master
1/*
2 * Copyright by Hannu Savolainen 1993-1997
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: 1. Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer. 2.
8 * Redistributions in binary form must reproduce the above copyright notice,
9 * this list of conditions and the following disclaimer in the documentation
10 * and/or other materials provided with the distribution.
11 *
12 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
13 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
14 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
15 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
16 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
18 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
19 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
22 * SUCH DAMAGE.
23 */
24#ifndef SOUNDCARD_H
25#define SOUNDCARD_H
26
27
28/*
29 * OSS interface version. With versions earlier than 3.6 this value is
30 * an integer with value less than 361. In versions 3.6 and later
31 * it's a six digit hexadecimal value. For example value
32 * of 0x030600 represents OSS version 3.6.0.
33 * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of
34 * the currently active driver.
35 */
36#define SOUND_VERSION 0x030802
37#define OPEN_SOUND_SYSTEM
38
39/* In Linux we need to be prepared for cross compiling */
40#include <linux/ioctl.h>
41
42/* Endian macros. */
43# include <endian.h>
44
45/*
46 * Supported card ID numbers (Should be somewhere else?)
47 */
48
49#define SNDCARD_ADLIB 1
50#define SNDCARD_SB 2
51#define SNDCARD_PAS 3
52#define SNDCARD_GUS 4
53#define SNDCARD_MPU401 5
54#define SNDCARD_SB16 6
55#define SNDCARD_SB16MIDI 7
56#define SNDCARD_UART6850 8
57#define SNDCARD_GUS16 9
58#define SNDCARD_MSS 10
59#define SNDCARD_PSS 11
60#define SNDCARD_SSCAPE 12
61#define SNDCARD_PSS_MPU 13
62#define SNDCARD_PSS_MSS 14
63#define SNDCARD_SSCAPE_MSS 15
64#define SNDCARD_TRXPRO 16
65#define SNDCARD_TRXPRO_SB 17
66#define SNDCARD_TRXPRO_MPU 18
67#define SNDCARD_MAD16 19
68#define SNDCARD_MAD16_MPU 20
69#define SNDCARD_CS4232 21
70#define SNDCARD_CS4232_MPU 22
71#define SNDCARD_MAUI 23
72#define SNDCARD_PSEUDO_MSS 24
73#define SNDCARD_GUSPNP 25
74#define SNDCARD_UART401 26
75/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
76
77/***********************************
78 * IOCTL Commands for /dev/sequencer
79 */
80
81#ifndef _SIOWR
82#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
83/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
84#define SIOCPARM_MASK IOCPARM_MASK
85#define SIOC_VOID IOC_VOID
86#define SIOC_OUT IOC_OUT
87#define SIOC_IN IOC_IN
88#define SIOC_INOUT IOC_INOUT
89#define _SIOC_SIZE _IOC_SIZE
90#define _SIOC_DIR _IOC_DIR
91#define _SIOC_NONE _IOC_NONE
92#define _SIOC_READ _IOC_READ
93#define _SIOC_WRITE _IOC_WRITE
94#define _SIO _IO
95#define _SIOR _IOR
96#define _SIOW _IOW
97#define _SIOWR _IOWR
98#else
99
100/* Ioctl's have the command encoded in the lower word,
101 * and the size of any in or out parameters in the upper
102 * word. The high 2 bits of the upper word are used
103 * to encode the in/out status of the parameter; for now
104 * we restrict parameters to at most 8191 bytes.
