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| 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
|---|---|
| 2 | /* |
| 3 | * Main header file for the ALSA sequencer |
| 4 | * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl> |
| 5 | * (c) 1998-1999 by Jaroslav Kysela <perex@perex.cz> |
| 6 | */ |
| 7 | #ifndef _UAPI__SOUND_ASEQUENCER_H |
| 8 | #define _UAPI__SOUND_ASEQUENCER_H |
| 9 | |
| 10 | #include <sound/asound.h> |
| 11 | |
| 12 | /** version of the sequencer */ |
| 13 | #define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 3) |
| 14 | |
| 15 | /** |
| 16 | * definition of sequencer event types |
| 17 | */ |
| 18 | |
| 19 | /** system messages |
| 20 | * event data type = #snd_seq_result |
| 21 | */ |
| 22 | #define SNDRV_SEQ_EVENT_SYSTEM 0 |
| 23 | #define SNDRV_SEQ_EVENT_RESULT 1 |
| 24 | |
| 25 | /** note messages (channel specific) |
| 26 | * event data type = #snd_seq_ev_note |
| 27 | */ |
| 28 | #define SNDRV_SEQ_EVENT_NOTE 5 |
| 29 | #define SNDRV_SEQ_EVENT_NOTEON 6 |
| 30 | #define SNDRV_SEQ_EVENT_NOTEOFF 7 |
| 31 | #define SNDRV_SEQ_EVENT_KEYPRESS 8 |
| 32 | |
| 33 | /** control messages (channel specific) |
| 34 | * event data type = #snd_seq_ev_ctrl |
| 35 | */ |
| 36 | #define SNDRV_SEQ_EVENT_CONTROLLER 10 |
| 37 | #define SNDRV_SEQ_EVENT_PGMCHANGE 11 |
| 38 | #define SNDRV_SEQ_EVENT_CHANPRESS 12 |
| 39 | #define SNDRV_SEQ_EVENT_PITCHBEND 13 /**< from -8192 to 8191 */ |
| 40 | #define SNDRV_SEQ_EVENT_CONTROL14 14 /**< 14 bit controller value */ |
| 41 | #define SNDRV_SEQ_EVENT_NONREGPARAM 15 /**< 14 bit NRPN address + 14 bit unsigned value */ |
| 42 | #define SNDRV_SEQ_EVENT_REGPARAM 16 /**< 14 bit RPN address + 14 bit unsigned value */ |
| 43 | |
| 44 | /** synchronisation messages |
| 45 | * event data type = #snd_seq_ev_ctrl |
| 46 | */ |
| 47 | #define SNDRV_SEQ_EVENT_SONGPOS 20 /* Song Position Pointer with LSB and MSB values */ |
| 48 | #define SNDRV_SEQ_EVENT_SONGSEL 21 /* Song Select with song ID number */ |
| 49 | #define SNDRV_SEQ_EVENT_QFRAME 22 /* midi time code quarter frame */ |
| 50 | #define SNDRV_SEQ_EVENT_TIMESIGN 23 /* SMF Time Signature event */ |
| 51 | #define SNDRV_SEQ_EVENT_KEYSIGN 24 /* SMF Key Signature event */ |
| 52 | |
| 53 | /** timer messages |
| 54 | * event data type = snd_seq_ev_queue_control |
| 55 | */ |
| 56 | #define SNDRV_SEQ_EVENT_START 30 /* midi Real Time Start message */ |
| 57 | #define SNDRV_SEQ_EVENT_CONTINUE 31 /* midi Real Time Continue message */ |
| 58 | #define SNDRV_SEQ_EVENT_STOP 32 /* midi Real Time Stop message */ |
| 59 | #define SNDRV_SEQ_EVENT_SETPOS_TICK 33 /* set tick queue position */ |
| 60 | #define SNDRV_SEQ_EVENT_SETPOS_TIME 34 /* set realtime queue position */ |
| 61 | #define SNDRV_SEQ_EVENT_TEMPO 35 /* (SMF) Tempo event */ |
| 62 | #define SNDRV_SEQ_EVENT_CLOCK 36 /* midi Real Time Clock message */ |
| 63 | #define SNDRV_SEQ_EVENT_TICK 37 /* midi Real Time Tick message */ |
| 64 | #define SNDRV_SEQ_EVENT_QUEUE_SKEW 38 /* skew queue tempo */ |
| 65 | |
| 66 | /** others |
| 67 | * event data type = none |
| 68 | */ |
| 69 | #define SNDRV_SEQ_EVENT_TUNE_REQUEST 40 /* tune request */ |
| 70 | #define SNDRV_SEQ_EVENT_RESET 41 /* reset to power-on state */ |
| 71 | #define SNDRV_SEQ_EVENT_SENSING 42 /* "active sensing" event */ |
| 72 | |
| 73 | /** echo back, kernel private messages |
| 74 | * event data type = any type |
| 75 | */ |
| 76 | #define SNDRV_SEQ_EVENT_ECHO 50 /* echo event */ |
| 77 | #define SNDRV_SEQ_EVENT_OSS 51 /* OSS raw event */ |
| 78 | |
| 79 | /** system status messages (broadcast for subscribers) |
| 80 | * event data type = snd_seq_addr |
