sys/sys/soundcard.h

   1 /*
   2  * soundcard.h
   3  */
   4
   5 /*-
   6  * Copyright by Hannu Savolainen 1993
   7  * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above
  15  *    copyright notice, this list of conditions and the following
  16  *    disclaimer in the documentation and/or other materials provided
  17  *    with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
  23  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  29  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/sys/soundcard.h,v 1.44.2.1 2005/12/30 19:55:52 netchild Exp $
  33  * $DragonFly: src/sys/sys/soundcard.h,v 1.7 2007/01/04 21:47:03 corecode Exp $
  34  */
  35
  36 #ifndef _SYS_SOUNDCARD_H_
  37 #define _SYS_SOUNDCARD_H_
  38  /*
  39   * If you make modifications to this file, please contact me before
  40   * distributing the modified version. There is already enough
  41   * diversity in the world.
  42   *
  43   * Regards,
  44   * Hannu Savolainen
  45   * hannu@voxware.pp.fi
  46   *
  47   **********************************************************************
  48   * PS. The Hacker's Guide to VoxWare available from
  49   *     nic.funet.fi:pub/Linux/ALPHA/sound. The file is
  50   *     snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
  51   *     some useful information about programming with VoxWare.
  52   *     (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have
  53   *     to cd inside them before the files are accessible.)
  54   **********************************************************************
  55   */
  56
  57 /*
  58  * SOUND_VERSION is only used by the voxware driver. Hopefully apps
  59  * should not depend on it, but rather look at the capabilities
  60  * of the driver in the kernel!
  61  */
  62 #define SOUND_VERSION  301
  63 #define VOXWARE         /* does this have any use ? */
  64
  65 /*
  66  * Supported card ID numbers (Should be somewhere else? We keep
  67  * them here just for compativility with the old driver, but these
  68  * constants are of little or no use).
  69  */
  70
  71 #define SNDCARD_ADLIB          1
  72 #define SNDCARD_SB             2
  73 #define SNDCARD_PAS            3
  74 #define SNDCARD_GUS            4
  75 #define SNDCARD_MPU401         5
  76 #define SNDCARD_SB16           6
  77 #define SNDCARD_SB16MIDI       7
  78 #define SNDCARD_UART6850       8
  79 #define SNDCARD_GUS16          9
  80 #define SNDCARD_MSS            10
  81 #define SNDCARD_PSS            11
  82 #define SNDCARD_SSCAPE         12
  83 #define SNDCARD_PSS_MPU        13
  84 #define SNDCARD_PSS_MSS        14
  85 #define SNDCARD_SSCAPE_MSS     15
  86 #define SNDCARD_TRXPRO         16
  87 #define SNDCARD_TRXPRO_SB      17
  88 #define SNDCARD_TRXPRO_MPU     18
  89 #define SNDCARD_MAD16          19
  90 #define SNDCARD_MAD16_MPU      20
  91 #define SNDCARD_CS4232         21
  92 #define SNDCARD_CS4232_MPU     22
  93 #define SNDCARD_MAUI           23
  94 #define SNDCARD_PSEUDO_MSS     24
  95 #define SNDCARD_AWE32          25
  96 #define SNDCARD_NSS            26
  97 #define SNDCARD_UART16550      27
  98 #define SNDCARD_OPL            28
  99
 100 #include <sys/types.h>
 101 #include <machine/endian.h>
 102 #ifndef _IOWR
 103 #include <sys/ioccom.h>
 104 #endif  /* !_IOWR */
 105
 106 /*
 107  * The first part of this file contains the new FreeBSD sound ioctl
 108  * interface. Tries to minimize the number of different ioctls, and
 109  * to be reasonably general.
 110  *
 111  * 970821: some of the new calls have not been implemented yet.
 112  */
 113
 114 /*
 115  * the following three calls extend the generic file descriptor
 116  * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max
 117  * number of bytes for a write operation to be non-blocking.
 118  *
 119  * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device,
 120  * from a character device (default) to a block device. In block mode,
 121  * (not to be confused with blocking mode) the main difference for the
 122  * application is that select() will return only when a complete
 123  * block can be read/written to the device, whereas in character mode
 124  * select will return true when one byte can be exchanged. For audio
 125  * devices, character mode makes select almost useless since one byte
 126  * will always be ready by the next sample time (which is often only a
 127  * handful of microseconds away).
 128  * Use a size of 0 or 1 to return to character mode.
 129  */
 130 #define AIONWRITE   _IOR('A', 10, int)   /* get # bytes to write */
 131 struct snd_size {
 132     int play_size;
 133     int rec_size;
 134 };
 135 #define AIOGSIZE    _IOR('A', 11, struct snd_size)/* read current blocksize */
 136 #define AIOSSIZE    _IOWR('A', 11, struct snd_size)  /* sets blocksize */
 137
 138 /*
 139  * The following constants define supported audio formats. The
 140  * encoding follows voxware conventions, i.e. 1 bit for each supported
 141  * format. We extend it by using bit 31 (RO) to indicate full-duplex
 142  * capability, and bit 29 (RO) to indicate that the card supports/
 143  * needs different formats on capture & playback channels.
 144  * Bit 29 (RW) is used to indicate/ask stereo.
 145  *
 146  * The number of bits required to store the sample is:
 147  *  o  4 bits for the IDA ADPCM format,
 148  *  o  8 bits for 8-bit formats, mu-law and A-law,
 149  *  o  16 bits for the 16-bit formats, and
 150  *  o  32 bits for the 24/32-bit formats.
 151  *  o  undefined for the MPEG audio format.
 152  */
 153
 154 #define AFMT_QUERY      0x00000000      /* Return current format */
 155 #define AFMT_MU_LAW     0x00000001      /* Logarithmic mu-law */
 156 #define AFMT_A_LAW      0x00000002      /* Logarithmic A-law */
 157 #define AFMT_IMA_ADPCM  0x00000004      /* A 4:1 compressed format where 16-bit
 158                                          * squence represented using the
 159                                          * the average 4 bits per sample */
 160 #define AFMT_U8         0x00000008      /* Unsigned 8-bit */
 161 #define AFMT_S16_LE     0x00000010      /* Little endian signed 16-bit */
 162 #define AFMT_S16_BE     0x00000020      /* Big endian signed 16-bit */
 163 #define AFMT_S8         0x00000040      /* Signed 8-bit */
 164 #define AFMT_U16_LE     0x00000080      /* Little endian unsigned 16-bit */
 165 #define AFMT_U16_BE     0x00000100      /* Big endian unsigned 16-bit */
 166 #define AFMT_MPEG       0x00000200      /* MPEG MP2/MP3 audio */
 167 #define AFMT_AC3        0x00000400      /* Dolby Digital AC3 */
 168
 169 #if _BYTE_ORDER == _LITTLE_ENDIAN
 170 #define AFMT_S16_NE     AFMT_S16_LE     /* native endian signed 16 */
 171 #else
 172 #define AFMT_S16_NE     AFMT_S16_BE
 173 #endif
 174
 175 /*
 176  * 32-bit formats below used for 24-bit audio data where the data is stored
 177  * in the 24 most significant bits and the least significant bits are not used
 178  * (should be set to 0).
 179  */
 180 #define AFMT_S32_LE     0x00001000      /* Little endian signed 32-bit */
 181 #define AFMT_S32_BE     0x00002000      /* Big endian signed 32-bit */
 182 #define AFMT_U32_LE     0x00004000      /* Little endian unsigned 32-bit */
 183 #define AFMT_U32_BE     0x00008000      /* Big endian unsigned 32-bit */
 184 #define AFMT_S24_LE     0x00010000      /* Little endian signed 24-bit */
 185 #define AFMT_S24_BE     0x00020000      /* Big endian signed 24-bit */
 186 #define AFMT_U24_LE     0x00040000      /* Little endian unsigned 24-bit */
 187 #define AFMT_U24_BE     0x00080000      /* Big endian unsigned 24-bit */
 188
 189 #define AFMT_STEREO     0x10000000      /* can do/want stereo   */
 190
 191 /*
 192  * the following are really capabilities
 193  */
 194 #define AFMT_WEIRD      0x20000000      /* weird hardware...    */
 195     /*
 196      * AFMT_WEIRD reports that the hardware might need to operate
 197      * with different formats in the playback and capture
 198      * channels when operating in full duplex.
 199      * As an example, SoundBlaster16 cards only support U8 in one
 200      * direction and S16 in the other one, and applications should
 201      * be aware of this limitation.
 202      */
 203 #define AFMT_FULLDUPLEX 0x80000000      /* can do full duplex   */
 204
 205 /*
 206  * The following structure is used to get/set format and sampling rate.
