ossaudio.c revision 1.71
1 /* $NetBSD: ossaudio.c,v 1.71 2019/01/29 12:01:20 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 1.71 2019/01/29 12:01:20 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 static struct audiodevinfo *getdevinfo(file_t *); 63 static int opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq); 64 static int enum_to_ord(struct audiodevinfo *di, int enm); 65 static int enum_to_mask(struct audiodevinfo *di, int enm); 66 67 static void setblocksize(file_t *, struct audio_info *); 68 69 #ifdef AUDIO_DEBUG 70 static const char * 71 compat_ossaudio_getcmd(u_long cmd) 72 { 73 static char buf[64]; 74 switch (cmd) { 75 #define _DO(_a) \ 76 case _a: \ 77 return # _a; 78 _DO(OSS_SNDCTL_DSP_RESET) 79 _DO(OSS_SNDCTL_DSP_SYNC) 80 _DO(OSS_SNDCTL_DSP_SPEED) 81 _DO(OSS_SOUND_PCM_READ_RATE) 82 _DO(OSS_SNDCTL_DSP_STEREO) 83 _DO(OSS_SNDCTL_DSP_GETBLKSIZE) 84 _DO(OSS_SNDCTL_DSP_SETFMT) 85 _DO(OSS_SOUND_PCM_READ_BITS) 86 _DO(OSS_SNDCTL_DSP_CHANNELS) 87 _DO(OSS_SOUND_PCM_READ_CHANNELS) 88 _DO(OSS_SOUND_PCM_WRITE_FILTER) 89 _DO(OSS_SOUND_PCM_READ_FILTER) 90 _DO(OSS_SNDCTL_DSP_POST) 91 _DO(OSS_SNDCTL_DSP_SUBDIVIDE) 92 _DO(OSS_SNDCTL_DSP_SETFRAGMENT) 93 _DO(OSS_SNDCTL_DSP_GETFMTS) 94 _DO(OSS_SNDCTL_DSP_GETOSPACE) 95 _DO(OSS_SNDCTL_DSP_GETISPACE) 96 _DO(OSS_SNDCTL_DSP_NONBLOCK) 97 _DO(OSS_SNDCTL_DSP_GETCAPS) 98 _DO(OSS_SNDCTL_DSP_GETTRIGGER) 99 _DO(OSS_SNDCTL_DSP_SETTRIGGER) 100 _DO(OSS_SNDCTL_DSP_GETIPTR) 101 _DO(OSS_SNDCTL_DSP_GETOPTR) 102 _DO(OSS_SNDCTL_DSP_MAPINBUF) 103 _DO(OSS_SNDCTL_DSP_MAPOUTBUF) 104 _DO(OSS_SNDCTL_DSP_SETSYNCRO) 105 _DO(OSS_SNDCTL_DSP_SETDUPLEX) 106 _DO(OSS_SNDCTL_DSP_GETODELAY) 107 _DO(OSS_SNDCTL_DSP_PROFILE) 108 _DO(OSS_SOUND_MIXER_INFO) 109 _DO(OSS_SOUND_OLD_MIXER_INFO) 110 _DO(OSS_GET_VERSION) 111 _DO(OSS_SEQ_RESET) 112 _DO(OSS_SEQ_SYNC) 113 _DO(OSS_SYNTH_INFO) 114 _DO(OSS_SEQ_CTRLRATE) 115 _DO(OSS_SEQ_GETOUTCOUNT) 116 _DO(OSS_SEQ_GETINCOUNT) 117 _DO(OSS_SEQ_PERCMODE) 118 _DO(OSS_SEQ_TESTMIDI) 119 _DO(OSS_SEQ_RESETSAMPLES) 120 _DO(OSS_SEQ_NRSYNTHS) 121 _DO(OSS_SEQ_NRMIDIS) 122 #ifdef notyet 123 _DO(OSS_MIDI_INFO) 124 #endif 125 _DO(OSS_SEQ_THRESHOLD) 126 _DO(OSS_MEMAVL) 127 _DO(OSS_FM_4OP_ENABLE) 128 _DO(OSS_SEQ_PANIC) 129 _DO(OSS_SEQ_OUTOFBAND) 130 _DO(OSS_SEQ_GETTIME) 131 _DO(OSS_ID) 132 _DO(OSS_CONTROL) 133 _DO(OSS_REMOVESAMPLE) 134 _DO(OSS_TMR_TIMEBASE) 135 _DO(OSS_TMR_START) 136 _DO(OSS_TMR_STOP) 137 _DO(OSS_TMR_CONTINUE) 138 _DO(OSS_TMR_TEMPO) 139 _DO(OSS_TMR_SOURCE) 140 _DO(OSS_TMR_METRONOME) 141 _DO(OSS_TMR_SELECT) 142 #undef _DO 143 default: 144 (void)snprintf(buf, sizeof(buf), "*0x%lx*", cmd); 145 return buf; 146 } 147 } 148 #endif 149 150 151 static int 152 compat_ossaudio_modcmd(modcmd_t cmd, void *arg) 153 { 154 155 switch (cmd) { 156 case MODULE_CMD_INIT: 157 case MODULE_CMD_FINI: 158 return 0; 159 default: 160 return ENOTTY; 161 } 162 } 163 164 int 165 oss_ioctl_audio(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 166 { 167 /* { 168 syscallarg(int) fd; 169 syscallarg(u_long) com; 170 syscallarg(void *) data; 171 } */ 172 file_t *fp; 173 u_long com; 174 struct audio_info tmpinfo; 175 struct audio_offset tmpoffs; 176 struct oss_audio_buf_info bufinfo; 177 struct oss_count_info cntinfo; 178 struct audio_encoding tmpenc; 179 u_int u; 180 int idat, idata; 181 int error = 0; 182 int (*ioctlf)(file_t *, u_long, void *); 183 184 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 185 return (EBADF); 186 187 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 188 error = EBADF; 189 goto out; 190 } 191 192 com = SCARG(uap, com); 193 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 194 195 retval[0] = 0; 196 197 ioctlf = fp->f_ops->fo_ioctl; 198 switch (com) { 199 case OSS_SNDCTL_DSP_RESET: 200 error = ioctlf(fp, AUDIO_FLUSH, NULL); 201 if (error) { 202 DPRINTF(("%s: AUDIO_FLUSH %d\n", __func__, error)); 203 goto out; 204 } 205 break; 206 case OSS_SNDCTL_DSP_SYNC: 207 error = ioctlf(fp, AUDIO_DRAIN, NULL); 208 if (error) { 209 DPRINTF(("%s: AUDIO_DRAIN %d\n", __func__, error)); 210 goto out; 211 } 212 break; 213 case OSS_SNDCTL_DSP_POST: 214 /* This call is merely advisory, and may be a nop. */ 215 break; 216 case OSS_SNDCTL_DSP_SPEED: 217 AUDIO_INITINFO(&tmpinfo); 218 error = copyin(SCARG(uap, data), &idat, sizeof idat); 219 if (error) { 220 DPRINTF(("%s: SNDCTL_DSP_SPEED %d\n", 221 __func__, error)); 222 goto out; 223 } 224 tmpinfo.play.sample_rate = 225 tmpinfo.record.sample_rate = idat; 226 DPRINTF(("%s: SNDCTL_DSP_SPEED > %d\n", __func__, idat)); 227 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 228 if (error) { 229 DPRINTF(("%s: SNDCTL_DSP_SPEED %d = %d\n", 230 __func__, idat, error)); 231 goto out; 232 } 233 /* fall into ... */ 234 case OSS_SOUND_PCM_READ_RATE: 235 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 236 if (error) { 237 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 238 __func__, error)); 239 goto out; 240 } 241 idat = tmpinfo.play.sample_rate; 242 DPRINTF(("%s: SNDCTL_PCM_READ_RATE < %d\n", __func__, idat)); 243 error = copyout(&idat, SCARG(uap, data), sizeof idat); 244 if (error) { 245 DPRINTF(("%s: SOUND_PCM_READ_RATE %d = %d\n", 246 __func__, idat, error)); 247 goto out; 248 } 249 break; 250 case OSS_SNDCTL_DSP_STEREO: 251 AUDIO_INITINFO(&tmpinfo); 252 error = copyin(SCARG(uap, data), &idat, sizeof idat); 253 if (error) { 254 DPRINTF(("%s: SNDCTL_DSP_STEREO %d\n", 255 __func__, error)); 256 goto out; 257 } 258 tmpinfo.play.channels = 259 tmpinfo.record.channels = idat ? 