soundcard.h revision 3256
1#ifndef SOUNDCARD_H 2#define SOUNDCARD_H 3 4#ifndef _I386_MACHINE_SOUNDCARD_H_ 5#define _I386_MACHINE_SOUNDCARD_H_ 6 7/* 8 * Copyright by Hannu Savolainen 1993 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $Id: soundcard.h,v 1.8 1994/09/27 17:58:00 davidg Exp $ 32 */ 33 34 /* 35 * If you make modifications to this file, please contact me before 36 * distributing the modified version. There is already enough 37 * divercity in the world. 38 * 39 * Regards, 40 * Hannu Savolainen 41 * hannu@voxware.pp.fi 42 */ 43 44#define SOUND_VERSION 203 45#define VOXWARE 46 47#include <sys/ioctl.h> 48 49/* 50 * Supported card ID numbers (Should be somewhere else?) 51 */ 52 53#define SNDCARD_ADLIB 1 54#define SNDCARD_SB 2 55#define SNDCARD_PAS 3 56#define SNDCARD_GUS 4 57#define SNDCARD_MPU401 5 58#define SNDCARD_SB16 6 59#define SNDCARD_SB16MIDI 7 60#define SNDCARD_UART6850 8 61#define SNDCARD_GUS16 9 62#define SNDCARD_MSS 10 63#define SNDCARD_PSS 11 64 65/*********************************** 66 * IOCTL Commands for /dev/sequencer 67 */ 68 69#ifndef _IOWR 70/* @(#)ioctlp.h */ 71 72/* Ioctl's have the command encoded in the lower word, 73 * and the size of any in or out parameters in the upper 74 * word. The high 2 bits of the upper word are used 75 * to encode the in/out status of the parameter; for now 76 * we restrict parameters to at most 128 bytes. 77 */ 78/* #define IOCTYPE (0xff<<8) */ 79#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */ 80#define IOC_VOID 0x00000000 /* no parameters */ 81#define IOC_OUT 0x20000000 /* copy out parameters */ 82#define IOC_IN 0x40000000 /* copy in parameters */ 83#define IOC_INOUT (IOC_IN|IOC_OUT) 84/* the 0x20000000 is so we can distinguish new ioctl's from old */ 85#define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y)) 86#define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 87#define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 88/* this should be _IORW, but stdio got there first */ 89#define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 90#endif /* !_IOWR */ 91 92#define SNDCTL_SEQ_RESET _IO ('Q', 0) 93#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 94#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 95#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 96#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 97#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 98#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 99#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 100#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 101#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 102#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 103#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 104#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 105#define SNDCTL_SEQ_TRESHOLD _IOW ('Q',13, int) 106#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 107#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 108#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 109#define SNDCTL_SEQ_PANIC _IO ('Q',17) 110 111#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 112#define SNDCTL_TMR_START _IO ('T', 2) 113#define SNDCTL_TMR_STOP _IO ('T', 3) 114#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 115#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 116#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 117# define TMR_INTERNAL 0x00000001 118# define TMR_EXTERNAL 0x00000002 119# define TMR_MODE_MIDI 0x00000010 120# define TMR_MODE_FSK 0x00000020 121# define TMR_MODE_CLS 0x00000040 122# define TMR_MODE_SMPTE 0x00000080 123#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 124#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 125 126/* 127 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 128 * The following patch_info structure has been designed to support 129 * Gravis UltraSound. It tries to be universal format for uploading 130 * sample based patches but is propably too limited. 131 */ 132 133struct patch_info { 134 short key; /* Use GUS_PATCH here */ 135#define GUS_PATCH 0x04fd 136#define OBSOLETE_GUS_PATCH 0x02fd 137 short device_no; /* Synthesizer number */ 138 short instr_no; /* Midi pgm# */ 139 140 unsigned long mode; 141/* 142 * The least significant byte has the same format than the GUS .PAT 143 * files 144 */ 145#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 146#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 147#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 148#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 149#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 150#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 151#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 152 /* (use the env_rate/env_offs fields). */ 153/* Linux specific bits */ 154#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 155#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 156#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 157/* Other bits must be zeroed */ 158 159 long len; /* Size of the wave data in bytes */ 160 long loop_start, loop_end; /* Byte offsets from the beginning */ 161 162/* 163 * The base_freq and base_note fields are used when computing the 164 * playback speed for a note. The base_note defines the tone frequency 165 * which is heard if the sample is played using the base_freq as the 166 * playback speed. 