auvia.c revision 1.13
1 /* $NetBSD: auvia.c,v 1.13 2001/10/03 00:04:51 augustss 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 <uvm/uvm_extern.h> 56 57 #include <dev/pci/pcidevs.h> 58 #include <dev/pci/pcivar.h> 59 60 #include <dev/audio_if.h> 61 #include <dev/mulaw.h> 62 #include <dev/auconv.h> 63 64 #include <dev/ic/ac97reg.h> 65 #include <dev/ic/ac97var.h> 66 67 #include <dev/pci/auviavar.h> 68 69 struct auvia_dma { 70 struct auvia_dma *next; 71 caddr_t addr; 72 size_t size; 73 bus_dmamap_t map; 74 bus_dma_segment_t seg; 75 }; 76 77 struct auvia_dma_op { 78 u_int32_t ptr; 79 u_int32_t flags; 80 #define AUVIA_DMAOP_EOL 0x80000000 81 #define AUVIA_DMAOP_FLAG 0x40000000 82 #define AUVIA_DMAOP_STOP 0x20000000 83 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 84 }; 85 86 /* rev. H and later seem to support only fixed rate 48 kHz */ 87 #define AUVIA_FIXED_RATE 48000 88 89 int auvia_match(struct device *, struct cfdata *, void *); 90 void auvia_attach(struct device *, struct device *, void *); 91 int auvia_open(void *, int); 92 void auvia_close(void *); 93 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 94 int auvia_set_params(void *, int, int, struct audio_params *, 95 struct audio_params *); 96 int auvia_round_blocksize(void *, int); 97 int auvia_halt_output(void *); 98 int auvia_halt_input(void *); 99 int auvia_getdev(void *, struct audio_device *); 100 int auvia_set_port(void *, mixer_ctrl_t *); 101 int auvia_get_port(void *, mixer_ctrl_t *); 102 int auvia_query_devinfo(void *, mixer_devinfo_t *); 103 void * auvia_malloc(void *, int, size_t, int, int); 104 void auvia_free(void *, void *, int); 105 size_t auvia_round_buffersize(void *, int, size_t); 106 paddr_t auvia_mappage(void *, void *, off_t, int); 107 int auvia_get_props(void *); 108 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 109 struct auvia_dma *, void *, void *, int); 110 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 111 void *, struct audio_params *); 112 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 113 void *, struct audio_params *); 114 115 int auvia_intr __P((void *)); 116 117 struct cfattach auvia_ca = { 118 sizeof (struct auvia_softc), auvia_match, auvia_attach 119 }; 120 121 #define AUVIA_PCICONF_JUNK 0x40 122 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 123 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 124 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 125 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 126 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 127 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 128 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 129 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 130 131 #define AUVIA_PLAY_STAT 0x00 132 #define AUVIA_RECORD_STAT 0x10 133 #define AUVIA_RPSTAT_INTR 0x03 134 #define AUVIA_PLAY_CONTROL 0x01 135 #define AUVIA_RECORD_CONTROL 0x11 136 #define AUVIA_RPCTRL_START 0x80 137 #define AUVIA_RPCTRL_TERMINATE 0x40 138 #define AUVIA_PLAY_MODE 0x02 139 #define AUVIA_RECORD_MODE 0x12 140 #define AUVIA_RPMODE_INTR_FLAG 0x01 141 #define AUVIA_RPMODE_INTR_EOL 0x02 142 #define AUVIA_RPMODE_STEREO 0x10 143 #define AUVIA_RPMODE_16BIT 0x20 144 #define AUVIA_RPMODE_AUTOSTART 0x80 145 #define AUVIA_PLAY_DMAOPS_BASE 0x04 146 #define AUVIA_RECORD_DMAOPS_BASE 0x14 147 148 #define AUVIA_CODEC_CTL 0x80 149 #define AUVIA_CODEC_READ 0x00800000 150 #define AUVIA_CODEC_BUSY 0x01000000 151 #define AUVIA_CODEC_PRIVALID 0x02000000 152 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 153 154 #define TIMEOUT 50 155 156 struct audio_hw_if auvia_hw_if = { 157 auvia_open, 158 auvia_close, 159 NULL, /* drain */ 160 auvia_query_encoding, 161 auvia_set_params, 162 auvia_round_blocksize, 163 NULL, /* commit_settings */ 164 NULL, /* init_output */ 165 NULL, /* init_input */ 166 NULL, /* start_output */ 167 NULL, /* start_input */ 168 