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# include <endian.h> 44 45/* 46 * Supported card ID numbers (Should be somewhere else?) 47 */ 48 49#define SNDCARD_ADLIB 1 50#define SNDCARD_SB 2 51#define SNDCARD_PAS 3 52#define SNDCARD_GUS 4 53#define SNDCARD_MPU401 5 54#define SNDCARD_SB16 6 55#define SNDCARD_SB16MIDI 7 56#define SNDCARD_UART6850 8 57#define SNDCARD_GUS16 9 58#define SNDCARD_MSS 10 59#define SNDCARD_PSS 11 60#define SNDCARD_SSCAPE 12 61#define SNDCARD_PSS_MPU 13 62#define SNDCARD_PSS_MSS 14 63#define SNDCARD_SSCAPE_MSS 15 64#define SNDCARD_TRXPRO 16 65#define SNDCARD_TRXPRO_SB 17 66#define SNDCARD_TRXPRO_MPU 18 67#define SNDCARD_MAD16 19 68#define SNDCARD_MAD16_MPU 20 69#define SNDCARD_CS4232 21 70#define SNDCARD_CS4232_MPU 22 71#define SNDCARD_MAUI 23 72#define SNDCARD_PSEUDO_MSS 24 73#define SNDCARD_GUSPNP 25 74#define SNDCARD_UART401 26 75/* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ 76 77/*********************************** 78 * IOCTL Commands for /dev/sequencer 79 */ 80 81#ifndef _SIOWR 82#if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 83/* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 84#define SIOCPARM_MASK IOCPARM_MASK 85#define SIOC_VOID IOC_VOID 86#define SIOC_OUT IOC_OUT 87#define SIOC_IN IOC_IN 88#define SIOC_INOUT IOC_INOUT 89#define _SIOC_SIZE _IOC_SIZE 90#define _SIOC_DIR _IOC_DIR 91#define _SIOC_NONE _IOC_NONE 92#define _SIOC_READ _IOC_READ 93#define _SIOC_WRITE _IOC_WRITE 94#define _SIO _IO 95#define _SIOR _IOR 96#define _SIOW _IOW 97#define _SIOWR _IOWR 98#else 99 100/* Ioctl's have the command encoded in the lower word, 101 * and the size of any in or out parameters in the upper 102 * word. The high 2 bits of the upper word are used 103 * to encode the in/out status of the parameter; for now 104 * we restrict parameters to at most 8191 bytes. 105 */ 106/* #define SIOCTYPE (0xff<<8) */ 107#define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 108#define SIOC_VOID 0x00000000 /* no parameters */ 109#define SIOC_OUT 0x20000000 /* copy out parameters */ 110#define SIOC_IN 0x40000000 /* copy in parameters */ 111#define SIOC_INOUT (SIOC_IN|SIOC_OUT) 112/* the 0x20000000 is so we can distinguish new ioctl's from old */ 113#define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 114#define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 115#define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 116/* this should be _SIORW, but stdio got there first */ 117#define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 118#define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 119#define _SIOC_DIR(x) (x & 0xf0000000) 120#define _SIOC_NONE SIOC_VOID 121#define _SIOC_READ SIOC_OUT 122#define _SIOC_WRITE SIOC_IN 123# endif /* _IOWR */ 124#endif /* !_SIOWR */ 125 126#define SNDCTL_SEQ_RESET _SIO ('Q', 0) 127#define SNDCTL_SEQ_SYNC _SIO ('Q', 1) 128#define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) 129#define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 130#define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) 131#define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) 132#define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) 133#define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 134#define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) 135#define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) 136#define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) 137#define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) 138#define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) 139#define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) 140#define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ 141#define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ 142#define SNDCTL_SEQ_PANIC _SIO ('Q',17) 143#define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) 144#define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) 145#define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) 146#define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) 147#define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) 148 149typedef struct synth_control 150{ 151 int devno; /* Synthesizer # */ 152 char data[4000]; /* Device spesific command/data record */ 153}synth_control; 154 155typedef struct remove_sample 156{ 157 int devno; /* Synthesizer # */ 158 int bankno; /* MIDI bank # (0=General MIDI) */ 159 int instrno; /* MIDI instrument number */ 160} remove_sample; 161 162typedef struct seq_event_rec { 163 unsigned char arr[8]; 164} seq_event_rec; 165 166#define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) 167#define SNDCTL_TMR_START _SIO ('T', 2) 168#define SNDCTL_TMR_STOP _SIO ('T', 3) 169#define SNDCTL_TMR_CONTINUE _SIO ('T', 4) 170#define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) 171#define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) 172# define TMR_INTERNAL 0x00000001 173# define TMR_EXTERNAL 0x00000002 174# define TMR_MODE_MIDI 0x00000010 175# define TMR_MODE_FSK 0x00000020 176# define TMR_MODE_CLS 0x00000040 177# define TMR_MODE_SMPTE 0x00000080 178#define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) 179#define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) 180 181/* 182 * Some big endian/little endian handling macros 183 */ 184 185#define _LINUX_PATCHKEY_H_INDIRECT 186#include <linux/patchkey.h> 187#undef _LINUX_PATCHKEY_H_INDIRECT 188 189#if defined(__BYTE_ORDER) 190# if __BYTE_ORDER == __BIG_ENDIAN 191# define AFMT_S16_NE AFMT_S16_BE 192# elif __BYTE_ORDER == __LITTLE_ENDIAN 193# define AFMT_S16_NE AFMT_S16_LE 194# else 195# error "could not determine byte order" 196# endif 197#endif 198 199/* 200 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 201 * The following patch_info structure has been designed to support 202 * Gravis UltraSound. It tries to be universal format for uploading 203 * sample based patches but is probably too limited. 