| 81 | */ |
| 82 | #define SNDRV_SEQ_EVENT_CLIENT_START 60 /* new client has connected */ |
| 83 | #define SNDRV_SEQ_EVENT_CLIENT_EXIT 61 /* client has left the system */ |
| 84 | #define SNDRV_SEQ_EVENT_CLIENT_CHANGE 62 /* client status/info has changed */ |
| 85 | #define SNDRV_SEQ_EVENT_PORT_START 63 /* new port was created */ |
| 86 | #define SNDRV_SEQ_EVENT_PORT_EXIT 64 /* port was deleted from system */ |
| 87 | #define SNDRV_SEQ_EVENT_PORT_CHANGE 65 /* port status/info has changed */ |
| 88 | |
| 89 | /** port connection changes |
| 90 | * event data type = snd_seq_connect |
| 91 | */ |
| 92 | #define SNDRV_SEQ_EVENT_PORT_SUBSCRIBED 66 /* ports connected */ |
| 93 | #define SNDRV_SEQ_EVENT_PORT_UNSUBSCRIBED 67 /* ports disconnected */ |
| 94 | |
| 95 | /* 70-89: synthesizer events - obsoleted */ |
| 96 | |
| 97 | /** user-defined events with fixed length |
| 98 | * event data type = any |
| 99 | */ |
| 100 | #define SNDRV_SEQ_EVENT_USR0 90 |
| 101 | #define SNDRV_SEQ_EVENT_USR1 91 |
| 102 | #define SNDRV_SEQ_EVENT_USR2 92 |
| 103 | #define SNDRV_SEQ_EVENT_USR3 93 |
| 104 | #define SNDRV_SEQ_EVENT_USR4 94 |
| 105 | #define SNDRV_SEQ_EVENT_USR5 95 |
| 106 | #define SNDRV_SEQ_EVENT_USR6 96 |
| 107 | #define SNDRV_SEQ_EVENT_USR7 97 |
| 108 | #define SNDRV_SEQ_EVENT_USR8 98 |
| 109 | #define SNDRV_SEQ_EVENT_USR9 99 |
| 110 | |
| 111 | /* 100-118: instrument layer - obsoleted */ |
| 112 | /* 119-129: reserved */ |
| 113 | |
| 114 | /* 130-139: variable length events |
| 115 | * event data type = snd_seq_ev_ext |
| 116 | * (SNDRV_SEQ_EVENT_LENGTH_VARIABLE must be set) |
| 117 | */ |
| 118 | #define SNDRV_SEQ_EVENT_SYSEX 130 /* system exclusive data (variable length) */ |
| 119 | #define SNDRV_SEQ_EVENT_BOUNCE 131 /* error event */ |
| 120 | /* 132-134: reserved */ |
| 121 | #define SNDRV_SEQ_EVENT_USR_VAR0 135 |
| 122 | #define SNDRV_SEQ_EVENT_USR_VAR1 136 |
| 123 | #define SNDRV_SEQ_EVENT_USR_VAR2 137 |
| 124 | #define SNDRV_SEQ_EVENT_USR_VAR3 138 |
| 125 | #define SNDRV_SEQ_EVENT_USR_VAR4 139 |
| 126 | |
| 127 | /* 150-151: kernel events with quote - DO NOT use in user clients */ |
| 128 | #define SNDRV_SEQ_EVENT_KERNEL_ERROR 150 |
| 129 | #define SNDRV_SEQ_EVENT_KERNEL_QUOTE 151 /* obsolete */ |
| 130 | |
| 131 | /* 152-191: reserved */ |
| 132 | |
| 133 | /* 192-254: hardware specific events */ |
| 134 | |
| 135 | /* 255: special event */ |
| 136 | #define SNDRV_SEQ_EVENT_NONE 255 |
| 137 | |
| 138 | |
| 139 | typedef unsigned char snd_seq_event_type_t; |
| 140 | |
| 141 | /** event address */ |
| 142 | struct snd_seq_addr { |
| 143 | unsigned char client; /**< Client number: 0..255, 255 = broadcast to all clients */ |
| 144 | unsigned char port; /**< Port within client: 0..255, 255 = broadcast to all ports */ |
| 145 | }; |
| 146 | |
| 147 | /** port connection */ |
| 148 | struct snd_seq_connect { |
| 149 | struct snd_seq_addr sender; |
| 150 | struct snd_seq_addr dest; |
| 151 | }; |
| 152 | |
| 153 | |
| 154 | #define SNDRV_SEQ_ADDRESS_UNKNOWN 253 /* unknown source */ |
| 155 | #define SNDRV_SEQ_ADDRESS_SUBSCRIBERS 254 /* send event to all subscribed ports */ |
| 156 | #define SNDRV_SEQ_ADDRESS_BROADCAST 255 /* send event to all queues/clients/ports/channels */ |
| 157 | #define SNDRV_SEQ_QUEUE_DIRECT 253 /* direct dispatch */ |
| 158 | |
| 159 | /* event mode flag - NOTE: only 8 bits available! */ |
| 160 | #define SNDRV_SEQ_TIME_STAMP_TICK (0<<0) /* timestamp in clock ticks */ |
| 161 | #define SNDRV_SEQ_TIME_STAMP_REAL (1<<0) /* timestamp in real time */ |
| 162 | #define SNDRV_SEQ_TIME_STAMP_MASK (1<<0) |
| 163 | |
