FreeBSD/Linux Kernel Cross Reference
sys/sys/soundcard.h
1 /*
2 * soundcard.h
3 */
4
5 /*-
6 * Copyright by Hannu Savolainen 1993
7 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR
23 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
26 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD$
33 */
34
35 #ifndef _SYS_SOUNDCARD_H_
36 #define _SYS_SOUNDCARD_H_
37 /*
38 * If you make modifications to this file, please contact me before
39 * distributing the modified version. There is already enough
40 * diversity in the world.
41 *
42 * Regards,
43 * Hannu Savolainen
44 * hannu@voxware.pp.fi
45 *
46 **********************************************************************
47 * PS. The Hacker's Guide to VoxWare available from
48 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is
49 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
50 * some useful information about programming with VoxWare.
51 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have
52 * to cd inside them before the files are accessible.)
53 **********************************************************************
54 */
55
56 /*
57 * SOUND_VERSION is only used by the voxware driver. Hopefully apps
58 * should not depend on it, but rather look at the capabilities
59 * of the driver in the kernel!
60 */
61 #define SOUND_VERSION 301
62 #define VOXWARE /* does this have any use ? */
63
64 /*
65 * Supported card ID numbers (Should be somewhere else? We keep
66 * them here just for compativility with the old driver, but these
67 * constants are of little or no use).
68 */
69
70 #define SNDCARD_ADLIB 1
71 #define SNDCARD_SB 2
72 #define SNDCARD_PAS 3
73 #define SNDCARD_GUS 4
74 #define SNDCARD_MPU401 5
75 #define SNDCARD_SB16 6
76 #define SNDCARD_SB16MIDI 7
77 #define SNDCARD_UART6850 8
78 #define SNDCARD_GUS16 9
79 #define SNDCARD_MSS 10
80 #define SNDCARD_PSS 11
81 #define SNDCARD_SSCAPE 12
82 #define SNDCARD_PSS_MPU 13
83 #define SNDCARD_PSS_MSS 14
84 #define SNDCARD_SSCAPE_MSS 15
85 #define SNDCARD_TRXPRO 16
86 #define SNDCARD_TRXPRO_SB 17
87 #define SNDCARD_TRXPRO_MPU 18
88 #define SNDCARD_MAD16 19
89 #define SNDCARD_MAD16_MPU 20
90 #define SNDCARD_CS4232 21
91 #define SNDCARD_CS4232_MPU 22
92 #define SNDCARD_MAUI 23
93 #define SNDCARD_PSEUDO_MSS 24
94 #define SNDCARD_AWE32 25
95 #define SNDCARD_NSS 26
96 #define SNDCARD_UART16550 27
97 #define SNDCARD_OPL 28
98
99 #include <sys/types.h>
100 #include <machine/endian.h>
101 #ifndef _IOWR
102 #include <sys/ioccom.h>
103 #endif /* !_IOWR */
104
105 /*
106 * The first part of this file contains the new FreeBSD sound ioctl
107 * interface. Tries to minimize the number of different ioctls, and
108 * to be reasonably general.
109 *
110 * 970821: some of the new calls have not been implemented yet.
111 */
112
113 /*
114 * the following three calls extend the generic file descriptor
115 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max
116 * number of bytes for a write operation to be non-blocking.
117 *
118 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device,
119 * from a character device (default) to a block device. In block mode,
120 * (not to be confused with blocking mode) the main difference for the
121 * application is that select() will return only when a complete
122 * block can be read/written to the device, whereas in character mode
123 * select will return true when one byte can be exchanged. For audio
124 * devices, character mode makes select almost useless since one byte
125 * will always be ready by the next sample time (which is often only a
126 * handful of microseconds away).
127 * Use a size of 0 or 1 to return to character mode.
128 */
129 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */
130 struct snd_size {
131 int play_size;
132 int rec_size;
133 };
134 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */
135 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */
136
137 /*
138 * The following constants define supported audio formats. The
139 * encoding follows voxware conventions, i.e. 1 bit for each supported
140 * format. We extend it by using bit 31 (RO) to indicate full-duplex
141 * capability, and bit 29 (RO) to indicate that the card supports/
142 * needs different formats on capture & playback channels.
143 * Bit 29 (RW) is used to indicate/ask stereo.
144 *
145 * The number of bits required to store the sample is:
146 * o 4 bits for the IDA ADPCM format,
147 * o 8 bits for 8-bit formats, mu-law and A-law,
148 * o 16 bits for the 16-bit formats, and
149 * o 32 bits for the 24/32-bit formats.
150 * o undefined for the MPEG audio format.
151 */
152
153 #define AFMT_QUERY 0x00000000 /* Return current format */
154 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */
155 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */
156 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit
157 * squence represented using the
158 * the average 4 bits per sample */
159 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */
160 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */
161 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */
162 #define AFMT_S8 0x00000040 /* Signed 8-bit */
163 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */
164 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */
165 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */
166 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
167
168 #if _BYTE_ORDER == _LITTLE_ENDIAN
169 #define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */
170 #else
171 #define AFMT_S16_NE AFMT_S16_BE
172 #endif
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
184 #define AFMT_STEREO 0x10000000 /* can do/want stereo */
185
186 /*
187 * the following are really capabilities
188 */
189 #define AFMT_WEIRD 0x20000000 /* weird hardware... */
190 /*
191 * AFMT_WEIRD reports that the hardware might need to operate
192 * with different formats in the playback and capture
193 * channels when operating in full duplex.
