1 /* 2 * soundcard.h 3 * 4 * Copyright by Hannu Savolainen 1993 5 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef SOUNDCARD_H 32 #define SOUNDCARD_H 33 /* 34 * If you make modifications to this file, please contact me before 35 * distributing the modified version. There is already enough 36 * diversity in the world. 37 * 38 * Regards, 39 * Hannu Savolainen 40 * hannu@voxware.pp.fi 41 * 42 ********************************************************************** 43 * PS. The Hacker's Guide to VoxWare available from 44 * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is 45 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 46 * some useful information about programming with VoxWare. 47 * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have 48 * to cd inside them before the files are accessible.) 49 ********************************************************************** 50 */ 51 52 /* 53 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 54 * should not depend on it, but rather look at the capabilities 55 * of the driver in the kernel! 56 */ 57 #define SOUND_VERSION 301 58 #define VOXWARE /* does this have any use ? */ 59 60 /* 61 * Supported card ID numbers (Should be somewhere else? We keep 62 * them here just for compativility with the old driver, but these 63 * constants are of little or no use). 64 */ 65 66 #define SNDCARD_ADLIB 1 67 #define SNDCARD_SB 2 68 #define SNDCARD_PAS 3 69 #define SNDCARD_GUS 4 70 #define SNDCARD_MPU401 5 71 #define SNDCARD_SB16 6 72 #define SNDCARD_SB16MIDI 7 73 #define SNDCARD_UART6850 8 74 #define SNDCARD_GUS16 9 75 #define SNDCARD_MSS 10 76 #define SNDCARD_PSS 11 77 #define SNDCARD_SSCAPE 12 78 #define SNDCARD_PSS_MPU 13 79 #define SNDCARD_PSS_MSS 14 80 #define SNDCARD_SSCAPE_MSS 15 81 #define SNDCARD_TRXPRO 16 82 #define SNDCARD_TRXPRO_SB 17 83 #define SNDCARD_TRXPRO_MPU 18 84 #define SNDCARD_MAD16 19 85 #define SNDCARD_MAD16_MPU 20 86 #define SNDCARD_CS4232 21 87 #define SNDCARD_CS4232_MPU 22 88 #define SNDCARD_MAUI 23 89 #define SNDCARD_PSEUDO_MSS 24 90 #define SNDCARD_AWE32 25 91 92 #include <sys/types.h> 93 #ifndef _IOWR 94 #include <sys/ioccom.h> 95 #endif /* !_IOWR */ 96 97 /* 98 * The first part of this file contains the new FreeBSD sound ioctl 99 * interface. Tries to minimize the number of different ioctls, and 100 * to be reasonably general. 101 * 102 * 970821: some of the new calls have not been implemented yet. 103 */ 104 105 /* 106 * the following three calls extend the generic file descriptor 107 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 108 * number of bytes for a write operation to be non-blocking. 109 * 110 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 111 * from a character device (default) to a block device. In block mode, 112 * (not to be confused with blocking mode) the main difference for the 113 * application is that select() will return only when a complete 114 * block can be read/written to the device, whereas in character mode 115 * select will return true when one byte can be exchanged. For audio 116 * devices, character mode makes select almost useless since one byte 117 * will always be ready by the next sample time (which is often only a 118 * handful of microseconds away). 119 * Use a size of 0 or 1 to return to character mode. 120 */ 121 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 122 struct snd_size { 123 int play_size; 124 int rec_size; 125 }; 126 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 127 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 128 129 /* 130 * The following constants define supported audio formats. The 131 * encoding follows voxware conventions, i.e. 1 bit for each supported 132 * format. We extend it by using bit 31 (RO) to indicate full-duplex 133 * capability, and bit 29 (RO) to indicate that the card supports/ 134 * needs different formats on capture & playback channels. 135 * Bit 29 (RW) is used to indicate/ask stereo. 136 */ 137 138 # define AFMT_QUERY 0x00000000 /* Return current fmt */ 139 # define AFMT_MU_LAW 0x00000001 140 # define AFMT_A_LAW 0x00000002 141 # define AFMT_IMA_ADPCM 0x00000004 142 # define AFMT_U8 0x00000008 143 # define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 144 # define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 145 # define AFMT_S8 0x00000040 146 # define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 147 # define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 148 # define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 149 150 # define AFMT_STEREO 0x10000000 /* can do/want stereo */ 151 152 /* 153 * the following are really capabilities 154 */ 155 # define AFMT_WEIRD 0x20000000 /* weird hardware... */ 156 /* 157 * AFMT_WEIRD reports that the hardware might need to operate 158 * with different formats in the playback and capture 159 * channels when operating in full duplex. 160 * As an example, SoundBlaster16 cards only support U8 in one 161 * direction and S16 in the other one, and applications should 162 * be aware of this limitation. 163 */ 164 # define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 165 166 /* 167 * The following structure is used to get/set format and sampling rate. 168 * While it would be better to have things such as stereo, bits per 169 * sample, endiannes, etc split in different variables, it turns out 170 * that formats are not that many, and not all combinations are possible. 171 * So we followed the Voxware approach of associating one bit to each 172 * format. 173 */ 174 175 typedef struct _snd_chan_param { 176 u_long play_rate; /* sampling rate */ 177 u_long rec_rate; /* sampling rate */ 178 u_long play_format; /* everything describing the format */ 179 u_long rec_format; /* everything describing the format */ 180 } snd_chan_param; 181 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 182 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 183 184 /* 185 * The following structure is used to get/set the mixer setting. 186 * Up to 32 mixers are supported, each one with up to 32 channels. 