The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/soundcard.h

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    1 /*
    2  * $FreeBSD$
    3  * soundcard.h
    4  *
    5  * Copyright by Hannu Savolainen 1993
    6  * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above
   14  *    copyright notice, this list of conditions and the following
   15  *    disclaimer in the documentation and/or other materials provided
   16  *    with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
   19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   21  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
   22  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   25  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
   26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   28  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #ifndef SOUNDCARD_H
   33 #define SOUNDCARD_H
   34  /* 
   35   * If you make modifications to this file, please contact me before
   36   * distributing the modified version. There is already enough 
   37   * diversity in the world.
   38   *
   39   * Regards,
   40   * Hannu Savolainen
   41   * hannu@voxware.pp.fi
   42   *
   43   **********************************************************************
   44   * PS. The Hacker's Guide to VoxWare available from 
   45   *     nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is
   46   *     snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
   47   *     some useful information about programming with VoxWare.
   48   *     (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have
   49   *     to cd inside them before the files are accessible.)
   50   **********************************************************************
   51   */
   52 
   53 /*
   54  * SOUND_VERSION is only used by the voxware driver. Hopefully apps
   55  * should not depend on it, but rather look at the capabilities
   56  * of the driver in the kernel!
   57  */
   58 #define SOUND_VERSION  301
   59 #define VOXWARE         /* does this have any use ? */
   60 
   61 /*
   62  * Supported card ID numbers (Should be somewhere else? We keep
   63  * them here just for compativility with the old driver, but these
   64  * constants are of little or no use).
   65  */
   66 
   67 #define SNDCARD_ADLIB          1
   68 #define SNDCARD_SB             2
   69 #define SNDCARD_PAS            3
   70 #define SNDCARD_GUS            4
   71 #define SNDCARD_MPU401         5
   72 #define SNDCARD_SB16           6
   73 #define SNDCARD_SB16MIDI       7
   74 #define SNDCARD_UART6850       8
   75 #define SNDCARD_GUS16          9
   76 #define SNDCARD_MSS            10
   77 #define SNDCARD_PSS            11
   78 #define SNDCARD_SSCAPE         12
   79 #define SNDCARD_PSS_MPU        13
   80 #define SNDCARD_PSS_MSS        14
   81 #define SNDCARD_SSCAPE_MSS     15
   82 #define SNDCARD_TRXPRO         16
   83 #define SNDCARD_TRXPRO_SB      17
   84 #define SNDCARD_TRXPRO_MPU     18
   85 #define SNDCARD_MAD16          19
   86 #define SNDCARD_MAD16_MPU      20
   87 #define SNDCARD_CS4232         21
   88 #define SNDCARD_CS4232_MPU     22
   89 #define SNDCARD_MAUI           23
   90 #define SNDCARD_PSEUDO_MSS     24
   91 #define SNDCARD_AWE32           25
   92 #define SNDCARD_NSS            26
   93 
   94 #include <sys/types.h>
   95 #ifndef _IOWR
   96 #include <sys/ioccom.h>
   97 #endif  /* !_IOWR */
   98 
   99 /*
  100  * The first part of this file contains the new FreeBSD sound ioctl
  101  * interface. Tries to minimize the number of different ioctls, and
  102  * to be reasonably general.
  103  *
  104  * 970821: some of the new calls have not been implemented yet.
  105  */
  106 
  107 /*
  108  * the following three calls extend the generic file descriptor
  109  * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max
  110  * number of bytes for a write operation to be non-blocking.
  111  *
  112  * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device,
  113  * from a character device (default) to a block device. In block mode,
  114  * (not to be confused with blocking mode) the main difference for the
  115  * application is that select() will return only when a complete
  116  * block can be read/written to the device, whereas in character mode
  117  * select will return true when one byte can be exchanged. For audio
  118  * devices, character mode makes select almost useless since one byte
  119  * will always be ready by the next sample time (which is often only a
  120  * handful of microseconds away). 
  121  * Use a size of 0 or 1 to return to character mode.
  122  */
  123 #define AIONWRITE   _IOR('A', 10, int)   /* get # bytes to write */
  124 struct snd_size {
  125     int play_size;
  126     int rec_size;
  127 };
  128 #define AIOGSIZE    _IOR('A', 11, struct snd_size)/* read current blocksize */
  129 #define AIOSSIZE    _IOWR('A', 11, struct snd_size)  /* sets blocksize */
  130 
  131 /*
  132  * The following constants define supported audio formats. The
  133  * encoding follows voxware conventions, i.e. 1 bit for each supported
  134  * format. We extend it by using bit 31 (RO) to indicate full-duplex
  135  * capability, and bit 29 (RO) to indicate that the card supports/
  136  * needs different formats on capture & playback channels.
  137  * Bit 29 (RW) is used to indicate/ask stereo.
  138  */
  139 
  140 #   define AFMT_QUERY           0x00000000      /* Return current fmt */
  141 #   define AFMT_MU_LAW          0x00000001
  142 #   define AFMT_A_LAW           0x00000002
  143 #   define AFMT_IMA_ADPCM       0x00000004
  144 #   define AFMT_U8              0x00000008
  145 #   define AFMT_S16_LE          0x00000010      /* Little endian signed 16*/
  146 #   define AFMT_S16_BE          0x00000020      /* Big endian signed 16 */
  147 #   define AFMT_S8              0x00000040
  148 #   define AFMT_U16_LE          0x00000080      /* Little endian U16 */
  149 #   define AFMT_U16_BE          0x00000100      /* Big endian U16 */
  150 #   define AFMT_MPEG            0x00000200      /* MPEG (2) audio */
  151 
  152 #   define AFMT_STEREO          0x10000000      /* can do/want stereo   */
  153 
  154 /*
  155  * the following are really capabilities
  156  */
  157 #   define AFMT_WEIRD           0x20000000      /* weird hardware...    */
  158     /*
  159      * AFMT_WEIRD reports that the hardware might need to operate
  160      * with different formats in the playback and capture
  161      * channels when operating in full duplex.
  162      * As an example, SoundBlaster16 cards only support U8 in one
  163      * direction and S16 in the other one, and applications should
  164      * be aware of this limitation.
  165      */
  166 #   define AFMT_FULLDUPLEX      0x80000000      /* can do full duplex   */
  167 
  168 /*
  169  * The following structure is used to get/set format and sampling rate.
  170  * While it would be better to have things such as stereo, bits per
  171  * sample, endiannes, etc split in different variables, it turns out
  172  * that formats are not that many, and not all combinations are possible.
  173  * So we followed the Voxware approach of associating one bit to each
  174  * format.
  175  */
  176 
  177 typedef struct _snd_chan_param {
  178     u_long      play_rate;      /* sampling rate                        */
  179     u_long      rec_rate;       /* sampling rate                        */
  180     u_long      play_format;    /* everything describing the format     */
  181     u_long      rec_format;     /* everything describing the format     */
  182 } snd_chan_param;
  183 #define AIOGFMT    _IOR('f', 12, snd_chan_param)   /* get format */
  184 #define AIOSFMT    _IOWR('f', 12, snd_chan_param)  /* sets format */
  185 
  186 /*
  187  * The following structure is used to get/set the mixer setting.
  188  * Up to 32 mixers are supported, each one with up to 32 channels.
  189  */
  190 typedef struct _snd_mix_param {
  191     u_char      subdev; /* which output                         */
  192     u_char      line;   /* which input                          */
  193     u_char      left,right; /* volumes, 0..255, 0 = mute        */
  194 } snd_mix_param ;
  195 
  196 /* XXX AIOGMIX, AIOSMIX not implemented yet */
  197 #define AIOGMIX _IOWR('A', 13, snd_mix_param)   /* return mixer status */
  198 #define AIOSMIX _IOWR('A', 14, snd_mix_param)   /* sets mixer status   */
  199 
  200 /*
  201  * channel specifiers used in AIOSTOP and AIOSYNC
  202  */
  203 #define AIOSYNC_PLAY    0x1     /* play chan */
  204 #define AIOSYNC_CAPTURE 0x2     /* capture chan */
  205 /* AIOSTOP stop & flush a channel, returns the residual count */
  206 #define AIOSTOP _IOWR ('A', 15, int)
  207 
  208 /* alternate method used to notify the sync condition */
  209 #define AIOSYNC_SIGNAL  0x100
  210 #define AIOSYNC_SELECT  0x200
  211 
  212 /* what the 'pos' field refers to */
  213 #define AIOSYNC_READY   0x400
  214 #define AIOSYNC_FREE    0x800
  215 
  216 typedef struct _snd_sync_parm {
  217     long chan ; /* play or capture channel, plus modifier */
  218     long pos;
  219 } snd_sync_parm;
  220 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm)  /* misc. synchronization */
  221 
  222 /*
  223  * The following is used to return device capabilities. If the structure
  224  * passed to the ioctl is zeroed, default values are returned for rate
  225  * and formats, a bitmap of available mixers is returned, and values
  226  * (inputs, different levels) for the first one are returned.
