path: root/contrib/libs/linux-headers/linux/soundcard.h

/* 
 * Copyright by Hannu Savolainen 1993-1997 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are 
 * met: 1. Redistributions of source code must retain the above copyright 
 * notice, this list of conditions and the following disclaimer. 2. 
 * Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 */ 
#ifndef SOUNDCARD_H 
#define SOUNDCARD_H 
 
 
/* 
 * OSS interface version. With versions earlier than 3.6 this value is 
 * an integer with value less than 361. In versions 3.6 and later 
 * it's a six digit hexadecimal value. For example value 
 * of 0x030600 represents OSS version 3.6.0. 
 * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of 
 * the currently active driver. 
 */ 
#define SOUND_VERSION	0x030802 
#define OPEN_SOUND_SYSTEM 
 
/* In Linux we need to be prepared for cross compiling */ 
#include <linux/ioctl.h> 
 
/* Endian macros. */ 
#  include <endian.h> 
 
/* 
 *	Supported card ID numbers (Should be somewhere else?) 
 */ 
 
#define SNDCARD_ADLIB		1 
#define SNDCARD_SB		2 
#define SNDCARD_PAS		3 
#define SNDCARD_GUS		4 
#define SNDCARD_MPU401		5 
#define SNDCARD_SB16		6 
#define SNDCARD_SB16MIDI	7 
#define SNDCARD_UART6850	8 
#define SNDCARD_GUS16		9 
#define SNDCARD_MSS		10 
#define SNDCARD_PSS     	11 
#define SNDCARD_SSCAPE		12 
#define SNDCARD_PSS_MPU     	13 
#define SNDCARD_PSS_MSS     	14 
#define SNDCARD_SSCAPE_MSS	15 
#define SNDCARD_TRXPRO		16 
#define SNDCARD_TRXPRO_SB	17 
#define SNDCARD_TRXPRO_MPU	18 
#define SNDCARD_MAD16		19 
#define SNDCARD_MAD16_MPU	20 
#define SNDCARD_CS4232		21 
#define SNDCARD_CS4232_MPU	22 
#define SNDCARD_MAUI		23 
#define SNDCARD_PSEUDO_MSS	24 
#define SNDCARD_GUSPNP		25 
#define SNDCARD_UART401		26 
/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ 
 
/*********************************** 
 * IOCTL Commands for /dev/sequencer 
 */ 
 
#ifndef _SIOWR 
#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 
/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 
#define	SIOCPARM_MASK	IOCPARM_MASK 
#define	SIOC_VOID	IOC_VOID 
#define	SIOC_OUT	IOC_OUT 
#define	SIOC_IN		IOC_IN 
#define	SIOC_INOUT	IOC_INOUT 
#define _SIOC_SIZE	_IOC_SIZE 
#define _SIOC_DIR	_IOC_DIR 
#define _SIOC_NONE	_IOC_NONE 
#define _SIOC_READ	_IOC_READ 
#define _SIOC_WRITE	_IOC_WRITE 
#define	_SIO		_IO 
#define	_SIOR		_IOR 
#define	_SIOW		_IOW 
#define	_SIOWR		_IOWR 
#else 
 
/* Ioctl's have the command encoded in the lower word, 
 * and the size of any in or out parameters in the upper 
 * word.  The high 2 bits of the upper word are used 
 * to encode the in/out status of the parameter; for now 
 * we restrict parameters to at most 8191 bytes. 
 */ 
/* #define	SIOCTYPE		(0xff<<8) */ 
#define	SIOCPARM_MASK	0x1fff		/* parameters must be < 8192 bytes */ 
#define	SIOC_VOID	0x00000000	/* no parameters */ 
#define	SIOC_OUT	0x20000000	/* copy out parameters */ 
#define	SIOC_IN		0x40000000	/* copy in parameters */ 
#define	SIOC_INOUT	(SIOC_IN|SIOC_OUT) 
/* the 0x20000000 is so we can distinguish new ioctl's from old */ 
#define	_SIO(x,y)	((int)(SIOC_VOID|(x<<8)|y)) 
#define	_SIOR(x,y,t)	((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 
#define	_SIOW(x,y,t)	((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 
/* this should be _SIORW, but stdio got there first */ 
#define	_SIOWR(x,y,t)	((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 
#define _SIOC_SIZE(x)	((x>>16)&SIOCPARM_MASK)	 
#define _SIOC_DIR(x)	(x & 0xf0000000) 
#define _SIOC_NONE	SIOC_VOID 
#define _SIOC_READ	SIOC_OUT 
#define _SIOC_WRITE	SIOC_IN 
#  endif /* _IOWR */ 
#endif  /* !_SIOWR */ 
 
#define SNDCTL_SEQ_RESET		_SIO  ('Q', 0) 
#define SNDCTL_SEQ_SYNC			_SIO  ('Q', 1) 
#define SNDCTL_SYNTH_INFO		_SIOWR('Q', 2, struct synth_info) 
#define SNDCTL_SEQ_CTRLRATE		_SIOWR('Q', 3, int)	/* Set/get timer resolution (HZ) */ 
#define SNDCTL_SEQ_GETOUTCOUNT		_SIOR ('Q', 4, int) 
#define SNDCTL_SEQ_GETINCOUNT		_SIOR ('Q', 5, int) 
#define SNDCTL_SEQ_PERCMODE		_SIOW ('Q', 6, int) 
#define SNDCTL_FM_LOAD_INSTR		_SIOW ('Q', 7, struct sbi_instrument)	/* Obsolete. Don't use!!!!!! */ 
#define SNDCTL_SEQ_TESTMIDI		_SIOW ('Q', 8, int) 
#define SNDCTL_SEQ_RESETSAMPLES		_SIOW ('Q', 9, int) 
#define SNDCTL_SEQ_NRSYNTHS		_SIOR ('Q',10, int) 
#define SNDCTL_SEQ_NRMIDIS		_SIOR ('Q',11, int) 
#define SNDCTL_MIDI_INFO		_SIOWR('Q',12, struct midi_info) 
#define SNDCTL_SEQ_THRESHOLD		_SIOW ('Q',13, int) 
#define SNDCTL_SYNTH_MEMAVL		_SIOWR('Q',14, int)	/* in=dev#, out=memsize */ 
#define SNDCTL_FM_4OP_ENABLE		_SIOW ('Q',15, int)	/* in=dev# */ 
#define SNDCTL_SEQ_PANIC		_SIO  ('Q',17) 
#define SNDCTL_SEQ_OUTOFBAND		_SIOW ('Q',18, struct seq_event_rec) 
#define SNDCTL_SEQ_GETTIME		_SIOR ('Q',19, int) 
#define SNDCTL_SYNTH_ID			_SIOWR('Q',20, struct synth_info) 
#define SNDCTL_SYNTH_CONTROL		_SIOWR('Q',21, struct synth_control) 
#define SNDCTL_SYNTH_REMOVESAMPLE	_SIOWR('Q',22, struct remove_sample) 
 
typedef struct synth_control 
{ 
	int devno;	/* Synthesizer # */ 
	char data[4000]; /* Device spesific command/data record */ 
}synth_control; 
 
typedef struct remove_sample 
{ 
	int devno;	/* Synthesizer # */ 
	int bankno;	/* MIDI bank # (0=General MIDI) */ 
	int instrno;	/* MIDI instrument number */ 
} remove_sample; 
 
typedef struct seq_event_rec { 
		unsigned char arr[8]; 
} seq_event_rec; 
 
