1 /* $NetBSD: auvia.c,v 1.87 2021/02/06 09:45:17 isaki Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2008 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * VIA Technologies VT82C686A / VT8233 / VT8235 Southbridge Audio Driver 34 * 35 * Documentation links: 36 * 37 * ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf 38 * ftp://ftp.alsa-project.org/pub/manuals/general/ac97r21.pdf 39 * ftp://ftp.alsa-project.org/pub/manuals/ad/AD1881_0.pdf (example AC'97 codec) 40 */ 41 42 #include <sys/cdefs.h> 43 __KERNEL_RCSID(0, "$NetBSD: auvia.c,v 1.87 2021/02/06 09:45:17 isaki Exp $"); 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/kmem.h> 48 #include <sys/device.h> 49 #include <sys/audioio.h> 50 51 #include <dev/pci/pcidevs.h> 52 #include <dev/pci/pcivar.h> 53 54 #include <dev/audio/audio_if.h> 55 56 #include <dev/ic/ac97reg.h> 57 #include <dev/ic/ac97var.h> 58 59 #include <dev/pci/auviavar.h> 60 61 #define AUVIA_MINBLKSZ 512 62 63 struct auvia_dma { 64 struct auvia_dma *next; 65 void *addr; 66 size_t size; 67 bus_dmamap_t map; 68 bus_dma_segment_t seg; 69 }; 70 71 struct auvia_dma_op { 72 uint32_t ptr; 73 uint32_t flags; 74 #define AUVIA_DMAOP_EOL 0x80000000 75 #define AUVIA_DMAOP_FLAG 0x40000000 76 #define AUVIA_DMAOP_STOP 0x20000000 77 #define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF) 78 }; 79 80 static int auvia_match(device_t, cfdata_t, void *); 81 static void auvia_attach(device_t, device_t, void *); 82 static int auvia_detach(device_t, int); 83 static void auvia_childdet(device_t, device_t); 84 static int auvia_open(void *, int); 85 static void auvia_close(void *); 86 static int auvia_query_format(void *, audio_format_query_t *); 87 static void auvia_set_format_sub(struct auvia_softc *, 88 struct auvia_softc_chan *, 89 const audio_params_t *); 90 static int auvia_set_format(void *, int, 91 const audio_params_t *, const audio_params_t *, 92 audio_filter_reg_t *, audio_filter_reg_t *); 93 static int auvia_round_blocksize(void *, int, int, const audio_params_t *); 94 static int auvia_halt_output(void *); 95 static int auvia_halt_input(void *); 96 static int auvia_getdev(void *, struct audio_device *); 97 static int auvia_set_port(void *, mixer_ctrl_t *); 98 static int auvia_get_port(void *, mixer_ctrl_t *); 99 static int auvia_query_devinfo(void *, mixer_devinfo_t *); 100 static void * auvia_malloc(void *, int, size_t); 101 static void auvia_free(void *, void *, size_t); 102 static int auvia_get_props(void *); 103 static int auvia_build_dma_ops(struct auvia_softc *, 104 struct auvia_softc_chan *, 105 struct auvia_dma *, void *, void *, int); 106 static int auvia_trigger_output(void *, void *, void *, int, 107 void (*)(void *), void *, 108 const audio_params_t *); 109 static int auvia_trigger_input(void *, void *, void *, int, 110 void (*)(void *), void *, 111 const audio_params_t *); 112 static void auvia_get_locks(void *, kmutex_t **, kmutex_t **); 113 static bool auvia_resume(device_t, const pmf_qual_t *); 114 115 static int auvia_intr(void *); 116 static void * auvia_malloc_dmamem(void *, int, size_t); 117 static int auvia_malloc_channel(struct auvia_softc *, struct auvia_softc_chan *, 118 size_t); 119 static int auvia_attach_codec(void *, struct ac97_codec_if *); 120 static int auvia_write_codec(void *, uint8_t, uint16_t); 121 static int auvia_read_codec(void *, uint8_t, uint16_t *); 122 static int auvia_reset_codec(void *); 123 static int auvia_waitready_codec(struct auvia_softc *); 124 static int auvia_waitvalid_codec(struct auvia_softc *); 125 static void auvia_spdif_event(void *, bool); 126 127 CFATTACH_DECL2_NEW(auvia, sizeof (struct auvia_softc), 128 auvia_match, auvia_attach, auvia_detach, NULL, NULL, auvia_childdet); 129 130 /* VIA VT823xx revision number */ 131 #define VIA_REV_8233PRE 0x10 132 #define VIA_REV_8233C 0x20 133 #define VIA_REV_8233 0x30 134 #define VIA_REV_8233A 0x40 135 #define VIA_REV_8235 0x50 136 #define VIA_REV_8237 0x60 137 138 #define