ossaudio.c revision 1.70
1 /* $NetBSD: ossaudio.c,v 1.70 2017/03/24 14:32:29 nat Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: ossaudio.c,v 1.70 2017/03/24 14:32:29 nat Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/proc.h> 34 #include <sys/systm.h> 35 #include <sys/file.h> 36 #include <sys/vnode.h> 37 #include <sys/filedesc.h> 38 #include <sys/ioctl.h> 39 #include <sys/mount.h> 40 #include <sys/kernel.h> 41 #include <sys/audioio.h> 42 #include <sys/midiio.h> 43 #include <sys/kauth.h> 44 #include <sys/syscallargs.h> 45 #include <sys/module.h> 46 47 #include <compat/ossaudio/ossaudio.h> 48 #include <compat/ossaudio/ossaudiovar.h> 49 50 MODULE(MODULE_CLASS_EXEC, compat_ossaudio, NULL); 51 52 #ifdef AUDIO_DEBUG 53 #define DPRINTF(x) if (ossdebug) printf x 54 int ossdebug = 0; 55 #else 56 #define DPRINTF(x) 57 #endif 58 59 #define TO_OSSVOL(x) (((x) * 100 + 127) / 255) 60 #define FROM_OSSVOL(x) ((((x) > 100 ? 100 : (x)) * 255 + 50) / 100) 61 62 static struct audiodevinfo *getdevinfo(file_t *); 63 static int opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq); 64 static int enum_to_ord(struct audiodevinfo *di, int enm); 65 static int enum_to_mask(struct audiodevinfo *di, int enm); 66 67 static void setblocksize(file_t *, struct audio_info *); 68 69 #ifdef AUDIO_DEBUG 70 static const char * 71 compat_ossaudio_getcmd(u_long cmd) 72 { 73 static char buf[64]; 74 switch (cmd) { 75 #define _DO(_a) \ 76 case _a: \ 77 return # _a; 78 _DO(OSS_SNDCTL_DSP_RESET) 79 _DO(OSS_SNDCTL_DSP_SYNC) 80 _DO(OSS_SNDCTL_DSP_SPEED) 81 _DO(OSS_SOUND_PCM_READ_RATE) 82 _DO(OSS_SNDCTL_DSP_STEREO) 83 _DO(OSS_SNDCTL_DSP_GETBLKSIZE) 84 _DO(OSS_SNDCTL_DSP_SETFMT) 85 _DO(OSS_SOUND_PCM_READ_BITS) 86 _DO(OSS_SNDCTL_DSP_CHANNELS) 87 _DO(OSS_SOUND_PCM_READ_CHANNELS) 88 _DO(OSS_SOUND_PCM_WRITE_FILTER) 89 _DO(OSS_SOUND_PCM_READ_FILTER) 90 _DO(OSS_SNDCTL_DSP_POST) 91 _DO(OSS_SNDCTL_DSP_SUBDIVIDE) 92 _DO(OSS_SNDCTL_DSP_SETFRAGMENT) 93 _DO(OSS_SNDCTL_DSP_GETFMTS) 94 _DO(OSS_SNDCTL_DSP_GETOSPACE) 95 _DO(OSS_SNDCTL_DSP_GETISPACE) 96 _DO(OSS_SNDCTL_DSP_NONBLOCK) 97 _DO(OSS_SNDCTL_DSP_GETCAPS) 98 _DO(OSS_SNDCTL_DSP_GETTRIGGER) 99 _DO(OSS_SNDCTL_DSP_SETTRIGGER) 100 _DO(OSS_SNDCTL_DSP_GETIPTR) 101 _DO(OSS_SNDCTL_DSP_GETOPTR) 102 _DO(OSS_SNDCTL_DSP_MAPINBUF) 103 _DO(OSS_SNDCTL_DSP_MAPOUTBUF) 104 _DO(OSS_SNDCTL_DSP_SETSYNCRO) 105 _DO(OSS_SNDCTL_DSP_SETDUPLEX) 106 _DO(OSS_SNDCTL_DSP_GETODELAY) 107 _DO(OSS_SNDCTL_DSP_PROFILE) 108 _DO(OSS_SOUND_MIXER_INFO) 109 _DO(OSS_SOUND_OLD_MIXER_INFO) 110 _DO(OSS_GET_VERSION) 111 _DO(OSS_SEQ_RESET) 112 _DO(OSS_SEQ_SYNC) 113 _DO(OSS_SYNTH_INFO) 114 _DO(OSS_SEQ_CTRLRATE) 115 _DO(OSS_SEQ_GETOUTCOUNT) 116 _DO(OSS_SEQ_GETINCOUNT) 117 _DO(OSS_SEQ_PERCMODE) 118 _DO(OSS_SEQ_TESTMIDI) 119 _DO(OSS_SEQ_RESETSAMPLES) 120 _DO(OSS_SEQ_NRSYNTHS) 121 _DO(OSS_SEQ_NRMIDIS) 122 #ifdef notyet 123 _DO(OSS_MIDI_INFO) 124 #endif 125 _DO(OSS_SEQ_THRESHOLD) 126 _DO(OSS_MEMAVL) 127 _DO(OSS_FM_4OP_ENABLE) 128 _DO(OSS_SEQ_PANIC) 129 _DO(OSS_SEQ_OUTOFBAND) 130 _DO(OSS_SEQ_GETTIME) 131 _DO(OSS_ID) 132 _DO(OSS_CONTROL) 133 _DO(OSS_REMOVESAMPLE) 134 _DO(OSS_TMR_TIMEBASE) 135 _DO(OSS_TMR_START) 136 _DO(OSS_TMR_STOP) 137 _DO(OSS_TMR_CONTINUE) 138 _DO(OSS_TMR_TEMPO) 139 _DO(OSS_TMR_SOURCE) 140 _DO(OSS_TMR_METRONOME) 141 _DO(OSS_TMR_SELECT) 142 #undef _DO 143 default: 144 (void)snprintf(buf, sizeof(buf), "*0x%lx*", cmd); 145 return buf; 146 } 147 } 148 #endif 149 150 151 static int 152 compat_ossaudio_modcmd(modcmd_t cmd, void *arg) 153 { 154 155 switch (cmd) { 156 case MODULE_CMD_INIT: 157 case MODULE_CMD_FINI: 158 return 0; 159 default: 160 return ENOTTY; 161 } 162 } 163 164 int 165 oss_ioctl_audio(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 166 { 167 /* { 168 syscallarg(int) fd; 169 syscallarg(u_long) com; 170 syscallarg(void *) data; 171 } */ 172 file_t *fp; 173 u_long com; 174 struct audio_info tmpinfo; 175 struct audio_offset tmpoffs; 176 struct oss_audio_buf_info bufinfo; 177 struct oss_count_info cntinfo; 178 struct audio_encoding tmpenc; 179 u_int u; 180 int idat, idata; 181 int error = 0; 182 int (*ioctlf)(file_t *, u_long, void *); 183 184 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 185 return (EBADF); 186 187 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 188 error = EBADF; 189 goto out; 190 } 191 192 com = SCARG(uap, com); 193 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 194 195 retval[0] = 0; 196 197 ioctlf = fp->f_ops->fo_ioctl; 198 switch (com) { 199 case OSS_SNDCTL_DSP_RESET: 200 error = ioctlf(fp, AUDIO_FLUSH, NULL); 201 if (error) { 202 DPRINTF(("%s: AUDIO_FLUSH %d\n", __func__, error)); 203 goto out; 204 } 205 break; 206 case OSS_SNDCTL_DSP_SYNC: 207 error = ioctlf(fp, AUDIO_DRAIN, NULL); 208 if (error) { 209 DPRINTF(("%s: AUDIO_DRAIN %d\n", __func__, error)); 210 goto out; 211 } 212 break; 213 case OSS_SNDCTL_DSP_POST: 214 /* This call is merely advisory, and may be a nop. */ 215 break; 216 case OSS_SNDCTL_DSP_SPEED: 217 AUDIO_INITINFO(&tmpinfo); 218 error = copyin(SCARG(uap, data), &idat, sizeof idat); 219 if (error) { 220 DPRINTF(("%s: SNDCTL_DSP_SPEED %d\n", 221 __func__, error)); 222 goto out; 223 } 224 tmpinfo.play.sample_rate = 225 tmpinfo.record.sample_rate = idat; 226 DPRINTF(("%s: SNDCTL_DSP_SPEED > %d\n", __func__, idat)); 227 