The OSS API

#ifndef SOUNDCARD_H
#define SOUNDCARD_H

/*
 * Copyright by Hannu Savolainen 1993-1996
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer. 2.
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */


#define SOUND_VERSION   350
#define OPEN_SOUND_SYSTEM

/*
 *      Supported card ID numbers (Should be somewhere else?)
 */

#define SNDCARD_ADLIB           1
#define SNDCARD_SB              2
#define SNDCARD_PAS             3
#define SNDCARD_GUS             4
#define SNDCARD_MPU401          5
#define SNDCARD_SB16            6
#define SNDCARD_SB16MIDI        7
#define SNDCARD_UART6850        8
#define SNDCARD_GUS16           9
#define SNDCARD_MSS             10
#define SNDCARD_PSS             11
#define SNDCARD_SSCAPE          12
#define SNDCARD_PSS_MPU         13
#define SNDCARD_PSS_MSS         14
#define SNDCARD_SSCAPE_MSS      15
#define SNDCARD_TRXPRO          16
#define SNDCARD_TRXPRO_SB       17
#define SNDCARD_TRXPRO_MPU      18
#define SNDCARD_MAD16           19
#define SNDCARD_MAD16_MPU       20
#define SNDCARD_CS4232          21
#define SNDCARD_CS4232_MPU      22
#define SNDCARD_MAUI            23
#define SNDCARD_PSEUDO_MSS      24

/***********************************
* IOCTL Commands for /dev/sequencer
*/

#ifndef _IOWR
/* @(#)ioctlp.h */

/* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
* word. The high 2 bits of the upper word are used
* to encode the in/out status of the parameter; for now
* we restrict parameters to at most 128 bytes.
*/
/* #define IOCTYPE (0xff<<8) */
#define IOCPARM_MASK      0x7f /* parameters must be < 128 bytes */
#define IOC_VOID          0x00000000 /* no parameters */
#define IOC_OUT           0x20000000 /* copy out parameters */
#define IOC_IN            0x40000000 /* copy in parameters */
#define IOC_INOUT         (IOC_IN|IOC_OUT)
/* the 0x20000000 is so we can distinguish new ioctl's from old */
#define _IO(x,y)          ((int)(IOC_VOID|(x<<8)|y))
#define _IOR(x,y,t)       ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
#define _IOW(x,y,t)       ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
/* this should be _IORW, but stdio got there first */
#define _IOWR(x,y,t)      ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
#endif /* !_IOWR */

#define SNDCTL_SEQ_RESET         _IO ('Q', 0)
#define SNDCTL_SEQ_SYNC          _IO ('Q', 1)
#define SNDCTL_SYNTH_INFO        _IOWR('Q', 2, struct synth_info)
#define SNDCTL_SEQ_CTRLRATE      _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
#define SNDCTL_SEQ_GETOUTCOUNT   _IOR ('Q', 4, int)
#define SNDCTL_SEQ_GETINCOUNT    _IOR ('Q', 5, int)
#define SNDCTL_SEQ_PERCMODE      _IOW ('Q', 6, int)
#define SNDCTL_FM_LOAD_INSTR     _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
#define SNDCTL_SEQ_TESTMIDI      _IOW ('Q', 8, int)
#define SNDCTL_SEQ_RESETSAMPLES  _IOW ('Q', 9, int)
#define SNDCTL_SEQ_NRSYNTHS      _IOR ('Q',10, int)
#define SNDCTL_SEQ_NRMIDIS       _IOR ('Q',11, int)
#define SNDCTL_MIDI_INFO         _IOWR('Q',12, struct midi_info)
#define SNDCTL_SEQ_THRESHOLD     _IOW ('Q',13, int)
#define SNDCTL_SEQ_TRESHOLD      SNDCTL_SEQ_THRESHOLD /* there was once a typo */
#define SNDCTL_SYNTH_MEMAVL      _IOWR('Q',14, int) /* in=dev#, out=memsize */
#define SNDCTL_FM_4OP_ENABLE     _IOW ('Q',15, int) /* in=dev# */
#define SNDCTL_PMGR_ACCESS       _IOWR('Q',16, struct patmgr_info)
#define SNDCTL_SEQ_PANIC         _IO ('Q',17)
#define SNDCTL_SEQ_OUTOFBAND     _IOW ('Q',18, struct seq_event_rec)

struct seq_event_rec {
    unsigned char arr[8];
};

