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@suse.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 #ifdef __KERNEL__ 26 #include <linux/ioctl.h> 27 #include <sound/asound.h> 28 #endif 29 30 /** version of the sequencer */ 31 #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) 32 33 /** 34 * definition of sequencer event types 35 */ 36 37 /** system messages 38 * event data type = #snd_seq_result 39 */ 40 #define SNDRV_SEQ_EVENT_SYSTEM 0 41 #define SNDRV_SEQ_EVENT_RESULT 1 42 43 /** note messages (channel specific) 44 * event data type = #snd_seq_ev_note 45 */ 46 #define SNDRV_SEQ_EVENT_NOTE 5 47 #define SNDRV_SEQ_EVENT_NOTEON 6 48 #define SNDRV_SEQ_EVENT_NOTEOFF 7 49 #define SNDRV_SEQ_EVENT_KEYPRESS 8 50 51 /** control messages (channel specific) 52 * event data type = #snd_seq_ev_ctrl 53 */ 54 #define SNDRV_SEQ_EVENT_CONTROLLER 10 55 #define SNDRV_SEQ_EVENT_PGMCHANGE 11 56 #define SNDRV_SEQ_EVENT_CHANPRESS 12 57 #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ 58 #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ 59 #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ 60 #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ 61 62 /** synchronisation messages 63 * event data type = #snd_seq_ev_ctrl 64 */ 65 #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ 66 #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ 67 #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ 68 #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ 69 #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ 70 71 /** timer messages 72 * event data type = snd_seq_ev_queue_control 73 */ 74 #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ 75 #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ 76 #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ 77 #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ 78 #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ 79 #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ 80 #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ 81 #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ 82 #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ 83 84 /** others 85 * event data type = none 86 */ 87 #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ 88 #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ 89 #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ 90 91 /** echo back, kernel private messages 92 * event data type = any type 93 */ 94 #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ 95 #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ 96 97 /** system status messages (broadcast for subscribers) 98 * event data type = snd_seq_addr 99 */ 100 #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ 101 #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ 102 #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ 103 #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ 104 #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ 105 #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ 106 107 /** port connection changes 108 * event data type = snd_seq_connect 109 */ 110 #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ 111 #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ 112 113 /** synthesizer events 114 * event data type = snd_seq_eve_sample_control 115 */ 116 #define SNDRV_SEQ_EVENT_SAMPLE 70 /* sample select */ 117 #define SNDRV_SEQ_EVENT_SAMPLE_CLUSTER 71 /* sample cluster select */ 118 #define SNDRV_SEQ_EVENT_SAMPLE_START 72 /* voice start */ 119 #define SNDRV_SEQ_EVENT_SAMPLE_STOP 73 /* voice stop */ 120 #define SNDRV_SEQ_EVENT_SAMPLE_FREQ 74 /* playback frequency */ 121 #define SNDRV_SEQ_EVENT_SAMPLE_VOLUME 75 /* volume and balance */ 122 #define SNDRV_SEQ_EVENT_SAMPLE_LOOP 76 /* sample loop */ 123 #define SNDRV_SEQ_EVENT_SAMPLE_POSITION 77 /* sample position */ 124 #define SNDRV_SEQ_EVENT_SAMPLE_PRIVATE1 78 /* private (hardware dependent) event */ 125 126 /** user-defined events with fixed length 127 * event data type = any 128 */ 129 #define SNDRV_SEQ_EVENT_USR0 90 130 #define