#define SNDCTL_TMR_TIMEBASE		_SIOWR('T', 1, int) 
#define SNDCTL_TMR_START		_SIO  ('T', 2) 
#define SNDCTL_TMR_STOP			_SIO  ('T', 3) 
#define SNDCTL_TMR_CONTINUE		_SIO  ('T', 4) 
#define SNDCTL_TMR_TEMPO		_SIOWR('T', 5, int) 
#define SNDCTL_TMR_SOURCE		_SIOWR('T', 6, int) 
#	define TMR_INTERNAL		0x00000001 
#	define TMR_EXTERNAL		0x00000002 
#		define TMR_MODE_MIDI	0x00000010 
#		define TMR_MODE_FSK	0x00000020 
#		define TMR_MODE_CLS	0x00000040 
#		define TMR_MODE_SMPTE	0x00000080 
#define SNDCTL_TMR_METRONOME		_SIOW ('T', 7, int) 
#define SNDCTL_TMR_SELECT		_SIOW ('T', 8, int) 
 
/* 
 * Some big endian/little endian handling macros 
 */ 
 
#define _LINUX_PATCHKEY_H_INDIRECT 
#include <linux/patchkey.h> 
#undef _LINUX_PATCHKEY_H_INDIRECT 
 
# if defined(__BYTE_ORDER) 
#  if __BYTE_ORDER == __BIG_ENDIAN 
#    define AFMT_S16_NE AFMT_S16_BE 
#  elif __BYTE_ORDER == __LITTLE_ENDIAN 
#    define AFMT_S16_NE AFMT_S16_LE 
#  else 
#    error "could not determine byte order" 
#  endif 
# endif 
 
/* 
 *	Sample loading mechanism for internal synthesizers (/dev/sequencer) 
 *	The following patch_info structure has been designed to support 
 *	Gravis UltraSound. It tries to be universal format for uploading 
 *	sample based patches but is probably too limited. 
 * 
 *      (PBD) As Hannu guessed, the GUS structure is too limited for  
 *      the WaveFront, but this is the right place for a constant definition. 
 */ 
 
struct patch_info { 
		unsigned short key;		/* Use WAVE_PATCH here */ 
#define WAVE_PATCH	   _PATCHKEY(0x04) 
#define GUS_PATCH	   WAVE_PATCH 
#define WAVEFRONT_PATCH    _PATCHKEY(0x06) 
 
		short device_no;	/* Synthesizer number */ 
		short instr_no;		/* Midi pgm# */ 
 
		unsigned int mode; 
/* 
 * The least significant byte has the same format than the GUS .PAT 
 * files 
 */ 
#define WAVE_16_BITS	0x01	/* bit 0 = 8 or 16 bit wave data. */ 
#define WAVE_UNSIGNED	0x02	/* bit 1 = Signed - Unsigned data. */ 
#define WAVE_LOOPING	0x04	/* bit 2 = looping enabled-1. */ 
#define WAVE_BIDIR_LOOP	0x08	/* bit 3 = Set is bidirectional looping. */ 
#define WAVE_LOOP_BACK	0x10	/* bit 4 = Set is looping backward. */ 
#define WAVE_SUSTAIN_ON	0x20	/* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 
#define WAVE_ENVELOPES	0x40	/* bit 6 = Enable envelopes - 1 */ 
#define WAVE_FAST_RELEASE 0x80	/* bit 7 = Shut off immediately after note off */ 
				/* 	(use the env_rate/env_offs fields). */ 
/* Linux specific bits */ 
#define WAVE_VIBRATO	0x00010000	/* The vibrato info is valid */ 
#define WAVE_TREMOLO	0x00020000	/* The tremolo info is valid */ 
#define WAVE_SCALE	0x00040000	/* The scaling info is valid */ 
#define WAVE_FRACTIONS	0x00080000	/* Fraction information is valid */ 
/* Reserved bits */ 
#define WAVE_ROM	0x40000000	/* For future use */ 
#define WAVE_MULAW	0x20000000	/* For future use */ 
/* Other bits must be zeroed */ 
 
		int len;	/* Size of the wave data in bytes */ 
		int loop_start, loop_end; /* Byte offsets from the beginning */ 
 
/*  
 * The base_freq and base_note fields are used when computing the 
 * playback speed for a note. The base_note defines the tone frequency 
 * which is heard if the sample is played using the base_freq as the 
 * playback speed. 
 * 
 * The low_note and high_note fields define the minimum and maximum note 
 * frequencies for which this sample is valid. It is possible to define 
 * more than one samples for an instrument number at the same time. The 
 * low_note and high_note fields are used to select the most suitable one. 
 * 
 * The fields base_note, high_note and low_note should contain 
 * the note frequency multiplied by 1000. For example value for the 
 * middle A is 440*1000. 
 */ 
 
		unsigned int base_freq; 
		unsigned int base_note; 
		unsigned int high_note; 
		unsigned int low_note; 
		int panning;	/* -128=left, 127=right */ 
		int detuning; 
 
/*	New fields introduced in version 1.99.5	*/ 
 
       /* Envelope. Enabled by mode bit WAVE_ENVELOPES	*/ 
		unsigned char	env_rate[ 6 ];	 /* GUS HW ramping rate */ 
		unsigned char	env_offset[ 6 ]; /* 255 == 100% */ 
 
	/*  
	 * The tremolo, vibrato and scale info are not supported yet. 
	 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 
	 * WAVE_SCALE 
	 */ 
 
		unsigned char	tremolo_sweep; 
		unsigned char	tremolo_rate; 
		unsigned char	tremolo_depth; 
	 
		unsigned char	vibrato_sweep; 
		unsigned char	vibrato_rate; 
		unsigned char	vibrato_depth; 
 
		int		scale_frequency; 
		unsigned int	scale_factor;		/* from 0 to 2048 or 0 to 2 */ 
	 
	        int		volume; 
		int		fractions; 
		int		reserved1; 
	        int		spare[2]; 
		char data[1];	/* The waveform data starts here */ 
	}; 
 
struct sysex_info { 
		short key;		/* Use SYSEX_PATCH or MAUI_PATCH here */ 
#define SYSEX_PATCH	_PATCHKEY(0x05) 
#define MAUI_PATCH	_PATCHKEY(0x06) 
		short device_no;	/* Synthesizer number */ 
		int len;	/* Size of the sysex data in bytes */ 
		unsigned char data[1];	/* Sysex data starts here */ 
	}; 
 
