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      1 #ifndef SOUNDCARD_H
      2 #define SOUNDCARD_H
      3 /*
      4  * Copyright by Hannu Savolainen 1993-1997
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions are
      8  * met: 1. Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer. 2.
     10  * Redistributions in binary form must reproduce the above copyright notice,
     11  * this list of conditions and the following disclaimer in the documentation
     12  * and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     24  * SUCH DAMAGE.
     25  */
     26 
     27 
     28 /*
     29  * OSS interface version. With versions earlier than 3.6 this value is
     30  * an integer with value less than 361. In versions 3.6 and later
     31  * it's a six digit hexadecimal value. For example value
     32  * of 0x030600 represents OSS version 3.6.0.
     33  * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
     34  * the currently active driver.
     35  */
     36 #define SOUND_VERSION	0x030802
     37 #define OPEN_SOUND_SYSTEM
     38 
     39 /* In Linux we need to be prepared for cross compiling */
     40 #include <linux/ioctl.h>
     41 
     42 /* Endian macros. */
     43 #  include <endian.h>
     44 
     45 /*
     46  *	Supported card ID numbers (Should be somewhere else?)
     47  */
     48 
     49 #define SNDCARD_ADLIB		1
     50 #define SNDCARD_SB		2
     51 #define SNDCARD_PAS		3
     52 #define SNDCARD_GUS		4
     53 #define SNDCARD_MPU401		5
     54 #define SNDCARD_SB16		6
     55 #define SNDCARD_SB16MIDI	7
     56 #define SNDCARD_UART6850	8
     57 #define SNDCARD_GUS16		9
     58 #define SNDCARD_MSS		10
     59 #define SNDCARD_PSS     	11
     60 #define SNDCARD_SSCAPE		12
     61 #define SNDCARD_PSS_MPU     	13
     62 #define SNDCARD_PSS_MSS     	14
     63 #define SNDCARD_SSCAPE_MSS	15
     64 #define SNDCARD_TRXPRO		16
     65 #define SNDCARD_TRXPRO_SB	17
     66 #define SNDCARD_TRXPRO_MPU	18
     67 #define SNDCARD_MAD16		19
     68 #define SNDCARD_MAD16_MPU	20
     69 #define SNDCARD_CS4232		21
     70 #define SNDCARD_CS4232_MPU	22
     71 #define SNDCARD_MAUI		23
     72 #define SNDCARD_PSEUDO_MSS	24
     73 #define SNDCARD_GUSPNP		25
     74 #define SNDCARD_UART401		26
     75 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
     76 
     77 /***********************************
     78  * IOCTL Commands for /dev/sequencer
     79  */
     80 
     81 #ifndef _SIOWR
     82 #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
     83 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
     84 #define	SIOCPARM_MASK	IOCPARM_MASK
     85 #define	SIOC_VOID	IOC_VOID
     86 #define	SIOC_OUT	IOC_OUT
     87 #define	SIOC_IN		IOC_IN
     88 #define	SIOC_INOUT	IOC_INOUT
     89 #define _SIOC_SIZE	_IOC_SIZE
     90 #define _SIOC_DIR	_IOC_DIR
     91 #define _SIOC_NONE	_IOC_NONE
     92 #define _SIOC_READ	_IOC_READ
     93 #define _SIOC_WRITE	_IOC_WRITE
     94 #define	_SIO		_IO
     95 #define	_SIOR		_IOR
     96 #define	_SIOW		_IOW
     97 #define	_SIOWR		_IOWR
     98 #else
     99 
    100 /* Ioctl's have the command encoded in the lower word,
    101  * and the size of any in or out parameters in the upper
    102  * word.  The high 2 bits of the upper word are used
    103  * to encode the in/out status of the parameter; for now
    104  * we restrict parameters to at most 8191 bytes.
    105  */
    106 /* #define	SIOCTYPE		(0xff<<8) */
    107 #define	SIOCPARM_MASK	0x1fff		/* parameters must be < 8192 bytes */
    108 #define	SIOC_VOID	0x00000000	/* no parameters */
    109 #define	SIOC_OUT	0x20000000	/* copy out parameters */
    110 #define	SIOC_IN		0x40000000	/* copy in parameters */
    111 #define	SIOC_INOUT	(SIOC_IN|SIOC_OUT)
    112 /* the 0x20000000 is so we can distinguish new ioctl's from old */
    113 #define	_SIO(x,y)	((int)(SIOC_VOID|(x<<8)|y))
    114 #define	_SIOR(x,y,t)	((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
    115 #define	_SIOW(x,y,t)	((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
    116 /* this should be _SIORW, but stdio got there first */
    117 #define	_SIOWR(x,y,t)	((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
    118 #define _SIOC_SIZE(x)	((x>>16)&SIOCPARM_MASK)
    119 #define _SIOC_DIR(x)	(x & 0xf0000000)
    120 #define _SIOC_NONE	SIOC_VOID
    121 #define _SIOC_READ	SIOC_OUT
    122 #define _SIOC_WRITE	SIOC_IN
    123 #  endif /* _IOWR */
    124 #endif  /* !_SIOWR */
    125 
    126 #define SNDCTL_SEQ_RESET		_SIO  ('Q', 0)
    127 #define SNDCTL_SEQ_SYNC			_SIO  ('Q', 1)
    128 #define SNDCTL_SYNTH_INFO		_SIOWR('Q', 2, struct synth_info)
    129 #define SNDCTL_SEQ_CTRLRATE		_SIOWR('Q', 3, int)	/* Set/get timer resolution (HZ) */
    130 #define SNDCTL_SEQ_GETOUTCOUNT		_SIOR ('Q', 4, int)
    131 #define SNDCTL_SEQ_GETINCOUNT		_SIOR ('Q', 5, int)
    132 #define SNDCTL_SEQ_PERCMODE		_SIOW ('Q', 6, int)
    133 #define SNDCTL_FM_LOAD_INSTR		_SIOW ('Q', 7, struct sbi_instrument)	/* Obsolete. Don't use!!!!!! */
    134 #define SNDCTL_SEQ_TESTMIDI		_SIOW ('Q', 8, int)
    135 #define SNDCTL_SEQ_RESETSAMPLES		_SIOW ('Q', 9, int)
    136 #define SNDCTL_SEQ_NRSYNTHS		_SIOR ('Q',10, int)
    137 #define SNDCTL_SEQ_NRMIDIS		_SIOR ('Q',11, int)
    138 #define SNDCTL_MIDI_INFO		_SIOWR('Q',12, struct midi_info)
    139 #define SNDCTL_SEQ_THRESHOLD		_SIOW ('Q',13, int)
    140 #define SNDCTL_SYNTH_MEMAVL		_SIOWR('Q',14, int)	/* in=dev#, out=memsize */
    141 #define SNDCTL_FM_4OP_ENABLE		_SIOW ('Q',15, int)	/* in=dev# */
    142 #define SNDCTL_SEQ_PANIC		_SIO  ('Q',17)
    143 #define SNDCTL_SEQ_OUTOFBAND		_SIOW ('Q',18, struct seq_event_rec)
    144 #define SNDCTL_SEQ_GETTIME		_SIOR ('Q',19, int)
    145 #define SNDCTL_SYNTH_ID			_SIOWR('Q',20, struct synth_info)
    146 #define SNDCTL_SYNTH_CONTROL		_SIOWR('Q',21, struct synth_control)
    147 #define SNDCTL_SYNTH_REMOVESAMPLE	_SIOWR('Q',22, struct remove_sample)
    148 
    149 typedef struct synth_control
    150 {
    151 	int devno;	/* Synthesizer # */
    152 	char data[4000]; /* Device spesific command/data record */
    153 }synth_control;
    154 
    155 typedef struct remove_sample
    156 {
    157 	int devno;	/* Synthesizer # */
    158 	int bankno;	/* MIDI bank # (0=General MIDI) */
    159 	int instrno;	/* MIDI instrument number */
    160 } remove_sample;
    161 
    162 typedef struct seq_event_rec {
    163 		unsigned char arr[8];
    164 } seq_event_rec;
    165 
    166 #define SNDCTL_TMR_TIMEBASE		_SIOWR('T', 1, int)
    167 #define SNDCTL_TMR_START		_SIO  ('T', 2)
    168 #define SNDCTL_TMR_STOP			_SIO  ('T', 3)
    169 #define SNDCTL_TMR_CONTINUE		_SIO  ('T', 4)
    170 #define SNDCTL_TMR_TEMPO		_SIOWR('T', 5, int)
    171 #define SNDCTL_TMR_SOURCE		_SIOWR('T', 6, int)
    172 #	define TMR_INTERNAL		0x00000001
    173 #	define TMR_EXTERNAL		0x00000002
    174 #		define TMR_MODE_MIDI	0x00000010
    175 #		define TMR_MODE_FSK	0x00000020
    176 #		define TMR_MODE_CLS	0x00000040
    177 #		define TMR_MODE_SMPTE	0x00000080
    178 #define SNDCTL_TMR_METRONOME		_SIOW ('T', 7, int)
    179 #define SNDCTL_TMR_SELECT		_SIOW ('T', 8, int)
    180 
    181 /*
    182  * Some big endian/little endian handling macros
    183  */
    184 
    185 #define _LINUX_PATCHKEY_H_INDIRECT
    186 #include <linux/patchkey.h>
    187 #undef _LINUX_PATCHKEY_H_INDIRECT
    188 
    189 #if   defined(__BYTE_ORDER)
    190 #  if __BYTE_ORDER == __BIG_ENDIAN
    191 #    define AFMT_S16_NE AFMT_S16_BE
    192 #  elif __BYTE_ORDER == __LITTLE_ENDIAN
    193 #    define AFMT_S16_NE AFMT_S16_LE
    194 #  else
    195 #    error "could not determine byte order"
    196 #  endif
    197 #endif
    198 
    199 /*
    200  *	Sample loading mechanism for internal synthesizers (/dev/sequencer)
    201  *	The following patch_info structure has been designed to support
    202  *	Gravis UltraSound. It tries to be universal format for uploading
    203  *	sample based patches but is probably too limited.
