soundcard.h revision 148605
1/* 2 * soundcard.h 3 */ 4 5/*- 6 * Copyright by Hannu Savolainen 1993 7 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 22 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 23 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 26 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: head/sys/sys/soundcard.h 148605 2005-07-31 16:08:03Z netchild $ 33 */ 34 35#ifndef _SYS_SOUNDCARD_H_ 36#define _SYS_SOUNDCARD_H_ 37 /* 38 * If you make modifications to this file, please contact me before 39 * distributing the modified version. There is already enough 40 * diversity in the world. 41 * 42 * Regards, 43 * Hannu Savolainen 44 * hannu@voxware.pp.fi 45 * 46 ********************************************************************** 47 * PS. The Hacker's Guide to VoxWare available from 48 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 49 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 50 * some useful information about programming with VoxWare. 51 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 52 * to cd inside them before the files are accessible.) 53 ********************************************************************** 54 */ 55 56/* 57 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 58 * should not depend on it, but rather look at the capabilities 59 * of the driver in the kernel! 60 */ 61#define SOUND_VERSION 301 62#define VOXWARE /* does this have any use ? */ 63 64/* 65 * Supported card ID numbers (Should be somewhere else? We keep 66 * them here just for compativility with the old driver, but these 67 * constants are of little or no use). 68 */ 69 70#define SNDCARD_ADLIB 1 71#define SNDCARD_SB 2 72#define SNDCARD_PAS 3 73#define SNDCARD_GUS 4 74#define SNDCARD_MPU401 5 75#define SNDCARD_SB16 6 76#define SNDCARD_SB16MIDI 7 77#define SNDCARD_UART6850 8 78#define SNDCARD_GUS16 9 79#define SNDCARD_MSS 10 80#define SNDCARD_PSS 11 81#define SNDCARD_SSCAPE 12 82#define SNDCARD_PSS_MPU 13 83#define SNDCARD_PSS_MSS 14 84#define SNDCARD_SSCAPE_MSS 15 85#define SNDCARD_TRXPRO 16 86#define SNDCARD_TRXPRO_SB 17 87#define SNDCARD_TRXPRO_MPU 18 88#define SNDCARD_MAD16 19 89#define SNDCARD_MAD16_MPU 20 90#define SNDCARD_CS4232 21 91#define SNDCARD_CS4232_MPU 22 92#define SNDCARD_MAUI 23 93#define SNDCARD_PSEUDO_MSS 24 94#define SNDCARD_AWE32 25 95#define SNDCARD_NSS 26 96#define SNDCARD_UART16550 27 97#define SNDCARD_OPL 28 98 99#include <sys/types.h> 100#include <machine/endian.h> 101#ifndef _IOWR 102#include <sys/ioccom.h> 103#endif /* !_IOWR */ 104 105/* 106 * The first part of this file contains the new FreeBSD sound ioctl 107 * interface. Tries to minimize the number of different ioctls, and 108 * to be reasonably general. 109 * 110 * 970821: some of the new calls have not been implemented yet. 111 */ 112 113/* 114 * the following three calls extend the generic file descriptor 115 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 116 * number of bytes for a write operation to be non-blocking. 117 * 118 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 119 * from a character device (default) to a block device. In block mode, 120 * (not to be confused with blocking mode) the main difference for the 121 * application is that select() will return only when a complete 122 * block can be read/written to the device, whereas in character mode 123 * select will return true when one byte can be exchanged. For audio 124 * devices, character mode makes select almost useless since one byte 125 * will always be ready by the next sample time (which is often only a 126 * handful of microseconds away). 127 * Use a size of 0 or 1 to return to character mode. 128 */ 129#define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 130struct snd_size { 131 int play_size; 132 int rec_size; 133}; 134#define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 135#define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 136 137/* 138 * The following constants define supported audio formats. The 139 * encoding follows voxware conventions, i.e. 1 bit for each supported 140 * format. We extend it by using bit 31 (RO) to indicate full-duplex 141 * capability, and bit 29 (RO) to indicate that the card supports/ 142 * needs different formats on capture & playback channels. 143 * Bit 29 (RW) is used to indicate/ask stereo. 144 * 145 * The number of bits required to store the sample is: 146 * o 4 bits for the IDA ADPCM format, 147 * o 8 bits for 8-bit formats, mu-law and A-law, 148 * o 16 bits for the 16-bit formats, and 149 * o 32 bits for the 24/32-bit formats. 150 * o undefined for the MPEG audio format. 151 */ 152 153#define AFMT_QUERY 0x00000000 /* Return current format */ 154#define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 155#define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 156#define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 157 * squence represented using the 158 * the average 4 bits per sample */ 159#define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 160#define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 161#define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 162#define AFMT_S8 0x00000040 /* Signed 8-bit */ 163#define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 164#define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 165#define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 166#define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 167 168#if _BYTE_ORDER == _LITTLE_ENDIAN 169#define AFMT_S16_NE AFMT_S16_LE /* native endian signed 16 */ 170#else 171#define AFMT_S16_NE AFMT_S16_BE 172#endif 173 174/* 175 * 32-bit formats below used for 24-bit audio data where the data is stored 176 * in the 24 most significant bits and the least significant bits are not used 177 * (should be set to 0). 178 */ 179#define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 180#define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 181#define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 182#define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 183#define AFMT_S24_LE 0x00010000 /* Little endian signed 24-bit */ 184#define AFMT_S24_BE 0x00020000 /* Big endian signed 24-bit */ 185#define AFMT_U24_LE 0x00040000 /* Little endian unsigned 24-bit */ 186#define AFMT_U24_BE 0x00080000 /* Big endian unsigned 24-bit */ 187 188#define AFMT_STEREO 0x10000000 /* can do/want stereo */ 189 190/* 191 * the following are really capabilities 192 */ 193#define AFMT_WEIRD 0x20000000 /* weird hardware... */ 194 /* 195 * AFMT_WEIRD reports that the hardware might need to operate 196 * with different formats in the playback and capture 197 * channels when operating in full duplex. 