ossaudio.c revision 1.73
1 /* $NetBSD: ossaudio.c,v 1.73 2019/02/02 05:02:03 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 1.73 2019/02/02 05:02:03 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: SNDCTL_DSP_SETFRAGMENT %d\n", 513 __func__, error)); 514 goto out; 515 } 516 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 517 DPRINTF(("%s: SNDCTL_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 = 646 tmpinfo.record.buffer_size / tmpinfo.blocksize; 647 bufinfo.bytes = tmpinfo.record.seek; 648 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 649 if (error) { 650 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 651 __func__, bufinfo.fragsize, bufinfo.fragments, 652 bufinfo.fragstotal, bufinfo.bytes, error)); 653 goto out; 654 } 655 break; 656 case OSS_SNDCTL_DSP_NONBLOCK: 657 idat = 1; 658 error = ioctlf(fp, FIONBIO, &idat); 659 if (error) { 660 DPRINTF(("%s: FIONBIO %d\n", 661 __func__, error)); 662 goto out; 663 } 664 break; 665 case OSS_SNDCTL_DSP_GETCAPS: 666 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 667 if (error) { 668 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 669 __func__, error)); 670 goto out; 671 } 672 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 673 if (idata & AUDIO_PROP_FULLDUPLEX) 674 idat |= OSS_DSP_CAP_DUPLEX; 675 if (idata & AUDIO_PROP_MMAP) 676 idat |= OSS_DSP_CAP_MMAP; 677 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 678 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 679 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 680 error = copyout(&idat, SCARG(uap, data), sizeof idat); 681 if (error) { 682 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 683 idat, error)); 684 goto out; 685 } 686 break; 687 #if 0 688 case OSS_SNDCTL_DSP_GETTRIGGER: 689 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 690 if (error) { 691 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 692 __func__, error)); 693 goto out; 694 } 695 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 696 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 697 error = copyout(&idat, SCARG(uap, data), sizeof idat); 698 if (error) { 699 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 700 __func__, idat, error)); 701 goto out; 702 } 703 break; 704 case OSS_SNDCTL_DSP_SETTRIGGER: 705 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 706 if (error) { 707 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 708 __func__, error)); 709 goto out; 710 } 711 error = copyin(SCARG(uap, data), &idat, sizeof idat); 712 if (error) { 713 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 714 __func__, error)); 715 goto out; 716 } 717 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 718 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 719 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 720 if (error) { 721 DPRINTF(("%s: AUDIO_SETINFO %d\n", 722 __func__, error)); 723 goto out; 724 } 725 error = copyout(&idat, SCARG(uap, data), sizeof idat); 726 if (error) { 727 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 728 __func__, idat, error)); 729 goto out; 730 } 731 break; 732 #else 733 case OSS_SNDCTL_DSP_GETTRIGGER: 734 case OSS_SNDCTL_DSP_SETTRIGGER: 735 /* XXX Do nothing for now. */ 736 idat = OSS_PCM_ENABLE_OUTPUT; 737 error = copyout(&idat, SCARG(uap, data), sizeof idat); 738 if (error) { 739 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 740 __func__, idat, error)); 741 goto out; 742 } 743 break; 744 #endif 745 case OSS_SNDCTL_DSP_GETIPTR: 746 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 747 if (error) { 748 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 749 __func__, error)); 750 goto out; 751 } 752 cntinfo.bytes = tmpoffs.samples; 753 cntinfo.blocks = tmpoffs.deltablks; 754 cntinfo.ptr = tmpoffs.offset; 755 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 756 if (error) { 757 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 758 __func__, error)); 759 goto out; 760 } 761 break; 762 case OSS_SNDCTL_DSP_GETOPTR: 763 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 764 if (error) { 765 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 766 __func__, error)); 767 goto out; 768 } 769 