soundcard.h revision 45240
1/* 2 * soundcard.h 3 * 4 * Copyright by Hannu Savolainen 1993 5 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef SOUNDCARD_H 32#define SOUNDCARD_H 33 /* 34 * If you make modifications to this file, please contact me before 35 * distributing the modified version. There is already enough 36 * diversity in the world. 37 * 38 * Regards, 39 * Hannu Savolainen 40 * hannu@voxware.pp.fi 41 * 42 ********************************************************************** 43 * PS. The Hacker's Guide to VoxWare available from 44 * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is 45 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 46 * some useful information about programming with VoxWare. 47 * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have 48 * to cd inside them before the files are accessible.) 49 ********************************************************************** 50 */ 51 52/* 53 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 54 * should not depend on it, but rather look at the capabilities 55 * of the driver in the kernel! 56 */ 57#define SOUND_VERSION 301 58#define VOXWARE /* does this have any use ? */ 59 60/* 61 * Supported card ID numbers (Should be somewhere else? We keep 62 * them here just for compativility with the old driver, but these 63 * constants are of little or no use). 64 */ 65 66#define SNDCARD_ADLIB 1 67#define SNDCARD_SB 2 68#define SNDCARD_PAS 3 69#define SNDCARD_GUS 4 70#define SNDCARD_MPU401 5 71#define SNDCARD_SB16 6 72#define SNDCARD_SB16MIDI 7 73#define SNDCARD_UART6850 8 74#define SNDCARD_GUS16 9 75#define SNDCARD_MSS 10 76#define SNDCARD_PSS 11 77#define SNDCARD_SSCAPE 12 78#define SNDCARD_PSS_MPU 13 79#define SNDCARD_PSS_MSS 14 80#define SNDCARD_SSCAPE_MSS 15 81#define SNDCARD_TRXPRO 16 82#define SNDCARD_TRXPRO_SB 17 83#define SNDCARD_TRXPRO_MPU 18 84#define SNDCARD_MAD16 19 85#define SNDCARD_MAD16_MPU 20 86#define SNDCARD_CS4232 21 87#define SNDCARD_CS4232_MPU 22 88#define SNDCARD_MAUI 23 89#define SNDCARD_PSEUDO_MSS 24 90#define SNDCARD_AWE32 25 91#define SNDCARD_NSS 26 92 93#include <sys/types.h> 94#ifndef _IOWR 95#include <sys/ioccom.h> 96#endif /* !_IOWR */ 97 98/* 99 * The first part of this file contains the new FreeBSD sound ioctl 100 * interface. Tries to minimize the number of different ioctls, and 101 * to be reasonably general. 102 * 103 * 970821: some of the new calls have not been implemented yet. 104 */ 105 106/* 107 * the following three calls extend the generic file descriptor 108 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 109 * number of bytes for a write operation to be non-blocking. 110 * 111 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 112 * from a character device (default) to a block device. In block mode, 113 * (not to be confused with blocking mode) the main difference for the 114 * application is that select() will return only when a complete 115 * block can be read/written to the device, whereas in character mode 116 * select will return true when one byte can be exchanged. For audio 117 * devices, character mode makes select almost useless since one byte 118 * will always be ready by the next sample time (which is often only a 119 * handful of microseconds away). 120 * Use a size of 0 or 1 to return to character mode. 121 */ 122#define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 123struct snd_size { 124 int play_size; 125 int rec_size; 126}; 127#define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 128#define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 129 130/* 131 * The following constants define supported audio formats. The 132 * encoding follows voxware conventions, i.e. 1 bit for each supported 133 * format. We extend it by using bit 31 (RO) to indicate full-duplex 134 * capability, and bit 29 (RO) to indicate that the card supports/ 135 * needs different formats on capture & playback channels. 136 * Bit 29 (RW) is used to indicate/ask stereo. 137 */ 138 139# define AFMT_QUERY 0x00000000 /* Return current fmt */ 140# define AFMT_MU_LAW 0x00000001 141# define AFMT_A_LAW 0x00000002 142# define AFMT_IMA_ADPCM 0x00000004 143# define AFMT_U8 0x00000008 144# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 145# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 146# define AFMT_S8 0x00000040 147# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 148# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 149# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 150 151# define AFMT_STEREO 0x10000000 /* can do/want stereo */ 152 153/* 154 * the following are really capabilities 155 */ 156# define AFMT_WEIRD 0x20000000 /* weird hardware... */ 157 /* 158 * AFMT_WEIRD reports that the hardware might need to operate 159 * with different formats in the playback and capture 160 * channels when operating in full duplex. 161 * As an example, SoundBlaster16 cards only support U8 in one 162 * direction and S16 in the other one, and applications should 163 * be aware of this limitation. 164 */ 165# define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 166 167/* 168 * The following structure is used to get/set format and sampling rate. 169 * While it would be better to have things such as stereo, bits per 170 * sample, endiannes, etc split in different variables, it turns out 171 * that formats are not that many, and not all combinations are possible. 172 * So we followed the Voxware approach of associating one bit to each 173 * format. 174 */ 175 176typedef struct _snd_chan_param { 177 u_long play_rate; /* sampling rate */ 178 u_long rec_rate; /* sampling rate */ 179 u_long play_format; /* everything describing the format */ 180 u_long rec_format; /* everything describing the format */ 181} snd_chan_param; 182#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 183#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 184 185/* 186 * The following structure is used to get/set the mixer setting. 187 * Up to 32 mixers are supported, each one with up to 32 channels. 