soundcard.h revision 33048
1#ifndef SOUNDCARD_H 2#define SOUNDCARD_H 3/* 4 * Copyright by Hannu Savolainen 1993 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * 28 */ 29 30 /* 31 * If you make modifications to this file, please contact me before 32 * distributing the modified version. There is already enough 33 * diversity in the world. 34 * 35 * Regards, 36 * Hannu Savolainen 37 * hannu@voxware.pp.fi 38 * 39 ********************************************************************** 40 * PS. The Hacker's Guide to VoxWare available from 41 * nic.funet.fi:pub/OS/Linux/ALPHA/sound. The file is 42 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 43 * some useful information about programming with VoxWare. 44 * (NOTE! The pub/OS/Linux/ALPHA/ directories are hidden. You have 45 * to cd inside them before the files are accessible.) 46 ********************************************************************** 47 */ 48 49#define SOUND_VERSION 301 50 51/* 52 * Supported card ID numbers (Should be somewhere else?) 53 */ 54 55#define SNDCARD_ADLIB 1 56#define SNDCARD_SB 2 57#define SNDCARD_PAS 3 58#define SNDCARD_GUS 4 59#define SNDCARD_MPU401 5 60#define SNDCARD_SB16 6 61#define SNDCARD_SB16MIDI 7 62#define SNDCARD_UART6850 8 63#define SNDCARD_GUS16 9 64#define SNDCARD_MSS 10 65#define SNDCARD_PSS 11 66#define SNDCARD_SSCAPE 12 67#define SNDCARD_PSS_MPU 13 68#define SNDCARD_PSS_MSS 14 69#define SNDCARD_SSCAPE_MSS 15 70#define SNDCARD_TRXPRO 16 71#define SNDCARD_TRXPRO_SB 17 72#define SNDCARD_TRXPRO_MPU 18 73#define SNDCARD_MAD16 19 74#define SNDCARD_MAD16_MPU 20 75#define SNDCARD_CS4232 21 76#define SNDCARD_CS4232_MPU 22 77#define SNDCARD_MAUI 23 78#define SNDCARD_PSEUDO_MSS 24 79#define SNDCARD_AWE32 25 80 81/* 82 * IOCTL Commands for /dev/sequencer 83 */ 84 85#ifndef _IOWR 86#include <sys/ioccom.h> 87#endif /* !_IOWR */ 88#include <sys/types.h> 89 90#define SNDCTL_SEQ_RESET _IO ('Q', 0) 91#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 92#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 93#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (hz) */ 94#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 95#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 96#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 97#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 98#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 99#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 100#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 101#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 102#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 103#define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 104#define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 105#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 106#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 107#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 108#define SNDCTL_SEQ_PANIC _IO ('Q',17) 109#define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 110 111struct seq_event_rec { 112 u_char arr[8]; 113}; 114 115#define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 116#define SNDCTL_TMR_START _IO ('T', 2) 117#define SNDCTL_TMR_STOP _IO ('T', 3) 118#define SNDCTL_TMR_CONTINUE _IO ('T', 4) 119#define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 120#define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 121# define TMR_INTERNAL 0x00000001 122# define TMR_EXTERNAL 0x00000002 123# define TMR_MODE_MIDI 0x00000010 124# define TMR_MODE_FSK 0x00000020 125# define TMR_MODE_CLS 0x00000040 126# define TMR_MODE_SMPTE 0x00000080 127#define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 128#define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 129 130/* 131 * Endian aware patch key generation algorithm. 132 */ 133 134#if defined(_AIX) || defined(AIX) 135# define _PATCHKEY(id) (0xfd00|id) 136#else 137# define _PATCHKEY(id) ((id<<8)|0xfd) 138#endif 139 140/* 141 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 142 * The following patch_info structure has been designed to support 143 * Gravis UltraSound. It tries to be universal format for uploading 144 * sample based patches but is propably too limited. 145 */ 146 147struct patch_info { 148/* u_short key; Use GUS_PATCH here */ 149 short key; /* Use GUS_PATCH here */ 150#define GUS_PATCH _PATCHKEY(0x04) 151#define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 152 153 short device_no; /* Synthesizer number */ 154 short instr_no; /* Midi pgm# */ 155 156 u_long mode; 157/* 158 * The least significant byte has the same format than the GUS .PAT 159 * files 160 */ 161#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 162#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 163#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 164#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 165#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 166#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 167#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 168 /* (use the env_rate/env_offs fields). */ 169/* Linux specific bits */ 170#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 171#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 172#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 173/* Other bits must be zeroed */ 174 175 long len; /* Size of the wave data in bytes */ 176 long loop_start, loop_end; /* Byte offsets from the beginning */ 177 178/* 179 * The base_freq and base_note fields are used when computing the 180 * playback speed for a note. The base_note defines the tone frequency 181 * which is heard if the sample is played using the base_freq as the 182 * playback speed. 