1 /* $NetBSD: interwave.c,v 1.26 2005/05/30 04:43:46 christos 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 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: interwave.c,v 1.26 2005/05/30 04:43:46 christos Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/errno.h> 44 #include <sys/ioctl.h> 45 #include <sys/syslog.h> 46 #include <sys/device.h> 47 #include <sys/proc.h> 48 #include <sys/buf.h> 49 #include <sys/fcntl.h> 50 #include <sys/malloc.h> 51 #include <sys/kernel.h> 52 53 #include <machine/cpu.h> 54 #include <machine/intr.h> 55 #include <machine/pio.h> 56 #include <sys/audioio.h> 57 #include <dev/audio_if.h> 58 #include <dev/mulaw.h> 59 60 #include <dev/isa/isavar.h> 61 #include <dev/isa/isadmavar.h> 62 63 #include <dev/ic/interwavereg.h> 64 #include <dev/ic/interwavevar.h> 65 66 67 static void iwreset(struct iw_softc *, int); 68 69 static int iw_set_speed(struct iw_softc *, u_long, char); 70 static u_long iw_set_format(struct iw_softc *, u_long, int); 71 static void iw_mixer_line_level(struct iw_softc *, int, int, int); 72 static void iw_trigger_dma(struct iw_softc *, u_char); 73 static void iw_stop_dma(struct iw_softc *, u_char, u_char); 74 static void iw_dma_count(struct iw_softc *, u_short, int); 75 static int iwintr(void *); 76 static void iw_meminit(struct iw_softc *); 77 static void iw_mempoke(struct iw_softc *, u_long, u_char); 78 static u_char iw_mempeek(struct iw_softc *, u_long); 79 80 #ifdef USE_WAVETABLE 81 static void iw_set_voice_place(struct iw_softc *, u_char, u_long); 82 static void iw_voice_pan(struct iw_softc *, u_char, u_short, u_short); 83 static void iw_voice_freq(struct iw_softc *, u_char, u_long); 84 static void iw_set_loopmode(struct iw_softc *, u_char, u_char, u_char); 85 static void iw_set_voice_pos(struct iw_softc *, u_short, u_long, u_long); 86 static void iw_start_voice(struct iw_softc *, u_char); 87 static void iw_play_voice(struct iw_softc *, u_long, u_long, u_short); 88 static void iw_stop_voice(struct iw_softc *, u_char); 89 static void iw_move_voice_end(struct iw_softc *, u_short, u_long); 90 static void iw_initvoices(struct iw_softc *); 91 #endif 92 93 struct audio_device iw_device = { 94 "Am78C201", 95 "0.1", 96 "guspnp" 97 }; 98 99 #ifdef AUDIO_DEBUG 100 int iw_debug; 101 #define DPRINTF(p) if (iw_debug) printf p 102 #else 103 #define DPRINTF(p) 104 #endif 105 106 static int iw_cc = 1; 107 #ifdef DIAGNOSTIC 108 static int outputs = 0; 109 static int iw_ints = 0; 110 static int inputs = 0; 111 static int iw_inints = 0; 112 #endif 113 114 int 115 iwintr(void *arg) 116 { 117 struct iw_softc *sc; 118 int val; 119 u_char intrs; 120 121 sc = arg; 122 val = 0; 123 intrs = 0; 124 IW_READ_DIRECT_1(6, sc->p2xr_h, intrs); /* UISR */ 125 126 /* codec ints */ 127 128 /* 129 * The proper order to do this seems to be to read CSR3 to get the 130 * int cause and fifo over underrrun status, then deal with the ints 131 * (new DMA set up), and to clear ints by writing the respective bit 132 * to 0. 133 */ 134 135 /* read what ints happened */ 136 137 IW_READ_CODEC_1(CSR3I, intrs); 138 139 /* clear them */ 140 141 IW_WRITE_DIRECT_1(2, sc->codec_index_h, 0x00); 142 143 /* and process them */ 144 145 if (intrs & 0x20) { 146 #ifdef DIAGNOSTIC 147 iw_inints++; 148 #endif 149 if (sc->sc_recintr != 0) 150 sc->sc_recintr(sc->sc_recarg); 151 val = 1; 152 } 153 if (intrs & 0x10) { 154 #ifdef DIAGNOSTIC 155 iw_ints++; 156 #endif 157 if (sc->sc_playintr != 0) 158 sc->sc_playintr(sc->sc_playarg); 159 val = 1; 160 } 161 return val; 162 163 } 164 165 void 166 iwattach(struct iw_softc *sc) 167 { 168 int got_irq; 169 170 DPRINTF(("iwattach sc %p\n", sc)); 171 got_irq = 0; 172 173 sc->cdatap = 1; /* relative offsets in region */ 174 sc->csr1r = 2; 175 sc->cxdr = 3; /* CPDR or CRDR */ 176 177 sc->gmxr = 0; /* sc->p3xr */ 178 sc->gmxdr = 1; /* GMTDR or GMRDR */ 179 sc->svsr = 2; 180 sc->igidxr = 3; 181 sc->i16dp = 4; 182 sc->i8dp = 5; 183 sc->lmbdr = 7; 184 185 sc->rec_precision = sc->play_precision = 8; 186 sc->rec_channels = sc->play_channels = 1; 187 sc->rec_encoding = sc->play_encoding = AUDIO_ENCODING_ULAW; 188 sc->sc_irate = 8000; 189 sc->sc_orate = 8000; 190 191 sc->sc_fullduplex = 1; 192 193 sc->sc_dma_flags = 0; 194 195 /* 196 * We can only use a few selected irqs, see if we got one from pnp 197 * code that suits us. 198 */ 199 200 if (sc->sc_irq > 0) { 201 sc->sc_ih = isa_intr_establish(sc->sc_p2xr_ic, 202 sc->sc_irq, IST_EDGE, IPL_AUDIO, iwintr, sc); 203 got_irq = 1; 204 } 205 if (!got_irq) { 206 printf("\niwattach: couldn't get a suitable irq\n"); 207 return; 208 } 209 printf("\n"); 210 iwreset(sc, 0); 211 iw_set_format(sc, AUDIO_ENCODING_ULAW, 0); 212 iw_set_format(sc, AUDIO_ENCODING_ULAW, 1); 213 printf("%s: interwave version %s\n", 214 sc->sc_dev.dv_xname, iw_device.version); 215 audio_attach_mi(sc->iw_hw_if, sc, &sc->sc_dev); 216 } 217 218 int 219 iwopen(struct iw_softc *sc, int flags) 220 { 221 222 DPRINTF(("iwopen: sc %p\n", sc)); 