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 228 if (error) { 229 DPRINTF(("%s: SNDCTL_DSP_SPEED %d = %d\n", 230 __func__, idat, error)); 231 goto out; 232 } 233 /* fall into ... */ 234 case OSS_SOUND_PCM_READ_RATE: 235 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 236 if (error) { 237 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 238 __func__, error)); 239 goto out; 240 } 241 idat = tmpinfo.play.sample_rate; 242 DPRINTF(("%s: SNDCTL_PCM_READ_RATE < %d\n", __func__, idat)); 243 error = copyout(&idat, SCARG(uap, data), sizeof idat); 244 if (error) { 245 DPRINTF(("%s: SOUND_PCM_READ_RATE %d = %d\n", 246 __func__, idat, error)); 247 goto out; 248 } 249 break; 250 case OSS_SNDCTL_DSP_STEREO: 251 AUDIO_INITINFO(&tmpinfo); 252 error = copyin(SCARG(uap, data), &idat, sizeof idat); 253 if (error) { 254 DPRINTF(("%s: SNDCTL_DSP_STEREO %d\n", 255 __func__, error)); 256 goto out; 257 } 258 tmpinfo.play.channels = 259 tmpinfo.record.channels = idat ? 2 : 1; 260 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 261 if (error) { 262 DPRINTF(("%s: AUDIO_SETINFO %d\n", 263 __func__, error)); 264 goto out; 265 } 266 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 267 if (error) { 268 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 269 __func__, error)); 270 goto out; 271 } 272 idat = tmpinfo.play.channels - 1; 273 error = copyout(&idat, SCARG(uap, data), sizeof idat); 274 if (error) { 275 DPRINTF(("%s: SNDCTL_DSP_STEREO %d = %d\n", 276 __func__, idat, error)); 277 goto out; 278 } 279 break; 280 case OSS_SNDCTL_DSP_GETBLKSIZE: 281 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 282 if (error) { 283 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 284 __func__, error)); 285 goto out; 286 } 287 setblocksize(fp, &tmpinfo); 288 idat = tmpinfo.blocksize; 289 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE < %d\n", 290 __func__, idat)); 291 error = copyout(&idat, SCARG(uap, data), sizeof idat); 292 if (error) { 293 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE %d = %d\n", 294 __func__, idat, error)); 295 goto out; 296 } 297 break; 298 case OSS_SNDCTL_DSP_SETFMT: 299 AUDIO_INITINFO(&tmpinfo); 300 error = copyin(SCARG(uap, data), &idat, sizeof idat); 301 if (error) { 302 DPRINTF(("%s: SNDCTL_DSP_SETFMT %d\n", 303 __func__, error)); 304 goto out; 305 } 306 switch (idat) { 307 case OSS_AFMT_MU_LAW: 308 tmpinfo.play.precision = 309 tmpinfo.record.precision = 8; 310 tmpinfo.play.encoding = 311 tmpinfo.record.encoding = AUDIO_ENCODING_ULAW; 312 break; 313 case OSS_AFMT_A_LAW: 314 tmpinfo.play.precision = 315 tmpinfo.record.precision = 8; 316 tmpinfo.play.encoding = 317 tmpinfo.record.encoding = AUDIO_ENCODING_ALAW; 318 break; 319 case OSS_AFMT_U8: 320 tmpinfo.play.precision = 321 tmpinfo.record.precision = 8; 322 tmpinfo.play.encoding = 323 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR; 324 break; 325 case OSS_AFMT_S8: 326 tmpinfo.play.precision = 327 tmpinfo.record.precision = 8; 328 tmpinfo.play.encoding = 329 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR; 330 break; 331 case OSS_AFMT_S16_LE: 332 tmpinfo.play.precision = 333 tmpinfo.record.precision = 16; 334 tmpinfo.play.encoding = 335 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 336 break; 337 case OSS_AFMT_S16_BE: 338 tmpinfo.play.precision = 339 tmpinfo.record.precision = 16; 340 tmpinfo.play.encoding = 341 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE; 342 break; 343 case OSS_AFMT_U16_LE: 344 tmpinfo.play.precision = 345 tmpinfo.record.precision = 16; 346 tmpinfo.play.encoding = 347 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE; 348 break; 349 case OSS_AFMT_U16_BE: 350 tmpinfo.play.precision = 351 tmpinfo.record.precision = 16; 352 tmpinfo.play.encoding = 353 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE; 354 break; 355 case OSS_AFMT_AC3: 356 tmpinfo.play.precision = 357 tmpinfo.record.precision = 16; 358 tmpinfo.play.encoding = 359 tmpinfo.record.encoding = AUDIO_ENCODING_AC3; 360 break; 361 default: 362 DPRINTF(("%s: SNDCTL_DSP_SETFMT bad fmt %d\n", 363 __func__, idat)); 364 error = EINVAL; 365 goto out; 366 } 367 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 368 __func__, idat)); 369 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 370 if (error) { 371 DPRINTF(("%s: AUDIO_SETINFO %d\n", 372 __func__, error)); 373 goto out; 374 } 375 /* fall into ... */ 376 case OSS_SOUND_PCM_READ_BITS: 377 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 378 if (error) { 379 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 380 __func__, error)); 381 goto out; 382 } 383 switch (tmpinfo.play.encoding) { 384 case AUDIO_ENCODING_ULAW: 385 idat = OSS_AFMT_MU_LAW; 386 break; 387 case AUDIO_ENCODING_ALAW: 388 idat = OSS_AFMT_A_LAW; 389 break; 390 case AUDIO_ENCODING_SLINEAR_LE: 391 if (tmpinfo.play.precision == 16) 392 idat = OSS_AFMT_S16_LE; 393 else 394 idat = OSS_AFMT_S8; 395 break; 396 case AUDIO_ENCODING_SLINEAR_BE: 397 if (tmpinfo.play.precision == 16) 398 idat = OSS_AFMT_S16_BE; 399 else 400 idat = OSS_AFMT_S8; 401 break; 402 case AUDIO_ENCODING_ULINEAR_LE: 403 if (tmpinfo.play.precision == 16) 404 idat = OSS_AFMT_U16_LE; 405 else 406 idat = OSS_AFMT_U8; 407 break; 408 case AUDIO_ENCODING_ULINEAR_BE: 409 if (tmpinfo.play.precision == 16) 