AUVIA_PCICONF_JUNK 0x40 139 #define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */ 140 #define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */ 141 #define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */ 142 #define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */ 143 #define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */ 144 #define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */ 145 #define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */ 146 #define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */ 147 #define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */ 148 149 #define AUVIA_PLAY_BASE 0x00 150 #define AUVIA_RECORD_BASE 0x10 151 152 /* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */ 153 #define AUVIA_RP_STAT 0x00 154 #define AUVIA_RPSTAT_INTR 0x03 155 #define AUVIA_RP_CONTROL 0x01 156 #define AUVIA_RPCTRL_START 0x80 157 #define AUVIA_RPCTRL_TERMINATE 0x40 158 #define AUVIA_RPCTRL_AUTOSTART 0x20 159 /* The following are 8233 specific */ 160 #define AUVIA_RPCTRL_STOP 0x04 161 #define AUVIA_RPCTRL_EOL 0x02 162 #define AUVIA_RPCTRL_FLAG 0x01 163 #define AUVIA_RP_MODE 0x02 /* 82c686 specific */ 164 #define AUVIA_RPMODE_INTR_FLAG 0x01 165 #define AUVIA_RPMODE_INTR_EOL 0x02 166 #define AUVIA_RPMODE_STEREO 0x10 167 #define AUVIA_RPMODE_16BIT 0x20 168 #define AUVIA_RPMODE_AUTOSTART 0x80 169 #define AUVIA_RP_DMAOPS_BASE 0x04 170 171 #define VIA8233_RP_DXS_LVOL 0x02 172 #define VIA8233_RP_DXS_RVOL 0x03 173 #define VIA8233_RP_RATEFMT 0x08 174 #define VIA8233_RATEFMT_48K 0xfffff 175 #define VIA8233_RATEFMT_STEREO 0x00100000 176 #define VIA8233_RATEFMT_16BIT 0x00200000 177 178 #define VIA_RP_DMAOPS_COUNT 0x0c 179 180 #define VIA8233_MP_BASE 0x40 181 /* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */ 182 #define VIA8233_OFF_MP_FORMAT 0x02 183 #define VIA8233_MP_FORMAT_8BIT 0x00 184 #define VIA8233_MP_FORMAT_16BIT 0x80 185 #define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */ 186 #define VIA8233_OFF_MP_SCRATCH 0x03 187 #define VIA8233_OFF_MP_STOP 0x08 188 189 #define VIA8233_WR_BASE 0x60 190 191 #define AUVIA_CODEC_CTL 0x80 192 #define AUVIA_CODEC_READ 0x00800000 193 #define AUVIA_CODEC_BUSY 0x01000000 194 #define AUVIA_CODEC_PRIVALID 0x02000000 195 #define AUVIA_CODEC_INDEX(x) ((x)<<16) 196 197 #define CH_WRITE1(sc, ch, off, v) \ 198 bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 199 #define CH_WRITE4(sc, ch, off, v) \ 200 bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v) 201 #define CH_READ1(sc, ch, off) \ 202 bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 203 #define CH_READ4(sc, ch, off) \ 204 bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off)) 205 206 #define TIMEOUT 50 207 208 static const struct audio_hw_if auvia_hw_if = { 209 .open = auvia_open, 210 .close = auvia_close, 211 .query_format = auvia_query_format, 212 .set_format = auvia_set_format, 213 .round_blocksize = auvia_round_blocksize, 214 .halt_output = auvia_halt_output, 215 .halt_input = auvia_halt_input, 216 .getdev = auvia_getdev, 217 .set_port = auvia_set_port, 218 .get_port = auvia_get_port, 219 .query_devinfo = auvia_query_devinfo, 220 .allocm = auvia_malloc, 221 .freem = auvia_free, 222 .get_props = auvia_get_props, 223 .trigger_output = auvia_trigger_output, 224 .trigger_input = auvia_trigger_input, 225 .get_locks = auvia_get_locks, 226 }; 227 228 #define AUVIA_FORMATS_4CH 2 229 #define AUVIA_FORMATS_6CH 3 230 #define AUVIA_FORMAT(aumode, ch, chmask) \ 231 { \ 232 .mode = (aumode), \ 233 .encoding = AUDIO_ENCODING_SLINEAR_LE, \ 234 .validbits = 16, \ 235 .precision = 16, \ 236 .channels = (ch), \ 237 .channel_mask = (chmask), \ 238 .frequency_type = 0, \ 239 .frequency = { 4000, 48000 }, \ 240 } 241 static const struct audio_format auvia_formats[AUVIA_NFORMATS] = { 242 AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 1, AUFMT_MONAURAL), 243 AUVIA_FORMAT(AUMODE_PLAY | AUMODE_RECORD, 2, AUFMT_STEREO), 244 AUVIA_FORMAT(AUMODE_PLAY , 4, AUFMT_SURROUND4), 245 AUVIA_FORMAT(AUMODE_PLAY , 6, AUFMT_DOLBY_5_1), 246 }; 247 248 #define AUVIA_SPDIF_NFORMATS 1 249 static const struct audio_format auvia_spdif_formats[AUVIA_SPDIF_NFORMATS] = { 250 { 251 .mode = AUMODE_PLAY, 252 .encoding = AUDIO_ENCODING_SLINEAR_LE, 253 .validbits = 16, 254 .precision = 16, 255 .channels = 2, 256 .channel_mask = AUFMT_STEREO, 257 .frequency_type = 1, 258 .frequency = { 48000 }, 259 }, 260 }; 261 262 263 static int 264 auvia_match(device_t parent, cfdata_t match, void *aux) 265 { 266 struct pci_attach_args *pa; 267 268 pa = (struct pci_attach_args *) aux; 269 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH) 270 return 0; 271 switch (PCI_PRODUCT(pa->pa_id)) { 272 case PCI_PRODUCT_VIATECH_VT82C686A_AC97: 273 case PCI_PRODUCT_VIATECH_VT8233_AC97: 274 break; 275 default: 276 return 0; 277 } 278 279 return 1; 280 } 281 282 static void 283 auvia_childdet(device_t self, device_t child) 284 { 285 /* we hold no child references, so do nothing */ 286 } 287 288 static int 289 auvia_detach(device_t self, int flags) 290 { 291 int rc; 292 struct auvia_softc *sc = device_private(self); 293 294 if ((rc = config_detach_children(self, flags)) != 0) 295 return rc; 296 pmf_device_deregister(self); 297 298 mutex_enter(&sc->sc_lock); 299 if (sc->codec_if != NULL) 300 sc->codec_if->vtbl->detach(sc->codec_if); 301 mutex_exit(&sc->sc_lock); 302 303 /* XXX restore compatibility? */ 304 if (sc->sc_ih != NULL) 305 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 306 307 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); 308 if (sc->sc_play.sc_dma_ops != NULL) { 309 auvia_free(sc, sc->sc_play.sc_dma_ops, 310 sc->sc_play.sc_dma_op_count * 311 sizeof(struct auvia_dma_op)); 312 } 313 if (sc->sc_record.sc_dma_ops != NULL) { 314 auvia_free(sc, sc->sc_record.sc_dma_ops, 315 sc->sc_play.sc_dma_op_count * 316 sizeof(struct auvia_dma_op)); 317 } 318 mutex_destroy(&sc->sc_lock); 319 mutex_destroy(&sc->sc_intr_lock); 320 321 return 0; 322 } 323 324 static void 325 auvia_attach(device_t parent, device_t self, void *aux) 326 { 327 struct pci_attach_args *pa; 328 struct auvia_softc *sc; 329 const char *intrstr; 330 pci_chipset_tag_t pc; 331 pcitag_t pt; 332 pci_intr_handle_t ih; 333 pcireg_t pr; 334 int r; 335 const char *revnum; /* VT823xx revision number */ 336 char intrbuf[PCI_INTRSTR_LEN]; 337 338 pa = aux; 339 sc = device_private(self); 340 sc->sc_dev = self; 341 intrstr = NULL; 342 pc = pa->pa_pc; 343 pt = pa->pa_tag; 344 revnum = NULL; 345 346 aprint_naive(": Audio controller\n"); 347 348 sc->sc_play.sc_base = AUVIA_PLAY_BASE; 349 sc->sc_record.sc_base = AUVIA_RECORD_BASE; 350 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) { 351 sc->sc_flags |= AUVIA_FLAGS_VT8233; 352 sc->sc_play.sc_base = VIA8233_MP_BASE; 353 sc->sc_record.sc_base = VIA8233_WR_BASE; 354 } 355 356 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot, 357 &sc->sc_ioh, NULL, &sc->sc_iosize)) { 358 aprint_error(": can't map i/o space\n"); 359 return; 360 } 361 362 sc->sc_dmat = pa->pa_dmat; 363 sc->sc_pc = pc; 364 sc->sc_pt = pt; 365 366 r = PCI_REVISION(pa->pa_class); 367 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 368 snprintf(sc->sc_revision, sizeof(sc->sc_revision), "0x%02X", r); 369 switch(r) { 370 case VIA_REV_8233PRE: 371 /* same as 8233, but should not be in the market */ 372 revnum = "3-Pre"; 373 break; 374 case VIA_REV_8233C: 375 /* 2 rec, 4 pb, 1 multi-pb */ 376 revnum = "3C"; 377 break; 378 case VIA_REV_8233: 379 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 380 revnum = "3"; 381 break; 382 case VIA_REV_8233A: 383 /* 1 rec, 1 multi-pb, spdif */ 384 revnum = "3A"; 385 break; 386 default: 387 break; 388 } 389 if (r >= VIA_REV_8237) 390 revnum = "7"; 391 else if (r >= VIA_REV_8235) /* 2 rec, 4 pb, 1 multi-pb, spdif */ 392 revnum = "5"; 393 aprint_normal(": VIA Technologies VT823%s AC'97 Audio " 394 "(rev %s)\n", revnum, sc->sc_revision); 395 } else { 396 