1/*
2 * soundcard.h
3 */
4
5/*-
6 * SPDX-License-Identifier: BSD-2-Clause
7 *
8 * Copyright by Hannu Savolainen 1993 / 4Front Technologies 1993-2006
9 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above
17 *    copyright notice, this list of conditions and the following
18 *    disclaimer in the documentation and/or other materials provided
19 *    with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
24 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR
25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37/*
38 * Unless coordinating changes with 4Front Technologies, do NOT make any
39 * modifications to ioctl commands, types, etc. that would break
40 * compatibility with the OSS API.
41 */
42
43#ifndef _SYS_SOUNDCARD_H_
44#define _SYS_SOUNDCARD_H_
45 /*
46  * If you make modifications to this file, please contact me before
47  * distributing the modified version. There is already enough
48  * diversity in the world.
49  *
50  * Regards,
51  * Hannu Savolainen
52  * hannu@voxware.pp.fi
53  *
54  **********************************************************************
55  * PS.	The Hacker's Guide to VoxWare available from
56  *     nic.funet.fi:pub/Linux/ALPHA/sound. The file is
57  *	snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
58  *	some useful information about programming with VoxWare.
59  *	(NOTE! The pub/Linux/ALPHA/ directories are hidden. You have
60  *	to cd inside them before the files are accessible.)
61  **********************************************************************
62  */
63
64/*
65 * SOUND_VERSION is only used by the voxware driver. Hopefully apps
66 * should not depend on it, but rather look at the capabilities
67 * of the driver in the kernel!
68 */
69#define SOUND_VERSION  301
70#define VOXWARE		/* does this have any use ? */
71
72/*
73 * Supported card ID numbers (Should be somewhere else? We keep
74 * them here just for compativility with the old driver, but these
75 * constants are of little or no use).
76 */
77
78#define SNDCARD_ADLIB          1
79#define SNDCARD_SB             2
80#define SNDCARD_PAS            3
81#define SNDCARD_GUS            4
82#define SNDCARD_MPU401         5
83#define SNDCARD_SB16           6
84#define SNDCARD_SB16MIDI       7
85#define SNDCARD_UART6850       8
86#define SNDCARD_GUS16          9
87#define SNDCARD_MSS            10
88#define SNDCARD_PSS            11
89#define SNDCARD_SSCAPE         12
90#define SNDCARD_PSS_MPU        13
91#define SNDCARD_PSS_MSS        14
92#define SNDCARD_SSCAPE_MSS     15
93#define SNDCARD_TRXPRO         16
94#define SNDCARD_TRXPRO_SB      17
95#define SNDCARD_TRXPRO_MPU     18
96#define SNDCARD_MAD16          19
97#define SNDCARD_MAD16_MPU      20
98#define SNDCARD_CS4232         21
99#define SNDCARD_CS4232_MPU     22
100#define SNDCARD_MAUI           23
101#define SNDCARD_PSEUDO_MSS     24
102#define SNDCARD_AWE32          25
103#define SNDCARD_NSS            26
104#define SNDCARD_UART16550      27
105#define SNDCARD_OPL            28
106
107#include <sys/types.h>
108#include <machine/endian.h>
109#ifndef _IOWR
110#include <sys/ioccom.h>
111#endif  /* !_IOWR */
112
113/*
114 * The first part of this file contains the new FreeBSD sound ioctl
115 * interface. Tries to minimize the number of different ioctls, and
116 * to be reasonably general.
117 *
118 * 970821: some of the new calls have not been implemented yet.
119 */
120
121/*
122 * the following three calls extend the generic file descriptor
123 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max
124 * number of bytes for a write operation to be non-blocking.
125 *
126 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device,
127 * from a character device (default) to a block device. In block mode,
128 * (not to be confused with blocking mode) the main difference for the
129 * application is that select() will return only when a complete
130 * block can be read/written to the device, whereas in character mode
131 * select will return true when one byte can be exchanged. For audio
132 * devices, character mode makes select almost useless since one byte
133 * will always be ready by the next sample time (which is often only a
134 * handful of microseconds away).
135 * Use a size of 0 or 1 to return to character mode.
136 */
137#define	AIONWRITE   _IOR('A', 10, int)   /* get # bytes to write */
138struct snd_size {
139    int play_size;
140    int rec_size;
141};
142#define	AIOGSIZE    _IOR('A', 11, struct snd_size)/* read current blocksize */
143#define	AIOSSIZE    _IOWR('A', 11, struct snd_size)  /* sets blocksize */
144
145/*
146 * The following constants define supported audio formats. The
147 * encoding follows voxware conventions, i.e. 1 bit for each supported
148 * format. We extend it by using bit 31 (RO) to indicate full-duplex
149 * capability, and bit 29 (RO) to indicate that the card supports/
150 * needs different formats on capture & playback channels.
151 * Bit 29 (RW) is used to indicate/ask stereo.
152 *
153 * The number of bits required to store the sample is:
154 *  o  4 bits for the IDA ADPCM format,
155 *  o  8 bits for 8-bit formats, mu-law and A-law,
156 *  o  16 bits for the 16-bit formats, and
157 *  o  32 bits for the 24/32-bit formats.
158 *  o  undefined for the MPEG audio format.
159 */
160
161#define AFMT_QUERY	0x00000000	/* Return current format */
162#define AFMT_MU_LAW	0x00000001	/* Logarithmic mu-law */
163#define AFMT_A_LAW	0x00000002	/* Logarithmic A-law */
164#define AFMT_IMA_ADPCM	0x00000004	/* A 4:1 compressed format where 16-bit
165					 * squence represented using the
166					 * the average 4 bits per sample */
167#define AFMT_U8		0x00000008	/* Unsigned 8-bit */
168#define AFMT_S16_LE	0x00000010	/* Little endian signed 16-bit */
169#define AFMT_S16_BE	0x00000020	/* Big endian signed 16-bit */
170#define AFMT_S8		0x00000040	/* Signed 8-bit */
171#define AFMT_U16_LE	0x00000080	/* Little endian unsigned 16-bit */
172#define AFMT_U16_BE	0x00000100	/* Big endian unsigned 16-bit */
173#define AFMT_MPEG	0x00000200	/* MPEG MP2/MP3 audio */
174#define AFMT_AC3	0x00000400	/* Dolby Digital AC3 */
175
176/*
177 * 32-bit formats below used for 24-bit audio data where the data is stored
178 * in the 24 most significant bits and the least significant bits are not used
179 * (should be set to 0).
180 */
181#define AFMT_S32_LE	0x00001000	/* Little endian signed 32-bit */
182#define AFMT_S32_BE	0x00002000	/* Big endian signed 32-bit */
183#define AFMT_U32_LE	0x00004000	/* Little endian unsigned 32-bit */
184#define AFMT_U32_BE	0x00008000	/* Big endian unsigned 32-bit */
185#define AFMT_S24_LE	0x00010000	/* Little endian signed 24-bit */
186#define AFMT_S24_BE	0x00020000	/* Big endian signed 24-bit */
187#define AFMT_U24_LE	0x00040000	/* Little endian unsigned 24-bit */
188#define AFMT_U24_BE	0x00080000	/* Big endian unsigned 24-bit */
189
190/* Machine dependent AFMT_* definitions. */
191#if BYTE_ORDER == LITTLE_ENDIAN
192#define AFMT_S16_NE	AFMT_S16_LE
193#define AFMT_S24_NE	AFMT_S24_LE
194#define AFMT_S32_NE	AFMT_S32_LE
195#define AFMT_U16_NE	AFMT_U16_LE
196#define AFMT_U24_NE	AFMT_U24_LE
197#define AFMT_U32_NE	AFMT_U32_LE
198#define AFMT_S16_OE	AFMT_S16_BE
199#define AFMT_S24_OE	AFMT_S24_BE
200#define AFMT_S32_OE	AFMT_S32_BE
201#define AFMT_U16_OE	AFMT_U16_BE
202#define AFMT_U24_OE	AFMT_U24_BE
203#define AFMT_U32_OE	AFMT_U32_BE
204#else
205#define AFMT_S16_OE	AFMT_S16_LE
206#define AFMT_S24_OE	AFMT_S24_LE
207#define AFMT_S32_OE	AFMT_S32_LE
208#define AFMT_U16_OE	AFMT_U16_LE
209#define AFMT_U24_OE	AFMT_U24_LE
210#define AFMT_U32_OE	AFMT_U32_LE
211#define AFMT_S16_NE	AFMT_S16_BE
212#define AFMT_S24_NE	AFMT_S24_BE
213#define AFMT_S32_NE	AFMT_S32_BE
214#define AFMT_U16_NE	AFMT_U16_BE
215#define AFMT_U24_NE	AFMT_U24_BE
216#define AFMT_U32_NE	AFMT_U32_BE
217#endif
218
219#define AFMT_STEREO	0x10000000	/* can do/want stereo	*/
220
221/*
222 * the following are really capabilities
223 */
224#define AFMT_WEIRD	0x20000000	/* weird hardware...	*/
225    /*
226     * AFMT_WEIRD reports that the hardware might need to operate
227     * with different formats in the playback and capture
228     * channels when operating in full duplex.
229     * As an example, SoundBlaster16 cards only support U8 in one
230     * direction and S16 in the other one, and applications should
231     * be aware of this limitation.
232     */
233#define AFMT_FULLDUPLEX	0x80000000	/* can do full duplex	*/
234
235/*
236 * The following structure is used to get/set format and sampling rate.
237 * While it would be better to have things such as stereo, bits per
238 * sample, endiannes, etc split in different variables, it turns out
239 * that formats are not that many, and not all combinations are possible.
240 * So we followed the Voxware approach of associating one bit to each
241 * format.
242 */
243
244typedef struct _snd_chan_param {
245    u_long	play_rate;	/* sampling rate			*/
246    u_long	rec_rate;	/* sampling rate			*/
247    u_long	play_format;	/* everything describing the format	*/
248    u_long	rec_format;	/* everything describing the format	*/
249} snd_chan_param;
250#define	AIOGFMT    _IOR('f', 12, snd_chan_param)   /* get format */
251#define	AIOSFMT    _IOWR('f', 12, snd_chan_param)  /* sets format */
252
253/*
254 * The following structure is used to get/set the mixer setting.
255 * Up to 32 mixers are supported, each one with up to 32 channels.
256 */
257typedef struct _snd_mix_param {
258    u_char	subdev;	/* which output				*/
259    u_char	line;	/* which input				*/
260    u_char	left,right; /* volumes, 0..255, 0 = mute	*/
261} snd_mix_param ;
262
263/* XXX AIOGMIX, AIOSMIX not implemented yet */
264#define AIOGMIX	_IOWR('A', 13, snd_mix_param)	/* return mixer status */
265#define AIOSMIX	_IOWR('A', 14, snd_mix_param)	/* sets mixer status   */
266
267/*
268 * channel specifiers used in AIOSTOP and AIOSYNC
269 */
270#define	AIOSYNC_PLAY	0x1	/* play chan */
271#define	AIOSYNC_CAPTURE	0x2	/* capture chan */
272/* AIOSTOP stop & flush a channel, returns the residual count */
273#define	AIOSTOP	_IOWR ('A', 15, int)
274
275/* alternate method used to notify the sync condition */
276#define	AIOSYNC_SIGNAL	0x100
277#define	AIOSYNC_SELECT	0x200
278
279/* what the 'pos' field refers to */
280#define AIOSYNC_READY	0x400
281#define AIOSYNC_FREE	0x800
282
283typedef struct _snd_sync_parm {
284    long chan ; /* play or capture channel, plus modifier */
285    long pos;
286} snd_sync_parm;
287#define	AIOSYNC	_IOWR ('A', 15, snd_sync_parm)	/* misc. synchronization */
288
289/*
290 * The following is used to return device capabilities. If the structure
291 * passed to the ioctl is zeroed, default values are returned for rate
292 * and formats, a bitmap of available mixers is returned, and values
293 * (inputs, different levels) for the first one are returned.
