soundcard.h revision 62947
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 * $FreeBSD: head/sys/sys/soundcard.h 62947 2000-07-11 11:49:33Z tanimura $ 31 */ 32 33#ifndef _SYS_SOUNDCARD_H_ 34#define _SYS_SOUNDCARD_H_ 35 /* 36 * If you make modifications to this file, please contact me before 37 * distributing the modified version. There is already enough 38 * diversity in the world. 39 * 40 * Regards, 41 * Hannu Savolainen 42 * hannu@voxware.pp.fi 43 * 44 ********************************************************************** 45 * PS. The Hacker's Guide to VoxWare available from 46 * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is 47 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 48 * some useful information about programming with VoxWare. 49 * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have 50 * to cd inside them before the files are accessible.) 51 ********************************************************************** 52 */ 53 54/* 55 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 56 * should not depend on it, but rather look at the capabilities 57 * of the driver in the kernel! 58 */ 59#define SOUND_VERSION 301 60#define VOXWARE /* does this have any use ? */ 61 62/* 63 * Supported card ID numbers (Should be somewhere else? We keep 64 * them here just for compativility with the old driver, but these 65 * constants are of little or no use). 66 */ 67 68#define SNDCARD_ADLIB 1 69#define SNDCARD_SB 2 70#define SNDCARD_PAS 3 71#define SNDCARD_GUS 4 72#define SNDCARD_MPU401 5 73#define SNDCARD_SB16 6 74#define SNDCARD_SB16MIDI 7 75#define SNDCARD_UART6850 8 76#define SNDCARD_GUS16 9 77#define SNDCARD_MSS 10 78#define SNDCARD_PSS 11 79#define SNDCARD_SSCAPE 12 80#define SNDCARD_PSS_MPU 13 81#define SNDCARD_PSS_MSS 14 82#define SNDCARD_SSCAPE_MSS 15 83#define SNDCARD_TRXPRO 16 84#define SNDCARD_TRXPRO_SB 17 85#define SNDCARD_TRXPRO_MPU 18 86#define SNDCARD_MAD16 19 87#define SNDCARD_MAD16_MPU 20 88#define SNDCARD_CS4232 21 89#define SNDCARD_CS4232_MPU 22 90#define SNDCARD_MAUI 23 91#define SNDCARD_PSEUDO_MSS 24 92#define SNDCARD_AWE32 25 93#define SNDCARD_NSS 26 94#define SNDCARD_UART16550 27 95#define SNDCARD_OPL 28 96 97#include <sys/types.h> 98#ifndef _IOWR 99#include <sys/ioccom.h> 100#endif /* !_IOWR */ 101 102/* 103 * The first part of this file contains the new FreeBSD sound ioctl 104 * interface. Tries to minimize the number of different ioctls, and 105 * to be reasonably general. 106 * 107 * 970821: some of the new calls have not been implemented yet. 108 */ 109 110/* 111 * the following three calls extend the generic file descriptor 112 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 113 * number of bytes for a write operation to be non-blocking. 114 * 115 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 116 * from a character device (default) to a block device. In block mode, 117 * (not to be confused with blocking mode) the main difference for the 118 * application is that select() will return only when a complete 119 * block can be read/written to the device, whereas in character mode 120 * select will return true when one byte can be exchanged. For audio 121 * devices, character mode makes select almost useless since one byte 122 * will always be ready by the next sample time (which is often only a 123 * handful of microseconds away). 124 * Use a size of 0 or 1 to return to character mode. 125 */ 126#define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 127struct snd_size { 128 int play_size; 129 int rec_size; 130}; 131#define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 132#define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 133 134/* 135 * The following constants define supported audio formats. The 136 * encoding follows voxware conventions, i.e. 1 bit for each supported 137 * format. We extend it by using bit 31 (RO) to indicate full-duplex 138 * capability, and bit 29 (RO) to indicate that the card supports/ 139 * needs different formats on capture & playback channels. 140 * Bit 29 (RW) is used to indicate/ask stereo. 141 */ 142 143# define AFMT_QUERY 0x00000000 /* Return current fmt */ 144# define AFMT_MU_LAW 0x00000001 145# define AFMT_A_LAW 0x00000002 146# define AFMT_IMA_ADPCM 0x00000004 147# define AFMT_U8 0x00000008 148# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 149# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 150# define AFMT_S8 0x00000040 151# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 152# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 153# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 154 155# define AFMT_STEREO 0x10000000 /* can do/want stereo */ 156 157/* 158 * the following are really capabilities 159 */ 160# define AFMT_WEIRD 0x20000000 /* weird hardware... */ 161 /* 162 * AFMT_WEIRD reports that the hardware might need to operate 163 * with different formats in the playback and capture 164 * channels when operating in full duplex. 165 * As an example, SoundBlaster16 cards only support U8 in one 166 * direction and S16 in the other one, and applications should 167 * be aware of this limitation. 168 */ 169# define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 170 171/* 172 * The following structure is used to get/set format and sampling rate. 173 * While it would be better to have things such as stereo, bits per 174 * sample, endiannes, etc split in different variables, it turns out 175 * that formats are not that many, and not all combinations are possible. 176 * So we followed the Voxware approach of associating one bit to each 177 * format. 178 */ 179 180typedef struct _snd_chan_param { 181 u_long play_rate; /* sampling rate */ 182 u_long rec_rate; /* sampling rate */ 183 u_long play_format; /* everything describing the format */ 184 u_long rec_format; /* everything describing the format */ 185} snd_chan_param; 186#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 187#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 188 189/* 190 * The following structure is used to get/set the mixer setting. 191 * Up to 32 mixers are supported, each one with up to 32 channels. 