198 * As an example, SoundBlaster16 cards only support U8 in one 199 * direction and S16 in the other one, and applications should 200 * be aware of this limitation. 201 */ 202#define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 203 204/* 205 * The following structure is used to get/set format and sampling rate. 206 * While it would be better to have things such as stereo, bits per 207 * sample, endiannes, etc split in different variables, it turns out 208 * that formats are not that many, and not all combinations are possible. 209 * So we followed the Voxware approach of associating one bit to each 210 * format. 211 */ 212 213typedef struct _snd_chan_param { 214 u_long play_rate; /* sampling rate */ 215 u_long rec_rate; /* sampling rate */ 216 u_long play_format; /* everything describing the format */ 217 u_long rec_format; /* everything describing the format */ 218} snd_chan_param; 219#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 220#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 221 222/* 223 * The following structure is used to get/set the mixer setting. 224 * Up to 32 mixers are supported, each one with up to 32 channels. 225 */ 226typedef struct _snd_mix_param { 227 u_char subdev; /* which output */ 228 u_char line; /* which input */ 229 u_char left,right; /* volumes, 0..255, 0 = mute */ 230} snd_mix_param ; 231 232/* XXX AIOGMIX, AIOSMIX not implemented yet */ 233#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 234#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 235 236/* 237 * channel specifiers used in AIOSTOP and AIOSYNC 238 */ 239#define AIOSYNC_PLAY 0x1 /* play chan */ 240#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 241/* AIOSTOP stop & flush a channel, returns the residual count */ 242#define AIOSTOP _IOWR ('A', 15, int) 243 244/* alternate method used to notify the sync condition */ 245#define AIOSYNC_SIGNAL 0x100 246#define AIOSYNC_SELECT 0x200 247 248/* what the 'pos' field refers to */ 249#define AIOSYNC_READY 0x400 250#define AIOSYNC_FREE 0x800 251 252typedef struct _snd_sync_parm { 253 long chan ; /* play or capture channel, plus modifier */ 254 long pos; 255} snd_sync_parm; 256#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 257 258/* 259 * The following is used to return device capabilities. If the structure 260 * passed to the ioctl is zeroed, default values are returned for rate 261 * and formats, a bitmap of available mixers is returned, and values 262 * (inputs, different levels) for the first one are returned. 263 * 264 * If formats, mixers, inputs are instantiated, then detailed info 265 * are returned depending on the call. 266 */ 267typedef struct _snd_capabilities { 268 u_long rate_min, rate_max; /* min-max sampling rate */ 269 u_long formats; 270 u_long bufsize; /* DMA buffer size */ 271 u_long mixers; /* bitmap of available mixers */ 272 u_long inputs; /* bitmap of available inputs (per mixer) */ 273 u_short left, right; /* how many levels are supported */ 274} snd_capabilities; 275#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 276 277/* 278 * here is the old (Voxware) ioctl interface 279 */ 280 281/* 282 * IOCTL Commands for /dev/sequencer 283 */ 284 285#define SNDCTL_SEQ_RESET _IO ('Q', 0) 286#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 287#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 288#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 289#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 290#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 291#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 292#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 293#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 294#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 295#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 296#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 297#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 298#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 299#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 300#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 301#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 302#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 303#define SNDCTL_SEQ_PANIC _IO ('Q',17) 304#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 305#define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 306 307struct seq_event_rec { 308 u_char arr[8]; 309}; 310 311#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 312#define SNDCTL_TMR_START _IO ('T', 2) 313#define SNDCTL_TMR_STOP _IO ('T', 3) 314#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 315#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 316#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 317# define TMR_INTERNAL 0x00000001 318# define TMR_EXTERNAL 0x00000002 319# define TMR_MODE_MIDI 0x00000010 320# define TMR_MODE_FSK 0x00000020 321# define TMR_MODE_CLS 0x00000040 322# define TMR_MODE_SMPTE 0x00000080 323#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 324#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 325 326/* 327 * Endian aware patch key generation algorithm. 328 */ 329 330#if defined(_AIX) || defined(AIX) 331# define _PATCHKEY(id) (0xfd00|id) 332#else 333# define _PATCHKEY(id) ((id<<8)|0xfd) 334#endif 335 336/* 337 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 338 * The following patch_info structure has been designed to support 339 * Gravis UltraSound. It tries to be universal format for uploading 340 * sample based patches but is probably too limited. 341 */ 342 343struct patch_info { 344/* u_short key; Use GUS_PATCH here */ 345 short key; /* Use GUS_PATCH here */ 346#define GUS_PATCH _PATCHKEY(0x04) 347#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 348 349 short device_no; /* Synthesizer number */ 350 short instr_no; /* Midi pgm# */ 351 352 u_long mode; 353/* 354 * The least significant byte has the same format than the GUS .PAT 355 * files 356 */ 357#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 358#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 359#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 360#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 361#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 362#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 363#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 364 /* (use the env_rate/env_offs fields). */ 365/* Linux specific bits */ 366#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 367#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 368#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 369/* Other bits must be zeroed */ 370 371 long len; /* Size of the wave data in bytes */ 372 long loop_start, loop_end; /* Byte offsets from the beginning */ 373 374/* 375 * The base_freq and base_note fields are used when computing the 376 * playback speed for a note. The base_note defines the tone frequency 377 * which is heard if the sample is played using the base_freq as the 378 * playback speed. 