1 /* $NetBSD: ossaudio.c,v 1.78 2019/11/03 11:13:46 isaki 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 1.78 2019/11/03 11:13:46 isaki 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; 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 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 234 if (error) { 235 DPRINTF(("%s: SNDCTL_DSP_SPEED %d = %d\n", 236 __func__, idat, error)); 237 goto out; 238 } 239 /* FALLTHROUGH */ 240 case OSS_SOUND_PCM_READ_RATE: 241 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 242 if (error) { 243 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 244 __func__, error)); 245 goto out; 246 } 247 idat = GETPRINFO(&tmpinfo, sample_rate); 248 DPRINTF(("%s: SNDCTL_PCM_READ_RATE < %d\n", __func__, idat)); 249 error = copyout(&idat, SCARG(uap, data), sizeof idat); 250 if (error) { 251 DPRINTF(("%s: SOUND_PCM_READ_RATE %d = %d\n", 252 __func__, idat, error)); 253 goto out; 254 } 255 break; 256 case OSS_SNDCTL_DSP_STEREO: 257 AUDIO_INITINFO(&tmpinfo); 258 error = copyin(SCARG(uap, data), &idat, sizeof idat); 259 if (error) { 260 DPRINTF(("%s: SNDCTL_DSP_STEREO %d\n", 261 __func__, error)); 262 goto out; 263 } 264 tmpinfo.play.channels = 265 tmpinfo.record.channels = idat ? 2 : 1; 266 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 267 if (error) { 268 DPRINTF(("%s: AUDIO_SETINFO %d\n", 269 __func__, error)); 270 goto out; 271 } 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, channels) - 1; 279 error = copyout(&idat, SCARG(uap, data), sizeof idat); 280 if (error) { 281 DPRINTF(("%s: SNDCTL_DSP_STEREO %d = %d\n", 282 __func__, idat, error)); 283 goto out; 284 } 285 break; 286 case OSS_SNDCTL_DSP_GETBLKSIZE: 287 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 288 if (error) { 289 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 290 __func__, error)); 291 goto out; 292 } 293 setblocksize(fp, &tmpinfo); 294 idat = tmpinfo.blocksize; 295 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE < %d\n", 296 __func__, idat)); 297 error = copyout(&idat, SCARG(uap, data), sizeof idat); 298 if (error) { 299 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE %d = %d\n", 300 __func__, idat, error)); 301 goto out; 302 } 303 break; 304 case OSS_SNDCTL_DSP_SETFMT: 305 AUDIO_INITINFO(&tmpinfo); 306 error = copyin(SCARG(uap, data), &idat, sizeof idat); 307 if (error) { 308 DPRINTF(("%s: SNDCTL_DSP_SETFMT %d\n", 309 __func__, error)); 310 goto out; 311 } 312 switch (idat) { 313 case OSS_AFMT_MU_LAW: 314 tmpinfo.play.precision = 315 tmpinfo.record.precision = 8; 316 tmpinfo.play.encoding = 317 tmpinfo.record.encoding = AUDIO_ENCODING_ULAW; 318 break; 319 case OSS_AFMT_A_LAW: 320 tmpinfo.play.precision = 321 tmpinfo.record.precision = 8; 322 tmpinfo.play.encoding = 323 tmpinfo.record.encoding = AUDIO_ENCODING_ALAW; 324 break; 325 case OSS_AFMT_U8: 326 tmpinfo.play.precision = 327 tmpinfo.record.precision = 8; 328 tmpinfo.play.encoding = 329 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR; 330 break; 331 case OSS_AFMT_S8: 332 tmpinfo.play.precision = 333 tmpinfo.record.precision = 8; 334 tmpinfo.play.encoding = 335 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR; 336 break; 337 case OSS_AFMT_S16_LE: 338 tmpinfo.play.precision = 339 tmpinfo.record.precision = 16; 340 tmpinfo.play.encoding = 341 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 342 break; 343 case OSS_AFMT_S16_BE: 344 tmpinfo.play.precision = 345 tmpinfo.record.precision = 16; 346 tmpinfo.play.encoding = 347 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE; 348 break; 349 case OSS_AFMT_U16_LE: 350 tmpinfo.play.precision = 351 tmpinfo.record.precision = 16; 352 tmpinfo.play.encoding = 353 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE; 354 break; 355 case OSS_AFMT_U16_BE: 356 tmpinfo.play.precision = 357 tmpinfo.record.precision = 16; 358 tmpinfo.play.encoding = 359 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE; 360 break; 361 case OSS_AFMT_AC3: 362 tmpinfo.play.precision = 363 tmpinfo.record.precision = 16; 364 tmpinfo.play.encoding = 365 tmpinfo.record.encoding = AUDIO_ENCODING_AC3; 366 break; 367 default: 368 DPRINTF(("%s: SNDCTL_DSP_SETFMT bad fmt %d\n", 369 __func__, idat)); 370 error = EINVAL; 371 goto out; 372 } 373 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 374 __func__, idat)); 375 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 376 if (error) { 377 DPRINTF(("%s: AUDIO_SETINFO %d\n", 378 __func__, error)); 379 goto out; 380 } 381 /* FALLTHROUGH */ 382 case OSS_SOUND_PCM_READ_BITS: 383 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 384 if (error) { 385 