| 164 | #define SNDRV_SEQ_TIME_MODE_ABS (0<<1) /* absolute timestamp */ |
| 165 | #define SNDRV_SEQ_TIME_MODE_REL (1<<1) /* relative to current time */ |
| 166 | #define SNDRV_SEQ_TIME_MODE_MASK (1<<1) |
| 167 | |
| 168 | #define SNDRV_SEQ_EVENT_LENGTH_FIXED (0<<2) /* fixed event size */ |
| 169 | #define SNDRV_SEQ_EVENT_LENGTH_VARIABLE (1<<2) /* variable event size */ |
| 170 | #define SNDRV_SEQ_EVENT_LENGTH_VARUSR (2<<2) /* variable event size - user memory space */ |
| 171 | #define SNDRV_SEQ_EVENT_LENGTH_MASK (3<<2) |
| 172 | |
| 173 | #define SNDRV_SEQ_PRIORITY_NORMAL (0<<4) /* normal priority */ |
| 174 | #define SNDRV_SEQ_PRIORITY_HIGH (1<<4) /* event should be processed before others */ |
| 175 | #define SNDRV_SEQ_PRIORITY_MASK (1<<4) |
| 176 | |
| 177 | #define SNDRV_SEQ_EVENT_UMP (1<<5) /* event holds a UMP packet */ |
| 178 | |
| 179 | /* note event */ |
| 180 | struct snd_seq_ev_note { |
| 181 | unsigned char channel; |
| 182 | unsigned char note; |
| 183 | unsigned char velocity; |
| 184 | unsigned char off_velocity; /* only for SNDRV_SEQ_EVENT_NOTE */ |
| 185 | unsigned int duration; /* only for SNDRV_SEQ_EVENT_NOTE */ |
| 186 | }; |
| 187 | |
| 188 | /* controller event */ |
| 189 | struct snd_seq_ev_ctrl { |
| 190 | unsigned char channel; |
| 191 | unsigned char unused1, unused2, unused3; /* pad */ |
| 192 | unsigned int param; |
| 193 | signed int value; |
| 194 | }; |
| 195 | |
| 196 | /* generic set of bytes (12x8 bit) */ |
| 197 | struct snd_seq_ev_raw8 { |
| 198 | unsigned char d[12]; /* 8 bit value */ |
| 199 | }; |
| 200 | |
| 201 | /* generic set of integers (3x32 bit) */ |
| 202 | struct snd_seq_ev_raw32 { |
| 203 | unsigned int d[3]; /* 32 bit value */ |
| 204 | }; |
| 205 | |
| 206 | /* external stored data */ |
| 207 | struct snd_seq_ev_ext { |
| 208 | unsigned int len; /* length of data */ |
| 209 | void *ptr; /* pointer to data (note: maybe 64-bit) */ |
| 210 | } __packed; |
| 211 | |
| 212 | struct snd_seq_result { |
| 213 | int event; /* processed event type */ |
| 214 | int result; |
| 215 | }; |
| 216 | |
| 217 | |
| 218 | struct snd_seq_real_time { |
| 219 | unsigned int tv_sec; /* seconds */ |
| 220 | unsigned int tv_nsec; /* nanoseconds */ |
| 221 | }; |
| 222 | |
| 223 | typedef unsigned int snd_seq_tick_time_t; /* midi ticks */ |
| 224 | |
| 225 | union snd_seq_timestamp { |
| 226 | snd_seq_tick_time_t tick; |
| 227 | struct snd_seq_real_time time; |
| 228 | }; |
| 229 | |
| 230 | struct snd_seq_queue_skew { |
| 231 | unsigned int value; |
| 232 | unsigned int base; |
| 233 | }; |
| 234 | |
| 235 | /* queue timer control */ |
| 236 | struct snd_seq_ev_queue_control { |
| 237 | unsigned char queue; /* affected queue */ |
| 238 | unsigned char pad[3]; /* reserved */ |
| 239 | union { |
| 240 | signed int value; /* affected value (e.g. tempo) */ |
| 241 | union snd_seq_timestamp time; /* time */ |
| 242 | unsigned int position; /* sync position */ |
| 243 | struct snd_seq_queue_skew skew; |
| 244 | unsigned int d32[2]; |
| 245 | unsigned char d8[8]; |
| 246 | } param; |
| 247 | }; |
| 248 | |
| 249 | /* quoted event - inside the kernel only */ |
| 250 | struct snd_seq_ev_quote { |
| 251 | struct snd_seq_addr origin; /* original sender */ |
| 252 | unsigned short value; /* optional data */ |
| 253 | struct snd_seq_event *event; /* quoted event */ |
| 254 | } __packed; |
| 255 | |
| 256 | union snd_seq_event_data { /* event data... */ |
| 257 | struct snd_seq_ev_note note; |
| 258 | struct snd_seq_ev_ctrl control; |
| 259 | struct snd_seq_ev_raw8 raw8; |
| 260 | struct snd_seq_ev_raw32 raw32; |
| 261 | struct snd_seq_ev_ext ext; |
