2 * Copyright by Hannu Savolainen 1993-1997
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.
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
24 #ifndef _UAPISOUNDCARD_H
25 #define _UAPISOUNDCARD_H
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.
36 #define SOUND_VERSION 0x030802
37 #define OPEN_SOUND_SYSTEM
39 /* In Linux we need to be prepared for cross compiling */
40 #include <linux/ioctl.h>
48 * Supported card ID numbers (Should be somewhere else?)
51 #define SNDCARD_ADLIB 1
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. */
79 /***********************************
80 * IOCTL Commands for /dev/sequencer
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
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.
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
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)
151 typedef struct synth_control
153 int devno; /* Synthesizer # */
154 char data[4000]; /* Device spesific command/data record */
157 typedef struct remove_sample
159 int devno; /* Synthesizer # */
160 int bankno; /* MIDI bank # (0=General MIDI) */
161 int instrno; /* MIDI instrument number */
164 typedef struct seq_event_rec {
165 unsigned char arr[8];
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)
184 * Some big endian/little endian handling macros
187 #define _LINUX_PATCHKEY_H_INDIRECT
188 #include <linux/patchkey.h>
189 #undef _LINUX_PATCHKEY_H_INDIRECT
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
198 # error "could not determine byte order"
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.
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.
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)
219 short device_no; /* Synthesizer number */
220 short instr_no; /* Midi pgm# */
224 * The least significant byte has the same format than the GUS .PAT
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 */
242 #define WAVE_ROM 0x40000000 /* For future use */
243 #define WAVE_MULAW 0x20000000 /* For future use */
244 /* Other bits must be zeroed */
246 int len; /* Size of the wave data in bytes */
247 int loop_start, loop_end; /* Byte offsets from the beginning */
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
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.
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.
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 */
272 /* New fields introduced in version 1.99.5 */
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% */
279 * The tremolo, vibrato and scale info are not supported yet.
280 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or
284 unsigned char tremolo_sweep;
285 unsigned char tremolo_rate;
286 unsigned char tremolo_depth;
288 unsigned char vibrato_sweep;
289 unsigned char vibrato_rate;
290 unsigned char vibrato_depth;
293 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */
299 char data[1]; /* The waveform data starts here */
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 */
312 * /dev/sequencer input events.
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.
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.
325 * The events are documented at the end of this file.
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.
331 #define SEQ_NOTEOFF 0
332 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */
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
346 /*******************************************
347 * Midi controller numbers
348 *******************************************
349 * Controllers 0 to 31 (0x00 to 0x1f) and
350 * 32 to 63 (0x20 to 0x3f) are continuous
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.
358 #define CTL_BANK_SELECT 0x00
359 #define CTL_MODWHEEL 0x01
360 #define CTL_BREATH 0x02
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
369 #define CTL_EXPRESSION 0x0b
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 */
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. */
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
394 #define CTL_HOLD2 0x45
395 /* undefined 0x46 - 0x4f */
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 */
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
426 * Volume mode decides how volumes are used
429 #define VOL_METHOD_ADAGIO 1
430 #define VOL_METHOD_LINEAR 2
433 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as
438 * Event codes 0xf0 to 0xfc are reserved for future extensions.
441 #define SEQ_FULLSIZE 0xfd /* Long events */
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
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.
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.
459 * For wave table use struct patch_info. Initialize the key field
462 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */
463 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */
466 * Record for FM patches
469 typedef unsigned char sbi_instr_data[32];
471 struct 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) */
480 struct synth_info { /* Read only */
482 int device; /* 0-N. INITIALIZE BEFORE CALLING */
484 #define SYNTH_TYPE_FM 0
485 #define SYNTH_TYPE_SAMPLE 1
486 #define SYNTH_TYPE_MIDI 2 /* Midi interface */
489 #define FM_TYPE_ADLIB 0x00
490 #define FM_TYPE_OPL3 0x01
491 #define MIDI_TYPE_MPU401 0x401
493 #define SAMPLE_TYPE_BASIC 0x10
494 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC
495 #define SAMPLE_TYPE_WAVEFRONT 0x11
497 int perc_mode; /* No longer supported */
499 int nr_drums; /* Obsolete field */
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 */
508 struct sound_timer_info {
513 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */
517 int device; /* 0-N. INITIALIZE BEFORE CALLING */
518 unsigned int capabilities; /* To be defined later */
520 int dummies[18]; /* Reserve space */
523 /********************************************
524 * ioctl commands for the /dev/midi##
528 char nr_args, nr_returns;
529 unsigned char data[30];
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)
536 /********************************************
537 * IOCTL commands for /dev/dsp and /dev/audio
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)
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 */
570 * Buffer status queries.
572 typedef 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 */
577 int bytes; /* Available space in bytes (includes partially used fragments) */
578 /* Note! 'bytes' could be more than fragments*fragsize */
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 */
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
606 typedef 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 */
612 #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info)
613 #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info)
615 typedef struct 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)
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
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
650 * Application's profile defines the way how playback underrun situations should be handled.
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.