294 *
295 * If  formats, mixers, inputs are instantiated, then detailed info
296 * are returned depending on the call.
297 */
298typedef struct _snd_capabilities {
299    u_long	rate_min, rate_max;	/* min-max sampling rate */
300    u_long	formats;
301    u_long	bufsize; /* DMA buffer size */
302    u_long	mixers; /* bitmap of available mixers */
303    u_long	inputs; /* bitmap of available inputs (per mixer) */
304    u_short	left, right;	/* how many levels are supported */
305} snd_capabilities;
306#define AIOGCAP	_IOWR('A', 15, snd_capabilities)	/* get capabilities */
307
308/*
309 * here is the old (Voxware) ioctl interface
310 */
311
312/*
313 * IOCTL Commands for /dev/sequencer
314 */
315
316#define SNDCTL_SEQ_RESET	_IO  ('Q', 0)
317#define SNDCTL_SEQ_SYNC		_IO  ('Q', 1)
318#define SNDCTL_SYNTH_INFO	_IOWR('Q', 2, struct synth_info)
319#define SNDCTL_SEQ_CTRLRATE	_IOWR('Q', 3, int) /* Set/get timer res.(hz) */
320#define SNDCTL_SEQ_GETOUTCOUNT	_IOR ('Q', 4, int)
321#define SNDCTL_SEQ_GETINCOUNT	_IOR ('Q', 5, int)
322#define SNDCTL_SEQ_PERCMODE	_IOW ('Q', 6, int)
323#define SNDCTL_FM_LOAD_INSTR	_IOW ('Q', 7, struct sbi_instrument)	/* Valid for FM only */
324#define SNDCTL_SEQ_TESTMIDI	_IOW ('Q', 8, int)
325#define SNDCTL_SEQ_RESETSAMPLES	_IOW ('Q', 9, int)
326#define SNDCTL_SEQ_NRSYNTHS	_IOR ('Q',10, int)
327#define SNDCTL_SEQ_NRMIDIS	_IOR ('Q',11, int)
328#define SNDCTL_MIDI_INFO	_IOWR('Q',12, struct midi_info)
329#define SNDCTL_SEQ_THRESHOLD	_IOW ('Q',13, int)
330#define SNDCTL_SEQ_TRESHOLD	SNDCTL_SEQ_THRESHOLD	/* there was once a typo */
331#define SNDCTL_SYNTH_MEMAVL	_IOWR('Q',14, int) /* in=dev#, out=memsize */
332#define SNDCTL_FM_4OP_ENABLE	_IOW ('Q',15, int) /* in=dev# */
333#define SNDCTL_PMGR_ACCESS	_IOWR('Q',16, struct patmgr_info)
334#define SNDCTL_SEQ_PANIC	_IO  ('Q',17)
335#define SNDCTL_SEQ_OUTOFBAND	_IOW ('Q',18, struct seq_event_rec)
336#define SNDCTL_SEQ_GETTIME	_IOR ('Q',19, int)
337
338struct seq_event_rec {
339	u_char arr[8];
340};
341
342#define SNDCTL_TMR_TIMEBASE	_IOWR('T', 1, int)
343#define SNDCTL_TMR_START	_IO  ('T', 2)
344#define SNDCTL_TMR_STOP		_IO  ('T', 3)
345#define SNDCTL_TMR_CONTINUE	_IO  ('T', 4)
346#define SNDCTL_TMR_TEMPO	_IOWR('T', 5, int)
347#define SNDCTL_TMR_SOURCE	_IOWR('T', 6, int)
348#   define TMR_INTERNAL		0x00000001
349#   define TMR_EXTERNAL		0x00000002
350#	define TMR_MODE_MIDI	0x00000010
351#	define TMR_MODE_FSK	0x00000020
352#	define TMR_MODE_CLS	0x00000040
353#	define TMR_MODE_SMPTE	0x00000080
354#define SNDCTL_TMR_METRONOME	_IOW ('T', 7, int)
355#define SNDCTL_TMR_SELECT	_IOW ('T', 8, int)
356
357/*
358 *	Endian aware patch key generation algorithm.
359 */
360
361#if defined(_AIX) || defined(AIX)
362#  define _PATCHKEY(id) (0xfd00|id)
363#else
364#  define _PATCHKEY(id) ((id<<8)|0xfd)
365#endif
366
367/*
368 *	Sample loading mechanism for internal synthesizers (/dev/sequencer)
369 *	The following patch_info structure has been designed to support
370 *	Gravis UltraSound. It tries to be universal format for uploading
371 *	sample based patches but is probably too limited.
372 */
373
374struct patch_info {
375/*		u_short key;		 Use GUS_PATCH here */
376	short key;		 /* Use GUS_PATCH here */
377#define GUS_PATCH	_PATCHKEY(0x04)
378#define OBSOLETE_GUS_PATCH	_PATCHKEY(0x02)
379
380	short device_no;	/* Synthesizer number */
381	short instr_no;		/* Midi pgm# */
382
383	u_long mode;
384/*
385 * The least significant byte has the same format than the GUS .PAT
386 * files
387 */
388#define WAVE_16_BITS	0x01	/* bit 0 = 8 or 16 bit wave data. */
389#define WAVE_UNSIGNED	0x02	/* bit 1 = Signed - Unsigned data. */
390#define WAVE_LOOPING	0x04	/* bit 2 = looping enabled-1. */
391#define WAVE_BIDIR_LOOP	0x08	/* bit 3 = Set is bidirectional looping. */
392#define WAVE_LOOP_BACK	0x10	/* bit 4 = Set is looping backward. */
393#define WAVE_SUSTAIN_ON	0x20	/* bit 5 = Turn sustaining on. (Env. pts. 3)*/
394#define WAVE_ENVELOPES	0x40	/* bit 6 = Enable envelopes - 1 */
395				/* 	(use the env_rate/env_offs fields). */
396/* Linux specific bits */
397#define WAVE_VIBRATO	0x00010000	/* The vibrato info is valid */
398#define WAVE_TREMOLO	0x00020000	/* The tremolo info is valid */
399#define WAVE_SCALE	0x00040000	/* The scaling info is valid */
400/* Other bits must be zeroed */
401
402	long len;	/* Size of the wave data in bytes */
403	long loop_start, loop_end; /* Byte offsets from the beginning */
404
405/*
406 * The base_freq and base_note fields are used when computing the
407 * playback speed for a note. The base_note defines the tone frequency
408 * which is heard if the sample is played using the base_freq as the
409 * playback speed.
410 *
411 * The low_note and high_note fields define the minimum and maximum note
412 * frequencies for which this sample is valid. It is possible to define
413 * more than one samples for an instrument number at the same time. The
414 * low_note and high_note fields are used to select the most suitable one.
415 *
416 * The fields base_note, high_note and low_note should contain
417 * the note frequency multiplied by 1000. For example value for the
418 * middle A is 440*1000.
419 */
420
421	u_int base_freq;
422	u_long base_note;
423	u_long high_note;
424	u_long low_note;
425	int panning;	/* -128=left, 127=right */
426	int detuning;
427
428/*	New fields introduced in version 1.99.5	*/
429
430       /* Envelope. Enabled by mode bit WAVE_ENVELOPES	*/
431	u_char	env_rate[ 6 ];	 /* GUS HW ramping rate */
432	u_char	env_offset[ 6 ]; /* 255 == 100% */
433
434	/*
435	 * The tremolo, vibrato and scale info are not supported yet.
436	 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
437	 * WAVE_SCALE
438	 */
439
440	u_char	tremolo_sweep;
441	u_char	tremolo_rate;
442	u_char	tremolo_depth;
443
444	u_char	vibrato_sweep;
445	u_char	vibrato_rate;
446	u_char	vibrato_depth;
447
448	int		scale_frequency;
449	u_int	scale_factor;		/* from 0 to 2048 or 0 to 2 */
450
451	int		volume;
452	int		spare[4];
453	char data[1];	/* The waveform data starts here */
454};
455
456struct sysex_info {
457	short key;		/* Use GUS_PATCH here */
458#define SYSEX_PATCH	_PATCHKEY(0x05)
459#define MAUI_PATCH	_PATCHKEY(0x06)
460	short device_no;	/* Synthesizer number */
461	long len;	/* Size of the sysex data in bytes */
462	u_char data[1];	/* Sysex data starts here */
463};
464
465/*
466 * Patch management interface (/dev/sequencer, /dev/patmgr#)
467 * Don't use these calls if you want to maintain compatibility with
468 * the future versions of the driver.
469 */
470
471#define PS_NO_PATCHES		0	/* No patch support on device */
472#define	PS_MGR_NOT_OK		1	/* Plain patch support (no mgr) */
473#define	PS_MGR_OK		2	/* Patch manager supported */
474#define	PS_MANAGED		3	/* Patch manager running */
475
476#define SNDCTL_PMGR_IFACE		_IOWR('P', 1, struct patmgr_info)
477
478/*
479 * The patmgr_info is a fixed size structure which is used for two
480 * different purposes. The intended use is for communication between
481 * the application using /dev/sequencer and the patch manager daemon
482 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
483 *
484 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
485 * a patch manager daemon to read and write device parameters. This
486 * ioctl available through /dev/sequencer also. Avoid using it since it's
487 * extremely hardware dependent. In addition access through /dev/sequencer
488 * may confuse the patch manager daemon.
489 */
490
491struct patmgr_info {	/* Note! size must be < 4k since kmalloc() is used */
492	  u_long key;	/* Don't worry. Reserved for communication
493	  			   between the patch manager and the driver. */
494#define PM_K_EVENT		1 /* Event from the /dev/sequencer driver */
495#define PM_K_COMMAND		2 /* Request from an application */
496#define PM_K_RESPONSE		3 /* From patmgr to application */
497#define PM_ERROR		4 /* Error returned by the patmgr */
498	  int device;
499	  int command;
500
501/*
502 * Commands 0x000 to 0xfff reserved for patch manager programs
503 */
504#define PM_GET_DEVTYPE	1	/* Returns type of the patch mgr interface of dev */
505#define		PMTYPE_FM2	1	/* 2 OP fm */
506#define		PMTYPE_FM4	2	/* Mixed 4 or 2 op FM (OPL-3) */
507#define		PMTYPE_WAVE	3	/* Wave table synthesizer (GUS) */
508#define PM_GET_NRPGM	2	/* Returns max # of midi programs in parm1 */
509#define PM_GET_PGMMAP	3	/* Returns map of loaded midi programs in data8 */
510#define PM_GET_PGM_PATCHES 4	/* Return list of patches of a program (parm1) */
511#define PM_GET_PATCH	5	/* Return patch header of patch parm1 */
512#define PM_SET_PATCH	6	/* Set patch header of patch parm1 */
513#define PM_READ_PATCH	7	/* Read patch (wave) data */
514#define PM_WRITE_PATCH	8	/* Write patch (wave) data */
515
516/*
517 * Commands 0x1000 to 0xffff are for communication between the patch manager
518 * and the client
519 */
520#define _PM_LOAD_PATCH	0x100
521
522/*
523 * Commands above 0xffff reserved for device specific use
524 */
525
526	long parm1;
527	long parm2;
528	long parm3;
529
530	union {
531		u_char data8[4000];
532		u_short data16[2000];
533		u_long data32[1000];
534		struct patch_info patch;
535	} data;
536};
537
538/*
539 * When a patch manager daemon is present, it will be informed by the
540 * driver when something important happens. For example when the
541 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
542 * returned. The command field contains the event type:
543 */
544#define PM_E_OPENED		1	/* /dev/sequencer opened */
545#define PM_E_CLOSED		2	/* /dev/sequencer closed */
546#define PM_E_PATCH_RESET	3	/* SNDCTL_RESETSAMPLES called */
547#define PM_E_PATCH_LOADED	4	/* A patch has been loaded by appl */
548
549/*
550 * /dev/sequencer input events.
551 *
552 * The data written to the /dev/sequencer is a stream of events. Events
553 * are records of 4 or 8 bytes. The first byte defines the size.
554 * Any number of events can be written with a write call. There
555 * is a set of macros for sending these events. Use these macros if you
556 * want to maximize portability of your program.
