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 #elif defined(__BYTE_ORDER) 202 # if __BYTE_ORDER == __BIG_ENDIAN 203 # define AFMT_S16_NE AFMT_S16_BE 204 # elif __BYTE_ORDER == __LITTLE_ENDIAN 205 # define AFMT_S16_NE AFMT_S16_LE 206 # else 207 # error "could not determine byte order" 208 # endif 209 #endif 210 211 /* 212 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 213 * The following patch_info structure has been designed to support 214 * Gravis UltraSound. It tries to be universal format for uploading 215 * sample based patches but is probably too limited. 216 * 217 * (PBD) As Hannu guessed, the GUS structure is too limited for 218 * the WaveFront, but this is the right place for a constant definition. 219 */ 220 221 struct patch_info { 222 unsigned short key; /* Use WAVE_PATCH here */ 223 #define WAVE_PATCH _PATCHKEY(0x04) 224 #define GUS_PATCH WAVE_PATCH 225 #define WAVEFRONT_PATCH _PATCHKEY(0x06) 226 227 short device_no; /* Synthesizer number */ 228 short instr_no; /* Midi pgm# */ 229 230 unsigned int mode; 231 /* 232 * The least significant byte has the same format than the GUS .PAT 233 * files 234 */ 235 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 236 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 237 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 238 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 239 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 240 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 241 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 242 #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 243 /* (use the env_rate/env_offs fields). */ 244 /* Linux specific bits */ 245 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 246 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 247 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 248 #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 249 /* Reserved bits */ 250 #define WAVE_ROM 0x40000000 /* For future use */ 251 #define WAVE_MULAW 0x20000000 /* For future use */ 252 /* Other bits must be zeroed */ 253 254 int len; /* Size of the wave data in bytes */ 255 int loop_start, loop_end; /* Byte offsets from the beginning */ 256 257 /* 258 * The base_freq and base_note fields are used when computing the 259 * playback speed for a note. The base_note defines the tone frequency 260 * which is heard if the sample is played using the base_freq as the 261 * playback speed. 262 * 263 * The low_note and high_note fields define the minimum and maximum note 264 * frequencies for which this sample is valid. It is possible to define 265 * more than one samples for an instrument number at the same time. The 266 * low_note and high_note fields are used to select the most suitable one. 267 * 268 * The fields base_note, high_note and low_note should contain 269 * the note frequency multiplied by 1000. For example value for the 270 * middle A is 440*1000. 271 */ 272 273 unsigned int base_freq; 274 unsigned int base_note; 275 unsigned int high_note; 276 unsigned int low_note; 277 int panning; /* -128=left, 127=right */ 278 int detuning; 279 280 /* New fields introduced in version 1.99.5 */ 281 282 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 283 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 284 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 285 286 /* 287 * The tremolo, vibrato and scale info are not supported yet. 288 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 289 * WAVE_SCALE 290 */ 291 292 unsigned char tremolo_sweep; 293 unsigned char tremolo_rate; 294 unsigned char tremolo_depth; 295 296 unsigned char vibrato_sweep; 297 unsigned char vibrato_rate; 298 unsigned char vibrato_depth; 299 300 int scale_frequency; 301 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 302 303 int volume; 304 int fractions; 305 int reserved1; 306 int spare[2]; 307 char data[1]; /* The waveform data starts here */ 308 }; 309 310 struct sysex_info { 311 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 312 #define SYSEX_PATCH _PATCHKEY(0x05) 313 #define MAUI_PATCH _PATCHKEY(0x06) 314 short device_no; /* Synthesizer number */ 315 int len; /* Size of the sysex data in bytes */ 316 unsigned char data[1]; /* Sysex data starts here */ 317 }; 318 319 /* 320 * /dev/sequencer input events. 321 * 322 * The data written to the /dev/sequencer is a stream of events. Events 323 * are records of 4 or 8 bytes. The first byte defines the size. 324 * Any number of events can be written with a write call. There 325 * is a set of macros for sending these events. Use these macros if you 326 * want to maximize portability of your program. 327 * 328 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 329 * (All input events are currently 4 bytes long. Be prepared to support 330 * 8 byte events also. If you receive any event having first byte >= 128, 331 * it's a 8 byte event. 332 * 333 * The events are documented at the end of this file. 334 * 335 * Normal events (4 bytes) 336 * There is also a 8 byte version of most of the 4 byte events. The 337 * 8 byte one is recommended. 