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*/
1 #ifndef SOUNDCARD_H
2 #define SOUNDCARD_H
3 /*
4 * Copyright by Hannu Savolainen 1993-1996
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 2.
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #define SOUND_VERSION 350
28 #define UNIX_SOUND_SYSTEM
29
30 #include <sys/ioctl.h>
31
32 /*
33 * Supported card ID numbers (Should be somewhere else?)
34 */
35
36 #define SNDCARD_ADLIB 1
37 #define SNDCARD_SB 2
38 #define SNDCARD_PAS 3
39 #define SNDCARD_GUS 4
40 #define SNDCARD_MPU401 5
41 #define SNDCARD_SB16 6
42 #define SNDCARD_SB16MIDI 7
43 #define SNDCARD_UART6850 8
44 #define SNDCARD_GUS16 9
45 #define SNDCARD_MSS 10
46 #define SNDCARD_PSS 11
47 #define SNDCARD_SSCAPE 12
48 #define SNDCARD_PSS_MPU 13
49 #define SNDCARD_PSS_MSS 14
50 #define SNDCARD_SSCAPE_MSS 15
51 #define SNDCARD_TRXPRO 16
52 #define SNDCARD_TRXPRO_SB 17
53 #define SNDCARD_TRXPRO_MPU 18
54 #define SNDCARD_MAD16 19
55 #define SNDCARD_MAD16_MPU 20
56 #define SNDCARD_CS4232 21
57 #define SNDCARD_CS4232_MPU 22
58 #define SNDCARD_MAUI 23
59 #define SNDCARD_PSEUDO_MSS 24
60 #define SNDCARD_GUSPNP 25
61
62 /***********************************
63 * IOCTL Commands for /dev/sequencer
64 */
65
66 #ifndef _IOWR
67 /* @(#)ioctlp.h */
68
69 /* Ioctl's have the command encoded in the lower word,
70 * and the size of any in or out parameters in the upper
71 * word. The high 2 bits of the upper word are used
72 * to encode the in/out status of the parameter; for now
73 * we restrict parameters to at most 128 bytes.
74 */
75 /* #define IOCTYPE (0xff<<8) */
76 #define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
77 #define IOC_VOID 0x00000000 /* no parameters */
78 #define IOC_OUT 0x20000000 /* copy out parameters */
79 #define IOC_IN 0x40000000 /* copy in parameters */
80 #define IOC_INOUT (IOC_IN|IOC_OUT)
81 /* the 0x20000000 is so we can distinguish new ioctl's from old */
82 #define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y))
83 #define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
84 #define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
85 /* this should be _IORW, but stdio got there first */
86 #define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y))
87 #endif /* !_IOWR */
88
89 #define SNDCTL_SEQ_RESET _IO ('Q', 0)
90 #define SNDCTL_SEQ_SYNC _IO ('Q', 1)
91 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info)
92 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
93 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int)
94 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int)
95 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int)
96 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */
97 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int)
98 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int)
99 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int)
100 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int)
101 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info)
102 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int)
103 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */
104 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */
105 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */
106 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info)
107 #define SNDCTL_SEQ_PANIC _IO ('Q',17)
108 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec)
109
110 struct seq_event_rec {
111 unsigned char arr[8];
112 };
113
114 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int)
115 #define SNDCTL_TMR_START _IO ('T', 2)
116 #define SNDCTL_TMR_STOP _IO ('T', 3)
117 #define SNDCTL_TMR_CONTINUE _IO ('T', 4)
118 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int)
119 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int)
120 # define TMR_INTERNAL 0x00000001
121 # define TMR_EXTERNAL 0x00000002
122 # define TMR_MODE_MIDI 0x00000010
123 # define TMR_MODE_FSK 0x00000020
124 # define TMR_MODE_CLS 0x00000040
125 # define TMR_MODE_SMPTE 0x00000080
126 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int)
127 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int)
128
129 /*
130 * Endian aware patch key generation algorithm.
131 */
132
133 #if defined(_AIX) || defined(AIX)
134 # define _PATCHKEY(id) (0xfd00|id)
135 #else
136 # define _PATCHKEY(id) ((id<<8)|0xfd)
137 #endif
138
139 /*
140 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
141 * The following patch_info structure has been designed to support
142 * Gravis UltraSound. It tries to be universal format for uploading
143 * sample based patches but is propably too limited.
