1 /* 2 * Purpose: The C/C++ header file that defines the OSS API. 3 * Description: 4 * This header file contains all the declarations required to compile OSS 5 * programs. The latest version is always installed together with OSS 6 * use of the latest version is strongly recommended. 7 * 8 * {!notice This header file contains many obsolete definitions 9 * (for compatibility with older applications that still ned them). 10 * Do not use this file as a reference manual of OSS. 11 * Please check the OSS Programmer's guide for descriptions 12 * of the supported API details (http://manuals.opensound.com/developer).} 13 */ 14 15 #ifndef SOUNDCARD_H 16 #define SOUNDCARD_H 17 18 #define COPYING40 Copyright (C) 4Front Technologies 2000-2006. Released under the BSD license. 19 20 #if defined(__cplusplus) 21 #define EXTERNC extern "C" 22 #else 23 #define EXTERNC extern 24 #endif /* EXTERN_C_WRAPPERS */ 25 26 #define OSS_VERSION 0x040090 // Pre 4.1 27 28 #define SOUND_VERSION OSS_VERSION 29 #define OPEN_SOUND_SYSTEM 30 31 #if defined(__hpux) && !defined(_HPUX_SOURCE) 32 # error "-D_HPUX_SOURCE must be used when compiling OSS applications" 33 #endif 34 35 #ifdef __hpux 36 #include <sys/ioctl.h> 37 #endif 38 39 #ifdef linux 40 /* In Linux we need to be prepared for cross compiling */ 41 #include <linux/ioctl.h> 42 #else 43 # ifdef __FreeBSD__ 44 # include <sys/ioccom.h> 45 # else 46 # include <sys/ioctl.h> 47 # endif 48 #endif 49 50 #ifndef __SIOWR 51 #if defined(__hpux) || (defined(_IOWR) && (defined(_AIX) || (!defined(sun) && !defined(sparc) && !defined(__INCioctlh) && !defined(__Lynx__)))) 52 53 /* 54 * Make sure the ioctl macros are compatible with the ones already used 55 * by this operating system. 56 */ 57 #define SIOCPARM_MASK IOCPARM_MASK 58 #define SIOC_VOID IOC_VOID 59 #define SIOC_OUT IOC_OUT 60 #define SIOC_IN IOC_IN 61 #define SIOC_INOUT IOC_INOUT 62 #define __SIOC_SIZE _IOC_SIZE 63 #define __SIOC_DIR _IOC_DIR 64 #define __SIOC_NONE _IOC_NONE 65 #define __SIOC_READ _IOC_READ 66 #define __SIOC_WRITE _IOC_WRITE 67 #define __SIO _IO 68 #define __SIOR _IOR 69 #define __SIOW _IOW 70 #define __SIOWR _IOWR 71 #else 72 73 /* #define SIOCTYPE (0xff<<8) */ 74 #define SIOCPARM_MASK 0x1fff /* parameters must be < 8192 bytes */ 75 #define SIOC_VOID 0x00000000 /* no parameters */ 76 #define SIOC_OUT 0x20000000 /* copy out parameters */ 77 #define SIOC_IN 0x40000000 /* copy in parameters */ 78 #define SIOC_INOUT (SIOC_IN|SIOC_OUT) 79 80 #define __SIO(x,y) ((int)(SIOC_VOID|(x<<8)|y)) 81 #define __SIOR(x,y,t) ((int)(SIOC_OUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 82 #define __SIOW(x,y,t) ((int)(SIOC_IN|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 83 #define __SIOWR(x,y,t) ((int)(SIOC_INOUT|((sizeof(t)&SIOCPARM_MASK)<<16)|(x<<8)|y)) 84 #define __SIOC_SIZE(x) ((x>>16)&SIOCPARM_MASK) 85 #define __SIOC_DIR(x) (x & 0xf0000000) 86 #define __SIOC_NONE SIOC_VOID 87 #define __SIOC_READ SIOC_OUT 88 #define __SIOC_WRITE SIOC_IN 89 # endif /* _IOWR */ 90 #endif /* !__SIOWR */ 91 92 #define OSS_LONGNAME_SIZE 64 93 #define OSS_LABEL_SIZE 16 94 #define OSS_DEVNODE_SIZE 32 95 typedef char oss_longname_t[OSS_LONGNAME_SIZE]; 96 typedef char oss_label_t[OSS_LABEL_SIZE]; 97 typedef char oss_devnode_t[OSS_DEVNODE_SIZE]; 98 99 #ifndef DISABLE_SEQUENCER 100 /* 101 **************************************************************************** 102 * IOCTL Commands for /dev/sequencer and /dev/music (AKA /dev/sequencer2) 103 * 104 * Note that this interface is obsolete and no longer developed. New 105 * applications should use /dev/midi instead. 106 ****************************************************************************/ 107 #define SNDCTL_SEQ_RESET __SIO ('Q', 0) 108 #define SNDCTL_SEQ_SYNC __SIO ('Q', 1) 109 #define SNDCTL_SYNTH_INFO __SIOWR('Q', 2, struct synth_info) 110 #define SNDCTL_SEQ_CTRLRATE __SIOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 111 #define SNDCTL_SEQ_GETOUTCOUNT __SIOR ('Q', 4, int) 112 #define SNDCTL_SEQ_GETINCOUNT __SIOR ('Q', 5, int) 113 #define SNDCTL_SEQ_PERCMODE __SIOW ('Q', 6, int) 114 #define SNDCTL_FM_LOAD_INSTR __SIOW ('Q', 7, struct sbi_instrument) /* Obsolete. Don't use!!!!!! */ 115 #define SNDCTL_SEQ_TESTMIDI __SIOW ('Q', 8, int) 116 #define SNDCTL_SEQ_RESETSAMPLES __SIOW ('Q', 9, int) 117 #define SNDCTL_SEQ_NRSYNTHS __SIOR ('Q',10, int) 118 #define SNDCTL_SEQ_NRMIDIS __SIOR ('Q',11, int) 119 #define SNDCTL_MIDI_INFO __SIOWR('Q',12, struct midi_info) /* OBSOLETE - use SNDCTL_MIDIINFO instead */ 120 #define SNDCTL_SEQ_THRESHOLD __SIOW ('Q',13, int) 121 #define SNDCTL_SYNTH_MEMAVL __SIOWR('Q',14, int) /* in=dev#, out=memsize */ 122 #define SNDCTL_FM_4OP_ENABLE __SIOW ('Q',15, int) /* in=dev# */ 123 #define SNDCTL_SEQ_PANIC __SIO ('Q',17) 124 #define SNDCTL_SEQ_OUTOFBAND __SIOW ('Q',18, struct seq_event_rec) 125 #define SNDCTL_SEQ_GETTIME __SIOR ('Q',19, int) 126 #define SNDCTL_SYNTH_ID __SIOWR('Q',20, struct synth_info) 127 #define SNDCTL_SYNTH_CONTROL __SIOWR('Q',21, struct synth_control) 128 #define SNDCTL_SYNTH_REMOVESAMPLE __SIOWR('Q',22, struct remove_sample) /* Reserved for future use */ 129 #define SNDCTL_SEQ_TIMING_ENABLE __SIO ('Q', 23) /* Enable incoming MIDI timing messages */ 130 #define SNDCTL_SEQ_ACTSENSE_ENABLE __SIO ('Q', 24) /* Enable incoming active sensing messages */ 131 #define SNDCTL_SEQ_RT_ENABLE __SIO ('Q', 25) /* Enable other incoming realtime messages */ 132 133 typedef struct synth_control 134 { 135 int devno; /* Synthesizer # */ 136 char data[4000]; /* Device spesific command/data record */ 137 } synth_control; 138 139 typedef struct remove_sample 140 { 141 int devno; /* Synthesizer # */ 142 int bankno; /* MIDI bank # (0=General MIDI) */ 143 int instrno; /* MIDI instrument number */ 144 } remove_sample; 145 146 typedef struct seq_event_rec 147 { 148 unsigned char arr[8]; 149 } seq_event_rec; 150 151 #define SNDCTL_TMR_TIMEBASE __SIOWR('T', 1, int) 152 #define SNDCTL_TMR_START __SIO ('T', 2) 153 #define SNDCTL_TMR_STOP __SIO ('T', 3) 154 #define SNDCTL_TMR_CONTINUE __SIO ('T', 4) 155 #define SNDCTL_TMR_TEMPO __SIOWR('T', 5, int) 156 #define SNDCTL_TMR_SOURCE __SIOWR('T', 6, int) 157 # define TMR_INTERNAL 0x00000001 158 # define TMR_EXTERNAL 0x00000002 159 # define TMR_MODE_MIDI 0x00000010 160 # define TMR_MODE_FSK 0x00000020 161 # define TMR_MODE_CLS 0x00000040 162 # define TMR_MODE_SMPTE 0x00000080 163 #define SNDCTL_TMR_METRONOME __SIOW ('T', 7, int) 164 #define SNDCTL_TMR_SELECT __SIOW ('T', 8, int) 165 166 /* 167 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 168 * (for the .PAT format). 169 */ 170 171 struct patch_info 172 { 173 unsigned short key; /* Use WAVE_PATCH here */ 174 #define WAVE_PATCH _PATCHKEY(0x04) 175 #define GUS_PATCH WAVE_PATCH 176 #define WAVEFRONT_PATCH _PATCHKEY(0x06) 177 178 short device_no; /* Synthesizer number */ 179 short instr_no; /* Midi pgm# */ 180 181 unsigned int mode; 182 /* 183 * The least significant byte has the same format than the GUS .PAT 184 * files 185 */ 186 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 187 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 188 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 189 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 190 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 191 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3) */ 192 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 193 #define WAVE_FAST_RELEASE 0x80 /* bit 7 = Shut off immediately after note off */ 194 /* (use the env_rate/env_offs fields). */ 195 /* Linux specific bits */ 196 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 197 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 198 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 199 #define WAVE_FRACTIONS 0x00080000 /* Fraction information is valid */ 200 /* Reserved bits */ 201 #define WAVE_ROM 0x40000000 /* For future use */ 202 #define WAVE_MULAW 0x20000000 /* For future use */ 203 /* Other bits must be zeroed */ 204 205 int len; /* Size of the wave data in bytes */ 206 int loop_start, loop_end; /* Byte offsets from the beginning */ 207 208 /* 209 * The base_freq and base_note fields are used when computing the 210 * playback speed for a note. The base_note defines the tone frequency 211 * which is heard if the sample is played using the base_freq as the 212 * playback speed. 213 * 214 * The low_note and high_note fields define the minimum and maximum note 215 * frequencies for which this sample is valid. It is possible to define 216 * more than one samples for an instrument number at the same time. The 217 * low_note and high_note fields are used to select the most suitable one. 218 * 219 * The fields base_note, high_note and low_note should contain 220 * the note frequency multiplied by 1000. For example value for the 221 * middle A is 440*1000. 222 */ 223 224 unsigned int base_freq; 225 unsigned int base_note; 226 unsigned int high_note; 227 unsigned int low_note; 228 int panning; /* -128=left, 127=right */ 229 int detuning; 230 231 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 232 unsigned char env_rate[6]; /* GUS HW ramping rate */ 233 unsigned char env_offset[6]; /* 255 == 100% */ 234 235 /* 236 * The tremolo, vibrato and scale info are not supported yet. 237 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 238 * WAVE_SCALE 239 */ 240 241 unsigned char tremolo_sweep; 242 unsigned char tremolo_rate; 243 unsigned char tremolo_depth; 244 245 unsigned char vibrato_sweep; 246 unsigned char vibrato_rate; 247 unsigned char vibrato_depth; 248 249 int scale_frequency; 250 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 251 252 int volume; 253 int fractions; 254 int reserved1; 255 int spare[2]; 256 char data[1]; /* The waveform data starts here */ 257 }; 258 259 struct sysex_info 260 { 261 short key; /* Use SYSEX_PATCH or MAUI_PATCH here */ 262 #define SYSEX_PATCH _PATCHKEY(0x05) 263 #define MAUI_PATCH _PATCHKEY(0x06) 264 short device_no; /* Synthesizer number */ 265 int len; /* Size of the sysex data in bytes */ 266 unsigned char data[1]; /* Sysex data starts here */ 267 }; 268 269 /* 270 * /dev/sequencer input events. 