auvia.c revision 1.22
1 /* $NetBSD: auvia.c,v 1.22 2002/10/05 18:08:30 kent 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 / VT8233 / VT8235 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 1.22 2002/10/05 18:08:30 kent Exp $"); 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/malloc.h> 55 #include <sys/device.h> 56 #include <sys/audioio.h> 57 58 #include <uvm/uvm_extern.h> 59 60 #include <dev/pci/pcidevs.h> 61 #include <dev/pci/pcivar.h> 62 63 #include <dev/audio_if.h> 64 #include <dev/mulaw.h> 65 #include <dev/auconv.h> 66 67 #include <dev/ic/ac97reg.h> 68 #include <dev/ic/ac97var.h> 69 70 #include <dev/pci/auviavar.h> 71 72 struct auvia_dma { 73 struct auvia_dma *next; 74 caddr_t addr; 75 size_t size; 76 bus_dmamap_t map; 77 bus_dma_segment_t seg; 78 }; 79 80 struct auvia_dma_op { 81 u_int32_t ptr; 82 u_int32_t flags; 83 #define AUVIA_DMAOP_EOL 0x80000000 84 #define AUVIA_DMAOP_FLAG 0x40000000 85 #define AUVIA_DMAOP_STOP 0x20000000 86 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 87 }; 88 89 /* rev. H and later seem to support only fixed rate 48 kHz */ 90 #define AUVIA_FIXED_RATE 48000 91 92 int auvia_match(struct device *, struct cfdata *, void *); 93 void auvia_attach(struct device *, struct device *, void *); 94 int auvia_open(void *, int); 95 void auvia_close(void *); 96 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 97 int auvia_set_params(void *, int, int, struct audio_params *, 98 struct audio_params *); 99 int auvia_round_blocksize(void *, int); 100 int auvia_halt_output(void *); 101 int auvia_halt_input(void *); 102 int auvia_getdev(void *, struct audio_device *); 103 int auvia_set_port(void *, mixer_ctrl_t *); 104 int auvia_get_port(void *, mixer_ctrl_t *); 105 int auvia_query_devinfo(void *, mixer_devinfo_t *); 106 void * auvia_malloc(void *, int, size_t, int, int); 107 void auvia_free(void *, void *, int); 108 size_t auvia_round_buffersize(void *, int, size_t); 109 paddr_t auvia_mappage(void *, void *, off_t, int); 110 int auvia_get_props(void *); 111 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 112 struct auvia_dma *, void *, void *, int); 113 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 114 void *, struct audio_params *); 115 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 116 void *, struct audio_params *); 117 118 int auvia_intr __P((void *)); 119 120 CFATTACH_DECL(auvia, sizeof (struct auvia_softc), 121 auvia_match, auvia_attach, NULL, NULL); 122 123 #define AUVIA_PCICONF_JUNK 0x40 124 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 125 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 126 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 127 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 128 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 129 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 130 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 131 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 132 133 #define AUVIA_PLAY_BASE 0x00 134 #define AUVIA_RECORD_BASE 0x10 135 136 #define AUVIA_RP_STAT 0x00 137 #define AUVIA_RPSTAT_INTR 0x03 138 #define AUVIA_RP_CONTROL 0x01 139 #define AUVIA_RPCTRL_START 0x80 140 #define AUVIA_RPCTRL_TERMINATE 0x40 141 #define AUVIA_RPCTRL_AUTOSTART 0x20 142 /* The following are 8233 specific */ 143 #define AUVIA_RPCTRL_STOP 0x04 144 #define AUVIA_RPCTRL_EOL 0x02 145 #define AUVIA_RPCTRL_FLAG 0x01 146 #define AUVIA_RP_MODE 0x02 147 #define AUVIA_RPMODE_INTR_FLAG 0x01 148 #define AUVIA_RPMODE_INTR_EOL 0x02 149 #define AUVIA_RPMODE_STEREO 0x10 150 #define AUVIA_RPMODE_16BIT 0x20 151 #define AUVIA_RPMODE_AUTOSTART 0x80 152 #define AUVIA_RP_DMAOPS_BASE 0x04 153 154 #define VIA8233_RP_DXS_LVOL 0x02 155 #define VIA8233_RP_DXS_RVOL 0x03 156 #define VIA8233_RP_RATEFMT 0x08 157 #define VIA8233_RATEFMT_48K 0xfffff 158 #define VIA8233_RATEFMT_STEREO 0x00100000 