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 35 /* 36 * Unless coordinating changes with 4Front Technologies, do NOT make any 37 * modifications to ioctl commands, types, etc. that would break 38 * compatibility with the OSS API. 39 */ 40 41 #ifndef _SYS_SOUNDCARD_H_ 42 #define _SYS_SOUNDCARD_H_ 43 /* 44 * If you make modifications to this file, please contact me before 45 * distributing the modified version. There is already enough 46 * diversity in the world. 47 * 48 * Regards, 49 * Hannu Savolainen 50 * hannu@voxware.pp.fi 51 * 52 ********************************************************************** 53 * PS. The Hacker's Guide to VoxWare available from 54 * nic.funet.fi:pub/Linux/ALPHA/sound. The file is 55 * snd-sdk-doc-0.1.ps.gz (gzipped postscript). It contains 56 * some useful information about programming with VoxWare. 57 * (NOTE! The pub/Linux/ALPHA/ directories are hidden. You have 58 * to cd inside them before the files are accessible.) 59 ********************************************************************** 60 */ 61 62 /* 63 * SOUND_VERSION is only used by the voxware driver. Hopefully apps 64 * should not depend on it, but rather look at the capabilities 65 * of the driver in the kernel! 66 */ 67 #define SOUND_VERSION 301 68 #define VOXWARE /* does this have any use ? */ 69 70 /* 71 * Supported card ID numbers (Should be somewhere else? We keep 72 * them here just for compativility with the old driver, but these 73 * constants are of little or no use). 74 */ 75 76 #define SNDCARD_ADLIB 1 77 #define SNDCARD_SB 2 78 #define SNDCARD_PAS 3 79 #define SNDCARD_GUS 4 80 #define SNDCARD_MPU401 5 81 #define SNDCARD_SB16 6 82 #define SNDCARD_SB16MIDI 7 83 #define SNDCARD_UART6850 8 84 #define SNDCARD_GUS16 9 85 #define SNDCARD_MSS 10 86 #define SNDCARD_PSS 11 87 #define SNDCARD_SSCAPE 12 88 #define SNDCARD_PSS_MPU 13 89 #define SNDCARD_PSS_MSS 14 90 #define SNDCARD_SSCAPE_MSS 15 91 #define SNDCARD_TRXPRO 16 92 #define SNDCARD_TRXPRO_SB 17 93 #define SNDCARD_TRXPRO_MPU 18 94 #define SNDCARD_MAD16 19 95 #define SNDCARD_MAD16_MPU 20 96 #define SNDCARD_CS4232 21 97 #define SNDCARD_CS4232_MPU 22 98 #define SNDCARD_MAUI 23 99 #define SNDCARD_PSEUDO_MSS 24 100 #define SNDCARD_AWE32 25 101 #define SNDCARD_NSS 26 102 #define SNDCARD_UART16550 27 103 #define SNDCARD_OPL 28 104 105 #include <sys/types.h> 106 #include <machine/endian.h> 107 #ifndef _IOWR 108 #include <sys/ioccom.h> 109 #endif /* !_IOWR */ 110 111 /* 112 * The first part of this file contains the new FreeBSD sound ioctl 113 * interface. Tries to minimize the number of different ioctls, and 114 * to be reasonably general. 115 * 116 * 970821: some of the new calls have not been implemented yet. 117 */ 118 119 /* 120 * the following three calls extend the generic file descriptor 121 * interface. AIONWRITE is the dual of FIONREAD, i.e. returns the max 122 * number of bytes for a write operation to be non-blocking. 123 * 124 * AIOGSIZE/AIOSSIZE are used to change the behaviour of the device, 125 * from a character device (default) to a block device. In block mode, 126 * (not to be confused with blocking mode) the main difference for the 127 * application is that select() will return only when a complete 128 * block can be read/written to the device, whereas in character mode 129 * select will return true when one byte can be exchanged. For audio 130 * devices, character mode makes select almost useless since one byte 131 * will always be ready by the next sample time (which is often only a 132 * handful of microseconds away). 133 * Use a size of 0 or 1 to return to character mode. 134 */ 135 #define AIONWRITE _IOR('A', 10, int) /* get # bytes to write */ 136 struct snd_size { 137 int play_size; 138 int rec_size; 139 }; 140 #define AIOGSIZE _IOR('A', 11, struct snd_size)/* read current blocksize */ 141 #define AIOSSIZE _IOWR('A', 11, struct snd_size) /* sets blocksize */ 142 143 /* 144 * The following constants define supported audio formats. The 145 * encoding follows voxware conventions, i.e. 1 bit for each supported 146 * format. We extend it by using bit 31 (RO) to indicate full-duplex 147 * capability, and bit 29 (RO) to indicate that the card supports/ 148 * needs different formats on capture & playback channels. 149 * Bit 29 (RW) is used to indicate/ask stereo. 150 * 151 * The number of bits required to store the sample is: 152 * o 4 bits for the IDA ADPCM format, 153 * o 8 bits for 8-bit formats, mu-law and A-law, 154 * o 16 bits for the 16-bit formats, and 155 * o 32 bits for the 24/32-bit formats. 156 * o undefined for the MPEG audio format. 157 */ 158 159 #define AFMT_QUERY 0x00000000 /* Return current format */ 160 #define AFMT_MU_LAW 0x00000001 /* Logarithmic mu-law */ 161 #define AFMT_A_LAW 0x00000002 /* Logarithmic A-law */ 162 #define AFMT_IMA_ADPCM 0x00000004 /* A 4:1 compressed format where 16-bit 163 * squence represented using the 164 * the average 4 bits per sample */ 165 #define AFMT_U8 0x00000008 /* Unsigned 8-bit */ 166 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16-bit */ 167 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16-bit */ 168 #define AFMT_S8 0x00000040 /* Signed 8-bit */ 169 #define AFMT_U16_LE 0x00000080 /* Little endian unsigned 16-bit */ 170 #define AFMT_U16_BE 0x00000100 /* Big endian unsigned 16-bit */ 171 #define AFMT_MPEG 0x00000200 /* MPEG MP2/MP3 audio */ 172 #define AFMT_AC3 0x00000400 /* Dolby Digital AC3 */ 173 174 /* 175 * 32-bit formats below used for 24-bit audio data where the data is stored 176 * in the 24 most significant bits and the least significant bits are not used 177 * (should be set to 0). 178 */ 179 #define AFMT_S32_LE 0x00001000 /* Little endian signed 32-bit */ 180 #define AFMT_S32_BE 0x00002000 /* Big endian signed 32-bit */ 181 #define AFMT_U32_LE 0x00004000 /* Little endian unsigned 32-bit */ 182 #define AFMT_U32_BE 0x00008000 /* Big endian unsigned 32-bit */ 183 #define AFMT_S24_LE 0x00010000 /* Little endian signed 24-bit */ 184 #define AFMT_S24_BE 0x00020000 /* Big endian signed 24-bit */ 185 #define AFMT_U24_LE 0x00040000 /* Little endian unsigned 24-bit */ 186 #define AFMT_U24_BE 0x00080000 /* Big endian unsigned 24-bit */ 187 #define AFMT_F32_LE 0x10000000 /* Little endian 32-bit floating point */ 188 #define AFMT_F32_BE 0x20000000 /* Big endian 32-bit floating point */ 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 #define AFMT_F32_NE AFMT_F32_LE 205 #define AFMT_F32_OE AFMT_F32_BE 206 #else 207 #define AFMT_S16_OE AFMT_S16_LE 208 #define AFMT_S24_OE AFMT_S24_LE 209 #define AFMT_S32_OE AFMT_S32_LE 210 #define AFMT_U16_OE AFMT_U16_LE 211 #define AFMT_U24_OE AFMT_U24_LE 212 #define AFMT_U32_OE AFMT_U32_LE 213 #define AFMT_S16_NE AFMT_S16_BE 214 #define AFMT_S24_NE AFMT_S24_BE 215 #define AFMT_S32_NE AFMT_S32_BE 216 #define AFMT_U16_NE AFMT_U16_BE 217 #define AFMT_U24_NE AFMT_U24_BE 218 #define AFMT_U32_NE AFMT_U32_BE 219 #define AFMT_F32_NE AFMT_F32_BE 220 #define AFMT_F32_OE AFMT_F32_LE 221 #endif 222 223 #define AFMT_FLOAT AFMT_F32_NE /* compatibility alias */ 224 225 #define AFMT_STEREO 0x10000000 /* can do/want stereo */ 226 227 /* 228 * the following are really capabilities 229 */ 230 #define AFMT_WEIRD 0x20000000 /* weird hardware... */ 231 /* 232 * AFMT_WEIRD reports that the hardware might need to operate 233 * with different formats in the playback and capture 234 * channels when operating in full duplex. 235 * As an example, SoundBlaster16 cards only support U8 in one 236 * direction and S16 in the other one, and applications should 237 * be aware of this limitation. 238 */ 239 #define AFMT_FULLDUPLEX 0x80000000 /* can do full duplex */ 240 241 /* 242 * The following structure is used to get/set format and sampling rate. 243 * While it would be better to have things such as stereo, bits per 244 * sample, endiannes, etc split in different variables, it turns out 245 * that formats are not that many, and not all combinations are possible. 246 * So we followed the Voxware approach of associating one bit to each 247 * format. 248 */ 249 250 typedef struct _snd_chan_param { 251 u_long play_rate; /* sampling rate */ 252 u_long rec_rate; /* sampling rate */ 253 u_long play_format; /* everything describing the format */ 254 u_long rec_format; /* everything describing the format */ 255 } snd_chan_param; 256 #define AIOGFMT _IOR('f', 12, snd_chan_param) /* get format */ 257 #define AIOSFMT _IOWR('f', 12, snd_chan_param) /* sets format */ 258 259 /* 260 * The following structure is used to get/set the mixer setting. 261 * Up to 32 mixers are supported, each one with up to 32 channels. 262 */ 263 typedef struct _snd_mix_param { 264 u_char subdev; /* which output */ 265 u_char line; /* which input */ 266 u_char left,right; /* volumes, 0..255, 0 = mute */ 267 } snd_mix_param ; 268 269 /* XXX AIOGMIX, AIOSMIX not implemented yet */ 270 #define AIOGMIX _IOWR('A', 13, snd_mix_param) /* return mixer status */ 271 #define AIOSMIX _IOWR('A', 14, snd_mix_param) /* sets mixer status */ 272 273 /* 274 * channel specifiers used in AIOSTOP and AIOSYNC 275 */ 276 #define AIOSYNC_PLAY 0x1 /* play chan */ 277 #define AIOSYNC_CAPTURE 0x2 /* capture chan */ 278 /* AIOSTOP stop & flush a channel, returns the residual count */ 279 #define AIOSTOP _IOWR ('A', 15, int) 280 281 /* alternate method used to notify the sync condition */ 282 #define AIOSYNC_SIGNAL 0x100 283 #define AIOSYNC_SELECT 0x200 284 285 /* what the 'pos' field refers to */ 286 #define AIOSYNC_READY 0x400 287 #define AIOSYNC_FREE 0x800 288 289 typedef struct _snd_sync_parm { 290 long chan ; /* play or capture channel, plus modifier */ 291 long pos; 292 } snd_sync_parm; 293 #define AIOSYNC _IOWR ('A', 15, snd_sync_parm) /* misc. synchronization */ 294 295 /* 296 * The following is used to return device capabilities. If the structure 297 * passed to the ioctl is zeroed, default values are returned for rate 298 * and formats, a bitmap of available mixers is returned, and values 299 * (inputs, different levels) for the first one are returned. 