qemu/hw/audio/intel-hda.c
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   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 "qemu/osdep.h"
  21#include "hw/hw.h"
  22#include "hw/pci/pci.h"
  23#include "hw/pci/msi.h"
  24#include "qemu/timer.h"
  25#include "qemu/bitops.h"
  26#include "hw/audio/soundhw.h"
  27#include "intel-hda.h"
  28#include "intel-hda-defs.h"
  29#include "sysemu/dma.h"
  30#include "qapi/error.h"
  31
  32/* --------------------------------------------------------------------- */
  33/* hda bus                                                               */
  34
  35static Property hda_props[] = {
  36    DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
  37    DEFINE_PROP_END_OF_LIST()
  38};
  39
  40static const TypeInfo hda_codec_bus_info = {
  41    .name = TYPE_HDA_BUS,
  42    .parent = TYPE_BUS,
  43    .instance_size = sizeof(HDACodecBus),
  44};
  45
  46void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
  47                        hda_codec_response_func response,
  48                        hda_codec_xfer_func xfer)
  49{
  50    qbus_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
  51    bus->response = response;
  52    bus->xfer = xfer;
  53}
  54
  55static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
  56{
  57    HDACodecBus *bus = HDA_BUS(qdev->parent_bus);
  58    HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
  59    HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
  60
  61    if (dev->cad == -1) {
  62        dev->cad = bus->next_cad;
  63    }
  64    if (dev->cad >= 15) {
  65        error_setg(errp, "HDA audio codec address is full");
  66        return;
  67    }
  68    bus->next_cad = dev->cad + 1;
  69    if (cdc->init(dev) != 0) {
  70        error_setg(errp, "HDA audio init failed");
  71    }
  72}
  73
  74static void hda_codec_dev_unrealize(DeviceState *qdev, Error **errp)
  75{
  76    HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
  77    HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
  78
  79    if (cdc->exit) {
  80        cdc->exit(dev);
  81    }
  82}
  83
  84HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
  85{
  86    BusChild *kid;
  87    HDACodecDevice *cdev;
  88
  89    QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
  90        DeviceState *qdev = kid->child;
  91        cdev = HDA_CODEC_DEVICE(qdev);
  92        if (cdev->cad == cad) {
  93            return cdev;
  94        }
  95    }
  96    return NULL;
  97}
  98
  99void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
 100{
 101    HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
 102    bus->response(dev, solicited, response);
 103}
 104
 105bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
 106                    uint8_t *buf, uint32_t len)
 107{
 108    HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
 109    return bus->xfer(dev, stnr, output, buf, len);
 110}
 111
 112/* --------------------------------------------------------------------- */
 113/* intel hda emulation                                                   */
 114
 115typedef struct IntelHDAStream IntelHDAStream;
 116typedef struct IntelHDAState IntelHDAState;
 117typedef struct IntelHDAReg IntelHDAReg;
 118
 119typedef struct bpl {
 120    uint64_t addr;
 121    uint32_t len;
 122    uint32_t flags;
 123} bpl;
 124
 125struct IntelHDAStream {
 126    /* registers */
 127    uint32_t ctl;
 128    uint32_t lpib;
 129    uint32_t cbl;
 130    uint32_t lvi;
 131    uint32_t fmt;
 132    uint32_t bdlp_lbase;
 133    uint32_t bdlp_ubase;
 134
 135    /* state */
 136    bpl      *bpl;
 137    uint32_t bentries;
 138    uint32_t bsize, be, bp;
 139};
 140
 141struct IntelHDAState {
 142    PCIDevice pci;
 143    const char *name;
 144    HDACodecBus codecs;
 145
 146    /* registers */
 147    uint32_t g_ctl;
 148    uint32_t wake_en;
 149    uint32_t state_sts;
 150    uint32_t int_ctl;
 151    uint32_t int_sts;
 152    uint32_t wall_clk;
 153
 154    uint32_t corb_lbase;
 155    uint32_t corb_ubase;
 156    uint32_t corb_rp;
 157    uint32_t corb_wp;
 158    uint32_t corb_ctl;
 159    uint32_t corb_sts;
 160    uint32_t corb_size;
 161
 162    uint32_t rirb_lbase;
 163    uint32_t rirb_ubase;
 164    uint32_t rirb_wp;
 165    uint32_t rirb_cnt;
 166    uint32_t rirb_ctl;
 167    uint32_t rirb_sts;
 168    uint32_t rirb_size;
 169
 170    uint32_t dp_lbase;
 171    uint32_t dp_ubase;
 172
 173    uint32_t icw;
 174    uint32_t irr;
 175    uint32_t ics;
 176
 177    /* streams */
 178    IntelHDAStream st[8];
 179
 180    /* state */
 181    MemoryRegion mmio;
 182    uint32_t rirb_count;
 183    int64_t wall_base_ns;
 184
 185    /* debug logging */
 186    const IntelHDAReg *last_reg;
 187    uint32_t last_val;
 188    uint32_t last_write;
 189    uint32_t last_sec;
 190    uint32_t repeat_count;
 191
 192    /* properties */
 193    uint32_t debug;
 194    OnOffAuto msi;
 195    bool old_msi_addr;
 196};
 197
 198#define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
 199
 200#define INTEL_HDA(obj) \
 201    OBJECT_CHECK(IntelHDAState, (obj), TYPE_INTEL_HDA_GENERIC)
 202
 203struct IntelHDAReg {
 204    const char *name;      /* register name */
 205    uint32_t   size;       /* size in bytes */
 206    uint32_t   reset;      /* reset value */
 207    uint32_t   wmask;      /* write mask */
 208    uint32_t   wclear;     /* write 1 to clear bits */
 209    uint32_t   offset;     /* location in IntelHDAState */
 210    uint32_t   shift;      /* byte access entries for dwords */
 211    uint32_t   stream;
 212    void       (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
