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diff --git a/include/uapi/linux/soundcard.h b/include/uapi/linux/soundcard.h
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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 _UAPISOUNDCARD_H
25#define _UAPISOUNDCARD_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#ifndef __KERNEL__
44# include <endian.h>
45#endif
46
47/*
48 * Supported card ID numbers (Should be somewhere else?)
49 */
50
51#define SNDCARD_ADLIB 1
52#define SNDCARD_SB 2
53#define SNDCARD_PAS 3
54#define SNDCARD_GUS 4
55#define SNDCARD_MPU401 5
56#define SNDCARD_SB16 6
57#define SNDCARD_SB16MIDI 7
58#define SNDCARD_UART6850 8
59#define SNDCARD_GUS16 9
60#define SNDCARD_MSS 10
61#define SNDCARD_PSS 11
62#define SNDCARD_SSCAPE 12
63#define SNDCARD_PSS_MPU 13
64#define SNDCARD_PSS_MSS 14
65#define SNDCARD_SSCAPE_MSS 15
66#define SNDCARD_TRXPRO 16
67#define SNDCARD_TRXPRO_SB 17
68#define SNDCARD_TRXPRO_MPU 18
69#define SNDCARD_MAD16 19
70#define SNDCARD_MAD16_MPU 20
71#define SNDCARD_CS4232 21
72#define SNDCARD_CS4232_MPU 22
73#define SNDCARD_MAUI 23
74#define SNDCARD_PSEUDO_MSS 24
75#define SNDCARD_GUSPNP 25
76#define SNDCARD_UART401 26
77/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
78
79/***********************************
80 * IOCTL Commands for /dev/sequencer
81 */
82
83#ifndef _SIOWR
84#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
85/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
86#define SIOCPARM_MASK IOCPARM_MASK
87#define SIOC_VOID IOC_VOID
88#define SIOC_OUT IOC_OUT
89#define SIOC_IN IOC_IN
90#define SIOC_INOUT IOC_INOUT
91#define _SIOC_SIZE _IOC_SIZE
92#define _SIOC_DIR _IOC_DIR
93#define _SIOC_NONE _IOC_NONE
94#define _SIOC_READ _IOC_READ
95#define _SIOC_WRITE _IOC_WRITE
96#define _SIO _IO
97#define _SIOR _IOR
98#define _SIOW _IOW
99#define _SIOWR _IOWR
100#else
101
102/* Ioctl's have the command encoded in the lower word,
103 * and the size of any in or out parameters in the upper
104 * word. The high 2 bits of the upper word are used
105 * to encode the in/out status of the parameter; for now
106 * we restrict parameters to at most 8191 bytes.
107 */
108/* #define SIOCTYPE (0xff<<8) */
109#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
110#define SIOC_VOID 0x00000000 /* no parameters */
111#define SIOC_OUT 0x20000000 /* copy out parameters */
112#define SIOC_IN 0x40000000 /* copy in parameters */
113#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
114/* the 0x20000000 is so we can distinguish new ioctl's from old */
115#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
116#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
117#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
118/* this should be _SIORW, but stdio got there first */
119#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
120#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
121#define _SIOC_DIR(x) (x & 0xf0000000)
122#define _SIOC_NONE SIOC_VOID
123#define _SIOC_READ SIOC_OUT
124#define _SIOC_WRITE SIOC_IN
125# endif /* _IOWR */
126#endif /* !_SIOWR */
127
128#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
129#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
130#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
131#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
132#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
133#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
134#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
135#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
136#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
137#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
138#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
139#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
140#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
141#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
142#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
143#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
144#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
145#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
146#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
147#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
148#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
149#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
150
151typedef struct synth_control
152{
153 int devno; /* Synthesizer # */
154 char data[4000]; /* Device spesific command/data record */
155}synth_control;
156
157typedef struct remove_sample
158{
159 int devno; /* Synthesizer # */
160 int bankno; /* MIDI bank # (0=General MIDI) */
161 int instrno; /* MIDI instrument number */
162} remove_sample;
163
164typedef struct seq_event_rec {
165 unsigned char arr[8];
166} seq_event_rec;
167
168#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
169#define SNDCTL_TMR_START _SIO ('T', 2)
170#define SNDCTL_TMR_STOP _SIO ('T', 3)
171#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
172#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
173#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int)
174# define TMR_INTERNAL 0x00000001
175# define TMR_EXTERNAL 0x00000002
176# define TMR_MODE_MIDI 0x00000010
177# define TMR_MODE_FSK 0x00000020
178# define TMR_MODE_CLS 0x00000040
179# define TMR_MODE_SMPTE 0x00000080
180#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int)
181#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
182
183/*
184 * Some big endian/little endian handling macros
185 */
186
187#define _LINUX_PATCHKEY_H_INDIRECT
188#include <linux/patchkey.h>
189#undef _LINUX_PATCHKEY_H_INDIRECT
190
191#if !defined(__KERNEL__)
192# if defined(__BYTE_ORDER)
193# if __BYTE_ORDER == __BIG_ENDIAN
194# define AFMT_S16_NE AFMT_S16_BE
195# elif __BYTE_ORDER == __LITTLE_ENDIAN
196# define AFMT_S16_NE AFMT_S16_LE
197# else
198# error "could not determine byte order"
199# endif
200# endif
201#endif
202
203/*
204 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
205 * The following patch_info structure has been designed to support
206 * Gravis UltraSound. It tries to be universal format for uploading
207 * sample based patches but is probably too limited.