/* 
 * /dev/sequencer input events. 
 * 
 * The data written to the /dev/sequencer is a stream of events. Events 
 * are records of 4 or 8 bytes. The first byte defines the size.  
 * Any number of events can be written with a write call. There 
 * is a set of macros for sending these events. Use these macros if you 
 * want to maximize portability of your program. 
 * 
 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 
 * (All input events are currently 4 bytes long. Be prepared to support 
 * 8 byte events also. If you receive any event having first byte >= 128, 
 * it's a 8 byte event. 
 * 
 * The events are documented at the end of this file. 
 * 
 * Normal events (4 bytes) 
 * There is also a 8 byte version of most of the 4 byte events. The 
 * 8 byte one is recommended. 
 */ 
#define SEQ_NOTEOFF		0 
#define SEQ_FMNOTEOFF		SEQ_NOTEOFF	/* Just old name */ 
#define SEQ_NOTEON		1 
#define	SEQ_FMNOTEON		SEQ_NOTEON 
#define SEQ_WAIT		TMR_WAIT_ABS 
#define SEQ_PGMCHANGE		3 
#define SEQ_FMPGMCHANGE		SEQ_PGMCHANGE 
#define SEQ_SYNCTIMER		TMR_START 
#define SEQ_MIDIPUTC		5 
#define SEQ_DRUMON		6	/*** OBSOLETE ***/ 
#define SEQ_DRUMOFF		7	/*** OBSOLETE ***/ 
#define SEQ_ECHO		TMR_ECHO	/* For synching programs with output */ 
#define SEQ_AFTERTOUCH		9 
#define SEQ_CONTROLLER		10 
 
/******************************************* 
 *	Midi controller numbers 
 ******************************************* 
 * Controllers 0 to 31 (0x00 to 0x1f) and 
 * 32 to 63 (0x20 to 0x3f) are continuous 
 * controllers. 
 * In the MIDI 1.0 these controllers are sent using 
 * two messages. Controller numbers 0 to 31 are used 
 * to send the MSB and the controller numbers 32 to 63 
 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 
 */ 
 
#define	   CTL_BANK_SELECT		0x00 
#define	   CTL_MODWHEEL			0x01 
#define    CTL_BREATH			0x02 
/*		undefined		0x03 */ 
#define    CTL_FOOT			0x04 
#define    CTL_PORTAMENTO_TIME		0x05 
#define    CTL_DATA_ENTRY		0x06 
#define    CTL_MAIN_VOLUME		0x07 
#define    CTL_BALANCE			0x08 
/*		undefined		0x09 */ 
#define    CTL_PAN			0x0a 
#define    CTL_EXPRESSION		0x0b 
/*		undefined		0x0c */ 
/*		undefined		0x0d */ 
/*		undefined		0x0e */ 
/*		undefined		0x0f */ 
#define    CTL_GENERAL_PURPOSE1	0x10 
#define    CTL_GENERAL_PURPOSE2	0x11 
#define    CTL_GENERAL_PURPOSE3	0x12 
#define    CTL_GENERAL_PURPOSE4	0x13 
/*		undefined		0x14 - 0x1f */ 
 
/*		undefined		0x20 */ 
/* The controller numbers 0x21 to 0x3f are reserved for the */ 
/* least significant bytes of the controllers 0x00 to 0x1f. */ 
/* These controllers are not recognised by the driver. */ 
 
/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 
/* 0=OFF and 127=ON (intermediate values are possible) */ 
#define    CTL_DAMPER_PEDAL		0x40 
#define    CTL_SUSTAIN			0x40	/* Alias */ 
#define    CTL_HOLD			0x40	/* Alias */ 
#define    CTL_PORTAMENTO		0x41 
#define    CTL_SOSTENUTO		0x42 
#define    CTL_SOFT_PEDAL		0x43 
/*		undefined		0x44 */ 
#define    CTL_HOLD2			0x45 
/*		undefined		0x46 - 0x4f */ 
 
#define    CTL_GENERAL_PURPOSE5	0x50 
#define    CTL_GENERAL_PURPOSE6	0x51 
#define    CTL_GENERAL_PURPOSE7	0x52 
#define    CTL_GENERAL_PURPOSE8	0x53 
/*		undefined		0x54 - 0x5a */ 
#define    CTL_EXT_EFF_DEPTH		0x5b 
#define    CTL_TREMOLO_DEPTH		0x5c 
#define    CTL_CHORUS_DEPTH		0x5d 
#define    CTL_DETUNE_DEPTH		0x5e 
#define    CTL_CELESTE_DEPTH		0x5e	/* Alias for the above one */ 
#define    CTL_PHASER_DEPTH		0x5f 
#define    CTL_DATA_INCREMENT		0x60 
#define    CTL_DATA_DECREMENT		0x61 
#define    CTL_NONREG_PARM_NUM_LSB	0x62 
#define    CTL_NONREG_PARM_NUM_MSB	0x63 
#define    CTL_REGIST_PARM_NUM_LSB	0x64 
#define    CTL_REGIST_PARM_NUM_MSB	0x65 
/*		undefined		0x66 - 0x78 */ 
/*		reserved		0x79 - 0x7f */ 
 
/* Pseudo controllers (not midi compatible) */ 
#define    CTRL_PITCH_BENDER		255 
#define    CTRL_PITCH_BENDER_RANGE	254 
#define    CTRL_EXPRESSION		253	/* Obsolete */ 
#define    CTRL_MAIN_VOLUME		252	/* Obsolete */ 
#define SEQ_BALANCE		11 
#define SEQ_VOLMODE             12 
 
/* 
 * Volume mode decides how volumes are used 
 */ 
 
#define VOL_METHOD_ADAGIO	1 
#define VOL_METHOD_LINEAR	2 
 
/* 
 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 
 *	 input events. 
 */ 
 
/* 
 * Event codes 0xf0 to 0xfc are reserved for future extensions. 
 */ 
 
#define SEQ_FULLSIZE		0xfd	/* Long events */ 
/* 
 *	SEQ_FULLSIZE events are used for loading patches/samples to the 
 *	synthesizer devices. These events are passed directly to the driver 
 *	of the associated synthesizer device. There is no limit to the size 
 *	of the extended events. These events are not queued but executed 
 *	immediately when the write() is called (execution can take several 
 *	seconds of time).  
 * 
 *	When a SEQ_FULLSIZE message is written to the device, it must 
 *	be written using exactly one write() call. Other events cannot 
 *	be mixed to the same write. 
 *	 
 *	For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the  
 *	/dev/sequencer. Don't write other data together with the instrument structure 
 *	Set the key field of the structure to FM_PATCH. The device field is used to 
 *	route the patch to the corresponding device. 
 * 
 *	For wave table use struct patch_info. Initialize the key field 
 *      to WAVE_PATCH. 
 */ 
#define SEQ_PRIVATE		0xfe	/* Low level HW dependent events (8 bytes) */ 
#define SEQ_EXTENDED		0xff	/* Extended events (8 bytes) OBSOLETE */ 
 