#define SNDCTL_TMR_TIMEBASE      _IOWR('T', 1, int)
#define SNDCTL_TMR_START         _IO ('T', 2)
#define SNDCTL_TMR_STOP          _IO ('T', 3)
#define SNDCTL_TMR_CONTINUE      _IO ('T', 4)
#define SNDCTL_TMR_TEMPO         _IOWR('T', 5, int)
#define SNDCTL_TMR_SOURCE        _IOWR('T', 6, int)
# define TMR_INTERNAL 0x00000001
# define TMR_EXTERNAL 0x00000002
# define TMR_MODE_MIDI 0x00000010
# define TMR_MODE_FSK 0x00000020
# define TMR_MODE_CLS 0x00000040
# define TMR_MODE_SMPTE 0x00000080
#define SNDCTL_TMR_METRONOME     _IOW ('T', 7, int)
#define SNDCTL_TMR_SELECT        _IOW ('T', 8, int)

/*
* Sample loading mechanism for internal synthesizers (/dev/sequencer)
* The following patch_info structure has been designed to support
* Gravis UltraSound. It tries to be universal format for uploading
* sample based patches but is propably too limited.
*/

struct patch_info {
    unsigned short key; /* Use GUS_PATCH here */
#define GUS_PATCH _PATCHKEY(0x04)
#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02)

    short device_no; /* Synthesizer number */
    short instr_no; /* Midi pgm# */

    unsigned int mode;
/*
* The least significant byte has the same format than the GUS .PAT
* files
*/
#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
/* (use the env_rate/env_offs fields). */
/* Linux specific bits */
#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
/* Other bits must be zeroed */

    int len; /* Size of the wave data in bytes */
    int loop_start, loop_end; /* Byte offsets from the beginning */

/*
* The base_freq and base_note fields are used when computing the
* playback speed for a note. The base_note defines the tone frequency
* which is heard if the sample is played using the base_freq as the
* playback speed.
*
* The low_note and high_note fields define the minimum and maximum note
* frequencies for which this sample is valid. It is possible to define
* more than one samples for a instrument number at the same time. The
* low_note and high_note fields are used to select the most suitable one.
*
* The fields base_note, high_note and low_note should contain
* the note frequency multiplied by 1000. For example value for the
* middle A is 440*1000.
*/

    unsigned int base_freq;
    unsigned int base_note;
    unsigned int high_note;
    unsigned int low_note;
    int panning; /* -128=left, 127=right */
    int detuning;

/* New fields introduced in version 1.99.5 */

/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
    unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
    unsigned char env_offset[ 6 ]; /* 255 == 100% */

/*
* The tremolo, vibrato and scale info are not supported yet.
* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
* WAVE_SCALE
*/

    unsigned char tremolo_sweep;
    unsigned char tremolo_rate;
    unsigned char tremolo_depth;

    unsigned char vibrato_sweep;
    unsigned char vibrato_rate;
    unsigned char vibrato_depth;

    int scale_frequency;
    unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */

    int volume;
    int spare[4];
    char data[1]; /* The waveform data starts here */
};

struct sysex_info {
    short key; /* Use SYSEX_PATCH here */
#define SYSEX_PATCH _PATCHKEY(0x05)
#define MAUI_PATCH _PATCHKEY(0x06)
    short device_no; /* Synthesizer number */
    int len; /* Size of the sysex data in bytes */
    unsigned char data[1]; /* Sysex data starts here */
};

