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) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 87 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 88 #define SIOCPARM_MASK IOCPARM_MASK 89 #define SIOC_VOID IOC_VOID 90 #define SIOC_OUT IOC_OUT 91 #define SIOC_IN IOC_IN 92 #define SIOC_INOUT IOC_INOUT 93 #define _SIOC_SIZE _IOC_SIZE 94 #define _SIOC_DIR _IOC_DIR 95 #define _SIOC_NONE _IOC_NONE 96 #define _SIOC_READ _IOC_READ 97 #define _SIOC_WRITE _IOC_WRITE 98 #define _SIO _IO 99 #define _SIOR _IOR 100 #define _SIOW _IOW 101 #define _SIOWR _IOWR 102 #else 103 104 /* Ioctl's have the command encoded in the lower word, 105 * and the size of any in or out parameters in the upper 106 * word. The high 2 bits of the upper word are used 107 * to encode the in/out status of the parameter; for now 108 * we restrict parameters to at most 8191 bytes. 109 */ 110 /* #define SIOCTYPE (0xff<<8) */ 111 #define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 112 #define SIOC_VOID 0x00000000 /* no parameters */ 113 #define SIOC_OUT 0x20000000 /* copy out parameters */ 114 #define SIOC_IN 0x40000000 /* copy in parameters */ 115 #define SIOC_INOUT (SIOC_IN|SIOC_OUT) 116 /* the 0x20000000 is so we can distinguish new ioctl's from old */ 117 #define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 118 #define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 119 #define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 120 /* this should be _SIORW, but stdio got there first */ 121 #define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 122 #define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 123 #define _SIOC_DIR(x) (x & 0xf0000000) 124 #define _SIOC_NONE SIOC_VOID 125 #define _SIOC_READ SIOC_OUT 126 #define _SIOC_WRITE SIOC_IN 127 # endif /* _IOWR */ 128 #endif /* !_SIOWR */ 129 130 #define SNDCTL_SEQ_RESET _SIO ('Q', 0) 131 #define SNDCTL_SEQ_SYNC _SIO ('Q', 1) 132 #define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) 133 #define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 134 #define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) 135 #define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) 136 #define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) 137 #define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 138 #define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) 139 #define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) 140 #define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) 141 #define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) 142 #define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) 143 #define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) 144 #define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ 145 #define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ 146 #define SNDCTL_SEQ_PANIC _SIO ('Q',17) 147 #define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) 148 #define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) 149 #define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) 150 #define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) 151 #define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) 152 153 typedef struct synth_control 154 { 155 int devno; /* Synthesizer # */ 156 char data[4000]; /* Device spesific command/data record */ 157 }synth_control; 158 159 typedef struct remove_sample 160 { 161 int devno; /* Synthesizer # */ 162 int bankno; /* MIDI bank # (0=General MIDI) */ 163 int instrno; /* MIDI instrument number */ 164 } remove_sample; 165 166 typedef struct seq_event_rec { 167 unsigned char arr[8]; 168 } seq_event_rec; 169 170 #define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) 171 #define SNDCTL_TMR_START _SIO ('T', 2) 172 #define SNDCTL_TMR_STOP _SIO ('T', 3) 173 #define SNDCTL_TMR_CONTINUE _SIO ('T', 4) 174 #define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) 175 #define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) 176 # define TMR_INTERNAL 0x00000001 177 # define TMR_EXTERNAL 0x00000002 178 # define TMR_MODE_MIDI 0x00000010 179 # define TMR_MODE_FSK 0x00000020 180 # define TMR_MODE_CLS 0x00000040 181 # define TMR_MODE_SMPTE 0x00000080 182 #define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) 183 #define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) 184 185 /* 186 * Some big endian/little endian handling macros 187 */ 188 189 #define _LINUX_PATCHKEY_H_INDIRECT 190 #include <linux/patchkey.h> 191 #undef _LINUX_PATCHKEY_H_INDIRECT 192 193 #if defined(__KERNEL__) 194 # if defined(__BIG_ENDIAN) 195 # define AFMT_S16_NE AFMT_S16_BE 196 # elif defined(__LITTLE_ENDIAN) 197 # define AFMT_S16_NE AFMT_S16_LE 198 # else 199 # error "could not determine byte order" 200 # endif 201 #else 202 # if 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 #endif 212 213 /* 214 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 215 * The following patch_info structure has been designed to support 216 * Gravis UltraSound. It tries to be universal format for uploading 217 * sample based patches but is probably too limited. 218 * 219 * (PBD) As Hannu guessed, the GUS structure is too limited for 220 * the WaveFront, but this is the right place for a constant definition. 