soundcard.h revision 139825
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 139825 2005-01-07 02:29:27Z imp $ 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 */ 183 184#define AFMT_STEREO 0x10000000 /* can do/want stereo */ 185 186/* 187 * the following are really capabilities 188 */ 189#define AFMT_WEIRD 0x20000000 /* weird hardware... */ 190 /* 191 * AFMT_WEIRD reports that the hardware might need to operate 192 * with different formats in the playback and capture 193 * channels when operating in full duplex. 194 * As an example, SoundBlaster16 cards only support U8 in one 195 * direction and S16 in the other one, and applications should 196 * be aware of this limitation. 197 */ 198#define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 199 200/* 201 * The following structure is used to get/set format and sampling rate. 202 * While it would be better to have things such as stereo, bits per 203 * sample, endiannes, etc split in different variables, it turns out 204 * that formats are not that many, and not all combinations are possible. 205 * So we followed the Voxware approach of associating one bit to each 206 * format. 207 */ 208 209typedef struct _snd_chan_param { 210 u_long play_rate; /* sampling rate */ 211 u_long rec_rate; /* sampling rate */ 212 u_long play_format; /* everything describing the format */ 213 u_long rec_format; /* everything describing the format */ 214} snd_chan_param; 215#define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 216#define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 217 218/* 219 * The following structure is used to get/set the mixer setting. 220 * Up to 32 mixers are supported, each one with up to 32 channels. 221 */ 222typedef struct _snd_mix_param { 223 u_char subdev; /* which output */ 224 u_char line; /* which input */ 225 u_char left,right; /* volumes, 0..255, 0 = mute */ 226} snd_mix_param ; 227 228/* XXX AIOGMIX, AIOSMIX not implemented yet */ 229#define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 230#define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 231 232/* 233 * channel specifiers used in AIOSTOP and AIOSYNC 234 */ 235#define AIOSYNC_PLAY 0x1 /* play chan */ 236#define AIOSYNC_CAPTURE 0x2 /* capture chan */ 237/* AIOSTOP stop & flush a channel, returns the residual count */ 238#define AIOSTOP _IOWR ('A', 15, int) 239 240/* alternate method used to notify the sync condition */ 241#define AIOSYNC_SIGNAL 0x100 242#define AIOSYNC_SELECT 0x200 243 244/* what the 'pos' field refers to */ 245#define AIOSYNC_READY 0x400 246#define AIOSYNC_FREE 0x800 247 248typedef struct _snd_sync_parm { 249 long chan ; /* play or capture channel, plus modifier */ 250 long pos; 251} snd_sync_parm; 252#define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 253 254/* 255 * The following is used to return device capabilities. If the structure 256 * passed to the ioctl is zeroed, default values are returned for rate 257 * and formats, a bitmap of available mixers is returned, and values 258 * (inputs, different levels) for the first one are returned. 259 * 260 * If formats, mixers, inputs are instantiated, then detailed info 261 * are returned depending on the call. 262 */ 263typedef struct _snd_capabilities { 264 u_long rate_min, rate_max; /* min-max sampling rate */ 265 u_long formats; 266 u_long bufsize; /* DMA buffer size */ 267 u_long mixers; /* bitmap of available mixers */ 268 u_long inputs; /* bitmap of available inputs (per mixer) */ 269 u_short left, right; /* how many levels are supported */ 270} snd_capabilities; 271#define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 272 273/* 274 * here is the old (Voxware) ioctl interface 275 */ 276 277/* 278 * IOCTL Commands for /dev/sequencer 279 */ 280 281#define SNDCTL_SEQ_RESET _IO ('Q', 0) 282#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 283#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 284#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 285#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 286#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 287#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 288#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 289#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 290#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 291#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 292#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 293#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 294#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 295#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 296#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 297#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 298#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 299#define SNDCTL_SEQ_PANIC _IO ('Q',17) 300#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 301#define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 302 303struct seq_event_rec { 304 u_char arr[8]; 305}; 306 307#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 308#define SNDCTL_TMR_START _IO ('T', 2) 309#define SNDCTL_TMR_STOP _IO ('T', 3) 310#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 311#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 312#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 313# define TMR_INTERNAL 0x00000001 314# define TMR_EXTERNAL 0x00000002 315# define TMR_MODE_MIDI 0x00000010 316# define TMR_MODE_FSK 0x00000020 317# define TMR_MODE_CLS 0x00000040 318# define TMR_MODE_SMPTE 0x00000080 319#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 320#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 321 322/* 323 * Endian aware patch key generation algorithm. 