2 : 1; 260 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 261 if (error) { 262 DPRINTF(("%s: AUDIO_SETINFO %d\n", 263 __func__, error)); 264 goto out; 265 } 266 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 267 if (error) { 268 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 269 __func__, error)); 270 goto out; 271 } 272 idat = tmpinfo.play.channels - 1; 273 error = copyout(&idat, SCARG(uap, data), sizeof idat); 274 if (error) { 275 DPRINTF(("%s: SNDCTL_DSP_STEREO %d = %d\n", 276 __func__, idat, error)); 277 goto out; 278 } 279 break; 280 case OSS_SNDCTL_DSP_GETBLKSIZE: 281 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 282 if (error) { 283 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 284 __func__, error)); 285 goto out; 286 } 287 setblocksize(fp, &tmpinfo); 288 idat = tmpinfo.blocksize; 289 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE < %d\n", 290 __func__, idat)); 291 error = copyout(&idat, SCARG(uap, data), sizeof idat); 292 if (error) { 293 DPRINTF(("%s: SNDCTL_DSP_GETBLKSIZE %d = %d\n", 294 __func__, idat, error)); 295 goto out; 296 } 297 break; 298 case OSS_SNDCTL_DSP_SETFMT: 299 AUDIO_INITINFO(&tmpinfo); 300 error = copyin(SCARG(uap, data), &idat, sizeof idat); 301 if (error) { 302 DPRINTF(("%s: SNDCTL_DSP_SETFMT %d\n", 303 __func__, error)); 304 goto out; 305 } 306 switch (idat) { 307 case OSS_AFMT_MU_LAW: 308 tmpinfo.play.precision = 309 tmpinfo.record.precision = 8; 310 tmpinfo.play.encoding = 311 tmpinfo.record.encoding = AUDIO_ENCODING_ULAW; 312 break; 313 case OSS_AFMT_A_LAW: 314 tmpinfo.play.precision = 315 tmpinfo.record.precision = 8; 316 tmpinfo.play.encoding = 317 tmpinfo.record.encoding = AUDIO_ENCODING_ALAW; 318 break; 319 case OSS_AFMT_U8: 320 tmpinfo.play.precision = 321 tmpinfo.record.precision = 8; 322 tmpinfo.play.encoding = 323 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR; 324 break; 325 case OSS_AFMT_S8: 326 tmpinfo.play.precision = 327 tmpinfo.record.precision = 8; 328 tmpinfo.play.encoding = 329 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR; 330 break; 331 case OSS_AFMT_S16_LE: 332 tmpinfo.play.precision = 333 tmpinfo.record.precision = 16; 334 tmpinfo.play.encoding = 335 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_LE; 336 break; 337 case OSS_AFMT_S16_BE: 338 tmpinfo.play.precision = 339 tmpinfo.record.precision = 16; 340 tmpinfo.play.encoding = 341 tmpinfo.record.encoding = AUDIO_ENCODING_SLINEAR_BE; 342 break; 343 case OSS_AFMT_U16_LE: 344 tmpinfo.play.precision = 345 tmpinfo.record.precision = 16; 346 tmpinfo.play.encoding = 347 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_LE; 348 break; 349 case OSS_AFMT_U16_BE: 350 tmpinfo.play.precision = 351 tmpinfo.record.precision = 16; 352 tmpinfo.play.encoding = 353 tmpinfo.record.encoding = AUDIO_ENCODING_ULINEAR_BE; 354 break; 355 case OSS_AFMT_AC3: 356 tmpinfo.play.precision = 357 tmpinfo.record.precision = 16; 358 tmpinfo.play.encoding = 359 tmpinfo.record.encoding = AUDIO_ENCODING_AC3; 360 break; 361 default: 362 DPRINTF(("%s: SNDCTL_DSP_SETFMT bad fmt %d\n", 363 __func__, idat)); 364 error = EINVAL; 365 goto out; 366 } 367 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 368 __func__, idat)); 369 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 370 if (error) { 371 DPRINTF(("%s: AUDIO_SETINFO %d\n", 372 __func__, error)); 373 goto out; 374 } 375 /* fall into ... */ 376 case OSS_SOUND_PCM_READ_BITS: 377 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 378 if (error) { 379 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 380 __func__, error)); 381 goto out; 382 } 383 switch (tmpinfo.play.encoding) { 384 case AUDIO_ENCODING_ULAW: 385 idat = OSS_AFMT_MU_LAW; 386 break; 387 case AUDIO_ENCODING_ALAW: 388 idat = OSS_AFMT_A_LAW; 389 break; 390 case AUDIO_ENCODING_SLINEAR_LE: 391 if (tmpinfo.play.precision == 16) 392 idat = OSS_AFMT_S16_LE; 393 else 394 idat = OSS_AFMT_S8; 395 break; 396 case AUDIO_ENCODING_SLINEAR_BE: 397 if (tmpinfo.play.precision == 16) 398 idat = OSS_AFMT_S16_BE; 399 else 400 idat = OSS_AFMT_S8; 401 break; 402 case AUDIO_ENCODING_ULINEAR_LE: 403 if (tmpinfo.play.precision == 16) 404 idat = OSS_AFMT_U16_LE; 405 else 406 idat = OSS_AFMT_U8; 407 break; 408 case AUDIO_ENCODING_ULINEAR_BE: 409 if (tmpinfo.play.precision == 16) 410 idat = OSS_AFMT_U16_BE; 411 else 412 idat = OSS_AFMT_U8; 413 break; 414 case AUDIO_ENCODING_ADPCM: 415 idat = OSS_AFMT_IMA_ADPCM; 416 break; 417 case AUDIO_ENCODING_AC3: 418 idat = OSS_AFMT_AC3; 419 break; 420 default: 421 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 422 __func__, tmpinfo.play.encoding)); 423 error = EINVAL; 424 goto out; 425 } 426 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 427 __func__, idat)); 428 error = copyout(&idat, SCARG(uap, data), sizeof idat); 429 if (error) { 430 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 