557 *
558 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
559 * (All input events are currently 4 bytes long. Be prepared to support
560 * 8 byte events also. If you receive any event having first byte >= 128,
561 * it's a 8 byte event.
562 *
563 * The events are documented at the end of this file.
564 *
565 * Normal events (4 bytes)
566 * There is also a 8 byte version of most of the 4 byte events. The
567 * 8 byte one is recommended.
568 */
569#define SEQ_NOTEOFF		0
570#define SEQ_FMNOTEOFF		SEQ_NOTEOFF	/* Just old name */
571#define SEQ_NOTEON		1
572#define	SEQ_FMNOTEON		SEQ_NOTEON
573#define SEQ_WAIT		TMR_WAIT_ABS
574#define SEQ_PGMCHANGE		3
575#define SEQ_FMPGMCHANGE		SEQ_PGMCHANGE
576#define SEQ_SYNCTIMER		TMR_START
577#define SEQ_MIDIPUTC		5
578#define SEQ_DRUMON		6	/*** OBSOLETE ***/
579#define SEQ_DRUMOFF		7	/*** OBSOLETE ***/
580#define SEQ_ECHO		TMR_ECHO	/* For synching programs with output */
581#define SEQ_AFTERTOUCH		9
582#define SEQ_CONTROLLER		10
583
584/*
585 *	Midi controller numbers
586 *
587 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
588 * are continuous controllers.
589 * In the MIDI 1.0 these controllers are sent using two messages.
590 * Controller numbers 0 to 31 are used to send the MSB and the
591 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
592 * are used in MIDI bytes.
593 */
594
595#define	CTL_BANK_SELECT		0x00
596#define	CTL_MODWHEEL		0x01
597#define CTL_BREATH		0x02
598/*	undefined		0x03 */
599#define CTL_FOOT		0x04
600#define CTL_PORTAMENTO_TIME	0x05
601#define CTL_DATA_ENTRY		0x06
602#define CTL_MAIN_VOLUME		0x07
603#define CTL_BALANCE		0x08
604/*	undefined		0x09 */
605#define CTL_PAN			0x0a
606#define CTL_EXPRESSION		0x0b
607/*	undefined		0x0c - 0x0f */
608#define CTL_GENERAL_PURPOSE1	0x10
609#define CTL_GENERAL_PURPOSE2	0x11
610#define CTL_GENERAL_PURPOSE3	0x12
611#define CTL_GENERAL_PURPOSE4	0x13
612/*	undefined		0x14 - 0x1f */
613
614/*	undefined		0x20 */
615
616/*
617 * The controller numbers 0x21 to 0x3f are reserved for the
618 * least significant bytes of the controllers 0x00 to 0x1f.
619 * These controllers are not recognised by the driver.
620 *
621 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
622 * 0=OFF and 127=ON (intermediate values are possible)
623 */
624#define CTL_DAMPER_PEDAL	0x40
625#define CTL_SUSTAIN		CTL_DAMPER_PEDAL	/* Alias */
626#define CTL_HOLD		CTL_DAMPER_PEDAL	/* Alias */
627#define CTL_PORTAMENTO		0x41
628#define CTL_SOSTENUTO		0x42
629#define CTL_SOFT_PEDAL		0x43
630/*	undefined		0x44 */
631#define CTL_HOLD2		0x45
632/*	undefined		0x46 - 0x4f */
633
634#define CTL_GENERAL_PURPOSE5	0x50
635#define CTL_GENERAL_PURPOSE6	0x51
636#define CTL_GENERAL_PURPOSE7	0x52
637#define CTL_GENERAL_PURPOSE8	0x53
638/*	undefined		0x54 - 0x5a */
639#define CTL_EXT_EFF_DEPTH	0x5b
640#define CTL_TREMOLO_DEPTH	0x5c
641#define CTL_CHORUS_DEPTH	0x5d
642#define CTL_DETUNE_DEPTH	0x5e
643#define CTL_CELESTE_DEPTH	CTL_DETUNE_DEPTH /* Alias for the above one */
644#define CTL_PHASER_DEPTH	0x5f
645#define CTL_DATA_INCREMENT	0x60
646#define CTL_DATA_DECREMENT	0x61
647#define CTL_NONREG_PARM_NUM_LSB	0x62
648#define CTL_NONREG_PARM_NUM_MSB	0x63
649#define CTL_REGIST_PARM_NUM_LSB	0x64
650#define CTL_REGIST_PARM_NUM_MSB	0x65
651/*	undefined		0x66 - 0x78 */
652/*	reserved		0x79 - 0x7f */
653
654/* Pseudo controllers (not midi compatible) */
655#define CTRL_PITCH_BENDER	255
656#define CTRL_PITCH_BENDER_RANGE	254
657#define CTRL_EXPRESSION		253	/* Obsolete */
658#define CTRL_MAIN_VOLUME	252	/* Obsolete */
659
660#define SEQ_BALANCE		11
661#define SEQ_VOLMODE             12
662
663/*
664 * Volume mode decides how volumes are used
665 */
666
667#define VOL_METHOD_ADAGIO	1
668#define VOL_METHOD_LINEAR	2
669
670/*
671 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
672 *	 input events.
673 */
674
675/*
676 * Event codes 0xf0 to 0xfc are reserved for future extensions.
677 */
678
679#define SEQ_FULLSIZE		0xfd	/* Long events */
680/*
681 * SEQ_FULLSIZE events are used for loading patches/samples to the
682 * synthesizer devices. These events are passed directly to the driver
683 * of the associated synthesizer device. There is no limit to the size
684 * of the extended events. These events are not queued but executed
685 * immediately when the write() is called (execution can take several
686 * seconds of time).
687 *
688 * When a SEQ_FULLSIZE message is written to the device, it must
689 * be written using exactly one write() call. Other events cannot
690 * be mixed to the same write.
691 *
692 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
693 * it to the /dev/sequencer. Don't write other data together with
694 * the instrument structure Set the key field of the structure to
695 * FM_PATCH. The device field is used to route the patch to the
696 * corresponding device.
697 *
698 * For Gravis UltraSound use struct patch_info. Initialize the key field
699 * to GUS_PATCH.
700 */
701#define SEQ_PRIVATE	0xfe	/* Low level HW dependent events (8 bytes) */
702#define SEQ_EXTENDED	0xff	/* Extended events (8 bytes) OBSOLETE */
703
704/*
705 * Record for FM patches
706 */
707
708typedef u_char sbi_instr_data[32];
709
710struct sbi_instrument {
711	u_short	key;	/* FM_PATCH or OPL3_PATCH */
712#define FM_PATCH	_PATCHKEY(0x01)
713#define OPL3_PATCH	_PATCHKEY(0x03)
714	short		device;		/* Synth# (0-4)	*/
715	int 		channel;	/* Program# to be initialized  */
716	sbi_instr_data	operators;	/* Reg. settings for operator cells
717					 * (.SBI format)	*/
718};
719
720struct synth_info {	/* Read only */
721	char	name[30];
722	int	device;		/* 0-N. INITIALIZE BEFORE CALLING */
723	int	synth_type;
724#define SYNTH_TYPE_FM			0
725#define SYNTH_TYPE_SAMPLE		1
726#define SYNTH_TYPE_MIDI			2	/* Midi interface */
727
728	int	synth_subtype;
729#define FM_TYPE_ADLIB			0x00
730#define FM_TYPE_OPL3			0x01
731#define MIDI_TYPE_MPU401		0x401
732
733#define SAMPLE_TYPE_BASIC		0x10
734#define SAMPLE_TYPE_GUS			SAMPLE_TYPE_BASIC
735#define SAMPLE_TYPE_AWE32		0x20
736
737	int	perc_mode;	/* No longer supported */
738	int	nr_voices;
739	int	nr_drums;	/* Obsolete field */
740	int	instr_bank_size;
741	u_long	capabilities;
742#define SYNTH_CAP_PERCMODE	0x00000001 /* No longer used */
743#define SYNTH_CAP_OPL3		0x00000002 /* Set if OPL3 supported */
744#define SYNTH_CAP_INPUT		0x00000004 /* Input (MIDI) device */
745	int	dummies[19];	/* Reserve space */
746};
747
748struct sound_timer_info {
749	char name[32];
750	int caps;
751};
752
753struct midi_info {
754	char		name[30];
755	int		device;		/* 0-N. INITIALIZE BEFORE CALLING */
756	u_long	capabilities;	/* To be defined later */
757	int		dev_type;
758	int		dummies[18];	/* Reserve space */
759};
760
761/*
762 * ioctl commands for the /dev/midi##
763 */
764typedef struct {
765	u_char cmd;
766	char nr_args, nr_returns;
767	u_char data[30];
768} mpu_command_rec;
769
770#define SNDCTL_MIDI_PRETIME	_IOWR('m', 0, int)
771#define SNDCTL_MIDI_MPUMODE	_IOWR('m', 1, int)
772#define SNDCTL_MIDI_MPUCMD	_IOWR('m', 2, mpu_command_rec)
773#define MIOSPASSTHRU		_IOWR('m', 3, int)
774#define MIOGPASSTHRU		_IOWR('m', 4, int)
775
776/*
777 * IOCTL commands for /dev/dsp and /dev/audio
778 */
779
780#define SNDCTL_DSP_HALT		_IO  ('P', 0)
781#define SNDCTL_DSP_RESET	SNDCTL_DSP_HALT
782#define SNDCTL_DSP_SYNC		_IO  ('P', 1)
783#define SNDCTL_DSP_SPEED	_IOWR('P', 2, int)
784#define SNDCTL_DSP_STEREO	_IOWR('P', 3, int)
785#define SNDCTL_DSP_GETBLKSIZE	_IOR('P', 4, int)
786#define SNDCTL_DSP_SETBLKSIZE   _IOW('P', 4, int)
787#define SNDCTL_DSP_SETFMT	_IOWR('P',5, int) /* Selects ONE fmt*/
788
789/*
790 * SOUND_PCM_WRITE_CHANNELS is not that different
791 * from SNDCTL_DSP_STEREO
792 */
793#define SOUND_PCM_WRITE_CHANNELS	_IOWR('P', 6, int)
794#define SNDCTL_DSP_CHANNELS	SOUND_PCM_WRITE_CHANNELS
795#define SOUND_PCM_WRITE_FILTER	_IOWR('P', 7, int)
796#define SNDCTL_DSP_POST		_IO  ('P', 8)
797
798/*
799 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
800 * the same thing, i.e. set the block size used in DMA transfers.
801 */
802#define SNDCTL_DSP_SUBDIVIDE	_IOWR('P', 9, int)
803#define SNDCTL_DSP_SETFRAGMENT	_IOWR('P',10, int)
804
805#define SNDCTL_DSP_GETFMTS	_IOR ('P',11, int) /* Returns a mask */
806/*
807 * Buffer status queries.
