auvia.c revision 1.3
1 /* $NetBSD: auvia.c,v 1.3 2000/05/15 01:27:46 thorpej 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/ac97var.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 struct auvia_softc *sc = addr; 456 457 auvia_halt_output(sc); 458 auvia_halt_input(sc); 459 460 sc->sc_play.sc_intr = NULL; 461 sc->sc_record.sc_intr = NULL; 462 } 463 464 465 int 466 auvia_query_encoding(void *addr, struct audio_encoding *fp) 467 { 468 switch (fp->index) { 469 case 0: 470 strcpy(fp->name, AudioEulinear); 471 fp->encoding = AUDIO_ENCODING_ULINEAR; 472 fp->precision = 8; 473 fp->flags = 0; 474 return (0); 475 case 1: 476 strcpy(fp->name, AudioEmulaw); 477 fp->encoding = AUDIO_ENCODING_ULAW; 478 fp->precision = 8; 479 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 480 return (0); 481 case 2: 482 strcpy(fp->name, AudioEalaw); 483 fp->encoding = AUDIO_ENCODING_ALAW; 484 fp->precision = 8; 485 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 486 return (0); 487 case 3: 488 strcpy(fp->name, AudioEslinear); 489 fp->encoding = AUDIO_ENCODING_SLINEAR; 490 fp->precision = 8; 491 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 492 return (0); 493 case 4: 494 strcpy(fp->name, AudioEslinear_le); 495 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 496 fp->precision = 16; 497 fp->flags = 0; 498 return (0); 499 case 5: 500 strcpy(fp->name, AudioEulinear_le); 501 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 502 fp->precision = 16; 503 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 504 return (0); 505 case 6: 506 strcpy(fp->name, AudioEslinear_be); 507 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 508 fp->precision = 16; 509 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 510 return (0); 511 case 7: 512 strcpy(fp->name, AudioEulinear_be); 513 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 514 fp->precision = 16; 515 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 516 return (0); 517 default: 518 return (EINVAL); 519 } 520 } 521 522 523 int 524 auvia_set_params(void *addr, int setmode, int usemode, 525 struct audio_params *play, struct audio_params *rec) 526 { 527 struct auvia_softc *sc = addr; 528 struct audio_params *p; 529 u_int16_t regval; 530 int reg, mode; 531 532 /* for mode in (RECORD, PLAY) */ 533 for (mode = AUMODE_RECORD; mode != -1; 534 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 535 if ((setmode & mode) == 0) 536 continue; 537 538 p = mode == AUMODE_PLAY ? play : rec; 539 540 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 541 (p->precision != 8 && p->precision != 16) || 542 (p->channels != 1 && p->channels != 2)) 543 return (EINVAL); 544 545 reg = mode == AUMODE_PLAY ? 546 AC97_REG_EXT_DAC_RATE : AC97_REG_EXT_ADC_RATE; 547 548 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 549 auvia_read_codec(sc, reg, ®val); 550 p->sample_rate = regval; 551 552 p->factor = 1; 553 p->sw_code = 0; 554 switch (p->encoding) { 555 case AUDIO_ENCODING_SLINEAR_BE: 556 if (p->precision == 16) 557 p->sw_code = swap_bytes; 558 else 559 p->sw_code = change_sign8; 560 break; 561 case AUDIO_ENCODING_SLINEAR_LE: 562 if (p->precision != 16) 563 p->sw_code = change_sign8; 564 break; 565 case AUDIO_ENCODING_ULINEAR_BE: 566 if (p->precision == 16) { 567 if (mode == AUMODE_PLAY) 568 p->sw_code = swap_bytes_change_sign16_le; 569 else 570 p->sw_code = change_sign16_swap_bytes_le; 571 } 572 break; 573 case AUDIO_ENCODING_ULINEAR_LE: 574 if (p->precision == 16) 575 p->sw_code = change_sign16_le; 576 break; 577 case AUDIO_ENCODING_ULAW: 578 if (mode == AUMODE_PLAY) { 579 p->factor = 2; 580 p->sw_code = mulaw_to_slinear16_le; 581 } else 582 p->sw_code = ulinear8_to_mulaw; 583 break; 584 case AUDIO_ENCODING_ALAW: 585 if (mode == AUMODE_PLAY) { 586 p->factor = 2; 587 p->sw_code = alaw_to_slinear16_le; 588 } else 589 p->sw_code = ulinear8_to_alaw; 590 break; 591 default: 592 return (EINVAL); 593 } 594 595 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 596 | (p->precision * p->factor == 16 ? 