root/include/uapi/linux/soundcard.h

INCLUDED FROM

   1 /*
   2  * Copyright by Hannu Savolainen 1993-1997
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met: 1. Redistributions of source code must retain the above copyright
   7  * notice, this list of conditions and the following disclaimer. 2.
   8  * Redistributions in binary form must reproduce the above copyright notice,
   9  * this list of conditions and the following disclaimer in the documentation
  10  * and/or other materials provided with the distribution.
  11  *
  12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  13  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  14  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  15  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  16  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  17  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  18  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  19  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  20  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  21  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  22  * SUCH DAMAGE.
  23  */
  24 #ifndef _UAPISOUNDCARD_H
  25 #define _UAPISOUNDCARD_H
  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 #ifndef __KERNEL__
  44 #  include <endian.h>
  45 #endif
  46 
  47 /*
  48  *      Supported card ID numbers (Should be somewhere else?)
  49  */
  50 
  51 #define SNDCARD_ADLIB           1
  52 #define SNDCARD_SB              2
  53 #define SNDCARD_PAS             3
  54 #define SNDCARD_GUS             4
  55 #define SNDCARD_MPU401          5
  56 #define SNDCARD_SB16            6
  57 #define SNDCARD_SB16MIDI        7
  58 #define SNDCARD_UART6850        8
  59 #define SNDCARD_GUS16           9
  60 #define SNDCARD_MSS             10
  61 #define SNDCARD_PSS             11
  62 #define SNDCARD_SSCAPE          12
  63 #define SNDCARD_PSS_MPU         13
  64 #define SNDCARD_PSS_MSS         14
  65 #define SNDCARD_SSCAPE_MSS      15
  66 #define SNDCARD_TRXPRO          16
  67 #define SNDCARD_TRXPRO_SB       17
  68 #define SNDCARD_TRXPRO_MPU      18
  69 #define SNDCARD_MAD16           19
  70 #define SNDCARD_MAD16_MPU       20
  71 #define SNDCARD_CS4232          21
  72 #define SNDCARD_CS4232_MPU      22
  73 #define SNDCARD_MAUI            23
  74 #define SNDCARD_PSEUDO_MSS      24
  75 #define SNDCARD_GUSPNP          25
  76 #define SNDCARD_UART401         26
  77 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
  78 
  79 /***********************************
  80  * IOCTL Commands for /dev/sequencer
  81  */
  82 
  83 #ifndef _SIOWR
  84 #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
  85 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
  86 #define SIOCPARM_MASK   IOCPARM_MASK
  87 #define SIOC_VOID       IOC_VOID
  88 #define SIOC_OUT        IOC_OUT
  89 #define SIOC_IN         IOC_IN
  90 #define SIOC_INOUT      IOC_INOUT
  91 #define _SIOC_SIZE      _IOC_SIZE
  92 #define _SIOC_DIR       _IOC_DIR
  93 #define _SIOC_NONE      _IOC_NONE
  94 #define _SIOC_READ      _IOC_READ
  95 #define _SIOC_WRITE     _IOC_WRITE
  96 #define _SIO            _IO
  97 #define _SIOR           _IOR
  98 #define _SIOW           _IOW
  99 #define _SIOWR          _IOWR
 100 #else
 101 
 102 /* Ioctl's have the command encoded in the lower word,
 103  * and the size of any in or out parameters in the upper
 104  * word.  The high 2 bits of the upper word are used
 105  * to encode the in/out status of the parameter; for now
 106  * we restrict parameters to at most 8191 bytes.
 107  */
 108 /* #define      SIOCTYPE                (0xff<<8) */
 109 #define SIOCPARM_MASK   0x1fff          /* parameters must be < 8192 bytes */
 110 #define SIOC_VOID       0x00000000      /* no parameters */
 111 #define SIOC_OUT        0x20000000      /* copy out parameters */
 112 #define SIOC_IN         0x40000000      /* copy in parameters */
 113 #define SIOC_INOUT      (SIOC_IN|SIOC_OUT)
 114 /* the 0x20000000 is so we can distinguish new ioctl's from old */
 115 #define _SIO(x,y)       ((int)(SIOC_VOID|(x<<8)|y))
 116 #define _SIOR(x,y,t)    ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 117 #define _SIOW(x,y,t)    ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 118 /* this should be _SIORW, but stdio got there first */
 119 #define _SIOWR(x,y,t)   ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
 120 #define _SIOC_SIZE(x)   ((x>>16)&SIOCPARM_MASK) 
 121 #define _SIOC_DIR(x)    (x & 0xf0000000)
 122 #define _SIOC_NONE      SIOC_VOID
 123 #define _SIOC_READ      SIOC_OUT
 124 #define _SIOC_WRITE     SIOC_IN
 125 #  endif /* _IOWR */
 126 #endif  /* !_SIOWR */
 127 
 128 #define SNDCTL_SEQ_RESET                _SIO  ('Q', 0)
 129 #define SNDCTL_SEQ_SYNC                 _SIO  ('Q', 1)
 130 #define SNDCTL_SYNTH_INFO               _SIOWR('Q', 2, struct synth_info)
 131 #define SNDCTL_SEQ_CTRLRATE             _SIOWR('Q', 3, int)     /* Set/get timer resolution (HZ) */
 132 #define SNDCTL_SEQ_GETOUTCOUNT          _SIOR ('Q', 4, int)
 133 #define SNDCTL_SEQ_GETINCOUNT           _SIOR ('Q', 5, int)
 134 #define SNDCTL_SEQ_PERCMODE             _SIOW ('Q', 6, int)
 135 #define SNDCTL_FM_LOAD_INSTR            _SIOW ('Q', 7, struct sbi_instrument)   /* Obsolete. Don't use!!!!!! */
 136 #define SNDCTL_SEQ_TESTMIDI             _SIOW ('Q', 8, int)
 137 #define SNDCTL_SEQ_RESETSAMPLES         _SIOW ('Q', 9, int)
 138 #define SNDCTL_SEQ_NRSYNTHS             _SIOR ('Q',10, int)
 139 #define SNDCTL_SEQ_NRMIDIS              _SIOR ('Q',11, int)
 140 #define SNDCTL_MIDI_INFO                _SIOWR('Q',12, struct midi_info)
 141 #define SNDCTL_SEQ_THRESHOLD            _SIOW ('Q',13, int)
 142 #define SNDCTL_SYNTH_MEMAVL             _SIOWR('Q',14, int)     /* in=dev#, out=memsize */
 143 #define SNDCTL_FM_4OP_ENABLE            _SIOW ('Q',15, int)     /* in=dev# */
 144 #define SNDCTL_SEQ_PANIC                _SIO  ('Q',17)
 145 #define SNDCTL_SEQ_OUTOFBAND            _SIOW ('Q',18, struct seq_event_rec)
 146 #define SNDCTL_SEQ_GETTIME              _SIOR ('Q',19, int)
 147 #define SNDCTL_SYNTH_ID                 _SIOWR('Q',20, struct synth_info)
 148 #define SNDCTL_SYNTH_CONTROL            _SIOWR('Q',21, struct synth_control)
 149 #define SNDCTL_SYNTH_REMOVESAMPLE       _SIOWR('Q',22, struct remove_sample)
 150 
 151 typedef struct synth_control
 152 {
 153         int devno;      /* Synthesizer # */
 154         char data[4000]; /* Device spesific command/data record */
 155 }synth_control;
 156 
 157 typedef struct remove_sample
 158 {
 159         int devno;      /* Synthesizer # */
 160         int bankno;     /* MIDI bank # (0=General MIDI) */
 161         int instrno;    /* MIDI instrument number */
 162 } remove_sample;
 163 
 164 typedef struct seq_event_rec {
 165                 unsigned char arr[8];
 166 } seq_event_rec;
 167 
 168 #define SNDCTL_TMR_TIMEBASE             _SIOWR('T', 1, int)
 169 #define SNDCTL_TMR_START                _SIO  ('T', 2)
 170 #define SNDCTL_TMR_STOP                 _SIO  ('T', 3)
 171 #define SNDCTL_TMR_CONTINUE             _SIO  ('T', 4)
 172 #define SNDCTL_TMR_TEMPO                _SIOWR('T', 5, int)
 173 #define SNDCTL_TMR_SOURCE               _SIOWR('T', 6, int)
 174 #       define TMR_INTERNAL             0x00000001
 175 #       define TMR_EXTERNAL             0x00000002
 176 #               define TMR_MODE_MIDI    0x00000010
 177 #               define TMR_MODE_FSK     0x00000020
 178 #               define TMR_MODE_CLS     0x00000040
 179 #               define TMR_MODE_SMPTE   0x00000080
 180 #define SNDCTL_TMR_METRONOME            _SIOW ('T', 7, int)
 181 #define SNDCTL_TMR_SELECT               _SIOW ('T', 8, int)
 182 
 183 /*
 184  * Some big endian/little endian handling macros
 185  */
 186 
 187 #define _LINUX_PATCHKEY_H_INDIRECT
 188 #include <linux/patchkey.h>
 189 #undef _LINUX_PATCHKEY_H_INDIRECT
 190 
 191 #if !defined(__KERNEL__)
 192 # if defined(__BYTE_ORDER)
 193 #  if __BYTE_ORDER == __BIG_ENDIAN
 194 #    define AFMT_S16_NE AFMT_S16_BE
 195 #  elif __BYTE_ORDER == __LITTLE_ENDIAN
 196 #    define AFMT_S16_NE AFMT_S16_LE
 197 #  else
 198 #    error "could not determine byte order"
 199 #  endif
 200 # endif
 201 #endif
 202 
 203 /*
 204  *      Sample loading mechanism for internal synthesizers (/dev/sequencer)
 205  *      The following patch_info structure has been designed to support
 206  *      Gravis UltraSound. It tries to be universal format for uploading
 207  *      sample based patches but is probably too limited.
