auvia.c revision 1.1
1 /* $NetBSD: auvia.c,v 1.1 2000/03/31 04:45:28 tsarna Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tyler C. Sarna 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * VIA Technologies VT82C686A Southbridge Audio Driver 41 * 42 * Documentation links: 43 * 44 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf 45 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf 46 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) 47 */ 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/malloc.h> 52 #include <sys/device.h> 53 #include <sys/audioio.h> 54 55 #include <dev/pci/pcidevs.h> 56 #include <dev/pci/pcivar.h> 57 58 #include <dev/audio_if.h> 59 #include <dev/mulaw.h> 60 #include <dev/auconv.h> 61 62 #include <dev/ic/ac97.h> 63 64 #include <dev/pci/auviavar.h> 65 66 struct auvia_dma { 67 struct auvia_dma *next; 68 caddr_t addr; 69 size_t size; 70 bus_dmamap_t map; 71 bus_dma_segment_t seg; 72 }; 73 74 struct auvia_dma_op { 75 u_int32_t ptr; 76 u_int32_t flags; 77 #define AUVIA_DMAOP_EOL 0x80000000 78 #define AUVIA_DMAOP_FLAG 0x40000000 79 #define AUVIA_DMAOP_STOP 0x20000000 80 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 81 }; 82 83 int auvia_match(struct device *, struct cfdata *, void *); 84 void auvia_attach(struct device *, struct device *, void *); 85 int auvia_open(void *, int); 86 void auvia_close(void *); 87 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 88 int auvia_set_params(void *, int, int, struct audio_params *, 89 struct audio_params *); 90 int auvia_round_blocksize(void *, int); 91 int auvia_halt_output(void *); 92 int auvia_halt_input(void *); 93 int auvia_getdev(void *, struct audio_device *); 94 int auvia_set_port(void *, mixer_ctrl_t *); 95 int auvia_get_port(void *, mixer_ctrl_t *); 96 int auvia_query_devinfo(void *, mixer_devinfo_t *); 97 void * auvia_malloc(void *, int, size_t, int, int); 98 void auvia_free(void *, void *, int); 99 size_t auvia_round_buffersize(void *, int, size_t); 100 int auvia_mappage(void *, void *, int, int); 101 int auvia_get_props(void *); 102 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 103 struct auvia_dma *, void *, void *, int); 104 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 105 void *, struct audio_params *); 106 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 107 void *, struct audio_params *); 108 109 int auvia_intr __P((void *)); 110 111 struct cfattach auvia_ca = { 112 sizeof (struct auvia_softc), auvia_match, auvia_attach 113 }; 114 115 #define AUVIA_PCICONF_JUNK 0x40 116 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 117 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 118 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 119 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 120 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 121 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 122 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 123 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 124 125 #define AUVIA_PLAY_STAT 0x00 126 #define AUVIA_RECORD_STAT 0x10 127 #define AUVIA_RPSTAT_INTR 0x03 128 #define AUVIA_PLAY_CONTROL 0x01 129 #define AUVIA_RECORD_CONTROL 0x11 130 #define AUVIA_RPCTRL_START 0x80 131 #define AUVIA_RPCTRL_TERMINATE 0x40 132 #define AUVIA_PLAY_MODE 0x02 133 #define AUVIA_RECORD_MODE 0x12 134 #define AUVIA_RPMODE_INTR_FLAG 0x01 135 #define AUVIA_RPMODE_INTR_EOL 0x02 136 #define AUVIA_RPMODE_STEREO 0x10 137 #define AUVIA_RPMODE_16BIT 0x20 138 #define AUVIA_RPMODE_AUTOSTART 0x80 139 #define AUVIA_PLAY_DMAOPS_BASE 0x04 140 #define AUVIA_RECORD_DMAOPS_BASE 0x14 141 142 #define AUVIA_CODEC_CTL 0x80 143 #define AUVIA_CODEC_READ 0x00800000 144 #define AUVIA_CODEC_BUSY 0x01000000 145 #define AUVIA_CODEC_PRIVALID 0x02000000 146 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 147 148 #define TIMEOUT 50 149 150 #define AC97_REG_EXT_AUDIO_ID 