ossaudio.c revision 1.80
1 /* $NetBSD: ossaudio.c,v 1.80 2020/04/15 15:25:33 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 1.80 2020/04/15 15:25:33 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 setblocksize(file_t *, struct audio_info *); 72 73 #ifdef AUDIO_DEBUG 74 static const char * 75 compat_ossaudio_getcmd(u_long cmd) 76 { 77 static char buf[64]; 78 switch (cmd) { 79 #define _DO(_a) \ 80 case _a: \ 81 return # _a; 82 _DO(OSS_SNDCTL_DSP_RESET) 83 _DO(OSS_SNDCTL_DSP_SYNC) 84 _DO(OSS_SNDCTL_DSP_SPEED) 85 _DO(OSS_SOUND_PCM_READ_RATE) 86 _DO(OSS_SNDCTL_DSP_STEREO) 87 _DO(OSS_SNDCTL_DSP_GETBLKSIZE) 88 _DO(OSS_SNDCTL_DSP_SETFMT) 89 _DO(OSS_SOUND_PCM_READ_BITS) 90 _DO(OSS_SNDCTL_DSP_CHANNELS) 91 _DO(OSS_SOUND_PCM_READ_CHANNELS) 92 _DO(OSS_SOUND_PCM_WRITE_FILTER) 93 _DO(OSS_SOUND_PCM_READ_FILTER) 94 _DO(OSS_SNDCTL_DSP_POST) 95 _DO(OSS_SNDCTL_DSP_SUBDIVIDE) 96 _DO(OSS_SNDCTL_DSP_SETFRAGMENT) 97 _DO(OSS_SNDCTL_DSP_GETFMTS) 98 _DO(OSS_SNDCTL_DSP_GETOSPACE) 99 _DO(OSS_SNDCTL_DSP_GETISPACE) 100 _DO(OSS_SNDCTL_DSP_NONBLOCK) 101 _DO(OSS_SNDCTL_DSP_GETCAPS) 102 _DO(OSS_SNDCTL_DSP_GETTRIGGER) 103 _DO(OSS_SNDCTL_DSP_SETTRIGGER) 104 _DO(OSS_SNDCTL_DSP_GETIPTR) 105 _DO(OSS_SNDCTL_DSP_GETOPTR) 106 _DO(OSS_SNDCTL_DSP_MAPINBUF) 107 _DO(OSS_SNDCTL_DSP_MAPOUTBUF) 108 _DO(OSS_SNDCTL_DSP_SETSYNCRO) 109 _DO(OSS_SNDCTL_DSP_SETDUPLEX) 110 _DO(OSS_SNDCTL_DSP_GETODELAY) 111 _DO(OSS_SNDCTL_DSP_PROFILE) 112 _DO(OSS_SOUND_MIXER_INFO) 113 _DO(OSS_SOUND_OLD_MIXER_INFO) 114 _DO(OSS_GET_VERSION) 115 _DO(OSS_SEQ_RESET) 116 _DO(OSS_SEQ_SYNC) 117 _DO(OSS_SYNTH_INFO) 118 _DO(OSS_SEQ_CTRLRATE) 119 _DO(OSS_SEQ_GETOUTCOUNT) 120 _DO(OSS_SEQ_GETINCOUNT) 121 _DO(OSS_SEQ_PERCMODE) 122 _DO(OSS_SEQ_TESTMIDI) 123 _DO(OSS_SEQ_RESETSAMPLES) 124 _DO(OSS_SEQ_NRSYNTHS) 125 _DO(OSS_SEQ_NRMIDIS) 126 #ifdef notyet 127 _DO(OSS_MIDI_INFO) 128 #endif 129 _DO(OSS_SEQ_THRESHOLD) 130 _DO(OSS_MEMAVL) 131 _DO(OSS_FM_4OP_ENABLE) 132 _DO(OSS_SEQ_PANIC) 133 _DO(OSS_SEQ_OUTOFBAND) 134 _DO(OSS_SEQ_GETTIME) 135 _DO(OSS_ID) 136 _DO(OSS_CONTROL) 137 _DO(OSS_REMOVESAMPLE) 138 _DO(OSS_TMR_TIMEBASE) 139 _DO(OSS_TMR_START) 140 _DO(OSS_TMR_STOP) 141 _DO(OSS_TMR_CONTINUE) 142 _DO(OSS_TMR_TEMPO) 143 _DO(OSS_TMR_SOURCE) 144 _DO(OSS_TMR_METRONOME) 145 _DO(OSS_TMR_SELECT) 146 #undef _DO 147 default: 148 (void)snprintf(buf, sizeof(buf), "*0x%lx*", cmd); 149 return buf; 150 } 151 } 152 #endif 153 154 155 static int 156 compat_ossaudio_modcmd(modcmd_t cmd, void *arg) 157 { 158 159 switch (cmd) { 160 case MODULE_CMD_INIT: 161 case MODULE_CMD_FINI: 162 return 0; 163 default: 164 return ENOTTY; 165 } 166 } 167 168 int 169 oss_ioctl_audio(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 170 { 171 /* { 172 syscallarg(int) fd; 173 syscallarg(u_long) com; 174 syscallarg(void *) data; 175 } */ 176 file_t *fp; 177 u_long com; 178 struct audio_info tmpinfo, hwfmt; 179 struct audio_offset tmpoffs; 180 struct oss_audio_buf_info bufinfo; 181 struct oss_count_info cntinfo; 182 struct audio_encoding tmpenc; 183 u_int u; 184 u_int encoding; 185 u_int precision; 186 int idat, idata; 187 int error = 0; 188 int (*ioctlf)(file_t *, u_long, void *); 189 190 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 191 return (EBADF); 192 193 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 194 error = EBADF; 195 goto out; 196 } 197 198 com = SCARG(uap, com); 199 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 200 201 retval[0] = 0; 202 203 ioctlf = fp->f_ops->fo_ioctl; 204 switch (com) { 205 case OSS_SNDCTL_DSP_RESET: 206 error = ioctlf(fp, AUDIO_FLUSH, NULL); 207 if (error) { 208 DPRINTF(("%s: AUDIO_FLUSH %d\n", __func__, error)); 209 goto out; 210 } 211 break; 212 case OSS_SNDCTL_DSP_SYNC: 213 error = ioctlf(fp, AUDIO_DRAIN, NULL); 214 if (error) { 215 DPRINTF(("%s: AUDIO_DRAIN %d\n", __func__, error)); 216 goto out; 217 } 218 break; 219 case OSS_SNDCTL_DSP_POST: 220 /* This call is merely advisory, and may be a nop. */ 221 break; 222 case OSS_SNDCTL_DSP_SPEED: 223 AUDIO_INITINFO(&tmpinfo); 224 error = copyin(SCARG(uap, data), &idat, sizeof idat); 225 if (error) { 226 DPRINTF(("%s: SNDCTL_DSP_SPEED %d\n", 227 __func__, error)); 228 goto out; 229 } 230 tmpinfo.play.sample_rate = 231 tmpinfo.record.sample_rate = idat; 232 DPRINTF(("%s: SNDCTL_DSP_SPEED > %d\n", __func__, idat)); 233 /* 234 * The default NetBSD behavior if an unsupported sample rate 235 * is set is to return an error code and keep the rate at the 236 * default of 8000 Hz. 237 * 238 * However, the OSS expectation is a sample rate supported by 239 * the hardware is returned if the exact rate could not be set. 240 * 241 * So, if the chosen sample rate is invalid, set and return 242 * the current hardware rate. 243 */ 244 if (ioctlf(fp, AUDIO_SETINFO, &tmpinfo) != 0) { 245 error = ioctlf(fp, AUDIO_GETFORMAT, &hwfmt); 246 if (error) { 247 DPRINTF(("%s: AUDIO_GETFORMAT %d\n", 248 __func__, error)); 249 goto out; 250 } 251 error = ioctlf(fp, AUDIO_GETINFO, &tmpinfo); 252 if (error) { 253 DPRINTF(("%s: AUDIO_GETINFO %d\n", 254 __func__, error)); 255 goto out; 256 } 257 tmpinfo.play.sample_rate = 258 tmpinfo.record.sample_rate = 259 (tmpinfo.mode == AUMODE_RECORD) ? 