cntinfo.bytes = tmpoffs.samples; 770 cntinfo.blocks = tmpoffs.deltablks; 771 cntinfo.ptr = tmpoffs.offset; 772 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 773 if (error) { 774 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 775 __func__, error)); 776 goto out; 777 } 778 break; 779 case OSS_SNDCTL_DSP_SETDUPLEX: 780 idat = 1; 781 error = ioctlf(fp, AUDIO_SETFD, &idat); 782 if (error) { 783 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 784 __func__, idat, error)); 785 goto out; 786 } 787 break; 788 case OSS_SNDCTL_DSP_MAPINBUF: 789 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 790 __func__)); 791 error = EINVAL; 792 goto out; 793 case OSS_SNDCTL_DSP_MAPOUTBUF: 794 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 795 __func__)); 796 error = EINVAL; 797 goto out; 798 case OSS_SNDCTL_DSP_SETSYNCRO: 799 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 800 __func__)); 801 error = EINVAL; 802 goto out; 803 case OSS_SNDCTL_DSP_GETODELAY: 804 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 805 if (error) { 806 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 807 __func__, error)); 808 goto out; 809 } 810 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 811 error = copyout(&idat, SCARG(uap, data), sizeof idat); 812 if (error) { 813 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 814 __func__, error)); 815 goto out; 816 } 817 break; 818 case OSS_SNDCTL_DSP_PROFILE: 819 /* This gives just a hint to the driver, 820 * implementing it as a NOP is ok 821 */ 822 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 823 break; 824 default: 825 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 826 error = EINVAL; 827 goto out; 828 } 829 830 out: 831 fd_putfile(SCARG(uap, fd)); 832 return error; 833 } 834 835 /* If the NetBSD mixer device should have more than 32 devices 836 * some will not be available to Linux */ 837 #define NETBSD_MAXDEVS 64 838 struct audiodevinfo { 839 int done; 840 dev_t dev; 841 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 842 rdevmap[NETBSD_MAXDEVS]; 843 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 844 int enum2opaque[NETBSD_MAXDEVS]; 845 u_long devmask, recmask, stereomask; 846 u_long caps, source; 847 }; 848 849 static int 850 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 851 { 852 int i, o; 853 854 for (i = 0; i < NETBSD_MAXDEVS; i++) { 855 o = di->enum2opaque[i]; 856 if (o == opq) 857 break; 858 if (o == -1 && label != NULL && 859 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 860 di->enum2opaque[i] = opq; 861 break; 862 } 863 } 864 if (i >= NETBSD_MAXDEVS) 865 i = -1; 866 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 867 return (i); 868 } 869 870 static int 871 enum_to_ord(struct audiodevinfo *di, int enm) 872 { 873 if (enm >= NETBSD_MAXDEVS) 874 return (-1); 875 876 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 877 return (di->enum2opaque[enm]); 878 } 879 880 static int 881 enum_to_mask(struct audiodevinfo *di, int enm) 882 { 883 int m; 884 if (enm >= NETBSD_MAXDEVS) 885 return (0); 886 887 m = di->enum2opaque[enm]; 888 if (m == -1) 889 m = 0; 890 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 891 return (m); 892 } 893 894 /* 895 * Collect the audio device information to allow faster 896 * emulation of the Linux mixer ioctls. Cache the information 897 * to eliminate the overhead of repeating all the ioctls needed 898 * to collect the information. 899 */ 900 static struct audiodevinfo * 901 getdevinfo(file_t *fp) 902 { 903 mixer_devinfo_t mi; 904 int i, j, e; 905 static const struct { 906 const char *name; 907 int code; 908 } *dp, devs[] = { 909 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 910 { AudioNline, OSS_SOUND_MIXER_LINE }, 911 { AudioNcd, OSS_SOUND_MIXER_CD }, 912 { AudioNdac, OSS_SOUND_MIXER_PCM }, 913 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 914 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 915 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 916 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 917 { AudioNbass, OSS_SOUND_MIXER_BASS }, 918 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 919 /* { AudioNheadphone, ?? },*/ 920 