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