204 * 205 * (PBD) As Hannu guessed, the GUS structure is too limited for 206 * the WaveFront, but this is the right place for a constant definition. 207 */ 208 209struct patch_info { 210 unsigned short key; /* Use WAVE_PATCH here */ 211#define WAVE_PATCH _PATCHKEY(0x04) 212#define GUS_PATCH WAVE_PATCH 213#define WAVEFRONT_PATCH _PATCHKEY(0x06) 214 215 short device_no; /* Synthesizer number */ 216 short instr_no; /* Midi pgm# */ 217 218 unsigned int mode; 219/* 220 * The least significant byte has the same format than the GUS .PAT 221 * files 222 */ 223#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 224#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 225#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 226#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 227#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 228#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 229#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 230#define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 231 /* (use the env_rate/env_offs fields). */ 232/* Linux specific bits */ 233#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 234#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 235#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 236#define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 237/* Reserved bits */ 238#define WAVE_ROM 0x40000000 /* For future use */ 239#define WAVE_MULAW 0x20000000 /* For future use */ 240/* Other bits must be zeroed */ 241 242 int len; /* Size of the wave data in bytes */ 243 int loop_start, loop_end; /* Byte offsets from the beginning */ 244 245/* 246 * The base_freq and base_note fields are used when computing the 247 * playback speed for a note. The base_note defines the tone frequency 248 * which is heard if the sample is played using the base_freq as the 249 * playback speed. 250 * 251 * The low_note and high_note fields define the minimum and maximum note 252 * frequencies for which this sample is valid. It is possible to define 253 * more than one samples for an instrument number at the same time. The 254 * low_note and high_note fields are used to select the most suitable one. 255 * 256 * The fields base_note, high_note and low_note should contain 257 * the note frequency multiplied by 1000. For example value for the 258 * middle A is 440*1000. 259 */ 260 261 unsigned int base_freq; 262 unsigned int base_note; 263 unsigned int high_note; 264 unsigned int low_note; 265 int panning; /* -128=left, 127=right */ 266 int detuning; 267 268/* New fields introduced in version 1.99.5 */ 269 270 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 271 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 272 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 273 274 /* 275 * The tremolo, vibrato and scale info are not supported yet. 276 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 277 * WAVE_SCALE 278 */ 279 280 unsigned char tremolo_sweep; 281 unsigned char tremolo_rate; 282 unsigned char tremolo_depth; 283 284 unsigned char vibrato_sweep; 285 unsigned char vibrato_rate; 286 unsigned char vibrato_depth; 287 288 int scale_frequency; 289 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 290 291 int volume; 292 int fractions; 293 int reserved1; 294 int spare[2]; 295 char data[1]; /* The waveform data starts here */ 296 }; 297 298struct sysex_info { 299 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 300#define SYSEX_PATCH _PATCHKEY(0x05) 301#define MAUI_PATCH _PATCHKEY(0x06) 302 short device_no; /* Synthesizer number */ 303 int len; /* Size of the sysex data in bytes */ 304 unsigned char data[1]; /* Sysex data starts here */ 305 }; 306 307/* 308 * /dev/sequencer input events. 309 * 310 * The data written to the /dev/sequencer is a stream of events. Events 311 * are records of 4 or 8 bytes. The first byte defines the size. 312 * Any number of events can be written with a write call. There 313 * is a set of macros for sending these events. Use these macros if you 314 * want to maximize portability of your program. 315 * 316 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 317 * (All input events are currently 4 bytes long. Be prepared to support 318 * 8 byte events also. If you receive any event having first byte >= 128, 319 * it's a 8 byte event. 320 * 321 * The events are documented at the end of this file. 322 * 323 * Normal events (4 bytes) 324 * There is also a 8 byte version of most of the 4 byte events. The 325 * 8 byte one is recommended. 326 */ 327#define SEQ_NOTEOFF 0 328#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 329#define SEQ_NOTEON 1 330#define SEQ_FMNOTEON SEQ_NOTEON 331#define SEQ_WAIT TMR_WAIT_ABS 332#define SEQ_PGMCHANGE 3 333#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 334#define SEQ_SYNCTIMER TMR_START 335#define SEQ_MIDIPUTC 5 336#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 337#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 338#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 339#define SEQ_AFTERTOUCH 9 340#define SEQ_CONTROLLER 10 341 342/******************************************* 343 * Midi controller numbers 344 ******************************************* 345 * Controllers 0 to 31 (0x00 to 0x1f) and 346 * 32 to 63 (0x20 to 0x3f) are continuous 347 * controllers. 