    204  *
    205  *      (PBD) As Hannu guessed, the GUS structure is too limited for
    206  *      the WaveFront, but this is the right place for a constant definition.
    207  */
    208 
    209 struct patch_info {
    210 		unsigned short key;		/* Use WAVE_PATCH here */
    211 #define WAVE_PATCH	   _PATCHKEY(0x04)
    212 #define GUS_PATCH	   WAVE_PATCH
    213 #define WAVEFRONT_PATCH    _PATCHKEY(0x06)
    214 
    215 		short device_no;	/* Synthesizer number */
    216 		short instr_no;		/* Midi pgm# */
    217 
    218 		unsigned int mode;
    219 /*
    220  * The least significant byte has the same format than the GUS .PAT
    221  * files
    222  */
    223 #define WAVE_16_BITS	0x01	/* bit 0 = 8 or 16 bit wave data. */
    224 #define WAVE_UNSIGNED	0x02	/* bit 1 = Signed - Unsigned data. */
    225 #define WAVE_LOOPING	0x04	/* bit 2 = looping enabled-1. */
    226 #define WAVE_BIDIR_LOOP	0x08	/* bit 3 = Set is bidirectional looping. */
    227 #define WAVE_LOOP_BACK	0x10	/* bit 4 = Set is looping backward. */
    228 #define WAVE_SUSTAIN_ON	0x20	/* bit 5 = Turn sustaining on. (Env. pts. 3)*/
    229 #define WAVE_ENVELOPES	0x40	/* bit 6 = Enable envelopes - 1 */
    230 #define WAVE_FAST_RELEASE 0x80	/* bit 7 = Shut off immediately after note off */
    231 				/* 	(use the env_rate/env_offs fields). */
    232 /* Linux specific bits */
    233 #define WAVE_VIBRATO	0x00010000	/* The vibrato info is valid */
    234 #define WAVE_TREMOLO	0x00020000	/* The tremolo info is valid */
    235 #define WAVE_SCALE	0x00040000	/* The scaling info is valid */
    236 #define WAVE_FRACTIONS	0x00080000	/* Fraction information is valid */
    237 /* Reserved bits */
    238 #define WAVE_ROM	0x40000000	/* For future use */
    239 #define WAVE_MULAW	0x20000000	/* For future use */
    240 /* Other bits must be zeroed */
    241 
    242 		int len;	/* Size of the wave data in bytes */
    243 		int loop_start, loop_end; /* Byte offsets from the beginning */
    244 
    245 /*
    246  * The base_freq and base_note fields are used when computing the
    247  * playback speed for a note. The base_note defines the tone frequency
    248  * which is heard if the sample is played using the base_freq as the
    249  * playback speed.
    250  *
    251  * The low_note and high_note fields define the minimum and maximum note
    252  * frequencies for which this sample is valid. It is possible to define
    253  * more than one samples for an instrument number at the same time. The
    254  * low_note and high_note fields are used to select the most suitable one.
    255  *
    256  * The fields base_note, high_note and low_note should contain
    257  * the note frequency multiplied by 1000. For example value for the
    258  * middle A is 440*1000.
    259  */
    260 
    261 		unsigned int base_freq;
    262 		unsigned int base_note;
    263 		unsigned int high_note;
    264 		unsigned int low_note;
    265 		int panning;	/* -128=left, 127=right */
    266 		int detuning;
    267 
    268 /*	New fields introduced in version 1.99.5	*/
    269 
    270        /* Envelope. Enabled by mode bit WAVE_ENVELOPES	*/
    271 		unsigned char	env_rate[ 6 ];	 /* GUS HW ramping rate */
    272 		unsigned char	env_offset[ 6 ]; /* 255 == 100% */
    273 
    274 	/*
    275 	 * The tremolo, vibrato and scale info are not supported yet.
    276 	 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
    277 	 * WAVE_SCALE
    278 	 */
    279 
    280 		unsigned char	tremolo_sweep;
    281 		unsigned char	tremolo_rate;
    282 		unsigned char	tremolo_depth;
    283 
    284 		unsigned char	vibrato_sweep;
    285 		unsigned char	vibrato_rate;
    286 		unsigned char	vibrato_depth;
    287 
    288 		int		scale_frequency;
    289 		unsigned int	scale_factor;		/* from 0 to 2048 or 0 to 2 */
    290 
    291 	        int		volume;
    292 		int		fractions;
    293 		int		reserved1;
    294 	        int		spare[2];
    295 		char data[1];	/* The waveform data starts here */
    296 	};
    297 
    298 struct sysex_info {
    299 		short key;		/* Use SYSEX_PATCH or MAUI_PATCH here */
    300 #define SYSEX_PATCH	_PATCHKEY(0x05)
    301 #define MAUI_PATCH	_PATCHKEY(0x06)
    302 		short device_no;	/* Synthesizer number */
    303 		int len;	/* Size of the sysex data in bytes */
    304 		unsigned char data[1];	/* Sysex data starts here */
    305 	};
    306 
    307 /*
    308  * /dev/sequencer input events.
    309  *
    310  * The data written to the /dev/sequencer is a stream of events. Events
    311  * are records of 4 or 8 bytes. The first byte defines the size.
    312  * Any number of events can be written with a write call. There
    313  * is a set of macros for sending these events. Use these macros if you
    314  * want to maximize portability of your program.
    315  *
    316  * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
    317  * (All input events are currently 4 bytes long. Be prepared to support
    318  * 8 byte events also. If you receive any event having first byte >= 128,
    319  * it's a 8 byte event.
    320  *
    321  * The events are documented at the end of this file.
