auvia.c revision 1.9
1 /* $NetBSD: auvia.c,v 1.9 2000/12/28 22:59:11 sommerfeld 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 /* rev. H and later seem to support only fixed rate 44.1 kHz */ 86 #define AUVIA_FIXED_RATE 44100 87 88 int auvia_match(struct device *, struct cfdata *, void *); 89 void auvia_attach(struct device *, struct device *, void *); 90 int auvia_open(void *, int); 91 void auvia_close(void *); 92 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 93 int auvia_set_params(void *, int, int, struct audio_params *, 94 struct audio_params *); 95 int auvia_round_blocksize(void *, int); 96 int auvia_halt_output(void *); 97 int auvia_halt_input(void *); 98 int auvia_getdev(void *, struct audio_device *); 99 int auvia_set_port(void *, mixer_ctrl_t *); 100 int auvia_get_port(void *, mixer_ctrl_t *); 101 int auvia_query_devinfo(void *, mixer_devinfo_t *); 102 void * auvia_malloc(void *, int, size_t, int, int); 103 void auvia_free(void *, void *, int); 104 size_t auvia_round_buffersize(void *, int, size_t); 105 paddr_t auvia_mappage(void *, void *, off_t, int); 106 int auvia_get_props(void *); 107 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 108 struct auvia_dma *, void *, void *, int); 109 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 110 void *, struct audio_params *); 111 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 112 void *, struct audio_params *); 113 114 int auvia_intr __P((void *)); 115 116 struct cfattach auvia_ca = { 117 sizeof (struct auvia_softc), auvia_match, auvia_attach 118 }; 119 120 #define AUVIA_PCICONF_JUNK 0x40 121 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 122 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 123 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 124 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 125 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 126 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 127 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 128 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 129 130 #define AUVIA_PLAY_STAT 0x00 131 #define AUVIA_RECORD_STAT 0x10 132 #define AUVIA_RPSTAT_INTR 0x03 133 #define AUVIA_PLAY_CONTROL 0x01 134 #define AUVIA_RECORD_CONTROL 0x11 135 #define AUVIA_RPCTRL_START 0x80 136 #define AUVIA_RPCTRL_TERMINATE 0x40 137 #define AUVIA_PLAY_MODE 0x02 138 #define AUVIA_RECORD_MODE 0x12 139 #define AUVIA_RPMODE_INTR_FLAG 0x01 140 #define AUVIA_RPMODE_INTR_EOL 0x02 141 #define AUVIA_RPMODE_STEREO 0x10 142 #define AUVIA_RPMODE_16BIT 0x20 143 #define AUVIA_RPMODE_AUTOSTART 0x80 144 #define AUVIA_PLAY_DMAOPS_BASE 0x04 145 #define AUVIA_RECORD_DMAOPS_BASE 0x14 146 147 #define AUVIA_CODEC_CTL 0x80 148 #define AUVIA_CODEC_READ 0x00800000 149 #define AUVIA_CODEC_BUSY 0x01000000 150 #define AUVIA_CODEC_PRIVALID 0x02000000 151 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 152 153 #define TIMEOUT 50 154 155 #define AC97_REG_EXT_AUDIO_ID 0x28 156 #define AC97_CODEC_DOES_VRA 0x0001 157 #define AC97_REG_EXT_AUDIO_STAT 0x2A 158 #define AC97_ENAB_VRA 0x0001 159 #define AC97_ENAB_MICVRA 0x0004 160 #define AC97_REG_EXT_DAC_RATE 0x2C 161 #define AC97_REG_EXT_ADC_RATE 0x32 162 163 struct audio_hw_if auvia_hw_if = { 164 auvia_open, 165 auvia_close, 166 NULL, /* drain */ 167 auvia_query_encoding, 168 auvia_set_params, 169 auvia_round_blocksize, 170 NULL, /* commit_settings */ 171 NULL, /* init_output */ 172 NULL, /* init_input */ 173 NULL, /* start_output */ 174 NULL, /* start_input */ 175 auvia_halt_output, 176 auvia_halt_input, 177 NULL, /* speaker_ctl */ 178 auvia_getdev, 179 NULL, /* setfd */ 180 auvia_set_port, 