187 */ 188 typedef struct _snd_mix_param { 189 u_char subdev; /* which output */ 190 u_char line; /* which input */ 191 u_char left,right; /* volumes, 0..255, 0 = mute */ 192 } snd_mix_param ; 193 194 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 195 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 196 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 197 198 /* 199 * channel specifiers used in AIOSTOP and AIOSYNC 200 */ 201 #define AIOSYNC_PLAY 0x1 /* play chan */ 202 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 203 /* AIOSTOP stop & flush a channel, returns the residual count */ 204 #define AIOSTOP _IOWR ('A', 15, int) 205 206 /* alternate method used to notify the sync condition */ 207 #define AIOSYNC_SIGNAL 0x100 208 #define AIOSYNC_SELECT 0x200 209 210 /* what the 'pos' field refers to */ 211 #define AIOSYNC_READY 0x400 212 #define AIOSYNC_FREE 0x800 213 214 typedef struct _snd_sync_parm { 215 long chan ; /* play or capture channel, plus modifier */ 216 long pos; 217 } snd_sync_parm; 218 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 219 220 /* 221 * The following is used to return device capabilities. If the structure 222 * passed to the ioctl is zeroed, default values are returned for rate 223 * and formats, a bitmap of available mixers is returned, and values 224 * (inputs, different levels) for the first one are returned. 225 * 226 * If formats, mixers, inputs are instantiated, then detailed info 227 * are returned depending on the call. 228 */ 229 typedef struct _snd_capabilities { 230 u_long rate_min, rate_max; /* min-max sampling rate */ 231 u_long formats; 232 u_long bufsize; /* DMA buffer size */ 233 u_long mixers; /* bitmap of available mixers */ 234 u_long inputs; /* bitmap of available inputs (per mixer) */ 235 u_short left, right; /* how many levels are supported */ 236 } snd_capabilities; 237 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 238 239 /* 240 * here is the old (Voxware) ioctl interface 241 */ 242 243 /* 244 * IOCTL Commands for /dev/sequencer 245 */ 246 247 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 248 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 249 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 250 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 251 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 252 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 253 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 254 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 255 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 256 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 257 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 258 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 259 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 260 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 261 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 262 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 263 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 264 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 265 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 266 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 267 268 struct seq_event_rec { 269 u_char arr[8]; 270 }; 271 272 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 273 #define SNDCTL_TMR_START _IO ('T', 2) 274 #define SNDCTL_TMR_STOP _IO ('T', 3) 275 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 276 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 277 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 278 # define TMR_INTERNAL 0x00000001 279 # define TMR_EXTERNAL 0x00000002 280 # define TMR_MODE_MIDI 0x00000010 281 # define TMR_MODE_FSK 0x00000020 282 # define TMR_MODE_CLS 0x00000040 283 # define TMR_MODE_SMPTE 0x00000080 284 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 285 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 286 287 /* 288 * Endian aware patch key generation algorithm. 289 */ 290 291 #if defined(_AIX) || defined(AIX) 292 # define _PATCHKEY(id) (0xfd00|id) 293 #else 294 # define _PATCHKEY(id) ((id<<8)|0xfd) 295 #endif 296 297 /* 298 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 299 * The following patch_info structure has been designed to support 300 * Gravis UltraSound. It tries to be universal format for uploading 301 * sample based patches but is probably too limited. 302 */ 303 304 struct patch_info { 305 /* u_short key; Use GUS_PATCH here */ 306 short key; /* Use GUS_PATCH here */ 307 #define GUS_PATCH _PATCHKEY(0x04) 308 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 309 310 short device_no; /* Synthesizer number */ 311 short instr_no; /* Midi pgm# */ 312 313 u_long mode; 314 /* 315 * The least significant byte has the same format than the GUS .PAT 316 * files 317 */ 318 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 319 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 320 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 321 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 322 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 323 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 324 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 325 /* (use the env_rate/env_offs fields). */ 326 /* Linux specific bits */ 327 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 328 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 329 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 330 /* Other bits must be zeroed */ 331 332 long len; /* Size of the wave data in bytes */ 333 long loop_start, loop_end; /* Byte offsets from the beginning */ 334 335 /* 336 * The base_freq and base_note fields are used when computing the 337 * playback speed for a note. The base_note defines the tone frequency 338 * which is heard if the sample is played using the base_freq as the 339 * playback speed. 340 * 341 * The low_note and high_note fields define the minimum and maximum note 342 * frequencies for which this sample is valid. It is possible to define 343 * more than one samples for a instrument number at the same time. The 344 * low_note and high_note fields are used to select the most suitable one. 345 * 346 * The fields base_note, high_note and low_note should contain 347 * the note frequency multiplied by 1000. For example value for the 348 * middle A is 440*1000. 