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 /* 43 * Supported card ID numbers (Should be somewhere else?) 44 */ 45 46 #define SNDCARD_ADLIB 1 47 #define SNDCARD_SB 2 48 #define SNDCARD_PAS 3 49 #define SNDCARD_GUS 4 50 #define SNDCARD_MPU401 5 51 #define SNDCARD_SB16 6 52 #define SNDCARD_SB16MIDI 7 53 #define SNDCARD_UART6850 8 54 #define SNDCARD_GUS16 9 55 #define SNDCARD_MSS 10 56 #define SNDCARD_PSS 11 57 #define SNDCARD_SSCAPE 12 58 #define SNDCARD_PSS_MPU 13 59 #define SNDCARD_PSS_MSS 14 60 #define SNDCARD_SSCAPE_MSS 15 61 #define SNDCARD_TRXPRO 16 62 #define SNDCARD_TRXPRO_SB 17 63 #define SNDCARD_TRXPRO_MPU 18 64 #define SNDCARD_MAD16 19 65 #define SNDCARD_MAD16_MPU 20 66 #define SNDCARD_CS4232 21 67 #define SNDCARD_CS4232_MPU 22 68 #define SNDCARD_MAUI 23 69 #define SNDCARD_PSEUDO_MSS 24 70 #define SNDCARD_GUSPNP 25 71 #define SNDCARD_UART401 26 72 /* Sound card numbers 27 to N are reserved. Don't add more numbers here. */ 73 74 /*********************************** 75 * IOCTL Commands for /dev/sequencer 76 */ 77 78 #ifndef _SIOWR 79 #if defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__sparc__) && !defined(__INCioctlh) && !defined(__Lynx__))) 80 /* Use already defined ioctl defines if they exist (except with Sun or Sparc) */ 81 #define SIOCPARM_MASK IOCPARM_MASK 82 #define SIOC_VOID IOC_VOID 83 #define SIOC_OUT IOC_OUT 84 #define SIOC_IN IOC_IN 85 #define SIOC_INOUT IOC_INOUT 86 #define _SIOC_SIZE _IOC_SIZE 87 #define _SIOC_DIR _IOC_DIR 88 #define _SIOC_NONE _IOC_NONE 89 #define _SIOC_READ _IOC_READ 90 #define _SIOC_WRITE _IOC_WRITE 91 #define _SIO _IO 92 #define _SIOR _IOR 93 #define _SIOW _IOW 94 #define _SIOWR _IOWR 95 #else 96 97 /* Ioctl's have the command encoded in the lower word, 98 * and the size of any in or out parameters in the upper 99 * word. The high 2 bits of the upper word are used 100 * to encode the in/out status of the parameter; for now 101 * we restrict parameters to at most 8191 bytes. 102 */ 103 /* #define SIOCTYPE (0xff<<8) */ 104 #define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 105 #define SIOC_VOID 0x00000000 /* no parameters */ 106 #define SIOC_OUT 0x20000000 /* copy out parameters */ 107 #define SIOC_IN 0x40000000 /* copy in parameters */ 108 #define SIOC_INOUT (SIOC_IN|SIOC_OUT) 109 /* the 0x20000000 is so we can distinguish new ioctl's from old */ 110 #define _SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 111 #define _SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 112 #define _SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 113 /* this should be _SIORW, but stdio got there first */ 114 #define _SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 115 #define _SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 116 #define _SIOC_DIR(x) (x & 0xf0000000) 117 #define _SIOC_NONE SIOC_VOID 118 #define _SIOC_READ SIOC_OUT 119 #define _SIOC_WRITE SIOC_IN 120 # endif /* _IOWR */ 121 #endif /* !_SIOWR */ 122 123 #define SNDCTL_SEQ_RESET _SIO ('Q', 0) 124 #define SNDCTL_SEQ_SYNC _SIO ('Q', 1) 125 #define SNDCTL_SYNTH_INFO _SIOWR('Q', 2, struct synth_info) 126 #define SNDCTL_SEQ_CTRLRATE _SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 127 #define SNDCTL_SEQ_GETOUTCOUNT _SIOR ('Q', 4, int) 128 #define SNDCTL_SEQ_GETINCOUNT _SIOR ('Q', 5, int) 129 #define SNDCTL_SEQ_PERCMODE _SIOW ('Q', 6, int) 130 #define SNDCTL_FM_LOAD_INSTR _SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 131 #define SNDCTL_SEQ_TESTMIDI _SIOW ('Q', 8, int) 132 #define SNDCTL_SEQ_RESETSAMPLES _SIOW ('Q', 9, int) 133 #define SNDCTL_SEQ_NRSYNTHS _SIOR ('Q',10, int) 134 #define SNDCTL_SEQ_NRMIDIS _SIOR ('Q',11, int) 135 #define SNDCTL_MIDI_INFO _SIOWR('Q',12, struct midi_info) 136 #define SNDCTL_SEQ_THRESHOLD _SIOW ('Q',13, int) 137 #define SNDCTL_SYNTH_MEMAVL _SIOWR('Q',14, int) /* in=dev#, out=memsize */ 138 #define SNDCTL_FM_4OP_ENABLE _SIOW ('Q',15, int) /* in=dev# */ 139 #define SNDCTL_SEQ_PANIC _SIO ('Q',17) 140 #define SNDCTL_SEQ_OUTOFBAND _SIOW ('Q',18, struct seq_event_rec) 141 #define SNDCTL_SEQ_GETTIME _SIOR ('Q',19, int) 142 #define SNDCTL_SYNTH_ID _SIOWR('Q',20, struct synth_info) 143 #define SNDCTL_SYNTH_CONTROL _SIOWR('Q',21, struct synth_control) 144 #define SNDCTL_SYNTH_REMOVESAMPLE _SIOWR('Q',22, struct remove_sample) 145 146 typedef struct synth_control 147 { 148 int devno; /* Synthesizer # */ 149 char data[4000]; /* Device spesific command/data record */ 150 }synth_control; 151 152 typedef struct remove_sample 153 { 154 int devno; /* Synthesizer # */ 155 int bankno; /* MIDI bank # (0=General MIDI) */ 156 int instrno; /* MIDI instrument number */ 157 } remove_sample; 158 159 typedef struct seq_event_rec { 160 unsigned char arr[8]; 161 } seq_event_rec; 162 163 #define SNDCTL_TMR_TIMEBASE _SIOWR('T', 1, int) 164 #define SNDCTL_TMR_START _SIO ('T', 2) 165 #define SNDCTL_TMR_STOP _SIO ('T', 3) 166 #define SNDCTL_TMR_CONTINUE _SIO ('T', 4) 167 #define SNDCTL_TMR_TEMPO _SIOWR('T', 5, int) 168 #define SNDCTL_TMR_SOURCE _SIOWR('T', 6, int) 169 # define TMR_INTERNAL 0x00000001 170 # define TMR_EXTERNAL 0x00000002 171 # define TMR_MODE_MIDI 0x00000010 172 # define TMR_MODE_FSK 0x00000020 173 # define TMR_MODE_CLS 0x00000040 174 # define TMR_MODE_SMPTE 0x00000080 175 #define SNDCTL_TMR_METRONOME _SIOW ('T', 7, int) 176 #define SNDCTL_TMR_SELECT _SIOW ('T', 8, int) 177 178 /* 179 * Some big endian/little endian handling macros 180 */ 181 182 #if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__sparc__) || defined(HPPA) || defined(PPC) || defined(__mc68000__) 183 /* Big endian machines */ 184 # define _PATCHKEY(id) (0xfd00|id) 185 # define AFMT_S16_NE AFMT_S16_BE 186 #else 187 # define _PATCHKEY(id) ((id<<8)|0xfd) 188 # define AFMT_S16_NE AFMT_S16_LE 189 #endif 190 191 /* 192 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 193 * The following patch_info structure has been designed to support 194 * Gravis UltraSound. It tries to be universal format for uploading 195 * sample based patches but is probably too limited. 