1 /* $NetBSD: interwave.c,v 1.33 2008/04/28 20:23:50 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Kari Mettinen 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: interwave.c,v 1.33 2008/04/28 20:23:50 martin Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/errno.h> 37 #include <sys/ioctl.h> 38 #include <sys/syslog.h> 39 #include <sys/device.h> 40 #include <sys/proc.h> 41 #include <sys/buf.h> 42 #include <sys/fcntl.h> 43 #include <sys/malloc.h> 44 #include <sys/kernel.h> 45 46 #include <sys/cpu.h> 47 #include <sys/intr.h> 48 #include <machine/pio.h> 49 #include <sys/audioio.h> 50 #include <dev/audio_if.h> 51 #include <dev/mulaw.h> 52 53 #include <dev/isa/isavar.h> 54 #include <dev/isa/isadmavar.h> 55 56 #include <dev/ic/interwavereg.h> 57 #include <dev/ic/interwavevar.h> 58 59 60 static void iwreset(struct iw_softc *, int); 61 62 static int iw_set_speed(struct iw_softc *, u_long, char); 63 static u_long iw_set_format(struct iw_softc *, u_long, int); 64 static void iw_mixer_line_level(struct iw_softc *, int, int, int); 65 static void iw_trigger_dma(struct iw_softc *, u_char); 66 static void iw_stop_dma(struct iw_softc *, u_char, u_char); 67 static void iw_dma_count(struct iw_softc *, u_short, int); 68 static int iwintr(void *); 69 static void iw_meminit(struct iw_softc *); 70 static void iw_mempoke(struct iw_softc *, u_long, u_char); 71 static u_char iw_mempeek(struct iw_softc *, u_long); 72 73 #ifdef USE_WAVETABLE 74 static void iw_set_voice_place(struct iw_softc *, u_char, u_long); 75 static void iw_voice_pan(struct iw_softc *, u_char, u_short, u_short); 76 static void iw_voice_freq(struct iw_softc *, u_char, u_long); 77 static void iw_set_loopmode(struct iw_softc *, u_char, u_char, u_char); 78 static void iw_set_voice_pos(struct iw_softc *, u_short, u_long, u_long); 79 static void iw_start_voice(struct iw_softc *, u_char); 80 static void iw_play_voice(struct iw_softc *, u_long, u_long, u_short); 81 static void iw_stop_voice(struct iw_softc *, u_char); 82 static void iw_move_voice_end(struct iw_softc *, u_short, u_long); 83 static void iw_initvoices(struct iw_softc *); 84 #endif 85 86 struct audio_device iw_device = { 87 "Am78C201", 88 "0.1", 89 "guspnp" 90 }; 91 92 #ifdef AUDIO_DEBUG 93 int iw_debug; 94 #define DPRINTF(p) if (iw_debug) printf p 95 #else 96 #define DPRINTF(p) 97 #endif 98 99 static int iw_cc = 1; 100 #ifdef DIAGNOSTIC 101 static int outputs = 0; 102 static int iw_ints = 0; 103 static int inputs = 0; 104 static int iw_inints = 0; 105 #endif 106 107 int 108 iwintr(void *arg) 109 { 110 struct iw_softc *sc; 111 int val; 112 u_char intrs; 113 114 sc = arg; 115 val = 0; 116 intrs = 0; 117 IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */ 118 119 /* codec ints */ 120 121 /* 122 * The proper order to do this seems to be to read CSR3 to get the 123 * int cause and fifo over underrrun status, then deal with the ints 124 * (new DMA set up), and to clear ints by writing the respective bit 125 * to 0. 126 */ 127 128 /* read what ints happened */ 129 130 IW_READ_CODEC_1(CSR3I, intrs); 131 132 /* clear them */ 133 134 IW_WRITE_DIRECT_1(2, sc->codec_index_h, 0x00); 135 136 /* and process them */ 137 138 if (intrs & 0x20) { 139 #ifdef DIAGNOSTIC 140 iw_inints++; 141 #endif 142 if (sc->sc_recintr != 0) 143 sc->sc_recintr(sc->sc_recarg); 144 val = 1; 145 } 146 if (intrs & 0x10) { 147 #ifdef DIAGNOSTIC 148 iw_ints++; 149 #endif 150 if (sc->sc_playintr != 0) 151 sc->sc_playintr(sc->sc_playarg); 152 val = 1; 153 } 154 return val; 155 156 } 157 158 void 159 iwattach(struct iw_softc *sc) 160 { 161 int got_irq; 162 163 DPRINTF(("iwattach sc %p\n", sc)); 164 got_irq = 0; 165 166 sc->cdatap = 1; /* relative offsets in region */ 167 sc->csr1r = 2; 168 sc->cxdr = 3; /* CPDR or CRDR */ 169 170 sc->gmxr = 0; /* sc->p3xr */ 171 sc->gmxdr = 1; /* GMTDR or GMRDR */ 172 sc->svsr = 2; 173 sc->igidxr = 3; 174 sc->i16dp = 4; 175 sc->i8dp = 5; 176 sc->lmbdr = 7; 177 178 sc->rec_precision = sc->play_precision = 8; 179 sc->rec_channels = sc->play_channels = 1; 180 sc->rec_encoding = sc->play_encoding = AUDIO_ENCODING_ULAW; 181 sc->sc_irate = 8000; 182 sc->sc_orate = 8000; 183 184 sc->sc_fullduplex = 1; 185 186 sc->sc_dma_flags = 0; 187 188 /* 189 * We can only use a few selected irqs, see if we got one from pnp 190 * code that suits us. 191 */ 192 193 if (sc->sc_irq > 0) { 194 sc->sc_ih = isa_intr_establish(sc->sc_p2xr_ic, 195 sc->sc_irq, IST_EDGE, IPL_AUDIO, iwintr, sc); 196 got_irq = 1; 197 } 198 if (!got_irq) { 199 printf("\niwattach: couldn't get a suitable irq\n"); 200 return; 201 } 202 printf("\n"); 203 iwreset(sc, 0); 204 iw_set_format(sc, AUDIO_ENCODING_ULAW, 0); 205 iw_set_format(sc, AUDIO_ENCODING_ULAW, 1); 206 printf("%s: interwave version %s\n", 207 device_xname(&sc->sc_dev), iw_device.version); 208 audio_attach_mi(sc->iw_hw_if, sc, &sc->sc_dev); 209 } 210 211 int 212 iwopen(struct iw_softc *sc, int flags) 213 { 214 215 DPRINTF(("iwopen: sc %p\n", sc)); 216 217 #ifdef DIAGNOSTIC 218 outputs = 0; 219 iw_ints = 