431 __func__, idat, error)); 432 goto out; 433 } 434 break; 435 case OSS_SNDCTL_DSP_CHANNELS: 436 AUDIO_INITINFO(&tmpinfo); 437 error = copyin(SCARG(uap, data), &idat, sizeof idat); 438 if (error) { 439 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 440 __func__, error)); 441 goto out; 442 } 443 tmpinfo.play.channels = 444 tmpinfo.record.channels = idat; 445 DPRINTF(("%s: SNDCTL_DSP_CHANNELS > %d\n", __func__, idat)); 446 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 447 if (error) { 448 DPRINTF(("%s: AUDIO_SETINFO %d\n", 449 __func__, error)); 450 goto out; 451 } 452 /* fall into ... */ 453 case OSS_SOUND_PCM_READ_CHANNELS: 454 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 455 if (error) { 456 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 457 __func__, error)); 458 goto out; 459 } 460 idat = tmpinfo.play.channels; 461 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 462 error = copyout(&idat, SCARG(uap, data), sizeof idat); 463 if (error) { 464 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 465 __func__, idat, error)); 466 goto out; 467 } 468 break; 469 case OSS_SOUND_PCM_WRITE_FILTER: 470 case OSS_SOUND_PCM_READ_FILTER: 471 error = EINVAL; /* XXX unimplemented */ 472 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 473 __func__)); 474 goto out; 475 case OSS_SNDCTL_DSP_SUBDIVIDE: 476 error = copyin(SCARG(uap, data), &idat, sizeof idat); 477 if (error) { 478 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 479 __func__, error)); 480 goto out; 481 } 482 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 483 if (error) { 484 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 485 __func__, error)); 486 goto out; 487 } 488 setblocksize(fp, &tmpinfo); 489 if (idat == 0) 490 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 491 idat = (tmpinfo.play.buffer_size / idat) & -4; 492 AUDIO_INITINFO(&tmpinfo); 493 tmpinfo.blocksize = idat; 494 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 495 if (error) { 496 DPRINTF(("%s: AUDIO_SETINFO %d\n", 497 __func__, error)); 498 goto out; 499 } 500 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 501 error = copyout(&idat, SCARG(uap, data), sizeof idat); 502 if (error) { 503 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 504 __func__, idat, error)); 505 goto out; 506 } 507 break; 508 case OSS_SNDCTL_DSP_SETFRAGMENT: 509 AUDIO_INITINFO(&tmpinfo); 510 error = copyin(SCARG(uap, data), &idat, sizeof idat); 511 if (error) { 512 DPRINTF(("%s: DSP_SETFRAGMENT %d\n", 513 __func__, error)); 514 goto out; 515 } 516 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 517 DPRINTF(("%s: DSP_SETFRAGMENT bad ival%d\n", 518 __func__, idat)); 519 error = EINVAL; 520 goto out; 521 } 522 tmpinfo.blocksize = 1 << (idat & 0xffff); 523 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 524 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 525 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 526 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 527 tmpinfo.hiwat = 65536; 528 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 529 if (error) { 530 DPRINTF(("%s: AUDIO_SETINFO %d\n", 531 __func__, error)); 532 goto out; 533 } 534 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 535 if (error) { 536 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 537 __func__, error)); 538 goto out; 539 } 540 u = tmpinfo.blocksize; 541 for(idat = 0; u > 1; idat++, u >>= 1) 542 ; 543 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 544 error = copyout(&idat, SCARG(uap, data), sizeof idat); 545 if (error) { 546 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 547 __func__, idat, error)); 548 goto out; 549 } 550 break; 551 case OSS_SNDCTL_DSP_GETFMTS: 552 for (idat = 0, tmpenc.index = 0; 553 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 554 tmpenc.index++) { 555 switch(tmpenc.encoding) { 556 case AUDIO_ENCODING_ULAW: 557 idat |= OSS_AFMT_MU_LAW; 558 break; 559 case AUDIO_ENCODING_ALAW: 560 idat |= OSS_AFMT_A_LAW; 561 break; 562 case AUDIO_ENCODING_SLINEAR: 563 idat |= OSS_AFMT_S8; 564 break; 565 case AUDIO_ENCODING_SLINEAR_LE: 566 if (tmpenc.precision == 16) 567 idat |= OSS_AFMT_S16_LE; 568 else 569 idat |= OSS_AFMT_S8; 570 break; 571 case AUDIO_ENCODING_SLINEAR_BE: 572 if (tmpenc.precision == 16) 573 idat |= OSS_AFMT_S16_BE; 574 else 575 idat |= OSS_AFMT_S8; 576 break; 577 case AUDIO_ENCODING_ULINEAR: 578 idat |= OSS_AFMT_U8; 579 break; 580 case AUDIO_ENCODING_ULINEAR_LE: 581 if (tmpenc.precision == 16) 582 idat |= OSS_AFMT_U16_LE; 583 else 584 idat |= OSS_AFMT_U8; 585 break; 586 case AUDIO_ENCODING_ULINEAR_BE: 587 if (tmpenc.precision == 16) 588 idat |= OSS_AFMT_U16_BE; 589 else 590 idat |= OSS_AFMT_U8; 591 break; 592 case AUDIO_ENCODING_ADPCM: 593 idat |= OSS_AFMT_IMA_ADPCM; 594 break; 595 case AUDIO_ENCODING_AC3: 596 idat |= OSS_AFMT_AC3; 597 break; 598 default: 599 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 600 __func__, tmpenc.encoding)); 601 break; 602 } 603 } 604 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 605 __func__, idat)); 606 error = copyout(&idat, SCARG(uap, data), sizeof idat); 607 if (error) { 608 