1 /* 2 * soundcard.h 3 */ 4 5 /*- 6 * Copyright by Hannu Savolainen 1993 7 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 22 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 23 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 26 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: src/sys/sys/soundcard.h,v 1.44.2.1 2005/12/30 19:55:52 netchild Exp $ 33 * $DragonFly: src/sys/sys/soundcard.h,v 1.7 2007/01/04 21:47:03 corecode Exp $ 34 */ 35 36 #ifndef _SYS_SOUNDCARD_H_ 37 #define _SYS_SOUNDCARD_H_ 38 /* 39 * If you make modifications to this file, please contact me before 40 * distributing the modified version. There is already enough 41 * diversity in the world. 42 * 43 * Regards, 44 * Hannu Savolainen 45 * hannu@voxware.pp.fi 46 * 47 ********************************************************************** 48 * PS. The Hacker's Guide to VoxWare available from 49 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 50 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 51 * some useful information about programming with VoxWare. 52 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 53 * to cd inside them before the files are accessible.) 54 ********************************************************************** 55 */ 56 57 /* 58 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 59 * should not depend on it, but rather look at the capabilities 60 * of the driver in the kernel! 61 */ 62 #define SOUND_VERSION 301 63 #define VOXWARE /* does this have any use ? */ 64 65 /* 66 * Supported card ID numbers (Should be somewhere else? We keep 67 * them here just for compativility with the old driver, but these 68 * constants are of little or no use). 69 */ 70 71 #define SNDCARD_ADLIB 1 72 #define SNDCARD_SB 2 73 #define SNDCARD_PAS 3 74 #define SNDCARD_GUS 4 75 #define SNDCARD_MPU401 5 76 #define SNDCARD_SB16 6 77 #define SNDCARD_SB16MIDI 7 78 #define SNDCARD_UART6850 8 79 #define SNDCARD_GUS16 9 80 #define SNDCARD_MSS 10 81 #define SNDCARD_PSS 11 82 #define SNDCARD_SSCAPE 12 83 #define SNDCARD_PSS_MPU 13 84 #define SNDCARD_PSS_MSS 14 85 #define SNDCARD_SSCAPE_MSS 15 86 #define SNDCARD_TRXPRO 16 87 #define SNDCARD_TRXPRO_SB 17 88 #define SNDCARD_TRXPRO_MPU 18 89 #define SNDCARD_MAD16 19 90 #define SNDCARD_MAD16_MPU 20 91 #define SNDCARD_CS4232 21 92 #define SNDCARD_CS4232_MPU 22 93 #define SNDCARD_MAUI 23 94 #define SNDCARD_PSEUDO_MSS 24 95 #define SNDCARD_AWE32 25 96 #define SNDCARD_NSS 26 97 #define SNDCARD_UART16550 27 98 #define SNDCARD_OPL 28 99 100 #include <sys/types.h> 101 #include <machine/endian.h> 102 #ifndef _IOWR 103 #include <sys/ioccom.h> 104 #endif /* !_IOWR */ 105 106 /* 107 * The first part of this file contains the new FreeBSD sound ioctl 108 * interface. Tries to minimize the number of different ioctls, and 109 * to be reasonably general. 110 * 111 * 970821: some of the new calls have not been implemented yet. 112 */ 113 114 /* 115 * the following three calls extend the generic file descriptor 116 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 117 * number of bytes for a write operation to be non-blocking. 118 * 119 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 120 * from a character device (default) to a block device. In block mode, 121 * (not to be confused with blocking mode) the main difference for the 122 * application is that select() will return only when a complete 123 * block can be read/written to the device, whereas in character mode 124 * select will return true when one byte can be exchanged. For audio 125 * devices, character mode makes select almost useless since one byte 126 * will always be ready by the next sample time (which is often only a 127 * handful of microseconds away). 128 * Use a size of 0 or 1 to return to character mode. 129 */ 130 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 131 struct snd_size { 132 int play_size; 133 int rec_size; 134 }; 135 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 136 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 137 138 /* 139 * The following constants define supported audio formats. The 140 * encoding follows voxware conventions, i.e. 1 bit for each supported 141 * format. We extend it by using bit 31 (RO) to indicate full-duplex 142 * capability, and bit 29 (RO) to indicate that the card supports/ 143 * needs different formats on capture & playback channels. 144 * Bit 29 (RW) is used to indicate/ask stereo. 145 * 146 * The number of bits required to store the sample is: 147 * o 4 bits for the IDA ADPCM format, 148 * o 8 bits for 8-bit formats, mu-law and A-law, 149 * o 16 bits for the 16-bit formats, and 150 * o 32 bits for the 24/32-bit formats. 151 * o undefined for the MPEG audio format. 152 */ 153 154 #define AFMT_QUERY 0x00000000 /* Return current format */ 155 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 156 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 157 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 158 * squence represented using the 159 * the average 4 bits per sample */ 160 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 161 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 162 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 163 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 164 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 165 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 166 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 167 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 168 169 #if _BYTE_ORDER == _LITTLE_ENDIAN 170 #define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */ 171 #else 172 #define AFMT_S16_NE AFMT_S16_BE 173 #endif 174 175 /* 176 * 32-bit formats below used for 24-bit audio data where the data is stored 177 * in the 24 most significant bits and the least significant bits are not used 178 * (should be set to 0). 