| /* | 
 |  * Copyright (C) 2010 Red Hat, Inc. | 
 |  * | 
 |  * written by Gerd Hoffmann <kraxel@redhat.com> | 
 |  * | 
 |  * This program is free software; you can redistribute it and/or | 
 |  * modify it under the terms of the GNU General Public License as | 
 |  * published by the Free Software Foundation; either version 2 or | 
 |  * (at your option) version 3 of the License. | 
 |  * | 
 |  * This program is distributed in the hope that it will be useful, | 
 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 |  * GNU General Public License for more details. | 
 |  * | 
 |  * You should have received a copy of the GNU General Public License | 
 |  * along with this program; if not, see <http://www.gnu.org/licenses/>. | 
 |  */ | 
 |  | 
 | #include "qemu/osdep.h" | 
 | #include "hw/pci/pci.h" | 
 | #include "hw/qdev-properties.h" | 
 | #include "hw/pci/msi.h" | 
 | #include "qemu/timer.h" | 
 | #include "qemu/bitops.h" | 
 | #include "qemu/log.h" | 
 | #include "qemu/module.h" | 
 | #include "qemu/error-report.h" | 
 | #include "hw/audio/soundhw.h" | 
 | #include "intel-hda.h" | 
 | #include "migration/vmstate.h" | 
 | #include "intel-hda-defs.h" | 
 | #include "sysemu/dma.h" | 
 | #include "qapi/error.h" | 
 | #include "qom/object.h" | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 | /* hda bus                                                               */ | 
 |  | 
 | static Property hda_props[] = { | 
 |     DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1), | 
 |     DEFINE_PROP_END_OF_LIST() | 
 | }; | 
 |  | 
 | static const TypeInfo hda_codec_bus_info = { | 
 |     .name = TYPE_HDA_BUS, | 
 |     .parent = TYPE_BUS, | 
 |     .instance_size = sizeof(HDACodecBus), | 
 | }; | 
 |  | 
 | void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size, | 
 |                         hda_codec_response_func response, | 
 |                         hda_codec_xfer_func xfer) | 
 | { | 
 |     qbus_init(bus, bus_size, TYPE_HDA_BUS, dev, NULL); | 
 |     bus->response = response; | 
 |     bus->xfer = xfer; | 
 | } | 
 |  | 
 | static void hda_codec_dev_realize(DeviceState *qdev, Error **errp) | 
 | { | 
 |     HDACodecBus *bus = HDA_BUS(qdev->parent_bus); | 
 |     HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev); | 
 |     HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev); | 
 |  | 
 |     if (dev->cad == -1) { | 
 |         dev->cad = bus->next_cad; | 
 |     } | 
 |     if (dev->cad >= 15) { | 
 |         error_setg(errp, "HDA audio codec address is full"); | 
 |         return; | 
 |     } | 
 |     bus->next_cad = dev->cad + 1; | 
 |     cdc->init(dev, errp); | 
 | } | 
 |  | 
 | static void hda_codec_dev_unrealize(DeviceState *qdev) | 
 | { | 
 |     HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev); | 
 |     HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev); | 
 |  | 
 |     if (cdc->exit) { | 
 |         cdc->exit(dev); | 
 |     } | 
 | } | 
 |  | 
 | HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad) | 
 | { | 
 |     BusChild *kid; | 
 |     HDACodecDevice *cdev; | 
 |  | 
 |     QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) { | 
 |         DeviceState *qdev = kid->child; | 
 |         cdev = HDA_CODEC_DEVICE(qdev); | 
 |         if (cdev->cad == cad) { | 
 |             return cdev; | 
 |         } | 
 |     } | 
 |     return NULL; | 
 | } | 
 |  | 
 | void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response) | 
 | { | 
 |     HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus); | 
 |     bus->response(dev, solicited, response); | 
 | } | 
 |  | 
 | bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output, | 
 |                     uint8_t *buf, uint32_t len) | 
 | { | 
 |     HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus); | 
 |     return bus->xfer(dev, stnr, output, buf, len); | 
 | } | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 | /* intel hda emulation                                                   */ | 
 |  | 
 | typedef struct IntelHDAStream IntelHDAStream; | 
 | typedef struct IntelHDAState IntelHDAState; | 
 | typedef struct IntelHDAReg IntelHDAReg; | 
 |  | 
 | typedef struct bpl { | 
 |     uint64_t addr; | 
 |     uint32_t len; | 
 |     uint32_t flags; | 
 | } bpl; | 
 |  | 
 | struct IntelHDAStream { | 
 |     /* registers */ | 
 |     uint32_t ctl; | 
 |     uint32_t lpib; | 
 |     uint32_t cbl; | 
 |     uint32_t lvi; | 
 |     uint32_t fmt; | 
 |     uint32_t bdlp_lbase; | 
 |     uint32_t bdlp_ubase; | 
 |  | 
 |     /* state */ | 
 |     bpl      *bpl; | 
 |     uint32_t bentries; | 
 |     uint32_t bsize, be, bp; | 
 | }; | 
 |  | 
 | struct IntelHDAState { | 
 |     PCIDevice pci; | 
 |     const char *name; | 
 |     HDACodecBus codecs; | 
 |  | 
 |     /* registers */ | 
 |     uint32_t g_ctl; | 
 |     uint32_t wake_en; | 
 |     uint32_t state_sts; | 
 |     uint32_t int_ctl; | 
 |     uint32_t int_sts; | 
 |     uint32_t wall_clk; | 
 |  | 
 |     uint32_t corb_lbase; | 
 |     uint32_t corb_ubase; | 
 |     uint32_t corb_rp; | 
 |     uint32_t corb_wp; | 
 |     uint32_t corb_ctl; | 
 |     uint32_t corb_sts; | 
 |     uint32_t corb_size; | 
 |  | 
 |     uint32_t rirb_lbase; | 
 |     uint32_t rirb_ubase; | 
 |     uint32_t rirb_wp; | 
 |     uint32_t rirb_cnt; | 
 |     uint32_t rirb_ctl; | 
 |     uint32_t rirb_sts; | 
 |     uint32_t rirb_size; | 
 |  | 
 |     uint32_t dp_lbase; | 
 |     uint32_t dp_ubase; | 
 |  | 
 |     uint32_t icw; | 
 |     uint32_t irr; | 
 |     uint32_t ics; | 
 |  | 
 |     /* streams */ | 
 |     IntelHDAStream st[8]; | 
 |  | 
 |     /* state */ | 
 |     MemoryRegion container; | 
 |     MemoryRegion mmio; | 
 |     MemoryRegion alias; | 
 |     uint32_t rirb_count; | 
 |     int64_t wall_base_ns; | 
 |  | 
 |     /* debug logging */ | 
