ossaudio.c revision 1.65
1 /* $NetBSD: ossaudio.c,v 1.65 2009/08/22 23:31:16 christos 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 1.65 2009/08/22 23:31:16 christos 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 default: 356 DPRINTF(("%s: SNDCTL_DSP_SETFMT bad fmt %d\n", 357 __func__, idat)); 358 error = EINVAL; 359 goto out; 360 } 361 DPRINTF(("%s: SNDCTL_DSP_SETFMT > 0x%x\n", 362 __func__, idat)); 363 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 364 if (error) { 365 DPRINTF(("%s: AUDIO_SETINFO %d\n", 366 __func__, error)); 367 goto out; 368 } 369 /* fall into ... */ 370 case OSS_SOUND_PCM_READ_BITS: 371 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 372 if (error) { 373 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 374 __func__, error)); 375 goto out; 376 } 377 switch (tmpinfo.play.encoding) { 378 case AUDIO_ENCODING_ULAW: 379 idat = OSS_AFMT_MU_LAW; 380 break; 381 case AUDIO_ENCODING_ALAW: 382 idat = OSS_AFMT_A_LAW; 383 break; 384 case AUDIO_ENCODING_SLINEAR_LE: 385 if (tmpinfo.play.precision == 16) 386 idat = OSS_AFMT_S16_LE; 387 else 388 idat = OSS_AFMT_S8; 389 break; 390 case AUDIO_ENCODING_SLINEAR_BE: 391 if (tmpinfo.play.precision == 16) 392 idat = OSS_AFMT_S16_BE; 393 else 394 idat = OSS_AFMT_S8; 395 break; 396 case AUDIO_ENCODING_ULINEAR_LE: 397 if (tmpinfo.play.precision == 16) 398 idat = OSS_AFMT_U16_LE; 399 else 400 idat = OSS_AFMT_U8; 401 break; 402 case AUDIO_ENCODING_ULINEAR_BE: 403 if (tmpinfo.play.precision == 16) 404 idat = OSS_AFMT_U16_BE; 405 else 406 idat = OSS_AFMT_U8; 407 break; 408 case AUDIO_ENCODING_ADPCM: 409 idat = OSS_AFMT_IMA_ADPCM; 410 break; 411 default: 412 DPRINTF(("%s: SOUND_PCM_READ_BITS bad encoding %d\n", 413 __func__, tmpinfo.play.encoding)); 414 error = EINVAL; 415 goto out; 416 } 417 DPRINTF(("%s: SOUND_PCM_READ_BITS < 0x%x\n", 418 __func__, idat)); 419 error = copyout(&idat, SCARG(uap, data), sizeof idat); 420 if (error) { 421 DPRINTF(("%s: SOUND_PCM_READ_BITS %d = %d\n", 422 __func__, idat, error)); 423 goto out; 424 } 425 break; 426 case OSS_SNDCTL_DSP_CHANNELS: 427 AUDIO_INITINFO(&tmpinfo); 428 error = copyin(SCARG(uap, data), &idat, sizeof idat); 429 if (error) { 430 DPRINTF(("%s: SNDCTL_DSP_CHANNELS %d\n", 431 __func__, error)); 432 goto out; 433 } 434 tmpinfo.play.channels = 435 tmpinfo.record.channels = idat; 436 DPRINTF(("%s: SNDCTL_DSP_CHANNELS > %d\n", __func__, idat)); 437 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 438 if (error) { 439 DPRINTF(("%s: AUDIO_SETINFO %d\n", 440 __func__, error)); 441 goto out; 442 } 443 /* fall into ... */ 444 case OSS_SOUND_PCM_READ_CHANNELS: 445 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 446 if (error) { 447 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 448 __func__, error)); 449 goto out; 450 } 451 idat = tmpinfo.play.channels; 452 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS < %d\n", __func__, idat)); 453 error = copyout(&idat, SCARG(uap, data), sizeof idat); 454 if (error) { 455 DPRINTF(("%s: SOUND_PCM_READ_CHANNELS %d = %d\n", 456 __func__, idat, error)); 457 goto out; 458 } 459 break; 460 case OSS_SOUND_PCM_WRITE_FILTER: 461 case OSS_SOUND_PCM_READ_FILTER: 462 error = EINVAL; /* XXX unimplemented */ 463 DPRINTF(("%s: SOUND_PCM_{READ,WRITE}_FILTER filter\n", 464 __func__)); 465 goto out; 466 case OSS_SNDCTL_DSP_SUBDIVIDE: 467 error = copyin(SCARG(uap, data), &idat, sizeof idat); 468 if (error) { 469 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d\n", 470 __func__, error)); 471 goto out; 472 } 473 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 474 if (error) { 475 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 476 __func__, error)); 477 goto out; 478 } 479 setblocksize(fp, &tmpinfo); 480 if (idat == 0) 481 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 482 idat = (tmpinfo.play.buffer_size / idat) & -4; 483 AUDIO_INITINFO(&tmpinfo); 484 tmpinfo.blocksize = idat; 485 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 486 if (error) { 487 DPRINTF(("%s: AUDIO_SETINFO %d\n", 488 __func__, error)); 