348 * In the MIDI 1.0 these controllers are sent using 349 * two messages. Controller numbers 0 to 31 are used 350 * to send the MSB and the controller numbers 32 to 63 351 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 352 */ 353 354#define CTL_BANK_SELECT 0x00 355#define CTL_MODWHEEL 0x01 356#define CTL_BREATH 0x02 357/* undefined 0x03 */ 358#define CTL_FOOT 0x04 359#define CTL_PORTAMENTO_TIME 0x05 360#define CTL_DATA_ENTRY 0x06 361#define CTL_MAIN_VOLUME 0x07 362#define CTL_BALANCE 0x08 363/* undefined 0x09 */ 364#define CTL_PAN 0x0a 365#define CTL_EXPRESSION 0x0b 366/* undefined 0x0c */ 367/* undefined 0x0d */ 368/* undefined 0x0e */ 369/* undefined 0x0f */ 370#define CTL_GENERAL_PURPOSE1 0x10 371#define CTL_GENERAL_PURPOSE2 0x11 372#define CTL_GENERAL_PURPOSE3 0x12 373#define CTL_GENERAL_PURPOSE4 0x13 374/* undefined 0x14 - 0x1f */ 375 376/* undefined 0x20 */ 377/* The controller numbers 0x21 to 0x3f are reserved for the */ 378/* least significant bytes of the controllers 0x00 to 0x1f. */ 379/* These controllers are not recognised by the driver. */ 380 381/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 382/* 0=OFF and 127=ON (intermediate values are possible) */ 383#define CTL_DAMPER_PEDAL 0x40 384#define CTL_SUSTAIN 0x40 /* Alias */ 385#define CTL_HOLD 0x40 /* Alias */ 386#define CTL_PORTAMENTO 0x41 387#define CTL_SOSTENUTO 0x42 388#define CTL_SOFT_PEDAL 0x43 389/* undefined 0x44 */ 390#define CTL_HOLD2 0x45 391/* undefined 0x46 - 0x4f */ 392 393#define CTL_GENERAL_PURPOSE5 0x50 394#define CTL_GENERAL_PURPOSE6 0x51 395#define CTL_GENERAL_PURPOSE7 0x52 396#define CTL_GENERAL_PURPOSE8 0x53 397/* undefined 0x54 - 0x5a */ 398#define CTL_EXT_EFF_DEPTH 0x5b 399#define CTL_TREMOLO_DEPTH 0x5c 400#define CTL_CHORUS_DEPTH 0x5d 401#define CTL_DETUNE_DEPTH 0x5e 402#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 403#define CTL_PHASER_DEPTH 0x5f 404#define CTL_DATA_INCREMENT 0x60 405#define CTL_DATA_DECREMENT 0x61 406#define CTL_NONREG_PARM_NUM_LSB 0x62 407#define CTL_NONREG_PARM_NUM_MSB 0x63 408#define CTL_REGIST_PARM_NUM_LSB 0x64 409#define CTL_REGIST_PARM_NUM_MSB 0x65 410/* undefined 0x66 - 0x78 */ 411/* reserved 0x79 - 0x7f */ 412 413/* Pseudo controllers (not midi compatible) */ 414#define CTRL_PITCH_BENDER 255 415#define CTRL_PITCH_BENDER_RANGE 254 416#define CTRL_EXPRESSION 253 /* Obsolete */ 417#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 418#define SEQ_BALANCE 11 419#define SEQ_VOLMODE 12 420 421/* 422 * Volume mode decides how volumes are used 423 */ 424 425#define VOL_METHOD_ADAGIO 1 426#define VOL_METHOD_LINEAR 2 427 428/* 429 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 430 * input events. 431 */ 432 433/* 434 * Event codes 0xf0 to 0xfc are reserved for future extensions. 435 */ 436 437#define SEQ_FULLSIZE 0xfd /* Long events */ 438/* 439 * SEQ_FULLSIZE events are used for loading patches/samples to the 440 * synthesizer devices. These events are passed directly to the driver 441 * of the associated synthesizer device. There is no limit to the size 442 * of the extended events. These events are not queued but executed 443 * immediately when the write() is called (execution can take several 444 * seconds of time). 445 * 446 * When a SEQ_FULLSIZE message is written to the device, it must 447 * be written using exactly one write() call. Other events cannot 448 * be mixed to the same write. 449 * 450 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 451 * /dev/sequencer. Don't write other data together with the instrument structure 452 * Set the key field of the structure to FM_PATCH. The device field is used to 453 * route the patch to the corresponding device. 454 * 455 * For wave table use struct patch_info. Initialize the key field 456 * to WAVE_PATCH. 457 */ 458#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 459#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 460 461/* 462 * Record for FM patches 463 */ 464 465typedef unsigned char sbi_instr_data[32]; 466 467struct sbi_instrument { 468 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 469#define FM_PATCH _PATCHKEY(0x01) 470#define OPL3_PATCH _PATCHKEY(0x03) 471 short device; /* Synth# (0-4) */ 472 int channel; /* Program# to be initialized */ 473 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 474 }; 475 476struct synth_info { /* Read only */ 477 char name[30]; 478 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 479 int synth_type; 480#define SYNTH_TYPE_FM 0 481#define SYNTH_TYPE_SAMPLE 1 482#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 483 484 int synth_subtype; 485#define FM_TYPE_ADLIB 0x00 486#define FM_TYPE_OPL3 0x01 487#define MIDI_TYPE_MPU401 0x401 488 489#define SAMPLE_TYPE_BASIC 0x10 490#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 491#define SAMPLE_TYPE_WAVEFRONT 0x11 492 493 int perc_mode; /* No longer supported */ 494 int nr_voices; 495 int nr_drums; /* Obsolete field */ 496 int instr_bank_size; 497 unsigned int capabilities; 498#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 499#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 500#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 501 int dummies[19]; /* Reserve space */ 502 }; 503 504struct sound_timer_info { 505 char name[32]; 506 int caps; 507 }; 508 509#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 510 511struct midi_info { 512 char name[30]; 513 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 514 unsigned int capabilities; /* To be defined later */ 515 int dev_type; 516 int dummies[18]; /* Reserve space */ 517 }; 518 519/******************************************** 520 * ioctl commands for the /dev/midi## 521 */ 522typedef struct { 523 unsigned char cmd; 524 char nr_args, nr_returns; 525 unsigned char data[30]; 526 } mpu_command_rec; 527 528#define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 529#define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 530#define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 531 532/******************************************** 533 * IOCTL commands for /dev/dsp and /dev/audio 534 */ 535 536#define