144 */
145
146 struct patch_info {
147 unsigned short key; /* Use GUS_PATCH here */
148 #define GUS_PATCH _PATCHKEY(0x04)
149 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02)
150
151 short device_no; /* Synthesizer number */
152 short instr_no; /* Midi pgm# */
153
154 unsigned int mode;
155 /*
156 * The least significant byte has the same format than the GUS .PAT
157 * files
158 */
159 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
160 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
161 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
162 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
163 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
164 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
165 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
166 /* (use the env_rate/env_offs fields). */
167 /* Linux specific bits */
168 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
169 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
170 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */
171 /* Other bits must be zeroed */
172
173 int len; /* Size of the wave data in bytes */
174 int loop_start, loop_end; /* Byte offsets from the beginning */
175
176 /*
177 * The base_freq and base_note fields are used when computing the
178 * playback speed for a note. The base_note defines the tone frequency
179 * which is heard if the sample is played using the base_freq as the
180 * playback speed.
181 *
182 * The low_note and high_note fields define the minimum and maximum note
183 * frequencies for which this sample is valid. It is possible to define
184 * more than one samples for a instrument number at the same time. The
185 * low_note and high_note fields are used to select the most suitable one.
186 *
187 * The fields base_note, high_note and low_note should contain
188 * the note frequency multiplied by 1000. For example value for the
189 * middle A is 440*1000.
190 */
191
192 unsigned int base_freq;
193 unsigned int base_note;
194 unsigned int high_note;
195 unsigned int low_note;
196 int panning; /* -128=left, 127=right */
197 int detuning;
198
199 /* New fields introduced in version 1.99.5 */
200
201 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
202 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
203 unsigned char env_offset[ 6 ]; /* 255 == 100% */
204
205 /*
206 * The tremolo, vibrato and scale info are not supported yet.
207 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
208 * WAVE_SCALE
209 */
210
211 unsigned char tremolo_sweep;
212 unsigned char tremolo_rate;
213 unsigned char tremolo_depth;
214
215 unsigned char vibrato_sweep;
216 unsigned char vibrato_rate;
217 unsigned char vibrato_depth;
218
219 int scale_frequency;
220 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
221
222 int volume;
223 int spare[4];
224 char data[1]; /* The waveform data starts here */
225 };
226
227 struct sysex_info {
228 short key; /* Use GUS_PATCH here */
229 #define SYSEX_PATCH _PATCHKEY(0x05)
230 #define MAUI_PATCH _PATCHKEY(0x06)
231 short device_no; /* Synthesizer number */
232 int len; /* Size of the sysex data in bytes */
233 unsigned char data[1]; /* Sysex data starts here */
234 };
235
236 /*
237 * Patch management interface (/dev/sequencer, /dev/patmgr#)
238 * Don't use these calls if you want to maintain compatibility with
239 * the future versions of the driver.
240 */
241
242 #define PS_NO_PATCHES 0 /* No patch support on device */
243 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */
244 #define PS_MGR_OK 2 /* Patch manager supported */
245 #define PS_MANAGED 3 /* Patch manager running */
246
247 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info)
248
249 /*
250 * The patmgr_info is a fixed size structure which is used for two
251 * different purposes. The intended use is for communication between
252 * the application using /dev/sequencer and the patch manager daemon
253 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)).
254 *
255 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows
256 * a patch manager daemon to read and write device parameters. This
257 * ioctl available through /dev/sequencer also. Avoid using it since it's
258 * extremely hardware dependent. In addition access trough /dev/sequencer
259 * may confuse the patch manager daemon.