167 * 168 * The low_note and high_note fields define the minimum and maximum note 169 * frequencies for which this sample is valid. It is possible to define 170 * more than one samples for a instrument number at the same time. The 171 * low_note and high_note fields are used to select the most suitable one. 172 * 173 * The fields base_note, high_note and low_note should contain 174 * the note frequency multiplied by 1000. For example value for the 175 * middle A is 440*1000. 176 */ 177 178 unsigned int base_freq; 179 unsigned long base_note; 180 unsigned long high_note; 181 unsigned long low_note; 182 int panning; /* -128=left, 127=right */ 183 int detuning; 184 185/* New fields introduced in version 1.99.5 */ 186 187 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 188 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 189 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 190 191 /* 192 * The tremolo, vibrato and scale info are not supported yet. 193 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 194 * WAVE_SCALE 195 */ 196 197 unsigned char tremolo_sweep; 198 unsigned char tremolo_rate; 199 unsigned char tremolo_depth; 200 201 unsigned char vibrato_sweep; 202 unsigned char vibrato_rate; 203 unsigned char vibrato_depth; 204 205 int scale_frequency; 206 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 207 208 int volume; 209 int spare[4]; 210 char data[1]; /* The waveform data starts here */ 211 }; 212 213 214struct sysex_info { 215 short key; /* Use GUS_PATCH here */ 216#define SYSEX_PATCH 0x05fd 217 short device_no; /* Synthesizer number */ 218 long len; /* Size of the sysex data in bytes */ 219 unsigned char data[1]; /* Sysex data starts here */ 220 }; 221 222/* 223 * Patch management interface (/dev/sequencer, /dev/patmgr#) 224 * Don't use these calls if you want to maintain compatibility with 225 * the future versions of the driver. 226 */ 227 228#define PS_NO_PATCHES 0 /* No patch support on device */ 229#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 230#define PS_MGR_OK 2 /* Patch manager supported */ 231#define PS_MANAGED 3 /* Patch manager running */ 232 233#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 234 235/* 236 * The patmgr_info is a fixed size structure which is used for two 237 * different purposes. The intended use is for communication between 238 * the application using /dev/sequencer and the patch manager daemon 239 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 240 * 241 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 242 * a patch manager daemon to read and write device parameters. This 243 * ioctl available through /dev/sequencer also. Avoid using it since it's 244 * extremely hardware dependent. In addition access trough /dev/sequencer 245 * may confuse the patch manager daemon. 246 */ 247 248struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 249 unsigned long key; /* Don't worry. Reserved for communication 250 between the patch manager and the driver. */ 251#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 252#define PM_K_COMMAND 2 /* Request from a application */ 253#define PM_K_RESPONSE 3 /* From patmgr to application */ 254#define PM_ERROR 4 /* Error returned by the patmgr */ 255 int device; 256 int command; 257 258/* 259 * Commands 0x000 to 0xfff reserved for patch manager programs 260 */ 261#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 262#define PMTYPE_FM2 1 /* 2 OP fm */ 263#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 264#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 265#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 266#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 267#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 268#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 269#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 270#define PM_READ_PATCH 7 /* Read patch (wave) data */ 271#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 272 273/* 274 * Commands 0x1000 to 0xffff are for communication between the patch manager 275 * and the client 276 */ 277#define _PM_LOAD_PATCH 0x100 278 279/* 280 * Commands above 0xffff reserved for device specific use 281 */ 282 283 long parm1; 284 long parm2; 285 long parm3; 286 287 union { 288 unsigned char data8[4000]; 289 unsigned short data16[2000]; 290 unsigned long data32[1000]; 291 struct patch_info patch; 292 } data; 293 }; 294 295/* 296 * When a patch manager daemon is present, it will be informed by the 297 * driver when something important happens. For example when the 298 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 299 * returned. The command field contains the event type: 300 */ 301#define PM_E_OPENED 1 /* /dev/sequencer opened */ 302#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 303#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 304#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 305 306/* 307 * /dev/sequencer input events. 