auvia.c revision 1.15
1 /* $NetBSD: auvia.c,v 1.15 2002/03/16 17:20:05 jmcneill 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 1.15 2002/03/16 17:20:05 jmcneill 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 struct cfattach auvia_ca = { 121 sizeof (struct auvia_softc), auvia_match, auvia_attach 122 }; 123 124 #define AUVIA_PCICONF_JUNK 0x40 125 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 126 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 127 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 128 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 129 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 130 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 131 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 132 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 133 134 #define AUVIA_PLAY_STAT 0x00 135 #define AUVIA_RECORD_STAT 0x10 136 #define AUVIA_RPSTAT_INTR 0x03 137 #define AUVIA_PLAY_CONTROL 0x01 138 #define AUVIA_RECORD_CONTROL 0x11 139 #define AUVIA_RPCTRL_START 0x80 140 #define AUVIA_RPCTRL_TERMINATE 0x40 141 #define AUVIA_PLAY_MODE 0x02 142 #define AUVIA_RECORD_MODE 0x12 143 #define AUVIA_RPMODE_INTR_FLAG 0x01 144 #define AUVIA_RPMODE_INTR_EOL 0x02 145 #define AUVIA_RPMODE_STEREO 0x10 146 #define AUVIA_RPMODE_16BIT 0x20 147 #define AUVIA_RPMODE_AUTOSTART 0x80 148 #define AUVIA_PLAY_DMAOPS_BASE 0x04 149 #define AUVIA_RECORD_DMAOPS_BASE 0x14 150 151 #define AUVIA_CODEC_CTL 0x80 152 #define AUVIA_CODEC_READ 0x00800000 153 #define AUVIA_CODEC_BUSY 0x01000000 154 #define AUVIA_CODEC_PRIVALID 0x02000000 155 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 156 157 #define TIMEOUT 50 158 159 struct audio_hw_if auvia_hw_if = { 160 auvia_open, 161 auvia_close, 162 NULL, /* drain */ 163 auvia_query_encoding, 164 auvia_set_params, 165 auvia_round_blocksize, 166 NULL, /* commit_settings */ 167 NULL, /* init_output */ 168 NULL, /* init_input */ 169 NULL, /* start_output */ 170 NULL, /* start_input */ 171 auvia_halt_output, 172 auvia_halt_input, 173 NULL, /* speaker_ctl */ 174 auvia_getdev, 175 NULL, /* setfd */ 176 auvia_set_port, 177 auvia_get_port, 178 auvia_query_devinfo, 179 auvia_malloc, 180 auvia_free, 181 auvia_round_buffersize, 182 auvia_mappage, 183 auvia_get_props, 184 auvia_trigger_output, 185 auvia_trigger_input, 186 NULL, /* dev_ioctl */ 187 }; 188 189 int auvia_attach_codec(void *, struct ac97_codec_if *); 190 int auvia_write_codec(void *, u_int8_t, u_int16_t); 191 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 192 void auvia_reset_codec(void *); 193 int auvia_waitready_codec(struct auvia_softc *sc); 194 int auvia_waitvalid_codec(struct auvia_softc *sc); 195 196 197 int 198 auvia_match(struct device *parent, struct cfdata *match, void *aux) 199 { 200 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 201 202 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 203 return 0; 204 switch (PCI_PRODUCT(pa->pa_id)) { 205 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 206 case PCI_PRODUCT_VIATECH_VT8233_AC97: 207 break; 208 default: 209 return 0; 210 } 211 212 return 1; 213 } 214 215 216 void 217 auvia_attach(struct device *parent, struct device *self, void *aux) 218 { 219 struct pci_attach_args *pa = aux; 220 struct auvia_softc *sc = (struct auvia_softc *) self; 221 const char *intrstr = NULL; 222 struct mixer_ctrl ctl; 223 pci_chipset_tag_t pc = pa->pa_pc; 224 pcitag_t pt = pa->pa_tag; 225 pci_intr_handle_t ih; 226 pcireg_t pr; 227 u_int16_t v; 228 int r, i; 229 230 r = PCI_REVISION(pa->pa_class); 231 sc->sc_revision[1] = '\0'; 232 if (r == 0x20) { 233 sc->sc_revision[0] = 'H'; 234 } else if ((r >= 0x10) && (r <= 0x14)) { 235 sc->sc_revision[0] = 'A' + (r - 0x10); 236 } else { 237 sprintf(sc->sc_revision, "0x%02X", r); 238 } 239 240 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 241 sc->sc_revision); 242 243 if (pci_intr_map(pa, &ih)) { 244 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 245 return; 246 } 247 intrstr = pci_intr_string(pc, ih); 248 249 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 250 if (sc->sc_ih == NULL) { 251 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 252 if (intrstr != NULL) 253 printf(" at %s", intrstr); 254 printf("\n"); 255 return; 256 } 257 258 sc->sc_dmat = pa->pa_dmat; 259 sc->sc_pc = pc; 