LXR linux/include/uapi/sound/asequencer.h

   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
  26/** version of the sequencer */
  27#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2)
  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
 153typedef unsigned char snd_seq_event_type_t;
 154
 155/** event address */
 156struct 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 */
 162struct 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 */
 193struct 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 */
 202struct 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) */
 210struct snd_seq_ev_raw8 {
 211        unsigned char d[12];    /* 8 bit value */
 212};
 213
 214        /* generic set of integers (3x32 bit) */
 215struct snd_seq_ev_raw32 {
 216        unsigned int d[3];      /* 32 bit value */
 217};
 218
 219        /* external stored data */
 220struct 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
 225struct snd_seq_result {
 226        int event;              /* processed event type */
 227        int result;
 228};
 229
 230
 231struct snd_seq_real_time {
 232        unsigned int tv_sec;    /* seconds */
 233        unsigned int tv_nsec;   /* nanoseconds */
 234};
 235
 236typedef unsigned int snd_seq_tick_time_t;       /* midi ticks */
 237
 238union snd_seq_timestamp {
 239        snd_seq_tick_time_t tick;
 240        struct snd_seq_real_time time;
 241};
 242
 243struct snd_seq_queue_skew {
 244        unsigned int value;
 245        unsigned int base;
 246};
 247
 248        /* queue timer control */
 249struct 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 */
 263struct 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 */
 271struct 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 */
 302struct snd_seq_event_bounce {
 303        int err;
 304        struct snd_seq_event event;
 305        /* external data follows here. */
 306};
 307
 308
 309        /* system information */
 310struct 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 */
 322struct 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 */
 339typedef int __bitwise snd_seq_client_type_t;
 340#define NO_CLIENT       ((__force snd_seq_client_type_t) 0)
 341#define USER_CLIENT     ((__force snd_seq_client_type_t) 1)
 342#define KERNEL_CLIENT   ((__force 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
 350struct 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        int card;                       /* RO: card number[kernel] */
 360        int pid;                        /* RO: pid[user] */
 361        char reserved[56];              /* for future use */
 362};
 363
 364
 365/* client pool size */
 366struct snd_seq_client_pool {
 367        int client;                     /* client number to inquire */
 368        int output_pool;                /* outgoing (write) pool size */
 369        int input_pool;                 /* incoming (read) pool size */
 370        int output_room;                /* minimum free pool size for select/blocking mode */
 371        int output_free;                /* unused size */
 372        int input_free;                 /* unused size */
 373        char reserved[64];
 374};
 375
 376
 377/* Remove events by specified criteria */
 378
 379#define SNDRV_SEQ_REMOVE_INPUT          (1<<0)  /* Flush input queues */
 380#define SNDRV_SEQ_REMOVE_OUTPUT         (1<<1)  /* Flush output queues */
 381#define SNDRV_SEQ_REMOVE_DEST           (1<<2)  /* Restrict by destination q:client:port */
 382#define SNDRV_SEQ_REMOVE_DEST_CHANNEL   (1<<3)  /* Restrict by channel */
 383#define SNDRV_SEQ_REMOVE_TIME_BEFORE    (1<<4)  /* Restrict to before time */
 384#define SNDRV_SEQ_REMOVE_TIME_AFTER     (1<<5)  /* Restrict to time or after */
 385#define SNDRV_SEQ_REMOVE_TIME_TICK      (1<<6)  /* Time is in ticks */
 386#define SNDRV_SEQ_REMOVE_EVENT_TYPE     (1<<7)  /* Restrict to event type */
 387#define SNDRV_SEQ_REMOVE_IGNORE_OFF     (1<<8)  /* Do not flush off events */
