1#ifndef SOUNDCARD_H 2#define SOUNDCARD_H 3/* 4 * Copyright by Hannu Savolainen 1993-1997 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 2. 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 28/* 29 * OSS interface version. With versions earlier than 3.6 this value is 30 * an integer with value less than 361. In versions 3.6 and later 31 * it's a six digit hexadecimal value. For example value 32 * of 0x030600 represents OSS version 3.6.0. 33 * Use ioctl(fd, OSS_GETVERSION, &int) to get the version number of 34 * the currently active driver. 35 */ 36#define SOUND_VERSION 0x030802 37#define OPEN_SOUND_SYSTEM 38 39/* In Linux we need to be prepared for cross compiling */ 40#include <linux/ioctl.h> 41 42/* Endian macros. */ 43#ifdef __KERNEL__ 44# include <asm/byteorder.h> 45#else 46# include <endian.h> 47#endif 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#define SNDCARD_SSCAPE 12 65#define SNDCARD_PSS_MPU 13 66#define SNDCARD_PSS_MSS 14 67#define SNDCARD_SSCAPE_MSS 15 68#define SNDCARD_TRXPRO 16 69#define SNDCARD_TRXPRO_SB 17 70#define SNDCARD_TRXPRO_MPU 18 71#define SNDCARD_MAD16 19 72#define SNDCARD_MAD16_MPU 20 73#define SNDCARD_CS4232 21 74#define SNDCARD_CS4232_MPU 22 75#define SNDCARD_MAUI 23 76#define SNDCARD_PSEUDO_MSS 24 77#define SNDCARD_GUSPNP 25 78#define SNDCARD_UART401 26 79/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ 80 81/*********************************** 82 * IOCTL Commands for /dev/sequencer 83 */ 84 85#ifndef _SIOWR 86#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && \ 87 !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 88/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 89#define SIOCPARM_MASK IOCPARM_MASK 90#define SIOC_VOID IOC_VOID 91#define SIOC_OUT IOC_OUT 92#define SIOC_IN IOC_IN 93#define SIOC_INOUT IOC_INOUT 94#define _SIOC_SIZE _IOC_SIZE 95#define _SIOC_DIR _IOC_DIR 96#define _SIOC_NONE _IOC_NONE 97#define _SIOC_READ _IOC_READ 98#define _SIOC_WRITE _IOC_WRITE 99#define _SIO _IO 100#define _SIOR _IOR 101#define _SIOW _IOW 102#define _SIOWR _IOWR 103#else 104 105/* Ioctl's have the command encoded in the lower word, 106 * and the size of any in or out parameters in the upper 107 * word. The high 2 bits of the upper word are used 108 * to encode the in/out status of the parameter; for now 109 * we restrict parameters to at most 8191 bytes. 110 */ 111/* #define SIOCTYPE (0xff<<8) */ 112#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 113#define SIOC_VOID 0x00000000 /* no parameters */ 114#define SIOC_OUT 0x20000000 /* copy out parameters */ 115#define SIOC_IN 0x40000000 /* copy in parameters */ 116#define SIOC_INOUT (SIOC_IN|SIOC_OUT) 117/* the 0x20000000 is so we can distinguish new ioctl's from old */ 118#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 119#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 120#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 121/* this should be _SIORW, but stdio got there first */ 122#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 123#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 124#define _SIOC_DIR(x) (x & 0xf0000000) 125#define _SIOC_NONE SIOC_VOID 126#define _SIOC_READ SIOC_OUT 127#define _SIOC_WRITE SIOC_IN 128# endif /* _IOWR */ 129#endif /* !_SIOWR */ 130 131#define SNDCTL_SEQ_RESET _SIO ('Q', 0) 132#define SNDCTL_SEQ_SYNC _SIO ('Q', 1) 133#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) 134#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 135#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) 136#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) 137#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) 138#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 139#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) 140#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) 141#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) 142#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) 143#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) 144#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) 145#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ 146#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ 147#define SNDCTL_SEQ_PANIC _SIO ('Q',17) 148#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) 149#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) 150#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) 151#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) 152#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) 153 154typedef struct synth_control 155{ 156 int devno; /* Synthesizer # */ 157 char data[4000]; /* Device spesific command/data record */ 158}synth_control; 159 160typedef struct remove_sample 161{ 162 int devno; /* Synthesizer # */ 163 int bankno; /* MIDI bank # (0=General MIDI) */ 164 int instrno; /* MIDI instrument number */ 165} remove_sample; 166 167typedef struct seq_event_rec { 168 unsigned char arr[8]; 169} seq_event_rec; 170 171#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) 172#define SNDCTL_TMR_START _SIO ('T', 2) 173#define SNDCTL_TMR_STOP _SIO ('T', 3) 174#define SNDCTL_TMR_CONTINUE _SIO ('T', 4) 175#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) 176#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) 177# define TMR_INTERNAL 0x00000001 178# define TMR_EXTERNAL 0x00000002 179# define TMR_MODE_MIDI 0x00000010 180# define TMR_MODE_FSK 0x00000020 181# define TMR_MODE_CLS 0x00000040 182# define TMR_MODE_SMPTE 0x00000080 183#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) 184#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) 185 186/* 187 * Some big endian/little endian handling macros 188 */ 189 190#define _LINUX_PATCHKEY_H_INDIRECT 191#include <linux/patchkey.h> 192#undef _LINUX_PATCHKEY_H_INDIRECT 193 194#if defined(__KERNEL__) 195# if defined(__BIG_ENDIAN) 196# define AFMT_S16_NE AFMT_S16_BE 197# elif defined(__LITTLE_ENDIAN) 198# define AFMT_S16_NE AFMT_S16_LE 199# else 200# error "could not determine byte order" 201# endif 202#elif defined(__BYTE_ORDER) 203# if __BYTE_ORDER == __BIG_ENDIAN 204# define AFMT_S16_NE AFMT_S16_BE 205# elif __BYTE_ORDER == __LITTLE_ENDIAN 206# define AFMT_S16_NE AFMT_S16_LE 207# else 208# error "could not determine byte order" 209# endif 210#endif 211 212/* 213 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 214 * The following patch_info structure has been designed to support 215 * Gravis UltraSound. It tries to be universal format for uploading 216 * sample based patches but is probably too limited. 