1 /* 2 * soundcard.h 3 * 4 * Copyright by Hannu Savolainen 1993 5 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #ifndef _SYS_SOUNDCARD_H_ 34 #define _SYS_SOUNDCARD_H_ 35 /* 36 * If you make modifications to this file, please contact me before 37 * distributing the modified version. There is already enough 38 * diversity in the world. 39 * 40 * Regards, 41 * Hannu Savolainen 42 * hannu@voxware.pp.fi 43 * 44 ********************************************************************** 45 * PS. The Hacker's Guide to VoxWare available from 46 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 47 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 48 * some useful information about programming with VoxWare. 49 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 50 * to cd inside them before the files are accessible.) 51 ********************************************************************** 52 */ 53 54 /* 55 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 56 * should not depend on it, but rather look at the capabilities 57 * of the driver in the kernel! 58 */ 59 #define SOUND_VERSION 301 60 #define VOXWARE /* does this have any use ? */ 61 62 /* 63 * Supported card ID numbers (Should be somewhere else? We keep 64 * them here just for compativility with the old driver, but these 65 * constants are of little or no use). 66 */ 67 68 #define SNDCARD_ADLIB 1 69 #define SNDCARD_SB 2 70 #define SNDCARD_PAS 3 71 #define SNDCARD_GUS 4 72 #define SNDCARD_MPU401 5 73 #define SNDCARD_SB16 6 74 #define SNDCARD_SB16MIDI 7 75 #define SNDCARD_UART6850 8 76 #define SNDCARD_GUS16 9 77 #define SNDCARD_MSS 10 78 #define SNDCARD_PSS 11 79 #define SNDCARD_SSCAPE 12 80 #define SNDCARD_PSS_MPU 13 81 #define SNDCARD_PSS_MSS 14 82 #define SNDCARD_SSCAPE_MSS 15 83 #define SNDCARD_TRXPRO 16 84 #define SNDCARD_TRXPRO_SB 17 85 #define SNDCARD_TRXPRO_MPU 18 86 #define SNDCARD_MAD16 19 87 #define SNDCARD_MAD16_MPU 20 88 #define SNDCARD_CS4232 21 89 #define SNDCARD_CS4232_MPU 22 90 #define SNDCARD_MAUI 23 91 #define SNDCARD_PSEUDO_MSS 24 92 #define SNDCARD_AWE32 25 93 #define SNDCARD_NSS 26 94 #define SNDCARD_UART16550 27 95 #define SNDCARD_OPL 28 96 97 #include <sys/types.h> 98 #ifndef _IOWR 99 #include <sys/ioccom.h> 100 #endif /* !_IOWR */ 101 102 /* 103 * The first part of this file contains the new FreeBSD sound ioctl 104 * interface. Tries to minimize the number of different ioctls, and 105 * to be reasonably general. 106 * 107 * 970821: some of the new calls have not been implemented yet. 108 */ 109 110 /* 111 * the following three calls extend the generic file descriptor 112 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 113 * number of bytes for a write operation to be non-blocking. 114 * 115 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 116 * from a character device (default) to a block device. In block mode, 117 * (not to be confused with blocking mode) the main difference for the 118 * application is that select() will return only when a complete 119 * block can be read/written to the device, whereas in character mode 120 * select will return true when one byte can be exchanged. For audio 121 * devices, character mode makes select almost useless since one byte 122 * will always be ready by the next sample time (which is often only a 123 * handful of microseconds away). 124 * Use a size of 0 or 1 to return to character mode. 125 */ 126 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 127 struct snd_size { 128 int play_size; 129 int rec_size; 130 }; 131 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 132 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 133 134 /* 135 * The following constants define supported audio formats. The 136 * encoding follows voxware conventions, i.e. 1 bit for each supported 137 * format. We extend it by using bit 31 (RO) to indicate full-duplex 138 * capability, and bit 29 (RO) to indicate that the card supports/ 139 * needs different formats on capture & playback channels. 140 * Bit 29 (RW) is used to indicate/ask stereo. 141 * 142 * The number of bits required to store the sample is: 143 * o 4 bits for the IDA ADPCM format, 144 * o 8 bits for 8-bit formats, mu-law and A-law, 145 * o 16 bits for the 16-bit formats, and 146 * o 32 bits for the 24/32-bit formats. 147 * o undefined for the MPEG audio format. 148 */ 149 150 #define AFMT_QUERY 0x00000000 /* Return current format */ 151 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 152 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 153 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 154 * squence represented using the 155 * the average 4 bits per sample */ 156 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 157 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 158 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 159 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 160 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 161 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 162 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 163 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 164 /* 165 * 32-bit formats below used for 24-bit audio data where the data is stored 166 * in the 24 most significant bits and the least significant bits are not used 167 * (should be set to 0). 168 */ 169 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 170 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 171 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 172 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 173 174 #define AFMT_STEREO 0x10000000 /* can do/want stereo */ 175 176 /* 177 * the following are really capabilities 178 */ 179 #define AFMT_WEIRD 0x20000000 /* weird hardware... */ 180 /* 181 * AFMT_WEIRD reports that the hardware might need to operate 182 * with different formats in the playback and capture 183 * channels when operating in full duplex. 184 * As an example, SoundBlaster16 cards only support U8 in one 185 * direction and S16 in the other one, and applications should 186 * be aware of this limitation. 187 */ 188 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 189 190 /* 191 * The following structure is used to get/set format and sampling rate. 192 * While it would be better to have things such as stereo, bits per 193 * sample, endiannes, etc split in different variables, it turns out 194 * that formats are not that many, and not all combinations are possible. 