410 idat = OSS_AFMT_U16_BE; 411 else 412 idat = OSS_AFMT_U8; 413 break; 414 case AUDIO_ENCODING_ADPCM: 415 idat = OSS_AFMT_IMA_ADPCM; 416 break; 417 case AUDIO_ENCODING_AC3: 418 idat = OSS_AFMT_AC3; 419 break; 420 default: 421 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 422 __func__, tmpinfo.play.encoding)); 423 error = EINVAL; 424 goto out; 425 } 426 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 427 __func__, idat)); 428 error = copyout(&idat, SCARG(uap, data), sizeof idat); 429 if (error) { 430 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 431 __func__, idat, error)); 432 goto out; 433 } 434 break; 435 case OSS_SNDCTL_DSP_CHANNELS: 436 AUDIO_INITINFO(&tmpinfo); 437 error = copyin(SCARG(uap, data), &idat, sizeof idat); 438 if (error) { 439 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 440 __func__, error)); 441 goto out; 442 } 443 tmpinfo.play.channels = 444 tmpinfo.record.channels = idat; 445 DPRINTF(("%s: SNDCTL_DSP_CHANNELS > %d\n", __func__, idat)); 446 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 447 if (error) { 448 DPRINTF(("%s: AUDIO_SETINFO %d\n", 449 __func__, error)); 450 goto out; 451 } 452 /* fall into ... */ 453 case OSS_SOUND_PCM_READ_CHANNELS: 454 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 455 if (error) { 456 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 457 __func__, error)); 458 goto out; 459 } 460 idat = tmpinfo.play.channels; 461 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 462 error = copyout(&idat, SCARG(uap, data), sizeof idat); 463 if (error) { 464 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 465 __func__, idat, error)); 466 goto out; 467 } 468 break; 469 case OSS_SOUND_PCM_WRITE_FILTER: 470 case OSS_SOUND_PCM_READ_FILTER: 471 error = EINVAL; /* XXX unimplemented */ 472 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 473 __func__)); 474 goto out; 475 case OSS_SNDCTL_DSP_SUBDIVIDE: 476 error = copyin(SCARG(uap, data), &idat, sizeof idat); 477 if (error) { 478 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 479 __func__, error)); 480 goto out; 481 } 482 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 483 if (error) { 484 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 485 __func__, error)); 486 goto out; 487 } 488 setblocksize(fp, &tmpinfo); 489 if (idat == 0) 490 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 491 idat = (tmpinfo.play.buffer_size / idat) & -4; 492 AUDIO_INITINFO(&tmpinfo); 493 tmpinfo.blocksize = idat; 494 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 495 if (error) { 496 DPRINTF(("%s: AUDIO_SETINFO %d\n", 497 __func__, error)); 498 goto out; 499 } 500 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 501 error = copyout(&idat, SCARG(uap, data), sizeof idat); 502 if (error) { 503 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 504 __func__, idat, error)); 505 goto out; 506 } 507 break; 508 case OSS_SNDCTL_DSP_SETFRAGMENT: 509 AUDIO_INITINFO(&tmpinfo); 510 error = copyin(SCARG(uap, data), &idat, sizeof idat); 511 if (error) { 512 DPRINTF(("%s: DSP_SETFRAGMENT %d\n", 513 __func__, error)); 514 goto out; 515 } 516 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 517 DPRINTF(("%s: DSP_SETFRAGMENT bad ival%d\n", 518 __func__, idat)); 519 error = EINVAL; 520 goto out; 521 } 522 tmpinfo.blocksize = 1 << (idat & 0xffff); 523 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 524 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 525 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 526 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 527 tmpinfo.hiwat = 65536; 528 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 529 if (error) { 530 DPRINTF(("%s: AUDIO_SETINFO %d\n", 531 __func__, error)); 532 goto out; 533 } 534 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 535 if (error) { 536 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 537 __func__, error)); 538 goto out; 539 } 540 u = tmpinfo.blocksize; 541 for(idat = 0; u > 1; idat++, u >>= 1) 542 ; 543 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 544 error = copyout(&idat, SCARG(uap, data), sizeof idat); 545 if (error) { 546 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 547 __func__, idat, error)); 548 goto out; 549 } 550 break; 551 case OSS_SNDCTL_DSP_GETFMTS: 552 for (idat = 0, tmpenc.index = 0; 553 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 554 tmpenc.index++) { 555 switch(tmpenc.encoding) { 556 case AUDIO_ENCODING_ULAW: 557 idat |= OSS_AFMT_MU_LAW; 558 break; 559 case AUDIO_ENCODING_ALAW: 560 idat |= OSS_AFMT_A_LAW; 561 break; 562 case AUDIO_ENCODING_SLINEAR: 563 idat |= OSS_AFMT_S8; 564 break; 565 case AUDIO_ENCODING_SLINEAR_LE: 566 if (tmpenc.precision == 16) 567 idat |= OSS_AFMT_S16_LE; 568 else 569 idat |= OSS_AFMT_S8; 570 break; 571 case AUDIO_ENCODING_SLINEAR_BE: 572 if (tmpenc.precision == 16) 573 idat |= OSS_AFMT_S16_BE; 574 else 575 idat |= OSS_AFMT_S8; 576 break; 577 case AUDIO_ENCODING_ULINEAR: 578 idat |= OSS_AFMT_U8; 579 break; 580 case AUDIO_ENCODING_ULINEAR_LE: 581 if (tmpenc.precision == 16) 582 idat |= OSS_AFMT_U16_LE; 583 else 584 idat |= OSS_AFMT_U8; 585 break; 586 case AUDIO_ENCODING_ULINEAR_BE: 587 if (tmpenc.precision == 16) 588 idat |= OSS_AFMT_U16_BE; 589 else 590 idat |= OSS_AFMT_U8; 