include/linux/soundcard.h

   1 #ifndef SOUNDCARD_H
   2 #define SOUNDCARD_H
   3 /*
   4  * Copyright by Hannu Savolainen 1993-1997
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are
   8  * met: 1. Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer. 2.
  10  * Redistributions in binary form must reproduce the above copyright notice,
  11  * this list of conditions and the following disclaimer in the documentation
  12  * and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27
  28 /*
  29  * OSS interface version. With versions earlier than 3.6 this value is
  30  * an integer with value less than 361. In versions 3.6 and later
  31  * it's a six digit hexadecimal value. For example value
  32  * of 0x030600 represents OSS version 3.6.0.
  33  * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
  34  * the currently active driver.
  35  */
  36 #define SOUND_VERSION   0x030802
  37 #define OPEN_SOUND_SYSTEM
  38
  39 /* In Linux we need to be prepared for cross compiling */
  40 #include <linux/ioctl.h>
  41
  42 /* Endian macros. */
  43 #ifdef __KERNEL__
  44 #  include <asm/byteorder.h>
  45 #else
  46 #  include <endian.h>
  47 #endif
  48
  49 /*
  50  *      Supported card ID numbers (Should be somewhere else?)
  51  */
  52
  53 #define SNDCARD_ADLIB           1
  54 #define SNDCARD_SB              2
  55 #define SNDCARD_PAS             3
  56 #define SNDCARD_GUS             4
  57 #define SNDCARD_MPU401          5
  58 #define SNDCARD_SB16            6
  59 #define SNDCARD_SB16MIDI        7
  60 #define SNDCARD_UART6850        8
  61 #define SNDCARD_GUS16           9
  62 #define SNDCARD_MSS             10
  63 #define SNDCARD_PSS             11
  64 #define SNDCARD_SSCAPE          12
  65 #define SNDCARD_PSS_MPU         13
  66 #define SNDCARD_PSS_MSS         14
  67 #define SNDCARD_SSCAPE_MSS      15
  68 #define SNDCARD_TRXPRO          16
  69 #define SNDCARD_TRXPRO_SB       17
  70 #define SNDCARD_TRXPRO_MPU      18
  71 #define SNDCARD_MAD16           19
  72 #define SNDCARD_MAD16_MPU       20
  73 #define SNDCARD_CS4232          21
  74 #define SNDCARD_CS4232_MPU      22
  75 #define SNDCARD_MAUI            23
  76 #define SNDCARD_PSEUDO_MSS      24
  77 #define SNDCARD_GUSPNP          25
  78 #define SNDCARD_UART401         26
  79 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
  80
  81 /***********************************
  82  * IOCTL Commands for /dev/sequencer
  83  */
  84
  85 #ifndef _SIOWR
  86 #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
  87 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
  88 #define SIOCPARM_MASK   IOCPARM_MASK
  89 #define SIOC_VOID       IOC_VOID
  90 #define SIOC_OUT        IOC_OUT
  91 #define SIOC_IN         IOC_IN
  92 #define SIOC_INOUT      IOC_INOUT
  93 #define _SIOC_SIZE      _IOC_SIZE
  94 #define _SIOC_DIR       _IOC_DIR
  95 #define _SIOC_NONE      _IOC_NONE
  96 #define _SIOC_READ      _IOC_READ
  97 #define _SIOC_WRITE     _IOC_WRITE
  98 #define _SIO            _IO
  99 #define _SIOR           _IOR
 100 #define _SIOW           _IOW
 101 #define _SIOWR          _IOWR
 102 #else
 103
 104 /* Ioctl's have the command encoded in the lower word,
 105  * and the size of any in or out parameters in the upper
 106  * word.  The high 2 bits of the upper word are used
 107  * to encode the in/out status of the parameter; for now
 108  * we restrict parameters to at most 8191 bytes.
 109  */
 110 /* #define      SIOCTYPE                (0xff<<8) */
 111 #define SIOCPARM_MASK   0x1fff          /* parameters must be < 8192 bytes */
 112 #define SIOC_VOID       0x00000000      /* no parameters */
 113 #define SIOC_OUT        0x20000000      /* copy out parameters */
 114 #define SIOC_IN         0x40000000      /* copy in parameters */
 115 #define SIOC_INOUT      (SIOC_IN|SIOC_OUT)
 116 /* the 0x20000000 is so we can distinguish new ioctl's from old */
 117 #define _SIO(x,y)       ((int)(SIOC_VOID|(x<<8)|y))
 118 #define _SIOR(x,y,t)    ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 119 #define _SIOW(x,y,t)    ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 120 /* this should be _SIORW, but stdio got there first */
 121 #define _SIOWR(x,y,t)   ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 122 #define _SIOC_SIZE(x)   ((x>>16)&SIOCPARM_MASK)
 123 #define _SIOC_DIR(x)    (x & 0xf0000000)
 124 #define _SIOC_NONE      SIOC_VOID
 125 #define _SIOC_READ      SIOC_OUT
 126 #define _SIOC_WRITE     SIOC_IN
 127 #  endif /* _IOWR */
 128 #endif  /* !_SIOWR */
 129
 130 #define SNDCTL_SEQ_RESET                _SIO  ('Q', 0)
 131 #define SNDCTL_SEQ_SYNC                 _SIO  ('Q', 1)
 132 #define SNDCTL_SYNTH_INFO               _SIOWR('Q', 2, struct synth_info)
 133 #define SNDCTL_SEQ_CTRLRATE             _SIOWR('Q', 3, int)     /* Set/get timer resolution (HZ) */
 134 #define SNDCTL_SEQ_GETOUTCOUNT          _SIOR ('Q', 4, int)
 135 #define SNDCTL_SEQ_GETINCOUNT           _SIOR ('Q', 5, int)
 136 #define SNDCTL_SEQ_PERCMODE             _SIOW ('Q', 6, int)
 137 #define SNDCTL_FM_LOAD_INSTR            _SIOW ('Q', 7, struct sbi_instrument)   /* Obsolete. Don't use!!!!!! */
 138 #define SNDCTL_SEQ_TESTMIDI             _SIOW ('Q', 8, int)
 139 #define SNDCTL_SEQ_RESETSAMPLES         _SIOW ('Q', 9, int)
 140 #define SNDCTL_SEQ_NRSYNTHS             _SIOR ('Q',10, int)
 141 #define SNDCTL_SEQ_NRMIDIS              _SIOR ('Q',11, int)
 142 #define SNDCTL_MIDI_INFO                _SIOWR('Q',12, struct midi_info)
 143 #define SNDCTL_SEQ_THRESHOLD            _SIOW ('Q',13, int)
 144 #define SNDCTL_SYNTH_MEMAVL             _SIOWR('Q',14, int)     /* in=dev#, out=memsize */
 145 #define SNDCTL_FM_4OP_ENABLE            _SIOW ('Q',15, int)     /* in=dev# */
 146 #define SNDCTL_SEQ_PANIC                _SIO  ('Q',17)
 147 #define SNDCTL_SEQ_OUTOFBAND            _SIOW ('Q',18, struct seq_event_rec)
 148 #define SNDCTL_SEQ_GETTIME              _SIOR ('Q',19, int)
 149 #define SNDCTL_SYNTH_ID                 _SIOWR('Q',20, struct synth_info)
 150 #define SNDCTL_SYNTH_CONTROL            _SIOWR('Q',21, struct synth_control)
 151 #define SNDCTL_SYNTH_REMOVESAMPLE       _SIOWR('Q',22, struct remove_sample)
 152
 153 typedef struct synth_control
 154 {
 155         int devno;      /* Synthesizer # */
 156         char data[4000]; /* Device spesific command/data record */
 157 }synth_control;
 158
 159 typedef struct remove_sample
 160 {
 161         int devno;      /* Synthesizer # */
 162         int bankno;     /* MIDI bank # (0=General MIDI) */
 163         int instrno;    /* MIDI instrument number */
 164 } remove_sample;
 165
 166 typedef struct seq_event_rec {
 167                 unsigned char arr[8];
 168 } seq_event_rec;
 169
 170 #define SNDCTL_TMR_TIMEBASE             _SIOWR('T', 1, int)
 171 #define SNDCTL_TMR_START                _SIO  ('T', 2)
 172 #define SNDCTL_TMR_STOP                 _SIO  ('T', 3)
 173 #define SNDCTL_TMR_CONTINUE             _SIO  ('T', 4)
 174 #define SNDCTL_TMR_TEMPO                _SIOWR('T', 5, int)
 175 #define SNDCTL_TMR_SOURCE               _SIOWR('T', 6, int)
 176 #       define TMR_INTERNAL             0x00000001
 177 #       define TMR_EXTERNAL             0x00000002
 178 #               define TMR_MODE_MIDI    0x00000010
 179 #               define TMR_MODE_FSK     0x00000020
 180 #               define TMR_MODE_CLS     0x00000040
 181 #               define TMR_MODE_SMPTE   0x00000080
 182 #define SNDCTL_TMR_METRONOME            _SIOW ('T', 7, int)
 183 #define SNDCTL_TMR_SELECT               _SIOW ('T', 8, int)
 184
 185 /*
 186  * Some big endian/little endian handling macros
 187  */
 188
 189 #define _LINUX_PATCHKEY_H_INDIRECT
 190 #include <linux/patchkey.h>
 191 #undef _LINUX_PATCHKEY_H_INDIRECT
 192
 193 #if defined(__KERNEL__)
 194 #  if defined(__BIG_ENDIAN)
 195 #    define AFMT_S16_NE AFMT_S16_BE
 196 #  elif defined(__LITTLE_ENDIAN)
 197 #    define AFMT_S16_NE AFMT_S16_LE
 198 #  else
 199 #    error "could not determine byte order"
 200 #  endif
 201 #elif defined(__BYTE_ORDER)
 202 #  if __BYTE_ORDER == __BIG_ENDIAN
 203 #    define AFMT_S16_NE AFMT_S16_BE
 204 #  elif __BYTE_ORDER == __LITTLE_ENDIAN
 205 #    define AFMT_S16_NE AFMT_S16_LE
 206 #  else
 207 #    error "could not determine byte order"
 208 #  endif
 209 #endif
 210
 211 /*
 212  *      Sample loading mechanism for internal synthesizers (/dev/sequencer)
 213  *      The following patch_info structure has been designed to support
 214  *      Gravis UltraSound. It tries to be universal format for uploading
 215  *      sample based patches but is probably too limited.
