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Add diclaimer of copyright to _osname() manual page.
[unix-history] / sys / i386 / isa / sound / soundcard.h
#ifndef _SOUNDCARD_H_
#define _SOUNDCARD_H_ 1
/*
* Copyright by Hannu Savolainen 1993
*
* 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.
*
*
*/
/*
* If you make modifications to this file, please contact me before
* distributing the modified version. There is already enough
* diversity in the world.
*
* Regards,
* Hannu Savolainen
* hsavolai@cs.helsinki.fi
*/
#define SOUND_VERSION 200
#include <sys/ioctl.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
/***********************************
* IOCTL Commands for /dev/sequencer
*/
#ifndef _IOWR
/* @(#)ioctlp.h */
/* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
* word. The high 2 bits of the upper word are used
* to encode the in/out status of the parameter; for now
* we restrict parameters to at most 128 bytes.
*/
/* #define IOCTYPE (0xff<<8) */
#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000 /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
/* the 0x20000000 is so we can distinguish new ioctl's from old */
#define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y))
#define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
#define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
/* this should be _IORW, but stdio got there first */
#define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
#endif /* !_IOWR */
#define SNDCTL_SEQ_RESET _IO ('Q', 0)
#define SNDCTL_SEQ_SYNC _IO ('Q', 1)
#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
#define SNDCTL_SEQ_TRESHOLD _IOW ('Q',13, int)
#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
/*
* Sample loading mechanism for internal synthesizers (/dev/sequencer)
* The following patch_info structure has been designed to support
* Gravis UltraSound. It tries to be universal format for uploading
* sample based patches but is propably too limited.
*/
struct patch_info {
short key; /* Use GUS_PATCH here */
#define GUS_PATCH 0x04fd
#define OBSOLETE_GUS_PATCH 0x02fd
short device_no; /* Synthesizer number */
short instr_no; /* Midi pgm# */
unsigned long mode;
/*
* The least significant byte has the same format than the GUS .PAT
* files
*/
#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
/* (use the env_rate/env_offs fields). */
/* Linux specific bits */
#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
/* Other bits must be zeroed */
long len; /* Size of the wave data in bytes */
long loop_start, loop_end; /* Byte offsets from the beginning */
/*
* The base_freq and base_note fields are used when computing the
* playback speed for a note. The base_note defines the tone frequency
* which is heard if the sample is played using the base_freq as the
* playback speed.
*
* The low_note and high_note fields define the minimum and maximum note
* frequencies for which this sample is valid. It is possible to define
* more than one samples for a instrument number at the same time. The
* low_note and high_note fields are used to select the most suitable one.
*
* The fields base_note, high_note and low_note should contain
* the note frequency multiplied by 1000. For example value for the
* middle A is 440*1000.
*/
unsigned int base_freq;
unsigned long base_note;
unsigned long high_note;
unsigned long low_note;
int panning; /* -128=left, 127=right */
int detuning;
/* New fields introduced in version 1.99.5 */
/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
unsigned char env_offset[ 6 ]; /* 255 == 100% */
/*
* The tremolo, vibrato and scale info are not supported yet.
* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
* WAVE_SCALE
*/
unsigned char tremolo_sweep;
unsigned char tremolo_rate;
unsigned char tremolo_depth;
unsigned char vibrato_sweep;
unsigned char vibrato_rate;
unsigned char vibrato_depth;
int scale_frequency;
unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
int volume;
int spare[4];
char data[0]; /* The waveform data starts here */
};
/*
* Patch management interface (/dev/sequencer, /dev/patmgr#)
* Don't use these calls if you want to maintain compatibility with
* the future versions of the driver.