188 */ 189typedef struct _snd_mix_param { 190 u_char subdev; /* which output */ 191 u_char line; /* which input */ 192 u_char left,right; /* volumes, 0..255, 0 = mute */ 193} snd_mix_param ; 194 195/* XXX AIOGMIX, AIOSMIX not implemented yet */ 196#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 197#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 198 199/* 200 * channel specifiers used in AIOSTOP and AIOSYNC 201 */ 202#define AIOSYNC_PLAY 0x1 /* play chan */ 203#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 204/* AIOSTOP stop & flush a channel, returns the residual count */ 205#define AIOSTOP _IOWR ('A', 15, int) 206 207/* alternate method used to notify the sync condition */ 208#define AIOSYNC_SIGNAL 0x100 209#define AIOSYNC_SELECT 0x200 210 211/* what the 'pos' field refers to */ 212#define AIOSYNC_READY 0x400 213#define AIOSYNC_FREE 0x800 214 215typedef struct _snd_sync_parm { 216 long chan ; /* play or capture channel, plus modifier */ 217 long pos; 218} snd_sync_parm; 219#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 220 221/* 222 * The following is used to return device capabilities. If the structure 223 * passed to the ioctl is zeroed, default values are returned for rate 224 * and formats, a bitmap of available mixers is returned, and values 225 * (inputs, different levels) for the first one are returned. 226 * 227 * If formats, mixers, inputs are instantiated, then detailed info 228 * are returned depending on the call. 229 */ 230typedef struct _snd_capabilities { 231 u_long rate_min, rate_max; /* min-max sampling rate */ 232 u_long formats; 233 u_long bufsize; /* DMA buffer size */ 234 u_long mixers; /* bitmap of available mixers */ 235 u_long inputs; /* bitmap of available inputs (per mixer) */ 236 u_short left, right; /* how many levels are supported */ 237} snd_capabilities; 238#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 239 240/* 241 * here is the old (Voxware) ioctl interface 242 */ 243 244/* 245 * IOCTL Commands for /dev/sequencer 246 */ 247 248#define SNDCTL_SEQ_RESET _IO ('Q', 0) 249#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 250#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 251#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 252#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 253#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 254#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 255#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 256#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 257#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 258#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 259#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 260#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 261#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 262#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 263#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 264#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 265#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 266#define SNDCTL_SEQ_PANIC _IO ('Q',17) 267#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 268 269struct seq_event_rec { 270 u_char arr[8]; 271}; 272 273#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 274#define SNDCTL_TMR_START _IO ('T', 2) 275#define SNDCTL_TMR_STOP _IO ('T', 3) 276#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 277#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 278#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 279# define TMR_INTERNAL 0x00000001 280# define TMR_EXTERNAL 0x00000002 281# define TMR_MODE_MIDI 0x00000010 282# define TMR_MODE_FSK 0x00000020 283# define TMR_MODE_CLS 0x00000040 284# define TMR_MODE_SMPTE 0x00000080 285#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 286#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 287 288/* 289 * Endian aware patch key generation algorithm. 290 */ 291 292#if defined(_AIX) || defined(AIX) 293# define _PATCHKEY(id) (0xfd00|id) 294#else 295# define _PATCHKEY(id) ((id<<8)|0xfd) 296#endif 297 298/* 299 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 300 * The following patch_info structure has been designed to support 301 * Gravis UltraSound. It tries to be universal format for uploading 302 * sample based patches but is probably too limited. 303 */ 304 305struct patch_info { 306/* u_short key; Use GUS_PATCH here */ 307 short key; /* Use GUS_PATCH here */ 308#define GUS_PATCH _PATCHKEY(0x04) 309#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 310 311 short device_no; /* Synthesizer number */ 312 short instr_no; /* Midi pgm# */ 313 314 u_long mode; 315/* 316 * The least significant byte has the same format than the GUS .PAT 317 * files 318 */ 319#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 320#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 321#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 322#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 323#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 324#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 325#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 326 /* (use the env_rate/env_offs fields). */ 327/* Linux specific bits */ 328#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 329#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 330#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 331/* Other bits must be zeroed */ 332 333 long len; /* Size of the wave data in bytes */ 334 long loop_start, loop_end; /* Byte offsets from the beginning */ 335 336/* 337 * The base_freq and base_note fields are used when computing the 338 * playback speed for a note. The base_note defines the tone frequency 339 * which is heard if the sample is played using the base_freq as the 340 * playback speed. 341 * 342 * The low_note and high_note fields define the minimum and maximum note 343 * frequencies for which this sample is valid. It is possible to define 344 * more than one samples for a instrument number at the same time. The 345 * low_note and high_note fields are used to select the most suitable one. 346 * 347 * The fields base_note, high_note and low_note should contain 348 * the note frequency multiplied by 1000. For example value for the 349 * middle A is 440*1000. 