379 * 380 * The low_note and high_note fields define the minimum and maximum note 381 * frequencies for which this sample is valid. It is possible to define 382 * more than one samples for an instrument number at the same time. The 383 * low_note and high_note fields are used to select the most suitable one. 384 * 385 * The fields base_note, high_note and low_note should contain 386 * the note frequency multiplied by 1000. For example value for the 387 * middle A is 440*1000. 388 */ 389 390 u_int base_freq; 391 u_long base_note; 392 u_long high_note; 393 u_long low_note; 394 int panning; /* -128=left, 127=right */ 395 int detuning; 396 397/* New fields introduced in version 1.99.5 */ 398 399 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 400 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 401 u_char env_offset[ 6 ]; /* 255 == 100% */ 402 403 /* 404 * The tremolo, vibrato and scale info are not supported yet. 405 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 406 * WAVE_SCALE 407 */ 408 409 u_char tremolo_sweep; 410 u_char tremolo_rate; 411 u_char tremolo_depth; 412 413 u_char vibrato_sweep; 414 u_char vibrato_rate; 415 u_char vibrato_depth; 416 417 int scale_frequency; 418 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 419 420 int volume; 421 int spare[4]; 422 char data[1]; /* The waveform data starts here */ 423}; 424 425struct sysex_info { 426 short key; /* Use GUS_PATCH here */ 427#define SYSEX_PATCH _PATCHKEY(0x05) 428#define MAUI_PATCH _PATCHKEY(0x06) 429 short device_no; /* Synthesizer number */ 430 long len; /* Size of the sysex data in bytes */ 431 u_char data[1]; /* Sysex data starts here */ 432}; 433 434/* 435 * Patch management interface (/dev/sequencer, /dev/patmgr#) 436 * Don't use these calls if you want to maintain compatibility with 437 * the future versions of the driver. 438 */ 439 440#define PS_NO_PATCHES 0 /* No patch support on device */ 441#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 442#define PS_MGR_OK 2 /* Patch manager supported */ 443#define PS_MANAGED 3 /* Patch manager running */ 444 445#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 446 447/* 448 * The patmgr_info is a fixed size structure which is used for two 449 * different purposes. The intended use is for communication between 450 * the application using /dev/sequencer and the patch manager daemon 451 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 452 * 453 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 454 * a patch manager daemon to read and write device parameters. This 455 * ioctl available through /dev/sequencer also. Avoid using it since it's 456 * extremely hardware dependent. In addition access trough /dev/sequencer 457 * may confuse the patch manager daemon. 458 */ 459 460struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 461 u_long key; /* Don't worry. Reserved for communication 462 between the patch manager and the driver. */ 463#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 464#define PM_K_COMMAND 2 /* Request from an application */ 465#define PM_K_RESPONSE 3 /* From patmgr to application */ 466#define PM_ERROR 4 /* Error returned by the patmgr */ 467 int device; 468 int command; 469 470/* 471 * Commands 0x000 to 0xfff reserved for patch manager programs 472 */ 473#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 474#define PMTYPE_FM2 1 /* 2 OP fm */ 475#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 476#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 477#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 478#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 479#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 480#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 481#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 482#define PM_READ_PATCH 7 /* Read patch (wave) data */ 483#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 484 485/* 486 * Commands 0x1000 to 0xffff are for communication between the patch manager 487 * and the client 488 */ 489#define _PM_LOAD_PATCH 0x100 490 491/* 492 * Commands above 0xffff reserved for device specific use 493 */ 494 495 long parm1; 496 long parm2; 497 long parm3; 498 499 union { 500 u_char data8[4000]; 501 u_short data16[2000]; 502 u_long data32[1000]; 503 struct patch_info patch; 504 } data; 505}; 506 507/* 508 * When a patch manager daemon is present, it will be informed by the 509 * driver when something important happens. For example when the 510 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 511 * returned. The command field contains the event type: 512 */ 513#define PM_E_OPENED 1 /* /dev/sequencer opened */ 514#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 515#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 516#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 517 518/* 519 * /dev/sequencer input events. 520 * 521 * The data written to the /dev/sequencer is a stream of events. Events 522 * are records of 4 or 8 bytes. The first byte defines the size. 523 * Any number of events can be written with a write call. There 524 * is a set of macros for sending these events. Use these macros if you 525 * want to maximize portability of your program. 526 * 527 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 528 * (All input events are currently 4 bytes long. Be prepared to support 529 * 8 byte events also. If you receive any event having first byte >= 128, 530 * it's a 8 byte event. 531 * 532 * The events are documented at the end of this file. 533 * 534 * Normal events (4 bytes) 535 * There is also a 8 byte version of most of the 4 byte events. The 536 * 8 byte one is recommended. 