260 */
261
262 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */
263 unsigned int key; /* Don't worry. Reserved for communication
264 between the patch manager and the driver. */
265 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */
266 #define PM_K_COMMAND 2 /* Request from a application */
267 #define PM_K_RESPONSE 3 /* From patmgr to application */
268 #define PM_ERROR 4 /* Error returned by the patmgr */
269 int device;
270 int command;
271
272 /*
273 * Commands 0x000 to 0xfff reserved for patch manager programs
274 */
275 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */
276 #define PMTYPE_FM2 1 /* 2 OP fm */
277 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */
278 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */
279 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */
280 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */
281 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */
282 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */
283 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */
284 #define PM_READ_PATCH 7 /* Read patch (wave) data */
285 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */
286
287 /*
288 * Commands 0x1000 to 0xffff are for communication between the patch manager
289 * and the client
290 */
291 #define _PM_LOAD_PATCH 0x100
292
293 /*
294 * Commands above 0xffff reserved for device specific use
295 */
296
297 int parm1;
298 int parm2;
299 int parm3;
300
301 union {
302 unsigned char data8[4000];
303 unsigned short data16[2000];
304 unsigned int data32[1000];
305 struct patch_info patch;
306 } data;
307 };
308
309 /*
310 * When a patch manager daemon is present, it will be informed by the
311 * driver when something important happens. For example when the
312 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is
313 * returned. The command field contains the event type:
314 */
315 #define PM_E_OPENED 1 /* /dev/sequencer opened */
316 #define PM_E_CLOSED 2 /* /dev/sequencer closed */
317 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */
318 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */
319
320 /*
321 * /dev/sequencer input events.
322 *
323 * The data written to the /dev/sequencer is a stream of events. Events
324 * are records of 4 or 8 bytes. The first byte defines the size.
325 * Any number of events can be written with a write call. There
326 * is a set of macros for sending these events. Use these macros if you
327 * want to maximize portability of your program.
328 *
329 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
330 * (All input events are currently 4 bytes long. Be prepared to support
331 * 8 byte events also. If you receive any event having first byte >= 128,
332 * it's a 8 byte event.
333 *
334 * The events are documented at the end of this file.
335 *
336 * Normal events (4 bytes)
337 * There is also a 8 byte version of most of the 4 byte events. The
338 * 8 byte one is recommended.
339 */
340 #define SEQ_NOTEOFF 0
341 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
342 #define SEQ_NOTEON 1
343 #define SEQ_FMNOTEON SEQ_NOTEON
344 #define SEQ_WAIT TMR_WAIT_ABS
345 #define SEQ_PGMCHANGE 3
346 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
347 #define SEQ_SYNCTIMER TMR_START
348 #define SEQ_MIDIPUTC 5
349 #define SEQ_DRUMON 6 /*** OBSOLETE ***/
350 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
351 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */
352 #define SEQ_AFTERTOUCH 9
353 #define SEQ_CONTROLLER 10
354
355 /*******************************************
356 * Midi controller numbers
357 *******************************************
358 * Controllers 0 to 31 (0x00 to 0x1f) and
359 * 32 to 63 (0x20 to 0x3f) are continuous
360 * controllers.
361 * In the MIDI 1.0 these controllers are sent using