 213    void       (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
 214};
 215
 216static void intel_hda_reset(DeviceState *dev);
 217
 218/* --------------------------------------------------------------------- */
 219
 220static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
 221{
 222    return ((uint64_t)ubase << 32) | lbase;
 223}
 224
 225static void intel_hda_update_int_sts(IntelHDAState *d)
 226{
 227    uint32_t sts = 0;
 228    uint32_t i;
 229
 230    /* update controller status */
 231    if (d->rirb_sts & ICH6_RBSTS_IRQ) {
 232        sts |= (1 << 30);
 233    }
 234    if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
 235        sts |= (1 << 30);
 236    }
 237    if (d->state_sts & d->wake_en) {
 238        sts |= (1 << 30);
 239    }
 240
 241    /* update stream status */
 242    for (i = 0; i < 8; i++) {
 243        /* buffer completion interrupt */
 244        if (d->st[i].ctl & (1 << 26)) {
 245            sts |= (1 << i);
 246        }
 247    }
 248
 249    /* update global status */
 250    if (sts & d->int_ctl) {
 251        sts |= (1U << 31);
 252    }
 253
 254    d->int_sts = sts;
 255}
 256
 257static void intel_hda_update_irq(IntelHDAState *d)
 258{
 259    bool msi = msi_enabled(&d->pci);
 260    int level;
 261
 262    intel_hda_update_int_sts(d);
 263    if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
 264        level = 1;
 265    } else {
 266        level = 0;
 267    }
 268    dprint(d, 2, "%s: level %d [%s]\n", __func__,
 269           level, msi ? "msi" : "intx");
 270    if (msi) {
 271        if (level) {
 272            msi_notify(&d->pci, 0);
 273        }
 274    } else {
 275        pci_set_irq(&d->pci, level);
 276    }
 277}
 278
 279static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
 280{
 281    uint32_t cad, nid, data;
 282    HDACodecDevice *codec;
 283    HDACodecDeviceClass *cdc;
 284
 285    cad = (verb >> 28) & 0x0f;
 286    if (verb & (1 << 27)) {
 287        /* indirect node addressing, not specified in HDA 1.0 */
 288        dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__);
 289        return -1;
 290    }
 291    nid = (verb >> 20) & 0x7f;
 292    data = verb & 0xfffff;
 293
 294    codec = hda_codec_find(&d->codecs, cad);
 295    if (codec == NULL) {
 296        dprint(d, 1, "%s: addressed non-existing codec\n", __func__);
 297        return -1;
 298    }
 299    cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
 300    cdc->command(codec, nid, data);
 301    return 0;
 302}
 303
 304static void intel_hda_corb_run(IntelHDAState *d)
 305{
 306    hwaddr addr;
 307    uint32_t rp, verb;
 308
 309    if (d->ics & ICH6_IRS_BUSY) {
 310        dprint(d, 2, "%s: [icw] verb 0x%08x\n", __func__, d->icw);
 311        intel_hda_send_command(d, d->icw);
 312        return;
 313    }
 314
 315    for (;;) {
 316        if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
 317            dprint(d, 2, "%s: !run\n", __func__);
 318            return;
 319        }
 320        if ((d->corb_rp & 0xff) == d->corb_wp) {
 321            dprint(d, 2, "%s: corb ring empty\n", __func__);
 322            return;
 323        }
 324        if (d->rirb_count == d->rirb_cnt) {
 325            dprint(d, 2, "%s: rirb count reached\n", __func__);
 326            return;
 327        }
 328
 329        rp = (d->corb_rp + 1) & 0xff;
 330        addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
 331        verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
 332        d->corb_rp = rp;
 333
 334        dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__, rp, verb);
 335        intel_hda_send_command(d, verb);
 336    }
 337}
 338
 339static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
 340{
 341    HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
 342    IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
 343    hwaddr addr;
 344    uint32_t wp, ex;
 345
 346    if (d->ics & ICH6_IRS_BUSY) {
 347        dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
 348               __func__, response, dev->cad);
 349        d->irr = response;
 350        d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
 351        d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
 352        return;
 353    }
 354
 355    if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
 356        dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __func__);
 357        return;
 358    }
 359
 360    ex = (solicited ? 0 : (1 << 4)) | dev->cad;
 361    wp = (d->rirb_wp + 1) & 0xff;
 362    addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
 363    stl_le_pci_dma(&d->pci, addr + 8*wp, response);
 364    stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
 365    d->rirb_wp = wp;
 366
 367    dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
 368           __func__, wp, response, ex);
 369
 370    d->rirb_count++;
 371    if (d->rirb_count == d->rirb_cnt) {
 372        dprint(d, 2, "%s: rirb count reached (%d)\n", __func__, d->rirb_count);
 373        if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
 374            d->rirb_sts |= ICH6_RBSTS_IRQ;
 375            intel_hda_update_irq(d);
 376        }
 377    } else if ((d->corb_rp & 0xff) == d->corb_wp) {
 378        dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __func__,
 379               d->rirb_count, d->rirb_cnt);
 380        if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
 381            d->rirb_sts |= ICH6_RBSTS_IRQ;
 382            intel_hda_update_irq(d);
 383        }
 384    }
 385}
 386
 387static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