  227  *
  228  * If  formats, mixers, inputs are instantiated, then detailed info
  229  * are returned depending on the call.
  230  */
  231 typedef struct _snd_capabilities {
  232     u_long      rate_min, rate_max;     /* min-max sampling rate */
  233     u_long      formats;
  234     u_long      bufsize; /* DMA buffer size */
  235     u_long      mixers; /* bitmap of available mixers */
  236     u_long      inputs; /* bitmap of available inputs (per mixer) */
  237     u_short     left, right;    /* how many levels are supported */
  238 } snd_capabilities;
  239 #define AIOGCAP _IOWR('A', 15, snd_capabilities)        /* get capabilities */
  240 
  241 /*
  242  * here is the old (Voxware) ioctl interface
  243  */
  244 
  245 /*
  246  * IOCTL Commands for /dev/sequencer
  247  */
  248 
  249 #define SNDCTL_SEQ_RESET        _IO  ('Q', 0)
  250 #define SNDCTL_SEQ_SYNC         _IO  ('Q', 1)
  251 #define SNDCTL_SYNTH_INFO       _IOWR('Q', 2, struct synth_info)
  252 #define SNDCTL_SEQ_CTRLRATE     _IOWR('Q', 3, int) /* Set/get timer res.(hz) */
  253 #define SNDCTL_SEQ_GETOUTCOUNT  _IOR ('Q', 4, int)
  254 #define SNDCTL_SEQ_GETINCOUNT   _IOR ('Q', 5, int)
  255 #define SNDCTL_SEQ_PERCMODE     _IOW ('Q', 6, int)
  256 #define SNDCTL_FM_LOAD_INSTR    _IOW ('Q', 7, struct sbi_instrument)    /* Valid for FM only */
  257 #define SNDCTL_SEQ_TESTMIDI     _IOW ('Q', 8, int)
  258 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
  259 #define SNDCTL_SEQ_NRSYNTHS     _IOR ('Q',10, int)
  260 #define SNDCTL_SEQ_NRMIDIS      _IOR ('Q',11, int)
  261 #define SNDCTL_MIDI_INFO        _IOWR('Q',12, struct midi_info)
  262 #define SNDCTL_SEQ_THRESHOLD    _IOW ('Q',13, int)
  263 #define SNDCTL_SEQ_TRESHOLD     SNDCTL_SEQ_THRESHOLD    /* there was once a typo */
  264 #define SNDCTL_SYNTH_MEMAVL     _IOWR('Q',14, int) /* in=dev#, out=memsize */
  265 #define SNDCTL_FM_4OP_ENABLE    _IOW ('Q',15, int) /* in=dev# */
  266 #define SNDCTL_PMGR_ACCESS      _IOWR('Q',16, struct patmgr_info)
  267 #define SNDCTL_SEQ_PANIC        _IO  ('Q',17)
  268 #define SNDCTL_SEQ_OUTOFBAND    _IOW ('Q',18, struct seq_event_rec)
  269 
  270 struct seq_event_rec {
  271         u_char arr[8];
  272 };
  273 
  274 #define SNDCTL_TMR_TIMEBASE     _IOWR('T', 1, int)
  275 #define SNDCTL_TMR_START        _IO  ('T', 2)
  276 #define SNDCTL_TMR_STOP         _IO  ('T', 3)
  277 #define SNDCTL_TMR_CONTINUE     _IO  ('T', 4)
  278 #define SNDCTL_TMR_TEMPO        _IOWR('T', 5, int)
  279 #define SNDCTL_TMR_SOURCE       _IOWR('T', 6, int)
  280 #   define TMR_INTERNAL         0x00000001
  281 #   define TMR_EXTERNAL         0x00000002
  282 #       define TMR_MODE_MIDI    0x00000010
  283 #       define TMR_MODE_FSK     0x00000020
  284 #       define TMR_MODE_CLS     0x00000040
  285 #       define TMR_MODE_SMPTE   0x00000080
  286 #define SNDCTL_TMR_METRONOME    _IOW ('T', 7, int)
  287 #define SNDCTL_TMR_SELECT       _IOW ('T', 8, int)
  288 
  289 /*
  290  *      Endian aware patch key generation algorithm.
  291  */
  292 
  293 #if defined(_AIX) || defined(AIX)
  294 #  define _PATCHKEY(id) (0xfd00|id)
  295 #else
  296 #  define _PATCHKEY(id) ((id<<8)|0xfd)
  297 #endif
  298 
  299 /*
  300  *      Sample loading mechanism for internal synthesizers (/dev/sequencer)
  301  *      The following patch_info structure has been designed to support
  302  *      Gravis UltraSound. It tries to be universal format for uploading
  303  *      sample based patches but is probably too limited.
  304  */
  305 
  306 struct patch_info {
  307 /*              u_short key;             Use GUS_PATCH here */
  308         short key;               /* Use GUS_PATCH here */
  309 #define GUS_PATCH       _PATCHKEY(0x04)
  310 #define OBSOLETE_GUS_PATCH      _PATCHKEY(0x02)
  311 
  312         short device_no;        /* Synthesizer number */
  313         short instr_no;         /* Midi pgm# */
  314 
  315         u_long mode;
  316 /*
  317  * The least significant byte has the same format than the GUS .PAT
  318  * files
  319  */
  320 #define WAVE_16_BITS    0x01    /* bit 0 = 8 or 16 bit wave data. */
  321 #define WAVE_UNSIGNED   0x02    /* bit 1 = Signed - Unsigned data. */
  322 #define WAVE_LOOPING    0x04    /* bit 2 = looping enabled-1. */
  323 #define WAVE_BIDIR_LOOP 0x08    /* bit 3 = Set is bidirectional looping. */
  324 #define WAVE_LOOP_BACK  0x10    /* bit 4 = Set is looping backward. */
  325 #define WAVE_SUSTAIN_ON 0x20    /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
  326 #define WAVE_ENVELOPES  0x40    /* bit 6 = Enable envelopes - 1 */
  327                                 /*      (use the env_rate/env_offs fields). */
  328 /* Linux specific bits */
  329 #define WAVE_VIBRATO    0x00010000      /* The vibrato info is valid */
  330 #define WAVE_TREMOLO    0x00020000      /* The tremolo info is valid */
  331 #define WAVE_SCALE      0x00040000      /* The scaling info is valid */
  332 /* Other bits must be zeroed */
  333 
  334         long len;       /* Size of the wave data in bytes */
  335         long loop_start, loop_end; /* Byte offsets from the beginning */
  336 
  337 /* 
  338  * The base_freq and base_note fields are used when computing the
  339  * playback speed for a note. The base_note defines the tone frequency
  340  * which is heard if the sample is played using the base_freq as the
  341  * playback speed.
  342  *
  343  * The low_note and high_note fields define the minimum and maximum note
  344  * frequencies for which this sample is valid. It is possible to define
  345  * more than one samples for a instrument number at the same time. The
  346  * low_note and high_note fields are used to select the most suitable one.
  347  *
  348  * The fields base_note, high_note and low_note should contain
  349  * the note frequency multiplied by 1000. For example value for the
  350  * middle A is 440*1000.
  351  */
  352 
  353         u_int base_freq;
  354         u_long base_note;
  355         u_long high_note;
  356         u_long low_note;
  357         int panning;    /* -128=left, 127=right */
  358         int detuning;
  359 
  360 /*      New fields introduced in version 1.99.5 */
  361 
  362        /* Envelope. Enabled by mode bit WAVE_ENVELOPES  */
  363         u_char  env_rate[ 6 ];   /* GUS HW ramping rate */
  364         u_char  env_offset[ 6 ]; /* 255 == 100% */
  365 
  366         /* 
  367          * The tremolo, vibrato and scale info are not supported yet.