 216  *
 217  *      (PBD) As Hannu guessed, the GUS structure is too limited for
 218  *      the WaveFront, but this is the right place for a constant definition.
 219  */
 220
 221 struct patch_info {
 222                 unsigned short key;             /* Use WAVE_PATCH here */
 223 #define WAVE_PATCH         _PATCHKEY(0x04)
 224 #define GUS_PATCH          WAVE_PATCH
 225 #define WAVEFRONT_PATCH    _PATCHKEY(0x06)
 226
 227                 short device_no;        /* Synthesizer number */
 228                 short instr_no;         /* Midi pgm# */
 229
 230                 unsigned int mode;
 231 /*
 232  * The least significant byte has the same format than the GUS .PAT
 233  * files
 234  */
 235 #define WAVE_16_BITS    0x01    /* bit 0 = 8 or 16 bit wave data. */
 236 #define WAVE_UNSIGNED   0x02    /* bit 1 = Signed - Unsigned data. */
 237 #define WAVE_LOOPING    0x04    /* bit 2 = looping enabled-1. */
 238 #define WAVE_BIDIR_LOOP 0x08    /* bit 3 = Set is bidirectional looping. */
 239 #define WAVE_LOOP_BACK  0x10    /* bit 4 = Set is looping backward. */
 240 #define WAVE_SUSTAIN_ON 0x20    /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
 241 #define WAVE_ENVELOPES  0x40    /* bit 6 = Enable envelopes - 1 */
 242 #define WAVE_FAST_RELEASE 0x80  /* bit 7 = Shut off immediately after note off */
 243                                 /*      (use the env_rate/env_offs fields). */
 244 /* Linux specific bits */
 245 #define WAVE_VIBRATO    0x00010000      /* The vibrato info is valid */
 246 #define WAVE_TREMOLO    0x00020000      /* The tremolo info is valid */
 247 #define WAVE_SCALE      0x00040000      /* The scaling info is valid */
 248 #define WAVE_FRACTIONS  0x00080000      /* Fraction information is valid */
 249 /* Reserved bits */
 250 #define WAVE_ROM        0x40000000      /* For future use */
 251 #define WAVE_MULAW      0x20000000      /* For future use */
 252 /* Other bits must be zeroed */
 253
 254                 int len;        /* Size of the wave data in bytes */
 255                 int loop_start, loop_end; /* Byte offsets from the beginning */
 256
 257 /*
 258  * The base_freq and base_note fields are used when computing the
 259  * playback speed for a note. The base_note defines the tone frequency
 260  * which is heard if the sample is played using the base_freq as the
 261  * playback speed.
 262  *
 263  * The low_note and high_note fields define the minimum and maximum note
 264  * frequencies for which this sample is valid. It is possible to define
 265  * more than one samples for an instrument number at the same time. The
 266  * low_note and high_note fields are used to select the most suitable one.
 267  *
 268  * The fields base_note, high_note and low_note should contain
 269  * the note frequency multiplied by 1000. For example value for the
 270  * middle A is 440*1000.
 271  */
 272
 273                 unsigned int base_freq;
 274                 unsigned int base_note;
 275                 unsigned int high_note;
 276                 unsigned int low_note;
 277                 int panning;    /* -128=left, 127=right */
 278                 int detuning;
 279
 280 /*      New fields introduced in version 1.99.5 */
 281
 282        /* Envelope. Enabled by mode bit WAVE_ENVELOPES  */
 283                 unsigned char   env_rate[ 6 ];   /* GUS HW ramping rate */
 284                 unsigned char   env_offset[ 6 ]; /* 255 == 100% */
 285
 286         /*
 287          * The tremolo, vibrato and scale info are not supported yet.
 288          * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
 289          * WAVE_SCALE
 290          */
 291
 292                 unsigned char   tremolo_sweep;
 293                 unsigned char   tremolo_rate;
 294                 unsigned char   tremolo_depth;
 295
 296                 unsigned char   vibrato_sweep;
 297                 unsigned char   vibrato_rate;
 298                 unsigned char   vibrato_depth;
 299
 300                 int             scale_frequency;
 301                 unsigned int    scale_factor;           /* from 0 to 2048 or 0 to 2 */
 302
 303                 int             volume;
 304                 int             fractions;
 305                 int             reserved1;
 306                 int             spare[2];
 307                 char data[1];   /* The waveform data starts here */
 308         };
 309
 310 struct sysex_info {
 311                 short key;              /* Use SYSEX_PATCH or MAUI_PATCH here */
 312 #define SYSEX_PATCH     _PATCHKEY(0x05)
 313 #define MAUI_PATCH      _PATCHKEY(0x06)
 314                 short device_no;        /* Synthesizer number */
 315                 int len;        /* Size of the sysex data in bytes */
 316                 unsigned char data[1];  /* Sysex data starts here */
 317         };
 318
 319 /*
 320  * /dev/sequencer input events.
 321  *
 322  * The data written to the /dev/sequencer is a stream of events. Events
 323  * are records of 4 or 8 bytes. The first byte defines the size.
 324  * Any number of events can be written with a write call. There
 325  * is a set of macros for sending these events. Use these macros if you
 326  * want to maximize portability of your program.
 327  *
 328  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
 329  * (All input events are currently 4 bytes long. Be prepared to support
 330  * 8 byte events also. If you receive any event having first byte >= 128,
 331  * it's a 8 byte event.
 332  *
 333  * The events are documented at the end of this file.
 334  *
 335  * Normal events (4 bytes)
 336  * There is also a 8 byte version of most of the 4 byte events. The
 337  * 8 byte one is recommended.
