hw/intel-hda.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * written by Gerd Hoffmann <kraxel@redhat.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 or
   9  * (at your option) version 3 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "hw.h"
  21 #include "pci.h"
  22 #include "msi.h"
  23 #include "qemu-timer.h"
  24 #include "audiodev.h"
  25 #include "intel-hda.h"
  26 #include "intel-hda-defs.h"
  27
  28 /* --------------------------------------------------------------------- */
  29 /* hda bus                                                               */
  30
  31 static struct BusInfo hda_codec_bus_info = {
  32     .name      = "HDA",
  33     .size      = sizeof(HDACodecBus),
  34     .props     = (Property[]) {
  35         DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
  36         DEFINE_PROP_END_OF_LIST()
  37     }
  38 };
  39
  40 void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,
  41                         hda_codec_response_func response,
  42                         hda_codec_xfer_func xfer)
  43 {
  44     qbus_create_inplace(&bus->qbus, &hda_codec_bus_info, dev, NULL);
  45     bus->response = response;
  46     bus->xfer = xfer;
  47 }
  48
  49 static int hda_codec_dev_init(DeviceState *qdev, DeviceInfo *base)
  50 {
  51     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
  52     HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
  53     HDACodecDeviceInfo *info = DO_UPCAST(HDACodecDeviceInfo, qdev, base);
  54
  55     dev->info = info;
  56     if (dev->cad == -1) {
  57         dev->cad = bus->next_cad;
  58     }
  59     if (dev->cad >= 15) {
  60         return -1;
  61     }
  62     bus->next_cad = dev->cad + 1;
  63     return info->init(dev);
  64 }
  65
  66 static int hda_codec_dev_exit(DeviceState *qdev)
  67 {
  68     HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
  69
  70     if (dev->info->exit) {
  71         dev->info->exit(dev);
  72     }
  73     return 0;
  74 }
  75
  76 void hda_codec_register(HDACodecDeviceInfo *info)
  77 {
  78     info->qdev.init = hda_codec_dev_init;
  79     info->qdev.exit = hda_codec_dev_exit;
  80     info->qdev.bus_info = &hda_codec_bus_info;
  81     qdev_register(&info->qdev);
  82 }
  83
  84 HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
  85 {
  86     DeviceState *qdev;
  87     HDACodecDevice *cdev;
  88
  89     QLIST_FOREACH(qdev, &bus->qbus.children, sibling) {
  90         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
  91         if (cdev->cad == cad) {
  92             return cdev;
  93         }
  94     }
  95     return NULL;
  96 }
  97
  98 void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
  99 {
 100     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
 101     bus->response(dev, solicited, response);
 102 }
 103
 104 bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
 105                     uint8_t *buf, uint32_t len)
 106 {
 107     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
 108     return bus->xfer(dev, stnr, output, buf, len);
 109 }
 110
 111 /* --------------------------------------------------------------------- */
 112 /* intel hda emulation                                                   */
 113
 114 typedef struct IntelHDAStream IntelHDAStream;
 115 typedef struct IntelHDAState IntelHDAState;
 116 typedef struct IntelHDAReg IntelHDAReg;
 117
 118 typedef struct bpl {
 119     uint64_t addr;
 120     uint32_t len;
 121     uint32_t flags;
 122 } bpl;
 123
 124 struct IntelHDAStream {
 125     /* registers */
 126     uint32_t ctl;
 127     uint32_t lpib;
 128     uint32_t cbl;
 129     uint32_t lvi;
 130     uint32_t fmt;
 131     uint32_t bdlp_lbase;
 132     uint32_t bdlp_ubase;
 133
 134     /* state */
 135     bpl      *bpl;
 136     uint32_t bentries;
 137     uint32_t bsize, be, bp;
 138 };
 139
 140 struct IntelHDAState {
 141     PCIDevice pci;
 142     const char *name;
 143     HDACodecBus codecs;
 144
 145     /* registers */
 146     uint32_t g_ctl;
 147     uint32_t wake_en;
 148     uint32_t state_sts;
 149     uint32_t int_ctl;
 150     uint32_t int_sts;
 151     uint32_t wall_clk;
 152
 153     uint32_t corb_lbase;
 154     uint32_t corb_ubase;
 155     uint32_t corb_rp;
 156     uint32_t corb_wp;
 157     uint32_t corb_ctl;
 158     uint32_t corb_sts;
 159     uint32_t corb_size;
 160
 161     uint32_t rirb_lbase;
 162     uint32_t rirb_ubase;
 163     uint32_t rirb_wp;
 164     uint32_t rirb_cnt;
 165     uint32_t rirb_ctl;
 166     uint32_t rirb_sts;
 167     uint32_t rirb_size;
 168
 169     uint32_t dp_lbase;
 170     uint32_t dp_ubase;
 171
 172     uint32_t icw;
 173     uint32_t irr;
 174     uint32_t ics;
 175
 176     /* streams */
 177     IntelHDAStream st[8];
 178
 179     /* state */
 180     int mmio_addr;
 181     uint32_t rirb_count;
 182     int64_t wall_base_ns;
 183
 184     /* debug logging */
 185     const IntelHDAReg *last_reg;
 186     uint32_t last_val;
 187     uint32_t last_write;
 188     uint32_t last_sec;
 189     uint32_t repeat_count;
 190
 191     /* properties */
 192     uint32_t debug;
 193     uint32_t msi;
 194 };
 195
 196 struct IntelHDAReg {
 197     const char *name;      /* register name */
 198     uint32_t   size;       /* size in bytes */
 199     uint32_t   reset;      /* reset value */
 200     uint32_t   wmask;      /* write mask */
 201     uint32_t   wclear;     /* write 1 to clear bits */
 202     uint32_t   offset;     /* location in IntelHDAState */
 203     uint32_t   shift;      /* byte access entries for dwords */
