soundcard.h revision 805
1#ifndef _SOUNDCARD_H_ 2#define _SOUNDCARD_H_ 1 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 * hsavolai@cs.helsinki.fi 38 */ 39 40#define SOUND_VERSION 200 41 42#include <sys/ioctl.h> 43 44/* 45 * Supported card ID numbers (Should be somewhere else?) 46 */ 47 48#define SNDCARD_ADLIB 1 49#define SNDCARD_SB 2 50#define SNDCARD_PAS 3 51#define SNDCARD_GUS 4 52#define SNDCARD_MPU401 5 53 54/*********************************** 55 * IOCTL Commands for /dev/sequencer 56 */ 57 58#ifndef _IOWR 59/* @(#)ioctlp.h */ 60 61/* Ioctl's have the command encoded in the lower word, 62 * and the size of any in or out parameters in the upper 63 * word. The high 2 bits of the upper word are used 64 * to encode the in/out status of the parameter; for now 65 * we restrict parameters to at most 128 bytes. 66 */ 67/* #define IOCTYPE (0xff<<8) */ 68#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */ 69#define IOC_VOID 0x20000000 /* no parameters */ 70#define IOC_OUT 0x40000000 /* copy out parameters */ 71#define IOC_IN 0x80000000 /* copy in parameters */ 72#define IOC_INOUT (IOC_IN|IOC_OUT) 73/* the 0x20000000 is so we can distinguish new ioctl's from old */ 74#define _IO(x,y) ((int)(IOC_VOID|(x<<8)|y)) 75#define _IOR(x,y,t) ((int)(IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 76#define _IOW(x,y,t) ((int)(IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 77/* this should be _IORW, but stdio got there first */ 78#define _IOWR(x,y,t) ((int)(IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)) 79#endif /* !_IOWR */ 80 81#define SNDCTL_SEQ_RESET _IO ('Q', 0) 82#define SNDCTL_SEQ_SYNC _IO ('Q', 1) 83#define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 84#define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer resolution (HZ) */ 85#define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 86#define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 87#define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 88#define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 89#define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 90#define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 91#define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 92#define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 93#define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 94#define SNDCTL_SEQ_TRESHOLD _IOW ('Q',13, int) 95#define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 96#define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 97#define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 98 99/* 100 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 101 * The following patch_info structure has been designed to support 102 * Gravis UltraSound. It tries to be universal format for uploading 103 * sample based patches but is propably too limited. 104 */ 105 106struct patch_info { 107 short key; /* Use GUS_PATCH here */ 108#define GUS_PATCH 0x04fd 109#define OBSOLETE_GUS_PATCH 0x02fd 110 short device_no; /* Synthesizer number */ 111 short instr_no; /* Midi pgm# */ 112 113 unsigned long mode; 114/* 115 * The least significant byte has the same format than the GUS .PAT 116 * files 117 */ 118#define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 119#define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 120#define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 121#define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 122#define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 123#define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 124#define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 125 /* (use the env_rate/env_offs fields). */ 126/* Linux specific bits */ 127#define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 128#define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 129#define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 130/* Other bits must be zeroed */ 131 132 long len; /* Size of the wave data in bytes */ 133 long loop_start, loop_end; /* Byte offsets from the beginning */ 134 135/* 136 * The base_freq and base_note fields are used when computing the 137 * playback speed for a note. The base_note defines the tone frequency 138 * which is heard if the sample is played using the base_freq as the 139 * playback speed. 140 * 141 * The low_note and high_note fields define the minimum and maximum note 142 * frequencies for which this sample is valid. It is possible to define 143 * more than one samples for a instrument number at the same time. The 144 * low_note and high_note fields are used to select the most suitable one. 145 * 146 * The fields base_note, high_note and low_note should contain 147 * the note frequency multiplied by 1000. For example value for the 148 * middle A is 440*1000. 