338 */ 339 #define SEQ_NOTEOFF 0 340 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 341 #define SEQ_NOTEON 1 342 #define SEQ_FMNOTEON SEQ_NOTEON 343 #define SEQ_WAIT TMR_WAIT_ABS 344 #define SEQ_PGMCHANGE 3 345 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 346 #define SEQ_SYNCTIMER TMR_START 347 #define SEQ_MIDIPUTC 5 348 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 349 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 350 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 351 #define SEQ_AFTERTOUCH 9 352 #define SEQ_CONTROLLER 10 353 354 /******************************************* 355 * Midi controller numbers 356 ******************************************* 357 * Controllers 0 to 31 (0x00 to 0x1f) and 358 * 32 to 63 (0x20 to 0x3f) are continuous 359 * controllers. 360 * In the MIDI 1.0 these controllers are sent using 361 * two messages. Controller numbers 0 to 31 are used 362 * to send the MSB and the controller numbers 32 to 63 363 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 364 */ 365 366 #define CTL_BANK_SELECT 0x00 367 #define CTL_MODWHEEL 0x01 368 #define CTL_BREATH 0x02 369 /* undefined 0x03 */ 370 #define CTL_FOOT 0x04 371 #define CTL_PORTAMENTO_TIME 0x05 372 #define CTL_DATA_ENTRY 0x06 373 #define CTL_MAIN_VOLUME 0x07 374 #define CTL_BALANCE 0x08 375 /* undefined 0x09 */ 376 #define CTL_PAN 0x0a 377 #define CTL_EXPRESSION 0x0b 378 /* undefined 0x0c */ 379 /* undefined 0x0d */ 380 /* undefined 0x0e */ 381 /* undefined 0x0f */ 382 #define CTL_GENERAL_PURPOSE1 0x10 383 #define CTL_GENERAL_PURPOSE2 0x11 384 #define CTL_GENERAL_PURPOSE3 0x12 385 #define CTL_GENERAL_PURPOSE4 0x13 386 /* undefined 0x14 - 0x1f */ 387 388 /* undefined 0x20 */ 389 /* The controller numbers 0x21 to 0x3f are reserved for the */ 390 /* least significant bytes of the controllers 0x00 to 0x1f. */ 391 /* These controllers are not recognised by the driver. */ 392 393 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 394 /* 0=OFF and 127=ON (intermediate values are possible) */ 395 #define CTL_DAMPER_PEDAL 0x40 396 #define CTL_SUSTAIN 0x40 /* Alias */ 397 #define CTL_HOLD 0x40 /* Alias */ 398 #define CTL_PORTAMENTO 0x41 399 #define CTL_SOSTENUTO 0x42 400 #define CTL_SOFT_PEDAL 0x43 401 /* undefined 0x44 */ 402 #define CTL_HOLD2 0x45 403 /* undefined 0x46 - 0x4f */ 404 405 #define CTL_GENERAL_PURPOSE5 0x50 406 #define CTL_GENERAL_PURPOSE6 0x51 407 #define CTL_GENERAL_PURPOSE7 0x52 408 #define CTL_GENERAL_PURPOSE8 0x53 409 /* undefined 0x54 - 0x5a */ 410 #define CTL_EXT_EFF_DEPTH 0x5b 411 #define CTL_TREMOLO_DEPTH 0x5c 412 #define CTL_CHORUS_DEPTH 0x5d 413 #define CTL_DETUNE_DEPTH 0x5e 414 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 415 #define CTL_PHASER_DEPTH 0x5f 416 #define CTL_DATA_INCREMENT 0x60 417 #define CTL_DATA_DECREMENT 0x61 418 #define CTL_NONREG_PARM_NUM_LSB 0x62 419 #define CTL_NONREG_PARM_NUM_MSB 0x63 420 #define CTL_REGIST_PARM_NUM_LSB 0x64 421 #define CTL_REGIST_PARM_NUM_MSB 0x65 422 /* undefined 0x66 - 0x78 */ 423 /* reserved 0x79 - 0x7f */ 424 425 /* Pseudo controllers (not midi compatible) */ 426 #define CTRL_PITCH_BENDER 255 427 #define CTRL_PITCH_BENDER_RANGE 254 428 #define CTRL_EXPRESSION 253 /* Obsolete */ 429 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 430 #define SEQ_BALANCE 11 431 #define SEQ_VOLMODE 12 432 433 /* 434 * Volume mode decides how volumes are used 435 */ 436 437 #define VOL_METHOD_ADAGIO 1 438 #define VOL_METHOD_LINEAR 2 439 440 /* 441 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 442 * input events. 443 */ 444 445 /* 446 * Event codes 0xf0 to 0xfc are reserved for future extensions. 447 */ 448 449 #define SEQ_FULLSIZE 0xfd /* Long events */ 450 /* 451 * SEQ_FULLSIZE events are used for loading patches/samples to the 452 * synthesizer devices. These events are passed directly to the driver 453 * of the associated synthesizer device. There is no limit to the size 454 * of the extended events. These events are not queued but executed 455 * immediately when the write() is called (execution can take several 456 * seconds of time). 457 * 458 * When a SEQ_FULLSIZE message is written to the device, it must 459 * be written using exactly one write() call. Other events cannot 460 * be mixed to the same write. 461 * 462 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 463 * /dev/sequencer. Don't write other data together with the instrument structure 464 * Set the key field of the structure to FM_PATCH. The device field is used to 465 * route the patch to the corresponding device. 466 * 467 * For wave table use struct patch_info. Initialize the key field 468 * to WAVE_PATCH. 469 */ 470 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 471 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 472 473 /* 474 * Record for FM patches 475 */ 476 477 typedef unsigned char sbi_instr_data[32]; 478 479 struct sbi_instrument { 480 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 481 #define FM_PATCH _PATCHKEY(0x01) 482 #define OPL3_PATCH _PATCHKEY(0x03) 483 short device; /* Synth# (0-4) */ 484 int channel; /* Program# to be initialized */ 485 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 486 }; 487 488 struct synth_info { /* Read only */ 489 char name[30]; 490 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 491 int synth_type; 492 #define SYNTH_TYPE_FM 0 493 #define SYNTH_TYPE_SAMPLE 1 494 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 495 496 int synth_subtype; 497 #define FM_TYPE_ADLIB 0x00 498 #define FM_TYPE_OPL3 0x01 499 #define MIDI_TYPE_MPU401 0x401 500 501 #define SAMPLE_TYPE_BASIC 0x10 502 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 503 #define SAMPLE_TYPE_WAVEFRONT 0x11 504 505 int perc_mode; /* No longer supported */ 506 int nr_voices; 507 int nr_drums; /* Obsolete field */ 508 int instr_bank_size; 509 unsigned int capabilities; 510 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 511 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 512 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 513 int dummies[19]; /* Reserve space */ 514 }; 515 516 struct sound_timer_info { 517 char name[32]; 518 int caps; 519 }; 520 521 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 522 523 struct midi_info { 524 char name[30]; 525 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 526 unsigned int capabilities; /* To be defined later */ 527 int dev_type; 528 int dummies[18]; /* Reserve space */ 529 }; 530 531 /******************************************** 532 * ioctl commands for the /dev/midi## 533 */ 534 typedef struct { 535 unsigned char cmd; 536 char nr_args, nr_returns; 537 unsigned char data[30]; 538 } mpu_command_rec; 539 540 #define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 541 #define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 542 #define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 543 544 /******************************************** 545 * IOCTL commands for /dev/dsp and /dev/audio 546 */ 547 548 #define SNDCTL_DSP_RESET _SIO ('P', 0) 549 #define SNDCTL_DSP_SYNC _SIO ('P', 1) 550 #define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 551 #define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 552 #define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 553 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 554 #define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 555 #define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 556 #define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 557 #define SNDCTL_DSP_POST _SIO ('P', 8) 558 #define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 559 #define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 560 561 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 562 #define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 563 #define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 564 # define AFMT_QUERY 0x00000000 /* Return current fmt */ 565 # define AFMT_MU_LAW 0x00000001 566 # define AFMT_A_LAW 0x00000002 567 # define AFMT_IMA_ADPCM 0x00000004 568 # define AFMT_U8 0x00000008 569 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 570 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 571 # define AFMT_S8 0x00000040 572 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 573 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 574 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 575 # define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 576 577 /* 578 * Buffer status queries. 579 */ 580 typedef struct audio_buf_info { 581 int fragments; /* # of available fragments (partially usend ones not counted) */ 582 int fragstotal; /* Total # of fragments allocated */ 583 int fragsize; /* Size of a fragment in bytes */ 584 585 int bytes; /* Available space in bytes (includes partially used fragments) */ 586 /* Note! 'bytes' could be more than fragments*fragsize */ 587 } audio_buf_info; 588 589 #define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 590 #define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 591 #define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 592 #define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 593 # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 594 # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 595 # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 596 # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 597 /* internal buffers which may */ 598 /* cause some delays and */ 599 /* decrease precision of timing */ 600 # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 601 /* Sometimes it's a DSP */ 602 /* but usually not */ 603 # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 604 # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 605 # define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 606 # define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 607 608 609 #define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 610 #define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 611 # define PCM_ENABLE_INPUT 0x00000001 612 # define PCM_ENABLE_OUTPUT 0x00000002 613 614 typedef struct count_info { 615 int bytes; /* Total # of bytes processed */ 616 int blocks; /* # of fragment transitions since last time */ 617 int ptr; /* Current DMA pointer value */ 618 } count_info; 619 620 #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 621 #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 622 623 typedef struct buffmem_desc { 624 unsigned *buffer; 625 int size; 626 } buffmem_desc; 627 #define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 628 #define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 629 #define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 630 #define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 631 #define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 