auvia.c revision 1.29
1 /* $NetBSD: auvia.c,v 1.29 2003/01/31 00:07:40 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 / 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 1.29 2003/01/31 00:07:40 thorpej 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 *, struct audio_encoding *); 94 void auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *, 95 struct audio_params *); 96 int auvia_set_params(void *, int, int, struct audio_params *, 97 struct audio_params *); 98 int auvia_round_blocksize(void *, int); 99 int auvia_halt_output(void *); 100 int auvia_halt_input(void *); 101 int auvia_getdev(void *, struct audio_device *); 102 int auvia_set_port(void *, mixer_ctrl_t *); 103 int auvia_get_port(void *, mixer_ctrl_t *); 104 int auvia_query_devinfo(void *, mixer_devinfo_t *); 105 void * auvia_malloc(void *, int, size_t, int, int); 106 void auvia_free(void *, void *, int); 107 size_t auvia_round_buffersize(void *, int, size_t); 108 paddr_t auvia_mappage(void *, void *, off_t, int); 109 int auvia_get_props(void *); 110 int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *, 111 struct auvia_dma *, void *, void *, int); 112 int auvia_trigger_output(void *, void *, void *, int, void (*)(void *), 113 void *, struct audio_params *); 114 int auvia_trigger_input(void *, void *, void *, int, void (*)(void *), 115 void *, struct audio_params *); 116 117 int auvia_intr __P((void *)); 118 119 CFATTACH_DECL(auvia, sizeof (struct auvia_softc), 120 auvia_match, auvia_attach, NULL, NULL); 121 122 #define AUVIA_PCICONF_JUNK 0x40 123 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 124 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 125 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 126 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 127 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 128 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 129 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 130 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 131 132 #define AUVIA_PLAY_BASE 0x00 133 #define AUVIA_RECORD_BASE 0x10 134 135 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */ 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 /* 82c686 specific */ 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 VIA8233_MP_BASE 0x40 164 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */ 165 #define VIA8233_OFF_MP_FORMAT 0x02 166 #define VIA8233_MP_FORMAT_8BIT 0x00 167 #define VIA8233_MP_FORMAT_16BIT 0x80 168 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */ 169 #define VIA8233_OFF_MP_SCRATCH 0x03 170 #define VIA8233_OFF_MP_STOP 0x08 171 172 #define AUVIA_CODEC_CTL 0x80 173 #define AUVIA_CODEC_READ 0x00800000 174 #define AUVIA_CODEC_BUSY 0x01000000 175 #define AUVIA_CODEC_PRIVALID 0x02000000 176 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 177 178 #define CH_WRITE1(sc, ch, off, v) \ 179 bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 180 #define CH_WRITE4(sc, ch, off, v) \ 181 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 182 #define CH_READ1(sc, ch, off) \ 183 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 184 #define CH_READ4(sc, ch, off) \ 185 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 186 187 #define TIMEOUT 50 188 189 struct audio_hw_if auvia_hw_if = { 190 auvia_open, 191 auvia_close, 192 NULL, /* drain */ 193 auvia_query_encoding, 194 auvia_set_params, 195 auvia_round_blocksize, 196 NULL, /* commit_settings */ 197 NULL, /* init_output */ 198 NULL, /* init_input */ 199 NULL, /* start_output */ 200 NULL, /* start_input */ 201 auvia_halt_output, 202 auvia_halt_input, 203 NULL, /* speaker_ctl */ 204 auvia_getdev, 205 NULL, /* setfd */ 206 auvia_set_port, 207 auvia_get_port, 208 auvia_query_devinfo, 209 auvia_malloc, 210 auvia_free, 211 auvia_round_buffersize, 212 auvia_mappage, 213 auvia_get_props, 214 auvia_trigger_output, 215 auvia_trigger_input, 216 NULL, /* dev_ioctl */ 217 }; 218 219 int auvia_attach_codec(void *, struct ac97_codec_if *); 220 int auvia_write_codec(void *, u_int8_t, u_int16_t); 221 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 222 void auvia_reset_codec(void *); 223 int auvia_waitready_codec(struct auvia_softc *sc); 224 int auvia_waitvalid_codec(struct auvia_softc *sc); 225 226 227 int 228 auvia_match(struct device *parent, struct cfdata *match, void *aux) 229 { 230 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 231 232 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 233 return 0; 234 switch (PCI_PRODUCT(pa->pa_id)) { 235 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 236 case PCI_PRODUCT_VIATECH_VT8233_AC97: 237 break; 238 default: 239 return 0; 240 } 241 242 return 1; 243 } 244 245 246 void 247 auvia_attach(struct device *parent, struct device *self, void *aux) 248 { 249 struct pci_attach_args *pa = aux; 250 struct auvia_softc *sc = (struct auvia_softc *) self; 251 const char *intrstr = NULL; 252 pci_chipset_tag_t pc = pa->pa_pc; 253 pcitag_t pt = pa->pa_tag; 254 pci_intr_handle_t ih; 255 bus_size_t iosize; 256 pcireg_t pr; 257 int r; 258 259 aprint_naive(": Audio controller\n"); 260 261 sc->sc_play.sc_base = AUVIA_PLAY_BASE; 262 sc->sc_record.sc_base = AUVIA_RECORD_BASE; 263 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) { 264 sc->sc_flags |= AUVIA_FLAGS_VT8233; 265 sc->sc_play.sc_base = VIA8233_MP_BASE; 266 } 267 268 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 269 &sc->sc_ioh, NULL, &iosize)) { 270 aprint_error(": can't map i/o space\n"); 271 return; 272 } 273 274 sc->sc_dmat = pa->pa_dmat; 275 sc->sc_pc = pc; 276 sc->sc_pt = pt; 277 278 r = PCI_REVISION(pa->pa_class); 279 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 280 sprintf(sc->sc_revision, "0x%02X", r); 281 if (r < 0x50) { 282 aprint_normal(": VIA VT8233 AC'97 Audio (rev %s)\n", 283 sc->sc_revision); 284 } else { 285 aprint_normal(": VIA VT8235 AC'97 Audio (rev %s)\n", 286 sc->sc_revision); 287 } 288 } else { 289 sc->sc_revision[1] = '\0'; 290 if (r == 0x20) { 291 sc->sc_revision[0] = 'H'; 292 } else if ((r >= 0x10) && (r <= 0x14)) { 293 sc->sc_revision[0] = 'A' + (r - 0x10); 294 } else { 295 sprintf(sc->sc_revision, "0x%02X", r); 296 } 297 298 aprint_normal(": VIA VT82C686A AC'97 Audio (rev %s)\n", 299 sc->sc_revision); 300 } 301 302 if (pci_intr_map(pa, &ih)) { 303 aprint_error(": couldn't map interrupt\n"); 304 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 305 return; 306 } 307 intrstr = pci_intr_string(pc, ih); 308 309 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 310 if (sc->sc_ih == NULL) { 311 aprint_error("%s: couldn't establish interrupt", 312 sc->sc_dev.dv_xname); 313 if (intrstr != NULL) 314 aprint_normal(" at %s", intrstr); 315 aprint_normal("\n"); 316 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 317 return; 318 } 319 320 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 321 322 /* disable SBPro compat & others */ 323 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 324 325 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 326 /* XXX what to do about MIDI, FM, joystick? */ 327 328 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 329 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 330 331 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 332 333 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 334 335 sc->host_if.arg = sc; 336 sc->host_if.attach = auvia_attach_codec; 337 sc->host_if.read = auvia_read_codec; 338 sc->host_if.write = auvia_write_codec; 339 sc->host_if.reset = auvia_reset_codec; 340 341 if ((r = ac97_attach(&sc->host_if)) != 0) { 342 aprint_error("%s: can't attach codec (error 0x%X)\n", 343 sc->sc_dev.dv_xname, r); 344 pci_intr_disestablish(pc, sc->sc_ih); 345 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 346 return; 347 } 348 349 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 350 } 351 352 353 int 354 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 355 { 356 struct auvia_softc *sc = addr; 357 358 sc->codec_if = cif; 359 360 return 0; 361 } 362 363 364 void 365 auvia_reset_codec(void *addr) 366 { 367 #ifdef notyet /* XXX seems to make codec become unready... ??? */ 368 struct auvia_softc *sc = addr; 369 pcireg_t r; 370 371 /* perform a codec cold reset */ 372 373 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 374 375 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 376 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 377 delay(2); 378 379 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 380 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 381 delay(200); 382 383 auvia_waitready_codec(sc); 384 #endif 385 } 386 387 388 int 389 auvia_waitready_codec(struct auvia_softc *sc) 390 { 391 int i; 392 393 /* poll until codec not busy */ 394 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 395 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 396 delay(1); 397 if (i >= TIMEOUT) { 398 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 399 return 1; 400 } 401 402 return 0; 403 } 404 405 406 int 407 