260 hwfmt.record.sample_rate : 261 hwfmt.play.sample_rate; 262 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 263 if (error) { 264 DPRINTF(("%s: SNDCTL_DSP_SPEED %d = %d\n", 265 __func__, idat, error)); 266 goto out; 267 } 268 } 269 /* FALLTHROUGH */ 270 case OSS_SOUND_PCM_READ_RATE: 271 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 272 if (error) { 273 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 274 __func__, error)); 275 goto out; 276 } 277 idat = GETPRINFO(&tmpinfo, sample_rate); 278 DPRINTF(("%s: SNDCTL_PCM_READ_RATE < %d\n", __func__, idat)); 279 error = copyout(&idat, SCARG(uap, data), sizeof idat); 280 if (error) { 281 DPRINTF(("%s: SOUND_PCM_READ_RATE %d = %d\n", 282 __func__, idat, error)); 283 goto out; 284 } 285 break; 286 case OSS_SNDCTL_DSP_STEREO: 287 AUDIO_INITINFO(&tmpinfo); 288 error = copyin(SCARG(uap, data), &idat, sizeof idat); 289 if (error) { 290 DPRINTF(("%s: SNDCTL_DSP_STEREO %d\n", 291 __func__, error)); 292 goto out; 293 } 294 tmpinfo.play.channels = 295 tmpinfo.record.channels = idat ? 2 : 1; 296 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 297 if (error) { 298 DPRINTF(("%s: AUDIO_SETINFO %d\n", 299 __func__, error)); 300 goto out; 301 } 302 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 303 if (error) { 304 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 305 __func__, error)); 306 goto out; 307 } 308 idat = GETPRINFO(&tmpinfo, channels) - 1; 309 error = copyout(&idat, SCARG(uap, data), sizeof idat); 310 if (error) { 311 DPRINTF(("%s: SNDCTL_DSP_STEREO %d = %d\n", 312 __func__, idat, error)); 313 goto out; 314 } 315 break; 316 case OSS_SNDCTL_DSP_GETBLKSIZE: 317 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 318 if (error) { 319 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 320 __func__, error)); 321 goto out; 322 } 323 setblocksize(fp, &tmpinfo); 324 idat = tmpinfo.blocksize; 325 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE < %d\n", 326 __func__, idat)); 327 error = copyout(&idat, SCARG(uap, data), sizeof idat); 328 if (error) { 329 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE %d = %d\n", 330 __func__, idat, error)); 331 goto out; 332 } 333 break; 334 case OSS_SNDCTL_DSP_SETFMT: 335 AUDIO_INITINFO(&tmpinfo); 336 error = copyin(SCARG(uap, data), &idat, sizeof idat); 337 if (error) { 338 DPRINTF(("%s: SNDCTL_DSP_SETFMT %d\n", 339 __func__, error)); 340 goto out; 341 } 342 switch (idat) { 343 case OSS_AFMT_MU_LAW: 344 tmpinfo.play.precision = 345 tmpinfo.record.precision = 8; 346 tmpinfo.play.encoding = 347 tmpinfo.record.encoding = AUDIO_ENCODING_ULAW; 348 break; 349 case OSS_AFMT_A_LAW: 350 tmpinfo.play.precision = 351 tmpinfo.record.precision = 8; 352 tmpinfo.play.encoding = 353 tmpinfo.record.encoding = AUDIO_ENCODING_ALAW; 354 break; 355 case OSS_AFMT_U8: 356 tmpinfo.play.precision = 357 tmpinfo.record.precision = 8; 358 tmpinfo.play.encoding = 359 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR; 360 break; 361 case OSS_AFMT_S8: 362 tmpinfo.play.precision = 363 tmpinfo.record.precision = 8; 364 tmpinfo.play.encoding = 365 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR; 366 break; 367 case OSS_AFMT_S16_LE: 368 tmpinfo.play.precision = 369 tmpinfo.record.precision = 16; 370 tmpinfo.play.encoding = 371 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 372 break; 373 case OSS_AFMT_S16_BE: 374 tmpinfo.play.precision = 375 tmpinfo.record.precision = 16; 376 tmpinfo.play.encoding = 377 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE; 378 break; 379 case OSS_AFMT_U16_LE: 380 tmpinfo.play.precision = 381 tmpinfo.record.precision = 16; 382 tmpinfo.play.encoding = 383 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE; 384 break; 385 case OSS_AFMT_U16_BE: 386 tmpinfo.play.precision = 387 tmpinfo.record.precision = 16; 388 tmpinfo.play.encoding = 389 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE; 390 break; 391 case OSS_AFMT_AC3: 392 tmpinfo.play.precision = 393 tmpinfo.record.precision = 16; 394 tmpinfo.play.encoding = 395 tmpinfo.record.encoding = AUDIO_ENCODING_AC3; 396 break; 397 default: 398 /* 399 * OSSv4 specifies that if an invalid format is chosen 400 * by an application then a sensible format supported 401 * by the hardware is returned. 402 * 403 * In this case, we pick S16LE since it's reasonably 404 * assumed to be supported by applications. 405 */ 406 tmpinfo.play.precision = 407 tmpinfo.record.precision = 16; 408 tmpinfo.play.encoding = 409 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 410 break; 411 } 412 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 413 __func__, idat)); 414 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 415 if (error) { 416 DPRINTF(("%s: AUDIO_SETINFO %d\n", 417 __func__, error)); 418 goto out; 419 } 420 /* FALLTHROUGH */ 421 case OSS_SOUND_PCM_READ_BITS: 422 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 423 if (error) { 424 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 425 __func__, error)); 426 goto out; 427 } 428 encoding = GETPRINFO(&tmpinfo, encoding); 429 precision = GETPRINFO(&tmpinfo, precision); 430 switch (encoding) { 431 case AUDIO_ENCODING_ULAW: 432 idat = OSS_AFMT_MU_LAW; 433 break; 434 case AUDIO_ENCODING_ALAW: 435 idat = OSS_AFMT_A_LAW; 436 break; 437 case AUDIO_ENCODING_SLINEAR_LE: 438 if (precision == 16) 439 idat = OSS_AFMT_S16_LE; 440 else 441 idat = OSS_AFMT_S8; 442 break; 443 case AUDIO_ENCODING_SLINEAR_BE: 444 if (precision == 16) 445 idat = OSS_AFMT_S16_BE; 446 else 447 idat = OSS_AFMT_S8; 