179 */ 180 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 181 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 182 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 183 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 184 #define AFMT_S24_LE 0x00010000 /* Little endian signed 24-bit */ 185 #define AFMT_S24_BE 0x00020000 /* Big endian signed 24-bit */ 186 #define AFMT_U24_LE 0x00040000 /* Little endian unsigned 24-bit */ 187 #define AFMT_U24_BE 0x00080000 /* Big endian unsigned 24-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 #define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 307 308 struct seq_event_rec { 309 u_char arr[8]; 310 }; 311 312 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 313 #define SNDCTL_TMR_START _IO ('T', 2) 314 #define SNDCTL_TMR_STOP _IO ('T', 3) 315 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 316 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 317 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 318 # define TMR_INTERNAL 0x00000001 319 # define TMR_EXTERNAL 0x00000002 320 # define TMR_MODE_MIDI 0x00000010 321 # define TMR_MODE_FSK 0x00000020 322 # define TMR_MODE_CLS 0x00000040 323 # define TMR_MODE_SMPTE 0x00000080 324 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 325 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 326 327 /* 328 * Endian aware patch key generation algorithm. 329 */ 330 331 #if defined(_AIX) || defined(AIX) 332 # define _PATCHKEY(id) (0xfd00|id) 333 #else 334 # define _PATCHKEY(id) ((id<<8)|0xfd) 335 #endif 336 337 /* 338 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 339 * The following patch_info structure has been designed to support 340 * Gravis UltraSound. It tries to be universal format for uploading 341 * sample based patches but is probably too limited. 342 */ 343 344 struct patch_info { 345 /* u_short key; Use GUS_PATCH here */ 346 short key; /* Use GUS_PATCH here */ 347 #define GUS_PATCH _PATCHKEY(0x04) 348 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 349 350 short device_no; /* Synthesizer number */ 351 short instr_no; /* Midi pgm# */ 352 353 u_long mode; 354 /* 355 * The least significant byte has the same format than the GUS .PAT 356 * files 357 */ 358 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 359 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 360 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 361 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 362 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 363 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 364 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 365 /* (use the env_rate/env_offs fields). */ 366 /* Linux specific bits */ 367 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 368 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 369 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 370 /* Other bits must be zeroed */ 371 372 long len; /* Size of the wave data in bytes */ 373 long loop_start, loop_end; /* Byte offsets from the beginning */ 374 375 /* 376 * The base_freq and base_note fields are used when computing the 377 * playback speed for a note. The base_note defines the tone frequency 378 * which is heard if the sample is played using the base_freq as the 379 * playback speed. 380 * 381 * The low_note and high_note fields define the minimum and maximum note 382 * frequencies for which this sample is valid. It is possible to define 383 * more than one samples for an instrument number at the same time. The 384 * low_note and high_note fields are used to select the most suitable one. 385 * 386 * The fields base_note, high_note and low_note should contain 387 * the note frequency multiplied by 1000. For example value for the 388 * middle A is 440*1000. 389 */ 390 391 u_int base_freq; 392 u_long base_note; 393 u_long high_note; 394 u_long low_note; 395 int panning; /* -128=left, 127=right */ 396 int detuning; 397 398 /* New fields introduced in version 1.99.5 */ 399 400 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 401 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 402 u_char env_offset[ 6 ]; /* 255 == 100% */ 403 404 /* 405 * The tremolo, vibrato and scale info are not supported yet. 406 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 407 * WAVE_SCALE 408 */ 409 410 u_char tremolo_sweep; 411 u_char tremolo_rate; 412 u_char tremolo_depth; 413 414 u_char vibrato_sweep; 415 u_char vibrato_rate; 416 u_char vibrato_depth; 417 418 int scale_frequency; 419 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 420 421 int volume; 422 int spare[4]; 423 char data[1]; /* The waveform data starts here */ 424 }; 425 426 struct sysex_info { 427 short key; /* Use GUS_PATCH here */ 428 #define SYSEX_PATCH _PATCHKEY(0x05) 429 #define MAUI_PATCH _PATCHKEY(0x06) 430 short device_no; /* Synthesizer number */ 431 long len; /* Size of the sysex data in bytes */ 432 u_char data[1]; /* Sysex data starts here */ 433 }; 434 435 /* 436 * Patch management interface (/dev/sequencer, /dev/patmgr#) 437 * Don't use these calls if you want to maintain compatibility with 438 * the future versions of the driver. 439 */ 440 441 #define PS_NO_PATCHES 0 /* No patch support on device */ 442 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 443 #define PS_MGR_OK 2 /* Patch manager supported */ 444 #define PS_MANAGED 3 /* Patch manager running */ 445 446 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 447 448 /* 449 * The patmgr_info is a fixed size structure which is used for two 450 * different purposes. The intended use is for communication between 451 * the application using /dev/sequencer and the patch manager daemon 452 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 453 * 454 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 455 * a patch manager daemon to read and write device parameters. This 456 * ioctl available through /dev/sequencer also. Avoid using it since it's 457 * extremely hardware dependent. In addition access trough /dev/sequencer 458 * may confuse the patch manager daemon. 