 388#define SNDRV_SEQ_REMOVE_TAG_MATCH      (1<<9)  /* Restrict to events with given tag */
 389
 390struct snd_seq_remove_events {
 391        unsigned int  remove_mode;      /* Flags that determine what gets removed */
 392
 393        union snd_seq_timestamp time;
 394
 395        unsigned char queue;    /* Queue for REMOVE_DEST */
 396        struct snd_seq_addr dest;       /* Address for REMOVE_DEST */
 397        unsigned char channel;  /* Channel for REMOVE_DEST */
 398
 399        int  type;      /* For REMOVE_EVENT_TYPE */
 400        char  tag;      /* Tag for REMOVE_TAG */
 401
 402        int  reserved[10];      /* To allow for future binary compatibility */
 403
 404};
 405
 406
 407        /* known port numbers */
 408#define SNDRV_SEQ_PORT_SYSTEM_TIMER     0
 409#define SNDRV_SEQ_PORT_SYSTEM_ANNOUNCE  1
 410
 411        /* port capabilities (32 bits) */
 412#define SNDRV_SEQ_PORT_CAP_READ         (1<<0)  /* readable from this port */
 413#define SNDRV_SEQ_PORT_CAP_WRITE        (1<<1)  /* writable to this port */
 414
 415#define SNDRV_SEQ_PORT_CAP_SYNC_READ    (1<<2)
 416#define SNDRV_SEQ_PORT_CAP_SYNC_WRITE   (1<<3)
 417
 418#define SNDRV_SEQ_PORT_CAP_DUPLEX       (1<<4)
 419
 420#define SNDRV_SEQ_PORT_CAP_SUBS_READ    (1<<5)  /* allow read subscription */
 421#define SNDRV_SEQ_PORT_CAP_SUBS_WRITE   (1<<6)  /* allow write subscription */
 422#define SNDRV_SEQ_PORT_CAP_NO_EXPORT    (1<<7)  /* routing not allowed */
 423
 424        /* port type */
 425#define SNDRV_SEQ_PORT_TYPE_SPECIFIC    (1<<0)  /* hardware specific */
 426#define SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC (1<<1) /* generic MIDI device */
 427#define SNDRV_SEQ_PORT_TYPE_MIDI_GM     (1<<2)  /* General MIDI compatible device */
 428#define SNDRV_SEQ_PORT_TYPE_MIDI_GS     (1<<3)  /* GS compatible device */
 429#define SNDRV_SEQ_PORT_TYPE_MIDI_XG     (1<<4)  /* XG compatible device */
 430#define SNDRV_SEQ_PORT_TYPE_MIDI_MT32   (1<<5)  /* MT-32 compatible device */
 431#define SNDRV_SEQ_PORT_TYPE_MIDI_GM2    (1<<6)  /* General MIDI 2 compatible device */
 432
 433/* other standards...*/
 434#define SNDRV_SEQ_PORT_TYPE_SYNTH       (1<<10) /* Synth device (no MIDI compatible - direct wavetable) */
 435#define SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE (1<<11)       /* Sampling device (support sample download) */
 436#define SNDRV_SEQ_PORT_TYPE_SAMPLE      (1<<12) /* Sampling device (sample can be downloaded at any time) */
 437/*...*/
 438#define SNDRV_SEQ_PORT_TYPE_HARDWARE    (1<<16) /* driver for a hardware device */
 439#define SNDRV_SEQ_PORT_TYPE_SOFTWARE    (1<<17) /* implemented in software */
 440#define SNDRV_SEQ_PORT_TYPE_SYNTHESIZER (1<<18) /* generates sound */
 441#define SNDRV_SEQ_PORT_TYPE_PORT        (1<<19) /* connects to other device(s) */
 442#define SNDRV_SEQ_PORT_TYPE_APPLICATION (1<<20) /* application (sequencer/editor) */
 443
 444/* misc. conditioning flags */
 445#define SNDRV_SEQ_PORT_FLG_GIVEN_PORT   (1<<0)
 446#define SNDRV_SEQ_PORT_FLG_TIMESTAMP    (1<<1)
 447#define SNDRV_SEQ_PORT_FLG_TIME_REAL    (1<<2)
 448
 449struct snd_seq_port_info {
 450        struct snd_seq_addr addr;       /* client/port numbers */
 451        char name[64];                  /* port name */
 452
 453        unsigned int capability;        /* port capability bits */
 454        unsigned int type;              /* port type bits */
 455        int midi_channels;              /* channels per MIDI port */
 456        int midi_voices;                /* voices per MIDI port */
 457        int synth_voices;               /* voices per SYNTH port */
 458
 459        int read_use;                   /* R/O: subscribers for output (from this port) */
 460        int write_use;                  /* R/O: subscribers for input (to this port) */
 461
 462        void *kernel;                   /* reserved for kernel use (must be NULL) */
 463        unsigned int flags;             /* misc. conditioning */