105 */
106/* #define SIOCTYPE (0xff<<8) */
107#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
108#define SIOC_VOID 0x00000000 /* no parameters */
109#define SIOC_OUT 0x20000000 /* copy out parameters */
110#define SIOC_IN 0x40000000 /* copy in parameters */
111#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
112/* the 0x20000000 is so we can distinguish new ioctl's from old */
113#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
114#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
115#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
116/* this should be _SIORW, but stdio got there first */
117#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
118#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
119#define _SIOC_DIR(x) (x & 0xf0000000)
120#define _SIOC_NONE SIOC_VOID
121#define _SIOC_READ SIOC_OUT
122#define _SIOC_WRITE SIOC_IN
123# endif /* _IOWR */
124#endif /* !_SIOWR */
125
126#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
127#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
128#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
129#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
130#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
131#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
132#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
133#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
134#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
135#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
136#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
137#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
138#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
139#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
140#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
141#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
142#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
143#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
144#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
145#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
146#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
147#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
148
149typedef struct synth_control
150{
151 int devno; /* Synthesizer # */
152 char data[4000]; /* Device spesific command/data record */
153}synth_control;
154
155typedef struct remove_sample
156{
157 int devno; /* Synthesizer # */
158 int bankno; /* MIDI bank # (0=General MIDI) */
159 int instrno; /* MIDI instrument number */
160} remove_sample;
161
162typedef struct seq_event_rec {
163 unsigned char arr[8];
164} seq_event_rec;
165
166#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
167#define SNDCTL_TMR_START _SIO ('T', 2)
168#define SNDCTL_TMR_STOP _SIO ('T', 3)
169#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
170#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
171#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int)
172# define TMR_INTERNAL 0x00000001
173# define TMR_EXTERNAL 0x00000002
174# define TMR_MODE_MIDI 0x00000010
175# define TMR_MODE_FSK 0x00000020
176# define TMR_MODE_CLS 0x00000040
177# define TMR_MODE_SMPTE 0x00000080
178#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int)
179#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
180
181/*
182 * Some big endian/little endian handling macros
183 */
184
185#define _LINUX_PATCHKEY_H_INDIRECT
186#include <linux/patchkey.h>
187#undef _LINUX_PATCHKEY_H_INDIRECT
188
189# if defined(__BYTE_ORDER)
190# if __BYTE_ORDER == __BIG_ENDIAN
191# define AFMT_S16_NE AFMT_S16_BE
192# elif __BYTE_ORDER == __LITTLE_ENDIAN
193# define AFMT_S16_NE AFMT_S16_LE
194# else
195# error "could not determine byte order"
196# endif
197# endif
198
199/*
200 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
201 * The following patch_info structure has been designed to support
202 * Gravis UltraSound. It tries to be universal format for uploading
203 * sample based patches but is probably too limited.
204 *
205 * (PBD) As Hannu guessed, the GUS structure is too limited for
206 * the WaveFront, but this is the right place for a constant definition.
207 */
208
209struct patch_info {
210 unsigned short key; /* Use WAVE_PATCH here */
211#define WAVE_PATCH _PATCHKEY(0x04)
212#define GUS_PATCH WAVE_PATCH
213#define WAVEFRONT_PATCH _PATCHKEY(0x06)
214
215 short device_no; /* Synthesizer number */
216 short instr_no; /* Midi pgm# */
217
218 unsigned int mode;
219/*
220 * The least significant byte has the same format than the GUS .PAT
221 * files
222 */
223#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
224#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
225#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
226#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
227#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
228#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
229#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
230#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
231 /* (use the env_rate/env_offs fields). */
232/* Linux specific bits */
233#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
234#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
235#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
236#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
237/* Reserved bits */
238#define WAVE_ROM 0x40000000 /* For future use */
239#define WAVE_MULAW 0x20000000 /* For future use */
240/* Other bits must be zeroed */
241
242 int len; /* Size of the wave data in bytes */
243 int loop_start, loop_end; /* Byte offsets from the beginning */
244
245/*
246 * The base_freq and base_note fields are used when computing the
247 * playback speed for a note. The base_note defines the tone frequency
248 * which is heard if the sample is played using the base_freq as the
249 * playback speed.
250 *
251 * The low_note and high_note fields define the minimum and maximum note
252 * frequencies for which this sample is valid. It is possible to define
253 * more than one samples for an instrument number at the same time. The
254 * low_note and high_note fields are used to select the most suitable one.
255 *
256 * The fields base_note, high_note and low_note should contain
257 * the note frequency multiplied by 1000. For example value for the
258 * middle A is 440*1000.
259 */
260
261 unsigned int base_freq;
262 unsigned int base_note;
263 unsigned int high_note;
264 unsigned int low_note;
265 int panning; /* -128=left, 127=right */
266 int detuning;
267
268/* New fields introduced in version 1.99.5 */
269
270 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
271 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
272 unsigned char env_offset[ 6 ]; /* 255 == 100% */
273
274 /*
275 * The tremolo, vibrato and scale info are not supported yet.
276 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
277 * WAVE_SCALE
278 */
279
280 unsigned char tremolo_sweep;
281 unsigned char tremolo_rate;
282 unsigned char tremolo_depth;
283
284 unsigned char vibrato_sweep;
285 unsigned char vibrato_rate;
286 unsigned char vibrato_depth;
287
288 int scale_frequency;
289 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
290
291 int volume;
292 int fractions;
293 int reserved1;
294 int spare[2];
295 char data[1]; /* The waveform data starts here */
296 };
297
298struct sysex_info {
299 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
300#define SYSEX_PATCH _PATCHKEY(0x05)
301#define MAUI_PATCH _PATCHKEY(0x06)
302 short device_no; /* Synthesizer number */
303 int len; /* Size of the sysex data in bytes */
304 unsigned char data[1]; /* Sysex data starts here */
305 };
306
307/*
308 * /dev/sequencer input events.
309 *
310 * The data written to the /dev/sequencer is a stream of events. Events
311 * are records of 4 or 8 bytes. The first byte defines the size.