 208  *
 209  *      (PBD) As Hannu guessed, the GUS structure is too limited for 
 210  *      the WaveFront, but this is the right place for a constant definition.
 211  */
 212 
 213 struct patch_info {
 214                 unsigned short key;             /* Use WAVE_PATCH here */
 215 #define WAVE_PATCH         _PATCHKEY(0x04)
 216 #define GUS_PATCH          WAVE_PATCH
 217 #define WAVEFRONT_PATCH    _PATCHKEY(0x06)
 218 
 219                 short device_no;        /* Synthesizer number */
 220                 short instr_no;         /* Midi pgm# */
 221 
 222                 unsigned int mode;
 223 /*
 224  * The least significant byte has the same format than the GUS .PAT
 225  * files
 226  */
 227 #define WAVE_16_BITS    0x01    /* bit 0 = 8 or 16 bit wave data. */
 228 #define WAVE_UNSIGNED   0x02    /* bit 1 = Signed - Unsigned data. */
 229 #define WAVE_LOOPING    0x04    /* bit 2 = looping enabled-1. */
 230 #define WAVE_BIDIR_LOOP 0x08    /* bit 3 = Set is bidirectional looping. */
 231 #define WAVE_LOOP_BACK  0x10    /* bit 4 = Set is looping backward. */
 232 #define WAVE_SUSTAIN_ON 0x20    /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
 233 #define WAVE_ENVELOPES  0x40    /* bit 6 = Enable envelopes - 1 */
 234 #define WAVE_FAST_RELEASE 0x80  /* bit 7 = Shut off immediately after note off */
 235                                 /*      (use the env_rate/env_offs fields). */
 236 /* Linux specific bits */
 237 #define WAVE_VIBRATO    0x00010000      /* The vibrato info is valid */
 238 #define WAVE_TREMOLO    0x00020000      /* The tremolo info is valid */
 239 #define WAVE_SCALE      0x00040000      /* The scaling info is valid */
 240 #define WAVE_FRACTIONS  0x00080000      /* Fraction information is valid */
 241 /* Reserved bits */
 242 #define WAVE_ROM        0x40000000      /* For future use */
 243 #define WAVE_MULAW      0x20000000      /* For future use */
 244 /* Other bits must be zeroed */
 245 
 246                 int len;        /* Size of the wave data in bytes */
 247                 int loop_start, loop_end; /* Byte offsets from the beginning */
 248 
 249 /* 
 250  * The base_freq and base_note fields are used when computing the
 251  * playback speed for a note. The base_note defines the tone frequency
 252  * which is heard if the sample is played using the base_freq as the
 253  * playback speed.
 254  *
 255  * The low_note and high_note fields define the minimum and maximum note
 256  * frequencies for which this sample is valid. It is possible to define
 257  * more than one samples for an instrument number at the same time. The
 258  * low_note and high_note fields are used to select the most suitable one.
 259  *
 260  * The fields base_note, high_note and low_note should contain
 261  * the note frequency multiplied by 1000. For example value for the
 262  * middle A is 440*1000.
 263  */
 264 
 265                 unsigned int base_freq;
 266                 unsigned int base_note;
 267                 unsigned int high_note;
 268                 unsigned int low_note;
 269                 int panning;    /* -128=left, 127=right */
 270                 int detuning;
 271 
 272 /*      New fields introduced in version 1.99.5 */
 273 
 274        /* Envelope. Enabled by mode bit WAVE_ENVELOPES  */
 275                 unsigned char   env_rate[ 6 ];   /* GUS HW ramping rate */
 276                 unsigned char   env_offset[ 6 ]; /* 255 == 100% */
 277 
 278         /* 
 279          * The tremolo, vibrato and scale info are not supported yet.
 280          * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
 281          * WAVE_SCALE
 282          */
 283 
 284                 unsigned char   tremolo_sweep;
 285                 unsigned char   tremolo_rate;
 286                 unsigned char   tremolo_depth;
 287         
 288                 unsigned char   vibrato_sweep;
 289                 unsigned char   vibrato_rate;
 290                 unsigned char   vibrato_depth;
 291 
 292                 int             scale_frequency;
 293                 unsigned int    scale_factor;           /* from 0 to 2048 or 0 to 2 */
 294         
 295                 int             volume;
 296                 int             fractions;
 297                 int             reserved1;
 298                 int             spare[2];
 299                 char data[1];   /* The waveform data starts here */
 300         };
 301 
 302 struct sysex_info {
 303                 short key;              /* Use SYSEX_PATCH or MAUI_PATCH here */
 304 #define SYSEX_PATCH     _PATCHKEY(0x05)
 305 #define MAUI_PATCH      _PATCHKEY(0x06)
 306                 short device_no;        /* Synthesizer number */
 307                 int len;        /* Size of the sysex data in bytes */
 308                 unsigned char data[1];  /* Sysex data starts here */
 309         };
 310 
 311 /*
 312  * /dev/sequencer input events.
 313  *
 314  * The data written to the /dev/sequencer is a stream of events. Events
 315  * are records of 4 or 8 bytes. The first byte defines the size. 
 316  * Any number of events can be written with a write call. There
 317  * is a set of macros for sending these events. Use these macros if you
 318  * want to maximize portability of your program.
 319  *
 320  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
 321  * (All input events are currently 4 bytes long. Be prepared to support
 322  * 8 byte events also. If you receive any event having first byte >= 128,
 323  * it's a 8 byte event.
 324  *
 325  * The events are documented at the end of this file.
 326  *
 327  * Normal events (4 bytes)
 328  * There is also a 8 byte version of most of the 4 byte events. The
 329  * 8 byte one is recommended.