| 262 | struct snd_seq_ev_queue_control queue; |
| 263 | union snd_seq_timestamp time; |
| 264 | struct snd_seq_addr addr; |
| 265 | struct snd_seq_connect connect; |
| 266 | struct snd_seq_result result; |
| 267 | struct snd_seq_ev_quote quote; |
| 268 | }; |
| 269 | |
| 270 | /* sequencer event */ |
| 271 | struct snd_seq_event { |
| 272 | snd_seq_event_type_t type; /* event type */ |
| 273 | unsigned char flags; /* event flags */ |
| 274 | char tag; |
| 275 | |
| 276 | unsigned char queue; /* schedule queue */ |
| 277 | union snd_seq_timestamp time; /* schedule time */ |
| 278 | |
| 279 | struct snd_seq_addr source; /* source address */ |
| 280 | struct snd_seq_addr dest; /* destination address */ |
| 281 | |
| 282 | union snd_seq_event_data data; |
| 283 | }; |
| 284 | |
| 285 | /* (compatible) event for UMP-capable clients */ |
| 286 | struct snd_seq_ump_event { |
| 287 | snd_seq_event_type_t type; /* event type */ |
| 288 | unsigned char flags; /* event flags */ |
| 289 | char tag; |
| 290 | unsigned char queue; /* schedule queue */ |
| 291 | union snd_seq_timestamp time; /* schedule time */ |
| 292 | struct snd_seq_addr source; /* source address */ |
| 293 | struct snd_seq_addr dest; /* destination address */ |
| 294 | |
| 295 | union { |
| 296 | union snd_seq_event_data data; |
| 297 | unsigned int ump[4]; |
| 298 | }; |
| 299 | }; |
| 300 | |
| 301 | /* |
| 302 | * bounce event - stored as variable size data |
| 303 | */ |
| 304 | struct snd_seq_event_bounce { |
| 305 | int err; |
| 306 | struct snd_seq_event event; |
| 307 | /* external data follows here. */ |
| 308 | }; |
| 309 | |
| 310 | |
| 311 | /* system information */ |
| 312 | struct snd_seq_system_info { |
| 313 | int queues; /* maximum queues count */ |
| 314 | int clients; /* maximum clients count */ |
| 315 | int ports; /* maximum ports per client */ |
| 316 | int channels; /* maximum channels per port */ |
| 317 | int cur_clients; /* current clients */ |
| 318 | int cur_queues; /* current queues */ |
| 319 | char reserved[24]; |
| 320 | }; |
| 321 | |
| 322 | |
| 323 | /* system running information */ |
| 324 | struct snd_seq_running_info { |
| 325 | unsigned char client; /* client id */ |
| 326 | unsigned char big_endian; /* 1 = big-endian */ |
| 327 | unsigned char cpu_mode; /* 4 = 32bit, 8 = 64bit */ |
| 328 | unsigned char pad; /* reserved */ |
| 329 | unsigned char reserved[12]; |
| 330 | }; |
| 331 | |
| 332 | |
| 333 | /* known client numbers */ |
| 334 | #define SNDRV_SEQ_CLIENT_SYSTEM 0 |
| 335 | /* internal client numbers */ |
| 336 | #define SNDRV_SEQ_CLIENT_DUMMY 14 /* midi through */ |
| 337 | #define SNDRV_SEQ_CLIENT_OSS 15 /* oss sequencer emulator */ |
| 338 | |
| 339 | |
| 340 | /* client types */ |
| 341 | typedef int __bitwise snd_seq_client_type_t; |
| 342 | #define NO_CLIENT ((__force snd_seq_client_type_t) 0) |
| 343 | #define USER_CLIENT ((__force snd_seq_client_type_t) 1) |
| 344 | #define KERNEL_CLIENT ((__force snd_seq_client_type_t) 2) |
| 345 | |
| 346 | /* event filter flags */ |
| 347 | #define SNDRV_SEQ_FILTER_BROADCAST (1U<<0) /* accept broadcast messages */ |
| 348 | #define SNDRV_SEQ_FILTER_MULTICAST (1U<<1) /* accept multicast messages */ |
| 349 | #define SNDRV_SEQ_FILTER_BOUNCE (1U<<2) /* accept bounce event in error */ |
| 350 | #define SNDRV_SEQ_FILTER_NO_CONVERT (1U<<30) /* don't convert UMP events */ |
| 351 | #define SNDRV_SEQ_FILTER_USE_EVENT (1U<<31) /* use event filter */ |
| 352 | |
| 353 | struct snd_seq_client_info { |
| 354 | int client; /* client number to inquire */ |
| 355 | snd_seq_client_type_t type; /* client type */ |
| 356 | char name[64]; /* client name */ |