312 * Any number of events can be written with a write call. There
313 * is a set of macros for sending these events. Use these macros if you
314 * want to maximize portability of your program.
315 *
316 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
317 * (All input events are currently 4 bytes long. Be prepared to support
318 * 8 byte events also. If you receive any event having first byte >= 128,
319 * it's a 8 byte event.
320 *
321 * The events are documented at the end of this file.
322 *
323 * Normal events (4 bytes)
324 * There is also a 8 byte version of most of the 4 byte events. The
325 * 8 byte one is recommended.
326 */
327#define SEQ_NOTEOFF 0
328#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
329#define SEQ_NOTEON 1
330#define SEQ_FMNOTEON SEQ_NOTEON
331#define SEQ_WAIT TMR_WAIT_ABS
332#define SEQ_PGMCHANGE 3
333#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
334#define SEQ_SYNCTIMER TMR_START
335#define SEQ_MIDIPUTC 5
336#define SEQ_DRUMON 6 /*** OBSOLETE ***/
337#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
338#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
339#define SEQ_AFTERTOUCH 9
340#define SEQ_CONTROLLER 10
341
342/*******************************************
343 * Midi controller numbers
344 *******************************************
345 * Controllers 0 to 31 (0x00 to 0x1f) and
346 * 32 to 63 (0x20 to 0x3f) are continuous
347 * controllers.
348 * In the MIDI 1.0 these controllers are sent using
349 * two messages. Controller numbers 0 to 31 are used
350 * to send the MSB and the controller numbers 32 to 63
351 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
352 */
353
354#define CTL_BANK_SELECT 0x00
355#define CTL_MODWHEEL 0x01
356#define CTL_BREATH 0x02
357/* undefined 0x03 */
358#define CTL_FOOT 0x04
359#define CTL_PORTAMENTO_TIME 0x05
360#define CTL_DATA_ENTRY 0x06
361#define CTL_MAIN_VOLUME 0x07
362#define CTL_BALANCE 0x08
363/* undefined 0x09 */
364#define CTL_PAN 0x0a
365#define CTL_EXPRESSION 0x0b
366/* undefined 0x0c */
367/* undefined 0x0d */
368/* undefined 0x0e */
369/* undefined 0x0f */
370#define CTL_GENERAL_PURPOSE1 0x10
371#define CTL_GENERAL_PURPOSE2 0x11
372#define CTL_GENERAL_PURPOSE3 0x12
373#define CTL_GENERAL_PURPOSE4 0x13
374/* undefined 0x14 - 0x1f */
375
376/* undefined 0x20 */
377/* The controller numbers 0x21 to 0x3f are reserved for the */
378/* least significant bytes of the controllers 0x00 to 0x1f. */
379/* These controllers are not recognised by the driver. */
380
381/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
382/* 0=OFF and 127=ON (intermediate values are possible) */
383#define CTL_DAMPER_PEDAL 0x40
384#define CTL_SUSTAIN 0x40 /* Alias */
385#define CTL_HOLD 0x40 /* Alias */
386#define CTL_PORTAMENTO 0x41
387#define CTL_SOSTENUTO 0x42
388#define CTL_SOFT_PEDAL 0x43
389/* undefined 0x44 */
390#define CTL_HOLD2 0x45
391/* undefined 0x46 - 0x4f */
392
393#define CTL_GENERAL_PURPOSE5 0x50
394#define CTL_GENERAL_PURPOSE6 0x51
395#define CTL_GENERAL_PURPOSE7 0x52
396#define CTL_GENERAL_PURPOSE8 0x53
397/* undefined 0x54 - 0x5a */
398#define CTL_EXT_EFF_DEPTH 0x5b
399#define CTL_TREMOLO_DEPTH 0x5c
400#define CTL_CHORUS_DEPTH 0x5d
401#define CTL_DETUNE_DEPTH 0x5e
402#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
403#define CTL_PHASER_DEPTH 0x5f
404#define CTL_DATA_INCREMENT 0x60
405#define CTL_DATA_DECREMENT 0x61
406#define CTL_NONREG_PARM_NUM_LSB 0x62
407#define CTL_NONREG_PARM_NUM_MSB 0x63
408#define CTL_REGIST_PARM_NUM_LSB 0x64
409#define CTL_REGIST_PARM_NUM_MSB 0x65
410/* undefined 0x66 - 0x78 */
411/* reserved 0x79 - 0x7f */
412
413/* Pseudo controllers (not midi compatible) */
414#define CTRL_PITCH_BENDER 255
415#define CTRL_PITCH_BENDER_RANGE 254
416#define CTRL_EXPRESSION 253 /* Obsolete */
417#define CTRL_MAIN_VOLUME 252 /* Obsolete */
418#define SEQ_BALANCE 11
419#define SEQ_VOLMODE 12
420
421/*
422 * Volume mode decides how volumes are used
423 */
424
425#define VOL_METHOD_ADAGIO 1
426#define VOL_METHOD_LINEAR 2
427
428/*
429 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
430 * input events.