 204     uint32_t   stream;
 205     void       (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
 206     void       (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
 207 };
 208
 209 static void intel_hda_reset(DeviceState *dev);
 210
 211 /* --------------------------------------------------------------------- */
 212
 213 static target_phys_addr_t intel_hda_addr(uint32_t lbase, uint32_t ubase)
 214 {
 215     target_phys_addr_t addr;
 216
 217 #if TARGET_PHYS_ADDR_BITS == 32
 218     addr = lbase;
 219 #else
 220     addr = ubase;
 221     addr <<= 32;
 222     addr |= lbase;
 223 #endif
 224     return addr;
 225 }
 226
 227 static void stl_phys_le(target_phys_addr_t addr, uint32_t value)
 228 {
 229     uint32_t value_le = cpu_to_le32(value);
 230     cpu_physical_memory_write(addr, (uint8_t*)(&value_le), sizeof(value_le));
 231 }
 232
 233 static uint32_t ldl_phys_le(target_phys_addr_t addr)
 234 {
 235     uint32_t value_le;
 236     cpu_physical_memory_read(addr, (uint8_t*)(&value_le), sizeof(value_le));
 237     return le32_to_cpu(value_le);
 238 }
 239
 240 static void intel_hda_update_int_sts(IntelHDAState *d)
 241 {
 242     uint32_t sts = 0;
 243     uint32_t i;
 244
 245     /* update controller status */
 246     if (d->rirb_sts & ICH6_RBSTS_IRQ) {
 247         sts |= (1 << 30);
 248     }
 249     if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
 250         sts |= (1 << 30);
 251     }
 252     if (d->state_sts & d->wake_en) {
 253         sts |= (1 << 30);
 254     }
 255
 256     /* update stream status */
 257     for (i = 0; i < 8; i++) {
 258         /* buffer completion interrupt */
 259         if (d->st[i].ctl & (1 << 26)) {
 260             sts |= (1 << i);
 261         }
 262     }
 263
 264     /* update global status */
 265     if (sts & d->int_ctl) {
 266         sts |= (1 << 31);
 267     }
 268
 269     d->int_sts = sts;
 270 }
 271
 272 static void intel_hda_update_irq(IntelHDAState *d)
 273 {
 274     int msi = d->msi && msi_enabled(&d->pci);
 275     int level;
 276
 277     intel_hda_update_int_sts(d);
 278     if (d->int_sts & (1 << 31) && d->int_ctl & (1 << 31)) {
 279         level = 1;
 280     } else {
 281         level = 0;
 282     }
 283     dprint(d, 2, "%s: level %d [%s]\n", __FUNCTION__,
 284            level, msi ? "msi" : "intx");
 285     if (msi) {
 286         if (level) {
 287             msi_notify(&d->pci, 0);
 288         }
 289     } else {
 290         qemu_set_irq(d->pci.irq[0], level);
 291     }
 292 }
 293
 294 static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
 295 {
 296     uint32_t cad, nid, data;
 297     HDACodecDevice *codec;
 298
 299     cad = (verb >> 28) & 0x0f;
 300     if (verb & (1 << 27)) {
 301         /* indirect node addressing, not specified in HDA 1.0 */
 302         dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __FUNCTION__);
 303         return -1;
 304     }
 305     nid = (verb >> 20) & 0x7f;
 306     data = verb & 0xfffff;
 307
 308     codec = hda_codec_find(&d->codecs, cad);
 309     if (codec == NULL) {
 310         dprint(d, 1, "%s: addressed non-existing codec\n", __FUNCTION__);
 311         return -1;
 312     }
 313     codec->info->command(codec, nid, data);
 314     return 0;
 315 }
 316
 317 static void intel_hda_corb_run(IntelHDAState *d)
 318 {
 319     target_phys_addr_t addr;
 320     uint32_t rp, verb;
 321
 322     if (d->ics & ICH6_IRS_BUSY) {
 323         dprint(d, 2, "%s: [icw] verb 0x%08x\n", __FUNCTION__, d->icw);
 324         intel_hda_send_command(d, d->icw);
 325         return;
 326     }
 327
 328     for (;;) {
 329         if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
 330             dprint(d, 2, "%s: !run\n", __FUNCTION__);
 331             return;
 332         }
 333         if ((d->corb_rp & 0xff) == d->corb_wp) {
 334             dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
 335             return;
 336         }
 337         if (d->rirb_count == d->rirb_cnt) {
 338             dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
 339             return;
 340         }
 341
 342         rp = (d->corb_rp + 1) & 0xff;
 343         addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
 344         verb = ldl_phys_le(addr + 4*rp);
 345         d->corb_rp = rp;
 346
 347         dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
 348         intel_hda_send_command(d, verb);
 349     }
 350 }
 351
 352 static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
 353 {
 354     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
 355     IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
 356     target_phys_addr_t addr;
 357     uint32_t wp, ex;
 358
 359     if (d->ics & ICH6_IRS_BUSY) {
 360         dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
 361                __FUNCTION__, response, dev->cad);
 362         d->irr = response;
 363         d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
 364         d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
 365         return;
 366     }
 367
 368     if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
 369         dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __FUNCTION__);
 370         return;
 371     }
 372
 373     ex = (solicited ? 0 : (1 << 4)) | dev->cad;
 374     wp = (d->rirb_wp + 1) & 0xff;
 375     addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
 376     stl_phys_le(addr + 8*wp, response);
 377     stl_phys_le(addr + 8*wp + 4, ex);
 378     d->rirb_wp = wp;
 379
 380     dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