  368          * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
  369          * WAVE_SCALE
  370          */
  371 
  372         u_char  tremolo_sweep;
  373         u_char  tremolo_rate;
  374         u_char  tremolo_depth;
  375 
  376         u_char  vibrato_sweep;
  377         u_char  vibrato_rate;
  378         u_char  vibrato_depth;
  379 
  380         int             scale_frequency;
  381         u_int   scale_factor;           /* from 0 to 2048 or 0 to 2 */
  382         
  383         int             volume;
  384         int             spare[4];
  385         char data[1];   /* The waveform data starts here */
  386 };
  387 
  388 struct sysex_info {
  389         short key;              /* Use GUS_PATCH here */
  390 #define SYSEX_PATCH     _PATCHKEY(0x05)
  391 #define MAUI_PATCH      _PATCHKEY(0x06)
  392         short device_no;        /* Synthesizer number */
  393         long len;       /* Size of the sysex data in bytes */
  394         u_char data[1]; /* Sysex data starts here */
  395 };
  396 
  397 /*
  398  * Patch management interface (/dev/sequencer, /dev/patmgr#)
  399  * Don't use these calls if you want to maintain compatibility with
  400  * the future versions of the driver.
  401  */
  402 
  403 #define PS_NO_PATCHES           0       /* No patch support on device */
  404 #define PS_MGR_NOT_OK           1       /* Plain patch support (no mgr) */
  405 #define PS_MGR_OK               2       /* Patch manager supported */
  406 #define PS_MANAGED              3       /* Patch manager running */
  407 
  408 #define SNDCTL_PMGR_IFACE               _IOWR('P', 1, struct patmgr_info)
  409 
  410 /*
  411  * The patmgr_info is a fixed size structure which is used for two
  412  * different purposes. The intended use is for communication between
  413  * the application using /dev/sequencer and the patch manager daemon
  414  * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
  415  *
  416  * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
  417  * a patch manager daemon to read and write device parameters. This
  418  * ioctl available through /dev/sequencer also. Avoid using it since it's
  419  * extremely hardware dependent. In addition access trough /dev/sequencer 
  420  * may confuse the patch manager daemon.
  421  */
  422 
  423 struct patmgr_info {    /* Note! size must be < 4k since kmalloc() is used */
  424           u_long key;   /* Don't worry. Reserved for communication
  425                                    between the patch manager and the driver. */
  426 #define PM_K_EVENT              1 /* Event from the /dev/sequencer driver */
  427 #define PM_K_COMMAND            2 /* Request from a application */
  428 #define PM_K_RESPONSE           3 /* From patmgr to application */
  429 #define PM_ERROR                4 /* Error returned by the patmgr */
  430           int device;
  431           int command;
  432 
  433 /* 
  434  * Commands 0x000 to 0xfff reserved for patch manager programs 
  435  */
  436 #define PM_GET_DEVTYPE  1       /* Returns type of the patch mgr interface of dev */
  437 #define         PMTYPE_FM2      1       /* 2 OP fm */
  438 #define         PMTYPE_FM4      2       /* Mixed 4 or 2 op FM (OPL-3) */
  439 #define         PMTYPE_WAVE     3       /* Wave table synthesizer (GUS) */
  440 #define PM_GET_NRPGM    2       /* Returns max # of midi programs in parm1 */
  441 #define PM_GET_PGMMAP   3       /* Returns map of loaded midi programs in data8 */
  442 #define PM_GET_PGM_PATCHES 4    /* Return list of patches of a program (parm1) */
  443 #define PM_GET_PATCH    5       /* Return patch header of patch parm1 */
  444 #define PM_SET_PATCH    6       /* Set patch header of patch parm1 */
  445 #define PM_READ_PATCH   7       /* Read patch (wave) data */
  446 #define PM_WRITE_PATCH  8       /* Write patch (wave) data */
  447 
  448 /*
  449  * Commands 0x1000 to 0xffff are for communication between the patch manager
  450  * and the client
  451  */
  452 #define _PM_LOAD_PATCH  0x100
  453 
  454 /* 
  455  * Commands above 0xffff reserved for device specific use
  456  */
  457 
  458         long parm1;
  459         long parm2;
  460         long parm3;
  461 
  462         union {
  463                 u_char data8[4000];
  464                 u_short data16[2000];
  465                 u_long data32[1000];
  466                 struct patch_info patch;
  467         } data;
  468 };
  469 
  470 /*
  471  * When a patch manager daemon is present, it will be informed by the
  472  * driver when something important happens. For example when the
  473  * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
  474  * returned. The command field contains the event type:
  475  */
  476 #define PM_E_OPENED             1       /* /dev/sequencer opened */
  477 #define PM_E_CLOSED             2       /* /dev/sequencer closed */
  478 #define PM_E_PATCH_RESET        3       /* SNDCTL_RESETSAMPLES called */
  479 #define PM_E_PATCH_LOADED       4       /* A patch has been loaded by appl */
  480 
  481 /*
  482  * /dev/sequencer input events.
  483  *
  484  * The data written to the /dev/sequencer is a stream of events. Events
  485  * are records of 4 or 8 bytes. The first byte defines the size. 
  486  * Any number of events can be written with a write call. There
  487  * is a set of macros for sending these events. Use these macros if you
  488  * want to maximize portability of your program.
  489  *
  490  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
  491  * (All input events are currently 4 bytes long. Be prepared to support
  492  * 8 byte events also. If you receive any event having first byte >= 128,
  493  * it's a 8 byte event.
  494  *
  495  * The events are documented at the end of this file.
  496  *
  497  * Normal events (4 bytes)
  498  * There is also a 8 byte version of most of the 4 byte events. The
  499  * 8 byte one is recommended.
  500  */
  501 #define SEQ_NOTEOFF             0
  502 #define SEQ_FMNOTEOFF           SEQ_NOTEOFF     /* Just old name */
  503 #define SEQ_NOTEON              1
  504 #define SEQ_FMNOTEON            SEQ_NOTEON
  505 #define SEQ_WAIT                TMR_WAIT_ABS
  506 #define SEQ_PGMCHANGE           3
  507 #define SEQ_FMPGMCHANGE         SEQ_PGMCHANGE
  508 #define SEQ_SYNCTIMER           TMR_START
  509 #define SEQ_MIDIPUTC            5
  510 #define SEQ_DRUMON              6       /*** OBSOLETE ***/
  511 #define SEQ_DRUMOFF             7       /*** OBSOLETE ***/
  512 #define SEQ_ECHO                TMR_ECHO        /* For synching programs with output */
  513 #define SEQ_AFTERTOUCH          9
  514 #define SEQ_CONTROLLER          10
  515 
  516 /*
  517  *      Midi controller numbers
  518  *
  519  * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
  520  * are continuous controllers.
  521  * In the MIDI 1.0 these controllers are sent using two messages.
  522  * Controller numbers 0 to 31 are used to send the MSB and the
  523  * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
  524  * are used in MIDI bytes.
  525  */
  526 
  527 #define CTL_BANK_SELECT         0x00
  528 #define CTL_MODWHEEL            0x01
  529 #define CTL_BREATH              0x02
  530 /*      undefined               0x03 */
  531 #define CTL_FOOT                0x04
  532 #define CTL_PORTAMENTO_TIME     0x05
  533 #define CTL_DATA_ENTRY          0x06
  534 #define CTL_MAIN_VOLUME         0x07
  535 #define CTL_BALANCE             0x08
  536 /*      undefined               0x09 */
  537 #define CTL_PAN                 0x0a
  538 #define CTL_EXPRESSION          0x0b
  539 /*      undefined               0x0c - 0x0f */
  540 #define CTL_GENERAL_PURPOSE1    0x10
  541 #define CTL_GENERAL_PURPOSE2    0x11
  542 #define CTL_GENERAL_PURPOSE3    0x12
  543 #define CTL_GENERAL_PURPOSE4    0x13
  544 /*      undefined               0x14 - 0x1f */
  545 
  546 /*      undefined               0x20 */
  547 
  548 /*
  549  * The controller numbers 0x21 to 0x3f are reserved for the
  550  * least significant bytes of the controllers 0x00 to 0x1f.
  551  * These controllers are not recognised by the driver.