 388                           uint8_t *buf, uint32_t len)
 389{
 390    HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
 391    IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
 392    hwaddr addr;
 393    uint32_t s, copy, left;
 394    IntelHDAStream *st;
 395    bool irq = false;
 396
 397    st = output ? d->st + 4 : d->st;
 398    for (s = 0; s < 4; s++) {
 399        if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
 400            st = st + s;
 401            break;
 402        }
 403    }
 404    if (s == 4) {
 405        return false;
 406    }
 407    if (st->bpl == NULL) {
 408        return false;
 409    }
 410    if (st->ctl & (1 << 26)) {
 411        /*
 412         * Wait with the next DMA xfer until the guest
 413         * has acked the buffer completion interrupt
 414         */
 415        return false;
 416    }
 417
 418    left = len;
 419    s = st->bentries;
 420    while (left > 0 && s-- > 0) {
 421        copy = left;
 422        if (copy > st->bsize - st->lpib)
 423            copy = st->bsize - st->lpib;
 424        if (copy > st->bpl[st->be].len - st->bp)
 425            copy = st->bpl[st->be].len - st->bp;
 426
 427        dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
 428               st->be, st->bp, st->bpl[st->be].len, copy);
 429
 430        pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
 431        st->lpib += copy;
 432        st->bp += copy;
 433        buf += copy;
 434        left -= copy;
 435
 436        if (st->bpl[st->be].len == st->bp) {
 437            /* bpl entry filled */
 438            if (st->bpl[st->be].flags & 0x01) {
 439                irq = true;
 440            }
 441            st->bp = 0;
 442            st->be++;
 443            if (st->be == st->bentries) {
 444                /* bpl wrap around */
 445                st->be = 0;
 446                st->lpib = 0;
 447            }
 448        }
 449    }
 450    if (d->dp_lbase & 0x01) {
 451        s = st - d->st;
 452        addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
 453        stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
 454    }
 455    dprint(d, 3, "dma: --\n");
 456
 457    if (irq) {
 458        st->ctl |= (1 << 26); /* buffer completion interrupt */
 459        intel_hda_update_irq(d);
 460    }
 461    return true;
 462}
 463
 464static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
 465{
 466    hwaddr addr;
 467    uint8_t buf[16];
 468    uint32_t i;
 469
 470    addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
 471    st->bentries = st->lvi +1;
 472    g_free(st->bpl);
 473    st->bpl = g_malloc(sizeof(bpl) * st->bentries);
 474    for (i = 0; i < st->bentries; i++, addr += 16) {
 475        pci_dma_read(&d->pci, addr, buf, 16);
 476        st->bpl[i].addr  = le64_to_cpu(*(uint64_t *)buf);
 477        st->bpl[i].len   = le32_to_cpu(*(uint32_t *)(buf + 8));
 478        st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
 479        dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
 480               i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
 481    }
 482
 483    st->bsize = st->cbl;
 484    st->lpib  = 0;
 485    st->be    = 0;
 486    st->bp    = 0;
 487}
 488
 489static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
 490{
 491    BusChild *kid;
 492    HDACodecDevice *cdev;
 493
 494    QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
 495        DeviceState *qdev = kid->child;
 496        HDACodecDeviceClass *cdc;
 497
 498        cdev = HDA_CODEC_DEVICE(qdev);
 499        cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
 500        if (cdc->stream) {
 501            cdc->stream(cdev, stream, running, output);
 502        }
 503    }
 504}
 505
 506/* --------------------------------------------------------------------- */
 507
 508static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 509{
 510    if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
 511        intel_hda_reset(DEVICE(d));
 512    }
 513}
 514
 515static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 516{
 517    intel_hda_update_irq(d);
 518}
 519
 520static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 521{
 522    intel_hda_update_irq(d);
 523}
 524
 525static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 526{
 527    intel_hda_update_irq(d);
 528}
 529
 530static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
 531{
 532    int64_t ns;
 533
 534    ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
 535    d->wall_clk = (uint32_t)(ns * 24 / 1000);  /* 24 MHz */
 536}
 537
 538static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 539{
 540    intel_hda_corb_run(d);
 541}
 542
 543static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 544{
 545    intel_hda_corb_run(d);
 546}
 547
 548static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 549{
 550    if (d->rirb_wp & ICH6_RIRBWP_RST) {
 551        d->rirb_wp = 0;
 552    }
 553}
 554
 555static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 556{
 557    intel_hda_update_irq(d);
 558
 559    if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
 560        /* cleared ICH6_RBSTS_IRQ */
 561        d->rirb_count = 0;
 562        intel_hda_corb_run(d);
 563    }
 564}
 565
 566static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 567{
 568    if (d->ics & ICH6_IRS_BUSY) {
 569        intel_hda_corb_run(d);
 570    }
 571}
 572
 573static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
 574{
 575    bool output = reg->stream >= 4;
 576    IntelHDAStream *st = d->st + reg->stream;
 577
 578    if (st->ctl & 0x01) {
