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diff --git a/include/linux/soundcard.h b/include/linux/soundcard.h
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1#ifndef SOUNDCARD_H
2#define SOUNDCARD_H
3/*
4 * Copyright by Hannu Savolainen 1993-1997
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 2.
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27
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/*
43 * Supported card ID numbers (Should be somewhere else?)
44 */
45
46#define SNDCARD_ADLIB 1
47#define SNDCARD_SB 2
48#define SNDCARD_PAS 3
49#define SNDCARD_GUS 4
50#define SNDCARD_MPU401 5
51#define SNDCARD_SB16 6
52#define SNDCARD_SB16MIDI 7
53#define SNDCARD_UART6850 8
54#define SNDCARD_GUS16 9
55#define SNDCARD_MSS 10
56#define SNDCARD_PSS 11
57#define SNDCARD_SSCAPE 12
58#define SNDCARD_PSS_MPU 13
59#define SNDCARD_PSS_MSS 14
60#define SNDCARD_SSCAPE_MSS 15
61#define SNDCARD_TRXPRO 16
62#define SNDCARD_TRXPRO_SB 17
63#define SNDCARD_TRXPRO_MPU 18
64#define SNDCARD_MAD16 19
65#define SNDCARD_MAD16_MPU 20
66#define SNDCARD_CS4232 21
67#define SNDCARD_CS4232_MPU 22
68#define SNDCARD_MAUI 23
69#define SNDCARD_PSEUDO_MSS 24
70#define SNDCARD_GUSPNP 25
71#define SNDCARD_UART401 26
72/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */
73
74/***********************************
75 * IOCTL Commands for /dev/sequencer
76 */
77
78#ifndef _SIOWR
79#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__)))
80/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */
81#define SIOCPARM_MASK IOCPARM_MASK
82#define SIOC_VOID IOC_VOID
83#define SIOC_OUT IOC_OUT
84#define SIOC_IN IOC_IN
85#define SIOC_INOUT IOC_INOUT
86#define _SIOC_SIZE _IOC_SIZE
87#define _SIOC_DIR _IOC_DIR
88#define _SIOC_NONE _IOC_NONE
89#define _SIOC_READ _IOC_READ
90#define _SIOC_WRITE _IOC_WRITE
91#define _SIO _IO
92#define _SIOR _IOR
93#define _SIOW _IOW
94#define _SIOWR _IOWR
95#else
96
97/* Ioctl's have the command encoded in the lower word,
98 * and the size of any in or out parameters in the upper
99 * word. The high 2 bits of the upper word are used
100 * to encode the in/out status of the parameter; for now
101 * we restrict parameters to at most 8191 bytes.
102 */
103/* #define SIOCTYPE (0xff<<8) */
104#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */
105#define SIOC_VOID 0x00000000 /* no parameters */
106#define SIOC_OUT 0x20000000 /* copy out parameters */
107#define SIOC_IN 0x40000000 /* copy in parameters */
108#define SIOC_INOUT (SIOC_IN|SIOC_OUT)
109/* the 0x20000000 is so we can distinguish new ioctl's from old */
110#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y))
111#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
112#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
113/* this should be _SIORW, but stdio got there first */
114#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y))
115#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK)
116#define _SIOC_DIR(x) (x & 0xf0000000)
117#define _SIOC_NONE SIOC_VOID
118#define _SIOC_READ SIOC_OUT
119#define _SIOC_WRITE SIOC_IN
120# endif /* _IOWR */
121#endif /* !_SIOWR */
122
123#define SNDCTL_SEQ_RESET _SIO ('Q', 0)
124#define SNDCTL_SEQ_SYNC _SIO ('Q', 1)
125#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info)
126#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */
127#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int)
128#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int)
129#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int)
130#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */
131#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int)
132#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int)
133#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int)
134#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int)
135#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info)
136#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int)
137#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */
138#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */
139#define SNDCTL_SEQ_PANIC _SIO ('Q',17)
140#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec)
141#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int)
142#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info)
143#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control)
144#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample)
145
146typedef struct synth_control
147{
148 int devno; /* Synthesizer # */
149 char data[4000]; /* Device spesific command/data record */
150}synth_control;
151
152typedef struct remove_sample
153{
154 int devno; /* Synthesizer # */
155 int bankno; /* MIDI bank # (0=General MIDI) */
156 int instrno; /* MIDI instrument number */
157} remove_sample;
158
159typedef struct seq_event_rec {
160 unsigned char arr[8];
161} seq_event_rec;
162
163#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int)
164#define SNDCTL_TMR_START _SIO ('T', 2)
165#define SNDCTL_TMR_STOP _SIO ('T', 3)
166#define SNDCTL_TMR_CONTINUE _SIO ('T', 4)
167#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int)
168#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int)
169# define TMR_INTERNAL 0x00000001
170# define TMR_EXTERNAL 0x00000002
171# define TMR_MODE_MIDI 0x00000010
172# define TMR_MODE_FSK 0x00000020
173# define TMR_MODE_CLS 0x00000040
174# define TMR_MODE_SMPTE 0x00000080
175#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int)
176#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int)
177
178/*
179 * Some big endian/little endian handling macros
180 */
181
182#if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__sparc__) || defined(HPPA) || defined(PPC) || defined(__mc68000__)
183/* Big endian machines */
184# define _PATCHKEY(id) (0xfd00|id)
185# define AFMT_S16_NE AFMT_S16_BE
186#else
187# define _PATCHKEY(id) ((id<<8)|0xfd)
188# define AFMT_S16_NE AFMT_S16_LE
189#endif
190
191/*
192 * Sample loading mechanism for internal synthesizers (/dev/sequencer)
193 * The following patch_info structure has been designed to support
194 * Gravis UltraSound. It tries to be universal format for uploading
195 * sample based patches but is probably too limited.