  552  *
  553  * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
  554  * 0=OFF and 127=ON (intermediate values are possible)
  555  */
  556 #define CTL_DAMPER_PEDAL        0x40
  557 #define CTL_SUSTAIN             CTL_DAMPER_PEDAL        /* Alias */
  558 #define CTL_HOLD                CTL_DAMPER_PEDAL        /* Alias */
  559 #define CTL_PORTAMENTO          0x41
  560 #define CTL_SOSTENUTO           0x42
  561 #define CTL_SOFT_PEDAL          0x43
  562 /*      undefined               0x44 */
  563 #define CTL_HOLD2               0x45
  564 /*      undefined               0x46 - 0x4f */
  565 
  566 #define CTL_GENERAL_PURPOSE5    0x50
  567 #define CTL_GENERAL_PURPOSE6    0x51
  568 #define CTL_GENERAL_PURPOSE7    0x52
  569 #define CTL_GENERAL_PURPOSE8    0x53
  570 /*      undefined               0x54 - 0x5a */
  571 #define CTL_EXT_EFF_DEPTH       0x5b
  572 #define CTL_TREMOLO_DEPTH       0x5c
  573 #define CTL_CHORUS_DEPTH        0x5d
  574 #define CTL_DETUNE_DEPTH        0x5e
  575 #define CTL_CELESTE_DEPTH       CTL_DETUNE_DEPTH /* Alias for the above one */
  576 #define CTL_PHASER_DEPTH        0x5f
  577 #define CTL_DATA_INCREMENT      0x60
  578 #define CTL_DATA_DECREMENT      0x61
  579 #define CTL_NONREG_PARM_NUM_LSB 0x62
  580 #define CTL_NONREG_PARM_NUM_MSB 0x63
  581 #define CTL_REGIST_PARM_NUM_LSB 0x64
  582 #define CTL_REGIST_PARM_NUM_MSB 0x65
  583 /*      undefined               0x66 - 0x78 */
  584 /*      reserved                0x79 - 0x7f */
  585 
  586 /* Pseudo controllers (not midi compatible) */
  587 #define CTRL_PITCH_BENDER       255
  588 #define CTRL_PITCH_BENDER_RANGE 254
  589 #define CTRL_EXPRESSION         253     /* Obsolete */
  590 #define CTRL_MAIN_VOLUME        252     /* Obsolete */
  591 
  592 #define SEQ_BALANCE             11
  593 #define SEQ_VOLMODE             12
  594 
  595 /*
  596  * Volume mode decides how volumes are used
  597  */
  598 
  599 #define VOL_METHOD_ADAGIO       1
  600 #define VOL_METHOD_LINEAR       2
  601 
  602 /*
  603  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
  604  *       input events.
  605  */
  606 
  607 /*
  608  * Event codes 0xf0 to 0xfc are reserved for future extensions.
  609  */
  610 
  611 #define SEQ_FULLSIZE            0xfd    /* Long events */
  612 /*
  613  * SEQ_FULLSIZE events are used for loading patches/samples to the
  614  * synthesizer devices. These events are passed directly to the driver
  615  * of the associated synthesizer device. There is no limit to the size
  616  * of the extended events. These events are not queued but executed
  617  * immediately when the write() is called (execution can take several
  618  * seconds of time). 
  619  *
  620  * When a SEQ_FULLSIZE message is written to the device, it must
  621  * be written using exactly one write() call. Other events cannot
  622  * be mixed to the same write.
  623  * 
  624  * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
  625  * it to the /dev/sequencer. Don't write other data together with
  626  * the instrument structure Set the key field of the structure to
  627  * FM_PATCH. The device field is used to route the patch to the
  628  * corresponding device.
  629  *
  630  * For Gravis UltraSound use struct patch_info. Initialize the key field
  631  * to GUS_PATCH.
  632  */
  633 #define SEQ_PRIVATE     0xfe    /* Low level HW dependent events (8 bytes) */
  634 #define SEQ_EXTENDED    0xff    /* Extended events (8 bytes) OBSOLETE */
  635 
  636 /*
  637  * Record for FM patches
  638  */
  639 
  640 typedef u_char sbi_instr_data[32];
  641 
  642 struct sbi_instrument {
  643         u_short key;    /* FM_PATCH or OPL3_PATCH */
  644 #define FM_PATCH        _PATCHKEY(0x01)
  645 #define OPL3_PATCH      _PATCHKEY(0x03)
  646         short           device;         /* Synth# (0-4) */
  647         int             channel;        /* Program# to be initialized  */
  648         sbi_instr_data  operators;      /* Reg. settings for operator cells
  649                                          * (.SBI format)        */
  650 };
  651 
  652 struct synth_info {     /* Read only */
  653         char    name[30];
  654         int     device;         /* 0-N. INITIALIZE BEFORE CALLING */
  655         int     synth_type;
  656 #define SYNTH_TYPE_FM                   0
  657 #define SYNTH_TYPE_SAMPLE               1
  658 #define SYNTH_TYPE_MIDI                 2       /* Midi interface */
  659 
  660         int     synth_subtype;
  661 #define FM_TYPE_ADLIB                   0x00
  662 #define FM_TYPE_OPL3                    0x01
  663 
  664 #define SAMPLE_TYPE_BASIC               0x10
  665 #define SAMPLE_TYPE_GUS                 SAMPLE_TYPE_BASIC
  666 #define SAMPLE_TYPE_AWE32               0x20
  667 
  668         int     perc_mode;      /* No longer supported */
  669         int     nr_voices;
  670         int     nr_drums;       /* Obsolete field */
  671         int     instr_bank_size;
  672         u_long  capabilities;   
  673 #define SYNTH_CAP_PERCMODE      0x00000001 /* No longer used */
  674 #define SYNTH_CAP_OPL3          0x00000002 /* Set if OPL3 supported */
  675 #define SYNTH_CAP_INPUT         0x00000004 /* Input (MIDI) device */
  676         int     dummies[19];    /* Reserve space */
  677 };
  678 
  679 struct sound_timer_info {
  680         char name[32];
  681         int caps;
  682 };
  683 
  684 #define MIDI_CAP_MPU401         1               /* MPU-401 intelligent mode */
  685 
  686 struct midi_info {
  687         char            name[30];
  688         int             device;         /* 0-N. INITIALIZE BEFORE CALLING */
  689         u_long  capabilities;   /* To be defined later */
  690         int             dev_type;
  691         int             dummies[18];    /* Reserve space */
  692 };
  693 
  694 /*
  695  * ioctl commands for the /dev/midi##
  696  */
  697 typedef struct {
  698         u_char cmd;
  699         char nr_args, nr_returns;
  700         u_char data[30];
  701 } mpu_command_rec;
  702 
  703 #define SNDCTL_MIDI_PRETIME     _IOWR('m', 0, int)
  704 #define SNDCTL_MIDI_MPUMODE     _IOWR('m', 1, int)
  705 #define SNDCTL_MIDI_MPUCMD      _IOWR('m', 2, mpu_command_rec)
  706 
  707 /*
  708  * IOCTL commands for /dev/dsp and /dev/audio
  709  */
  710 
  711 #define SNDCTL_DSP_RESET        _IO  ('P', 0)
  712 #define SNDCTL_DSP_SYNC         _IO  ('P', 1)
  713 #define SNDCTL_DSP_SPEED        _IOWR('P', 2, int)
  714 #define SNDCTL_DSP_STEREO       _IOWR('P', 3, int)
  715 #define SNDCTL_DSP_GETBLKSIZE   _IOR('P', 4, int)
  716 #define SNDCTL_DSP_SETBLKSIZE   _IOW('P', 4, int)
  717 #define SNDCTL_DSP_SETFMT       _IOWR('P',5, int) /* Selects ONE fmt*/
  718 
  719 /*
  720  * SOUND_PCM_WRITE_CHANNELS is not that different
  721  * from SNDCTL_DSP_STEREO
  722  */
  723 #define SOUND_PCM_WRITE_CHANNELS        _IOWR('P', 6, int)
  724 #define SOUND_PCM_WRITE_FILTER  _IOWR('P', 7, int)
  725 #define SNDCTL_DSP_POST         _IO  ('P', 8)
  726 
  727 /*
  728  * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
  729  * the same thing, i.e. set the block size used in DMA transfers.
  730  */
  731 #define SNDCTL_DSP_SUBDIVIDE    _IOWR('P', 9, int)
  732 #define SNDCTL_DSP_SETFRAGMENT  _IOWR('P',10, int)
  733 
  734 
  735 #define SNDCTL_DSP_GETFMTS      _IOR ('P',11, int) /* Returns a mask */
  736 /*
  737  * Buffer status queries.