221 */ 222 223 struct patch_info { 224 unsigned short key; /* Use WAVE_PATCH here */ 225 #define WAVE_PATCH _PATCHKEY(0x04) 226 #define GUS_PATCH WAVE_PATCH 227 #define WAVEFRONT_PATCH _PATCHKEY(0x06) 228 229 short device_no; /* Synthesizer number */ 230 short instr_no; /* Midi pgm# */ 231 232 unsigned int mode; 233 /* 234 * The least significant byte has the same format than the GUS .PAT 235 * files 236 */ 237 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 238 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 239 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 240 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 241 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 242 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 243 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 244 #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 245 /* (use the env_rate/env_offs fields). */ 246 /* Linux specific bits */ 247 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 248 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 249 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 250 #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 251 /* Reserved bits */ 252 #define WAVE_ROM 0x40000000 /* For future use */ 253 #define WAVE_MULAW 0x20000000 /* For future use */ 254 /* Other bits must be zeroed */ 255 256 int len; /* Size of the wave data in bytes */ 257 int loop_start, loop_end; /* Byte offsets from the beginning */ 258 259 /* 260 * The base_freq and base_note fields are used when computing the 261 * playback speed for a note. The base_note defines the tone frequency 262 * which is heard if the sample is played using the base_freq as the 263 * playback speed. 264 * 265 * The low_note and high_note fields define the minimum and maximum note 266 * frequencies for which this sample is valid. It is possible to define 267 * more than one samples for an instrument number at the same time. The 268 * low_note and high_note fields are used to select the most suitable one. 269 * 270 * The fields base_note, high_note and low_note should contain 271 * the note frequency multiplied by 1000. For example value for the 272 * middle A is 440*1000. 273 */ 274 275 unsigned int base_freq; 276 unsigned int base_note; 277 unsigned int high_note; 278 unsigned int low_note; 279 int panning; /* -128=left, 127=right */ 280 int detuning; 281 282 /* New fields introduced in version 1.99.5 */ 283 284 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 285 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 286 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 287 288 /* 289 * The tremolo, vibrato and scale info are not supported yet. 290 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 291 * WAVE_SCALE 292 */ 293 294 unsigned char tremolo_sweep; 295 unsigned char tremolo_rate; 296 unsigned char tremolo_depth; 297 298 unsigned char vibrato_sweep; 299 unsigned char vibrato_rate; 300 unsigned char vibrato_depth; 301 302 int scale_frequency; 303 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 304 305 int volume; 306 int fractions; 307 int reserved1; 308 int spare[2]; 309 char data[1]; /* The waveform data starts here */ 310 }; 311 312 struct sysex_info { 313 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 314 #define SYSEX_PATCH _PATCHKEY(0x05) 315 #define MAUI_PATCH _PATCHKEY(0x06) 316 short device_no; /* Synthesizer number */ 317 int len; /* Size of the sysex data in bytes */ 318 unsigned char data[1]; /* Sysex data starts here */ 319 }; 320 321 /* 322 * /dev/sequencer input events. 323 * 324 * The data written to the /dev/sequencer is a stream of events. Events 325 * are records of 4 or 8 bytes. The first byte defines the size. 326 * Any number of events can be written with a write call. There 327 * is a set of macros for sending these events. Use these macros if you 328 * want to maximize portability of your program. 329 * 330 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 331 * (All input events are currently 4 bytes long. Be prepared to support 332 * 8 byte events also. If you receive any event having first byte >= 128, 333 * it's a 8 byte event. 334 * 335 * The events are documented at the end of this file. 336 * 337 * Normal events (4 bytes) 338 * There is also a 8 byte version of most of the 4 byte events. The 339 * 8 byte one is recommended. 340 */ 341 #define SEQ_NOTEOFF 0 342 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 343 #define SEQ_NOTEON 1 344 #define SEQ_FMNOTEON SEQ_NOTEON 345 #define SEQ_WAIT TMR_WAIT_ABS 346 #define SEQ_PGMCHANGE 3 347 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 348 #define SEQ_SYNCTIMER TMR_START 349 #define SEQ_MIDIPUTC 5 350 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 351 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 352 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 353 #define SEQ_AFTERTOUCH 9 354 #define SEQ_CONTROLLER 10 355 356 /******************************************* 357 * Midi controller numbers 358 ******************************************* 359 * Controllers 0 to 31 (0x00 to 0x1f) and 360 * 32 to 63 (0x20 to 0x3f) are continuous 361 * controllers. 362 * In the MIDI 1.0 these controllers are sent using 363 * two messages. Controller numbers 0 to 31 are used 364 * to send the MSB and the controller numbers 32 to 63 365 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 366 */ 367 368 #define CTL_BANK_SELECT 0x00 369 #define CTL_MODWHEEL 0x01 370 #define CTL_BREATH 0x02 371 /* undefined 0x03 */ 372 #define CTL_FOOT 0x04 373 #define CTL_PORTAMENTO_TIME 0x05 374 #define CTL_DATA_ENTRY 0x06 375 #define CTL_MAIN_VOLUME 0x07 376 #define CTL_BALANCE 0x08 377 /* undefined 0x09 */ 378 #define CTL_PAN 0x0a 379 #define CTL_EXPRESSION 0x0b 380 /* undefined 0x0c */ 381 /* undefined 0x0d */ 382 /* undefined 0x0e */ 383 /* undefined 0x0f */ 384 #define CTL_GENERAL_PURPOSE1 0x10 385 #define CTL_GENERAL_PURPOSE2 0x11 386 #define CTL_GENERAL_PURPOSE3 0x12 387 #define CTL_GENERAL_PURPOSE4 0x13 388 /* undefined 0x14 - 0x1f */ 389 390 /* undefined 0x20 */ 391 /* The controller numbers 0x21 to 0x3f are reserved for the */ 392 /* least significant bytes of the