208 *
209 * (PBD) As Hannu guessed, the GUS structure is too limited for
210 * the WaveFront, but this is the right place for a constant definition.
211 */
212
213struct patch_info {
214 unsigned short key; /* Use WAVE_PATCH here */
215#define WAVE_PATCH _PATCHKEY(0x04)
216#define GUS_PATCH WAVE_PATCH
217#define WAVEFRONT_PATCH _PATCHKEY(0x06)
218
219 short device_no; /* Synthesizer number */
220 short instr_no; /* Midi pgm# */
221
222 unsigned int mode;
223/*
224 * The least significant byte has the same format than the GUS .PAT
225 * files
226 */
227#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
228#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
229#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
230#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
231#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
232#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
233#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
234#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
235 /* (use the env_rate/env_offs fields). */
236/* Linux specific bits */
237#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
238#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
239#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
240#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
241/* Reserved bits */
242#define WAVE_ROM 0x40000000 /* For future use */
243#define WAVE_MULAW 0x20000000 /* For future use */
244/* Other bits must be zeroed */
245
246 int len; /* Size of the wave data in bytes */
247 int loop_start, loop_end; /* Byte offsets from the beginning */
248
249/*
250 * The base_freq and base_note fields are used when computing the
251 * playback speed for a note. The base_note defines the tone frequency
252 * which is heard if the sample is played using the base_freq as the
253 * playback speed.
254 *
255 * The low_note and high_note fields define the minimum and maximum note
256 * frequencies for which this sample is valid. It is possible to define
257 * more than one samples for an instrument number at the same time. The
258 * low_note and high_note fields are used to select the most suitable one.
259 *
260 * The fields base_note, high_note and low_note should contain
261 * the note frequency multiplied by 1000. For example value for the
262 * middle A is 440*1000.
263 */
264
265 unsigned int base_freq;
266 unsigned int base_note;
267 unsigned int high_note;
268 unsigned int low_note;
269 int panning; /* -128=left, 127=right */
270 int detuning;
271
272/* New fields introduced in version 1.99.5 */
273
274 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
275 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
276 unsigned char env_offset[ 6 ]; /* 255 == 100% */
277
278 /*
279 * The tremolo, vibrato and scale info are not supported yet.
280 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
281 * WAVE_SCALE
282 */
283
284 unsigned char tremolo_sweep;
285 unsigned char tremolo_rate;
286 unsigned char tremolo_depth;
287
288 unsigned char vibrato_sweep;
289 unsigned char vibrato_rate;
290 unsigned char vibrato_depth;
291
292 int scale_frequency;
293 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
294
295 int volume;
296 int fractions;
297 int reserved1;
298 int spare[2];
299 char data[1]; /* The waveform data starts here */
300 };
301
302struct sysex_info {
303 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
304#define SYSEX_PATCH _PATCHKEY(0x05)
305#define MAUI_PATCH _PATCHKEY(0x06)
306 short device_no; /* Synthesizer number */
307 int len; /* Size of the sysex data in bytes */
308 unsigned char data[1]; /* Sysex data starts here */
309 };
310
311/*
312 * /dev/sequencer input events.
313 *
314 * The data written to the /dev/sequencer is a stream of events. Events
315 * are records of 4 or 8 bytes. The first byte defines the size.
316 * Any number of events can be written with a write call. There
317 * is a set of macros for sending these events. Use these macros if you
318 * want to maximize portability of your program.
319 *
320 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
321 * (All input events are currently 4 bytes long. Be prepared to support
322 * 8 byte events also. If you receive any event having first byte >= 128,
323 * it's a 8 byte event.
324 *
325 * The events are documented at the end of this file.
326 *
327 * Normal events (4 bytes)
328 * There is also a 8 byte version of most of the 4 byte events. The
329 * 8 byte one is recommended.