/* 
 * Record for FM patches 
 */ 
 
typedef unsigned char sbi_instr_data[32]; 
 
struct sbi_instrument { 
		unsigned short	key;	/* FM_PATCH or OPL3_PATCH */ 
#define FM_PATCH	_PATCHKEY(0x01) 
#define OPL3_PATCH	_PATCHKEY(0x03) 
		short		device;		/*	Synth# (0-4)	*/ 
		int 		channel;	/*	Program# to be initialized 	*/ 
		sbi_instr_data	operators;	/*	Register settings for operator cells (.SBI format)	*/ 
	}; 
 
struct synth_info {	/* Read only */ 
		char	name[30]; 
		int	device;		/* 0-N. INITIALIZE BEFORE CALLING */ 
		int	synth_type; 
#define SYNTH_TYPE_FM			0 
#define SYNTH_TYPE_SAMPLE		1 
#define SYNTH_TYPE_MIDI			2	/* Midi interface */ 
 
		int	synth_subtype; 
#define FM_TYPE_ADLIB			0x00 
#define FM_TYPE_OPL3			0x01 
#define MIDI_TYPE_MPU401		0x401 
 
#define SAMPLE_TYPE_BASIC		0x10 
#define SAMPLE_TYPE_GUS			SAMPLE_TYPE_BASIC 
#define SAMPLE_TYPE_WAVEFRONT           0x11 
 
		int	perc_mode;	/* No longer supported */ 
		int	nr_voices; 
		int	nr_drums;	/* Obsolete field */ 
		int	instr_bank_size; 
		unsigned int	capabilities;	 
#define SYNTH_CAP_PERCMODE		0x00000001 /* No longer used */ 
#define SYNTH_CAP_OPL3			0x00000002 /* Set if OPL3 supported */ 
#define SYNTH_CAP_INPUT			0x00000004 /* Input (MIDI) device */ 
		int	dummies[19];	/* Reserve space */ 
	}; 
 
struct sound_timer_info { 
		char name[32]; 
		int caps; 
	}; 
 
#define MIDI_CAP_MPU401		1		/* MPU-401 intelligent mode */ 
 
struct midi_info { 
		char		name[30]; 
		int		device;		/* 0-N. INITIALIZE BEFORE CALLING */ 
		unsigned int	capabilities;	/* To be defined later */ 
		int		dev_type; 
		int		dummies[18];	/* Reserve space */ 
	}; 
 
/******************************************** 
 * ioctl commands for the /dev/midi## 
 */ 
typedef struct { 
		unsigned char cmd; 
		char nr_args, nr_returns; 
		unsigned char data[30]; 
	} mpu_command_rec; 
 
#define SNDCTL_MIDI_PRETIME		_SIOWR('m', 0, int) 
#define SNDCTL_MIDI_MPUMODE		_SIOWR('m', 1, int) 
#define SNDCTL_MIDI_MPUCMD		_SIOWR('m', 2, mpu_command_rec) 
 
/******************************************** 
 * IOCTL commands for /dev/dsp and /dev/audio 
 */ 
 
#define SNDCTL_DSP_RESET		_SIO  ('P', 0) 
#define SNDCTL_DSP_SYNC			_SIO  ('P', 1) 
#define SNDCTL_DSP_SPEED		_SIOWR('P', 2, int) 
#define SNDCTL_DSP_STEREO		_SIOWR('P', 3, int) 
#define SNDCTL_DSP_GETBLKSIZE		_SIOWR('P', 4, int) 
#define SNDCTL_DSP_SAMPLESIZE		SNDCTL_DSP_SETFMT 
#define SNDCTL_DSP_CHANNELS		_SIOWR('P', 6, int) 
#define SOUND_PCM_WRITE_CHANNELS	SNDCTL_DSP_CHANNELS 
#define SOUND_PCM_WRITE_FILTER		_SIOWR('P', 7, int) 
#define SNDCTL_DSP_POST			_SIO  ('P', 8) 
#define SNDCTL_DSP_SUBDIVIDE		_SIOWR('P', 9, int) 
#define SNDCTL_DSP_SETFRAGMENT		_SIOWR('P',10, int) 
 
/*	Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 
#define SNDCTL_DSP_GETFMTS		_SIOR ('P',11, int) /* Returns a mask */ 
#define SNDCTL_DSP_SETFMT		_SIOWR('P',5, int) /* Selects ONE fmt*/ 
#	define AFMT_QUERY		0x00000000	/* Return current fmt */ 
#	define AFMT_MU_LAW		0x00000001 
#	define AFMT_A_LAW		0x00000002 
#	define AFMT_IMA_ADPCM		0x00000004 
#	define AFMT_U8			0x00000008 
#	define AFMT_S16_LE		0x00000010	/* Little endian signed 16*/ 
#	define AFMT_S16_BE		0x00000020	/* Big endian signed 16 */ 
#	define AFMT_S8			0x00000040 
#	define AFMT_U16_LE		0x00000080	/* Little endian U16 */ 
#	define AFMT_U16_BE		0x00000100	/* Big endian U16 */ 
#	define AFMT_MPEG		0x00000200	/* MPEG (2) audio */ 
#	define AFMT_AC3		0x00000400	/* Dolby Digital AC3 */ 
 
/* 
 * Buffer status queries. 
 */ 
typedef struct audio_buf_info { 
			int fragments;	/* # of available fragments (partially usend ones not counted) */ 
			int fragstotal;	/* Total # of fragments allocated */ 
			int fragsize;	/* Size of a fragment in bytes */ 
 
			int bytes;	/* Available space in bytes (includes partially used fragments) */ 
			/* Note! 'bytes' could be more than fragments*fragsize */ 
		} audio_buf_info; 
 
#define SNDCTL_DSP_GETOSPACE		_SIOR ('P',12, audio_buf_info) 
#define SNDCTL_DSP_GETISPACE		_SIOR ('P',13, audio_buf_info) 
#define SNDCTL_DSP_NONBLOCK		_SIO  ('P',14) 
#define SNDCTL_DSP_GETCAPS		_SIOR ('P',15, int) 
#	define DSP_CAP_REVISION		0x000000ff	/* Bits for revision level (0 to 255) */ 
#	define DSP_CAP_DUPLEX		0x00000100	/* Full duplex record/playback */ 
#	define DSP_CAP_REALTIME		0x00000200	/* Real time capability */ 
#	define DSP_CAP_BATCH		0x00000400	/* Device has some kind of */ 
							/* internal buffers which may */ 
							/* cause some delays and */ 
							/* decrease precision of timing */ 
#	define DSP_CAP_COPROC		0x00000800	/* Has a coprocessor */ 
							/* Sometimes it's a DSP */ 
							/* but usually not */ 
#	define DSP_CAP_TRIGGER		0x00001000	/* Supports SETTRIGGER */ 
#	define DSP_CAP_MMAP		0x00002000	/* Supports mmap() */ 
#	define DSP_CAP_MULTI		0x00004000	/* support multiple open */ 
#	define DSP_CAP_BIND		0x00008000	/* channel binding to front/rear/cneter/lfe */ 
 