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 386 __func__, error)); 387 goto out; 388 } 389 encoding = GETPRINFO(&tmpinfo, encoding); 390 precision = GETPRINFO(&tmpinfo, precision); 391 switch (encoding) { 392 case AUDIO_ENCODING_ULAW: 393 idat = OSS_AFMT_MU_LAW; 394 break; 395 case AUDIO_ENCODING_ALAW: 396 idat = OSS_AFMT_A_LAW; 397 break; 398 case AUDIO_ENCODING_SLINEAR_LE: 399 if (precision == 16) 400 idat = OSS_AFMT_S16_LE; 401 else 402 idat = OSS_AFMT_S8; 403 break; 404 case AUDIO_ENCODING_SLINEAR_BE: 405 if (precision == 16) 406 idat = OSS_AFMT_S16_BE; 407 else 408 idat = OSS_AFMT_S8; 409 break; 410 case AUDIO_ENCODING_ULINEAR_LE: 411 if (precision == 16) 412 idat = OSS_AFMT_U16_LE; 413 else 414 idat = OSS_AFMT_U8; 415 break; 416 case AUDIO_ENCODING_ULINEAR_BE: 417 if (precision == 16) 418 idat = OSS_AFMT_U16_BE; 419 else 420 idat = OSS_AFMT_U8; 421 break; 422 case AUDIO_ENCODING_ADPCM: 423 idat = OSS_AFMT_IMA_ADPCM; 424 break; 425 case AUDIO_ENCODING_AC3: 426 idat = OSS_AFMT_AC3; 427 break; 428 default: 429 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 430 __func__, tmpinfo.play.encoding)); 431 error = EINVAL; 432 goto out; 433 } 434 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 435 __func__, idat)); 436 error = copyout(&idat, SCARG(uap, data), sizeof idat); 437 if (error) { 438 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 439 __func__, idat, error)); 440 goto out; 441 } 442 break; 443 case OSS_SNDCTL_DSP_CHANNELS: 444 AUDIO_INITINFO(&tmpinfo); 445 error = copyin(SCARG(uap, data), &idat, sizeof idat); 446 if (error) { 447 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 448 __func__, error)); 449 goto out; 450 } 451 tmpinfo.play.channels = 452 tmpinfo.record.channels = idat; 453 DPRINTF(("%s: SNDCTL_DSP_CHANNELS > %d\n", __func__, idat)); 454 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 455 if (error) { 456 DPRINTF(("%s: AUDIO_SETINFO %d\n", 457 __func__, error)); 458 goto out; 459 } 460 /* FALLTHROUGH */ 461 case OSS_SOUND_PCM_READ_CHANNELS: 462 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 463 if (error) { 464 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 465 __func__, error)); 466 goto out; 467 } 468 idat = GETPRINFO(&tmpinfo, channels); 469 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 470 error = copyout(&idat, SCARG(uap, data), sizeof idat); 471 if (error) { 472 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 473 __func__, idat, error)); 474 goto out; 475 } 476 break; 477 case OSS_SOUND_PCM_WRITE_FILTER: 478 case OSS_SOUND_PCM_READ_FILTER: 479 error = EINVAL; /* XXX unimplemented */ 480 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 481 __func__)); 482 goto out; 483 case OSS_SNDCTL_DSP_SUBDIVIDE: 484 error = copyin(SCARG(uap, data), &idat, sizeof idat); 485 if (error) { 486 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 487 __func__, error)); 488 goto out; 489 } 490 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 491 if (error) { 492 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 493 __func__, error)); 494 goto out; 495 } 496 setblocksize(fp, &tmpinfo); 497 if (idat == 0) 498 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 499 idat = (tmpinfo.play.buffer_size / idat) & -4; 500 AUDIO_INITINFO(&tmpinfo); 501 tmpinfo.blocksize = idat; 502 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 503 if (error) { 504 DPRINTF(("%s: AUDIO_SETINFO %d\n", 505 __func__, error)); 506 goto out; 507 } 508 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 509 error = copyout(&idat, SCARG(uap, data), sizeof idat); 510 if (error) { 511 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 512 __func__, idat, error)); 513 goto out; 514 } 515 break; 516 case OSS_SNDCTL_DSP_SETFRAGMENT: 517 AUDIO_INITINFO(&tmpinfo); 518 error = copyin(SCARG(uap, data), &idat, sizeof idat); 519 if (error) { 520 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d\n", 521 __func__, error)); 522 goto out; 523 } 524 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 525 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT bad ival%d\n", 526 __func__, idat)); 527 error = EINVAL; 528 goto out; 529 } 530 tmpinfo.blocksize = 1 << (idat & 0xffff); 531 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 532 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 533 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 534 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 535 tmpinfo.hiwat = 65536; 536 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 537 if (error) { 538 DPRINTF(("%s: AUDIO_SETINFO %d\n", 539 __func__, error)); 540 goto out; 541 } 542 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 