 381            __FUNCTION__, wp, response, ex);
 382
 383     d->rirb_count++;
 384     if (d->rirb_count == d->rirb_cnt) {
 385         dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, d->rirb_count);
 386         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
 387             d->rirb_sts |= ICH6_RBSTS_IRQ;
 388             intel_hda_update_irq(d);
 389         }
 390     } else if ((d->corb_rp & 0xff) == d->corb_wp) {
 391         dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __FUNCTION__,
 392                d->rirb_count, d->rirb_cnt);
 393         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
 394             d->rirb_sts |= ICH6_RBSTS_IRQ;
 395             intel_hda_update_irq(d);
 396         }
 397     }
 398 }
 399
 400 static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
 401                            uint8_t *buf, uint32_t len)
 402 {
 403     HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
 404     IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
 405     IntelHDAStream *st = NULL;
 406     target_phys_addr_t addr;
 407     uint32_t s, copy, left;
 408     bool irq = false;
 409
 410     for (s = 0; s < ARRAY_SIZE(d->st); s++) {
 411         if (stnr == ((d->st[s].ctl >> 20) & 0x0f)) {
 412             st = d->st + s;
 413             break;
 414         }
 415     }
 416     if (st == NULL) {
 417         return false;
 418     }
 419     if (st->bpl == NULL) {
 420         return false;
 421     }
 422     if (st->ctl & (1 << 26)) {
 423         /*
 424          * Wait with the next DMA xfer until the guest
 425          * has acked the buffer completion interrupt
 426          */
 427         return false;
 428     }
 429
 430     left = len;
 431     while (left > 0) {
 432         copy = left;
 433         if (copy > st->bsize - st->lpib)
 434             copy = st->bsize - st->lpib;
 435         if (copy > st->bpl[st->be].len - st->bp)
 436             copy = st->bpl[st->be].len - st->bp;
 437
 438         dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
 439                st->be, st->bp, st->bpl[st->be].len, copy);
 440
 441         cpu_physical_memory_rw(st->bpl[st->be].addr + st->bp,
 442                                buf, copy, !output);
 443         st->lpib += copy;
 444         st->bp += copy;
 445         buf += copy;
 446         left -= copy;
 447
 448         if (st->bpl[st->be].len == st->bp) {
 449             /* bpl entry filled */
 450             if (st->bpl[st->be].flags & 0x01) {
 451                 irq = true;
 452             }
 453             st->bp = 0;
 454             st->be++;
 455             if (st->be == st->bentries) {
 456                 /* bpl wrap around */
 457                 st->be = 0;
 458                 st->lpib = 0;
 459             }
 460         }
 461     }
 462     if (d->dp_lbase & 0x01) {
 463         addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
 464         stl_phys_le(addr + 8*s, st->lpib);
 465     }
 466     dprint(d, 3, "dma: --\n");
 467
 468     if (irq) {
 469         st->ctl |= (1 << 26); /* buffer completion interrupt */
 470         intel_hda_update_irq(d);
 471     }
 472     return true;
 473 }
 474
 475 static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
 476 {
 477     target_phys_addr_t addr;
 478     uint8_t buf[16];
 479     uint32_t i;
 480
 481     addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
 482     st->bentries = st->lvi +1;
 483     qemu_free(st->bpl);
 484     st->bpl = qemu_malloc(sizeof(bpl) * st->bentries);
 485     for (i = 0; i < st->bentries; i++, addr += 16) {
 486         cpu_physical_memory_read(addr, buf, 16);
 487         st->bpl[i].addr  = le64_to_cpu(*(uint64_t *)buf);
 488         st->bpl[i].len   = le32_to_cpu(*(uint32_t *)(buf + 8));
 489         st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
 490         dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
 491                i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
 492     }
 493
 494     st->bsize = st->cbl;
 495     st->lpib  = 0;
 496     st->be    = 0;
 497     st->bp    = 0;
 498 }
 499
 500 static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running)
 501 {
 502     DeviceState *qdev;
 503     HDACodecDevice *cdev;
 504
 505     QLIST_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
 506         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
 507         if (cdev->info->stream) {
 508             cdev->info->stream(cdev, stream, running);
 509         }
 510     }
 511 }
 512
 513 /* --------------------------------------------------------------------- */
 514
 515 static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 516 {
 517     if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
 518         intel_hda_reset(&d->pci.qdev);
 519     }
 520 }
 521
 522 static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 523 {
 524     intel_hda_update_irq(d);
 525 }
 526
 527 static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 528 {
 529     intel_hda_update_irq(d);
 530 }
 531
 532 static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 533 {
 534     intel_hda_update_irq(d);
 535 }
 536
 537 static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
 538 {
 539     int64_t ns;
 540
 541     ns = qemu_get_clock_ns(vm_clock) - d->wall_base_ns;
 542     d->wall_clk = (uint32_t)(ns * 24 / 1000);  /* 24 MHz */
 543 }
 544
 545 static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 546 {
 547     intel_hda_corb_run(d);
 548 }
 549
 550 static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 551 {