    322  *
    323  * Normal events (4 bytes)
    324  * There is also a 8 byte version of most of the 4 byte events. The
    325  * 8 byte one is recommended.
    326  */
    327 #define SEQ_NOTEOFF		0
    328 #define SEQ_FMNOTEOFF		SEQ_NOTEOFF	/* Just old name */
    329 #define SEQ_NOTEON		1
    330 #define	SEQ_FMNOTEON		SEQ_NOTEON
    331 #define SEQ_WAIT		TMR_WAIT_ABS
    332 #define SEQ_PGMCHANGE		3
    333 #define SEQ_FMPGMCHANGE		SEQ_PGMCHANGE
    334 #define SEQ_SYNCTIMER		TMR_START
    335 #define SEQ_MIDIPUTC		5
    336 #define SEQ_DRUMON		6	/*** OBSOLETE ***/
    337 #define SEQ_DRUMOFF		7	/*** OBSOLETE ***/
    338 #define SEQ_ECHO		TMR_ECHO	/* For synching programs with output */
    339 #define SEQ_AFTERTOUCH		9
    340 #define SEQ_CONTROLLER		10
    341 
    342 /*******************************************
    343  *	Midi controller numbers
    344  *******************************************
    345  * Controllers 0 to 31 (0x00 to 0x1f) and
    346  * 32 to 63 (0x20 to 0x3f) are continuous
    347  * controllers.
    348  * In the MIDI 1.0 these controllers are sent using
    349  * two messages. Controller numbers 0 to 31 are used
    350  * to send the MSB and the controller numbers 32 to 63
    351  * are for the LSB. Note that just 7 bits are used in MIDI bytes.
    352  */
    353 
    354 #define	   CTL_BANK_SELECT		0x00
    355 #define	   CTL_MODWHEEL			0x01
    356 #define    CTL_BREATH			0x02
    357 /*		undefined		0x03 */
    358 #define    CTL_FOOT			0x04
    359 #define    CTL_PORTAMENTO_TIME		0x05
    360 #define    CTL_DATA_ENTRY		0x06
    361 #define    CTL_MAIN_VOLUME		0x07
    362 #define    CTL_BALANCE			0x08
    363 /*		undefined		0x09 */
    364 #define    CTL_PAN			0x0a
    365 #define    CTL_EXPRESSION		0x0b
    366 /*		undefined		0x0c */
    367 /*		undefined		0x0d */
    368 /*		undefined		0x0e */
    369 /*		undefined		0x0f */
    370 #define    CTL_GENERAL_PURPOSE1	0x10
    371 #define    CTL_GENERAL_PURPOSE2	0x11
    372 #define    CTL_GENERAL_PURPOSE3	0x12
    373 #define    CTL_GENERAL_PURPOSE4	0x13
    374 /*		undefined		0x14 - 0x1f */
    375 
    376 /*		undefined		0x20 */
    377 /* The controller numbers 0x21 to 0x3f are reserved for the */
    378 /* least significant bytes of the controllers 0x00 to 0x1f. */
    379 /* These controllers are not recognised by the driver. */
    380 
    381 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
    382 /* 0=OFF and 127=ON (intermediate values are possible) */
    383 #define    CTL_DAMPER_PEDAL		0x40
    384 #define    CTL_SUSTAIN			0x40	/* Alias */
    385 #define    CTL_HOLD			0x40	/* Alias */
    386 #define    CTL_PORTAMENTO		0x41
    387 #define    CTL_SOSTENUTO		0x42
    388 #define    CTL_SOFT_PEDAL		0x43
    389 /*		undefined		0x44 */
    390 #define    CTL_HOLD2			0x45
    391 /*		undefined		0x46 - 0x4f */
    392 
    393 #define    CTL_GENERAL_PURPOSE5	0x50
    394 #define    CTL_GENERAL_PURPOSE6	0x51
    395 #define    CTL_GENERAL_PURPOSE7	0x52
    396 #define    CTL_GENERAL_PURPOSE8	0x53
    397 /*		undefined		0x54 - 0x5a */
    398 #define    CTL_EXT_EFF_DEPTH		0x5b
    399 #define    CTL_TREMOLO_DEPTH		0x5c
    400 #define    CTL_CHORUS_DEPTH		0x5d
    401 #define    CTL_DETUNE_DEPTH		0x5e
    402 #define    CTL_CELESTE_DEPTH		0x5e	/* Alias for the above one */
    403 #define    CTL_PHASER_DEPTH		0x5f
    404 #define    CTL_DATA_INCREMENT		0x60
    405 #define    CTL_DATA_DECREMENT		0x61
    406 #define    CTL_NONREG_PARM_NUM_LSB	0x62
    407 #define    CTL_NONREG_PARM_NUM_MSB	0x63
    408 #define    CTL_REGIST_PARM_NUM_LSB	0x64
    409 #define    CTL_REGIST_PARM_NUM_MSB	0x65
    410 /*		undefined		0x66 - 0x78 */
    411 /*		reserved		0x79 - 0x7f */
    412 
    413 /* Pseudo controllers (not midi compatible) */
    414 #define    CTRL_PITCH_BENDER		255
    415 #define    CTRL_PITCH_BENDER_RANGE	254
    416 #define    CTRL_EXPRESSION		253	/* Obsolete */
    417 #define    CTRL_MAIN_VOLUME		252	/* Obsolete */
    418 #define SEQ_BALANCE		11
    419 #define SEQ_VOLMODE             12
    420 
    421 /*
    422  * Volume mode decides how volumes are used
    423  */
    424 
    425 #define VOL_METHOD_ADAGIO	1
    426 #define VOL_METHOD_LINEAR	2
    427 
    428 /*
    429  * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
    430  *	 input events.
    431  */
    432 
    433 /*
    434  * Event codes 0xf0 to 0xfc are reserved for future extensions.
    435  */
    436 
    437 #define SEQ_FULLSIZE		0xfd	/* Long events */
    438 /*
    439  *	SEQ_FULLSIZE events are used for loading patches/samples to the
    440  *	synthesizer devices. These events are passed directly to the driver
    441  *	of the associated synthesizer device. There is no limit to the size
    442  *	of the extended events. These events are not queued but executed
    443  *	immediately when the write() is called (execution can take several
    444  *	seconds of time).
    445  *
    446  *	When a SEQ_FULLSIZE message is written to the device, it must
    447  *	be written using exactly one write() call. Other events cannot
    448  *	be mixed to the same write.
    449  *
    450  *	For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
    451  *	/dev/sequencer. Don't write other data together with the instrument structure
    452  *	Set the key field of the structure to FM_PATCH. The device field is used to
    453  *	route the patch to the corresponding device.
    454  *
    455  *	For wave table use struct patch_info. Initialize the key field
    456  *      to WAVE_PATCH.