217 * 218 * (PBD) As Hannu guessed, the GUS structure is too limited for 219 * the WaveFront, but this is the right place for a constant definition. 220 */ 221 222struct patch_info { 223 unsigned short key; /* Use WAVE_PATCH here */ 224#define WAVE_PATCH _PATCHKEY(0x04) 225#define GUS_PATCH WAVE_PATCH 226#define WAVEFRONT_PATCH _PATCHKEY(0x06) 227 228 short device_no; /* Synthesizer number */ 229 short instr_no; /* Midi pgm# */ 230 231 unsigned int mode; 232/* 233 * The least significant byte has the same format than the GUS .PAT 234 * files 235 */ 236#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 237#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 238#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 239#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 240#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 241#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 242#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 243#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 244 /* (use the env_rate/env_offs fields). */ 245/* Linux specific bits */ 246#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 247#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 248#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 249#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 250/* Reserved bits */ 251#define WAVE_ROM 0x40000000 /* For future use */ 252#define WAVE_MULAW 0x20000000 /* For future use */ 253/* Other bits must be zeroed */ 254 255 int len; /* Size of the wave data in bytes */ 256 int loop_start, loop_end; /* Byte offsets from the beginning */ 257 258/* 259 * The base_freq and base_note fields are used when computing the 260 * playback speed for a note. The base_note defines the tone frequency 261 * which is heard if the sample is played using the base_freq as the 262 * playback speed. 263 * 264 * The low_note and high_note fields define the minimum and maximum note 265 * frequencies for which this sample is valid. It is possible to define 266 * more than one samples for an instrument number at the same time. The 267 * low_note and high_note fields are used to select the most suitable one. 268 * 269 * The fields base_note, high_note and low_note should contain 270 * the note frequency multiplied by 1000. For example value for the 271 * middle A is 440*1000. 272 */ 273 274 unsigned int base_freq; 275 unsigned int base_note; 276 unsigned int high_note; 277 unsigned int low_note; 278 int panning; /* -128=left, 127=right */ 279 int detuning; 280 281/* New fields introduced in version 1.99.5 */ 282 283 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 284 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 285 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 286 287 /* 288 * The tremolo, vibrato and scale info are not supported yet. 289 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 290 * WAVE_SCALE 291 */ 292 293 unsigned char tremolo_sweep; 294 unsigned char tremolo_rate; 295 unsigned char tremolo_depth; 296 297 unsigned char vibrato_sweep; 298 unsigned char vibrato_rate; 299 unsigned char vibrato_depth; 300 301 int scale_frequency; 302 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 303 304 int volume; 305 int fractions; 306 int reserved1; 307 int spare[2]; 308 char data[1]; /* The waveform data starts here */ 309 }; 310 311struct sysex_info { 312 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 313#define SYSEX_PATCH _PATCHKEY(0x05) 314#define MAUI_PATCH _PATCHKEY(0x06) 315 short device_no; /* Synthesizer number */ 316 int len; /* Size of the sysex data in bytes */ 317 unsigned char data[1]; /* Sysex data starts here */ 318 }; 319 320/* 321 * /dev/sequencer input events. 322 * 323 * The data written to the /dev/sequencer is a stream of events. Events 324 * are records of 4 or 8 bytes. The first byte defines the size. 325 * Any number of events can be written with a write call. There 326 * is a set of macros for sending these events. Use these macros if you 327 * want to maximize portability of your program. 328 * 329 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 330 * (All input events are currently 4 bytes long. Be prepared to support 331 * 8 byte events also. If you receive any event having first byte >= 128, 332 * it's a 8 byte event. 333 * 334 * The events are documented at the end of this file. 335 * 336 * Normal events (4 bytes) 337 * There is also a 8 byte version of most of the 4 byte events. The 338 * 8 byte one is recommended. 339 */ 340#define SEQ_NOTEOFF 0 341#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 342#define SEQ_NOTEON 1 343#define SEQ_FMNOTEON SEQ_NOTEON 344#define SEQ_WAIT TMR_WAIT_ABS 345#define SEQ_PGMCHANGE 3 346#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 347#define SEQ_SYNCTIMER TMR_START 348#define SEQ_MIDIPUTC 5 349#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 350#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 351#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 352#define SEQ_AFTERTOUCH 9 353#define SEQ_CONTROLLER 10 354 355/******************************************* 356 * Midi controller numbers 357 ******************************************* 358 * Controllers 0 to 31 (0x00 to 0x1f) and 359 * 32 to 63 (0x20 to 0x3f) are continuous 360 * controllers. 