SNDRV_SEQ_EVENT_USR1 91 131 #define SNDRV_SEQ_EVENT_USR2 92 132 #define SNDRV_SEQ_EVENT_USR3 93 133 #define SNDRV_SEQ_EVENT_USR4 94 134 #define SNDRV_SEQ_EVENT_USR5 95 135 #define SNDRV_SEQ_EVENT_USR6 96 136 #define SNDRV_SEQ_EVENT_USR7 97 137 #define SNDRV_SEQ_EVENT_USR8 98 138 #define SNDRV_SEQ_EVENT_USR9 99 139 140 /** instrument layer 141 * variable length data can be passed directly to the driver 142 */ 143 #define SNDRV_SEQ_EVENT_INSTR_BEGIN 100 /* begin of instrument management */ 144 #define SNDRV_SEQ_EVENT_INSTR_END 101 /* end of instrument management */ 145 #define SNDRV_SEQ_EVENT_INSTR_INFO 102 /* instrument interface info */ 146 #define SNDRV_SEQ_EVENT_INSTR_INFO_RESULT 103 /* result */ 147 #define SNDRV_SEQ_EVENT_INSTR_FINFO 104 /* get format info */ 148 #define SNDRV_SEQ_EVENT_INSTR_FINFO_RESULT 105 /* get format info */ 149 #define SNDRV_SEQ_EVENT_INSTR_RESET 106 /* reset instrument memory */ 150 #define SNDRV_SEQ_EVENT_INSTR_STATUS 107 /* instrument interface status */ 151 #define SNDRV_SEQ_EVENT_INSTR_STATUS_RESULT 108 /* result */ 152 #define SNDRV_SEQ_EVENT_INSTR_PUT 109 /* put instrument to port */ 153 #define SNDRV_SEQ_EVENT_INSTR_GET 110 /* get instrument from port */ 154 #define SNDRV_SEQ_EVENT_INSTR_GET_RESULT 111 /* result */ 155 #define SNDRV_SEQ_EVENT_INSTR_FREE 112 /* free instrument(s) */ 156 #define SNDRV_SEQ_EVENT_INSTR_LIST 113 /* instrument list */ 157 #define SNDRV_SEQ_EVENT_INSTR_LIST_RESULT 114 /* result */ 158 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER 115 /* cluster parameters */ 159 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_GET 116 /* get cluster parameters */ 160 #define SNDRV_SEQ_EVENT_INSTR_CLUSTER_RESULT 117 /* result */ 161 #define SNDRV_SEQ_EVENT_INSTR_CHANGE 118 /* instrument change */ 162 /* 119-129: reserved */ 163 164 /* 130-139: variable length events 165 * event data type = snd_seq_ev_ext 166 * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) 167 */ 168 #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ 169 #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ 170 /* 132-134: reserved */ 171 #define SNDRV_SEQ_EVENT_USR_VAR0 135 172 #define SNDRV_SEQ_EVENT_USR_VAR1 136 173 #define SNDRV_SEQ_EVENT_USR_VAR2 137 174 #define SNDRV_SEQ_EVENT_USR_VAR3 138 175 #define SNDRV_SEQ_EVENT_USR_VAR4 139 176 177 /* 150-151: kernel events with quote - DO NOT use in user clients */ 178 #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 179 #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ 180 181 /* 152-191: reserved */ 182 183 /* 192-254: hardware specific events */ 184 185 /* 255: special event */ 186 #define SNDRV_SEQ_EVENT_NONE 255 187 188 189 typedef unsigned char snd_seq_event_type_t; 190 191 /** event address */ 192 struct snd_seq_addr { 193 unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ 194 unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ 195 }; 196 197 /** port connection */ 198 struct snd_seq_connect { 199 struct snd_seq_addr sender; 200 struct snd_seq_addr dest; 201 }; 202 203 204 #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ 205 #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ 206 #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ 207 #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ 208 209 /* event mode flag - NOTE: only 8 bits available! */ 210 #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ 211 #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ 212 #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) 213 214 #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ 215 #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ 216 #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) 217 218 #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ 219 #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ 220 #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ 221 #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) 222 223 #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ 224 #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ 225 #define