195 * So we followed the Voxware approach of associating one bit to each 196 * format. 197 */ 198 199 typedef struct _snd_chan_param { 200 u_long play_rate; /* sampling rate */ 201 u_long rec_rate; /* sampling rate */ 202 u_long play_format; /* everything describing the format */ 203 u_long rec_format; /* everything describing the format */ 204 } snd_chan_param; 205 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 206 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 207 208 /* 209 * The following structure is used to get/set the mixer setting. 210 * Up to 32 mixers are supported, each one with up to 32 channels. 211 */ 212 typedef struct _snd_mix_param { 213 u_char subdev; /* which output */ 214 u_char line; /* which input */ 215 u_char left,right; /* volumes, 0..255, 0 = mute */ 216 } snd_mix_param ; 217 218 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 219 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 220 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 221 222 /* 223 * channel specifiers used in AIOSTOP and AIOSYNC 224 */ 225 #define AIOSYNC_PLAY 0x1 /* play chan */ 226 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 227 /* AIOSTOP stop & flush a channel, returns the residual count */ 228 #define AIOSTOP _IOWR ('A', 15, int) 229 230 /* alternate method used to notify the sync condition */ 231 #define AIOSYNC_SIGNAL 0x100 232 #define AIOSYNC_SELECT 0x200 233 234 /* what the 'pos' field refers to */ 235 #define AIOSYNC_READY 0x400 236 #define AIOSYNC_FREE 0x800 237 238 typedef struct _snd_sync_parm { 239 long chan ; /* play or capture channel, plus modifier */ 240 long pos; 241 } snd_sync_parm; 242 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 243 244 /* 245 * The following is used to return device capabilities. If the structure 246 * passed to the ioctl is zeroed, default values are returned for rate 247 * and formats, a bitmap of available mixers is returned, and values 248 * (inputs, different levels) for the first one are returned. 249 * 250 * If formats, mixers, inputs are instantiated, then detailed info 251 * are returned depending on the call. 252 */ 253 typedef struct _snd_capabilities { 254 u_long rate_min, rate_max; /* min-max sampling rate */ 255 u_long formats; 256 u_long bufsize; /* DMA buffer size */ 257 u_long mixers; /* bitmap of available mixers */ 258 u_long inputs; /* bitmap of available inputs (per mixer) */ 259 u_short left, right; /* how many levels are supported */ 260 } snd_capabilities; 261 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 262 263 /* 264 * here is the old (Voxware) ioctl interface 265 */ 266 267 /* 268 * IOCTL Commands for /dev/sequencer 269 */ 270 271 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 272 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 273 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 274 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 275 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 276 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 277 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 278 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 279 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 280 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 281 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 282 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 283 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 284 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 285 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 286 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 287 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 288 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 289 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 290 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 291 292 struct seq_event_rec { 293 u_char arr[8]; 294 }; 295 296 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 297 #define SNDCTL_TMR_START _IO ('T', 2) 298 #define SNDCTL_TMR_STOP _IO ('T', 3) 299 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 300 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 301 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 302 # define TMR_INTERNAL 0x00000001 303 # define TMR_EXTERNAL 0x00000002 304 # define TMR_MODE_MIDI 0x00000010 305 # define TMR_MODE_FSK 0x00000020 306 # define TMR_MODE_CLS 0x00000040 307 # define TMR_MODE_SMPTE 0x00000080 308 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 309 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 310 311 /* 312 * Endian aware patch key generation algorithm. 313 */ 314 315 #if defined(_AIX) || defined(AIX) 316 # define _PATCHKEY(id) (0xfd00|id) 317 #else 318 # define _PATCHKEY(id) ((id<<8)|0xfd) 319 #endif 320 321 /* 322 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 323 * The following patch_info structure has been designed to support 324 * Gravis UltraSound. It tries to be universal format for uploading 325 * sample based patches but is probably too limited. 326 */ 327 328 struct patch_info { 329 /* u_short key; Use GUS_PATCH here */ 330 short key; /* Use GUS_PATCH here */ 331 #define GUS_PATCH _PATCHKEY(0x04) 332 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 333 334 short device_no; /* Synthesizer number */ 335 short instr_no; /* Midi pgm# */ 336 337 u_long mode; 338 /* 339 * The least significant byte has the same format than the GUS .PAT 340 * files 341 */ 342 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 343 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 344 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 345 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 346 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 347 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 348 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 349 /* (use the env_rate/env_offs fields). */ 350 /* Linux specific bits */ 351 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 352 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 353 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 354 /* Other bits must be zeroed */ 355 356 long len; /* Size of the wave data in bytes */ 357 long loop_start, loop_end; /* Byte offsets from the beginning */ 358 359 /* 360 * The base_freq and base_note fields are used when computing the 361 * playback speed for a note. The base_note defines the tone frequency 362 * which is heard if the sample is played using the base_freq as the 363 * playback speed. 