181 auvia_get_port, 182 auvia_query_devinfo, 183 auvia_malloc, 184 auvia_free, 185 auvia_round_buffersize, 186 auvia_mappage, 187 auvia_get_props, 188 auvia_trigger_output, 189 auvia_trigger_input, 190 }; 191 192 int auvia_attach_codec(void *, struct ac97_codec_if *); 193 int auvia_write_codec(void *, u_int8_t, u_int16_t); 194 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 195 void auvia_reset_codec(void *); 196 int auvia_waitready_codec(struct auvia_softc *sc); 197 int auvia_waitvalid_codec(struct auvia_softc *sc); 198 199 200 int 201 auvia_match(struct device *parent, struct cfdata *match, void *aux) 202 { 203 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 204 205 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 206 return 0; 207 if (PCI_PRODUCT(pa->pa_id) != PCI_PRODUCT_VIATECH_VT82C686A_AC97) 208 return 0; 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_EXT_AUDIO_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; 302 } else { 303 /* enable VRA */ 304 auvia_write_codec(sc, AC97_REG_EXT_AUDIO_STAT, 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 { 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 if (!sc->sc_fixed_rate) { 556 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 557 auvia_read_codec(sc, reg, ®val); 558 p->sample_rate = regval; 559 } else 560 p->sample_rate = sc->sc_fixed_rate; 561 562 p->factor = 1; 563 p->sw_code = 0; 564 switch (p->encoding) { 565 case AUDIO_ENCODING_SLINEAR_BE: 566 if (p->precision == 16) 567 p->sw_code = swap_bytes; 568 else 569 p->sw_code = change_sign8; 570 break; 571 case AUDIO_ENCODING_SLINEAR_LE: 572 if (p->precision != 16) 573 p->sw_code = change_sign8; 574 break; 575 case AUDIO_ENCODING_ULINEAR_BE: 576 if (p->precision == 16) { 577 if (mode == AUMODE_PLAY) 578 p->sw_code = swap_bytes_change_sign16_le; 579 else 580 p->sw_code = change_sign16_swap_bytes_le; 581 } 582 break; 583 case AUDIO_ENCODING_ULINEAR_LE: 584 if (p->precision == 16) 585 p->sw_code = change_sign16_le; 586 break; 587 case AUDIO_ENCODING_ULAW: 588 if (mode == AUMODE_PLAY) { 589 p->factor = 2; 590 p->sw_code = mulaw_to_slinear16_le; 591 } else 592 p->sw_code = ulinear8_to_mulaw; 593 break; 594 case AUDIO_ENCODING_ALAW: 595 if (mode == AUMODE_PLAY) { 596 p->factor = 2; 597 p->sw_code = alaw_to_slinear16_le; 598 } else 599 p->sw_code = ulinear8_to_alaw; 600 break; 601 default: 602 return (EINVAL); 603 } 604 605 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 606 | (p->precision * p->factor == 16 ? 607 AUVIA_RPMODE_16BIT : 0) 608 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 609 | AUVIA_RPMODE_AUTOSTART; 610 611 if (mode == AUMODE_PLAY) { 612 sc->sc_play.sc_reg = regval; 613 } else { 614 sc->sc_record.sc_reg = regval; 615 } 616 } 617 618 return 0; 619 } 620 621 622 int 623 auvia_round_blocksize(void *addr, int blk) 624 { 625 return (blk & -32); 626 } 627 628 629 int 630 auvia_halt_output(void *addr) 631 { 632 struct auvia_softc *sc = addr; 633 634 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 635 AUVIA_RPCTRL_TERMINATE); 636 637 return 0; 638 } 639 640 641 int 642 auvia_halt_input(void *addr) 643 { 644 struct auvia_softc *sc = addr; 645 646 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 647 AUVIA_RPCTRL_TERMINATE); 648 649 return 0; 650 } 651 652 653 int 654 auvia_getdev(void *addr, struct audio_device *retp) 655 { 656 struct auvia_softc *sc = addr; 657 658 if (retp) { 659 strncpy(retp->name, "VIA VT82C686A", sizeof(retp->name)); 660 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 661 strncpy(retp->config, "auvia", sizeof(retp->config)); 662 } 663 664 return 0; 665 } 666 667 