196 *
197 * (PBD) As Hannu guessed, the GUS structure is too limited for
198 * the WaveFront, but this is the right place for a constant definition.
199 */
200
201struct patch_info {
202 unsigned short key; /* Use WAVE_PATCH here */
203#define WAVE_PATCH _PATCHKEY(0x04)
204#define GUS_PATCH WAVE_PATCH
205#define WAVEFRONT_PATCH _PATCHKEY(0x06)
206
207 short device_no; /* Synthesizer number */
208 short instr_no; /* Midi pgm# */
209
210 unsigned int mode;
211/*
212 * The least significant byte has the same format than the GUS .PAT
213 * files
214 */
215#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */
216#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */
217#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */
218#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */
219#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */
220#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/
221#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */
222#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */
223 /* (use the env_rate/env_offs fields). */
224/* Linux specific bits */
225#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */
226#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */
227#define WAVE_SCALE 0x00040000 /* The scaling info is valid */
228#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */
229/* Reserved bits */
230#define WAVE_ROM 0x40000000 /* For future use */
231#define WAVE_MULAW 0x20000000 /* For future use */
232/* Other bits must be zeroed */
233
234 int len; /* Size of the wave data in bytes */
235 int loop_start, loop_end; /* Byte offsets from the beginning */
236
237/*
238 * The base_freq and base_note fields are used when computing the
239 * playback speed for a note. The base_note defines the tone frequency
240 * which is heard if the sample is played using the base_freq as the
241 * playback speed.
242 *
243 * The low_note and high_note fields define the minimum and maximum note
244 * frequencies for which this sample is valid. It is possible to define
245 * more than one samples for an instrument number at the same time. The
246 * low_note and high_note fields are used to select the most suitable one.
247 *
248 * The fields base_note, high_note and low_note should contain
249 * the note frequency multiplied by 1000. For example value for the
250 * middle A is 440*1000.
251 */
252
253 unsigned int base_freq;
254 unsigned int base_note;
255 unsigned int high_note;
256 unsigned int low_note;
257 int panning; /* -128=left, 127=right */
258 int detuning;
259
260/* New fields introduced in version 1.99.5 */
261
262 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */
263 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */
264 unsigned char env_offset[ 6 ]; /* 255 == 100% */
265
266 /*
267 * The tremolo, vibrato and scale info are not supported yet.
268 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
269 * WAVE_SCALE
270 */
271
272 unsigned char tremolo_sweep;
273 unsigned char tremolo_rate;
274 unsigned char tremolo_depth;
275
276 unsigned char vibrato_sweep;
277 unsigned char vibrato_rate;
278 unsigned char vibrato_depth;
279
280 int scale_frequency;
281 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
282
283 int volume;
284 int fractions;
285 int reserved1;
286 int spare[2];
287 char data[1]; /* The waveform data starts here */
288 };
289
290struct sysex_info {
291 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */
292#define SYSEX_PATCH _PATCHKEY(0x05)
293#define MAUI_PATCH _PATCHKEY(0x06)
294 short device_no; /* Synthesizer number */
295 int len; /* Size of the sysex data in bytes */
296 unsigned char data[1]; /* Sysex data starts here */
297 };
298
299/*
300 * /dev/sequencer input events.
301 *
302 * The data written to the /dev/sequencer is a stream of events. Events
303 * are records of 4 or 8 bytes. The first byte defines the size.
304 * Any number of events can be written with a write call. There
305 * is a set of macros for sending these events. Use these macros if you
306 * want to maximize portability of your program.
307 *
308 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events.
309 * (All input events are currently 4 bytes long. Be prepared to support
310 * 8 byte events also. If you receive any event having first byte >= 128,
311 * it's a 8 byte event.
312 *
313 * The events are documented at the end of this file.
314 *
315 * Normal events (4 bytes)
316 * There is also a 8 byte version of most of the 4 byte events. The
317 * 8 byte one is recommended.
318 */
319#define SEQ_NOTEOFF 0
320#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
321#define SEQ_NOTEON 1
322#define SEQ_FMNOTEON SEQ_NOTEON
323#define SEQ_WAIT TMR_WAIT_ABS
324#define SEQ_PGMCHANGE 3
325#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE
326#define SEQ_SYNCTIMER TMR_START
327#define SEQ_MIDIPUTC 5
328#define SEQ_DRUMON 6 /*** OBSOLETE ***/
329#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/
330#define SEQ_ECHO TMR_ECHO /* For synching programs with output */
331#define SEQ_AFTERTOUCH 9
332#define SEQ_CONTROLLER 10
333
334/*******************************************
335 * Midi controller numbers
336 *******************************************
337 * Controllers 0 to 31 (0x00 to 0x1f) and
338 * 32 to 63 (0x20 to 0x3f) are continuous
339 * controllers.