196 * 197 * (PBD) As Hannu guessed, the GUS structure is too limited for 198 * the WaveFront, but this is the right place for a constant definition. 199 */ 200 201 struct patch_info { 202 unsigned short key; /* Use WAVE_PATCH here */ 203 #define WAVE_PATCH _PATCHKEY(0x04) 204 #define GUS_PATCH WAVE_PATCH 205 #define WAVEFRONT_PATCH _PATCHKEY(0x06) 206 207 short device_no; /* Synthesizer number */ 208 short instr_no; /* Midi pgm# */ 209 210 unsigned int mode; 211 /* 212 * The least significant byte has the same format than the GUS .PAT 213 * files 214 */ 215 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 216 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 217 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 218 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 219 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 220 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 221 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 222 #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 223 /* (use the env_rate/env_offs fields). */ 224 /* Linux specific bits */ 225 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 226 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 227 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 228 #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 229 /* Reserved bits */ 230 #define WAVE_ROM 0x40000000 /* For future use */ 231 #define WAVE_MULAW 0x20000000 /* For future use */ 232 /* Other bits must be zeroed */ 233 234 int len; /* Size of the wave data in bytes */ 235 int loop_start, loop_end; /* Byte offsets from the beginning */ 236 237 /* 238 * The base_freq and base_note fields are used when computing the 239 * playback speed for a note. The base_note defines the tone frequency 240 * which is heard if the sample is played using the base_freq as the 241 * playback speed. 242 * 243 * The low_note and high_note fields define the minimum and maximum note 244 * frequencies for which this sample is valid. It is possible to define 245 * more than one samples for an instrument number at the same time. The 246 * low_note and high_note fields are used to select the most suitable one. 247 * 248 * The fields base_note, high_note and low_note should contain 249 * the note frequency multiplied by 1000. For example value for the 250 * middle A is 440*1000. 251 */ 252 253 unsigned int base_freq; 254 unsigned int base_note; 255 unsigned int high_note; 256 unsigned int low_note; 257 int panning; /* -128=left, 127=right */ 258 int detuning; 259 260 /* New fields introduced in version 1.99.5 */ 261 262 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 263 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 264 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 265 266 /* 267 * The tremolo, vibrato and scale info are not supported yet. 268 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 269 * WAVE_SCALE 270 */ 271 272 unsigned char tremolo_sweep; 273 unsigned char tremolo_rate; 274 unsigned char tremolo_depth; 275 276 unsigned char vibrato_sweep; 277 unsigned char vibrato_rate; 278 unsigned char vibrato_depth; 279 280 int scale_frequency; 281 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 282 283 int volume; 284 int fractions; 285 int reserved1; 286 int spare[2]; 287 char data[1]; /* The waveform data starts here */ 288 }; 289 290 struct sysex_info { 291 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 292 #define SYSEX_PATCH _PATCHKEY(0x05) 293 #define MAUI_PATCH _PATCHKEY(0x06) 294 short device_no; /* Synthesizer number */ 295 int len; /* Size of the sysex data in bytes */ 296 unsigned char data[1]; /* Sysex data starts here */ 297 }; 298 299 /* 300 * /dev/sequencer input events. 301 * 302 * The data written to the /dev/sequencer is a stream of events. Events 303 * are records of 4 or 8 bytes. The first byte defines the size. 304 * Any number of events can be written with a write call. There 305 * is a set of macros for sending these events. Use these macros if you 306 * want to maximize portability of your program. 307 * 308 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 309 * (All input events are currently 4 bytes long. Be prepared to support 310 * 8 byte events also. If you receive any event having first byte >= 128, 311 * it's a 8 byte event. 312 * 313 * The events are documented at the end of this file. 314 * 315 * Normal events (4 bytes) 316 * There is also a 8 byte version of most of the 4 byte events. The 317 * 8 byte one is recommended. 318 */ 319 #define SEQ_NOTEOFF 0 320 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 321 #define SEQ_NOTEON 1 322 #define SEQ_FMNOTEON SEQ_NOTEON 323 #define SEQ_WAIT TMR_WAIT_ABS 324 #define SEQ_PGMCHANGE 3 325 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 326 #define SEQ_SYNCTIMER TMR_START 327 #define SEQ_MIDIPUTC 5 328 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 329 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 330 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 331 #define SEQ_AFTERTOUCH 9 332 #define SEQ_CONTROLLER 10 333 334 /******************************************* 335 * Midi controller numbers 336 ******************************************* 337 * Controllers 0 to 31 (0x00 to 0x1f) and 338 * 32 to 63 (0x20 to 0x3f) are continuous 339 * controllers. 