 552     intel_hda_corb_run(d);
 553 }
 554
 555 static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 556 {
 557     if (d->rirb_wp & ICH6_RIRBWP_RST) {
 558         d->rirb_wp = 0;
 559     }
 560 }
 561
 562 static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 563 {
 564     intel_hda_update_irq(d);
 565
 566     if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
 567         /* cleared ICH6_RBSTS_IRQ */
 568         d->rirb_count = 0;
 569         intel_hda_corb_run(d);
 570     }
 571 }
 572
 573 static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 574 {
 575     if (d->ics & ICH6_IRS_BUSY) {
 576         intel_hda_corb_run(d);
 577     }
 578 }
 579
 580 static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 581 {
 582     IntelHDAStream *st = d->st + reg->stream;
 583
 584     if (st->ctl & 0x01) {
 585         /* reset */
 586         dprint(d, 1, "st #%d: reset\n", reg->stream);
 587         st->ctl = 0;
 588     }
 589     if ((st->ctl & 0x02) != (old & 0x02)) {
 590         uint32_t stnr = (st->ctl >> 20) & 0x0f;
 591         /* run bit flipped */
 592         if (st->ctl & 0x02) {
 593             /* start */
 594             dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
 595                    reg->stream, stnr, st->cbl);
 596             intel_hda_parse_bdl(d, st);
 597             intel_hda_notify_codecs(d, stnr, true);
 598         } else {
 599             /* stop */
 600             dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
 601             intel_hda_notify_codecs(d, stnr, false);
 602         }
 603     }
 604     intel_hda_update_irq(d);
 605 }
 606
 607 /* --------------------------------------------------------------------- */
 608
 609 #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
 610
 611 static const struct IntelHDAReg regtab[] = {
 612     /* global */
 613     [ ICH6_REG_GCAP ] = {
 614         .name     = "GCAP",
 615         .size     = 2,
 616         .reset    = 0x4401,
 617     },
 618     [ ICH6_REG_VMIN ] = {
 619         .name     = "VMIN",
 620         .size     = 1,
 621     },
 622     [ ICH6_REG_VMAJ ] = {
 623         .name     = "VMAJ",
 624         .size     = 1,
 625         .reset    = 1,
 626     },
 627     [ ICH6_REG_OUTPAY ] = {
 628         .name     = "OUTPAY",
 629         .size     = 2,
 630         .reset    = 0x3c,
 631     },
 632     [ ICH6_REG_INPAY ] = {
 633         .name     = "INPAY",
 634         .size     = 2,
 635         .reset    = 0x1d,
 636     },
 637     [ ICH6_REG_GCTL ] = {
 638         .name     = "GCTL",
 639         .size     = 4,
 640         .wmask    = 0x0103,
 641         .offset   = offsetof(IntelHDAState, g_ctl),
 642         .whandler = intel_hda_set_g_ctl,
 643     },
 644     [ ICH6_REG_WAKEEN ] = {
 645         .name     = "WAKEEN",
 646         .size     = 2,
 647         .wmask    = 0x7fff,
 648         .offset   = offsetof(IntelHDAState, wake_en),
 649         .whandler = intel_hda_set_wake_en,
 650     },
 651     [ ICH6_REG_STATESTS ] = {
 652         .name     = "STATESTS",
 653         .size     = 2,
 654         .wmask    = 0x7fff,
 655         .wclear   = 0x7fff,
 656         .offset   = offsetof(IntelHDAState, state_sts),
 657         .whandler = intel_hda_set_state_sts,
 658     },
 659
 660     /* interrupts */
 661     [ ICH6_REG_INTCTL ] = {
 662         .name     = "INTCTL",
 663         .size     = 4,
 664         .wmask    = 0xc00000ff,
 665         .offset   = offsetof(IntelHDAState, int_ctl),
 666         .whandler = intel_hda_set_int_ctl,
 667     },
 668     [ ICH6_REG_INTSTS ] = {
 669         .name     = "INTSTS",
 670         .size     = 4,
 671         .wmask    = 0xc00000ff,
 672         .wclear   = 0xc00000ff,
 673         .offset   = offsetof(IntelHDAState, int_sts),
 674     },
 675
 676     /* misc */
 677     [ ICH6_REG_WALLCLK ] = {
 678         .name     = "WALLCLK",
 679         .size     = 4,
 680         .offset   = offsetof(IntelHDAState, wall_clk),
 681         .rhandler = intel_hda_get_wall_clk,
 682     },
 683     [ ICH6_REG_WALLCLK + 0x2000 ] = {
 684         .name     = "WALLCLK(alias)",
 685         .size     = 4,
 686         .offset   = offsetof(IntelHDAState, wall_clk),
 687         .rhandler = intel_hda_get_wall_clk,
 688     },
 689
 690     /* dma engine */
 691     [ ICH6_REG_CORBLBASE ] = {
 692         .name     = "CORBLBASE",
 693         .size     = 4,
 694         .wmask    = 0xffffff80,
 695         .offset   = offsetof(IntelHDAState, corb_lbase),
 696     },
 697     [ ICH6_REG_CORBUBASE ] = {
 698         .name     = "CORBUBASE",
 699         .size     = 4,
 700         .wmask    = 0xffffffff,
 701         .offset   = offsetof(IntelHDAState, corb_ubase),
 702     },
 703     [ ICH6_REG_CORBWP ] = {
 704         .name     = "CORBWP",
 705         .size     = 2,
 706         .wmask    = 0xff,
 707         .offset   = offsetof(IntelHDAState, corb_wp),
 708         .whandler = intel_hda_set_corb_wp,
 709     },
 710     [ ICH6_REG_CORBRP ] = {
 711         .name     = "CORBRP",
 712         .size     = 2,
 713         .wmask    = 0x80ff,
 714         .offset   = offsetof(IntelHDAState, corb_rp),
 715     },
 716     [ ICH6_REG_CORBCTL ] = {
 717         .name     = "CORBCTL",
 718         .size     = 1,
 719         .wmask    = 0x03,
 720         .offset   = offsetof(IntelHDAState, corb_ctl),
 721         .whandler = intel_hda_set_corb_ctl,
 722     },
 723     [ ICH6_REG_CORBSTS ] = {
 724         .name     = "CORBSTS",
 725         .size     = 1,
 726         .wmask    = 0x01,
