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*/
1 #ifndef SOUNDCARD_H
2 #define SOUNDCARD_H
3 /*
4 * Copyright by Hannu Savolainen 1993
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 *
28 */
29
30 /*
31 * If you make modifications to this file, please contact me before
32 * distributing the modified version. There is already enough
33 * diversity in the world.
34 *
35 * Regards,
36 * Hannu Savolainen
37 * hannu@voxware.pp.fi
38 *
39 **********************************************************************
40 * PS. The Hacker's Guide to VoxWare available from
41 * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is
42 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains
43 * some useful information about programming with VoxWare.
44 * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have
45 * to cd inside them before the files are accessible.)
46 **********************************************************************
47 */
48
49 #define SOUND_VERSION 301
50 #define VOXWARE
51
52 #include <sys/ioctl.h>
53
54 /*
55 * Supported card ID numbers (Should be somewhere else?)
56 */
57
58 #define SNDCARD_ADLIB 1
59 #define SNDCARD_SB 2
60 #define SNDCARD_PAS 3
61 #define SNDCARD_GUS 4
62 #define SNDCARD_MPU401 5
63 #define SNDCARD_SB16 6
64 #define SNDCARD_SB16MIDI 7
65 #define SNDCARD_UART6850 8
66 #define SNDCARD_GUS16 9
67 #define SNDCARD_MSS 10
68 #define SNDCARD_PSS 11
69 #define SNDCARD_SSCAPE 12
70 #define SNDCARD_PSS_MPU 13
71 #define SNDCARD_PSS_MSS 14
72 #define SNDCARD_SSCAPE_MSS 15
73 #define SNDCARD_TRXPRO 16
74 #define SNDCARD_TRXPRO_SB 17
75 #define SNDCARD_TRXPRO_MPU 18
76 #define SNDCARD_MAD16 19
77 #define SNDCARD_MAD16_MPU 20
78 #define SNDCARD_CS4232 21
79 #define SNDCARD_CS4232_MPU 22
80 #define SNDCARD_MAUI 23
81 #define SNDCARD_PSEUDO_MSS 24
82
83 /***********************************
84 * IOCTL Commands for /dev/sequencer
85 */
86
87 #ifndef _IOWR
88 /* @(#)ioctlp.h */
89
90 /* Ioctl's have the command encoded in the lower word,
91 * and the size of any in or out parameters in the upper
92 * word. The high 2 bits of the upper word are used
93 * to encode the in/out status of the parameter; for now
94 * we restrict parameters to at most 128 bytes.
95 */
96 /* #define IOCTYPE (0xff<<8) */
97 #define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
98 #define IOC_VOID 0x00000000 /* no parameters */
99 #define IOC_OUT 0x20000000 /* copy out parameters */
100 #define IOC_IN 0x40000000 /* copy in parameters */
101 #define IOC_INOUT (IOC_IN|IOC_OUT)
102 /* the 0x20000000 is so we can distinguish new ioctl's from old */
103 #define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y))
104 #define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
105 #define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
106 /* this should be _IORW, but stdio got there first */
107 #define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
108 #endif /* !_IOWR */
109
110 #define SNDCTL_SEQ_RESET _IO ('Q', 0)
111 #define SNDCTL_SEQ_SYNC _IO ('Q', 1)
112 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
113 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
114 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
115 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
116 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
117 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
118 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
119 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
120 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
121 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
122 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
123 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int)
124 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */
125 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
126 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
127 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
128 #define SNDCTL_SEQ_PANIC _IO ('Q',17)
129 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec)
130
131 struct seq_event_rec {
132 unsigned char arr[8];
133 };
134
135 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int)
136 #define SNDCTL_TMR_START _IO ('T', 2)
137 #define SNDCTL_TMR_STOP _IO ('T', 3)
138 #define SNDCTL_TMR_CONTINUE _IO ('T', 4)
139 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int)
140 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int)
141 # define TMR_INTERNAL 0x00000001
142 # define TMR_EXTERNAL 0x00000002
143 # define TMR_MODE_MIDI 0x00000010
144 # define TMR_MODE_FSK 0x00000020
145 # define TMR_MODE_CLS 0x00000040
146 # define TMR_MODE_SMPTE 0x00000080
147 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int)
148 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int)
149
150 /*
151 * Endian aware patch key generation algorithm.