340 * In the MIDI 1.0 these controllers are sent using 341 * two messages. Controller numbers 0 to 31 are used 342 * to send the MSB and the controller numbers 32 to 63 343 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 344 */ 345 346 #define CTL_BANK_SELECT 0x00 347 #define CTL_MODWHEEL 0x01 348 #define CTL_BREATH 0x02 349 /* undefined 0x03 */ 350 #define CTL_FOOT 0x04 351 #define CTL_PORTAMENTO_TIME 0x05 352 #define CTL_DATA_ENTRY 0x06 353 #define CTL_MAIN_VOLUME 0x07 354 #define CTL_BALANCE 0x08 355 /* undefined 0x09 */ 356 #define CTL_PAN 0x0a 357 #define CTL_EXPRESSION 0x0b 358 /* undefined 0x0c */ 359 /* undefined 0x0d */ 360 /* undefined 0x0e */ 361 /* undefined 0x0f */ 362 #define CTL_GENERAL_PURPOSE1 0x10 363 #define CTL_GENERAL_PURPOSE2 0x11 364 #define CTL_GENERAL_PURPOSE3 0x12 365 #define CTL_GENERAL_PURPOSE4 0x13 366 /* undefined 0x14 - 0x1f */ 367 368 /* undefined 0x20 */ 369 /* The controller numbers 0x21 to 0x3f are reserved for the */ 370 /* least significant bytes of the controllers 0x00 to 0x1f. */ 371 /* These controllers are not recognised by the driver. */ 372 373 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 374 /* 0=OFF and 127=ON (intermediate values are possible) */ 375 #define CTL_DAMPER_PEDAL 0x40 376 #define CTL_SUSTAIN 0x40 /* Alias */ 377 #define CTL_HOLD 0x40 /* Alias */ 378 #define CTL_PORTAMENTO 0x41 379 #define CTL_SOSTENUTO 0x42 380 #define CTL_SOFT_PEDAL 0x43 381 /* undefined 0x44 */ 382 #define CTL_HOLD2 0x45 383 /* undefined 0x46 - 0x4f */ 384 385 #define CTL_GENERAL_PURPOSE5 0x50 386 #define CTL_GENERAL_PURPOSE6 0x51 387 #define CTL_GENERAL_PURPOSE7 0x52 388 #define CTL_GENERAL_PURPOSE8 0x53 389 /* undefined 0x54 - 0x5a */ 390 #define CTL_EXT_EFF_DEPTH 0x5b 391 #define CTL_TREMOLO_DEPTH 0x5c 392 #define CTL_CHORUS_DEPTH 0x5d 393 #define CTL_DETUNE_DEPTH 0x5e 394 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 395 #define CTL_PHASER_DEPTH 0x5f 396 #define CTL_DATA_INCREMENT 0x60 397 #define CTL_DATA_DECREMENT 0x61 398 #define CTL_NONREG_PARM_NUM_LSB 0x62 399 #define CTL_NONREG_PARM_NUM_MSB 0x63 400 #define CTL_REGIST_PARM_NUM_LSB 0x64 401 #define CTL_REGIST_PARM_NUM_MSB 0x65 402 /* undefined 0x66 - 0x78 */ 403 /* reserved 0x79 - 0x7f */ 404 405 /* Pseudo controllers (not midi compatible) */ 406 #define CTRL_PITCH_BENDER 255 407 #define CTRL_PITCH_BENDER_RANGE 254 408 #define CTRL_EXPRESSION 253 /* Obsolete */ 409 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 410 #define SEQ_BALANCE 11 411 #define SEQ_VOLMODE 12 412 413 /* 414 * Volume mode decides how volumes are used 415 */ 416 417 #define VOL_METHOD_ADAGIO 1 418 #define VOL_METHOD_LINEAR 2 419 420 /* 421 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 422 * input events. 423 */ 424 425 /* 426 * Event codes 0xf0 to 0xfc are reserved for future extensions. 427 */ 428 429 #define SEQ_FULLSIZE 0xfd /* Long events */ 430 /* 431 * SEQ_FULLSIZE events are used for loading patches/samples to the 432 * synthesizer devices. These events are passed directly to the driver 433 * of the associated synthesizer device. There is no limit to the size 434 * of the extended events. These events are not queued but executed 435 * immediately when the write() is called (execution can take several 436 * seconds of time). 437 * 438 * When a SEQ_FULLSIZE message is written to the device, it must 439 * be written using exactly one write() call. Other events cannot 440 * be mixed to the same write. 441 * 442 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 443 * /dev/sequencer. Don't write other data together with the instrument structure 444 * Set the key field of the structure to FM_PATCH. The device field is used to 445 * route the patch to the corresponding device. 446 * 447 * For wave table use struct patch_info. Initialize the key field 448 * to WAVE_PATCH. 449 */ 450 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 451 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 452 453 /* 454 * Record for FM patches 455 */ 456 457 typedef unsigned char sbi_instr_data[32]; 458 459 struct sbi_instrument { 460 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 461 #define FM_PATCH _PATCHKEY(0x01) 462 #define OPL3_PATCH _PATCHKEY(0x03) 463 short device; /* Synth# (0-4) */ 464 int channel; /* Program# to be initialized */ 465 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 466 }; 467 468 struct synth_info { /* Read only */ 469 char name[30]; 470 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 471 int synth_type; 472 #define SYNTH_TYPE_FM 0 473 #define SYNTH_TYPE_SAMPLE 1 474 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 475 476 int synth_subtype; 477 #define FM_TYPE_ADLIB 0x00 478 #define FM_TYPE_OPL3 0x01 479 #define MIDI_TYPE_MPU401 0x401 480 481 #define SAMPLE_TYPE_BASIC 0x10 482 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 483 #define SAMPLE_TYPE_WAVEFRONT 0x11 484 485 int perc_mode; /* No longer supported */ 486 int nr_voices; 487 int nr_drums; /* Obsolete field */ 488 int instr_bank_size; 489 unsigned int capabilities; 490 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 491 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 492 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 493 int dummies[19]; /* Reserve space */ 494 }; 495 496 struct sound_timer_info { 497 char name[32]; 498 int caps; 499 }; 500 501 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 502 503 struct midi_info { 504 char name[30]; 505 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 506 unsigned int capabilities; /* To be defined later */ 507 int dev_type; 508 int dummies[18]; /* Reserve space */ 509 }; 510 511 /******************************************** 512 * ioctl commands for the /dev/midi## 513 */ 514 typedef struct { 515 unsigned char cmd; 516 char nr_args, nr_returns; 517 unsigned char data[30]; 518 } mpu_command_rec; 519 520 #define SNDCTL_MIDI_PRETIME _SIOWR('m', 0, int) 521 #define SNDCTL_MIDI_MPUMODE _SIOWR('m', 1, int) 522 #define SNDCTL_MIDI_MPUCMD _SIOWR('m', 2, mpu_command_rec) 523 524 /******************************************** 525 * IOCTL commands for /dev/dsp and /dev/audio 526 */ 527 528 #define SNDCTL_DSP_RESET _SIO ('P', 0) 529 #define SNDCTL_DSP_SYNC _SIO ('P', 1) 530 #define SNDCTL_DSP_SPEED _SIOWR('P', 2, int) 531 #define SNDCTL_DSP_STEREO _SIOWR('P', 3, int) 532 #define SNDCTL_DSP_GETBLKSIZE _SIOWR('P', 4, int) 533 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 534 #define SNDCTL_DSP_CHANNELS _SIOWR('P', 6, int) 535 #define SOUND_PCM_WRITE_CHANNELS SNDCTL_DSP_CHANNELS 536 #define SOUND_PCM_WRITE_FILTER _SIOWR('P', 7, int) 537 #define SNDCTL_DSP_POST _SIO ('P', 8) 538 #define SNDCTL_DSP_SUBDIVIDE _SIOWR('P', 9, int) 539 #define