ossaudio.c revision 1.83
1 /* $NetBSD: ossaudio.c,v 1.83 2020/04/19 21:37:00 nia 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 1.83 2020/04/19 21:37:00 nia 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 #define GETPRINFO(info, name) \ 63 (((info)->mode == AUMODE_RECORD) \ 64 ? (info)->record.name : (info)->play.name) 65 66 static struct audiodevinfo *getdevinfo(file_t *); 67 static int opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq); 68 static int enum_to_ord(struct audiodevinfo *di, int enm); 69 static int enum_to_mask(struct audiodevinfo *di, int enm); 70 71 static void setchannels(file_t *, int, int); 72 static void setblocksize(file_t *, struct audio_info *); 73 74 #ifdef AUDIO_DEBUG 75 static const char * 76 compat_ossaudio_getcmd(u_long cmd) 77 { 78 static char buf[64]; 79 switch (cmd) { 80 #define _DO(_a) \ 81 case _a: \ 82 return # _a; 83 _DO(OSS_SNDCTL_DSP_RESET) 84 _DO(OSS_SNDCTL_DSP_SYNC) 85 _DO(OSS_SNDCTL_DSP_SPEED) 86 _DO(OSS_SOUND_PCM_READ_RATE) 87 _DO(OSS_SNDCTL_DSP_STEREO) 88 _DO(OSS_SNDCTL_DSP_GETBLKSIZE) 89 _DO(OSS_SNDCTL_DSP_SETFMT) 90 _DO(OSS_SOUND_PCM_READ_BITS) 91 _DO(OSS_SNDCTL_DSP_CHANNELS) 92 _DO(OSS_SOUND_PCM_READ_CHANNELS) 93 _DO(OSS_SOUND_PCM_WRITE_FILTER) 94 _DO(OSS_SOUND_PCM_READ_FILTER) 95 _DO(OSS_SNDCTL_DSP_POST) 96 _DO(OSS_SNDCTL_DSP_SUBDIVIDE) 97 _DO(OSS_SNDCTL_DSP_SETFRAGMENT) 98 _DO(OSS_SNDCTL_DSP_GETFMTS) 99 _DO(OSS_SNDCTL_DSP_GETOSPACE) 100 _DO(OSS_SNDCTL_DSP_GETISPACE) 101 _DO(OSS_SNDCTL_DSP_NONBLOCK) 102 _DO(OSS_SNDCTL_DSP_GETCAPS) 103 _DO(OSS_SNDCTL_DSP_GETTRIGGER) 104 _DO(OSS_SNDCTL_DSP_SETTRIGGER) 105 _DO(OSS_SNDCTL_DSP_GETIPTR) 106 _DO(OSS_SNDCTL_DSP_GETOPTR) 107 _DO(OSS_SNDCTL_DSP_MAPINBUF) 108 _DO(OSS_SNDCTL_DSP_MAPOUTBUF) 109 _DO(OSS_SNDCTL_DSP_SETSYNCRO) 110 _DO(OSS_SNDCTL_DSP_SETDUPLEX) 111 _DO(OSS_SNDCTL_DSP_GETODELAY) 112 _DO(OSS_SNDCTL_DSP_PROFILE) 113 _DO(OSS_SOUND_MIXER_INFO) 114 _DO(OSS_SOUND_OLD_MIXER_INFO) 115 _DO(OSS_GET_VERSION) 116 _DO(OSS_SEQ_RESET) 117 _DO(OSS_SEQ_SYNC) 118 _DO(OSS_SYNTH_INFO) 119 _DO(OSS_SEQ_CTRLRATE) 120 _DO(OSS_SEQ_GETOUTCOUNT) 121 _DO(OSS_SEQ_GETINCOUNT) 122 _DO(OSS_SEQ_PERCMODE) 123 _DO(OSS_SEQ_TESTMIDI) 124 _DO(OSS_SEQ_RESETSAMPLES) 125 _DO(OSS_SEQ_NRSYNTHS) 126 _DO(OSS_SEQ_NRMIDIS) 127 #ifdef notyet 128 _DO(OSS_MIDI_INFO) 129 #endif 130 _DO(OSS_SEQ_THRESHOLD) 131 _DO(OSS_MEMAVL) 132 _DO(OSS_FM_4OP_ENABLE) 133 _DO(OSS_SEQ_PANIC) 134 _DO(OSS_SEQ_OUTOFBAND) 135 _DO(OSS_SEQ_GETTIME) 136 _DO(OSS_ID) 137 _DO(OSS_CONTROL) 138 _DO(OSS_REMOVESAMPLE) 139 _DO(OSS_TMR_TIMEBASE) 140 _DO(OSS_TMR_START) 141 _DO(OSS_TMR_STOP) 142 _DO(OSS_TMR_CONTINUE) 143 _DO(OSS_TMR_TEMPO) 144 _DO(OSS_TMR_SOURCE) 145 _DO(OSS_TMR_METRONOME) 146 _DO(OSS_TMR_SELECT) 147 #undef _DO 148 default: 149 (void)snprintf(buf, sizeof(buf), "*0x%lx*", cmd); 150 return buf; 151 } 152 } 153 #endif 154 155 156 static int 157 compat_ossaudio_modcmd(modcmd_t cmd, void *arg) 158 { 159 160 switch (cmd) { 161 case MODULE_CMD_INIT: 162 case MODULE_CMD_FINI: 163 return 0; 164 default: 165 return ENOTTY; 166 } 167 } 168 169 int 170 oss_ioctl_audio(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 171 { 172 /* { 173 syscallarg(int) fd; 174 syscallarg(u_long) com; 175 syscallarg(void *) data; 176 } */ 177 file_t *fp; 178 u_long com; 179 struct audio_info tmpinfo, hwfmt; 180 struct audio_offset tmpoffs; 181 struct oss_audio_buf_info bufinfo; 182 struct oss_count_info cntinfo; 183 struct audio_encoding tmpenc; 184 u_int u; 185 u_int encoding; 186 u_int precision; 187 int idat, idata; 188 int error = 0; 189 int (*ioctlf)(file_t *, u_long, void *); 190 191 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 192 return (EBADF); 193 194 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 195 error = EBADF; 196 goto out; 197 } 198 199 com = SCARG(uap, com); 200 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 201 202 retval[0] = 0; 203 204 ioctlf = fp->f_ops->fo_ioctl; 205 switch (com) { 206 case OSS_SNDCTL_DSP_RESET: 207 error = ioctlf(fp, AUDIO_FLUSH, NULL); 208 if (error) { 209 DPRINTF(("%s: AUDIO_FLUSH %d\n", __func__, error)); 210 goto out; 211 } 212 break; 213 case OSS_SNDCTL_DSP_SYNC: 214 error = ioctlf(fp, AUDIO_DRAIN, NULL); 215 if (error) { 216 DPRINTF(("%s: AUDIO_DRAIN %d\n", __func__, error)); 217 goto out; 218 } 219 break; 220 case OSS_SNDCTL_DSP_POST: 221 /* This call is merely advisory, and may be a nop. */ 222 break; 223 case OSS_SNDCTL_DSP_SPEED: 224 AUDIO_INITINFO(&tmpinfo); 225 error = copyin(SCARG(uap, data), &idat, sizeof idat); 226 if (error) { 227 DPRINTF(("%s: SNDCTL_DSP_SPEED %d\n", 228 __func__, error)); 229 goto out; 230 } 231 tmpinfo.play.sample_rate = 232 tmpinfo.record.sample_rate = idat; 233 DPRINTF(("%s: SNDCTL_DSP_SPEED > %d\n", __func__, idat)); 234 /* 235 * The default NetBSD behavior if an unsupported sample rate 236 * is set is to return an error code and keep the rate at the 237 * default of 8000 Hz. 238 * 239 * However, the OSS expectation is a sample rate supported by 240 * the hardware is returned if the exact rate could not be set. 241 * 242 * So, if the chosen sample rate is invalid, set and return 243 * the current hardware rate. 244 */ 245 if (ioctlf(fp, AUDIO_SETINFO, &tmpinfo) != 0) { 246 error = ioctlf(fp, AUDIO_GETFORMAT, &hwfmt); 247 if (error) { 248 DPRINTF(("%s: AUDIO_GETFORMAT %d\n", 249 __func__, error)); 250 goto out; 251 } 252 error = ioctlf(fp, AUDIO_GETINFO, &tmpinfo); 253 if (error) { 254 DPRINTF(("%s: AUDIO_GETINFO %d\n", 255 __func__, error)); 256 goto out; 257 } 258 tmpinfo.play.sample_rate = 259 tmpinfo.record.sample_rate = 260 (tmpinfo.mode == AUMODE_RECORD) ? 