1 /* 2 * soundcard.h 3 */ 4 5 /*- 6 * Copyright by Hannu Savolainen 1993 / 4Front Technologies 1993-2006 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 1.48 2006/11/26 11:55:48 netchild Exp $ 33 */ 34 35 /* 36 * Unless coordinating changes with 4Front Technologies, do NOT make any 37 * modifications to ioctl commands, types, etc. that would break 38 * compatibility with the OSS API. 39 */ 40 41 #ifndef _SYS_SOUNDCARD_H_ 42 #define _SYS_SOUNDCARD_H_ 43 /* 44 * If you make modifications to this file, please contact me before 45 * distributing the modified version. There is already enough 46 * diversity in the world. 47 * 48 * Regards, 49 * Hannu Savolainen 50 * hannu@voxware.pp.fi 51 * 52 ********************************************************************** 53 * PS. The Hacker's Guide to VoxWare available from 54 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 55 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 56 * some useful information about programming with VoxWare. 57 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 58 * to cd inside them before the files are accessible.) 59 ********************************************************************** 60 */ 61 62 /* 63 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 64 * should not depend on it, but rather look at the capabilities 65 * of the driver in the kernel! 66 */ 67 #define SOUND_VERSION 301 68 #define VOXWARE /* does this have any use ? */ 69 70 /* 71 * Supported card ID numbers (Should be somewhere else? We keep 72 * them here just for compativility with the old driver, but these 73 * constants are of little or no use). 74 */ 75 76 #define SNDCARD_ADLIB 1 77 #define SNDCARD_SB 2 78 #define SNDCARD_PAS 3 79 #define SNDCARD_GUS 4 80 #define SNDCARD_MPU401 5 81 #define SNDCARD_SB16 6 82 #define SNDCARD_SB16MIDI 7 83 #define SNDCARD_UART6850 8 84 #define SNDCARD_GUS16 9 85 #define SNDCARD_MSS 10 86 #define SNDCARD_PSS 11 87 #define SNDCARD_SSCAPE 12 88 #define SNDCARD_PSS_MPU 13 89 #define SNDCARD_PSS_MSS 14 90 #define SNDCARD_SSCAPE_MSS 15 91 #define SNDCARD_TRXPRO 16 92 #define SNDCARD_TRXPRO_SB 17 93 #define SNDCARD_TRXPRO_MPU 18 94 #define SNDCARD_MAD16 19 95 #define SNDCARD_MAD16_MPU 20 96 #define SNDCARD_CS4232 21 97 #define SNDCARD_CS4232_MPU 22 98 #define SNDCARD_MAUI 23 99 #define SNDCARD_PSEUDO_MSS 24 100 #define SNDCARD_AWE32 25 101 #define SNDCARD_NSS 26 102 #define SNDCARD_UART16550 27 103 #define SNDCARD_OPL 28 104 105 #include <sys/types.h> 106 #include <machine/endian.h> 107 #ifndef _IOWR 108 #include <sys/ioccom.h> 109 #endif /* !_IOWR */ 110 111 /* 112 * The first part of this file contains the new FreeBSD sound ioctl 113 * interface. Tries to minimize the number of different ioctls, and 114 * to be reasonably general. 115 * 116 * 970821: some of the new calls have not been implemented yet. 117 */ 118 119 /* 120 * the following three calls extend the generic file descriptor 121 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 122 * number of bytes for a write operation to be non-blocking. 123 * 124 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 125 * from a character device (default) to a block device. In block mode, 126 * (not to be confused with blocking mode) the main difference for the 127 * application is that select() will return only when a complete 128 * block can be read/written to the device, whereas in character mode 129 * select will return true when one byte can be exchanged. For audio 130 * devices, character mode makes select almost useless since one byte 131 * will always be ready by the next sample time (which is often only a 132 * handful of microseconds away). 133 * Use a size of 0 or 1 to return to character mode. 134 */ 135 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 136 struct snd_size { 137 int play_size; 138 int rec_size; 139 }; 140 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 141 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 142 143 /* 144 * The following constants define supported audio formats. The 145 * encoding follows voxware conventions, i.e. 1 bit for each supported 146 * format. We extend it by using bit 31 (RO) to indicate full-duplex 147 * capability, and bit 29 (RO) to indicate that the card supports/ 148 * needs different formats on capture & playback channels. 149 * Bit 29 (RW) is used to indicate/ask stereo. 150 * 151 * The number of bits required to store the sample is: 152 * o 4 bits for the IDA ADPCM format, 153 * o 8 bits for 8-bit formats, mu-law and A-law, 154 * o 16 bits for the 16-bit formats, and 155 * o 32 bits for the 24/32-bit formats. 156 * o undefined for the MPEG audio format. 157 */ 158 159 #define AFMT_QUERY 0x00000000 /* Return current format */ 160 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 161 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 162 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 163 * squence represented using the 164 * the average 4 bits per sample */ 165 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 166 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 167 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 168 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 169 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 170 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 171 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 172 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 173 174 #if _BYTE_ORDER == _LITTLE_ENDIAN 175 #define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */ 176 #else 177 #define AFMT_S16_NE AFMT_S16_BE 178 #endif 179 180 /* 181 * 32-bit formats below used for 24-bit audio data where the data is stored 182 * in the 24 most significant bits and the least significant bits are not used 183 * (should be set to 0). 184 */ 185 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 186 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 187 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 188 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 189 #define AFMT_S24_LE 0x00010000 /* Little endian signed 24-bit */ 190 #define AFMT_S24_BE 0x00020000 /* Big endian signed 24-bit */ 191 #define AFMT_U24_LE 0x00040000 /* Little endian unsigned 24-bit */ 192 #define AFMT_U24_BE 0x00080000 /* Big endian unsigned 24-bit */ 193 194 #define AFMT_STEREO 0x10000000 /* can do/want stereo */ 195 196 /* 197 * the following are really capabilities 198 */ 199 #define AFMT_WEIRD 0x20000000 /* weird hardware... */ 200 /* 201 * AFMT_WEIRD reports that the hardware might need to operate 202 * with different formats in the playback and capture 203 * channels when operating in full duplex. 204 * As an example, SoundBlaster16 cards only support U8 in one 205 * direction and S16 in the other one, and applications should 206 * be aware of this limitation. 207 */ 208 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 209 210 /* 211 * The following structure is used to get/set format and sampling rate. 212 * While it would be better to have things such as stereo, bits per 213 * sample, endiannes, etc split in different variables, it turns out 214 * that formats are not that many, and not all combinations are possible. 