 |     const IntelHDAReg *last_reg; | 
 |     uint32_t last_val; | 
 |     uint32_t last_write; | 
 |     uint32_t last_sec; | 
 |     uint32_t repeat_count; | 
 |  | 
 |     /* properties */ | 
 |     uint32_t debug; | 
 |     OnOffAuto msi; | 
 |     bool old_msi_addr; | 
 | }; | 
 |  | 
 | #define TYPE_INTEL_HDA_GENERIC "intel-hda-generic" | 
 |  | 
 | DECLARE_INSTANCE_CHECKER(IntelHDAState, INTEL_HDA, | 
 |                          TYPE_INTEL_HDA_GENERIC) | 
 |  | 
 | struct IntelHDAReg { | 
 |     const char *name;      /* register name */ | 
 |     uint32_t   size;       /* size in bytes */ | 
 |     uint32_t   reset;      /* reset value */ | 
 |     uint32_t   wmask;      /* write mask */ | 
 |     uint32_t   wclear;     /* write 1 to clear bits */ | 
 |     uint32_t   offset;     /* location in IntelHDAState */ | 
 |     uint32_t   shift;      /* byte access entries for dwords */ | 
 |     uint32_t   stream; | 
 |     void       (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old); | 
 |     void       (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg); | 
 | }; | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 |  | 
 | static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase) | 
 | { | 
 |     return ((uint64_t)ubase << 32) | lbase; | 
 | } | 
 |  | 
 | static void intel_hda_update_int_sts(IntelHDAState *d) | 
 | { | 
 |     uint32_t sts = 0; | 
 |     uint32_t i; | 
 |  | 
 |     /* update controller status */ | 
 |     if (d->rirb_sts & ICH6_RBSTS_IRQ) { | 
 |         sts |= (1 << 30); | 
 |     } | 
 |     if (d->rirb_sts & ICH6_RBSTS_OVERRUN) { | 
 |         sts |= (1 << 30); | 
 |     } | 
 |     if (d->state_sts & d->wake_en) { | 
 |         sts |= (1 << 30); | 
 |     } | 
 |  | 
 |     /* update stream status */ | 
 |     for (i = 0; i < 8; i++) { | 
 |         /* buffer completion interrupt */ | 
 |         if (d->st[i].ctl & (1 << 26)) { | 
 |             sts |= (1 << i); | 
 |         } | 
 |     } | 
 |  | 
 |     /* update global status */ | 
 |     if (sts & d->int_ctl) { | 
 |         sts |= (1U << 31); | 
 |     } | 
 |  | 
 |     d->int_sts = sts; | 
 | } | 
 |  | 
 | static void intel_hda_update_irq(IntelHDAState *d) | 
 | { | 
 |     bool msi = msi_enabled(&d->pci); | 
 |     int level; | 
 |  | 
 |     intel_hda_update_int_sts(d); | 
 |     if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) { | 
 |         level = 1; | 
 |     } else { | 
 |         level = 0; | 
 |     } | 
 |     dprint(d, 2, "%s: level %d [%s]\n", __func__, | 
 |            level, msi ? "msi" : "intx"); | 
 |     if (msi) { | 
 |         if (level) { | 
 |             msi_notify(&d->pci, 0); | 
 |         } | 
 |     } else { | 
 |         pci_set_irq(&d->pci, level); | 
 |     } | 
 | } | 
 |  | 
 | static int intel_hda_send_command(IntelHDAState *d, uint32_t verb) | 
 | { | 
 |     uint32_t cad, nid, data; | 
 |     HDACodecDevice *codec; | 
 |     HDACodecDeviceClass *cdc; | 
 |  | 
 |     cad = (verb >> 28) & 0x0f; | 
 |     if (verb & (1 << 27)) { | 
 |         /* indirect node addressing, not specified in HDA 1.0 */ | 
 |         dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__); | 
 |         return -1; | 
 |     } | 
 |     nid = (verb >> 20) & 0x7f; | 
 |     data = verb & 0xfffff; | 
 |  | 
 |     codec = hda_codec_find(&d->codecs, cad); | 
 |     if (codec == NULL) { | 
 |         dprint(d, 1, "%s: addressed non-existing codec\n", __func__); | 
 |         return -1; | 
 |     } | 
 |     cdc = HDA_CODEC_DEVICE_GET_CLASS(codec); | 
 |     cdc->command(codec, nid, data); | 
 |     return 0; | 
 | } | 
 |  | 
 | static void intel_hda_corb_run(IntelHDAState *d) | 
 | { | 
 |     hwaddr addr; | 
 |     uint32_t rp, verb; | 
 |  | 
 |     if (d->ics & ICH6_IRS_BUSY) { | 
 |         dprint(d, 2, "%s: [icw] verb 0x%08x\n", __func__, d->icw); | 
 |         intel_hda_send_command(d, d->icw); | 
 |         return; | 
 |     } | 
 |  | 
 |     for (;;) { | 
 |         if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) { | 
 |             dprint(d, 2, "%s: !run\n", __func__); | 
 |             return; | 
 |         } | 
 |         if ((d->corb_rp & 0xff) == d->corb_wp) { | 
 |             dprint(d, 2, "%s: corb ring empty\n", __func__); | 
 |             return; | 
 |         } | 
 |         if (d->rirb_count == d->rirb_cnt) { | 
 |             dprint(d, 2, "%s: rirb count reached\n", __func__); | 
 |             return; | 
 |         } | 
 |  | 
 |         rp = (d->corb_rp + 1) & 0xff; | 
 |         addr = intel_hda_addr(d->corb_lbase, d->corb_ubase); | 
 |         ldl_le_pci_dma(&d->pci, addr + 4 * rp, &verb, MEMTXATTRS_UNSPECIFIED); | 
 |         d->corb_rp = rp; | 
 |  | 
 |         dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__, rp, verb); | 
 |         intel_hda_send_command(d, verb); | 
 |     } | 
 | } | 
 |  | 
 | static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response) | 
 | { | 
 |     const MemTxAttrs attrs = { .memory = true }; | 
 |     HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus); | 
 |     IntelHDAState *d = container_of(bus, IntelHDAState, codecs); | 
 |     hwaddr addr; | 
 |     uint32_t wp, ex; | 
 |     MemTxResult res = MEMTX_OK; | 
 |  | 
 |     if (d->ics & ICH6_IRS_BUSY) { | 
 |         dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n", | 
 |                __func__, response, dev->cad); | 
 |         d->irr = response; | 
 |         d->ics &= ~(ICH6_IRS_BUSY | 0xf0); | 
 |         d->ics |= (ICH6_IRS_VALID | (dev->cad << 4)); | 
 |         return; | 
 |     } | 
 |  | 
 |     if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) { | 
 |         dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __func__); | 
 |         return; | 
 |     } | 
 |  | 
 |     ex = (solicited ? 0 : (1 << 4)) | dev->cad; | 
 |     wp = (d->rirb_wp + 1) & 0xff; | 
