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#define AFMT_F32_LE 0x10000000 /* Little endian 32-bit floating point */
188#define AFMT_F32_BE 0x20000000 /* Big endian 32-bit floating point */
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#define AFMT_F32_NE AFMT_F32_LE
205#define AFMT_F32_OE AFMT_F32_BE
206#else
207#define AFMT_S16_OE AFMT_S16_LE
208#define AFMT_S24_OE AFMT_S24_LE
209#define AFMT_S32_OE AFMT_S32_LE
210#define AFMT_U16_OE AFMT_U16_LE
211#define AFMT_U24_OE AFMT_U24_LE
212#define AFMT_U32_OE AFMT_U32_LE
213#define AFMT_S16_NE AFMT_S16_BE
214#define AFMT_S24_NE AFMT_S24_BE
215#define AFMT_S32_NE AFMT_S32_BE
216#define AFMT_U16_NE AFMT_U16_BE
217#define AFMT_U24_NE AFMT_U24_BE
218#define AFMT_U32_NE AFMT_U32_BE
219#define AFMT_F32_NE AFMT_F32_BE
220#define AFMT_F32_OE AFMT_F32_LE
221#endif
222
223#define AFMT_FLOAT AFMT_F32_NE /* compatibility alias */
224
225#define AFMT_STEREO 0x10000000 /* can do/want stereo */
226
227/*
228 * the following are really capabilities
229 */
230#define AFMT_WEIRD 0x20000000 /* weird hardware... */
231 /*
232 * AFMT_WEIRD reports that the hardware might need to operate
233 * with different formats in the playback and capture
234 * channels when operating in full duplex.
235 * As an example, SoundBlaster16 cards only support U8 in one
236 * direction and S16 in the other one, and applications should
237 * be aware of this limitation.
238 */
239#define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */
240
241/*
242 * The following structure is used to get/set format and sampling rate.
243 * While it would be better to have things such as stereo, bits per
244 * sample, endiannes, etc split in different variables, it turns out
245 * that formats are not that many, and not all combinations are possible.
246 * So we followed the Voxware approach of associating one bit to each
247 * format.
248 */
249
250typedef struct _snd_chan_param {
251 u_long play_rate; /* sampling rate */
252 u_long rec_rate; /* sampling rate */
253 u_long play_format; /* everything describing the format */
254 u_long rec_format; /* everything describing the format */
255} snd_chan_param;
256#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */
257#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */
258
259/*
260 * The following structure is used to get/set the mixer setting.
261 * Up to 32 mixers are supported, each one with up to 32 channels.
262 */
263typedef struct _snd_mix_param {
264 u_char subdev; /* which output */
265 u_char line; /* which input */
266 u_char left,right; /* volumes, 0..255, 0 = mute */
267} snd_mix_param ;
268
269/* XXX AIOGMIX, AIOSMIX not implemented yet */
270#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */
271#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */
272
273/*
274 * channel specifiers used in AIOSTOP and AIOSYNC
275 */
276#define AIOSYNC_PLAY 0x1 /* play chan */
277#define AIOSYNC_CAPTURE 0x2 /* capture chan */
278/* AIOSTOP stop & flush a channel, returns the residual count */
279#define AIOSTOP _IOWR ('A', 15, int)
280
281/* alternate method used to notify the sync condition */
282#define AIOSYNC_SIGNAL 0x100
283#define AIOSYNC_SELECT 0x200
284
285/* what the 'pos' field refers to */
286#define AIOSYNC_READY 0x400
287#define AIOSYNC_FREE 0x800
288
289typedef struct _snd_sync_parm {
290 long chan ; /* play or capture channel, plus modifier */
291 long pos;
292} snd_sync_parm;
293#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */
294
295/*
296 * The following is used to return device capabilities. If the structure
297 * passed to the ioctl is zeroed, default values are returned for rate
298 * and formats, a bitmap of available mixers is returned, and values
299 * (inputs, different levels) for the first one are returned.
300 *
301 * If formats, mixers, inputs are instantiated, then detailed info
302 * are returned depending on the call.
303 */
304typedef struct _snd_capabilities {
305 u_long rate_min, rate_max; /* min-max sampling rate */
306 u_long formats;
307 u_long bufsize; /* DMA buffer size */
308 u_long mixers; /* bitmap of available mixers */
309 u_long inputs; /* bitmap of available inputs (per mixer) */
310 u_short left, right; /* how many levels are supported */
311} snd_capabilities;
312#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */
313
314/*
315 * here is the old (Voxware) ioctl interface
316 */
317
318/*
319 * IOCTL Commands for /dev/sequencer
320 */
321
322#define SNDCTL_SEQ_RESET _IO ('Q', 0)
323#define SNDCTL_SEQ_SYNC _IO ('Q', 1)
324#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
325#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */
326#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
327#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
328#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
329#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
330#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
331#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
332#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
333#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
334#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
335#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int)
336#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */
337#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
338#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
339#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
340#define SNDCTL_SEQ_PANIC _IO ('Q',17)
341#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec)
342#define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int)
343
344struct seq_event_rec {
345 u_char arr[8];
346};
347
348#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int)
349#define SNDCTL_TMR_START _IO ('T', 2)
350#define SNDCTL_TMR_STOP _IO ('T', 3)
351#define SNDCTL_TMR_CONTINUE _IO ('T', 4)
352#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int)
353#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int)
354# define TMR_INTERNAL 0x00000001
355# define TMR_EXTERNAL 0x00000002
356# define TMR_MODE_MIDI 0x00000010
357# define TMR_MODE_FSK 0x00000020
358# define TMR_MODE_CLS 0x00000040
359# define TMR_MODE_SMPTE 0x00000080
360#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int)
361#define SNDCTL_TMR_SELECT _IOW ('T', 8, int)
362
363/*
364 * Endian aware patch key generation algorithm.
365 */
366
367#if defined(_AIX) || defined(AIX)
368# define _PATCHKEY(id) (0xfd00|id)
369#else
370# define _PATCHKEY(id) ((id<<8)|0xfd)
371#endif
372
373/*
374 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
375 * The following patch_info structure has been designed to support
376 * Gravis UltraSound. It tries to be universal format for uploading
377 * sample based patches but is probably too limited.
378 */
379
380struct patch_info {
381/* u_short key; Use GUS_PATCH here */
382 short key; /* Use GUS_PATCH here */
383#define GUS_PATCH _PATCHKEY(0x04)
384#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02)
385
386 short device_no; /* Synthesizer number */
387 short instr_no; /* Midi pgm# */
388
389 u_long mode;
390/*
391 * The least significant byte has the same format than the GUS .PAT
392 * files
393 */
394#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
395#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
396#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
397#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
398#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
399#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
400#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
401 /* (use the env_rate/env_offs fields). */
402/* Linux specific bits */
403#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
404#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
405#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
406/* Other bits must be zeroed */
407
408 long len; /* Size of the wave data in bytes */
409 long loop_start, loop_end; /* Byte offsets from the beginning */
410
411/*
412 * The base_freq and base_note fields are used when computing the
413 * playback speed for a note. The base_note defines the tone frequency
414 * which is heard if the sample is played using the base_freq as the
415 * playback speed.
416 *
417 * The low_note and high_note fields define the minimum and maximum note
418 * frequencies for which this sample is valid. It is possible to define
419 * more than one samples for an instrument number at the same time. The
420 * low_note and high_note fields are used to select the most suitable one.
421 *
422 * The fields base_note, high_note and low_note should contain
423 * the note frequency multiplied by 1000. For example value for the
424 * middle A is 440*1000.