 338  */
 339 #define SEQ_NOTEOFF             0
 340 #define SEQ_FMNOTEOFF           SEQ_NOTEOFF     /* Just old name */
 341 #define SEQ_NOTEON              1
 342 #define SEQ_FMNOTEON            SEQ_NOTEON
 343 #define SEQ_WAIT                TMR_WAIT_ABS
 344 #define SEQ_PGMCHANGE           3
 345 #define SEQ_FMPGMCHANGE         SEQ_PGMCHANGE
 346 #define SEQ_SYNCTIMER           TMR_START
 347 #define SEQ_MIDIPUTC            5
 348 #define SEQ_DRUMON              6       /*** OBSOLETE ***/
 349 #define SEQ_DRUMOFF             7       /*** OBSOLETE ***/
 350 #define SEQ_ECHO                TMR_ECHO        /* For synching programs with output */
 351 #define SEQ_AFTERTOUCH          9
 352 #define SEQ_CONTROLLER          10
 353
 354 /*******************************************
 355  *      Midi controller numbers
 356  *******************************************
 357  * Controllers 0 to 31 (0x00 to 0x1f) and
 358  * 32 to 63 (0x20 to 0x3f) are continuous
 359  * controllers.
 360  * In the MIDI 1.0 these controllers are sent using
 361  * two messages. Controller numbers 0 to 31 are used
 362  * to send the MSB and the controller numbers 32 to 63
 363  * are for the LSB. Note that just 7 bits are used in MIDI bytes.
 364  */
 365
 366 #define    CTL_BANK_SELECT              0x00
 367 #define    CTL_MODWHEEL                 0x01
 368 #define    CTL_BREATH                   0x02
 369 /*              undefined               0x03 */
 370 #define    CTL_FOOT                     0x04
 371 #define    CTL_PORTAMENTO_TIME          0x05
 372 #define    CTL_DATA_ENTRY               0x06
 373 #define    CTL_MAIN_VOLUME              0x07
 374 #define    CTL_BALANCE                  0x08
 375 /*              undefined               0x09 */
 376 #define    CTL_PAN                      0x0a
 377 #define    CTL_EXPRESSION               0x0b
 378 /*              undefined               0x0c */
 379 /*              undefined               0x0d */
 380 /*              undefined               0x0e */
 381 /*              undefined               0x0f */
 382 #define    CTL_GENERAL_PURPOSE1 0x10
 383 #define    CTL_GENERAL_PURPOSE2 0x11
 384 #define    CTL_GENERAL_PURPOSE3 0x12
 385 #define    CTL_GENERAL_PURPOSE4 0x13
 386 /*              undefined               0x14 - 0x1f */
 387
 388 /*              undefined               0x20 */
 389 /* The controller numbers 0x21 to 0x3f are reserved for the */
 390 /* least significant bytes of the controllers 0x00 to 0x1f. */
 391 /* These controllers are not recognised by the driver. */
 392
 393 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
 394 /* 0=OFF and 127=ON (intermediate values are possible) */
 395 #define    CTL_DAMPER_PEDAL             0x40
 396 #define    CTL_SUSTAIN                  0x40    /* Alias */
 397 #define    CTL_HOLD                     0x40    /* Alias */
 398 #define    CTL_PORTAMENTO               0x41
 399 #define    CTL_SOSTENUTO                0x42
 400 #define    CTL_SOFT_PEDAL               0x43
 401 /*              undefined               0x44 */
 402 #define    CTL_HOLD2                    0x45
 403 /*              undefined               0x46 - 0x4f */
 404
 405 #define    CTL_GENERAL_PURPOSE5 0x50
 406 #define    CTL_GENERAL_PURPOSE6 0x51
 407 #define    CTL_GENERAL_PURPOSE7 0x52
 408 #define    CTL_GENERAL_PURPOSE8 0x53
 409 /*              undefined               0x54 - 0x5a */
 410 #define    CTL_EXT_EFF_DEPTH            0x5b
 411 #define    CTL_TREMOLO_DEPTH            0x5c
 412 #define    CTL_CHORUS_DEPTH             0x5d
 413 #define    CTL_DETUNE_DEPTH             0x5e
 414 #define    CTL_CELESTE_DEPTH            0x5e    /* Alias for the above one */
 415 #define    CTL_PHASER_DEPTH             0x5f
 416 #define    CTL_DATA_INCREMENT           0x60
 417 #define    CTL_DATA_DECREMENT           0x61
 418 #define    CTL_NONREG_PARM_NUM_LSB      0x62
 419 #define    CTL_NONREG_PARM_NUM_MSB      0x63
 420 #define    CTL_REGIST_PARM_NUM_LSB      0x64
 421 #define    CTL_REGIST_PARM_NUM_MSB      0x65
 422 /*              undefined               0x66 - 0x78 */
 423 /*              reserved                0x79 - 0x7f */
 424
 425 /* Pseudo controllers (not midi compatible) */
 426 #define    CTRL_PITCH_BENDER            255
 427 #define    CTRL_PITCH_BENDER_RANGE      254
 428 #define    CTRL_EXPRESSION              253     /* Obsolete */
 429 #define    CTRL_MAIN_VOLUME             252     /* Obsolete */
 430 #define SEQ_BALANCE             11
 431 #define SEQ_VOLMODE             12
 432
 433 /*
 434  * Volume mode decides how volumes are used
 435  */
 436
 437 #define VOL_METHOD_ADAGIO       1
 438 #define VOL_METHOD_LINEAR       2
 439
 440 /*
 441  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
 442  *       input events.
 443  */
 444
 445 /*
 446  * Event codes 0xf0 to 0xfc are reserved for future extensions.
 447  */
 448
 449 #define SEQ_FULLSIZE            0xfd    /* Long events */
 450 /*
 451  *      SEQ_FULLSIZE events are used for loading patches/samples to the
 452  *      synthesizer devices. These events are passed directly to the driver
 453  *      of the associated synthesizer device. There is no limit to the size
 454  *      of the extended events. These events are not queued but executed
 455  *      immediately when the write() is called (execution can take several
 456  *      seconds of time).
 457  *
 458  *      When a SEQ_FULLSIZE message is written to the device, it must
 459  *      be written using exactly one write() call. Other events cannot
 460  *      be mixed to the same write.
 461  *
 462  *      For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
 463  *      /dev/sequencer. Don't write other data together with the instrument structure
 464  *      Set the key field of the structure to FM_PATCH. The device field is used to
 465  *      route the patch to the corresponding device.
 466  *
 467  *      For wave table use struct patch_info. Initialize the key field
 468  *      to WAVE_PATCH.