 330  */
 331 #define SEQ_NOTEOFF             0
 332 #define SEQ_FMNOTEOFF           SEQ_NOTEOFF     /* Just old name */
 333 #define SEQ_NOTEON              1
 334 #define SEQ_FMNOTEON            SEQ_NOTEON
 335 #define SEQ_WAIT                TMR_WAIT_ABS
 336 #define SEQ_PGMCHANGE           3
 337 #define SEQ_FMPGMCHANGE         SEQ_PGMCHANGE
 338 #define SEQ_SYNCTIMER           TMR_START
 339 #define SEQ_MIDIPUTC            5
 340 #define SEQ_DRUMON              6       /*** OBSOLETE ***/
 341 #define SEQ_DRUMOFF             7       /*** OBSOLETE ***/
 342 #define SEQ_ECHO                TMR_ECHO        /* For synching programs with output */
 343 #define SEQ_AFTERTOUCH          9
 344 #define SEQ_CONTROLLER          10
 345 
 346 /*******************************************
 347  *      Midi controller numbers
 348  *******************************************
 349  * Controllers 0 to 31 (0x00 to 0x1f) and
 350  * 32 to 63 (0x20 to 0x3f) are continuous
 351  * controllers.
 352  * In the MIDI 1.0 these controllers are sent using
 353  * two messages. Controller numbers 0 to 31 are used
 354  * to send the MSB and the controller numbers 32 to 63
 355  * are for the LSB. Note that just 7 bits are used in MIDI bytes.
 356  */
 357 
 358 #define    CTL_BANK_SELECT              0x00
 359 #define    CTL_MODWHEEL                 0x01
 360 #define    CTL_BREATH                   0x02
 361 /*              undefined               0x03 */
 362 #define    CTL_FOOT                     0x04
 363 #define    CTL_PORTAMENTO_TIME          0x05
 364 #define    CTL_DATA_ENTRY               0x06
 365 #define    CTL_MAIN_VOLUME              0x07
 366 #define    CTL_BALANCE                  0x08
 367 /*              undefined               0x09 */
 368 #define    CTL_PAN                      0x0a
 369 #define    CTL_EXPRESSION               0x0b
 370 /*              undefined               0x0c */
 371 /*              undefined               0x0d */
 372 /*              undefined               0x0e */
 373 /*              undefined               0x0f */
 374 #define    CTL_GENERAL_PURPOSE1 0x10
 375 #define    CTL_GENERAL_PURPOSE2 0x11
 376 #define    CTL_GENERAL_PURPOSE3 0x12
 377 #define    CTL_GENERAL_PURPOSE4 0x13
 378 /*              undefined               0x14 - 0x1f */
 379 
 380 /*              undefined               0x20 */
 381 /* The controller numbers 0x21 to 0x3f are reserved for the */
 382 /* least significant bytes of the controllers 0x00 to 0x1f. */
 383 /* These controllers are not recognised by the driver. */
 384 
 385 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
 386 /* 0=OFF and 127=ON (intermediate values are possible) */
 387 #define    CTL_DAMPER_PEDAL             0x40
 388 #define    CTL_SUSTAIN                  0x40    /* Alias */
 389 #define    CTL_HOLD                     0x40    /* Alias */
 390 #define    CTL_PORTAMENTO               0x41
 391 #define    CTL_SOSTENUTO                0x42
 392 #define    CTL_SOFT_PEDAL               0x43
 393 /*              undefined               0x44 */
 394 #define    CTL_HOLD2                    0x45
 395 /*              undefined               0x46 - 0x4f */
 396 
 397 #define    CTL_GENERAL_PURPOSE5 0x50
 398 #define    CTL_GENERAL_PURPOSE6 0x51
 399 #define    CTL_GENERAL_PURPOSE7 0x52
 400 #define    CTL_GENERAL_PURPOSE8 0x53
 401 /*              undefined               0x54 - 0x5a */
 402 #define    CTL_EXT_EFF_DEPTH            0x5b
 403 #define    CTL_TREMOLO_DEPTH            0x5c
 404 #define    CTL_CHORUS_DEPTH             0x5d
 405 #define    CTL_DETUNE_DEPTH             0x5e
 406 #define    CTL_CELESTE_DEPTH            0x5e    /* Alias for the above one */
 407 #define    CTL_PHASER_DEPTH             0x5f
 408 #define    CTL_DATA_INCREMENT           0x60
 409 #define    CTL_DATA_DECREMENT           0x61
 410 #define    CTL_NONREG_PARM_NUM_LSB      0x62
 411 #define    CTL_NONREG_PARM_NUM_MSB      0x63
 412 #define    CTL_REGIST_PARM_NUM_LSB      0x64
 413 #define    CTL_REGIST_PARM_NUM_MSB      0x65
 414 /*              undefined               0x66 - 0x78 */
 415 /*              reserved                0x79 - 0x7f */
 416 
 417 /* Pseudo controllers (not midi compatible) */
 418 #define    CTRL_PITCH_BENDER            255
 419 #define    CTRL_PITCH_BENDER_RANGE      254
 420 #define    CTRL_EXPRESSION              253     /* Obsolete */
 421 #define    CTRL_MAIN_VOLUME             252     /* Obsolete */
 422 #define SEQ_BALANCE             11
 423 #define SEQ_VOLMODE             12
 424 
 425 /*
 426  * Volume mode decides how volumes are used
 427  */
 428 
 429 #define VOL_METHOD_ADAGIO       1
 430 #define VOL_METHOD_LINEAR       2
 431 
 432 /*
 433  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
 434  *       input events.
 435  */
 436 
 437 /*
 438  * Event codes 0xf0 to 0xfc are reserved for future extensions.
 439  */
 440 
 441 #define SEQ_FULLSIZE            0xfd    /* Long events */
 442 /*
 443  *      SEQ_FULLSIZE events are used for loading patches/samples to the
 444  *      synthesizer devices. These events are passed directly to the driver
 445  *      of the associated synthesizer device. There is no limit to the size
 446  *      of the extended events. These events are not queued but executed
 447  *      immediately when the write() is called (execution can take several
 448  *      seconds of time). 
 449  *
 450  *      When a SEQ_FULLSIZE message is written to the device, it must
 451  *      be written using exactly one write() call. Other events cannot
 452  *      be mixed to the same write.
 453  *      
 454  *      For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 
 455  *      /dev/sequencer. Don't write other data together with the instrument structure
 456  *      Set the key field of the structure to FM_PATCH. The device field is used to
 457  *      route the patch to the corresponding device.
 458  *
 459  *      For wave table use struct patch_info. Initialize the key field
 460  *      to WAVE_PATCH.
