auvia.c revision 1.6
1 /* $NetBSD: auvia.c,v 1.6 2000/11/14 18:42:55 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 <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 * Driver works as okay on my VIA 694D Pro with auvia rev. H, even 293 * through the bit won't get set. Earlier models probably need 294 * the test as it is. 295 */ 296 if (auvia_read_codec(sc, AC97_REG_EXT_AUDIO_ID, &v) 297 || (sc->sc_revision[0] < 'H' && !(v & AC97_CODEC_DOES_VRA))) { 298 /* XXX */ 299 300 printf("%s: codec must support AC'97 2.0 Variable Rate Audio\n", 301 sc->sc_dev.dv_xname); 302 return; 303 } else { 304 /* enable VRA */ 305 auvia_write_codec(sc, AC97_REG_EXT_AUDIO_STAT, 306 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 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 { AudioCrecord, AudioNvolume}, 318 }; 319 320 ctl.type = AUDIO_MIXER_ENUM; 321 ctl.un.ord = 0; 322 323 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 324 d[i].class, d[i].device, AudioNmute); 325 auvia_set_port(sc, &ctl); 326 } 327 328 /* set a reasonable default volume */ 329 330 ctl.type = AUDIO_MIXER_VALUE; 331 ctl.un.value.num_channels = 2; 332 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 333 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 334 335 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 336 AudioCoutputs, AudioNmaster, NULL); 337 auvia_set_port(sc, &ctl); 338 339 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 340 } 341 342 343 int 344 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 345 { 346 struct auvia_softc *sc = addr; 347 348 sc->codec_if = cif; 349 350 return 0; 351 } 352 353 354 void 355 auvia_reset_codec(void *addr) 356 { 357 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 358 struct auvia_softc *sc = addr; 359 pcireg_t r; 360 361 /* perform a codec cold reset */ 362 363 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 364 365 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 366 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 367 delay(2); 368 369 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 370 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 371 delay(200); 372 373 auvia_waitready_codec(sc); 374 #endif 375 } 376 377 378 int 379 auvia_waitready_codec(struct auvia_softc *sc) 380 { 381 int i; 382 383 /* poll until codec not busy */ 384 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 385 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 386 delay(1); 387 if (i >= TIMEOUT) { 388 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 389 return 1; 390 } 391 392 return 0; 393 } 394 395 396 int 397 auvia_waitvalid_codec(struct auvia_softc *sc) 398 { 399 int i; 400 401 /* poll until codec valid */ 402 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 403 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 404 delay(1); 405 if (i >= TIMEOUT) { 406 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 407 return 1; 408 } 409 410 return 0; 411 } 412 413 414 int 415 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 416 { 417 struct auvia_softc *sc = addr; 418 419 if (auvia_waitready_codec(sc)) 420 return 1; 421 422 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 423 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 424 425 return 0; 426 } 427 428 429 int 430 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 431 { 432 struct auvia_softc *sc = addr; 433 434 if (auvia_waitready_codec(sc)) 435 return 1; 436 437 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 438 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 439 440 if (auvia_waitready_codec(sc)) 441 return 1; 442 443 if (auvia_waitvalid_codec(sc)) 444 return 1; 445 446 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 447 448 return 0; 449 } 450 451 452 int 453 auvia_open(void *addr, int flags) 454 { 455 return 0; 456 } 457 458 459 void 460 auvia_close(void *addr) 461 { 462 struct auvia_softc *sc = addr; 463 464 auvia_halt_output(sc); 465 auvia_halt_input(sc); 466 467 sc->sc_play.sc_intr = NULL; 468 sc->sc_record.sc_intr = NULL; 469 } 470 471 472 int 473 auvia_query_encoding(void *addr, struct audio_encoding *fp) 474 { 475 switch (fp->index) { 476 case 0: 477 strcpy(fp->name, AudioEulinear); 478 fp->encoding = AUDIO_ENCODING_ULINEAR; 479 fp->precision = 8; 480 fp->flags = 0; 481 return (0); 482 case 1: 483 strcpy(fp->name, AudioEmulaw); 484 fp->encoding = AUDIO_ENCODING_ULAW; 485 fp->precision = 8; 486 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 487 return (0); 488 case 2: 489 strcpy(fp->name, AudioEalaw); 490 fp->encoding = AUDIO_ENCODING_ALAW; 491 fp->precision = 8; 492 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 493 return (0); 494 case 3: 495 strcpy(fp->name, AudioEslinear); 496 fp->encoding = AUDIO_ENCODING_SLINEAR; 497 fp->precision = 8; 498 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 499 return (0); 500 case 4: 501 strcpy(fp->name, AudioEslinear_le); 502 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 503 fp->precision = 16; 504 fp->flags = 0; 505 return (0); 506 case 5: 507 strcpy(fp->name, AudioEulinear_le); 508 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 509 fp->precision = 16; 510 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 511 return (0); 512 case 6: 513 strcpy(fp->name, AudioEslinear_be); 514 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 515 fp->precision = 16; 516 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 517 return (0); 518 case 7: 519 strcpy(fp->name, AudioEulinear_be); 520 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 521 fp->precision = 16; 522 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 523 return (0); 524 default: 525 return (EINVAL); 526 } 527 } 528 529 530 int 531 auvia_set_params(void *addr, int setmode, int usemode, 532 struct audio_params *play, struct audio_params *rec) 533 { 534 struct auvia_softc *sc = addr; 535 struct audio_params *p; 536 u_int16_t regval; 537 int reg, mode; 538 539 /* for mode in (RECORD, PLAY) */ 540 for (mode = AUMODE_RECORD; mode != -1; 541 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 542 if ((setmode & mode) == 0) 543 continue; 544 545 p = mode == AUMODE_PLAY ? play : rec; 546 547 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 548 (p->precision != 8 && p->precision != 16) || 549 (p->channels != 1 && p->channels != 2)) 550 return (EINVAL); 551 552 reg = mode == AUMODE_PLAY ? 553 AC97_REG_EXT_DAC_RATE : AC97_REG_EXT_ADC_RATE; 554 555 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 556 auvia_read_codec(sc, reg, ®val); 557 p->sample_rate = regval; 558 559 p->factor = 1; 560 p->sw_code = 0; 561 switch (p->encoding) { 562 case AUDIO_ENCODING_SLINEAR_BE: 563 if (p->precision == 16) 564 p->sw_code = swap_bytes; 565 else 566 p->sw_code = change_sign8; 567 break; 568 case AUDIO_ENCODING_SLINEAR_LE: 569 if (p->precision != 16) 570 p->sw_code = change_sign8; 571 break; 572 case AUDIO_ENCODING_ULINEAR_BE: 573 if (p->precision == 16) { 574 if (mode == AUMODE_PLAY) 575 p->sw_code = swap_bytes_change_sign16_le; 576 else 577 p->sw_code = change_sign16_swap_bytes_le; 578 } 579 break; 580 case AUDIO_ENCODING_ULINEAR_LE: 581 if (p->precision == 16) 582 p->sw_code = change_sign16_le; 583 break; 584 case AUDIO_ENCODING_ULAW: 585 if (mode == AUMODE_PLAY) { 586 p->factor = 2; 587 p->sw_code = mulaw_to_slinear16_le; 588 } else 589 p->sw_code = ulinear8_to_mulaw; 590 break; 591 case AUDIO_ENCODING_ALAW: 592 if (mode == AUMODE_PLAY) { 593 p->factor = 2; 594 p->sw_code = alaw_to_slinear16_le; 595 } else 596 p->sw_code = ulinear8_to_alaw; 597 break; 598 default: 599 return (EINVAL); 600 } 601 602 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 603 | (p->precision * p->factor == 16 ? 