 
#define SNDCTL_DSP_GETTRIGGER		_SIOR ('P',16, int) 
#define SNDCTL_DSP_SETTRIGGER		_SIOW ('P',16, int) 
#	define PCM_ENABLE_INPUT		0x00000001 
#	define PCM_ENABLE_OUTPUT		0x00000002 
 
typedef struct count_info { 
		int bytes;	/* Total # of bytes processed */ 
		int blocks;	/* # of fragment transitions since last time */ 
		int ptr;	/* Current DMA pointer value */ 
	} count_info; 
 
#define SNDCTL_DSP_GETIPTR		_SIOR ('P',17, count_info) 
#define SNDCTL_DSP_GETOPTR		_SIOR ('P',18, count_info) 
 
typedef struct buffmem_desc { 
		unsigned *buffer; 
		int size; 
	} buffmem_desc; 
#define SNDCTL_DSP_MAPINBUF		_SIOR ('P', 19, buffmem_desc) 
#define SNDCTL_DSP_MAPOUTBUF		_SIOR ('P', 20, buffmem_desc) 
#define SNDCTL_DSP_SETSYNCRO		_SIO  ('P', 21) 
#define SNDCTL_DSP_SETDUPLEX		_SIO  ('P', 22) 
#define SNDCTL_DSP_GETODELAY		_SIOR ('P', 23, int) 
 
#define SNDCTL_DSP_GETCHANNELMASK		_SIOWR('P', 64, int) 
#define SNDCTL_DSP_BIND_CHANNEL		_SIOWR('P', 65, int) 
#	define DSP_BIND_QUERY		0x00000000 
#	define DSP_BIND_FRONT		0x00000001 
#	define DSP_BIND_SURR		0x00000002 
#	define DSP_BIND_CENTER_LFE	0x00000004 
#	define DSP_BIND_HANDSET		0x00000008 
#	define DSP_BIND_MIC		0x00000010 
#	define DSP_BIND_MODEM1		0x00000020 
#	define DSP_BIND_MODEM2		0x00000040 
#	define DSP_BIND_I2S		0x00000080 
#	define DSP_BIND_SPDIF		0x00000100 
 
#define SNDCTL_DSP_SETSPDIF		_SIOW ('P', 66, int) 
#define SNDCTL_DSP_GETSPDIF		_SIOR ('P', 67, int) 
#	define SPDIF_PRO	0x0001 
#	define SPDIF_N_AUD	0x0002 
#	define SPDIF_COPY	0x0004 
#	define SPDIF_PRE	0x0008 
#	define SPDIF_CC		0x07f0 
#	define SPDIF_L		0x0800 
#	define SPDIF_DRS	0x4000 
#	define SPDIF_V		0x8000 
 
/* 
 * Application's profile defines the way how playback underrun situations should be handled. 
 *  
 *	APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 
 *	playback buffer whenever an underrun occurs. This consumes some time 
 *	prevents looping the existing buffer. 
 *	APF_CPUINTENS is intended to be set by CPU intensive applications which 
 *	are likely to run out of time occasionally. In this mode the buffer cleanup is 
 *	disabled which saves CPU time but also let's the previous buffer content to 
 *	be played during the "pause" after the underrun. 
 */ 
#define SNDCTL_DSP_PROFILE		_SIOW ('P', 23, int) 
#define	  APF_NORMAL	0	/* Normal applications */ 
#define	  APF_NETWORK	1	/* Underruns probably caused by an "external" delay */ 
#define   APF_CPUINTENS 2	/* Underruns probably caused by "overheating" the CPU */ 
 
#define SOUND_PCM_READ_RATE		_SIOR ('P', 2, int) 
#define SOUND_PCM_READ_CHANNELS		_SIOR ('P', 6, int) 
#define SOUND_PCM_READ_BITS		_SIOR ('P', 5, int) 
#define SOUND_PCM_READ_FILTER		_SIOR ('P', 7, int) 
 
/* Some alias names */ 
#define SOUND_PCM_WRITE_BITS		SNDCTL_DSP_SETFMT 
#define SOUND_PCM_WRITE_RATE		SNDCTL_DSP_SPEED 
#define SOUND_PCM_POST			SNDCTL_DSP_POST 
#define SOUND_PCM_RESET			SNDCTL_DSP_RESET 
#define SOUND_PCM_SYNC			SNDCTL_DSP_SYNC 
#define SOUND_PCM_SUBDIVIDE		SNDCTL_DSP_SUBDIVIDE 
#define SOUND_PCM_SETFRAGMENT		SNDCTL_DSP_SETFRAGMENT 
#define SOUND_PCM_GETFMTS		SNDCTL_DSP_GETFMTS 
#define SOUND_PCM_SETFMT		SNDCTL_DSP_SETFMT 
#define SOUND_PCM_GETOSPACE		SNDCTL_DSP_GETOSPACE 
#define SOUND_PCM_GETISPACE		SNDCTL_DSP_GETISPACE 
#define SOUND_PCM_NONBLOCK		SNDCTL_DSP_NONBLOCK 
#define SOUND_PCM_GETCAPS		SNDCTL_DSP_GETCAPS 
#define SOUND_PCM_GETTRIGGER		SNDCTL_DSP_GETTRIGGER 
#define SOUND_PCM_SETTRIGGER		SNDCTL_DSP_SETTRIGGER 
#define SOUND_PCM_SETSYNCRO		SNDCTL_DSP_SETSYNCRO 
#define SOUND_PCM_GETIPTR		SNDCTL_DSP_GETIPTR 
#define SOUND_PCM_GETOPTR		SNDCTL_DSP_GETOPTR 
#define SOUND_PCM_MAPINBUF		SNDCTL_DSP_MAPINBUF 
#define SOUND_PCM_MAPOUTBUF		SNDCTL_DSP_MAPOUTBUF 
 
/* 
 * ioctl calls to be used in communication with coprocessors and 
 * DSP chips. 
 */ 
 
typedef struct copr_buffer { 
		int command;	/* Set to 0 if not used */ 
		int flags; 
#define CPF_NONE		0x0000 
#define CPF_FIRST		0x0001	/* First block */ 
#define CPF_LAST		0x0002	/* Last block */ 
		int len; 
		int offs;	/* If required by the device (0 if not used) */ 
 
		unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 
	} copr_buffer; 
 
typedef struct copr_debug_buf { 
		int command;	/* Used internally. Set to 0 */ 
		int parm1; 
		int parm2; 
		int flags;	 
		int len;	/* Length of data in bytes */ 
	} copr_debug_buf; 
 
typedef struct copr_msg { 
		int len; 
		unsigned char data[4000]; 
	} copr_msg; 
 
#define SNDCTL_COPR_RESET             _SIO  ('C',  0) 
#define SNDCTL_COPR_LOAD	      _SIOWR('C',  1, copr_buffer) 
#define SNDCTL_COPR_RDATA	      _SIOWR('C',  2, copr_debug_buf) 
#define SNDCTL_COPR_RCODE	      _SIOWR('C',  3, copr_debug_buf) 
#define SNDCTL_COPR_WDATA	      _SIOW ('C',  4, copr_debug_buf) 
#define SNDCTL_COPR_WCODE	      _SIOW ('C',  5, copr_debug_buf) 
#define SNDCTL_COPR_RUN		      _SIOWR('C',  6, copr_debug_buf) 
#define SNDCTL_COPR_HALT	      _SIOWR('C',  7, copr_debug_buf) 
#define SNDCTL_COPR_SENDMSG	      _SIOWR('C',  8, copr_msg) 
#define SNDCTL_COPR_RCVMSG	      _SIOR ('C',  9, copr_msg) 
 