361 * In the MIDI 1.0 these controllers are sent using 362 * two messages. Controller numbers 0 to 31 are used 363 * to send the MSB and the controller numbers 32 to 63 364 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 365 */ 366 367#define CTL_BANK_SELECT 0x00 368#define CTL_MODWHEEL 0x01 369#define CTL_BREATH 0x02 370/* undefined 0x03 */ 371#define CTL_FOOT 0x04 372#define CTL_PORTAMENTO_TIME 0x05 373#define CTL_DATA_ENTRY 0x06 374#define CTL_MAIN_VOLUME 0x07 375#define CTL_BALANCE 0x08 376/* undefined 0x09 */ 377#define CTL_PAN 0x0a 378#define CTL_EXPRESSION 0x0b 379/* undefined 0x0c */ 380/* undefined 0x0d */ 381/* undefined 0x0e */ 382/* undefined 0x0f */ 383#define CTL_GENERAL_PURPOSE1 0x10 384#define CTL_GENERAL_PURPOSE2 0x11 385#define CTL_GENERAL_PURPOSE3 0x12 386#define CTL_GENERAL_PURPOSE4 0x13 387/* undefined 0x14 - 0x1f */ 388 389/* undefined 0x20 */ 390/* The controller numbers 0x21 to 0x3f are reserved for the */ 391/* least significant bytes of the controllers 0x00 to 0x1f. */ 392/* These controllers are not recognised by the driver. */ 393 394/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 395/* 0=OFF and 127=ON (intermediate values are possible) */ 396#define CTL_DAMPER_PEDAL 0x40 397#define CTL_SUSTAIN 0x40 /* Alias */ 398#define CTL_HOLD 0x40 /* Alias */ 399#define CTL_PORTAMENTO 0x41 400#define CTL_SOSTENUTO 0x42 401#define CTL_SOFT_PEDAL 0x43 402/* undefined 0x44 */ 403#define CTL_HOLD2 0x45 404/* undefined 0x46 - 0x4f */ 405 406#define CTL_GENERAL_PURPOSE5 0x50 407#define CTL_GENERAL_PURPOSE6 0x51 408#define CTL_GENERAL_PURPOSE7 0x52 409#define CTL_GENERAL_PURPOSE8 0x53 410/* undefined 0x54 - 0x5a */ 411#define CTL_EXT_EFF_DEPTH 0x5b 412#define CTL_TREMOLO_DEPTH 0x5c 413#define CTL_CHORUS_DEPTH 0x5d 414#define CTL_DETUNE_DEPTH 0x5e 415#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 416#define CTL_PHASER_DEPTH 0x5f 417#define CTL_DATA_INCREMENT 0x60 418#define CTL_DATA_DECREMENT 0x61 419#define CTL_NONREG_PARM_NUM_LSB 0x62 420#define CTL_NONREG_PARM_NUM_MSB 0x63 421#define CTL_REGIST_PARM_NUM_LSB 0x64 422#define CTL_REGIST_PARM_NUM_MSB 0x65 423/* undefined 0x66 - 0x78 */ 424/* reserved 0x79 - 0x7f */ 425 426/* Pseudo controllers (not midi compatible) */ 427#define CTRL_PITCH_BENDER 255 428#define CTRL_PITCH_BENDER_RANGE 254 429#define CTRL_EXPRESSION 253 /* Obsolete */ 430#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 431#define SEQ_BALANCE 11 432#define SEQ_VOLMODE 12 433 434/* 435 * Volume mode decides how volumes are used 436 */ 437 438#define VOL_METHOD_ADAGIO 1 439#define VOL_METHOD_LINEAR 2 440 441/* 442 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 443 * input events. 444 */ 445 446/* 447 * Event codes 0xf0 to 0xfc are reserved for future extensions. 448 */ 449 450#define SEQ_FULLSIZE 0xfd /* Long events */ 451/* 452 * SEQ_FULLSIZE events are used for loading patches/samples to the 453 * synthesizer devices. These events are passed directly to the driver 454 * of the associated synthesizer device. There is no limit to the size 455 * of the extended events. These events are not queued but executed 456 * immediately when the write() is called (execution can take several 457 * seconds of time). 458 * 459 * When a SEQ_FULLSIZE message is written to the device, it must 460 * be written using exactly one write() call. Other events cannot 461 * be mixed to the same write. 462 * 463 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 464 * /dev/sequencer. Don't write other data together with the instrument structure 465 * Set the key field of the structure to FM_PATCH. The device field is used to 466 * route the patch to the corresponding device. 467 * 468 * For wave table use struct patch_info. Initialize the key field 469 * to WAVE_PATCH. 470 */ 471#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 472#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 473 474/* 475 * Record for FM patches 476 */ 477 478typedef unsigned char sbi_instr_data[32]; 479 480struct sbi_instrument { 481 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 482#define FM_PATCH _PATCHKEY(0x01) 483#define OPL3_PATCH _PATCHKEY(0x03) 484 short device; /* Synth# (0-4) */ 485 int channel; /* Program# to be initialized */ 486 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 487 }; 488 489struct synth_info { /* Read only */ 490 char name[30]; 491 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 492 int synth_type; 493#define SYNTH_TYPE_FM 0 494#define SYNTH_TYPE_SAMPLE 1 495#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 496 497 int synth_subtype; 498#define FM_TYPE_ADLIB 0x00 499#define FM_TYPE_OPL3 0x01 500#define MIDI_TYPE_MPU401 0x401 501 502#define SAMPLE_TYPE_BASIC 0x10 503#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 504#define SAMPLE_TYPE_WAVEFRONT 0x11 505 506 int perc_mode; /* No longer supported */ 507 int nr_voices; 508 int nr_drums; /* Obsolete field */ 509 int instr_bank_size; 510 unsigned int capabilities; 511#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 512#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 513#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 514 int dummies[19]; /* Reserve space */ 515 }; 516 517struct sound_timer_info { 518 char name[32]; 519 int caps; 520 }; 521 522#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 523 524struct midi_info { 525 char name[30]; 526 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 527 unsigned int capabilities; /* To be defined later */ 528 int dev_type; 529 int dummies[18]; /* Reserve space */ 530 }; 531 532/******************************************** 533 * ioctl commands