auvia.c revision 1.41
1 /* $NetBSD: auvia.c,v 1.41 2004/07/09 02:42:45 mycroft 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 1.41 2004/07/09 02:42:45 mycroft 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 snprintf(sc->sc_revision, sizeof(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 Technologies VT823%s AC'97 Audio " 308 "(rev %s)\n", 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 snprintf(sc->sc_revision, sizeof(sc->sc_revision), 317 "0x%02X", r); 318 } 319 320 aprint_normal(": VIA Technologies VT82C686A AC'97 Audio " 321 "(rev %s)\n", sc->sc_revision); 322 } 323 324 if (pci_intr_map(pa, &ih)) { 325 aprint_error(": couldn't map interrupt\n"); 326 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 327 return; 328 } 329 intrstr = pci_intr_string(pc, ih); 330 331 sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc); 332 if (sc->sc_ih == NULL) { 333 aprint_error("%s: couldn't establish interrupt", 334 sc->sc_dev.dv_xname); 335 if (intrstr != NULL) 336 aprint_normal(" at %s", intrstr); 337 aprint_normal("\n"); 338 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 339 return; 340 } 341 342 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 343 344 /* disable SBPro compat & others */ 345 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 346 347 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 348 /* XXX what to do about MIDI, FM, joystick? */ 349 350 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 351 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 352 353 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 354 355 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 356 357 sc->host_if.arg = sc; 358 sc->host_if.attach = auvia_attach_codec; 359 sc->host_if.read = auvia_read_codec; 360 sc->host_if.write = auvia_write_codec; 361 sc->host_if.reset = auvia_reset_codec; 362 363 if ((r = ac97_attach(&sc->host_if)) != 0) { 364 aprint_error("%s: can't attach codec (error 0x%X)\n", 365 sc->sc_dev.dv_xname, r); 366 pci_intr_disestablish(pc, sc->sc_ih); 367 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 368 return; 369 } 370 371 audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev); 372 } 373 374 375 int 376 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 377 { 378 struct auvia_softc *sc = addr; 379 380 sc->codec_if = cif; 381 382 return 0; 383 } 384 385 386 void 387 auvia_reset_codec(void *addr) 388 { 389 int i; 390 struct auvia_softc *sc = addr; 391 pcireg_t r; 392 393 /* perform a codec cold reset */ 394 395 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 396 397 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 398 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 399 delay(2); 400 401 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 402 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 403 delay(200); 404 405 for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt, 406 AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--) 407 DELAY(1); 408 if (i == 0) 409 printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname); 410 } 411 412 413 int 414 auvia_waitready_codec(struct auvia_softc *sc) 415 { 416 int i; 417 418 /* poll until codec not busy */ 419 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 420 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 421 delay(1); 422 if (i >= TIMEOUT) { 423 printf("%s: codec busy\n", sc->sc_dev.dv_xname); 424 return 1; 425 } 426 427 return 0; 428 } 429 430 431 int 432 auvia_waitvalid_codec(struct auvia_softc *sc) 433 { 434 int i; 435 436 /* poll until codec valid */ 437 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 438 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 439 delay(1); 440 if (i >= TIMEOUT) { 441 printf("%s: codec invalid\n", sc->sc_dev.dv_xname); 442 return 1; 443 } 444 445 return 0; 446 } 447 448 449 int 450 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 451 { 452 struct auvia_softc *sc = addr; 453 454 if (auvia_waitready_codec(sc)) 455 return 1; 456 457 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 458 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 459 460 return 0; 461 } 462 463 464 int 465 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 466 { 467 struct auvia_softc *sc = addr; 468 469 if (auvia_waitready_codec(sc)) 470 return 1; 471 472 