183 * 184 * The low_note and high_note fields define the minimum and maximum note 185 * frequencies for which this sample is valid. It is possible to define 186 * more than one samples for a instrument number at the same time. The 187 * low_note and high_note fields are used to select the most suitable one. 188 * 189 * The fields base_note, high_note and low_note should contain 190 * the note frequency multiplied by 1000. For example value for the 191 * middle A is 440*1000. 192 */ 193 194 u_int base_freq; 195 u_long base_note; 196 u_long high_note; 197 u_long low_note; 198 int panning; /* -128=left, 127=right */ 199 int detuning; 200 201/* New fields introduced in version 1.99.5 */ 202 203 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 204 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 205 u_char env_offset[ 6 ]; /* 255 == 100% */ 206 207 /* 208 * The tremolo, vibrato and scale info are not supported yet. 209 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 210 * WAVE_SCALE 211 */ 212 213 u_char tremolo_sweep; 214 u_char tremolo_rate; 215 u_char tremolo_depth; 216 217 u_char vibrato_sweep; 218 u_char vibrato_rate; 219 u_char vibrato_depth; 220 221 int scale_frequency; 222 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 223 224 int volume; 225 int spare[4]; 226 char data[1]; /* The waveform data starts here */ 227}; 228 229struct sysex_info { 230 short key; /* Use GUS_PATCH here */ 231#define SYSEX_PATCH _PATCHKEY(0x05) 232#define MAUI_PATCH _PATCHKEY(0x06) 233 short device_no; /* Synthesizer number */ 234 long len; /* Size of the sysex data in bytes */ 235 u_char data[1]; /* Sysex data starts here */ 236}; 237 238/* 239 * Patch management interface (/dev/sequencer, /dev/patmgr#) 240 * Don't use these calls if you want to maintain compatibility with 241 * the future versions of the driver. 242 */ 243 244#define PS_NO_PATCHES 0 /* No patch support on device */ 245#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 246#define PS_MGR_OK 2 /* Patch manager supported */ 247#define PS_MANAGED 3 /* Patch manager running */ 248 249#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 250 251/* 252 * The patmgr_info is a fixed size structure which is used for two 253 * different purposes. The intended use is for communication between 254 * the application using /dev/sequencer and the patch manager daemon 255 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 256 * 257 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 258 * a patch manager daemon to read and write device parameters. This 259 * ioctl available through /dev/sequencer also. Avoid using it since it's 260 * extremely hardware dependent. In addition access trough /dev/sequencer 261 * may confuse the patch manager daemon. 262 */ 263 264struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 265 u_long key; /* Don't worry. Reserved for communication 266 between the patch manager and the driver. */ 267#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 268#define PM_K_COMMAND 2 /* Request from a application */ 269#define PM_K_RESPONSE 3 /* From patmgr to application */ 270#define PM_ERROR 4 /* Error returned by the patmgr */ 271 int device; 272 int command; 273 274/* 275 * Commands 0x000 to 0xfff reserved for patch manager programs 276 */ 277#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 278#define PMTYPE_FM2 1 /* 2 OP fm */ 279#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 280#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 281#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 282#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 283#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 284#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 285#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 286#define PM_READ_PATCH 7 /* Read patch (wave) data */ 287#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 288 289/* 290 * Commands 0x1000 to 0xffff are for communication between the patch manager 291 * and the client 292 */ 293#define _PM_LOAD_PATCH 0x100 294 295/* 296 * Commands above 0xffff reserved for device specific use 297 */ 298 299 long parm1; 300 long parm2; 301 long parm3; 302 303 union { 304 u_char data8[4000]; 305 u_short data16[2000]; 306 u_long data32[1000]; 307 struct patch_info patch; 308 } data; 309}; 310 311/* 312 * When a patch manager daemon is present, it will be informed by the 313 * driver when something important happens. For example when the 314 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 315 * returned. The command field contains the event type: 316 */ 317#define PM_E_OPENED 1 /* /dev/sequencer opened */ 318#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 319#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 320#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 321 322/* 323 * /dev/sequencer input events. 