 461  */
 462 #define SEQ_PRIVATE             0xfe    /* Low level HW dependent events (8 bytes) */
 463 #define SEQ_EXTENDED            0xff    /* Extended events (8 bytes) OBSOLETE */
 464 
 465 /*
 466  * Record for FM patches
 467  */
 468 
 469 typedef unsigned char sbi_instr_data[32];
 470 
 471 struct sbi_instrument {
 472                 unsigned short  key;    /* FM_PATCH or OPL3_PATCH */
 473 #define FM_PATCH        _PATCHKEY(0x01)
 474 #define OPL3_PATCH      _PATCHKEY(0x03)
 475                 short           device;         /*      Synth# (0-4)    */
 476                 int             channel;        /*      Program# to be initialized      */
 477                 sbi_instr_data  operators;      /*      Register settings for operator cells (.SBI format)      */
 478         };
 479 
 480 struct synth_info {     /* Read only */
 481                 char    name[30];
 482                 int     device;         /* 0-N. INITIALIZE BEFORE CALLING */
 483                 int     synth_type;
 484 #define SYNTH_TYPE_FM                   0
 485 #define SYNTH_TYPE_SAMPLE               1
 486 #define SYNTH_TYPE_MIDI                 2       /* Midi interface */
 487 
 488                 int     synth_subtype;
 489 #define FM_TYPE_ADLIB                   0x00
 490 #define FM_TYPE_OPL3                    0x01
 491 #define MIDI_TYPE_MPU401                0x401
 492 
 493 #define SAMPLE_TYPE_BASIC               0x10
 494 #define SAMPLE_TYPE_GUS                 SAMPLE_TYPE_BASIC
 495 #define SAMPLE_TYPE_WAVEFRONT           0x11
 496 
 497                 int     perc_mode;      /* No longer supported */
 498                 int     nr_voices;
 499                 int     nr_drums;       /* Obsolete field */
 500                 int     instr_bank_size;
 501                 unsigned int    capabilities;   
 502 #define SYNTH_CAP_PERCMODE              0x00000001 /* No longer used */
 503 #define SYNTH_CAP_OPL3                  0x00000002 /* Set if OPL3 supported */
 504 #define SYNTH_CAP_INPUT                 0x00000004 /* Input (MIDI) device */
 505                 int     dummies[19];    /* Reserve space */
 506         };
 507 
 508 struct sound_timer_info {
 509                 char name[32];
 510                 int caps;
 511         };
 512 
 513 #define MIDI_CAP_MPU401         1               /* MPU-401 intelligent mode */
 514 
 515 struct midi_info {
 516                 char            name[30];
 517                 int             device;         /* 0-N. INITIALIZE BEFORE CALLING */
 518                 unsigned int    capabilities;   /* To be defined later */
 519                 int             dev_type;
 520                 int             dummies[18];    /* Reserve space */
 521         };
 522 
 523 /********************************************
 524  * ioctl commands for the /dev/midi##
 525  */
 526 typedef struct {
 527                 unsigned char cmd;
 528                 char nr_args, nr_returns;
 529                 unsigned char data[30];
 530         } mpu_command_rec;
 531 
 532 #define SNDCTL_MIDI_PRETIME             _SIOWR('m', 0, int)
 533 #define SNDCTL_MIDI_MPUMODE             _SIOWR('m', 1, int)
 534 #define SNDCTL_MIDI_MPUCMD              _SIOWR('m', 2, mpu_command_rec)
 535 
 536 /********************************************
 537  * IOCTL commands for /dev/dsp and /dev/audio
 538  */
 539 
 540 #define SNDCTL_DSP_RESET                _SIO  ('P', 0)
 541 #define SNDCTL_DSP_SYNC                 _SIO  ('P', 1)
 542 #define SNDCTL_DSP_SPEED                _SIOWR('P', 2, int)
 543 #define SNDCTL_DSP_STEREO               _SIOWR('P', 3, int)
 544 #define SNDCTL_DSP_GETBLKSIZE           _SIOWR('P', 4, int)
 545 #define SNDCTL_DSP_SAMPLESIZE           SNDCTL_DSP_SETFMT
 546 #define SNDCTL_DSP_CHANNELS             _SIOWR('P', 6, int)
 547 #define SOUND_PCM_WRITE_CHANNELS        SNDCTL_DSP_CHANNELS
 548 #define SOUND_PCM_WRITE_FILTER          _SIOWR('P', 7, int)
 549 #define SNDCTL_DSP_POST                 _SIO  ('P', 8)
 550 #define SNDCTL_DSP_SUBDIVIDE            _SIOWR('P', 9, int)
 551 #define SNDCTL_DSP_SETFRAGMENT          _SIOWR('P',10, int)
 552 
 553 /*      Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
 554 #define SNDCTL_DSP_GETFMTS              _SIOR ('P',11, int) /* Returns a mask */
 555 #define SNDCTL_DSP_SETFMT               _SIOWR('P',5, int) /* Selects ONE fmt*/
 556 #       define AFMT_QUERY               0x00000000      /* Return current fmt */
 557 #       define AFMT_MU_LAW              0x00000001
 558 #       define AFMT_A_LAW               0x00000002
 559 #       define AFMT_IMA_ADPCM           0x00000004
 560 #       define AFMT_U8                  0x00000008
 561 #       define AFMT_S16_LE              0x00000010      /* Little endian signed 16*/
 562 #       define AFMT_S16_BE              0x00000020      /* Big endian signed 16 */
 563 #       define AFMT_S8                  0x00000040
 564 #       define AFMT_U16_LE              0x00000080      /* Little endian U16 */
 565 #       define AFMT_U16_BE              0x00000100      /* Big endian U16 */
 566 #       define AFMT_MPEG                0x00000200      /* MPEG (2) audio */
 567 #       define AFMT_AC3         0x00000400      /* Dolby Digital AC3 */
 568 
 569 /*
 570  * Buffer status queries.
 571  */
 572 typedef struct audio_buf_info {
 573                         int fragments;  /* # of available fragments (partially usend ones not counted) */
 574                         int fragstotal; /* Total # of fragments allocated */
 575                         int fragsize;   /* Size of a fragment in bytes */
 576 
 577                         int bytes;      /* Available space in bytes (includes partially used fragments) */
 578                         /* Note! 'bytes' could be more than fragments*fragsize */
 579                 } audio_buf_info;
 580 
 581 #define SNDCTL_DSP_GETOSPACE            _SIOR ('P',12, audio_buf_info)
 582 #define SNDCTL_DSP_GETISPACE            _SIOR ('P',13, audio_buf_info)
 583 #define SNDCTL_DSP_NONBLOCK             _SIO  ('P',14)
 584 #define SNDCTL_DSP_GETCAPS              _SIOR ('P',15, int)
 585 #       define DSP_CAP_REVISION         0x000000ff      /* Bits for revision level (0 to 255) */
 586 #       define DSP_CAP_DUPLEX           0x00000100      /* Full duplex record/playback */
 587 #       define DSP_CAP_REALTIME         0x00000200      /* Real time capability */
 588 #       define DSP_CAP_BATCH            0x00000400      /* Device has some kind of */
 589                                                         /* internal buffers which may */
 590                                                         /* cause some delays and */
 591                                                         /* decrease precision of timing */
 592 #       define DSP_CAP_COPROC           0x00000800      /* Has a coprocessor */
 593                                                         /* Sometimes it's a DSP */
 594                                                         /* but usually not */
 595 #       define DSP_CAP_TRIGGER          0x00001000      /* Supports SETTRIGGER */
 596 #       define DSP_CAP_MMAP             0x00002000      /* Supports mmap() */
 597 #       define DSP_CAP_MULTI            0x00004000      /* support multiple open */
 598 #       define DSP_CAP_BIND             0x00008000      /* channel binding to front/rear/cneter/lfe */
 599 
 600 
 601 #define SNDCTL_DSP_GETTRIGGER           _SIOR ('P',16, int)
 602 #define SNDCTL_DSP_SETTRIGGER           _SIOW ('P',16, int)
 603 #       define PCM_ENABLE_INPUT         0x00000001
 604 #       define PCM_ENABLE_OUTPUT                0x00000002
 605 
 606 typedef struct count_info {
 607                 int bytes;      /* Total # of bytes processed */
 608                 int blocks;     /* # of fragment transitions since last time */
 609                 int ptr;        /* Current DMA pointer value */
 610         } count_info;
 611 
 612 #define SNDCTL_DSP_GETIPTR              _SIOR ('P',17, count_info)
 613 #define SNDCTL_DSP_GETOPTR              _SIOR ('P',18, count_info)
 614 
 615 typedef struct buffmem_desc {
 616                 unsigned *buffer;
 617                 int size;
 618         } buffmem_desc;
 619 #define SNDCTL_DSP_MAPINBUF             _SIOR ('P', 19, buffmem_desc)
 620 #define SNDCTL_DSP_MAPOUTBUF            _SIOR ('P', 20, buffmem_desc)
 621 #define SNDCTL_DSP_SETSYNCRO            _SIO  ('P', 21)
 622 #define SNDCTL_DSP_SETDUPLEX            _SIO  ('P', 22)
 623 #define SNDCTL_DSP_GETODELAY            _SIOR ('P', 23, int)
 624 
 625 #define SNDCTL_DSP_GETCHANNELMASK               _SIOWR('P', 64, int)
 626 #define SNDCTL_DSP_BIND_CHANNEL         _SIOWR('P', 65, int)
 627 #       define DSP_BIND_QUERY           0x00000000
 628 #       define DSP_BIND_FRONT           0x00000001
 629 #       define DSP_BIND_SURR            0x00000002
 630 #       define DSP_BIND_CENTER_LFE      0x00000004
 631 #       define DSP_BIND_HANDSET         0x00000008
 632 #       define DSP_BIND_MIC             0x00000010
 633 #       define DSP_BIND_MODEM1          0x00000020
 634 #       define DSP_BIND_MODEM2          0x00000040
 635 #       define DSP_BIND_I2S             0x00000080
 636 #       define DSP_BIND_SPDIF           0x00000100
 637 
 638 #define SNDCTL_DSP_SETSPDIF             _SIOW ('P', 66, int)
 639 #define SNDCTL_DSP_GETSPDIF             _SIOR ('P', 67, int)
 640 #       define SPDIF_PRO        0x0001
 641 #       define SPDIF_N_AUD      0x0002
 642 #       define SPDIF_COPY       0x0004
 643 #       define SPDIF_PRE        0x0008
 644 #       define SPDIF_CC         0x07f0
 645 #       define SPDIF_L          0x0800
 646 #       define SPDIF_DRS        0x4000
 647 #       define SPDIF_V          0x8000
 648 
 649 /*
 650  * Application's profile defines the way how playback underrun situations should be handled.