340 * In the MIDI 1.0 these controllers are sent using
341 * two messages. Controller numbers 0 to 31 are used
342 * to send the MSB and the controller numbers 32 to 63
343 * are for the LSB. Note that just 7 bits are used in MIDI bytes.
344 */
345
346#define CTL_BANK_SELECT 0x00
347#define CTL_MODWHEEL 0x01
348#define CTL_BREATH 0x02
349/* undefined 0x03 */
350#define CTL_FOOT 0x04
351#define CTL_PORTAMENTO_TIME 0x05
352#define CTL_DATA_ENTRY 0x06
353#define CTL_MAIN_VOLUME 0x07
354#define CTL_BALANCE 0x08
355/* undefined 0x09 */
356#define CTL_PAN 0x0a
357#define CTL_EXPRESSION 0x0b
358/* undefined 0x0c */
359/* undefined 0x0d */
360/* undefined 0x0e */
361/* undefined 0x0f */
362#define CTL_GENERAL_PURPOSE1 0x10
363#define CTL_GENERAL_PURPOSE2 0x11
364#define CTL_GENERAL_PURPOSE3 0x12
365#define CTL_GENERAL_PURPOSE4 0x13
366/* undefined 0x14 - 0x1f */
367
368/* undefined 0x20 */
369/* The controller numbers 0x21 to 0x3f are reserved for the */
370/* least significant bytes of the controllers 0x00 to 0x1f. */
371/* These controllers are not recognised by the driver. */
372
373/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */
374/* 0=OFF and 127=ON (intermediate values are possible) */
375#define CTL_DAMPER_PEDAL 0x40
376#define CTL_SUSTAIN 0x40 /* Alias */
377#define CTL_HOLD 0x40 /* Alias */
378#define CTL_PORTAMENTO 0x41
379#define CTL_SOSTENUTO 0x42
380#define CTL_SOFT_PEDAL 0x43
381/* undefined 0x44 */
382#define CTL_HOLD2 0x45
383/* undefined 0x46 - 0x4f */
384
385#define CTL_GENERAL_PURPOSE5 0x50
386#define CTL_GENERAL_PURPOSE6 0x51
387#define CTL_GENERAL_PURPOSE7 0x52
388#define CTL_GENERAL_PURPOSE8 0x53
389/* undefined 0x54 - 0x5a */
390#define CTL_EXT_EFF_DEPTH 0x5b
391#define CTL_TREMOLO_DEPTH 0x5c
392#define CTL_CHORUS_DEPTH 0x5d
393#define CTL_DETUNE_DEPTH 0x5e
394#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */
395#define CTL_PHASER_DEPTH 0x5f
396#define CTL_DATA_INCREMENT 0x60
397#define CTL_DATA_DECREMENT 0x61
398#define CTL_NONREG_PARM_NUM_LSB 0x62
399#define CTL_NONREG_PARM_NUM_MSB 0x63
400#define CTL_REGIST_PARM_NUM_LSB 0x64
401#define CTL_REGIST_PARM_NUM_MSB 0x65
402/* undefined 0x66 - 0x78 */
403/* reserved 0x79 - 0x7f */
404
405/* Pseudo controllers (not midi compatible) */
406#define CTRL_PITCH_BENDER 255
407#define CTRL_PITCH_BENDER_RANGE 254
408#define CTRL_EXPRESSION 253 /* Obsolete */
409#define CTRL_MAIN_VOLUME 252 /* Obsolete */
410#define SEQ_BALANCE 11
411#define SEQ_VOLMODE 12
412
413/*
414 * Volume mode decides how volumes are used
415 */
416
417#define VOL_METHOD_ADAGIO 1
418#define VOL_METHOD_LINEAR 2
419
420/*
421 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
422 * input events.
423 */
424
425/*
426 * Event codes 0xf0 to 0xfc are reserved for future extensions.
427 */
428
429#define SEQ_FULLSIZE 0xfd /* Long events */
430/*
431 * SEQ_FULLSIZE events are used for loading patches/samples to the
432 * synthesizer devices. These events are passed directly to the driver
433 * of the associated synthesizer device. There is no limit to the size
434 * of the extended events. These events are not queued but executed
435 * immediately when the write() is called (execution can take several
436 * seconds of time).
437 *
438 * When a SEQ_FULLSIZE message is written to the device, it must
439 * be written using exactly one write() call. Other events cannot
440 * be mixed to the same write.
441 *
442 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the
443 * /dev/sequencer. Don't write other data together with the instrument structure
444 * Set the key field of the structure to FM_PATCH. The device field is used to
445 * route the patch to the corresponding device.
446 *
447 * For wave table use struct patch_info. Initialize the key field
448 * to WAVE_PATCH.