 207  * While it would be better to have things such as stereo, bits per
 208  * sample, endiannes, etc split in different variables, it turns out
 209  * that formats are not that many, and not all combinations are possible.
 210  * So we followed the Voxware approach of associating one bit to each
 211  * format.
 212  */
 213
 214 typedef struct _snd_chan_param {
 215     u_long      play_rate;      /* sampling rate                        */
 216     u_long      rec_rate;       /* sampling rate                        */
 217     u_long      play_format;    /* everything describing the format     */
 218     u_long      rec_format;     /* everything describing the format     */
 219 } snd_chan_param;
 220 #define AIOGFMT    _IOR('f', 12, snd_chan_param)   /* get format */
 221 #define AIOSFMT    _IOWR('f', 12, snd_chan_param)  /* sets format */
 222
 223 /*
 224  * The following structure is used to get/set the mixer setting.
 225  * Up to 32 mixers are supported, each one with up to 32 channels.
 226  */
 227 typedef struct _snd_mix_param {
 228     u_char      subdev; /* which output                         */
 229     u_char      line;   /* which input                          */
 230     u_char      left,right; /* volumes, 0..255, 0 = mute        */
 231 } snd_mix_param ;
 232
 233 /* XXX AIOGMIX, AIOSMIX not implemented yet */
 234 #define AIOGMIX _IOWR('A', 13, snd_mix_param)   /* return mixer status */
 235 #define AIOSMIX _IOWR('A', 14, snd_mix_param)   /* sets mixer status   */
 236
 237 /*
 238  * channel specifiers used in AIOSTOP and AIOSYNC
 239  */
 240 #define AIOSYNC_PLAY    0x1     /* play chan */
 241 #define AIOSYNC_CAPTURE 0x2     /* capture chan */
 242 /* AIOSTOP stop & flush a channel, returns the residual count */
 243 #define AIOSTOP _IOWR ('A', 15, int)
 244
 245 /* alternate method used to notify the sync condition */
 246 #define AIOSYNC_SIGNAL  0x100
 247 #define AIOSYNC_SELECT  0x200
 248
 249 /* what the 'pos' field refers to */
 250 #define AIOSYNC_READY   0x400
 251 #define AIOSYNC_FREE    0x800
 252
 253 typedef struct _snd_sync_parm {
 254     long chan ; /* play or capture channel, plus modifier */
 255     long pos;
 256 } snd_sync_parm;
 257 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm)  /* misc. synchronization */
 258
 259 /*
 260  * The following is used to return device capabilities. If the structure
 261  * passed to the ioctl is zeroed, default values are returned for rate
 262  * and formats, a bitmap of available mixers is returned, and values
 263  * (inputs, different levels) for the first one are returned.
 264  *
 265  * If  formats, mixers, inputs are instantiated, then detailed info
 266  * are returned depending on the call.
 267  */
 268 typedef struct _snd_capabilities {
 269     u_long      rate_min, rate_max;     /* min-max sampling rate */
 270     u_long      formats;
 271     u_long      bufsize; /* DMA buffer size */
 272     u_long      mixers; /* bitmap of available mixers */
 273     u_long      inputs; /* bitmap of available inputs (per mixer) */
 274     u_short     left, right;    /* how many levels are supported */
 275 } snd_capabilities;
 276 #define AIOGCAP _IOWR('A', 15, snd_capabilities)        /* get capabilities */
 277
 278 /*
 279  * here is the old (Voxware) ioctl interface
 280  */
 281
 282 /*
 283  * IOCTL Commands for /dev/sequencer
 284  */
 285
 286 #define SNDCTL_SEQ_RESET        _IO  ('Q', 0)
 287 #define SNDCTL_SEQ_SYNC         _IO  ('Q', 1)
 288 #define SNDCTL_SYNTH_INFO       _IOWR('Q', 2, struct synth_info)
 289 #define SNDCTL_SEQ_CTRLRATE     _IOWR('Q', 3, int) /* Set/get timer res.(hz) */
 290 #define SNDCTL_SEQ_GETOUTCOUNT  _IOR ('Q', 4, int)
 291 #define SNDCTL_SEQ_GETINCOUNT   _IOR ('Q', 5, int)
 292 #define SNDCTL_SEQ_PERCMODE     _IOW ('Q', 6, int)
 293 #define SNDCTL_FM_LOAD_INSTR    _IOW ('Q', 7, struct sbi_instrument)    /* Valid for FM only */
 294 #define SNDCTL_SEQ_TESTMIDI     _IOW ('Q', 8, int)
 295 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
 296 #define SNDCTL_SEQ_NRSYNTHS     _IOR ('Q',10, int)
 297 #define SNDCTL_SEQ_NRMIDIS      _IOR ('Q',11, int)
 298 #define SNDCTL_MIDI_INFO        _IOWR('Q',12, struct midi_info)
 299 #define SNDCTL_SEQ_THRESHOLD    _IOW ('Q',13, int)
 300 #define SNDCTL_SEQ_TRESHOLD     SNDCTL_SEQ_THRESHOLD    /* there was once a typo */
 301 #define SNDCTL_SYNTH_MEMAVL     _IOWR('Q',14, int) /* in=dev#, out=memsize */
 302 #define SNDCTL_FM_4OP_ENABLE    _IOW ('Q',15, int) /* in=dev# */
 303 #define SNDCTL_PMGR_ACCESS      _IOWR('Q',16, struct patmgr_info)
 304 #define SNDCTL_SEQ_PANIC        _IO  ('Q',17)
 305 #define SNDCTL_SEQ_OUTOFBAND    _IOW ('Q',18, struct seq_event_rec)
 306 #define SNDCTL_SEQ_GETTIME      _IOR ('Q',19, int)
 307
 308 struct seq_event_rec {
 309         u_char arr[8];
 310 };
 311
 312 #define SNDCTL_TMR_TIMEBASE     _IOWR('T', 1, int)
 313 #define SNDCTL_TMR_START        _IO  ('T', 2)
 314 #define SNDCTL_TMR_STOP         _IO  ('T', 3)
 315 #define SNDCTL_TMR_CONTINUE     _IO  ('T', 4)
 316 #define SNDCTL_TMR_TEMPO        _IOWR('T', 5, int)
 317 #define SNDCTL_TMR_SOURCE       _IOWR('T', 6, int)
 318 #   define TMR_INTERNAL         0x00000001
 319 #   define TMR_EXTERNAL         0x00000002
 320 #       define TMR_MODE_MIDI    0x00000010
 321 #       define TMR_MODE_FSK     0x00000020
 322 #       define TMR_MODE_CLS     0x00000040
 323 #       define TMR_MODE_SMPTE   0x00000080
 324 #define SNDCTL_TMR_METRONOME    _IOW ('T', 7, int)
 325 #define SNDCTL_TMR_SELECT       _IOW ('T', 8, int)
 326
 327 /*
 328  *      Endian aware patch key generation algorithm.
 329  */
 330
 331 #if defined(_AIX) || defined(AIX)
 332 #  define _PATCHKEY(id) (0xfd00|id)
 333 #else
 334 #  define _PATCHKEY(id) ((id<<8)|0xfd)
 335 #endif
 336
 337 /*
 338  *      Sample loading mechanism for internal synthesizers (/dev/sequencer)
 339  *      The following patch_info structure has been designed to support
 340  *      Gravis UltraSound. It tries to be universal format for uploading
 341  *      sample based patches but is probably too limited.
 342  */
 343
 344 struct patch_info {
 345 /*              u_short key;             Use GUS_PATCH here */
 346         short key;               /* Use GUS_PATCH here */
 347 #define GUS_PATCH       _PATCHKEY(0x04)
 348 #define OBSOLETE_GUS_PATCH      _PATCHKEY(0x02)
 349
 350         short device_no;        /* Synthesizer number */
 351         short instr_no;         /* Midi pgm# */
 352
 353         u_long mode;
 354 /*
 355  * The least significant byte has the same format than the GUS .PAT
 356  * files
 357  */
 358 #define WAVE_16_BITS    0x01    /* bit 0 = 8 or 16 bit wave data. */
 359 #define WAVE_UNSIGNED   0x02    /* bit 1 = Signed - Unsigned data. */
 360 #define WAVE_LOOPING    0x04    /* bit 2 = looping enabled-1. */
 361 #define WAVE_BIDIR_LOOP 0x08    /* bit 3 = Set is bidirectional looping. */
 362 #define WAVE_LOOP_BACK  0x10    /* bit 4 = Set is looping backward. */
 363 #define WAVE_SUSTAIN_ON 0x20    /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
 364 #define WAVE_ENVELOPES  0x40    /* bit 6 = Enable envelopes - 1 */
 365                                 /*      (use the env_rate/env_offs fields). */
 366 /* Linux specific bits */
 367 #define WAVE_VIBRATO    0x00010000      /* The vibrato info is valid */
 368 #define WAVE_TREMOLO    0x00020000      /* The tremolo info is valid */
 369 #define WAVE_SCALE      0x00040000      /* The scaling info is valid */
 370 /* Other bits must be zeroed */
 371
 372         long len;       /* Size of the wave data in bytes */
 373         long loop_start, loop_end; /* Byte offsets from the beginning */
 374
 375 /*
 376  * The base_freq and base_note fields are used when computing the
 377  * playback speed for a note. The base_note defines the tone frequency
 378  * which is heard if the sample is played using the base_freq as the
 379  * playback speed.
