1 /* 2 * soundcard.h 3 */ 4 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause 7 * 8 * Copyright by Hannu Savolainen 1993 / 4Front Technologies 1993-2006 9 * Modified for the new FreeBSD sound driver by Luigi Rizzo, 1997 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided 19 * with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 24 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD$ 35 */ 36 37 /* 38 * Unless coordinating changes with 4Front Technologies, do NOT make any 39 * modifications to ioctl commands, types, etc. that would break 40 * compatibility with the OSS API. 41 */ 42 43 #ifndef _SYS_SOUNDCARD_H_ 44 #define _SYS_SOUNDCARD_H_ 45 /* 46 * If you make modifications to this file, please contact me before 47 * distributing the modified version. There is already enough 48 * diversity in the world. 49 * 50 * Regards, 51 * Hannu Savolainen 52 * hannu@voxware.pp.fi 53 * 54 ********************************************************************** 55 * PS. The Hacker's Guide to VoxWare available from 56 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 57 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 58 * some useful information about programming with VoxWare. 59 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 60 * to cd inside them before the files are accessible.) 61 ********************************************************************** 62 */ 63 64 /* 65 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 66 * should not depend on it, but rather look at the capabilities 67 * of the driver in the kernel! 68 */ 69 #define SOUND_VERSION 301 70 #define VOXWARE /* does this have any use ? */ 71 72 /* 73 * Supported card ID numbers (Should be somewhere else? We keep 74 * them here just for compativility with the old driver, but these 75 * constants are of little or no use). 76 */ 77 78 #define SNDCARD_ADLIB 1 79 #define SNDCARD_SB 2 80 #define SNDCARD_PAS 3 81 #define SNDCARD_GUS 4 82 #define SNDCARD_MPU401 5 83 #define SNDCARD_SB16 6 84 #define SNDCARD_SB16MIDI 7 85 #define SNDCARD_UART6850 8 86 #define SNDCARD_GUS16 9 87 #define SNDCARD_MSS 10 88 #define SNDCARD_PSS 11 89 #define SNDCARD_SSCAPE 12 90 #define SNDCARD_PSS_MPU 13 91 #define SNDCARD_PSS_MSS 14 92 #define SNDCARD_SSCAPE_MSS 15 93 #define SNDCARD_TRXPRO 16 94 #define SNDCARD_TRXPRO_SB 17 95 #define SNDCARD_TRXPRO_MPU 18 96 #define SNDCARD_MAD16 19 97 #define SNDCARD_MAD16_MPU 20 98 #define SNDCARD_CS4232 21 99 #define SNDCARD_CS4232_MPU 22 100 #define SNDCARD_MAUI 23 101 #define SNDCARD_PSEUDO_MSS 24 102 #define SNDCARD_AWE32 25 103 #define SNDCARD_NSS 26 104 #define SNDCARD_UART16550 27 105 #define SNDCARD_OPL 28 106 107 #include <sys/types.h> 108 #include <machine/endian.h> 109 #ifndef _IOWR 110 #include <sys/ioccom.h> 111 #endif /* !_IOWR */ 112 113 /* 114 * The first part of this file contains the new FreeBSD sound ioctl 115 * interface. Tries to minimize the number of different ioctls, and 116 * to be reasonably general. 117 * 118 * 970821: some of the new calls have not been implemented yet. 119 */ 120 121 /* 122 * the following three calls extend the generic file descriptor 123 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 124 * number of bytes for a write operation to be non-blocking. 125 * 126 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 127 * from a character device (default) to a block device. In block mode, 128 * (not to be confused with blocking mode) the main difference for the 129 * application is that select() will return only when a complete 130 * block can be read/written to the device, whereas in character mode 131 * select will return true when one byte can be exchanged. For audio 132 * devices, character mode makes select almost useless since one byte 133 * will always be ready by the next sample time (which is often only a 134 * handful of microseconds away). 135 * Use a size of 0 or 1 to return to character mode. 136 */ 137 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 138 struct snd_size { 139 int play_size; 140 int rec_size; 141 }; 142 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 143 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 144 145 /* 146 * The following constants define supported audio formats. The 147 * encoding follows voxware conventions, i.e. 1 bit for each supported 148 * format. We extend it by using bit 31 (RO) to indicate full-duplex 149 * capability, and bit 29 (RO) to indicate that the card supports/ 150 * needs different formats on capture & playback channels. 151 * Bit 29 (RW) is used to indicate/ask stereo. 152 * 153 * The number of bits required to store the sample is: 154 * o 4 bits for the IDA ADPCM format, 155 * o 8 bits for 8-bit formats, mu-law and A-law, 156 * o 16 bits for the 16-bit formats, and 157 * o 32 bits for the 24/32-bit formats. 158 * o undefined for the MPEG audio format. 159 */ 160 161 #define AFMT_QUERY 0x00000000 /* Return current format */ 162 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 163 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 164 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 165 * squence represented using the 166 * the average 4 bits per sample */ 167 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 168 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 169 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 170 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 171 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 172 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 173 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 174 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 175 176 /* 177 * 32-bit formats below used for 24-bit audio data where the data is stored 178 * in the 24 most significant bits and the least significant bits are not used 179 * (should be set to 0). 180 */ 181 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 182 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 183 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 184 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 185 #define AFMT_S24_LE 0x00010000 /* Little endian signed 24-bit */ 186 #define AFMT_S24_BE 0x00020000 /* Big endian signed 24-bit */ 187 #define AFMT_U24_LE 0x00040000 /* Little endian unsigned 24-bit */ 188 #define AFMT_U24_BE 0x00080000 /* Big endian unsigned 24-bit */ 189 190 /* Machine dependent AFMT_* definitions. */ 191 #if BYTE_ORDER == LITTLE_ENDIAN 192 #define AFMT_S16_NE AFMT_S16_LE 193 #define AFMT_S24_NE AFMT_S24_LE 194 #define AFMT_S32_NE AFMT_S32_LE 195 #define AFMT_U16_NE AFMT_U16_LE 196 #define AFMT_U24_NE AFMT_U24_LE 197 #define AFMT_U32_NE AFMT_U32_LE 198 #define AFMT_S16_OE AFMT_S16_BE 199 #define AFMT_S24_OE AFMT_S24_BE 200 #define AFMT_S32_OE AFMT_S32_BE 201 #define AFMT_U16_OE AFMT_U16_BE 202 #define AFMT_U24_OE AFMT_U24_BE 203 #define AFMT_U32_OE AFMT_U32_BE 204 #else 205 #define AFMT_S16_OE AFMT_S16_LE 206 #define AFMT_S24_OE AFMT_S24_LE 207 #define AFMT_S32_OE AFMT_S32_LE 208 #define AFMT_U16_OE AFMT_U16_LE 209 #define AFMT_U24_OE AFMT_U24_LE 210 #define AFMT_U32_OE AFMT_U32_LE 211 #define AFMT_S16_NE AFMT_S16_BE 212 #define AFMT_S24_NE AFMT_S24_BE 213 #define AFMT_S32_NE AFMT_S32_BE 214 #define AFMT_U16_NE AFMT_U16_BE 215 #define AFMT_U24_NE AFMT_U24_BE 216 #define AFMT_U32_NE AFMT_U32_BE 217 #endif 218 219 #define AFMT_STEREO 0x10000000 /* can do/want stereo */ 220 221 /* 222 * the following are really capabilities 223 */ 224 #define AFMT_WEIRD 0x20000000 /* weird hardware... */ 225 /* 226 * AFMT_WEIRD reports that the hardware might need to operate 227 * with different formats in the playback and capture 228 * channels when operating in full duplex. 229 * As an example, SoundBlaster16 cards only support U8 in one 230 * direction and S16 in the other one, and applications should 231 * be aware of this limitation. 232 */ 233 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 234 235 /* 236 * The following structure is used to get/set format and sampling rate. 237 * While it would be better to have things such as stereo, bits per 238 * sample, endiannes, etc split in different variables, it turns out 239 * that formats are not that many, and not all combinations are possible. 240 * So we followed the Voxware approach of associating one bit to each 241 * format. 242 */ 243 244 typedef struct _snd_chan_param { 245 u_long play_rate; /* sampling rate */ 246 u_long rec_rate; /* sampling rate */ 247 u_long play_format; /* everything describing the format */ 248 u_long rec_format; /* everything describing the format */ 249 } snd_chan_param; 250 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 251 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 252 253 /* 254 * The following structure is used to get/set the mixer setting. 255 * Up to 32 mixers are supported, each one with up to 32 channels. 