soundcard.h revision 114642
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: head/sys/sys/soundcard.h 114642 2003-05-04 05:57:50Z mbr $ 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#include <machine/endian.h> 99#ifndef _IOWR 100#include <sys/ioccom.h> 101#endif /* !_IOWR */ 102 103/* 104 * The first part of this file contains the new FreeBSD sound ioctl 105 * interface. Tries to minimize the number of different ioctls, and 106 * to be reasonably general. 107 * 108 * 970821: some of the new calls have not been implemented yet. 109 */ 110 111/* 112 * the following three calls extend the generic file descriptor 113 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 114 * number of bytes for a write operation to be non-blocking. 115 * 116 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 117 * from a character device (default) to a block device. In block mode, 118 * (not to be confused with blocking mode) the main difference for the 119 * application is that select() will return only when a complete 120 * block can be read/written to the device, whereas in character mode 121 * select will return true when one byte can be exchanged. For audio 122 * devices, character mode makes select almost useless since one byte 123 * will always be ready by the next sample time (which is often only a 124 * handful of microseconds away). 125 * Use a size of 0 or 1 to return to character mode. 126 */ 127#define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 128struct snd_size { 129 int play_size; 130 int rec_size; 131}; 132#define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 133#define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 134 135/* 136 * The following constants define supported audio formats. The 137 * encoding follows voxware conventions, i.e. 1 bit for each supported 138 * format. We extend it by using bit 31 (RO) to indicate full-duplex 139 * capability, and bit 29 (RO) to indicate that the card supports/ 140 * needs different formats on capture & playback channels. 141 * Bit 29 (RW) is used to indicate/ask stereo. 142 * 143 * The number of bits required to store the sample is: 144 * o 4 bits for the IDA ADPCM format, 145 * o 8 bits for 8-bit formats, mu-law and A-law, 146 * o 16 bits for the 16-bit formats, and 147 * o 32 bits for the 24/32-bit formats. 148 * o undefined for the MPEG audio format. 149 */ 150 151#define AFMT_QUERY 0x00000000 /* Return current format */ 152#define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 153#define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 154#define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 155 * squence represented using the 156 * the average 4 bits per sample */ 157#define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 158#define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 159#define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 160#define AFMT_S8 0x00000040 /* Signed 8-bit */ 161#define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 162#define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 163#define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 164#define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 165 166#if _BYTE_ORDER == _LITTLE_ENDIAN 167#define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */ 168#else 169#define AFMT_S16_NE AFMT_S16_BE 170#endif 171 172/* 173 * 32-bit formats below used for 24-bit audio data where the data is stored 174 * in the 24 most significant bits and the least significant bits are not used 175 * (should be set to 0). 176 */ 177#define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 178#define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 179#define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 180#define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 181 182#define AFMT_STEREO 0x10000000 /* can do/want stereo */ 183 184/* 185 * the following are really capabilities 186 */ 187#define AFMT_WEIRD 0x20000000 /* weird hardware... */ 188 /* 189 * AFMT_WEIRD reports that the hardware might need to operate 190 * with different formats in the playback and capture 191 * channels when operating in full duplex. 192 * As an example, SoundBlaster16 cards only support U8 in one 193 * direction and S16 in the other one, and applications should 194 * be aware of this limitation. 195 */ 196#define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 197 198/* 199 * The following structure is used to get/set format and sampling rate. 200 * While it would be better to have things such as stereo, bits per 201 * sample, endiannes, etc split in different variables, it turns out 202 * that formats are not that many, and not all combinations are possible. 203 * So we followed the Voxware approach of associating one bit to each 204 * format. 205 */ 206 207typedef struct _snd_chan_param { 208 u_long play_rate; /* sampling rate */ 209 u_long rec_rate; /* sampling rate */ 210 u_long play_format; /* everything describing the format */ 211 u_long rec_format; /* everything describing the format */ 212} snd_chan_param; 213#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 214#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 215 216/* 217 * The following structure is used to get/set the mixer setting. 218 * Up to 32 mixers are supported, each one with up to 32 channels. 219 */ 220typedef struct _snd_mix_param { 221 u_char subdev; /* which output */ 222 u_char line; /* which input */ 223 u_char left,right; /* volumes, 0..255, 0 = mute */ 224} snd_mix_param ; 225 226/* XXX AIOGMIX, AIOSMIX not implemented yet */ 227#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 228#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 229 230/* 231 * channel specifiers used in AIOSTOP and AIOSYNC 232 */ 233#define AIOSYNC_PLAY 0x1 /* play chan */ 234#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 235/* AIOSTOP stop & flush a channel, returns the residual count */ 236#define AIOSTOP _IOWR ('A', 15, int) 237 238/* alternate method used to notify the sync condition */ 239#define AIOSYNC_SIGNAL 0x100 240#define AIOSYNC_SELECT 0x200 241 242/* what the 'pos' field refers to */ 243#define AIOSYNC_READY 0x400 244#define AIOSYNC_FREE 0x800 245 246typedef struct _snd_sync_parm { 247 long chan ; /* play or capture channel, plus modifier */ 248 long pos; 249} snd_sync_parm; 250#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 251 252/* 253 * The following is used to return device capabilities. If the structure 254 * passed to the ioctl is zeroed, default values are returned for rate 255 * and formats, a bitmap of available mixers is returned, and values 256 * (inputs, different levels) for the first one are returned. 