Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 731 insertions, 0 deletions

diff --git a/qemu/hw/audio/hda-codec.c b/qemu/hw/audio/hda-codec.c
new file mode 100644
index 000000000..3c03ff566
--- /dev/null
+++ b/qemu/hw/audio/hda-codec.c
@@ -0,0 +1,731 @@
+/*
+ * 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 "intel-hda.h"
+#include "intel-hda-defs.h"
+#include "audio/audio.h"
+
+/* -------------------------------------------------------------------------- */
+
+typedef struct desc_param {
+    uint32_t id;
+    uint32_t val;
+} desc_param;
+
+typedef struct desc_node {
+    uint32_t nid;
+    const char *name;
+    const desc_param *params;
+    uint32_t nparams;
+    uint32_t config;
+    uint32_t pinctl;
+    uint32_t *conn;
+    uint32_t stindex;
+} desc_node;
+
+typedef struct desc_codec {
+    const char *name;
+    uint32_t iid;
+    const desc_node *nodes;
+    uint32_t nnodes;
+} desc_codec;
+
+static const desc_param* hda_codec_find_param(const desc_node *node, uint32_t id)
+{
+    int i;
+
+    for (i = 0; i < node->nparams; i++) {
+        if (node->params[i].id == id) {
+            return &node->params[i];
+        }
+    }
+    return NULL;
+}
+
+static const desc_node* hda_codec_find_node(const desc_codec *codec, uint32_t nid)
+{
+    int i;
+
+    for (i = 0; i < codec->nnodes; i++) {
+        if (codec->nodes[i].nid == nid) {
+            return &codec->nodes[i];
+        }
+    }
+    return NULL;
+}
+
+static void hda_codec_parse_fmt(uint32_t format, struct audsettings *as)
+{
+    if (format & AC_FMT_TYPE_NON_PCM) {
+        return;
+    }
+
+    as->freq = (format & AC_FMT_BASE_44K) ? 44100 : 48000;
+
+    switch ((format & AC_FMT_MULT_MASK) >> AC_FMT_MULT_SHIFT) {
+    case 1: as->freq *= 2; break;
+    case 2: as->freq *= 3; break;
+    case 3: as->freq *= 4; break;
+    }
+
+    switch ((format & AC_FMT_DIV_MASK) >> AC_FMT_DIV_SHIFT) {
+    case 1: as->freq /= 2; break;
+    case 2: as->freq /= 3; break;
+    case 3: as->freq /= 4; break;
+    case 4: as->freq /= 5; break;
+    case 5: as->freq /= 6; break;
+    case 6: as->freq /= 7; break;
+    case 7: as->freq /= 8; break;
+    }
+
+    switch (format & AC_FMT_BITS_MASK) {
+    case AC_FMT_BITS_8:  as->fmt = AUD_FMT_S8;  break;
+    case AC_FMT_BITS_16: as->fmt = AUD_FMT_S16; break;
+    case AC_FMT_BITS_32: as->fmt = AUD_FMT_S32; break;
+    }
+
+    as->nchannels = ((format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT) + 1;
+}
+
+/* -------------------------------------------------------------------------- */
+/*
+ * HDA codec descriptions
+ */
+
+/* some defines */
+
+#define QEMU_HDA_ID_VENDOR  0x1af4
+#define QEMU_HDA_PCM_FORMATS (AC_SUPPCM_BITS_16 |       \
+                              0x1fc /* 16 -> 96 kHz */)
+#define QEMU_HDA_AMP_NONE    (0)
+#define QEMU_HDA_AMP_STEPS   0x4a
+
+#define   PARAM mixemu
+#define   HDA_MIXER
+#include "hda-codec-common.h"
+
+#define   PARAM nomixemu
+#include  "hda-codec-common.h"
+
+/* -------------------------------------------------------------------------- */
+
+static const char *fmt2name[] = {
+    [ AUD_FMT_U8  ] = "PCM-U8",
+    [ AUD_FMT_S8  ] = "PCM-S8",
+    [ AUD_FMT_U16 ] = "PCM-U16",
+    [ AUD_FMT_S16 ] = "PCM-S16",
+    [ AUD_FMT_U32 ] = "PCM-U32",
+    [ AUD_FMT_S32 ] = "PCM-S32",
+};
+
+typedef struct HDAAudioState HDAAudioState;
+typedef struct HDAAudioStream HDAAudioStream;
+
+struct HDAAudioStream {
+    HDAAudioState *state;
+    const desc_node *node;
+    bool output, running;
+    uint32_t stream;
+    uint32_t channel;
+    uint32_t format;
+    uint32_t gain_left, gain_right;
+    bool mute_left, mute_right;
+    struct audsettings as;
+    union {
+        SWVoiceIn *in;
+        SWVoiceOut *out;
+    } voice;
+    uint8_t buf[HDA_BUFFER_SIZE];
+    uint32_t bpos;
+};
+
+#define TYPE_HDA_AUDIO "hda-audio"
+#define HDA_AUDIO(obj) OBJECT_CHECK(HDAAudioState, (obj), TYPE_HDA_AUDIO)
+
+struct HDAAudioState {
+    HDACodecDevice hda;
+    const char *name;
+
+    QEMUSoundCard card;
+    const desc_codec *desc;