215 * So we followed the Voxware approach of associating one bit to each 216 * format. 217 */ 218 219 typedef struct _snd_chan_param { 220 u_long play_rate; /* sampling rate */ 221 u_long rec_rate; /* sampling rate */ 222 u_long play_format; /* everything describing the format */ 223 u_long rec_format; /* everything describing the format */ 224 } snd_chan_param; 225 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 226 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 227 228 /* 229 * The following structure is used to get/set the mixer setting. 230 * Up to 32 mixers are supported, each one with up to 32 channels. 231 */ 232 typedef struct _snd_mix_param { 233 u_char subdev; /* which output */ 234 u_char line; /* which input */ 235 u_char left,right; /* volumes, 0..255, 0 = mute */ 236 } snd_mix_param ; 237 238 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 239 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 240 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 241 242 /* 243 * channel specifiers used in AIOSTOP and AIOSYNC 244 */ 245 #define AIOSYNC_PLAY 0x1 /* play chan */ 246 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 247 /* AIOSTOP stop & flush a channel, returns the residual count */ 248 #define AIOSTOP _IOWR ('A', 15, int) 249 250 /* alternate method used to notify the sync condition */ 251 #define AIOSYNC_SIGNAL 0x100 252 #define AIOSYNC_SELECT 0x200 253 254 /* what the 'pos' field refers to */ 255 #define AIOSYNC_READY 0x400 256 #define AIOSYNC_FREE 0x800 257 258 typedef struct _snd_sync_parm { 259 long chan ; /* play or capture channel, plus modifier */ 260 long pos; 261 } snd_sync_parm; 262 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 263 264 /* 265 * The following is used to return device capabilities. If the structure 266 * passed to the ioctl is zeroed, default values are returned for rate 267 * and formats, a bitmap of available mixers is returned, and values 268 * (inputs, different levels) for the first one are returned. 269 * 270 * If formats, mixers, inputs are instantiated, then detailed info 271 * are returned depending on the call. 272 */ 273 typedef struct _snd_capabilities { 274 u_long rate_min, rate_max; /* min-max sampling rate */ 275 u_long formats; 276 u_long bufsize; /* DMA buffer size */ 277 u_long mixers; /* bitmap of available mixers */ 278 u_long inputs; /* bitmap of available inputs (per mixer) */ 279 u_short left, right; /* how many levels are supported */ 280 } snd_capabilities; 281 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 282 283 /* 284 * here is the old (Voxware) ioctl interface 285 */ 286 287 /* 288 * IOCTL Commands for /dev/sequencer 289 */ 290 291 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 292 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 293 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 294 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 295 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 296 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 297 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 298 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 299 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 300 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 301 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 302 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 303 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 304 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 305 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 306 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 307 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 308 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 309 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 310 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 311 #define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 312 313 struct seq_event_rec { 314 u_char arr[8]; 315 }; 316 317 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 318 #define SNDCTL_TMR_START _IO ('T', 2) 319 #define SNDCTL_TMR_STOP _IO ('T', 3) 320 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 321 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 322 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 323 # define TMR_INTERNAL 0x00000001 324 # define TMR_EXTERNAL 0x00000002 325 # define TMR_MODE_MIDI 0x00000010 326 # define TMR_MODE_FSK 0x00000020 327 # define TMR_MODE_CLS 0x00000040 328 # define TMR_MODE_SMPTE 0x00000080 329 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 330 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 331 332 /* 333 * Endian aware patch key generation algorithm. 334 */ 335 336 #if defined(_AIX) || defined(AIX) 337 # define _PATCHKEY(id) (0xfd00|id) 338 #else 339 # define _PATCHKEY(id) ((id<<8)|0xfd) 340 #endif 341 342 /* 343 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 344 * The following patch_info structure has been designed to support 345 * Gravis UltraSound. It tries to be universal format for uploading 346 * sample based patches but is probably too limited. 347 */ 348 349 struct patch_info { 350 /* u_short key; Use GUS_PATCH here */ 351 short key; /* Use GUS_PATCH here */ 352 #define GUS_PATCH _PATCHKEY(0x04) 353 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 354 355 short device_no; /* Synthesizer number */ 356 short instr_no; /* Midi pgm# */ 357 358 u_long mode; 359 /* 360 * The least significant byte has the same format than the GUS .PAT 361 * files 362 */ 363 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 364 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 365 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 366 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 367 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 368 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 369 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 370 /* (use the env_rate/env_offs fields). */ 371 /* Linux specific bits */ 372 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 373 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 374 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 375 /* Other bits must be zeroed */ 376 377 long len; /* Size of the wave data in bytes */ 378 long loop_start, loop_end; /* Byte offsets from the beginning */ 379 380 /* 381 * The base_freq and base_note fields are used when computing the 382 * playback speed for a note. The base_note defines the tone frequency 383 * which is heard if the sample is played using the base_freq as the 384 * playback speed. 385 * 386 * The low_note and high_note fields define the minimum and maximum note 387 * frequencies for which this sample is valid. It is possible to define 388 * more than one samples for an instrument number at the same time. The 389 * low_note and high_note fields are used to select the most suitable one. 390 * 391 * The fields base_note, high_note and low_note should contain 392 * the note frequency multiplied by 1000. For example value for the 393 * middle A is 440*1000. 