738 lines
27 KiB
C
738 lines
27 KiB
C
#ifndef _SOUNDCARD_H_
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#define _SOUNDCARD_H_ 1
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/*
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* Copyright by Hannu Savolainen 1993
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*
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*/
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/*
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* If you make modifications to this file, please contact me before
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* distributing the modified version. There is already enough
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* diversity in the world.
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*
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* Regards,
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* Hannu Savolainen
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* hsavolai@cs.helsinki.fi
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*/
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#define SOUND_VERSION 200
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#include <sys/ioctl.h>
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/*
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* Supported card ID numbers (Should be somewhere else?)
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*/
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#define SNDCARD_ADLIB 1
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#define SNDCARD_SB 2
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#define SNDCARD_PAS 3
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#define SNDCARD_GUS 4
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#define SNDCARD_MPU401 5
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/***********************************
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* IOCTL Commands for /dev/sequencer
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*/
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#ifndef _IOWR
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/* @(#)ioctlp.h */
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/* Ioctl's have the command encoded in the lower word,
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* and the size of any in or out parameters in the upper
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* word. The high 2 bits of the upper word are used
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* to encode the in/out status of the parameter; for now
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* we restrict parameters to at most 128 bytes.
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*/
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/* #define IOCTYPE (0xff<<8) */
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#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
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#define IOC_VOID 0x20000000 /* no parameters */
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#define IOC_OUT 0x40000000 /* copy out parameters */
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#define IOC_IN 0x80000000 /* copy in parameters */
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#define IOC_INOUT (IOC_IN|IOC_OUT)
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/* the 0x20000000 is so we can distinguish new ioctl's from old */
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#define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y))
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#define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
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#define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
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/* this should be _IORW, but stdio got there first */
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#define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
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#endif /* !_IOWR */
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#define SNDCTL_SEQ_RESET _IO ('Q', 0)
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#define SNDCTL_SEQ_SYNC _IO ('Q', 1)
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#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
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#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
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#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
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#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
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#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
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#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
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#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
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#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
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#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
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#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
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#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
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#define SNDCTL_SEQ_TRESHOLD _IOW ('Q',13, int)
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#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
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#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
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#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
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/*
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* Sample loading mechanism for internal synthesizers (/dev/sequencer)
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* The following patch_info structure has been designed to support
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* Gravis UltraSound. It tries to be universal format for uploading
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* sample based patches but is propably too limited.
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*/
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struct patch_info {
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short key; /* Use GUS_PATCH here */
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#define GUS_PATCH 0x04fd
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#define OBSOLETE_GUS_PATCH 0x02fd
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short device_no; /* Synthesizer number */
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short instr_no; /* Midi pgm# */
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unsigned long mode;
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/*
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* The least significant byte has the same format than the GUS .PAT
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* files
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*/
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#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
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#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
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#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
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#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
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#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
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#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
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#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
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/* (use the env_rate/env_offs fields). */
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/* Linux specific bits */
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#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
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#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
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#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
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/* Other bits must be zeroed */
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long len; /* Size of the wave data in bytes */
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long loop_start, loop_end; /* Byte offsets from the beginning */
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/*
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* The base_freq and base_note fields are used when computing the
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* playback speed for a note. The base_note defines the tone frequency
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* which is heard if the sample is played using the base_freq as the
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* playback speed.
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*
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* The low_note and high_note fields define the minimum and maximum note
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* frequencies for which this sample is valid. It is possible to define
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* more than one samples for a instrument number at the same time. The
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* low_note and high_note fields are used to select the most suitable one.
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*
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* The fields base_note, high_note and low_note should contain
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* the note frequency multiplied by 1000. For example value for the
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* middle A is 440*1000.
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*/
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unsigned int base_freq;
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unsigned long base_note;
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unsigned long high_note;
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unsigned long low_note;
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int panning; /* -128=left, 127=right */
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int detuning;
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/* New fields introduced in version 1.99.5 */
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/* Envelope. Enabled by mode bit WAVE_ENVELOPES */
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unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
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unsigned char env_offset[ 6 ]; /* 255 == 100% */
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/*
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* The tremolo, vibrato and scale info are not supported yet.