349 */ 350 351 u_int base_freq; 352 u_long base_note; 353 u_long high_note; 354 u_long low_note; 355 int panning; /* -128=left, 127=right */ 356 int detuning; 357 358 /* New fields introduced in version 1.99.5 */ 359 360 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 361 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 362 u_char env_offset[ 6 ]; /* 255 == 100% */ 363 364 /* 365 * The tremolo, vibrato and scale info are not supported yet. 366 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 367 * WAVE_SCALE 368 */ 369 370 u_char tremolo_sweep; 371 u_char tremolo_rate; 372 u_char tremolo_depth; 373 374 u_char vibrato_sweep; 375 u_char vibrato_rate; 376 u_char vibrato_depth; 377 378 int scale_frequency; 379 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 380 381 int volume; 382 int spare[4]; 383 char data[1]; /* The waveform data starts here */ 384 }; 385 386 struct sysex_info { 387 short key; /* Use GUS_PATCH here */ 388 #define SYSEX_PATCH _PATCHKEY(0x05) 389 #define MAUI_PATCH _PATCHKEY(0x06) 390 short device_no; /* Synthesizer number */ 391 long len; /* Size of the sysex data in bytes */ 392 u_char data[1]; /* Sysex data starts here */ 393 }; 394 395 /* 396 * Patch management interface (/dev/sequencer, /dev/patmgr#) 397 * Don't use these calls if you want to maintain compatibility with 398 * the future versions of the driver. 399 */ 400 401 #define PS_NO_PATCHES 0 /* No patch support on device */ 402 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 403 #define PS_MGR_OK 2 /* Patch manager supported */ 404 #define PS_MANAGED 3 /* Patch manager running */ 405 406 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 407 408 /* 409 * The patmgr_info is a fixed size structure which is used for two 410 * different purposes. The intended use is for communication between 411 * the application using /dev/sequencer and the patch manager daemon 412 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 413 * 414 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 415 * a patch manager daemon to read and write device parameters. This 416 * ioctl available through /dev/sequencer also. Avoid using it since it's 417 * extremely hardware dependent. In addition access trough /dev/sequencer 418 * may confuse the patch manager daemon. 419 */ 420 421 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 422 u_long key; /* Don't worry. Reserved for communication 423 between the patch manager and the driver. */ 424 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 425 #define PM_K_COMMAND 2 /* Request from a application */ 426 #define PM_K_RESPONSE 3 /* From patmgr to application */ 427 #define PM_ERROR 4 /* Error returned by the patmgr */ 428 int device; 429 int command; 430 431 /* 432 * Commands 0x000 to 0xfff reserved for patch manager programs 433 */ 434 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 435 #define PMTYPE_FM2 1 /* 2 OP fm */ 436 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 437 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 438 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 439 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 440 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 441 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 442 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 443 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 444 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 445 446 /* 447 * Commands 0x1000 to 0xffff are for communication between the patch manager 448 * and the client 449 */ 450 #define _PM_LOAD_PATCH 0x100 451 452 /* 453 * Commands above 0xffff reserved for device specific use 454 */ 455 456 long parm1; 457 long parm2; 458 long parm3; 459 460 union { 461 u_char data8[4000]; 462 u_short data16[2000]; 463 u_long data32[1000]; 464 struct patch_info patch; 465 } data; 466 }; 467 468 /* 469 * When a patch manager daemon is present, it will be informed by the 470 * driver when something important happens. For example when the 471 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 472 * returned. The command field contains the event type: 473 */ 474 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 475 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 476 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 477 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 478 479 /* 480 * /dev/sequencer input events. 481 * 482 * The data written to the /dev/sequencer is a stream of events. Events 483 * are records of 4 or 8 bytes. The first byte defines the size. 484 * Any number of events can be written with a write call. There 485 * is a set of macros for sending these events. Use these macros if you 486 * want to maximize portability of your program. 487 * 488 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 489 * (All input events are currently 4 bytes long. Be prepared to support 490 * 8 byte events also. If you receive any event having first byte >= 128, 491 * it's a 8 byte event. 492 * 493 * The events are documented at the end of this file. 494 * 495 * Normal events (4 bytes) 496 * There is also a 8 byte version of most of the 4 byte events. The 497 * 8 byte one is recommended. 498 */ 499 #define SEQ_NOTEOFF 0 500 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 501 #define SEQ_NOTEON 1 502 #define SEQ_FMNOTEON SEQ_NOTEON 503 #define SEQ_WAIT TMR_WAIT_ABS 504 #define SEQ_PGMCHANGE 3 505 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 506 #define SEQ_SYNCTIMER TMR_START 507 #define SEQ_MIDIPUTC 5 508 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 509 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 510 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 511 #define SEQ_AFTERTOUCH 9 512 #define SEQ_CONTROLLER 10 513 514 /* 515 * Midi controller numbers 516 * 517 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 518 * are continuous controllers. 519 * In the MIDI 1.0 these controllers are sent using two messages. 