1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Purpose: Driver for the VIA8233/8235 AC97 audio controller 29 */ 30 /* 31 * This file is part of Open Sound System 32 * 33 * Copyright (C) 4Front Technologies 1996-2008. 34 * 35 * This software is released under CDDL 1.0 source license. 36 * See the COPYING file included in the main directory of this source 37 * distribution for the license terms and conditions. 38 */ 39 40 #include <sys/types.h> 41 #include <sys/modctl.h> 42 #include <sys/kmem.h> 43 #include <sys/conf.h> 44 #include <sys/ddi.h> 45 #include <sys/sunddi.h> 46 #include <sys/pci.h> 47 #include <sys/note.h> 48 #include <sys/audio/audio_driver.h> 49 #include <sys/audio/ac97.h> 50 51 #include "audiovia823x.h" 52 53 static struct ddi_device_acc_attr dev_attr = { 54 DDI_DEVICE_ATTR_V0, 55 DDI_STRUCTURE_LE_ACC, 56 DDI_STRICTORDER_ACC 57 }; 58 59 static struct ddi_device_acc_attr buf_attr = { 60 DDI_DEVICE_ATTR_V0, 61 DDI_NEVERSWAP_ACC, 62 DDI_STRICTORDER_ACC 63 }; 64 65 static ddi_dma_attr_t dma_attr_sgd = { 66 DMA_ATTR_V0, /* version number */ 67 0x00000000, /* low DMA address range */ 68 0xffffffff, /* high DMA address range */ 69 0x0000ffff, /* DMA counter register */ 70 8, /* DMA address alignment */ 71 0x3c, /* DMA burstsizes */ 72 8, /* min effective DMA size */ 73 0xffffffff, /* max DMA xfer size */ 74 0x00000fff, /* segment boundary */ 75 1, /* s/g length */ 76 8, /* granularity of device */ 77 0 /* Bus specific DMA flags */ 78 }; 79 80 static ddi_dma_attr_t dma_attr_buf = { 81 DMA_ATTR_V0, /* version number */ 82 0x00000000, /* low DMA address range */ 83 0xffffffff, /* high DMA address range */ 84 0x0001fffe, /* DMA counter register */ 85 4, /* DMA address alignment */ 86 0x3c, /* DMA burstsizes */ 87 4, /* min effective DMA size */ 88 0x0001ffff, /* max DMA xfer size */ 89 0x0001ffff, /* segment boundary */ 90 1, /* s/g length */ 91 4, /* granularity of device */ 92 0 /* Bus specific DMA flags */ 93 }; 94 95 static int auvia_attach(dev_info_t *); 96 static int auvia_resume(dev_info_t *); 97 static int auvia_detach(auvia_devc_t *); 98 static int auvia_suspend(auvia_devc_t *); 99 100 static int auvia_open(void *, int, unsigned *, unsigned *, caddr_t *); 101 static void auvia_close(void *); 102 static int auvia_start(void *); 103 static void auvia_stop(void *); 104 static int auvia_format(void *); 105 static int auvia_channels(void *); 106 static int auvia_rate(void *); 107 static uint64_t auvia_count(void *); 108 static void auvia_sync(void *, unsigned); 109 static size_t auvia_qlen(void *); 110 111 static uint16_t auvia_read_ac97(void *, uint8_t); 112 static void auvia_write_ac97(void *, uint8_t, uint16_t); 113 static int auvia_alloc_port(auvia_devc_t *, int); 114 static void auvia_start_port(auvia_portc_t *); 115 static void auvia_stop_port(auvia_portc_t *); 116 static void auvia_update_port(auvia_portc_t *); 117 static void auvia_reset_input(auvia_portc_t *); 118 static void auvia_reset_output(auvia_portc_t *); 119 static void auvia_destroy(auvia_devc_t *); 120 static int auvia_setup_intrs(auvia_devc_t *); 121 static void auvia_hwinit(auvia_devc_t *); 122 static uint_t auvia_intr(caddr_t, caddr_t); 123 124 static audio_engine_ops_t auvia_engine_ops = { 125 AUDIO_ENGINE_VERSION, 126 auvia_open, 127 auvia_close, 128 auvia_start, 