808 */
809typedef struct audio_buf_info {
810    int fragments;	/* # of avail. frags (partly used ones not counted) */
811    int fragstotal;	/* Total # of fragments allocated */
812    int fragsize;	/* Size of a fragment in bytes */
813
814    int bytes;	/* Avail. space in bytes (includes partly used fragments) */
815		/* Note! 'bytes' could be more than fragments*fragsize */
816} audio_buf_info;
817
818#define SNDCTL_DSP_GETOSPACE	_IOR ('P',12, audio_buf_info)
819#define SNDCTL_DSP_GETISPACE	_IOR ('P',13, audio_buf_info)
820
821/*
822 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
823 * action cannot be undone) of FIONBIO. The same can be achieved
824 * by opening the device with O_NDELAY
825 */
826#define SNDCTL_DSP_NONBLOCK	_IO  ('P',14)
827
828#define SNDCTL_DSP_GETCAPS	_IOR ('P',15, int)
829#	define PCM_CAP_REVISION		0x000000ff	/* Bits for revision level (0 to 255) */
830#	define PCM_CAP_DUPLEX		0x00000100	/* Full duplex record/playback */
831#	define PCM_CAP_REALTIME		0x00000200	/* Not in use */
832#	define PCM_CAP_BATCH		0x00000400	/* Device has some kind of */
833							/* internal buffers which may */
834							/* cause some delays and */
835							/* decrease precision of timing */
836#	define PCM_CAP_COPROC		0x00000800	/* Has a coprocessor */
837							/* Sometimes it's a DSP */
838							/* but usually not */
839#	define PCM_CAP_TRIGGER		0x00001000	/* Supports SETTRIGGER */
840#	define PCM_CAP_MMAP		0x00002000	/* Supports mmap() */
841#	define PCM_CAP_MULTI		0x00004000	/* Supports multiple open */
842#	define PCM_CAP_BIND		0x00008000	/* Supports binding to front/rear/center/lfe */
843#   	define PCM_CAP_INPUT		0x00010000	/* Supports recording */
844#   	define PCM_CAP_OUTPUT		0x00020000	/* Supports playback */
845#	define PCM_CAP_VIRTUAL		0x00040000	/* Virtual device */
846/* 0x00040000 and 0x00080000 reserved for future use */
847
848/* Analog/digital control capabilities */
849#	define PCM_CAP_ANALOGOUT	0x00100000
850#	define PCM_CAP_ANALOGIN		0x00200000
851#	define PCM_CAP_DIGITALOUT	0x00400000
852#	define PCM_CAP_DIGITALIN	0x00800000
853#	define PCM_CAP_ADMASK		0x00f00000
854/*
855 * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the
856 * digital/analog interface control features are not supported by the
857 * device/driver. However the device still supports analog, digital or
858 * both inputs/outputs (depending on the device). See the OSS Programmer's
859 * Guide for full details.
860 */
861#	define PCM_CAP_SPECIAL		0x01000000	/* Not for ordinary "multimedia" use */
862#	define PCM_CAP_SHADOW		0x00000000	/* OBSOLETE */
863
864/*
865 * Preferred channel usage. These bits can be used to
866 * give recommendations to the application. Used by few drivers.
867 * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that
868 * the device works best in mono mode. However it doesn't necessarily mean
869 * that the device cannot be used in stereo. These bits should only be used
870 * by special applications such as multi track hard disk recorders to find
871 * out the initial setup. However the user should be able to override this
872 * selection.
873 *
874 * To find out which modes are actually supported the application should
875 * try to select them using SNDCTL_DSP_CHANNELS.
876 */
877#	define DSP_CH_MASK		0x06000000	/* Mask */
878#	define DSP_CH_ANY		0x00000000	/* No preferred mode */
879#	define DSP_CH_MONO		0x02000000
880#	define DSP_CH_STEREO		0x04000000
881#	define DSP_CH_MULTI		0x06000000	/* More than two channels */
882
883#	define PCM_CAP_HIDDEN		0x08000000	/* Hidden device */
884#	define PCM_CAP_FREERATE		0x10000000
885#	define PCM_CAP_MODEM		0x20000000	/* Modem device */
886#	define PCM_CAP_DEFAULT		0x40000000	/* "Default" device */
887
888/*
889 * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0
890 * so it's necessary to define the older names too.
891 */
892#define DSP_CAP_ADMASK		PCM_CAP_ADMASK
893#define DSP_CAP_ANALOGIN	PCM_CAP_ANALOGIN
894#define DSP_CAP_ANALOGOUT	PCM_CAP_ANALOGOUT
895#define DSP_CAP_BATCH		PCM_CAP_BATCH
896#define DSP_CAP_BIND		PCM_CAP_BIND
897#define DSP_CAP_COPROC		PCM_CAP_COPROC
898#define DSP_CAP_DEFAULT		PCM_CAP_DEFAULT
899#define DSP_CAP_DIGITALIN	PCM_CAP_DIGITALIN
900#define DSP_CAP_DIGITALOUT	PCM_CAP_DIGITALOUT
901#define DSP_CAP_DUPLEX		PCM_CAP_DUPLEX
902#define DSP_CAP_FREERATE	PCM_CAP_FREERATE
903#define DSP_CAP_HIDDEN		PCM_CAP_HIDDEN
904#define DSP_CAP_INPUT		PCM_CAP_INPUT
905#define DSP_CAP_MMAP		PCM_CAP_MMAP
906#define DSP_CAP_MODEM		PCM_CAP_MODEM
907#define DSP_CAP_MULTI		PCM_CAP_MULTI
908#define DSP_CAP_OUTPUT		PCM_CAP_OUTPUT
909#define DSP_CAP_REALTIME	PCM_CAP_REALTIME
910#define DSP_CAP_REVISION	PCM_CAP_REVISION
911#define DSP_CAP_SHADOW		PCM_CAP_SHADOW
912#define DSP_CAP_TRIGGER		PCM_CAP_TRIGGER
913#define DSP_CAP_VIRTUAL		PCM_CAP_VIRTUAL
914
915/*
916 * What do these function do ?
917 */
918#define SNDCTL_DSP_GETTRIGGER	_IOR ('P',16, int)
919#define SNDCTL_DSP_SETTRIGGER	_IOW ('P',16, int)
920#define PCM_ENABLE_INPUT	0x00000001
921#define PCM_ENABLE_OUTPUT	0x00000002
922
923typedef struct count_info {
924	int bytes;	/* Total # of bytes processed */
925	int blocks;	/* # of fragment transitions since last time */
926	int ptr;	/* Current DMA pointer value */
927} count_info;
928
929/*
930 * GETIPTR and GETISPACE are not that different... same for out.
931 */
932#define SNDCTL_DSP_GETIPTR	_IOR ('P',17, count_info)
933#define SNDCTL_DSP_GETOPTR	_IOR ('P',18, count_info)
934
935typedef struct buffmem_desc {
936	caddr_t buffer;
937	int size;
938} buffmem_desc;
939
940#define SNDCTL_DSP_MAPINBUF	_IOR ('P', 19, buffmem_desc)
941#define SNDCTL_DSP_MAPOUTBUF	_IOR ('P', 20, buffmem_desc)
942#define SNDCTL_DSP_SETSYNCRO	_IO  ('P', 21)
943#define SNDCTL_DSP_SETDUPLEX	_IO  ('P', 22)
944#define SNDCTL_DSP_GETODELAY	_IOR ('P', 23, int)
945
946/*
947 * I guess these are the readonly version of the same
948 * functions that exist above as SNDCTL_DSP_...
949 */
950#define SOUND_PCM_READ_RATE	_IOR ('P', 2, int)
951#define SOUND_PCM_READ_CHANNELS	_IOR ('P', 6, int)
952#define SOUND_PCM_READ_BITS	_IOR ('P', 5, int)
953#define SOUND_PCM_READ_FILTER	_IOR ('P', 7, int)
954
955/*
956 * ioctl calls to be used in communication with coprocessors and
957 * DSP chips.
958 */
959
960typedef struct copr_buffer {
961	int command;	/* Set to 0 if not used */
962	int flags;
963#define CPF_NONE		0x0000
964#define CPF_FIRST		0x0001	/* First block */
965#define CPF_LAST		0x0002	/* Last block */
966	int len;
967	int offs;	/* If required by the device (0 if not used) */
968
969	u_char data[4000]; /* NOTE! 4000 is not 4k */
970} copr_buffer;
971
972typedef struct copr_debug_buf {
973	int command;	/* Used internally. Set to 0 */
974	int parm1;
975	int parm2;
976	int flags;
977	int len;	/* Length of data in bytes */
978} copr_debug_buf;
979
980typedef struct copr_msg {
981	int len;
982	u_char data[4000];
983} copr_msg;
984
985#define SNDCTL_COPR_RESET       _IO  ('C',  0)
986#define SNDCTL_COPR_LOAD	_IOWR('C',  1, copr_buffer)
987#define SNDCTL_COPR_RDATA	_IOWR('C',  2, copr_debug_buf)
988#define SNDCTL_COPR_RCODE	_IOWR('C',  3, copr_debug_buf)
989#define SNDCTL_COPR_WDATA	_IOW ('C',  4, copr_debug_buf)
990#define SNDCTL_COPR_WCODE	_IOW ('C',  5, copr_debug_buf)
991#define SNDCTL_COPR_RUN		_IOWR('C',  6, copr_debug_buf)
992#define SNDCTL_COPR_HALT	_IOWR('C',  7, copr_debug_buf)
993#define SNDCTL_COPR_SENDMSG	_IOW ('C',  8, copr_msg)
994#define SNDCTL_COPR_RCVMSG	_IOR ('C',  9, copr_msg)
995
996/*
997 * IOCTL commands for /dev/mixer
998 */
999
1000/*
1001 * Mixer devices
1002 *
1003 * There can be up to 20 different analog mixer channels. The
1004 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
1005 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
1006 * the devices supported by the particular mixer.
1007 */
1008
1009#define SOUND_MIXER_NRDEVICES	25
1010#define SOUND_MIXER_VOLUME	0	/* Master output level */
1011#define SOUND_MIXER_BASS	1	/* Treble level of all output channels */
1012#define SOUND_MIXER_TREBLE	2	/* Bass level of all output channels */
1013#define SOUND_MIXER_SYNTH	3	/* Volume of synthesier input */
1014#define SOUND_MIXER_PCM		4	/* Output level for the audio device */
1015#define SOUND_MIXER_SPEAKER	5	/* Output level for the PC speaker
1016					 * signals */
1017#define SOUND_MIXER_LINE	6	/* Volume level for the line in jack */
1018#define SOUND_MIXER_MIC		7	/* Volume for the signal coming from
1019					 * the microphone jack */
1020#define SOUND_MIXER_CD		8	/* Volume level for the input signal
1021					 * connected to the CD audio input */
1022#define SOUND_MIXER_IMIX	9	/* Recording monitor. It controls the
1023					 * output volume of the selected
1024					 * recording sources while recording */
1025#define SOUND_MIXER_ALTPCM	10	/* Volume of the alternative codec
1026					 * device */
1027#define SOUND_MIXER_RECLEV	11	/* Global recording level */
1028#define SOUND_MIXER_IGAIN	12	/* Input gain */
1029#define SOUND_MIXER_OGAIN	13	/* Output gain */
1030/*
1031 * The AD1848 codec and compatibles have three line level inputs
1032 * (line, aux1 and aux2). Since each card manufacturer have assigned
1033 * different meanings to these inputs, it's inpractical to assign
1034 * specific meanings (line, cd, synth etc.) to them.