223 224 #ifdef DIAGNOSTIC 225 outputs = 0; 226 iw_ints = 0; 227 inputs = 0; 228 iw_inints = 0; 229 #endif 230 231 iwreset(sc, 1); 232 233 return 0; 234 } 235 236 void 237 iwclose(void *addr) 238 { 239 240 DPRINTF(("iwclose sc %p\n", addr)); 241 #ifdef DIAGNOSTIC 242 DPRINTF(("iwclose: outputs %d ints %d inputs %d in_ints %d\n", 243 outputs, iw_ints, inputs, iw_inints)); 244 #endif 245 } 246 247 #define RAM_STEP 64*1024 248 249 static void 250 iw_mempoke(struct iw_softc *sc, u_long addy, u_char val) 251 { 252 253 IW_WRITE_GENERAL_2(LMALI, (u_short) addy); 254 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16)); 255 256 /* Write byte to LMBDR */ 257 IW_WRITE_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, val); 258 } 259 260 static u_char 261 iw_mempeek(struct iw_softc *sc, u_long addy) 262 { 263 u_char ret; 264 265 IW_WRITE_GENERAL_2(LMALI, (u_short) addy); 266 IW_WRITE_GENERAL_1(LMAHI, (u_char) (addy >> 16)); 267 268 IW_READ_DIRECT_1(sc->p3xr + 7, sc->p3xr_h, ret); 269 return ret; /* return byte from LMBDR */ 270 } 271 272 static void 273 iw_meminit(struct iw_softc *sc) 274 { 275 u_long bank[4] = {0L, 0L, 0L, 0L}; 276 u_long addr, base, cnt; 277 u_char i, ram /* ,memval=0 */ ; 278 u_short lmcfi; 279 u_long temppi; 280 u_long *lpbanks; 281 282 addr = 0L; 283 base = 0L; 284 cnt = 0L; 285 ram = 0; 286 lpbanks = &temppi; 287 288 IW_WRITE_GENERAL_1(LDMACI, 0x00); 289 290 IW_READ_GENERAL_2(LMCFI, lmcfi); /* 0x52 */ 291 lmcfi |= 0x0A0C; 292 IW_WRITE_GENERAL_2(LMCFI, lmcfi); /* max addr span */ 293 IW_WRITE_GENERAL_1(LMCI, 0x00); 294 295 /* fifo addresses */ 296 297 IW_WRITE_GENERAL_2(LMRFAI, ((4 * 1024 * 1024) >> 8)); 298 IW_WRITE_GENERAL_2(LMPFAI, ((4 * 1024 * 1024 + 16 * 1024) >> 8)); 299 300 IW_WRITE_GENERAL_2(LMFSI, 0x000); 301 302 IW_WRITE_GENERAL_2(LDICI, 0x0000); 303 304 while (addr < (16 * 1024 * 1024)) { 305 iw_mempoke(sc, addr, 0x00); 306 addr += RAM_STEP; 307 } 308 309 printf("%s:", sc->sc_dev.dv_xname); 310 311 for (i = 0; i < 4; i++) { 312 iw_mempoke(sc, base, 0xAA); /* mark start of bank */ 313 iw_mempoke(sc, base + 1L, 0x55); 314 if (iw_mempeek(sc, base) == 0xAA && 315 iw_mempeek(sc, base + 1L) == 0x55) 316 ram = 1; 317 if (ram) { 318 while (cnt < (4 * 1024 * 1024)) { 319 bank[i] += RAM_STEP; 320 cnt += RAM_STEP; 321 addr = base + cnt; 322 if (iw_mempeek(sc, addr) == 0xAA) 323 break; 324 } 325 } 326 if (lpbanks != NULL) { 327 *lpbanks = bank[i]; 328 lpbanks++; 329 } 330 bank[i] = bank[i] >> 10; 331 printf("%s bank[%d]: %ldK", i ? "," : "", i, bank[i]); 332 base += 4 * 1024 * 1024; 333 cnt = 0L; 334 ram = 0; 335 } 336 337 printf("\n"); 338 339 /* 340 * this is not really useful since GUS PnP supports memory 341 * configurations that aren't really supported by Interwave...beware 342 * of holes! Also, we don't use the memory for anything in this 343 * version of the driver. 344 * 345 * we've configured for 4M-4M-4M-4M 346 */ 347 } 348 349 static void 350 iwreset(struct iw_softc *sc, int warm) 351 { 352 u_char reg, cmode, val, mixer_image; 353 354 val = 0; 355 mixer_image = 0; 356 reg = 0; /* XXX gcc -Wall */ 357 358 cmode = 0x6c; /* enhanced codec mode (full duplex) */ 359 360 /* reset */ 361 362 IW_WRITE_GENERAL_1(URSTI, 0x00); 363 delay(10); 364 IW_WRITE_GENERAL_1(URSTI, 0x07); 365 IW_WRITE_GENERAL_1(ICMPTI, 0x1f); /* disable DSP and uici and 366 * udci writes */ 367 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* enable ints to ISA and 368 * codec access */ 369 IW_READ_GENERAL_1(IVERI, reg); 370 IW_WRITE_GENERAL_1(IVERI, reg | 0x01); /* hidden reg lock disable */ 371 IW_WRITE_GENERAL_1(UASBCI, 0x00); 372 373 /* synth enhanced mode (default), 0 active voices, disable ints */ 374 375 IW_WRITE_GENERAL_1(SGMI_WR, 0x01); /* enhanced mode, LFOs 376 * disabled */ 377 for (val = 0; val < 32; val++) { 378 /* set each synth sound volume to 0 */ 379 IW_WRITE_DIRECT_1(sc->p3xr + 2, sc->p3xr_h, val); 380 IW_WRITE_GENERAL_1(SVSI_WR, 0x00); 381 IW_WRITE_GENERAL_2(SASLI_WR, 0x0000); 382 IW_WRITE_GENERAL_2(SASHI_WR, 0x0000); 383 IW_WRITE_GENERAL_2(SAELI_WR, 0x0000); 384 IW_WRITE_GENERAL_2(SAEHI_WR, 0x0000); 385 IW_WRITE_GENERAL_2(SFCI_WR, 0x0000); 386 IW_WRITE_GENERAL_1(SACI_WR, 0x02); 387 IW_WRITE_GENERAL_1(SVSI_WR, 0x00); 388 IW_WRITE_GENERAL_1(SVEI_WR, 0x00); 389 IW_WRITE_GENERAL_2(SVLI_WR, 0x0000); 390 IW_WRITE_GENERAL_1(SVCI_WR, 0x02); 391 IW_WRITE_GENERAL_1(SMSI_WR, 0x02); 392 } 393 394 IW_WRITE_GENERAL_1(SAVI_WR, 0x00); 395 396 /* codec mode/init */ 397 398 /* first change mode to 1 */ 399 400 IW_WRITE_CODEC_1(CMODEI, 0x00); 401 402 /* and mode 3 */ 403 404 IW_WRITE_CODEC_1(CMODEI, cmode); 405 406 IW_READ_CODEC_1(CMODEI, reg); 407 408 DPRINTF(("cmode %x\n", reg)); 409 410 sc->revision = ((reg & 0x80) >> 3) | (reg & 0x0f); 411 412 IW_WRITE_DIRECT_1(sc->codec_index + 2, sc->p2xr_h, 0x00); 413 414 IW_WRITE_CODEC_1(CFIG1I | IW_MCE, 0x00); /* DMA 2 chan access */ 415 IW_WRITE_CODEC_1(CEXTI, 0x00); /* disable ints for now */ 416 417 418 