537 */ 538#define SEQ_NOTEOFF 0 539#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 540#define SEQ_NOTEON 1 541#define SEQ_FMNOTEON SEQ_NOTEON 542#define SEQ_WAIT TMR_WAIT_ABS 543#define SEQ_PGMCHANGE 3 544#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 545#define SEQ_SYNCTIMER TMR_START 546#define SEQ_MIDIPUTC 5 547#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 548#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 549#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 550#define SEQ_AFTERTOUCH 9 551#define SEQ_CONTROLLER 10 552 553/* 554 * Midi controller numbers 555 * 556 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 557 * are continuous controllers. 558 * In the MIDI 1.0 these controllers are sent using two messages. 559 * Controller numbers 0 to 31 are used to send the MSB and the 560 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 561 * are used in MIDI bytes. 562 */ 563 564#define CTL_BANK_SELECT 0x00 565#define CTL_MODWHEEL 0x01 566#define CTL_BREATH 0x02 567/* undefined 0x03 */ 568#define CTL_FOOT 0x04 569#define CTL_PORTAMENTO_TIME 0x05 570#define CTL_DATA_ENTRY 0x06 571#define CTL_MAIN_VOLUME 0x07 572#define CTL_BALANCE 0x08 573/* undefined 0x09 */ 574#define CTL_PAN 0x0a 575#define CTL_EXPRESSION 0x0b 576/* undefined 0x0c - 0x0f */ 577#define CTL_GENERAL_PURPOSE1 0x10 578#define CTL_GENERAL_PURPOSE2 0x11 579#define CTL_GENERAL_PURPOSE3 0x12 580#define CTL_GENERAL_PURPOSE4 0x13 581/* undefined 0x14 - 0x1f */ 582 583/* undefined 0x20 */ 584 585/* 586 * The controller numbers 0x21 to 0x3f are reserved for the 587 * least significant bytes of the controllers 0x00 to 0x1f. 588 * These controllers are not recognised by the driver. 589 * 590 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 591 * 0=OFF and 127=ON (intermediate values are possible) 592 */ 593#define CTL_DAMPER_PEDAL 0x40 594#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 595#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 596#define CTL_PORTAMENTO 0x41 597#define CTL_SOSTENUTO 0x42 598#define CTL_SOFT_PEDAL 0x43 599/* undefined 0x44 */ 600#define CTL_HOLD2 0x45 601/* undefined 0x46 - 0x4f */ 602 603#define CTL_GENERAL_PURPOSE5 0x50 604#define CTL_GENERAL_PURPOSE6 0x51 605#define CTL_GENERAL_PURPOSE7 0x52 606#define CTL_GENERAL_PURPOSE8 0x53 607/* undefined 0x54 - 0x5a */ 608#define CTL_EXT_EFF_DEPTH 0x5b 609#define CTL_TREMOLO_DEPTH 0x5c 610#define CTL_CHORUS_DEPTH 0x5d 611#define CTL_DETUNE_DEPTH 0x5e 612#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 613#define CTL_PHASER_DEPTH 0x5f 614#define CTL_DATA_INCREMENT 0x60 615#define CTL_DATA_DECREMENT 0x61 616#define CTL_NONREG_PARM_NUM_LSB 0x62 617#define CTL_NONREG_PARM_NUM_MSB 0x63 618#define CTL_REGIST_PARM_NUM_LSB 0x64 619#define CTL_REGIST_PARM_NUM_MSB 0x65 620/* undefined 0x66 - 0x78 */ 621/* reserved 0x79 - 0x7f */ 622 623/* Pseudo controllers (not midi compatible) */ 624#define CTRL_PITCH_BENDER 255 625#define CTRL_PITCH_BENDER_RANGE 254 626#define CTRL_EXPRESSION 253 /* Obsolete */ 627#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 628 629#define SEQ_BALANCE 11 630#define SEQ_VOLMODE 12 631 632/* 633 * Volume mode decides how volumes are used 634 */ 635 636#define VOL_METHOD_ADAGIO 1 637#define VOL_METHOD_LINEAR 2 638 639/* 640 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 641 * input events. 642 */ 643 644/* 645 * Event codes 0xf0 to 0xfc are reserved for future extensions. 646 */ 647 648#define SEQ_FULLSIZE 0xfd /* Long events */ 649/* 650 * SEQ_FULLSIZE events are used for loading patches/samples to the 651 * synthesizer devices. These events are passed directly to the driver 652 * of the associated synthesizer device. There is no limit to the size 653 * of the extended events. These events are not queued but executed 654 * immediately when the write() is called (execution can take several 655 * seconds of time). 656 * 657 * When a SEQ_FULLSIZE message is written to the device, it must 658 * be written using exactly one write() call. Other events cannot 659 * be mixed to the same write. 660 * 661 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 662 * it to the /dev/sequencer. Don't write other data together with 663 * the instrument structure Set the key field of the structure to 664 * FM_PATCH. The device field is used to route the patch to the 665 * corresponding device. 666 * 667 * For Gravis UltraSound use struct patch_info. Initialize the key field 668 * to GUS_PATCH. 669 */ 670#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 671#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 672 673/* 674 * Record for FM patches 675 */ 676 677typedef u_char sbi_instr_data[32]; 678 679struct sbi_instrument { 680 u_short key; /* FM_PATCH or OPL3_PATCH */ 681#define FM_PATCH _PATCHKEY(0x01) 682#define OPL3_PATCH _PATCHKEY(0x03) 683 short device; /* Synth# (0-4) */ 684 int channel; /* Program# to be initialized */ 685 sbi_instr_data operators; /* Reg. settings for operator cells 686 * (.SBI format) */ 687}; 688 689struct synth_info { /* Read only */ 690 char name[30]; 691 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 692 int synth_type; 693#define SYNTH_TYPE_FM 0 694#define SYNTH_TYPE_SAMPLE 1 695#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 696 697 int synth_subtype; 698#define FM_TYPE_ADLIB 0x00 699#define FM_TYPE_OPL3 0x01 700#define MIDI_TYPE_MPU401 0x401 701 702#define SAMPLE_TYPE_BASIC 0x10 703#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 704#define SAMPLE_TYPE_AWE32 0x20 705 706 int perc_mode; /* No longer supported */ 707 int nr_voices; 708 int nr_drums; /* Obsolete field */ 709 int instr_bank_size; 710 u_long capabilities; 711#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 712#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 713#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 714 int dummies[19]; /* Reserve space */ 715}; 716 717struct sound_timer_info { 718 char name[32]; 719 int caps; 720}; 721 722#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 723 724struct midi_info { 725 char name[30]; 726 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 727 u_long capabilities; /* To be defined later */ 728 int dev_type; 729 int dummies[18]; /* Reserve space */ 730}; 731 732/* 733 * ioctl commands for the /dev/midi## 734 */ 735typedef struct { 736 u_char cmd; 737 char nr_args, nr_returns; 738 u_char data[30]; 739} mpu_command_rec; 740 741#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 742#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 743#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 744#define MIOSPASSTHRU _IOWR('m', 3, int) 745#define MIOGPASSTHRU _IOWR('m', 4, int) 746 747/* 748 * IOCTL commands for /dev/dsp and /dev/audio 749 */ 750 751#define SNDCTL_DSP_RESET _IO ('P', 0) 752#define SNDCTL_DSP_SYNC _IO ('P', 1) 753#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 754#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 755#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 756#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 757#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 758 759/* 760 * SOUND_PCM_WRITE_CHANNELS is not that different 761 * from SNDCTL_DSP_STEREO 762 */ 763#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 764#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 765#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 766#define SNDCTL_DSP_POST _IO ('P', 8) 767 768/* 769 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 770 * the same thing, i.e. set the block size used in DMA transfers. 