    457  */
    458 #define SEQ_PRIVATE		0xfe	/* Low level HW dependent events (8 bytes) */
    459 #define SEQ_EXTENDED		0xff	/* Extended events (8 bytes) OBSOLETE */
    460 
    461 /*
    462  * Record for FM patches
    463  */
    464 
    465 typedef unsigned char sbi_instr_data[32];
    466 
    467 struct sbi_instrument {
    468 		unsigned short	key;	/* FM_PATCH or OPL3_PATCH */
    469 #define FM_PATCH	_PATCHKEY(0x01)
    470 #define OPL3_PATCH	_PATCHKEY(0x03)
    471 		short		device;		/*	Synth# (0-4)	*/
    472 		int 		channel;	/*	Program# to be initialized 	*/
    473 		sbi_instr_data	operators;	/*	Register settings for operator cells (.SBI format)	*/
    474 	};
    475 
    476 struct synth_info {	/* Read only */
    477 		char	name[30];
    478 		int	device;		/* 0-N. INITIALIZE BEFORE CALLING */
    479 		int	synth_type;
    480 #define SYNTH_TYPE_FM			0
    481 #define SYNTH_TYPE_SAMPLE		1
    482 #define SYNTH_TYPE_MIDI			2	/* Midi interface */
    483 
    484 		int	synth_subtype;
    485 #define FM_TYPE_ADLIB			0x00
    486 #define FM_TYPE_OPL3			0x01
    487 #define MIDI_TYPE_MPU401		0x401
    488 
    489 #define SAMPLE_TYPE_BASIC		0x10
    490 #define SAMPLE_TYPE_GUS			SAMPLE_TYPE_BASIC
    491 #define SAMPLE_TYPE_WAVEFRONT           0x11
    492 
    493 		int	perc_mode;	/* No longer supported */
    494 		int	nr_voices;
    495 		int	nr_drums;	/* Obsolete field */
    496 		int	instr_bank_size;
    497 		unsigned int	capabilities;
    498 #define SYNTH_CAP_PERCMODE		0x00000001 /* No longer used */
    499 #define SYNTH_CAP_OPL3			0x00000002 /* Set if OPL3 supported */
    500 #define SYNTH_CAP_INPUT			0x00000004 /* Input (MIDI) device */
    501 		int	dummies[19];	/* Reserve space */
    502 	};
    503 
    504 struct sound_timer_info {
    505 		char name[32];
    506 		int caps;
    507 	};
    508 
    509 #define MIDI_CAP_MPU401		1		/* MPU-401 intelligent mode */
    510 
    511 struct midi_info {
    512 		char		name[30];
    513 		int		device;		/* 0-N. INITIALIZE BEFORE CALLING */
    514 		unsigned int	capabilities;	/* To be defined later */
    515 		int		dev_type;
    516 		int		dummies[18];	/* Reserve space */
    517 	};
    518 
    519 /********************************************
    520  * ioctl commands for the /dev/midi##
    521  */
    522 typedef struct {
    523 		unsigned char cmd;
    524 		char nr_args, nr_returns;
    525 		unsigned char data[30];
    526 	} mpu_command_rec;
    527 
    528 #define SNDCTL_MIDI_PRETIME		_SIOWR('m', 0, int)
    529 #define SNDCTL_MIDI_MPUMODE		_SIOWR('m', 1, int)
    530 #define SNDCTL_MIDI_MPUCMD		_SIOWR('m', 2, mpu_command_rec)
    531 
    532 /********************************************
    533  * IOCTL commands for /dev/dsp and /dev/audio
    534  */
    535 
    536 #define SNDCTL_DSP_RESET		_SIO  ('P', 0)
    537 #define SNDCTL_DSP_SYNC			_SIO  ('P', 1)
    538 #define SNDCTL_DSP_SPEED		_SIOWR('P', 2, int)
    539 #define SNDCTL_DSP_STEREO		_SIOWR('P', 3, int)
    540 #define SNDCTL_DSP_GETBLKSIZE		_SIOWR('P', 4, int)
    541 #define SNDCTL_DSP_SAMPLESIZE		SNDCTL_DSP_SETFMT
    542 #define SNDCTL_DSP_CHANNELS		_SIOWR('P', 6, int)
    543 #define SOUND_PCM_WRITE_CHANNELS	SNDCTL_DSP_CHANNELS
    544 #define SOUND_PCM_WRITE_FILTER		_SIOWR('P', 7, int)
    545 #define SNDCTL_DSP_POST			_SIO  ('P', 8)
    546 #define SNDCTL_DSP_SUBDIVIDE		_SIOWR('P', 9, int)
    547 #define SNDCTL_DSP_SETFRAGMENT		_SIOWR('P',10, int)
    548 
    549 /*	Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
    550 #define SNDCTL_DSP_GETFMTS		_SIOR ('P',11, int) /* Returns a mask */
    551 #define SNDCTL_DSP_SETFMT		_SIOWR('P',5, int) /* Selects ONE fmt*/
    552 #	define AFMT_QUERY		0x00000000	/* Return current fmt */
    553 #	define AFMT_MU_LAW		0x00000001
    554 #	define AFMT_A_LAW		0x00000002
    555 #	define AFMT_IMA_ADPCM		0x00000004
    556 #	define AFMT_U8			0x00000008
    557 #	define AFMT_S16_LE		0x00000010	/* Little endian signed 16*/
    558 #	define AFMT_S16_BE		0x00000020	/* Big endian signed 16 */
    559 #	define AFMT_S8			0x00000040
    560 #	define AFMT_U16_LE		0x00000080	/* Little endian U16 */
    561 #	define AFMT_U16_BE		0x00000100	/* Big endian U16 */
    562 #	define AFMT_MPEG		0x00000200	/* MPEG (2) audio */
    563 #	define AFMT_AC3		0x00000400	/* Dolby Digital AC3 */
    564 
    565 /*
    566  * Buffer status queries.
    567  */
    568 typedef struct audio_buf_info {
    569 			int fragments;	/* # of available fragments (partially usend ones not counted) */
    570 			int fragstotal;	/* Total # of fragments allocated */
    571 			int fragsize;	/* Size of a fragment in bytes */
    572 
    573 			int bytes;	/* Available space in bytes (includes partially used fragments) */
    574 			/* Note! 'bytes' could be more than fragments*fragsize */
    575 		} audio_buf_info;
    576 
    577 #define SNDCTL_DSP_GETOSPACE		_SIOR ('P',12, audio_buf_info)
    578 #define SNDCTL_DSP_GETISPACE		_SIOR ('P',13, audio_buf_info)
    579 #define SNDCTL_DSP_NONBLOCK		_SIO  ('P',14)
    580 #define SNDCTL_DSP_GETCAPS		_SIOR ('P',15, int)
    581 #	define DSP_CAP_REVISION		0x000000ff	/* Bits for revision level (0 to 255) */
    582 #	define DSP_CAP_DUPLEX		0x00000100	/* Full duplex record/playback */
    583 #	define DSP_CAP_REALTIME		0x00000200	/* Real time capability */
    584 #	define DSP_CAP_BATCH		0x00000400	/* Device has some kind of */
    585 							/* internal buffers which may */
    586 							/* cause some delays and */
    587 							/* decrease precision of timing */
    588 #	define DSP_CAP_COPROC		0x00000800	/* Has a coprocessor */
    589 							/* Sometimes it's a DSP */
    590 							/* but usually not */
    591 #	define DSP_CAP_TRIGGER		0x00001000	/* Supports SETTRIGGER */
    592 #	define DSP_CAP_MMAP		0x00002000	/* Supports mmap() */
    593 #	define DSP_CAP_MULTI		0x00004000	/* support multiple open */
    594 #	define DSP_CAP_BIND		0x00008000	/* channel binding to front/rear/cneter/lfe */
    595 
    596 
    597 #define SNDCTL_DSP_GETTRIGGER		_SIOR ('P',16, int)
    598 #define SNDCTL_DSP_SETTRIGGER		_SIOW ('P',16, int)
    599 #	define PCM_ENABLE_INPUT		0x00000001
    600 #	define PCM_ENABLE_OUTPUT		0x00000002
    601 
    602 typedef struct count_info {
    603 		int bytes;	/* Total # of bytes processed */
    604 		int blocks;	/* # of fragment transitions since last time */
    605 		int ptr;	/* Current DMA pointer value */
    606 	} count_info;
    607 
    608 #define SNDCTL_DSP_GETIPTR		_SIOR ('P',17, count_info)
    609 #define SNDCTL_DSP_GETOPTR		_SIOR ('P',18, count_info)
    610 
    611 typedef struct buffmem_desc {
    612 		unsigned *buffer;
    613 		int size;
    614 	} buffmem_desc;
    615 #define SNDCTL_DSP_MAPINBUF		_SIOR ('P', 19, buffmem_desc)
    616 #define SNDCTL_DSP_MAPOUTBUF		_SIOR ('P', 20, buffmem_desc)
    617 #define SNDCTL_DSP_SETSYNCRO		_SIO  ('P', 21)
    618 #define SNDCTL_DSP_SETDUPLEX		_SIO  ('P', 22)
    619 #define SNDCTL_DSP_GETODELAY		_SIOR ('P', 23, int)
    620 
    621 #define SNDCTL_DSP_GETCHANNELMASK		_SIOWR('P', 64, int)
    622 #define SNDCTL_DSP_BIND_CHANNEL		_SIOWR('P', 65, int)
    623 #	define DSP_BIND_QUERY		0x00000000
    624 #	define DSP_BIND_FRONT		0x00000001
    625 #	define DSP_BIND_SURR		0x00000002
    626 #	define DSP_BIND_CENTER_LFE	0x00000004
    627 #	define DSP_BIND_HANDSET		0x00000008
    628 #	define DSP_BIND_MIC		0x00000010
    629 #	define DSP_BIND_MODEM1		0x00000020
    630 #	define DSP_BIND_MODEM2		0x00000040
    631 #	define DSP_BIND_I2S		0x00000080
    632 #	define DSP_BIND_SPDIF		0x00000100
    633 
    634 #define SNDCTL_DSP_SETSPDIF		_SIOW ('P', 66, int)
    635 #define SNDCTL_DSP_GETSPDIF		_SIOR ('P', 67, int)
    636 #	define SPDIF_PRO	0x0001
    637 #	define SPDIF_N_AUD	0x0002
    638 #	define SPDIF_COPY	0x0004
    639 #	define SPDIF_PRE	0x0008
    640 #	define SPDIF_CC		0x07f0
    641 #	define SPDIF_L		0x0800
    642 #	define SPDIF_DRS	0x4000
    643 #	define SPDIF_V		0x8000
    644 
    645 /*
    646  * Application's profile defines the way how playback underrun situations should be handled.