257 * 258 * If formats, mixers, inputs are instantiated, then detailed info 259 * are returned depending on the call. 260 */ 261typedef struct _snd_capabilities { 262 u_long rate_min, rate_max; /* min-max sampling rate */ 263 u_long formats; 264 u_long bufsize; /* DMA buffer size */ 265 u_long mixers; /* bitmap of available mixers */ 266 u_long inputs; /* bitmap of available inputs (per mixer) */ 267 u_short left, right; /* how many levels are supported */ 268} snd_capabilities; 269#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 270 271/* 272 * here is the old (Voxware) ioctl interface 273 */ 274 275/* 276 * IOCTL Commands for /dev/sequencer 277 */ 278 279#define SNDCTL_SEQ_RESET _IO ('Q', 0) 280#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 281#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 282#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 283#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 284#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 285#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 286#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 287#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 288#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 289#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 290#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 291#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 292#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 293#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 294#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 295#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 296#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 297#define SNDCTL_SEQ_PANIC _IO ('Q',17) 298#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 299 300struct seq_event_rec { 301 u_char arr[8]; 302}; 303 304#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 305#define SNDCTL_TMR_START _IO ('T', 2) 306#define SNDCTL_TMR_STOP _IO ('T', 3) 307#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 308#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 309#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 310# define TMR_INTERNAL 0x00000001 311# define TMR_EXTERNAL 0x00000002 312# define TMR_MODE_MIDI 0x00000010 313# define TMR_MODE_FSK 0x00000020 314# define TMR_MODE_CLS 0x00000040 315# define TMR_MODE_SMPTE 0x00000080 316#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 317#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 318 319/* 320 * Endian aware patch key generation algorithm. 321 */ 322 323#if defined(_AIX) || defined(AIX) 324# define _PATCHKEY(id) (0xfd00|id) 325#else 326# define _PATCHKEY(id) ((id<<8)|0xfd) 327#endif 328 329/* 330 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 331 * The following patch_info structure has been designed to support 332 * Gravis UltraSound. It tries to be universal format for uploading 333 * sample based patches but is probably too limited. 334 */ 335 336struct patch_info { 337/* u_short key; Use GUS_PATCH here */ 338 short key; /* Use GUS_PATCH here */ 339#define GUS_PATCH _PATCHKEY(0x04) 340#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 341 342 short device_no; /* Synthesizer number */ 343 short instr_no; /* Midi pgm# */ 344 345 u_long mode; 346/* 347 * The least significant byte has the same format than the GUS .PAT 348 * files 349 */ 350#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 351#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 352#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 353#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 354#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 355#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 356#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 357 /* (use the env_rate/env_offs fields). */ 358/* Linux specific bits */ 359#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 360#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 361#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 362/* Other bits must be zeroed */ 363 364 long len; /* Size of the wave data in bytes */ 365 long loop_start, loop_end; /* Byte offsets from the beginning */ 366 367/* 368 * The base_freq and base_note fields are used when computing the 369 * playback speed for a note. The base_note defines the tone frequency 370 * which is heard if the sample is played using the base_freq as the 371 * playback speed. 372 * 373 * The low_note and high_note fields define the minimum and maximum note 374 * frequencies for which this sample is valid. It is possible to define 375 * more than one samples for an instrument number at the same time. The 376 * low_note and high_note fields are used to select the most suitable one. 377 * 378 * The fields base_note, high_note and low_note should contain 379 * the note frequency multiplied by 1000. For example value for the 380 * middle A is 440*1000. 