364 * 365 * The low_note and high_note fields define the minimum and maximum note 366 * frequencies for which this sample is valid. It is possible to define 367 * more than one samples for a instrument number at the same time. The 368 * low_note and high_note fields are used to select the most suitable one. 369 * 370 * The fields base_note, high_note and low_note should contain 371 * the note frequency multiplied by 1000. For example value for the 372 * middle A is 440*1000. 373 */ 374 375 u_int base_freq; 376 u_long base_note; 377 u_long high_note; 378 u_long low_note; 379 int panning; /* -128=left, 127=right */ 380 int detuning; 381 382 /* New fields introduced in version 1.99.5 */ 383 384 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 385 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 386 u_char env_offset[ 6 ]; /* 255 == 100% */ 387 388 /* 389 * The tremolo, vibrato and scale info are not supported yet. 390 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 391 * WAVE_SCALE 392 */ 393 394 u_char tremolo_sweep; 395 u_char tremolo_rate; 396 u_char tremolo_depth; 397 398 u_char vibrato_sweep; 399 u_char vibrato_rate; 400 u_char vibrato_depth; 401 402 int scale_frequency; 403 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 404 405 int volume; 406 int spare[4]; 407 char data[1]; /* The waveform data starts here */ 408 }; 409 410 struct sysex_info { 411 short key; /* Use GUS_PATCH here */ 412 #define SYSEX_PATCH _PATCHKEY(0x05) 413 #define MAUI_PATCH _PATCHKEY(0x06) 414 short device_no; /* Synthesizer number */ 415 long len; /* Size of the sysex data in bytes */ 416 u_char data[1]; /* Sysex data starts here */ 417 }; 418 419 /* 420 * Patch management interface (/dev/sequencer, /dev/patmgr#) 421 * Don't use these calls if you want to maintain compatibility with 422 * the future versions of the driver. 423 */ 424 425 #define PS_NO_PATCHES 0 /* No patch support on device */ 426 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 427 #define PS_MGR_OK 2 /* Patch manager supported */ 428 #define PS_MANAGED 3 /* Patch manager running */ 429 430 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 431 432 /* 433 * The patmgr_info is a fixed size structure which is used for two 434 * different purposes. The intended use is for communication between 435 * the application using /dev/sequencer and the patch manager daemon 436 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 437 * 438 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 439 * a patch manager daemon to read and write device parameters. This 440 * ioctl available through /dev/sequencer also. Avoid using it since it's 441 * extremely hardware dependent. In addition access trough /dev/sequencer 442 * may confuse the patch manager daemon. 443 */ 444 445 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 446 u_long key; /* Don't worry. Reserved for communication 447 between the patch manager and the driver. */ 448 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 449 #define PM_K_COMMAND 2 /* Request from a application */ 450 #define PM_K_RESPONSE 3 /* From patmgr to application */ 451 #define PM_ERROR 4 /* Error returned by the patmgr */ 452 int device; 453 int command; 454 455 /* 456 * Commands 0x000 to 0xfff reserved for patch manager programs 457 */ 458 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 459 #define PMTYPE_FM2 1 /* 2 OP fm */ 460 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 461 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 462 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 463 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 464 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 465 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 466 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 467 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 468 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 469 470 /* 471 * Commands 0x1000 to 0xffff are for communication between the patch manager 472 * and the client 473 */ 474 #define _PM_LOAD_PATCH 0x100 475 476 /* 477 * Commands above 0xffff reserved for device specific use 478 */ 479 480 long parm1; 481 long parm2; 482 long parm3; 483 484 union { 485 u_char data8[4000]; 486 u_short data16[2000]; 487 u_long data32[1000]; 488 struct patch_info patch; 489 } data; 490 }; 491 492 /* 493 * When a patch manager daemon is present, it will be informed by the 494 * driver when something important happens. For example when the 495 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 496 * returned. The command field contains the event type: 497 */ 498 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 499 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 500 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 501 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 502 503 /* 504 * /dev/sequencer input events. 505 * 506 * The data written to the /dev/sequencer is a stream of events. Events 507 * are records of 4 or 8 bytes. The first byte defines the size. 508 * Any number of events can be written with a write call. There 509 * is a set of macros for sending these events. Use these macros if you 510 * want to maximize portability of your program. 511 * 512 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 513 * (All input events are currently 4 bytes long. Be prepared to support 514 * 8 byte events also. If you receive any event having first byte >= 128, 515 * it's a 8 byte event. 516 * 517 * The events are documented at the end of this file. 518 * 519 * Normal events (4 bytes) 520 * There is also a 8 byte version of most of the 4 byte events. The 521 * 8 byte one is recommended. 522 */ 523 #define SEQ_NOTEOFF 0 524 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 525 #define SEQ_NOTEON 1 526 #define SEQ_FMNOTEON SEQ_NOTEON 527 #define SEQ_WAIT TMR_WAIT_ABS 528 #define SEQ_PGMCHANGE 3 529 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 530 #define SEQ_SYNCTIMER TMR_START 531 #define SEQ_MIDIPUTC 5 532 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 533 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 534 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 535 #define SEQ_AFTERTOUCH 9 536 #define SEQ_CONTROLLER 10 537 538 /* 539 * Midi controller numbers 540 * 541 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 542 * are continuous controllers. 