449 */
450#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
451#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
452
453/*
454 * Record for FM patches
455 */
456
457typedef unsigned char sbi_instr_data[32];
458
459struct sbi_instrument {
460 unsigned short key; /* FM_PATCH or OPL3_PATCH */
461#define FM_PATCH _PATCHKEY(0x01)
462#define OPL3_PATCH _PATCHKEY(0x03)
463 short device; /* Synth# (0-4) */
464 int channel; /* Program# to be initialized */
465 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */
466 };
467
468struct synth_info { /* Read only */
469 char name[30];
470 int device; /* 0-N. INITIALIZE BEFORE CALLING */
471 int synth_type;
472#define SYNTH_TYPE_FM 0
473#define SYNTH_TYPE_SAMPLE 1
474#define SYNTH_TYPE_MIDI 2 /* Midi interface */
475
476 int synth_subtype;
477#define FM_TYPE_ADLIB 0x00
478#define FM_TYPE_OPL3 0x01
479#define MIDI_TYPE_MPU401 0x401
480
481#define SAMPLE_TYPE_BASIC 0x10
482#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
483#define SAMPLE_TYPE_WAVEFRONT 0x11
484
485 int perc_mode; /* No longer supported */
486 int nr_voices;
487 int nr_drums; /* Obsolete field */
488 int instr_bank_size;
489 unsigned int capabilities;
490#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */
491#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */
492#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */
493 int dummies[19]; /* Reserve space */
494 };
495
496struct sound_timer_info {
497 char name[32];
498 int caps;
499 };
500
501#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
502
503struct midi_info {
504 char name[30];
505 int device; /* 0-N. INITIALIZE BEFORE CALLING */
506 unsigned int capabilities; /* To be defined later */
507 int dev_type;
508 int dummies[18]; /* Reserve space */
509 };
510
511/********************************************
512 * ioctl commands for the /dev/midi##
513 */
514typedef struct {
515 unsigned char cmd;
516 char nr_args, nr_returns;
517 unsigned char data[30];
518 } mpu_command_rec;
519
520#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int)
521#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int)
522#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec)
523
524/********************************************
525 * IOCTL commands for /dev/dsp and /dev/audio
526 */
527
528#define SNDCTL_DSP_RESET _SIO ('P', 0)
529#define SNDCTL_DSP_SYNC _SIO ('P', 1)
530#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int)
531#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int)
532#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int)
533#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT
534#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int)
535#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS
536#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int)
537#define SNDCTL_DSP_POST _SIO ('P', 8)
538#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int)
539#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int)
540
541/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */
542#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */
543#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/
544# define AFMT_QUERY 0x00000000 /* Return current fmt */
545# define AFMT_MU_LAW 0x00000001
546# define AFMT_A_LAW 0x00000002
547# define AFMT_IMA_ADPCM 0x00000004
548# define AFMT_U8 0x00000008
549# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
550# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
551# define AFMT_S8 0x00000040
552# define AFMT_U16_LE 0x00000080 /* Little endian U16 */
553# define AFMT_U16_BE 0x00000100 /* Big endian U16 */
554# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
555# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */
556
557/*
558 * Buffer status queries.
559 */
560typedef struct audio_buf_info {
561 int fragments; /* # of available fragments (partially usend ones not counted) */
562 int fragstotal; /* Total # of fragments allocated */
563 int fragsize; /* Size of a fragment in bytes */
564
565 int bytes; /* Available space in bytes (includes partially used fragments) */
566 /* Note! 'bytes' could be more than fragments*fragsize */
567 } audio_buf_info;
568
569#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info)
570#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info)
571#define SNDCTL_DSP_NONBLOCK _SIO ('P',14)
572#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int)
573# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */
574# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */
575# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */
576# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */
577 /* internal buffers which may */
578 /* cause some delays and */
579 /* decrease precision of timing */
580# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */
581 /* Sometimes it's a DSP */
582 /* but usually not */
583# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */
584# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */
585# define DSP_CAP_MULTI 0x00004000 /* support multiple open */
586# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */
587
588
589#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int)
590#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int)
591# define PCM_ENABLE_INPUT 0x00000001
592# define PCM_ENABLE_OUTPUT 0x00000002
593
594typedef struct count_info {
595 int bytes; /* Total # of bytes processed */
596 int blocks; /* # of fragment transitions since last time */
597 int ptr; /* Current DMA pointer value */
598 } count_info;
599
600#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
601#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
602
603typedef struct buffmem_desc {
604 unsigned *buffer;
605 int size;
606 } buffmem_desc;
607#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc)
608#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc)
609#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21)
610#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22)
611#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int)
612
613#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int)
614#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int)
615# define DSP_BIND_QUERY 0x00000000
616# define DSP_BIND_FRONT 0x00000001
617# define DSP_BIND_SURR 0x00000002
618# define DSP_BIND_CENTER_LFE 0x00000004
619# define DSP_BIND_HANDSET 0x00000008
620# define DSP_BIND_MIC 0x00000010
621# define DSP_BIND_MODEM1 0x00000020
622# define DSP_BIND_MODEM2 0x00000040
623# define DSP_BIND_I2S 0x00000080
624# define DSP_BIND_SPDIF 0x00000100
625
626#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int)
627#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int)
628# define SPDIF_PRO 0x0001
629# define SPDIF_N_AUD 0x0002
630# define SPDIF_COPY 0x0004
631# define SPDIF_PRE 0x0008
632# define SPDIF_CC 0x07f0
633# define SPDIF_L 0x0800
634# define SPDIF_DRS 0x4000
635# define SPDIF_V 0x8000
636
637/*
638 * Application's profile defines the way how playback underrun situations should be handled.