381 */ 382 383 u_int base_freq; 384 u_long base_note; 385 u_long high_note; 386 u_long low_note; 387 int panning; /* -128=left, 127=right */ 388 int detuning; 389 390/* New fields introduced in version 1.99.5 */ 391 392 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 393 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 394 u_char env_offset[ 6 ]; /* 255 == 100% */ 395 396 /* 397 * The tremolo, vibrato and scale info are not supported yet. 398 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 399 * WAVE_SCALE 400 */ 401 402 u_char tremolo_sweep; 403 u_char tremolo_rate; 404 u_char tremolo_depth; 405 406 u_char vibrato_sweep; 407 u_char vibrato_rate; 408 u_char vibrato_depth; 409 410 int scale_frequency; 411 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 412 413 int volume; 414 int spare[4]; 415 char data[1]; /* The waveform data starts here */ 416}; 417 418struct sysex_info { 419 short key; /* Use GUS_PATCH here */ 420#define SYSEX_PATCH _PATCHKEY(0x05) 421#define MAUI_PATCH _PATCHKEY(0x06) 422 short device_no; /* Synthesizer number */ 423 long len; /* Size of the sysex data in bytes */ 424 u_char data[1]; /* Sysex data starts here */ 425}; 426 427/* 428 * Patch management interface (/dev/sequencer, /dev/patmgr#) 429 * Don't use these calls if you want to maintain compatibility with 430 * the future versions of the driver. 431 */ 432 433#define PS_NO_PATCHES 0 /* No patch support on device */ 434#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 435#define PS_MGR_OK 2 /* Patch manager supported */ 436#define PS_MANAGED 3 /* Patch manager running */ 437 438#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 439 440/* 441 * The patmgr_info is a fixed size structure which is used for two 442 * different purposes. The intended use is for communication between 443 * the application using /dev/sequencer and the patch manager daemon 444 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 445 * 446 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 447 * a patch manager daemon to read and write device parameters. This 448 * ioctl available through /dev/sequencer also. Avoid using it since it's 449 * extremely hardware dependent. In addition access trough /dev/sequencer 450 * may confuse the patch manager daemon. 451 */ 452 453struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 454 u_long key; /* Don't worry. Reserved for communication 455 between the patch manager and the driver. */ 456#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 457#define PM_K_COMMAND 2 /* Request from an application */ 458#define PM_K_RESPONSE 3 /* From patmgr to application */ 459#define PM_ERROR 4 /* Error returned by the patmgr */ 460 int device; 461 int command; 462 463/* 464 * Commands 0x000 to 0xfff reserved for patch manager programs 465 */ 466#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 467#define PMTYPE_FM2 1 /* 2 OP fm */ 468#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 469#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 470#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 471#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 472#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 473#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 474#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 475#define PM_READ_PATCH 7 /* Read patch (wave) data */ 476#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 477 478/* 479 * Commands 0x1000 to 0xffff are for communication between the patch manager 480 * and the client 481 */ 482#define _PM_LOAD_PATCH 0x100 483 484/* 485 * Commands above 0xffff reserved for device specific use 486 */ 487 488 long parm1; 489 long parm2; 490 long parm3; 491 492 union { 493 u_char data8[4000]; 494 u_short data16[2000]; 495 u_long data32[1000]; 496 struct patch_info patch; 497 } data; 498}; 499 500/* 501 * When a patch manager daemon is present, it will be informed by the 502 * driver when something important happens. For example when the 503 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 504 * returned. The command field contains the event type: 505 */ 506#define PM_E_OPENED 1 /* /dev/sequencer opened */ 507#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 508#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 509#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 510 511/* 512 * /dev/sequencer input events. 513 * 514 * The data written to the /dev/sequencer is a stream of events. Events 515 * are records of 4 or 8 bytes. The first byte defines the size. 516 * Any number of events can be written with a write call. There 517 * is a set of macros for sending these events. Use these macros if you 518 * want to maximize portability of your program. 519 * 520 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 521 * (All input events are currently 4 bytes long. Be prepared to support 522 * 8 byte events also. If you receive any event having first byte >= 128, 523 * it's a 8 byte event. 524 * 525 * The events are documented at the end of this file. 526 * 527 * Normal events (4 bytes) 528 * There is also a 8 byte version of most of the 4 byte events. The 529 * 8 byte one is recommended. 530 */ 531#define SEQ_NOTEOFF 0 532#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 533#define SEQ_NOTEON 1 534#define SEQ_FMNOTEON SEQ_NOTEON 535#define SEQ_WAIT TMR_WAIT_ABS 536#define SEQ_PGMCHANGE 3 537#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 538#define SEQ_SYNCTIMER TMR_START 539#define SEQ_MIDIPUTC 5 540#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 541#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 542#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 543#define SEQ_AFTERTOUCH 9 544#define SEQ_CONTROLLER 10 545 546/* 547 * Midi controller numbers 548 * 549 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 550 * are continuous controllers. 551 * In the MIDI 1.0 these controllers are sent using two messages. 552 * Controller numbers 0 to 31 are used to send the MSB and the 553 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 554 * are used in MIDI bytes. 555 */ 556 557#define CTL_BANK_SELECT 0x00 558#define CTL_MODWHEEL 0x01 559#define CTL_BREATH 0x02 560/* undefined 0x03 */ 561#define CTL_FOOT 0x04 562#define CTL_PORTAMENTO_TIME 0x05 563#define CTL_DATA_ENTRY 0x06 564#define CTL_MAIN_VOLUME 0x07 565#define CTL_BALANCE 0x08 566/* undefined 0x09 */ 567#define CTL_PAN 0x0a 568#define CTL_EXPRESSION 0x0b 569/* undefined 0x0c - 0x0f */ 570#define CTL_GENERAL_PURPOSE1 0x10 571#define CTL_GENERAL_PURPOSE2 0x11 572#define CTL_GENERAL_PURPOSE3 0x12 573#define CTL_GENERAL_PURPOSE4 0x13 574/* undefined 0x14 - 0x1f */ 575 576/* undefined 0x20 */ 577 578/* 579 * The controller numbers 0x21 to 0x3f are reserved for the 580 * least significant bytes of the controllers 0x00 to 0x1f. 581 * These controllers are not recognised by the driver. 