/*
* /dev/sequencer input events.
*
* The data written to the /dev/sequencer is a stream of events. Events
* are records of 4 or 8 bytes. The first byte defines the size.
* Any number of events can be written with a write call. There
* is a set of macros for sending these events. Use these macros if you
* want to maximize portability of your program.
*
* Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
* (All input events are currently 4 bytes long. Be prepared to support
* 8 byte events also. If you receive any event having first byte >= 128,
* it's a 8 byte event.
*
* The events are documented at the end of this file.
*
* Normal events (4 bytes)
* There is also a 8 byte version of most of the 4 byte events. The
* 8 byte one is recommended.
*/
#define SEQ_NOTEOFF      0
#define SEQ_FMNOTEOFF    SEQ_NOTEOFF /* Just old name */
#define SEQ_NOTEON       1
#define SEQ_FMNOTEON     SEQ_NOTEON
#define SEQ_WAIT         TMR_WAIT_ABS
#define SEQ_PGMCHANGE    3
#define SEQ_FMPGMCHANGE  SEQ_PGMCHANGE
#define SEQ_SYNCTIMER    TMR_START
#define SEQ_MIDIPUTC     5
#define SEQ_DRUMON       6 /*** OBSOLETE ***/
#define SEQ_DRUMOFF      7 /*** OBSOLETE ***/
#define SEQ_ECHO         TMR_ECHO /* For synching programs with output */
#define SEQ_AFTERTOUCH   9
#define SEQ_CONTROLLER   10

/*******************************************
* Midi controller numbers
*******************************************
* Controllers 0 to 31 (0x00 to 0x1f) and
* 32 to 63 (0x20 to 0x3f) are continuous
* controllers.
* In the MIDI 1.0 these controllers are sent using
* two messages. Controller numbers 0 to 31 are used
* to send the MSB and the controller numbers 32 to 63
* are for the LSB. Note that just 7 bits are used in MIDI bytes.
*/

#define CTL_BANK_SELECT      0x00
#define CTL_MODWHEEL         0x01
#define CTL_BREATH           0x02
/* undefined 0x03 */
#define CTL_FOOT             0x04
#define CTL_PORTAMENTO_TIME  0x05
#define CTL_DATA_ENTRY       0x06
#define CTL_MAIN_VOLUME      0x07
#define CTL_BALANCE          0x08
/* undefined 0x09 */
#define CTL_PAN              0x0a
#define CTL_EXPRESSION       0x0b
/* undefined 0x0c */
/* undefined 0x0d */
/* undefined 0x0e */
/* undefined 0x0f */
#define CTL_GENERAL_PURPOSE1 0x10
#define CTL_GENERAL_PURPOSE2 0x11
#define CTL_GENERAL_PURPOSE3 0x12
#define CTL_GENERAL_PURPOSE4 0x13
/* undefined 0x14 - 0x1f */

/* undefined 0x20 */
/* The controller numbers 0x21 to 0x3f are reserved for the */
/* least significant bytes of the controllers 0x00 to 0x1f. */
/* These controllers are not recognised by the driver. */

/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
/* 0=OFF and 127=ON (intermediate values are possible) */
#define CTL_DAMPER_PEDAL     0x40
#define CTL_SUSTAIN          0x40 /* Alias */
#define CTL_HOLD             0x40 /* Alias */
#define CTL_PORTAMENTO       0x41
#define CTL_SOSTENUTO        0x42
#define CTL_SOFT_PEDAL       0x43
/* undefined 0x44 */
#define CTL_HOLD2 0x45
/* undefined 0x46 - 0x4f */

#define CTL_GENERAL_PURPOSE5 0x50
#define CTL_GENERAL_PURPOSE6 0x51
#define CTL_GENERAL_PURPOSE7 0x52
#define CTL_GENERAL_PURPOSE8 0x53
/* undefined 0x54 - 0x5a */
#define CTL_EXT_EFF_DEPTH    0x5b
#define CTL_TREMOLO_DEPTH    0x5c
#define CTL_CHORUS_DEPTH     0x5d
#define CTL_DETUNE_DEPTH     0x5e
#define CTL_CELESTE_DEPTH    0x5e /* Alias for the above one */
#define CTL_PHASER_DEPTH     0x5f
#define CTL_DATA_INCREMENT   0x60
#define CTL_DATA_DECREMENT   0x61
#define CTL_NONREG_PARM_NUM_LSB 0x62
#define CTL_NONREG_PARM_NUM_MSB 0x63
#define CTL_REGIST_PARM_NUM_LSB 0x64
#define CTL_REGIST_PARM_NUM_MSB 0x65
/* undefined 0x66 - 0x78 */
/* reserved 0x79 - 0x7f */

