ossaudio.c revision 1.67
1 /* $NetBSD: ossaudio.c,v 1.67 2011/10/14 09:23:29 hannken 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 1.67 2011/10/14 09:23:29 hannken 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_MISC, 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.hiwat - 645 (tmpinfo.record.seek + tmpinfo.blocksize - 1) / 646 tmpinfo.blocksize; 647 bufinfo.fragstotal = tmpinfo.hiwat; 648 bufinfo.bytes = 649 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.record.seek; 650 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 651 if (error) { 652 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 653 __func__, bufinfo.fragsize, bufinfo.fragments, 654 bufinfo.fragstotal, bufinfo.bytes, error)); 655 goto out; 656 } 657 break; 658 case OSS_SNDCTL_DSP_NONBLOCK: 659 idat = 1; 660 error = ioctlf(fp, FIONBIO, &idat); 661 if (error) { 662 DPRINTF(("%s: SENDCLT_DSP_NONBLOCK %d\n", 663 __func__, error)); 664 goto out; 665 } 666 break; 667 case OSS_SNDCTL_DSP_GETCAPS: 668 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 669 if (error) { 670 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 671 __func__, error)); 672 goto out; 673 } 674 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 675 if (idata & AUDIO_PROP_FULLDUPLEX) 676 idat |= OSS_DSP_CAP_DUPLEX; 677 if (idata & AUDIO_PROP_MMAP) 678 idat |= OSS_DSP_CAP_MMAP; 679 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 680 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 681 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 682 error = copyout(&idat, SCARG(uap, data), sizeof idat); 683 if (error) { 684 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 685 idat, error)); 686 goto out; 687 } 688 break; 689 #if 0 690 case OSS_SNDCTL_DSP_GETTRIGGER: 691 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 692 if (error) { 693 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 694 __func__, error)); 695 goto out; 696 } 697 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 698 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 699 error = copyout(&idat, SCARG(uap, data), sizeof idat); 700 if (error) { 701 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 702 __func__, idat, error)); 703 goto out; 704 } 705 break; 706 case OSS_SNDCTL_DSP_SETTRIGGER: 707 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 708 if (error) { 709 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 710 __func__, error)); 711 goto out; 712 } 713 error = copyin(SCARG(uap, data), &idat, sizeof idat); 714 if (error) { 715 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 716 __func__, error)); 717 goto out; 718 } 719 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 720 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 721 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 722 if (error) { 723 DPRINTF(("%s: AUDIO_SETINFO %d\n", 724 __func__, error)); 725 goto out; 726 } 727 error = copyout(&idat, SCARG(uap, data), sizeof idat); 728 if (error) { 729 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 730 __func__, idat, error)); 731 goto out; 732 } 733 break; 734 #else 735 case OSS_SNDCTL_DSP_GETTRIGGER: 736 case OSS_SNDCTL_DSP_SETTRIGGER: 737 /* XXX Do nothing for now. */ 738 idat = OSS_PCM_ENABLE_OUTPUT; 739 error = copyout(&idat, SCARG(uap, data), sizeof idat); 740 if (error) { 741 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 742 __func__, idat, error)); 743 goto out; 744 } 745 break; 746 #endif 747 case OSS_SNDCTL_DSP_GETIPTR: 748 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 749 if (error) { 750 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 751 __func__, error)); 752 goto out; 753 } 754 cntinfo.bytes = tmpoffs.samples; 755 cntinfo.blocks = tmpoffs.deltablks; 756 cntinfo.ptr = tmpoffs.offset; 757 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 758 if (error) { 759 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 760 __func__, error)); 761 goto out; 762 } 763 break; 764 case OSS_SNDCTL_DSP_GETOPTR: 765 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 766 if (error) { 767 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 768 __func__, error)); 769 goto out; 770 } 771 