448 break; 449 case AUDIO_ENCODING_ULINEAR_LE: 450 if (precision == 16) 451 idat = OSS_AFMT_U16_LE; 452 else 453 idat = OSS_AFMT_U8; 454 break; 455 case AUDIO_ENCODING_ULINEAR_BE: 456 if (precision == 16) 457 idat = OSS_AFMT_U16_BE; 458 else 459 idat = OSS_AFMT_U8; 460 break; 461 case AUDIO_ENCODING_ADPCM: 462 idat = OSS_AFMT_IMA_ADPCM; 463 break; 464 case AUDIO_ENCODING_AC3: 465 idat = OSS_AFMT_AC3; 466 break; 467 default: 468 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 469 __func__, tmpinfo.play.encoding)); 470 error = EINVAL; 471 goto out; 472 } 473 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 474 __func__, idat)); 475 error = copyout(&idat, SCARG(uap, data), sizeof idat); 476 if (error) { 477 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 478 __func__, idat, error)); 479 goto out; 480 } 481 break; 482 case OSS_SNDCTL_DSP_CHANNELS: 483 AUDIO_INITINFO(&tmpinfo); 484 error = copyin(SCARG(uap, data), &idat, sizeof idat); 485 if (error) { 486 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 487 __func__, error)); 488 goto out; 489 } 490 tmpinfo.play.channels = 491 tmpinfo.record.channels = idat; 492 DPRINTF(("%s: SNDCTL_DSP_CHANNELS > %d\n", __func__, idat)); 493 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 494 if (error) { 495 DPRINTF(("%s: AUDIO_SETINFO %d\n", 496 __func__, error)); 497 goto out; 498 } 499 /* FALLTHROUGH */ 500 case OSS_SOUND_PCM_READ_CHANNELS: 501 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 502 if (error) { 503 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 504 __func__, error)); 505 goto out; 506 } 507 idat = GETPRINFO(&tmpinfo, channels); 508 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 509 error = copyout(&idat, SCARG(uap, data), sizeof idat); 510 if (error) { 511 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 512 __func__, idat, error)); 513 goto out; 514 } 515 break; 516 case OSS_SOUND_PCM_WRITE_FILTER: 517 case OSS_SOUND_PCM_READ_FILTER: 518 error = EINVAL; /* XXX unimplemented */ 519 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 520 __func__)); 521 goto out; 522 case OSS_SNDCTL_DSP_SUBDIVIDE: 523 error = copyin(SCARG(uap, data), &idat, sizeof idat); 524 if (error) { 525 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 526 __func__, error)); 527 goto out; 528 } 529 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 530 if (error) { 531 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 532 __func__, error)); 533 goto out; 534 } 535 setblocksize(fp, &tmpinfo); 536 if (idat == 0) 537 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 538 idat = (tmpinfo.play.buffer_size / idat) & -4; 539 AUDIO_INITINFO(&tmpinfo); 540 tmpinfo.blocksize = idat; 541 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 542 if (error) { 543 DPRINTF(("%s: AUDIO_SETINFO %d\n", 544 __func__, error)); 545 goto out; 546 } 547 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 548 error = copyout(&idat, SCARG(uap, data), sizeof idat); 549 if (error) { 550 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 551 __func__, idat, error)); 552 goto out; 553 } 554 break; 555 case OSS_SNDCTL_DSP_SETFRAGMENT: 556 AUDIO_INITINFO(&tmpinfo); 557 error = copyin(SCARG(uap, data), &idat, sizeof idat); 558 if (error) { 559 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d\n", 560 __func__, error)); 561 goto out; 562 } 563 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 564 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT bad ival%d\n", 565 __func__, idat)); 566 error = EINVAL; 567 goto out; 568 } 569 tmpinfo.blocksize = 1 << (idat & 0xffff); 570 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 571 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 572 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 573 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 574 tmpinfo.hiwat = 65536; 575 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 576 if (error) { 577 DPRINTF(("%s: AUDIO_SETINFO %d\n", 578 __func__, error)); 579 goto out; 580 } 581 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 582 if (error) { 583 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 584 __func__, error)); 585 goto out; 586 } 587 u = tmpinfo.blocksize; 588 for(idat = 0; u > 1; idat++, u >>= 1) 589 ; 590 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 591 error = copyout(&idat, SCARG(uap, data), sizeof idat); 592 if (error) { 593 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 594 __func__, idat, error)); 595 goto out; 596 } 597 break; 598 case OSS_SNDCTL_DSP_GETFMTS: 599 for (idat = 0, tmpenc.index = 0; 600 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 601 tmpenc.index++) { 602 switch(tmpenc.encoding) { 603 case AUDIO_ENCODING_ULAW: 604 idat |= OSS_AFMT_MU_LAW; 605 break; 606 case AUDIO_ENCODING_ALAW: 607 idat |= OSS_AFMT_A_LAW; 608 break; 609 case AUDIO_ENCODING_SLINEAR: 610 idat |= OSS_AFMT_S8; 611 break; 612 case AUDIO_ENCODING_SLINEAR_LE: 613 if (tmpenc.precision == 16) 614 idat |= OSS_AFMT_S16_LE; 615 else 616 idat |= OSS_AFMT_S8; 617 break; 618 case AUDIO_ENCODING_SLINEAR_BE: 619 if (tmpenc.precision == 16) 620 idat |= OSS_AFMT_S16_BE; 621 else 622 idat |= OSS_AFMT_S8; 623 break; 624 case AUDIO_ENCODING_ULINEAR: 625 idat |= OSS_AFMT_U8; 626 break; 627 case AUDIO_ENCODING_ULINEAR_LE: 628 if (tmpenc.precision == 