330 */
331#define SEQ_NOTEOFF 0
332#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
333#define SEQ_NOTEON 1
334#define SEQ_FMNOTEON SEQ_NOTEON
335#define SEQ_WAIT TMR_WAIT_ABS
336#define SEQ_PGMCHANGE 3
337#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
338#define SEQ_SYNCTIMER TMR_START
339#define SEQ_MIDIPUTC 5
340#define SEQ_DRUMON 6 /*** OBSOLETE ***/
341#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
342#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
343#define SEQ_AFTERTOUCH 9
344#define SEQ_CONTROLLER 10
345
346/*******************************************
347 * Midi controller numbers
348 *******************************************
349 * Controllers 0 to 31 (0x00 to 0x1f) and
350 * 32 to 63 (0x20 to 0x3f) are continuous
351 * controllers.
352 * In the MIDI 1.0 these controllers are sent using
353 * two messages. Controller numbers 0 to 31 are used
354 * to send the MSB and the controller numbers 32 to 63
355 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
356 */
357
358#define CTL_BANK_SELECT 0x00
359#define CTL_MODWHEEL 0x01
360#define CTL_BREATH 0x02
361/* undefined 0x03 */
362#define CTL_FOOT 0x04
363#define CTL_PORTAMENTO_TIME 0x05
364#define CTL_DATA_ENTRY 0x06
365#define CTL_MAIN_VOLUME 0x07
366#define CTL_BALANCE 0x08
367/* undefined 0x09 */
368#define CTL_PAN 0x0a
369#define CTL_EXPRESSION 0x0b
370/* undefined 0x0c */
371/* undefined 0x0d */
372/* undefined 0x0e */
373/* undefined 0x0f */
374#define CTL_GENERAL_PURPOSE1 0x10
375#define CTL_GENERAL_PURPOSE2 0x11
376#define CTL_GENERAL_PURPOSE3 0x12
377#define CTL_GENERAL_PURPOSE4 0x13
378/* undefined 0x14 - 0x1f */
379
380/* undefined 0x20 */
381/* The controller numbers 0x21 to 0x3f are reserved for the */
382/* least significant bytes of the controllers 0x00 to 0x1f. */
383/* These controllers are not recognised by the driver. */
384
385/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
386/* 0=OFF and 127=ON (intermediate values are possible) */
387#define CTL_DAMPER_PEDAL 0x40
388#define CTL_SUSTAIN 0x40 /* Alias */
389#define CTL_HOLD 0x40 /* Alias */
390#define CTL_PORTAMENTO 0x41
391#define CTL_SOSTENUTO 0x42
392#define CTL_SOFT_PEDAL 0x43
393/* undefined 0x44 */
394#define CTL_HOLD2 0x45
395/* undefined 0x46 - 0x4f */
396
397#define CTL_GENERAL_PURPOSE5 0x50
398#define CTL_GENERAL_PURPOSE6 0x51
399#define CTL_GENERAL_PURPOSE7 0x52
400#define CTL_GENERAL_PURPOSE8 0x53
401/* undefined 0x54 - 0x5a */
402#define CTL_EXT_EFF_DEPTH 0x5b
403#define CTL_TREMOLO_DEPTH 0x5c
404#define CTL_CHORUS_DEPTH 0x5d
405#define CTL_DETUNE_DEPTH 0x5e
406#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
407#define CTL_PHASER_DEPTH 0x5f
408#define CTL_DATA_INCREMENT 0x60
409#define CTL_DATA_DECREMENT 0x61
410#define CTL_NONREG_PARM_NUM_LSB 0x62
411#define CTL_NONREG_PARM_NUM_MSB 0x63
412#define CTL_REGIST_PARM_NUM_LSB 0x64
413#define CTL_REGIST_PARM_NUM_MSB 0x65
414/* undefined 0x66 - 0x78 */
415/* reserved 0x79 - 0x7f */
416
417/* Pseudo controllers (not midi compatible) */
418#define CTRL_PITCH_BENDER 255
419#define CTRL_PITCH_BENDER_RANGE 254
420#define CTRL_EXPRESSION 253 /* Obsolete */
421#define CTRL_MAIN_VOLUME 252 /* Obsolete */
422#define SEQ_BALANCE 11
423#define SEQ_VOLMODE 12
424
425/*
426 * Volume mode decides how volumes are used
427 */
428
429#define VOL_METHOD_ADAGIO 1
430#define VOL_METHOD_LINEAR 2
431
432/*
433 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
434 * input events.
435 */
436
437/*
438 * Event codes 0xf0 to 0xfc are reserved for future extensions.