controllers 0x00 to 0x1f. */ 393 /* These controllers are not recognised by the driver. */ 394 395 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 396 /* 0=OFF and 127=ON (intermediate values are possible) */ 397 #define CTL_DAMPER_PEDAL 0x40 398 #define CTL_SUSTAIN 0x40 /* Alias */ 399 #define CTL_HOLD 0x40 /* Alias */ 400 #define CTL_PORTAMENTO 0x41 401 #define CTL_SOSTENUTO 0x42 402 #define CTL_SOFT_PEDAL 0x43 403 /* undefined 0x44 */ 404 #define CTL_HOLD2 0x45 405 /* undefined 0x46 - 0x4f */ 406 407 #define CTL_GENERAL_PURPOSE5 0x50 408 #define CTL_GENERAL_PURPOSE6 0x51 409 #define CTL_GENERAL_PURPOSE7 0x52 410 #define CTL_GENERAL_PURPOSE8 0x53 411 /* undefined 0x54 - 0x5a */ 412 #define CTL_EXT_EFF_DEPTH 0x5b 413 #define CTL_TREMOLO_DEPTH 0x5c 414 #define CTL_CHORUS_DEPTH 0x5d 415 #define CTL_DETUNE_DEPTH 0x5e 416 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 417 #define CTL_PHASER_DEPTH 0x5f 418 #define CTL_DATA_INCREMENT 0x60 419 #define CTL_DATA_DECREMENT 0x61 420 #define CTL_NONREG_PARM_NUM_LSB 0x62 421 #define CTL_NONREG_PARM_NUM_MSB 0x63 422 #define CTL_REGIST_PARM_NUM_LSB 0x64 423 #define CTL_REGIST_PARM_NUM_MSB 0x65 424 /* undefined 0x66 - 0x78 */ 425 /* reserved 0x79 - 0x7f */ 426 427 /* Pseudo controllers (not midi compatible) */ 428 #define CTRL_PITCH_BENDER 255 429 #define CTRL_PITCH_BENDER_RANGE 254 430 #define CTRL_EXPRESSION 253 /* Obsolete */ 431 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 432 #define SEQ_BALANCE 11 433 #define SEQ_VOLMODE 12 434 435 /* 436 * Volume mode decides how volumes are used 437 */ 438 439 #define VOL_METHOD_ADAGIO 1 440 #define VOL_METHOD_LINEAR 2 441 442 /* 443 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 444 * input events. 445 */ 446 447 /* 448 * Event codes 0xf0 to 0xfc are reserved for future extensions. 449 */ 450 451 #define SEQ_FULLSIZE 0xfd /* Long events */ 452 /* 453 * SEQ_FULLSIZE events are used for loading patches/samples to the 454 * synthesizer devices. These events are passed directly to the driver 455 * of the associated synthesizer device. There is no limit to the size 456 * of the extended events. These events are not queued but executed 457 * immediately when the write() is called (execution can take several 458 * seconds of time). 459 * 460 * When a SEQ_FULLSIZE message is written to the device, it must 461 * be written using exactly one write() call. Other events cannot 462 * be mixed to the same write. 463 * 464 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 465 * /dev/sequencer. Don't write other data together with the instrument structure 466 * Set the key field of the structure to FM_PATCH. The device field is used to 467 * route the patch to the corresponding device. 468 * 469 * For wave table use struct patch_info. Initialize the key field 470 * to WAVE_PATCH. 471 */ 472 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 473 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 474 475 /* 476 * Record for FM patches 477 */ 478 479 typedef unsigned char sbi_instr_data[32]; 480 481 struct sbi_instrument { 482 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 483 #define FM_PATCH _PATCHKEY(0x01) 484 #define OPL3_PATCH _PATCHKEY(0x03) 485 short device; /* Synth# (0-4) */ 486 int channel; /* Program# to be initialized */ 487 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 488 }; 489 490 struct synth_info { /* Read only */ 491 char name[30]; 492 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 493 int synth_type; 494 #define SYNTH_TYPE_FM 0 495 #define SYNTH_TYPE_SAMPLE 1 496 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 497 498 int synth_subtype; 499 #define FM_TYPE_ADLIB 0x00 500 #define FM_TYPE_OPL3 0x01 501 #define MIDI_TYPE_MPU401 0x401 502 503 #define SAMPLE_TYPE_BASIC 0x10 504 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 505 #define SAMPLE_TYPE_WAVEFRONT 0x11 506 507 int perc_mode; /* No longer supported */ 508 int nr_voices; 509 int nr_drums; /* Obsolete field */ 510 int instr_bank_size; 511 unsigned int capabilities; 512 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 513 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 514 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 515 int dummies[19]; /* Reserve space */ 516 }; 517 518 struct sound_timer_info { 519 char name[32]; 520 int caps; 521 }; 522 523 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 524 525 struct midi_info { 526 char name[30]; 527 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 528 unsigned int capabilities; /* To be defined later */ 529 int dev_type; 530 int dummies[18]; /* Reserve space */ 531 }; 532 533 /******************************************** 534 * ioctl commands for the /dev/midi## 535 */ 536 typedef struct { 537 unsigned char cmd; 538 char nr_args, nr_returns; 539 unsigned char data[30]; 540 } mpu_command_rec; 541 542 #define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 543 #define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 544 #define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 545 546 /******************************************** 547 * IOCTL commands for /dev/dsp and /dev/audio 548 */ 549 550 #define SNDCTL_DSP_RESET _SIO ('P', 0) 551 #define SNDCTL_DSP_SYNC _SIO ('P', 1) 552 #define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 553 #define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 554 #define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 555 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 556 #define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 557 #define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 558 #define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 559 #define SNDCTL_DSP_POST _SIO ('P', 8) 560 #define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 561 #define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 562 563 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 564 #define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 565 #define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 566 # define AFMT_QUERY 0x00000000 /* Return current fmt */ 567 # define AFMT_MU_LAW 0x00000001 568 # define AFMT_A_LAW 0x00000002 569 # define AFMT_IMA_ADPCM 0x00000004 570 # define AFMT_U8 0x00000008 571 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 572 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 573 # define AFMT_S8 0x00000040 574 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 575 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 576 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 577 # define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 578 579 /* 580 * Buffer status queries. 581 */ 582 typedef struct audio_buf_info { 583 int fragments; /* # of available fragments (partially usend ones not counted) */ 584 int fragstotal; /* Total # of fragments allocated */ 585 int fragsize; /* Size of a fragment in bytes */ 586 587 int bytes; /* Available space in bytes (includes partially used fragments) */ 588 /* Note! 'bytes' could be more than fragments*fragsize */ 589 } audio_buf_info; 590 591 #define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 592 #define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 593 #define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 594 #define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 595 # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 596 # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 597 # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 598 # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 599 /* internal buffers which may */ 600 /* cause some delays and */ 601 /* decrease precision of timing */ 602 # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 603 /* Sometimes it's a DSP */ 604 /* but usually not */ 605 # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 606 # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 607 # define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 608 # define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 609 610 611 #define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 612 #define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 613 # define PCM_ENABLE_INPUT 0x00000001 614 # define PCM_ENABLE_OUTPUT 0x00000002 615 616 typedef struct count_info { 617 int bytes; /* Total # of bytes processed */ 618 int blocks; /* # of fragment transitions since last time */ 619 int ptr; /* Current DMA pointer value */ 620 } count_info; 621 622 #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 623 #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 624 625 typedef struct buffmem_desc { 626 unsigned *buffer; 627 int size; 628 } buffmem_desc; 629 #define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 630 #define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 631 #define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 632 #define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 633 #define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 634 635 #define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 636 #define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 637 # define DSP_BIND_QUERY 0x00000000 638 # define DSP_BIND_FRONT 0x00000001 639 # define DSP_BIND_SURR 0x00000002 640 # define DSP_BIND_CENTER_LFE 0x00000004 641 # define DSP_BIND_HANDSET 0x00000008 642 # define DSP_BIND_MIC 0x00000010 643 # define DSP_BIND_MODEM1 0x00000020 644 # define DSP_BIND_MODEM2 0x00000040 645 # define DSP_BIND_I2S 0x00000080 646 # define DSP_BIND_SPDIF 0x00000100 647 648 #define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 649 #define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 650 # define SPDIF_PRO 0x0001 651 # define SPDIF_N_AUD 0x0002 652 # define SPDIF_COPY 0x0004 653 # define SPDIF_PRE 0x0008 654 # define SPDIF_CC 0x07f0 655 # define SPDIF_L 0x0800 656 # define SPDIF_DRS 0x4000 657 # define SPDIF_V 0x8000 658 659 /* 660 * Application's profile defines the way how playback underrun situations should be handled. 661 * 662 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 663 * playback buffer whenever an underrun occurs. This consumes some time 664 * prevents looping the existing buffer. 665 * APF_CPUINTENS is intended to be set by CPU intensive applications which 666 * are likely to run out of time occasionally. In this mode the buffer cleanup is 667 * disabled which saves CPU time but also let's the previous buffer content to 668 * be played during the "pause" after the underrun. 669 */ 670 #define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 671 #define APF_NORMAL 0 /* Normal applications */ 672 #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 673 #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 674 675 #define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 676 #define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 677 #define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 678 #define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 679 680 /* Some alias names */ 681 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 682 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 683 #define SOUND_PCM_POST SNDCTL_DSP_POST 684 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 685 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 686 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 687 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 