 579        /* reset */
 580        dprint(d, 1, "st #%d: reset\n", reg->stream);
 581        st->ctl = SD_STS_FIFO_READY << 24;
 582    }
 583    if ((st->ctl & 0x02) != (old & 0x02)) {
 584        uint32_t stnr = (st->ctl >> 20) & 0x0f;
 585        /* run bit flipped */
 586        if (st->ctl & 0x02) {
 587            /* start */
 588            dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
 589                   reg->stream, stnr, st->cbl);
 590            intel_hda_parse_bdl(d, st);
 591            intel_hda_notify_codecs(d, stnr, true, output);
 592        } else {
 593            /* stop */
 594            dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
 595            intel_hda_notify_codecs(d, stnr, false, output);
 596        }
 597    }
 598    intel_hda_update_irq(d);
 599}
 600
 601/* --------------------------------------------------------------------- */
 602
 603#define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
 604
 605static const struct IntelHDAReg regtab[] = {
 606    /* global */
 607    [ ICH6_REG_GCAP ] = {
 608        .name     = "GCAP",
 609        .size     = 2,
 610        .reset    = 0x4401,
 611    },
 612    [ ICH6_REG_VMIN ] = {
 613        .name     = "VMIN",
 614        .size     = 1,
 615    },
 616    [ ICH6_REG_VMAJ ] = {
 617        .name     = "VMAJ",
 618        .size     = 1,
 619        .reset    = 1,
 620    },
 621    [ ICH6_REG_OUTPAY ] = {
 622        .name     = "OUTPAY",
 623        .size     = 2,
 624        .reset    = 0x3c,
 625    },
 626    [ ICH6_REG_INPAY ] = {
 627        .name     = "INPAY",
 628        .size     = 2,
 629        .reset    = 0x1d,
 630    },
 631    [ ICH6_REG_GCTL ] = {
 632        .name     = "GCTL",
 633        .size     = 4,
 634        .wmask    = 0x0103,
 635        .offset   = offsetof(IntelHDAState, g_ctl),
 636        .whandler = intel_hda_set_g_ctl,
 637    },
 638    [ ICH6_REG_WAKEEN ] = {
 639        .name     = "WAKEEN",
 640        .size     = 2,
 641        .wmask    = 0x7fff,
 642        .offset   = offsetof(IntelHDAState, wake_en),
 643        .whandler = intel_hda_set_wake_en,
 644    },
 645    [ ICH6_REG_STATESTS ] = {
 646        .name     = "STATESTS",
 647        .size     = 2,
 648        .wmask    = 0x7fff,
 649        .wclear   = 0x7fff,
 650        .offset   = offsetof(IntelHDAState, state_sts),
 651        .whandler = intel_hda_set_state_sts,
 652    },
 653
 654    /* interrupts */
 655    [ ICH6_REG_INTCTL ] = {
 656        .name     = "INTCTL",
 657        .size     = 4,
 658        .wmask    = 0xc00000ff,
 659        .offset   = offsetof(IntelHDAState, int_ctl),
 660        .whandler = intel_hda_set_int_ctl,
 661    },
 662    [ ICH6_REG_INTSTS ] = {
 663        .name     = "INTSTS",
 664        .size     = 4,
 665        .wmask    = 0xc00000ff,
 666        .wclear   = 0xc00000ff,
 667        .offset   = offsetof(IntelHDAState, int_sts),
 668    },
 669
 670    /* misc */
 671    [ ICH6_REG_WALLCLK ] = {
 672        .name     = "WALLCLK",
 673        .size     = 4,
 674        .offset   = offsetof(IntelHDAState, wall_clk),
 675        .rhandler = intel_hda_get_wall_clk,
 676    },
 677    [ ICH6_REG_WALLCLK + 0x2000 ] = {
 678        .name     = "WALLCLK(alias)",
 679        .size     = 4,
 680        .offset   = offsetof(IntelHDAState, wall_clk),
 681        .rhandler = intel_hda_get_wall_clk,
 682    },
 683
 684    /* dma engine */
 685    [ ICH6_REG_CORBLBASE ] = {
 686        .name     = "CORBLBASE",
 687        .size     = 4,
 688        .wmask    = 0xffffff80,
 689        .offset   = offsetof(IntelHDAState, corb_lbase),
 690    },
 691    [ ICH6_REG_CORBUBASE ] = {
 692        .name     = "CORBUBASE",
 693        .size     = 4,
 694        .wmask    = 0xffffffff,
 695        .offset   = offsetof(IntelHDAState, corb_ubase),
 696    },
 697    [ ICH6_REG_CORBWP ] = {
 698        .name     = "CORBWP",
 699        .size     = 2,
 700        .wmask    = 0xff,
 701        .offset   = offsetof(IntelHDAState, corb_wp),
 702        .whandler = intel_hda_set_corb_wp,
 703    },
 704    [ ICH6_REG_CORBRP ] = {
 705        .name     = "CORBRP",
 706        .size     = 2,
 707        .wmask    = 0x80ff,
 708        .offset   = offsetof(IntelHDAState, corb_rp),
 709    },
 710    [ ICH6_REG_CORBCTL ] = {
 711        .name     = "CORBCTL",
 712        .size     = 1,
 713        .wmask    = 0x03,
 714        .offset   = offsetof(IntelHDAState, corb_ctl),
 715        .whandler = intel_hda_set_corb_ctl,
 716    },
 717    [ ICH6_REG_CORBSTS ] = {
 718        .name     = "CORBSTS",
 719        .size     = 1,
 720        .wmask    = 0x01,
 721        .wclear   = 0x01,
 722        .offset   = offsetof(IntelHDAState, corb_sts),
 723    },
 724    [ ICH6_REG_CORBSIZE ] = {
 725        .name     = "CORBSIZE",
 726        .size     = 1,
 727        .reset    = 0x42,
 728        .offset   = offsetof(IntelHDAState, corb_size),
 729    },
 730    [ ICH6_REG_RIRBLBASE ] = {
 731        .name     = "RIRBLBASE",
 732        .size     = 4,
 733        .wmask    = 0xffffff80,
 734        .offset   = offsetof(IntelHDAState, rirb_lbase),
 735    },
 736    [ ICH6_REG_RIRBUBASE ] = {
 737        .name     = "RIRBUBASE",
 738        .size     = 4,
 739        .wmask    = 0xffffffff,
 740        .offset   = offsetof(IntelHDAState, rirb_ubase),
 741    },
 742    [ ICH6_REG_RIRBWP ] = {
 743        .name     = "RIRBWP",
 744        .size     = 2,
 745        .wmask    = 0x8000,
 746        .offset   = offsetof(IntelHDAState, rirb_wp),
 747        .whandler = intel_hda_set_rirb_wp,
 748    },
 749    [ ICH6_REG_RINTCNT ] = {