 469  */
 470 #define SEQ_PRIVATE             0xfe    /* Low level HW dependent events (8 bytes) */
 471 #define SEQ_EXTENDED            0xff    /* Extended events (8 bytes) OBSOLETE */
 472
 473 /*
 474  * Record for FM patches
 475  */
 476
 477 typedef unsigned char sbi_instr_data[32];
 478
 479 struct sbi_instrument {
 480                 unsigned short  key;    /* FM_PATCH or OPL3_PATCH */
 481 #define FM_PATCH        _PATCHKEY(0x01)
 482 #define OPL3_PATCH      _PATCHKEY(0x03)
 483                 short           device;         /*      Synth# (0-4)    */
 484                 int             channel;        /*      Program# to be initialized      */
 485                 sbi_instr_data  operators;      /*      Register settings for operator cells (.SBI format)      */
 486         };
 487
 488 struct synth_info {     /* Read only */
 489                 char    name[30];
 490                 int     device;         /* 0-N. INITIALIZE BEFORE CALLING */
 491                 int     synth_type;
 492 #define SYNTH_TYPE_FM                   0
 493 #define SYNTH_TYPE_SAMPLE               1
 494 #define SYNTH_TYPE_MIDI                 2       /* Midi interface */
 495
 496                 int     synth_subtype;
 497 #define FM_TYPE_ADLIB                   0x00
 498 #define FM_TYPE_OPL3                    0x01
 499 #define MIDI_TYPE_MPU401                0x401
 500
 501 #define SAMPLE_TYPE_BASIC               0x10
 502 #define SAMPLE_TYPE_GUS                 SAMPLE_TYPE_BASIC
 503 #define SAMPLE_TYPE_WAVEFRONT           0x11
 504
 505                 int     perc_mode;      /* No longer supported */
 506                 int     nr_voices;
 507                 int     nr_drums;       /* Obsolete field */
 508                 int     instr_bank_size;
 509                 unsigned int    capabilities;
 510 #define SYNTH_CAP_PERCMODE              0x00000001 /* No longer used */
 511 #define SYNTH_CAP_OPL3                  0x00000002 /* Set if OPL3 supported */
 512 #define SYNTH_CAP_INPUT                 0x00000004 /* Input (MIDI) device */
 513                 int     dummies[19];    /* Reserve space */
 514         };
 515
 516 struct sound_timer_info {
 517                 char name[32];
 518                 int caps;
 519         };
 520
 521 #define MIDI_CAP_MPU401         1               /* MPU-401 intelligent mode */
 522
 523 struct midi_info {
 524                 char            name[30];
 525                 int             device;         /* 0-N. INITIALIZE BEFORE CALLING */
 526                 unsigned int    capabilities;   /* To be defined later */
 527                 int             dev_type;
 528                 int             dummies[18];    /* Reserve space */
 529         };
 530
 531 /********************************************
 532  * ioctl commands for the /dev/midi##
 533  */
 534 typedef struct {
 535                 unsigned char cmd;
 536                 char nr_args, nr_returns;
 537                 unsigned char data[30];
 538         } mpu_command_rec;
 539
 540 #define SNDCTL_MIDI_PRETIME             _SIOWR('m', 0, int)
 541 #define SNDCTL_MIDI_MPUMODE             _SIOWR('m', 1, int)
 542 #define SNDCTL_MIDI_MPUCMD              _SIOWR('m', 2, mpu_command_rec)
 543
 544 /********************************************
 545  * IOCTL commands for /dev/dsp and /dev/audio
 546  */
 547
 548 #define SNDCTL_DSP_RESET                _SIO  ('P', 0)
 549 #define SNDCTL_DSP_SYNC                 _SIO  ('P', 1)
 550 #define SNDCTL_DSP_SPEED                _SIOWR('P', 2, int)
 551 #define SNDCTL_DSP_STEREO               _SIOWR('P', 3, int)
 552 #define SNDCTL_DSP_GETBLKSIZE           _SIOWR('P', 4, int)
 553 #define SNDCTL_DSP_SAMPLESIZE           SNDCTL_DSP_SETFMT
 554 #define SNDCTL_DSP_CHANNELS             _SIOWR('P', 6, int)
 555 #define SOUND_PCM_WRITE_CHANNELS        SNDCTL_DSP_CHANNELS
 556 #define SOUND_PCM_WRITE_FILTER          _SIOWR('P', 7, int)
 557 #define SNDCTL_DSP_POST                 _SIO  ('P', 8)
 558 #define SNDCTL_DSP_SUBDIVIDE            _SIOWR('P', 9, int)
 559 #define SNDCTL_DSP_SETFRAGMENT          _SIOWR('P',10, int)
 560
 561 /*      Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
 562 #define SNDCTL_DSP_GETFMTS              _SIOR ('P',11, int) /* Returns a mask */
 563 #define SNDCTL_DSP_SETFMT               _SIOWR('P',5, int) /* Selects ONE fmt*/
 564 #       define AFMT_QUERY               0x00000000      /* Return current fmt */
 565 #       define AFMT_MU_LAW              0x00000001
 566 #       define AFMT_A_LAW               0x00000002
 567 #       define AFMT_IMA_ADPCM           0x00000004
 568 #       define AFMT_U8                  0x00000008
 569 #       define AFMT_S16_LE              0x00000010      /* Little endian signed 16*/
 570 #       define AFMT_S16_BE              0x00000020      /* Big endian signed 16 */
 571 #       define AFMT_S8                  0x00000040
 572 #       define AFMT_U16_LE              0x00000080      /* Little endian U16 */
 573 #       define AFMT_U16_BE              0x00000100      /* Big endian U16 */
 574 #       define AFMT_MPEG                0x00000200      /* MPEG (2) audio */
 575 #       define AFMT_AC3         0x00000400      /* Dolby Digital AC3 */
 576
 577 /*
 578  * Buffer status queries.
 579  */
 580 typedef struct audio_buf_info {
 581                         int fragments;  /* # of available fragments (partially usend ones not counted) */
 582                         int fragstotal; /* Total # of fragments allocated */
 583                         int fragsize;   /* Size of a fragment in bytes */
 584
 585                         int bytes;      /* Available space in bytes (includes partially used fragments) */
 586                         /* Note! 'bytes' could be more than fragments*fragsize */
 587                 } audio_buf_info;
 588
 589 #define SNDCTL_DSP_GETOSPACE            _SIOR ('P',12, audio_buf_info)
 590 #define SNDCTL_DSP_GETISPACE            _SIOR ('P',13, audio_buf_info)
 591 #define SNDCTL_DSP_NONBLOCK             _SIO  ('P',14)
 592 #define SNDCTL_DSP_GETCAPS              _SIOR ('P',15, int)
 593 #       define DSP_CAP_REVISION         0x000000ff      /* Bits for revision level (0 to 255) */
 594 #       define DSP_CAP_DUPLEX           0x00000100      /* Full duplex record/playback */
 595 #       define DSP_CAP_REALTIME         0x00000200      /* Real time capability */
 596 #       define DSP_CAP_BATCH            0x00000400      /* Device has some kind of */
 597                                                         /* internal buffers which may */
 598                                                         /* cause some delays and */
 599                                                         /* decrease precision of timing */
 600 #       define DSP_CAP_COPROC           0x00000800      /* Has a coprocessor */
 601                                                         /* Sometimes it's a DSP */
 602                                                         /* but usually not */
 603 #       define DSP_CAP_TRIGGER          0x00001000      /* Supports SETTRIGGER */
 604 #       define DSP_CAP_MMAP             0x00002000      /* Supports mmap() */
 605 #       define DSP_CAP_MULTI            0x00004000      /* support multiple open */
 606 #       define DSP_CAP_BIND             0x00008000      /* channel binding to front/rear/cneter/lfe */
 607
 608
 609 #define SNDCTL_DSP_GETTRIGGER           _SIOR ('P',16, int)
 610 #define SNDCTL_DSP_SETTRIGGER           _SIOW ('P',16, int)
 611 #       define PCM_ENABLE_INPUT         0x00000001
 612 #       define PCM_ENABLE_OUTPUT                0x00000002
 613
 614 typedef struct count_info {
 615                 int bytes;      /* Total # of bytes processed */
 616                 int blocks;     /* # of fragment transitions since last time */
 617                 int ptr;        /* Current DMA pointer value */
 618         } count_info;
 619
 620 #define SNDCTL_DSP_GETIPTR              _SIOR ('P',17, count_info)
 621 #define SNDCTL_DSP_GETOPTR              _SIOR ('P',18, count_info)
 622
 623 typedef struct buffmem_desc {
 624                 unsigned *buffer;
 625                 int size;
 626         } buffmem_desc;
 627 #define SNDCTL_DSP_MAPINBUF             _SIOR ('P', 19, buffmem_desc)
 628 #define SNDCTL_DSP_MAPOUTBUF            _SIOR ('P', 20, buffmem_desc)
 629 #define SNDCTL_DSP_SETSYNCRO            _SIO  ('P', 21)
 630 #define SNDCTL_DSP_SETDUPLEX            _SIO  ('P', 22)
 631 #define SNDCTL_DSP_GETODELAY            _SIOR ('P', 23, int)
 632
 633 #define SNDCTL_DSP_GETCHANNELMASK               _SIOWR('P', 64, int)
 634 #define SNDCTL_DSP_BIND_CHANNEL         _SIOWR('P', 65, int)
 635 #       define DSP_BIND_QUERY           0x00000000
 636 #       define DSP_BIND_FRONT           0x00000001
 637 #       define DSP_BIND_SURR            0x00000002
 638 #       define DSP_BIND_CENTER_LFE      0x00000004
 639 #       define DSP_BIND_HANDSET         0x00000008
 640 #       define DSP_BIND_MIC             0x00000010
 641 #       define DSP_BIND_MODEM1          0x00000020
 642 #       define DSP_BIND_MODEM2          0x00000040
 643 #       define DSP_BIND_I2S             0x00000080
 644 #       define DSP_BIND_SPDIF           0x00000100
 645
 646 #define SNDCTL_DSP_SETSPDIF             _SIOW ('P', 66, int)
 647 #define SNDCTL_DSP_GETSPDIF             _SIOR ('P', 67, int)
 648 #       define SPDIF_PRO        0x0001
 649 #       define SPDIF_N_AUD      0x0002
 650 #       define SPDIF_COPY       0x0004
 651 #       define SPDIF_PRE        0x0008
 652 #       define SPDIF_CC         0x07f0
 653 #       define SPDIF_L          0x0800
 654 #       define SPDIF_DRS        0x4000
 655 #       define SPDIF_V          0x8000
 656
 657 /*
 658  * Application's profile defines the way how playback underrun situations should be handled.