for the /dev/midi## 534 */ 535typedef struct { 536 unsigned char cmd; 537 char nr_args, nr_returns; 538 unsigned char data[30]; 539 } mpu_command_rec; 540 541#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 542#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 543#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 544 545/******************************************** 546 * IOCTL commands for /dev/dsp and /dev/audio 547 */ 548 549#define SNDCTL_DSP_RESET _SIO ('P', 0) 550#define SNDCTL_DSP_SYNC _SIO ('P', 1) 551#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 552#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 553#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 554#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 555#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 556#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 557#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 558#define SNDCTL_DSP_POST _SIO ('P', 8) 559#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 560#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 561 562/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 563#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 564#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 565# define AFMT_QUERY 0x00000000 /* Return current fmt */ 566# define AFMT_MU_LAW 0x00000001 567# define AFMT_A_LAW 0x00000002 568# define AFMT_IMA_ADPCM 0x00000004 569# define AFMT_U8 0x00000008 570# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 571# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 572# define AFMT_S8 0x00000040 573# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 574# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 575# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 576# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 577 578/* 579 * Buffer status queries. 580 */ 581typedef struct audio_buf_info { 582 int fragments; /* # of available fragments (partially usend ones not counted) */ 583 int fragstotal; /* Total # of fragments allocated */ 584 int fragsize; /* Size of a fragment in bytes */ 585 586 int bytes; /* Available space in bytes (includes partially used fragments) */ 587 /* Note! 'bytes' could be more than fragments*fragsize */ 588 } audio_buf_info; 589 590#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 591#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 592#define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 593#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 594# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 595# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 596# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 597# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 598 /* internal buffers which may */ 599 /* cause some delays and */ 600 /* decrease precision of timing */ 601# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 602 /* Sometimes it's a DSP */ 603 /* but usually not */ 604# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 605# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 606# define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 607# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 608 609 610#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 611#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 612# define PCM_ENABLE_INPUT 0x00000001 613# define PCM_ENABLE_OUTPUT 0x00000002 614 615typedef struct count_info { 616 int bytes; /* Total # of bytes processed */ 617 int blocks; /* # of fragment transitions since last time */ 618 int ptr; /* Current DMA pointer value */ 619 } count_info; 620 621#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 622#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 623 624typedef struct buffmem_desc { 625 unsigned *buffer; 626 int size; 627 } buffmem_desc; 628#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 629#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 630#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 631#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 632#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 633 634#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 635#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 636# define DSP_BIND_QUERY 0x00000000 637# define DSP_BIND_FRONT 0x00000001 638# define DSP_BIND_SURR 0x00000002 639# define DSP_BIND_CENTER_LFE 0x00000004 640# define DSP_BIND_HANDSET 0x00000008 641# define DSP_BIND_MIC 0x00000010 642# define DSP_BIND_MODEM1 0x00000020 643# define DSP_BIND_MODEM2 0x00000040 644# define DSP_BIND_I2S 0x00000080 645# define DSP_BIND_SPDIF 0x00000100 646 647#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 648#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 649# define SPDIF_PRO 0x0001 650# define SPDIF_N_AUD 0x0002 651# define SPDIF_COPY 0x0004 652# define SPDIF_PRE 0x0008 653# define SPDIF_CC 0x07f0 654# define SPDIF_L 0x0800 655# define SPDIF_DRS 0x4000 656# define SPDIF_V 0x8000 657 658/* 659 * Application's profile defines the way how playback underrun situations should be handled. 660 * 661 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 662 * playback buffer whenever an underrun occurs. This consumes some time 663 * prevents looping the existing buffer. 664 * APF_CPUINTENS is intended to be set by CPU intensive applications which 665 * are likely to run out of time occasionally. In this mode the buffer cleanup is 666 * disabled which saves CPU time but also let's the previous buffer content to 667 * be played during the "pause" after the underrun. 