auvia.c revision 1.21
1 /* $NetBSD: auvia.c,v 1.21 2002/10/02 16:51:03 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/cdefs.h> 50 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.21 2002/10/02 16:51:03 thorpej Exp $"); 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/malloc.h> 55 #include <sys/device.h> 56 #include <sys/audioio.h> 57 58 #include <uvm/uvm_extern.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 67 #include <dev/ic/ac97reg.h> 68 #include <dev/ic/ac97var.h> 69 70 #include <dev/pci/auviavar.h> 71 72 struct auvia_dma { 73 struct auvia_dma *next; 74 caddr_t addr; 75 size_t size; 76 bus_dmamap_t map; 77 bus_dma_segment_t seg; 78 }; 79 80 struct auvia_dma_op { 81 u_int32_t ptr; 82 u_int32_t flags; 83 #define AUVIA_DMAOP_EOL 0x80000000 84 #define AUVIA_DMAOP_FLAG 0x40000000 85 #define AUVIA_DMAOP_STOP 0x20000000 86 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 87 }; 88 89 /* rev. H and later seem to support only fixed rate 48 kHz */ 90 #define AUVIA_FIXED_RATE 48000 91 92 int auvia_match(struct device *, struct cfdata *, void *); 93 void auvia_attach(struct device *, struct device *, void *); 94 int auvia_open(void *, int); 95 void auvia_close(void *); 96 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 97 int auvia_set_params(void *, int, int, struct audio_params *, 98 struct audio_params *); 99 int auvia_round_blocksize(void *, int); 100 int auvia_halt_output(void *); 101 int auvia_halt_input(void *); 102 int auvia_getdev(void *, struct audio_device *); 103 int auvia_set_port(void *, mixer_ctrl_t *); 104 int auvia_get_port(void *, mixer_ctrl_t *); 105 int auvia_query_devinfo(void *, mixer_devinfo_t *); 106 void * auvia_malloc(void *, int, size_t, int, int); 107 void auvia_free(void *, void *, int); 108 size_t auvia_round_buffersize(void *, int, size_t); 109 paddr_t auvia_mappage(void *, void *, off_t, int); 110 int auvia_get_props(void *); 111 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 112 struct auvia_dma *, void *, void *, int); 113 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 114 void *, struct audio_params *); 115 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 116 void *, struct audio_params *); 117 118 int auvia_intr __P((void *)); 119 120 CFATTACH_DECL(auvia, sizeof (struct auvia_softc), 121 auvia_match, auvia_attach, NULL, NULL); 122 123 #define AUVIA_PCICONF_JUNK 0x40 124 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 125 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 126 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 127 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 128 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 129 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 130 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 131 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 132 133 #define AUVIA_PLAY_STAT 0x00 134 #define AUVIA_RECORD_STAT 0x10 135 #define AUVIA_RPSTAT_INTR 0x03 136 #define AUVIA_PLAY_CONTROL 0x01 137 #define AUVIA_RECORD_CONTROL 0x11 138 #define AUVIA_RPCTRL_START 0x80 139 #define AUVIA_RPCTRL_TERMINATE 0x40 140 #define AUVIA_PLAY_MODE 0x02 141 #define AUVIA_RECORD_MODE 0x12 142 #define AUVIA_RPMODE_INTR_FLAG 0x01 143 #define AUVIA_RPMODE_INTR_EOL 0x02 144 #define AUVIA_RPMODE_STEREO 0x10 145 #define AUVIA_RPMODE_16BIT 0x20 146 #define AUVIA_RPMODE_AUTOSTART 0x80 147 #define AUVIA_PLAY_DMAOPS_BASE 0x04 148 #define AUVIA_RECORD_DMAOPS_BASE 0x14 149 150 #define AUVIA_CODEC_CTL 0x80 151 #define AUVIA_CODEC_READ 0x00800000 152 #define AUVIA_CODEC_BUSY 0x01000000 153 #define AUVIA_CODEC_PRIVALID 0x02000000 154 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 155 156 #define TIMEOUT 50 157 158 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 NULL, /* dev_ioctl */ 186 }; 187 188 int auvia_attach_codec(void *, struct ac97_codec_if *); 189 int auvia_write_codec(void *, u_int8_t, u_int16_t); 190 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 191 void auvia_reset_codec(void *); 192 int auvia_waitready_codec(struct auvia_softc *sc); 193 int auvia_waitvalid_codec(struct auvia_softc *sc); 194 195 196 int 197 auvia_match(struct device *parent, struct cfdata *match, void *aux) 198 { 199 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 200 201 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 202 return 0; 203 switch (PCI_PRODUCT(pa->pa_id)) { 204 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 205 break; 206 default: 207 return 0; 208 } 209 210 return 1; 211 } 212 213 214 void 215 auvia_attach(struct device *parent, struct device *self, void *aux) 216 { 217 struct pci_attach_args *pa = aux; 218 struct auvia_softc *sc = (struct auvia_softc *) self; 219 const char *intrstr = NULL; 220 struct mixer_ctrl ctl; 221 pci_chipset_tag_t pc = pa->pa_pc; 222 pcitag_t pt = pa->pa_tag; 223 pci_intr_handle_t ih; 224 pcireg_t pr; 225 u_int16_t v; 226 int r, i; 227 228 r = PCI_REVISION(pa->pa_class); 229 sc->sc_revision[1] = '\0'; 230 if (r == 0x20) { 231 sc->sc_revision[0] = 'H'; 232 } else if ((r >= 0x10) && (r <= 0x14)) { 233 sc->sc_revision[0] = 'A' + (r - 0x10); 234 } else { 235 sprintf(sc->sc_revision, "0x%02X", r); 236 } 237 238 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 239 sc->sc_revision); 240 241 if (pci_intr_map(pa, &ih)) { 242 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 243 return; 244 } 245 intrstr = pci_intr_string(pc, ih); 246 247 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 248 if (sc->sc_ih == NULL) { 249 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 250 if (intrstr != NULL) 251 printf(" at %s", intrstr); 252 printf("\n"); 253 return; 254 } 255 256 sc->sc_dmat = pa->pa_dmat; 257 sc->sc_pc = pc; 258 sc->sc_pt = pt; 259 260 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 261 262 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 263 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 264 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 265 return; 266 } 267 268 /* disable SBPro compat & others */ 269 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 270 271 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 272 /* XXX what to do about MIDI, FM, joystick? */ 273 274 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 275 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 276 277 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 278 279 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 280 281 sc->host_if.arg = sc; 282 sc->host_if.attach = auvia_attach_codec; 283 sc->host_if.read = auvia_read_codec; 284 sc->host_if.write = auvia_write_codec; 285 sc->host_if.reset = auvia_reset_codec; 286 287 if ((r = ac97_attach(&sc->host_if)) != 0) { 288 printf("%s: can't attach codec (error 0x%X)\n", 289 sc->sc_dev.dv_xname, r); 290 return; 291 } 292 293 /* 294 * Print a warning if the codec doesn't support hardware variable 295 * rate audio. 296 */ 297 if (auvia_read_codec(sc, AC97_REG_EXTENDED_ID, &v) 298 || !(v & AC97_CODEC_DOES_VRA)) { 299 printf("%s: warning: codec doesn't support hardware AC'97 2.0 Variable Rate Audio\n", 300 sc->sc_dev.dv_xname); 301 sc->sc_fixed_rate = AUVIA_FIXED_RATE; /* XXX wrong value */ 302 } else { 303 /* enable VRA */ 304 auvia_write_codec(sc, AC97_REG_EXTENDED_STATUS, 305 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 306 sc->sc_fixed_rate = 0; 307 } 308 309 /* disable mutes */ 310 for (i = 0; i < 4; i++) { 311 static struct { 312 char *class, *device; 313 } d[] = { 314 { AudioCoutputs, AudioNmaster}, 315 { AudioCinputs, AudioNdac}, 316 { AudioCinputs, AudioNcd}, 317 { AudioCinputs, AudioNline}, 318 { AudioCrecord, AudioNvolume}, 319 }; 320 321 ctl.type = AUDIO_MIXER_ENUM; 322 ctl.un.ord = 0; 323 324 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 325 d[i].class, d[i].device, AudioNmute); 326 auvia_set_port(sc, &ctl); 327 } 328 329 /* set a reasonable default volume */ 330 331 ctl.type = AUDIO_MIXER_VALUE; 332 ctl.un.value.num_channels = 2; 333 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 334 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 335 336 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 337 AudioCoutputs, AudioNmaster, NULL); 338 auvia_set_port(sc, &ctl); 339 340 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 341 } 342 343 344 int 345 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 346 { 347 struct auvia_softc *sc = addr; 348 349 sc->codec_if = cif; 350 351 return 0; 352 } 353 354 355 void 356 auvia_reset_codec(void *addr) 357 { 358 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 359 struct auvia_softc *sc = addr; 360 pcireg_t r; 361 362 /* perform a codec cold reset */ 363 364 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 365 366 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 367 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 368 delay(2); 369 370 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 371 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 372 delay(200); 373 374 auvia_waitready_codec(sc); 375 #endif 376 } 377 378 379 int 380 auvia_waitready_codec(struct auvia_softc *sc) 381 { 382 int i; 383 384 /* poll until codec not busy */ 385 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 386 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 387 delay(1); 388 if (i >= TIMEOUT) { 389 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 390 return 1; 391 } 392 393 return 0; 394 } 395 396 397 int 398 auvia_waitvalid_codec(struct auvia_softc *sc) 399 { 400 int i; 401 402 /* poll until codec valid */ 403 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 404 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 405 delay(1); 406 if (i >= TIMEOUT) { 407 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 408 return 1; 409 } 410 411 return 0; 412 } 413 414 415 int 416 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 417 { 418 struct auvia_softc *sc = addr; 419 420 if (auvia_waitready_codec(sc)) 421 return 1; 422 423 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 424 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 425 426 return 0; 427 } 428 429 430 int 431 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 432 { 433 struct auvia_softc *sc = addr; 434 435 if (auvia_waitready_codec(sc)) 436 return 1; 437 438 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 439 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 440 441 if (auvia_waitready_codec(sc)) 442 return 1; 443 444 if (auvia_waitvalid_codec(sc)) 445 return 1; 446 447 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 448 449 return 0; 450 } 451 452 453 int 454 auvia_open(void *addr, int flags) 455 { 456 return 0; 457 } 458 459 460 void 461 auvia_close(void *addr) 462 { 463 struct auvia_softc *sc = addr; 464 465 auvia_halt_output(sc); 466 auvia_halt_input(sc); 467 468 sc->sc_play.sc_intr = NULL; 469 sc->sc_record.sc_intr = NULL; 470 } 471 472 473 int 474 auvia_query_encoding(void *addr, struct audio_encoding *fp) 475 { 476 switch (fp->index) { 477 case 0: 478 strcpy(fp->name, AudioEulinear); 479 fp->encoding = AUDIO_ENCODING_ULINEAR; 480 fp->precision = 8; 481 fp->flags = 0; 482 return (0); 483 case 1: 484 strcpy(fp->name, AudioEmulaw); 485 fp->encoding = AUDIO_ENCODING_ULAW; 486 fp->precision = 8; 487 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 488 return (0); 489 case 2: 490 strcpy(fp->name, AudioEalaw); 491 fp->encoding = AUDIO_ENCODING_ALAW; 492 fp->precision = 8; 493 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 494 