394 */ 395 396 u_int base_freq; 397 u_long base_note; 398 u_long high_note; 399 u_long low_note; 400 int panning; /* -128=left, 127=right */ 401 int detuning; 402 403 /* New fields introduced in version 1.99.5 */ 404 405 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 406 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 407 u_char env_offset[ 6 ]; /* 255 == 100% */ 408 409 /* 410 * The tremolo, vibrato and scale info are not supported yet. 411 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 412 * WAVE_SCALE 413 */ 414 415 u_char tremolo_sweep; 416 u_char tremolo_rate; 417 u_char tremolo_depth; 418 419 u_char vibrato_sweep; 420 u_char vibrato_rate; 421 u_char vibrato_depth; 422 423 int scale_frequency; 424 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 425 426 int volume; 427 int spare[4]; 428 char data[1]; /* The waveform data starts here */ 429 }; 430 431 struct sysex_info { 432 short key; /* Use GUS_PATCH here */ 433 #define SYSEX_PATCH _PATCHKEY(0x05) 434 #define MAUI_PATCH _PATCHKEY(0x06) 435 short device_no; /* Synthesizer number */ 436 long len; /* Size of the sysex data in bytes */ 437 u_char data[1]; /* Sysex data starts here */ 438 }; 439 440 /* 441 * Patch management interface (/dev/sequencer, /dev/patmgr#) 442 * Don't use these calls if you want to maintain compatibility with 443 * the future versions of the driver. 444 */ 445 446 #define PS_NO_PATCHES 0 /* No patch support on device */ 447 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 448 #define PS_MGR_OK 2 /* Patch manager supported */ 449 #define PS_MANAGED 3 /* Patch manager running */ 450 451 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 452 453 /* 454 * The patmgr_info is a fixed size structure which is used for two 455 * different purposes. The intended use is for communication between 456 * the application using /dev/sequencer and the patch manager daemon 457 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 458 * 459 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 460 * a patch manager daemon to read and write device parameters. This 461 * ioctl available through /dev/sequencer also. Avoid using it since it's 462 * extremely hardware dependent. In addition access trough /dev/sequencer 463 * may confuse the patch manager daemon. 464 */ 465 466 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 467 u_long key; /* Don't worry. Reserved for communication 468 between the patch manager and the driver. */ 469 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 470 #define PM_K_COMMAND 2 /* Request from an application */ 471 #define PM_K_RESPONSE 3 /* From patmgr to application */ 472 #define PM_ERROR 4 /* Error returned by the patmgr */ 473 int device; 474 int command; 475 476 /* 477 * Commands 0x000 to 0xfff reserved for patch manager programs 478 */ 479 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 480 #define PMTYPE_FM2 1 /* 2 OP fm */ 481 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 482 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 483 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 484 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 485 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 486 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 487 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 488 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 489 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 490 491 /* 492 * Commands 0x1000 to 0xffff are for communication between the patch manager 493 * and the client 494 */ 495 #define _PM_LOAD_PATCH 0x100 496 497 /* 498 * Commands above 0xffff reserved for device specific use 499 */ 500 501 long parm1; 502 long parm2; 503 long parm3; 504 505 union { 506 u_char data8[4000]; 507 u_short data16[2000]; 508 u_long data32[1000]; 509 struct patch_info patch; 510 } data; 511 }; 512 513 /* 514 * When a patch manager daemon is present, it will be informed by the 515 * driver when something important happens. For example when the 516 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 517 * returned. The command field contains the event type: 518 */ 519 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 520 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 521 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 522 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 523 524 /* 525 * /dev/sequencer input events. 526 * 527 * The data written to the /dev/sequencer is a stream of events. Events 528 * are records of 4 or 8 bytes. The first byte defines the size. 529 * Any number of events can be written with a write call. There 530 * is a set of macros for sending these events. Use these macros if you 531 * want to maximize portability of your program. 532 * 533 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 534 * (All input events are currently 4 bytes long. Be prepared to support 535 * 8 byte events also. If you receive any event having first byte >= 128, 536 * it's a 8 byte event. 537 * 538 * The events are documented at the end of this file. 539 * 540 * Normal events (4 bytes) 541 * There is also a 8 byte version of most of the 4 byte events. The 542 * 8 byte one is recommended. 543 */ 544 #define SEQ_NOTEOFF 0 545 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 546 #define SEQ_NOTEON 1 547 #define SEQ_FMNOTEON SEQ_NOTEON 548 #define SEQ_WAIT TMR_WAIT_ABS 549 #define SEQ_PGMCHANGE 3 550 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 551 #define SEQ_SYNCTIMER TMR_START 552 #define SEQ_MIDIPUTC 5 553 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 554 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 555 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 556 #define SEQ_AFTERTOUCH 9 557 #define SEQ_CONTROLLER 10 558 559 /* 560 * Midi controller numbers 561 * 562 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 563 * are continuous controllers. 564 * In the MIDI 1.0 these controllers are sent using two messages. 565 * Controller numbers 0 to 31 are used to send the MSB and the 566 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 567 * are used in MIDI bytes. 568 */ 569 570 #define CTL_BANK_SELECT 0x00 571 #define CTL_MODWHEEL 0x01 572 #define CTL_BREATH 0x02 573 /* undefined 0x03 */ 574 #define CTL_FOOT 0x04 575 #define CTL_PORTAMENTO_TIME 0x05 576 #define CTL_DATA_ENTRY 0x06 577 #define CTL_MAIN_VOLUME 0x07 578 #define CTL_BALANCE 0x08 579 /* undefined 0x09 */ 580 #define CTL_PAN 0x0a 581 #define CTL_EXPRESSION 0x0b 582 /* undefined 0x0c - 0x0f */ 583 #define CTL_GENERAL_PURPOSE1 0x10 584 #define CTL_GENERAL_PURPOSE2 0x11 585 #define CTL_GENERAL_PURPOSE3 0x12 586 #define CTL_GENERAL_PURPOSE4 0x13 587 /* undefined 0x14 - 0x1f */ 588 589 /* undefined 0x20 */ 590 591 /* 592 * The controller numbers 0x21 to 0x3f are reserved for the 593 * least significant bytes of the controllers 0x00 to 0x1f. 594 * These controllers are not recognised by the driver. 