SNDCTL_DSP_RESET _SIO ('P', 0) 537#define SNDCTL_DSP_SYNC _SIO ('P', 1) 538#define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 539#define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 540#define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 541#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 542#define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 543#define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 544#define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 545#define SNDCTL_DSP_POST _SIO ('P', 8) 546#define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 547#define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 548 549/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 550#define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 551#define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 552# define AFMT_QUERY 0x00000000 /* Return current fmt */ 553# define AFMT_MU_LAW 0x00000001 554# define AFMT_A_LAW 0x00000002 555# define AFMT_IMA_ADPCM 0x00000004 556# define AFMT_U8 0x00000008 557# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 558# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 559# define AFMT_S8 0x00000040 560# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 561# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 562# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 563# define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 564 565/* 566 * Buffer status queries. 567 */ 568typedef struct audio_buf_info { 569 int fragments; /* # of available fragments (partially usend ones not counted) */ 570 int fragstotal; /* Total # of fragments allocated */ 571 int fragsize; /* Size of a fragment in bytes */ 572 573 int bytes; /* Available space in bytes (includes partially used fragments) */ 574 /* Note! 'bytes' could be more than fragments*fragsize */ 575 } audio_buf_info; 576 577#define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 578#define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 579#define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 580#define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 581# define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 582# define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 583# define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 584# define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 585 /* internal buffers which may */ 586 /* cause some delays and */ 587 /* decrease precision of timing */ 588# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 589 /* Sometimes it's a DSP */ 590 /* but usually not */ 591# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 592# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 593# define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 594# define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 595 596 597#define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 598#define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 599# define PCM_ENABLE_INPUT 0x00000001 600# define PCM_ENABLE_OUTPUT 0x00000002 601 602typedef struct count_info { 603 int bytes; /* Total # of bytes processed */ 604 int blocks; /* # of fragment transitions since last time */ 605 int ptr; /* Current DMA pointer value */ 606 } count_info; 607 608#define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 609#define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 610 611typedef struct buffmem_desc { 612 unsigned *buffer; 613 int size; 614 } buffmem_desc; 615#define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 616#define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 617#define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 618#define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 619#define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 620 621#define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 622#define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 623# define DSP_BIND_QUERY 0x00000000 624# define DSP_BIND_FRONT 0x00000001 625# define DSP_BIND_SURR 0x00000002 626# define DSP_BIND_CENTER_LFE 0x00000004 627# define DSP_BIND_HANDSET 0x00000008 628# define DSP_BIND_MIC 0x00000010 629# define DSP_BIND_MODEM1 0x00000020 630# define DSP_BIND_MODEM2 0x00000040 631# define DSP_BIND_I2S 0x00000080 632# define DSP_BIND_SPDIF 0x00000100 633 634#define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 635#define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 636# define SPDIF_PRO 0x0001 637# define SPDIF_N_AUD 0x0002 638# define SPDIF_COPY 0x0004 639# define SPDIF_PRE 0x0008 640# define SPDIF_CC 0x07f0 641# define SPDIF_L 0x0800 642# define SPDIF_DRS 0x4000 643# define SPDIF_V 0x8000 644 645/* 646 * Application's profile defines the way how playback underrun situations should be handled. 647 * 648 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 649 * playback buffer whenever an underrun occurs. This consumes some time 650 * prevents looping the existing buffer. 651 * APF_CPUINTENS is intended to be set by CPU intensive applications which 652 * are likely to run out of time occasionally. In this mode the buffer cleanup is 653 * disabled which saves CPU time but also let's the previous buffer content to 654 * be played during the "pause" after the underrun. 