431 */
432
433/*
434 * Event codes 0xf0 to 0xfc are reserved for future extensions.
435 */
436
437#define SEQ_FULLSIZE 0xfd /* Long events */
438/*
439 * SEQ_FULLSIZE events are used for loading patches/samples to the
440 * synthesizer devices. These events are passed directly to the driver
441 * of the associated synthesizer device. There is no limit to the size
442 * of the extended events. These events are not queued but executed
443 * immediately when the write() is called (execution can take several
444 * seconds of time).
445 *
446 * When a SEQ_FULLSIZE message is written to the device, it must
447 * be written using exactly one write() call. Other events cannot
448 * be mixed to the same write.
449 *
450 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
451 * /dev/sequencer. Don't write other data together with the instrument structure
452 * Set the key field of the structure to FM_PATCH. The device field is used to
453 * route the patch to the corresponding device.
454 *
455 * For wave table use struct patch_info. Initialize the key field
456 * to WAVE_PATCH.
457 */
458#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
459#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
460
461/*
462 * Record for FM patches
463 */
464
465typedef unsigned char sbi_instr_data[32];
466
467struct sbi_instrument {
468 unsigned short key; /* FM_PATCH or OPL3_PATCH */
469#define FM_PATCH _PATCHKEY(0x01)
470#define OPL3_PATCH _PATCHKEY(0x03)
471 short device; /* Synth# (0-4) */
472 int channel; /* Program# to be initialized */
473 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
474 };
475
476struct synth_info { /* Read only */
477 char name[30];
478 int device; /* 0-N. INITIALIZE BEFORE CALLING */
479 int synth_type;
480#define SYNTH_TYPE_FM 0
481#define SYNTH_TYPE_SAMPLE 1
482#define SYNTH_TYPE_MIDI 2 /* Midi interface */
483
484 int synth_subtype;
485#define FM_TYPE_ADLIB 0x00
486#define FM_TYPE_OPL3 0x01
487#define MIDI_TYPE_MPU401 0x401
488
489#define SAMPLE_TYPE_BASIC 0x10
490#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
491#define SAMPLE_TYPE_WAVEFRONT 0x11
492
493 int perc_mode; /* No longer supported */
494 int nr_voices;
495 int nr_drums; /* Obsolete field */
496 int instr_bank_size;
497 unsigned int capabilities;
498#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
499#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
500#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
501 int dummies[19]; /* Reserve space */
502 };
503
504struct sound_timer_info {
505 char name[32];
506 int caps;
507 };
508
509#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
510
511struct midi_info {
512 char name[30];
513 int device; /* 0-N. INITIALIZE BEFORE CALLING */
514 unsigned int capabilities; /* To be defined later */
515 int dev_type;
516 int dummies[18]; /* Reserve space */
517 };
518
519/********************************************
520 * ioctl commands for the /dev/midi##
521 */
522typedef struct {
523 unsigned char cmd;
524 char nr_args, nr_returns;
525 unsigned char data[30];
526 } mpu_command_rec;
527
528#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
529#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
530#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
531
532/********************************************
533 * IOCTL commands for /dev/dsp and /dev/audio
534 */
535
536#define SNDCTL_DSP_RESET _SIO ('P', 0)
537#define SNDCTL_DSP_SYNC _SIO ('P', 1)
538#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
539#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
540#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
541#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
542#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
543#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
544#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
545#define SNDCTL_DSP_POST _SIO ('P', 8)
546#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
547#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
548
549/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
550#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
551#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/
552# define AFMT_QUERY 0x00000000 /* Return current fmt */
553# define AFMT_MU_LAW 0x00000001
554# define AFMT_A_LAW 0x00000002
555# define AFMT_IMA_ADPCM 0x00000004
556# define AFMT_U8 0x00000008
557# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
558# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
559# define AFMT_S8 0x00000040
560# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
561# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
562# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
563# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
564
565/*
566 * Buffer status queries.