    647  *
    648  *	APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
    649  *	playback buffer whenever an underrun occurs. This consumes some time
    650  *	prevents looping the existing buffer.
    651  *	APF_CPUINTENS is intended to be set by CPU intensive applications which
    652  *	are likely to run out of time occasionally. In this mode the buffer cleanup is
    653  *	disabled which saves CPU time but also let's the previous buffer content to
    654  *	be played during the "pause" after the underrun.
    655  */
    656 #define SNDCTL_DSP_PROFILE		_SIOW ('P', 23, int)
    657 #define	  APF_NORMAL	0	/* Normal applications */
    658 #define	  APF_NETWORK	1	/* Underruns probably caused by an "external" delay */
    659 #define   APF_CPUINTENS 2	/* Underruns probably caused by "overheating" the CPU */
    660 
    661 #define SOUND_PCM_READ_RATE		_SIOR ('P', 2, int)
    662 #define SOUND_PCM_READ_CHANNELS		_SIOR ('P', 6, int)
    663 #define SOUND_PCM_READ_BITS		_SIOR ('P', 5, int)
    664 #define SOUND_PCM_READ_FILTER		_SIOR ('P', 7, int)
    665 
    666 /* Some alias names */
    667 #define SOUND_PCM_WRITE_BITS		SNDCTL_DSP_SETFMT
    668 #define SOUND_PCM_WRITE_RATE		SNDCTL_DSP_SPEED
    669 #define SOUND_PCM_POST			SNDCTL_DSP_POST
    670 #define SOUND_PCM_RESET			SNDCTL_DSP_RESET
    671 #define SOUND_PCM_SYNC			SNDCTL_DSP_SYNC
    672 #define SOUND_PCM_SUBDIVIDE		SNDCTL_DSP_SUBDIVIDE
    673 #define SOUND_PCM_SETFRAGMENT		SNDCTL_DSP_SETFRAGMENT
    674 #define SOUND_PCM_GETFMTS		SNDCTL_DSP_GETFMTS
    675 #define SOUND_PCM_SETFMT		SNDCTL_DSP_SETFMT
    676 #define SOUND_PCM_GETOSPACE		SNDCTL_DSP_GETOSPACE
    677 #define SOUND_PCM_GETISPACE		SNDCTL_DSP_GETISPACE
    678 #define SOUND_PCM_NONBLOCK		SNDCTL_DSP_NONBLOCK
    679 #define SOUND_PCM_GETCAPS		SNDCTL_DSP_GETCAPS
    680 #define SOUND_PCM_GETTRIGGER		SNDCTL_DSP_GETTRIGGER
    681 #define SOUND_PCM_SETTRIGGER		SNDCTL_DSP_SETTRIGGER
    682 #define SOUND_PCM_SETSYNCRO		SNDCTL_DSP_SETSYNCRO
    683 #define SOUND_PCM_GETIPTR		SNDCTL_DSP_GETIPTR
    684 #define SOUND_PCM_GETOPTR		SNDCTL_DSP_GETOPTR
    685 #define SOUND_PCM_MAPINBUF		SNDCTL_DSP_MAPINBUF
    686 #define SOUND_PCM_MAPOUTBUF		SNDCTL_DSP_MAPOUTBUF
    687 
    688 /*
    689  * ioctl calls to be used in communication with coprocessors and
    690  * DSP chips.
    691  */
    692 
    693 typedef struct copr_buffer {
    694 		int command;	/* Set to 0 if not used */
    695 		int flags;
    696 #define CPF_NONE		0x0000
    697 #define CPF_FIRST		0x0001	/* First block */
    698 #define CPF_LAST		0x0002	/* Last block */
    699 		int len;
    700 		int offs;	/* If required by the device (0 if not used) */
    701 
    702 		unsigned char data[4000]; /* NOTE! 4000 is not 4k */
    703 	} copr_buffer;
    704 
    705 typedef struct copr_debug_buf {
    706 		int command;	/* Used internally. Set to 0 */
    707 		int parm1;
    708 		int parm2;
    709 		int flags;
    710 		int len;	/* Length of data in bytes */
    711 	} copr_debug_buf;
    712 
    713 typedef struct copr_msg {
    714 		int len;
    715 		unsigned char data[4000];
    716 	} copr_msg;
    717 
    718 #define SNDCTL_COPR_RESET             _SIO  ('C',  0)
    719 #define SNDCTL_COPR_LOAD	      _SIOWR('C',  1, copr_buffer)
    720 #define SNDCTL_COPR_RDATA	      _SIOWR('C',  2, copr_debug_buf)
    721 #define SNDCTL_COPR_RCODE	      _SIOWR('C',  3, copr_debug_buf)
    722 #define SNDCTL_COPR_WDATA	      _SIOW ('C',  4, copr_debug_buf)
    723 #define SNDCTL_COPR_WCODE	      _SIOW ('C',  5, copr_debug_buf)
    724 #define SNDCTL_COPR_RUN		      _SIOWR('C',  6, copr_debug_buf)
    725 #define SNDCTL_COPR_HALT	      _SIOWR('C',  7, copr_debug_buf)
    726 #define SNDCTL_COPR_SENDMSG	      _SIOWR('C',  8, copr_msg)
    727 #define SNDCTL_COPR_RCVMSG	      _SIOR ('C',  9, copr_msg)
    728 
    729 /*********************************************
    730  * IOCTL commands for /dev/mixer
    731  */
    732 
    733 /*
    734  * Mixer devices
    735  *
    736  * There can be up to 20 different analog mixer channels. The
    737  * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
    738  * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
    739  * the devices supported by the particular mixer.