 659  *
 660  *      APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
 661  *      playback buffer whenever an underrun occurs. This consumes some time
 662  *      prevents looping the existing buffer.
 663  *      APF_CPUINTENS is intended to be set by CPU intensive applications which
 664  *      are likely to run out of time occasionally. In this mode the buffer cleanup is
 665  *      disabled which saves CPU time but also let's the previous buffer content to
 666  *      be played during the "pause" after the underrun.
 667  */
 668 #define SNDCTL_DSP_PROFILE              _SIOW ('P', 23, int)
 669 #define   APF_NORMAL    0       /* Normal applications */
 670 #define   APF_NETWORK   1       /* Underruns probably caused by an "external" delay */
 671 #define   APF_CPUINTENS 2       /* Underruns probably caused by "overheating" the CPU */
 672
 673 #define SOUND_PCM_READ_RATE             _SIOR ('P', 2, int)
 674 #define SOUND_PCM_READ_CHANNELS         _SIOR ('P', 6, int)
 675 #define SOUND_PCM_READ_BITS             _SIOR ('P', 5, int)
 676 #define SOUND_PCM_READ_FILTER           _SIOR ('P', 7, int)
 677
 678 /* Some alias names */
 679 #define SOUND_PCM_WRITE_BITS            SNDCTL_DSP_SETFMT
 680 #define SOUND_PCM_WRITE_RATE            SNDCTL_DSP_SPEED
 681 #define SOUND_PCM_POST                  SNDCTL_DSP_POST
 682 #define SOUND_PCM_RESET                 SNDCTL_DSP_RESET
 683 #define SOUND_PCM_SYNC                  SNDCTL_DSP_SYNC
 684 #define SOUND_PCM_SUBDIVIDE             SNDCTL_DSP_SUBDIVIDE
 685 #define SOUND_PCM_SETFRAGMENT           SNDCTL_DSP_SETFRAGMENT
 686 #define SOUND_PCM_GETFMTS               SNDCTL_DSP_GETFMTS
 687 #define SOUND_PCM_SETFMT                SNDCTL_DSP_SETFMT
 688 #define SOUND_PCM_GETOSPACE             SNDCTL_DSP_GETOSPACE
 689 #define SOUND_PCM_GETISPACE             SNDCTL_DSP_GETISPACE
 690 #define SOUND_PCM_NONBLOCK              SNDCTL_DSP_NONBLOCK
 691 #define SOUND_PCM_GETCAPS               SNDCTL_DSP_GETCAPS
 692 #define SOUND_PCM_GETTRIGGER            SNDCTL_DSP_GETTRIGGER
 693 #define SOUND_PCM_SETTRIGGER            SNDCTL_DSP_SETTRIGGER
 694 #define SOUND_PCM_SETSYNCRO             SNDCTL_DSP_SETSYNCRO
 695 #define SOUND_PCM_GETIPTR               SNDCTL_DSP_GETIPTR
 696 #define SOUND_PCM_GETOPTR               SNDCTL_DSP_GETOPTR
 697 #define SOUND_PCM_MAPINBUF              SNDCTL_DSP_MAPINBUF
 698 #define SOUND_PCM_MAPOUTBUF             SNDCTL_DSP_MAPOUTBUF
 699
 700 /*
 701  * ioctl calls to be used in communication with coprocessors and
 702  * DSP chips.
 703  */
 704
 705 typedef struct copr_buffer {
 706                 int command;    /* Set to 0 if not used */
 707                 int flags;
 708 #define CPF_NONE                0x0000
 709 #define CPF_FIRST               0x0001  /* First block */
 710 #define CPF_LAST                0x0002  /* Last block */
 711                 int len;
 712                 int offs;       /* If required by the device (0 if not used) */
 713
 714                 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
 715         } copr_buffer;
 716
 717 typedef struct copr_debug_buf {
 718                 int command;    /* Used internally. Set to 0 */
 719                 int parm1;
 720                 int parm2;
 721                 int flags;
 722                 int len;        /* Length of data in bytes */
 723         } copr_debug_buf;
 724
 725 typedef struct copr_msg {
 726                 int len;
 727                 unsigned char data[4000];
 728         } copr_msg;
 729
 730 #define SNDCTL_COPR_RESET             _SIO  ('C',  0)
 731 #define SNDCTL_COPR_LOAD              _SIOWR('C',  1, copr_buffer)
 732 #define SNDCTL_COPR_RDATA             _SIOWR('C',  2, copr_debug_buf)
 733 #define SNDCTL_COPR_RCODE             _SIOWR('C',  3, copr_debug_buf)
 734 #define SNDCTL_COPR_WDATA             _SIOW ('C',  4, copr_debug_buf)
 735 #define SNDCTL_COPR_WCODE             _SIOW ('C',  5, copr_debug_buf)
 736 #define SNDCTL_COPR_RUN               _SIOWR('C',  6, copr_debug_buf)
 737 #define SNDCTL_COPR_HALT              _SIOWR('C',  7, copr_debug_buf)
 738 #define SNDCTL_COPR_SENDMSG           _SIOWR('C',  8, copr_msg)
 739 #define SNDCTL_COPR_RCVMSG            _SIOR ('C',  9, copr_msg)
 740
 741 /*********************************************
 742  * IOCTL commands for /dev/mixer
 743  */
 744
 745 /*
 746  * Mixer devices
 747  *
 748  * There can be up to 20 different analog mixer channels. The
 749  * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
 750  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
 751  * the devices supported by the particular mixer.
 752  */
 753
 754 #define SOUND_MIXER_NRDEVICES   25
 755 #define SOUND_MIXER_VOLUME      0
 756 #define SOUND_MIXER_BASS        1
 757 #define SOUND_MIXER_TREBLE      2
 758 #define SOUND_MIXER_SYNTH       3
 759 #define SOUND_MIXER_PCM         4
 760 #define SOUND_MIXER_SPEAKER     5
 761 #define SOUND_MIXER_LINE        6
 762 #define SOUND_MIXER_MIC         7
 763 #define SOUND_MIXER_CD          8
 764 #define SOUND_MIXER_IMIX        9       /*  Recording monitor  */
 765 #define SOUND_MIXER_ALTPCM      10
 766 #define SOUND_MIXER_RECLEV      11      /* Recording level */
 767 #define SOUND_MIXER_IGAIN       12      /* Input gain */
 768 #define SOUND_MIXER_OGAIN       13      /* Output gain */
 769 /*
 770  * The AD1848 codec and compatibles have three line level inputs
 771  * (line, aux1 and aux2). Since each card manufacturer have assigned
 772  * different meanings to these inputs, it's inpractical to assign
 773  * specific meanings (line, cd, synth etc.) to them.
 774  */
 775 #define SOUND_MIXER_LINE1       14      /* Input source 1  (aux1) */
 776 #define SOUND_MIXER_LINE2       15      /* Input source 2  (aux2) */
 777 #define SOUND_MIXER_LINE3       16      /* Input source 3  (line) */
 778 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
 779 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
 780 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
 781 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
 782 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
 783 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
 784 #define SOUND_MIXER_RADIO       23      /* Radio in */
 785 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
 786
 787 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
 788 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
 789 #define SOUND_ONOFF_MIN         28
 790 #define SOUND_ONOFF_MAX         30
 791
 792 /* Note!        Number 31 cannot be used since the sign bit is reserved */
 793 #define SOUND_MIXER_NONE        31
 794
 795 /*
 796  * The following unsupported macros are no longer functional.