auvia_halt_output, 169 auvia_halt_input, 170 NULL, /* speaker_ctl */ 171 auvia_getdev, 172 NULL, /* setfd */ 173 auvia_set_port, 174 auvia_get_port, 175 auvia_query_devinfo, 176 auvia_malloc, 177 auvia_free, 178 auvia_round_buffersize, 179 auvia_mappage, 180 auvia_get_props, 181 auvia_trigger_output, 182 auvia_trigger_input, 183 NULL, /* dev_ioctl */ 184 }; 185 186 int auvia_attach_codec(void *, struct ac97_codec_if *); 187 int auvia_write_codec(void *, u_int8_t, u_int16_t); 188 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 189 void auvia_reset_codec(void *); 190 int auvia_waitready_codec(struct auvia_softc *sc); 191 int auvia_waitvalid_codec(struct auvia_softc *sc); 192 193 194 int 195 auvia_match(struct device *parent, struct cfdata *match, void *aux) 196 { 197 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 198 199 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 200 return 0; 201 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_VIATECH_VT82C686A_AC97) 202 return 0; 203 204 return 1; 205 } 206 207 208 void 209 auvia_attach(struct device *parent, struct device *self, void *aux) 210 { 211 struct pci_attach_args *pa = aux; 212 struct auvia_softc *sc = (struct auvia_softc *) self; 213 const char *intrstr = NULL; 214 struct mixer_ctrl ctl; 215 pci_chipset_tag_t pc = pa->pa_pc; 216 pcitag_t pt = pa->pa_tag; 217 pci_intr_handle_t ih; 218 pcireg_t pr; 219 u_int16_t v; 220 int r, i; 221 222 r = PCI_REVISION(pa->pa_class); 223 sc->sc_revision[1] = '\0'; 224 if (r == 0x20) { 225 sc->sc_revision[0] = 'H'; 226 } else if ((r >= 0x10) && (r <= 0x14)) { 227 sc->sc_revision[0] = 'A' + (r - 0x10); 228 } else { 229 sprintf(sc->sc_revision, "0x%02X", r); 230 } 231 232 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 233 sc->sc_revision); 234 235 if (pci_intr_map(pa, &ih)) { 236 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 237 return; 238 } 239 intrstr = pci_intr_string(pc, ih); 240 241 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 242 if (sc->sc_ih == NULL) { 243 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 244 if (intrstr != NULL) 245 printf(" at %s", intrstr); 246 printf("\n"); 247 return; 248 } 249 250 sc->sc_dmat = pa->pa_dmat; 251 sc->sc_pc = pc; 252 sc->sc_pt = pt; 253 254 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 255 256 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 257 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 258 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 259 return; 260 } 261 262 /* disable SBPro compat & others */ 263 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 264 265 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 266 /* XXX what to do about MIDI, FM, joystick? */ 267 268 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 269 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 270 271 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 272 273 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 274 275 sc->host_if.arg = sc; 276 sc->host_if.attach = auvia_attach_codec; 277 sc->host_if.read = auvia_read_codec; 278 sc->host_if.write = auvia_write_codec; 279 sc->host_if.reset = auvia_reset_codec; 280 281 if ((r = ac97_attach(&sc->host_if)) != 0) { 282 printf("%s: can't attach codec (error 0x%X)\n", 283 sc->sc_dev.dv_xname, r); 284 return; 285 } 286 287 /* 288 * Print a warning if the codec doesn't support hardware variable 289 * rate audio. 290 */ 291 if (auvia_read_codec(sc, AC97_REG_EXTENDED_ID, &v) 292 || !