+    HDAAudioStream st[4];
+    bool running_compat[16];
+    bool running_real[2 * 16];
+
+    /* properties */
+    uint32_t debug;
+    bool     mixer;
+};
+
+static void hda_audio_input_cb(void *opaque, int avail)
+{
+    HDAAudioStream *st = opaque;
+    int recv = 0;
+    int len;
+    bool rc;
+
+    while (avail - recv >= sizeof(st->buf)) {
+        if (st->bpos != sizeof(st->buf)) {
+            len = AUD_read(st->voice.in, st->buf + st->bpos,
+                           sizeof(st->buf) - st->bpos);
+            st->bpos += len;
+            recv += len;
+            if (st->bpos != sizeof(st->buf)) {
+                break;
+            }
+        }
+        rc = hda_codec_xfer(&st->state->hda, st->stream, false,
+                            st->buf, sizeof(st->buf));
+        if (!rc) {
+            break;
+        }
+        st->bpos = 0;
+    }
+}
+
+static void hda_audio_output_cb(void *opaque, int avail)
+{
+    HDAAudioStream *st = opaque;
+    int sent = 0;
+    int len;
+    bool rc;
+
+    while (avail - sent >= sizeof(st->buf)) {
+        if (st->bpos == sizeof(st->buf)) {
+            rc = hda_codec_xfer(&st->state->hda, st->stream, true,
+                                st->buf, sizeof(st->buf));
+            if (!rc) {
+                break;
+            }
+            st->bpos = 0;
+        }
+        len = AUD_write(st->voice.out, st->buf + st->bpos,
+                        sizeof(st->buf) - st->bpos);
+        st->bpos += len;
+        sent += len;
+        if (st->bpos != sizeof(st->buf)) {
+            break;
+        }
+    }
+}
+
+static void hda_audio_set_running(HDAAudioStream *st, bool running)
+{
+    if (st->node == NULL) {
+        return;
+    }
+    if (st->running == running) {
+        return;
+    }
+    st->running = running;
+    dprint(st->state, 1, "%s: %s (stream %d)\n", st->node->name,
+           st->running ? "on" : "off", st->stream);
+    if (st->output) {
+        AUD_set_active_out(st->voice.out, st->running);
+    } else {
+        AUD_set_active_in(st->voice.in, st->running);
+    }
+}
+
+static void hda_audio_set_amp(HDAAudioStream *st)
+{
+    bool muted;
+    uint32_t left, right;
+
+    if (st->node == NULL) {
+        return;
+    }
+
+    muted = st->mute_left && st->mute_right;
+    left  = st->mute_left  ? 0 : st->gain_left;
+    right = st->mute_right ? 0 : st->gain_right;
+
+    left = left * 255 / QEMU_HDA_AMP_STEPS;
+    right = right * 255 / QEMU_HDA_AMP_STEPS;
+
+    if (!st->state->mixer) {
+        return;
+    }
+    if (st->output) {
+        AUD_set_volume_out(st->voice.out, muted, left, right);
+    } else {
+        AUD_set_volume_in(st->voice.in, muted, left, right);
+    }
+}
+
+static void hda_audio_setup(HDAAudioStream *st)
+{
+    if (st->node == NULL) {
+        return;
+    }
+
+    dprint(st->state, 1, "%s: format: %d x %s @ %d Hz\n",
+           st->node->name, st->as.nchannels,
+           fmt2name[st->as.fmt], st->as.freq);
+
+    if (st->output) {
+        st->voice.out = AUD_open_out(&st->state->card, st->voice.out,
+                                     st->node->name, st,
+                                     hda_audio_output_cb, &st->as);
+    } else {
+        st->voice.in = AUD_open_in(&st->state->card, st->voice.in,
+                                   st->node->name, st,
+                                   hda_audio_input_cb, &st->as);
+    }
+}
+
+static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+    HDAAudioStream *st;
+    const desc_node *node = NULL;
+    const desc_param *param;
+    uint32_t verb, payload, response, count, shift;
+
+    if ((data & 0x70000) == 0x70000) {
+        /* 12/8 id/payload */
+        verb = (data >> 8) & 0xfff;
+        payload = data & 0x00ff;
+    } else {
+        /* 4/16 id/payload */
+        verb = (data >> 8) & 0xf00;
+        payload = data & 0xffff;
+    }
+
+    node = hda_codec_find_node(a->desc, nid);
+    if (node == NULL) {
+        goto fail;
+    }
+    dprint(a, 2, "%s: nid %d (%s), verb 0x%x, payload 0x%x\n",
+           __FUNCTION__, nid, node->name, verb, payload);