159 #define VIA8233_RATEFMT_16BIT 0x00200000 160 161 #define VIA_RP_DMAOPS_COUNT 0x0c 162 163 #define AUVIA_CODEC_CTL 0x80 164 #define AUVIA_CODEC_READ 0x00800000 165 #define AUVIA_CODEC_BUSY 0x01000000 166 #define AUVIA_CODEC_PRIVALID 0x02000000 167 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 168 169 #define TIMEOUT 50 170 171 struct audio_hw_if auvia_hw_if = { 172 auvia_open, 173 auvia_close, 174 NULL, /* drain */ 175 auvia_query_encoding, 176 auvia_set_params, 177 auvia_round_blocksize, 178 NULL, /* commit_settings */ 179 NULL, /* init_output */ 180 NULL, /* init_input */ 181 NULL, /* start_output */ 182 NULL, /* start_input */ 183 auvia_halt_output, 184 auvia_halt_input, 185 NULL, /* speaker_ctl */ 186 auvia_getdev, 187 NULL, /* setfd */ 188 auvia_set_port, 189 auvia_get_port, 190 auvia_query_devinfo, 191 auvia_malloc, 192 auvia_free, 193 auvia_round_buffersize, 194 auvia_mappage, 195 auvia_get_props, 196 auvia_trigger_output, 197 auvia_trigger_input, 198 NULL, /* dev_ioctl */ 199 }; 200 201 int auvia_attach_codec(void *, struct ac97_codec_if *); 202 int auvia_write_codec(void *, u_int8_t, u_int16_t); 203 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 204 void auvia_reset_codec(void *); 205 int auvia_waitready_codec(struct auvia_softc *sc); 206 int auvia_waitvalid_codec(struct auvia_softc *sc); 207 208 209 int 210 auvia_match(struct device *parent, struct cfdata *match, void *aux) 211 { 212 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 213 214 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 215 return 0; 216 switch (PCI_PRODUCT(pa->pa_id)) { 217 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 218 case PCI_PRODUCT_VIATECH_VT8233_AC97: 219 break; 220 default: 221 return 0; 222 } 223 224 return 1; 225 } 226 227 228 void 229 auvia_attach(struct device *parent, struct device *self, void *aux) 230 { 231 struct pci_attach_args *pa = aux; 232 struct auvia_softc *sc = (struct auvia_softc *) self; 233 const char *intrstr = NULL; 234 struct mixer_ctrl ctl; 235 pci_chipset_tag_t pc = pa->pa_pc; 236 pcitag_t pt = pa->pa_tag; 237 pci_intr_handle_t ih; 238 bus_size_t iosize; 239 pcireg_t pr; 240 u_int16_t v; 241 int r, i; 242 243 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) 244 sc->sc_flags |= AUVIA_FLAGS_VT8233; 245 246 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 247 &sc->sc_ioh, NULL, &iosize)) { 248 printf(": can't map i/o space\n"); 249 return; 250 } 251 252 sc->sc_dmat = pa->pa_dmat; 253 sc->sc_pc = pc; 254 sc->sc_pt = pt; 255 256 r = PCI_REVISION(pa->pa_class); 257 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 258 sprintf(sc->sc_revision, "0x%02X", r); 259 if (r < 0x50) { 260 printf(": VIA VT8233 AC'97 Audio (rev %s)\n", 261 sc->sc_revision); 262 } else { 263 printf(": VIA VT8235 AC'97 Audio (rev %s)\n", 264 sc->sc_revision); 265 } 266 } else { 267 sc->sc_revision[1] = '\0'; 268 if (r == 0x20) { 269 sc->sc_revision[0] = 'H'; 270 } else if ((r >= 0x10) && (r <= 0x14)) { 271 sc->sc_revision[0] = 'A' + (r - 0x10); 272 } else { 273 sprintf(sc->sc_revision, "0x%02X", r); 274 } 275 276 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 277 sc->sc_revision); 278 } 279 280 if (pci_intr_map(pa, &ih)) { 281 printf(": couldn't map interrupt\n"); 282 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 283 return; 284 } 285 intrstr = pci_intr_string(pc, ih); 286 287 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 288 if (sc->sc_ih == NULL) { 289 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 290 if (intrstr != NULL) 291 printf(" at %s", intrstr); 292 printf("\n"); 293 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 294 return; 295 } 296 297 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 298 299 /* disable SBPro compat & others */ 300 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 301 302 