(v & AC97_CODEC_DOES_VRA)) { 293 printf("%s: warning: codec doesn't support hardware AC'97 2.0 Variable Rate Audio\n", 294 sc->sc_dev.dv_xname); 295 sc->sc_fixed_rate = AUVIA_FIXED_RATE; /* XXX wrong value */ 296 } else { 297 /* enable VRA */ 298 auvia_write_codec(sc, AC97_REG_EXTENDED_STATUS, 299 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 300 sc->sc_fixed_rate = 0; 301 } 302 303 /* disable mutes */ 304 for (i = 0; i < 4; i++) { 305 static struct { 306 char *class, *device; 307 } d[] = { 308 { AudioCoutputs, AudioNmaster}, 309 { AudioCinputs, AudioNdac}, 310 { AudioCinputs, AudioNcd}, 311 { AudioCinputs, AudioNline}, 312 { AudioCrecord, AudioNvolume}, 313 }; 314 315 ctl.type = AUDIO_MIXER_ENUM; 316 ctl.un.ord = 0; 317 318 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 319 d[i].class, d[i].device, AudioNmute); 320 auvia_set_port(sc, &ctl); 321 } 322 323 /* set a reasonable default volume */ 324 325 ctl.type = AUDIO_MIXER_VALUE; 326 ctl.un.value.num_channels = 2; 327 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 328 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 329 330 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 331 AudioCoutputs, AudioNmaster, NULL); 332 auvia_set_port(sc, &ctl); 333 334 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 335 } 336 337 338 int 339 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 340 { 341 struct auvia_softc *sc = addr; 342 343 sc->codec_if = cif; 344 345 return 0; 346 } 347 348 349 void 350 auvia_reset_codec(void *addr) 351 { 352 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 353 struct auvia_softc *sc = addr; 354 pcireg_t r; 355 356 /* perform a codec cold reset */ 357 358 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 359 360 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 361 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 362 delay(2); 363 364 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 365 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 366 delay(200); 367 368 auvia_waitready_codec(sc); 369 #endif 370 } 371 372 373 int 374 auvia_waitready_codec(struct auvia_softc *sc) 375 { 376 int i; 377 378 /* poll until codec not busy */ 379 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 380 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 381 delay(1); 382 if (i >= TIMEOUT) { 383 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 384 return 1; 385 } 386 387 return 0; 388 } 389 390 391 int 392 auvia_waitvalid_codec(struct auvia_softc *sc) 393 { 394 int i; 395 396 /* poll until codec valid */ 397 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 398 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 399 delay(1); 400 if (i >= TIMEOUT) { 401 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 402 return 1; 403 } 404 405 return 0; 406 } 407 408 409 int 410 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 411 { 412 struct auvia_softc *sc = addr; 413 414 if (auvia_waitready_codec(sc)) 415 return 1; 416 417 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 418 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 419 420 return 0; 421 } 422 423 424 int 425 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 426 { 427 struct auvia_softc *sc = addr; 428 429 if (auvia_waitready_codec(sc)) 430 return 1; 431 432 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 433 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 434 435 if (auvia_waitready_codec(sc)) 436 return 1; 437 438 if (auvia_waitvalid_codec(sc)) 439 return 1; 440 441 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 442 443 return 0; 444 } 445 446 447 int 448 auvia_open(void *addr, int flags) 449 { 450 return 0; 451 } 452 453 454 void 455 auvia_close(void *addr) 456 { 457 struct auvia_softc *sc = addr; 458 459 auvia_halt_output(sc); 460 auvia_halt_input(sc); 461 462 sc->sc_play.sc_intr = NULL; 463 sc->sc_record.sc_intr = NULL; 464 } 465 466 467 int 468 auvia_query_encoding(void *addr, struct audio_encoding *fp) 469 { 470 switch (fp->index) { 471 case 0: 472 strcpy(fp->name, AudioEulinear); 473 fp->encoding = AUDIO_ENCODING_ULINEAR; 474 fp->precision = 8; 475 fp->flags = 0; 476 return (0); 477 case 1: 478 strcpy(fp->name, AudioEmulaw); 479 fp->encoding = AUDIO_ENCODING_ULAW; 480 fp->precision = 8; 481 