sc->sc_revision[1] = '\0'; 397 if (r == 0x20) { 398 sc->sc_revision[0] = 'H'; 399 } else if ((r >= 0x10) && (r <= 0x14)) { 400 sc->sc_revision[0] = 'A' + (r - 0x10); 401 } else { 402 snprintf(sc->sc_revision, sizeof(sc->sc_revision), 403 "0x%02X", r); 404 } 405 406 aprint_normal(": VIA Technologies VT82C686A AC'97 Audio " 407 "(rev %s)\n", sc->sc_revision); 408 } 409 410 if (pci_intr_map(pa, &ih)) { 411 aprint_error(": couldn't map interrupt\n"); 412 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); 413 return; 414 } 415 intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); 416 417 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 418 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 419 420 sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, auvia_intr, sc, 421 device_xname(self)); 422 if (sc->sc_ih == NULL) { 423 aprint_error_dev(sc->sc_dev, "couldn't establish interrupt"); 424 if (intrstr != NULL) 425 aprint_error(" at %s", intrstr); 426 aprint_error("\n"); 427 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); 428 mutex_destroy(&sc->sc_lock); 429 mutex_destroy(&sc->sc_intr_lock); 430 return; 431 } 432 433 aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr); 434 435 /* disable SBPro compat & others */ 436 pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK); 437 438 pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */ 439 /* XXX what to do about MIDI, FM, joystick? */ 440 441 pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST 442 | AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD); 443 444 pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB); 445 446 pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr); 447 448 sc->host_if.arg = sc; 449 sc->host_if.attach = auvia_attach_codec; 450 sc->host_if.read = auvia_read_codec; 451 sc->host_if.write = auvia_write_codec; 452 sc->host_if.reset = auvia_reset_codec; 453 sc->host_if.spdif_event = auvia_spdif_event; 454 455 if ((r = ac97_attach(&sc->host_if, self, &sc->sc_lock)) != 0) { 456 aprint_error_dev(sc->sc_dev, "can't attach codec (error 0x%X)\n", r); 457 pci_intr_disestablish(pc, sc->sc_ih); 458 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_iosize); 459 mutex_destroy(&sc->sc_lock); 460 mutex_destroy(&sc->sc_intr_lock); 461 return; 462 } 463 464 /* setup audio_format */ 465 memcpy(sc->sc_formats, auvia_formats, sizeof(auvia_formats)); 466 mutex_enter(&sc->sc_lock); 467 if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_4CH(sc->codec_if)) { 468 AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_4CH]); 469 } 470 if (sc->sc_play.sc_base != VIA8233_MP_BASE || !AC97_IS_6CH(sc->codec_if)) { 471 AUFMT_INVALIDATE(&sc->sc_formats[AUVIA_FORMATS_6CH]); 472 } 473 if (AC97_IS_FIXED_RATE(sc->codec_if)) { 474 for (r = 0; r < AUVIA_NFORMATS; r++) { 475 sc->sc_formats[r].frequency_type = 1; 476 sc->sc_formats[r].frequency[0] = 48000; 477 } 478 } 479 mutex_exit(&sc->sc_lock); 480 481 if (!pmf_device_register(self, NULL, auvia_resume)) 482 aprint_error_dev(self, "couldn't establish power handler\n"); 483 484 audio_attach_mi(&auvia_hw_if, sc, sc->sc_dev); 485 mutex_enter(&sc->sc_lock); 486 sc->codec_if->vtbl->unlock(sc->codec_if); 487 mutex_exit(&sc->sc_lock); 488 return; 489 } 490 491 static int 492 auvia_attach_codec(void *addr, struct ac97_codec_if *cif) 493 { 494 struct auvia_softc *sc; 495 496 sc = addr; 497 sc->codec_if = cif; 498 return 0; 499 } 500 501 static int 502 auvia_reset_codec(void *addr) 503 { 504 struct auvia_softc *sc; 505 pcireg_t r; 506 int i; 507 508 /* perform a codec cold reset */ 509 sc = addr; 510 r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK); 511 512 r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */ 513 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 514 delay(2); 515 516 r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */ 517 pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r); 518 delay(200); 519 520 for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt, 