auvia.c revision 1.26
1 /* $NetBSD: auvia.c,v 1.26 2002/10/08 13:10:24 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 1.26 2002/10/08 13:10:24 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 int auvia_match(struct device *, struct cfdata *, void *); 90 void auvia_attach(struct device *, struct device *, void *); 91 int auvia_open(void *, int); 92 void auvia_close(void *); 93 int auvia_query_encoding(void *addr, struct audio_encoding *fp); 94 int auvia_set_params(void *, int, int, struct audio_params *, 95 struct audio_params *); 96 int auvia_round_blocksize(void *, int); 97 int auvia_halt_output(void *); 98 int auvia_halt_input(void *); 99 int auvia_getdev(void *, struct audio_device *); 100 int auvia_set_port(void *, mixer_ctrl_t *); 101 int auvia_get_port(void *, mixer_ctrl_t *); 102 int auvia_query_devinfo(void *, mixer_devinfo_t *); 103 void * auvia_malloc(void *, int, size_t, int, int); 104 void auvia_free(void *, void *, int); 105 size_t auvia_round_buffersize(void *, int, size_t); 106 paddr_t auvia_mappage(void *, void *, off_t, int); 107 int auvia_get_props(void *); 108 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 109 struct auvia_dma *, void *, void *, int); 110 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 111 void *, struct audio_params *); 112 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 113 void *, struct audio_params *); 114 115 int auvia_intr __P((void *)); 116 117 CFATTACH_DECL(auvia, sizeof (struct auvia_softc), 118 auvia_match, auvia_attach, NULL, NULL); 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_BASE 0x00 131 #define AUVIA_RECORD_BASE 0x10 132 133 #define AUVIA_RP_STAT 0x00 134 #define AUVIA_RPSTAT_INTR 0x03 135 #define AUVIA_RP_CONTROL 0x01 136 #define AUVIA_RPCTRL_START 0x80 137 #define AUVIA_RPCTRL_TERMINATE 0x40 138 #define AUVIA_RPCTRL_AUTOSTART 0x20 139 /* The following are 8233 specific */ 140 #define AUVIA_RPCTRL_STOP 0x04 141 #define AUVIA_RPCTRL_EOL 0x02 142 #define AUVIA_RPCTRL_FLAG 0x01 143 #define AUVIA_RP_MODE 0x02 144 #define AUVIA_RPMODE_INTR_FLAG 0x01 145 #define AUVIA_RPMODE_INTR_EOL 0x02 146 #define AUVIA_RPMODE_STEREO 0x10 147 #define AUVIA_RPMODE_16BIT 0x20 148 #define AUVIA_RPMODE_AUTOSTART 0x80 149 #define AUVIA_RP_DMAOPS_BASE 0x04 150 151 #define VIA8233_RP_DXS_LVOL 0x02 152 #define VIA8233_RP_DXS_RVOL 0x03 153 #define VIA8233_RP_RATEFMT 0x08 154 #define VIA8233_RATEFMT_48K 0xfffff 155 #define VIA8233_RATEFMT_STEREO 0x00100000 156 #define VIA8233_RATEFMT_16BIT 0x00200000 157 158 #define VIA_RP_DMAOPS_COUNT 0x0c 159 160 #define AUVIA_CODEC_CTL 0x80 161 #define AUVIA_CODEC_READ 0x00800000 162 #define AUVIA_CODEC_BUSY 0x01000000 163 #define AUVIA_CODEC_PRIVALID 0x02000000 164 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 165 166 #define TIMEOUT 50 167 168 struct audio_hw_if auvia_hw_if = { 169 auvia_open, 170 auvia_close, 171 NULL, /* drain */ 172 auvia_query_encoding, 173 auvia_set_params, 174 auvia_round_blocksize, 175 NULL, /* commit_settings */ 176 NULL, /* init_output */ 177 NULL, /* init_input */ 178 NULL, /* start_output */ 179 NULL, /* start_input */ 180 auvia_halt_output, 181 auvia_halt_input, 182 NULL, /* speaker_ctl */ 183 auvia_getdev, 184 NULL, /* setfd */ 185 auvia_set_port, 186 auvia_get_port, 187 auvia_query_devinfo, 188 auvia_malloc, 189 auvia_free, 190 auvia_round_buffersize, 191 auvia_mappage, 192 auvia_get_props, 193 auvia_trigger_output, 194 auvia_trigger_input, 195 NULL, /* dev_ioctl */ 196 }; 197 198 int auvia_attach_codec(void *, struct ac97_codec_if *); 199 int auvia_write_codec(void *, u_int8_t, u_int16_t); 200 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 201 void auvia_reset_codec(void *); 202 int auvia_waitready_codec(struct auvia_softc *sc); 203 int auvia_waitvalid_codec(struct auvia_softc *sc); 204 205 206 int 207 auvia_match(struct device *parent, struct cfdata *match, void *aux) 208 { 209 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 210 211 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 212 return 0; 213 switch (PCI_PRODUCT(pa->pa_id)) { 214 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 215 case PCI_PRODUCT_VIATECH_VT8233_AC97: 216 break; 217 default: 218 return 0; 219 } 220 221 return 1; 222 } 223 