SNDRV_SEQ_PRIORITY_MASK (1<<4) 226 227 228 /* note event */ 229 struct snd_seq_ev_note { 230 unsigned char channel; 231 unsigned char note; 232 unsigned char velocity; 233 unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ 234 unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ 235 }; 236 237 /* controller event */ 238 struct snd_seq_ev_ctrl { 239 unsigned char channel; 240 unsigned char unused1, unused2, unused3; /* pad */ 241 unsigned int param; 242 signed int value; 243 }; 244 245 /* generic set of bytes (12x8 bit) */ 246 struct snd_seq_ev_raw8 { 247 unsigned char d[12]; /* 8 bit value */ 248 }; 249 250 /* generic set of integers (3x32 bit) */ 251 struct snd_seq_ev_raw32 { 252 unsigned int d[3]; /* 32 bit value */ 253 }; 254 255 /* external stored data */ 256 struct snd_seq_ev_ext { 257 unsigned int len; /* length of data */ 258 void *ptr; /* pointer to data (note: maybe 64-bit) */ 259 } __attribute__((packed)); 260 261 /* Instrument cluster type */ 262 typedef unsigned int snd_seq_instr_cluster_t; 263 264 /* Instrument type */ 265 struct snd_seq_instr { 266 snd_seq_instr_cluster_t cluster; 267 unsigned int std; /* the upper byte means a private instrument (owner - client #) */ 268 unsigned short bank; 269 unsigned short prg; 270 }; 271 272 /* sample number */ 273 struct snd_seq_ev_sample { 274 unsigned int std; 275 unsigned short bank; 276 unsigned short prg; 277 }; 278 279 /* sample cluster */ 280 struct snd_seq_ev_cluster { 281 snd_seq_instr_cluster_t cluster; 282 }; 283 284 /* sample position */ 285 typedef unsigned int snd_seq_position_t; /* playback position (in samples) * 16 */ 286 287 /* sample stop mode */ 288 enum { 289 SAMPLE_STOP_IMMEDIATELY = 0, /* terminate playing immediately */ 290 SAMPLE_STOP_VENVELOPE = 1, /* finish volume envelope */ 291 SAMPLE_STOP_LOOP = 2 /* terminate loop and finish wave */ 292 }; 293 294 /* sample frequency */ 295 typedef int snd_seq_frequency_t; /* playback frequency in HZ * 16 */ 296 297 /* sample volume control; if any value is set to -1 == do not change */ 298 struct snd_seq_ev_volume { 299 signed short volume; /* range: 0-16383 */ 300 signed short lr; /* left-right balance; range: 0-16383 */ 301 signed short fr; /* front-rear balance; range: 0-16383 */ 302 signed short du; /* down-up balance; range: 0-16383 */ 303 }; 304 305 /* simple loop redefinition */ 306 struct snd_seq_ev_loop { 307 unsigned int start; /* loop start (in samples) * 16 */ 308 unsigned int end; /* loop end (in samples) * 16 */ 309 }; 310 311 struct snd_seq_ev_sample_control { 312 unsigned char channel; 313 unsigned char unused1, unused2, unused3; /* pad */ 314 union { 315 struct snd_seq_ev_sample sample; 316 struct snd_seq_ev_cluster cluster; 317 snd_seq_position_t position; 318 int stop_mode; 319 snd_seq_frequency_t frequency; 320 struct snd_seq_ev_volume volume; 321 struct snd_seq_ev_loop loop; 322 unsigned char raw8[8]; 323 } param; 324 }; 325 326 327 328 /* INSTR_BEGIN event */ 329 struct snd_seq_ev_instr_begin { 330 int timeout; /* zero = forever, otherwise timeout in ms */ 331 }; 332 333 struct snd_seq_result { 334 int event; /* processed event type */ 335 int result; 336 }; 337 338 339 struct snd_seq_real_time { 340 unsigned int tv_sec; /* seconds */ 341 unsigned int tv_nsec; /* nanoseconds */ 342 }; 343 344 typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ 345 346 union snd_seq_timestamp { 347 snd_seq_tick_time_t tick; 348 struct snd_seq_real_time time; 349 }; 350 351 struct snd_seq_queue_skew { 352 unsigned int value; 353 unsigned int base; 354 }; 355 356 /* queue timer control */ 357 struct snd_seq_ev_queue_control { 358 unsigned char queue; /* affected queue */ 359 unsigned char pad[3]; /* reserved */ 360 union { 361 signed int value; /* affected value (e.g. tempo) */ 362 union snd_seq_timestamp time; /* time */ 363 unsigned int position; /* sync position */ 364 struct snd_seq_queue_skew skew; 365 unsigned int d32[2]; 366 unsigned char d8[8]; 367 } param; 368 }; 369 370 /* quoted event - inside the kernel only */ 371 struct snd_seq_ev_quote { 372 