/********************************************* 
 * IOCTL commands for /dev/mixer 
 */ 
	 
/*  
 * Mixer devices 
 * 
 * There can be up to 20 different analog mixer channels. The 
 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.  
 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 
 * the devices supported by the particular mixer. 
 */ 
 
#define SOUND_MIXER_NRDEVICES	25 
#define SOUND_MIXER_VOLUME	0 
#define SOUND_MIXER_BASS	1 
#define SOUND_MIXER_TREBLE	2 
#define SOUND_MIXER_SYNTH	3 
#define SOUND_MIXER_PCM		4 
#define SOUND_MIXER_SPEAKER	5 
#define SOUND_MIXER_LINE	6 
#define SOUND_MIXER_MIC		7 
#define SOUND_MIXER_CD		8 
#define SOUND_MIXER_IMIX	9	/*  Recording monitor  */ 
#define SOUND_MIXER_ALTPCM	10 
#define SOUND_MIXER_RECLEV	11	/* Recording level */ 
#define SOUND_MIXER_IGAIN	12	/* Input gain */ 
#define SOUND_MIXER_OGAIN	13	/* Output gain */ 
/*  
 * The AD1848 codec and compatibles have three line level inputs 
 * (line, aux1 and aux2). Since each card manufacturer have assigned 
 * different meanings to these inputs, it's inpractical to assign 
 * specific meanings (line, cd, synth etc.) to them. 
 */ 
#define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */ 
#define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */ 
#define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */ 
#define SOUND_MIXER_DIGITAL1	17	/* Digital (input) 1 */ 
#define SOUND_MIXER_DIGITAL2	18	/* Digital (input) 2 */ 
#define SOUND_MIXER_DIGITAL3	19	/* Digital (input) 3 */ 
#define SOUND_MIXER_PHONEIN	20	/* Phone input */ 
#define SOUND_MIXER_PHONEOUT	21	/* Phone output */ 
#define SOUND_MIXER_VIDEO	22	/* Video/TV (audio) in */ 
#define SOUND_MIXER_RADIO	23	/* Radio in */ 
#define SOUND_MIXER_MONITOR	24	/* Monitor (usually mic) volume */ 
 
/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 
/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 
#define SOUND_ONOFF_MIN		28 
#define SOUND_ONOFF_MAX		30 
 
/* Note!	Number 31 cannot be used since the sign bit is reserved */ 
#define SOUND_MIXER_NONE	31 
 
/* 
 * The following unsupported macros are no longer functional. 
 * Use SOUND_MIXER_PRIVATE# macros in future. 
 */ 
#define SOUND_MIXER_ENHANCE	SOUND_MIXER_NONE 
#define SOUND_MIXER_MUTE	SOUND_MIXER_NONE 
#define SOUND_MIXER_LOUD	SOUND_MIXER_NONE 
 
 
#define SOUND_DEVICE_LABELS	{"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \ 
				 "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \ 
				 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 
				 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 
 
#define SOUND_DEVICE_NAMES	{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 
				 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 
				 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 
				 "phin", "phout", "video", "radio", "monitor"} 
 
/*	Device bitmask identifiers	*/ 
 
#define SOUND_MIXER_RECSRC	0xff	/* Arg contains a bit for each recording source */ 
#define SOUND_MIXER_DEVMASK	0xfe	/* Arg contains a bit for each supported device */ 
#define SOUND_MIXER_RECMASK	0xfd	/* Arg contains a bit for each supported recording source */ 
#define SOUND_MIXER_CAPS	0xfc 
#	define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only one recording source at a time */ 
#define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */ 
#define SOUND_MIXER_OUTSRC	0xfa	/* Arg contains a bit for each input source to output */ 
#define SOUND_MIXER_OUTMASK	0xf9	/* Arg contains a bit for each supported input source to output */ 
 
/*	Device mask bits	*/ 
 
#define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME) 
#define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS) 
#define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE) 
#define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH) 
#define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM) 
#define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER) 
#define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE) 
#define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC) 
#define SOUND_MASK_CD		(1 << SOUND_MIXER_CD) 
#define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX) 
#define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM) 
#define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV) 
#define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN) 
#define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN) 
#define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1) 
#define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2) 
#define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3) 
#define SOUND_MASK_DIGITAL1	(1 << SOUND_MIXER_DIGITAL1) 
#define SOUND_MASK_DIGITAL2	(1 << SOUND_MIXER_DIGITAL2) 
#define SOUND_MASK_DIGITAL3	(1 << SOUND_MIXER_DIGITAL3) 
#define SOUND_MASK_PHONEIN	(1 << SOUND_MIXER_PHONEIN) 
#define SOUND_MASK_PHONEOUT	(1 << SOUND_MIXER_PHONEOUT) 
#define SOUND_MASK_RADIO	(1 << SOUND_MIXER_RADIO) 
#define SOUND_MASK_VIDEO	(1 << SOUND_MIXER_VIDEO) 
#define SOUND_MASK_MONITOR	(1 << SOUND_MIXER_MONITOR) 
 
/* Obsolete macros */ 
#define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE) 
#define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE) 
#define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD) 
 
#define MIXER_READ(dev)		_SIOR('M', dev, int) 
#define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME) 
#define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS) 
#define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE) 
#define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH) 
#define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM) 
#define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER) 
#define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE) 
#define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC) 
#define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD) 
#define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX) 
#define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM) 
#define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV) 
#define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN) 
#define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN) 
#define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1) 
#define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2) 
#define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3) 
 
/* Obsolete macros */ 
#define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE) 
#define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE) 
#define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD) 
 
#define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC) 
#define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK) 
#define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK) 
#define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS) 
#define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS) 
 
#define MIXER_WRITE(dev)		_SIOWR('M', dev, int) 
#define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME) 
#define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS) 
#define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE) 
#define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH) 
#define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM) 
#define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER) 
#define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE) 
#define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC) 
#define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD) 
#define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX) 
#define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM) 
#define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV) 
#define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN) 
#define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN) 
#define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1) 
#define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2) 
#define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3) 
 
/* Obsolete macros */ 
#define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE) 
#define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE) 
#define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD) 
 
#define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC) 
 
typedef struct mixer_info 
{ 
  char id[16]; 
  char name[32]; 
  int  modify_counter; 
  int fillers[10]; 
} mixer_info; 
 
typedef struct _old_mixer_info /* Obsolete */ 
{ 
  char id[16]; 
  char name[32]; 
} _old_mixer_info; 
 