0; 220 inputs = 0; 221 iw_inints = 0; 222 #endif 223 224 iwreset(sc, 1); 225 226 return 0; 227 } 228 229 void 230 iwclose(void *addr) 231 { 232 233 DPRINTF(("iwclose sc %p\n", addr)); 234 #ifdef DIAGNOSTIC 235 DPRINTF(("iwclose: outputs %d ints %d inputs %d in_ints %d\n", 236 outputs, iw_ints, inputs, iw_inints)); 237 #endif 238 } 239 240 #define RAM_STEP 64*1024 241 242 static void 243 iw_mempoke(struct iw_softc *sc, u_long addy, u_char val) 244 { 245 246 IW_WRITE_GENERAL_2(LMALI, (u_short) addy); 247 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16)); 248 249 /* Write byte to LMBDR */ 250 IW_WRITE_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, val); 251 } 252 253 static u_char 254 iw_mempeek(struct iw_softc *sc, u_long addy) 255 { 256 u_char ret; 257 258 IW_WRITE_GENERAL_2(LMALI, (u_short) addy); 259 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16)); 260 261 IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret); 262 return ret; /* return byte from LMBDR */ 263 } 264 265 static void 266 iw_meminit(struct iw_softc *sc) 267 { 268 u_long bank[4] = {0L, 0L, 0L, 0L}; 269 u_long addr, base, cnt; 270 u_char i, ram /* ,memval=0 */ ; 271 u_short lmcfi; 272 u_long temppi; 273 u_long *lpbanks; 274 275 addr = 0L; 276 base = 0L; 277 cnt = 0L; 278 ram = 0; 279 lpbanks = &temppi; 280 281 IW_WRITE_GENERAL_1(LDMACI, 0x00); 282 283 IW_READ_GENERAL_2(LMCFI, lmcfi); /* 0x52 */ 284 lmcfi |= 0x0A0C; 285 IW_WRITE_GENERAL_2(LMCFI, lmcfi); /* max addr span */ 286 IW_WRITE_GENERAL_1(LMCI, 0x00); 287 288 /* fifo addresses */ 289 290 IW_WRITE_GENERAL_2(LMRFAI, ((4 * 1024 * 1024) >> 8)); 291 IW_WRITE_GENERAL_2(LMPFAI, ((4 * 1024 * 1024 + 16 * 1024) >> 8)); 292 293 IW_WRITE_GENERAL_2(LMFSI, 0x000); 294 295 IW_WRITE_GENERAL_2(LDICI, 0x0000); 296 297 while (addr < (16 * 1024 * 1024)) { 298 iw_mempoke(sc, addr, 0x00); 299 addr += RAM_STEP; 300 } 301 302 printf("%s:", device_xname(&sc->sc_dev)); 303 304 for (i = 0; i < 4; i++) { 305 iw_mempoke(sc, base, 0xAA); /* mark start of bank */ 306 iw_mempoke(sc, base + 1L, 0x55); 307 if (iw_mempeek(sc, base) == 0xAA && 308 iw_mempeek(sc, base + 1L) == 0x55) 309 ram = 1; 310 if (ram) { 311 while (cnt < (4 * 1024 * 1024)) { 312 bank[i] += RAM_STEP; 313 cnt += RAM_STEP; 314 addr = base + cnt; 315 if (iw_mempeek(sc, addr) == 0xAA) 316 break; 317 } 318 } 319 if (lpbanks != NULL) { 320 *lpbanks = bank[i]; 321 lpbanks++; 322 } 323 bank[i] = bank[i] >> 10; 324 printf("%s bank[%d]: %ldK", i ? "," : "", i, bank[i]); 325 base += 4 * 1024 * 1024; 326 cnt = 0L; 327 ram = 0; 328 } 329 330 printf("\n"); 331 332 /* 333 * this is not really useful since GUS PnP supports memory 334 * configurations that aren't really supported by Interwave...beware 335 * of holes! Also, we don't use the memory for anything in this 336 * version of the driver. 337 * 338 * we've configured for 4M-4M-4M-4M 339 */ 340 } 341 342 static void 343 iwreset(struct iw_softc *sc, int warm) 344 { 345 u_char reg, cmode, val, mixer_image; 346 347 val = 0; 348 mixer_image = 0; 349 reg = 0; /* XXX gcc -Wall */ 350 351 cmode = 0x6c; /* enhanced codec mode (full duplex) */ 352 353 /* reset */ 354 355 IW_WRITE_GENERAL_1(URSTI, 0x00); 356 delay(10); 357 IW_WRITE_GENERAL_1(URSTI, 0x07); 358 IW_WRITE_GENERAL_1(ICMPTI, 0x1f); /* disable DSP and uici and 359 * udci writes */ 360 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* enable ints to ISA and 361 * codec access */ 362 IW_READ_GENERAL_1(IVERI, reg); 363 IW_WRITE_GENERAL_1(IVERI, reg | 0x01); /* hidden reg lock disable */ 364 IW_WRITE_GENERAL_1(UASBCI, 0x00); 365 366 /* synth enhanced mode (default), 0 active voices, disable ints */ 367 368 IW_WRITE_GENERAL_1(SGMI_WR, 0x01); /* enhanced mode, LFOs 369 * disabled */ 370 for (val = 0; val < 32; val++) { 371 /* set each synth sound volume to 0 */ 372 IW_WRITE_DIRECT_1(sc->p3xr + 2, sc->p3xr_h, val); 373 IW_WRITE_GENERAL_1(SVSI_WR, 0x00); 374 IW_WRITE_GENERAL_2(SASLI_WR, 0x0000); 375 IW_WRITE_GENERAL_2(SASHI_WR, 0x0000); 376 IW_WRITE_GENERAL_2(SAELI_WR, 0x0000); 377 IW_WRITE_GENERAL_2(SAEHI_WR, 0x0000); 378 IW_WRITE_GENERAL_2(SFCI_WR, 0x0000); 379 IW_WRITE_GENERAL_1(SACI_WR, 0x02); 380 IW_WRITE_GENERAL_1(SVSI_WR, 0x00); 381 IW_WRITE_GENERAL_1(SVEI_WR, 0x00); 382 IW_WRITE_GENERAL_2(SVLI_WR, 0x0000); 383 IW_WRITE_GENERAL_1(SVCI_WR, 0x02); 384 IW_WRITE_GENERAL_1(SMSI_WR, 0x02); 385 } 386 387 IW_WRITE_GENERAL_1(SAVI_WR, 0x00); 388 389 /* codec mode/init */ 390 391 /* first change mode to 1 */ 392 393 IW_WRITE_CODEC_1(CMODEI, 0x00); 394 395 /* and mode 3 */ 396 397 IW_WRITE_CODEC_1(CMODEI, cmode); 398 399 IW_READ_CODEC_1(CMODEI, reg); 400 401 DPRINTF(("cmode %x\n", reg)); 402 403 sc->revision = ((reg & 0x80) >> 3) | (reg & 0x0f); 404 405 IW_WRITE_DIRECT_1(sc->codec_index + 2, sc->p2xr_h, 0x00); 406 407 IW_WRITE_CODEC_1(CFIG1I | IW_MCE, 0x00); /* DMA 2 chan access */ 408 IW_WRITE_CODEC_1(CEXTI, 0x00); /* disable ints for now */ 409 410 411 IW_WRITE_CODEC_1(CLPCTI, 0x00); /* reset playback sample counters */ 412 IW_WRITE_CODEC_1(CUPCTI, 0x00); /* always upper byte last */ 413 IW_WRITE_CODEC_1(CFIG2I, 0x80); /* full voltage range, enable record 414 * and playback sample counters, and 415 * don't center output in case or 416 * FIFO underrun */ 417 IW_WRITE_CODEC_1(CFIG3I, 0xc0); /* enable record/playback irq (still 418 * turned off from CEXTI), max DMA 419 * rate */ 420 IW_WRITE_CODEC_1(CSR3I, 0x00); /* clear status 3 reg */ 421 422 423 IW_WRITE_CODEC_1(CLRCTI, 0x00); /* reset record sample counters */ 424 IW_WRITE_CODEC_1(CURCTI, 0x00); /* always upper byte last */ 425 426 427 IW_READ_GENERAL_1(IVERI, reg); 428 429 sc->vers = reg >> 4; 430 if (!warm) 431 snprintf(iw_device.version, sizeof(iw_device.version), "%d.