350 */ 351 352 u_int base_freq; 353 u_long base_note; 354 u_long high_note; 355 u_long low_note; 356 int panning; /* -128=left, 127=right */ 357 int detuning; 358 359/* New fields introduced in version 1.99.5 */ 360 361 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 362 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 363 u_char env_offset[ 6 ]; /* 255 == 100% */ 364 365 /* 366 * The tremolo, vibrato and scale info are not supported yet. 367 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 368 * WAVE_SCALE 369 */ 370 371 u_char tremolo_sweep; 372 u_char tremolo_rate; 373 u_char tremolo_depth; 374 375 u_char vibrato_sweep; 376 u_char vibrato_rate; 377 u_char vibrato_depth; 378 379 int scale_frequency; 380 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 381 382 int volume; 383 int spare[4]; 384 char data[1]; /* The waveform data starts here */ 385}; 386 387struct sysex_info { 388 short key; /* Use GUS_PATCH here */ 389#define SYSEX_PATCH _PATCHKEY(0x05) 390#define MAUI_PATCH _PATCHKEY(0x06) 391 short device_no; /* Synthesizer number */ 392 long len; /* Size of the sysex data in bytes */ 393 u_char data[1]; /* Sysex data starts here */ 394}; 395 396/* 397 * Patch management interface (/dev/sequencer, /dev/patmgr#) 398 * Don't use these calls if you want to maintain compatibility with 399 * the future versions of the driver. 400 */ 401 402#define PS_NO_PATCHES 0 /* No patch support on device */ 403#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 404#define PS_MGR_OK 2 /* Patch manager supported */ 405#define PS_MANAGED 3 /* Patch manager running */ 406 407#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 408 409/* 410 * The patmgr_info is a fixed size structure which is used for two 411 * different purposes. The intended use is for communication between 412 * the application using /dev/sequencer and the patch manager daemon 413 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 414 * 415 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 416 * a patch manager daemon to read and write device parameters. This 417 * ioctl available through /dev/sequencer also. Avoid using it since it's 418 * extremely hardware dependent. In addition access trough /dev/sequencer 419 * may confuse the patch manager daemon. 420 */ 421 422struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 423 u_long key; /* Don't worry. Reserved for communication 424 between the patch manager and the driver. */ 425#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 426#define PM_K_COMMAND 2 /* Request from a application */ 427#define PM_K_RESPONSE 3 /* From patmgr to application */ 428#define PM_ERROR 4 /* Error returned by the patmgr */ 429 int device; 430 int command; 431 432/* 433 * Commands 0x000 to 0xfff reserved for patch manager programs 434 */ 435#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 436#define PMTYPE_FM2 1 /* 2 OP fm */ 437#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 438#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 439#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 440#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 441#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 442#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 443#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 444#define PM_READ_PATCH 7 /* Read patch (wave) data */ 445#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 446 447/* 448 * Commands 0x1000 to 0xffff are for communication between the patch manager 449 * and the client 450 */ 451#define _PM_LOAD_PATCH 0x100 452 453/* 454 * Commands above 0xffff reserved for device specific use 455 */ 456 457 long parm1; 458 long parm2; 459 long parm3; 460 461 union { 462 u_char data8[4000]; 463 u_short data16[2000]; 464 u_long data32[1000]; 465 struct patch_info patch; 466 } data; 467}; 468 469/* 470 * When a patch manager daemon is present, it will be informed by the 471 * driver when something important happens. For example when the 472 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 473 * returned. The command field contains the event type: 474 */ 475#define PM_E_OPENED 1 /* /dev/sequencer opened */ 476#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 477#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 478#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 479 480/* 481 * /dev/sequencer input events. 482 * 483 * The data written to the /dev/sequencer is a stream of events. Events 484 * are records of 4 or 8 bytes. The first byte defines the size. 485 * Any number of events can be written with a write call. There 486 * is a set of macros for sending these events. Use these macros if you 487 * want to maximize portability of your program. 488 * 489 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 490 * (All input events are currently 4 bytes long. Be prepared to support 491 * 8 byte events also. If you receive any event having first byte >= 128, 492 * it's a 8 byte event. 493 * 494 * The events are documented at the end of this file. 495 * 496 * Normal events (4 bytes) 497 * There is also a 8 byte version of most of the 4 byte events. The 498 * 8 byte one is recommended. 499 */ 500#define SEQ_NOTEOFF 0 501#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 502#define SEQ_NOTEON 1 503#define SEQ_FMNOTEON SEQ_NOTEON 504#define SEQ_WAIT TMR_WAIT_ABS 505#define SEQ_PGMCHANGE 3 506#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 507#define SEQ_SYNCTIMER TMR_START 508#define SEQ_MIDIPUTC 5 509#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 510#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 511#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 512#define SEQ_AFTERTOUCH 9 513#define SEQ_CONTROLLER 10 514 515/* 516 * Midi controller numbers 517 * 518 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 519 * are continuous controllers. 520 * In the MIDI 1.0 these controllers are sent using two messages. 