#define SOUND_MIXER_INFO		_SIOR ('M', 101, mixer_info) 
#define SOUND_OLD_MIXER_INFO		_SIOR ('M', 101, _old_mixer_info) 
 
/* 
 * A mechanism for accessing "proprietary" mixer features. This method 
 * permits passing 128 bytes of arbitrary data between a mixer application 
 * and the mixer driver. Interpretation of the record is defined by 
 * the particular mixer driver. 
 */ 
typedef unsigned char mixer_record[128]; 
 
#define SOUND_MIXER_ACCESS		_SIOWR('M', 102, mixer_record) 
 
/* 
 * Two ioctls for special souncard function 
 */ 
#define SOUND_MIXER_AGC  _SIOWR('M', 103, int) 
#define SOUND_MIXER_3DSE  _SIOWR('M', 104, int) 
 
/* 
 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 
 * These features can be used when accessing device specific features. 
 */ 
#define SOUND_MIXER_PRIVATE1		_SIOWR('M', 111, int) 
#define SOUND_MIXER_PRIVATE2		_SIOWR('M', 112, int) 
#define SOUND_MIXER_PRIVATE3		_SIOWR('M', 113, int) 
#define SOUND_MIXER_PRIVATE4		_SIOWR('M', 114, int) 
#define SOUND_MIXER_PRIVATE5		_SIOWR('M', 115, int) 
 
/* 
 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 
 * for querying current mixer settings from the driver and for loading 
 * default volume settings _prior_ activating the mixer (loading 
 * doesn't affect current state of the mixer hardware). These calls 
 * are for internal use only. 
 */ 
 
typedef struct mixer_vol_table { 
  int num;	/* Index to volume table */ 
  char name[32]; 
  int levels[32]; 
} mixer_vol_table; 
 
#define SOUND_MIXER_GETLEVELS		_SIOWR('M', 116, mixer_vol_table) 
#define SOUND_MIXER_SETLEVELS		_SIOWR('M', 117, mixer_vol_table) 
 
/*  
 * An ioctl for identifying the driver version. It will return value 
 * of the SOUND_VERSION macro used when compiling the driver. 
 * This call was introduced in OSS version 3.6 and it will not work 
 * with earlier versions (returns EINVAL). 
 */ 
#define OSS_GETVERSION			_SIOR ('M', 118, int) 
 
/* 
 * Level 2 event types for /dev/sequencer 
 */ 
 
/* 
 * The 4 most significant bits of byte 0 specify the class of 
 * the event:  
 * 
 *	0x8X = system level events, 
 *	0x9X = device/port specific events, event[1] = device/port, 
 *		The last 4 bits give the subtype: 
 *			0x02	= Channel event (event[3] = chn). 
 *			0x01	= note event (event[4] = note). 
 *			(0x01 is not used alone but always with bit 0x02). 
 *	       event[2] = MIDI message code (0x80=note off etc.) 
 * 
 */ 
 
#define EV_SEQ_LOCAL		0x80 
#define EV_TIMING		0x81 
#define EV_CHN_COMMON		0x92 
#define EV_CHN_VOICE		0x93 
#define EV_SYSEX		0x94 
/* 
 * Event types 200 to 220 are reserved for application use. 
 * These numbers will not be used by the driver. 
 */ 
 
/* 
 * Events for event type EV_CHN_VOICE 
 */ 
 
#define MIDI_NOTEOFF		0x80 
#define MIDI_NOTEON		0x90 
#define MIDI_KEY_PRESSURE	0xA0 
 
/* 
 * Events for event type EV_CHN_COMMON 
 */ 
 
#define MIDI_CTL_CHANGE		0xB0 
#define MIDI_PGM_CHANGE		0xC0 
#define MIDI_CHN_PRESSURE	0xD0 
#define MIDI_PITCH_BEND		0xE0 
 
#define MIDI_SYSTEM_PREFIX	0xF0 
 
/* 
 * Timer event types 
 */ 
#define TMR_WAIT_REL		1	/* Time relative to the prev time */ 
#define TMR_WAIT_ABS		2	/* Absolute time since TMR_START */ 
#define TMR_STOP		3 
#define TMR_START		4 
#define TMR_CONTINUE		5 
#define TMR_TEMPO		6 
#define TMR_ECHO		8 
#define TMR_CLOCK		9	/* MIDI clock */ 
#define TMR_SPP			10	/* Song position pointer */ 
#define TMR_TIMESIG		11	/* Time signature */ 
 
/* 
 *	Local event types 
 */ 
#define LOCL_STARTAUDIO		1 
 
/* 
 *	Some convenience macros to simplify programming of the 
 *	/dev/sequencer interface 
 * 
 *	This is a legacy interface for applications written against 
 *	the OSSlib-3.8 style interface. It is no longer possible 
 *	to actually link against OSSlib with this header, but we 
 *	still provide these macros for programs using them. 
 * 
 *	If you want to use OSSlib, it is recommended that you get 
 *	the GPL version of OSS-4.x and build against that version 
 *	of the header. 
 * 
 *	We redefine the extern keyword so that make headers_check 
 *	does not complain about SEQ_USE_EXTBUF. 
 */ 
#define SEQ_DECLAREBUF()		SEQ_USE_EXTBUF() 
 
void seqbuf_dump(void);	/* This function must be provided by programs */ 
 
#define SEQ_PM_DEFINES int __foo_bar___ 
 
#define SEQ_LOAD_GMINSTR(dev, instr) 
#define SEQ_LOAD_GMDRUM(dev, drum) 
 
#define _SEQ_EXTERN extern 
#define SEQ_USE_EXTBUF() \ 
		_SEQ_EXTERN unsigned char _seqbuf[]; \ 
		_SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr 
 
#ifndef USE_SIMPLE_MACROS 
/* Sample seqbuf_dump() implementation: 
 * 
 *	SEQ_DEFINEBUF (2048);	-- Defines a buffer for 2048 bytes 
 * 
 *	int seqfd;		-- The file descriptor for /dev/sequencer. 
 * 
 *	void 
 *	seqbuf_dump () 
 *	{ 
 *	  if (_seqbufptr) 
 *	    if (write (seqfd, _seqbuf, _seqbufptr) == -1) 
 *	      { 
 *		perror ("write /dev/sequencer"); 
 *		exit (-1); 
 *	      } 
 *	  _seqbufptr = 0; 
 *	} 
 */ 
 
#define SEQ_DEFINEBUF(len)		unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 
#define _SEQ_NEEDBUF(len)		if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 
#define _SEQ_ADVBUF(len)		_seqbufptr += len 
#define SEQ_DUMPBUF			seqbuf_dump 
#else 
/* 
 * This variation of the sequencer macros is used just to format one event 
 * using fixed buffer. 
 *  
 * The program using the macro library must define the following macros before 
 * using this library. 
 * 
 * #define _seqbuf 		 name of the buffer (unsigned char[])  
 * #define _SEQ_ADVBUF(len)	 If the applic needs to know the exact 
 *				 size of the event, this macro can be used. 
 *				 Otherwise this must be defined as empty. 
 * #define _seqbufptr		 Define the name of index variable or 0 if 
 *				 not required.  
 */ 
#define _SEQ_NEEDBUF(len)	/* empty */ 
#endif 
 