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 473 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 474 475 if (auvia_waitready_codec(sc)) 476 return 1; 477 478 if (auvia_waitvalid_codec(sc)) 479 return 1; 480 481 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 482 483 return 0; 484 } 485 486 487 int 488 auvia_open(void *addr, int flags) 489 { 490 return 0; 491 } 492 493 494 void 495 auvia_close(void *addr) 496 { 497 } 498 499 500 int 501 auvia_query_encoding(void *addr, struct audio_encoding *fp) 502 { 503 switch (fp->index) { 504 case 0: 505 strcpy(fp->name, AudioEulinear); 506 fp->encoding = AUDIO_ENCODING_ULINEAR; 507 fp->precision = 8; 508 fp->flags = 0; 509 return (0); 510 case 1: 511 strcpy(fp->name, AudioEmulaw); 512 fp->encoding = AUDIO_ENCODING_ULAW; 513 fp->precision = 8; 514 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 515 return (0); 516 case 2: 517 strcpy(fp->name, AudioEalaw); 518 fp->encoding = AUDIO_ENCODING_ALAW; 519 fp->precision = 8; 520 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 521 return (0); 522 case 3: 523 strcpy(fp->name, AudioEslinear); 524 fp->encoding = AUDIO_ENCODING_SLINEAR; 525 fp->precision = 8; 526 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 527 return (0); 528 case 4: 529 strcpy(fp->name, AudioEslinear_le); 530 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 531 fp->precision = 16; 532 fp->flags = 0; 533 return (0); 534 case 5: 535 strcpy(fp->name, AudioEulinear_le); 536 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 537 fp->precision = 16; 538 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 539 return (0); 540 case 6: 541 strcpy(fp->name, AudioEslinear_be); 542 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 543 fp->precision = 16; 544 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 545 return (0); 546 case 7: 547 strcpy(fp->name, AudioEulinear_be); 548 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 549 fp->precision = 16; 550 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 551 return (0); 552 default: 553 return (EINVAL); 554 } 555 } 556 557 void 558 auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, 559 struct audio_params *p) 560 { 561 u_int32_t v; 562 u_int16_t regval; 563 564 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) { 565 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 566 | (p->precision * p->factor == 16 ? 567 AUVIA_RPMODE_16BIT : 0) 568 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 569 | AUVIA_RPMODE_AUTOSTART; 570 ch->sc_reg = regval; 571 } else if (ch->sc_base != VIA8233_MP_BASE) { 572 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT); 573 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO 574 | VIA8233_RATEFMT_16BIT); 575 576 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) 577 / (48000 / 20); 578 if (p->channels == 2) 579 v |= VIA8233_RATEFMT_STEREO; 580 if (p->precision == 16) 581 v |= VIA8233_RATEFMT_16BIT; 582 583 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v); 584 } else { 585 static const u_int32_t slottab[7] = 586 { 0, 0xff000011, 0xff000021, 0, 587 0xff004321, 0, 0xff436521}; 588 589 regval = (p->hw_precision == 16 590 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT) 591 | (p->hw_channels << 4); 592 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval); 593 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->hw_channels]); 594 } 595 } 596 597 int 598 auvia_set_params(void *addr, int setmode, int usemode, 599 struct audio_params *play, struct audio_params *rec) 600 { 601 struct auvia_softc *sc = addr; 602 struct auvia_softc_chan *ch; 603 struct audio_params *p; 604 struct ac97_codec_if* codec; 605 int reg, mode; 606 u_int16_t ext_id; 607 608 codec = sc->codec_if; 609 /* for mode in (RECORD, PLAY) */ 610 for (mode = AUMODE_RECORD; mode != -1; 611 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 612 if ((setmode & mode) == 0) 613 continue; 614 615 if (mode == AUMODE_PLAY ) { 616 p = play; 617 ch = &sc->sc_play; 618 reg = AC97_REG_PCM_FRONT_DAC_RATE; 619 } else { 620 p = rec; 621 ch = &sc->sc_record; 622 reg = AC97_REG_PCM_LR_ADC_RATE; 623 } 624 625 if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) { 626 ext_id = codec->vtbl->get_extcaps(codec); 627 if (p->channels == 1) { 628 /* ok */ 629 } else if (p->channels == 2) { 630 /* ok */ 631 } else