 |     addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase); | 
 |     res |= stl_le_pci_dma(&d->pci, addr + 8 * wp, response, attrs); | 
 |     res |= stl_le_pci_dma(&d->pci, addr + 8 * wp + 4, ex, attrs); | 
 |     if (res != MEMTX_OK && (d->rirb_ctl & ICH6_RBCTL_OVERRUN_EN)) { | 
 |         d->rirb_sts |= ICH6_RBSTS_OVERRUN; | 
 |         intel_hda_update_irq(d); | 
 |     } | 
 |     d->rirb_wp = wp; | 
 |  | 
 |     dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n", | 
 |            __func__, wp, response, ex); | 
 |  | 
 |     d->rirb_count++; | 
 |     if (d->rirb_count == d->rirb_cnt) { | 
 |         dprint(d, 2, "%s: rirb count reached (%d)\n", __func__, d->rirb_count); | 
 |         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) { | 
 |             d->rirb_sts |= ICH6_RBSTS_IRQ; | 
 |             intel_hda_update_irq(d); | 
 |         } | 
 |     } else if ((d->corb_rp & 0xff) == d->corb_wp) { | 
 |         dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __func__, | 
 |                d->rirb_count, d->rirb_cnt); | 
 |         if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) { | 
 |             d->rirb_sts |= ICH6_RBSTS_IRQ; | 
 |             intel_hda_update_irq(d); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output, | 
 |                            uint8_t *buf, uint32_t len) | 
 | { | 
 |     const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; | 
 |     HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus); | 
 |     IntelHDAState *d = container_of(bus, IntelHDAState, codecs); | 
 |     hwaddr addr; | 
 |     uint32_t s, copy, left; | 
 |     IntelHDAStream *st; | 
 |     bool irq = false; | 
 |  | 
 |     st = output ? d->st + 4 : d->st; | 
 |     for (s = 0; s < 4; s++) { | 
 |         if (stnr == ((st[s].ctl >> 20) & 0x0f)) { | 
 |             st = st + s; | 
 |             break; | 
 |         } | 
 |     } | 
 |     if (s == 4) { | 
 |         return false; | 
 |     } | 
 |     if (st->bpl == NULL) { | 
 |         return false; | 
 |     } | 
 |  | 
 |     left = len; | 
 |     s = st->bentries; | 
 |     while (left > 0 && s-- > 0) { | 
 |         copy = left; | 
 |         if (copy > st->bsize - st->lpib) | 
 |             copy = st->bsize - st->lpib; | 
 |         if (copy > st->bpl[st->be].len - st->bp) | 
 |             copy = st->bpl[st->be].len - st->bp; | 
 |  | 
 |         dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n", | 
 |                st->be, st->bp, st->bpl[st->be].len, copy); | 
 |  | 
 |         pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output, | 
 |                    attrs); | 
 |         st->lpib += copy; | 
 |         st->bp += copy; | 
 |         buf += copy; | 
 |         left -= copy; | 
 |  | 
 |         if (st->bpl[st->be].len == st->bp) { | 
 |             /* bpl entry filled */ | 
 |             if (st->bpl[st->be].flags & 0x01) { | 
 |                 irq = true; | 
 |             } | 
 |             st->bp = 0; | 
 |             st->be++; | 
 |             if (st->be == st->bentries) { | 
 |                 /* bpl wrap around */ | 
 |                 st->be = 0; | 
 |                 st->lpib = 0; | 
 |             } | 
 |         } | 
 |     } | 
 |     if (d->dp_lbase & 0x01) { | 
 |         s = st - d->st; | 
 |         addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase); | 
 |         stl_le_pci_dma(&d->pci, addr + 8 * s, st->lpib, attrs); | 
 |     } | 
 |     dprint(d, 3, "dma: --\n"); | 
 |  | 
 |     if (irq) { | 
 |         st->ctl |= (1 << 26); /* buffer completion interrupt */ | 
 |         intel_hda_update_irq(d); | 
 |     } | 
 |     return true; | 
 | } | 
 |  | 
 | static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st) | 
 | { | 
 |     hwaddr addr; | 
 |     uint8_t buf[16]; | 
 |     uint32_t i; | 
 |  | 
 |     addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase); | 
 |     st->bentries = st->lvi +1; | 
 |     g_free(st->bpl); | 
 |     st->bpl = g_new(bpl, st->bentries); | 
 |     for (i = 0; i < st->bentries; i++, addr += 16) { | 
 |         pci_dma_read(&d->pci, addr, buf, 16); | 
 |         st->bpl[i].addr  = le64_to_cpu(*(uint64_t *)buf); | 
 |         st->bpl[i].len   = le32_to_cpu(*(uint32_t *)(buf + 8)); | 
 |         st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12)); | 
 |         dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n", | 
 |                i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags); | 
 |     } | 
 |  | 
 |     st->bsize = st->cbl; | 
 |     st->lpib  = 0; | 
 |     st->be    = 0; | 
 |     st->bp    = 0; | 
 | } | 
 |  | 
 | static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output) | 
 | { | 
 |     BusChild *kid; | 
 |     HDACodecDevice *cdev; | 
 |  | 
 |     QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) { | 
 |         DeviceState *qdev = kid->child; | 
 |         HDACodecDeviceClass *cdc; | 
 |  | 
 |         cdev = HDA_CODEC_DEVICE(qdev); | 
 |         cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev); | 
 |         if (cdc->stream) { | 
 |             cdc->stream(cdev, stream, running, output); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 |  | 
 | static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     if ((d->g_ctl & ICH6_GCTL_RESET) == 0) { | 
 |         device_cold_reset(DEVICE(d)); | 
 |     } | 
 | } | 
 |  | 
 | static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_update_irq(d); | 
 | } | 
 |  | 
 | static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_update_irq(d); | 
 | } | 
 |  | 
 | static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_update_irq(d); | 
 | } | 
 |  | 
 | static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg) | 
 | { | 
 |     int64_t ns; | 
 |  | 
 |     ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns; | 