224 225 void 226 auvia_attach(struct device *parent, struct device *self, void *aux) 227 { 228 struct pci_attach_args *pa = aux; 229 struct auvia_softc *sc = (struct auvia_softc *) self; 230 const char *intrstr = NULL; 231 struct mixer_ctrl ctl; 232 pci_chipset_tag_t pc = pa->pa_pc; 233 pcitag_t pt = pa->pa_tag; 234 pci_intr_handle_t ih; 235 bus_size_t iosize; 236 pcireg_t pr; 237 int r, i; 238 239 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) 240 sc->sc_flags |= AUVIA_FLAGS_VT8233; 241 242 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 243 &sc->sc_ioh, NULL, &iosize)) { 244 printf(": can't map i/o space\n"); 245 return; 246 } 247 248 sc->sc_dmat = pa->pa_dmat; 249 sc->sc_pc = pc; 250 sc->sc_pt = pt; 251 252 r = PCI_REVISION(pa->pa_class); 253 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 254 sprintf(sc->sc_revision, "0x%02X", r); 255 if (r < 0x50) { 256 printf(": VIA VT8233 AC'97 Audio (rev %s)\n", 257 sc->sc_revision); 258 } else { 259 printf(": VIA VT8235 AC'97 Audio (rev %s)\n", 260 sc->sc_revision); 261 } 262 } else { 263 sc->sc_revision[1] = '\0'; 264 if (r == 0x20) { 265 sc->sc_revision[0] = 'H'; 266 } else if ((r >= 0x10) && (r <= 0x14)) { 267 sc->sc_revision[0] = 'A' + (r - 0x10); 268 } else { 269 sprintf(sc->sc_revision, "0x%02X", r); 270 } 271 272 printf(": VIA VT82C686A AC'97 Audio (rev %s)\n", 273 sc->sc_revision); 274 } 275 276 if (pci_intr_map(pa, &ih)) { 277 printf(": couldn't map interrupt\n"); 278 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 279 return; 280 } 281 intrstr = pci_intr_string(pc, ih); 282 283 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 284 if (sc->sc_ih == NULL) { 285 printf("%s: couldn't establish interrupt",sc->sc_dev.dv_xname); 286 if (intrstr != NULL) 287 printf(" at %s", intrstr); 288 printf("\n"); 289 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 290 return; 291 } 292 293 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 294 295 /* disable SBPro compat & others */ 296 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 297 298 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 299 /* XXX what to do about MIDI, FM, joystick? */ 300 301 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 302 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 303 304 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 305 306 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 307 308 sc->host_if.arg = sc; 309 sc->host_if.attach = auvia_attach_codec; 310 sc->host_if.read = auvia_read_codec; 311 sc->host_if.write = auvia_write_codec; 312 sc->host_if.reset = auvia_reset_codec; 313 314 if ((r = ac97_attach(&sc->host_if)) != 0) { 315 printf("%s: can't attach codec (error 0x%X)\n", 316 sc->sc_dev.dv_xname, r); 317 pci_intr_disestablish(pc, sc->sc_ih); 318 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 319 return; 320 } 321 322 /* disable mutes */ 323 for (i = 0; i < 4; i++) { 324 static struct { 325 char *class, *device; 326 } d[] = { 327 { AudioCoutputs, AudioNmaster}, 328 { AudioCinputs, AudioNdac}, 329 { AudioCinputs, AudioNcd}, 330 { AudioCinputs, AudioNline}, 331 { AudioCrecord, AudioNvolume}, 332 }; 333 334 ctl.type = AUDIO_MIXER_ENUM; 335 ctl.un.ord = 0; 336 337 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 338 d[i].class, d[i].device, AudioNmute); 339 auvia_set_port(sc, &ctl); 340 } 341 342 /* set a reasonable default volume */ 343 344 ctl.type = AUDIO_MIXER_VALUE; 345 ctl.un.value.num_channels = 2; 346 ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \ 347 ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199; 348 349 ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if, 350 AudioCoutputs, AudioNmaster, NULL); 351 auvia_set_port(sc, &ctl); 352 353 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 354 } 355 356 357 int 358 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 359 { 360 struct auvia_softc *sc = addr; 361 362 sc->codec_if = cif; 363 364 return 0; 365 } 366 367 368 void 369 auvia_reset_codec(void *addr) 370 { 371 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 372 struct auvia_softc *sc = addr; 373 pcireg_t r; 374 375 /* perform a codec cold reset */ 376 377 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 378 379 