194 * As an example, SoundBlaster16 cards only support U8 in one
195 * direction and S16 in the other one, and applications should
196 * be aware of this limitation.
197 */
198 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */
199
200 /*
201 * The following structure is used to get/set format and sampling rate.
202 * While it would be better to have things such as stereo, bits per
203 * sample, endiannes, etc split in different variables, it turns out
204 * that formats are not that many, and not all combinations are possible.
205 * So we followed the Voxware approach of associating one bit to each
206 * format.
207 */
208
209 typedef struct _snd_chan_param {
210 u_long play_rate; /* sampling rate */
211 u_long rec_rate; /* sampling rate */
212 u_long play_format; /* everything describing the format */
213 u_long rec_format; /* everything describing the format */
214 } snd_chan_param;
215 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */
216 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */
217
218 /*
219 * The following structure is used to get/set the mixer setting.
220 * Up to 32 mixers are supported, each one with up to 32 channels.
221 */
222 typedef struct _snd_mix_param {
223 u_char subdev; /* which output */
224 u_char line; /* which input */
225 u_char left,right; /* volumes, 0..255, 0 = mute */
226 } snd_mix_param ;
227
228 /* XXX AIOGMIX, AIOSMIX not implemented yet */
229 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */
230 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */
231
232 /*
233 * channel specifiers used in AIOSTOP and AIOSYNC
234 */
235 #define AIOSYNC_PLAY 0x1 /* play chan */
236 #define AIOSYNC_CAPTURE 0x2 /* capture chan */
237 /* AIOSTOP stop & flush a channel, returns the residual count */
238 #define AIOSTOP _IOWR ('A', 15, int)
239
240 /* alternate method used to notify the sync condition */
241 #define AIOSYNC_SIGNAL 0x100
242 #define AIOSYNC_SELECT 0x200
243
244 /* what the 'pos' field refers to */
245 #define AIOSYNC_READY 0x400
246 #define AIOSYNC_FREE 0x800
247
248 typedef struct _snd_sync_parm {
249 long chan ; /* play or capture channel, plus modifier */
250 long pos;
251 } snd_sync_parm;
252 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */
253
254 /*
255 * The following is used to return device capabilities. If the structure
256 * passed to the ioctl is zeroed, default values are returned for rate
257 * and formats, a bitmap of available mixers is returned, and values
258 * (inputs, different levels) for the first one are returned.
259 *
260 * If formats, mixers, inputs are instantiated, then detailed info
261 * are returned depending on the call.
262 */
263 typedef struct _snd_capabilities {
264 u_long rate_min, rate_max; /* min-max sampling rate */
265 u_long formats;
266 u_long bufsize; /* DMA buffer size */
267 u_long mixers; /* bitmap of available mixers */
268 u_long inputs; /* bitmap of available inputs (per mixer) */
269 u_short left, right; /* how many levels are supported */
270 } snd_capabilities;
271 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */
272
273 /*
274 * here is the old (Voxware) ioctl interface
275 */
276
277 /*
278 * IOCTL Commands for /dev/sequencer
279 */
280
281 #define SNDCTL_SEQ_RESET _IO ('Q', 0)
282 #define SNDCTL_SEQ_SYNC _IO ('Q', 1)
283 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
284 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */
285 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
286 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
287 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
288 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
289 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
290 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
291 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
292 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
293 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
294 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int)
295 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */
296 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
297 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
298 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
299 #define SNDCTL_SEQ_PANIC _IO ('Q',17)
300 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec)
301 #define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int)
302
303 struct seq_event_rec {
304 u_char arr[8];
305 };
306
307 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int)
308 #define SNDCTL_TMR_START _IO ('T', 2)
309 #define SNDCTL_TMR_STOP _IO ('T', 3)
310 #define SNDCTL_TMR_CONTINUE _IO ('T', 4)
311 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int)
312 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int)
313 # define TMR_INTERNAL 0x00000001
314 # define TMR_EXTERNAL 0x00000002
315 # define TMR_MODE_MIDI 0x00000010
316 # define TMR_MODE_FSK 0x00000020
317 # define TMR_MODE_CLS 0x00000040
318 # define TMR_MODE_SMPTE 0x00000080
319 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int)
320 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int)
321
322 /*
323 * Endian aware patch key generation algorithm.
324 */
325
326 #if defined(_AIX) || defined(AIX)
327 # define _PATCHKEY(id) (0xfd00|id)
328 #else
329 # define _PATCHKEY(id) ((id<<8)|0xfd)
330 #endif
331
332 /*
333 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
334 * The following patch_info structure has been designed to support
335 * Gravis UltraSound. It tries to be universal format for uploading
336 * sample based patches but is probably too limited.
337 */
338
339 struct patch_info {
340 /* u_short key; Use GUS_PATCH here */
341 short key; /* Use GUS_PATCH here */
342 #define GUS_PATCH _PATCHKEY(0x04)
343 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02)
344
345 short device_no; /* Synthesizer number */
346 short instr_no; /* Midi pgm# */
347
348 u_long mode;
349 /*
350 * The least significant byte has the same format than the GUS .PAT
351 * files
352 */
353 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
354 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
355 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
356 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
357 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
358 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
359 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
360 /* (use the env_rate/env_offs fields). */
361 /* Linux specific bits */
362 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
363 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
364 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */
365 /* Other bits must be zeroed */
366
367 long len; /* Size of the wave data in bytes */
368 long loop_start, loop_end; /* Byte offsets from the beginning */
369
370 /*
371 * The base_freq and base_note fields are used when computing the
372 * playback speed for a note. The base_note defines the tone frequency
373 * which is heard if the sample is played using the base_freq as the
374 * playback speed.