256 */ 257 typedef struct _snd_mix_param { 258 u_char subdev; /* which output */ 259 u_char line; /* which input */ 260 u_char left,right; /* volumes, 0..255, 0 = mute */ 261 } snd_mix_param ; 262 263 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 264 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 265 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 266 267 /* 268 * channel specifiers used in AIOSTOP and AIOSYNC 269 */ 270 #define AIOSYNC_PLAY 0x1 /* play chan */ 271 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 272 /* AIOSTOP stop & flush a channel, returns the residual count */ 273 #define AIOSTOP _IOWR ('A', 15, int) 274 275 /* alternate method used to notify the sync condition */ 276 #define AIOSYNC_SIGNAL 0x100 277 #define AIOSYNC_SELECT 0x200 278 279 /* what the 'pos' field refers to */ 280 #define AIOSYNC_READY 0x400 281 #define AIOSYNC_FREE 0x800 282 283 typedef struct _snd_sync_parm { 284 long chan ; /* play or capture channel, plus modifier */ 285 long pos; 286 } snd_sync_parm; 287 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 288 289 /* 290 * The following is used to return device capabilities. If the structure 291 * passed to the ioctl is zeroed, default values are returned for rate 292 * and formats, a bitmap of available mixers is returned, and values 293 * (inputs, different levels) for the first one are returned. 294 * 295 * If formats, mixers, inputs are instantiated, then detailed info 296 * are returned depending on the call. 297 */ 298 typedef struct _snd_capabilities { 299 u_long rate_min, rate_max; /* min-max sampling rate */ 300 u_long formats; 301 u_long bufsize; /* DMA buffer size */ 302 u_long mixers; /* bitmap of available mixers */ 303 u_long inputs; /* bitmap of available inputs (per mixer) */ 304 u_short left, right; /* how many levels are supported */ 305 } snd_capabilities; 306 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 307 308 /* 309 * here is the old (Voxware) ioctl interface 310 */ 311 312 /* 313 * IOCTL Commands for /dev/sequencer 314 */ 315 316 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 317 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 318 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 319 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 320 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 321 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 322 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 323 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 324 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 325 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 326 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 327 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 328 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 329 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 330 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 331 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 332 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 333 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 334 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 335 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 336 #define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 337 338 struct seq_event_rec { 339 u_char arr[8]; 340 }; 341 342 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 343 #define SNDCTL_TMR_START _IO ('T', 2) 344 #define SNDCTL_TMR_STOP _IO ('T', 3) 345 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 346 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 347 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 348 # define TMR_INTERNAL 0x00000001 349 # define TMR_EXTERNAL 0x00000002 350 # define TMR_MODE_MIDI 0x00000010 351 # define TMR_MODE_FSK 0x00000020 352 # define TMR_MODE_CLS 0x00000040 353 # define TMR_MODE_SMPTE 0x00000080 354 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 355 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 356 357 /* 358 * Endian aware patch key generation algorithm. 359 */ 360 361 #if defined(_AIX) || defined(AIX) 362 # define _PATCHKEY(id) (0xfd00|id) 363 #else 364 # define _PATCHKEY(id) ((id<<8)|0xfd) 365 #endif 366 367 /* 368 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 369 * The following patch_info structure has been designed to support 370 * Gravis UltraSound. It tries to be universal format for uploading 371 * sample based patches but is probably too limited. 372 */ 373 374 struct patch_info { 375 /* u_short key; Use GUS_PATCH here */ 376 short key; /* Use GUS_PATCH here */ 377 #define GUS_PATCH _PATCHKEY(0x04) 378 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 379 380 short device_no; /* Synthesizer number */ 381 short instr_no; /* Midi pgm# */ 382 383 u_long mode; 384 /* 385 * The least significant byte has the same format than the GUS .PAT 386 * files 387 */ 388 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 389 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 390 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 391 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 392 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 393 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 394 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 395 /* (use the env_rate/env_offs fields). */ 396 /* Linux specific bits */ 397 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 398 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 399 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 400 /* Other bits must be zeroed */ 401 402 long len; /* Size of the wave data in bytes */ 403 long loop_start, loop_end; /* Byte offsets from the beginning */ 404 405 /* 406 * The base_freq and base_note fields are used when computing the 407 * playback speed for a note. The base_note defines the tone frequency 408 * which is heard if the sample is played using the base_freq as the 409 * playback speed. 410 * 411 * The low_note and high_note fields define the minimum and maximum note 412 * frequencies for which this sample is valid. It is possible to define 413 * more than one samples for an instrument number at the same time. The 414 * low_note and high_note fields are used to select the most suitable one. 415 * 416 * The fields base_note, high_note and low_note should contain 417 * the note frequency multiplied by 1000. For example value for the 418 * middle A is 440*1000. 419 */ 420 421 u_int base_freq; 422 u_long base_note; 423 u_long high_note; 424 u_long low_note; 425 int panning; /* -128=left, 127=right */ 426 int detuning; 427 428 /* New fields introduced in version 1.99.5 */ 429 430 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 431 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 432 u_char env_offset[ 6 ]; /* 255 == 100% */ 433 434 /* 435 * The tremolo, vibrato and scale info are not supported yet. 436 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 437 * WAVE_SCALE 438 */ 439 440 u_char tremolo_sweep; 441 u_char tremolo_rate; 442 u_char tremolo_depth; 443 444 u_char vibrato_sweep; 445 u_char vibrato_rate; 446 u_char vibrato_depth; 447 448 int scale_frequency; 449 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 450 451 int volume; 452 int spare[4]; 453 char data[1]; /* The waveform data starts here */ 454 }; 455 456 struct sysex_info { 457 short key; /* Use GUS_PATCH here */ 458 #define SYSEX_PATCH _PATCHKEY(0x05) 459 #define MAUI_PATCH _PATCHKEY(0x06) 460 short device_no; /* Synthesizer number */ 461 long len; /* Size of the sysex data in bytes */ 462 u_char data[1]; /* Sysex data starts here */ 463 }; 464 465 /* 466 * Patch management interface (/dev/sequencer, /dev/patmgr#) 467 * Don't use these calls if you want to maintain compatibility with 468 * the future versions of the driver. 469 */ 470 471 #define PS_NO_PATCHES 0 /* No patch support on device */ 472 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 473 #define PS_MGR_OK 2 /* Patch manager supported */ 474 #define PS_MANAGED 3 /* Patch manager running */ 475 476 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 477 478 /* 479 * The patmgr_info is a fixed size structure which is used for two 480 * different purposes. The intended use is for communication between 481 * the application using /dev/sequencer and the patch manager daemon 482 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 483 * 484 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 485 * a patch manager daemon to read and write device parameters. This 486 * ioctl available through /dev/sequencer also. Avoid using it since it's 487 * extremely hardware dependent. In addition access trough /dev/sequencer 488 * may confuse the patch manager daemon. 489 */ 490 491 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 492 u_long key; /* Don't worry. Reserved for communication 493 between the patch manager and the driver. */ 494 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 495 #define PM_K_COMMAND 2 /* Request from an application */ 496 #define PM_K_RESPONSE 3 /* From patmgr to application */ 497 #define PM_ERROR 4 /* Error returned by the patmgr */ 498 int device; 499 int command; 500 501 /* 502 * Commands 0x000 to 0xfff reserved for patch manager programs 503 */ 504 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 505 #define PMTYPE_FM2 1 /* 2 OP fm */ 506 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 507 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 508 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 509 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 510 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 511 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 512 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 513 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 514 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 515 516 /* 517 * Commands 0x1000 to 0xffff are for communication between the patch manager 518 * and the client 519 */ 520 #define _PM_LOAD_PATCH 0x100 521 522 /* 523 * Commands above 0xffff reserved for device specific use 524 */ 525 526 long parm1; 527 long parm2; 528 long parm3; 529 530 union { 531 u_char data8[4000]; 532 u_short data16[2000]; 533 u_long data32[1000]; 534 struct patch_info patch; 535 } data; 536 }; 537 538 /* 539 * When a patch manager daemon is present, it will be informed by the 540 * driver when something important happens. For example when the 541 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 542 * returned. The command field contains the event type: 543 */ 544 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 545 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 546 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 547 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 548 549 /* 550 * /dev/sequencer input events. 