192 */ 193typedef struct _snd_mix_param { 194 u_char subdev; /* which output */ 195 u_char line; /* which input */ 196 u_char left,right; /* volumes, 0..255, 0 = mute */ 197} snd_mix_param ; 198 199/* XXX AIOGMIX, AIOSMIX not implemented yet */ 200#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 201#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 202 203/* 204 * channel specifiers used in AIOSTOP and AIOSYNC 205 */ 206#define AIOSYNC_PLAY 0x1 /* play chan */ 207#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 208/* AIOSTOP stop & flush a channel, returns the residual count */ 209#define AIOSTOP _IOWR ('A', 15, int) 210 211/* alternate method used to notify the sync condition */ 212#define AIOSYNC_SIGNAL 0x100 213#define AIOSYNC_SELECT 0x200 214 215/* what the 'pos' field refers to */ 216#define AIOSYNC_READY 0x400 217#define AIOSYNC_FREE 0x800 218 219typedef struct _snd_sync_parm { 220 long chan ; /* play or capture channel, plus modifier */ 221 long pos; 222} snd_sync_parm; 223#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 224 225/* 226 * The following is used to return device capabilities. If the structure 227 * passed to the ioctl is zeroed, default values are returned for rate 228 * and formats, a bitmap of available mixers is returned, and values 229 * (inputs, different levels) for the first one are returned. 230 * 231 * If formats, mixers, inputs are instantiated, then detailed info 232 * are returned depending on the call. 233 */ 234typedef struct _snd_capabilities { 235 u_long rate_min, rate_max; /* min-max sampling rate */ 236 u_long formats; 237 u_long bufsize; /* DMA buffer size */ 238 u_long mixers; /* bitmap of available mixers */ 239 u_long inputs; /* bitmap of available inputs (per mixer) */ 240 u_short left, right; /* how many levels are supported */ 241} snd_capabilities; 242#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 243 244/* 245 * here is the old (Voxware) ioctl interface 246 */ 247 248/* 249 * IOCTL Commands for /dev/sequencer 250 */ 251 252#define SNDCTL_SEQ_RESET _IO ('Q', 0) 253#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 254#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 255#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 256#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 257#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 258#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 259#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 260#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 261#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 262#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 263#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 264#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 265#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 266#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 267#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 268#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 269#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 270#define SNDCTL_SEQ_PANIC _IO ('Q',17) 271#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 272 273struct seq_event_rec { 274 u_char arr[8]; 275}; 276 277#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 278#define SNDCTL_TMR_START _IO ('T', 2) 279#define SNDCTL_TMR_STOP _IO ('T', 3) 280#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 281#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 282#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 283# define TMR_INTERNAL 0x00000001 284# define TMR_EXTERNAL 0x00000002 285# define TMR_MODE_MIDI 0x00000010 286# define TMR_MODE_FSK 0x00000020 287# define TMR_MODE_CLS 0x00000040 288# define TMR_MODE_SMPTE 0x00000080 289#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 290#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 291 292/* 293 * Endian aware patch key generation algorithm. 294 */ 295 296#if defined(_AIX) || defined(AIX) 297# define _PATCHKEY(id) (0xfd00|id) 298#else 299# define _PATCHKEY(id) ((id<<8)|0xfd) 300#endif 301 302/* 303 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 304 * The following patch_info structure has been designed to support 305 * Gravis UltraSound. It tries to be universal format for uploading 306 * sample based patches but is probably too limited. 307 */ 308 309struct patch_info { 310/* u_short key; Use GUS_PATCH here */ 311 short key; /* Use GUS_PATCH here */ 312#define GUS_PATCH _PATCHKEY(0x04) 313#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 314 315 short device_no; /* Synthesizer number */ 316 short instr_no; /* Midi pgm# */ 317 318 u_long mode; 319/* 320 * The least significant byte has the same format than the GUS .PAT 321 * files 322 */ 323#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 324#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 325#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 326#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 327#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 328#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 329#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 330 /* (use the env_rate/env_offs fields). */ 331/* Linux specific bits */ 332#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 333#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 334#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 335/* Other bits must be zeroed */ 336 337 long len; /* Size of the wave data in bytes */ 338 long loop_start, loop_end; /* Byte offsets from the beginning */ 339 340/* 341 * The base_freq and base_note fields are used when computing the 342 * playback speed for a note. The base_note defines the tone frequency 343 * which is heard if the sample is played using the base_freq as the 344 * playback speed. 345 * 346 * The low_note and high_note fields define the minimum and maximum note 347 * frequencies for which this sample is valid. It is possible to define 348 * more than one samples for a instrument number at the same time. The 349 * low_note and high_note fields are used to select the most suitable one. 350 * 351 * The fields base_note, high_note and low_note should contain 352 * the note frequency multiplied by 1000. For example value for the 353 * middle A is 440*1000. 