_type_t type; /* client type */ 354 char name[64]; /* client name */ 355 unsigned int filter; /* filter flags */ 356 unsigned char multicast_filter[8]; /* multicast filter bitmap */ 357 unsigned char event_filter[32]; /* event filter bitmap */ 358 int num_ports; /* RO: number of ports */ 359 int event_lost; /* number of lost events */ 360 int card; /* RO: card number[kernel] */ 361 int pid; /* RO: pid[user] */ 362 char reserved[56]; /* for future use */ 363 }; 364 365 366 /* client pool size */ 367 struct snd_seq_client_pool { 368 int client; /* client number to inquire */ 369 int output_pool; /* outgoing (write) pool size */ 370 int input_pool; /* incoming (read) pool size */ 371 int output_room; /* minimum free pool size for select/blocking mode */ 372 int output_free; /* unused size */ 373 int input_free; /* unused size */ 374 char reserved[64]; 375 }; 376 377 378 /* Remove events by specified criteria */ 379 380 #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ 381 #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ 382 #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ 383 #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ 384 #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ 385 #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ 386 #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ 387 #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ 388 #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ 389 #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ 390 391 struct snd_seq_remove_events { 392 unsigned int remove_mode; /* Flags that determine what gets removed */ 393 394 union snd_seq_timestamp time; 395 396 unsigned char queue; /* Queue for REMOVE_DEST */ 397 struct snd_seq_addr dest; /* Address for REMOVE_DEST */ 398 unsigned char channel; /* Channel for REMOVE_DEST */ 399 400 int type; /* For REMOVE_EVENT_TYPE */ 401 char tag; /* Tag for REMOVE_TAG */ 402 403 int reserved[10]; /* To allow for future binary compatibility */ 404 405 }; 406 407 408 /* known port numbers */ 409 #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 410 #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 411 412 /* port capabilities (32 bits) */ 413 #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ 414 #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ 415 416 #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) 417 #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) 418 419 #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) 420 421 #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ 422 #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ 423 #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ 424 425 /* port type */ 426 #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ 427 #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ 428 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ 429 #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ 430 #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ 431 #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ 432 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ 433 434 /* other standards...*/ 435 #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ 436 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ 437 #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ 438 /*...*/ 439 #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ 440 #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ 441 #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ 442 #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ 443 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ 444 445 /* misc. conditioning flags */ 446 #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) 447 #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) 448 #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) 449 450 struct snd_seq_port_info { 451 struct snd_seq_addr addr; /* client/port numbers */ 452 char name[64]; /* port name */ 453 454 unsigned int capability; /* port capability bits */ 455 unsigned int type; /* port type bits */ 456 int midi_channels; /* channels per MIDI port */ 457 int midi_voices; /* voices per MIDI port */ 458 int synth_voices; /* voices per SYNTH port */ 459 460 int read_use; /* R/O: subscribers for output (from this port) */ 461 int write_use; /* R/O: subscribers for input (to this port) */ 462 463 void *kernel; /* reserved for kernel use (must be NULL) */ 464 unsigned int flags; /* misc. conditioning */ 465 unsigned char time_queue; /* queue # for timestamping */ 466 char reserved[59]; /* for future use */ 467 }; 468 469 470 /* queue flags */ 471 #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ 472 473 /* queue information */ 474 struct snd_seq_queue_info { 475 int queue; /* queue id */ 476 477 /* 478 * security settings, only owner of this queue can start/stop timer 479 * etc. if the queue is locked for other clients 480 */ 481 int owner; /* client id for owner of the queue */ 482 unsigned locked:1; /* timing queue locked for other queues */ 483 char name[64]; /* name of this queue */ 484 unsigned int flags; /* flags */ 485 char reserved[60]; /* for future use */ 486 487 }; 488 489 /* queue info/status */ 490 struct snd_seq_queue_status { 491 int queue; /* queue id */ 492 int events; /* read-only - queue size */ 493 snd_seq_tick_time_t tick; /* current tick */ 494 struct snd_seq_real_time time; /* current time */ 495 int running; /* running state of queue */ 496 int flags; /* various flags */ 497 char reserved[64]; /* for the future */ 498 }; 499 500 501 /* queue tempo */ 502 struct snd_seq_queue_tempo { 503 int queue; /* sequencer queue */ 504 unsigned int tempo; /* current tempo, us/tick */ 505 int ppq; /* time resolution, ticks/quarter */ 506 unsigned int skew_value; /* queue skew */ 507 unsigned int skew_base; /* queue skew base */ 508 char reserved[24]; /* for the future */ 509 }; 510 511 512 /* sequencer timer sources */ 513 #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ 514 #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ 515 #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ 516 517 /* queue timer info */ 518 struct snd_seq_queue_timer { 519 int queue; /* sequencer queue */ 520 int type; /* source timer type */ 521 union { 522 struct { 523 struct snd_timer_id id; /* ALSA's timer ID */ 524 unsigned int resolution; /* resolution in Hz */ 525 } alsa; 526 } u; 527 char reserved[64]; /* for the future use */ 528 }; 529 530 531 struct snd_seq_queue_client { 532 int queue; /* sequencer queue */ 533 int client; /* sequencer client */ 534 int used; /* queue is used with this client 535 (must be set for accepting events) */ 536 /* per client watermarks */ 537 char reserved[64]; /* for future use */ 538 }; 539 540 541 #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ 542 #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) 543 #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) 544 545 struct snd_seq_port_subscribe { 546 struct snd_seq_addr sender; /* sender address */ 547 struct snd_seq_addr dest; /* destination address */ 548 unsigned int voices; /* number of voices to be allocated (0 = don't care) */ 549 unsigned int flags; /* modes */ 550 unsigned char queue; /* input time-stamp queue (optional) */ 551 unsigned char pad[3]; /* reserved */ 552 char reserved[64]; 553 }; 554 555 /* type of query subscription */ 556 #define SNDRV_SEQ_QUERY_SUBS_READ 0 557 #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 558 559 struct snd_seq_query_subs { 560 struct snd_seq_addr root; /* client/port id to be searched */ 561 int type; /* READ or WRITE */ 562 int index; /* 0..N-1 */ 563 int num_subs; /* R/O: number of subscriptions on this port */ 564 struct snd_seq_addr addr; /* R/O: result */ 565 unsigned char queue; /* R/O: result */ 566 unsigned int flags; /* R/O: result */ 567 char reserved[64]; /* for future use */ 568 }; 569 570 571 /* 572 * IOCTL commands 573 */ 574 575 #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) 576 #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) 577 #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) 578 #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) 579 580 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) 581 #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) 582 583 #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) 584 #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) 585 #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) 586 #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) 587 588 #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) 589 #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) 590 591 #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) 592 #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) 593 #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) 594 #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) 595 #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) 596 #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) 597 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) 598 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) 599 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) 600 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) 601 #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) 602 #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) 603 #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) 604 #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) 605 #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) 606 #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) 607 #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) 608 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) 609 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) 610 611 #endif /* _UAPI__SOUND_ASEQUENCER_H */ 612