459 */ 460 461 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 462 u_long key; /* Don't worry. Reserved for communication 463 between the patch manager and the driver. */ 464 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 465 #define PM_K_COMMAND 2 /* Request from an application */ 466 #define PM_K_RESPONSE 3 /* From patmgr to application */ 467 #define PM_ERROR 4 /* Error returned by the patmgr */ 468 int device; 469 int command; 470 471 /* 472 * Commands 0x000 to 0xfff reserved for patch manager programs 473 */ 474 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 475 #define PMTYPE_FM2 1 /* 2 OP fm */ 476 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 477 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 478 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 479 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 480 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 481 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 482 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 483 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 484 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 485 486 /* 487 * Commands 0x1000 to 0xffff are for communication between the patch manager 488 * and the client 489 */ 490 #define _PM_LOAD_PATCH 0x100 491 492 /* 493 * Commands above 0xffff reserved for device specific use 494 */ 495 496 long parm1; 497 long parm2; 498 long parm3; 499 500 union { 501 u_char data8[4000]; 502 u_short data16[2000]; 503 u_long data32[1000]; 504 struct patch_info patch; 505 } data; 506 }; 507 508 /* 509 * When a patch manager daemon is present, it will be informed by the 510 * driver when something important happens. For example when the 511 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 512 * returned. The command field contains the event type: 513 */ 514 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 515 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 516 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 517 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 518 519 /* 520 * /dev/sequencer input events. 521 * 522 * The data written to the /dev/sequencer is a stream of events. Events 523 * are records of 4 or 8 bytes. The first byte defines the size. 524 * Any number of events can be written with a write call. There 525 * is a set of macros for sending these events. Use these macros if you 526 * want to maximize portability of your program. 527 * 528 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 529 * (All input events are currently 4 bytes long. Be prepared to support 530 * 8 byte events also. If you receive any event having first byte >= 128, 531 * it's a 8 byte event. 532 * 533 * The events are documented at the end of this file. 534 * 535 * Normal events (4 bytes) 536 * There is also a 8 byte version of most of the 4 byte events. The 537 * 8 byte one is recommended. 538 */ 539 #define SEQ_NOTEOFF 0 540 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 541 #define SEQ_NOTEON 1 542 #define SEQ_FMNOTEON SEQ_NOTEON 543 #define SEQ_WAIT TMR_WAIT_ABS 544 #define SEQ_PGMCHANGE 3 545 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 546 #define SEQ_SYNCTIMER TMR_START 547 #define SEQ_MIDIPUTC 5 548 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 549 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 550 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 551 #define SEQ_AFTERTOUCH 9 552 #define SEQ_CONTROLLER 10 553 554 /* 555 * Midi controller numbers 556 * 557 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 558 * are continuous controllers. 559 * In the MIDI 1.0 these controllers are sent using two messages. 560 * Controller numbers 0 to 31 are used to send the MSB and the 561 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 562 * are used in MIDI bytes. 563 */ 564 565 #define CTL_BANK_SELECT 0x00 566 #define CTL_MODWHEEL 0x01 567 #define CTL_BREATH 0x02 568 /* undefined 0x03 */ 569 #define CTL_FOOT 0x04 570 #define CTL_PORTAMENTO_TIME 0x05 571 #define CTL_DATA_ENTRY 0x06 572 #define CTL_MAIN_VOLUME 0x07 573 #define CTL_BALANCE 0x08 574 /* undefined 0x09 */ 575 #define CTL_PAN 0x0a 576 #define CTL_EXPRESSION 0x0b 577 /* undefined 0x0c - 0x0f */ 578 #define CTL_GENERAL_PURPOSE1 0x10 579 #define CTL_GENERAL_PURPOSE2 0x11 580 #define CTL_GENERAL_PURPOSE3 0x12 581 #define CTL_GENERAL_PURPOSE4 0x13 582 /* undefined 0x14 - 0x1f */ 583 584 /* undefined 0x20 */ 585 586 /* 587 * The controller numbers 0x21 to 0x3f are reserved for the 588 * least significant bytes of the controllers 0x00 to 0x1f. 589 * These controllers are not recognised by the driver. 590 * 591 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 592 * 0=OFF and 127=ON (intermediate values are possible) 593 */ 594 #define CTL_DAMPER_PEDAL 0x40 595 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 596 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 597 #define CTL_PORTAMENTO 0x41 598 #define CTL_SOSTENUTO 0x42 599 #define CTL_SOFT_PEDAL 0x43 600 /* undefined 0x44 */ 601 #define CTL_HOLD2 0x45 602 /* undefined 0x46 - 0x4f */ 603 604 #define CTL_GENERAL_PURPOSE5 0x50 605 #define CTL_GENERAL_PURPOSE6 0x51 606 #define CTL_GENERAL_PURPOSE7 0x52 607 #define CTL_GENERAL_PURPOSE8 0x53 608 /* undefined 0x54 - 0x5a */ 609 #define CTL_EXT_EFF_DEPTH 0x5b 610 #define CTL_TREMOLO_DEPTH 0x5c 611 #define CTL_CHORUS_DEPTH 0x5d 612 #define CTL_DETUNE_DEPTH 0x5e 613 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 614 #define CTL_PHASER_DEPTH 0x5f 615 #define CTL_DATA_INCREMENT 0x60 616 #define CTL_DATA_DECREMENT 0x61 617 #define CTL_NONREG_PARM_NUM_LSB 0x62 618 #define CTL_NONREG_PARM_NUM_MSB 0x63 619 #define CTL_REGIST_PARM_NUM_LSB 0x64 620 #define CTL_REGIST_PARM_NUM_MSB 0x65 621 /* undefined 0x66 - 0x78 */ 622 /* reserved 0x79 - 0x7f */ 623 624 /* Pseudo controllers (not midi compatible) */ 625 #define CTRL_PITCH_BENDER 255 626 #define CTRL_PITCH_BENDER_RANGE 254 627 #define CTRL_EXPRESSION 253 /* Obsolete */ 628 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 629 630 #define SEQ_BALANCE 11 631 #define SEQ_VOLMODE 12 632 633 /* 634 * Volume mode decides how volumes are used 635 */ 636 637 #define VOL_METHOD_ADAGIO 1 638 #define VOL_METHOD_LINEAR 2 639 640 /* 641 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 642 * input events. 