149 */ 150 151 unsigned int base_freq; 152 unsigned long base_note; 153 unsigned long high_note; 154 unsigned long low_note; 155 int panning; /* -128=left, 127=right */ 156 int detuning; 157 158/* New fields introduced in version 1.99.5 */ 159 160 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 161 unsigned char env_rate[ 6 ]; /* GUS HW ramping rate */ 162 unsigned char env_offset[ 6 ]; /* 255 == 100% */ 163 164 /* 165 * The tremolo, vibrato and scale info are not supported yet. 166 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 167 * WAVE_SCALE 168 */ 169 170 unsigned char tremolo_sweep; 171 unsigned char tremolo_rate; 172 unsigned char tremolo_depth; 173 174 unsigned char vibrato_sweep; 175 unsigned char vibrato_rate; 176 unsigned char vibrato_depth; 177 178 int scale_frequency; 179 unsigned int scale_factor; /* from 0 to 2048 or 0 to 2 */ 180 181 int volume; 182 int spare[4]; 183 char data[0]; /* The waveform data starts here */ 184 }; 185 186 187/* 188 * Patch management interface (/dev/sequencer, /dev/patmgr#) 189 * Don't use these calls if you want to maintain compatibility with 190 * the future versions of the driver. 191 */ 192 193#define PS_NO_PATCHES 0 /* No patch support on device */ 194#define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 195#define PS_MGR_OK 2 /* Patch manager supported */ 196#define PS_MANAGED 3 /* Patch manager running */ 197 198#define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 199 200/* 201 * The patmgr_info is a fixed size structure which is used for two 202 * different purposes. The intended use is for communication between 203 * the application using /dev/sequencer and the patch manager daemon 204 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 205 * 206 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 207 * a patch manager daemon to read and write device parameters. This 208 * ioctl available through /dev/sequencer also. Avoid using it since it's 209 * extremely hardware dependent. In addition access trough /dev/sequencer 210 * may confuse the patch manager daemon. 211 */ 212 213struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 214 unsigned long key; /* Don't worry. Reserved for communication 215 between the patch manager and the driver. */ 216#define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 217#define PM_K_COMMAND 2 /* Request from a application */ 218#define PM_K_RESPONSE 3 /* From patmgr to application */ 219#define PM_ERROR 4 /* Error returned by the patmgr */ 220 int device; 221 int command; 222 223/* 224 * Commands 0x000 to 0xfff reserved for patch manager programs 225 */ 226#define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 227#define PMTYPE_FM2 1 /* 2 OP fm */ 228#define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 229#define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 230#define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 231#define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 232#define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 233#define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 234#define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 235#define PM_READ_PATCH 7 /* Read patch (wave) data */ 236#define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 237 238/* 239 * Commands 0x1000 to 0xffff are for communication between the patch manager 240 * and the client 241 */ 242#define _PM_LOAD_PATCH 0x100 243 244/* 245 * Commands above 0xffff reserved for device specific use 246 */ 247 248 long parm1; 249 long parm2; 250 long parm3; 251 252 union { 253 unsigned char data8[4000]; 254 unsigned short data16[2000]; 255 unsigned long data32[1000]; 256 struct patch_info patch; 257 } data; 258 }; 259 260/* 261 * When a patch manager daemon is present, it will be informed by the 262 * driver when something important happens. For example when the 263 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 264 * returned. The command field contains the event type: 265 */ 266#define PM_E_OPENED 1 /* /dev/sequencer opened */ 267#define PM_E_CLOSED 2 /* /dev/sequencer closed */ 268#define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 269#define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 270 271/* 272 * /dev/sequencer input events. 