struct snd_seq_addr origin; /* original sender */ 373 unsigned short value; /* optional data */ 374 struct snd_seq_event *event; /* quoted event */ 375 } __attribute__((packed)); 376 377 378 /* sequencer event */ 379 struct snd_seq_event { 380 snd_seq_event_type_t type; /* event type */ 381 unsigned char flags; /* event flags */ 382 char tag; 383 384 unsigned char queue; /* schedule queue */ 385 union snd_seq_timestamp time; /* schedule time */ 386 387 388 struct snd_seq_addr source; /* source address */ 389 struct snd_seq_addr dest; /* destination address */ 390 391 union { /* event data... */ 392 struct snd_seq_ev_note note; 393 struct snd_seq_ev_ctrl control; 394 struct snd_seq_ev_raw8 raw8; 395 struct snd_seq_ev_raw32 raw32; 396 struct snd_seq_ev_ext ext; 397 struct snd_seq_ev_queue_control queue; 398 union snd_seq_timestamp time; 399 struct snd_seq_addr addr; 400 struct snd_seq_connect connect; 401 struct snd_seq_result result; 402 struct snd_seq_ev_instr_begin instr_begin; 403 struct snd_seq_ev_sample_control sample; 404 struct snd_seq_ev_quote quote; 405 } data; 406 }; 407 408 409 /* 410 * bounce event - stored as variable size data 411 */ 412 struct snd_seq_event_bounce { 413 int err; 414 struct snd_seq_event event; 415 /* external data follows here. */ 416 }; 417 418 #ifdef __KERNEL__ 419 420 /* helper macro */ 421 #define snd_seq_event_bounce_ext_data(ev) ((void*)((char *)(ev)->data.ext.ptr + sizeof(struct snd_seq_event_bounce))) 422 423 /* 424 * type check macros 425 */ 426 /* result events: 0-4 */ 427 #define snd_seq_ev_is_result_type(ev) ((ev)->type < 5) 428 /* channel specific events: 5-19 */ 429 #define snd_seq_ev_is_channel_type(ev) ((ev)->type >= 5 && (ev)->type < 20) 430 /* note events: 5-9 */ 431 #define snd_seq_ev_is_note_type(ev) ((ev)->type >= 5 && (ev)->type < 10) 432 /* control events: 10-19 */ 433 #define snd_seq_ev_is_control_type(ev) ((ev)->type >= 10 && (ev)->type < 20) 434 /* queue control events: 30-39 */ 435 #define snd_seq_ev_is_queue_type(ev) ((ev)->type >= 30 && (ev)->type < 40) 436 /* system status messages */ 437 #define snd_seq_ev_is_message_type(ev) ((ev)->type >= 60 && (ev)->type < 69) 438 /* sample messages */ 439 #define snd_seq_ev_is_sample_type(ev) ((ev)->type >= 70 && (ev)->type < 79) 440 /* user-defined messages */ 441 #define snd_seq_ev_is_user_type(ev) ((ev)->type >= 90 && (ev)->type < 99) 442 /* fixed length events: 0-99 */ 443 #define snd_seq_ev_is_fixed_type(ev) ((ev)->type < 100) 444 /* instrument layer events: 100-129 */ 445 #define snd_seq_ev_is_instr_type(ev) ((ev)->type >= 100 && (ev)->type < 130) 446 /* variable length events: 130-139 */ 447 #define snd_seq_ev_is_variable_type(ev) ((ev)->type >= 130 && (ev)->type < 140) 448 /* reserved for kernel */ 449 #define snd_seq_ev_is_reserved(ev) ((ev)->type >= 150) 450 451 /* direct dispatched events */ 452 #define snd_seq_ev_is_direct(ev) ((ev)->queue == SNDRV_SEQ_QUEUE_DIRECT) 453 454 /* 455 * macros to check event flags 456 */ 457 /* prior events */ 458 #define snd_seq_ev_is_prior(ev) (((ev)->flags & SNDRV_SEQ_PRIORITY_MASK) == SNDRV_SEQ_PRIORITY_HIGH) 459 460 /* event length type */ 461 #define snd_seq_ev_length_type(ev) ((ev)->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) 462 #define snd_seq_ev_is_fixed(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_FIXED) 463 #define snd_seq_ev_is_variable(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARIABLE) 464 #define snd_seq_ev_is_varusr(ev) (snd_seq_ev_length_type(ev) == SNDRV_SEQ_EVENT_LENGTH_VARUSR) 465 466 /* time-stamp type */ 467 #define snd_seq_ev_timestamp_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_STAMP_MASK) 468 #define snd_seq_ev_is_tick(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_TICK) 469 #define snd_seq_ev_is_real(ev) (snd_seq_ev_timestamp_type(ev) == SNDRV_SEQ_TIME_STAMP_REAL) 470 471 /* time-mode type */ 472 #define snd_seq_ev_timemode_type(ev) ((ev)->flags & SNDRV_SEQ_TIME_MODE_MASK) 473 #define snd_seq_ev_is_abstime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_ABS) 474 #define