643 */ 644 645 /* 646 * Event codes 0xf0 to 0xfc are reserved for future extensions. 647 */ 648 649 #define SEQ_FULLSIZE 0xfd /* Long events */ 650 /* 651 * SEQ_FULLSIZE events are used for loading patches/samples to the 652 * synthesizer devices. These events are passed directly to the driver 653 * of the associated synthesizer device. There is no limit to the size 654 * of the extended events. These events are not queued but executed 655 * immediately when the write() is called (execution can take several 656 * seconds of time). 657 * 658 * When a SEQ_FULLSIZE message is written to the device, it must 659 * be written using exactly one write() call. Other events cannot 660 * be mixed to the same write. 661 * 662 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 663 * it to the /dev/sequencer. Don't write other data together with 664 * the instrument structure Set the key field of the structure to 665 * FM_PATCH. The device field is used to route the patch to the 666 * corresponding device. 667 * 668 * For Gravis UltraSound use struct patch_info. Initialize the key field 669 * to GUS_PATCH. 670 */ 671 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 672 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 673 674 /* 675 * Record for FM patches 676 */ 677 678 typedef u_char sbi_instr_data[32]; 679 680 struct sbi_instrument { 681 u_short key; /* FM_PATCH or OPL3_PATCH */ 682 #define FM_PATCH _PATCHKEY(0x01) 683 #define OPL3_PATCH _PATCHKEY(0x03) 684 short device; /* Synth# (0-4) */ 685 int channel; /* Program# to be initialized */ 686 sbi_instr_data operators; /* Reg. settings for operator cells 687 * (.SBI format) */ 688 }; 689 690 struct synth_info { /* Read only */ 691 char name[30]; 692 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 693 int synth_type; 694 #define SYNTH_TYPE_FM 0 695 #define SYNTH_TYPE_SAMPLE 1 696 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 697 698 int synth_subtype; 699 #define FM_TYPE_ADLIB 0x00 700 #define FM_TYPE_OPL3 0x01 701 #define MIDI_TYPE_MPU401 0x401 702 703 #define SAMPLE_TYPE_BASIC 0x10 704 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 705 #define SAMPLE_TYPE_AWE32 0x20 706 707 int perc_mode; /* No longer supported */ 708 int nr_voices; 709 int nr_drums; /* Obsolete field */ 710 int instr_bank_size; 711 u_long capabilities; 712 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 713 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 714 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 715 int dummies[19]; /* Reserve space */ 716 }; 717 718 struct sound_timer_info { 719 char name[32]; 720 int caps; 721 }; 722 723 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 724 725 struct midi_info { 726 char name[30]; 727 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 728 u_long capabilities; /* To be defined later */ 729 int dev_type; 730 int dummies[18]; /* Reserve space */ 731 }; 732 733 /* 734 * ioctl commands for the /dev/midi## 735 */ 736 typedef struct { 737 u_char cmd; 738 char nr_args, nr_returns; 739 u_char data[30]; 740 } mpu_command_rec; 741 742 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 743 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 744 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 745 #define MIOSPASSTHRU _IOWR('m', 3, int) 746 #define MIOGPASSTHRU _IOWR('m', 4, int) 747 748 /* 749 * IOCTL commands for /dev/dsp and /dev/audio 750 */ 751 752 #define SNDCTL_DSP_RESET _IO ('P', 0) 753 #define SNDCTL_DSP_SYNC _IO ('P', 1) 754 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 755 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 756 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 757 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 758 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 759 760 /* 761 * SOUND_PCM_WRITE_CHANNELS is not that different 762 * from SNDCTL_DSP_STEREO 763 */ 764 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 765 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 766 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 767 #define SNDCTL_DSP_POST _IO ('P', 8) 768 769 /* 770 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 771 * the same thing, i.e. set the block size used in DMA transfers. 772 */ 773 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 774 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 775 776 777 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 778 /* 779 * Buffer status queries. 780 */ 781 typedef struct audio_buf_info { 782 int fragments; /* # of avail. frags (partly used ones not counted) */ 783 int fragstotal; /* Total # of fragments allocated */ 784 int fragsize; /* Size of a fragment in bytes */ 785 786 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 787 /* Note! 'bytes' could be more than fragments*fragsize */ 788 } audio_buf_info; 789 790 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 791 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 792 793 /* 794 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 795 * action cannot be undone) of FIONBIO. The same can be achieved 796 * by opening the device with O_NDELAY 797 */ 798 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 799 800 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 801 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 802 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 803 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 804 #define DSP_CAP_BATCH 0x00000400 805 /* 806 * Device has some kind of internal buffers which may 807 * cause some delays and decrease precision of timing 808 */ 809 #define DSP_CAP_COPROC 0x00000800 810 /* Has a coprocessor, sometimes it's a DSP but usually not */ 811 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 812 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 813 814 /* 815 * What do these function do ? 