520 * Controller numbers 0 to 31 are used to send the MSB and the 521 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 522 * are used in MIDI bytes. 523 */ 524 525 #define CTL_BANK_SELECT 0x00 526 #define CTL_MODWHEEL 0x01 527 #define CTL_BREATH 0x02 528 /* undefined 0x03 */ 529 #define CTL_FOOT 0x04 530 #define CTL_PORTAMENTO_TIME 0x05 531 #define CTL_DATA_ENTRY 0x06 532 #define CTL_MAIN_VOLUME 0x07 533 #define CTL_BALANCE 0x08 534 /* undefined 0x09 */ 535 #define CTL_PAN 0x0a 536 #define CTL_EXPRESSION 0x0b 537 /* undefined 0x0c - 0x0f */ 538 #define CTL_GENERAL_PURPOSE1 0x10 539 #define CTL_GENERAL_PURPOSE2 0x11 540 #define CTL_GENERAL_PURPOSE3 0x12 541 #define CTL_GENERAL_PURPOSE4 0x13 542 /* undefined 0x14 - 0x1f */ 543 544 /* undefined 0x20 */ 545 546 /* 547 * The controller numbers 0x21 to 0x3f are reserved for the 548 * least significant bytes of the controllers 0x00 to 0x1f. 549 * These controllers are not recognised by the driver. 550 * 551 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 552 * 0=OFF and 127=ON (intermediate values are possible) 553 */ 554 #define CTL_DAMPER_PEDAL 0x40 555 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 556 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 557 #define CTL_PORTAMENTO 0x41 558 #define CTL_SOSTENUTO 0x42 559 #define CTL_SOFT_PEDAL 0x43 560 /* undefined 0x44 */ 561 #define CTL_HOLD2 0x45 562 /* undefined 0x46 - 0x4f */ 563 564 #define CTL_GENERAL_PURPOSE5 0x50 565 #define CTL_GENERAL_PURPOSE6 0x51 566 #define CTL_GENERAL_PURPOSE7 0x52 567 #define CTL_GENERAL_PURPOSE8 0x53 568 /* undefined 0x54 - 0x5a */ 569 #define CTL_EXT_EFF_DEPTH 0x5b 570 #define CTL_TREMOLO_DEPTH 0x5c 571 #define CTL_CHORUS_DEPTH 0x5d 572 #define CTL_DETUNE_DEPTH 0x5e 573 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 574 #define CTL_PHASER_DEPTH 0x5f 575 #define CTL_DATA_INCREMENT 0x60 576 #define CTL_DATA_DECREMENT 0x61 577 #define CTL_NONREG_PARM_NUM_LSB 0x62 578 #define CTL_NONREG_PARM_NUM_MSB 0x63 579 #define CTL_REGIST_PARM_NUM_LSB 0x64 580 #define CTL_REGIST_PARM_NUM_MSB 0x65 581 /* undefined 0x66 - 0x78 */ 582 /* reserved 0x79 - 0x7f */ 583 584 /* Pseudo controllers (not midi compatible) */ 585 #define CTRL_PITCH_BENDER 255 586 #define CTRL_PITCH_BENDER_RANGE 254 587 #define CTRL_EXPRESSION 253 /* Obsolete */ 588 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 589 590 #define SEQ_BALANCE 11 591 #define SEQ_VOLMODE 12 592 593 /* 594 * Volume mode decides how volumes are used 595 */ 596 597 #define VOL_METHOD_ADAGIO 1 598 #define VOL_METHOD_LINEAR 2 599 600 /* 601 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 602 * input events. 603 */ 604 605 /* 606 * Event codes 0xf0 to 0xfc are reserved for future extensions. 607 */ 608 609 #define SEQ_FULLSIZE 0xfd /* Long events */ 610 /* 611 * SEQ_FULLSIZE events are used for loading patches/samples to the 612 * synthesizer devices. These events are passed directly to the driver 613 * of the associated synthesizer device. There is no limit to the size 614 * of the extended events. These events are not queued but executed 615 * immediately when the write() is called (execution can take several 616 * seconds of time). 617 * 618 * When a SEQ_FULLSIZE message is written to the device, it must 619 * be written using exactly one write() call. Other events cannot 620 * be mixed to the same write. 621 * 622 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 623 * it to the /dev/sequencer. Don't write other data together with 624 * the instrument structure Set the key field of the structure to 625 * FM_PATCH. The device field is used to route the patch to the 626 * corresponding device. 627 * 628 * For Gravis UltraSound use struct patch_info. Initialize the key field 629 * to GUS_PATCH. 630 */ 631 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 632 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 633 634 /* 635 * Record for FM patches 636 */ 637 638 typedef u_char sbi_instr_data[32]; 639 640 struct sbi_instrument { 641 u_short key; /* FM_PATCH or OPL3_PATCH */ 642 #define FM_PATCH _PATCHKEY(0x01) 643 #define OPL3_PATCH _PATCHKEY(0x03) 644 short device; /* Synth# (0-4) */ 645 int channel; /* Program# to be initialized */ 646 sbi_instr_data operators; /* Reg. settings for operator cells 647 * (.SBI format) */ 648 }; 649 650 struct synth_info { /* Read only */ 651 char name[30]; 652 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 653 int synth_type; 654 #define SYNTH_TYPE_FM 0 655 #define SYNTH_TYPE_SAMPLE 1 656 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 657 658 int synth_subtype; 659 #define FM_TYPE_ADLIB 0x00 660 #define FM_TYPE_OPL3 0x01 661 662 #define SAMPLE_TYPE_BASIC 0x10 663 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 664 #define SAMPLE_TYPE_AWE32 0x20 665 666 int perc_mode; /* No longer supported */ 667 int nr_voices; 668 int nr_drums; /* Obsolete field */ 669 int instr_bank_size; 670 u_long capabilities; 671 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 672 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 673 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 674 int dummies[19]; /* Reserve space */ 675 }; 676 677 struct sound_timer_info { 678 char name[32]; 679 int caps; 680 }; 681 682 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 683 684 struct midi_info { 685 char name[30]; 686 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 687 u_long capabilities; /* To be defined later */ 688 int dev_type; 689 int dummies[18]; /* Reserve space */ 690 }; 691 692 /* 693 * ioctl commands for the /dev/midi## 694 */ 695 typedef struct { 696 u_char cmd; 697 char nr_args, nr_returns; 698 u_char data[30]; 699 } mpu_command_rec; 700 701 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 702 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 703 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 704 705 /* 706 * IOCTL commands for /dev/dsp and /dev/audio 707 */ 708 709 #define SNDCTL_DSP_RESET _IO ('P', 0) 710 #define SNDCTL_DSP_SYNC _IO ('P', 1) 711 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 712 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 713 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 714 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 715 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 716 717 /* 718 * SOUND_PCM_WRITE_CHANNELS is not that different 719 * from SNDCTL_DSP_STEREO 720 */ 721 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 722 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 723 #define SNDCTL_DSP_POST _IO ('P', 8) 724 725 /* 726 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 727 * the same thing, i.e. set the block size used in DMA transfers. 