auvia.c revision 1.7
1 /* $NetBSD: auvia.c,v 1.7 2000/11/15 21:06:33 jdolecek 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/ac97var.h> 65 66 #include <dev/pci/auviavar.h> 67 68 struct auvia_dma { 69 struct auvia_dma *next; 70 caddr_t addr; 71 size_t size; 72 bus_dmamap_t map; 73 bus_dma_segment_t seg; 74 }; 75 76 struct auvia_dma_op { 77 u_int32_t ptr; 78 u_int32_t flags; 79 #define AUVIA_DMAOP_EOL 0x80000000 80 #define AUVIA_DMAOP_FLAG 0x40000000 81 #define AUVIA_DMAOP_STOP 0x20000000 82 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 83 }; 84 85 int auvia_match(struct device *, struct cfdata *, void *); 86 void auvia_attach(struct device *, struct device *, void *); 87 int auvia_open(void *, int); 88 void auvia_close(void *); 89 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 90 int auvia_set_params(void *, int, int, struct audio_params *, 91 struct audio_params *); 92 int auvia_round_blocksize(void *, int); 93 int auvia_halt_output(void *); 94 int auvia_halt_input(void *); 95 int auvia_getdev(void *, struct audio_device *); 96 int auvia_set_port(void *, mixer_ctrl_t *); 97 int auvia_get_port(void *, mixer_ctrl_t *); 98 int auvia_query_devinfo(void *, mixer_devinfo_t *); 99 void * auvia_malloc(void *, int, size_t, int, int); 100 void auvia_free(void *, void *, int); 101 size_t auvia_round_buffersize(void *, int, size_t); 102 paddr_t auvia_mappage(void *, void *, off_t, int); 103 int auvia_get_props(void *); 104 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 105 struct auvia_dma *, void *, void *, int); 106 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 107 void *, struct audio_params *); 108 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 109 void *, struct audio_params *); 110 111 int auvia_intr __P((void *)); 112 113 struct cfattach auvia_ca = { 114 sizeof (struct auvia_softc), auvia_match, auvia_attach 115 }; 116 117 #define AUVIA_PCICONF_JUNK 0x40 118 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 119 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 120 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 121 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 122 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 123 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 124 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 125 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 126 127 #define AUVIA_PLAY_STAT 0x00 128 #define AUVIA_RECORD_STAT 0x10 129 #define AUVIA_RPSTAT_INTR 0x03 130 #define AUVIA_PLAY_CONTROL 0x01 131 #define AUVIA_RECORD_CONTROL 0x11 132 #define AUVIA_RPCTRL_START 0x80 133 #define AUVIA_RPCTRL_TERMINATE 0x40 134 #define AUVIA_PLAY_MODE 0x02 135 #define AUVIA_RECORD_MODE 0x12 136 #define AUVIA_RPMODE_INTR_FLAG 0x01 137 #define AUVIA_RPMODE_INTR_EOL 0x02 138 #define AUVIA_RPMODE_STEREO 0x10 139 #define AUVIA_RPMODE_16BIT 0x20 140 #define AUVIA_RPMODE_AUTOSTART 0x80 141 #define AUVIA_PLAY_DMAOPS_BASE 0x04 142 #define AUVIA_RECORD_DMAOPS_BASE 0x14 143 144 #define AUVIA_CODEC_CTL 0x80 145 #define AUVIA_CODEC_READ 0x00800000 146 #define AUVIA_CODEC_BUSY 0x01000000 147 #define AUVIA_CODEC_PRIVALID 0x02000000 148 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 149 150 #define TIMEOUT 50 151 152 #define AC97_REG_EXT_AUDIO_ID 0x28 153 #define AC97_CODEC_DOES_VRA 0x0001 154 #define AC97_REG_EXT_AUDIO_STAT 0x2A 155 #define AC97_ENAB_VRA 0x0001 156 #define AC97_ENAB_MICVRA 0x0004 157 #define AC97_REG_EXT_DAC_RATE 0x2C 158 #define AC97_REG_EXT_ADC_RATE 0x32 159 160 struct audio_hw_if auvia_hw_if = { 161 auvia_open, 162 auvia_close, 163 NULL, /* drain */ 164 auvia_query_encoding, 165 auvia_set_params, 166 auvia_round_blocksize, 167 NULL, /* commit_settings */ 168 NULL, /* init_output */ 169 NULL, /* init_input */ 170 NULL, /* start_output */ 171 NULL, /* start_input */ 172 auvia_halt_output, 173 auvia_halt_input, 174 NULL, /* speaker_ctl */ 175 auvia_getdev, 176 NULL, /* setfd */ 177 auvia_set_port, 178 auvia_get_port, 179 auvia_query_devinfo, 180 auvia_malloc, 181 auvia_free, 182 auvia_round_buffersize, 183 auvia_mappage, 184 auvia_get_props, 185 auvia_trigger_output, 186 auvia_trigger_input, 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 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_VIATECH_VT82C686A_AC97) 205 return 0; 206 207 return 1; 208 } 209 210 211 void 212 auvia_attach(struct device *parent, struct device *self, void *aux) 213 { 214 struct pci_attach_args *pa = aux; 215 struct auvia_softc *sc = (struct auvia_softc *) self; 216 const char *intrstr = NULL; 217 struct mixer_ctrl ctl; 218 pci_chipset_tag_t pc = pa->pa_pc; 219 pcitag_t pt = pa->pa_tag; 220 pci_intr_handle_t ih; 221 pcireg_t pr; 222 u_int16_t v; 223 int r, i; 224 225 r = PCI_REVISION(pa->pa_class); 226 sc->sc_revision[1] = '\0'; 227 if (r == 0x20) { 228 sc->sc_revision[0] = 'H'; 229 } else if ((r >= 0x10) && (r <= 0x14)) { 230 sc->sc_revision[0] = 'A' + (r - 0x10); 231 } else { 232 sprintf(sc->sc_revision, "0x%02X", r); 233 } 234 235 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 236 sc->sc_revision); 237 238 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, 239 &ih)) { 240 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 241 return; 242 } 243 intrstr = pci_intr_string(pc, ih); 244 245 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 246 if (sc->sc_ih == NULL) { 247 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 248 if (intrstr != NULL) 249 printf(" at %s", intrstr); 250 printf("\n"); 251 return; 252 } 253 254 sc->sc_dmat = pa->pa_dmat; 255 sc->sc_pc = pc; 256 sc->sc_pt = pt; 257 258 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 259 260 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 261 &sc->sc_ioh, &sc->sc_ioaddr, &sc->sc_iosize)) { 262 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 263 return; 264 } 265 266 /* disable SBPro compat & others */ 267 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 268 269 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 270 /* XXX what to do about MIDI, FM, joystick? */ 271 272 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 273 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 274 275 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 276 277 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 278 279 sc->host_if.arg = sc; 280 sc->host_if.attach = auvia_attach_codec; 281 sc->host_if.read = auvia_read_codec; 282 sc->host_if.write = auvia_write_codec; 283 sc->host_if.reset = auvia_reset_codec; 284 285 if ((r = ac97_attach(&sc->host_if)) != 0) { 286 printf("%s: can't attach codec (error 0x%X)\n", 287 sc->sc_dev.dv_xname, r); 288 return; 289 } 290 291 /* 292 * Print a warning if the codec doesn't support hardware variable 293 * rate audio. 294 */ 295 if (auvia_read_codec(sc, AC97_REG_EXT_AUDIO_ID, &v) 296 || !(v & AC97_CODEC_DOES_VRA)) { 297 /* XXX */ 298 299 printf("%s: warning: codec doesn't support hardware AC'97 2.0 Variable Rate Audio\n", 300 sc->sc_dev.dv_xname); 301 } else { 302 /* enable VRA */ 303 auvia_write_codec(sc, AC97_REG_EXT_AUDIO_STAT, 304 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 305 } 306 307 /* disable mutes */ 308 for (i = 0; i < 4; i++) { 309 static struct { 310 char *class, *device; 311 } d[] = { 312 { AudioCoutputs, AudioNmaster}, 313 { AudioCinputs, AudioNdac}, 314 { AudioCinputs, AudioNcd}, 315 { AudioCrecord, AudioNvolume}, 316 }; 317 318 ctl.type = AUDIO_MIXER_ENUM; 319 ctl.un.ord = 0; 320 321 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 322 d[i].class, d[i].device, AudioNmute); 323 auvia_set_port(sc, &ctl); 324 } 325 326 /* set a reasonable default volume */ 327 328 ctl.type = AUDIO_MIXER_VALUE; 329 ctl.un.value.num_channels = 2; 330 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 331 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 332 333 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 334 AudioCoutputs, AudioNmaster, NULL); 335 auvia_set_port(sc, &ctl); 336 337 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 338 } 339 340 341 int 342 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 343 { 344 struct auvia_softc *sc = addr; 345 346 sc->codec_if = cif; 347 348 return 0; 349 } 350 351 352 void 353 auvia_reset_codec(void *addr) 354 { 355 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 356 struct auvia_softc *sc = addr; 357 pcireg_t r; 358 359 /* perform a codec cold reset */ 360 361 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 362 363 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 364 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 365 delay(2); 366 367 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 368 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 369 delay(200); 370 371 auvia_waitready_codec(sc); 372 #endif 373 } 374 375 376 int 377 auvia_waitready_codec(struct