261 hwfmt.record.sample_rate : 262 hwfmt.play.sample_rate; 263 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 264 if (error) { 265 DPRINTF(("%s: SNDCTL_DSP_SPEED %d = %d\n", 266 __func__, idat, error)); 267 goto out; 268 } 269 } 270 /* FALLTHROUGH */ 271 case OSS_SOUND_PCM_READ_RATE: 272 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 273 if (error) { 274 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 275 __func__, error)); 276 goto out; 277 } 278 idat = GETPRINFO(&tmpinfo, sample_rate); 279 DPRINTF(("%s: SNDCTL_PCM_READ_RATE < %d\n", __func__, idat)); 280 error = copyout(&idat, SCARG(uap, data), sizeof idat); 281 if (error) { 282 DPRINTF(("%s: SOUND_PCM_READ_RATE %d = %d\n", 283 __func__, idat, error)); 284 goto out; 285 } 286 break; 287 case OSS_SNDCTL_DSP_STEREO: 288 AUDIO_INITINFO(&tmpinfo); 289 error = copyin(SCARG(uap, data), &idat, sizeof idat); 290 if (error) { 291 DPRINTF(("%s: SNDCTL_DSP_STEREO %d\n", 292 __func__, error)); 293 goto out; 294 } 295 tmpinfo.play.channels = 296 tmpinfo.record.channels = idat ? 2 : 1; 297 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 298 if (error) { 299 DPRINTF(("%s: AUDIO_SETINFO %d\n", 300 __func__, error)); 301 goto out; 302 } 303 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 304 if (error) { 305 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 306 __func__, error)); 307 goto out; 308 } 309 idat = GETPRINFO(&tmpinfo, channels) - 1; 310 error = copyout(&idat, SCARG(uap, data), sizeof idat); 311 if (error) { 312 DPRINTF(("%s: SNDCTL_DSP_STEREO %d = %d\n", 313 __func__, idat, error)); 314 goto out; 315 } 316 break; 317 case OSS_SNDCTL_DSP_GETBLKSIZE: 318 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 319 if (error) { 320 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 321 __func__, error)); 322 goto out; 323 } 324 setblocksize(fp, &tmpinfo); 325 idat = tmpinfo.blocksize; 326 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE < %d\n", 327 __func__, idat)); 328 error = copyout(&idat, SCARG(uap, data), sizeof idat); 329 if (error) { 330 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE %d = %d\n", 331 __func__, idat, error)); 332 goto out; 333 } 334 break; 335 case OSS_SNDCTL_DSP_SETFMT: 336 AUDIO_INITINFO(&tmpinfo); 337 error = copyin(SCARG(uap, data), &idat, sizeof idat); 338 if (error) { 339 DPRINTF(("%s: SNDCTL_DSP_SETFMT %d\n", 340 __func__, error)); 341 goto out; 342 } 343 switch (idat) { 344 case OSS_AFMT_MU_LAW: 345 tmpinfo.play.precision = 346 tmpinfo.record.precision = 8; 347 tmpinfo.play.encoding = 348 tmpinfo.record.encoding = AUDIO_ENCODING_ULAW; 349 break; 350 case OSS_AFMT_A_LAW: 351 tmpinfo.play.precision = 352 tmpinfo.record.precision = 8; 353 tmpinfo.play.encoding = 354 tmpinfo.record.encoding = AUDIO_ENCODING_ALAW; 355 break; 356 case OSS_AFMT_U8: 357 tmpinfo.play.precision = 358 tmpinfo.record.precision = 8; 359 tmpinfo.play.encoding = 360 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR; 361 break; 362 case OSS_AFMT_S8: 363 tmpinfo.play.precision = 364 tmpinfo.record.precision = 8; 365 tmpinfo.play.encoding = 366 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR; 367 break; 368 case OSS_AFMT_S16_LE: 369 tmpinfo.play.precision = 370 tmpinfo.record.precision = 16; 371 tmpinfo.play.encoding = 372 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 373 break; 374 case OSS_AFMT_S16_BE: 375 tmpinfo.play.precision = 376 tmpinfo.record.precision = 16; 377 tmpinfo.play.encoding = 378 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE; 379 break; 380 case OSS_AFMT_U16_LE: 381 tmpinfo.play.precision = 382 tmpinfo.record.precision = 16; 383 tmpinfo.play.encoding = 384 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE; 385 break; 386 case OSS_AFMT_U16_BE: 387 tmpinfo.play.precision = 388 tmpinfo.record.precision = 16; 389 tmpinfo.play.encoding = 390 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE; 391 break; 392 case OSS_AFMT_AC3: 393 tmpinfo.play.precision = 394 tmpinfo.record.precision = 16; 395 tmpinfo.play.encoding = 396 tmpinfo.record.encoding = AUDIO_ENCODING_AC3; 397 break; 398 default: 399 /* 400 * OSSv4 specifies that if an invalid format is chosen 401 * by an application then a sensible format supported 402 * by the hardware is returned. 403 * 404 * In this case, we pick S16LE since it's reasonably 405 * assumed to be supported by applications. 406 */ 407 tmpinfo.play.precision = 408 tmpinfo.record.precision = 16; 409 tmpinfo.play.encoding = 410 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 411 break; 412 } 413 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 414 __func__, idat)); 415 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 416 if (error) { 417 DPRINTF(("%s: AUDIO_SETINFO %d\n", 418 __func__, error)); 419 goto out; 420 } 421 /* FALLTHROUGH */ 422 case OSS_SOUND_PCM_READ_BITS: 423 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 424 if (error) { 425 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 426 __func__, error)); 427 goto out; 428 } 429 encoding = GETPRINFO(&tmpinfo, encoding); 430 precision = GETPRINFO(&tmpinfo, precision); 431 switch (encoding) { 432 case AUDIO_ENCODING_ULAW: 433 idat = OSS_AFMT_MU_LAW; 434 break; 435 case AUDIO_ENCODING_ALAW: 436 idat = OSS_AFMT_A_LAW; 437 break; 438 case AUDIO_ENCODING_SLINEAR_LE: 439 if (precision == 16) 440 idat = OSS_AFMT_S16_LE; 441 else 442 idat = OSS_AFMT_S8; 443 break; 444 case AUDIO_ENCODING_SLINEAR_BE: 445 if (precision == 16) 446 idat = OSS_AFMT_S16_BE; 447 else 448 idat = OSS_AFMT_S8; 449 break; 450 case AUDIO_ENCODING_ULINEAR_LE: 451 if (precision == 16) 452 idat = OSS_AFMT_U16_LE; 453 else 454 idat = OSS_AFMT_U8; 455 break; 456 case AUDIO_ENCODING_ULINEAR_BE: 457 if (precision == 16) 458 idat = OSS_AFMT_U16_BE; 459 else 460 idat = OSS_AFMT_U8; 461 break; 462 case AUDIO_ENCODING_ADPCM: 463 idat = OSS_AFMT_IMA_ADPCM; 464 break; 465 case AUDIO_ENCODING_AC3: 466 idat = OSS_AFMT_AC3; 467 break; 468 default: 469 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 470 __func__, tmpinfo.play.encoding)); 471 error = EINVAL; 472 goto out; 473 } 474 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 475 __func__, idat)); 476 error = copyout(&idat, SCARG(uap, data), sizeof idat); 477 if (error) { 478 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 479 __func__, idat, error)); 480 goto out; 481 } 482 break; 483 case OSS_SNDCTL_DSP_CHANNELS: 484 AUDIO_INITINFO(&tmpinfo); 485 error = copyin(SCARG(uap, data), &idat, sizeof idat); 486 if (error) { 487 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 488 __func__, error)); 489 goto out; 490 } 491 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 492 if (error) { 493 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 494 __func__, error)); 495 goto out; 496 } 497 setchannels(fp, tmpinfo.mode, idat); 498 /* FALLTHROUGH */ 499 case OSS_SOUND_PCM_READ_CHANNELS: 500 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 501 if (error) { 502 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 503 __func__, error)); 504 goto out; 505 } 506 idat = GETPRINFO(&tmpinfo, channels); 507 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 508 error = copyout(&idat, SCARG(uap, data), sizeof idat); 509 if (error) { 510 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 511 __func__, idat, error)); 512 goto out; 513 } 514 break; 515 case OSS_SOUND_PCM_WRITE_FILTER: 516 case OSS_SOUND_PCM_READ_FILTER: 517 error = EINVAL; /* XXX unimplemented */ 518 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 519 __func__)); 520 goto out; 521 case OSS_SNDCTL_DSP_SUBDIVIDE: 522 error = copyin(SCARG(uap, data), &idat, sizeof idat); 523 if (error) { 524 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 525 __func__, error)); 526 goto out; 527 } 528 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 529 if (error) { 530 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 531 __func__, error)); 532 goto out; 533 } 534 setblocksize(fp, &tmpinfo); 535 if (idat == 0) 536 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 537 idat = (tmpinfo.play.buffer_size / idat) & -4; 538 AUDIO_INITINFO(&tmpinfo); 539 tmpinfo.blocksize = idat; 540 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 541 if (error) { 542 DPRINTF(("%s: AUDIO_SETINFO %d\n", 543 __func__, error)); 544 goto out; 545 } 546 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 547 error = copyout(&idat, SCARG(uap, data), sizeof idat); 548 if (error) { 549 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 550 __func__, idat, error)); 551 goto out; 552 } 553 break; 554 case OSS_SNDCTL_DSP_SETFRAGMENT: 555 AUDIO_INITINFO(&tmpinfo); 556 error = copyin(SCARG(uap, data), &idat, sizeof idat); 557 if (error) { 558 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d\n", 559 __func__, error)); 560 goto out; 561 } 562 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 563 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT bad ival%d\n", 564 __func__, idat)); 565 error = EINVAL; 566 goto out; 567 } 568 tmpinfo.blocksize = 1 << (idat & 0xffff); 569 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 570 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 571 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 572 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 573 tmpinfo.hiwat = 65536; 574 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 575 if (error) { 576 DPRINTF(("%s: AUDIO_SETINFO %d\n", 577 __func__, error)); 578 goto out; 579 } 580 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 581 if (error) { 582 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 583 __func__, error)); 584 goto out; 585 } 586 u = tmpinfo.blocksize; 587 for(idat = 0; u > 1; idat++, u >>= 1) 588 ; 589 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 590 error = copyout(&idat, SCARG(uap, data), sizeof idat); 591 if (error) { 592 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 593 __func__, idat, error)); 594 goto out; 595 } 596 break; 597 case OSS_SNDCTL_DSP_GETFMTS: 598 for (idat = 0, tmpenc.index = 0; 599 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 600 tmpenc.index++) { 601 switch(tmpenc.encoding) { 602 case AUDIO_ENCODING_ULAW: 603 idat |= OSS_AFMT_MU_LAW; 604 break; 605 case AUDIO_ENCODING_ALAW: 606 idat |= OSS_AFMT_A_LAW; 607 break; 608 case AUDIO_ENCODING_SLINEAR: 609 idat |= OSS_AFMT_S8; 610 break; 611 case AUDIO_ENCODING_SLINEAR_LE: 612 if (tmpenc.precision == 16) 613 idat |= OSS_AFMT_S16_LE; 614 else 615 idat |= OSS_AFMT_S8; 616 break; 617 case AUDIO_ENCODING_SLINEAR_BE: 618 if (tmpenc.precision == 16) 619 idat |= OSS_AFMT_S16_BE; 620 else 621 idat |= OSS_AFMT_S8; 622 break; 623 case AUDIO_ENCODING_ULINEAR: 624 idat |= OSS_AFMT_U8; 625 break; 626 case AUDIO_ENCODING_ULINEAR_LE: 627 if (tmpenc.precision == 16) 628 idat |= OSS_AFMT_U16_LE; 629 else 630 idat |= OSS_AFMT_U8; 631 break; 632 case AUDIO_ENCODING_ULINEAR_BE: 633 if (tmpenc.precision == 16) 634 idat |= OSS_AFMT_U16_BE; 635 else 636 idat |= OSS_AFMT_U8; 637 break; 638 case AUDIO_ENCODING_ADPCM: 639 idat |= OSS_AFMT_IMA_ADPCM; 640 break; 641 case AUDIO_ENCODING_AC3: 642 idat |= OSS_AFMT_AC3; 643 break; 644 default: 645 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 646 __func__, tmpenc.encoding)); 647 break; 648 } 649 } 650 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 651 __func__, idat)); 652 error = copyout(&idat, SCARG(uap, data), sizeof idat); 653 if (error) { 654 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 655 __func__, idat, error)); 656 goto out; 657 } 658 break; 659 case OSS_SNDCTL_DSP_GETOSPACE: 660 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 661 if (error) { 662 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 663 __func__, error)); 664 goto out; 665 } 666 setblocksize(fp, &tmpinfo); 667 bufinfo.fragsize = tmpinfo.blocksize; 668 bufinfo.fragments = tmpinfo.hiwat - 669 (tmpinfo.play.seek + tmpinfo.blocksize - 1) / 670 tmpinfo.blocksize; 671 bufinfo.fragstotal = tmpinfo.hiwat; 672 bufinfo.bytes = 673 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek; 674 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 675 if (error) { 676 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 677 __func__, error)); 678 goto out; 679 } 680 break; 681 case OSS_SNDCTL_DSP_GETISPACE: 682 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 683 if (error) { 684 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 685 __func__, error)); 686 goto out; 687 } 688 setblocksize(fp, &tmpinfo); 689 bufinfo.fragsize = tmpinfo.blocksize; 690 bufinfo.fragments = tmpinfo.record.seek / tmpinfo.blocksize; 691 bufinfo.fragstotal = 692 tmpinfo.record.buffer_size / tmpinfo.blocksize; 693 bufinfo.bytes = tmpinfo.record.seek; 694 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 695 if (error) { 696 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 697 __func__, bufinfo.fragsize, bufinfo.fragments, 698 bufinfo.fragstotal, bufinfo.bytes, error)); 699 goto out; 700 } 701 break; 702 case OSS_SNDCTL_DSP_NONBLOCK: 703 idat = 1; 704 error = ioctlf(fp, FIONBIO, &idat); 705 if (error) { 706 DPRINTF(("%s: FIONBIO %d\n", 707 __func__, error)); 708 goto out; 709 } 710 break; 711 case OSS_SNDCTL_DSP_GETCAPS: 712 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 713 if (error) { 714 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 715 __func__, error)); 716 goto out; 717 } 718 idat = OSS_DSP_CAP_TRIGGER; 719 if (idata & AUDIO_PROP_FULLDUPLEX) 720 idat |= OSS_DSP_CAP_DUPLEX; 721 if (idata & AUDIO_PROP_MMAP) 722 idat |= OSS_DSP_CAP_MMAP; 723 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 724 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 725 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 726 error = copyout(&idat, SCARG(uap, data), sizeof idat); 727 if (error) { 728 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 729 idat, error)); 730 goto out; 731 } 732 break; 733 case OSS_SNDCTL_DSP_SETTRIGGER: 734 error = copyin(SCARG(uap, data), &idat, sizeof idat); 735 if (error) { 736 DPRINTF(("%s: SNDCTL_DSP_SETTRIGGER: %d\n", 737 __func__, error)); 738 goto out; 739 } 740 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 741 if (error) { 742 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 743 __func__, error)); 744 goto out; 745 } 746 AUDIO_INITINFO(&tmpinfo); 747 if (tmpinfo.mode & AUMODE_PLAY) 748 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 749 if (tmpinfo.mode & AUMODE_RECORD) 750 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 751 (void)ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 752 /* FALLTHRU */ 753 case OSS_SNDCTL_DSP_GETTRIGGER: 754 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 755 if (error) { 756 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 757 __func__, error)); 758 goto out; 759 } 760 idat = 0; 761 if ((tmpinfo.mode & AUMODE_PLAY) && !tmpinfo.play.pause) 762 idat |= OSS_PCM_ENABLE_OUTPUT; 763 if ((tmpinfo.mode & AUMODE_RECORD) && !tmpinfo.record.pause) 764 idat |= OSS_PCM_ENABLE_INPUT; 765 error = copyout(&idat, SCARG(uap, data), sizeof idat); 766 if (error) { 767 DPRINTF(("%s: SNDCTL_DSP_GETTRIGGER = %x = %d\n", 768 __func__, idat, error)); 769 goto out; 770 } 771 break; 772 case OSS_SNDCTL_DSP_GETIPTR: 773 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 774 if (error) { 775 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 776 __func__, error)); 777 goto out; 778 } 779 cntinfo.bytes = tmpoffs.samples; 780 cntinfo.blocks = tmpoffs.deltablks; 781 cntinfo.ptr = tmpoffs.offset; 782 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 783 if (error) { 784 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 785 __func__, error)); 786 goto out; 787 } 788 break; 789 case OSS_SNDCTL_DSP_GETOPTR: 790 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 791 if (error) { 792 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 793 __func__, error)); 794 goto out; 795 } 796 cntinfo.bytes = tmpoffs.samples; 797 cntinfo.blocks = tmpoffs.deltablks; 798 cntinfo.ptr = tmpoffs.offset; 799 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 800 if (error) { 801 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 802 __func__, error)); 803 goto out; 804 } 805 break; 806 case OSS_SNDCTL_DSP_SETDUPLEX: 807 idat = 1; 808 error = ioctlf(fp, AUDIO_SETFD, &idat); 809 if (error) { 810 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 811 __func__, idat, error)); 812 goto out; 813 } 814 break; 815 case OSS_SNDCTL_DSP_MAPINBUF: 816 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 817 __func__)); 818 error = EINVAL; 819 goto out; 820 case