655 */ 656#define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 657#define APF_NORMAL 0 /* Normal applications */ 658#define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 659#define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 660 661#define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 662#define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 663#define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 664#define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 665 666/* Some alias names */ 667#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 668#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 669#define SOUND_PCM_POST SNDCTL_DSP_POST 670#define SOUND_PCM_RESET SNDCTL_DSP_RESET 671#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 672#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 673#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 674#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 675#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 676#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 677#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 678#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 679#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 680#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 681#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 682#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 683#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 684#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 685#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 686#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 687 688/* 689 * ioctl calls to be used in communication with coprocessors and 690 * DSP chips. 691 */ 692 693typedef struct copr_buffer { 694 int command; /* Set to 0 if not used */ 695 int flags; 696#define CPF_NONE 0x0000 697#define CPF_FIRST 0x0001 /* First block */ 698#define CPF_LAST 0x0002 /* Last block */ 699 int len; 700 int offs; /* If required by the device (0 if not used) */ 701 702 unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 703 } copr_buffer; 704 705typedef struct copr_debug_buf { 706 int command; /* Used internally. Set to 0 */ 707 int parm1; 708 int parm2; 709 int flags; 710 int len; /* Length of data in bytes */ 711 } copr_debug_buf; 712 713typedef struct copr_msg { 714 int len; 715 unsigned char data[4000]; 716 } copr_msg; 717 718#define SNDCTL_COPR_RESET _SIO ('C', 0) 719#define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 720#define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 721#define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 722#define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 723#define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 724#define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 725#define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 726#define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 727#define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 728 729/********************************************* 730 * IOCTL commands for /dev/mixer 731 */ 732 733/* 734 * Mixer devices 735 * 736 * There can be up to 20 different analog mixer channels. The 737 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 738 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 739 * the devices supported by the particular mixer. 740 */ 741 742#define SOUND_MIXER_NRDEVICES 25 743#define SOUND_MIXER_VOLUME 0 744#define SOUND_MIXER_BASS 1 745#define SOUND_MIXER_TREBLE 2 746#define SOUND_MIXER_SYNTH 3 747#define SOUND_MIXER_PCM 4 748#define SOUND_MIXER_SPEAKER 5 749#define SOUND_MIXER_LINE 6 750#define SOUND_MIXER_MIC 7 751#define SOUND_MIXER_CD 8 752#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 753#define SOUND_MIXER_ALTPCM 10 754#define SOUND_MIXER_RECLEV 11 /* Recording level */ 755#define SOUND_MIXER_IGAIN 12 /* Input gain */ 756#define SOUND_MIXER_OGAIN 13 /* Output gain */ 757/* 758 * The AD1848 codec and compatibles have three line level inputs 759 * (line, aux1 and aux2). Since each card manufacturer have assigned 760 * different meanings to these inputs, it's inpractical to assign 761 * specific meanings (line, cd, synth etc.) to them. 762 */ 763#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 764#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 765#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 766#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 767#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 768#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 769#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 770#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 771#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 772#define SOUND_MIXER_RADIO 23 /* Radio in */ 773#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 774 775/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 776/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 777#define SOUND_ONOFF_MIN 28 778#define SOUND_ONOFF_MAX 30 779 780/* Note! Number 31 cannot be used since the sign bit is reserved */ 781#define SOUND_MIXER_NONE 31 782 783/* 784 * The following unsupported macros are no longer functional. 785 * Use SOUND_MIXER_PRIVATE# macros in future. 786 */ 787#define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 788#define SOUND_MIXER_MUTE SOUND_MIXER_NONE 789#define SOUND_MIXER_LOUD SOUND_MIXER_NONE 790 791 792#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 793 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 794 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 795 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 796 797#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 798 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 799 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 800 "phin", "phout", "video", "radio", "monitor"} 801 802/* Device bitmask identifiers */ 803 804#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 805#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 806#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 807#define SOUND_MIXER_CAPS 0xfc 808# define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 