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 * $FreeBSD: src/sys/sys/soundcard.h,v 1.33.2.4 2003/06/07 21:31:56 mbr Exp $ 31 * $DragonFly: src/sys/sys/soundcard.h,v 1.6 2006/05/20 02:42:13 dillon Exp $ 32 */ 33 34 #ifndef _SYS_SOUNDCARD_H_ 35 #define _SYS_SOUNDCARD_H_ 36 /* 37 * If you make modifications to this file, please contact me before 38 * distributing the modified version. There is already enough 39 * diversity in the world. 40 * 41 * Regards, 42 * Hannu Savolainen 43 * hannu@voxware.pp.fi 44 * 45 ********************************************************************** 46 * PS. The Hacker's Guide to VoxWare available from 47 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 48 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 49 * some useful information about programming with VoxWare. 50 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 51 * to cd inside them before the files are accessible.) 52 ********************************************************************** 53 */ 54 55 /* 56 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 57 * should not depend on it, but rather look at the capabilities 58 * of the driver in the kernel! 59 */ 60 #define SOUND_VERSION 301 61 #define VOXWARE /* does this have any use ? */ 62 63 /* 64 * Supported card ID numbers (Should be somewhere else? We keep 65 * them here just for compativility with the old driver, but these 66 * constants are of little or no use). 67 */ 68 69 #define SNDCARD_ADLIB 1 70 #define SNDCARD_SB 2 71 #define SNDCARD_PAS 3 72 #define SNDCARD_GUS 4 73 #define SNDCARD_MPU401 5 74 #define SNDCARD_SB16 6 75 #define SNDCARD_SB16MIDI 7 76 #define SNDCARD_UART6850 8 77 #define SNDCARD_GUS16 9 78 #define SNDCARD_MSS 10 79 #define SNDCARD_PSS 11 80 #define SNDCARD_SSCAPE 12 81 #define SNDCARD_PSS_MPU 13 82 #define SNDCARD_PSS_MSS 14 83 #define SNDCARD_SSCAPE_MSS 15 84 #define SNDCARD_TRXPRO 16 85 #define SNDCARD_TRXPRO_SB 17 86 #define SNDCARD_TRXPRO_MPU 18 87 #define SNDCARD_MAD16 19 88 #define SNDCARD_MAD16_MPU 20 89 #define SNDCARD_CS4232 21 90 #define SNDCARD_CS4232_MPU 22 91 #define SNDCARD_MAUI 23 92 #define SNDCARD_PSEUDO_MSS 24 93 #define SNDCARD_AWE32 25 94 #define SNDCARD_NSS 26 95 #define SNDCARD_UART16550 27 96 #define SNDCARD_OPL 28 97 98 #ifndef _SYS_TYPES_H_ 99 #include <sys/types.h> 100 #endif 101 #ifndef _MACHINE_ENDIAN_H_ 102 #include <machine/endian.h> 103 #endif 104 #if !defined(_IOWR) && !defined(_SYS_IOCCOM_H_) 105 #include <sys/ioccom.h> 106 #endif 107 108 /* 109 * The first part of this file contains the new FreeBSD sound ioctl 110 * interface. Tries to minimize the number of different ioctls, and 111 * to be reasonably general. 112 * 113 * 970821: some of the new calls have not been implemented yet. 114 */ 115 116 /* 117 * the following three calls extend the generic file descriptor 118 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 119 * number of bytes for a write operation to be non-blocking. 120 * 121 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 122 * from a character device (default) to a block device. In block mode, 123 * (not to be confused with blocking mode) the main difference for the 124 * application is that select() will return only when a complete 125 * block can be read/written to the device, whereas in character mode 126 * select will return true when one byte can be exchanged. For audio 127 * devices, character mode makes select almost useless since one byte 128 * will always be ready by the next sample time (which is often only a 129 * handful of microseconds away). 130 * Use a size of 0 or 1 to return to character mode. 131 */ 132 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 133 struct snd_size { 134 int play_size; 135 int rec_size; 136 }; 137 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 138 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 139 140 /* 141 * The following constants define supported audio formats. The 142 * encoding follows voxware conventions, i.e. 1 bit for each supported 143 * format. We extend it by using bit 31 (RO) to indicate full-duplex 144 * capability, and bit 29 (RO) to indicate that the card supports/ 145 * needs different formats on capture & playback channels. 146 * Bit 29 (RW) is used to indicate/ask stereo. 147 * 148 * The number of bits required to store the sample is: 149 * o 4 bits for the IDA ADPCM format, 150 * o 8 bits for 8-bit formats, mu-law and A-law, 151 * o 16 bits for the 16-bit formats, and 152 * o 32 bits for the 24/32-bit formats. 153 * o undefined for the MPEG audio format. 154 */ 155 156 #define AFMT_QUERY 0x00000000 /* Return current format */ 157 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 158 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 159 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 160 * squence represented using the 161 * the average 4 bits per sample */ 162 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 163 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 164 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 165 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 166 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 167 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 168 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 169 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 170 171 #if _BYTE_ORDER == _LITTLE_ENDIAN 172 #define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */ 173 #elif _BYTE_ORDER == _BIG_ENDIAN 174 #define AFMT_S16_NE AFMT_S16_BE 175 #else 176 #error "Byte order not implemented" 177 #endif 178 179 /* 180 * 32-bit formats below used for 24-bit audio data where the data is stored 181 * in the 24 most significant bits and the least significant bits are not used 182 * (should be set to 0). 183 */ 184 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 185 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 186 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 187 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 188 189 #define AFMT_STEREO 0x10000000 /* can do/want stereo */ 190 191 /* 192 * the following are really capabilities 193 */ 194 #define AFMT_WEIRD 0x20000000 /* weird hardware... */ 195 /* 196 * AFMT_WEIRD reports that the hardware might need to operate 197 * with different formats in the playback and capture 198 * channels when operating in full duplex. 