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 921 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 922 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 923 /* { AudioNstereo, ?? },*/ 924 /* { AudioNmono, ?? },*/ 925 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 926 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 927 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 928 /* { AudioNmixerout, ?? },*/ 929 { 0, -1 } 930 }; 931 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 932 struct vnode *vp; 933 struct vattr va; 934 static struct audiodevinfo devcache; 935 struct audiodevinfo *di = &devcache; 936 int error, mlen, dlen; 937 938 /* 939 * Figure out what device it is so we can check if the 940 * cached data is valid. 941 */ 942 vp = fp->f_vnode; 943 if (vp->v_type != VCHR) 944 return 0; 945 vn_lock(vp, LK_SHARED | LK_RETRY); 946 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 947 VOP_UNLOCK(vp); 948 if (error) 949 return 0; 950 if (di->done && di->dev == va.va_rdev) 951 return di; 952 953 di->done = 1; 954 di->dev = va.va_rdev; 955 di->devmask = 0; 956 di->recmask = 0; 957 di->stereomask = 0; 958 di->source = ~0; 959 di->caps = 0; 960 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 961 di->devmap[i] = -1; 962 for(i = 0; i < NETBSD_MAXDEVS; i++) { 963 di->rdevmap[i] = -1; 964 di->names[i][0] = '\0'; 965 di->enum2opaque[i] = -1; 966 } 967 for(i = 0; i < NETBSD_MAXDEVS; i++) { 968 mi.index = i; 969 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 970 break; 971 switch(mi.type) { 972 case AUDIO_MIXER_VALUE: 973 for(dp = devs; dp->name; dp++) { 974 if (strcmp(dp->name, mi.label.name) == 0) 975 break; 976 dlen = strlen(dp->name); 977 mlen = strlen(mi.label.name); 978 if (dlen < mlen 979 && mi.label.name[mlen-dlen-1] == '.' 980 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 981 break; 982 } 983 if (dp->code >= 0) { 984 di->devmap[dp->code] = i; 985 di->rdevmap[i] = dp->code; 986 di->devmask |= 1 << dp->code; 987 if (mi.un.v.num_channels == 2) 988 di->stereomask |= 1 << dp->code; 989 strncpy(di->names[i], mi.label.name, 990 sizeof di->names[i]); 991 } 992 break; 993 } 994 } 995 for(i = 0; i < NETBSD_MAXDEVS; i++) { 996 mi.index = i; 997 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 998 break; 999 if (strcmp(mi.label.name, AudioNsource) != 0) 1000 continue; 1001 di->source = i; 1002 switch(mi.type) { 1003 case AUDIO_MIXER_ENUM: 1004 for(j = 0; j < mi.un.e.num_mem; j++) { 1005 e = opaque_to_enum(di, 1006 &mi.un.e.member[j].label, 1007 mi.un.e.member[j].ord); 1008 if (e >= 0) 1009 di->recmask |= 1 << di->rdevmap[e]; 1010 } 1011 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1012 break; 1013 case AUDIO_MIXER_SET: 1014 for(j = 0; j < mi.un.s.num_mem; j++) { 1015 e = opaque_to_enum(di, 1016 &mi.un.s.member[j].label, 1017 mi.un.s.member[j].mask); 1018 if (e >= 0) 1019 di->recmask |= 1 << di->rdevmap[e]; 1020 } 1021 break; 1022 } 1023 } 1024 return di; 1025 } 1026 1027 int 1028 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1029 { 1030 /* { 1031 syscallarg(int) fd; 1032 syscallarg(u_long) com; 1033 syscallarg(void *) data; 1034 } */ 1035 file_t *fp; 1036 u_long com; 1037 struct audiodevinfo *di; 1038 mixer_ctrl_t mc; 1039 struct oss_mixer_info omi; 1040 struct audio_device adev; 1041 int idat; 1042 int i; 1043 int error; 1044 int l, r, n, e; 1045 int (*ioctlf)(file_t *, u_long, void *); 1046 1047 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1048 return error; 1049 1050 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1051 error = EBADF; 1052 goto out; 1053 } 1054 1055 com = SCARG(uap, com); 1056 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1057 1058 retval[0] = 0; 1059 1060 di = getdevinfo(fp); 1061 if (di == 0) { 1062 error = EINVAL; 1063 goto out; 1064 } 1065 1066 ioctlf = fp->f_ops->fo_ioctl; 1067 switch (com) { 1068 case OSS_GET_VERSION: 1069 idat = OSS_SOUND_VERSION; 1070 break; 1071 case OSS_SOUND_MIXER_INFO: 1072 case OSS_SOUND_OLD_MIXER_INFO: 1073 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1074 if (error) { 1075 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1076 __func__, error)); 1077 goto out; 1078 } 1079 