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 */
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)
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
693 * ioctl calls to be used in communication with coprocessors and
697 typedef struct copr_buffer {
698 int command; /* Set to 0 if not used */
700 #define CPF_NONE 0x0000
701 #define CPF_FIRST 0x0001 /* First block */
702 #define CPF_LAST 0x0002 /* Last block */
704 int offs; /* If required by the device (0 if not used) */
706 unsigned char data[4000]; /* NOTE! 4000 is not 4k */
709 typedef struct copr_debug_buf {
710 int command; /* Used internally. Set to 0 */
714 int len; /* Length of data in bytes */
717 typedef struct copr_msg {
719 unsigned char data[4000];
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)
733 /*********************************************
734 * IOCTL commands for /dev/mixer
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.
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 */
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.
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 */
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
784 /* Note! Number 31 cannot be used since the sign bit is reserved */
785 #define SOUND_MIXER_NONE 31
788 * The following unsupported macros are no longer functional.
789 * Use SOUND_MIXER_PRIVATE# macros in future.
791 #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE
792 #define SOUND_MIXER_MUTE SOUND_MIXER_NONE
793 #define SOUND_MIXER_LOUD SOUND_MIXER_NONE
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"}
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"}
806 /* Device bitmask identifiers */
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 */
817 /* Device mask bits */
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)
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)
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)
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)
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)
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)
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)
904 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC)
906 typedef struct mixer_info
914 typedef struct _old_mixer_info /* Obsolete */
920 #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info)
921 #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info)
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.
929 typedef unsigned char mixer_record[128];
931 #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record)
934 * Two ioctls for special souncard function
936 #define SOUND_MIXER_AGC _SIOWR('M', 103, int)
937 #define SOUND_MIXER_3DSE _SIOWR('M', 104, int)
940 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers.
941 * These features can be used when accessing device specific features.
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)
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.
957 typedef struct mixer_vol_table {
958 int num; /* Index to volume table */
963 #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table)
964 #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table)
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).
972 #define OSS_GETVERSION _SIOR ('M', 118, int)
975 * Level 2 event types for /dev/sequencer
979 * The 4 most significant bits of byte 0 specify the class of
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.)
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
998 * Event types 200 to 220 are reserved for application use.
999 * These numbers will not be used by the driver.
1003 * Events for event type EV_CHN_VOICE
1006 #define MIDI_NOTEOFF 0x80
1007 #define MIDI_NOTEON 0x90
1008 #define MIDI_KEY_PRESSURE 0xA0
1011 * Events for event type EV_CHN_COMMON
1014 #define MIDI_CTL_CHANGE 0xB0
1015 #define MIDI_PGM_CHANGE 0xC0
1016 #define MIDI_CHN_PRESSURE 0xD0
1017 #define MIDI_PITCH_BEND 0xE0
1019 #define MIDI_SYSTEM_PREFIX 0xF0
1024 #define TMR_WAIT_REL 1 /* Time relative to the prev time */
1025 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */
1028 #define TMR_CONTINUE 5
1031 #define TMR_CLOCK 9 /* MIDI clock */
1032 #define TMR_SPP 10 /* Song position pointer */
1033 #define TMR_TIMESIG 11 /* Time signature */
1038 #define LOCL_STARTAUDIO 1
1040 #if !defined(__KERNEL__) || defined(USE_SEQ_MACROS)
1042 * Some convenience macros to simplify programming of the
1043 * /dev/sequencer interface
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.
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
1054 * We redefine the extern keyword so that usr/include/headers_check.pl
1055 * does not complain about SEQ_USE_EXTBUF.
1057 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF()
1059 void seqbuf_dump(void); /* This function must be provided by programs */
1061 #define SEQ_PM_DEFINES int __foo_bar___
1063 #define SEQ_LOAD_GMINSTR(dev, instr)
1064 #define SEQ_LOAD_GMDRUM(dev, drum)
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
1071 #ifndef USE_SIMPLE_MACROS
1072 /* Sample seqbuf_dump() implementation:
1074 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes
1076 * int seqfd; -- The file descriptor for /dev/sequencer.
1082 * if (write (seqfd, _seqbuf, _seqbufptr) == -1)
1084 * perror ("write /dev/sequencer");
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
1097 * This variation of the sequencer macros is used just to format one event
1098 * using fixed buffer.
1100 * The program using the macro library must define the following macros before
1101 * using this library.
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
1110 #define _SEQ_NEEDBUF(len) /* empty */
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;\
1125 * Midi voice messages
1128 #define _CHN_VOICE(dev, event, chn, note, parm) \
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;\
1140 #define SEQ_START_NOTE(dev, chn, note, vol) \
1141 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol)
1143 #define SEQ_STOP_NOTE(dev, chn, note, vol) \
1144 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol)
1146 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \
1147 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure)
1150 * Midi channel messages
1153 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \
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);\
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).
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.
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).
1178 #define SEQ_SYSEX(dev, buf, len) \
1179 {int ii, ll=(len); \
1180 unsigned char *bufp=buf;\
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;\
1191 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \
1192 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0)
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)
1198 #define SEQ_CONTROL(dev, chn, controller, value) \
1199 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value)
1201 #define SEQ_BENDER(dev, chn, value) \
1202 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value)
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;\
1216 * The following 5 macros are incorrectly implemented and obsolete.
1217 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead.
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)
1226 * Timing and synchronization macros
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); \
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)
1248 * Local control events
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); \
1259 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask)
1261 * Events for the level 1 interface only
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;\
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))
1282 #endif /* _UAPISOUNDCARD_H */