129 auvia_stop, 130 auvia_count, 131 auvia_format, 132 auvia_channels, 133 auvia_rate, 134 auvia_sync, 135 auvia_qlen 136 }; 137 138 static uint16_t 139 auvia_read_ac97(void *arg, uint8_t index) 140 { 141 auvia_devc_t *devc = arg; 142 uint32_t val = 0; 143 int i; 144 145 mutex_enter(&devc->low_mutex); 146 147 val = ((uint32_t)index << 16) | CODEC_RD; 148 OUTL(devc, devc->base + REG_CODEC, val); 149 drv_usecwait(100); 150 151 /* Check AC CODEC access time out */ 152 for (i = 0; i < CODEC_TIMEOUT_COUNT; i++) { 153 154 /* if send command over, break */ 155 if (INL(devc, devc->base + REG_CODEC) & CODEC_STA_VALID) 156 break; 157 drv_usecwait(50); 158 } 159 160 if (i == CODEC_TIMEOUT_COUNT) { 161 goto failed; 162 } 163 164 /* Check if Index still ours? If yes, return data, else return FAIL */ 165 val = INL(devc, devc->base + REG_CODEC); 166 OUTB(devc, devc->base + REG_CODEC + 3, 0x02); 167 if (((val & CODEC_INDEX) >> 16) == index) { 168 mutex_exit(&devc->low_mutex); 169 return (val & CODEC_DATA); 170 } 171 172 failed: 173 mutex_exit(&devc->low_mutex); 174 return (0xffff); 175 } 176 177 static void 178 auvia_write_ac97(void *arg, uint8_t index, uint16_t data) 179 { 180 auvia_devc_t *devc = arg; 181 uint32_t val = 0; 182 int i = 0; 183 184 mutex_enter(&devc->low_mutex); 185 186 val = ((uint32_t)index << 16) | data | CODEC_WR; 187 OUTL(devc, devc->base + REG_CODEC, val); 188 drv_usecwait(100); 189 190 /* Check AC CODEC access time out */ 191 for (i = 0; i < CODEC_TIMEOUT_COUNT; i++) { 192 /* if send command over, break */ 193 if (!(INL(devc, devc->base + REG_CODEC) & CODEC_IN_CMD)) 194 break; 195 drv_usecwait(50); 196 } 197 198 mutex_exit(&devc->low_mutex); 199 } 200 201 static uint_t 202 auvia_intr(caddr_t argp, caddr_t nocare) 203 { 204 auvia_devc_t *devc = (void *)argp; 205 auvia_portc_t *portc; 206 uint32_t gstat; 207 uint8_t status; 208 unsigned intrs = 0; 209 210 _NOTE(ARGUNUSED(nocare)); 211 212 mutex_enter(&devc->mutex); 213 if (devc->suspended) { 214 mutex_exit(&devc->mutex); 215 return (DDI_INTR_UNCLAIMED); 216 } 217 218 gstat = INL(devc, devc->base + REG_GSTAT); 219 if (gstat == 0) { 220 mutex_exit(&devc->mutex); 221 return (DDI_INTR_UNCLAIMED); 222 } 223 224 for (int i = 0; i < AUVIA_NUM_PORTC; i++) { 225 226 portc = devc->portc[i]; 227 228 status = INB(devc, portc->base + OFF_STATUS); 229 if ((status & STATUS_INTR) == 0) { 230 /* clear any other interrupts */ 231 continue; 232 } 233 234 /* 235 * NB: The old code did some goofy things to update 236 * the last valid SGD. However, since we don't ever 237 * reach the last valid SGD (because we loop first), I 238 * don't believe we need to do that. It would appear 239 * that NetBSD does the same. 240 */ 241 /* port interrupt */ 242 if (portc->started) { 243 intrs |= (1U << i); 244 } 245 /* XXX: do we really need to do this? */ 246 OUTB(devc, portc->base + OFF_STATUS, status); 247 } 248 249 OUTL(devc, devc->base + REG_GSTAT, gstat); 250 251 mutex_exit(&devc->mutex); 252 if (intrs & (1U << AUVIA_PLAY_SGD_NUM)) { 253 audio_engine_consume(devc->portc[AUVIA_PLAY_SGD_NUM]->engine); 254 } 255 if (intrs & (1U << AUVIA_REC_SGD_NUM)) { 256 audio_engine_produce(devc->portc[AUVIA_REC_SGD_NUM]->engine); 257 } 258 if (devc->ksp) { 259 AUVIA_KIOP(devc)->intrs[KSTAT_INTR_HARD]++; 260 } 261 262 return (DDI_INTR_CLAIMED); 263 } 264 265 /* 266 * Audio routines 267 */ 268 269 int 270 auvia_open(void *arg, int flag, 271 unsigned *fragfrp, unsigned *nfragsp, caddr_t *bufp) 272 { 273 auvia_portc_t *portc = arg; 274 auvia_devc_t *devc = portc->devc; 275 276 _NOTE(ARGUNUSED(flag)); 277 278 portc->started = B_FALSE; 279 portc->count = 0; 280 *fragfrp = portc->fragfr; 281 *nfragsp = AUVIA_NUM_SGD; 282 *bufp = portc->buf_kaddr; 283 284 mutex_enter(&devc->mutex); 285 portc->reset(portc); 286 mutex_exit(&devc->mutex); 287 288 return (0); 289 } 290 291 void 292 auvia_close(void *arg) 293 { 294 auvia_portc_t *portc = arg; 295 auvia_devc_t *devc = portc->devc; 296 297 mutex_enter(&devc->mutex); 298 auvia_stop_port(portc); 299 portc->started = B_FALSE; 300 mutex_exit(&devc->mutex); 301 } 302 303 int 304 auvia_start(void *arg) 305 { 306 auvia_portc_t *portc = arg; 307 auvia_devc_t *devc = portc->devc; 308 309 mutex_enter(&devc->mutex); 310 if (!portc->started) { 311 auvia_start_port(portc); 312 portc->started = B_TRUE; 313 } 314 mutex_exit(&devc->mutex); 315 return (0); 316 } 317 318 void 319 auvia_stop(void *arg) 320 { 321 auvia_portc_t *portc = arg; 322 auvia_devc_t *devc = portc->devc; 323 324 mutex_enter(&devc->mutex); 325 if (portc->started) { 326 auvia_stop_port(portc); 327 portc->started = B_FALSE; 328 } 329 mutex_exit(&devc->mutex); 330 } 331 332 int 333 auvia_format(void *arg) 334 { 335 _NOTE(ARGUNUSED(arg)); 336 337 return (AUDIO_FORMAT_S16_LE); 338 } 339 340 int 341 auvia_channels(void *arg) 342 { 343 auvia_portc_t *portc = arg; 344 345 return (portc->nchan); 346 } 347 348 int 349 auvia_rate(void *arg) 350 { 351 _NOTE(ARGUNUSED(arg)); 352 353 return (48000); 354 } 355 356 void 357 auvia_sync(void *arg, unsigned nframes) 358 { 359 auvia_portc_t *portc = arg; 360 _NOTE(ARGUNUSED(nframes)); 361 362 (void) ddi_dma_sync(portc->buf_dmah, 0, 0, portc->syncdir); 363 } 364 365 size_t 366 auvia_qlen(void *arg) 367 { 368 _NOTE(ARGUNUSED(arg)); 369 return (0); 370 } 371 372 uint64_t 373 auvia_count(void *arg) 374 { 375 auvia_portc_t *portc = arg; 376 auvia_devc_t *devc = portc->devc; 377 uint64_t val; 378 379 mutex_enter(&devc->mutex); 380 auvia_update_port(portc); 381 /* 382 * The residual is in bytes. We have to convert to frames, 383 * and then subtract it from the fragment size to get the 384 * number of frames processed. It is somewhat unfortunate thta 385 * this (the division) has to happen under the lock. If we 386 * restricted ourself to stereo out, this would be a simple 387 * shift. 388 */ 389 val = portc->count + 390 (portc->fragfr - (portc->resid / (portc->nchan * 2))); 391 mutex_exit(&devc->mutex); 392 393 return (val); 394 } 395 396 397 /* private implementation bits */ 398 399 void 400 auvia_start_port(auvia_portc_t *portc) 401 { 402 auvia_devc_t *devc = portc->devc; 403 404 ASSERT(mutex_owned(&devc->mutex)); 405 406 if (devc->suspended) 407 return; 408 409 /* 410 * Start with autoinit and SGD flag 411 * interrupts enabled. 