425 */
426
427 u_int base_freq;
428 u_long base_note;
429 u_long high_note;
430 u_long low_note;
431 int panning; /* -128=left, 127=right */
432 int detuning;
433
434/* New fields introduced in version 1.99.5 */
435
436 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
437 u_char env_rate[ 6 ]; /* GUS HW ramping rate */
438 u_char env_offset[ 6 ]; /* 255 == 100% */
439
440 /*
441 * The tremolo, vibrato and scale info are not supported yet.
442 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
443 * WAVE_SCALE
444 */
445
446 u_char tremolo_sweep;
447 u_char tremolo_rate;
448 u_char tremolo_depth;
449
450 u_char vibrato_sweep;
451 u_char vibrato_rate;
452 u_char vibrato_depth;
453
454 int scale_frequency;
455 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */
456
457 int volume;
458 int spare[4];
459 char data[1]; /* The waveform data starts here */
460};
461
462struct sysex_info {
463 short key; /* Use GUS_PATCH here */
464#define SYSEX_PATCH _PATCHKEY(0x05)
465#define MAUI_PATCH _PATCHKEY(0x06)
466 short device_no; /* Synthesizer number */
467 long len; /* Size of the sysex data in bytes */
468 u_char data[1]; /* Sysex data starts here */
469};
470
471/*
472 * Patch management interface (/dev/sequencer, /dev/patmgr#)
473 * Don't use these calls if you want to maintain compatibility with
474 * the future versions of the driver.
475 */
476
477#define PS_NO_PATCHES 0 /* No patch support on device */
478#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
479#define PS_MGR_OK 2 /* Patch manager supported */
480#define PS_MANAGED 3 /* Patch manager running */
481
482#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
483
484/*
485 * The patmgr_info is a fixed size structure which is used for two
486 * different purposes. The intended use is for communication between
487 * the application using /dev/sequencer and the patch manager daemon
488 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
489 *
490 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
491 * a patch manager daemon to read and write device parameters. This
492 * ioctl available through /dev/sequencer also. Avoid using it since it's
493 * extremely hardware dependent. In addition access through /dev/sequencer
494 * may confuse the patch manager daemon.
495 */
496
497struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
498 u_long key; /* Don't worry. Reserved for communication
499 between the patch manager and the driver. */
500#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
501#define PM_K_COMMAND 2 /* Request from an application */
502#define PM_K_RESPONSE 3 /* From patmgr to application */
503#define PM_ERROR 4 /* Error returned by the patmgr */
504 int device;
505 int command;
506
507/*
508 * Commands 0x000 to 0xfff reserved for patch manager programs
509 */
510#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
511#define PMTYPE_FM2 1 /* 2 OP fm */
512#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
513#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
514#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
515#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
516#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
517#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
518#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
519#define PM_READ_PATCH 7 /* Read patch (wave) data */
520#define PM_WRITE_PATCH 8 /* Write patch (wave) data */
521
522/*
523 * Commands 0x1000 to 0xffff are for communication between the patch manager
524 * and the client
525 */
526#define _PM_LOAD_PATCH 0x100
527
528/*
529 * Commands above 0xffff reserved for device specific use
530 */
531
532 long parm1;
533 long parm2;
534 long parm3;
535
536 union {
537 u_char data8[4000];
538 u_short data16[2000];
539 u_long data32[1000];
540 struct patch_info patch;
541 } data;
542};
543
544/*
545 * When a patch manager daemon is present, it will be informed by the
546 * driver when something important happens. For example when the
547 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
548 * returned. The command field contains the event type:
549 */
550#define PM_E_OPENED 1 /* /dev/sequencer opened */
551#define PM_E_CLOSED 2 /* /dev/sequencer closed */
552#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
553#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
554
555/*
556 * /dev/sequencer input events.
557 *
558 * The data written to the /dev/sequencer is a stream of events. Events
559 * are records of 4 or 8 bytes. The first byte defines the size.
560 * Any number of events can be written with a write call. There
561 * is a set of macros for sending these events. Use these macros if you
562 * want to maximize portability of your program.
563 *
564 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
565 * (All input events are currently 4 bytes long. Be prepared to support
566 * 8 byte events also. If you receive any event having first byte >= 128,
567 * it's a 8 byte event.
568 *
569 * The events are documented at the end of this file.
570 *
571 * Normal events (4 bytes)
572 * There is also a 8 byte version of most of the 4 byte events. The
573 * 8 byte one is recommended.
574 */
575#define SEQ_NOTEOFF 0
576#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
577#define SEQ_NOTEON 1
578#define SEQ_FMNOTEON SEQ_NOTEON
579#define SEQ_WAIT TMR_WAIT_ABS
580#define SEQ_PGMCHANGE 3
581#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
582#define SEQ_SYNCTIMER TMR_START
583#define SEQ_MIDIPUTC 5
584#define SEQ_DRUMON 6 /*** OBSOLETE ***/
585#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
586#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
587#define SEQ_AFTERTOUCH 9
588#define SEQ_CONTROLLER 10
589
590/*
591 * Midi controller numbers
592 *
593 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
594 * are continuous controllers.
595 * In the MIDI 1.0 these controllers are sent using two messages.
596 * Controller numbers 0 to 31 are used to send the MSB and the
597 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
598 * are used in MIDI bytes.
599 */
600
601#define CTL_BANK_SELECT 0x00
602#define CTL_MODWHEEL 0x01
603#define CTL_BREATH 0x02
604/* undefined 0x03 */
605#define CTL_FOOT 0x04
606#define CTL_PORTAMENTO_TIME 0x05
607#define CTL_DATA_ENTRY 0x06
608#define CTL_MAIN_VOLUME 0x07
609#define CTL_BALANCE 0x08
610/* undefined 0x09 */
611#define CTL_PAN 0x0a
612#define CTL_EXPRESSION 0x0b
613/* undefined 0x0c - 0x0f */
614#define CTL_GENERAL_PURPOSE1 0x10
615#define CTL_GENERAL_PURPOSE2 0x11
616#define CTL_GENERAL_PURPOSE3 0x12
617#define CTL_GENERAL_PURPOSE4 0x13
618/* undefined 0x14 - 0x1f */
619
620/* undefined 0x20 */
621
622/*
623 * The controller numbers 0x21 to 0x3f are reserved for the
624 * least significant bytes of the controllers 0x00 to 0x1f.
625 * These controllers are not recognised by the driver.
626 *
627 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
628 * 0=OFF and 127=ON (intermediate values are possible)
629 */
630#define CTL_DAMPER_PEDAL 0x40
631#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */
632#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */
633#define CTL_PORTAMENTO 0x41
634#define CTL_SOSTENUTO 0x42
635#define CTL_SOFT_PEDAL 0x43
636/* undefined 0x44 */
637#define CTL_HOLD2 0x45
638/* undefined 0x46 - 0x4f */
639
640#define CTL_GENERAL_PURPOSE5 0x50
641#define CTL_GENERAL_PURPOSE6 0x51
642#define CTL_GENERAL_PURPOSE7 0x52
643#define CTL_GENERAL_PURPOSE8 0x53
644/* undefined 0x54 - 0x5a */
645#define CTL_EXT_EFF_DEPTH 0x5b
646#define CTL_TREMOLO_DEPTH 0x5c
647#define CTL_CHORUS_DEPTH 0x5d
648#define CTL_DETUNE_DEPTH 0x5e
649#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */
650#define CTL_PHASER_DEPTH 0x5f
651#define CTL_DATA_INCREMENT 0x60
652#define CTL_DATA_DECREMENT 0x61
653#define CTL_NONREG_PARM_NUM_LSB 0x62
654#define CTL_NONREG_PARM_NUM_MSB 0x63
655#define CTL_REGIST_PARM_NUM_LSB 0x64
656#define CTL_REGIST_PARM_NUM_MSB 0x65
657/* undefined 0x66 - 0x78 */
658/* reserved 0x79 - 0x7f */
659
660/* Pseudo controllers (not midi compatible) */
661#define CTRL_PITCH_BENDER 255
662#define CTRL_PITCH_BENDER_RANGE 254
663#define CTRL_EXPRESSION 253 /* Obsolete */
664#define CTRL_MAIN_VOLUME 252 /* Obsolete */
665
666#define SEQ_BALANCE 11
667#define SEQ_VOLMODE 12
668
669/*
670 * Volume mode decides how volumes are used
671 */
672
673#define VOL_METHOD_ADAGIO 1
674#define VOL_METHOD_LINEAR 2
675
676/*
677 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
678 * input events.