771 */ 772#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 773#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 774 775 776#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 777/* 778 * Buffer status queries. 779 */ 780typedef struct audio_buf_info { 781 int fragments; /* # of avail. frags (partly used ones not counted) */ 782 int fragstotal; /* Total # of fragments allocated */ 783 int fragsize; /* Size of a fragment in bytes */ 784 785 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 786 /* Note! 'bytes' could be more than fragments*fragsize */ 787} audio_buf_info; 788 789#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 790#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 791 792/* 793 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 794 * action cannot be undone) of FIONBIO. The same can be achieved 795 * by opening the device with O_NDELAY 796 */ 797#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 798 799#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 800#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 801#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 802#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 803#define DSP_CAP_BATCH 0x00000400 804 /* 805 * Device has some kind of internal buffers which may 806 * cause some delays and decrease precision of timing 807 */ 808#define DSP_CAP_COPROC 0x00000800 809 /* Has a coprocessor, sometimes it's a DSP but usually not */ 810#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 811#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 812 813/* 814 * What do these function do ? 815 */ 816#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 817#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 818#define PCM_ENABLE_INPUT 0x00000001 819#define PCM_ENABLE_OUTPUT 0x00000002 820 821typedef struct count_info { 822 int bytes; /* Total # of bytes processed */ 823 int blocks; /* # of fragment transitions since last time */ 824 int ptr; /* Current DMA pointer value */ 825} count_info; 826 827/* 828 * GETIPTR and GETISPACE are not that different... same for out. 829 */ 830#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 831#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 832 833typedef struct buffmem_desc { 834 caddr_t buffer; 835 int size; 836} buffmem_desc; 837 838#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 839#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 840#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 841#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 842#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 843 844/* 845 * I guess these are the readonly version of the same 846 * functions that exist above as SNDCTL_DSP_... 847 */ 848#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 849#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 850#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 851#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 852 853/* 854 * ioctl calls to be used in communication with coprocessors and 855 * DSP chips. 856 */ 857 858typedef struct copr_buffer { 859 int command; /* Set to 0 if not used */ 860 int flags; 861#define CPF_NONE 0x0000 862#define CPF_FIRST 0x0001 /* First block */ 863#define CPF_LAST 0x0002 /* Last block */ 864 int len; 865 int offs; /* If required by the device (0 if not used) */ 866 867 u_char data[4000]; /* NOTE! 4000 is not 4k */ 868} copr_buffer; 869 870typedef struct copr_debug_buf { 871 int command; /* Used internally. Set to 0 */ 872 int parm1; 873 int parm2; 874 int flags; 875 int len; /* Length of data in bytes */ 876} copr_debug_buf; 877 878typedef struct copr_msg { 879 int len; 880 u_char data[4000]; 881} copr_msg; 882 883#define SNDCTL_COPR_RESET _IO ('C', 0) 884#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 885#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 886#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 887#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 888#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 889#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 890#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 891#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 892#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 893 894/* 895 * IOCTL commands for /dev/mixer 896 */ 897 898/* 899 * Mixer devices 900 * 901 * There can be up to 20 different analog mixer channels. The 902 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 903 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 904 * the devices supported by the particular mixer. 905 */ 906 907#define SOUND_MIXER_NRDEVICES 25 908#define SOUND_MIXER_VOLUME 0 /* Master output level */ 909#define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 910#define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 911#define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 912#define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 913#define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 914 * signals */ 915#define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 916#define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 917 * the microphone jack */ 918#define SOUND_MIXER_CD 8 /* Volume level for the input signal 919 * connected to the CD audio input */ 920#define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 921 * output volume of the selected 922 * recording sources while recording */ 923#define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 924 * device */ 925#define SOUND_MIXER_RECLEV 11 /* Global recording level */ 926#define SOUND_MIXER_IGAIN 12 /* Input gain */ 927#define SOUND_MIXER_OGAIN 13 /* Output gain */ 928/* 929 * The AD1848 codec and compatibles have three line level inputs 930 * (line, aux1 and aux2). Since each card manufacturer have assigned 931 * different meanings to these inputs, it's inpractical to assign 