543 if (error) { 544 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 545 __func__, error)); 546 goto out; 547 } 548 u = tmpinfo.blocksize; 549 for(idat = 0; u > 1; idat++, u >>= 1) 550 ; 551 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 552 error = copyout(&idat, SCARG(uap, data), sizeof idat); 553 if (error) { 554 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 555 __func__, idat, error)); 556 goto out; 557 } 558 break; 559 case OSS_SNDCTL_DSP_GETFMTS: 560 for (idat = 0, tmpenc.index = 0; 561 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 562 tmpenc.index++) { 563 switch(tmpenc.encoding) { 564 case AUDIO_ENCODING_ULAW: 565 idat |= OSS_AFMT_MU_LAW; 566 break; 567 case AUDIO_ENCODING_ALAW: 568 idat |= OSS_AFMT_A_LAW; 569 break; 570 case AUDIO_ENCODING_SLINEAR: 571 idat |= OSS_AFMT_S8; 572 break; 573 case AUDIO_ENCODING_SLINEAR_LE: 574 if (tmpenc.precision == 16) 575 idat |= OSS_AFMT_S16_LE; 576 else 577 idat |= OSS_AFMT_S8; 578 break; 579 case AUDIO_ENCODING_SLINEAR_BE: 580 if (tmpenc.precision == 16) 581 idat |= OSS_AFMT_S16_BE; 582 else 583 idat |= OSS_AFMT_S8; 584 break; 585 case AUDIO_ENCODING_ULINEAR: 586 idat |= OSS_AFMT_U8; 587 break; 588 case AUDIO_ENCODING_ULINEAR_LE: 589 if (tmpenc.precision == 16) 590 idat |= OSS_AFMT_U16_LE; 591 else 592 idat |= OSS_AFMT_U8; 593 break; 594 case AUDIO_ENCODING_ULINEAR_BE: 595 if (tmpenc.precision == 16) 596 idat |= OSS_AFMT_U16_BE; 597 else 598 idat |= OSS_AFMT_U8; 599 break; 600 case AUDIO_ENCODING_ADPCM: 601 idat |= OSS_AFMT_IMA_ADPCM; 602 break; 603 case AUDIO_ENCODING_AC3: 604 idat |= OSS_AFMT_AC3; 605 break; 606 default: 607 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 608 __func__, tmpenc.encoding)); 609 break; 610 } 611 } 612 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 613 __func__, idat)); 614 error = copyout(&idat, SCARG(uap, data), sizeof idat); 615 if (error) { 616 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 617 __func__, idat, error)); 618 goto out; 619 } 620 break; 621 case OSS_SNDCTL_DSP_GETOSPACE: 622 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 623 if (error) { 624 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 625 __func__, error)); 626 goto out; 627 } 628 setblocksize(fp, &tmpinfo); 629 bufinfo.fragsize = tmpinfo.blocksize; 630 bufinfo.fragments = tmpinfo.hiwat - 631 (tmpinfo.play.seek + tmpinfo.blocksize - 1) / 632 tmpinfo.blocksize; 633 bufinfo.fragstotal = tmpinfo.hiwat; 634 bufinfo.bytes = 635 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek; 636 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 637 if (error) { 638 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 639 __func__, error)); 640 goto out; 641 } 642 break; 643 case OSS_SNDCTL_DSP_GETISPACE: 644 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 645 if (error) { 646 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 647 __func__, error)); 648 goto out; 649 } 650 setblocksize(fp, &tmpinfo); 651 bufinfo.fragsize = tmpinfo.blocksize; 652 bufinfo.fragments = tmpinfo.record.seek / tmpinfo.blocksize; 653 bufinfo.fragstotal = 654 tmpinfo.record.buffer_size / tmpinfo.blocksize; 655 bufinfo.bytes = tmpinfo.record.seek; 656 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 657 if (error) { 658 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 659 __func__, bufinfo.fragsize, bufinfo.fragments, 660 bufinfo.fragstotal, bufinfo.bytes, error)); 661 goto out; 662 } 663 break; 664 case OSS_SNDCTL_DSP_NONBLOCK: 665 idat = 1; 666 error = ioctlf(fp, FIONBIO, &idat); 667 if (error) { 668 DPRINTF(("%s: FIONBIO %d\n", 669 __func__, error)); 670 goto out; 671 } 672 break; 673 case OSS_SNDCTL_DSP_GETCAPS: 674 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 675 if (error) { 676 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 677 __func__, error)); 678 goto out; 679 } 680 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 681 if (idata & AUDIO_PROP_FULLDUPLEX) 682 idat |= OSS_DSP_CAP_DUPLEX; 683 if (idata & AUDIO_PROP_MMAP) 684 idat |= OSS_DSP_CAP_MMAP; 685 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 686 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 687 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 688 error = copyout(&idat, SCARG(uap, data), sizeof idat); 689 if (error) { 690 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 691 idat, error)); 692 goto out; 693 } 694 break; 695 #if 0 696 case OSS_SNDCTL_DSP_GETTRIGGER: 697 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 698 if (error) { 699 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 700 __func__, error)); 701 goto out; 702 } 703 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 704 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 705 error = copyout(&idat, SCARG(uap, data), sizeof idat); 706 if (error) { 707 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 708 __func__, idat, error)); 709 goto out; 710 } 711 break; 712 case OSS_SNDCTL_DSP_SETTRIGGER: 713 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 714 if (error) { 715 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 716 __func__, error)); 717 goto out; 718 } 719 error = copyin(SCARG(uap, data), &idat, sizeof idat); 720 if (error) { 721 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 722 __func__, error)); 723 goto out; 724 } 725 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 726 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 727 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 728 if (error) { 729 DPRINTF(("%s: AUDIO_SETINFO %d\n", 730 __func__, error)); 731 goto out; 732 } 733 error = copyout(&idat, SCARG(uap, data), sizeof idat); 734 if (error) { 735 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 736 __func__, idat, error)); 737 goto out; 738 } 739 break; 740 #else 741 case OSS_SNDCTL_DSP_GETTRIGGER: 742 case OSS_SNDCTL_DSP_SETTRIGGER: 743 /* XXX Do nothing for now. */ 744 idat = OSS_PCM_ENABLE_OUTPUT; 745 error = copyout(&idat, SCARG(uap, data), sizeof idat); 746 if (error) { 747 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 748 __func__, idat, error)); 749 goto out; 750 } 751 break; 752 #endif 753 case OSS_SNDCTL_DSP_GETIPTR: 754 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 755 if (error) { 756 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 757 __func__, error)); 758 goto out; 759 } 760 cntinfo.bytes = tmpoffs.samples; 761 cntinfo.blocks = tmpoffs.deltablks; 762 cntinfo.ptr = tmpoffs.offset; 763 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 764 if (error) { 765 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 766 __func__, error)); 767 goto out; 768 } 769 break; 770 case OSS_SNDCTL_DSP_GETOPTR: 771 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 772 if (error) { 773 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 774 __func__, error)); 775 goto out; 776 } 777 cntinfo.bytes = tmpoffs.samples; 778 cntinfo.blocks = tmpoffs.deltablks; 779 cntinfo.ptr = tmpoffs.offset; 780 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 781 if (error) { 782 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 783 __func__, error)); 784 goto out; 785 } 786 break; 787 case OSS_SNDCTL_DSP_SETDUPLEX: 788 idat = 1; 789 error = ioctlf(fp, AUDIO_SETFD, &idat); 790 if (error) { 791 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 792 __func__, idat, error)); 793 goto out; 794 } 795 break; 796 case OSS_SNDCTL_DSP_MAPINBUF: 797 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 798 __func__)); 799 error = EINVAL; 800 goto out; 801 case OSS_SNDCTL_DSP_MAPOUTBUF: 802 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 803 __func__)); 804 error = EINVAL; 805 goto out; 806 case OSS_SNDCTL_DSP_SETSYNCRO: 807 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 808 __func__)); 809 error = EINVAL; 810 goto out; 811 case OSS_SNDCTL_DSP_GETODELAY: 812 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 813 if (error) { 814 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 815 __func__, error)); 816 goto out; 817 } 818 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 819 error = copyout(&idat, SCARG(uap, data), sizeof idat); 820 if (error) { 821 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 822 __func__, error)); 823 goto out; 824 } 825 break; 826 case OSS_SNDCTL_DSP_PROFILE: 827 /* This gives just a hint to the driver, 828 * implementing it as a NOP is ok 829 */ 830 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 831 break; 832 default: 833 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 834 error = EINVAL; 835 goto out; 836 } 837 838 out: 839 fd_putfile(SCARG(uap, fd)); 840 return error; 841 } 842 843 /* If the NetBSD mixer device should have more than 32 devices 844 * some will not be available to Linux */ 845 #define NETBSD_MAXDEVS 64 846 struct audiodevinfo { 847 int done; 848 dev_t dev; 849 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 850 rdevmap[NETBSD_MAXDEVS]; 851 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 852 int enum2opaque[NETBSD_MAXDEVS]; 853 u_long devmask, recmask, stereomask; 854 u_long caps, source; 855 }; 856 857 static int 858 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 859 { 860 int i, o; 861 862 for (i = 0; i < NETBSD_MAXDEVS; i++) { 863 o = di->enum2opaque[i]; 