375 *
376 * The low_note and high_note fields define the minimum and maximum note
377 * frequencies for which this sample is valid. It is possible to define
378 * more than one samples for an instrument number at the same time. The
379 * low_note and high_note fields are used to select the most suitable one.
380 *
381 * The fields base_note, high_note and low_note should contain
382 * the note frequency multiplied by 1000. For example value for the
383 * middle A is 440*1000.
384 */
385
386 u_int base_freq;
387 u_long base_note;
388 u_long high_note;
389 u_long low_note;
390 int panning; /* -128=left, 127=right */
391 int detuning;
392
393 /* New fields introduced in version 1.99.5 */
394
395 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
396 u_char env_rate[ 6 ]; /* GUS HW ramping rate */
397 u_char env_offset[ 6 ]; /* 255 == 100% */
398
399 /*
400 * The tremolo, vibrato and scale info are not supported yet.
401 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
402 * WAVE_SCALE
403 */
404
405 u_char tremolo_sweep;
406 u_char tremolo_rate;
407 u_char tremolo_depth;
408
409 u_char vibrato_sweep;
410 u_char vibrato_rate;
411 u_char vibrato_depth;
412
413 int scale_frequency;
414 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */
415
416 int volume;
417 int spare[4];
418 char data[1]; /* The waveform data starts here */
419 };
420
421 struct sysex_info {
422 short key; /* Use GUS_PATCH here */
423 #define SYSEX_PATCH _PATCHKEY(0x05)
424 #define MAUI_PATCH _PATCHKEY(0x06)
425 short device_no; /* Synthesizer number */
426 long len; /* Size of the sysex data in bytes */
427 u_char data[1]; /* Sysex data starts here */
428 };
429
430 /*
431 * Patch management interface (/dev/sequencer, /dev/patmgr#)
432 * Don't use these calls if you want to maintain compatibility with
433 * the future versions of the driver.
434 */
435
436 #define PS_NO_PATCHES 0 /* No patch support on device */
437 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
438 #define PS_MGR_OK 2 /* Patch manager supported */
439 #define PS_MANAGED 3 /* Patch manager running */
440
441 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
442
443 /*
444 * The patmgr_info is a fixed size structure which is used for two
445 * different purposes. The intended use is for communication between
446 * the application using /dev/sequencer and the patch manager daemon
447 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
448 *
449 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
450 * a patch manager daemon to read and write device parameters. This
451 * ioctl available through /dev/sequencer also. Avoid using it since it's
452 * extremely hardware dependent. In addition access trough /dev/sequencer
453 * may confuse the patch manager daemon.
454 */
455
456 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
457 u_long key; /* Don't worry. Reserved for communication
458 between the patch manager and the driver. */
459 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
460 #define PM_K_COMMAND 2 /* Request from an application */
461 #define PM_K_RESPONSE 3 /* From patmgr to application */
462 #define PM_ERROR 4 /* Error returned by the patmgr */
463 int device;
464 int command;
465
466 /*
467 * Commands 0x000 to 0xfff reserved for patch manager programs
468 */
469 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
470 #define PMTYPE_FM2 1 /* 2 OP fm */
471 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
472 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
473 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
474 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
475 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
476 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
477 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
478 #define PM_READ_PATCH 7 /* Read patch (wave) data */
479 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */
480
481 /*
482 * Commands 0x1000 to 0xffff are for communication between the patch manager
483 * and the client
484 */
485 #define _PM_LOAD_PATCH 0x100
486
487 /*
488 * Commands above 0xffff reserved for device specific use
489 */
490
491 long parm1;
492 long parm2;
493 long parm3;
494
495 union {
496 u_char data8[4000];
497 u_short data16[2000];
498 u_long data32[1000];
499 struct patch_info patch;
500 } data;
501 };
502
503 /*
504 * When a patch manager daemon is present, it will be informed by the
505 * driver when something important happens. For example when the
506 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
507 * returned. The command field contains the event type:
508 */
509 #define PM_E_OPENED 1 /* /dev/sequencer opened */
510 #define PM_E_CLOSED 2 /* /dev/sequencer closed */
511 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
512 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
513
514 /*
515 * /dev/sequencer input events.
516 *
517 * The data written to the /dev/sequencer is a stream of events. Events
518 * are records of 4 or 8 bytes. The first byte defines the size.
519 * Any number of events can be written with a write call. There
520 * is a set of macros for sending these events. Use these macros if you
521 * want to maximize portability of your program.
522 *
523 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
524 * (All input events are currently 4 bytes long. Be prepared to support
525 * 8 byte events also. If you receive any event having first byte >= 128,
526 * it's a 8 byte event.
527 *
528 * The events are documented at the end of this file.
529 *
530 * Normal events (4 bytes)
531 * There is also a 8 byte version of most of the 4 byte events. The
532 * 8 byte one is recommended.