591 break; 592 case AUDIO_ENCODING_ADPCM: 593 idat |= OSS_AFMT_IMA_ADPCM; 594 break; 595 case AUDIO_ENCODING_AC3: 596 idat |= OSS_AFMT_AC3; 597 break; 598 default: 599 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 600 __func__, tmpenc.encoding)); 601 break; 602 } 603 } 604 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 605 __func__, idat)); 606 error = copyout(&idat, SCARG(uap, data), sizeof idat); 607 if (error) { 608 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 609 __func__, idat, error)); 610 goto out; 611 } 612 break; 613 case OSS_SNDCTL_DSP_GETOSPACE: 614 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 615 if (error) { 616 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 617 __func__, error)); 618 goto out; 619 } 620 setblocksize(fp, &tmpinfo); 621 bufinfo.fragsize = tmpinfo.blocksize; 622 bufinfo.fragments = (tmpinfo.hiwat * tmpinfo.blocksize - 623 (tmpinfo.play.seek + tmpinfo.blocksize -1)) / 624 tmpinfo.blocksize; 625 bufinfo.fragstotal = tmpinfo.hiwat; 626 bufinfo.bytes = bufinfo.fragments * tmpinfo.blocksize; 627 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 628 if (error) { 629 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 630 __func__, error)); 631 goto out; 632 } 633 break; 634 case OSS_SNDCTL_DSP_GETISPACE: 635 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 636 if (error) { 637 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 638 __func__, error)); 639 goto out; 640 } 641 setblocksize(fp, &tmpinfo); 642 bufinfo.fragsize = tmpinfo.blocksize; 643 bufinfo.fragments = tmpinfo.record.seek / tmpinfo.blocksize; 644 bufinfo.fragstotal = tmpinfo.hiwat; 645 bufinfo.bytes = bufinfo.fragments * tmpinfo.blocksize; 646 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 647 if (error) { 648 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 649 __func__, bufinfo.fragsize, bufinfo.fragments, 650 bufinfo.fragstotal, bufinfo.bytes, error)); 651 goto out; 652 } 653 break; 654 case OSS_SNDCTL_DSP_NONBLOCK: 655 idat = 1; 656 error = ioctlf(fp, FIONBIO, &idat); 657 if (error) { 658 DPRINTF(("%s: SENDCLT_DSP_NONBLOCK %d\n", 659 __func__, error)); 660 goto out; 661 } 662 break; 663 case OSS_SNDCTL_DSP_GETCAPS: 664 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 665 if (error) { 666 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 667 __func__, error)); 668 goto out; 669 } 670 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 671 if (idata & AUDIO_PROP_FULLDUPLEX) 672 idat |= OSS_DSP_CAP_DUPLEX; 673 if (idata & AUDIO_PROP_MMAP) 674 idat |= OSS_DSP_CAP_MMAP; 675 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 676 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 677 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 678 error = copyout(&idat, SCARG(uap, data), sizeof idat); 679 if (error) { 680 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 681 idat, error)); 682 goto out; 683 } 684 break; 685 #if 0 686 case OSS_SNDCTL_DSP_GETTRIGGER: 687 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 688 if (error) { 689 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 690 __func__, error)); 691 goto out; 692 } 693 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 694 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 695 error = copyout(&idat, SCARG(uap, data), sizeof idat); 696 if (error) { 697 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 698 __func__, idat, error)); 699 goto out; 700 } 701 break; 702 case OSS_SNDCTL_DSP_SETTRIGGER: 703 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 704 if (error) { 705 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 706 __func__, error)); 707 goto out; 708 } 709 error = copyin(SCARG(uap, data), &idat, sizeof idat); 710 if (error) { 711 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 712 __func__, error)); 713 goto out; 714 } 715 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 716 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 717 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 718 if (error) { 719 DPRINTF(("%s: AUDIO_SETINFO %d\n", 720 __func__, error)); 721 goto out; 722 } 723 error = copyout(&idat, SCARG(uap, data), sizeof idat); 724 if (error) { 725 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 726 __func__, idat, error)); 727 goto out; 728 } 729 break; 730 #else 731 case OSS_SNDCTL_DSP_GETTRIGGER: 732 case OSS_SNDCTL_DSP_SETTRIGGER: 733 /* XXX Do nothing for now. */ 734 idat = OSS_PCM_ENABLE_OUTPUT; 735 error = copyout(&idat, SCARG(uap, data), sizeof idat); 736 if (error) { 737 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 738 __func__, idat, error)); 739 goto out; 740 } 741 break; 742 #endif 743 case OSS_SNDCTL_DSP_GETIPTR: 744 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 745 if (error) { 746 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 747 __func__, error)); 748 goto out; 749 } 750 cntinfo.bytes = tmpoffs.samples; 751 cntinfo.blocks = tmpoffs.deltablks; 752 cntinfo.ptr = tmpoffs.offset; 753 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 754 if (error) { 755 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 756 __func__, error)); 757 goto out; 758 } 759 break; 760 case OSS_SNDCTL_DSP_GETOPTR: 761 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 