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* Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
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* WAVE_SCALE
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*/
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unsigned char tremolo_sweep;
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unsigned char tremolo_rate;
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unsigned char tremolo_depth;
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unsigned char vibrato_sweep;
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unsigned char vibrato_rate;
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unsigned char vibrato_depth;
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int scale_frequency;
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unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
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int volume;
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int spare[4];
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char data[0]; /* The waveform data starts here */
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};
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/*
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* Patch management interface (/dev/sequencer, /dev/patmgr#)
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* Don't use these calls if you want to maintain compatibility with
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* the future versions of the driver.
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*/
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#define PS_NO_PATCHES 0 /* No patch support on device */
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#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
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#define PS_MGR_OK 2 /* Patch manager supported */
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#define PS_MANAGED 3 /* Patch manager running */
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#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
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/*
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* The patmgr_info is a fixed size structure which is used for two
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* different purposes. The intended use is for communication between
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* the application using /dev/sequencer and the patch manager daemon
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* associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
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*
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* This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
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* a patch manager daemon to read and write device parameters. This
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* ioctl available through /dev/sequencer also. Avoid using it since it's
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* extremely hardware dependent. In addition access trough /dev/sequencer
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* may confuse the patch manager daemon.
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*/
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struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
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unsigned long key; /* Don't worry. Reserved for communication
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between the patch manager and the driver. */
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#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
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#define PM_K_COMMAND 2 /* Request from a application */
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#define PM_K_RESPONSE 3 /* From patmgr to application */
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#define PM_ERROR 4 /* Error returned by the patmgr */
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int device;
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int command;
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/*
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* Commands 0x000 to 0xfff reserved for patch manager programs
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*/
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#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
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#define PMTYPE_FM2 1 /* 2 OP fm */
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#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
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#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
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#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
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#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
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#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
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#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
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#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
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#define PM_READ_PATCH 7 /* Read patch (wave) data */
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#define PM_WRITE_PATCH 8 /* Write patch (wave) data */
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/*
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* Commands 0x1000 to 0xffff are for communication between the patch manager
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* and the client
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*/
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#define _PM_LOAD_PATCH 0x100
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/*
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* Commands above 0xffff reserved for device specific use
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*/
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long parm1;
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long parm2;
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long parm3;
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union {
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unsigned char data8[4000];
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unsigned short data16[2000];
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unsigned long data32[1000];
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struct patch_info patch;
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} data;
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};
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/*
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* When a patch manager daemon is present, it will be informed by the
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* driver when something important happens. For example when the
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* /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
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* returned. The command field contains the event type:
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*/
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#define PM_E_OPENED 1 /* /dev/sequencer opened */
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#define PM_E_CLOSED 2 /* /dev/sequencer closed */
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#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
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#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
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/*
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* /dev/sequencer input events.
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*
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* The data written to the /dev/sequencer is a stream of events. Events
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* are records of 4 or 8 bytes. The first byte defines the size.
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* Any number of events can be written with a write call. There
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* is a set of macros for sending these events. Use these macros if you
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* want to maximize portability of your program.
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*
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* Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
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* (All input events are currently 4 bytes long. Be prepared to support
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* 8 byte events also. If you receive any event having first byte >= 0xf0,
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* it's a 8 byte event.
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*
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* The events are documented at the end of this file.
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*
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* Normal events (4 bytes)
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* There is also a 8 byte version of most of the 4 byte events. The
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* 8 byte one is recommended.
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*/
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#define SEQ_NOTEOFF 0
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#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
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#define SEQ_NOTEON 1
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#define SEQ_FMNOTEON SEQ_NOTEON
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#define SEQ_WAIT 2
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#define SEQ_PGMCHANGE 3
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#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
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#define SEQ_SYNCTIMER 4
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#define SEQ_MIDIPUTC 5
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#define SEQ_DRUMON 6 /*** OBSOLETE ***/
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#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
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#define SEQ_ECHO 8 /* For synching programs with output */
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#define SEQ_AFTERTOUCH 9
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#define SEQ_CONTROLLER 10
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#define CTRL_PITCH_BENDER 255
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#define CTRL_PITCH_BENDER_RANGE 254
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#define CTRL_EXPRESSION 253
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#define CTRL_MAIN_VOLUME 252
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#define SEQ_BALANCE 11
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/*
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* Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
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* input events.