521 * Controller numbers 0 to 31 are used to send the MSB and the 522 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 523 * are used in MIDI bytes. 524 */ 525 526#define CTL_BANK_SELECT 0x00 527#define CTL_MODWHEEL 0x01 528#define CTL_BREATH 0x02 529/* undefined 0x03 */ 530#define CTL_FOOT 0x04 531#define CTL_PORTAMENTO_TIME 0x05 532#define CTL_DATA_ENTRY 0x06 533#define CTL_MAIN_VOLUME 0x07 534#define CTL_BALANCE 0x08 535/* undefined 0x09 */ 536#define CTL_PAN 0x0a 537#define CTL_EXPRESSION 0x0b 538/* undefined 0x0c - 0x0f */ 539#define CTL_GENERAL_PURPOSE1 0x10 540#define CTL_GENERAL_PURPOSE2 0x11 541#define CTL_GENERAL_PURPOSE3 0x12 542#define CTL_GENERAL_PURPOSE4 0x13 543/* undefined 0x14 - 0x1f */ 544 545/* undefined 0x20 */ 546 547/* 548 * The controller numbers 0x21 to 0x3f are reserved for the 549 * least significant bytes of the controllers 0x00 to 0x1f. 550 * These controllers are not recognised by the driver. 551 * 552 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 553 * 0=OFF and 127=ON (intermediate values are possible) 554 */ 555#define CTL_DAMPER_PEDAL 0x40 556#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 557#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 558#define CTL_PORTAMENTO 0x41 559#define CTL_SOSTENUTO 0x42 560#define CTL_SOFT_PEDAL 0x43 561/* undefined 0x44 */ 562#define CTL_HOLD2 0x45 563/* undefined 0x46 - 0x4f */ 564 565#define CTL_GENERAL_PURPOSE5 0x50 566#define CTL_GENERAL_PURPOSE6 0x51 567#define CTL_GENERAL_PURPOSE7 0x52 568#define CTL_GENERAL_PURPOSE8 0x53 569/* undefined 0x54 - 0x5a */ 570#define CTL_EXT_EFF_DEPTH 0x5b 571#define CTL_TREMOLO_DEPTH 0x5c 572#define CTL_CHORUS_DEPTH 0x5d 573#define CTL_DETUNE_DEPTH 0x5e 574#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 575#define CTL_PHASER_DEPTH 0x5f 576#define CTL_DATA_INCREMENT 0x60 577#define CTL_DATA_DECREMENT 0x61 578#define CTL_NONREG_PARM_NUM_LSB 0x62 579#define CTL_NONREG_PARM_NUM_MSB 0x63 580#define CTL_REGIST_PARM_NUM_LSB 0x64 581#define CTL_REGIST_PARM_NUM_MSB 0x65 582/* undefined 0x66 - 0x78 */ 583/* reserved 0x79 - 0x7f */ 584 585/* Pseudo controllers (not midi compatible) */ 586#define CTRL_PITCH_BENDER 255 587#define CTRL_PITCH_BENDER_RANGE 254 588#define CTRL_EXPRESSION 253 /* Obsolete */ 589#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 590 591#define SEQ_BALANCE 11 592#define SEQ_VOLMODE 12 593 594/* 595 * Volume mode decides how volumes are used 596 */ 597 598#define VOL_METHOD_ADAGIO 1 599#define VOL_METHOD_LINEAR 2 600 601/* 602 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 603 * input events. 604 */ 605 606/* 607 * Event codes 0xf0 to 0xfc are reserved for future extensions. 608 */ 609 610#define SEQ_FULLSIZE 0xfd /* Long events */ 611/* 612 * SEQ_FULLSIZE events are used for loading patches/samples to the 613 * synthesizer devices. These events are passed directly to the driver 614 * of the associated synthesizer device. There is no limit to the size 615 * of the extended events. These events are not queued but executed 616 * immediately when the write() is called (execution can take several 617 * seconds of time). 618 * 619 * When a SEQ_FULLSIZE message is written to the device, it must 620 * be written using exactly one write() call. Other events cannot 621 * be mixed to the same write. 622 * 623 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 624 * it to the /dev/sequencer. Don't write other data together with 625 * the instrument structure Set the key field of the structure to 626 * FM_PATCH. The device field is used to route the patch to the 627 * corresponding device. 628 * 629 * For Gravis UltraSound use struct patch_info. Initialize the key field 630 * to GUS_PATCH. 631 */ 632#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 633#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 634 635/* 636 * Record for FM patches 637 */ 638 639typedef u_char sbi_instr_data[32]; 640 641struct sbi_instrument { 642 u_short key; /* FM_PATCH or OPL3_PATCH */ 643#define FM_PATCH _PATCHKEY(0x01) 644#define OPL3_PATCH _PATCHKEY(0x03) 645 short device; /* Synth# (0-4) */ 646 int channel; /* Program# to be initialized */ 647 sbi_instr_data operators; /* Reg. settings for operator cells 648 * (.SBI format) */ 649}; 650 651struct synth_info { /* Read only */ 652 char name[33]; 653 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 654 int synth_type; 655#define SYNTH_TYPE_FM 0 656#define SYNTH_TYPE_SAMPLE 1 657#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 658 659 int synth_subtype; 660#define FM_TYPE_ADLIB 0x00 661#define FM_TYPE_OPL3 0x01 662 663#define SAMPLE_TYPE_BASIC 0x10 664#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 665#define SAMPLE_TYPE_AWE32 0x20 666 667 int perc_mode; /* No longer supported */ 668 int nr_voices; 669 int nr_drums; /* Obsolete field */ 670 int instr_bank_size; 671 u_long capabilities; 672#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 673#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 674#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 675 int dummies[19]; /* Reserve space */ 676}; 677 678struct sound_timer_info { 679 char name[32]; 680 int caps; 681}; 682 683#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 684 685struct midi_info { 686 char name[30]; 687 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 688 u_long capabilities; /* To be defined later */ 689 int dev_type; 690 int dummies[18]; /* Reserve space */ 691}; 692 693/* 694 * ioctl commands for the /dev/midi## 695 */ 696typedef struct { 697 u_char cmd; 698 char nr_args, nr_returns; 699 u_char data[30]; 700} mpu_command_rec; 701 702#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 703#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 704#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 705 706/* 707 * IOCTL commands for /dev/dsp and /dev/audio 708 */ 709 710#define SNDCTL_DSP_RESET _IO ('P', 0) 711#define SNDCTL_DSP_SYNC _IO ('P', 1) 712#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 713#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 714#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 715#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 716#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 717 718/* 719 * SOUND_PCM_WRITE_CHANNELS is not that different 720 * from SNDCTL_DSP_STEREO 721 */ 722#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 723#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 724#define SNDCTL_DSP_POST _IO ('P', 8) 725 726/* 727 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 728 * the same thing, i.e. set the block size used in DMA transfers. 