cntinfo.bytes = tmpoffs.samples; 772 cntinfo.blocks = tmpoffs.deltablks; 773 cntinfo.ptr = tmpoffs.offset; 774 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 775 if (error) { 776 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 777 __func__, error)); 778 goto out; 779 } 780 break; 781 case OSS_SNDCTL_DSP_SETDUPLEX: 782 idat = 1; 783 error = ioctlf(fp, AUDIO_SETFD, &idat); 784 if (error) { 785 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 786 __func__, idat, error)); 787 goto out; 788 } 789 break; 790 case OSS_SNDCTL_DSP_MAPINBUF: 791 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 792 __func__)); 793 error = EINVAL; 794 goto out; 795 case OSS_SNDCTL_DSP_MAPOUTBUF: 796 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 797 __func__)); 798 error = EINVAL; 799 goto out; 800 case OSS_SNDCTL_DSP_SETSYNCRO: 801 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 802 __func__)); 803 error = EINVAL; 804 goto out; 805 case OSS_SNDCTL_DSP_GETODELAY: 806 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 807 if (error) { 808 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 809 __func__, error)); 810 goto out; 811 } 812 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 813 error = copyout(&idat, SCARG(uap, data), sizeof idat); 814 if (error) { 815 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 816 __func__, error)); 817 goto out; 818 } 819 break; 820 case OSS_SNDCTL_DSP_PROFILE: 821 /* This gives just a hint to the driver, 822 * implementing it as a NOP is ok 823 */ 824 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 825 break; 826 default: 827 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 828 error = EINVAL; 829 goto out; 830 } 831 832 out: 833 fd_putfile(SCARG(uap, fd)); 834 return error; 835 } 836 837 /* If the NetBSD mixer device should have more than 32 devices 838 * some will not be available to Linux */ 839 #define NETBSD_MAXDEVS 64 840 struct audiodevinfo { 841 int done; 842 dev_t dev; 843 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 844 rdevmap[NETBSD_MAXDEVS]; 845 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 846 int enum2opaque[NETBSD_MAXDEVS]; 847 u_long devmask, recmask, stereomask; 848 u_long caps, source; 849 }; 850 851 static int 852 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 853 { 854 int i, o; 855 856 for (i = 0; i < NETBSD_MAXDEVS; i++) { 857 o = di->enum2opaque[i]; 858 if (o == opq) 859 break; 860 if (o == -1 && label != NULL && 861 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 862 di->enum2opaque[i] = opq; 863 break; 864 } 865 } 866 if (i >= NETBSD_MAXDEVS) 867 i = -1; 868 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 869 return (i); 870 } 871 872 static int 873 enum_to_ord(struct audiodevinfo *di, int enm) 874 { 875 if (enm >= NETBSD_MAXDEVS) 876 return (-1); 877 878 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 879 return (di->enum2opaque[enm]); 880 } 881 882 static int 883 enum_to_mask(struct audiodevinfo *di, int enm) 884 { 885 int m; 886 if (enm >= NETBSD_MAXDEVS) 887 return (0); 888 889 m = di->enum2opaque[enm]; 890 if (m == -1) 891 m = 0; 892 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 893 return (m); 894 } 895 896 /* 897 * Collect the audio device information to allow faster 898 * emulation of the Linux mixer ioctls. Cache the information 899 * to eliminate the overhead of repeating all the ioctls needed 900 * to collect the information. 901 */ 902 static struct audiodevinfo * 903 getdevinfo(file_t *fp) 904 { 905 mixer_devinfo_t mi; 906 int i, j, e; 907 static const struct { 908 const char *name; 909 int code; 910 } *dp, devs[] = { 911 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 912 { AudioNline, OSS_SOUND_MIXER_LINE }, 913 { AudioNcd, OSS_SOUND_MIXER_CD }, 914 { AudioNdac, OSS_SOUND_MIXER_PCM }, 915 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 916 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 917 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 918 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 919 { AudioNbass, OSS_SOUND_MIXER_BASS }, 920 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 921 /* { AudioNheadphone, ?? },*/ 922 