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*/
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/*
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* Event codes 0xf0 to 0xfc are reserved for future extensions.
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*/
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#define SEQ_FULLSIZE 0xfd /* Long events */
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/*
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* SEQ_FULLSIZE events are used for loading patches/samples to the
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* synthesizer devices. These events are passed directly to the driver
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* of the associated synthesizer device. There is no limit to the size
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* of the extended events. These events are not queued but executed
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* immediately when the write() is called (execution can take several
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* seconds of time).
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*
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* When a SEQ_FULLSIZE message is written to the device, it must
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* be written using exactly one write() call. Other events cannot
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* be mixed to the same write.
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*
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* For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
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* /dev/sequencer. Don't write other data together with the instrument structure
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* Set the key field of the structure to FM_PATCH. The device field is used to
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* route the patch to the corresponding device.
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*
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* For Gravis UltraSound use struct patch_info. Initialize the key field
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* to GUS_PATCH.
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*/
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#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
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#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) */
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/*
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* Extended events for synthesizers (8 bytes)
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*
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* Format:
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*
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* b0 = SEQ_EXTENDED
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* b1 = command
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* b2 = device
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* b3-b7 = parameters
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*
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* Command b3 b4 b5 b6 b7
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* ----------------------------------------------------------------------------
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* SEQ_NOTEON voice note volume 0 0
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* SEQ_NOTEOFF voice note volume 0 0
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* SEQ_PGMCHANGE voice pgm 0 0 0
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* SEQ_DRUMON (voice) drum# volume 0 0
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* SEQ_DRUMOFF (voice) drum# volume 0 0
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*/
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/*
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* Record for FM patches
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*/
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typedef unsigned char sbi_instr_data[32];
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struct sbi_instrument {
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unsigned short key; /* Initialize to FM_PATCH or OPL3_PATCH */
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#define FM_PATCH 0x01fd
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#define OPL3_PATCH 0x03fd
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short device; /* Synth# (0-4) */
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int channel; /* Program# to be initialized */
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sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
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};
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struct synth_info { /* Read only */
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char name[30];
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int device; /* 0-N. INITIALIZE BEFORE CALLING */
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int synth_type;
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#define SYNTH_TYPE_FM 0
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#define SYNTH_TYPE_SAMPLE 1
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int synth_subtype;
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#define FM_TYPE_ADLIB 0x00
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#define FM_TYPE_OPL3 0x01
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#define SAMPLE_TYPE_GUS 0x10
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int perc_mode; /* No longer supported */
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int nr_voices;
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int nr_drums; /* Obsolete field */
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int instr_bank_size;
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unsigned long capabilities;
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#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
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#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
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int dummies[19]; /* Reserve space */
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};
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struct midi_info {
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char name[30];
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int device; /* 0-N. INITIALIZE BEFORE CALLING */
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unsigned long capabilities; /* To be defined later */
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int dummies[19]; /* Reserve space */
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};
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/********************************************
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* IOCTL commands for /dev/dsp and /dev/audio
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*/
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#define SNDCTL_DSP_RESET _IO ('P', 0)
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#define SNDCTL_DSP_SYNC _IO ('P', 1)
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#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
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#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
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#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
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#define SNDCTL_DSP_SAMPLESIZE _IOWR('P', 5, int) /* 8, 12 or 16 */
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#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
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#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
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#define SNDCTL_DSP_POST _IO ('P', 8)
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#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
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#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
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#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
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#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
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/* Some alias names */
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#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SAMPLESIZE
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#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
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#define SOUND_PCM_POST SNDCTL_DSP_POST
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#define SOUND_PCM_RESET SNDCTL_DSP_RESET
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#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
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/*********************************************
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* IOCTL commands for /dev/mixer
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*/
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/*
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* Mixer devices
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*
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* There can be up to 20 different analog mixer channels. The
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* SOUND_MIXER_NRDEVICES gives the currently supported maximum.
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* The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
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* the devices supported by the particular mixer.