 797  * Use SOUND_MIXER_PRIVATE# macros in future.
 798  */
 799 #define SOUND_MIXER_ENHANCE     SOUND_MIXER_NONE
 800 #define SOUND_MIXER_MUTE        SOUND_MIXER_NONE
 801 #define SOUND_MIXER_LOUD        SOUND_MIXER_NONE
 802
 803
 804 #define SOUND_DEVICE_LABELS     {"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
 805                                  "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
 806                                  "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
 807                                  "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
 808
 809 #define SOUND_DEVICE_NAMES      {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
 810                                  "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
 811                                  "line1", "line2", "line3", "dig1", "dig2", "dig3", \
 812                                  "phin", "phout", "video", "radio", "monitor"}
 813
 814 /*      Device bitmask identifiers      */
 815
 816 #define SOUND_MIXER_RECSRC      0xff    /* Arg contains a bit for each recording source */
 817 #define SOUND_MIXER_DEVMASK     0xfe    /* Arg contains a bit for each supported device */
 818 #define SOUND_MIXER_RECMASK     0xfd    /* Arg contains a bit for each supported recording source */
 819 #define SOUND_MIXER_CAPS        0xfc
 820 #       define SOUND_CAP_EXCL_INPUT     0x00000001      /* Only one recording source at a time */
 821 #define SOUND_MIXER_STEREODEVS  0xfb    /* Mixer channels supporting stereo */
 822 #define SOUND_MIXER_OUTSRC      0xfa    /* Arg contains a bit for each input source to output */
 823 #define SOUND_MIXER_OUTMASK     0xf9    /* Arg contains a bit for each supported input source to output */
 824
 825 /*      Device mask bits        */
 826
 827 #define SOUND_MASK_VOLUME       (1 << SOUND_MIXER_VOLUME)
 828 #define SOUND_MASK_BASS         (1 << SOUND_MIXER_BASS)
 829 #define SOUND_MASK_TREBLE       (1 << SOUND_MIXER_TREBLE)
 830 #define SOUND_MASK_SYNTH        (1 << SOUND_MIXER_SYNTH)
 831 #define SOUND_MASK_PCM          (1 << SOUND_MIXER_PCM)
 832 #define SOUND_MASK_SPEAKER      (1 << SOUND_MIXER_SPEAKER)
 833 #define SOUND_MASK_LINE         (1 << SOUND_MIXER_LINE)
 834 #define SOUND_MASK_MIC          (1 << SOUND_MIXER_MIC)
 835 #define SOUND_MASK_CD           (1 << SOUND_MIXER_CD)
 836 #define SOUND_MASK_IMIX         (1 << SOUND_MIXER_IMIX)
 837 #define SOUND_MASK_ALTPCM       (1 << SOUND_MIXER_ALTPCM)
 838 #define SOUND_MASK_RECLEV       (1 << SOUND_MIXER_RECLEV)
 839 #define SOUND_MASK_IGAIN        (1 << SOUND_MIXER_IGAIN)
 840 #define SOUND_MASK_OGAIN        (1 << SOUND_MIXER_OGAIN)
 841 #define SOUND_MASK_LINE1        (1 << SOUND_MIXER_LINE1)
 842 #define SOUND_MASK_LINE2        (1 << SOUND_MIXER_LINE2)
 843 #define SOUND_MASK_LINE3        (1 << SOUND_MIXER_LINE3)
 844 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
 845 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
 846 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
 847 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
 848 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
 849 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
 850 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
 851 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
 852
 853 /* Obsolete macros */
 854 #define SOUND_MASK_MUTE         (1 << SOUND_MIXER_MUTE)
 855 #define SOUND_MASK_ENHANCE      (1 << SOUND_MIXER_ENHANCE)
 856 #define SOUND_MASK_LOUD         (1 << SOUND_MIXER_LOUD)
 857
 858 #define MIXER_READ(dev)         _SIOR('M', dev, int)
 859 #define SOUND_MIXER_READ_VOLUME         MIXER_READ(SOUND_MIXER_VOLUME)
 860 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
 861 #define SOUND_MIXER_READ_TREBLE         MIXER_READ(SOUND_MIXER_TREBLE)
 862 #define SOUND_MIXER_READ_SYNTH          MIXER_READ(SOUND_MIXER_SYNTH)
 863 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
 864 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
 865 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
 866 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
 867 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
 868 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
 869 #define SOUND_MIXER_READ_ALTPCM         MIXER_READ(SOUND_MIXER_ALTPCM)
 870 #define SOUND_MIXER_READ_RECLEV         MIXER_READ(SOUND_MIXER_RECLEV)
 871 #define SOUND_MIXER_READ_IGAIN          MIXER_READ(SOUND_MIXER_IGAIN)
 872 #define SOUND_MIXER_READ_OGAIN          MIXER_READ(SOUND_MIXER_OGAIN)
 873 #define SOUND_MIXER_READ_LINE1          MIXER_READ(SOUND_MIXER_LINE1)
 874 #define SOUND_MIXER_READ_LINE2          MIXER_READ(SOUND_MIXER_LINE2)
 875 #define SOUND_MIXER_READ_LINE3          MIXER_READ(SOUND_MIXER_LINE3)
 876
 877 /* Obsolete macros */
 878 #define SOUND_MIXER_READ_MUTE           MIXER_READ(SOUND_MIXER_MUTE)
 879 #define SOUND_MIXER_READ_ENHANCE        MIXER_READ(SOUND_MIXER_ENHANCE)
 880 #define SOUND_MIXER_READ_LOUD           MIXER_READ(SOUND_MIXER_LOUD)
 881
 882 #define SOUND_MIXER_READ_RECSRC         MIXER_READ(SOUND_MIXER_RECSRC)
 883 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
 884 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
 885 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
 886 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
 887
 888 #define MIXER_WRITE(dev)                _SIOWR('M', dev, int)
 889 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
 890 #define SOUND_MIXER_WRITE_BASS          MIXER_WRITE(SOUND_MIXER_BASS)
 891 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
 892 #define SOUND_MIXER_WRITE_SYNTH         MIXER_WRITE(SOUND_MIXER_SYNTH)
 893 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
 894 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
 895 #define SOUND_MIXER_WRITE_LINE          MIXER_WRITE(SOUND_MIXER_LINE)
 896 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
 897 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
 898 #define SOUND_MIXER_WRITE_IMIX          MIXER_WRITE(SOUND_MIXER_IMIX)
 899 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
 900 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
 901 #define SOUND_MIXER_WRITE_IGAIN         MIXER_WRITE(SOUND_MIXER_IGAIN)
 902 #define SOUND_MIXER_WRITE_OGAIN         MIXER_WRITE(SOUND_MIXER_OGAIN)
 903 #define SOUND_MIXER_WRITE_LINE1         MIXER_WRITE(SOUND_MIXER_LINE1)
 904 #define SOUND_MIXER_WRITE_LINE2         MIXER_WRITE(SOUND_MIXER_LINE2)
 905 #define SOUND_MIXER_WRITE_LINE3         MIXER_WRITE(SOUND_MIXER_LINE3)
 906
 907 /* Obsolete macros */
 908 #define SOUND_MIXER_WRITE_MUTE          MIXER_WRITE(SOUND_MIXER_MUTE)
 909 #define SOUND_MIXER_WRITE_ENHANCE       MIXER_WRITE(SOUND_MIXER_ENHANCE)
 910 #define SOUND_MIXER_WRITE_LOUD          MIXER_WRITE(SOUND_MIXER_LOUD)
 911
 912 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
 913
 914 typedef struct mixer_info
 915 {
 916   char id[16];
 917   char name[32];
 918   int  modify_counter;
 919   int fillers[10];
 920 } mixer_info;
 921
 922 typedef struct _old_mixer_info /* Obsolete */
 923 {
 924   char id[16];
 925   char name[32];
 926 } _old_mixer_info;
 927
 928 #define SOUND_MIXER_INFO                _SIOR ('M', 101, mixer_info)
 929 #define SOUND_OLD_MIXER_INFO            _SIOR ('M', 101, _old_mixer_info)
 930
 931 /*
 932  * A mechanism for accessing "proprietary" mixer features. This method
 933  * permits passing 128 bytes of arbitrary data between a mixer application
 934  * and the mixer driver. Interpretation of the record is defined by
 935  * the particular mixer driver.