%d", 432 sc->vers, sc->revision); 433 434 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* irqs and codec decode 435 * enable */ 436 437 438 /* ports */ 439 440 if (!warm) { 441 iw_mixer_line_level(sc, IW_LINE_OUT, 255, 255); 442 iw_mixer_line_level(sc, IW_LINE_IN, 0, 0); 443 iw_mixer_line_level(sc, IW_AUX1, 0, 0); 444 iw_mixer_line_level(sc, IW_AUX2, 200, 200); /* CD */ 445 sc->sc_dac.off = 0; 446 iw_mixer_line_level(sc, IW_DAC, 200, 200); 447 448 iw_mixer_line_level(sc, IW_MIC_IN, 0, 0); 449 iw_mixer_line_level(sc, IW_REC, 0, 0); 450 iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0); 451 iw_mixer_line_level(sc, IW_MONO_IN, 0, 0); 452 453 /* mem stuff */ 454 iw_meminit(sc); 455 456 } 457 IW_WRITE_CODEC_1(CEXTI, 0x02); /* codec int enable */ 458 459 /* clear _LDMACI */ 460 461 IW_WRITE_GENERAL_1(LDMACI, 0x00); 462 463 /* enable mixer paths */ 464 mixer_image = 0x0c; 465 IW_WRITE_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image); 466 /* 467 * enable output, line in. disable mic in bit 0 = 0 -> line in on 468 * (from codec?) bit 1 = 0 -> output on bit 2 = 1 -> mic in on bit 3 469 * = 1 -> irq&drq pin enable bit 4 = 1 -> channel interrupts to chan 470 * 1 bit 5 = 1 -> enable midi loop back bit 6 = 0 -> irq latches 471 * URCR[2:0] bit 6 = 1 -> DMA latches URCR[2:0] 472 */ 473 474 475 IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image); 476 #ifdef AUDIO_DEBUG 477 if (!warm) 478 DPRINTF(("mix image %x \n", mixer_image)); 479 #endif 480 } 481 482 struct iw_codec_freq { 483 u_long freq; 484 u_char bits; 485 }; 486 487 int 488 iw_set_speed(struct iw_softc *sc, u_long freq, char in) 489 { 490 u_char var, cfig3, reg; 491 492 static struct iw_codec_freq iw_cf[17] = { 493 #define FREQ_1 24576000 494 #define FREQ_2 16934400 495 #define XTAL1 0 496 #define XTAL2 1 497 {5510, 0x00 | XTAL2}, {6620, 0x0E | XTAL2}, 498 {8000, 0x00 | XTAL1}, {9600, 0x0E | XTAL1}, 499 {11025, 0x02 | XTAL2}, {16000, 0x02 | XTAL1}, 500 {18900, 0x04 | XTAL2}, {22050, 0x06 | XTAL2}, 501 {27420, 0x04 | XTAL1}, {32000, 0x06 | XTAL1}, 502 {33075, 0x0C | XTAL2}, {37800, 0x08 | XTAL2}, 503 {38400, 0x0A | XTAL1}, {44100, 0x0A | XTAL2}, 504 {44800, 0x08 | XTAL1}, {48000, 0x0C | XTAL1}, 505 {48000, 0x0C | XTAL1} /* really a dummy for indexing later */ 506 #undef XTAL1 507 #undef XTAL2 508 }; 509 510 cfig3 = 0; /* XXX gcc -Wall */ 511 512 /* 513 * if the frequency is between 3493 Hz and 32 kHz we can use a more 514 * accurate frequency than the ones listed above base on the formula 515 * FREQ/((16*(48+x))) where FREQ is either FREQ_1 (24576000Hz) or 516 * FREQ_2 (16934400Hz) and x is the value to be written to either 517 * CPVFI or CRVFI. To enable this option, bit 2 in CFIG3 needs to be 518 * set high 519 * 520 * NOT IMPLEMENTED! 521 * 522 * Note that if you have a 'bad' XTAL_1 (higher than 18.5 MHz), 44.8 kHz 523 * and 38.4 kHz modes will provide wrong frequencies to output. 524 */ 525 526 527 if (freq > 48000) 528 freq = 48000; 529 if (freq < 5510) 530 freq = 5510; 531 532 /* reset CFIG3[2] */ 533 534 IW_READ_CODEC_1(CFIG3I, cfig3); 535 536 cfig3 |= 0xc0; /* not full fifo treshhold */ 537 538 DPRINTF(("cfig3i = %x -> ", cfig3)); 539 540 cfig3 &= ~0x04; 541 IW_WRITE_CODEC_1(CFIG3I, cfig3); 542 IW_READ_CODEC_1(CFIG3I, cfig3); 543 544 DPRINTF(("%x\n", cfig3)); 545 546 for (var = 0; var < 16; var++) /* select closest frequency */ 547 if (freq <= iw_cf[var].freq) 548 break; 549 if (var != 16) 550 if (abs(freq - iw_cf[var].freq) > abs(iw_cf[var + 1].freq - freq)) 551 var++; 552 553 if (in) 554 IW_WRITE_CODEC_1(CRDFI | IW_MCE, sc->recfmtbits | iw_cf[var].bits); 555 else 556 IW_WRITE_CODEC_1(CPDFI | IW_MCE, sc->playfmtbits | iw_cf[var].bits); 557 freq = iw_cf[var].freq; 558 DPRINTF(("setting %s frequency to %d bits %x \n", 559 in ? "in" : "out", (int) freq, iw_cf[var].bits)); 560 561 IW_READ_CODEC_1(CPDFI, reg); 562 563 DPRINTF((" CPDFI %x ", reg)); 564 565 IW_READ_CODEC_1(CRDFI, reg); 566 567 DPRINTF((" CRDFI %x ", reg)); 568 569 return freq; 570 } 571 572 /* Encoding. */ 573 int 574 iw_query_encoding(void *addr, audio_encoding_t *fp) 575 { 576 /* 577 * LINEAR, ALAW, ULAW, ADPCM in HW, we'll use linear unsigned 578 * hardware mode for all 8-bit modes due to buggy (?) codec. 