604 AUVIA_RPMODE_16BIT : 0) 605 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 606 | AUVIA_RPMODE_AUTOSTART; 607 608 if (mode == AUMODE_PLAY) { 609 sc->sc_play.sc_reg = regval; 610 } else { 611 sc->sc_record.sc_reg = regval; 612 } 613 } 614 615 return 0; 616 } 617 618 619 int 620 auvia_round_blocksize(void *addr, int blk) 621 { 622 return (blk & -32); 623 } 624 625 626 int 627 auvia_halt_output(void *addr) 628 { 629 struct auvia_softc *sc = addr; 630 631 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 632 AUVIA_RPCTRL_TERMINATE); 633 634 return 0; 635 } 636 637 638 int 639 auvia_halt_input(void *addr) 640 { 641 struct auvia_softc *sc = addr; 642 643 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 644 AUVIA_RPCTRL_TERMINATE); 645 646 return 0; 647 } 648 649 650 int 651 auvia_getdev(void *addr, struct audio_device *retp) 652 { 653 struct auvia_softc *sc = addr; 654 655 if (retp) { 656 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 657 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 658 strncpy(retp->config, "auvia", sizeof(retp->config)); 659 } 660 661 return 0; 662 } 663 664 665 int 666 auvia_set_port(void *addr, mixer_ctrl_t *cp) 667 { 668 struct auvia_softc *sc = addr; 669 670 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 671 } 672 673 674 int 675 auvia_get_port(void *addr, mixer_ctrl_t *cp) 676 { 677 struct auvia_softc *sc = addr; 678 679 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 680 } 681 682 683 int 684 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 685 { 686 struct auvia_softc *sc = addr; 687 688 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 689 } 690 691 692 void * 693 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 694 { 695 struct auvia_softc *sc = addr; 696 struct auvia_dma *p; 697 int error; 698 int rseg; 699 700 p = malloc(sizeof(*p), pool, flags); 701 if (!p) 702 return 0; 703 704 p->size = size; 705 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 706 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 707 printf("%s: unable to allocate dma, error = %d\n", 708 sc->sc_dev.dv_xname, error); 709 goto fail_alloc; 710 } 711 712 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 713 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 714 printf("%s: unable to map dma, error = %d\n", 715 sc->sc_dev.dv_xname, error); 716 goto fail_map; 717 } 718 719 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 720 BUS_DMA_NOWAIT, &p->map)) != 0) { 721 printf("%s: unable to create dma map, error = %d\n", 722 sc->sc_dev.dv_xname, error); 723 goto fail_create; 724 } 725 726 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 727 BUS_DMA_NOWAIT)) != 0) { 728 printf("%s: unable to load dma map, error = %d\n", 729 sc->sc_dev.dv_xname, error); 730 goto fail_load; 731 } 732 733 p->next = sc->sc_dmas; 734 sc->sc_dmas = p; 735 736 return p->addr; 737 738 739 fail_load: 740 bus_dmamap_destroy(sc->sc_dmat, p->map); 741 fail_create: 742 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 743 fail_map: 744 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 745 fail_alloc: 746 free(p, pool); 747 return 0; 748 } 749 750 751 void 752 auvia_free(void *addr, void *ptr, int pool) 753 { 754 struct auvia_softc *sc = addr; 755 struct auvia_dma **pp, *p; 756 757 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 758 if (p->addr == ptr) { 759 bus_dmamap_unload(sc->sc_dmat, p->map); 760 bus_dmamap_destroy(sc->sc_dmat, p->map); 761 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 762 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 763 764 *pp = p->next; 765 free(p, pool); 766 return; 767 } 768 769 panic("auvia_free: trying to free unallocated memory"); 770 } 771 772 773 size_t 774 auvia_round_buffersize(void *addr, int direction, size_t size) 775 { 776 return size; 777 } 778 779 780 paddr_t 781 auvia_mappage(void *addr, void *mem, off_t off, int prot) 782 { 783 struct auvia_softc *sc = addr; 784 struct auvia_dma *p; 785 786 if (off < 0) 787 return -1; 788 789 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 790 ; 791 792 if (!p) 793 return -1; 794 795 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 796 BUS_DMA_WAITOK); 797 } 798 799 800 int 801 auvia_get_props(void *addr) 802 { 803 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 