324 * 325 * The data written to the /dev/sequencer is a stream of events. Events 326 * are records of 4 or 8 bytes. The first byte defines the size. 327 * Any number of events can be written with a write call. There 328 * is a set of macros for sending these events. Use these macros if you 329 * want to maximize portability of your program. 330 * 331 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 332 * (All input events are currently 4 bytes long. Be prepared to support 333 * 8 byte events also. If you receive any event having first byte >= 128, 334 * it's a 8 byte event. 335 * 336 * The events are documented at the end of this file. 337 * 338 * Normal events (4 bytes) 339 * There is also a 8 byte version of most of the 4 byte events. The 340 * 8 byte one is recommended. 341 */ 342#define SEQ_NOTEOFF 0 343#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 344#define SEQ_NOTEON 1 345#define SEQ_FMNOTEON SEQ_NOTEON 346#define SEQ_WAIT TMR_WAIT_ABS 347#define SEQ_PGMCHANGE 3 348#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 349#define SEQ_SYNCTIMER TMR_START 350#define SEQ_MIDIPUTC 5 351#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 352#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 353#define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 354#define SEQ_AFTERTOUCH 9 355#define SEQ_CONTROLLER 10 356 357/******************************************* 358 * Midi controller numbers 359 ******************************************* 360 * Controllers 0 to 31 (0x00 to 0x1f) and 361 * 32 to 63 (0x20 to 0x3f) are continuous 362 * controllers. 363 * In the MIDI 1.0 these controllers are sent using 364 * two messages. Controller numbers 0 to 31 are used 365 * to send the MSB and the controller numbers 32 to 63 366 * are for the LSB. Note that just 7 bits are used in MIDI bytes. 367 */ 368 369#define CTL_BANK_SELECT 0x00 370#define CTL_MODWHEEL 0x01 371#define CTL_BREATH 0x02 372/* undefined 0x03 */ 373#define CTL_FOOT 0x04 374#define CTL_PORTAMENTO_TIME 0x05 375#define CTL_DATA_ENTRY 0x06 376#define CTL_MAIN_VOLUME 0x07 377#define CTL_BALANCE 0x08 378/* undefined 0x09 */ 379#define CTL_PAN 0x0a 380#define CTL_EXPRESSION 0x0b 381/* undefined 0x0c */ 382/* undefined 0x0d */ 383/* undefined 0x0e */ 384/* undefined 0x0f */ 385#define CTL_GENERAL_PURPOSE1 0x10 386#define CTL_GENERAL_PURPOSE2 0x11 387#define CTL_GENERAL_PURPOSE3 0x12 388#define CTL_GENERAL_PURPOSE4 0x13 389/* undefined 0x14 - 0x1f */ 390 391/* undefined 0x20 */ 392/* The controller numbers 0x21 to 0x3f are reserved for the */ 393/* least significant bytes of the controllers 0x00 to 0x1f. */ 394/* These controllers are not recognised by the driver. */ 395 396/* Controllers 64 to 69 (0x40 to 0x45) are on/off switches. */ 397/* 0=OFF and 127=ON (intermediate values are possible) */ 398#define CTL_DAMPER_PEDAL 0x40 399#define CTL_SUSTAIN 0x40 /* Alias */ 400#define CTL_HOLD 0x40 /* Alias */ 401#define CTL_PORTAMENTO 0x41 402#define CTL_SOSTENUTO 0x42 403#define CTL_SOFT_PEDAL 0x43 404/* undefined 0x44 */ 405#define CTL_HOLD2 0x45 406/* undefined 0x46 - 0x4f */ 407 408#define CTL_GENERAL_PURPOSE5 0x50 409#define CTL_GENERAL_PURPOSE6 0x51 410#define CTL_GENERAL_PURPOSE7 0x52 411#define CTL_GENERAL_PURPOSE8 0x53 412/* undefined 0x54 - 0x5a */ 413#define CTL_EXT_EFF_DEPTH 0x5b 414#define CTL_TREMOLO_DEPTH 0x5c 415#define CTL_CHORUS_DEPTH 0x5d 416#define CTL_DETUNE_DEPTH 0x5e 417#define CTL_CELESTE_DEPTH 0x5e /* Alias for the above one */ 418#define CTL_PHASER_DEPTH 0x5f 419#define CTL_DATA_INCREMENT 0x60 420#define CTL_DATA_DECREMENT 0x61 421#define CTL_NONREG_PARM_NUM_LSB 0x62 422#define CTL_NONREG_PARM_NUM_MSB 0x63 423#define CTL_REGIST_PARM_NUM_LSB 0x64 424#define CTL_REGIST_PARM_NUM_MSB 0x65 425/* undefined 0x66 - 0x78 */ 426/* reserved 0x79 - 0x7f */ 427 428/* Pseudo controllers (not midi compatible) */ 429#define CTRL_PITCH_BENDER 255 430#define CTRL_PITCH_BENDER_RANGE 254 431#define CTRL_EXPRESSION 253 /* Obsolete */ 432#define CTRL_MAIN_VOLUME 252 /* Obsolete */ 433#define SEQ_BALANCE 11 434#define SEQ_VOLMODE 12 435 436/* 437 * Volume mode decides how volumes are used 438 */ 439 440#define VOL_METHOD_ADAGIO 1 441#define VOL_METHOD_LINEAR 2 442 443/* 444 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 445 * input events. 446 */ 447 448/* 449 * Event codes 0xf0 to 0xfc are reserved for future extensions. 450 */ 451 452#define SEQ_FULLSIZE 0xfd /* Long events */ 453/* 454 * SEQ_FULLSIZE events are used for loading patches/samples to the 455 * synthesizer devices. These events are passed directly to the driver 456 * of the associated synthesizer device. There is no limit to the size 457 * of the extended events. These events are not queued but executed 458 * immediately when the write() is called (execution can take several 459 * seconds of time). 460 * 461 * When a SEQ_FULLSIZE message is written to the device, it must 462 * be written using exactly one write() call. Other events cannot 463 * be mixed to the same write. 