533 */
534 #define SEQ_NOTEOFF 0
535 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
536 #define SEQ_NOTEON 1
537 #define SEQ_FMNOTEON SEQ_NOTEON
538 #define SEQ_WAIT TMR_WAIT_ABS
539 #define SEQ_PGMCHANGE 3
540 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
541 #define SEQ_SYNCTIMER TMR_START
542 #define SEQ_MIDIPUTC 5
543 #define SEQ_DRUMON 6 /*** OBSOLETE ***/
544 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
545 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */
546 #define SEQ_AFTERTOUCH 9
547 #define SEQ_CONTROLLER 10
548
549 /*
550 * Midi controller numbers
551 *
552 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f)
553 * are continuous controllers.
554 * In the MIDI 1.0 these controllers are sent using two messages.
555 * Controller numbers 0 to 31 are used to send the MSB and the
556 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits
557 * are used in MIDI bytes.
558 */
559
560 #define CTL_BANK_SELECT 0x00
561 #define CTL_MODWHEEL 0x01
562 #define CTL_BREATH 0x02
563 /* undefined 0x03 */
564 #define CTL_FOOT 0x04
565 #define CTL_PORTAMENTO_TIME 0x05
566 #define CTL_DATA_ENTRY 0x06
567 #define CTL_MAIN_VOLUME 0x07
568 #define CTL_BALANCE 0x08
569 /* undefined 0x09 */
570 #define CTL_PAN 0x0a
571 #define CTL_EXPRESSION 0x0b
572 /* undefined 0x0c - 0x0f */
573 #define CTL_GENERAL_PURPOSE1 0x10
574 #define CTL_GENERAL_PURPOSE2 0x11
575 #define CTL_GENERAL_PURPOSE3 0x12
576 #define CTL_GENERAL_PURPOSE4 0x13
577 /* undefined 0x14 - 0x1f */
578
579 /* undefined 0x20 */
580
581 /*
582 * The controller numbers 0x21 to 0x3f are reserved for the
583 * least significant bytes of the controllers 0x00 to 0x1f.
584 * These controllers are not recognised by the driver.
585 *
586 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches.
587 * 0=OFF and 127=ON (intermediate values are possible)
588 */
589 #define CTL_DAMPER_PEDAL 0x40
590 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */
591 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */
592 #define CTL_PORTAMENTO 0x41
593 #define CTL_SOSTENUTO 0x42
594 #define CTL_SOFT_PEDAL 0x43
595 /* undefined 0x44 */
596 #define CTL_HOLD2 0x45
597 /* undefined 0x46 - 0x4f */
598
599 #define CTL_GENERAL_PURPOSE5 0x50
600 #define CTL_GENERAL_PURPOSE6 0x51
601 #define CTL_GENERAL_PURPOSE7 0x52
602 #define CTL_GENERAL_PURPOSE8 0x53
603 /* undefined 0x54 - 0x5a */
604 #define CTL_EXT_EFF_DEPTH 0x5b
605 #define CTL_TREMOLO_DEPTH 0x5c
606 #define CTL_CHORUS_DEPTH 0x5d
607 #define CTL_DETUNE_DEPTH 0x5e
608 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */
609 #define CTL_PHASER_DEPTH 0x5f
610 #define CTL_DATA_INCREMENT 0x60
611 #define CTL_DATA_DECREMENT 0x61
612 #define CTL_NONREG_PARM_NUM_LSB 0x62
613 #define CTL_NONREG_PARM_NUM_MSB 0x63
614 #define CTL_REGIST_PARM_NUM_LSB 0x64
615 #define CTL_REGIST_PARM_NUM_MSB 0x65
616 /* undefined 0x66 - 0x78 */
617 /* reserved 0x79 - 0x7f */
618
619 /* Pseudo controllers (not midi compatible) */
620 #define CTRL_PITCH_BENDER 255
621 #define CTRL_PITCH_BENDER_RANGE 254
622 #define CTRL_EXPRESSION 253 /* Obsolete */
623 #define CTRL_MAIN_VOLUME 252 /* Obsolete */
624
625 #define SEQ_BALANCE 11
626 #define SEQ_VOLMODE 12
627
628 /*
629 * Volume mode decides how volumes are used
630 */
631
632 #define VOL_METHOD_ADAGIO 1
633 #define VOL_METHOD_LINEAR 2
634
635 /*
636 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
637 * input events.
638 */
639
640 /*
641 * Event codes 0xf0 to 0xfc are reserved for future extensions.
642 */
643
644 #define SEQ_FULLSIZE 0xfd /* Long events */
645 /*
646 * SEQ_FULLSIZE events are used for loading patches/samples to the
647 * synthesizer devices. These events are passed directly to the driver
648 * of the associated synthesizer device. There is no limit to the size
649 * of the extended events. These events are not queued but executed
650 * immediately when the write() is called (execution can take several
651 * seconds of time).
652 *
653 * When a SEQ_FULLSIZE message is written to the device, it must
654 * be written using exactly one write() call. Other events cannot
655 * be mixed to the same write.
656 *
657 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write
658 * it to the /dev/sequencer. Don't write other data together with
659 * the instrument structure Set the key field of the structure to
660 * FM_PATCH. The device field is used to route the patch to the
661 * corresponding device.
662 *
663 * For Gravis UltraSound use struct patch_info. Initialize the key field
664 * to GUS_PATCH.