0x28 151 #define AC97_CODEC_DOES_VRA 0x0001 152 #define AC97_REG_EXT_AUDIO_STAT 0x2A 153 #define AC97_ENAB_VRA 0x0001 154 #define AC97_ENAB_MICVRA 0x0004 155 #define AC97_REG_EXT_DAC_RATE 0x2C 156 #define AC97_REG_EXT_ADC_RATE 0x32 157 158 struct audio_hw_if auvia_hw_if = { 159 auvia_open, 160 auvia_close, 161 NULL, /* drain */ 162 auvia_query_encoding, 163 auvia_set_params, 164 auvia_round_blocksize, 165 NULL, /* commit_settings */ 166 NULL, /* init_output */ 167 NULL, /* init_input */ 168 NULL, /* start_output */ 169 NULL, /* start_input */ 170 auvia_halt_output, 171 auvia_halt_input, 172 NULL, /* speaker_ctl */ 173 auvia_getdev, 174 NULL, /* setfd */ 175 auvia_set_port, 176 auvia_get_port, 177 auvia_query_devinfo, 178 auvia_malloc, 179 auvia_free, 180 auvia_round_buffersize, 181 auvia_mappage, 182 auvia_get_props, 183 auvia_trigger_output, 184 auvia_trigger_input, 185 }; 186 187 int auvia_attach_codec(void *, struct ac97_codec_if *); 188 int auvia_write_codec(void *, u_int8_t, u_int16_t); 189 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 190 void auvia_reset_codec(void *); 191 int auvia_waitready_codec(struct auvia_softc *sc); 192 int auvia_waitvalid_codec(struct auvia_softc *sc); 193 194 195 int 196 auvia_match(struct device *parent, struct cfdata *match, void *aux) 197 { 198 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 199 200 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 201 return 0; 202 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_VIATECH_VT82C686A_AC97) 203 return 0; 204 205 return 1; 206 } 207 208 209 void 210 auvia_attach(struct device *parent, struct device *self, void *aux) 211 { 212 struct pci_attach_args *pa = aux; 213 struct auvia_softc *sc = (struct auvia_softc *) self; 214 const char *intrstr = NULL; 215 struct mixer_ctrl ctl; 216 pci_chipset_tag_t pc = pa->pa_pc; 217 pcitag_t pt = pa->pa_tag; 218 pci_intr_handle_t ih; 219 pcireg_t pr; 220 u_int16_t v; 221 int r, i; 222 223 r = PCI_REVISION(pa->pa_class); 224 sc->sc_revision[1] = '\0'; 225 if (r == 0x20) { 226 sc->sc_revision[0] = 'H'; 227 } else if ((r >= 0x10) && (r <= 0x14)) { 228 sc->sc_revision[0] = 'A' + (r - 0x10); 229 } else { 230 sprintf(sc->sc_revision, "0x%02X", r); 231 } 232 233 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 234 sc->sc_revision); 235 236 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, 237 &ih)) { 238 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 239 return; 240 } 241 intrstr = pci_intr_string(pc, ih); 242 243 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 244 if (sc->sc_ih == NULL) { 245 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 246 if (intrstr != NULL) 247 printf(" at %s", intrstr); 248 printf("\n"); 249 return; 250 } 251 252 sc->sc_dmat = pa->pa_dmat; 253 sc->sc_pc = pc; 254 sc->sc_pt = pt; 255 256 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 257 258 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 259 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 260 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 261 return; 262 } 263 264 /* disable SBPro compat & others */ 265 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 266 267 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 268 /* XXX what to do about MIDI, FM, joystick? */ 269 270 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 271 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 272 273 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 274 275 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 276 277 sc->host_if.arg = sc; 278 sc->host_if.attach = auvia_attach_codec; 279 sc->host_if.read = auvia_read_codec; 280 sc->host_if.write = auvia_write_codec; 281 sc->host_if.reset = auvia_reset_codec; 282 283 if ((r = ac97_attach(&sc->host_if)) != 0) { 284 printf("%s: can't attach codec (error 0x%X)\n", 285 sc->sc_dev.dv_xname, r); 286 return; 287 } 288 289 if (auvia_read_codec(sc, AC97_REG_EXT_AUDIO_ID, &v) 290 || !