579 */ 580 581 /* 582 * except in wavetable synth. there we have only mu-law and 8 and 16 583 * bit linear data 584 */ 585 586 switch (fp->index) { 587 case 0: 588 strcpy(fp->name, AudioEulinear); 589 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 590 fp->precision = 8; 591 fp->flags = 0; 592 break; 593 case 1: 594 strcpy(fp->name, AudioEmulaw); 595 fp->encoding = AUDIO_ENCODING_ULAW; 596 fp->precision = 8; 597 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 598 break; 599 case 2: 600 strcpy(fp->name, AudioEalaw); 601 fp->encoding = AUDIO_ENCODING_ALAW; 602 fp->precision = 8; 603 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 604 break; 605 case 3: 606 strcpy(fp->name, AudioEadpcm); 607 fp->encoding = AUDIO_ENCODING_ADPCM; 608 fp->precision = 8; /* really 4 bit */ 609 fp->flags = 0; 610 break; 611 case 4: 612 strcpy(fp->name, AudioEslinear_le); 613 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 614 fp->precision = 16; 615 fp->flags = 0; 616 break; 617 case 5: 618 strcpy(fp->name, AudioEslinear_be); 619 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 620 fp->precision = 16; 621 fp->flags = 0; 622 break; 623 default: 624 return EINVAL; 625 /* NOTREACHED */ 626 } 627 return 0; 628 } 629 630 u_long 631 iw_set_format(struct iw_softc *sc, u_long precision, int in) 632 { 633 u_char data; 634 int encoding, channels; 635 636 encoding = in ? sc->rec_encoding : sc->play_encoding; 637 channels = in ? sc->rec_channels : sc->play_channels; 638 639 DPRINTF(("iw_set_format\n")); 640 641 switch (encoding) { 642 case AUDIO_ENCODING_ULAW: 643 data = 0x00; 644 break; 645 646 case AUDIO_ENCODING_ALAW: 647 data = 0x00; 648 break; 649 650 case AUDIO_ENCODING_SLINEAR_LE: 651 if (precision == 16) 652 data = 0x40; /* little endian. 0xc0 is big endian */ 653 else 654 data = 0x00; 655 break; 656 657 case AUDIO_ENCODING_SLINEAR_BE: 658 if (precision == 16) 659 data = 0xc0; 660 else 661 data = 0x00; 662 break; 663 664 case AUDIO_ENCODING_ADPCM: 665 data = 0xa0; 666 break; 667 668 default: 669 return -1; 670 } 671 672 if (channels == 2) 673 data |= 0x10; /* stereo */ 674 675 if (in) { 676 /* in */ 677 sc->recfmtbits = data; 678 /* This will zero the normal codec frequency, 679 * iw_set_speed should always be called afterwards. 680 */ 681 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data); 682 } else { 683 /* out */ 684 sc->playfmtbits = data; 685 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data); 686 } 687 688 DPRINTF(("formatbits %s %x", in ? "in" : "out", data)); 689 690 return encoding; 691 } 692 693 int 694 iw_set_params(void *addr, int setmode, int usemode, audio_params_t *p, 695 audio_params_t *q, stream_filter_list_t *pfil, stream_filter_list_t *rfil) 696 { 697 audio_params_t phw, rhw; 698 struct iw_softc *sc; 699 stream_filter_factory_t *swcode; 700 701 DPRINTF(("iw_setparams: code %u, prec %u, rate %u, chan %u\n", 702 p->encoding, p->precision, p->sample_rate, p->channels)); 703 sc = addr; 704 swcode = NULL; 705 phw = *p; 706 rhw = *q; 707 switch (p->encoding) { 708 case AUDIO_ENCODING_ULAW: 709 if (p->precision != 8) 710 return EINVAL; 711 phw.encoding = AUDIO_ENCODING_ULINEAR_LE; 712 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE; 713 swcode = setmode & AUMODE_PLAY ? mulaw_to_linear8 : linear8_to_mulaw; 714 break; 715 case AUDIO_ENCODING_ALAW: 716 if (p->precision != 8) 717 return EINVAL; 718 phw.encoding = AUDIO_ENCODING_ULINEAR_LE; 719 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE; 720 swcode = setmode & AUMODE_PLAY ? alaw_to_linear8 : linear8_to_alaw; 721 break; 722 case AUDIO_ENCODING_ADPCM: 723 if (p->precision != 8) 724 return EINVAL; 725 else 726 break; 727 728 case AUDIO_ENCODING_SLINEAR_LE: 729 case AUDIO_ENCODING_SLINEAR_BE: 730 if (p->precision != 8 && p->precision != 16) 731 return EINVAL; 732 else 733 break; 734 735 default: 736 return EINVAL; 737 738 } 739 740 if (setmode & AUMODE_PLAY) { 741 sc->play_channels = p->channels; 742 sc->play_encoding = p->encoding; 743 sc->play_precision = p->precision; 744 iw_set_format(sc, p->precision, 0); 745 q->sample_rate = p->sample_rate = sc->sc_orate = 746 iw_set_speed(sc, p->sample_rate, 0); 747 if (swcode != NULL) { 748 phw.sample_rate = p->sample_rate; 749 pfil->append(pfil, swcode, &phw); 750 } 751 } else { 752 #if 0 753 q->channels = sc->rec_channels = p->channels; 754 q->encoding = sc->rec_encoding = p->encoding; 755 q->precision = sc->rec_precision = p->precision; 756 #endif 757 sc->rec_channels = q->channels; 758 sc->rec_encoding = q->encoding; 759 sc->rec_precision = q->precision; 760 761 iw_set_format(sc, p->precision, 1); 762 q->sample_rate = sc->sc_irate = 763 iw_set_speed(sc, q->sample_rate, 1); 764 if (swcode != NULL) { 765 rhw.sample_rate = q->sample_rate; 766 rfil->append(rfil, swcode, &rhw); 767 } 768 } 769 return 0; 770 } 771 772 773 int 774 iw_round_blocksize(void *addr, int blk, int mode, 775 const audio_params_t *param) 776 { 777 778 /* Round to a multiple of the biggest sample size. */ 779 return blk &= -4; 780 } 781 782 void 783 iw_mixer_line_level(struct iw_softc *sc, int line, int levl, int levr) 