864 if (o == opq) 865 break; 866 if (o == -1 && label != NULL && 867 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 868 di->enum2opaque[i] = opq; 869 break; 870 } 871 } 872 if (i >= NETBSD_MAXDEVS) 873 i = -1; 874 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 875 return (i); 876 } 877 878 static int 879 enum_to_ord(struct audiodevinfo *di, int enm) 880 { 881 if (enm >= NETBSD_MAXDEVS) 882 return (-1); 883 884 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 885 return (di->enum2opaque[enm]); 886 } 887 888 static int 889 enum_to_mask(struct audiodevinfo *di, int enm) 890 { 891 int m; 892 if (enm >= NETBSD_MAXDEVS) 893 return (0); 894 895 m = di->enum2opaque[enm]; 896 if (m == -1) 897 m = 0; 898 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 899 return (m); 900 } 901 902 /* 903 * Collect the audio device information to allow faster 904 * emulation of the Linux mixer ioctls. Cache the information 905 * to eliminate the overhead of repeating all the ioctls needed 906 * to collect the information. 907 */ 908 static struct audiodevinfo * 909 getdevinfo(file_t *fp) 910 { 911 mixer_devinfo_t mi; 912 int i, j, e; 913 static const struct { 914 const char *name; 915 int code; 916 } *dp, devs[] = { 917 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 918 { AudioNline, OSS_SOUND_MIXER_LINE }, 919 { AudioNcd, OSS_SOUND_MIXER_CD }, 920 { AudioNdac, OSS_SOUND_MIXER_PCM }, 921 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 922 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 923 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 924 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 925 { AudioNbass, OSS_SOUND_MIXER_BASS }, 926 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 927 /* { AudioNheadphone, ?? },*/ 928 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 929 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 930 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 931 /* { AudioNstereo, ?? },*/ 932 /* { AudioNmono, ?? },*/ 933 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 934 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 935 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 936 /* { AudioNmixerout, ?? },*/ 937 { 0, -1 } 938 }; 939 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 940 struct vnode *vp; 941 struct vattr va; 942 static struct audiodevinfo devcache; 943 struct audiodevinfo *di = &devcache; 944 int error, mlen, dlen; 945 946 /* 947 * Figure out what device it is so we can check if the 948 * cached data is valid. 949 */ 950 vp = fp->f_vnode; 951 if (vp->v_type != VCHR) 952 return 0; 953 vn_lock(vp, LK_SHARED | LK_RETRY); 954 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 955 VOP_UNLOCK(vp); 956 if (error) 957 return 0; 958 if (di->done && di->dev == va.va_rdev) 959 return di; 960 961 di->done = 1; 962 di->dev = va.va_rdev; 963 di->devmask = 0; 964 di->recmask = 0; 965 di->stereomask = 0; 966 di->source = ~0; 967 di->caps = 0; 968 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 969 di->devmap[i] = -1; 970 for(i = 0; i < NETBSD_MAXDEVS; i++) { 971 di->rdevmap[i] = -1; 972 di->names[i][0] = '\0'; 973 di->enum2opaque[i] = -1; 974 } 975 for(i = 0; i < NETBSD_MAXDEVS; i++) { 976 mi.index = i; 977 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 978 break; 979 switch(mi.type) { 980 case AUDIO_MIXER_VALUE: 981 for(dp = devs; dp->name; dp++) { 982 if (strcmp(dp->name, mi.label.name) == 0) 983 break; 984 dlen = strlen(dp->name); 985 mlen = strlen(mi.label.name); 986 if (dlen < mlen 987 && mi.label.name[mlen-dlen-1] == '.' 988 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 989 break; 990 } 991 if (dp->code >= 0) { 992 di->devmap[dp->code] = i; 993 di->rdevmap[i] = dp->code; 994 di->devmask |= 1 << dp->code; 995 if (mi.un.v.num_channels == 2) 996 di->stereomask |= 1 << dp->code; 997 strncpy(di->names[i], mi.label.name, 998 sizeof di->names[i]); 999 } 1000 break; 1001 } 1002 } 1003 for(i = 0; i < NETBSD_MAXDEVS; i++) { 1004 mi.index = i; 1005 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) != 0) 1006 break; 1007 if (strcmp(mi.label.name, AudioNsource) != 0) 1008 continue; 1009 di->source = i; 1010 switch(mi.type) { 1011 case AUDIO_MIXER_ENUM: 1012 for(j = 0; j < mi.un.e.num_mem; j++) { 1013 e = opaque_to_enum(di, 1014 &mi.un.e.member[j].label, 1015 mi.un.e.member[j].ord); 1016 if (e >= 0) 1017 di->recmask |= 1 << di->rdevmap[e]; 1018 } 1019 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1020 break; 1021 case AUDIO_MIXER_SET: 1022 for(j = 0; j < mi.un.s.num_mem; j++) { 1023 e = opaque_to_enum(di, 1024 &mi.un.s.member[j].label, 1025 