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 609 __func__, idat, error)); 610 goto out; 611 } 612 break; 613 case OSS_SNDCTL_DSP_GETOSPACE: 614 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 615 if (error) { 616 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 617 __func__, error)); 618 goto out; 619 } 620 setblocksize(fp, &tmpinfo); 621 bufinfo.fragsize = tmpinfo.blocksize; 622 bufinfo.fragments = tmpinfo.hiwat - 623 (tmpinfo.play.seek + tmpinfo.blocksize - 1) / 624 tmpinfo.blocksize; 625 bufinfo.fragstotal = tmpinfo.hiwat; 626 bufinfo.bytes = 627 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek; 628 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 629 if (error) { 630 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 631 __func__, error)); 632 goto out; 633 } 634 break; 635 case OSS_SNDCTL_DSP_GETISPACE: 636 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 637 if (error) { 638 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 639 __func__, error)); 640 goto out; 641 } 642 setblocksize(fp, &tmpinfo); 643 bufinfo.fragsize = tmpinfo.blocksize; 644 bufinfo.fragments = tmpinfo.record.seek / tmpinfo.blocksize; 645 bufinfo.fragstotal = tmpinfo.hiwat; 646 bufinfo.bytes = bufinfo.fragments * tmpinfo.blocksize; 647 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 648 if (error) { 649 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 650 __func__, bufinfo.fragsize, bufinfo.fragments, 651 bufinfo.fragstotal, bufinfo.bytes, error)); 652 goto out; 653 } 654 break; 655 case OSS_SNDCTL_DSP_NONBLOCK: 656 idat = 1; 657 error = ioctlf(fp, FIONBIO, &idat); 658 if (error) { 659 DPRINTF(("%s: SENDCLT_DSP_NONBLOCK %d\n", 660 __func__, error)); 661 goto out; 662 } 663 break; 664 case OSS_SNDCTL_DSP_GETCAPS: 665 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 666 if (error) { 667 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 668 __func__, error)); 669 goto out; 670 } 671 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 672 if (idata & AUDIO_PROP_FULLDUPLEX) 673 idat |= OSS_DSP_CAP_DUPLEX; 674 if (idata & AUDIO_PROP_MMAP) 675 idat |= OSS_DSP_CAP_MMAP; 676 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 677 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 678 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 679 error = copyout(&idat, SCARG(uap, data), sizeof idat); 680 if (error) { 681 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 682 idat, error)); 683 goto out; 684 } 685 break; 686 #if 0 687 case OSS_SNDCTL_DSP_GETTRIGGER: 688 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 689 if (error) { 690 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 691 __func__, error)); 692 goto out; 693 } 694 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 695 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 696 error = copyout(&idat, SCARG(uap, data), sizeof idat); 697 if (error) { 698 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 699 __func__, idat, error)); 700 goto out; 701 } 702 break; 703 case OSS_SNDCTL_DSP_SETTRIGGER: 704 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 705 if (error) { 706 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 707 __func__, error)); 708 goto out; 709 } 710 error = copyin(SCARG(uap, data), &idat, sizeof idat); 711 if (error) { 712 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 713 __func__, error)); 714 goto out; 715 } 716 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 717 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 718 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 719 if (error) { 720 DPRINTF(("%s: AUDIO_SETINFO %d\n", 721 __func__, error)); 722 goto out; 723 } 724 error = copyout(&idat, SCARG(uap, data), sizeof idat); 725 if (error) { 726 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 727 __func__, idat, error)); 728 goto out; 729 } 730 break; 731 #else 732 case OSS_SNDCTL_DSP_GETTRIGGER: 733 case OSS_SNDCTL_DSP_SETTRIGGER: 734 /* XXX Do nothing for now. */ 735 idat = OSS_PCM_ENABLE_OUTPUT; 736 error = copyout(&idat, SCARG(uap, data), sizeof idat); 737 if (error) { 738 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 739 __func__, idat, error)); 740 goto out; 741 } 742 break; 743 #endif 744 case OSS_SNDCTL_DSP_GETIPTR: 745 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 746 if (error) { 747 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 748 __func__, error)); 749 goto out; 750 } 751 cntinfo.bytes = tmpoffs.samples; 752 cntinfo.blocks = tmpoffs.deltablks; 753 cntinfo.ptr = tmpoffs.offset; 754 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 755 if (error) { 756 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 757 __func__, error)); 758 goto out; 759 } 760 break; 761 case OSS_SNDCTL_DSP_GETOPTR: 762 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 763 if (error) { 764 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 765 __func__, error)); 766 goto out; 767 } 768 cntinfo.bytes = tmpoffs.samples; 769 cntinfo.blocks = tmpoffs.deltablks; 770 cntinfo.ptr = tmpoffs.offset; 771 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 772 if (error) { 773 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 