152 */
153
154 #if defined(_AIX) || defined(AIX)
155 # define _PATCHKEY(id) (0xfd00|id)
156 #else
157 # define _PATCHKEY(id) ((id<<8)|0xfd)
158 #endif
159
160 /*
161 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
162 * The following patch_info structure has been designed to support
163 * Gravis UltraSound. It tries to be universal format for uploading
164 * sample based patches but is propably too limited.
165 */
166
167 struct patch_info {
168 unsigned short key; /* Use GUS_PATCH here */
169 #define GUS_PATCH _PATCHKEY(0x04)
170 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02)
171
172 short device_no; /* Synthesizer number */
173 short instr_no; /* Midi pgm# */
174
175 unsigned long mode;
176 /*
177 * The least significant byte has the same format than the GUS .PAT
178 * files
179 */
180 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
181 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
182 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
183 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
184 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
185 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
186 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
187 /* (use the env_rate/env_offs fields). */
188 /* Linux specific bits */
189 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
190 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
191 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */
192 /* Other bits must be zeroed */
193
194 long len; /* Size of the wave data in bytes */
195 long loop_start, loop_end; /* Byte offsets from the beginning */
196
197 /*
198 * The base_freq and base_note fields are used when computing the
199 * playback speed for a note. The base_note defines the tone frequency
200 * which is heard if the sample is played using the base_freq as the
201 * playback speed.
202 *
203 * The low_note and high_note fields define the minimum and maximum note
204 * frequencies for which this sample is valid. It is possible to define
205 * more than one samples for a instrument number at the same time. The
206 * low_note and high_note fields are used to select the most suitable one.
207 *
208 * The fields base_note, high_note and low_note should contain
209 * the note frequency multiplied by 1000. For example value for the
210 * middle A is 440*1000.
211 */
212
213 unsigned int base_freq;
214 unsigned long base_note;
215 unsigned long high_note;
216 unsigned long low_note;
217 int panning; /* -128=left, 127=right */
218 int detuning;
219
220 /* New fields introduced in version 1.99.5 */
221
222 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
223 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
224 unsigned char env_offset[ 6 ]; /* 255 == 100% */
225
226 /*
227 * The tremolo, vibrato and scale info are not supported yet.
228 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
229 * WAVE_SCALE
230 */
231
232 unsigned char tremolo_sweep;
233 unsigned char tremolo_rate;
234 unsigned char tremolo_depth;
235
236 unsigned char vibrato_sweep;
237 unsigned char vibrato_rate;
238 unsigned char vibrato_depth;
239
240 int scale_frequency;
241 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
242
243 int volume;
244 int spare[4];
245 char data[1]; /* The waveform data starts here */
246 };
247
248 struct sysex_info {
249 short key; /* Use GUS_PATCH here */
250 #define SYSEX_PATCH _PATCHKEY(0x05)
251 #define MAUI_PATCH _PATCHKEY(0x06)
252 short device_no; /* Synthesizer number */
253 long len; /* Size of the sysex data in bytes */
254 unsigned char data[1]; /* Sysex data starts here */
255 };
256
257 /*
258 * Patch management interface (/dev/sequencer, /dev/patmgr#)
259 * Don't use these calls if you want to maintain compatibility with
260 * the future versions of the driver.
261 */
262
263 #define PS_NO_PATCHES 0 /* No patch support on device */
264 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
265 #define PS_MGR_OK 2 /* Patch manager supported */
266 #define PS_MANAGED 3 /* Patch manager running */
267
268 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
269
270 /*
271 * The patmgr_info is a fixed size structure which is used for two
272 * different purposes. The intended use is for communication between
273 * the application using /dev/sequencer and the patch manager daemon
274 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
275 *
276 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
277 * a patch manager daemon to read and write device parameters. This
278 * ioctl available through /dev/sequencer also. Avoid using it since it's
279 * extremely hardware dependent. In addition access trough /dev/sequencer
280 * may confuse the patch manager daemon.