809#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 810#define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 811#define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 812 813/* Device mask bits */ 814 815#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 816#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 817#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 818#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 819#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 820#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 821#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 822#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 823#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 824#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 825#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 826#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 827#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 828#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 829#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 830#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 831#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 832#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 833#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 834#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 835#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 836#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 837#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 838#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 839#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 840 841/* Obsolete macros */ 842#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 843#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 844#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 845 846#define MIXER_READ(dev) _SIOR('M', dev, int) 847#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 848#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 849#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 850#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 851#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 852#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 853#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 854#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 855#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 856#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 857#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 858#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 859#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 860#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 861#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 862#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 863#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 864 865/* Obsolete macros */ 866#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 867#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 868#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 869 870#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 871#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 872#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 873#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 874#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 875 876#define MIXER_WRITE(dev) _SIOWR('M', dev, int) 877#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 878#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 879#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 880#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 881#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 882#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 883#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 884#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 885#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 886#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 887#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 888#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 889#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 890#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 891#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 892#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 893#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 894 895/* Obsolete macros */ 896#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 897#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 898#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 899 900#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 901 902typedef struct mixer_info 903{ 904 char id[16]; 905 char name[32]; 906 int modify_counter; 907 int fillers[10]; 908} mixer_info; 909 910typedef struct _old_mixer_info /* Obsolete */ 911{ 912 char id[16]; 913 char name[32]; 914} _old_mixer_info; 915 916#define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 917#define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 918 919/* 920 * A mechanism for accessing "proprietary" mixer features. This method 921 * permits passing 128 bytes of arbitrary data between a mixer application 922 * and the mixer driver. Interpretation of the record is defined by 923 * the particular mixer driver. 924 */ 925typedef unsigned char mixer_record[128]; 926 927#define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 928 929/* 930 * Two ioctls for special souncard function 931 */ 932#define SOUND_MIXER_AGC _SIOWR('M', 103, int) 933#define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 934 935/* 936 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 937 * These features can be used when accessing device specific features. 