784 { 785 u_char gainl, gainr, attenl, attenr; 786 787 switch (line) { 788 case IW_REC: 789 gainl = sc->sc_recsrcbits | (levl >> 4); 790 gainr = sc->sc_recsrcbits | (levr >> 4); 791 DPRINTF(("recording with %x", gainl)); 792 IW_WRITE_CODEC_1(CLICI, gainl); 793 IW_WRITE_CODEC_1(CRICI, gainr); 794 sc->sc_rec.voll = levl & 0xf0; 795 sc->sc_rec.volr = levr & 0xf0; 796 break; 797 798 case IW_AUX1: 799 800 gainl = (255 - levl) >> 3; 801 gainr = (255 - levr) >> 3; 802 803 /* mute if 0 level */ 804 if (levl == 0) 805 gainl |= 0x80; 806 if (levr == 0) 807 gainr |= 0x80; 808 809 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl); 810 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr); 811 sc->sc_aux1.voll = levl & 0xf8; 812 sc->sc_aux1.volr = levr & 0xf8; 813 814 break; 815 816 case IW_AUX2: 817 818 gainl = (255 - levl) >> 3; 819 gainr = (255 - levr) >> 3; 820 821 /* mute if 0 level */ 822 if (levl == 0) 823 gainl |= 0x80; 824 if (levr == 0) 825 gainr |= 0x80; 826 827 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl); 828 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr); 829 sc->sc_aux2.voll = levl & 0xf8; 830 sc->sc_aux2.volr = levr & 0xf8; 831 break; 832 case IW_DAC: 833 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80); 834 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80); 835 IW_WRITE_CODEC_1(CLDACI, attenl); 836 IW_WRITE_CODEC_1(CRDACI, attenr); 837 sc->sc_dac.voll = levl & 0xfc; 838 sc->sc_dac.volr = levr & 0xfc; 839 break; 840 case IW_LOOPBACK: 841 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0); 842 IW_WRITE_CODEC_1(CLCI, attenl); 843 sc->sc_loopback.voll = levl & 0xfc; 844 break; 845 case IW_LINE_IN: 846 gainl = (levl >> 3) | (levl ? 0 : 0x80); 847 gainr = (levr >> 3) | (levr ? 0 : 0x80); 848 IW_WRITE_CODEC_1(CLLICI, gainl); 849 IW_WRITE_CODEC_1(CRLICI, gainr); 850 sc->sc_linein.voll = levl & 0xf8; 851 sc->sc_linein.volr = levr & 0xf8; 852 break; 853 case IW_MIC_IN: 854 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80); 855 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80); 856 IW_WRITE_CODEC_1(CLMICI, gainl); 857 IW_WRITE_CODEC_1(CRMICI, gainr); 858 sc->sc_mic.voll = levl & 0xf8; 859 sc->sc_mic.volr = levr & 0xf8; 860 break; 861 case IW_LINE_OUT: 862 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80); 863 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80); 864 IW_WRITE_CODEC_1(CLOAI, attenl); 865 IW_WRITE_CODEC_1(CROAI, attenr); 866 sc->sc_lineout.voll = levl & 0xf8; 867 sc->sc_lineout.volr = levr & 0xf8; 868 break; 869 case IW_MONO_IN: 870 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */ 871 IW_WRITE_CODEC_1(CMONOI, attenl); 872 sc->sc_monoin.voll = levl & 0xf0; 873 break; 874 } 875 } 876 877 int 878 iw_commit_settings(void *addr) 879 { 880 881 return 0; 882 } 883 884 void 885 iw_trigger_dma(struct iw_softc *sc, u_char io) 886 { 887 u_char reg; 888 int s; 889 890 s = splaudio(); 891 892 IW_READ_CODEC_1(CSR3I, reg); 893 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20)); 894 895 IW_READ_CODEC_1(CFIG1I, reg); 896 897 IW_WRITE_CODEC_1(CFIG1I, reg | io); 898 899 /* let the counter run */ 900 IW_READ_CODEC_1(CFIG2I, reg); 901 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4)); 902 903 splx(s); 904 } 905 906 void 907 iw_stop_dma(struct iw_softc *sc, u_char io, u_char hard) 908 { 909 u_char reg; 910 911 /* just stop the counter, no need to flush the fifo */ 912 IW_READ_CODEC_1(CFIG2I, reg); 913 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4))); 914 915 if (hard) { 916 /* unless we're closing the device */ 917 IW_READ_CODEC_1(CFIG1I, reg); 918 IW_WRITE_CODEC_1(CFIG1I, reg & ~io); 919 } 920 } 921 922 void 923 iw_dma_count(struct iw_softc *sc, u_short count, int io) 924 { 925 926 if (io == IW_DMA_PLAYBACK) { 927 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff)); 928 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff)); 929 } else { 930 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff)); 931 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff)); 932 } 933 } 934 935 int 936 iw_init_output(addr, sbuf, cc) 937 void *addr; 938 void *sbuf; 939 int cc; 940 { 941 struct iw_softc *sc = (struct iw_softc *) addr; 942 943 DPRINTF(("iw_init_output\n")); 944 945 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sbuf, 946 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT); 947 return 0; 948 } 949 950 int 951 iw_init_input(void *addr, void *sbuf, int cc) 952 { 953 struct iw_softc *sc; 954 955 DPRINTF(("iw_init_input\n")); 956 sc = (struct iw_softc *) addr; 957 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sbuf, 958 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT); 959 return 0; 960 } 961 962 963 int 964 iw_start_output(void *addr, void *p, int cc, void (*intr)(void *), void *arg) 965 { 966 struct iw_softc *sc; 967 968 #ifdef DIAGNOSTIC 969 if (!intr) { 970 printf("iw_start_output: no callback!