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*/
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#define SOUND_MIXER_NRDEVICES 12
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#define SOUND_MIXER_VOLUME 0
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#define SOUND_MIXER_BASS 1
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#define SOUND_MIXER_TREBLE 2
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#define SOUND_MIXER_SYNTH 3
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#define SOUND_MIXER_PCM 4
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#define SOUND_MIXER_SPEAKER 5
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#define SOUND_MIXER_LINE 6
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#define SOUND_MIXER_MIC 7
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#define SOUND_MIXER_CD 8
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#define SOUND_MIXER_IMIX 9 /* Recording monitor */
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#define SOUND_MIXER_ALTPCM 10
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#define SOUND_MIXER_RECLEV 11 /* Recording level */
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/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
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/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
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#define SOUND_ONOFF_MIN 28
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#define SOUND_ONOFF_MAX 30
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#define SOUND_MIXER_MUTE 28 /* 0 or 1 */
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#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
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#define SOUND_MIXER_LOUD 30 /* 0 or 1 */
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/* Note! Number 31 cannot be used since the sign bit is reserved */
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#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
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"Mic ", "CD ", "Mix ", "Pcm2 ", "rec"}
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#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
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"mic", "cd", "mix", "pcm2", "rec"}
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/* Device bitmask identifiers */
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#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
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#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
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#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
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#define SOUND_MIXER_CAPS 0xfc
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#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
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#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
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/* Device mask bits */
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#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
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#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
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#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
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#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
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#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
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#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
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#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
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#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
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#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
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#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
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#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
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#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
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#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
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#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
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#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
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#define MIXER_READ(dev) _IOR('M', dev, int)
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#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
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#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
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#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
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#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
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#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
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#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
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#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
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#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
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#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
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#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
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#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
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#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
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#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
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#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
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#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
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#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
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#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
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#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
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#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
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#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
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#define MIXER_WRITE(dev) _IOWR('M', dev, int)
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#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
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#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
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#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
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#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
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#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
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#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
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#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
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#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
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#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
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#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
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#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
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#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
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#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
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#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
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#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
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#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
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/*
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* The following mixer ioctl calls are compatible with the BSD driver by
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* Steve Haehnichen <shaehnic@ucsd.edu>
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*
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* Since this interface is entirely SB specific, it will be dropped in the
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* near future.
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*/
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typedef unsigned char S_BYTE;
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typedef unsigned char S_FLAG;
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struct stereo_vol
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{
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S_BYTE l; /* Left volume */
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S_BYTE r; /* Right volume */
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};
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#define MIXER_IOCTL_SET_LEVELS _IOW ('s', 20, struct sb_mixer_levels)
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#define MIXER_IOCTL_SET_PARAMS _IOW ('s', 21, struct sb_mixer_params)
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#define MIXER_IOCTL_READ_LEVELS _IOR ('s', 22, struct sb_mixer_levels)
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#define MIXER_IOCTL_READ_PARAMS _IOR ('s', 23, struct sb_mixer_params)
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#define MIXER_IOCTL_RESET _IO ('s', 24)
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/*
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* Mixer volume levels for MIXER_IOCTL_SET_VOL & MIXER_IOCTL_READ_VOL
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*/
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struct sb_mixer_levels
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{
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struct stereo_vol master; /* Master volume */
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struct stereo_vol voc; /* DSP Voice volume */
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struct stereo_vol fm; /* FM volume */
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struct stereo_vol line; /* Line-in volume */
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struct stereo_vol cd; /* CD audio */
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S_BYTE mic; /* Microphone level */
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};
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/*
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* Mixer parameters for MIXER_IOCTL_SET_PARAMS & MIXER_IOCTL_READ_PARAMS
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*/
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struct sb_mixer_params
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{
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S_BYTE record_source; /* Recording source (See SRC_xxx below) */
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S_FLAG hifreq_filter; /* Filter frequency (hi/low) */
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S_FLAG filter_input; /* ANFI input filter */
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S_FLAG filter_output; /* DNFI output filter */
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S_FLAG dsp_stereo; /* 1 if DSP is in Stereo mode */
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};
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#define SRC_MIC 1 /* Select Microphone recording source */
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#define SRC_CD 3 /* Select CD recording source */
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#define SRC_LINE 7 /* Use Line-in for recording source */
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#if !defined(KERNEL) && !defined(INKERNEL)
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/*
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* Some convenience macros to simplify programming of the
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* /dev/sequencer interface
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*
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* These macros define the API which should be used when possible.