595 * 596 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 597 * 0=OFF and 127=ON (intermediate values are possible) 598 */ 599 #define CTL_DAMPER_PEDAL 0x40 600 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 601 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 602 #define CTL_PORTAMENTO 0x41 603 #define CTL_SOSTENUTO 0x42 604 #define CTL_SOFT_PEDAL 0x43 605 /* undefined 0x44 */ 606 #define CTL_HOLD2 0x45 607 /* undefined 0x46 - 0x4f */ 608 609 #define CTL_GENERAL_PURPOSE5 0x50 610 #define CTL_GENERAL_PURPOSE6 0x51 611 #define CTL_GENERAL_PURPOSE7 0x52 612 #define CTL_GENERAL_PURPOSE8 0x53 613 /* undefined 0x54 - 0x5a */ 614 #define CTL_EXT_EFF_DEPTH 0x5b 615 #define CTL_TREMOLO_DEPTH 0x5c 616 #define CTL_CHORUS_DEPTH 0x5d 617 #define CTL_DETUNE_DEPTH 0x5e 618 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 619 #define CTL_PHASER_DEPTH 0x5f 620 #define CTL_DATA_INCREMENT 0x60 621 #define CTL_DATA_DECREMENT 0x61 622 #define CTL_NONREG_PARM_NUM_LSB 0x62 623 #define CTL_NONREG_PARM_NUM_MSB 0x63 624 #define CTL_REGIST_PARM_NUM_LSB 0x64 625 #define CTL_REGIST_PARM_NUM_MSB 0x65 626 /* undefined 0x66 - 0x78 */ 627 /* reserved 0x79 - 0x7f */ 628 629 /* Pseudo controllers (not midi compatible) */ 630 #define CTRL_PITCH_BENDER 255 631 #define CTRL_PITCH_BENDER_RANGE 254 632 #define CTRL_EXPRESSION 253 /* Obsolete */ 633 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 634 635 #define SEQ_BALANCE 11 636 #define SEQ_VOLMODE 12 637 638 /* 639 * Volume mode decides how volumes are used 640 */ 641 642 #define VOL_METHOD_ADAGIO 1 643 #define VOL_METHOD_LINEAR 2 644 645 /* 646 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 647 * input events. 648 */ 649 650 /* 651 * Event codes 0xf0 to 0xfc are reserved for future extensions. 652 */ 653 654 #define SEQ_FULLSIZE 0xfd /* Long events */ 655 /* 656 * SEQ_FULLSIZE events are used for loading patches/samples to the 657 * synthesizer devices. These events are passed directly to the driver 658 * of the associated synthesizer device. There is no limit to the size 659 * of the extended events. These events are not queued but executed 660 * immediately when the write() is called (execution can take several 661 * seconds of time). 662 * 663 * When a SEQ_FULLSIZE message is written to the device, it must 664 * be written using exactly one write() call. Other events cannot 665 * be mixed to the same write. 666 * 667 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 668 * it to the /dev/sequencer. Don't write other data together with 669 * the instrument structure Set the key field of the structure to 670 * FM_PATCH. The device field is used to route the patch to the 671 * corresponding device. 672 * 673 * For Gravis UltraSound use struct patch_info. Initialize the key field 674 * to GUS_PATCH. 675 */ 676 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 677 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 678 679 /* 680 * Record for FM patches 681 */ 682 683 typedef u_char sbi_instr_data[32]; 684 685 struct sbi_instrument { 686 u_short key; /* FM_PATCH or OPL3_PATCH */ 687 #define FM_PATCH _PATCHKEY(0x01) 688 #define OPL3_PATCH _PATCHKEY(0x03) 689 short device; /* Synth# (0-4) */ 690 int channel; /* Program# to be initialized */ 691 sbi_instr_data operators; /* Reg. settings for operator cells 692 * (.SBI format) */ 693 }; 694 695 struct synth_info { /* Read only */ 696 char name[30]; 697 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 698 int synth_type; 699 #define SYNTH_TYPE_FM 0 700 #define SYNTH_TYPE_SAMPLE 1 701 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 702 703 int synth_subtype; 704 #define FM_TYPE_ADLIB 0x00 705 #define FM_TYPE_OPL3 0x01 706 #define MIDI_TYPE_MPU401 0x401 707 708 #define SAMPLE_TYPE_BASIC 0x10 709 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 710 #define SAMPLE_TYPE_AWE32 0x20 711 712 int perc_mode; /* No longer supported */ 713 int nr_voices; 714 int nr_drums; /* Obsolete field */ 715 int instr_bank_size; 716 u_long capabilities; 717 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 718 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 719 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 720 int dummies[19]; /* Reserve space */ 721 }; 722 723 struct sound_timer_info { 724 char name[32]; 725 int caps; 726 }; 727 728 struct midi_info { 729 char name[30]; 730 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 731 u_long capabilities; /* To be defined later */ 732 int dev_type; 733 int dummies[18]; /* Reserve space */ 734 }; 735 736 /* 737 * ioctl commands for the /dev/midi## 738 */ 739 typedef struct { 740 u_char cmd; 741 char nr_args, nr_returns; 742 u_char data[30]; 743 } mpu_command_rec; 744 745 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 746 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 747 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 748 #define MIOSPASSTHRU _IOWR('m', 3, int) 749 #define MIOGPASSTHRU _IOWR('m', 4, int) 750 751 /* 752 * IOCTL commands for /dev/dsp and /dev/audio 753 */ 754 755 #define SNDCTL_DSP_RESET _IO ('P', 0) 756 #define SNDCTL_DSP_SYNC _IO ('P', 1) 757 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 758 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 759 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 760 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 761 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 762 763 /* 764 * SOUND_PCM_WRITE_CHANNELS is not that different 765 * from SNDCTL_DSP_STEREO 766 */ 767 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 768 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 769 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 770 #define SNDCTL_DSP_POST _IO ('P', 8) 771 772 /* 773 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 774 * the same thing, i.e. set the block size used in DMA transfers. 775 */ 776 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 777 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 778 779 780 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 781 /* 782 * Buffer status queries. 783 */ 784 typedef struct audio_buf_info { 785 int fragments; /* # of avail. frags (partly used ones not counted) */ 786 int fragstotal; /* Total # of fragments allocated */ 787 int fragsize; /* Size of a fragment in bytes */ 788 789 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 790 /* Note! 'bytes' could be more than fragments*fragsize */ 791 } audio_buf_info; 792 793 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 794 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 795 796 /* 797 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 798 * action cannot be undone) of FIONBIO. The same can be achieved 799 * by opening the device with O_NDELAY 800 */ 801 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 802 803 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 804 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 805 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 806 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 807 #define DSP_CAP_BATCH 0x00000400 808 /* 809 * Device has some kind of internal buffers which may 810 * cause some delays and decrease precision of timing 811 */ 812 #define DSP_CAP_COPROC 0x00000800 813 /* Has a coprocessor, sometimes it's a DSP but usually not */ 814 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 815 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 816 817 /* 818 * What do these function do ? 