\n"); 971 return 1; 972 } 973 #endif 974 sc = addr; 975 sc->sc_playintr = intr; 976 sc->sc_playarg = arg; 977 sc->sc_dma_flags |= DMAMODE_WRITE; 978 sc->sc_playdma_bp = p; 979 980 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp, 981 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT); 982 983 984 if (sc->play_encoding == AUDIO_ENCODING_ADPCM) 985 cc >>= 2; 986 if (sc->play_precision == 16) 987 cc >>= 1; 988 989 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM) 990 cc >>= 1; 991 992 cc -= iw_cc; 993 994 /* iw_dma_access(sc,1); */ 995 if (cc != sc->sc_playdma_cnt) { 996 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK); 997 sc->sc_playdma_cnt = cc; 998 999 iw_trigger_dma(sc, IW_DMA_PLAYBACK); 1000 } 1001 1002 #ifdef DIAGNOSTIC 1003 if (outputs != iw_ints) 1004 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints); 1005 outputs++; 1006 #endif 1007 1008 return 0; 1009 } 1010 1011 1012 int 1013 iw_start_input(void *addr, void *p, int cc, void (*intr)(void *), void *arg) 1014 { 1015 struct iw_softc *sc; 1016 1017 #ifdef DIAGNOSTIC 1018 if (!intr) { 1019 printf("iw_start_input: no callback!\n"); 1020 return 1; 1021 } 1022 #endif 1023 sc = addr; 1024 sc->sc_recintr = intr; 1025 sc->sc_recarg = arg; 1026 sc->sc_dma_flags |= DMAMODE_READ; 1027 sc->sc_recdma_bp = p; 1028 1029 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp, 1030 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT); 1031 1032 1033 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM) 1034 cc >>= 2; 1035 if (sc->rec_precision == 16) 1036 cc >>= 1; 1037 1038 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM) 1039 cc >>= 1; 1040 1041 cc -= iw_cc; 1042 1043 /* iw_dma_access(sc,0); */ 1044 if (sc->sc_recdma_cnt != cc) { 1045 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD); 1046 sc->sc_recdma_cnt = cc; 1047 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */ 1048 iw_trigger_dma(sc, IW_DMA_RECORD); 1049 } 1050 1051 #ifdef DIAGNOSTIC 1052 if ((inputs != iw_inints)) 1053 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints); 1054 inputs++; 1055 #endif 1056 1057 return 0; 1058 } 1059 1060 1061 int 1062 iw_halt_output(void *addr) 1063 { 1064 struct iw_softc *sc; 1065 1066 sc = addr; 1067 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0); 1068 return 0; 1069 } 1070 1071 1072 int 1073 iw_halt_input(void *addr) 1074 { 1075 struct iw_softc *sc; 1076 1077 sc = addr; 1078 iw_stop_dma(sc, IW_DMA_RECORD, 0); 1079 return 0; 1080 } 1081 1082 int 1083 iw_speaker_ctl(void *addr, int newstate) 1084 { 1085 struct iw_softc *sc; 1086 u_char reg; 1087 1088 sc = addr; 1089 if (newstate == SPKR_ON) { 1090 sc->sc_dac.off = 0; 1091 IW_READ_CODEC_1(CLDACI, reg); 1092 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f); 1093 IW_READ_CODEC_1(CRDACI, reg); 1094 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f); 1095 } else { 1096 /* SPKR_OFF */ 1097 sc->sc_dac.off = 1; 1098 IW_READ_CODEC_1(CLDACI, reg); 1099 IW_WRITE_CODEC_1(CLDACI, reg | 0x80); 1100 IW_READ_CODEC_1(CRDACI, reg); 1101 IW_WRITE_CODEC_1(CRDACI, reg | 0x80); 1102 } 1103 return 0; 1104 } 1105 1106 int 1107 iw_getdev(void *addr, struct audio_device *retp) 1108 { 1109 1110 *retp = iw_device; 1111 return 0; 1112 } 1113 1114 int 1115 iw_setfd(void *addr, int flag) 1116 { 1117 1118 return 0; 1119 } 1120 1121 /* Mixer (in/out ports) */ 1122 int 1123 iw_set_port(void *addr, mixer_ctrl_t *cp) 1124 { 1125 struct iw_softc *sc; 1126 u_char vall, valr; 1127 int error; 1128 1129 sc = addr; 1130 vall = 0; 1131 valr = 0; 1132 error = EINVAL; 1133 switch (cp->dev) { 1134 case IW_MIC_IN_LVL: 1135 if (cp->type == AUDIO_MIXER_VALUE) { 1136 error = 0; 1137 if (cp->un.value.num_channels == 1) { 1138 vall = valr = cp->un.value.level[0]; 1139 } else { 1140 vall = cp->un.value.level[0]; 1141 valr = cp->un.value.level[1]; 1142 } 1143 sc->sc_mic.voll = vall; 1144 sc->sc_mic.volr = valr; 1145 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr); 1146 } 1147 break; 1148 case IW_AUX1_LVL: 1149 if (cp->type == AUDIO_MIXER_VALUE) { 1150 error = 0; 1151 if (cp->un.value.num_channels == 1) { 1152 vall = valr = cp->un.value.level[0]; 1153 } else { 1154 vall = cp->un.value.level[0]; 1155 valr = cp->un.value.level[1]; 1156 } 1157 sc->sc_aux1.voll = vall; 1158 sc->sc_aux1.volr = valr; 1159 iw_mixer_line_level(sc, IW_AUX1, vall, valr); 1160 } 1161 break; 1162 case IW_AUX2_LVL: 1163 if (cp->type == AUDIO_MIXER_VALUE) { 1164 error = 0; 1165 if (cp->un.value.num_channels == 1) { 1166 vall = valr = cp->un.value.level[0]; 1167 } else { 1168 vall = cp->un.value.level[0]; 1169 valr = cp->un.value.level[1]; 1170 } 1171 sc->sc_aux2.voll = vall; 1172 sc->sc_aux2.volr = valr; 1173 iw_mixer_line_level(sc, IW_AUX2, vall, valr); 1174 } 1175 break; 1176 case IW_LINE_IN_LVL: 1177 if (cp->type == AUDIO_MIXER_VALUE) { 1178 error = 0; 1179 if (cp->un.value.num_channels == 1) { 1180 vall = valr = cp->un.value.level[0]; 1181 } else { 1182 vall = cp->un.value.level[0]; 1183 valr = cp->un.value.level[1]; 1184 } 1185 sc->sc_linein.voll = vall; 1186 sc->sc_linein.volr = valr; 1187 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr); 