464 * 465 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 466 * /dev/sequencer. Don't write other data together with the instrument structure 467 * Set the key field of the structure to FM_PATCH. The device field is used to 468 * route the patch to the corresponding device. 469 * 470 * For Gravis UltraSound use struct patch_info. Initialize the key field 471 * to GUS_PATCH. 472 */ 473#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 474#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 475 476/* 477 * Record for FM patches 478 */ 479 480typedef u_char sbi_instr_data[32]; 481 482struct sbi_instrument { 483 u_short key; /* FM_PATCH or OPL3_PATCH */ 484#define FM_PATCH _PATCHKEY(0x01) 485#define OPL3_PATCH _PATCHKEY(0x03) 486 short device; /* Synth# (0-4) */ 487 int channel; /* Program# to be initialized */ 488 sbi_instr_data operators; /* Reg. settings for operator cells 489 * (.SBI format) */ 490}; 491 492struct synth_info { /* Read only */ 493 char name[30]; 494 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 495 int synth_type; 496#define SYNTH_TYPE_FM 0 497#define SYNTH_TYPE_SAMPLE 1 498#define SYNTH_TYPE_MIDI 2 /* Midi interface */ 499 500 int synth_subtype; 501#define FM_TYPE_ADLIB 0x00 502#define FM_TYPE_OPL3 0x01 503 504#define SAMPLE_TYPE_GUS 0x10 505#define SAMPLE_TYPE_AWE32 0x20 506 507 int perc_mode; /* No longer supported */ 508 int nr_voices; 509 int nr_drums; /* Obsolete field */ 510 int instr_bank_size; 511 u_long capabilities; 512#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 513#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 514#define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 515 int dummies[19]; /* Reserve space */ 516}; 517 518struct sound_timer_info { 519 char name[32]; 520 int caps; 521}; 522 523#define MIDI_CAP_MPU401 1 /* MPU-401 intelligent mode */ 524 525struct midi_info { 526 char name[30]; 527 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 528 u_long capabilities; /* To be defined later */ 529 int dev_type; 530 int dummies[18]; /* Reserve space */ 531}; 532 533/******************************************** 534 * ioctl commands for the /dev/midi## 535 */ 536typedef struct { 537 u_char cmd; 538 char nr_args, nr_returns; 539 u_char data[30]; 540} mpu_command_rec; 541 542#define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 543#define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 544#define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 545 546/******************************************** 547 * IOCTL commands for /dev/dsp and /dev/audio 548 */ 549 550#define SNDCTL_DSP_RESET _IO ('P', 0) 551#define SNDCTL_DSP_SYNC _IO ('P', 1) 552#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 553#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 554#define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 555#define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 556#define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 557#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 558#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 559#define SNDCTL_DSP_POST _IO ('P', 8) 560#define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 561#define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 562 563 564/* Audio data formats (Note! U8=8 and S16_LE=16 for compatibility) */ 565#define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 566#define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 567# define AFMT_QUERY 0x00000000 /* Return current fmt */ 568# define AFMT_MU_LAW 0x00000001 569# define AFMT_A_LAW 0x00000002 570# define AFMT_IMA_ADPCM 0x00000004 571# define AFMT_U8 0x00000008 572# define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/ 573# define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */ 574# define AFMT_S8 0x00000040 575# define AFMT_U16_LE 0x00000080 /* Little endian U16 */ 576# define AFMT_U16_BE 0x00000100 /* Big endian U16 */ 577# define AFMT_MPEG 0x00000200 /* MPEG (2) audio */ 578 579/* 580 * Buffer status queries. 581 */ 582typedef struct audio_buf_info { 583 int fragments; /* # of available fragments (partially used 584 * ones not counted) */ 585 int fragstotal; /* Total # of fragments allocated */ 586 int fragsize; /* Size of a fragment in bytes */ 587 588 int bytes; /* Available space in bytes (includes 589 * partially used fragments) */ 590 /* Note! 'bytes' could be more than fragments*fragsize */ 591} audio_buf_info; 592 593#define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 594#define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 595#define SNDCTL_DSP_NONBLOCK _IO ('P',14) 596#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 597#define DSP_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 598#define DSP_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 599#define DSP_CAP_REALTIME 0x00000200 /* Real time capability */ 600#define DSP_CAP_BATCH 0x00000400 /* Device has some kind of */ 601 602/* internal buffers which may */ 603/* cause some delays and */ 604/* decrease precision of timing */ 605# define DSP_CAP_COPROC 0x00000800 /* Has a coprocessor */ 606/* Sometimes it's a DSP */ 607/* but usually not */ 608# define DSP_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 609# define DSP_CAP_MMAP 0x00002000 /* Supports mmap() */ 610 611 612 613#define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 