IW_WRITE_CODEC_1(CLPCTI, 0x00); /* reset playback sample counters */ 419 IW_WRITE_CODEC_1(CUPCTI, 0x00); /* always upper byte last */ 420 IW_WRITE_CODEC_1(CFIG2I, 0x80); /* full voltage range, enable record 421 * and playback sample counters, and 422 * don't center output in case or 423 * FIFO underrun */ 424 IW_WRITE_CODEC_1(CFIG3I, 0xc0); /* enable record/playback irq (still 425 * turned off from CEXTI), max DMA 426 * rate */ 427 IW_WRITE_CODEC_1(CSR3I, 0x00); /* clear status 3 reg */ 428 429 430 IW_WRITE_CODEC_1(CLRCTI, 0x00); /* reset record sample counters */ 431 IW_WRITE_CODEC_1(CURCTI, 0x00); /* always upper byte last */ 432 433 434 IW_READ_GENERAL_1(IVERI, reg); 435 436 sc->vers = reg >> 4; 437 if (!warm) 438 snprintf(iw_device.version, sizeof(iw_device.version), "%d.%d", 439 sc->vers, sc->revision); 440 441 IW_WRITE_GENERAL_1(IDECI, 0x7f); /* irqs and codec decode 442 * enable */ 443 444 445 /* ports */ 446 447 if (!warm) { 448 iw_mixer_line_level(sc, IW_LINE_OUT, 255, 255); 449 iw_mixer_line_level(sc, IW_LINE_IN, 0, 0); 450 iw_mixer_line_level(sc, IW_AUX1, 0, 0); 451 iw_mixer_line_level(sc, IW_AUX2, 200, 200); /* CD */ 452 sc->sc_dac.off = 0; 453 iw_mixer_line_level(sc, IW_DAC, 200, 200); 454 455 iw_mixer_line_level(sc, IW_MIC_IN, 0, 0); 456 iw_mixer_line_level(sc, IW_REC, 0, 0); 457 iw_mixer_line_level(sc, IW_LOOPBACK, 0, 0); 458 iw_mixer_line_level(sc, IW_MONO_IN, 0, 0); 459 460 /* mem stuff */ 461 iw_meminit(sc); 462 463 } 464 IW_WRITE_CODEC_1(CEXTI, 0x02); /* codec int enable */ 465 466 /* clear _LDMACI */ 467 468 IW_WRITE_GENERAL_1(LDMACI, 0x00); 469 470 /* enable mixer paths */ 471 mixer_image = 0x0c; 472 IW_WRITE_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image); 473 /* 474 * enable output, line in. disable mic in bit 0 = 0 -> line in on 475 * (from codec?) bit 1 = 0 -> output on bit 2 = 1 -> mic in on bit 3 476 * = 1 -> irq&drq pin enable bit 4 = 1 -> channel interrupts to chan 477 * 1 bit 5 = 1 -> enable midi loop back bit 6 = 0 -> irq latches 478 * URCR[2:0] bit 6 = 1 -> DMA latches URCR[2:0] 479 */ 480 481 482 IW_READ_DIRECT_1(sc->p2xr, sc->p2xr_h, mixer_image); 483 #ifdef AUDIO_DEBUG 484 if (!warm) 485 DPRINTF(("mix image %x \n", mixer_image)); 486 #endif 487 } 488 489 struct iw_codec_freq { 490 u_long freq; 491 u_char bits; 492 }; 493 494 int 495 iw_set_speed(struct iw_softc *sc, u_long freq, char in) 496 { 497 u_char var, cfig3, reg; 498 499 static struct iw_codec_freq iw_cf[17] = { 500 #define FREQ_1 24576000 501 #define FREQ_2 16934400 502 #define XTAL1 0 503 #define XTAL2 1 504 {5510, 0x00 | XTAL2}, {6620, 0x0E | XTAL2}, 505 {8000, 0x00 | XTAL1}, {9600, 0x0E | XTAL1}, 506 {11025, 0x02 | XTAL2}, {16000, 0x02 | XTAL1}, 507 {18900, 0x04 | XTAL2}, {22050, 0x06 | XTAL2}, 508 {27420, 0x04 | XTAL1}, {32000, 0x06 | XTAL1}, 509 {33075, 0x0C | XTAL2}, {37800, 0x08 | XTAL2}, 510 {38400, 0x0A | XTAL1}, {44100, 0x0A | XTAL2}, 511 {44800, 0x08 | XTAL1}, {48000, 0x0C | XTAL1}, 512 {48000, 0x0C | XTAL1} /* really a dummy for indexing later */ 513 #undef XTAL1 514 #undef XTAL2 515 }; 516 517 cfig3 = 0; /* XXX gcc -Wall */ 518 519 /* 520 * if the frequency is between 3493Hz and 32KHz we can use a more 521 * accurate frequency than the ones listed above base on the formula 522 * FREQ/((16*(48+x))) where FREQ is either FREQ_1 (24576000Hz) or 523 * FREQ_2 (16934400Hz) and x is the value to be written to either 524 * CPVFI or CRVFI. To enable this option, bit 2 in CFIG3 needs to be 525 * set high 526 * 527 * NOT IMPLEMENTED! 528 * 529 * Note that if you have a 'bad' XTAL_1 (higher than 18.5 MHz), 44.8KHz 530 * and 38.4KHz modes will provide wrong frequencies to output. 531 */ 532 533 534 if (freq > 48000) 535 freq = 48000; 536 if (freq < 5510) 537 freq = 5510; 538 539 /* reset CFIG3[2] */ 540 541 IW_READ_CODEC_1(CFIG3I, cfig3); 542 543 cfig3 |= 0xc0; /* not full fifo treshhold */ 544 545 DPRINTF(("cfig3i = %x -> ", cfig3)); 546 547 cfig3 &= ~0x04; 548 IW_WRITE_CODEC_1(CFIG3I, cfig3); 549 IW_READ_CODEC_1(CFIG3I, cfig3); 550 551 DPRINTF(("%x\n", cfig3)); 552 553 for (var = 0; var < 16; var++) /* select closest frequency */ 554 if (freq <= iw_cf[var].freq) 555 break; 556 if (var != 16) 557 if (abs(freq - iw_cf[var].freq) > abs(iw_cf[var + 1].freq - freq)) 558 var++; 559 560 if (in) 561 IW_WRITE_CODEC_1(CRDFI | IW_MCE, sc->recfmtbits | iw_cf[var].bits); 562 else 563 IW_WRITE_CODEC_1(CPDFI | IW_MCE, sc->playfmtbits | iw_cf[var].bits); 564 freq = iw_cf[var].freq; 565 DPRINTF(("setting %s frequency to %d bits %x \n", 566 in ? "in" : "out", (int) freq, iw_cf[var].bits)); 567 568 IW_READ_CODEC_1(CPDFI, reg); 569 570 DPRINTF((" CPDFI %x ", reg)); 571 572 IW_READ_CODEC_1(CRDFI, reg); 573 574 DPRINTF((" CRDFI %x ", reg)); 575 576 return freq; 577 } 578 579 /* Encoding. */ 580 int 581 iw_query_encoding(void *addr, audio_encoding_t *fp) 582 { 583 /* 584 * LINEAR, ALAW, ULAW, ADPCM in HW, we'll use linear unsigned 585 * hardware mode for all 8-bit modes due to buggy (?) codec. 