324 */ 325 326#if defined(_AIX) || defined(AIX) 327# define _PATCHKEY(id) (0xfd00|id) 328#else 329# define _PATCHKEY(id) ((id<<8)|0xfd) 330#endif 331 332/* 333 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 334 * The following patch_info structure has been designed to support 335 * Gravis UltraSound. It tries to be universal format for uploading 336 * sample based patches but is probably too limited. 337 */ 338 339struct patch_info { 340/* u_short key; Use GUS_PATCH here */ 341 short key; /* Use GUS_PATCH here */ 342#define GUS_PATCH _PATCHKEY(0x04) 343#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 344 345 short device_no; /* Synthesizer number */ 346 short instr_no; /* Midi pgm# */ 347 348 u_long mode; 349/* 350 * The least significant byte has the same format than the GUS .PAT 351 * files 352 */ 353#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 354#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 355#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 356#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 357#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 358#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 359#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 360 /* (use the env_rate/env_offs fields). */ 361/* Linux specific bits */ 362#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 363#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 364#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 365/* Other bits must be zeroed */ 366 367 long len; /* Size of the wave data in bytes */ 368 long loop_start, loop_end; /* Byte offsets from the beginning */ 369 370/* 371 * The base_freq and base_note fields are used when computing the 372 * playback speed for a note. The base_note defines the tone frequency 373 * which is heard if the sample is played using the base_freq as the 374 * playback speed. 375 * 376 * The low_note and high_note fields define the minimum and maximum note 377 * frequencies for which this sample is valid. It is possible to define 378 * more than one samples for an instrument number at the same time. The 379 * low_note and high_note fields are used to select the most suitable one. 380 * 381 * The fields base_note, high_note and low_note should contain 382 * the note frequency multiplied by 1000. For example value for the 383 * middle A is 440*1000. 384 */ 385 386 u_int base_freq; 387 u_long base_note; 388 u_long high_note; 389 u_long low_note; 390 int panning; /* -128=left, 127=right */ 391 int detuning; 392 393/* New fields introduced in version 1.99.5 */ 394 395 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 396 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 397 u_char env_offset[ 6 ]; /* 255 == 100% */ 398 399 /* 400 * The tremolo, vibrato and scale info are not supported yet. 401 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 402 * WAVE_SCALE 403 */ 404 405 u_char tremolo_sweep; 406 u_char tremolo_rate; 407 u_char tremolo_depth; 408 409 u_char vibrato_sweep; 410 u_char vibrato_rate; 411 u_char vibrato_depth; 412 413 int scale_frequency; 414 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 415 416 int volume; 417 int spare[4]; 418 char data[1]; /* The waveform data starts here */ 419}; 420 421struct sysex_info { 422 short key; /* Use GUS_PATCH here */ 423#define SYSEX_PATCH _PATCHKEY(0x05) 424#define MAUI_PATCH _PATCHKEY(0x06) 425 short device_no; /* Synthesizer number */ 426 long len; /* Size of the sysex data in bytes */ 427 u_char data[1]; /* Sysex data starts here */ 428}; 429 430/* 431 * Patch management interface (/dev/sequencer, /dev/patmgr#) 432 * Don't use these calls if you want to maintain compatibility with 433 * the future versions of the driver. 434 */ 435 436#define PS_NO_PATCHES 0 /* No patch support on device */ 437#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 438#define PS_MGR_OK 2 /* Patch manager supported */ 439#define PS_MANAGED 3 /* Patch manager running */ 440 441#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 442 443/* 444 * The patmgr_info is a fixed size structure which is used for two 445 * different purposes. The intended use is for communication between 446 * the application using /dev/sequencer and the patch manager daemon 447 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 448 * 449 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 450 * a patch manager daemon to read and write device parameters. This 451 * ioctl available through /dev/sequencer also. Avoid using it since it's 452 * extremely hardware dependent. In addition access trough /dev/sequencer 453 * may confuse the patch manager daemon. 454 */ 455 456struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 457 u_long key; /* Don't worry. Reserved for communication 458 between the patch manager and the driver. */ 459#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 460#define PM_K_COMMAND 2 /* Request from an application */ 461#define PM_K_RESPONSE 3 /* From patmgr to application */ 462#define PM_ERROR 4 /* Error returned by the patmgr */ 463 int device; 464 int command; 465 466/* 467 * Commands 0x000 to 0xfff reserved for patch manager programs 468 */ 469#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 470#define PMTYPE_FM2 1 /* 2 OP fm */ 471#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 472#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 473#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 474#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 475#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 476#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 477#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 478#define PM_READ_PATCH 7 /* Read patch (wave) data */ 479#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 480 481/* 482 * Commands 0x1000 to 0xffff are for communication between the patch manager 483 * and the client 484 */ 485#define _PM_LOAD_PATCH 0x100 486 487/* 488 * Commands above 0xffff reserved for device specific use 489 */ 490 491 long parm1; 492 long parm2; 493 long parm3; 494 495 union { 496 u_char data8[4000]; 497 u_short data16[2000]; 498 u_long data32[1000]; 499 struct patch_info patch; 500 } data; 501}; 502 503/* 504 * When a patch manager daemon is present, it will be informed by the 505 * driver when something important happens. For example when the 506 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 507 * returned. The command field contains the event type: 508 */ 509#define PM_E_OPENED 1 /* /dev/sequencer opened */ 510#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 511#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 512#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 513 514/* 515 * /dev/sequencer input events. 