300 * 301 * If formats, mixers, inputs are instantiated, then detailed info 302 * are returned depending on the call. 303 */ 304 typedef struct _snd_capabilities { 305 u_long rate_min, rate_max; /* min-max sampling rate */ 306 u_long formats; 307 u_long bufsize; /* DMA buffer size */ 308 u_long mixers; /* bitmap of available mixers */ 309 u_long inputs; /* bitmap of available inputs (per mixer) */ 310 u_short left, right; /* how many levels are supported */ 311 } snd_capabilities; 312 #define AIOGCAP _IOWR('A', 15, snd_capabilities) /* get capabilities */ 313 314 /* 315 * here is the old (Voxware) ioctl interface 316 */ 317 318 /* 319 * IOCTL Commands for /dev/sequencer 320 */ 321 322 #define SNDCTL_SEQ_RESET _IO ('Q', 0) 323 #define SNDCTL_SEQ_SYNC _IO ('Q', 1) 324 #define SNDCTL_SYNTH_INFO _IOWR('Q', 2, struct synth_info) 325 #define SNDCTL_SEQ_CTRLRATE _IOWR('Q', 3, int) /* Set/get timer res.(hz) */ 326 #define SNDCTL_SEQ_GETOUTCOUNT _IOR ('Q', 4, int) 327 #define SNDCTL_SEQ_GETINCOUNT _IOR ('Q', 5, int) 328 #define SNDCTL_SEQ_PERCMODE _IOW ('Q', 6, int) 329 #define SNDCTL_FM_LOAD_INSTR _IOW ('Q', 7, struct sbi_instrument) /* Valid for FM only */ 330 #define SNDCTL_SEQ_TESTMIDI _IOW ('Q', 8, int) 331 #define SNDCTL_SEQ_RESETSAMPLES _IOW ('Q', 9, int) 332 #define SNDCTL_SEQ_NRSYNTHS _IOR ('Q',10, int) 333 #define SNDCTL_SEQ_NRMIDIS _IOR ('Q',11, int) 334 #define SNDCTL_MIDI_INFO _IOWR('Q',12, struct midi_info) 335 #define SNDCTL_SEQ_THRESHOLD _IOW ('Q',13, int) 336 #define SNDCTL_SEQ_TRESHOLD SNDCTL_SEQ_THRESHOLD /* there was once a typo */ 337 #define SNDCTL_SYNTH_MEMAVL _IOWR('Q',14, int) /* in=dev#, out=memsize */ 338 #define SNDCTL_FM_4OP_ENABLE _IOW ('Q',15, int) /* in=dev# */ 339 #define SNDCTL_PMGR_ACCESS _IOWR('Q',16, struct patmgr_info) 340 #define SNDCTL_SEQ_PANIC _IO ('Q',17) 341 #define SNDCTL_SEQ_OUTOFBAND _IOW ('Q',18, struct seq_event_rec) 342 #define SNDCTL_SEQ_GETTIME _IOR ('Q',19, int) 343 344 struct seq_event_rec { 345 u_char arr[8]; 346 }; 347 348 #define SNDCTL_TMR_TIMEBASE _IOWR('T', 1, int) 349 #define SNDCTL_TMR_START _IO ('T', 2) 350 #define SNDCTL_TMR_STOP _IO ('T', 3) 351 #define SNDCTL_TMR_CONTINUE _IO ('T', 4) 352 #define SNDCTL_TMR_TEMPO _IOWR('T', 5, int) 353 #define SNDCTL_TMR_SOURCE _IOWR('T', 6, int) 354 # define TMR_INTERNAL 0x00000001 355 # define TMR_EXTERNAL 0x00000002 356 # define TMR_MODE_MIDI 0x00000010 357 # define TMR_MODE_FSK 0x00000020 358 # define TMR_MODE_CLS 0x00000040 359 # define TMR_MODE_SMPTE 0x00000080 360 #define SNDCTL_TMR_METRONOME _IOW ('T', 7, int) 361 #define SNDCTL_TMR_SELECT _IOW ('T', 8, int) 362 363 /* 364 * Endian aware patch key generation algorithm. 365 */ 366 367 #if defined(_AIX) || defined(AIX) 368 # define _PATCHKEY(id) (0xfd00|id) 369 #else 370 # define _PATCHKEY(id) ((id<<8)|0xfd) 371 #endif 372 373 /* 374 * Sample loading mechanism for internal synthesizers (/dev/sequencer) 375 * The following patch_info structure has been designed to support 376 * Gravis UltraSound. It tries to be universal format for uploading 377 * sample based patches but is probably too limited. 378 */ 379 380 struct patch_info { 381 /* u_short key; Use GUS_PATCH here */ 382 short key; /* Use GUS_PATCH here */ 383 #define GUS_PATCH _PATCHKEY(0x04) 384 #define OBSOLETE_GUS_PATCH _PATCHKEY(0x02) 385 386 short device_no; /* Synthesizer number */ 387 short instr_no; /* Midi pgm# */ 388 389 u_long mode; 390 /* 391 * The least significant byte has the same format than the GUS .PAT 392 * files 393 */ 394 #define WAVE_16_BITS 0x01 /* bit 0 = 8 or 16 bit wave data. */ 395 #define WAVE_UNSIGNED 0x02 /* bit 1 = Signed - Unsigned data. */ 396 #define WAVE_LOOPING 0x04 /* bit 2 = looping enabled-1. */ 397 #define WAVE_BIDIR_LOOP 0x08 /* bit 3 = Set is bidirectional looping. */ 398 #define WAVE_LOOP_BACK 0x10 /* bit 4 = Set is looping backward. */ 399 #define WAVE_SUSTAIN_ON 0x20 /* bit 5 = Turn sustaining on. (Env. pts. 3)*/ 400 #define WAVE_ENVELOPES 0x40 /* bit 6 = Enable envelopes - 1 */ 401 /* (use the env_rate/env_offs fields). */ 402 /* Linux specific bits */ 403 #define WAVE_VIBRATO 0x00010000 /* The vibrato info is valid */ 404 #define WAVE_TREMOLO 0x00020000 /* The tremolo info is valid */ 405 #define WAVE_SCALE 0x00040000 /* The scaling info is valid */ 406 /* Other bits must be zeroed */ 407 408 long len; /* Size of the wave data in bytes */ 409 long loop_start, loop_end; /* Byte offsets from the beginning */ 410 411 /* 412 * The base_freq and base_note fields are used when computing the 413 * playback speed for a note. The base_note defines the tone frequency 414 * which is heard if the sample is played using the base_freq as the 415 * playback speed. 416 * 417 * The low_note and high_note fields define the minimum and maximum note 418 * frequencies for which this sample is valid. It is possible to define 419 * more than one samples for an instrument number at the same time. The 420 * low_note and high_note fields are used to select the most suitable one. 421 * 422 * The fields base_note, high_note and low_note should contain 423 * the note frequency multiplied by 1000. For example value for the 424 * middle A is 440*1000. 425 */ 426 427 u_int base_freq; 428 u_long base_note; 429 u_long high_note; 430 u_long low_note; 431 int panning; /* -128=left, 127=right */ 432 int detuning; 433 434 /* New fields introduced in version 1.99.5 */ 435 436 /* Envelope. Enabled by mode bit WAVE_ENVELOPES */ 437 u_char env_rate[ 6 ]; /* GUS HW ramping rate */ 438 u_char env_offset[ 6 ]; /* 255 == 100% */ 439 440 /* 441 * The tremolo, vibrato and scale info are not supported yet. 442 * Enable by setting the mode bits WAVE_TREMOLO, WAVE_VIBRATO or 443 * WAVE_SCALE 444 */ 445 446 u_char tremolo_sweep; 447 u_char tremolo_rate; 448 u_char tremolo_depth; 449 450 u_char vibrato_sweep; 451 u_char vibrato_rate; 452 u_char vibrato_depth; 453 454 int scale_frequency; 455 u_int scale_factor; /* from 0 to 2048 or 0 to 2 */ 456 457 int volume; 458 int spare[4]; 459 char data[1]; /* The waveform data starts here */ 460 }; 461 462 struct sysex_info { 463 short key; /* Use GUS_PATCH here */ 464 #define SYSEX_PATCH _PATCHKEY(0x05) 465 #define MAUI_PATCH _PATCHKEY(0x06) 466 short device_no; /* Synthesizer number */ 467 long len; /* Size of the sysex data in bytes */ 468 u_char data[1]; /* Sysex data starts here */ 469 }; 470 471 /* 472 * Patch management interface (/dev/sequencer, /dev/patmgr#) 473 * Don't use these calls if you want to maintain compatibility with 474 * the future versions of the driver. 475 */ 476 477 #define PS_NO_PATCHES 0 /* No patch support on device */ 478 #define PS_MGR_NOT_OK 1 /* Plain patch support (no mgr) */ 479 #define PS_MGR_OK 2 /* Patch manager supported */ 480 #define PS_MANAGED 3 /* Patch manager running */ 481 482 #define SNDCTL_PMGR_IFACE _IOWR('P', 1, struct patmgr_info) 483 484 /* 485 * The patmgr_info is a fixed size structure which is used for two 486 * different purposes. The intended use is for communication between 487 * the application using /dev/sequencer and the patch manager daemon 488 * associated with a synthesizer device (ioctl(SNDCTL_PMGR_ACCESS)). 489 * 490 * This structure is also used with ioctl(SNDCTL_PGMR_IFACE) which allows 491 * a patch manager daemon to read and write device parameters. This 492 * ioctl available through /dev/sequencer also. Avoid using it since it's 493 * extremely hardware dependent. In addition access through /dev/sequencer 494 * may confuse the patch manager daemon. 495 */ 496 497 struct patmgr_info { /* Note! size must be < 4k since kmalloc() is used */ 498 u_long key; /* Don't worry. Reserved for communication 499 between the patch manager and the driver. */ 500 #define PM_K_EVENT 1 /* Event from the /dev/sequencer driver */ 501 #define PM_K_COMMAND 2 /* Request from an application */ 502 #define PM_K_RESPONSE 3 /* From patmgr to application */ 503 #define PM_ERROR 4 /* Error returned by the patmgr */ 504 int device; 505 int command; 506 507 /* 508 * Commands 0x000 to 0xfff reserved for patch manager programs 509 */ 510 #define PM_GET_DEVTYPE 1 /* Returns type of the patch mgr interface of dev */ 511 #define PMTYPE_FM2 1 /* 2 OP fm */ 512 #define PMTYPE_FM4 2 /* Mixed 4 or 2 op FM (OPL-3) */ 513 #define PMTYPE_WAVE 3 /* Wave table synthesizer (GUS) */ 514 #define PM_GET_NRPGM 2 /* Returns max # of midi programs in parm1 */ 515 #define PM_GET_PGMMAP 3 /* Returns map of loaded midi programs in data8 */ 516 #define PM_GET_PGM_PATCHES 4 /* Return list of patches of a program (parm1) */ 517 #define PM_GET_PATCH 5 /* Return patch header of patch parm1 */ 518 #define PM_SET_PATCH 6 /* Set patch header of patch parm1 */ 519 #define PM_READ_PATCH 7 /* Read patch (wave) data */ 520 #define PM_WRITE_PATCH 8 /* Write patch (wave) data */ 521 522 /* 523 * Commands 0x1000 to 0xffff are for communication between the patch manager 524 * and the client 525 */ 526 #define _PM_LOAD_PATCH 0x100 527 528 /* 529 * Commands above 0xffff reserved for device specific use 530 */ 531 532 long parm1; 533 long parm2; 534 long parm3; 535 536 union { 537 u_char data8[4000]; 538 u_short data16[2000]; 539 u_long data32[1000]; 540 struct patch_info patch; 541 } data; 542 }; 543 544 /* 545 * When a patch manager daemon is present, it will be informed by the 546 * driver when something important happens. For example when the 547 * /dev/sequencer is opened or closed. A record with key == PM_K_EVENT is 548 * returned. The command field contains the event type: 549 */ 550 #define PM_E_OPENED 1 /* /dev/sequencer opened */ 551 #define PM_E_CLOSED 2 /* /dev/sequencer closed */ 552 #define PM_E_PATCH_RESET 3 /* SNDCTL_RESETSAMPLES called */ 553 #define PM_E_PATCH_LOADED 4 /* A patch has been loaded by appl */ 554 555 /* 556 * /dev/sequencer input events. 