668 */ 669#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 670#define APF_NORMAL 0 /* Normal applications */ 671#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 672#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 673 674#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 675#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 676#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 677#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 678 679/* Some alias names */ 680#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 681#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 682#define SOUND_PCM_POST SNDCTL_DSP_POST 683#define SOUND_PCM_RESET SNDCTL_DSP_RESET 684#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 685#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 686#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 687#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 688#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 689#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 690#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 691#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 692#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 693#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 694#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 695#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 696#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 697#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 698#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 699#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 700 701/* 702 * ioctl calls to be used in communication with coprocessors and 703 * DSP chips. 704 */ 705 706typedef struct copr_buffer { 707 int command; /* Set to 0 if not used */ 708 int flags; 709#define CPF_NONE 0x0000 710#define CPF_FIRST 0x0001 /* First block */ 711#define CPF_LAST 0x0002 /* Last block */ 712 int len; 713 int offs; /* If required by the device (0 if not used) */ 714 715 unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 716 } copr_buffer; 717 718typedef struct copr_debug_buf { 719 int command; /* Used internally. Set to 0 */ 720 int parm1; 721 int parm2; 722 int flags; 723 int len; /* Length of data in bytes */ 724 } copr_debug_buf; 725 726typedef struct copr_msg { 727 int len; 728 unsigned char data[4000]; 729 } copr_msg; 730 731#define SNDCTL_COPR_RESET _SIO ('C', 0) 732#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 733#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 734#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 735#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 736#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 737#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 738#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 739#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 740#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 741 742/********************************************* 743 * IOCTL commands for /dev/mixer 744 */ 745 746/* 747 * Mixer devices 748 * 749 * There can be up to 20 different analog mixer channels. The 750 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 751 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 752 * the devices supported by the particular mixer. 753 */ 754 755#define SOUND_MIXER_NRDEVICES 25 756#define SOUND_MIXER_VOLUME 0 757#define SOUND_MIXER_BASS 1 758#define SOUND_MIXER_TREBLE 2 759#define SOUND_MIXER_SYNTH 3 760#define SOUND_MIXER_PCM 4 761#define SOUND_MIXER_SPEAKER 5 762#define SOUND_MIXER_LINE 6 763#define SOUND_MIXER_MIC 7 764#define SOUND_MIXER_CD 8 765#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 766#define SOUND_MIXER_ALTPCM 10 767#define SOUND_MIXER_RECLEV 11 /* Recording level */ 768#define SOUND_MIXER_IGAIN 12 /* Input gain */ 769#define SOUND_MIXER_OGAIN 13 /* Output gain */ 770/* 771 * The AD1848 codec and compatibles have three line level inputs 772 * (line, aux1 and aux2). Since each card manufacturer have assigned 773 * different meanings to these inputs, it's inpractical to assign 774 * specific meanings (line, cd, synth etc.) to them. 775 */ 776#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 777#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 778#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 779#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 780#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 781#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 782#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 783#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 784#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 785#define SOUND_MIXER_RADIO 23 /* Radio in */ 786#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 787 788/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 789/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 790#define SOUND_ONOFF_MIN 28 791#define SOUND_ONOFF_MAX 30 792 793/* Note! Number 31 cannot be used since the sign bit is reserved */ 794#define SOUND_MIXER_NONE 31 795 796/* 797 * The following unsupported macros are no longer functional. 798 * Use SOUND_MIXER_PRIVATE# macros in future. 