516 * 517 * The data written to the /dev/sequencer is a stream of events. Events 518 * are records of 4 or 8 bytes. The first byte defines the size. 519 * Any number of events can be written with a write call. There 520 * is a set of macros for sending these events. Use these macros if you 521 * want to maximize portability of your program. 522 * 523 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 524 * (All input events are currently 4 bytes long. Be prepared to support 525 * 8 byte events also. If you receive any event having first byte >= 128, 526 * it's a 8 byte event. 527 * 528 * The events are documented at the end of this file. 529 * 530 * Normal events (4 bytes) 531 * There is also a 8 byte version of most of the 4 byte events. The 532 * 8 byte one is recommended. 533 */ 534#define SEQ_NOTEOFF 0 535#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 536#define SEQ_NOTEON 1 537#define SEQ_FMNOTEON SEQ_NOTEON 538#define SEQ_WAIT TMR_WAIT_ABS 539#define SEQ_PGMCHANGE 3 540#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 541#define SEQ_SYNCTIMER TMR_START 542#define SEQ_MIDIPUTC 5 543#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 544#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 545#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 546#define SEQ_AFTERTOUCH 9 547#define SEQ_CONTROLLER 10 548 549/* 550 * Midi controller numbers 551 * 552 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 553 * are continuous controllers. 554 * In the MIDI 1.0 these controllers are sent using two messages. 555 * Controller numbers 0 to 31 are used to send the MSB and the 556 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 557 * are used in MIDI bytes. 558 */ 559 560#define CTL_BANK_SELECT 0x00 561#define CTL_MODWHEEL 0x01 562#define CTL_BREATH 0x02 563/* undefined 0x03 */ 564#define CTL_FOOT 0x04 565#define CTL_PORTAMENTO_TIME 0x05 566#define CTL_DATA_ENTRY 0x06 567#define CTL_MAIN_VOLUME 0x07 568#define CTL_BALANCE 0x08 569/* undefined 0x09 */ 570#define CTL_PAN 0x0a 571#define CTL_EXPRESSION 0x0b 572/* undefined 0x0c - 0x0f */ 573#define CTL_GENERAL_PURPOSE1 0x10 574#define CTL_GENERAL_PURPOSE2 0x11 575#define CTL_GENERAL_PURPOSE3 0x12 576#define CTL_GENERAL_PURPOSE4 0x13 577/* undefined 0x14 - 0x1f */ 578 579/* undefined 0x20 */ 580 581/* 582 * The controller numbers 0x21 to 0x3f are reserved for the 583 * least significant bytes of the controllers 0x00 to 0x1f. 584 * These controllers are not recognised by the driver. 585 * 586 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 587 * 0=OFF and 127=ON (intermediate values are possible) 588 */ 589#define CTL_DAMPER_PEDAL 0x40 590#define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 591#define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 592#define CTL_PORTAMENTO 0x41 593#define CTL_SOSTENUTO 0x42 594#define CTL_SOFT_PEDAL 0x43 595/* undefined 0x44 */ 596#define CTL_HOLD2 0x45 597/* undefined 0x46 - 0x4f */ 598 599#define CTL_GENERAL_PURPOSE5 0x50 600#define CTL_GENERAL_PURPOSE6 0x51 601#define CTL_GENERAL_PURPOSE7 0x52 602#define CTL_GENERAL_PURPOSE8 0x53 603/* undefined 0x54 - 0x5a */ 604#define CTL_EXT_EFF_DEPTH 0x5b 605#define CTL_TREMOLO_DEPTH 0x5c 606#define CTL_CHORUS_DEPTH 0x5d 607#define CTL_DETUNE_DEPTH 0x5e 608#define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 609#define CTL_PHASER_DEPTH 0x5f 610#define CTL_DATA_INCREMENT 0x60 611#define CTL_DATA_DECREMENT 0x61 612#define CTL_NONREG_PARM_NUM_LSB 0x62 613#define CTL_NONREG_PARM_NUM_MSB 0x63 614#define CTL_REGIST_PARM_NUM_LSB 0x64 615#define CTL_REGIST_PARM_NUM_MSB 0x65 616/* undefined 0x66 - 0x78 */ 617/* reserved 0x79 - 0x7f */ 618 619/* Pseudo controllers (not midi compatible) */ 620#define CTRL_PITCH_BENDER 255 621#define CTRL_PITCH_BENDER_RANGE 254 622#define CTRL_EXPRESSION 253 /* Obsolete */ 623#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 624 625#define SEQ_BALANCE 11 626#define SEQ_VOLMODE 12 627 628/* 629 * Volume mode decides how volumes are used 630 */ 631 632#define VOL_METHOD_ADAGIO 1 633#define VOL_METHOD_LINEAR 2 634 635/* 636 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 637 * input events. 638 */ 639 640/* 641 * Event codes 0xf0 to 0xfc are reserved for future extensions. 642 */ 643 644#define SEQ_FULLSIZE 0xfd /* Long events */ 645/* 646 * SEQ_FULLSIZE events are used for loading patches/samples to the 647 * synthesizer devices. These events are passed directly to the driver 648 * of the associated synthesizer device. There is no limit to the size 649 * of the extended events. These events are not queued but executed 650 * immediately when the write() is called (execution can take several 651 * seconds of time). 652 * 653 * When a SEQ_FULLSIZE message is written to the device, it must 654 * be written using exactly one write() call. Other events cannot 655 * be mixed to the same write. 