271 * 272 * The data written to the /dev/sequencer is a stream of events. Events 273 * are records of 4 or 8 bytes. The first byte defines the size. 274 * Any number of events can be written with a write call. There 275 * is a set of macros for sending these events. Use these macros if you 276 * want to maximize portability of your program. 277 * 278 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 279 * (All input events are currently 4 bytes long. Be prepared to support 280 * 8 byte events also. If you receive any event having first byte >= 128, 281 * it's a 8 byte event. 282 * 283 * The events are documented at the end of this file. 284 * 285 * Normal events (4 bytes) 286 * There is also a 8 byte version of most of the 4 byte events. The 287 * 8 byte one is recommended. 288 * 289 * NOTE! All 4 byte events are now obsolete. Applications should not write 290 * them. However 4 byte events are still used as inputs from 291 * /dev/sequencer (/dev/music uses only 8 byte ones). 292 */ 293 #define SEQ_NOTEOFF 0 294 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 295 #define SEQ_NOTEON 1 296 #define SEQ_FMNOTEON SEQ_NOTEON 297 #define SEQ_WAIT TMR_WAIT_ABS 298 #define SEQ_PGMCHANGE 3 299 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 300 #define SEQ_SYNCTIMER TMR_START 301 #define SEQ_MIDIPUTC 5 302 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 303 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 304 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 305 #define SEQ_AFTERTOUCH 9 306 #define SEQ_CONTROLLER 10 307 #define SEQ_BALANCE 11 308 #define SEQ_VOLMODE 12 309 310 /************************************ 311 * Midi controller numbers * 312 ************************************/ 313 /* 314 * Controllers 0 to 31 (0x00 to 0x1f) and 315 * 32 to 63 (0x20 to 0x3f) are continuous 316 * controllers. 317 * In the MIDI 1.0 these controllers are sent using 318 * two messages. Controller numbers 0 to 31 are used 319 * to send the MSB and the controller numbers 32 to 63 320 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 321 */ 322 323 #define CTL_BANK_SELECT 0x00 324 #define CTL_MODWHEEL 0x01 325 #define CTL_BREATH 0x02 326 /* undefined 0x03 */ 327 #define CTL_FOOT 0x04 328 #define CTL_PORTAMENTO_TIME 0x05 329 #define CTL_DATA_ENTRY 0x06 330 #define CTL_MAIN_VOLUME 0x07 331 #define CTL_BALANCE 0x08 332 /* undefined 0x09 */ 333 #define CTL_PAN 0x0a 334 #define CTL_EXPRESSION 0x0b 335 /* undefined 0x0c */ 336 /* undefined 0x0d */ 337 /* undefined 0x0e */ 338 /* undefined 0x0f */ 339 #define CTL_GENERAL_PURPOSE1 0x10 340 #define CTL_GENERAL_PURPOSE2 0x11 341 #define CTL_GENERAL_PURPOSE3 0x12 342 #define CTL_GENERAL_PURPOSE4 0x13 343 /* undefined 0x14 - 0x1f */ 344 345 /* undefined 0x20 */ 346 /* The controller numbers 0x21 to 0x3f are reserved for the */ 347 /* least significant bytes of the controllers 0x00 to 0x1f. */ 348 /* These controllers are not recognised by the driver. */ 349 350 /* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 351 /* 0=OFF and 127=ON (intermediate values are possible) */ 352 #define CTL_DAMPER_PEDAL 0x40 353 #define CTL_SUSTAIN 0x40 /* Alias */ 354 #define CTL_HOLD 0x40 /* Alias */ 355 #define CTL_PORTAMENTO 0x41 356 #define CTL_SOSTENUTO 0x42 357 #define CTL_SOFT_PEDAL 0x43 358 /* undefined 0x44 */ 359 #define CTL_HOLD2 0x45 360 /* undefined 0x46 - 0x4f */ 361 362 #define CTL_GENERAL_PURPOSE5 0x50 363 #define CTL_GENERAL_PURPOSE6 0x51 364 #define CTL_GENERAL_PURPOSE7 0x52 365 #define CTL_GENERAL_PURPOSE8 0x53 366 /* undefined 0x54 - 0x5a */ 367 #define CTL_EXT_EFF_DEPTH 0x5b 368 #define CTL_TREMOLO_DEPTH 0x5c 369 #define CTL_CHORUS_DEPTH 0x5d 370 #define CTL_DETUNE_DEPTH 0x5e 371 #define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 372 #define CTL_PHASER_DEPTH 0x5f 373 #define CTL_DATA_INCREMENT 0x60 374 #define CTL_DATA_DECREMENT 0x61 375 #define CTL_NONREG_PARM_NUM_LSB 0x62 376 #define CTL_NONREG_PARM_NUM_MSB 0x63 377 #define CTL_REGIST_PARM_NUM_LSB 0x64 378 #define CTL_REGIST_PARM_NUM_MSB 0x65 379 /* undefined 0x66 - 0x78 */ 380 /* reserved 0x79 - 0x7f */ 381 382 /* Pseudo controllers (not midi compatible) */ 383 #define CTRL_PITCH_BENDER 255 384 #define CTRL_PITCH_BENDER_RANGE 254 385 #define CTRL_EXPRESSION 253 /* Obsolete */ 386 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 387 388 /* 389 * Volume mode defines how volumes are used 390 */ 391 392 #define VOL_METHOD_ADAGIO 1 393 #define VOL_METHOD_LINEAR 2 394 395 /* 396 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 397 * input events. 398 */ 399 400 /* 401 * Event codes 0xf0 to 0xfc are reserved for future extensions. 402 */ 403 404 #define SEQ_FULLSIZE 0xfd /* Long events */ 405 /* 406 * SEQ_FULLSIZE events are used for loading patches/samples to the 407 * synthesizer devices. These events are passed directly to the driver 408 * of the associated synthesizer device. There is no limit to the size 409 * of the extended events. These events are not queued but executed 410 * immediately when the write() is called (execution can take several 411 * seconds of time). 412 * 413 * When a SEQ_FULLSIZE message is written to the device, it must 414 * be written using exactly one write() call. Other events cannot 415 * be mixed to the same write. 416 * 417 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 418 * /dev/sequencer. Don't write other data together with the instrument structure 419 * Set the key field of the structure to FM_PATCH. The device field is used to 420 * route the patch to the corresponding device. 421 * 422 * For wave table use struct patch_info. Initialize the key field 423 * to WAVE_PATCH. 424 */ 425 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 426 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 427 428 /* 429 * Record for FM patches 430 */ 431 432 typedef unsigned char sbi_instr_data[32]; 433 434 struct sbi_instrument 435 { 436 unsigned short key; /* FM_PATCH or OPL3_PATCH */ 437 #define FM_PATCH _PATCHKEY(0x01) 438 #define OPL3_PATCH _PATCHKEY(0x03) 439 short device; /* Synth# (0-4) */ 440 int channel; /* Program# to be initialized */ 441 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 442 }; 443 444 struct synth_info 445 { /* Read only */ 446 char name[30]; 447 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 448 int synth_type; 449 #define SYNTH_TYPE_FM 0 450 #define SYNTH_TYPE_SAMPLE 1 451 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 452 453 int synth_subtype; 454 #define FM_TYPE_ADLIB 0x00 455 #define FM_TYPE_OPL3 0x01 456 #define MIDI_TYPE_MPU401 0x401 457 458 #define SAMPLE_TYPE_BASIC 0x10 459 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 460 #define SAMPLE_TYPE_WAVEFRONT 0x11 461 462 int perc_mode; /* No longer supported */ 463 int nr_voices; 464 int nr_drums; /* Obsolete field */ 465 int instr_bank_size; 466 unsigned int capabilities; 467 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 468 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 469 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 470 int dummies[19]; /* Reserve space */ 471 }; 472 473 struct sound_timer_info 474 { 475 char name[32]; 476 int caps; 477 }; 478 479 struct midi_info /* OBSOLETE */ 480 { 481 char name[30]; 482 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 483 unsigned int capabilities; /* To be defined later */ 484 int dev_type; 485 int dummies[18]; /* Reserve space */ 486 }; 487 488 /* 489 * Level 2 event types for /dev/sequencer 490 */ 491 492 /* 493 * The 4 most significant bits of byte 0 specify the class of 494 * the event: 495 * 496 * 0x8X = system level events, 497 * 0x9X = device/port specific events, event[1] = device/port, 498 * The last 4 bits give the subtype: 499 * 0x02 = Channel event (event[3] = chn). 500 * 0x01 = note event (event[4] = note). 501 * (0x01 is not used alone but always with bit 0x02). 502 * event[2] = MIDI message code (0x80=note off etc.) 503 * 504 */ 505 506 #define EV_SEQ_LOCAL 0x80 507 #define EV_TIMING 0x81 508 #define EV_CHN_COMMON 0x92 509 #define EV_CHN_VOICE 0x93 510 #define EV_SYSEX 0x94 511 #define EV_SYSTEM 0x95 /* MIDI system and real time messages (input only) */ 512 /* 513 * Event types 200 to 220 are reserved for application use. 514 * These numbers will not be used by the driver. 515 */ 516 517 /* 518 * Events for event type EV_CHN_VOICE 519 */ 520 521 #define MIDI_NOTEOFF 0x80 522 #define MIDI_NOTEON 0x90 523 #define MIDI_KEY_PRESSURE 0xA0 524 525 /* 526 * Events for event type EV_CHN_COMMON 527 */ 528 529 #define MIDI_CTL_CHANGE 0xB0 530 #define MIDI_PGM_CHANGE 0xC0 531 #define MIDI_CHN_PRESSURE 0xD0 532 #define MIDI_PITCH_BEND 0xE0 533 534 #define MIDI_SYSTEM_PREFIX 0xF0 535 536 /* 537 * Timer event types 538 */ 539 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 540 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 541 #define TMR_STOP 3 542 #define TMR_START 4 543 #define TMR_CONTINUE 5 544 #define TMR_TEMPO 6 545 #define TMR_ECHO 8 546 #define TMR_CLOCK 9 /* MIDI clock */ 547 #define TMR_SPP 10 /* Song position pointer */ 548 #define TMR_TIMESIG 11 /* Time signature */ 549 550 /* 551 * Local event types 552 */ 553 #define LOCL_STARTAUDIO 1 554 #define LOCL_STARTAUDIO2 2 555 #define LOCL_STARTAUDIO3 3 556 #define LOCL_STARTAUDIO4 4 557 558 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 559 /* 560 * Some convenience macros to simplify programming of the 561 * /dev/sequencer interface 562 * 563 * These macros define the API which should be used when possible. 