521 AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--) 522 DELAY(1); 523 if (i == 0) { 524 printf("%s: codec reset timed out\n", device_xname(sc->sc_dev)); 525 return ETIMEDOUT; 526 } 527 return 0; 528 } 529 530 static int 531 auvia_waitready_codec(struct auvia_softc *sc) 532 { 533 int i; 534 535 /* poll until codec not busy */ 536 for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh, 537 AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++) 538 delay(1); 539 if (i >= TIMEOUT) { 540 printf("%s: codec busy\n", device_xname(sc->sc_dev)); 541 return 1; 542 } 543 544 return 0; 545 } 546 547 static int 548 auvia_waitvalid_codec(struct auvia_softc *sc) 549 { 550 int i; 551 552 /* poll until codec valid */ 553 for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh, 554 AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++) 555 delay(1); 556 if (i >= TIMEOUT) { 557 printf("%s: codec invalid\n", device_xname(sc->sc_dev)); 558 return 1; 559 } 560 561 return 0; 562 } 563 564 static int 565 auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val) 566 { 567 struct auvia_softc *sc; 568 569 sc = addr; 570 if (auvia_waitready_codec(sc)) 571 return 1; 572 573 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 574 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val); 575 576 return 0; 577 } 578 579 static int 580 auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val) 581 { 582 struct auvia_softc *sc; 583 584 sc = addr; 585 if (auvia_waitready_codec(sc)) 586 return 1; 587 588 bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL, 589 AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg)); 590 591 if (auvia_waitready_codec(sc)) 592 return 1; 593 594 if (auvia_waitvalid_codec(sc)) 595 return 1; 596 597 *val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL); 598 599 return 0; 600 } 601 602 static void 603 auvia_spdif_event(void *addr, bool flag) 604 { 605 struct auvia_softc *sc; 606 607 sc = addr; 608 sc->sc_spdif = flag; 609 } 610 611 static int 612 auvia_open(void *addr, int flags) 613 { 614 struct auvia_softc *sc; 615 616 sc = (struct auvia_softc *)addr; 617 sc->codec_if->vtbl->lock(sc->codec_if); 618 return 0; 619 } 620 621 static void 622 auvia_close(void *addr) 623 { 624 struct auvia_softc *sc; 625 626 sc = (struct auvia_softc *)addr; 627 sc->codec_if->vtbl->unlock(sc->codec_if); 628 } 629 630 static int 631 auvia_query_format(void *addr, audio_format_query_t *afp) 632 { 633 struct auvia_softc *sc; 634 635 sc = (struct auvia_softc *)addr; 636 if (sc->sc_spdif) { 637 return audio_query_format(auvia_spdif_formats, 638 AUVIA_SPDIF_NFORMATS, afp); 639 } else { 640 return audio_query_format(sc->sc_formats, 641 AUVIA_NFORMATS, afp); 642 } 643 } 644 645 static void 646 auvia_set_format_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch, 647 const audio_params_t *p) 648 { 649 uint32_t v; 650 uint16_t regval; 651 652 if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) { 653 regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0) 654 | (p->precision == 16 ? 655 AUVIA_RPMODE_16BIT : 0) 656 | AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL 657 | AUVIA_RPMODE_AUTOSTART; 658 ch->sc_reg = regval; 659 } else if (ch->sc_base != VIA8233_MP_BASE) { 660 v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT); 661 v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO 662 | VIA8233_RATEFMT_16BIT); 663 664 v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20) 665 / (48000 / 20); 666 if (p->channels == 2) 667 v |= VIA8233_RATEFMT_STEREO; 668 if (p->precision == 16) 669 v |= VIA8233_RATEFMT_16BIT; 670 671 CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v); 672 } else { 673 static const u_int32_t slottab[7] = 674 { 0, 0xff000011, 0xff000021, 0, 675 0xff004321, 0, 0xff436521}; 676 677 regval = (p->precision == 16 678 ? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT) 679 | (p->channels << 4); 680 CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval); 681 CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]); 682 } 683 } 684 685 static int 686 auvia_set_format(void *addr, int setmode, 687 const audio_params_t *play, const audio_params_t *rec, 688 audio_filter_reg_t *pfil, audio_filter_reg_t *rfil) 689 { 690 struct auvia_softc *sc; 691 struct auvia_softc_chan *ch; 692 const struct audio_params *p; 693 struct ac97_codec_if* codec; 694 int reg, mode; 695 int rate; 696 697 sc = addr; 698 codec = sc->codec_if; 699 /* for mode in (RECORD, PLAY) */ 700 for (mode = AUMODE_RECORD; mode != -1; 701 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 702 if ((setmode & mode) == 0) 703 continue; 704 705 if (mode == AUMODE_PLAY) { 706 p = play; 707 ch = &sc->sc_play; 708 reg = AC97_REG_PCM_FRONT_DAC_RATE; 709 } else { 710 p = rec; 711 ch = &sc->sc_record; 712 reg = AC97_REG_PCM_LR_ADC_RATE; 713 } 714 715 if (!AC97_IS_FIXED_RATE(codec)) { 716 rate = p->sample_rate; 717 if (codec->vtbl->set_rate(codec, reg, &rate)) 718 return EINVAL; 719 reg = AC97_REG_PCM_SURR_DAC_RATE; 720 rate = p->sample_rate; 721 if (p->channels >= 4 722 && codec->vtbl->set_rate(codec, reg, &rate)) 723 return EINVAL; 724 reg = AC97_REG_PCM_LFE_DAC_RATE; 725 rate = p->sample_rate; 726 if (p->channels == 6 727 && codec->vtbl->set_rate(codec, reg, &rate)) 728 return EINVAL; 729 } 730 auvia_set_format_sub(sc, ch, p); 731 } 732 733 return 0; 734 } 735 736 static int 737 auvia_round_blocksize(void *addr, int blk, 738 int mode, const audio_params_t *param) 739 { 740 struct auvia_softc *sc; 741 742 sc = addr; 743 744 /* XXX VT823x might have the limitation of dma_ops size */ 745 if (sc->sc_flags & AUVIA_FLAGS_VT8233 && blk < 288) 746 blk = 288; 747 748 blk = (blk & -32); 749 if (blk < 32) 750 blk = 32; 751 return blk; 752 } 753 754 static int 755 auvia_halt_output(void *addr) 756 { 757 struct auvia_softc *sc; 758 struct auvia_softc_chan *ch; 759 760 sc = addr; 761 ch = &(sc->sc_play); 762 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 763 ch->sc_intr = NULL; 764 return 0; 765 } 766 767 static int 768 auvia_halt_input(void *addr) 769 { 770 struct auvia_softc *sc; 771 struct auvia_softc_chan *ch; 772 773 sc = addr; 774 ch = &(sc->sc_record); 775 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE); 776 ch->sc_intr = NULL; 777 return 0; 778 } 779 780 static int 781 auvia_getdev(void *addr, struct audio_device *retp) 782 { 783 struct auvia_softc *sc; 784 785 if (retp) { 786 sc = addr; 787 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 788 strncpy(retp->name, "VIA VT823x", 789 sizeof(retp->name)); 790 } else { 791 strncpy(retp->name, "VIA VT82C686A", 792 sizeof(retp->name)); 793 } 794 strncpy(retp->version, sc->sc_revision, sizeof(retp->version)); 795 strncpy(retp->config, "auvia", sizeof(retp->config)); 796 } 797 798 return 0; 799 } 800 801 static int 802 auvia_set_port(void *addr, mixer_ctrl_t *cp) 803 { 804 struct auvia_softc *sc; 805 806 sc = addr; 807 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 808 } 809 810 static int 811 auvia_get_port(void *addr, mixer_ctrl_t *cp) 812 { 813 struct auvia_softc *sc; 814 815 sc = addr; 816 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 817 } 818 819 static int 820 auvia_query_devinfo(void *addr, mixer_devinfo_t *dip) 821 { 822 struct auvia_softc *sc; 823 824 sc = addr; 825 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 826 } 827 828 static int 829 auvia_malloc_channel(struct auvia_softc *sc, struct auvia_softc_chan *ch, 830 size_t size) 831 { 832 struct auvia_dma *dp; 833 int segs; 834 835 /* if old list is large enough, nothing to do */ 836 segs = (size + AUVIA_MINBLKSZ - 1) / AUVIA_MINBLKSZ; 837 if (segs <= ch->sc_dma_op_count) { 838 return 0; 839 } 840 841 if (ch->sc_dma_ops) { 842 auvia_free(sc, ch->sc_dma_ops, 843 ch->sc_dma_op_count * sizeof(*dp)); 844 } 845 846 ch->sc_dma_ops = auvia_malloc_dmamem(sc, 0, 847 sizeof(struct auvia_dma_op) * segs); 848 849 if (ch->sc_dma_ops == NULL) { 850 