774 __func__, error)); 775 goto out; 776 } 777 break; 778 case OSS_SNDCTL_DSP_SETDUPLEX: 779 idat = 1; 780 error = ioctlf(fp, AUDIO_SETFD, &idat); 781 if (error) { 782 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 783 __func__, idat, error)); 784 goto out; 785 } 786 break; 787 case OSS_SNDCTL_DSP_MAPINBUF: 788 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 789 __func__)); 790 error = EINVAL; 791 goto out; 792 case OSS_SNDCTL_DSP_MAPOUTBUF: 793 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 794 __func__)); 795 error = EINVAL; 796 goto out; 797 case OSS_SNDCTL_DSP_SETSYNCRO: 798 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 799 __func__)); 800 error = EINVAL; 801 goto out; 802 case OSS_SNDCTL_DSP_GETODELAY: 803 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 804 if (error) { 805 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 806 __func__, error)); 807 goto out; 808 } 809 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 810 error = copyout(&idat, SCARG(uap, data), sizeof idat); 811 if (error) { 812 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 813 __func__, error)); 814 goto out; 815 } 816 break; 817 case OSS_SNDCTL_DSP_PROFILE: 818 /* This gives just a hint to the driver, 819 * implementing it as a NOP is ok 820 */ 821 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 822 break; 823 default: 824 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 825 error = EINVAL; 826 goto out; 827 } 828 829 out: 830 fd_putfile(SCARG(uap, fd)); 831 return error; 832 } 833 834 /* If the NetBSD mixer device should have more than 32 devices 835 * some will not be available to Linux */ 836 #define NETBSD_MAXDEVS 64 837 struct audiodevinfo { 838 int done; 839 dev_t dev; 840 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 841 rdevmap[NETBSD_MAXDEVS]; 842 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 843 int enum2opaque[NETBSD_MAXDEVS]; 844 u_long devmask, recmask, stereomask; 845 u_long caps, source; 846 }; 847 848 static int 849 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 850 { 851 int i, o; 852 853 for (i = 0; i < NETBSD_MAXDEVS; i++) { 854 o = di->enum2opaque[i]; 855 if (o == opq) 856 break; 857 if (o == -1 && label != NULL && 858 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 859 di->enum2opaque[i] = opq; 860 break; 861 } 862 } 863 if (i >= NETBSD_MAXDEVS) 864 i = -1; 865 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 866 return (i); 867 } 868 869 static int 870 enum_to_ord(struct audiodevinfo *di, int enm) 871 { 872 if (enm >= NETBSD_MAXDEVS) 873 return (-1); 874 875 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 876 return (di->enum2opaque[enm]); 877 } 878 879 static int 880 enum_to_mask(struct audiodevinfo *di, int enm) 881 { 882 int m; 883 if (enm >= NETBSD_MAXDEVS) 884 return (0); 885 886 m = di->enum2opaque[enm]; 887 if (m == -1) 888 m = 0; 889 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 890 return (m); 891 } 892 893 /* 894 * Collect the audio device information to allow faster 895 * emulation of the Linux mixer ioctls. Cache the information 896 * to eliminate the overhead of repeating all the ioctls needed 897 * to collect the information. 898 */ 899 static struct audiodevinfo * 900 getdevinfo(file_t *fp) 901 { 902 mixer_devinfo_t mi; 903 int i, j, e; 904 static const struct { 905 const char *name; 906 int code; 907 } *dp, devs[] = { 908 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 909 { AudioNline, OSS_SOUND_MIXER_LINE }, 910 { AudioNcd, OSS_SOUND_MIXER_CD }, 911 { AudioNdac, OSS_SOUND_MIXER_PCM }, 912 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 913 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 914 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 915 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 916 { AudioNbass, OSS_SOUND_MIXER_BASS }, 917 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 918 /* { AudioNheadphone, ?? },*/ 919 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 920 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 921 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 922 /* { AudioNstereo, ?? },*/ 923 /* { AudioNmono, ?? },*/ 924 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 925 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 926 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 927 /* { AudioNmixerout, ?? },*/ 928 { 0, -1 } 929 }; 930 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 931 struct vnode *vp; 932 struct vattr va; 933 static struct audiodevinfo devcache; 934 struct audiodevinfo *di = &devcache; 935 int error, mlen, dlen; 936 937 /* 938 * Figure out what device it is so we can check if the 939 * cached data is valid. 