656 * 657 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 658 * it to the /dev/sequencer. Don't write other data together with 659 * the instrument structure Set the key field of the structure to 660 * FM_PATCH. The device field is used to route the patch to the 661 * corresponding device. 662 * 663 * For Gravis UltraSound use struct patch_info. Initialize the key field 664 * to GUS_PATCH. 665 */ 666#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 667#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 668 669/* 670 * Record for FM patches 671 */ 672 673typedef u_char sbi_instr_data[32]; 674 675struct sbi_instrument { 676 u_short key; /* FM_PATCH or OPL3_PATCH */ 677#define FM_PATCH _PATCHKEY(0x01) 678#define OPL3_PATCH _PATCHKEY(0x03) 679 short device; /* Synth# (0-4) */ 680 int channel; /* Program# to be initialized */ 681 sbi_instr_data operators; /* Reg. settings for operator cells 682 * (.SBI format) */ 683}; 684 685struct synth_info { /* Read only */ 686 char name[30]; 687 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 688 int synth_type; 689#define SYNTH_TYPE_FM 0 690#define SYNTH_TYPE_SAMPLE 1 691#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 692 693 int synth_subtype; 694#define FM_TYPE_ADLIB 0x00 695#define FM_TYPE_OPL3 0x01 696#define MIDI_TYPE_MPU401 0x401 697 698#define SAMPLE_TYPE_BASIC 0x10 699#define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 700#define SAMPLE_TYPE_AWE32 0x20 701 702 int perc_mode; /* No longer supported */ 703 int nr_voices; 704 int nr_drums; /* Obsolete field */ 705 int instr_bank_size; 706 u_long capabilities; 707#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 708#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 709#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 710 int dummies[19]; /* Reserve space */ 711}; 712 713struct sound_timer_info { 714 char name[32]; 715 int caps; 716}; 717 718#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 719 720struct midi_info { 721 char name[30]; 722 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 723 u_long capabilities; /* To be defined later */ 724 int dev_type; 725 int dummies[18]; /* Reserve space */ 726}; 727 728/* 729 * ioctl commands for the /dev/midi## 730 */ 731typedef struct { 732 u_char cmd; 733 char nr_args, nr_returns; 734 u_char data[30]; 735} mpu_command_rec; 736 737#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 738#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 739#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 740#define MIOSPASSTHRU _IOWR('m', 3, int) 741#define MIOGPASSTHRU _IOWR('m', 4, int) 742 743/* 744 * IOCTL commands for /dev/dsp and /dev/audio 745 */ 746 747#define SNDCTL_DSP_RESET _IO ('P', 0) 748#define SNDCTL_DSP_SYNC _IO ('P', 1) 749#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 750#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 751#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 752#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 753#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 754 755/* 756 * SOUND_PCM_WRITE_CHANNELS is not that different 757 * from SNDCTL_DSP_STEREO 758 */ 759#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 760#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 761#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 762#define SNDCTL_DSP_POST _IO ('P', 8) 763 764/* 765 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 766 * the same thing, i.e. set the block size used in DMA transfers. 767 */ 768#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 769#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 770 771 772#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 773/* 774 * Buffer status queries. 775 */ 776typedef struct audio_buf_info { 777 int fragments; /* # of avail. frags (partly used ones not counted) */ 778 int fragstotal; /* Total # of fragments allocated */ 779 int fragsize; /* Size of a fragment in bytes */ 780 781 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 782 /* Note! 'bytes' could be more than fragments*fragsize */ 783} audio_buf_info; 784 785#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 786#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 787 788/* 789 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 790 * action cannot be undone) of FIONBIO. The same can be achieved 791 * by opening the device with O_NDELAY 792 */ 793#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 794 795#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 796#define DSP_CAP_REVISION 0x000000ff /* revision level (0 to 255) */ 797#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 798#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 799#define DSP_CAP_BATCH 0x00000400 800 /* 801 * Device has some kind of internal buffers which may 802 * cause some delays and decrease precision of timing 803 */ 804#define DSP_CAP_COPROC 0x00000800 805 /* Has a coprocessor, sometimes it's a DSP but usually not */ 806#define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 807#define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 808 809/* 810 * What do these function do ? 811 */ 812#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 813#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 814#define PCM_ENABLE_INPUT 0x00000001 815#define PCM_ENABLE_OUTPUT 0x00000002 816 817typedef struct count_info { 818 int bytes; /* Total # of bytes processed */ 819 int blocks; /* # of fragment transitions since last time */ 820 int ptr; /* Current DMA pointer value */ 821} count_info; 822 823/* 824 * GETIPTR and GETISPACE are not that different... same for out. 825 */ 826#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 827#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 828 829typedef struct buffmem_desc { 830 caddr_t buffer; 831 int size; 832} buffmem_desc; 833 834#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 835#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 836#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 837#define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 838#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 839 840/* 841 * I guess these are the readonly version of the same 842 * functions that exist above as SNDCTL_DSP_... 