816 */ 817 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 818 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 819 #define PCM_ENABLE_INPUT 0x00000001 820 #define PCM_ENABLE_OUTPUT 0x00000002 821 822 typedef struct count_info { 823 int bytes; /* Total # of bytes processed */ 824 int blocks; /* # of fragment transitions since last time */ 825 int ptr; /* Current DMA pointer value */ 826 } count_info; 827 828 /* 829 * GETIPTR and GETISPACE are not that different... same for out. 830 */ 831 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 832 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 833 834 typedef struct buffmem_desc { 835 caddr_t buffer; 836 int size; 837 } buffmem_desc; 838 839 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 840 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 841 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 842 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 843 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 844 845 /* 846 * I guess these are the readonly version of the same 847 * functions that exist above as SNDCTL_DSP_... 848 */ 849 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 850 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 851 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 852 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 853 854 /* 855 * ioctl calls to be used in communication with coprocessors and 856 * DSP chips. 857 */ 858 859 typedef struct copr_buffer { 860 int command; /* Set to 0 if not used */ 861 int flags; 862 #define CPF_NONE 0x0000 863 #define CPF_FIRST 0x0001 /* First block */ 864 #define CPF_LAST 0x0002 /* Last block */ 865 int len; 866 int offs; /* If required by the device (0 if not used) */ 867 868 u_char data[4000]; /* NOTE! 4000 is not 4k */ 869 } copr_buffer; 870 871 typedef struct copr_debug_buf { 872 int command; /* Used internally. Set to 0 */ 873 int parm1; 874 int parm2; 875 int flags; 876 int len; /* Length of data in bytes */ 877 } copr_debug_buf; 878 879 typedef struct copr_msg { 880 int len; 881 u_char data[4000]; 882 } copr_msg; 883 884 #define SNDCTL_COPR_RESET _IO ('C', 0) 885 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 886 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 887 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 888 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 889 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 890 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 891 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 892 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 893 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 894 895 /* 896 * IOCTL commands for /dev/mixer 897 */ 898 899 /* 900 * Mixer devices 901 * 902 * There can be up to 20 different analog mixer channels. The 903 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 904 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 905 * the devices supported by the particular mixer. 906 */ 907 908 #define SOUND_MIXER_NRDEVICES 25 909 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 910 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 911 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 912 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 913 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 914 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 915 * signals */ 916 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 917 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 918 * the microphone jack */ 919 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 920 * connected to the CD audio input */ 921 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 922 * output volume of the selected 923 * recording sources while recording */ 924 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 925 * device */ 926 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 927 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 928 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 929 /* 930 * The AD1848 codec and compatibles have three line level inputs 931 * (line, aux1 and aux2). Since each card manufacturer have assigned 932 * different meanings to these inputs, it's inpractical to assign 933 * specific meanings (line, cd, synth etc.) to them. 934 */ 935 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 936 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 937 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 938 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 939 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 940 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 941 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 942 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 943 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 944 #define SOUND_MIXER_RADIO 23 /* Radio in */ 945 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 946 947 948 /* 949 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 950 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 951 */ 952 #define SOUND_ONOFF_MIN 28 953 #define SOUND_ONOFF_MAX 30 954 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 955 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 956 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 957 958 /* Note! Number 31 cannot be used since the sign bit is reserved */ 959 #define SOUND_MIXER_NONE 31 960 961 #define SOUND_DEVICE_LABELS { \ 962 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 963 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 964 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 965 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 966 967 #define SOUND_DEVICE_NAMES { \ 968 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 969 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 970 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 971 "phin", "phout", "video", "radio", "monitor"} 972 973 /* Device bitmask identifiers */ 974 975 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 976 