362 * two messages. Controller numbers 0 to 31 are used
363 * to send the MSB and the controller numbers 32 to 63
364 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
365 */
366
367 #define CTL_BANK_SELECT 0x00
368 #define CTL_MODWHEEL 0x01
369 #define CTL_BREATH 0x02
370 /* undefined 0x03 */
371 #define CTL_FOOT 0x04
372 #define CTL_PORTAMENTO_TIME 0x05
373 #define CTL_DATA_ENTRY 0x06
374 #define CTL_MAIN_VOLUME 0x07
375 #define CTL_BALANCE 0x08
376 /* undefined 0x09 */
377 #define CTL_PAN 0x0a
378 #define CTL_EXPRESSION 0x0b
379 /* undefined 0x0c */
380 /* undefined 0x0d */
381 /* undefined 0x0e */
382 /* undefined 0x0f */
383 #define CTL_GENERAL_PURPOSE1 0x10
384 #define CTL_GENERAL_PURPOSE2 0x11
385 #define CTL_GENERAL_PURPOSE3 0x12
386 #define CTL_GENERAL_PURPOSE4 0x13
387 /* undefined 0x14 - 0x1f */
388
389 /* undefined 0x20 */
390 /* The controller numbers 0x21 to 0x3f are reserved for the */
391 /* least significant bytes of the controllers 0x00 to 0x1f. */
392 /* These controllers are not recognised by the driver. */
393
394 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
395 /* 0=OFF and 127=ON (intermediate values are possible) */
396 #define CTL_DAMPER_PEDAL 0x40
397 #define CTL_SUSTAIN 0x40 /* Alias */
398 #define CTL_HOLD 0x40 /* Alias */
399 #define CTL_PORTAMENTO 0x41
400 #define CTL_SOSTENUTO 0x42
401 #define CTL_SOFT_PEDAL 0x43
402 /* undefined 0x44 */
403 #define CTL_HOLD2 0x45
404 /* undefined 0x46 - 0x4f */
405
406 #define CTL_GENERAL_PURPOSE5 0x50
407 #define CTL_GENERAL_PURPOSE6 0x51
408 #define CTL_GENERAL_PURPOSE7 0x52
409 #define CTL_GENERAL_PURPOSE8 0x53
410 /* undefined 0x54 - 0x5a */
411 #define CTL_EXT_EFF_DEPTH 0x5b
412 #define CTL_TREMOLO_DEPTH 0x5c
413 #define CTL_CHORUS_DEPTH 0x5d
414 #define CTL_DETUNE_DEPTH 0x5e
415 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
416 #define CTL_PHASER_DEPTH 0x5f
417 #define CTL_DATA_INCREMENT 0x60
418 #define CTL_DATA_DECREMENT 0x61
419 #define CTL_NONREG_PARM_NUM_LSB 0x62
420 #define CTL_NONREG_PARM_NUM_MSB 0x63
421 #define CTL_REGIST_PARM_NUM_LSB 0x64
422 #define CTL_REGIST_PARM_NUM_MSB 0x65
423 /* undefined 0x66 - 0x78 */
424 /* reserved 0x79 - 0x7f */
425
426 /* Pseudo controllers (not midi compatible) */
427 #define CTRL_PITCH_BENDER 255
428 #define CTRL_PITCH_BENDER_RANGE 254
429 #define CTRL_EXPRESSION 253 /* Obsolete */
430 #define CTRL_MAIN_VOLUME 252 /* Obsolete */
431 #define SEQ_BALANCE 11
432 #define SEQ_VOLMODE 12
433
434 /*
435 * Volume mode decides how volumes are used
436 */
437
438 #define VOL_METHOD_ADAGIO 1
439 #define VOL_METHOD_LINEAR 2
440
441 /*
442 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
443 * input events.
444 */
445
446 /*
447 * Event codes 0xf0 to 0xfc are reserved for future extensions.
448 */
449
450 #define SEQ_FULLSIZE 0xfd /* Long events */
451 /*
452 * SEQ_FULLSIZE events are used for loading patches/samples to the
453 * synthesizer devices. These events are passed directly to the driver
454 * of the associated synthesizer device. There is no limit to the size
455 * of the extended events. These events are not queued but executed
456 * immediately when the write() is called (execution can take several
457 * seconds of time).
458 *
459 * When a SEQ_FULLSIZE message is written to the device, it must
460 * be written using exactly one write() call. Other events cannot
461 * be mixed to the same write.
462 *
463 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
464 * /dev/sequencer. Don't write other data together with the instrument structure
465 * Set the key field of the structure to FM_PATCH. The device field is used to
466 * route the patch to the corresponding device.
467 *
468 * For Gravis UltraSound use struct patch_info. Initialize the key field
469 * to GUS_PATCH.