843 */ 844#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 845#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 846#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 847#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 848 849/* 850 * ioctl calls to be used in communication with coprocessors and 851 * DSP chips. 852 */ 853 854typedef struct copr_buffer { 855 int command; /* Set to 0 if not used */ 856 int flags; 857#define CPF_NONE 0x0000 858#define CPF_FIRST 0x0001 /* First block */ 859#define CPF_LAST 0x0002 /* Last block */ 860 int len; 861 int offs; /* If required by the device (0 if not used) */ 862 863 u_char data[4000]; /* NOTE! 4000 is not 4k */ 864} copr_buffer; 865 866typedef struct copr_debug_buf { 867 int command; /* Used internally. Set to 0 */ 868 int parm1; 869 int parm2; 870 int flags; 871 int len; /* Length of data in bytes */ 872} copr_debug_buf; 873 874typedef struct copr_msg { 875 int len; 876 u_char data[4000]; 877} copr_msg; 878 879#define SNDCTL_COPR_RESET _IO ('C', 0) 880#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 881#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 882#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 883#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 884#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 885#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 886#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 887#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 888#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 889 890/* 891 * IOCTL commands for /dev/mixer 892 */ 893 894/* 895 * Mixer devices 896 * 897 * There can be up to 20 different analog mixer channels. The 898 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 899 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 900 * the devices supported by the particular mixer. 901 */ 902 903#define SOUND_MIXER_NRDEVICES 25 904#define SOUND_MIXER_VOLUME 0 /* Master output level */ 905#define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 906#define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 907#define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 908#define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 909#define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 910 * signals */ 911#define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 912#define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 913 * the microphone jack */ 914#define SOUND_MIXER_CD 8 /* Volume level for the input signal 915 * connected to the CD audio input */ 916#define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 917 * output volume of the selected 918 * recording sources while recording */ 919#define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 920 * device */ 921#define SOUND_MIXER_RECLEV 11 /* Global recording level */ 922#define SOUND_MIXER_IGAIN 12 /* Input gain */ 923#define SOUND_MIXER_OGAIN 13 /* Output gain */ 924/* 925 * The AD1848 codec and compatibles have three line level inputs 926 * (line, aux1 and aux2). Since each card manufacturer have assigned 927 * different meanings to these inputs, it's inpractical to assign 928 * specific meanings (line, cd, synth etc.) to them. 929 */ 930#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 931#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 932#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 933#define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 934#define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 935#define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 936#define SOUND_MIXER_PHONEIN 20 /* Phone input */ 937#define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 938#define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 939#define SOUND_MIXER_RADIO 23 /* Radio in */ 940#define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 941 942 943/* 944 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 945 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 946 */ 947#define SOUND_ONOFF_MIN 28 948#define SOUND_ONOFF_MAX 30 949#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 950#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 951#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 952 953/* Note! Number 31 cannot be used since the sign bit is reserved */ 954#define SOUND_MIXER_NONE 31 955 956#define SOUND_DEVICE_LABELS { \ 957 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 958 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 959 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 960 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 961 962#define SOUND_DEVICE_NAMES { \ 963 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 964 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 965 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 966 "phin", "phout", "video", "radio", "monitor"} 967 968/* Device bitmask identifiers */ 969 970#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 971#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 972#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 973#define SOUND_MIXER_CAPS 0xfc 974#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 975#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 976 977/* Device mask bits */ 978 979#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 980#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 981#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 