586 */ 587 588 /* 589 * except in wavetable synth. there we have only mu-law and 8 and 16 590 * bit linear data 591 */ 592 593 switch (fp->index) { 594 case 0: 595 strcpy(fp->name, AudioEulinear); 596 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 597 fp->precision = 8; 598 fp->flags = 0; 599 break; 600 case 1: 601 strcpy(fp->name, AudioEmulaw); 602 fp->encoding = AUDIO_ENCODING_ULAW; 603 fp->precision = 8; 604 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 605 break; 606 case 2: 607 strcpy(fp->name, AudioEalaw); 608 fp->encoding = AUDIO_ENCODING_ALAW; 609 fp->precision = 8; 610 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 611 break; 612 case 3: 613 strcpy(fp->name, AudioEadpcm); 614 fp->encoding = AUDIO_ENCODING_ADPCM; 615 fp->precision = 8; /* really 4 bit */ 616 fp->flags = 0; 617 break; 618 case 4: 619 strcpy(fp->name, AudioEslinear_le); 620 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 621 fp->precision = 16; 622 fp->flags = 0; 623 break; 624 case 5: 625 strcpy(fp->name, AudioEslinear_be); 626 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 627 fp->precision = 16; 628 fp->flags = 0; 629 break; 630 default: 631 return EINVAL; 632 /* NOTREACHED */ 633 } 634 return 0; 635 } 636 637 u_long 638 iw_set_format(struct iw_softc *sc, u_long precision, int in) 639 { 640 u_char data; 641 int encoding, channels; 642 643 encoding = in ? sc->rec_encoding : sc->play_encoding; 644 channels = in ? sc->rec_channels : sc->play_channels; 645 646 DPRINTF(("iw_set_format\n")); 647 648 switch (encoding) { 649 case AUDIO_ENCODING_ULAW: 650 data = 0x00; 651 break; 652 653 case AUDIO_ENCODING_ALAW: 654 data = 0x00; 655 break; 656 657 case AUDIO_ENCODING_SLINEAR_LE: 658 if (precision == 16) 659 data = 0x40; /* little endian. 0xc0 is big endian */ 660 else 661 data = 0x00; 662 break; 663 664 case AUDIO_ENCODING_SLINEAR_BE: 665 if (precision == 16) 666 data = 0xc0; 667 else 668 data = 0x00; 669 break; 670 671 case AUDIO_ENCODING_ADPCM: 672 data = 0xa0; 673 break; 674 675 default: 676 return -1; 677 } 678 679 if (channels == 2) 680 data |= 0x10; /* stereo */ 681 682 if (in) { 683 /* in */ 684 sc->recfmtbits = data; 685 /* This will zero the normal codec frequency, 686 * iw_set_speed should always be called afterwards. 687 */ 688 IW_WRITE_CODEC_1(CRDFI | IW_MCE, data); 689 } else { 690 /* out */ 691 sc->playfmtbits = data; 692 IW_WRITE_CODEC_1(CPDFI | IW_MCE, data); 693 } 694 695 DPRINTF(("formatbits %s %x", in ? "in" : "out", data)); 696 697 return encoding; 698 } 699 700 int 701 iw_set_params(void *addr, int setmode, int usemode, audio_params_t *p, 702 audio_params_t *q, stream_filter_list_t *pfil, stream_filter_list_t *rfil) 703 { 704 audio_params_t phw, rhw; 705 struct iw_softc *sc; 706 stream_filter_factory_t *swcode; 707 708 DPRINTF(("iw_setparams: code %u, prec %u, rate %u, chan %u\n", 709 p->encoding, p->precision, p->sample_rate, p->channels)); 710 sc = addr; 711 swcode = NULL; 712 phw = *p; 713 rhw = *q; 714 switch (p->encoding) { 715 case AUDIO_ENCODING_ULAW: 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 ? mulaw_to_linear8 : linear8_to_mulaw; 721 break; 722 case AUDIO_ENCODING_ALAW: 723 if (p->precision != 8) 724 return EINVAL; 725 phw.encoding = AUDIO_ENCODING_ULINEAR_LE; 726 rhw.encoding = AUDIO_ENCODING_ULINEAR_LE; 727 swcode = setmode & AUMODE_PLAY ? alaw_to_linear8 : linear8_to_alaw; 728 break; 729 case AUDIO_ENCODING_ADPCM: 730 if (p->precision != 8) 731 return EINVAL; 732 else 733 break; 734 735 case AUDIO_ENCODING_SLINEAR_LE: 736 case AUDIO_ENCODING_SLINEAR_BE: 737 if (p->precision != 8 && p->precision != 16) 738 return EINVAL; 739 else 740 break; 741 742 default: 743 return EINVAL; 744 745 } 746 747 if (setmode & AUMODE_PLAY) { 748 sc->play_channels = p->channels; 749 sc->play_encoding = p->encoding; 750 sc->play_precision = p->precision; 751 iw_set_format(sc, p->precision, 0); 752 q->sample_rate = p->sample_rate = sc->sc_orate = 753 iw_set_speed(sc, p->sample_rate, 0); 754 if (swcode != NULL) { 755 phw.sample_rate = p->sample_rate; 756 pfil->append(pfil, swcode, &phw); 757 } 758 } else { 759 #if 0 760 q->channels = sc->rec_channels = p->channels; 761 q->encoding = sc->rec_encoding = p->encoding; 762 q->precision = sc->rec_precision = p->precision; 763 #endif 764 sc->rec_channels = q->channels; 765 sc->rec_encoding = q->encoding; 766 sc->rec_precision = q->precision; 767 768 iw_set_format(sc, p->precision, 1); 769 q->sample_rate = sc->sc_irate = 770 iw_set_speed(sc, q->sample_rate, 1); 771 if (swcode != NULL) { 772 rhw.sample_rate = q->sample_rate; 773 rfil->append(rfil, swcode, &rhw); 774 } 775 } 776 return 0; 777 } 778 779 780 int 781 iw_round_blocksize(void *addr, int blk, int mode, const audio_params_t *param) 782 { 783 784 /* Round to a multiple of the biggest sample size. */ 785 return blk &= -4; 786 } 787 788 void 789 iw_mixer_line_level(struct iw_softc *sc, int line, int levl, int levr) 790 { 791 u_char