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 380 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 381 delay(2); 382 383 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 384 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 385 delay(200); 386 387 auvia_waitready_codec(sc); 388 #endif 389 } 390 391 392 int 393 auvia_waitready_codec(struct auvia_softc *sc) 394 { 395 int i; 396 397 /* poll until codec not busy */ 398 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 399 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 400 delay(1); 401 if (i >= TIMEOUT) { 402 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 403 return 1; 404 } 405 406 return 0; 407 } 408 409 410 int 411 auvia_waitvalid_codec(struct auvia_softc *sc) 412 { 413 int i; 414 415 /* poll until codec valid */ 416 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 417 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 418 delay(1); 419 if (i >= TIMEOUT) { 420 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 421 return 1; 422 } 423 424 return 0; 425 } 426 427 428 int 429 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 430 { 431 struct auvia_softc *sc = addr; 432 433 if (auvia_waitready_codec(sc)) 434 return 1; 435 436 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 437 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 438 439 return 0; 440 } 441 442 443 int 444 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 445 { 446 struct auvia_softc *sc = addr; 447 448 if (auvia_waitready_codec(sc)) 449 return 1; 450 451 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 452 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 453 454 if (auvia_waitready_codec(sc)) 455 return 1; 456 457 if (auvia_waitvalid_codec(sc)) 458 return 1; 459 460 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 461 462 return 0; 463 } 464 465 466 int 467 auvia_open(void *addr, int flags) 468 { 469 return 0; 470 } 471 472 473 void 474 auvia_close(void *addr) 475 { 476 struct auvia_softc *sc = addr; 477 478 auvia_halt_output(sc); 479 auvia_halt_input(sc); 480 481 sc->sc_play.sc_intr = NULL; 482 sc->sc_record.sc_intr = NULL; 483 } 484 485 486 int 487 auvia_query_encoding(void *addr, struct audio_encoding *fp) 488 { 489 switch (fp->index) { 490 case 0: 491 strcpy(fp->name, AudioEulinear); 492 fp->encoding = AUDIO_ENCODING_ULINEAR; 493 fp->precision = 8; 494 fp->flags = 0; 495 return (0); 496 case 1: 497 strcpy(fp->name, AudioEmulaw); 498 fp->encoding = AUDIO_ENCODING_ULAW; 499 fp->precision = 8; 500 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 501 return (0); 502 case 2: 503 strcpy(fp->name, AudioEalaw); 504 fp->encoding = AUDIO_ENCODING_ALAW; 505 fp->precision = 8; 506 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 507 return (0); 508 case 3: 509 strcpy(fp->name, AudioEslinear); 510 fp->encoding = AUDIO_ENCODING_SLINEAR; 511 fp->precision = 8; 512 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 513 return (0); 514 case 4: 515 strcpy(fp->name, AudioEslinear_le); 516 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 517 fp->precision = 16; 518 fp->flags = 0; 519 return (0); 520 case 5: 521 strcpy(fp->name, AudioEulinear_le); 522 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 523 fp->precision = 16; 524 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 525 return (0); 526 case 6: 527 strcpy(fp->name, AudioEslinear_be); 528 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 529 fp->precision = 16; 530 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 531 return (0); 532 case 7: 533 strcpy(fp->name, AudioEulinear_be); 534 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 535 fp->precision = 16; 536 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 537 return (0); 538 default: 539 return (EINVAL); 540 } 541 } 542 543 544 int 545 auvia_set_params(void *addr, int setmode, int usemode, 546 struct audio_params *play, struct audio_params *rec) 547 { 548 struct auvia_softc *sc = addr; 549 struct audio_params *p; 550 u_int16_t regval; 551 int reg, mode, base; 552 553 /* for mode in (RECORD, PLAY) */ 554 for (mode = AUMODE_RECORD; mode != -1; 555 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 556 if ((setmode & mode) == 0) 557 