799 */ 800#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 801#define SOUND_MIXER_MUTE SOUND_MIXER_NONE 802#define SOUND_MIXER_LOUD SOUND_MIXER_NONE 803 804 805#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 806 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 807 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 808 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 809 810#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 811 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 812 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 813 "phin", "phout", "video", "radio", "monitor"} 814 815/* Device bitmask identifiers */ 816 817#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 818#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 819#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 820#define SOUND_MIXER_CAPS 0xfc 821# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 822#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 823#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 824#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 825 826/* Device mask bits */ 827 828#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 829#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 830#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 831#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 832#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 833#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 834#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 835#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 836#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 837#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 838#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 839#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 840#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 841#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 842#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 843#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 844#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 845#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 846#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 847#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 848#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 849#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 850#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 851#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 852#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 853 854/* Obsolete macros */ 855#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 856#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 857#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 858 859#define MIXER_READ(dev) _SIOR('M', dev, int) 860#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 861#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 862#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 863#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 864#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 865#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 866#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 867#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 868#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 869#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 870#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 871#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 872#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 873#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 874#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 875#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 876#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 877 878/* Obsolete macros */ 879#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 880#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 881#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 882 883#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 884#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 885#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 886#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 887#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 888 889#define MIXER_WRITE(dev) _SIOWR('M', dev, int) 890#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 891#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 892#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 893#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 894#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 895#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 896#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 897#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 898#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 899#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 900#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 901#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 902#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 903#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 904#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 905#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 906#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 907 908/* Obsolete macros */ 909#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 910#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 911#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 912 913#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 914 915typedef struct mixer_info 916{ 917 char id[16]; 918 char name[32]; 919 int modify_counter; 920 int fillers[10]; 921} mixer_info; 922 923typedef struct _old_mixer_info /* Obsolete */ 924{ 925 char id[16]; 926 char name[32]; 927} _old_mixer_info; 928 929#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 930#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 931 932/* 933 * A mechanism for accessing "proprietary" mixer features. This method 934 * permits passing 128 bytes of arbitrary data between a mixer application 935 * and the mixer driver. Interpretation of the record is defined by 936 * the particular mixer driver. 937 */ 938typedef unsigned char mixer_record[128]; 939 940#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 941 942/* 943 * Two ioctls for special souncard function 944 */ 945#define SOUND_MIXER_AGC _SIOWR('M', 103, int) 946#define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 947 948/* 949 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 950 * These features can be used when accessing device specific features. 