688 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 689 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 690 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 691 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 692 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 693 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 694 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 695 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 696 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 697 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 698 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 699 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 700 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 701 702 /* 703 * ioctl calls to be used in communication with coprocessors and 704 * DSP chips. 705 */ 706 707 typedef struct copr_buffer { 708 int command; /* Set to 0 if not used */ 709 int flags; 710 #define CPF_NONE 0x0000 711 #define CPF_FIRST 0x0001 /* First block */ 712 #define CPF_LAST 0x0002 /* Last block */ 713 int len; 714 int offs; /* If required by the device (0 if not used) */ 715 716 unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 717 } copr_buffer; 718 719 typedef struct copr_debug_buf { 720 int command; /* Used internally. Set to 0 */ 721 int parm1; 722 int parm2; 723 int flags; 724 int len; /* Length of data in bytes */ 725 } copr_debug_buf; 726 727 typedef struct copr_msg { 728 int len; 729 unsigned char data[4000]; 730 } copr_msg; 731 732 #define SNDCTL_COPR_RESET _SIO ('C', 0) 733 #define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 734 #define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 735 #define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 736 #define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 737 #define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 738 #define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 739 #define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 740 #define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 741 #define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 742 743 /********************************************* 744 * IOCTL commands for /dev/mixer 745 */ 746 747 /* 748 * Mixer devices 749 * 750 * There can be up to 20 different analog mixer channels. The 751 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 752 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 753 * the devices supported by the particular mixer. 754 */ 755 756 #define SOUND_MIXER_NRDEVICES 25 757 #define SOUND_MIXER_VOLUME 0 758 #define SOUND_MIXER_BASS 1 759 #define SOUND_MIXER_TREBLE 2 760 #define SOUND_MIXER_SYNTH 3 761 #define SOUND_MIXER_PCM 4 762 #define SOUND_MIXER_SPEAKER 5 763 #define SOUND_MIXER_LINE 6 764 #define SOUND_MIXER_MIC 7 765 #define SOUND_MIXER_CD 8 766 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 767 #define SOUND_MIXER_ALTPCM 10 768 #define SOUND_MIXER_RECLEV 11 /* Recording level */ 769 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 770 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 771 /* 772 * The AD1848 codec and compatibles have three line level inputs 773 * (line, aux1 and aux2). Since each card manufacturer have assigned 774 * different meanings to these inputs, it's inpractical to assign 775 * specific meanings (line, cd, synth etc.) to them. 776 */ 777 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 778 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 779 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 780 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 781 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 782 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 783 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 784 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 785 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 786 #define SOUND_MIXER_RADIO 23 /* Radio in */ 787 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 788 789 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 790 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 791 #define SOUND_ONOFF_MIN 28 792 #define SOUND_ONOFF_MAX 30 793 794 /* Note! Number 31 cannot be used since the sign bit is reserved */ 795 #define SOUND_MIXER_NONE 31 796 797 /* 798 * The following unsupported macros are no longer functional. 799 * Use SOUND_MIXER_PRIVATE# macros in future. 800 */ 801 #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 802 #define SOUND_MIXER_MUTE SOUND_MIXER_NONE 803 #define SOUND_MIXER_LOUD SOUND_MIXER_NONE 804 805 806 #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 807 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 808 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 809 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 810 811 #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 812 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 813 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 814 "phin", "phout", "video", "radio", "monitor"} 815 816 /* Device bitmask identifiers */ 817 818 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 819 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 820 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 821 #define SOUND_MIXER_CAPS 0xfc 822 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 823 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 824 #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 825 #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 826 827 /* Device mask bits */ 828 829 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 830 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 