729 */ 730#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 731#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 732 733 734#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 735/* 736 * Buffer status queries. 737 */ 738typedef struct audio_buf_info { 739 int fragments; /* # of avail. frags (partly used ones not counted) */ 740 int fragstotal; /* Total # of fragments allocated */ 741 int fragsize; /* Size of a fragment in bytes */ 742 743 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 744 /* Note! 'bytes' could be more than fragments*fragsize */ 745} audio_buf_info; 746 747#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 748#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 749 750/* 751 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 752 * action cannot be undone) of FIONBIO. The same can be achieved 753 * by opening the device with O_NDELAY 754 */ 755#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 756 757#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 758#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 759#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 760#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 761#define DSP_CAP_BATCH 0x00000400 762 /* 763 * Device has some kind of internal buffers which may 764 * cause some delays and decrease precision of timing 765 */ 766#define DSP_CAP_COPROC 0x00000800 767 /* Has a coprocessor, sometimes it's a DSP but usually not */ 768#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 769#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 770 771/* 772 * What do these function do ? 773 */ 774#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 775#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 776#define PCM_ENABLE_INPUT 0x00000001 777#define PCM_ENABLE_OUTPUT 0x00000002 778 779typedef struct count_info { 780 int bytes; /* Total # of bytes processed */ 781 int blocks; /* # of fragment transitions since last time */ 782 int ptr; /* Current DMA pointer value */ 783} count_info; 784 785/* 786 * GETIPTR and GETISPACE are not that different... same for out. 787 */ 788#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 789#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 790 791typedef struct buffmem_desc { 792 caddr_t buffer; 793 int size; 794} buffmem_desc; 795 796#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 797#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 798#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 799 800/* 801 * I guess these are the readonly version of the same 802 * functions that exist above as SNDCTL_DSP_... 803 */ 804#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 805#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 806#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 807#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 808 809/* 810 * ioctl calls to be used in communication with coprocessors and 811 * DSP chips. 812 */ 813 814typedef struct copr_buffer { 815 int command; /* Set to 0 if not used */ 816 int flags; 817#define CPF_NONE 0x0000 818#define CPF_FIRST 0x0001 /* First block */ 819#define CPF_LAST 0x0002 /* Last block */ 820 int len; 821 int offs; /* If required by the device (0 if not used) */ 822 823 u_char data[4000]; /* NOTE! 4000 is not 4k */ 824} copr_buffer; 825 826typedef struct copr_debug_buf { 827 int command; /* Used internally. Set to 0 */ 828 int parm1; 829 int parm2; 830 int flags; 831 int len; /* Length of data in bytes */ 832} copr_debug_buf; 833 834typedef struct copr_msg { 835 int len; 836 u_char data[4000]; 837} copr_msg; 838 839#define SNDCTL_COPR_RESET _IO ('C', 0) 840#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 841#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 842#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 843#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 844#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 845#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 846#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 847#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 848#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 849 850/* 851 * IOCTL commands for /dev/mixer 852 */ 853 854/* 855 * Mixer devices 856 * 857 * There can be up to 20 different analog mixer channels. The 858 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 859 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 860 * the devices supported by the particular mixer. 861 */ 862 863#define SOUND_MIXER_NRDEVICES 25 864#define SOUND_MIXER_VOLUME 0 865#define SOUND_MIXER_BASS 1 866#define SOUND_MIXER_TREBLE 2 867#define SOUND_MIXER_SYNTH 3 868#define SOUND_MIXER_PCM 4 869#define SOUND_MIXER_SPEAKER 5 870#define SOUND_MIXER_LINE 6 871#define SOUND_MIXER_MIC 7 872#define SOUND_MIXER_CD 8 873#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 874#define SOUND_MIXER_ALTPCM 10 875#define SOUND_MIXER_RECLEV 11 /* Recording level */ 876#define SOUND_MIXER_IGAIN 12 /* Input gain */ 877#define SOUND_MIXER_OGAIN 13 /* Output gain */ 878/* 879 * The AD1848 codec and compatibles have three line level inputs 880 * (line, aux1 and aux2). Since each card manufacturer have assigned 881 * different meanings to these inputs, it's inpractical to assign 882 * specific meanings (line, cd, synth etc.) to them. 883 */ 884#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 885#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 886#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 