582 * 583 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 584 * 0=OFF and 127=ON (intermediate values are possible) 585 */ 586#define CTL_DAMPER_PEDAL 0x40 587#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 588#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 589#define CTL_PORTAMENTO 0x41 590#define CTL_SOSTENUTO 0x42 591#define CTL_SOFT_PEDAL 0x43 592/* undefined 0x44 */ 593#define CTL_HOLD2 0x45 594/* undefined 0x46 - 0x4f */ 595 596#define CTL_GENERAL_PURPOSE5 0x50 597#define CTL_GENERAL_PURPOSE6 0x51 598#define CTL_GENERAL_PURPOSE7 0x52 599#define CTL_GENERAL_PURPOSE8 0x53 600/* undefined 0x54 - 0x5a */ 601#define CTL_EXT_EFF_DEPTH 0x5b 602#define CTL_TREMOLO_DEPTH 0x5c 603#define CTL_CHORUS_DEPTH 0x5d 604#define CTL_DETUNE_DEPTH 0x5e 605#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 606#define CTL_PHASER_DEPTH 0x5f 607#define CTL_DATA_INCREMENT 0x60 608#define CTL_DATA_DECREMENT 0x61 609#define CTL_NONREG_PARM_NUM_LSB 0x62 610#define CTL_NONREG_PARM_NUM_MSB 0x63 611#define CTL_REGIST_PARM_NUM_LSB 0x64 612#define CTL_REGIST_PARM_NUM_MSB 0x65 613/* undefined 0x66 - 0x78 */ 614/* reserved 0x79 - 0x7f */ 615 616/* Pseudo controllers (not midi compatible) */ 617#define CTRL_PITCH_BENDER 255 618#define CTRL_PITCH_BENDER_RANGE 254 619#define CTRL_EXPRESSION 253 /* Obsolete */ 620#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 621 622#define SEQ_BALANCE 11 623#define SEQ_VOLMODE 12 624 625/* 626 * Volume mode decides how volumes are used 627 */ 628 629#define VOL_METHOD_ADAGIO 1 630#define VOL_METHOD_LINEAR 2 631 632/* 633 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 634 * input events. 635 */ 636 637/* 638 * Event codes 0xf0 to 0xfc are reserved for future extensions. 639 */ 640 641#define SEQ_FULLSIZE 0xfd /* Long events */ 642/* 643 * SEQ_FULLSIZE events are used for loading patches/samples to the 644 * synthesizer devices. These events are passed directly to the driver 645 * of the associated synthesizer device. There is no limit to the size 646 * of the extended events. These events are not queued but executed 647 * immediately when the write() is called (execution can take several 648 * seconds of time). 649 * 650 * When a SEQ_FULLSIZE message is written to the device, it must 651 * be written using exactly one write() call. Other events cannot 652 * be mixed to the same write. 653 * 654 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 655 * it to the /dev/sequencer. Don't write other data together with 656 * the instrument structure Set the key field of the structure to 657 * FM_PATCH. The device field is used to route the patch to the 658 * corresponding device. 659 * 660 * For Gravis UltraSound use struct patch_info. Initialize the key field 661 * to GUS_PATCH. 662 */ 663#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 664#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 665 666/* 667 * Record for FM patches 668 */ 669 670typedef u_char sbi_instr_data[32]; 671 672struct sbi_instrument { 673 u_short key; /* FM_PATCH or OPL3_PATCH */ 674#define FM_PATCH _PATCHKEY(0x01) 675#define OPL3_PATCH _PATCHKEY(0x03) 676 short device; /* Synth# (0-4) */ 677 int channel; /* Program# to be initialized */ 678 sbi_instr_data operators; /* Reg. settings for operator cells 679 * (.SBI format) */ 680}; 681 682struct synth_info { /* Read only */ 683 char name[30]; 684 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 685 int synth_type; 686#define SYNTH_TYPE_FM 0 687#define SYNTH_TYPE_SAMPLE 1 688#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 689 690 int synth_subtype; 691#define FM_TYPE_ADLIB 0x00 692#define FM_TYPE_OPL3 0x01 693 694#define SAMPLE_TYPE_BASIC 0x10 695#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 696#define SAMPLE_TYPE_AWE32 0x20 697 698 int perc_mode; /* No longer supported */ 699 int nr_voices; 700 int nr_drums; /* Obsolete field */ 701 int instr_bank_size; 702 u_long capabilities; 703#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 704#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 705#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 706 int dummies[19]; /* Reserve space */ 707}; 708 709struct sound_timer_info { 710 char name[32]; 711 int caps; 712}; 713 714#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 715 716struct midi_info { 717 char name[30]; 718 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 719 u_long capabilities; /* To be defined later */ 720 int dev_type; 721 int dummies[18]; /* Reserve space */ 722}; 723 724/* 725 * ioctl commands for the /dev/midi## 726 */ 727typedef struct { 728 u_char cmd; 729 char nr_args, nr_returns; 730 u_char data[30]; 731} mpu_command_rec; 732 733#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 734#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 735#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 736#define MIOSPASSTHRU _IOWR('m', 3, int) 737#define MIOGPASSTHRU _IOWR('m', 4, int) 738 739/* 740 * IOCTL commands for /dev/dsp and /dev/audio 741 */ 742 743#define SNDCTL_DSP_RESET _IO ('P', 0) 744#define SNDCTL_DSP_SYNC _IO ('P', 1) 745#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 746#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 747#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 748#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 749#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 750 751/* 752 * SOUND_PCM_WRITE_CHANNELS is not that different 753 * from SNDCTL_DSP_STEREO 754 */ 755#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 756#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 757#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 758#define SNDCTL_DSP_POST _IO ('P', 8) 759 760/* 761 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 762 * the same thing, i.e. set the block size used in DMA transfers. 