*/
#define PS_NO_PATCHES 0 /* No patch support on device */
#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
#define PS_MGR_OK 2 /* Patch manager supported */
#define PS_MANAGED 3 /* Patch manager running */
#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
/*
* The patmgr_info is a fixed size structure which is used for two
* different purposes. The intended use is for communication between
* the application using /dev/sequencer and the patch manager daemon
* associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
*
* This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
* a patch manager daemon to read and write device parameters. This
* ioctl available through /dev/sequencer also. Avoid using it since it's
* extremely hardware dependent. In addition access trough /dev/sequencer
* may confuse the patch manager daemon.
*/
struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
unsigned long key; /* Don't worry. Reserved for communication
between the patch manager and the driver. */
#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
#define PM_K_COMMAND 2 /* Request from a application */
#define PM_K_RESPONSE 3 /* From patmgr to application */
#define PM_ERROR 4 /* Error returned by the patmgr */
int device;
int command;
/*
* Commands 0x000 to 0xfff reserved for patch manager programs
*/
#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
#define PMTYPE_FM2 1 /* 2 OP fm */
#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
#define PM_READ_PATCH 7 /* Read patch (wave) data */
#define PM_WRITE_PATCH 8 /* Write patch (wave) data */
/*
* Commands 0x1000 to 0xffff are for communication between the patch manager
* and the client
*/
#define _PM_LOAD_PATCH 0x100
/*
* Commands above 0xffff reserved for device specific use
*/
long parm1;
long parm2;
long parm3;
union {
unsigned char data8[4000];
unsigned short data16[2000];
unsigned long data32[1000];
struct patch_info patch;
} data;
};
/*
* When a patch manager daemon is present, it will be informed by the
* driver when something important happens. For example when the
* /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
* returned. The command field contains the event type:
*/
#define PM_E_OPENED 1 /* /dev/sequencer opened */
#define PM_E_CLOSED 2 /* /dev/sequencer closed */
#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
/*
* /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 >= 0xf0,
* 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 2
#define SEQ_PGMCHANGE 3
#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
#define SEQ_SYNCTIMER 4
#define SEQ_MIDIPUTC 5
#define SEQ_DRUMON 6 /*** OBSOLETE ***/
#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
#define SEQ_ECHO 8 /* For synching programs with output */
#define SEQ_AFTERTOUCH 9
#define SEQ_CONTROLLER 10
#define CTRL_PITCH_BENDER 255
#define CTRL_PITCH_BENDER_RANGE 254
#define CTRL_EXPRESSION 253
#define CTRL_MAIN_VOLUME 252
#define SEQ_BALANCE 11
/*
* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
* input events.
*/
/*
* Event codes 0xf0 to 0xfc are reserved for future extensions.
*/
#define SEQ_FULLSIZE 0xfd /* Long events */
/*
* SEQ_FULLSIZE events are used for loading patches/samples to the
* synthesizer devices. These events are passed directly to the driver
* of the associated synthesizer device. There is no limit to the size
* of the extended events. These events are not queued but executed
* immediately when the write() is called (execution can take several
* seconds of time).
*
* When a SEQ_FULLSIZE message is written to the device, it must
* be written using exactly one write() call. Other events cannot
* be mixed to the same write.
*
* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
* /dev/sequencer. Don't write other data together with the instrument structure
* Set the key field of the structure to FM_PATCH. The device field is used to
* route the patch to the corresponding device.
*
* For Gravis UltraSound use struct patch_info. Initialize the key field
* to GUS_PATCH.