762 if (error) { 763 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 764 __func__, error)); 765 goto out; 766 } 767 cntinfo.bytes = tmpoffs.samples; 768 cntinfo.blocks = tmpoffs.deltablks; 769 cntinfo.ptr = tmpoffs.offset; 770 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 771 if (error) { 772 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 773 __func__, error)); 774 goto out; 775 } 776 break; 777 case OSS_SNDCTL_DSP_SETDUPLEX: 778 idat = 1; 779 error = ioctlf(fp, AUDIO_SETFD, &idat); 780 if (error) { 781 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 782 __func__, idat, error)); 783 goto out; 784 } 785 break; 786 case OSS_SNDCTL_DSP_MAPINBUF: 787 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 788 __func__)); 789 error = EINVAL; 790 goto out; 791 case OSS_SNDCTL_DSP_MAPOUTBUF: 792 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 793 __func__)); 794 error = EINVAL; 795 goto out; 796 case OSS_SNDCTL_DSP_SETSYNCRO: 797 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 798 __func__)); 799 error = EINVAL; 800 goto out; 801 case OSS_SNDCTL_DSP_GETODELAY: 802 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 803 if (error) { 804 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 805 __func__, error)); 806 goto out; 807 } 808 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 809 error = copyout(&idat, SCARG(uap, data), sizeof idat); 810 if (error) { 811 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 812 __func__, error)); 813 goto out; 814 } 815 break; 816 case OSS_SNDCTL_DSP_PROFILE: 817 /* This gives just a hint to the driver, 818 * implementing it as a NOP is ok 819 */ 820 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 821 break; 822 default: 823 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 824 error = EINVAL; 825 goto out; 826 } 827 828 out: 829 fd_putfile(SCARG(uap, fd)); 830 return error; 831 } 832 833 /* If the NetBSD mixer device should have more than 32 devices 834 * some will not be available to Linux */ 835 #define NETBSD_MAXDEVS 64 836 struct audiodevinfo { 837 int done; 838 dev_t dev; 839 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 840 rdevmap[NETBSD_MAXDEVS]; 841 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 842 int enum2opaque[NETBSD_MAXDEVS]; 843 u_long devmask, recmask, stereomask; 844 u_long caps, source; 845 }; 846 847 static int 848 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 849 { 850 int i, o; 851 852 for (i = 0; i < NETBSD_MAXDEVS; i++) { 853 o = di->enum2opaque[i]; 854 if (o == opq) 855 break; 856 if (o == -1 && label != NULL && 857 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 858 di->enum2opaque[i] = opq; 859 break; 860 } 861 } 862 if (i >= NETBSD_MAXDEVS) 863 i = -1; 864 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 865 return (i); 866 } 867 868 static int 869 enum_to_ord(struct audiodevinfo *di, int enm) 870 { 871 if (enm >= NETBSD_MAXDEVS) 872 return (-1); 873 874 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 875 return (di->enum2opaque[enm]); 876 } 877 878 static int 879 enum_to_mask(struct audiodevinfo *di, int enm) 880 { 881 int m; 882 if (enm >= NETBSD_MAXDEVS) 883 return (0); 884 885 m = di->enum2opaque[enm]; 886 if (m == -1) 887 m = 0; 888 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 889 return (m); 890 } 891 892 /* 893 * Collect the audio device information to allow faster 894 * emulation of the Linux mixer ioctls. Cache the information 895 * to eliminate the overhead of repeating all the ioctls needed 896 * to collect the information. 897 */ 898 static struct audiodevinfo * 899 getdevinfo(file_t *fp) 900 { 901 mixer_devinfo_t mi; 902 int i, j, e; 903 static const struct { 904 const char *name; 905 int code; 906 } *dp, devs[] = { 907 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 908 { AudioNline, OSS_SOUND_MIXER_LINE }, 909 { AudioNcd, OSS_SOUND_MIXER_CD }, 910 { AudioNdac, OSS_SOUND_MIXER_PCM }, 911 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 912 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 913 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 914 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 915 { AudioNbass, OSS_SOUND_MIXER_BASS }, 916 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 917 /* { AudioNheadphone, ?? },*/ 918 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 919 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 920 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 921 /* { AudioNstereo, ?? },*/ 922 /* { AudioNmono, ?? },*/ 923 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 924 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 925 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 926 /* { AudioNmixerout, ?? },*/ 927 { 0, -1 } 928 }; 929 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 930 struct vnode *vp; 931 struct vattr va; 932 static struct audiodevinfo devcache; 933 struct audiodevinfo *di = &devcache; 934 int error, mlen, dlen; 935 936 /* 937 * Figure out what device it is so we can check if the 938 * cached data is valid. 