16) 629 idat |= OSS_AFMT_U16_LE; 630 else 631 idat |= OSS_AFMT_U8; 632 break; 633 case AUDIO_ENCODING_ULINEAR_BE: 634 if (tmpenc.precision == 16) 635 idat |= OSS_AFMT_U16_BE; 636 else 637 idat |= OSS_AFMT_U8; 638 break; 639 case AUDIO_ENCODING_ADPCM: 640 idat |= OSS_AFMT_IMA_ADPCM; 641 break; 642 case AUDIO_ENCODING_AC3: 643 idat |= OSS_AFMT_AC3; 644 break; 645 default: 646 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 647 __func__, tmpenc.encoding)); 648 break; 649 } 650 } 651 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 652 __func__, idat)); 653 error = copyout(&idat, SCARG(uap, data), sizeof idat); 654 if (error) { 655 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 656 __func__, idat, error)); 657 goto out; 658 } 659 break; 660 case OSS_SNDCTL_DSP_GETOSPACE: 661 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 662 if (error) { 663 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 664 __func__, error)); 665 goto out; 666 } 667 setblocksize(fp, &tmpinfo); 668 bufinfo.fragsize = tmpinfo.blocksize; 669 bufinfo.fragments = tmpinfo.hiwat - 670 (tmpinfo.play.seek + tmpinfo.blocksize - 1) / 671 tmpinfo.blocksize; 672 bufinfo.fragstotal = tmpinfo.hiwat; 673 bufinfo.bytes = 674 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek; 675 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 676 if (error) { 677 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 678 __func__, error)); 679 goto out; 680 } 681 break; 682 case OSS_SNDCTL_DSP_GETISPACE: 683 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 684 if (error) { 685 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 686 __func__, error)); 687 goto out; 688 } 689 setblocksize(fp, &tmpinfo); 690 bufinfo.fragsize = tmpinfo.blocksize; 691 bufinfo.fragments = tmpinfo.record.seek / tmpinfo.blocksize; 692 bufinfo.fragstotal = 693 tmpinfo.record.buffer_size / tmpinfo.blocksize; 694 bufinfo.bytes = tmpinfo.record.seek; 695 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 696 if (error) { 697 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 698 __func__, bufinfo.fragsize, bufinfo.fragments, 699 bufinfo.fragstotal, bufinfo.bytes, error)); 700 goto out; 701 } 702 break; 703 case OSS_SNDCTL_DSP_NONBLOCK: 704 idat = 1; 705 error = ioctlf(fp, FIONBIO, &idat); 706 if (error) { 707 DPRINTF(("%s: FIONBIO %d\n", 708 __func__, error)); 709 goto out; 710 } 711 break; 712 case OSS_SNDCTL_DSP_GETCAPS: 713 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 714 if (error) { 715 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 716 __func__, error)); 717 goto out; 718 } 719 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 720 if (idata & AUDIO_PROP_FULLDUPLEX) 721 idat |= OSS_DSP_CAP_DUPLEX; 722 if (idata & AUDIO_PROP_MMAP) 723 idat |= OSS_DSP_CAP_MMAP; 724 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 725 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 726 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 727 error = copyout(&idat, SCARG(uap, data), sizeof idat); 728 if (error) { 729 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 730 idat, error)); 731 goto out; 732 } 733 break; 734 #if 0 735 case OSS_SNDCTL_DSP_GETTRIGGER: 736 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 737 if (error) { 738 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 739 __func__, error)); 740 goto out; 741 } 742 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 743 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 744 error = copyout(&idat, SCARG(uap, data), sizeof idat); 745 if (error) { 746 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 747 __func__, idat, error)); 748 goto out; 749 } 750 break; 751 case OSS_SNDCTL_DSP_SETTRIGGER: 752 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 753 if (error) { 754 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 755 __func__, error)); 756 goto out; 757 } 758 error = copyin(SCARG(uap, data), &idat, sizeof idat); 759 if (error) { 760 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 761 __func__, error)); 762 goto out; 763 } 764 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 765 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 766 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 767 if (error) { 768 DPRINTF(("%s: AUDIO_SETINFO %d\n", 769 __func__, error)); 770 goto out; 771 } 772 error = copyout(&idat, SCARG(uap, data), sizeof idat); 773 if (error) { 774 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 775 __func__, idat, error)); 776 goto out; 777 } 778 break; 779 #else 780 case OSS_SNDCTL_DSP_GETTRIGGER: 781 case OSS_SNDCTL_DSP_SETTRIGGER: 782 /* XXX Do nothing for now. */ 783 idat = OSS_PCM_ENABLE_OUTPUT; 784 error = copyout(&idat, SCARG(uap, data), sizeof idat); 785 if (error) { 786 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 787 __func__, idat, error)); 788 goto out; 789 } 790 break; 791 #endif 792 case OSS_SNDCTL_DSP_GETIPTR: 793 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 794 if (error) { 795 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 796 __func__, error)); 797 goto out; 798 } 799 cntinfo.bytes = tmpoffs.samples; 800 cntinfo.blocks = tmpoffs.deltablks; 801 cntinfo.ptr = tmpoffs.offset; 802 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 803 if (error) { 804 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 