continue; 558 559 if (mode == AUMODE_PLAY ) { 560 p = play; 561 base = AUVIA_PLAY_BASE; 562 } else { 563 p = rec; 564 base = AUVIA_RECORD_BASE; 565 } 566 567 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 568 u_int32_t v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 569 base + VIA8233_RP_RATEFMT) & ~(VIA8233_RATEFMT_48K 570 | VIA8233_RATEFMT_STEREO | VIA8233_RATEFMT_16BIT); 571 572 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) 573 / (48000 / 20); 574 575 if (p->channels == 2) 576 v |= VIA8233_RATEFMT_STEREO; 577 if( p->precision == 16) 578 v |= VIA8233_RATEFMT_16BIT; 579 580 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 581 base + VIA8233_RP_RATEFMT, v); 582 } 583 584 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 585 (p->precision != 8 && p->precision != 16) || 586 (p->channels != 1 && p->channels != 2)) 587 return (EINVAL); 588 589 reg = mode == AUMODE_PLAY ? 590 AC97_REG_PCM_FRONT_DAC_RATE : AC97_REG_PCM_LR_ADC_RATE; 591 592 if (IS_FIXED_RATE(sc->codec_if)) { 593 /* Enable aurateconv */ 594 p->hw_sample_rate = AC97_SINGLE_RATE; 595 } else { 596 if (sc->codec_if->vtbl->set_rate(sc->codec_if, reg, 597 &p->sample_rate)) 598 return (EINVAL); 599 } 600 601 p->factor = 1; 602 p->sw_code = 0; 603 switch (p->encoding) { 604 case AUDIO_ENCODING_SLINEAR_BE: 605 if (p->precision == 16) 606 p->sw_code = swap_bytes; 607 else 608 p->sw_code = change_sign8; 609 break; 610 case AUDIO_ENCODING_SLINEAR_LE: 611 if (p->precision != 16) 612 p->sw_code = change_sign8; 613 break; 614 case AUDIO_ENCODING_ULINEAR_BE: 615 if (p->precision == 16) { 616 if (mode == AUMODE_PLAY) 617 p->sw_code = swap_bytes_change_sign16_le; 618 else 619 p->sw_code = change_sign16_swap_bytes_le; 620 } 621 break; 622 case AUDIO_ENCODING_ULINEAR_LE: 623 if (p->precision == 16) 624 p->sw_code = change_sign16_le; 625 break; 626 case AUDIO_ENCODING_ULAW: 627 if (mode == AUMODE_PLAY) { 628 p->factor = 2; 629 p->sw_code = mulaw_to_slinear16_le; 630 } else 631 p->sw_code = ulinear8_to_mulaw; 632 break; 633 case AUDIO_ENCODING_ALAW: 634 if (mode == AUMODE_PLAY) { 635 p->factor = 2; 636 p->sw_code = alaw_to_slinear16_le; 637 } else 638 p->sw_code = ulinear8_to_alaw; 639 break; 640 default: 641 return (EINVAL); 642 } 643 644 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 645 | (p->precision * p->factor == 16 ? 646 AUVIA_RPMODE_16BIT : 0) 647 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 648 | AUVIA_RPMODE_AUTOSTART; 649 650 if (mode == AUMODE_PLAY) { 651 sc->sc_play.sc_reg = regval; 652 } else { 653 sc->sc_record.sc_reg = regval; 654 } 655 } 656 657 return 0; 658 } 659 660 661 int 662 auvia_round_blocksize(void *addr, int blk) 663 { 664 return (blk & -32); 665 } 666 667 668 int 669 auvia_halt_output(void *addr) 670 { 671 struct auvia_softc *sc = addr; 672 673 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 674 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 675 676 return 0; 677 } 678 679 680 int 681 auvia_halt_input(void *addr) 682 { 683 struct auvia_softc *sc = addr; 684 685 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 686 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 687 688 return 0; 689 } 690 691 692 int 693 auvia_getdev(void *addr, struct audio_device *retp) 694 { 695 struct auvia_softc *sc = addr; 696 697 if (retp) { 698 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 699 strncpy(retp->name, "VIA VT8233/8235", 700 sizeof(retp->name)); 701 } else { 702 strncpy(retp->name, "VIA VT82C686A", 703 sizeof(retp->name)); 704 } 705 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 706 strncpy(retp->config, "auvia", sizeof(retp->config)); 707 } 708 709 return 0; 710 } 711 712 713 int 714 auvia_set_port(void *addr, mixer_ctrl_t *cp) 715 { 716 struct auvia_softc *sc = addr; 717 718 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 719 } 720 721 722 int 723 auvia_get_port(void *addr, mixer_ctrl_t *cp) 724 { 725 struct auvia_softc *sc = addr; 726 727 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 728 } 729 730 731 int 732 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 733 { 734 struct auvia_softc *sc = addr; 735 736 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 737 } 738 739 740 void * 741 