543 * In the MIDI 1.0 these controllers are sent using two messages. 544 * Controller numbers 0 to 31 are used to send the MSB and the 545 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 546 * are used in MIDI bytes. 547 */ 548 549 #define CTL_BANK_SELECT 0x00 550 #define CTL_MODWHEEL 0x01 551 #define CTL_BREATH 0x02 552 /* undefined 0x03 */ 553 #define CTL_FOOT 0x04 554 #define CTL_PORTAMENTO_TIME 0x05 555 #define CTL_DATA_ENTRY 0x06 556 #define CTL_MAIN_VOLUME 0x07 557 #define CTL_BALANCE 0x08 558 /* undefined 0x09 */ 559 #define CTL_PAN 0x0a 560 #define CTL_EXPRESSION 0x0b 561 /* undefined 0x0c - 0x0f */ 562 #define CTL_GENERAL_PURPOSE1 0x10 563 #define CTL_GENERAL_PURPOSE2 0x11 564 #define CTL_GENERAL_PURPOSE3 0x12 565 #define CTL_GENERAL_PURPOSE4 0x13 566 /* undefined 0x14 - 0x1f */ 567 568 /* undefined 0x20 */ 569 570 /* 571 * The controller numbers 0x21 to 0x3f are reserved for the 572 * least significant bytes of the controllers 0x00 to 0x1f. 573 * These controllers are not recognised by the driver. 574 * 575 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 576 * 0=OFF and 127=ON (intermediate values are possible) 577 */ 578 #define CTL_DAMPER_PEDAL 0x40 579 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 580 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 581 #define CTL_PORTAMENTO 0x41 582 #define CTL_SOSTENUTO 0x42 583 #define CTL_SOFT_PEDAL 0x43 584 /* undefined 0x44 */ 585 #define CTL_HOLD2 0x45 586 /* undefined 0x46 - 0x4f */ 587 588 #define CTL_GENERAL_PURPOSE5 0x50 589 #define CTL_GENERAL_PURPOSE6 0x51 590 #define CTL_GENERAL_PURPOSE7 0x52 591 #define CTL_GENERAL_PURPOSE8 0x53 592 /* undefined 0x54 - 0x5a */ 593 #define CTL_EXT_EFF_DEPTH 0x5b 594 #define CTL_TREMOLO_DEPTH 0x5c 595 #define CTL_CHORUS_DEPTH 0x5d 596 #define CTL_DETUNE_DEPTH 0x5e 597 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 598 #define CTL_PHASER_DEPTH 0x5f 599 #define CTL_DATA_INCREMENT 0x60 600 #define CTL_DATA_DECREMENT 0x61 601 #define CTL_NONREG_PARM_NUM_LSB 0x62 602 #define CTL_NONREG_PARM_NUM_MSB 0x63 603 #define CTL_REGIST_PARM_NUM_LSB 0x64 604 #define CTL_REGIST_PARM_NUM_MSB 0x65 605 /* undefined 0x66 - 0x78 */ 606 /* reserved 0x79 - 0x7f */ 607 608 /* Pseudo controllers (not midi compatible) */ 609 #define CTRL_PITCH_BENDER 255 610 #define CTRL_PITCH_BENDER_RANGE 254 611 #define CTRL_EXPRESSION 253 /* Obsolete */ 612 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 613 614 #define SEQ_BALANCE 11 615 #define SEQ_VOLMODE 12 616 617 /* 618 * Volume mode decides how volumes are used 619 */ 620 621 #define VOL_METHOD_ADAGIO 1 622 #define VOL_METHOD_LINEAR 2 623 624 /* 625 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 626 * input events. 627 */ 628 629 /* 630 * Event codes 0xf0 to 0xfc are reserved for future extensions. 631 */ 632 633 #define SEQ_FULLSIZE 0xfd /* Long events */ 634 /* 635 * SEQ_FULLSIZE events are used for loading patches/samples to the 636 * synthesizer devices. These events are passed directly to the driver 637 * of the associated synthesizer device. There is no limit to the size 638 * of the extended events. These events are not queued but executed 639 * immediately when the write() is called (execution can take several 640 * seconds of time). 641 * 642 * When a SEQ_FULLSIZE message is written to the device, it must 643 * be written using exactly one write() call. Other events cannot 644 * be mixed to the same write. 645 * 646 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 647 * it to the /dev/sequencer. Don't write other data together with 648 * the instrument structure Set the key field of the structure to 649 * FM_PATCH. The device field is used to route the patch to the 650 * corresponding device. 651 * 652 * For Gravis UltraSound use struct patch_info. Initialize the key field 653 * to GUS_PATCH. 654 */ 655 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 656 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 657 658 /* 659 * Record for FM patches 660 */ 661 662 typedef u_char sbi_instr_data[32]; 663 664 struct sbi_instrument { 665 u_short key; /* FM_PATCH or OPL3_PATCH */ 666 #define FM_PATCH _PATCHKEY(0x01) 667 #define OPL3_PATCH _PATCHKEY(0x03) 668 short device; /* Synth# (0-4) */ 669 int channel; /* Program# to be initialized */ 670 sbi_instr_data operators; /* Reg. settings for operator cells 671 * (.SBI format) */ 672 }; 673 674 struct synth_info { /* Read only */ 675 char name[30]; 676 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 677 int synth_type; 678 #define SYNTH_TYPE_FM 0 679 #define SYNTH_TYPE_SAMPLE 1 680 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 681 682 int synth_subtype; 683 #define FM_TYPE_ADLIB 0x00 684 #define FM_TYPE_OPL3 0x01 685 686 #define SAMPLE_TYPE_BASIC 0x10 687 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 688 #define SAMPLE_TYPE_AWE32 0x20 689 690 int perc_mode; /* No longer supported */ 691 int nr_voices; 692 int nr_drums; /* Obsolete field */ 693 int instr_bank_size; 694 u_long capabilities; 695 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 696 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 697 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 698 int dummies[19]; /* Reserve space */ 699 }; 700 701 struct sound_timer_info { 702 char name[32]; 703 int caps; 704 }; 705 706 #define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 707 708 struct midi_info { 709 char name[30]; 710 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 711 u_long capabilities; /* To be defined later */ 712 int dev_type; 713 int dummies[18]; /* Reserve space */ 714 }; 715 716 /* 717 * ioctl commands for the /dev/midi## 718 */ 719 typedef struct { 720 u_char cmd; 721 char nr_args, nr_returns; 722 u_char data[30]; 723 } mpu_command_rec; 724 725 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 726 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 727 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 728 #define MIOSPASSTHRU _IOWR('m', 3, int) 729 #define MIOGPASSTHRU _IOWR('m', 4, int) 730 731 /* 732 * IOCTL commands for /dev/dsp and /dev/audio 733 */ 734 735 #define SNDCTL_DSP_RESET _IO ('P', 0) 736 #define SNDCTL_DSP_SYNC _IO ('P', 1) 737 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 738 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 739 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 740 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 741 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 742 743 /* 744 * SOUND_PCM_WRITE_CHANNELS is not that different 745 * from SNDCTL_DSP_STEREO 746 */ 747 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 748 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 749 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 750 #define SNDCTL_DSP_POST _IO ('P', 8) 751 752 /* 753 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 754 * the same thing, i.e. set the block size used in DMA transfers. 