951 */ 952#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 953#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 954#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 955#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 956#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 957 958/* 959 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 960 * for querying current mixer settings from the driver and for loading 961 * default volume settings _prior_ activating the mixer (loading 962 * doesn't affect current state of the mixer hardware). These calls 963 * are for internal use only. 964 */ 965 966typedef struct mixer_vol_table { 967 int num; /* Index to volume table */ 968 char name[32]; 969 int levels[32]; 970} mixer_vol_table; 971 972#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 973#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 974 975/* 976 * An ioctl for identifying the driver version. It will return value 977 * of the SOUND_VERSION macro used when compiling the driver. 978 * This call was introduced in OSS version 3.6 and it will not work 979 * with earlier versions (returns EINVAL). 980 */ 981#define OSS_GETVERSION _SIOR ('M', 118, int) 982 983/* 984 * Level 2 event types for /dev/sequencer 985 */ 986 987/* 988 * The 4 most significant bits of byte 0 specify the class of 989 * the event: 990 * 991 * 0x8X = system level events, 992 * 0x9X = device/port specific events, event[1] = device/port, 993 * The last 4 bits give the subtype: 994 * 0x02 = Channel event (event[3] = chn). 995 * 0x01 = note event (event[4] = note). 996 * (0x01 is not used alone but always with bit 0x02). 997 * event[2] = MIDI message code (0x80=note off etc.) 998 * 999 */ 1000 1001#define EV_SEQ_LOCAL 0x80 1002#define EV_TIMING 0x81 1003#define EV_CHN_COMMON 0x92 1004#define EV_CHN_VOICE 0x93 1005#define EV_SYSEX 0x94 1006/* 1007 * Event types 200 to 220 are reserved for application use. 1008 * These numbers will not be used by the driver. 1009 */ 1010 1011/* 1012 * Events for event type EV_CHN_VOICE 1013 */ 1014 1015#define MIDI_NOTEOFF 0x80 1016#define MIDI_NOTEON 0x90 1017#define MIDI_KEY_PRESSURE 0xA0 1018 1019/* 1020 * Events for event type EV_CHN_COMMON 1021 */ 1022 1023#define MIDI_CTL_CHANGE 0xB0 1024#define MIDI_PGM_CHANGE 0xC0 1025#define MIDI_CHN_PRESSURE 0xD0 1026#define MIDI_PITCH_BEND 0xE0 1027 1028#define MIDI_SYSTEM_PREFIX 0xF0 1029 1030/* 1031 * Timer event types 1032 */ 1033#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1034#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1035#define TMR_STOP 3 1036#define TMR_START 4 1037#define TMR_CONTINUE 5 1038#define TMR_TEMPO 6 1039#define TMR_ECHO 8 1040#define TMR_CLOCK 9 /* MIDI clock */ 1041#define TMR_SPP 10 /* Song position pointer */ 1042#define TMR_TIMESIG 11 /* Time signature */ 1043 1044/* 1045 * Local event types 1046 */ 1047#define LOCL_STARTAUDIO 1 1048 1049#if !defined(__KERNEL__) || defined(USE_SEQ_MACROS) 1050/* 1051 * Some convenience macros to simplify programming of the 1052 * /dev/sequencer interface 1053 * 1054 * This is a legacy interface for applications written against 1055 * the OSSlib-3.8 style interface. It is no longer possible 1056 * to actually link against OSSlib with this header, but we 1057 * still provide these macros for programs using them. 1058 * 1059 * If you want to use OSSlib, it is recommended that you get 1060 * the GPL version of OSS-4.x and build against that version 1061 * of the header. 1062 * 1063 * We redefine the extern keyword so that make headers_check 1064 * does not complain about SEQ_USE_EXTBUF. 1065 */ 1066#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1067 1068void seqbuf_dump(void); /* This function must be provided by programs */ 1069 1070#define SEQ_PM_DEFINES int __foo_bar___ 1071 1072#define SEQ_LOAD_GMINSTR(dev, instr) 1073#define SEQ_LOAD_GMDRUM(dev, drum) 1074 1075#define _SEQ_EXTERN extern 1076#define SEQ_USE_EXTBUF() \ 1077 _SEQ_EXTERN unsigned char _seqbuf[]; \ 1078 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr 1079 1080#ifndef USE_SIMPLE_MACROS 1081/* Sample seqbuf_dump() implementation: 1082 * 1083 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1084 * 1085 * int seqfd; -- The file descriptor for /dev/sequencer. 1086 * 1087 * void 1088 * seqbuf_dump () 1089 * { 1090 * if (_seqbufptr) 1091 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1092 * { 1093 * perror ("write /dev/sequencer"); 1094 * exit (-1); 1095 * } 1096 * _seqbufptr = 0; 1097 * } 1098 */ 1099 1100#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1101#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1102#define _SEQ_ADVBUF(len) _seqbufptr += len 1103#define SEQ_DUMPBUF seqbuf_dump 1104#else 1105/* 1106 * This variation of the sequencer macros is used just to format one event 1107 * using fixed buffer. 1108 * 1109 * The program using the macro library must define the following macros before 1110 * using this library. 1111 * 1112 * #define _seqbuf name of the buffer (unsigned char[]) 1113 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1114 * size of the event, this macro can be used. 1115 * Otherwise this must be defined as empty. 1116 * #define _seqbufptr Define the name of index variable or 0 if 1117 * not required. 