470 */
471 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
472 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
473
474 /*
475 * Record for FM patches
476 */
477
478 typedef unsigned char sbi_instr_data[32];
479
480 struct sbi_instrument {
481 unsigned short key; /* FM_PATCH or OPL3_PATCH */
482 #define FM_PATCH _PATCHKEY(0x01)
483 #define OPL3_PATCH _PATCHKEY(0x03)
484 short device; /* Synth# (0-4) */
485 int channel; /* Program# to be initialized */
486 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
487 };
488
489 struct synth_info { /* Read only */
490 char name[30];
491 int device; /* 0-N. INITIALIZE BEFORE CALLING */
492 int synth_type;
493 #define SYNTH_TYPE_FM 0
494 #define SYNTH_TYPE_SAMPLE 1
495 #define SYNTH_TYPE_MIDI 2 /* Midi interface */
496
497 int synth_subtype;
498 #define FM_TYPE_ADLIB 0x00
499 #define FM_TYPE_OPL3 0x01
500 #define MIDI_TYPE_MPU401 0x401
501
502 #define SAMPLE_TYPE_GUS 0x10
503
504 int perc_mode; /* No longer supported */
505 int nr_voices;
506 int nr_drums; /* Obsolete field */
507 int instr_bank_size;
508 unsigned int capabilities;
509 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
510 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
511 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
512 int dummies[19]; /* Reserve space */
513 };
514
515 struct sound_timer_info {
516 char name[32];
517 int caps;
518 };
519
520 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
521
522 struct midi_info {
523 char name[30];
524 int device; /* 0-N. INITIALIZE BEFORE CALLING */
525 unsigned int capabilities; /* To be defined later */
526 int dev_type;
527 int dummies[18]; /* Reserve space */
528 };
529
530 /********************************************
531 * ioctl commands for the /dev/midi##
532 */
533 typedef struct {
534 unsigned char cmd;
535 char nr_args, nr_returns;
536 unsigned char data[30];
537 } mpu_command_rec;
538
539 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int)
540 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int)
541 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec)
542
543 /********************************************
544 * IOCTL commands for /dev/dsp and /dev/audio
545 */
546
547 #define SNDCTL_DSP_RESET _IO ('P', 0)
548 #define SNDCTL_DSP_SYNC _IO ('P', 1)
549 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int)
550 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int)
551 #define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int)
552 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
553 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int)
554 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int)
555 #define SNDCTL_DSP_POST _IO ('P', 8)
556 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int)
557 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int)
558
559 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
560 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */
561 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/
562 # define AFMT_QUERY 0x00000000 /* Return current fmt */
563 # define AFMT_MU_LAW 0x00000001
564 # define AFMT_A_LAW 0x00000002
565 # define AFMT_IMA_ADPCM 0x00000004
566 # define AFMT_U8 0x00000008
567 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
568 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
569 # define AFMT_S8 0x00000040
570 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */
571 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */
572 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
573
574 /*
575 * Buffer status queries.
576 */
577 typedef struct audio_buf_info {
578 int fragments; /* # of available fragments (partially usend ones not counted) */
579 int fragstotal; /* Total # of fragments allocated */
580 int fragsize; /* Size of a fragment in bytes */
581
582 int bytes; /* Available space in bytes (includes partially used fragments) */
583 /* Note! 'bytes' could be more than fragments*fragsize */
584 } audio_buf_info;
585
586 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info)
587 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info)
588 #define SNDCTL_DSP_NONBLOCK _IO ('P',14)
589 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int)
590 # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
591 # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
592 # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
593 # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
594 /* internal buffers which may */
595 /* cause some delays and */
596 /* decrease precision of timing */
597 # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
598 /* Sometimes it's a DSP */
599 /* but usually not */
600 # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
601 # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
602
603 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int)
604 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int)
605 # define PCM_ENABLE_INPUT 0x00000001
606 # define PCM_ENABLE_OUTPUT 0x00000002
607
608 typedef struct count_info {
609 int bytes; /* Total # of bytes processed */
610 int blocks; /* # of fragment transitions since last time */
611 int ptr; /* Current DMA pointer value */
612 } count_info;
613
614 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info)
615 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info)
616
617 typedef struct buffmem_desc {
618 unsigned *buffer;
619 int size;
620 } buffmem_desc;
621 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc)
622 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc)
623 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21)
624 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22)
625
626 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int)
627 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int)
628 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int)
629 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int)
630
631 /* Some alias names */
632 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
633 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
634 #define SOUND_PCM_POST SNDCTL_DSP_POST
635 #define SOUND_PCM_RESET SNDCTL_DSP_RESET
636 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
637 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
638 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
639 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
640 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
641 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
642 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
643 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
644 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
645 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
646 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
647 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
648 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
649 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
650 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
651 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
652
653 /*
654 * ioctl calls to be used in communication with coprocessors and
655 * DSP chips.