567 */
568typedef struct audio_buf_info {
569 int fragments; /* # of available fragments (partially usend ones not counted) */
570 int fragstotal; /* Total # of fragments allocated */
571 int fragsize; /* Size of a fragment in bytes */
572
573 int bytes; /* Available space in bytes (includes partially used fragments) */
574 /* Note! 'bytes' could be more than fragments*fragsize */
575 } audio_buf_info;
576
577#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info)
578#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
579#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
580#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
581# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
582# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
583# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
584# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
585 /* internal buffers which may */
586 /* cause some delays and */
587 /* decrease precision of timing */
588# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
589 /* Sometimes it's a DSP */
590 /* but usually not */
591# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
592# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
593# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
594# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
595
596
597#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
598#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int)
599# define PCM_ENABLE_INPUT 0x00000001
600# define PCM_ENABLE_OUTPUT 0x00000002
601
602typedef struct count_info {
603 int bytes; /* Total # of bytes processed */
604 int blocks; /* # of fragment transitions since last time */
605 int ptr; /* Current DMA pointer value */
606 } count_info;
607
608#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
609#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
610
611typedef struct buffmem_desc {
612 unsigned *buffer;
613 int size;
614 } buffmem_desc;
615#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
616#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
617#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
618#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
619#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
620
621#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
622#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
623# define DSP_BIND_QUERY 0x00000000
624# define DSP_BIND_FRONT 0x00000001
625# define DSP_BIND_SURR 0x00000002
626# define DSP_BIND_CENTER_LFE 0x00000004
627# define DSP_BIND_HANDSET 0x00000008
628# define DSP_BIND_MIC 0x00000010
629# define DSP_BIND_MODEM1 0x00000020
630# define DSP_BIND_MODEM2 0x00000040
631# define DSP_BIND_I2S 0x00000080
632# define DSP_BIND_SPDIF 0x00000100
633
634#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
635#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
636# define SPDIF_PRO 0x0001
637# define SPDIF_N_AUD 0x0002
638# define SPDIF_COPY 0x0004
639# define SPDIF_PRE 0x0008
640# define SPDIF_CC 0x07f0
641# define SPDIF_L 0x0800
642# define SPDIF_DRS 0x4000
643# define SPDIF_V 0x8000
644
645/*
646 * Application's profile defines the way how playback underrun situations should be handled.
647 *
648 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
649 * playback buffer whenever an underrun occurs. This consumes some time
650 * prevents looping the existing buffer.
651 * APF_CPUINTENS is intended to be set by CPU intensive applications which
652 * are likely to run out of time occasionally. In this mode the buffer cleanup is
653 * disabled which saves CPU time but also let's the previous buffer content to
654 * be played during the "pause" after the underrun.
655 */
656#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
657#define APF_NORMAL 0 /* Normal applications */
658#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
659#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
660
661#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
662#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
663#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
664#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
665
666/* Some alias names */
667#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
668#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
669#define SOUND_PCM_POST SNDCTL_DSP_POST
670#define SOUND_PCM_RESET SNDCTL_DSP_RESET
671#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
672#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
673#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
674#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
675#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
676#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
677#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
678#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
679#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
680#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
681#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
682#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
683#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
684#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
685#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
686#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
687
688/*
689 * ioctl calls to be used in communication with coprocessors and
690 * DSP chips.
691 */
692
693typedef struct copr_buffer {
694 int command; /* Set to 0 if not used */
695 int flags;
696#define CPF_NONE 0x0000
697#define CPF_FIRST 0x0001 /* First block */
698#define CPF_LAST 0x0002 /* Last block */
699 int len;
700 int offs; /* If required by the device (0 if not used) */
701
702 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
703 } copr_buffer;
704
705typedef struct copr_debug_buf {
706 int command; /* Used internally. Set to 0 */
707 int parm1;
708 int parm2;
709 int flags;
710 int len; /* Length of data in bytes */
711 } copr_debug_buf;
712
713typedef struct copr_msg {
714 int len;
715 unsigned char data[4000];
716 } copr_msg;
717
718#define SNDCTL_COPR_RESET _SIO ('C', 0)
719#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
720#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
721#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
722#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
723#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
724#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
725#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
726#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
727#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
728
729/*********************************************
730 * IOCTL commands for /dev/mixer
731 */
732
733/*
734 * Mixer devices
735 *
736 * There can be up to 20 different analog mixer channels. The
737 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
738 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
739 * the devices supported by the particular mixer.
740 */
741
742#define SOUND_MIXER_NRDEVICES 25
743#define SOUND_MIXER_VOLUME 0
744#define SOUND_MIXER_BASS 1
745#define SOUND_MIXER_TREBLE 2
746#define SOUND_MIXER_SYNTH 3
747#define SOUND_MIXER_PCM 4
748#define SOUND_MIXER_SPEAKER 5
749#define SOUND_MIXER_LINE 6
750#define SOUND_MIXER_MIC 7
751#define SOUND_MIXER_CD 8
752#define SOUND_MIXER_IMIX 9 /* Recording monitor */
753#define SOUND_MIXER_ALTPCM 10
754#define SOUND_MIXER_RECLEV 11 /* Recording level */
755#define SOUND_MIXER_IGAIN 12 /* Input gain */
756#define SOUND_MIXER_OGAIN 13 /* Output gain */
757/*
758 * The AD1848 codec and compatibles have three line level inputs
759 * (line, aux1 and aux2). Since each card manufacturer have assigned
760 * different meanings to these inputs, it's inpractical to assign
761 * specific meanings (line, cd, synth etc.) to them.