308 * 309 * The data written to the /dev/sequencer is a stream of events. Events 310 * are records of 4 or 8 bytes. The first byte defines the size. 311 * Any number of events can be written with a write call. There 312 * is a set of macros for sending these events. Use these macros if you 313 * want to maximize portability of your program. 314 * 315 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 316 * (All input events are currently 4 bytes long. Be prepared to support 317 * 8 byte events also. If you receive any event having first byte >= 128, 318 * it's a 8 byte event. 319 * 320 * The events are documented at the end of this file. 321 * 322 * Normal events (4 bytes) 323 * There is also a 8 byte version of most of the 4 byte events. The 324 * 8 byte one is recommended. 325 */ 326#define SEQ_NOTEOFF 0 327#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 328#define SEQ_NOTEON 1 329#define SEQ_FMNOTEON SEQ_NOTEON 330#define SEQ_WAIT TMR_WAIT_ABS 331#define SEQ_PGMCHANGE 3 332#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 333#define SEQ_SYNCTIMER TMR_START 334#define SEQ_MIDIPUTC 5 335#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 336#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 337#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 338#define SEQ_AFTERTOUCH 9 339#define SEQ_CONTROLLER 10 340 341/******************************************* 342 * Midi controller numbers 343 ******************************************* 344 * Controllers 0 to 31 (0x00 to 0x1f) and 345 * 32 to 63 (0x20 to 0x3f) are continuous 346 * controllers. 347 * In the MIDI 1.0 these controllers are sent using 348 * two messages. Controller numbers 0 to 31 are used 349 * to send the LSB and the controller numbers 32 to 63 350 * are for the LSB. 351 * 352 * This driver uses just the numbers 0 to 31 to store both 353 * the LSB and MSB. The controller value is a unsigned short 354 * and it's valid range is between 0 and 16383 (0x0000 to 0x3fff). 355 * The driver sends the controller value using two messages when 356 * necessary. 357 */ 358 359#define CTL_BANK_SELECT 0x00 360#define CTL_MODWHEEL 0x01 361#define CTL_BREATH 0x02 362/* undefined 0x03 */ 363#define CTL_FOOT 0x04 364#define CTL_PORTAMENTO_TIME 0x05 365#define CTL_DATA_ENTRY 0x06 366#define CTL_MAIN_VOLUME 0x07 367#define CTL_BALANCE 0x08 368/* undefined 0x09 */ 369#define CTL_PAN 0x0a 370#define CTL_EXPRESSION 0x0b 371/* undefined 0x0c */ 372/* undefined 0x0d */ 373/* undefined 0x0e */ 374/* undefined 0x0f */ 375#define CTL_GENERAL_PURPOSE1 0x10 376#define CTL_GENERAL_PURPOSE2 0x11 377#define CTL_GENERAL_PURPOSE3 0x12 378#define CTL_GENERAL_PURPOSE4 0x13 379/* undefined 0x14 - 0x1f */ 380 381/* undefined 0x20 */ 382/* The controller numbers 0x21 to 0x3f are reserved for the */ 383/* least significant bytes of the controllers 0x00 to 0x1f. */ 384/* These controllers are not recognised by the driver. */ 385 386/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 387/* 0=OFF and 127=ON (intermediate values are possible) */ 388#define CTL_DAMPER_PEDAL 0x40 389#define CTL_SUSTAIN 0x40 /* Alias */ 390#define CTL_HOLD 0x40 /* Alias */ 391#define CTL_PORTAMENTO 0x41 392#define CTL_SOSTENUTO 0x42 393#define CTL_SOFT_PEDAL 0x43 394/* undefined 0x44 */ 395#define CTL_HOLD2 0x45 396/* undefined 0x46 - 0x4f */ 397 398#define CTL_GENERAL_PURPOSE5 0x50 399#define CTL_GENERAL_PURPOSE6 0x51 400#define CTL_GENERAL_PURPOSE7 0x52 401#define CTL_GENERAL_PURPOSE8 0x53 402/* undefined 0x54 - 0x5a */ 403#define CTL_EXT_EFF_DEPTH 0x5b 404#define CTL_TREMOLO_DEPTH 0x5c 405#define CTL_CHORUS_DEPTH 0x5d 406#define CTL_DETUNE_DEPTH 0x5e 407#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 408#define CTL_PHASER_DEPTH 0x5f 409#define CTL_DATA_INCREMENT 0x60 410#define CTL_DATA_DECREMENT 0x61 411#define CTL_NONREG_PARM_NUM_LSB 0x62 412#define CTL_NONREG_PARM_NUM_MSB 0x63 413#define CTL_REGIST_PARM_NUM_LSB 0x64 414#define CTL_REGIST_PARM_NUM_MSB 0x65 415/* undefined 0x66 - 0x78 */ 416/* reserved 0x79 - 0x7f */ 417 418/* Pseudo controllers (not midi compatible) */ 419#define CTRL_PITCH_BENDER 255 420#define CTRL_PITCH_BENDER_RANGE 254 421#define CTRL_EXPRESSION 253 /* Obsolete */ 422#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 423#define SEQ_BALANCE 11 424#define SEQ_VOLMODE 12 425 426/* 427 * Volume mode decides how volumes are used 428 */ 429 430#define VOL_METHOD_ADAGIO 1 431#define VOL_METHOD_LINEAR 2 432 433/* 434 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 435 * input events. 