 651  * 
 652  *      APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
 653  *      playback buffer whenever an underrun occurs. This consumes some time
 654  *      prevents looping the existing buffer.
 655  *      APF_CPUINTENS is intended to be set by CPU intensive applications which
 656  *      are likely to run out of time occasionally. In this mode the buffer cleanup is
 657  *      disabled which saves CPU time but also let's the previous buffer content to
 658  *      be played during the "pause" after the underrun.
 659  */
 660 #define SNDCTL_DSP_PROFILE              _SIOW ('P', 23, int)
 661 #define   APF_NORMAL    0       /* Normal applications */
 662 #define   APF_NETWORK   1       /* Underruns probably caused by an "external" delay */
 663 #define   APF_CPUINTENS 2       /* Underruns probably caused by "overheating" the CPU */
 664 
 665 #define SOUND_PCM_READ_RATE             _SIOR ('P', 2, int)
 666 #define SOUND_PCM_READ_CHANNELS         _SIOR ('P', 6, int)
 667 #define SOUND_PCM_READ_BITS             _SIOR ('P', 5, int)
 668 #define SOUND_PCM_READ_FILTER           _SIOR ('P', 7, int)
 669 
 670 /* Some alias names */
 671 #define SOUND_PCM_WRITE_BITS            SNDCTL_DSP_SETFMT
 672 #define SOUND_PCM_WRITE_RATE            SNDCTL_DSP_SPEED
 673 #define SOUND_PCM_POST                  SNDCTL_DSP_POST
 674 #define SOUND_PCM_RESET                 SNDCTL_DSP_RESET
 675 #define SOUND_PCM_SYNC                  SNDCTL_DSP_SYNC
 676 #define SOUND_PCM_SUBDIVIDE             SNDCTL_DSP_SUBDIVIDE
 677 #define SOUND_PCM_SETFRAGMENT           SNDCTL_DSP_SETFRAGMENT
 678 #define SOUND_PCM_GETFMTS               SNDCTL_DSP_GETFMTS
 679 #define SOUND_PCM_SETFMT                SNDCTL_DSP_SETFMT
 680 #define SOUND_PCM_GETOSPACE             SNDCTL_DSP_GETOSPACE
 681 #define SOUND_PCM_GETISPACE             SNDCTL_DSP_GETISPACE
 682 #define SOUND_PCM_NONBLOCK              SNDCTL_DSP_NONBLOCK
 683 #define SOUND_PCM_GETCAPS               SNDCTL_DSP_GETCAPS
 684 #define SOUND_PCM_GETTRIGGER            SNDCTL_DSP_GETTRIGGER
 685 #define SOUND_PCM_SETTRIGGER            SNDCTL_DSP_SETTRIGGER
 686 #define SOUND_PCM_SETSYNCRO             SNDCTL_DSP_SETSYNCRO
 687 #define SOUND_PCM_GETIPTR               SNDCTL_DSP_GETIPTR
 688 #define SOUND_PCM_GETOPTR               SNDCTL_DSP_GETOPTR
 689 #define SOUND_PCM_MAPINBUF              SNDCTL_DSP_MAPINBUF
 690 #define SOUND_PCM_MAPOUTBUF             SNDCTL_DSP_MAPOUTBUF
 691 
 692 /*
 693  * ioctl calls to be used in communication with coprocessors and
 694  * DSP chips.
 695  */
 696 
 697 typedef struct copr_buffer {
 698                 int command;    /* Set to 0 if not used */
 699                 int flags;
 700 #define CPF_NONE                0x0000
 701 #define CPF_FIRST               0x0001  /* First block */
 702 #define CPF_LAST                0x0002  /* Last block */
 703                 int len;
 704                 int offs;       /* If required by the device (0 if not used) */
 705 
 706                 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
 707         } copr_buffer;
 708 
 709 typedef struct copr_debug_buf {
 710                 int command;    /* Used internally. Set to 0 */
 711                 int parm1;
 712                 int parm2;
 713                 int flags;      
 714                 int len;        /* Length of data in bytes */
 715         } copr_debug_buf;
 716 
 717 typedef struct copr_msg {
 718                 int len;
 719                 unsigned char data[4000];
 720         } copr_msg;
 721 
 722 #define SNDCTL_COPR_RESET             _SIO  ('C',  0)
 723 #define SNDCTL_COPR_LOAD              _SIOWR('C',  1, copr_buffer)
 724 #define SNDCTL_COPR_RDATA             _SIOWR('C',  2, copr_debug_buf)
 725 #define SNDCTL_COPR_RCODE             _SIOWR('C',  3, copr_debug_buf)
 726 #define SNDCTL_COPR_WDATA             _SIOW ('C',  4, copr_debug_buf)
 727 #define SNDCTL_COPR_WCODE             _SIOW ('C',  5, copr_debug_buf)
 728 #define SNDCTL_COPR_RUN               _SIOWR('C',  6, copr_debug_buf)
 729 #define SNDCTL_COPR_HALT              _SIOWR('C',  7, copr_debug_buf)
 730 #define SNDCTL_COPR_SENDMSG           _SIOWR('C',  8, copr_msg)
 731 #define SNDCTL_COPR_RCVMSG            _SIOR ('C',  9, copr_msg)
 732 
 733 /*********************************************
 734  * IOCTL commands for /dev/mixer
 735  */
 736         
 737 /* 
 738  * Mixer devices
 739  *
 740  * There can be up to 20 different analog mixer channels. The
 741  * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 
 742  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
 743  * the devices supported by the particular mixer.
 744  */
 745 
 746 #define SOUND_MIXER_NRDEVICES   25
 747 #define SOUND_MIXER_VOLUME      0
 748 #define SOUND_MIXER_BASS        1
 749 #define SOUND_MIXER_TREBLE      2
 750 #define SOUND_MIXER_SYNTH       3
 751 #define SOUND_MIXER_PCM         4
 752 #define SOUND_MIXER_SPEAKER     5
 753 #define SOUND_MIXER_LINE        6
 754 #define SOUND_MIXER_MIC         7
 755 #define SOUND_MIXER_CD          8
 756 #define SOUND_MIXER_IMIX        9       /*  Recording monitor  */
 757 #define SOUND_MIXER_ALTPCM      10
 758 #define SOUND_MIXER_RECLEV      11      /* Recording level */
 759 #define SOUND_MIXER_IGAIN       12      /* Input gain */
 760 #define SOUND_MIXER_OGAIN       13      /* Output gain */
 761 /* 
 762  * The AD1848 codec and compatibles have three line level inputs
 763  * (line, aux1 and aux2). Since each card manufacturer have assigned
 764  * different meanings to these inputs, it's inpractical to assign
 765  * specific meanings (line, cd, synth etc.) to them.