 |     d->wall_clk = (uint32_t)(ns * 24 / 1000);  /* 24 MHz */ | 
 | } | 
 |  | 
 | static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_corb_run(d); | 
 | } | 
 |  | 
 | static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_corb_run(d); | 
 | } | 
 |  | 
 | static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     if (d->rirb_wp & ICH6_RIRBWP_RST) { | 
 |         d->rirb_wp = 0; | 
 |     } | 
 | } | 
 |  | 
 | static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     intel_hda_update_irq(d); | 
 |  | 
 |     if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) { | 
 |         /* cleared ICH6_RBSTS_IRQ */ | 
 |         d->rirb_count = 0; | 
 |         intel_hda_corb_run(d); | 
 |     } | 
 | } | 
 |  | 
 | static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     if (d->ics & ICH6_IRS_BUSY) { | 
 |         intel_hda_corb_run(d); | 
 |     } | 
 | } | 
 |  | 
 | static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old) | 
 | { | 
 |     bool output = reg->stream >= 4; | 
 |     IntelHDAStream *st = d->st + reg->stream; | 
 |  | 
 |     if (st->ctl & 0x01) { | 
 |         /* reset */ | 
 |         dprint(d, 1, "st #%d: reset\n", reg->stream); | 
 |         st->ctl = SD_STS_FIFO_READY << 24 | SD_CTL_STREAM_RESET; | 
 |     } | 
 |     if ((st->ctl & 0x02) != (old & 0x02)) { | 
 |         uint32_t stnr = (st->ctl >> 20) & 0x0f; | 
 |         /* run bit flipped */ | 
 |         if (st->ctl & 0x02) { | 
 |             /* start */ | 
 |             dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n", | 
 |                    reg->stream, stnr, st->cbl); | 
 |             intel_hda_parse_bdl(d, st); | 
 |             intel_hda_notify_codecs(d, stnr, true, output); | 
 |         } else { | 
 |             /* stop */ | 
 |             dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr); | 
 |             intel_hda_notify_codecs(d, stnr, false, output); | 
 |         } | 
 |     } | 
 |     intel_hda_update_irq(d); | 
 | } | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 |  | 
 | #define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o)) | 
 |  | 
 | static const struct IntelHDAReg regtab[] = { | 
 |     /* global */ | 
 |     [ ICH6_REG_GCAP ] = { | 
 |         .name     = "GCAP", | 
 |         .size     = 2, | 
 |         .reset    = 0x4401, | 
 |     }, | 
 |     [ ICH6_REG_VMIN ] = { | 
 |         .name     = "VMIN", | 
 |         .size     = 1, | 
 |     }, | 
 |     [ ICH6_REG_VMAJ ] = { | 
 |         .name     = "VMAJ", | 
 |         .size     = 1, | 
 |         .reset    = 1, | 
 |     }, | 
 |     [ ICH6_REG_OUTPAY ] = { | 
 |         .name     = "OUTPAY", | 
 |         .size     = 2, | 
 |         .reset    = 0x3c, | 
 |     }, | 
 |     [ ICH6_REG_INPAY ] = { | 
 |         .name     = "INPAY", | 
 |         .size     = 2, | 
 |         .reset    = 0x1d, | 
 |     }, | 
 |     [ ICH6_REG_GCTL ] = { | 
 |         .name     = "GCTL", | 
 |         .size     = 4, | 
 |         .wmask    = 0x0103, | 
 |         .offset   = offsetof(IntelHDAState, g_ctl), | 
 |         .whandler = intel_hda_set_g_ctl, | 
 |     }, | 
 |     [ ICH6_REG_WAKEEN ] = { | 
 |         .name     = "WAKEEN", | 
 |         .size     = 2, | 
 |         .wmask    = 0x7fff, | 
 |         .offset   = offsetof(IntelHDAState, wake_en), | 
 |         .whandler = intel_hda_set_wake_en, | 
 |     }, | 
 |     [ ICH6_REG_STATESTS ] = { | 
 |         .name     = "STATESTS", | 
 |         .size     = 2, | 
 |         .wmask    = 0x7fff, | 
 |         .wclear   = 0x7fff, | 
 |         .offset   = offsetof(IntelHDAState, state_sts), | 
 |         .whandler = intel_hda_set_state_sts, | 
 |     }, | 
 |  | 
 |     /* interrupts */ | 
 |     [ ICH6_REG_INTCTL ] = { | 
 |         .name     = "INTCTL", | 
 |         .size     = 4, | 
 |         .wmask    = 0xc00000ff, | 
 |         .offset   = offsetof(IntelHDAState, int_ctl), | 
 |         .whandler = intel_hda_set_int_ctl, | 
 |     }, | 
 |     [ ICH6_REG_INTSTS ] = { | 
 |         .name     = "INTSTS", | 
 |         .size     = 4, | 
 |         .wmask    = 0xc00000ff, | 
 |         .wclear   = 0xc00000ff, | 
 |         .offset   = offsetof(IntelHDAState, int_sts), | 
 |     }, | 
 |  | 
 |     /* misc */ | 
 |     [ ICH6_REG_WALLCLK ] = { | 
 |         .name     = "WALLCLK", | 
 |         .size     = 4, | 
 |         .offset   = offsetof(IntelHDAState, wall_clk), | 
 |         .rhandler = intel_hda_get_wall_clk, | 
 |     }, | 
 |  | 
 |     /* dma engine */ | 
 |     [ ICH6_REG_CORBLBASE ] = { | 
 |         .name     = "CORBLBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffff80, | 
 |         .offset   = offsetof(IntelHDAState, corb_lbase), | 
 |     }, | 
 |     [ ICH6_REG_CORBUBASE ] = { | 
 |         .name     = "CORBUBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffffff, | 
 |         .offset   = offsetof(IntelHDAState, corb_ubase), | 
 |     }, | 
 |     [ ICH6_REG_CORBWP ] = { | 
 |         .name     = "CORBWP", | 
 |         .size     = 2, | 
 |         .wmask    = 0xff, | 
 |         .offset   = offsetof(IntelHDAState, corb_wp), | 
 |         .whandler = intel_hda_set_corb_wp, | 
 |     }, | 
 |     [ ICH6_REG_CORBRP ] = { | 
 |         .name     = "CORBRP", | 
 |         .size     = 2, | 
 |         .wmask    = 0x80ff, | 
 |         .offset   = offsetof(IntelHDAState, corb_rp), | 
 |     }, | 
 |     [ ICH6_REG_CORBCTL ] = { | 
 |         .name     = "CORBCTL", | 
 |         .size     = 1, | 
 |         .wmask    = 0x03, | 
 |         .offset   = offsetof(IntelHDAState, corb_ctl), | 
 |         .whandler = intel_hda_set_corb_ctl, | 
 |     }, | 
 |     [ ICH6_REG_CORBSTS ] = { | 
 |         .name     = "CORBSTS", | 
 |         .size     = 1, | 
 |         .wmask    = 0x01, | 
 |         .wclear   = 0x01, | 
 |         .offset   = offsetof(IntelHDAState, corb_sts), | 
