soundcard.h
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- #ifndef SOUNDCARD_H
- #define 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.
- */
- /*
- * 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. */
- #ifdef __KERNEL__
- # include <asm/byteorder.h>
- #else
- # include <endian.h>
- #endif
- /*
- * 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(__KERNEL__)
- # if defined(__BIG_ENDIAN)
- # define AFMT_S16_NE AFMT_S16_BE
- # elif defined(__LITTLE_ENDIAN)
- # define AFMT_S16_NE AFMT_S16_LE
- # else
- # error "could not determine byte order"
- # endif
- #elif 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
- #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.
- */
- #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
- void seqbuf_dump(void); /* This function must be provided by programs */
- extern int OSS_init(int seqfd, int buflen);
- extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
- extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
- extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
- extern void OSS_patch_caching(int dev, int chn, int patch,
- int fd, unsigned char *buf, int buflen);
- extern void OSS_drum_caching(int dev, int chn, int patch,
- int fd, unsigned char *buf, int buflen);
- extern void OSS_write_patch(int fd, unsigned char *buf, int len);
- extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
- #define SEQ_PM_DEFINES int __foo_bar___
- #ifdef OSSLIB
- # define SEQ_USE_EXTBUF()
- extern unsigned char *_seqbuf;
- extern int _seqbuflen;extern int _seqbufptr
- # define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
- # define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
- # define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
- # define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
- # define SEQ_LOAD_GMINSTR(dev, instr)
- OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
- # define SEQ_LOAD_GMDRUM(dev, drum)
- OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
- #else /* !OSSLIB */
- # define SEQ_LOAD_GMINSTR(dev, instr)
- # define SEQ_LOAD_GMDRUM(dev, drum)
- # define SEQ_USE_EXTBUF()
- extern unsigned char _seqbuf[];
- extern int _seqbuflen;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
- #endif /* !OSSLIB */
- #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
- #ifdef OSSLIB
- # define SEQ_PGM_CHANGE(dev, chn, patch)
- {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen);
- _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
- #else
- # define SEQ_PGM_CHANGE(dev, chn, patch)
- _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
- #endif
- #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 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.
- */
- #ifdef OSSLIB
- # define SEQ_WRPATCH(patchx, len)
- OSS_write_patch(seqfd, (char*)(patchx), len)
- # define SEQ_WRPATCH2(patchx, len)
- OSS_write_patch2(seqfd, (char*)(patchx), len)
- #else
- # 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
- #endif
- #endif