564 */ 565 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 566 567 void seqbuf_dump (void); /* This function must be provided by programs */ 568 569 EXTERNC int OSS_init (int seqfd, int buflen); 570 EXTERNC void OSS_seqbuf_dump (int fd, unsigned char *buf, int buflen); 571 EXTERNC void OSS_seq_advbuf (int len, int fd, unsigned char *buf, int buflen); 572 EXTERNC void OSS_seq_needbuf (int len, int fd, unsigned char *buf, 573 int buflen); 574 EXTERNC void OSS_patch_caching (int dev, int chn, int patch, int fd, 575 unsigned char *buf, int buflen); 576 EXTERNC void OSS_drum_caching (int dev, int chn, int patch, int fd, 577 unsigned char *buf, int buflen); 578 EXTERNC void OSS_write_patch (int fd, unsigned char *buf, int len); 579 EXTERNC int OSS_write_patch2 (int fd, unsigned char *buf, int len); 580 581 #define SEQ_PM_DEFINES int __foo_bar___ 582 #ifdef OSSLIB 583 # define SEQ_USE_EXTBUF() \ 584 EXTERNC unsigned char *_seqbuf; \ 585 EXTERNC int _seqbuflen;EXTERNC int _seqbufptr 586 # define SEQ_DEFINEBUF(len) SEQ_USE_EXTBUF();static int _requested_seqbuflen=len 587 # define _SEQ_ADVBUF(len) OSS_seq_advbuf(len, seqfd, _seqbuf, _seqbuflen) 588 # define _SEQ_NEEDBUF(len) OSS_seq_needbuf(len, seqfd, _seqbuf, _seqbuflen) 589 # define SEQ_DUMPBUF() OSS_seqbuf_dump(seqfd, _seqbuf, _seqbuflen) 590 591 # define SEQ_LOAD_GMINSTR(dev, instr) \ 592 OSS_patch_caching(dev, -1, instr, seqfd, _seqbuf, _seqbuflen) 593 # define SEQ_LOAD_GMDRUM(dev, drum) \ 594 OSS_drum_caching(dev, -1, drum, seqfd, _seqbuf, _seqbuflen) 595 #else /* !OSSLIB */ 596 597 # define SEQ_LOAD_GMINSTR(dev, instr) 598 # define SEQ_LOAD_GMDRUM(dev, drum) 599 600 # define SEQ_USE_EXTBUF() \ 601 EXTERNC unsigned char _seqbuf[]; \ 602 EXTERNC int _seqbuflen;EXTERNC int _seqbufptr 603 604 #ifndef USE_SIMPLE_MACROS 605 /* Sample seqbuf_dump() implementation: 606 * 607 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 608 * 609 * int seqfd; -- The file descriptor for /dev/sequencer. 610 * 611 * void 612 * seqbuf_dump () 613 * { 614 * if (_seqbufptr) 615 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 616 * { 617 * perror ("write /dev/sequencer"); 618 * exit (-1); 619 * } 620 * _seqbufptr = 0; 621 * } 622 */ 623 624 #define SEQ_DEFINEBUF(len) \ 625 unsigned char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 626 #define _SEQ_NEEDBUF(len) \ 627 if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 628 #define _SEQ_ADVBUF(len) _seqbufptr += len 629 #define SEQ_DUMPBUF seqbuf_dump 630 #else 631 /* 632 * This variation of the sequencer macros is used just to format one event 633 * using fixed buffer. 634 * 635 * The program using the macro library must define the following macros before 636 * using this library. 637 * 638 * #define _seqbuf name of the buffer (unsigned char[]) 639 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 640 * size of the event, this macro can be used. 641 * Otherwise this must be defined as empty. 642 * #define _seqbufptr Define the name of index variable or 0 if 643 * not required. 644 */ 645 #define _SEQ_NEEDBUF(len) /* empty */ 646 #endif 647 #endif /* !OSSLIB */ 648 649 #define SEQ_VOLUME_MODE(dev, mode) \ 650 {_SEQ_NEEDBUF(8);\ 651 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 652 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 653 _seqbuf[_seqbufptr+2] = (dev);\ 654 _seqbuf[_seqbufptr+3] = (mode);\ 655 _seqbuf[_seqbufptr+4] = 0;\ 656 _seqbuf[_seqbufptr+5] = 0;\ 657 _seqbuf[_seqbufptr+6] = 0;\ 658 _seqbuf[_seqbufptr+7] = 0;\ 659 _SEQ_ADVBUF(8);} 660 661 /* 662 * Midi voice messages 663 */ 664 665 #define _CHN_VOICE(dev, event, chn, note, parm) \ 666 {_SEQ_NEEDBUF(8);\ 667 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 668 _seqbuf[_seqbufptr+1] = (dev);\ 669 _seqbuf[_seqbufptr+2] = (event);\ 670 _seqbuf[_seqbufptr+3] = (chn);\ 671 _seqbuf[_seqbufptr+4] = (note);\ 672 _seqbuf[_seqbufptr+5] = (parm);\ 673 _seqbuf[_seqbufptr+6] = (0);\ 674 _seqbuf[_seqbufptr+7] = 0;\ 675 _SEQ_ADVBUF(8);} 676 677 #define SEQ_START_NOTE(dev, chn, note, vol) \ 678 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 679 680 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 681 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 682 683 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 684 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 685 686 /* 687 * Midi channel messages 688 */ 689 690 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) \ 691 {_SEQ_NEEDBUF(8);\ 692 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 693 _seqbuf[_seqbufptr+1] = (dev);\ 694 _seqbuf[_seqbufptr+2] = (event);\ 695 _seqbuf[_seqbufptr+3] = (chn);\ 696 _seqbuf[_seqbufptr+4] = (p1);\ 697 _seqbuf[_seqbufptr+5] = (p2);\ 698 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 699 _SEQ_ADVBUF(8);} 700 /* 701 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 702 * sending any MIDI bytes but it's absolutely not possible. Trying to do 703 * so _will_ cause problems with MPU401 intelligent mode). 704 * 705 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 706 * sent by calling SEQ_SYSEX() several times (there must be no other events 707 * between them). First sysex fragment must have 0xf0 in the first byte 708 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 709 * between these sysex start and end markers cannot be larger than 0x7f. Also 710 * lengths of each fragments (except the last one) must be 6. 711 * 712 * Breaking the above rules may work with some MIDI ports but is likely to 713 * cause fatal problems with some other devices (such as MPU401). 714 */ 715 #define SEQ_SYSEX(dev, buf, len) \ 716 {int ii, ll=(len); \ 717 unsigned char *bufp=buf;\ 718 if (ll>6)ll=6;\ 719 _SEQ_NEEDBUF(8);\ 720 _seqbuf[_seqbufptr] = EV_SYSEX;\ 721 _seqbuf[_seqbufptr+1] = (dev);\ 722 for(ii=0;ii<ll;ii++)\ 723 _seqbuf[_seqbufptr+ii+2] = bufp[ii];\ 724 for(ii=ll;ii<6;ii++)\ 725 _seqbuf[_seqbufptr+ii+2] = 0xff;\ 726 _SEQ_ADVBUF(8);} 727 728 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 729 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 730 731 #define SEQ_SET_PATCH SEQ_PGM_CHANGE 732 #ifdef OSSLIB 733 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 734 {OSS_patch_caching(dev, chn, patch, seqfd, _seqbuf, _seqbuflen); \ 735 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0);} 736 #else 737 # define SEQ_PGM_CHANGE(dev, chn, patch) \ 738 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 739 #endif 740 741 #define SEQ_CONTROL(dev, chn, controller, value) \ 742 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 743 744 #define SEQ_BENDER(dev, chn, value) \ 745 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 746 747 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) \ 748 {_SEQ_NEEDBUF(8);\ 749 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 750 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 751 _seqbuf[_seqbufptr+2] = (dev);\ 752 _seqbuf[_seqbufptr+3] = (voice);\ 753 _seqbuf[_seqbufptr+4] = (controller);\ 754 _seqbuf[_seqbufptr+5] = ((value)&0xff);\ 755 _seqbuf[_seqbufptr+6] = ((value>>8)&0xff);\ 756 _seqbuf[_seqbufptr+7] = 0;\ 757 _SEQ_ADVBUF(8);} 758 /* 759 * The following 5 macros are incorrectly implemented and obsolete. 760 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 761 */ 762 #define SEQ_PITCHBEND(dev, voice, value) \ 763 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 764 #define SEQ_BENDER_RANGE(dev, voice, value) \ 765 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 766 #define SEQ_EXPRESSION(dev, voice, value) \ 767 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 768 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 769 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 770 #define SEQ_PANNING(dev, voice, pos) \ 771 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 772 773 /* 774 * Timing and syncronization macros 775 */ 776 777 #define _TIMER_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 778 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 779 _seqbuf[_seqbufptr+1] = (ev); \ 780 _seqbuf[_seqbufptr+2] = 0;\ 781 _seqbuf[_seqbufptr+3] = 0;\ 782 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 783 _SEQ_ADVBUF(8);} 784 785 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 786 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 787 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 788 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 789 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 790 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 791 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 792 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 793 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 794 795 /* 796 * Local control events 797 */ 798 799 #define _LOCAL_EVENT(ev, parm) {_SEQ_NEEDBUF(8);\ 800 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 801 _seqbuf[_seqbufptr+1] = (ev); \ 802 _seqbuf[_seqbufptr+2] = 0;\ 803 _seqbuf[_seqbufptr+3] = 0;\ 804 *(unsigned int *)&_seqbuf[_seqbufptr+4] = (parm); \ 805 _SEQ_ADVBUF(8);} 806 807 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 808 #define SEQ_PLAYAUDIO2(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO2, devmask) 809 #define SEQ_PLAYAUDIO3(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO3, devmask) 810 #define SEQ_PLAYAUDIO4(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO4, devmask) 811 /* 812 * Events for the level 1 interface only 813 */ 814 815 #define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 816 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 817 _seqbuf[_seqbufptr+1] = (byte);\ 818 _seqbuf[_seqbufptr+2] = (device);\ 819 _seqbuf[_seqbufptr+3] = 0;\ 820 _SEQ_ADVBUF(4);} 821 822 /* 823 * Patch loading. 824 */ 825 #ifdef OSSLIB 826 # define SEQ_WRPATCH(patchx, len) \ 827 OSS_write_patch(seqfd, (char*)(patchx), len) 828 # define SEQ_WRPATCH2(patchx, len) \ 829 OSS_write_patch2(seqfd, (char*)(patchx), len) 830 #else 831 # define SEQ_WRPATCH(patchx, len) \ 832 {if (_seqbufptr) SEQ_DUMPBUF();\ 833 if (write(seqfd, (char*)(patchx), len)==-1) \ 834 perror("Write patch: /dev/sequencer");} 835 # define SEQ_WRPATCH2(patchx, len) \ 836 (SEQ_DUMPBUF(), write(seqfd, (char*)(patchx), len)) 837 #endif 838 839 #endif 840 #endif /* ifndef DISABLE_SEQUENCER */ 841 842 /* 843 **************************************************************************** 844 * ioctl commands for the /dev/midi## 845 ****************************************************************************/ 846 #define SNDCTL_MIDI_PRETIME __SIOWR('m', 0, int) 847 848 #if 0 849 /* 850 * The SNDCTL_MIDI_MPUMODE and SNDCTL_MIDI_MPUCMD calls 851 * are completely obsolete. The hardware device (MPU-401 "intelligent mode" 852 * and compatibles) has disappeared from the market 10 years ago so there 853 * is no need for this stuff. The MPU-401 "UART" mode devices don't support 854 * this stuff. 