762 */
763#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
764#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
765#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
766#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
767#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
768#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
769#define SOUND_MIXER_PHONEIN 20 /* Phone input */
770#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
771#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
772#define SOUND_MIXER_RADIO 23 /* Radio in */
773#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
774
775/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
776/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
777#define SOUND_ONOFF_MIN 28
778#define SOUND_ONOFF_MAX 30
779
780/* Note! Number 31 cannot be used since the sign bit is reserved */
781#define SOUND_MIXER_NONE 31
782
783/*
784 * The following unsupported macros are no longer functional.
785 * Use SOUND_MIXER_PRIVATE# macros in future.
786 */
787#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
788#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
789#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
790
791
792#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
793 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
794 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
795 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
796
797#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
798 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
799 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
800 "phin", "phout", "video", "radio", "monitor"}
801
802/* Device bitmask identifiers */
803
804#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
805#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
806#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
807#define SOUND_MIXER_CAPS 0xfc
808# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
809#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
810#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
811#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
812
813/* Device mask bits */
814
815#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
816#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
817#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
818#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
819#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
820#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
821#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
822#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
823#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
824#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
825#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
826#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
827#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
828#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
829#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
830#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
831#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
832#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
833#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
834#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
835#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
836#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
837#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
838#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
839#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
840
841/* Obsolete macros */
842#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
843#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
844#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
845
846#define MIXER_READ(dev) _SIOR('M', dev, int)
847#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
848#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
849#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
850#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
851#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
852#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
853#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
854#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
855#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
856#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
857#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
858#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
859#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
860#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
861#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
862#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
863#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
864
865/* Obsolete macros */
866#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
867#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
868#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
869
870#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
871#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
872#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
873#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
874#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
875
876#define MIXER_WRITE(dev) _SIOWR('M', dev, int)
877#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
878#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
879#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
880#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
881#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
882#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
883#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
884#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
885#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
886#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
887#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
888#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
889#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
890#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
891#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
892#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
893#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
894
895/* Obsolete macros */
896#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
897#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
898#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
899
900#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
901
902typedef struct mixer_info
903{
904 char id[16];
905 char name[32];
906 int modify_counter;
907 int fillers[10];
908} mixer_info;
909
910typedef struct _old_mixer_info /* Obsolete */
911{
912 char id[16];
913 char name[32];
914} _old_mixer_info;
915
916#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
917#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
918
919/*
920 * A mechanism for accessing "proprietary" mixer features. This method
921 * permits passing 128 bytes of arbitrary data between a mixer application
922 * and the mixer driver. Interpretation of the record is defined by
923 * the particular mixer driver.
924 */
925typedef unsigned char mixer_record[128];
926
927#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
928
929/*
930 * Two ioctls for special souncard function
931 */
932#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
933#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
934
935/*
936 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
937 * These features can be used when accessing device specific features.
938 */
939#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
940#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
941#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
942#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
943#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
944
945/*
946 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
947 * for querying current mixer settings from the driver and for loading
948 * default volume settings _prior_ activating the mixer (loading
949 * doesn't affect current state of the mixer hardware). These calls
950 * are for internal use only.
951 */
952
953typedef struct mixer_vol_table {
954 int num; /* Index to volume table */
955 char name[32];
956 int levels[32];
957} mixer_vol_table;
958
959#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
960#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
961
962/*
963 * An ioctl for identifying the driver version. It will return value
964 * of the SOUND_VERSION macro used when compiling the driver.
965 * This call was introduced in OSS version 3.6 and it will not work
966 * with earlier versions (returns EINVAL).
967 */
968#define OSS_GETVERSION _SIOR ('M', 118, int)
969
970/*
971 * Level 2 event types for /dev/sequencer
972 */
973
974/*
975 * The 4 most significant bits of byte 0 specify the class of
976 * the event:
977 *
978 * 0x8X = system level events,
979 * 0x9X = device/port specific events, event[1] = device/port,
980 * The last 4 bits give the subtype:
981 * 0x02 = Channel event (event[3] = chn).
982 * 0x01 = note event (event[4] = note).
983 * (0x01 is not used alone but always with bit 0x02).
984 * event[2] = MIDI message code (0x80=note off etc.)