*/
#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) */
/*
* Extended events for synthesizers (8 bytes)
*
* Format:
*
* b0 = SEQ_EXTENDED
* b1 = command
* b2 = device
* b3-b7 = parameters
*
* Command b3 b4 b5 b6 b7
* ----------------------------------------------------------------------------
* SEQ_NOTEON voice note volume 0 0
* SEQ_NOTEOFF voice note volume 0 0
* SEQ_PGMCHANGE voice pgm 0 0 0
* SEQ_DRUMON (voice) drum# volume 0 0
* SEQ_DRUMOFF (voice) drum# volume 0 0
*/
/*
* Record for FM patches
*/
typedef unsigned char sbi_instr_data[32];
struct sbi_instrument {
unsigned short key; /* Initialize to FM_PATCH or OPL3_PATCH */
#define FM_PATCH 0x01fd
#define OPL3_PATCH 0x03fd
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
int synth_subtype;
#define FM_TYPE_ADLIB 0x00
#define FM_TYPE_OPL3 0x01
#define SAMPLE_TYPE_GUS 0x10
int perc_mode; /* No longer supported */
int nr_voices;
int nr_drums; /* Obsolete field */
int instr_bank_size;
unsigned long capabilities;
#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
int dummies[19]; /* Reserve space */
};
struct midi_info {
char name[30];
int device; /* 0-N. INITIALIZE BEFORE CALLING */
unsigned long capabilities; /* To be defined later */
int dummies[19]; /* Reserve space */
};
/********************************************
* IOCTL commands for /dev/dsp and /dev/audio
*/
#define SNDCTL_DSP_RESET _IO ('P', 0)
#define SNDCTL_DSP_SYNC _IO ('P', 1)
#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
#define SNDCTL_DSP_SAMPLESIZE _IOWR('P', 5, int) /* 8, 12 or 16 */
#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
#define SNDCTL_DSP_POST _IO ('P', 8)
#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
/* Some alias names */
#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SAMPLESIZE
#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
/*********************************************
* 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 12
#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 */
/* 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
#define SOUND_MIXER_MUTE 28 /* 0 or 1 */
#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
#define SOUND_MIXER_LOUD 30 /* 0 or 1 */
/* Note! Number 31 cannot be used since the sign bit is reserved */
#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
"Mic ", "CD ", "Mix ", "Pcm2 ", "rec"}
#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
"mic", "cd", "mix", "pcm2", "rec"}
/* Device bitmask identifiers */
#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
#define SOUND_MIXER_CAPS 0xfc
#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
/* Device mask bits */
#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
#define MIXER_READ(dev) _IOR('M', dev, int)
#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
#define MIXER_WRITE(dev) _IOWR('M', dev, int)
#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
#define SOUND_MIXER_WRITE_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)
/*
* The following mixer ioctl calls are compatible with the BSD driver by
* Steve Haehnichen <shaehnic@ucsd.edu>
*
* Since this interface is entirely SB specific, it will be dropped in the
* near future.
*/
typedef unsigned char S_BYTE;
typedef unsigned char S_FLAG;
struct stereo_vol
{
S_BYTE l; /* Left volume */
S_BYTE r; /* Right volume */
};
#define MIXER_IOCTL_SET_LEVELS _IOW ('s', 20, struct sb_mixer_levels)
#define MIXER_IOCTL_SET_PARAMS _IOW ('s', 21, struct sb_mixer_params)
#define MIXER_IOCTL_READ_LEVELS _IOR ('s', 22, struct sb_mixer_levels)
#define MIXER_IOCTL_READ_PARAMS _IOR ('s', 23, struct sb_mixer_params)
#define MIXER_IOCTL_RESET _IO ('s', 24)
/*
* Mixer volume levels for MIXER_IOCTL_SET_VOL & MIXER_IOCTL_READ_VOL
*/
struct sb_mixer_levels
{
struct stereo_vol master; /* Master volume */
struct stereo_vol voc; /* DSP Voice volume */
struct stereo_vol fm; /* FM volume */
struct stereo_vol line; /* Line-in volume */
struct stereo_vol cd; /* CD audio */
S_BYTE mic; /* Microphone level */
};
/*
* Mixer parameters for MIXER_IOCTL_SET_PARAMS & MIXER_IOCTL_READ_PARAMS
*/
struct sb_mixer_params
{
S_BYTE record_source; /* Recording source (See SRC_xxx below) */
S_FLAG hifreq_filter; /* Filter frequency (hi/low) */
S_FLAG filter_input; /* ANFI input filter */
S_FLAG filter_output; /* DNFI output filter */
S_FLAG dsp_stereo; /* 1 if DSP is in Stereo mode */
};
#define SRC_MIC 1 /* Select Microphone recording source */
#define SRC_CD 3 /* Select CD recording source */
#define SRC_LINE 7 /* Use Line-in for recording source */
#if !defined(KERNEL) && !defined(INKERNEL)
/*
* Some convenience macros to simplify programming of the
* /dev/sequencer interface
*
* These macros define the API which should be used when possible.