763 */ 764#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 765#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 766 767 768#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 769/* 770 * Buffer status queries. 771 */ 772typedef struct audio_buf_info { 773 int fragments; /* # of avail. frags (partly used ones not counted) */ 774 int fragstotal; /* Total # of fragments allocated */ 775 int fragsize; /* Size of a fragment in bytes */ 776 777 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 778 /* Note! 'bytes' could be more than fragments*fragsize */ 779} audio_buf_info; 780 781#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 782#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 783 784/* 785 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 786 * action cannot be undone) of FIONBIO. The same can be achieved 787 * by opening the device with O_NDELAY 788 */ 789#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 790 791#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 792#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 793#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 794#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 795#define DSP_CAP_BATCH 0x00000400 796 /* 797 * Device has some kind of internal buffers which may 798 * cause some delays and decrease precision of timing 799 */ 800#define DSP_CAP_COPROC 0x00000800 801 /* Has a coprocessor, sometimes it's a DSP but usually not */ 802#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 803#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 804 805/* 806 * What do these function do ? 807 */ 808#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 809#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 810#define PCM_ENABLE_INPUT 0x00000001 811#define PCM_ENABLE_OUTPUT 0x00000002 812 813typedef struct count_info { 814 int bytes; /* Total # of bytes processed */ 815 int blocks; /* # of fragment transitions since last time */ 816 int ptr; /* Current DMA pointer value */ 817} count_info; 818 819/* 820 * GETIPTR and GETISPACE are not that different... same for out. 821 */ 822#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 823#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 824 825typedef struct buffmem_desc { 826 caddr_t buffer; 827 int size; 828} buffmem_desc; 829 830#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 831#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 832#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 833#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 834#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 835 836/* 837 * I guess these are the readonly version of the same 838 * functions that exist above as SNDCTL_DSP_... 839 */ 840#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 841#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 842#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 843#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 844 845/* 846 * ioctl calls to be used in communication with coprocessors and 847 * DSP chips. 848 */ 849 850typedef struct copr_buffer { 851 int command; /* Set to 0 if not used */ 852 int flags; 853#define CPF_NONE 0x0000 854#define CPF_FIRST 0x0001 /* First block */ 855#define CPF_LAST 0x0002 /* Last block */ 856 int len; 857 int offs; /* If required by the device (0 if not used) */ 858 859 u_char data[4000]; /* NOTE! 4000 is not 4k */ 860} copr_buffer; 861 862typedef struct copr_debug_buf { 863 int command; /* Used internally. Set to 0 */ 864 int parm1; 865 int parm2; 866 int flags; 867 int len; /* Length of data in bytes */ 868} copr_debug_buf; 869 870typedef struct copr_msg { 871 int len; 872 u_char data[4000]; 873} copr_msg; 874 875#define SNDCTL_COPR_RESET _IO ('C', 0) 876#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 877#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 878#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 879#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 880#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 881#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 882#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 883#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 884#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 885 886/* 887 * IOCTL commands for /dev/mixer 888 */ 889 890/* 891 * Mixer devices 892 * 893 * There can be up to 20 different analog mixer channels. The 894 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 895 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 896 * the devices supported by the particular mixer. 897 */ 898 899#define SOUND_MIXER_NRDEVICES 25 900#define SOUND_MIXER_VOLUME 0 /* Master output level */ 901#define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 902#define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 903#define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 904#define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 905#define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 906 * signals */ 907#define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 908#define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 909 * the microphone jack */ 910#define SOUND_MIXER_CD 8 /* Volume level for the input signal 911 * connected to the CD audio input */ 912#define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 913 * output volume of the selected 914 * recording sources while recording */ 915#define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 916 * device */ 917#define SOUND_MIXER_RECLEV 11 /* Global recording level */ 918#define SOUND_MIXER_IGAIN 12 /* Input gain */ 919#define SOUND_MIXER_OGAIN 13 /* Output gain */ 920/* 921 * The AD1848 codec and compatibles have three line level inputs 922 * (line, aux1 and aux2). Since each card manufacturer have assigned 923 * different meanings to these inputs, it's inpractical to assign 924 * specific meanings (line, cd, synth etc.) to them. 925 */ 926#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 927#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 