(v & AC97_CODEC_DOES_VRA)) { 291 /* XXX */ 292 293 printf("%s: codec must support AC'97 2.0 Variable Rate Audio\n", 294 sc->sc_dev.dv_xname); 295 return; 296 } else { 297 /* enable VRA */ 298 auvia_write_codec(sc, AC97_REG_EXT_AUDIO_STAT, 299 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 300 } 301 302 /* disable mutes */ 303 for (i = 0; i < 4; i++) { 304 static struct { 305 char *class, *device; 306 } d[] = { 307 { AudioCoutputs, AudioNmaster}, 308 { AudioCinputs, AudioNdac}, 309 { AudioCinputs, AudioNcd}, 310 { AudioCrecord, AudioNvolume}, 311 }; 312 313 ctl.type = AUDIO_MIXER_ENUM; 314 ctl.un.ord = 0; 315 316 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 317 d[i].class, d[i].device, AudioNmute); 318 auvia_set_port(sc, &ctl); 319 } 320 321 /* set a reasonable default volume */ 322 323 ctl.type = AUDIO_MIXER_VALUE; 324 ctl.un.value.num_channels = 2; 325 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 326 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 327 328 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 329 AudioCoutputs, AudioNmaster, NULL); 330 auvia_set_port(sc, &ctl); 331 332 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 333 } 334 335 336 int 337 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 338 { 339 struct auvia_softc *sc = addr; 340 341 sc->codec_if = cif; 342 343 return 0; 344 } 345 346 347 void 348 auvia_reset_codec(void *addr) 349 { 350 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 351 struct auvia_softc *sc = addr; 352 pcireg_t r; 353 354 /* perform a codec cold reset */ 355 356 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 357 358 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 359 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 360 delay(2); 361 362 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 363 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 364 delay(200); 365 366 auvia_waitready_codec(sc); 367 #endif 368 } 369 370 371 int 372 auvia_waitready_codec(struct auvia_softc *sc) 373 { 374 int i; 375 376 /* poll until codec not busy */ 377 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 378 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 379 delay(1); 380 if (i >= TIMEOUT) { 381 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 382 return 1; 383 } 384 385 return 0; 386 } 387 388 389 int 390 auvia_waitvalid_codec(struct auvia_softc *sc) 391 { 392 int i; 393 394 /* poll until codec valid */ 395 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 396 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 397 delay(1); 398 if (i >= TIMEOUT) { 399 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 400 return 1; 401 } 402 403 return 0; 404 } 405 406 407 int 408 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 409 { 410 struct auvia_softc *sc = addr; 411 412 if (auvia_waitready_codec(sc)) 413 return 1; 414 415 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 416 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 417 418 return 0; 419 } 420 421 422 int 423 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 424 { 425 struct auvia_softc *sc = addr; 426 427 if (auvia_waitready_codec(sc)) 428 return 1; 429 430 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 431 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 432 433 if (auvia_waitready_codec(sc)) 434 return 1; 435 436 if (auvia_waitvalid_codec(sc)) 437 return 1; 438 439 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 440 441 return 0; 442 } 443 444 445 int 446 auvia_open(void *addr, int flags) 447 { 448 return 0; 449 } 450 451 452 void 453 auvia_close(void *addr) 454 { 455 /* NOP */ 456 } 457 458 459 int 460 auvia_query_encoding(void *addr, struct audio_encoding *fp) 461 { 462 switch (fp->index) { 463 case 0: 464 strcpy(fp->name, AudioEulinear); 