| 357 | unsigned int filter; /* filter flags */ |
| 358 | unsigned char multicast_filter[8]; /* multicast filter bitmap */ |
| 359 | unsigned char event_filter[32]; /* event filter bitmap */ |
| 360 | int num_ports; /* RO: number of ports */ |
| 361 | int event_lost; /* number of lost events */ |
| 362 | int card; /* RO: card number[kernel] */ |
| 363 | int pid; /* RO: pid[user] */ |
| 364 | unsigned int midi_version; /* MIDI version */ |
| 365 | unsigned int group_filter; /* UMP group filter bitmap |
| 366 | * (bit 0 = groupless messages, |
| 367 | * bit 1-16 = messages for groups 1-16) |
| 368 | */ |
| 369 | char reserved[48]; /* for future use */ |
| 370 | }; |
| 371 | |
| 372 | /* MIDI version numbers in client info */ |
| 373 | #define SNDRV_SEQ_CLIENT_LEGACY_MIDI 0 /* Legacy client */ |
| 374 | #define SNDRV_SEQ_CLIENT_UMP_MIDI_1_0 1 /* UMP MIDI 1.0 */ |
| 375 | #define SNDRV_SEQ_CLIENT_UMP_MIDI_2_0 2 /* UMP MIDI 2.0 */ |
| 376 | |
| 377 | /* client pool size */ |
| 378 | struct snd_seq_client_pool { |
| 379 | int client; /* client number to inquire */ |
| 380 | int output_pool; /* outgoing (write) pool size */ |
| 381 | int input_pool; /* incoming (read) pool size */ |
| 382 | int output_room; /* minimum free pool size for select/blocking mode */ |
| 383 | int output_free; /* unused size */ |
| 384 | int input_free; /* unused size */ |
| 385 | char reserved[64]; |
| 386 | }; |
| 387 | |
| 388 | |
| 389 | /* Remove events by specified criteria */ |
| 390 | |
| 391 | #define SNDRV_SEQ_REMOVE_INPUT (1<<0) /* Flush input queues */ |
| 392 | #define SNDRV_SEQ_REMOVE_OUTPUT (1<<1) /* Flush output queues */ |
| 393 | #define SNDRV_SEQ_REMOVE_DEST (1<<2) /* Restrict by destination q:client:port */ |
| 394 | #define SNDRV_SEQ_REMOVE_DEST_CHANNEL (1<<3) /* Restrict by channel */ |
| 395 | #define SNDRV_SEQ_REMOVE_TIME_BEFORE (1<<4) /* Restrict to before time */ |
| 396 | #define SNDRV_SEQ_REMOVE_TIME_AFTER (1<<5) /* Restrict to time or after */ |
| 397 | #define SNDRV_SEQ_REMOVE_TIME_TICK (1<<6) /* Time is in ticks */ |
| 398 | #define SNDRV_SEQ_REMOVE_EVENT_TYPE (1<<7) /* Restrict to event type */ |
| 399 | #define SNDRV_SEQ_REMOVE_IGNORE_OFF (1<<8) /* Do not flush off events */ |
| 400 | #define SNDRV_SEQ_REMOVE_TAG_MATCH (1<<9) /* Restrict to events with given tag */ |
| 401 | |
| 402 | struct snd_seq_remove_events { |
| 403 | unsigned int remove_mode; /* Flags that determine what gets removed */ |
| 404 | |
| 405 | union snd_seq_timestamp time; |
| 406 | |
| 407 | unsigned char queue; /* Queue for REMOVE_DEST */ |
| 408 | struct snd_seq_addr dest; /* Address for REMOVE_DEST */ |
| 409 | unsigned char channel; /* Channel for REMOVE_DEST */ |
| 410 | |
| 411 | int type; /* For REMOVE_EVENT_TYPE */ |
| 412 | char tag; /* Tag for REMOVE_TAG */ |
| 413 | |
| 414 | int reserved[10]; /* To allow for future binary compatibility */ |
| 415 | |
| 416 | }; |
| 417 | |
| 418 | |
| 419 | /* known port numbers */ |
| 420 | #define SNDRV_SEQ_PORT_SYSTEM_TIMER 0 |
| 421 | #define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE 1 |
| 422 | |
| 423 | /* port capabilities (32 bits) */ |
| 424 | #define SNDRV_SEQ_PORT_CAP_READ (1<<0) /* readable from this port */ |
| 425 | #define SNDRV_SEQ_PORT_CAP_WRITE (1<<1) /* writable to this port */ |
| 426 | |
| 427 | #define SNDRV_SEQ_PORT_CAP_SYNC_READ (1<<2) |
| 428 | #define SNDRV_SEQ_PORT_CAP_SYNC_WRITE (1<<3) |
| 429 | |
| 430 | #define SNDRV_SEQ_PORT_CAP_DUPLEX (1<<4) |
| 431 | |
| 432 | #define SNDRV_SEQ_PORT_CAP_SUBS_READ (1<<5) /* allow read subscription */ |