489 goto out; 490 } 491 idat = tmpinfo.play.buffer_size / tmpinfo.blocksize; 492 error = copyout(&idat, SCARG(uap, data), sizeof idat); 493 if (error) { 494 DPRINTF(("%s: SNDCTL_DSP_SUBDIVIDE %d = %d\n", 495 __func__, idat, error)); 496 goto out; 497 } 498 break; 499 case OSS_SNDCTL_DSP_SETFRAGMENT: 500 AUDIO_INITINFO(&tmpinfo); 501 error = copyin(SCARG(uap, data), &idat, sizeof idat); 502 if (error) { 503 DPRINTF(("%s: DSP_SETFRAGMENT %d\n", 504 __func__, error)); 505 goto out; 506 } 507 if ((idat & 0xffff) < 4 || (idat & 0xffff) > 17) { 508 DPRINTF(("%s: DSP_SETFRAGMENT bad ival%d\n", 509 __func__, idat)); 510 error = EINVAL; 511 goto out; 512 } 513 tmpinfo.blocksize = 1 << (idat & 0xffff); 514 tmpinfo.hiwat = (idat >> 16) & 0x7fff; 515 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT blksize=%d, " 516 "hiwat=%d\n", __func__, tmpinfo.blocksize, tmpinfo.hiwat)); 517 if (tmpinfo.hiwat == 0) /* 0 means set to max */ 518 tmpinfo.hiwat = 65536; 519 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 520 if (error) { 521 DPRINTF(("%s: AUDIO_SETINFO %d\n", 522 __func__, error)); 523 goto out; 524 } 525 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 526 if (error) { 527 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 528 __func__, error)); 529 goto out; 530 } 531 u = tmpinfo.blocksize; 532 for(idat = 0; u > 1; idat++, u >>= 1) 533 ; 534 idat |= (tmpinfo.hiwat & 0x7fff) << 16; 535 error = copyout(&idat, SCARG(uap, data), sizeof idat); 536 if (error) { 537 DPRINTF(("%s: SNDCTL_DSP_SETFRAGMENT %d = %d\n", 538 __func__, idat, error)); 539 goto out; 540 } 541 break; 542 case OSS_SNDCTL_DSP_GETFMTS: 543 for (idat = 0, tmpenc.index = 0; 544 ioctlf(fp, AUDIO_GETENC, &tmpenc) == 0; 545 tmpenc.index++) { 546 switch(tmpenc.encoding) { 547 case AUDIO_ENCODING_ULAW: 548 idat |= OSS_AFMT_MU_LAW; 549 break; 550 case AUDIO_ENCODING_ALAW: 551 idat |= OSS_AFMT_A_LAW; 552 break; 553 case AUDIO_ENCODING_SLINEAR: 554 idat |= OSS_AFMT_S8; 555 break; 556 case AUDIO_ENCODING_SLINEAR_LE: 557 if (tmpenc.precision == 16) 558 idat |= OSS_AFMT_S16_LE; 559 else 560 idat |= OSS_AFMT_S8; 561 break; 562 case AUDIO_ENCODING_SLINEAR_BE: 563 if (tmpenc.precision == 16) 564 idat |= OSS_AFMT_S16_BE; 565 else 566 idat |= OSS_AFMT_S8; 567 break; 568 case AUDIO_ENCODING_ULINEAR: 569 idat |= OSS_AFMT_U8; 570 break; 571 case AUDIO_ENCODING_ULINEAR_LE: 572 if (tmpenc.precision == 16) 573 idat |= OSS_AFMT_U16_LE; 574 else 575 idat |= OSS_AFMT_U8; 576 break; 577 case AUDIO_ENCODING_ULINEAR_BE: 578 if (tmpenc.precision == 16) 579 idat |= OSS_AFMT_U16_BE; 580 else 581 idat |= OSS_AFMT_U8; 582 break; 583 case AUDIO_ENCODING_ADPCM: 584 idat |= OSS_AFMT_IMA_ADPCM; 585 break; 586 default: 587 DPRINTF(("%s: SNDCTL_DSP_GETFMTS unknown %d\n", 588 __func__, tmpenc.encoding)); 589 break; 590 } 591 } 592 DPRINTF(("%s: SNDCTL_DSP_GETFMTS < 0x%x\n", 593 __func__, idat)); 594 error = copyout(&idat, SCARG(uap, data), sizeof idat); 595 if (error) { 596 DPRINTF(("%s: SNDCTL_DSP_GETFMTS = %x = %d\n", 597 __func__, idat, error)); 598 goto out; 599 } 600 break; 601 case OSS_SNDCTL_DSP_GETOSPACE: 602 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 603 if (error) { 604 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 605 __func__, error)); 606 goto out; 607 } 608 setblocksize(fp, &tmpinfo); 609 bufinfo.fragsize = tmpinfo.blocksize; 610 bufinfo.fragments = tmpinfo.hiwat - 611 (tmpinfo.play.seek + tmpinfo.blocksize - 1) / 612 tmpinfo.blocksize; 613 bufinfo.fragstotal = tmpinfo.hiwat; 614 bufinfo.bytes = 615 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.play.seek; 616 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 617 if (error) { 618 DPRINTF(("%s: SNDCTL_DSP_GETOSPACE = %d\n", 619 __func__, error)); 620 goto out; 621 } 622 break; 623 case OSS_SNDCTL_DSP_GETISPACE: 624 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 625 if (error) { 626 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 627 __func__, error)); 628 goto out; 629 } 630 setblocksize(fp, &tmpinfo); 631 bufinfo.fragsize = tmpinfo.blocksize; 