1188 } 1189 break; 1190 case IW_LINE_OUT_LVL: 1191 if (cp->type == AUDIO_MIXER_VALUE) { 1192 error = 0; 1193 if (cp->un.value.num_channels == 1) { 1194 vall = valr = cp->un.value.level[0]; 1195 } else { 1196 vall = cp->un.value.level[0]; 1197 valr = cp->un.value.level[1]; 1198 } 1199 sc->sc_lineout.voll = vall; 1200 sc->sc_lineout.volr = valr; 1201 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr); 1202 } 1203 break; 1204 case IW_REC_LVL: 1205 if (cp->type == AUDIO_MIXER_VALUE) { 1206 error = 0; 1207 if (cp->un.value.num_channels == 1) { 1208 vall = valr = cp->un.value.level[0]; 1209 } else { 1210 vall = cp->un.value.level[0]; 1211 valr = cp->un.value.level[1]; 1212 } 1213 sc->sc_rec.voll = vall; 1214 sc->sc_rec.volr = valr; 1215 iw_mixer_line_level(sc, IW_REC, vall, valr); 1216 } 1217 break; 1218 1219 case IW_DAC_LVL: 1220 if (cp->type == AUDIO_MIXER_VALUE) { 1221 error = 0; 1222 if (cp->un.value.num_channels == 1) { 1223 vall = valr = cp->un.value.level[0]; 1224 } else { 1225 vall = cp->un.value.level[0]; 1226 valr = cp->un.value.level[1]; 1227 } 1228 sc->sc_dac.voll = vall; 1229 sc->sc_dac.volr = valr; 1230 iw_mixer_line_level(sc, IW_DAC, vall, valr); 1231 } 1232 break; 1233 1234 case IW_LOOPBACK_LVL: 1235 if (cp->type == AUDIO_MIXER_VALUE) { 1236 error = 0; 1237 if (cp->un.value.num_channels != 1) { 1238 return EINVAL; 1239 } else { 1240 valr = vall = cp->un.value.level[0]; 1241 } 1242 sc->sc_loopback.voll = vall; 1243 sc->sc_loopback.volr = valr; 1244 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr); 1245 } 1246 break; 1247 1248 case IW_MONO_IN_LVL: 1249 if (cp->type == AUDIO_MIXER_VALUE) { 1250 error = 0; 1251 if (cp->un.value.num_channels != 1) { 1252 return EINVAL; 1253 } else { 1254 valr = vall = cp->un.value.level[0]; 1255 } 1256 sc->sc_monoin.voll = vall; 1257 sc->sc_monoin.volr = valr; 1258 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr); 1259 } 1260 break; 1261 case IW_RECORD_SOURCE: 1262 error = 0; 1263 sc->sc_recsrcbits = cp->un.ord << 6; 1264 DPRINTF(("record source %d bits %x\n", cp->un.ord, sc->sc_recsrcbits)); 1265 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll, sc->sc_rec.volr); 1266 break; 1267 } 1268 1269 return error; 1270 } 1271 1272 1273 int 1274 iw_get_port(void *addr, mixer_ctrl_t *cp) 1275 { 1276 struct iw_softc *sc; 1277 int error; 1278 1279 sc = addr; 1280 error = EINVAL; 1281 switch (cp->dev) { 1282 case IW_MIC_IN_LVL: 1283 if (cp->type == AUDIO_MIXER_VALUE) { 1284 cp->un.value.num_channels = 2; 1285 cp->un.value.level[0] = sc->sc_mic.voll; 1286 cp->un.value.level[1] = sc->sc_mic.volr; 1287 error = 0; 1288 } 1289 break; 1290 case IW_AUX1_LVL: 1291 if (cp->type == AUDIO_MIXER_VALUE) { 1292 cp->un.value.num_channels = 2; 1293 cp->un.value.level[0] = sc->sc_aux1.voll; 1294 cp->un.value.level[1] = sc->sc_aux1.volr; 1295 error = 0; 1296 } 1297 break; 1298 case IW_AUX2_LVL: 1299 if (cp->type == AUDIO_MIXER_VALUE) { 1300 cp->un.value.num_channels = 2; 1301 cp->un.value.level[0] = sc->sc_aux2.voll; 1302 cp->un.value.level[1] = sc->sc_aux2.volr; 1303 error = 0; 1304 } 1305 break; 1306 case IW_LINE_OUT_LVL: 1307 if (cp->type == AUDIO_MIXER_VALUE) { 1308 cp->un.value.num_channels = 2; 1309 cp->un.value.level[0] = sc->sc_lineout.voll; 1310 cp->un.value.level[1] = sc->sc_lineout.volr; 1311 error = 0; 1312 } 1313 break; 1314 case IW_LINE_IN_LVL: 1315 if (cp->type == AUDIO_MIXER_VALUE) { 1316 cp->un.value.num_channels = 2; 1317 cp->un.value.level[0] = sc->sc_linein.voll; 1318 cp->un.value.level[1] = sc->sc_linein.volr; 1319 error = 0; 1320 } 1321 case IW_REC_LVL: 1322 if (cp->type == AUDIO_MIXER_VALUE) { 1323 cp->un.value.num_channels = 2; 1324 cp->un.value.level[0] = sc->sc_rec.voll; 1325 cp->un.value.level[1] = sc->sc_rec.volr; 1326 error = 0; 1327 } 1328 break; 1329 1330 case IW_DAC_LVL: 1331 if (cp->type == AUDIO_MIXER_VALUE) { 1332 cp->un.value.num_channels = 2; 1333 cp->un.value.level[0] = sc->sc_dac.voll; 1334 cp->un.value.level[1] = sc->sc_dac.volr; 1335 error = 0; 1336 } 1337 break; 1338 1339 case IW_LOOPBACK_LVL: 1340 if (cp->type == AUDIO_MIXER_VALUE) { 1341 cp->un.value.num_channels = 1; 1342 cp->un.value.level[0] = sc->sc_loopback.voll; 1343 error = 0; 1344 } 1345 break; 1346 1347 case IW_MONO_IN_LVL: 1348 if (cp->type == AUDIO_MIXER_VALUE) { 1349 cp->un.value.num_channels = 1; 1350 cp->un.value.level[0] = sc->sc_monoin.voll; 1351 error = 0; 1352 } 1353 break; 1354 case IW_RECORD_SOURCE: 1355 cp->un.ord = sc->sc_recsrcbits >> 6; 1356 error = 0; 1357 break; 1358 } 1359 1360 return error; 1361 } 1362 1363 1364 1365 int 1366 iw_query_devinfo(void *addr, mixer_devinfo_t *dip) 1367 { 1368 1369 switch (dip->index) { 1370 case IW_MIC_IN_LVL: /* Microphone */ 1371 dip->type = AUDIO_MIXER_VALUE; 1372 dip->mixer_class = IW_INPUT_CLASS; 1373 dip->prev = AUDIO_MIXER_LAST; 1374 dip->next = AUDIO_MIXER_LAST; 1375 strcpy(dip->label.name, AudioNmicrophone); 1376 dip->un.v.num_channels = 2; 1377 strcpy(dip->un.v.units.name, AudioNvolume); 1378 break; 1379 case IW_AUX1_LVL: 