940 */ 941 vp = fp->f_vnode; 942 if (vp->v_type != VCHR) 943 return 0; 944 vn_lock(vp, LK_SHARED | LK_RETRY); 945 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 946 VOP_UNLOCK(vp); 947 if (error) 948 return 0; 949 if (di->done && di->dev == va.va_rdev) 950 return di; 951 952 di->done = 1; 953 di->dev = va.va_rdev; 954 di->devmask = 0; 955 di->recmask = 0; 956 di->stereomask = 0; 957 di->source = ~0; 958 di->caps = 0; 959 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 960 di->devmap[i] = -1; 961 for(i = 0; i < NETBSD_MAXDEVS; i++) { 962 di->rdevmap[i] = -1; 963 di->names[i][0] = '\0'; 964 di->enum2opaque[i] = -1; 965 } 966 for(i = 0; i < NETBSD_MAXDEVS; i++) { 967 mi.index = i; 968 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 969 break; 970 switch(mi.type) { 971 case AUDIO_MIXER_VALUE: 972 for(dp = devs; dp->name; dp++) { 973 if (strcmp(dp->name, mi.label.name) == 0) 974 break; 975 dlen = strlen(dp->name); 976 mlen = strlen(mi.label.name); 977 if (dlen < mlen 978 && mi.label.name[mlen-dlen-1] == '.' 979 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 980 break; 981 } 982 if (dp->code >= 0) { 983 di->devmap[dp->code] = i; 984 di->rdevmap[i] = dp->code; 985 di->devmask |= 1 << dp->code; 986 if (mi.un.v.num_channels == 2) 987 di->stereomask |= 1 << dp->code; 988 strncpy(di->names[i], mi.label.name, 989 sizeof di->names[i]); 990 } 991 break; 992 } 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 if (strcmp(mi.label.name, AudioNsource) != 0) 999 continue; 1000 di->source = i; 1001 switch(mi.type) { 1002 case AUDIO_MIXER_ENUM: 1003 for(j = 0; j < mi.un.e.num_mem; j++) { 1004 e = opaque_to_enum(di, 1005 &mi.un.e.member[j].label, 1006 mi.un.e.member[j].ord); 1007 if (e >= 0) 1008 di->recmask |= 1 << di->rdevmap[e]; 1009 } 1010 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1011 break; 1012 case AUDIO_MIXER_SET: 1013 for(j = 0; j < mi.un.s.num_mem; j++) { 1014 e = opaque_to_enum(di, 1015 &mi.un.s.member[j].label, 1016 mi.un.s.member[j].mask); 1017 if (e >= 0) 1018 di->recmask |= 1 << di->rdevmap[e]; 1019 } 1020 break; 1021 } 1022 } 1023 return di; 1024 } 1025 1026 int 1027 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1028 { 1029 /* { 1030 syscallarg(int) fd; 1031 syscallarg(u_long) com; 1032 syscallarg(void *) data; 1033 } */ 1034 file_t *fp; 1035 u_long com; 1036 struct audiodevinfo *di; 1037 mixer_ctrl_t mc; 1038 struct oss_mixer_info omi; 1039 struct audio_device adev; 1040 int idat; 1041 int i; 1042 int error; 1043 int l, r, n, e; 1044 int (*ioctlf)(file_t *, u_long, void *); 1045 1046 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1047 return error; 1048 1049 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1050 error = EBADF; 1051 goto out; 1052 } 1053 1054 com = SCARG(uap, com); 1055 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1056 1057 retval[0] = 0; 1058 1059 di = getdevinfo(fp); 1060 if (di == 0) { 1061 error = EINVAL; 1062 goto out; 1063 } 1064 1065 ioctlf = fp->f_ops->fo_ioctl; 1066 switch (com) { 1067 case OSS_GET_VERSION: 1068 idat = OSS_SOUND_VERSION; 1069 break; 1070 case OSS_SOUND_MIXER_INFO: 1071 case OSS_SOUND_OLD_MIXER_INFO: 1072 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1073 if (error) { 1074 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1075 __func__, error)); 1076 goto out; 1077 } 1078 omi.modify_counter = 1; 1079 strncpy(omi.id, adev.name, sizeof omi.id); 1080 strncpy(omi.name, adev.name, sizeof omi.name); 1081 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1082 if (error) { 1083 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1084 __func__, error)); 1085 goto out; 1086 } 1087 break; 1088 case OSS_SOUND_MIXER_READ_RECSRC: 1089 if (di->source == -1) { 1090 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1091 __func__)); 1092 error = EINVAL; 1093 goto out; 1094 } 1095 mc.dev = di->source; 1096 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1097 mc.type = AUDIO_MIXER_ENUM; 1098 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1099 if (error) { 1100 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1101 __func__, error)); 1102 goto out; 1103 } 1104 e = opaque_to_enum(di, NULL, mc.un.ord); 1105 if (e >= 0) 1106 idat = 1 << di->rdevmap[e]; 1107 } else { 1108 mc.type = AUDIO_MIXER_SET; 1109 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1110 if (error) { 1111 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1112 __func__, error)); 1113 goto out; 1114 } 1115 e = opaque_to_enum(di, NULL, mc.un.mask); 1116 if (e >= 0) 1117 idat = 1 << di->rdevmap[e]; 1118 } 1119 break; 1120 case OSS_SOUND_MIXER_READ_DEVMASK: 1121 idat = di->devmask; 1122 break; 1123 case OSS_SOUND_MIXER_READ_RECMASK: 1124 idat = di->recmask; 1125 break; 1126 case OSS_SOUND_MIXER_READ_STEREODEVS: 1127 idat = di->stereomask; 1128 break; 1129 case OSS_SOUND_MIXER_READ_CAPS: 1130 idat = di->caps; 1131 break; 1132 case OSS_SOUND_MIXER_WRITE_RECSRC: 1133 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1134 if (di->source == -1) { 1135 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1136 "source\n", __func__)); 1137 error = EINVAL; 1138 goto out; 1139 } 1140 mc.dev = di->source; 1141 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1142 if (error) { 1143 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1144 __func__, error)); 1145 goto out; 1146 } 1147 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1148 mc.type = AUDIO_MIXER_ENUM; 1149 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1150 if (idat & (1 << i)) 1151 break; 1152 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1153 