273 * 274 * The data written to the /dev/sequencer is a stream of events. Events 275 * are records of 4 or 8 bytes. The first byte defines the size. 276 * Any number of events can be written with a write call. There 277 * is a set of macros for sending these events. Use these macros if you 278 * want to maximize portability of your program. 279 * 280 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 281 * (All input events are currently 4 bytes long. Be prepared to support 282 * 8 byte events also. If you receive any event having first byte >= 0xf0, 283 * it's a 8 byte event. 284 * 285 * The events are documented at the end of this file. 286 * 287 * Normal events (4 bytes) 288 * There is also a 8 byte version of most of the 4 byte events. The 289 * 8 byte one is recommended. 290 */ 291#define SEQ_NOTEOFF 0 292#define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 293#define SEQ_NOTEON 1 294#define SEQ_FMNOTEON SEQ_NOTEON 295#define SEQ_WAIT 2 296#define SEQ_PGMCHANGE 3 297#define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 298#define SEQ_SYNCTIMER 4 299#define SEQ_MIDIPUTC 5 300#define SEQ_DRUMON 6 /*** OBSOLETE ***/ 301#define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 302#define SEQ_ECHO 8 /* For synching programs with output */ 303#define SEQ_AFTERTOUCH 9 304#define SEQ_CONTROLLER 10 305#define CTRL_PITCH_BENDER 255 306#define CTRL_PITCH_BENDER_RANGE 254 307#define CTRL_EXPRESSION 253 308#define CTRL_MAIN_VOLUME 252 309#define SEQ_BALANCE 11 310 311/* 312 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 313 * input events. 314 */ 315 316/* 317 * Event codes 0xf0 to 0xfc are reserved for future extensions. 318 */ 319 320#define SEQ_FULLSIZE 0xfd /* Long events */ 321/* 322 * SEQ_FULLSIZE events are used for loading patches/samples to the 323 * synthesizer devices. These events are passed directly to the driver 324 * of the associated synthesizer device. There is no limit to the size 325 * of the extended events. These events are not queued but executed 326 * immediately when the write() is called (execution can take several 327 * seconds of time). 328 * 329 * When a SEQ_FULLSIZE message is written to the device, it must 330 * be written using exactly one write() call. Other events cannot 331 * be mixed to the same write. 332 * 333 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write it to the 334 * /dev/sequencer. Don't write other data together with the instrument structure 335 * Set the key field of the structure to FM_PATCH. The device field is used to 336 * route the patch to the corresponding device. 337 * 338 * For Gravis UltraSound use struct patch_info. Initialize the key field 339 * to GUS_PATCH. 340 */ 341#define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 342#define SEQ_EXTENDED 0xff /* Extended events (8 bytes) */ 343 344/* 345 * Extended events for synthesizers (8 bytes) 346 * 347 * Format: 348 * 349 * b0 = SEQ_EXTENDED 350 * b1 = command 351 * b2 = device 352 * b3-b7 = parameters 353 * 354 * Command b3 b4 b5 b6 b7 355 * ---------------------------------------------------------------------------- 356 * SEQ_NOTEON voice note volume 0 0 357 * SEQ_NOTEOFF voice note volume 0 0 358 * SEQ_PGMCHANGE voice pgm 0 0 0 359 * SEQ_DRUMON (voice) drum# volume 0 0 360 * SEQ_DRUMOFF (voice) drum# volume 0 0 361 */ 362 363/* 364 * Record for FM patches 365 */ 366 367typedef unsigned char sbi_instr_data[32]; 368 369struct sbi_instrument { 370 unsigned short key; /* Initialize to FM_PATCH or OPL3_PATCH */ 371#define FM_PATCH 0x01fd 372#define OPL3_PATCH 0x03fd 373 short device; /* Synth# (0-4) */ 374 int channel; /* Program# to be initialized */ 375 sbi_instr_data operators; /* Register settings for operator cells (.SBI format) */ 376 }; 377 378struct synth_info { /* Read only */ 379 char name[30]; 380 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 381 int synth_type; 382#define SYNTH_TYPE_FM 0 383#define SYNTH_TYPE_SAMPLE 1 384 385 int synth_subtype; 386#define FM_TYPE_ADLIB 0x00 387#define FM_TYPE_OPL3 0x01 388 389#define SAMPLE_TYPE_GUS 0x10 390 391 int perc_mode; /* No longer supported */ 392 int nr_voices; 393 int nr_drums; /* Obsolete field */ 394 int instr_bank_size; 395 unsigned long capabilities; 396#define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 397#define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 398 int dummies[19]; /* Reserve space */ 399 }; 400 401struct midi_info { 402 char name[30]; 403 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 404 unsigned long capabilities; /* To be defined later */ 405 int dummies[19]; /* Reserve space */ 406 }; 407 