679 */
680
681/*
682 * Event codes 0xf0 to 0xfc are reserved for future extensions.
683 */
684
685#define SEQ_FULLSIZE 0xfd /* Long events */
686/*
687 * SEQ_FULLSIZE events are used for loading patches/samples to the
688 * synthesizer devices. These events are passed directly to the driver
689 * of the associated synthesizer device. There is no limit to the size
690 * of the extended events. These events are not queued but executed
691 * immediately when the write() is called (execution can take several
692 * seconds of time).
693 *
694 * When a SEQ_FULLSIZE message is written to the device, it must
695 * be written using exactly one write() call. Other events cannot
696 * be mixed to the same write.
697 *
698 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
699 * it to the /dev/sequencer. Don't write other data together with
700 * the instrument structure Set the key field of the structure to
701 * FM_PATCH. The device field is used to route the patch to the
702 * corresponding device.
703 *
704 * For Gravis UltraSound use struct patch_info. Initialize the key field
705 * to GUS_PATCH.
706 */
707#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
708#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
709
710/*
711 * Record for FM patches
712 */
713
714typedef u_char sbi_instr_data[32];
715
716struct sbi_instrument {
717 u_short key; /* FM_PATCH or OPL3_PATCH */
718#define FM_PATCH _PATCHKEY(0x01)
719#define OPL3_PATCH _PATCHKEY(0x03)
720 short device; /* Synth# (0-4) */
721 int channel; /* Program# to be initialized */
722 sbi_instr_data operators; /* Reg. settings for operator cells
723 * (.SBI format) */
724};
725
726struct synth_info { /* Read only */
727 char name[30];
728 int device; /* 0-N. INITIALIZE BEFORE CALLING */
729 int synth_type;
730#define SYNTH_TYPE_FM 0
731#define SYNTH_TYPE_SAMPLE 1
732#define SYNTH_TYPE_MIDI 2 /* Midi interface */
733
734 int synth_subtype;
735#define FM_TYPE_ADLIB 0x00
736#define FM_TYPE_OPL3 0x01
737#define MIDI_TYPE_MPU401 0x401
738
739#define SAMPLE_TYPE_BASIC 0x10
740#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
741#define SAMPLE_TYPE_AWE32 0x20
742
743 int perc_mode; /* No longer supported */
744 int nr_voices;
745 int nr_drums; /* Obsolete field */
746 int instr_bank_size;
747 u_long capabilities;
748#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
749#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
750#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
751 int dummies[19]; /* Reserve space */
752};
753
754struct sound_timer_info {
755 char name[32];
756 int caps;
757};
758
759struct midi_info {
760 char name[30];
761 int device; /* 0-N. INITIALIZE BEFORE CALLING */
762 u_long capabilities; /* To be defined later */
763 int dev_type;
764 int dummies[18]; /* Reserve space */
765};
766
767/*
768 * ioctl commands for the /dev/midi##
769 */
770typedef struct {
771 u_char cmd;
772 char nr_args, nr_returns;
773 u_char data[30];
774} mpu_command_rec;
775
776#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int)
777#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int)
778#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec)
779#define MIOSPASSTHRU _IOWR('m', 3, int)
780#define MIOGPASSTHRU _IOWR('m', 4, int)
781
782/*
783 * IOCTL commands for /dev/dsp and /dev/audio
784 */
785
786#define SNDCTL_DSP_HALT _IO ('P', 0)
787#define SNDCTL_DSP_RESET SNDCTL_DSP_HALT
788#define SNDCTL_DSP_SYNC _IO ('P', 1)
789#define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
790#define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
791#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int)
792#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int)
793#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/
794
795/*
796 * SOUND_PCM_WRITE_CHANNELS is not that different
797 * from SNDCTL_DSP_STEREO
798 */
799#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
800#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS
801#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
802#define SNDCTL_DSP_POST _IO ('P', 8)
803
804/*
805 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
806 * the same thing, i.e. set the block size used in DMA transfers.
807 */
808#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
809#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int)
810
811#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */
812/*
813 * Buffer status queries.
814 */
815typedef struct audio_buf_info {
816 int fragments; /* # of avail. frags (partly used ones not counted) */
817 int fragstotal; /* Total # of fragments allocated */
818 int fragsize; /* Size of a fragment in bytes */
819
820 int bytes; /* Avail. space in bytes (includes partly used fragments) */
821 /* Note! 'bytes' could be more than fragments*fragsize */
822} audio_buf_info;
823
824#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info)
825#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info)
826
827/*
828 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
829 * action cannot be undone) of FIONBIO. The same can be achieved
830 * by opening the device with O_NDELAY
831 */
832#define SNDCTL_DSP_NONBLOCK _IO ('P',14)
833
834#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
835# define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
836# define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
837# define PCM_CAP_REALTIME 0x00000200 /* Not in use */
838# define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */
839 /* internal buffers which may */
840 /* cause some delays and */
841 /* decrease precision of timing */
842# define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */
843 /* Sometimes it's a DSP */
844 /* but usually not */
845# define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
846# define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */
847# define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */
848# define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */
849# define PCM_CAP_INPUT 0x00010000 /* Supports recording */
850# define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */
851# define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */
852/* 0x00040000 and 0x00080000 reserved for future use */
853
854/* Analog/digital control capabilities */
855# define PCM_CAP_ANALOGOUT 0x00100000
856# define PCM_CAP_ANALOGIN 0x00200000
857# define PCM_CAP_DIGITALOUT 0x00400000
858# define PCM_CAP_DIGITALIN 0x00800000
859# define PCM_CAP_ADMASK 0x00f00000
860/*
861 * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the
862 * digital/analog interface control features are not supported by the
863 * device/driver. However the device still supports analog, digital or
864 * both inputs/outputs (depending on the device). See the OSS Programmer's
865 * Guide for full details.
866 */
867# define PCM_CAP_SPECIAL 0x01000000 /* Not for ordinary "multimedia" use */
868# define PCM_CAP_SHADOW 0x00000000 /* OBSOLETE */
869
870/*
871 * Preferred channel usage. These bits can be used to
872 * give recommendations to the application. Used by few drivers.
873 * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that
874 * the device works best in mono mode. However it doesn't necessarily mean
875 * that the device cannot be used in stereo. These bits should only be used
876 * by special applications such as multi track hard disk recorders to find
877 * out the initial setup. However the user should be able to override this
878 * selection.
879 *
880 * To find out which modes are actually supported the application should
881 * try to select them using SNDCTL_DSP_CHANNELS.
882 */
883# define DSP_CH_MASK 0x06000000 /* Mask */
884# define DSP_CH_ANY 0x00000000 /* No preferred mode */
885# define DSP_CH_MONO 0x02000000
886# define DSP_CH_STEREO 0x04000000
887# define DSP_CH_MULTI 0x06000000 /* More than two channels */
888
889# define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */
890# define PCM_CAP_FREERATE 0x10000000
891# define PCM_CAP_MODEM 0x20000000 /* Modem device */
892# define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */
893
894/*
895 * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0
896 * so it's necessary to define the older names too.