855 */ 856 typedef struct 857 { 858 unsigned char cmd; 859 char nr_args, nr_returns; 860 unsigned char data[30]; 861 } mpu_command_rec; 862 863 #define SNDCTL_MIDI_MPUMODE __SIOWR('m', 1, int) 864 #define SNDCTL_MIDI_MPUCMD __SIOWR('m', 2, mpu_command_rec) 865 #endif 866 867 /* 868 * SNDCTL_MIDI_MTCINPUT turns on a mode where OSS automatically inserts 869 * MTC quarter frame messages (F1 xx) to the input. 870 * The argument is the MTC mode: 871 * 872 * -1 = Turn MTC messages OFF (default) 873 * 24 = 24 FPS 874 * 25 = 25 FPS 875 * 29 = 30 FPS drop frame 876 * 30 = 30 FPS 877 * 878 * Note that 25 FPS mode is probably the only mode that is supported. Other 879 * modes may be supported in the future versions of OSS, 25 FPS is handy 880 * because it generates 25*4=100 quarter frame messages per second which 881 * matches the usual 100 HZ system timer rate). 882 * 883 * The quarter frame timer will be reset to 0:00:00:00.0 at the moment this 884 * ioctl is made. 885 */ 886 #define SNDCTL_MIDI_MTCINPUT __SIOWR('m', 3, int) 887 888 /* 889 * MTC/SMPTE time code record (for future use) 890 */ 891 typedef struct 892 { 893 unsigned char hours, minutes, seconds, frames, qframes; 894 char direction; 895 #define MTC_DIR_STOPPED 0 896 #define MTC_DIR_FORWARD 1 897 #define MTC_DIR_BACKWARD -1 898 unsigned char time_code_type; 899 unsigned int flags; 900 } oss_mtc_data_t; 901 902 #define SNDCTL_MIDI_SETMODE __SIOWR('m', 6, int) 903 # define MIDI_MODE_TRADITIONAL 0 904 # define MIDI_MODE_TIMED 1 /* Input times are in MIDI ticks */ 905 # define MIDI_MODE_TIMED_ABS 2 /* Input times are absolute (usecs) */ 906 907 /* 908 * Packet header for MIDI_MODE_TIMED and MIDI_MODE_TIMED_ABS 909 */ 910 typedef unsigned long long oss_midi_time_t; /* Variable type for MIDI time (clock ticks) */ 911 912 typedef struct 913 { 914 int magic; /* Initialize to MIDI_HDR_MAGIC */ 915 #define MIDI_HDR_MAGIC -1 916 unsigned short event_type; 917 #define MIDI_EV_WRITE 0 /* Write or read (with payload) */ 918 #define MIDI_EV_TEMPO 1 919 #define MIDI_EV_ECHO 2 920 #define MIDI_EV_START 3 921 #define MIDI_EV_STOP 4 922 #define MIDI_EV_CONTINUE 5 923 #define MIDI_EV_XPRESSWRITE 6 924 #define MIDI_EV_TIMEBASE 7 925 #define MIDI_EV_DEVCTL 8 /* Device control read/write */ 926 unsigned short options; 927 #define MIDI_OPT_NONE 0x0000 928 #define MIDI_OPT_TIMED 0x0001 929 #define MIDI_OPT_CONTINUATION 0x0002 930 #define MIDI_OPT_USECTIME 0x0004 /* Time is absolute (in usecs) */ 931 #define MIDI_OPT_BUSY 0x0008 /* Reserved for internal use */ 932 oss_midi_time_t time; 933 int parm; 934 int filler[3]; /* Fur future expansion - init to zeros */ 935 } midi_packet_header_t; 936 /* 937 * MIDI_PAYLOAD_SIZE is the maximum size of one MIDI input chunk. It must be 938 * less (or equal) than 1024 which is the read size recommended in the 939 * documentation. TODO: Explain this better. 940 */ 941 #define MIDI_PAYLOAD_SIZE 1000 942 943 typedef struct 944 { 945 midi_packet_header_t hdr; 946 unsigned char payload[MIDI_PAYLOAD_SIZE]; 947 } midi_packet_t; 948 949 #define SNDCTL_MIDI_TIMEBASE __SIOWR('m', 7, int) 950 #define SNDCTL_MIDI_TEMPO __SIOWR('m', 8, int) 951 /* 952 * User land MIDI servers (synths) can use SNDCTL_MIDI_SET_LATENCY 953 * to request MIDI events to be sent to them in advance. The parameter 954 * (in microseconds) tells how much before the events are submitted. 955 * 956 * This feature is only valid for loopback devices and possibly some other 957 * types of virtual devices. 958 */ 959 #define SNDCTL_MIDI_SET_LATENCY __SIOW ('m', 9, int) 960 /* 961 **************************************************************************** 962 * IOCTL commands for /dev/dsp 963 ****************************************************************************/ 964 965 #define SNDCTL_DSP_HALT __SIO ('P', 0) 966 #define SNDCTL_DSP_RESET SNDCTL_DSP_HALT /* Old name */ 967 #define SNDCTL_DSP_SYNC __SIO ('P', 1) 968 #define SNDCTL_DSP_SPEED __SIOWR('P', 2, int) 969 970 /* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */ 971 #define SNDCTL_DSP_STEREO __SIOWR('P', 3, int) 972 /* SNDCTL_DSP_STEREO is obsolete - use SNDCTL_DSP_CHANNELS instead */ 973 974 #define SNDCTL_DSP_GETBLKSIZE __SIOWR('P', 4, int) 975 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 976 #define SNDCTL_DSP_CHANNELS __SIOWR('P', 6, int) 977 #define SNDCTL_DSP_POST __SIO ('P', 8) 978 #define SNDCTL_DSP_SUBDIVIDE __SIOWR('P', 9, int) 979 #define SNDCTL_DSP_SETFRAGMENT __SIOWR('P',10, int) 980 981 /* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 982 #define SNDCTL_DSP_GETFMTS __SIOR ('P',11, int) /* Returns a mask */ 983 #define SNDCTL_DSP_SETFMT __SIOWR('P',5, int) /* Selects ONE fmt */ 984 # define AFMT_QUERY 0x00000000 /* Return current fmt */ 985 # define AFMT_MU_LAW 0x00000001 986 # define AFMT_A_LAW 0x00000002 987 # define AFMT_IMA_ADPCM 0x00000004 988 # define AFMT_U8 0x00000008 989 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16 */ 990 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 991 # define AFMT_S8 0x00000040 992 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 993 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 994 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 995 996 /* AC3 _compressed_ bitstreams (See Programmer's Guide for details). */ 997 # define AFMT_AC3 0x00000400 998 /* Ogg Vorbis _compressed_ bit streams */ 999 # define AFMT_VORBIS 0x00000800 1000 1001 /* 32 bit formats (MSB aligned) formats */ 1002 # define AFMT_S32_LE 0x00001000 1003 # define AFMT_S32_BE 0x00002000 1004 1005 /* Reserved for _native_ endian double precision IEEE floating point */ 1006 # define AFMT_FLOAT 0x00004000 1007 1008 /* 24 bit formats (LSB aligned in 32 bit word) formats */ 1009 # define AFMT_S24_LE 0x00008000 1010 # define AFMT_S24_BE 0x00010000 1011 1012 /* 1013 * S/PDIF raw format. In this format the S/PDIF frames (including all 1014 * control and user bits) are included in the data stream. Each sample 1015 * is stored in a 32 bit frame (see IEC-958 for more info). This format 1016 * is supported by very few devices and it's only usable for purposes 1017 * where full access to the control/user bits is required (real time control). 1018 */ 1019 # define AFMT_SPDIF_RAW 0x00020000 1020 1021 /* 24 bit packed (3 byte) little endian format (USB compatibility) */ 1022 # define AFMT_S24_PACKED 0x00040000 1023 1024 1025 /* 1026 * Some big endian/little endian handling macros (native endian and opposite 1027 * endian formats). The usage of these macros is described in the OSS 1028 * Programmer's Manual. 1029 */ 1030 1031 #if defined(_AIX) || defined(AIX) || defined(sparc) || defined(__hppa) || defined(PPC) || defined(__powerpc__) && !defined(i386) && !defined(__i386) && !defined(__i386__) 1032 1033 /* Big endian machines */ 1034 # define _PATCHKEY(id) (0xfd00|id) 1035 # define AFMT_S16_NE AFMT_S16_BE 1036 # define AFMT_U16_NE AFMT_U16_BE 1037 # define AFMT_S32_NE AFMT_S32_BE 1038 # define AFMT_S24_NE AFMT_S24_BE 1039 # define AFMT_S16_OE AFMT_S16_LE 1040 # define AFMT_S32_OE AFMT_S32_LE 1041 # define AFMT_S24_OE AFMT_S24_LE 1042 #else 1043 # define _PATCHKEY(id) ((id<<8)|0xfd) 1044 # define AFMT_S16_NE AFMT_S16_LE 1045 # define AFMT_U16_NE AFMT_U16_LE 1046 # define AFMT_S32_NE AFMT_S32_LE 1047 # define AFMT_S24_NE AFMT_S24_LE 1048 # define AFMT_S16_OE AFMT_S16_BE 1049 # define AFMT_S32_OE AFMT_S32_BE 1050 # define AFMT_S24_OE AFMT_S24_BE 1051 #endif 1052 /* 1053 * Buffer status queries. 1054 */ 1055 typedef struct audio_buf_info 1056 { 1057 int fragments; /* # of available fragments (partially usend ones not counted) */ 1058 int fragstotal; /* Total # of fragments allocated */ 1059 int fragsize; /* Size of a fragment in bytes */ 1060 int bytes; /* Available space in bytes (includes partially used fragments) */ 1061 /* Note! 'bytes' could be more than fragments*fragsize */ 1062 } audio_buf_info; 1063 1064 #define SNDCTL_DSP_GETOSPACE __SIOR ('P',12, audio_buf_info) 1065 #define SNDCTL_DSP_GETISPACE __SIOR ('P',13, audio_buf_info) 1066 #define SNDCTL_DSP_GETCAPS __SIOR ('P',15, int) 1067 # define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 1068 # define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 1069 # define PCM_CAP_REALTIME 0x00000200 /* Not in use */ 1070 # define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */ 1071 /* internal buffers which may */ 1072 /* cause some delays and */ 1073 /* decrease precision of timing */ 1074 # define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */ 1075 /* Sometimes it's a DSP */ 1076 /* but usually not */ 1077 # define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 1078 # define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */ 1079 # define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */ 1080 # define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */ 1081 # define PCM_CAP_INPUT 0x00010000 /* Supports recording */ 1082 # define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */ 1083 # define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */ 1084 /* 0x00040000 and 0x00080000 reserved for future use */ 1085 1086 /* Analog/digital control capabilities */ 1087 # define PCM_CAP_ANALOGOUT 0x00100000 1088 # define PCM_CAP_ANALOGIN 0x00200000 1089 # define PCM_CAP_DIGITALOUT 0x00400000 1090 # define PCM_CAP_DIGITALIN 0x00800000 1091 # define PCM_CAP_ADMASK 0x00f00000 1092 /* 1093 * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the 1094 * digital/analog interface control features are not supported by the 1095 * device/driver. However the device still supports analog, digital or 1096 * both inputs/outputs (depending on the device). See the OSS Programmer's 1097 * Guide for full details. 1098 */ 1099 # define PCM_CAP_SHADOW 0x01000000 /* "Shadow" device */ 1100 1101 /* 1102 * Preferred channel usage. These bits can be used to 1103 * give recommendations to the application. Used by few drivers. 