728 */ 729 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 730 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 731 732 733 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 734 /* 735 * Buffer status queries. 736 */ 737 typedef struct audio_buf_info { 738 int fragments; /* # of avail. frags (partly used ones not counted) */ 739 int fragstotal; /* Total # of fragments allocated */ 740 int fragsize; /* Size of a fragment in bytes */ 741 742 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 743 /* Note! 'bytes' could be more than fragments*fragsize */ 744 } audio_buf_info; 745 746 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 747 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 748 749 /* 750 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 751 * action cannot be undone) of FIONBIO. The same can be achieved 752 * by opening the device with O_NDELAY 753 */ 754 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 755 756 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 757 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 758 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 759 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 760 #define DSP_CAP_BATCH 0x00000400 761 /* 762 * Device has some kind of internal buffers which may 763 * cause some delays and decrease precision of timing 764 */ 765 #define DSP_CAP_COPROC 0x00000800 766 /* Has a coprocessor, sometimes it's a DSP but usually not */ 767 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 768 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 769 770 /* 771 * What do these function do ? 772 */ 773 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 774 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 775 #define PCM_ENABLE_INPUT 0x00000001 776 #define PCM_ENABLE_OUTPUT 0x00000002 777 778 typedef struct count_info { 779 int bytes; /* Total # of bytes processed */ 780 int blocks; /* # of fragment transitions since last time */ 781 int ptr; /* Current DMA pointer value */ 782 } count_info; 783 784 /* 785 * GETIPTR and GETISPACE are not that different... same for out. 786 */ 787 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 788 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 789 790 typedef struct buffmem_desc { 791 caddr_t buffer; 792 int size; 793 } buffmem_desc; 794 795 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 796 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 797 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 798 799 /* 800 * I guess these are the readonly version of the same 801 * functions that exist above as SNDCTL_DSP_... 802 */ 803 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 804 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 805 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 806 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 807 808 /* 809 * ioctl calls to be used in communication with coprocessors and 810 * DSP chips. 811 */ 812 813 typedef struct copr_buffer { 814 int command; /* Set to 0 if not used */ 815 int flags; 816 #define CPF_NONE 0x0000 817 #define CPF_FIRST 0x0001 /* First block */ 818 #define CPF_LAST 0x0002 /* Last block */ 819 int len; 820 int offs; /* If required by the device (0 if not used) */ 821 822 u_char data[4000]; /* NOTE! 4000 is not 4k */ 823 } copr_buffer; 824 825 typedef struct copr_debug_buf { 826 int command; /* Used internally. Set to 0 */ 827 int parm1; 828 int parm2; 829 int flags; 830 int len; /* Length of data in bytes */ 831 } copr_debug_buf; 832 833 typedef struct copr_msg { 834 int len; 835 u_char data[4000]; 836 } copr_msg; 837 838 #define SNDCTL_COPR_RESET _IO ('C', 0) 839 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 840 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 841 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 842 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 843 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 844 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 845 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 846 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 847 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 848 849 /* 850 * IOCTL commands for /dev/mixer 851 */ 852 853 /* 854 * Mixer devices 855 * 856 * There can be up to 20 different analog mixer channels. The 857 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 858 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 859 * the devices supported by the particular mixer. 860 */ 861 862 #define SOUND_MIXER_NRDEVICES 25 863 #define SOUND_MIXER_VOLUME 0 864 #define SOUND_MIXER_BASS 1 865 #define SOUND_MIXER_TREBLE 2 866 #define SOUND_MIXER_SYNTH 3 867 #define SOUND_MIXER_PCM 4 868 #define SOUND_MIXER_SPEAKER 5 869 #define SOUND_MIXER_LINE 6 870 #define SOUND_MIXER_MIC 7 871 #define SOUND_MIXER_CD 8 872 #define SOUND_MIXER_IMIX 9 /* Recording monitor */ 873 #define SOUND_MIXER_ALTPCM 10 874 #define SOUND_MIXER_RECLEV 11 /* Recording level */ 875 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 876 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 877 /* 878 * The AD1848 codec and compatibles have three line level inputs 879 * (line, aux1 and aux2). Since each card manufacturer have assigned 880 * different meanings to these inputs, it's inpractical to assign 881 * specific meanings (line, cd, synth etc.) to them. 882 */ 883 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 884 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 885 