1118 */ 1119#define _SEQ_NEEDBUF(len) /* empty */ 1120#endif 1121 1122#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1123 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1124 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1125 _seqbuf[_seqbufptr+2] = (dev);\ 1126 _seqbuf[_seqbufptr+3] = (mode);\ 1127 _seqbuf[_seqbufptr+4] = 0;\ 1128 _seqbuf[_seqbufptr+5] = 0;\ 1129 _seqbuf[_seqbufptr+6] = 0;\ 1130 _seqbuf[_seqbufptr+7] = 0;\ 1131 _SEQ_ADVBUF(8);} 1132 1133/* 1134 * Midi voice messages 1135 */ 1136 1137#define _CHN_VOICE(dev, event, chn, note, parm) \ 1138 {_SEQ_NEEDBUF(8);\ 1139 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1140 _seqbuf[_seqbufptr+1] = (dev);\ 1141 _seqbuf[_seqbufptr+2] = (event);\ 1142 _seqbuf[_seqbufptr+3] = (chn);\ 1143 _seqbuf[_seqbufptr+4] = (note);\ 1144 _seqbuf[_seqbufptr+5] = (parm);\ 1145 _seqbuf[_seqbufptr+6] = (0);\ 1146 _seqbuf[_seqbufptr+7] = 0;\ 1147 _SEQ_ADVBUF(8);} 1148 1149#define SEQ_START_NOTE(dev, chn, note, vol) \ 1150 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1151 1152#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1153 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1154 1155#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1156 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1157 1158/* 1159 * Midi channel messages 1160 */ 1161 1162#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1163 {_SEQ_NEEDBUF(8);\ 1164 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1165 _seqbuf[_seqbufptr+1] = (dev);\ 1166 _seqbuf[_seqbufptr+2] = (event);\ 1167 _seqbuf[_seqbufptr+3] = (chn);\ 1168 _seqbuf[_seqbufptr+4] = (p1);\ 1169 _seqbuf[_seqbufptr+5] = (p2);\ 1170 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1171 _SEQ_ADVBUF(8);} 1172/* 1173 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1174 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1175 * so _will_ cause problems with MPU401 intelligent mode). 1176 * 1177 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1178 * sent by calling SEQ_SYSEX() several times (there must be no other events 1179 * between them). First sysex fragment must have 0xf0 in the first byte 1180 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1181 * between these sysex start and end markers cannot be larger than 0x7f. Also 1182 * lengths of each fragments (except the last one) must be 6. 1183 * 1184 * Breaking the above rules may work with some MIDI ports but is likely to 1185 * cause fatal problems with some other devices (such as MPU401). 1186 */ 1187#define SEQ_SYSEX(dev, buf, len) \ 1188 {int ii, ll=(len); \ 1189 unsigned char *bufp=buf;\ 1190 if (ll>6)ll=6;\ 1191 _SEQ_NEEDBUF(8);\ 1192 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1193 _seqbuf[_seqbufptr+1] = (dev);\ 1194 for(ii=0;ii<ll;ii++)\ 1195 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1196 for(ii=ll;ii<6;ii++)\ 1197 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1198 _SEQ_ADVBUF(8);} 1199 1200#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1201 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1202 1203#define SEQ_SET_PATCH SEQ_PGM_CHANGE 1204#define SEQ_PGM_CHANGE(dev, chn, patch) \ 1205 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1206 1207#define SEQ_CONTROL(dev, chn, controller, value) \ 1208 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1209 1210#define SEQ_BENDER(dev, chn, value) \ 1211 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1212 1213 1214#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1215 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1216 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1217 _seqbuf[_seqbufptr+2] = (dev);\ 1218 _seqbuf[_seqbufptr+3] = (voice);\ 1219 _seqbuf[_seqbufptr+4] = (controller);\ 1220 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1221 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1222 _seqbuf[_seqbufptr+7] = 0;\ 1223 _SEQ_ADVBUF(8);} 1224/* 1225 * The following 5 macros are incorrectly implemented and obsolete. 1226 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1227 */ 1228#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1229#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1230#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1231#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1232#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1233 1234/* 1235 * Timing and syncronization macros 1236 */ 1237 1238#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1239 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1240 _seqbuf[_seqbufptr+1] = (ev); \ 1241 _seqbuf[_seqbufptr+2] = 0;\ 1242 _seqbuf[_seqbufptr+3] = 0;\ 1243 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1244 _SEQ_ADVBUF(8);} 1245 1246#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1247#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1248#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1249#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1250#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1251#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1252#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1253#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1254#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1255 1256/* 1257 * Local control events 1258 */ 1259 1260#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1261 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1262 _seqbuf[_seqbufptr+1] = (ev); \ 1263 _seqbuf[_seqbufptr+2] = 0;\ 1264 _seqbuf[_seqbufptr+3] = 0;\ 1265 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1266 _SEQ_ADVBUF(8);} 1267 1268#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1269/* 1270 * Events for the level 1 interface only 1271 */ 1272 1273#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1274 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1275 _seqbuf[_seqbufptr+1] = (byte);\ 1276 _seqbuf[_seqbufptr+2] = (device);\ 1277 _seqbuf[_seqbufptr+3] = 0;\ 1278 _SEQ_ADVBUF(4);} 1279 1280/* 1281 * Patch loading. 1282 */ 1283#define SEQ_WRPATCH(patchx, len) \ 1284 {if (_seqbufptr) SEQ_DUMPBUF();\ 1285 if (write(seqfd, (char*)(patchx), len)==-1) \ 1286 perror("Write patch: /dev/sequencer");} 1287#define SEQ_WRPATCH2(patchx, len) \ 1288 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1289 1290#endif 1291#endif 1292