639 *
640 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the
641 * playback buffer whenever an underrun occurs. This consumes some time
642 * prevents looping the existing buffer.
643 * APF_CPUINTENS is intended to be set by CPU intensive applications which
644 * are likely to run out of time occasionally. In this mode the buffer cleanup is
645 * disabled which saves CPU time but also let's the previous buffer content to
646 * be played during the "pause" after the underrun.
647 */
648#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int)
649#define APF_NORMAL 0 /* Normal applications */
650#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */
651#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */
652
653#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int)
654#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int)
655#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int)
656#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int)
657
658/* Some alias names */
659#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT
660#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED
661#define SOUND_PCM_POST SNDCTL_DSP_POST
662#define SOUND_PCM_RESET SNDCTL_DSP_RESET
663#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC
664#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE
665#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT
666#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS
667#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT
668#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE
669#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE
670#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK
671#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS
672#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER
673#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER
674#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO
675#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR
676#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR
677#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF
678#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF
679
680/*
681 * ioctl calls to be used in communication with coprocessors and
682 * DSP chips.
683 */
684
685typedef struct copr_buffer {
686 int command; /* Set to 0 if not used */
687 int flags;
688#define CPF_NONE 0x0000
689#define CPF_FIRST 0x0001 /* First block */
690#define CPF_LAST 0x0002 /* Last block */
691 int len;
692 int offs; /* If required by the device (0 if not used) */
693
694 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
695 } copr_buffer;
696
697typedef struct copr_debug_buf {
698 int command; /* Used internally. Set to 0 */
699 int parm1;
700 int parm2;
701 int flags;
702 int len; /* Length of data in bytes */
703 } copr_debug_buf;
704
705typedef struct copr_msg {
706 int len;
707 unsigned char data[4000];
708 } copr_msg;
709
710#define SNDCTL_COPR_RESET _SIO ('C', 0)
711#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer)
712#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf)
713#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf)
714#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf)
715#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf)
716#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf)
717#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf)
718#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg)
719#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg)
720
721/*********************************************
722 * IOCTL commands for /dev/mixer
723 */
724
725/*
726 * Mixer devices
727 *
728 * There can be up to 20 different analog mixer channels. The
729 * SOUND_MIXER_NRDEVICES gives the currently supported maximum.
730 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells
731 * the devices supported by the particular mixer.
732 */
733
734#define SOUND_MIXER_NRDEVICES 25
735#define SOUND_MIXER_VOLUME 0
736#define SOUND_MIXER_BASS 1
737#define SOUND_MIXER_TREBLE 2
738#define SOUND_MIXER_SYNTH 3
739#define SOUND_MIXER_PCM 4
740#define SOUND_MIXER_SPEAKER 5
741#define SOUND_MIXER_LINE 6
742#define SOUND_MIXER_MIC 7
743#define SOUND_MIXER_CD 8
744#define SOUND_MIXER_IMIX 9 /* Recording monitor */
745#define SOUND_MIXER_ALTPCM 10
746#define SOUND_MIXER_RECLEV 11 /* Recording level */
747#define SOUND_MIXER_IGAIN 12 /* Input gain */
748#define SOUND_MIXER_OGAIN 13 /* Output gain */
749/*
750 * The AD1848 codec and compatibles have three line level inputs
751 * (line, aux1 and aux2). Since each card manufacturer have assigned
752 * different meanings to these inputs, it's inpractical to assign
753 * specific meanings (line, cd, synth etc.) to them.
754 */
755#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */
756#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */
757#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */
758#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */
759#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */
760#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */
761#define SOUND_MIXER_PHONEIN 20 /* Phone input */
762#define SOUND_MIXER_PHONEOUT 21 /* Phone output */
763#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */
764#define SOUND_MIXER_RADIO 23 /* Radio in */
765#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */
766
767/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */
768/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */
769#define SOUND_ONOFF_MIN 28
770#define SOUND_ONOFF_MAX 30
771
772/* Note! Number 31 cannot be used since the sign bit is reserved */
773#define SOUND_MIXER_NONE 31
774
775/*
776 * The following unsupported macros are no longer functional.
777 * Use SOUND_MIXER_PRIVATE# macros in future.