+
+    switch (verb) {
+    /* all nodes */
+    case AC_VERB_PARAMETERS:
+        param = hda_codec_find_param(node, payload);
+        if (param == NULL) {
+            goto fail;
+        }
+        hda_codec_response(hda, true, param->val);
+        break;
+    case AC_VERB_GET_SUBSYSTEM_ID:
+        hda_codec_response(hda, true, a->desc->iid);
+        break;
+
+    /* all functions */
+    case AC_VERB_GET_CONNECT_LIST:
+        param = hda_codec_find_param(node, AC_PAR_CONNLIST_LEN);
+        count = param ? param->val : 0;
+        response = 0;
+        shift = 0;
+        while (payload < count && shift < 32) {
+            response |= node->conn[payload] << shift;
+            payload++;
+            shift += 8;
+        }
+        hda_codec_response(hda, true, response);
+        break;
+
+    /* pin widget */
+    case AC_VERB_GET_CONFIG_DEFAULT:
+        hda_codec_response(hda, true, node->config);
+        break;
+    case AC_VERB_GET_PIN_WIDGET_CONTROL:
+        hda_codec_response(hda, true, node->pinctl);
+        break;
+    case AC_VERB_SET_PIN_WIDGET_CONTROL:
+        if (node->pinctl != payload) {
+            dprint(a, 1, "unhandled pin control bit\n");
+        }
+        hda_codec_response(hda, true, 0);
+        break;
+
+    /* audio in/out widget */
+    case AC_VERB_SET_CHANNEL_STREAMID:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        hda_audio_set_running(st, false);
+        st->stream = (payload >> 4) & 0x0f;
+        st->channel = payload & 0x0f;
+        dprint(a, 2, "%s: stream %d, channel %d\n",
+               st->node->name, st->stream, st->channel);
+        hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
+        hda_codec_response(hda, true, 0);
+        break;
+    case AC_VERB_GET_CONV:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        response = st->stream << 4 | st->channel;
+        hda_codec_response(hda, true, response);
+        break;
+    case AC_VERB_SET_STREAM_FORMAT:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        st->format = payload;
+        hda_codec_parse_fmt(st->format, &st->as);
+        hda_audio_setup(st);
+        hda_codec_response(hda, true, 0);
+        break;
+    case AC_VERB_GET_STREAM_FORMAT:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        hda_codec_response(hda, true, st->format);
+        break;
+    case AC_VERB_GET_AMP_GAIN_MUTE:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        if (payload & AC_AMP_GET_LEFT) {
+            response = st->gain_left | (st->mute_left ? AC_AMP_MUTE : 0);
+        } else {
+            response = st->gain_right | (st->mute_right ? AC_AMP_MUTE : 0);
+        }
+        hda_codec_response(hda, true, response);
+        break;
+    case AC_VERB_SET_AMP_GAIN_MUTE:
+        st = a->st + node->stindex;
+        if (st->node == NULL) {
+            goto fail;
+        }
+        dprint(a, 1, "amp (%s): %s%s%s%s index %d  gain %3d %s\n",
+               st->node->name,
+               (payload & AC_AMP_SET_OUTPUT) ? "o" : "-",
+               (payload & AC_AMP_SET_INPUT)  ? "i" : "-",
+               (payload & AC_AMP_SET_LEFT)   ? "l" : "-",
+               (payload & AC_AMP_SET_RIGHT)  ? "r" : "-",
+               (payload & AC_AMP_SET_INDEX) >> AC_AMP_SET_INDEX_SHIFT,
+               (payload & AC_AMP_GAIN),
+               (payload & AC_AMP_MUTE) ? "muted" : "");
+        if (payload & AC_AMP_SET_LEFT) {
+            st->gain_left = payload & AC_AMP_GAIN;
+            st->mute_left = payload & AC_AMP_MUTE;
+        }
+        if (payload & AC_AMP_SET_RIGHT) {
+            st->gain_right = payload & AC_AMP_GAIN;
+            st->mute_right = payload & AC_AMP_MUTE;
+        }
+        hda_audio_set_amp(st);
+        hda_codec_response(hda, true, 0);
+        break;
+
+    /* not supported */
+    case AC_VERB_SET_POWER_STATE:
+    case AC_VERB_GET_POWER_STATE:
+    case AC_VERB_GET_SDI_SELECT:
+        hda_codec_response(hda, true, 0);
+        break;
+    default:
+        goto fail;
+    }
+    return;