665 */
666 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
667 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
668
669 /*
670 * Record for FM patches
671 */
672
673 typedef u_char sbi_instr_data[32];
674
675 struct sbi_instrument {
676 u_short key; /* FM_PATCH or OPL3_PATCH */
677 #define FM_PATCH _PATCHKEY(0x01)
678 #define OPL3_PATCH _PATCHKEY(0x03)
679 short device; /* Synth# (0-4) */
680 int channel; /* Program# to be initialized */
681 sbi_instr_data operators; /* Reg. settings for operator cells
682 * (.SBI format) */
683 };
684
685 struct synth_info { /* Read only */
686 char name[30];
687 int device; /* 0-N. INITIALIZE BEFORE CALLING */
688 int synth_type;
689 #define SYNTH_TYPE_FM 0
690 #define SYNTH_TYPE_SAMPLE 1
691 #define SYNTH_TYPE_MIDI 2 /* Midi interface */
692
693 int synth_subtype;
694 #define FM_TYPE_ADLIB 0x00
695 #define FM_TYPE_OPL3 0x01
696 #define MIDI_TYPE_MPU401 0x401
697
698 #define SAMPLE_TYPE_BASIC 0x10
699 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
700 #define SAMPLE_TYPE_AWE32 0x20
701
702 int perc_mode; /* No longer supported */
703 int nr_voices;
704 int nr_drums; /* Obsolete field */
705 int instr_bank_size;
706 u_long capabilities;
707 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
708 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
709 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
710 int dummies[19]; /* Reserve space */
711 };
712
713 struct sound_timer_info {
714 char name[32];
715 int caps;
716 };
717
718 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
719
720 struct midi_info {
721 char name[30];
722 int device; /* 0-N. INITIALIZE BEFORE CALLING */
723 u_long capabilities; /* To be defined later */
724 int dev_type;
725 int dummies[18]; /* Reserve space */
726 };
727
728 /*
729 * ioctl commands for the /dev/midi##
730 */
731 typedef struct {
732 u_char cmd;
733 char nr_args, nr_returns;
734 u_char data[30];
735 } mpu_command_rec;
736
737 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int)
738 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int)
739 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec)
740 #define MIOSPASSTHRU _IOWR('m', 3, int)
741 #define MIOGPASSTHRU _IOWR('m', 4, int)
742
743 /*
744 * IOCTL commands for /dev/dsp and /dev/audio
745 */
746
747 #define SNDCTL_DSP_RESET _IO ('P', 0)
748 #define SNDCTL_DSP_SYNC _IO ('P', 1)
749 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
750 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
751 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int)
752 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int)
753 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/
754
755 /*
756 * SOUND_PCM_WRITE_CHANNELS is not that different
757 * from SNDCTL_DSP_STEREO
758 */
759 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
760 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS
761 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
762 #define SNDCTL_DSP_POST _IO ('P', 8)
763
764 /*
765 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do
766 * the same thing, i.e. set the block size used in DMA transfers.
767 */
768 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
769 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int)
770
771
772 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */
773 /*
774 * Buffer status queries.
775 */
776 typedef struct audio_buf_info {
777 int fragments; /* # of avail. frags (partly used ones not counted) */
778 int fragstotal; /* Total # of fragments allocated */
779 int fragsize; /* Size of a fragment in bytes */
780
781 int bytes; /* Avail. space in bytes (includes partly used fragments) */
782 /* Note! 'bytes' could be more than fragments*fragsize */
783 } audio_buf_info;
784
785 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info)
786 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info)
787
788 /*
789 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the
790 * action cannot be undone) of FIONBIO. The same can be achieved
791 * by opening the device with O_NDELAY
792 */
793 #define SNDCTL_DSP_NONBLOCK _IO ('P',14)
794
795 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
796 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */
797 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
798 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
799 #define DSP_CAP_BATCH 0x00000400
800 /*
801 * Device has some kind of internal buffers which may
802 * cause some delays and decrease precision of timing
803 */
804 #define DSP_CAP_COPROC 0x00000800
805 /* Has a coprocessor, sometimes it's a DSP but usually not */
806 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
807 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
808
809 /*
810 * What do these function do ?
811 */
812 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
813 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
814 #define PCM_ENABLE_INPUT 0x00000001
815 #define PCM_ENABLE_OUTPUT 0x00000002
816
817 typedef struct count_info {
818 int bytes; /* Total # of bytes processed */
819 int blocks; /* # of fragment transitions since last time */
820 int ptr; /* Current DMA pointer value */
821 } count_info;
822
823 /*
824 * GETIPTR and GETISPACE are not that different... same for out.
825 */
826 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info)
827 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info)
828
829 typedef struct buffmem_desc {
830 caddr_t buffer;
831 int size;
832 } buffmem_desc;
833
834 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc)
835 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc)
836 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)
837 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22)
838 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int)
839
840 /*
841 * I guess these are the readonly version of the same
842 * functions that exist above as SNDCTL_DSP_...
843 */
844 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
845 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
846 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
847 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
848
849 /*
850 * ioctl calls to be used in communication with coprocessors and
851 * DSP chips.