 464        unsigned char time_queue;       /* queue # for timestamping */
 465        char reserved[59];              /* for future use */
 466};
 467
 468
 469/* queue flags */
 470#define SNDRV_SEQ_QUEUE_FLG_SYNC        (1<<0)  /* sync enabled */
 471
 472/* queue information */
 473struct snd_seq_queue_info {
 474        int queue;              /* queue id */
 475
 476        /*
 477         *  security settings, only owner of this queue can start/stop timer
 478         *  etc. if the queue is locked for other clients
 479         */
 480        int owner;              /* client id for owner of the queue */
 481        unsigned locked:1;      /* timing queue locked for other queues */
 482        char name[64];          /* name of this queue */
 483        unsigned int flags;     /* flags */
 484        char reserved[60];      /* for future use */
 485
 486};
 487
 488/* queue info/status */
 489struct snd_seq_queue_status {
 490        int queue;                      /* queue id */
 491        int events;                     /* read-only - queue size */
 492        snd_seq_tick_time_t tick;       /* current tick */
 493        struct snd_seq_real_time time;  /* current time */
 494        int running;                    /* running state of queue */
 495        int flags;                      /* various flags */
 496        char reserved[64];              /* for the future */
 497};
 498
 499
 500/* queue tempo */
 501struct snd_seq_queue_tempo {
 502        int queue;                      /* sequencer queue */
 503        unsigned int tempo;             /* current tempo, us/tick */
 504        int ppq;                        /* time resolution, ticks/quarter */
 505        unsigned int skew_value;        /* queue skew */
 506        unsigned int skew_base;         /* queue skew base */
 507        char reserved[24];              /* for the future */
 508};
 509
 510
 511/* sequencer timer sources */
 512#define SNDRV_SEQ_TIMER_ALSA            0       /* ALSA timer */
 513#define SNDRV_SEQ_TIMER_MIDI_CLOCK      1       /* Midi Clock (CLOCK event) */
 514#define SNDRV_SEQ_TIMER_MIDI_TICK       2       /* Midi Timer Tick (TICK event) */
 515
 516/* queue timer info */
 517struct snd_seq_queue_timer {
 518        int queue;                      /* sequencer queue */
 519        int type;                       /* source timer type */
 520        union {
 521                struct {
 522                        struct snd_timer_id id; /* ALSA's timer ID */
 523                        unsigned int resolution;        /* resolution in Hz */
 524                } alsa;
 525        } u;
 526        char reserved[64];              /* for the future use */
 527};
 528
 529
 530struct snd_seq_queue_client {
 531        int queue;              /* sequencer queue */
 532        int client;             /* sequencer client */
 533        int used;               /* queue is used with this client
 534                                   (must be set for accepting events) */
 535        /* per client watermarks */
 536        char reserved[64];      /* for future use */
 537};
 538
 539
 540#define SNDRV_SEQ_PORT_SUBS_EXCLUSIVE   (1<<0)  /* exclusive connection */
 541#define SNDRV_SEQ_PORT_SUBS_TIMESTAMP   (1<<1)
 542#define SNDRV_SEQ_PORT_SUBS_TIME_REAL   (1<<2)
 543
 544struct snd_seq_port_subscribe {
 545        struct snd_seq_addr sender;     /* sender address */
 546        struct snd_seq_addr dest;       /* destination address */
 547        unsigned int voices;            /* number of voices to be allocated (0 = don't care) */
 548        unsigned int flags;             /* modes */
 549        unsigned char queue;            /* input time-stamp queue (optional) */
 550        unsigned char pad[3];           /* reserved */
 551        char reserved[64];
 552};
 553
 554/* type of query subscription */
 555#define SNDRV_SEQ_QUERY_SUBS_READ       0
 556#define SNDRV_SEQ_QUERY_SUBS_WRITE      1
 557