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 742 { 743 struct auvia_softc *sc = addr; 744 struct auvia_dma *p; 745 int error; 746 int rseg; 747 748 p = malloc(sizeof(*p), pool, flags); 749 if (!p) 750 return 0; 751 752 p->size = size; 753 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 754 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 755 printf("%s: unable to allocate dma, error = %d\n", 756 sc->sc_dev.dv_xname, error); 757 goto fail_alloc; 758 } 759 760 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 761 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 762 printf("%s: unable to map dma, error = %d\n", 763 sc->sc_dev.dv_xname, error); 764 goto fail_map; 765 } 766 767 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 768 BUS_DMA_NOWAIT, &p->map)) != 0) { 769 printf("%s: unable to create dma map, error = %d\n", 770 sc->sc_dev.dv_xname, error); 771 goto fail_create; 772 } 773 774 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 775 BUS_DMA_NOWAIT)) != 0) { 776 printf("%s: unable to load dma map, error = %d\n", 777 sc->sc_dev.dv_xname, error); 778 goto fail_load; 779 } 780 781 p->next = sc->sc_dmas; 782 sc->sc_dmas = p; 783 784 return p->addr; 785 786 787 fail_load: 788 bus_dmamap_destroy(sc->sc_dmat, p->map); 789 fail_create: 790 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 791 fail_map: 792 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 793 fail_alloc: 794 free(p, pool); 795 return 0; 796 } 797 798 799 void 800 auvia_free(void *addr, void *ptr, int pool) 801 { 802 struct auvia_softc *sc = addr; 803 struct auvia_dma **pp, *p; 804 805 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 806 if (p->addr == ptr) { 807 bus_dmamap_unload(sc->sc_dmat, p->map); 808 bus_dmamap_destroy(sc->sc_dmat, p->map); 809 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 810 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 811 812 *pp = p->next; 813 free(p, pool); 814 return; 815 } 816 817 panic("auvia_free: trying to free unallocated memory"); 818 } 819 820 821 size_t 822 auvia_round_buffersize(void *addr, int direction, size_t size) 823 { 824 return size; 825 } 826 827 828 paddr_t 829 auvia_mappage(void *addr, void *mem, off_t off, int prot) 830 { 831 struct auvia_softc *sc = addr; 832 struct auvia_dma *p; 833 834 if (off < 0) 835 return -1; 836 837 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 838 ; 839 840 if (!p) 841 return -1; 842 843 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 844 BUS_DMA_WAITOK); 845 } 846 847 848 int 849 auvia_get_props(void *addr) 850 { 851 struct auvia_softc *sc = addr; 852 int props; 853 854 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 855 /* 856 * Even if the codec is fixed-rate, set_param() succeeds for any sample 857 * rate because of aurateconv. Applications can't know what rate the 858 * device can process in the case of mmap(). 859 */ 860 if (!IS_FIXED_RATE(sc->codec_if)) 861 props |= AUDIO_PROP_MMAP; 862 return props; 863 } 864 865 866 int 867 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 868 struct auvia_dma *p, void *start, void *end, int blksize) 869 { 870 struct auvia_dma_op *op; 871 struct auvia_dma *dp; 872 bus_addr_t s, e; 873 size_t l; 874 int segs; 875 876 s = p->map->dm_segs[0].ds_addr; 877 l = ((char *)end - (char *)start); 878 e = s + l; 879 segs = (l + blksize - 1) / blksize; 880 881 if (segs > (ch->sc_dma_op_count)) { 882 /* if old list was too small, free it */ 883 if (ch->sc_dma_ops) { 884 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 885 } 886 887 ch->sc_dma_ops = auvia_malloc(sc, 0, 888 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 889 890 if (ch->sc_dma_ops == NULL) { 891 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 892 return 1; 893 } 894 895 for (dp = sc->sc_dmas; 896 dp && dp->addr != (void *)(ch->sc_dma_ops); 897 dp = dp->next) 898 ; 899 900 if (!dp) 901 panic("%s: build_dma_ops: where'd my memory go??? " 902 "address (%p)\n", sc->sc_dev.dv_xname, 903 ch->sc_dma_ops); 904 905 ch->sc_dma_op_count = segs; 906 ch->sc_dma_ops_dma = dp; 907 } 908 909 dp = ch->sc_dma_ops_dma; 910 op = ch->sc_dma_ops; 911 912 while (l) { 913 op->ptr = s; 914 l = l - blksize; 915 if (!l) { 916 /* if last block */ 917 op->flags = AUVIA_DMAOP_EOL | blksize; 918 } else { 919 op->flags = AUVIA_DMAOP_FLAG | blksize; 920 } 921 s += blksize; 922 op++; 923 } 924 925 return 0; 926 } 927 928 929 int 930 auvia_trigger_output(void *addr, void *start, void *end, 931 int blksize, void (*intr)(void *), void *arg, 932 struct audio_params *param) 933 { 934 struct auvia_softc *sc = addr; 935 struct auvia_softc_chan *ch = &(sc->sc_play); 936 struct auvia_dma *p; 937 938 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 939 ; 940 941 if (!p) 942 panic("auvia_trigger_output: request with bad start " 943 "address (%p)", start); 944 945 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 946 return 1; 947 } 948 949 ch->sc_intr = intr; 950 ch->sc_arg = arg; 951 952 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 953 AUVIA_PLAY_BASE + AUVIA_RP_DMAOPS_BASE, 954 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 955 956 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 957 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 958 AUVIA_PLAY_BASE + VIA8233_RP_DXS_LVOL, 0); 959 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 960 AUVIA_PLAY_BASE + VIA8233_RP_DXS_RVOL, 0); 961 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 962 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, 963 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 964 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 965 } else { 966 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 967 AUVIA_PLAY_BASE + AUVIA_RP_MODE, ch->sc_reg); 968 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 969 AUVIA_PLAY_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 970 } 971 972 return 0; 973 } 974 975 976 int 977 auvia_trigger_input(void *addr, void *start, void *end, 978 int blksize, void (*intr)(void *), void *arg, 979 struct audio_params *param) 980 { 981 struct auvia_softc *sc = addr; 982 struct auvia_softc_chan *ch = &(sc->sc_record); 983 struct auvia_dma *p; 984 985 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 986 ; 987 988 if (!p) 989 panic("auvia_trigger_input: request with bad start " 990 "address (%p)", start); 991 992 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 993 return 1; 994 } 995 996 ch->sc_intr = intr; 997 ch->sc_arg = arg; 998 999 bus_space_write_4(sc->sc_iot, sc->sc_ioh, 1000 AUVIA_RECORD_BASE + AUVIA_RP_DMAOPS_BASE, 1001 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1002 1003 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1004 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1005 AUVIA_RECORD_BASE + VIA8233_RP_DXS_LVOL, 0); 1006 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1007 AUVIA_RECORD_BASE + VIA8233_RP_DXS_RVOL, 0); 1008 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1009 AUVIA_RECORD_BASE + AUVIA_RP_CONTROL, 1010 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1011 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1012 } else { 1013 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1014 AUVIA_RECORD_BASE + AUVIA_RP_MODE, ch->sc_reg); 1015 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1016 AUVIA_RECORD_BASE + AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1017 } 1018 1019 return 0; 1020 } 1021 1022 1023 int 1024 auvia_intr(void *arg) 1025 { 1026 struct auvia_softc *sc = arg; 1027 u_int8_t r; 1028 int rval; 1029 1030 rval = 0; 1031 1032 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1033 AUVIA_RECORD_BASE + AUVIA_RP_STAT); 1034 if (r & AUVIA_RPSTAT_INTR) { 1035 if (sc->sc_record.sc_intr) 1036 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1037 1038 /* clear interrupts */ 1039 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1040 AUVIA_RECORD_BASE + AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1041 rval = 1; 1042 } 1043 1044 r = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1045 AUVIA_PLAY_BASE + AUVIA_RP_STAT); 1046 if (r & AUVIA_RPSTAT_INTR) { 1047 if (sc->sc_play.sc_intr) 1048 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1049 1050 /* clear interrupts */ 1051 bus_space_write_1(sc->sc_iot, sc->sc_ioh, 1052 AUVIA_PLAY_BASE + AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1053 rval = 1; 1054 } 1055 1056 return rval; 1057 } 1058
Indexes created Mon Sep 29 21:09:56 GMT 2025