 727         .wclear   = 0x01,
 728         .offset   = offsetof(IntelHDAState, corb_sts),
 729     },
 730     [ ICH6_REG_CORBSIZE ] = {
 731         .name     = "CORBSIZE",
 732         .size     = 1,
 733         .reset    = 0x42,
 734         .offset   = offsetof(IntelHDAState, corb_size),
 735     },
 736     [ ICH6_REG_RIRBLBASE ] = {
 737         .name     = "RIRBLBASE",
 738         .size     = 4,
 739         .wmask    = 0xffffff80,
 740         .offset   = offsetof(IntelHDAState, rirb_lbase),
 741     },
 742     [ ICH6_REG_RIRBUBASE ] = {
 743         .name     = "RIRBUBASE",
 744         .size     = 4,
 745         .wmask    = 0xffffffff,
 746         .offset   = offsetof(IntelHDAState, rirb_ubase),
 747     },
 748     [ ICH6_REG_RIRBWP ] = {
 749         .name     = "RIRBWP",
 750         .size     = 2,
 751         .wmask    = 0x8000,
 752         .offset   = offsetof(IntelHDAState, rirb_wp),
 753         .whandler = intel_hda_set_rirb_wp,
 754     },
 755     [ ICH6_REG_RINTCNT ] = {
 756         .name     = "RINTCNT",
 757         .size     = 2,
 758         .wmask    = 0xff,
 759         .offset   = offsetof(IntelHDAState, rirb_cnt),
 760     },
 761     [ ICH6_REG_RIRBCTL ] = {
 762         .name     = "RIRBCTL",
 763         .size     = 1,
 764         .wmask    = 0x07,
 765         .offset   = offsetof(IntelHDAState, rirb_ctl),
 766     },
 767     [ ICH6_REG_RIRBSTS ] = {
 768         .name     = "RIRBSTS",
 769         .size     = 1,
 770         .wmask    = 0x05,
 771         .wclear   = 0x05,
 772         .offset   = offsetof(IntelHDAState, rirb_sts),
 773         .whandler = intel_hda_set_rirb_sts,
 774     },
 775     [ ICH6_REG_RIRBSIZE ] = {
 776         .name     = "RIRBSIZE",
 777         .size     = 1,
 778         .reset    = 0x42,
 779         .offset   = offsetof(IntelHDAState, rirb_size),
 780     },
 781
 782     [ ICH6_REG_DPLBASE ] = {
 783         .name     = "DPLBASE",
 784         .size     = 4,
 785         .wmask    = 0xffffff81,
 786         .offset   = offsetof(IntelHDAState, dp_lbase),
 787     },
 788     [ ICH6_REG_DPUBASE ] = {
 789         .name     = "DPUBASE",
 790         .size     = 4,
 791         .wmask    = 0xffffffff,
 792         .offset   = offsetof(IntelHDAState, dp_ubase),
 793     },
 794
 795     [ ICH6_REG_IC ] = {
 796         .name     = "ICW",
 797         .size     = 4,
 798         .wmask    = 0xffffffff,
 799         .offset   = offsetof(IntelHDAState, icw),
 800     },
 801     [ ICH6_REG_IR ] = {
 802         .name     = "IRR",
 803         .size     = 4,
 804         .offset   = offsetof(IntelHDAState, irr),
 805     },
 806     [ ICH6_REG_IRS ] = {
 807         .name     = "ICS",
 808         .size     = 2,
 809         .wmask    = 0x0003,
 810         .wclear   = 0x0002,
 811         .offset   = offsetof(IntelHDAState, ics),
 812         .whandler = intel_hda_set_ics,
 813     },
 814
 815 #define HDA_STREAM(_t, _i)                                            \
 816     [ ST_REG(_i, ICH6_REG_SD_CTL) ] = {                               \
 817         .stream   = _i,                                               \
 818         .name     = _t stringify(_i) " CTL",                          \
 819         .size     = 4,                                                \
 820         .wmask    = 0x1cff001f,                                       \
 821         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 822         .whandler = intel_hda_set_st_ctl,                             \
 823     },                                                                \
 824     [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = {                            \
 825         .stream   = _i,                                               \
 826         .name     = _t stringify(_i) " CTL(stnr)",                    \
 827         .size     = 1,                                                \
 828         .shift    = 16,                                               \
 829         .wmask    = 0x00ff0000,                                       \
 830         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 831         .whandler = intel_hda_set_st_ctl,                             \
 832     },                                                                \
 833     [ ST_REG(_i, ICH6_REG_SD_STS)] = {                                \
 834         .stream   = _i,                                               \
 835         .name     = _t stringify(_i) " CTL(sts)",                     \
 836         .size     = 1,                                                \
 837         .shift    = 24,                                               \
 838         .wmask    = 0x1c000000,                                       \
 839         .wclear   = 0x1c000000,                                       \
 840         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 841         .whandler = intel_hda_set_st_ctl,                             \
 842     },                                                                \
 843     [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = {                              \
 844         .stream   = _i,                                               \
 845         .name     = _t stringify(_i) " LPIB",                         \
 846         .size     = 4,                                                \
 847         .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
 848     },                                                                \
 849     [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = {                     \