819 */ 820 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 821 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 822 #define PCM_ENABLE_INPUT 0x00000001 823 #define PCM_ENABLE_OUTPUT 0x00000002 824 825 typedef struct count_info { 826 int bytes; /* Total # of bytes processed */ 827 int blocks; /* # of fragment transitions since last time */ 828 int ptr; /* Current DMA pointer value */ 829 } count_info; 830 831 /* 832 * GETIPTR and GETISPACE are not that different... same for out. 833 */ 834 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 835 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 836 837 typedef struct buffmem_desc { 838 caddr_t buffer; 839 int size; 840 } buffmem_desc; 841 842 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 843 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 844 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 845 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 846 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 847 848 /* 849 * I guess these are the readonly version of the same 850 * functions that exist above as SNDCTL_DSP_... 851 */ 852 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 853 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 854 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 855 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 856 857 /* 858 * ioctl calls to be used in communication with coprocessors and 859 * DSP chips. 860 */ 861 862 typedef struct copr_buffer { 863 int command; /* Set to 0 if not used */ 864 int flags; 865 #define CPF_NONE 0x0000 866 #define CPF_FIRST 0x0001 /* First block */ 867 #define CPF_LAST 0x0002 /* Last block */ 868 int len; 869 int offs; /* If required by the device (0 if not used) */ 870 871 u_char data[4000]; /* NOTE! 4000 is not 4k */ 872 } copr_buffer; 873 874 typedef struct copr_debug_buf { 875 int command; /* Used internally. Set to 0 */ 876 int parm1; 877 int parm2; 878 int flags; 879 int len; /* Length of data in bytes */ 880 } copr_debug_buf; 881 882 typedef struct copr_msg { 883 int len; 884 u_char data[4000]; 885 } copr_msg; 886 887 #define SNDCTL_COPR_RESET _IO ('C', 0) 888 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 889 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 890 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 891 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 892 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 893 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 894 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 895 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 896 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 897 898 /* 899 * IOCTL commands for /dev/mixer 900 */ 901 902 /* 903 * Mixer devices 904 * 905 * There can be up to 20 different analog mixer channels. The 906 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 907 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 908 * the devices supported by the particular mixer. 909 */ 910 911 #define SOUND_MIXER_NRDEVICES 25 912 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 913 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 914 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 915 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 916 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 917 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 918 * signals */ 919 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 920 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 921 * the microphone jack */ 922 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 923 * connected to the CD audio input */ 924 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 925 * output volume of the selected 926 * recording sources while recording */ 927 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 928 * device */ 929 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 930 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 931 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 932 /* 933 * The AD1848 codec and compatibles have three line level inputs 934 * (line, aux1 and aux2). Since each card manufacturer have assigned 935 * different meanings to these inputs, it's inpractical to assign 936 * specific meanings (line, cd, synth etc.) to them. 937 */ 938 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 939 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 940 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 941 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 942 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 943 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 944 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 945 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 946 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 947 #define SOUND_MIXER_RADIO 23 /* Radio in */ 948 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 949 950 951 /* 952 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 953 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 954 */ 955 #define SOUND_ONOFF_MIN 28 956 #define SOUND_ONOFF_MAX 30 957 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 958 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 959 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 960 961 /* Note! Number 31 cannot be used since the sign bit is reserved */ 962 #define SOUND_MIXER_NONE 31 963 964 #define SOUND_DEVICE_LABELS { \ 965 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 966 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 967 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 968 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 969 970 #define SOUND_DEVICE_NAMES { \ 971 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 972 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 973 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 974 "phin", "phout", "video", "radio", "monitor"} 975 976 /* Device bitmask identifiers */ 977 978 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 979 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 980 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 981 #define SOUND_MIXER_CAPS 0xfc 982 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 983 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 984 985 /* Device mask bits */ 986 987 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 988 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 989 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 990 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 991 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 992 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 993 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 994 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 995 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 996 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 