831 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 832 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 833 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 834 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 835 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 836 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 837 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 838 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 839 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 840 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 841 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 842 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 843 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 844 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 845 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 846 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 847 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 848 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 849 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 850 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 851 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 852 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 853 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 854 855 /* Obsolete macros */ 856 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 857 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 858 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 859 860 #define MIXER_READ(dev) _SIOR('M', dev, int) 861 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 862 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 863 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 864 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 865 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 866 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 867 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 868 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 869 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 870 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 871 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 872 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 873 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 874 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 875 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 876 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 877 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 878 879 /* Obsolete macros */ 880 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 881 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 882 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 883 884 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 885 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 886 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 887 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 888 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 889 890 #define MIXER_WRITE(dev) _SIOWR('M', dev, int) 891 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 892 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 893 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 894 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 895 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 896 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 897 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 898 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 899 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 900 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 901 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 902 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 903 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 904 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 905 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 906 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 907 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 908 909 /* Obsolete macros */ 910 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 911 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 912 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 913 914 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 915 916 typedef struct mixer_info 917 { 918 char id[16]; 919 char name[32]; 920 int modify_counter; 921 int fillers[10]; 922 } mixer_info; 923 924 typedef struct _old_mixer_info /* Obsolete */ 925 { 926 char id[16]; 927 char name[32]; 928 } _old_mixer_info; 929 930 #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 931 #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 932 933 /* 934 * A mechanism for accessing "proprietary" mixer features. This method 935 * permits passing 128 bytes of arbitrary data between a mixer application 936 * and the mixer driver. Interpretation of the record is defined by 937 * the particular mixer driver. 938 */ 939 typedef unsigned char mixer_record[128]; 940 941 #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 942 943 /* 944 * Two ioctls for special souncard function 945 */ 946 #define SOUND_MIXER_AGC _SIOWR('M', 103, int) 947 #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 948 949 /* 950 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 951 * These features can be used when accessing device specific features. 