 850         .stream   = _i,                                               \
 851         .name     = _t stringify(_i) " LPIB(alias)",                  \
 852         .size     = 4,                                                \
 853         .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
 854     },                                                                \
 855     [ ST_REG(_i, ICH6_REG_SD_CBL) ] = {                               \
 856         .stream   = _i,                                               \
 857         .name     = _t stringify(_i) " CBL",                          \
 858         .size     = 4,                                                \
 859         .wmask    = 0xffffffff,                                       \
 860         .offset   = offsetof(IntelHDAState, st[_i].cbl),              \
 861     },                                                                \
 862     [ ST_REG(_i, ICH6_REG_SD_LVI) ] = {                               \
 863         .stream   = _i,                                               \
 864         .name     = _t stringify(_i) " LVI",                          \
 865         .size     = 2,                                                \
 866         .wmask    = 0x00ff,                                           \
 867         .offset   = offsetof(IntelHDAState, st[_i].lvi),              \
 868     },                                                                \
 869     [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = {                          \
 870         .stream   = _i,                                               \
 871         .name     = _t stringify(_i) " FIFOS",                        \
 872         .size     = 2,                                                \
 873         .reset    = HDA_BUFFER_SIZE,                                  \
 874     },                                                                \
 875     [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = {                            \
 876         .stream   = _i,                                               \
 877         .name     = _t stringify(_i) " FMT",                          \
 878         .size     = 2,                                                \
 879         .wmask    = 0x7f7f,                                           \
 880         .offset   = offsetof(IntelHDAState, st[_i].fmt),              \
 881     },                                                                \
 882     [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = {                             \
 883         .stream   = _i,                                               \
 884         .name     = _t stringify(_i) " BDLPL",                        \
 885         .size     = 4,                                                \
 886         .wmask    = 0xffffff80,                                       \
 887         .offset   = offsetof(IntelHDAState, st[_i].bdlp_lbase),       \
 888     },                                                                \
 889     [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = {                             \
 890         .stream   = _i,                                               \
 891         .name     = _t stringify(_i) " BDLPU",                        \
 892         .size     = 4,                                                \
 893         .wmask    = 0xffffffff,                                       \
 894         .offset   = offsetof(IntelHDAState, st[_i].bdlp_ubase),       \
 895     },                                                                \
 896
 897     HDA_STREAM("IN", 0)
 898     HDA_STREAM("IN", 1)
 899     HDA_STREAM("IN", 2)
 900     HDA_STREAM("IN", 3)
 901
 902     HDA_STREAM("OUT", 4)
 903     HDA_STREAM("OUT", 5)
 904     HDA_STREAM("OUT", 6)
 905     HDA_STREAM("OUT", 7)
 906
 907 };
 908
 909 static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, target_phys_addr_t addr)
 910 {
 911     const IntelHDAReg *reg;
 912
 913     if (addr >= sizeof(regtab)/sizeof(regtab[0])) {
 914         goto noreg;
 915     }
 916     reg = regtab+addr;
 917     if (reg->name == NULL) {
 918         goto noreg;
 919     }
 920     return reg;
 921
 922 noreg:
 923     dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
 924     return NULL;
 925 }
 926
 927 static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
 928 {
 929     uint8_t *addr = (void*)d;
 930
 931     addr += reg->offset;
 932     return (uint32_t*)addr;
 933 }
 934
 935 static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
 936                                 uint32_t wmask)
 937 {
 938     uint32_t *addr;
 939     uint32_t old;
 940
 941     if (!reg) {
 942         return;
 943     }
 944
 945     if (d->debug) {
 946         time_t now = time(NULL);
 947         if (d->last_write && d->last_reg == reg && d->last_val == val) {
 948             d->repeat_count++;
 949             if (d->last_sec != now) {
 950                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
 951                 d->last_sec = now;
 952                 d->repeat_count = 0;
 953             }
 954         } else {
 955             if (d->repeat_count) {
 956                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
 957             }
 958             dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
 959             d->last_write = 1;
 960             d->last_reg   = reg;
 961             d->last_val   = val;
 962             d->last_sec   = now;
 963             d->repeat_count = 0;
 964         }
 965     }