  738  */
  739 typedef struct audio_buf_info {
  740     int fragments;      /* # of avail. frags (partly used ones not counted) */
  741     int fragstotal;     /* Total # of fragments allocated */
  742     int fragsize;       /* Size of a fragment in bytes */
  743 
  744     int bytes;  /* Avail. space in bytes (includes partly used fragments) */
  745                 /* Note! 'bytes' could be more than fragments*fragsize */
  746 } audio_buf_info;
  747 
  748 #define SNDCTL_DSP_GETOSPACE    _IOR ('P',12, audio_buf_info)
  749 #define SNDCTL_DSP_GETISPACE    _IOR ('P',13, audio_buf_info)
  750 
  751 /*
  752  * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
  753  * action cannot be undone) of FIONBIO. The same can be achieved
  754  * by opening the device with O_NDELAY
  755  */
  756 #define SNDCTL_DSP_NONBLOCK     _IO  ('P',14)
  757 
  758 #define SNDCTL_DSP_GETCAPS      _IOR ('P',15, int)
  759 #define DSP_CAP_REVISION        0x000000ff /* revision level (0 to 255) */
  760 #define DSP_CAP_DUPLEX          0x00000100 /* Full duplex record/playback */
  761 #define DSP_CAP_REALTIME        0x00000200 /* Real time capability */
  762 #define DSP_CAP_BATCH           0x00000400
  763     /*
  764      * Device has some kind of internal buffers which may
  765      * cause some delays and decrease precision of timing
  766      */
  767 #define DSP_CAP_COPROC          0x00000800
  768     /* Has a coprocessor, sometimes it's a DSP but usually not */
  769 #define DSP_CAP_TRIGGER         0x00001000 /* Supports SETTRIGGER */
  770 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
  771 
  772 /*
  773  * What do these function do ?
  774  */
  775 #define SNDCTL_DSP_GETTRIGGER   _IOR ('P',16, int)
  776 #define SNDCTL_DSP_SETTRIGGER   _IOW ('P',16, int)
  777 #define PCM_ENABLE_INPUT        0x00000001
  778 #define PCM_ENABLE_OUTPUT       0x00000002
  779 
  780 typedef struct count_info {
  781         int bytes;      /* Total # of bytes processed */
  782         int blocks;     /* # of fragment transitions since last time */
  783         int ptr;        /* Current DMA pointer value */
  784 } count_info;
  785 
  786 /*
  787  * GETIPTR and GETISPACE are not that different... same for out.
  788  */
  789 #define SNDCTL_DSP_GETIPTR      _IOR ('P',17, count_info)
  790 #define SNDCTL_DSP_GETOPTR      _IOR ('P',18, count_info)
  791 
  792 typedef struct buffmem_desc {
  793         caddr_t buffer;
  794         int size;
  795 } buffmem_desc;
  796 
  797 #define SNDCTL_DSP_MAPINBUF     _IOR ('P', 19, buffmem_desc)
  798 #define SNDCTL_DSP_MAPOUTBUF    _IOR ('P', 20, buffmem_desc)
  799 #define SNDCTL_DSP_SETSYNCRO    _IO  ('P', 21)
  800 #define SNDCTL_DSP_GETODELAY    _IOR ('P', 23, int)
  801 
  802 /*
  803  * I guess these are the readonly version of the same
  804  * functions that exist above as SNDCTL_DSP_...
  805  */
  806 #define SOUND_PCM_READ_RATE     _IOR ('P', 2, int)
  807 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
  808 #define SOUND_PCM_READ_BITS     _IOR ('P', 5, int)
  809 #define SOUND_PCM_READ_FILTER   _IOR ('P', 7, int)
  810 
  811 /*
  812  * ioctl calls to be used in communication with coprocessors and
  813  * DSP chips.
  814  */
  815 
  816 typedef struct copr_buffer {
  817         int command;    /* Set to 0 if not used */
  818         int flags;
  819 #define CPF_NONE                0x0000
  820 #define CPF_FIRST               0x0001  /* First block */
  821 #define CPF_LAST                0x0002  /* Last block */
  822         int len;
  823         int offs;       /* If required by the device (0 if not used) */
  824 
  825         u_char data[4000]; /* NOTE! 4000 is not 4k */
  826 } copr_buffer;
  827 
  828 typedef struct copr_debug_buf {
  829         int command;    /* Used internally. Set to 0 */
  830         int parm1;
  831         int parm2;
  832         int flags;      
  833         int len;        /* Length of data in bytes */
  834 } copr_debug_buf;
  835 
  836 typedef struct copr_msg {
  837         int len;
  838         u_char data[4000];
  839 } copr_msg;
  840 
  841 #define SNDCTL_COPR_RESET       _IO  ('C',  0)
  842 #define SNDCTL_COPR_LOAD        _IOWR('C',  1, copr_buffer)
  843 #define SNDCTL_COPR_RDATA       _IOWR('C',  2, copr_debug_buf)
  844 #define SNDCTL_COPR_RCODE       _IOWR('C',  3, copr_debug_buf)
  845 #define SNDCTL_COPR_WDATA       _IOW ('C',  4, copr_debug_buf)
  846 #define SNDCTL_COPR_WCODE       _IOW ('C',  5, copr_debug_buf)
  847 #define SNDCTL_COPR_RUN         _IOWR('C',  6, copr_debug_buf)
  848 #define SNDCTL_COPR_HALT        _IOWR('C',  7, copr_debug_buf)
  849 #define SNDCTL_COPR_SENDMSG     _IOW ('C',  8, copr_msg)
  850 #define SNDCTL_COPR_RCVMSG      _IOR ('C',  9, copr_msg)
  851 
  852 /*
  853  * IOCTL commands for /dev/mixer
  854  */
  855         
  856 /* 
  857  * Mixer devices
  858  *
  859  * There can be up to 20 different analog mixer channels. The
  860  * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 
  861  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
  862  * the devices supported by the particular mixer.
  863  */
  864 
  865 #define SOUND_MIXER_NRDEVICES   25
  866 #define SOUND_MIXER_VOLUME      0
  867 #define SOUND_MIXER_BASS        1
  868 #define SOUND_MIXER_TREBLE      2
  869 #define SOUND_MIXER_SYNTH       3
  870 #define SOUND_MIXER_PCM         4
  871 #define SOUND_MIXER_SPEAKER     5
  872 #define SOUND_MIXER_LINE        6
  873 #define SOUND_MIXER_MIC         7
  874 #define SOUND_MIXER_CD          8
  875 #define SOUND_MIXER_IMIX        9       /*  Recording monitor  */
  876 #define SOUND_MIXER_ALTPCM      10
  877 #define SOUND_MIXER_RECLEV      11      /* Recording level */
  878 #define SOUND_MIXER_IGAIN       12      /* Input gain */
  879 #define SOUND_MIXER_OGAIN       13      /* Output gain */
  880 /* 
  881  * The AD1848 codec and compatibles have three line level inputs
  882  * (line, aux1 and aux2). Since each card manufacturer have assigned
  883  * different meanings to these inputs, it's inpractical to assign
  884  * specific meanings (line, cd, synth etc.) to them.