 750        .name     = "RINTCNT",
 751        .size     = 2,
 752        .wmask    = 0xff,
 753        .offset   = offsetof(IntelHDAState, rirb_cnt),
 754    },
 755    [ ICH6_REG_RIRBCTL ] = {
 756        .name     = "RIRBCTL",
 757        .size     = 1,
 758        .wmask    = 0x07,
 759        .offset   = offsetof(IntelHDAState, rirb_ctl),
 760    },
 761    [ ICH6_REG_RIRBSTS ] = {
 762        .name     = "RIRBSTS",
 763        .size     = 1,
 764        .wmask    = 0x05,
 765        .wclear   = 0x05,
 766        .offset   = offsetof(IntelHDAState, rirb_sts),
 767        .whandler = intel_hda_set_rirb_sts,
 768    },
 769    [ ICH6_REG_RIRBSIZE ] = {
 770        .name     = "RIRBSIZE",
 771        .size     = 1,
 772        .reset    = 0x42,
 773        .offset   = offsetof(IntelHDAState, rirb_size),
 774    },
 775
 776    [ ICH6_REG_DPLBASE ] = {
 777        .name     = "DPLBASE",
 778        .size     = 4,
 779        .wmask    = 0xffffff81,
 780        .offset   = offsetof(IntelHDAState, dp_lbase),
 781    },
 782    [ ICH6_REG_DPUBASE ] = {
 783        .name     = "DPUBASE",
 784        .size     = 4,
 785        .wmask    = 0xffffffff,
 786        .offset   = offsetof(IntelHDAState, dp_ubase),
 787    },
 788
 789    [ ICH6_REG_IC ] = {
 790        .name     = "ICW",
 791        .size     = 4,
 792        .wmask    = 0xffffffff,
 793        .offset   = offsetof(IntelHDAState, icw),
 794    },
 795    [ ICH6_REG_IR ] = {
 796        .name     = "IRR",
 797        .size     = 4,
 798        .offset   = offsetof(IntelHDAState, irr),
 799    },
 800    [ ICH6_REG_IRS ] = {
 801        .name     = "ICS",
 802        .size     = 2,
 803        .wmask    = 0x0003,
 804        .wclear   = 0x0002,
 805        .offset   = offsetof(IntelHDAState, ics),
 806        .whandler = intel_hda_set_ics,
 807    },
 808
 809#define HDA_STREAM(_t, _i)                                            \
 810    [ ST_REG(_i, ICH6_REG_SD_CTL) ] = {                               \
 811        .stream   = _i,                                               \
 812        .name     = _t stringify(_i) " CTL",                          \
 813        .size     = 4,                                                \
 814        .wmask    = 0x1cff001f,                                       \
 815        .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 816        .whandler = intel_hda_set_st_ctl,                             \
 817    },                                                                \
 818    [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = {                            \
 819        .stream   = _i,                                               \
 820        .name     = _t stringify(_i) " CTL(stnr)",                    \
 821        .size     = 1,                                                \
 822        .shift    = 16,                                               \
 823        .wmask    = 0x00ff0000,                                       \
 824        .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 825        .whandler = intel_hda_set_st_ctl,                             \
 826    },                                                                \
 827    [ ST_REG(_i, ICH6_REG_SD_STS)] = {                                \
 828        .stream   = _i,                                               \
 829        .name     = _t stringify(_i) " CTL(sts)",                     \
 830        .size     = 1,                                                \
 831        .shift    = 24,                                               \
 832        .wmask    = 0x1c000000,                                       \
 833        .wclear   = 0x1c000000,                                       \
 834        .offset   = offsetof(IntelHDAState, st[_i].ctl),              \
 835        .whandler = intel_hda_set_st_ctl,                             \
 836        .reset    = SD_STS_FIFO_READY << 24                           \
 837    },                                                                \
 838    [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = {                              \
 839        .stream   = _i,                                               \
 840        .name     = _t stringify(_i) " LPIB",                         \
 841        .size     = 4,                                                \
 842        .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
 843    },                                                                \
 844    [ ST_REG(_i, ICH6_REG_SD_LPIB) + 0x2000 ] = {                     \
 845        .stream   = _i,                                               \
 846        .name     = _t stringify(_i) " LPIB(alias)",                  \
 847        .size     = 4,                                                \
 848        .offset   = offsetof(IntelHDAState, st[_i].lpib),             \
 849    },                                                                \
 850    [ ST_REG(_i, ICH6_REG_SD_CBL) ] = {                               \
 851        .stream   = _i,                                               \
 852        .name     = _t stringify(_i) " CBL",                          \
 853        .size     = 4,                                                \
 854        .wmask    = 0xffffffff,                                       \
 855        .offset   = offsetof(IntelHDAState, st[_i].cbl),              \
 856    },                                                                \
 857    [ ST_REG(_i, ICH6_REG_SD_LVI) ] = {                               \
 858        .stream   = _i,                                               \