938 */ 939#define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 940#define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 941#define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 942#define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 943#define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 944 945/* 946 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 947 * for querying current mixer settings from the driver and for loading 948 * default volume settings _prior_ activating the mixer (loading 949 * doesn't affect current state of the mixer hardware). These calls 950 * are for internal use only. 951 */ 952 953typedef struct mixer_vol_table { 954 int num; /* Index to volume table */ 955 char name[32]; 956 int levels[32]; 957} mixer_vol_table; 958 959#define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 960#define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 961 962/* 963 * An ioctl for identifying the driver version. It will return value 964 * of the SOUND_VERSION macro used when compiling the driver. 965 * This call was introduced in OSS version 3.6 and it will not work 966 * with earlier versions (returns EINVAL). 967 */ 968#define OSS_GETVERSION _SIOR ('M', 118, int) 969 970/* 971 * Level 2 event types for /dev/sequencer 972 */ 973 974/* 975 * The 4 most significant bits of byte 0 specify the class of 976 * the event: 977 * 978 * 0x8X = system level events, 979 * 0x9X = device/port specific events, event[1] = device/port, 980 * The last 4 bits give the subtype: 981 * 0x02 = Channel event (event[3] = chn). 982 * 0x01 = note event (event[4] = note). 983 * (0x01 is not used alone but always with bit 0x02). 984 * event[2] = MIDI message code (0x80=note off etc.) 985 * 986 */ 987 988#define EV_SEQ_LOCAL 0x80 989#define EV_TIMING 0x81 990#define EV_CHN_COMMON 0x92 991#define EV_CHN_VOICE 0x93 992#define EV_SYSEX 0x94 993/* 994 * Event types 200 to 220 are reserved for application use. 995 * These numbers will not be used by the driver. 996 */ 997 998/* 999 * Events for event type EV_CHN_VOICE 1000 */ 1001 1002#define MIDI_NOTEOFF 0x80 1003#define MIDI_NOTEON 0x90 1004#define MIDI_KEY_PRESSURE 0xA0 1005 1006/* 1007 * Events for event type EV_CHN_COMMON 1008 */ 1009 1010#define MIDI_CTL_CHANGE 0xB0 1011#define MIDI_PGM_CHANGE 0xC0 1012#define MIDI_CHN_PRESSURE 0xD0 1013#define MIDI_PITCH_BEND 0xE0 1014 1015#define MIDI_SYSTEM_PREFIX 0xF0 1016 1017/* 1018 * Timer event types 1019 */ 1020#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1021#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1022#define TMR_STOP 3 1023#define TMR_START 4 1024#define TMR_CONTINUE 5 1025#define TMR_TEMPO 6 1026#define TMR_ECHO 8 1027#define TMR_CLOCK 9 /* MIDI clock */ 1028#define TMR_SPP 10 /* Song position pointer */ 1029#define TMR_TIMESIG 11 /* Time signature */ 1030 1031/* 1032 * Local event types 1033 */ 1034#define LOCL_STARTAUDIO 1 1035 1036/* 1037 * Some convenience macros to simplify programming of the 1038 * /dev/sequencer interface 1039 * 1040 * This is a legacy interface for applications written against 1041 * the OSSlib-3.8 style interface. It is no longer possible 1042 * to actually link against OSSlib with this header, but we 1043 * still provide these macros for programs using them. 1044 * 1045 * If you want to use OSSlib, it is recommended that you get 1046 * the GPL version of OSS-4.x and build against that version 1047 * of the header. 1048 * 1049 * We redefine the extern keyword so that make headers_check 1050 * does not complain about SEQ_USE_EXTBUF. 1051 */ 1052#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1053 1054void seqbuf_dump(void); /* This function must be provided by programs */ 1055 1056#define SEQ_PM_DEFINES int __foo_bar___ 1057 1058#define SEQ_LOAD_GMINSTR(dev, instr) 1059#define SEQ_LOAD_GMDRUM(dev, drum) 1060 1061#define _SEQ_EXTERN extern 1062#define SEQ_USE_EXTBUF() \ 1063 _SEQ_EXTERN unsigned char _seqbuf[]; \ 1064 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr 1065 1066#ifndef USE_SIMPLE_MACROS 1067/* Sample seqbuf_dump() implementation: 1068 * 1069 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1070 * 1071 * int seqfd; -- The file descriptor for /dev/sequencer. 1072 * 1073 * void 1074 * seqbuf_dump () 1075 * { 1076 * if (_seqbufptr) 1077 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1078 * { 1079 * perror ("write /dev/sequencer"); 1080 * exit (-1); 1081 * } 1082 * _seqbufptr = 0; 1083 * } 1084 */ 1085 1086#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1087#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1088#define _SEQ_ADVBUF(len) _seqbufptr += len 1089#define SEQ_DUMPBUF seqbuf_dump 1090#else 1091/* 1092 * This variation of the sequencer macros is used just to format one event 1093 * using fixed buffer. 1094 * 1095 * The program using the macro library must define the following macros before 1096 * using this library. 1097 * 1098 * #define _seqbuf name of the buffer (unsigned char[]) 1099 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1100 * size of the event, this macro can be used. 1101 * Otherwise this must be defined as empty. 1102 * #define _seqbufptr Define the name of index variable or 0 if 1103 * not required. 