  885  */
  886 #define SOUND_MIXER_LINE1       14      /* Input source 1  (aux1) */
  887 #define SOUND_MIXER_LINE2       15      /* Input source 2  (aux2) */
  888 #define SOUND_MIXER_LINE3       16      /* Input source 3  (line) */
  889 #define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
  890 #define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
  891 #define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
  892 #define SOUND_MIXER_PHONEIN     20      /* Phone input */
  893 #define SOUND_MIXER_PHONEOUT    21      /* Phone output */
  894 #define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
  895 #define SOUND_MIXER_RADIO       23      /* Radio in */
  896 #define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
  897 
  898 
  899 /*
  900  * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
  901  * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
  902  */
  903 #define SOUND_ONOFF_MIN         28
  904 #define SOUND_ONOFF_MAX         30
  905 #define SOUND_MIXER_MUTE        28      /* 0 or 1 */
  906 #define SOUND_MIXER_ENHANCE     29      /* Enhanced stereo (0, 40, 60 or 80) */
  907 #define SOUND_MIXER_LOUD        30      /* 0 or 1 */
  908 
  909 /* Note!        Number 31 cannot be used since the sign bit is reserved */
  910 #define SOUND_MIXER_NONE        31
  911 
  912 #define SOUND_DEVICE_LABELS     { \
  913         "Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
  914         "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
  915         "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
  916         "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
  917 
  918 #define SOUND_DEVICE_NAMES      { \
  919         "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
  920         "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
  921         "line1", "line2", "line3", "dig1", "dig2", "dig3", \
  922         "phin", "phout", "video", "radio", "monitor"}
  923 
  924 /*      Device bitmask identifiers      */
  925 
  926 #define SOUND_MIXER_RECSRC      0xff    /* 1 bit per recording source */
  927 #define SOUND_MIXER_DEVMASK     0xfe    /* 1 bit per supported device */
  928 #define SOUND_MIXER_RECMASK     0xfd    /* 1 bit per supp. recording source */
  929 #define SOUND_MIXER_CAPS        0xfc
  930 #define SOUND_CAP_EXCL_INPUT    0x00000001      /* Only 1 rec. src at a time */
  931 #define SOUND_MIXER_STEREODEVS  0xfb    /* Mixer channels supporting stereo */
  932 
  933 /*      Device mask bits        */
  934 
  935 #define SOUND_MASK_VOLUME       (1 << SOUND_MIXER_VOLUME)
  936 #define SOUND_MASK_BASS         (1 << SOUND_MIXER_BASS)
  937 #define SOUND_MASK_TREBLE       (1 << SOUND_MIXER_TREBLE)
  938 #define SOUND_MASK_SYNTH        (1 << SOUND_MIXER_SYNTH)
  939 #define SOUND_MASK_PCM          (1 << SOUND_MIXER_PCM)
  940 #define SOUND_MASK_SPEAKER      (1 << SOUND_MIXER_SPEAKER)
  941 #define SOUND_MASK_LINE         (1 << SOUND_MIXER_LINE)
  942 #define SOUND_MASK_MIC          (1 << SOUND_MIXER_MIC)
  943 #define SOUND_MASK_CD           (1 << SOUND_MIXER_CD)
  944 #define SOUND_MASK_IMIX         (1 << SOUND_MIXER_IMIX)
  945 #define SOUND_MASK_ALTPCM       (1 << SOUND_MIXER_ALTPCM)
  946 #define SOUND_MASK_RECLEV       (1 << SOUND_MIXER_RECLEV)
  947 #define SOUND_MASK_IGAIN        (1 << SOUND_MIXER_IGAIN)
  948 #define SOUND_MASK_OGAIN        (1 << SOUND_MIXER_OGAIN)
  949 #define SOUND_MASK_LINE1        (1 << SOUND_MIXER_LINE1)
  950 #define SOUND_MASK_LINE2        (1 << SOUND_MIXER_LINE2)
  951 #define SOUND_MASK_LINE3        (1 << SOUND_MIXER_LINE3)
  952 #define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
  953 #define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
  954 #define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
  955 #define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
  956 #define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
  957 #define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
  958 #define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
  959 #define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
  960 
  961 /* Obsolete macros */
  962 #define SOUND_MASK_MUTE         (1 << SOUND_MIXER_MUTE)
  963 #define SOUND_MASK_ENHANCE      (1 << SOUND_MIXER_ENHANCE)
  964 #define SOUND_MASK_LOUD         (1 << SOUND_MIXER_LOUD)
  965 
  966 #define MIXER_READ(dev)         _IOR('M', dev, int)
  967 #define SOUND_MIXER_READ_VOLUME         MIXER_READ(SOUND_MIXER_VOLUME)
  968 #define SOUND_MIXER_READ_BASS           MIXER_READ(SOUND_MIXER_BASS)
  969 #define SOUND_MIXER_READ_TREBLE         MIXER_READ(SOUND_MIXER_TREBLE)
  970 #define SOUND_MIXER_READ_SYNTH          MIXER_READ(SOUND_MIXER_SYNTH)
  971 #define SOUND_MIXER_READ_PCM            MIXER_READ(SOUND_MIXER_PCM)
  972 #define SOUND_MIXER_READ_SPEAKER        MIXER_READ(SOUND_MIXER_SPEAKER)
  973 #define SOUND_MIXER_READ_LINE           MIXER_READ(SOUND_MIXER_LINE)
  974 #define SOUND_MIXER_READ_MIC            MIXER_READ(SOUND_MIXER_MIC)
  975 #define SOUND_MIXER_READ_CD             MIXER_READ(SOUND_MIXER_CD)
  976 #define SOUND_MIXER_READ_IMIX           MIXER_READ(SOUND_MIXER_IMIX)
  977 #define SOUND_MIXER_READ_ALTPCM         MIXER_READ(SOUND_MIXER_ALTPCM)
  978 #define SOUND_MIXER_READ_RECLEV         MIXER_READ(SOUND_MIXER_RECLEV)
  979 #define SOUND_MIXER_READ_IGAIN          MIXER_READ(SOUND_MIXER_IGAIN)
  980 #define SOUND_MIXER_READ_OGAIN          MIXER_READ(SOUND_MIXER_OGAIN)
  981 #define SOUND_MIXER_READ_LINE1          MIXER_READ(SOUND_MIXER_LINE1)
  982 #define SOUND_MIXER_READ_LINE2          MIXER_READ(SOUND_MIXER_LINE2)
  983 #define SOUND_MIXER_READ_LINE3          MIXER_READ(SOUND_MIXER_LINE3)
  984 
  985 /* Obsolete macros */
  986 #define SOUND_MIXER_READ_MUTE           MIXER_READ(SOUND_MIXER_MUTE)
  987 #define SOUND_MIXER_READ_ENHANCE        MIXER_READ(SOUND_MIXER_ENHANCE)
  988 #define SOUND_MIXER_READ_LOUD           MIXER_READ(SOUND_MIXER_LOUD)
  989 
  990 #define SOUND_MIXER_READ_RECSRC         MIXER_READ(SOUND_MIXER_RECSRC)
  991 #define SOUND_MIXER_READ_DEVMASK        MIXER_READ(SOUND_MIXER_DEVMASK)
  992 #define SOUND_MIXER_READ_RECMASK        MIXER_READ(SOUND_MIXER_RECMASK)
  993 #define SOUND_MIXER_READ_STEREODEVS     MIXER_READ(SOUND_MIXER_STEREODEVS)
  994 #define SOUND_MIXER_READ_CAPS           MIXER_READ(SOUND_MIXER_CAPS)
  995 
  996 #define MIXER_WRITE(dev)                _IOWR('M', dev, int)
  997 #define SOUND_MIXER_WRITE_VOLUME        MIXER_WRITE(SOUND_MIXER_VOLUME)
  998 #define SOUND_MIXER_WRITE_BASS          MIXER_WRITE(SOUND_MIXER_BASS)
  999 #define SOUND_MIXER_WRITE_TREBLE        MIXER_WRITE(SOUND_MIXER_TREBLE)
 1000 #define SOUND_MIXER_WRITE_SYNTH         MIXER_WRITE(SOUND_MIXER_SYNTH)
 1001 #define SOUND_MIXER_WRITE_PCM           MIXER_WRITE(SOUND_MIXER_PCM)
 1002 #define SOUND_MIXER_WRITE_SPEAKER       MIXER_WRITE(SOUND_MIXER_SPEAKER)
 1003 #define SOUND_MIXER_WRITE_LINE          MIXER_WRITE(SOUND_MIXER_LINE)
 1004 #define SOUND_MIXER_WRITE_MIC           MIXER_WRITE(SOUND_MIXER_MIC)
 1005 #define SOUND_MIXER_WRITE_CD            MIXER_WRITE(SOUND_MIXER_CD)
 1006 #define SOUND_MIXER_WRITE_IMIX          MIXER_WRITE(SOUND_MIXER_IMIX)
 1007 #define SOUND_MIXER_WRITE_ALTPCM        MIXER_WRITE(SOUND_MIXER_ALTPCM)
 1008 #define SOUND_MIXER_WRITE_RECLEV        MIXER_WRITE(SOUND_MIXER_RECLEV)
 1009 #define SOUND_MIXER_WRITE_IGAIN         MIXER_WRITE(SOUND_MIXER_IGAIN)
 1010 #define SOUND_MIXER_WRITE_OGAIN         MIXER_WRITE(SOUND_MIXER_OGAIN)
 1011 #define SOUND_MIXER_WRITE_LINE1         MIXER_WRITE(SOUND_MIXER_LINE1)
 1012 #define SOUND_MIXER_WRITE_LINE2         MIXER_WRITE(SOUND_MIXER_LINE2)
 1013 #define SOUND_MIXER_WRITE_LINE3         MIXER_WRITE(SOUND_MIXER_LINE3)
 1014 #define SOUND_MIXER_WRITE_MUTE          MIXER_WRITE(SOUND_MIXER_MUTE)
 1015 #define SOUND_MIXER_WRITE_ENHANCE       MIXER_WRITE(SOUND_MIXER_ENHANCE)
 1016 #define SOUND_MIXER_WRITE_LOUD          MIXER_WRITE(SOUND_MIXER_LOUD)
 1017 
 1018 #define SOUND_MIXER_WRITE_RECSRC        MIXER_WRITE(SOUND_MIXER_RECSRC)
 1019 
 1020 #define LEFT_CHN        0
 1021 #define RIGHT_CHN       1
 1022 
 1023 /*
 1024  * Level 2 event types for /dev/sequencer
 1025  */
 1026 
 1027 /*
 1028  * The 4 most significant bits of byte 0 specify the class of
 1029  * the event: 
 1030  *
 1031  *      0x8X = system level events,
 1032  *      0x9X = device/port specific events, event[1] = device/port,
 1033  *              The last 4 bits give the subtype:
 1034  *                      0x02    = Channel event (event[3] = chn).