 936  */
 937 typedef unsigned char mixer_record[128];
 938
 939 #define SOUND_MIXER_ACCESS              _SIOWR('M', 102, mixer_record)
 940
 941 /*
 942  * Two ioctls for special souncard function
 943  */
 944 #define SOUND_MIXER_AGC  _SIOWR('M', 103, int)
 945 #define SOUND_MIXER_3DSE  _SIOWR('M', 104, int)
 946
 947 /*
 948  * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
 949  * These features can be used when accessing device specific features.
 950  */
 951 #define SOUND_MIXER_PRIVATE1            _SIOWR('M', 111, int)
 952 #define SOUND_MIXER_PRIVATE2            _SIOWR('M', 112, int)
 953 #define SOUND_MIXER_PRIVATE3            _SIOWR('M', 113, int)
 954 #define SOUND_MIXER_PRIVATE4            _SIOWR('M', 114, int)
 955 #define SOUND_MIXER_PRIVATE5            _SIOWR('M', 115, int)
 956
 957 /*
 958  * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
 959  * for querying current mixer settings from the driver and for loading
 960  * default volume settings _prior_ activating the mixer (loading
 961  * doesn't affect current state of the mixer hardware). These calls
 962  * are for internal use only.
 963  */
 964
 965 typedef struct mixer_vol_table {
 966   int num;      /* Index to volume table */
 967   char name[32];
 968   int levels[32];
 969 } mixer_vol_table;
 970
 971 #define SOUND_MIXER_GETLEVELS           _SIOWR('M', 116, mixer_vol_table)
 972 #define SOUND_MIXER_SETLEVELS           _SIOWR('M', 117, mixer_vol_table)
 973
 974 /*
 975  * An ioctl for identifying the driver version. It will return value
 976  * of the SOUND_VERSION macro used when compiling the driver.
 977  * This call was introduced in OSS version 3.6 and it will not work
 978  * with earlier versions (returns EINVAL).
 979  */
 980 #define OSS_GETVERSION                  _SIOR ('M', 118, int)
 981
 982 /*
 983  * Level 2 event types for /dev/sequencer
 984  */
 985
 986 /*
 987  * The 4 most significant bits of byte 0 specify the class of
 988  * the event:
 989  *
 990  *      0x8X = system level events,
 991  *      0x9X = device/port specific events, event[1] = device/port,
 992  *              The last 4 bits give the subtype:
 993  *                      0x02    = Channel event (event[3] = chn).
 994  *                      0x01    = note event (event[4] = note).
 995  *                      (0x01 is not used alone but always with bit 0x02).
 996  *             event[2] = MIDI message code (0x80=note off etc.)
 997  *
 998  */
 999
1000 #define EV_SEQ_LOCAL            0x80
1001 #define EV_TIMING               0x81
1002 #define EV_CHN_COMMON           0x92
1003 #define EV_CHN_VOICE            0x93
1004 #define EV_SYSEX                0x94
1005 /*
1006  * Event types 200 to 220 are reserved for application use.
1007  * These numbers will not be used by the driver.
1008  */
1009
1010 /*
1011  * Events for event type EV_CHN_VOICE
1012  */
1013
1014 #define MIDI_NOTEOFF            0x80
1015 #define MIDI_NOTEON             0x90
1016 #define MIDI_KEY_PRESSURE       0xA0
1017
1018 /*
1019  * Events for event type EV_CHN_COMMON
1020  */
1021
1022 #define MIDI_CTL_CHANGE         0xB0
1023 #define MIDI_PGM_CHANGE         0xC0
1024 #define MIDI_CHN_PRESSURE       0xD0
1025 #define MIDI_PITCH_BEND         0xE0
1026
1027 #define MIDI_SYSTEM_PREFIX      0xF0
1028
1029 /*
1030  * Timer event types
1031  */
1032 #define TMR_WAIT_REL            1       /* Time relative to the prev time */
1033 #define TMR_WAIT_ABS            2       /* Absolute time since TMR_START */
1034 #define TMR_STOP                3
1035 #define TMR_START               4
1036 #define TMR_CONTINUE            5
1037 #define TMR_TEMPO               6
1038 #define TMR_ECHO                8
1039 #define TMR_CLOCK               9       /* MIDI clock */
1040 #define TMR_SPP                 10      /* Song position pointer */
1041 #define TMR_TIMESIG             11      /* Time signature */
1042
1043 /*
1044  *      Local event types
1045  */
1046 #define LOCL_STARTAUDIO         1
1047
1048 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
1049 /*
1050  *      Some convenience macros to simplify programming of the
1051  *      /dev/sequencer interface
1052  *
1053  *      These macros define the API which should be used when possible.
1054  */
1055 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
1056
1057 void seqbuf_dump(void); /* This function must be provided by programs */
1058
1059 extern int OSS_init(int seqfd, int buflen);
1060 extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
1061 extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
1062 extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
1063 extern void OSS_patch_caching(int dev, int chn, int patch,
1064                               int fd, unsigned char *buf, int buflen);
1065 extern void OSS_drum_caching(int dev, int chn, int patch,
1066                               int fd, unsigned char *buf, int buflen);
1067 extern void OSS_write_patch(int fd, unsigned char *buf, int len);
1068 extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
1069
1070 #define SEQ_PM_DEFINES int __foo_bar___
1071 #ifdef OSSLIB
1072 #  define SEQ_USE_EXTBUF() \
1073                 extern unsigned char *_seqbuf; \
1074                 extern int _seqbuflen;extern int _seqbufptr
1075 #  define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
1076 #  define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
1077 #  define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
1078 #  define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
1079
1080 #  define SEQ_LOAD_GMINSTR(dev, instr) \
1081                 OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
1082 #  define SEQ_LOAD_GMDRUM(dev, drum) \
1083                 OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
1084 #else /* !OSSLIB */
1085
1086 #  define SEQ_LOAD_GMINSTR(dev, instr)
1087 #  define SEQ_LOAD_GMDRUM(dev, drum)
1088
1089 #  define SEQ_USE_EXTBUF() \
1090                 extern unsigned char _seqbuf[]; \
1091                 extern int _seqbuflen;extern int _seqbufptr
1092
1093 #ifndef USE_SIMPLE_MACROS
1094 /* Sample seqbuf_dump() implementation:
1095  *
1096  *      SEQ_DEFINEBUF (2048);   -- Defines a buffer for 2048 bytes
1097  *
1098  *      int seqfd;              -- The file descriptor for /dev/sequencer.
1099  *
1100  *      void
1101  *      seqbuf_dump ()
1102  *      {
1103  *        if (_seqbufptr)
1104  *          if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1105  *            {
1106  *              perror ("write /dev/sequencer");
1107  *              exit (-1);
1108  *            }
1109  *        _seqbufptr = 0;
1110  *      }
1111  */
1112
1113 #define SEQ_DEFINEBUF(len)              unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1114 #define _SEQ_NEEDBUF(len)               if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1115 #define _SEQ_ADVBUF(len)                _seqbufptr += len
1116 #define SEQ_DUMPBUF                     seqbuf_dump
1117 #else
1118 /*
1119  * This variation of the sequencer macros is used just to format one event
1120  * using fixed buffer.
1121  *
1122  * The program using the macro library must define the following macros before
1123  * using this library.
1124  *
1125  * #define _seqbuf               name of the buffer (unsigned char[])
1126  * #define _SEQ_ADVBUF(len)      If the applic needs to know the exact
1127  *                               size of the event, this macro can be used.