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 482 return (0); 483 case 2: 484 strcpy(fp->name, AudioEalaw); 485 fp->encoding = AUDIO_ENCODING_ALAW; 486 fp->precision = 8; 487 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 488 return (0); 489 case 3: 490 strcpy(fp->name, AudioEslinear); 491 fp->encoding = AUDIO_ENCODING_SLINEAR; 492 fp->precision = 8; 493 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 494 return (0); 495 case 4: 496 strcpy(fp->name, AudioEslinear_le); 497 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 498 fp->precision = 16; 499 fp->flags = 0; 500 return (0); 501 case 5: 502 strcpy(fp->name, AudioEulinear_le); 503 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 504 fp->precision = 16; 505 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 506 return (0); 507 case 6: 508 strcpy(fp->name, AudioEslinear_be); 509 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 510 fp->precision = 16; 511 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 512 return (0); 513 case 7: 514 strcpy(fp->name, AudioEulinear_be); 515 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 516 fp->precision = 16; 517 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 518 return (0); 519 default: 520 return (EINVAL); 521 } 522 } 523 524 525 int 526 auvia_set_params(void *addr, int setmode, int usemode, 527 struct audio_params *play, struct audio_params *rec) 528 { 529 struct auvia_softc *sc = addr; 530 struct audio_params *p; 531 u_int16_t regval; 532 int reg, mode; 533 534 /* for mode in (RECORD, PLAY) */ 535 for (mode = AUMODE_RECORD; mode != -1; 536 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 537 if ((setmode & mode) == 0) 538 continue; 539 540 p = mode == AUMODE_PLAY ? play : rec; 541 542 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 543 (p->precision != 8 && p->precision != 16) || 544 (p->channels != 1 && p->channels != 2)) 545 return (EINVAL); 546 547 reg = mode == AUMODE_PLAY ? 548 AC97_REG_PCM_FRONT_DAC_RATE : AC97_REG_PCM_LR_ADC_RATE; 549 550 if (!sc->sc_fixed_rate) { 551 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 552 auvia_read_codec(sc, reg, ®val); 553 p->sample_rate = regval; 554 } else 555 p->sample_rate = sc->sc_fixed_rate; 556 557 p->factor = 1; 558 p->sw_code = 0; 559 switch (p->encoding) { 560 case AUDIO_ENCODING_SLINEAR_BE: 561 if (p->precision == 16) 562 p->sw_code = swap_bytes; 563 else 564 p->sw_code = change_sign8; 565 break; 566 case AUDIO_ENCODING_SLINEAR_LE: 567 if (p->precision != 16) 568 p->sw_code = change_sign8; 569 break; 570 case AUDIO_ENCODING_ULINEAR_BE: 571 if (p->precision == 16) { 572 if (mode == AUMODE_PLAY) 573 p->sw_code = swap_bytes_change_sign16_le; 574 else 575 p->sw_code = change_sign16_swap_bytes_le; 576 } 577 break; 578 case AUDIO_ENCODING_ULINEAR_LE: 579 if (p->precision == 16) 580 p->sw_code = change_sign16_le; 581 break; 582 case AUDIO_ENCODING_ULAW: 583 if (mode == AUMODE_PLAY) { 584 p->factor = 2; 585 p->sw_code = mulaw_to_slinear16_le; 586 } else 587 p->sw_code = ulinear8_to_mulaw; 588 break; 589 case AUDIO_ENCODING_ALAW: 590 if (mode == AUMODE_PLAY) { 591 p->factor = 2; 592 p->sw_code = alaw_to_slinear16_le; 593 } else 594 p->sw_code = ulinear8_to_alaw; 595 break; 596 default: 597 return (EINVAL); 598 } 599 600 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 601 | (p->precision * p->factor == 16 ? 