551 * 552 * The data written to the /dev/sequencer is a stream of events. Events 553 * are records of 4 or 8 bytes. The first byte defines the size. 554 * Any number of events can be written with a write call. There 555 * is a set of macros for sending these events. Use these macros if you 556 * want to maximize portability of your program. 557 * 558 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 559 * (All input events are currently 4 bytes long. Be prepared to support 560 * 8 byte events also. If you receive any event having first byte >= 128, 561 * it's a 8 byte event. 562 * 563 * The events are documented at the end of this file. 564 * 565 * Normal events (4 bytes) 566 * There is also a 8 byte version of most of the 4 byte events. The 567 * 8 byte one is recommended. 568 */ 569 #define SEQ_NOTEOFF 0 570 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 571 #define SEQ_NOTEON 1 572 #define SEQ_FMNOTEON SEQ_NOTEON 573 #define SEQ_WAIT TMR_WAIT_ABS 574 #define SEQ_PGMCHANGE 3 575 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 576 #define SEQ_SYNCTIMER TMR_START 577 #define SEQ_MIDIPUTC 5 578 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 579 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 580 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 581 #define SEQ_AFTERTOUCH 9 582 #define SEQ_CONTROLLER 10 583 584 /* 585 * Midi controller numbers 586 * 587 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 588 * are continuous controllers. 589 * In the MIDI 1.0 these controllers are sent using two messages. 590 * Controller numbers 0 to 31 are used to send the MSB and the 591 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 592 * are used in MIDI bytes. 593 */ 594 595 #define CTL_BANK_SELECT 0x00 596 #define CTL_MODWHEEL 0x01 597 #define CTL_BREATH 0x02 598 /* undefined 0x03 */ 599 #define CTL_FOOT 0x04 600 #define CTL_PORTAMENTO_TIME 0x05 601 #define CTL_DATA_ENTRY 0x06 602 #define CTL_MAIN_VOLUME 0x07 603 #define CTL_BALANCE 0x08 604 /* undefined 0x09 */ 605 #define CTL_PAN 0x0a 606 #define CTL_EXPRESSION 0x0b 607 /* undefined 0x0c - 0x0f */ 608 #define CTL_GENERAL_PURPOSE1 0x10 609 #define CTL_GENERAL_PURPOSE2 0x11 610 #define CTL_GENERAL_PURPOSE3 0x12 611 #define CTL_GENERAL_PURPOSE4 0x13 612 /* undefined 0x14 - 0x1f */ 613 614 /* undefined 0x20 */ 615 616 /* 617 * The controller numbers 0x21 to 0x3f are reserved for the 618 * least significant bytes of the controllers 0x00 to 0x1f. 619 * These controllers are not recognised by the driver. 620 * 621 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 622 * 0=OFF and 127=ON (intermediate values are possible) 623 */ 624 #define CTL_DAMPER_PEDAL 0x40 625 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 626 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 627 #define CTL_PORTAMENTO 0x41 628 #define CTL_SOSTENUTO 0x42 629 #define CTL_SOFT_PEDAL 0x43 630 /* undefined 0x44 */ 631 #define CTL_HOLD2 0x45 632 /* undefined 0x46 - 0x4f */ 633 634 #define CTL_GENERAL_PURPOSE5 0x50 635 #define CTL_GENERAL_PURPOSE6 0x51 636 #define CTL_GENERAL_PURPOSE7 0x52 637 #define CTL_GENERAL_PURPOSE8 0x53 638 /* undefined 0x54 - 0x5a */ 639 #define CTL_EXT_EFF_DEPTH 0x5b 640 #define CTL_TREMOLO_DEPTH 0x5c 641 #define CTL_CHORUS_DEPTH 0x5d 642 #define CTL_DETUNE_DEPTH 0x5e 643 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 644 #define CTL_PHASER_DEPTH 0x5f 645 #define CTL_DATA_INCREMENT 0x60 646 #define CTL_DATA_DECREMENT 0x61 647 #define CTL_NONREG_PARM_NUM_LSB 0x62 648 #define CTL_NONREG_PARM_NUM_MSB 0x63 649 #define CTL_REGIST_PARM_NUM_LSB 0x64 650 #define CTL_REGIST_PARM_NUM_MSB 0x65 651 /* undefined 0x66 - 0x78 */ 652 /* reserved 0x79 - 0x7f */ 653 654 /* Pseudo controllers (not midi compatible) */ 655 #define CTRL_PITCH_BENDER 255 656 #define CTRL_PITCH_BENDER_RANGE 254 657 #define CTRL_EXPRESSION 253 /* Obsolete */ 658 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 659 660 #define SEQ_BALANCE 11 661 #define SEQ_VOLMODE 12 662 663 /* 664 * Volume mode decides how volumes are used 665 */ 666 667 #define VOL_METHOD_ADAGIO 1 668 #define VOL_METHOD_LINEAR 2 669 670 /* 671 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 672 * input events. 673 */ 674 675 /* 676 * Event codes 0xf0 to 0xfc are reserved for future extensions. 677 */ 678 679 #define SEQ_FULLSIZE 0xfd /* Long events */ 680 /* 681 * SEQ_FULLSIZE events are used for loading patches/samples to the 682 * synthesizer devices. These events are passed directly to the driver 683 * of the associated synthesizer device. There is no limit to the size 684 * of the extended events. These events are not queued but executed 685 * immediately when the write() is called (execution can take several 686 * seconds of time). 687 * 688 * When a SEQ_FULLSIZE message is written to the device, it must 689 * be written using exactly one write() call. Other events cannot 690 * be mixed to the same write. 691 * 692 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 693 * it to the /dev/sequencer. Don't write other data together with 694 * the instrument structure Set the key field of the structure to 695 * FM_PATCH. The device field is used to route the patch to the 696 * corresponding device. 697 * 698 * For Gravis UltraSound use struct patch_info. Initialize the key field 699 * to GUS_PATCH. 700 */ 701 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 702 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 703 704 /* 705 * Record for FM patches 706 */ 707 708 typedef u_char sbi_instr_data[32]; 709 710 struct sbi_instrument { 711 u_short key; /* FM_PATCH or OPL3_PATCH */ 712 #define FM_PATCH _PATCHKEY(0x01) 713 #define OPL3_PATCH _PATCHKEY(0x03) 714 short device; /* Synth# (0-4) */ 715 int channel; /* Program# to be initialized */ 716 sbi_instr_data operators; /* Reg. settings for operator cells 717 * (.SBI format) */ 718 }; 719 720 struct synth_info { /* Read only */ 721 char name[30]; 722 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 723 int synth_type; 724 #define SYNTH_TYPE_FM 0 725 #define SYNTH_TYPE_SAMPLE 1 726 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 727 728 int synth_subtype; 729 #define FM_TYPE_ADLIB 0x00 730 #define FM_TYPE_OPL3 0x01 731 #define MIDI_TYPE_MPU401 0x401 732 733 #define SAMPLE_TYPE_BASIC 0x10 734 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 735 #define SAMPLE_TYPE_AWE32 0x20 736 737 int perc_mode; /* No longer supported */ 738 int nr_voices; 739 int nr_drums; /* Obsolete field */ 740 int instr_bank_size; 741 u_long capabilities; 742 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 743 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 744 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 745 int dummies[19]; /* Reserve space */ 746 }; 747 748 struct sound_timer_info { 749 char name[32]; 750 int caps; 751 }; 752 753 struct midi_info { 754 char name[30]; 755 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 756 u_long capabilities; /* To be defined later */ 757 int dev_type; 758 int dummies[18]; /* Reserve space */ 759 }; 760 761 /* 762 * ioctl commands for the /dev/midi## 763 */ 764 typedef struct { 765 u_char cmd; 766 char nr_args, nr_returns; 767 u_char data[30]; 768 } mpu_command_rec; 769 770 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 771 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 772 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 773 #define MIOSPASSTHRU _IOWR('m', 3, int) 774 #define MIOGPASSTHRU _IOWR('m', 4, int) 775 776 /* 777 * IOCTL commands for /dev/dsp and /dev/audio 778 */ 779 780 #define SNDCTL_DSP_HALT _IO ('P', 0) 781 #define SNDCTL_DSP_RESET SNDCTL_DSP_HALT 782 #define SNDCTL_DSP_SYNC _IO ('P', 1) 783 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 784 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 785 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 786 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 787 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 788 789 /* 790 * SOUND_PCM_WRITE_CHANNELS is not that different 791 * from SNDCTL_DSP_STEREO 792 */ 793 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 794 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 795 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 796 #define SNDCTL_DSP_POST _IO ('P', 8) 797 798 /* 799 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 800 * the same thing, i.e. set the block size used in DMA transfers. 