 |     }, | 
 |     [ ICH6_REG_CORBSIZE ] = { | 
 |         .name     = "CORBSIZE", | 
 |         .size     = 1, | 
 |         .reset    = 0x42, | 
 |         .offset   = offsetof(IntelHDAState, corb_size), | 
 |     }, | 
 |     [ ICH6_REG_RIRBLBASE ] = { | 
 |         .name     = "RIRBLBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffff80, | 
 |         .offset   = offsetof(IntelHDAState, rirb_lbase), | 
 |     }, | 
 |     [ ICH6_REG_RIRBUBASE ] = { | 
 |         .name     = "RIRBUBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffffff, | 
 |         .offset   = offsetof(IntelHDAState, rirb_ubase), | 
 |     }, | 
 |     [ ICH6_REG_RIRBWP ] = { | 
 |         .name     = "RIRBWP", | 
 |         .size     = 2, | 
 |         .wmask    = 0x8000, | 
 |         .offset   = offsetof(IntelHDAState, rirb_wp), | 
 |         .whandler = intel_hda_set_rirb_wp, | 
 |     }, | 
 |     [ ICH6_REG_RINTCNT ] = { | 
 |         .name     = "RINTCNT", | 
 |         .size     = 2, | 
 |         .wmask    = 0xff, | 
 |         .offset   = offsetof(IntelHDAState, rirb_cnt), | 
 |     }, | 
 |     [ ICH6_REG_RIRBCTL ] = { | 
 |         .name     = "RIRBCTL", | 
 |         .size     = 1, | 
 |         .wmask    = 0x07, | 
 |         .offset   = offsetof(IntelHDAState, rirb_ctl), | 
 |     }, | 
 |     [ ICH6_REG_RIRBSTS ] = { | 
 |         .name     = "RIRBSTS", | 
 |         .size     = 1, | 
 |         .wmask    = 0x05, | 
 |         .wclear   = 0x05, | 
 |         .offset   = offsetof(IntelHDAState, rirb_sts), | 
 |         .whandler = intel_hda_set_rirb_sts, | 
 |     }, | 
 |     [ ICH6_REG_RIRBSIZE ] = { | 
 |         .name     = "RIRBSIZE", | 
 |         .size     = 1, | 
 |         .reset    = 0x42, | 
 |         .offset   = offsetof(IntelHDAState, rirb_size), | 
 |     }, | 
 |  | 
 |     [ ICH6_REG_DPLBASE ] = { | 
 |         .name     = "DPLBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffff81, | 
 |         .offset   = offsetof(IntelHDAState, dp_lbase), | 
 |     }, | 
 |     [ ICH6_REG_DPUBASE ] = { | 
 |         .name     = "DPUBASE", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffffff, | 
 |         .offset   = offsetof(IntelHDAState, dp_ubase), | 
 |     }, | 
 |  | 
 |     [ ICH6_REG_IC ] = { | 
 |         .name     = "ICW", | 
 |         .size     = 4, | 
 |         .wmask    = 0xffffffff, | 
 |         .offset   = offsetof(IntelHDAState, icw), | 
 |     }, | 
 |     [ ICH6_REG_IR ] = { | 
 |         .name     = "IRR", | 
 |         .size     = 4, | 
 |         .offset   = offsetof(IntelHDAState, irr), | 
 |     }, | 
 |     [ ICH6_REG_IRS ] = { | 
 |         .name     = "ICS", | 
 |         .size     = 2, | 
 |         .wmask    = 0x0003, | 
 |         .wclear   = 0x0002, | 
 |         .offset   = offsetof(IntelHDAState, ics), | 
 |         .whandler = intel_hda_set_ics, | 
 |     }, | 
 |  | 
 | #define HDA_STREAM(_t, _i)                                            \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_CTL) ] = {                               \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " CTL",                          \ | 
 |         .size     = 4,                                                \ | 
 |         .wmask    = 0x1cff001f,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \ | 
 |         .whandler = intel_hda_set_st_ctl,                             \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = {                            \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " CTL(stnr)",                    \ | 
 |         .size     = 1,                                                \ | 
 |         .shift    = 16,                                               \ | 
 |         .wmask    = 0x00ff0000,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \ | 
 |         .whandler = intel_hda_set_st_ctl,                             \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_STS)] = {                                \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " CTL(sts)",                     \ | 
 |         .size     = 1,                                                \ | 
 |         .shift    = 24,                                               \ | 
 |         .wmask    = 0x1c000000,                                       \ | 
 |         .wclear   = 0x1c000000,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].ctl),              \ | 
 |         .whandler = intel_hda_set_st_ctl,                             \ | 
 |         .reset    = SD_STS_FIFO_READY << 24                           \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = {                              \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " LPIB",                         \ | 
 |         .size     = 4,                                                \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].lpib),             \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_CBL) ] = {                               \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " CBL",                          \ | 
 |         .size     = 4,                                                \ | 
 |         .wmask    = 0xffffffff,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].cbl),              \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_LVI) ] = {                               \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " LVI",                          \ | 
 |         .size     = 2,                                                \ | 
 |         .wmask    = 0x00ff,                                           \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].lvi),              \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = {                          \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " FIFOS",                        \ | 