260 sc->sc_pt = pt; 261 262 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 263 264 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 265 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 266 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 267 return; 268 } 269 270 /* disable SBPro compat & others */ 271 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 272 273 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 274 /* XXX what to do about MIDI, FM, joystick? */ 275 276 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 277 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 278 279 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 280 281 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 282 283 sc->host_if.arg = sc; 284 sc->host_if.attach = auvia_attach_codec; 285 sc->host_if.read = auvia_read_codec; 286 sc->host_if.write = auvia_write_codec; 287 sc->host_if.reset = auvia_reset_codec; 288 289 if ((r = ac97_attach(&sc->host_if)) != 0) { 290 printf("%s: can't attach codec (error 0x%X)\n", 291 sc->sc_dev.dv_xname, r); 292 return; 293 } 294 295 /* 296 * Print a warning if the codec doesn't support hardware variable 297 * rate audio. 298 */ 299 if (auvia_read_codec(sc, AC97_REG_EXTENDED_ID, &v) 300 || !(v & AC97_CODEC_DOES_VRA)) { 301 printf("%s: warning: codec doesn't support hardware AC'97 2.0 Variable Rate Audio\n", 302 sc->sc_dev.dv_xname); 303 sc->sc_fixed_rate = AUVIA_FIXED_RATE; /* XXX wrong value */ 304 } else { 305 /* enable VRA */ 306 auvia_write_codec(sc, AC97_REG_EXTENDED_STATUS, 307 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 308 sc->sc_fixed_rate = 0; 309 } 310 311 /* disable mutes */ 312 for (i = 0; i < 4; i++) { 313 static struct { 314 char *class, *device; 315 } d[] = { 316 { AudioCoutputs, AudioNmaster}, 317 { AudioCinputs, AudioNdac}, 318 { AudioCinputs, AudioNcd}, 319 { AudioCinputs, AudioNline}, 320 { AudioCrecord, AudioNvolume}, 321 }; 322 323 ctl.type = AUDIO_MIXER_ENUM; 324 ctl.un.ord = 0; 325 326 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 327 d[i].class, d[i].device, AudioNmute); 328 auvia_set_port(sc, &ctl); 329 } 330 331 /* set a reasonable default volume */ 332 333 ctl.type = AUDIO_MIXER_VALUE; 334 ctl.un.value.num_channels = 2; 335 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 336 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 337 338 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 339 AudioCoutputs, AudioNmaster, NULL); 340 auvia_set_port(sc, &ctl); 341 342 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 343 } 344 345 346 int 347 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 348 { 349 struct auvia_softc *sc = addr; 350 351 sc->codec_if = cif; 352 353 return 0; 354 } 355 356 357 void 358 auvia_reset_codec(void *addr) 359 { 360 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 361 struct auvia_softc *sc = addr; 362 pcireg_t r; 363 364 /* perform a codec cold reset */ 365 366 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 367 368 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 369 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 370 delay(2); 371 372 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 373 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 374 delay(200); 375 376 auvia_waitready_codec(sc); 377 #endif 378 } 379 380 381 int 382 auvia_waitready_codec(struct auvia_softc *sc) 383 { 384 int i; 385 386 /* poll until codec not busy */ 387 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 388 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 389 delay(1); 390 if (i >= TIMEOUT) { 391 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 392 return 1; 393 } 394 395 return 0; 396 } 397 398 399 int 400 auvia_waitvalid_codec(struct auvia_softc *sc) 401 { 402 int i; 403 404 /* poll until codec valid */ 405 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 406 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 407 delay(1); 408 if (i >= TIMEOUT) { 409 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 410 return 1; 411 } 412 413 return 0; 414 } 415 416 417 int 418 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 419 { 420 struct auvia_softc *sc = addr; 421 422 if (auvia_waitready_codec(sc)) 423 return 1; 424 425 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 