return (0); 495 case 3: 496 strcpy(fp->name, AudioEslinear); 497 fp->encoding = AUDIO_ENCODING_SLINEAR; 498 fp->precision = 8; 499 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 500 return (0); 501 case 4: 502 strcpy(fp->name, AudioEslinear_le); 503 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 504 fp->precision = 16; 505 fp->flags = 0; 506 return (0); 507 case 5: 508 strcpy(fp->name, AudioEulinear_le); 509 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 510 fp->precision = 16; 511 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 512 return (0); 513 case 6: 514 strcpy(fp->name, AudioEslinear_be); 515 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 516 fp->precision = 16; 517 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 518 return (0); 519 case 7: 520 strcpy(fp->name, AudioEulinear_be); 521 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 522 fp->precision = 16; 523 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 524 return (0); 525 default: 526 return (EINVAL); 527 } 528 } 529 530 531 int 532 auvia_set_params(void *addr, int setmode, int usemode, 533 struct audio_params *play, struct audio_params *rec) 534 { 535 struct auvia_softc *sc = addr; 536 struct audio_params *p; 537 u_int16_t regval; 538 int reg, mode; 539 540 /* for mode in (RECORD, PLAY) */ 541 for (mode = AUMODE_RECORD; mode != -1; 542 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 543 if ((setmode & mode) == 0) 544 continue; 545 546 p = mode == AUMODE_PLAY ? play : rec; 547 548 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 549 (p->precision != 8 && p->precision != 16) || 550 (p->channels != 1 && p->channels != 2)) 551 return (EINVAL); 552 553 reg = mode == AUMODE_PLAY ? 554 AC97_REG_PCM_FRONT_DAC_RATE : AC97_REG_PCM_LR_ADC_RATE; 555 556 if (!sc->sc_fixed_rate) { 557 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 558 auvia_read_codec(sc, reg, ®val); 559 p->sample_rate = regval; 560 } else 561 p->sample_rate = sc->sc_fixed_rate; 562 563 p->factor = 1; 564 p->sw_code = 0; 565 switch (p->encoding) { 566 case AUDIO_ENCODING_SLINEAR_BE: 567 if (p->precision == 16) 568 p->sw_code = swap_bytes; 569 else 570 p->sw_code = change_sign8; 571 break; 572 case AUDIO_ENCODING_SLINEAR_LE: 573 if (p->precision != 16) 574 p->sw_code = change_sign8; 575 break; 576 case AUDIO_ENCODING_ULINEAR_BE: 577 if (p->precision == 16) { 578 if (mode == AUMODE_PLAY) 579 p->sw_code = swap_bytes_change_sign16_le; 580 else 581 p->sw_code = change_sign16_swap_bytes_le; 582 } 583 break; 584 case AUDIO_ENCODING_ULINEAR_LE: 585 if (p->precision == 16) 586 p->sw_code = change_sign16_le; 587 break; 588 case AUDIO_ENCODING_ULAW: 589 if (mode == AUMODE_PLAY) { 590 p->factor = 2; 591 p->sw_code = mulaw_to_slinear16_le; 592 } else 593 p->sw_code = ulinear8_to_mulaw; 594 break; 595 case AUDIO_ENCODING_ALAW: 596 if (mode == AUMODE_PLAY) { 597 p->factor = 2; 598 p->sw_code = alaw_to_slinear16_le; 599 } else 600 p->sw_code = ulinear8_to_alaw; 601 break; 602 default: 603 return (EINVAL); 604 } 605 606 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 607 | (p->precision * p->factor == 16 ? 608 AUVIA_RPMODE_16BIT : 0) 609 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 610 | AUVIA_RPMODE_AUTOSTART; 611 612 if (mode == AUMODE_PLAY) { 613 sc->sc_play.sc_reg = regval; 614 } else { 615 sc->sc_record.sc_reg = regval; 616 } 617 } 618 619 return 0; 620 } 621 622 623 int 624 auvia_round_blocksize(void *addr, int blk) 625 { 626 return (blk & -32); 627 } 628 629 630 int 631 auvia_halt_output(void *addr) 632 { 633 struct auvia_softc *sc = addr; 634 635 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 636 AUVIA_RPCTRL_TERMINATE); 637 638 return 0; 639 } 640 641 642 int 643 auvia_halt_input(void *addr) 644 { 645 struct auvia_softc *sc = addr; 646 647 