1 /* 2 * Main header file for the ALSA sequencer 3 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol (at) coil.demon.nl> 4 * (c) 1998-1999 by Jaroslav Kysela <perex (at) 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 __SOUND_ASEQUENCER_H 23 #define __SOUND_ASEQUENCER_H 24 25 26 /** version of the sequencer */ 27 #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) 28 29 /** 30 * definition of sequencer event types 31 */ 32 33 /** system messages 34 * event data type = #snd_seq_result 35 */ 36 #define SNDRV_SEQ_EVENT_SYSTEM 0 37 #define SNDRV_SEQ_EVENT_RESULT 1 38 39 /** note messages (channel specific) 40 * event data type = #snd_seq_ev_note 41 */ 42 #define SNDRV_SEQ_EVENT_NOTE 5 43 #define SNDRV_SEQ_EVENT_NOTEON 6 44 #define SNDRV_SEQ_EVENT_NOTEOFF 7 45 #define SNDRV_SEQ_EVENT_KEYPRESS 8 46 47 /** control messages (channel specific) 48 * event data type = #snd_seq_ev_ctrl 49 */ 50 #define SNDRV_SEQ_EVENT_CONTROLLER 10 51 #define SNDRV_SEQ_EVENT_PGMCHANGE 11 52 #define SNDRV_SEQ_EVENT_CHANPRESS 12 53 #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ 54 #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ 55 #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ 56 #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ 57 58 /** synchronisation messages 59 * event data type = #snd_seq_ev_ctrl 60 */ 61 #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ 62 #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ 63 #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ 64 #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ 65 #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ 66 67 /** timer messages 68 * event data type = snd_seq_ev_queue_control 69 */ 70 #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ 71 #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ 72 #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ 73 #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ 74 #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ 75 #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ 76 #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ 77 #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ 78 #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ 79 80 /** others 81 * event data type = none 82 */ 83 #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ 84 #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ 85 #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ 86 87 /** echo back, kernel private messages 88 * event data type = any type 89 */ 90 #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ 91 #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ 92 93 /** system status messages (broadcast for subscribers) 94 * event data type = snd_seq_addr 95 */ 96 #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ 97 #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ 98 #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ 99 #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ 100 #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ 101 #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ 102 103 /** port connection changes 104 * event data type = snd_seq_connect 105 */ 106 #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ 107 #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ 108 109 /* 70-89: synthesizer events - obsoleted */ 110 111 /** user-defined events with fixed length 112 * event data type = any 113 */ 114 #define SNDRV_SEQ_EVENT_USR0 90 115 #define SNDRV_SEQ_EVENT_USR1 91 116 #define SNDRV_SEQ_EVENT_USR2 92 117 #define SNDRV_SEQ_EVENT_USR3 93 118 #define SNDRV_SEQ_EVENT_USR4 94 119 #define SNDRV_SEQ_EVENT_USR5 95 120 #define SNDRV_SEQ_EVENT_USR6 96 121 #define SNDRV_SEQ_EVENT_USR7 97 122 #define SNDRV_SEQ_EVENT_USR8 98 123 #define SNDRV_SEQ_EVENT_USR9 99 124 125 /* 100-118: instrument layer - obsoleted */ 126 /* 119-129: reserved */ 127 128 /* 130-139: variable length events 129 * event data type = snd_seq_ev_ext 130 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) 131 */ 132 #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ 133 #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ 134 /* 132-134: reserved */ 135 #define SNDRV_SEQ_EVENT_USR_VAR0 135 136 #define SNDRV_SEQ_EVENT_USR_VAR1 136 137 #define SNDRV_SEQ_EVENT_USR_VAR2 137 138 #define SNDRV_SEQ_EVENT_USR_VAR3 138 139 #define SNDRV_SEQ_EVENT_USR_VAR4 139 140 141 /* 150-151: kernel events with quote - DO NOT use in user clients */ 142 #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 143 #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ 144 145 /* 152-191: reserved */ 146 147 /* 192-254: hardware specific events */ 148 149 /* 255: special event */ 150 #define SNDRV_SEQ_EVENT_NONE 255 151 152 153 typedef unsigned char snd_seq_event_type_t; 154 155 /** event address */ 156 struct snd_seq_addr { 157 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ 158 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ 159 }; 160 161 /** port connection */ 162 struct snd_seq_connect { 163 struct snd_seq_addr sender; 164 struct snd_seq_addr dest; 165 }; 166 167 168 #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ 169 #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ 170 #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ 171 #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ 172 173 /* event mode flag - NOTE: only 8 bits available! */ 174 #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ 175 #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ 176 #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) 177 178 #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ 179 #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ 180 #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) 181 182 #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ 183 #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ 184 #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ 185 #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) 186 187 #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ 188 #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ 189 #define SNDRV_SEQ_PRIORITY_MASK (1<<4) 190 191 192 /* note event */ 193 struct snd_seq_ev_note { 194 unsigned char channel; 195 unsigned char note; 196 unsigned char velocity; 197 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ 198 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ 199 }; 200 201 /* controller event */ 202 struct snd_seq_ev_ctrl { 203 unsigned char channel; 204 unsigned char unused1, unused2, unused3; /* pad */ 205 unsigned int param; 206 signed int value; 207 }; 208 209 /* generic set of bytes (12x8 bit) */ 210 struct snd_seq_ev_raw8 { 211 unsigned char d[12]; /* 8 bit value */ 212 }; 213 214 /* generic set of integers (3x32 bit) */ 215 struct snd_seq_ev_raw32 { 216 unsigned int d[3]; /* 32 bit value */ 217 }; 218 219 /* external stored data */ 220 struct snd_seq_ev_ext { 221 unsigned int len; /* length of data */ 222 void *ptr; /* pointer to data (note: maybe 64-bit) */ 223 } __attribute__((packed)); 224 225 struct snd_seq_result { 226 int event; /* processed event type */ 227 int result; 228 }; 229 230 231 struct snd_seq_real_time { 232 unsigned int tv_sec; /* seconds */ 233 unsigned int tv_nsec; /* nanoseconds */ 234 }; 235 236 typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ 237 238 union snd_seq_timestamp { 239 snd_seq_tick_time_t tick; 240 struct snd_seq_real_time time; 241 }; 242 243 struct snd_seq_queue_skew { 244 unsigned int value; 245 unsigned int base; 246 }; 247 248 /* queue timer control */ 249 struct snd_seq_ev_queue_control { 250 unsigned char queue; /* affected queue */ 251 unsigned char pad[3]; /* reserved */ 252 union { 253 signed int value; /* affected value (e.g. tempo) */ 254 union snd_seq_timestamp time; /* time */ 255 unsigned int position; /* sync position */ 256 struct snd_seq_queue_skew skew; 257 unsigned int d32[2]; 258 unsigned char d8[8]; 259 } param; 260 }; 261 262 /* quoted event - inside the kernel only */ 263 struct snd_seq_ev_quote { 264 struct snd_seq_addr origin; /* original sender */ 265 unsigned short value; /* optional data */ 266 struct snd_seq_event *event; /* quoted event */ 267 } __attribute__((packed)); 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 */ 278 279 280 struct snd_seq_addr source; /* source address */ 281 struct snd_seq_addr dest; /* destination address */ 282 283 union { /* event data... */ 284 struct snd_seq_ev_note note; 285 struct snd_seq_ev_ctrl control; 286 struct snd_seq_ev_raw8 raw8; 287 struct snd_seq_ev_raw32 raw32; 288 struct snd_seq_ev_ext ext; 289 struct snd_seq_ev_queue_control queue; 290 union snd_seq_timestamp time; 291 struct snd_seq_addr addr; 292 struct snd_seq_connect connect; 293 struct snd_seq_result result; 294 struct snd_seq_ev_quote quote; 295 } data; 296 }; 297 298 299 /* 300 * bounce event - stored as variable size data 301 */ 302 struct snd_seq_event_bounce { 303 int err; 304 struct snd_seq_event event; 305 /* external data follows here. */ 306 }; 307 308 309 /* system information */ 310 struct snd_seq_system_info { 311 int queues; /* maximum queues count */ 312 int clients; /* maximum clients count */ 313 int ports; /* maximum ports per client */ 314 int channels; /* maximum channels per port */ 315 int cur_clients; /* current clients */ 316 int cur_queues; /* current queues */ 317 char reserved[24]; 318 }; 319 320 321 /* system running information */ 322 struct snd_seq_running_info { 323 unsigned char client; /* client id */ 324 unsigned char big_endian; /* 1 = big-endian */ 325 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ 326 unsigned char pad; /* reserved */ 327 unsigned char reserved[12]; 328 }; 329 330 331 /* known client numbers */ 332 #define SNDRV_SEQ_CLIENT_SYSTEM 0 333 /* internal client numbers */ 334 #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ 335 #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ 336 337 338 /* client types */ 339 typedef int __bitwise snd_seq_client_type_t; 340 #define NO_CLIENT ((snd_seq_client_type_t) 0) 341 #define USER_CLIENT ((snd_seq_client_type_t) 1) 342 #define KERNEL_CLIENT ((snd_seq_client_type_t) 2) 343 344 /* event filter flags */ 345 #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ 346 #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ 347 #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ 348 #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ 349 350 struct snd_seq_client_info { 351 int client; /* client number to inquire */ 352 snd_seq_client_type_t type; /* client type */ 353 char name[64]; /* client name */ 354 unsigned int filter; /* filter flags */ 355 unsigned char multicast_filter[8]; /* multicast filter bitmap */ 356 unsigned char event_filter[32]; /* event filter bitmap */ 357 int num_ports; /* RO: number of ports */ 358 int event_lost; /* number of lost events */ 359 char reserved[64]; /* for future use */ 360 }; 361 362 363 /* client pool size */ 364 struct snd_seq_client_pool { 365 int client; /* client number to inquire */ 366 int output_pool; /* outgoing (write) pool size */ 367 int input_pool; /* incoming (read) pool size */ 368 int output_room; /* minimum free pool size for select/blocking mode */ 369 int output_free; /* unused size */ 370 int input_free; /* unused size */ 371 char reserved[64]; 372 }; 373 374 375 /* Remove events by specified criteria */ 376 377 #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ 378 #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ 379 #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ 380 #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ 381 #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ 382 #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ 383 #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ 384 #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ 385 #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ 386 #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ 387 388 struct snd_seq_remove_events { 389 unsigned int remove_mode; /* Flags that determine what gets removed */ 390 391 union snd_seq_timestamp time; 392 393 unsigned char queue; /* Queue for REMOVE_DEST */ 394 struct snd_seq_addr dest; /* Address for REMOVE_DEST */ 395 unsigned char channel; /* Channel for REMOVE_DEST */ 396 397 int type; /* For REMOVE_EVENT_TYPE */ 398 char tag; /* Tag for REMOVE_TAG */ 399 400 int reserved[10]; /* To allow for future binary compatibility */ 401 402 }; 403 404 405 /* known port numbers */ 406 #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 407 #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 408 409 /* port capabilities (32 bits) */ 410 #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ 411 #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ 412 413 #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) 414 #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) 415 416 #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) 417 418 #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ 419 #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ 420 #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ 421 422 /* port type */ 423 #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ 424 #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ 425 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ 426 #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ 427 #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ 428 #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ 429 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ 430 431 /* other standards...*/ 432 #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ 433 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ 434 #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ 435 /*...*/ 436 #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ 437 #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ 438 #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ 439 #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ 440 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ 441 442 /* misc. conditioning flags */ 443 #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) 444 #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) 445 #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) 446 447 struct snd_seq_port_info { 448 struct snd_seq_addr addr; /* client/port numbers */ 449 char name[64]; /* port name */ 450 451 unsigned int capability; /* port capability bits */ 452 unsigned int type; /* port type bits */ 453 int midi_channels; /* channels per MIDI port */ 454 int midi_voices; /* voices per MIDI port */ 455 int synth_voices; /* voices per SYNTH port */ 456 457 int read_use; /* R/O: subscribers for output (from this port) */ 458 int write_use; /* R/O: subscribers for input (to this port) */ 459 460 void *kernel; /* reserved for kernel use (must be NULL) */ 461 unsigned int flags; /* misc. conditioning */ 462 unsigned char time_queue; /* queue # for timestamping */ 463 char reserved[59]; /* for future use */ 464 }; 465 466 467 /* queue flags */ 468 #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ 469 470 /* queue information */ 471 struct snd_seq_queue_info { 472 int queue; /* queue id */ 473 474 /* 475 * security settings, only owner of this queue can start/stop timer 476 * etc. if the queue is locked for other clients 477 */ 478 int owner; /* client id for owner of the queue */ 479 unsigned