755 */ 756 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 757 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 758 759 760 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 761 /* 762 * Buffer status queries. 763 */ 764 typedef struct audio_buf_info { 765 int fragments; /* # of avail. frags (partly used ones not counted) */ 766 int fragstotal; /* Total # of fragments allocated */ 767 int fragsize; /* Size of a fragment in bytes */ 768 769 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 770 /* Note! 'bytes' could be more than fragments*fragsize */ 771 } audio_buf_info; 772 773 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 774 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 775 776 /* 777 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 778 * action cannot be undone) of FIONBIO. The same can be achieved 779 * by opening the device with O_NDELAY 780 */ 781 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 782 783 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 784 #define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 785 #define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 786 #define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 787 #define DSP_CAP_BATCH 0x00000400 788 /* 789 * Device has some kind of internal buffers which may 790 * cause some delays and decrease precision of timing 791 */ 792 #define DSP_CAP_COPROC 0x00000800 793 /* Has a coprocessor, sometimes it's a DSP but usually not */ 794 #define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 795 #define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 796 797 /* 798 * What do these function do ? 799 */ 800 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 801 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 802 #define PCM_ENABLE_INPUT 0x00000001 803 #define PCM_ENABLE_OUTPUT 0x00000002 804 805 typedef struct count_info { 806 int bytes; /* Total # of bytes processed */ 807 int blocks; /* # of fragment transitions since last time */ 808 int ptr; /* Current DMA pointer value */ 809 } count_info; 810 811 /* 812 * GETIPTR and GETISPACE are not that different... same for out. 813 */ 814 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 815 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 816 817 typedef struct buffmem_desc { 818 caddr_t buffer; 819 int size; 820 } buffmem_desc; 821 822 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 823 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 824 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 825 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 826 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 827 828 /* 829 * I guess these are the readonly version of the same 830 * functions that exist above as SNDCTL_DSP_... 831 */ 832 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 833 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 834 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 835 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 836 837 /* 838 * ioctl calls to be used in communication with coprocessors and 839 * DSP chips. 840 */ 841 842 typedef struct copr_buffer { 843 int command; /* Set to 0 if not used */ 844 int flags; 845 #define CPF_NONE 0x0000 846 #define CPF_FIRST 0x0001 /* First block */ 847 #define CPF_LAST 0x0002 /* Last block */ 848 int len; 849 int offs; /* If required by the device (0 if not used) */ 850 851 u_char data[4000]; /* NOTE! 4000 is not 4k */ 852 } copr_buffer; 853 854 typedef struct copr_debug_buf { 855 int command; /* Used internally. Set to 0 */ 856 int parm1; 857 int parm2; 858 int flags; 859 int len; /* Length of data in bytes */ 860 } copr_debug_buf; 861 862 typedef struct copr_msg { 863 int len; 864 u_char data[4000]; 865 } copr_msg; 866 867 #define SNDCTL_COPR_RESET _IO ('C', 0) 868 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 869 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 870 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 871 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 872 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 873 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 874 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 875 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 876 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 877 878 /* 879 * IOCTL commands for /dev/mixer 880 */ 881 882 /* 883 * Mixer devices 884 * 885 * There can be up to 20 different analog mixer channels. The 886 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 887 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 888 * the devices supported by the particular mixer. 