412 */ 413 OUTB(devc, portc->base + OFF_CTRL, 414 CTRL_START | CTRL_AUTOSTART | CTRL_FLAG); 415 } 416 417 void 418 auvia_stop_port(auvia_portc_t *portc) 419 { 420 auvia_devc_t *devc = portc->devc; 421 422 if (devc->suspended) 423 return; 424 425 OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE); 426 } 427 428 void 429 auvia_update_port(auvia_portc_t *portc) 430 { 431 auvia_devc_t *devc = portc->devc; 432 uint32_t frag; 433 uint32_t n; 434 435 ASSERT(mutex_owned(&devc->mutex)); 436 if (devc->suspended) { 437 portc->cur_frag = 0; 438 portc->resid = portc->fragsz; 439 n = 0; 440 } else { 441 frag = INL(devc, portc->base + OFF_COUNT); 442 portc->resid = (frag & 0xffffff); 443 frag >>= 24; 444 frag &= 0xff; 445 446 if (frag >= portc->cur_frag) { 447 n = frag - portc->cur_frag; 448 } else { 449 n = frag + AUVIA_NUM_SGD - portc->cur_frag; 450 } 451 portc->count += (n * portc->fragfr); 452 portc->cur_frag = frag; 453 } 454 } 455 456 void 457 auvia_reset_output(auvia_portc_t *portc) 458 { 459 auvia_devc_t *devc = portc->devc; 460 uint32_t cmap; 461 462 portc->cur_frag = 0; 463 portc->resid = portc->fragsz; 464 465 if (devc->suspended) 466 return; 467 468 OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE); /* Stop */ 469 OUTL(devc, portc->base + OFF_DMA, portc->sgd_paddr); 470 471 OUTB(devc, portc->base + OFF_PLAYFMT, 472 PLAYFMT_16BIT | (portc->nchan << 4)); 473 474 /* Select channel assignment - not valid for 8233A */ 475 if (devc->chip_type != CHIP_8233A) { 476 /* 477 * Undocumented slot mapping table: 478 * 479 * slot 3 = 1 (left) 480 * slot 4 = 2 (right) 481 * slot 6 = 5 (center) 482 * slot 9 = 6 (lfe) 483 * slot 7 = 3 (left rear) 484 * slot 8 = 4 (right rear) 485 */ 486 switch (portc->nchan) { 487 case 1: 488 cmap = (1 << 0) | (1 << 4); 489 break; 490 case 2: 491 cmap = (1 << 0) | (2 << 4); 492 break; 493 case 4: 494 cmap = (1 << 0) | (2 << 4) | (3 << 8) | (4 << 12); 495 break; 496 case 6: 497 cmap = (1 << 0) | (2 << 4) | 498 (5 << 8) | (6 << 12) | (3 << 16) | (4 << 20); 499 break; 500 default: 501 cmap = 0; 502 break; 503 } 504 OUTL(devc, portc->base + OFF_CHANNELS, cmap | 0xFF000000U); 505 } 506 } 507 508 static void 509 auvia_reset_input(auvia_portc_t *portc) 510 { 511 auvia_devc_t *devc = portc->devc; 512 uint32_t fmt; 513 514 portc->cur_frag = 0; 515 portc->resid = portc->fragsz; 516 517 if (devc->suspended) 518 return; 519 520 OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE); /* Stop */ 521 OUTL(devc, portc->base + OFF_DMA, portc->sgd_paddr); 522 523 fmt = RECFMT_STEREO | RECFMT_16BIT; 524 525 if (devc->chip_type != CHIP_8233A) { 526 fmt |= RECFMT_48K; 527 } 528 fmt |= (0xffU << 24); 529 OUTB(devc, portc->base + OFF_RECFIFO, RECFIFO_ENABLE); 530 OUTL(devc, portc->base + OFF_RECFMT, fmt); 531 } 532 533 int 534 auvia_alloc_port(auvia_devc_t *devc, int num) 535 { 536 auvia_portc_t *portc; 537 size_t len; 538 ddi_dma_cookie_t cookie; 539 uint_t count; 540 int dir; 541 char *prop; 542 unsigned caps; 543 audio_dev_t *adev; 544 uint32_t *desc; 545 uint32_t paddr; 546 547 adev = devc->adev; 548 portc = kmem_zalloc(sizeof (*portc), KM_SLEEP); 549 devc->portc[num] = portc; 550 portc->devc = devc; 551 portc->started = B_FALSE; 552 553 switch (num) { 554 case AUVIA_REC_SGD_NUM: 555 prop = "record-interrupts"; 556 portc->base = devc->base + REG_RECBASE; 557 portc->syncdir = DDI_DMA_SYNC_FORKERNEL; 558 portc->nchan = 2; 559 portc->reset = auvia_reset_input; 560 caps = ENGINE_INPUT_CAP; 561 dir = DDI_DMA_READ; 562 break; 563 case AUVIA_PLAY_SGD_NUM: 564 prop = "play-interrupts"; 565 portc->base = devc->base + REG_PLAYBASE; 566 portc->syncdir = DDI_DMA_SYNC_FORDEV; 567 