199 * As an example, SoundBlaster16 cards only support U8 in one 200 * direction and S16 in the other one, and applications should 201 * be aware of this limitation. 202 */ 203 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 204 205 /* 206 * The following structure is used to get/set format and sampling rate. 207 * While it would be better to have things such as stereo, bits per 208 * sample, endiannes, etc split in different variables, it turns out 209 * that formats are not that many, and not all combinations are possible. 210 * So we followed the Voxware approach of associating one bit to each 211 * format. 212 */ 213 214 typedef struct _snd_chan_param { 215 u_long play_rate; /* sampling rate */ 216 u_long rec_rate; /* sampling rate */ 217 u_long play_format; /* everything describing the format */ 218 u_long rec_format; /* everything describing the format */ 219 } snd_chan_param; 220 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 221 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 222 223 /* 224 * The following structure is used to get/set the mixer setting. 225 * Up to 32 mixers are supported, each one with up to 32 channels. 226 */ 227 typedef struct _snd_mix_param { 228 u_char subdev; /* which output */ 229 u_char line; /* which input */ 230 u_char left,right; /* volumes, 0..255, 0 = mute */ 231 } snd_mix_param ; 232 233 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 234 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 235 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 236 237 /* 238 * channel specifiers used in AIOSTOP and AIOSYNC 239 */ 240 #define AIOSYNC_PLAY 0x1 /* play chan */ 241 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 242 /* AIOSTOP stop & flush a channel, returns the residual count */ 243 #define AIOSTOP _IOWR ('A', 15, int) 244 245 /* alternate method used to notify the sync condition */ 246 #define AIOSYNC_SIGNAL 0x100 247 #define AIOSYNC_SELECT 0x200 248 249 /* what the 'pos' field refers to */ 250 #define AIOSYNC_READY 0x400 251 #define AIOSYNC_FREE 0x800 252 253 typedef struct _snd_sync_parm { 254 long chan ; /* play or capture channel, plus modifier */ 255 long pos; 256 } snd_sync_parm; 257 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 258 259 /* 260 * The following is used to return device capabilities. If the structure 261 * passed to the ioctl is zeroed, default values are returned for rate 262 * and formats, a bitmap of available mixers is returned, and values 263 * (inputs, different levels) for the first one are returned. 264 * 265 * If formats, mixers, inputs are instantiated, then detailed info 266 * are returned depending on the call. 267 */ 268 typedef struct _snd_capabilities { 269 u_long rate_min, rate_max; /* min-max sampling rate */ 270 u_long formats; 271 u_long bufsize; /* DMA buffer size */ 272 u_long mixers; /* bitmap of available mixers */ 273 u_long inputs; /* bitmap of available inputs (per mixer) */ 274 u_short left, right; /* how many levels are supported */ 275 } snd_capabilities; 276 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 277 278 /* 279 * here is the old (Voxware) ioctl interface 280 */ 281 282 /* 283 * IOCTL Commands for /dev/sequencer 284 */ 285 286 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 287 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 288 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 289 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 290 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 291 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 292 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 293 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 294 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 295 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 296 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 297 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 298 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 299 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 300 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 301 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 302 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 303 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 304 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 305 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 306 307 struct seq_event_rec { 308 u_char arr[8]; 309 }; 310 311 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 312 #define SNDCTL_TMR_START _IO ('T', 2) 313 #define SNDCTL_TMR_STOP _IO ('T', 3) 314 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 315 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 316 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 317 # define TMR_INTERNAL 0x00000001 318 # define TMR_EXTERNAL 0x00000002 319 # define TMR_MODE_MIDI 0x00000010 320 # define TMR_MODE_FSK 0x00000020 321 # define TMR_MODE_CLS 0x00000040 322 # define TMR_MODE_SMPTE 0x00000080 323 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 324 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 325 326 /* 327 * Endian aware patch key generation algorithm. 328 */ 329 330 #if defined(_AIX) || defined(AIX) 331 # define _PATCHKEY(id) (0xfd00|id) 332 #else 333 # define _PATCHKEY(id) ((id<<8)|0xfd) 334 #endif 335 336 /* 337 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 338 * The following patch_info structure has been designed to support 339 * Gravis UltraSound. It tries to be universal format for uploading 340 * sample based patches but is probably too limited. 341 */ 342 343 struct patch_info { 344 /* u_short key; Use GUS_PATCH here */ 345 short key; /* Use GUS_PATCH here */ 346 #define GUS_PATCH _PATCHKEY(0x04) 347 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 348 349 short device_no; /* Synthesizer number */ 350 short instr_no; /* Midi pgm# */ 351 352 u_long mode; 353 /* 354 * The least significant byte has the same format than the GUS .PAT 355 * files 356 */ 357 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 358 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 359 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 360 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 361 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 362 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 363 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 364 /* (use the env_rate/env_offs fields). */ 365 /* Linux specific bits */ 366 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 367 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 368 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 369 /* Other bits must be zeroed */ 370 371 long len; /* Size of the wave data in bytes */ 372 long loop_start, loop_end; /* Byte offsets from the beginning */ 373 374 /* 375 * The base_freq and base_note fields are used when computing the 376 * playback speed for a note. The base_note defines the tone frequency 377 * which is heard if the sample is played using the base_freq as the 378 * playback speed. 