778 */
779#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
780#define SOUND_MIXER_MUTE SOUND_MIXER_NONE
781#define SOUND_MIXER_LOUD SOUND_MIXER_NONE
782
783
784#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \
785 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \
786 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \
787 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"}
788
789#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \
790 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \
791 "line1", "line2", "line3", "dig1", "dig2", "dig3", \
792 "phin", "phout", "video", "radio", "monitor"}
793
794/* Device bitmask identifiers */
795
796#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */
797#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */
798#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */
799#define SOUND_MIXER_CAPS 0xfc
800# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */
801#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */
802#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */
803#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */
804
805/* Device mask bits */
806
807#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME)
808#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS)
809#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE)
810#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH)
811#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM)
812#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER)
813#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE)
814#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC)
815#define SOUND_MASK_CD (1 << SOUND_MIXER_CD)
816#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX)
817#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM)
818#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV)
819#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN)
820#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN)
821#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1)
822#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2)
823#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3)
824#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1)
825#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2)
826#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3)
827#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN)
828#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT)
829#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO)
830#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO)
831#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR)
832
833/* Obsolete macros */
834#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE)
835#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE)
836#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD)
837
838#define MIXER_READ(dev) _SIOR('M', dev, int)
839#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME)
840#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS)
841#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE)
842#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH)
843#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM)
844#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER)
845#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE)
846#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC)
847#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD)
848#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX)
849#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM)
850#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV)
851#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN)
852#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN)
853#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1)
854#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2)
855#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3)
856
857/* Obsolete macros */
858#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE)
859#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE)
860#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD)
861
862#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC)
863#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK)
864#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK)
865#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS)
866#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS)
867
868#define MIXER_WRITE(dev) _SIOWR('M', dev, int)
869#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME)
870#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS)
871#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE)
872#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH)
873#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM)
874#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER)
875#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE)
876#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC)
877#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD)
878#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX)
879#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM)
880#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV)
881#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN)
882#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN)
883#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1)
884#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2)
885#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3)
886
887/* Obsolete macros */
888#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE)
889#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE)
890#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD)
891
892#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
893
894typedef struct mixer_info
895{
896 char id[16];
897 char name[32];
898 int modify_counter;
899 int fillers[10];
900} mixer_info;
901
902typedef struct _old_mixer_info /* Obsolete */
903{
904 char id[16];
905 char name[32];
906} _old_mixer_info;
907
908#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
909#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
910
911/*
912 * A mechanism for accessing "proprietary" mixer features. This method
913 * permits passing 128 bytes of arbitrary data between a mixer application
914 * and the mixer driver. Interpretation of the record is defined by
915 * the particular mixer driver.
916 */
917typedef unsigned char mixer_record[128];
918
919#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
920
921/*
922 * Two ioctls for special souncard function
923 */
924#define SOUND_MIXER_AGC _SIOWR('M', 103, int)
925#define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
926
927/*
928 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
929 * These features can be used when accessing device specific features.
930 */
931#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int)
932#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int)
933#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int)
934#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int)
935#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int)
936
937/*
938 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used
939 * for querying current mixer settings from the driver and for loading
940 * default volume settings _prior_ activating the mixer (loading
941 * doesn't affect current state of the mixer hardware). These calls
942 * are for internal use only.
943 */
944
945typedef struct mixer_vol_table {
946 int num; /* Index to volume table */
947 char name[32];
948 int levels[32];
949} mixer_vol_table;
950
951#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
952#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
953
954/*
955 * An ioctl for identifying the driver version. It will return value
956 * of the SOUND_VERSION macro used when compiling the driver.
957 * This call was introduced in OSS version 3.6 and it will not work
958 * with earlier versions (returns EINVAL).
959 */
960#define OSS_GETVERSION _SIOR ('M', 118, int)
961
962/*
963 * Level 2 event types for /dev/sequencer
964 */
965
966/*
967 * The 4 most significant bits of byte 0 specify the class of
968 * the event:
969 *
970 * 0x8X = system level events,
971 * 0x9X = device/port specific events, event[1] = device/port,
972 * The last 4 bits give the subtype:
973 * 0x02 = Channel event (event[3] = chn).
974 * 0x01 = note event (event[4] = note).
975 * (0x01 is not used alone but always with bit 0x02).
976 * event[2] = MIDI message code (0x80=note off etc.)
977 *
978 */
979
980#define EV_SEQ_LOCAL 0x80
981#define EV_TIMING 0x81
982#define EV_CHN_COMMON 0x92
983#define EV_CHN_VOICE 0x93
984#define EV_SYSEX 0x94
985/*
986 * Event types 200 to 220 are reserved for application use.
987 * These numbers will not be used by the driver.