/* Pseudo controllers (not midi compatible) */
#define CTRL_PITCH_BENDER       255
#define CTRL_PITCH_BENDER_RANGE 254
#define CTRL_EXPRESSION         253 /* Obsolete */
#define CTRL_MAIN_VOLUME        252 /* Obsolete */
#define SEQ_BALANCE             11
#define SEQ_VOLMODE             12

/*
* Volume mode decides how volumes are used
*/

#define VOL_METHOD_ADAGIO       1
#define VOL_METHOD_LINEAR       2

/*
* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
* input events.
*/

/*
* Event codes 0xf0 to 0xfc are reserved for future extensions.
*/

#define SEQ_FULLSIZE            0xfd /* Long events */
/*
* SEQ_FULLSIZE events are used for loading patches/samples to the
* synthesizer devices. These events are passed directly to the driver
* of the associated synthesizer device. There is no limit to the size
* of the extended events. These events are not queued but executed
* immediately when the write() is called (execution can take several
* seconds of time).
*
* When a SEQ_FULLSIZE message is written to the device, it must
* be written using exactly one write() call. Other events cannot
* be mixed to the same write.
*
* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
* /dev/sequencer. Don't write other data together with the instrument structure
* Set the key field of the structure to FM_PATCH. The device field is used to
* route the patch to the corresponding device.
*
* For Gravis UltraSound use struct patch_info. Initialize the key field
* to GUS_PATCH.
*/
#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */

/*
* Record for FM patches
*/

typedef unsigned char sbi_instr_data[32];

struct sbi_instrument {
    unsigned short key; /* FM_PATCH or OPL3_PATCH */
#define FM_PATCH _PATCHKEY(0x01)
#define OPL3_PATCH _PATCHKEY(0x03)
    short device; /* Synth# (0-4) */
    int channel; /* Program# to be initialized */
    sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
};

struct synth_info { /* Read only */
    char name[30];
    int device; /* 0-N. INITIALIZE BEFORE CALLING */
    int synth_type;
#define SYNTH_TYPE_FM 0
#define SYNTH_TYPE_SAMPLE 1
#define SYNTH_TYPE_MIDI 2 /* Midi interface */

    int synth_subtype;
#define FM_TYPE_ADLIB 0x00
#define FM_TYPE_OPL3 0x01
#define MIDI_TYPE_MPU401 0x401

#define SAMPLE_TYPE_GUS 0x10

    int perc_mode; /* No longer supported */
    int nr_voices;
    int nr_drums; /* Obsolete field */
    int instr_bank_size;
    unsigned int capabilities;
#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
    int dummies[19]; /* Reserve space */
};

struct sound_timer_info {
    char name[32];
    int caps;
};

#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */

struct midi_info {
    char name[30];
    int device; /* 0-N. INITIALIZE BEFORE CALLING */
    unsigned int capabilities; /* To be defined later */
    int dev_type;
    int dummies[18]; /* Reserve space */
};

/********************************************
* ioctl commands for the /dev/midi##
*/
typedef struct {
    unsigned char cmd;
    char nr_args, nr_returns;
    unsigned char data[30];
} mpu_command_rec;

#define SNDCTL_MIDI_PRETIME        _IOWR('m', 0, int)
#define SNDCTL_MIDI_MPUMODE        _IOWR('m', 1, int)
#define SNDCTL_MIDI_MPUCMD         _IOWR('m', 2, mpu_command_rec)

/********************************************
* IOCTL commands for /dev/dsp and /dev/audio
*/