 |         .size     = 2,                                                \ | 
 |         .reset    = HDA_BUFFER_SIZE,                                  \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = {                            \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " FMT",                          \ | 
 |         .size     = 2,                                                \ | 
 |         .wmask    = 0x7f7f,                                           \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].fmt),              \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = {                             \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " BDLPL",                        \ | 
 |         .size     = 4,                                                \ | 
 |         .wmask    = 0xffffff80,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].bdlp_lbase),       \ | 
 |     },                                                                \ | 
 |     [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = {                             \ | 
 |         .stream   = _i,                                               \ | 
 |         .name     = _t stringify(_i) " BDLPU",                        \ | 
 |         .size     = 4,                                                \ | 
 |         .wmask    = 0xffffffff,                                       \ | 
 |         .offset   = offsetof(IntelHDAState, st[_i].bdlp_ubase),       \ | 
 |     },                                                                \ | 
 |  | 
 |     HDA_STREAM("IN", 0) | 
 |     HDA_STREAM("IN", 1) | 
 |     HDA_STREAM("IN", 2) | 
 |     HDA_STREAM("IN", 3) | 
 |  | 
 |     HDA_STREAM("OUT", 4) | 
 |     HDA_STREAM("OUT", 5) | 
 |     HDA_STREAM("OUT", 6) | 
 |     HDA_STREAM("OUT", 7) | 
 |  | 
 | }; | 
 |  | 
 | static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr) | 
 | { | 
 |     const IntelHDAReg *reg; | 
 |  | 
 |     if (addr >= ARRAY_SIZE(regtab)) { | 
 |         goto noreg; | 
 |     } | 
 |     reg = regtab+addr; | 
 |     if (reg->name == NULL) { | 
 |         goto noreg; | 
 |     } | 
 |     return reg; | 
 |  | 
 | noreg: | 
 |     dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr); | 
 |     return NULL; | 
 | } | 
 |  | 
 | static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg) | 
 | { | 
 |     uint8_t *addr = (void*)d; | 
 |  | 
 |     addr += reg->offset; | 
 |     return (uint32_t*)addr; | 
 | } | 
 |  | 
 | static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val, | 
 |                                 uint32_t wmask) | 
 | { | 
 |     uint32_t *addr; | 
 |     uint32_t old; | 
 |  | 
 |     if (!reg) { | 
 |         return; | 
 |     } | 
 |     if (!reg->wmask) { | 
 |         qemu_log_mask(LOG_GUEST_ERROR, "intel-hda: write to r/o reg %s\n", | 
 |                       reg->name); | 
 |         return; | 
 |     } | 
 |  | 
 |     if (d->debug) { | 
 |         time_t now = time(NULL); | 
 |         if (d->last_write && d->last_reg == reg && d->last_val == val) { | 
 |             d->repeat_count++; | 
 |             if (d->last_sec != now) { | 
 |                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); | 
 |                 d->last_sec = now; | 
 |                 d->repeat_count = 0; | 
 |             } | 
 |         } else { | 
 |             if (d->repeat_count) { | 
 |                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); | 
 |             } | 
 |             dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask); | 
 |             d->last_write = 1; | 
 |             d->last_reg   = reg; | 
 |             d->last_val   = val; | 
 |             d->last_sec   = now; | 
 |             d->repeat_count = 0; | 
 |         } | 
 |     } | 
 |     assert(reg->offset != 0); | 
 |  | 
 |     addr = intel_hda_reg_addr(d, reg); | 
 |     old = *addr; | 
 |  | 
 |     if (reg->shift) { | 
 |         val <<= reg->shift; | 
 |         wmask <<= reg->shift; | 
 |     } | 
 |     wmask &= reg->wmask; | 
 |     *addr &= ~wmask; | 
 |     *addr |= wmask & val; | 
 |     *addr &= ~(val & reg->wclear); | 
 |  | 
 |     if (reg->whandler) { | 
 |         reg->whandler(d, reg, old); | 
 |     } | 
 | } | 
 |  | 
 | static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg, | 
 |                                    uint32_t rmask) | 
 | { | 
 |     uint32_t *addr, ret; | 
 |  | 
 |     if (!reg) { | 
 |         return 0; | 
 |     } | 
 |  | 
 |     if (reg->rhandler) { | 
 |         reg->rhandler(d, reg); | 
 |     } | 
 |  | 
 |     if (reg->offset == 0) { | 
 |         /* constant read-only register */ | 
 |         ret = reg->reset; | 
 |     } else { | 
 |         addr = intel_hda_reg_addr(d, reg); | 
 |         ret = *addr; | 
 |         if (reg->shift) { | 
 |             ret >>= reg->shift; | 
 |         } | 
 |         ret &= rmask; | 
 |     } | 
 |     if (d->debug) { | 
 |         time_t now = time(NULL); | 
 |         if (!d->last_write && d->last_reg == reg && d->last_val == ret) { | 
 |             d->repeat_count++; | 
 |             if (d->last_sec != now) { | 
 |                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); | 
 |                 d->last_sec = now; | 
 |                 d->repeat_count = 0; | 
 |             } | 
 |         } else { | 
 |             if (d->repeat_count) { | 
 |                 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count); | 
 |             } | 
 |             dprint(d, 2, "read  %-16s: 0x%x (%x)\n", reg->name, ret, rmask); | 
 |             d->last_write = 0; | 
 |             d->last_reg   = reg; | 
 |             d->last_val   = ret; | 
 |             d->last_sec   = now; | 
 |             d->repeat_count = 0; | 
 |         } | 
 |     } | 
 |     return ret; | 
 | } | 
 |  | 