1104 * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that 1105 * the device works best in mono mode. However it doesn't necessarily mean 1106 * that the device cannot be used in stereo. These bits should only be used 1107 * by special applications such as multi track hard disk recorders to find 1108 * out the initial setup. However the user should be able to override this 1109 * selection. 1110 * 1111 * To find out which modes are actually supported the application should 1112 * try to select them using SNDCTL_DSP_CHANNELS. 1113 */ 1114 # define DSP_CH_MASK 0x06000000 /* Mask */ 1115 # define DSP_CH_ANY 0x00000000 /* No preferred mode */ 1116 # define DSP_CH_MONO 0x02000000 1117 # define DSP_CH_STEREO 0x04000000 1118 # define DSP_CH_MULTI 0x06000000 /* More than two channels */ 1119 1120 # define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */ 1121 # define PCM_CAP_FREERATE 0x10000000 1122 # define PCM_CAP_MODEM 0x20000000 /* Modem device */ 1123 # define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */ 1124 1125 /* 1126 * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0 1127 * so it's necessary to define the older names too. 1128 */ 1129 #define DSP_CAP_ADMASK PCM_CAP_ADMASK 1130 #define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN 1131 #define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT 1132 #define DSP_CAP_BATCH PCM_CAP_BATCH 1133 #define DSP_CAP_BIND PCM_CAP_BIND 1134 #define DSP_CAP_COPROC PCM_CAP_COPROC 1135 #define DSP_CAP_DEFAULT PCM_CAP_DEFAULT 1136 #define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN 1137 #define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT 1138 #define DSP_CAP_DUPLEX PCM_CAP_DUPLEX 1139 #define DSP_CAP_FREERATE PCM_CAP_FREERATE 1140 #define DSP_CAP_HIDDEN PCM_CAP_HIDDEN 1141 #define DSP_CAP_INPUT PCM_CAP_INPUT 1142 #define DSP_CAP_MMAP PCM_CAP_MMAP 1143 #define DSP_CAP_MODEM PCM_CAP_MODEM 1144 #define DSP_CAP_MULTI PCM_CAP_MULTI 1145 #define DSP_CAP_OUTPUT PCM_CAP_OUTPUT 1146 #define DSP_CAP_REALTIME PCM_CAP_REALTIME 1147 #define DSP_CAP_REVISION PCM_CAP_REVISION 1148 #define DSP_CAP_SHADOW PCM_CAP_SHADOW 1149 #define DSP_CAP_TRIGGER PCM_CAP_TRIGGER 1150 #define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL 1151 1152 #define SNDCTL_DSP_GETTRIGGER __SIOR ('P',16, int) 1153 #define SNDCTL_DSP_SETTRIGGER __SIOW ('P',16, int) 1154 # define PCM_ENABLE_INPUT 0x00000001 1155 # define PCM_ENABLE_OUTPUT 0x00000002 1156 1157 typedef struct count_info 1158 { 1159 unsigned int bytes; /* Total # of bytes processed */ 1160 int blocks; /* # of fragment transitions since last time */ 1161 int ptr; /* Current DMA pointer value */ 1162 } count_info; 1163 1164 #define SNDCTL_DSP_GETIPTR __SIOR ('P',17, count_info) 1165 #define SNDCTL_DSP_GETOPTR __SIOR ('P',18, count_info) 1166 1167 typedef struct buffmem_desc 1168 { 1169 unsigned *buffer; 1170 int size; 1171 } buffmem_desc; 1172 #define SNDCTL_DSP_SETSYNCRO __SIO ('P', 21) 1173 #define SNDCTL_DSP_SETDUPLEX __SIO ('P', 22) 1174 1175 #define SNDCTL_DSP_PROFILE __SIOW ('P', 23, int) /* OBSOLETE */ 1176 #define APF_NORMAL 0 /* Normal applications */ 1177 #define APF_NETWORK 1 /* Underruns probably caused by an "external" delay */ 1178 #define APF_CPUINTENS 2 /* Underruns probably caused by "overheating" the CPU */ 1179 1180 #define SNDCTL_DSP_GETODELAY __SIOR ('P', 23, int) 1181 1182 typedef struct audio_errinfo 1183 { 1184 int play_underruns; 1185 int rec_overruns; 1186 unsigned int play_ptradjust; 1187 unsigned int rec_ptradjust; 1188 int play_errorcount; 1189 int rec_errorcount; 1190 int play_lasterror; 1191 int rec_lasterror; 1192 int play_errorparm; 1193 int rec_errorparm; 1194 int filler[16]; 1195 } audio_errinfo; 1196 1197 #define SNDCTL_DSP_GETPLAYVOL __SIOR ('P', 24, int) 1198 #define SNDCTL_DSP_SETPLAYVOL __SIOWR('P', 24, int) 1199 #define SNDCTL_DSP_GETERROR __SIOR ('P', 25, audio_errinfo) 1200 /* 1201 **************************************************************************** 1202 * Digital interface (S/PDIF) control interface 1203 */ 1204 1205 typedef struct oss_digital_control 1206 { 1207 unsigned int caps; 1208 #define DIG_CBITIN_NONE 0x00000000 1209 #define DIG_CBITIN_LIMITED 0x00000001 1210 #define DIG_CBITIN_DATA 0x00000002 1211 #define DIG_CBITIN_BYTE0 0x00000004 1212 #define DIG_CBITIN_FULL 0x00000008 1213 #define DIG_CBITIN_MASK 0x0000000f 1214 #define DIG_CBITOUT_NONE 0x00000000 1215 #define DIG_CBITOUT_LIMITED 0x00000010 1216 #define DIG_CBITOUT_BYTE0 0x00000020 1217 #define DIG_CBITOUT_FULL 0x00000040 1218 #define DIG_CBITOUT_DATA 0x00000080 1219 #define DIG_CBITOUT_MASK 0x000000f0 1220 #define DIG_UBITIN 0x00000100 1221 #define DIG_UBITOUT 0x00000200 1222 #define DIG_VBITOUT 0x00000400 1223 #define DIG_OUTRATE 0x00000800 1224 #define DIG_INRATE 0x00001000 1225 #define DIG_INBITS 0x00002000 1226 #define DIG_OUTBITS 0x00004000 1227 #define DIG_EXACT 0x00010000 1228 #define DIG_PRO 0x00020000 1229 #define DIG_CONSUMER 0x00040000 1230 #define DIG_PASSTHROUGH 0x00080000 1231 #define DIG_OUTSEL 0x00100000 1232 1233 unsigned int valid; 1234 #define VAL_CBITIN 0x00000001 1235 #define VAL_UBITIN 0x00000002 1236 #define VAL_CBITOUT 0x00000004 1237 #define VAL_UBITOUT 0x00000008 1238 #define VAL_ISTATUS 0x00000010 1239 #define VAL_IRATE 0x00000020 1240 #define VAL_ORATE 0x00000040 1241 #define VAL_INBITS 0x00000080 1242 #define VAL_OUTBITS 0x00000100 1243 #define VAL_REQUEST 0x00000200 1244 #define VAL_OUTSEL 0x00000400 1245 1246 #define VAL_OUTMASK (VAL_CBITOUT|VAL_UBITOUT|VAL_ORATE|VAL_OUTBITS|VAL_OUTSEL) 1247 1248 unsigned int request, param; 1249 #define SPD_RQ_PASSTHROUGH 1 1250 1251 unsigned char cbitin[24]; 1252 unsigned char ubitin[24]; 1253 unsigned char cbitout[24]; 1254 unsigned char ubitout[24]; 1255 1256 unsigned int outsel; 1257 #define OUTSEL_DIGITAL 1 1258 #define OUTSEL_ANALOG 2 1259 #define OUTSEL_BOTH (OUTSEL_DIGITAL|OUTSEL_ANALOG) 1260 1261 int in_data; /* Audio/data if autodetectable by the receiver */ 1262 #define IND_UNKNOWN 0 1263 #define IND_AUDIO 1 1264 #define IND_DATA 2 1265 1266 int in_locked; /* Receiver locked */ 1267 #define LOCK_NOT_INDICATED 0 1268 #define LOCK_UNLOCKED 1 1269 #define LOCK_LOCKED 2 1270 1271 int in_quality; /* Input signal quality */ 1272 #define IN_QUAL_NOT_INDICATED 0 1273 #define IN_QUAL_POOR 1 1274 #define IN_QUAL_GOOD 2 1275 1276 int in_vbit, out_vbit; /* V bits */ 1277 #define VBIT_NOT_INDICATED 0 1278 #define VBIT_OFF 1 1279 #define VBIT_ON 2 1280 1281 unsigned int in_errors; /* Various input error conditions */ 1282 #define INERR_CRC 0x0001 1283 #define INERR_QCODE_CRC 0x0002 1284 #define INERR_PARITY 0x0004 1285 #define INERR_BIPHASE 0x0008 1286 1287 int srate_in, srate_out; 1288 int bits_in, bits_out; 1289 1290 int filler[32]; 1291 } oss_digital_control; 1292 1293 #define SNDCTL_DSP_READCTL __SIOWR('P', 26, oss_digital_control) 1294 #define SNDCTL_DSP_WRITECTL __SIOWR('P', 27, oss_digital_control) 1295 1296 /* 1297 **************************************************************************** 1298 * Sync groups for audio devices 1299 */ 1300 typedef struct oss_syncgroup 1301 { 1302 int id; 1303 int mode; 1304 int filler[16]; 1305 } oss_syncgroup; 1306 1307 #define SNDCTL_DSP_SYNCGROUP __SIOWR('P', 28, oss_syncgroup) 1308 #define SNDCTL_DSP_SYNCSTART __SIOW ('P', 29, int) 1309 1310 /* 1311 ************************************************************************** 1312 * "cooked" mode enables software based conversions for sample rate, sample 1313 * format (bits) and number of channels (mono/stereo). These conversions are 1314 * required with some devices that support only one sample rate or just stereo 1315 * to let the applications to use other formats. The cooked mode is enabled by 1316 * default. However it's necessary to disable this mode when mmap() is used or 1317 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an 1318 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_ 1319 * since normally this call will return erno=EINVAL. 1320 * 1321 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing 1322 * anything else. Otherwise the call will not have any effect. 1323 */ 1324 #define SNDCTL_DSP_COOKEDMODE __SIOW ('P', 30, int) 1325 1326 /* 1327 ************************************************************************** 1328 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0 1329 * that can be used to implement pause/continue during playback (no effect 1330 * on recording). 1331 */ 1332 #define SNDCTL_DSP_SILENCE __SIO ('P', 31) 1333 #define SNDCTL_DSP_SKIP __SIO ('P', 32) 1334 /* 1335 **************************************************************************** 1336 * Abort transfer (reset) functions for input and output 1337 */ 1338 #define SNDCTL_DSP_HALT_INPUT __SIO ('P', 33) 1339 #define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */ 1340 #define SNDCTL_DSP_HALT_OUTPUT __SIO ('P', 34) 1341 #define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */ 1342 /* 1343 **************************************************************************** 1344 * Low water level control 1345 */ 1346 #define SNDCTL_DSP_LOW_WATER __SIOW ('P', 34, int) 1347 1348 /* 1349 **************************************************************************** 1350 * 64 bit pointer support. Only available in environments that support 1351 * the 64 bit (long long) integer type. 1352 */ 1353 #ifndef OSS_NO_LONG_LONG 1354 typedef struct 1355 { 1356 long long samples; 1357 int fifo_samples; 1358 int filler[32]; /* For future use */ 1359 } oss_count_t; 1360 1361 #define SNDCTL_DSP_CURRENT_IPTR __SIOR ('P', 35, oss_count_t) 1362 #define SNDCTL_DSP_CURRENT_OPTR __SIOR ('P', 36, oss_count_t) 1363 #endif 1364 1365 /* 1366 **************************************************************************** 1367 * Interface for selecting recording sources and playback output routings. 