614#define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 615#define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 616#define PCM_ENABLE_INPUT 0x00000001 617#define PCM_ENABLE_OUTPUT 0x00000002 618 619typedef struct count_info { 620 int bytes; /* Total # of bytes processed */ 621 int blocks; /* # of fragment transitions since last time */ 622 int ptr; /* Current DMA pointer value */ 623} count_info; 624 625#define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 626#define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 627 628typedef struct buffmem_desc { 629 caddr_t buffer; 630 int size; 631} buffmem_desc; 632 633#define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 634#define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 635#define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 636 637#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 638#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 639#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 640#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 641 642/* Some alias names */ 643#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 644#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 645#define SOUND_PCM_POST SNDCTL_DSP_POST 646#define SOUND_PCM_RESET SNDCTL_DSP_RESET 647#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 648#define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 649#define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 650#define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 651#define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 652#define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 653#define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 654#define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 655#define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 656#define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 657#define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 658#define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 659#define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 660#define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 661#define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 662#define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 663 664/* 665 * ioctl calls to be used in communication with coprocessors and 666 * DSP chips. 667 */ 668 669typedef struct copr_buffer { 670 int command; /* Set to 0 if not used */ 671 int flags; 672#define CPF_NONE 0x0000 673#define CPF_FIRST 0x0001 /* First block */ 674#define CPF_LAST 0x0002 /* Last block */ 675 int len; 676 int offs; /* If required by the device (0 if not used) */ 677 678 u_char data[4000]; /* NOTE! 4000 is not 4k */ 679} copr_buffer; 680 681typedef struct copr_debug_buf { 682 int command; /* Used internally. Set to 0 */ 683 int parm1; 684 int parm2; 685 int flags; 686 int len; /* Length of data in bytes */ 687} copr_debug_buf; 688 689typedef struct copr_msg { 690 int len; 691 u_char data[4000]; 692} copr_msg; 693 694#define SNDCTL_COPR_RESET _IO ('C', 0) 695#define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 696#define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 697#define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 698#define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 699#define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 700#define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 701#define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 702#define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 703#define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 704 705/********************************************* 706 * IOCTL commands for /dev/mixer 707 */ 708 709/* 710 * Mixer devices 711 * 712 * There can be up to 20 different analog mixer channels. The 713 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 714 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 715 * the devices supported by the particular mixer. 716 */ 717 718#define SOUND_MIXER_NRDEVICES 17 719#define SOUND_MIXER_VOLUME 0 720#define SOUND_MIXER_BASS 1 721#define SOUND_MIXER_TREBLE 2 722#define SOUND_MIXER_SYNTH 3 723#define SOUND_MIXER_PCM 4 724#define SOUND_MIXER_SPEAKER 5 725#define SOUND_MIXER_LINE 6 726#define SOUND_MIXER_MIC 7 727#define SOUND_MIXER_CD 8 728#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 729#define SOUND_MIXER_ALTPCM 10 730#define SOUND_MIXER_RECLEV 11 /* Recording level */ 731#define SOUND_MIXER_IGAIN 12 /* Input gain */ 732#define SOUND_MIXER_OGAIN 13 /* Output gain */ 733/* 734 * The AD1848 codec and compatibles have three line level inputs 735 * (line, aux1 and aux2). Since each card manufacturer have assigned 736 * different meanings to these inputs, it's inpractical to assign 737 * specific meanings (line, cd, synth etc.) to them. 738 */ 739#define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 740#define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 741#define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 742 743/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 744/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 