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 923 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 924 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 925 /* { AudioNstereo, ?? },*/ 926 /* { AudioNmono, ?? },*/ 927 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 928 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 929 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 930 /* { AudioNmixerout, ?? },*/ 931 { 0, -1 } 932 }; 933 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 934 struct vnode *vp; 935 struct vattr va; 936 static struct audiodevinfo devcache; 937 struct audiodevinfo *di = &devcache; 938 int error, mlen, dlen; 939 940 /* 941 * Figure out what device it is so we can check if the 942 * cached data is valid. 943 */ 944 vp = fp->f_data; 945 if (vp->v_type != VCHR) 946 return 0; 947 vn_lock(vp, LK_SHARED | LK_RETRY); 948 error = VOP_GETATTR(vp, &va, kauth_cred_get()); 949 VOP_UNLOCK(vp); 950 if (error) 951 return 0; 952 if (di->done && di->dev == va.va_rdev) 953 return di; 954 955 di->done = 1; 956 di->dev = va.va_rdev; 957 di->devmask = 0; 958 di->recmask = 0; 959 di->stereomask = 0; 960 di->source = ~0; 961 di->caps = 0; 962 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 963 di->devmap[i] = -1; 964 for(i = 0; i < NETBSD_MAXDEVS; i++) { 965 di->rdevmap[i] = -1; 966 di->names[i][0] = '\0'; 967 di->enum2opaque[i] = -1; 968 } 969 for(i = 0; i < NETBSD_MAXDEVS; i++) { 970 mi.index = i; 971 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 972 break; 973 switch(mi.type) { 974 case AUDIO_MIXER_VALUE: 975 for(dp = devs; dp->name; dp++) { 976 if (strcmp(dp->name, mi.label.name) == 0) 977 break; 978 dlen = strlen(dp->name); 979 mlen = strlen(mi.label.name); 980 if (dlen < mlen 981 && mi.label.name[mlen-dlen-1] == '.' 982 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 983 break; 984 } 985 if (dp->code >= 0) { 986 di->devmap[dp->code] = i; 987 di->rdevmap[i] = dp->code; 988 di->devmask |= 1 << dp->code; 989 if (mi.un.v.num_channels == 2) 990 di->stereomask |= 1 << dp->code; 991 strncpy(di->names[i], mi.label.name, 992 sizeof di->names[i]); 993 } 994 break; 995 } 996 } 997 for(i = 0; i < NETBSD_MAXDEVS; i++) { 998 mi.index = i; 999 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 1000 break; 1001 if (strcmp(mi.label.name, AudioNsource) != 0) 1002 continue; 1003 di->source = i; 1004 switch(mi.type) { 1005 case AUDIO_MIXER_ENUM: 1006 for(j = 0; j < mi.un.e.num_mem; j++) { 1007 e = opaque_to_enum(di, 1008 &mi.un.e.member[j].label, 1009 mi.un.e.member[j].ord); 1010 if (e >= 0) 1011 di->recmask |= 1 << di->rdevmap[e]; 1012 } 1013 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 1014 break; 1015 case AUDIO_MIXER_SET: 1016 for(j = 0; j < mi.un.s.num_mem; j++) { 1017 e = opaque_to_enum(di, 1018 &mi.un.s.member[j].label, 1019 mi.un.s.member[j].mask); 1020 if (e >= 0) 1021 di->recmask |= 1 << di->rdevmap[e]; 1022 } 1023 break; 1024 } 1025 } 1026 return di; 1027 } 1028 1029 int 1030 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1031 { 1032 /* { 1033 syscallarg(int) fd; 1034 syscallarg(u_long) com; 1035 syscallarg(void *) data; 1036 } */ 1037 file_t *fp; 1038 u_long com; 1039 struct audiodevinfo *di; 1040 mixer_ctrl_t mc; 1041 struct oss_mixer_info omi; 1042 struct audio_device adev; 1043 int idat; 1044 int i; 1045 int error; 1046 int l, r, n, e; 1047 int (*ioctlf)(file_t *, u_long, void *); 1048 1049 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1050 return (EBADF); 1051 1052 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1053 error = EBADF; 1054 goto out; 1055 } 1056 1057 com = SCARG(uap, com); 1058 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1059 1060 retval[0] = 0; 1061 1062 di = getdevinfo(fp); 1063 if (di == 0) { 1064 error = EINVAL; 1065 goto out; 1066 } 1067 1068 ioctlf = fp->f_ops->fo_ioctl; 1069 switch (com) { 1070 case OSS_GET_VERSION: 1071 idat = OSS_SOUND_VERSION; 1072 break; 1073 case OSS_SOUND_MIXER_INFO: 1074 case OSS_SOUND_OLD_MIXER_INFO: 1075 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1076 if (error) { 1077 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1078 __func__, error)); 1079 goto out; 1080 } 1081 omi.modify_counter = 1; 1082 strncpy(omi.id, adev.name, sizeof omi.id); 1083 strncpy(omi.name, adev.name, sizeof omi.name); 1084 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1085 if (error) { 1086 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1087 __func__, error)); 1088 goto out; 1089 } 1090 break; 1091 case OSS_SOUND_MIXER_READ_RECSRC: 1092 if (di->source == -1) { 1093 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1094 __func__)); 1095 error = EINVAL; 1096 goto out; 1097 } 1098 mc.dev = di->source; 1099 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1100 mc.type = AUDIO_MIXER_ENUM; 1101 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1102 if (error) { 1103 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1104 __func__, error)); 1105 goto out; 1106 } 1107 e = opaque_to_enum(di, NULL, mc.un.ord); 1108 if (e >= 0) 1109 idat = 1 << di->rdevmap[e]; 1110 } else { 1111 mc.type = AUDIO_MIXER_SET; 1112 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1113 if (error) { 1114 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1115 __func__, error)); 1116 goto out; 1117 } 1118 e = opaque_to_enum(di, NULL, mc.un.mask); 1119 if (e >= 0) 1120 idat = 1 << di->rdevmap[e]; 1121 } 1122 break; 1123 case OSS_SOUND_MIXER_READ_DEVMASK: 1124 idat = di->devmask; 1125 break; 1126 case OSS_SOUND_MIXER_READ_RECMASK: 1127 idat = di->recmask; 1128 break; 1129 case OSS_SOUND_MIXER_READ_STEREODEVS: 1130 idat = di->stereomask; 1131 break; 1132 case OSS_SOUND_MIXER_READ_CAPS: 1133 idat = di->caps; 1134 break; 1135 case OSS_SOUND_MIXER_WRITE_RECSRC: 1136 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1137 if (di->source == -1) { 1138 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1139 "source\n", __func__)); 1140 error = EINVAL; 1141 goto out; 1142 } 1143 mc.dev = di->source; 1144 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1145 if (error) { 1146 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1147 __func__, error)); 1148 goto out; 1149 } 1150 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1151 mc.type = AUDIO_MIXER_ENUM; 1152 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1153 if (idat & (1 << i)) 1154 break; 1155 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1156 di->devmap[i] == -1) { 1157 error = EINVAL; 1158 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1159 "bad index %d\n", __func__, i)); 1160 goto out; 1161 } 1162 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1163 } else { 1164 mc.type = AUDIO_MIXER_SET; 1165 mc.un.mask = 0; 1166 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1167 if (idat & (1 << i)) { 1168 if (di->devmap[i] == -1) { 1169 DPRINTF(("%s: OSS_SOUND_MIXER_" 1170 "WRITE_RECSRC bad devmap " 1171 "%d\n", __func__, i)); 1172 error = EINVAL; 1173 goto out; 1174 } 1175 mc.un.mask |= enum_to_mask(di, 1176 di->devmap[i]); 1177 } 1178 } 1179 } 1180 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1181 if (error) { 1182 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1183 __func__, error)); 1184 goto out; 1185 } 1186 goto out; 1187 default: 1188 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1189 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1190 n = OSS_GET_DEV(com); 1191 if (di->devmap[n] == -1) { 1192 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1193 __func__, com, n)); 1194 error = EINVAL; 1195 goto out; 1196 } 1197 doread: 1198 mc.dev = di->devmap[n]; 1199 mc.type = AUDIO_MIXER_VALUE; 1200 mc.un.value.num_channels = di->stereomask & 1201 (1 << n) ? 2 : 1; 1202 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1203 if (error) { 1204 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1205 __func__, error)); 1206 goto out; 1207 } 1208 if (mc.un.value.num_channels != 2) { 1209 l = r = 1210 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1211 } else { 1212 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1213 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1214 } 1215 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1216 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1217 __func__, n, di->devmap[n], l, r, idat)); 1218 break; 1219 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1220 