426 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 427 428 return 0; 429 } 430 431 432 int 433 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 434 { 435 struct auvia_softc *sc = addr; 436 437 if (auvia_waitready_codec(sc)) 438 return 1; 439 440 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 441 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 442 443 if (auvia_waitready_codec(sc)) 444 return 1; 445 446 if (auvia_waitvalid_codec(sc)) 447 return 1; 448 449 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 450 451 return 0; 452 } 453 454 455 int 456 auvia_open(void *addr, int flags) 457 { 458 return 0; 459 } 460 461 462 void 463 auvia_close(void *addr) 464 { 465 struct auvia_softc *sc = addr; 466 467 auvia_halt_output(sc); 468 auvia_halt_input(sc); 469 470 sc->sc_play.sc_intr = NULL; 471 sc->sc_record.sc_intr = NULL; 472 } 473 474 475 int 476 auvia_query_encoding(void *addr, struct audio_encoding *fp) 477 { 478 switch (fp->index) { 479 case 0: 480 strcpy(fp->name, AudioEulinear); 481 fp->encoding = AUDIO_ENCODING_ULINEAR; 482 fp->precision = 8; 483 fp->flags = 0; 484 return (0); 485 case 1: 486 strcpy(fp->name, AudioEmulaw); 487 fp->encoding = AUDIO_ENCODING_ULAW; 488 fp->precision = 8; 489 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 490 return (0); 491 case 2: 492 strcpy(fp->name, AudioEalaw); 493 fp->encoding = AUDIO_ENCODING_ALAW; 494 fp->precision = 8; 495 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 496 return (0); 497 case 3: 498 strcpy(fp->name, AudioEslinear); 499 fp->encoding = AUDIO_ENCODING_SLINEAR; 500 fp->precision = 8; 501 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 502 return (0); 503 case 4: 504 strcpy(fp->name, AudioEslinear_le); 505 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 506 fp->precision = 16; 507 fp->flags = 0; 508 return (0); 509 case 5: 510 strcpy(fp->name, AudioEulinear_le); 511 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 512 fp->precision = 16; 513 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 514 return (0); 515 case 6: 516 strcpy(fp->name, AudioEslinear_be); 517 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 518 fp->precision = 16; 519 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 520 return (0); 521 case 7: 522 strcpy(fp->name, AudioEulinear_be); 523 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 524 fp->precision = 16; 525 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 526 return (0); 527 default: 528 return (EINVAL); 529 } 530 } 531 532 533 int 534 auvia_set_params(void *addr, int setmode, int usemode, 535 struct audio_params *play, struct audio_params *rec) 536 { 537 struct auvia_softc *sc = addr; 538 struct audio_params *p; 539 u_int16_t regval; 540 int reg, mode; 541 542 /* for mode in (RECORD, PLAY) */ 543 for (mode = AUMODE_RECORD; mode != -1; 544 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 545 if ((setmode & mode) == 0) 546 continue; 547 548 p = mode == AUMODE_PLAY ? play : rec; 549 550 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 551 (p->precision != 8 && p->precision != 16) || 552 (p->channels != 1 && p->channels != 2)) 553 return (EINVAL); 554 555 reg = mode == AUMODE_PLAY ? 556 AC97_REG_PCM_FRONT_DAC_RATE : AC97_REG_PCM_LR_ADC_RATE; 557 558 if (!sc->sc_fixed_rate) { 559 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 560 auvia_read_codec(sc, reg, ®val); 561 p->sample_rate = regval; 562 } else 563 p->sample_rate = sc->sc_fixed_rate; 564 565 p->factor = 1; 566 p->sw_code = 0; 567 switch (p->encoding) { 568 case AUDIO_ENCODING_SLINEAR_BE: 569 if (p->precision == 16) 570 p->sw_code = swap_bytes; 571 else 572 p->sw_code = change_sign8; 573 break; 574 case AUDIO_ENCODING_SLINEAR_LE: 575 if (p->precision != 16) 576 p->sw_code = change_sign8; 577 break; 578 case AUDIO_ENCODING_ULINEAR_BE: 579 if (p->precision == 16) { 580 if (mode == AUMODE_PLAY) 581 p->sw_code = swap_bytes_change_sign16_le; 582 else 583 p->sw_code = change_sign16_swap_bytes_le; 584 } 585 break; 586 case AUDIO_ENCODING_ULINEAR_LE: 587 if (p->precision == 16) 588 p->sw_code = change_sign16_le; 589 break; 590 case AUDIO_ENCODING_ULAW: 591 if (mode == AUMODE_PLAY) { 592 p->factor = 2; 593 p->sw_code = mulaw_to_slinear16_le; 594 } else 595 p->sw_code = ulinear8_to_mulaw; 596 break; 597 case AUDIO_ENCODING_ALAW: 598 if (mode == AUMODE_PLAY) { 599 p->factor = 2; 600 p->sw_code = alaw_to_slinear16_le; 601 } else 602 p->sw_code = ulinear8_to_alaw; 603 break; 604 default: 605 return (EINVAL); 606 } 607 608 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 609 | (p->precision * p->factor == 16 ? 