656 */
657
658 typedef struct copr_buffer {
659 int command; /* Set to 0 if not used */
660 int flags;
661 #define CPF_NONE 0x0000
662 #define CPF_FIRST 0x0001 /* First block */
663 #define CPF_LAST 0x0002 /* Last block */
664 int len;
665 int offs; /* If required by the device (0 if not used) */
666
667 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
668 } copr_buffer;
669
670 typedef struct copr_debug_buf {
671 int command; /* Used internally. Set to 0 */
672 int parm1;
673 int parm2;
674 int flags;
675 int len; /* Length of data in bytes */
676 } copr_debug_buf;
677
678 typedef struct copr_msg {
679 int len;
680 unsigned char data[4000];
681 } copr_msg;
682
683 #define SNDCTL_COPR_RESET _IO ('C', 0)
684 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer)
685 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf)
686 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf)
687 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf)
688 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf)
689 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf)
690 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf)
691 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg)
692 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg)
693
694 /*********************************************
695 * IOCTL commands for /dev/mixer
696 */
697
698 /*
699 * Mixer devices
700 *
701 * There can be up to 20 different analog mixer channels. The
702 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
703 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
704 * the devices supported by the particular mixer.
705 */
706
707 #define SOUND_MIXER_NRDEVICES 17
708 #define SOUND_MIXER_VOLUME 0
709 #define SOUND_MIXER_BASS 1
710 #define SOUND_MIXER_TREBLE 2
711 #define SOUND_MIXER_SYNTH 3
712 #define SOUND_MIXER_PCM 4
713 #define SOUND_MIXER_SPEAKER 5
714 #define SOUND_MIXER_LINE 6
715 #define SOUND_MIXER_MIC 7
716 #define SOUND_MIXER_CD 8
717 #define SOUND_MIXER_IMIX 9 /* Recording monitor */
718 #define SOUND_MIXER_ALTPCM 10
719 #define SOUND_MIXER_RECLEV 11 /* Recording level */
720 #define SOUND_MIXER_IGAIN 12 /* Input gain */
721 #define SOUND_MIXER_OGAIN 13 /* Output gain */
722 /*
723 * The AD1848 codec and compatibles have three line level inputs
724 * (line, aux1 and aux2). Since each card manufacturer have assigned
725 * different meanings to these inputs, it's inpractical to assign
726 * specific meanings (line, cd, synth etc.) to them.
727 */
728 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
729 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
730 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
731
732 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
733 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
734 #define SOUND_ONOFF_MIN 28
735 #define SOUND_ONOFF_MAX 30
736
737 /* Note! Number 31 cannot be used since the sign bit is reserved */
738
739
740 /*
741 * The following unsupported macros will be removed from the API in near
742 * future.
743 */
744 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */
745 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */
746 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */
747
748
749
750 #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
751 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
752 "Line1", "Line2", "Line3"}
753
754 #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
755 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
756 "line1", "line2", "line3"}
757
758 /* Device bitmask identifiers */
759
760 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
761 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
762 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
763 #define SOUND_MIXER_CAPS 0xfc
764 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
765 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
766
767 /* Device mask bits */
768
769 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
770 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
771 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
772 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
773 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
774 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
775 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
776 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
777 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
778 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
779 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
780 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
781 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
782 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
783 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
784 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
785 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
786
787 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
788 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
789 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
790
791 #define MIXER_READ(dev) _IOR('M', dev, int)
792 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
793 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
794 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
795 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
796 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
797 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
798 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
799 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
800 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
801 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
802 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
803 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
804 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
805 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
806 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
807 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
808 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
809 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
810 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
811 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
812
813 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
814 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
815 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
816 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
817 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
818
819 #define MIXER_WRITE(dev) _IOWR('M', dev, int)
820 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
821 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
822 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
823 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
824 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
825 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
826 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
827 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
828 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
829 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
830 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
831 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
832 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
833 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
834 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
835 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
836 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
837 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
838 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
839 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
840
841 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
842
843 /*
844 * Level 2 event types for /dev/sequencer
845 */
846
847 /*
848 * The 4 most significant bits of byte 0 specify the class of
849 * the event:
850 *
851 * 0x8X = system level events,
852 * 0x9X = device/port specific events, event[1] = device/port,
853 * The last 4 bits give the subtype:
854 * 0x02 = Channel event (event[3] = chn).
855 * 0x01 = note event (event[4] = note).
856 * (0x01 is not used alone but always with bit 0x02).
857 * event[2] = MIDI message code (0x80=note off etc.)