939 */ 940 vp = fp->f_vnode; 941 if (vp->v_type != VCHR) 942 return 0; 943 vn_lock(vp, LK_SHARED | LK_RETRY); 944 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 945 VOP_UNLOCK(vp); 946 if (error) 947 return 0; 948 if (di->done && di->dev == va.va_rdev) 949 return di; 950 951 di->done = 1; 952 di->dev = va.va_rdev; 953 di->devmask = 0; 954 di->recmask = 0; 955 di->stereomask = 0; 956 di->source = ~0; 957 di->caps = 0; 958 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 959 di->devmap[i] = -1; 960 for(i = 0; i < NETBSD_MAXDEVS; i++) { 961 di->rdevmap[i] = -1; 962 di->names[i][0] = '\0'; 963 di->enum2opaque[i] = -1; 964 } 965 for(i = 0; i < NETBSD_MAXDEVS; i++) { 966 mi.index = i; 967 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 968 break; 969 switch(mi.type) { 970 case AUDIO_MIXER_VALUE: 971 for(dp = devs; dp->name; dp++) { 972 if (strcmp(dp->name, mi.label.name) == 0) 973 break; 974 dlen = strlen(dp->name); 975 mlen = strlen(mi.label.name); 976 if (dlen < mlen 977 && mi.label.name[mlen-dlen-1] == '.' 978 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 979 break; 980 } 981 if (dp->code >= 0) { 982 di->devmap[dp->code] = i; 983 di->rdevmap[i] = dp->code; 984 di->devmask |= 1 << dp->code; 985 if (mi.un.v.num_channels == 2) 986 di->stereomask |= 1 << dp->code; 987 strncpy(di->names[i], mi.label.name, 988 sizeof di->names[i]); 989 } 990 break; 991 } 992 } 993 for(i = 0; i < NETBSD_MAXDEVS; i++) { 994 mi.index = i; 995 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 996 break; 997 if (strcmp(mi.label.name, AudioNsource) != 0) 998 continue; 999 di->source = i; 1000 switch(mi.type) { 1001 case AUDIO_MIXER_ENUM: 1002 for(j = 0; j < mi.un.e.num_mem; j++) { 1003 e = opaque_to_enum(di, 1004 &mi.un.e.member[j].label, 1005 mi.un.e.member[j].ord); 1006 if (e >= 0) 1007 di->recmask |= 1 << di->rdevmap[e]; 1008 } 1009 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1010 break; 1011 case AUDIO_MIXER_SET: 1012 for(j = 0; j < mi.un.s.num_mem; j++) { 1013 e = opaque_to_enum(di, 1014 &mi.un.s.member[j].label, 1015 mi.un.s.member[j].mask); 1016 if (e >= 0) 1017 di->recmask |= 1 << di->rdevmap[e]; 1018 } 1019 break; 1020 } 1021 } 1022 return di; 1023 } 1024 1025 int 1026 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1027 { 1028 /* { 1029 syscallarg(int) fd; 1030 syscallarg(u_long) com; 1031 syscallarg(void *) data; 1032 } */ 1033 file_t *fp; 1034 u_long com; 1035 struct audiodevinfo *di; 1036 mixer_ctrl_t mc; 1037 struct oss_mixer_info omi; 1038 struct audio_device adev; 1039 int idat; 1040 int i; 1041 int error; 1042 int l, r, n, e; 1043 int (*ioctlf)(file_t *, u_long, void *); 1044 1045 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1046 return error; 1047 1048 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1049 error = EBADF; 1050 goto out; 1051 } 1052 1053 com = SCARG(uap, com); 1054 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1055 1056 retval[0] = 0; 1057 1058 di = getdevinfo(fp); 1059 if (di == 0) { 1060 error = EINVAL; 1061 goto out; 1062 } 1063 1064 ioctlf = fp->f_ops->fo_ioctl; 1065 switch (com) { 1066 case OSS_GET_VERSION: 1067 idat = OSS_SOUND_VERSION; 1068 break; 1069 case OSS_SOUND_MIXER_INFO: 1070 case OSS_SOUND_OLD_MIXER_INFO: 1071 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1072 if (error) { 1073 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1074 __func__, error)); 1075 goto out; 1076 } 1077 omi.modify_counter = 1; 1078 strncpy(omi.id, adev.name, sizeof omi.id); 1079 strncpy(omi.name, adev.name, sizeof omi.name); 1080 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1081 if (error) { 1082 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1083 __func__, error)); 1084 goto out; 1085 } 1086 break; 1087 case OSS_SOUND_MIXER_READ_RECSRC: 1088 if (di->source == -1) { 1089 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1090 __func__)); 1091 error = EINVAL; 1092 goto out; 1093 } 1094 mc.dev = di->source; 1095 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1096 mc.type = AUDIO_MIXER_ENUM; 1097 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1098 if (error) { 1099 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1100 __func__, error)); 1101 goto out; 1102 } 1103 e = opaque_to_enum(di, NULL, mc.un.ord); 1104 if (e >= 0) 1105 idat = 1 << di->rdevmap[e]; 1106 } else { 1107 mc.type = AUDIO_MIXER_SET; 1108 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1109 if (error) { 1110 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1111 __func__, error)); 1112 goto out; 1113 } 1114 e = opaque_to_enum(di, NULL, mc.un.mask); 1115 if (e >= 0) 1116 idat = 1 << di->rdevmap[e]; 1117 } 1118 break; 1119 case OSS_SOUND_MIXER_READ_DEVMASK: 1120 idat = di->devmask; 1121 break; 1122 case OSS_SOUND_MIXER_READ_RECMASK: 1123 idat = di->recmask; 1124 break; 1125 case OSS_SOUND_MIXER_READ_STEREODEVS: 1126 idat = di->stereomask; 1127 break; 1128 case OSS_SOUND_MIXER_READ_CAPS: 1129 idat = di->caps; 1130 break; 1131 case OSS_SOUND_MIXER_WRITE_RECSRC: 1132 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1133 if (di->source == -1) { 1134 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1135 "source\n", __func__)); 1136 error = EINVAL; 1137 goto out; 1138 } 1139 mc.dev = di->source; 1140 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1141 if (error) { 1142 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1143 __func__, error)); 1144 goto out; 1145 } 1146 