887#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 888#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 889#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 890#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 891#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 892#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 893#define SOUND_MIXER_RADIO 23 /* Radio in */ 894#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 895 896 897/* 898 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 899 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 900 */ 901#define SOUND_ONOFF_MIN 28 902#define SOUND_ONOFF_MAX 30 903#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 904#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 905#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 906 907/* Note! Number 31 cannot be used since the sign bit is reserved */ 908#define SOUND_MIXER_NONE 31 909 910#define SOUND_DEVICE_LABELS { \ 911 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 912 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 913 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 914 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 915 916#define SOUND_DEVICE_NAMES { \ 917 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 918 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 919 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 920 "phin", "phout", "video", "radio", "monitor"} 921 922/* Device bitmask identifiers */ 923 924#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 925#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 926#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 927#define SOUND_MIXER_CAPS 0xfc 928#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 929#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 930 931/* Device mask bits */ 932 933#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 934#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 935#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 936#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 937#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 938#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 939#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 940#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 941#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 942#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 943#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 944#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 945#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 946#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 947#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 948#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 949#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 950#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 951#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 952#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 953#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 954#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 955#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 956#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 957#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 958 959/* Obsolete macros */ 960#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 961#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 962#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 963 964#define MIXER_READ(dev) _IOR('M', dev, int) 965#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 966#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 967#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 968#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 969#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 970#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 971#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 972#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 973#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 974#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 975#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 976#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 977#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 978#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 979#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 980#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 981#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 982 983/* Obsolete macros */ 984#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 985#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 986#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 987 988#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 989#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 990#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 991#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 992#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 993 994#define MIXER_WRITE(dev) _IOWR('M', dev, int) 995#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 996#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 997#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 998#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 999#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1000#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1001#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1002#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1003#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1004#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1005#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1006#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1007#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1008#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1009#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1010#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1011#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1012#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1013#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1014#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1015 1016#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1017 1018#define LEFT_CHN 0 1019#define RIGHT_CHN 1 1020 1021/* 1022 * Level 2 event types for /dev/sequencer 1023 */ 1024 1025/* 1026 * The 4 most significant bits of byte 0 specify the class of 1027 * the event: 1028 * 1029 * 0x8X = system level events, 1030 * 0x9X = device/port specific events, event[1] = device/port, 1031 * The last 4 bits give the subtype: 1032 * 0x02 = Channel event (event[3] = chn). 