379 * 380 * The low_note and high_note fields define the minimum and maximum note 381 * frequencies for which this sample is valid. It is possible to define 382 * more than one samples for a instrument number at the same time. The 383 * low_note and high_note fields are used to select the most suitable one. 384 * 385 * The fields base_note, high_note and low_note should contain 386 * the note frequency multiplied by 1000. For example value for the 387 * middle A is 440*1000. 388 */ 389 390 u_int base_freq; 391 u_long base_note; 392 u_long high_note; 393 u_long low_note; 394 int panning; /* -128=left, 127=right */ 395 int detuning; 396 397 /* New fields introduced in version 1.99.5 */ 398 399 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 400 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 401 u_char env_offset[ 6 ]; /* 255 == 100% */ 402 403 /* 404 * The tremolo, vibrato and scale info are not supported yet. 405 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 406 * WAVE_SCALE 407 */ 408 409 u_char tremolo_sweep; 410 u_char tremolo_rate; 411 u_char tremolo_depth; 412 413 u_char vibrato_sweep; 414 u_char vibrato_rate; 415 u_char vibrato_depth; 416 417 int scale_frequency; 418 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 419 420 int volume; 421 int spare[4]; 422 char data[1]; /* The waveform data starts here */ 423 }; 424 425 struct sysex_info { 426 short key; /* Use GUS_PATCH here */ 427 #define SYSEX_PATCH _PATCHKEY(0x05) 428 #define MAUI_PATCH _PATCHKEY(0x06) 429 short device_no; /* Synthesizer number */ 430 long len; /* Size of the sysex data in bytes */ 431 u_char data[1]; /* Sysex data starts here */ 432 }; 433 434 /* 435 * Patch management interface (/dev/sequencer, /dev/patmgr#) 436 * Don't use these calls if you want to maintain compatibility with 437 * the future versions of the driver. 438 */ 439 440 #define PS_NO_PATCHES 0 /* No patch support on device */ 441 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 442 #define PS_MGR_OK 2 /* Patch manager supported */ 443 #define PS_MANAGED 3 /* Patch manager running */ 444 445 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 446 447 /* 448 * The patmgr_info is a fixed size structure which is used for two 449 * different purposes. The intended use is for communication between 450 * the application using /dev/sequencer and the patch manager daemon 451 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 452 * 453 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 454 * a patch manager daemon to read and write device parameters. This 455 * ioctl available through /dev/sequencer also. Avoid using it since it's 456 * extremely hardware dependent. In addition access trough /dev/sequencer 457 * may confuse the patch manager daemon. 458 */ 459 460 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 461 u_long key; /* Don't worry. Reserved for communication 462 between the patch manager and the driver. */ 463 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 464 #define PM_K_COMMAND 2 /* Request from a application */ 465 #define PM_K_RESPONSE 3 /* From patmgr to application */ 466 #define PM_ERROR 4 /* Error returned by the patmgr */ 467 int device; 468 int command; 469 470 /* 471 * Commands 0x000 to 0xfff reserved for patch manager programs 472 */ 473 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 474 #define PMTYPE_FM2 1 /* 2 OP fm */ 475 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 476 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 477 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 478 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 479 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 480 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 481 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 482 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 483 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 484 485 /* 486 * Commands 0x1000 to 0xffff are for communication between the patch manager 487 * and the client 488 */ 489 #define _PM_LOAD_PATCH 0x100 490 491 /* 492 * Commands above 0xffff reserved for device specific use 493 */ 494 495 long parm1; 496 long parm2; 497 long parm3; 498 499 union { 500 u_char data8[4000]; 501 u_short data16[2000]; 502 u_long data32[1000]; 503 struct patch_info patch; 504 } data; 505 }; 506 507 /* 508 * When a patch manager daemon is present, it will be informed by the 509 * driver when something important happens. For example when the 510 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 511 * returned. The command field contains the event type: 512 */ 513 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 514 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 515 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 516 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 517 518 /* 519 * /dev/sequencer input events. 520 * 521 * The data written to the /dev/sequencer is a stream of events. Events 522 * are records of 4 or 8 bytes. The first byte defines the size. 523 * Any number of events can be written with a write call. There 524 * is a set of macros for sending these events. Use these macros if you 525 * want to maximize portability of your program. 526 * 527 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 528 * (All input events are currently 4 bytes long. Be prepared to support 529 * 8 byte events also. If you receive any event having first byte >= 128, 530 * it's a 8 byte event. 531 * 532 * The events are documented at the end of this file. 533 * 534 * Normal events (4 bytes) 535 * There is also a 8 byte version of most of the 4 byte events. The 536 * 8 byte one is recommended. 