804 | AUDIO_PROP_FULLDUPLEX; 805 } 806 807 808 int 809 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 810 struct auvia_dma *p, void *start, void *end, int blksize) 811 { 812 struct auvia_dma_op *op; 813 struct auvia_dma *dp; 814 bus_addr_t s, e; 815 size_t l; 816 int segs; 817 818 s = p->map->dm_segs[0].ds_addr; 819 l = ((char *)end - (char *)start); 820 e = s + l; 821 segs = (l + blksize - 1) / blksize; 822 823 if (segs > (ch->sc_dma_op_count)) { 824 /* if old list was too small, free it */ 825 if (ch->sc_dma_ops) { 826 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 827 } 828 829 ch->sc_dma_ops = auvia_malloc(sc, 0, 830 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 831 832 if (ch->sc_dma_ops == NULL) { 833 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 834 return 1; 835 } 836 837 for (dp = sc->sc_dmas; 838 dp && dp->addr != (void *)(ch->sc_dma_ops); 839 dp = dp->next) 840 ; 841 842 if (!dp) 843 panic("%s: build_dma_ops: where'd my memory go??? " 844 "address (%p)\n", sc->sc_dev.dv_xname, 845 ch->sc_dma_ops); 846 847 ch->sc_dma_op_count = segs; 848 ch->sc_dma_ops_dma = dp; 849 } 850 851 dp = ch->sc_dma_ops_dma; 852 op = ch->sc_dma_ops; 853 854 while (l) { 855 op->ptr = s; 856 l = l - blksize; 857 if (!l) { 858 /* if last block */ 859 op->flags = AUVIA_DMAOP_EOL | blksize; 860 } else { 861 op->flags = AUVIA_DMAOP_FLAG | blksize; 862 } 863 s += blksize; 864 op++; 865 } 866 867 return 0; 868 } 869 870 871 int 872 auvia_trigger_output(void *addr, void *start, void *end, 873 int blksize, void (*intr)(void *), void *arg, 874 struct audio_params *param) 875 { 876 struct auvia_softc *sc = addr; 877 struct auvia_softc_chan *ch = &(sc->sc_play); 878 struct auvia_dma *p; 879 880 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 881 ; 882 883 if (!p) 884 panic("auvia_trigger_output: request with bad start " 885 "address (%p)\n", start); 886 887 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 888 return 1; 889 } 890 891 ch->sc_intr = intr; 892 ch->sc_arg = arg; 893 894 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 895 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 896 897 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 898 ch->sc_reg); 899 900 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 901 AUVIA_RPCTRL_START); 902 903 return 0; 904 } 905 906 907 int 908 auvia_trigger_input(void *addr, void *start, void *end, 909 int blksize, void (*intr)(void *), void *arg, 910 struct audio_params *param) 911 { 912 struct auvia_softc *sc = addr; 913 struct auvia_softc_chan *ch = &(sc->sc_record); 914 struct auvia_dma *p; 915 916 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 917 ; 918 919 if (!p) 920 panic("auvia_trigger_input: request with bad start " 921 "address (%p)\n", start); 922 923 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 924 return 1; 925 } 926 927 ch->sc_intr = intr; 928 ch->sc_arg = arg; 929 930 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 931 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 932 933 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 934 ch->sc_reg); 935 936 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 937 AUVIA_RPCTRL_START); 938 939 return 0; 940 } 941 942 943 int 944 auvia_intr(void *arg) 945 { 946 struct auvia_softc *sc = arg; 947 u_int8_t r; 948 949 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 950 if (r & AUVIA_RPSTAT_INTR) { 951 if (sc->sc_record.sc_intr) 952 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 953 954 /* clear interrupts */ 955 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 956 AUVIA_RPSTAT_INTR); 957 } 958 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 959 if (r & AUVIA_RPSTAT_INTR) { 960 if (sc->sc_play.sc_intr) 961 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 962 963 /* clear interrupts */ 964 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 965 AUVIA_RPSTAT_INTR); 966 } 967 968 return 1; 969 } 970
Indexes created Mon Sep 29 21:09:56 GMT 2025