gainl, gainr, attenl, attenr; 792 793 switch (line) { 794 case IW_REC: 795 gainl = sc->sc_recsrcbits | (levl >> 4); 796 gainr = sc->sc_recsrcbits | (levr >> 4); 797 DPRINTF(("recording with %x", gainl)); 798 IW_WRITE_CODEC_1(CLICI, gainl); 799 IW_WRITE_CODEC_1(CRICI, gainr); 800 sc->sc_rec.voll = levl & 0xf0; 801 sc->sc_rec.volr = levr & 0xf0; 802 break; 803 804 case IW_AUX1: 805 806 gainl = (255 - levl) >> 3; 807 gainr = (255 - levr) >> 3; 808 809 /* mute if 0 level */ 810 if (levl == 0) 811 gainl |= 0x80; 812 if (levr == 0) 813 gainr |= 0x80; 814 815 IW_WRITE_CODEC_1(IW_LEFT_AUX1_PORT, gainl); 816 IW_WRITE_CODEC_1(IW_RIGHT_AUX1_PORT, gainr); 817 sc->sc_aux1.voll = levl & 0xf8; 818 sc->sc_aux1.volr = levr & 0xf8; 819 820 break; 821 822 case IW_AUX2: 823 824 gainl = (255 - levl) >> 3; 825 gainr = (255 - levr) >> 3; 826 827 /* mute if 0 level */ 828 if (levl == 0) 829 gainl |= 0x80; 830 if (levr == 0) 831 gainr |= 0x80; 832 833 IW_WRITE_CODEC_1(IW_LEFT_AUX2_PORT, gainl); 834 IW_WRITE_CODEC_1(IW_RIGHT_AUX2_PORT, gainr); 835 sc->sc_aux2.voll = levl & 0xf8; 836 sc->sc_aux2.volr = levr & 0xf8; 837 break; 838 case IW_DAC: 839 attenl = ((255 - levl) >> 2) | ((levl && !sc->sc_dac.off) ? 0 : 0x80); 840 attenr = ((255 - levr) >> 2) | ((levr && !sc->sc_dac.off) ? 0 : 0x80); 841 IW_WRITE_CODEC_1(CLDACI, attenl); 842 IW_WRITE_CODEC_1(CRDACI, attenr); 843 sc->sc_dac.voll = levl & 0xfc; 844 sc->sc_dac.volr = levr & 0xfc; 845 break; 846 case IW_LOOPBACK: 847 attenl = ((255 - levl) & 0xfc) | (levl ? 0x01 : 0); 848 IW_WRITE_CODEC_1(CLCI, attenl); 849 sc->sc_loopback.voll = levl & 0xfc; 850 break; 851 case IW_LINE_IN: 852 gainl = (levl >> 3) | (levl ? 0 : 0x80); 853 gainr = (levr >> 3) | (levr ? 0 : 0x80); 854 IW_WRITE_CODEC_1(CLLICI, gainl); 855 IW_WRITE_CODEC_1(CRLICI, gainr); 856 sc->sc_linein.voll = levl & 0xf8; 857 sc->sc_linein.volr = levr & 0xf8; 858 break; 859 case IW_MIC_IN: 860 gainl = ((255 - levl) >> 3) | (levl ? 0 : 0x80); 861 gainr = ((255 - levr) >> 3) | (levr ? 0 : 0x80); 862 IW_WRITE_CODEC_1(CLMICI, gainl); 863 IW_WRITE_CODEC_1(CRMICI, gainr); 864 sc->sc_mic.voll = levl & 0xf8; 865 sc->sc_mic.volr = levr & 0xf8; 866 break; 867 case IW_LINE_OUT: 868 attenl = ((255 - levl) >> 3) | (levl ? 0 : 0x80); 869 attenr = ((255 - levr) >> 3) | (levr ? 0 : 0x80); 870 IW_WRITE_CODEC_1(CLOAI, attenl); 871 IW_WRITE_CODEC_1(CROAI, attenr); 872 sc->sc_lineout.voll = levl & 0xf8; 873 sc->sc_lineout.volr = levr & 0xf8; 874 break; 875 case IW_MONO_IN: 876 attenl = ((255 - levl) >> 4) | (levl ? 0 : 0xc0); /* in/out mute */ 877 IW_WRITE_CODEC_1(CMONOI, attenl); 878 sc->sc_monoin.voll = levl & 0xf0; 879 break; 880 } 881 } 882 883 int 884 iw_commit_settings(void *addr) 885 { 886 887 return 0; 888 } 889 890 void 891 iw_trigger_dma(struct iw_softc *sc, u_char io) 892 { 893 u_char reg; 894 int s; 895 896 s = splaudio(); 897 898 IW_READ_CODEC_1(CSR3I, reg); 899 IW_WRITE_CODEC_1(CSR3I, reg & ~(io == IW_DMA_PLAYBACK ? 0x10 : 0x20)); 900 901 IW_READ_CODEC_1(CFIG1I, reg); 902 903 IW_WRITE_CODEC_1(CFIG1I, reg | io); 904 905 /* let the counter run */ 906 IW_READ_CODEC_1(CFIG2I, reg); 907 IW_WRITE_CODEC_1(CFIG2I, reg & ~(io << 4)); 908 909 splx(s); 910 } 911 912 void 913 iw_stop_dma(struct iw_softc *sc, u_char io, u_char hard) 914 { 915 u_char reg; 916 917 /* just stop the counter, no need to flush the fifo */ 918 IW_READ_CODEC_1(CFIG2I, reg); 919 IW_WRITE_CODEC_1(CFIG2I, (reg | (io << 4))); 920 921 if (hard) { 922 /* unless we're closing the device */ 923 IW_READ_CODEC_1(CFIG1I, reg); 924 IW_WRITE_CODEC_1(CFIG1I, reg & ~io); 925 } 926 } 927 928 void 929 iw_dma_count(struct iw_softc *sc, u_short count, int io) 930 { 931 932 if (io == IW_DMA_PLAYBACK) { 933 IW_WRITE_CODEC_1(CLPCTI, (u_char) (count & 0x00ff)); 934 IW_WRITE_CODEC_1(CUPCTI, (u_char) ((count >> 8) & 0x00ff)); 935 } else { 936 IW_WRITE_CODEC_1(CLRCTI, (u_char) (count & 0x00ff)); 937 IW_WRITE_CODEC_1(CURCTI, (u_char) ((count >> 8) & 0x00ff)); 938 } 939 } 940 941 int 942 iw_init_output(addr, sbuf, cc) 943 void *addr; 944 void *sbuf; 945 int cc; 946 { 947 struct iw_softc *sc = (struct iw_softc *) addr; 948 949 DPRINTF(("iw_init_output\n")); 950 951 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sbuf, 952 cc, NULL, DMAMODE_WRITE | DMAMODE_LOOP, BUS_DMA_NOWAIT); 953 return 0; 954 } 955 956 int 957 iw_init_input(void *addr, void *sbuf, int cc) 958 { 959 struct iw_softc *sc; 960 961 DPRINTF(("iw_init_input\n")); 962 sc = (struct iw_softc *) addr; 963 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sbuf, 964 cc, NULL, DMAMODE_READ | DMAMODE_LOOP, BUS_DMA_NOWAIT); 965 return 0; 966 } 967 968 969 int 970 iw_start_output(void *addr, void *p, int cc, void (*intr)(void *), void *arg) 971 { 972 struct iw_softc *sc; 973 974 #ifdef DIAGNOSTIC 975 if (!intr) { 976 printf("iw_start_output: no callback!