#define SEQ_VOLUME_MODE(dev, mode)	{_SEQ_NEEDBUF(8);\ 
					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 
					_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 
					_seqbuf[_seqbufptr+2] = (dev);\ 
					_seqbuf[_seqbufptr+3] = (mode);\ 
					_seqbuf[_seqbufptr+4] = 0;\ 
					_seqbuf[_seqbufptr+5] = 0;\ 
					_seqbuf[_seqbufptr+6] = 0;\ 
					_seqbuf[_seqbufptr+7] = 0;\ 
					_SEQ_ADVBUF(8);} 
 
/* 
 * Midi voice messages 
 */ 
 
#define _CHN_VOICE(dev, event, chn, note, parm) \ 
					{_SEQ_NEEDBUF(8);\ 
					_seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 
					_seqbuf[_seqbufptr+1] = (dev);\ 
					_seqbuf[_seqbufptr+2] = (event);\ 
					_seqbuf[_seqbufptr+3] = (chn);\ 
					_seqbuf[_seqbufptr+4] = (note);\ 
					_seqbuf[_seqbufptr+5] = (parm);\ 
					_seqbuf[_seqbufptr+6] = (0);\ 
					_seqbuf[_seqbufptr+7] = 0;\ 
					_SEQ_ADVBUF(8);} 
 
#define SEQ_START_NOTE(dev, chn, note, vol) \ 
		_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 
 
#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 
		_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 
 
#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 
		_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 
 
/* 
 * Midi channel messages 
 */ 
 
#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 
					{_SEQ_NEEDBUF(8);\ 
					_seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 
					_seqbuf[_seqbufptr+1] = (dev);\ 
					_seqbuf[_seqbufptr+2] = (event);\ 
					_seqbuf[_seqbufptr+3] = (chn);\ 
					_seqbuf[_seqbufptr+4] = (p1);\ 
					_seqbuf[_seqbufptr+5] = (p2);\ 
					*(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 
					_SEQ_ADVBUF(8);} 
/* 
 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 
 * sending any MIDI bytes but it's absolutely not possible. Trying to do 
 * so _will_ cause problems with MPU401 intelligent mode). 
 * 
 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be  
 * sent by calling SEQ_SYSEX() several times (there must be no other events 
 * between them). First sysex fragment must have 0xf0 in the first byte 
 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 
 * between these sysex start and end markers cannot be larger than 0x7f. Also 
 * lengths of each fragments (except the last one) must be 6. 
 * 
 * Breaking the above rules may work with some MIDI ports but is likely to 
 * cause fatal problems with some other devices (such as MPU401). 
 */ 
#define SEQ_SYSEX(dev, buf, len) \ 
					{int ii, ll=(len); \ 
					 unsigned char *bufp=buf;\ 
					 if (ll>6)ll=6;\ 
					_SEQ_NEEDBUF(8);\ 
					_seqbuf[_seqbufptr] = EV_SYSEX;\ 
					_seqbuf[_seqbufptr+1] = (dev);\ 
					for(ii=0;ii<ll;ii++)\ 
					   _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 
					for(ii=ll;ii<6;ii++)\ 
					   _seqbuf[_seqbufptr+ii+2] = 0xff;\ 
					_SEQ_ADVBUF(8);} 
 
#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 
		_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 
 
#define SEQ_SET_PATCH SEQ_PGM_CHANGE 
#define SEQ_PGM_CHANGE(dev, chn, patch) \ 
		_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 
 
#define SEQ_CONTROL(dev, chn, controller, value) \ 
		_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 
 
#define SEQ_BENDER(dev, chn, value) \ 
		_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 
 
 
#define SEQ_V2_X_CONTROL(dev, voice, controller, value)	{_SEQ_NEEDBUF(8);\ 
					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 
					_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 
					_seqbuf[_seqbufptr+2] = (dev);\ 
					_seqbuf[_seqbufptr+3] = (voice);\ 
					_seqbuf[_seqbufptr+4] = (controller);\ 
					_seqbuf[_seqbufptr+5] = ((value)&0xff);\ 
					_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 
					_seqbuf[_seqbufptr+7] = 0;\ 
					_SEQ_ADVBUF(8);} 
/* 
 * The following 5 macros are incorrectly implemented and obsolete. 
 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 
 */ 
#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 
#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 
#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 
 
/* 
 * Timing and synchronization macros 
 */ 
 
#define _TIMER_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\ 
				 	_seqbuf[_seqbufptr+0] = EV_TIMING; \ 
				 	_seqbuf[_seqbufptr+1] = (ev); \ 
					_seqbuf[_seqbufptr+2] = 0;\ 
					_seqbuf[_seqbufptr+3] = 0;\ 
				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 
					_SEQ_ADVBUF(8);} 
 
#define SEQ_START_TIMER()		_TIMER_EVENT(TMR_START, 0) 
#define SEQ_STOP_TIMER()		_TIMER_EVENT(TMR_STOP, 0) 
#define SEQ_CONTINUE_TIMER()		_TIMER_EVENT(TMR_CONTINUE, 0) 
#define SEQ_WAIT_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_ABS, ticks) 
#define SEQ_DELTA_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_REL, ticks) 
#define SEQ_ECHO_BACK(key)		_TIMER_EVENT(TMR_ECHO, key) 
#define SEQ_SET_TEMPO(value)		_TIMER_EVENT(TMR_TEMPO, value) 
#define SEQ_SONGPOS(pos)		_TIMER_EVENT(TMR_SPP, pos) 
#define SEQ_TIME_SIGNATURE(sig)		_TIMER_EVENT(TMR_TIMESIG, sig) 
 
/* 
 * Local control events 
 */ 
 
#define _LOCAL_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\ 
				 	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 
				 	_seqbuf[_seqbufptr+1] = (ev); \ 
					_seqbuf[_seqbufptr+2] = 0;\ 
					_seqbuf[_seqbufptr+3] = 0;\ 
				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 
					_SEQ_ADVBUF(8);} 
 
#define SEQ_PLAYAUDIO(devmask)		_LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 
/* 
 * Events for the level 1 interface only  
 */ 
 
#define SEQ_MIDIOUT(device, byte)	{_SEQ_NEEDBUF(4);\ 
					_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 
					_seqbuf[_seqbufptr+1] = (byte);\ 
					_seqbuf[_seqbufptr+2] = (device);\ 
					_seqbuf[_seqbufptr+3] = 0;\ 
					_SEQ_ADVBUF(4);} 
 
/* 
 * Patch loading. 
 */ 
#define SEQ_WRPATCH(patchx, len) \ 
		{if (_seqbufptr) SEQ_DUMPBUF();\ 
		 if (write(seqfd, (char*)(patchx), len)==-1) \ 
		    perror("Write patch: /dev/sequencer");} 
#define SEQ_WRPATCH2(patchx, len) \ 
		(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 
 
#endif /* SOUNDCARD_H */