537 */ 538 #define SEQ_NOTEOFF 0 539 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 540 #define SEQ_NOTEON 1 541 #define SEQ_FMNOTEON SEQ_NOTEON 542 #define SEQ_WAIT TMR_WAIT_ABS 543 #define SEQ_PGMCHANGE 3 544 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 545 #define SEQ_SYNCTIMER TMR_START 546 #define SEQ_MIDIPUTC 5 547 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 548 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 549 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 550 #define SEQ_AFTERTOUCH 9 551 #define SEQ_CONTROLLER 10 552 553 /* 554 * Midi controller numbers 555 * 556 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 557 * are continuous controllers. 558 * In the MIDI 1.0 these controllers are sent using two messages. 559 * Controller numbers 0 to 31 are used to send the MSB and the 560 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 561 * are used in MIDI bytes. 562 */ 563 564 #define CTL_BANK_SELECT 0x00 565 #define CTL_MODWHEEL 0x01 566 #define CTL_BREATH 0x02 567 /* undefined 0x03 */ 568 #define CTL_FOOT 0x04 569 #define CTL_PORTAMENTO_TIME 0x05 570 #define CTL_DATA_ENTRY 0x06 571 #define CTL_MAIN_VOLUME 0x07 572 #define CTL_BALANCE 0x08 573 /* undefined 0x09 */ 574 #define CTL_PAN 0x0a 575 #define CTL_EXPRESSION 0x0b 576 /* undefined 0x0c - 0x0f */ 577 #define CTL_GENERAL_PURPOSE1 0x10 578 #define CTL_GENERAL_PURPOSE2 0x11 579 #define CTL_GENERAL_PURPOSE3 0x12 580 #define CTL_GENERAL_PURPOSE4 0x13 581 /* undefined 0x14 - 0x1f */ 582 583 /* undefined 0x20 */ 584 585 /* 586 * The controller numbers 0x21 to 0x3f are reserved for the 587 * least significant bytes of the controllers 0x00 to 0x1f. 588 * These controllers are not recognised by the driver. 589 * 590 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 591 * 0=OFF and 127=ON (intermediate values are possible) 592 */ 593 #define CTL_DAMPER_PEDAL 0x40 594 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 595 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 596 #define CTL_PORTAMENTO 0x41 597 #define CTL_SOSTENUTO 0x42 598 #define CTL_SOFT_PEDAL 0x43 599 /* undefined 0x44 */ 600 #define CTL_HOLD2 0x45 601 /* undefined 0x46 - 0x4f */ 602 603 #define CTL_GENERAL_PURPOSE5 0x50 604 #define CTL_GENERAL_PURPOSE6 0x51 605 #define CTL_GENERAL_PURPOSE7 0x52 606 #define CTL_GENERAL_PURPOSE8 0x53 607 /* undefined 0x54 - 0x5a */ 608 #define CTL_EXT_EFF_DEPTH 0x5b 609 #define CTL_TREMOLO_DEPTH 0x5c 610 #define CTL_CHORUS_DEPTH 0x5d 611 #define CTL_DETUNE_DEPTH 0x5e 612 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 613 #define CTL_PHASER_DEPTH 0x5f 614 #define CTL_DATA_INCREMENT 0x60 615 #define CTL_DATA_DECREMENT 0x61 616 #define CTL_NONREG_PARM_NUM_LSB 0x62 617 #define CTL_NONREG_PARM_NUM_MSB 0x63 618 #define CTL_REGIST_PARM_NUM_LSB 0x64 619 #define CTL_REGIST_PARM_NUM_MSB 0x65 620 /* undefined 0x66 - 0x78 */ 621 /* reserved 0x79 - 0x7f */ 622 623 /* Pseudo controllers (not midi compatible) */ 624 #define CTRL_PITCH_BENDER 255 625 #define CTRL_PITCH_BENDER_RANGE 254 626 #define CTRL_EXPRESSION 253 /* Obsolete */ 627 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 628 629 #define SEQ_BALANCE 11 630 #define SEQ_VOLMODE 12 631 632 /* 633 * Volume mode decides how volumes are used 634 */ 635 636 #define VOL_METHOD_ADAGIO 1 637 #define VOL_METHOD_LINEAR 2 638 639 /* 640 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 641 * input events. 642 */ 643 644 /* 645 * Event codes 0xf0 to 0xfc are reserved for future extensions. 646 */ 647 648 #define SEQ_FULLSIZE 0xfd /* Long events */ 649 /* 650 * SEQ_FULLSIZE events are used for loading patches/samples to the 651 * synthesizer devices. These events are passed directly to the driver 652 * of the associated synthesizer device. There is no limit to the size 653 * of the extended events. These events are not queued but executed 654 * immediately when the write() is called (execution can take several 655 * seconds of time). 656 * 657 * When a SEQ_FULLSIZE message is written to the device, it must 658 * be written using exactly one write() call. Other events cannot 659 * be mixed to the same write. 660 * 661 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 662 * it to the /dev/sequencer. Don't write other data together with 663 * the instrument structure Set the key field of the structure to 664 * FM_PATCH. The device field is used to route the patch to the 665 * corresponding device. 666 * 667 * For Gravis UltraSound use struct patch_info. Initialize the key field 668 * to GUS_PATCH. 669 */ 670 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 671 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 672 673 /* 674 * Record for FM patches 675 */ 676 677 typedef u_char sbi_instr_data[32]; 678 679 struct sbi_instrument { 680 u_short key; /* FM_PATCH or OPL3_PATCH */ 681 #define FM_PATCH _PATCHKEY(0x01) 682 #define OPL3_PATCH _PATCHKEY(0x03) 683 short device; /* Synth# (0-4) */ 684 int channel; /* Program# to be initialized */ 685 sbi_instr_data operators; /* Reg. settings for operator cells 686 * (.SBI format) */ 687 }; 688 689 struct synth_info { /* Read only */ 690 char name[30]; 691 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 692 int synth_type; 693 #define SYNTH_TYPE_FM 0 694 #define SYNTH_TYPE_SAMPLE 1 695 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 696 697 int synth_subtype; 698 #define FM_TYPE_ADLIB 0x00 699 #define FM_TYPE_OPL3 0x01 700 701 #define SAMPLE_TYPE_BASIC 0x10 702 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 703 #define SAMPLE_TYPE_AWE32 0x20 704 705 int perc_mode; /* No longer supported */ 706 int nr_voices; 707 int nr_drums; /* Obsolete field */ 708 int instr_bank_size; 709 u_long capabilities; 710 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 711 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 712 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 713 int dummies[19]; /* Reserve space */ 714 }; 715 716 struct sound_timer_info { 717 char name[32]; 718 int caps; 719 }; 720 721 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 722 723 struct midi_info { 724 char name[30]; 725 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 726 u_long capabilities; /* To be defined later */ 727 int dev_type; 728 int dummies[18]; /* Reserve space */ 729 }; 730 731 /* 732 * ioctl commands for the /dev/midi## 733 */ 734 typedef struct { 735 u_char cmd; 736 char nr_args, nr_returns; 737 u_char data[30]; 738 } mpu_command_rec; 739 740 