 859        .name     = _t stringify(_i) " LVI",                          \
 860        .size     = 2,                                                \
 861        .wmask    = 0x00ff,                                           \
 862        .offset   = offsetof(IntelHDAState, st[_i].lvi),              \
 863    },                                                                \
 864    [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = {                          \
 865        .stream   = _i,                                               \
 866        .name     = _t stringify(_i) " FIFOS",                        \
 867        .size     = 2,                                                \
 868        .reset    = HDA_BUFFER_SIZE,                                  \
 869    },                                                                \
 870    [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = {                            \
 871        .stream   = _i,                                               \
 872        .name     = _t stringify(_i) " FMT",                          \
 873        .size     = 2,                                                \
 874        .wmask    = 0x7f7f,                                           \
 875        .offset   = offsetof(IntelHDAState, st[_i].fmt),              \
 876    },                                                                \
 877    [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = {                             \
 878        .stream   = _i,                                               \
 879        .name     = _t stringify(_i) " BDLPL",                        \
 880        .size     = 4,                                                \
 881        .wmask    = 0xffffff80,                                       \
 882        .offset   = offsetof(IntelHDAState, st[_i].bdlp_lbase),       \
 883    },                                                                \
 884    [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = {                             \
 885        .stream   = _i,                                               \
 886        .name     = _t stringify(_i) " BDLPU",                        \
 887        .size     = 4,                                                \
 888        .wmask    = 0xffffffff,                                       \
 889        .offset   = offsetof(IntelHDAState, st[_i].bdlp_ubase),       \
 890    },                                                                \
 891
 892    HDA_STREAM("IN", 0)
 893    HDA_STREAM("IN", 1)
 894    HDA_STREAM("IN", 2)
 895    HDA_STREAM("IN", 3)
 896
 897    HDA_STREAM("OUT", 4)
 898    HDA_STREAM("OUT", 5)
 899    HDA_STREAM("OUT", 6)
 900    HDA_STREAM("OUT", 7)
 901
 902};
 903
 904static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
 905{
 906    const IntelHDAReg *reg;
 907
 908    if (addr >= ARRAY_SIZE(regtab)) {
 909        goto noreg;
 910    }
 911    reg = regtab+addr;
 912    if (reg->name == NULL) {
 913        goto noreg;
 914    }
 915    return reg;
 916
 917noreg:
 918    dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
 919    return NULL;
 920}
 921
 922static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
 923{
 924    uint8_t *addr = (void*)d;
 925
 926    addr += reg->offset;
 927    return (uint32_t*)addr;
 928}
 929
 930static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
 931                                uint32_t wmask)
 932{
 933    uint32_t *addr;
 934    uint32_t old;
 935
 936    if (!reg) {
 937        return;
 938    }
 939
 940    if (d->debug) {
 941        time_t now = time(NULL);
 942        if (d->last_write && d->last_reg == reg && d->last_val == val) {
 943            d->repeat_count++;
 944            if (d->last_sec != now) {
 945                dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
 946                d->last_sec = now;
 947                d->repeat_count = 0;
 948            }
 949        } else {
 950            if (d->repeat_count) {
 951                dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
 952            }
 953            dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
 954            d->last_write = 1;
 955            d->last_reg   = reg;
 956            d->last_val   = val;
 957            d->last_sec   = now;
 958            d->repeat_count = 0;
 959        }
 960    }
 961    assert(reg->offset != 0);
 962
 963    addr = intel_hda_reg_addr(d, reg);
 964    old = *addr;
 965
 966    if (reg->shift) {
 967        val <<= reg->shift;
 968        wmask <<= reg->shift;
 969    }
 970    wmask &= reg->wmask;
 971    *addr &= ~wmask;
 972    *addr |= wmask & val;
 973    *addr &= ~(val & reg->wclear);
 974
 975    if (reg->whandler) {
 976        reg->whandler(d, reg, old);
 977    }
 978}
 979
 980static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
 981                                   uint32_t rmask)
 982{
 983    uint32_t *addr, ret;
 984
 985    if (!reg) {
 986        return 0;
 987    }
 988
 989    if (reg->rhandler) {
 990        reg->rhandler(d, reg);
 991    }
 992
 993    if (reg->offset == 0) {
 994        /* constant read-only register */
 995        ret = reg->reset;
 996    } else {
 997        addr = intel_hda_reg_addr(d, reg);
 998        ret = *addr;
 999        if (reg->shift) {
1000            ret >>= reg->shift;
1001        }
1002        ret &= rmask;
1003    }
1004    if (d->debug) {
1005        time_t now = time(NULL);
1006        if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1007            d->repeat_count++;
1008            if (d->last_sec != now) {