439 */
440
441#define SEQ_FULLSIZE 0xfd /* Long events */
442/*
443 * SEQ_FULLSIZE events are used for loading patches/samples to the
444 * synthesizer devices. These events are passed directly to the driver
445 * of the associated synthesizer device. There is no limit to the size
446 * of the extended events. These events are not queued but executed
447 * immediately when the write() is called (execution can take several
448 * seconds of time).
449 *
450 * When a SEQ_FULLSIZE message is written to the device, it must
451 * be written using exactly one write() call. Other events cannot
452 * be mixed to the same write.
453 *
454 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
455 * /dev/sequencer. Don't write other data together with the instrument structure
456 * Set the key field of the structure to FM_PATCH. The device field is used to
457 * route the patch to the corresponding device.
458 *
459 * For wave table use struct patch_info. Initialize the key field
460 * to WAVE_PATCH.
461 */
462#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
463#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
464
465/*
466 * Record for FM patches
467 */
468
469typedef unsigned char sbi_instr_data[32];
470
471struct sbi_instrument {
472 unsigned short key; /* FM_PATCH or OPL3_PATCH */
473#define FM_PATCH _PATCHKEY(0x01)
474#define OPL3_PATCH _PATCHKEY(0x03)
475 short device; /* Synth# (0-4) */
476 int channel; /* Program# to be initialized */
477 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
478 };
479
480struct synth_info { /* Read only */
481 char name[30];
482 int device; /* 0-N. INITIALIZE BEFORE CALLING */
483 int synth_type;
484#define SYNTH_TYPE_FM 0
485#define SYNTH_TYPE_SAMPLE 1
486#define SYNTH_TYPE_MIDI 2 /* Midi interface */
487
488 int synth_subtype;
489#define FM_TYPE_ADLIB 0x00
490#define FM_TYPE_OPL3 0x01
491#define MIDI_TYPE_MPU401 0x401
492
493#define SAMPLE_TYPE_BASIC 0x10
494#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
495#define SAMPLE_TYPE_WAVEFRONT 0x11
496
497 int perc_mode; /* No longer supported */
498 int nr_voices;
499 int nr_drums; /* Obsolete field */
500 int instr_bank_size;
501 unsigned int capabilities;
502#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
503#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
504#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
505 int dummies[19]; /* Reserve space */
506 };
507
508struct sound_timer_info {
509 char name[32];
510 int caps;
511 };
512
513#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
514
515struct midi_info {
516 char name[30];
517 int device; /* 0-N. INITIALIZE BEFORE CALLING */
518 unsigned int capabilities; /* To be defined later */
519 int dev_type;
520 int dummies[18]; /* Reserve space */
521 };
522
523/********************************************
524 * ioctl commands for the /dev/midi##
525 */
526typedef struct {
527 unsigned char cmd;
528 char nr_args, nr_returns;
529 unsigned char data[30];
530 } mpu_command_rec;
531
532#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
533#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
534#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
535
536/********************************************
537 * IOCTL commands for /dev/dsp and /dev/audio
538 */
539
540#define SNDCTL_DSP_RESET _SIO ('P', 0)
541#define SNDCTL_DSP_SYNC _SIO ('P', 1)
542#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
543#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
544#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
545#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
546#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
547#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
548#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
549#define SNDCTL_DSP_POST _SIO ('P', 8)
550#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
551#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
552
553/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
554#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
555#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/
556# define AFMT_QUERY 0x00000000 /* Return current fmt */
557# define AFMT_MU_LAW 0x00000001
558# define AFMT_A_LAW 0x00000002
559# define AFMT_IMA_ADPCM 0x00000004
560# define AFMT_U8 0x00000008
561# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
562# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
563# define AFMT_S8 0x00000040
564# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
565# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
566# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
567# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
568
569/*
570 * Buffer status queries.