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 886 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 887 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 888 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 889 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 890 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 891 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 892 #define SOUND_MIXER_RADIO 23 /* Radio in */ 893 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 894 895 896 /* 897 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 898 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 899 */ 900 #define SOUND_ONOFF_MIN 28 901 #define SOUND_ONOFF_MAX 30 902 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 903 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 904 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 905 906 /* Note! Number 31 cannot be used since the sign bit is reserved */ 907 #define SOUND_MIXER_NONE 31 908 909 #define SOUND_DEVICE_LABELS { \ 910 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 911 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 912 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 913 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 914 915 #define SOUND_DEVICE_NAMES { \ 916 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 917 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 918 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 919 "phin", "phout", "video", "radio", "monitor"} 920 921 /* Device bitmask identifiers */ 922 923 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 924 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 925 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 926 #define SOUND_MIXER_CAPS 0xfc 927 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 928 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 929 930 /* Device mask bits */ 931 932 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 933 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 934 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 935 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 936 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 937 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 938 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 939 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 940 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 941 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 942 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 943 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 944 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 945 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 946 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 947 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 948 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 949 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 950 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 951 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 952 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 953 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 954 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 955 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 956 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 957 958 /* Obsolete macros */ 959 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 960 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 961 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 962 963 #define MIXER_READ(dev) _IOR('M', dev, int) 964 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 965 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 966 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 967 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 968 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 969 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 970 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 971 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 972 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 973 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 974 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 975 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 976 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 977 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 978 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 979 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 980 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 981 982 /* Obsolete macros */ 983 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 984 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 985 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 986 987 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 988 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 989 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 990 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 991 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 992 993 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 994 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 995 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 996 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 997 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 998 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 999 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1000 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1001 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1002 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1003 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1004 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1005 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1006 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1007 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1008 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1009 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1010 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1011 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1012 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1013 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1014 1015 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1016 1017 #define LEFT_CHN 0 1018 #define RIGHT_CHN 1 1019 1020 /* 1021 * Level 2 event types for /dev/sequencer 1022 */ 1023 1024 /* 1025 * The 4 most significant bits of byte 0 specify the class of 1026 * the event: 1027 * 1028 * 0x8X = system level events, 1029 * 0x9X = device/port specific events, event[1] = device/port, 1030 * The last 4 bits give the subtype: 1031 * 0x02 = Channel event (event[3] = chn). 