 380  *
 381  * The low_note and high_note fields define the minimum and maximum note
 382  * frequencies for which this sample is valid. It is possible to define
 383  * more than one samples for an instrument number at the same time. The
 384  * low_note and high_note fields are used to select the most suitable one.
 385  *
 386  * The fields base_note, high_note and low_note should contain
 387  * the note frequency multiplied by 1000. For example value for the
 388  * middle A is 440*1000.
 389  */
 390
 391         u_int base_freq;
 392         u_long base_note;
 393         u_long high_note;
 394         u_long low_note;
 395         int panning;    /* -128=left, 127=right */
 396         int detuning;
 397
 398 /*      New fields introduced in version 1.99.5 */
 399
 400        /* Envelope. Enabled by mode bit WAVE_ENVELOPES  */
 401         u_char  env_rate[ 6 ];   /* GUS HW ramping rate */
 402         u_char  env_offset[ 6 ]; /* 255 == 100% */
 403
 404         /*
 405          * The tremolo, vibrato and scale info are not supported yet.
 406          * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
 407          * WAVE_SCALE
 408          */
 409
 410         u_char  tremolo_sweep;
 411         u_char  tremolo_rate;
 412         u_char  tremolo_depth;
 413
 414         u_char  vibrato_sweep;
 415         u_char  vibrato_rate;
 416         u_char  vibrato_depth;
 417
 418         int             scale_frequency;
 419         u_int   scale_factor;           /* from 0 to 2048 or 0 to 2 */
 420
 421         int             volume;
 422         int             spare[4];
 423         char data[1];   /* The waveform data starts here */
 424 };
 425
 426 struct sysex_info {
 427         short key;              /* Use GUS_PATCH here */
 428 #define SYSEX_PATCH     _PATCHKEY(0x05)
 429 #define MAUI_PATCH      _PATCHKEY(0x06)
 430         short device_no;        /* Synthesizer number */
 431         long len;       /* Size of the sysex data in bytes */
 432         u_char data[1]; /* Sysex data starts here */
 433 };
 434
 435 /*
 436  * Patch management interface (/dev/sequencer, /dev/patmgr#)
 437  * Don't use these calls if you want to maintain compatibility with
 438  * the future versions of the driver.
 439  */
 440
 441 #define PS_NO_PATCHES           0       /* No patch support on device */
 442 #define PS_MGR_NOT_OK           1       /* Plain patch support (no mgr) */
 443 #define PS_MGR_OK               2       /* Patch manager supported */
 444 #define PS_MANAGED              3       /* Patch manager running */
 445
 446 #define SNDCTL_PMGR_IFACE               _IOWR('P', 1, struct patmgr_info)
 447
 448 /*
 449  * The patmgr_info is a fixed size structure which is used for two
 450  * different purposes. The intended use is for communication between
 451  * the application using /dev/sequencer and the patch manager daemon
 452  * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
 453  *
 454  * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
 455  * a patch manager daemon to read and write device parameters. This
 456  * ioctl available through /dev/sequencer also. Avoid using it since it's
 457  * extremely hardware dependent. In addition access trough /dev/sequencer
 458  * may confuse the patch manager daemon.
 459  */
 460
 461 struct patmgr_info {    /* Note! size must be < 4k since kmalloc() is used */
 462           u_long key;   /* Don't worry. Reserved for communication
 463                                    between the patch manager and the driver. */
 464 #define PM_K_EVENT              1 /* Event from the /dev/sequencer driver */
 465 #define PM_K_COMMAND            2 /* Request from an application */
 466 #define PM_K_RESPONSE           3 /* From patmgr to application */
 467 #define PM_ERROR                4 /* Error returned by the patmgr */
 468           int device;
 469           int command;
 470
 471 /*
 472  * Commands 0x000 to 0xfff reserved for patch manager programs
 473  */
 474 #define PM_GET_DEVTYPE  1       /* Returns type of the patch mgr interface of dev */
 475 #define         PMTYPE_FM2      1       /* 2 OP fm */
 476 #define         PMTYPE_FM4      2       /* Mixed 4 or 2 op FM (OPL-3) */
 477 #define         PMTYPE_WAVE     3       /* Wave table synthesizer (GUS) */
 478 #define PM_GET_NRPGM    2       /* Returns max # of midi programs in parm1 */
 479 #define PM_GET_PGMMAP   3       /* Returns map of loaded midi programs in data8 */
 480 #define PM_GET_PGM_PATCHES 4    /* Return list of patches of a program (parm1) */
 481 #define PM_GET_PATCH    5       /* Return patch header of patch parm1 */
 482 #define PM_SET_PATCH    6       /* Set patch header of patch parm1 */
 483 #define PM_READ_PATCH   7       /* Read patch (wave) data */
 484 #define PM_WRITE_PATCH  8       /* Write patch (wave) data */
 485
 486 /*
 487  * Commands 0x1000 to 0xffff are for communication between the patch manager
 488  * and the client
 489  */
 490 #define _PM_LOAD_PATCH  0x100
 491
 492 /*
 493  * Commands above 0xffff reserved for device specific use
 494  */
 495
 496         long parm1;
 497         long parm2;
 498         long parm3;
 499
 500         union {
 501                 u_char data8[4000];
 502                 u_short data16[2000];
 503                 u_long data32[1000];
 504                 struct patch_info patch;
 505         } data;
 506 };
 507
 508 /*
 509  * When a patch manager daemon is present, it will be informed by the
 510  * driver when something important happens. For example when the
 511  * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
 512  * returned. The command field contains the event type:
 513  */
 514 #define PM_E_OPENED             1       /* /dev/sequencer opened */
 515 #define PM_E_CLOSED             2       /* /dev/sequencer closed */
 516 #define PM_E_PATCH_RESET        3       /* SNDCTL_RESETSAMPLES called */
 517 #define PM_E_PATCH_LOADED       4       /* A patch has been loaded by appl */
 518
 519 /*
 520  * /dev/sequencer input events.
 521  *
 522  * The data written to the /dev/sequencer is a stream of events. Events
 523  * are records of 4 or 8 bytes. The first byte defines the size.
 524  * Any number of events can be written with a write call. There
 525  * is a set of macros for sending these events. Use these macros if you
 526  * want to maximize portability of your program.
 527  *
 528  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
 529  * (All input events are currently 4 bytes long. Be prepared to support
 530  * 8 byte events also. If you receive any event having first byte >= 128,
 531  * it's a 8 byte event.
 532  *
 533  * The events are documented at the end of this file.
 534  *
 535  * Normal events (4 bytes)
 536  * There is also a 8 byte version of most of the 4 byte events. The
 537  * 8 byte one is recommended.
 538  */
 539 #define SEQ_NOTEOFF             0
 540 #define SEQ_FMNOTEOFF           SEQ_NOTEOFF     /* Just old name */
 541 #define SEQ_NOTEON              1
 542 #define SEQ_FMNOTEON            SEQ_NOTEON
 543 #define SEQ_WAIT                TMR_WAIT_ABS
 544 #define SEQ_PGMCHANGE           3
 545 #define SEQ_FMPGMCHANGE         SEQ_PGMCHANGE
 546 #define SEQ_SYNCTIMER           TMR_START
 547 #define SEQ_MIDIPUTC            5
 548 #define SEQ_DRUMON              6       /*** OBSOLETE ***/
 549 #define SEQ_DRUMOFF             7       /*** OBSOLETE ***/
 550 #define SEQ_ECHO                TMR_ECHO        /* For synching programs with output */
 551 #define SEQ_AFTERTOUCH          9
 552 #define SEQ_CONTROLLER          10
 553
 554 /*
 555  *      Midi controller numbers
 556  *
 557  * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
 558  * are continuous controllers.