\n"); 977 return 1; 978 } 979 #endif 980 sc = addr; 981 sc->sc_playintr = intr; 982 sc->sc_playarg = arg; 983 sc->sc_dma_flags |= DMAMODE_WRITE; 984 sc->sc_playdma_bp = p; 985 986 isa_dmastart(sc->sc_ic, sc->sc_playdrq, sc->sc_playdma_bp, 987 cc, NULL, DMAMODE_WRITE, BUS_DMA_NOWAIT); 988 989 990 if (sc->play_encoding == AUDIO_ENCODING_ADPCM) 991 cc >>= 2; 992 if (sc->play_precision == 16) 993 cc >>= 1; 994 995 if (sc->play_channels == 2 && sc->play_encoding != AUDIO_ENCODING_ADPCM) 996 cc >>= 1; 997 998 cc -= iw_cc; 999 1000 /* iw_dma_access(sc,1); */ 1001 if (cc != sc->sc_playdma_cnt) { 1002 iw_dma_count(sc, (u_short) cc, IW_DMA_PLAYBACK); 1003 sc->sc_playdma_cnt = cc; 1004 1005 iw_trigger_dma(sc, IW_DMA_PLAYBACK); 1006 } 1007 1008 #ifdef DIAGNOSTIC 1009 if (outputs != iw_ints) 1010 printf("iw_start_output: out %d, int %d\n", outputs, iw_ints); 1011 outputs++; 1012 #endif 1013 1014 return 0; 1015 } 1016 1017 1018 int 1019 iw_start_input(void *addr, void *p, int cc, void (*intr)(void *), void *arg) 1020 { 1021 struct iw_softc *sc; 1022 1023 #ifdef DIAGNOSTIC 1024 if (!intr) { 1025 printf("iw_start_input: no callback!\n"); 1026 return 1; 1027 } 1028 #endif 1029 sc = addr; 1030 sc->sc_recintr = intr; 1031 sc->sc_recarg = arg; 1032 sc->sc_dma_flags |= DMAMODE_READ; 1033 sc->sc_recdma_bp = p; 1034 1035 isa_dmastart(sc->sc_ic, sc->sc_recdrq, sc->sc_recdma_bp, 1036 cc, NULL, DMAMODE_READ, BUS_DMA_NOWAIT); 1037 1038 1039 if (sc->rec_encoding == AUDIO_ENCODING_ADPCM) 1040 cc >>= 2; 1041 if (sc->rec_precision == 16) 1042 cc >>= 1; 1043 1044 if (sc->rec_channels == 2 && sc->rec_encoding != AUDIO_ENCODING_ADPCM) 1045 cc >>= 1; 1046 1047 cc -= iw_cc; 1048 1049 /* iw_dma_access(sc,0); */ 1050 if (sc->sc_recdma_cnt != cc) { 1051 iw_dma_count(sc, (u_short) cc, IW_DMA_RECORD); 1052 sc->sc_recdma_cnt = cc; 1053 /* iw_dma_ctrl(sc, IW_DMA_RECORD); */ 1054 iw_trigger_dma(sc, IW_DMA_RECORD); 1055 } 1056 1057 #ifdef DIAGNOSTIC 1058 if ((inputs != iw_inints)) 1059 printf("iw_start_input: in %d, inints %d\n", inputs, iw_inints); 1060 inputs++; 1061 #endif 1062 1063 return 0; 1064 } 1065 1066 1067 int 1068 iw_halt_output(void *addr) 1069 { 1070 struct iw_softc *sc; 1071 1072 sc = addr; 1073 iw_stop_dma(sc, IW_DMA_PLAYBACK, 0); 1074 return 0; 1075 } 1076 1077 1078 int 1079 iw_halt_input(void *addr) 1080 { 1081 struct iw_softc *sc; 1082 1083 sc = addr; 1084 iw_stop_dma(sc, IW_DMA_RECORD, 0); 1085 return 0; 1086 } 1087 1088 int 1089 iw_speaker_ctl(void *addr, int newstate) 1090 { 1091 struct iw_softc *sc; 1092 u_char reg; 1093 1094 sc = addr; 1095 if (newstate == SPKR_ON) { 1096 sc->sc_dac.off = 0; 1097 IW_READ_CODEC_1(CLDACI, reg); 1098 IW_WRITE_CODEC_1(CLDACI, reg & 0x7f); 1099 IW_READ_CODEC_1(CRDACI, reg); 1100 IW_WRITE_CODEC_1(CRDACI, reg & 0x7f); 1101 } else { 1102 /* SPKR_OFF */ 1103 sc->sc_dac.off = 1; 1104 IW_READ_CODEC_1(CLDACI, reg); 1105 IW_WRITE_CODEC_1(CLDACI, reg | 0x80); 1106 IW_READ_CODEC_1(CRDACI, reg); 1107 IW_WRITE_CODEC_1(CRDACI, reg | 0x80); 1108 } 1109 return 0; 1110 } 1111 1112 int 1113 iw_getdev(void *addr, struct audio_device *retp) 1114 { 1115 1116 *retp = iw_device; 1117 return 0; 1118 } 1119 1120 int 1121 iw_setfd(void *addr, int flag) 1122 { 1123 1124 return 0; 1125 } 1126 1127 /* Mixer (in/out ports) */ 1128 int 1129 iw_set_port(void *addr, mixer_ctrl_t *cp) 1130 { 1131 struct iw_softc *sc; 1132 u_char vall, valr; 1133 int error; 1134 1135 sc = addr; 1136 vall = 0; 1137 valr = 0; 1138 error = EINVAL; 1139 switch (cp->dev) { 1140 case IW_MIC_IN_LVL: 1141 if (cp->type == AUDIO_MIXER_VALUE) { 1142 error = 0; 1143 if (cp->un.value.num_channels == 1) { 1144 vall = valr = cp->un.value.level[0]; 1145 } else { 1146 vall = cp->un.value.level[0]; 1147 valr = cp->un.value.level[1]; 1148 } 1149 sc->sc_mic.voll = vall; 1150 sc->sc_mic.volr = valr; 1151 iw_mixer_line_level(sc, IW_MIC_IN, vall, valr); 1152 } 1153 break; 1154 case IW_AUX1_LVL: 1155 if (cp->type == AUDIO_MIXER_VALUE) { 1156 error = 0; 1157 if (cp->un.value.num_channels == 1) { 1158 vall = valr = cp->un.value.level[0]; 1159 } else { 1160 vall = cp->un.value.level[0]; 1161 valr = cp->un.value.level[1]; 1162 } 1163 sc->sc_aux1.voll = vall; 1164 sc->sc_aux1.volr = valr; 1165 iw_mixer_line_level(sc, IW_AUX1, vall, valr); 1166 } 1167 break; 1168 case IW_AUX2_LVL: 1169 if (cp->type == AUDIO_MIXER_VALUE) { 1170 error = 0; 1171 if (cp->un.value.num_channels == 1) { 1172 vall = valr = cp->un.value.level[0]; 1173 } else { 1174 vall = cp->un.value.level[0]; 1175 valr = cp->un.value.level[1]; 1176 } 1177 sc->sc_aux2.voll = vall; 1178 sc->sc_aux2.volr = valr; 1179 iw_mixer_line_level(sc, IW_AUX2, vall, valr); 1180 } 1181 break; 1182 case IW_LINE_IN_LVL: 1183 if (cp->type == AUDIO_MIXER_VALUE) { 1184 error = 0; 1185 if (cp->un.value.num_channels == 1) { 1186 vall = valr = cp->un.value.level[0]; 1187 } else { 1188 vall = cp->un.value.level[0]; 1189 valr = cp->un.value.level[1]; 1190 } 1191 sc->sc_linein.voll = vall; 1192 sc->sc_linein.volr = valr; 1193 iw_mixer_line_level(sc, IW_LINE_IN, vall, valr); 1194 } 1195 break; 1196 case IW_LINE_OUT_LVL: 1197 if (cp->type == AUDIO_MIXER_VALUE) { 