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 303 /* XXX what to do about MIDI, FM, joystick? */ 304 305 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 306 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 307 308 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 309 310 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 311 312 sc->host_if.arg = sc; 313 sc->host_if.attach = auvia_attach_codec; 314 sc->host_if.read = auvia_read_codec; 315 sc->host_if.write = auvia_write_codec; 316 sc->host_if.reset = auvia_reset_codec; 317 318 if ((r = ac97_attach(&sc->host_if)) != 0) { 319 printf("%s: can't attach codec (error 0x%X)\n", 320 sc->sc_dev.dv_xname, r); 321 pci_intr_disestablish(pc, sc->sc_ih); 322 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 323 return; 324 } 325 326 /* 327 * Print a warning if the codec doesn't support hardware variable 328 * rate audio. 329 */ 330 if (auvia_read_codec(sc, AC97_REG_EXTENDED_ID, &v) 331 || !(v & AC97_CODEC_DOES_VRA)) { 332 printf("%s: warning: codec doesn't support hardware AC'97 2.0 Variable Rate Audio\n", 333 sc->sc_dev.dv_xname); 334 sc->sc_fixed_rate = AUVIA_FIXED_RATE; /* XXX wrong value */ 335 } else { 336 /* enable VRA */ 337 auvia_write_codec(sc, AC97_REG_EXTENDED_STATUS, 338 AC97_ENAB_VRA | AC97_ENAB_MICVRA); 339 sc->sc_fixed_rate = 0; 340 } 341 342 /* disable mutes */ 343 for (i = 0; i < 4; i++) { 344 static struct { 345 char *class, *device; 346 } d[] = { 347 { AudioCoutputs, AudioNmaster}, 348 { AudioCinputs, AudioNdac}, 349 { AudioCinputs, AudioNcd}, 350 { AudioCinputs, AudioNline}, 351 { AudioCrecord, AudioNvolume}, 352 }; 353 354 ctl.type = AUDIO_MIXER_ENUM; 355 ctl.un.ord = 0; 356 357 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 358 d[i].class, d[i].device, AudioNmute); 359 auvia_set_port(sc, &ctl); 360 } 361 362 /* set a reasonable default volume */ 363 364 ctl.type = AUDIO_MIXER_VALUE; 365 ctl.un.value.num_channels = 2; 366 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 367 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 368 369 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 370 AudioCoutputs, AudioNmaster, NULL); 371 auvia_set_port(sc, &ctl); 372 373 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 374 } 375 376 377 int 378 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 379 { 380 struct auvia_softc *sc = addr; 381 382 sc->codec_if = cif; 383 384 return 0; 385 } 386 387 388 void 389 auvia_reset_codec(void *addr) 390 { 391 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 392 struct auvia_softc *sc = addr; 393 pcireg_t r; 394 395 /* perform a codec cold reset */ 396 397 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 398 399 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 400 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 401 delay(2); 402 403 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 404 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 405 delay(200); 406 407 auvia_waitready_codec(sc); 408 #endif 409 } 410 411 412 int 413 auvia_waitready_codec(struct auvia_softc *sc) 414 { 415 int i; 416 417 /* poll until codec not busy */ 418 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 419 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 420 delay(1); 421 if (i >= TIMEOUT) { 422 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 423 return 1; 424 } 425 426 return 0; 427 } 428 429 430 int 431 auvia_waitvalid_codec(struct auvia_softc *sc) 432 { 433 int i; 434 435 /* poll until codec valid */ 436 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 437 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 438 delay(1); 439 if (i >= TIMEOUT) { 440 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 441 return 1; 442 } 443 444 return 0; 445 } 446 447 448 int 449 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 450 { 451 struct auvia_softc *sc = addr; 452 453 if (auvia_waitready_codec(sc)) 454 return 1; 455 456 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 457 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 458 459 return 0; 460 } 461 462 463 int 464 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 465 { 466 struct auvia_softc *sc = addr; 467 468 if (auvia_waitready_codec(sc)) 469 return 1; 470 471 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 472 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 473 474 if (auvia_waitready_codec(sc)) 475 return 1; 476 477 if (auvia_waitvalid_codec(sc)) 478 return 1; 479 480 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 481 482 return 0; 483 } 484 485 486 int 487 auvia_open(void *addr, int flags) 488 { 489 return 0; 490 } 491 492 493 void 494 auvia_close(void *addr) 495 { 496 struct auvia_softc *sc = addr; 497 498 auvia_halt_output(sc); 499 auvia_halt_input(sc); 500 501 sc->sc_play.sc_intr = NULL; 502 sc->sc_record.sc_intr = NULL; 503 } 504 505 506 int 507 auvia_query_encoding(void *addr, struct audio_encoding *fp) 508 { 509 switch (fp->index) { 510 case 0: 511 strcpy(fp->name, AudioEulinear); 512 fp->encoding = AUDIO_ENCODING_ULINEAR; 513 fp->precision = 8; 514 fp->flags = 0; 515 return (0); 516 case 1: 517 strcpy(fp->name, AudioEmulaw); 518 fp->encoding = AUDIO_ENCODING_ULAW; 519 fp->precision = 8; 520 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 521 return (0); 522 case 2: 523 strcpy(fp->name, AudioEalaw); 524 fp->encoding = AUDIO_ENCODING_ALAW; 525 fp->precision = 8; 526 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 527 return (0); 528 case 3: 529 strcpy(fp->name, AudioEslinear); 530 fp->encoding = AUDIO_ENCODING_SLINEAR; 531 fp->precision = 8; 532 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 533 return (0); 534 case 4: 535 strcpy(fp->name, AudioEslinear_le); 536 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 537 fp->precision = 16; 538 fp->flags = 0; 539 return (0); 540 case 5: 541 strcpy(fp->name, AudioEulinear_le); 542 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 543 fp->precision = 16; 544 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 545 return (0); 546 case 6: 547 strcpy(fp->name, AudioEslinear_be); 548 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 549 fp->precision = 16; 550 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 551 return (0); 552 case 7: 553 strcpy(fp->name, AudioEulinear_be); 554 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 555 fp->precision = 16; 556 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 557 return (0); 558 default: 559 return (EINVAL); 560 } 561 } 562 563 564 int 565 auvia_set_params(void *addr, int setmode, int usemode, 566 struct audio_params *play, struct audio_params *rec) 567 { 568 struct auvia_softc *sc = addr; 569 struct audio_params *p; 570 u_int16_t regval; 571 int reg, mode, base; 572 573 /* for mode in (RECORD, PLAY) */ 574 for (mode = AUMODE_RECORD; mode != -1; 575 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 576 if ((setmode & mode) == 0) 577 continue; 578 579 if (mode == AUMODE_PLAY ) { 580 p = play; 581 base = AUVIA_PLAY_BASE; 582 } else { 583 p = rec; 584 base = AUVIA_RECORD_BASE; 585 } 586 587 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 588 u_int32_t v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 589 base + VIA8233_RP_RATEFMT) & ~(VIA8233_RATEFMT_48K 590 | VIA8233_RATEFMT_STEREO | VIA8233_RATEFMT_16BIT); 591 592 v |= VIA8233_RATEFMT_48K * 593 (p->sample_rate / 20) / (48000 / 20); 594 595 if (p->channels == 2) 596 v |= VIA8233_RATEFMT_STEREO; 597 if( p->precision == 16) 598 v |= VIA8233_RATEFMT_16BIT; 599 600 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 601 base + VIA8233_RP_RATEFMT, v); 602 } 603 604 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 605 (p->precision != 8 && p->precision != 16) || 606 (p->channels != 1 && p->channels != 2)) 607 return (EINVAL); 608 609 reg = mode == AUMODE_PLAY ? 