610 AUVIA_RPMODE_16BIT : 0) 611 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 612 | AUVIA_RPMODE_AUTOSTART; 613 614 if (mode == AUMODE_PLAY) { 615 sc->sc_play.sc_reg = regval; 616 } else { 617 sc->sc_record.sc_reg = regval; 618 } 619 } 620 621 return 0; 622 } 623 624 625 int 626 auvia_round_blocksize(void *addr, int blk) 627 { 628 return (blk & -32); 629 } 630 631 632 int 633 auvia_halt_output(void *addr) 634 { 635 struct auvia_softc *sc = addr; 636 637 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 638 AUVIA_RPCTRL_TERMINATE); 639 640 return 0; 641 } 642 643 644 int 645 auvia_halt_input(void *addr) 646 { 647 struct auvia_softc *sc = addr; 648 649 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 650 AUVIA_RPCTRL_TERMINATE); 651 652 return 0; 653 } 654 655 656 int 657 auvia_getdev(void *addr, struct audio_device *retp) 658 { 659 struct auvia_softc *sc = addr; 660 661 if (retp) { 662 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 663 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 664 strncpy(retp->config, "auvia", sizeof(retp->config)); 665 } 666 667 return 0; 668 } 669 670 671 int 672 auvia_set_port(void *addr, mixer_ctrl_t *cp) 673 { 674 struct auvia_softc *sc = addr; 675 676 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 677 } 678 679 680 int 681 auvia_get_port(void *addr, mixer_ctrl_t *cp) 682 { 683 struct auvia_softc *sc = addr; 684 685 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 686 } 687 688 689 int 690 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 691 { 692 struct auvia_softc *sc = addr; 693 694 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 695 } 696 697 698 void * 699 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 700 { 701 struct auvia_softc *sc = addr; 702 struct auvia_dma *p; 703 int error; 704 int rseg; 705 706 p = malloc(sizeof(*p), pool, flags); 707 if (!p) 708 return 0; 709 710 p->size = size; 711 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 712 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 713 printf("%s: unable to allocate dma, error = %d\n", 714 sc->sc_dev.dv_xname, error); 715 goto fail_alloc; 716 } 717 718 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 719 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 720 printf("%s: unable to map dma, error = %d\n", 721 sc->sc_dev.dv_xname, error); 722 goto fail_map; 723 } 724 725 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 726 BUS_DMA_NOWAIT, &p->map)) != 0) { 727 printf("%s: unable to create dma map, error = %d\n", 728 sc->sc_dev.dv_xname, error); 729 goto fail_create; 730 } 731 732 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 733 BUS_DMA_NOWAIT)) != 0) { 734 printf("%s: unable to load dma map, error = %d\n", 735 sc->sc_dev.dv_xname, error); 736 goto fail_load; 737 } 738 739 p->next = sc->sc_dmas; 740 sc->sc_dmas = p; 741 742 return p->addr; 743 744 745 fail_load: 746 bus_dmamap_destroy(sc->sc_dmat, p->map); 747 fail_create: 748 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 749 fail_map: 750 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 751 fail_alloc: 752 free(p, pool); 753 return 0; 754 } 755 756 757 void 758 auvia_free(void *addr, void *ptr, int pool) 759 { 760 struct auvia_softc *sc = addr; 761 struct auvia_dma **pp, *p; 762 763 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 764 if (p->addr == ptr) { 765 bus_dmamap_unload(sc->sc_dmat, p->map); 766 bus_dmamap_destroy(sc->sc_dmat, p->map); 767 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 768 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 769 770 *pp = p->next; 771 free(p, pool); 772 return; 773 } 774 775 panic("auvia_free: trying to free unallocated memory"); 776 } 777 778 779 size_t 780 auvia_round_buffersize(void *addr, int direction, size_t size) 781 { 782 return size; 783 } 784 785 786 paddr_t 787 auvia_mappage(void *addr, void *mem, off_t off, int prot) 788 { 789 struct auvia_softc *sc = addr; 790 struct auvia_dma *p; 791 792 if (off < 0) 793 