soundcard.h revision 65335
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 65335 2000-09-01 17:38:32Z cg $ 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# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 155/* 156 * may not have all bits significant: 157 */ 158# define AFMT_S32_LE 0x00001000 /* Little endian signed 32 */ 159# define AFMT_S32_BE 0x00002000 /* big endian signed 32 */ 160# define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32 */ 161# define AFMT_U32_BE 0x00008000 /* big endian unsigned 32 */ 162 163# define AFMT_STEREO 0x10000000 /* can do/want stereo */ 164 165/* 166 * the following are really capabilities 167 */ 168# define AFMT_WEIRD 0x20000000 /* weird hardware... */ 169 /* 170 * AFMT_WEIRD reports that the hardware might need to operate 171 * with different formats in the playback and capture 172 * channels when operating in full duplex. 173 * As an example, SoundBlaster16 cards only support U8 in one 174 * direction and S16 in the other one, and applications should 175 * be aware of this limitation. 176 */ 177# define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 178 179/* 180 * The following structure is used to get/set format and sampling rate. 181 * While it would be better to have things such as stereo, bits per 182 * sample, endiannes, etc split in different variables, it turns out 183 * that formats are not that many, and not all combinations are possible. 184 * So we followed the Voxware approach of associating one bit to each 185 * format. 186 */ 187 188typedef struct _snd_chan_param { 189 u_long play_rate; /* sampling rate */ 190 u_long rec_rate; /* sampling rate */ 191 u_long play_format; /* everything describing the format */ 192 u_long rec_format; /* everything describing the format */ 193} snd_chan_param; 194#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 195#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 196 197/* 198 * The following structure is used to get/set the mixer setting. 199 * Up to 32 mixers are supported, each one with up to 32 channels. 200 */ 201typedef struct _snd_mix_param { 202 u_char subdev; /* which output */ 203 u_char line; /* which input */ 204 u_char left,right; /* volumes, 0..255, 0 = mute */ 205} snd_mix_param ; 206 207/* XXX AIOGMIX, AIOSMIX not implemented yet */ 208#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 209#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 210 211/* 212 * channel specifiers used in AIOSTOP and AIOSYNC 213 */ 214#define AIOSYNC_PLAY 0x1 /* play chan */ 215#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 216/* AIOSTOP stop & flush a channel, returns the residual count */ 217#define AIOSTOP _IOWR ('A', 15, int) 218 219/* alternate method used to notify the sync condition */ 220#define AIOSYNC_SIGNAL 0x100 221#define AIOSYNC_SELECT 0x200 222 223/* what the 'pos' field refers to */ 224#define AIOSYNC_READY 0x400 225#define AIOSYNC_FREE 0x800 226 227typedef struct _snd_sync_parm { 228 long chan ; /* play or capture channel, plus modifier */ 229 long pos; 230} snd_sync_parm; 231#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 232 233/* 234 * The following is used to return device capabilities. If the structure 235 * passed to the ioctl is zeroed, default values are returned for rate 236 * and formats, a bitmap of available mixers is returned, and values 237 * (inputs, different levels) for the first one are returned. 238 * 239 * If formats, mixers, inputs are instantiated, then detailed info 240 * are returned depending on the call. 241 */ 242typedef struct _snd_capabilities { 243 u_long rate_min, rate_max; /* min-max sampling rate */ 244 u_long formats; 245 u_long bufsize; /* DMA buffer size */ 246 u_long mixers; /* bitmap of available mixers */ 247 u_long inputs; /* bitmap of available inputs (per mixer) */ 248 u_short left, right; /* how many levels are supported */ 249} snd_capabilities; 250#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 251 252/* 253 * here is the old (Voxware) ioctl interface 254 */ 255 256/* 257 * IOCTL Commands for /dev/sequencer 258 */ 259 260#define SNDCTL_SEQ_RESET _IO ('Q', 0) 261#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 262#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 263#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 264#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 265#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 266#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 267#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 268#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 269#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 270#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 271#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 272#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 273#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 274#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 275#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 276#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 277#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 278#define SNDCTL_SEQ_PANIC _IO ('Q',17) 279#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 280 281struct seq_event_rec { 282 u_char arr[8]; 283}; 284 285#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 286#define SNDCTL_TMR_START _IO ('T', 2) 287#define SNDCTL_TMR_STOP _IO ('T', 3) 288#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 289#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 290#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 291# define TMR_INTERNAL 0x00000001 292# define TMR_EXTERNAL 0x00000002 293# define TMR_MODE_MIDI 0x00000010 294# define TMR_MODE_FSK 0x00000020 295# define TMR_MODE_CLS 0x00000040 296# define TMR_MODE_SMPTE 0x00000080 297#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 298#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 299 300/* 301 * Endian aware patch key generation algorithm. 