465 fp->encoding = AUDIO_ENCODING_ULINEAR; 466 fp->precision = 8; 467 fp->flags = 0; 468 return (0); 469 case 1: 470 strcpy(fp->name, AudioEmulaw); 471 fp->encoding = AUDIO_ENCODING_ULAW; 472 fp->precision = 8; 473 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 474 return (0); 475 case 2: 476 strcpy(fp->name, AudioEalaw); 477 fp->encoding = AUDIO_ENCODING_ALAW; 478 fp->precision = 8; 479 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 480 return (0); 481 case 3: 482 strcpy(fp->name, AudioEslinear); 483 fp->encoding = AUDIO_ENCODING_SLINEAR; 484 fp->precision = 8; 485 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 486 return (0); 487 case 4: 488 strcpy(fp->name, AudioEslinear_le); 489 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 490 fp->precision = 16; 491 fp->flags = 0; 492 return (0); 493 case 5: 494 strcpy(fp->name, AudioEulinear_le); 495 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 496 fp->precision = 16; 497 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 498 return (0); 499 case 6: 500 strcpy(fp->name, AudioEslinear_be); 501 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 502 fp->precision = 16; 503 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 504 return (0); 505 case 7: 506 strcpy(fp->name, AudioEulinear_be); 507 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 508 fp->precision = 16; 509 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 510 return (0); 511 default: 512 return (EINVAL); 513 } 514 } 515 516 517 int 518 auvia_set_params(void *addr, int setmode, int usemode, 519 struct audio_params *play, struct audio_params *rec) 520 { 521 struct auvia_softc *sc = addr; 522 struct audio_params *p; 523 u_int16_t regval; 524 int reg, mode; 525 526 /* for mode in (RECORD, PLAY) */ 527 for (mode = AUMODE_RECORD; mode != -1; 528 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 529 if ((setmode & mode) == 0) 530 continue; 531 532 p = mode == AUMODE_PLAY ? play : rec; 533 534 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 535 (p->precision != 8 && p->precision != 16) || 536 (p->channels != 1 && p->channels != 2)) 537 return (EINVAL); 538 539 reg = mode == AUMODE_PLAY ? 540 AC97_REG_EXT_DAC_RATE : AC97_REG_EXT_ADC_RATE; 541 542 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 543 auvia_read_codec(sc, reg, ®val); 544 p->sample_rate = regval; 545 546 p->factor = 1; 547 p->sw_code = 0; 548 switch (p->encoding) { 549 case AUDIO_ENCODING_SLINEAR_BE: 550 if (p->precision == 16) 551 p->sw_code = swap_bytes; 552 else 553 p->sw_code = change_sign8; 554 break; 555 case AUDIO_ENCODING_SLINEAR_LE: 556 if (p->precision != 16) 557 p->sw_code = change_sign8; 558 break; 559 case AUDIO_ENCODING_ULINEAR_BE: 560 if (p->precision == 16) { 561 if (mode == AUMODE_PLAY) 562 p->sw_code = swap_bytes_change_sign16_le; 563 else 564 p->sw_code = change_sign16_swap_bytes_le; 565 } 566 break; 567 case AUDIO_ENCODING_ULINEAR_LE: 568 if (p->precision == 16) 569 p->sw_code = change_sign16_le; 570 break; 571 case AUDIO_ENCODING_ULAW: 572 if (mode == AUMODE_PLAY) { 573 p->factor = 2; 574 p->sw_code = mulaw_to_slinear16_le; 575 } else 576 p->sw_code = ulinear8_to_mulaw; 577 break; 578 case AUDIO_ENCODING_ALAW: 579 if (mode == AUMODE_PLAY) { 580 p->factor = 2; 581 p->sw_code = alaw_to_slinear16_le; 582 } else 583 p->sw_code = ulinear8_to_alaw; 584 break; 585 default: 586 return (EINVAL); 587 } 588 589 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 590 | (p->precision * p->factor == 16 ? 