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1147 mc.type = AUDIO_MIXER_ENUM; 1148 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1149 if (idat & (1 << i)) 1150 break; 1151 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1152 di->devmap[i] == -1) { 1153 error = EINVAL; 1154 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1155 "bad index %d\n", __func__, i)); 1156 goto out; 1157 } 1158 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1159 } else { 1160 mc.type = AUDIO_MIXER_SET; 1161 mc.un.mask = 0; 1162 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1163 if (idat & (1 << i)) { 1164 if (di->devmap[i] == -1) { 1165 DPRINTF(("%s: OSS_SOUND_MIXER_" 1166 "WRITE_RECSRC bad devmap " 1167 "%d\n", __func__, i)); 1168 error = EINVAL; 1169 goto out; 1170 } 1171 mc.un.mask |= enum_to_mask(di, 1172 di->devmap[i]); 1173 } 1174 } 1175 } 1176 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1177 if (error) { 1178 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1179 __func__, error)); 1180 goto out; 1181 } 1182 goto out; 1183 default: 1184 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1185 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1186 n = OSS_GET_DEV(com); 1187 if (di->devmap[n] == -1) { 1188 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1189 __func__, com, n)); 1190 error = EINVAL; 1191 goto out; 1192 } 1193 doread: 1194 mc.dev = di->devmap[n]; 1195 mc.type = AUDIO_MIXER_VALUE; 1196 mc.un.value.num_channels = di->stereomask & 1197 (1 << n) ? 2 : 1; 1198 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1199 if (error) { 1200 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1201 __func__, error)); 1202 goto out; 1203 } 1204 if (mc.un.value.num_channels != 2) { 1205 l = r = 1206 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1207 } else { 1208 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1209 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1210 } 1211 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1212 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1213 __func__, n, di->devmap[n], l, r, idat)); 1214 break; 1215 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1216 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1217 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1218 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1219 n = OSS_GET_DEV(com); 1220 if (di->devmap[n] == -1) { 1221 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1222 __func__, com, n)); 1223 error = EINVAL; 1224 goto out; 1225 } 1226 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1227 if (error) { 1228 DPRINTF(("%s: 0x%lx error %d\n", 1229 __func__, com, error)); 1230 goto out; 1231 } 1232 l = FROM_OSSVOL( idat & 0xff); 1233 r = FROM_OSSVOL((idat >> 8) & 0xff); 1234 mc.dev = di->devmap[n]; 1235 mc.type = AUDIO_MIXER_VALUE; 1236 if (di->stereomask & (1 << n)) { 1237 mc.un.value.num_channels = 2; 1238 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1239 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1240 } else { 1241 mc.un.value.num_channels = 1; 1242 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1243 (l + r) / 2; 1244 } 1245 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1246 __func__, n, di->devmap[n], l, r, idat)); 1247 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1248 if (error) { 1249 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1250 __func__, error)); 1251 goto out; 1252 } 1253 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1254 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1255 error = 0; 1256 goto out; 1257 } 1258 goto doread; 1259 } else { 1260 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1261 com)); 1262 error = EINVAL; 1263 goto out; 1264 } 1265 } 1266 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1267 out: 1268 fd_putfile(SCARG(uap, fd)); 1269 return error; 1270 } 1271 1272 /* Sequencer emulation */ 1273 int 1274 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1275 { 1276 /* { 1277 syscallarg(int) fd; 1278 syscallarg(u_long) com; 1279 syscallarg(void *) data; 1280 } */ 1281 file_t *fp; 1282 u_long com; 1283 int idat, idat1; 1284 struct synth_info si; 1285 struct oss_synth_info osi; 1286 struct oss_seq_event_rec oser; 1287 int error; 1288 int (*ioctlf)(file_t *, u_long, void *); 1289 1290 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1291 return (EBADF); 1292 1293 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1294 error = EBADF; 1295 goto out; 1296 } 1297 1298 com = SCARG(uap, com); 1299 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1300 1301 retval[0] = 0; 1302 1303 ioctlf = fp->f_ops->fo_ioctl; 1304 switch (com) { 1305 case OSS_SEQ_RESET: 1306 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1307 goto out; 1308 case OSS_SEQ_SYNC: 1309 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1310 goto out; 1311 case OSS_SYNTH_INFO: 1312 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1313 if (error) 1314 goto out; 1315 si.device = osi.device; 1316 error = ioctlf(fp, SEQUENCER_INFO, &si); 1317 if (error) 1318 goto out; 1319 strncpy(osi.name, si.name, sizeof osi.name); 1320 osi.device = si.device; 1321 switch(si.synth_type) { 1322 case SYNTH_TYPE_FM: 1323 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1324 case