952 */ 953 #define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 954 #define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 955 #define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 956 #define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 957 #define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 958 959 /* 960 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 961 * for querying current mixer settings from the driver and for loading 962 * default volume settings _prior_ activating the mixer (loading 963 * doesn't affect current state of the mixer hardware). These calls 964 * are for internal use only. 965 */ 966 967 typedef struct mixer_vol_table { 968 int num; /* Index to volume table */ 969 char name[32]; 970 int levels[32]; 971 } mixer_vol_table; 972 973 #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 974 #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 975 976 /* 977 * An ioctl for identifying the driver version. It will return value 978 * of the SOUND_VERSION macro used when compiling the driver. 979 * This call was introduced in OSS version 3.6 and it will not work 980 * with earlier versions (returns EINVAL). 981 */ 982 #define OSS_GETVERSION _SIOR ('M', 118, int) 983 984 /* 985 * Level 2 event types for /dev/sequencer 986 */ 987 988 /* 989 * The 4 most significant bits of byte 0 specify the class of 990 * the event: 991 * 992 * 0x8X = system level events, 993 * 0x9X = device/port specific events, event[1] = device/port, 994 * The last 4 bits give the subtype: 995 * 0x02 = Channel event (event[3] = chn). 996 * 0x01 = note event (event[4] = note). 997 * (0x01 is not used alone but always with bit 0x02). 998 * event[2] = MIDI message code (0x80=note off etc.) 999 * 1000 */ 1001 1002 #define EV_SEQ_LOCAL 0x80 1003 #define EV_TIMING 0x81 1004 #define EV_CHN_COMMON 0x92 1005 #define EV_CHN_VOICE 0x93 1006 #define EV_SYSEX 0x94 1007 /* 1008 * Event types 200 to 220 are reserved for application use. 1009 * These numbers will not be used by the driver. 1010 */ 1011 1012 /* 1013 * Events for event type EV_CHN_VOICE 1014 */ 1015 1016 #define MIDI_NOTEOFF 0x80 1017 #define MIDI_NOTEON 0x90 1018 #define MIDI_KEY_PRESSURE 0xA0 1019 1020 /* 1021 * Events for event type EV_CHN_COMMON 1022 */ 1023 1024 #define MIDI_CTL_CHANGE 0xB0 1025 #define MIDI_PGM_CHANGE 0xC0 1026 #define MIDI_CHN_PRESSURE 0xD0 1027 #define MIDI_PITCH_BEND 0xE0 1028 1029 #define MIDI_SYSTEM_PREFIX 0xF0 1030 1031 /* 1032 * Timer event types 1033 */ 1034 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1035 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1036 #define TMR_STOP 3 1037 #define TMR_START 4 1038 #define TMR_CONTINUE 5 1039 #define TMR_TEMPO 6 1040 #define TMR_ECHO 8 1041 #define TMR_CLOCK 9 /* MIDI clock */ 1042 #define TMR_SPP 10 /* Song position pointer */ 1043 #define TMR_TIMESIG 11 /* Time signature */ 1044 1045 /* 1046 * Local event types 1047 */ 1048 #define LOCL_STARTAUDIO 1 1049 1050 #if !defined(__KERNEL__) || defined(USE_SEQ_MACROS) 1051 /* 1052 * Some convenience macros to simplify programming of the 1053 * /dev/sequencer interface 1054 * 1055 * This is a legacy interface for applications written against 1056 * the OSSlib-3.8 style interface. It is no longer possible 1057 * to actually link against OSSlib with this header, but we 1058 * still provide these macros for programs using them. 1059 * 1060 * If you want to use OSSlib, it is recommended that you get 1061 * the GPL version of OSS-4.x and build against that version 1062 * of the header. 1063 * 1064 * We redefine the extern keyword so that make headers_check 1065 * does not complain about SEQ_USE_EXTBUF. 1066 */ 1067 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1068 1069 void seqbuf_dump(void); /* This function must be provided by programs */ 1070 1071 #define SEQ_PM_DEFINES int __foo_bar___ 1072 1073 #define SEQ_LOAD_GMINSTR(dev, instr) 1074 #define SEQ_LOAD_GMDRUM(dev, drum) 1075 1076 #define _SEQ_EXTERN extern 1077 #define SEQ_USE_EXTBUF() \ 1078 _SEQ_EXTERN unsigned char _seqbuf[]; \ 1079 _SEQ_EXTERN int _seqbuflen; _SEQ_EXTERN int _seqbufptr 1080 1081 #ifndef USE_SIMPLE_MACROS 1082 /* Sample seqbuf_dump() implementation: 1083 * 1084 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1085 * 1086 * int seqfd; -- The file descriptor for /dev/sequencer. 1087 * 1088 * void 1089 * seqbuf_dump () 1090 * { 1091 * if (_seqbufptr) 1092 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1093 * { 1094 * perror ("write /dev/sequencer"); 1095 * exit (-1); 1096 * } 1097 * _seqbufptr = 0; 1098 * } 1099 */ 1100 1101 #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1102 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1103 #define _SEQ_ADVBUF(len) _seqbufptr += len 1104 #define SEQ_DUMPBUF seqbuf_dump 1105 #else 1106 /* 1107 * This variation of the sequencer macros is used just to format one event 1108 * using fixed buffer. 1109 * 1110 * The program using the macro library must define the following macros before 1111 * using this library. 1112 * 1113 * #define _seqbuf name of the buffer (unsigned char[]) 1114 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1115 * size of the event, this macro can be used. 1116 * Otherwise this must be defined as empty. 1117 * #define _seqbufptr Define the name of index variable or 0 if 1118 * not required. 