858 *
859 */
860
861 #define EV_SEQ_LOCAL 0x80
862 #define EV_TIMING 0x81
863 #define EV_CHN_COMMON 0x92
864 #define EV_CHN_VOICE 0x93
865 #define EV_SYSEX 0x94
866 /*
867 * Event types 200 to 220 are reserved for application use.
868 * These numbers will not be used by the driver.
869 */
870
871 /*
872 * Events for event type EV_CHN_VOICE
873 */
874
875 #define MIDI_NOTEOFF 0x80
876 #define MIDI_NOTEON 0x90
877 #define MIDI_KEY_PRESSURE 0xA0
878
879 /*
880 * Events for event type EV_CHN_COMMON
881 */
882
883 #define MIDI_CTL_CHANGE 0xB0
884 #define MIDI_PGM_CHANGE 0xC0
885 #define MIDI_CHN_PRESSURE 0xD0
886 #define MIDI_PITCH_BEND 0xE0
887
888 #define MIDI_SYSTEM_PREFIX 0xF0
889
890 /*
891 * Timer event types
892 */
893 #define TMR_WAIT_REL 1 /* Time relative to the prev time */
894 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
895 #define TMR_STOP 3
896 #define TMR_START 4
897 #define TMR_CONTINUE 5
898 #define TMR_TEMPO 6
899 #define TMR_ECHO 8
900 #define TMR_CLOCK 9 /* MIDI clock */
901 #define TMR_SPP 10 /* Song position pointer */
902 #define TMR_TIMESIG 11 /* Time signature */
903
904 /*
905 * Local event types
906 */
907 #define LOCL_STARTAUDIO 1
908
909 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
910 /*
911 * Some convenience macros to simplify programming of the
912 * /dev/sequencer interface
913 *
914 * These macros define the API which should be used when possible.
915 */
916
917 #ifndef USE_SIMPLE_MACROS
918 void seqbuf_dump(void); /* This function must be provided by programs */
919
920 /* Sample seqbuf_dump() implementation:
921 *
922 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
923 *
924 * int seqfd; -- The file descriptor for /dev/sequencer.
925 *
926 * void
927 * seqbuf_dump ()
928 * {
929 * if (_seqbufptr)
930 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
931 * {
932 * perror ("write /dev/sequencer");
933 * exit (-1);
934 * }
935 * _seqbufptr = 0;
936 * }
937 */
938
939 #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
940 #define SEQ_USE_EXTBUF() extern unsigned char _seqbuf[]; extern int _seqbuflen;extern int _seqbufptr
941 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
942 #define SEQ_PM_DEFINES struct patmgr_info _pm_info
943 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
944 #define _SEQ_ADVBUF(len) _seqbufptr += len
945 #define SEQ_DUMPBUF seqbuf_dump
946 #else
947 /*
948 * This variation of the sequencer macros is used just to format one event
949 * using fixed buffer.
950 *
951 * The program using the macro library must define the following macros before
952 * using this library.
953 *
954 * #define _seqbuf name of the buffer (unsigned char[])
955 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
956 * size of the event, this macro can be used.
957 * Otherwise this must be defined as empty.
958 * #define _seqbufptr Define the name of index variable or 0 if
959 * not required.
960 */
961 #define _SEQ_NEEDBUF(len) /* empty */
962 #endif
963
964 #define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
965 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \
966 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \
967 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
968 #define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \
969 _pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \
970 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \
971 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info))
972
973 #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
974 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
975 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
976 _seqbuf[_seqbufptr+2] = (dev);\
977 _seqbuf[_seqbufptr+3] = (mode);\
978 _seqbuf[_seqbufptr+4] = 0;\
979 _seqbuf[_seqbufptr+5] = 0;\
980 _seqbuf[_seqbufptr+6] = 0;\
981 _seqbuf[_seqbufptr+7] = 0;\
982 _SEQ_ADVBUF(8);}
983
984 /*
985 * Midi voice messages
986 */
987
988 #define _CHN_VOICE(dev, event, chn, note, parm) \
989 {_SEQ_NEEDBUF(8);\
990 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
991 _seqbuf[_seqbufptr+1] = (dev);\
992 _seqbuf[_seqbufptr+2] = (event);\
993 _seqbuf[_seqbufptr+3] = (chn);\
994 _seqbuf[_seqbufptr+4] = (note);\
995 _seqbuf[_seqbufptr+5] = (parm);\
996 _seqbuf[_seqbufptr+6] = (0);\
997 _seqbuf[_seqbufptr+7] = 0;\
998 _SEQ_ADVBUF(8);}
999
1000 #define SEQ_START_NOTE(dev, chn, note, vol) \
1001 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1002
1003 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1004 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1005
1006 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1007 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1008
1009 /*
1010 * Midi channel messages
1011 */
1012
1013 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1014 {_SEQ_NEEDBUF(8);\
1015 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1016 _seqbuf[_seqbufptr+1] = (dev);\
1017 _seqbuf[_seqbufptr+2] = (event);\
1018 _seqbuf[_seqbufptr+3] = (chn);\
1019 _seqbuf[_seqbufptr+4] = (p1);\
1020 _seqbuf[_seqbufptr+5] = (p2);\
1021 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1022 _SEQ_ADVBUF(8);}
1023 /*
1024 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1025 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1026 * so _will_ cause problems with MPU401 intelligent mode).