557 * 558 * The data written to the /dev/sequencer is a stream of events. Events 559 * are records of 4 or 8 bytes. The first byte defines the size. 560 * Any number of events can be written with a write call. There 561 * is a set of macros for sending these events. Use these macros if you 562 * want to maximize portability of your program. 563 * 564 * Events SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO. Are also input events. 565 * (All input events are currently 4 bytes long. Be prepared to support 566 * 8 byte events also. If you receive any event having first byte >= 128, 567 * it's a 8 byte event. 568 * 569 * The events are documented at the end of this file. 570 * 571 * Normal events (4 bytes) 572 * There is also a 8 byte version of most of the 4 byte events. The 573 * 8 byte one is recommended. 574 */ 575 #define SEQ_NOTEOFF 0 576 #define SEQ_FMNOTEOFF SEQ_NOTEOFF /* Just old name */ 577 #define SEQ_NOTEON 1 578 #define SEQ_FMNOTEON SEQ_NOTEON 579 #define SEQ_WAIT TMR_WAIT_ABS 580 #define SEQ_PGMCHANGE 3 581 #define SEQ_FMPGMCHANGE SEQ_PGMCHANGE 582 #define SEQ_SYNCTIMER TMR_START 583 #define SEQ_MIDIPUTC 5 584 #define SEQ_DRUMON 6 /*** OBSOLETE ***/ 585 #define SEQ_DRUMOFF 7 /*** OBSOLETE ***/ 586 #define SEQ_ECHO TMR_ECHO /* For synching programs with output */ 587 #define SEQ_AFTERTOUCH 9 588 #define SEQ_CONTROLLER 10 589 590 /* 591 * Midi controller numbers 592 * 593 * Controllers 0 to 31 (0x00 to 0x1f) and 32 to 63 (0x20 to 0x3f) 594 * are continuous controllers. 595 * In the MIDI 1.0 these controllers are sent using two messages. 596 * Controller numbers 0 to 31 are used to send the MSB and the 597 * controller numbers 32 to 63 are for the LSB. Note that just 7 bits 598 * are used in MIDI bytes. 599 */ 600 601 #define CTL_BANK_SELECT 0x00 602 #define CTL_MODWHEEL 0x01 603 #define CTL_BREATH 0x02 604 /* undefined 0x03 */ 605 #define CTL_FOOT 0x04 606 #define CTL_PORTAMENTO_TIME 0x05 607 #define CTL_DATA_ENTRY 0x06 608 #define CTL_MAIN_VOLUME 0x07 609 #define CTL_BALANCE 0x08 610 /* undefined 0x09 */ 611 #define CTL_PAN 0x0a 612 #define CTL_EXPRESSION 0x0b 613 /* undefined 0x0c - 0x0f */ 614 #define CTL_GENERAL_PURPOSE1 0x10 615 #define CTL_GENERAL_PURPOSE2 0x11 616 #define CTL_GENERAL_PURPOSE3 0x12 617 #define CTL_GENERAL_PURPOSE4 0x13 618 /* undefined 0x14 - 0x1f */ 619 620 /* undefined 0x20 */ 621 622 /* 623 * The controller numbers 0x21 to 0x3f are reserved for the 624 * least significant bytes of the controllers 0x00 to 0x1f. 625 * These controllers are not recognised by the driver. 626 * 627 * Controllers 64 to 69 (0x40 to 0x45) are on/off switches. 628 * 0=OFF and 127=ON (intermediate values are possible) 629 */ 630 #define CTL_DAMPER_PEDAL 0x40 631 #define CTL_SUSTAIN CTL_DAMPER_PEDAL /* Alias */ 632 #define CTL_HOLD CTL_DAMPER_PEDAL /* Alias */ 633 #define CTL_PORTAMENTO 0x41 634 #define CTL_SOSTENUTO 0x42 635 #define CTL_SOFT_PEDAL 0x43 636 /* undefined 0x44 */ 637 #define CTL_HOLD2 0x45 638 /* undefined 0x46 - 0x4f */ 639 640 #define CTL_GENERAL_PURPOSE5 0x50 641 #define CTL_GENERAL_PURPOSE6 0x51 642 #define CTL_GENERAL_PURPOSE7 0x52 643 #define CTL_GENERAL_PURPOSE8 0x53 644 /* undefined 0x54 - 0x5a */ 645 #define CTL_EXT_EFF_DEPTH 0x5b 646 #define CTL_TREMOLO_DEPTH 0x5c 647 #define CTL_CHORUS_DEPTH 0x5d 648 #define CTL_DETUNE_DEPTH 0x5e 649 #define CTL_CELESTE_DEPTH CTL_DETUNE_DEPTH /* Alias for the above one */ 650 #define CTL_PHASER_DEPTH 0x5f 651 #define CTL_DATA_INCREMENT 0x60 652 #define CTL_DATA_DECREMENT 0x61 653 #define CTL_NONREG_PARM_NUM_LSB 0x62 654 #define CTL_NONREG_PARM_NUM_MSB 0x63 655 #define CTL_REGIST_PARM_NUM_LSB 0x64 656 #define CTL_REGIST_PARM_NUM_MSB 0x65 657 /* undefined 0x66 - 0x78 */ 658 /* reserved 0x79 - 0x7f */ 659 660 /* Pseudo controllers (not midi compatible) */ 661 #define CTRL_PITCH_BENDER 255 662 #define CTRL_PITCH_BENDER_RANGE 254 663 #define CTRL_EXPRESSION 253 /* Obsolete */ 664 #define CTRL_MAIN_VOLUME 252 /* Obsolete */ 665 666 #define SEQ_BALANCE 11 667 #define SEQ_VOLMODE 12 668 669 /* 670 * Volume mode decides how volumes are used 671 */ 672 673 #define VOL_METHOD_ADAGIO 1 674 #define VOL_METHOD_LINEAR 2 675 676 /* 677 * Note! SEQ_WAIT, SEQ_MIDIPUTC and SEQ_ECHO are used also as 678 * input events. 679 */ 680 681 /* 682 * Event codes 0xf0 to 0xfc are reserved for future extensions. 683 */ 684 685 #define SEQ_FULLSIZE 0xfd /* Long events */ 686 /* 687 * SEQ_FULLSIZE events are used for loading patches/samples to the 688 * synthesizer devices. These events are passed directly to the driver 689 * of the associated synthesizer device. There is no limit to the size 690 * of the extended events. These events are not queued but executed 691 * immediately when the write() is called (execution can take several 692 * seconds of time). 693 * 694 * When a SEQ_FULLSIZE message is written to the device, it must 695 * be written using exactly one write() call. Other events cannot 696 * be mixed to the same write. 697 * 698 * For FM synths (YM3812/OPL3) use struct sbi_instrument and write 699 * it to the /dev/sequencer. Don't write other data together with 700 * the instrument structure Set the key field of the structure to 701 * FM_PATCH. The device field is used to route the patch to the 702 * corresponding device. 703 * 704 * For Gravis UltraSound use struct patch_info. Initialize the key field 705 * to GUS_PATCH. 706 */ 707 #define SEQ_PRIVATE 0xfe /* Low level HW dependent events (8 bytes) */ 708 #define SEQ_EXTENDED 0xff /* Extended events (8 bytes) OBSOLETE */ 709 710 /* 711 * Record for FM patches 712 */ 713 714 typedef u_char sbi_instr_data[32]; 715 716 struct sbi_instrument { 717 u_short key; /* FM_PATCH or OPL3_PATCH */ 718 #define FM_PATCH _PATCHKEY(0x01) 719 #define OPL3_PATCH _PATCHKEY(0x03) 720 short device; /* Synth# (0-4) */ 721 int channel; /* Program# to be initialized */ 722 sbi_instr_data operators; /* Reg. settings for operator cells 723 * (.SBI format) */ 724 }; 725 726 struct synth_info { /* Read only */ 727 char name[30]; 728 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 729 int synth_type; 730 #define SYNTH_TYPE_FM 0 731 #define SYNTH_TYPE_SAMPLE 1 732 #define SYNTH_TYPE_MIDI 2 /* Midi interface */ 733 734 int synth_subtype; 735 #define FM_TYPE_ADLIB 0x00 736 #define FM_TYPE_OPL3 0x01 737 #define MIDI_TYPE_MPU401 0x401 738 739 #define SAMPLE_TYPE_BASIC 0x10 740 #define SAMPLE_TYPE_GUS SAMPLE_TYPE_BASIC 741 #define SAMPLE_TYPE_AWE32 0x20 742 743 int perc_mode; /* No longer supported */ 744 int nr_voices; 745 int nr_drums; /* Obsolete field */ 746 int instr_bank_size; 747 u_long capabilities; 748 #define SYNTH_CAP_PERCMODE 0x00000001 /* No longer used */ 749 #define SYNTH_CAP_OPL3 0x00000002 /* Set if OPL3 supported */ 750 #define SYNTH_CAP_INPUT 0x00000004 /* Input (MIDI) device */ 751 int dummies[19]; /* Reserve space */ 752 }; 753 754 struct sound_timer_info { 755 char name[32]; 756 int caps; 757 }; 758 759 struct midi_info { 760 char name[30]; 761 int device; /* 0-N. INITIALIZE BEFORE CALLING */ 762 u_long capabilities; /* To be defined later */ 763 int dev_type; 764 int dummies[18]; /* Reserve space */ 765 }; 766 767 /* 768 * ioctl commands for the /dev/midi## 769 */ 770 typedef struct { 771 u_char cmd; 772 char nr_args, nr_returns; 773 u_char data[30]; 774 } mpu_command_rec; 775 776 #define SNDCTL_MIDI_PRETIME _IOWR('m', 0, int) 777 #define SNDCTL_MIDI_MPUMODE _IOWR('m', 1, int) 778 #define SNDCTL_MIDI_MPUCMD _IOWR('m', 2, mpu_command_rec) 779 #define MIOSPASSTHRU _IOWR('m', 3, int) 780 #define MIOGPASSTHRU _IOWR('m', 4, int) 781 782 /* 783 * IOCTL commands for /dev/dsp and /dev/audio 784 */ 785 786 #define SNDCTL_DSP_HALT _IO ('P', 0) 787 #define SNDCTL_DSP_RESET SNDCTL_DSP_HALT 788 #define SNDCTL_DSP_SYNC _IO ('P', 1) 789 #define SNDCTL_DSP_SPEED _IOWR('P', 2, int) 790 #define SNDCTL_DSP_STEREO _IOWR('P', 3, int) 791 #define SNDCTL_DSP_GETBLKSIZE _IOR('P', 4, int) 792 #define SNDCTL_DSP_SETBLKSIZE _IOW('P', 4, int) 793 #define SNDCTL_DSP_SETFMT _IOWR('P',5, int) /* Selects ONE fmt*/ 794 795 /* 796 * SOUND_PCM_WRITE_CHANNELS is not that different 797 * from SNDCTL_DSP_STEREO 798 */ 799 #define SOUND_PCM_WRITE_CHANNELS _IOWR('P', 6, int) 800 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS 801 #define SOUND_PCM_WRITE_FILTER _IOWR('P', 7, int) 802 #define SNDCTL_DSP_POST _IO ('P', 8) 803 804 /* 805 * SNDCTL_DSP_SETBLKSIZE and the following two calls mostly do 806 * the same thing, i.e. set the block size used in DMA transfers. 