    740  */
    741 
    742 #define SOUND_MIXER_NRDEVICES	25
    743 #define SOUND_MIXER_VOLUME	0
    744 #define SOUND_MIXER_BASS	1
    745 #define SOUND_MIXER_TREBLE	2
    746 #define SOUND_MIXER_SYNTH	3
    747 #define SOUND_MIXER_PCM		4
    748 #define SOUND_MIXER_SPEAKER	5
    749 #define SOUND_MIXER_LINE	6
    750 #define SOUND_MIXER_MIC		7
    751 #define SOUND_MIXER_CD		8
    752 #define SOUND_MIXER_IMIX	9	/*  Recording monitor  */
    753 #define SOUND_MIXER_ALTPCM	10
    754 #define SOUND_MIXER_RECLEV	11	/* Recording level */
    755 #define SOUND_MIXER_IGAIN	12	/* Input gain */
    756 #define SOUND_MIXER_OGAIN	13	/* Output gain */
    757 /*
    758  * The AD1848 codec and compatibles have three line level inputs
    759  * (line, aux1 and aux2). Since each card manufacturer have assigned
    760  * different meanings to these inputs, it's inpractical to assign
    761  * specific meanings (line, cd, synth etc.) to them.
    762  */
    763 #define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */
    764 #define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */
    765 #define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */
    766 #define SOUND_MIXER_DIGITAL1	17	/* Digital (input) 1 */
    767 #define SOUND_MIXER_DIGITAL2	18	/* Digital (input) 2 */
    768 #define SOUND_MIXER_DIGITAL3	19	/* Digital (input) 3 */
    769 #define SOUND_MIXER_PHONEIN	20	/* Phone input */
    770 #define SOUND_MIXER_PHONEOUT	21	/* Phone output */
    771 #define SOUND_MIXER_VIDEO	22	/* Video/TV (audio) in */
    772 #define SOUND_MIXER_RADIO	23	/* Radio in */
    773 #define SOUND_MIXER_MONITOR	24	/* Monitor (usually mic) volume */
    774 
    775 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
    776 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
    777 #define SOUND_ONOFF_MIN		28
    778 #define SOUND_ONOFF_MAX		30
    779 
    780 /* Note!	Number 31 cannot be used since the sign bit is reserved */
    781 #define SOUND_MIXER_NONE	31
    782 
    783 /*
    784  * The following unsupported macros are no longer functional.
    785  * Use SOUND_MIXER_PRIVATE# macros in future.
    786  */
    787 #define SOUND_MIXER_ENHANCE	SOUND_MIXER_NONE
    788 #define SOUND_MIXER_MUTE	SOUND_MIXER_NONE
    789 #define SOUND_MIXER_LOUD	SOUND_MIXER_NONE
    790 
    791 
    792 #define SOUND_DEVICE_LABELS	{"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
    793 				 "Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
    794 				 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
    795 				 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
    796 
    797 #define SOUND_DEVICE_NAMES	{"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
    798 				 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
    799 				 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
    800 				 "phin", "phout", "video", "radio", "monitor"}
    801 
    802 /*	Device bitmask identifiers	*/
    803 
    804 #define SOUND_MIXER_RECSRC	0xff	/* Arg contains a bit for each recording source */
    805 #define SOUND_MIXER_DEVMASK	0xfe	/* Arg contains a bit for each supported device */
    806 #define SOUND_MIXER_RECMASK	0xfd	/* Arg contains a bit for each supported recording source */
    807 #define SOUND_MIXER_CAPS	0xfc
    808 #	define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only one recording source at a time */
    809 #define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */
    810 #define SOUND_MIXER_OUTSRC	0xfa	/* Arg contains a bit for each input source to output */
    811 #define SOUND_MIXER_OUTMASK	0xf9	/* Arg contains a bit for each supported input source to output */
    812 
    813 /*	Device mask bits	*/
    814 
    815 #define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
    816 #define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
    817 #define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
    818 #define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
    819 #define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
    820 #define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
    821 #define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
    822 #define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
    823 #define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
    824 #define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
    825 #define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
    826 #define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
    827 #define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
    828 #define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
    829 #define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
    830 #define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
    831 #define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
    832 #define SOUND_MASK_DIGITAL1	(1 << SOUND_MIXER_DIGITAL1)
    833 #define SOUND_MASK_DIGITAL2	(1 << SOUND_MIXER_DIGITAL2)
    834 #define SOUND_MASK_DIGITAL3	(1 << SOUND_MIXER_DIGITAL3)
    835 #define SOUND_MASK_PHONEIN	(1 << SOUND_MIXER_PHONEIN)
    836 #define SOUND_MASK_PHONEOUT	(1 << SOUND_MIXER_PHONEOUT)
    837 #define SOUND_MASK_RADIO	(1 << SOUND_MIXER_RADIO)
    838 #define SOUND_MASK_VIDEO	(1 << SOUND_MIXER_VIDEO)
    839 #define SOUND_MASK_MONITOR	(1 << SOUND_MIXER_MONITOR)
    840 
    841 /* Obsolete macros */
    842 #define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
    843 #define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE)
    844 #define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD)
    845 
    846 #define MIXER_READ(dev)		_SIOR('M', dev, int)
    847 #define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
    848 #define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
    849 #define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
    850 #define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
    851 #define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
    852 #define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
    853 #define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
    854 #define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
    855 #define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
    856 #define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
    857 #define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
    858 #define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
    859 #define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
    860 #define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
    861 #define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
    862 #define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
    863 #define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)
    864 
    865 /* Obsolete macros */
    866 #define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
    867 #define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE)
    868 #define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD)
    869 
    870 #define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
    871 #define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
    872 #define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
    873 #define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
    874 #define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)
    875 
    876 #define MIXER_WRITE(dev)		_SIOWR('M', dev, int)
    877 #define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
    878 #define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
    879 #define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
    880 #define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
    881 #define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
    882 #define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
    883 #define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
    884 #define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
    885 #define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
    886 #define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
    887 #define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
    888 #define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
    889 #define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
    890 #define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
    891 #define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
    892 #define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
    893 #define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)
    894 
    895 /* Obsolete macros */
    896 #define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)
    897 #define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE)
    898 #define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD)
    899 
    900 #define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)
    901 
    902 typedef struct mixer_info
    903 {
    904   char id[16];
    905   char name[32];
    906   int  modify_counter;
    907   int fillers[10];
    908 } mixer_info;
    909 
    910 typedef struct _old_mixer_info /* Obsolete */
    911 {
    912   char id[16];
    913   char name[32];
    914 } _old_mixer_info;
    915 
    916 #define SOUND_MIXER_INFO		_SIOR ('M', 101, mixer_info)
    917 #define SOUND_OLD_MIXER_INFO		_SIOR ('M', 101, _old_mixer_info)
    918 
    919 /*
    920  * A mechanism for accessing "proprietary" mixer features. This method
    921  * permits passing 128 bytes of arbitrary data between a mixer application
    922  * and the mixer driver. Interpretation of the record is defined by
    923  * the particular mixer driver.
    924  */
    925 typedef unsigned char mixer_record[128];
    926 
    927 #define SOUND_MIXER_ACCESS		_SIOWR('M', 102, mixer_record)
    928 
    929 /*
    930  * Two ioctls for special souncard function
    931  */
    932 #define SOUND_MIXER_AGC  _SIOWR('M', 103, int)
    933 #define SOUND_MIXER_3DSE  _SIOWR('M', 104, int)
    934 
    935 /*
    936  * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
    937  * These features can be used when accessing device specific features.
    938  */
    939 #define SOUND_MIXER_PRIVATE1		_SIOWR('M', 111, int)
    940 #define SOUND_MIXER_PRIVATE2		_SIOWR('M', 112, int)
    941 #define SOUND_MIXER_PRIVATE3		_SIOWR('M', 113, int)
    942 #define SOUND_MIXER_PRIVATE4		_SIOWR('M', 114, int)
    943 #define SOUND_MIXER_PRIVATE5		_SIOWR('M', 115, int)
    944 
    945 /*
    946  * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
    947  * for querying current mixer settings from the driver and for loading
    948  * default volume settings _prior_ activating the mixer (loading
    949  * doesn't affect current state of the mixer hardware). These calls
    950  * are for internal use only.