+
+fail:
+    dprint(a, 1, "%s: not handled: nid %d (%s), verb 0x%x, payload 0x%x\n",
+           __FUNCTION__, nid, node ? node->name : "?", verb, payload);
+    hda_codec_response(hda, true, 0);
+}
+
+static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running, bool output)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+    int s;
+
+    a->running_compat[stnr] = running;
+    a->running_real[output * 16 + stnr] = running;
+    for (s = 0; s < ARRAY_SIZE(a->st); s++) {
+        if (a->st[s].node == NULL) {
+            continue;
+        }
+        if (a->st[s].output != output) {
+            continue;
+        }
+        if (a->st[s].stream != stnr) {
+            continue;
+        }
+        hda_audio_set_running(&a->st[s], running);
+    }
+}
+
+static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+    HDAAudioStream *st;
+    const desc_node *node;
+    const desc_param *param;
+    uint32_t i, type;
+
+    a->desc = desc;
+    a->name = object_get_typename(OBJECT(a));
+    dprint(a, 1, "%s: cad %d\n", __FUNCTION__, a->hda.cad);
+
+    AUD_register_card("hda", &a->card);
+    for (i = 0; i < a->desc->nnodes; i++) {
+        node = a->desc->nodes + i;
+        param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
+        if (param == NULL) {
+            continue;
+        }
+        type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+        switch (type) {
+        case AC_WID_AUD_OUT:
+        case AC_WID_AUD_IN:
+            assert(node->stindex < ARRAY_SIZE(a->st));
+            st = a->st + node->stindex;
+            st->state = a;
+            st->node = node;
+            if (type == AC_WID_AUD_OUT) {
+                /* unmute output by default */
+                st->gain_left = QEMU_HDA_AMP_STEPS;
+                st->gain_right = QEMU_HDA_AMP_STEPS;
+                st->bpos = sizeof(st->buf);
+                st->output = true;
+            } else {
+                st->output = false;
+            }
+            st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 |
+                (1 << AC_FMT_CHAN_SHIFT);
+            hda_codec_parse_fmt(st->format, &st->as);
+            hda_audio_setup(st);
+            break;
+        }
+    }
+    return 0;
+}
+
+static int hda_audio_exit(HDACodecDevice *hda)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+    HDAAudioStream *st;
+    int i;
+
+    dprint(a, 1, "%s\n", __FUNCTION__);
+    for (i = 0; i < ARRAY_SIZE(a->st); i++) {
+        st = a->st + i;
+        if (st->node == NULL) {
+            continue;
+        }
+        if (st->output) {
+            AUD_close_out(&a->card, st->voice.out);
+        } else {
+            AUD_close_in(&a->card, st->voice.in);
+        }
+    }
+    AUD_remove_card(&a->card);
+    return 0;
+}
+
+static int hda_audio_post_load(void *opaque, int version)
+{
+    HDAAudioState *a = opaque;
+    HDAAudioStream *st;
+    int i;
+
+    dprint(a, 1, "%s\n", __FUNCTION__);
+    if (version == 1) {
+        /* assume running_compat[] is for output streams */
+        for (i = 0; i < ARRAY_SIZE(a->running_compat); i++)
+            a->running_real[16 + i] = a->running_compat[i];
+    }
+
+    for (i = 0; i < ARRAY_SIZE(a->st); i++) {
+        st = a->st + i;
+        if (st->node == NULL)
+            continue;
+        hda_codec_parse_fmt(st->format, &st->as);
+        hda_audio_setup(st);
+        hda_audio_set_amp(st);
+        hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
+    }
+    return 0;
+}
+
+static void hda_audio_reset(DeviceState *dev)
+{
+    HDAAudioState *a = HDA_AUDIO(dev);
+    HDAAudioStream *st;
+    int i;
+
+    dprint(a, 1, "%s\n", __func__);
+    for (i = 0; i < ARRAY_SIZE(a->st); i++) {
+        st = a->st + i;
+        if (st->node != NULL) {
+            hda_audio_set_running(st, false);
+        }
+    }
+}
+
+static const VMStateDescription vmstate_hda_audio_stream = {
+    .name = "hda-audio-stream",
+    .version_id = 1,
+    .fields = (VMStateField[]) {
+        VMSTATE_UINT32(stream, HDAAudioStream),