807 */ 808 #define SNDCTL_DSP_SUBDIVIDE _IOWR('P', 9, int) 809 #define SNDCTL_DSP_SETFRAGMENT _IOWR('P',10, int) 810 811 #define SNDCTL_DSP_GETFMTS _IOR ('P',11, int) /* Returns a mask */ 812 /* 813 * Buffer status queries. 814 */ 815 typedef struct audio_buf_info { 816 int fragments; /* # of avail. frags (partly used ones not counted) */ 817 int fragstotal; /* Total # of fragments allocated */ 818 int fragsize; /* Size of a fragment in bytes */ 819 820 int bytes; /* Avail. space in bytes (includes partly used fragments) */ 821 /* Note! 'bytes' could be more than fragments*fragsize */ 822 } audio_buf_info; 823 824 #define SNDCTL_DSP_GETOSPACE _IOR ('P',12, audio_buf_info) 825 #define SNDCTL_DSP_GETISPACE _IOR ('P',13, audio_buf_info) 826 827 /* 828 * SNDCTL_DSP_NONBLOCK is the same (but less powerful, since the 829 * action cannot be undone) of FIONBIO. The same can be achieved 830 * by opening the device with O_NDELAY 831 */ 832 #define SNDCTL_DSP_NONBLOCK _IO ('P',14) 833 834 #define SNDCTL_DSP_GETCAPS _IOR ('P',15, int) 835 # define PCM_CAP_REVISION 0x000000ff /* Bits for revision level (0 to 255) */ 836 # define PCM_CAP_DUPLEX 0x00000100 /* Full duplex record/playback */ 837 # define PCM_CAP_REALTIME 0x00000200 /* Not in use */ 838 # define PCM_CAP_BATCH 0x00000400 /* Device has some kind of */ 839 /* internal buffers which may */ 840 /* cause some delays and */ 841 /* decrease precision of timing */ 842 # define PCM_CAP_COPROC 0x00000800 /* Has a coprocessor */ 843 /* Sometimes it's a DSP */ 844 /* but usually not */ 845 # define PCM_CAP_TRIGGER 0x00001000 /* Supports SETTRIGGER */ 846 # define PCM_CAP_MMAP 0x00002000 /* Supports mmap() */ 847 # define PCM_CAP_MULTI 0x00004000 /* Supports multiple open */ 848 # define PCM_CAP_BIND 0x00008000 /* Supports binding to front/rear/center/lfe */ 849 # define PCM_CAP_INPUT 0x00010000 /* Supports recording */ 850 # define PCM_CAP_OUTPUT 0x00020000 /* Supports playback */ 851 # define PCM_CAP_VIRTUAL 0x00040000 /* Virtual device */ 852 /* 0x00040000 and 0x00080000 reserved for future use */ 853 854 /* Analog/digital control capabilities */ 855 # define PCM_CAP_ANALOGOUT 0x00100000 856 # define PCM_CAP_ANALOGIN 0x00200000 857 # define PCM_CAP_DIGITALOUT 0x00400000 858 # define PCM_CAP_DIGITALIN 0x00800000 859 # define PCM_CAP_ADMASK 0x00f00000 860 /* 861 * NOTE! (capabilities & PCM_CAP_ADMASK)==0 means just that the 862 * digital/analog interface control features are not supported by the 863 * device/driver. However the device still supports analog, digital or 864 * both inputs/outputs (depending on the device). See the OSS Programmer's 865 * Guide for full details. 866 */ 867 # define PCM_CAP_SPECIAL 0x01000000 /* Not for ordinary "multimedia" use */ 868 # define PCM_CAP_SHADOW 0x00000000 /* OBSOLETE */ 869 870 /* 871 * Preferred channel usage. These bits can be used to 872 * give recommendations to the application. Used by few drivers. 873 * For example if ((caps & DSP_CH_MASK) == DSP_CH_MONO) means that 874 * the device works best in mono mode. However it doesn't necessarily mean 875 * that the device cannot be used in stereo. These bits should only be used 876 * by special applications such as multi track hard disk recorders to find 877 * out the initial setup. However the user should be able to override this 878 * selection. 879 * 880 * To find out which modes are actually supported the application should 881 * try to select them using SNDCTL_DSP_CHANNELS. 882 */ 883 # define DSP_CH_MASK 0x06000000 /* Mask */ 884 # define DSP_CH_ANY 0x00000000 /* No preferred mode */ 885 # define DSP_CH_MONO 0x02000000 886 # define DSP_CH_STEREO 0x04000000 887 # define DSP_CH_MULTI 0x06000000 /* More than two channels */ 888 889 # define PCM_CAP_HIDDEN 0x08000000 /* Hidden device */ 890 # define PCM_CAP_FREERATE 0x10000000 891 # define PCM_CAP_MODEM 0x20000000 /* Modem device */ 892 # define PCM_CAP_DEFAULT 0x40000000 /* "Default" device */ 893 894 /* 895 * The PCM_CAP_* capability names were known as DSP_CAP_* prior OSS 4.0 896 * so it's necessary to define the older names too. 897 */ 898 #define DSP_CAP_ADMASK PCM_CAP_ADMASK 899 #define DSP_CAP_ANALOGIN PCM_CAP_ANALOGIN 900 #define DSP_CAP_ANALOGOUT PCM_CAP_ANALOGOUT 901 #define DSP_CAP_BATCH PCM_CAP_BATCH 902 #define DSP_CAP_BIND PCM_CAP_BIND 903 #define DSP_CAP_COPROC PCM_CAP_COPROC 904 #define DSP_CAP_DEFAULT PCM_CAP_DEFAULT 905 #define DSP_CAP_DIGITALIN PCM_CAP_DIGITALIN 906 #define DSP_CAP_DIGITALOUT PCM_CAP_DIGITALOUT 907 #define DSP_CAP_DUPLEX PCM_CAP_DUPLEX 908 #define DSP_CAP_FREERATE PCM_CAP_FREERATE 909 #define DSP_CAP_HIDDEN PCM_CAP_HIDDEN 910 #define DSP_CAP_INPUT PCM_CAP_INPUT 911 #define DSP_CAP_MMAP PCM_CAP_MMAP 912 #define DSP_CAP_MODEM PCM_CAP_MODEM 913 #define DSP_CAP_MULTI PCM_CAP_MULTI 914 #define DSP_CAP_OUTPUT PCM_CAP_OUTPUT 915 #define DSP_CAP_REALTIME PCM_CAP_REALTIME 916 #define DSP_CAP_REVISION PCM_CAP_REVISION 917 #define DSP_CAP_SHADOW PCM_CAP_SHADOW 918 #define DSP_CAP_TRIGGER PCM_CAP_TRIGGER 919 #define DSP_CAP_VIRTUAL PCM_CAP_VIRTUAL 920 921 /* 922 * What do these function do ? 923 */ 924 #define SNDCTL_DSP_GETTRIGGER _IOR ('P',16, int) 925 #define SNDCTL_DSP_SETTRIGGER _IOW ('P',16, int) 926 #define PCM_ENABLE_INPUT 0x00000001 927 #define PCM_ENABLE_OUTPUT 0x00000002 928 929 typedef struct count_info { 930 int bytes; /* Total # of bytes processed */ 931 int blocks; /* # of fragment transitions since last time */ 932 int ptr; /* Current DMA pointer value */ 933 } count_info; 934 935 /* 936 * GETIPTR and GETISPACE are not that different... same for out. 937 */ 938 #define SNDCTL_DSP_GETIPTR _IOR ('P',17, count_info) 939 #define SNDCTL_DSP_GETOPTR _IOR ('P',18, count_info) 940 941 typedef struct buffmem_desc { 942 caddr_t buffer; 943 int size; 944 } buffmem_desc; 945 946 #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) 947 #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) 948 #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) 949 #define SNDCTL_DSP_SETDUPLEX _IO ('P', 22) 950 #define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) 951 952 /* 953 * I guess these are the readonly version of the same 954 * functions that exist above as SNDCTL_DSP_... 955 */ 956 #define SOUND_PCM_READ_RATE _IOR ('P', 2, int) 957 #define SOUND_PCM_READ_CHANNELS _IOR ('P', 6, int) 958 #define SOUND_PCM_READ_BITS _IOR ('P', 5, int) 959 #define SOUND_PCM_READ_FILTER _IOR ('P', 7, int) 960 961 /* 962 * ioctl calls to be used in communication with coprocessors and 963 * DSP chips. 964 */ 965 966 typedef struct copr_buffer { 967 int command; /* Set to 0 if not used */ 968 int flags; 969 #define CPF_NONE 0x0000 970 #define CPF_FIRST 0x0001 /* First block */ 971 #define CPF_LAST 0x0002 /* Last block */ 972 int len; 973 int offs; /* If required by the device (0 if not used) */ 974 975 u_char data[4000]; /* NOTE! 4000 is not 4k */ 976 } copr_buffer; 977 978 typedef struct copr_debug_buf { 979 int command; /* Used internally. Set to 0 */ 980 int parm1; 981 int parm2; 982 int flags; 983 int len; /* Length of data in bytes */ 984 } copr_debug_buf; 985 986 typedef struct copr_msg { 987 int len; 988 u_char data[4000]; 989 } copr_msg; 990 991 #define SNDCTL_COPR_RESET _IO ('C', 0) 992 #define SNDCTL_COPR_LOAD _IOWR('C', 1, copr_buffer) 993 #define SNDCTL_COPR_RDATA _IOWR('C', 2, copr_debug_buf) 994 #define SNDCTL_COPR_RCODE _IOWR('C', 3, copr_debug_buf) 995 #define SNDCTL_COPR_WDATA _IOW ('C', 4, copr_debug_buf) 996 #define SNDCTL_COPR_WCODE _IOW ('C', 5, copr_debug_buf) 997 #define SNDCTL_COPR_RUN _IOWR('C', 6, copr_debug_buf) 998 #define SNDCTL_COPR_HALT _IOWR('C', 7, copr_debug_buf) 999 #define SNDCTL_COPR_SENDMSG _IOW ('C', 8, copr_msg) 1000 #define SNDCTL_COPR_RCVMSG _IOR ('C', 9, copr_msg) 1001 1002 /* 1003 * IOCTL commands for /dev/mixer 1004 */ 1005 1006 /* 1007 * Mixer devices 1008 * 1009 * There can be up to 20 different analog mixer channels. The 1010 * SOUND_MIXER_NRDEVICES gives the currently supported maximum. 1011 * The SOUND_MIXER_READ_DEVMASK returns a bitmask which tells 1012 * the devices supported by the particular mixer. 1013 */ 1014 1015 #define SOUND_MIXER_NRDEVICES 25 1016 #define SOUND_MIXER_VOLUME 0 /* Master output level */ 1017 #define SOUND_MIXER_BASS 1 /* Treble level of all output channels */ 1018 #define SOUND_MIXER_TREBLE 2 /* Bass level of all output channels */ 1019 #define SOUND_MIXER_SYNTH 3 /* Volume of synthesier input */ 1020 #define SOUND_MIXER_PCM 4 /* Output level for the audio device */ 1021 #define SOUND_MIXER_SPEAKER 5 /* Output level for the PC speaker 1022 * signals */ 1023 #define SOUND_MIXER_LINE 6 /* Volume level for the line in jack */ 1024 #define SOUND_MIXER_MIC 7 /* Volume for the signal coming from 1025 * the microphone jack */ 1026 #define SOUND_MIXER_CD 8 /* Volume level for the input signal 1027 * connected to the CD audio input */ 1028 #define SOUND_MIXER_IMIX 9 /* Recording monitor. It controls the 1029 * output volume of the selected 1030 * recording sources while recording */ 1031 #define SOUND_MIXER_ALTPCM 10 /* Volume of the alternative codec 1032 * device */ 1033 #define SOUND_MIXER_RECLEV 11 /* Global recording level */ 1034 #define SOUND_MIXER_IGAIN 12 /* Input gain */ 1035 #define SOUND_MIXER_OGAIN 13 /* Output gain */ 1036 /* 1037 * The AD1848 codec and compatibles have three line level inputs 1038 * (line, aux1 and aux2). Since each card manufacturer have assigned 1039 * different meanings to these inputs, it's inpractical to assign 1040 * specific meanings (line, cd, synth