1009                dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1010                d->last_sec = now;
1011                d->repeat_count = 0;
1012            }
1013        } else {
1014            if (d->repeat_count) {
1015                dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1016            }
1017            dprint(d, 2, "read  %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1018            d->last_write = 0;
1019            d->last_reg   = reg;
1020            d->last_val   = ret;
1021            d->last_sec   = now;
1022            d->repeat_count = 0;
1023        }
1024    }
1025    return ret;
1026}
1027
1028static void intel_hda_regs_reset(IntelHDAState *d)
1029{
1030    uint32_t *addr;
1031    int i;
1032
1033    for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1034        if (regtab[i].name == NULL) {
1035            continue;
1036        }
1037        if (regtab[i].offset == 0) {
1038            continue;
1039        }
1040        addr = intel_hda_reg_addr(d, regtab + i);
1041        *addr = regtab[i].reset;
1042    }
1043}
1044
1045/* --------------------------------------------------------------------- */
1046
1047static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val,
1048                                 unsigned size)
1049{
1050    IntelHDAState *d = opaque;
1051    const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1052
1053    intel_hda_reg_write(d, reg, val, MAKE_64BIT_MASK(0, size * 8));
1054}
1055
1056static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
1057{
1058    IntelHDAState *d = opaque;
1059    const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1060
1061    return intel_hda_reg_read(d, reg, MAKE_64BIT_MASK(0, size * 8));
1062}
1063
1064static const MemoryRegionOps intel_hda_mmio_ops = {
1065    .read = intel_hda_mmio_read,
1066    .write = intel_hda_mmio_write,
1067    .impl = {
1068        .min_access_size = 1,
1069        .max_access_size = 4,
1070    },
1071    .endianness = DEVICE_NATIVE_ENDIAN,
1072};
1073
1074/* --------------------------------------------------------------------- */
1075
1076static void intel_hda_reset(DeviceState *dev)
1077{
1078    BusChild *kid;
1079    IntelHDAState *d = INTEL_HDA(dev);
1080    HDACodecDevice *cdev;
1081
1082    intel_hda_regs_reset(d);
1083    d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1084
1085    /* reset codecs */
1086    QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1087        DeviceState *qdev = kid->child;
1088        cdev = HDA_CODEC_DEVICE(qdev);
1089        device_reset(DEVICE(cdev));
1090        d->state_sts |= (1 << cdev->cad);
1091    }
1092    intel_hda_update_irq(d);
1093}
1094
1095static void intel_hda_realize(PCIDevice *pci, Error **errp)
1096{
1097    IntelHDAState *d = INTEL_HDA(pci);
1098    uint8_t *conf = d->pci.config;
1099    Error *err = NULL;
1100    int ret;
1101
1102    d->name = object_get_typename(OBJECT(d));
1103
1104    pci_config_set_interrupt_pin(conf, 1);
1105
1106    /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */
1107    conf[0x40] = 0x01;
1108
1109    if (d->msi != ON_OFF_AUTO_OFF) {
1110        ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60,
1111                       1, true, false, &err);
1112        /* Any error other than -ENOTSUP(board's MSI support is broken)
1113         * is a programming error */
1114        assert(!ret || ret == -ENOTSUP);
1115        if (ret && d->msi == ON_OFF_AUTO_ON) {
1116            /* Can't satisfy user's explicit msi=on request, fail */
1117            error_append_hint(&err, "You have to use msi=auto (default) or "
1118                    "msi=off with this machine type.\n");
1119            error_propagate(errp, err);
1120            return;
1121        }
1122        assert(!err || d->msi == ON_OFF_AUTO_AUTO);
1123        /* With msi=auto, we fall back to MSI off silently */
1124        error_free(err);
1125    }
1126
1127    memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1128                          "intel-hda", 0x4000);
1129    pci_register_bar(&d->pci, 0, 0, &d->mmio);
1130
1131    hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1132                       intel_hda_response, intel_hda_xfer);
1133}
1134
1135static void intel_hda_exit(PCIDevice *pci)
1136{
1137    IntelHDAState *d = INTEL_HDA(pci);
1138
1139    msi_uninit(&d->pci);
1140}
1141
1142static int intel_hda_post_load(void *opaque, int version)
1143{
1144    IntelHDAState* d = opaque;
1145    int i;
1146
1147    dprint(d, 1, "%s\n", __func__);
1148    for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1149        if (d->st[i].ctl & 0x02) {
1150            intel_hda_parse_bdl(d, &d->st[i]);
1151        }
1152    }
1153    intel_hda_update_irq(d);
1154    return 0;
1155}
1156
1157static const VMStateDescription vmstate_intel_hda_stream = {
1158    .name = "intel-hda-stream",
1159    .version_id = 1,
1160    .fields = (VMStateField[]) {
1161        VMSTATE_UINT32(ctl, IntelHDAStream),
1162        VMSTATE_UINT32(lpib, IntelHDAStream),
1163        VMSTATE_UINT32(cbl, IntelHDAStream),
1164        VMSTATE_UINT32(lvi, IntelHDAStream),
1165        VMSTATE_UINT32(fmt, IntelHDAStream),
1166        VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1167        VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1168        VMSTATE_END_OF_LIST()
1169    }
1170};
1171
1172static const VMStateDescription vmstate_intel_hda = {
1173    .name = "intel-hda",
1174    .version_id = 1,
1175    .post_load = intel_hda_post_load,
1176    .fields = (VMStateField[]) {
1177        VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1178
1179        /* registers */