1035 */
1036#define SOUND_MIXER_LINE1	14	/* Input source 1  (aux1) */
1037#define SOUND_MIXER_LINE2	15	/* Input source 2  (aux2) */
1038#define SOUND_MIXER_LINE3	16	/* Input source 3  (line) */
1039#define SOUND_MIXER_DIGITAL1    17      /* Digital (input) 1 */
1040#define SOUND_MIXER_DIGITAL2    18      /* Digital (input) 2 */
1041#define SOUND_MIXER_DIGITAL3    19      /* Digital (input) 3 */
1042#define SOUND_MIXER_PHONEIN     20      /* Phone input */
1043#define SOUND_MIXER_PHONEOUT    21      /* Phone output */
1044#define SOUND_MIXER_VIDEO       22      /* Video/TV (audio) in */
1045#define SOUND_MIXER_RADIO       23      /* Radio in */
1046#define SOUND_MIXER_MONITOR     24      /* Monitor (usually mic) volume */
1047
1048/*
1049 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
1050 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
1051 */
1052#define SOUND_ONOFF_MIN		28
1053#define SOUND_ONOFF_MAX		30
1054#define SOUND_MIXER_MUTE	28	/* 0 or 1 */
1055#define SOUND_MIXER_ENHANCE	29	/* Enhanced stereo (0, 40, 60 or 80) */
1056#define SOUND_MIXER_LOUD	30	/* 0 or 1 */
1057
1058/* Note!	Number 31 cannot be used since the sign bit is reserved */
1059#define SOUND_MIXER_NONE        31
1060
1061#define SOUND_DEVICE_LABELS	{ \
1062	"Vol  ", "Bass ", "Trebl", "Synth", "Pcm  ", "Spkr ", "Line ", \
1063	"Mic  ", "CD   ", "Mix  ", "Pcm2 ", "Rec  ", "IGain", "OGain", \
1064	"Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
1065	"PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
1066
1067#define SOUND_DEVICE_NAMES	{ \
1068	"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
1069	"mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
1070	"line1", "line2", "line3", "dig1", "dig2", "dig3", \
1071	"phin", "phout", "video", "radio", "monitor"}
1072
1073/*	Device bitmask identifiers	*/
1074
1075#define SOUND_MIXER_RECSRC	0xff	/* 1 bit per recording source */
1076#define SOUND_MIXER_DEVMASK	0xfe	/* 1 bit per supported device */
1077#define SOUND_MIXER_RECMASK	0xfd	/* 1 bit per supp. recording source */
1078#define SOUND_MIXER_CAPS	0xfc
1079#define SOUND_CAP_EXCL_INPUT	0x00000001	/* Only 1 rec. src at a time */
1080#define SOUND_MIXER_STEREODEVS	0xfb	/* Mixer channels supporting stereo */
1081
1082/*	Device mask bits	*/
1083
1084#define SOUND_MASK_VOLUME	(1 << SOUND_MIXER_VOLUME)
1085#define SOUND_MASK_BASS		(1 << SOUND_MIXER_BASS)
1086#define SOUND_MASK_TREBLE	(1 << SOUND_MIXER_TREBLE)
1087#define SOUND_MASK_SYNTH	(1 << SOUND_MIXER_SYNTH)
1088#define SOUND_MASK_PCM		(1 << SOUND_MIXER_PCM)
1089#define SOUND_MASK_SPEAKER	(1 << SOUND_MIXER_SPEAKER)
1090#define SOUND_MASK_LINE		(1 << SOUND_MIXER_LINE)
1091#define SOUND_MASK_MIC		(1 << SOUND_MIXER_MIC)
1092#define SOUND_MASK_CD		(1 << SOUND_MIXER_CD)
1093#define SOUND_MASK_IMIX		(1 << SOUND_MIXER_IMIX)
1094#define SOUND_MASK_ALTPCM	(1 << SOUND_MIXER_ALTPCM)
1095#define SOUND_MASK_RECLEV	(1 << SOUND_MIXER_RECLEV)
1096#define SOUND_MASK_IGAIN	(1 << SOUND_MIXER_IGAIN)
1097#define SOUND_MASK_OGAIN	(1 << SOUND_MIXER_OGAIN)
1098#define SOUND_MASK_LINE1	(1 << SOUND_MIXER_LINE1)
1099#define SOUND_MASK_LINE2	(1 << SOUND_MIXER_LINE2)
1100#define SOUND_MASK_LINE3	(1 << SOUND_MIXER_LINE3)
1101#define SOUND_MASK_DIGITAL1     (1 << SOUND_MIXER_DIGITAL1)
1102#define SOUND_MASK_DIGITAL2     (1 << SOUND_MIXER_DIGITAL2)
1103#define SOUND_MASK_DIGITAL3     (1 << SOUND_MIXER_DIGITAL3)
1104#define SOUND_MASK_PHONEIN      (1 << SOUND_MIXER_PHONEIN)
1105#define SOUND_MASK_PHONEOUT     (1 << SOUND_MIXER_PHONEOUT)
1106#define SOUND_MASK_RADIO        (1 << SOUND_MIXER_RADIO)
1107#define SOUND_MASK_VIDEO        (1 << SOUND_MIXER_VIDEO)
1108#define SOUND_MASK_MONITOR      (1 << SOUND_MIXER_MONITOR)
1109
1110/* Obsolete macros */
1111#define SOUND_MASK_MUTE		(1 << SOUND_MIXER_MUTE)
1112#define SOUND_MASK_ENHANCE	(1 << SOUND_MIXER_ENHANCE)
1113#define SOUND_MASK_LOUD		(1 << SOUND_MIXER_LOUD)
1114
1115#define MIXER_READ(dev)		_IOR('M', dev, int)
1116#define SOUND_MIXER_READ_VOLUME		MIXER_READ(SOUND_MIXER_VOLUME)
1117#define SOUND_MIXER_READ_BASS		MIXER_READ(SOUND_MIXER_BASS)
1118#define SOUND_MIXER_READ_TREBLE		MIXER_READ(SOUND_MIXER_TREBLE)
1119#define SOUND_MIXER_READ_SYNTH		MIXER_READ(SOUND_MIXER_SYNTH)
1120#define SOUND_MIXER_READ_PCM		MIXER_READ(SOUND_MIXER_PCM)
1121#define SOUND_MIXER_READ_SPEAKER	MIXER_READ(SOUND_MIXER_SPEAKER)
1122#define SOUND_MIXER_READ_LINE		MIXER_READ(SOUND_MIXER_LINE)
1123#define SOUND_MIXER_READ_MIC		MIXER_READ(SOUND_MIXER_MIC)
1124#define SOUND_MIXER_READ_CD		MIXER_READ(SOUND_MIXER_CD)
1125#define SOUND_MIXER_READ_IMIX		MIXER_READ(SOUND_MIXER_IMIX)
1126#define SOUND_MIXER_READ_ALTPCM		MIXER_READ(SOUND_MIXER_ALTPCM)
1127#define SOUND_MIXER_READ_RECLEV		MIXER_READ(SOUND_MIXER_RECLEV)
1128#define SOUND_MIXER_READ_IGAIN		MIXER_READ(SOUND_MIXER_IGAIN)
1129#define SOUND_MIXER_READ_OGAIN		MIXER_READ(SOUND_MIXER_OGAIN)
1130#define SOUND_MIXER_READ_LINE1		MIXER_READ(SOUND_MIXER_LINE1)
1131#define SOUND_MIXER_READ_LINE2		MIXER_READ(SOUND_MIXER_LINE2)
1132#define SOUND_MIXER_READ_LINE3		MIXER_READ(SOUND_MIXER_LINE3)
1133#define SOUND_MIXER_READ_DIGITAL1	MIXER_READ(SOUND_MIXER_DIGITAL1)
1134#define SOUND_MIXER_READ_DIGITAL2	MIXER_READ(SOUND_MIXER_DIGITAL2)
1135#define SOUND_MIXER_READ_DIGITAL3	MIXER_READ(SOUND_MIXER_DIGITAL3)
1136#define SOUND_MIXER_READ_PHONEIN      	MIXER_READ(SOUND_MIXER_PHONEIN)
1137#define SOUND_MIXER_READ_PHONEOUT	MIXER_READ(SOUND_MIXER_PHONEOUT)
1138#define SOUND_MIXER_READ_RADIO		MIXER_READ(SOUND_MIXER_RADIO)
1139#define SOUND_MIXER_READ_VIDEO		MIXER_READ(SOUND_MIXER_VIDEO)
1140#define SOUND_MIXER_READ_MONITOR	MIXER_READ(SOUND_MIXER_MONITOR)
1141
1142/* Obsolete macros */
1143#define SOUND_MIXER_READ_MUTE		MIXER_READ(SOUND_MIXER_MUTE)
1144#define SOUND_MIXER_READ_ENHANCE	MIXER_READ(SOUND_MIXER_ENHANCE)
1145#define SOUND_MIXER_READ_LOUD		MIXER_READ(SOUND_MIXER_LOUD)
1146
1147#define SOUND_MIXER_READ_RECSRC		MIXER_READ(SOUND_MIXER_RECSRC)
1148#define SOUND_MIXER_READ_DEVMASK	MIXER_READ(SOUND_MIXER_DEVMASK)
1149#define SOUND_MIXER_READ_RECMASK	MIXER_READ(SOUND_MIXER_RECMASK)
1150#define SOUND_MIXER_READ_STEREODEVS	MIXER_READ(SOUND_MIXER_STEREODEVS)
1151#define SOUND_MIXER_READ_CAPS		MIXER_READ(SOUND_MIXER_CAPS)
1152
1153#define MIXER_WRITE(dev)		_IOWR('M', dev, int)
1154#define SOUND_MIXER_WRITE_VOLUME	MIXER_WRITE(SOUND_MIXER_VOLUME)
1155#define SOUND_MIXER_WRITE_BASS		MIXER_WRITE(SOUND_MIXER_BASS)
1156#define SOUND_MIXER_WRITE_TREBLE	MIXER_WRITE(SOUND_MIXER_TREBLE)
1157#define SOUND_MIXER_WRITE_SYNTH		MIXER_WRITE(SOUND_MIXER_SYNTH)
1158#define SOUND_MIXER_WRITE_PCM		MIXER_WRITE(SOUND_MIXER_PCM)
1159#define SOUND_MIXER_WRITE_SPEAKER	MIXER_WRITE(SOUND_MIXER_SPEAKER)
1160#define SOUND_MIXER_WRITE_LINE		MIXER_WRITE(SOUND_MIXER_LINE)
1161#define SOUND_MIXER_WRITE_MIC		MIXER_WRITE(SOUND_MIXER_MIC)
1162#define SOUND_MIXER_WRITE_CD		MIXER_WRITE(SOUND_MIXER_CD)
1163#define SOUND_MIXER_WRITE_IMIX		MIXER_WRITE(SOUND_MIXER_IMIX)
1164#define SOUND_MIXER_WRITE_ALTPCM	MIXER_WRITE(SOUND_MIXER_ALTPCM)
1165#define SOUND_MIXER_WRITE_RECLEV	MIXER_WRITE(SOUND_MIXER_RECLEV)
1166#define SOUND_MIXER_WRITE_IGAIN		MIXER_WRITE(SOUND_MIXER_IGAIN)
1167#define SOUND_MIXER_WRITE_OGAIN		MIXER_WRITE(SOUND_MIXER_OGAIN)
1168#define SOUND_MIXER_WRITE_LINE1		MIXER_WRITE(SOUND_MIXER_LINE1)
1169#define SOUND_MIXER_WRITE_LINE2		MIXER_WRITE(SOUND_MIXER_LINE2)
1170#define SOUND_MIXER_WRITE_LINE3		MIXER_WRITE(SOUND_MIXER_LINE3)
1171#define SOUND_MIXER_WRITE_DIGITAL1	MIXER_WRITE(SOUND_MIXER_DIGITAL1)
1172#define SOUND_MIXER_WRITE_DIGITAL2	MIXER_WRITE(SOUND_MIXER_DIGITAL2)
1173#define SOUND_MIXER_WRITE_DIGITAL3	MIXER_WRITE(SOUND_MIXER_DIGITAL3)
1174#define SOUND_MIXER_WRITE_PHONEIN      	MIXER_WRITE(SOUND_MIXER_PHONEIN)
1175#define SOUND_MIXER_WRITE_PHONEOUT	MIXER_WRITE(SOUND_MIXER_PHONEOUT)
1176#define SOUND_MIXER_WRITE_RADIO		MIXER_WRITE(SOUND_MIXER_RADIO)
1177#define SOUND_MIXER_WRITE_VIDEO		MIXER_WRITE(SOUND_MIXER_VIDEO)
1178#define SOUND_MIXER_WRITE_MONITOR	MIXER_WRITE(SOUND_MIXER_MONITOR)
1179
1180#define SOUND_MIXER_WRITE_MUTE		MIXER_WRITE(SOUND_MIXER_MUTE)
1181#define SOUND_MIXER_WRITE_ENHANCE	MIXER_WRITE(SOUND_MIXER_ENHANCE)
1182#define SOUND_MIXER_WRITE_LOUD		MIXER_WRITE(SOUND_MIXER_LOUD)
1183
1184#define SOUND_MIXER_WRITE_RECSRC	MIXER_WRITE(SOUND_MIXER_RECSRC)
1185
1186typedef struct mixer_info {
1187  char id[16];
1188  char name[32];
1189  int  modify_counter;
1190  int fillers[10];
1191} mixer_info;
1192
1193#define SOUND_MIXER_INFO		_IOR('M', 101, mixer_info)
1194
1195#define LEFT_CHN	0
1196#define RIGHT_CHN	1
1197
1198/*
1199 * Level 2 event types for /dev/sequencer
1200 */
1201
1202/*
1203 * The 4 most significant bits of byte 0 specify the class of
1204 * the event:
1205 *
1206 *	0x8X = system level events,
1207 *	0x9X = device/port specific events, event[1] = device/port,
1208 *		The last 4 bits give the subtype:
1209 *			0x02	= Channel event (event[3] = chn).