etc.) to them. 1041 */ 1042 #define SOUND_MIXER_LINE1 14 /* Input source 1 (aux1) */ 1043 #define SOUND_MIXER_LINE2 15 /* Input source 2 (aux2) */ 1044 #define SOUND_MIXER_LINE3 16 /* Input source 3 (line) */ 1045 #define SOUND_MIXER_DIGITAL1 17 /* Digital (input) 1 */ 1046 #define SOUND_MIXER_DIGITAL2 18 /* Digital (input) 2 */ 1047 #define SOUND_MIXER_DIGITAL3 19 /* Digital (input) 3 */ 1048 #define SOUND_MIXER_PHONEIN 20 /* Phone input */ 1049 #define SOUND_MIXER_PHONEOUT 21 /* Phone output */ 1050 #define SOUND_MIXER_VIDEO 22 /* Video/TV (audio) in */ 1051 #define SOUND_MIXER_RADIO 23 /* Radio in */ 1052 #define SOUND_MIXER_MONITOR 24 /* Monitor (usually mic) volume */ 1053 1054 /* 1055 * Some on/off settings (SOUND_SPECIAL_MIN - SOUND_SPECIAL_MAX) 1056 * Not counted to SOUND_MIXER_NRDEVICES, but use the same number space 1057 */ 1058 #define SOUND_ONOFF_MIN 28 1059 #define SOUND_ONOFF_MAX 30 1060 #define SOUND_MIXER_MUTE 28 /* 0 or 1 */ 1061 #define SOUND_MIXER_ENHANCE 29 /* Enhanced stereo (0, 40, 60 or 80) */ 1062 #define SOUND_MIXER_LOUD 30 /* 0 or 1 */ 1063 1064 /* Note! Number 31 cannot be used since the sign bit is reserved */ 1065 #define SOUND_MIXER_NONE 31 1066 1067 #define SOUND_DEVICE_LABELS { \ 1068 "Vol ", "Bass ", "Trebl", "Synth", "Pcm ", "Spkr ", "Line ", \ 1069 "Mic ", "CD ", "Mix ", "Pcm2 ", "Rec ", "IGain", "OGain", \ 1070 "Line1", "Line2", "Line3", "Digital1", "Digital2", "Digital3", \ 1071 "PhoneIn", "PhoneOut", "Video", "Radio", "Monitor"} 1072 1073 #define SOUND_DEVICE_NAMES { \ 1074 "vol", "bass", "treble", "synth", "pcm", "speaker", "line", \ 1075 "mic", "cd", "mix", "pcm2", "rec", "igain", "ogain", \ 1076 "line1", "line2", "line3", "dig1", "dig2", "dig3", \ 1077 "phin", "phout", "video", "radio", "monitor"} 1078 1079 /* Device bitmask identifiers */ 1080 1081 #define SOUND_MIXER_RECSRC 0xff /* 1 bit per recording source */ 1082 #define SOUND_MIXER_DEVMASK 0xfe /* 1 bit per supported device */ 1083 #define SOUND_MIXER_RECMASK 0xfd /* 1 bit per supp. recording source */ 1084 #define SOUND_MIXER_CAPS 0xfc 1085 #define SOUND_CAP_EXCL_INPUT 0x00000001 /* Only 1 rec. src at a time */ 1086 #define SOUND_MIXER_STEREODEVS 0xfb /* Mixer channels supporting stereo */ 1087 1088 /* Device mask bits */ 1089 1090 #define SOUND_MASK_VOLUME (1 << SOUND_MIXER_VOLUME) 1091 #define SOUND_MASK_BASS (1 << SOUND_MIXER_BASS) 1092 #define SOUND_MASK_TREBLE (1 << SOUND_MIXER_TREBLE) 1093 #define SOUND_MASK_SYNTH (1 << SOUND_MIXER_SYNTH) 1094 #define SOUND_MASK_PCM (1 << SOUND_MIXER_PCM) 1095 #define SOUND_MASK_SPEAKER (1 << SOUND_MIXER_SPEAKER) 1096 #define SOUND_MASK_LINE (1 << SOUND_MIXER_LINE) 1097 #define SOUND_MASK_MIC (1 << SOUND_MIXER_MIC) 1098 #define SOUND_MASK_CD (1 << SOUND_MIXER_CD) 1099 #define SOUND_MASK_IMIX (1 << SOUND_MIXER_IMIX) 1100 #define SOUND_MASK_ALTPCM (1 << SOUND_MIXER_ALTPCM) 1101 #define SOUND_MASK_RECLEV (1 << SOUND_MIXER_RECLEV) 1102 #define SOUND_MASK_IGAIN (1 << SOUND_MIXER_IGAIN) 1103 #define SOUND_MASK_OGAIN (1 << SOUND_MIXER_OGAIN) 1104 #define SOUND_MASK_LINE1 (1 << SOUND_MIXER_LINE1) 1105 #define SOUND_MASK_LINE2 (1 << SOUND_MIXER_LINE2) 1106 #define SOUND_MASK_LINE3 (1 << SOUND_MIXER_LINE3) 1107 #define SOUND_MASK_DIGITAL1 (1 << SOUND_MIXER_DIGITAL1) 1108 #define SOUND_MASK_DIGITAL2 (1 << SOUND_MIXER_DIGITAL2) 1109 #define SOUND_MASK_DIGITAL3 (1 << SOUND_MIXER_DIGITAL3) 1110 #define SOUND_MASK_PHONEIN (1 << SOUND_MIXER_PHONEIN) 1111 #define SOUND_MASK_PHONEOUT (1 << SOUND_MIXER_PHONEOUT) 1112 #define SOUND_MASK_RADIO (1 << SOUND_MIXER_RADIO) 1113 #define SOUND_MASK_VIDEO (1 << SOUND_MIXER_VIDEO) 1114 #define SOUND_MASK_MONITOR (1 << SOUND_MIXER_MONITOR) 1115 1116 /* Obsolete macros */ 1117 #define SOUND_MASK_MUTE (1 << SOUND_MIXER_MUTE) 1118 #define SOUND_MASK_ENHANCE (1 << SOUND_MIXER_ENHANCE) 1119 #define SOUND_MASK_LOUD (1 << SOUND_MIXER_LOUD) 1120 1121 #define MIXER_READ(dev) _IOR('M', dev, int) 1122 #define SOUND_MIXER_READ_VOLUME MIXER_READ(SOUND_MIXER_VOLUME) 1123 #define SOUND_MIXER_READ_BASS MIXER_READ(SOUND_MIXER_BASS) 1124 #define SOUND_MIXER_READ_TREBLE MIXER_READ(SOUND_MIXER_TREBLE) 1125 #define SOUND_MIXER_READ_SYNTH MIXER_READ(SOUND_MIXER_SYNTH) 1126 #define SOUND_MIXER_READ_PCM MIXER_READ(SOUND_MIXER_PCM) 1127 #define SOUND_MIXER_READ_SPEAKER MIXER_READ(SOUND_MIXER_SPEAKER) 1128 #define SOUND_MIXER_READ_LINE MIXER_READ(SOUND_MIXER_LINE) 1129 #define SOUND_MIXER_READ_MIC MIXER_READ(SOUND_MIXER_MIC) 1130 #define SOUND_MIXER_READ_CD MIXER_READ(SOUND_MIXER_CD) 1131 #define SOUND_MIXER_READ_IMIX MIXER_READ(SOUND_MIXER_IMIX) 1132 #define SOUND_MIXER_READ_ALTPCM MIXER_READ(SOUND_MIXER_ALTPCM) 1133 #define SOUND_MIXER_READ_RECLEV MIXER_READ(SOUND_MIXER_RECLEV) 1134 #define SOUND_MIXER_READ_IGAIN MIXER_READ(SOUND_MIXER_IGAIN) 1135 #define SOUND_MIXER_READ_OGAIN MIXER_READ(SOUND_MIXER_OGAIN) 1136 #define SOUND_MIXER_READ_LINE1 MIXER_READ(SOUND_MIXER_LINE1) 1137 #define SOUND_MIXER_READ_LINE2 MIXER_READ(SOUND_MIXER_LINE2) 1138 #define SOUND_MIXER_READ_LINE3 MIXER_READ(SOUND_MIXER_LINE3) 1139 #define SOUND_MIXER_READ_DIGITAL1 MIXER_READ(SOUND_MIXER_DIGITAL1) 1140 #define SOUND_MIXER_READ_DIGITAL2 MIXER_READ(SOUND_MIXER_DIGITAL2) 1141 #define SOUND_MIXER_READ_DIGITAL3 MIXER_READ(SOUND_MIXER_DIGITAL3) 1142 #define SOUND_MIXER_READ_PHONEIN MIXER_READ(SOUND_MIXER_PHONEIN) 1143 #define SOUND_MIXER_READ_PHONEOUT MIXER_READ(SOUND_MIXER_PHONEOUT) 1144 #define SOUND_MIXER_READ_RADIO MIXER_READ(SOUND_MIXER_RADIO) 1145 #define SOUND_MIXER_READ_VIDEO MIXER_READ(SOUND_MIXER_VIDEO) 1146 #define SOUND_MIXER_READ_MONITOR MIXER_READ(SOUND_MIXER_MONITOR) 1147 1148 /* Obsolete macros */ 1149 #define SOUND_MIXER_READ_MUTE MIXER_READ(SOUND_MIXER_MUTE) 1150 #define SOUND_MIXER_READ_ENHANCE MIXER_READ(SOUND_MIXER_ENHANCE) 1151 #define SOUND_MIXER_READ_LOUD MIXER_READ(SOUND_MIXER_LOUD) 1152 1153 #define SOUND_MIXER_READ_RECSRC MIXER_READ(SOUND_MIXER_RECSRC) 1154 #define SOUND_MIXER_READ_DEVMASK MIXER_READ(SOUND_MIXER_DEVMASK) 1155 #define SOUND_MIXER_READ_RECMASK MIXER_READ(SOUND_MIXER_RECMASK) 1156 #define SOUND_MIXER_READ_STEREODEVS MIXER_READ(SOUND_MIXER_STEREODEVS) 1157 #define SOUND_MIXER_READ_CAPS MIXER_READ(SOUND_MIXER_CAPS) 1158 1159 #define MIXER_WRITE(dev) _IOWR('M', dev, int) 1160 #define SOUND_MIXER_WRITE_VOLUME MIXER_WRITE(SOUND_MIXER_VOLUME) 1161 #define SOUND_MIXER_WRITE_BASS MIXER_WRITE(SOUND_MIXER_BASS) 1162 #define SOUND_MIXER_WRITE_TREBLE MIXER_WRITE(SOUND_MIXER_TREBLE) 1163 #define SOUND_MIXER_WRITE_SYNTH MIXER_WRITE(SOUND_MIXER_SYNTH) 1164 #define SOUND_MIXER_WRITE_PCM MIXER_WRITE(SOUND_MIXER_PCM) 1165 #define SOUND_MIXER_WRITE_SPEAKER MIXER_WRITE(SOUND_MIXER_SPEAKER) 1166 #define SOUND_MIXER_WRITE_LINE MIXER_WRITE(SOUND_MIXER_LINE) 1167 #define SOUND_MIXER_WRITE_MIC MIXER_WRITE(SOUND_MIXER_MIC) 1168 #define SOUND_MIXER_WRITE_CD MIXER_WRITE(SOUND_MIXER_CD) 1169 #define SOUND_MIXER_WRITE_IMIX MIXER_WRITE(SOUND_MIXER_IMIX) 1170 #define SOUND_MIXER_WRITE_ALTPCM MIXER_WRITE(SOUND_MIXER_ALTPCM) 1171 #define SOUND_MIXER_WRITE_RECLEV MIXER_WRITE(SOUND_MIXER_RECLEV) 1172 #define SOUND_MIXER_WRITE_IGAIN MIXER_WRITE(SOUND_MIXER_IGAIN) 1173 #define SOUND_MIXER_WRITE_OGAIN MIXER_WRITE(SOUND_MIXER_OGAIN) 1174 #define SOUND_MIXER_WRITE_LINE1 MIXER_WRITE(SOUND_MIXER_LINE1) 1175 #define SOUND_MIXER_WRITE_LINE2 MIXER_WRITE(SOUND_MIXER_LINE2) 1176 #define SOUND_MIXER_WRITE_LINE3 MIXER_WRITE(SOUND_MIXER_LINE3) 1177 #define SOUND_MIXER_WRITE_DIGITAL1 MIXER_WRITE(SOUND_MIXER_DIGITAL1) 1178 #define SOUND_MIXER_WRITE_DIGITAL2 MIXER_WRITE(SOUND_MIXER_DIGITAL2) 1179 #define SOUND_MIXER_WRITE_DIGITAL3 MIXER_WRITE(SOUND_MIXER_DIGITAL3) 1180 #define SOUND_MIXER_WRITE_PHONEIN MIXER_WRITE(SOUND_MIXER_PHONEIN) 1181 #define SOUND_MIXER_WRITE_PHONEOUT MIXER_WRITE(SOUND_MIXER_PHONEOUT) 1182 #define SOUND_MIXER_WRITE_RADIO MIXER_WRITE(SOUND_MIXER_RADIO) 1183 #define SOUND_MIXER_WRITE_VIDEO MIXER_WRITE(SOUND_MIXER_VIDEO) 1184 #define SOUND_MIXER_WRITE_MONITOR MIXER_WRITE(SOUND_MIXER_MONITOR) 1185 1186 #define SOUND_MIXER_WRITE_MUTE MIXER_WRITE(SOUND_MIXER_MUTE) 1187 #define SOUND_MIXER_WRITE_ENHANCE MIXER_WRITE(SOUND_MIXER_ENHANCE) 1188 #define SOUND_MIXER_WRITE_LOUD MIXER_WRITE(SOUND_MIXER_LOUD) 1189 1190 #define SOUND_MIXER_WRITE_RECSRC MIXER_WRITE(SOUND_MIXER_RECSRC) 1191 1192 typedef struct mixer_info { 1193 char id[16]; 1194 char name[32]; 1195 int modify_counter; 1196 int fillers[10]; 1197 } mixer_info; 1198 1199 #define SOUND_MIXER_INFO _IOR('M', 101, mixer_info) 1200 1201 #define LEFT_CHN 0 1202 #define RIGHT_CHN 1 1203 1204 /* 1205 * Level 2 event types for /dev/sequencer 1206 */ 1207 1208 /* 1209 * The 4 most significant bits of byte 0 specify the class of 1210 * the event: 1211 * 1212 * 0x8X = system level events, 1213 * 0x9X = device/port specific events, event[1] = device/port, 1214 * The last 4 bits give the subtype: 1215 * 0x02 = Channel event (event[3] = chn). 1216 * 0x01 = note event (event[4] = note). 1217 * (0x01 is not used alone but always with bit 0x02). 1218 * event[2] = MIDI message code (0x80=note off etc.) 1219 * 1220 */ 1221 1222 #define EV_SEQ_LOCAL 0x80 1223 #define EV_TIMING 0x81 1224 #define EV_CHN_COMMON 0x92 1225 #define EV_CHN_VOICE 0x93 1226 #define EV_SYSEX 0x94 1227 /* 1228 * Event types 200 to 220 are reserved for application use. 1229 * These numbers will not be used by the driver. 