408/******************************************** 409 * IOCTL commands for /dev/dsp and /dev/audio 410 */ 411 412#define SNDCTL_DSP_RESET _IO ('P', 0) 413#define SNDCTL_DSP_SYNC _IO ('P', 1) 414#define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 415#define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 416#define SNDCTL_DSP_GETBLKSIZE _IOWR('P', 4, int) 417#define SNDCTL_DSP_SAMPLESIZE _IOWR('P', 5, int) /* 8, 12 or 16 */ 418#define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 419#define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 420#define SNDCTL_DSP_POST _IO ('P', 8) 421 422#define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 423#define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 424#define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 425#define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 426 427/* Some alias names */ 428#define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SAMPLESIZE 429#define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 430#define SOUND_PCM_POST SNDCTL_DSP_POST 431#define SOUND_PCM_RESET SNDCTL_DSP_RESET 432#define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 433 434/********************************************* 435 * IOCTL commands for /dev/mixer 436 */ 437 438/* 439 * Mixer devices 440 * 441 * There can be up to 20 different analog mixer channels. The 442 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 443 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 444 * the devices supported by the particular mixer. 445 */ 446 447#define SOUND_MIXER_NRDEVICES 12 448#define SOUND_MIXER_VOLUME 0 449#define SOUND_MIXER_BASS 1 450#define SOUND_MIXER_TREBLE 2 451#define SOUND_MIXER_SYNTH 3 452#define SOUND_MIXER_PCM 4 453#define SOUND_MIXER_SPEAKER 5 454#define SOUND_MIXER_LINE 6 455#define SOUND_MIXER_MIC 7 456#define SOUND_MIXER_CD 8 457#define SOUND_MIXER_IMIX 9 /* Recording monitor */ 458#define SOUND_MIXER_ALTPCM 10 459#define SOUND_MIXER_RECLEV 11 /* Recording level */ 460 461/* Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) */ 462/* Not counted to SOUND_MIXER_NRDEVICES, but use the same number space */ 463#define SOUND_ONOFF_MIN 28 464#define SOUND_ONOFF_MAX 30 465#define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 466#define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 467#define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 468 469/* Note! Number 31 cannot be used since the sign bit is reserved */ 470 471#define SOUND_DEVICE_LABELS {"Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 472 "Mic ", "CD ", "Mix ", "Pcm2 ", "rec"} 473 474#define SOUND_DEVICE_NAMES {"vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 475 "mic", "cd", "mix", "pcm2", "rec"} 476 477/* Device bitmask identifiers */ 478 479#define SOUND_MIXER_RECSRC 0xff /* Arg contains a bit for each recording source */ 480#define SOUND_MIXER_DEVMASK 0xfe /* Arg contains a bit for each supported device */ 481#define SOUND_MIXER_RECMASK 0xfd /* Arg contains a bit for each supported recording source */ 482#define SOUND_MIXER_CAPS 0xfc 483 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only one recording source at a time */ 484#define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 485 486/* Device mask bits */ 487 488#define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 489#define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 490#define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 491#define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 492#define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 493#define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 494#define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 495#define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 496#define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 497#define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 498#define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 499#define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 500 501#define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 502#define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 503#define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 504 505#define MIXER_READ(dev) _IOR('M', dev, int) 506#define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 507#define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 508#define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 509#define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 