 559  * In the MIDI 1.0 these controllers are sent using two messages.
 560  * Controller numbers 0 to 31 are used to send the MSB and the
 561  * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
 562  * are used in MIDI bytes.
 563  */
 564
 565 #define CTL_BANK_SELECT         0x00
 566 #define CTL_MODWHEEL            0x01
 567 #define CTL_BREATH              0x02
 568 /*      undefined               0x03 */
 569 #define CTL_FOOT                0x04
 570 #define CTL_PORTAMENTO_TIME     0x05
 571 #define CTL_DATA_ENTRY          0x06
 572 #define CTL_MAIN_VOLUME         0x07
 573 #define CTL_BALANCE             0x08
 574 /*      undefined               0x09 */
 575 #define CTL_PAN                 0x0a
 576 #define CTL_EXPRESSION          0x0b
 577 /*      undefined               0x0c - 0x0f */
 578 #define CTL_GENERAL_PURPOSE1    0x10
 579 #define CTL_GENERAL_PURPOSE2    0x11
 580 #define CTL_GENERAL_PURPOSE3    0x12
 581 #define CTL_GENERAL_PURPOSE4    0x13
 582 /*      undefined               0x14 - 0x1f */
 583
 584 /*      undefined               0x20 */
 585
 586 /*
 587  * The controller numbers 0x21 to 0x3f are reserved for the
 588  * least significant bytes of the controllers 0x00 to 0x1f.
 589  * These controllers are not recognised by the driver.
 590  *
 591  * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
 592  * 0=OFF and 127=ON (intermediate values are possible)
 593  */
 594 #define CTL_DAMPER_PEDAL        0x40
 595 #define CTL_SUSTAIN             CTL_DAMPER_PEDAL        /* Alias */
 596 #define CTL_HOLD                CTL_DAMPER_PEDAL        /* Alias */
 597 #define CTL_PORTAMENTO          0x41
 598 #define CTL_SOSTENUTO           0x42
 599 #define CTL_SOFT_PEDAL          0x43
 600 /*      undefined               0x44 */
 601 #define CTL_HOLD2               0x45
 602 /*      undefined               0x46 - 0x4f */
 603
 604 #define CTL_GENERAL_PURPOSE5    0x50
 605 #define CTL_GENERAL_PURPOSE6    0x51
 606 #define CTL_GENERAL_PURPOSE7    0x52
 607 #define CTL_GENERAL_PURPOSE8    0x53
 608 /*      undefined               0x54 - 0x5a */
 609 #define CTL_EXT_EFF_DEPTH       0x5b
 610 #define CTL_TREMOLO_DEPTH       0x5c
 611 #define CTL_CHORUS_DEPTH        0x5d
 612 #define CTL_DETUNE_DEPTH        0x5e
 613 #define CTL_CELESTE_DEPTH       CTL_DETUNE_DEPTH /* Alias for the above one */
 614 #define CTL_PHASER_DEPTH        0x5f
 615 #define CTL_DATA_INCREMENT      0x60
 616 #define CTL_DATA_DECREMENT      0x61
 617 #define CTL_NONREG_PARM_NUM_LSB 0x62
 618 #define CTL_NONREG_PARM_NUM_MSB 0x63
 619 #define CTL_REGIST_PARM_NUM_LSB 0x64
 620 #define CTL_REGIST_PARM_NUM_MSB 0x65
 621 /*      undefined               0x66 - 0x78 */
 622 /*      reserved                0x79 - 0x7f */
 623
 624 /* Pseudo controllers (not midi compatible) */
 625 #define CTRL_PITCH_BENDER       255
 626 #define CTRL_PITCH_BENDER_RANGE 254
 627 #define CTRL_EXPRESSION         253     /* Obsolete */
 628 #define CTRL_MAIN_VOLUME        252     /* Obsolete */
 629
 630 #define SEQ_BALANCE             11
 631 #define SEQ_VOLMODE             12
 632
 633 /*
 634  * Volume mode decides how volumes are used
 635  */
 636
 637 #define VOL_METHOD_ADAGIO       1
 638 #define VOL_METHOD_LINEAR       2
 639
 640 /*
 641  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
 642  *       input events.
 643  */
 644
 645 /*
 646  * Event codes 0xf0 to 0xfc are reserved for future extensions.
 647  */
 648
 649 #define SEQ_FULLSIZE            0xfd    /* Long events */
 650 /*
 651  * SEQ_FULLSIZE events are used for loading patches/samples to the
 652  * synthesizer devices. These events are passed directly to the driver
 653  * of the associated synthesizer device. There is no limit to the size
 654  * of the extended events. These events are not queued but executed
 655  * immediately when the write() is called (execution can take several
 656  * seconds of time).
 657  *
 658  * When a SEQ_FULLSIZE message is written to the device, it must
 659  * be written using exactly one write() call. Other events cannot
 660  * be mixed to the same write.
 661  *
 662  * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
 663  * it to the /dev/sequencer. Don't write other data together with
 664  * the instrument structure Set the key field of the structure to
 665  * FM_PATCH. The device field is used to route the patch to the
 666  * corresponding device.
 667  *
 668  * For Gravis UltraSound use struct patch_info. Initialize the key field
 669  * to GUS_PATCH.
 670  */
 671 #define SEQ_PRIVATE     0xfe    /* Low level HW dependent events (8 bytes) */
 672 #define SEQ_EXTENDED    0xff    /* Extended events (8 bytes) OBSOLETE */
 673
 674 /*
 675  * Record for FM patches
 676  */
 677
 678 typedef u_char sbi_instr_data[32];
 679
 680 struct sbi_instrument {
 681         u_short key;    /* FM_PATCH or OPL3_PATCH */
 682 #define FM_PATCH        _PATCHKEY(0x01)
 683 #define OPL3_PATCH      _PATCHKEY(0x03)
 684         short           device;         /* Synth# (0-4) */
 685         int             channel;        /* Program# to be initialized  */
 686         sbi_instr_data  operators;      /* Reg. settings for operator cells
 687                                          * (.SBI format)        */
 688 };
 689
 690 struct synth_info {     /* Read only */
 691         char    name[30];
 692         int     device;         /* 0-N. INITIALIZE BEFORE CALLING */
 693         int     synth_type;
 694 #define SYNTH_TYPE_FM                   0
 695 #define SYNTH_TYPE_SAMPLE               1
 696 #define SYNTH_TYPE_MIDI                 2       /* Midi interface */
 697
 698         int     synth_subtype;
 699 #define FM_TYPE_ADLIB                   0x00
 700 #define FM_TYPE_OPL3                    0x01
 701 #define MIDI_TYPE_MPU401                0x401
 702
 703 #define SAMPLE_TYPE_BASIC               0x10
 704 #define SAMPLE_TYPE_GUS                 SAMPLE_TYPE_BASIC
 705 #define SAMPLE_TYPE_AWE32               0x20
 706
 707         int     perc_mode;      /* No longer supported */
 708         int     nr_voices;
 709         int     nr_drums;       /* Obsolete field */
 710         int     instr_bank_size;
 711         u_long  capabilities;
 712 #define SYNTH_CAP_PERCMODE      0x00000001 /* No longer used */
 713 #define SYNTH_CAP_OPL3          0x00000002 /* Set if OPL3 supported */
 714 #define SYNTH_CAP_INPUT         0x00000004 /* Input (MIDI) device */
 715         int     dummies[19];    /* Reserve space */
 716 };
 717
 718 struct sound_timer_info {
 719         char name[32];
 720         int caps;
 721 };
 722
 723 #define MIDI_CAP_MPU401         1               /* MPU-401 intelligent mode */
 724
 725 struct midi_info {
 726         char            name[30];
 727         int             device;         /* 0-N. INITIALIZE BEFORE CALLING */
 728         u_long  capabilities;   /* To be defined later */
 729         int             dev_type;
 730         int             dummies[18];    /* Reserve space */
 731 };
 732
 733 /*
 734  * ioctl commands for the /dev/midi##
 735  */
 736 typedef struct {
 737         u_char cmd;
 738         char nr_args, nr_returns;
 739         u_char data[30];
 740 } mpu_command_rec;
 741
 742 #define SNDCTL_MIDI_PRETIME     _IOWR('m', 0, int)
 743 #define SNDCTL_MIDI_MPUMODE     _IOWR('m', 1, int)
 744 #define SNDCTL_MIDI_MPUCMD      _IOWR('m', 2, mpu_command_rec)
 745 #define MIOSPASSTHRU            _IOWR('m', 3, int)
 746 #define MIOGPASSTHRU            _IOWR('m', 4, int)
 747
 748 /*
 749  * IOCTL commands for /dev/dsp and /dev/audio
 750  */
 751
 752 #define SNDCTL_DSP_RESET        _IO  ('P', 0)
 753 #define SNDCTL_DSP_SYNC         _IO  ('P', 1)
 754 #define SNDCTL_DSP_SPEED        _IOWR('P', 2, int)
 755 #define SNDCTL_DSP_STEREO       _IOWR('P', 3, int)
 756 #define SNDCTL_DSP_GETBLKSIZE   _IOR('P', 4, int)
 757 #define SNDCTL_DSP_SETBLKSIZE   _IOW('P', 4, int)
 758 #define SNDCTL_DSP_SETFMT       _IOWR('P',5, int) /* Selects ONE fmt*/
 759
 760 /*
 761  * SOUND_PCM_WRITE_CHANNELS is not that different
 762  * from SNDCTL_DSP_STEREO
 763  */
 764 #define SOUND_PCM_WRITE_CHANNELS        _IOWR('P', 6, int)
 765 #define SNDCTL_DSP_CHANNELS     SOUND_PCM_WRITE_CHANNELS
 766 #define SOUND_PCM_WRITE_FILTER  _IOWR('P', 7, int)
 767 #define SNDCTL_DSP_POST         _IO  ('P', 8)
 768
 769 /*
 770  * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
 771  * the same thing, i.e. set the block size used in DMA transfers.