997 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 998 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 999 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 1000 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 1001 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 1002 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 1003 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1004 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1005 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1006 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1007 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1008 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1009 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1010 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1011 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1012 1013 /* Obsolete macros */ 1014 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1015 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1016 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1017 1018 #define MIXER_READ(dev) _IOR('M', dev, int) 1019 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1020 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1021 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1022 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1023 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1024 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1025 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1026 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1027 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1028 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1029 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1030 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1031 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1032 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1033 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1034 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1035 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1036 #define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1037 #define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1038 #define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1039 #define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1040 #define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1041 #define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1042 #define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1043 #define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1044 1045 /* Obsolete macros */ 1046 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1047 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1048 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1049 1050 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1051 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1052 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1053 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1054 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1055 1056 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1057 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1058 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1059 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1060 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1061 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1062 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1063 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1064 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1065 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1066 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1067 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1068 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1069 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1070 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1071 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1072 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1073 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1074 #define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1075 #define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1076 #define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1077 #define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1078 #define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1079 #define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1080 #define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1081 #define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1082 1083 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1084 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1085 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1086 1087 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1088 1089 typedef struct mixer_info { 1090 char id[16]; 1091 char name[32]; 1092 int modify_counter; 1093 int fillers[10]; 1094 } mixer_info; 1095 1096 #define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 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 /***********************************************************************/ 1445 1446 /** 1447 * XXX OSSv4 defines -- some bits taken straight out of the new 1448 * sys/soundcard.h bundled with recent OSS releases. 1449 * 1450 * NB: These macros and structures will be reorganized and inserted 1451 * in appropriate places throughout this file once the code begins 1452 * to take shape. 1453 * 1454 * @todo reorganize layout more like the 4Front version 1455 * @todo ask about maintaining __SIOWR vs. _IOWR ioctl cmd defines 1456 */ 1457 1458 /** 1459 * @note The @c OSSV4_EXPERIMENT macro is meant to wrap new development code 1460 * in the sound system relevant to adopting 4Front's OSSv4 specification. 1461 * Users should not enable this! Really! 1462 */ 1463 #if 0 1464 # define OSSV4_EXPERIMENT 1 1465 #else 1466 # undef OSSV4_EXPERIMENT 1467 #endif 1468 1469 #ifdef SOUND_VERSION 1470 # undef SOUND_VERSION 1471 # define SOUND_VERSION 0x040000 1472 #endif /* !SOUND_VERSION */ 1473 1474 #define OSS_LONGNAME_SIZE 64 1475 #define OSS_LABEL_SIZE 16 1476 #define OSS_DEVNODE_SIZE 32 1477 typedef char oss_longname_t[OSS_LONGNAME_SIZE]; 1478 typedef char oss_label_t[OSS_LABEL_SIZE]; 1479 typedef char oss_devnode_t[OSS_DEVNODE_SIZE]; 1480 1481 typedef struct audio_errinfo 1482 { 1483 int play_underruns; 1484 int rec_overruns; 1485 unsigned int play_ptradjust; 1486 unsigned int rec_ptradjust; 1487 int play_errorcount; 1488 int rec_errorcount; 1489 int play_lasterror; 1490 int rec_lasterror; 1491 long play_errorparm; 1492 long rec_errorparm; 1493 int filler[16]; 1494 } audio_errinfo; 1495 1496 #define SNDCTL_DSP_GETPLAYVOL _IOR ('P', 24, int) 1497 #define SNDCTL_DSP_SETPLAYVOL _IOWR('P', 24, int) 1498 #define SNDCTL_DSP_GETERROR _IOR ('P', 25, audio_errinfo) 1499 1500 1501 /* 1502 **************************************************************************** 1503 * Sync groups for audio devices 1504 */ 1505 typedef struct oss_syncgroup 1506 { 1507 int id; 1508 int mode; 1509 int filler[16]; 1510 } oss_syncgroup; 1511 1512 #define SNDCTL_DSP_SYNCGROUP _IOWR('P', 28, oss_syncgroup) 1513 #define SNDCTL_DSP_SYNCSTART _IOW ('P', 29, int) 1514 1515 /* 1516 ************************************************************************** 1517 * "cooked" mode enables software based conversions for sample rate, sample 1518 * format (bits) and number of channels (mono/stereo). These conversions are 1519 * required with some devices that support only one sample rate or just stereo 1520 * to let the applications to use other formats. The cooked mode is enabled by 1521 * default. However it's necessary to disable this mode when mmap() is used or 1522 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an 1523 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_ 1524 * since normally this call will return erno=EINVAL. 