Current File : //proc/4189060/root/usr/include/linux/soundcard.h
/*
* Copyright by Hannu Savolainen 1993-1997
*
* 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.
*/
#ifndef SOUNDCARD_H
#define SOUNDCARD_H
/*
* OSS interface version. With versions earlier than 3.6 this value is
* an integer with value less than 361. In versions 3.6 and later
* it's a six digit hexadecimal value. For example value
* of 0x030600 represents OSS version 3.6.0.
* Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
* the currently active driver.
*/
#define SOUND_VERSION 0x030802
#define OPEN_SOUND_SYSTEM
/* In Linux we need to be prepared for cross compiling */
#include <linux/ioctl.h>
/* Endian macros. */
# include <endian.h>
/*
* 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
#define SNDCARD_GUSPNP 25
#define SNDCARD_UART401 26
/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
/***********************************
* IOCTL Commands for /dev/sequencer
*/
#ifndef _SIOWR
#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
#define SIOCPARM_MASK IOCPARM_MASK
#define SIOC_VOID IOC_VOID
#define SIOC_OUT IOC_OUT
#define SIOC_IN IOC_IN
#define SIOC_INOUT IOC_INOUT
#define _SIOC_SIZE _IOC_SIZE
#define _SIOC_DIR _IOC_DIR
#define _SIOC_NONE _IOC_NONE
#define _SIOC_READ _IOC_READ
#define _SIOC_WRITE _IOC_WRITE
#define _SIO _IO
#define _SIOR _IOR
#define _SIOW _IOW
#define _SIOWR _IOWR
#else
/* 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 8191 bytes.
*/
/* #define SIOCTYPE (0xff<<8) */
#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
#define SIOC_VOID 0x00000000 /* no parameters */
#define SIOC_OUT 0x20000000 /* copy out parameters */
#define SIOC_IN 0x40000000 /* copy in parameters */
#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
/* the 0x20000000 is so we can distinguish new ioctl's from old */
#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
/* this should be _SIORW, but stdio got there first */
#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
#define _SIOC_DIR(x) (x & 0xf0000000)
#define _SIOC_NONE SIOC_VOID
#define _SIOC_READ SIOC_OUT
#define _SIOC_WRITE SIOC_IN
# endif /* _IOWR */
#endif /* !_SIOWR */
#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
typedef struct synth_control
{
int devno; /* Synthesizer # */
char data[4000]; /* Device spesific command/data record */
}synth_control;
typedef struct remove_sample
{
int devno; /* Synthesizer # */
int bankno; /* MIDI bank # (0=General MIDI) */
int instrno; /* MIDI instrument number */
} remove_sample;
typedef struct seq_event_rec {
unsigned char arr[8];
} seq_event_rec;
#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
#define SNDCTL_TMR_START _SIO ('T', 2)
#define SNDCTL_TMR_STOP _SIO ('T', 3)
#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
#define SNDCTL_TMR_SOURCE _SIOWR('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 _SIOW ('T', 7, int)
#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
/*
* Some big endian/little endian handling macros
*/
#define _LINUX_PATCHKEY_H_INDIRECT
#include <linux/patchkey.h>
#undef _LINUX_PATCHKEY_H_INDIRECT
# if defined(__BYTE_ORDER)
# if __BYTE_ORDER == __BIG_ENDIAN
# define AFMT_S16_NE AFMT_S16_BE
# elif __BYTE_ORDER == __LITTLE_ENDIAN
# define AFMT_S16_NE AFMT_S16_LE
# else
# error "could not determine byte order"
# endif
# endif
/*
* 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 probably too limited.
*
* (PBD) As Hannu guessed, the GUS structure is too limited for
* the WaveFront, but this is the right place for a constant definition.
*/
struct patch_info {
unsigned short key; /* Use WAVE_PATCH here */
#define WAVE_PATCH _PATCHKEY(0x04)
#define GUS_PATCH WAVE_PATCH
#define WAVEFRONT_PATCH _PATCHKEY(0x06)
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 */
#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
/* (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 */
#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
/* Reserved bits */
#define WAVE_ROM 0x40000000 /* For future use */
#define WAVE_MULAW 0x20000000 /* For future use */
/* 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 an 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 fractions;
int reserved1;
int spare[2];
char data[1]; /* The waveform data starts here */
};
struct sysex_info {
short key; /* Use SYSEX_PATCH or MAUI_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 wave table use struct patch_info. Initialize the key field
* to WAVE_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_BASIC 0x10
#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
#define SAMPLE_TYPE_WAVEFRONT 0x11
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 _SIOWR('m', 0, int)
#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
/********************************************
* IOCTL commands for /dev/dsp and /dev/audio
*/
#define SNDCTL_DSP_RESET _SIO ('P', 0)
#define SNDCTL_DSP_SYNC _SIO ('P', 1)
#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
#define SNDCTL_DSP_POST _SIO ('P', 8)
#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
#define SNDCTL_DSP_SETFMT _SIOWR('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 */
# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
/*
* 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 _SIOR ('P',12, audio_buf_info)
#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
#define SNDCTL_DSP_GETCAPS _SIOR ('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 DSP_CAP_MULTI 0x00004000 /* support multiple open */
# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
#define SNDCTL_DSP_SETTRIGGER _SIOW ('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 _SIOR ('P',17, count_info)
#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
typedef struct buffmem_desc {
unsigned *buffer;
int size;
} buffmem_desc;
#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
# define DSP_BIND_QUERY 0x00000000
# define DSP_BIND_FRONT 0x00000001
# define DSP_BIND_SURR 0x00000002
# define DSP_BIND_CENTER_LFE 0x00000004
# define DSP_BIND_HANDSET 0x00000008
# define DSP_BIND_MIC 0x00000010
# define DSP_BIND_MODEM1 0x00000020
# define DSP_BIND_MODEM2 0x00000040
# define DSP_BIND_I2S 0x00000080
# define DSP_BIND_SPDIF 0x00000100
#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
# define SPDIF_PRO 0x0001
# define SPDIF_N_AUD 0x0002
# define SPDIF_COPY 0x0004
# define SPDIF_PRE 0x0008
# define SPDIF_CC 0x07f0
# define SPDIF_L 0x0800
# define SPDIF_DRS 0x4000
# define SPDIF_V 0x8000
/*
* Application's profile defines the way how playback underrun situations should be handled.