591 AUVIA_RPMODE_16BIT : 0) 592 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 593 | AUVIA_RPMODE_AUTOSTART; 594 595 if (mode == AUMODE_PLAY) { 596 sc->sc_play.sc_reg = regval; 597 } else { 598 sc->sc_record.sc_reg = regval; 599 } 600 } 601 602 return 0; 603 } 604 605 606 int 607 auvia_round_blocksize(void *addr, int blk) 608 { 609 return (blk & -32); 610 } 611 612 613 int 614 auvia_halt_output(void *addr) 615 { 616 struct auvia_softc *sc = addr; 617 618 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 619 AUVIA_RPCTRL_TERMINATE); 620 621 return 0; 622 } 623 624 625 int 626 auvia_halt_input(void *addr) 627 { 628 struct auvia_softc *sc = addr; 629 630 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 631 AUVIA_RPCTRL_TERMINATE); 632 633 return 0; 634 } 635 636 637 int 638 auvia_getdev(void *addr, struct audio_device *retp) 639 { 640 struct auvia_softc *sc = addr; 641 642 if (retp) { 643 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 644 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 645 strncpy(retp->config, "auvia", sizeof(retp->config)); 646 } 647 648 return 0; 649 } 650 651 652 int 653 auvia_set_port(void *addr, mixer_ctrl_t *cp) 654 { 655 struct auvia_softc *sc = addr; 656 657 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 658 } 659 660 661 int 662 auvia_get_port(void *addr, mixer_ctrl_t *cp) 663 { 664 struct auvia_softc *sc = addr; 665 666 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 667 } 668 669 670 int 671 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 672 { 673 struct auvia_softc *sc = addr; 674 675 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 676 } 677 678 679 void * 680 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 681 { 682 struct auvia_softc *sc = addr; 683 struct auvia_dma *p; 684 int error; 685 int rseg; 686 687 p = malloc(sizeof(*p), pool, flags); 688 if (!p) 689 return 0; 690 691 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, NBPG, 0, &p->seg, 1, 692 &rseg, BUS_DMA_NOWAIT)) != 0) { 693 printf("%s: unable to allocate dma, error = %d\n", 694 sc->sc_dev.dv_xname, error); 695 goto fail_alloc; 696 } 697 698 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 699 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 700 printf("%s: unable to map dma, error = %d\n", 701 sc->sc_dev.dv_xname, error); 702 goto fail_map; 703 } 704 705 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 706 BUS_DMA_NOWAIT, &p->map)) != 0) { 707 printf("%s: unable to create dma map, error = %d\n", 708 sc->sc_dev.dv_xname, error); 709 goto fail_create; 710 } 711 712 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 713 BUS_DMA_NOWAIT)) != 0) { 714 printf("%s: unable to load dma map, error = %d\n", 715 sc->sc_dev.dv_xname, error); 716 goto fail_load; 717 } 718 719 p->next = sc->sc_dmas; 720 sc->sc_dmas = p; 721 722 return p->addr; 723 724 725 fail_load: 726 bus_dmamap_destroy(sc->sc_dmat, p->map); 727 fail_create: 728 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 729 fail_map: 730 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 731 fail_alloc: 732 free(p, pool); 733 return 0; 734 } 735 736 737 void 738 auvia_free(void *addr, void *ptr, int pool) 739 { 740 struct auvia_softc *sc = addr; 741 struct auvia_dma *p; 742 743 for (p = sc->sc_dmas; p->addr != ptr; p = p->next) 744 if (p->next == NULL) 745 panic("auvia_free: trying to free unallocated memory"); 746 747 bus_dmamap_unload(sc->sc_dmat, p->map); 748 bus_dmamap_destroy(sc->sc_dmat, p->map); 749 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 750 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 751 } 752 753 754 size_t 755 auvia_round_buffersize(void *addr, int direction, size_t size) 756 { 757 return size; 758 } 759 760 761 int 762 auvia_mappage(void *addr, void *mem, int off, int prot) 763 { 764 struct auvia_softc *sc = addr; 765 struct auvia_dma *p; 766 767 if (off < 0) 768 return -1; 769 770 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 771 ; 772 773 if (!p) 774 return -1; 775 776 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 777 BUS_DMA_WAITOK); 778 } 779 780 781 int 782 auvia_get_props(void *addr) 783 { 784 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 785 | AUDIO_PROP_FULLDUPLEX; 786 } 787 788 789 int 