#define SNDCTL_DSP_RESET _IO ('P', 0)
#define SNDCTL_DSP_SYNC _IO ('P', 1)
#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
#define SNDCTL_DSP_POST _IO ('P', 8)
#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int)

/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */
#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/
# define AFMT_QUERY 0x00000000 /* Return current fmt */
# define AFMT_MU_LAW 0x00000001
# define AFMT_A_LAW 0x00000002
# define AFMT_IMA_ADPCM 0x00000004
# define AFMT_U8 0x00000008
# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
# define AFMT_S8 0x00000040
# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */

/*
* Buffer status queries.
*/
typedef struct audio_buf_info {
    int fragments;     /* # of available fragments (partially usend ones not counted) */
    int fragstotal;    /* Total # of fragments allocated */
    int fragsize;      /* Size of a fragment in bytes */

    int bytes;         /* Available space in bytes (includes partially used fragments) */
/* Note! 'bytes' could be more than fragments*fragsize */
} audio_buf_info;

#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info)
#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info)
#define SNDCTL_DSP_NONBLOCK _IO ('P',14)
#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
/* internal buffers which may */
/* cause some delays and */
/* decrease precision of timing */
# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
/* Sometimes it's a DSP */
/* but usually not */
# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */

#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
# define PCM_ENABLE_INPUT 0x00000001
# define PCM_ENABLE_OUTPUT 0x00000002

typedef struct count_info {
    int bytes;   /* Total # of bytes processed */
    int blocks;  /* # of fragment transitions since last time */
    int ptr;     /* Current DMA pointer value */
} count_info;

#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info)
#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info)

typedef struct buffmem_desc {
    char *buffer;
    int size;
} buffmem_desc;

#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc)
#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc)
#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)

#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)

/* Some alias names */
#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
#define SOUND_PCM_POST SNDCTL_DSP_POST
#define SOUND_PCM_RESET SNDCTL_DSP_RESET
#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF

/*
* ioctl calls to be used in communication with coprocessors and
* DSP chips.
*/

typedef struct copr_buffer {
    int command; /* Set to 0 if not used */
    int flags;
#define CPF_NONE 0x0000
#define CPF_FIRST 0x0001 /* First block */
#define CPF_LAST 0x0002 /* Last block */
int len;
    int offs; /* If required by the device (0 if not used) */

    unsigned char data[4000]; /* NOTE! 4000 is not 4k */
} copr_buffer;

typedef struct copr_debug_buf {
    int command; /* Used internally. Set to 0 */
    int parm1;
    int parm2;
    int flags;
    int len; /* Length of data in bytes */
} copr_debug_buf;

typedef struct copr_msg {
    int len;
    unsigned char data[4000];
} copr_msg;

#define SNDCTL_COPR_RESET _IO ('C', 0)
#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer)
#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf)
#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf)
#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf)
#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf)
#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf)
#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf)
#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg)
#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg)

/*********************************************
* IOCTL commands for /dev/mixer
*/

/*
* Mixer devices
*
* There can be up to 20 different analog mixer channels. The
* SOUND_MIXER_NRDEVICES gives the currently supported maximum.
* The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
* the devices supported by the particular mixer.
*/

#define SOUND_MIXER_NRDEVICES 17
#define SOUND_MIXER_VOLUME 0
#define SOUND_MIXER_BASS 1
#define SOUND_MIXER_TREBLE 2
#define SOUND_MIXER_SYNTH 3
#define SOUND_MIXER_PCM 4
#define SOUND_MIXER_SPEAKER 5
#define SOUND_MIXER_LINE 6
#define SOUND_MIXER_MIC 7
#define SOUND_MIXER_CD 8
#define SOUND_MIXER_IMIX 9 /* Recording monitor */
#define SOUND_MIXER_ALTPCM 10
#define SOUND_MIXER_RECLEV 11 /* Recording level */
#define SOUND_MIXER_IGAIN 12 /* Input gain */
#define SOUND_MIXER_OGAIN 13 /* Output gain */
/*
* The AD1848 codec and compatibles have three line level inputs
* (line, aux1 and aux2). Since each card manufacturer have assigned
* different meanings to these inputs, it's inpractical to assign
* specific meanings (line, cd, synth etc.) to them.
*/
#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */

/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
#define SOUND_ONOFF_MIN 28
#define SOUND_ONOFF_MAX 30

/* Note! Number 31 cannot be used since the sign bit is reserved */


/*
* The following unsupported macros will be removed from the API in near
* future.
*/
#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
#define SOUND_MIXER_MUTE 28 /* 0 or 1 */
#define SOUND_MIXER_LOUD 30 /* 0 or 1 */



#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
"Line1", "Line2", "Line3"}

#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
"line1", "line2", "line3"}

/* Device bitmask identifiers */

#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
#define SOUND_MIXER_CAPS 0xfc
# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */

/* Device mask bits */

#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)

#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)

#define MIXER_READ(dev) _IOR('M', dev, int)
#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)

#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)

#define MIXER_WRITE(dev) _IOWR('M', dev, int)
#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)

#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)

/*
* Level 2 event types for /dev/sequencer
*/

/*
* The 4 most significant bits of byte 0 specify the class of
* the event:
*
* 0x8X = system level events,
* 0x9X = device/port specific events, event[1] = device/port,
* The last 4 bits give the subtype:
* 0x02 = Channel event (event[3] = chn).
* 0x01 = note event (event[4] = note).
* (0x01 is not used alone but always with bit 0x02).
* event[2] = MIDI message code (0x80=note off etc.)
*
*/

#define EV_SEQ_LOCAL 0x80
#define EV_TIMING 0x81
#define EV_CHN_COMMON 0x92
#define EV_CHN_VOICE 0x93
#define EV_SYSEX 0x94
/*
* Event types 200 to 220 are reserved for application use.
* These numbers will not be used by the driver.
*/

/*
* Events for event type EV_CHN_VOICE
*/

#define MIDI_NOTEOFF 0x80
#define MIDI_NOTEON 0x90
#define MIDI_KEY_PRESSURE 0xA0

/*
* Events for event type EV_CHN_COMMON
*/

#define MIDI_CTL_CHANGE 0xB0
#define MIDI_PGM_CHANGE 0xC0
#define MIDI_CHN_PRESSURE 0xD0
#define MIDI_PITCH_BEND 0xE0

#define MIDI_SYSTEM_PREFIX 0xF0

/*
* Timer event types
*/
#define TMR_WAIT_REL 1 /* Time relative to the prev time */
#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
#define TMR_STOP 3
#define TMR_START 4
#define TMR_CONTINUE 5
#define TMR_TEMPO 6
#define TMR_ECHO 8
#define TMR_CLOCK 9 /* MIDI clock */
#define TMR_SPP 10 /* Song position pointer */
#define TMR_TIMESIG 11 /* Time signature */

/*
* Local event types
*/
#define LOCL_STARTAUDIO 1

#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
/*
* Some convenience macros to simplify programming of the
* /dev/sequencer interface
*
* These macros define the API which should be used when possible.
*/

#ifndef USE_SIMPLE_MACROS
void seqbuf_dump(void); /* This function must be provided by programs */

/* Sample seqbuf_dump() implementation:
*
* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
*
* int seqfd; -- The file descriptor for /dev/sequencer.
*
* void
* seqbuf_dump ()
* {
* if (_seqbufptr)
* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
* {
* perror ("write /dev/sequencer");
* exit (-1);
* }
* _seqbufptr = 0;
* }
*/