571 */
572typedef struct audio_buf_info {
573 int fragments; /* # of available fragments (partially usend ones not counted) */
574 int fragstotal; /* Total # of fragments allocated */
575 int fragsize; /* Size of a fragment in bytes */
576
577 int bytes; /* Available space in bytes (includes partially used fragments) */
578 /* Note! 'bytes' could be more than fragments*fragsize */
579 } audio_buf_info;
580
581#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info)
582#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
583#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
584#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
585# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
586# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
587# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
588# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
589 /* internal buffers which may */
590 /* cause some delays and */
591 /* decrease precision of timing */
592# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
593 /* Sometimes it's a DSP */
594 /* but usually not */
595# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
596# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
597# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
598# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
599
600
601#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
602#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int)
603# define PCM_ENABLE_INPUT 0x00000001
604# define PCM_ENABLE_OUTPUT 0x00000002
605
606typedef struct count_info {
607 int bytes; /* Total # of bytes processed */
608 int blocks; /* # of fragment transitions since last time */
609 int ptr; /* Current DMA pointer value */
610 } count_info;
611
612#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
613#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
614
615typedef struct buffmem_desc {
616 unsigned *buffer;
617 int size;
618 } buffmem_desc;
619#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
620#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
621#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
622#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
623#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
624
625#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
626#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
627# define DSP_BIND_QUERY 0x00000000
628# define DSP_BIND_FRONT 0x00000001
629# define DSP_BIND_SURR 0x00000002
630# define DSP_BIND_CENTER_LFE 0x00000004
631# define DSP_BIND_HANDSET 0x00000008
632# define DSP_BIND_MIC 0x00000010
633# define DSP_BIND_MODEM1 0x00000020
634# define DSP_BIND_MODEM2 0x00000040
635# define DSP_BIND_I2S 0x00000080
636# define DSP_BIND_SPDIF 0x00000100
637
638#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
639#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
640# define SPDIF_PRO 0x0001
641# define SPDIF_N_AUD 0x0002
642# define SPDIF_COPY 0x0004
643# define SPDIF_PRE 0x0008
644# define SPDIF_CC 0x07f0
645# define SPDIF_L 0x0800
646# define SPDIF_DRS 0x4000
647# define SPDIF_V 0x8000
648
649/*
650 * Application's profile defines the way how playback underrun situations should be handled.
651 *
652 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
653 * playback buffer whenever an underrun occurs. This consumes some time
654 * prevents looping the existing buffer.
655 * APF_CPUINTENS is intended to be set by CPU intensive applications which
656 * are likely to run out of time occasionally. In this mode the buffer cleanup is
657 * disabled which saves CPU time but also let's the previous buffer content to
658 * be played during the "pause" after the underrun.
659 */
660#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
661#define APF_NORMAL 0 /* Normal applications */
662#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
663#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
664
665#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
666#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
667#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
668#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
669
670/* Some alias names */
671#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
672#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
673#define SOUND_PCM_POST SNDCTL_DSP_POST
674#define SOUND_PCM_RESET SNDCTL_DSP_RESET
675#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
676#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
677#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
678#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
679#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
680#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
681#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
682#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
683#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
684#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
685#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
686#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
687#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
688#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
689#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
690#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
691
692/*
693 * ioctl calls to be used in communication with coprocessors and
694 * DSP chips.
695 */
696
697typedef struct copr_buffer {
698 int command; /* Set to 0 if not used */
699 int flags;
700#define CPF_NONE 0x0000
701#define CPF_FIRST 0x0001 /* First block */
702#define CPF_LAST 0x0002 /* Last block */
703 int len;
704 int offs; /* If required by the device (0 if not used) */
705
706 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
707 } copr_buffer;
708
709typedef struct copr_debug_buf {
710 int command; /* Used internally. Set to 0 */
711 int parm1;
712 int parm2;
713 int flags;
714 int len; /* Length of data in bytes */
715 } copr_debug_buf;
716
717typedef struct copr_msg {
718 int len;
719 unsigned char data[4000];
720 } copr_msg;
721
722#define SNDCTL_COPR_RESET _SIO ('C', 0)
723#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
724#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
725#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
726#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
727#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
728#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
729#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
730#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
731#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
732
733/*********************************************
734 * IOCTL commands for /dev/mixer
735 */
736
737/*
738 * Mixer devices
739 *
740 * There can be up to 20 different analog mixer channels. The
741 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
742 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
743 * the devices supported by the particular mixer.
744 */
745
746#define SOUND_MIXER_NRDEVICES 25
747#define SOUND_MIXER_VOLUME 0
748#define SOUND_MIXER_BASS 1
749#define SOUND_MIXER_TREBLE 2
750#define SOUND_MIXER_SYNTH 3
751#define SOUND_MIXER_PCM 4
752#define SOUND_MIXER_SPEAKER 5
753#define SOUND_MIXER_LINE 6
754#define SOUND_MIXER_MIC 7
755#define SOUND_MIXER_CD 8
756#define SOUND_MIXER_IMIX 9 /* Recording monitor */
757#define SOUND_MIXER_ALTPCM 10
758#define SOUND_MIXER_RECLEV 11 /* Recording level */
759#define SOUND_MIXER_IGAIN 12 /* Input gain */
760#define SOUND_MIXER_OGAIN 13 /* Output gain */
761/*
762 * The AD1848 codec and compatibles have three line level inputs
763 * (line, aux1 and aux2). Since each card manufacturer have assigned
764 * different meanings to these inputs, it's inpractical to assign
765 * specific meanings (line, cd, synth etc.) to them.
