auvia.c revision 1.37
1 /* $NetBSD: auvia.c,v 1.37 2004/03/31 21:10:04 jmcneill 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 1.37 2004/03/31 21:10:04 jmcneill 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, struct malloc_type *, int); 106 void auvia_free(void *, void *, struct malloc_type *); 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 /* VIA VT823xx revision number */ 123 #define VIA_REV_8233C 0x20 124 #define VIA_REV_8233 0x30 125 #define VIA_REV_8233A 0x40 126 #define VIA_REV_8235 0x50 127 128 #define AUVIA_PCICONF_JUNK 0x40 129 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 130 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 131 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 132 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 133 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 134 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 135 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 136 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 137 #define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */ 138 139 #define AUVIA_PLAY_BASE 0x00 140 #define AUVIA_RECORD_BASE 0x10 141 142 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */ 143 #define AUVIA_RP_STAT 0x00 144 #define AUVIA_RPSTAT_INTR 0x03 145 #define AUVIA_RP_CONTROL 0x01 146 #define AUVIA_RPCTRL_START 0x80 147 #define AUVIA_RPCTRL_TERMINATE 0x40 148 #define AUVIA_RPCTRL_AUTOSTART 0x20 149 /* The following are 8233 specific */ 150 #define AUVIA_RPCTRL_STOP 0x04 151 #define AUVIA_RPCTRL_EOL 0x02 152 #define AUVIA_RPCTRL_FLAG 0x01 153 #define AUVIA_RP_MODE 0x02 /* 82c686 specific */ 154 #define AUVIA_RPMODE_INTR_FLAG 0x01 155 #define AUVIA_RPMODE_INTR_EOL 0x02 156 #define AUVIA_RPMODE_STEREO 0x10 157 #define AUVIA_RPMODE_16BIT 0x20 158 #define AUVIA_RPMODE_AUTOSTART 0x80 159 #define AUVIA_RP_DMAOPS_BASE 0x04 160 161 #define VIA8233_RP_DXS_LVOL 0x02 162 #define VIA8233_RP_DXS_RVOL 0x03 163 #define VIA8233_RP_RATEFMT 0x08 164 #define VIA8233_RATEFMT_48K 0xfffff 165 #define VIA8233_RATEFMT_STEREO 0x00100000 166 #define VIA8233_RATEFMT_16BIT 0x00200000 167 168 #define VIA_RP_DMAOPS_COUNT 0x0c 169 170 #define VIA8233_MP_BASE 0x40 171 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */ 172 #define VIA8233_OFF_MP_FORMAT 0x02 173 #define VIA8233_MP_FORMAT_8BIT 0x00 174 #define VIA8233_MP_FORMAT_16BIT 0x80 175 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */ 176 #define VIA8233_OFF_MP_SCRATCH 0x03 177 #define VIA8233_OFF_MP_STOP 0x08 178 179 #define AUVIA_CODEC_CTL 0x80 180 #define AUVIA_CODEC_READ 0x00800000 181 #define AUVIA_CODEC_BUSY 0x01000000 182 #define AUVIA_CODEC_PRIVALID 0x02000000 183 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 184 185 #define CH_WRITE1(sc, ch, off, v) \ 186 bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 187 #define CH_WRITE4(sc, ch, off, v) \ 188 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 189 #define CH_READ1(sc, ch, off) \ 190 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 191 #define CH_READ4(sc, ch, off) \ 192 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 193 194 #define TIMEOUT 50 195 196 struct audio_hw_if auvia_hw_if = { 197 auvia_open, 198 auvia_close, 199 NULL, /* drain */ 200 auvia_query_encoding, 201 auvia_set_params, 202 auvia_round_blocksize, 203 NULL, /* commit_settings */ 204 NULL, /* init_output */ 205 NULL, /* init_input */ 206 NULL, /* start_output */ 207 NULL, /* start_input */ 208 auvia_halt_output, 209 auvia_halt_input, 210 NULL, /* speaker_ctl */ 211 auvia_getdev, 212 NULL, /* setfd */ 213 auvia_set_port, 214 auvia_get_port, 215 auvia_query_devinfo, 216 auvia_malloc, 217 auvia_free, 218 auvia_round_buffersize, 219 auvia_mappage, 220 auvia_get_props, 221 auvia_trigger_output, 222 auvia_trigger_input, 223 NULL, /* dev_ioctl */ 224 }; 225 226 int auvia_attach_codec(void *, struct ac97_codec_if *); 227 int auvia_write_codec(void *, u_int8_t, u_int16_t); 228 int auvia_read_codec(void *, u_int8_t, u_int16_t *); 229 void auvia_reset_codec(void *); 230 int auvia_waitready_codec(struct auvia_softc *sc); 231 int auvia_waitvalid_codec(struct auvia_softc *sc); 232 233 234 int 235 auvia_match(struct device *parent, struct cfdata *match, void *aux) 236 { 237 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 238 239 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 240 return 0; 241 switch (PCI_PRODUCT(pa->pa_id)) { 242 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 243 case PCI_PRODUCT_VIATECH_VT8233_AC97: 244 break; 245 default: 246 return 0; 247 } 248 249 return 1; 250 } 251 252 253 void 254 auvia_attach(struct device *parent, struct device *self, void *aux) 255 { 256 struct pci_attach_args *pa = aux; 257 struct auvia_softc *sc = (struct auvia_softc *) self; 258 const char *intrstr = NULL; 259 pci_chipset_tag_t pc = pa->pa_pc; 260 pcitag_t pt = pa->pa_tag; 261 pci_intr_handle_t ih; 262 bus_size_t iosize; 263 pcireg_t pr; 264 int r; 265 const char *revnum = NULL; /* VT823xx revision number */ 266 267 aprint_naive(": Audio controller\n"); 268 269 sc->sc_play.sc_base = AUVIA_PLAY_BASE; 270 sc->sc_record.sc_base = AUVIA_RECORD_BASE; 271 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) { 272 sc->sc_flags |= AUVIA_FLAGS_VT8233; 273 sc->sc_play.sc_base = VIA8233_MP_BASE; 274 } 275 276 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 277 &sc->sc_ioh, NULL, &iosize)) { 278 aprint_error(": can't map i/o space\n"); 279 return; 280 } 281 282 sc->sc_dmat = pa->pa_dmat; 283 sc->sc_pc = pc; 284 sc->sc_pt = pt; 285 286 r = PCI_REVISION(pa->pa_class); 287 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 288 sprintf(sc->sc_revision, "0x%02X", r); 289 switch(r) { 290 case VIA_REV_8233C: 291 /* 2 rec, 4 pb, 1 multi-pb */ 292 revnum = "3C"; 293 break; 294 case VIA_REV_8233: 295 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 296 revnum = "3"; 297 break; 298 case VIA_REV_8233A: 299 /* 1 rec, 1 multi-pb, spdif */ 300 revnum = "3A"; 301 break; 302 default: 303 break; 304 } 305 if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */ 306 revnum = "5"; 307 aprint_normal(": VIA VT823%s AC'97 (rev %s)\n", 308 revnum, sc->sc_revision); 309 } else { 310 sc->sc_revision[1] = '\0'; 311 if (r == 0x20) { 312 sc->sc_revision[0] = 'H'; 313 } else if ((r >= 0x10) && (r <= 0x14)) { 314 sc->sc_revision[0] = 'A' + (r - 0x10); 315 } else { 316 sprintf(sc->sc_revision, "0x%02X", r); 317 } 318 319 aprint_normal(": VIA VT82C686A AC'97 Audio (rev %s)\n", 320 sc->sc_revision); 321 } 322 323 if (pci_intr_map(pa, &ih)) { 324 aprint_error(": couldn't map interrupt\n"); 325 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 326 return; 327 } 328 intrstr = pci_intr_string(pc, ih); 329 330 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 331 if (sc->sc_ih == NULL) { 332 aprint_error("%s: couldn't establish interrupt", 333 sc->sc_dev.dv_xname); 334 if (intrstr != NULL) 335 aprint_normal(" at %s", intrstr); 336 aprint_normal("\n"); 337 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 338 return; 339 } 340 341 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 342 343 /* disable SBPro compat & others */ 344 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 345 346 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 347 /* XXX what to do about MIDI, FM, joystick? */ 348 349 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 350 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 351 352 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 353 354 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 355 356 sc->host_if.arg = sc; 357 sc->host_if.attach = auvia_attach_codec; 358 sc->host_if.read = auvia_read_codec; 359 sc->host_if.write = auvia_write_codec; 360 sc->host_if.reset = auvia_reset_codec; 361 362 if ((r = ac97_attach(&sc->host_if)) != 0) { 363 aprint_error("%s: can't attach codec (error 0x%X)\n", 364 sc->sc_dev.dv_xname, r); 365 pci_intr_disestablish(pc, sc->sc_ih); 366 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 367 return; 368 } 369 370 