1027 *
1028 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1029 * sent by calling SEQ_SYSEX() several times (there must be no other events
1030 * between them). First sysex fragment must have 0xf0 in the first byte
1031 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1032 * between these sysex start and end markers cannot be larger than 0x7f. Also
1033 * lengths of each fragments (except the last one) must be 6.
1034 *
1035 * Breaking the above rules may work with some MIDI ports but is likely to
1036 * cause fatal problems with some other devices (such as MPU401).
1037 */
1038 #define SEQ_SYSEX(dev, buf, len) \
1039 {int i, l=(len); if (l>6)l=6;\
1040 _SEQ_NEEDBUF(8);\
1041 _seqbuf[_seqbufptr] = EV_SYSEX;\
1042 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\
1043 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\
1044 _SEQ_ADVBUF(8);}
1045
1046 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1047 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1048
1049 #define SEQ_SET_PATCH(dev, chn, patch) \
1050 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1051
1052 #define SEQ_CONTROL(dev, chn, controller, value) \
1053 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1054
1055 #define SEQ_BENDER(dev, chn, value) \
1056 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1057
1058
1059 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1060 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1061 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1062 _seqbuf[_seqbufptr+2] = (dev);\
1063 _seqbuf[_seqbufptr+3] = (voice);\
1064 _seqbuf[_seqbufptr+4] = (controller);\
1065 _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1066 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1067 _seqbuf[_seqbufptr+7] = 0;\
1068 _SEQ_ADVBUF(8);}
1069 /*
1070 * The following 5 macros are incorrectly implemented and obsolete.
1071 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1072 */
1073 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1074 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1075 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1076 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1077 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1078
1079 /*
1080 * Timing and syncronization macros
1081 */
1082
1083 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1084 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1085 _seqbuf[_seqbufptr+1] = (ev); \
1086 _seqbuf[_seqbufptr+2] = 0;\
1087 _seqbuf[_seqbufptr+3] = 0;\
1088 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1089 _SEQ_ADVBUF(8);}
1090
1091 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1092 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1093 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1094 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1095 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1096 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1097 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1098 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1099 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1100
1101 /*
1102 * Local control events
1103 */
1104
1105 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1106 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1107 _seqbuf[_seqbufptr+1] = (ev); \
1108 _seqbuf[_seqbufptr+2] = 0;\
1109 _seqbuf[_seqbufptr+3] = 0;\
1110 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1111 _SEQ_ADVBUF(8);}
1112
1113 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1114 /*
1115 * Events for the level 1 interface only
1116 */
1117
1118 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1119 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1120 _seqbuf[_seqbufptr+1] = (byte);\
1121 _seqbuf[_seqbufptr+2] = (device);\
1122 _seqbuf[_seqbufptr+3] = 0;\
1123 _SEQ_ADVBUF(4);}
1124
1125 /*
1126 * Patch loading.
1127 */
1128 #define SEQ_WRPATCH(patchx, len) {if (_seqbufptr) seqbuf_dump();\
1129 if (write(seqfd, (char*)(patchx), len)==-1) \
1130 perror("Write patch: /dev/sequencer");}
1131 #define SEQ_WRPATCH2(patchx, len) (seqbuf_dump(), write(seqfd, (char*)(patchx), len))
1132
1133 #endif
1134 #endif
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*/