--- /dev/null
+/*
+ * 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 "hw/hw.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/msi.h"
+#include "qemu/timer.h"
+#include "hw/audio/audio.h"
+#include "intel-hda.h"
+#include "intel-hda-defs.h"
+#include "sysemu/dma.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_create_inplace(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
+ bus->response = response;
+ bus->xfer = xfer;
+}
+
+static int hda_codec_dev_init(DeviceState *qdev)
+{
+ HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, qdev->parent_bus);
+ HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
+ HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
+
+ if (dev->cad == -1) {
+ dev->cad = bus->next_cad;
+ }
+ if (dev->cad >= 15) {
+ return -1;
+ }
+ bus->next_cad = dev->cad + 1;
+ return cdc->init(dev);
+}
+
+static int hda_codec_dev_exit(DeviceState *qdev)
+{
+ HDACodecDevice *dev = DO_UPCAST(HDACodecDevice, qdev, qdev);
+ HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
+
+ if (cdc->exit) {
+ cdc->exit(dev);
+ }
+ return 0;
+}
+
+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 = DO_UPCAST(HDACodecDevice, qdev, qdev);
+ if (cdev->cad == cad) {
+ return cdev;
+ }
+ }
+ return NULL;
+}
+
+void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
+{
+ HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, 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 = DO_UPCAST(HDACodecBus, qbus, 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 mmio;
+ 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;
+ uint32_t msi;
+ bool old_msi_addr;
+};
+
+#define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
+
+#define INTEL_HDA(obj) \
+ OBJECT_CHECK(IntelHDAState, (obj), 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 void intel_hda_reset(DeviceState *dev);
+
+/* --------------------------------------------------------------------- */
+
+static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
+{
+ hwaddr addr;
+
+ addr = ((uint64_t)ubase << 32) | lbase;
+ return addr;
+}
+
+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)
+{
+ int msi = d->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", __FUNCTION__,
+ 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", __FUNCTION__);
+ 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", __FUNCTION__);
+ 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", __FUNCTION__, d->icw);
+ intel_hda_send_command(d, d->icw);
+ return;
+ }
+
+ for (;;) {
+ if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
+ dprint(d, 2, "%s: !run\n", __FUNCTION__);
+ return;
+ }
+ if ((d->corb_rp & 0xff) == d->corb_wp) {
+ dprint(d, 2, "%s: corb ring empty\n", __FUNCTION__);
+ return;
+ }
+ if (d->rirb_count == d->rirb_cnt) {
+ dprint(d, 2, "%s: rirb count reached\n", __FUNCTION__);
+ return;
+ }
+
+ rp = (d->corb_rp + 1) & 0xff;
+ addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
+ verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
+ d->corb_rp = rp;
+
+ dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __FUNCTION__, rp, verb);
+ intel_hda_send_command(d, verb);
+ }
+}
+
+static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
+{
+ HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, dev->qdev.parent_bus);
+ IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
+ hwaddr addr;
+ uint32_t wp, ex;
+
+ if (d->ics & ICH6_IRS_BUSY) {
+ dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
+ __FUNCTION__, 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", __FUNCTION__);
+ return;
+ }
+
+ ex = (solicited ? 0 : (1 << 4)) | dev->cad;
+ wp = (d->rirb_wp + 1) & 0xff;
+ addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
+ stl_le_pci_dma(&d->pci, addr + 8*wp, response);
+ stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
+ d->rirb_wp = wp;
+
+ dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
+ __FUNCTION__, wp, response, ex);
+
+ d->rirb_count++;
+ if (d->rirb_count == d->rirb_cnt) {
+ dprint(d, 2, "%s: rirb count reached (%d)\n", __FUNCTION__, 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", __FUNCTION__,
+ 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)
+{
+ HDACodecBus *bus = DO_UPCAST(HDACodecBus, qbus, 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;
+ }
+ if (st->ctl & (1 << 26)) {
+ /*
+ * Wait with the next DMA xfer until the guest
+ * has acked the buffer completion interrupt
+ */
+ return false;
+ }
+
+ left = len;
+ while (left > 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);
+ 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);
+ }
+ 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_malloc(sizeof(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 = DO_UPCAST(HDACodecDevice, qdev, 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) {
+ intel_hda_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;
+ }
+ 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,
+ },
+ [ ICH6_REG_WALLCLK + 0x2000 ] = {
+ .name = "WALLCLK(alias)",
+ .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_LPIB) + 0x2000 ] = { \
+ .stream = _i, \
+ .name = _t stringify(_i) " LPIB(alias)", \
+ .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 (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_writeb(void *opaque, hwaddr addr, uint32_t val)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ intel_hda_reg_write(d, reg, val, 0xff);
+}
+
+static void intel_hda_mmio_writew(void *opaque, hwaddr addr, uint32_t val)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ intel_hda_reg_write(d, reg, val, 0xffff);
+}
+
+static void intel_hda_mmio_writel(void *opaque, hwaddr addr, uint32_t val)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ intel_hda_reg_write(d, reg, val, 0xffffffff);
+}
+
+static uint32_t intel_hda_mmio_readb(void *opaque, hwaddr addr)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ return intel_hda_reg_read(d, reg, 0xff);
+}
+
+static uint32_t intel_hda_mmio_readw(void *opaque, hwaddr addr)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ return intel_hda_reg_read(d, reg, 0xffff);
+}
+
+static uint32_t intel_hda_mmio_readl(void *opaque, hwaddr addr)
+{
+ IntelHDAState *d = opaque;
+ const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
+
+ return intel_hda_reg_read(d, reg, 0xffffffff);
+}
+
+static const MemoryRegionOps intel_hda_mmio_ops = {
+ .old_mmio = {
+ .read = {
+ intel_hda_mmio_readb,
+ intel_hda_mmio_readw,
+ intel_hda_mmio_readl,
+ },
+ .write = {
+ intel_hda_mmio_writeb,
+ intel_hda_mmio_writew,
+ intel_hda_mmio_writel,
+ },
+ },
+ .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);
+
+ /* reset codecs */
+ QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
+ cdev = DO_UPCAST(HDACodecDevice, qdev, qdev);
+ device_reset(DEVICE(cdev));
+ 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;
+
+ 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;
+
+ memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
+ "intel-hda", 0x4000);
+ pci_register_bar(&d->pci, 0, 0, &d->mmio);
+ if (d->msi) {
+ msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60, 1, true, false);
+ }
+
+ 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", __FUNCTION__);
+ 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 = (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 = (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_UINT32("msi", IntelHDAState, msi, 1),
+ 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;
+ dc->props = 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,
+};
+
+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->init = hda_codec_dev_init;
+ k->exit = hda_codec_dev_exit;
+ set_bit(DEVICE_CATEGORY_SOUND, k->categories);
+ k->bus_type = TYPE_HDA_BUS;
+ k->props = 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)
+{
+ DeviceState *controller;
+ BusState *hdabus;
+ DeviceState *codec;
+
+ controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
+ hdabus = QLIST_FIRST(&controller->child_bus);
+ codec = qdev_create(hdabus, "hda-duplex");
+ qdev_init_nofail(codec);
+ 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)
Code Review / kvmfornfv.git / blobdiff