SNDCTL_DSP_SETFRAGMENT _SIOWR('P',10, int) 540 541 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 542 #define SNDCTL_DSP_GETFMTS _SIOR ('P',11, int) /* Returns a mask */ 543 #define SNDCTL_DSP_SETFMT _SIOWR('P',5, int) /* Selects ONE fmt*/ 544 # define AFMT_QUERY 0x00000000 /* Return current fmt */ 545 # define AFMT_MU_LAW 0x00000001 546 # define AFMT_A_LAW 0x00000002 547 # define AFMT_IMA_ADPCM 0x00000004 548 # define AFMT_U8 0x00000008 549 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 550 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 551 # define AFMT_S8 0x00000040 552 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 553 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 554 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 555 # define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 556 557 /* because they *do* exist and we want to use them --Monty */ 558 # define AFMT_S24_LE 0x00000800 559 # define AFMT_S24_BE 0x00001000 560 # define AFMT_U24_LE 0x00002000 561 # define AFMT_U24_BE 0x00004000 562 # define AFMT_S32_LE 0x00008000 563 # define AFMT_S32_BE 0x00010000 564 # define AFMT_U32_LE 0x00020000 565 # define AFMT_U32_BE 0x00040000 566 567 /* 568 * Buffer status queries. 569 */ 570 typedef struct audio_buf_info { 571 int fragments; /* # of available fragments (partially usend ones not counted) */ 572 int fragstotal; /* Total # of fragments allocated */ 573 int fragsize; /* Size of a fragment in bytes */ 574 575 int bytes; /* Available space in bytes (includes partially used fragments) */ 576 /* Note! 'bytes' could be more than fragments*fragsize */ 577 } audio_buf_info; 578 579 #define SNDCTL_DSP_GETOSPACE _SIOR ('P',12, audio_buf_info) 580 #define SNDCTL_DSP_GETISPACE _SIOR ('P',13, audio_buf_info) 581 #define SNDCTL_DSP_NONBLOCK _SIO ('P',14) 582 #define SNDCTL_DSP_GETCAPS _SIOR ('P',15, int) 583 # define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 584 # define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 585 # define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 586 # define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 587 /* internal buffers which may */ 588 /* cause some delays and */ 589 /* decrease precision of timing */ 590 # define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 591 /* Sometimes it's a DSP */ 592 /* but usually not */ 593 # define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 594 # define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 595 # define DSP_CAP_MULTI 0x00004000 /* support multiple open */ 596 # define DSP_CAP_BIND 0x00008000 /* channel binding to front/rear/cneter/lfe */ 597 598 599 #define SNDCTL_DSP_GETTRIGGER _SIOR ('P',16, int) 600 #define SNDCTL_DSP_SETTRIGGER _SIOW ('P',16, int) 601 # define PCM_ENABLE_INPUT 0x00000001 602 # define PCM_ENABLE_OUTPUT 0x00000002 603 604 typedef struct count_info { 605 int bytes; /* Total # of bytes processed */ 606 int blocks; /* # of fragment transitions since last time */ 607 int ptr; /* Current DMA pointer value */ 608 } count_info; 609 610 #define SNDCTL_DSP_GETIPTR _SIOR ('P',17, count_info) 611 #define SNDCTL_DSP_GETOPTR _SIOR ('P',18, count_info) 612 613 typedef struct buffmem_desc { 614 unsigned *buffer; 615 int size; 616 } buffmem_desc; 617 #define SNDCTL_DSP_MAPINBUF _SIOR ('P', 19, buffmem_desc) 618 #define SNDCTL_DSP_MAPOUTBUF _SIOR ('P', 20, buffmem_desc) 619 #define SNDCTL_DSP_SETSYNCRO _SIO ('P', 21) 620 #define SNDCTL_DSP_SETDUPLEX _SIO ('P', 22) 621 #define SNDCTL_DSP_GETODELAY _SIOR ('P', 23, int) 622 623 #define SNDCTL_DSP_GETCHANNELMASK _SIOWR('P', 64, int) 624 #define SNDCTL_DSP_BIND_CHANNEL _SIOWR('P', 65, int) 625 # define DSP_BIND_QUERY 0x00000000 626 # define DSP_BIND_FRONT 0x00000001 627 # define DSP_BIND_SURR 0x00000002 628 # define DSP_BIND_CENTER_LFE 0x00000004 629 # define DSP_BIND_HANDSET 0x00000008 630 # define DSP_BIND_MIC 0x00000010 631 # define DSP_BIND_MODEM1 0x00000020 632 # define DSP_BIND_MODEM2 0x00000040 633 # define DSP_BIND_I2S 0x00000080 634 # define DSP_BIND_SPDIF 0x00000100 635 636 #define SNDCTL_DSP_SETSPDIF _SIOW ('P', 66, int) 637 #define SNDCTL_DSP_GETSPDIF _SIOR ('P', 67, int) 638 # define SPDIF_PRO 0x0001 639 # define SPDIF_N_AUD 0x0002 640 # define SPDIF_COPY 0x0004 641 # define SPDIF_PRE 0x0008 642 # define SPDIF_CC 0x07f0 643 # define SPDIF_L 0x0800 644 # define SPDIF_DRS 0x4000 645 # define SPDIF_V 0x8000 646 647 /* 648 * Application's profile defines the way how playback underrun situations should be handled. 649 * 650 * APF_NORMAL (the default) and APF_NETWORK make the driver to cleanup the 651 * playback buffer whenever an underrun occurs. This consumes some time 652 * prevents looping the existing buffer. 653 * APF_CPUINTENS is intended to be set by CPU intensive applications which 654 * are likely to run out of time occasionally. In this mode the buffer cleanup is 655 * disabled which saves CPU time but also let's the previous buffer content to 656 * be played during the "pause" after the underrun. 657 */ 658 #define SNDCTL_DSP_PROFILE _SIOW ('P', 23, int) 659 #define APF_NORMAL 0 /* Normal applications */ 660 #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 661 #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 662 663 #define SOUND_PCM_READ_RATE _SIOR ('P', 2, int) 664 #define SOUND_PCM_READ_CHANNELS _SIOR ('P', 6, int) 665 #define SOUND_PCM_READ_BITS _SIOR ('P', 5, int) 666 #define SOUND_PCM_READ_FILTER _SIOR ('P', 7, int) 667 668 /* Some alias names */ 669 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 670 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 671 #define SOUND_PCM_POST SNDCTL_DSP_POST 672 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 673 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 674 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 675 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 676 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 677 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 678 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 679 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 680 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 681 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 682 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 683 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 684 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 685 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 686 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 687 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 688 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 689 690 /* 691 * ioctl calls to be used in communication with coprocessors and 692 * DSP chips. 