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 741 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 742 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 743 #define MIOSPASSTHRU _IOWR('m', 3, int) 744 #define MIOGPASSTHRU _IOWR('m', 4, int) 745 746 /* 747 * IOCTL commands for /dev/dsp and /dev/audio 748 */ 749 750 #define SNDCTL_DSP_RESET _IO ('P', 0) 751 #define SNDCTL_DSP_SYNC _IO ('P', 1) 752 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 753 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 754 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 755 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 756 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 757 758 /* 759 * SOUND_PCM_WRITE_CHANNELS is not that different 760 * from SNDCTL_DSP_STEREO 761 */ 762 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 763 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 764 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 765 #define SNDCTL_DSP_POST _IO ('P', 8) 766 767 /* 768 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 769 * the same thing, i.e. set the block size used in DMA transfers. 770 */ 771 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 772 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 773 774 775 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 776 /* 777 * Buffer status queries. 778 */ 779 typedef struct audio_buf_info { 780 int fragments; /* # of avail. frags (partly used ones not counted) */ 781 int fragstotal; /* Total # of fragments allocated */ 782 int fragsize; /* Size of a fragment in bytes */ 783 784 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 785 /* Note! 'bytes' could be more than fragments*fragsize */ 786 } audio_buf_info; 787 788 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 789 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 790 791 /* 792 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 793 * action cannot be undone) of FIONBIO. The same can be achieved 794 * by opening the device with O_NDELAY 795 */ 796 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 797 798 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 799 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 800 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 801 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 802 #define DSP_CAP_BATCH 0x00000400 803 /* 804 * Device has some kind of internal buffers which may 805 * cause some delays and decrease precision of timing 806 */ 807 #define DSP_CAP_COPROC 0x00000800 808 /* Has a coprocessor, sometimes it's a DSP but usually not */ 809 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 810 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 811 812 /* 813 * What do these function do ? 814 */ 815 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 816 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 817 #define PCM_ENABLE_INPUT 0x00000001 818 #define PCM_ENABLE_OUTPUT 0x00000002 819 820 typedef struct count_info { 821 int bytes; /* Total # of bytes processed */ 822 int blocks; /* # of fragment transitions since last time */ 823 int ptr; /* Current DMA pointer value */ 824 } count_info; 825 826 /* 827 * GETIPTR and GETISPACE are not that different... same for out. 828 */ 829 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 830 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 831 832 typedef struct buffmem_desc { 833 caddr_t buffer; 834 int size; 835 } buffmem_desc; 836 837 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 838 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 839 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 840 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 841 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 842 843 /* 844 * I guess these are the readonly version of the same 845 * functions that exist above as SNDCTL_DSP_... 846 */ 847 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 848 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 849 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 850 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 851 852 /* 853 * ioctl calls to be used in communication with coprocessors and 854 * DSP chips. 855 */ 856 857 typedef struct copr_buffer { 858 int command; /* Set to 0 if not used */ 859 int flags; 860 #define CPF_NONE 0x0000 861 #define CPF_FIRST 0x0001 /* First block */ 862 #define CPF_LAST 0x0002 /* Last block */ 863 int len; 864 int offs; /* If required by the device (0 if not used) */ 865 866 u_char data[4000]; /* NOTE! 4000 is not 4k */ 867 } copr_buffer; 868 869 typedef struct copr_debug_buf { 870 int command; /* Used internally. Set to 0 */ 871 int parm1; 872 int parm2; 873 int flags; 874 int len; /* Length of data in bytes */ 875 } copr_debug_buf; 876 877 typedef struct copr_msg { 878 int len; 879 u_char data[4000]; 880 } copr_msg; 881 882 #define SNDCTL_COPR_RESET _IO ('C', 0) 883 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 884 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 885 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 886 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 887 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 888 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 889 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 890 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 891 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 892 893 /* 894 * IOCTL commands for /dev/mixer 895 */ 896 897 /* 898 * Mixer devices 899 * 900 * There can be up to 20 different analog mixer channels. The 901 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 902 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 903 * the devices supported by the particular mixer. 