1198 error = 0; 1199 if (cp->un.value.num_channels == 1) { 1200 vall = valr = cp->un.value.level[0]; 1201 } else { 1202 vall = cp->un.value.level[0]; 1203 valr = cp->un.value.level[1]; 1204 } 1205 sc->sc_lineout.voll = vall; 1206 sc->sc_lineout.volr = valr; 1207 iw_mixer_line_level(sc, IW_LINE_OUT, vall, valr); 1208 } 1209 break; 1210 case IW_REC_LVL: 1211 if (cp->type == AUDIO_MIXER_VALUE) { 1212 error = 0; 1213 if (cp->un.value.num_channels == 1) { 1214 vall = valr = cp->un.value.level[0]; 1215 } else { 1216 vall = cp->un.value.level[0]; 1217 valr = cp->un.value.level[1]; 1218 } 1219 sc->sc_rec.voll = vall; 1220 sc->sc_rec.volr = valr; 1221 iw_mixer_line_level(sc, IW_REC, vall, valr); 1222 } 1223 break; 1224 1225 case IW_DAC_LVL: 1226 if (cp->type == AUDIO_MIXER_VALUE) { 1227 error = 0; 1228 if (cp->un.value.num_channels == 1) { 1229 vall = valr = cp->un.value.level[0]; 1230 } else { 1231 vall = cp->un.value.level[0]; 1232 valr = cp->un.value.level[1]; 1233 } 1234 sc->sc_dac.voll = vall; 1235 sc->sc_dac.volr = valr; 1236 iw_mixer_line_level(sc, IW_DAC, vall, valr); 1237 } 1238 break; 1239 1240 case IW_LOOPBACK_LVL: 1241 if (cp->type == AUDIO_MIXER_VALUE) { 1242 error = 0; 1243 if (cp->un.value.num_channels != 1) { 1244 return EINVAL; 1245 } else { 1246 valr = vall = cp->un.value.level[0]; 1247 } 1248 sc->sc_loopback.voll = vall; 1249 sc->sc_loopback.volr = valr; 1250 iw_mixer_line_level(sc, IW_LOOPBACK, vall, valr); 1251 } 1252 break; 1253 1254 case IW_MONO_IN_LVL: 1255 if (cp->type == AUDIO_MIXER_VALUE) { 1256 error = 0; 1257 if (cp->un.value.num_channels != 1) { 1258 return EINVAL; 1259 } else { 1260 valr = vall = cp->un.value.level[0]; 1261 } 1262 sc->sc_monoin.voll = vall; 1263 sc->sc_monoin.volr = valr; 1264 iw_mixer_line_level(sc, IW_MONO_IN, vall, valr); 1265 } 1266 break; 1267 case IW_RECORD_SOURCE: 1268 error = 0; 1269 sc->sc_recsrcbits = cp->un.ord << 6; 1270 DPRINTF(("record source %d bits %x\n", cp->un.ord, sc->sc_recsrcbits)); 1271 iw_mixer_line_level(sc, IW_REC, sc->sc_rec.voll, sc->sc_rec.volr); 1272 break; 1273 } 1274 1275 return error; 1276 } 1277 1278 1279 int 1280 iw_get_port(void *addr, mixer_ctrl_t *cp) 1281 { 1282 struct iw_softc *sc; 1283 int error; 1284 1285 sc = addr; 1286 error = EINVAL; 1287 switch (cp->dev) { 1288 case IW_MIC_IN_LVL: 1289 if (cp->type == AUDIO_MIXER_VALUE) { 1290 cp->un.value.num_channels = 2; 1291 cp->un.value.level[0] = sc->sc_mic.voll; 1292 cp->un.value.level[1] = sc->sc_mic.volr; 1293 error = 0; 1294 } 1295 break; 1296 case IW_AUX1_LVL: 1297 if (cp->type == AUDIO_MIXER_VALUE) { 1298 cp->un.value.num_channels = 2; 1299 cp->un.value.level[0] = sc->sc_aux1.voll; 1300 cp->un.value.level[1] = sc->sc_aux1.volr; 1301 error = 0; 1302 } 1303 break; 1304 case IW_AUX2_LVL: 1305 if (cp->type == AUDIO_MIXER_VALUE) { 1306 cp->un.value.num_channels = 2; 1307 cp->un.value.level[0] = sc->sc_aux2.voll; 1308 cp->un.value.level[1] = sc->sc_aux2.volr; 1309 error = 0; 1310 } 1311 break; 1312 case IW_LINE_OUT_LVL: 1313 if (cp->type == AUDIO_MIXER_VALUE) { 1314 cp->un.value.num_channels = 2; 1315 cp->un.value.level[0] = sc->sc_lineout.voll; 1316 cp->un.value.level[1] = sc->sc_lineout.volr; 1317 error = 0; 1318 } 1319 break; 1320 case IW_LINE_IN_LVL: 1321 if (cp->type == AUDIO_MIXER_VALUE) { 1322 cp->un.value.num_channels = 2; 1323 cp->un.value.level[0] = sc->sc_linein.voll; 1324 cp->un.value.level[1] = sc->sc_linein.volr; 1325 error = 0; 1326 } 1327 case IW_REC_LVL: 1328 if (cp->type == AUDIO_MIXER_VALUE) { 1329 cp->un.value.num_channels = 2; 1330 cp->un.value.level[0] = sc->sc_rec.voll; 1331 cp->un.value.level[1] = sc->sc_rec.volr; 1332 error = 0; 1333 } 1334 break; 1335 1336 case IW_DAC_LVL: 1337 if (cp->type == AUDIO_MIXER_VALUE) { 1338 cp->un.value.num_channels = 2; 1339 cp->un.value.level[0] = sc->sc_dac.voll; 1340 cp->un.value.level[1] = sc->sc_dac.volr; 1341 error = 0; 1342 } 1343 break; 1344 1345 case IW_LOOPBACK_LVL: 1346 if (cp->type == AUDIO_MIXER_VALUE) { 1347 cp->un.value.num_channels = 1; 1348 cp->un.value.level[0] = sc->sc_loopback.voll; 1349 error = 0; 1350 } 1351 break; 1352 1353 case IW_MONO_IN_LVL: 1354 if (cp->type == AUDIO_MIXER_VALUE) { 1355 cp->un.value.num_channels = 1; 1356 cp->un.value.level[0] = sc->sc_monoin.voll; 1357 error = 0; 1358 } 1359 break; 1360 case IW_RECORD_SOURCE: 1361 cp->un.ord = sc->sc_recsrcbits >> 6; 1362 error = 0; 1363 break; 1364 } 1365 1366 return error; 1367 } 1368 1369 1370 1371 int 1372 iw_query_devinfo(void *addr, mixer_devinfo_t *dip) 1373 { 1374 1375 switch (dip->index) { 1376 case IW_MIC_IN_LVL: /* Microphone */ 1377 dip->type = AUDIO_MIXER_VALUE; 1378 dip->mixer_class = IW_INPUT_CLASS; 1379 dip->prev = AUDIO_MIXER_LAST; 1380 dip->next = AUDIO_MIXER_LAST; 1381 strcpy(dip->label.name, AudioNmicrophone); 1382 dip->un.v.num_channels = 2; 1383 strcpy(dip->un.v.units.name, AudioNvolume); 1384 break; 1385 case IW_AUX1_LVL: 1386 dip->type = AUDIO_MIXER_VALUE; 1387 dip->mixer_class = IW_INPUT_CLASS; 1388 dip->prev = AUDIO_MIXER_LAST; 1389 dip->next = AUDIO_MIXER_LAST; 1390 strcpy(dip->label.name, AudioNline); 1391 dip->un.v.num_channels = 2; 1392 strcpy(dip->un.v.units.name, AudioNvolume); 1393 break; 1394 case IW_AUX2_LVL: 1395 dip->type = AUDIO_MIXER_VALUE; 1396 dip->mixer_class = IW_INPUT_CLASS; 1397 dip->prev = AUDIO_MIXER_LAST; 1398 dip->next = AUDIO_MIXER_LAST; 1399 strcpy(dip->label.name, AudioNcd); 1400 dip->un.v.num_channels = 2; 1401 strcpy(dip->un.v.units.name, AudioNvolume); 1402 break; 1403 case IW_LINE_OUT_LVL: 1404 dip->type = AUDIO_MIXER_VALUE; 1405 dip->mixer_class = IW_OUTPUT_CLASS; 1406 dip->prev = AUDIO_MIXER_LAST; 1407 dip->next = AUDIO_MIXER_LAST; 1408 strcpy(dip->label.name, AudioNline); 1409 dip->un.v.num_channels = 2; 1410 strcpy(dip->un.v.units.name, AudioNvolume); 1411 break; 1412 case IW_DAC_LVL: 1413 dip->type = AUDIO_MIXER_VALUE; 1414 dip->mixer_class = IW_OUTPUT_CLASS; 1415 dip->prev = AUDIO_MIXER_LAST; 1416 dip->next = AUDIO_MIXER_LAST; 1417 strcpy(dip->label.name, AudioNdac); 1418 dip->un.v.num_channels = 2; 1419 strcpy(dip->un.v.units.name, AudioNvolume); 1420 break; 1421 case IW_LINE_IN_LVL: 1422 dip->type = AUDIO_MIXER_VALUE; 1423 dip->mixer_class = IW_INPUT_CLASS; 1424 dip->prev = AUDIO_MIXER_LAST; 1425 dip->next = AUDIO_MIXER_LAST; 1426 strcpy(dip->label.name, AudioNinput); 1427 dip->un.v.num_channels = 2; 1428 strcpy(dip->un.v.units.name, AudioNvolume); 1429 break; 1430 case IW_MONO_IN_LVL: 1431 dip->type = AUDIO_MIXER_VALUE; 1432 dip->mixer_class = IW_INPUT_CLASS; 1433 dip->prev = AUDIO_MIXER_LAST; 1434 dip->next = AUDIO_MIXER_LAST; 1435 strcpy(dip->label.name, AudioNmono); 1436 dip->un.v.num_channels = 1; 1437 strcpy(dip->un.v.units.name, AudioNvolume); 1438 break; 1439 1440 case IW_REC_LVL: /* record level */ 1441 dip->type = AUDIO_MIXER_VALUE; 1442 dip->mixer_class = IW_RECORD_CLASS; 1443 dip->prev = AUDIO_MIXER_LAST; 1444 dip->next = AUDIO_MIXER_LAST; 1445 strcpy(dip->label.name, AudioNrecord); 1446 dip->un.v.num_channels = 2; 1447 strcpy(dip->un.v.units.name, AudioNvolume); 1448 break; 1449 1450 case IW_LOOPBACK_LVL: 1451 dip->type = AUDIO_MIXER_VALUE; 1452 dip->mixer_class = IW_RECORD_CLASS; 1453 dip->prev = AUDIO_MIXER_LAST; 1454 dip->next = AUDIO_MIXER_LAST; 1455 strcpy(dip->label.name, "filter"); 1456 dip->un.v.num_channels = 1; 1457 strcpy(dip->un.v.units.name, AudioNvolume); 1458 break; 1459 1460 case IW_RECORD_SOURCE: 1461 dip->mixer_class = IW_RECORD_CLASS; 1462 dip->type = AUDIO_MIXER_ENUM; 1463 dip->prev = AUDIO_MIXER_LAST; 1464 dip->next = AUDIO_MIXER_LAST; 1465 strcpy(dip->label.name, AudioNsource); 1466 dip->un.e.num_mem = 4; 1467 strcpy(dip->un.e.member[0].label.name, AudioNline); 1468 dip->un.e.member[0].ord = IW_LINE_IN_SRC; 1469 strcpy(dip->un.e.member[1].label.name, "aux1"); 1470 dip->un.e.member[1].ord = IW_AUX1_SRC; 1471 strcpy(dip->un.e.member[2].label.name, AudioNmicrophone); 1472 dip->un.e.member[2].ord = IW_MIC_IN_SRC; 1473 strcpy(dip->un.e.member[3].label.name, AudioNmixerout); 1474 dip->un.e.member[3].ord = IW_MIX_OUT_SRC; 1475 break; 1476 case IW_INPUT_CLASS: 1477 dip->type = AUDIO_MIXER_CLASS; 1478 dip->mixer_class = IW_INPUT_CLASS; 1479 dip->next = dip->prev = AUDIO_MIXER_LAST; 1480 strcpy(dip->label.name, AudioCinputs); 1481 break; 1482 case IW_OUTPUT_CLASS: 1483 dip->type = AUDIO_MIXER_CLASS; 1484 dip->mixer_class = IW_OUTPUT_CLASS; 1485 dip->next = dip->prev = AUDIO_MIXER_LAST; 1486 strcpy(dip->label.name, AudioCoutputs); 1487 break; 1488 case IW_RECORD_CLASS: /* record source class */ 1489 dip->type = AUDIO_MIXER_CLASS; 1490 dip->mixer_class = IW_RECORD_CLASS; 1491 dip->next = dip->prev = AUDIO_MIXER_LAST; 1492 strcpy(dip->label.name, AudioCrecord); 1493 return 0; 1494 default: 1495 return ENXIO; 1496 } 1497 return 0; 1498 } 1499 1500 1501 void * 1502 iw_malloc(void *addr, int direction, size_t size, 1503 struct malloc_type *pool, int flags) 1504 { 1505 struct iw_softc *sc; 1506 int drq; 1507 1508 sc = addr; 1509 if (direction == AUMODE_PLAY) 1510 drq = sc->sc_playdrq; 1511 else 1512 drq = sc->sc_recdrq; 1513 return isa_malloc(sc->sc_ic, drq, size, pool, flags); 1514 } 1515 1516 void 1517 iw_free(void *addr, void *ptr, struct malloc_type *pool) 1518 { 1519 isa_free(ptr, pool); 1520 } 1521 1522 size_t 1523 iw_round_buffersize(void *addr, int direction, size_t size) 1524 { 1525 struct iw_softc *sc; 1526 bus_size_t maxsize; 1527 1528 sc = addr; 1529 if (direction == AUMODE_PLAY) 1530 maxsize = sc->sc_play_maxsize; 1531 else 1532 maxsize = sc->sc_rec_maxsize; 1533 1534 if (size > maxsize) 1535 size = maxsize; 1536 return size; 1537 } 1538 1539 paddr_t 1540 iw_mappage(void *addr, void *mem, off_t off, int prot) 1541 { 1542 1543 return isa_mappage(mem, off, prot); 1544 } 1545 1546 int 1547 iw_get_props(void *addr) 1548 { 1549 struct iw_softc *sc; 1550 1551 sc = addr; 1552 return AUDIO_PROP_MMAP | 1553 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0); 1554 } 1555