 966     assert(reg->offset != 0);
 967
 968     addr = intel_hda_reg_addr(d, reg);
 969     old = *addr;
 970
 971     if (reg->shift) {
 972         val <<= reg->shift;
 973         wmask <<= reg->shift;
 974     }
 975     wmask &= reg->wmask;
 976     *addr &= ~wmask;
 977     *addr |= wmask & val;
 978     *addr &= ~(val & reg->wclear);
 979
 980     if (reg->whandler) {
 981         reg->whandler(d, reg, old);
 982     }
 983 }
 984
 985 static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
 986                                    uint32_t rmask)
 987 {
 988     uint32_t *addr, ret;
 989
 990     if (!reg) {
 991         return 0;
 992     }
 993
 994     if (reg->rhandler) {
 995         reg->rhandler(d, reg);
 996     }
 997
 998     if (reg->offset == 0) {
 999         /* constant read-only register */
1000         ret = reg->reset;
1001     } else {
1002         addr = intel_hda_reg_addr(d, reg);
1003         ret = *addr;
1004         if (reg->shift) {
1005             ret >>= reg->shift;
1006         }
1007         ret &= rmask;
1008     }
1009     if (d->debug) {
1010         time_t now = time(NULL);
1011         if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1012             d->repeat_count++;
1013             if (d->last_sec != now) {
1014                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1015                 d->last_sec = now;
1016                 d->repeat_count = 0;
1017             }
1018         } else {
1019             if (d->repeat_count) {
1020                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1021             }
1022             dprint(d, 2, "read  %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1023             d->last_write = 0;
1024             d->last_reg   = reg;
1025             d->last_val   = ret;
1026             d->last_sec   = now;
1027             d->repeat_count = 0;
1028         }
1029     }
1030     return ret;
1031 }
1032
1033 static void intel_hda_regs_reset(IntelHDAState *d)
1034 {
1035     uint32_t *addr;
1036     int i;
1037
1038     for (i = 0; i < sizeof(regtab)/sizeof(regtab[0]); i++) {
1039         if (regtab[i].name == NULL) {
1040             continue;
1041         }
1042         if (regtab[i].offset == 0) {
1043             continue;
1044         }
1045         addr = intel_hda_reg_addr(d, regtab + i);
1046         *addr = regtab[i].reset;
1047     }
1048 }
1049
1050 /* --------------------------------------------------------------------- */
1051
1052 static void intel_hda_mmio_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
1053 {
1054     IntelHDAState *d = opaque;
1055     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1056
1057     intel_hda_reg_write(d, reg, val, 0xff);
1058 }
1059
1060 static void intel_hda_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
1061 {
1062     IntelHDAState *d = opaque;
1063     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1064
1065     intel_hda_reg_write(d, reg, val, 0xffff);
1066 }
1067
1068 static void intel_hda_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
1069 {
1070     IntelHDAState *d = opaque;
1071     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1072
1073     intel_hda_reg_write(d, reg, val, 0xffffffff);
1074 }
1075
1076 static uint32_t intel_hda_mmio_readb(void *opaque, target_phys_addr_t addr)
1077 {
1078     IntelHDAState *d = opaque;
1079     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1080
1081     return intel_hda_reg_read(d, reg, 0xff);
1082 }
1083
1084 static uint32_t intel_hda_mmio_readw(void *opaque, target_phys_addr_t addr)
1085 {
1086     IntelHDAState *d = opaque;
1087     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1088
1089     return intel_hda_reg_read(d, reg, 0xffff);
1090 }
1091
1092 static uint32_t intel_hda_mmio_readl(void *opaque, target_phys_addr_t addr)
1093 {
1094     IntelHDAState *d = opaque;
1095     const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1096
1097     return intel_hda_reg_read(d, reg, 0xffffffff);
1098 }
1099
1100 static CPUReadMemoryFunc * const intel_hda_mmio_read[3] = {
1101     intel_hda_mmio_readb,
1102     intel_hda_mmio_readw,
1103     intel_hda_mmio_readl,
1104 };
1105
1106 static CPUWriteMemoryFunc * const intel_hda_mmio_write[3] = {
1107     intel_hda_mmio_writeb,
1108     intel_hda_mmio_writew,
1109     intel_hda_mmio_writel,
1110 };
1111
1112 /* --------------------------------------------------------------------- */
1113
1114 static void intel_hda_reset(DeviceState *dev)
1115 {
1116     IntelHDAState *d = DO_UPCAST(IntelHDAState, pci.qdev, dev);
1117     DeviceState *qdev;
1118     HDACodecDevice *cdev;
1119
1120     intel_hda_regs_reset(d);
1121     d->wall_base_ns = qemu_get_clock_ns(vm_clock);
1122
1123     /* reset codecs */
1124     QLIST_FOREACH(qdev, &d->codecs.qbus.children, sibling) {
1125         cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
1126         if (qdev->info->reset) {
1127             qdev->info->reset(qdev);
1128         }
1129         d->state_sts |= (1 << cdev->cad);
1130     }
1131     intel_hda_update_irq(d);
1132 }
1133
1134 static int intel_hda_init(PCIDevice *pci)
1135 {
1136     IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1137     uint8_t *conf = d->pci.config;
1138
1139     d->name = d->pci.qdev.info->name;
1140
1141     pci_config_set_vendor_id(conf, PCI_VENDOR_ID_INTEL);
1142     pci_config_set_device_id(conf, 0x2668);
1143     pci_config_set_revision(conf, 1);
1144     pci_config_set_class(conf, PCI_CLASS_MULTIMEDIA_HD_AUDIO);
1145     pci_config_set_interrupt_pin(conf, 1);
1146