281 */
282
283 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
284 unsigned long key; /* Don't worry. Reserved for communication
285 between the patch manager and the driver. */
286 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
287 #define PM_K_COMMAND 2 /* Request from a application */
288 #define PM_K_RESPONSE 3 /* From patmgr to application */
289 #define PM_ERROR 4 /* Error returned by the patmgr */
290 int device;
291 int command;
292
293 /*
294 * Commands 0x000 to 0xfff reserved for patch manager programs
295 */
296 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
297 #define PMTYPE_FM2 1 /* 2 OP fm */
298 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
299 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
300 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
301 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
302 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
303 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
304 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
305 #define PM_READ_PATCH 7 /* Read patch (wave) data */
306 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */
307
308 /*
309 * Commands 0x1000 to 0xffff are for communication between the patch manager
310 * and the client
311 */
312 #define _PM_LOAD_PATCH 0x100
313
314 /*
315 * Commands above 0xffff reserved for device specific use
316 */
317
318 long parm1;
319 long parm2;
320 long parm3;
321
322 union {
323 unsigned char data8[4000];
324 unsigned short data16[2000];
325 unsigned long data32[1000];
326 struct patch_info patch;
327 } data;
328 };
329
330 /*
331 * When a patch manager daemon is present, it will be informed by the
332 * driver when something important happens. For example when the
333 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
334 * returned. The command field contains the event type:
335 */
336 #define PM_E_OPENED 1 /* /dev/sequencer opened */
337 #define PM_E_CLOSED 2 /* /dev/sequencer closed */
338 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
339 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
340
341 /*
342 * /dev/sequencer input events.
343 *
344 * The data written to the /dev/sequencer is a stream of events. Events
345 * are records of 4 or 8 bytes. The first byte defines the size.
346 * Any number of events can be written with a write call. There
347 * is a set of macros for sending these events. Use these macros if you
348 * want to maximize portability of your program.
349 *
350 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
351 * (All input events are currently 4 bytes long. Be prepared to support
352 * 8 byte events also. If you receive any event having first byte >= 128,
353 * it's a 8 byte event.
354 *
355 * The events are documented at the end of this file.
356 *
357 * Normal events (4 bytes)
358 * There is also a 8 byte version of most of the 4 byte events. The
359 * 8 byte one is recommended.
360 */
361 #define SEQ_NOTEOFF 0
362 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
363 #define SEQ_NOTEON 1
364 #define SEQ_FMNOTEON SEQ_NOTEON
365 #define SEQ_WAIT TMR_WAIT_ABS
366 #define SEQ_PGMCHANGE 3
367 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
368 #define SEQ_SYNCTIMER TMR_START
369 #define SEQ_MIDIPUTC 5
370 #define SEQ_DRUMON 6 /*** OBSOLETE ***/
371 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
372 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */
373 #define SEQ_AFTERTOUCH 9
374 #define SEQ_CONTROLLER 10
375
376 /*******************************************
377 * Midi controller numbers
378 *******************************************
379 * Controllers 0 to 31 (0x00 to 0x1f) and
380 * 32 to 63 (0x20 to 0x3f) are continuous
381 * controllers.
382 * In the MIDI 1.0 these controllers are sent using