745#define SOUND_ONOFF_MIN 28 746#define SOUND_ONOFF_MAX 30 747#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 748#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 749#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 750 751/* Note! Number 31 cannot be used since the sign bit is reserved */ 752 753#define SOUND_DEVICE_LABELS { \ 754 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 755 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 756 "Line1", "Line2", "Line3"} 757 758#define SOUND_DEVICE_NAMES { \ 759 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 760 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 761 "line1", "line2", "line3"} 762 763/* Device bitmask identifiers */ 764 765#define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 766#define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 767#define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 768#define SOUND_MIXER_CAPS 0xfc 769#define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 770#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 771 772/* Device mask bits */ 773 774#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 775#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 776#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 777#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 778#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 779#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 780#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 781#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 782#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 783#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 784#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 785#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 786#define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 787#define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 788#define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 789#define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 790#define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 791 792#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 793#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 794#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 795 796#define MIXER_READ(dev) _IOR('M', dev, int) 797#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 798#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 799#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 800#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 801#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 802#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 803#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 804#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 805#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 806#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 807#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 808#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 809#define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 810#define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 811#define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 812#define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 813#define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 814#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 815#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 816#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 817 818#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 819#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 820#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 821#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 822#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 823 824#define MIXER_WRITE(dev) _IOWR('M', dev, int) 825#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 826#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 827#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 828#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 829#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 830#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 831#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 832#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 833#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 834#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 835#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 836#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 837#define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 838#define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 839#define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 840#define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 841#define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 842#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 843#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 844#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 845 846#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 847 848/* 849 * Level 2 event types for /dev/sequencer 850 */ 851 852/* 853 * The 4 most significant bits of byte 0 specify the class of 854 * the event: 855 * 856 * 0x8X = system level events, 857 * 0x9X = device/port specific events, event[1] = device/port, 858 * The last 4 bits give the subtype: 859 * 0x02 = Channel event (event[3] = chn). 