904 */ 905 906 #define SOUND_MIXER_NRDEVICES 25 907 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 908 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 909 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 910 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 911 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 912 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 913 * signals */ 914 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 915 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 916 * the microphone jack */ 917 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 918 * connected to the CD audio input */ 919 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 920 * output volume of the selected 921 * recording sources while recording */ 922 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 923 * device */ 924 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 925 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 926 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 927 /* 928 * The AD1848 codec and compatibles have three line level inputs 929 * (line, aux1 and aux2). Since each card manufacturer have assigned 930 * different meanings to these inputs, it's inpractical to assign 931 * specific meanings (line, cd, synth etc.) to them. 932 */ 933 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 934 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 935 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 936 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 937 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 938 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 939 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 940 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 941 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 942 #define SOUND_MIXER_RADIO 23 /* Radio in */ 943 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 944 945 946 /* 947 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 948 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 949 */ 950 #define SOUND_ONOFF_MIN 28 951 #define SOUND_ONOFF_MAX 30 952 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 953 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 954 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 955 956 /* Note! Number 31 cannot be used since the sign bit is reserved */ 957 #define SOUND_MIXER_NONE 31 958 959 #define SOUND_DEVICE_LABELS { \ 960 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 961 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 962 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 963 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 964 965 #define SOUND_DEVICE_NAMES { \ 966 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 967 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 968 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 969 "phin", "phout", "video", "radio", "monitor"} 970 971 /* Device bitmask identifiers */ 972 973 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 974 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 975 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 976 #define SOUND_MIXER_CAPS 0xfc 977 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 978 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 979 980 /* Device mask bits */ 981 982 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 983 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 984 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 985 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 986 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 987 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 988 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 989 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 990 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 991 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 992 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 993 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 994 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 995 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 996 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 997 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 998 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 999 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1000 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1001 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1002 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1003 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1004 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1005 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1006 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1007 1008 /* Obsolete macros */ 1009 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1010 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1011 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1012 1013 #define MIXER_READ(dev) _IOR('M', dev, int) 1014 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1015 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1016 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1017 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1018 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1019 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1020 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1021 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1022 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1023 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1024 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1025 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1026 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1027 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1028 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1029 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1030 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1031 1032 /* Obsolete macros */ 1033 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1034 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1035 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1036 1037 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1038 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1039 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1040 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1041 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1042 1043 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1044 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1045 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1046 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1047 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1048 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1049 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1050 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1051 