1033 * 0x01 = note event (event[4] = note). 1034 * (0x01 is not used alone but always with bit 0x02). 1035 * event[2] = MIDI message code (0x80=note off etc.) 1036 * 1037 */ 1038 1039#define EV_SEQ_LOCAL 0x80 1040#define EV_TIMING 0x81 1041#define EV_CHN_COMMON 0x92 1042#define EV_CHN_VOICE 0x93 1043#define EV_SYSEX 0x94 1044/* 1045 * Event types 200 to 220 are reserved for application use. 1046 * These numbers will not be used by the driver. 1047 */ 1048 1049/* 1050 * Events for event type EV_CHN_VOICE 1051 */ 1052 1053#define MIDI_NOTEOFF 0x80 1054#define MIDI_NOTEON 0x90 1055#define MIDI_KEY_PRESSURE 0xA0 1056 1057/* 1058 * Events for event type EV_CHN_COMMON 1059 */ 1060 1061#define MIDI_CTL_CHANGE 0xB0 1062#define MIDI_PGM_CHANGE 0xC0 1063#define MIDI_CHN_PRESSURE 0xD0 1064#define MIDI_PITCH_BEND 0xE0 1065 1066#define MIDI_SYSTEM_PREFIX 0xF0 1067 1068/* 1069 * Timer event types 1070 */ 1071#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1072#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1073#define TMR_STOP 3 1074#define TMR_START 4 1075#define TMR_CONTINUE 5 1076#define TMR_TEMPO 6 1077#define TMR_ECHO 8 1078#define TMR_CLOCK 9 /* MIDI clock */ 1079#define TMR_SPP 10 /* Song position pointer */ 1080#define TMR_TIMESIG 11 /* Time signature */ 1081 1082/* 1083 * Local event types 1084 */ 1085#define LOCL_STARTAUDIO 1 1086 1087#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 1088/* 1089 * Some convenience macros to simplify programming of the 1090 * /dev/sequencer interface 1091 * 1092 * These macros define the API which should be used when possible. 1093 */ 1094 1095#ifndef USE_SIMPLE_MACROS 1096void seqbuf_dump(void); /* This function must be provided by programs */ 1097 1098/* Sample seqbuf_dump() implementation: 1099 * 1100 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1101 * 1102 * int seqfd; -- The file descriptor for /dev/sequencer. 1103 * 1104 * void 1105 * seqbuf_dump () 1106 * { 1107 * if (_seqbufptr) 1108 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1109 * { 1110 * perror ("write /dev/sequencer"); 1111 * exit (-1); 1112 * } 1113 * _seqbufptr = 0; 1114 * } 1115 */ 1116 1117#define SEQ_DEFINEBUF(len) \ 1118 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1119#define SEQ_USE_EXTBUF() \ 1120 extern u_char _seqbuf[]; \ 1121 extern int _seqbuflen;extern int _seqbufptr 1122#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1123#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1124#define _SEQ_NEEDBUF(len) \ 1125 if ((_seqbufptr+(len)) > _seqbuflen) \ 1126 seqbuf_dump() 1127#define _SEQ_ADVBUF(len) _seqbufptr += len 1128#define SEQ_DUMPBUF seqbuf_dump 1129#else 1130/* 1131 * This variation of the sequencer macros is used just to format one event 1132 * using fixed buffer. 1133 * 1134 * The program using the macro library must define the following macros before 1135 * using this library. 1136 * 1137 * #define _seqbuf name of the buffer (u_char[]) 1138 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1139 * size of the event, this macro can be used. 1140 * Otherwise this must be defined as empty. 1141 * #define _seqbufptr Define the name of index variable or 0 if 1142 * not required. 1143 */ 1144#define _SEQ_NEEDBUF(len) /* empty */ 1145#endif 1146 1147#define PM_LOAD_PATCH(dev, bank, pgm) \ 1148 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1149 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1150 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1151 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1152#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1153 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1154 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1155 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1156 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1157 1158#define SEQ_VOLUME_MODE(dev, mode) { \ 1159 _SEQ_NEEDBUF(8);\ 1160 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1161 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1162 _seqbuf[_seqbufptr+2] = (dev);\ 1163 _seqbuf[_seqbufptr+3] = (mode);\ 1164 _seqbuf[_seqbufptr+4] = 0;\ 1165 _seqbuf[_seqbufptr+5] = 0;\ 1166 _seqbuf[_seqbufptr+6] = 0;\ 1167 _seqbuf[_seqbufptr+7] = 0;\ 1168 _SEQ_ADVBUF(8);} 1169 1170/* 1171 * Midi voice messages 1172 */ 1173 1174#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1175 _SEQ_NEEDBUF(8);\ 1176 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1177 _seqbuf[_seqbufptr+1] = (dev);\ 1178 _seqbuf[_seqbufptr+2] = (event);\ 1179 _seqbuf[_seqbufptr+3] = (chn);\ 1180 _seqbuf[_seqbufptr+4] = (note);\ 1181 _seqbuf[_seqbufptr+5] = (parm);\ 1182 _seqbuf[_seqbufptr+6] = (0);\ 1183 _seqbuf[_seqbufptr+7] = 0;\ 1184 _SEQ_ADVBUF(8);} 1185 1186#define SEQ_START_NOTE(dev, chn, note, vol) \ 1187 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1188 1189#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1190 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1191 1192#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1193 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1194 1195/* 1196 * Midi channel messages 1197 */ 1198 1199#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1200 _SEQ_NEEDBUF(8);\ 1201 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1202 _seqbuf[_seqbufptr+1] = (dev);\ 1203 _seqbuf[_seqbufptr+2] = (event);\ 1204 _seqbuf[_seqbufptr+3] = (chn);\ 1205 _seqbuf[_seqbufptr+4] = (p1);\ 1206 _seqbuf[_seqbufptr+5] = (p2);\ 1207 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1208 _SEQ_ADVBUF(8);} 1209/* 1210 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1211 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1212 * so _will_ cause problems with MPU401 intelligent mode). 