302 */ 303 304#if defined(_AIX) || defined(AIX) 305# define _PATCHKEY(id) (0xfd00|id) 306#else 307# define _PATCHKEY(id) ((id<<8)|0xfd) 308#endif 309 310/* 311 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 312 * The following patch_info structure has been designed to support 313 * Gravis UltraSound. It tries to be universal format for uploading 314 * sample based patches but is probably too limited. 315 */ 316 317struct patch_info { 318/* u_short key; Use GUS_PATCH here */ 319 short key; /* Use GUS_PATCH here */ 320#define GUS_PATCH _PATCHKEY(0x04) 321#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 322 323 short device_no; /* Synthesizer number */ 324 short instr_no; /* Midi pgm# */ 325 326 u_long mode; 327/* 328 * The least significant byte has the same format than the GUS .PAT 329 * files 330 */ 331#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 332#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 333#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 334#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 335#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 336#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 337#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 338 /* (use the env_rate/env_offs fields). */ 339/* Linux specific bits */ 340#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 341#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 342#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 343/* Other bits must be zeroed */ 344 345 long len; /* Size of the wave data in bytes */ 346 long loop_start, loop_end; /* Byte offsets from the beginning */ 347 348/* 349 * The base_freq and base_note fields are used when computing the 350 * playback speed for a note. The base_note defines the tone frequency 351 * which is heard if the sample is played using the base_freq as the 352 * playback speed. 353 * 354 * The low_note and high_note fields define the minimum and maximum note 355 * frequencies for which this sample is valid. It is possible to define 356 * more than one samples for a instrument number at the same time. The 357 * low_note and high_note fields are used to select the most suitable one. 358 * 359 * The fields base_note, high_note and low_note should contain 360 * the note frequency multiplied by 1000. For example value for the 361 * middle A is 440*1000. 362 */ 363 364 u_int base_freq; 365 u_long base_note; 366 u_long high_note; 367 u_long low_note; 368 int panning; /* -128=left, 127=right */ 369 int detuning; 370 371/* New fields introduced in version 1.99.5 */ 372 373 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 374 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 375 u_char env_offset[ 6 ]; /* 255 == 100% */ 376 377 /* 378 * The tremolo, vibrato and scale info are not supported yet. 379 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 380 * WAVE_SCALE 381 */ 382 383 u_char tremolo_sweep; 384 u_char tremolo_rate; 385 u_char tremolo_depth; 386 387 u_char vibrato_sweep; 388 u_char vibrato_rate; 389 u_char vibrato_depth; 390 391 int scale_frequency; 392 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 393 394 int volume; 395 int spare[4]; 396 char data[1]; /* The waveform data starts here */ 397}; 398 399struct sysex_info { 400 short key; /* Use GUS_PATCH here */ 401#define SYSEX_PATCH _PATCHKEY(0x05) 402#define MAUI_PATCH _PATCHKEY(0x06) 403 short device_no; /* Synthesizer number */ 404 long len; /* Size of the sysex data in bytes */ 405 u_char data[1]; /* Sysex data starts here */ 406}; 407 408/* 409 * Patch management interface (/dev/sequencer, /dev/patmgr#) 410 * Don't use these calls if you want to maintain compatibility with 411 * the future versions of the driver. 412 */ 413 414#define PS_NO_PATCHES 0 /* No patch support on device */ 415#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 416#define PS_MGR_OK 2 /* Patch manager supported */ 417#define PS_MANAGED 3 /* Patch manager running */ 418 419#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 420 421/* 422 * The patmgr_info is a fixed size structure which is used for two 423 * different purposes. The intended use is for communication between 424 * the application using /dev/sequencer and the patch manager daemon 425 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 426 * 427 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 428 * a patch manager daemon to read and write device parameters. This 429 * ioctl available through /dev/sequencer also. Avoid using it since it's 430 * extremely hardware dependent. In addition access trough /dev/sequencer 431 * may confuse the patch manager daemon. 