852 */
853
854 typedef struct copr_buffer {
855 int command; /* Set to 0 if not used */
856 int flags;
857 #define CPF_NONE 0x0000
858 #define CPF_FIRST 0x0001 /* First block */
859 #define CPF_LAST 0x0002 /* Last block */
860 int len;
861 int offs; /* If required by the device (0 if not used) */
862
863 u_char data[4000]; /* NOTE! 4000 is not 4k */
864 } copr_buffer;
865
866 typedef struct copr_debug_buf {
867 int command; /* Used internally. Set to 0 */
868 int parm1;
869 int parm2;
870 int flags;
871 int len; /* Length of data in bytes */
872 } copr_debug_buf;
873
874 typedef struct copr_msg {
875 int len;
876 u_char data[4000];
877 } copr_msg;
878
879 #define SNDCTL_COPR_RESET _IO ('C', 0)
880 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer)
881 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf)
882 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf)
883 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf)
884 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf)
885 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf)
886 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf)
887 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg)
888 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg)
889
890 /*
891 * IOCTL commands for /dev/mixer
892 */
893
894 /*
895 * Mixer devices
896 *
897 * There can be up to 20 different analog mixer channels. The
898 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
899 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
900 * the devices supported by the particular mixer.
901 */
902
903 #define SOUND_MIXER_NRDEVICES 25
904 #define SOUND_MIXER_VOLUME 0 /* Master output level */
905 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */
906 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */
907 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */
908 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */
909 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker
910 * signals */
911 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */
912 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from
913 * the microphone jack */
914 #define SOUND_MIXER_CD 8 /* Volume level for the input signal
915 * connected to the CD audio input */
916 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the
917 * output volume of the selected
918 * recording sources while recording */
919 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec
920 * device */
921 #define SOUND_MIXER_RECLEV 11 /* Global recording level */
922 #define SOUND_MIXER_IGAIN 12 /* Input gain */
923 #define SOUND_MIXER_OGAIN 13 /* Output gain */
924 /*
925 * The AD1848 codec and compatibles have three line level inputs
926 * (line, aux1 and aux2). Since each card manufacturer have assigned
927 * different meanings to these inputs, it's inpractical to assign
928 * specific meanings (line, cd, synth etc.) to them.
929 */
930 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
931 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
932 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
933 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
934 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
935 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
936 #define SOUND_MIXER_PHONEIN 20 /* Phone input */
937 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */
938 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
939 #define SOUND_MIXER_RADIO 23 /* Radio in */
940 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
941
942
943 /*
944 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX)
945 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space
946 */
947 #define SOUND_ONOFF_MIN 28
948 #define SOUND_ONOFF_MAX 30
949 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */
950 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
951 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */
952
953 /* Note! Number 31 cannot be used since the sign bit is reserved */
954 #define SOUND_MIXER_NONE 31
955
956 #define SOUND_DEVICE_LABELS { \
957 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
958 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
959 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
960 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
961
962 #define SOUND_DEVICE_NAMES { \
963 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
964 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
965 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
966 "phin", "phout", "video", "radio", "monitor"}
967
968 /* Device bitmask identifiers */
969
970 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */
971 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */
972 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */
973 #define SOUND_MIXER_CAPS 0xfc
974 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */
975 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
976
977 /* Device mask bits */
978
979 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
980 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
981 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
982 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
983 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
984 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
985 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
986 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
987 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
988 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
989 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
990 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
991 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
992 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
993 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
994 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
995 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
996 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
997 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
998 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
999 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
1000 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
1001 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
1002 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
1003 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
1004
1005 /* Obsolete macros */
1006 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
1007 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
1008 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
1009
1010 #define MIXER_READ(dev) _IOR('M', dev, int)
1011 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
1012 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
1013 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
1014 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
1015 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
1016 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
1017 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
1018 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
1019 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
1020 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
1021 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
1022 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
1023 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
1024 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
1025 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
1026 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
1027 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
1028 #define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1)
1029 #define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2)
1030 #define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3)
1031 #define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN)
1032 #define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT)
1033 #define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO)
1034 #define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO)
1035 #define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR)
1036
1037 /* Obsolete macros */
1038 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
1039 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
1040 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
1041
1042 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
1043 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
1044 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
1045 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
1046 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
1047
1048 #define MIXER_WRITE(dev) _IOWR('M', dev, int)
1049 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
1050 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
1051 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
1052 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
1053 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
1054 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
1055 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
1056 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
1057 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
1058 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
1059 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
1060 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
1061 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
1062 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
1063 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
1064 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
1065 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
1066 #define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1)
1067 #define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2)
1068 #define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3)
1069 #define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN)
1070 #define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT)
1071 #define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO)
1072 #define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO)
1073 #define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR)
1074
1075 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
1076 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
1077 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
1078
1079 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
1080
1081 typedef struct mixer_info {
1082 char id[16];
1083 char name[32];
1084 int modify_counter;
1085 int fillers[10];
1086 } mixer_info;
1087
1088 #define SOUND_MIXER_INFO _IOR('M', 101, mixer_info)
1089
1090 #define LEFT_CHN 0
1091 #define RIGHT_CHN 1
1092
1093 /*
1094 * Level 2 event types for /dev/sequencer
1095 */
1096
1097 /*
1098 * The 4 most significant bits of byte 0 specify the class of
1099 * the event:
1100 *
1101 * 0x8X = system level events,
1102 * 0x9X = device/port specific events, event[1] = device/port,
1103 * The last 4 bits give the subtype:
1104 * 0x02 = Channel event (event[3] = chn).
1105 * 0x01 = note event (event[4] = note).
1106 * (0x01 is not used alone but always with bit 0x02).
1107 * event[2] = MIDI message code (0x80=note off etc.)