*
* APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
* playback buffer whenever an underrun occurs. This consumes some time
* prevents looping the existing buffer.
* APF_CPUINTENS is intended to be set by CPU intensive applications which
* are likely to run out of time occasionally. In this mode the buffer cleanup is
* disabled which saves CPU time but also let's the previous buffer content to
* be played during the "pause" after the underrun.
*/
#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
#define APF_NORMAL 0 /* Normal applications */
#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
#define SOUND_PCM_READ_FILTER _SIOR ('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 _SIO ('C', 0)
#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
#define SNDCTL_COPR_RCVMSG _SIOR ('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 25
#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) */
#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
#define SOUND_MIXER_PHONEIN 20 /* Phone input */
#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
#define SOUND_MIXER_RADIO 23 /* Radio in */
#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
/* 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 */
#define SOUND_MIXER_NONE 31
/*
* The following unsupported macros are no longer functional.
* Use SOUND_MIXER_PRIVATE# macros in future.
*/
#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
"Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
"line1", "line2", "line3", "dig1", "dig2", "dig3", \
"phin", "phout", "video", "radio", "monitor"}
/* 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 */
#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
/* 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_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
/* Obsolete macros */
#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) _SIOR('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)
/* Obsolete macros */
#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) _SIOWR('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)
/* Obsolete macros */
#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)
typedef struct mixer_info
{
char id[16];
char name[32];
int modify_counter;
int fillers[10];
} mixer_info;
typedef struct _old_mixer_info /* Obsolete */
{
char id[16];
char name[32];
} _old_mixer_info;
#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
/*
* A mechanism for accessing "proprietary" mixer features. This method
* permits passing 128 bytes of arbitrary data between a mixer application
* and the mixer driver. Interpretation of the record is defined by
* the particular mixer driver.
*/
typedef unsigned char mixer_record[128];
#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
/*
* Two ioctls for special souncard function
*/
#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
/*
* The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
* These features can be used when accessing device specific features.
*/
#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
/*
* SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
* for querying current mixer settings from the driver and for loading
* default volume settings _prior_ activating the mixer (loading
* doesn't affect current state of the mixer hardware). These calls
* are for internal use only.
*/
typedef struct mixer_vol_table {
int num; /* Index to volume table */
char name[32];
int levels[32];
} mixer_vol_table;
#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
/*
* An ioctl for identifying the driver version. It will return value
* of the SOUND_VERSION macro used when compiling the driver.
* This call was introduced in OSS version 3.6 and it will not work
* with earlier versions (returns EINVAL).
*/
#define OSS_GETVERSION _SIOR ('M', 118, int)
/*
* 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
/*
* Some convenience macros to simplify programming of the
* /dev/sequencer interface
*
* This is a legacy interface for applications written against
* the OSSlib-3.8 style interface. It is no longer possible
* to actually link against OSSlib with this header, but we
* still provide these macros for programs using them.
*
* If you want to use OSSlib, it is recommended that you get
* the GPL version of OSS-4.x and build against that version
* of the header.
*
* We redefine the extern keyword so that make headers_check
* does not complain about SEQ_USE_EXTBUF.
*/
#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
void seqbuf_dump(void); /* This function must be provided by programs */
#define SEQ_PM_DEFINES int __foo_bar___
#define SEQ_LOAD_GMINSTR(dev, instr)
#define SEQ_LOAD_GMDRUM(dev, drum)
#define _SEQ_EXTERN extern
#define SEQ_USE_EXTBUF() \
_SEQ_EXTERN unsigned char _seqbuf[]; \
_SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
#ifndef USE_SIMPLE_MACROS
/* 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_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 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 ii, ll=(len); \
unsigned char *bufp=buf;\
if (ll>6)ll=6;\
_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = EV_SYSEX;\
_seqbuf[_seqbufptr+1] = (dev);\
for(ii=0;ii<ll;ii++)\
_seqbuf[_seqbufptr+ii+2] = bufp[ii];\
for(ii=ll;ii<6;ii++)\
_seqbuf[_seqbufptr+ii+2] = 0xff;\
_SEQ_ADVBUF(8);}
#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
#define SEQ_SET_PATCH SEQ_PGM_CHANGE
#define SEQ_PGM_CHANGE(dev, chn, patch) \
_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
#define SEQ_CONTROL(dev, chn, controller, value) \
_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
#define SEQ_BENDER(dev, chn, value) \
_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
_seqbuf[_seqbufptr+4] = (controller);\
_seqbuf[_seqbufptr+5] = ((value)&0xff);\
_seqbuf[_seqbufptr+6] = ((value>>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 synchronization 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) SEQ_DUMPBUF();\
if (write(seqfd, (char*)(patchx), len)==-1) \
perror("Write patch: /dev/sequencer");}
#define SEQ_WRPATCH2(patchx, len) \
(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
#endif /* SOUNDCARD_H */
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