1210 *			0x01	= note event (event[4] = note).
1211 *			(0x01 is not used alone but always with bit 0x02).
1212 *	       event[2] = MIDI message code (0x80=note off etc.)
1213 *
1214 */
1215
1216#define EV_SEQ_LOCAL		0x80
1217#define EV_TIMING		0x81
1218#define EV_CHN_COMMON		0x92
1219#define EV_CHN_VOICE		0x93
1220#define EV_SYSEX		0x94
1221/*
1222 * Event types 200 to 220 are reserved for application use.
1223 * These numbers will not be used by the driver.
1224 */
1225
1226/*
1227 * Events for event type EV_CHN_VOICE
1228 */
1229
1230#define MIDI_NOTEOFF		0x80
1231#define MIDI_NOTEON		0x90
1232#define MIDI_KEY_PRESSURE	0xA0
1233
1234/*
1235 * Events for event type EV_CHN_COMMON
1236 */
1237
1238#define MIDI_CTL_CHANGE		0xB0
1239#define MIDI_PGM_CHANGE		0xC0
1240#define MIDI_CHN_PRESSURE	0xD0
1241#define MIDI_PITCH_BEND		0xE0
1242
1243#define MIDI_SYSTEM_PREFIX	0xF0
1244
1245/*
1246 * Timer event types
1247 */
1248#define TMR_WAIT_REL		1	/* Time relative to the prev time */
1249#define TMR_WAIT_ABS		2	/* Absolute time since TMR_START */
1250#define TMR_STOP		3
1251#define TMR_START		4
1252#define TMR_CONTINUE		5
1253#define TMR_TEMPO		6
1254#define TMR_ECHO		8
1255#define TMR_CLOCK		9	/* MIDI clock */
1256#define TMR_SPP			10	/* Song position pointer */
1257#define TMR_TIMESIG		11	/* Time signature */
1258
1259/*
1260 *	Local event types
1261 */
1262#define LOCL_STARTAUDIO		1
1263
1264#if !defined(_KERNEL) || defined(USE_SEQ_MACROS)
1265/*
1266 *	Some convenience macros to simplify programming of the
1267 *	/dev/sequencer interface
1268 *
1269 *	These macros define the API which should be used when possible.
1270 */
1271
1272#ifndef USE_SIMPLE_MACROS
1273void seqbuf_dump(void);	/* This function must be provided by programs */
1274
1275/* Sample seqbuf_dump() implementation:
1276 *
1277 *	SEQ_DEFINEBUF (2048);	-- Defines a buffer for 2048 bytes
1278 *
1279 *	int seqfd;		-- The file descriptor for /dev/sequencer.
1280 *
1281 *	void
1282 *	seqbuf_dump ()
1283 *	{
1284 *	  if (_seqbufptr)
1285 *	    if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1286 *	      {
1287 *		perror ("write /dev/sequencer");
1288 *		exit (-1);
1289 *	      }
1290 *	  _seqbufptr = 0;
1291 *	}
1292 */
1293
1294#define SEQ_DEFINEBUF(len)		\
1295	u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1296#define SEQ_USE_EXTBUF()		\
1297	extern u_char _seqbuf[]; \
1298	extern int _seqbuflen;extern int _seqbufptr
1299#define SEQ_DECLAREBUF()		SEQ_USE_EXTBUF()
1300#define SEQ_PM_DEFINES			struct patmgr_info _pm_info
1301#define _SEQ_NEEDBUF(len)		\
1302	if ((_seqbufptr+(len)) > _seqbuflen) \
1303		seqbuf_dump()
1304#define _SEQ_ADVBUF(len)		_seqbufptr += len
1305#define SEQ_DUMPBUF			seqbuf_dump
1306#else
1307/*
1308 * This variation of the sequencer macros is used just to format one event
1309 * using fixed buffer.
1310 *
1311 * The program using the macro library must define the following macros before
1312 * using this library.
1313 *
1314 * #define _seqbuf 		 name of the buffer (u_char[])
1315 * #define _SEQ_ADVBUF(len)	 If the applic needs to know the exact
1316 *				 size of the event, this macro can be used.
1317 *				 Otherwise this must be defined as empty.
1318 * #define _seqbufptr		 Define the name of index variable or 0 if
1319 *				 not required.
1320 */
1321#define _SEQ_NEEDBUF(len)	/* empty */
1322#endif
1323
1324#define PM_LOAD_PATCH(dev, bank, pgm)	\
1325	(SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1326	_pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
1327	_pm_info.parm1 = bank, _pm_info.parm2 = 1, \
1328	ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1329#define PM_LOAD_PATCHES(dev, bank, pgm) \
1330	(SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1331	_pm_info.device=dev, bcopy( pgm, _pm_info.data.data8,  128), \
1332	_pm_info.parm1 = bank, _pm_info.parm2 = 128, \
1333	ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1334
1335#define SEQ_VOLUME_MODE(dev, mode)	{ \
1336	_SEQ_NEEDBUF(8);\
1337	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1338	_seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1339	_seqbuf[_seqbufptr+2] = (dev);\
1340	_seqbuf[_seqbufptr+3] = (mode);\
1341	_seqbuf[_seqbufptr+4] = 0;\
1342	_seqbuf[_seqbufptr+5] = 0;\
1343	_seqbuf[_seqbufptr+6] = 0;\
1344	_seqbuf[_seqbufptr+7] = 0;\
1345	_SEQ_ADVBUF(8);}
1346
1347/*
1348 * Midi voice messages
1349 */
1350
1351#define _CHN_VOICE(dev, event, chn, note, parm)  { \
1352	_SEQ_NEEDBUF(8);\
1353	_seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1354	_seqbuf[_seqbufptr+1] = (dev);\
1355	_seqbuf[_seqbufptr+2] = (event);\
1356	_seqbuf[_seqbufptr+3] = (chn);\
1357	_seqbuf[_seqbufptr+4] = (note);\
1358	_seqbuf[_seqbufptr+5] = (parm);\
1359	_seqbuf[_seqbufptr+6] = (0);\
1360	_seqbuf[_seqbufptr+7] = 0;\
1361	_SEQ_ADVBUF(8);}
1362
1363#define SEQ_START_NOTE(dev, chn, note, vol) \
1364		_CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1365
1366#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1367		_CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1368
1369#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1370		_CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1371
1372/*
1373 * Midi channel messages
1374 */
1375
1376#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
1377	_SEQ_NEEDBUF(8);\
1378	_seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1379	_seqbuf[_seqbufptr+1] = (dev);\
1380	_seqbuf[_seqbufptr+2] = (event);\
1381	_seqbuf[_seqbufptr+3] = (chn);\
1382	_seqbuf[_seqbufptr+4] = (p1);\
1383	_seqbuf[_seqbufptr+5] = (p2);\
1384	*(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1385	_SEQ_ADVBUF(8);}
1386/*
1387 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1388 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1389 * so _will_ cause problems with MPU401 intelligent mode).
1390 *
1391 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1392 * sent by calling SEQ_SYSEX() several times (there must be no other events
1393 * between them). First sysex fragment must have 0xf0 in the first byte
1394 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1395 * between these sysex start and end markers cannot be larger than 0x7f. Also
1396 * lengths of each fragments (except the last one) must be 6.
1397 *
1398 * Breaking the above rules may work with some MIDI ports but is likely to
1399 * cause fatal problems with some other devices (such as MPU401).
1400 */
1401#define SEQ_SYSEX(dev, buf, len) { \
1402	int i, l=(len); if (l>6)l=6;\
1403	_SEQ_NEEDBUF(8);\
1404	_seqbuf[_seqbufptr] = EV_SYSEX;\
1405	for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1406	for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1407	_SEQ_ADVBUF(8);}
1408
1409#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1410	_CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1411
1412#define SEQ_SET_PATCH(dev, chn, patch) \
1413	_CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1414
1415#define SEQ_CONTROL(dev, chn, controller, value) \
1416	_CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1417
1418#define SEQ_BENDER(dev, chn, value) \
1419	_CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1420
1421#define SEQ_V2_X_CONTROL(dev, voice, controller, value)	{ \
1422	_SEQ_NEEDBUF(8);\
1423	_seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1424	_seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1425	_seqbuf[_seqbufptr+2] = (dev);\
1426	_seqbuf[_seqbufptr+3] = (voice);\
1427	_seqbuf[_seqbufptr+4] = (controller);\
1428	*(short *)&_seqbuf[_seqbufptr+5] = (value);\
1429	_seqbuf[_seqbufptr+7] = 0;\
1430	_SEQ_ADVBUF(8);}
1431
1432/*
1433 * The following 5 macros are incorrectly implemented and obsolete.
1434 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1435 */
1436
1437#define SEQ_PITCHBEND(dev, voice, value) \
1438	SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1439#define SEQ_BENDER_RANGE(dev, voice, value) \
1440	SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1441#define SEQ_EXPRESSION(dev, voice, value) \
1442	SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1443#define SEQ_MAIN_VOLUME(dev, voice, value) \
1444	SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1445#define SEQ_PANNING(dev, voice, pos) \
1446	SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1447
1448/*
1449 * Timing and synchronization macros
1450 */
1451
1452#define _TIMER_EVENT(ev, parm)		{ \
1453	_SEQ_NEEDBUF(8);\
1454	_seqbuf[_seqbufptr+0] = EV_TIMING; \
1455	_seqbuf[_seqbufptr+1] = (ev); \
1456	_seqbuf[_seqbufptr+2] = 0;\
1457	_seqbuf[_seqbufptr+3] = 0;\
1458	*(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1459	_SEQ_ADVBUF(8); \
1460	}
1461
1462#define SEQ_START_TIMER()		_TIMER_EVENT(TMR_START, 0)
1463#define SEQ_STOP_TIMER()		_TIMER_EVENT(TMR_STOP, 0)
1464#define SEQ_CONTINUE_TIMER()		_TIMER_EVENT(TMR_CONTINUE, 0)
1465#define SEQ_WAIT_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_ABS, ticks)
1466#define SEQ_DELTA_TIME(ticks)		_TIMER_EVENT(TMR_WAIT_REL, ticks)
1467#define SEQ_ECHO_BACK(key)		_TIMER_EVENT(TMR_ECHO, key)
1468#define SEQ_SET_TEMPO(value)		_TIMER_EVENT(TMR_TEMPO, value)
1469#define SEQ_SONGPOS(pos)		_TIMER_EVENT(TMR_SPP, pos)
1470#define SEQ_TIME_SIGNATURE(sig)		_TIMER_EVENT(TMR_TIMESIG, sig)
1471
1472/*
1473 * Local control events
1474 */
1475
1476#define _LOCAL_EVENT(ev, parm)		{ \
1477	_SEQ_NEEDBUF(8);\
1478	_seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1479	_seqbuf[_seqbufptr+1] = (ev); \
1480	_seqbuf[_seqbufptr+2] = 0;\
1481	_seqbuf[_seqbufptr+3] = 0;\
1482	*(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1483	_SEQ_ADVBUF(8); \
1484	}
1485
1486#define SEQ_PLAYAUDIO(devmask)		_LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1487/*
1488 * Events for the level 1 interface only
1489 */
1490
1491#define SEQ_MIDIOUT(device, byte)	{ \
1492	_SEQ_NEEDBUF(4);\
1493	_seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1494	_seqbuf[_seqbufptr+1] = (byte);\
1495	_seqbuf[_seqbufptr+2] = (device);\
1496	_seqbuf[_seqbufptr+3] = 0;\
1497	_SEQ_ADVBUF(4);}
1498
1499/*
1500 * Patch loading.