932 * specific meanings (line, cd, synth etc.) to them. 933 */ 934#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 935#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 936#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 937#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 938#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 939#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 940#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 941#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 942#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 943#define SOUND_MIXER_RADIO 23 /* Radio in */ 944#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 945 946 947/* 948 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 949 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 950 */ 951#define SOUND_ONOFF_MIN 28 952#define SOUND_ONOFF_MAX 30 953#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 954#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 955#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 956 957/* Note! Number 31 cannot be used since the sign bit is reserved */ 958#define SOUND_MIXER_NONE 31 959 960#define SOUND_DEVICE_LABELS { \ 961 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 962 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 963 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 964 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 965 966#define SOUND_DEVICE_NAMES { \ 967 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 968 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 969 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 970 "phin", "phout", "video", "radio", "monitor"} 971 972/* Device bitmask identifiers */ 973 974#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 975#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 976#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 977#define SOUND_MIXER_CAPS 0xfc 978#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 979#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 980 981/* Device mask bits */ 982 983#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 984#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 985#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 986#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 987#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 988#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 989#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 990#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 991#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 992#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 993#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 994#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 995#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 996#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 997#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 998#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 999#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1000#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1001#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1002#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1003#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1004#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1005#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1006#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1007#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1008 1009/* Obsolete macros */ 1010#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1011#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1012#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1013 1014#define MIXER_READ(dev) _IOR('M', dev, int) 1015#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1016#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1017#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1018#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1019#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1020#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1021#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1022#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1023#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1024#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1025#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1026#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1027#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1028#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1029#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1030#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1031#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1032#define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1033#define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1034#define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1035#define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1036#define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1037#define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1038#define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1039#define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1040 1041/* Obsolete macros */ 1042#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1043#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1044#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1045 1046#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1047#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1048#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1049#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1050#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1051 1052#define MIXER_WRITE(dev) _IOWR('M', dev, int) 