632 633 #define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 634 #define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 635 # define DSP_BIND_QUERY 0x00000000 636 # define DSP_BIND_FRONT 0x00000001 637 # define DSP_BIND_SURR 0x00000002 638 # define DSP_BIND_CENTER_LFE 0x00000004 639 # define DSP_BIND_HANDSET 0x00000008 640 # define DSP_BIND_MIC 0x00000010 641 # define DSP_BIND_MODEM1 0x00000020 642 # define DSP_BIND_MODEM2 0x00000040 643 # define DSP_BIND_I2S 0x00000080 644 # define DSP_BIND_SPDIF 0x00000100 645 646 #define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 647 #define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 648 # define SPDIF_PRO 0x0001 649 # define SPDIF_N_AUD 0x0002 650 # define SPDIF_COPY 0x0004 651 # define SPDIF_PRE 0x0008 652 # define SPDIF_CC 0x07f0 653 # define SPDIF_L 0x0800 654 # define SPDIF_DRS 0x4000 655 # define SPDIF_V 0x8000 656 657 /* 658 * Application's profile defines the way how playback underrun situations should be handled. 659 * 660 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 661 * playback buffer whenever an underrun occurs. This consumes some time 662 * prevents looping the existing buffer. 663 * APF_CPUINTENS is intended to be set by CPU intensive applications which 664 * are likely to run out of time occasionally. In this mode the buffer cleanup is 665 * disabled which saves CPU time but also let's the previous buffer content to 666 * be played during the "pause" after the underrun. 667 */ 668 #define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 669 #define APF_NORMAL 0 /* Normal applications */ 670 #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 671 #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 672 673 #define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 674 #define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 675 #define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 676 #define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 677 678 /* Some alias names */ 679 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 680 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 681 #define SOUND_PCM_POST SNDCTL_DSP_POST 682 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 683 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 684 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 685 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 686 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 687 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 688 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 689 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 690 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 691 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 692 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 693 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 694 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 695 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 696 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 697 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 698 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 699 700 /* 701 * ioctl calls to be used in communication with coprocessors and 702 * DSP chips. 703 */ 704 705 typedef struct copr_buffer { 706 int command; /* Set to 0 if not used */ 707 int flags; 708 #define CPF_NONE 0x0000 709 #define CPF_FIRST 0x0001 /* First block */ 710 #define CPF_LAST 0x0002 /* Last block */ 711 int len; 712 int offs; /* If required by the device (0 if not used) */ 713 714 unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 715 } copr_buffer; 716 717 typedef struct copr_debug_buf { 718 int command; /* Used internally. Set to 0 */ 719 int parm1; 720 int parm2; 721 int flags; 722 int len; /* Length of data in bytes */ 723 } copr_debug_buf; 724 725 typedef struct copr_msg { 726 int len; 727 unsigned char data[4000]; 728 } copr_msg; 729 730 #define SNDCTL_COPR_RESET _SIO ('C', 0) 731 #define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 732 #define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 733 #define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 734 #define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 735 #define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 736 #define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 737 #define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 738 #define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 739 #define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 740 741 /********************************************* 742 * IOCTL commands for /dev/mixer 743 */ 744 745 /* 746 * Mixer devices 747 * 748 * There can be up to 20 different analog mixer channels. The 749 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 750 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 751 * the devices supported by the particular mixer. 