383 * two messages. Controller numbers 0 to 31 are used
384 * to send the MSB and the controller numbers 32 to 63
385 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
386 */
387
388 #define CTL_BANK_SELECT 0x00
389 #define CTL_MODWHEEL 0x01
390 #define CTL_BREATH 0x02
391 /* undefined 0x03 */
392 #define CTL_FOOT 0x04
393 #define CTL_PORTAMENTO_TIME 0x05
394 #define CTL_DATA_ENTRY 0x06
395 #define CTL_MAIN_VOLUME 0x07
396 #define CTL_BALANCE 0x08
397 /* undefined 0x09 */
398 #define CTL_PAN 0x0a
399 #define CTL_EXPRESSION 0x0b
400 /* undefined 0x0c */
401 /* undefined 0x0d */
402 /* undefined 0x0e */
403 /* undefined 0x0f */
404 #define CTL_GENERAL_PURPOSE1 0x10
405 #define CTL_GENERAL_PURPOSE2 0x11
406 #define CTL_GENERAL_PURPOSE3 0x12
407 #define CTL_GENERAL_PURPOSE4 0x13
408 /* undefined 0x14 - 0x1f */
409
410 /* undefined 0x20 */
411 /* The controller numbers 0x21 to 0x3f are reserved for the */
412 /* least significant bytes of the controllers 0x00 to 0x1f. */
413 /* These controllers are not recognised by the driver. */
414
415 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
416 /* 0=OFF and 127=ON (intermediate values are possible) */
417 #define CTL_DAMPER_PEDAL 0x40
418 #define CTL_SUSTAIN 0x40 /* Alias */
419 #define CTL_HOLD 0x40 /* Alias */
420 #define CTL_PORTAMENTO 0x41
421 #define CTL_SOSTENUTO 0x42
422 #define CTL_SOFT_PEDAL 0x43
423 /* undefined 0x44 */
424 #define CTL_HOLD2 0x45
425 /* undefined 0x46 - 0x4f */
426
427 #define CTL_GENERAL_PURPOSE5 0x50
428 #define CTL_GENERAL_PURPOSE6 0x51
429 #define CTL_GENERAL_PURPOSE7 0x52
430 #define CTL_GENERAL_PURPOSE8 0x53
431 /* undefined 0x54 - 0x5a */
432 #define CTL_EXT_EFF_DEPTH 0x5b
433 #define CTL_TREMOLO_DEPTH 0x5c
434 #define CTL_CHORUS_DEPTH 0x5d
435 #define CTL_DETUNE_DEPTH 0x5e
436 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
437 #define CTL_PHASER_DEPTH 0x5f
438 #define CTL_DATA_INCREMENT 0x60
439 #define CTL_DATA_DECREMENT 0x61
440 #define CTL_NONREG_PARM_NUM_LSB 0x62
441 #define CTL_NONREG_PARM_NUM_MSB 0x63
442 #define CTL_REGIST_PARM_NUM_LSB 0x64
443 #define CTL_REGIST_PARM_NUM_MSB 0x65
444 /* undefined 0x66 - 0x78 */
445 /* reserved 0x79 - 0x7f */
446
447 /* Pseudo controllers (not midi compatible) */
448 #define CTRL_PITCH_BENDER 255
449 #define CTRL_PITCH_BENDER_RANGE 254
450 #define CTRL_EXPRESSION 253 /* Obsolete */
451 #define CTRL_MAIN_VOLUME 252 /* Obsolete */
452 #define SEQ_BALANCE 11
453 #define SEQ_VOLMODE 12
454
455 /*
456 * Volume mode decides how volumes are used
457 */
458
459 #define VOL_METHOD_ADAGIO 1
460 #define VOL_METHOD_LINEAR 2
461
462 /*
463 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
464 * input events.
465 */
466
467 /*
468 * Event codes 0xf0 to 0xfc are reserved for future extensions.
469 */
470
471 #define SEQ_FULLSIZE 0xfd /* Long events */
472 /*
473 * SEQ_FULLSIZE events are used for loading patches/samples to the
474 * synthesizer devices. These events are passed directly to the driver
475 * of the associated synthesizer device. There is no limit to the size
476 * of the extended events. These events are not queued but executed
477 * immediately when the write() is called (execution can take several
478 * seconds of time).
479 *
480 * When a SEQ_FULLSIZE message is written to the device, it must
481 * be written using exactly one write() call. Other events cannot
482 * be mixed to the same write.
483 *
484 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
485 * /dev/sequencer. Don't write other data together with the instrument structure
486 * Set the key field of the structure to FM_PATCH. The device field is used to
487 * route the patch to the corresponding device.
488 *
489 * For Gravis UltraSound use struct patch_info. Initialize the key field
490 * to GUS_PATCH.