OSS_SNDCTL_DSP_MAPOUTBUF: 821 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 822 __func__)); 823 error = EINVAL; 824 goto out; 825 case OSS_SNDCTL_DSP_SETSYNCRO: 826 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 827 __func__)); 828 error = EINVAL; 829 goto out; 830 case OSS_SNDCTL_DSP_GETODELAY: 831 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 832 if (error) { 833 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 834 __func__, error)); 835 goto out; 836 } 837 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 838 error = copyout(&idat, SCARG(uap, data), sizeof idat); 839 if (error) { 840 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 841 __func__, error)); 842 goto out; 843 } 844 break; 845 case OSS_SNDCTL_DSP_PROFILE: 846 /* This gives just a hint to the driver, 847 * implementing it as a NOP is ok 848 */ 849 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 850 break; 851 default: 852 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 853 error = EINVAL; 854 goto out; 855 } 856 857 out: 858 fd_putfile(SCARG(uap, fd)); 859 return error; 860 } 861 862 /* If the NetBSD mixer device should have more than 32 devices 863 * some will not be available to Linux */ 864 #define NETBSD_MAXDEVS 64 865 struct audiodevinfo { 866 int done; 867 dev_t dev; 868 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 869 rdevmap[NETBSD_MAXDEVS]; 870 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 871 int enum2opaque[NETBSD_MAXDEVS]; 872 u_long devmask, recmask, stereomask; 873 u_long caps, source; 874 }; 875 876 static int 877 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 878 { 879 int i, o; 880 881 for (i = 0; i < NETBSD_MAXDEVS; i++) { 882 o = di->enum2opaque[i]; 883 if (o == opq) 884 break; 885 if (o == -1 && label != NULL && 886 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 887 di->enum2opaque[i] = opq; 888 break; 889 } 890 } 891 if (i >= NETBSD_MAXDEVS) 892 i = -1; 893 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 894 return (i); 895 } 896 897 static int 898 enum_to_ord(struct audiodevinfo *di, int enm) 899 { 900 if (enm >= NETBSD_MAXDEVS) 901 return (-1); 902 903 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 904 return (di->enum2opaque[enm]); 905 } 906 907 static int 908 enum_to_mask(struct audiodevinfo *di, int enm) 909 { 910 int m; 911 if (enm >= NETBSD_MAXDEVS) 912 return (0); 913 914 m = di->enum2opaque[enm]; 915 if (m == -1) 916 m = 0; 917 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 918 return (m); 919 } 920 921 /* 922 * Collect the audio device information to allow faster 923 * emulation of the Linux mixer ioctls. Cache the information 924 * to eliminate the overhead of repeating all the ioctls needed 925 * to collect the information. 926 */ 927 static struct audiodevinfo * 928 getdevinfo(file_t *fp) 929 { 930 mixer_devinfo_t mi; 931 int i, j, e; 932 static const struct { 933 const char *name; 934 int code; 935 } *dp, devs[] = { 936 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 937 { AudioNline, OSS_SOUND_MIXER_LINE }, 938 { AudioNcd, OSS_SOUND_MIXER_CD }, 939 { AudioNdac, OSS_SOUND_MIXER_PCM }, 940 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 941 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 942 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 943 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 944 { AudioNbass, OSS_SOUND_MIXER_BASS }, 945 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 946 /* { AudioNheadphone, ?? },*/ 947 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 948 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 949 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 950 /* { AudioNstereo, ?? },*/ 951 /* { AudioNmono, ?? },*/ 952 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 953 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 954 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 955 /* { AudioNmixerout, ?? },*/ 956 { 0, -1 } 957 }; 958 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 959 struct vnode *vp; 960 struct vattr va; 961 static struct audiodevinfo devcache; 962 struct audiodevinfo *di = &devcache; 963 int error, mlen, dlen; 964 965 /* 966 * Figure out what device it is so we can check if the 967 * cached data is valid. 968 */ 969 vp = fp->f_vnode; 970 if (vp->v_type != VCHR) 971 return 0; 972 vn_lock(vp, LK_SHARED | LK_RETRY); 973 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 974 VOP_UNLOCK(vp); 975 if (error) 976 return 0; 977 if (di->done && di->dev == va.va_rdev) 978 return di; 979 980 di->done = 1; 981 di->dev = va.va_rdev; 982 di->devmask = 0; 983 di->recmask = 0; 984 di->stereomask = 0; 985 di->source = ~0; 986 di->caps = 0; 987 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 988 di->devmap[i] = -1; 989 for(i = 0; i < NETBSD_MAXDEVS; i++) { 990 di->rdevmap[i] = -1; 991 di->names[i][0] = '\0'; 992 di->enum2opaque[i] = -1; 993 } 994 for(i = 0; i < NETBSD_MAXDEVS; i++) { 995 mi.index = i; 996 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 997 break; 998 switch(mi.type) { 999 case AUDIO_MIXER_VALUE: 1000 for(dp = devs; dp->name; dp++) { 1001 if (strcmp(dp->name, mi.label.name) == 0) 1002 break; 1003 dlen = strlen(dp->name); 1004 mlen = strlen(mi.label.name); 1005 if (dlen < mlen 1006 && mi.label.name[mlen-dlen-1] == '.' 