632 bufinfo.fragments = tmpinfo.hiwat - 633 (tmpinfo.record.seek + tmpinfo.blocksize - 1) / 634 tmpinfo.blocksize; 635 bufinfo.fragstotal = tmpinfo.hiwat; 636 bufinfo.bytes = 637 tmpinfo.hiwat * tmpinfo.blocksize - tmpinfo.record.seek; 638 error = copyout(&bufinfo, SCARG(uap, data), sizeof bufinfo); 639 if (error) { 640 DPRINTF(("%s: SNDCTL_DSP_GETISPACE %d %d %d %d = %d\n", 641 __func__, bufinfo.fragsize, bufinfo.fragments, 642 bufinfo.fragstotal, bufinfo.bytes, error)); 643 goto out; 644 } 645 break; 646 case OSS_SNDCTL_DSP_NONBLOCK: 647 idat = 1; 648 error = ioctlf(fp, FIONBIO, &idat); 649 if (error) { 650 DPRINTF(("%s: SENDCLT_DSP_NONBLOCK %d\n", 651 __func__, error)); 652 goto out; 653 } 654 break; 655 case OSS_SNDCTL_DSP_GETCAPS: 656 error = ioctlf(fp, AUDIO_GETPROPS, &idata); 657 if (error) { 658 DPRINTF(("%s: AUDIO_GETPROPS %d\n", 659 __func__, error)); 660 goto out; 661 } 662 idat = OSS_DSP_CAP_TRIGGER; /* pretend we have trigger */ 663 if (idata & AUDIO_PROP_FULLDUPLEX) 664 idat |= OSS_DSP_CAP_DUPLEX; 665 if (idata & AUDIO_PROP_MMAP) 666 idat |= OSS_DSP_CAP_MMAP; 667 DPRINTF(("%s: SNDCL_DSP_GETCAPS %s duplex, %smmap\n", 668 __func__, (idat & OSS_DSP_CAP_DUPLEX) ? "full" : "half", 669 (idat & OSS_DSP_CAP_MMAP) ? "" : "no ")); 670 error = copyout(&idat, SCARG(uap, data), sizeof idat); 671 if (error) { 672 DPRINTF(("%s: SNDCTL_DSP_GETCAPS %x = %d\n", __func__, 673 idat, error)); 674 goto out; 675 } 676 break; 677 #if 0 678 case OSS_SNDCTL_DSP_GETTRIGGER: 679 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 680 if (error) { 681 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 682 __func__, error)); 683 goto out; 684 } 685 idat = (tmpinfo.play.pause ? 0 : OSS_PCM_ENABLE_OUTPUT) | 686 (tmpinfo.record.pause ? 0 : OSS_PCM_ENABLE_INPUT); 687 error = copyout(&idat, SCARG(uap, data), sizeof idat); 688 if (error) { 689 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 690 __func__, idat, error)); 691 goto out; 692 } 693 break; 694 case OSS_SNDCTL_DSP_SETTRIGGER: 695 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo, p); 696 if (error) { 697 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 698 __func__, error)); 699 goto out; 700 } 701 error = copyin(SCARG(uap, data), &idat, sizeof idat); 702 if (error) { 703 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 704 __func__, error)); 705 goto out; 706 } 707 tmpinfo.play.pause = (idat & OSS_PCM_ENABLE_OUTPUT) == 0; 708 tmpinfo.record.pause = (idat & OSS_PCM_ENABLE_INPUT) == 0; 709 error = ioctlf(fp, AUDIO_SETINFO, &tmpinfo); 710 if (error) { 711 DPRINTF(("%s: AUDIO_SETINFO %d\n", 712 __func__, error)); 713 goto out; 714 } 715 error = copyout(&idat, SCARG(uap, data), sizeof idat); 716 if (error) { 717 DPRINTF(("%s: SNDCTL_DSP_SETRIGGER %x = %d\n", 718 __func__, idat, error)); 719 goto out; 720 } 721 break; 722 #else 723 case OSS_SNDCTL_DSP_GETTRIGGER: 724 case OSS_SNDCTL_DSP_SETTRIGGER: 725 /* XXX Do nothing for now. */ 726 idat = OSS_PCM_ENABLE_OUTPUT; 727 error = copyout(&idat, SCARG(uap, data), sizeof idat); 728 if (error) { 729 DPRINTF(("%s: SNDCTL_DSP_{GET,SET}RIGGER %x = %d\n", 730 __func__, idat, error)); 731 goto out; 732 } 733 break; 734 #endif 735 case OSS_SNDCTL_DSP_GETIPTR: 736 error = ioctlf(fp, AUDIO_GETIOFFS, &tmpoffs); 737 if (error) { 738 DPRINTF(("%s: AUDIO_GETIOFFS %d\n", 739 __func__, error)); 740 goto out; 741 } 742 cntinfo.bytes = tmpoffs.samples; 743 cntinfo.blocks = tmpoffs.deltablks; 744 cntinfo.ptr = tmpoffs.offset; 745 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 746 if (error) { 747 DPRINTF(("%s: SNDCTL_DSP_GETIPTR %d\n", 748 __func__, error)); 749 goto out; 750 } 751 break; 752 case OSS_SNDCTL_DSP_GETOPTR: 753 error = ioctlf(fp, AUDIO_GETOOFFS, &tmpoffs); 754 if (error) { 755 DPRINTF(("%s: AUDIO_GETOOFFS %d\n", 756 __func__, error)); 757 goto out; 758 } 759 cntinfo.bytes = tmpoffs.samples; 760 cntinfo.blocks = tmpoffs.deltablks; 761 cntinfo.ptr = tmpoffs.offset; 762 error = copyout(&cntinfo, SCARG(uap, data), sizeof cntinfo); 763 if (error) { 764 DPRINTF(("%s: SNDCTL_DSP_GETOPTR %d\n", 765 __func__, error)); 766 goto out; 767 } 768 break; 769 case OSS_SNDCTL_DSP_SETDUPLEX: 770 idat = 1; 771 error = ioctlf(fp, AUDIO_SETFD, &idat); 772 if (error) { 773 DPRINTF(("%s: AUDIO_SETFD %d = %d\n", 774 __func__, idat, error)); 775 goto out; 776 } 777 break; 778 case OSS_SNDCTL_DSP_MAPINBUF: 779 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPINBUF\n", 780 __func__)); 781 error = EINVAL; 782 goto out; 783 case OSS_SNDCTL_DSP_MAPOUTBUF: 784 DPRINTF(("%s: Unimplemented SNDCTL_DSP_MAPOUTBUF\n", 785 __func__)); 786 error = EINVAL; 787 goto out; 788 case OSS_SNDCTL_DSP_SETSYNCRO: 789 DPRINTF(("%s: Unimplemented SNDCTL_DSP_GETSYNCHRO\n", 790 __func__)); 791 error = EINVAL; 792 goto out; 793 case OSS_SNDCTL_DSP_GETODELAY: 794 error = ioctlf(fp, AUDIO_GETBUFINFO, &tmpinfo); 795 if (error) { 796 DPRINTF(("%s: AUDIO_GETBUFINFO %d\n", 797 __func__, error)); 798 goto out; 799 } 800 idat = tmpinfo.play.seek + tmpinfo.blocksize / 2; 801 error = copyout(&idat, SCARG(uap, data), sizeof idat); 802 if (error) { 803 DPRINTF(("%s: SNDCTL_DSP_GETODELAY %d\n", 804 __func__, error)); 805 goto out; 806 } 807 break; 808 case OSS_SNDCTL_DSP_PROFILE: 809 /* This gives just a hint to the driver, 810 * implementing it as a NOP is ok 811 */ 812 DPRINTF(("%s: SNDCTL_DSP_PROFILE\n", __func__)); 813 break; 814 default: 815 DPRINTF(("%s: Unimplemented 0x%lx\n", __func__, com)); 816 error = EINVAL; 817 goto out; 818 } 819 820 out: 821 fd_putfile(SCARG(uap, fd)); 822 return error; 823 } 824 825 /* If the NetBSD mixer device should have more than 32 devices 826 * some will not be available to Linux */ 827 #define NETBSD_MAXDEVS 64 828 struct audiodevinfo { 829 int done; 830 dev_t dev; 831 int16_t devmap[OSS_SOUND_MIXER_NRDEVICES], 832 rdevmap[NETBSD_MAXDEVS]; 833 char names[NETBSD_MAXDEVS][MAX_AUDIO_DEV_LEN]; 834 int enum2opaque[NETBSD_MAXDEVS]; 835 u_long devmask, recmask, stereomask; 836 u_long caps, source; 837 }; 838 839 static int 840 opaque_to_enum(struct audiodevinfo *di, audio_mixer_name_t *label, int opq) 841 { 842 int i, o; 843 844 for (i = 0; i < NETBSD_MAXDEVS; i++) { 845 o = di->enum2opaque[i]; 846 if (o == opq) 847 break; 848 if (o == -1 && label != NULL && 849 !strncmp(di->names[i], label->name, sizeof di->names[i])) { 850 di->enum2opaque[i] = opq; 851 break; 852 } 853 } 854 if (i >= NETBSD_MAXDEVS) 855 i = -1; 856 /*printf("opq_to_enum %s %d -> %d\n", label->name, opq, i);*/ 857 return (i); 858 } 859 860 static int 861 enum_to_ord(struct audiodevinfo *di, int enm) 862 { 863 if (enm >= NETBSD_MAXDEVS) 864 return (-1); 865 866 /*printf("enum_to_ord %d -> %d\n", enm, di->enum2opaque[enm]);*/ 867 return (di->enum2opaque[enm]); 868 } 869 870 static int 871 enum_to_mask(struct audiodevinfo *di, int enm) 872 { 873 int m; 874 if (enm >= NETBSD_MAXDEVS) 875 return (0); 876 877 m = di->enum2opaque[enm]; 878 if (m == -1) 879 m = 0; 880 /*printf("enum_to_mask %d -> %d\n", enm, di->enum2opaque[enm]);*/ 881 return (m); 882 } 883 884 /* 885 * Collect the audio device information to allow faster 886 * emulation of the Linux mixer ioctls. Cache the information 887 * to eliminate the overhead of repeating all the ioctls needed 888 * to collect the information. 889 */ 890 static struct audiodevinfo * 891 getdevinfo(file_t *fp) 892 { 893 mixer_devinfo_t mi; 894 int i, j, e; 895 static const struct { 896 const char *name; 897 int code; 898 } *dp, devs[] = { 899 { AudioNmicrophone, OSS_SOUND_MIXER_MIC }, 900 { AudioNline, OSS_SOUND_MIXER_LINE }, 901 { AudioNcd, OSS_SOUND_MIXER_CD }, 902 { AudioNdac, OSS_SOUND_MIXER_PCM }, 903 { AudioNaux, OSS_SOUND_MIXER_LINE1 }, 904 { AudioNrecord, OSS_SOUND_MIXER_IMIX }, 905 { AudioNmaster, OSS_SOUND_MIXER_VOLUME }, 906 { AudioNtreble, OSS_SOUND_MIXER_TREBLE }, 907 { AudioNbass, OSS_SOUND_MIXER_BASS }, 908 { AudioNspeaker, OSS_SOUND_MIXER_SPEAKER }, 909 /* { AudioNheadphone, ?? },*/ 910 { AudioNoutput, OSS_SOUND_MIXER_OGAIN }, 911 { AudioNinput, OSS_SOUND_MIXER_IGAIN }, 912 /* { AudioNmaster, OSS_SOUND_MIXER_SPEAKER },*/ 913 /* { AudioNstereo, ?? },*/ 914 /* { AudioNmono, ?? },*/ 915 { AudioNfmsynth, OSS_SOUND_MIXER_SYNTH }, 916 /* { AudioNwave, OSS_SOUND_MIXER_PCM },*/ 917 { AudioNmidi, OSS_SOUND_MIXER_SYNTH }, 918 /* { AudioNmixerout, ?? },*/ 919 { 0, -1 } 920 }; 921 int (*ioctlf)(file_t *, u_long, void *) = fp->f_ops->fo_ioctl; 922 struct vnode *vp; 923 struct vattr va; 924 static struct audiodevinfo devcache; 925 struct audiodevinfo *di = &devcache; 926 int mlen, dlen; 927 928 /* 929 * Figure out what device it is so we can check if the 930 * cached data is valid. 