#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
#define SEQ_USE_EXTBUF() extern unsigned char _seqbuf[]; extern int _seqbuflen;extern int _seqbufptr
#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
#define SEQ_PM_DEFINES struct patmgr_info _pm_info
#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
#define _SEQ_ADVBUF(len) _seqbufptr += len
#define SEQ_DUMPBUF seqbuf_dump
#else
/*
* This variation of the sequencer macros is used just to format one event
* using fixed buffer.
*
* The program using the macro library must define the following macros before
* using this library.
*
* #define _seqbuf name of the buffer (unsigned char[])
* #define _SEQ_ADVBUF(len) If the applic needs to know the exact
* size of the event, this macro can be used.
* Otherwise this must be defined as empty.
* #define _seqbufptr Define the name of index variable or 0 if
* not required.
*/
#define _SEQ_NEEDBUF(len) /* empty */
#endif

#define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
_pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
_pm_info.parm1 = bank, _pm_info.parm2 = 1, \
ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
#define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
_pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \
_pm_info.parm1 = bank, _pm_info.parm2 = 128, \
ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))

#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (mode);\
_seqbuf[_seqbufptr+4] = 0;\
_seqbuf[_seqbufptr+5] = 0;\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}

/*
* Midi voice messages
*/

#define _CHN_VOICE(dev, event, chn, note, parm) \
{_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
_seqbuf[_seqbufptr+1] = (dev);\
_seqbuf[_seqbufptr+2] = (event);\
_seqbuf[_seqbufptr+3] = (chn);\
_seqbuf[_seqbufptr+4] = (note);\
_seqbuf[_seqbufptr+5] = (parm);\
_seqbuf[_seqbufptr+6] = (0);\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}

#define SEQ_START_NOTE(dev, chn, note, vol) \
_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)

#define SEQ_STOP_NOTE(dev, chn, note, vol) \
_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)

#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)

/*
* Midi channel messages
*/

#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
{_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
_seqbuf[_seqbufptr+1] = (dev);\
_seqbuf[_seqbufptr+2] = (event);\
_seqbuf[_seqbufptr+3] = (chn);\
_seqbuf[_seqbufptr+4] = (p1);\
_seqbuf[_seqbufptr+5] = (p2);\
*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
_SEQ_ADVBUF(8);}
/*
* SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
* sending any MIDI bytes but it's absolutely not possible. Trying to do
* so _will_ cause problems with MPU401 intelligent mode).
*
* Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
* sent by calling SEQ_SYSEX() several times (there must be no other events
* between them). First sysex fragment must have 0xf0 in the first byte
* and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
* between these sysex start and end markers cannot be larger than 0x7f. Also
* lengths of each fragments (except the last one) must be 6.
*
* Breaking the above rules may work with some MIDI ports but is likely to
* cause fatal problems with some other devices (such as MPU401).
*/
#define SEQ_SYSEX(dev, buf, len) \
{int i, l=(len); if (l>6)l=6;\
_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = EV_SYSEX;\
for(i=0;i>8)&0xff);\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
/*
* The following 5 macros are incorrectly implemented and obsolete.
* Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
*/
#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)

/*
* Timing and syncronization macros
*/

#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr+0] = EV_TIMING; \
_seqbuf[_seqbufptr+1] = (ev); \
_seqbuf[_seqbufptr+2] = 0;\
_seqbuf[_seqbufptr+3] = 0;\
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
_SEQ_ADVBUF(8);}

#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)

/*
* Local control events
*/

#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
_seqbuf[_seqbufptr+1] = (ev); \
_seqbuf[_seqbufptr+2] = 0;\
_seqbuf[_seqbufptr+3] = 0;\
*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
_SEQ_ADVBUF(8);}

#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
/*
* Events for the level 1 interface only
*/

#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
_seqbuf[_seqbufptr+1] = (byte);\
_seqbuf[_seqbufptr+2] = (device);\
_seqbuf[_seqbufptr+3] = 0;\
_SEQ_ADVBUF(4);}

/*
* Patch loading.
*/
#define SEQ_WRPATCH(patchx, len) {if (_seqbufptr) seqbuf_dump();\
if (write(seqfd, (char*)(patchx), len)==-1) \
perror("Write patch: /dev/sequencer");}
#define SEQ_WRPATCH2(patchx, len) (seqbuf_dump(), write(seqfd, (char*)(patchx), len))

#endif
#endif

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