1180        VMSTATE_UINT32(g_ctl, IntelHDAState),
1181        VMSTATE_UINT32(wake_en, IntelHDAState),
1182        VMSTATE_UINT32(state_sts, IntelHDAState),
1183        VMSTATE_UINT32(int_ctl, IntelHDAState),
1184        VMSTATE_UINT32(int_sts, IntelHDAState),
1185        VMSTATE_UINT32(wall_clk, IntelHDAState),
1186        VMSTATE_UINT32(corb_lbase, IntelHDAState),
1187        VMSTATE_UINT32(corb_ubase, IntelHDAState),
1188        VMSTATE_UINT32(corb_rp, IntelHDAState),
1189        VMSTATE_UINT32(corb_wp, IntelHDAState),
1190        VMSTATE_UINT32(corb_ctl, IntelHDAState),
1191        VMSTATE_UINT32(corb_sts, IntelHDAState),
1192        VMSTATE_UINT32(corb_size, IntelHDAState),
1193        VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1194        VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1195        VMSTATE_UINT32(rirb_wp, IntelHDAState),
1196        VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1197        VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1198        VMSTATE_UINT32(rirb_sts, IntelHDAState),
1199        VMSTATE_UINT32(rirb_size, IntelHDAState),
1200        VMSTATE_UINT32(dp_lbase, IntelHDAState),
1201        VMSTATE_UINT32(dp_ubase, IntelHDAState),
1202        VMSTATE_UINT32(icw, IntelHDAState),
1203        VMSTATE_UINT32(irr, IntelHDAState),
1204        VMSTATE_UINT32(ics, IntelHDAState),
1205        VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1206                             vmstate_intel_hda_stream,
1207                             IntelHDAStream),
1208
1209        /* additional state info */
1210        VMSTATE_UINT32(rirb_count, IntelHDAState),
1211        VMSTATE_INT64(wall_base_ns, IntelHDAState),
1212
1213        VMSTATE_END_OF_LIST()
1214    }
1215};
1216
1217static Property intel_hda_properties[] = {
1218    DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1219    DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO),
1220    DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1221    DEFINE_PROP_END_OF_LIST(),
1222};
1223
1224static void intel_hda_class_init(ObjectClass *klass, void *data)
1225{
1226    DeviceClass *dc = DEVICE_CLASS(klass);
1227    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1228
1229    k->realize = intel_hda_realize;
1230    k->exit = intel_hda_exit;
1231    k->vendor_id = PCI_VENDOR_ID_INTEL;
1232    k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1233    dc->reset = intel_hda_reset;
1234    dc->vmsd = &vmstate_intel_hda;
1235    dc->props = intel_hda_properties;
1236}
1237
1238static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1239{
1240    DeviceClass *dc = DEVICE_CLASS(klass);
1241    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1242
1243    k->device_id = 0x2668;
1244    k->revision = 1;
1245    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1246    dc->desc = "Intel HD Audio Controller (ich6)";
1247}
1248
1249static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1250{
1251    DeviceClass *dc = DEVICE_CLASS(klass);
1252    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1253
1254    k->device_id = 0x293e;
1255    k->revision = 3;
1256    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1257    dc->desc = "Intel HD Audio Controller (ich9)";
1258}
1259
1260static const TypeInfo intel_hda_info = {
1261    .name          = TYPE_INTEL_HDA_GENERIC,
1262    .parent        = TYPE_PCI_DEVICE,
1263    .instance_size = sizeof(IntelHDAState),
1264    .class_init    = intel_hda_class_init,
1265    .abstract      = true,
1266    .interfaces = (InterfaceInfo[]) {
1267        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1268        { },
1269    },
1270};
1271
1272static const TypeInfo intel_hda_info_ich6 = {
1273    .name          = "intel-hda",
1274    .parent        = TYPE_INTEL_HDA_GENERIC,
1275    .class_init    = intel_hda_class_init_ich6,
1276};
1277
1278static const TypeInfo intel_hda_info_ich9 = {
1279    .name          = "ich9-intel-hda",
1280    .parent        = TYPE_INTEL_HDA_GENERIC,
1281    .class_init    = intel_hda_class_init_ich9,
1282};
1283
1284static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1285{
1286    DeviceClass *k = DEVICE_CLASS(klass);
1287    k->realize = hda_codec_dev_realize;
1288    k->unrealize = hda_codec_dev_unrealize;
1289    set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1290    k->bus_type = TYPE_HDA_BUS;
1291    k->props = hda_props;
1292}
1293
1294static const TypeInfo hda_codec_device_type_info = {
1295    .name = TYPE_HDA_CODEC_DEVICE,
1296    .parent = TYPE_DEVICE,
1297    .instance_size = sizeof(HDACodecDevice),
1298    .abstract = true,
1299    .class_size = sizeof(HDACodecDeviceClass),
1300    .class_init = hda_codec_device_class_init,
1301};
1302
1303/*
1304 * create intel hda controller with codec attached to it,
1305 * so '-soundhw hda' works.
1306 */
1307static int intel_hda_and_codec_init(PCIBus *bus)
1308{
1309    DeviceState *controller;
1310    BusState *hdabus;
1311    DeviceState *codec;
1312
1313    controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1314    hdabus = QLIST_FIRST(&controller->child_bus);
1315    codec = qdev_create(hdabus, "hda-duplex");
1316    qdev_init_nofail(codec);
1317    return 0;
1318}
1319
1320static void intel_hda_register_types(void)
1321{
1322    type_register_static(&hda_codec_bus_info);
1323    type_register_static(&intel_hda_info);
1324    type_register_static(&intel_hda_info_ich6);
1325    type_register_static(&intel_hda_info_ich9);
1326    type_register_static(&hda_codec_device_type_info);
1327    pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1328}
1329
1330type_init(intel_hda_register_types)
1331