432 */ 433 434struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 435 u_long key; /* Don't worry. Reserved for communication 436 between the patch manager and the driver. */ 437#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 438#define PM_K_COMMAND 2 /* Request from a application */ 439#define PM_K_RESPONSE 3 /* From patmgr to application */ 440#define PM_ERROR 4 /* Error returned by the patmgr */ 441 int device; 442 int command; 443 444/* 445 * Commands 0x000 to 0xfff reserved for patch manager programs 446 */ 447#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 448#define PMTYPE_FM2 1 /* 2 OP fm */ 449#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 450#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 451#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 452#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 453#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 454#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 455#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 456#define PM_READ_PATCH 7 /* Read patch (wave) data */ 457#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 458 459/* 460 * Commands 0x1000 to 0xffff are for communication between the patch manager 461 * and the client 462 */ 463#define _PM_LOAD_PATCH 0x100 464 465/* 466 * Commands above 0xffff reserved for device specific use 467 */ 468 469 long parm1; 470 long parm2; 471 long parm3; 472 473 union { 474 u_char data8[4000]; 475 u_short data16[2000]; 476 u_long data32[1000]; 477 struct patch_info patch; 478 } data; 479}; 480 481/* 482 * When a patch manager daemon is present, it will be informed by the 483 * driver when something important happens. For example when the 484 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 485 * returned. The command field contains the event type: 486 */ 487#define PM_E_OPENED 1 /* /dev/sequencer opened */ 488#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 489#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 490#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 491 492/* 493 * /dev/sequencer input events. 494 * 495 * The data written to the /dev/sequencer is a stream of events. Events 496 * are records of 4 or 8 bytes. The first byte defines the size. 497 * Any number of events can be written with a write call. There 498 * is a set of macros for sending these events. Use these macros if you 499 * want to maximize portability of your program. 500 * 501 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 502 * (All input events are currently 4 bytes long. Be prepared to support 503 * 8 byte events also. If you receive any event having first byte >= 128, 504 * it's a 8 byte event. 505 * 506 * The events are documented at the end of this file. 507 * 508 * Normal events (4 bytes) 509 * There is also a 8 byte version of most of the 4 byte events. The 510 * 8 byte one is recommended. 511 */ 512#define SEQ_NOTEOFF 0 513#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 514#define SEQ_NOTEON 1 515#define SEQ_FMNOTEON SEQ_NOTEON 516#define SEQ_WAIT TMR_WAIT_ABS 517#define SEQ_PGMCHANGE 3 518#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 519#define SEQ_SYNCTIMER TMR_START 520#define SEQ_MIDIPUTC 5 521#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 522#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 523#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 524#define SEQ_AFTERTOUCH 9 525#define SEQ_CONTROLLER 10 526 527/* 528 * Midi controller numbers 529 * 530 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 531 * are continuous controllers. 532 * In the MIDI 1.0 these controllers are sent using two messages. 533 * Controller numbers 0 to 31 are used to send the MSB and the 534 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 535 * are used in MIDI bytes. 536 */ 537 538#define CTL_BANK_SELECT 0x00 539#define CTL_MODWHEEL 0x01 540#define CTL_BREATH 0x02 541/* undefined 0x03 */ 542#define CTL_FOOT 0x04 543#define CTL_PORTAMENTO_TIME 0x05 544#define CTL_DATA_ENTRY 0x06 545#define CTL_MAIN_VOLUME 0x07 546#define CTL_BALANCE 0x08 547/* undefined 0x09 */ 548#define CTL_PAN 0x0a 549#define CTL_EXPRESSION 0x0b 550/* undefined 0x0c - 0x0f */ 551#define CTL_GENERAL_PURPOSE1 0x10 552#define CTL_GENERAL_PURPOSE2 0x11 553#define CTL_GENERAL_PURPOSE3 0x12 554#define CTL_GENERAL_PURPOSE4 0x13 555/* undefined 0x14 - 0x1f */ 556 557/* undefined 0x20 */ 558 559/* 560 * The controller numbers 0x21 to 0x3f are reserved for the 561 * least significant bytes of the controllers 0x00 to 0x1f. 562 * These controllers are not recognised by the driver. 563 * 564 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 565 * 0=OFF and 127=ON (intermediate values are possible) 566 */ 567#define CTL_DAMPER_PEDAL 0x40 568#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 569#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 570#define CTL_PORTAMENTO 0x41 571#define CTL_SOSTENUTO 0x42 572#define CTL_SOFT_PEDAL 0x43 573/* undefined 0x44 */ 574#define CTL_HOLD2 0x45 575/* undefined 0x46 - 0x4f */ 576 577#define CTL_GENERAL_PURPOSE5 0x50 578#define CTL_GENERAL_PURPOSE6 0x51 579#define CTL_GENERAL_PURPOSE7 0x52 580#define CTL_GENERAL_PURPOSE8 0x53 581/* undefined 0x54 - 0x5a */ 582#define CTL_EXT_EFF_DEPTH 0x5b 583#define CTL_TREMOLO_DEPTH 0x5c 584#define CTL_CHORUS_DEPTH 0x5d 585#define CTL_DETUNE_DEPTH 0x5e 586#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 587#define CTL_PHASER_DEPTH 0x5f 588#define CTL_DATA_INCREMENT 0x60 589#define CTL_DATA_DECREMENT 0x61 590#define CTL_NONREG_PARM_NUM_LSB 0x62 591#define CTL_NONREG_PARM_NUM_MSB 0x63 592#define CTL_REGIST_PARM_NUM_LSB 0x64 593#define CTL_REGIST_PARM_NUM_MSB 0x65 594/* undefined 0x66 - 0x78 */ 595/* reserved 0x79 - 0x7f */ 596 597/* Pseudo controllers (not midi compatible) */ 598#define CTRL_PITCH_BENDER 255 599#define CTRL_PITCH_BENDER_RANGE 254 600#define CTRL_EXPRESSION 253 /* Obsolete */ 601#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 602 603#define SEQ_BALANCE 11 604#define SEQ_VOLMODE 12 605 606/* 607 * Volume mode decides how volumes are used 608 */ 609 610#define VOL_METHOD_ADAGIO 1 611#define VOL_METHOD_LINEAR 2 612 613/* 614 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 615 * input events. 