897 */
898#define DSP_CAP_ADMASK PCM_CAP_ADMASK
899#define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN
900#define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT
901#define DSP_CAP_BATCH PCM_CAP_BATCH
902#define DSP_CAP_BIND PCM_CAP_BIND
903#define DSP_CAP_COPROC PCM_CAP_COPROC
904#define DSP_CAP_DEFAULT PCM_CAP_DEFAULT
905#define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN
906#define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT
907#define DSP_CAP_DUPLEX PCM_CAP_DUPLEX
908#define DSP_CAP_FREERATE PCM_CAP_FREERATE
909#define DSP_CAP_HIDDEN PCM_CAP_HIDDEN
910#define DSP_CAP_INPUT PCM_CAP_INPUT
911#define DSP_CAP_MMAP PCM_CAP_MMAP
912#define DSP_CAP_MODEM PCM_CAP_MODEM
913#define DSP_CAP_MULTI PCM_CAP_MULTI
914#define DSP_CAP_OUTPUT PCM_CAP_OUTPUT
915#define DSP_CAP_REALTIME PCM_CAP_REALTIME
916#define DSP_CAP_REVISION PCM_CAP_REVISION
917#define DSP_CAP_SHADOW PCM_CAP_SHADOW
918#define DSP_CAP_TRIGGER PCM_CAP_TRIGGER
919#define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL
920
921/*
922 * What do these function do ?
923 */
924#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
925#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
926#define PCM_ENABLE_INPUT 0x00000001
927#define PCM_ENABLE_OUTPUT 0x00000002
928
929typedef struct count_info {
930 int bytes; /* Total # of bytes processed */
931 int blocks; /* # of fragment transitions since last time */
932 int ptr; /* Current DMA pointer value */
933} count_info;
934
935/*
936 * GETIPTR and GETISPACE are not that different... same for out.
937 */
938#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info)
939#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info)
940
941typedef struct buffmem_desc {
942 caddr_t buffer;
943 int size;
944} buffmem_desc;
945
946#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc)
947#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc)
948#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)
949#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22)
950#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int)
951
952/*
953 * I guess these are the readonly version of the same
954 * functions that exist above as SNDCTL_DSP_...
955 */
956#define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
957#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
958#define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
959#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
960
961/*
962 * ioctl calls to be used in communication with coprocessors and
963 * DSP chips.
964 */
965
966typedef struct copr_buffer {
967 int command; /* Set to 0 if not used */
968 int flags;
969#define CPF_NONE 0x0000
970#define CPF_FIRST 0x0001 /* First block */
971#define CPF_LAST 0x0002 /* Last block */
972 int len;
973 int offs; /* If required by the device (0 if not used) */
974
975 u_char data[4000]; /* NOTE! 4000 is not 4k */
976} copr_buffer;
977
978typedef struct copr_debug_buf {
979 int command; /* Used internally. Set to 0 */
980 int parm1;
981 int parm2;
982 int flags;
983 int len; /* Length of data in bytes */
984} copr_debug_buf;
985
986typedef struct copr_msg {
987 int len;
988 u_char data[4000];
989} copr_msg;
990
991#define SNDCTL_COPR_RESET _IO ('C', 0)
992#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer)
993#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf)
994#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf)
995#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf)
996#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf)
997#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf)
998#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf)
999#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg)
1000#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg)
1001
1002/*
1003 * IOCTL commands for /dev/mixer
1004 */
1005
1006/*
1007 * Mixer devices
1008 *
1009 * There can be up to 20 different analog mixer channels. The
1010 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
1011 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
1012 * the devices supported by the particular mixer.
1013 */
1014
1015#define SOUND_MIXER_NRDEVICES 25
1016#define SOUND_MIXER_VOLUME 0 /* Master output level */
1017#define SOUND_MIXER_BASS 1 /* Treble level of all output channels */
1018#define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */
1019#define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */
1020#define SOUND_MIXER_PCM 4 /* Output level for the audio device */
1021#define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker
1022 * signals */
1023#define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */
1024#define SOUND_MIXER_MIC 7 /* Volume for the signal coming from
1025 * the microphone jack */
1026#define SOUND_MIXER_CD 8 /* Volume level for the input signal
1027 * connected to the CD audio input */
1028#define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the
1029 * output volume of the selected
1030 * recording sources while recording */
1031#define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec
1032 * device */
1033#define SOUND_MIXER_RECLEV 11 /* Global recording level */
1034#define SOUND_MIXER_IGAIN 12 /* Input gain */
1035#define SOUND_MIXER_OGAIN 13 /* Output gain */
1036/*
1037 * The AD1848 codec and compatibles have three line level inputs
1038 * (line, aux1 and aux2). Since each card manufacturer have assigned
1039 * different meanings to these inputs, it's inpractical to assign
1040 * specific meanings (line, cd, synth etc.) to them.
1041 */
1042#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
1043#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
1044#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
1045#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
1046#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
1047#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
1048#define SOUND_MIXER_PHONEIN 20 /* Phone input */
1049#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
1050#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
1051#define SOUND_MIXER_RADIO 23 /* Radio in */
1052#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
1053
1054/*
1055 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
1056 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
1057 */
1058#define SOUND_ONOFF_MIN 28
1059#define SOUND_ONOFF_MAX 30
1060#define SOUND_MIXER_MUTE 28 /* 0 or 1 */
1061#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
1062#define SOUND_MIXER_LOUD 30 /* 0 or 1 */
1063
1064/* Note! Number 31 cannot be used since the sign bit is reserved */
1065#define SOUND_MIXER_NONE 31
1066
1067#define SOUND_DEVICE_LABELS { \
1068 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
1069 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
1070 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
1071 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
1072
1073#define SOUND_DEVICE_NAMES { \
1074 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
1075 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
1076 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
1077 "phin", "phout", "video", "radio", "monitor"}
1078
1079/* Device bitmask identifiers */
1080
1081#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */
1082#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */
1083#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */
1084#define SOUND_MIXER_CAPS 0xfc
1085#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */
1086#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
1087
1088/* Device mask bits */
1089
1090#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
1091#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
1092#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
1093#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
1094#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
1095#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
1096#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
1097#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
1098#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
1099#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
1100#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
1101#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
1102#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
1103#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
1104#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
1105#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
1106#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
1107#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
1108#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
1109#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
1110#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
1111#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
1112#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
1113#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
1114#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
1115
1116/* Obsolete macros */
1117#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
1118#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
1119#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
1120
1121#define MIXER_READ(dev) _IOR('M', dev, int)
1122#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
1123#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
1124#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
1125#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
1126#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
1127#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
1128#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
1129#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
1130#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
1131#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
1132#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
1133#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
1134#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
1135#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
1136#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
1137#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
1138#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
1139#define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1)
1140#define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2)
1141#define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3)
1142#define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN)
1143#define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT)
1144#define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO)
1145#define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO)
1146#define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR)
1147
1148/* Obsolete macros */
1149#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
1150#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
1151#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
1152
1153#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
1154#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
1155#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
1156#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
1157#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
1158
1159#define MIXER_WRITE(dev) _IOWR('M', dev, int)
1160#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
1161#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
1162#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
1163#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
1164#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
1165#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
1166#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
1167#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
1168#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
1169#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
1170#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
1171#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
1172#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
1173#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
1174#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
1175#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
1176#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
1177#define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1)
1178#define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2)
1179#define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3)
1180#define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN)
1181#define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT)
1182#define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO)
1183#define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO)
1184#define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR)
1185
1186#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
1187#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
1188#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
1189
1190#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
1191
1192typedef struct mixer_info {
1193 char id[16];
1194 char name[32];
1195 int modify_counter;
1196 int fillers[10];
1197} mixer_info;
1198
1199#define SOUND_MIXER_INFO _IOR('M', 101, mixer_info)
1200
1201#define LEFT_CHN 0
1202#define RIGHT_CHN 1
1203
1204/*
1205 * Level 2 event types for /dev/sequencer
1206 */
1207
1208/*
1209 * The 4 most significant bits of byte 0 specify the class of
1210 * the event:
1211 *
1212 * 0x8X = system level events,
1213 * 0x9X = device/port specific events, event[1] = device/port,
1214 * The last 4 bits give the subtype:
1215 * 0x02 = Channel event (event[3] = chn).