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 977 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 978 #define SOUND_MIXER_CAPS 0xfc 979 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 980 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 981 982 /* Device mask bits */ 983 984 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 985 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 986 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 987 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 988 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 989 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 990 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 991 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 992 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 993 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 994 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 995 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 996 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 997 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 998 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 999 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 1000 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1001 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1002 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1003 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1004 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1005 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1006 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1007 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1008 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1009 1010 /* Obsolete macros */ 1011 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1012 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1013 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1014 1015 #define MIXER_READ(dev) _IOR('M', dev, int) 1016 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1017 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1018 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1019 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1020 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1021 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1022 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1023 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1024 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1025 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1026 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1027 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1028 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1029 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1030 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1031 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1032 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1033 #define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1034 #define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1035 #define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1036 #define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1037 #define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1038 #define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1039 #define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1040 #define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1041 1042 /* Obsolete macros */ 1043 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1044 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1045 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1046 1047 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1048 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1049 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1050 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1051 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1052 1053 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1054 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1055 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1056 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1057 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1058 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1059 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1060 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1061 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1062 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1063 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1064 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1065 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1066 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1067 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1068 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1069 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1070 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1071 #define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1072 #define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1073 #define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1074 #define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1075 #define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1076 #define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1077 #define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1078 #define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1079 1080 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1081 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1082 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1083 1084 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1085 1086 typedef struct mixer_info { 1087 char id[16]; 1088 char name[32]; 1089 int modify_counter; 1090 int fillers[10]; 1091 } mixer_info; 1092 1093 #define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 1094 1095 /* Some apps require this */ 1096 #define OSS_GETVERSION _IOR ('M', 118, int) 1097 1098 #define LEFT_CHN 0 1099 #define RIGHT_CHN 1 1100 1101 /* 1102 * Level 2 event types for /dev/sequencer 1103 */ 1104 1105 /* 1106 * The 4 most significant bits of byte 0 specify the class of 1107 * the event: 1108 * 1109 * 0x8X = system level events, 1110 * 0x9X = device/port specific events, event[1] = device/port, 1111 * The last 4 bits give the subtype: 1112 * 0x02 = Channel event (event[3] = chn). 