 772  */
 773 #define SNDCTL_DSP_SUBDIVIDE    _IOWR('P', 9, int)
 774 #define SNDCTL_DSP_SETFRAGMENT  _IOWR('P',10, int)
 775
 776
 777 #define SNDCTL_DSP_GETFMTS      _IOR ('P',11, int) /* Returns a mask */
 778 /*
 779  * Buffer status queries.
 780  */
 781 typedef struct audio_buf_info {
 782     int fragments;      /* # of avail. frags (partly used ones not counted) */
 783     int fragstotal;     /* Total # of fragments allocated */
 784     int fragsize;       /* Size of a fragment in bytes */
 785
 786     int bytes;  /* Avail. space in bytes (includes partly used fragments) */
 787                 /* Note! 'bytes' could be more than fragments*fragsize */
 788 } audio_buf_info;
 789
 790 #define SNDCTL_DSP_GETOSPACE    _IOR ('P',12, audio_buf_info)
 791 #define SNDCTL_DSP_GETISPACE    _IOR ('P',13, audio_buf_info)
 792
 793 /*
 794  * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
 795  * action cannot be undone) of FIONBIO. The same can be achieved
 796  * by opening the device with O_NDELAY
 797  */
 798 #define SNDCTL_DSP_NONBLOCK     _IO  ('P',14)
 799
 800 #define SNDCTL_DSP_GETCAPS      _IOR ('P',15, int)
 801 #define DSP_CAP_REVISION        0x000000ff /* revision level (0 to 255) */
 802 #define DSP_CAP_DUPLEX          0x00000100 /* Full duplex record/playback */
 803 #define DSP_CAP_REALTIME        0x00000200 /* Real time capability */
 804 #define DSP_CAP_BATCH           0x00000400
 805     /*
 806      * Device has some kind of internal buffers which may
 807      * cause some delays and decrease precision of timing
 808      */
 809 #define DSP_CAP_COPROC          0x00000800
 810     /* Has a coprocessor, sometimes it's a DSP but usually not */
 811 #define DSP_CAP_TRIGGER         0x00001000 /* Supports SETTRIGGER */
 812 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
 813
 814 /*
 815  * What do these function do ?
 816  */
 817 #define SNDCTL_DSP_GETTRIGGER   _IOR ('P',16, int)
 818 #define SNDCTL_DSP_SETTRIGGER   _IOW ('P',16, int)
 819 #define PCM_ENABLE_INPUT        0x00000001
 820 #define PCM_ENABLE_OUTPUT       0x00000002
 821
 822 typedef struct count_info {
 823         int bytes;      /* Total # of bytes processed */
 824         int blocks;     /* # of fragment transitions since last time */
 825         int ptr;        /* Current DMA pointer value */
 826 } count_info;
 827
 828 /*
 829  * GETIPTR and GETISPACE are not that different... same for out.
 830  */
 831 #define SNDCTL_DSP_GETIPTR      _IOR ('P',17, count_info)
 832 #define SNDCTL_DSP_GETOPTR      _IOR ('P',18, count_info)
 833
 834 typedef struct buffmem_desc {
 835         caddr_t buffer;
 836         int size;
 837 } buffmem_desc;
 838
 839 #define SNDCTL_DSP_MAPINBUF     _IOR ('P', 19, buffmem_desc)
 840 #define SNDCTL_DSP_MAPOUTBUF    _IOR ('P', 20, buffmem_desc)
 841 #define SNDCTL_DSP_SETSYNCRO    _IO  ('P', 21)
 842 #define SNDCTL_DSP_SETDUPLEX    _IO  ('P', 22)
 843 #define SNDCTL_DSP_GETODELAY    _IOR ('P', 23, int)
 844
 845 /*
 846  * I guess these are the readonly version of the same
 847  * functions that exist above as SNDCTL_DSP_...
 848  */
 849 #define SOUND_PCM_READ_RATE     _IOR ('P', 2, int)
 850 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
 851 #define SOUND_PCM_READ_BITS     _IOR ('P', 5, int)
 852 #define SOUND_PCM_READ_FILTER   _IOR ('P', 7, int)
 853
 854 /*
 855  * ioctl calls to be used in communication with coprocessors and
 856  * DSP chips.
 857  */
 858
 859 typedef struct copr_buffer {
 860         int command;    /* Set to 0 if not used */
 861         int flags;
 862 #define CPF_NONE                0x0000
 863 #define CPF_FIRST               0x0001  /* First block */
 864 #define CPF_LAST                0x0002  /* Last block */
 865         int len;
 866         int offs;       /* If required by the device (0 if not used) */
 867
 868         u_char data[4000]; /* NOTE! 4000 is not 4k */
 869 } copr_buffer;
 870
 871 typedef struct copr_debug_buf {
 872         int command;    /* Used internally. Set to 0 */
 873         int parm1;
 874         int parm2;
 875         int flags;
 876         int len;        /* Length of data in bytes */
 877 } copr_debug_buf;
 878
 879 typedef struct copr_msg {
 880         int len;
 881         u_char data[4000];
 882 } copr_msg;
 883
 884 #define SNDCTL_COPR_RESET       _IO  ('C',  0)
 885 #define SNDCTL_COPR_LOAD        _IOWR('C',  1, copr_buffer)
 886 #define SNDCTL_COPR_RDATA       _IOWR('C',  2, copr_debug_buf)
 887 #define SNDCTL_COPR_RCODE       _IOWR('C',  3, copr_debug_buf)
 888 #define SNDCTL_COPR_WDATA       _IOW ('C',  4, copr_debug_buf)
 889 #define SNDCTL_COPR_WCODE       _IOW ('C',  5, copr_debug_buf)
 890 #define SNDCTL_COPR_RUN         _IOWR('C',  6, copr_debug_buf)
 891 #define SNDCTL_COPR_HALT        _IOWR('C',  7, copr_debug_buf)
 892 #define SNDCTL_COPR_SENDMSG     _IOW ('C',  8, copr_msg)
 893 #define SNDCTL_COPR_RCVMSG      _IOR ('C',  9, copr_msg)
 894
 895 /*
 896  * IOCTL commands for /dev/mixer
 897  */
 898
 899 /*
 900  * Mixer devices
 901  *
 902  * There can be up to 20 different analog mixer channels. The
 903  * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
 904  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
 905  * the devices supported by the particular mixer.