aprint_error_dev(sc->sc_dev, "couldn't build dmaops\n"); 851 return ENOMEM; 852 } 853 854 for (dp = sc->sc_dmas; 855 dp && dp->addr != (void *)(ch->sc_dma_ops); 856 dp = dp->next) 857 continue; 858 859 if (!dp) 860 panic("%s: build_dma_ops: where'd my memory go??? " 861 "address (%p)\n", device_xname(sc->sc_dev), 862 ch->sc_dma_ops); 863 864 ch->sc_dma_op_count = segs; 865 ch->sc_dma_ops_dma = dp; 866 867 return 0; 868 } 869 870 static void * 871 auvia_malloc_dmamem(void *addr, int direction, size_t size) 872 { 873 struct auvia_softc *sc; 874 struct auvia_dma *p; 875 int error; 876 int rseg; 877 878 p = kmem_alloc(sizeof(*p), KM_SLEEP); 879 sc = addr; 880 p->size = size; 881 if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg, 882 1, &rseg, BUS_DMA_WAITOK)) != 0) { 883 aprint_error_dev(sc->sc_dev, "unable to allocate DMA, error = %d\n", error); 884 goto fail_alloc; 885 } 886 887 if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr, 888 BUS_DMA_WAITOK | BUS_DMA_COHERENT)) != 0) { 889 aprint_error_dev(sc->sc_dev, "unable to map DMA, error = %d\n", 890 error); 891 goto fail_map; 892 } 893 894 if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 895 BUS_DMA_WAITOK, &p->map)) != 0) { 896 aprint_error_dev(sc->sc_dev, "unable to create DMA map, error = %d\n", 897 error); 898 goto fail_create; 899 } 900 901 if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL, 902 BUS_DMA_WAITOK)) != 0) { 903 aprint_error_dev(sc->sc_dev, "unable to load DMA map, error = %d\n", 904 error); 905 goto fail_load; 906 } 907 908 p->next = sc->sc_dmas; 909 sc->sc_dmas = p; 910 911 return p->addr; 912 913 fail_load: 914 bus_dmamap_destroy(sc->sc_dmat, p->map); 915 fail_create: 916 bus_dmamem_unmap(sc->sc_dmat, p->addr, size); 917 fail_map: 918 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 919 fail_alloc: 920 kmem_free(p, sizeof(*p)); 921 return NULL; 922 } 923 924 static void * 925 auvia_malloc(void *addr, int direction, size_t size) 926 { 927 struct auvia_softc *sc; 928 void *p; 929 930 sc = addr; 931 932 p = auvia_malloc_dmamem(addr, direction, size); 933 if (p == NULL) { 934 return NULL; 935 } 936 if (auvia_malloc_channel(sc, &sc->sc_play, size) != 0) { 937 auvia_free(addr, p, size); 938 return NULL; 939 } 940 if (auvia_malloc_channel(sc, &sc->sc_record, size) != 0) { 941 auvia_free(addr, p, size); 942 return NULL; 943 } 944 return p; 945 } 946 947 static void 948 auvia_free(void *addr, void *ptr, size_t size) 949 { 950 struct auvia_softc *sc; 951 struct auvia_dma **pp, *p; 952 953 sc = addr; 954 for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next) 955 if (p->addr == ptr) { 956 bus_dmamap_unload(sc->sc_dmat, p->map); 957 bus_dmamap_destroy(sc->sc_dmat, p->map); 958 bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size); 959 bus_dmamem_free(sc->sc_dmat, &p->seg, 1); 960 961 *pp = p->next; 962 kmem_free(p, sizeof(*p)); 963 return; 964 } 965 966 panic("auvia_free: trying to free unallocated memory"); 967 } 968 969 static int 970 auvia_get_props(void *addr) 971 { 972 973 return AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE | 974 AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX; 975 } 976 977 static void 978 auvia_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 979 { 980 struct auvia_softc *sc; 981 982 sc = addr; 983 *intr = &sc->sc_intr_lock; 984 *thread = &sc->sc_lock; 985 } 986 987 static int 988 auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch, 989 struct auvia_dma *p, void *start, void *end, int blksize) 990 { 991 struct auvia_dma_op *op; 992 bus_addr_t s; 993 size_t l; 994 995 op = ch->sc_dma_ops; 996 s = p->map->dm_segs[0].ds_addr; 997 l = ((char *)end - (char *)start); 998 999 while (l) { 1000 op->ptr = htole32(s); 1001 l = l - blksize; 1002 if (!l) { 1003 /* if last block */ 1004 op->flags = htole32(AUVIA_DMAOP_EOL | blksize); 1005 } else { 1006 op->flags = htole32(AUVIA_DMAOP_FLAG | blksize); 1007 } 1008 s += blksize; 1009 op++; 1010 } 1011 1012 return 