928#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 929#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 930#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 931#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 932#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 933#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 934#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 935#define SOUND_MIXER_RADIO 23 /* Radio in */ 936#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 937 938 939/* 940 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 941 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 942 */ 943#define SOUND_ONOFF_MIN 28 944#define SOUND_ONOFF_MAX 30 945#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 946#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 947#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 948 949/* Note! Number 31 cannot be used since the sign bit is reserved */ 950#define SOUND_MIXER_NONE 31 951 952#define SOUND_DEVICE_LABELS { \ 953 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 954 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 955 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 956 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 957 958#define SOUND_DEVICE_NAMES { \ 959 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 960 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 961 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 962 "phin", "phout", "video", "radio", "monitor"} 963 964/* Device bitmask identifiers */ 965 966#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 967#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 968#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 969#define SOUND_MIXER_CAPS 0xfc 970#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 971#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 972 973/* Device mask bits */ 974 975#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 976#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 977#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 978#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 979#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 980#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 981#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 982#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 983#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 984#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 985#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 986#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 987#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 988#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 989#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 990#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 991#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 992#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 993#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 994#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 995#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 996#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 997#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 998#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 999#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1000 1001/* Obsolete macros */ 1002#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1003#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1004#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1005 1006#define MIXER_READ(dev) _IOR('M', dev, int) 1007#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1008#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1009#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1010#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1011#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1012#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1013#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1014#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1015#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1016#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1017#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1018#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1019#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1020#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1021#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1022#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1023#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1024 1025/* Obsolete macros */ 1026#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1027#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1028#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1029 1030#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1031#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1032#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1033#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1034#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1035 1036#define MIXER_WRITE(dev) _IOWR('M', dev, int) 1037#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1038#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1039#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1040#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1041#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1042#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1043#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1044#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1045#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1046#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1047#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1048#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1049#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1050#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1051#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1052#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1053#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1054#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1055#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1056#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1057 1058#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1059 1060#define LEFT_CHN 0 1061#define RIGHT_CHN 1 1062 1063/* 1064 * Level 2 event types for /dev/sequencer 1065 */ 1066 1067/* 1068 * The 4 most significant bits of byte 0 specify the class of 1069 * the event: 1070 * 1071 * 0x8X = system level events, 1072 * 0x9X = device/port specific events, event[1] = device/port, 1073 * The last 4 bits give the subtype: 1074 * 0x02 = Channel event (event[3] = chn). 