1230 */ 1231 1232 /* 1233 * Events for event type EV_CHN_VOICE 1234 */ 1235 1236 #define MIDI_NOTEOFF 0x80 1237 #define MIDI_NOTEON 0x90 1238 #define MIDI_KEY_PRESSURE 0xA0 1239 1240 /* 1241 * Events for event type EV_CHN_COMMON 1242 */ 1243 1244 #define MIDI_CTL_CHANGE 0xB0 1245 #define MIDI_PGM_CHANGE 0xC0 1246 #define MIDI_CHN_PRESSURE 0xD0 1247 #define MIDI_PITCH_BEND 0xE0 1248 1249 #define MIDI_SYSTEM_PREFIX 0xF0 1250 1251 /* 1252 * Timer event types 1253 */ 1254 #define TMR_WAIT_REL 1 /* Time relative to the prev time */ 1255 #define TMR_WAIT_ABS 2 /* Absolute time since TMR_START */ 1256 #define TMR_STOP 3 1257 #define TMR_START 4 1258 #define TMR_CONTINUE 5 1259 #define TMR_TEMPO 6 1260 #define TMR_ECHO 8 1261 #define TMR_CLOCK 9 /* MIDI clock */ 1262 #define TMR_SPP 10 /* Song position pointer */ 1263 #define TMR_TIMESIG 11 /* Time signature */ 1264 1265 /* 1266 * Local event types 1267 */ 1268 #define LOCL_STARTAUDIO 1 1269 1270 #if !defined(_KERNEL) || defined(USE_SEQ_MACROS) 1271 /* 1272 * Some convenience macros to simplify programming of the 1273 * /dev/sequencer interface 1274 * 1275 * These macros define the API which should be used when possible. 1276 */ 1277 1278 #ifndef USE_SIMPLE_MACROS 1279 void seqbuf_dump(void); /* This function must be provided by programs */ 1280 1281 /* Sample seqbuf_dump() implementation: 1282 * 1283 * SEQ_DEFINEBUF (2048); -- Defines a buffer for 2048 bytes 1284 * 1285 * int seqfd; -- The file descriptor for /dev/sequencer. 1286 * 1287 * void 1288 * seqbuf_dump () 1289 * { 1290 * if (_seqbufptr) 1291 * if (write (seqfd, _seqbuf, _seqbufptr) == -1) 1292 * { 1293 * perror ("write /dev/sequencer"); 1294 * exit (-1); 1295 * } 1296 * _seqbufptr = 0; 1297 * } 1298 */ 1299 1300 #define SEQ_DEFINEBUF(len) \ 1301 u_char _seqbuf[len]; int _seqbuflen = len;int _seqbufptr = 0 1302 #define SEQ_USE_EXTBUF() \ 1303 extern u_char _seqbuf[]; \ 1304 extern int _seqbuflen;extern int _seqbufptr 1305 #define SEQ_DECLAREBUF() SEQ_USE_EXTBUF() 1306 #define SEQ_PM_DEFINES struct patmgr_info _pm_info 1307 #define _SEQ_NEEDBUF(len) \ 1308 if ((_seqbufptr+(len)) > _seqbuflen) \ 1309 seqbuf_dump() 1310 #define _SEQ_ADVBUF(len) _seqbufptr += len 1311 #define SEQ_DUMPBUF seqbuf_dump 1312 #else 1313 /* 1314 * This variation of the sequencer macros is used just to format one event 1315 * using fixed buffer. 1316 * 1317 * The program using the macro library must define the following macros before 1318 * using this library. 1319 * 1320 * #define _seqbuf name of the buffer (u_char[]) 1321 * #define _SEQ_ADVBUF(len) If the applic needs to know the exact 1322 * size of the event, this macro can be used. 1323 * Otherwise this must be defined as empty. 1324 * #define _seqbufptr Define the name of index variable or 0 if 1325 * not required. 1326 */ 1327 #define _SEQ_NEEDBUF(len) /* empty */ 1328 #endif 1329 1330 #define PM_LOAD_PATCH(dev, bank, pgm) \ 1331 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1332 _pm_info.device=dev, _pm_info.data.data8[0]=pgm, \ 1333 _pm_info.parm1 = bank, _pm_info.parm2 = 1, \ 1334 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1335 #define PM_LOAD_PATCHES(dev, bank, pgm) \ 1336 (SEQ_DUMPBUF(), _pm_info.command = _PM_LOAD_PATCH, \ 1337 _pm_info.device=dev, bcopy( pgm, _pm_info.data.data8, 128), \ 1338 _pm_info.parm1 = bank, _pm_info.parm2 = 128, \ 1339 ioctl(seqfd, SNDCTL_PMGR_ACCESS, &_pm_info)) 1340 1341 #define SEQ_VOLUME_MODE(dev, mode) { \ 1342 _SEQ_NEEDBUF(8);\ 1343 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1344 _seqbuf[_seqbufptr+1] = SEQ_VOLMODE;\ 1345 _seqbuf[_seqbufptr+2] = (dev);\ 1346 _seqbuf[_seqbufptr+3] = (mode);\ 1347 _seqbuf[_seqbufptr+4] = 0;\ 1348 _seqbuf[_seqbufptr+5] = 0;\ 1349 _seqbuf[_seqbufptr+6] = 0;\ 1350 _seqbuf[_seqbufptr+7] = 0;\ 1351 _SEQ_ADVBUF(8);} 1352 1353 /* 1354 * Midi voice messages 1355 */ 1356 1357 #define _CHN_VOICE(dev, event, chn, note, parm) { \ 1358 _SEQ_NEEDBUF(8);\ 1359 _seqbuf[_seqbufptr] = EV_CHN_VOICE;\ 1360 _seqbuf[_seqbufptr+1] = (dev);\ 1361 _seqbuf[_seqbufptr+2] = (event);\ 1362 _seqbuf[_seqbufptr+3] = (chn);\ 1363 _seqbuf[_seqbufptr+4] = (note);\ 1364 _seqbuf[_seqbufptr+5] = (parm);\ 1365 _seqbuf[_seqbufptr+6] = (0);\ 1366 _seqbuf[_seqbufptr+7] = 0;\ 1367 _SEQ_ADVBUF(8);} 1368 1369 #define SEQ_START_NOTE(dev, chn, note, vol) \ 1370 _CHN_VOICE(dev, MIDI_NOTEON, chn, note, vol) 1371 1372 #define SEQ_STOP_NOTE(dev, chn, note, vol) \ 1373 _CHN_VOICE(dev, MIDI_NOTEOFF, chn, note, vol) 1374 1375 #define SEQ_KEY_PRESSURE(dev, chn, note, pressure) \ 1376 _CHN_VOICE(dev, MIDI_KEY_PRESSURE, chn, note, pressure) 1377 1378 /* 1379 * Midi channel messages 1380 */ 1381 1382 #define _CHN_COMMON(dev, event, chn, p1, p2, w14) { \ 1383 _SEQ_NEEDBUF(8);\ 1384 _seqbuf[_seqbufptr] = EV_CHN_COMMON;\ 1385 _seqbuf[_seqbufptr+1] = (dev);\ 1386 _seqbuf[_seqbufptr+2] = (event);\ 1387 _seqbuf[_seqbufptr+3] = (chn);\ 1388 _seqbuf[_seqbufptr+4] = (p1);\ 1389 _seqbuf[_seqbufptr+5] = (p2);\ 1390 *(short *)&_seqbuf[_seqbufptr+6] = (w14);\ 1391 _SEQ_ADVBUF(8);} 1392 /* 1393 * SEQ_SYSEX permits sending of sysex messages. (It may look that it permits 1394 * sending any MIDI bytes but it's absolutely not possible. Trying to do 1395 * so _will_ cause problems with MPU401 intelligent mode). 1396 * 1397 * Sysex messages are sent in blocks of 1 to 6 bytes. Longer messages must be 1398 * sent by calling SEQ_SYSEX() several times (there must be no other events 1399 * between them). First sysex fragment must have 0xf0 in the first byte 1400 * and the last byte (buf[len-1] of the last fragment must be 0xf7. No byte 1401 * between these sysex start and end markers cannot be larger than 0x7f. Also 1402 * lengths of each fragments (except the last one) must be 6. 1403 * 1404 * Breaking the above rules may work with some MIDI ports but is likely to 1405 * cause fatal problems with some other devices (such as MPU401). 1406 */ 1407 #define SEQ_SYSEX(dev, buf, len) { \ 1408 int i, l=(len); if (l>6)l=6;\ 1409 _SEQ_NEEDBUF(8);\ 1410 _seqbuf[_seqbufptr] = EV_SYSEX;\ 1411 _seqbuf[_seqbufptr+1] = (dev);\ 1412 for(i=0;i<l;i++)_seqbuf[_seqbufptr+i+2] = (buf)[i];\ 1413 for(i=l;i<6;i++)_seqbuf[_seqbufptr+i+2] = 0xff;\ 1414 _SEQ_ADVBUF(8);} 1415 1416 #define SEQ_CHN_PRESSURE(dev, chn, pressure) \ 1417 _CHN_COMMON(dev, MIDI_CHN_PRESSURE, chn, pressure, 0, 0) 1418 1419 #define SEQ_SET_PATCH(dev, chn, patch) \ 1420 _CHN_COMMON(dev, MIDI_PGM_CHANGE, chn, patch, 0, 0) 1421 1422 #define SEQ_CONTROL(dev, chn, controller, value) \ 1423 _CHN_COMMON(dev, MIDI_CTL_CHANGE, chn, controller, 0, value) 1424 1425 #define SEQ_BENDER(dev, chn, value) \ 1426 _CHN_COMMON(dev, MIDI_PITCH_BEND, chn, 0, 0, value) 1427 1428 #define SEQ_V2_X_CONTROL(dev, voice, controller, value) { \ 1429 _SEQ_NEEDBUF(8);\ 1430 _seqbuf[_seqbufptr] = SEQ_EXTENDED;\ 1431 _seqbuf[_seqbufptr+1] = SEQ_CONTROLLER;\ 1432 _seqbuf[_seqbufptr+2] = (dev);\ 1433 _seqbuf[_seqbufptr+3] = (voice);\ 1434 _seqbuf[_seqbufptr+4] = (controller);\ 1435 *(short *)&_seqbuf[_seqbufptr+5] = (value);\ 1436 _seqbuf[_seqbufptr+7] = 0;\ 1437 _SEQ_ADVBUF(8);} 1438 1439 /* 1440 * The following 5 macros are incorrectly implemented and obsolete. 1441 * Use SEQ_BENDER and SEQ_CONTROL (with proper controller) instead. 1442 */ 1443 1444 #define SEQ_PITCHBEND(dev, voice, value) \ 1445 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER, value) 1446 #define SEQ_BENDER_RANGE(dev, voice, value) \ 1447 SEQ_V2_X_CONTROL(dev, voice, CTRL_PITCH_BENDER_RANGE, value) 1448 #define SEQ_EXPRESSION(dev, voice, value) \ 1449 SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128) 1450 #define SEQ_MAIN_VOLUME(dev, voice, value) \ 1451 SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100) 1452 #define SEQ_PANNING(dev, voice, pos) \ 1453 SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2) 1454 1455 /* 1456 * Timing and synchronization macros 1457 */ 1458 1459 #define _TIMER_EVENT(ev, parm) { \ 1460 _SEQ_NEEDBUF(8);\ 1461 _seqbuf[_seqbufptr+0] = EV_TIMING; \ 1462 _seqbuf[_seqbufptr+1] = (ev); \ 1463 _seqbuf[_seqbufptr+2] = 0;\ 1464 _seqbuf[_seqbufptr+3] = 0;\ 1465 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1466 _SEQ_ADVBUF(8); \ 1467 } 1468 1469 #define SEQ_START_TIMER() _TIMER_EVENT(TMR_START, 0) 1470 #define SEQ_STOP_TIMER() _TIMER_EVENT(TMR_STOP, 0) 1471 #define SEQ_CONTINUE_TIMER() _TIMER_EVENT(TMR_CONTINUE, 0) 1472 #define SEQ_WAIT_TIME(ticks) _TIMER_EVENT(TMR_WAIT_ABS, ticks) 1473 #define SEQ_DELTA_TIME(ticks) _TIMER_EVENT(TMR_WAIT_REL, ticks) 1474 #define SEQ_ECHO_BACK(key) _TIMER_EVENT(TMR_ECHO, key) 1475 #define SEQ_SET_TEMPO(value) _TIMER_EVENT(TMR_TEMPO, value) 1476 #define SEQ_SONGPOS(pos) _TIMER_EVENT(TMR_SPP, pos) 1477 #define SEQ_TIME_SIGNATURE(sig) _TIMER_EVENT(TMR_TIMESIG, sig) 1478 1479 /* 1480 * Local control events 1481 */ 1482 1483 #define _LOCAL_EVENT(ev, parm) { \ 1484 _SEQ_NEEDBUF(8);\ 1485 _seqbuf[_seqbufptr+0] = EV_SEQ_LOCAL; \ 1486 _seqbuf[_seqbufptr+1] = (ev); \ 1487 _seqbuf[_seqbufptr+2] = 0;\ 1488 _seqbuf[_seqbufptr+3] = 0;\ 1489 *(u_int *)&_seqbuf[_seqbufptr+4] = (parm); \ 1490 _SEQ_ADVBUF(8); \ 1491 } 1492 1493 #define SEQ_PLAYAUDIO(devmask) _LOCAL_EVENT(LOCL_STARTAUDIO, devmask) 1494 /* 1495 * Events for the level 1 interface only 1496 */ 1497 1498 #define SEQ_MIDIOUT(device, byte) { \ 1499 _SEQ_NEEDBUF(4);\ 1500 _seqbuf[_seqbufptr] = SEQ_MIDIPUTC;\ 1501 _seqbuf[_seqbufptr+1] = (byte);\ 1502 _seqbuf[_seqbufptr+2] = (device);\ 1503 _seqbuf[_seqbufptr+3] = 0;\ 1504 _SEQ_ADVBUF(4);} 1505 1506 /* 1507 * Patch loading. 