1007 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 1008 break; 1009 } 1010 if (dp->code >= 0) { 1011 di->devmap[dp->code] = i; 1012 di->rdevmap[i] = dp->code; 1013 di->devmask |= 1 << dp->code; 1014 if (mi.un.v.num_channels == 2) 1015 di->stereomask |= 1 << dp->code; 1016 strncpy(di->names[i], mi.label.name, 1017 sizeof di->names[i]); 1018 } 1019 break; 1020 } 1021 } 1022 for(i = 0; i < NETBSD_MAXDEVS; i++) { 1023 mi.index = i; 1024 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 1025 break; 1026 if (strcmp(mi.label.name, AudioNsource) != 0) 1027 continue; 1028 di->source = i; 1029 switch(mi.type) { 1030 case AUDIO_MIXER_ENUM: 1031 for(j = 0; j < mi.un.e.num_mem; j++) { 1032 e = opaque_to_enum(di, 1033 &mi.un.e.member[j].label, 1034 mi.un.e.member[j].ord); 1035 if (e >= 0) 1036 di->recmask |= 1 << di->rdevmap[e]; 1037 } 1038 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1039 break; 1040 case AUDIO_MIXER_SET: 1041 for(j = 0; j < mi.un.s.num_mem; j++) { 1042 e = opaque_to_enum(di, 1043 &mi.un.s.member[j].label, 1044 mi.un.s.member[j].mask); 1045 if (e >= 0) 1046 di->recmask |= 1 << di->rdevmap[e]; 1047 } 1048 break; 1049 } 1050 } 1051 return di; 1052 } 1053 1054 int 1055 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1056 { 1057 /* { 1058 syscallarg(int) fd; 1059 syscallarg(u_long) com; 1060 syscallarg(void *) data; 1061 } */ 1062 file_t *fp; 1063 u_long com; 1064 struct audiodevinfo *di; 1065 mixer_ctrl_t mc; 1066 struct oss_mixer_info omi; 1067 struct audio_device adev; 1068 int idat; 1069 int i; 1070 int error; 1071 int l, r, n, e; 1072 int (*ioctlf)(file_t *, u_long, void *); 1073 1074 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1075 return error; 1076 1077 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1078 error = EBADF; 1079 goto out; 1080 } 1081 1082 com = SCARG(uap, com); 1083 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1084 1085 retval[0] = 0; 1086 1087 di = getdevinfo(fp); 1088 if (di == 0) { 1089 error = EINVAL; 1090 goto out; 1091 } 1092 1093 ioctlf = fp->f_ops->fo_ioctl; 1094 switch (com) { 1095 case OSS_GET_VERSION: 1096 idat = OSS_SOUND_VERSION; 1097 break; 1098 case OSS_SOUND_MIXER_INFO: 1099 case OSS_SOUND_OLD_MIXER_INFO: 1100 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1101 if (error) { 1102 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1103 __func__, error)); 1104 goto out; 1105 } 1106 memset(&omi, 0, sizeof omi); 1107 omi.modify_counter = 1; 1108 strncpy(omi.id, adev.name, sizeof omi.id); 1109 strncpy(omi.name, adev.name, sizeof omi.name); 1110 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1111 if (error) { 1112 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1113 __func__, error)); 1114 goto out; 1115 } 1116 break; 1117 case OSS_SOUND_MIXER_READ_RECSRC: 1118 if (di->source == (u_long)-1) { 1119 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1120 __func__)); 1121 error = EINVAL; 1122 goto out; 1123 } 1124 mc.dev = di->source; 1125 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1126 mc.type = AUDIO_MIXER_ENUM; 1127 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1128 if (error) { 1129 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1130 __func__, error)); 1131 goto out; 1132 } 1133 e = opaque_to_enum(di, NULL, mc.un.ord); 1134 if (e >= 0) 1135 idat = 1 << di->rdevmap[e]; 1136 } else { 1137 mc.type = AUDIO_MIXER_SET; 1138 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1139 if (error) { 1140 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1141 __func__, error)); 1142 goto out; 1143 } 1144 e = opaque_to_enum(di, NULL, mc.un.mask); 1145 if (e >= 0) 1146 idat = 1 << di->rdevmap[e]; 1147 } 1148 break; 1149 case OSS_SOUND_MIXER_READ_DEVMASK: 1150 idat = di->devmask; 1151 break; 1152 case OSS_SOUND_MIXER_READ_RECMASK: 1153 idat = di->recmask; 1154 break; 1155 case OSS_SOUND_MIXER_READ_STEREODEVS: 1156 idat = di->stereomask; 1157 break; 1158 case OSS_SOUND_MIXER_READ_CAPS: 1159 idat = di->caps; 1160 break; 1161 case OSS_SOUND_MIXER_WRITE_RECSRC: 1162 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1163 if (di->source == (u_long)-1) { 1164 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1165 "source\n", __func__)); 1166 error = EINVAL; 1167 goto out; 1168 } 1169 mc.dev = di->source; 1170 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1171 if (error) { 1172 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1173 __func__, error)); 1174 goto out; 1175 } 1176 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1177 mc.type = AUDIO_MIXER_ENUM; 1178 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1179 if (idat & (1 << i)) 1180 break; 1181 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1182 di->devmap[i] == -1) { 1183 error = EINVAL; 1184 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1185 "bad index %d\n", __func__, i)); 1186 goto out; 1187 } 1188 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1189 } else { 1190 mc.type = AUDIO_MIXER_SET; 1191 mc.un.mask = 0; 1192 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1193 if (idat & (1 << i)) { 1194 if (di->devmap[i] == -1) { 1195 DPRINTF(("%s: OSS_SOUND_MIXER_" 1196 "WRITE_RECSRC bad devmap " 1197 "%d\n", __func__, i)); 1198 error = EINVAL; 1199 goto out; 1200 } 1201 mc.un.mask |= enum_to_mask(di, 1202 di->devmap[i]); 1203 } 1204 } 1205 } 1206 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1207 if (error) { 1208 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1209 __func__, error)); 1210 goto out; 1211 } 1212 goto out; 1213 default: 1214 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1215 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1216 n = OSS_GET_DEV(com); 1217 if (di->devmap[n] == -1) { 1218 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1219 __func__, com, n)); 1220 error = EINVAL; 1221 goto out; 1222 } 1223 doread: 1224 mc.dev = di->devmap[n]; 1225 mc.type = AUDIO_MIXER_VALUE; 1226 mc.un.value.num_channels = di->stereomask & 1227 (1 << n) ? 