1108 *
1109 */
1110
1111 #define EV_SEQ_LOCAL 0x80
1112 #define EV_TIMING 0x81
1113 #define EV_CHN_COMMON 0x92
1114 #define EV_CHN_VOICE 0x93
1115 #define EV_SYSEX 0x94
1116 /*
1117 * Event types 200 to 220 are reserved for application use.
1118 * These numbers will not be used by the driver.
1119 */
1120
1121 /*
1122 * Events for event type EV_CHN_VOICE
1123 */
1124
1125 #define MIDI_NOTEOFF 0x80
1126 #define MIDI_NOTEON 0x90
1127 #define MIDI_KEY_PRESSURE 0xA0
1128
1129 /*
1130 * Events for event type EV_CHN_COMMON
1131 */
1132
1133 #define MIDI_CTL_CHANGE 0xB0
1134 #define MIDI_PGM_CHANGE 0xC0
1135 #define MIDI_CHN_PRESSURE 0xD0
1136 #define MIDI_PITCH_BEND 0xE0
1137
1138 #define MIDI_SYSTEM_PREFIX 0xF0
1139
1140 /*
1141 * Timer event types
1142 */
1143 #define TMR_WAIT_REL 1 /* Time relative to the prev time */
1144 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1145 #define TMR_STOP 3
1146 #define TMR_START 4
1147 #define TMR_CONTINUE 5
1148 #define TMR_TEMPO 6
1149 #define TMR_ECHO 8
1150 #define TMR_CLOCK 9 /* MIDI clock */
1151 #define TMR_SPP 10 /* Song position pointer */
1152 #define TMR_TIMESIG 11 /* Time signature */
1153
1154 /*
1155 * Local event types
1156 */
1157 #define LOCL_STARTAUDIO 1
1158
1159 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS)
1160 /*
1161 * Some convenience macros to simplify programming of the
1162 * /dev/sequencer interface
1163 *
1164 * These macros define the API which should be used when possible.
1165 */
1166
1167 #ifndef USE_SIMPLE_MACROS
1168 void seqbuf_dump(void); /* This function must be provided by programs */
1169
1170 /* Sample seqbuf_dump() implementation:
1171 *
1172 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1173 *
1174 * int seqfd; -- The file descriptor for /dev/sequencer.
1175 *
1176 * void
1177 * seqbuf_dump ()
1178 * {
1179 * if (_seqbufptr)
1180 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1181 * {
1182 * perror ("write /dev/sequencer");
1183 * exit (-1);
1184 * }
1185 * _seqbufptr = 0;
1186 * }
1187 */
1188
1189 #define SEQ_DEFINEBUF(len) \
1190 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1191 #define SEQ_USE_EXTBUF() \
1192 extern u_char _seqbuf[]; \
1193 extern int _seqbuflen;extern int _seqbufptr
1194 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1195 #define SEQ_PM_DEFINES struct patmgr_info _pm_info
1196 #define _SEQ_NEEDBUF(len) \
1197 if ((_seqbufptr+(len)) > _seqbuflen) \
1198 seqbuf_dump()
1199 #define _SEQ_ADVBUF(len) _seqbufptr += len
1200 #define SEQ_DUMPBUF seqbuf_dump
1201 #else
1202 /*
1203 * This variation of the sequencer macros is used just to format one event
1204 * using fixed buffer.
1205 *
1206 * The program using the macro library must define the following macros before
1207 * using this library.
1208 *
1209 * #define _seqbuf name of the buffer (u_char[])
1210 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1211 * size of the event, this macro can be used.
1212 * Otherwise this must be defined as empty.
1213 * #define _seqbufptr Define the name of index variable or 0 if
1214 * not required.
1215 */
1216 #define _SEQ_NEEDBUF(len) /* empty */
1217 #endif
1218
1219 #define PM_LOAD_PATCH(dev, bank, pgm) \
1220 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1221 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
1222 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
1223 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1224 #define PM_LOAD_PATCHES(dev, bank, pgm) \
1225 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
1226 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \
1227 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
1228 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
1229
1230 #define SEQ_VOLUME_MODE(dev, mode) { \
1231 _SEQ_NEEDBUF(8);\
1232 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1233 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1234 _seqbuf[_seqbufptr+2] = (dev);\
1235 _seqbuf[_seqbufptr+3] = (mode);\
1236 _seqbuf[_seqbufptr+4] = 0;\
1237 _seqbuf[_seqbufptr+5] = 0;\
1238 _seqbuf[_seqbufptr+6] = 0;\
1239 _seqbuf[_seqbufptr+7] = 0;\
1240 _SEQ_ADVBUF(8);}
1241
1242 /*
1243 * Midi voice messages
1244 */
1245
1246 #define _CHN_VOICE(dev, event, chn, note, parm) { \
1247 _SEQ_NEEDBUF(8);\
1248 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1249 _seqbuf[_seqbufptr+1] = (dev);\
1250 _seqbuf[_seqbufptr+2] = (event);\
1251 _seqbuf[_seqbufptr+3] = (chn);\
1252 _seqbuf[_seqbufptr+4] = (note);\
1253 _seqbuf[_seqbufptr+5] = (parm);\
1254 _seqbuf[_seqbufptr+6] = (0);\
1255 _seqbuf[_seqbufptr+7] = 0;\
1256 _SEQ_ADVBUF(8);}
1257
1258 #define SEQ_START_NOTE(dev, chn, note, vol) \
1259 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1260
1261 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1262 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1263
1264 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1265 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1266
1267 /*
1268 * Midi channel messages
1269 */
1270
1271 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \
1272 _SEQ_NEEDBUF(8);\
1273 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1274 _seqbuf[_seqbufptr+1] = (dev);\
1275 _seqbuf[_seqbufptr+2] = (event);\
1276 _seqbuf[_seqbufptr+3] = (chn);\
1277 _seqbuf[_seqbufptr+4] = (p1);\
1278 _seqbuf[_seqbufptr+5] = (p2);\
1279 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1280 _SEQ_ADVBUF(8);}
1281 /*
1282 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1283 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1284 * so _will_ cause problems with MPU401 intelligent mode).