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1221 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1222 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1223 n = OSS_GET_DEV(com); 1224 if (di->devmap[n] == -1) { 1225 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1226 __func__, com, n)); 1227 error = EINVAL; 1228 goto out; 1229 } 1230 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1231 if (error) { 1232 DPRINTF(("%s: 0x%lx error %d\n", 1233 __func__, com, error)); 1234 goto out; 1235 } 1236 l = FROM_OSSVOL( idat & 0xff); 1237 r = FROM_OSSVOL((idat >> 8) & 0xff); 1238 mc.dev = di->devmap[n]; 1239 mc.type = AUDIO_MIXER_VALUE; 1240 if (di->stereomask & (1 << n)) { 1241 mc.un.value.num_channels = 2; 1242 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1243 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1244 } else { 1245 mc.un.value.num_channels = 1; 1246 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1247 (l + r) / 2; 1248 } 1249 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1250 __func__, n, di->devmap[n], l, r, idat)); 1251 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1252 if (error) { 1253 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1254 __func__, error)); 1255 goto out; 1256 } 1257 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1258 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1259 error = 0; 1260 goto out; 1261 } 1262 goto doread; 1263 } else { 1264 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1265 com)); 1266 error = EINVAL; 1267 goto out; 1268 } 1269 } 1270 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1271 out: 1272 fd_putfile(SCARG(uap, fd)); 1273 return error; 1274 } 1275 1276 /* Sequencer emulation */ 1277 int 1278 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1279 { 1280 /* { 1281 syscallarg(int) fd; 1282 syscallarg(u_long) com; 1283 syscallarg(void *) data; 1284 } */ 1285 file_t *fp; 1286 u_long com; 1287 int idat, idat1; 1288 struct synth_info si; 1289 struct oss_synth_info osi; 1290 struct oss_seq_event_rec oser; 1291 int error; 1292 int (*ioctlf)(file_t *, u_long, void *); 1293 1294 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1295 return (EBADF); 1296 1297 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1298 error = EBADF; 1299 goto out; 1300 } 1301 1302 com = SCARG(uap, com); 1303 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1304 1305 retval[0] = 0; 1306 1307 ioctlf = fp->f_ops->fo_ioctl; 1308 switch (com) { 1309 case OSS_SEQ_RESET: 1310 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1311 goto out; 1312 case OSS_SEQ_SYNC: 1313 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1314 goto out; 1315 case OSS_SYNTH_INFO: 1316 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1317 if (error) 1318 goto out; 1319 si.device = osi.device; 1320 error = ioctlf(fp, SEQUENCER_INFO, &si); 1321 if (error) 1322 goto out; 1323 strncpy(osi.name, si.name, sizeof osi.name); 1324 osi.device = si.device; 1325 switch(si.synth_type) { 1326 case SYNTH_TYPE_FM: 1327 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1328 case SYNTH_TYPE_SAMPLE: 1329 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1330 case SYNTH_TYPE_MIDI: 1331 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1332 default: 1333 osi.synth_type = 0; break; 1334 } 1335 switch(si.synth_subtype) { 1336 case SYNTH_SUB_FM_TYPE_ADLIB: 1337 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1338 case SYNTH_SUB_FM_TYPE_OPL3: 1339 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1340 case SYNTH_SUB_MIDI_TYPE_MPU401: 1341 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1342 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1343 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1344 default: 1345 osi.synth_subtype = 0; break; 1346 } 1347 osi.perc_mode = 0; 1348 osi.nr_voices = si.nr_voices; 1349 osi.nr_drums = 0; 1350 osi.instr_bank_size = si.instr_bank_size; 1351 osi.capabilities = 0; 1352 if (si.capabilities & SYNTH_CAP_OPL3) 1353 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1354 if (si.capabilities & SYNTH_CAP_INPUT) 1355 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1356 