790 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 791 struct auvia_dma *p, void *start, void *end, int blksize) 792 { 793 struct auvia_dma_op *op; 794 struct auvia_dma *dp; 795 bus_addr_t s, e; 796 size_t l; 797 int segs; 798 799 s = p->map->dm_segs[0].ds_addr; 800 l = ((char *)end - (char *)start); 801 e = s + l; 802 segs = (l + blksize - 1) / blksize; 803 804 if (segs > (ch->sc_dma_op_count)) { 805 /* if old list was too small, free it */ 806 if (ch->sc_dma_ops) { 807 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 808 } 809 810 ch->sc_dma_ops = auvia_malloc(sc, 0, 811 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 812 813 if (ch->sc_dma_ops == NULL) { 814 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 815 return 1; 816 } 817 818 for (dp = sc->sc_dmas; 819 dp && dp->addr != (void *)(ch->sc_dma_ops); 820 dp = dp->next) 821 ; 822 823 if (!dp) 824 panic("%s: build_dma_ops: where'd my memory go??? " 825 "address (%p)\n", sc->sc_dev.dv_xname, 826 ch->sc_dma_ops); 827 828 ch->sc_dma_op_count = segs; 829 ch->sc_dma_ops_dma = dp; 830 } 831 832 dp = ch->sc_dma_ops_dma; 833 op = ch->sc_dma_ops; 834 835 while (l) { 836 op->ptr = s; 837 l = l - blksize; 838 if (!l) { 839 /* if last block */ 840 op->flags = AUVIA_DMAOP_EOL | blksize; 841 } else { 842 op->flags = AUVIA_DMAOP_FLAG | blksize; 843 } 844 s += blksize; 845 op++; 846 } 847 848 return 0; 849 } 850 851 852 int 853 auvia_trigger_output(void *addr, void *start, void *end, 854 int blksize, void (*intr)(void *), void *arg, 855 struct audio_params *param) 856 { 857 struct auvia_softc *sc = addr; 858 struct auvia_softc_chan *ch = &(sc->sc_play); 859 struct auvia_dma *p; 860 861 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 862 ; 863 864 if (!p) 865 panic("auvia_trigger_output: request with bad start " 866 "address (%p)\n", start); 867 868 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 869 return 1; 870 } 871 872 ch->sc_intr = intr; 873 ch->sc_arg = arg; 874 875 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 876 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 877 878 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 879 ch->sc_reg); 880 881 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 882 AUVIA_RPCTRL_START); 883 884 return 0; 885 } 886 887 888 int 889 auvia_trigger_input(void *addr, void *start, void *end, 890 int blksize, void (*intr)(void *), void *arg, 891 struct audio_params *param) 892 { 893 struct auvia_softc *sc = addr; 894 struct auvia_softc_chan *ch = &(sc->sc_record); 895 struct auvia_dma *p; 896 897 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 898 ; 899 900 if (!p) 901 panic("auvia_trigger_input: request with bad start " 902 "address (%p)\n", start); 903 904 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 905 return 1; 906 } 907 908 ch->sc_intr = intr; 909 ch->sc_arg = arg; 910 911 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 912 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 913 914 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 915 ch->sc_reg); 916 917 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 918 AUVIA_RPCTRL_START); 919 920 return 0; 921 } 922 923 924 int 925 auvia_intr(void *arg) 926 { 927 struct auvia_softc *sc = arg; 928 u_int8_t r; 929 930 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 931 if (r & AUVIA_RPSTAT_INTR) { 932 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 933 934 /* clear interrupts */ 935 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 936 AUVIA_RPSTAT_INTR); 937 } 938 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 939 if (r & AUVIA_RPSTAT_INTR) { 940 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 941 942 /* clear interrupts */ 943 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 944 AUVIA_RPSTAT_INTR); 945 } 946 947 return 1; 948 } 949
Indexes created Mon Sep 29 21:09:56 GMT 2025