801 */ 802 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 803 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 804 805 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 806 /* 807 * Buffer status queries. 808 */ 809 typedef struct audio_buf_info { 810 int fragments; /* # of avail. frags (partly used ones not counted) */ 811 int fragstotal; /* Total # of fragments allocated */ 812 int fragsize; /* Size of a fragment in bytes */ 813 814 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 815 /* Note! 'bytes' could be more than fragments*fragsize */ 816 } audio_buf_info; 817 818 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 819 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 820 821 /* 822 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 823 * action cannot be undone) of FIONBIO. The same can be achieved 824 * by opening the device with O_NDELAY 825 */ 826 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 827 828 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 829 # define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 830 # define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 831 # define PCM_CAP_REALTIME 0x00000200 /* Not in use */ 832 # define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */ 833 /* internal buffers which may */ 834 /* cause some delays and */ 835 /* decrease precision of timing */ 836 # define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */ 837 /* Sometimes it's a DSP */ 838 /* but usually not */ 839 # define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 840 # define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */ 841 # define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */ 842 # define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */ 843 # define PCM_CAP_INPUT 0x00010000 /* Supports recording */ 844 # define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */ 845 # define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */ 846 /* 0x00040000 and 0x00080000 reserved for future use */ 847 848 /* Analog/digital control capabilities */ 849 # define PCM_CAP_ANALOGOUT 0x00100000 850 # define PCM_CAP_ANALOGIN 0x00200000 851 # define PCM_CAP_DIGITALOUT 0x00400000 852 # define PCM_CAP_DIGITALIN 0x00800000 853 # define PCM_CAP_ADMASK 0x00f00000 854 /* 855 * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the 856 * digital/analog interface control features are not supported by the 857 * device/driver. However the device still supports analog, digital or 858 * both inputs/outputs (depending on the device). See the OSS Programmer's 859 * Guide for full details. 860 */ 861 # define PCM_CAP_SPECIAL 0x01000000 /* Not for ordinary "multimedia" use */ 862 # define PCM_CAP_SHADOW 0x00000000 /* OBSOLETE */ 863 864 /* 865 * Preferred channel usage. These bits can be used to 866 * give recommendations to the application. Used by few drivers. 867 * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that 868 * the device works best in mono mode. However it doesn't necessarily mean 869 * that the device cannot be used in stereo. These bits should only be used 870 * by special applications such as multi track hard disk recorders to find 871 * out the initial setup. However the user should be able to override this 872 * selection. 873 * 874 * To find out which modes are actually supported the application should 875 * try to select them using SNDCTL_DSP_CHANNELS. 876 */ 877 # define DSP_CH_MASK 0x06000000 /* Mask */ 878 # define DSP_CH_ANY 0x00000000 /* No preferred mode */ 879 # define DSP_CH_MONO 0x02000000 880 # define DSP_CH_STEREO 0x04000000 881 # define DSP_CH_MULTI 0x06000000 /* More than two channels */ 882 883 # define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */ 884 # define PCM_CAP_FREERATE 0x10000000 885 # define PCM_CAP_MODEM 0x20000000 /* Modem device */ 886 # define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */ 887 888 /* 889 * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0 890 * so it's necessary to define the older names too. 891 */ 892 #define DSP_CAP_ADMASK PCM_CAP_ADMASK 893 #define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN 894 #define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT 895 #define DSP_CAP_BATCH PCM_CAP_BATCH 896 #define DSP_CAP_BIND PCM_CAP_BIND 897 #define DSP_CAP_COPROC PCM_CAP_COPROC 898 #define DSP_CAP_DEFAULT PCM_CAP_DEFAULT 899 #define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN 900 #define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT 901 #define DSP_CAP_DUPLEX PCM_CAP_DUPLEX 902 #define DSP_CAP_FREERATE PCM_CAP_FREERATE 903 #define DSP_CAP_HIDDEN PCM_CAP_HIDDEN 904 #define DSP_CAP_INPUT PCM_CAP_INPUT 905 #define DSP_CAP_MMAP PCM_CAP_MMAP 906 #define DSP_CAP_MODEM PCM_CAP_MODEM 907 #define DSP_CAP_MULTI PCM_CAP_MULTI 908 #define DSP_CAP_OUTPUT PCM_CAP_OUTPUT 909 #define DSP_CAP_REALTIME PCM_CAP_REALTIME 910 #define DSP_CAP_REVISION PCM_CAP_REVISION 911 #define DSP_CAP_SHADOW PCM_CAP_SHADOW 912 #define DSP_CAP_TRIGGER PCM_CAP_TRIGGER 913 #define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL 914 915 /* 916 * What do these function do ? 917 */ 918 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 919 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 920 #define PCM_ENABLE_INPUT 0x00000001 921 #define PCM_ENABLE_OUTPUT 0x00000002 922 923 typedef struct count_info { 924 int bytes; /* Total # of bytes processed */ 925 int blocks; /* # of fragment transitions since last time */ 926 int ptr; /* Current DMA pointer value */ 927 } count_info; 928 929 /* 930 * GETIPTR and GETISPACE are not that different... same for out. 931 */ 932 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 933 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 934 935 typedef struct buffmem_desc { 936 caddr_t buffer; 937 int size; 938 } buffmem_desc; 939 940 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 941 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 942 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 943 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 944 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 945 946 /* 947 * I guess these are the readonly version of the same 948 * functions that exist above as SNDCTL_DSP_... 949 */ 950 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 951 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 952 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 953 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 954 955 /* 956 * ioctl calls to be used in communication with coprocessors and 957 * DSP chips. 958 */ 959 960 typedef struct copr_buffer { 961 int command; /* Set to 0 if not used */ 962 int flags; 963 #define CPF_NONE 0x0000 964 #define CPF_FIRST 0x0001 /* First block */ 965 #define CPF_LAST 0x0002 /* Last block */ 966 int len; 967 int offs; /* If required by the device (0 if not used) */ 968 969 u_char data[4000]; /* NOTE! 4000 is not 4k */ 970 } copr_buffer; 971 972 typedef struct copr_debug_buf { 973 int command; /* Used internally. Set to 0 */ 974 int parm1; 975 int parm2; 976 int flags; 977 int len; /* Length of data in bytes */ 978 } copr_debug_buf; 979 980 typedef struct copr_msg { 981 int len; 982 u_char data[4000]; 983 } copr_msg; 984 985 #define SNDCTL_COPR_RESET _IO ('C', 0) 986 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 987 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 988 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 989 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 990 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 991 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 992 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 993 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 994 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 995 996 /* 997 * IOCTL commands for /dev/mixer 998 */ 999 1000 /* 1001 * Mixer devices 1002 * 1003 * There can be up to 20 different analog mixer channels. The 1004 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 1005 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 1006 * the devices supported by the particular mixer. 