di->devmap[i] == -1) { 1154 error = EINVAL; 1155 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1156 "bad index %d\n", __func__, i)); 1157 goto out; 1158 } 1159 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1160 } else { 1161 mc.type = AUDIO_MIXER_SET; 1162 mc.un.mask = 0; 1163 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1164 if (idat & (1 << i)) { 1165 if (di->devmap[i] == -1) { 1166 DPRINTF(("%s: OSS_SOUND_MIXER_" 1167 "WRITE_RECSRC bad devmap " 1168 "%d\n", __func__, i)); 1169 error = EINVAL; 1170 goto out; 1171 } 1172 mc.un.mask |= enum_to_mask(di, 1173 di->devmap[i]); 1174 } 1175 } 1176 } 1177 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1178 if (error) { 1179 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1180 __func__, error)); 1181 goto out; 1182 } 1183 goto out; 1184 default: 1185 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1186 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1187 n = OSS_GET_DEV(com); 1188 if (di->devmap[n] == -1) { 1189 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1190 __func__, com, n)); 1191 error = EINVAL; 1192 goto out; 1193 } 1194 doread: 1195 mc.dev = di->devmap[n]; 1196 mc.type = AUDIO_MIXER_VALUE; 1197 mc.un.value.num_channels = di->stereomask & 1198 (1 << n) ? 2 : 1; 1199 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1200 if (error) { 1201 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1202 __func__, error)); 1203 goto out; 1204 } 1205 if (mc.un.value.num_channels != 2) { 1206 l = r = 1207 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1208 } else { 1209 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1210 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1211 } 1212 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1213 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1214 __func__, n, di->devmap[n], l, r, idat)); 1215 break; 1216 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1217 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1218 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1219 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1220 n = OSS_GET_DEV(com); 1221 if (di->devmap[n] == -1) { 1222 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1223 __func__, com, n)); 1224 error = EINVAL; 1225 goto out; 1226 } 1227 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1228 if (error) { 1229 DPRINTF(("%s: 0x%lx error %d\n", 1230 __func__, com, error)); 1231 goto out; 1232 } 1233 l = FROM_OSSVOL( idat & 0xff); 1234 r = FROM_OSSVOL((idat >> 8) & 0xff); 1235 mc.dev = di->devmap[n]; 1236 mc.type = AUDIO_MIXER_VALUE; 1237 if (di->stereomask & (1 << n)) { 1238 mc.un.value.num_channels = 2; 1239 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1240 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1241 } else { 1242 mc.un.value.num_channels = 1; 1243 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1244 (l + r) / 2; 1245 } 1246 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1247 __func__, n, di->devmap[n], l, r, idat)); 1248 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1249 if (error) { 1250 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1251 __func__, error)); 1252 goto out; 1253 } 1254 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1255 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1256 error = 0; 1257 goto out; 1258 } 1259 goto doread; 1260 } else { 1261 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1262 com)); 1263 error = EINVAL; 1264 goto out; 1265 } 1266 } 1267 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1268 out: 1269 fd_putfile(SCARG(uap, fd)); 1270 return error; 1271 } 1272 1273 /* Sequencer emulation */ 1274 int 1275 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1276 { 1277 /* { 1278 syscallarg(int) fd; 1279 syscallarg(u_long) com; 1280 syscallarg(void *) data; 1281 } */ 1282 file_t *fp; 1283 u_long com; 1284 int idat, idat1; 1285 struct synth_info si; 1286 struct oss_synth_info osi; 1287 struct oss_seq_event_rec oser; 1288 int error; 1289 int (*ioctlf)(file_t *, u_long, void *); 1290 1291 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1292 return (EBADF); 1293 1294 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1295 error = EBADF; 1296 goto out; 1297 } 1298 1299 com = SCARG(uap, com); 1300 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1301 1302 retval[0] = 0; 1303 1304 ioctlf = fp->f_ops->fo_ioctl; 1305 switch (com) { 1306 case OSS_SEQ_RESET: 1307 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1308 goto out; 1309 case OSS_SEQ_SYNC: 1310 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1311 goto out; 1312 case OSS_SYNTH_INFO: 1313 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1314 if (error) 1315 goto out; 1316 si.device = osi.device; 1317 error = ioctlf(fp, SEQUENCER_INFO, &si); 1318 if (error) 1319 goto out; 1320 strncpy(osi.name, si.name, sizeof osi.name); 1321 osi.device = si.device; 1322 switch(si.synth_type) { 1323 case SYNTH_TYPE_FM: 1324 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1325 case SYNTH_TYPE_SAMPLE: 1326 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1327 case SYNTH_TYPE_MIDI: 1328 