mi.un.s.member[j].mask); 1026 if (e >= 0) 1027 di->recmask |= 1 << di->rdevmap[e]; 1028 } 1029 break; 1030 } 1031 } 1032 return di; 1033 } 1034 1035 int 1036 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1037 { 1038 /* { 1039 syscallarg(int) fd; 1040 syscallarg(u_long) com; 1041 syscallarg(void *) data; 1042 } */ 1043 file_t *fp; 1044 u_long com; 1045 struct audiodevinfo *di; 1046 mixer_ctrl_t mc; 1047 struct oss_mixer_info omi; 1048 struct audio_device adev; 1049 int idat; 1050 int i; 1051 int error; 1052 int l, r, n, e; 1053 int (*ioctlf)(file_t *, u_long, void *); 1054 1055 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1056 return error; 1057 1058 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1059 error = EBADF; 1060 goto out; 1061 } 1062 1063 com = SCARG(uap, com); 1064 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1065 1066 retval[0] = 0; 1067 1068 di = getdevinfo(fp); 1069 if (di == 0) { 1070 error = EINVAL; 1071 goto out; 1072 } 1073 1074 ioctlf = fp->f_ops->fo_ioctl; 1075 switch (com) { 1076 case OSS_GET_VERSION: 1077 idat = OSS_SOUND_VERSION; 1078 break; 1079 case OSS_SOUND_MIXER_INFO: 1080 case OSS_SOUND_OLD_MIXER_INFO: 1081 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1082 if (error) { 1083 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1084 __func__, error)); 1085 goto out; 1086 } 1087 omi.modify_counter = 1; 1088 strncpy(omi.id, adev.name, sizeof omi.id); 1089 strncpy(omi.name, adev.name, sizeof omi.name); 1090 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1091 if (error) { 1092 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1093 __func__, error)); 1094 goto out; 1095 } 1096 break; 1097 case OSS_SOUND_MIXER_READ_RECSRC: 1098 if (di->source == (u_long)-1) { 1099 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1100 __func__)); 1101 error = EINVAL; 1102 goto out; 1103 } 1104 mc.dev = di->source; 1105 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1106 mc.type = AUDIO_MIXER_ENUM; 1107 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1108 if (error) { 1109 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1110 __func__, error)); 1111 goto out; 1112 } 1113 e = opaque_to_enum(di, NULL, mc.un.ord); 1114 if (e >= 0) 1115 idat = 1 << di->rdevmap[e]; 1116 } else { 1117 mc.type = AUDIO_MIXER_SET; 1118 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1119 if (error) { 1120 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1121 __func__, error)); 1122 goto out; 1123 } 1124 e = opaque_to_enum(di, NULL, mc.un.mask); 1125 if (e >= 0) 1126 idat = 1 << di->rdevmap[e]; 1127 } 1128 break; 1129 case OSS_SOUND_MIXER_READ_DEVMASK: 1130 idat = di->devmask; 1131 break; 1132 case OSS_SOUND_MIXER_READ_RECMASK: 1133 idat = di->recmask; 1134 break; 1135 case OSS_SOUND_MIXER_READ_STEREODEVS: 1136 idat = di->stereomask; 1137 break; 1138 case OSS_SOUND_MIXER_READ_CAPS: 1139 idat = di->caps; 1140 break; 1141 case OSS_SOUND_MIXER_WRITE_RECSRC: 1142 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1143 if (di->source == (u_long)-1) { 1144 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1145 "source\n", __func__)); 1146 error = EINVAL; 1147 goto out; 1148 } 1149 mc.dev = di->source; 1150 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1151 if (error) { 1152 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1153 __func__, error)); 1154 goto out; 1155 } 1156 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1157 mc.type = AUDIO_MIXER_ENUM; 1158 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1159 if (idat & (1 << i)) 1160 break; 1161 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1162 di->devmap[i] == -1) { 1163 error = EINVAL; 1164 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1165 "bad index %d\n", __func__, i)); 1166 goto out; 1167 } 1168 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1169 } else { 1170 mc.type = AUDIO_MIXER_SET; 1171 mc.un.mask = 0; 1172 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1173 if (idat & (1 << i)) { 1174 if (di->devmap[i] == -1) { 1175 DPRINTF(("%s: OSS_SOUND_MIXER_" 1176 "WRITE_RECSRC bad devmap " 1177 "%d\n", __func__, i)); 1178 error = EINVAL; 1179 goto out; 1180 } 1181 mc.un.mask |= enum_to_mask(di, 1182 di->devmap[i]); 1183 } 1184 } 1185 } 1186 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1187 if (error) { 1188 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1189 __func__, error)); 1190 goto out; 1191 } 1192 goto out; 1193 default: 1194 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1195 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1196 n = OSS_GET_DEV(com); 1197 if (di->devmap[n] == -1) { 1198 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1199 __func__, com, n)); 1200 error = EINVAL; 1201 goto out; 1202 } 1203 doread: 1204 mc.dev = di->devmap[n]; 1205 mc.type = AUDIO_MIXER_VALUE; 1206 mc.un.value.num_channels = di->stereomask & 1207 (1 << n) ? 