| 433 | #define SNDRV_SEQ_PORT_CAP_SUBS_WRITE (1<<6) /* allow write subscription */ |
| 434 | #define SNDRV_SEQ_PORT_CAP_NO_EXPORT (1<<7) /* routing not allowed */ |
| 435 | #define SNDRV_SEQ_PORT_CAP_INACTIVE (1<<8) /* inactive port */ |
| 436 | #define SNDRV_SEQ_PORT_CAP_UMP_ENDPOINT (1<<9) /* MIDI 2.0 UMP Endpoint port */ |
| 437 | |
| 438 | /* port type */ |
| 439 | #define SNDRV_SEQ_PORT_TYPE_SPECIFIC (1<<0) /* hardware specific */ |
| 440 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */ |
| 441 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM (1<<2) /* General MIDI compatible device */ |
| 442 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GS (1<<3) /* GS compatible device */ |
| 443 | #define SNDRV_SEQ_PORT_TYPE_MIDI_XG (1<<4) /* XG compatible device */ |
| 444 | #define SNDRV_SEQ_PORT_TYPE_MIDI_MT32 (1<<5) /* MT-32 compatible device */ |
| 445 | #define SNDRV_SEQ_PORT_TYPE_MIDI_GM2 (1<<6) /* General MIDI 2 compatible device */ |
| 446 | #define SNDRV_SEQ_PORT_TYPE_MIDI_UMP (1<<7) /* UMP */ |
| 447 | |
| 448 | /* other standards...*/ |
| 449 | #define SNDRV_SEQ_PORT_TYPE_SYNTH (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */ |
| 450 | #define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11) /* Sampling device (support sample download) */ |
| 451 | #define SNDRV_SEQ_PORT_TYPE_SAMPLE (1<<12) /* Sampling device (sample can be downloaded at any time) */ |
| 452 | /*...*/ |
| 453 | #define SNDRV_SEQ_PORT_TYPE_HARDWARE (1<<16) /* driver for a hardware device */ |
| 454 | #define SNDRV_SEQ_PORT_TYPE_SOFTWARE (1<<17) /* implemented in software */ |
| 455 | #define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */ |
| 456 | #define SNDRV_SEQ_PORT_TYPE_PORT (1<<19) /* connects to other device(s) */ |
| 457 | #define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */ |
| 458 | |
| 459 | /* misc. conditioning flags */ |
| 460 | #define SNDRV_SEQ_PORT_FLG_GIVEN_PORT (1<<0) |
| 461 | #define SNDRV_SEQ_PORT_FLG_TIMESTAMP (1<<1) |
| 462 | #define SNDRV_SEQ_PORT_FLG_TIME_REAL (1<<2) |
| 463 | |
| 464 | /* port direction */ |
| 465 | #define SNDRV_SEQ_PORT_DIR_UNKNOWN 0 |
| 466 | #define SNDRV_SEQ_PORT_DIR_INPUT 1 |
| 467 | #define SNDRV_SEQ_PORT_DIR_OUTPUT 2 |
| 468 | #define SNDRV_SEQ_PORT_DIR_BIDIRECTION 3 |
| 469 | |
| 470 | struct snd_seq_port_info { |
| 471 | struct snd_seq_addr addr; /* client/port numbers */ |
| 472 | char name[64]; /* port name */ |
| 473 | |
| 474 | unsigned int capability; /* port capability bits */ |
| 475 | unsigned int type; /* port type bits */ |
| 476 | int midi_channels; /* channels per MIDI port */ |
| 477 | int midi_voices; /* voices per MIDI port */ |
| 478 | int synth_voices; /* voices per SYNTH port */ |
| 479 | |
| 480 | int read_use; /* R/O: subscribers for output (from this port) */ |
| 481 | int write_use; /* R/O: subscribers for input (to this port) */ |
| 482 | |
| 483 | void *kernel; /* reserved for kernel use (must be NULL) */ |
| 484 | unsigned int flags; /* misc. conditioning */ |
| 485 | unsigned char time_queue; /* queue # for timestamping */ |
| 486 | unsigned char direction; /* port usage direction (r/w/bidir) */ |
| 487 | unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group number */ |
| 488 | char reserved[57]; /* for future use */ |
| 489 | }; |
| 490 | |
| 491 | |
| 492 | /* queue flags */ |
| 493 | #define SNDRV_SEQ_QUEUE_FLG_SYNC (1<<0) /* sync enabled */ |
| 494 | |
| 495 | /* queue information */ |
| 496 | struct snd_seq_queue_info { |
| 497 | int queue; /* queue id */ |
| 498 | |
| 499 | /* |
| 500 | * security settings, only owner of this queue can start/stop timer |
| 501 | * etc. if the queue is locked for other clients |