752 */ 753 754 #define SOUND_MIXER_NRDEVICES 25 755 #define SOUND_MIXER_VOLUME 0 756 #define SOUND_MIXER_BASS 1 757 #define SOUND_MIXER_TREBLE 2 758 #define SOUND_MIXER_SYNTH 3 759 #define SOUND_MIXER_PCM 4 760 #define SOUND_MIXER_SPEAKER 5 761 #define SOUND_MIXER_LINE 6 762 #define SOUND_MIXER_MIC 7 763 #define SOUND_MIXER_CD 8 764 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 765 #define SOUND_MIXER_ALTPCM 10 766 #define SOUND_MIXER_RECLEV 11 /* Recording level */ 767 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 768 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 769 /* 770 * The AD1848 codec and compatibles have three line level inputs 771 * (line, aux1 and aux2). Since each card manufacturer have assigned 772 * different meanings to these inputs, it's inpractical to assign 773 * specific meanings (line, cd, synth etc.) to them. 774 */ 775 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 776 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 777 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 778 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 779 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 780 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 781 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 782 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 783 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 784 #define SOUND_MIXER_RADIO 23 /* Radio in */ 785 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 786 787 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 788 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 789 #define SOUND_ONOFF_MIN 28 790 #define SOUND_ONOFF_MAX 30 791 792 /* Note! Number 31 cannot be used since the sign bit is reserved */ 793 #define SOUND_MIXER_NONE 31 794 795 /* 796 * The following unsupported macros are no longer functional. 797 * Use SOUND_MIXER_PRIVATE# macros in future. 798 */ 799 #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 800 #define SOUND_MIXER_MUTE SOUND_MIXER_NONE 801 #define SOUND_MIXER_LOUD SOUND_MIXER_NONE 802 803 804 #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 805 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 806 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 807 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 808 809 #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 810 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 811 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 812 "phin", "phout", "video", "radio", "monitor"} 813 814 /* Device bitmask identifiers */ 815 816 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 817 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 818 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 819 #define SOUND_MIXER_CAPS 0xfc 820 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 821 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 822 #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 823 #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 824 825 /* Device mask bits */ 826 827 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 828 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 829 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 830 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 831 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 832 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 833 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 834 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 835 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 836 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 837 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 838 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 839 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 840 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 841 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 842 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 843 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 844 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 845 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 846 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 847 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 848 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 849 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 850 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 851 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 852 853 /* Obsolete macros */ 854 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 855 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 856 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 857 858 #define MIXER_READ(dev) _SIOR('M', dev, int) 859 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 860 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 861 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 862 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 863 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 864 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 865 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 866 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 867 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 868 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 869 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 870 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 871 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 872 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 873 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 874 