 1035  *                      0x01    = note event (event[4] = note).
 1036  *                      (0x01 is not used alone but always with bit 0x02).
 1037  *             event[2] = MIDI message code (0x80=note off etc.)
 1038  *
 1039  */
 1040 
 1041 #define EV_SEQ_LOCAL            0x80
 1042 #define EV_TIMING               0x81
 1043 #define EV_CHN_COMMON           0x92
 1044 #define EV_CHN_VOICE            0x93
 1045 #define EV_SYSEX                0x94
 1046 /*
 1047  * Event types 200 to 220 are reserved for application use.
 1048  * These numbers will not be used by the driver.
 1049  */
 1050 
 1051 /*
 1052  * Events for event type EV_CHN_VOICE
 1053  */
 1054 
 1055 #define MIDI_NOTEOFF            0x80
 1056 #define MIDI_NOTEON             0x90
 1057 #define MIDI_KEY_PRESSURE       0xA0
 1058 
 1059 /*
 1060  * Events for event type EV_CHN_COMMON
 1061  */
 1062 
 1063 #define MIDI_CTL_CHANGE         0xB0
 1064 #define MIDI_PGM_CHANGE         0xC0
 1065 #define MIDI_CHN_PRESSURE       0xD0
 1066 #define MIDI_PITCH_BEND         0xE0
 1067 
 1068 #define MIDI_SYSTEM_PREFIX      0xF0
 1069 
 1070 /*
 1071  * Timer event types
 1072  */
 1073 #define TMR_WAIT_REL            1       /* Time relative to the prev time */
 1074 #define TMR_WAIT_ABS            2       /* Absolute time since TMR_START */
 1075 #define TMR_STOP                3
 1076 #define TMR_START               4
 1077 #define TMR_CONTINUE            5
 1078 #define TMR_TEMPO               6
 1079 #define TMR_ECHO                8
 1080 #define TMR_CLOCK               9       /* MIDI clock */
 1081 #define TMR_SPP                 10      /* Song position pointer */
 1082 #define TMR_TIMESIG             11      /* Time signature */
 1083 
 1084 /*
 1085  *      Local event types
 1086  */
 1087 #define LOCL_STARTAUDIO         1
 1088 
 1089 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 
 1090 /*
 1091  *      Some convenience macros to simplify programming of the
 1092  *      /dev/sequencer interface
 1093  *
 1094  *      These macros define the API which should be used when possible.
 1095  */
 1096 
 1097 #ifndef USE_SIMPLE_MACROS
 1098 void seqbuf_dump(void); /* This function must be provided by programs */
 1099 
 1100 /* Sample seqbuf_dump() implementation:
 1101  *
 1102  *      SEQ_DEFINEBUF (2048);   -- Defines a buffer for 2048 bytes
 1103  *
 1104  *      int seqfd;              -- The file descriptor for /dev/sequencer.
 1105  *
 1106  *      void
 1107  *      seqbuf_dump ()
 1108  *      {
 1109  *        if (_seqbufptr)
 1110  *          if (write (seqfd, _seqbuf, _seqbufptr) == -1)
 1111  *            {
 1112  *              perror ("write /dev/sequencer");
 1113  *              exit (-1);
 1114  *            }
 1115  *        _seqbufptr = 0;
 1116  *      }
 1117  */
 1118 
 1119 #define SEQ_DEFINEBUF(len)              \
 1120         u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
 1121 #define SEQ_USE_EXTBUF()                \
 1122         extern u_char _seqbuf[]; \
 1123         extern int _seqbuflen;extern int _seqbufptr
 1124 #define SEQ_DECLAREBUF()                SEQ_USE_EXTBUF()
 1125 #define SEQ_PM_DEFINES                  struct patmgr_info _pm_info
 1126 #define _SEQ_NEEDBUF(len)               \
 1127         if ((_seqbufptr+(len)) > _seqbuflen) \
 1128                 seqbuf_dump()
 1129 #define _SEQ_ADVBUF(len)                _seqbufptr += len
 1130 #define SEQ_DUMPBUF                     seqbuf_dump
 1131 #else
 1132 /*
 1133  * This variation of the sequencer macros is used just to format one event
 1134  * using fixed buffer.
 1135  * 
 1136  * The program using the macro library must define the following macros before
 1137  * using this library.
 1138  *
 1139  * #define _seqbuf               name of the buffer (u_char[]) 
 1140  * #define _SEQ_ADVBUF(len)      If the applic needs to know the exact
 1141  *                               size of the event, this macro can be used.
 1142  *                               Otherwise this must be defined as empty.
 1143  * #define _seqbufptr            Define the name of index variable or 0 if
 1144  *                               not required. 
 1145  */
 1146 #define _SEQ_NEEDBUF(len)       /* empty */
 1147 #endif
 1148 
 1149 #define PM_LOAD_PATCH(dev, bank, pgm)   \
 1150         (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
 1151         _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
 1152         _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
 1153         ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
 1154 #define PM_LOAD_PATCHES(dev, bank, pgm) \
 1155         (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
 1156         _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8,  128), \
 1157         _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
 1158         ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
 1159 
 1160 #define SEQ_VOLUME_MODE(dev, mode)      { \
 1161         _SEQ_NEEDBUF(8);\
 1162         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
 1163         _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
 1164         _seqbuf[_seqbufptr+2] = (dev);\
 1165         _seqbuf[_seqbufptr+3] = (mode);\
 1166         _seqbuf[_seqbufptr+4] = 0;\
 1167         _seqbuf[_seqbufptr+5] = 0;\
 1168         _seqbuf[_seqbufptr+6] = 0;\
 1169         _seqbuf[_seqbufptr+7] = 0;\
 1170         _SEQ_ADVBUF(8);}
 1171 
 1172 /*
 1173  * Midi voice messages
 1174  */
 1175 
 1176 #define _CHN_VOICE(dev, event, chn, note, parm)  { \
 1177         _SEQ_NEEDBUF(8);\
 1178         _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
 1179         _seqbuf[_seqbufptr+1] = (dev);\
 1180         _seqbuf[_seqbufptr+2] = (event);\
 1181         _seqbuf[_seqbufptr+3] = (chn);\
 1182         _seqbuf[_seqbufptr+4] = (note);\
 1183         _seqbuf[_seqbufptr+5] = (parm);\
 1184         _seqbuf[_seqbufptr+6] = (0);\
 1185         _seqbuf[_seqbufptr+7] = 0;\
 1186         _SEQ_ADVBUF(8);}
 1187 
 1188 #define SEQ_START_NOTE(dev, chn, note, vol) \
 1189                 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
 1190 
 1191 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
 1192                 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
 1193 
 1194 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
 1195                 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
 1196 
 1197 /*
 1198  * Midi channel messages
 1199  */
 1200 
 1201 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
 1202         _SEQ_NEEDBUF(8);\
 1203         _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
 1204         _seqbuf[_seqbufptr+1] = (dev);\
 1205         _seqbuf[_seqbufptr+2] = (event);\
 1206         _seqbuf[_seqbufptr+3] = (chn);\
 1207         _seqbuf[_seqbufptr+4] = (p1);\
 1208         _seqbuf[_seqbufptr+5] = (p2);\
 1209         *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
 1210         _SEQ_ADVBUF(8);}
 1211 /*
 1212  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
 1213  * sending any MIDI bytes but it's absolutely not possible. Trying to do
 1214  * so _will_ cause problems with MPU401 intelligent mode).