+        VMSTATE_UINT32(channel, HDAAudioStream),
+        VMSTATE_UINT32(format, HDAAudioStream),
+        VMSTATE_UINT32(gain_left, HDAAudioStream),
+        VMSTATE_UINT32(gain_right, HDAAudioStream),
+        VMSTATE_BOOL(mute_left, HDAAudioStream),
+        VMSTATE_BOOL(mute_right, HDAAudioStream),
+        VMSTATE_UINT32(bpos, HDAAudioStream),
+        VMSTATE_BUFFER(buf, HDAAudioStream),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const VMStateDescription vmstate_hda_audio = {
+    .name = "hda-audio",
+    .version_id = 2,
+    .post_load = hda_audio_post_load,
+    .fields = (VMStateField[]) {
+        VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
+                             vmstate_hda_audio_stream,
+                             HDAAudioStream),
+        VMSTATE_BOOL_ARRAY(running_compat, HDAAudioState, 16),
+        VMSTATE_BOOL_ARRAY_V(running_real, HDAAudioState, 2 * 16, 2),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static Property hda_audio_properties[] = {
+    DEFINE_PROP_UINT32("debug", HDAAudioState, debug,   0),
+    DEFINE_PROP_BOOL("mixer", HDAAudioState, mixer,  true),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static int hda_audio_init_output(HDACodecDevice *hda)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+
+    if (!a->mixer) {
+        return hda_audio_init(hda, &output_nomixemu);
+    } else {
+        return hda_audio_init(hda, &output_mixemu);
+    }
+}
+
+static int hda_audio_init_duplex(HDACodecDevice *hda)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+
+    if (!a->mixer) {
+        return hda_audio_init(hda, &duplex_nomixemu);
+    } else {
+        return hda_audio_init(hda, &duplex_mixemu);
+    }
+}
+
+static int hda_audio_init_micro(HDACodecDevice *hda)
+{
+    HDAAudioState *a = HDA_AUDIO(hda);
+
+    if (!a->mixer) {
+        return hda_audio_init(hda, &micro_nomixemu);
+    } else {
+        return hda_audio_init(hda, &micro_mixemu);
+    }
+}
+
+static void hda_audio_base_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
+
+    k->exit = hda_audio_exit;
+    k->command = hda_audio_command;
+    k->stream = hda_audio_stream;
+    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+    dc->reset = hda_audio_reset;
+    dc->vmsd = &vmstate_hda_audio;
+    dc->props = hda_audio_properties;
+}
+
+static const TypeInfo hda_audio_info = {
+    .name          = TYPE_HDA_AUDIO,
+    .parent        = TYPE_HDA_CODEC_DEVICE,
+    .class_init    = hda_audio_base_class_init,
+    .abstract      = true,
+};
+
+static void hda_audio_output_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
+
+    k->init = hda_audio_init_output;
+    dc->desc = "HDA Audio Codec, output-only (line-out)";
+}
+
+static const TypeInfo hda_audio_output_info = {
+    .name          = "hda-output",
+    .parent        = TYPE_HDA_AUDIO,
+    .instance_size = sizeof(HDAAudioState),
+    .class_init    = hda_audio_output_class_init,
+};
+
+static void hda_audio_duplex_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
+
+    k->init = hda_audio_init_duplex;
+    dc->desc = "HDA Audio Codec, duplex (line-out, line-in)";
+}
+
+static const TypeInfo hda_audio_duplex_info = {
+    .name          = "hda-duplex",
+    .parent        = TYPE_HDA_AUDIO,
+    .instance_size = sizeof(HDAAudioState),
+    .class_init    = hda_audio_duplex_class_init,
+};
+
+static void hda_audio_micro_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
+
+    k->init = hda_audio_init_micro;
+    dc->desc = "HDA Audio Codec, duplex (speaker, microphone)";
+}
+
+static const TypeInfo hda_audio_micro_info = {
+    .name          = "hda-micro",
+    .parent        = TYPE_HDA_AUDIO,
+    .instance_size = sizeof(HDAAudioState),
+    .class_init    = hda_audio_micro_class_init,
+};
+
+static void hda_audio_register_types(void)
+{
+    type_register_static(&hda_audio_info);
+    type_register_static(&hda_audio_output_info);
+    type_register_static(&hda_audio_duplex_info);
+    type_register_static(&hda_audio_micro_info);
+}
+
+type_init(hda_audio_register_types)