693 */ 694 695 typedef struct copr_buffer { 696 int command; /* Set to 0 if not used */ 697 int flags; 698 #define CPF_NONE 0x0000 699 #define CPF_FIRST 0x0001 /* First block */ 700 #define CPF_LAST 0x0002 /* Last block */ 701 int len; 702 int offs; /* If required by the device (0 if not used) */ 703 704 unsigned char data[4000]; /* NOTE! 4000 is not 4k */ 705 } copr_buffer; 706 707 typedef struct copr_debug_buf { 708 int command; /* Used internally. Set to 0 */ 709 int parm1; 710 int parm2; 711 int flags; 712 int len; /* Length of data in bytes */ 713 } copr_debug_buf; 714 715 typedef struct copr_msg { 716 int len; 717 unsigned char data[4000]; 718 } copr_msg; 719 720 #define SNDCTL_COPR_RESET _SIO ('C', 0) 721 #define SNDCTL_COPR_LOAD _SIOWR('C', 1, copr_buffer) 722 #define SNDCTL_COPR_RDATA _SIOWR('C', 2, copr_debug_buf) 723 #define SNDCTL_COPR_RCODE _SIOWR('C', 3, copr_debug_buf) 724 #define SNDCTL_COPR_WDATA _SIOW ('C', 4, copr_debug_buf) 725 #define SNDCTL_COPR_WCODE _SIOW ('C', 5, copr_debug_buf) 726 #define SNDCTL_COPR_RUN _SIOWR('C', 6, copr_debug_buf) 727 #define SNDCTL_COPR_HALT _SIOWR('C', 7, copr_debug_buf) 728 #define SNDCTL_COPR_SENDMSG _SIOWR('C', 8, copr_msg) 729 #define SNDCTL_COPR_RCVMSG _SIOR ('C', 9, copr_msg) 730 731 /********************************************* 732 * IOCTL commands for /dev/mixer 733 */ 734 735 /* 736 * Mixer devices 737 * 738 * There can be up to 20 different analog mixer channels. The 739 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 740 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 741 * the devices supported by the particular mixer. 742 */ 743 744 #define SOUND_MIXER_NRDEVICES 25 745 #define SOUND_MIXER_VOLUME 0 746 #define SOUND_MIXER_BASS 1 747 #define SOUND_MIXER_TREBLE 2 748 #define SOUND_MIXER_SYNTH 3 749 #define SOUND_MIXER_PCM 4 750 #define SOUND_MIXER_SPEAKER 5 751 #define SOUND_MIXER_LINE 6 752 #define SOUND_MIXER_MIC 7 753 #define SOUND_MIXER_CD 8 754 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 755 #define SOUND_MIXER_ALTPCM 10 756 #define SOUND_MIXER_RECLEV 11 /* Recording level */ 757 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 758 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 759 /* 760 * The AD1848 codec and compatibles have three line level inputs 761 * (line, aux1 and aux2). Since each card manufacturer have assigned 762 * different meanings to these inputs, it's inpractical to assign 763 * specific meanings (line, cd, synth etc.) to them. 764 */ 765 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 766 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 767 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 768 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 769 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 770 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 771 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 772 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 773 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 774 #define SOUND_MIXER_RADIO 23 /* Radio in */ 775 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 776 777 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 778 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 779 #define SOUND_ONOFF_MIN 28 780 #define SOUND_ONOFF_MAX 30 781 782 /* Note! Number 31 cannot be used since the sign bit is reserved */ 783 #define SOUND_MIXER_NONE 31 784 785 /* 786 * The following unsupported macros are no longer functional. 787 * Use SOUND_MIXER_PRIVATE# macros in future. 788 */ 789 #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 790 #define SOUND_MIXER_MUTE SOUND_MIXER_NONE 791 #define SOUND_MIXER_LOUD SOUND_MIXER_NONE 792 793 794 #define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 795 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 796 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 797 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 798 799 #define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 800 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 801 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 802 "phin", "phout", "video", "radio", "monitor"} 803 804 /* Device bitmask identifiers */ 805 806 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 807 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 808 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 809 #define SOUND_MIXER_CAPS 0xfc 810 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 811 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 812 #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 813 #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 814 815 /* Device mask bits */ 816 817 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 818 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 819 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 820 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 821 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 822 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 823 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 824 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 825 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 826 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 827 