491 */
492 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
493 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
494
495 /*
496 * Record for FM patches
497 */
498
499 typedef unsigned char sbi_instr_data[32];
500
501 struct sbi_instrument {
502 unsigned short key; /* FM_PATCH or OPL3_PATCH */
503 #define FM_PATCH _PATCHKEY(0x01)
504 #define OPL3_PATCH _PATCHKEY(0x03)
505 short device; /* Synth# (0-4) */
506 int channel; /* Program# to be initialized */
507 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
508 };
509
510 struct synth_info { /* Read only */
511 char name[30];
512 int device; /* 0-N. INITIALIZE BEFORE CALLING */
513 int synth_type;
514 #define SYNTH_TYPE_FM 0
515 #define SYNTH_TYPE_SAMPLE 1
516 #define SYNTH_TYPE_MIDI 2 /* Midi interface */
517
518 int synth_subtype;
519 #define FM_TYPE_ADLIB 0x00
520 #define FM_TYPE_OPL3 0x01
521 #define MIDI_TYPE_MPU401 0x401
522
523 #define SAMPLE_TYPE_GUS 0x10
524
525 int perc_mode; /* No longer supported */
526 int nr_voices;
527 int nr_drums; /* Obsolete field */
528 int instr_bank_size;
529 unsigned long capabilities;
530 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
531 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
532 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
533 int dummies[19]; /* Reserve space */
534 };
535
536 struct sound_timer_info {
537 char name[32];
538 int caps;
539 };
540
541 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
542
543 struct midi_info {
544 char name[30];
545 int device; /* 0-N. INITIALIZE BEFORE CALLING */
546 unsigned long capabilities; /* To be defined later */
547 int dev_type;
548 int dummies[18]; /* Reserve space */
549 };
550
551 /********************************************
552 * ioctl commands for the /dev/midi##
553 */
554 typedef struct {
555 unsigned char cmd;
556 char nr_args, nr_returns;
557 unsigned char data[30];
558 } mpu_command_rec;
559
560 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int)
561 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int)
562 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec)
563
564 /********************************************
565 * IOCTL commands for /dev/dsp and /dev/audio
566 */
567
568 #define SNDCTL_DSP_RESET _IO ('P', 0)
569 #define SNDCTL_DSP_SYNC _IO ('P', 1)
570 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
571 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
572 #define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
573 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
574 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
575 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
576 #define SNDCTL_DSP_POST _IO ('P', 8)
577 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
578 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int)
579
580 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
581 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */
582 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/
583 # define AFMT_QUERY 0x00000000 /* Return current fmt */
584 # define AFMT_MU_LAW 0x00000001
585 # define AFMT_A_LAW 0x00000002
586 # define AFMT_IMA_ADPCM 0x00000004
587 # define AFMT_U8 0x00000008
588 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
589 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
590 # define AFMT_S8 0x00000040
591 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */
592 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */
593 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
594
595 /*
596 * Buffer status queries.
597 */
598 typedef struct audio_buf_info {
599 int fragments; /* # of available fragments (partially usend ones not counted) */
600 int fragstotal; /* Total # of fragments allocated */
601 int fragsize; /* Size of a fragment in bytes */
602
603 int bytes; /* Available space in bytes (includes partially used fragments) */
604 /* Note! 'bytes' could be more than fragments*fragsize */
605 } audio_buf_info;
606
607 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info)
608 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info)
609 #define SNDCTL_DSP_NONBLOCK _IO ('P',14)
610 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
611 # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
612 # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
613 # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
614 # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
615 /* internal buffers which may */
616 /* cause some delays and */
617 /* decrease precision of timing */
618 # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
619 /* Sometimes it's a DSP */
620 /* but usually not */
621 # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
622
623 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
624 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
625 # define PCM_ENABLE_INPUT 0x00000001
626 # define PCM_ENABLE_OUTPUT 0x00000002
627
628 typedef struct count_info {
629 int bytes; /* Total # of bytes processed */
630 int blocks; /* # of fragment transitions since last time */
631 int ptr; /* Current DMA pointer value */
632 } count_info;
633
634 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info)
635 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info)
636
637 typedef struct buffmem_desc {
638 caddr_t buffer;
639 int size;
640 } buffmem_desc;
641 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc)
642 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc)
643 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)
644
645 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
646 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
647 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
648 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
649
650 /* Some alias names */
651 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
652 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
653 #define SOUND_PCM_POST SNDCTL_DSP_POST
654 #define SOUND_PCM_RESET SNDCTL_DSP_RESET
655 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
656 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
657 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
658 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
659 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
660 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
661 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
662 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
663 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
664 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
665 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
666 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
667 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
668 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
669 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
670 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
671
672 /*
673 * ioctl calls to be used in communication with coprocessors and
674 * DSP chips.