1119 */ 1120 #define _SEQ_NEEDBUF(len) /* empty */ 1121 #endif 1122 1123 #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1124 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1125 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1126 _seqbuf[_seqbufptr+2] = (dev);\ 1127 _seqbuf[_seqbufptr+3] = (mode);\ 1128 _seqbuf[_seqbufptr+4] = 0;\ 1129 _seqbuf[_seqbufptr+5] = 0;\ 1130 _seqbuf[_seqbufptr+6] = 0;\ 1131 _seqbuf[_seqbufptr+7] = 0;\ 1132 _SEQ_ADVBUF(8);} 1133 1134 /* 1135 * Midi voice messages 1136 */ 1137 1138 #define _CHN_VOICE(dev, event, chn, note, parm) \ 1139 {_SEQ_NEEDBUF(8);\ 1140 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1141 _seqbuf[_seqbufptr+1] = (dev);\ 1142 _seqbuf[_seqbufptr+2] = (event);\ 1143 _seqbuf[_seqbufptr+3] = (chn);\ 1144 _seqbuf[_seqbufptr+4] = (note);\ 1145 _seqbuf[_seqbufptr+5] = (parm);\ 1146 _seqbuf[_seqbufptr+6] = (0);\ 1147 _seqbuf[_seqbufptr+7] = 0;\ 1148 _SEQ_ADVBUF(8);} 1149 1150 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1151 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1152 1153 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1154 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1155 1156 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1157 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1158 1159 /* 1160 * Midi channel messages 1161 */ 1162 1163 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1164 {_SEQ_NEEDBUF(8);\ 1165 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1166 _seqbuf[_seqbufptr+1] = (dev);\ 1167 _seqbuf[_seqbufptr+2] = (event);\ 1168 _seqbuf[_seqbufptr+3] = (chn);\ 1169 _seqbuf[_seqbufptr+4] = (p1);\ 1170 _seqbuf[_seqbufptr+5] = (p2);\ 1171 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1172 _SEQ_ADVBUF(8);} 1173 /* 1174 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1175 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1176 * so _will_ cause problems with MPU401 intelligent mode). 1177 * 1178 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1179 * sent by calling SEQ_SYSEX() several times (there must be no other events 1180 * between them). First sysex fragment must have 0xf0 in the first byte 1181 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1182 * between these sysex start and end markers cannot be larger than 0x7f. Also 1183 * lengths of each fragments (except the last one) must be 6. 1184 * 1185 * Breaking the above rules may work with some MIDI ports but is likely to 1186 * cause fatal problems with some other devices (such as MPU401). 1187 */ 1188 #define SEQ_SYSEX(dev, buf, len) \ 1189 {int ii, ll=(len); \ 1190 unsigned char *bufp=buf;\ 1191 if (ll>6)ll=6;\ 1192 _SEQ_NEEDBUF(8);\ 1193 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1194 _seqbuf[_seqbufptr+1] = (dev);\ 1195 for(ii=0;ii<ll;ii++)\ 1196 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1197 for(ii=ll;ii<6;ii++)\ 1198 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1199 _SEQ_ADVBUF(8);} 1200 1201 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1202 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1203 1204 #define SEQ_SET_PATCH SEQ_PGM_CHANGE 1205 #define SEQ_PGM_CHANGE(dev, chn, patch) \ 1206 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1207 1208 #define SEQ_CONTROL(dev, chn, controller, value) \ 1209 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1210 1211 #define SEQ_BENDER(dev, chn, value) \ 1212 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1213 1214 1215 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1216 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1217 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1218 _seqbuf[_seqbufptr+2] = (dev);\ 1219 _seqbuf[_seqbufptr+3] = (voice);\ 1220 _seqbuf[_seqbufptr+4] = (controller);\ 1221 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1222 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1223 _seqbuf[_seqbufptr+7] = 0;\ 1224 _SEQ_ADVBUF(8);} 1225 /* 1226 * The following 5 macros are incorrectly implemented and obsolete. 1227 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1228 */ 1229 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1230 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1231 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1232 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1233 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1234 1235 /* 1236 * Timing and synchronization macros 1237 */ 1238 1239 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1240 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1241 _seqbuf[_seqbufptr+1] = (ev); \ 1242 _seqbuf[_seqbufptr+2] = 0;\ 1243 _seqbuf[_seqbufptr+3] = 0;\ 1244 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1245 _SEQ_ADVBUF(8);} 1246 1247 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1248 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1249 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1250 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1251 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1252 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1253 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1254 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1255 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1256 1257 /* 1258 * Local control events 1259 */ 1260 1261 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1262 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1263 _seqbuf[_seqbufptr+1] = (ev); \ 1264 _seqbuf[_seqbufptr+2] = 0;\ 1265 _seqbuf[_seqbufptr+3] = 0;\ 1266 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1267 _SEQ_ADVBUF(8);} 1268 1269 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1270 /* 1271 * Events for the level 1 interface only 1272 */ 1273 1274 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1275 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1276 _seqbuf[_seqbufptr+1] = (byte);\ 1277 _seqbuf[_seqbufptr+2] = (device);\ 1278 _seqbuf[_seqbufptr+3] = 0;\ 1279 _SEQ_ADVBUF(4);} 1280 1281 /* 1282 * Patch loading. 1283 */ 1284 #define SEQ_WRPATCH(patchx, len) \ 1285 {if (_seqbufptr) SEQ_DUMPBUF();\ 1286 if (write(seqfd, (char*)(patchx), len)==-1) \ 1287 perror("Write patch: /dev/sequencer");} 1288 #define SEQ_WRPATCH2(patchx, len) \ 1289 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1290 1291 #endif 1292 #endif 1293