1213 * 1214 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1215 * sent by calling SEQ_SYSEX() several times (there must be no other events 1216 * between them). First sysex fragment must have 0xf0 in the first byte 1217 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1218 * between these sysex start and end markers cannot be larger than 0x7f. Also 1219 * lengths of each fragments (except the last one) must be 6. 1220 * 1221 * Breaking the above rules may work with some MIDI ports but is likely to 1222 * cause fatal problems with some other devices (such as MPU401). 1223 */ 1224#define SEQ_SYSEX(dev, buf, len) { \ 1225 int i, l=(len); if (l>6)l=6;\ 1226 _SEQ_NEEDBUF(8);\ 1227 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1228 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1229 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1230 _SEQ_ADVBUF(8);} 1231 1232#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1233 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1234 1235#define SEQ_SET_PATCH(dev, chn, patch) \ 1236 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1237 1238#define SEQ_CONTROL(dev, chn, controller, value) \ 1239 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1240 1241#define SEQ_BENDER(dev, chn, value) \ 1242 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1243 1244 1245#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1246 _SEQ_NEEDBUF(8);\ 1247 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1248 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1249 _seqbuf[_seqbufptr+2] = (dev);\ 1250 _seqbuf[_seqbufptr+3] = (voice);\ 1251 _seqbuf[_seqbufptr+4] = (controller);\ 1252 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1253 _seqbuf[_seqbufptr+7] = 0;\ 1254 _SEQ_ADVBUF(8);} 1255 1256/* 1257 * The following 5 macros are incorrectly implemented and obsolete. 1258 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1259 */ 1260 1261#define SEQ_PITCHBEND(dev, voice, value) \ 1262 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1263#define SEQ_BENDER_RANGE(dev, voice, value) \ 1264 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1265#define SEQ_EXPRESSION(dev, voice, value) \ 1266 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1267#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1268 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1269#define SEQ_PANNING(dev, voice, pos) \ 1270 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1271 1272/* 1273 * Timing and syncronization macros 1274 */ 1275 1276#define _TIMER_EVENT(ev, parm) { \ 1277 _SEQ_NEEDBUF(8);\ 1278 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1279 _seqbuf[_seqbufptr+1] = (ev); \ 1280 _seqbuf[_seqbufptr+2] = 0;\ 1281 _seqbuf[_seqbufptr+3] = 0;\ 1282 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1283 _SEQ_ADVBUF(8); \ 1284 } 1285 1286#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1287#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1288#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1289#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1290#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1291#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1292#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1293#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1294#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1295 1296/* 1297 * Local control events 1298 */ 1299 1300#define _LOCAL_EVENT(ev, parm) { \ 1301 _SEQ_NEEDBUF(8);\ 1302 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1303 _seqbuf[_seqbufptr+1] = (ev); \ 1304 _seqbuf[_seqbufptr+2] = 0;\ 1305 _seqbuf[_seqbufptr+3] = 0;\ 1306 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1307 _SEQ_ADVBUF(8); \ 1308 } 1309 1310#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1311/* 1312 * Events for the level 1 interface only 1313 */ 1314 1315#define SEQ_MIDIOUT(device, byte) { \ 1316 _SEQ_NEEDBUF(4);\ 1317 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1318 _seqbuf[_seqbufptr+1] = (byte);\ 1319 _seqbuf[_seqbufptr+2] = (device);\ 1320 _seqbuf[_seqbufptr+3] = 0;\ 1321 _SEQ_ADVBUF(4);} 1322 1323/* 1324 * Patch loading. 1325 */ 1326#define SEQ_WRPATCH(patchx, len) { \ 1327 if (_seqbufptr) seqbuf_dump(); \ 1328 if (write(seqfd, (char*)(patchx), len)==-1) \ 1329 perror("Write patch: /dev/sequencer"); \ 1330 } 1331 1332#define SEQ_WRPATCH2(patchx, len) \ 1333 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1334 1335#endif 1336 1337/* 1338 * Here I have moved all the aliases for ioctl names. 1339 */ 1340 1341#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1342#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1343#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1344 1345#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1346#define SOUND_PCM_POST SNDCTL_DSP_POST 1347#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1348#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1349#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1350#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1351#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1352#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1353#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1354#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1355#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1356#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1357#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1358#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1359#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1360#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1361#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1362#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1363 1364#endif /* SOUNDCARD_H */ 1365