 1215  *
 1216  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 
 1217  * sent by calling SEQ_SYSEX() several times (there must be no other events
 1218  * between them). First sysex fragment must have 0xf0 in the first byte
 1219  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
 1220  * between these sysex start and end markers cannot be larger than 0x7f. Also
 1221  * lengths of each fragments (except the last one) must be 6.
 1222  *
 1223  * Breaking the above rules may work with some MIDI ports but is likely to
 1224  * cause fatal problems with some other devices (such as MPU401).
 1225  */
 1226 #define SEQ_SYSEX(dev, buf, len) { \
 1227         int i, l=(len); if (l>6)l=6;\
 1228         _SEQ_NEEDBUF(8);\
 1229         _seqbuf[_seqbufptr] = EV_SYSEX;\
 1230         for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
 1231         for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
 1232         _SEQ_ADVBUF(8);}
 1233 
 1234 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
 1235         _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
 1236 
 1237 #define SEQ_SET_PATCH(dev, chn, patch) \
 1238         _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
 1239 
 1240 #define SEQ_CONTROL(dev, chn, controller, value) \
 1241         _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
 1242 
 1243 #define SEQ_BENDER(dev, chn, value) \
 1244         _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
 1245 
 1246 
 1247 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \
 1248         _SEQ_NEEDBUF(8);\
 1249         _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
 1250         _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
 1251         _seqbuf[_seqbufptr+2] = (dev);\
 1252         _seqbuf[_seqbufptr+3] = (voice);\
 1253         _seqbuf[_seqbufptr+4] = (controller);\
 1254         *(short *)&_seqbuf[_seqbufptr+5] = (value);\
 1255         _seqbuf[_seqbufptr+7] = 0;\
 1256         _SEQ_ADVBUF(8);}
 1257 
 1258 /*
 1259  * The following 5 macros are incorrectly implemented and obsolete.
 1260  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
 1261  */
 1262 
 1263 #define SEQ_PITCHBEND(dev, voice, value) \
 1264         SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
 1265 #define SEQ_BENDER_RANGE(dev, voice, value) \
 1266         SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
 1267 #define SEQ_EXPRESSION(dev, voice, value) \
 1268         SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
 1269 #define SEQ_MAIN_VOLUME(dev, voice, value) \
 1270         SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
 1271 #define SEQ_PANNING(dev, voice, pos) \
 1272         SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
 1273 
 1274 /*
 1275  * Timing and syncronization macros
 1276  */
 1277 
 1278 #define _TIMER_EVENT(ev, parm)          { \
 1279         _SEQ_NEEDBUF(8);\
 1280         _seqbuf[_seqbufptr+0] = EV_TIMING; \
 1281         _seqbuf[_seqbufptr+1] = (ev); \
 1282         _seqbuf[_seqbufptr+2] = 0;\
 1283         _seqbuf[_seqbufptr+3] = 0;\
 1284         *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
 1285         _SEQ_ADVBUF(8); \
 1286         }
 1287 
 1288 #define SEQ_START_TIMER()               _TIMER_EVENT(TMR_START, 0)
 1289 #define SEQ_STOP_TIMER()                _TIMER_EVENT(TMR_STOP, 0)
 1290 #define SEQ_CONTINUE_TIMER()            _TIMER_EVENT(TMR_CONTINUE, 0)
 1291 #define SEQ_WAIT_TIME(ticks)            _TIMER_EVENT(TMR_WAIT_ABS, ticks)
 1292 #define SEQ_DELTA_TIME(ticks)           _TIMER_EVENT(TMR_WAIT_REL, ticks)
 1293 #define SEQ_ECHO_BACK(key)              _TIMER_EVENT(TMR_ECHO, key)
 1294 #define SEQ_SET_TEMPO(value)            _TIMER_EVENT(TMR_TEMPO, value)
 1295 #define SEQ_SONGPOS(pos)                _TIMER_EVENT(TMR_SPP, pos)
 1296 #define SEQ_TIME_SIGNATURE(sig)         _TIMER_EVENT(TMR_TIMESIG, sig)
 1297 
 1298 /*
 1299  * Local control events
 1300  */
 1301 
 1302 #define _LOCAL_EVENT(ev, parm)          { \
 1303         _SEQ_NEEDBUF(8);\
 1304         _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
 1305         _seqbuf[_seqbufptr+1] = (ev); \
 1306         _seqbuf[_seqbufptr+2] = 0;\
 1307         _seqbuf[_seqbufptr+3] = 0;\
 1308         *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
 1309         _SEQ_ADVBUF(8); \
 1310         }
 1311 
 1312 #define SEQ_PLAYAUDIO(devmask)          _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
 1313 /*
 1314  * Events for the level 1 interface only 
 1315  */
 1316 
 1317 #define SEQ_MIDIOUT(device, byte)       { \
 1318         _SEQ_NEEDBUF(4);\
 1319         _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
 1320         _seqbuf[_seqbufptr+1] = (byte);\
 1321         _seqbuf[_seqbufptr+2] = (device);\
 1322         _seqbuf[_seqbufptr+3] = 0;\
 1323         _SEQ_ADVBUF(4);}
 1324 
 1325 /*
 1326  * Patch loading.
 1327  */
 1328 #define SEQ_WRPATCH(patchx, len)        { \
 1329         if (_seqbufptr) seqbuf_dump(); \
 1330         if (write(seqfd, (char*)(patchx), len)==-1) \
 1331            perror("Write patch: /dev/sequencer"); \
 1332         }
 1333 
 1334 #define SEQ_WRPATCH2(patchx, len)       \
 1335         ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
 1336 
 1337 #endif
 1338 
 1339 /*
 1340  * Here I have moved all the aliases for ioctl names.
 1341  */
 1342 
 1343 #define SNDCTL_DSP_SAMPLESIZE   SNDCTL_DSP_SETFMT
 1344 #define SOUND_PCM_WRITE_BITS    SNDCTL_DSP_SETFMT
 1345 #define SOUND_PCM_SETFMT        SNDCTL_DSP_SETFMT
 1346 
 1347 #define SOUND_PCM_WRITE_RATE    SNDCTL_DSP_SPEED
 1348 #define SOUND_PCM_POST          SNDCTL_DSP_POST
 1349 #define SOUND_PCM_RESET         SNDCTL_DSP_RESET
 1350 #define SOUND_PCM_SYNC          SNDCTL_DSP_SYNC
 1351 #define SOUND_PCM_SUBDIVIDE     SNDCTL_DSP_SUBDIVIDE
 1352 #define SOUND_PCM_SETFRAGMENT   SNDCTL_DSP_SETFRAGMENT
 1353 #define SOUND_PCM_GETFMTS       SNDCTL_DSP_GETFMTS
 1354 #define SOUND_PCM_GETOSPACE     SNDCTL_DSP_GETOSPACE
 1355 #define SOUND_PCM_GETISPACE     SNDCTL_DSP_GETISPACE
 1356 #define SOUND_PCM_NONBLOCK      SNDCTL_DSP_NONBLOCK
 1357 #define SOUND_PCM_GETCAPS       SNDCTL_DSP_GETCAPS
 1358 #define SOUND_PCM_GETTRIGGER    SNDCTL_DSP_GETTRIGGER
 1359 #define SOUND_PCM_SETTRIGGER    SNDCTL_DSP_SETTRIGGER
 1360 #define SOUND_PCM_SETSYNCRO     SNDCTL_DSP_SETSYNCRO
 1361 #define SOUND_PCM_GETIPTR       SNDCTL_DSP_GETIPTR
 1362 #define SOUND_PCM_GETOPTR       SNDCTL_DSP_GETOPTR
 1363 #define SOUND_PCM_MAPINBUF      SNDCTL_DSP_MAPINBUF
 1364 #define SOUND_PCM_MAPOUTBUF     SNDCTL_DSP_MAPOUTBUF
 1365 
 1366 #endif  /* SOUNDCARD_H */

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