1216 * 0x01 = note event (event[4] = note).
1217 * (0x01 is not used alone but always with bit 0x02).
1218 * event[2] = MIDI message code (0x80=note off etc.)
1219 *
1220 */
1221
1222#define EV_SEQ_LOCAL 0x80
1223#define EV_TIMING 0x81
1224#define EV_CHN_COMMON 0x92
1225#define EV_CHN_VOICE 0x93
1226#define EV_SYSEX 0x94
1227/*
1228 * Event types 200 to 220 are reserved for application use.
1229 * These numbers will not be used by the driver.
1230 */
1231
1232/*
1233 * Events for event type EV_CHN_VOICE
1234 */
1235
1236#define MIDI_NOTEOFF 0x80
1237#define MIDI_NOTEON 0x90
1238#define MIDI_KEY_PRESSURE 0xA0
1239
1240/*
1241 * Events for event type EV_CHN_COMMON
1242 */
1243
1244#define MIDI_CTL_CHANGE 0xB0
1245#define MIDI_PGM_CHANGE 0xC0
1246#define MIDI_CHN_PRESSURE 0xD0
1247#define MIDI_PITCH_BEND 0xE0
1248
1249#define MIDI_SYSTEM_PREFIX 0xF0
1250
1251/*
1252 * Timer event types
1253 */
1254#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1255#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1256#define TMR_STOP 3
1257#define TMR_START 4
1258#define TMR_CONTINUE 5
1259#define TMR_TEMPO 6
1260#define TMR_ECHO 8
1261#define TMR_CLOCK 9 /* MIDI clock */
1262#define TMR_SPP 10 /* Song position pointer */
1263#define TMR_TIMESIG 11 /* Time signature */
1264
1265/*
1266 * Local event types
1267 */
1268#define LOCL_STARTAUDIO 1
1269
1270#if !defined(_KERNEL) || defined(USE_SEQ_MACROS)
1271/*
1272 * Some convenience macros to simplify programming of the
1273 * /dev/sequencer interface
1274 *
1275 * These macros define the API which should be used when possible.
1276 */
1277
1278#ifndef USE_SIMPLE_MACROS
1279void seqbuf_dump(void); /* This function must be provided by programs */
1280
1281/* Sample seqbuf_dump() implementation:
1282 *
1283 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1284 *
1285 * int seqfd; -- The file descriptor for /dev/sequencer.
1286 *
1287 * void
1288 * seqbuf_dump ()
1289 * {
1290 * if (_seqbufptr)
1291 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1292 * {
1293 * perror ("write /dev/sequencer");
1294 * exit (-1);
1295 * }
1296 * _seqbufptr = 0;
1297 * }
1298 */
1299
1300#define SEQ_DEFINEBUF(len) \
1301 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1302#define SEQ_USE_EXTBUF() \
1303 extern u_char _seqbuf[]; \
1304 extern int _seqbuflen;extern int _seqbufptr
1305#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1306#define SEQ_PM_DEFINES struct patmgr_info _pm_info
1307#define _SEQ_NEEDBUF(len) \
1308 if ((_seqbufptr+(len)) > _seqbuflen) \
1309 seqbuf_dump()
1310#define _SEQ_ADVBUF(len) _seqbufptr += len
1311#define SEQ_DUMPBUF seqbuf_dump
1312#else
1313/*
1314 * This variation of the sequencer macros is used just to format one event
1315 * using fixed buffer.
1316 *
1317 * The program using the macro library must define the following macros before
1318 * using this library.
1319 *
1320 * #define _seqbuf name of the buffer (u_char[])
1321 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1322 * size of the event, this macro can be used.
1323 * Otherwise this must be defined as empty.
1324 * #define _seqbufptr Define the name of index variable or 0 if
1325 * not required.
1326 */
1327#define _SEQ_NEEDBUF(len) /* empty */
1328#endif
1329
1330#define PM_LOAD_PATCH(dev, bank, pgm) \
1331 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1332 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
1333 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
1334 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1335#define PM_LOAD_PATCHES(dev, bank, pgm) \
1336 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1337 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \
1338 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
1339 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1340
1341#define SEQ_VOLUME_MODE(dev, mode) { \
1342 _SEQ_NEEDBUF(8);\
1343 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1344 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1345 _seqbuf[_seqbufptr+2] = (dev);\
1346 _seqbuf[_seqbufptr+3] = (mode);\
1347 _seqbuf[_seqbufptr+4] = 0;\
1348 _seqbuf[_seqbufptr+5] = 0;\
1349 _seqbuf[_seqbufptr+6] = 0;\
1350 _seqbuf[_seqbufptr+7] = 0;\
1351 _SEQ_ADVBUF(8);}
1352
1353/*
1354 * Midi voice messages
1355 */
1356
1357#define _CHN_VOICE(dev, event, chn, note, parm) { \
1358 _SEQ_NEEDBUF(8);\
1359 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1360 _seqbuf[_seqbufptr+1] = (dev);\
1361 _seqbuf[_seqbufptr+2] = (event);\
1362 _seqbuf[_seqbufptr+3] = (chn);\
1363 _seqbuf[_seqbufptr+4] = (note);\
1364 _seqbuf[_seqbufptr+5] = (parm);\
1365 _seqbuf[_seqbufptr+6] = (0);\
1366 _seqbuf[_seqbufptr+7] = 0;\
1367 _SEQ_ADVBUF(8);}
1368
1369#define SEQ_START_NOTE(dev, chn, note, vol) \
1370 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1371
1372#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1373 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1374
1375#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1376 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1377
1378/*
1379 * Midi channel messages
1380 */
1381
1382#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
1383 _SEQ_NEEDBUF(8);\
1384 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1385 _seqbuf[_seqbufptr+1] = (dev);\
1386 _seqbuf[_seqbufptr+2] = (event);\
1387 _seqbuf[_seqbufptr+3] = (chn);\
1388 _seqbuf[_seqbufptr+4] = (p1);\
1389 _seqbuf[_seqbufptr+5] = (p2);\
1390 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1391 _SEQ_ADVBUF(8);}
1392/*
1393 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1394 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1395 * so _will_ cause problems with MPU401 intelligent mode).
1396 *
1397 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1398 * sent by calling SEQ_SYSEX() several times (there must be no other events
1399 * between them). First sysex fragment must have 0xf0 in the first byte
1400 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1401 * between these sysex start and end markers cannot be larger than 0x7f. Also
1402 * lengths of each fragments (except the last one) must be 6.
1403 *
1404 * Breaking the above rules may work with some MIDI ports but is likely to
1405 * cause fatal problems with some other devices (such as MPU401).