1368 */ 1369 #define SNDCTL_DSP_GET_RECSRC_NAMES __SIOR ('P', 37, oss_mixer_enuminfo) 1370 #define SNDCTL_DSP_GET_RECSRC __SIOR ('P', 38, int) 1371 #define SNDCTL_DSP_SET_RECSRC __SIOWR('P', 38, int) 1372 1373 #define SNDCTL_DSP_GET_PLAYTGT_NAMES __SIOR ('P', 39, oss_mixer_enuminfo) 1374 #define SNDCTL_DSP_GET_PLAYTGT __SIOR ('P', 40, int) 1375 #define SNDCTL_DSP_SET_PLAYTGT __SIOWR('P', 40, int) 1376 #define SNDCTL_DSP_GETRECVOL __SIOR ('P', 41, int) 1377 #define SNDCTL_DSP_SETRECVOL __SIOWR('P', 41, int) 1378 1379 /* 1380 *************************************************************************** 1381 * Some calls for setting the channel assignment with multi channel devices 1382 * (see the manual for details). 1383 */ 1384 #ifndef OSS_NO_LONG_LONG 1385 #define SNDCTL_DSP_GET_CHNORDER __SIOR ('P', 42, unsigned long long) 1386 #define SNDCTL_DSP_SET_CHNORDER __SIOWR('P', 42, unsigned long long) 1387 # define CHID_UNDEF 0 1388 # define CHID_L 1 1389 # define CHID_R 2 1390 # define CHID_C 3 1391 # define CHID_LFE 4 1392 # define CHID_LS 5 1393 # define CHID_RS 6 1394 # define CHID_LR 7 1395 # define CHID_RR 8 1396 #define CHNORDER_UNDEF 0x0000000000000000ULL 1397 #define CHNORDER_NORMAL 0x0000000087654321ULL 1398 #endif 1399 1400 #define MAX_PEAK_CHANNELS 128 1401 typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS]; 1402 #define SNDCTL_DSP_GETIPEAKS __SIOR('P', 43, oss_peaks_t) 1403 #define SNDCTL_DSP_GETOPEAKS __SIOR('P', 44, oss_peaks_t) 1404 1405 #define SNDCTL_DSP_POLICY __SIOW('P', 45, int) /* See the manual */ 1406 1407 /* 1408 **************************************************************************** 1409 * Few ioctl calls that are not official parts of OSS. They have been used 1410 * by few freeware implementations of OSS. 1411 */ 1412 #define SNDCTL_DSP_GETCHANNELMASK __SIOWR('P', 64, int) 1413 #define SNDCTL_DSP_BIND_CHANNEL __SIOWR('P', 65, int) 1414 # define DSP_BIND_QUERY 0x00000000 1415 # define DSP_BIND_FRONT 0x00000001 1416 # define DSP_BIND_SURR 0x00000002 1417 # define DSP_BIND_CENTER_LFE 0x00000004 1418 # define DSP_BIND_HANDSET 0x00000008 1419 # define DSP_BIND_MIC 0x00000010 1420 # define DSP_BIND_MODEM1 0x00000020 1421 # define DSP_BIND_MODEM2 0x00000040 1422 # define DSP_BIND_I2S 0x00000080 1423 # define DSP_BIND_SPDIF 0x00000100 1424 # define DSP_BIND_REAR 0x00000200 1425 1426 #ifdef sun 1427 /* Not part of OSS. Reserved for internal use by Solaris */ 1428 #define X_SADA_GET_PLAYTGT_MASK __SIOR ('P', 66, int) 1429 #define X_SADA_GET_PLAYTGT __SIOR ('P', 67, int) 1430 #define X_SADA_SET_PLAYTGT __SIOWR('P', 68, int) 1431 #endif 1432 1433 #ifndef NO_LEGACY_MIXER 1434 /* 1435 **************************************************************************** 1436 * IOCTL commands for the "legacy " /dev/mixer API (obsolete) 1437 * 1438 * Mixer controls 1439 * 1440 * There can be up to 20 different analog mixer channels. The 1441 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 1442 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 1443 * the devices supported by the particular mixer. 1444 * 1445 * {!notice This "legacy" mixer API is obsolete. It has been superceded 1446 * by a new one (see below). 1447 */ 1448 1449 #define SOUND_MIXER_NRDEVICES 28 1450 #define SOUND_MIXER_VOLUME 0 1451 #define SOUND_MIXER_BASS 1 1452 #define SOUND_MIXER_TREBLE 2 1453 #define SOUND_MIXER_SYNTH 3 1454 #define SOUND_MIXER_PCM 4 1455 #define SOUND_MIXER_SPEAKER 5 1456 #define SOUND_MIXER_LINE 6 1457 #define SOUND_MIXER_MIC 7 1458 #define SOUND_MIXER_CD 8 1459 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 1460 #define SOUND_MIXER_ALTPCM 10 1461 #define SOUND_MIXER_RECLEV 11 /* Recording level */ 1462 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 1463 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 1464 /* 1465 * Some soundcards have three line level inputs (line, aux1 and aux2). 1466 * Since each card manufacturer has assigned different meanings to 1467 * these inputs, it's impractical to assign specific meanings 1468 * (eg line, cd, synth etc.) to them. 1469 */ 1470 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 1471 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 1472 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 1473 #define SOUND_MIXER_DIGITAL1 17 /* Digital I/O 1 */ 1474 #define SOUND_MIXER_DIGITAL2 18 /* Digital I/O 2 */ 1475 #define SOUND_MIXER_DIGITAL3 19 /* Digital I/O 3 */ 1476 #define SOUND_MIXER_PHONE 20 /* Phone */ 1477 #define SOUND_MIXER_MONO 21 /* Mono Output */ 1478 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 1479 #define SOUND_MIXER_RADIO 23 /* Radio in */ 1480 #define SOUND_MIXER_DEPTH 24 /* Surround depth */ 1481 #define SOUND_MIXER_REARVOL 25 /* Rear/Surround speaker vol */ 1482 #define SOUND_MIXER_CENTERVOL 26 /* Center/LFE speaker vol */ 1483 #define SOUND_MIXER_SIDEVOL 27 /* Side-Surround (8speaker) vol */ 1484 1485 /* 1486 * Warning: SOUND_MIXER_SURRVOL is an old name of SOUND_MIXER_SIDEVOL. 1487 * They are both assigned to the same mixer control. Don't 1488 * use both control names in the same program/driver. 1489 */ 1490 #define SOUND_MIXER_SURRVOL SOUND_MIXER_SIDEVOL 1491 1492 /* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 1493 /* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 1494 #define SOUND_ONOFF_MIN 28 1495 #define SOUND_ONOFF_MAX 30 1496 1497 /* Note! Number 31 cannot be used since the sign bit is reserved */ 1498 #define SOUND_MIXER_NONE 31 1499 1500 /* 1501 * The following unsupported macros are no longer functional. 1502 * Use SOUND_MIXER_PRIVATE# macros in future. 1503 */ 1504 #define SOUND_MIXER_ENHANCE SOUND_MIXER_NONE 1505 #define SOUND_MIXER_MUTE SOUND_MIXER_NONE 1506 #define SOUND_MIXER_LOUD SOUND_MIXER_NONE 1507 1508 #define SOUND_DEVICE_LABELS \ 1509 {"Vol ", "Bass ", "Treble", "Synth", "Pcm ", "Speaker ", "Line ", \ 1510 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 1511 "Aux1", "Aux2", "Aux3", "Digital1", "Digital2", "Digital3", \ 1512 "Phone", "Mono", "Video", "Radio", "Depth", \ 1513 "Rear", "Center", "Side"} 1514 1515 #define SOUND_DEVICE_NAMES \ 1516 {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 1517 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 1518 "aux1", "aux2", "aux3", "dig1", "dig2", "dig3", \ 1519 "phone", "mono", "video", "radio", "depth", \ 1520 "rear", "center", "side"} 1521 1522 /* Device bitmask identifiers */ 1523 1524 #define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 1525 #define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 1526 #define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 1527 #define SOUND_MIXER_CAPS 0xfc 1528 # define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 1529 # define SOUND_CAP_NOLEGACY 0x00000004 /* For internal use only */ 1530 # define SOUND_CAP_NORECSRC 0x00000008 1531 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 1532 1533 /* OSS/Free ONLY */ 1534 #define SOUND_MIXER_OUTSRC 0xfa /* Arg contains a bit for each input source to output */ 1535 #define SOUND_MIXER_OUTMASK 0xf9 /* Arg contains a bit for each supported input source to output */ 1536 /* OSS/Free ONLY */ 1537 1538 /* Device mask bits */ 1539 1540 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 1541 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 1542 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 1543 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 1544 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 1545 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 1546 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 1547 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 1548 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 1549 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 1550 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 1551 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 1552 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 1553 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 1554 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 1555 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 1556 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1557 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1558 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1559 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1560 #define SOUND_MASK_MONO (1 << SOUND_MIXER_MONO) 1561 #define SOUND_MASK_PHONE (1 << SOUND_MIXER_PHONE) 1562 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1563 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1564 #define SOUND_MASK_DEPTH (1 << SOUND_MIXER_DEPTH) 1565 #define SOUND_MASK_REARVOL (1 << SOUND_MIXER_REARVOL) 1566 #define SOUND_MASK_CENTERVOL (1 << SOUND_MIXER_CENTERVOL) 1567 #define SOUND_MASK_SIDEVOL (1 << SOUND_MIXER_SIDEVOL) 1568 1569 /* Note! SOUND_MASK_SURRVOL is alias of SOUND_MASK_SIDEVOL */ 1570 #define SOUND_MASK_SURRVOL (1 << SOUND_MIXER_SIDEVOL) 1571 1572 /* Obsolete macros */ 1573 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1574 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1575 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1576 1577 #define MIXER_READ(dev) __SIOR('M', dev, int) 1578 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1579 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1580 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1581 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1582 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1583 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1584 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1585 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1586 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1587 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1588 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1589 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1590 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1591 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1592 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1593 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1594 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1595 1596 /* Obsolete macros */ 1597 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1598 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1599 