locked:1; /* timing queue locked for other queues */ 480 char name[64]; /* name of this queue */ 481 unsigned int flags; /* flags */ 482 char reserved[60]; /* for future use */ 483 484 }; 485 486 /* queue info/status */ 487 struct snd_seq_queue_status { 488 int queue; /* queue id */ 489 int events; /* read-only - queue size */ 490 snd_seq_tick_time_t tick; /* current tick */ 491 struct snd_seq_real_time time; /* current time */ 492 int running; /* running state of queue */ 493 int flags; /* various flags */ 494 char reserved[64]; /* for the future */ 495 }; 496 497 498 /* queue tempo */ 499 struct snd_seq_queue_tempo { 500 int queue; /* sequencer queue */ 501 unsigned int tempo; /* current tempo, us/tick */ 502 int ppq; /* time resolution, ticks/quarter */ 503 unsigned int skew_value; /* queue skew */ 504 unsigned int skew_base; /* queue skew base */ 505 char reserved[24]; /* for the future */ 506 }; 507 508 509 /* sequencer timer sources */ 510 #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ 511 #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ 512 #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ 513 514 /* queue timer info */ 515 struct snd_seq_queue_timer { 516 int queue; /* sequencer queue */ 517 int type; /* source timer type */ 518 union { 519 struct { 520 struct snd_timer_id id; /* ALSA's timer ID */ 521 unsigned int resolution; /* resolution in Hz */ 522 } alsa; 523 } u; 524 char reserved[64]; /* for the future use */ 525 }; 526 527 528 struct snd_seq_queue_client { 529 int queue; /* sequencer queue */ 530 int client; /* sequencer client */ 531 int used; /* queue is used with this client 532 (must be set for accepting events) */ 533 /* per client watermarks */ 534 char reserved[64]; /* for future use */ 535 }; 536 537 538 #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ 539 #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) 540 #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) 541 542 struct snd_seq_port_subscribe { 543 struct snd_seq_addr sender; /* sender address */ 544 struct snd_seq_addr dest; /* destination address */ 545 unsigned int voices; /* number of voices to be allocated (0 = don't care) */ 546 unsigned int flags; /* modes */ 547 unsigned char queue; /* input time-stamp queue (optional) */ 548 unsigned char pad[3]; /* reserved */ 549 char reserved[64]; 550 }; 551 552 /* type of query subscription */ 553 #define SNDRV_SEQ_QUERY_SUBS_READ 0 554 #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 555 556 struct snd_seq_query_subs { 557 struct snd_seq_addr root; /* client/port id to be searched */ 558 int type; /* READ or WRITE */ 559 int index; /* 0..N-1 */ 560 int num_subs; /* R/O: number of subscriptions on this port */ 561 struct snd_seq_addr addr; /* R/O: result */ 562 unsigned char queue; /* R/O: result */ 563 unsigned int flags; /* R/O: result */ 564 char reserved[64]; /* for future use */ 565 }; 566 567 568 /* 569 * IOCTL commands 570 */ 571 572 #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) 573 #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) 574 #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) 575 #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) 576 577 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) 578 #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) 579 580 #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) 581 #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) 582 #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) 583 #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) 584 585 #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) 586 #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) 587 588 #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) 589 #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) 590 #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) 591 #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) 592 #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) 593 #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) 594 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) 595 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) 596 #define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner) 597 #define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner) 598 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) 599 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) 600 /* XXX 601 #define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync) 602 #define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync) 603 */ 604 #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) 605 #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) 606 #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) 607 #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) 608 #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) 609 #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) 610 #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) 611 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) 612 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) 613 614 #endif /* __SOUND_ASEQUENCER_H */ 615