1053#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1054#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1055#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1056#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1057#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1058#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1059#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1060#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1061#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1062#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1063#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1064#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1065#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1066#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1067#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1068#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1069#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1070#define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1071#define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1072#define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1073#define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1074#define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1075#define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1076#define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1077#define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1078 1079#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1080#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1081#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1082 1083#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1084 1085typedef struct mixer_info { 1086 char id[16]; 1087 char name[32]; 1088 int modify_counter; 1089 int fillers[10]; 1090} mixer_info; 1091 1092#define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 1093 1094#define LEFT_CHN 0 1095#define RIGHT_CHN 1 1096 1097/* 1098 * Level 2 event types for /dev/sequencer 1099 */ 1100 1101/* 1102 * The 4 most significant bits of byte 0 specify the class of 1103 * the event: 1104 * 1105 * 0x8X = system level events, 1106 * 0x9X = device/port specific events, event[1] = device/port, 1107 * The last 4 bits give the subtype: 1108 * 0x02 = Channel event (event[3] = chn). 1109 * 0x01 = note event (event[4] = note). 1110 * (0x01 is not used alone but always with bit 0x02). 1111 * event[2] = MIDI message code (0x80=note off etc.) 1112 * 1113 */ 1114 1115#define EV_SEQ_LOCAL 0x80 1116#define EV_TIMING 0x81 1117#define EV_CHN_COMMON 0x92 1118#define EV_CHN_VOICE 0x93 1119#define EV_SYSEX 0x94 1120/* 1121 * Event types 200 to 220 are reserved for application use. 1122 * These numbers will not be used by the driver. 1123 */ 1124 1125/* 1126 * Events for event type EV_CHN_VOICE 1127 */ 1128 1129#define MIDI_NOTEOFF 0x80 1130#define MIDI_NOTEON 0x90 1131#define MIDI_KEY_PRESSURE 0xA0 1132 1133/* 1134 * Events for event type EV_CHN_COMMON 1135 */ 1136 1137#define MIDI_CTL_CHANGE 0xB0 1138#define MIDI_PGM_CHANGE 0xC0 1139#define MIDI_CHN_PRESSURE 0xD0 1140#define MIDI_PITCH_BEND 0xE0 1141 1142#define MIDI_SYSTEM_PREFIX 0xF0 1143 1144/* 1145 * Timer event types 1146 */ 1147#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1148#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1149#define TMR_STOP 3 1150#define TMR_START 4 1151#define TMR_CONTINUE 5 1152#define TMR_TEMPO 6 1153#define TMR_ECHO 8 1154#define TMR_CLOCK 9 /* MIDI clock */ 1155#define TMR_SPP 10 /* Song position pointer */ 1156#define TMR_TIMESIG 11 /* Time signature */ 1157 1158/* 1159 * Local event types 1160 */ 1161#define LOCL_STARTAUDIO 1 1162 1163#if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1164/* 1165 * Some convenience macros to simplify programming of the 1166 * /dev/sequencer interface 1167 * 1168 * These macros define the API which should be used when possible. 1169 */ 1170 1171#ifndef USE_SIMPLE_MACROS 1172void seqbuf_dump(void); /* This function must be provided by programs */ 1173 1174/* Sample seqbuf_dump() implementation: 1175 * 1176 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1177 * 1178 * int seqfd; -- The file descriptor for /dev/sequencer. 1179 * 1180 * void 1181 * seqbuf_dump () 1182 * { 1183 * if (_seqbufptr) 1184 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1185 * { 1186 * perror ("write /dev/sequencer"); 1187 * exit (-1); 1188 * } 1189 * _seqbufptr = 0; 1190 * } 1191 */ 1192 1193#define SEQ_DEFINEBUF(len) \ 1194 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1195#define SEQ_USE_EXTBUF() \ 1196 extern u_char _seqbuf[]; \ 1197 extern int _seqbuflen;extern int _seqbufptr 1198#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1199#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1200#define _SEQ_NEEDBUF(len) \ 1201 if ((_seqbufptr+(len)) > _seqbuflen) \ 1202 seqbuf_dump() 1203#define _SEQ_ADVBUF(len) _seqbufptr += len 1204#define SEQ_DUMPBUF seqbuf_dump 1205#else 1206/* 1207 * This variation of the sequencer macros is used just to format one event 1208 * using fixed buffer. 1209 * 1210 * The program using the macro library must define the following macros before 1211 * using this library. 1212 * 1213 * #define _seqbuf name of the buffer (u_char[]) 1214 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1215 * size of the event, this macro can be used. 1216 * Otherwise this must be defined as empty. 1217 * #define _seqbufptr Define the name of index variable or 0 if 1218 * not required. 1219 */ 1220#define _SEQ_NEEDBUF(len) /* empty */ 1221#endif 1222 1223#define PM_LOAD_PATCH(dev, bank, pgm) \ 1224 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1225 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1226 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1227 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1228#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1229 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1230 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1231 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1232 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1233 1234#define SEQ_VOLUME_MODE(dev, mode) { \ 1235 _SEQ_NEEDBUF(8);\ 1236 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1237 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1238 _seqbuf[_seqbufptr+2] = (dev);\ 1239 _seqbuf[_seqbufptr+3] = (mode);\ 1240 _seqbuf[_seqbufptr+4] = 0;\ 1241 _seqbuf[_seqbufptr+5] = 0;\ 1242 _seqbuf[_seqbufptr+6] = 0;\ 1243 _seqbuf[_seqbufptr+7] = 0;\ 1244 _SEQ_ADVBUF(8);} 1245 1246/* 1247 * Midi voice messages 1248 */ 1249 1250#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1251 _SEQ_NEEDBUF(8);\ 1252 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1253 _seqbuf[_seqbufptr+1] = (dev);\ 1254 _seqbuf[_seqbufptr+2] = (event);\ 1255 _seqbuf[_seqbufptr+3] = (chn);\ 1256 _seqbuf[_seqbufptr+4] = (note);\ 1257 _seqbuf[_seqbufptr+5] = (parm);\ 1258 _seqbuf[_seqbufptr+6] = (0);\ 1259 _seqbuf[_seqbufptr+7] = 0;\ 1260 _SEQ_ADVBUF(8);} 1261 1262#define SEQ_START_NOTE(dev, chn, note, vol) \ 1263 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1264 1265#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1266 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1267 1268#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1269 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1270 1271/* 1272 * Midi channel messages 1273 */ 1274 1275#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1276 _SEQ_NEEDBUF(8);\ 1277 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1278 _seqbuf[_seqbufptr+1] = (dev);\ 1279 _seqbuf[_seqbufptr+2] = (event);\ 1280 _seqbuf[_seqbufptr+3] = (chn);\ 1281 _seqbuf[_seqbufptr+4] = (p1);\ 1282 _seqbuf[_seqbufptr+5] = (p2);\ 1283 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1284 _SEQ_ADVBUF(8);} 1285/* 1286 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1287 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1288 * so _will_ cause problems with MPU401 intelligent mode). 