2 : 1; 1228 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1229 if (error) { 1230 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1231 __func__, error)); 1232 goto out; 1233 } 1234 if (mc.un.value.num_channels != 2) { 1235 l = r = 1236 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1237 } else { 1238 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1239 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1240 } 1241 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1242 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1243 __func__, n, di->devmap[n], l, r, idat)); 1244 break; 1245 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1246 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1247 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1248 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1249 n = OSS_GET_DEV(com); 1250 if (di->devmap[n] == -1) { 1251 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1252 __func__, com, n)); 1253 error = EINVAL; 1254 goto out; 1255 } 1256 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1257 if (error) { 1258 DPRINTF(("%s: 0x%lx error %d\n", 1259 __func__, com, error)); 1260 goto out; 1261 } 1262 l = FROM_OSSVOL( idat & 0xff); 1263 r = FROM_OSSVOL((idat >> 8) & 0xff); 1264 mc.dev = di->devmap[n]; 1265 mc.type = AUDIO_MIXER_VALUE; 1266 if (di->stereomask & (1 << n)) { 1267 mc.un.value.num_channels = 2; 1268 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1269 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1270 } else { 1271 mc.un.value.num_channels = 1; 1272 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1273 (l + r) / 2; 1274 } 1275 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1276 __func__, n, di->devmap[n], l, r, idat)); 1277 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1278 if (error) { 1279 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1280 __func__, error)); 1281 goto out; 1282 } 1283 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1284 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1285 error = 0; 1286 goto out; 1287 } 1288 goto doread; 1289 } else { 1290 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1291 com)); 1292 error = EINVAL; 1293 goto out; 1294 } 1295 } 1296 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1297 out: 1298 fd_putfile(SCARG(uap, fd)); 1299 return error; 1300 } 1301 1302 /* Sequencer emulation */ 1303 int 1304 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1305 { 1306 /* { 1307 syscallarg(int) fd; 1308 syscallarg(u_long) com; 1309 syscallarg(void *) data; 1310 } */ 1311 file_t *fp; 1312 u_long com; 1313 int idat, idat1; 1314 struct synth_info si; 1315 struct oss_synth_info osi; 1316 struct oss_seq_event_rec oser; 1317 int error; 1318 int (*ioctlf)(file_t *, u_long, void *); 1319 1320 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1321 return (EBADF); 1322 1323 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1324 error = EBADF; 1325 goto out; 1326 } 1327 1328 com = SCARG(uap, com); 1329 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1330 1331 retval[0] = 0; 1332 1333 ioctlf = fp->f_ops->fo_ioctl; 1334 switch (com) { 1335 case OSS_SEQ_RESET: 1336 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1337 goto out; 1338 case OSS_SEQ_SYNC: 1339 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1340 goto out; 1341 case OSS_SYNTH_INFO: 1342 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1343 if (error) 1344 goto out; 1345 si.device = osi.device; 1346 error = ioctlf(fp, SEQUENCER_INFO, &si); 1347 if (error) 1348 goto out; 1349 strncpy(osi.name, si.name, sizeof osi.name); 1350 osi.device = si.device; 1351 switch(si.synth_type) { 1352 case SYNTH_TYPE_FM: 1353 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1354 case SYNTH_TYPE_SAMPLE: 1355 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1356 case SYNTH_TYPE_MIDI: 1357 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1358 default: 1359 osi.synth_type = 0; break; 1360 } 1361 switch(si.synth_subtype) { 1362 case SYNTH_SUB_FM_TYPE_ADLIB: 1363 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1364 case SYNTH_SUB_FM_TYPE_OPL3: 1365 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1366 case SYNTH_SUB_MIDI_TYPE_MPU401: 1367 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1368 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1369 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1370 default: 1371 osi.synth_subtype = 0; break; 1372 } 1373 osi.perc_mode = 0; 1374 osi.nr_voices = si.nr_voices; 1375 osi.nr_drums = 0; 1376 osi.instr_bank_size = si.instr_bank_size; 1377 osi.capabilities = 0; 1378 if (si.capabilities & SYNTH_CAP_OPL3) 1379 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1380 if (si.capabilities & SYNTH_CAP_INPUT) 1381 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1382 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1383 goto out; 1384 case OSS_SEQ_CTRLRATE: 1385 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1386 if (error) 1387 goto out; 1388 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1389 if (error) 1390 goto out; 1391 retval[0] = idat; 1392 break; 1393 case OSS_SEQ_GETOUTCOUNT: 1394 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1395 if (error) 1396 goto out; 1397 retval[0] = idat; 1398 break; 1399 case