354 */ 355 356 u_int base_freq; 357 u_long base_note; 358 u_long high_note; 359 u_long low_note; 360 int panning; /* -128=left, 127=right */ 361 int detuning; 362 363/* New fields introduced in version 1.99.5 */ 364 365 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 366 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 367 u_char env_offset[ 6 ]; /* 255 == 100% */ 368 369 /* 370 * The tremolo, vibrato and scale info are not supported yet. 371 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 372 * WAVE_SCALE 373 */ 374 375 u_char tremolo_sweep; 376 u_char tremolo_rate; 377 u_char tremolo_depth; 378 379 u_char vibrato_sweep; 380 u_char vibrato_rate; 381 u_char vibrato_depth; 382 383 int scale_frequency; 384 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 385 386 int volume; 387 int spare[4]; 388 char data[1]; /* The waveform data starts here */ 389}; 390 391struct sysex_info { 392 short key; /* Use GUS_PATCH here */ 393#define SYSEX_PATCH _PATCHKEY(0x05) 394#define MAUI_PATCH _PATCHKEY(0x06) 395 short device_no; /* Synthesizer number */ 396 long len; /* Size of the sysex data in bytes */ 397 u_char data[1]; /* Sysex data starts here */ 398}; 399 400/* 401 * Patch management interface (/dev/sequencer, /dev/patmgr#) 402 * Don't use these calls if you want to maintain compatibility with 403 * the future versions of the driver. 404 */ 405 406#define PS_NO_PATCHES 0 /* No patch support on device */ 407#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 408#define PS_MGR_OK 2 /* Patch manager supported */ 409#define PS_MANAGED 3 /* Patch manager running */ 410 411#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 412 413/* 414 * The patmgr_info is a fixed size structure which is used for two 415 * different purposes. The intended use is for communication between 416 * the application using /dev/sequencer and the patch manager daemon 417 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 418 * 419 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 420 * a patch manager daemon to read and write device parameters. This 421 * ioctl available through /dev/sequencer also. Avoid using it since it's 422 * extremely hardware dependent. In addition access trough /dev/sequencer 423 * may confuse the patch manager daemon. 424 */ 425 426struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 427 u_long key; /* Don't worry. Reserved for communication 428 between the patch manager and the driver. */ 429#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 430#define PM_K_COMMAND 2 /* Request from a application */ 431#define PM_K_RESPONSE 3 /* From patmgr to application */ 432#define PM_ERROR 4 /* Error returned by the patmgr */ 433 int device; 434 int command; 435 436/* 437 * Commands 0x000 to 0xfff reserved for patch manager programs 438 */ 439#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 440#define PMTYPE_FM2 1 /* 2 OP fm */ 441#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 442#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 443#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 444#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 445#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 446#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 447#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 448#define PM_READ_PATCH 7 /* Read patch (wave) data */ 449#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 450 451/* 452 * Commands 0x1000 to 0xffff are for communication between the patch manager 453 * and the client 454 */ 455#define _PM_LOAD_PATCH 0x100 456 457/* 458 * Commands above 0xffff reserved for device specific use 459 */ 460 461 long parm1; 462 long parm2; 463 long parm3; 464 465 union { 466 u_char data8[4000]; 467 u_short data16[2000]; 468 u_long data32[1000]; 469 struct patch_info patch; 470 } data; 471}; 472 473/* 474 * When a patch manager daemon is present, it will be informed by the 475 * driver when something important happens. For example when the 476 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 477 * returned. The command field contains the event type: 478 */ 479#define PM_E_OPENED 1 /* /dev/sequencer opened */ 480#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 481#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 482#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 483 484/* 485 * /dev/sequencer input events. 486 * 487 * The data written to the /dev/sequencer is a stream of events. Events 488 * are records of 4 or 8 bytes. The first byte defines the size. 489 * Any number of events can be written with a write call. There 490 * is a set of macros for sending these events. Use these macros if you 491 * want to maximize portability of your program. 492 * 493 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 494 * (All input events are currently 4 bytes long. Be prepared to support 495 * 8 byte events also. If you receive any event having first byte >= 128, 496 * it's a 8 byte event. 497 * 498 * The events are documented at the end of this file. 499 * 500 * Normal events (4 bytes) 501 * There is also a 8 byte version of most of the 4 byte events. The 502 * 8 byte one is recommended. 503 */ 504#define SEQ_NOTEOFF 0 505#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 506#define SEQ_NOTEON 1 507#define SEQ_FMNOTEON SEQ_NOTEON 508#define SEQ_WAIT TMR_WAIT_ABS 509#define SEQ_PGMCHANGE 3 510#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 511#define SEQ_SYNCTIMER TMR_START 512#define SEQ_MIDIPUTC 5 513#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 514#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 515#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 516#define SEQ_AFTERTOUCH 9 517#define SEQ_CONTROLLER 10 518 519/* 520 * Midi controller numbers 521 * 522 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 523 * are continuous controllers. 524 * In the MIDI 1.0 these controllers are sent using two messages. 