omi.modify_counter = 1; 1080 strncpy(omi.id, adev.name, sizeof omi.id); 1081 strncpy(omi.name, adev.name, sizeof omi.name); 1082 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1083 if (error) { 1084 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1085 __func__, error)); 1086 goto out; 1087 } 1088 break; 1089 case OSS_SOUND_MIXER_READ_RECSRC: 1090 if (di->source == -1) { 1091 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1092 __func__)); 1093 error = EINVAL; 1094 goto out; 1095 } 1096 mc.dev = di->source; 1097 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1098 mc.type = AUDIO_MIXER_ENUM; 1099 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1100 if (error) { 1101 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1102 __func__, error)); 1103 goto out; 1104 } 1105 e = opaque_to_enum(di, NULL, mc.un.ord); 1106 if (e >= 0) 1107 idat = 1 << di->rdevmap[e]; 1108 } else { 1109 mc.type = AUDIO_MIXER_SET; 1110 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1111 if (error) { 1112 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1113 __func__, error)); 1114 goto out; 1115 } 1116 e = opaque_to_enum(di, NULL, mc.un.mask); 1117 if (e >= 0) 1118 idat = 1 << di->rdevmap[e]; 1119 } 1120 break; 1121 case OSS_SOUND_MIXER_READ_DEVMASK: 1122 idat = di->devmask; 1123 break; 1124 case OSS_SOUND_MIXER_READ_RECMASK: 1125 idat = di->recmask; 1126 break; 1127 case OSS_SOUND_MIXER_READ_STEREODEVS: 1128 idat = di->stereomask; 1129 break; 1130 case OSS_SOUND_MIXER_READ_CAPS: 1131 idat = di->caps; 1132 break; 1133 case OSS_SOUND_MIXER_WRITE_RECSRC: 1134 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1135 if (di->source == -1) { 1136 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1137 "source\n", __func__)); 1138 error = EINVAL; 1139 goto out; 1140 } 1141 mc.dev = di->source; 1142 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1143 if (error) { 1144 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1145 __func__, error)); 1146 goto out; 1147 } 1148 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1149 mc.type = AUDIO_MIXER_ENUM; 1150 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1151 if (idat & (1 << i)) 1152 break; 1153 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1154 di->devmap[i] == -1) { 1155 error = EINVAL; 1156 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1157 "bad index %d\n", __func__, i)); 1158 goto out; 1159 } 1160 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1161 } else { 1162 mc.type = AUDIO_MIXER_SET; 1163 mc.un.mask = 0; 1164 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1165 if (idat & (1 << i)) { 1166 if (di->devmap[i] == -1) { 1167 DPRINTF(("%s: OSS_SOUND_MIXER_" 1168 "WRITE_RECSRC bad devmap " 1169 "%d\n", __func__, i)); 1170 error = EINVAL; 1171 goto out; 1172 } 1173 mc.un.mask |= enum_to_mask(di, 1174 di->devmap[i]); 1175 } 1176 } 1177 } 1178 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1179 if (error) { 1180 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1181 __func__, error)); 1182 goto out; 1183 } 1184 goto out; 1185 default: 1186 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1187 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1188 n = OSS_GET_DEV(com); 1189 if (di->devmap[n] == -1) { 1190 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1191 __func__, com, n)); 1192 error = EINVAL; 1193 goto out; 1194 } 1195 doread: 1196 mc.dev = di->devmap[n]; 1197 mc.type = AUDIO_MIXER_VALUE; 1198 mc.un.value.num_channels = di->stereomask & 1199 (1 << n) ? 2 : 1; 1200 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1201 if (error) { 1202 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1203 __func__, error)); 1204 goto out; 1205 } 1206 if (mc.un.value.num_channels != 2) { 1207 l = r = 1208 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1209 } else { 1210 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1211 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1212 } 1213 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1214 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1215 __func__, n, di->devmap[n], l, r, idat)); 1216 break; 1217 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1218 