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 371 } 372 373 374 int 375 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 376 { 377 struct auvia_softc *sc = addr; 378 379 sc->codec_if = cif; 380 381 return 0; 382 } 383 384 385 void 386 auvia_reset_codec(void *addr) 387 { 388 int i; 389 struct auvia_softc *sc = addr; 390 pcireg_t r; 391 392 /* perform a codec cold reset */ 393 394 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 395 396 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 397 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 398 delay(2); 399 400 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 401 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 402 delay(200); 403 404 for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt, 405 AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--) 406 DELAY(1); 407 if (i == 0) 408 printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname); 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 void 564 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, 565 struct audio_params *p) 566 { 567 u_int32_t v; 568 u_int16_t regval; 569 570 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) { 571 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 572 | (p->precision * p->factor == 16 ? 573 AUVIA_RPMODE_16BIT : 0) 574 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 575 | AUVIA_RPMODE_AUTOSTART; 576 ch->sc_reg = regval; 577 } else if (ch->sc_base != VIA8233_MP_BASE) { 578 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT); 579 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO 580 | VIA8233_RATEFMT_16BIT); 581 582 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) 583 / (48000 / 20); 584 if (p->channels == 2) 585 v |= VIA8233_RATEFMT_STEREO; 586 if (p->precision == 16) 587 v |= VIA8233_RATEFMT_16BIT; 588 589 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v); 590 } else { 591 static const u_int32_t slottab[7] = 592 { 0, 0xff000011, 0xff000021, 0, 593 0xff004321, 0, 0xff436521}; 594 595 regval = (p->hw_precision == 16 596 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT) 597 | (p->hw_channels << 4); 598 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval); 599 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->hw_channels]); 600 } 601 } 602 603 int 604 auvia_set_params(void *addr, int setmode, int usemode, 605 struct audio_params *play, struct audio_params *rec) 606 { 607 struct auvia_softc *sc = addr; 608 struct auvia_softc_chan *ch; 609 struct audio_params *p; 610 struct ac97_codec_if* codec; 611 int reg, mode; 612 u_int16_t ext_id; 613 614 codec = sc->codec_if; 615 /* for mode in (RECORD, PLAY) */ 616 for (mode = AUMODE_RECORD; mode != -1; 617 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 618 if ((setmode & mode) == 0) 619 continue; 620 621 if (mode == AUMODE_PLAY ) { 622 p = play; 623 ch = &sc->sc_play; 624 reg = AC97_REG_PCM_FRONT_DAC_RATE; 625 } else { 626 p = rec; 627 ch = &sc->sc_record; 628 reg = AC97_REG_PCM_LR_ADC_RATE; 629 } 630 631 if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) { 632 ext_id = codec->vtbl->get_extcaps(codec); 633 if (p->channels == 1) { 634 /* ok */ 635 } else if (p->channels == 2) { 636 /* ok */ 637 } else if (p->channels == 4 638 && ext_id & AC97_EXT_AUDIO_SDAC) { 639 /* ok */ 640 #define BITS_6CH (AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_LDAC) 641 } else if (p->channels == 6 642 && (ext_id & BITS_6CH) == BITS_6CH) { 643 /* ok */ 644 } else { 645 return (EINVAL); 646 } 647 } else { 648 if (p->channels != 1 && p->channels != 2) 649 return (EINVAL); 650 } 651 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 652 (p->precision != 8 && p->precision != 16)) 653 return (EINVAL); 654 655 if (IS_FIXED_RATE(codec)) { 656 /* Enable aurateconv */ 657 p->hw_sample_rate = AC97_SINGLE_RATE; 658 } else { 659 if (codec->vtbl->set_rate(codec, reg, &p->sample_rate)) 660 return (EINVAL); 661 reg = AC97_REG_PCM_SURR_DAC_RATE; 662 if (p->channels >= 4 663 && codec->vtbl->set_rate(codec, reg, 664 &p->sample_rate)) 665 return (EINVAL); 666 reg = AC97_REG_PCM_LFE_DAC_RATE; 667 if (p->channels == 6 668 && codec->vtbl->set_rate(codec, reg, 669 &p->sample_rate)) 670 return (EINVAL); 671 } 672 673 p->factor = 1; 674 p->sw_code = 0; 675 switch (p->encoding) { 676 case AUDIO_ENCODING_SLINEAR_BE: 677 if (p->precision == 16) { 678 p->sw_code = swap_bytes; 679 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 680 } else { 681 p->sw_code = change_sign8; 682 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 683 } 684 break; 685 case AUDIO_ENCODING_SLINEAR_LE: 686 if (p->precision != 16) { 687 p->sw_code = change_sign8; 688 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 689 } 690 break; 691 case AUDIO_ENCODING_ULINEAR_BE: 692 if (p->precision == 16) { 693 if (mode == AUMODE_PLAY) 694 p->sw_code = swap_bytes_change_sign16_le; 695 else 696 p->sw_code = change_sign16_swap_bytes_le; 697 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 698 } 699 break; 700 case AUDIO_ENCODING_ULINEAR_LE: 701 if (p->precision == 16) { 702 p->sw_code = change_sign16_le; 703 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 704 } 705 break; 706 case AUDIO_ENCODING_ULAW: 707 if (p->precision != 8) 708 return (EINVAL); 709 if (mode == AUMODE_PLAY) { 710 p->factor = 2; 711 p->sw_code = mulaw_to_slinear16_le; 712 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 713 p->hw_precision = 16; 714 } else if (!IS_FIXED_RATE(codec)) { 715 p->sw_code = ulinear8_to_mulaw; 716 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 717 } else { 718 /* aurateconv supports no 8 bit PCM */ 719 p->factor = 2; 720 p->sw_code = slinear16_to_mulaw_le; 721 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 722 p->hw_precision = 16; 723 } 724 break; 725 case AUDIO_ENCODING_ALAW: 726 if (p->precision != 8) 727 return (EINVAL); 728 if (mode == AUMODE_PLAY) { 729 p->factor = 2; 730 p->sw_code = alaw_to_slinear16_le; 731 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 732 p->hw_precision = 16; 733 } else if (!IS_FIXED_RATE(codec)) { 734 p->sw_code = ulinear8_to_alaw; 735 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 736 } else { 737 /* aurateconv supports no 8 bit PCM */ 738 p->factor = 2; 739 p->sw_code = slinear16_to_alaw_le; 740 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 741 p->hw_precision = 16; 742 } 743 break; 744 default: 745 return (EINVAL); 746 } 747 auvia_set_params_sub(sc, ch, p); 748 } 749 750 return 0; 751 } 752 753 754 int 755 auvia_round_blocksize(void *addr, int blk) 756 { 757 struct auvia_softc *sc = addr; 758 759 /* XXX VT823x might have the limitation of dma_ops size */ 760 if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288) 761 blk = 288; 762 763 return (blk & -32); 764 } 765 766 767 int 768 auvia_halt_output(void *addr) 769 { 770 struct auvia_softc *sc = addr; 771 struct auvia_softc_chan *ch = &(sc->sc_play); 772 773 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 774 return 0; 775 } 776 777 778 int 779 auvia_halt_input(void *addr) 780 { 781 struct auvia_softc *sc = addr; 782 struct auvia_softc_chan *ch = &(sc->sc_record); 783 784 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 785 return 0; 786 } 787 788 789 int 790 auvia_getdev(void *addr, struct audio_device *retp) 791 { 792 struct auvia_softc *sc = addr; 793 794 if (retp) { 795 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 796 strncpy(retp->name, "VIA VT8233/8235", 797 sizeof(retp->name)); 798 } else { 799 strncpy(retp->name, "VIA VT82C686A", 800 sizeof(retp->name)); 801 } 802 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 803 strncpy(retp->config, "auvia", sizeof(retp->config)); 804 } 805 806 return 0; 807 } 808 809 810 int 811 auvia_set_port(void *addr, mixer_ctrl_t *cp) 812 { 813 struct auvia_softc *sc = addr; 814 815 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 816 } 817 818 819 int 820 auvia_get_port(void *addr, mixer_ctrl_t *cp) 821 { 822 struct auvia_softc *sc = addr; 823 824 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 825 } 826 827 