1104 */ 1105#define _SEQ_NEEDBUF(len) /* empty */ 1106#endif 1107 1108#define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1109 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1110 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1111 _seqbuf[_seqbufptr+2] = (dev);\ 1112 _seqbuf[_seqbufptr+3] = (mode);\ 1113 _seqbuf[_seqbufptr+4] = 0;\ 1114 _seqbuf[_seqbufptr+5] = 0;\ 1115 _seqbuf[_seqbufptr+6] = 0;\ 1116 _seqbuf[_seqbufptr+7] = 0;\ 1117 _SEQ_ADVBUF(8);} 1118 1119/* 1120 * Midi voice messages 1121 */ 1122 1123#define _CHN_VOICE(dev, event, chn, note, parm) \ 1124 {_SEQ_NEEDBUF(8);\ 1125 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1126 _seqbuf[_seqbufptr+1] = (dev);\ 1127 _seqbuf[_seqbufptr+2] = (event);\ 1128 _seqbuf[_seqbufptr+3] = (chn);\ 1129 _seqbuf[_seqbufptr+4] = (note);\ 1130 _seqbuf[_seqbufptr+5] = (parm);\ 1131 _seqbuf[_seqbufptr+6] = (0);\ 1132 _seqbuf[_seqbufptr+7] = 0;\ 1133 _SEQ_ADVBUF(8);} 1134 1135#define SEQ_START_NOTE(dev, chn, note, vol) \ 1136 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1137 1138#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1139 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1140 1141#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1142 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1143 1144/* 1145 * Midi channel messages 1146 */ 1147 1148#define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1149 {_SEQ_NEEDBUF(8);\ 1150 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1151 _seqbuf[_seqbufptr+1] = (dev);\ 1152 _seqbuf[_seqbufptr+2] = (event);\ 1153 _seqbuf[_seqbufptr+3] = (chn);\ 1154 _seqbuf[_seqbufptr+4] = (p1);\ 1155 _seqbuf[_seqbufptr+5] = (p2);\ 1156 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1157 _SEQ_ADVBUF(8);} 1158/* 1159 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1160 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1161 * so _will_ cause problems with MPU401 intelligent mode). 1162 * 1163 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1164 * sent by calling SEQ_SYSEX() several times (there must be no other events 1165 * between them). First sysex fragment must have 0xf0 in the first byte 1166 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1167 * between these sysex start and end markers cannot be larger than 0x7f. Also 1168 * lengths of each fragments (except the last one) must be 6. 1169 * 1170 * Breaking the above rules may work with some MIDI ports but is likely to 1171 * cause fatal problems with some other devices (such as MPU401). 1172 */ 1173#define SEQ_SYSEX(dev, buf, len) \ 1174 {int ii, ll=(len); \ 1175 unsigned char *bufp=buf;\ 1176 if (ll>6)ll=6;\ 1177 _SEQ_NEEDBUF(8);\ 1178 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1179 _seqbuf[_seqbufptr+1] = (dev);\ 1180 for(ii=0;ii<ll;ii++)\ 1181 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1182 for(ii=ll;ii<6;ii++)\ 1183 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1184 _SEQ_ADVBUF(8);} 1185 1186#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1187 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1188 1189#define SEQ_SET_PATCH SEQ_PGM_CHANGE 1190#define SEQ_PGM_CHANGE(dev, chn, patch) \ 1191 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1192 1193#define SEQ_CONTROL(dev, chn, controller, value) \ 1194 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1195 1196#define SEQ_BENDER(dev, chn, value) \ 1197 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1198 1199 1200#define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1201 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1202 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1203 _seqbuf[_seqbufptr+2] = (dev);\ 1204 _seqbuf[_seqbufptr+3] = (voice);\ 1205 _seqbuf[_seqbufptr+4] = (controller);\ 1206 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1207 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1208 _seqbuf[_seqbufptr+7] = 0;\ 1209 _SEQ_ADVBUF(8);} 1210/* 1211 * The following 5 macros are incorrectly implemented and obsolete. 1212 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1213 */ 1214#define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1215#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1216#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1217#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1218#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1219 1220/* 1221 * Timing and syncronization macros 1222 */ 1223 1224#define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1225 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1226 _seqbuf[_seqbufptr+1] = (ev); \ 1227 _seqbuf[_seqbufptr+2] = 0;\ 1228 _seqbuf[_seqbufptr+3] = 0;\ 1229 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1230 _SEQ_ADVBUF(8);} 1231 1232#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1233#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1234#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1235#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1236#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1237#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1238#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1239#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1240#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1241 1242/* 1243 * Local control events 1244 */ 1245 1246#define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1247 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1248 _seqbuf[_seqbufptr+1] = (ev); \ 1249 _seqbuf[_seqbufptr+2] = 0;\ 1250 _seqbuf[_seqbufptr+3] = 0;\ 1251 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1252 _SEQ_ADVBUF(8);} 1253 1254#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1255/* 1256 * Events for the level 1 interface only 1257 */ 1258 1259#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1260 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1261 _seqbuf[_seqbufptr+1] = (byte);\ 1262 _seqbuf[_seqbufptr+2] = (device);\ 1263 _seqbuf[_seqbufptr+3] = 0;\ 1264 _SEQ_ADVBUF(4);} 1265 1266/* 1267 * Patch loading. 1268 */ 1269#define SEQ_WRPATCH(patchx, len) \ 1270 {if (_seqbufptr) SEQ_DUMPBUF();\ 1271 if (write(seqfd, (char*)(patchx), len)==-1) \ 1272 perror("Write patch: /dev/sequencer");} 1273#define SEQ_WRPATCH2(patchx, len) \ 1274 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1275 1276#endif 1277