510#define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 511#define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 512#define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 513#define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 514#define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 515#define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 516#define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 517#define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 518#define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 519#define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 520#define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 521 522#define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 523#define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 524#define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 525#define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 526#define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 527 528#define MIXER_WRITE(dev) _IOWR('M', dev, int) 529#define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 530#define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 531#define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 532#define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 533#define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 534#define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 535#define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 536#define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 537#define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 538#define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 539#define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 540#define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 541#define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 542#define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 543#define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 544 545#define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 546 547/* 548 * The following mixer ioctl calls are compatible with the BSD driver by 549 * Steve Haehnichen <shaehnic@ucsd.edu> 550 * 551 * Since this interface is entirely SB specific, it will be dropped in the 552 * near future. 553 */ 554 555typedef unsigned char S_BYTE; 556typedef unsigned char S_FLAG; 557struct stereo_vol 558{ 559 S_BYTE l; /* Left volume */ 560 S_BYTE r; /* Right volume */ 561}; 562 563#define MIXER_IOCTL_SET_LEVELS _IOW ('s', 20, struct sb_mixer_levels) 564#define MIXER_IOCTL_SET_PARAMS _IOW ('s', 21, struct sb_mixer_params) 565#define MIXER_IOCTL_READ_LEVELS _IOR ('s', 22, struct sb_mixer_levels) 566#define MIXER_IOCTL_READ_PARAMS _IOR ('s', 23, struct sb_mixer_params) 567#define MIXER_IOCTL_RESET _IO ('s', 24) 568 569/* 570 * Mixer volume levels for MIXER_IOCTL_SET_VOL & MIXER_IOCTL_READ_VOL 571 */ 572struct sb_mixer_levels 573{ 574 struct stereo_vol master; /* Master volume */ 575 struct stereo_vol voc; /* DSP Voice volume */ 576 struct stereo_vol fm; /* FM volume */ 577 struct stereo_vol line; /* Line-in volume */ 578 struct stereo_vol cd; /* CD audio */ 579 S_BYTE mic; /* Microphone level */ 580}; 581 582/* 583 * Mixer parameters for MIXER_IOCTL_SET_PARAMS & MIXER_IOCTL_READ_PARAMS 584 */ 585struct sb_mixer_params 586{ 587 S_BYTE record_source; /* Recording source (See SRC_xxx below) */ 588 S_FLAG hifreq_filter; /* Filter frequency (hi/low) */ 589 S_FLAG filter_input; /* ANFI input filter */ 590 S_FLAG filter_output; /* DNFI output filter */ 591 S_FLAG dsp_stereo; /* 1 if DSP is in Stereo mode */ 592}; 593 594#define SRC_MIC 1 /* Select Microphone recording source */ 595#define SRC_CD 3 /* Select CD recording source */ 596#define SRC_LINE 7 /* Use Line-in for recording source */ 597 598#if !defined(KERNEL) && !defined(INKERNEL) 599/* 600 * Some convenience macros to simplify programming of the 601 * /dev/sequencer interface 602 * 603 * These macros define the API which should be used when possible. 604 */ 605 606void seqbuf_dump(void); /* This function must be provided by programs */ 607 608/* Sample seqbuf_dump() implementation: 609 * 610 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 611 * 612 * int seqfd; -- The file descriptor for /dev/sequencer. 