| 502 | */ |
| 503 | int owner; /* client id for owner of the queue */ |
| 504 | unsigned locked:1; /* timing queue locked for other queues */ |
| 505 | char name[64]; /* name of this queue */ |
| 506 | unsigned int flags; /* flags */ |
| 507 | char reserved[60]; /* for future use */ |
| 508 | |
| 509 | }; |
| 510 | |
| 511 | /* queue info/status */ |
| 512 | struct snd_seq_queue_status { |
| 513 | int queue; /* queue id */ |
| 514 | int events; /* read-only - queue size */ |
| 515 | snd_seq_tick_time_t tick; /* current tick */ |
| 516 | struct snd_seq_real_time time; /* current time */ |
| 517 | int running; /* running state of queue */ |
| 518 | int flags; /* various flags */ |
| 519 | char reserved[64]; /* for the future */ |
| 520 | }; |
| 521 | |
| 522 | |
| 523 | /* queue tempo */ |
| 524 | struct snd_seq_queue_tempo { |
| 525 | int queue; /* sequencer queue */ |
| 526 | unsigned int tempo; /* current tempo, us/tick */ |
| 527 | int ppq; /* time resolution, ticks/quarter */ |
| 528 | unsigned int skew_value; /* queue skew */ |
| 529 | unsigned int skew_base; /* queue skew base */ |
| 530 | char reserved[24]; /* for the future */ |
| 531 | }; |
| 532 | |
| 533 | |
| 534 | /* sequencer timer sources */ |
| 535 | #define SNDRV_SEQ_TIMER_ALSA 0 /* ALSA timer */ |
| 536 | #define SNDRV_SEQ_TIMER_MIDI_CLOCK 1 /* Midi Clock (CLOCK event) */ |
| 537 | #define SNDRV_SEQ_TIMER_MIDI_TICK 2 /* Midi Timer Tick (TICK event) */ |
| 538 | |
| 539 | /* queue timer info */ |
| 540 | struct snd_seq_queue_timer { |
| 541 | int queue; /* sequencer queue */ |
| 542 | int type; /* source timer type */ |
| 543 | union { |
| 544 | struct { |
| 545 | struct snd_timer_id id; /* ALSA's timer ID */ |
| 546 | unsigned int resolution; /* resolution in Hz */ |
| 547 | } alsa; |
| 548 | } u; |
| 549 | char reserved[64]; /* for the future use */ |
| 550 | }; |
| 551 | |
| 552 | |
| 553 | struct snd_seq_queue_client { |
| 554 | int queue; /* sequencer queue */ |
| 555 | int client; /* sequencer client */ |
| 556 | int used; /* queue is used with this client |
| 557 | (must be set for accepting events) */ |
| 558 | /* per client watermarks */ |
| 559 | char reserved[64]; /* for future use */ |
| 560 | }; |
| 561 | |
| 562 | |
| 563 | #define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE (1<<0) /* exclusive connection */ |
| 564 | #define SNDRV_SEQ_PORT_SUBS_TIMESTAMP (1<<1) |
| 565 | #define SNDRV_SEQ_PORT_SUBS_TIME_REAL (1<<2) |
| 566 | |
| 567 | struct snd_seq_port_subscribe { |
| 568 | struct snd_seq_addr sender; /* sender address */ |
| 569 | struct snd_seq_addr dest; /* destination address */ |
| 570 | unsigned int voices; /* number of voices to be allocated (0 = don't care) */ |
| 571 | unsigned int flags; /* modes */ |
| 572 | unsigned char queue; /* input time-stamp queue (optional) */ |
| 573 | unsigned char pad[3]; /* reserved */ |
| 574 | char reserved[64]; |
| 575 | }; |
| 576 | |
| 577 | /* type of query subscription */ |
| 578 | #define SNDRV_SEQ_QUERY_SUBS_READ 0 |
| 579 | #define SNDRV_SEQ_QUERY_SUBS_WRITE 1 |
| 580 | |
| 581 | struct snd_seq_query_subs { |
| 582 | struct snd_seq_addr root; /* client/port id to be searched */ |
| 583 | int type; /* READ or WRITE */ |
| 584 | int index; /* 0..N-1 */ |
| 585 | int num_subs; /* R/O: number of subscriptions on this port */ |
| 586 | struct snd_seq_addr addr; /* R/O: result */ |
| 587 | unsigned char queue; /* R/O: result */ |
| 588 | unsigned int flags; /* R/O: result */ |
| 589 | char reserved[64]; /* for future use */ |
| 590 | }; |
| 591 | |
| 592 | /* |
| 593 | * UMP-specific information |