if (p->channels == 4 632 && ext_id & AC97_EXT_AUDIO_SDAC) { 633 /* ok */ 634 #define BITS_6CH (AC97_EXT_AUDIO_SDAC | AC97_EXT_AUDIO_CDAC | AC97_EXT_AUDIO_LDAC) 635 } else if (p->channels == 6 636 && (ext_id & BITS_6CH) == BITS_6CH) { 637 /* ok */ 638 } else { 639 return (EINVAL); 640 } 641 } else { 642 if (p->channels != 1 && p->channels != 2) 643 return (EINVAL); 644 } 645 if (p->sample_rate < 4000 || p->sample_rate > 48000 || 646 (p->precision != 8 && p->precision != 16)) 647 return (EINVAL); 648 649 if (IS_FIXED_RATE(codec)) { 650 /* Enable aurateconv */ 651 p->hw_sample_rate = AC97_SINGLE_RATE; 652 } else { 653 if (codec->vtbl->set_rate(codec, reg, &p->sample_rate)) 654 return (EINVAL); 655 reg = AC97_REG_PCM_SURR_DAC_RATE; 656 if (p->channels >= 4 657 && codec->vtbl->set_rate(codec, reg, 658 &p->sample_rate)) 659 return (EINVAL); 660 reg = AC97_REG_PCM_LFE_DAC_RATE; 661 if (p->channels == 6 662 && codec->vtbl->set_rate(codec, reg, 663 &p->sample_rate)) 664 return (EINVAL); 665 } 666 667 p->factor = 1; 668 p->sw_code = 0; 669 switch (p->encoding) { 670 case AUDIO_ENCODING_SLINEAR_BE: 671 if (p->precision == 16) { 672 p->sw_code = swap_bytes; 673 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 674 } else { 675 p->sw_code = change_sign8; 676 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 677 } 678 break; 679 case AUDIO_ENCODING_SLINEAR_LE: 680 if (p->precision != 16) { 681 p->sw_code = change_sign8; 682 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 683 } 684 break; 685 case AUDIO_ENCODING_ULINEAR_BE: 686 if (p->precision == 16) { 687 if (mode == AUMODE_PLAY) 688 p->sw_code = swap_bytes_change_sign16_le; 689 else 690 p->sw_code = change_sign16_swap_bytes_le; 691 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 692 } 693 break; 694 case AUDIO_ENCODING_ULINEAR_LE: 695 if (p->precision == 16) { 696 p->sw_code = change_sign16_le; 697 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 698 } 699 break; 700 case AUDIO_ENCODING_ULAW: 701 if (p->precision != 8) 702 return (EINVAL); 703 if (mode == AUMODE_PLAY) { 704 p->factor = 2; 705 p->sw_code = mulaw_to_slinear16_le; 706 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 707 p->hw_precision = 16; 708 } else if (!IS_FIXED_RATE(codec)) { 709 p->sw_code = ulinear8_to_mulaw; 710 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 711 } else { 712 /* aurateconv supports no 8 bit PCM */ 713 p->factor = 2; 714 p->sw_code = slinear16_to_mulaw_le; 715 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 716 p->hw_precision = 16; 717 } 718 break; 719 case AUDIO_ENCODING_ALAW: 720 if (p->precision != 8) 721 return (EINVAL); 722 if (mode == AUMODE_PLAY) { 723 p->factor = 2; 724 p->sw_code = alaw_to_slinear16_le; 725 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 726 p->hw_precision = 16; 727 } else if (!IS_FIXED_RATE(codec)) { 728 p->sw_code = ulinear8_to_alaw; 729 p->hw_encoding = AUDIO_ENCODING_ULINEAR; 730 } else { 731 /* aurateconv supports no 8 bit PCM */ 732 p->factor = 2; 733 p->sw_code = slinear16_to_alaw_le; 734 p->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 735 p->hw_precision = 16; 736 } 737 break; 738 default: 739 return (EINVAL); 740 } 741 auvia_set_params_sub(sc, ch, p); 742 } 743 744 return 0; 745 } 746 747 748 int 749 auvia_round_blocksize(void *addr, int blk) 750 { 751 struct auvia_softc *sc = addr; 752 753 /* XXX VT823x might have the limitation of dma_ops size */ 754 if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288) 755 blk = 288; 756 757 return (blk & -32); 758 } 759 760 761 int 762 auvia_halt_output(void *addr) 763 { 764 struct auvia_softc *sc = addr; 765 struct auvia_softc_chan *ch = &(sc->sc_play); 766 767 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 768 ch->sc_intr = NULL; 769 return 0; 770 } 771 772 773 int 774 auvia_halt_input(void *addr) 775 { 776 struct auvia_softc *sc = addr; 777 struct auvia_softc_chan *ch = &(sc->sc_record); 778 779 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 780 ch->sc_intr = NULL; 781 return 0; 782 } 783 784 785 int 786 auvia_getdev(void *addr, struct audio_device *retp) 787 { 788 struct auvia_softc *sc = addr; 789 790 if (retp) { 791 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 792 strncpy(retp->name, "VIA VT8233/8235", 793 sizeof(retp->name)); 794 } else { 795 strncpy(retp->name, "VIA