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1600 1601 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1602 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1603 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1604 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1605 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1606 1607 #define MIXER_WRITE(dev) __SIOWR('M', dev, int) 1608 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1609 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1610 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1611 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1612 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1613 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1614 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1615 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1616 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1617 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1618 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1619 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1620 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1621 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1622 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1623 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1624 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1625 1626 /* Obsolete macros */ 1627 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1628 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1629 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1630 1631 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1632 1633 typedef struct mixer_info /* OBSOLETE */ 1634 { 1635 char id[16]; 1636 char name[32]; 1637 int modify_counter; 1638 int card_number; 1639 int port_number; 1640 char handle[32]; 1641 } mixer_info; 1642 1643 /* SOUND_MIXER_INFO is obsolete - use SNDCTL_MIXERINFO instead */ 1644 #define SOUND_MIXER_INFO __SIOR ('M', 101, mixer_info) 1645 1646 /* 1647 * Two ioctls for special souncard function (OSS/Free only) 1648 */ 1649 #define SOUND_MIXER_AGC _SIOWR('M', 103, int) 1650 #define SOUND_MIXER_3DSE _SIOWR('M', 104, int) 1651 /* 1652 * The SOUND_MIXER_PRIVATE# commands can be redefined by low level drivers. 1653 * These features can be used when accessing device specific features. 1654 */ 1655 #define SOUND_MIXER_PRIVATE1 __SIOWR('M', 111, int) 1656 #define SOUND_MIXER_PRIVATE2 __SIOWR('M', 112, int) 1657 #define SOUND_MIXER_PRIVATE3 __SIOWR('M', 113, int) 1658 #define SOUND_MIXER_PRIVATE4 __SIOWR('M', 114, int) 1659 #define SOUND_MIXER_PRIVATE5 __SIOWR('M', 115, int) 1660 1661 /* The following two controls were never implemented and they should not be used. */ 1662 #define SOUND_MIXER_READ_MAINVOL __SIOR ('M', 116, int) 1663 #define SOUND_MIXER_WRITE_MAINVOL __SIOWR('M', 116, int) 1664 1665 /* 1666 * SOUND_MIXER_GETLEVELS and SOUND_MIXER_SETLEVELS calls can be used 1667 * for querying current mixer settings from the driver and for loading 1668 * default volume settings _prior_ activating the mixer (loading 1669 * doesn't affect current state of the mixer hardware). These calls 1670 * are for internal use by the driver software only. 1671 */ 1672 1673 typedef struct mixer_vol_table 1674 { 1675 int num; /* Index to volume table */ 1676 char name[32]; 1677 int levels[32]; 1678 } mixer_vol_table; 1679 1680 #define SOUND_MIXER_GETLEVELS __SIOWR('M', 116, mixer_vol_table) 1681 #define SOUND_MIXER_SETLEVELS __SIOWR('M', 117, mixer_vol_table) 1682 1683 #define OSS_GETVERSION __SIOR ('M', 118, int) 1684 1685 /* 1686 * Calls to set/get the recording gain for the currently active 1687 * recording source. These calls automatically map to the right control. 1688 * Note that these calls are not supported by all drivers. In this case 1689 * the call will return -1 with errno set to EINVAL 1690 * 1691 * The _MONGAIN work in similar way but set/get the monitoring gain for 1692 * the currently selected recording source. 1693 */ 1694 #define SOUND_MIXER_READ_RECGAIN __SIOR ('M', 119, int) 1695 #define SOUND_MIXER_WRITE_RECGAIN __SIOWR('M', 119, int) 1696 #define SOUND_MIXER_READ_MONGAIN __SIOR ('M', 120, int) 1697 #define SOUND_MIXER_WRITE_MONGAIN __SIOWR('M', 120, int) 1698 1699 /* The following call is for driver development time purposes. It's not 1700 * present in any released drivers. 1701 */ 1702 typedef unsigned char oss_reserved_t[512]; 1703 #define SOUND_MIXER_RESERVED __SIOWR('M', 121, oss_reserved_t) 1704 #endif /* ifndef NO_LEGACY_MIXER */ 1705 1706 /* 1707 ************************************************************************* 1708 * The "new" mixer API of OSS 4.0 and later. 1709 * 1710 * This improved mixer API makes it possible to access every possible feature 1711 * of every possible device. However you should read the mixer programming 1712 * section of the OSS API Developer's Manual. There is no chance that you 1713 * could use this interface correctly just by examining this header. 1714 */ 1715 1716 typedef struct oss_sysinfo 1717 { 1718 char product[32]; /* For example OSS/Free, OSS/Linux or OSS/Solaris */ 1719 char version[32]; /* For example 4.0a */ 1720 int versionnum; /* See OSS_GETVERSION */ 1721 char options[128]; /* Reserved */ 1722 1723 int numaudios; /* # of audio/dsp devices */ 1724 int openedaudio[8]; /* Bit mask telling which audio devices are busy */ 1725 1726 int numsynths; /* # of availavle synth devices */ 1727 int nummidis; /* # of available MIDI ports */ 1728 int numtimers; /* # of available timer devices */ 1729 int nummixers; /* # of mixer devices */ 1730 1731 int openedmidi[8]; /* Bit mask telling which midi devices are busy */ 1732 int numcards; /* Number of sound cards in the system */ 1733 int numaudioengines; /* Number of audio engines in the system */ 1734 char license[16]; /* For example "GPL" or "CDDL" */ 1735 int filler[236]; /* For future expansion (set to -1) */ 1736 } oss_sysinfo; 1737 1738 typedef struct oss_mixext 1739 { 1740 int dev; /* Mixer device number */ 1741 int ctrl; /* Controller number */ 1742 int type; /* Entry type */ 1743 # define MIXT_DEVROOT 0 /* Device root entry */ 1744 # define MIXT_GROUP 1 /* Controller group */ 1745 # define MIXT_ONOFF 2 /* OFF (0) or ON (1) */ 1746 # define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */ 1747 # define MIXT_MONOSLIDER 4 /* Mono slider (0 to 255) */ 1748 # define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 255) */ 1749 # define MIXT_MESSAGE 6 /* (Readable) textual message */ 1750 # define MIXT_MONOVU 7 /* VU meter value (mono) */ 1751 # define MIXT_STEREOVU 8 /* VU meter value (stereo) */ 1752 # define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */ 1753 # define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */ 1754 # define MIXT_RADIOGROUP 11 /* Radio button group */ 1755 # define MIXT_MARKER 12 /* Separator between normal and extension entries */ 1756 # define MIXT_VALUE 13 /* Decimal value entry */ 1757 # define MIXT_HEXVALUE 14 /* Hexadecimal value entry */ 1758 # define MIXT_MONODB 15 /* OBSOLETE */ 1759 # define MIXT_STEREODB 16 /* OBSOLETE */ 1760 # define MIXT_SLIDER 17 /* Slider (mono) with full (31 bit) postitive integer range */ 1761 # define MIXT_3D 18 1762 1763 /* 1764 * Sliders with range expanded to 15 bits per channel (0-32767) 1765 */ 1766 # define MIXT_MONOSLIDER16 19 1767 # define MIXT_STEREOSLIDER16 20 1768 # define MIXT_MUTE 21 /* Mute=1, unmute=0 */ 1769 1770 /**************************************************************/ 1771 1772 /* Possible value range (minvalue to maxvalue) */ 1773 /* Note that maxvalue may also be smaller than minvalue */ 1774 int maxvalue; 1775 int minvalue; 1776 1777 int flags; 1778 # define MIXF_READABLE 0x00000001 /* Has readable value */ 1779 # define MIXF_WRITEABLE 0x00000002 /* Has writeable value */ 1780 # define MIXF_POLL 0x00000004 /* May change itself */ 1781 # define MIXF_HZ 0x00000008 /* Herz scale */ 1782 # define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */ 1783 # define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */ 1784 # define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */ 1785 # define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */ 1786 # define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */ 1787 # define MIXF_CENTIBEL 0x00000100 /* Centibel (0.1 dB) step size */ 1788 # define MIXF_DECIBEL 0x00000200 /* Step size of 1 dB */ 1789 # define MIXF_MAINVOL 0x00000400 /* Main volume control */ 1790 # define MIXF_PCMVOL 0x00000800 /* PCM output volume control */ 1791 # define MIXF_RECVOL 0x00001000 /* PCM recording volume control */ 1792 # define MIXF_MONVOL 0x00002000 /* Input->output monitor volume */ 1793 # define MIXF_WIDE 0x00004000 /* Enum control has wide labels */ 1794 # define MIXF_DESCR 0x00008000 /* Description (tooltip) available */ 1795 char id[16]; /* Mnemonic ID (mainly for internal use) */ 1796 int parent; /* Entry# of parent (group) node (-1 if root) */ 1797 1798 int dummy; /* Internal use */ 1799 1800 int timestamp; 1801 1802 char data[64]; /* Misc data (entry type dependent) */ 1803 unsigned char enum_present[32]; /* Mask of allowed enum values */ 1804 int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */ 1805 /* (-1 means not indicated) */ 1806 1807 /* 1808 * The desc field is reserved for internal purposes of OSS. It should not be 1809 * used by applications. 1810 */ 1811 unsigned int desc; 1812 #define MIXEXT_SCOPE_MASK 0x0000003f 1813 #define MIXEXT_SCOPE_OTHER 0x00000000 1814 #define MIXEXT_SCOPE_INPUT 0x00000001 1815 #define MIXEXT_SCOPE_OUTPUT 0x00000002 1816 #define MIXEXT_SCOPE_MONITOR 0x00000003 1817 #define MIXEXT_SCOPE_RECSWITCH 0x00000004 1818 1819 char extname[32]; 1820 int update_counter; 1821 int rgbcolor; /* 0 means default color (not black) . Otherwise 24 bit RGB color */ 1822 int filler[6]; 1823 } oss_mixext; 1824 1825 /* 1826 * Recommended colors to be used in the rgbcolor field. These match the 1827 * colors used as the audio jack colors in HD audio motherboards. 