 | static void intel_hda_regs_reset(IntelHDAState *d) | 
 | { | 
 |     uint32_t *addr; | 
 |     int i; | 
 |  | 
 |     for (i = 0; i < ARRAY_SIZE(regtab); i++) { | 
 |         if (regtab[i].name == NULL) { | 
 |             continue; | 
 |         } | 
 |         if (regtab[i].offset == 0) { | 
 |             continue; | 
 |         } | 
 |         addr = intel_hda_reg_addr(d, regtab + i); | 
 |         *addr = regtab[i].reset; | 
 |     } | 
 | } | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 |  | 
 | static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val, | 
 |                                  unsigned size) | 
 | { | 
 |     IntelHDAState *d = opaque; | 
 |     const IntelHDAReg *reg = intel_hda_reg_find(d, addr); | 
 |  | 
 |     intel_hda_reg_write(d, reg, val, MAKE_64BIT_MASK(0, size * 8)); | 
 | } | 
 |  | 
 | static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size) | 
 | { | 
 |     IntelHDAState *d = opaque; | 
 |     const IntelHDAReg *reg = intel_hda_reg_find(d, addr); | 
 |  | 
 |     return intel_hda_reg_read(d, reg, MAKE_64BIT_MASK(0, size * 8)); | 
 | } | 
 |  | 
 | static const MemoryRegionOps intel_hda_mmio_ops = { | 
 |     .read = intel_hda_mmio_read, | 
 |     .write = intel_hda_mmio_write, | 
 |     .impl = { | 
 |         .min_access_size = 1, | 
 |         .max_access_size = 4, | 
 |     }, | 
 |     .endianness = DEVICE_NATIVE_ENDIAN, | 
 | }; | 
 |  | 
 | /* --------------------------------------------------------------------- */ | 
 |  | 
 | static void intel_hda_reset(DeviceState *dev) | 
 | { | 
 |     BusChild *kid; | 
 |     IntelHDAState *d = INTEL_HDA(dev); | 
 |     HDACodecDevice *cdev; | 
 |  | 
 |     intel_hda_regs_reset(d); | 
 |     d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); | 
 |  | 
 |     QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) { | 
 |         DeviceState *qdev = kid->child; | 
 |         cdev = HDA_CODEC_DEVICE(qdev); | 
 |         d->state_sts |= (1 << cdev->cad); | 
 |     } | 
 |     intel_hda_update_irq(d); | 
 | } | 
 |  | 
 | static void intel_hda_realize(PCIDevice *pci, Error **errp) | 
 | { | 
 |     IntelHDAState *d = INTEL_HDA(pci); | 
 |     uint8_t *conf = d->pci.config; | 
 |     Error *err = NULL; | 
 |     int ret; | 
 |  | 
 |     d->name = object_get_typename(OBJECT(d)); | 
 |  | 
 |     pci_config_set_interrupt_pin(conf, 1); | 
 |  | 
 |     /* HDCTL off 0x40 bit 0 selects signaling mode (1-HDA, 0 - Ac97) 18.1.19 */ | 
 |     conf[0x40] = 0x01; | 
 |  | 
 |     if (d->msi != ON_OFF_AUTO_OFF) { | 
 |         ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60, | 
 |                        1, true, false, &err); | 
 |         /* Any error other than -ENOTSUP(board's MSI support is broken) | 
 |          * is a programming error */ | 
 |         assert(!ret || ret == -ENOTSUP); | 
 |         if (ret && d->msi == ON_OFF_AUTO_ON) { | 
 |             /* Can't satisfy user's explicit msi=on request, fail */ | 
 |             error_append_hint(&err, "You have to use msi=auto (default) or " | 
 |                     "msi=off with this machine type.\n"); | 
 |             error_propagate(errp, err); | 
 |             return; | 
 |         } | 
 |         assert(!err || d->msi == ON_OFF_AUTO_AUTO); | 
 |         /* With msi=auto, we fall back to MSI off silently */ | 
 |         error_free(err); | 
 |     } | 
 |  | 
 |     memory_region_init(&d->container, OBJECT(d), | 
 |                        "intel-hda-container", 0x4000); | 
 |     memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d, | 
 |                           "intel-hda", 0x2000); | 
 |     memory_region_add_subregion(&d->container, 0x0000, &d->mmio); | 
 |     memory_region_init_alias(&d->alias, OBJECT(d), "intel-hda-alias", | 
 |                              &d->mmio, 0, 0x2000); | 
 |     memory_region_add_subregion(&d->container, 0x2000, &d->alias); | 
 |     pci_register_bar(&d->pci, 0, 0, &d->container); | 
 |  | 
 |     hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs), | 
 |                        intel_hda_response, intel_hda_xfer); | 
 | } | 
 |  | 
 | static void intel_hda_exit(PCIDevice *pci) | 
 | { | 
 |     IntelHDAState *d = INTEL_HDA(pci); | 
 |  | 
 |     msi_uninit(&d->pci); | 
 | } | 
 |  | 
 | static int intel_hda_post_load(void *opaque, int version) | 
 | { | 
 |     IntelHDAState* d = opaque; | 
 |     int i; | 
 |  | 
 |     dprint(d, 1, "%s\n", __func__); | 
 |     for (i = 0; i < ARRAY_SIZE(d->st); i++) { | 
 |         if (d->st[i].ctl & 0x02) { | 
 |             intel_hda_parse_bdl(d, &d->st[i]); | 
 |         } | 
 |     } | 
 |     intel_hda_update_irq(d); | 
 |     return 0; | 
 | } | 
 |  | 
 | static const VMStateDescription vmstate_intel_hda_stream = { | 
 |     .name = "intel-hda-stream", | 
 |     .version_id = 1, | 
 |     .fields = (const VMStateField[]) { | 
 |         VMSTATE_UINT32(ctl, IntelHDAStream), | 
 |         VMSTATE_UINT32(lpib, IntelHDAStream), | 
 |         VMSTATE_UINT32(cbl, IntelHDAStream), | 
 |         VMSTATE_UINT32(lvi, IntelHDAStream), | 
 |         VMSTATE_UINT32(fmt, IntelHDAStream), | 
 |         VMSTATE_UINT32(bdlp_lbase, IntelHDAStream), | 
 |         VMSTATE_UINT32(bdlp_ubase, IntelHDAStream), | 
 |         VMSTATE_END_OF_LIST() | 
 |     } | 
 | }; | 
 |  | 
 | static const VMStateDescription vmstate_intel_hda = { | 
 |     .name = "intel-hda", | 
 |     .version_id = 1, | 
 |     .post_load = intel_hda_post_load, | 
 |     .fields = (const VMStateField[]) { | 
 |         VMSTATE_PCI_DEVICE(pci, IntelHDAState), | 
 |  | 
 |         /* registers */ | 
 |         VMSTATE_UINT32(g_ctl, IntelHDAState), | 
 |         VMSTATE_UINT32(wake_en, IntelHDAState), | 
 |         VMSTATE_UINT32(state_sts, IntelHDAState), | 
 |         VMSTATE_UINT32(int_ctl, IntelHDAState), | 
 |         VMSTATE_UINT32(int_sts, IntelHDAState), | 