616 */ 617 618/* 619 * Event codes 0xf0 to 0xfc are reserved for future extensions. 620 */ 621 622#define SEQ_FULLSIZE 0xfd /* Long events */ 623/* 624 * SEQ_FULLSIZE events are used for loading patches/samples to the 625 * synthesizer devices. These events are passed directly to the driver 626 * of the associated synthesizer device. There is no limit to the size 627 * of the extended events. These events are not queued but executed 628 * immediately when the write() is called (execution can take several 629 * seconds of time). 630 * 631 * When a SEQ_FULLSIZE message is written to the device, it must 632 * be written using exactly one write() call. Other events cannot 633 * be mixed to the same write. 634 * 635 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 636 * it to the /dev/sequencer. Don't write other data together with 637 * the instrument structure Set the key field of the structure to 638 * FM_PATCH. The device field is used to route the patch to the 639 * corresponding device. 640 * 641 * For Gravis UltraSound use struct patch_info. Initialize the key field 642 * to GUS_PATCH. 643 */ 644#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 645#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 646 647/* 648 * Record for FM patches 649 */ 650 651typedef u_char sbi_instr_data[32]; 652 653struct sbi_instrument { 654 u_short key; /* FM_PATCH or OPL3_PATCH */ 655#define FM_PATCH _PATCHKEY(0x01) 656#define OPL3_PATCH _PATCHKEY(0x03) 657 short device; /* Synth# (0-4) */ 658 int channel; /* Program# to be initialized */ 659 sbi_instr_data operators; /* Reg. settings for operator cells 660 * (.SBI format) */ 661}; 662 663struct synth_info { /* Read only */ 664 char name[30]; 665 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 666 int synth_type; 667#define SYNTH_TYPE_FM 0 668#define SYNTH_TYPE_SAMPLE 1 669#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 670 671 int synth_subtype; 672#define FM_TYPE_ADLIB 0x00 673#define FM_TYPE_OPL3 0x01 674 675#define SAMPLE_TYPE_BASIC 0x10 676#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 677#define SAMPLE_TYPE_AWE32 0x20 678 679 int perc_mode; /* No longer supported */ 680 int nr_voices; 681 int nr_drums; /* Obsolete field */ 682 int instr_bank_size; 683 u_long capabilities; 684#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 685#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 686#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 687 int dummies[19]; /* Reserve space */ 688}; 689 690struct sound_timer_info { 691 char name[32]; 692 int caps; 693}; 694 695#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 696 697struct midi_info { 698 char name[30]; 699 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 700 u_long capabilities; /* To be defined later */ 701 int dev_type; 702 int dummies[18]; /* Reserve space */ 703}; 704 705/* 706 * ioctl commands for the /dev/midi## 707 */ 708typedef struct { 709 u_char cmd; 710 char nr_args, nr_returns; 711 u_char data[30]; 712} mpu_command_rec; 713 714#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 715#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 716#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 717#define MIOSPASSTHRU _IOWR('m', 3, int) 718#define MIOGPASSTHRU _IOWR('m', 4, int) 719 720/* 721 * IOCTL commands for /dev/dsp and /dev/audio 722 */ 723 724#define SNDCTL_DSP_RESET _IO ('P', 0) 725#define SNDCTL_DSP_SYNC _IO ('P', 1) 726#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 727#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 728#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 729#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 730#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 731 732/* 733 * SOUND_PCM_WRITE_CHANNELS is not that different 734 * from SNDCTL_DSP_STEREO 735 */ 736#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 737#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 738#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 739#define SNDCTL_DSP_POST _IO ('P', 8) 740 741/* 742 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 743 * the same thing, i.e. set the block size used in DMA transfers. 744 */ 745#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 746#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 747 748 749#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 750/* 751 * Buffer status queries. 752 */ 753typedef struct audio_buf_info { 754 int fragments; /* # of avail. frags (partly used ones not counted) */ 755 int fragstotal; /* Total # of fragments allocated */ 756 int fragsize; /* Size of a fragment in bytes */ 757 758 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 759 /* Note! 'bytes' could be more than fragments*fragsize */ 760} audio_buf_info; 761 762#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 763#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 764 765/* 766 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 767 * action cannot be undone) of FIONBIO. The same can be achieved 768 * by opening the device with O_NDELAY 769 */ 770#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 771 772#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 773#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 774#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 775#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 776#define DSP_CAP_BATCH 0x00000400 777 /* 778 * Device has some kind of internal buffers which may 779 * cause some delays and decrease precision of timing 780 */ 781#define DSP_CAP_COPROC 0x00000800 782 /* Has a coprocessor, sometimes it's a DSP but usually not */ 783#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 784#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 785 786/* 787 * What do these function do ? 