1113 * 0x01 = note event (event[4] = note). 1114 * (0x01 is not used alone but always with bit 0x02). 1115 * event[2] = MIDI message code (0x80=note off etc.) 1116 * 1117 */ 1118 1119 #define EV_SEQ_LOCAL 0x80 1120 #define EV_TIMING 0x81 1121 #define EV_CHN_COMMON 0x92 1122 #define EV_CHN_VOICE 0x93 1123 #define EV_SYSEX 0x94 1124 /* 1125 * Event types 200 to 220 are reserved for application use. 1126 * These numbers will not be used by the driver. 1127 */ 1128 1129 /* 1130 * Events for event type EV_CHN_VOICE 1131 */ 1132 1133 #define MIDI_NOTEOFF 0x80 1134 #define MIDI_NOTEON 0x90 1135 #define MIDI_KEY_PRESSURE 0xA0 1136 1137 /* 1138 * Events for event type EV_CHN_COMMON 1139 */ 1140 1141 #define MIDI_CTL_CHANGE 0xB0 1142 #define MIDI_PGM_CHANGE 0xC0 1143 #define MIDI_CHN_PRESSURE 0xD0 1144 #define MIDI_PITCH_BEND 0xE0 1145 1146 #define MIDI_SYSTEM_PREFIX 0xF0 1147 1148 /* 1149 * Timer event types 1150 */ 1151 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1152 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1153 #define TMR_STOP 3 1154 #define TMR_START 4 1155 #define TMR_CONTINUE 5 1156 #define TMR_TEMPO 6 1157 #define TMR_ECHO 8 1158 #define TMR_CLOCK 9 /* MIDI clock */ 1159 #define TMR_SPP 10 /* Song position pointer */ 1160 #define TMR_TIMESIG 11 /* Time signature */ 1161 1162 /* 1163 * Local event types 1164 */ 1165 #define LOCL_STARTAUDIO 1 1166 1167 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1168 /* 1169 * Some convenience macros to simplify programming of the 1170 * /dev/sequencer interface 1171 * 1172 * These macros define the API which should be used when possible. 1173 */ 1174 1175 #ifndef USE_SIMPLE_MACROS 1176 void seqbuf_dump(void); /* This function must be provided by programs */ 1177 1178 /* Sample seqbuf_dump() implementation: 1179 * 1180 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1181 * 1182 * int seqfd; -- The file descriptor for /dev/sequencer. 1183 * 1184 * void 1185 * seqbuf_dump () 1186 * { 1187 * if (_seqbufptr) 1188 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1189 * { 1190 * perror ("write /dev/sequencer"); 1191 * exit (-1); 1192 * } 1193 * _seqbufptr = 0; 1194 * } 1195 */ 1196 1197 #define SEQ_DEFINEBUF(len) \ 1198 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1199 #define SEQ_USE_EXTBUF() \ 1200 extern u_char _seqbuf[]; \ 1201 extern int _seqbuflen;extern int _seqbufptr 1202 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1203 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1204 #define _SEQ_NEEDBUF(len) \ 1205 if ((_seqbufptr+(len)) > _seqbuflen) \ 1206 seqbuf_dump() 1207 #define _SEQ_ADVBUF(len) _seqbufptr += len 1208 #define SEQ_DUMPBUF seqbuf_dump 1209 #else 1210 /* 1211 * This variation of the sequencer macros is used just to format one event 1212 * using fixed buffer. 1213 * 1214 * The program using the macro library must define the following macros before 1215 * using this library. 1216 * 1217 * #define _seqbuf name of the buffer (u_char[]) 1218 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1219 * size of the event, this macro can be used. 1220 * Otherwise this must be defined as empty. 1221 * #define _seqbufptr Define the name of index variable or 0 if 1222 * not required. 1223 */ 1224 #define _SEQ_NEEDBUF(len) /* empty */ 1225 #endif 1226 1227 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1228 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1229 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1230 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1231 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1232 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1233 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1234 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1235 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1236 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1237 1238 #define SEQ_VOLUME_MODE(dev, mode) { \ 1239 _SEQ_NEEDBUF(8);\ 1240 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1241 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1242 _seqbuf[_seqbufptr+2] = (dev);\ 1243 _seqbuf[_seqbufptr+3] = (mode);\ 1244 _seqbuf[_seqbufptr+4] = 0;\ 1245 _seqbuf[_seqbufptr+5] = 0;\ 1246 _seqbuf[_seqbufptr+6] = 0;\ 1247 _seqbuf[_seqbufptr+7] = 0;\ 1248 _SEQ_ADVBUF(8);} 1249 1250 /* 1251 * Midi voice messages 1252 */ 1253 1254 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1255 _SEQ_NEEDBUF(8);\ 1256 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1257 _seqbuf[_seqbufptr+1] = (dev);\ 1258 _seqbuf[_seqbufptr+2] = (event);\ 1259 _seqbuf[_seqbufptr+3] = (chn);\ 1260 _seqbuf[_seqbufptr+4] = (note);\ 1261 _seqbuf[_seqbufptr+5] = (parm);\ 1262 _seqbuf[_seqbufptr+6] = (0);\ 1263 _seqbuf[_seqbufptr+7] = 0;\ 1264 _SEQ_ADVBUF(8);} 1265 1266 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1267 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1268 1269 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1270 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1271 1272 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1273 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1274 1275 /* 1276 * Midi channel messages 1277 */ 1278 1279 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1280 _SEQ_NEEDBUF(8);\ 1281 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1282 _seqbuf[_seqbufptr+1] = (dev);\ 1283 _seqbuf[_seqbufptr+2] = (event);\ 1284 _seqbuf[_seqbufptr+3] = (chn);\ 1285 _seqbuf[_seqbufptr+4] = (p1);\ 1286 _seqbuf[_seqbufptr+5] = (p2);\ 1287 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1288 _SEQ_ADVBUF(8);} 1289 /* 1290 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1291 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1292 * so _will_ cause problems with MPU401 intelligent mode). 