VT82C686A", 796 sizeof(retp->name)); 797 } 798 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 799 strncpy(retp->config, "auvia", sizeof(retp->config)); 800 } 801 802 return 0; 803 } 804 805 806 int 807 auvia_set_port(void *addr, mixer_ctrl_t *cp) 808 { 809 struct auvia_softc *sc = addr; 810 811 return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp)); 812 } 813 814 815 int 816 auvia_get_port(void *addr, mixer_ctrl_t *cp) 817 { 818 struct auvia_softc *sc = addr; 819 820 return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp)); 821 } 822 823 824 int 825 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 826 { 827 struct auvia_softc *sc = addr; 828 829 return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip)); 830 } 831 832 833 void * 834 auvia_malloc(void *addr, int direction, size_t size, struct malloc_type * pool, 835 int flags) 836 { 837 struct auvia_softc *sc = addr; 838 struct auvia_dma *p; 839 int error; 840 int rseg; 841 842 p = malloc(sizeof(*p), pool, flags); 843 if (!p) 844 return 0; 845 846 p->size = size; 847 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 848 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 849 printf("%s: unable to allocate DMA, error = %d\n", 850 sc->sc_dev.dv_xname, error); 851 goto fail_alloc; 852 } 853 854 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 855 BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { 856 printf("%s: unable to map DMA, error = %d\n", 857 sc->sc_dev.dv_xname, error); 858 goto fail_map; 859 } 860 861 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 862 BUS_DMA_NOWAIT, &p->map)) != 0) { 863 printf("%s: unable to create DMA map, error = %d\n", 864 sc->sc_dev.dv_xname, error); 865 goto fail_create; 866 } 867 868 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 869 BUS_DMA_NOWAIT)) != 0) { 870 printf("%s: unable to load DMA map, error = %d\n", 871 sc->sc_dev.dv_xname, error); 872 goto fail_load; 873 } 874 875 p->next = sc->sc_dmas; 876 sc->sc_dmas = p; 877 878 return p->addr; 879 880 881 fail_load: 882 bus_dmamap_destroy(sc->sc_dmat, p->map); 883 fail_create: 884 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 885 fail_map: 886 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 887 fail_alloc: 888 free(p, pool); 889 return 0; 890 } 891 892 893 void 894 auvia_free(void *addr, void *ptr, struct malloc_type *pool) 895 { 896 struct auvia_softc *sc = addr; 897 struct auvia_dma **pp, *p; 898 899 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 900 if (p->addr == ptr) { 901 bus_dmamap_unload(sc->sc_dmat, p->map); 902 bus_dmamap_destroy(sc->sc_dmat, p->map); 903 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 904 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 905 906 *pp = p->next; 907 free(p, pool); 908 return; 909 } 910 911 panic("auvia_free: trying to free unallocated memory"); 912 } 913 914 915 size_t 916 auvia_round_buffersize(void *addr, int direction, size_t size) 917 { 918 return size; 919 } 920 921 922 paddr_t 923 auvia_mappage(void *addr, void *mem, off_t off, int prot) 924 { 925 struct auvia_softc *sc = addr; 926 struct auvia_dma *p; 927 928 if (off < 0) 929 return -1; 930 931 for (p = sc->sc_dmas; p && p->addr != mem; p = p->next) 932 ; 933 934 if (!p) 935 return -1; 936 937 return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 938 BUS_DMA_WAITOK); 939 } 940 941 942 int 943 auvia_get_props(void *addr) 944 { 945 struct auvia_softc *sc = addr; 946 int props; 947 948 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 949 /* 950 * Even if the codec is fixed-rate, set_param() succeeds for any sample 951 * rate because of aurateconv. Applications can't know what rate the 952 * device can process in the case of mmap(). 