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1357 goto out; 1358 case OSS_SEQ_CTRLRATE: 1359 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1360 if (error) 1361 goto out; 1362 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1363 if (error) 1364 goto out; 1365 retval[0] = idat; 1366 break; 1367 case OSS_SEQ_GETOUTCOUNT: 1368 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1369 if (error) 1370 goto out; 1371 retval[0] = idat; 1372 break; 1373 case OSS_SEQ_GETINCOUNT: 1374 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1375 if (error) 1376 goto out; 1377 retval[0] = idat; 1378 break; 1379 case OSS_SEQ_NRSYNTHS: 1380 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1381 if (error) 1382 goto out; 1383 retval[0] = idat; 1384 break; 1385 case OSS_SEQ_NRMIDIS: 1386 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1387 if (error) 1388 goto out; 1389 retval[0] = idat; 1390 break; 1391 case OSS_SEQ_THRESHOLD: 1392 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1393 if (error) 1394 goto out; 1395 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1396 goto out; 1397 case OSS_MEMAVL: 1398 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1399 if (error) 1400 goto out; 1401 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1402 if (error) 1403 goto out; 1404 retval[0] = idat; 1405 break; 1406 case OSS_SEQ_PANIC: 1407 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1408 goto out; 1409 case OSS_SEQ_OUTOFBAND: 1410 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1411 if (error) 1412 goto out; 1413 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1414 if (error) 1415 goto out; 1416 break; 1417 case OSS_SEQ_GETTIME: 1418 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1419 if (error) 1420 goto out; 1421 retval[0] = idat; 1422 break; 1423 case OSS_TMR_TIMEBASE: 1424 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1425 if (error) 1426 goto out; 1427 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1428 if (error) 1429 goto out; 1430 retval[0] = idat; 1431 break; 1432 case OSS_TMR_START: 1433 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1434 goto out; 1435 case OSS_TMR_STOP: 1436 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1437 goto out; 1438 case OSS_TMR_CONTINUE: 1439 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1440 goto out; 1441 case OSS_TMR_TEMPO: 1442 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1443 if (error) 1444 goto out; 1445 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1446 if (error) 1447 goto out; 1448 retval[0] = idat; 1449 break; 1450 case OSS_TMR_SOURCE: 1451 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1452 if (error) 1453 goto out; 1454 idat = 0; 1455 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1456 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1457 if (error) 1458 goto out; 1459 idat1 = idat; 1460 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1461 retval[0] = idat; 1462 break; 1463 case OSS_TMR_METRONOME: 1464 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1465 if (error) 1466 goto out; 1467 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1468 goto out; 1469 case OSS_TMR_SELECT: 1470 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1471 if (error) 1472 goto out; 1473 retval[0] = idat; 1474 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1475 goto out; 1476 default: 1477 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1478 com)); 1479 error = EINVAL; 1480 goto out; 1481 } 1482 1483 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1484 out: 1485 fd_putfile(SCARG(uap, fd)); 1486 return error; 1487 } 1488 1489 /* 1490 * Check that the blocksize is a power of 2 as OSS wants. 1491 * If not, set it to be. 1492 */ 1493 static void 1494 setblocksize(file_t *fp, struct audio_info *info) 1495 { 1496 struct audio_info set; 1497 int s; 1498 1499 if (info->blocksize & (info->blocksize-1)) { 1500 for(s = 32; s < info->blocksize; s <<= 1) 1501 ; 1502 AUDIO_INITINFO(&set); 1503 set.blocksize = s; 1504 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1505 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1506 } 1507 } 1508
Indexes created Tue Sep 23 07:09:52 GMT 2025