1007 */ 1008 1009 #define SOUND_MIXER_NRDEVICES 25 1010 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 1011 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 1012 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 1013 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 1014 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 1015 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 1016 * signals */ 1017 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 1018 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 1019 * the microphone jack */ 1020 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 1021 * connected to the CD audio input */ 1022 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 1023 * output volume of the selected 1024 * recording sources while recording */ 1025 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 1026 * device */ 1027 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 1028 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 1029 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 1030 /* 1031 * The AD1848 codec and compatibles have three line level inputs 1032 * (line, aux1 and aux2). Since each card manufacturer have assigned 1033 * different meanings to these inputs, it's inpractical to assign 1034 * specific meanings (line, cd, synth etc.) to them. 1035 */ 1036 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 1037 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 1038 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 1039 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 1040 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 1041 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 1042 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 1043 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 1044 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 1045 #define SOUND_MIXER_RADIO 23 /* Radio in */ 1046 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 1047 1048 /* 1049 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 1050 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 1051 */ 1052 #define SOUND_ONOFF_MIN 28 1053 #define SOUND_ONOFF_MAX 30 1054 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 1055 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 1056 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 1057 1058 /* Note! Number 31 cannot be used since the sign bit is reserved */ 1059 #define SOUND_MIXER_NONE 31 1060 1061 #define SOUND_DEVICE_LABELS { \ 1062 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 1063 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 1064 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 1065 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 1066 1067 #define SOUND_DEVICE_NAMES { \ 1068 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 1069 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 1070 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 1071 "phin", "phout", "video", "radio", "monitor"} 1072 1073 /* Device bitmask identifiers */ 1074 1075 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 1076 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 1077 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 1078 #define SOUND_MIXER_CAPS 0xfc 1079 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 1080 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 1081 1082 /* Device mask bits */ 1083 1084 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 1085 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 1086 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 1087 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 1088 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 1089 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 1090 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 1091 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 1092 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 1093 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 1094 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 1095 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 1096 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 1097 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 1098 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 1099 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 1100 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1101 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1102 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1103 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1104 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1105 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1106 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1107 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1108 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1109 1110 /* Obsolete macros */ 1111 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1112 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1113 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1114 1115 #define MIXER_READ(dev) _IOR('M', dev, int) 1116 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1117 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1118 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1119 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1120 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1121 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1122 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1123 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1124 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1125 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1126 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1127 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1128 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1129 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1130 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1131 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1132 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1133 #define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1134 #define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1135 #define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1136 #define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1137 #define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1138 #define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1139 #define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1140 #define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1141 1142 /* Obsolete macros */ 1143 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1144 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1145 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1146 1147 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1148 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1149 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1150 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1151 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1152 1153 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1154 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1155 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1156 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1157 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1158 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1159 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1160 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1161 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1162 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1163 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1164 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1165 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1166 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1167 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1168 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1169 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1170 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1171 #define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1172 #define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1173 #define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1174 #define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1175 #define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1176 #define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1177 #define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1178 #define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1179 1180 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1181 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1182 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1183 1184 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1185 1186 typedef struct mixer_info { 1187 char id[16]; 1188 char name[32]; 1189 int modify_counter; 1190 int fillers[10]; 1191 } mixer_info; 1192 1193 #define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 1194 1195 #define LEFT_CHN 0 1196 #define RIGHT_CHN 1 1197 1198 /* 1199 * Level 2 event types for /dev/sequencer 1200 */ 1201 1202 /* 1203 * The 4 most significant bits of byte 0 specify the class of 1204 * the event: 1205 * 1206 * 0x8X = system level events, 1207 * 0x9X = device/port specific events, event[1] = device/port, 1208 * The last 4 bits give the subtype: 1209 * 0x02 = Channel event (event[3] = chn). 1210 * 0x01 = note event (event[4] = note). 1211 * (0x01 is not used alone but always with bit 0x02). 1212 * event[2] = MIDI message code (0x80=note off etc.) 1213 * 1214 */ 1215 1216 #define EV_SEQ_LOCAL 0x80 1217 #define EV_TIMING 0x81 1218 #define EV_CHN_COMMON 0x92 1219 #define EV_CHN_VOICE 0x93 1220 #define EV_SYSEX 0x94 1221 /* 1222 * Event types 200 to 220 are reserved for application use. 1223 * These numbers will not be used by the driver. 