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1219 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1220 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1221 n = OSS_GET_DEV(com); 1222 if (di->devmap[n] == -1) { 1223 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1224 __func__, com, n)); 1225 error = EINVAL; 1226 goto out; 1227 } 1228 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1229 if (error) { 1230 DPRINTF(("%s: 0x%lx error %d\n", 1231 __func__, com, error)); 1232 goto out; 1233 } 1234 l = FROM_OSSVOL( idat & 0xff); 1235 r = FROM_OSSVOL((idat >> 8) & 0xff); 1236 mc.dev = di->devmap[n]; 1237 mc.type = AUDIO_MIXER_VALUE; 1238 if (di->stereomask & (1 << n)) { 1239 mc.un.value.num_channels = 2; 1240 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1241 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1242 } else { 1243 mc.un.value.num_channels = 1; 1244 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1245 (l + r) / 2; 1246 } 1247 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1248 __func__, n, di->devmap[n], l, r, idat)); 1249 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1250 if (error) { 1251 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1252 __func__, error)); 1253 goto out; 1254 } 1255 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1256 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1257 error = 0; 1258 goto out; 1259 } 1260 goto doread; 1261 } else { 1262 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1263 com)); 1264 error = EINVAL; 1265 goto out; 1266 } 1267 } 1268 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1269 out: 1270 fd_putfile(SCARG(uap, fd)); 1271 return error; 1272 } 1273 1274 /* Sequencer emulation */ 1275 int 1276 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1277 { 1278 /* { 1279 syscallarg(int) fd; 1280 syscallarg(u_long) com; 1281 syscallarg(void *) data; 1282 } */ 1283 file_t *fp; 1284 u_long com; 1285 int idat, idat1; 1286 struct synth_info si; 1287 struct oss_synth_info osi; 1288 struct oss_seq_event_rec oser; 1289 int error; 1290 int (*ioctlf)(file_t *, u_long, void *); 1291 1292 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1293 return (EBADF); 1294 1295 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1296 error = EBADF; 1297 goto out; 1298 } 1299 1300 com = SCARG(uap, com); 1301 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1302 1303 retval[0] = 0; 1304 1305 ioctlf = fp->f_ops->fo_ioctl; 1306 switch (com) { 1307 case OSS_SEQ_RESET: 1308 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1309 goto out; 1310 case OSS_SEQ_SYNC: 1311 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1312 goto out; 1313 case OSS_SYNTH_INFO: 1314 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1315 if (error) 1316 goto out; 1317 si.device = osi.device; 1318 error = ioctlf(fp, SEQUENCER_INFO, &si); 1319 if (error) 1320 goto out; 1321 strncpy(osi.name, si.name, sizeof osi.name); 1322 osi.device = si.device; 1323 switch(si.synth_type) { 1324 case SYNTH_TYPE_FM: 1325 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1326 case SYNTH_TYPE_SAMPLE: 1327 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1328 case SYNTH_TYPE_MIDI: 1329 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1330 default: 1331 osi.synth_type = 0; break; 1332 } 1333 switch(si.synth_subtype) { 1334 case SYNTH_SUB_FM_TYPE_ADLIB: 1335 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1336 case SYNTH_SUB_FM_TYPE_OPL3: 1337 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1338 case SYNTH_SUB_MIDI_TYPE_MPU401: 1339 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1340 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1341 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1342 default: 1343 osi.synth_subtype = 0; break; 1344 } 1345 osi.perc_mode = 0; 1346 osi.nr_voices = si.nr_voices; 1347 osi.nr_drums = 0; 1348 osi.instr_bank_size = si.instr_bank_size; 1349 osi.capabilities = 0; 1350 if (si.capabilities & SYNTH_CAP_OPL3) 1351 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1352 if (si.capabilities & SYNTH_CAP_INPUT) 1353 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1354 