982#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 983#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 984#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 985#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 986#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 987#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 988#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 989#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 990#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 991#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 992#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 993#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 994#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 995#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 996#define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 997#define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 998#define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 999#define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1000#define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1001#define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1002#define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1003#define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1004 1005/* Obsolete macros */ 1006#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1007#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1008#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1009 1010#define MIXER_READ(dev) _IOR('M', dev, int) 1011#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1012#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1013#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1014#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1015#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1016#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1017#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1018#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1019#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1020#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1021#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1022#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1023#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1024#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1025#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1026#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1027#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1028#define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1029#define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1030#define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1031#define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1032#define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1033#define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1034#define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1035#define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1036 1037/* Obsolete macros */ 1038#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1039#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1040#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1041 1042#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1043#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1044#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1045#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1046#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1047 1048#define MIXER_WRITE(dev) _IOWR('M', dev, int) 1049#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1050#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1051#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1052#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1053#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1054#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1055#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1056#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1057#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1058#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1059#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1060#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1061#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1062#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1063#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1064#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1065#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1066#define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1067#define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1068#define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1069#define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1070#define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1071#define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1072#define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1073#define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1074 1075#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1076#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1077#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1078 1079#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1080 1081typedef struct mixer_info { 1082 char id[16]; 1083 char name[32]; 1084 int modify_counter; 1085 int fillers[10]; 1086} mixer_info; 1087 1088#define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 1089 1090#define LEFT_CHN 0 1091#define RIGHT_CHN 1 1092 1093/* 1094 * Level 2 event types for /dev/sequencer 1095 */ 1096 1097/* 1098 * The 4 most significant bits of byte 0 specify the class of 1099 * the event: 1100 * 1101 * 0x8X = system level events, 1102 * 0x9X = device/port specific events, event[1] = device/port, 1103 * The last 4 bits give the subtype: 1104 * 0x02 = Channel event (event[3] = chn). 