985 *
986 */
987
988#define EV_SEQ_LOCAL 0x80
989#define EV_TIMING 0x81
990#define EV_CHN_COMMON 0x92
991#define EV_CHN_VOICE 0x93
992#define EV_SYSEX 0x94
993/*
994 * Event types 200 to 220 are reserved for application use.
995 * These numbers will not be used by the driver.
996 */
997
998/*
999 * Events for event type EV_CHN_VOICE
1000 */
1001
1002#define MIDI_NOTEOFF 0x80
1003#define MIDI_NOTEON 0x90
1004#define MIDI_KEY_PRESSURE 0xA0
1005
1006/*
1007 * Events for event type EV_CHN_COMMON
1008 */
1009
1010#define MIDI_CTL_CHANGE 0xB0
1011#define MIDI_PGM_CHANGE 0xC0
1012#define MIDI_CHN_PRESSURE 0xD0
1013#define MIDI_PITCH_BEND 0xE0
1014
1015#define MIDI_SYSTEM_PREFIX 0xF0
1016
1017/*
1018 * Timer event types
1019 */
1020#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1021#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1022#define TMR_STOP 3
1023#define TMR_START 4
1024#define TMR_CONTINUE 5
1025#define TMR_TEMPO 6
1026#define TMR_ECHO 8
1027#define TMR_CLOCK 9 /* MIDI clock */
1028#define TMR_SPP 10 /* Song position pointer */
1029#define TMR_TIMESIG 11 /* Time signature */
1030
1031/*
1032 * Local event types
1033 */
1034#define LOCL_STARTAUDIO 1
1035
1036/*
1037 * Some convenience macros to simplify programming of the
1038 * /dev/sequencer interface
1039 *
1040 * This is a legacy interface for applications written against
1041 * the OSSlib-3.8 style interface. It is no longer possible
1042 * to actually link against OSSlib with this header, but we
1043 * still provide these macros for programs using them.
1044 *
1045 * If you want to use OSSlib, it is recommended that you get
1046 * the GPL version of OSS-4.x and build against that version
1047 * of the header.
1048 *
1049 * We redefine the extern keyword so that usr/include/headers_check.pl
1050 * does not complain about SEQ_USE_EXTBUF.
1051 */
1052#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1053
1054void seqbuf_dump(void); /* This function must be provided by programs */
1055
1056#define SEQ_PM_DEFINES int __foo_bar___
1057
1058#define SEQ_LOAD_GMINSTR(dev, instr)
1059#define SEQ_LOAD_GMDRUM(dev, drum)
1060
1061#define _SEQ_EXTERN extern
1062#define SEQ_USE_EXTBUF() \
1063 _SEQ_EXTERN unsigned char _seqbuf[]; \
1064 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
1065
1066#ifndef USE_SIMPLE_MACROS
1067/* Sample seqbuf_dump() implementation:
1068 *
1069 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1070 *
1071 * int seqfd; -- The file descriptor for /dev/sequencer.
1072 *
1073 * void
1074 * seqbuf_dump ()
1075 * {
1076 * if (_seqbufptr)
1077 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1078 * {
1079 * perror ("write /dev/sequencer");
1080 * exit (-1);
1081 * }
1082 * _seqbufptr = 0;
1083 * }
1084 */
1085
1086#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1087#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1088#define _SEQ_ADVBUF(len) _seqbufptr += len
1089#define SEQ_DUMPBUF seqbuf_dump
1090#else
1091/*
1092 * This variation of the sequencer macros is used just to format one event
1093 * using fixed buffer.
1094 *
1095 * The program using the macro library must define the following macros before
1096 * using this library.
1097 *
1098 * #define _seqbuf name of the buffer (unsigned char[])
1099 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1100 * size of the event, this macro can be used.
1101 * Otherwise this must be defined as empty.
1102 * #define _seqbufptr Define the name of index variable or 0 if
1103 * not required.