828 int 829 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 830 { 831 struct auvia_softc *sc = addr; 832 833 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 834 } 835 836 837 void * 838 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool, 839 int flags) 840 { 841 struct auvia_softc *sc = addr; 842 struct auvia_dma *p; 843 int error; 844 int rseg; 845 846 p = malloc(sizeof(*p), pool, flags); 847 if (!p) 848 return 0; 849 850 p->size = size; 851 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 852 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 853 printf("%s: unable to allocate DMA, error = %d\n", 854 sc->sc_dev.dv_xname, error); 855 goto fail_alloc; 856 } 857 858 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 859 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 860 printf("%s: unable to map DMA, error = %d\n", 861 sc->sc_dev.dv_xname, error); 862 goto fail_map; 863 } 864 865 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 866 BUS_DMA_NOWAIT, &p->map)) != 0) { 867 printf("%s: unable to create DMA map, error = %d\n", 868 sc->sc_dev.dv_xname, error); 869 goto fail_create; 870 } 871 872 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 873 BUS_DMA_NOWAIT)) != 0) { 874 printf("%s: unable to load DMA map, error = %d\n", 875 sc->sc_dev.dv_xname, error); 876 goto fail_load; 877 } 878 879 p->next = sc->sc_dmas; 880 sc->sc_dmas = p; 881 882 return p->addr; 883 884 885 fail_load: 886 bus_dmamap_destroy(sc->sc_dmat, p->map); 887 fail_create: 888 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 889 fail_map: 890 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 891 fail_alloc: 892 free(p, pool); 893 return 0; 894 } 895 896 897 void 898 auvia_free(void *addr, void *ptr, struct malloc_type *pool) 899 { 900 struct auvia_softc *sc = addr; 901 struct auvia_dma **pp, *p; 902 903 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 904 if (p->addr == ptr) { 905 bus_dmamap_unload(sc->sc_dmat, p->map); 906 bus_dmamap_destroy(sc->sc_dmat, p->map); 907 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 908 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 909 910 *pp = p->next; 911 free(p, pool); 912 return; 913 } 914 915 panic("auvia_free: trying to free unallocated memory"); 916 } 917 918 919 size_t 920 auvia_round_buffersize(void *addr, int direction, size_t size) 921 { 922 return size; 923 } 924 925 926 paddr_t 927 auvia_mappage(void *addr, void *mem, off_t off, int prot) 928 { 929 struct auvia_softc *sc = addr; 930 struct auvia_dma *p; 931 932 if (off < 0) 933 return -1; 934 935 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 936 ; 937 938 if (!p) 939 return -1; 940 941 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 942 BUS_DMA_WAITOK); 943 } 944 945 946 int 947 auvia_get_props(void *addr) 948 { 949 struct auvia_softc *sc = addr; 950 int props; 951 952 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 953 /* 954 * Even if the codec is fixed-rate, set_param() succeeds for any sample 955 * rate because of aurateconv. Applications can't know what rate the 956 * device can process in the case of mmap(). 957 */ 958 if (!IS_FIXED_RATE(sc->codec_if)) 959 props |= AUDIO_PROP_MMAP; 960 return props; 961 } 962 963 964 int 965 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 966 struct auvia_dma *p, void *start, void *end, int blksize) 967 { 968 struct auvia_dma_op *op; 969 struct auvia_dma *dp; 970 bus_addr_t s; 971 size_t l; 972 int segs; 973 974 s = p->map->dm_segs[0].ds_addr; 975 l = ((char *)end - (char *)start); 976 segs = (l + blksize - 1) / blksize; 977 978 if (segs > (ch->sc_dma_op_count)) { 979 /* if old list was too small, free it */ 980 if (ch->sc_dma_ops) { 981 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 982 } 983 984 ch->sc_dma_ops = auvia_malloc(sc, 0, 985 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 986 987 if (ch->sc_dma_ops == NULL) { 988 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 989 return 1; 990 } 991 992 for (dp = sc->sc_dmas; 993 dp && dp->addr != (void *)(ch->sc_dma_ops); 994 dp = dp->next) 995 ; 996 997 if (!dp) 998 panic("%s: build_dma_ops: where'd my memory go??? " 999 "address (%p)\n", sc->sc_dev.dv_xname, 1000 ch->sc_dma_ops); 1001 1002 ch->sc_dma_op_count = segs; 1003 ch->sc_dma_ops_dma = dp; 1004 } 1005 1006 dp = ch->sc_dma_ops_dma; 1007 op = ch->sc_dma_ops; 1008 1009 while (l) { 1010 op->ptr = s; 1011 l = l - blksize; 1012 if (!l) { 1013 /* if last block */ 1014 op->flags = AUVIA_DMAOP_EOL | blksize; 1015 } else { 1016 op->flags = AUVIA_DMAOP_FLAG | blksize; 1017 } 1018 s += blksize; 1019 op++; 1020 } 1021 1022 return 0; 1023 } 1024 1025 1026 int 1027 auvia_trigger_output(void *addr, void *start, void *end, 1028 int blksize, void (*intr)(void *), void *arg, 1029 struct audio_params *param) 1030 { 1031 struct auvia_softc *sc = addr; 1032 struct auvia_softc_chan *ch = &(sc->sc_play); 1033 struct auvia_dma *p; 1034 1035 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1036 ; 1037 1038 if (!p) 1039 panic("auvia_trigger_output: request with bad start " 1040 "address (%p)", start); 1041 1042 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1043 return 1; 1044 } 1045 1046 ch->sc_intr = intr; 1047 ch->sc_arg = arg; 1048 1049 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1050 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1051 1052 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1053 if (ch->sc_base != VIA8233_MP_BASE) { 1054 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1055 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1056 } 1057 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1058 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1059 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1060 } else { 1061 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1062 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1063 } 1064 1065 return 0; 1066 } 1067 1068 1069 int 1070 auvia_trigger_input(void *addr, void *start, void *end, 1071 int blksize, void (*intr)(void *), void *arg, 1072 struct audio_params *param) 1073 { 1074 struct auvia_softc *sc = addr; 1075 struct auvia_softc_chan *ch = &(sc->sc_record); 1076 struct auvia_dma *p; 1077 1078 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1079 ; 1080 1081 if (!p) 1082 panic("auvia_trigger_input: request with bad start " 1083 "address (%p)", start); 1084 1085 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1086 return 1; 1087 } 1088 1089 ch->sc_intr = intr; 1090 ch->sc_arg = arg; 1091 1092 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1093 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1094 1095 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1096 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1097 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1098 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1099 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1100 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1101 } else { 1102 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1103 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1104 } 1105 1106 return 0; 1107 } 1108 1109 1110 int 1111 auvia_intr(void *arg) 1112 { 1113 struct auvia_softc *sc = arg; 1114 struct auvia_softc_chan *ch; 1115 u_int8_t r; 1116 int rval; 1117 1118 rval = 0; 1119 1120 ch = &sc->sc_record; 1121 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1122 if (r & AUVIA_RPSTAT_INTR) { 1123 if (sc->sc_record.sc_intr) 1124 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1125 1126 /* clear interrupts */ 1127 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1128 rval = 1; 1129 } 1130 1131 ch = &sc->sc_play; 1132 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1133 if (r & AUVIA_RPSTAT_INTR) { 1134 if (sc->sc_play.sc_intr) 1135 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1136 1137 /* clear interrupts */ 1138 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1139 rval = 1; 1140 } 1141 1142 return rval; 1143 } 1144
Indexes created Mon Sep 29 21:09:56 GMT 2025