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 648 AUVIA_RPCTRL_TERMINATE); 649 650 return 0; 651 } 652 653 654 int 655 auvia_getdev(void *addr, struct audio_device *retp) 656 { 657 struct auvia_softc *sc = addr; 658 659 if (retp) { 660 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 661 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 662 strncpy(retp->config, "auvia", sizeof(retp->config)); 663 } 664 665 return 0; 666 } 667 668 669 int 670 auvia_set_port(void *addr, mixer_ctrl_t *cp) 671 { 672 struct auvia_softc *sc = addr; 673 674 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 675 } 676 677 678 int 679 auvia_get_port(void *addr, mixer_ctrl_t *cp) 680 { 681 struct auvia_softc *sc = addr; 682 683 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 684 } 685 686 687 int 688 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 689 { 690 struct auvia_softc *sc = addr; 691 692 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 693 } 694 695 696 void * 697 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 698 { 699 struct auvia_softc *sc = addr; 700 struct auvia_dma *p; 701 int error; 702 int rseg; 703 704 p = malloc(sizeof(*p), pool, flags); 705 if (!p) 706 return 0; 707 708 p->size = size; 709 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 710 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 711 printf("%s: unable to allocate dma, error = %d\n", 712 sc->sc_dev.dv_xname, error); 713 goto fail_alloc; 714 } 715 716 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 717 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 718 printf("%s: unable to map dma, error = %d\n", 719 sc->sc_dev.dv_xname, error); 720 goto fail_map; 721 } 722 723 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 724 BUS_DMA_NOWAIT, &p->map)) != 0) { 725 printf("%s: unable to create dma map, error = %d\n", 726 sc->sc_dev.dv_xname, error); 727 goto fail_create; 728 } 729 730 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 731 BUS_DMA_NOWAIT)) != 0) { 732 printf("%s: unable to load dma map, error = %d\n", 733 sc->sc_dev.dv_xname, error); 734 goto fail_load; 735 } 736 737 p->next = sc->sc_dmas; 738 sc->sc_dmas = p; 739 740 return p->addr; 741 742 743 fail_load: 744 bus_dmamap_destroy(sc->sc_dmat, p->map); 745 fail_create: 746 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 747 fail_map: 748 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 749 fail_alloc: 750 free(p, pool); 751 return 0; 752 } 753 754 755 void 756 auvia_free(void *addr, void *ptr, int pool) 757 { 758 struct auvia_softc *sc = addr; 759 struct auvia_dma **pp, *p; 760 761 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 762 if (p->addr == ptr) { 763 bus_dmamap_unload(sc->sc_dmat, p->map); 764 bus_dmamap_destroy(sc->sc_dmat, p->map); 765 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 766 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 767 768 *pp = p->next; 769 free(p, pool); 770 return; 771 } 772 773 panic("auvia_free: trying to free unallocated memory"); 774 } 775 776 777 size_t 778 auvia_round_buffersize(void *addr, int direction, size_t size) 779 { 780 return size; 781 } 782 783 784 paddr_t 785 auvia_mappage(void *addr, void *mem, off_t off, int prot) 786 { 787 struct auvia_softc *sc = addr; 788 struct auvia_dma *p; 789 790 if (off < 0) 791 return -1; 792 793 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 794 ; 795 796 if (!p) 797 return -1; 798 799 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 800 BUS_DMA_WAITOK); 801 } 802 803 804 int 805 auvia_get_props(void *addr) 806 { 807 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 808 | AUDIO_PROP_FULLDUPLEX; 809 } 810 811 812 int 813 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 814 struct auvia_dma *p, void *start, void *end, int blksize) 815 { 816 struct auvia_dma_op *op; 817 struct