portc->nchan = 6; 568 portc->reset = auvia_reset_output; 569 caps = ENGINE_OUTPUT_CAP; 570 dir = DDI_DMA_WRITE; 571 break; 572 default: 573 return (DDI_FAILURE); 574 } 575 576 /* make sure port is shut down */ 577 OUTB(portc->devc, portc->base + OFF_CTRL, CTRL_TERMINATE); 578 579 /* figure out fragment configuration */ 580 portc->intrs = ddi_prop_get_int(DDI_DEV_T_ANY, devc->dip, 581 DDI_PROP_DONTPASS, prop, AUVIA_INTRS); 582 583 /* make sure the values are good */ 584 if (portc->intrs < AUVIA_MIN_INTRS) { 585 audio_dev_warn(adev, "%s too low, %d, reset to %d", 586 prop, portc->intrs, AUVIA_INTRS); 587 portc->intrs = AUVIA_INTRS; 588 } else if (portc->intrs > AUVIA_MAX_INTRS) { 589 audio_dev_warn(adev, "%s too high, %d, reset to %d", 590 prop, portc->intrs, AUVIA_INTRS); 591 portc->intrs = AUVIA_INTRS; 592 } 593 594 portc->fragfr = 48000 / portc->intrs; 595 portc->fragsz = portc->fragfr * portc->nchan * 2; 596 portc->buf_size = portc->fragsz * AUVIA_NUM_SGD; 597 598 /* first allocate up space for SGD list */ 599 if (ddi_dma_alloc_handle(devc->dip, &dma_attr_sgd, 600 DDI_DMA_SLEEP, NULL, &portc->sgd_dmah) != DDI_SUCCESS) { 601 audio_dev_warn(adev, "failed to allocate SGD handle"); 602 return (DDI_FAILURE); 603 } 604 605 if (ddi_dma_mem_alloc(portc->sgd_dmah, 606 AUVIA_NUM_SGD * 2 * sizeof (uint32_t), &dev_attr, 607 DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, &portc->sgd_kaddr, 608 &len, &portc->sgd_acch) != DDI_SUCCESS) { 609 audio_dev_warn(adev, "failed to allocate SGD memory"); 610 return (DDI_FAILURE); 611 } 612 613 if (ddi_dma_addr_bind_handle(portc->sgd_dmah, NULL, 614 portc->sgd_kaddr, len, DDI_DMA_CONSISTENT | DDI_DMA_WRITE, 615 DDI_DMA_SLEEP, NULL, &cookie, &count) != DDI_SUCCESS) { 616 audio_dev_warn(adev, "failed binding SGD DMA handle"); 617 return (DDI_FAILURE); 618 } 619 portc->sgd_paddr = cookie.dmac_address; 620 621 /* now buffers */ 622 if (ddi_dma_alloc_handle(devc->dip, &dma_attr_buf, DDI_DMA_SLEEP, NULL, 623 &portc->buf_dmah) != DDI_SUCCESS) { 624 audio_dev_warn(adev, "failed to allocate BUF handle"); 625 return (DDI_FAILURE); 626 } 627 628 if (ddi_dma_mem_alloc(portc->buf_dmah, portc->buf_size, 629 &buf_attr, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, 630 &portc->buf_kaddr, &len, &portc->buf_acch) != DDI_SUCCESS) { 631 audio_dev_warn(adev, "failed to allocate BUF memory"); 632 return (DDI_FAILURE); 633 } 634 635 if (ddi_dma_addr_bind_handle(portc->buf_dmah, NULL, portc->buf_kaddr, 636 len, DDI_DMA_CONSISTENT | dir, DDI_DMA_SLEEP, NULL, &cookie, 637 &count) != DDI_SUCCESS) { 638 audio_dev_warn(adev, "failed binding BUF DMA handle"); 639 return (DDI_FAILURE); 640 } 641 portc->buf_paddr = cookie.dmac_address; 642 643 /* now wire descriptors up */ 644 desc = (void *)portc->sgd_kaddr; 645 paddr = portc->buf_paddr; 646 for (int i = 0; i < AUVIA_NUM_SGD; i++) { 647 uint32_t flags; 648 649 flags = AUVIA_SGD_FLAG | portc->fragsz; 650 651 if (i == (AUVIA_NUM_SGD - 1)) { 652 flags |= AUVIA_SGD_EOL; 653 } 654 ddi_put32(portc->sgd_acch, desc++, paddr); 655 ddi_put32(portc->sgd_acch, desc++, flags); 656 paddr += portc->fragsz; 657 } 658 659 (void) ddi_dma_sync(portc->sgd_dmah, 0, 0, DDI_DMA_SYNC_FORDEV); 660 661 portc->engine = audio_engine_alloc(&auvia_engine_ops, caps); 662 if (portc->engine == NULL) { 663 