1525 * 1526 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing 1527 * anything else. Otherwise the call will not have any effect. 1528 */ 1529 #define SNDCTL_DSP_COOKEDMODE _IOW ('P', 30, int) 1530 1531 /* 1532 ************************************************************************** 1533 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0 1534 * that can be used to implement pause/continue during playback (no effect 1535 * on recording). 1536 */ 1537 #define SNDCTL_DSP_SILENCE _IO ('P', 31) 1538 #define SNDCTL_DSP_SKIP _IO ('P', 32) 1539 1540 /* 1541 **************************************************************************** 1542 * Abort transfer (reset) functions for input and output 1543 */ 1544 #define SNDCTL_DSP_HALT_INPUT _IO ('P', 33) 1545 #define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */ 1546 #define SNDCTL_DSP_HALT_OUTPUT _IO ('P', 34) 1547 #define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */ 1548 1549 /* 1550 **************************************************************************** 1551 * Low water level control 1552 */ 1553 #define SNDCTL_DSP_LOW_WATER _IOW ('P', 34, int) 1554 1555 /** @todo Get rid of OSS_NO_LONG_LONG references? */ 1556 1557 /* 1558 **************************************************************************** 1559 * 64 bit pointer support. Only available in environments that support 1560 * the 64 bit (long long) integer type. 1561 */ 1562 #ifndef OSS_NO_LONG_LONG 1563 typedef struct 1564 { 1565 long long samples; 1566 int fifo_samples; 1567 int filler[32]; /* For future use */ 1568 } oss_count_t; 1569 1570 #define SNDCTL_DSP_CURRENT_IPTR _IOR ('P', 35, oss_count_t) 1571 #define SNDCTL_DSP_CURRENT_OPTR _IOR ('P', 36, oss_count_t) 1572 #endif 1573 1574 /* 1575 **************************************************************************** 1576 * Interface for selecting recording sources and playback output routings. 1577 */ 1578 #define SNDCTL_DSP_GET_RECSRC_NAMES _IOR ('P', 37, oss_mixer_enuminfo) 1579 #define SNDCTL_DSP_GET_RECSRC _IOR ('P', 38, int) 1580 #define SNDCTL_DSP_SET_RECSRC _IOWR('P', 38, int) 1581 1582 #define SNDCTL_DSP_GET_PLAYTGT_NAMES _IOR ('P', 39, oss_mixer_enuminfo) 1583 #define SNDCTL_DSP_GET_PLAYTGT _IOR ('P', 40, int) 1584 #define SNDCTL_DSP_SET_PLAYTGT _IOWR('P', 40, int) 1585 #define SNDCTL_DSP_GETRECVOL _IOR ('P', 41, int) 1586 #define SNDCTL_DSP_SETRECVOL _IOWR('P', 41, int) 1587 1588 /* 1589 *************************************************************************** 1590 * Some calls for setting the channel assignment with multi channel devices 1591 * (see the manual for details). */ 1592 #define SNDCTL_DSP_GET_CHNORDER _IOR ('P', 42, unsigned long long) 1593 #define SNDCTL_DSP_SET_CHNORDER _IOWR('P', 42, unsigned long long) 1594 # define CHID_UNDEF 0 1595 # define CHID_L 1 # define CHID_R 2 1596 # define CHID_C 3 1597 # define CHID_LFE 4 1598 # define CHID_LS 5 1599 # define CHID_RS 6 1600 # define CHID_LR 7 1601 # define CHID_RR 8 1602 #define CHNORDER_UNDEF 0x0000000000000000ULL 1603 #define CHNORDER_NORMAL 0x0000000087654321ULL 1604 1605 #define MAX_PEAK_CHANNELS 128 1606 typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS]; 1607 #define SNDCTL_DSP_GETIPEAKS _IOR('P', 43, oss_peaks_t) 1608 #define SNDCTL_DSP_GETOPEAKS _IOR('P', 44, oss_peaks_t) 1609 #define SNDCTL_DSP_POLICY _IOW('P', 45, int) /* See the manual */ 1610 1611 /* 1612 * OSS_SYSIFO is obsolete. Use SNDCTL_SYSINFO insteads. 1613 */ 1614 #define OSS_GETVERSION _IOR ('M', 118, int) 1615 1616 /** 1617 * @brief Argument for SNDCTL_SYSINFO ioctl. 1618 * 1619 * For use w/ the SNDCTL_SYSINFO ioctl available on audio (/dev/dsp*), 1620 * mixer, and MIDI devices. 1621 */ 1622 typedef struct oss_sysinfo 1623 { 1624 char product[32]; /* For example OSS/Free, OSS/Linux or 1625 OSS/Solaris */ 1626 char version[32]; /* For example 4.0a */ 1627 int versionnum; /* See OSS_GETVERSION */ 1628 char options[128]; /* Reserved */ 1629 1630 int numaudios; /* # of audio/dsp devices */ 1631 int openedaudio[8]; /* Bit mask telling which audio devices 1632 are busy */ 1633 1634 int numsynths; /* # of availavle synth devices */ 1635 int nummidis; /* # of available MIDI ports */ 1636 int numtimers; /* # of available timer devices */ 1637 int nummixers; /* # of mixer devices */ 1638 1639 int openedmidi[8]; /* Bit mask telling which midi devices 1640 are busy */ 1641 int numcards; /* Number of sound cards in the system */ 1642 int filler[241]; /* For future expansion (set to -1) */ 1643 } oss_sysinfo; 1644 1645 typedef struct oss_mixext 1646 { 1647 int dev; /* Mixer device number */ 1648 int ctrl; /* Controller number */ 1649 int type; /* Entry type */ 1650 # define MIXT_DEVROOT 0 /* Device root entry */ 1651 # define MIXT_GROUP 1 /* Controller group */ 1652 # define MIXT_ONOFF 2 /* OFF (0) or ON (1) */ 1653 # define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */ 1654 # define MIXT_MONOSLIDER 4 /* Mono slider (0 to 100) */ 1655 # define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 100) */ 1656 # define MIXT_MESSAGE 6 /* (Readable) textual message */ 1657 # define MIXT_MONOVU 7 /* VU meter value (mono) */ 1658 # define MIXT_STEREOVU 8 /* VU meter value (stereo) */ 1659 # define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */ 1660 # define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */ 1661 # define MIXT_RADIOGROUP 11 /* Radio button group */ 1662 # define MIXT_MARKER 12 /* Separator between normal and extension entries */ 1663 # define MIXT_VALUE 13 /* Decimal value entry */ 1664 # define MIXT_HEXVALUE 14 /* Hexadecimal value entry */ 1665 # define MIXT_MONODB 15 /* Mono atten. slider (0 to -144) */ 1666 # define MIXT_STEREODB 16 /* Stereo atten. slider (dual 0 to -144) */ 1667 # define MIXT_SLIDER 17 /* Slider (mono) with full integer range */ 1668 # define MIXT_3D 18 1669 1670 /* Possible value range (minvalue to maxvalue) */ 1671 /* Note that maxvalue may also be smaller than minvalue */ 1672 int maxvalue; 1673 int minvalue; 1674 1675 int flags; 1676 # define MIXF_READABLE 0x00000001 /* Has readable value */ 1677 # define MIXF_WRITEABLE 0x00000002 /* Has writeable value */ 1678 # define MIXF_POLL 0x00000004 /* May change itself */ 1679 # define MIXF_HZ 0x00000008 /* Herz scale */ 1680 # define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */ 1681 # define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */ 1682 # define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */ 1683 # define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */ 1684 # define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */ 1685 char id[16]; /* Mnemonic ID (mainly for internal use) */ 1686 int parent; /* Entry# of parent (group) node (-1 if root) */ 1687 1688 int dummy; /* Internal use */ 1689 1690 int timestamp; 1691 1692 char data[64]; /* Misc data (entry type dependent) */ 1693 unsigned char enum_present[32]; /* Mask of allowed enum values */ 1694 int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */ 1695 /* (-1 means not indicated) */ 1696 1697 /* 1698 * The desc field is reserved for internal purposes of OSS. It should not be 1699 * used by applications. 