snd_seq_ev_is_reltime(ev) (snd_seq_ev_timemode_type(ev) == SNDRV_SEQ_TIME_MODE_REL) 475 476 /* queue sync port */ 477 #define snd_seq_queue_sync_port(q) ((q) + 16) 478 479 #endif /* __KERNEL__ */ 480 481 /* system information */ 482 struct snd_seq_system_info { 483 int queues; /* maximum queues count */ 484 int clients; /* maximum clients count */ 485 int ports; /* maximum ports per client */ 486 int channels; /* maximum channels per port */ 487 int cur_clients; /* current clients */ 488 int cur_queues; /* current queues */ 489 char reserved[24]; 490 }; 491 492 493 /* system running information */ 494 struct snd_seq_running_info { 495 unsigned char client; /* client id */ 496 unsigned char big_endian; /* 1 = big-endian */ 497 unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ 498 unsigned char pad; /* reserved */ 499 unsigned char reserved[12]; 500 }; 501 502 503 /* known client numbers */ 504 #define SNDRV_SEQ_CLIENT_SYSTEM 0 505 /* internal client numbers */ 506 #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ 507 #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ 508 509 510 /* client types */ 511 typedef int __bitwise snd_seq_client_type_t; 512 #define NO_CLIENT ((__force snd_seq_client_type_t) 0) 513 #define USER_CLIENT ((__force snd_seq_client_type_t) 1) 514 #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2) 515 516 /* event filter flags */ 517 #define SNDRV_SEQ_FILTER_BROADCAST (1<<0) /* accept broadcast messages */ 518 #define SNDRV_SEQ_FILTER_MULTICAST (1<<1) /* accept multicast messages */ 519 #define SNDRV_SEQ_FILTER_BOUNCE (1<<2) /* accept bounce event in error */ 520 #define SNDRV_SEQ_FILTER_USE_EVENT (1<<31) /* use event filter */ 521 522 struct snd_seq_client_info { 523 int client; /* client number to inquire */ 524 snd_seq_client_type_t type; /* client type */ 525 char name[64]; /* client name */ 526 unsigned int filter; /* filter flags */ 527 unsigned char multicast_filter[8]; /* multicast filter bitmap */ 528 unsigned char event_filter[32]; /* event filter bitmap */ 529 int num_ports; /* RO: number of ports */ 530 int event_lost; /* number of lost events */ 531 char reserved[64]; /* for future use */ 532 }; 533 534 535 /* client pool size */ 536 struct snd_seq_client_pool { 537 int client; /* client number to inquire */ 538 int output_pool; /* outgoing (write) pool size */ 539 int input_pool; /* incoming (read) pool size */ 540 int output_room; /* minimum free pool size for select/blocking mode */ 541 int output_free; /* unused size */ 542 int input_free; /* unused size */ 543 char reserved[64]; 544 }; 545 546 547 /* Remove events by specified criteria */ 548 549 #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ 550 #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ 551 #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ 552 #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ 553 #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ 554 #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ 555 #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ 556 #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ 557 #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ 558 #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ 559 560 struct snd_seq_remove_events { 561 unsigned int remove_mode; /* Flags that determine what gets removed */ 562 563 union snd_seq_timestamp time; 564 565 unsigned char queue; /* Queue for REMOVE_DEST */ 566 struct snd_seq_addr dest; /* Address for REMOVE_DEST */ 567 unsigned char channel; /* Channel for REMOVE_DEST */ 568 569 int type; /* For REMOVE_EVENT_TYPE */ 570 char tag; /* Tag for REMOVE_TAG */ 571 572 int reserved[10]; /* To allow for future binary compatibility */ 573 574 }; 575 576 577 /* known port numbers */ 578 #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 579 #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 580 581 /* port capabilities (32 bits) */ 582 #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ 583 #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ 584 585 #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) 586 #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) 587 588 #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) 589 590 #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ 591 #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ 592 #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ 593 594 /* port type */ 595 #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ 596 #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ 597 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ 598 #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ 599 #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ 600 #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ 601 #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ 602 603 /* other standards...*/ 604 #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ 605 #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ 606 #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ 607 /*...*/ 608 #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ 609 610 /* misc. conditioning flags */ 611 #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) 612 #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) 613 #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) 614 615 struct snd_seq_port_info { 616 struct snd_seq_addr addr; /* client/port numbers */ 617 char name[64]; /* port name */ 618 619 unsigned int capability; /* port capability bits */ 620 unsigned int type; /* port type bits */ 621 int midi_channels; /* channels per MIDI port */ 622 int midi_voices; /* voices per MIDI port */ 623 int synth_voices; /* voices per SYNTH port */ 624 625 int read_use; /* R/O: subscribers for output (from this port) */ 626 int write_use; /* R/O: subscribers for input (to this port) */ 627 628 void *kernel; /* reserved for kernel use (must be NULL) */ 629 unsigned int flags; /* misc. conditioning */ 630 unsigned char time_queue; /* queue # for timestamping */ 631 char reserved[59]; /* for future use */ 632 }; 633 634 635 /* queue flags */ 636 #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ 637 638 /* queue information */ 639 struct snd_seq_queue_info { 640 int queue; /* queue id */ 641 642 /* 643 * security settings, only owner of this queue can start/stop timer 644 * etc. if the queue is locked for other clients 645 */ 646 int owner; /* client id for owner of the queue */ 647 unsigned locked:1; /* timing queue locked for other queues */ 648 char name[64]; /* name of this queue */ 649 unsigned int flags; /* flags */ 650 char reserved[60]; /* for future use */ 651 652 }; 653 654 /* queue info/status */ 655 struct snd_seq_queue_status { 656 int queue; /* queue id */ 657 int events; /* read-only - queue size */ 658 snd_seq_tick_time_t tick; /* current tick */ 659 struct snd_seq_real_time time; /* current time */ 660 int running; /* running state of queue */ 661 int flags; /* various flags */ 662 char reserved[64]; /* for the future */ 663 }; 664 665 666 /* queue tempo */ 667 struct snd_seq_queue_tempo { 668 int queue; /* sequencer queue */ 669 unsigned int tempo; /* current tempo, us/tick */ 670 int ppq; /* time resolution, ticks/quarter */ 671 unsigned int skew_value; /* queue skew */ 672 unsigned int skew_base; /* queue skew base */ 673 char reserved[24]; /* for the future */ 674 }; 675 676 677 /* sequencer timer sources */ 678 #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ 679 #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ 680 #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ 681 682 /* queue timer info */ 683 struct snd_seq_queue_timer { 684 int queue; /* sequencer queue */ 685 int type; /* source timer type */ 686 union { 687 struct { 688 struct snd_timer_id id; /* ALSA's timer ID */ 689 unsigned int resolution; /* resolution in Hz */ 690 } alsa; 691 } u; 692 char reserved[64]; /* for the future use */ 693 }; 694 695 696 struct snd_seq_queue_client { 697 int queue; /* sequencer queue */ 698 int client; /* sequencer client */ 699 int used; /* queue is used with this client 