889 */ 890 891 #define SOUND_MIXER_NRDEVICES 25 892 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 893 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 894 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 895 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 896 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 897 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 898 * signals */ 899 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 900 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 901 * the microphone jack */ 902 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 903 * connected to the CD audio input */ 904 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 905 * output volume of the selected 906 * recording sources while recording */ 907 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 908 * device */ 909 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 910 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 911 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 912 /* 913 * The AD1848 codec and compatibles have three line level inputs 914 * (line, aux1 and aux2). Since each card manufacturer have assigned 915 * different meanings to these inputs, it's inpractical to assign 916 * specific meanings (line, cd, synth etc.) to them. 917 */ 918 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 919 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 920 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 921 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 922 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 923 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 924 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 925 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 926 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 927 #define SOUND_MIXER_RADIO 23 /* Radio in */ 928 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 929 930 931 /* 932 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 933 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 934 */ 935 #define SOUND_ONOFF_MIN 28 936 #define SOUND_ONOFF_MAX 30 937 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 938 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 939 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 940 941 /* Note! Number 31 cannot be used since the sign bit is reserved */ 942 #define SOUND_MIXER_NONE 31 943 944 #define SOUND_DEVICE_LABELS { \ 945 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 946 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 947 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 948 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 949 950 #define SOUND_DEVICE_NAMES { \ 951 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 952 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 953 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 954 "phin", "phout", "video", "radio", "monitor"} 955 956 /* Device bitmask identifiers */ 957 958 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 959 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 960 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 961 #define SOUND_MIXER_CAPS 0xfc 962 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 963 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 964 965 /* Device mask bits */ 966 967 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 968 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 969 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 970 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 971 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 972 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 973 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 974 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 975 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 976 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 977 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 978 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 979 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 980 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 981 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 982 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 983 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 984 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 985 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 986 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 987 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 988 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 989 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 990 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 991 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 992 993 /* Obsolete macros */ 994 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 995 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 996 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 997 998 #define MIXER_READ(dev) _IOR('M', dev, int) 999 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1000 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1001 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1002 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1003 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1004 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1005 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1006 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1007 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1008 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1009 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1010 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1011 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1012 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1013 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1014 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1015 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1016 1017 /* Obsolete macros */ 1018 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1019 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1020 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1021 1022 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1023 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1024 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1025 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1026 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1027 1028 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1029 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1030 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1031 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1032 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1033 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1034 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1035 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1036 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1037 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1038 