1508 */ 1509 #define SEQ_WRPATCH(patchx, len) { \ 1510 if (_seqbufptr) seqbuf_dump(); \ 1511 if (write(seqfd, (char*)(patchx), len)==-1) \ 1512 perror("Write patch: /dev/sequencer"); \ 1513 } 1514 1515 #define SEQ_WRPATCH2(patchx, len) \ 1516 ( seqbuf_dump(), write(seqfd, (char*)(patchx), len) ) 1517 1518 #endif 1519 1520 /* 1521 * Here I have moved all the aliases for ioctl names. 1522 */ 1523 1524 #define SNDCTL_DSP_SAMPLESIZE SNDCTL_DSP_SETFMT 1525 #define SOUND_PCM_WRITE_BITS SNDCTL_DSP_SETFMT 1526 #define SOUND_PCM_SETFMT SNDCTL_DSP_SETFMT 1527 1528 #define SOUND_PCM_WRITE_RATE SNDCTL_DSP_SPEED 1529 #define SOUND_PCM_POST SNDCTL_DSP_POST 1530 #define SOUND_PCM_RESET SNDCTL_DSP_RESET 1531 #define SOUND_PCM_SYNC SNDCTL_DSP_SYNC 1532 #define SOUND_PCM_SUBDIVIDE SNDCTL_DSP_SUBDIVIDE 1533 #define SOUND_PCM_SETFRAGMENT SNDCTL_DSP_SETFRAGMENT 1534 #define SOUND_PCM_GETFMTS SNDCTL_DSP_GETFMTS 1535 #define SOUND_PCM_GETOSPACE SNDCTL_DSP_GETOSPACE 1536 #define SOUND_PCM_GETISPACE SNDCTL_DSP_GETISPACE 1537 #define SOUND_PCM_NONBLOCK SNDCTL_DSP_NONBLOCK 1538 #define SOUND_PCM_GETCAPS SNDCTL_DSP_GETCAPS 1539 #define SOUND_PCM_GETTRIGGER SNDCTL_DSP_GETTRIGGER 1540 #define SOUND_PCM_SETTRIGGER SNDCTL_DSP_SETTRIGGER 1541 #define SOUND_PCM_SETSYNCRO SNDCTL_DSP_SETSYNCRO 1542 #define SOUND_PCM_GETIPTR SNDCTL_DSP_GETIPTR 1543 #define SOUND_PCM_GETOPTR SNDCTL_DSP_GETOPTR 1544 #define SOUND_PCM_MAPINBUF SNDCTL_DSP_MAPINBUF 1545 #define SOUND_PCM_MAPOUTBUF SNDCTL_DSP_MAPOUTBUF 1546 1547 /***********************************************************************/ 1548 1549 /** 1550 * XXX OSSv4 defines -- some bits taken straight out of the new 1551 * sys/soundcard.h bundled with recent OSS releases. 1552 * 1553 * NB: These macros and structures will be reorganized and inserted 1554 * in appropriate places throughout this file once the code begins 1555 * to take shape. 1556 * 1557 * @todo reorganize layout more like the 4Front version 1558 * @todo ask about maintaining __SIOWR vs. _IOWR ioctl cmd defines 1559 */ 1560 1561 /** 1562 * @note The @c OSSV4_EXPERIMENT macro is meant to wrap new development code 1563 * in the sound system relevant to adopting 4Front's OSSv4 specification. 1564 * Users should not enable this! Really! 1565 */ 1566 #if 0 1567 # define OSSV4_EXPERIMENT 1 1568 #else 1569 # undef OSSV4_EXPERIMENT 1570 #endif 1571 1572 #ifdef SOUND_VERSION 1573 # undef SOUND_VERSION 1574 # define SOUND_VERSION 0x040000 1575 #endif /* !SOUND_VERSION */ 1576 1577 #define OSS_LONGNAME_SIZE 64 1578 #define OSS_LABEL_SIZE 16 1579 #define OSS_DEVNODE_SIZE 32 1580 typedef char oss_longname_t[OSS_LONGNAME_SIZE]; 1581 typedef char oss_label_t[OSS_LABEL_SIZE]; 1582 typedef char oss_devnode_t[OSS_DEVNODE_SIZE]; 1583 1584 typedef struct audio_errinfo 1585 { 1586 int play_underruns; 1587 int rec_overruns; 1588 unsigned int play_ptradjust; 1589 unsigned int rec_ptradjust; 1590 int play_errorcount; 1591 int rec_errorcount; 1592 int play_lasterror; 1593 int rec_lasterror; 1594 long play_errorparm; 1595 long rec_errorparm; 1596 int filler[16]; 1597 } audio_errinfo; 1598 1599 #define SNDCTL_DSP_GETPLAYVOL _IOR ('P', 24, int) 1600 #define SNDCTL_DSP_SETPLAYVOL _IOWR('P', 24, int) 1601 #define SNDCTL_DSP_GETERROR _IOR ('P', 25, audio_errinfo) 1602 1603 /* 1604 **************************************************************************** 1605 * Sync groups for audio devices 1606 */ 1607 typedef struct oss_syncgroup 1608 { 1609 int id; 1610 int mode; 1611 int filler[16]; 1612 } oss_syncgroup; 1613 1614 #define SNDCTL_DSP_SYNCGROUP _IOWR('P', 28, oss_syncgroup) 1615 #define SNDCTL_DSP_SYNCSTART _IOW ('P', 29, int) 1616 1617 /* 1618 ************************************************************************** 1619 * "cooked" mode enables software based conversions for sample rate, sample 1620 * format (bits) and number of channels (mono/stereo). These conversions are 1621 * required with some devices that support only one sample rate or just stereo 1622 * to let the applications to use other formats. The cooked mode is enabled by 1623 * default. However it's necessary to disable this mode when mmap() is used or 1624 * when very deterministic timing is required. SNDCTL_DSP_COOKEDMODE is an 1625 * optional call introduced in OSS 3.9.6f. It's _error return must be ignored_ 1626 * since normally this call will return erno=EINVAL. 1627 * 1628 * SNDCTL_DSP_COOKEDMODE must be called immediately after open before doing 1629 * anything else. Otherwise the call will not have any effect. 1630 */ 1631 #define SNDCTL_DSP_COOKEDMODE _IOW ('P', 30, int) 1632 1633 /* 1634 ************************************************************************** 1635 * SNDCTL_DSP_SILENCE and SNDCTL_DSP_SKIP are new calls in OSS 3.99.0 1636 * that can be used to implement pause/continue during playback (no effect 1637 * on recording). 1638 */ 1639 #define SNDCTL_DSP_SILENCE _IO ('P', 31) 1640 #define SNDCTL_DSP_SKIP _IO ('P', 32) 1641 1642 /* 1643 **************************************************************************** 1644 * Abort transfer (reset) functions for input and output 1645 */ 1646 #define SNDCTL_DSP_HALT_INPUT _IO ('P', 33) 1647 #define SNDCTL_DSP_RESET_INPUT SNDCTL_DSP_HALT_INPUT /* Old name */ 1648 #define SNDCTL_DSP_HALT_OUTPUT _IO ('P', 34) 1649 #define SNDCTL_DSP_RESET_OUTPUT SNDCTL_DSP_HALT_OUTPUT /* Old name */ 1650 1651 /* 1652 **************************************************************************** 1653 * Low water level control 1654 */ 1655 #define SNDCTL_DSP_LOW_WATER _IOW ('P', 34, int) 1656 1657 /** @todo Get rid of OSS_NO_LONG_LONG references? */ 1658 1659 /* 1660 **************************************************************************** 1661 * 64 bit pointer support. Only available in environments that support 1662 * the 64 bit (long long) integer type. 1663 */ 1664 #ifndef OSS_NO_LONG_LONG 1665 typedef struct 1666 { 1667 long long samples; 1668 int fifo_samples; 1669 int filler[32]; /* For future use */ 1670 } oss_count_t; 1671 1672 #define SNDCTL_DSP_CURRENT_IPTR _IOR ('P', 35, oss_count_t) 1673 #define SNDCTL_DSP_CURRENT_OPTR _IOR ('P', 36, oss_count_t) 1674 #endif 1675 1676 /* 1677 **************************************************************************** 1678 * Interface for selecting recording sources and playback output routings. 1679 */ 1680 #define SNDCTL_DSP_GET_RECSRC_NAMES _IOR ('P', 37, oss_mixer_enuminfo) 1681 #define SNDCTL_DSP_GET_RECSRC _IOR ('P', 38, int) 1682 #define SNDCTL_DSP_SET_RECSRC _IOWR('P', 38, int) 1683 1684 #define SNDCTL_DSP_GET_PLAYTGT_NAMES _IOR ('P', 39, oss_mixer_enuminfo) 1685 #define SNDCTL_DSP_GET_PLAYTGT _IOR ('P', 40, int) 1686 #define SNDCTL_DSP_SET_PLAYTGT _IOWR('P', 40, int) 1687 #define SNDCTL_DSP_GETRECVOL _IOR ('P', 41, int) 1688 #define SNDCTL_DSP_SETRECVOL _IOWR('P', 41, int) 1689 1690 /* 1691 *************************************************************************** 1692 * Some calls for setting the channel assignment with multi channel devices 1693 * (see the manual for details). */ 1694 #define SNDCTL_DSP_GET_CHNORDER _IOR ('P', 42, unsigned long long) 1695 #define SNDCTL_DSP_SET_CHNORDER _IOWR('P', 42, unsigned long long) 1696 # define CHID_UNDEF 0 1697 # define CHID_L 1 1698 # define CHID_R 2 1699 # define CHID_C 3 1700 # define CHID_LFE 4 1701 # define CHID_LS 5 1702 # define CHID_RS 6 1703 # define CHID_LR 7 1704 # define CHID_RR 8 1705 #define CHNORDER_UNDEF 0x0000000000000000ULL 1706 #define CHNORDER_NORMAL 0x0000000087654321ULL 1707 1708 #define MAX_PEAK_CHANNELS 128 1709 typedef unsigned short oss_peaks_t[MAX_PEAK_CHANNELS]; 1710 #define SNDCTL_DSP_GETIPEAKS _IOR('P', 43, oss_peaks_t) 1711 #define SNDCTL_DSP_GETOPEAKS _IOR('P', 44, oss_peaks_t) 1712 #define SNDCTL_DSP_POLICY _IOW('P', 45, int) /* See the manual */ 1713 1714 /* 1715 **************************************************************************** 1716 * Few ioctl calls that are not official parts of OSS. They have been used 1717 * by few freeware implementations of OSS. 1718 */ 1719 #define SNDCTL_DSP_GETCHANNELMASK _IOWR('P', 64, int) 1720 #define SNDCTL_DSP_BIND_CHANNEL _IOWR('P', 65, int) 1721 #define DSP_BIND_QUERY 0x00000000 1722 #define DSP_BIND_FRONT 0x00000001 1723 #define DSP_BIND_SURR 0x00000002 1724 #define DSP_BIND_CENTER_LFE 0x00000004 1725 #define DSP_BIND_HANDSET 0x00000008 1726 #define DSP_BIND_MIC 0x00000010 1727 #define DSP_BIND_MODEM1 0x00000020 1728 #define DSP_BIND_MODEM2 0x00000040 1729 #define DSP_BIND_I2S 0x00000080 1730 #define DSP_BIND_SPDIF 0x00000100 1731 #define DSP_BIND_REAR 0x00000200 1732 1733 /* 1734 * OSS_SYSIFO is obsolete. Use SNDCTL_SYSINFO insteads. 1735 */ 1736 #define OSS_GETVERSION _IOR ('M', 118, int) 1737 1738 /** 1739 * @brief Argument for SNDCTL_SYSINFO ioctl. 1740 * 1741 * For use w/ the SNDCTL_SYSINFO ioctl available on audio (/dev/dsp*), 1742 * mixer, and MIDI devices. 