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 875 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 876 877 /* Obsolete macros */ 878 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 879 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 880 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 881 882 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 883 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 884 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 885 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 886 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 887 888 #define MIXER_WRITE(dev) _SIOWR('M', dev, int) 889 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 890 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 891 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 892 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 893 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 894 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 895 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 896 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 897 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 898 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 899 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 900 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 901 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 902 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 903 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 904 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 905 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 906 907 /* Obsolete macros */ 908 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 909 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 910 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 911 912 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 913 914 typedef struct mixer_info 915 { 916 char id[16]; 917 char name[32]; 918 int modify_counter; 919 int fillers[10]; 920 } mixer_info; 921 922 typedef struct _old_mixer_info /* Obsolete */ 923 { 924 char id[16]; 925 char name[32]; 926 } _old_mixer_info; 927 928 #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 929 #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 930 931 /* 932 * A mechanism for accessing "proprietary" mixer features. This method 933 * permits passing 128 bytes of arbitrary data between a mixer application 934 * and the mixer driver. Interpretation of the record is defined by 935 * the particular mixer driver. 936 */ 937 typedef unsigned char mixer_record[128]; 938 939 #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 940 941 /* 942 * Two ioctls for special souncard function 943 */ 944 #define SOUND_MIXER_AGC _SIOWR('M', 103, int) 945 #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 946 947 /* 948 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 949 * These features can be used when accessing device specific features. 950 */ 951 #define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 952 #define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 953 #define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 954 #define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 955 #define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 956 957 /* 958 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 959 * for querying current mixer settings from the driver and for loading 960 * default volume settings _prior_ activating the mixer (loading 961 * doesn't affect current state of the mixer hardware). These calls 962 * are for internal use only. 963 */ 964 965 typedef struct mixer_vol_table { 966 int num; /* Index to volume table */ 967 char name[32]; 968 int levels[32]; 969 } mixer_vol_table; 970 971 #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 972 #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 973 974 /* 975 * An ioctl for identifying the driver version. It will return value 976 * of the SOUND_VERSION macro used when compiling the driver. 977 * This call was introduced in OSS version 3.6 and it will not work 978 * with earlier versions (returns EINVAL). 979 */ 980 #define OSS_GETVERSION _SIOR ('M', 118, int) 981 982 /* 983 * Level 2 event types for /dev/sequencer 984 */ 985 986 /* 987 * The 4 most significant bits of byte 0 specify the class of 988 * the event: 989 * 990 * 0x8X = system level events, 991 * 0x9X = device/port specific events, event[1] = device/port, 992 * The last 4 bits give the subtype: 993 * 0x02 = Channel event (event[3] = chn). 994 * 0x01 = note event (event[4] = note). 995 * (0x01 is not used alone but always with bit 0x02). 996 * event[2] = MIDI message code (0x80=note off etc.) 997 * 998 */ 999 1000 #define EV_SEQ_LOCAL 0x80 1001 #define EV_TIMING 0x81 1002 #define EV_CHN_COMMON 0x92 1003 #define EV_CHN_VOICE 0x93 1004 #define EV_SYSEX 0x94 1005 /* 1006 * Event types 200 to 220 are reserved for application use. 1007 * These numbers will not be used by the driver. 