766 */
767#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
768#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
769#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
770#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
771#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
772#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
773#define SOUND_MIXER_PHONEIN 20 /* Phone input */
774#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
775#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
776#define SOUND_MIXER_RADIO 23 /* Radio in */
777#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
778
779/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
780/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
781#define SOUND_ONOFF_MIN 28
782#define SOUND_ONOFF_MAX 30
783
784/* Note! Number 31 cannot be used since the sign bit is reserved */
785#define SOUND_MIXER_NONE 31
786
787/*
788 * The following unsupported macros are no longer functional.
789 * Use SOUND_MIXER_PRIVATE# macros in future.
790 */
791#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
792#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
793#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
794
795
796#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
797 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
798 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
799 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
800
801#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
802 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
803 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
804 "phin", "phout", "video", "radio", "monitor"}
805
806/* Device bitmask identifiers */
807
808#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
809#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
810#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
811#define SOUND_MIXER_CAPS 0xfc
812# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
813#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
814#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
815#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
816
817/* Device mask bits */
818
819#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
820#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
821#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
822#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
823#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
824#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
825#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
826#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
827#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
828#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
829#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
830#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
831#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
832#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
833#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
834#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
835#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
836#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
837#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
838#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
839#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
840#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
841#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
842#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
843#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
844
845/* Obsolete macros */
846#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
847#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
848#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
849
850#define MIXER_READ(dev) _SIOR('M', dev, int)
851#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
852#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
853#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
854#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
855#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
856#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
857#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
858#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
859#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
860#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
861#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
862#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
863#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
864#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
865#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
866#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
867#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
868
869/* Obsolete macros */
870#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
871#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
872#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
873
874#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
875#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
876#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
877#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
878#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
879
880#define MIXER_WRITE(dev) _SIOWR('M', dev, int)
881#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
882#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
883#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
884#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
885#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
886#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
887#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
888#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
889#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
890#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
891#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
892#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
893#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
894#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
895#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
896#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
897#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
898
899/* Obsolete macros */
900#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
901#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
902#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
903
904#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
905
906typedef struct mixer_info
907{
908 char id[16];
909 char name[32];
910 int modify_counter;
911 int fillers[10];
912} mixer_info;
913
914typedef struct _old_mixer_info /* Obsolete */
915{
916 char id[16];
917 char name[32];
918} _old_mixer_info;
919
920#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
921#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
922
923/*
924 * A mechanism for accessing "proprietary" mixer features. This method
925 * permits passing 128 bytes of arbitrary data between a mixer application
926 * and the mixer driver. Interpretation of the record is defined by
927 * the particular mixer driver.
928 */
929typedef unsigned char mixer_record[128];
930
931#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
932
933/*
934 * Two ioctls for special souncard function
935 */
936#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
937#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
938
939/*
940 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
941 * These features can be used when accessing device specific features.
942 */
943#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
944#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
945#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
946#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
947#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
948
949/*
950 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
951 * for querying current mixer settings from the driver and for loading
952 * default volume settings _prior_ activating the mixer (loading
953 * doesn't affect current state of the mixer hardware). These calls
954 * are for internal use only.
955 */
956
957typedef struct mixer_vol_table {
958 int num; /* Index to volume table */
959 char name[32];
960 int levels[32];
961} mixer_vol_table;
962
963#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
964#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
965
966/*
967 * An ioctl for identifying the driver version. It will return value
968 * of the SOUND_VERSION macro used when compiling the driver.
969 * This call was introduced in OSS version 3.6 and it will not work
970 * with earlier versions (returns EINVAL).
971 */
972#define OSS_GETVERSION _SIOR ('M', 118, int)
973
974/*
975 * Level 2 event types for /dev/sequencer
976 */
977
978/*
979 * The 4 most significant bits of byte 0 specify the class of
980 * the event:
981 *
982 * 0x8X = system level events,
983 * 0x9X = device/port specific events, event[1] = device/port,
984 * The last 4 bits give the subtype:
985 * 0x02 = Channel event (event[3] = chn).
986 * 0x01 = note event (event[4] = note).
987 * (0x01 is not used alone but always with bit 0x02).
988 * event[2] = MIDI message code (0x80=note off etc.)
989 *
990 */
991
992#define EV_SEQ_LOCAL 0x80
993#define EV_TIMING 0x81
994#define EV_CHN_COMMON 0x92
995#define EV_CHN_VOICE 0x93
996#define EV_SYSEX 0x94
997/*
998 * Event types 200 to 220 are reserved for application use.
999 * These numbers will not be used by the driver.