SYNTH_TYPE_SAMPLE: 1325 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1326 case SYNTH_TYPE_MIDI: 1327 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1328 default: 1329 osi.synth_type = 0; break; 1330 } 1331 switch(si.synth_subtype) { 1332 case SYNTH_SUB_FM_TYPE_ADLIB: 1333 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1334 case SYNTH_SUB_FM_TYPE_OPL3: 1335 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1336 case SYNTH_SUB_MIDI_TYPE_MPU401: 1337 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1338 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1339 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1340 default: 1341 osi.synth_subtype = 0; break; 1342 } 1343 osi.perc_mode = 0; 1344 osi.nr_voices = si.nr_voices; 1345 osi.nr_drums = 0; 1346 osi.instr_bank_size = si.instr_bank_size; 1347 osi.capabilities = 0; 1348 if (si.capabilities & SYNTH_CAP_OPL3) 1349 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1350 if (si.capabilities & SYNTH_CAP_INPUT) 1351 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1352 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1353 goto out; 1354 case OSS_SEQ_CTRLRATE: 1355 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1356 if (error) 1357 goto out; 1358 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1359 if (error) 1360 goto out; 1361 retval[0] = idat; 1362 break; 1363 case OSS_SEQ_GETOUTCOUNT: 1364 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1365 if (error) 1366 goto out; 1367 retval[0] = idat; 1368 break; 1369 case OSS_SEQ_GETINCOUNT: 1370 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1371 if (error) 1372 goto out; 1373 retval[0] = idat; 1374 break; 1375 case OSS_SEQ_NRSYNTHS: 1376 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1377 if (error) 1378 goto out; 1379 retval[0] = idat; 1380 break; 1381 case OSS_SEQ_NRMIDIS: 1382 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1383 if (error) 1384 goto out; 1385 retval[0] = idat; 1386 break; 1387 case OSS_SEQ_THRESHOLD: 1388 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1389 if (error) 1390 goto out; 1391 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1392 goto out; 1393 case OSS_MEMAVL: 1394 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1395 if (error) 1396 goto out; 1397 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1398 if (error) 1399 goto out; 1400 retval[0] = idat; 1401 break; 1402 case OSS_SEQ_PANIC: 1403 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1404 goto out; 1405 case OSS_SEQ_OUTOFBAND: 1406 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1407 if (error) 1408 goto out; 1409 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1410 if (error) 1411 goto out; 1412 break; 1413 case OSS_SEQ_GETTIME: 1414 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1415 if (error) 1416 goto out; 1417 retval[0] = idat; 1418 break; 1419 case OSS_TMR_TIMEBASE: 1420 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1421 if (error) 1422 goto out; 1423 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1424 if (error) 1425 goto out; 1426 retval[0] = idat; 1427 break; 1428 case OSS_TMR_START: 1429 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1430 goto out; 1431 case OSS_TMR_STOP: 1432 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1433 goto out; 1434 case OSS_TMR_CONTINUE: 1435 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1436 goto out; 1437 case OSS_TMR_TEMPO: 1438 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1439 if (error) 1440 goto out; 1441 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1442 if (error) 1443 goto out; 1444 retval[0] = idat; 1445 break; 1446 case OSS_TMR_SOURCE: 1447 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1448 if (error) 1449 goto out; 1450 idat = 0; 1451 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1452 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1453 if (error) 1454 goto out; 1455 idat1 = idat; 1456 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1457 retval[0] = idat; 1458 break; 1459 case OSS_TMR_METRONOME: 1460 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1461 if (error) 1462 goto out; 1463 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1464 goto out; 1465 case OSS_TMR_SELECT: 1466 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1467 if (error) 1468 goto out; 1469 retval[0] = idat; 1470 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1471 goto out; 1472 default: 1473 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1474 com)); 1475 error = EINVAL; 1476 goto out; 1477 } 1478 1479 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1480 out: 1481 fd_putfile(SCARG(uap, fd)); 1482 return error; 1483 } 1484 1485 /* 1486 * Check that the blocksize is a power of 2 as OSS wants. 1487 * If not, set it to be. 1488 */ 1489 static void 1490 setblocksize(file_t *fp, struct audio_info *info) 1491 { 1492 struct audio_info set; 1493 int s; 1494 1495 if (info->blocksize & (info->blocksize-1)) { 1496 for(s = 32; s < info->blocksize; s <<= 1) 1497 ; 1498 AUDIO_INITINFO(&set); 1499 set.blocksize = s; 1500 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1501 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1502 } 1503 } 1504
Indexes created Thu Sep 25 14:09:45 GMT 2025