931 */ 932 vp = fp->f_data; 933 if (vp->v_type != VCHR) 934 return 0; 935 if (VOP_GETATTR(vp, &va, kauth_cred_get())) 936 return 0; 937 if (di->done && di->dev == va.va_rdev) 938 return di; 939 940 di->done = 1; 941 di->dev = va.va_rdev; 942 di->devmask = 0; 943 di->recmask = 0; 944 di->stereomask = 0; 945 di->source = ~0; 946 di->caps = 0; 947 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 948 di->devmap[i] = -1; 949 for(i = 0; i < NETBSD_MAXDEVS; i++) { 950 di->rdevmap[i] = -1; 951 di->names[i][0] = '\0'; 952 di->enum2opaque[i] = -1; 953 } 954 for(i = 0; i < NETBSD_MAXDEVS; i++) { 955 mi.index = i; 956 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 957 break; 958 switch(mi.type) { 959 case AUDIO_MIXER_VALUE: 960 for(dp = devs; dp->name; dp++) { 961 if (strcmp(dp->name, mi.label.name) == 0) 962 break; 963 dlen = strlen(dp->name); 964 mlen = strlen(mi.label.name); 965 if (dlen < mlen 966 && mi.label.name[mlen-dlen-1] == '.' 967 && strcmp(dp->name, mi.label.name + mlen - dlen) == 0) 968 break; 969 } 970 if (dp->code >= 0) { 971 di->devmap[dp->code] = i; 972 di->rdevmap[i] = dp->code; 973 di->devmask |= 1 << dp->code; 974 if (mi.un.v.num_channels == 2) 975 di->stereomask |= 1 << dp->code; 976 strncpy(di->names[i], mi.label.name, 977 sizeof di->names[i]); 978 } 979 break; 980 } 981 } 982 for(i = 0; i < NETBSD_MAXDEVS; i++) { 983 mi.index = i; 984 if (ioctlf(fp, AUDIO_MIXER_DEVINFO, &mi) < 0) 985 break; 986 if (strcmp(mi.label.name, AudioNsource) != 0) 987 continue; 988 di->source = i; 989 switch(mi.type) { 990 case AUDIO_MIXER_ENUM: 991 for(j = 0; j < mi.un.e.num_mem; j++) { 992 e = opaque_to_enum(di, 993 &mi.un.e.member[j].label, 994 mi.un.e.member[j].ord); 995 if (e >= 0) 996 di->recmask |= 1 << di->rdevmap[e]; 997 } 998 di->caps = OSS_SOUND_CAP_EXCL_INPUT; 999 break; 1000 case AUDIO_MIXER_SET: 1001 for(j = 0; j < mi.un.s.num_mem; j++) { 1002 e = opaque_to_enum(di, 1003 &mi.un.s.member[j].label, 1004 mi.un.s.member[j].mask); 1005 if (e >= 0) 1006 di->recmask |= 1 << di->rdevmap[e]; 1007 } 1008 break; 1009 } 1010 } 1011 return di; 1012 } 1013 1014 int 1015 oss_ioctl_mixer(struct lwp *lwp, const struct oss_sys_ioctl_args *uap, register_t *retval) 1016 { 1017 /* { 1018 syscallarg(int) fd; 1019 syscallarg(u_long) com; 1020 syscallarg(void *) data; 1021 } */ 1022 file_t *fp; 1023 u_long com; 1024 struct audiodevinfo *di; 1025 mixer_ctrl_t mc; 1026 struct oss_mixer_info omi; 1027 struct audio_device adev; 1028 int idat; 1029 int i; 1030 int error; 1031 int l, r, n, e; 1032 int (*ioctlf)(file_t *, u_long, void *); 1033 1034 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1035 return (EBADF); 1036 1037 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1038 error = EBADF; 1039 goto out; 1040 } 1041 1042 com = SCARG(uap, com); 1043 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1044 1045 retval[0] = 0; 1046 1047 di = getdevinfo(fp); 1048 if (di == 0) { 1049 error = EINVAL; 1050 goto out; 1051 } 1052 1053 ioctlf = fp->f_ops->fo_ioctl; 1054 switch (com) { 1055 case OSS_GET_VERSION: 1056 idat = OSS_SOUND_VERSION; 1057 break; 1058 case OSS_SOUND_MIXER_INFO: 1059 case OSS_SOUND_OLD_MIXER_INFO: 1060 error = ioctlf(fp, AUDIO_GETDEV, &adev); 1061 if (error) { 1062 DPRINTF(("%s: AUDIO_GETDEV %d\n", 1063 __func__, error)); 1064 goto out; 1065 } 1066 omi.modify_counter = 1; 1067 strncpy(omi.id, adev.name, sizeof omi.id); 1068 strncpy(omi.name, adev.name, sizeof omi.name); 1069 error = copyout(&omi, SCARG(uap, data), OSS_IOCTL_SIZE(com)); 1070 if (error) { 1071 DPRINTF(("%s: OSS_SOUND_MIXER_INFO %d\n", 1072 __func__, error)); 1073 goto out; 1074 } 1075 break; 1076 case OSS_SOUND_MIXER_READ_RECSRC: 1077 if (di->source == -1) { 1078 DPRINTF(("%s: OSS_SOUND_MIXER_READ_RECSRC bad source\n", 1079 __func__)); 1080 error = EINVAL; 1081 goto out; 1082 } 1083 mc.dev = di->source; 1084 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1085 mc.type = AUDIO_MIXER_ENUM; 1086 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1087 if (error) { 1088 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1089 __func__, error)); 1090 goto out; 1091 } 1092 e = opaque_to_enum(di, NULL, mc.un.ord); 1093 if (e >= 0) 1094 idat = 1 << di->rdevmap[e]; 1095 } else { 1096 mc.type = AUDIO_MIXER_SET; 1097 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1098 if (error) { 1099 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1100 __func__, error)); 1101 goto out; 1102 } 1103 e = opaque_to_enum(di, NULL, mc.un.mask); 1104 if (e >= 0) 1105 idat = 1 << di->rdevmap[e]; 1106 } 1107 break; 1108 case OSS_SOUND_MIXER_READ_DEVMASK: 1109 idat = di->devmask; 1110 break; 1111 case OSS_SOUND_MIXER_READ_RECMASK: 1112 idat = di->recmask; 1113 break; 1114 case OSS_SOUND_MIXER_READ_STEREODEVS: 1115 idat = di->stereomask; 1116 break; 1117 case OSS_SOUND_MIXER_READ_CAPS: 1118 idat = di->caps; 1119 break; 1120 case OSS_SOUND_MIXER_WRITE_RECSRC: 1121 case OSS_SOUND_MIXER_WRITE_R_RECSRC: 1122 if (di->source == -1) { 1123 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC bad " 1124 "source\n", __func__)); 1125 error = EINVAL; 1126 goto out; 1127 } 1128 mc.dev = di->source; 1129 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1130 if (error) { 1131 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC %d\n", 1132 __func__, error)); 1133 goto out; 1134 } 1135 if (di->caps & OSS_SOUND_CAP_EXCL_INPUT) { 1136 mc.type = AUDIO_MIXER_ENUM; 1137 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) 1138 if (idat & (1 << i)) 1139 break; 1140 if (i >= OSS_SOUND_MIXER_NRDEVICES || 1141 di->devmap[i] == -1) { 1142 error = EINVAL; 1143 DPRINTF(("%s: OSS_SOUND_MIXER_WRITE_RECSRC " 1144 "bad index %d\n", __func__, i)); 1145 goto out; 1146 } 1147 mc.un.ord = enum_to_ord(di, di->devmap[i]); 1148 } else { 1149 mc.type = AUDIO_MIXER_SET; 1150 mc.un.mask = 0; 1151 for(i = 0; i < OSS_SOUND_MIXER_NRDEVICES; i++) { 1152 if (idat & (1 << i)) { 1153 if (di->devmap[i] == -1) { 1154 DPRINTF(("%s: OSS_SOUND_MIXER_" 1155 "WRITE_RECSRC bad devmap " 1156 "%d\n", __func__, i)); 1157 error = EINVAL; 1158 goto out; 1159 } 1160 mc.un.mask |= enum_to_mask(di, 1161 di->devmap[i]); 1162 } 1163 } 1164 } 1165 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1166 if (error) { 1167 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1168 __func__, error)); 1169 goto out; 1170 } 1171 goto out; 1172 default: 1173 if (OSS_MIXER_READ(OSS_SOUND_MIXER_FIRST) <= com && 1174 com < OSS_MIXER_READ(OSS_SOUND_MIXER_NRDEVICES)) { 1175 n = OSS_GET_DEV(com); 1176 if (di->devmap[n] == -1) { 1177 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1178 __func__, com, n)); 1179 error = EINVAL; 1180 goto out; 1181 } 1182 doread: 1183 mc.dev = di->devmap[n]; 1184 mc.type = AUDIO_MIXER_VALUE; 1185 mc.un.value.num_channels = di->stereomask & 1186 (1 << n) ? 2 : 1; 1187 error = ioctlf(fp, AUDIO_MIXER_READ, &mc); 1188 if (error) { 1189 DPRINTF(("%s: AUDIO_MIXER_READ %d\n", 1190 __func__, error)); 1191 goto out; 1192 } 1193 if (mc.un.value.num_channels != 2) { 1194 l = r = 1195 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO]; 1196 } else { 1197 l = mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 1198 r = mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 1199 } 1200 idat = TO_OSSVOL(l) | (TO_OSSVOL(r) << 8); 1201 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1202 __func__, n, di->devmap[n], l, r, idat)); 1203 break; 1204 } else if ((OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_FIRST) <= com && 1205 com < OSS_MIXER_WRITE_R(OSS_SOUND_MIXER_NRDEVICES)) || 1206 (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1207 