1501 */
1502#define SEQ_WRPATCH(patchx, len)	{ \
1503	if (_seqbufptr) seqbuf_dump(); \
1504	if (write(seqfd, (char*)(patchx), len)==-1) \
1505	   perror("Write patch: /dev/sequencer"); \
1506	}
1507
1508#define SEQ_WRPATCH2(patchx, len)	\
1509	( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
1510
1511#endif
1512
1513/*
1514 * Here I have moved all the aliases for ioctl names.
1515 */
1516
1517#define SNDCTL_DSP_SAMPLESIZE	SNDCTL_DSP_SETFMT
1518#define SOUND_PCM_WRITE_BITS	SNDCTL_DSP_SETFMT
1519#define SOUND_PCM_SETFMT	SNDCTL_DSP_SETFMT
1520
1521#define SOUND_PCM_WRITE_RATE	SNDCTL_DSP_SPEED
1522#define SOUND_PCM_POST		SNDCTL_DSP_POST
1523#define SOUND_PCM_RESET		SNDCTL_DSP_RESET
1524#define SOUND_PCM_SYNC		SNDCTL_DSP_SYNC
1525#define SOUND_PCM_SUBDIVIDE	SNDCTL_DSP_SUBDIVIDE
1526#define SOUND_PCM_SETFRAGMENT	SNDCTL_DSP_SETFRAGMENT
1527#define SOUND_PCM_GETFMTS	SNDCTL_DSP_GETFMTS
1528#define SOUND_PCM_GETOSPACE	SNDCTL_DSP_GETOSPACE
1529#define SOUND_PCM_GETISPACE	SNDCTL_DSP_GETISPACE
1530#define SOUND_PCM_NONBLOCK	SNDCTL_DSP_NONBLOCK
1531#define SOUND_PCM_GETCAPS	SNDCTL_DSP_GETCAPS
1532#define SOUND_PCM_GETTRIGGER	SNDCTL_DSP_GETTRIGGER
1533#define SOUND_PCM_SETTRIGGER	SNDCTL_DSP_SETTRIGGER
1534#define SOUND_PCM_SETSYNCRO	SNDCTL_DSP_SETSYNCRO
1535#define SOUND_PCM_GETIPTR	SNDCTL_DSP_GETIPTR
1536#define SOUND_PCM_GETOPTR	SNDCTL_DSP_GETOPTR
1537#define SOUND_PCM_MAPINBUF	SNDCTL_DSP_MAPINBUF
1538#define SOUND_PCM_MAPOUTBUF	SNDCTL_DSP_MAPOUTBUF
1539
1540/***********************************************************************/
1541
1542/**
1543 * XXX OSSv4 defines -- some bits taken straight out of the new
1544 * sys/soundcard.h bundled with recent OSS releases.
1545 *
1546 * NB:  These macros and structures will be reorganized and inserted
1547 * 	in appropriate places throughout this file once the code begins
1548 * 	to take shape.
1549 *
1550 * @todo reorganize layout more like the 4Front version
1551 * @todo ask about maintaining __SIOWR vs. _IOWR ioctl cmd defines
1552 */
1553
1554/**
1555 * @note The @c OSSV4_EXPERIMENT macro is meant to wrap new development code
1556 * in the sound system relevant to adopting 4Front's OSSv4 specification.
1557 * Users should not enable this!  Really!
1558 */
1559#if 0
1560# define OSSV4_EXPERIMENT 1
1561#else
1562# undef OSSV4_EXPERIMENT
1563#endif
1564
1565#ifdef SOUND_VERSION
1566# undef SOUND_VERSION
1567# define SOUND_VERSION	0x040000
1568#endif	/* !SOUND_VERSION */
1569
1570#define OSS_LONGNAME_SIZE	64
1571#define OSS_LABEL_SIZE		16
1572#define OSS_DEVNODE_SIZE        32
1573typedef char oss_longname_t[OSS_LONGNAME_SIZE];
1574typedef char oss_label_t[OSS_LABEL_SIZE];
1575typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
1576
1577typedef struct audio_errinfo
1578{
1579	int		play_underruns;
1580	int		rec_overruns;
1581	unsigned int	play_ptradjust;
1582	unsigned int	rec_ptradjust;
1583	int		play_errorcount;
1584	int		rec_errorcount;
1585	int		play_lasterror;
1586	int		rec_lasterror;
1587	long		play_errorparm;
1588	long		rec_errorparm;
1589	int		filler[16];
1590} audio_errinfo;
1591
1592#define SNDCTL_DSP_GETPLAYVOL           _IOR ('P', 24, int)
1593#define SNDCTL_DSP_SETPLAYVOL           _IOWR('P', 24, int)
1594#define SNDCTL_DSP_GETERROR             _IOR ('P', 25, audio_errinfo)
1595
1596/*
1597 ****************************************************************************
1598 * Sync groups for audio devices
1599 */
1600typedef struct oss_syncgroup
1601{
1602  int id;
1603  int mode;
1604  int filler[16];
1605} oss_syncgroup;
1606
1607#define SNDCTL_DSP_SYNCGROUP            _IOWR('P', 28, oss_syncgroup)
1608#define SNDCTL_DSP_SYNCSTART            _IOW ('P', 29, int)
1609
1610/*
1611 **************************************************************************
1612 * "cooked" mode enables software based conversions for sample rate, sample
1613 * format (bits) and number of channels (mono/stereo). These conversions are
1614 * required with some devices that support only one sample rate or just stereo
1615 * to let the applications to use other formats. The cooked mode is enabled by
1616 * default. However it's necessary to disable this mode when mmap() is used or
1617 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an
1618 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_
1619 * since normally this call will return erno=EINVAL.
1620 *
1621 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing
1622 * anything else. Otherwise the call will not have any effect.
1623 */
1624#define SNDCTL_DSP_COOKEDMODE           _IOW ('P', 30, int)
1625
1626/*
1627 **************************************************************************
1628 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0
1629 * that can be used to implement pause/continue during playback (no effect
1630 * on recording).
1631 */
1632#define SNDCTL_DSP_SILENCE              _IO  ('P', 31)
1633#define SNDCTL_DSP_SKIP                 _IO  ('P', 32)
1634
1635/*
1636 ****************************************************************************
1637 * Abort transfer (reset) functions for input and output
1638 */
1639#define SNDCTL_DSP_HALT_INPUT		_IO  ('P', 33)
1640#define SNDCTL_DSP_RESET_INPUT	SNDCTL_DSP_HALT_INPUT	/* Old name */
1641#define SNDCTL_DSP_HALT_OUTPUT		_IO  ('P', 34)
1642#define SNDCTL_DSP_RESET_OUTPUT	SNDCTL_DSP_HALT_OUTPUT	/* Old name */
1643
1644/*
1645 ****************************************************************************
1646 * Low water level control
1647 */
1648#define SNDCTL_DSP_LOW_WATER		_IOW ('P', 34, int)
1649
1650/** @todo Get rid of OSS_NO_LONG_LONG references? */
1651
1652/*
1653 ****************************************************************************
1654 * 64 bit pointer support. Only available in environments that support
1655 * the 64 bit (long long) integer type.
1656 */
1657#ifndef OSS_NO_LONG_LONG
1658typedef struct
1659{
1660  long long samples;
1661  int fifo_samples;
1662  int filler[32];		/* For future use */
1663} oss_count_t;
1664
1665#define SNDCTL_DSP_CURRENT_IPTR		_IOR ('P', 35, oss_count_t)
1666#define SNDCTL_DSP_CURRENT_OPTR		_IOR ('P', 36, oss_count_t)
1667#endif
1668
1669/*
1670 ****************************************************************************
1671 * Interface for selecting recording sources and playback output routings.
1672 */
1673#define SNDCTL_DSP_GET_RECSRC_NAMES     _IOR ('P', 37, oss_mixer_enuminfo)
1674#define SNDCTL_DSP_GET_RECSRC           _IOR ('P', 38, int)
1675#define SNDCTL_DSP_SET_RECSRC           _IOWR('P', 38, int)
1676
1677#define SNDCTL_DSP_GET_PLAYTGT_NAMES    _IOR ('P', 39, oss_mixer_enuminfo)
1678#define SNDCTL_DSP_GET_PLAYTGT          _IOR ('P', 40, int)
1679#define SNDCTL_DSP_SET_PLAYTGT          _IOWR('P', 40, int)
1680#define SNDCTL_DSP_GETRECVOL            _IOR ('P', 41, int)
1681#define SNDCTL_DSP_SETRECVOL            _IOWR('P', 41, int)
1682
1683/*
1684 ***************************************************************************
1685 * Some calls for setting the channel assignment with multi channel devices
1686 * (see the manual for details).                                                 */
1687#define SNDCTL_DSP_GET_CHNORDER         _IOR ('P', 42, unsigned long long)
1688#define SNDCTL_DSP_SET_CHNORDER         _IOWR('P', 42, unsigned long long)
1689#       define CHID_UNDEF       0
1690#       define CHID_L           1
1691#       define CHID_R           2
1692#       define CHID_C           3
1693#       define CHID_LFE         4
1694#       define CHID_LS          5
1695#       define CHID_RS          6
1696#       define CHID_LR          7
1697#       define CHID_RR          8
1698#define CHNORDER_UNDEF          0x0000000000000000ULL
1699#define CHNORDER_NORMAL         0x0000000087654321ULL
1700
1701#define MAX_PEAK_CHANNELS	128
1702typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS];
1703#define SNDCTL_DSP_GETIPEAKS		_IOR('P', 43, oss_peaks_t)
1704#define SNDCTL_DSP_GETOPEAKS		_IOR('P', 44, oss_peaks_t)
1705#define SNDCTL_DSP_POLICY               _IOW('P', 45, int)    /* See the manual */
1706
1707/*
1708 ****************************************************************************
1709 * Few ioctl calls that are not official parts of OSS. They have been used
1710 * by few freeware implementations of OSS.
1711 */
1712#define SNDCTL_DSP_GETCHANNELMASK	_IOWR('P', 64, int)
1713#define SNDCTL_DSP_BIND_CHANNEL		_IOWR('P', 65, int)
1714#define DSP_BIND_QUERY			0x00000000
1715#define DSP_BIND_FRONT			0x00000001
1716#define DSP_BIND_SURR			0x00000002
1717#define DSP_BIND_CENTER_LFE		0x00000004
1718#define DSP_BIND_HANDSET		0x00000008
1719#define DSP_BIND_MIC			0x00000010
1720#define DSP_BIND_MODEM1			0x00000020
1721#define DSP_BIND_MODEM2			0x00000040
1722#define DSP_BIND_I2S			0x00000080
1723#define DSP_BIND_SPDIF			0x00000100
1724#define DSP_BIND_REAR			0x00000200
1725
1726/*
1727 * OSS_SYSIFO is obsolete. Use SNDCTL_SYSINFO insteads.
1728 */
1729#define OSS_GETVERSION                  _IOR ('M', 118, int)
1730
1731/**
1732 * @brief	Argument for SNDCTL_SYSINFO ioctl.
1733 *
1734 * For use w/ the SNDCTL_SYSINFO ioctl available on audio (/dev/dsp*),
1735 * mixer, and MIDI devices.