436 */ 437 438/* 439 * Event codes 0xf0 to 0xfc are reserved for future extensions. 440 */ 441 442#define SEQ_FULLSIZE 0xfd /* Long events */ 443/* 444 * SEQ_FULLSIZE events are used for loading patches/samples to the 445 * synthesizer devices. These events are passed directly to the driver 446 * of the associated synthesizer device. There is no limit to the size 447 * of the extended events. These events are not queued but executed 448 * immediately when the write() is called (execution can take several 449 * seconds of time). 450 * 451 * When a SEQ_FULLSIZE message is written to the device, it must 452 * be written using exactly one write() call. Other events cannot 453 * be mixed to the same write. 454 * 455 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 456 * /dev/sequencer. Don't write other data together with the instrument structure 457 * Set the key field of the structure to FM_PATCH. The device field is used to 458 * route the patch to the corresponding device. 459 * 460 * For Gravis UltraSound use struct patch_info. Initialize the key field 461 * to GUS_PATCH. 462 */ 463#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 464#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 465 466/* 467 * Record for FM patches 468 */ 469 470typedef unsigned char sbi_instr_data[32]; 471 472struct sbi_instrument { 473 unsigned short key; /* Initialize to FM_PATCH or OPL3_PATCH */ 474#define FM_PATCH 0x01fd 475#define OPL3_PATCH 0x03fd 476 short device; /* Synth# (0-4) */ 477 int channel; /* Program# to be initialized */ 478 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 479 }; 480 481struct synth_info { /* Read only */ 482 char name[30]; 483 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 484 int synth_type; 485#define SYNTH_TYPE_FM 0 486#define SYNTH_TYPE_SAMPLE 1 487#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 488 489 int synth_subtype; 490#define FM_TYPE_ADLIB 0x00 491#define FM_TYPE_OPL3 0x01 492 493#define SAMPLE_TYPE_GUS 0x10 494 495 int perc_mode; /* No longer supported */ 496 int nr_voices; 497 int nr_drums; /* Obsolete field */ 498 int instr_bank_size; 499 unsigned long capabilities; 500#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 501#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 502#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 503 int dummies[19]; /* Reserve space */ 504 }; 505 506struct sound_timer_info { 507 char name[30]; 508 int caps; 509 }; 510 511#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 512 513struct midi_info { 514 char name[30]; 515 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 516 unsigned long capabilities; /* To be defined later */ 517 int dev_type; 518 int dummies[18]; /* Reserve space */ 519 }; 520 521/******************************************** 522 * ioctl commands for the /dev/midi## 523 */ 524typedef struct { 525 unsigned char cmd; 526 char nr_args, nr_returns; 527 unsigned char data[30]; 528 } mpu_command_rec; 529 530#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 531#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 532#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 533 534/******************************************** 535 * IOCTL commands for /dev/dsp and /dev/audio 536 */ 537 538#define SNDCTL_DSP_RESET _IO ('P', 0) 539#define SNDCTL_DSP_SYNC _IO ('P', 1) 540#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 541#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 542#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int) 543#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 544#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 545#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 546#define SNDCTL_DSP_POST _IO ('P', 8) 547#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 548#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 549 550/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 551#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 552#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 553# define AFMT_QUERY 0x00000000 /* Return current fmt */ 554# define AFMT_MU_LAW 0x00000001 555# define AFMT_A_LAW 0x00000002 556# define AFMT_IMA_ADPCM 0x00000004 557# define AFMT_U8 0x00000008 558# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 559# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 560# define AFMT_S8 0x00000040 561# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 562# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 563 564#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 565#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 566#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 567#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 568 569/* Some alias names */ 570#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 571#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 572#define SOUND_PCM_POST SNDCTL_DSP_POST 573#define SOUND_PCM_RESET SNDCTL_DSP_RESET 574#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 575#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 576#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 577#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 578#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 579 580/********************************************* 581 * IOCTL /dev/pss (experimental PSS API by marc.hoffman@analog.com. 582 * likely to change in near future. 583 */ 584#define SNDCTL_PSS_RESET _IO ('C', 0) 585#define SNDCTL_PSS_SETUP_REGISTERS _IO ('C', 1) 586#define SNDCTL_PSS_SPEAKER _IOW ('C', 2, struct pss_speaker) 587 588struct pss_speaker { 589 int volume; 590 int bass; 591 int treb; 592 int mode; 593}; 594 595/********************************************* 596 * IOCTL commands for /dev/mixer 597 */ 598 599/* 600 * Mixer devices 601 * 602 * There can be up to 20 different analog mixer channels. The 603 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 604 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 605 * the devices supported by the particular mixer. 606 */ 607 608#define SOUND_MIXER_NRDEVICES 12 609#define SOUND_MIXER_VOLUME 0 610#define SOUND_MIXER_BASS 1 611#define SOUND_MIXER_TREBLE 2 612#define SOUND_MIXER_SYNTH 3 613#define SOUND_MIXER_PCM 4 614#define SOUND_MIXER_SPEAKER 5 615#define SOUND_MIXER_LINE 6 616#define SOUND_MIXER_MIC 7 617#define SOUND_MIXER_CD 8 618#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 619#define SOUND_MIXER_ALTPCM 10 620#define SOUND_MIXER_RECLEV 11 /* Recording level */ 621 622/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 623/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 624#define SOUND_ONOFF_MIN 28 625#define SOUND_ONOFF_MAX 30 626#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 627#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 628#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 629 630/* Note! Number 31 cannot be used since the sign bit is reserved */ 631 632#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 633 "Mic ", "CD ", "Mix ", "Pcm2 ", "rec"} 634 635#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 636 "mic", "cd", "mix", "pcm2", "rec"} 637 638/* Device bitmask identifiers */ 639 640#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 641#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 642#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 643#define SOUND_MIXER_CAPS 0xfc 644 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 645#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 646 647/* Device mask bits */ 648 649#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 650#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 651#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 652#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 653#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 654#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 655#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 656#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 657#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 658#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 659#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 660#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 661 662#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 663#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 664#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 665 666#define MIXER_READ(dev) _IOR('M', dev, int) 667#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 668#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 669#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 670#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 671#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 672#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 673#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 674#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 675#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 676#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 677#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 678#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 679#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 680#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 