auvia_dma *dp; 818 bus_addr_t s, e; 819 size_t l; 820 int segs; 821 822 s = p->map->dm_segs[0].ds_addr; 823 l = ((char *)end - (char *)start); 824 e = s + l; 825 segs = (l + blksize - 1) / blksize; 826 827 if (segs > (ch->sc_dma_op_count)) { 828 /* if old list was too small, free it */ 829 if (ch->sc_dma_ops) { 830 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 831 } 832 833 ch->sc_dma_ops = auvia_malloc(sc, 0, 834 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 835 836 if (ch->sc_dma_ops == NULL) { 837 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 838 return 1; 839 } 840 841 for (dp = sc->sc_dmas; 842 dp && dp->addr != (void *)(ch->sc_dma_ops); 843 dp = dp->next) 844 ; 845 846 if (!dp) 847 panic("%s: build_dma_ops: where'd my memory go??? " 848 "address (%p)\n", sc->sc_dev.dv_xname, 849 ch->sc_dma_ops); 850 851 ch->sc_dma_op_count = segs; 852 ch->sc_dma_ops_dma = dp; 853 } 854 855 dp = ch->sc_dma_ops_dma; 856 op = ch->sc_dma_ops; 857 858 while (l) { 859 op->ptr = s; 860 l = l - blksize; 861 if (!l) { 862 /* if last block */ 863 op->flags = AUVIA_DMAOP_EOL | blksize; 864 } else { 865 op->flags = AUVIA_DMAOP_FLAG | blksize; 866 } 867 s += blksize; 868 op++; 869 } 870 871 return 0; 872 } 873 874 875 int 876 auvia_trigger_output(void *addr, void *start, void *end, 877 int blksize, void (*intr)(void *), void *arg, 878 struct audio_params *param) 879 { 880 struct auvia_softc *sc = addr; 881 struct auvia_softc_chan *ch = &(sc->sc_play); 882 struct auvia_dma *p; 883 884 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 885 ; 886 887 if (!p) 888 panic("auvia_trigger_output: request with bad start " 889 "address (%p)", start); 890 891 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 892 return 1; 893 } 894 895 ch->sc_intr = intr; 896 ch->sc_arg = arg; 897 898 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 899 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 900 901 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 902 ch->sc_reg); 903 904 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 905 AUVIA_RPCTRL_START); 906 907 return 0; 908 } 909 910 911 int 912 auvia_trigger_input(void *addr, void *start, void *end, 913 int blksize, void (*intr)(void *), void *arg, 914 struct audio_params *param) 915 { 916 struct auvia_softc *sc = addr; 917 struct auvia_softc_chan *ch = &(sc->sc_record); 918 struct auvia_dma *p; 919 920 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 921 ; 922 923 if (!p) 924 panic("auvia_trigger_input: request with bad start " 925 "address (%p)", start); 926 927 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 928 return 1; 929 } 930 931 ch->sc_intr = intr; 932 ch->sc_arg = arg; 933 934 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 935 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 936 937 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 938 ch->sc_reg); 939 940 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 941 AUVIA_RPCTRL_START); 942 943 return 0; 944 } 945 946 947 int 948 auvia_intr(void *arg) 949 { 950 struct auvia_softc *sc = arg; 951 u_int8_t r; 952 int rval; 953 954 rval = 0; 955 956 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 957 if (r & AUVIA_RPSTAT_INTR) { 958 if (sc->sc_record.sc_intr) 959 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 960 961 /* clear interrupts */ 962 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 963 AUVIA_RPSTAT_INTR); 964 rval = 1; 965 } 966 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 967 if (r & AUVIA_RPSTAT_INTR) { 968 if (sc->sc_play.sc_intr) 969 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 970 971 /* clear interrupts */ 972 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 973 AUVIA_RPSTAT_INTR); 974 rval = 1; 975 } 976 977 return rval; 978 } 979
Indexes created Tue Sep 30 11:09:46 GMT 2025