668 int 669 auvia_set_port(void *addr, mixer_ctrl_t *cp) 670 { 671 struct auvia_softc *sc = addr; 672 673 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 674 } 675 676 677 int 678 auvia_get_port(void *addr, mixer_ctrl_t *cp) 679 { 680 struct auvia_softc *sc = addr; 681 682 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 683 } 684 685 686 int 687 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 688 { 689 struct auvia_softc *sc = addr; 690 691 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 692 } 693 694 695 void * 696 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 697 { 698 struct auvia_softc *sc = addr; 699 struct auvia_dma *p; 700 int error; 701 int rseg; 702 703 p = malloc(sizeof(*p), pool, flags); 704 if (!p) 705 return 0; 706 707 p->size = size; 708 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 709 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 710 printf("%s: unable to allocate dma, error = %d\n", 711 sc->sc_dev.dv_xname, error); 712 goto fail_alloc; 713 } 714 715 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 716 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 717 printf("%s: unable to map dma, error = %d\n", 718 sc->sc_dev.dv_xname, error); 719 goto fail_map; 720 } 721 722 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 723 BUS_DMA_NOWAIT, &p->map)) != 0) { 724 printf("%s: unable to create dma map, error = %d\n", 725 sc->sc_dev.dv_xname, error); 726 goto fail_create; 727 } 728 729 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 730 BUS_DMA_NOWAIT)) != 0) { 731 printf("%s: unable to load dma map, error = %d\n", 732 sc->sc_dev.dv_xname, error); 733 goto fail_load; 734 } 735 736 p->next = sc->sc_dmas; 737 sc->sc_dmas = p; 738 739 return p->addr; 740 741 742 fail_load: 743 bus_dmamap_destroy(sc->sc_dmat, p->map); 744 fail_create: 745 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 746 fail_map: 747 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 748 fail_alloc: 749 free(p, pool); 750 return 0; 751 } 752 753 754 void 755 auvia_free(void *addr, void *ptr, int pool) 756 { 757 struct auvia_softc *sc = addr; 758 struct auvia_dma **pp, *p; 759 760 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 761 if (p->addr == ptr) { 762 bus_dmamap_unload(sc->sc_dmat, p->map); 763 bus_dmamap_destroy(sc->sc_dmat, p->map); 764 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 765 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 766 767 *pp = p->next; 768 free(p, pool); 769 return; 770 } 771 772 panic("auvia_free: trying to free unallocated memory"); 773 } 774 775 776 size_t 777 auvia_round_buffersize(void *addr, int direction, size_t size) 778 { 779 return size; 780 } 781 782 783 paddr_t 784 auvia_mappage(void *addr, void *mem, off_t off, int prot) 785 { 786 struct auvia_softc *sc = addr; 787 struct auvia_dma *p; 788 789 if (off < 0) 790 return -1; 791 792 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 793 ; 794 795 if (!p) 796 return -1; 797 798 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 799 BUS_DMA_WAITOK); 800 } 801 802 803 int 804 auvia_get_props(void *addr) 805 { 806 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 807 | AUDIO_PROP_FULLDUPLEX; 808 } 809 810 811 int 812 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 813 struct auvia_dma *p, void *start, void *end, int blksize) 814 { 815 struct auvia_dma_op *op; 816 struct auvia_dma *dp; 817 bus_addr_t s, e; 818 size_t l; 819 int segs; 820 821 s = p->map->dm_segs[0].ds_addr; 822 l = ((char *)end - (char *)start); 823 e = s + l; 824 segs = (l + blksize - 1) / blksize; 825 826 if (segs > (ch->sc_dma_op_count)) { 