2 : 1; 1208 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1209 if (error) { 1210 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1211 __func__, error)); 1212 goto out; 1213 } 1214 if (mc.un.value.num_channels != 2) { 1215 l = r = 1216 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1217 } else { 1218 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1219 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1220 } 1221 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1222 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1223 __func__, n, di->devmap[n], l, r, idat)); 1224 break; 1225 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1226 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1227 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1228 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1229 n = OSS_GET_DEV(com); 1230 if (di->devmap[n] == -1) { 1231 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1232 __func__, com, n)); 1233 error = EINVAL; 1234 goto out; 1235 } 1236 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1237 if (error) { 1238 DPRINTF(("%s: 0x%lx error %d\n", 1239 __func__, com, error)); 1240 goto out; 1241 } 1242 l = FROM_OSSVOL( idat & 0xff); 1243 r = FROM_OSSVOL((idat >> 8) & 0xff); 1244 mc.dev = di->devmap[n]; 1245 mc.type = AUDIO_MIXER_VALUE; 1246 if (di->stereomask & (1 << n)) { 1247 mc.un.value.num_channels = 2; 1248 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1249 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1250 } else { 1251 mc.un.value.num_channels = 1; 1252 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1253 (l + r) / 2; 1254 } 1255 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1256 __func__, n, di->devmap[n], l, r, idat)); 1257 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1258 if (error) { 1259 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1260 __func__, error)); 1261 goto out; 1262 } 1263 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1264 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1265 error = 0; 1266 goto out; 1267 } 1268 goto doread; 1269 } else { 1270 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1271 com)); 1272 error = EINVAL; 1273 goto out; 1274 } 1275 } 1276 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1277 out: 1278 fd_putfile(SCARG(uap, fd)); 1279 return error; 1280 } 1281 1282 /* Sequencer emulation */ 1283 int 1284 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1285 { 1286 /* { 1287 syscallarg(int) fd; 1288 syscallarg(u_long) com; 1289 syscallarg(void *) data; 1290 } */ 1291 file_t *fp; 1292 u_long com; 1293 int idat, idat1; 1294 struct synth_info si; 1295 struct oss_synth_info osi; 1296 struct oss_seq_event_rec oser; 1297 int error; 1298 int (*ioctlf)(file_t *, u_long, void *); 1299 1300 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1301 return (EBADF); 1302 1303 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1304 error = EBADF; 1305 goto out; 1306 } 1307 1308 com = SCARG(uap, com); 1309 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1310 1311 retval[0] = 0; 1312 1313 ioctlf = fp->f_ops->fo_ioctl; 1314 switch (com) { 1315 case OSS_SEQ_RESET: 1316 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1317 goto out; 1318 case OSS_SEQ_SYNC: 1319 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1320 goto out; 1321 case OSS_SYNTH_INFO: 1322 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1323 if (error) 1324 goto out; 1325 si.device = osi.device; 1326 error = ioctlf(fp, SEQUENCER_INFO, &si); 1327 if (error) 1328 goto out; 1329 strncpy(osi.name, si.name, sizeof osi.name); 1330 osi.device = si.device; 1331 switch(si.synth_type) { 1332 case SYNTH_TYPE_FM: 1333 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1334 case SYNTH_TYPE_SAMPLE: 1335 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1336 case SYNTH_TYPE_MIDI: 1337 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1338 default: 1339 osi.synth_type = 0; break; 1340 } 1341 switch(si.synth_subtype) { 1342 case SYNTH_SUB_FM_TYPE_ADLIB: 1343 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1344 case SYNTH_SUB_FM_TYPE_OPL3: 1345 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1346 case SYNTH_SUB_MIDI_TYPE_MPU401: 1347 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1348 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1349 