1008 */ 1009 1010 /* 1011 * Events for event type EV_CHN_VOICE 1012 */ 1013 1014 #define MIDI_NOTEOFF 0x80 1015 #define MIDI_NOTEON 0x90 1016 #define MIDI_KEY_PRESSURE 0xA0 1017 1018 /* 1019 * Events for event type EV_CHN_COMMON 1020 */ 1021 1022 #define MIDI_CTL_CHANGE 0xB0 1023 #define MIDI_PGM_CHANGE 0xC0 1024 #define MIDI_CHN_PRESSURE 0xD0 1025 #define MIDI_PITCH_BEND 0xE0 1026 1027 #define MIDI_SYSTEM_PREFIX 0xF0 1028 1029 /* 1030 * Timer event types 1031 */ 1032 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1033 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1034 #define TMR_STOP 3 1035 #define TMR_START 4 1036 #define TMR_CONTINUE 5 1037 #define TMR_TEMPO 6 1038 #define TMR_ECHO 8 1039 #define TMR_CLOCK 9 /* MIDI clock */ 1040 #define TMR_SPP 10 /* Song position pointer */ 1041 #define TMR_TIMESIG 11 /* Time signature */ 1042 1043 /* 1044 * Local event types 1045 */ 1046 #define LOCL_STARTAUDIO 1 1047 1048 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 1049 /* 1050 * Some convenience macros to simplify programming of the 1051 * /dev/sequencer interface 1052 * 1053 * These macros define the API which should be used when possible. 1054 */ 1055 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1056 1057 void seqbuf_dump(void); /* This function must be provided by programs */ 1058 1059 extern int OSS_init(int seqfd, int buflen); 1060 extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen); 1061 extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen); 1062 extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen); 1063 extern void OSS_patch_caching(int dev, int chn, int patch, 1064 int fd, unsigned char *buf, int buflen); 1065 extern void OSS_drum_caching(int dev, int chn, int patch, 1066 int fd, unsigned char *buf, int buflen); 1067 extern void OSS_write_patch(int fd, unsigned char *buf, int len); 1068 extern int OSS_write_patch2(int fd, unsigned char *buf, int len); 1069 1070 #define SEQ_PM_DEFINES int __foo_bar___ 1071 #ifdef OSSLIB 1072 # define SEQ_USE_EXTBUF() \ 1073 extern unsigned char *_seqbuf; \ 1074 extern int _seqbuflen;extern int _seqbufptr 1075 # define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len 1076 # define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen) 1077 # define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen) 1078 # define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen) 1079 1080 # define SEQ_LOAD_GMINSTR(dev, instr) \ 1081 OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen) 1082 # define SEQ_LOAD_GMDRUM(dev, drum) \ 1083 OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen) 1084 #else /* !OSSLIB */ 1085 1086 # define SEQ_LOAD_GMINSTR(dev, instr) 1087 # define SEQ_LOAD_GMDRUM(dev, drum) 1088 1089 # define SEQ_USE_EXTBUF() \ 1090 extern unsigned char _seqbuf[]; \ 1091 extern int _seqbuflen;extern int _seqbufptr 1092 1093 #ifndef USE_SIMPLE_MACROS 1094 /* Sample seqbuf_dump() implementation: 1095 * 1096 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1097 * 1098 * int seqfd; -- The file descriptor for /dev/sequencer. 1099 * 1100 * void 1101 * seqbuf_dump () 1102 * { 1103 * if (_seqbufptr) 1104 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1105 * { 1106 * perror ("write /dev/sequencer"); 1107 * exit (-1); 1108 * } 1109 * _seqbufptr = 0; 1110 * } 1111 */ 1112 1113 #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1114 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1115 #define _SEQ_ADVBUF(len) _seqbufptr += len 1116 #define SEQ_DUMPBUF seqbuf_dump 1117 #else 1118 /* 1119 * This variation of the sequencer macros is used just to format one event 1120 * using fixed buffer. 1121 * 1122 * The program using the macro library must define the following macros before 1123 * using this library. 1124 * 1125 * #define _seqbuf name of the buffer (unsigned char[]) 1126 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1127 * size of the event, this macro can be used. 1128 * Otherwise this must be defined as empty. 1129 * #define _seqbufptr Define the name of index variable or 0 if 1130 * not required. 1131 */ 1132 #define _SEQ_NEEDBUF(len) /* empty */ 1133 #endif 1134 #endif /* !OSSLIB */ 1135 1136 #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1137 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1138 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1139 _seqbuf[_seqbufptr+2] = (dev);\ 1140 _seqbuf[_seqbufptr+3] = (mode);\ 1141 _seqbuf[_seqbufptr+4] = 0;\ 1142 _seqbuf[_seqbufptr+5] = 0;\ 1143 _seqbuf[_seqbufptr+6] = 0;\ 1144 _seqbuf[_seqbufptr+7] = 0;\ 1145 _SEQ_ADVBUF(8);} 1146 1147 /* 1148 * Midi voice messages 1149 */ 1150 1151 #define _CHN_VOICE(dev, event, chn, note, parm) \ 1152 {_SEQ_NEEDBUF(8);\ 1153 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1154 _seqbuf[_seqbufptr+1] = (dev);\ 1155 _seqbuf[_seqbufptr+2] = (event);\ 1156 _seqbuf[_seqbufptr+3] = (chn);\ 1157 _seqbuf[_seqbufptr+4] = (note);\ 1158 _seqbuf[_seqbufptr+5] = (parm);\ 1159 _seqbuf[_seqbufptr+6] = (0);\ 1160 _seqbuf[_seqbufptr+7] = 0;\ 1161 _SEQ_ADVBUF(8);} 1162 1163 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1164 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1165 1166 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1167 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1168 1169 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1170 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1171 1172 /* 1173 * Midi channel messages 1174 */ 1175 1176 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1177 {_SEQ_NEEDBUF(8);\ 1178 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1179 _seqbuf[_seqbufptr+1] = (dev);\ 1180 _seqbuf[_seqbufptr+2] = (event);\ 1181 _seqbuf[_seqbufptr+3] = (chn);\ 1182 _seqbuf[_seqbufptr+4] = (p1);\ 1183 _seqbuf[_seqbufptr+5] = (p2);\ 1184 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1185 _SEQ_ADVBUF(8);} 1186 /* 1187 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1188 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1189 * so _will_ cause problems with MPU401 intelligent mode). 