602 AUVIA_RPMODE_16BIT : 0) 603 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 604 | AUVIA_RPMODE_AUTOSTART; 605 606 if (mode == AUMODE_PLAY) { 607 sc->sc_play.sc_reg = regval; 608 } else { 609 sc->sc_record.sc_reg = regval; 610 } 611 } 612 613 return 0; 614 } 615 616 617 int 618 auvia_round_blocksize(void *addr, int blk) 619 { 620 return (blk & -32); 621 } 622 623 624 int 625 auvia_halt_output(void *addr) 626 { 627 struct auvia_softc *sc = addr; 628 629 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 630 AUVIA_RPCTRL_TERMINATE); 631 632 return 0; 633 } 634 635 636 int 637 auvia_halt_input(void *addr) 638 { 639 struct auvia_softc *sc = addr; 640 641 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 642 AUVIA_RPCTRL_TERMINATE); 643 644 return 0; 645 } 646 647 648 int 649 auvia_getdev(void *addr, struct audio_device *retp) 650 { 651 struct auvia_softc *sc = addr; 652 653 if (retp) { 654 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 655 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 656 strncpy(retp->config, "auvia", sizeof(retp->config)); 657 } 658 659 return 0; 660 } 661 662 663 int 664 auvia_set_port(void *addr, mixer_ctrl_t *cp) 665 { 666 struct auvia_softc *sc = addr; 667 668 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 669 } 670 671 672 int 673 auvia_get_port(void *addr, mixer_ctrl_t *cp) 674 { 675 struct auvia_softc *sc = addr; 676 677 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 678 } 679 680 681 int 682 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 683 { 684 struct auvia_softc *sc = addr; 685 686 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 687 } 688 689 690 void * 691 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 692 { 693 struct auvia_softc *sc = addr; 694 struct auvia_dma *p; 695 int error; 696 int rseg; 697 698 p = malloc(sizeof(*p), pool, flags); 699 if (!p) 700 return 0; 701 702 p->size = size; 703 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 704 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 705 printf("%s: unable to allocate dma, error = %d\n", 706 sc->sc_dev.dv_xname, error); 707 goto fail_alloc; 708 } 709 710 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 711 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 712 printf("%s: unable to map dma, error = %d\n", 713 sc->sc_dev.dv_xname, error); 714 goto fail_map; 715 } 716 717 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 718 BUS_DMA_NOWAIT, &p->map)) != 0) { 719 printf("%s: unable to create dma map, error = %d\n", 720 sc->sc_dev.dv_xname, error); 721 goto fail_create; 722 } 723 724 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 725 BUS_DMA_NOWAIT)) != 0) { 726 printf("%s: unable to load dma map, error = %d\n", 727 sc->sc_dev.dv_xname, error); 728 goto fail_load; 729 } 730 731 p->next = sc->sc_dmas; 732 sc->sc_dmas = p; 733 734 return p->addr; 735 736 737 fail_load: 738 bus_dmamap_destroy(sc->sc_dmat, p->map); 739 fail_create: 740 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 741 fail_map: 742 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 743 fail_alloc: 744 free(p, pool); 745 return 0; 746 } 747 748 749 void 750 auvia_free(void *addr, void *ptr, int pool) 751 { 752 struct auvia_softc *sc = addr; 753 struct auvia_dma **pp, *p; 754 755 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 756 if (p->addr == ptr) { 757 bus_dmamap_unload(sc->sc_dmat, p->map); 758 bus_dmamap_destroy(sc->sc_dmat, p->map); 759 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 760 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 761 762 *pp = p->next; 763 free(p, pool); 764 return; 765 } 766 767 panic("auvia_free: trying to free unallocated memory"); 768 } 769 770 771 size_t 772 auvia_round_buffersize(void *addr, int direction, size_t size) 773 { 774 return size; 775 } 776 777 778 paddr_t 779 auvia_mappage(void *addr, void *mem, off_t off, int prot) 780 { 781 struct auvia_softc *sc = addr; 782 struct auvia_dma *p; 783 784 if (off < 0) 785 return -1; 786 787 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 788 ; 789 790 if (!p) 791 return -1; 792 793 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 794 BUS_DMA_WAITOK); 795 } 796 797 798 int 799 auvia_get_props(void *addr) 800 { 801 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 802 | AUDIO_PROP_FULLDUPLEX; 803 } 804 805 806 int 807 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 