1293 * 1294 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1295 * sent by calling SEQ_SYSEX() several times (there must be no other events 1296 * between them). First sysex fragment must have 0xf0 in the first byte 1297 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1298 * between these sysex start and end markers cannot be larger than 0x7f. Also 1299 * lengths of each fragments (except the last one) must be 6. 1300 * 1301 * Breaking the above rules may work with some MIDI ports but is likely to 1302 * cause fatal problems with some other devices (such as MPU401). 1303 */ 1304 #define SEQ_SYSEX(dev, buf, len) { \ 1305 int i, l=(len); if (l>6)l=6;\ 1306 _SEQ_NEEDBUF(8);\ 1307 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1308 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1309 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1310 _SEQ_ADVBUF(8);} 1311 1312 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1313 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1314 1315 #define SEQ_SET_PATCH(dev, chn, patch) \ 1316 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1317 1318 #define SEQ_CONTROL(dev, chn, controller, value) \ 1319 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1320 1321 #define SEQ_BENDER(dev, chn, value) \ 1322 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1323 1324 1325 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1326 _SEQ_NEEDBUF(8);\ 1327 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1328 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1329 _seqbuf[_seqbufptr+2] = (dev);\ 1330 _seqbuf[_seqbufptr+3] = (voice);\ 1331 _seqbuf[_seqbufptr+4] = (controller);\ 1332 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1333 _seqbuf[_seqbufptr+7] = 0;\ 1334 _SEQ_ADVBUF(8);} 1335 1336 /* 1337 * The following 5 macros are incorrectly implemented and obsolete. 1338 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1339 */ 1340 1341 #define SEQ_PITCHBEND(dev, voice, value) \ 1342 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1343 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1344 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1345 #define SEQ_EXPRESSION(dev, voice, value) \ 1346 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1347 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1348 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1349 #define SEQ_PANNING(dev, voice, pos) \ 1350 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1351 1352 /* 1353 * Timing and syncronization macros 1354 */ 1355 1356 #define _TIMER_EVENT(ev, parm) { \ 1357 _SEQ_NEEDBUF(8);\ 1358 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1359 _seqbuf[_seqbufptr+1] = (ev); \ 1360 _seqbuf[_seqbufptr+2] = 0;\ 1361 _seqbuf[_seqbufptr+3] = 0;\ 1362 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1363 _SEQ_ADVBUF(8); \ 1364 } 1365 1366 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1367 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1368 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1369 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1370 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1371 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1372 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1373 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1374 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1375 1376 /* 1377 * Local control events 1378 */ 1379 1380 #define _LOCAL_EVENT(ev, parm) { \ 1381 _SEQ_NEEDBUF(8);\ 1382 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1383 _seqbuf[_seqbufptr+1] = (ev); \ 1384 _seqbuf[_seqbufptr+2] = 0;\ 1385 _seqbuf[_seqbufptr+3] = 0;\ 1386 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1387 _SEQ_ADVBUF(8); \ 1388 } 1389 1390 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1391 /* 1392 * Events for the level 1 interface only 1393 */ 1394 1395 #define SEQ_MIDIOUT(device, byte) { \ 1396 _SEQ_NEEDBUF(4);\ 1397 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1398 _seqbuf[_seqbufptr+1] = (byte);\ 1399 _seqbuf[_seqbufptr+2] = (device);\ 1400 _seqbuf[_seqbufptr+3] = 0;\ 1401 _SEQ_ADVBUF(4);} 1402 1403 /* 1404 * Patch loading. 1405 */ 1406 #define SEQ_WRPATCH(patchx, len) { \ 1407 if (_seqbufptr) seqbuf_dump(); \ 1408 if (write(seqfd, (char*)(patchx), len)==-1) \ 1409 perror("Write patch: /dev/sequencer"); \ 1410 } 1411 1412 #define SEQ_WRPATCH2(patchx, len) \ 1413 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1414 1415 #endif 1416 1417 /* 1418 * Here I have moved all the aliases for ioctl names. 1419 */ 1420 1421 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1422 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1423 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1424 1425 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1426 #define SOUND_PCM_POST SNDCTL_DSP_POST 1427 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1428 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1429 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1430 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1431 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1432 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1433 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1434 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1435 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1436 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1437 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1438 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1439 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1440 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1441 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1442 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1443 1444 #endif /* !_SYS_SOUNDCARD_H_ */ 1445