805 __func__, error)); 806 goto out; 807 } 808 break; 809 case OSS_SNDCTL_DSP_GETOPTR: 810 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 811 if (error) { 812 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 813 __func__, error)); 814 goto out; 815 } 816 cntinfo.bytes = tmpoffs.samples; 817 cntinfo.blocks = tmpoffs.deltablks; 818 cntinfo.ptr = tmpoffs.offset; 819 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 820 if (error) { 821 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 822 __func__, error)); 823 goto out; 824 } 825 break; 826 case OSS_SNDCTL_DSP_SETDUPLEX: 827 idat = 1; 828 error = ioctlf(fp, AUDIO_SETFD, &idat); 829 if (error) { 830 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 831 __func__, idat, error)); 832 goto out; 833 } 834 break; 835 case OSS_SNDCTL_DSP_MAPINBUF: 836 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 837 __func__)); 838 error = EINVAL; 839 goto out; 840 case OSS_SNDCTL_DSP_MAPOUTBUF: 841 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 842 __func__)); 843 error = EINVAL; 844 goto out; 845 case OSS_SNDCTL_DSP_SETSYNCRO: 846 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 847 __func__)); 848 error = EINVAL; 849 goto out; 850 case OSS_SNDCTL_DSP_GETODELAY: 851 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 852 if (error) { 853 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 854 __func__, error)); 855 goto out; 856 } 857 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 858 error = copyout(&idat, SCARG(uap, data), sizeof idat); 859 if (error) { 860 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 861 __func__, error)); 862 goto out; 863 } 864 break; 865 case OSS_SNDCTL_DSP_PROFILE: 866 /* This gives just a hint to the driver, 867 * implementing it as a NOP is ok 868 */ 869 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 870 break; 871 default: 872 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 873 error = EINVAL; 874 goto out; 875 } 876 877 out: 878 fd_putfile(SCARG(uap, fd)); 879 return error; 880 } 881 882 /* If the NetBSD mixer device should have more than 32 devices 883 * some will not be available to Linux */ 884 #define NETBSD_MAXDEVS 64 885 struct audiodevinfo { 886 int done; 887 dev_t dev; 888 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 889 rdevmap[NETBSD_MAXDEVS]; 890 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 891 int enum2opaque[NETBSD_MAXDEVS]; 892 u_long devmask, recmask, stereomask; 893 u_long caps, source; 894 }; 895 896 static int 897 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 898 { 899 int i, o; 900 901 for (i = 0; i < NETBSD_MAXDEVS; i++) { 902 o = di->enum2opaque[i]; 903 if (o == opq) 904 break; 905 if (o == -1 && label != NULL && 906 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 907 di->enum2opaque[i] = opq; 908 break; 909 } 910 } 911 if (i >= NETBSD_MAXDEVS) 912 i = -1; 913 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 914 return (i); 915 } 916 917 static int 918 enum_to_ord(struct audiodevinfo *di, int enm) 919 { 920 if (enm >= NETBSD_MAXDEVS) 921 return (-1); 922 923 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 924 return (di->enum2opaque[enm]); 925 } 926 927 static int 928 enum_to_mask(struct audiodevinfo *di, int enm) 929 { 930 int m; 931 if (enm >= NETBSD_MAXDEVS) 932 return (0); 933 934 m = di->enum2opaque[enm]; 935 if (m == -1) 936 m = 0; 937 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 938 return (m); 939 } 940 941 /* 942 * Collect the audio device information to allow faster 943 * emulation of the Linux mixer ioctls. Cache the information 944 * to eliminate the overhead of repeating all the ioctls needed 945 * to collect the information. 946 */ 947 static struct audiodevinfo * 948 getdevinfo(file_t *fp) 949 { 950 mixer_devinfo_t mi; 951 int i, j, e; 952 static const struct { 953 const char *name; 954 int code; 955 } *dp, devs[] = { 956 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 957 { AudioNline, OSS_SOUND_MIXER_LINE }, 958 { AudioNcd, OSS_SOUND_MIXER_CD }, 959 { AudioNdac, OSS_SOUND_MIXER_PCM }, 960 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 961 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 962 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 963 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 964 { AudioNbass, OSS_SOUND_MIXER_BASS }, 965 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 966 /* { AudioNheadphone, ?? },*/ 967 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 968 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 969 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 970 /* { AudioNstereo, ?? },*/ 971 /* { AudioNmono, ?? },*/ 972 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 973 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 974 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 975 /* { AudioNmixerout, ?? },*/ 976 { 0, -1 } 977 }; 978 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 979 struct vnode *vp; 980 struct vattr va; 981 static struct audiodevinfo devcache; 982 struct audiodevinfo *di = &devcache; 983 int error, mlen, dlen; 984 985 /* 986 * Figure out what device it is so we can check if the 987 * cached data is valid. 