1406 */
1407#define SEQ_SYSEX(dev, buf, len) { \
1408 int i, l=(len); if (l>6)l=6;\
1409 _SEQ_NEEDBUF(8);\
1410 _seqbuf[_seqbufptr] = EV_SYSEX;\
1411 _seqbuf[_seqbufptr+1] = (dev);\
1412 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+2] = (buf)[i];\
1413 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+2] = 0xff;\
1414 _SEQ_ADVBUF(8);}
1415
1416#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1417 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1418
1419#define SEQ_SET_PATCH(dev, chn, patch) \
1420 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1421
1422#define SEQ_CONTROL(dev, chn, controller, value) \
1423 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1424
1425#define SEQ_BENDER(dev, chn, value) \
1426 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1427
1428#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \
1429 _SEQ_NEEDBUF(8);\
1430 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1431 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1432 _seqbuf[_seqbufptr+2] = (dev);\
1433 _seqbuf[_seqbufptr+3] = (voice);\
1434 _seqbuf[_seqbufptr+4] = (controller);\
1435 *(short *)&_seqbuf[_seqbufptr+5] = (value);\
1436 _seqbuf[_seqbufptr+7] = 0;\
1437 _SEQ_ADVBUF(8);}
1438
1439/*
1440 * The following 5 macros are incorrectly implemented and obsolete.
1441 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1442 */
1443
1444#define SEQ_PITCHBEND(dev, voice, value) \
1445 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1446#define SEQ_BENDER_RANGE(dev, voice, value) \
1447 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1448#define SEQ_EXPRESSION(dev, voice, value) \
1449 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1450#define SEQ_MAIN_VOLUME(dev, voice, value) \
1451 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1452#define SEQ_PANNING(dev, voice, pos) \
1453 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1454
1455/*
1456 * Timing and synchronization macros
1457 */
1458
1459#define _TIMER_EVENT(ev, parm) { \
1460 _SEQ_NEEDBUF(8);\
1461 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1462 _seqbuf[_seqbufptr+1] = (ev); \
1463 _seqbuf[_seqbufptr+2] = 0;\
1464 _seqbuf[_seqbufptr+3] = 0;\
1465 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1466 _SEQ_ADVBUF(8); \
1467 }
1468
1469#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1470#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1471#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1472#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1473#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1474#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1475#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1476#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1477#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1478
1479/*
1480 * Local control events
1481 */
1482
1483#define _LOCAL_EVENT(ev, parm) { \
1484 _SEQ_NEEDBUF(8);\
1485 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1486 _seqbuf[_seqbufptr+1] = (ev); \
1487 _seqbuf[_seqbufptr+2] = 0;\
1488 _seqbuf[_seqbufptr+3] = 0;\
1489 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1490 _SEQ_ADVBUF(8); \
1491 }
1492
1493#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1494/*
1495 * Events for the level 1 interface only
1496 */
1497
1498#define SEQ_MIDIOUT(device, byte) { \
1499 _SEQ_NEEDBUF(4);\
1500 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1501 _seqbuf[_seqbufptr+1] = (byte);\
1502 _seqbuf[_seqbufptr+2] = (device);\
1503 _seqbuf[_seqbufptr+3] = 0;\
1504 _SEQ_ADVBUF(4);}
1505
1506/*
1507 * Patch loading.
1508 */
1509#define SEQ_WRPATCH(patchx, len) { \
1510 if (_seqbufptr) seqbuf_dump(); \
1511 if (write(seqfd, (char*)(patchx), len)==-1) \
1512 perror("Write patch: /dev/sequencer"); \
1513 }
1514
1515#define SEQ_WRPATCH2(patchx, len) \
1516 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
1517
1518#endif
1519
1520/*
1521 * Here I have moved all the aliases for ioctl names.
1522 */
1523
1524#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
1525#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
1526#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
1527
1528#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
1529#define SOUND_PCM_POST SNDCTL_DSP_POST
1530#define SOUND_PCM_RESET SNDCTL_DSP_RESET
1531#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
1532#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
1533#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
1534#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
1535#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
1536#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
1537#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
1538#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
1539#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
1540#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
1541#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
1542#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
1543#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
1544#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
1545#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
1546
1547/***********************************************************************/
1548
1549/**
1550 * XXX OSSv4 defines -- some bits taken straight out of the new
1551 * sys/soundcard.h bundled with recent OSS releases.
1552 *
1553 * NB: These macros and structures will be reorganized and inserted
1554 * in appropriate places throughout this file once the code begins
1555 * to take shape.
1556 *
1557 * @todo reorganize layout more like the 4Front version
1558 * @todo ask about maintaining __SIOWR vs. _IOWR ioctl cmd defines
1559 */
1560
1561/**
1562 * @note The @c OSSV4_EXPERIMENT macro is meant to wrap new development code
1563 * in the sound system relevant to adopting 4Front's OSSv4 specification.
1564 * Users should not enable this! Really!
1565 */
1566#if 0
1567# define OSSV4_EXPERIMENT 1
1568#else
1569# undef OSSV4_EXPERIMENT
1570#endif
1571
1572#ifdef SOUND_VERSION
1573# undef SOUND_VERSION
1574# define SOUND_VERSION 0x040000
1575#endif /* !SOUND_VERSION */
1576
1577#define OSS_LONGNAME_SIZE 64
1578#define OSS_LABEL_SIZE 16
1579#define OSS_DEVNODE_SIZE 32
1580typedef char oss_longname_t[OSS_LONGNAME_SIZE];
1581typedef char oss_label_t[OSS_LABEL_SIZE];
1582typedef char oss_devnode_t[OSS_DEVNODE_SIZE];
1583
1584typedef struct audio_errinfo
1585{
1586 int play_underruns;
1587 int rec_overruns;
1588 unsigned int play_ptradjust;
1589 unsigned int rec_ptradjust;
1590 int play_errorcount;
1591 int rec_errorcount;
1592 int play_lasterror;
1593 int rec_lasterror;
1594 long play_errorparm;
1595 long rec_errorparm;
1596 int filler[16];
1597} audio_errinfo;
1598
1599#define SNDCTL_DSP_GETPLAYVOL _IOR ('P', 24, int)
1600#define SNDCTL_DSP_SETPLAYVOL _IOWR('P', 24, int)
1601#define SNDCTL_DSP_GETERROR _IOR ('P', 25, audio_errinfo)
1602
1603/*
1604 ****************************************************************************
1605 * Sync groups for audio devices
1606 */
1607typedef struct oss_syncgroup
1608{
1609 int id;
1610 int mode;
1611 int filler[16];
1612} oss_syncgroup;
1613
1614#define SNDCTL_DSP_SYNCGROUP _IOWR('P', 28, oss_syncgroup)
1615#define SNDCTL_DSP_SYNCSTART _IOW ('P', 29, int)
1616
1617/*
1618 **************************************************************************
1619 * "cooked" mode enables software based conversions for sample rate, sample
1620 * format (bits) and number of channels (mono/stereo). These conversions are
1621 * required with some devices that support only one sample rate or just stereo
1622 * to let the applications to use other formats. The cooked mode is enabled by
1623 * default. However it's necessary to disable this mode when mmap() is used or
1624 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an
1625 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_
1626 * since normally this call will return erno=EINVAL.
1627 *
1628 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing
1629 * anything else. Otherwise the call will not have any effect.
1630 */
1631#define SNDCTL_DSP_COOKEDMODE _IOW ('P', 30, int)
1632
1633/*
1634 **************************************************************************
1635 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0
1636 * that can be used to implement pause/continue during playback (no effect
1637 * on recording).
1638 */
1639#define SNDCTL_DSP_SILENCE _IO ('P', 31)
1640#define SNDCTL_DSP_SKIP _IO ('P', 32)
1641
1642/*
1643 ****************************************************************************
1644 * Abort transfer (reset) functions for input and output
1645 */
1646#define SNDCTL_DSP_HALT_INPUT _IO ('P', 33)
1647#define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */
1648#define SNDCTL_DSP_HALT_OUTPUT _IO ('P', 34)
1649#define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */
1650
1651/*
1652 ****************************************************************************
1653 * Low water level control
1654 */
1655#define SNDCTL_DSP_LOW_WATER _IOW ('P', 34, int)
1656
1657/** @todo Get rid of OSS_NO_LONG_LONG references? */
1658
1659/*
1660 ****************************************************************************
1661 * 64 bit pointer support. Only available in environments that support
1662 * the 64 bit (long long) integer type.