1224 */ 1225 1226 /* 1227 * Events for event type EV_CHN_VOICE 1228 */ 1229 1230 #define MIDI_NOTEOFF 0x80 1231 #define MIDI_NOTEON 0x90 1232 #define MIDI_KEY_PRESSURE 0xA0 1233 1234 /* 1235 * Events for event type EV_CHN_COMMON 1236 */ 1237 1238 #define MIDI_CTL_CHANGE 0xB0 1239 #define MIDI_PGM_CHANGE 0xC0 1240 #define MIDI_CHN_PRESSURE 0xD0 1241 #define MIDI_PITCH_BEND 0xE0 1242 1243 #define MIDI_SYSTEM_PREFIX 0xF0 1244 1245 /* 1246 * Timer event types 1247 */ 1248 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1249 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1250 #define TMR_STOP 3 1251 #define TMR_START 4 1252 #define TMR_CONTINUE 5 1253 #define TMR_TEMPO 6 1254 #define TMR_ECHO 8 1255 #define TMR_CLOCK 9 /* MIDI clock */ 1256 #define TMR_SPP 10 /* Song position pointer */ 1257 #define TMR_TIMESIG 11 /* Time signature */ 1258 1259 /* 1260 * Local event types 1261 */ 1262 #define LOCL_STARTAUDIO 1 1263 1264 #if !defined(_KERNEL) || defined(USE_SEQ_MACROS) 1265 /* 1266 * Some convenience macros to simplify programming of the 1267 * /dev/sequencer interface 1268 * 1269 * These macros define the API which should be used when possible. 1270 */ 1271 1272 #ifndef USE_SIMPLE_MACROS 1273 void seqbuf_dump(void); /* This function must be provided by programs */ 1274 1275 /* Sample seqbuf_dump() implementation: 1276 * 1277 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1278 * 1279 * int seqfd; -- The file descriptor for /dev/sequencer. 1280 * 1281 * void 1282 * seqbuf_dump () 1283 * { 1284 * if (_seqbufptr) 1285 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1286 * { 1287 * perror ("write /dev/sequencer"); 1288 * exit (-1); 1289 * } 1290 * _seqbufptr = 0; 1291 * } 1292 */ 1293 1294 #define SEQ_DEFINEBUF(len) \ 1295 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1296 #define SEQ_USE_EXTBUF() \ 1297 extern u_char _seqbuf[]; \ 1298 extern int _seqbuflen;extern int _seqbufptr 1299 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1300 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1301 #define _SEQ_NEEDBUF(len) \ 1302 if ((_seqbufptr+(len)) > _seqbuflen) \ 1303 seqbuf_dump() 1304 #define _SEQ_ADVBUF(len) _seqbufptr += len 1305 #define SEQ_DUMPBUF seqbuf_dump 1306 #else 1307 /* 1308 * This variation of the sequencer macros is used just to format one event 1309 * using fixed buffer. 1310 * 1311 * The program using the macro library must define the following macros before 1312 * using this library. 1313 * 1314 * #define _seqbuf name of the buffer (u_char[]) 1315 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1316 * size of the event, this macro can be used. 1317 * Otherwise this must be defined as empty. 1318 * #define _seqbufptr Define the name of index variable or 0 if 1319 * not required. 1320 */ 1321 #define _SEQ_NEEDBUF(len) /* empty */ 1322 #endif 1323 1324 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1325 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1326 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1327 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1328 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1329 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1330 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1331 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1332 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1333 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1334 1335 #define SEQ_VOLUME_MODE(dev, mode) { \ 1336 _SEQ_NEEDBUF(8);\ 1337 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1338 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1339 _seqbuf[_seqbufptr+2] = (dev);\ 1340 _seqbuf[_seqbufptr+3] = (mode);\ 1341 _seqbuf[_seqbufptr+4] = 0;\ 1342 _seqbuf[_seqbufptr+5] = 0;\ 1343 _seqbuf[_seqbufptr+6] = 0;\ 1344 _seqbuf[_seqbufptr+7] = 0;\ 1345 _SEQ_ADVBUF(8);} 1346 1347 /* 1348 * Midi voice messages 1349 */ 1350 1351 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1352 _SEQ_NEEDBUF(8);\ 1353 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1354 _seqbuf[_seqbufptr+1] = (dev);\ 1355 _seqbuf[_seqbufptr+2] = (event);\ 1356 _seqbuf[_seqbufptr+3] = (chn);\ 1357 _seqbuf[_seqbufptr+4] = (note);\ 1358 _seqbuf[_seqbufptr+5] = (parm);\ 1359 _seqbuf[_seqbufptr+6] = (0);\ 1360 _seqbuf[_seqbufptr+7] = 0;\ 1361 _SEQ_ADVBUF(8);} 1362 1363 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1364 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1365 1366 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1367 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1368 1369 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1370 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1371 1372 /* 1373 * Midi channel messages 1374 */ 1375 1376 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1377 _SEQ_NEEDBUF(8);\ 1378 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1379 _seqbuf[_seqbufptr+1] = (dev);\ 1380 _seqbuf[_seqbufptr+2] = (event);\ 1381 _seqbuf[_seqbufptr+3] = (chn);\ 1382 _seqbuf[_seqbufptr+4] = (p1);\ 1383 _seqbuf[_seqbufptr+5] = (p2);\ 1384 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1385 _SEQ_ADVBUF(8);} 1386 /* 1387 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1388 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1389 * so _will_ cause problems with MPU401 intelligent mode). 1390 * 1391 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1392 * sent by calling SEQ_SYSEX() several times (there must be no other events 1393 * between them). First sysex fragment must have 0xf0 in the first byte 1394 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1395 * between these sysex start and end markers cannot be larger than 0x7f. Also 1396 * lengths of each fragments (except the last one) must be 6. 1397 * 1398 * Breaking the above rules may work with some MIDI ports but is likely to 1399 * cause fatal problems with some other devices (such as MPU401). 1400 */ 1401 #define SEQ_SYSEX(dev, buf, len) { \ 1402 int i, l=(len); if (l>6)l=6;\ 1403 _SEQ_NEEDBUF(8);\ 1404 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1405 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+1] = (buf)[i];\ 1406 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+1] = 0xff;\ 1407 _SEQ_ADVBUF(8);} 1408 1409 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1410 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1411 1412 #define SEQ_SET_PATCH(dev, chn, patch) \ 1413 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1414 1415 #define SEQ_CONTROL(dev, chn, controller, value) \ 1416 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1417 1418 #define SEQ_BENDER(dev, chn, value) \ 1419 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1420 1421 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1422 _SEQ_NEEDBUF(8);\ 1423 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1424 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1425 _seqbuf[_seqbufptr+2] = (dev);\ 1426 _seqbuf[_seqbufptr+3] = (voice);\ 1427 _seqbuf[_seqbufptr+4] = (controller);\ 1428 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1429 _seqbuf[_seqbufptr+7] = 0;\ 1430 _SEQ_ADVBUF(8);} 1431 1432 /* 1433 * The following 5 macros are incorrectly implemented and obsolete. 1434 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1435 */ 1436 1437 #define SEQ_PITCHBEND(dev, voice, value) \ 1438 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1439 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1440 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1441 #define SEQ_EXPRESSION(dev, voice, value) \ 1442 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1443 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1444 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1445 #define SEQ_PANNING(dev, voice, pos) \ 1446 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1447 1448 /* 1449 * Timing and synchronization macros 1450 */ 1451 1452 #define _TIMER_EVENT(ev, parm) { \ 1453 _SEQ_NEEDBUF(8);\ 1454 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1455 _seqbuf[_seqbufptr+1] = (ev); \ 1456 _seqbuf[_seqbufptr+2] = 0;\ 1457 _seqbuf[_seqbufptr+3] = 0;\ 1458 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1459 _SEQ_ADVBUF(8); \ 1460 } 1461 1462 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1463 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1464 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1465 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1466 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1467 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1468 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1469 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1470 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1471 1472 /* 1473 * Local control events 1474 */ 1475 1476 #define _LOCAL_EVENT(ev, parm) { \ 1477 _SEQ_NEEDBUF(8);\ 1478 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1479 _seqbuf[_seqbufptr+1] = (ev); \ 1480 _seqbuf[_seqbufptr+2] = 0;\ 1481 _seqbuf[_seqbufptr+3] = 0;\ 1482 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1483 _SEQ_ADVBUF(8); \ 1484 } 1485 1486 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1487 /* 1488 * Events for the level 1 interface only 1489 */ 1490 1491 #define SEQ_MIDIOUT(device, byte) { \ 1492 _SEQ_NEEDBUF(4);\ 1493 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1494 _seqbuf[_seqbufptr+1] = (byte);\ 1495 _seqbuf[_seqbufptr+2] = (device);\ 1496 _seqbuf[_seqbufptr+3] = 0;\ 1497 _SEQ_ADVBUF(4);} 1498 1499 /* 1500 * Patch loading. 1501 */ 1502 #define SEQ_WRPATCH(patchx, len) { \ 1503 if (_seqbufptr) seqbuf_dump(); \ 1504 if (write(seqfd, (char*)(patchx), len)==-1) \ 1505 perror("Write patch: /dev/sequencer"); \ 1506 } 1507 1508 #define SEQ_WRPATCH2(patchx, len) \ 1509 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1510 1511 #endif 1512 1513 /* 1514 * Here I have moved all the aliases for ioctl names. 