1289 * 1290 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1291 * sent by calling SEQ_SYSEX() several times (there must be no other events 1292 * between them). First sysex fragment must have 0xf0 in the first byte 1293 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1294 * between these sysex start and end markers cannot be larger than 0x7f. Also 1295 * lengths of each fragments (except the last one) must be 6. 1296 * 1297 * Breaking the above rules may work with some MIDI ports but is likely to 1298 * cause fatal problems with some other devices (such as MPU401). 1299 */ 1300#define SEQ_SYSEX(dev, buf, len) { \ 1301 int i, l=(len); if (l>6)l=6;\ 1302 _SEQ_NEEDBUF(8);\ 1303 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1304 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1305 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1306 _SEQ_ADVBUF(8);} 1307 1308#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1309 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1310 1311#define SEQ_SET_PATCH(dev, chn, patch) \ 1312 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1313 1314#define SEQ_CONTROL(dev, chn, controller, value) \ 1315 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1316 1317#define SEQ_BENDER(dev, chn, value) \ 1318 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1319 1320 1321#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1322 _SEQ_NEEDBUF(8);\ 1323 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1324 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1325 _seqbuf[_seqbufptr+2] = (dev);\ 1326 _seqbuf[_seqbufptr+3] = (voice);\ 1327 _seqbuf[_seqbufptr+4] = (controller);\ 1328 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1329 _seqbuf[_seqbufptr+7] = 0;\ 1330 _SEQ_ADVBUF(8);} 1331 1332/* 1333 * The following 5 macros are incorrectly implemented and obsolete. 1334 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1335 */ 1336 1337#define SEQ_PITCHBEND(dev, voice, value) \ 1338 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1339#define SEQ_BENDER_RANGE(dev, voice, value) \ 1340 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1341#define SEQ_EXPRESSION(dev, voice, value) \ 1342 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1343#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1344 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1345#define SEQ_PANNING(dev, voice, pos) \ 1346 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1347 1348/* 1349 * Timing and syncronization macros 1350 */ 1351 1352#define _TIMER_EVENT(ev, parm) { \ 1353 _SEQ_NEEDBUF(8);\ 1354 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1355 _seqbuf[_seqbufptr+1] = (ev); \ 1356 _seqbuf[_seqbufptr+2] = 0;\ 1357 _seqbuf[_seqbufptr+3] = 0;\ 1358 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1359 _SEQ_ADVBUF(8); \ 1360 } 1361 1362#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1363#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1364#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1365#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1366#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1367#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1368#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1369#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1370#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1371 1372/* 1373 * Local control events 1374 */ 1375 1376#define _LOCAL_EVENT(ev, parm) { \ 1377 _SEQ_NEEDBUF(8);\ 1378 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1379 _seqbuf[_seqbufptr+1] = (ev); \ 1380 _seqbuf[_seqbufptr+2] = 0;\ 1381 _seqbuf[_seqbufptr+3] = 0;\ 1382 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1383 _SEQ_ADVBUF(8); \ 1384 } 1385 1386#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1387/* 1388 * Events for the level 1 interface only 1389 */ 1390 1391#define SEQ_MIDIOUT(device, byte) { \ 1392 _SEQ_NEEDBUF(4);\ 1393 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1394 _seqbuf[_seqbufptr+1] = (byte);\ 1395 _seqbuf[_seqbufptr+2] = (device);\ 1396 _seqbuf[_seqbufptr+3] = 0;\ 1397 _SEQ_ADVBUF(4);} 1398 1399/* 1400 * Patch loading. 1401 */ 1402#define SEQ_WRPATCH(patchx, len) { \ 1403 if (_seqbufptr) seqbuf_dump(); \ 1404 if (write(seqfd, (char*)(patchx), len)==-1) \ 1405 perror("Write patch: /dev/sequencer"); \ 1406 } 1407 1408#define SEQ_WRPATCH2(patchx, len) \ 1409 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1410 1411#endif 1412 1413/* 1414 * Here I have moved all the aliases for ioctl names. 1415 */ 1416 1417#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1418#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1419#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1420 1421#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1422#define SOUND_PCM_POST SNDCTL_DSP_POST 1423#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1424#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1425#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1426#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1427#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1428#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1429#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1430#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1431#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1432#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1433#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1434#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1435#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1436#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1437#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1438#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1439 1440#endif /* !_SYS_SOUNDCARD_H_ */ 1441