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 828 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 829 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 830 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 831 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 832 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 833 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 834 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 835 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 836 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 837 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 838 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 839 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 840 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 841 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 842 843 /* Obsolete macros */ 844 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 845 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 846 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 847 848 #define MIXER_READ(dev) _SIOR('M', dev, int) 849 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 850 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 851 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 852 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 853 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 854 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 855 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 856 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 857 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 858 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 859 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 860 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 861 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 862 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 863 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 864 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 865 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 866 867 /* Obsolete macros */ 868 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 869 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 870 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 871 872 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 873 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 874 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 875 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 876 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 877 878 #define MIXER_WRITE(dev) _SIOWR('M', dev, int) 879 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 880 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 881 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 882 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 883 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 884 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 885 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 886 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 887 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 888 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 889 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 890 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 891 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 892 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 893 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 894 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 895 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 896 897 /* Obsolete macros */ 898 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 899 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 900 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 901 902 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 903 904 typedef struct mixer_info 905 { 906 char id[16]; 907 char name[32]; 908 int modify_counter; 909 int fillers[10]; 910 } mixer_info; 911 912 typedef struct _old_mixer_info /* Obsolete */ 913 { 914 char id[16]; 915 char name[32]; 916 } _old_mixer_info; 917 918 #define SOUND_MIXER_INFO _SIOR ('M', 101, mixer_info) 919 #define SOUND_OLD_MIXER_INFO _SIOR ('M', 101, _old_mixer_info) 920 921 /* 922 * A mechanism for accessing "proprietary" mixer features. This method 923 * permits passing 128 bytes of arbitrary data between a mixer application 924 * and the mixer driver. Interpretation of the record is defined by 925 * the particular mixer driver. 926 */ 927 typedef unsigned char mixer_record[128]; 928 929 #define SOUND_MIXER_ACCESS _SIOWR('M', 102, mixer_record) 930 931 /* 932 * Two ioctls for special souncard function 933 */ 934 #define SOUND_MIXER_AGC _SIOWR('M', 103, int) 935 #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 936 937 /* 938 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 939 * These features can be used when accessing device specific features. 940 */ 941 #define SOUND_MIXER_PRIVATE1 _SIOWR('M', 111, int) 942 #define SOUND_MIXER_PRIVATE2 _SIOWR('M', 112, int) 943 #define SOUND_MIXER_PRIVATE3 _SIOWR('M', 113, int) 944 #define SOUND_MIXER_PRIVATE4 _SIOWR('M', 114, int) 945 #define SOUND_MIXER_PRIVATE5 _SIOWR('M', 115, int) 946 947 /* 948 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 949 * for querying current mixer settings from the driver and for loading 950 * default volume settings _prior_ activating the mixer (loading 951 * doesn't affect current state of the mixer hardware). These calls 952 * are for internal use only. 953 */ 954 955 typedef struct mixer_vol_table { 956 int num; /* Index to volume table */ 957 char name[32]; 958 int levels[32]; 959 } mixer_vol_table; 960 961 #define SOUND_MIXER_GETLEVELS _SIOWR('M', 116, mixer_vol_table) 962 #define SOUND_MIXER_SETLEVELS _SIOWR('M', 117, mixer_vol_table) 963 964 /* 965 * An ioctl for identifying the driver version. It will return value 966 * of the SOUND_VERSION macro used when compiling the driver. 