 766  */
 767 #define SOUND_MIXER_LINE1       14      /* Input source 1  (aux1) */
 768 #define SOUND_MIXER_LINE2       15      /* Input source 2  (aux2) */
 769 #define SOUND_MIXER_LINE3       16      /* Input source 3  (line) */
 770 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
 771 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
 772 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
 773 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
 774 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
 775 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
 776 #define SOUND_MIXER_RADIO       23      /* Radio in */
 777 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
 778 
 779 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
 780 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
 781 #define SOUND_ONOFF_MIN         28
 782 #define SOUND_ONOFF_MAX         30
 783 
 784 /* Note!        Number 31 cannot be used since the sign bit is reserved */
 785 #define SOUND_MIXER_NONE        31
 786 
 787 /*
 788  * The following unsupported macros are no longer functional.
 789  * Use SOUND_MIXER_PRIVATE# macros in future.
 790  */
 791 #define SOUND_MIXER_ENHANCE     SOUND_MIXER_NONE
 792 #define SOUND_MIXER_MUTE        SOUND_MIXER_NONE
 793 #define SOUND_MIXER_LOUD        SOUND_MIXER_NONE
 794 
 795 
 796 #define SOUND_DEVICE_LABELS     {"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
 797                                  "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
 798                                  "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
 799                                  "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
 800 
 801 #define SOUND_DEVICE_NAMES      {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
 802                                  "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
 803                                  "line1", "line2", "line3", "dig1", "dig2", "dig3", \
 804                                  "phin", "phout", "video", "radio", "monitor"}
 805 
 806 /*      Device bitmask identifiers      */
 807 
 808 #define SOUND_MIXER_RECSRC      0xff    /* Arg contains a bit for each recording source */
 809 #define SOUND_MIXER_DEVMASK     0xfe    /* Arg contains a bit for each supported device */
 810 #define SOUND_MIXER_RECMASK     0xfd    /* Arg contains a bit for each supported recording source */
 811 #define SOUND_MIXER_CAPS        0xfc
 812 #       define SOUND_CAP_EXCL_INPUT     0x00000001      /* Only one recording source at a time */
 813 #define SOUND_MIXER_STEREODEVS  0xfb    /* Mixer channels supporting stereo */
 814 #define SOUND_MIXER_OUTSRC      0xfa    /* Arg contains a bit for each input source to output */
 815 #define SOUND_MIXER_OUTMASK     0xf9    /* Arg contains a bit for each supported input source to output */
 816 
 817 /*      Device mask bits        */
 818 
 819 #define SOUND_MASK_VOLUME       (1 << SOUND_MIXER_VOLUME)
 820 #define SOUND_MASK_BASS         (1 << SOUND_MIXER_BASS)
 821 #define SOUND_MASK_TREBLE       (1 << SOUND_MIXER_TREBLE)
 822 #define SOUND_MASK_SYNTH        (1 << SOUND_MIXER_SYNTH)
 823 #define SOUND_MASK_PCM          (1 << SOUND_MIXER_PCM)
 824 #define SOUND_MASK_SPEAKER      (1 << SOUND_MIXER_SPEAKER)
 825 #define SOUND_MASK_LINE         (1 << SOUND_MIXER_LINE)
 826 #define SOUND_MASK_MIC          (1 << SOUND_MIXER_MIC)
 827 #define SOUND_MASK_CD           (1 << SOUND_MIXER_CD)
 828 #define SOUND_MASK_IMIX         (1 << SOUND_MIXER_IMIX)
 829 #define SOUND_MASK_ALTPCM       (1 << SOUND_MIXER_ALTPCM)
 830 #define SOUND_MASK_RECLEV       (1 << SOUND_MIXER_RECLEV)
 831 #define SOUND_MASK_IGAIN        (1 << SOUND_MIXER_IGAIN)
 832 #define SOUND_MASK_OGAIN        (1 << SOUND_MIXER_OGAIN)
 833 #define SOUND_MASK_LINE1        (1 << SOUND_MIXER_LINE1)
 834 #define SOUND_MASK_LINE2        (1 << SOUND_MIXER_LINE2)
 835 #define SOUND_MASK_LINE3        (1 << SOUND_MIXER_LINE3)
 836 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
 837 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
 838 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
 839 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
 840 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
 841 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
 842 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
 843 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
 844 
 845 /* Obsolete macros */
 846 #define SOUND_MASK_MUTE         (1 << SOUND_MIXER_MUTE)
 847 #define SOUND_MASK_ENHANCE      (1 << SOUND_MIXER_ENHANCE)
 848 #define SOUND_MASK_LOUD         (1 << SOUND_MIXER_LOUD)
 849 
 850 #define MIXER_READ(dev)         _SIOR('M', dev, int)
 851 #define SOUND_MIXER_READ_VOLUME         MIXER_READ(SOUND_MIXER_VOLUME)
 852 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
 853 #define SOUND_MIXER_READ_TREBLE         MIXER_READ(SOUND_MIXER_TREBLE)
 854 #define SOUND_MIXER_READ_SYNTH          MIXER_READ(SOUND_MIXER_SYNTH)
 855 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
 856 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
 857 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
 858 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
 859 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
 860 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
 861 #define SOUND_MIXER_READ_ALTPCM         MIXER_READ(SOUND_MIXER_ALTPCM)
 862 #define SOUND_MIXER_READ_RECLEV         MIXER_READ(SOUND_MIXER_RECLEV)
 863 #define SOUND_MIXER_READ_IGAIN          MIXER_READ(SOUND_MIXER_IGAIN)
 864 #define SOUND_MIXER_READ_OGAIN          MIXER_READ(SOUND_MIXER_OGAIN)
 865 #define SOUND_MIXER_READ_LINE1          MIXER_READ(SOUND_MIXER_LINE1)
 866 #define SOUND_MIXER_READ_LINE2          MIXER_READ(SOUND_MIXER_LINE2)
 867 #define SOUND_MIXER_READ_LINE3          MIXER_READ(SOUND_MIXER_LINE3)
 868 
 869 /* Obsolete macros */
 870 #define SOUND_MIXER_READ_MUTE           MIXER_READ(SOUND_MIXER_MUTE)
 871 #define SOUND_MIXER_READ_ENHANCE        MIXER_READ(SOUND_MIXER_ENHANCE)
 872 #define SOUND_MIXER_READ_LOUD           MIXER_READ(SOUND_MIXER_LOUD)
 873 
 874 #define SOUND_MIXER_READ_RECSRC         MIXER_READ(SOUND_MIXER_RECSRC)
 875 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
 876 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
 877 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
 878 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
 879 
 880 #define MIXER_WRITE(dev)                _SIOWR('M', dev, int)
 881 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
 882 #define SOUND_MIXER_WRITE_BASS          MIXER_WRITE(SOUND_MIXER_BASS)
 883 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
 884 #define SOUND_MIXER_WRITE_SYNTH         MIXER_WRITE(SOUND_MIXER_SYNTH)
 885 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
 886 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
 887 #define SOUND_MIXER_WRITE_LINE          MIXER_WRITE(SOUND_MIXER_LINE)
 888 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
 889 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
 890 #define SOUND_MIXER_WRITE_IMIX          MIXER_WRITE(SOUND_MIXER_IMIX)
 891 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
 892 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
 893 #define SOUND_MIXER_WRITE_IGAIN         MIXER_WRITE(SOUND_MIXER_IGAIN)
 894 #define SOUND_MIXER_WRITE_OGAIN         MIXER_WRITE(SOUND_MIXER_OGAIN)
 895 #define SOUND_MIXER_WRITE_LINE1         MIXER_WRITE(SOUND_MIXER_LINE1)
 896 #define SOUND_MIXER_WRITE_LINE2         MIXER_WRITE(SOUND_MIXER_LINE2)
 897 #define SOUND_MIXER_WRITE_LINE3         MIXER_WRITE(SOUND_MIXER_LINE3)
 898 
 899 /* Obsolete macros */
 900 #define SOUND_MIXER_WRITE_MUTE          MIXER_WRITE(SOUND_MIXER_MUTE)
 901 #define SOUND_MIXER_WRITE_ENHANCE       MIXER_WRITE(SOUND_MIXER_ENHANCE)
 902 #define SOUND_MIXER_WRITE_LOUD          MIXER_WRITE(SOUND_MIXER_LOUD)
 903 
 904 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
 905 
 906 typedef struct mixer_info
 907 {
 908   char id[16];
 909   char name[32];
 910   int  modify_counter;
 911   int fillers[10];
 912 } mixer_info;
 913 
 914 typedef struct _old_mixer_info /* Obsolete */
 915 {
 916   char id[16];
 917   char name[32];
 918 } _old_mixer_info;
 919 
 920 #define SOUND_MIXER_INFO                _SIOR ('M', 101, mixer_info)
 921 #define SOUND_OLD_MIXER_INFO            _SIOR ('M', 101, _old_mixer_info)
 922 
 923 /*
 924  * A mechanism for accessing "proprietary" mixer features. This method
 925  * permits passing 128 bytes of arbitrary data between a mixer application
 926  * and the mixer driver. Interpretation of the record is defined by
 927  * the particular mixer driver.