788 */ 789#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 790#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 791#define PCM_ENABLE_INPUT 0x00000001 792#define PCM_ENABLE_OUTPUT 0x00000002 793 794typedef struct count_info { 795 int bytes; /* Total # of bytes processed */ 796 int blocks; /* # of fragment transitions since last time */ 797 int ptr; /* Current DMA pointer value */ 798} count_info; 799 800/* 801 * GETIPTR and GETISPACE are not that different... same for out. 802 */ 803#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 804#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 805 806typedef struct buffmem_desc { 807 caddr_t buffer; 808 int size; 809} buffmem_desc; 810 811#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 812#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 813#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 814#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 815#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 816 817/* 818 * I guess these are the readonly version of the same 819 * functions that exist above as SNDCTL_DSP_... 820 */ 821#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 822#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 823#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 824#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 825 826/* 827 * ioctl calls to be used in communication with coprocessors and 828 * DSP chips. 829 */ 830 831typedef struct copr_buffer { 832 int command; /* Set to 0 if not used */ 833 int flags; 834#define CPF_NONE 0x0000 835#define CPF_FIRST 0x0001 /* First block */ 836#define CPF_LAST 0x0002 /* Last block */ 837 int len; 838 int offs; /* If required by the device (0 if not used) */ 839 840 u_char data[4000]; /* NOTE! 4000 is not 4k */ 841} copr_buffer; 842 843typedef struct copr_debug_buf { 844 int command; /* Used internally. Set to 0 */ 845 int parm1; 846 int parm2; 847 int flags; 848 int len; /* Length of data in bytes */ 849} copr_debug_buf; 850 851typedef struct copr_msg { 852 int len; 853 u_char data[4000]; 854} copr_msg; 855 856#define SNDCTL_COPR_RESET _IO ('C', 0) 857#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 858#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 859#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 860#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 861#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 862#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 863#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 864#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 865#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 866 867/* 868 * IOCTL commands for /dev/mixer 869 */ 870 871/* 872 * Mixer devices 873 * 874 * There can be up to 20 different analog mixer channels. The 875 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 876 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 877 * the devices supported by the particular mixer. 878 */ 879 880#define SOUND_MIXER_NRDEVICES 25 881#define SOUND_MIXER_VOLUME 0 882#define SOUND_MIXER_BASS 1 883#define SOUND_MIXER_TREBLE 2 884#define SOUND_MIXER_SYNTH 3 885#define SOUND_MIXER_PCM 4 886#define SOUND_MIXER_SPEAKER 5 887#define SOUND_MIXER_LINE 6 888#define SOUND_MIXER_MIC 7 889#define SOUND_MIXER_CD 8 890#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 891#define SOUND_MIXER_ALTPCM 10 892#define SOUND_MIXER_RECLEV 11 /* Recording level */ 893#define SOUND_MIXER_IGAIN 12 /* Input gain */ 894#define SOUND_MIXER_OGAIN 13 /* Output gain */ 895/* 896 * The AD1848 codec and compatibles have three line level inputs 897 * (line, aux1 and aux2). Since each card manufacturer have assigned 898 * different meanings to these inputs, it's inpractical to assign 899 * specific meanings (line, cd, synth etc.) to them. 900 */ 901#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 902#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 903#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 904#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 905#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 906#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 907#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 908#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 909#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 910#define SOUND_MIXER_RADIO 23 /* Radio in */ 911#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 912 913 914/* 915 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 916 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 917 */ 918#define SOUND_ONOFF_MIN 28 919#define SOUND_ONOFF_MAX 30 920#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 921#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 922#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 923 924/* Note! Number 31 cannot be used since the sign bit is reserved */ 925#define SOUND_MIXER_NONE 31 926 927#define SOUND_DEVICE_LABELS { \ 928 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 929 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 930 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 931 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 932 933#define SOUND_DEVICE_NAMES { \ 934 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 935 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 936 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 