610 AC97_REG_PCM_FRONT_DAC_RATE : AC97_REG_PCM_LR_ADC_RATE; 611 612 if (!sc->sc_fixed_rate) { 613 auvia_write_codec(sc, reg, (u_int16_t) p->sample_rate); 614 auvia_read_codec(sc, reg, ®val); 615 p->sample_rate = regval; 616 } else 617 p->sample_rate = sc->sc_fixed_rate; 618 619 p->factor = 1; 620 p->sw_code = 0; 621 switch (p->encoding) { 622 case AUDIO_ENCODING_SLINEAR_BE: 623 if (p->precision == 16) 624 p->sw_code = swap_bytes; 625 else 626 p->sw_code = change_sign8; 627 break; 628 case AUDIO_ENCODING_SLINEAR_LE: 629 if (p->precision != 16) 630 p->sw_code = change_sign8; 631 break; 632 case AUDIO_ENCODING_ULINEAR_BE: 633 if (p->precision == 16) { 634 if (mode == AUMODE_PLAY) 635 p->sw_code = swap_bytes_change_sign16_le; 636 else 637 p->sw_code = change_sign16_swap_bytes_le; 638 } 639 break; 640 case AUDIO_ENCODING_ULINEAR_LE: 641 if (p->precision == 16) 642 p->sw_code = change_sign16_le; 643 break; 644 case AUDIO_ENCODING_ULAW: 645 if (mode == AUMODE_PLAY) { 646 p->factor = 2; 647 p->sw_code = mulaw_to_slinear16_le; 648 } else 649 p->sw_code = ulinear8_to_mulaw; 650 break; 651 case AUDIO_ENCODING_ALAW: 652 if (mode == AUMODE_PLAY) { 653 p->factor = 2; 654 p->sw_code = alaw_to_slinear16_le; 655 } else 656 p->sw_code = ulinear8_to_alaw; 657 break; 658 default: 659 return (EINVAL); 660 } 661 662 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 663 | (p->precision * p->factor == 16 ? 664 AUVIA_RPMODE_16BIT : 0) 665 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 666 | AUVIA_RPMODE_AUTOSTART; 667 668 if (mode == AUMODE_PLAY) { 669 sc->sc_play.sc_reg = regval; 670 } else { 671 sc->sc_record.sc_reg = regval; 672 } 673 } 674 675 return 0; 676 } 677 678 679 int 680 auvia_round_blocksize(void *addr, int blk) 681 { 682 return (blk & -32); 683 } 684 685 686 int 687 auvia_halt_output(void *addr) 688 { 689 struct auvia_softc *sc = addr; 690 691 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 692 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 693 694 return 0; 695 } 696 697 698 int 699 auvia_halt_input(void *addr) 700 { 701 struct auvia_softc *sc = addr; 702 703 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 704 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 705 706 return 0; 707 } 708 709 710 int 711 auvia_getdev(void *addr, struct audio_device *retp) 712 { 713 struct auvia_softc *sc = addr; 714 715 if (retp) { 716 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 717 strncpy(retp->name, "VIA VT8233/VT8235", 718 sizeof(retp->name)); 719 } else { 720 strncpy(retp->name, "VIA VT82C686A", 721 sizeof(retp->name)); 722 } 723 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 724 strncpy(retp->config, "auvia", sizeof(retp->config)); 725 } 726 727 return 0; 728 } 729 730 731 int 732 auvia_set_port(void *addr, mixer_ctrl_t *cp) 733 { 734 struct auvia_softc *sc = addr; 735 736 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 737 } 738 739 740 int 741 auvia_get_port(void *addr, mixer_ctrl_t *cp) 742 { 743 struct auvia_softc *sc = addr; 744 745 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 746 } 747 748 749 int 750 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 751 { 752 struct auvia_softc *sc = addr; 753 754 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 755 } 756 757 758 void * 759 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 760 { 761 struct auvia_softc *sc = addr; 762 struct auvia_dma *p; 763 int error; 764 int rseg; 765 766 p = malloc(sizeof(*p), pool, flags); 767 if (!p) 768 return 0; 769 770 p->size = size; 771 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 772 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 773 printf("%s: unable to allocate dma, error = %d\n", 774 sc->sc_dev.dv_xname, error); 775 goto