audio_dev_warn(adev, "audio_engine_alloc failed"); 664 return (DDI_FAILURE); 665 } 666 667 audio_engine_set_private(portc->engine, portc); 668 audio_dev_add_engine(adev, portc->engine); 669 670 return (DDI_SUCCESS); 671 } 672 673 int 674 auvia_setup_intrs(auvia_devc_t *devc) 675 { 676 uint_t ipri; 677 int actual; 678 int rv; 679 ddi_intr_handle_t ih[1]; 680 681 rv = ddi_intr_alloc(devc->dip, ih, DDI_INTR_TYPE_FIXED, 682 0, 1, &actual, DDI_INTR_ALLOC_STRICT); 683 if ((rv != DDI_SUCCESS) || (actual != 1)) { 684 audio_dev_warn(devc->adev, 685 "Can't alloc interrupt handle (rv %d actual %d)", 686 rv, actual); 687 return (DDI_FAILURE); 688 } 689 690 if (ddi_intr_get_pri(ih[0], &ipri) != DDI_SUCCESS) { 691 audio_dev_warn(devc->adev, "Can't get interrupt priority"); 692 (void) ddi_intr_free(ih[0]); 693 return (DDI_FAILURE); 694 } 695 696 if (ddi_intr_add_handler(ih[0], auvia_intr, devc, NULL) != 697 DDI_SUCCESS) { 698 audio_dev_warn(devc->adev, "Can't add interrupt handler"); 699 (void) ddi_intr_free(ih[0]); 700 return (DDI_FAILURE); 701 } 702 703 devc->ih = ih[0]; 704 mutex_init(&devc->mutex, NULL, MUTEX_DRIVER, DDI_INTR_PRI(ipri)); 705 mutex_init(&devc->low_mutex, NULL, MUTEX_DRIVER, DDI_INTR_PRI(ipri)); 706 return (DDI_SUCCESS); 707 } 708 709 void 710 auvia_destroy(auvia_devc_t *devc) 711 { 712 if (devc->ih != NULL) { 713 (void) ddi_intr_disable(devc->ih); 714 (void) ddi_intr_remove_handler(devc->ih); 715 (void) ddi_intr_free(devc->ih); 716 mutex_destroy(&devc->mutex); 717 mutex_destroy(&devc->low_mutex); 718 } 719 720 if (devc->ksp) { 721 kstat_delete(devc->ksp); 722 } 723 724 for (int i = 0; i < AUVIA_NUM_PORTC; i++) { 725 auvia_portc_t *portc = devc->portc[i]; 726 if (!portc) 727 continue; 728 if (portc->engine) { 729 audio_dev_remove_engine(devc->adev, portc->engine); 730 audio_engine_free(portc->engine); 731 } 732 if (portc->sgd_paddr) { 733 (void) ddi_dma_unbind_handle(portc->sgd_dmah); 734 } 735 if (portc->sgd_acch) { 736 ddi_dma_mem_free(&portc->sgd_acch); 737 } 738 if (portc->sgd_dmah) { 739 ddi_dma_free_handle(&portc->sgd_dmah); 740 } 741 if (portc->buf_paddr) { 742 (void) ddi_dma_unbind_handle(portc->buf_dmah); 743 } 744 if (portc->buf_acch) { 745 ddi_dma_mem_free(&portc->buf_acch); 746 } 747 if (portc->buf_dmah) { 748 ddi_dma_free_handle(&portc->buf_dmah); 749 } 750 kmem_free(portc, sizeof (*portc)); 751 } 752 753 if (devc->ac97 != NULL) { 754 ac97_free(devc->ac97); 755 } 756 if (devc->adev != NULL) { 757 audio_dev_free(devc->adev); 758 } 759 if (devc->regsh != NULL) { 760 ddi_regs_map_free(&devc->regsh); 761 } 762 if (devc->pcih != NULL) { 763 pci_config_teardown(&devc->pcih); 764 } 765 kmem_free(devc, sizeof (*devc)); 766 } 767 768 void 769 auvia_hwinit(auvia_devc_t *devc) 770 { 771 ddi_acc_handle_t pcih = devc->pcih; 772 uint32_t val; 773 774 val = pci_config_get32(pcih, AUVIA_PCICFG); 775 /* we want to disable all legacy */ 776 val &= ~AUVIA_PCICFG_LEGACY; 777 val &= ~(AUVIA_PCICFG_FMEN | AUVIA_PCICFG_SBEN); 778 779 /* enable AC'97 link and clear the reset bit */ 780 val |= (AUVIA_PCICFG_ACLINKEN | AUVIA_PCICFG_NRST); 781 /* disable SRC (we won't use it) */ 782 val &= ~AUVIA_PCICFG_SRCEN; 783 /* enable the SGD engines */ 784 val |= AUVIA_PCICFG_SGDEN; 785 786 pci_config_put32(pcih, AUVIA_PCICFG, val); 787 788 drv_usecwait(10); 789 } 790 791 