1736 */
1737typedef struct oss_sysinfo
1738{
1739	char	product[32];	/* For example OSS/Free, OSS/Linux or
1740				   OSS/Solaris */
1741	char	version[32];	/* For example 4.0a */
1742	int	versionnum;	/* See OSS_GETVERSION */
1743	char	options[128];	/* Reserved */
1744
1745	int	numaudios;	/* # of audio/dsp devices */
1746	int	openedaudio[8];	/* Bit mask telling which audio devices
1747				   are busy */
1748
1749	int	numsynths;	/* # of availavle synth devices */
1750	int	nummidis;	/* # of available MIDI ports */
1751	int	numtimers;	/* # of available timer devices */
1752	int	nummixers;	/* # of mixer devices */
1753
1754	int	openedmidi[8];	/* Bit mask telling which midi devices
1755				   are busy */
1756	int	numcards;	/* Number of sound cards in the system */
1757	int	numaudioengines;	/* Number of audio engines in the system */
1758	char	license[16];	/* For example "GPL" or "CDDL" */
1759	char	revision_info[256];	/* For internal use */
1760	int	filler[172];	/* For future expansion (set to -1) */
1761} oss_sysinfo;
1762
1763typedef struct oss_mixext
1764{
1765  int dev;			/* Mixer device number */
1766  int ctrl;			/* Controller number */
1767  int type;			/* Entry type */
1768#	define MIXT_DEVROOT	 0	/* Device root entry */
1769#	define MIXT_GROUP	 1	/* Controller group */
1770#	define MIXT_ONOFF	 2	/* OFF (0) or ON (1) */
1771#	define MIXT_ENUM	 3	/* Enumerated (0 to maxvalue) */
1772#	define MIXT_MONOSLIDER	 4	/* Mono slider (0 to 100) */
1773#	define MIXT_STEREOSLIDER 5	/* Stereo slider (dual 0 to 100) */
1774#	define MIXT_MESSAGE	 6	/* (Readable) textual message */
1775#	define MIXT_MONOVU	 7	/* VU meter value (mono) */
1776#	define MIXT_STEREOVU	 8	/* VU meter value (stereo) */
1777#	define MIXT_MONOPEAK	 9	/* VU meter peak value (mono) */
1778#	define MIXT_STEREOPEAK	10	/* VU meter peak value (stereo) */
1779#	define MIXT_RADIOGROUP	11	/* Radio button group */
1780#	define MIXT_MARKER	12	/* Separator between normal and extension entries */
1781#	define MIXT_VALUE	13	/* Decimal value entry */
1782#	define MIXT_HEXVALUE	14	/* Hexadecimal value entry */
1783#	define MIXT_MONODB	15	/* Mono atten. slider (0 to -144) */
1784#	define MIXT_STEREODB	16	/* Stereo atten. slider (dual 0 to -144) */
1785#	define MIXT_SLIDER	17	/* Slider (mono) with full integer range */
1786#	define MIXT_3D		18
1787
1788  /* Possible value range (minvalue to maxvalue) */
1789  /* Note that maxvalue may also be smaller than minvalue */
1790  int maxvalue;
1791  int minvalue;
1792
1793  int flags;
1794#	define MIXF_READABLE	0x00000001	/* Has readable value */
1795#	define MIXF_WRITEABLE	0x00000002	/* Has writeable value */
1796#	define MIXF_POLL	0x00000004	/* May change itself */
1797#	define MIXF_HZ		0x00000008	/* Herz scale */
1798#	define MIXF_STRING	0x00000010	/* Use dynamic extensions for value */
1799#	define MIXF_DYNAMIC	0x00000010	/* Supports dynamic extensions */
1800#	define MIXF_OKFAIL	0x00000020	/* Interpret value as 1=OK, 0=FAIL */
1801#	define MIXF_FLAT	0x00000040	/* Flat vertical space requirements */
1802#	define MIXF_LEGACY	0x00000080	/* Legacy mixer control group */
1803  char id[16];			/* Mnemonic ID (mainly for internal use) */
1804  int parent;			/* Entry# of parent (group) node (-1 if root) */
1805
1806  int dummy;			/* Internal use */
1807
1808  int timestamp;
1809
1810  char data[64];		/* Misc data (entry type dependent) */
1811  unsigned char enum_present[32];	/* Mask of allowed enum values */
1812  int control_no;		/* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */
1813  /* (-1 means not indicated) */
1814
1815/*
1816 * The desc field is reserved for internal purposes of OSS. It should not be
1817 * used by applications.
1818 */
1819  unsigned int desc;
1820#define MIXEXT_SCOPE_MASK			0x0000003f
1821#define MIXEXT_SCOPE_OTHER			0x00000000
1822#define MIXEXT_SCOPE_INPUT			0x00000001
1823#define MIXEXT_SCOPE_OUTPUT			0x00000002
1824#define MIXEXT_SCOPE_MONITOR			0x00000003
1825#define MIXEXT_SCOPE_RECSWITCH			0x00000004
1826
1827  char extname[32];
1828  int update_counter;
1829  int filler[7];
1830} oss_mixext;
1831
1832typedef struct oss_mixext_root
1833{
1834  char id[16];
1835  char name[48];
1836} oss_mixext_root;
1837
1838typedef struct oss_mixer_value
1839{
1840  int dev;
1841  int ctrl;
1842  int value;
1843  int flags;			/* Reserved for future use. Initialize to 0 */
1844  int timestamp;		/* Must be set to oss_mixext.timestamp */
1845  int filler[8];		/* Reserved for future use. Initialize to 0 */
1846} oss_mixer_value;
1847
1848#define OSS_ENUM_MAXVALUE       255
1849typedef struct oss_mixer_enuminfo
1850{
1851	int	dev;
1852	int	ctrl;
1853	int	nvalues;
1854	int	version;                  /* Read the manual */
1855	short	strindex[OSS_ENUM_MAXVALUE];
1856	char	strings[3000];
1857} oss_mixer_enuminfo;
1858
1859#define OPEN_READ       PCM_ENABLE_INPUT
1860#define OPEN_WRITE      PCM_ENABLE_OUTPUT
1861#define OPEN_READWRITE  (OPEN_READ|OPEN_WRITE)
1862
1863/**
1864 * @brief	Argument for SNDCTL_AUDIOINFO ioctl.
1865 *
1866 * For use w/ the SNDCTL_AUDIOINFO ioctl available on audio (/dev/dsp*)
1867 * devices.
1868 */
1869typedef struct oss_audioinfo
1870{
1871	int	dev;		/* Audio device number */
1872	char	name[64];
1873	int	busy;		/* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
1874	int	pid;
1875	int	caps;		/* DSP_CAP_INPUT, DSP_CAP_OUTPUT */
1876	int	iformats;
1877	int	oformats;
1878	int	magic;		/* Reserved for internal use */
1879	char 	cmd[64];	/* Command using the device (if known) */
1880	int	card_number;
1881	int	port_number;
1882	int	mixer_dev;
1883	int	real_device;	/* Obsolete field. Replaced by devnode */
1884	int	enabled;	/* 1=enabled, 0=device not ready at this
1885				   moment */
1886	int	flags;		/* For internal use only - no practical
1887				   meaning */
1888	int	min_rate;	/* Sample rate limits */
1889	int	max_rate;
1890	int	min_channels;	/* Number of channels supported */
1891	int	max_channels;
1892	int	binding;	/* DSP_BIND_FRONT, etc. 0 means undefined */
1893	int	rate_source;
1894	char	handle[32];
1895	#define OSS_MAX_SAMPLE_RATES	20	/* Cannot be changed  */
1896	unsigned int nrates;
1897	unsigned int rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */
1898	oss_longname_t	song_name;	/* Song name (if given) */
1899	oss_label_t	label;		/* Device label (if given) */
1900	int		latency;	/* In usecs, -1=unknown */
1901	oss_devnode_t	devnode;	/* Device special file name (inside
1902					   /dev) */
1903	int next_play_engine;
1904	int next_rec_engine;
1905	int filler[184];
1906} oss_audioinfo;
1907
1908typedef struct oss_mixerinfo
1909{
1910  int dev;
1911  char id[16];
1912  char name[32];
1913  int modify_counter;
1914  int card_number;
1915  int port_number;
1916  char handle[32];
1917  int magic;			/* Reserved */
1918  int enabled;			/* Reserved */
1919  int caps;
1920#define MIXER_CAP_VIRTUAL				0x00000001
1921  int flags;			/* Reserved */
1922  int nrext;
1923  /*
1924   * The priority field can be used to select the default (motherboard)
1925   * mixer device. The mixer with the highest priority is the
1926   * most preferred one. -2 or less means that this device cannot be used
1927   * as the default mixer.
1928   */
1929  int priority;
1930  int filler[254];		/* Reserved */
1931} oss_mixerinfo;
1932
1933typedef struct oss_midi_info
1934{
1935  int dev;			/* Midi device number */
1936  char name[64];
1937  int busy;			/* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
1938  int pid;
1939  char cmd[64];			/* Command using the device (if known) */
1940  int caps;
1941#define MIDI_CAP_MPU401		0x00000001	/**** OBSOLETE ****/
1942#define MIDI_CAP_INPUT		0x00000002
1943#define MIDI_CAP_OUTPUT		0x00000004
1944#define MIDI_CAP_INOUT		(MIDI_CAP_INPUT|MIDI_CAP_OUTPUT)
1945#define MIDI_CAP_VIRTUAL	0x00000008	/* Pseudo device */
1946#define MIDI_CAP_MTCINPUT	0x00000010	/* Supports SNDCTL_MIDI_MTCINPUT */
1947#define MIDI_CAP_CLIENT		0x00000020	/* Virtual client side device */
1948#define MIDI_CAP_SERVER		0x00000040	/* Virtual server side device */
1949#define MIDI_CAP_INTERNAL	0x00000080	/* Internal (synth) device */
1950#define MIDI_CAP_EXTERNAL	0x00000100	/* external (MIDI port) device */
1951#define MIDI_CAP_PTOP		0x00000200	/* Point to point link to one device */
1952#define MIDI_CAP_MTC		0x00000400	/* MTC/SMPTE (control) device */
1953  int magic;			/* Reserved for internal use */
1954  int card_number;
1955  int port_number;
1956  int enabled;			/* 1=enabled, 0=device not ready at this moment */
1957  int flags;			/* For internal use only - no practical meaning */
1958  char handle[32];
1959  oss_longname_t song_name;	/* Song name (if known) */
1960  oss_label_t label;		/* Device label (if given) */
1961  int latency;			/* In usecs, -1=unknown */
1962  int filler[244];
1963} oss_midi_info;
1964
1965typedef struct oss_card_info
1966{
1967  int card;
1968  char shortname[16];
1969  char longname[128];
1970  int flags;
1971  char hw_info[400];
1972  int intr_count, ack_count;
1973  int filler[154];
1974} oss_card_info;
1975
1976#define SNDCTL_SYSINFO          _IOR ('X', 1, oss_sysinfo)
1977#define OSS_SYSINFO             SNDCTL_SYSINFO /* Old name */
1978
1979#define SNDCTL_MIX_NRMIX	_IOR ('X', 2, int)
1980#define SNDCTL_MIX_NREXT	_IOWR('X', 3, int)
1981#define SNDCTL_MIX_EXTINFO	_IOWR('X', 4, oss_mixext)
1982#define SNDCTL_MIX_READ		_IOWR('X', 5, oss_mixer_value)
1983#define SNDCTL_MIX_WRITE	_IOWR('X', 6, oss_mixer_value)
1984
1985#define SNDCTL_AUDIOINFO	_IOWR('X', 7, oss_audioinfo)
1986#define SNDCTL_MIX_ENUMINFO	_IOWR('X', 8, oss_mixer_enuminfo)
1987#define SNDCTL_MIDIINFO		_IOWR('X', 9, oss_midi_info)
1988#define SNDCTL_MIXERINFO	_IOWR('X',10, oss_mixerinfo)
1989#define SNDCTL_CARDINFO		_IOWR('X',11, oss_card_info)
1990#define SNDCTL_ENGINEINFO	_IOWR('X',12, oss_audioinfo)
1991#define SNDCTL_AUDIOINFO_EX	_IOWR('X',13, oss_audioinfo)
1992
1993/*
1994 * Few more "globally" available ioctl calls.
1995 */
1996#define SNDCTL_SETSONG          _IOW ('Y', 2, oss_longname_t)
1997#define SNDCTL_GETSONG          _IOR ('Y', 2, oss_longname_t)
1998#define SNDCTL_SETNAME          _IOW ('Y', 3, oss_longname_t)
1999#define SNDCTL_SETLABEL         _IOW ('Y', 4, oss_label_t)
2000#define SNDCTL_GETLABEL         _IOR ('Y', 4, oss_label_t)
2001
2002#endif	/* !_SYS_SOUNDCARD_H_ */
2003