1032 * 0x01 = note event (event[4] = note). 1033 * (0x01 is not used alone but always with bit 0x02). 1034 * event[2] = MIDI message code (0x80=note off etc.) 1035 * 1036 */ 1037 1038 #define EV_SEQ_LOCAL 0x80 1039 #define EV_TIMING 0x81 1040 #define EV_CHN_COMMON 0x92 1041 #define EV_CHN_VOICE 0x93 1042 #define EV_SYSEX 0x94 1043 /* 1044 * Event types 200 to 220 are reserved for application use. 1045 * These numbers will not be used by the driver. 1046 */ 1047 1048 /* 1049 * Events for event type EV_CHN_VOICE 1050 */ 1051 1052 #define MIDI_NOTEOFF 0x80 1053 #define MIDI_NOTEON 0x90 1054 #define MIDI_KEY_PRESSURE 0xA0 1055 1056 /* 1057 * Events for event type EV_CHN_COMMON 1058 */ 1059 1060 #define MIDI_CTL_CHANGE 0xB0 1061 #define MIDI_PGM_CHANGE 0xC0 1062 #define MIDI_CHN_PRESSURE 0xD0 1063 #define MIDI_PITCH_BEND 0xE0 1064 1065 #define MIDI_SYSTEM_PREFIX 0xF0 1066 1067 /* 1068 * Timer event types 1069 */ 1070 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1071 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1072 #define TMR_STOP 3 1073 #define TMR_START 4 1074 #define TMR_CONTINUE 5 1075 #define TMR_TEMPO 6 1076 #define TMR_ECHO 8 1077 #define TMR_CLOCK 9 /* MIDI clock */ 1078 #define TMR_SPP 10 /* Song position pointer */ 1079 #define TMR_TIMESIG 11 /* Time signature */ 1080 1081 /* 1082 * Local event types 1083 */ 1084 #define LOCL_STARTAUDIO 1 1085 1086 #if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 1087 /* 1088 * Some convenience macros to simplify programming of the 1089 * /dev/sequencer interface 1090 * 1091 * These macros define the API which should be used when possible. 1092 */ 1093 1094 #ifndef USE_SIMPLE_MACROS 1095 void seqbuf_dump(void); /* This function must be provided by programs */ 1096 1097 /* Sample seqbuf_dump() implementation: 1098 * 1099 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1100 * 1101 * int seqfd; -- The file descriptor for /dev/sequencer. 1102 * 1103 * void 1104 * seqbuf_dump () 1105 * { 1106 * if (_seqbufptr) 1107 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1108 * { 1109 * perror ("write /dev/sequencer"); 1110 * exit (-1); 1111 * } 1112 * _seqbufptr = 0; 1113 * } 1114 */ 1115 1116 #define SEQ_DEFINEBUF(len) \ 1117 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1118 #define SEQ_USE_EXTBUF() \ 1119 extern u_char _seqbuf[]; \ 1120 extern int _seqbuflen;extern int _seqbufptr 1121 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1122 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1123 #define _SEQ_NEEDBUF(len) \ 1124 if ((_seqbufptr+(len)) > _seqbuflen) \ 1125 seqbuf_dump() 1126 #define _SEQ_ADVBUF(len) _seqbufptr += len 1127 #define SEQ_DUMPBUF seqbuf_dump 1128 #else 1129 /* 1130 * This variation of the sequencer macros is used just to format one event 1131 * using fixed buffer. 1132 * 1133 * The program using the macro library must define the following macros before 1134 * using this library. 1135 * 1136 * #define _seqbuf name of the buffer (u_char[]) 1137 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1138 * size of the event, this macro can be used. 1139 * Otherwise this must be defined as empty. 1140 * #define _seqbufptr Define the name of index variable or 0 if 1141 * not required. 1142 */ 1143 #define _SEQ_NEEDBUF(len) /* empty */ 1144 #endif 1145 1146 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1147 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1148 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1149 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1150 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1151 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1152 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1153 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1154 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1155 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1156 1157 #define SEQ_VOLUME_MODE(dev, mode) { \ 1158 _SEQ_NEEDBUF(8);\ 1159 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1160 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1161 _seqbuf[_seqbufptr+2] = (dev);\ 1162 _seqbuf[_seqbufptr+3] = (mode);\ 1163 _seqbuf[_seqbufptr+4] = 0;\ 1164 _seqbuf[_seqbufptr+5] = 0;\ 1165 _seqbuf[_seqbufptr+6] = 0;\ 1166 _seqbuf[_seqbufptr+7] = 0;\ 1167 _SEQ_ADVBUF(8);} 1168 1169 /* 1170 * Midi voice messages 1171 */ 1172 1173 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1174 _SEQ_NEEDBUF(8);\ 1175 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1176 _seqbuf[_seqbufptr+1] = (dev);\ 1177 _seqbuf[_seqbufptr+2] = (event);\ 1178 _seqbuf[_seqbufptr+3] = (chn);\ 1179 _seqbuf[_seqbufptr+4] = (note);\ 1180 _seqbuf[_seqbufptr+5] = (parm);\ 1181 _seqbuf[_seqbufptr+6] = (0);\ 1182 _seqbuf[_seqbufptr+7] = 0;\ 1183 _SEQ_ADVBUF(8);} 1184 1185 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1186 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1187 1188 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1189 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1190 1191 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1192 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1193 1194 /* 1195 * Midi channel messages 1196 */ 1197 1198 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1199 _SEQ_NEEDBUF(8);\ 1200 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1201 _seqbuf[_seqbufptr+1] = (dev);\ 1202 _seqbuf[_seqbufptr+2] = (event);\ 1203 _seqbuf[_seqbufptr+3] = (chn);\ 1204 _seqbuf[_seqbufptr+4] = (p1);\ 1205 _seqbuf[_seqbufptr+5] = (p2);\ 1206 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1207 _SEQ_ADVBUF(8);} 1208 /* 1209 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1210 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1211 * so _will_ cause problems with MPU401 intelligent mode). 