 928  */
 929 typedef unsigned char mixer_record[128];
 930 
 931 #define SOUND_MIXER_ACCESS              _SIOWR('M', 102, mixer_record)
 932 
 933 /*
 934  * Two ioctls for special souncard function
 935  */
 936 #define SOUND_MIXER_AGC  _SIOWR('M', 103, int)
 937 #define SOUND_MIXER_3DSE  _SIOWR('M', 104, int)
 938 
 939 /*
 940  * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
 941  * These features can be used when accessing device specific features.
 942  */
 943 #define SOUND_MIXER_PRIVATE1            _SIOWR('M', 111, int)
 944 #define SOUND_MIXER_PRIVATE2            _SIOWR('M', 112, int)
 945 #define SOUND_MIXER_PRIVATE3            _SIOWR('M', 113, int)
 946 #define SOUND_MIXER_PRIVATE4            _SIOWR('M', 114, int)
 947 #define SOUND_MIXER_PRIVATE5            _SIOWR('M', 115, int)
 948 
 949 /*
 950  * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
 951  * for querying current mixer settings from the driver and for loading
 952  * default volume settings _prior_ activating the mixer (loading
 953  * doesn't affect current state of the mixer hardware). These calls
 954  * are for internal use only.
 955  */
 956 
 957 typedef struct mixer_vol_table {
 958   int num;      /* Index to volume table */
 959   char name[32];
 960   int levels[32];
 961 } mixer_vol_table;
 962 
 963 #define SOUND_MIXER_GETLEVELS           _SIOWR('M', 116, mixer_vol_table)
 964 #define SOUND_MIXER_SETLEVELS           _SIOWR('M', 117, mixer_vol_table)
 965 
 966 /* 
 967  * An ioctl for identifying the driver version. It will return value
 968  * of the SOUND_VERSION macro used when compiling the driver.
 969  * This call was introduced in OSS version 3.6 and it will not work
 970  * with earlier versions (returns EINVAL).
 971  */
 972 #define OSS_GETVERSION                  _SIOR ('M', 118, int)
 973 
 974 /*
 975  * Level 2 event types for /dev/sequencer
 976  */
 977 
 978 /*
 979  * The 4 most significant bits of byte 0 specify the class of
 980  * the event: 
 981  *
 982  *      0x8X = system level events,
 983  *      0x9X = device/port specific events, event[1] = device/port,
 984  *              The last 4 bits give the subtype:
 985  *                      0x02    = Channel event (event[3] = chn).
 986  *                      0x01    = note event (event[4] = note).
 987  *                      (0x01 is not used alone but always with bit 0x02).
 988  *             event[2] = MIDI message code (0x80=note off etc.)
 989  *
 990  */
 991 
 992 #define EV_SEQ_LOCAL            0x80
 993 #define EV_TIMING               0x81
 994 #define EV_CHN_COMMON           0x92
 995 #define EV_CHN_VOICE            0x93
 996 #define EV_SYSEX                0x94
 997 /*
 998  * Event types 200 to 220 are reserved for application use.
 999  * These numbers will not be used by the driver.
1000  */
1001 
1002 /*
1003  * Events for event type EV_CHN_VOICE
1004  */
1005 
1006 #define MIDI_NOTEOFF            0x80
1007 #define MIDI_NOTEON             0x90
1008 #define MIDI_KEY_PRESSURE       0xA0
1009 
1010 /*
1011  * Events for event type EV_CHN_COMMON
1012  */
1013 
1014 #define MIDI_CTL_CHANGE         0xB0
1015 #define MIDI_PGM_CHANGE         0xC0
1016 #define MIDI_CHN_PRESSURE       0xD0
1017 #define MIDI_PITCH_BEND         0xE0
1018 
1019 #define MIDI_SYSTEM_PREFIX      0xF0
1020 
1021 /*
1022  * Timer event types
1023  */
1024 #define TMR_WAIT_REL            1       /* Time relative to the prev time */
1025 #define TMR_WAIT_ABS            2       /* Absolute time since TMR_START */
1026 #define TMR_STOP                3
1027 #define TMR_START               4
1028 #define TMR_CONTINUE            5
1029 #define TMR_TEMPO               6
1030 #define TMR_ECHO                8
1031 #define TMR_CLOCK               9       /* MIDI clock */
1032 #define TMR_SPP                 10      /* Song position pointer */
1033 #define TMR_TIMESIG             11      /* Time signature */
1034 
1035 /*
1036  *      Local event types
1037  */
1038 #define LOCL_STARTAUDIO         1
1039 
1040 #if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
1041 /*
1042  *      Some convenience macros to simplify programming of the
1043  *      /dev/sequencer interface
1044  *
1045  *      This is a legacy interface for applications written against
1046  *      the OSSlib-3.8 style interface. It is no longer possible
1047  *      to actually link against OSSlib with this header, but we
1048  *      still provide these macros for programs using them.
1049  *
1050  *      If you want to use OSSlib, it is recommended that you get
1051  *      the GPL version of OSS-4.x and build against that version
1052  *      of the header.
1053  *
1054  *      We redefine the extern keyword so that make headers_check
1055  *      does not complain about SEQ_USE_EXTBUF.
1056  */
1057 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
1058 
1059 void seqbuf_dump(void); /* This function must be provided by programs */
1060 
1061 #define SEQ_PM_DEFINES int __foo_bar___
1062 
1063 #define SEQ_LOAD_GMINSTR(dev, instr)
1064 #define SEQ_LOAD_GMDRUM(dev, drum)
1065 
1066 #define _SEQ_EXTERN extern
1067 #define SEQ_USE_EXTBUF() \
1068                 _SEQ_EXTERN unsigned char _seqbuf[]; \
1069                 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
1070 
1071 #ifndef USE_SIMPLE_MACROS
1072 /* Sample seqbuf_dump() implementation:
1073  *
1074  *      SEQ_DEFINEBUF (2048);   -- Defines a buffer for 2048 bytes
1075  *
1076  *      int seqfd;              -- The file descriptor for /dev/sequencer.
1077  *
1078  *      void
1079  *      seqbuf_dump ()
1080  *      {
1081  *        if (_seqbufptr)
1082  *          if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1083  *            {
1084  *              perror ("write /dev/sequencer");
1085  *              exit (-1);
1086  *            }
1087  *        _seqbufptr = 0;
1088  *      }
1089  */
1090 
1091 #define SEQ_DEFINEBUF(len)              unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1092 #define _SEQ_NEEDBUF(len)               if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1093 #define _SEQ_ADVBUF(len)                _seqbufptr += len
1094 #define SEQ_DUMPBUF                     seqbuf_dump
1095 #else
1096 /*
1097  * This variation of the sequencer macros is used just to format one event
1098  * using fixed buffer.
1099  * 
1100  * The program using the macro library must define the following macros before
1101  * using this library.