 906  */
 907
 908 #define SOUND_MIXER_NRDEVICES   25
 909 #define SOUND_MIXER_VOLUME      0       /* Master output level */
 910 #define SOUND_MIXER_BASS        1       /* Treble level of all output channels */
 911 #define SOUND_MIXER_TREBLE      2       /* Bass level of all output channels */
 912 #define SOUND_MIXER_SYNTH       3       /* Volume of synthesier input */
 913 #define SOUND_MIXER_PCM         4       /* Output level for the audio device */
 914 #define SOUND_MIXER_SPEAKER     5       /* Output level for the PC speaker
 915                                          * signals */
 916 #define SOUND_MIXER_LINE        6       /* Volume level for the line in jack */
 917 #define SOUND_MIXER_MIC         7       /* Volume for the signal coming from
 918                                          * the microphone jack */
 919 #define SOUND_MIXER_CD          8       /* Volume level for the input signal
 920                                          * connected to the CD audio input */
 921 #define SOUND_MIXER_IMIX        9       /* Recording monitor. It controls the
 922                                          * output volume of the selected
 923                                          * recording sources while recording */
 924 #define SOUND_MIXER_ALTPCM      10      /* Volume of the alternative codec
 925                                          * device */
 926 #define SOUND_MIXER_RECLEV      11      /* Global recording level */
 927 #define SOUND_MIXER_IGAIN       12      /* Input gain */
 928 #define SOUND_MIXER_OGAIN       13      /* Output gain */
 929 /*
 930  * The AD1848 codec and compatibles have three line level inputs
 931  * (line, aux1 and aux2). Since each card manufacturer have assigned
 932  * different meanings to these inputs, it's inpractical to assign
 933  * specific meanings (line, cd, synth etc.) to them.
 934  */
 935 #define SOUND_MIXER_LINE1       14      /* Input source 1  (aux1) */
 936 #define SOUND_MIXER_LINE2       15      /* Input source 2  (aux2) */
 937 #define SOUND_MIXER_LINE3       16      /* Input source 3  (line) */
 938 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
 939 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
 940 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
 941 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
 942 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
 943 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
 944 #define SOUND_MIXER_RADIO       23      /* Radio in */
 945 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
 946
 947
 948 /*
 949  * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
 950  * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
 951  */
 952 #define SOUND_ONOFF_MIN         28
 953 #define SOUND_ONOFF_MAX         30
 954 #define SOUND_MIXER_MUTE        28      /* 0 or 1 */
 955 #define SOUND_MIXER_ENHANCE     29      /* Enhanced stereo (0, 40, 60 or 80) */
 956 #define SOUND_MIXER_LOUD        30      /* 0 or 1 */
 957
 958 /* Note!        Number 31 cannot be used since the sign bit is reserved */
 959 #define SOUND_MIXER_NONE        31
 960
 961 #define SOUND_DEVICE_LABELS     { \
 962         "Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
 963         "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
 964         "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
 965         "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
 966
 967 #define SOUND_DEVICE_NAMES      { \
 968         "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
 969         "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
 970         "line1", "line2", "line3", "dig1", "dig2", "dig3", \
 971         "phin", "phout", "video", "radio", "monitor"}
 972
 973 /*      Device bitmask identifiers      */
 974
 975 #define SOUND_MIXER_RECSRC      0xff    /* 1 bit per recording source */
 976 #define SOUND_MIXER_DEVMASK     0xfe    /* 1 bit per supported device */
 977 #define SOUND_MIXER_RECMASK     0xfd    /* 1 bit per supp. recording source */
 978 #define SOUND_MIXER_CAPS        0xfc
 979 #define SOUND_CAP_EXCL_INPUT    0x00000001      /* Only 1 rec. src at a time */
 980 #define SOUND_MIXER_STEREODEVS  0xfb    /* Mixer channels supporting stereo */
 981
 982 /*      Device mask bits        */
 983
 984 #define SOUND_MASK_VOLUME       (1 << SOUND_MIXER_VOLUME)
 985 #define SOUND_MASK_BASS         (1 << SOUND_MIXER_BASS)
 986 #define SOUND_MASK_TREBLE       (1 << SOUND_MIXER_TREBLE)
 987 #define SOUND_MASK_SYNTH        (1 << SOUND_MIXER_SYNTH)
 988 #define SOUND_MASK_PCM          (1 << SOUND_MIXER_PCM)
 989 #define SOUND_MASK_SPEAKER      (1 << SOUND_MIXER_SPEAKER)
 990 #define SOUND_MASK_LINE         (1 << SOUND_MIXER_LINE)
 991 #define SOUND_MASK_MIC          (1 << SOUND_MIXER_MIC)
 992 #define SOUND_MASK_CD           (1 << SOUND_MIXER_CD)
 993 #define SOUND_MASK_IMIX         (1 << SOUND_MIXER_IMIX)
 994 #define SOUND_MASK_ALTPCM       (1 << SOUND_MIXER_ALTPCM)
 995 #define SOUND_MASK_RECLEV       (1 << SOUND_MIXER_RECLEV)
 996 #define SOUND_MASK_IGAIN        (1 << SOUND_MIXER_IGAIN)
 997 #define SOUND_MASK_OGAIN        (1 << SOUND_MIXER_OGAIN)
 998 #define SOUND_MASK_LINE1        (1 << SOUND_MIXER_LINE1)
 999 #define SOUND_MASK_LINE2        (1 << SOUND_MIXER_LINE2)
1000 #define SOUND_MASK_LINE3        (1 << SOUND_MIXER_LINE3)
1001 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
1002 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
1003 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
1004 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
1005 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
1006 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
1007 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
1008 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
1009
1010 /* Obsolete macros */
1011 #define SOUND_MASK_MUTE         (1 << SOUND_MIXER_MUTE)
1012 #define SOUND_MASK_ENHANCE      (1 << SOUND_MIXER_ENHANCE)
1013 #define SOUND_MASK_LOUD         (1 << SOUND_MIXER_LOUD)
1014
1015 #define MIXER_READ(dev)         _IOR('M', dev, int)
1016 #define SOUND_MIXER_READ_VOLUME         MIXER_READ(SOUND_MIXER_VOLUME)
1017 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
1018 #define SOUND_MIXER_READ_TREBLE         MIXER_READ(SOUND_MIXER_TREBLE)
1019 #define SOUND_MIXER_READ_SYNTH          MIXER_READ(SOUND_MIXER_SYNTH)
1020 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
1021 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
1022 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
1023 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
1024 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
1025 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
1026 #define SOUND_MIXER_READ_ALTPCM         MIXER_READ(SOUND_MIXER_ALTPCM)
1027 #define SOUND_MIXER_READ_RECLEV         MIXER_READ(SOUND_MIXER_RECLEV)
1028 #define SOUND_MIXER_READ_IGAIN          MIXER_READ(SOUND_MIXER_IGAIN)
1029 #define SOUND_MIXER_READ_OGAIN          MIXER_READ(SOUND_MIXER_OGAIN)
1030 #define SOUND_MIXER_READ_LINE1          MIXER_READ(SOUND_MIXER_LINE1)
1031 #define SOUND_MIXER_READ_LINE2          MIXER_READ(SOUND_MIXER_LINE2)
1032 #define SOUND_MIXER_READ_LINE3          MIXER_READ(SOUND_MIXER_LINE3)
1033 #define SOUND_MIXER_READ_DIGITAL1       MIXER_READ(SOUND_MIXER_DIGITAL1)
1034 #define SOUND_MIXER_READ_DIGITAL2       MIXER_READ(SOUND_MIXER_DIGITAL2)
1035 #define SOUND_MIXER_READ_DIGITAL3       MIXER_READ(SOUND_MIXER_DIGITAL3)
1036 #define SOUND_MIXER_READ_PHONEIN        MIXER_READ(SOUND_MIXER_PHONEIN)
1037 #define SOUND_MIXER_READ_PHONEOUT       MIXER_READ(SOUND_MIXER_PHONEOUT)
1038 #define SOUND_MIXER_READ_RADIO          MIXER_READ(SOUND_MIXER_RADIO)
1039 #define SOUND_MIXER_READ_VIDEO          MIXER_READ(SOUND_MIXER_VIDEO)
1040 #define SOUND_MIXER_READ_MONITOR        MIXER_READ(SOUND_MIXER_MONITOR)
1041
1042 /* Obsolete macros */
1043 #define SOUND_MIXER_READ_MUTE           MIXER_READ(SOUND_MIXER_MUTE)
1044 #define SOUND_MIXER_READ_ENHANCE        MIXER_READ(SOUND_MIXER_ENHANCE)
1045 #define SOUND_MIXER_READ_LOUD           MIXER_READ(SOUND_MIXER_LOUD)
1046
1047 #define SOUND_MIXER_READ_RECSRC         MIXER_READ(SOUND_MIXER_RECSRC)
1048 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
1049 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
1050 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
1051 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
1052
1053 #define MIXER_WRITE(dev)                _IOWR('M', dev, int)
1054 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
1055 #define SOUND_MIXER_WRITE_BASS          MIXER_WRITE(SOUND_MIXER_BASS)
1056 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
1057 #define SOUND_MIXER_WRITE_SYNTH         MIXER_WRITE(SOUND_MIXER_SYNTH)
1058 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
1059 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
1060 #define SOUND_MIXER_WRITE_LINE          MIXER_WRITE(SOUND_MIXER_LINE)
1061 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
1062 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
1063 #define SOUND_MIXER_WRITE_IMIX          MIXER_WRITE(SOUND_MIXER_IMIX)