1212 * 1213 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1214 * sent by calling SEQ_SYSEX() several times (there must be no other events 1215 * between them). First sysex fragment must have 0xf0 in the first byte 1216 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1217 * between these sysex start and end markers cannot be larger than 0x7f. Also 1218 * lengths of each fragments (except the last one) must be 6. 1219 * 1220 * Breaking the above rules may work with some MIDI ports but is likely to 1221 * cause fatal problems with some other devices (such as MPU401). 1222 */ 1223 #define SEQ_SYSEX(dev, buf, len) { \ 1224 int i, l=(len); if (l>6)l=6;\ 1225 _SEQ_NEEDBUF(8);\ 1226 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1227 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1228 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1229 _SEQ_ADVBUF(8);} 1230 1231 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1232 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1233 1234 #define SEQ_SET_PATCH(dev, chn, patch) \ 1235 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1236 1237 #define SEQ_CONTROL(dev, chn, controller, value) \ 1238 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1239 1240 #define SEQ_BENDER(dev, chn, value) \ 1241 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1242 1243 1244 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1245 _SEQ_NEEDBUF(8);\ 1246 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1247 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1248 _seqbuf[_seqbufptr+2] = (dev);\ 1249 _seqbuf[_seqbufptr+3] = (voice);\ 1250 _seqbuf[_seqbufptr+4] = (controller);\ 1251 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1252 _seqbuf[_seqbufptr+7] = 0;\ 1253 _SEQ_ADVBUF(8);} 1254 1255 /* 1256 * The following 5 macros are incorrectly implemented and obsolete. 1257 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1258 */ 1259 1260 #define SEQ_PITCHBEND(dev, voice, value) \ 1261 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1262 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1263 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1264 #define SEQ_EXPRESSION(dev, voice, value) \ 1265 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1266 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1267 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1268 #define SEQ_PANNING(dev, voice, pos) \ 1269 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1270 1271 /* 1272 * Timing and syncronization macros 1273 */ 1274 1275 #define _TIMER_EVENT(ev, parm) { \ 1276 _SEQ_NEEDBUF(8);\ 1277 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1278 _seqbuf[_seqbufptr+1] = (ev); \ 1279 _seqbuf[_seqbufptr+2] = 0;\ 1280 _seqbuf[_seqbufptr+3] = 0;\ 1281 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1282 _SEQ_ADVBUF(8); \ 1283 } 1284 1285 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1286 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1287 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1288 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1289 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1290 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1291 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1292 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1293 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1294 1295 /* 1296 * Local control events 1297 */ 1298 1299 #define _LOCAL_EVENT(ev, parm) { \ 1300 _SEQ_NEEDBUF(8);\ 1301 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1302 _seqbuf[_seqbufptr+1] = (ev); \ 1303 _seqbuf[_seqbufptr+2] = 0;\ 1304 _seqbuf[_seqbufptr+3] = 0;\ 1305 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1306 _SEQ_ADVBUF(8); \ 1307 } 1308 1309 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1310 /* 1311 * Events for the level 1 interface only 1312 */ 1313 1314 #define SEQ_MIDIOUT(device, byte) { \ 1315 _SEQ_NEEDBUF(4);\ 1316 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1317 _seqbuf[_seqbufptr+1] = (byte);\ 1318 _seqbuf[_seqbufptr+2] = (device);\ 1319 _seqbuf[_seqbufptr+3] = 0;\ 1320 _SEQ_ADVBUF(4);} 1321 1322 /* 1323 * Patch loading. 1324 */ 1325 #define SEQ_WRPATCH(patchx, len) { \ 1326 if (_seqbufptr) seqbuf_dump(); \ 1327 if (write(seqfd, (char*)(patchx), len)==-1) \ 1328 perror("Write patch: /dev/sequencer"); \ 1329 } 1330 1331 #define SEQ_WRPATCH2(patchx, len) \ 1332 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1333 1334 #endif 1335 1336 /* 1337 * Here I have moved all the aliases for ioctl names. 1338 */ 1339 1340 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1341 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1342 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1343 1344 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1345 #define SOUND_PCM_POST SNDCTL_DSP_POST 1346 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1347 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1348 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1349 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1350 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1351 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1352 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1353 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1354 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1355 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1356 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1357 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1358 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1359 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1360 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1361 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1362 1363 #endif /* SOUNDCARD_H */ 1364