OSS_SEQ_GETINCOUNT: 1400 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1401 if (error) 1402 goto out; 1403 retval[0] = idat; 1404 break; 1405 case OSS_SEQ_NRSYNTHS: 1406 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1407 if (error) 1408 goto out; 1409 retval[0] = idat; 1410 break; 1411 case OSS_SEQ_NRMIDIS: 1412 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1413 if (error) 1414 goto out; 1415 retval[0] = idat; 1416 break; 1417 case OSS_SEQ_THRESHOLD: 1418 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1419 if (error) 1420 goto out; 1421 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1422 goto out; 1423 case OSS_MEMAVL: 1424 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1425 if (error) 1426 goto out; 1427 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1428 if (error) 1429 goto out; 1430 retval[0] = idat; 1431 break; 1432 case OSS_SEQ_PANIC: 1433 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1434 goto out; 1435 case OSS_SEQ_OUTOFBAND: 1436 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1437 if (error) 1438 goto out; 1439 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1440 if (error) 1441 goto out; 1442 break; 1443 case OSS_SEQ_GETTIME: 1444 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1445 if (error) 1446 goto out; 1447 retval[0] = idat; 1448 break; 1449 case OSS_TMR_TIMEBASE: 1450 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1451 if (error) 1452 goto out; 1453 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1454 if (error) 1455 goto out; 1456 retval[0] = idat; 1457 break; 1458 case OSS_TMR_START: 1459 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1460 goto out; 1461 case OSS_TMR_STOP: 1462 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1463 goto out; 1464 case OSS_TMR_CONTINUE: 1465 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1466 goto out; 1467 case OSS_TMR_TEMPO: 1468 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1469 if (error) 1470 goto out; 1471 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1472 if (error) 1473 goto out; 1474 retval[0] = idat; 1475 break; 1476 case OSS_TMR_SOURCE: 1477 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1478 if (error) 1479 goto out; 1480 idat = 0; 1481 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1482 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1483 if (error) 1484 goto out; 1485 idat1 = idat; 1486 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1487 retval[0] = idat; 1488 break; 1489 case OSS_TMR_METRONOME: 1490 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1491 if (error) 1492 goto out; 1493 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1494 goto out; 1495 case OSS_TMR_SELECT: 1496 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1497 if (error) 1498 goto out; 1499 retval[0] = idat; 1500 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1501 goto out; 1502 default: 1503 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1504 com)); 1505 error = EINVAL; 1506 goto out; 1507 } 1508 1509 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1510 out: 1511 fd_putfile(SCARG(uap, fd)); 1512 return error; 1513 } 1514 1515 /* 1516 * When AUDIO_SETINFO fails to set a channel count, the application's chosen 1517 * number is out of range of what the kernel allows. 1518 * 1519 * When this happens, we use the current hardware settings. This is just in 1520 * case an application is abusing SNDCTL_DSP_CHANNELS - OSSv4 always sets and 1521 * returns a reasonable value, even if it wasn't what the user requested. 1522 * 1523 * XXX: If a device is opened for both playback and recording, and supports 1524 * fewer channels for recording than playback, applications that do both will 1525 * behave very strangely. OSS doesn't allow for reporting separate channel 1526 * counts for recording and playback. This could be worked around by always 1527 * mixing recorded data up to the same number of channels as is being used 1528 * for playback. 1529 */ 1530 static void 1531 setchannels(file_t *fp, int mode, int nchannels) 1532 { 1533 struct audio_info tmpinfo, hwfmt; 1534 int (*ioctlf)(file_t *, u_long, void *); 1535 1536 ioctlf = fp->f_ops->fo_ioctl; 1537 1538 if (ioctlf(fp, AUDIO_GETFORMAT, &hwfmt) < 0) { 1539 hwfmt.record.channels = hwfmt.play.channels = 2; 1540 } 1541 1542 if (mode & AUMODE_PLAY) { 1543 AUDIO_INITINFO(&tmpinfo); 1544 tmpinfo.play.channels = nchannels; 1545 if (ioctlf(fp, AUDIO_SETINFO, &tmpinfo) < 0) { 1546 AUDIO_INITINFO(&tmpinfo); 1547 tmpinfo.play.channels = hwfmt.play.channels; 1548 (void)ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 1549 } 1550 } 1551 1552 if (mode & AUMODE_RECORD) { 1553 AUDIO_INITINFO(&tmpinfo); 1554 tmpinfo.record.channels = nchannels; 1555 if (ioctlf(fp, AUDIO_SETINFO, &tmpinfo) < 0) { 1556 AUDIO_INITINFO(&tmpinfo); 1557 tmpinfo.record.channels = hwfmt.record.channels; 1558 (void)ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 1559 } 1560 } 1561 } 1562 1563 /* 1564 * Check that the blocksize is a power of 2 as OSS wants. 1565 * If not, set it to be. 1566 */ 1567 static void 1568 setblocksize(file_t *fp, struct audio_info *info) 1569 { 1570 struct audio_info set; 1571 u_int s; 1572 1573 if (info->blocksize & (info->blocksize - 1)) { 1574 for(s = 32; s < info->blocksize; s <<= 1) 1575 continue; 1576 AUDIO_INITINFO(&set); 1577 set.blocksize = s; 1578 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1579 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1580 } 1581 } 1582
Indexes created Fri Sep 26 20:09:58 GMT 2025