700 (must be set for accepting events) */ 701 /* per client watermarks */ 702 char reserved[64]; /* for future use */ 703 }; 704 705 706 #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ 707 #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) 708 #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) 709 710 struct snd_seq_port_subscribe { 711 struct snd_seq_addr sender; /* sender address */ 712 struct snd_seq_addr dest; /* destination address */ 713 unsigned int voices; /* number of voices to be allocated (0 = don't care) */ 714 unsigned int flags; /* modes */ 715 unsigned char queue; /* input time-stamp queue (optional) */ 716 unsigned char pad[3]; /* reserved */ 717 char reserved[64]; 718 }; 719 720 /* type of query subscription */ 721 #define SNDRV_SEQ_QUERY_SUBS_READ 0 722 #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 723 724 struct snd_seq_query_subs { 725 struct snd_seq_addr root; /* client/port id to be searched */ 726 int type; /* READ or WRITE */ 727 int index; /* 0..N-1 */ 728 int num_subs; /* R/O: number of subscriptions on this port */ 729 struct snd_seq_addr addr; /* R/O: result */ 730 unsigned char queue; /* R/O: result */ 731 unsigned int flags; /* R/O: result */ 732 char reserved[64]; /* for future use */ 733 }; 734 735 736 /* 737 * Instrument abstraction layer 738 * - based on events 739 */ 740 741 /* instrument types */ 742 #define SNDRV_SEQ_INSTR_ATYPE_DATA 0 /* instrument data */ 743 #define SNDRV_SEQ_INSTR_ATYPE_ALIAS 1 /* instrument alias */ 744 745 /* instrument ASCII identifiers */ 746 #define SNDRV_SEQ_INSTR_ID_DLS1 "DLS1" 747 #define SNDRV_SEQ_INSTR_ID_DLS2 "DLS2" 748 #define SNDRV_SEQ_INSTR_ID_SIMPLE "Simple Wave" 749 #define SNDRV_SEQ_INSTR_ID_SOUNDFONT "SoundFont" 750 #define SNDRV_SEQ_INSTR_ID_GUS_PATCH "GUS Patch" 751 #define SNDRV_SEQ_INSTR_ID_INTERWAVE "InterWave FFFF" 752 #define SNDRV_SEQ_INSTR_ID_OPL2_3 "OPL2/3 FM" 753 #define SNDRV_SEQ_INSTR_ID_OPL4 "OPL4" 754 755 /* instrument types */ 756 #define SNDRV_SEQ_INSTR_TYPE0_DLS1 (1<<0) /* MIDI DLS v1 */ 757 #define SNDRV_SEQ_INSTR_TYPE0_DLS2 (1<<1) /* MIDI DLS v2 */ 758 #define SNDRV_SEQ_INSTR_TYPE1_SIMPLE (1<<0) /* Simple Wave */ 759 #define SNDRV_SEQ_INSTR_TYPE1_SOUNDFONT (1<<1) /* EMU SoundFont */ 760 #define SNDRV_SEQ_INSTR_TYPE1_GUS_PATCH (1<<2) /* Gravis UltraSound Patch */ 761 #define SNDRV_SEQ_INSTR_TYPE1_INTERWAVE (1<<3) /* InterWave FFFF */ 762 #define SNDRV_SEQ_INSTR_TYPE2_OPL2_3 (1<<0) /* Yamaha OPL2/3 FM */ 763 #define SNDRV_SEQ_INSTR_TYPE2_OPL4 (1<<1) /* Yamaha OPL4 */ 764 765 /* put commands */ 766 #define SNDRV_SEQ_INSTR_PUT_CMD_CREATE 0 767 #define SNDRV_SEQ_INSTR_PUT_CMD_REPLACE 1 768 #define SNDRV_SEQ_INSTR_PUT_CMD_MODIFY 2 769 #define SNDRV_SEQ_INSTR_PUT_CMD_ADD 3 770 #define SNDRV_SEQ_INSTR_PUT_CMD_REMOVE 4 771 772 /* get commands */ 773 #define SNDRV_SEQ_INSTR_GET_CMD_FULL 0 774 #define SNDRV_SEQ_INSTR_GET_CMD_PARTIAL 1 775 776 /* query flags */ 777 #define SNDRV_SEQ_INSTR_QUERY_FOLLOW_ALIAS (1<<0) 778 779 /* free commands */ 780 #define SNDRV_SEQ_INSTR_FREE_CMD_ALL 0 781 #define SNDRV_SEQ_INSTR_FREE_CMD_PRIVATE 1 782 #define SNDRV_SEQ_INSTR_FREE_CMD_CLUSTER 2 783 #define SNDRV_SEQ_INSTR_FREE_CMD_SINGLE 3 784 785 /* size of ROM/RAM */ 786 typedef unsigned int snd_seq_instr_size_t; 787 788 /* INSTR_INFO */ 789 790 struct snd_seq_instr_info { 791 int result; /* operation result */ 792 unsigned int formats[8]; /* bitmap of supported formats */ 793 int ram_count; /* count of RAM banks */ 794 snd_seq_instr_size_t ram_sizes[16]; /* size of RAM banks */ 795 int rom_count; /* count of ROM banks */ 796 snd_seq_instr_size_t rom_sizes[8]; /* size of ROM banks */ 797 char reserved[128]; 798 }; 799 800 /* INSTR_STATUS */ 801 802 struct snd_seq_instr_status { 803 int result; /* operation result */ 804 snd_seq_instr_size_t free_ram[16]; /* free RAM in banks */ 805 int instrument_count; /* count of downloaded instruments */ 806 char reserved[128]; 807 }; 808 809 /* INSTR_FORMAT_INFO */ 810 811 struct snd_seq_instr_format_info { 812 char format[16]; /* format identifier - SNDRV_SEQ_INSTR_ID_* */ 