    951  */
    952 
    953 typedef struct mixer_vol_table {
    954   int num;	/* Index to volume table */
    955   char name[32];
    956   int levels[32];
    957 } mixer_vol_table;
    958 
    959 #define SOUND_MIXER_GETLEVELS		_SIOWR('M', 116, mixer_vol_table)
    960 #define SOUND_MIXER_SETLEVELS		_SIOWR('M', 117, mixer_vol_table)
    961 
    962 /*
    963  * An ioctl for identifying the driver version. It will return value
    964  * of the SOUND_VERSION macro used when compiling the driver.
    965  * This call was introduced in OSS version 3.6 and it will not work
    966  * with earlier versions (returns EINVAL).
    967  */
    968 #define OSS_GETVERSION			_SIOR ('M', 118, int)
    969 
    970 /*
    971  * Level 2 event types for /dev/sequencer
    972  */
    973 
    974 /*
    975  * The 4 most significant bits of byte 0 specify the class of
    976  * the event:
    977  *
    978  *	0x8X = system level events,
    979  *	0x9X = device/port specific events, event[1] = device/port,
    980  *		The last 4 bits give the subtype:
    981  *			0x02	= Channel event (event[3] = chn).
    982  *			0x01	= note event (event[4] = note).
    983  *			(0x01 is not used alone but always with bit 0x02).
    984  *	       event[2] = MIDI message code (0x80=note off etc.)
    985  *
    986  */
    987 
    988 #define EV_SEQ_LOCAL		0x80
    989 #define EV_TIMING		0x81
    990 #define EV_CHN_COMMON		0x92
    991 #define EV_CHN_VOICE		0x93
    992 #define EV_SYSEX		0x94
    993 /*
    994  * Event types 200 to 220 are reserved for application use.
    995  * These numbers will not be used by the driver.
    996  */
    997 
    998 /*
    999  * Events for event type EV_CHN_VOICE
   1000  */
   1001 
   1002 #define MIDI_NOTEOFF		0x80
   1003 #define MIDI_NOTEON		0x90
   1004 #define MIDI_KEY_PRESSURE	0xA0
   1005 
   1006 /*
   1007  * Events for event type EV_CHN_COMMON
   1008  */
   1009 
   1010 #define MIDI_CTL_CHANGE		0xB0
   1011 #define MIDI_PGM_CHANGE		0xC0
   1012 #define MIDI_CHN_PRESSURE	0xD0
   1013 #define MIDI_PITCH_BEND		0xE0
   1014 
   1015 #define MIDI_SYSTEM_PREFIX	0xF0
   1016 
   1017 /*
   1018  * Timer event types
   1019  */
   1020 #define TMR_WAIT_REL		1	/* Time relative to the prev time */
   1021 #define TMR_WAIT_ABS		2	/* Absolute time since TMR_START */
   1022 #define TMR_STOP		3
   1023 #define TMR_START		4
   1024 #define TMR_CONTINUE		5
   1025 #define TMR_TEMPO		6
   1026 #define TMR_ECHO		8
   1027 #define TMR_CLOCK		9	/* MIDI clock */
   1028 #define TMR_SPP			10	/* Song position pointer */
   1029 #define TMR_TIMESIG		11	/* Time signature */
   1030 
   1031 /*
   1032  *	Local event types
   1033  */
   1034 #define LOCL_STARTAUDIO		1
   1035 
   1036 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
   1037 /*
   1038  *	Some convenience macros to simplify programming of the
   1039  *	/dev/sequencer interface
   1040  *
   1041  *	These macros define the API which should be used when possible.
   1042  */
   1043 #define SEQ_DECLAREBUF()		SEQ_USE_EXTBUF()
   1044 
   1045 void seqbuf_dump(void);	/* This function must be provided by programs */
   1046 
   1047 extern int OSS_init(int seqfd, int buflen);
   1048 extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
   1049 extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
   1050 extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
   1051 extern void OSS_patch_caching(int dev, int chn, int patch,
   1052 			      int fd, unsigned char *buf, int buflen);
   1053 extern void OSS_drum_caching(int dev, int chn, int patch,
   1054 			      int fd, unsigned char *buf, int buflen);
   1055 extern void OSS_write_patch(int fd, unsigned char *buf, int len);
   1056 extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
   1057 
   1058 #define SEQ_PM_DEFINES int __foo_bar___
   1059 #ifdef OSSLIB
   1060 #  define SEQ_USE_EXTBUF() \
   1061 		extern unsigned char *_seqbuf; \
   1062 		extern int _seqbuflen;extern int _seqbufptr
   1063 #  define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
   1064 #  define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
   1065 #  define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
   1066 #  define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
   1067 
   1068 #  define SEQ_LOAD_GMINSTR(dev, instr) \
   1069 		OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
   1070 #  define SEQ_LOAD_GMDRUM(dev, drum) \
   1071 		OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
   1072 #else /* !OSSLIB */
   1073 
   1074 #  define SEQ_LOAD_GMINSTR(dev, instr)
   1075 #  define SEQ_LOAD_GMDRUM(dev, drum)
   1076 
   1077 #  define SEQ_USE_EXTBUF() \
   1078 		extern unsigned char _seqbuf[]; \
   1079 		extern int _seqbuflen;extern int _seqbufptr
   1080 
   1081 #ifndef USE_SIMPLE_MACROS
   1082 /* Sample seqbuf_dump() implementation:
   1083  *
   1084  *	SEQ_DEFINEBUF (2048);	-- Defines a buffer for 2048 bytes
   1085  *
   1086  *	int seqfd;		-- The file descriptor for /dev/sequencer.
   1087  *
   1088  *	void
   1089  *	seqbuf_dump ()
   1090  *	{
   1091  *	  if (_seqbufptr)
   1092  *	    if (write (seqfd, _seqbuf, _seqbufptr) == -1)
   1093  *	      {
   1094  *		perror ("write /dev/sequencer");
   1095  *		exit (-1);
   1096  *	      }
   1097  *	  _seqbufptr = 0;
   1098  *	}
   1099  */
   1100 
   1101 #define SEQ_DEFINEBUF(len)		unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
   1102 #define _SEQ_NEEDBUF(len)		if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
   1103 #define _SEQ_ADVBUF(len)		_seqbufptr += len
   1104 #define SEQ_DUMPBUF			seqbuf_dump
   1105 #else
   1106 /*
   1107  * This variation of the sequencer macros is used just to format one event
   1108  * using fixed buffer.
   1109  *
   1110  * The program using the macro library must define the following macros before
   1111  * using this library.
   1112  *
   1113  * #define _seqbuf 		 name of the buffer (unsigned char[])
   1114  * #define _SEQ_ADVBUF(len)	 If the applic needs to know the exact
   1115  *				 size of the event, this macro can be used.
   1116  *				 Otherwise this must be defined as empty.
   1117  * #define _seqbufptr		 Define the name of index variable or 0 if
   1118  *				 not required.