675 */
676
677 typedef struct copr_buffer {
678 int command; /* Set to 0 if not used */
679 int flags;
680 #define CPF_NONE 0x0000
681 #define CPF_FIRST 0x0001 /* First block */
682 #define CPF_LAST 0x0002 /* Last block */
683 int len;
684 int offs; /* If required by the device (0 if not used) */
685
686 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
687 } copr_buffer;
688
689 typedef struct copr_debug_buf {
690 int command; /* Used internally. Set to 0 */
691 int parm1;
692 int parm2;
693 int flags;
694 int len; /* Length of data in bytes */
695 } copr_debug_buf;
696
697 typedef struct copr_msg {
698 int len;
699 unsigned char data[4000];
700 } copr_msg;
701
702 #define SNDCTL_COPR_RESET _IO ('C', 0)
703 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer)
704 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf)
705 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf)
706 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf)
707 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf)
708 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf)
709 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf)
710 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg)
711 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg)
712
713 /*********************************************
714 * IOCTL commands for /dev/mixer
715 */
716
717 /*
718 * Mixer devices
719 *
720 * There can be up to 20 different analog mixer channels. The
721 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
722 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
723 * the devices supported by the particular mixer.
724 */
725
726 #define SOUND_MIXER_NRDEVICES 17
727 #define SOUND_MIXER_VOLUME 0
728 #define SOUND_MIXER_BASS 1
729 #define SOUND_MIXER_TREBLE 2
730 #define SOUND_MIXER_SYNTH 3
731 #define SOUND_MIXER_PCM 4
732 #define SOUND_MIXER_SPEAKER 5
733 #define SOUND_MIXER_LINE 6
734 #define SOUND_MIXER_MIC 7
735 #define SOUND_MIXER_CD 8
736 #define SOUND_MIXER_IMIX 9 /* Recording monitor */
737 #define SOUND_MIXER_ALTPCM 10
738 #define SOUND_MIXER_RECLEV 11 /* Recording level */
739 #define SOUND_MIXER_IGAIN 12 /* Input gain */
740 #define SOUND_MIXER_OGAIN 13 /* Output gain */
741 /*
742 * The AD1848 codec and compatibles have three line level inputs
743 * (line, aux1 and aux2). Since each card manufacturer have assigned
744 * different meanings to these inputs, it's inpractical to assign
745 * specific meanings (line, cd, synth etc.) to them.
746 */
747 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
748 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
749 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
750
751 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
752 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
753 #define SOUND_ONOFF_MIN 28
754 #define SOUND_ONOFF_MAX 30
755 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */
756 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */
757
758 /* Note! Number 31 cannot be used since the sign bit is reserved */
759
760
761 /*
762 * SOUND_MIXER_ENHANCE is an unsupported and undocumented call which
763 * will be removed from the API in future.
764 */
765 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
766
767
768
769 #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
770 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
771 "Line1", "Line2", "Line3"}
772
773 #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
774 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
775 "line1", "line2", "line3"}
776
777 /* Device bitmask identifiers */
778
779 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
780 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
781 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
782 #define SOUND_MIXER_CAPS 0xfc
783 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
784 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
785
786 /* Device mask bits */
787
788 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
789 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
790 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
791 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
792 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
793 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
794 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
795 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
796 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
797 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
798 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
799 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
800 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
801 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
802 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
803 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
804 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
805
806 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
807 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
808 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
809
810 #define MIXER_READ(dev) _IOR('M', dev, int)
811 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
812 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
813 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
814 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
815 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
816 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
817 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
818 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
819 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
820 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
821 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
822 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
823 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
824 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
825 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
826 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
827 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
828 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
829 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
830 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
831
832 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
833 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
834 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
835 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
836 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
837
838 #define MIXER_WRITE(dev) _IOWR('M', dev, int)
839 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
840 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
841 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
842 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
843 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
844 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
845 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
846 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
847 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
848 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
849 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
850 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
851 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
852 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
853 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
854 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
855 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
856 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
857 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
858 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
859
860 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
861
862 /*
863 * Level 2 event types for /dev/sequencer
864 */
865
866 /*
867 * The 4 most significant bits of byte 0 specify the class of
868 * the event:
869 *
870 * 0x8X = system level events,
871 * 0x9X = device/port specific events, event[1] = device/port,
872 * The last 4 bits give the subtype:
873 * 0x02 = Channel event (event[3] = chn).
874 * 0x01 = note event (event[4] = note).
875 * (0x01 is not used alone but always with bit 0x02).
876 * event[2] = MIDI message code (0x80=note off etc.)