1380 dip->type = AUDIO_MIXER_VALUE; 1381 dip->mixer_class = IW_INPUT_CLASS; 1382 dip->prev = AUDIO_MIXER_LAST; 1383 dip->next = AUDIO_MIXER_LAST; 1384 strcpy(dip->label.name, AudioNline); 1385 dip->un.v.num_channels = 2; 1386 strcpy(dip->un.v.units.name, AudioNvolume); 1387 break; 1388 case IW_AUX2_LVL: 1389 dip->type = AUDIO_MIXER_VALUE; 1390 dip->mixer_class = IW_INPUT_CLASS; 1391 dip->prev = AUDIO_MIXER_LAST; 1392 dip->next = AUDIO_MIXER_LAST; 1393 strcpy(dip->label.name, AudioNcd); 1394 dip->un.v.num_channels = 2; 1395 strcpy(dip->un.v.units.name, AudioNvolume); 1396 break; 1397 case IW_LINE_OUT_LVL: 1398 dip->type = AUDIO_MIXER_VALUE; 1399 dip->mixer_class = IW_OUTPUT_CLASS; 1400 dip->prev = AUDIO_MIXER_LAST; 1401 dip->next = AUDIO_MIXER_LAST; 1402 strcpy(dip->label.name, AudioNline); 1403 dip->un.v.num_channels = 2; 1404 strcpy(dip->un.v.units.name, AudioNvolume); 1405 break; 1406 case IW_DAC_LVL: 1407 dip->type = AUDIO_MIXER_VALUE; 1408 dip->mixer_class = IW_OUTPUT_CLASS; 1409 dip->prev = AUDIO_MIXER_LAST; 1410 dip->next = AUDIO_MIXER_LAST; 1411 strcpy(dip->label.name, AudioNdac); 1412 dip->un.v.num_channels = 2; 1413 strcpy(dip->un.v.units.name, AudioNvolume); 1414 break; 1415 case IW_LINE_IN_LVL: 1416 dip->type = AUDIO_MIXER_VALUE; 1417 dip->mixer_class = IW_INPUT_CLASS; 1418 dip->prev = AUDIO_MIXER_LAST; 1419 dip->next = AUDIO_MIXER_LAST; 1420 strcpy(dip->label.name, AudioNinput); 1421 dip->un.v.num_channels = 2; 1422 strcpy(dip->un.v.units.name, AudioNvolume); 1423 break; 1424 case IW_MONO_IN_LVL: 1425 dip->type = AUDIO_MIXER_VALUE; 1426 dip->mixer_class = IW_INPUT_CLASS; 1427 dip->prev = AUDIO_MIXER_LAST; 1428 dip->next = AUDIO_MIXER_LAST; 1429 strcpy(dip->label.name, AudioNmono); 1430 dip->un.v.num_channels = 1; 1431 strcpy(dip->un.v.units.name, AudioNvolume); 1432 break; 1433 1434 case IW_REC_LVL: /* record level */ 1435 dip->type = AUDIO_MIXER_VALUE; 1436 dip->mixer_class = IW_RECORD_CLASS; 1437 dip->prev = AUDIO_MIXER_LAST; 1438 dip->next = AUDIO_MIXER_LAST; 1439 strcpy(dip->label.name, AudioNrecord); 1440 dip->un.v.num_channels = 2; 1441 strcpy(dip->un.v.units.name, AudioNvolume); 1442 break; 1443 1444 case IW_LOOPBACK_LVL: 1445 dip->type = AUDIO_MIXER_VALUE; 1446 dip->mixer_class = IW_RECORD_CLASS; 1447 dip->prev = AUDIO_MIXER_LAST; 1448 dip->next = AUDIO_MIXER_LAST; 1449 strcpy(dip->label.name, "filter"); 1450 dip->un.v.num_channels = 1; 1451 strcpy(dip->un.v.units.name, AudioNvolume); 1452 break; 1453 1454 case IW_RECORD_SOURCE: 1455 dip->mixer_class = IW_RECORD_CLASS; 1456 dip->type = AUDIO_MIXER_ENUM; 1457 dip->prev = AUDIO_MIXER_LAST; 1458 dip->next = AUDIO_MIXER_LAST; 1459 strcpy(dip->label.name, AudioNsource); 1460 dip->un.e.num_mem = 4; 1461 strcpy(dip->un.e.member[0].label.name, AudioNline); 1462 dip->un.e.member[0].ord = IW_LINE_IN_SRC; 1463 strcpy(dip->un.e.member[1].label.name, "aux1"); 1464 dip->un.e.member[1].ord = IW_AUX1_SRC; 1465 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone); 1466 dip->un.e.member[2].ord = IW_MIC_IN_SRC; 1467 strcpy(dip->un.e.member[3].label.name, AudioNmixerout); 1468 dip->un.e.member[3].ord = IW_MIX_OUT_SRC; 1469 break; 1470 case IW_INPUT_CLASS: 1471 dip->type = AUDIO_MIXER_CLASS; 1472 dip->mixer_class = IW_INPUT_CLASS; 1473 dip->next = dip->prev = AUDIO_MIXER_LAST; 1474 strcpy(dip->label.name, AudioCinputs); 1475 break; 1476 case IW_OUTPUT_CLASS: 1477 dip->type = AUDIO_MIXER_CLASS; 1478 dip->mixer_class = IW_OUTPUT_CLASS; 1479 dip->next = dip->prev = AUDIO_MIXER_LAST; 1480 strcpy(dip->label.name, AudioCoutputs); 1481 break; 1482 case IW_RECORD_CLASS: /* record source class */ 1483 dip->type = AUDIO_MIXER_CLASS; 1484 dip->mixer_class = IW_RECORD_CLASS; 1485 dip->next = dip->prev = AUDIO_MIXER_LAST; 1486 strcpy(dip->label.name, AudioCrecord); 1487 return 0; 1488 default: 1489 return ENXIO; 1490 } 1491 return 0; 1492 } 1493 1494 1495 void * 1496 iw_malloc(void *addr, int direction, size_t size, 1497 struct malloc_type *pool, int flags) 1498 { 1499 struct iw_softc *sc; 1500 int drq; 1501 1502 sc = addr; 1503 if (direction == AUMODE_PLAY) 1504 drq = sc->sc_playdrq; 1505 else 1506 drq = sc->sc_recdrq; 1507 return isa_malloc(sc->sc_ic, drq, size, pool, flags); 1508 } 1509 1510 void 1511 iw_free(void *addr, void *ptr, struct malloc_type *pool) 1512 { 1513 isa_free(ptr, pool); 1514 } 1515 1516 size_t 1517 iw_round_buffersize(void *addr, int direction, size_t size) 1518 { 1519 struct iw_softc *sc; 1520 bus_size_t maxsize; 1521 1522 sc = addr; 1523 if (direction == AUMODE_PLAY) 1524 maxsize = sc->sc_play_maxsize; 1525 else 1526 maxsize = sc->sc_rec_maxsize; 1527 1528 if (size > maxsize) 1529 size = maxsize; 1530 return size; 1531 } 1532 1533 paddr_t 1534 iw_mappage(void *addr, void *mem, off_t off, int prot) 1535 { 1536 1537 return isa_mappage(mem, off, prot); 1538 } 1539 1540 int 1541 iw_get_props(void *addr) 1542 { 1543 struct iw_softc *sc; 1544 1545 sc = addr; 1546 return AUDIO_PROP_MMAP | 1547 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0); 1548 } 1549