681#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 682 683#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 684#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 685#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 686#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 687#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 688 689#define MIXER_WRITE(dev) _IOWR('M', dev, int) 690#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 691#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 692#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 693#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 694#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 695#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 696#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 697#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 698#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 699#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 700#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 701#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 702#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 703#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 704#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 705 706#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 707 708/* 709 * Level 2 event types for /dev/sequencer 710 */ 711 712/* 713 * The 4 most significant bits of byte 0 specify the class of 714 * the event: 715 * 716 * 0x8X = system level events, 717 * 0x9X = device/port specific events, event[1] = device/port, 718 * The last 4 bits give the subtype: 719 * 0x02 = Channel event (event[3] = chn). 720 * 0x01 = note event (event[4] = note). 721 * (0x01 is not used alone but always with bit 0x02). 722 * event[2] = MIDI message code (0x80=note off etc.) 723 * 724 */ 725 726#define EV_SEQ_LOCAL 0x80 727#define EV_TIMING 0x81 728#define EV_CHN_COMMON 0x92 729#define EV_CHN_VOICE 0x93 730/* 731 * Event types 200 to 220 are reserved for application use. 732 * These numbers will not be used by the driver. 733 */ 734 735/* 736 * Events for event type EV_CHN_VOICE 737 */ 738 739#define MIDI_NOTEOFF 0x80 740#define MIDI_NOTEON 0x90 741#define MIDI_KEY_PRESSURE 0xA0 742 743/* 744 * Events for event type EV_CHN_COMMON 745 */ 746 747#define MIDI_CTL_CHANGE 0xB0 748#define MIDI_PGM_CHANGE 0xC0 749#define MIDI_CHN_PRESSURE 0xD0 750#define MIDI_PITCH_BEND 0xE0 751 752#define MIDI_SYSTEM_PREFIX 0xF0 753 754/* 755 * Timer event types 756 */ 757#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 758#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 759#define TMR_STOP 3 760#define TMR_START 4 761#define TMR_CONTINUE 5 762#define TMR_TEMPO 6 763#define TMR_ECHO 8 764#define TMR_CLOCK 9 /* MIDI clock */ 765#define TMR_SPP 10 /* Song position pointer */ 766#define TMR_TIMESIG 11 /* Time signature */ 767 768#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 769/* 770 * Some convenience macros to simplify programming of the 771 * /dev/sequencer interface 772 * 773 * These macros define the API which should be used when possible. 774 */ 775 776#ifndef USE_SIMPLE_MACROS 777void seqbuf_dump(void); /* This function must be provided by programs */ 778 779/* Sample seqbuf_dump() implementation: 780 * 781 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 782 * 783 * int seqfd; -- The file descriptor for /dev/sequencer. 784 * 785 * void 786 * seqbuf_dump () 787 * { 788 * if (_seqbufptr) 789 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 790 * { 791 * perror ("write /dev/sequencer"); 792 * exit (-1); 793 * } 794 * _seqbufptr = 0; 795 * } 796 */ 797 798#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 799#define SEQ_USE_EXTBUF() extern unsigned char _seqbuf[]; extern int _seqbuflen;extern int _seqbufptr 800#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 801#define SEQ_PM_DEFINES struct patmgr_info _pm_info 802#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 803#define _SEQ_ADVBUF(len) _seqbufptr += len 804#define SEQ_DUMPBUF seqbuf_dump 805#else 806/* 807 * This variation of the sequencer macros is used just to format one event 808 * using fixed buffer. 809 * 810 * The program using the macro library must define the following macros before 811 * using this library. 812 * 813 * #define _seqbuf name of the buffer (unsigned char[]) 814 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 815 * size of the event, this macro can be used. 816 * Otherwise this must be defined as empty. 817 * #define _seqbufptr Define the name of index variable or 0 if 818 * not required. 