1663 */
1664#ifndef OSS_NO_LONG_LONG
1665typedef struct
1666{
1667 long long samples;
1668 int fifo_samples;
1669 int filler[32]; /* For future use */
1670} oss_count_t;
1671
1672#define SNDCTL_DSP_CURRENT_IPTR _IOR ('P', 35, oss_count_t)
1673#define SNDCTL_DSP_CURRENT_OPTR _IOR ('P', 36, oss_count_t)
1674#endif
1675
1676/*
1677 ****************************************************************************
1678 * Interface for selecting recording sources and playback output routings.
1679 */
1680#define SNDCTL_DSP_GET_RECSRC_NAMES _IOR ('P', 37, oss_mixer_enuminfo)
1681#define SNDCTL_DSP_GET_RECSRC _IOR ('P', 38, int)
1682#define SNDCTL_DSP_SET_RECSRC _IOWR('P', 38, int)
1683
1684#define SNDCTL_DSP_GET_PLAYTGT_NAMES _IOR ('P', 39, oss_mixer_enuminfo)
1685#define SNDCTL_DSP_GET_PLAYTGT _IOR ('P', 40, int)
1686#define SNDCTL_DSP_SET_PLAYTGT _IOWR('P', 40, int)
1687#define SNDCTL_DSP_GETRECVOL _IOR ('P', 41, int)
1688#define SNDCTL_DSP_SETRECVOL _IOWR('P', 41, int)
1689
1690/*
1691 ***************************************************************************
1692 * Some calls for setting the channel assignment with multi channel devices
1693 * (see the manual for details). */
1694#define SNDCTL_DSP_GET_CHNORDER _IOR ('P', 42, unsigned long long)
1695#define SNDCTL_DSP_SET_CHNORDER _IOWR('P', 42, unsigned long long)
1696# define CHID_UNDEF 0
1697# define CHID_L 1
1698# define CHID_R 2
1699# define CHID_C 3
1700# define CHID_LFE 4
1701# define CHID_LS 5
1702# define CHID_RS 6
1703# define CHID_LR 7
1704# define CHID_RR 8
1705#define CHNORDER_UNDEF 0x0000000000000000ULL
1706#define CHNORDER_NORMAL 0x0000000087654321ULL
1707
1708#define MAX_PEAK_CHANNELS 128
1709typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS];
1710#define SNDCTL_DSP_GETIPEAKS _IOR('P', 43, oss_peaks_t)
1711#define SNDCTL_DSP_GETOPEAKS _IOR('P', 44, oss_peaks_t)
1712#define SNDCTL_DSP_POLICY _IOW('P', 45, int) /* See the manual */
1713
1714/*
1715 ****************************************************************************
1716 * Few ioctl calls that are not official parts of OSS. They have been used
1717 * by few freeware implementations of OSS.
1718 */
1719#define SNDCTL_DSP_GETCHANNELMASK _IOWR('P', 64, int)
1720#define SNDCTL_DSP_BIND_CHANNEL _IOWR('P', 65, int)
1721#define DSP_BIND_QUERY 0x00000000
1722#define DSP_BIND_FRONT 0x00000001
1723#define DSP_BIND_SURR 0x00000002
1724#define DSP_BIND_CENTER_LFE 0x00000004
1725#define DSP_BIND_HANDSET 0x00000008
1726#define DSP_BIND_MIC 0x00000010
1727#define DSP_BIND_MODEM1 0x00000020
1728#define DSP_BIND_MODEM2 0x00000040
1729#define DSP_BIND_I2S 0x00000080
1730#define DSP_BIND_SPDIF 0x00000100
1731#define DSP_BIND_REAR 0x00000200
1732
1733/*
1734 * OSS_SYSIFO is obsolete. Use SNDCTL_SYSINFO insteads.
1735 */
1736#define OSS_GETVERSION _IOR ('M', 118, int)
1737
1738/**
1739 * @brief Argument for SNDCTL_SYSINFO ioctl.
1740 *
1741 * For use w/ the SNDCTL_SYSINFO ioctl available on audio (/dev/dsp*),
1742 * mixer, and MIDI devices.
1743 */
1744typedef struct oss_sysinfo
1745{
1746 char product[32]; /* For example OSS/Free, OSS/Linux or
1747 OSS/Solaris */
1748 char version[32]; /* For example 4.0a */
1749 int versionnum; /* See OSS_GETVERSION */
1750 char options[128]; /* Reserved */
1751
1752 int numaudios; /* # of audio/dsp devices */
1753 int openedaudio[8]; /* Bit mask telling which audio devices
1754 are busy */
1755
1756 int numsynths; /* # of available synth devices */
1757 int nummidis; /* # of available MIDI ports */
1758 int numtimers; /* # of available timer devices */
1759 int nummixers; /* # of mixer devices */
1760
1761 int openedmidi[8]; /* Bit mask telling which midi devices
1762 are busy */
1763 int numcards; /* Number of sound cards in the system */
1764 int numaudioengines; /* Number of audio engines in the system */
1765 char license[16]; /* For example "GPL" or "CDDL" */
1766 char revision_info[256]; /* For internal use */
1767 int filler[172]; /* For future expansion (set to -1) */
1768} oss_sysinfo;
1769
1770typedef struct oss_mixext
1771{
1772 int dev; /* Mixer device number */
1773 int ctrl; /* Controller number */
1774 int type; /* Entry type */
1775# define MIXT_DEVROOT 0 /* Device root entry */
1776# define MIXT_GROUP 1 /* Controller group */
1777# define MIXT_ONOFF 2 /* OFF (0) or ON (1) */
1778# define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */
1779# define MIXT_MONOSLIDER 4 /* Mono slider (0 to 100) */
1780# define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 100) */
1781# define MIXT_MESSAGE 6 /* (Readable) textual message */
1782# define MIXT_MONOVU 7 /* VU meter value (mono) */
1783# define MIXT_STEREOVU 8 /* VU meter value (stereo) */
1784# define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */
1785# define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */
1786# define MIXT_RADIOGROUP 11 /* Radio button group */
1787# define MIXT_MARKER 12 /* Separator between normal and extension entries */
1788# define MIXT_VALUE 13 /* Decimal value entry */
1789# define MIXT_HEXVALUE 14 /* Hexadecimal value entry */
1790# define MIXT_MONODB 15 /* Mono atten. slider (0 to -144) */
1791# define MIXT_STEREODB 16 /* Stereo atten. slider (dual 0 to -144) */
1792# define MIXT_SLIDER 17 /* Slider (mono) with full integer range */
1793# define MIXT_3D 18
1794
1795 /* Possible value range (minvalue to maxvalue) */
1796 /* Note that maxvalue may also be smaller than minvalue */
1797 int maxvalue;
1798 int minvalue;
1799
1800 int flags;
1801# define MIXF_READABLE 0x00000001 /* Has readable value */
1802# define MIXF_WRITEABLE 0x00000002 /* Has writeable value */
1803# define MIXF_POLL 0x00000004 /* May change itself */
1804# define MIXF_HZ 0x00000008 /* Herz scale */
1805# define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */
1806# define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */
1807# define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */
1808# define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */
1809# define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */
1810 char id[16]; /* Mnemonic ID (mainly for internal use) */
1811 int parent; /* Entry# of parent (group) node (-1 if root) */
1812
1813 int dummy; /* Internal use */
1814
1815 int timestamp;
1816
1817 char data[64]; /* Misc data (entry type dependent) */
1818 unsigned char enum_present[32]; /* Mask of allowed enum values */
1819 int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */
1820 /* (-1 means not indicated) */
1821
1822/*
1823 * The desc field is reserved for internal purposes of OSS. It should not be
1824 * used by applications.