int 792 auvia_attach(dev_info_t *dip) 793 { 794 uint8_t pci_revision; 795 uint16_t pci_command, vendor, device; 796 auvia_devc_t *devc; 797 ddi_acc_handle_t pcih; 798 const char *version; 799 800 devc = kmem_zalloc(sizeof (*devc), KM_SLEEP); 801 devc->dip = dip; 802 ddi_set_driver_private(dip, devc); 803 804 if ((devc->adev = audio_dev_alloc(dip, 0)) == NULL) { 805 cmn_err(CE_WARN, "audio_dev_alloc failed"); 806 goto error; 807 } 808 809 if (pci_config_setup(dip, &pcih) != DDI_SUCCESS) { 810 audio_dev_warn(devc->adev, "pci_config_setup failed"); 811 goto error; 812 } 813 devc->pcih = pcih; 814 815 vendor = pci_config_get16(pcih, PCI_CONF_VENID); 816 device = pci_config_get16(pcih, PCI_CONF_DEVID); 817 if ((vendor != VIA_VENDOR_ID) || (device != VIA_8233_ID && 818 device != VIA_8233A_ID)) { 819 audio_dev_warn(devc->adev, "Hardware not recognized " 820 "(vendor=%x, dev=%x)", vendor, device); 821 goto error; 822 } 823 824 devc->chip_type = CHIP_8233; 825 devc->chip_name = "VIA VT8233"; 826 version = "8233"; 827 828 pci_revision = pci_config_get8(pcih, PCI_CONF_REVID); 829 830 if (pci_revision == 0x50) { 831 devc->chip_name = "VIA VT8235"; 832 version = "8235"; 833 } 834 835 if (pci_revision == 0x60) { 836 devc->chip_name = "VIA VT8237"; 837 version = "8237"; 838 } 839 840 if ((device == VIA_8233A_ID) || 841 (device == VIA_8233_ID && pci_revision == 0x40)) { 842 devc->chip_type = CHIP_8233A; 843 devc->chip_name = "VIA VT8233A"; 844 version = "8233A"; 845 } 846 audio_dev_set_description(devc->adev, devc->chip_name); 847 audio_dev_set_version(devc->adev, version); 848 849 pci_command = pci_config_get16(pcih, PCI_CONF_COMM); 850 pci_command |= PCI_COMM_ME | PCI_COMM_IO | PCI_COMM_MAE; 851 pci_config_put16(pcih, PCI_CONF_COMM, pci_command); 852 853 if ((ddi_regs_map_setup(dip, 1, &devc->base, 0, 0, &dev_attr, 854 &devc->regsh)) != DDI_SUCCESS) { 855 audio_dev_warn(devc->adev, "failed to map registers"); 856 goto error; 857 } 858 859 auvia_hwinit(devc); 860 861 if ((auvia_alloc_port(devc, AUVIA_PLAY_SGD_NUM) != DDI_SUCCESS) || 862 (auvia_alloc_port(devc, AUVIA_REC_SGD_NUM) != DDI_SUCCESS)) { 863 goto error; 864 } 865 866 if (auvia_setup_intrs(devc) != DDI_SUCCESS) { 867 goto error; 868 } 869 870 devc->ac97 = ac97_alloc(dip, auvia_read_ac97, auvia_write_ac97, devc); 871 if (devc->ac97 == NULL) { 872 audio_dev_warn(devc->adev, "failed to allocate ac97 handle"); 873 goto error; 874 } 875 876 if (ac97_init(devc->ac97, devc->adev) != DDI_SUCCESS) { 877 audio_dev_warn(devc->adev, "failed to init ac97"); 878 goto error; 879 } 880 881 /* set up kernel statistics */ 882 if ((devc->ksp = kstat_create(AUVIA_NAME, ddi_get_instance(dip), 883 AUVIA_NAME, "controller", KSTAT_TYPE_INTR, 1, 884 KSTAT_FLAG_PERSISTENT)) != NULL) { 885 kstat_install(devc->ksp); 886 } 887 888 if (audio_dev_register(devc->adev) != DDI_SUCCESS) { 889 audio_dev_warn(devc->adev, "unable to register with framework"); 890 goto error; 891 } 892 893 (void) ddi_intr_enable(devc->ih); 894 ddi_report_dev(dip); 895 896 return (DDI_SUCCESS); 897 898 error: 899 auvia_destroy(devc); 900 return (DDI_FAILURE); 901 } 902 903 int 904 auvia_resume(dev_info_t *dip) 905 { 906 auvia_devc_t *devc; 907 908 devc = ddi_get_driver_private(dip); 909 910 auvia_hwinit(devc); 911 912 /* allow ac97 operations again */ 913 