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1355 goto out; 1356 case OSS_SEQ_CTRLRATE: 1357 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1358 if (error) 1359 goto out; 1360 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1361 if (error) 1362 goto out; 1363 retval[0] = idat; 1364 break; 1365 case OSS_SEQ_GETOUTCOUNT: 1366 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1367 if (error) 1368 goto out; 1369 retval[0] = idat; 1370 break; 1371 case OSS_SEQ_GETINCOUNT: 1372 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1373 if (error) 1374 goto out; 1375 retval[0] = idat; 1376 break; 1377 case OSS_SEQ_NRSYNTHS: 1378 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1379 if (error) 1380 goto out; 1381 retval[0] = idat; 1382 break; 1383 case OSS_SEQ_NRMIDIS: 1384 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1385 if (error) 1386 goto out; 1387 retval[0] = idat; 1388 break; 1389 case OSS_SEQ_THRESHOLD: 1390 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1391 if (error) 1392 goto out; 1393 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1394 goto out; 1395 case OSS_MEMAVL: 1396 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1397 if (error) 1398 goto out; 1399 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1400 if (error) 1401 goto out; 1402 retval[0] = idat; 1403 break; 1404 case OSS_SEQ_PANIC: 1405 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1406 goto out; 1407 case OSS_SEQ_OUTOFBAND: 1408 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1409 if (error) 1410 goto out; 1411 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1412 if (error) 1413 goto out; 1414 break; 1415 case OSS_SEQ_GETTIME: 1416 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1417 if (error) 1418 goto out; 1419 retval[0] = idat; 1420 break; 1421 case OSS_TMR_TIMEBASE: 1422 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1423 if (error) 1424 goto out; 1425 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1426 if (error) 1427 goto out; 1428 retval[0] = idat; 1429 break; 1430 case OSS_TMR_START: 1431 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1432 goto out; 1433 case OSS_TMR_STOP: 1434 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1435 goto out; 1436 case OSS_TMR_CONTINUE: 1437 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1438 goto out; 1439 case OSS_TMR_TEMPO: 1440 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1441 if (error) 1442 goto out; 1443 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1444 if (error) 1445 goto out; 1446 retval[0] = idat; 1447 break; 1448 case OSS_TMR_SOURCE: 1449 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1450 if (error) 1451 goto out; 1452 idat = 0; 1453 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1454 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1455 if (error) 1456 goto out; 1457 idat1 = idat; 1458 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1459 retval[0] = idat; 1460 break; 1461 case OSS_TMR_METRONOME: 1462 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1463 if (error) 1464 goto out; 1465 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1466 goto out; 1467 case OSS_TMR_SELECT: 1468 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1469 if (error) 1470 goto out; 1471 retval[0] = idat; 1472 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1473 goto out; 1474 default: 1475 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1476 com)); 1477 error = EINVAL; 1478 goto out; 1479 } 1480 1481 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1482 out: 1483 fd_putfile(SCARG(uap, fd)); 1484 return error; 1485 } 1486 1487 /* 1488 * Check that the blocksize is a power of 2 as OSS wants. 1489 * If not, set it to be. 1490 */ 1491 static void 1492 setblocksize(file_t *fp, struct audio_info *info) 1493 { 1494 struct audio_info set; 1495 int s; 1496 1497 if (info->blocksize & (info->blocksize-1)) { 1498 for(s = 32; s < info->blocksize; s <<= 1) 1499 ; 1500 AUDIO_INITINFO(&set); 1501 set.blocksize = s; 1502 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1503 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1504 } 1505 } 1506
Indexes created Tue Sep 23 14:10:03 GMT 2025