1105 * 0x01 = note event (event[4] = note). 1106 * (0x01 is not used alone but always with bit 0x02). 1107 * event[2] = MIDI message code (0x80=note off etc.) 1108 * 1109 */ 1110 1111#define EV_SEQ_LOCAL 0x80 1112#define EV_TIMING 0x81 1113#define EV_CHN_COMMON 0x92 1114#define EV_CHN_VOICE 0x93 1115#define EV_SYSEX 0x94 1116/* 1117 * Event types 200 to 220 are reserved for application use. 1118 * These numbers will not be used by the driver. 1119 */ 1120 1121/* 1122 * Events for event type EV_CHN_VOICE 1123 */ 1124 1125#define MIDI_NOTEOFF 0x80 1126#define MIDI_NOTEON 0x90 1127#define MIDI_KEY_PRESSURE 0xA0 1128 1129/* 1130 * Events for event type EV_CHN_COMMON 1131 */ 1132 1133#define MIDI_CTL_CHANGE 0xB0 1134#define MIDI_PGM_CHANGE 0xC0 1135#define MIDI_CHN_PRESSURE 0xD0 1136#define MIDI_PITCH_BEND 0xE0 1137 1138#define MIDI_SYSTEM_PREFIX 0xF0 1139 1140/* 1141 * Timer event types 1142 */ 1143#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1144#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1145#define TMR_STOP 3 1146#define TMR_START 4 1147#define TMR_CONTINUE 5 1148#define TMR_TEMPO 6 1149#define TMR_ECHO 8 1150#define TMR_CLOCK 9 /* MIDI clock */ 1151#define TMR_SPP 10 /* Song position pointer */ 1152#define TMR_TIMESIG 11 /* Time signature */ 1153 1154/* 1155 * Local event types 1156 */ 1157#define LOCL_STARTAUDIO 1 1158 1159#if (!defined(_KERNEL) && !defined(INKERNEL)) || defined(USE_SEQ_MACROS) 1160/* 1161 * Some convenience macros to simplify programming of the 1162 * /dev/sequencer interface 1163 * 1164 * These macros define the API which should be used when possible. 1165 */ 1166 1167#ifndef USE_SIMPLE_MACROS 1168void seqbuf_dump(void); /* This function must be provided by programs */ 1169 1170/* Sample seqbuf_dump() implementation: 1171 * 1172 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1173 * 1174 * int seqfd; -- The file descriptor for /dev/sequencer. 1175 * 1176 * void 1177 * seqbuf_dump () 1178 * { 1179 * if (_seqbufptr) 1180 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1181 * { 1182 * perror ("write /dev/sequencer"); 1183 * exit (-1); 1184 * } 1185 * _seqbufptr = 0; 1186 * } 1187 */ 1188 1189#define SEQ_DEFINEBUF(len) \ 1190 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1191#define SEQ_USE_EXTBUF() \ 1192 extern u_char _seqbuf[]; \ 1193 extern int _seqbuflen;extern int _seqbufptr 1194#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1195#define SEQ_PM_DEFINES struct patmgr_info _pm_info 1196#define _SEQ_NEEDBUF(len) \ 1197 if ((_seqbufptr+(len)) > _seqbuflen) \ 1198 seqbuf_dump() 1199#define _SEQ_ADVBUF(len) _seqbufptr += len 1200#define SEQ_DUMPBUF seqbuf_dump 1201#else 1202/* 1203 * This variation of the sequencer macros is used just to format one event 1204 * using fixed buffer. 1205 * 1206 * The program using the macro library must define the following macros before 1207 * using this library. 1208 * 1209 * #define _seqbuf name of the buffer (u_char[]) 1210 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1211 * size of the event, this macro can be used. 1212 * Otherwise this must be defined as empty. 1213 * #define _seqbufptr Define the name of index variable or 0 if 1214 * not required. 1215 */ 1216#define _SEQ_NEEDBUF(len) /* empty */ 1217#endif 1218 1219#define PM_LOAD_PATCH(dev, bank, pgm) \ 1220 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1221 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1222 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1223 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1224#define PM_LOAD_PATCHES(dev, bank, pgm) \ 1225 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1226 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1227 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1228 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1229 1230#define SEQ_VOLUME_MODE(dev, mode) { \ 1231 _SEQ_NEEDBUF(8);\ 1232 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1233 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1234 _seqbuf[_seqbufptr+2] = (dev);\ 1235 _seqbuf[_seqbufptr+3] = (mode);\ 1236 _seqbuf[_seqbufptr+4] = 0;\ 1237 _seqbuf[_seqbufptr+5] = 0;\ 1238 _seqbuf[_seqbufptr+6] = 0;\ 1239 _seqbuf[_seqbufptr+7] = 0;\ 1240 _SEQ_ADVBUF(8);} 1241 1242/* 1243 * Midi voice messages 1244 */ 1245 1246#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1247 _SEQ_NEEDBUF(8);\ 1248 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1249 _seqbuf[_seqbufptr+1] = (dev);\ 1250 _seqbuf[_seqbufptr+2] = (event);\ 1251 _seqbuf[_seqbufptr+3] = (chn);\ 1252 _seqbuf[_seqbufptr+4] = (note);\ 1253 _seqbuf[_seqbufptr+5] = (parm);\ 1254 _seqbuf[_seqbufptr+6] = (0);\ 1255 _seqbuf[_seqbufptr+7] = 0;\ 1256 _SEQ_ADVBUF(8);} 1257 1258#define SEQ_START_NOTE(dev, chn, note, vol) \ 1259 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1260 1261#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1262 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1263 1264#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1265 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1266 1267/* 1268 * Midi channel messages 1269 */ 1270 1271#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1272 _SEQ_NEEDBUF(8);\ 1273 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1274 _seqbuf[_seqbufptr+1] = (dev);\ 1275 _seqbuf[_seqbufptr+2] = (event);\ 1276 _seqbuf[_seqbufptr+3] = (chn);\ 1277 _seqbuf[_seqbufptr+4] = (p1);\ 1278 _seqbuf[_seqbufptr+5] = (p2);\ 1279 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1280 _SEQ_ADVBUF(8);} 1281/* 1282 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1283 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1284 * so _will_ cause problems with MPU401 intelligent mode). 