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES))) { 1208 n = OSS_GET_DEV(com); 1209 if (di->devmap[n] == -1) { 1210 DPRINTF(("%s: 0x%lx bad devmap %d\n", 1211 __func__, com, n)); 1212 error = EINVAL; 1213 goto out; 1214 } 1215 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1216 if (error) { 1217 DPRINTF(("%s: 0x%lx error %d\n", 1218 __func__, com, error)); 1219 goto out; 1220 } 1221 l = FROM_OSSVOL( idat & 0xff); 1222 r = FROM_OSSVOL((idat >> 8) & 0xff); 1223 mc.dev = di->devmap[n]; 1224 mc.type = AUDIO_MIXER_VALUE; 1225 if (di->stereomask & (1 << n)) { 1226 mc.un.value.num_channels = 2; 1227 mc.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l; 1228 mc.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r; 1229 } else { 1230 mc.un.value.num_channels = 1; 1231 mc.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1232 (l + r) / 2; 1233 } 1234 DPRINTF(("%s: n=%d (dev=%d) l=%d, r=%d, idat=%04x\n", 1235 __func__, n, di->devmap[n], l, r, idat)); 1236 error = ioctlf(fp, AUDIO_MIXER_WRITE, &mc); 1237 if (error) { 1238 DPRINTF(("%s: AUDIO_MIXER_WRITE %d\n", 1239 __func__, error)); 1240 goto out; 1241 } 1242 if (OSS_MIXER_WRITE(OSS_SOUND_MIXER_FIRST) <= com && 1243 com < OSS_MIXER_WRITE(OSS_SOUND_MIXER_NRDEVICES)) { 1244 error = 0; 1245 goto out; 1246 } 1247 goto doread; 1248 } else { 1249 DPRINTF(("%s: Unknown mixer ioctl 0x%lx\n", __func__, 1250 com)); 1251 error = EINVAL; 1252 goto out; 1253 } 1254 } 1255 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1256 out: 1257 fd_putfile(SCARG(uap, fd)); 1258 return error; 1259 } 1260 1261 /* Sequencer emulation */ 1262 int 1263 oss_ioctl_sequencer(struct lwp *l, const struct oss_sys_ioctl_args *uap, register_t *retval) 1264 { 1265 /* { 1266 syscallarg(int) fd; 1267 syscallarg(u_long) com; 1268 syscallarg(void *) data; 1269 } */ 1270 file_t *fp; 1271 u_long com; 1272 int idat, idat1; 1273 struct synth_info si; 1274 struct oss_synth_info osi; 1275 struct oss_seq_event_rec oser; 1276 int error; 1277 int (*ioctlf)(file_t *, u_long, void *); 1278 1279 if ((fp = fd_getfile(SCARG(uap, fd))) == NULL) 1280 return (EBADF); 1281 1282 if ((fp->f_flag & (FREAD | FWRITE)) == 0) { 1283 error = EBADF; 1284 goto out; 1285 } 1286 1287 com = SCARG(uap, com); 1288 DPRINTF(("%s: com=%s\n", __func__, compat_ossaudio_getcmd(com))); 1289 1290 retval[0] = 0; 1291 1292 ioctlf = fp->f_ops->fo_ioctl; 1293 switch (com) { 1294 case OSS_SEQ_RESET: 1295 error = ioctlf(fp, SEQUENCER_RESET, &idat); 1296 goto out; 1297 case OSS_SEQ_SYNC: 1298 error = ioctlf(fp, SEQUENCER_SYNC, &idat); 1299 goto out; 1300 case OSS_SYNTH_INFO: 1301 error = copyin(SCARG(uap, data), &osi, sizeof osi); 1302 if (error) 1303 goto out; 1304 si.device = osi.device; 1305 error = ioctlf(fp, SEQUENCER_INFO, &si); 1306 if (error) 1307 goto out; 1308 strncpy(osi.name, si.name, sizeof osi.name); 1309 osi.device = si.device; 1310 switch(si.synth_type) { 1311 case SYNTH_TYPE_FM: 1312 osi.synth_type = OSS_SYNTH_TYPE_FM; break; 1313 case SYNTH_TYPE_SAMPLE: 1314 osi.synth_type = OSS_SYNTH_TYPE_SAMPLE; break; 1315 case SYNTH_TYPE_MIDI: 1316 osi.synth_type = OSS_SYNTH_TYPE_MIDI; break; 1317 default: 1318 osi.synth_type = 0; break; 1319 } 1320 switch(si.synth_subtype) { 1321 case SYNTH_SUB_FM_TYPE_ADLIB: 1322 osi.synth_subtype = OSS_FM_TYPE_ADLIB; break; 1323 case SYNTH_SUB_FM_TYPE_OPL3: 1324 osi.synth_subtype = OSS_FM_TYPE_OPL3; break; 1325 case SYNTH_SUB_MIDI_TYPE_MPU401: 1326 osi.synth_subtype = OSS_MIDI_TYPE_MPU401; break; 1327 case SYNTH_SUB_SAMPLE_TYPE_BASIC: 1328 osi.synth_subtype = OSS_SAMPLE_TYPE_BASIC; break; 1329 default: 1330 osi.synth_subtype = 0; break; 1331 } 1332 osi.perc_mode = 0; 1333 osi.nr_voices = si.nr_voices; 1334 osi.nr_drums = 0; 1335 osi.instr_bank_size = si.instr_bank_size; 1336 osi.capabilities = 0; 1337 if (si.capabilities & SYNTH_CAP_OPL3) 1338 osi.capabilities |= OSS_SYNTH_CAP_OPL3; 1339 if (si.capabilities & SYNTH_CAP_INPUT) 1340 osi.capabilities |= OSS_SYNTH_CAP_INPUT; 1341 error = copyout(&osi, SCARG(uap, data), sizeof osi); 1342 goto out; 1343 case