827 /* if old list was too small, free it */ 828 if (ch->sc_dma_ops) { 829 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 830 } 831 832 ch->sc_dma_ops = auvia_malloc(sc, 0, 833 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 834 835 if (ch->sc_dma_ops == NULL) { 836 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 837 return 1; 838 } 839 840 for (dp = sc->sc_dmas; 841 dp && dp->addr != (void *)(ch->sc_dma_ops); 842 dp = dp->next) 843 ; 844 845 if (!dp) 846 panic("%s: build_dma_ops: where'd my memory go??? " 847 "address (%p)\n", sc->sc_dev.dv_xname, 848 ch->sc_dma_ops); 849 850 ch->sc_dma_op_count = segs; 851 ch->sc_dma_ops_dma = dp; 852 } 853 854 dp = ch->sc_dma_ops_dma; 855 op = ch->sc_dma_ops; 856 857 while (l) { 858 op->ptr = s; 859 l = l - blksize; 860 if (!l) { 861 /* if last block */ 862 op->flags = AUVIA_DMAOP_EOL | blksize; 863 } else { 864 op->flags = AUVIA_DMAOP_FLAG | blksize; 865 } 866 s += blksize; 867 op++; 868 } 869 870 return 0; 871 } 872 873 874 int 875 auvia_trigger_output(void *addr, void *start, void *end, 876 int blksize, void (*intr)(void *), void *arg, 877 struct audio_params *param) 878 { 879 struct auvia_softc *sc = addr; 880 struct auvia_softc_chan *ch = &(sc->sc_play); 881 struct auvia_dma *p; 882 883 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 884 ; 885 886 if (!p) 887 panic("auvia_trigger_output: request with bad start " 888 "address (%p)\n", start); 889 890 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 891 return 1; 892 } 893 894 ch->sc_intr = intr; 895 ch->sc_arg = arg; 896 897 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_DMAOPS_BASE, 898 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 899 900 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_MODE, 901 ch->sc_reg); 902 903 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_CONTROL, 904 AUVIA_RPCTRL_START); 905 906 return 0; 907 } 908 909 910 int 911 auvia_trigger_input(void *addr, void *start, void *end, 912 int blksize, void (*intr)(void *), void *arg, 913 struct audio_params *param) 914 { 915 struct auvia_softc *sc = addr; 916 struct auvia_softc_chan *ch = &(sc->sc_record); 917 struct auvia_dma *p; 918 919 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 920 ; 921 922 if (!p) 923 panic("auvia_trigger_input: request with bad start " 924 "address (%p)\n", start); 925 926 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 927 return 1; 928 } 929 930 ch->sc_intr = intr; 931 ch->sc_arg = arg; 932 933 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_DMAOPS_BASE, 934 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 935 936 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_MODE, 937 ch->sc_reg); 938 939 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_CONTROL, 940 AUVIA_RPCTRL_START); 941 942 return 0; 943 } 944 945 946 int 947 auvia_intr(void *arg) 948 { 949 struct auvia_softc *sc = arg; 950 u_int8_t r; 951 952 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT); 953 if (r & AUVIA_RPSTAT_INTR) { 954 if (sc->sc_record.sc_intr) 955 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 956 957 /* clear interrupts */ 958 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_RECORD_STAT, 959 AUVIA_RPSTAT_INTR); 960 } 961 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT); 962 if (r & AUVIA_RPSTAT_INTR) { 963 if (sc->sc_play.sc_intr) 964 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 965 966 /* clear interrupts */ 967 bus_space_write_1(sc->sc_iot, sc->sc_ioh, AUVIA_PLAY_STAT, 968 AUVIA_RPSTAT_INTR); 969 } 970 971 return 1; 972 } 973
Indexes created Mon Sep 29 21:09:56 GMT 2025