fail_alloc; 776 } 777 778 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 779 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 780 printf("%s: unable to map dma, error = %d\n", 781 sc->sc_dev.dv_xname, error); 782 goto fail_map; 783 } 784 785 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 786 BUS_DMA_NOWAIT, &p->map)) != 0) { 787 printf("%s: unable to create dma map, error = %d\n", 788 sc->sc_dev.dv_xname, error); 789 goto fail_create; 790 } 791 792 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 793 BUS_DMA_NOWAIT)) != 0) { 794 printf("%s: unable to load dma map, error = %d\n", 795 sc->sc_dev.dv_xname, error); 796 goto fail_load; 797 } 798 799 p->next = sc->sc_dmas; 800 sc->sc_dmas = p; 801 802 return p->addr; 803 804 805 fail_load: 806 bus_dmamap_destroy(sc->sc_dmat, p->map); 807 fail_create: 808 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 809 fail_map: 810 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 811 fail_alloc: 812 free(p, pool); 813 return 0; 814 } 815 816 817 void 818 auvia_free(void *addr, void *ptr, int pool) 819 { 820 struct auvia_softc *sc = addr; 821 struct auvia_dma **pp, *p; 822 823 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 824 if (p->addr == ptr) { 825 bus_dmamap_unload(sc->sc_dmat, p->map); 826 bus_dmamap_destroy(sc->sc_dmat, p->map); 827 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 828 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 829 830 *pp = p->next; 831 free(p, pool); 832 return; 833 } 834 835 panic("auvia_free: trying to free unallocated memory"); 836 } 837 838 839 size_t 840 auvia_round_buffersize(void *addr, int direction, size_t size) 841 { 842 return size; 843 } 844 845 846 paddr_t 847 auvia_mappage(void *addr, void *mem, off_t off, int prot) 848 { 849 struct auvia_softc *sc = addr; 850 struct auvia_dma *p; 851 852 if (off < 0) 853 return -1; 854 855 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 856 ; 857 858 if (!p) 859 return -1; 860 861 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 862 BUS_DMA_WAITOK); 863 } 864 865 866 int 867 auvia_get_props(void *addr) 868 { 869 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT 870 | AUDIO_PROP_FULLDUPLEX; 871 } 872 873 874 int 875 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 876 struct auvia_dma *p, void *start, void *end, int blksize) 877 { 878 struct auvia_dma_op *op; 879 struct auvia_dma *dp; 880 bus_addr_t s, e; 881 size_t l; 882 int segs; 883 884 s = p->map->dm_segs[0].ds_addr; 885 l = ((char *)end - (char *)start); 886 e = s + l; 887 segs = (l + blksize - 1) / blksize; 888 889 if (segs > (ch->sc_dma_op_count)) { 890 /* if old list was too small, free it */ 891 if (ch->sc_dma_ops) { 892 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 893 } 894 895 ch->sc_dma_ops = auvia_malloc(sc, 0, 896 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 897 898 if (ch->sc_dma_ops == NULL) { 899 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 900 return 1; 901 } 902 903 for (dp = sc->sc_dmas; 904 dp && dp->addr != (void *)(ch->sc_dma_ops); 905 dp = dp->next) 906 ; 907 908 if (!dp) 909 panic("%s: build_dma_ops: where'd my memory go??? " 910 "address (%p)\n", sc->sc_dev.dv_xname, 911 ch->sc_dma_ops); 912 913 ch->sc_dma_op_count = segs; 914 ch->sc_dma_ops_dma = dp; 915 } 916 917 dp = ch->sc_dma_ops_dma; 918 op = ch->sc_dma_ops; 919 920 while (l) { 921 op->ptr = s; 922 l = l - blksize; 923 if (!l) { 924 /* if last block */ 925 op->flags = AUVIA_DMAOP_EOL | blksize; 926 } else { 927 op->flags = AUVIA_DMAOP_FLAG | blksize; 928 } 929 s += blksize; 930 op++; 931 } 932 933 return 0; 934 } 935 936 937 int 938 auvia_trigger_output(void *addr, void *start, void *end, 939 int blksize, void (*intr)(void *), void *arg, 940 struct audio_params *param) 941 { 942 struct auvia_softc *sc = addr; 943 struct auvia_softc_chan *ch = &(sc->sc_play); 944 struct auvia_dma *p; 945 946 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 947 ; 948 949 if (!p) 950 panic("auvia_trigger_output: request with bad start " 951 "address (%p)", start); 952 953 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 954 return 1; 955 } 956 957 ch->sc_intr = intr; 958 ch->sc_arg = arg; 959 960 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 961 AUVIA_PLAY_BASE + AUVIA_RP_DMAOPS_BASE, 962 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 963 964 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 965 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, ch->sc_reg); 966 967 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 968 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 969 AUVIA_PLAY_BASE + VIA8233_RP_DXS_LVOL, 0); 970 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 971 AUVIA_PLAY_BASE + VIA8233_RP_DXS_RVOL, 0); 972 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 973 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, 974 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 975 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 976 } else 977 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 978 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 979 980 return 0; 981 } 982 983 984 int 985 auvia_trigger_input(void *addr, void *start, void *end, 986 int blksize, void (*intr)(void *), void *arg, 987 struct audio_params *param) 988 { 989 struct auvia_softc *sc = addr; 990 struct auvia_softc_chan *ch = &(sc->sc_record); 991 struct auvia_dma *p; 992 993 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 994 ; 995 996 if (!p) 997 panic("auvia_trigger_input: request with bad start " 998 "address (%p)", start); 999 1000 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1001 return 1; 1002 } 1003 1004 ch->sc_intr = intr; 1005 ch->sc_arg = arg; 1006 1007 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 1008 AUVIA_RECORD_BASE + AUVIA_RP_DMAOPS_BASE, 1009 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1010 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1011 AUVIA_RECORD_BASE + AUVIA_RP_MODE, 1012 ch->sc_reg); 1013 1014 if(sc->sc_flags & AUVIA_FLAGS_VT8233) { 1015 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1016 AUVIA_RECORD_BASE + VIA8233_RP_DXS_LVOL, 0); 1017 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1018 AUVIA_RECORD_BASE + VIA8233_RP_DXS_RVOL, 0); 1019 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1020 AUVIA_RECORD_BASE + AUVIA_RP_CONTROL, 1021 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1022 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1023 } else 1024 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1025 AUVIA_RECORD_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1026 1027 return 0; 1028 } 1029 1030 1031 int 1032 auvia_intr(void *arg) 1033 { 1034 struct auvia_softc *sc = arg; 1035 u_int8_t r; 1036 int rval; 1037 1038 rval = 0; 1039 1040 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1041 AUVIA_RECORD_BASE + AUVIA_RP_STAT); 1042 if (r & AUVIA_RPSTAT_INTR) { 1043 if (sc->sc_record.sc_intr) 1044 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1045 1046 /* clear interrupts */ 1047 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1048 AUVIA_RECORD_BASE + AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1049 rval = 1; 1050 } 1051 1052 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1053 AUVIA_PLAY_BASE + AUVIA_RP_STAT); 1054 if (r & AUVIA_RPSTAT_INTR) { 1055 if (sc->sc_play.sc_intr) 1056 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1057 1058 /* clear interrupts */ 1059 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1060 AUVIA_PLAY_BASE + AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1061 rval = 1; 1062 } 1063 1064 return rval; 1065 } 1066
Indexes created Mon Sep 29 21:09:56 GMT 2025