597 AUVIA_RPMODE_16BIT : 0) 598 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 599 | AUVIA_RPMODE_AUTOSTART; 600 601 if (mode == AUMODE_PLAY) { 602 sc->sc_play.sc_reg = regval; 603 } else { 604 sc->sc_record.sc_reg = regval; 605 } 606 } 607 608 return 0; 609 } 610 611 612 int 613 auvia_round_blocksize(void *addr, int blk) 614 { 615 return (blk & -32); 616 } 617 618 619 int 620 auvia_halt_output(void *addr) 621 { 622 struct auvia_softc *sc = addr; 623 624 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 625 AUVIA_RPCTRL_TERMINATE); 626 627 return 0; 628 } 629 630 631 int 632 auvia_halt_input(void *addr) 633 { 634 struct auvia_softc *sc = addr; 635 636 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 637 AUVIA_RPCTRL_TERMINATE); 638 639 return 0; 640 } 641 642 643 int 644 auvia_getdev(void *addr, struct audio_device *retp) 645 { 646 struct auvia_softc *sc = addr; 647 648 if (retp) { 649 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 650 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 651 strncpy(retp->config, "auvia", sizeof(retp->config)); 652 } 653 654 return 0; 655 } 656 657 658 int 659 auvia_set_port(void *addr, mixer_ctrl_t *cp) 660 { 661 struct auvia_softc *sc = addr; 662 663 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 664 } 665 666 667 int 668 auvia_get_port(void *addr, mixer_ctrl_t *cp) 669 { 670 struct auvia_softc *sc = addr; 671 672 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 673 } 674 675 676 int 677 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 678 { 679 struct auvia_softc *sc = addr; 680 681 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 682 } 683 684 685 void * 686 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 687 { 688 struct auvia_softc *sc = addr; 689 struct auvia_dma *p; 690 int error; 691 int rseg; 692 693 p = malloc(sizeof(*p), pool, flags); 694 if (!p) 695 return 0; 696 697 p->size = size; 698 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, NBPG, 0, &p->seg, 1, 699 &rseg, BUS_DMA_NOWAIT)) != 0) { 700 printf("%s: unable to allocate dma, error = %d\n", 701 sc->sc_dev.dv_xname, error); 702 goto fail_alloc; 703 } 704 705 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 706 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 707 printf("%s: unable to map dma, error = %d\n", 708 sc->sc_dev.dv_xname, error); 709 goto fail_map; 710 } 711 712 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 713 BUS_DMA_NOWAIT, &p->map)) != 0) { 714 printf("%s: unable to create dma map, error = %d\n", 715 sc->sc_dev.dv_xname, error); 716 goto fail_create; 717 } 718 719 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 720 BUS_DMA_NOWAIT)) != 0) { 721 printf("%s: unable to load dma map, error = %d\n", 722 sc->sc_dev.dv_xname, error); 723 goto fail_load; 724 } 725 726 p->next = sc->sc_dmas; 727 sc->sc_dmas = p; 728 729 return p->addr; 730 731 732 fail_load: 733 bus_dmamap_destroy(sc->sc_dmat, p->map); 734 fail_create: 735 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 736 fail_map: 737 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 738 fail_alloc: 739 free(p, pool); 740 return 0; 741 } 742 743 744 void 745 auvia_free(void *addr, void *ptr, int pool) 746 { 747 struct auvia_softc *sc = addr; 748 struct auvia_dma **pp, *p; 749 750 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 751 if (p->addr == ptr) { 752 bus_dmamap_unload(sc->sc_dmat, p->map); 753 bus_dmamap_destroy(sc->sc_dmat, p->map); 754 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 755 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 756 757 *pp = p->next; 758 free(p, pool); 759 return; 760 } 761 762 panic("auvia_free: trying to free unallocated memory"); 763 } 764 765 766 size_t 767 auvia_round_buffersize(void *addr, int direction, size_t size) 768 { 769 return size; 770 } 771 772 773 int 774 auvia_mappage(void *addr, void *mem, int off, int prot) 775 { 776 struct auvia_softc *sc = addr; 777 struct auvia_dma *p; 778 779 if (off < 0) 780 return -1; 781 782 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 783 ; 784 785 if (!p) 786 return -1; 787 788 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 789 BUS_DMA_WAITOK); 790 } 