953 */ 954 if (!IS_FIXED_RATE(sc->codec_if)) 955 props |= AUDIO_PROP_MMAP; 956 return props; 957 } 958 959 960 int 961 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 962 struct auvia_dma *p, void *start, void *end, int blksize) 963 { 964 struct auvia_dma_op *op; 965 struct auvia_dma *dp; 966 bus_addr_t s; 967 size_t l; 968 int segs; 969 970 s = p->map->dm_segs[0].ds_addr; 971 l = ((char *)end - (char *)start); 972 segs = (l + blksize - 1) / blksize; 973 974 if (segs > (ch->sc_dma_op_count)) { 975 /* if old list was too small, free it */ 976 if (ch->sc_dma_ops) { 977 auvia_free(sc, ch->sc_dma_ops, M_DEVBUF); 978 } 979 980 ch->sc_dma_ops = auvia_malloc(sc, 0, 981 sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK); 982 983 if (ch->sc_dma_ops == NULL) { 984 printf("%s: couldn't build dmaops\n", sc->sc_dev.dv_xname); 985 return 1; 986 } 987 988 for (dp = sc->sc_dmas; 989 dp && dp->addr != (void *)(ch->sc_dma_ops); 990 dp = dp->next) 991 ; 992 993 if (!dp) 994 panic("%s: build_dma_ops: where'd my memory go??? " 995 "address (%p)\n", sc->sc_dev.dv_xname, 996 ch->sc_dma_ops); 997 998 ch->sc_dma_op_count = segs; 999 ch->sc_dma_ops_dma = dp; 1000 } 1001 1002 dp = ch->sc_dma_ops_dma; 1003 op = ch->sc_dma_ops; 1004 1005 while (l) { 1006 op->ptr = s; 1007 l = l - blksize; 1008 if (!l) { 1009 /* if last block */ 1010 op->flags = AUVIA_DMAOP_EOL | blksize; 1011 } else { 1012 op->flags = AUVIA_DMAOP_FLAG | blksize; 1013 } 1014 s += blksize; 1015 op++; 1016 } 1017 1018 return 0; 1019 } 1020 1021 1022 int 1023 auvia_trigger_output(void *addr, void *start, void *end, 1024 int blksize, void (*intr)(void *), void *arg, 1025 struct audio_params *param) 1026 { 1027 struct auvia_softc *sc = addr; 1028 struct auvia_softc_chan *ch = &(sc->sc_play); 1029 struct auvia_dma *p; 1030 1031 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1032 ; 1033 1034 if (!p) 1035 panic("auvia_trigger_output: request with bad start " 1036 "address (%p)", start); 1037 1038 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1039 return 1; 1040 } 1041 1042 ch->sc_intr = intr; 1043 ch->sc_arg = arg; 1044 1045 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1046 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1047 1048 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1049 if (ch->sc_base != VIA8233_MP_BASE) { 1050 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1051 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1052 } 1053 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1054 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1055 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1056 } else { 1057 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1058 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1059 } 1060 1061 return 0; 1062 } 1063 1064 1065 int 1066 auvia_trigger_input(void *addr, void *start, void *end, 1067 int blksize, void (*intr)(void *), void *arg, 1068 struct audio_params *param) 1069 { 1070 struct auvia_softc *sc = addr; 1071 struct auvia_softc_chan *ch = &(sc->sc_record); 1072 struct auvia_dma *p; 1073 1074 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1075 ; 1076 1077 if (!p) 1078 panic("auvia_trigger_input: request with bad start " 1079 "address (%p)", start); 1080 1081 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1082 return 1; 1083 } 1084 1085 ch->sc_intr = intr; 1086 ch->sc_arg = arg; 1087 1088 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1089 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1090 1091 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1092 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1093 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1094 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1095 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1096 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1097 } else { 1098 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1099 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1100 } 1101 1102 return 0; 1103 } 1104 1105 1106 int 1107 auvia_intr(void *arg) 1108 { 1109 struct auvia_softc *sc = arg; 1110 struct auvia_softc_chan *ch; 1111 u_int8_t r; 1112 int rval; 1113 1114 rval = 0; 1115 1116 ch = &sc->sc_record; 1117 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1118 if (r & AUVIA_RPSTAT_INTR) { 1119 if (sc->sc_record.sc_intr) 1120 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1121 1122 /* clear interrupts */ 1123 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1124 rval = 1; 1125 } 1126 1127 ch = &sc->sc_play; 1128 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1129 if (r & AUVIA_RPSTAT_INTR) { 1130 if (sc->sc_play.sc_intr) 1131 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1132 1133 /* clear interrupts */ 1134 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1135 rval = 1; 1136 } 1137 1138 return rval; 1139 } 1140
Indexes created Mon Sep 29 21:09:56 GMT 2025