813 unsigned int len; /* max data length (without this structure) */ 814 }; 815 816 struct snd_seq_instr_format_info_result { 817 int result; /* operation result */ 818 char format[16]; /* format identifier */ 819 unsigned int len; /* filled data length (without this structure) */ 820 }; 821 822 /* instrument data */ 823 struct snd_seq_instr_data { 824 char name[32]; /* instrument name */ 825 char reserved[16]; /* for the future use */ 826 int type; /* instrument type */ 827 union { 828 char format[16]; /* format identifier */ 829 struct snd_seq_instr alias; 830 } data; 831 }; 832 833 /* INSTR_PUT/GET, data are stored in one block (extended), header + data */ 834 835 struct snd_seq_instr_header { 836 union { 837 struct snd_seq_instr instr; 838 snd_seq_instr_cluster_t cluster; 839 } id; /* instrument identifier */ 840 unsigned int cmd; /* get/put/free command */ 841 unsigned int flags; /* query flags (only for get) */ 842 unsigned int len; /* real instrument data length (without header) */ 843 int result; /* operation result */ 844 char reserved[16]; /* for the future */ 845 struct snd_seq_instr_data data; /* instrument data (for put/get result) */ 846 }; 847 848 /* INSTR_CLUSTER_SET */ 849 850 struct snd_seq_instr_cluster_set { 851 snd_seq_instr_cluster_t cluster; /* cluster identifier */ 852 char name[32]; /* cluster name */ 853 int priority; /* cluster priority */ 854 char reserved[64]; /* for the future use */ 855 }; 856 857 /* INSTR_CLUSTER_GET */ 858 859 struct snd_seq_instr_cluster_get { 860 snd_seq_instr_cluster_t cluster; /* cluster identifier */ 861 char name[32]; /* cluster name */ 862 int priority; /* cluster priority */ 863 char reserved[64]; /* for the future use */ 864 }; 865 866 /* 867 * IOCTL commands 868 */ 869 870 #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) 871 #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) 872 #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) 873 #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) 874 875 #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) 876 #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) 877 878 #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) 879 #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) 880 #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) 881 #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) 882 883 #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) 884 #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) 885 886 #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) 887 #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) 888 #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) 889 #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) 890 #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) 891 #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) 892 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) 893 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) 894 #define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner) 895 #define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner) 896 #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) 897 #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) 898 /* XXX 899 #define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC _IOWR('S', 0x53, struct snd_seq_queue_sync) 900 #define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC _IOW ('S', 0x54, struct snd_seq_queue_sync) 901 */ 902 #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) 903 #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) 904 #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) 905 #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) 906 #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) 907 #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) 908 #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) 909 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) 910 #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) 911 912 #endif /* __SOUND_ASEQUENCER_H */ 913