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1039 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1040 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1041 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1042 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1043 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1044 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1045 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1046 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1047 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1048 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1049 1050 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1051 1052 #define LEFT_CHN 0 1053 #define RIGHT_CHN 1 1054 1055 /* 1056 * Level 2 event types for /dev/sequencer 1057 */ 1058 1059 /* 1060 * The 4 most significant bits of byte 0 specify the class of 1061 * the event: 1062 * 1063 * 0x8X = system level events, 1064 * 0x9X = device/port specific events, event[1] = device/port, 1065 * The last 4 bits give the subtype: 1066 * 0x02 = Channel event (event[3] = chn). 1067 * 0x01 = note event (event[4] = note). 1068 * (0x01 is not used alone but always with bit 0x02). 1069 * event[2] = MIDI message code (0x80=note off etc.) 1070 * 1071 */ 1072 1073 #define EV_SEQ_LOCAL 0x80 1074 #define EV_TIMING 0x81 1075 #define EV_CHN_COMMON 0x92 1076 #define EV_CHN_VOICE 0x93 1077 #define EV_SYSEX 0x94 1078 /* 1079 * Event types 200 to 220 are reserved for application use. 1080 * These numbers will not be used by the driver. 1081 */ 1082 1083 /* 1084 * Events for event type EV_CHN_VOICE 1085 */ 1086 1087 #define MIDI_NOTEOFF 0x80 1088 #define MIDI_NOTEON 0x90 1089 #define MIDI_KEY_PRESSURE 0xA0 1090 1091 /* 1092 * Events for event type EV_CHN_COMMON 1093 */ 1094 1095 #define MIDI_CTL_CHANGE 0xB0 1096 #define MIDI_PGM_CHANGE 0xC0 1097 #define MIDI_CHN_PRESSURE 0xD0 1098 #define MIDI_PITCH_BEND 0xE0 1099 1100 #define MIDI_SYSTEM_PREFIX 0xF0 1101 1102 /* 1103 * Timer event types 1104 */ 1105 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1106 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1107 #define TMR_STOP 3 1108 #define TMR_START 4 1109 #define TMR_CONTINUE 5 1110 #define TMR_TEMPO 6 1111 #define TMR_ECHO 8 1112 #define TMR_CLOCK 9 /* MIDI clock */ 1113 #define TMR_SPP 10 /* Song position pointer */ 1114 #define TMR_TIMESIG 11 /* Time signature */ 1115 1116 /* 1117 * Local event types 1118 */ 1119 #define LOCL_STARTAUDIO 1 1120 1121 #if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1122 /* 1123 * Some convenience macros to simplify programming of the 1124 * /dev/sequencer interface 1125 * 1126 * These macros define the API which should be used when possible. 1127 */ 1128 1129 #ifndef USE_SIMPLE_MACROS 1130 void seqbuf_dump(void); /* This function must be provided by programs */ 1131 1132 /* Sample seqbuf_dump() implementation: 1133 * 1134 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1135 * 1136 * int seqfd; -- The file descriptor for /dev/sequencer. 1137 * 1138 * void 1139 * seqbuf_dump () 1140 * { 1141 * if (_seqbufptr) 1142 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1143 * { 1144 * perror ("write /dev/sequencer"); 1145 * exit (-1); 1146 * } 1147 * _seqbufptr = 0; 1148 * } 1149 */ 1150 1151 #define SEQ_DEFINEBUF(len) \ 1152 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1153 #define SEQ_USE_EXTBUF() \ 1154 extern u_char _seqbuf[]; \ 1155 extern int _seqbuflen;extern int _seqbufptr 1156 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1157 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1158 #define _SEQ_NEEDBUF(len) \ 1159 if ((_seqbufptr+(len)) > _seqbuflen) \ 1160 seqbuf_dump() 1161 #define _SEQ_ADVBUF(len) _seqbufptr += len 1162 #define SEQ_DUMPBUF seqbuf_dump 1163 #else 1164 /* 1165 * This variation of the sequencer macros is used just to format one event 1166 * using fixed buffer. 1167 * 1168 * The program using the macro library must define the following macros before 1169 * using this library. 1170 * 1171 * #define _seqbuf name of the buffer (u_char[]) 1172 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1173 * size of the event, this macro can be used. 1174 * Otherwise this must be defined as empty. 1175 * #define _seqbufptr Define the name of index variable or 0 if 1176 * not required. 1177 */ 1178 #define _SEQ_NEEDBUF(len) /* empty */ 1179 #endif 1180 1181 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1182 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1183 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1184 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1185 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1186 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1187 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1188 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1189 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1190 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1191 1192 #define SEQ_VOLUME_MODE(dev, mode) { \ 1193 _SEQ_NEEDBUF(8);\ 1194 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1195 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1196 _seqbuf[_seqbufptr+2] = (dev);\ 1197 _seqbuf[_seqbufptr+3] = (mode);\ 1198 _seqbuf[_seqbufptr+4] = 0;\ 1199 _seqbuf[_seqbufptr+5] = 0;\ 1200 _seqbuf[_seqbufptr+6] = 0;\ 1201 _seqbuf[_seqbufptr+7] = 0;\ 1202 _SEQ_ADVBUF(8);} 1203 1204 /* 1205 * Midi voice messages 1206 */ 1207 1208 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1209 _SEQ_NEEDBUF(8);\ 1210 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1211 _seqbuf[_seqbufptr+1] = (dev);\ 1212 _seqbuf[_seqbufptr+2] = (event);\ 1213 _seqbuf[_seqbufptr+3] = (chn);\ 1214 _seqbuf[_seqbufptr+4] = (note);\ 1215 _seqbuf[_seqbufptr+5] = (parm);\ 1216 _seqbuf[_seqbufptr+6] = (0);\ 1217 _seqbuf[_seqbufptr+7] = 0;\ 1218 _SEQ_ADVBUF(8);} 1219 1220 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1221 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1222 1223 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1224 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1225 1226 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1227 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1228 1229 /* 1230 * Midi channel messages 1231 */ 1232 1233 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1234 _SEQ_NEEDBUF(8);\ 1235 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1236 _seqbuf[_seqbufptr+1] = (dev);\ 1237 _seqbuf[_seqbufptr+2] = (event);\ 1238 _seqbuf[_seqbufptr+3] = (chn);\ 1239 _seqbuf[_seqbufptr+4] = (p1);\ 1240 _seqbuf[_seqbufptr+5] = (p2);\ 1241 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1242 _SEQ_ADVBUF(8);} 1243 /* 1244 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1245 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1246 * so _will_ cause problems with MPU401 intelligent mode). 