auvia_waitvalid_codec(struct auvia_softc *sc) 408 { 409 int i; 410 411 /* poll until codec valid */ 412 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 413 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 414 delay(1); 415 if (i >= TIMEOUT) { 416 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 417 return 1; 418 } 419 420 return 0; 421 } 422 423 424 int 425 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 426 { 427 struct auvia_softc *sc = addr; 428 429 if (auvia_waitready_codec(sc)) 430 return 1; 431 432 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 433 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 434 435 return 0; 436 } 437 438 439 int 440 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 441 { 442 struct auvia_softc *sc = addr; 443 444 if (auvia_waitready_codec(sc)) 445 return 1; 446 447 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 448 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 449 450 if (auvia_waitready_codec(sc)) 451 return 1; 452 453 if (auvia_waitvalid_codec(sc)) 454 return 1; 455 456 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 457 458 return 0; 459 } 460 461 462 int 463 auvia_open(void *addr, int flags) 464 { 465 return 0; 466 } 467 468 469 void 470 auvia_close(void *addr) 471 { 472 struct auvia_softc *sc = addr; 473 474 auvia_halt_output(sc); 475 auvia_halt_input(sc); 476 477 sc->sc_play.sc_intr = NULL; 478 sc->sc_record.sc_intr = NULL; 479 } 480 481 482 int 483 auvia_query_encoding(void *addr, struct audio_encoding *fp) 484 { 485 switch (fp->index) { 486 case 0: 487 strcpy(fp->name, AudioEulinear); 488 fp->encoding = AUDIO_ENCODING_ULINEAR; 489 fp->precision = 8; 490 fp->flags = 0; 491 return (0); 492 case 1: 493 strcpy(fp->name, AudioEmulaw); 494 fp->encoding = AUDIO_ENCODING_ULAW; 495 fp->precision = 8; 496 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 497 return (0); 498 case 2: 499 strcpy(fp->name, AudioEalaw); 500 fp->encoding = AUDIO_ENCODING_ALAW; 501 fp->precision = 8; 502 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 503 return (0); 504 case 3: 505 strcpy(fp->name, AudioEslinear); 506 fp->encoding = AUDIO_ENCODING_SLINEAR; 507 fp->precision = 8; 508 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 509 return (0); 510 case 4: 511 strcpy(fp->name, AudioEslinear_le); 512 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 513 fp->precision = 16; 514 fp->flags = 0; 515 return (0); 516 case 5: 517 strcpy(fp->name, AudioEulinear_le); 518 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 519 fp->precision = 16; 520 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 521 return (0); 522 case 6: 523 strcpy(fp->name, AudioEslinear_be); 524 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 525 fp->precision = 16; 526 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 527 return (0); 528 case 7: 529 strcpy(fp->name, AudioEulinear_be); 530 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 531 fp->precision = 16; 532 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 533 return (0); 534 default: 535 return (EINVAL); 536 } 537 } 538 539 void 540 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, 541 struct audio_params *p) 542 { 543 u_int32_t v; 544 u_int16_t regval; 545 546 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) { 547 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 548 | (p->precision * p->factor == 16 ? 549 AUVIA_RPMODE_16BIT : 0) 550 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 551 | AUVIA_RPMODE_AUTOSTART; 552 ch->sc_reg = regval; 553 } else if (ch->sc_base != VIA8233_MP_BASE) { 554 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT); 555 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO 556 | VIA8233_RATEFMT_16BIT); 557 558 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) 559 / (48000 / 20); 560 if (p->channels == 2) 561 v |= VIA8233_RATEFMT_STEREO; 562 if (p->precision == 16) 563 v |= VIA8233_RATEFMT_16BIT; 564 565 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v); 566 } else { 567 static const u_int32_t slottab[7] = 568 { 0, 0xff000011, 0xff000021, 0, 569 0xff004321, 0, 0xff436521}; 570 571 regval = (p->hw_precision == 16 572 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT) 573 | (p->hw_channels << 4); 574 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval); 575 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->hw_channels]); 576 } 577 } 578 579 int 580 auvia_set_params(void *addr, int setmode, int usemode, 581 struct audio_params *play, struct audio_params *rec) 582 { 583 struct auvia_softc *sc = addr; 584 struct auvia_softc_chan *ch; 585 struct audio_params *p; 586 struct ac97_codec_if* codec; 587 int reg, mode; 588 u_int16_t ext_id; 589 590 codec = sc->codec_if; 591 /* for mode in (RECORD, PLAY) */ 592 for (mode = AUMODE_RECORD; mode != -1; 593 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 594 if ((setmode & mode) == 0) 595 continue; 596 597 if (mode == AUMODE_PLAY ) { 598 p = play; 599 ch = &sc->sc_play; 600 reg = AC97_REG_PCM_FRONT_DAC_RATE; 601 } else { 602 p = rec; 603 ch = &sc->sc_record; 604 reg = AC97_REG_PCM_LR_ADC_RATE; 605 } 606 607 if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) { 608 ext_id = codec->vtbl->get_extcaps(codec); 609 if (p->channels == 1) { 610 /* ok */ 611 } else if (p->channels == 2) { 612 /* ok */ 613 } else if (p->channels == 4 614 && ext_id & AC97_EXT_AUDIO_SDAC) { 615 /* ok */ 616 #define BITS_6CH (AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_LDAC) 617 } else if (p->channels == 6 618 && (ext_id & BITS_6CH) == BITS_6CH) { 619 /* ok */ 620 } else { 621 return (EINVAL); 622 } 623 } else { 624 if (p->channels != 1 && p->channels != 2) 625 return (EINVAL); 626 } 627 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 628 (p->precision != 8 && p->precision != 16)) 629 return (EINVAL); 630 631 if (IS_FIXED_RATE(codec)) { 632 /* Enable aurateconv */ 633 p->hw_sample_rate = AC97_SINGLE_RATE; 634 } else { 635 if (codec->vtbl->set_rate(codec, reg, &p->sample_rate)) 636 return (EINVAL); 637 reg = AC97_REG_PCM_SURR_DAC_RATE; 638 if (p->channels >= 4 639 && codec->vtbl->set_rate(codec, reg, 640 &p->sample_rate)) 641 return (EINVAL); 642 reg = AC97_REG_PCM_LFE_DAC_RATE; 643 if (p->channels == 6 644 && codec->vtbl->set_rate(codec, reg, 645 &p->sample_rate)) 646 return (EINVAL); 647 } 648 649 p->factor = 1; 650 p->sw_code = 0; 651 switch (p->encoding) { 652 case AUDIO_ENCODING_SLINEAR_BE: 653 if (p->precision == 16) { 654 p->sw_code = swap_bytes; 655 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 656 } else { 657 p->sw_code = change_sign8; 658 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 659 } 660 break; 661 case AUDIO_ENCODING_SLINEAR_LE: 662 if (p->precision != 16) { 663 p->sw_code = change_sign8; 664 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 665 } 666 break; 667 case AUDIO_ENCODING_ULINEAR_BE: 668 if (p->precision == 16) { 669 if (mode == AUMODE_PLAY) 670 p->sw_code = swap_bytes_change_sign16_le; 671 else 672 p->sw_code = change_sign16_swap_bytes_le; 673 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 674 } 675 break; 676 case AUDIO_ENCODING_ULINEAR_LE: 677 if (p->precision == 16) { 678 p->sw_code = change_sign16_le; 679 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 680 } 681 break; 682 case AUDIO_ENCODING_ULAW: 683 if (p->precision != 8) 684 return (EINVAL); 685 if (mode == AUMODE_PLAY) { 686 p->factor = 2; 687 p->sw_code = mulaw_to_slinear16_le; 688 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 689 p->hw_precision = 16; 690 } else if (!IS_FIXED_RATE(codec)) { 691 p->sw_code = ulinear8_to_mulaw; 692 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 693 } else { 694 /* aurateconv supports no 8 bit PCM */ 695 p->factor = 2; 696 p->sw_code = slinear16_to_mulaw_le; 697 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 698 p->hw_precision = 16; 699 } 700 break; 701 case AUDIO_ENCODING_ALAW: 702 if (p->precision != 8) 703 return (EINVAL); 704 if (mode == AUMODE_PLAY) { 705 p->factor = 2; 706 p->sw_code = alaw_to_slinear16_le; 707 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 708 p->hw_precision = 16; 709 } else if (!IS_FIXED_RATE(codec)) { 710 p->sw_code = ulinear8_to_alaw; 711 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 712 } else { 713 /* aurateconv supports no 8 bit PCM */ 714 p->factor = 2; 715 p->sw_code = slinear16_to_alaw_le; 716 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 717 p->hw_precision = 16; 718 } 719 break; 720 default: 721 return (EINVAL); 722 } 723 auvia_set_params_sub(sc, ch, p); 724 } 725 726 return 0; 727 } 728 729 730 int 731 auvia_round_blocksize(void *addr, int blk) 732 { 733 return (blk & -32); 734 } 735 736 737 int 738 auvia_halt_output(void *addr) 739 { 740 struct auvia_softc *sc = addr; 741 struct auvia_softc_chan *ch = &(sc->sc_play); 742 743 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 744 return 0; 745 } 746 747 748 int 749 auvia_halt_input(void *addr) 750 { 751 struct auvia_softc *sc = addr; 752 struct auvia_softc_chan *ch = &(sc->sc_record); 753 754 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 755 return 0; 756 } 757 758 759 int 760 auvia_getdev(void *addr, struct audio_device *retp) 761 { 762 struct auvia_softc *sc = addr; 763 764 if (retp) { 765 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 766 strncpy(retp->name, "VIA VT8233/8235", 767 sizeof(retp->name)); 768 } else { 769 strncpy(retp->name, "VIA VT82C686A", 770 sizeof(retp->name)); 771 } 772 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 773 strncpy(retp->config, "auvia", sizeof(retp->config)); 774 } 775 776 return 0; 777 } 778 779 780 int 781 auvia_set_port(void *addr, mixer_ctrl_t *cp) 782 { 783 struct auvia_softc *sc = addr; 784 785 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 786 } 787 788 789 int 790 auvia_get_port(void *addr, mixer_ctrl_t *cp) 791 { 792 struct auvia_softc *sc = addr; 793 794 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 795 } 796 797 798 int 799 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 800 { 801 struct auvia_softc *sc = addr; 802 803 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 804 } 805 806 807 void * 808 auvia_malloc(void *addr, int direction, size_t size, int pool, int flags) 809 { 810 struct auvia_softc *sc = addr; 811 struct auvia_dma *p; 812 int error; 813 int rseg; 814 815 p = malloc(sizeof(*p), pool, flags); 816 if (!p) 817 return 0; 818 819 p->size = size; 820 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 821 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 822 printf("%s: unable to allocate dma, error = %d\n", 823 sc->sc_dev.dv_xname, error); 824 goto fail_alloc; 825 } 826 827 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 828 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 829 printf("%s: unable to map dma, error = %d\n", 830 sc->sc_dev.dv_xname, error); 831 goto fail_map; 832 } 833 834 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 835 BUS_DMA_NOWAIT, &p->map)) != 0) { 836 printf("%s: unable to create dma map, error = %d\n", 837 sc->sc_dev.dv_xname, error); 838 goto fail_create; 839 } 840 841 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 842 BUS_DMA_NOWAIT)) != 0) { 843 printf("%s: unable to load dma map, error = %d\n", 844 sc->sc_dev.dv_xname, error); 845 goto fail_load; 846 } 847 848 p->next = sc->sc_dmas; 849 sc->sc_dmas = p; 850 851 return p->addr; 852 853 854 fail_load: 855 bus_dmamap_destroy(sc->sc_dmat, p->map); 856 fail_create: 857 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 858 fail_map: 859 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 860 fail_alloc: 861 free(p, pool); 862 return 0; 863 } 864 865 866 void 867 auvia_free(void *addr, void *ptr, int pool) 868 { 869 struct auvia_softc *sc = addr; 870 struct auvia_dma **pp, *p; 871 872 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 873 if (p->addr == ptr) { 874 bus_dmamap_unload(sc->sc_dmat, p->map); 875 bus_dmamap_destroy(sc->sc_dmat, p->map); 876 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 877 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 878 879 *pp = p->next; 880 free(p, pool); 881 return; 882 } 883 884 panic("auvia_free: trying to free unallocated memory"); 885 } 886 887 888 size_t 889 auvia_round_buffersize(void *addr, int direction, size_t size) 890 { 891 return size; 892 } 893 894 895 paddr_t 896 auvia_mappage(void *addr, void *mem, off_t off, int prot) 897 { 898 struct auvia_softc *sc = addr; 899 struct auvia_dma *p; 900 901 if (off < 0) 902 return -1; 903 904 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 905 ; 906 907 if (!p) 908 return -1; 909 910 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 911 BUS_DMA_WAITOK); 912 } 913 914 915 int 916 auvia_get_props(void *addr) 917 { 918 struct auvia_softc *sc = addr; 919 int props; 920 921 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 922 /* 923 * Even if the codec is fixed-rate, set_param() succeeds for any sample 924 * rate because of aurateconv. Applications can't know what rate the 925 * device can process in the case of mmap(). 