937 "phin", "phout", "video", "radio", "monitor"} 938 939/* Device bitmask identifiers */ 940 941#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 942#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 943#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 944#define SOUND_MIXER_CAPS 0xfc 945#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 946#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 947 948/* Device mask bits */ 949 950#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 951#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 952#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 953#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 954#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 955#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 956#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 957#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 958#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 959#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 960#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 961#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 962#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 963#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 964#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 965#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 966#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 967#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 968#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 969#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 970#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 971#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 972#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 973#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 974#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 975 976/* Obsolete macros */ 977#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 978#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 979#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 980 981#define MIXER_READ(dev) _IOR('M', dev, int) 982#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 983#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 984#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 985#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 986#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 987#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 988#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 989#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 990#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 991#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 992#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 993#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 994#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 995#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 996#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 997#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 998#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 999 1000/* Obsolete macros */ 1001#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1002#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1003#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1004 1005#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1006#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1007#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1008#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1009#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1010 1011#define MIXER_WRITE(dev) _IOWR('M', dev, int) 1012#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1013#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1014#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1015#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1016#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1017#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1018#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1019#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1020#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1021#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1022#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1023#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1024#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1025#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1026#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1027#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1028#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1029#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1030#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1031#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1032 1033#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1034 1035#define LEFT_CHN 0 1036#define RIGHT_CHN 1 1037 1038/* 1039 * Level 2 event types for /dev/sequencer 1040 */ 1041 1042/* 1043 * The 4 most significant bits of byte 0 specify the class of 1044 * the event: 1045 * 1046 * 0x8X = system level events, 1047 * 0x9X = device/port specific events, event[1] = device/port, 1048 * The last 4 bits give the subtype: 1049 * 0x02 = Channel event (event[3] = chn). 1050 * 0x01 = note event (event[4] = note). 1051 * (0x01 is not used alone but always with bit 0x02). 1052 * event[2] = MIDI message code (0x80=note off etc.) 1053 * 1054 */ 1055 1056#define EV_SEQ_LOCAL 0x80 1057#define EV_TIMING 0x81 1058#define EV_CHN_COMMON 0x92 1059#define EV_CHN_VOICE 0x93 1060#define EV_SYSEX 0x94 1061/* 1062 * Event types 200 to 220 are reserved for application use. 1063 * These numbers will not be used by the driver. 