1247 * 1248 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1249 * sent by calling SEQ_SYSEX() several times (there must be no other events 1250 * between them). First sysex fragment must have 0xf0 in the first byte 1251 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1252 * between these sysex start and end markers cannot be larger than 0x7f. Also 1253 * lengths of each fragments (except the last one) must be 6. 1254 * 1255 * Breaking the above rules may work with some MIDI ports but is likely to 1256 * cause fatal problems with some other devices (such as MPU401). 1257 */ 1258 #define SEQ_SYSEX(dev, buf, len) { \ 1259 int i, l=(len); if (l>6)l=6;\ 1260 _SEQ_NEEDBUF(8);\ 1261 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1262 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1263 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1264 _SEQ_ADVBUF(8);} 1265 1266 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1267 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1268 1269 #define SEQ_SET_PATCH(dev, chn, patch) \ 1270 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1271 1272 #define SEQ_CONTROL(dev, chn, controller, value) \ 1273 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1274 1275 #define SEQ_BENDER(dev, chn, value) \ 1276 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1277 1278 1279 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1280 _SEQ_NEEDBUF(8);\ 1281 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1282 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1283 _seqbuf[_seqbufptr+2] = (dev);\ 1284 _seqbuf[_seqbufptr+3] = (voice);\ 1285 _seqbuf[_seqbufptr+4] = (controller);\ 1286 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1287 _seqbuf[_seqbufptr+7] = 0;\ 1288 _SEQ_ADVBUF(8);} 1289 1290 /* 1291 * The following 5 macros are incorrectly implemented and obsolete. 1292 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1293 */ 1294 1295 #define SEQ_PITCHBEND(dev, voice, value) \ 1296 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1297 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1298 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1299 #define SEQ_EXPRESSION(dev, voice, value) \ 1300 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1301 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1302 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1303 #define SEQ_PANNING(dev, voice, pos) \ 1304 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1305 1306 /* 1307 * Timing and syncronization macros 1308 */ 1309 1310 #define _TIMER_EVENT(ev, parm) { \ 1311 _SEQ_NEEDBUF(8);\ 1312 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1313 _seqbuf[_seqbufptr+1] = (ev); \ 1314 _seqbuf[_seqbufptr+2] = 0;\ 1315 _seqbuf[_seqbufptr+3] = 0;\ 1316 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1317 _SEQ_ADVBUF(8); \ 1318 } 1319 1320 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1321 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1322 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1323 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1324 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1325 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1326 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1327 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1328 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1329 1330 /* 1331 * Local control events 1332 */ 1333 1334 #define _LOCAL_EVENT(ev, parm) { \ 1335 _SEQ_NEEDBUF(8);\ 1336 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1337 _seqbuf[_seqbufptr+1] = (ev); \ 1338 _seqbuf[_seqbufptr+2] = 0;\ 1339 _seqbuf[_seqbufptr+3] = 0;\ 1340 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1341 _SEQ_ADVBUF(8); \ 1342 } 1343 1344 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1345 /* 1346 * Events for the level 1 interface only 1347 */ 1348 1349 #define SEQ_MIDIOUT(device, byte) { \ 1350 _SEQ_NEEDBUF(4);\ 1351 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1352 _seqbuf[_seqbufptr+1] = (byte);\ 1353 _seqbuf[_seqbufptr+2] = (device);\ 1354 _seqbuf[_seqbufptr+3] = 0;\ 1355 _SEQ_ADVBUF(4);} 1356 1357 /* 1358 * Patch loading. 1359 */ 1360 #define SEQ_WRPATCH(patchx, len) { \ 1361 if (_seqbufptr) seqbuf_dump(); \ 1362 if (write(seqfd, (char*)(patchx), len)==-1) \ 1363 perror("Write patch: /dev/sequencer"); \ 1364 } 1365 1366 #define SEQ_WRPATCH2(patchx, len) \ 1367 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1368 1369 #endif 1370 1371 /* 1372 * Here I have moved all the aliases for ioctl names. 1373 */ 1374 1375 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1376 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1377 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1378 1379 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1380 #define SOUND_PCM_POST SNDCTL_DSP_POST 1381 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1382 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1383 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1384 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1385 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1386 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1387 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1388 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1389 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1390 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1391 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1392 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1393 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1394 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1395 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1396 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1397 1398 #endif /* !_SYS_SOUNDCARD_H_ */ 1399