OSS_SEQ_CTRLRATE: 1344 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1345 if (error) 1346 goto out; 1347 error = ioctlf(fp, SEQUENCER_CTRLRATE, &idat); 1348 if (error) 1349 goto out; 1350 retval[0] = idat; 1351 break; 1352 case OSS_SEQ_GETOUTCOUNT: 1353 error = ioctlf(fp, SEQUENCER_GETOUTCOUNT, &idat); 1354 if (error) 1355 goto out; 1356 retval[0] = idat; 1357 break; 1358 case OSS_SEQ_GETINCOUNT: 1359 error = ioctlf(fp, SEQUENCER_GETINCOUNT, &idat); 1360 if (error) 1361 goto out; 1362 retval[0] = idat; 1363 break; 1364 case OSS_SEQ_NRSYNTHS: 1365 error = ioctlf(fp, SEQUENCER_NRSYNTHS, &idat); 1366 if (error) 1367 goto out; 1368 retval[0] = idat; 1369 break; 1370 case OSS_SEQ_NRMIDIS: 1371 error = ioctlf(fp, SEQUENCER_NRMIDIS, &idat); 1372 if (error) 1373 goto out; 1374 retval[0] = idat; 1375 break; 1376 case OSS_SEQ_THRESHOLD: 1377 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1378 if (error) 1379 goto out; 1380 error = ioctlf(fp, SEQUENCER_THRESHOLD, &idat); 1381 goto out; 1382 case OSS_MEMAVL: 1383 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1384 if (error) 1385 goto out; 1386 error = ioctlf(fp, SEQUENCER_MEMAVL, &idat); 1387 if (error) 1388 goto out; 1389 retval[0] = idat; 1390 break; 1391 case OSS_SEQ_PANIC: 1392 error = ioctlf(fp, SEQUENCER_PANIC, &idat); 1393 goto out; 1394 case OSS_SEQ_OUTOFBAND: 1395 error = copyin(SCARG(uap, data), &oser, sizeof oser); 1396 if (error) 1397 goto out; 1398 error = ioctlf(fp, SEQUENCER_OUTOFBAND, &oser); 1399 if (error) 1400 goto out; 1401 break; 1402 case OSS_SEQ_GETTIME: 1403 error = ioctlf(fp, SEQUENCER_GETTIME, &idat); 1404 if (error) 1405 goto out; 1406 retval[0] = idat; 1407 break; 1408 case OSS_TMR_TIMEBASE: 1409 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1410 if (error) 1411 goto out; 1412 error = ioctlf(fp, SEQUENCER_TMR_TIMEBASE, &idat); 1413 if (error) 1414 goto out; 1415 retval[0] = idat; 1416 break; 1417 case OSS_TMR_START: 1418 error = ioctlf(fp, SEQUENCER_TMR_START, &idat); 1419 goto out; 1420 case OSS_TMR_STOP: 1421 error = ioctlf(fp, SEQUENCER_TMR_STOP, &idat); 1422 goto out; 1423 case OSS_TMR_CONTINUE: 1424 error = ioctlf(fp, SEQUENCER_TMR_CONTINUE, &idat); 1425 goto out; 1426 case OSS_TMR_TEMPO: 1427 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1428 if (error) 1429 goto out; 1430 error = ioctlf(fp, SEQUENCER_TMR_TEMPO, &idat); 1431 if (error) 1432 goto out; 1433 retval[0] = idat; 1434 break; 1435 case OSS_TMR_SOURCE: 1436 error = copyin(SCARG(uap, data), &idat1, sizeof idat); 1437 if (error) 1438 goto out; 1439 idat = 0; 1440 if (idat1 & OSS_TMR_INTERNAL) idat |= SEQUENCER_TMR_INTERNAL; 1441 error = ioctlf(fp, SEQUENCER_TMR_SOURCE, &idat); 1442 if (error) 1443 goto out; 1444 idat1 = idat; 1445 if (idat1 & SEQUENCER_TMR_INTERNAL) idat |= OSS_TMR_INTERNAL; 1446 retval[0] = idat; 1447 break; 1448 case OSS_TMR_METRONOME: 1449 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1450 if (error) 1451 goto out; 1452 error = ioctlf(fp, SEQUENCER_TMR_METRONOME, &idat); 1453 goto out; 1454 case OSS_TMR_SELECT: 1455 error = copyin(SCARG(uap, data), &idat, sizeof idat); 1456 if (error) 1457 goto out; 1458 retval[0] = idat; 1459 error = ioctlf(fp, SEQUENCER_TMR_SELECT, &idat); 1460 goto out; 1461 default: 1462 DPRINTF(("%s: Unknown sequencer command 0x%lx\n", __func__, 1463 com)); 1464 error = EINVAL; 1465 goto out; 1466 } 1467 1468 error = copyout(&idat, SCARG(uap, data), sizeof idat); 1469 out: 1470 fd_putfile(SCARG(uap, fd)); 1471 return error; 1472 } 1473 1474 /* 1475 * Check that the blocksize is a power of 2 as OSS wants. 1476 * If not, set it to be. 1477 */ 1478 static void 1479 setblocksize(file_t *fp, struct audio_info *info) 1480 { 1481 struct audio_info set; 1482 int s; 1483 1484 if (info->blocksize & (info->blocksize-1)) { 1485 for(s = 32; s < info->blocksize; s <<= 1) 1486 ; 1487 AUDIO_INITINFO(&set); 1488 set.blocksize = s; 1489 fp->f_ops->fo_ioctl(fp, AUDIO_SETINFO, &set); 1490 fp->f_ops->fo_ioctl(fp, AUDIO_GETBUFINFO, info); 1491 } 1492 } 1493
Indexes created Tue Sep 23 01:09:51 GMT 2025