967 * This call was introduced in OSS version 3.6 and it will not work 968 * with earlier versions (returns EINVAL). 969 */ 970 #define OSS_GETVERSION _SIOR ('M', 118, int) 971 972 /* 973 * Level 2 event types for /dev/sequencer 974 */ 975 976 /* 977 * The 4 most significant bits of byte 0 specify the class of 978 * the event: 979 * 980 * 0x8X = system level events, 981 * 0x9X = device/port specific events, event[1] = device/port, 982 * The last 4 bits give the subtype: 983 * 0x02 = Channel event (event[3] = chn). 984 * 0x01 = note event (event[4] = note). 985 * (0x01 is not used alone but always with bit 0x02). 986 * event[2] = MIDI message code (0x80=note off etc.) 987 * 988 */ 989 990 #define EV_SEQ_LOCAL 0x80 991 #define EV_TIMING 0x81 992 #define EV_CHN_COMMON 0x92 993 #define EV_CHN_VOICE 0x93 994 #define EV_SYSEX 0x94 995 /* 996 * Event types 200 to 220 are reserved for application use. 997 * These numbers will not be used by the driver. 998 */ 999 1000 /* 1001 * Events for event type EV_CHN_VOICE 1002 */ 1003 1004 #define MIDI_NOTEOFF 0x80 1005 #define MIDI_NOTEON 0x90 1006 #define MIDI_KEY_PRESSURE 0xA0 1007 1008 /* 1009 * Events for event type EV_CHN_COMMON 1010 */ 1011 1012 #define MIDI_CTL_CHANGE 0xB0 1013 #define MIDI_PGM_CHANGE 0xC0 1014 #define MIDI_CHN_PRESSURE 0xD0 1015 #define MIDI_PITCH_BEND 0xE0 1016 1017 #define MIDI_SYSTEM_PREFIX 0xF0 1018 1019 /* 1020 * Timer event types 1021 */ 1022 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1023 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1024 #define TMR_STOP 3 1025 #define TMR_START 4 1026 #define TMR_CONTINUE 5 1027 #define TMR_TEMPO 6 1028 #define TMR_ECHO 8 1029 #define TMR_CLOCK 9 /* MIDI clock */ 1030 #define TMR_SPP 10 /* Song position pointer */ 1031 #define TMR_TIMESIG 11 /* Time signature */ 1032 1033 /* 1034 * Local event types 1035 */ 1036 #define LOCL_STARTAUDIO 1 1037 1038 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 1039 /* 1040 * Some convenience macros to simplify programming of the 1041 * /dev/sequencer interface 1042 * 1043 * These macros define the API which should be used when possible. 1044 */ 1045 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1046 1047 void seqbuf_dump(void); /* This function must be provided by programs */ 1048 1049 extern int OSS_init(int seqfd, int buflen); 1050 extern void OSS_seqbuf_dump(int fd, unsigned char *buf, int buflen); 1051 extern void OSS_seq_advbuf(int len, int fd, unsigned char *buf, int buflen); 1052 extern void OSS_seq_needbuf(int len, int fd, unsigned char *buf, int buflen); 1053 extern void OSS_patch_caching(int dev, int chn, int patch, 1054 int fd, unsigned char *buf, int buflen); 1055 extern void OSS_drum_caching(int dev, int chn, int patch, 1056 int fd, unsigned char *buf, int buflen); 1057 extern void OSS_write_patch(int fd, unsigned char *buf, int len); 1058 extern int OSS_write_patch2(int fd, unsigned char *buf, int len); 1059 1060 #define SEQ_PM_DEFINES int __foo_bar___ 1061 #ifdef OSSLIB 1062 # define SEQ_USE_EXTBUF() \ 1063 extern unsigned char *_seqbuf; \ 1064 extern int _seqbuflen;extern int _seqbufptr 1065 # define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len 1066 # define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen) 1067 # define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen) 1068 # define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen) 1069 1070 # define SEQ_LOAD_GMINSTR(dev, instr) \ 1071 OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen) 1072 # define SEQ_LOAD_GMDRUM(dev, drum) \ 1073 OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen) 1074 #else /* !OSSLIB */ 1075 1076 # define SEQ_LOAD_GMINSTR(dev, instr) 1077 # define SEQ_LOAD_GMDRUM(dev, drum) 1078 1079 # define SEQ_USE_EXTBUF() \ 1080 extern unsigned char _seqbuf[]; \ 1081 extern int _seqbuflen;extern int _seqbufptr 1082 1083 #ifndef USE_SIMPLE_MACROS 1084 /* Sample seqbuf_dump() implementation: 1085 * 1086 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1087 * 1088 * int seqfd; -- The file descriptor for /dev/sequencer. 1089 * 1090 * void 1091 * seqbuf_dump () 1092 * { 1093 * if (_seqbufptr) 1094 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1095 * { 1096 * perror ("write /dev/sequencer"); 1097 * exit (-1); 1098 * } 1099 * _seqbufptr = 0; 1100 * } 1101 */ 1102 1103 #define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1104 #define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 1105 #define _SEQ_ADVBUF(len) _seqbufptr += len 1106 #define SEQ_DUMPBUF seqbuf_dump 1107 #else 1108 /* 1109 * This variation of the sequencer macros is used just to format one event 1110 * using fixed buffer. 1111 * 1112 * The program using the macro library must define the following macros before 1113 * using this library. 1114 * 1115 * #define _seqbuf name of the buffer (unsigned char[]) 1116 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1117 * size of the event, this macro can be used. 1118 * Otherwise this must be defined as empty. 1119 * #define _seqbufptr Define the name of index variable or 0 if 1120 * not required. 1121 */ 1122 #define _SEQ_NEEDBUF(len) /* empty */ 1123 #endif 1124 #endif /* !OSSLIB */ 1125 1126 #define SEQ_VOLUME_MODE(dev, mode) {_SEQ_NEEDBUF(8);\ 1127 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1128 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1129 _seqbuf[_seqbufptr+2] = (dev);\ 1130 _seqbuf[_seqbufptr+3] = (mode);\ 1131 _seqbuf[_seqbufptr+4] = 0;\ 1132 _seqbuf[_seqbufptr+5] = 0;\ 1133 _seqbuf[_seqbufptr+6] = 0;\ 1134 _seqbuf[_seqbufptr+7] = 0;\ 1135 _SEQ_ADVBUF(8);} 1136 1137 /* 1138 * Midi voice messages 1139 */ 1140 1141 #define _CHN_VOICE(dev, event, chn, note, parm) \ 1142 {_SEQ_NEEDBUF(8);\ 1143 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1144 _seqbuf[_seqbufptr+1] = (dev);\ 1145 _seqbuf[_seqbufptr+2] = (event);\ 1146 _seqbuf[_seqbufptr+3] = (chn);\ 1147 _seqbuf[_seqbufptr+4] = (note);\ 1148 _seqbuf[_seqbufptr+5] = (parm);\ 1149 _seqbuf[_seqbufptr+6] = (0);\ 1150 _seqbuf[_seqbufptr+7] = 0;\ 1151 _SEQ_ADVBUF(8);} 1152 1153 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1154 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1155 1156 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1157 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1158 1159 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1160 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1161 1162 /* 1163 * Midi channel messages 1164 */ 1165 1166 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 1167 {_SEQ_NEEDBUF(8);\ 1168 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1169 _seqbuf[_seqbufptr+1] = (dev);\ 1170 _seqbuf[_seqbufptr+2] = (event);\ 1171 _seqbuf[_seqbufptr+3] = (chn);\ 1172 _seqbuf[_seqbufptr+4] = (p1);\ 1173 _seqbuf[_seqbufptr+5] = (p2);\ 1174 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1175 _SEQ_ADVBUF(8);} 1176 /* 1177 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1178 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1179 * so _will_ cause problems with MPU401 intelligent mode). 1180 * 1181 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1182 * sent by calling SEQ_SYSEX() several times (there must be no other events 1183 * between them). First sysex fragment must have 0xf0 in the first byte 1184 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1185 * between these sysex start and end markers cannot be larger than 0x7f. Also 1186 * lengths of each fragments (except the last one) must be 6. 1187 * 1188 * Breaking the above rules may work with some MIDI ports but is likely to 1189 * cause fatal problems with some other devices (such as MPU401). 1190 */ 1191 #define SEQ_SYSEX(dev, buf, len) \ 1192 {int ii, ll=(len); \ 1193 unsigned char *bufp=buf;\ 1194 if (ll>6)ll=6;\ 1195 _SEQ_NEEDBUF(8);\ 1196 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1197 _seqbuf[_seqbufptr+1] = (dev);\ 1198 for(ii=0;ii<ll;ii++)\ 1199 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 1200 for(ii=ll;ii<6;ii++)\ 1201 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 1202 _SEQ_ADVBUF(8);} 1203 1204 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1205 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1206 1207 #define SEQ_SET_PATCH SEQ_PGM_CHANGE 1208 #ifdef OSSLIB 1209 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 1210 {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \ 1211 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);} 1212 #else 1213 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 1214 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1215 #endif 1216 1217 #define SEQ_CONTROL(dev, chn, controller, value) \ 1218 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1219 1220 #define SEQ_BENDER(dev, chn, value) \ 1221 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1222 1223 1224 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 1225 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1226 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1227 _seqbuf[_seqbufptr+2] = (dev);\ 1228 _seqbuf[_seqbufptr+3] = (voice);\ 1229 _seqbuf[_seqbufptr+4] = (controller);\ 1230 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 1231 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 1232 _seqbuf[_seqbufptr+7] = 0;\ 1233 _SEQ_ADVBUF(8);} 1234 /* 1235 * The following 5 macros are incorrectly implemented and obsolete. 1236 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1237 */ 1238 #define SEQ_PITCHBEND(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1239 #define SEQ_BENDER_RANGE(dev, voice, value) SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1240 #define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1241 #define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1242 #define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1243 1244 /* 1245 * Timing and syncronization macros 1246 */ 1247 1248 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1249 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1250 _seqbuf[_seqbufptr+1] = (ev); \ 1251 _seqbuf[_seqbufptr+2] = 0;\ 1252 _seqbuf[_seqbufptr+3] = 0;\ 1253 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1254 _SEQ_ADVBUF(8);} 1255 1256 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1257 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1258 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1259 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1260 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1261 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1262 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1263 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1264 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1265 1266 /* 1267 * Local control events 1268 */ 1269 1270 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 1271 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1272 _seqbuf[_seqbufptr+1] = (ev); \ 1273 _seqbuf[_seqbufptr+2] = 0;\ 1274 _seqbuf[_seqbufptr+3] = 0;\ 1275 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1276 _SEQ_ADVBUF(8);} 1277 1278 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1279 /* 1280 * Events for the level 1 interface only 1281 */ 1282 1283 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 1284 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1285 _seqbuf[_seqbufptr+1] = (byte);\ 1286 _seqbuf[_seqbufptr+2] = (device);\ 1287 _seqbuf[_seqbufptr+3] = 0;\ 1288 _SEQ_ADVBUF(4);} 1289 1290 /* 1291 * Patch loading. 1292 */ 1293 #ifdef OSSLIB 1294 # define SEQ_WRPATCH(patchx, len) \ 1295 OSS_write_patch(seqfd, (char*)(patchx), len) 1296 # define SEQ_WRPATCH2(patchx, len) \ 1297 OSS_write_patch2(seqfd, (char*)(patchx), len) 1298 #else 1299 # define SEQ_WRPATCH(patchx, len) \ 1300 {if (_seqbufptr) SEQ_DUMPBUF();\ 1301 if (write(seqfd, (char*)(patchx), len)==-1) \ 1302 perror("Write patch: /dev/sequencer");} 1303 # define SEQ_WRPATCH2(patchx, len) \ 1304 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 1305 #endif 1306 1307 #endif 1308 #endif 1309