860 * 0x01 = note event (event[4] = note). 861 * (0x01 is not used alone but always with bit 0x02). 862 * event[2] = MIDI message code (0x80=note off etc.) 863 * 864 */ 865 866#define EV_SEQ_LOCAL 0x80 867#define EV_TIMING 0x81 868#define EV_CHN_COMMON 0x92 869#define EV_CHN_VOICE 0x93 870#define EV_SYSEX 0x94 871/* 872 * Event types 200 to 220 are reserved for application use. 873 * These numbers will not be used by the driver. 874 */ 875 876/* 877 * Events for event type EV_CHN_VOICE 878 */ 879 880#define MIDI_NOTEOFF 0x80 881#define MIDI_NOTEON 0x90 882#define MIDI_KEY_PRESSURE 0xA0 883 884/* 885 * Events for event type EV_CHN_COMMON 886 */ 887 888#define MIDI_CTL_CHANGE 0xB0 889#define MIDI_PGM_CHANGE 0xC0 890#define MIDI_CHN_PRESSURE 0xD0 891#define MIDI_PITCH_BEND 0xE0 892 893#define MIDI_SYSTEM_PREFIX 0xF0 894 895/* 896 * Timer event types 897 */ 898#define TMR_WAIT_REL 1 /* Time relative to the prev time */ 899#define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 900#define TMR_STOP 3 901#define TMR_START 4 902#define TMR_CONTINUE 5 903#define TMR_TEMPO 6 904#define TMR_ECHO 8 905#define TMR_CLOCK 9 /* MIDI clock */ 906#define TMR_SPP 10 /* Song position pointer */ 907#define TMR_TIMESIG 11 /* Time signature */ 908 909/* 910 * Local event types 911 */ 912#define LOCL_STARTAUDIO 1 913 914#if (!defined(__KERNEL__) && !defined(KERNEL) && !defined(INKERNEL) && !defined(_KERNEL)) || defined(USE_SEQ_MACROS) 915/* 916 * Some convenience macros to simplify programming of the 917 * /dev/sequencer interface 918 * 919 * These macros define the API which should be used when possible. 920 */ 921 922#ifndef USE_SIMPLE_MACROS 923void seqbuf_dump __P((void)); /* This function must be provided by programs */ 924 925/* Sample seqbuf_dump() implementation: 926 * 927 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 928 * 929 * int seqfd; -- The file descriptor for /dev/sequencer. 930 * 931 * void 932 * seqbuf_dump () 933 * { 934 * if (_seqbufptr) 935 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 936 * { 937 * perror ("write /dev/sequencer"); 938 * exit (-1); 939 * } 940 * _seqbufptr = 0; 941 * } 942 */ 943 944#define SEQ_DEFINEBUF(len) \ 945 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 946#define SEQ_USE_EXTBUF() \ 947 extern u_char _seqbuf[]; \ 948 extern int _seqbuflen;extern int _seqbufptr 949#define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 950#define SEQ_PM_DEFINES struct patmgr_info _pm_info 951#define _SEQ_NEEDBUF(len) \ 952 if ((_seqbufptr+(len)) > _seqbuflen) \ 953 seqbuf_dump() 954#define _SEQ_ADVBUF(len) _seqbufptr += len 955#define SEQ_DUMPBUF seqbuf_dump 956#else 957/* 958 * This variation of the sequencer macros is used just to format one event 959 * using fixed buffer. 960 * 961 * The program using the macro library must define the following macros before 962 * using this library. 963 * 964 * #define _seqbuf name of the buffer (u_char[]) 965 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 966 * size of the event, this macro can be used. 967 * Otherwise this must be defined as empty. 968 * #define _seqbufptr Define the name of index variable or 0 if 969 * not required. 970 */ 971#define _SEQ_NEEDBUF(len) /* empty */ 972#endif 973 974#define PM_LOAD_PATCH(dev, bank, pgm) \ 975 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 976 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 977 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 978 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 979#define PM_LOAD_PATCHES(dev, bank, pgm) \ 980 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 981 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 982 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 983 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 984 985#define SEQ_VOLUME_MODE(dev, mode) { \ 986 _SEQ_NEEDBUF(8);\ 987 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 988 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 989 _seqbuf[_seqbufptr+2] = (dev);\ 990 _seqbuf[_seqbufptr+3] = (mode);\ 991 _seqbuf[_seqbufptr+4] = 0;\ 992 _seqbuf[_seqbufptr+5] = 0;\ 993 _seqbuf[_seqbufptr+6] = 0;\ 994 _seqbuf[_seqbufptr+7] = 0;\ 995 _SEQ_ADVBUF(8);} 996 997/* 998 * Midi voice messages 999 */ 1000 1001#define _CHN_VOICE(dev, event, chn, note, parm) { \ 1002 _SEQ_NEEDBUF(8);\ 1003 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1004 _seqbuf[_seqbufptr+1] = (dev);\ 1005 _seqbuf[_seqbufptr+2] = (event);\ 1006 _seqbuf[_seqbufptr+3] = (chn);\ 1007 _seqbuf[_seqbufptr+4] = (note);\ 1008 _seqbuf[_seqbufptr+5] = (parm);\ 1009 _seqbuf[_seqbufptr+6] = (0);\ 1010 _seqbuf[_seqbufptr+7] = 0;\ 1011 _SEQ_ADVBUF(8);} 1012 1013#define SEQ_START_NOTE(dev, chn, note, vol) \ 1014 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1015 1016#define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1017 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1018 1019#define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1020 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1021 1022/* 1023 * Midi channel messages 1024 */ 1025 1026#define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1027 _SEQ_NEEDBUF(8);\ 1028 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1029 _seqbuf[_seqbufptr+1] = (dev);\ 1030 _seqbuf[_seqbufptr+2] = (event);\ 1031 _seqbuf[_seqbufptr+3] = (chn);\ 1032 _seqbuf[_seqbufptr+4] = (p1);\ 1033 _seqbuf[_seqbufptr+5] = (p2);\ 1034 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1035 _SEQ_ADVBUF(8);} 1036/* 1037 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1038 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1039 * so _will_ cause problems with MPU401 intelligent mode). 