791 792 793 int 794 auvia_get_props(void *addr) 795 { 796 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 797 | AUDIO_PROP_FULLDUPLEX; 798 } 799 800 801 int 802 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 803 struct auvia_dma *p, void *start, void *end, int blksize) 804 { 805 struct auvia_dma_op *op; 806 struct auvia_dma *dp; 807 bus_addr_t s, e; 808 size_t l; 809 int segs; 810 811 s = p->map->dm_segs[0].ds_addr; 812 l = ((char *)end - (char *)start); 813 e = s + l; 814 segs = (l + blksize - 1) / blksize; 815 816 if (segs > (ch->sc_dma_op_count)) { 817 /* if old list was too small, free it */ 818 if (ch->sc_dma_ops) { 819 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 820 } 821 822 ch->sc_dma_ops = auvia_malloc(sc, 0, 823 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 824 825 if (ch->sc_dma_ops == NULL) { 826 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 827 return 1; 828 } 829 830 for (dp = sc->sc_dmas; 831 dp && dp->addr != (void *)(ch->sc_dma_ops); 832 dp = dp->next) 833 ; 834 835 if (!dp) 836 panic("%s: build_dma_ops: where'd my memory go??? " 837 "address (%p)\n", sc->sc_dev.dv_xname, 838 ch->sc_dma_ops); 839 840 ch->sc_dma_op_count = segs; 841 ch->sc_dma_ops_dma = dp; 842 } 843 844 dp = ch->sc_dma_ops_dma; 845 op = ch->sc_dma_ops; 846 847 while (l) { 848 op->ptr = s; 849 l = l - blksize; 850 if (!l) { 851 /* if last block */ 852 op->flags = AUVIA_DMAOP_EOL | blksize; 853 } else { 854 op->flags = AUVIA_DMAOP_FLAG | blksize; 855 } 856 s += blksize; 857 op++; 858 } 859 860 return 0; 861 } 862 863 864 int 865 auvia_trigger_output(void *addr, void *start, void *end, 866 int blksize, void (*intr)(void *), void *arg, 867 struct audio_params *param) 868 { 869 struct auvia_softc *sc = addr; 870 struct auvia_softc_chan *ch = &(sc->sc_play); 871 struct auvia_dma *p; 872 873 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 874 ; 875 876 if (!p) 877 panic("auvia_trigger_output: request with bad start " 878 "address (%p)\n", start); 879 880 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 881 return 1; 882 } 883 884 ch->sc_intr = intr; 885 ch->sc_arg = arg; 886 887 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 888 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 889 890 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 891 ch->sc_reg); 892 893 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 894 AUVIA_RPCTRL_START); 895 896 return 0; 897 } 898 899 900 int 901 auvia_trigger_input(void *addr, void *start, void *end, 902 int blksize, void (*intr)(void *), void *arg, 903 struct audio_params *param) 904 { 905 struct auvia_softc *sc = addr; 906 struct auvia_softc_chan *ch = &(sc->sc_record); 907 struct auvia_dma *p; 908 909 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 910 ; 911 912 if (!p) 913 panic("auvia_trigger_input: request with bad start " 914 "address (%p)\n", start); 915 916 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 917 return 1; 918 } 919 920 ch->sc_intr = intr; 921 ch->sc_arg = arg; 922 923 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 924 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 925 926 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 927 ch->sc_reg); 928 929 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 930 AUVIA_RPCTRL_START); 931 932 return 0; 933 } 934 935 936 int 937 auvia_intr(void *arg) 938 { 939 struct auvia_softc *sc = arg; 940 u_int8_t r; 941 942 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 943 if (r & AUVIA_RPSTAT_INTR) { 944 if (sc->sc_record.sc_intr) 945 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 946 947 /* clear interrupts */ 948 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 949 AUVIA_RPSTAT_INTR); 950 } 951 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 952 if (r & AUVIA_RPSTAT_INTR) { 953 if (sc->sc_play.sc_intr) 954 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 955 956 /* clear interrupts */ 957 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 958 AUVIA_RPSTAT_INTR); 959 } 960 961 return 1; 962 } 963
Indexes created Mon Sep 29 21:09:56 GMT 2025