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*/
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void seqbuf_dump(void); /* This function must be provided by programs */
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/* Sample seqbuf_dump() implementation:
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*
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* SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
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*
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* int seqfd; -- The file descriptor for /dev/sequencer.
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*
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* void
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* seqbuf_dump ()
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* {
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* if (_seqbufptr)
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* if (write (seqfd, _seqbuf, _seqbufptr) == -1)
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* {
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* perror ("write /dev/sequencer");
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* exit (-1);
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* }
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* _seqbufptr = 0;
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* }
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*/
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#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len, _seqbufptr = 0
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#define SEQ_PM_DEFINES struct patmgr_info _pm_info
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#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
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#define _SEQ_ADVBUF(len) _seqbufptr += len
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#define SEQ_DUMPBUF seqbuf_dump
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#define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
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_pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
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_pm_info.parm1 = bank, _pm_info.parm2 = 1, \
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ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
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#define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
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_pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \
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_pm_info.parm1 = bank, _pm_info.parm2 = 128, \
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ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
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#define SEQ_START_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_NOTEON;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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_seqbuf[_seqbufptr+4] = (note);\
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_seqbuf[_seqbufptr+5] = (vol);\
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_seqbuf[_seqbufptr+6] = 0;\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_STOP_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_NOTEOFF;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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_seqbuf[_seqbufptr+4] = (note);\
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_seqbuf[_seqbufptr+5] = (vol);\
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_seqbuf[_seqbufptr+6] = 0;\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_CHN_PRESSURE(dev, voice, pressure) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_AFTERTOUCH;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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_seqbuf[_seqbufptr+4] = (pressure);\
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_seqbuf[_seqbufptr+5] = 0;\
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_seqbuf[_seqbufptr+6] = 0;\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_PANNING(dev, voice, pos) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_BALANCE;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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(char)_seqbuf[_seqbufptr+4] = (pos);\
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_seqbuf[_seqbufptr+5] = 0;\
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_seqbuf[_seqbufptr+6] = 0;\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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_seqbuf[_seqbufptr+4] = (controller);\
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*(short *)&_seqbuf[_seqbufptr+5] = (value);\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_PITCHBEND(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
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#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
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#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_EXPRESSION, value)
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#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_MAIN_VOLUME, value)
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#define SEQ_START_TIMER() {_SEQ_NEEDBUF(4);\
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_seqbuf[_seqbufptr] = SEQ_SYNCTIMER;\
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_seqbuf[_seqbufptr+1] = 0;\
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_seqbuf[_seqbufptr+2] = 0;\
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_seqbuf[_seqbufptr+3] = 0;\
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_SEQ_ADVBUF(4);}
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#define SEQ_SET_PATCH(dev, voice, patch) {_SEQ_NEEDBUF(8);\
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_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
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_seqbuf[_seqbufptr+1] = SEQ_PGMCHANGE;\
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_seqbuf[_seqbufptr+2] = (dev);\
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_seqbuf[_seqbufptr+3] = (voice);\
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_seqbuf[_seqbufptr+4] = (patch);\
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_seqbuf[_seqbufptr+5] = 0;\
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_seqbuf[_seqbufptr+6] = 0;\
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_seqbuf[_seqbufptr+7] = 0;\
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_SEQ_ADVBUF(8);}
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#define SEQ_WAIT_TIME(ticks) {_SEQ_NEEDBUF(4);\
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*(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_WAIT | ((ticks) << 8);\
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_SEQ_ADVBUF(4);}
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#define SEQ_ECHO_BACK(key) {_SEQ_NEEDBUF(4);\
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*(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_ECHO | ((key) << 8);\
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_SEQ_ADVBUF(4);}
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#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
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_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
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_seqbuf[_seqbufptr+1] = (byte);\
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_seqbuf[_seqbufptr+2] = (device);\
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_seqbuf[_seqbufptr+3] = 0;\
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_SEQ_ADVBUF(4);}
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#define SEQ_WRPATCH(patch, len) {if (_seqbufptr) seqbuf_dump();\
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if (write(seqfd, (char*)(patch), len)==-1) \
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perror("Write patch: /dev/sequencer");}
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#endif
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long soundcard_init(long mem_start);
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#endif /* _SOUNDCARD_H_ */
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