1000 */
1001
1002/*
1003 * Events for event type EV_CHN_VOICE
1004 */
1005
1006#define MIDI_NOTEOFF 0x80
1007#define MIDI_NOTEON 0x90
1008#define MIDI_KEY_PRESSURE 0xA0
1009
1010/*
1011 * Events for event type EV_CHN_COMMON
1012 */
1013
1014#define MIDI_CTL_CHANGE 0xB0
1015#define MIDI_PGM_CHANGE 0xC0
1016#define MIDI_CHN_PRESSURE 0xD0
1017#define MIDI_PITCH_BEND 0xE0
1018
1019#define MIDI_SYSTEM_PREFIX 0xF0
1020
1021/*
1022 * Timer event types
1023 */
1024#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1025#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1026#define TMR_STOP 3
1027#define TMR_START 4
1028#define TMR_CONTINUE 5
1029#define TMR_TEMPO 6
1030#define TMR_ECHO 8
1031#define TMR_CLOCK 9 /* MIDI clock */
1032#define TMR_SPP 10 /* Song position pointer */
1033#define TMR_TIMESIG 11 /* Time signature */
1034
1035/*
1036 * Local event types
1037 */
1038#define LOCL_STARTAUDIO 1
1039
1040#if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
1041/*
1042 * Some convenience macros to simplify programming of the
1043 * /dev/sequencer interface
1044 *
1045 * This is a legacy interface for applications written against
1046 * the OSSlib-3.8 style interface. It is no longer possible
1047 * to actually link against OSSlib with this header, but we
1048 * still provide these macros for programs using them.
1049 *
1050 * If you want to use OSSlib, it is recommended that you get
1051 * the GPL version of OSS-4.x and build against that version
1052 * of the header.
1053 *
1054 * We redefine the extern keyword so that make headers_check
1055 * does not complain about SEQ_USE_EXTBUF.
1056 */
1057#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1058
1059void seqbuf_dump(void); /* This function must be provided by programs */
1060
1061#define SEQ_PM_DEFINES int __foo_bar___
1062
1063#define SEQ_LOAD_GMINSTR(dev, instr)
1064#define SEQ_LOAD_GMDRUM(dev, drum)
1065
1066#define _SEQ_EXTERN extern
1067#define SEQ_USE_EXTBUF() \
1068 _SEQ_EXTERN unsigned char _seqbuf[]; \
1069 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr
1070
1071#ifndef USE_SIMPLE_MACROS
1072/* Sample seqbuf_dump() implementation:
1073 *
1074 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1075 *
1076 * int seqfd; -- The file descriptor for /dev/sequencer.
1077 *
1078 * void
1079 * seqbuf_dump ()
1080 * {
1081 * if (_seqbufptr)
1082 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1083 * {
1084 * perror ("write /dev/sequencer");
1085 * exit (-1);
1086 * }
1087 * _seqbufptr = 0;
1088 * }
1089 */
1090
1091#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1092#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1093#define _SEQ_ADVBUF(len) _seqbufptr += len
1094#define SEQ_DUMPBUF seqbuf_dump
1095#else
1096/*
1097 * This variation of the sequencer macros is used just to format one event
1098 * using fixed buffer.
1099 *
1100 * The program using the macro library must define the following macros before
1101 * using this library.
1102 *
1103 * #define _seqbuf name of the buffer (unsigned char[])
1104 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1105 * size of the event, this macro can be used.
1106 * Otherwise this must be defined as empty.
1107 * #define _seqbufptr Define the name of index variable or 0 if
1108 * not required.
1109 */
1110#define _SEQ_NEEDBUF(len) /* empty */
1111#endif
1112
1113#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
1114 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1115 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1116 _seqbuf[_seqbufptr+2] = (dev);\
1117 _seqbuf[_seqbufptr+3] = (mode);\
1118 _seqbuf[_seqbufptr+4] = 0;\
1119 _seqbuf[_seqbufptr+5] = 0;\
1120 _seqbuf[_seqbufptr+6] = 0;\
1121 _seqbuf[_seqbufptr+7] = 0;\
1122 _SEQ_ADVBUF(8);}
1123
1124/*
1125 * Midi voice messages
1126 */
1127
1128#define _CHN_VOICE(dev, event, chn, note, parm) \
1129 {_SEQ_NEEDBUF(8);\
1130 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1131 _seqbuf[_seqbufptr+1] = (dev);\
1132 _seqbuf[_seqbufptr+2] = (event);\
1133 _seqbuf[_seqbufptr+3] = (chn);\
1134 _seqbuf[_seqbufptr+4] = (note);\
1135 _seqbuf[_seqbufptr+5] = (parm);\
1136 _seqbuf[_seqbufptr+6] = (0);\
1137 _seqbuf[_seqbufptr+7] = 0;\
1138 _SEQ_ADVBUF(8);}
1139
1140#define SEQ_START_NOTE(dev, chn, note, vol) \
1141 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1142
1143#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1144 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1145
1146#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1147 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1148
1149/*
1150 * Midi channel messages
1151 */
1152
1153#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1154 {_SEQ_NEEDBUF(8);\
1155 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1156 _seqbuf[_seqbufptr+1] = (dev);\
1157 _seqbuf[_seqbufptr+2] = (event);\
1158 _seqbuf[_seqbufptr+3] = (chn);\
1159 _seqbuf[_seqbufptr+4] = (p1);\
1160 _seqbuf[_seqbufptr+5] = (p2);\
1161 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1162 _SEQ_ADVBUF(8);}
1163/*
1164 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1165 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1166 * so _will_ cause problems with MPU401 intelligent mode).