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1329 default: 1330 osi.synth_type = 0; break; 1331 } 1332 switch(si.synth_subtype) { 1333 case SYNTH_SUB_FM_TYPE_ADLIB: 1334 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1335 case SYNTH_SUB_FM_TYPE_OPL3: 1336 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1337 case SYNTH_SUB_MIDI_TYPE_MPU401: 1338 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1339 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1340 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1341 default: 1342 osi.synth_subtype = 0; break; 1343 } 1344 osi.perc_mode = 0; 1345 osi.nr_voices = si.nr_voices; 1346 osi.nr_drums = 0; 1347 osi.instr_bank_size = si.instr_bank_size; 1348 osi.capabilities = 0; 1349 if (si.capabilities & SYNTH_CAP_OPL3) 1350 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1351 if (si.capabilities & SYNTH_CAP_INPUT) 1352 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1353 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1354 goto out; 1355 case OSS_SEQ_CTRLRATE: 1356 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1357 if (error) 1358 goto out; 1359 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1360 if (error) 1361 goto out; 1362 retval[0] = idat; 1363 break; 1364 case OSS_SEQ_GETOUTCOUNT: 1365 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1366 if (error) 1367 goto out; 1368 retval[0] = idat; 1369 break; 1370 case OSS_SEQ_GETINCOUNT: 1371 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1372 if (error) 1373 goto out; 1374 retval[0] = idat; 1375 break; 1376 case OSS_SEQ_NRSYNTHS: 1377 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1378 if (error) 1379 goto out; 1380 retval[0] = idat; 1381 break; 1382 case OSS_SEQ_NRMIDIS: 1383 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1384 if (error) 1385 goto out; 1386 retval[0] = idat; 1387 break; 1388 case OSS_SEQ_THRESHOLD: 1389 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1390 if (error) 1391 goto out; 1392 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1393 goto out; 1394 case OSS_MEMAVL: 1395 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1396 if (error) 1397 goto out; 1398 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1399 if (error) 1400 goto out; 1401 retval[0] = idat; 1402 break; 1403 case OSS_SEQ_PANIC: 1404 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1405 goto out; 1406 case OSS_SEQ_OUTOFBAND: 1407 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1408 if (error) 1409 goto out; 1410 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1411 if (error) 1412 goto out; 1413 break; 1414 case OSS_SEQ_GETTIME: 1415 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1416 if (error) 1417 goto out; 1418 retval[0] = idat; 1419 break; 1420 case OSS_TMR_TIMEBASE: 1421 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1422 if (error) 1423 goto out; 1424 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1425 if (error) 1426 goto out; 1427 retval[0] = idat; 1428 break; 1429 case OSS_TMR_START: 1430 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1431 goto out; 1432 case OSS_TMR_STOP: 1433 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1434 goto out; 1435 case OSS_TMR_CONTINUE: 1436 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1437 goto out; 1438 case OSS_TMR_TEMPO: 1439 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1440 if (error) 1441 goto out; 1442 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1443 if (error) 1444 goto out; 1445 retval[0] = idat; 1446 break; 1447 case OSS_TMR_SOURCE: 1448 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1449 if (error) 1450 goto out; 1451 idat = 0; 1452 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1453 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1454 if (error) 1455 goto out; 1456 idat1 = idat; 1457 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1458 retval[0] = idat; 1459 break; 1460 case OSS_TMR_METRONOME: 1461 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1462 if (error) 1463 goto out; 1464 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1465 goto out; 1466 case OSS_TMR_SELECT: 1467 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1468 if (error) 1469 goto out; 1470 retval[0] = idat; 1471 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1472 goto out; 1473 default: 1474 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1475 com)); 1476 error = EINVAL; 1477 goto out; 1478 } 1479 1480 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1481 out: 1482 fd_putfile(SCARG(uap, fd)); 1483 return error; 1484 } 1485 1486 /* 1487 * Check that the blocksize is a power of 2 as OSS wants. 1488 * If not, set it to be. 1489 */ 1490 static void 1491 setblocksize(file_t *fp, struct audio_info *info) 1492 { 1493 struct audio_info set; 1494 int s; 1495 1496 if (info->blocksize & (info->blocksize-1)) { 1497 for(s = 32; s < info->blocksize; s <<= 1) 1498 ; 1499 AUDIO_INITINFO(&set); 1500 set.blocksize = s; 1501 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1502 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1503 } 1504 } 1505
Indexes created Thu Sep 25 16:09:42 GMT 2025