877 *
878 */
879
880 #define EV_SEQ_LOCAL 0x80
881 #define EV_TIMING 0x81
882 #define EV_CHN_COMMON 0x92
883 #define EV_CHN_VOICE 0x93
884 #define EV_SYSEX 0x94
885 /*
886 * Event types 200 to 220 are reserved for application use.
887 * These numbers will not be used by the driver.
888 */
889
890 /*
891 * Events for event type EV_CHN_VOICE
892 */
893
894 #define MIDI_NOTEOFF 0x80
895 #define MIDI_NOTEON 0x90
896 #define MIDI_KEY_PRESSURE 0xA0
897
898 /*
899 * Events for event type EV_CHN_COMMON
900 */
901
902 #define MIDI_CTL_CHANGE 0xB0
903 #define MIDI_PGM_CHANGE 0xC0
904 #define MIDI_CHN_PRESSURE 0xD0
905 #define MIDI_PITCH_BEND 0xE0
906
907 #define MIDI_SYSTEM_PREFIX 0xF0
908
909 /*
910 * Timer event types
911 */
912 #define TMR_WAIT_REL 1 /* Time relative to the prev time */
913 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
914 #define TMR_STOP 3
915 #define TMR_START 4
916 #define TMR_CONTINUE 5
917 #define TMR_TEMPO 6
918 #define TMR_ECHO 8
919 #define TMR_CLOCK 9 /* MIDI clock */
920 #define TMR_SPP 10 /* Song position pointer */
921 #define TMR_TIMESIG 11 /* Time signature */
922
923 /*
924 * Local event types
925 */
926 #define LOCL_STARTAUDIO 1
927
928 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
929 /*
930 * Some convenience macros to simplify programming of the
931 * /dev/sequencer interface
932 *
933 * These macros define the API which should be used when possible.
934 */
935
936 #ifndef USE_SIMPLE_MACROS
937 void seqbuf_dump(void); /* This function must be provided by programs */
938
939 /* Sample seqbuf_dump() implementation:
940 *
941 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
942 *
943 * int seqfd; -- The file descriptor for /dev/sequencer.
944 *
945 * void
946 * seqbuf_dump ()
947 * {
948 * if (_seqbufptr)
949 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
950 * {
951 * perror ("write /dev/sequencer");
952 * exit (-1);
953 * }
954 * _seqbufptr = 0;
955 * }
956 */
957
958 #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
959 #define SEQ_USE_EXTBUF() extern unsigned char _seqbuf[]; extern int _seqbuflen;extern int _seqbufptr
960 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
961 #define SEQ_PM_DEFINES struct patmgr_info _pm_info
962 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
963 #define _SEQ_ADVBUF(len) _seqbufptr += len
964 #define SEQ_DUMPBUF seqbuf_dump
965 #else
966 /*
967 * This variation of the sequencer macros is used just to format one event
968 * using fixed buffer.
969 *
970 * The program using the macro library must define the following macros before
971 * using this library.
972 *
973 * #define _seqbuf name of the buffer (unsigned char[])
974 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
975 * size of the event, this macro can be used.
976 * Otherwise this must be defined as empty.
977 * #define _seqbufptr Define the name of index variable or 0 if
978 * not required.
979 */
980 #define _SEQ_NEEDBUF(len) /* empty */
981 #endif
982
983 #define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
984 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
985 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
986 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
987 #define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
988 _pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \
989 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
990 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
991
992 #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
993 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
994 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
995 _seqbuf[_seqbufptr+2] = (dev);\
996 _seqbuf[_seqbufptr+3] = (mode);\
997 _seqbuf[_seqbufptr+4] = 0;\
998 _seqbuf[_seqbufptr+5] = 0;\
999 _seqbuf[_seqbufptr+6] = 0;\
1000 _seqbuf[_seqbufptr+7] = 0;\
1001 _SEQ_ADVBUF(8);}
1002
1003 /*
1004 * Midi voice messages
1005 */
1006
1007 #define _CHN_VOICE(dev, event, chn, note, parm) \
1008 {_SEQ_NEEDBUF(8);\
1009 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1010 _seqbuf[_seqbufptr+1] = (dev);\
1011 _seqbuf[_seqbufptr+2] = (event);\
1012 _seqbuf[_seqbufptr+3] = (chn);\
1013 _seqbuf[_seqbufptr+4] = (note);\
1014 _seqbuf[_seqbufptr+5] = (parm);\
1015 _seqbuf[_seqbufptr+6] = (0);\
1016 _seqbuf[_seqbufptr+7] = 0;\
1017 _SEQ_ADVBUF(8);}
1018
1019 #define SEQ_START_NOTE(dev, chn, note, vol) \
1020 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1021
1022 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1023 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1024
1025 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1026 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1027
1028 /*
1029 * Midi channel messages
1030 */
1031
1032 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1033 {_SEQ_NEEDBUF(8);\
1034 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1035 _seqbuf[_seqbufptr+1] = (dev);\
1036 _seqbuf[_seqbufptr+2] = (event);\
1037 _seqbuf[_seqbufptr+3] = (chn);\
1038 _seqbuf[_seqbufptr+4] = (p1);\
1039 _seqbuf[_seqbufptr+5] = (p2);\
1040 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1041 _SEQ_ADVBUF(8);}
1042 /*
1043 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1044 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1045 * so _will_ cause problems with MPU401 intelligent mode).