   1119  */
   1120 #define _SEQ_NEEDBUF(len)	/* empty */
   1121 #endif
   1122 #endif /* !OSSLIB */
   1123 
   1124 #define SEQ_VOLUME_MODE(dev, mode)	{_SEQ_NEEDBUF(8);\
   1125 					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
   1126 					_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
   1127 					_seqbuf[_seqbufptr+2] = (dev);\
   1128 					_seqbuf[_seqbufptr+3] = (mode);\
   1129 					_seqbuf[_seqbufptr+4] = 0;\
   1130 					_seqbuf[_seqbufptr+5] = 0;\
   1131 					_seqbuf[_seqbufptr+6] = 0;\
   1132 					_seqbuf[_seqbufptr+7] = 0;\
   1133 					_SEQ_ADVBUF(8);}
   1134 
   1135 /*
   1136  * Midi voice messages
   1137  */
   1138 
   1139 #define _CHN_VOICE(dev, event, chn, note, parm) \
   1140 					{_SEQ_NEEDBUF(8);\
   1141 					_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
   1142 					_seqbuf[_seqbufptr+1] = (dev);\
   1143 					_seqbuf[_seqbufptr+2] = (event);\
   1144 					_seqbuf[_seqbufptr+3] = (chn);\
   1145 					_seqbuf[_seqbufptr+4] = (note);\
   1146 					_seqbuf[_seqbufptr+5] = (parm);\
   1147 					_seqbuf[_seqbufptr+6] = (0);\
   1148 					_seqbuf[_seqbufptr+7] = 0;\
   1149 					_SEQ_ADVBUF(8);}
   1150 
   1151 #define SEQ_START_NOTE(dev, chn, note, vol) \
   1152 		_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
   1153 
   1154 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
   1155 		_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
   1156 
   1157 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
   1158 		_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
   1159 
   1160 /*
   1161  * Midi channel messages
   1162  */
   1163 
   1164 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
   1165 					{_SEQ_NEEDBUF(8);\
   1166 					_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
   1167 					_seqbuf[_seqbufptr+1] = (dev);\
   1168 					_seqbuf[_seqbufptr+2] = (event);\
   1169 					_seqbuf[_seqbufptr+3] = (chn);\
   1170 					_seqbuf[_seqbufptr+4] = (p1);\
   1171 					_seqbuf[_seqbufptr+5] = (p2);\
   1172 					*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
   1173 					_SEQ_ADVBUF(8);}
   1174 /*
   1175  * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
   1176  * sending any MIDI bytes but it's absolutely not possible. Trying to do
   1177  * so _will_ cause problems with MPU401 intelligent mode).
   1178  *
   1179  * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
   1180  * sent by calling SEQ_SYSEX() several times (there must be no other events
   1181  * between them). First sysex fragment must have 0xf0 in the first byte
   1182  * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
   1183  * between these sysex start and end markers cannot be larger than 0x7f. Also
   1184  * lengths of each fragments (except the last one) must be 6.
   1185  *
   1186  * Breaking the above rules may work with some MIDI ports but is likely to
   1187  * cause fatal problems with some other devices (such as MPU401).
   1188  */
   1189 #define SEQ_SYSEX(dev, buf, len) \
   1190 					{int ii, ll=(len); \
   1191 					 unsigned char *bufp=buf;\
   1192 					 if (ll>6)ll=6;\
   1193 					_SEQ_NEEDBUF(8);\
   1194 					_seqbuf[_seqbufptr] = EV_SYSEX;\
   1195 					_seqbuf[_seqbufptr+1] = (dev);\
   1196 					for(ii=0;ii<ll;ii++)\
   1197 					   _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
   1198 					for(ii=ll;ii<6;ii++)\
   1199 					   _seqbuf[_seqbufptr+ii+2] = 0xff;\
   1200 					_SEQ_ADVBUF(8);}
   1201 
   1202 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
   1203 		_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
   1204 
   1205 #define SEQ_SET_PATCH SEQ_PGM_CHANGE
   1206 #ifdef OSSLIB
   1207 #   define SEQ_PGM_CHANGE(dev, chn, patch) \
   1208 		{OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
   1209 		 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
   1210 #else
   1211 #   define SEQ_PGM_CHANGE(dev, chn, patch) \
   1212 		_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
   1213 #endif
   1214 
   1215 #define SEQ_CONTROL(dev, chn, controller, value) \
   1216 		_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
   1217 
   1218 #define SEQ_BENDER(dev, chn, value) \
   1219 		_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
   1220 
   1221 
   1222 #define SEQ_V2_X_CONTROL(dev, voice, controller, value)	{_SEQ_NEEDBUF(8);\
   1223 					_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
   1224 					_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
   1225 					_seqbuf[_seqbufptr+2] = (dev);\
   1226 					_seqbuf[_seqbufptr+3] = (voice);\
   1227 					_seqbuf[_seqbufptr+4] = (controller);\
   1228 					_seqbuf[_seqbufptr+5] = ((value)&0xff);\
   1229 					_seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
   1230 					_seqbuf[_seqbufptr+7] = 0;\
   1231 					_SEQ_ADVBUF(8);}
   1232 /*
   1233  * The following 5 macros are incorrectly implemented and obsolete.
   1234  * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
   1235  */
   1236 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
   1237 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
   1238 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
   1239 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
   1240 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
   1241 
   1242 /*
   1243  * Timing and syncronization macros
   1244  */
   1245 
   1246 #define _TIMER_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\
   1247 				 	_seqbuf[_seqbufptr+0] = EV_TIMING; \
   1248 				 	_seqbuf[_seqbufptr+1] = (ev); \
   1249 					_seqbuf[_seqbufptr+2] = 0;\
   1250 					_seqbuf[_seqbufptr+3] = 0;\
   1251 				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
   1252 					_SEQ_ADVBUF(8);}
   1253 
   1254 #define SEQ_START_TIMER()		_TIMER_EVENT(TMR_START, 0)
   1255 #define SEQ_STOP_TIMER()		_TIMER_EVENT(TMR_STOP, 0)
   1256 #define SEQ_CONTINUE_TIMER()		_TIMER_EVENT(TMR_CONTINUE, 0)
   1257 #define SEQ_WAIT_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_ABS, ticks)
   1258 #define SEQ_DELTA_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_REL, ticks)
   1259 #define SEQ_ECHO_BACK(key)		_TIMER_EVENT(TMR_ECHO, key)
   1260 #define SEQ_SET_TEMPO(value)		_TIMER_EVENT(TMR_TEMPO, value)
   1261 #define SEQ_SONGPOS(pos)		_TIMER_EVENT(TMR_SPP, pos)
   1262 #define SEQ_TIME_SIGNATURE(sig)		_TIMER_EVENT(TMR_TIMESIG, sig)
   1263 
   1264 /*
   1265  * Local control events
   1266  */
   1267 
   1268 #define _LOCAL_EVENT(ev, parm)		{_SEQ_NEEDBUF(8);\
   1269 				 	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
   1270 				 	_seqbuf[_seqbufptr+1] = (ev); \
   1271 					_seqbuf[_seqbufptr+2] = 0;\
   1272 					_seqbuf[_seqbufptr+3] = 0;\
   1273 				 	*(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
   1274 					_SEQ_ADVBUF(8);}
   1275 
   1276 #define SEQ_PLAYAUDIO(devmask)		_LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
   1277 /*
   1278  * Events for the level 1 interface only
   1279  */
   1280 
   1281 #define SEQ_MIDIOUT(device, byte)	{_SEQ_NEEDBUF(4);\
   1282 					_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
   1283 					_seqbuf[_seqbufptr+1] = (byte);\
   1284 					_seqbuf[_seqbufptr+2] = (device);\
   1285 					_seqbuf[_seqbufptr+3] = 0;\
   1286 					_SEQ_ADVBUF(4);}
   1287 
   1288 /*
   1289  * Patch loading.
   1290  */
   1291 #ifdef OSSLIB
   1292 #   define SEQ_WRPATCH(patchx, len) \
   1293 		OSS_write_patch(seqfd, (char*)(patchx), len)
   1294 #   define SEQ_WRPATCH2(patchx, len) \
   1295 		OSS_write_patch2(seqfd, (char*)(patchx), len)
   1296 #else
   1297 #   define SEQ_WRPATCH(patchx, len) \
   1298 		{if (_seqbufptr) SEQ_DUMPBUF();\
   1299 		 if (write(seqfd, (char*)(patchx), len)==-1) \
   1300 		    perror("Write patch: /dev/sequencer");}
   1301 #   define SEQ_WRPATCH2(patchx, len) \
   1302 		(SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
   1303 #endif
   1304 
   1305 #endif
   1306 #endif
   1307