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1052 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1053 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1054 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1055 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1056 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1057 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1058 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1059 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1060 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1061 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1062 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1063 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1064 1065 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1066 1067 #define LEFT_CHN 0 1068 #define RIGHT_CHN 1 1069 1070 /* 1071 * Level 2 event types for /dev/sequencer 1072 */ 1073 1074 /* 1075 * The 4 most significant bits of byte 0 specify the class of 1076 * the event: 1077 * 1078 * 0x8X = system level events, 1079 * 0x9X = device/port specific events, event[1] = device/port, 1080 * The last 4 bits give the subtype: 1081 * 0x02 = Channel event (event[3] = chn). 1082 * 0x01 = note event (event[4] = note). 1083 * (0x01 is not used alone but always with bit 0x02). 1084 * event[2] = MIDI message code (0x80=note off etc.) 1085 * 1086 */ 1087 1088 #define EV_SEQ_LOCAL 0x80 1089 #define EV_TIMING 0x81 1090 #define EV_CHN_COMMON 0x92 1091 #define EV_CHN_VOICE 0x93 1092 #define EV_SYSEX 0x94 1093 /* 1094 * Event types 200 to 220 are reserved for application use. 1095 * These numbers will not be used by the driver. 1096 */ 1097 1098 /* 1099 * Events for event type EV_CHN_VOICE 1100 */ 1101 1102 #define MIDI_NOTEOFF 0x80 1103 #define MIDI_NOTEON 0x90 1104 #define MIDI_KEY_PRESSURE 0xA0 1105 1106 /* 1107 * Events for event type EV_CHN_COMMON 1108 */ 1109 1110 #define MIDI_CTL_CHANGE 0xB0 1111 #define MIDI_PGM_CHANGE 0xC0 1112 #define MIDI_CHN_PRESSURE 0xD0 1113 #define MIDI_PITCH_BEND 0xE0 1114 1115 #define MIDI_SYSTEM_PREFIX 0xF0 1116 1117 /* 1118 * Timer event types 1119 */ 1120 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1121 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1122 #define TMR_STOP 3 1123 #define TMR_START 4 1124 #define TMR_CONTINUE 5 1125 #define TMR_TEMPO 6 1126 #define TMR_ECHO 8 1127 #define TMR_CLOCK 9 /* MIDI clock */ 1128 #define TMR_SPP 10 /* Song position pointer */ 1129 #define TMR_TIMESIG 11 /* Time signature */ 1130 1131 /* 1132 * Local event types 1133 */ 1134 #define LOCL_STARTAUDIO 1 1135 1136 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1137 /* 1138 * Some convenience macros to simplify programming of the 1139 * /dev/sequencer interface 1140 * 1141 * These macros define the API which should be used when possible. 1142 */ 1143 1144 #ifndef USE_SIMPLE_MACROS 1145 void seqbuf_dump (void); /* This function must be provided by programs */ 1146 1147 /* Sample seqbuf_dump() implementation: 1148 * 1149 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1150 * 1151 * int seqfd; -- The file descriptor for /dev/sequencer. 1152 * 1153 * void 1154 * seqbuf_dump () 1155 * { 1156 * if (_seqbufptr) 1157 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1158 * { 1159 * perror ("write /dev/sequencer"); 1160 * exit (-1); 1161 * } 1162 * _seqbufptr = 0; 1163 * } 1164 */ 1165 1166 #define SEQ_DEFINEBUF(len) \ 1167 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1168 #define SEQ_USE_EXTBUF() \ 1169 extern u_char _seqbuf[]; \ 1170 extern int _seqbuflen;extern int _seqbufptr 1171 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1172 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1173 #define _SEQ_NEEDBUF(len) \ 1174 if ((_seqbufptr+(len)) > _seqbuflen) \ 1175 seqbuf_dump() 1176 #define _SEQ_ADVBUF(len) _seqbufptr += len 1177 #define SEQ_DUMPBUF seqbuf_dump 1178 #else 1179 /* 1180 * This variation of the sequencer macros is used just to format one event 1181 * using fixed buffer. 1182 * 1183 * The program using the macro library must define the following macros before 1184 * using this library. 1185 * 1186 * #define _seqbuf name of the buffer (u_char[]) 1187 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1188 * size of the event, this macro can be used. 1189 * Otherwise this must be defined as empty. 1190 * #define _seqbufptr Define the name of index variable or 0 if 1191 * not required. 1192 */ 1193 #define _SEQ_NEEDBUF(len) /* empty */ 1194 #endif 1195 1196 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1197 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1198 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1199 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1200 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1201 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1202 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1203 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1204 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1205 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1206 1207 #define SEQ_VOLUME_MODE(dev, mode) { \ 1208 _SEQ_NEEDBUF(8);\ 1209 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1210 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1211 _seqbuf[_seqbufptr+2] = (dev);\ 1212 _seqbuf[_seqbufptr+3] = (mode);\ 1213 _seqbuf[_seqbufptr+4] = 0;\ 1214 _seqbuf[_seqbufptr+5] = 0;\ 1215 _seqbuf[_seqbufptr+6] = 0;\ 1216 _seqbuf[_seqbufptr+7] = 0;\ 1217 _SEQ_ADVBUF(8);} 1218 1219 /* 1220 * Midi voice messages 1221 */ 1222 1223 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1224 _SEQ_NEEDBUF(8);\ 1225 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1226 _seqbuf[_seqbufptr+1] = (dev);\ 1227 _seqbuf[_seqbufptr+2] = (event);\ 1228 _seqbuf[_seqbufptr+3] = (chn);\ 1229 _seqbuf[_seqbufptr+4] = (note);\ 1230 _seqbuf[_seqbufptr+5] = (parm);\ 1231 _seqbuf[_seqbufptr+6] = (0);\ 1232 _seqbuf[_seqbufptr+7] = 0;\ 1233 _SEQ_ADVBUF(8);} 1234 1235 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1236 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1237 1238 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1239 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1240 1241 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1242 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1243 1244 /* 1245 * Midi channel messages 1246 */ 1247 1248 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1249 _SEQ_NEEDBUF(8);\ 1250 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1251 _seqbuf[_seqbufptr+1] = (dev);\ 1252 _seqbuf[_seqbufptr+2] = (event);\ 1253 _seqbuf[_seqbufptr+3] = (chn);\ 1254 _seqbuf[_seqbufptr+4] = (p1);\ 1255 _seqbuf[_seqbufptr+5] = (p2);\ 1256 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1257 _SEQ_ADVBUF(8);} 1258 /* 1259 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1260 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1261 * so _will_ cause problems with MPU401 intelligent mode). 