525 * Controller numbers 0 to 31 are used to send the MSB and the 526 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 527 * are used in MIDI bytes. 528 */ 529 530#define CTL_BANK_SELECT 0x00 531#define CTL_MODWHEEL 0x01 532#define CTL_BREATH 0x02 533/* undefined 0x03 */ 534#define CTL_FOOT 0x04 535#define CTL_PORTAMENTO_TIME 0x05 536#define CTL_DATA_ENTRY 0x06 537#define CTL_MAIN_VOLUME 0x07 538#define CTL_BALANCE 0x08 539/* undefined 0x09 */ 540#define CTL_PAN 0x0a 541#define CTL_EXPRESSION 0x0b 542/* undefined 0x0c - 0x0f */ 543#define CTL_GENERAL_PURPOSE1 0x10 544#define CTL_GENERAL_PURPOSE2 0x11 545#define CTL_GENERAL_PURPOSE3 0x12 546#define CTL_GENERAL_PURPOSE4 0x13 547/* undefined 0x14 - 0x1f */ 548 549/* undefined 0x20 */ 550 551/* 552 * The controller numbers 0x21 to 0x3f are reserved for the 553 * least significant bytes of the controllers 0x00 to 0x1f. 554 * These controllers are not recognised by the driver. 555 * 556 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 557 * 0=OFF and 127=ON (intermediate values are possible) 558 */ 559#define CTL_DAMPER_PEDAL 0x40 560#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 561#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 562#define CTL_PORTAMENTO 0x41 563#define CTL_SOSTENUTO 0x42 564#define CTL_SOFT_PEDAL 0x43 565/* undefined 0x44 */ 566#define CTL_HOLD2 0x45 567/* undefined 0x46 - 0x4f */ 568 569#define CTL_GENERAL_PURPOSE5 0x50 570#define CTL_GENERAL_PURPOSE6 0x51 571#define CTL_GENERAL_PURPOSE7 0x52 572#define CTL_GENERAL_PURPOSE8 0x53 573/* undefined 0x54 - 0x5a */ 574#define CTL_EXT_EFF_DEPTH 0x5b 575#define CTL_TREMOLO_DEPTH 0x5c 576#define CTL_CHORUS_DEPTH 0x5d 577#define CTL_DETUNE_DEPTH 0x5e 578#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 579#define CTL_PHASER_DEPTH 0x5f 580#define CTL_DATA_INCREMENT 0x60 581#define CTL_DATA_DECREMENT 0x61 582#define CTL_NONREG_PARM_NUM_LSB 0x62 583#define CTL_NONREG_PARM_NUM_MSB 0x63 584#define CTL_REGIST_PARM_NUM_LSB 0x64 585#define CTL_REGIST_PARM_NUM_MSB 0x65 586/* undefined 0x66 - 0x78 */ 587/* reserved 0x79 - 0x7f */ 588 589/* Pseudo controllers (not midi compatible) */ 590#define CTRL_PITCH_BENDER 255 591#define CTRL_PITCH_BENDER_RANGE 254 592#define CTRL_EXPRESSION 253 /* Obsolete */ 593#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 594 595#define SEQ_BALANCE 11 596#define SEQ_VOLMODE 12 597 598/* 599 * Volume mode decides how volumes are used 600 */ 601 602#define VOL_METHOD_ADAGIO 1 603#define VOL_METHOD_LINEAR 2 604 605/* 606 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 607 * input events. 608 */ 609 610/* 611 * Event codes 0xf0 to 0xfc are reserved for future extensions. 612 */ 613 614#define SEQ_FULLSIZE 0xfd /* Long events */ 615/* 616 * SEQ_FULLSIZE events are used for loading patches/samples to the 617 * synthesizer devices. These events are passed directly to the driver 618 * of the associated synthesizer device. There is no limit to the size 619 * of the extended events. These events are not queued but executed 620 * immediately when the write() is called (execution can take several 621 * seconds of time). 622 * 623 * When a SEQ_FULLSIZE message is written to the device, it must 624 * be written using exactly one write() call. Other events cannot 625 * be mixed to the same write. 626 * 627 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 628 * it to the /dev/sequencer. Don't write other data together with 629 * the instrument structure Set the key field of the structure to 630 * FM_PATCH. The device field is used to route the patch to the 631 * corresponding device. 632 * 633 * For Gravis UltraSound use struct patch_info. Initialize the key field 634 * to GUS_PATCH. 635 */ 636#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 637#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 638 639/* 640 * Record for FM patches 641 */ 642 643typedef u_char sbi_instr_data[32]; 644 645struct sbi_instrument { 646 u_short key; /* FM_PATCH or OPL3_PATCH */ 647#define FM_PATCH _PATCHKEY(0x01) 648#define OPL3_PATCH _PATCHKEY(0x03) 649 short device; /* Synth# (0-4) */ 650 int channel; /* Program# to be initialized */ 651 sbi_instr_data operators; /* Reg. settings for operator cells 652 * (.SBI format) */ 653}; 654 655struct synth_info { /* Read only */ 656 char name[30]; 657 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 658 int synth_type; 659#define SYNTH_TYPE_FM 0 660#define SYNTH_TYPE_SAMPLE 1 661#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 662 663 int synth_subtype; 664#define FM_TYPE_ADLIB 0x00 665#define FM_TYPE_OPL3 0x01 666 667#define SAMPLE_TYPE_BASIC 0x10 668#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 669#define SAMPLE_TYPE_AWE32 0x20 670 671 int perc_mode; /* No longer supported */ 672 int nr_voices; 673 int nr_drums; /* Obsolete field */ 674 int instr_bank_size; 675 u_long capabilities; 676#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 677#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 678#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 679 int dummies[19]; /* Reserve space */ 680}; 681 682struct sound_timer_info { 683 char name[32]; 684 int caps; 685}; 686 687#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 688 689struct midi_info { 690 char name[30]; 691 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 692 u_long capabilities; /* To be defined later */ 693 int dev_type; 694 int dummies[18]; /* Reserve space */ 695}; 696 697/* 698 * ioctl commands for the /dev/midi## 699 */ 700typedef struct { 701 u_char cmd; 702 char nr_args, nr_returns; 703 u_char data[30]; 704} mpu_command_rec; 705 706#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 707#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 708#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 709#define MIOSPASSTHRU _IOWR('m', 3, int) 710#define MIOGPASSTHRU _IOWR('m', 4, int) 711 712/* 713 * IOCTL commands for /dev/dsp and /dev/audio 714 */ 715 716#define SNDCTL_DSP_RESET _IO ('P', 0) 717#define SNDCTL_DSP_SYNC _IO ('P', 1) 718#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 719#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 720#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 721#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 722#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 723 724/* 725 * SOUND_PCM_WRITE_CHANNELS is not that different 726 * from SNDCTL_DSP_STEREO 727 */ 728#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 729#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 730#define SNDCTL_DSP_POST _IO ('P', 8) 731 732/* 733 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 734 * the same thing, i.e. set the block size used in DMA transfers. 