1828 */ 1829 #define OSS_RGB_BLUE 0x7aabde // Light blue 1830 #define OSS_RGB_GREEN 0xb3c98c // Lime green 1831 #define OSS_RGB_PINK 0xe88c99 1832 #define OSS_RGB_GRAY 0xd1ccc4 1833 #define OSS_RGB_BLACK 0x2b2926 // Light black 1834 #define OSS_RGB_ORANGE 0xe89e47 1835 #define OSS_RGB_RED 0xff0000 1836 #define OSS_RGB_YELLOW 0xffff00 1837 #define OSS_RGB_PURPLE 0x800080 1838 #define OSS_RGB_WHITE 0xf8f8ff 1839 1840 typedef struct oss_mixext_root 1841 { 1842 char id[16]; 1843 char name[48]; 1844 } oss_mixext_root; 1845 1846 typedef struct oss_mixer_value 1847 { 1848 int dev; 1849 int ctrl; 1850 int value; 1851 int flags; /* Reserved for future use. Initialize to 0 */ 1852 int timestamp; /* Must be set to oss_mixext.timestamp */ 1853 int filler[8]; /* Reserved for future use. Initialize to 0 */ 1854 } oss_mixer_value; 1855 1856 #define OSS_ENUM_MAXVALUE 255 1857 #define OSS_ENUM_STRINGSIZE 3000 1858 typedef struct oss_mixer_enuminfo 1859 { 1860 int dev; 1861 int ctrl; 1862 int nvalues; 1863 int version; /* Read the manual */ 1864 short strindex[OSS_ENUM_MAXVALUE]; 1865 char strings[OSS_ENUM_STRINGSIZE]; 1866 } oss_mixer_enuminfo; 1867 1868 #define OPEN_READ PCM_ENABLE_INPUT 1869 #define OPEN_WRITE PCM_ENABLE_OUTPUT 1870 #define OPEN_READWRITE (OPEN_READ|OPEN_WRITE) 1871 1872 typedef struct oss_audioinfo 1873 { 1874 int dev; /* Audio device number */ 1875 char name[64]; 1876 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1877 int pid; 1878 int caps; /* PCM_CAP_INPUT, PCM_CAP_OUTPUT */ 1879 int iformats, oformats; 1880 int magic; /* Reserved for internal use */ 1881 char cmd[64]; /* Command using the device (if known) */ 1882 int card_number; 1883 int port_number; 1884 int mixer_dev; 1885 int legacy_device; /* Obsolete field. Replaced by devnode */ 1886 int enabled; /* 1=enabled, 0=device not ready at this moment */ 1887 int flags; /* For internal use only - no practical meaning */ 1888 int min_rate, max_rate; /* Sample rate limits */ 1889 int min_channels, max_channels; /* Number of channels supported */ 1890 int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */ 1891 int rate_source; 1892 char handle[32]; 1893 #define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */ 1894 unsigned int nrates, rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */ 1895 oss_longname_t song_name; /* Song name (if given) */ 1896 oss_label_t label; /* Device label (if given) */ 1897 int latency; /* In usecs, -1=unknown */ 1898 oss_devnode_t devnode; /* Device special file name (absolute path) */ 1899 int next_play_engine; /* Read the documentation for more info */ 1900 int next_rec_engine; /* Read the documentation for more info */ 1901 int filler[184]; 1902 } oss_audioinfo; 1903 1904 typedef struct oss_mixerinfo 1905 { 1906 int dev; 1907 char id[16]; 1908 char name[32]; 1909 int modify_counter; 1910 int card_number; 1911 int port_number; 1912 char handle[32]; 1913 int magic; /* Reserved */ 1914 int enabled; /* Reserved */ 1915 int caps; 1916 #define MIXER_CAP_VIRTUAL 0x00000001 1917 #define MIXER_CAP_LAYOUT_B 0x00000002 /* For internal use only */ 1918 #define MIXER_CAP_NARROW 0x00000004 /* Conserve horiz space */ 1919 int flags; /* Reserved */ 1920 int nrext; 1921 /* 1922 * The priority field can be used to select the default (motherboard) 1923 * mixer device. The mixer with the highest priority is the 1924 * most preferred one. -2 or less means that this device cannot be used 1925 * as the default mixer. 1926 */ 1927 int priority; 1928 oss_devnode_t devnode; /* Device special file name (absolute path) */ 1929 int legacy_device; 1930 int filler[245]; /* Reserved */ 1931 } oss_mixerinfo; 1932 1933 typedef struct oss_midi_info 1934 { 1935 int dev; /* Midi device number */ 1936 char name[64]; 1937 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1938 int pid; 1939 char cmd[64]; /* Command using the device (if known) */ 1940 int caps; 1941 #define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/ 1942 #define MIDI_CAP_INPUT 0x00000002 1943 #define MIDI_CAP_OUTPUT 0x00000004 1944 #define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT) 1945 #define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */ 1946 #define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */ 1947 #define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */ 1948 #define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */ 1949 #define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */ 1950 #define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */ 1951 #define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */ 1952 #define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */ 1953 int magic; /* Reserved for internal use */ 1954 int card_number; 1955 int port_number; 1956 int enabled; /* 1=enabled, 0=device not ready at this moment */ 1957 int flags; /* For internal use only - no practical meaning */ 1958 char handle[32]; 1959 oss_longname_t song_name; /* Song name (if known) */ 1960 oss_label_t label; /* Device label (if given) */ 1961 int latency; /* In usecs, -1=unknown */ 1962 oss_devnode_t devnode; /* Device special file name (absolute path) */ 1963 int legacy_device; /* Legacy device mapping */ 1964 int filler[235]; 1965 } oss_midi_info; 1966 1967 typedef struct oss_card_info 1968 { 1969 int card; 1970 char shortname[16]; 1971 char longname[128]; 1972 int flags; 1973 char hw_info[400]; 1974 int intr_count, ack_count; 1975 int filler[154]; 1976 } oss_card_info; 1977 1978 #define SNDCTL_SYSINFO __SIOR ('X', 1, oss_sysinfo) 1979 #define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */ 1980 1981 #define SNDCTL_MIX_NRMIX __SIOR ('X', 2, int) 1982 #define SNDCTL_MIX_NREXT __SIOWR('X', 3, int) 1983 #define SNDCTL_MIX_EXTINFO __SIOWR('X', 4, oss_mixext) 1984 #define SNDCTL_MIX_READ __SIOWR('X', 5, oss_mixer_value) 1985 #define SNDCTL_MIX_WRITE __SIOWR('X', 6, oss_mixer_value) 1986 1987 #define SNDCTL_AUDIOINFO __SIOWR('X', 7, oss_audioinfo) 1988 #define SNDCTL_MIX_ENUMINFO __SIOWR('X', 8, oss_mixer_enuminfo) 1989 #define SNDCTL_MIDIINFO __SIOWR('X', 9, oss_midi_info) 1990 #define SNDCTL_MIXERINFO __SIOWR('X',10, oss_mixerinfo) 1991 #define SNDCTL_CARDINFO __SIOWR('X',11, oss_card_info) 1992 #define SNDCTL_ENGINEINFO __SIOWR('X',12, oss_audioinfo) 1993 #define SNDCTL_AUDIOINFO_EX __SIOWR('X',13, oss_audioinfo) 1994 1995 #define SNDCTL_MIX_DESCRIPTION __SIOWR('X',14, oss_mixer_enuminfo) 1996 1997 /* ioctl codes 'X', 200-255 are reserved for internal use */ 1998 1999 /* 2000 * Few more "globally" available ioctl calls. 2001 */ 2002 #define SNDCTL_SETSONG __SIOW ('Y', 2, oss_longname_t) 2003 #define SNDCTL_GETSONG __SIOR ('Y', 2, oss_longname_t) 2004 #define SNDCTL_SETNAME __SIOW ('Y', 3, oss_longname_t) 2005 #define SNDCTL_SETLABEL __SIOW ('Y', 4, oss_label_t) 2006 #define SNDCTL_GETLABEL __SIOR ('Y', 4, oss_label_t) 2007 /* 2008 * The "new" mixer API definitions end here. 2009 *************************************** 2010 */ 2011 2012 /* 2013 ********************************************************* 2014 * Few routines that are included in -lOSSlib 2015 * 2016 * At this moment this interface is not used. OSSlib contains just 2017 * stubs that call the related system calls directly. 2018 */ 2019 #ifdef OSSLIB 2020 extern int osslib_open (const char *path, int flags, int dummy); 2021 extern void osslib_close (int fd); 2022 extern int osslib_write (int fd, const void *buf, int count); 2023 extern int osslib_read (int fd, void *buf, int count); 2024 extern int osslib_ioctl (int fd, unsigned int request, void *arg); 2025 #else 2026 # define osslib_open open 2027 # define osslib_close close 2028 # define osslib_write write 2029 # define osslib_read read 2030 # define osslib_ioctl ioctl 2031 #endif 2032 2033 #if 1 2034 #define SNDCTL_DSP_NONBLOCK __SIO ('P',14) /* Obsolete. Not supported any more */ 2035 #endif 2036 2037 #if 1 2038 /* 2039 * Some obsolete macros that are not part of Open Sound System API. 2040 */ 2041 #define SOUND_PCM_READ_RATE SOUND_PCM_READ_RATE_is_obsolete 2042 #define SOUND_PCM_READ_BITS SOUND_PCM_READ_BITS_is_obsolete 2043 #define SOUND_PCM_READ_CHANNELS SOUND_PCM_READ_CHANNELS_is_obsolete 2044 #define SOUND_PCM_WRITE_RATE SOUND_PCM_WRITE_RATE_is_obsolet_use_SNDCTL_DSP_SPEED_instead 2045 #define SOUND_PCM_WRITE_CHANNELS SOUND_PCM_WRITE_CHANNELS_is_obsolete_use_SNDCTL_DSP_CHANNELS_instead 2046 #define SOUND_PCM_WRITE_BITS SOUND_PCM_WRITE_BITS_is_obsolete_use_SNDCTL_DSP_SETFMT_instead 2047 #define SOUND_PCM_POST SOUND_PCM_POST_is_obsolete_use_SNDCTL_DSP_POST_instead 2048 #define SOUND_PCM_RESET SOUND_PCM_RESET_is_obsolete_use_SNDCTL_DSP_HALT_instead 2049 #define SOUND_PCM_SYNC SOUND_PCM_SYNC_is_obsolete_use_SNDCTL_DSP_SYNC_instead 2050 #define SOUND_PCM_SUBDIVIDE SOUND_PCM_SUBDIVIDE_is_obsolete_use_SNDCTL_DSP_SUBDIVIDE_instead 2051 #define SOUND_PCM_SETFRAGMENT SOUND_PCM_SETFRAGMENT_is_obsolete_use_SNDCTL_DSP_SETFRAGMENT_instead 2052 #define SOUND_PCM_GETFMTS SOUND_PCM_GETFMTS_is_obsolete_use_SNDCTL_DSP_GETFMTS_instead 2053 #define SOUND_PCM_SETFMT SOUND_PCM_SETFMT_is_obsolete_use_SNDCTL_DSP_SETFMT_instead 2054 #define SOUND_PCM_GETOSPACE SOUND_PCM_GETOSPACE_is_obsolete_use_SNDCTL_DSP_GETOSPACE_instead 2055 #define SOUND_PCM_GETISPACE SOUND_PCM_GETISPACE_is_obsolete_use_SNDCTL_DSP_GETISPACE_instead 2056 #define SOUND_PCM_NONBLOCK SOUND_PCM_NONBLOCK_is_obsolete_use_SNDCTL_DSP_NONBLOCK_instead 2057 #define SOUND_PCM_GETCAPS SOUND_PCM_GETCAPS_is_obsolete_use_SNDCTL_DSP_GETCAPS_instead 2058 #define SOUND_PCM_GETTRIGGER SOUND_PCM_GETTRIGGER_is_obsolete_use_SNDCTL_DSP_GETTRIGGER_instead 2059 #define SOUND_PCM_SETTRIGGER SOUND_PCM_SETTRIGGER_is_obsolete_use_SNDCTL_DSP_SETTRIGGER_instead 2060 #define SOUND_PCM_SETSYNCRO SOUND_PCM_SETSYNCRO_is_obsolete_use_SNDCTL_DSP_SETSYNCRO_instead 2061 #define SOUND_PCM_GETIPTR SOUND_PCM_GETIPTR_is_obsolete_use_SNDCTL_DSP_GETIPTR_instead 2062 #define SOUND_PCM_GETOPTR SOUND_PCM_GETOPTR_is_obsolete_use_SNDCTL_DSP_GETOPTR_instead 2063 #define SOUND_PCM_MAPINBUF SOUND_PCM_MAPINBUF_is_obsolete_use_SNDCTL_DSP_MAPINBUF_instead 2064 #define SOUND_PCM_MAPOUTBUF SOUND_PCM_MAPOUTBUF_is_obsolete_use_SNDCTL_DSP_MAPOUTBUF_instead 2065 #endif 2066 2067 #endif 2068