1285 * 1286 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1287 * sent by calling SEQ_SYSEX() several times (there must be no other events 1288 * between them). First sysex fragment must have 0xf0 in the first byte 1289 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1290 * between these sysex start and end markers cannot be larger than 0x7f. Also 1291 * lengths of each fragments (except the last one) must be 6. 1292 * 1293 * Breaking the above rules may work with some MIDI ports but is likely to 1294 * cause fatal problems with some other devices (such as MPU401). 1295 */ 1296#define SEQ_SYSEX(dev, buf, len) { \ 1297 int i, l=(len); if (l>6)l=6;\ 1298 _SEQ_NEEDBUF(8);\ 1299 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1300 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1301 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1302 _SEQ_ADVBUF(8);} 1303 1304#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1305 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1306 1307#define SEQ_SET_PATCH(dev, chn, patch) \ 1308 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1309 1310#define SEQ_CONTROL(dev, chn, controller, value) \ 1311 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1312 1313#define SEQ_BENDER(dev, chn, value) \ 1314 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1315 1316 1317#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1318 _SEQ_NEEDBUF(8);\ 1319 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1320 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1321 _seqbuf[_seqbufptr+2] = (dev);\ 1322 _seqbuf[_seqbufptr+3] = (voice);\ 1323 _seqbuf[_seqbufptr+4] = (controller);\ 1324 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1325 _seqbuf[_seqbufptr+7] = 0;\ 1326 _SEQ_ADVBUF(8);} 1327 1328/* 1329 * The following 5 macros are incorrectly implemented and obsolete. 1330 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1331 */ 1332 1333#define SEQ_PITCHBEND(dev, voice, value) \ 1334 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1335#define SEQ_BENDER_RANGE(dev, voice, value) \ 1336 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1337#define SEQ_EXPRESSION(dev, voice, value) \ 1338 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1339#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1340 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1341#define SEQ_PANNING(dev, voice, pos) \ 1342 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1343 1344/* 1345 * Timing and syncronization macros 1346 */ 1347 1348#define _TIMER_EVENT(ev, parm) { \ 1349 _SEQ_NEEDBUF(8);\ 1350 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1351 _seqbuf[_seqbufptr+1] = (ev); \ 1352 _seqbuf[_seqbufptr+2] = 0;\ 1353 _seqbuf[_seqbufptr+3] = 0;\ 1354 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1355 _SEQ_ADVBUF(8); \ 1356 } 1357 1358#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1359#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1360#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1361#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1362#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1363#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1364#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1365#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1366#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1367 1368/* 1369 * Local control events 1370 */ 1371 1372#define _LOCAL_EVENT(ev, parm) { \ 1373 _SEQ_NEEDBUF(8);\ 1374 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1375 _seqbuf[_seqbufptr+1] = (ev); \ 1376 _seqbuf[_seqbufptr+2] = 0;\ 1377 _seqbuf[_seqbufptr+3] = 0;\ 1378 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1379 _SEQ_ADVBUF(8); \ 1380 } 1381 1382#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1383/* 1384 * Events for the level 1 interface only 1385 */ 1386 1387#define SEQ_MIDIOUT(device, byte) { \ 1388 _SEQ_NEEDBUF(4);\ 1389 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1390 _seqbuf[_seqbufptr+1] = (byte);\ 1391 _seqbuf[_seqbufptr+2] = (device);\ 1392 _seqbuf[_seqbufptr+3] = 0;\ 1393 _SEQ_ADVBUF(4);} 1394 1395/* 1396 * Patch loading. 1397 */ 1398#define SEQ_WRPATCH(patchx, len) { \ 1399 if (_seqbufptr) seqbuf_dump(); \ 1400 if (write(seqfd, (char*)(patchx), len)==-1) \ 1401 perror("Write patch: /dev/sequencer"); \ 1402 } 1403 1404#define SEQ_WRPATCH2(patchx, len) \ 1405 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1406 1407#endif 1408 1409/* 1410 * Here I have moved all the aliases for ioctl names. 1411 */ 1412 1413#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1414#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1415#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1416 1417#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1418#define SOUND_PCM_POST SNDCTL_DSP_POST 1419#define SOUND_PCM_RESET SNDCTL_DSP_RESET 1420#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1421#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1422#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1423#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1424#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1425#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1426#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1427#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1428#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1429#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1430#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1431#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1432#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1433#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1434#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1435 1436#endif /* !_SYS_SOUNDCARD_H_ */ 1437