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1350 default: 1351 osi.synth_subtype = 0; break; 1352 } 1353 osi.perc_mode = 0; 1354 osi.nr_voices = si.nr_voices; 1355 osi.nr_drums = 0; 1356 osi.instr_bank_size = si.instr_bank_size; 1357 osi.capabilities = 0; 1358 if (si.capabilities & SYNTH_CAP_OPL3) 1359 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1360 if (si.capabilities & SYNTH_CAP_INPUT) 1361 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1362 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1363 goto out; 1364 case OSS_SEQ_CTRLRATE: 1365 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1366 if (error) 1367 goto out; 1368 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1369 if (error) 1370 goto out; 1371 retval[0] = idat; 1372 break; 1373 case OSS_SEQ_GETOUTCOUNT: 1374 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1375 if (error) 1376 goto out; 1377 retval[0] = idat; 1378 break; 1379 case OSS_SEQ_GETINCOUNT: 1380 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1381 if (error) 1382 goto out; 1383 retval[0] = idat; 1384 break; 1385 case OSS_SEQ_NRSYNTHS: 1386 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1387 if (error) 1388 goto out; 1389 retval[0] = idat; 1390 break; 1391 case OSS_SEQ_NRMIDIS: 1392 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1393 if (error) 1394 goto out; 1395 retval[0] = idat; 1396 break; 1397 case OSS_SEQ_THRESHOLD: 1398 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1399 if (error) 1400 goto out; 1401 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1402 goto out; 1403 case OSS_MEMAVL: 1404 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1405 if (error) 1406 goto out; 1407 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1408 if (error) 1409 goto out; 1410 retval[0] = idat; 1411 break; 1412 case OSS_SEQ_PANIC: 1413 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1414 goto out; 1415 case OSS_SEQ_OUTOFBAND: 1416 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1417 if (error) 1418 goto out; 1419 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1420 if (error) 1421 goto out; 1422 break; 1423 case OSS_SEQ_GETTIME: 1424 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1425 if (error) 1426 goto out; 1427 retval[0] = idat; 1428 break; 1429 case OSS_TMR_TIMEBASE: 1430 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1431 if (error) 1432 goto out; 1433 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1434 if (error) 1435 goto out; 1436 retval[0] = idat; 1437 break; 1438 case OSS_TMR_START: 1439 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1440 goto out; 1441 case OSS_TMR_STOP: 1442 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1443 goto out; 1444 case OSS_TMR_CONTINUE: 1445 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1446 goto out; 1447 case OSS_TMR_TEMPO: 1448 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1449 if (error) 1450 goto out; 1451 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1452 if (error) 1453 goto out; 1454 retval[0] = idat; 1455 break; 1456 case OSS_TMR_SOURCE: 1457 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1458 if (error) 1459 goto out; 1460 idat = 0; 1461 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1462 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1463 if (error) 1464 goto out; 1465 idat1 = idat; 1466 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1467 retval[0] = idat; 1468 break; 1469 case OSS_TMR_METRONOME: 1470 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1471 if (error) 1472 goto out; 1473 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1474 goto out; 1475 case OSS_TMR_SELECT: 1476 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1477 if (error) 1478 goto out; 1479 retval[0] = idat; 1480 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1481 goto out; 1482 default: 1483 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1484 com)); 1485 error = EINVAL; 1486 goto out; 1487 } 1488 1489 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1490 out: 1491 fd_putfile(SCARG(uap, fd)); 1492 return error; 1493 } 1494 1495 /* 1496 * Check that the blocksize is a power of 2 as OSS wants. 1497 * If not, set it to be. 1498 */ 1499 static void 1500 setblocksize(file_t *fp, struct audio_info *info) 1501 { 1502 struct audio_info set; 1503 u_int s; 1504 1505 if (info->blocksize & (info->blocksize - 1)) { 1506 for(s = 32; s < info->blocksize; s <<= 1) 1507 continue; 1508 AUDIO_INITINFO(&set); 1509 set.blocksize = s; 1510 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1511 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1512 } 1513 } 1514