926 */ 927 if (!IS_FIXED_RATE(sc->codec_if)) 928 props |= AUDIO_PROP_MMAP; 929 return props; 930 } 931 932 933 int 934 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 935 struct auvia_dma *p, void *start, void *end, int blksize) 936 { 937 struct auvia_dma_op *op; 938 struct auvia_dma *dp; 939 bus_addr_t s, e; 940 size_t l; 941 int segs; 942 943 s = p->map->dm_segs[0].ds_addr; 944 l = ((char *)end - (char *)start); 945 e = s + l; 946 segs = (l + blksize - 1) / blksize; 947 948 if (segs > (ch->sc_dma_op_count)) { 949 /* if old list was too small, free it */ 950 if (ch->sc_dma_ops) { 951 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 952 } 953 954 ch->sc_dma_ops = auvia_malloc(sc, 0, 955 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 956 957 if (ch->sc_dma_ops == NULL) { 958 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 959 return 1; 960 } 961 962 for (dp = sc->sc_dmas; 963 dp && dp->addr != (void *)(ch->sc_dma_ops); 964 dp = dp->next) 965 ; 966 967 if (!dp) 968 panic("%s: build_dma_ops: where'd my memory go??? " 969 "address (%p)\n", sc->sc_dev.dv_xname, 970 ch->sc_dma_ops); 971 972 ch->sc_dma_op_count = segs; 973 ch->sc_dma_ops_dma = dp; 974 } 975 976 dp = ch->sc_dma_ops_dma; 977 op = ch->sc_dma_ops; 978 979 while (l) { 980 op->ptr = s; 981 l = l - blksize; 982 if (!l) { 983 /* if last block */ 984 op->flags = AUVIA_DMAOP_EOL | blksize; 985 } else { 986 op->flags = AUVIA_DMAOP_FLAG | blksize; 987 } 988 s += blksize; 989 op++; 990 } 991 992 return 0; 993 } 994 995 996 int 997 auvia_trigger_output(void *addr, void *start, void *end, 998 int blksize, void (*intr)(void *), void *arg, 999 struct audio_params *param) 1000 { 1001 struct auvia_softc *sc = addr; 1002 struct auvia_softc_chan *ch = &(sc->sc_play); 1003 struct auvia_dma *p; 1004 1005 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1006 ; 1007 1008 if (!p) 1009 panic("auvia_trigger_output: request with bad start " 1010 "address (%p)", start); 1011 1012 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1013 return 1; 1014 } 1015 1016 ch->sc_intr = intr; 1017 ch->sc_arg = arg; 1018 1019 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1020 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1021 1022 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1023 if (ch->sc_base != VIA8233_MP_BASE) { 1024 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1025 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1026 } 1027 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1028 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1029 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1030 } else { 1031 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1032 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1033 } 1034 1035 return 0; 1036 } 1037 1038 1039 int 1040 auvia_trigger_input(void *addr, void *start, void *end, 1041 int blksize, void (*intr)(void *), void *arg, 1042 struct audio_params *param) 1043 { 1044 struct auvia_softc *sc = addr; 1045 struct auvia_softc_chan *ch = &(sc->sc_record); 1046 struct auvia_dma *p; 1047 1048 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1049 ; 1050 1051 if (!p) 1052 panic("auvia_trigger_input: request with bad start " 1053 "address (%p)", start); 1054 1055 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1056 return 1; 1057 } 1058 1059 ch->sc_intr = intr; 1060 ch->sc_arg = arg; 1061 1062 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1063 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1064 1065 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1066 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1067 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1068 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1069 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1070 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1071 } else { 1072 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1073 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1074 } 1075 1076 return 0; 1077 } 1078 1079 1080 int 1081 auvia_intr(void *arg) 1082 { 1083 struct auvia_softc *sc = arg; 1084 struct auvia_softc_chan *ch; 1085 u_int8_t r; 1086 int rval; 1087 1088 rval = 0; 1089 1090 ch = &sc->sc_record; 1091 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1092 if (r & AUVIA_RPSTAT_INTR) { 1093 if (sc->sc_record.sc_intr) 1094 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1095 1096 /* clear interrupts */ 1097 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1098 rval = 1; 1099 } 1100 1101 ch = &sc->sc_play; 1102 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1103 if (r & AUVIA_RPSTAT_INTR) { 1104 if (sc->sc_play.sc_intr) 1105 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1106 1107 /* clear interrupts */ 1108 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1109 rval = 1; 1110 } 1111 1112 return rval; 1113 } 1114
Indexes created Mon Sep 29 21:09:56 GMT 2025