1285 *
1286 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1287 * sent by calling SEQ_SYSEX() several times (there must be no other events
1288 * between them). First sysex fragment must have 0xf0 in the first byte
1289 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1290 * between these sysex start and end markers cannot be larger than 0x7f. Also
1291 * lengths of each fragments (except the last one) must be 6.
1292 *
1293 * Breaking the above rules may work with some MIDI ports but is likely to
1294 * cause fatal problems with some other devices (such as MPU401).
1295 */
1296 #define SEQ_SYSEX(dev, buf, len) { \
1297 int i, l=(len); if (l>6)l=6;\
1298 _SEQ_NEEDBUF(8);\
1299 _seqbuf[_seqbufptr] = EV_SYSEX;\
1300 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1301 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1302 _SEQ_ADVBUF(8);}
1303
1304 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1305 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1306
1307 #define SEQ_SET_PATCH(dev, chn, patch) \
1308 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1309
1310 #define SEQ_CONTROL(dev, chn, controller, value) \
1311 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1312
1313 #define SEQ_BENDER(dev, chn, value) \
1314 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1315
1316
1317 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \
1318 _SEQ_NEEDBUF(8);\
1319 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1320 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1321 _seqbuf[_seqbufptr+2] = (dev);\
1322 _seqbuf[_seqbufptr+3] = (voice);\
1323 _seqbuf[_seqbufptr+4] = (controller);\
1324 *(short *)&_seqbuf[_seqbufptr+5] = (value);\
1325 _seqbuf[_seqbufptr+7] = 0;\
1326 _SEQ_ADVBUF(8);}
1327
1328 /*
1329 * The following 5 macros are incorrectly implemented and obsolete.
1330 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1331 */
1332
1333 #define SEQ_PITCHBEND(dev, voice, value) \
1334 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1335 #define SEQ_BENDER_RANGE(dev, voice, value) \
1336 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1337 #define SEQ_EXPRESSION(dev, voice, value) \
1338 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1339 #define SEQ_MAIN_VOLUME(dev, voice, value) \
1340 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1341 #define SEQ_PANNING(dev, voice, pos) \
1342 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1343
1344 /*
1345 * Timing and syncronization macros
1346 */
1347
1348 #define _TIMER_EVENT(ev, parm) { \
1349 _SEQ_NEEDBUF(8);\
1350 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1351 _seqbuf[_seqbufptr+1] = (ev); \
1352 _seqbuf[_seqbufptr+2] = 0;\
1353 _seqbuf[_seqbufptr+3] = 0;\
1354 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1355 _SEQ_ADVBUF(8); \
1356 }
1357
1358 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1359 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1360 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1361 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1362 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1363 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1364 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1365 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1366 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1367
1368 /*
1369 * Local control events
1370 */
1371
1372 #define _LOCAL_EVENT(ev, parm) { \
1373 _SEQ_NEEDBUF(8);\
1374 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1375 _seqbuf[_seqbufptr+1] = (ev); \
1376 _seqbuf[_seqbufptr+2] = 0;\
1377 _seqbuf[_seqbufptr+3] = 0;\
1378 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \
1379 _SEQ_ADVBUF(8); \
1380 }
1381
1382 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1383 /*
1384 * Events for the level 1 interface only
1385 */
1386
1387 #define SEQ_MIDIOUT(device, byte) { \
1388 _SEQ_NEEDBUF(4);\
1389 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1390 _seqbuf[_seqbufptr+1] = (byte);\
1391 _seqbuf[_seqbufptr+2] = (device);\
1392 _seqbuf[_seqbufptr+3] = 0;\
1393 _SEQ_ADVBUF(4);}
1394
1395 /*
1396 * Patch loading.
1397 */
1398 #define SEQ_WRPATCH(patchx, len) { \
1399 if (_seqbufptr) seqbuf_dump(); \
1400 if (write(seqfd, (char*)(patchx), len)==-1) \
1401 perror("Write patch: /dev/sequencer"); \
1402 }
1403
1404 #define SEQ_WRPATCH2(patchx, len) \
1405 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) )
1406
1407 #endif
1408
1409 /*
1410 * Here I have moved all the aliases for ioctl names.
1411 */
1412
1413 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
1414 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
1415 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
1416
1417 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
1418 #define SOUND_PCM_POST SNDCTL_DSP_POST
1419 #define SOUND_PCM_RESET SNDCTL_DSP_RESET
1420 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
1421 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
1422 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
1423 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
1424 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
1425 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
1426 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
1427 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
1428 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
1429 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
1430 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
1431 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
1432 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
1433 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
1434 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
1435
1436 #endif /* !_SYS_SOUNDCARD_H_ */
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