735 */ 736#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 737#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 738 739 740#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 741/* 742 * Buffer status queries. 743 */ 744typedef struct audio_buf_info { 745 int fragments; /* # of avail. frags (partly used ones not counted) */ 746 int fragstotal; /* Total # of fragments allocated */ 747 int fragsize; /* Size of a fragment in bytes */ 748 749 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 750 /* Note! 'bytes' could be more than fragments*fragsize */ 751} audio_buf_info; 752 753#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 754#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 755 756/* 757 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 758 * action cannot be undone) of FIONBIO. The same can be achieved 759 * by opening the device with O_NDELAY 760 */ 761#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 762 763#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 764#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 765#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 766#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 767#define DSP_CAP_BATCH 0x00000400 768 /* 769 * Device has some kind of internal buffers which may 770 * cause some delays and decrease precision of timing 771 */ 772#define DSP_CAP_COPROC 0x00000800 773 /* Has a coprocessor, sometimes it's a DSP but usually not */ 774#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 775#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 776 777/* 778 * What do these function do ? 779 */ 780#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 781#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 782#define PCM_ENABLE_INPUT 0x00000001 783#define PCM_ENABLE_OUTPUT 0x00000002 784 785typedef struct count_info { 786 int bytes; /* Total # of bytes processed */ 787 int blocks; /* # of fragment transitions since last time */ 788 int ptr; /* Current DMA pointer value */ 789} count_info; 790 791/* 792 * GETIPTR and GETISPACE are not that different... same for out. 793 */ 794#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 795#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 796 797typedef struct buffmem_desc { 798 caddr_t buffer; 799 int size; 800} buffmem_desc; 801 802#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 803#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 804#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 805#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 806 807/* 808 * I guess these are the readonly version of the same 809 * functions that exist above as SNDCTL_DSP_... 810 */ 811#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 812#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 813#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 814#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 815 816/* 817 * ioctl calls to be used in communication with coprocessors and 818 * DSP chips. 819 */ 820 821typedef struct copr_buffer { 822 int command; /* Set to 0 if not used */ 823 int flags; 824#define CPF_NONE 0x0000 825#define CPF_FIRST 0x0001 /* First block */ 826#define CPF_LAST 0x0002 /* Last block */ 827 int len; 828 int offs; /* If required by the device (0 if not used) */ 829 830 u_char data[4000]; /* NOTE! 4000 is not 4k */ 831} copr_buffer; 832 833typedef struct copr_debug_buf { 834 int command; /* Used internally. Set to 0 */ 835 int parm1; 836 int parm2; 837 int flags; 838 int len; /* Length of data in bytes */ 839} copr_debug_buf; 840 841typedef struct copr_msg { 842 int len; 843 u_char data[4000]; 844} copr_msg; 845 846#define SNDCTL_COPR_RESET _IO ('C', 0) 847#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 848#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 849#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 850#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 851#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 852#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 853#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 854#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 855#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 856 857/* 858 * IOCTL commands for /dev/mixer 859 */ 860 861/* 862 * Mixer devices 863 * 864 * There can be up to 20 different analog mixer channels. The 865 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 866 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 867 * the devices supported by the particular mixer. 868 */ 869 870#define SOUND_MIXER_NRDEVICES 25 871#define SOUND_MIXER_VOLUME 0 872#define SOUND_MIXER_BASS 1 873#define SOUND_MIXER_TREBLE 2 874#define SOUND_MIXER_SYNTH 3 875#define SOUND_MIXER_PCM 4 876#define SOUND_MIXER_SPEAKER 5 877#define SOUND_MIXER_LINE 6 878#define SOUND_MIXER_MIC 7 879#define SOUND_MIXER_CD 8 880#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 881#define SOUND_MIXER_ALTPCM 10 882#define SOUND_MIXER_RECLEV 11 /* Recording level */ 883#define SOUND_MIXER_IGAIN 12 /* Input gain */ 884#define SOUND_MIXER_OGAIN 13 /* Output gain */ 885/* 886 * The AD1848 codec and compatibles have three line level inputs 887 * (line, aux1 and aux2). Since each card manufacturer have assigned 888 * different meanings to these inputs, it's inpractical to assign 889 * specific meanings (line, cd, synth etc.) to them. 890 */ 891#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 892#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 