| 594 | */ |
| 595 | /* type of UMP info query */ |
| 596 | #define SNDRV_SEQ_CLIENT_UMP_INFO_ENDPOINT 0 |
| 597 | #define SNDRV_SEQ_CLIENT_UMP_INFO_BLOCK 1 |
| 598 | |
| 599 | struct snd_seq_client_ump_info { |
| 600 | int client; /* client number to inquire/set */ |
| 601 | int type; /* type to inquire/set */ |
| 602 | unsigned char info[512]; /* info (either UMP ep or block info) */ |
| 603 | } __packed; |
| 604 | |
| 605 | /* |
| 606 | * IOCTL commands |
| 607 | */ |
| 608 | |
| 609 | #define SNDRV_SEQ_IOCTL_PVERSION _IOR ('S', 0x00, int) |
| 610 | #define SNDRV_SEQ_IOCTL_CLIENT_ID _IOR ('S', 0x01, int) |
| 611 | #define SNDRV_SEQ_IOCTL_SYSTEM_INFO _IOWR('S', 0x02, struct snd_seq_system_info) |
| 612 | #define SNDRV_SEQ_IOCTL_RUNNING_MODE _IOWR('S', 0x03, struct snd_seq_running_info) |
| 613 | #define SNDRV_SEQ_IOCTL_USER_PVERSION _IOW('S', 0x04, int) |
| 614 | |
| 615 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info) |
| 616 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info) |
| 617 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_UMP_INFO _IOWR('S', 0x12, struct snd_seq_client_ump_info) |
| 618 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_UMP_INFO _IOWR('S', 0x13, struct snd_seq_client_ump_info) |
| 619 | |
| 620 | #define SNDRV_SEQ_IOCTL_CREATE_PORT _IOWR('S', 0x20, struct snd_seq_port_info) |
| 621 | #define SNDRV_SEQ_IOCTL_DELETE_PORT _IOW ('S', 0x21, struct snd_seq_port_info) |
| 622 | #define SNDRV_SEQ_IOCTL_GET_PORT_INFO _IOWR('S', 0x22, struct snd_seq_port_info) |
| 623 | #define SNDRV_SEQ_IOCTL_SET_PORT_INFO _IOW ('S', 0x23, struct snd_seq_port_info) |
| 624 | |
| 625 | #define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT _IOW ('S', 0x30, struct snd_seq_port_subscribe) |
| 626 | #define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe) |
| 627 | |
| 628 | #define SNDRV_SEQ_IOCTL_CREATE_QUEUE _IOWR('S', 0x32, struct snd_seq_queue_info) |
| 629 | #define SNDRV_SEQ_IOCTL_DELETE_QUEUE _IOW ('S', 0x33, struct snd_seq_queue_info) |
| 630 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO _IOWR('S', 0x34, struct snd_seq_queue_info) |
| 631 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO _IOWR('S', 0x35, struct snd_seq_queue_info) |
| 632 | #define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info) |
| 633 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status) |
| 634 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo) |
| 635 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo) |
| 636 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer) |
| 637 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer) |
| 638 | #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT _IOWR('S', 0x49, struct snd_seq_queue_client) |
| 639 | #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT _IOW ('S', 0x4a, struct snd_seq_queue_client) |
| 640 | #define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool) |
| 641 | #define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool) |
| 642 | #define SNDRV_SEQ_IOCTL_REMOVE_EVENTS _IOW ('S', 0x4e, struct snd_seq_remove_events) |
| 643 | #define SNDRV_SEQ_IOCTL_QUERY_SUBS _IOWR('S', 0x4f, struct snd_seq_query_subs) |
| 644 | #define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION _IOWR('S', 0x50, struct snd_seq_port_subscribe) |
| 645 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT _IOWR('S', 0x51, struct snd_seq_client_info) |
| 646 | #define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info) |
| 647 | |
| 648 | #endif /* _UAPI__SOUND_ASEQUENCER_H */ |
| 649 |
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