return -1; 794 795 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 796 ; 797 798 if (!p) 799 return -1; 800 801 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 802 BUS_DMA_WAITOK); 803 } 804 805 806 int 807 auvia_get_props(void *addr) 808 { 809 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 810 | AUDIO_PROP_FULLDUPLEX; 811 } 812 813 814 int 815 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 816 struct auvia_dma *p, void *start, void *end, int blksize) 817 { 818 struct auvia_dma_op *op; 819 struct auvia_dma *dp; 820 bus_addr_t s, e; 821 size_t l; 822 int segs; 823 824 s = p->map->dm_segs[0].ds_addr; 825 l = ((char *)end - (char *)start); 826 e = s + l; 827 segs = (l + blksize - 1) / blksize; 828 829 if (segs > (ch->sc_dma_op_count)) { 830 /* if old list was too small, free it */ 831 if (ch->sc_dma_ops) { 832 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 833 } 834 835 ch->sc_dma_ops = auvia_malloc(sc, 0, 836 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 837 838 if (ch->sc_dma_ops == NULL) { 839 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 840 return 1; 841 } 842 843 for (dp = sc->sc_dmas; 844 dp && dp->addr != (void *)(ch->sc_dma_ops); 845 dp = dp->next) 846 ; 847 848 if (!dp) 849 panic("%s: build_dma_ops: where'd my memory go??? " 850 "address (%p)\n", sc->sc_dev.dv_xname, 851 ch->sc_dma_ops); 852 853 ch->sc_dma_op_count = segs; 854 ch->sc_dma_ops_dma = dp; 855 } 856 857 dp = ch->sc_dma_ops_dma; 858 op = ch->sc_dma_ops; 859 860 while (l) { 861 op->ptr = s; 862 l = l - blksize; 863 if (!l) { 864 /* if last block */ 865 op->flags = AUVIA_DMAOP_EOL | blksize; 866 } else { 867 op->flags = AUVIA_DMAOP_FLAG | blksize; 868 } 869 s += blksize; 870 op++; 871 } 872 873 return 0; 874 } 875 876 877 int 878 auvia_trigger_output(void *addr, void *start, void *end, 879 int blksize, void (*intr)(void *), void *arg, 880 struct audio_params *param) 881 { 882 struct auvia_softc *sc = addr; 883 struct auvia_softc_chan *ch = &(sc->sc_play); 884 struct auvia_dma *p; 885 886 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 887 ; 888 889 if (!p) 890 panic("auvia_trigger_output: request with bad start " 891 "address (%p)\n", start); 892 893 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 894 return 1; 895 } 896 897 ch->sc_intr = intr; 898 ch->sc_arg = arg; 899 900 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 901 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 902 903 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 904 ch->sc_reg); 905 906 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 907 AUVIA_RPCTRL_START); 908 909 return 0; 910 } 911 912 913 int 914 auvia_trigger_input(void *addr, void *start, void *end, 915 int blksize, void (*intr)(void *), void *arg, 916 struct audio_params *param) 917 { 918 struct auvia_softc *sc = addr; 919 struct auvia_softc_chan *ch = &(sc->sc_record); 920 struct auvia_dma *p; 921 922 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 923 ; 924 925 if (!p) 926 panic("auvia_trigger_input: request with bad start " 927 "address (%p)\n", start); 928 929 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 930 return 1; 931 } 932 933 ch->sc_intr = intr; 934 ch->sc_arg = arg; 935 936 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 937 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 938 939 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 940 ch->sc_reg); 941 942 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 943 AUVIA_RPCTRL_START); 944 945 return 0; 946 } 947 948 949 int 950 auvia_intr(void *arg) 951 { 952 struct auvia_softc *sc = arg; 953 u_int8_t r; 954 955 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 956 if (r & AUVIA_RPSTAT_INTR) { 957 if (sc->sc_record.sc_intr) 958 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 959 960 /* clear interrupts */ 961 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 962 AUVIA_RPSTAT_INTR); 963 } 964 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 965 if (r & AUVIA_RPSTAT_INTR) { 966 if (sc->sc_play.sc_intr) 967 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 968 969 /* clear interrupts */ 970 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 971 AUVIA_RPSTAT_INTR); 972 } 973 974 return 1; 975 } 976
Indexes created Mon Sep 29 21:09:56 GMT 2025