1064 */ 1065 1066/* 1067 * Events for event type EV_CHN_VOICE 1068 */ 1069 1070#define MIDI_NOTEOFF 0x80 1071#define MIDI_NOTEON 0x90 1072#define MIDI_KEY_PRESSURE 0xA0 1073 1074/* 1075 * Events for event type EV_CHN_COMMON 1076 */ 1077 1078#define MIDI_CTL_CHANGE 0xB0 1079#define MIDI_PGM_CHANGE 0xC0 1080#define MIDI_CHN_PRESSURE 0xD0 1081#define MIDI_PITCH_BEND 0xE0 1082 1083#define MIDI_SYSTEM_PREFIX 0xF0 1084 1085/* 1086 * Timer event types 1087 */ 1088#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1089#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1090#define TMR_STOP 3 1091#define TMR_START 4 1092#define TMR_CONTINUE 5 1093#define TMR_TEMPO 6 1094#define TMR_ECHO 8 1095#define TMR_CLOCK 9 /* MIDI clock */ 1096#define TMR_SPP 10 /* Song position pointer */ 1097#define TMR_TIMESIG 11 /* Time signature */ 1098 1099/* 1100 * Local event types 1101 */ 1102#define LOCL_STARTAUDIO 1 1103 1104#if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1105/* 1106 * Some convenience macros to simplify programming of the 1107 * /dev/sequencer interface 1108 * 1109 * These macros define the API which should be used when possible. 1110 */ 1111 1112#ifndef USE_SIMPLE_MACROS 1113void seqbuf_dump __P((void)); /* This function must be provided by programs */ 1114 1115/* Sample seqbuf_dump() implementation: 1116 * 1117 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1118 * 1119 * int seqfd; -- The file descriptor for /dev/sequencer. 1120 * 1121 * void 1122 * seqbuf_dump () 1123 * { 1124 * if (_seqbufptr) 1125 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1126 * { 1127 * perror ("write /dev/sequencer"); 1128 * exit (-1); 1129 * } 1130 * _seqbufptr = 0; 1131 * } 1132 */ 1133 1134#define SEQ_DEFINEBUF(len) \ 1135 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1136#define SEQ_USE_EXTBUF() \ 1137 extern u_char _seqbuf[]; \ 1138 extern int _seqbuflen;extern int _seqbufptr 1139#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1140#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1141#define _SEQ_NEEDBUF(len) \ 1142 if ((_seqbufptr+(len)) > _seqbuflen) \ 1143 seqbuf_dump() 1144#define _SEQ_ADVBUF(len) _seqbufptr += len 1145#define SEQ_DUMPBUF seqbuf_dump 1146#else 1147/* 1148 * This variation of the sequencer macros is used just to format one event 1149 * using fixed buffer. 1150 * 1151 * The program using the macro library must define the following macros before 1152 * using this library. 1153 * 1154 * #define _seqbuf name of the buffer (u_char[]) 1155 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1156 * size of the event, this macro can be used. 1157 * Otherwise this must be defined as empty. 1158 * #define _seqbufptr Define the name of index variable or 0 if 1159 * not required. 1160 */ 1161#define _SEQ_NEEDBUF(len) /* empty */ 1162#endif 1163 1164#define PM_LOAD_PATCH(dev, bank, pgm) \ 1165 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1166 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1167 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1168 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1169#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1170 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1171 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1172 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1173 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1174 1175#define SEQ_VOLUME_MODE(dev, mode) { \ 1176 _SEQ_NEEDBUF(8);\ 1177 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1178 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1179 _seqbuf[_seqbufptr+2] = (dev);\ 1180 _seqbuf[_seqbufptr+3] = (mode);\ 1181 _seqbuf[_seqbufptr+4] = 0;\ 1182 _seqbuf[_seqbufptr+5] = 0;\ 1183 _seqbuf[_seqbufptr+6] = 0;\ 1184 _seqbuf[_seqbufptr+7] = 0;\ 1185 _SEQ_ADVBUF(8);} 1186 1187/* 1188 * Midi voice messages 1189 */ 1190 1191#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1192 _SEQ_NEEDBUF(8);\ 1193 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1194 _seqbuf[_seqbufptr+1] = (dev);\ 1195 _seqbuf[_seqbufptr+2] = (event);\ 1196 _seqbuf[_seqbufptr+3] = (chn);\ 1197 _seqbuf[_seqbufptr+4] = (note);\ 1198 _seqbuf[_seqbufptr+5] = (parm);\ 1199 _seqbuf[_seqbufptr+6] = (0);\ 1200 _seqbuf[_seqbufptr+7] = 0;\ 1201 _SEQ_ADVBUF(8);} 1202 1203#define SEQ_START_NOTE(dev, chn, note, vol) \ 1204 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1205 1206#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1207 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1208 1209#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1210 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1211 1212/* 1213 * Midi channel messages 1214 */ 1215 1216#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1217 _SEQ_NEEDBUF(8);\ 1218 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1219 _seqbuf[_seqbufptr+1] = (dev);\ 1220 _seqbuf[_seqbufptr+2] = (event);\ 1221 _seqbuf[_seqbufptr+3] = (chn);\ 1222 _seqbuf[_seqbufptr+4] = (p1);\ 1223 _seqbuf[_seqbufptr+5] = (p2);\ 1224 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1225 _SEQ_ADVBUF(8);} 1226/* 1227 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1228 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1229 * so _will_ cause problems with MPU401 intelligent mode). 