1167 *
1168 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1169 * sent by calling SEQ_SYSEX() several times (there must be no other events
1170 * between them). First sysex fragment must have 0xf0 in the first byte
1171 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1172 * between these sysex start and end markers cannot be larger than 0x7f. Also
1173 * lengths of each fragments (except the last one) must be 6.
1174 *
1175 * Breaking the above rules may work with some MIDI ports but is likely to
1176 * cause fatal problems with some other devices (such as MPU401).
1177 */
1178#define SEQ_SYSEX(dev, buf, len) \
1179 {int ii, ll=(len); \
1180 unsigned char *bufp=buf;\
1181 if (ll>6)ll=6;\
1182 _SEQ_NEEDBUF(8);\
1183 _seqbuf[_seqbufptr] = EV_SYSEX;\
1184 _seqbuf[_seqbufptr+1] = (dev);\
1185 for(ii=0;ii<ll;ii++)\
1186 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1187 for(ii=ll;ii<6;ii++)\
1188 _seqbuf[_seqbufptr+ii+2] = 0xff;\
1189 _SEQ_ADVBUF(8);}
1190
1191#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1192 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1193
1194#define SEQ_SET_PATCH SEQ_PGM_CHANGE
1195#define SEQ_PGM_CHANGE(dev, chn, patch) \
1196 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1197
1198#define SEQ_CONTROL(dev, chn, controller, value) \
1199 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1200
1201#define SEQ_BENDER(dev, chn, value) \
1202 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1203
1204
1205#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1206 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1207 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1208 _seqbuf[_seqbufptr+2] = (dev);\
1209 _seqbuf[_seqbufptr+3] = (voice);\
1210 _seqbuf[_seqbufptr+4] = (controller);\
1211 _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1212 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1213 _seqbuf[_seqbufptr+7] = 0;\
1214 _SEQ_ADVBUF(8);}
1215/*
1216 * The following 5 macros are incorrectly implemented and obsolete.
1217 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1218 */
1219#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1220#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1221#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1222#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1223#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1224
1225/*
1226 * Timing and synchronization macros
1227 */
1228
1229#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1230 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1231 _seqbuf[_seqbufptr+1] = (ev); \
1232 _seqbuf[_seqbufptr+2] = 0;\
1233 _seqbuf[_seqbufptr+3] = 0;\
1234 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1235 _SEQ_ADVBUF(8);}
1236
1237#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1238#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1239#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1240#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1241#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1242#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1243#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1244#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1245#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1246
1247/*
1248 * Local control events
1249 */
1250
1251#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1252 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1253 _seqbuf[_seqbufptr+1] = (ev); \
1254 _seqbuf[_seqbufptr+2] = 0;\
1255 _seqbuf[_seqbufptr+3] = 0;\
1256 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1257 _SEQ_ADVBUF(8);}
1258
1259#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1260/*
1261 * Events for the level 1 interface only
1262 */
1263
1264#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1265 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1266 _seqbuf[_seqbufptr+1] = (byte);\
1267 _seqbuf[_seqbufptr+2] = (device);\
1268 _seqbuf[_seqbufptr+3] = 0;\
1269 _SEQ_ADVBUF(4);}
1270
1271/*
1272 * Patch loading.
1273 */
1274#define SEQ_WRPATCH(patchx, len) \
1275 {if (_seqbufptr) SEQ_DUMPBUF();\
1276 if (write(seqfd, (char*)(patchx), len)==-1) \
1277 perror("Write patch: /dev/sequencer");}
1278#define SEQ_WRPATCH2(patchx, len) \
1279 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1280
1281#endif
1282#endif /* _UAPISOUNDCARD_H */
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