893#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 894#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 895#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 896#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 897#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 898#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 899#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 900#define SOUND_MIXER_RADIO 23 /* Radio in */ 901#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 902 903 904/* 905 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 906 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 907 */ 908#define SOUND_ONOFF_MIN 28 909#define SOUND_ONOFF_MAX 30 910#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 911#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 912#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 913 914/* Note! Number 31 cannot be used since the sign bit is reserved */ 915#define SOUND_MIXER_NONE 31 916 917#define SOUND_DEVICE_LABELS { \ 918 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 919 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 920 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 921 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 922 923#define SOUND_DEVICE_NAMES { \ 924 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 925 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 926 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 927 "phin", "phout", "video", "radio", "monitor"} 928 929/* Device bitmask identifiers */ 930 931#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 932#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 933#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 934#define SOUND_MIXER_CAPS 0xfc 935#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 936#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 937 938/* Device mask bits */ 939 940#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 941#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 942#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 943#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 944#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 945#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 946#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 947#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 948#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 949#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 950#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 951#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 952#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 953#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 954#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 955#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 956#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 957#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 958#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 959#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 960#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 961#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 962#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 963#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 964#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 965 966/* Obsolete macros */ 967#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 968#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 969#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 970 971#define MIXER_READ(dev) _IOR('M', dev, int) 972#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 973#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 974#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 975#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 976#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 977#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 978#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 979#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 980#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 981#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 982#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 983#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 984#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 985#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 986#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 987#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 988#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 989 990/* Obsolete macros */ 991#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 992#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 993#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 994 995#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 996#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 997#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 998#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 999#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1000 1001#define MIXER_WRITE(dev) _IOWR('M', dev, int) 1002#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1003#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1004#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1005#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1006#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1007#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1008#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1009#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1010#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1011#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1012#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1013#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1014#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1015#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1016#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1017#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1018#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1019#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1020#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1021#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1022 1023#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1024 1025#define LEFT_CHN 0 1026#define RIGHT_CHN 1 1027 1028/* 1029 * Level 2 event types for /dev/sequencer 1030 */ 1031 1032/* 1033 * The 4 most significant bits of byte 0 specify the class of 1034 * the event: 1035 * 1036 * 0x8X = system level events, 1037 * 0x9X = device/port specific events, event[1] = device/port, 1038 * The last 4 bits give the subtype: 1039 * 0x02 = Channel event (event[3] = chn). 