1075 * 0x01 = note event (event[4] = note). 1076 * (0x01 is not used alone but always with bit 0x02). 1077 * event[2] = MIDI message code (0x80=note off etc.) 1078 * 1079 */ 1080 1081#define EV_SEQ_LOCAL 0x80 1082#define EV_TIMING 0x81 1083#define EV_CHN_COMMON 0x92 1084#define EV_CHN_VOICE 0x93 1085#define EV_SYSEX 0x94 1086/* 1087 * Event types 200 to 220 are reserved for application use. 1088 * These numbers will not be used by the driver. 1089 */ 1090 1091/* 1092 * Events for event type EV_CHN_VOICE 1093 */ 1094 1095#define MIDI_NOTEOFF 0x80 1096#define MIDI_NOTEON 0x90 1097#define MIDI_KEY_PRESSURE 0xA0 1098 1099/* 1100 * Events for event type EV_CHN_COMMON 1101 */ 1102 1103#define MIDI_CTL_CHANGE 0xB0 1104#define MIDI_PGM_CHANGE 0xC0 1105#define MIDI_CHN_PRESSURE 0xD0 1106#define MIDI_PITCH_BEND 0xE0 1107 1108#define MIDI_SYSTEM_PREFIX 0xF0 1109 1110/* 1111 * Timer event types 1112 */ 1113#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1114#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1115#define TMR_STOP 3 1116#define TMR_START 4 1117#define TMR_CONTINUE 5 1118#define TMR_TEMPO 6 1119#define TMR_ECHO 8 1120#define TMR_CLOCK 9 /* MIDI clock */ 1121#define TMR_SPP 10 /* Song position pointer */ 1122#define TMR_TIMESIG 11 /* Time signature */ 1123 1124/* 1125 * Local event types 1126 */ 1127#define LOCL_STARTAUDIO 1 1128 1129#if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1130/* 1131 * Some convenience macros to simplify programming of the 1132 * /dev/sequencer interface 1133 * 1134 * These macros define the API which should be used when possible. 1135 */ 1136 1137#ifndef USE_SIMPLE_MACROS 1138void seqbuf_dump(void); /* This function must be provided by programs */ 1139 1140/* Sample seqbuf_dump() implementation: 1141 * 1142 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1143 * 1144 * int seqfd; -- The file descriptor for /dev/sequencer. 1145 * 1146 * void 1147 * seqbuf_dump () 1148 * { 1149 * if (_seqbufptr) 1150 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1151 * { 1152 * perror ("write /dev/sequencer"); 1153 * exit (-1); 1154 * } 1155 * _seqbufptr = 0; 1156 * } 1157 */ 1158 1159#define SEQ_DEFINEBUF(len) \ 1160 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1161#define SEQ_USE_EXTBUF() \ 1162 extern u_char _seqbuf[]; \ 1163 extern int _seqbuflen;extern int _seqbufptr 1164#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1165#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1166#define _SEQ_NEEDBUF(len) \ 1167 if ((_seqbufptr+(len)) > _seqbuflen) \ 1168 seqbuf_dump() 1169#define _SEQ_ADVBUF(len) _seqbufptr += len 1170#define SEQ_DUMPBUF seqbuf_dump 1171#else 1172/* 1173 * This variation of the sequencer macros is used just to format one event 1174 * using fixed buffer. 1175 * 1176 * The program using the macro library must define the following macros before 1177 * using this library. 1178 * 1179 * #define _seqbuf name of the buffer (u_char[]) 1180 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1181 * size of the event, this macro can be used. 1182 * Otherwise this must be defined as empty. 1183 * #define _seqbufptr Define the name of index variable or 0 if 1184 * not required. 1185 */ 1186#define _SEQ_NEEDBUF(len) /* empty */ 1187#endif 1188 1189#define PM_LOAD_PATCH(dev, bank, pgm) \ 1190 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1191 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1192 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1193 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1194#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1195 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1196 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1197 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1198 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1199 1200#define SEQ_VOLUME_MODE(dev, mode) { \ 1201 _SEQ_NEEDBUF(8);\ 1202 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1203 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1204 _seqbuf[_seqbufptr+2] = (dev);\ 1205 _seqbuf[_seqbufptr+3] = (mode);\ 1206 _seqbuf[_seqbufptr+4] = 0;\ 1207 _seqbuf[_seqbufptr+5] = 0;\ 1208 _seqbuf[_seqbufptr+6] = 0;\ 1209 _seqbuf[_seqbufptr+7] = 0;\ 1210 _SEQ_ADVBUF(8);} 1211 1212/* 1213 * Midi voice messages 1214 */ 1215 1216#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1217 _SEQ_NEEDBUF(8);\ 1218 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1219 _seqbuf[_seqbufptr+1] = (dev);\ 1220 _seqbuf[_seqbufptr+2] = (event);\ 1221 _seqbuf[_seqbufptr+3] = (chn);\ 1222 _seqbuf[_seqbufptr+4] = (note);\ 1223 _seqbuf[_seqbufptr+5] = (parm);\ 1224 _seqbuf[_seqbufptr+6] = (0);\ 1225 _seqbuf[_seqbufptr+7] = 0;\ 1226 _SEQ_ADVBUF(8);} 1227 1228#define SEQ_START_NOTE(dev, chn, note, vol) \ 1229 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1230 1231#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1232 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1233 1234#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1235 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1236 1237/* 1238 * Midi channel messages 1239 */ 1240 1241#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1242 _SEQ_NEEDBUF(8);\ 1243 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1244 _seqbuf[_seqbufptr+1] = (dev);\ 1245 _seqbuf[_seqbufptr+2] = (event);\ 1246 _seqbuf[_seqbufptr+3] = (chn);\ 1247 _seqbuf[_seqbufptr+4] = (p1);\ 1248 _seqbuf[_seqbufptr+5] = (p2);\ 1249 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1250 _SEQ_ADVBUF(8);} 1251/* 1252 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1253 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1254 * so _will_ cause problems with MPU401 intelligent mode). 