988 */ 989 vp = fp->f_vnode; 990 if (vp->v_type != VCHR) 991 return 0; 992 vn_lock(vp, LK_SHARED | LK_RETRY); 993 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 994 VOP_UNLOCK(vp); 995 if (error) 996 return 0; 997 if (di->done && di->dev == va.va_rdev) 998 return di; 999 1000 di->done = 1; 1001 di->dev = va.va_rdev; 1002 di->devmask = 0; 1003 di->recmask = 0; 1004 di->stereomask = 0; 1005 di->source = ~0; 1006 di->caps = 0; 1007 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1008 di->devmap[i] = -1; 1009 for(i = 0; i < NETBSD_MAXDEVS; i++) { 1010 di->rdevmap[i] = -1; 1011 di->names[i][0] = '\0'; 1012 di->enum2opaque[i] = -1; 1013 } 1014 for(i = 0; i < NETBSD_MAXDEVS; i++) { 1015 mi.index = i; 1016 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 1017 break; 1018 switch(mi.type) { 1019 case AUDIO_MIXER_VALUE: 1020 for(dp = devs; dp->name; dp++) { 1021 if (strcmp(dp->name, mi.label.name) == 0) 1022 break; 1023 dlen = strlen(dp->name); 1024 mlen = strlen(mi.label.name); 1025 if (dlen < mlen 1026 && mi.label.name[mlen-dlen-1] == '.' 1027 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 1028 break; 1029 } 1030 if (dp->code >= 0) { 1031 di->devmap[dp->code] = i; 1032 di->rdevmap[i] = dp->code; 1033 di->devmask |= 1 << dp->code; 1034 if (mi.un.v.num_channels == 2) 1035 di->stereomask |= 1 << dp->code; 1036 strncpy(di->names[i], mi.label.name, 1037 sizeof di->names[i]); 1038 } 1039 break; 1040 } 1041 } 1042 for(i = 0; i < NETBSD_MAXDEVS; i++) { 1043 mi.index = i; 1044 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 1045 break; 1046 if (strcmp(mi.label.name, AudioNsource) != 0) 1047 continue; 1048 di->source = i; 1049 switch(mi.type) { 1050 case AUDIO_MIXER_ENUM: 1051 for(j = 0; j < mi.un.e.num_mem; j++) { 1052 e = opaque_to_enum(di, 1053 &mi.un.e.member[j].label, 1054 mi.un.e.member[j].ord); 1055 if (e >= 0) 1056 di->recmask |= 1 << di->rdevmap[e]; 1057 } 1058 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1059 break; 1060 case AUDIO_MIXER_SET: 1061 for(j = 0; j < mi.un.s.num_mem; j++) { 1062 e = opaque_to_enum(di, 1063 &mi.un.s.member[j].label, 1064 mi.un.s.member[j].mask); 1065 if (e >= 0) 1066 di->recmask |= 1 << di->rdevmap[e]; 1067 } 1068 break; 1069 } 1070 } 1071 return di; 1072 } 1073 1074 int 1075 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1076 { 1077 /* { 1078 syscallarg(int) fd; 1079 syscallarg(u_long) com; 1080 syscallarg(void *) data; 1081 } */ 1082 file_t *fp; 1083 u_long com; 1084 struct audiodevinfo *di; 1085 mixer_ctrl_t mc; 1086 struct oss_mixer_info omi; 1087 struct audio_device adev; 1088 int idat; 1089 int i; 1090 int error; 1091 int l, r, n, e; 1092 int (*ioctlf)(file_t *, u_long, void *); 1093 1094 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1095 return error; 1096 1097 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1098 error = EBADF; 1099 goto out; 1100 } 1101 1102 com = SCARG(uap, com); 1103 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1104 1105 retval[0] = 0; 1106 1107 di = getdevinfo(fp); 1108 if (di == 0) { 1109 error = EINVAL; 1110 goto out; 1111 } 1112 1113 ioctlf = fp->f_ops->fo_ioctl; 1114 switch (com) { 1115 case OSS_GET_VERSION: 1116 idat = OSS_SOUND_VERSION; 1117 break; 1118 case OSS_SOUND_MIXER_INFO: 1119 case OSS_SOUND_OLD_MIXER_INFO: 1120 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1121 if (error) { 1122 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1123 __func__, error)); 1124 goto out; 1125 } 1126 omi.modify_counter = 1; 1127 strncpy(omi.id, adev.name, sizeof omi.id); 1128 strncpy(omi.name, adev.name, sizeof omi.name); 1129 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1130 if (error) { 1131 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1132 __func__, error)); 1133 goto out; 1134 } 1135 break; 1136 case OSS_SOUND_MIXER_READ_RECSRC: 1137 if (di->source == (u_long)-1) { 1138 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1139 __func__)); 1140 error = EINVAL; 1141 goto out; 1142 } 1143 mc.dev = di->source; 1144 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1145 mc.type = AUDIO_MIXER_ENUM; 1146 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1147 if (error) { 1148 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1149 __func__, error)); 1150 goto out; 1151 } 1152 e = opaque_to_enum(di, NULL, mc.un.ord); 1153 if (e >= 0) 1154 idat = 1 << di->rdevmap[e]; 1155 } else { 1156 mc.type = AUDIO_MIXER_SET; 1157 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1158 if (error) { 1159 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1160 __func__, error)); 1161 goto out; 1162 } 1163 e = opaque_to_enum(di, NULL, mc.un.mask); 1164 if (e >= 0) 1165 idat = 1 << di->rdevmap[e]; 1166 } 1167 break; 1168 case OSS_SOUND_MIXER_READ_DEVMASK: 1169 idat = di->devmask; 1170 break; 1171 case OSS_SOUND_MIXER_READ_RECMASK: 1172 idat = di->recmask; 1173 break; 1174 case OSS_SOUND_MIXER_READ_STEREODEVS: 1175 idat = di->stereomask; 1176 break; 1177 case OSS_SOUND_MIXER_READ_CAPS: 1178 idat = di->caps; 1179 break; 1180 case OSS_SOUND_MIXER_WRITE_RECSRC: 1181 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1182 if (di->source == (u_long)-1) { 1183 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1184 "source\n", __func__)); 1185 error = EINVAL; 1186 goto out; 1187 } 1188 mc.dev = di->source; 1189 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1190 if (error) { 1191 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1192 __func__, error)); 1193 goto out; 1194 } 1195 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1196 mc.type = AUDIO_MIXER_ENUM; 1197 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1198 if (idat & (1 << i)) 1199 break; 1200 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1201 di->devmap[i] == -1) { 1202 error = EINVAL; 1203 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1204 "bad index %d\n", __func__, i)); 1205 goto out; 1206 } 1207 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1208 } else { 1209 mc.type = AUDIO_MIXER_SET; 1210 mc.un.mask = 0; 1211 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1212 if (idat & (1 << i)) { 1213 if (di->devmap[i] == -1) { 1214 DPRINTF(("%s: OSS_SOUND_MIXER_" 1215 "WRITE_RECSRC bad devmap " 1216 "%d\n", __func__, i)); 1217 error = EINVAL; 1218 goto out; 1219 } 1220 mc.un.mask |= enum_to_mask(di, 1221 di->devmap[i]); 1222 } 1223 } 1224 } 1225 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1226 if (error) { 1227 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1228 __func__, error)); 1229 goto out; 1230 } 1231 goto out; 1232 default: 1233 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1234 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1235 n = OSS_GET_DEV(com); 1236 if (di->devmap[n] == -1) { 1237 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1238 __func__, com, n)); 1239 error = EINVAL; 1240 goto out; 1241 } 1242 doread: 1243 mc.dev = di->devmap[n]; 1244 mc.type = AUDIO_MIXER_VALUE; 1245 mc.un.value.num_channels = di->stereomask & 1246 (1 << n) ? 2 : 1; 1247 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1248 if (error) { 1249 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1250 __func__, error)); 1251 goto out; 1252 } 1253 if (mc.un.value.num_channels != 2) { 1254 l = r = 1255 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1256 } else { 1257 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1258 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1259 } 1260 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1261 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1262 __func__, n, di->devmap[n], l, r, idat)); 1263 break; 1264 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1265 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1266 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1267 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1268 n = OSS_GET_DEV(com); 1269 if (di->devmap[n] == -1) { 1270 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1271 __func__, com, n)); 1272 error = EINVAL; 1273 goto out; 1274 } 1275 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1276 if (error) { 1277 DPRINTF(("%s: 0x%lx error %d\n", 1278 __func__, com, error)); 1279 goto out; 1280 } 1281 l = FROM_OSSVOL( idat & 0xff); 1282 r = FROM_OSSVOL((idat >> 8) & 0xff); 1283 mc.dev = di->devmap[n]; 1284 mc.type = AUDIO_MIXER_VALUE; 1285 if (di->stereomask & (1 << n)) { 1286 mc.un.value.num_channels = 2; 1287 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1288 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1289 } else { 1290 mc.un.value.num_channels = 1; 1291 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1292 (l + r) / 2; 1293 } 1294 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1295 __func__, n, di->devmap[n], l, r, idat)); 1296 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1297 if (error) { 1298 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1299 __func__, error)); 1300 goto out; 1301 } 1302 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1303 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1304 error = 0; 1305 goto out; 1306 } 1307 goto doread; 1308 } else { 1309 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1310 com)); 1311 error = EINVAL; 1312 goto out; 1313 } 1314 } 1315 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1316 out: 1317 fd_putfile(SCARG(uap, fd)); 1318 return error; 1319 } 1320 1321 /* Sequencer emulation */ 1322 int 1323 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1324 { 1325 /* { 1326 syscallarg(int) fd; 1327 syscallarg(u_long) com; 1328 syscallarg(void *) data; 1329 } */ 1330 file_t *fp; 1331 u_long com; 1332 int idat, idat1; 1333 struct synth_info si; 1334 struct oss_synth_info osi; 1335 struct oss_seq_event_rec oser; 1336 int error; 1337 int (*ioctlf)(file_t *, u_long, void *); 1338 1339 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1340 return (EBADF); 1341 1342 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1343 error = EBADF; 1344 goto out; 1345 } 1346 1347 com = SCARG(uap, com); 1348 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1349 1350 retval[0] = 0; 1351 1352 ioctlf = fp->f_ops->fo_ioctl; 1353 switch (com) { 1354 case OSS_SEQ_RESET: 1355 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1356 goto out; 1357 case OSS_SEQ_SYNC: 1358 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1359 goto out; 1360 case OSS_SYNTH_INFO: 1361 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1362 if (error) 1363 goto out; 1364 si.device = osi.device; 1365 error = ioctlf(fp, SEQUENCER_INFO, &si); 1366 if (error) 1367 goto out; 1368 strncpy(osi.name, si.name, sizeof osi.name); 1369 osi.device = si.device; 1370 switch(si.synth_type) { 1371 case SYNTH_TYPE_FM: 1372 