1147     /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1148     conf[0x40] = 0x01;
1149
1150     d->mmio_addr = cpu_register_io_memory(intel_hda_mmio_read,
1151                                           intel_hda_mmio_write, d,
1152                                           DEVICE_NATIVE_ENDIAN);
1153     pci_register_bar_simple(&d->pci, 0, 0x4000, 0, d->mmio_addr);
1154     if (d->msi) {
1155         msi_init(&d->pci, 0x50, 1, true, false);
1156     }
1157
1158     hda_codec_bus_init(&d->pci.qdev, &d->codecs,
1159                        intel_hda_response, intel_hda_xfer);
1160
1161     return 0;
1162 }
1163
1164 static int intel_hda_exit(PCIDevice *pci)
1165 {
1166     IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1167
1168     msi_uninit(&d->pci);
1169     cpu_unregister_io_memory(d->mmio_addr);
1170     return 0;
1171 }
1172
1173 static void intel_hda_write_config(PCIDevice *pci, uint32_t addr,
1174                                    uint32_t val, int len)
1175 {
1176     IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
1177
1178     pci_default_write_config(pci, addr, val, len);
1179     if (d->msi) {
1180         msi_write_config(pci, addr, val, len);
1181     }
1182 }
1183
1184 static int intel_hda_post_load(void *opaque, int version)
1185 {
1186     IntelHDAState* d = opaque;
1187     int i;
1188
1189     dprint(d, 1, "%s\n", __FUNCTION__);
1190     for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1191         if (d->st[i].ctl & 0x02) {
1192             intel_hda_parse_bdl(d, &d->st[i]);
1193         }
1194     }
1195     intel_hda_update_irq(d);
1196     return 0;
1197 }
1198
1199 static const VMStateDescription vmstate_intel_hda_stream = {
1200     .name = "intel-hda-stream",
1201     .version_id = 1,
1202     .fields = (VMStateField []) {
1203         VMSTATE_UINT32(ctl, IntelHDAStream),
1204         VMSTATE_UINT32(lpib, IntelHDAStream),
1205         VMSTATE_UINT32(cbl, IntelHDAStream),
1206         VMSTATE_UINT32(lvi, IntelHDAStream),
1207         VMSTATE_UINT32(fmt, IntelHDAStream),
1208         VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1209         VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1210         VMSTATE_END_OF_LIST()
1211     }
1212 };
1213
1214 static const VMStateDescription vmstate_intel_hda = {
1215     .name = "intel-hda",
1216     .version_id = 1,
1217     .post_load = intel_hda_post_load,
1218     .fields = (VMStateField []) {
1219         VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1220
1221         /* registers */
1222         VMSTATE_UINT32(g_ctl, IntelHDAState),
1223         VMSTATE_UINT32(wake_en, IntelHDAState),
1224         VMSTATE_UINT32(state_sts, IntelHDAState),
1225         VMSTATE_UINT32(int_ctl, IntelHDAState),
1226         VMSTATE_UINT32(int_sts, IntelHDAState),
1227         VMSTATE_UINT32(wall_clk, IntelHDAState),
1228         VMSTATE_UINT32(corb_lbase, IntelHDAState),
1229         VMSTATE_UINT32(corb_ubase, IntelHDAState),
1230         VMSTATE_UINT32(corb_rp, IntelHDAState),
1231         VMSTATE_UINT32(corb_wp, IntelHDAState),
1232         VMSTATE_UINT32(corb_ctl, IntelHDAState),
1233         VMSTATE_UINT32(corb_sts, IntelHDAState),
1234         VMSTATE_UINT32(corb_size, IntelHDAState),
1235         VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1236         VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1237         VMSTATE_UINT32(rirb_wp, IntelHDAState),
1238         VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1239         VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1240         VMSTATE_UINT32(rirb_sts, IntelHDAState),
1241         VMSTATE_UINT32(rirb_size, IntelHDAState),
1242         VMSTATE_UINT32(dp_lbase, IntelHDAState),
1243         VMSTATE_UINT32(dp_ubase, IntelHDAState),
1244         VMSTATE_UINT32(icw, IntelHDAState),
1245         VMSTATE_UINT32(irr, IntelHDAState),
1246         VMSTATE_UINT32(ics, IntelHDAState),
1247         VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1248                              vmstate_intel_hda_stream,
1249                              IntelHDAStream),
1250
1251         /* additional state info */
1252         VMSTATE_UINT32(rirb_count, IntelHDAState),
1253         VMSTATE_INT64(wall_base_ns, IntelHDAState),
1254
1255         VMSTATE_END_OF_LIST()
1256     }
1257 };
1258
1259 static PCIDeviceInfo intel_hda_info = {
1260     .qdev.name    = "intel-hda",
1261     .qdev.desc    = "Intel HD Audio Controller",
1262     .qdev.size    = sizeof(IntelHDAState),
1263     .qdev.vmsd    = &vmstate_intel_hda,
1264     .qdev.reset   = intel_hda_reset,
1265     .init         = intel_hda_init,
1266     .exit         = intel_hda_exit,
1267     .config_write = intel_hda_write_config,
1268     .qdev.props   = (Property[]) {
1269         DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1270         DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
1271         DEFINE_PROP_END_OF_LIST(),
1272     }
1273 };
1274
1275 static void intel_hda_register(void)
1276 {
1277     pci_qdev_register(&intel_hda_info);
1278 }
1279 device_init(intel_hda_register);
1280
1281 /*
1282  * create intel hda controller with codec attached to it,
1283  * so '-soundhw hda' works.
1284  */
1285 int intel_hda_and_codec_init(PCIBus *bus)
1286 {
1287     PCIDevice *controller;
1288     BusState *hdabus;
1289     DeviceState *codec;
1290
1291     controller = pci_create_simple(bus, -1, "intel-hda");
1292     hdabus = QLIST_FIRST(&controller->qdev.child_bus);
1293     codec = qdev_create(hdabus, "hda-duplex");
1294     qdev_init_nofail(codec);
1295     return 0;
1296 }
1297