 558struct snd_seq_query_subs {
 559        struct snd_seq_addr root;       /* client/port id to be searched */
 560        int type;               /* READ or WRITE */
 561        int index;              /* 0..N-1 */
 562        int num_subs;           /* R/O: number of subscriptions on this port */
 563        struct snd_seq_addr addr;       /* R/O: result */
 564        unsigned char queue;    /* R/O: result */
 565        unsigned int flags;     /* R/O: result */
 566        char reserved[64];      /* for future use */
 567};
 568
 569
 570/*
 571 *  IOCTL commands
 572 */
 573
 574#define SNDRV_SEQ_IOCTL_PVERSION        _IOR ('S', 0x00, int)
 575#define SNDRV_SEQ_IOCTL_CLIENT_ID       _IOR ('S', 0x01, int)
 576#define SNDRV_SEQ_IOCTL_SYSTEM_INFO     _IOWR('S', 0x02, struct snd_seq_system_info)
 577#define SNDRV_SEQ_IOCTL_RUNNING_MODE    _IOWR('S', 0x03, struct snd_seq_running_info)
 578
 579#define SNDRV_SEQ_IOCTL_GET_CLIENT_INFO _IOWR('S', 0x10, struct snd_seq_client_info)
 580#define SNDRV_SEQ_IOCTL_SET_CLIENT_INFO _IOW ('S', 0x11, struct snd_seq_client_info)
 581
 582#define SNDRV_SEQ_IOCTL_CREATE_PORT     _IOWR('S', 0x20, struct snd_seq_port_info)
 583#define SNDRV_SEQ_IOCTL_DELETE_PORT     _IOW ('S', 0x21, struct snd_seq_port_info)
 584#define SNDRV_SEQ_IOCTL_GET_PORT_INFO   _IOWR('S', 0x22, struct snd_seq_port_info)
 585#define SNDRV_SEQ_IOCTL_SET_PORT_INFO   _IOW ('S', 0x23, struct snd_seq_port_info)
 586
 587#define SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT  _IOW ('S', 0x30, struct snd_seq_port_subscribe)
 588#define SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT _IOW ('S', 0x31, struct snd_seq_port_subscribe)
 589
 590#define SNDRV_SEQ_IOCTL_CREATE_QUEUE    _IOWR('S', 0x32, struct snd_seq_queue_info)
 591#define SNDRV_SEQ_IOCTL_DELETE_QUEUE    _IOW ('S', 0x33, struct snd_seq_queue_info)
 592#define SNDRV_SEQ_IOCTL_GET_QUEUE_INFO  _IOWR('S', 0x34, struct snd_seq_queue_info)
 593#define SNDRV_SEQ_IOCTL_SET_QUEUE_INFO  _IOWR('S', 0x35, struct snd_seq_queue_info)
 594#define SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE _IOWR('S', 0x36, struct snd_seq_queue_info)
 595#define SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS _IOWR('S', 0x40, struct snd_seq_queue_status)
 596#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
 597#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
 598#define SNDRV_SEQ_IOCTL_GET_QUEUE_OWNER _IOWR('S', 0x43, struct snd_seq_queue_owner)
 599#define SNDRV_SEQ_IOCTL_SET_QUEUE_OWNER _IOW ('S', 0x44, struct snd_seq_queue_owner)
 600#define SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER _IOWR('S', 0x45, struct snd_seq_queue_timer)
 601#define SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER _IOW ('S', 0x46, struct snd_seq_queue_timer)
 602/* XXX
 603#define SNDRV_SEQ_IOCTL_GET_QUEUE_SYNC  _IOWR('S', 0x53, struct snd_seq_queue_sync)
 604#define SNDRV_SEQ_IOCTL_SET_QUEUE_SYNC  _IOW ('S', 0x54, struct snd_seq_queue_sync)
 605*/
 606#define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT        _IOWR('S', 0x49, struct snd_seq_queue_client)
 607#define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT        _IOW ('S', 0x4a, struct snd_seq_queue_client)
 608#define SNDRV_SEQ_IOCTL_GET_CLIENT_POOL _IOWR('S', 0x4b, struct snd_seq_client_pool)
 609#define SNDRV_SEQ_IOCTL_SET_CLIENT_POOL _IOW ('S', 0x4c, struct snd_seq_client_pool)
 610#define SNDRV_SEQ_IOCTL_REMOVE_EVENTS   _IOW ('S', 0x4e, struct snd_seq_remove_events)
 611#define SNDRV_SEQ_IOCTL_QUERY_SUBS      _IOWR('S', 0x4f, struct snd_seq_query_subs)
 612#define SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION        _IOWR('S', 0x50, struct snd_seq_port_subscribe)
 613#define SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT       _IOWR('S', 0x51, struct snd_seq_client_info)
 614#define SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT _IOWR('S', 0x52, struct snd_seq_port_info)
 615
 616#endif /* _UAPI__SOUND_ASEQUENCER_H */
 617