1515 */ 1516 1517 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1518 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1519 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1520 1521 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1522 #define SOUND_PCM_POST SNDCTL_DSP_POST 1523 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1524 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1525 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1526 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1527 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1528 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1529 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1530 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1531 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1532 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1533 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1534 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1535 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1536 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1537 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1538 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1539 1540 /***********************************************************************/ 1541 1542 /** 1543 * XXX OSSv4 defines -- some bits taken straight out of the new 1544 * sys/soundcard.h bundled with recent OSS releases. 1545 * 1546 * NB: These macros and structures will be reorganized and inserted 1547 * in appropriate places throughout this file once the code begins 1548 * to take shape. 1549 * 1550 * @todo reorganize layout more like the 4Front version 1551 * @todo ask about maintaining __SIOWR vs. _IOWR ioctl cmd defines 1552 */ 1553 1554 /** 1555 * @note The @c OSSV4_EXPERIMENT macro is meant to wrap new development code 1556 * in the sound system relevant to adopting 4Front's OSSv4 specification. 1557 * Users should not enable this! Really! 1558 */ 1559 #if 0 1560 # define OSSV4_EXPERIMENT 1 1561 #else 1562 # undef OSSV4_EXPERIMENT 1563 #endif 1564 1565 #ifdef SOUND_VERSION 1566 # undef SOUND_VERSION 1567 # define SOUND_VERSION 0x040000 1568 #endif /* !SOUND_VERSION */ 1569 1570 #define OSS_LONGNAME_SIZE 64 1571 #define OSS_LABEL_SIZE 16 1572 #define OSS_DEVNODE_SIZE 32 1573 typedef char oss_longname_t[OSS_LONGNAME_SIZE]; 1574 typedef char oss_label_t[OSS_LABEL_SIZE]; 1575 typedef char oss_devnode_t[OSS_DEVNODE_SIZE]; 1576 1577 typedef struct audio_errinfo 1578 { 1579 int play_underruns; 1580 int rec_overruns; 1581 unsigned int play_ptradjust; 1582 unsigned int rec_ptradjust; 1583 int play_errorcount; 1584 int rec_errorcount; 1585 int play_lasterror; 1586 int rec_lasterror; 1587 long play_errorparm; 1588 long rec_errorparm; 1589 int filler[16]; 1590 } audio_errinfo; 1591 1592 #define SNDCTL_DSP_GETPLAYVOL _IOR ('P', 24, int) 1593 #define SNDCTL_DSP_SETPLAYVOL _IOWR('P', 24, int) 1594 #define SNDCTL_DSP_GETERROR _IOR ('P', 25, audio_errinfo) 1595 1596 /* 1597 **************************************************************************** 1598 * Sync groups for audio devices 1599 */ 1600 typedef struct oss_syncgroup 1601 { 1602 int id; 1603 int mode; 1604 int filler[16]; 1605 } oss_syncgroup; 1606 1607 #define SNDCTL_DSP_SYNCGROUP _IOWR('P', 28, oss_syncgroup) 1608 #define SNDCTL_DSP_SYNCSTART _IOW ('P', 29, int) 1609 1610 /* 1611 ************************************************************************** 1612 * "cooked" mode enables software based conversions for sample rate, sample 1613 * format (bits) and number of channels (mono/stereo). These conversions are 1614 * required with some devices that support only one sample rate or just stereo 1615 * to let the applications to use other formats. The cooked mode is enabled by 1616 * default. However it's necessary to disable this mode when mmap() is used or 1617 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an 1618 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_ 1619 * since normally this call will return erno=EINVAL. 1620 * 1621 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing 1622 * anything else. Otherwise the call will not have any effect. 1623 */ 1624 #define SNDCTL_DSP_COOKEDMODE _IOW ('P', 30, int) 1625 1626 /* 1627 ************************************************************************** 1628 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0 1629 * that can be used to implement pause/continue during playback (no effect 1630 * on recording). 1631 */ 1632 #define SNDCTL_DSP_SILENCE _IO ('P', 31) 1633 #define SNDCTL_DSP_SKIP _IO ('P', 32) 1634 1635 /* 1636 **************************************************************************** 1637 * Abort transfer (reset) functions for input and output 1638 */ 1639 #define SNDCTL_DSP_HALT_INPUT _IO ('P', 33) 1640 #define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */ 1641 #define SNDCTL_DSP_HALT_OUTPUT _IO ('P', 34) 1642 #define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */ 1643 1644 /* 1645 **************************************************************************** 1646 * Low water level control 1647 */ 1648 #define SNDCTL_DSP_LOW_WATER _IOW ('P', 34, int) 1649 1650 /** @todo Get rid of OSS_NO_LONG_LONG references? */ 1651 1652 /* 1653 **************************************************************************** 1654 * 64 bit pointer support. Only available in environments that support 1655 * the 64 bit (long long) integer type. 1656 */ 1657 #ifndef OSS_NO_LONG_LONG 1658 typedef struct 1659 { 1660 long long samples; 1661 int fifo_samples; 1662 int filler[32]; /* For future use */ 1663 } oss_count_t; 1664 1665 #define SNDCTL_DSP_CURRENT_IPTR _IOR ('P', 35, oss_count_t) 1666 #define SNDCTL_DSP_CURRENT_OPTR _IOR ('P', 36, oss_count_t) 1667 #endif 1668 1669 /* 1670 **************************************************************************** 1671 * Interface for selecting recording sources and playback output routings. 1672 */ 1673 #define SNDCTL_DSP_GET_RECSRC_NAMES _IOR ('P', 37, oss_mixer_enuminfo) 1674 #define SNDCTL_DSP_GET_RECSRC _IOR ('P', 38, int) 1675 #define SNDCTL_DSP_SET_RECSRC _IOWR('P', 38, int) 1676 1677 #define SNDCTL_DSP_GET_PLAYTGT_NAMES _IOR ('P', 39, oss_mixer_enuminfo) 1678 #define SNDCTL_DSP_GET_PLAYTGT _IOR ('P', 40, int) 1679 #define SNDCTL_DSP_SET_PLAYTGT _IOWR('P', 40, int) 1680 #define SNDCTL_DSP_GETRECVOL _IOR ('P', 41, int) 1681 #define SNDCTL_DSP_SETRECVOL _IOWR('P', 41, int) 1682 1683 /* 1684 *************************************************************************** 1685 * Some calls for setting the channel assignment with multi channel devices 1686 * (see the manual for details). */ 1687 #define SNDCTL_DSP_GET_CHNORDER _IOR ('P', 42, unsigned long long) 1688 #define SNDCTL_DSP_SET_CHNORDER _IOWR('P', 42, unsigned long long) 1689 # define CHID_UNDEF 0 1690 # define CHID_L 1 1691 # define CHID_R 2 1692 # define CHID_C 3 1693 # define CHID_LFE 4 1694 # define CHID_LS 5 1695 # define CHID_RS 6 1696 # define CHID_LR 7 1697 # define CHID_RR 8 1698 #define CHNORDER_UNDEF 0x0000000000000000ULL 1699 #define CHNORDER_NORMAL 0x0000000087654321ULL 1700 1701 #define MAX_PEAK_CHANNELS 128 1702 typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS]; 1703 #define SNDCTL_DSP_GETIPEAKS _IOR('P', 43, oss_peaks_t) 1704 #define SNDCTL_DSP_GETOPEAKS _IOR('P', 44, oss_peaks_t) 1705 #define SNDCTL_DSP_POLICY _IOW('P', 45, int) /* See the manual */ 1706 1707 /* 1708 **************************************************************************** 1709 * Few ioctl calls that are not official parts of OSS. They have been used 1710 * by few freeware implementations of OSS. 1711 */ 1712 #define SNDCTL_DSP_GETCHANNELMASK _IOWR('P', 64, int) 1713 #define SNDCTL_DSP_BIND_CHANNEL _IOWR('P', 65, int) 1714 #define DSP_BIND_QUERY 0x00000000 1715 #define DSP_BIND_FRONT 0x00000001 1716 #define DSP_BIND_SURR 0x00000002 1717 #define DSP_BIND_CENTER_LFE 0x00000004 1718 #define DSP_BIND_HANDSET 0x00000008 1719 #define DSP_BIND_MIC 0x00000010 1720 #define DSP_BIND_MODEM1 0x00000020 1721 #define DSP_BIND_MODEM2 0x00000040 1722 #define DSP_BIND_I2S 0x00000080 1723 #define DSP_BIND_SPDIF 0x00000100 1724 #define DSP_BIND_REAR 0x00000200 1725 1726 /* 1727 * OSS_SYSIFO is obsolete. Use SNDCTL_SYSINFO insteads. 1728 */ 1729 #define OSS_GETVERSION _IOR ('M', 118, int) 1730 1731 /** 1732 * @brief Argument for SNDCTL_SYSINFO ioctl. 1733 * 1734 * For use w/ the SNDCTL_SYSINFO ioctl available on audio (/dev/dsp*), 1735 * mixer, and MIDI devices. 