1743 */ 1744 typedef struct oss_sysinfo 1745 { 1746 char product[32]; /* For example OSS/Free, OSS/Linux or 1747 OSS/Solaris */ 1748 char version[32]; /* For example 4.0a */ 1749 int versionnum; /* See OSS_GETVERSION */ 1750 char options[128]; /* Reserved */ 1751 1752 int numaudios; /* # of audio/dsp devices */ 1753 int openedaudio[8]; /* Bit mask telling which audio devices 1754 are busy */ 1755 1756 int numsynths; /* # of available synth devices */ 1757 int nummidis; /* # of available MIDI ports */ 1758 int numtimers; /* # of available timer devices */ 1759 int nummixers; /* # of mixer devices */ 1760 1761 int openedmidi[8]; /* Bit mask telling which midi devices 1762 are busy */ 1763 int numcards; /* Number of sound cards in the system */ 1764 int numaudioengines; /* Number of audio engines in the system */ 1765 char license[16]; /* For example "GPL" or "CDDL" */ 1766 char revision_info[256]; /* For internal use */ 1767 int filler[172]; /* For future expansion (set to -1) */ 1768 } oss_sysinfo; 1769 1770 typedef struct oss_mixext 1771 { 1772 int dev; /* Mixer device number */ 1773 int ctrl; /* Controller number */ 1774 int type; /* Entry type */ 1775 # define MIXT_DEVROOT 0 /* Device root entry */ 1776 # define MIXT_GROUP 1 /* Controller group */ 1777 # define MIXT_ONOFF 2 /* OFF (0) or ON (1) */ 1778 # define MIXT_ENUM 3 /* Enumerated (0 to maxvalue) */ 1779 # define MIXT_MONOSLIDER 4 /* Mono slider (0 to 100) */ 1780 # define MIXT_STEREOSLIDER 5 /* Stereo slider (dual 0 to 100) */ 1781 # define MIXT_MESSAGE 6 /* (Readable) textual message */ 1782 # define MIXT_MONOVU 7 /* VU meter value (mono) */ 1783 # define MIXT_STEREOVU 8 /* VU meter value (stereo) */ 1784 # define MIXT_MONOPEAK 9 /* VU meter peak value (mono) */ 1785 # define MIXT_STEREOPEAK 10 /* VU meter peak value (stereo) */ 1786 # define MIXT_RADIOGROUP 11 /* Radio button group */ 1787 # define MIXT_MARKER 12 /* Separator between normal and extension entries */ 1788 # define MIXT_VALUE 13 /* Decimal value entry */ 1789 # define MIXT_HEXVALUE 14 /* Hexadecimal value entry */ 1790 # define MIXT_MONODB 15 /* Mono atten. slider (0 to -144) */ 1791 # define MIXT_STEREODB 16 /* Stereo atten. slider (dual 0 to -144) */ 1792 # define MIXT_SLIDER 17 /* Slider (mono) with full integer range */ 1793 # define MIXT_3D 18 1794 1795 /* Possible value range (minvalue to maxvalue) */ 1796 /* Note that maxvalue may also be smaller than minvalue */ 1797 int maxvalue; 1798 int minvalue; 1799 1800 int flags; 1801 # define MIXF_READABLE 0x00000001 /* Has readable value */ 1802 # define MIXF_WRITEABLE 0x00000002 /* Has writeable value */ 1803 # define MIXF_POLL 0x00000004 /* May change itself */ 1804 # define MIXF_HZ 0x00000008 /* Herz scale */ 1805 # define MIXF_STRING 0x00000010 /* Use dynamic extensions for value */ 1806 # define MIXF_DYNAMIC 0x00000010 /* Supports dynamic extensions */ 1807 # define MIXF_OKFAIL 0x00000020 /* Interpret value as 1=OK, 0=FAIL */ 1808 # define MIXF_FLAT 0x00000040 /* Flat vertical space requirements */ 1809 # define MIXF_LEGACY 0x00000080 /* Legacy mixer control group */ 1810 char id[16]; /* Mnemonic ID (mainly for internal use) */ 1811 int parent; /* Entry# of parent (group) node (-1 if root) */ 1812 1813 int dummy; /* Internal use */ 1814 1815 int timestamp; 1816 1817 char data[64]; /* Misc data (entry type dependent) */ 1818 unsigned char enum_present[32]; /* Mask of allowed enum values */ 1819 int control_no; /* SOUND_MIXER_VOLUME..SOUND_MIXER_MIDI */ 1820 /* (-1 means not indicated) */ 1821 1822 /* 1823 * The desc field is reserved for internal purposes of OSS. It should not be 1824 * used by applications. 1825 */ 1826 unsigned int desc; 1827 #define MIXEXT_SCOPE_MASK 0x0000003f 1828 #define MIXEXT_SCOPE_OTHER 0x00000000 1829 #define MIXEXT_SCOPE_INPUT 0x00000001 1830 #define MIXEXT_SCOPE_OUTPUT 0x00000002 1831 #define MIXEXT_SCOPE_MONITOR 0x00000003 1832 #define MIXEXT_SCOPE_RECSWITCH 0x00000004 1833 1834 char extname[32]; 1835 int update_counter; 1836 int filler[7]; 1837 } oss_mixext; 1838 1839 typedef struct oss_mixext_root 1840 { 1841 char id[16]; 1842 char name[48]; 1843 } oss_mixext_root; 1844 1845 typedef struct oss_mixer_value 1846 { 1847 int dev; 1848 int ctrl; 1849 int value; 1850 int flags; /* Reserved for future use. Initialize to 0 */ 1851 int timestamp; /* Must be set to oss_mixext.timestamp */ 1852 int filler[8]; /* Reserved for future use. Initialize to 0 */ 1853 } oss_mixer_value; 1854 1855 #define OSS_ENUM_MAXVALUE 255 1856 typedef struct oss_mixer_enuminfo 1857 { 1858 int dev; 1859 int ctrl; 1860 int nvalues; 1861 int version; /* Read the manual */ 1862 short strindex[OSS_ENUM_MAXVALUE]; 1863 char strings[3000]; 1864 } oss_mixer_enuminfo; 1865 1866 #define OPEN_READ PCM_ENABLE_INPUT 1867 #define OPEN_WRITE PCM_ENABLE_OUTPUT 1868 #define OPEN_READWRITE (OPEN_READ|OPEN_WRITE) 1869 1870 /** 1871 * @brief Argument for SNDCTL_AUDIOINFO ioctl. 1872 * 1873 * For use w/ the SNDCTL_AUDIOINFO ioctl available on audio (/dev/dsp*) 1874 * devices. 1875 */ 1876 typedef struct oss_audioinfo 1877 { 1878 int dev; /* Audio device number */ 1879 char name[64]; 1880 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1881 int pid; 1882 int caps; /* DSP_CAP_INPUT, DSP_CAP_OUTPUT */ 1883 int iformats; 1884 int oformats; 1885 int magic; /* Reserved for internal use */ 1886 char cmd[64]; /* Command using the device (if known) */ 1887 int card_number; 1888 int port_number; 1889 int mixer_dev; 1890 int legacy_device; /* Obsolete field. Replaced by devnode */ 1891 int enabled; /* 1=enabled, 0=device not ready at this 1892 moment */ 1893 int flags; /* For internal use only - no practical 1894 meaning */ 1895 int min_rate; /* Sample rate limits */ 1896 int max_rate; 1897 int min_channels; /* Number of channels supported */ 1898 int max_channels; 1899 int binding; /* DSP_BIND_FRONT, etc. 0 means undefined */ 1900 int rate_source; 1901 char handle[32]; 1902 #define OSS_MAX_SAMPLE_RATES 20 /* Cannot be changed */ 1903 unsigned int nrates; 1904 unsigned int rates[OSS_MAX_SAMPLE_RATES]; /* Please read the manual before using these */ 1905 oss_longname_t song_name; /* Song name (if given) */ 1906 oss_label_t label; /* Device label (if given) */ 1907 int latency; /* In usecs, -1=unknown */ 1908 oss_devnode_t devnode; /* Device special file name (inside 1909 /dev) */ 1910 int next_play_engine; 1911 int next_rec_engine; 1912 int filler[184]; 1913 } oss_audioinfo; 1914 1915 typedef struct oss_mixerinfo 1916 { 1917 int dev; 1918 char id[16]; 1919 char name[32]; 1920 int modify_counter; 1921 int card_number; 1922 int port_number; 1923 char handle[32]; 1924 int magic; /* Reserved */ 1925 int enabled; /* Reserved */ 1926 int caps; 1927 #define MIXER_CAP_VIRTUAL 0x00000001 1928 int flags; /* Reserved */ 1929 int nrext; 1930 /* 1931 * The priority field can be used to select the default (motherboard) 1932 * mixer device. The mixer with the highest priority is the 1933 * most preferred one. -2 or less means that this device cannot be used 1934 * as the default mixer. 1935 */ 1936 int priority; 1937 oss_devnode_t devnode; 1938 int legacy_device; 1939 int filler[245]; /* Reserved */ 1940 } oss_mixerinfo; 1941 1942 typedef struct oss_midi_info 1943 { 1944 int dev; /* Midi device number */ 1945 char name[64]; 1946 int busy; /* 0, OPEN_READ, OPEN_WRITE or OPEN_READWRITE */ 1947 int pid; 1948 char cmd[64]; /* Command using the device (if known) */ 1949 int caps; 1950 #define MIDI_CAP_MPU401 0x00000001 /**** OBSOLETE ****/ 1951 #define MIDI_CAP_INPUT 0x00000002 1952 #define MIDI_CAP_OUTPUT 0x00000004 1953 #define MIDI_CAP_INOUT (MIDI_CAP_INPUT|MIDI_CAP_OUTPUT) 1954 #define MIDI_CAP_VIRTUAL 0x00000008 /* Pseudo device */ 1955 #define MIDI_CAP_MTCINPUT 0x00000010 /* Supports SNDCTL_MIDI_MTCINPUT */ 1956 #define MIDI_CAP_CLIENT 0x00000020 /* Virtual client side device */ 1957 #define MIDI_CAP_SERVER 0x00000040 /* Virtual server side device */ 1958 #define MIDI_CAP_INTERNAL 0x00000080 /* Internal (synth) device */ 1959 #define MIDI_CAP_EXTERNAL 0x00000100 /* external (MIDI port) device */ 1960 #define MIDI_CAP_PTOP 0x00000200 /* Point to point link to one device */ 1961 #define MIDI_CAP_MTC 0x00000400 /* MTC/SMPTE (control) device */ 1962 int magic; /* Reserved for internal use */ 1963 int card_number; 1964 int port_number; 1965 int enabled; /* 1=enabled, 0=device not ready at this moment */ 1966 int flags; /* For internal use only - no practical meaning */ 1967 char handle[32]; 1968 oss_longname_t song_name; /* Song name (if known) */ 1969 oss_label_t label; /* Device label (if given) */ 1970 int latency; /* In usecs, -1=unknown */ 1971 int filler[244]; 1972 } oss_midi_info; 1973 1974 typedef struct oss_card_info 1975 { 1976 int card; 1977 char shortname[16]; 1978 char longname[128]; 1979 int flags; 1980 char hw_info[400]; 1981 int intr_count, ack_count; 1982 int filler[154]; 1983 } oss_card_info; 1984 1985 #define SNDCTL_SYSINFO _IOR ('X', 1, oss_sysinfo) 1986 #define OSS_SYSINFO SNDCTL_SYSINFO /* Old name */ 1987 1988 #define SNDCTL_MIX_NRMIX _IOR ('X', 2, int) 1989 #define SNDCTL_MIX_NREXT _IOWR('X', 3, int) 1990 #define SNDCTL_MIX_EXTINFO _IOWR('X', 4, oss_mixext) 1991 #define SNDCTL_MIX_READ _IOWR('X', 5, oss_mixer_value) 1992 #define SNDCTL_MIX_WRITE _IOWR('X', 6, oss_mixer_value) 1993 1994 #define SNDCTL_AUDIOINFO _IOWR('X', 7, oss_audioinfo) 1995 #define SNDCTL_MIX_ENUMINFO _IOWR('X', 8, oss_mixer_enuminfo) 1996 #define SNDCTL_MIDIINFO _IOWR('X', 9, oss_midi_info) 1997 #define SNDCTL_MIXERINFO _IOWR('X',10, oss_mixerinfo) 1998 #define SNDCTL_CARDINFO _IOWR('X',11, oss_card_info) 1999 #define SNDCTL_ENGINEINFO _IOWR('X',12, oss_audioinfo) 2000 #define SNDCTL_AUDIOINFO_EX _IOWR('X',13, oss_audioinfo) 2001 2002 /* 2003 * Few more "globally" available ioctl calls. 2004 */ 2005 #define SNDCTL_SETSONG _IOW ('Y', 2, oss_longname_t) 2006 #define SNDCTL_GETSONG _IOR ('Y', 2, oss_longname_t) 2007 #define SNDCTL_SETNAME _IOW ('Y', 3, oss_longname_t) 2008 #define SNDCTL_SETLABEL _IOW ('Y', 4, oss_label_t) 2009 #define SNDCTL_GETLABEL _IOR ('Y', 4, oss_label_t) 2010 2011 #endif /* !_SYS_SOUNDCARD_H_ */ 2012