1262 * 1263 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1264 * sent by calling SEQ_SYSEX() several times (there must be no other events 1265 * between them). First sysex fragment must have 0xf0 in the first byte 1266 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1267 * between these sysex start and end markers cannot be larger than 0x7f. Also 1268 * lengths of each fragments (except the last one) must be 6. 1269 * 1270 * Breaking the above rules may work with some MIDI ports but is likely to 1271 * cause fatal problems with some other devices (such as MPU401). 1272 */ 1273 #define SEQ_SYSEX(dev, buf, len) { \ 1274 int i, l=(len); if (l>6)l=6;\ 1275 _SEQ_NEEDBUF(8);\ 1276 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1277 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1278 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1279 _SEQ_ADVBUF(8);} 1280 1281 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1282 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1283 1284 #define SEQ_SET_PATCH(dev, chn, patch) \ 1285 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1286 1287 #define SEQ_CONTROL(dev, chn, controller, value) \ 1288 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1289 1290 #define SEQ_BENDER(dev, chn, value) \ 1291 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1292 1293 1294 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1295 _SEQ_NEEDBUF(8);\ 1296 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1297 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1298 _seqbuf[_seqbufptr+2] = (dev);\ 1299 _seqbuf[_seqbufptr+3] = (voice);\ 1300 _seqbuf[_seqbufptr+4] = (controller);\ 1301 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1302 _seqbuf[_seqbufptr+7] = 0;\ 1303 _SEQ_ADVBUF(8);} 1304 1305 /* 1306 * The following 5 macros are incorrectly implemented and obsolete. 1307 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1308 */ 1309 1310 #define SEQ_PITCHBEND(dev, voice, value) \ 1311 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1312 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1313 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1314 #define SEQ_EXPRESSION(dev, voice, value) \ 1315 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1316 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1317 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1318 #define SEQ_PANNING(dev, voice, pos) \ 1319 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1320 1321 /* 1322 * Timing and syncronization macros 1323 */ 1324 1325 #define _TIMER_EVENT(ev, parm) { \ 1326 _SEQ_NEEDBUF(8);\ 1327 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1328 _seqbuf[_seqbufptr+1] = (ev); \ 1329 _seqbuf[_seqbufptr+2] = 0;\ 1330 _seqbuf[_seqbufptr+3] = 0;\ 1331 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1332 _SEQ_ADVBUF(8); \ 1333 } 1334 1335 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1336 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1337 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1338 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1339 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1340 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1341 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1342 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1343 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1344 1345 /* 1346 * Local control events 1347 */ 1348 1349 #define _LOCAL_EVENT(ev, parm) { \ 1350 _SEQ_NEEDBUF(8);\ 1351 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1352 _seqbuf[_seqbufptr+1] = (ev); \ 1353 _seqbuf[_seqbufptr+2] = 0;\ 1354 _seqbuf[_seqbufptr+3] = 0;\ 1355 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1356 _SEQ_ADVBUF(8); \ 1357 } 1358 1359 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1360 /* 1361 * Events for the level 1 interface only 1362 */ 1363 1364 #define SEQ_MIDIOUT(device, byte) { \ 1365 _SEQ_NEEDBUF(4);\ 1366 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1367 _seqbuf[_seqbufptr+1] = (byte);\ 1368 _seqbuf[_seqbufptr+2] = (device);\ 1369 _seqbuf[_seqbufptr+3] = 0;\ 1370 _SEQ_ADVBUF(4);} 1371 1372 /* 1373 * Patch loading. 1374 */ 1375 #define SEQ_WRPATCH(patchx, len) { \ 1376 if (_seqbufptr) seqbuf_dump(); \ 1377 if (write(seqfd, (char*)(patchx), len)==-1) \ 1378 perror("Write patch: /dev/sequencer"); \ 1379 } 1380 1381 #define SEQ_WRPATCH2(patchx, len) \ 1382 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1383 1384 #endif 1385 1386 /* 1387 * Here I have moved all the aliases for ioctl names. 1388 */ 1389 1390 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1391 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1392 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1393 1394 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1395 #define SOUND_PCM_POST SNDCTL_DSP_POST 1396 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1397 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1398 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1399 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1400 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1401 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1402 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1403 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1404 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1405 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1406 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1407 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1408 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1409 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1410 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1411 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1412 1413 #endif /* !_SYS_SOUNDCARD_H_ */ 1414