1046 *
1047 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1048 * sent by calling SEQ_SYSEX() several times (there must be no other events
1049 * between them). First sysex fragment must have 0xf0 in the first byte
1050 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1051 * between these sysex start and end markers cannot be larger than 0x7f. Also
1052 * lengths of each fragments (except the last one) must be 6.
1053 *
1054 * Breaking the above rules may work with some MIDI ports but is likely to
1055 * cause fatal problems with some other devices (such as MPU401).
1056 */
1057 #define SEQ_SYSEX(dev, buf, len) \
1058 {int i, l=(len); if (l>6)l=6;\
1059 _SEQ_NEEDBUF(8);\
1060 _seqbuf[_seqbufptr] = EV_SYSEX;\
1061 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1062 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1063 _SEQ_ADVBUF(8);}
1064
1065 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1066 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1067
1068 #define SEQ_SET_PATCH(dev, chn, patch) \
1069 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1070
1071 #define SEQ_CONTROL(dev, chn, controller, value) \
1072 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1073
1074 #define SEQ_BENDER(dev, chn, value) \
1075 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1076
1077
1078 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1079 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1080 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1081 _seqbuf[_seqbufptr+2] = (dev);\
1082 _seqbuf[_seqbufptr+3] = (voice);\
1083 _seqbuf[_seqbufptr+4] = (controller);\
1084 *(short *)&_seqbuf[_seqbufptr+5] = (value);\
1085 _seqbuf[_seqbufptr+7] = 0;\
1086 _SEQ_ADVBUF(8);}
1087 /*
1088 * The following 5 macros are incorrectly implemented and obsolete.
1089 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1090 */
1091 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1092 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1093 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1094 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1095 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1096
1097 /*
1098 * Timing and syncronization macros
1099 */
1100
1101 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1102 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1103 _seqbuf[_seqbufptr+1] = (ev); \
1104 _seqbuf[_seqbufptr+2] = 0;\
1105 _seqbuf[_seqbufptr+3] = 0;\
1106 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1107 _SEQ_ADVBUF(8);}
1108
1109 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1110 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1111 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1112 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1113 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1114 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1115 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1116 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1117 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1118
1119 /*
1120 * Local control events
1121 */
1122
1123 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1124 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1125 _seqbuf[_seqbufptr+1] = (ev); \
1126 _seqbuf[_seqbufptr+2] = 0;\
1127 _seqbuf[_seqbufptr+3] = 0;\
1128 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1129 _SEQ_ADVBUF(8);}
1130
1131 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1132 /*
1133 * Events for the level 1 interface only
1134 */
1135
1136 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1137 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1138 _seqbuf[_seqbufptr+1] = (byte);\
1139 _seqbuf[_seqbufptr+2] = (device);\
1140 _seqbuf[_seqbufptr+3] = 0;\
1141 _SEQ_ADVBUF(4);}
1142
1143 /*
1144 * Patch loading.
1145 */
1146 #define SEQ_WRPATCH(patchx, len) {if (_seqbufptr) seqbuf_dump();\
1147 if (write(seqfd, (char*)(patchx), len)==-1) \
1148 perror("Write patch: /dev/sequencer");}
1149 #define SEQ_WRPATCH2(patchx, len) (seqbuf_dump(), write(seqfd, (char*)(patchx), len))
1150
1151 #endif
1152 #endif
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