613 * 614 * void 615 * seqbuf_dump () 616 * { 617 * if (_seqbufptr) 618 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 619 * { 620 * perror ("write /dev/sequencer"); 621 * exit (-1); 622 * } 623 * _seqbufptr = 0; 624 * } 625 */ 626 627#define SEQ_DEFINEBUF(len) unsigned char _seqbuf[len]; int _seqbuflen = len, _seqbufptr = 0 628#define SEQ_PM_DEFINES struct patmgr_info _pm_info 629#define _SEQ_NEEDBUF(len) if ((_seqbufptr+(len)) > _seqbuflen) seqbuf_dump() 630#define _SEQ_ADVBUF(len) _seqbufptr += len 631#define SEQ_DUMPBUF seqbuf_dump 632#define PM_LOAD_PATCH(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 633 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 634 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 635 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 636#define PM_LOAD_PATCHES(dev, bank, pgm) (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 637 _pm_info.device=dev, memcpy(_pm_info.data.data8, pgm, 128), \ 638 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 639 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 640 641#define SEQ_START_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\ 642 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 643 _seqbuf[_seqbufptr+1] = SEQ_NOTEON;\ 644 _seqbuf[_seqbufptr+2] = (dev);\ 645 _seqbuf[_seqbufptr+3] = (voice);\ 646 _seqbuf[_seqbufptr+4] = (note);\ 647 _seqbuf[_seqbufptr+5] = (vol);\ 648 _seqbuf[_seqbufptr+6] = 0;\ 649 _seqbuf[_seqbufptr+7] = 0;\ 650 _SEQ_ADVBUF(8);} 651 652#define SEQ_STOP_NOTE(dev, voice, note, vol) {_SEQ_NEEDBUF(8);\ 653 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 654 _seqbuf[_seqbufptr+1] = SEQ_NOTEOFF;\ 655 _seqbuf[_seqbufptr+2] = (dev);\ 656 _seqbuf[_seqbufptr+3] = (voice);\ 657 _seqbuf[_seqbufptr+4] = (note);\ 658 _seqbuf[_seqbufptr+5] = (vol);\ 659 _seqbuf[_seqbufptr+6] = 0;\ 660 _seqbuf[_seqbufptr+7] = 0;\ 661 _SEQ_ADVBUF(8);} 662 663#define SEQ_CHN_PRESSURE(dev, voice, pressure) {_SEQ_NEEDBUF(8);\ 664 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 665 _seqbuf[_seqbufptr+1] = SEQ_AFTERTOUCH;\ 666 _seqbuf[_seqbufptr+2] = (dev);\ 667 _seqbuf[_seqbufptr+3] = (voice);\ 668 _seqbuf[_seqbufptr+4] = (pressure);\ 669 _seqbuf[_seqbufptr+5] = 0;\ 670 _seqbuf[_seqbufptr+6] = 0;\ 671 _seqbuf[_seqbufptr+7] = 0;\ 672 _SEQ_ADVBUF(8);} 673 674#define SEQ_PANNING(dev, voice, pos) {_SEQ_NEEDBUF(8);\ 675 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 676 _seqbuf[_seqbufptr+1] = SEQ_BALANCE;\ 677 _seqbuf[_seqbufptr+2] = (dev);\ 678 _seqbuf[_seqbufptr+3] = (voice);\ 679 (char)_seqbuf[_seqbufptr+4] = (pos);\ 680 _seqbuf[_seqbufptr+5] = 0;\ 681 _seqbuf[_seqbufptr+6] = 0;\ 682 _seqbuf[_seqbufptr+7] = 0;\ 683 _SEQ_ADVBUF(8);} 684 685#define SEQ_CONTROL(dev, voice, controller, value) {_SEQ_NEEDBUF(8);\ 686 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 687 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 688 _seqbuf[_seqbufptr+2] = (dev);\ 689 _seqbuf[_seqbufptr+3] = (voice);\ 690 _seqbuf[_seqbufptr+4] = (controller);\ 691 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 692 _seqbuf[_seqbufptr+7] = 0;\ 693 _SEQ_ADVBUF(8);} 694 695#define SEQ_PITCHBEND(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 696#define SEQ_BENDER_RANGE(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 697#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_EXPRESSION, value) 698#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTRL_MAIN_VOLUME, value) 699 700#define SEQ_START_TIMER() {_SEQ_NEEDBUF(4);\ 701 _seqbuf[_seqbufptr] = SEQ_SYNCTIMER;\ 702 _seqbuf[_seqbufptr+1] = 0;\ 703 _seqbuf[_seqbufptr+2] = 0;\ 704 _seqbuf[_seqbufptr+3] = 0;\ 705 _SEQ_ADVBUF(4);} 706#define SEQ_SET_PATCH(dev, voice, patch) {_SEQ_NEEDBUF(8);\ 707 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 708 _seqbuf[_seqbufptr+1] = SEQ_PGMCHANGE;\ 709 _seqbuf[_seqbufptr+2] = (dev);\ 710 _seqbuf[_seqbufptr+3] = (voice);\ 711 _seqbuf[_seqbufptr+4] = (patch);\ 712 _seqbuf[_seqbufptr+5] = 0;\ 713 _seqbuf[_seqbufptr+6] = 0;\ 714 _seqbuf[_seqbufptr+7] = 0;\ 715 _SEQ_ADVBUF(8);} 716 717#define SEQ_WAIT_TIME(ticks) {_SEQ_NEEDBUF(4);\ 718 *(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_WAIT | ((ticks) << 8);\ 719 _SEQ_ADVBUF(4);} 720 721#define SEQ_ECHO_BACK(key) {_SEQ_NEEDBUF(4);\ 722 *(unsigned long *)&_seqbuf[_seqbufptr] = SEQ_ECHO | ((key) << 8);\ 723 _SEQ_ADVBUF(4);} 724 725#define SEQ_MIDIOUT(device, byte) {_SEQ_NEEDBUF(4);\ 726 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 727 _seqbuf[_seqbufptr+1] = (byte);\ 728 _seqbuf[_seqbufptr+2] = (device);\ 729 _seqbuf[_seqbufptr+3] = 0;\ 730 _SEQ_ADVBUF(4);} 731#define SEQ_WRPATCH(patch, len) {if (_seqbufptr) seqbuf_dump();\ 732 if (write(seqfd, (char*)(patch), len)==-1) \ 733 perror("Write patch: /dev/sequencer");} 734 735#endif 736long soundcard_init(long mem_start); 737#endif /* _SOUNDCARD_H_ */ 738