auvia_softc *sc) 378 { 379 int i; 380 381 /* poll until codec not busy */ 382 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 383 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 384 delay(1); 385 if (i >= TIMEOUT) { 386 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 387 return 1; 388 } 389 390 return 0; 391 } 392 393 394 int 395 auvia_waitvalid_codec(struct auvia_softc *sc) 396 { 397 int i; 398 399 /* poll until codec valid */ 400 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 401 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 402 delay(1); 403 if (i >= TIMEOUT) { 404 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 405 return 1; 406 } 407 408 return 0; 409 } 410 411 412 int 413 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 414 { 415 struct auvia_softc *sc = addr; 416 417 if (auvia_waitready_codec(sc)) 418 return 1; 419 420 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 421 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 422 423 return 0; 424 } 425 426 427 int 428 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 429 { 430 struct auvia_softc *sc = addr; 431 432 if (auvia_waitready_codec(sc)) 433 return 1; 434 435 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 436 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 437 438 if (auvia_waitready_codec(sc)) 439 return 1; 440 441 if (auvia_waitvalid_codec(sc)) 442 return 1; 443 444 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 445 446 return 0; 447 } 448 449 450 int 451 auvia_open(void *addr, int flags) 452 { 453 return 0; 454 } 455 456 457 void 458 auvia_close(void *addr) 459 { 460 struct auvia_softc *sc = addr; 461 462 auvia_halt_output(sc); 463 auvia_halt_input(sc); 464 465 sc->sc_play.sc_intr = NULL; 466 sc->sc_record.sc_intr = NULL; 467 } 468 469 470 int 471 auvia_query_encoding(void *addr, struct audio_encoding *fp) 472 { 473 switch (fp->index) { 474 case 0: 475 strcpy(fp->name, AudioEulinear); 476 fp->encoding = AUDIO_ENCODING_ULINEAR; 477 fp->precision = 8; 478 fp->flags = 0; 479 return (0); 480 case 1: 481 strcpy(fp->name, AudioEmulaw); 482 fp->encoding = AUDIO_ENCODING_ULAW; 483 fp->precision = 8; 484 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 485 return (0); 486 case 2: 487 strcpy(fp->name, AudioEalaw); 488 fp->encoding = AUDIO_ENCODING_ALAW; 489 fp->precision = 8; 490 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 491 return (0); 492 case 3: 493 strcpy(fp->name, AudioEslinear); 494 fp->encoding = AUDIO_ENCODING_SLINEAR; 495 fp->precision = 8; 496 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 497 return (0); 498 case 4: 499 strcpy(fp->name, AudioEslinear_le); 500 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 501 fp->precision = 16; 502 fp->flags = 0; 503 return (0); 504 case 5: 505 strcpy(fp->name, AudioEulinear_le); 506 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 507 fp->precision = 16; 508 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 509 return (0); 510 case 6: 511 strcpy(fp->name, AudioEslinear_be); 512 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 513 fp->precision = 16; 514 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 515 return (0); 516 case 7: 517 strcpy(fp->name, AudioEulinear_be); 518 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 519 fp->precision = 16; 520 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 521 return (0); 522 default: 523 return (EINVAL); 524 } 525 } 526 527 528 int 529 auvia_set_params(void *addr, int setmode, int usemode, 530 struct audio_params *play, struct audio_params *rec) 531 { 532 struct auvia_softc *sc = addr; 533 struct audio_params *p; 534 u_int16_t regval; 535 int reg, mode; 536 537 /* for mode in (RECORD, PLAY) */ 538 for (mode = AUMODE_RECORD; mode != -1; 539 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 540 if ((setmode & mode) == 0) 541 continue; 542 543 p = mode == AUMODE_PLAY ? play : rec; 544 545 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 546 (p->precision != 8 && p->precision != 16) || 547 (p->channels != 1 && p->channels != 2)) 548 return (EINVAL); 549 550 reg = mode == AUMODE_PLAY ? 551 AC97_REG_EXT_DAC_RATE : AC97_REG_EXT_ADC_RATE; 552 553 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 554 auvia_read_codec(sc, reg, ®val); 555 p->sample_rate = regval; 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 07:10:03 GMT 2025