1040 * 1041 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1042 * sent by calling SEQ_SYSEX() several times (there must be no other events 1043 * between them). First sysex fragment must have 0xf0 in the first byte 1044 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1045 * between these sysex start and end markers cannot be larger than 0x7f. Also 1046 * lengths of each fragments (except the last one) must be 6. 1047 * 1048 * Breaking the above rules may work with some MIDI ports but is likely to 1049 * cause fatal problems with some other devices (such as MPU401). 1050 */ 1051#define SEQ_SYSEX(dev, buf, len) { \ 1052 int i, l=(len); if (l>6)l=6;\ 1053 _SEQ_NEEDBUF(8);\ 1054 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1055 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1056 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1057 _SEQ_ADVBUF(8);} 1058 1059#define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1060 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1061 1062#define SEQ_SET_PATCH(dev, chn, patch) \ 1063 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1064 1065#define SEQ_CONTROL(dev, chn, controller, value) \ 1066 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1067 1068#define SEQ_BENDER(dev, chn, value) \ 1069 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1070 1071 1072#define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1073 _SEQ_NEEDBUF(8);\ 1074 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1075 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1076 _seqbuf[_seqbufptr+2] = (dev);\ 1077 _seqbuf[_seqbufptr+3] = (voice);\ 1078 _seqbuf[_seqbufptr+4] = (controller);\ 1079 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1080 _seqbuf[_seqbufptr+7] = 0;\ 1081 _SEQ_ADVBUF(8);} 1082 1083/* 1084 * The following 5 macros are incorrectly implemented and obsolete. 1085 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1086 */ 1087 1088#define SEQ_PITCHBEND(dev, voice, value) \ 1089 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1090#define SEQ_BENDER_RANGE(dev, voice, value) \ 1091 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1092#define SEQ_EXPRESSION(dev, voice, value) \ 1093 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1094#define SEQ_MAIN_VOLUME(dev, voice, value) \ 1095 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1096#define SEQ_PANNING(dev, voice, pos) \ 1097 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1098 1099/* 1100 * Timing and syncronization macros 1101 */ 1102 1103#define _TIMER_EVENT(ev, parm) { \ 1104 _SEQ_NEEDBUF(8);\ 1105 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1106 _seqbuf[_seqbufptr+1] = (ev); \ 1107 _seqbuf[_seqbufptr+2] = 0;\ 1108 _seqbuf[_seqbufptr+3] = 0;\ 1109 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1110 _SEQ_ADVBUF(8); \ 1111 } 1112 1113#define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1114#define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1115#define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1116#define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1117#define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1118#define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1119#define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1120#define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1121#define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1122 1123/* 1124 * Local control events 1125 */ 1126 1127#define _LOCAL_EVENT(ev, parm) { \ 1128 _SEQ_NEEDBUF(8);\ 1129 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1130 _seqbuf[_seqbufptr+1] = (ev); \ 1131 _seqbuf[_seqbufptr+2] = 0;\ 1132 _seqbuf[_seqbufptr+3] = 0;\ 1133 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1134 _SEQ_ADVBUF(8); \ 1135 } 1136 1137#define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1138/* 1139 * Events for the level 1 interface only 1140 */ 1141 1142#define SEQ_MIDIOUT(device, byte) { \ 1143 _SEQ_NEEDBUF(4);\ 1144 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1145 _seqbuf[_seqbufptr+1] = (byte);\ 1146 _seqbuf[_seqbufptr+2] = (device);\ 1147 _seqbuf[_seqbufptr+3] = 0;\ 1148 _SEQ_ADVBUF(4);} 1149 1150/* 1151 * Patch loading. 1152 */ 1153#define SEQ_WRPATCH(patchx, len) { \ 1154 if (_seqbufptr) seqbuf_dump(); \ 1155 if (write(seqfd, (char*)(patchx), len)==-1) \ 1156 perror("Write patch: /dev/sequencer"); \ 1157 } 1158 1159#define SEQ_WRPATCH2(patchx, len) \ 1160 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1161 1162#endif 1163#endif 1164