1040 * 0x01 = note event (event[4] = note). 1041 * (0x01 is not used alone but always with bit 0x02). 1042 * event[2] = MIDI message code (0x80=note off etc.) 1043 * 1044 */ 1045 1046#define EV_SEQ_LOCAL 0x80 1047#define EV_TIMING 0x81 1048#define EV_CHN_COMMON 0x92 1049#define EV_CHN_VOICE 0x93 1050#define EV_SYSEX 0x94 1051/* 1052 * Event types 200 to 220 are reserved for application use. 1053 * These numbers will not be used by the driver. 1054 */ 1055 1056/* 1057 * Events for event type EV_CHN_VOICE 1058 */ 1059 1060#define MIDI_NOTEOFF 0x80 1061#define MIDI_NOTEON 0x90 1062#define MIDI_KEY_PRESSURE 0xA0 1063 1064/* 1065 * Events for event type EV_CHN_COMMON 1066 */ 1067 1068#define MIDI_CTL_CHANGE 0xB0 1069#define MIDI_PGM_CHANGE 0xC0 1070#define MIDI_CHN_PRESSURE 0xD0 1071#define MIDI_PITCH_BEND 0xE0 1072 1073#define MIDI_SYSTEM_PREFIX 0xF0 1074 1075/* 1076 * Timer event types 1077 */ 1078#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1079#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1080#define TMR_STOP 3 1081#define TMR_START 4 1082#define TMR_CONTINUE 5 1083#define TMR_TEMPO 6 1084#define TMR_ECHO 8 1085#define TMR_CLOCK 9 /* MIDI clock */ 1086#define TMR_SPP 10 /* Song position pointer */ 1087#define TMR_TIMESIG 11 /* Time signature */ 1088 1089/* 1090 * Local event types 1091 */ 1092#define LOCL_STARTAUDIO 1 1093 1094#if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1095/* 1096 * Some convenience macros to simplify programming of the 1097 * /dev/sequencer interface 1098 * 1099 * These macros define the API which should be used when possible. 1100 */ 1101 1102#ifndef USE_SIMPLE_MACROS 1103void seqbuf_dump __P((void)); /* This function must be provided by programs */ 1104 1105/* Sample seqbuf_dump() implementation: 1106 * 1107 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1108 * 1109 * int seqfd; -- The file descriptor for /dev/sequencer. 1110 * 1111 * void 1112 * seqbuf_dump () 1113 * { 1114 * if (_seqbufptr) 1115 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1116 * { 1117 * perror ("write /dev/sequencer"); 1118 * exit (-1); 1119 * } 1120 * _seqbufptr = 0; 1121 * } 1122 */ 1123 1124#define SEQ_DEFINEBUF(len) \ 1125 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1126#define SEQ_USE_EXTBUF() \ 1127 extern u_char _seqbuf[]; \ 1128 extern int _seqbuflen;extern int _seqbufptr 1129#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1130#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1131#define _SEQ_NEEDBUF(len) \ 1132 if ((_seqbufptr+(len)) > _seqbuflen) \ 1133 seqbuf_dump() 1134#define _SEQ_ADVBUF(len) _seqbufptr += len 1135#define SEQ_DUMPBUF seqbuf_dump 1136#else 1137/* 1138 * This variation of the sequencer macros is used just to format one event 1139 * using fixed buffer. 1140 * 1141 * The program using the macro library must define the following macros before 1142 * using this library. 1143 * 1144 * #define _seqbuf name of the buffer (u_char[]) 1145 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1146 * size of the event, this macro can be used. 1147 * Otherwise this must be defined as empty. 1148 * #define _seqbufptr Define the name of index variable or 0 if 1149 * not required. 1150 */ 1151#define _SEQ_NEEDBUF(len) /* empty */ 1152#endif 1153 1154#define PM_LOAD_PATCH(dev, bank, pgm) \ 1155 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1156 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1157 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1158 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1159#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1160 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1161 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1162 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1163 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1164 1165#define SEQ_VOLUME_MODE(dev, mode) { \ 1166 _SEQ_NEEDBUF(8);\ 1167 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1168 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1169 _seqbuf[_seqbufptr+2] = (dev);\ 1170 _seqbuf[_seqbufptr+3] = (mode);\ 1171 _seqbuf[_seqbufptr+4] = 0;\ 1172 _seqbuf[_seqbufptr+5] = 0;\ 1173 _seqbuf[_seqbufptr+6] = 0;\ 1174 _seqbuf[_seqbufptr+7] = 0;\ 1175 _SEQ_ADVBUF(8);} 1176 1177/* 1178 * Midi voice messages 1179 */ 1180 1181#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1182 _SEQ_NEEDBUF(8);\ 1183 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1184 _seqbuf[_seqbufptr+1] = (dev);\ 1185 _seqbuf[_seqbufptr+2] = (event);\ 1186 _seqbuf[_seqbufptr+3] = (chn);\ 1187 _seqbuf[_seqbufptr+4] = (note);\ 1188 _seqbuf[_seqbufptr+5] = (parm);\ 1189 _seqbuf[_seqbufptr+6] = (0);\ 1190 _seqbuf[_seqbufptr+7] = 0;\ 1191 _SEQ_ADVBUF(8);} 1192 1193#define SEQ_START_NOTE(dev, chn, note, vol) \ 1194 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1195 1196#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1197 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1198 1199#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1200 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1201 1202/* 1203 * Midi channel messages 1204 */ 1205 1206#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1207 _SEQ_NEEDBUF(8);\ 1208 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1209 _seqbuf[_seqbufptr+1] = (dev);\ 1210 _seqbuf[_seqbufptr+2] = (event);\ 1211 _seqbuf[_seqbufptr+3] = (chn);\ 1212 _seqbuf[_seqbufptr+4] = (p1);\ 1213 _seqbuf[_seqbufptr+5] = (p2);\ 1214 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1215 _SEQ_ADVBUF(8);} 1216/* 1217 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1218 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1219 * so _will_ cause problems with MPU401 intelligent mode). 