1128  *                               Otherwise this must be defined as empty.
1129  * #define _seqbufptr            Define the name of index variable or 0 if
1130  *                               not required.
1131  */
1132 #define _SEQ_NEEDBUF(len)       /* empty */
1133 #endif
1134 #endif /* !OSSLIB */
1135
1136 #define SEQ_VOLUME_MODE(dev, mode)      {_SEQ_NEEDBUF(8);\
1137                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1138                                         _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1139                                         _seqbuf[_seqbufptr+2] = (dev);\
1140                                         _seqbuf[_seqbufptr+3] = (mode);\
1141                                         _seqbuf[_seqbufptr+4] = 0;\
1142                                         _seqbuf[_seqbufptr+5] = 0;\
1143                                         _seqbuf[_seqbufptr+6] = 0;\
1144                                         _seqbuf[_seqbufptr+7] = 0;\
1145                                         _SEQ_ADVBUF(8);}
1146
1147 /*
1148  * Midi voice messages
1149  */
1150
1151 #define _CHN_VOICE(dev, event, chn, note, parm) \
1152                                         {_SEQ_NEEDBUF(8);\
1153                                         _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1154                                         _seqbuf[_seqbufptr+1] = (dev);\
1155                                         _seqbuf[_seqbufptr+2] = (event);\
1156                                         _seqbuf[_seqbufptr+3] = (chn);\
1157                                         _seqbuf[_seqbufptr+4] = (note);\
1158                                         _seqbuf[_seqbufptr+5] = (parm);\
1159                                         _seqbuf[_seqbufptr+6] = (0);\
1160                                         _seqbuf[_seqbufptr+7] = 0;\
1161                                         _SEQ_ADVBUF(8);}
1162
1163 #define SEQ_START_NOTE(dev, chn, note, vol) \
1164                 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1165
1166 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1167                 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1168
1169 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1170                 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1171
1172 /*
1173  * Midi channel messages
1174  */
1175
1176 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1177                                         {_SEQ_NEEDBUF(8);\
1178                                         _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1179                                         _seqbuf[_seqbufptr+1] = (dev);\
1180                                         _seqbuf[_seqbufptr+2] = (event);\
1181                                         _seqbuf[_seqbufptr+3] = (chn);\
1182                                         _seqbuf[_seqbufptr+4] = (p1);\
1183                                         _seqbuf[_seqbufptr+5] = (p2);\
1184                                         *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1185                                         _SEQ_ADVBUF(8);}
1186 /*
1187  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1188  * sending any MIDI bytes but it's absolutely not possible. Trying to do
1189  * so _will_ cause problems with MPU401 intelligent mode).
1190  *
1191  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1192  * sent by calling SEQ_SYSEX() several times (there must be no other events
1193  * between them). First sysex fragment must have 0xf0 in the first byte
1194  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1195  * between these sysex start and end markers cannot be larger than 0x7f. Also
1196  * lengths of each fragments (except the last one) must be 6.
1197  *
1198  * Breaking the above rules may work with some MIDI ports but is likely to
1199  * cause fatal problems with some other devices (such as MPU401).
1200  */
1201 #define SEQ_SYSEX(dev, buf, len) \
1202                                         {int ii, ll=(len); \
1203                                          unsigned char *bufp=buf;\
1204                                          if (ll>6)ll=6;\
1205                                         _SEQ_NEEDBUF(8);\
1206                                         _seqbuf[_seqbufptr] = EV_SYSEX;\
1207                                         _seqbuf[_seqbufptr+1] = (dev);\
1208                                         for(ii=0;ii<ll;ii++)\
1209                                            _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1210                                         for(ii=ll;ii<6;ii++)\
1211                                            _seqbuf[_seqbufptr+ii+2] = 0xff;\
1212                                         _SEQ_ADVBUF(8);}
1213
1214 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1215                 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1216
1217 #define SEQ_SET_PATCH SEQ_PGM_CHANGE
1218 #ifdef OSSLIB
1219 #   define SEQ_PGM_CHANGE(dev, chn, patch) \
1220                 {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
1221                  _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
1222 #else
1223 #   define SEQ_PGM_CHANGE(dev, chn, patch) \
1224                 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1225 #endif
1226
1227 #define SEQ_CONTROL(dev, chn, controller, value) \
1228                 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1229
1230 #define SEQ_BENDER(dev, chn, value) \
1231                 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1232
1233
1234 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1235                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1236                                         _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1237                                         _seqbuf[_seqbufptr+2] = (dev);\
1238                                         _seqbuf[_seqbufptr+3] = (voice);\
1239                                         _seqbuf[_seqbufptr+4] = (controller);\
1240                                         _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1241                                         _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1242                                         _seqbuf[_seqbufptr+7] = 0;\
1243                                         _SEQ_ADVBUF(8);}
1244 /*
1245  * The following 5 macros are incorrectly implemented and obsolete.
1246  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1247  */
1248 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1249 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1250 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1251 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1252 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1253
1254 /*
1255  * Timing and syncronization macros
1256  */
1257
1258 #define _TIMER_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1259                                         _seqbuf[_seqbufptr+0] = EV_TIMING; \
1260                                         _seqbuf[_seqbufptr+1] = (ev); \
1261                                         _seqbuf[_seqbufptr+2] = 0;\
1262                                         _seqbuf[_seqbufptr+3] = 0;\
1263                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1264                                         _SEQ_ADVBUF(8);}
1265
1266 #define SEQ_START_TIMER()               _TIMER_EVENT(TMR_START, 0)
1267 #define SEQ_STOP_TIMER()                _TIMER_EVENT(TMR_STOP, 0)
1268 #define SEQ_CONTINUE_TIMER()            _TIMER_EVENT(TMR_CONTINUE, 0)
1269 #define SEQ_WAIT_TIME(ticks)            _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1270 #define SEQ_DELTA_TIME(ticks)           _TIMER_EVENT(TMR_WAIT_REL, ticks)
1271 #define SEQ_ECHO_BACK(key)              _TIMER_EVENT(TMR_ECHO, key)
1272 #define SEQ_SET_TEMPO(value)            _TIMER_EVENT(TMR_TEMPO, value)
1273 #define SEQ_SONGPOS(pos)                _TIMER_EVENT(TMR_SPP, pos)
1274 #define SEQ_TIME_SIGNATURE(sig)         _TIMER_EVENT(TMR_TIMESIG, sig)
1275
1276 /*
1277  * Local control events
1278  */
1279
1280 #define _LOCAL_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1281                                         _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1282                                         _seqbuf[_seqbufptr+1] = (ev); \
1283                                         _seqbuf[_seqbufptr+2] = 0;\
1284                                         _seqbuf[_seqbufptr+3] = 0;\
1285                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1286                                         _SEQ_ADVBUF(8);}
1287
1288 #define SEQ_PLAYAUDIO(devmask)          _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1289 /*
1290  * Events for the level 1 interface only
1291  */
1292
1293 #define SEQ_MIDIOUT(device, byte)       {_SEQ_NEEDBUF(4);\
1294                                         _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1295                                         _seqbuf[_seqbufptr+1] = (byte);\
1296                                         _seqbuf[_seqbufptr+2] = (device);\
1297                                         _seqbuf[_seqbufptr+3] = 0;\
1298                                         _SEQ_ADVBUF(4);}
1299
1300 /*
1301  * Patch loading.
1302  */
1303 #ifdef OSSLIB
1304 #   define SEQ_WRPATCH(patchx, len) \
1305                 OSS_write_patch(seqfd, (char*)(patchx), len)
1306 #   define SEQ_WRPATCH2(patchx, len) \
1307                 OSS_write_patch2(seqfd, (char*)(patchx), len)
1308 #else
1309 #   define SEQ_WRPATCH(patchx, len) \
1310                 {if (_seqbufptr) SEQ_DUMPBUF();\
1311                  if (write(seqfd, (char*)(patchx), len)==-1) \
1312                     perror("Write patch: /dev/sequencer");}
1313 #   define SEQ_WRPATCH2(patchx, len) \
1314                 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1315 #endif
1316
1317 #endif
1318 #endif