 |         VMSTATE_UINT32(wall_clk, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_lbase, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_ubase, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_rp, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_wp, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_ctl, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_sts, IntelHDAState), | 
 |         VMSTATE_UINT32(corb_size, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_lbase, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_ubase, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_wp, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_cnt, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_ctl, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_sts, IntelHDAState), | 
 |         VMSTATE_UINT32(rirb_size, IntelHDAState), | 
 |         VMSTATE_UINT32(dp_lbase, IntelHDAState), | 
 |         VMSTATE_UINT32(dp_ubase, IntelHDAState), | 
 |         VMSTATE_UINT32(icw, IntelHDAState), | 
 |         VMSTATE_UINT32(irr, IntelHDAState), | 
 |         VMSTATE_UINT32(ics, IntelHDAState), | 
 |         VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0, | 
 |                              vmstate_intel_hda_stream, | 
 |                              IntelHDAStream), | 
 |  | 
 |         /* additional state info */ | 
 |         VMSTATE_UINT32(rirb_count, IntelHDAState), | 
 |         VMSTATE_INT64(wall_base_ns, IntelHDAState), | 
 |  | 
 |         VMSTATE_END_OF_LIST() | 
 |     } | 
 | }; | 
 |  | 
 | static Property intel_hda_properties[] = { | 
 |     DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0), | 
 |     DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO), | 
 |     DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false), | 
 |     DEFINE_PROP_END_OF_LIST(), | 
 | }; | 
 |  | 
 | static void intel_hda_class_init(ObjectClass *klass, void *data) | 
 | { | 
 |     DeviceClass *dc = DEVICE_CLASS(klass); | 
 |     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | 
 |  | 
 |     k->realize = intel_hda_realize; | 
 |     k->exit = intel_hda_exit; | 
 |     k->vendor_id = PCI_VENDOR_ID_INTEL; | 
 |     k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO; | 
 |     dc->reset = intel_hda_reset; | 
 |     dc->vmsd = &vmstate_intel_hda; | 
 |     device_class_set_props(dc, intel_hda_properties); | 
 | } | 
 |  | 
 | static void intel_hda_class_init_ich6(ObjectClass *klass, void *data) | 
 | { | 
 |     DeviceClass *dc = DEVICE_CLASS(klass); | 
 |     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | 
 |  | 
 |     k->device_id = 0x2668; | 
 |     k->revision = 1; | 
 |     set_bit(DEVICE_CATEGORY_SOUND, dc->categories); | 
 |     dc->desc = "Intel HD Audio Controller (ich6)"; | 
 | } | 
 |  | 
 | static void intel_hda_class_init_ich9(ObjectClass *klass, void *data) | 
 | { | 
 |     DeviceClass *dc = DEVICE_CLASS(klass); | 
 |     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); | 
 |  | 
 |     k->device_id = 0x293e; | 
 |     k->revision = 3; | 
 |     set_bit(DEVICE_CATEGORY_SOUND, dc->categories); | 
 |     dc->desc = "Intel HD Audio Controller (ich9)"; | 
 | } | 
 |  | 
 | static const TypeInfo intel_hda_info = { | 
 |     .name          = TYPE_INTEL_HDA_GENERIC, | 
 |     .parent        = TYPE_PCI_DEVICE, | 
 |     .instance_size = sizeof(IntelHDAState), | 
 |     .class_init    = intel_hda_class_init, | 
 |     .abstract      = true, | 
 |     .interfaces = (InterfaceInfo[]) { | 
 |         { INTERFACE_CONVENTIONAL_PCI_DEVICE }, | 
 |         { }, | 
 |     }, | 
 | }; | 
 |  | 
 | static const TypeInfo intel_hda_info_ich6 = { | 
 |     .name          = "intel-hda", | 
 |     .parent        = TYPE_INTEL_HDA_GENERIC, | 
 |     .class_init    = intel_hda_class_init_ich6, | 
 | }; | 
 |  | 
 | static const TypeInfo intel_hda_info_ich9 = { | 
 |     .name          = "ich9-intel-hda", | 
 |     .parent        = TYPE_INTEL_HDA_GENERIC, | 
 |     .class_init    = intel_hda_class_init_ich9, | 
 | }; | 
 |  | 
 | static void hda_codec_device_class_init(ObjectClass *klass, void *data) | 
 | { | 
 |     DeviceClass *k = DEVICE_CLASS(klass); | 
 |     k->realize = hda_codec_dev_realize; | 
 |     k->unrealize = hda_codec_dev_unrealize; | 
 |     set_bit(DEVICE_CATEGORY_SOUND, k->categories); | 
 |     k->bus_type = TYPE_HDA_BUS; | 
 |     device_class_set_props(k, hda_props); | 
 | } | 
 |  | 
 | static const TypeInfo hda_codec_device_type_info = { | 
 |     .name = TYPE_HDA_CODEC_DEVICE, | 
 |     .parent = TYPE_DEVICE, | 
 |     .instance_size = sizeof(HDACodecDevice), | 
 |     .abstract = true, | 
 |     .class_size = sizeof(HDACodecDeviceClass), | 
 |     .class_init = hda_codec_device_class_init, | 
 | }; | 
 |  | 
 | /* | 
 |  * create intel hda controller with codec attached to it, | 
 |  * so '-soundhw hda' works. | 
 |  */ | 
 | static int intel_hda_and_codec_init(PCIBus *bus, const char *audiodev) | 
 | { | 
 |     DeviceState *controller; | 
 |     BusState *hdabus; | 
 |     DeviceState *codec; | 
 |  | 
 |     controller = DEVICE(pci_create_simple(bus, -1, "intel-hda")); | 
 |     hdabus = QLIST_FIRST(&controller->child_bus); | 
 |     codec = qdev_new("hda-duplex"); | 
 |     qdev_prop_set_string(codec, "audiodev", audiodev); | 
 |     qdev_realize_and_unref(codec, hdabus, &error_fatal); | 
 |     return 0; | 
 | } | 
 |  | 
 | static void intel_hda_register_types(void) | 
 | { | 
 |     type_register_static(&hda_codec_bus_info); | 
 |     type_register_static(&intel_hda_info); | 
 |     type_register_static(&intel_hda_info_ich6); | 
 |     type_register_static(&intel_hda_info_ich9); | 
 |     type_register_static(&hda_codec_device_type_info); | 
 |     pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init); | 
 | } | 
 |  | 
 | type_init(intel_hda_register_types) |