1220 * 1221 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1222 * sent by calling SEQ_SYSEX() several times (there must be no other events 1223 * between them). First sysex fragment must have 0xf0 in the first byte 1224 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1225 * between these sysex start and end markers cannot be larger than 0x7f. Also 1226 * lengths of each fragments (except the last one) must be 6. 1227 * 1228 * Breaking the above rules may work with some MIDI ports but is likely to 1229 * cause fatal problems with some other devices (such as MPU401). 1230 */ 1231#define SEQ_SYSEX(dev, buf, len) { \ 1232 int i, l=(len); if (l>6)l=6;\ 1233 _SEQ_NEEDBUF(8);\ 1234 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1235 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1236 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1237 _SEQ_ADVBUF(8);} 1238 1239#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1240 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1241 1242#define SEQ_SET_PATCH(dev, chn, patch) \ 1243 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1244 1245#define SEQ_CONTROL(dev, chn, controller, value) \ 1246 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1247 1248#define SEQ_BENDER(dev, chn, value) \ 1249 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1250 1251 1252#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1253 _SEQ_NEEDBUF(8);\ 1254 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1255 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1256 _seqbuf[_seqbufptr+2] = (dev);\ 1257 _seqbuf[_seqbufptr+3] = (voice);\ 1258 _seqbuf[_seqbufptr+4] = (controller);\ 1259 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1260 _seqbuf[_seqbufptr+7] = 0;\ 1261 _SEQ_ADVBUF(8);} 1262 1263/* 1264 * The following 5 macros are incorrectly implemented and obsolete. 1265 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1266 */ 1267 1268#define SEQ_PITCHBEND(dev, voice, value) \ 1269 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1270#define SEQ_BENDER_RANGE(dev, voice, value) \ 1271 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1272#define SEQ_EXPRESSION(dev, voice, value) \ 1273 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1274#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1275 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1276#define SEQ_PANNING(dev, voice, pos) \ 1277 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1278 1279/* 1280 * Timing and syncronization macros 1281 */ 1282 1283#define _TIMER_EVENT(ev, parm) { \ 1284 _SEQ_NEEDBUF(8);\ 1285 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1286 _seqbuf[_seqbufptr+1] = (ev); \ 1287 _seqbuf[_seqbufptr+2] = 0;\ 1288 _seqbuf[_seqbufptr+3] = 0;\ 1289 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1290 _SEQ_ADVBUF(8); \ 1291 } 1292 1293#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1294#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1295#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1296#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1297#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1298#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1299#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1300#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1301#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1302 1303/* 1304 * Local control events 1305 */ 1306 1307#define _LOCAL_EVENT(ev, parm) { \ 1308 _SEQ_NEEDBUF(8);\ 1309 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1310 _seqbuf[_seqbufptr+1] = (ev); \ 1311 _seqbuf[_seqbufptr+2] = 0;\ 1312 _seqbuf[_seqbufptr+3] = 0;\ 1313 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1314 _SEQ_ADVBUF(8); \ 1315 } 1316 1317#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1318/* 1319 * Events for the level 1 interface only 1320 */ 1321 1322#define SEQ_MIDIOUT(device, byte) { \ 1323 _SEQ_NEEDBUF(4);\ 1324 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1325 _seqbuf[_seqbufptr+1] = (byte);\ 1326 _seqbuf[_seqbufptr+2] = (device);\ 1327 _seqbuf[_seqbufptr+3] = 0;\ 1328 _SEQ_ADVBUF(4);} 1329 1330/* 1331 * Patch loading. 1332 */ 1333#define SEQ_WRPATCH(patchx, len) { \ 1334 if (_seqbufptr) seqbuf_dump(); \ 1335 if (write(seqfd, (char*)(patchx), len)==-1) \ 1336 perror("Write patch: /dev/sequencer"); \ 1337 } 1338 1339#define SEQ_WRPATCH2(patchx, len) \ 1340 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1341 1342#endif 1343 1344/* 1345 * Here I have moved all the aliases for ioctl names. 1346 */ 1347 1348#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1349#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1350#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1351 1352#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1353#define SOUND_PCM_POST SNDCTL_DSP_POST 1354#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1355#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1356#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1357#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1358#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1359#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1360#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1361#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1362#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1363#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1364#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1365#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1366#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1367#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1368#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1369#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1370 1371#endif /* !_SYS_SOUNDCARD_H_ */ 1372