ac97_resume(devc->ac97); 914 915 mutex_enter(&devc->mutex); 916 devc->suspended = B_TRUE; 917 for (int i = 0; i < AUVIA_NUM_PORTC; i++) { 918 919 auvia_portc_t *portc = devc->portc[i]; 920 921 if (portc->engine != NULL) 922 audio_engine_reset(portc->engine); 923 924 /* reset the port */ 925 portc->reset(portc); 926 927 if (portc->started) { 928 auvia_start_port(portc); 929 } else { 930 auvia_stop_port(portc); 931 } 932 } 933 mutex_exit(&devc->mutex); 934 return (DDI_SUCCESS); 935 } 936 937 938 int 939 auvia_detach(auvia_devc_t *devc) 940 { 941 if (audio_dev_unregister(devc->adev) != DDI_SUCCESS) 942 return (DDI_FAILURE); 943 944 auvia_destroy(devc); 945 return (DDI_SUCCESS); 946 } 947 948 int 949 auvia_suspend(auvia_devc_t *devc) 950 { 951 ac97_suspend(devc->ac97); 952 953 mutex_enter(&devc->mutex); 954 for (int i = 0; i < AUVIA_NUM_PORTC; i++) { 955 956 auvia_portc_t *portc = devc->portc[i]; 957 auvia_stop_port(portc); 958 } 959 devc->suspended = B_TRUE; 960 mutex_exit(&devc->mutex); 961 return (DDI_SUCCESS); 962 } 963 964 static int auvia_ddi_attach(dev_info_t *, ddi_attach_cmd_t); 965 static int auvia_ddi_detach(dev_info_t *, ddi_detach_cmd_t); 966 static int auvia_ddi_quiesce(dev_info_t *); 967 968 static struct dev_ops auvia_dev_ops = { 969 DEVO_REV, /* rev */ 970 0, /* refcnt */ 971 NULL, /* getinfo */ 972 nulldev, /* identify */ 973 nulldev, /* probe */ 974 auvia_ddi_attach, /* attach */ 975 auvia_ddi_detach, /* detach */ 976 nodev, /* reset */ 977 NULL, /* cb_ops */ 978 NULL, /* bus_ops */ 979 NULL, /* power */ 980 auvia_ddi_quiesce, /* quiesce */ 981 }; 982 983 static struct modldrv auvia_modldrv = { 984 &mod_driverops, /* drv_modops */ 985 "Via 823x Audio", /* linkinfo */ 986 &auvia_dev_ops, /* dev_ops */ 987 }; 988 989 static struct modlinkage modlinkage = { 990 MODREV_1, 991 { &auvia_modldrv, NULL } 992 }; 993 994 int 995 _init(void) 996 { 997 int rv; 998 999 audio_init_ops(&auvia_dev_ops, AUVIA_NAME); 1000 if ((rv = mod_install(&modlinkage)) != 0) { 1001 audio_fini_ops(&auvia_dev_ops); 1002 } 1003 return (rv); 1004 } 1005 1006 int 1007 _fini(void) 1008 { 1009 int rv; 1010 1011 if ((rv = mod_remove(&modlinkage)) == 0) { 1012 audio_fini_ops(&auvia_dev_ops); 1013 } 1014 return (rv); 1015 } 1016 1017 int 1018 _info(struct modinfo *modinfop) 1019 { 1020 return (mod_info(&modlinkage, modinfop)); 1021 } 1022 1023 int 1024 auvia_ddi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 1025 { 1026 switch (cmd) { 1027 case DDI_ATTACH: 1028 return (auvia_attach(dip)); 1029 1030 case DDI_RESUME: 1031 return (auvia_resume(dip)); 1032 1033 default: 1034 return (DDI_FAILURE); 1035 } 1036 } 1037 1038 int 1039 auvia_ddi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 1040 { 1041 auvia_devc_t *devc; 1042 1043 devc = ddi_get_driver_private(dip); 1044 1045 switch (cmd) { 1046 case DDI_DETACH: 1047 return (auvia_detach(devc)); 1048 1049 case DDI_SUSPEND: 1050 return (auvia_suspend(devc)); 1051 1052 default: 1053 return (DDI_FAILURE); 1054 } 1055 } 1056 1057 int 1058 auvia_ddi_quiesce(dev_info_t *dip) 1059 { 1060 auvia_devc_t *devc; 1061 1062 devc = ddi_get_driver_private(dip); 1063 1064 for (int i = 0; i < AUVIA_NUM_PORTC; i++) { 1065 1066 auvia_portc_t *portc = devc->portc[i]; 1067 auvia_stop_port(portc); 1068 } 1069 return (DDI_SUCCESS); 1070 } 1071