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1373 case SYNTH_TYPE_SAMPLE: 1374 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1375 case SYNTH_TYPE_MIDI: 1376 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1377 default: 1378 osi.synth_type = 0; break; 1379 } 1380 switch(si.synth_subtype) { 1381 case SYNTH_SUB_FM_TYPE_ADLIB: 1382 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1383 case SYNTH_SUB_FM_TYPE_OPL3: 1384 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1385 case SYNTH_SUB_MIDI_TYPE_MPU401: 1386 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1387 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1388 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1389 default: 1390 osi.synth_subtype = 0; break; 1391 } 1392 osi.perc_mode = 0; 1393 osi.nr_voices = si.nr_voices; 1394 osi.nr_drums = 0; 1395 osi.instr_bank_size = si.instr_bank_size; 1396 osi.capabilities = 0; 1397 if (si.capabilities & SYNTH_CAP_OPL3) 1398 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1399 if (si.capabilities & SYNTH_CAP_INPUT) 1400 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1401 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1402 goto out; 1403 case OSS_SEQ_CTRLRATE: 1404 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1405 if (error) 1406 goto out; 1407 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1408 if (error) 1409 goto out; 1410 retval[0] = idat; 1411 break; 1412 case OSS_SEQ_GETOUTCOUNT: 1413 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1414 if (error) 1415 goto out; 1416 retval[0] = idat; 1417 break; 1418 case OSS_SEQ_GETINCOUNT: 1419 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1420 if (error) 1421 goto out; 1422 retval[0] = idat; 1423 break; 1424 case OSS_SEQ_NRSYNTHS: 1425 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1426 if (error) 1427 goto out; 1428 retval[0] = idat; 1429 break; 1430 case OSS_SEQ_NRMIDIS: 1431 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1432 if (error) 1433 goto out; 1434 retval[0] = idat; 1435 break; 1436 case OSS_SEQ_THRESHOLD: 1437 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1438 if (error) 1439 goto out; 1440 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1441 goto out; 1442 case OSS_MEMAVL: 1443 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1444 if (error) 1445 goto out; 1446 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1447 if (error) 1448 goto out; 1449 retval[0] = idat; 1450 break; 1451 case OSS_SEQ_PANIC: 1452 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1453 goto out; 1454 case OSS_SEQ_OUTOFBAND: 1455 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1456 if (error) 1457 goto out; 1458 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1459 if (error) 1460 goto out; 1461 break; 1462 case OSS_SEQ_GETTIME: 1463 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1464 if (error) 1465 goto out; 1466 retval[0] = idat; 1467 break; 1468 case OSS_TMR_TIMEBASE: 1469 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1470 if (error) 1471 goto out; 1472 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1473 if (error) 1474 goto out; 1475 retval[0] = idat; 1476 break; 1477 case OSS_TMR_START: 1478 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1479 goto out; 1480 case OSS_TMR_STOP: 1481 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1482 goto out; 1483 case OSS_TMR_CONTINUE: 1484 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1485 goto out; 1486 case OSS_TMR_TEMPO: 1487 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1488 if (error) 1489 goto out; 1490 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1491 if (error) 1492 goto out; 1493 retval[0] = idat; 1494 break; 1495 case OSS_TMR_SOURCE: 1496 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1497 if (error) 1498 goto out; 1499 idat = 0; 1500 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1501 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1502 if (error) 1503 goto out; 1504 idat1 = idat; 1505 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1506 retval[0] = idat; 1507 break; 1508 case OSS_TMR_METRONOME: 1509 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1510 if (error) 1511 goto out; 1512 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1513 goto out; 1514 case OSS_TMR_SELECT: 1515 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1516 if (error) 1517 goto out; 1518 retval[0] = idat; 1519 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1520 goto out; 1521 default: 1522 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1523 com)); 1524 error = EINVAL; 1525 goto out; 1526 } 1527 1528 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1529 out: 1530 fd_putfile(SCARG(uap, fd)); 1531 return error; 1532 } 1533 1534 /* 1535 * Check that the blocksize is a power of 2 as OSS wants. 1536 * If not, set it to be. 1537 */ 1538 static void 1539 setblocksize(file_t *fp, struct audio_info *info) 1540 { 1541 struct audio_info set; 1542 u_int s; 1543 1544 if (info->blocksize & (info->blocksize - 1)) { 1545 for(s = 32; s < info->blocksize; s <<= 1) 1546 continue; 1547 AUDIO_INITINFO(&set); 1548 set.blocksize = s; 1549 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1550 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1551 } 1552 } 1553
Indexes created Tue Sep 23 07:09:52 GMT 2025