1064 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
1065 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
1066 #define SOUND_MIXER_WRITE_IGAIN         MIXER_WRITE(SOUND_MIXER_IGAIN)
1067 #define SOUND_MIXER_WRITE_OGAIN         MIXER_WRITE(SOUND_MIXER_OGAIN)
1068 #define SOUND_MIXER_WRITE_LINE1         MIXER_WRITE(SOUND_MIXER_LINE1)
1069 #define SOUND_MIXER_WRITE_LINE2         MIXER_WRITE(SOUND_MIXER_LINE2)
1070 #define SOUND_MIXER_WRITE_LINE3         MIXER_WRITE(SOUND_MIXER_LINE3)
1071 #define SOUND_MIXER_WRITE_DIGITAL1      MIXER_WRITE(SOUND_MIXER_DIGITAL1)
1072 #define SOUND_MIXER_WRITE_DIGITAL2      MIXER_WRITE(SOUND_MIXER_DIGITAL2)
1073 #define SOUND_MIXER_WRITE_DIGITAL3      MIXER_WRITE(SOUND_MIXER_DIGITAL3)
1074 #define SOUND_MIXER_WRITE_PHONEIN       MIXER_WRITE(SOUND_MIXER_PHONEIN)
1075 #define SOUND_MIXER_WRITE_PHONEOUT      MIXER_WRITE(SOUND_MIXER_PHONEOUT)
1076 #define SOUND_MIXER_WRITE_RADIO         MIXER_WRITE(SOUND_MIXER_RADIO)
1077 #define SOUND_MIXER_WRITE_VIDEO         MIXER_WRITE(SOUND_MIXER_VIDEO)
1078 #define SOUND_MIXER_WRITE_MONITOR       MIXER_WRITE(SOUND_MIXER_MONITOR)
1079
1080 #define SOUND_MIXER_WRITE_MUTE          MIXER_WRITE(SOUND_MIXER_MUTE)
1081 #define SOUND_MIXER_WRITE_ENHANCE       MIXER_WRITE(SOUND_MIXER_ENHANCE)
1082 #define SOUND_MIXER_WRITE_LOUD          MIXER_WRITE(SOUND_MIXER_LOUD)
1083
1084 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
1085
1086 typedef struct mixer_info {
1087   char id[16];
1088   char name[32];
1089   int  modify_counter;
1090   int fillers[10];
1091 } mixer_info;
1092
1093 #define SOUND_MIXER_INFO                _IOR('M', 101, mixer_info)
1094
1095 #define LEFT_CHN        0
1096 #define RIGHT_CHN       1
1097
1098 /*
1099  * Level 2 event types for /dev/sequencer
1100  */
1101
1102 /*
1103  * The 4 most significant bits of byte 0 specify the class of
1104  * the event:
1105  *
1106  *      0x8X = system level events,
1107  *      0x9X = device/port specific events, event[1] = device/port,
1108  *              The last 4 bits give the subtype:
1109  *                      0x02    = Channel event (event[3] = chn).
1110  *                      0x01    = note event (event[4] = note).
1111  *                      (0x01 is not used alone but always with bit 0x02).
1112  *             event[2] = MIDI message code (0x80=note off etc.)
1113  *
1114  */
1115
1116 #define EV_SEQ_LOCAL            0x80
1117 #define EV_TIMING               0x81
1118 #define EV_CHN_COMMON           0x92
1119 #define EV_CHN_VOICE            0x93
1120 #define EV_SYSEX                0x94
1121 /*
1122  * Event types 200 to 220 are reserved for application use.
1123  * These numbers will not be used by the driver.
1124  */
1125
1126 /*
1127  * Events for event type EV_CHN_VOICE
1128  */
1129
1130 #define MIDI_NOTEOFF            0x80
1131 #define MIDI_NOTEON             0x90
1132 #define MIDI_KEY_PRESSURE       0xA0
1133
1134 /*
1135  * Events for event type EV_CHN_COMMON
1136  */
1137
1138 #define MIDI_CTL_CHANGE         0xB0
1139 #define MIDI_PGM_CHANGE         0xC0
1140 #define MIDI_CHN_PRESSURE       0xD0
1141 #define MIDI_PITCH_BEND         0xE0
1142
1143 #define MIDI_SYSTEM_PREFIX      0xF0
1144
1145 /*
1146  * Timer event types
1147  */
1148 #define TMR_WAIT_REL            1       /* Time relative to the prev time */
1149 #define TMR_WAIT_ABS            2       /* Absolute time since TMR_START */
1150 #define TMR_STOP                3
1151 #define TMR_START               4
1152 #define TMR_CONTINUE            5
1153 #define TMR_TEMPO               6
1154 #define TMR_ECHO                8
1155 #define TMR_CLOCK               9       /* MIDI clock */
1156 #define TMR_SPP                 10      /* Song position pointer */
1157 #define TMR_TIMESIG             11      /* Time signature */
1158
1159 /*
1160  *      Local event types
1161  */
1162 #define LOCL_STARTAUDIO         1
1163
1164 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS)
1165 /*
1166  *      Some convenience macros to simplify programming of the
1167  *      /dev/sequencer interface
1168  *
1169  *      These macros define the API which should be used when possible.
1170  */
1171
1172 #ifndef USE_SIMPLE_MACROS
1173 void seqbuf_dump(void); /* This function must be provided by programs */
1174
1175 /* Sample seqbuf_dump() implementation:
1176  *
1177  *      SEQ_DEFINEBUF (2048);   -- Defines a buffer for 2048 bytes
1178  *
1179  *      int seqfd;              -- The file descriptor for /dev/sequencer.
1180  *
1181  *      void
1182  *      seqbuf_dump ()
1183  *      {
1184  *        if (_seqbufptr)
1185  *          if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1186  *            {
1187  *              perror ("write /dev/sequencer");
1188  *              exit (-1);
1189  *            }
1190  *        _seqbufptr = 0;
1191  *      }
1192  */
1193
1194 #define SEQ_DEFINEBUF(len)              \
1195         u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1196 #define SEQ_USE_EXTBUF()                \
1197         extern u_char _seqbuf[]; \
1198         extern int _seqbuflen;extern int _seqbufptr
1199 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
1200 #define SEQ_PM_DEFINES                  struct patmgr_info _pm_info
1201 #define _SEQ_NEEDBUF(len)               \
1202         if ((_seqbufptr+(len)) > _seqbuflen) \
1203                 seqbuf_dump()
1204 #define _SEQ_ADVBUF(len)                _seqbufptr += len
1205 #define SEQ_DUMPBUF                     seqbuf_dump
1206 #else
1207 /*
1208  * This variation of the sequencer macros is used just to format one event
1209  * using fixed buffer.
1210  *
1211  * The program using the macro library must define the following macros before
1212  * using this library.
1213  *
1214  * #define _seqbuf               name of the buffer (u_char[])
1215  * #define _SEQ_ADVBUF(len)      If the applic needs to know the exact
1216  *                               size of the event, this macro can be used.
1217  *                               Otherwise this must be defined as empty.
1218  * #define _seqbufptr            Define the name of index variable or 0 if
1219  *                               not required.
1220  */
1221 #define _SEQ_NEEDBUF(len)       /* empty */
1222 #endif
1223
1224 #define PM_LOAD_PATCH(dev, bank, pgm)   \
1225         (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1226         _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
1227         _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
1228         ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1229 #define PM_LOAD_PATCHES(dev, bank, pgm) \
1230         (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1231         _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8,  128), \
1232         _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
1233         ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1234
1235 #define SEQ_VOLUME_MODE(dev, mode)      { \
1236         _SEQ_NEEDBUF(8);\
1237         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1238         _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1239         _seqbuf[_seqbufptr+2] = (dev);\
1240         _seqbuf[_seqbufptr+3] = (mode);\
1241         _seqbuf[_seqbufptr+4] = 0;\
1242         _seqbuf[_seqbufptr+5] = 0;\
1243         _seqbuf[_seqbufptr+6] = 0;\
1244         _seqbuf[_seqbufptr+7] = 0;\
1245         _SEQ_ADVBUF(8);}
1246
1247 /*
1248  * Midi voice messages
1249  */
1250
1251 #define _CHN_VOICE(dev, event, chn, note, parm)  { \
1252         _SEQ_NEEDBUF(8);\
1253         _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1254         _seqbuf[_seqbufptr+1] = (dev);\
1255         _seqbuf[_seqbufptr+2] = (event);\
1256         _seqbuf[_seqbufptr+3] = (chn);\
1257         _seqbuf[_seqbufptr+4] = (note);\
1258         _seqbuf[_seqbufptr+5] = (parm);\
1259         _seqbuf[_seqbufptr+6] = (0);\
1260         _seqbuf[_seqbufptr+7] = 0;\
1261         _SEQ_ADVBUF(8);}
1262
1263 #define SEQ_START_NOTE(dev, chn, note, vol) \
1264                 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1265
1266 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1267                 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1268
1269 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1270                 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1271
1272 /*
1273  * Midi channel messages
1274  */
1275
1276 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
1277         _SEQ_NEEDBUF(8);\
1278         _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1279         _seqbuf[_seqbufptr+1] = (dev);\
1280         _seqbuf[_seqbufptr+2] = (event);\
1281         _seqbuf[_seqbufptr+3] = (chn);\
1282         _seqbuf[_seqbufptr+4] = (p1);\
1283         _seqbuf[_seqbufptr+5] = (p2);\
1284         *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1285         _SEQ_ADVBUF(8);}
1286 /*
1287  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1288  * sending any MIDI bytes but it's absolutely not possible. Trying to do
1289  * so _will_ cause problems with MPU401 intelligent mode).