1700 */ 1701 unsigned int desc; 1702 #define MIXEXT_SCOPE_MASK 0x0000003f 1703 #define MIXEXT_SCOPE_OTHER 0x00000000 1704 #define MIXEXT_SCOPE_INPUT 0x00000001 1705 #define MIXEXT_SCOPE_OUTPUT 0x00000002 1706 #define MIXEXT_SCOPE_MONITOR 0x00000003 1707 #define MIXEXT_SCOPE_RECSWITCH 0x00000004 1708 1709 char extname[32]; 1710 int update_counter; 1711 int filler[7]; 1712 } oss_mixext; 1713 1714 typedef struct oss_mixext_root 1715 { 1716 char id[16]; 1717 char name[48]; 1718 } oss_mixext_root; 1719 1720 typedef struct oss_mixer_value 1721 { 1722 int dev; 1723 int ctrl; 1724 int value; 1725 int flags; /* Reserved for future use. Initialize to 0 */ 1726 int timestamp; /* Must be set to oss_mixext.timestamp */ 1727 int filler[8]; /* Reserved for future use. Initialize to 0 */ 1728 } oss_mixer_value; 1729 1730 #define OSS_ENUM_MAXVALUE 255 1731 typedef struct oss_mixer_enuminfo 1732 { 1733 int dev; 1734 int ctrl; 1735 int nvalues; 1736 int version; /* Read the manual */ 1737 short strindex[OSS_ENUM_MAXVALUE]; 1738 char strings[3000]; 1739 } oss_mixer_enuminfo; 1740 1741 #define OPEN_READ PCM_ENABLE_INPUT 1742 #define OPEN_WRITE PCM_ENABLE_OUTPUT 1743 #define OPEN_READWRITE (OPEN_READ|OPEN_WRITE) 1744 1745 /** 1746 * @brief Argument for SNDCTL_AUDIOINFO ioctl. 1747 * 1748 * For use w/ the SNDCTL_AUDIOINFO ioctl available on audio (/dev/dsp*) 1749 * devices. 1750 */ 1751 typedef struct oss_audioinfo 1752 { 1753 int dev; /* Audio device number */ 1754 char name[64]; 1755 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1756 int pid; 1757 int caps; /* DSP_CAP_INPUT, DSP_CAP_OUTPUT */ 1758 int iformats; 1759 int oformats; 1760 int magic; /* Reserved for internal use */ 1761 char cmd[64]; /* Command using the device (if known) */ 1762 int card_number; 1763 int port_number; 1764 int mixer_dev; 1765 int real_device; /* Obsolete field. Replaced by devnode */ 1766 int enabled; /* 1=enabled, 0=device not ready at this 1767 moment */ 1768 int flags; /* For internal use only - no practical 1769 meaning */ 1770 int min_rate; /* Sample rate limits */ 1771 int max_rate; 1772 int min_channels; /* Number of channels supported */ 1773 int max_channels; 1774 int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */ 1775 int rate_source; 1776 char handle[32]; 1777 #define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */ 1778 unsigned int nrates; 1779 unsigned int rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */ 1780 oss_longname_t song_name; /* Song name (if given) */ 1781 oss_label_t label; /* Device label (if given) */ 1782 int latency; /* In usecs, -1=unknown */ 1783 oss_devnode_t devnode; /* Device special file name (inside 1784 /dev) */ 1785 int filler[186]; 1786 } oss_audioinfo; 1787 1788 typedef struct oss_mixerinfo 1789 { 1790 int dev; 1791 char id[16]; 1792 char name[32]; 1793 int modify_counter; 1794 int card_number; 1795 int port_number; 1796 char handle[32]; 1797 int magic; /* Reserved */ 1798 int enabled; /* Reserved */ 1799 int caps; 1800 #define MIXER_CAP_VIRTUAL 0x00000001 1801 int flags; /* Reserved */ 1802 int nrext; 1803 /* 1804 * The priority field can be used to select the default (motherboard) 1805 * mixer device. The mixer with the highest priority is the 1806 * most preferred one. -2 or less means that this device cannot be used 1807 * as the default mixer. 1808 */ 1809 int priority; 1810 int filler[254]; /* Reserved */ 1811 } oss_mixerinfo; 1812 1813 typedef struct oss_midi_info 1814 { 1815 int dev; /* Midi device number */ 1816 char name[64]; 1817 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1818 int pid; 1819 char cmd[64]; /* Command using the device (if known) */ 1820 int caps; 1821 #define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/ 1822 #define MIDI_CAP_INPUT 0x00000002 1823 #define MIDI_CAP_OUTPUT 0x00000004 1824 #define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT) 1825 #define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */ 1826 #define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */ 1827 #define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */ 1828 #define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */ 1829 #define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */ 1830 #define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */ 1831 #define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */ 1832 #define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */ 1833 int magic; /* Reserved for internal use */ 1834 int card_number; 1835 int port_number; 1836 int enabled; /* 1=enabled, 0=device not ready at this moment */ 1837 int flags; /* For internal use only - no practical meaning */ 1838 char handle[32]; 1839 oss_longname_t song_name; /* Song name (if known) */ 1840 oss_label_t label; /* Device label (if given) */ 1841 int latency; /* In usecs, -1=unknown */ 1842 int filler[244]; 1843 } oss_midi_info; 1844 1845 typedef struct oss_card_info 1846 { 1847 int card; 1848 char shortname[16]; 1849 char longname[128]; 1850 int flags; 1851 int filler[256]; 1852 } oss_card_info; 1853 1854 #define SNDCTL_SYSINFO _IOR ('X', 1, oss_sysinfo) 1855 #define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */ 1856 1857 #define SNDCTL_MIX_NRMIX _IOR ('X', 2, int) 1858 #define SNDCTL_MIX_NREXT _IOWR('X', 3, int) 1859 #define SNDCTL_MIX_EXTINFO _IOWR('X', 4, oss_mixext) 1860 #define SNDCTL_MIX_READ _IOWR('X', 5, oss_mixer_value) 1861 #define SNDCTL_MIX_WRITE _IOWR('X', 6, oss_mixer_value) 1862 1863 #define SNDCTL_AUDIOINFO _IOWR('X', 7, oss_audioinfo) 1864 #define SNDCTL_MIX_ENUMINFO _IOWR('X', 8, oss_mixer_enuminfo) 1865 #define SNDCTL_MIDIINFO _IOWR('X', 9, oss_midi_info) 1866 #define SNDCTL_MIXERINFO _IOWR('X',10, oss_mixerinfo) 1867 #define SNDCTL_CARDINFO _IOWR('X',11, oss_card_info) 1868 1869 /* 1870 * Few more "globally" available ioctl calls. 1871 */ 1872 #define SNDCTL_SETSONG _IOW ('Y', 2, oss_longname_t) 1873 #define SNDCTL_GETSONG _IOR ('Y', 2, oss_longname_t) 1874 #define SNDCTL_SETNAME _IOW ('Y', 3, oss_longname_t) 1875 #define SNDCTL_SETLABEL _IOW ('Y', 4, oss_label_t) 1876 #define SNDCTL_GETLABEL _IOR ('Y', 4, oss_label_t) 1877 1878 #endif /* !_SYS_SOUNDCARD_H_ */ 1879