1102  *
1103  * #define _seqbuf               name of the buffer (unsigned char[]) 
1104  * #define _SEQ_ADVBUF(len)      If the applic needs to know the exact
1105  *                               size of the event, this macro can be used.
1106  *                               Otherwise this must be defined as empty.
1107  * #define _seqbufptr            Define the name of index variable or 0 if
1108  *                               not required. 
1109  */
1110 #define _SEQ_NEEDBUF(len)       /* empty */
1111 #endif
1112 
1113 #define SEQ_VOLUME_MODE(dev, mode)      {_SEQ_NEEDBUF(8);\
1114                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1115                                         _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1116                                         _seqbuf[_seqbufptr+2] = (dev);\
1117                                         _seqbuf[_seqbufptr+3] = (mode);\
1118                                         _seqbuf[_seqbufptr+4] = 0;\
1119                                         _seqbuf[_seqbufptr+5] = 0;\
1120                                         _seqbuf[_seqbufptr+6] = 0;\
1121                                         _seqbuf[_seqbufptr+7] = 0;\
1122                                         _SEQ_ADVBUF(8);}
1123 
1124 /*
1125  * Midi voice messages
1126  */
1127 
1128 #define _CHN_VOICE(dev, event, chn, note, parm) \
1129                                         {_SEQ_NEEDBUF(8);\
1130                                         _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1131                                         _seqbuf[_seqbufptr+1] = (dev);\
1132                                         _seqbuf[_seqbufptr+2] = (event);\
1133                                         _seqbuf[_seqbufptr+3] = (chn);\
1134                                         _seqbuf[_seqbufptr+4] = (note);\
1135                                         _seqbuf[_seqbufptr+5] = (parm);\
1136                                         _seqbuf[_seqbufptr+6] = (0);\
1137                                         _seqbuf[_seqbufptr+7] = 0;\
1138                                         _SEQ_ADVBUF(8);}
1139 
1140 #define SEQ_START_NOTE(dev, chn, note, vol) \
1141                 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1142 
1143 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1144                 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1145 
1146 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1147                 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1148 
1149 /*
1150  * Midi channel messages
1151  */
1152 
1153 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1154                                         {_SEQ_NEEDBUF(8);\
1155                                         _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1156                                         _seqbuf[_seqbufptr+1] = (dev);\
1157                                         _seqbuf[_seqbufptr+2] = (event);\
1158                                         _seqbuf[_seqbufptr+3] = (chn);\
1159                                         _seqbuf[_seqbufptr+4] = (p1);\
1160                                         _seqbuf[_seqbufptr+5] = (p2);\
1161                                         *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1162                                         _SEQ_ADVBUF(8);}
1163 /*
1164  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1165  * sending any MIDI bytes but it's absolutely not possible. Trying to do
1166  * so _will_ cause problems with MPU401 intelligent mode).
1167  *
1168  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 
1169  * sent by calling SEQ_SYSEX() several times (there must be no other events
1170  * between them). First sysex fragment must have 0xf0 in the first byte
1171  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1172  * between these sysex start and end markers cannot be larger than 0x7f. Also
1173  * lengths of each fragments (except the last one) must be 6.
1174  *
1175  * Breaking the above rules may work with some MIDI ports but is likely to
1176  * cause fatal problems with some other devices (such as MPU401).
1177  */
1178 #define SEQ_SYSEX(dev, buf, len) \
1179                                         {int ii, ll=(len); \
1180                                          unsigned char *bufp=buf;\
1181                                          if (ll>6)ll=6;\
1182                                         _SEQ_NEEDBUF(8);\
1183                                         _seqbuf[_seqbufptr] = EV_SYSEX;\
1184                                         _seqbuf[_seqbufptr+1] = (dev);\
1185                                         for(ii=0;ii<ll;ii++)\
1186                                            _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1187                                         for(ii=ll;ii<6;ii++)\
1188                                            _seqbuf[_seqbufptr+ii+2] = 0xff;\
1189                                         _SEQ_ADVBUF(8);}
1190 
1191 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1192                 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1193 
1194 #define SEQ_SET_PATCH SEQ_PGM_CHANGE
1195 #define SEQ_PGM_CHANGE(dev, chn, patch) \
1196                 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1197 
1198 #define SEQ_CONTROL(dev, chn, controller, value) \
1199                 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1200 
1201 #define SEQ_BENDER(dev, chn, value) \
1202                 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1203 
1204 
1205 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1206                                         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1207                                         _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1208                                         _seqbuf[_seqbufptr+2] = (dev);\
1209                                         _seqbuf[_seqbufptr+3] = (voice);\
1210                                         _seqbuf[_seqbufptr+4] = (controller);\
1211                                         _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1212                                         _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1213                                         _seqbuf[_seqbufptr+7] = 0;\
1214                                         _SEQ_ADVBUF(8);}
1215 /*
1216  * The following 5 macros are incorrectly implemented and obsolete.
1217  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1218  */
1219 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1220 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1221 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1222 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1223 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1224 
1225 /*
1226  * Timing and synchronization macros
1227  */
1228 
1229 #define _TIMER_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1230                                         _seqbuf[_seqbufptr+0] = EV_TIMING; \
1231                                         _seqbuf[_seqbufptr+1] = (ev); \
1232                                         _seqbuf[_seqbufptr+2] = 0;\
1233                                         _seqbuf[_seqbufptr+3] = 0;\
1234                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1235                                         _SEQ_ADVBUF(8);}
1236 
1237 #define SEQ_START_TIMER()               _TIMER_EVENT(TMR_START, 0)
1238 #define SEQ_STOP_TIMER()                _TIMER_EVENT(TMR_STOP, 0)
1239 #define SEQ_CONTINUE_TIMER()            _TIMER_EVENT(TMR_CONTINUE, 0)
1240 #define SEQ_WAIT_TIME(ticks)            _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1241 #define SEQ_DELTA_TIME(ticks)           _TIMER_EVENT(TMR_WAIT_REL, ticks)
1242 #define SEQ_ECHO_BACK(key)              _TIMER_EVENT(TMR_ECHO, key)
1243 #define SEQ_SET_TEMPO(value)            _TIMER_EVENT(TMR_TEMPO, value)
1244 #define SEQ_SONGPOS(pos)                _TIMER_EVENT(TMR_SPP, pos)
1245 #define SEQ_TIME_SIGNATURE(sig)         _TIMER_EVENT(TMR_TIMESIG, sig)
1246 
1247 /*
1248  * Local control events
1249  */
1250 
1251 #define _LOCAL_EVENT(ev, parm)          {_SEQ_NEEDBUF(8);\
1252                                         _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1253                                         _seqbuf[_seqbufptr+1] = (ev); \
1254                                         _seqbuf[_seqbufptr+2] = 0;\
1255                                         _seqbuf[_seqbufptr+3] = 0;\
1256                                         *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1257                                         _SEQ_ADVBUF(8);}
1258 
1259 #define SEQ_PLAYAUDIO(devmask)          _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1260 /*
1261  * Events for the level 1 interface only 
1262  */
1263 
1264 #define SEQ_MIDIOUT(device, byte)       {_SEQ_NEEDBUF(4);\
1265                                         _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1266                                         _seqbuf[_seqbufptr+1] = (byte);\
1267                                         _seqbuf[_seqbufptr+2] = (device);\
1268                                         _seqbuf[_seqbufptr+3] = 0;\
1269                                         _SEQ_ADVBUF(4);}
1270 
1271 /*
1272  * Patch loading.
1273  */
1274 #define SEQ_WRPATCH(patchx, len) \
1275                 {if (_seqbufptr) SEQ_DUMPBUF();\
1276                  if (write(seqfd, (char*)(patchx), len)==-1) \
1277                     perror("Write patch: /dev/sequencer");}
1278 #define SEQ_WRPATCH2(patchx, len) \
1279                 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1280 
1281 #endif
1282 #endif /* _UAPISOUNDCARD_H */