988 */
989
990/*
991 * Events for event type EV_CHN_VOICE
992 */
993
994#define MIDI_NOTEOFF 0x80
995#define MIDI_NOTEON 0x90
996#define MIDI_KEY_PRESSURE 0xA0
997
998/*
999 * Events for event type EV_CHN_COMMON
1000 */
1001
1002#define MIDI_CTL_CHANGE 0xB0
1003#define MIDI_PGM_CHANGE 0xC0
1004#define MIDI_CHN_PRESSURE 0xD0
1005#define MIDI_PITCH_BEND 0xE0
1006
1007#define MIDI_SYSTEM_PREFIX 0xF0
1008
1009/*
1010 * Timer event types
1011 */
1012#define TMR_WAIT_REL 1 /* Time relative to the prev time */
1013#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1014#define TMR_STOP 3
1015#define TMR_START 4
1016#define TMR_CONTINUE 5
1017#define TMR_TEMPO 6
1018#define TMR_ECHO 8
1019#define TMR_CLOCK 9 /* MIDI clock */
1020#define TMR_SPP 10 /* Song position pointer */
1021#define TMR_TIMESIG 11 /* Time signature */
1022
1023/*
1024 * Local event types
1025 */
1026#define LOCL_STARTAUDIO 1
1027
1028#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS)
1029/*
1030 * Some convenience macros to simplify programming of the
1031 * /dev/sequencer interface
1032 *
1033 * These macros define the API which should be used when possible.
1034 */
1035#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1036
1037void seqbuf_dump(void); /* This function must be provided by programs */
1038
1039extern int OSS_init(int seqfd, int buflen);
1040extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen);
1041extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen);
1042extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen);
1043extern void OSS_patch_caching(int dev, int chn, int patch,
1044 int fd, unsigned char *buf, int buflen);
1045extern void OSS_drum_caching(int dev, int chn, int patch,
1046 int fd, unsigned char *buf, int buflen);
1047extern void OSS_write_patch(int fd, unsigned char *buf, int len);
1048extern int OSS_write_patch2(int fd, unsigned char *buf, int len);
1049
1050#define SEQ_PM_DEFINES int __foo_bar___
1051#ifdef OSSLIB
1052# define SEQ_USE_EXTBUF() \
1053 extern unsigned char *_seqbuf; \
1054 extern int _seqbuflen;extern int _seqbufptr
1055# define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len
1056# define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen)
1057# define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen)
1058# define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen)
1059
1060# define SEQ_LOAD_GMINSTR(dev, instr) \
1061 OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen)
1062# define SEQ_LOAD_GMDRUM(dev, drum) \
1063 OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen)
1064#else /* !OSSLIB */
1065
1066# define SEQ_LOAD_GMINSTR(dev, instr)
1067# define SEQ_LOAD_GMDRUM(dev, drum)
1068
1069# define SEQ_USE_EXTBUF() \
1070 extern unsigned char _seqbuf[]; \
1071 extern int _seqbuflen;extern int _seqbufptr
1072
1073#ifndef USE_SIMPLE_MACROS
1074/* Sample seqbuf_dump() implementation:
1075 *
1076 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1077 *
1078 * int seqfd; -- The file descriptor for /dev/sequencer.
1079 *
1080 * void
1081 * seqbuf_dump ()
1082 * {
1083 * if (_seqbufptr)
1084 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1085 * {
1086 * perror ("write /dev/sequencer");
1087 * exit (-1);
1088 * }
1089 * _seqbufptr = 0;
1090 * }
1091 */
1092
1093#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0
1094#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump()
1095#define _SEQ_ADVBUF(len) _seqbufptr += len
1096#define SEQ_DUMPBUF seqbuf_dump
1097#else
1098/*
1099 * This variation of the sequencer macros is used just to format one event
1100 * using fixed buffer.
1101 *
1102 * The program using the macro library must define the following macros before
1103 * using this library.
1104 *
1105 * #define _seqbuf name of the buffer (unsigned char[])
1106 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact
1107 * size of the event, this macro can be used.
1108 * Otherwise this must be defined as empty.
1109 * #define _seqbufptr Define the name of index variable or 0 if
1110 * not required.
1111 */
1112#define _SEQ_NEEDBUF(len) /* empty */
1113#endif
1114#endif /* !OSSLIB */
1115
1116#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\
1117 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1118 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\
1119 _seqbuf[_seqbufptr+2] = (dev);\
1120 _seqbuf[_seqbufptr+3] = (mode);\
1121 _seqbuf[_seqbufptr+4] = 0;\
1122 _seqbuf[_seqbufptr+5] = 0;\
1123 _seqbuf[_seqbufptr+6] = 0;\
1124 _seqbuf[_seqbufptr+7] = 0;\
1125 _SEQ_ADVBUF(8);}
1126
1127/*
1128 * Midi voice messages
1129 */
1130
1131#define _CHN_VOICE(dev, event, chn, note, parm) \
1132 {_SEQ_NEEDBUF(8);\
1133 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\
1134 _seqbuf[_seqbufptr+1] = (dev);\
1135 _seqbuf[_seqbufptr+2] = (event);\
1136 _seqbuf[_seqbufptr+3] = (chn);\
1137 _seqbuf[_seqbufptr+4] = (note);\
1138 _seqbuf[_seqbufptr+5] = (parm);\
1139 _seqbuf[_seqbufptr+6] = (0);\
1140 _seqbuf[_seqbufptr+7] = 0;\
1141 _SEQ_ADVBUF(8);}
1142
1143#define SEQ_START_NOTE(dev, chn, note, vol) \
1144 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1145
1146#define SEQ_STOP_NOTE(dev, chn, note, vol) \
1147 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1148
1149#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1150 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1151
1152/*
1153 * Midi channel messages
1154 */
1155
1156#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
1157 {_SEQ_NEEDBUF(8);\
1158 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\
1159 _seqbuf[_seqbufptr+1] = (dev);\
1160 _seqbuf[_seqbufptr+2] = (event);\
1161 _seqbuf[_seqbufptr+3] = (chn);\
1162 _seqbuf[_seqbufptr+4] = (p1);\
1163 _seqbuf[_seqbufptr+5] = (p2);\
1164 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\
1165 _SEQ_ADVBUF(8);}
1166/*
1167 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits
1168 * sending any MIDI bytes but it's absolutely not possible. Trying to do
1169 * so _will_ cause problems with MPU401 intelligent mode).