1736 */ 1737 typedef struct oss_sysinfo 1738 { 1739 char product[32]; /* For example OSS/Free, OSS/Linux or 1740 OSS/Solaris */ 1741 char version[32]; /* For example 4.0a */ 1742 int versionnum; /* See OSS_GETVERSION */ 1743 char options[128]; /* Reserved */ 1744 1745 int numaudios; /* # of audio/dsp devices */ 1746 int openedaudio[8]; /* Bit mask telling which audio devices 1747 are busy */ 1748 1749 int numsynths; /* # of availavle synth devices */ 1750 int nummidis; /* # of available MIDI ports */ 1751 int numtimers; /* # of available timer devices */ 1752 int nummixers; /* # of mixer devices */ 1753 1754 int openedmidi[8]; /* Bit mask telling which midi devices 1755 are busy */ 1756 int numcards; /* Number of sound cards in the system */ 1757 int numaudioengines; /* Number of audio engines in the system */ 1758 char license[16]; /* For example "GPL" or "CDDL" */ 1759 char revision_info[256]; /* For internal use */ 1760 int filler[172]; /* For future expansion (set to -1) */ 1761 } oss_sysinfo; 1762 1763 typedef struct oss_mixext 1764 { 1765 int dev; /* Mixer device number */ 1766 int ctrl; /* Controller number */ 1767 int type; /* Entry type */ 1768 # define MIXT_DEVROOT 0 /* Device root entry */ 1769 # define MIXT_GROUP 1 /* Controller group */ 1770 # define MIXT_ONOFF 2 /* OFF (0) or ON (1) */ 1771 # define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */ 1772 # define MIXT_MONOSLIDER 4 /* Mono slider (0 to 100) */ 1773 # define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 100) */ 1774 # define MIXT_MESSAGE 6 /* (Readable) textual message */ 1775 # define MIXT_MONOVU 7 /* VU meter value (mono) */ 1776 # define MIXT_STEREOVU 8 /* VU meter value (stereo) */ 1777 # define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */ 1778 # define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */ 1779 # define MIXT_RADIOGROUP 11 /* Radio button group */ 1780 # define MIXT_MARKER 12 /* Separator between normal and extension entries */ 1781 # define MIXT_VALUE 13 /* Decimal value entry */ 1782 # define MIXT_HEXVALUE 14 /* Hexadecimal value entry */ 1783 # define MIXT_MONODB 15 /* Mono atten. slider (0 to -144) */ 1784 # define MIXT_STEREODB 16 /* Stereo atten. slider (dual 0 to -144) */ 1785 # define MIXT_SLIDER 17 /* Slider (mono) with full integer range */ 1786 # define MIXT_3D 18 1787 1788 /* Possible value range (minvalue to maxvalue) */ 1789 /* Note that maxvalue may also be smaller than minvalue */ 1790 int maxvalue; 1791 int minvalue; 1792 1793 int flags; 1794 # define MIXF_READABLE 0x00000001 /* Has readable value */ 1795 # define MIXF_WRITEABLE 0x00000002 /* Has writeable value */ 1796 # define MIXF_POLL 0x00000004 /* May change itself */ 1797 # define MIXF_HZ 0x00000008 /* Herz scale */ 1798 # define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */ 1799 # define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */ 1800 # define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */ 1801 # define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */ 1802 # define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */ 1803 char id[16]; /* Mnemonic ID (mainly for internal use) */ 1804 int parent; /* Entry# of parent (group) node (-1 if root) */ 1805 1806 int dummy; /* Internal use */ 1807 1808 int timestamp; 1809 1810 char data[64]; /* Misc data (entry type dependent) */ 1811 unsigned char enum_present[32]; /* Mask of allowed enum values */ 1812 int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */ 1813 /* (-1 means not indicated) */ 1814 1815 /* 1816 * The desc field is reserved for internal purposes of OSS. It should not be 1817 * used by applications. 1818 */ 1819 unsigned int desc; 1820 #define MIXEXT_SCOPE_MASK 0x0000003f 1821 #define MIXEXT_SCOPE_OTHER 0x00000000 1822 #define MIXEXT_SCOPE_INPUT 0x00000001 1823 #define MIXEXT_SCOPE_OUTPUT 0x00000002 1824 #define MIXEXT_SCOPE_MONITOR 0x00000003 1825 #define MIXEXT_SCOPE_RECSWITCH 0x00000004 1826 1827 char extname[32]; 1828 int update_counter; 1829 int filler[7]; 1830 } oss_mixext; 1831 1832 typedef struct oss_mixext_root 1833 { 1834 char id[16]; 1835 char name[48]; 1836 } oss_mixext_root; 1837 1838 typedef struct oss_mixer_value 1839 { 1840 int dev; 1841 int ctrl; 1842 int value; 1843 int flags; /* Reserved for future use. Initialize to 0 */ 1844 int timestamp; /* Must be set to oss_mixext.timestamp */ 1845 int filler[8]; /* Reserved for future use. Initialize to 0 */ 1846 } oss_mixer_value; 1847 1848 #define OSS_ENUM_MAXVALUE 255 1849 typedef struct oss_mixer_enuminfo 1850 { 1851 int dev; 1852 int ctrl; 1853 int nvalues; 1854 int version; /* Read the manual */ 1855 short strindex[OSS_ENUM_MAXVALUE]; 1856 char strings[3000]; 1857 } oss_mixer_enuminfo; 1858 1859 #define OPEN_READ PCM_ENABLE_INPUT 1860 #define OPEN_WRITE PCM_ENABLE_OUTPUT 1861 #define OPEN_READWRITE (OPEN_READ|OPEN_WRITE) 1862 1863 /** 1864 * @brief Argument for SNDCTL_AUDIOINFO ioctl. 1865 * 1866 * For use w/ the SNDCTL_AUDIOINFO ioctl available on audio (/dev/dsp*) 1867 * devices. 1868 */ 1869 typedef struct oss_audioinfo 1870 { 1871 int dev; /* Audio device number */ 1872 char name[64]; 1873 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1874 int pid; 1875 int caps; /* DSP_CAP_INPUT, DSP_CAP_OUTPUT */ 1876 int iformats; 1877 int oformats; 1878 int magic; /* Reserved for internal use */ 1879 char cmd[64]; /* Command using the device (if known) */ 1880 int card_number; 1881 int port_number; 1882 int mixer_dev; 1883 int real_device; /* Obsolete field. Replaced by devnode */ 1884 int enabled; /* 1=enabled, 0=device not ready at this 1885 moment */ 1886 int flags; /* For internal use only - no practical 1887 meaning */ 1888 int min_rate; /* Sample rate limits */ 1889 int max_rate; 1890 int min_channels; /* Number of channels supported */ 1891 int max_channels; 1892 int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */ 1893 int rate_source; 1894 char handle[32]; 1895 #define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */ 1896 unsigned int nrates; 1897 unsigned int rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */ 1898 oss_longname_t song_name; /* Song name (if given) */ 1899 oss_label_t label; /* Device label (if given) */ 1900 int latency; /* In usecs, -1=unknown */ 1901 oss_devnode_t devnode; /* Device special file name (inside 1902 /dev) */ 1903 int next_play_engine; 1904 int next_rec_engine; 1905 int filler[184]; 1906 } oss_audioinfo; 1907 1908 typedef struct oss_mixerinfo 1909 { 1910 int dev; 1911 char id[16]; 1912 char name[32]; 1913 int modify_counter; 1914 int card_number; 1915 int port_number; 1916 char handle[32]; 1917 int magic; /* Reserved */ 1918 int enabled; /* Reserved */ 1919 int caps; 1920 #define MIXER_CAP_VIRTUAL 0x00000001 1921 int flags; /* Reserved */ 1922 int nrext; 1923 /* 1924 * The priority field can be used to select the default (motherboard) 1925 * mixer device. The mixer with the highest priority is the 1926 * most preferred one. -2 or less means that this device cannot be used 1927 * as the default mixer. 1928 */ 1929 int priority; 1930 int filler[254]; /* Reserved */ 1931 } oss_mixerinfo; 1932 1933 typedef struct oss_midi_info 1934 { 1935 int dev; /* Midi device number */ 1936 char name[64]; 1937 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1938 int pid; 1939 char cmd[64]; /* Command using the device (if known) */ 1940 int caps; 1941 #define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/ 1942 #define MIDI_CAP_INPUT 0x00000002 1943 #define MIDI_CAP_OUTPUT 0x00000004 1944 #define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT) 1945 #define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */ 1946 #define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */ 1947 #define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */ 1948 #define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */ 1949 #define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */ 1950 #define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */ 1951 #define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */ 1952 #define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */ 1953 int magic; /* Reserved for internal use */ 1954 int card_number; 1955 int port_number; 1956 int enabled; /* 1=enabled, 0=device not ready at this moment */ 1957 int flags; /* For internal use only - no practical meaning */ 1958 char handle[32]; 1959 oss_longname_t song_name; /* Song name (if known) */ 1960 oss_label_t label; /* Device label (if given) */ 1961 int latency; /* In usecs, -1=unknown */ 1962 int filler[244]; 1963 } oss_midi_info; 1964 1965 typedef struct oss_card_info 1966 { 1967 int card; 1968 char shortname[16]; 1969 char longname[128]; 1970 int flags; 1971 char hw_info[400]; 1972 int intr_count, ack_count; 1973 int filler[154]; 1974 } oss_card_info; 1975 1976 #define SNDCTL_SYSINFO _IOR ('X', 1, oss_sysinfo) 1977 #define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */ 1978 1979 #define SNDCTL_MIX_NRMIX _IOR ('X', 2, int) 1980 #define SNDCTL_MIX_NREXT _IOWR('X', 3, int) 1981 #define SNDCTL_MIX_EXTINFO _IOWR('X', 4, oss_mixext) 1982 #define SNDCTL_MIX_READ _IOWR('X', 5, oss_mixer_value) 1983 #define SNDCTL_MIX_WRITE _IOWR('X', 6, oss_mixer_value) 1984 1985 #define SNDCTL_AUDIOINFO _IOWR('X', 7, oss_audioinfo) 1986 #define SNDCTL_MIX_ENUMINFO _IOWR('X', 8, oss_mixer_enuminfo) 1987 #define SNDCTL_MIDIINFO _IOWR('X', 9, oss_midi_info) 1988 #define SNDCTL_MIXERINFO _IOWR('X',10, oss_mixerinfo) 1989 #define SNDCTL_CARDINFO _IOWR('X',11, oss_card_info) 1990 #define SNDCTL_ENGINEINFO _IOWR('X',12, oss_audioinfo) 1991 #define SNDCTL_AUDIOINFO_EX _IOWR('X',13, oss_audioinfo) 1992 1993 /* 1994 * Few more "globally" available ioctl calls. 1995 */ 1996 #define SNDCTL_SETSONG _IOW ('Y', 2, oss_longname_t) 1997 #define SNDCTL_GETSONG _IOR ('Y', 2, oss_longname_t) 1998 #define SNDCTL_SETNAME _IOW ('Y', 3, oss_longname_t) 1999 #define SNDCTL_SETLABEL _IOW ('Y', 4, oss_label_t) 2000 #define SNDCTL_GETLABEL _IOR ('Y', 4, oss_label_t) 2001 2002 #endif /* !_SYS_SOUNDCARD_H_ */ 2003