*/
void seqbuf_dump(void); /* This function must be provided by programs */
/* Sample seqbuf_dump() implementation:
*
* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
*
* int seqfd; -- The file descriptor for /dev/sequencer.
*
* void
* seqbuf_dump ()
* {
* if (_seqbufptr)
* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
* {
* perror ("write /dev/sequencer");
* exit (-1);
* }
* _seqbufptr = 0;
* }
*/
#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len, _seqbufptr = 0
#define SEQ_PM_DEFINES struct patmgr_info _pm_info
#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
#define _SEQ_ADVBUF(len) _seqbufptr += len
#define SEQ_DUMPBUF seqbuf_dump
#define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
_pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
_pm_info.parm1 = bank, _pm_info.parm2 = 1, \
ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
#define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
_pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \
_pm_info.parm1 = bank, _pm_info.parm2 = 128, \
ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
#define SEQ_START_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_NOTEON;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
_seqbuf[_seqbufptr+4] = (note);\
_seqbuf[_seqbufptr+5] = (vol);\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_STOP_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_NOTEOFF;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
_seqbuf[_seqbufptr+4] = (note);\
_seqbuf[_seqbufptr+5] = (vol);\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_CHN_PRESSURE(dev, voice, pressure) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_AFTERTOUCH;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
_seqbuf[_seqbufptr+4] = (pressure);\
_seqbuf[_seqbufptr+5] = 0;\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_PANNING(dev, voice, pos) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_BALANCE;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
(char)_seqbuf[_seqbufptr+4] = (pos);\
_seqbuf[_seqbufptr+5] = 0;\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_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);\
*(short *)&_seqbuf[_seqbufptr+5] = (value);\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_PITCHBEND(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_EXPRESSION, value)
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_MAIN_VOLUME, value)
#define SEQ_START_TIMER() {_SEQ_NEEDBUF(4);\
_seqbuf[_seqbufptr] = SEQ_SYNCTIMER;\
_seqbuf[_seqbufptr+1] = 0;\
_seqbuf[_seqbufptr+2] = 0;\
_seqbuf[_seqbufptr+3] = 0;\
_SEQ_ADVBUF(4);}
#define SEQ_SET_PATCH(dev, voice, patch) {_SEQ_NEEDBUF(8);\
_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
_seqbuf[_seqbufptr+1] = SEQ_PGMCHANGE;\
_seqbuf[_seqbufptr+2] = (dev);\
_seqbuf[_seqbufptr+3] = (voice);\
_seqbuf[_seqbufptr+4] = (patch);\
_seqbuf[_seqbufptr+5] = 0;\
_seqbuf[_seqbufptr+6] = 0;\
_seqbuf[_seqbufptr+7] = 0;\
_SEQ_ADVBUF(8);}
#define SEQ_WAIT_TIME(ticks) {_SEQ_NEEDBUF(4);\
*(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_WAIT | ((ticks) << 8);\
_SEQ_ADVBUF(4);}
#define SEQ_ECHO_BACK(key) {_SEQ_NEEDBUF(4);\
*(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_ECHO | ((key) << 8);\
_SEQ_ADVBUF(4);}
#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);}
#define SEQ_WRPATCH(patch, len) {if (_seqbufptr) seqbuf_dump();\
if (write(seqfd, (char*)(patch), len)==-1) \
perror("Write patch: /dev/sequencer");}
#endif
long soundcard_init(long mem_start);
#endif /* _SOUNDCARD_H_ */
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.