1190 * 1191 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1192 * sent by calling SEQ_SYSEX() several times (there must be no other events 1193 * between them). First sysex fragment must have 0xf0 in the first byte 1194 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1195 * between these sysex start and end markers cannot be larger than 0x7f. Also 1196 * lengths of each fragments (except the last one) must be 6. 1197 * 1198 * Breaking the above rules may work with some MIDI ports but is likely to 1199 * cause fatal problems with some other devices (such as MPU401). 1200 */ 1201 #define SEQ_SYSEX(dev, buf, len) \ 1202 {int ii, ll=(len); \ 1203 unsigned char *bufp=buf;\ 1204 if (ll>6)ll=6;\ 1205 _SEQ_NEEDBUF(8);\ 1206 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1207 _seqbuf[_seqbufptr+1] = (dev);\ 1208 for(ii=0;ii<ll;ii++)\ 1209 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1210 for(ii=ll;ii<6;ii++)\ 1211 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1212 _SEQ_ADVBUF(8);} 1213 1214 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1215 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1216 1217 #define SEQ_SET_PATCH SEQ_PGM_CHANGE 1218 #ifdef OSSLIB 1219 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 1220 {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \ 1221 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);} 1222 #else 1223 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 1224 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1225 #endif 1226 1227 #define SEQ_CONTROL(dev, chn, controller, value) \ 1228 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1229 1230 #define SEQ_BENDER(dev, chn, value) \ 1231 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1232 1233 1234 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1235 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1236 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1237 _seqbuf[_seqbufptr+2] = (dev);\ 1238 _seqbuf[_seqbufptr+3] = (voice);\ 1239 _seqbuf[_seqbufptr+4] = (controller);\ 1240 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1241 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1242 _seqbuf[_seqbufptr+7] = 0;\ 1243 _SEQ_ADVBUF(8);} 1244 /* 1245 * The following 5 macros are incorrectly implemented and obsolete. 1246 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1247 */ 1248 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1249 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1250 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1251 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1252 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1253 1254 /* 1255 * Timing and syncronization macros 1256 */ 1257 1258 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1259 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1260 _seqbuf[_seqbufptr+1] = (ev); \ 1261 _seqbuf[_seqbufptr+2] = 0;\ 1262 _seqbuf[_seqbufptr+3] = 0;\ 1263 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1264 _SEQ_ADVBUF(8);} 1265 1266 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1267 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1268 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1269 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1270 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1271 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1272 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1273 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1274 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1275 1276 /* 1277 * Local control events 1278 */ 1279 1280 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1281 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1282 _seqbuf[_seqbufptr+1] = (ev); \ 1283 _seqbuf[_seqbufptr+2] = 0;\ 1284 _seqbuf[_seqbufptr+3] = 0;\ 1285 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1286 _SEQ_ADVBUF(8);} 1287 1288 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1289 /* 1290 * Events for the level 1 interface only 1291 */ 1292 1293 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1294 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1295 _seqbuf[_seqbufptr+1] = (byte);\ 1296 _seqbuf[_seqbufptr+2] = (device);\ 1297 _seqbuf[_seqbufptr+3] = 0;\ 1298 _SEQ_ADVBUF(4);} 1299 1300 /* 1301 * Patch loading. 1302 */ 1303 #ifdef OSSLIB 1304 # define SEQ_WRPATCH(patchx, len) \ 1305 OSS_write_patch(seqfd, (char*)(patchx), len) 1306 # define SEQ_WRPATCH2(patchx, len) \ 1307 OSS_write_patch2(seqfd, (char*)(patchx), len) 1308 #else 1309 # define SEQ_WRPATCH(patchx, len) \ 1310 {if (_seqbufptr) SEQ_DUMPBUF();\ 1311 if (write(seqfd, (char*)(patchx), len)==-1) \ 1312 perror("Write patch: /dev/sequencer");} 1313 # define SEQ_WRPATCH2(patchx, len) \ 1314 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1315 #endif 1316 1317 #endif 1318 #endif 1319