1104 */
1105#define _SEQ_NEEDBUF(len) /* empty */
1106#endif
1107
1108#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
1109 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1110 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1111 _seqbuf[_seqbufptr+2] = (dev);\
1112 _seqbuf[_seqbufptr+3] = (mode);\
1113 _seqbuf[_seqbufptr+4] = 0;\
1114 _seqbuf[_seqbufptr+5] = 0;\
1115 _seqbuf[_seqbufptr+6] = 0;\
1116 _seqbuf[_seqbufptr+7] = 0;\
1117 _SEQ_ADVBUF(8);}
1118
1119/*
1120 * Midi voice messages
1121 */
1122
1123#define _CHN_VOICE(dev, event, chn, note, parm) \
1124 {_SEQ_NEEDBUF(8);\
1125 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1126 _seqbuf[_seqbufptr+1] = (dev);\
1127 _seqbuf[_seqbufptr+2] = (event);\
1128 _seqbuf[_seqbufptr+3] = (chn);\
1129 _seqbuf[_seqbufptr+4] = (note);\
1130 _seqbuf[_seqbufptr+5] = (parm);\
1131 _seqbuf[_seqbufptr+6] = (0);\
1132 _seqbuf[_seqbufptr+7] = 0;\
1133 _SEQ_ADVBUF(8);}
1134
1135#define SEQ_START_NOTE(dev, chn, note, vol) \
1136 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1137
1138#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1139 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1140
1141#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1142 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1143
1144/*
1145 * Midi channel messages
1146 */
1147
1148#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1149 {_SEQ_NEEDBUF(8);\
1150 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1151 _seqbuf[_seqbufptr+1] = (dev);\
1152 _seqbuf[_seqbufptr+2] = (event);\
1153 _seqbuf[_seqbufptr+3] = (chn);\
1154 _seqbuf[_seqbufptr+4] = (p1);\
1155 _seqbuf[_seqbufptr+5] = (p2);\
1156 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1157 _SEQ_ADVBUF(8);}
1158/*
1159 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1160 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1161 * so _will_ cause problems with MPU401 intelligent mode).
1162 *
1163 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1164 * sent by calling SEQ_SYSEX() several times (there must be no other events
1165 * between them). First sysex fragment must have 0xf0 in the first byte
1166 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1167 * between these sysex start and end markers cannot be larger than 0x7f. Also
1168 * lengths of each fragments (except the last one) must be 6.
1169 *
1170 * Breaking the above rules may work with some MIDI ports but is likely to
1171 * cause fatal problems with some other devices (such as MPU401).
1172 */
1173#define SEQ_SYSEX(dev, buf, len) \
1174 {int ii, ll=(len); \
1175 unsigned char *bufp=buf;\
1176 if (ll>6)ll=6;\
1177 _SEQ_NEEDBUF(8);\
1178 _seqbuf[_seqbufptr] = EV_SYSEX;\
1179 _seqbuf[_seqbufptr+1] = (dev);\
1180 for(ii=0;ii<ll;ii++)\
1181 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1182 for(ii=ll;ii<6;ii++)\
1183 _seqbuf[_seqbufptr+ii+2] = 0xff;\
1184 _SEQ_ADVBUF(8);}
1185
1186#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1187 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1188
1189#define SEQ_SET_PATCH SEQ_PGM_CHANGE
1190#define SEQ_PGM_CHANGE(dev, chn, patch) \
1191 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1192
1193#define SEQ_CONTROL(dev, chn, controller, value) \
1194 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1195
1196#define SEQ_BENDER(dev, chn, value) \
1197 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1198
1199
1200#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1201 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1202 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1203 _seqbuf[_seqbufptr+2] = (dev);\
1204 _seqbuf[_seqbufptr+3] = (voice);\
1205 _seqbuf[_seqbufptr+4] = (controller);\
1206 _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1207 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1208 _seqbuf[_seqbufptr+7] = 0;\
1209 _SEQ_ADVBUF(8);}
1210/*
1211 * The following 5 macros are incorrectly implemented and obsolete.
1212 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1213 */
1214#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1215#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1216#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1217#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1218#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1219
1220/*
1221 * Timing and synchronization macros
1222 */
1223
1224#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1225 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1226 _seqbuf[_seqbufptr+1] = (ev); \
1227 _seqbuf[_seqbufptr+2] = 0;\
1228 _seqbuf[_seqbufptr+3] = 0;\
1229 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1230 _SEQ_ADVBUF(8);}
1231
1232#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1233#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1234#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1235#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1236#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1237#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1238#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1239#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1240#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1241
1242/*
1243 * Local control events
1244 */
1245
1246#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1247 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1248 _seqbuf[_seqbufptr+1] = (ev); \
1249 _seqbuf[_seqbufptr+2] = 0;\
1250 _seqbuf[_seqbufptr+3] = 0;\
1251 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1252 _SEQ_ADVBUF(8);}
1253
1254#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1255/*
1256 * Events for the level 1 interface only
1257 */
1258
1259#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1260 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1261 _seqbuf[_seqbufptr+1] = (byte);\
1262 _seqbuf[_seqbufptr+2] = (device);\
1263 _seqbuf[_seqbufptr+3] = 0;\
1264 _SEQ_ADVBUF(4);}
1265
1266/*
1267 * Patch loading.
1268 */
1269#define SEQ_WRPATCH(patchx, len) \
1270 {if (_seqbufptr) SEQ_DUMPBUF();\
1271 if (write(seqfd, (char*)(patchx), len)==-1) \
1272 perror("Write patch: /dev/sequencer");}
1273#define SEQ_WRPATCH2(patchx, len) \
1274 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1275
1276#endif /* SOUNDCARD_H */