808 struct auvia_dma *p, void *start, void *end, int blksize) 809 { 810 struct auvia_dma_op *op; 811 struct auvia_dma *dp; 812 bus_addr_t s, e; 813 size_t l; 814 int segs; 815 816 s = p->map->dm_segs[0].ds_addr; 817 l = ((char *)end - (char *)start); 818 e = s + l; 819 segs = (l + blksize - 1) / blksize; 820 821 if (segs > (ch->sc_dma_op_count)) { 822 /* if old list was too small, free it */ 823 if (ch->sc_dma_ops) { 824 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 825 } 826 827 ch->sc_dma_ops = auvia_malloc(sc, 0, 828 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 829 830 if (ch->sc_dma_ops == NULL) { 831 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 832 return 1; 833 } 834 835 for (dp = sc->sc_dmas; 836 dp && dp->addr != (void *)(ch->sc_dma_ops); 837 dp = dp->next) 838 ; 839 840 if (!dp) 841 panic("%s: build_dma_ops: where'd my memory go??? " 842 "address (%p)\n", sc->sc_dev.dv_xname, 843 ch->sc_dma_ops); 844 845 ch->sc_dma_op_count = segs; 846 ch->sc_dma_ops_dma = dp; 847 } 848 849 dp = ch->sc_dma_ops_dma; 850 op = ch->sc_dma_ops; 851 852 while (l) { 853 op->ptr = s; 854 l = l - blksize; 855 if (!l) { 856 /* if last block */ 857 op->flags = AUVIA_DMAOP_EOL | blksize; 858 } else { 859 op->flags = AUVIA_DMAOP_FLAG | blksize; 860 } 861 s += blksize; 862 op++; 863 } 864 865 return 0; 866 } 867 868 869 int 870 auvia_trigger_output(void *addr, void *start, void *end, 871 int blksize, void (*intr)(void *), void *arg, 872 struct audio_params *param) 873 { 874 struct auvia_softc *sc = addr; 875 struct auvia_softc_chan *ch = &(sc->sc_play); 876 struct auvia_dma *p; 877 878 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 879 ; 880 881 if (!p) 882 panic("auvia_trigger_output: request with bad start " 883 "address (%p)\n", start); 884 885 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 886 return 1; 887 } 888 889 ch->sc_intr = intr; 890 ch->sc_arg = arg; 891 892 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 893 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 894 895 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 896 ch->sc_reg); 897 898 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 899 AUVIA_RPCTRL_START); 900 901 return 0; 902 } 903 904 905 int 906 auvia_trigger_input(void *addr, void *start, void *end, 907 int blksize, void (*intr)(void *), void *arg, 908 struct audio_params *param) 909 { 910 struct auvia_softc *sc = addr; 911 struct auvia_softc_chan *ch = &(sc->sc_record); 912 struct auvia_dma *p; 913 914 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 915 ; 916 917 if (!p) 918 panic("auvia_trigger_input: request with bad start " 919 "address (%p)\n", start); 920 921 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 922 return 1; 923 } 924 925 ch->sc_intr = intr; 926 ch->sc_arg = arg; 927 928 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 929 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 930 931 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 932 ch->sc_reg); 933 934 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 935 AUVIA_RPCTRL_START); 936 937 return 0; 938 } 939 940 941 int 942 auvia_intr(void *arg) 943 { 944 struct auvia_softc *sc = arg; 945 u_int8_t r; 946 947 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 948 if (r & AUVIA_RPSTAT_INTR) { 949 if (sc->sc_record.sc_intr) 950 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 951 952 /* clear interrupts */ 953 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 954 AUVIA_RPSTAT_INTR); 955 } 956 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 957 if (r & AUVIA_RPSTAT_INTR) { 958 if (sc->sc_play.sc_intr) 959 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 960 961 /* clear interrupts */ 962 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 963 AUVIA_RPSTAT_INTR); 964 } 965 966 return 1; 967 } 968
Indexes created Tue Sep 30 11:09:46 GMT 2025