1290  *
1291  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1292  * sent by calling SEQ_SYSEX() several times (there must be no other events
1293  * between them). First sysex fragment must have 0xf0 in the first byte
1294  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1295  * between these sysex start and end markers cannot be larger than 0x7f. Also
1296  * lengths of each fragments (except the last one) must be 6.
1297  *
1298  * Breaking the above rules may work with some MIDI ports but is likely to
1299  * cause fatal problems with some other devices (such as MPU401).
1300  */
1301 #define SEQ_SYSEX(dev, buf, len) { \
1302         int i, l=(len); if (l>6)l=6;\
1303         _SEQ_NEEDBUF(8);\
1304         _seqbuf[_seqbufptr] = EV_SYSEX;\
1305         for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1306         for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1307         _SEQ_ADVBUF(8);}
1308
1309 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1310         _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1311
1312 #define SEQ_SET_PATCH(dev, chn, patch) \
1313         _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1314
1315 #define SEQ_CONTROL(dev, chn, controller, value) \
1316         _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1317
1318 #define SEQ_BENDER(dev, chn, value) \
1319         _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1320
1321
1322 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \
1323         _SEQ_NEEDBUF(8);\
1324         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1325         _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1326         _seqbuf[_seqbufptr+2] = (dev);\
1327         _seqbuf[_seqbufptr+3] = (voice);\
1328         _seqbuf[_seqbufptr+4] = (controller);\
1329         *(short *)&_seqbuf[_seqbufptr+5] = (value);\
1330         _seqbuf[_seqbufptr+7] = 0;\
1331         _SEQ_ADVBUF(8);}
1332
1333 /*
1334  * The following 5 macros are incorrectly implemented and obsolete.
1335  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1336  */
1337
1338 #define SEQ_PITCHBEND(dev, voice, value) \
1339         SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1340 #define SEQ_BENDER_RANGE(dev, voice, value) \
1341         SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1342 #define SEQ_EXPRESSION(dev, voice, value) \
1343         SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1344 #define SEQ_MAIN_VOLUME(dev, voice, value) \
1345         SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1346 #define SEQ_PANNING(dev, voice, pos) \
1347         SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1348
1349 /*
1350  * Timing and syncronization macros
1351  */
1352
1353 #define _TIMER_EVENT(ev, parm)          { \
1354         _SEQ_NEEDBUF(8);\
1355         _seqbuf[_seqbufptr+0] = EV_TIMING; \
1356         _seqbuf[_seqbufptr+1] = (ev); \
1357         _seqbuf[_seqbufptr+2] = 0;\
1358         _seqbuf[_seqbufptr+3] = 0;\
1359         *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1360         _SEQ_ADVBUF(8); \
1361         }
1362
1363 #define SEQ_START_TIMER()               _TIMER_EVENT(TMR_START, 0)
1364 #define SEQ_STOP_TIMER()                _TIMER_EVENT(TMR_STOP, 0)
1365 #define SEQ_CONTINUE_TIMER()            _TIMER_EVENT(TMR_CONTINUE, 0)
1366 #define SEQ_WAIT_TIME(ticks)            _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1367 #define SEQ_DELTA_TIME(ticks)           _TIMER_EVENT(TMR_WAIT_REL, ticks)
1368 #define SEQ_ECHO_BACK(key)              _TIMER_EVENT(TMR_ECHO, key)
1369 #define SEQ_SET_TEMPO(value)            _TIMER_EVENT(TMR_TEMPO, value)
1370 #define SEQ_SONGPOS(pos)                _TIMER_EVENT(TMR_SPP, pos)
1371 #define SEQ_TIME_SIGNATURE(sig)         _TIMER_EVENT(TMR_TIMESIG, sig)
1372
1373 /*
1374  * Local control events
1375  */
1376
1377 #define _LOCAL_EVENT(ev, parm)          { \
1378         _SEQ_NEEDBUF(8);\
1379         _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1380         _seqbuf[_seqbufptr+1] = (ev); \
1381         _seqbuf[_seqbufptr+2] = 0;\
1382         _seqbuf[_seqbufptr+3] = 0;\
1383         *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1384         _SEQ_ADVBUF(8); \
1385         }
1386
1387 #define SEQ_PLAYAUDIO(devmask)          _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1388 /*
1389  * Events for the level 1 interface only
1390  */
1391
1392 #define SEQ_MIDIOUT(device, byte)       { \
1393         _SEQ_NEEDBUF(4);\
1394         _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1395         _seqbuf[_seqbufptr+1] = (byte);\
1396         _seqbuf[_seqbufptr+2] = (device);\
1397         _seqbuf[_seqbufptr+3] = 0;\
1398         _SEQ_ADVBUF(4);}
1399
1400 /*
1401  * Patch loading.
1402  */
1403 #define SEQ_WRPATCH(patchx, len)        { \
1404         if (_seqbufptr) seqbuf_dump(); \
1405         if (write(seqfd, (char*)(patchx), len)==-1) \
1406            perror("Write patch: /dev/sequencer"); \
1407         }
1408
1409 #define SEQ_WRPATCH2(patchx, len)       \
1410         ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
1411
1412 #endif
1413
1414 /*
1415  * Here I have moved all the aliases for ioctl names.
1416  */
1417
1418 #define SNDCTL_DSP_SAMPLESIZE   SNDCTL_DSP_SETFMT
1419 #define SOUND_PCM_WRITE_BITS    SNDCTL_DSP_SETFMT
1420 #define SOUND_PCM_SETFMT        SNDCTL_DSP_SETFMT
1421
1422 #define SOUND_PCM_WRITE_RATE    SNDCTL_DSP_SPEED
1423 #define SOUND_PCM_POST          SNDCTL_DSP_POST
1424 #define SOUND_PCM_RESET         SNDCTL_DSP_RESET
1425 #define SOUND_PCM_SYNC          SNDCTL_DSP_SYNC
1426 #define SOUND_PCM_SUBDIVIDE     SNDCTL_DSP_SUBDIVIDE
1427 #define SOUND_PCM_SETFRAGMENT   SNDCTL_DSP_SETFRAGMENT
1428 #define SOUND_PCM_GETFMTS       SNDCTL_DSP_GETFMTS
1429 #define SOUND_PCM_GETOSPACE     SNDCTL_DSP_GETOSPACE
1430 #define SOUND_PCM_GETISPACE     SNDCTL_DSP_GETISPACE
1431 #define SOUND_PCM_NONBLOCK      SNDCTL_DSP_NONBLOCK
1432 #define SOUND_PCM_GETCAPS       SNDCTL_DSP_GETCAPS
1433 #define SOUND_PCM_GETTRIGGER    SNDCTL_DSP_GETTRIGGER
1434 #define SOUND_PCM_SETTRIGGER    SNDCTL_DSP_SETTRIGGER
1435 #define SOUND_PCM_SETSYNCRO     SNDCTL_DSP_SETSYNCRO
1436 #define SOUND_PCM_GETIPTR       SNDCTL_DSP_GETIPTR
1437 #define SOUND_PCM_GETOPTR       SNDCTL_DSP_GETOPTR
1438 #define SOUND_PCM_MAPINBUF      SNDCTL_DSP_MAPINBUF
1439 #define SOUND_PCM_MAPOUTBUF     SNDCTL_DSP_MAPOUTBUF
1440
1441 #endif  /* !_SYS_SOUNDCARD_H_ */