1825 */
1826 unsigned int desc;
1827#define MIXEXT_SCOPE_MASK 0x0000003f
1828#define MIXEXT_SCOPE_OTHER 0x00000000
1829#define MIXEXT_SCOPE_INPUT 0x00000001
1830#define MIXEXT_SCOPE_OUTPUT 0x00000002
1831#define MIXEXT_SCOPE_MONITOR 0x00000003
1832#define MIXEXT_SCOPE_RECSWITCH 0x00000004
1833
1834 char extname[32];
1835 int update_counter;
1836 int filler[7];
1837} oss_mixext;
1838
1839typedef struct oss_mixext_root
1840{
1841 char id[16];
1842 char name[48];
1843} oss_mixext_root;
1844
1845typedef struct oss_mixer_value
1846{
1847 int dev;
1848 int ctrl;
1849 int value;
1850 int flags; /* Reserved for future use. Initialize to 0 */
1851 int timestamp; /* Must be set to oss_mixext.timestamp */
1852 int filler[8]; /* Reserved for future use. Initialize to 0 */
1853} oss_mixer_value;
1854
1855#define OSS_ENUM_MAXVALUE 255
1856typedef struct oss_mixer_enuminfo
1857{
1858 int dev;
1859 int ctrl;
1860 int nvalues;
1861 int version; /* Read the manual */
1862 short strindex[OSS_ENUM_MAXVALUE];
1863 char strings[3000];
1864} oss_mixer_enuminfo;
1865
1866#define OPEN_READ PCM_ENABLE_INPUT
1867#define OPEN_WRITE PCM_ENABLE_OUTPUT
1868#define OPEN_READWRITE (OPEN_READ|OPEN_WRITE)
1869
1870/**
1871 * @brief Argument for SNDCTL_AUDIOINFO ioctl.
1872 *
1873 * For use w/ the SNDCTL_AUDIOINFO ioctl available on audio (/dev/dsp*)
1874 * devices.
1875 */
1876typedef struct oss_audioinfo
1877{
1878 int dev; /* Audio device number */
1879 char name[64];
1880 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
1881 int pid;
1882 int caps; /* DSP_CAP_INPUT, DSP_CAP_OUTPUT */
1883 int iformats;
1884 int oformats;
1885 int magic; /* Reserved for internal use */
1886 char cmd[64]; /* Command using the device (if known) */
1887 int card_number;
1888 int port_number;
1889 int mixer_dev;
1890 int legacy_device; /* Obsolete field. Replaced by devnode */
1891 int enabled; /* 1=enabled, 0=device not ready at this
1892 moment */
1893 int flags; /* For internal use only - no practical
1894 meaning */
1895 int min_rate; /* Sample rate limits */
1896 int max_rate;
1897 int min_channels; /* Number of channels supported */
1898 int max_channels;
1899 int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */
1900 int rate_source;
1901 char handle[32];
1902 #define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */
1903 unsigned int nrates;
1904 unsigned int rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */
1905 oss_longname_t song_name; /* Song name (if given) */
1906 oss_label_t label; /* Device label (if given) */
1907 int latency; /* In usecs, -1=unknown */
1908 oss_devnode_t devnode; /* Device special file name (inside
1909 /dev) */
1910 int next_play_engine;
1911 int next_rec_engine;
1912 int filler[184];
1913} oss_audioinfo;
1914
1915typedef struct oss_mixerinfo
1916{
1917 int dev;
1918 char id[16];
1919 char name[32];
1920 int modify_counter;
1921 int card_number;
1922 int port_number;
1923 char handle[32];
1924 int magic; /* Reserved */
1925 int enabled; /* Reserved */
1926 int caps;
1927#define MIXER_CAP_VIRTUAL 0x00000001
1928 int flags; /* Reserved */
1929 int nrext;
1930 /*
1931 * The priority field can be used to select the default (motherboard)
1932 * mixer device. The mixer with the highest priority is the
1933 * most preferred one. -2 or less means that this device cannot be used
1934 * as the default mixer.
1935 */
1936 int priority;
1937 oss_devnode_t devnode;
1938 int legacy_device;
1939 int filler[245]; /* Reserved */
1940} oss_mixerinfo;
1941
1942typedef struct oss_midi_info
1943{
1944 int dev; /* Midi device number */
1945 char name[64];
1946 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */
1947 int pid;
1948 char cmd[64]; /* Command using the device (if known) */
1949 int caps;
1950#define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/
1951#define MIDI_CAP_INPUT 0x00000002
1952#define MIDI_CAP_OUTPUT 0x00000004
1953#define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT)
1954#define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */
1955#define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */
1956#define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */
1957#define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */
1958#define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */
1959#define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */
1960#define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */
1961#define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */
1962 int magic; /* Reserved for internal use */
1963 int card_number;
1964 int port_number;
1965 int enabled; /* 1=enabled, 0=device not ready at this moment */
1966 int flags; /* For internal use only - no practical meaning */
1967 char handle[32];
1968 oss_longname_t song_name; /* Song name (if known) */
1969 oss_label_t label; /* Device label (if given) */
1970 int latency; /* In usecs, -1=unknown */
1971 int filler[244];
1972} oss_midi_info;
1973
1974typedef struct oss_card_info
1975{
1976 int card;
1977 char shortname[16];
1978 char longname[128];
1979 int flags;
1980 char hw_info[400];
1981 int intr_count, ack_count;
1982 int filler[154];
1983} oss_card_info;
1984
1985#define SNDCTL_SYSINFO _IOR ('X', 1, oss_sysinfo)
1986#define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */
1987
1988#define SNDCTL_MIX_NRMIX _IOR ('X', 2, int)
1989#define SNDCTL_MIX_NREXT _IOWR('X', 3, int)
1990#define SNDCTL_MIX_EXTINFO _IOWR('X', 4, oss_mixext)
1991#define SNDCTL_MIX_READ _IOWR('X', 5, oss_mixer_value)
1992#define SNDCTL_MIX_WRITE _IOWR('X', 6, oss_mixer_value)
1993
1994#define SNDCTL_AUDIOINFO _IOWR('X', 7, oss_audioinfo)
1995#define SNDCTL_MIX_ENUMINFO _IOWR('X', 8, oss_mixer_enuminfo)
1996#define SNDCTL_MIDIINFO _IOWR('X', 9, oss_midi_info)
1997#define SNDCTL_MIXERINFO _IOWR('X',10, oss_mixerinfo)
1998#define SNDCTL_CARDINFO _IOWR('X',11, oss_card_info)
1999#define SNDCTL_ENGINEINFO _IOWR('X',12, oss_audioinfo)
2000#define SNDCTL_AUDIOINFO_EX _IOWR('X',13, oss_audioinfo)
2001
2002/*
2003 * Few more "globally" available ioctl calls.
2004 */
2005#define SNDCTL_SETSONG _IOW ('Y', 2, oss_longname_t)
2006#define SNDCTL_GETSONG _IOR ('Y', 2, oss_longname_t)
2007#define SNDCTL_SETNAME _IOW ('Y', 3, oss_longname_t)
2008#define SNDCTL_SETLABEL _IOW ('Y', 4, oss_label_t)
2009#define SNDCTL_GETLABEL _IOR ('Y', 4, oss_label_t)
2010
2011#endif /* !_SYS_SOUNDCARD_H_ */