1255 * 1256 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1257 * sent by calling SEQ_SYSEX() several times (there must be no other events 1258 * between them). First sysex fragment must have 0xf0 in the first byte 1259 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1260 * between these sysex start and end markers cannot be larger than 0x7f. Also 1261 * lengths of each fragments (except the last one) must be 6. 1262 * 1263 * Breaking the above rules may work with some MIDI ports but is likely to 1264 * cause fatal problems with some other devices (such as MPU401). 1265 */ 1266#define SEQ_SYSEX(dev, buf, len) { \ 1267 int i, l=(len); if (l>6)l=6;\ 1268 _SEQ_NEEDBUF(8);\ 1269 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1270 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1271 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1272 _SEQ_ADVBUF(8);} 1273 1274#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1275 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1276 1277#define SEQ_SET_PATCH(dev, chn, patch) \ 1278 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1279 1280#define SEQ_CONTROL(dev, chn, controller, value) \ 1281 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1282 1283#define SEQ_BENDER(dev, chn, value) \ 1284 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1285 1286 1287#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1288 _SEQ_NEEDBUF(8);\ 1289 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1290 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1291 _seqbuf[_seqbufptr+2] = (dev);\ 1292 _seqbuf[_seqbufptr+3] = (voice);\ 1293 _seqbuf[_seqbufptr+4] = (controller);\ 1294 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1295 _seqbuf[_seqbufptr+7] = 0;\ 1296 _SEQ_ADVBUF(8);} 1297 1298/* 1299 * The following 5 macros are incorrectly implemented and obsolete. 1300 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1301 */ 1302 1303#define SEQ_PITCHBEND(dev, voice, value) \ 1304 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1305#define SEQ_BENDER_RANGE(dev, voice, value) \ 1306 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1307#define SEQ_EXPRESSION(dev, voice, value) \ 1308 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1309#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1310 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1311#define SEQ_PANNING(dev, voice, pos) \ 1312 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1313 1314/* 1315 * Timing and syncronization macros 1316 */ 1317 1318#define _TIMER_EVENT(ev, parm) { \ 1319 _SEQ_NEEDBUF(8);\ 1320 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1321 _seqbuf[_seqbufptr+1] = (ev); \ 1322 _seqbuf[_seqbufptr+2] = 0;\ 1323 _seqbuf[_seqbufptr+3] = 0;\ 1324 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1325 _SEQ_ADVBUF(8); \ 1326 } 1327 1328#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1329#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1330#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1331#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1332#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1333#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1334#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1335#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1336#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1337 1338/* 1339 * Local control events 1340 */ 1341 1342#define _LOCAL_EVENT(ev, parm) { \ 1343 _SEQ_NEEDBUF(8);\ 1344 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1345 _seqbuf[_seqbufptr+1] = (ev); \ 1346 _seqbuf[_seqbufptr+2] = 0;\ 1347 _seqbuf[_seqbufptr+3] = 0;\ 1348 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1349 _SEQ_ADVBUF(8); \ 1350 } 1351 1352#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1353/* 1354 * Events for the level 1 interface only 1355 */ 1356 1357#define SEQ_MIDIOUT(device, byte) { \ 1358 _SEQ_NEEDBUF(4);\ 1359 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1360 _seqbuf[_seqbufptr+1] = (byte);\ 1361 _seqbuf[_seqbufptr+2] = (device);\ 1362 _seqbuf[_seqbufptr+3] = 0;\ 1363 _SEQ_ADVBUF(4);} 1364 1365/* 1366 * Patch loading. 1367 */ 1368#define SEQ_WRPATCH(patchx, len) { \ 1369 if (_seqbufptr) seqbuf_dump(); \ 1370 if (write(seqfd, (char*)(patchx), len)==-1) \ 1371 perror("Write patch: /dev/sequencer"); \ 1372 } 1373 1374#define SEQ_WRPATCH2(patchx, len) \ 1375 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1376 1377#endif 1378 1379/* 1380 * Here I have moved all the aliases for ioctl names. 1381 */ 1382 1383#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1384#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1385#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1386 1387#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1388#define SOUND_PCM_POST SNDCTL_DSP_POST 1389#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1390#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1391#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1392#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1393#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1394#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1395#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1396#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1397#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1398#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1399#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1400#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1401#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1402#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1403#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1404#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1405 1406#endif /* !_SYS_SOUNDCARD_H_ */ 1407