0; 1013 } 1014 1015 1016 static int 1017 auvia_trigger_output(void *addr, void *start, void *end, int blksize, 1018 void (*intr)(void *), void *arg, const audio_params_t *param) 1019 { 1020 struct auvia_softc *sc; 1021 struct auvia_softc_chan *ch; 1022 struct auvia_dma *p; 1023 1024 sc = addr; 1025 ch = &(sc->sc_play); 1026 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1027 continue; 1028 1029 if (!p) 1030 panic("auvia_trigger_output: request with bad start " 1031 "address (%p)", start); 1032 1033 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1034 return 1; 1035 } 1036 1037 ch->sc_intr = intr; 1038 ch->sc_arg = arg; 1039 1040 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1041 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1042 1043 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1044 if (ch->sc_base != VIA8233_MP_BASE) { 1045 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1046 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1047 } 1048 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1049 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1050 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1051 } else { 1052 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1053 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1054 } 1055 1056 return 0; 1057 } 1058 1059 static int 1060 auvia_trigger_input(void *addr, void *start, void *end, int blksize, 1061 void (*intr)(void *), void *arg, const audio_params_t *param) 1062 { 1063 struct auvia_softc *sc; 1064 struct auvia_softc_chan *ch; 1065 struct auvia_dma *p; 1066 1067 sc = addr; 1068 ch = &(sc->sc_record); 1069 for (p = sc->sc_dmas; p && p->addr != start; p = p->next) 1070 continue; 1071 1072 if (!p) 1073 panic("auvia_trigger_input: request with bad start " 1074 "address (%p)", start); 1075 1076 if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) { 1077 return 1; 1078 } 1079 1080 ch->sc_intr = intr; 1081 ch->sc_arg = arg; 1082 1083 CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE, 1084 ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr); 1085 1086 if (sc->sc_flags & AUVIA_FLAGS_VT8233) { 1087 CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0); 1088 CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0); 1089 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, 1090 AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART | 1091 AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG); 1092 } else { 1093 CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg); 1094 CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START); 1095 } 1096 1097 return 0; 1098 } 1099 1100 static int 1101 auvia_intr(void *arg) 1102 { 1103 struct auvia_softc *sc; 1104 struct auvia_softc_chan *ch; 1105 u_int8_t r; 1106 int rval; 1107 1108 sc = arg; 1109 rval = 0; 1110 ch = &sc->sc_record; 1111 1112 mutex_spin_enter(&sc->sc_intr_lock); 1113 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1114 if (r & AUVIA_RPSTAT_INTR) { 1115 if (sc->sc_record.sc_intr) 1116 sc->sc_record.sc_intr(sc->sc_record.sc_arg); 1117 1118 /* clear interrupts */ 1119 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1120 rval = 1; 1121 } 1122 1123 ch = &sc->sc_play; 1124 r = CH_READ1(sc, ch, AUVIA_RP_STAT); 1125 if (r & AUVIA_RPSTAT_INTR) { 1126 if (sc->sc_play.sc_intr) 1127 sc->sc_play.sc_intr(sc->sc_play.sc_arg); 1128 1129 /* clear interrupts */ 1130 CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR); 1131 rval = 1; 1132 } 1133 mutex_spin_exit(&sc->sc_intr_lock); 1134 1135 return rval; 1136 } 1137 1138 static bool 1139 auvia_resume(device_t dv, const pmf_qual_t *qual) 1140 { 1141 struct auvia_softc *sc = device_private(dv); 1142 1143 mutex_enter(&sc->sc_lock); 1144 mutex_spin_enter(&sc->sc_intr_lock); 1145 auvia_reset_codec(sc); 1146 DELAY(1000); 1147 mutex_spin_exit(&sc->sc_intr_lock); 1148 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 1149 mutex_exit(&sc->sc_lock); 1150 1151 return true; 1152 } 1153