819 */ 820#define _SEQ_NEEDBUF(len) /* empty */ 821#endif 822 823#define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 824 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 825 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 826 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 827#define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 828 _pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \ 829 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 830 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 831 832#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 833 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 834 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 835 _seqbuf[_seqbufptr+2] = (dev);\ 836 _seqbuf[_seqbufptr+3] = (mode);\ 837 _seqbuf[_seqbufptr+4] = 0;\ 838 _seqbuf[_seqbufptr+5] = 0;\ 839 _seqbuf[_seqbufptr+6] = 0;\ 840 _seqbuf[_seqbufptr+7] = 0;\ 841 _SEQ_ADVBUF(8);} 842 843/* 844 * Midi voice messages 845 */ 846 847#define _CHN_VOICE(dev, event, chn, note, parm) \ 848 {_SEQ_NEEDBUF(8);\ 849 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 850 _seqbuf[_seqbufptr+1] = (dev);\ 851 _seqbuf[_seqbufptr+2] = (event);\ 852 _seqbuf[_seqbufptr+3] = (chn);\ 853 _seqbuf[_seqbufptr+4] = (note);\ 854 _seqbuf[_seqbufptr+5] = (parm);\ 855 _seqbuf[_seqbufptr+6] = (0);\ 856 _seqbuf[_seqbufptr+7] = 0;\ 857 _SEQ_ADVBUF(8);} 858 859#define SEQ_START_NOTE(dev, chn, note, vol) \ 860 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 861 862#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 863 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 864 865#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 866 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 867 868/* 869 * Midi channel messages 870 */ 871 872#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 873 {_SEQ_NEEDBUF(8);\ 874 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 875 _seqbuf[_seqbufptr+1] = (dev);\ 876 _seqbuf[_seqbufptr+2] = (event);\ 877 _seqbuf[_seqbufptr+3] = (chn);\ 878 _seqbuf[_seqbufptr+4] = (p1);\ 879 _seqbuf[_seqbufptr+5] = (p2);\ 880 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 881 _SEQ_ADVBUF(8);} 882 883#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 884 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 885 886#define SEQ_SET_PATCH(dev, chn, patch) \ 887 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 888 889#define SEQ_CONTROL(dev, chn, controller, value) \ 890 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 891 892#define SEQ_BENDER(dev, chn, value) \ 893 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 894 895/* 896 * The following 5 macros are incorrectly implemented and obsolete. 897 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 898 */ 899#define SEQ_PITCHBEND(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 900#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 901#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 902#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 903#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 904#if 0 905#define SEQ_PANNING(dev, voice, pos) {_SEQ_NEEDBUF(8);\ 906 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 907 _seqbuf[_seqbufptr+1] = SEQ_BALANCE;\ 908 _seqbuf[_seqbufptr+2] = (dev);\ 909 _seqbuf[_seqbufptr+3] = (voice);\ 910 (char)_seqbuf[_seqbufptr+4] = (pos);\ 911 _seqbuf[_seqbufptr+5] = 0;\ 912 _seqbuf[_seqbufptr+6] = 0;\ 913 _seqbuf[_seqbufptr+7] = 1;\ 914 _SEQ_ADVBUF(8);} 915#endif 916 917/* 918 * Timing and syncronization macros 919 */ 920 921#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 922 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 923 _seqbuf[_seqbufptr+1] = (ev); \ 924 _seqbuf[_seqbufptr+2] = 0;\ 925 _seqbuf[_seqbufptr+3] = 0;\ 926 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 927 _SEQ_ADVBUF(8);} 928 929#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 930#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 931#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 932#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 933#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 934#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 935#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 936#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 937#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 938 939/* 940 * Events for the level 1 interface only 941 */ 942 943#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 944 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 945 _seqbuf[_seqbufptr+1] = (byte);\ 946 _seqbuf[_seqbufptr+2] = (device);\ 947 _seqbuf[_seqbufptr+3] = 0;\ 948 _SEQ_ADVBUF(4);} 949 950/* 951 * Patch loading. 952 */ 953#define SEQ_WRPATCH(patchx, len) {if (_seqbufptr) seqbuf_dump();\ 954 if (write(seqfd, (char*)(patchx), len)==-1) \ 955 perror("Write patch: /dev/sequencer");} 956#define SEQ_WRPATCH2(patchx, len) (seqbuf_dump(), write(seqfd, (char*)(patchx), len)) 957 958#endif 959#endif 960#endif 961