1230 * 1231 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1232 * sent by calling SEQ_SYSEX() several times (there must be no other events 1233 * between them). First sysex fragment must have 0xf0 in the first byte 1234 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1235 * between these sysex start and end markers cannot be larger than 0x7f. Also 1236 * lengths of each fragments (except the last one) must be 6. 1237 * 1238 * Breaking the above rules may work with some MIDI ports but is likely to 1239 * cause fatal problems with some other devices (such as MPU401). 1240 */ 1241#define SEQ_SYSEX(dev, buf, len) { \ 1242 int i, l=(len); if (l>6)l=6;\ 1243 _SEQ_NEEDBUF(8);\ 1244 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1245 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1246 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1247 _SEQ_ADVBUF(8);} 1248 1249#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1250 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1251 1252#define SEQ_SET_PATCH(dev, chn, patch) \ 1253 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1254 1255#define SEQ_CONTROL(dev, chn, controller, value) \ 1256 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1257 1258#define SEQ_BENDER(dev, chn, value) \ 1259 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1260 1261 1262#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1263 _SEQ_NEEDBUF(8);\ 1264 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1265 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1266 _seqbuf[_seqbufptr+2] = (dev);\ 1267 _seqbuf[_seqbufptr+3] = (voice);\ 1268 _seqbuf[_seqbufptr+4] = (controller);\ 1269 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1270 _seqbuf[_seqbufptr+7] = 0;\ 1271 _SEQ_ADVBUF(8);} 1272 1273/* 1274 * The following 5 macros are incorrectly implemented and obsolete. 1275 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1276 */ 1277 1278#define SEQ_PITCHBEND(dev, voice, value) \ 1279 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1280#define SEQ_BENDER_RANGE(dev, voice, value) \ 1281 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1282#define SEQ_EXPRESSION(dev, voice, value) \ 1283 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1284#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1285 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1286#define SEQ_PANNING(dev, voice, pos) \ 1287 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1288 1289/* 1290 * Timing and syncronization macros 1291 */ 1292 1293#define _TIMER_EVENT(ev, parm) { \ 1294 _SEQ_NEEDBUF(8);\ 1295 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1296 _seqbuf[_seqbufptr+1] = (ev); \ 1297 _seqbuf[_seqbufptr+2] = 0;\ 1298 _seqbuf[_seqbufptr+3] = 0;\ 1299 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1300 _SEQ_ADVBUF(8); \ 1301 } 1302 1303#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1304#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1305#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1306#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1307#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1308#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1309#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1310#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1311#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1312 1313/* 1314 * Local control events 1315 */ 1316 1317#define _LOCAL_EVENT(ev, parm) { \ 1318 _SEQ_NEEDBUF(8);\ 1319 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1320 _seqbuf[_seqbufptr+1] = (ev); \ 1321 _seqbuf[_seqbufptr+2] = 0;\ 1322 _seqbuf[_seqbufptr+3] = 0;\ 1323 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1324 _SEQ_ADVBUF(8); \ 1325 } 1326 1327#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1328/* 1329 * Events for the level 1 interface only 1330 */ 1331 1332#define SEQ_MIDIOUT(device, byte) { \ 1333 _SEQ_NEEDBUF(4);\ 1334 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1335 _seqbuf[_seqbufptr+1] = (byte);\ 1336 _seqbuf[_seqbufptr+2] = (device);\ 1337 _seqbuf[_seqbufptr+3] = 0;\ 1338 _SEQ_ADVBUF(4);} 1339 1340/* 1341 * Patch loading. 1342 */ 1343#define SEQ_WRPATCH(patchx, len) { \ 1344 if (_seqbufptr) seqbuf_dump(); \ 1345 if (write(seqfd, (char*)(patchx), len)==-1) \ 1346 perror("Write patch: /dev/sequencer"); \ 1347 } 1348 1349#define SEQ_WRPATCH2(patchx, len) \ 1350 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1351 1352#endif 1353 1354/* 1355 * Here I have moved all the aliases for ioctl names. 1356 */ 1357 1358#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1359#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1360#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1361 1362#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1363#define SOUND_PCM_POST SNDCTL_DSP_POST 1364#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1365#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1366#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1367#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1368#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1369#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1370#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1371#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1372#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1373#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1374#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1375#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1376#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1377#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1378#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1379#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1380 1381#endif /* !_SYS_SOUNDCARD_H_ */ 1382