1170 *
1171 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be
1172 * sent by calling SEQ_SYSEX() several times (there must be no other events
1173 * between them). First sysex fragment must have 0xf0 in the first byte
1174 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte
1175 * between these sysex start and end markers cannot be larger than 0x7f. Also
1176 * lengths of each fragments (except the last one) must be 6.
1177 *
1178 * Breaking the above rules may work with some MIDI ports but is likely to
1179 * cause fatal problems with some other devices (such as MPU401).
1180 */
1181#define SEQ_SYSEX(dev, buf, len) \
1182 {int ii, ll=(len); \
1183 unsigned char *bufp=buf;\
1184 if (ll>6)ll=6;\
1185 _SEQ_NEEDBUF(8);\
1186 _seqbuf[_seqbufptr] = EV_SYSEX;\
1187 _seqbuf[_seqbufptr+1] = (dev);\
1188 for(ii=0;ii<ll;ii++)\
1189 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\
1190 for(ii=ll;ii<6;ii++)\
1191 _seqbuf[_seqbufptr+ii+2] = 0xff;\
1192 _SEQ_ADVBUF(8);}
1193
1194#define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1195 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
1196
1197#define SEQ_SET_PATCH SEQ_PGM_CHANGE
1198#ifdef OSSLIB
1199# define SEQ_PGM_CHANGE(dev, chn, patch) \
1200 {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \
1201 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);}
1202#else
1203# define SEQ_PGM_CHANGE(dev, chn, patch) \
1204 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0)
1205#endif
1206
1207#define SEQ_CONTROL(dev, chn, controller, value) \
1208 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1209
1210#define SEQ_BENDER(dev, chn, value) \
1211 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
1212
1213
1214#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\
1215 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\
1216 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\
1217 _seqbuf[_seqbufptr+2] = (dev);\
1218 _seqbuf[_seqbufptr+3] = (voice);\
1219 _seqbuf[_seqbufptr+4] = (controller);\
1220 _seqbuf[_seqbufptr+5] = ((value)&0xff);\
1221 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\
1222 _seqbuf[_seqbufptr+7] = 0;\
1223 _SEQ_ADVBUF(8);}
1224/*
1225 * The following 5 macros are incorrectly implemented and obsolete.
1226 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
1227 */
1228#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value)
1229#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value)
1230#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
1231#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
1232#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
1233
1234/*
1235 * Timing and syncronization macros
1236 */
1237
1238#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1239 _seqbuf[_seqbufptr+0] = EV_TIMING; \
1240 _seqbuf[_seqbufptr+1] = (ev); \
1241 _seqbuf[_seqbufptr+2] = 0;\
1242 _seqbuf[_seqbufptr+3] = 0;\
1243 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1244 _SEQ_ADVBUF(8);}
1245
1246#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0)
1247#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0)
1248#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0)
1249#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks)
1250#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks)
1251#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key)
1252#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value)
1253#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos)
1254#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig)
1255
1256/*
1257 * Local control events
1258 */
1259
1260#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\
1261 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \
1262 _seqbuf[_seqbufptr+1] = (ev); \
1263 _seqbuf[_seqbufptr+2] = 0;\
1264 _seqbuf[_seqbufptr+3] = 0;\
1265 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \
1266 _SEQ_ADVBUF(8);}
1267
1268#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1269/*
1270 * Events for the level 1 interface only
1271 */
1272
1273#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\
1274 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\
1275 _seqbuf[_seqbufptr+1] = (byte);\
1276 _seqbuf[_seqbufptr+2] = (device);\
1277 _seqbuf[_seqbufptr+3] = 0;\
1278 _SEQ_ADVBUF(4);}
1279
1280/*
1281 * Patch loading.
1282 */
1283#ifdef OSSLIB
1284# define SEQ_WRPATCH(patchx, len) \
1285 OSS_write_patch(seqfd, (char*)(patchx), len)
1286# define SEQ_WRPATCH2(patchx, len) \
1287 OSS_write_patch2(seqfd, (char*)(patchx), len)
1288#else
1289# define SEQ_WRPATCH(patchx, len) \
1290 {if (_seqbufptr) SEQ_DUMPBUF();\
1291 if (write(seqfd, (char*)(patchx), len)==-1) \
1292 perror("Write patch: /dev/sequencer");}
1293# define SEQ_WRPATCH2(patchx, len) \
1294 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len))
1295#endif
1296
1297#endif
1298#endif
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