diff --git a/broadcastradio/1.1/vts/functional/Android.bp b/broadcastradio/1.1/vts/functional/Android.bp
index c016c16..27ae4e9 100644
--- a/broadcastradio/1.1/vts/functional/Android.bp
+++ b/broadcastradio/1.1/vts/functional/Android.bp
@@ -22,7 +22,7 @@
         "android.hardware.broadcastradio@1.0",
         "android.hardware.broadcastradio@1.1",
         "android.hardware.broadcastradio@1.2",  // common-utils-lib dependency
-        "android.hardware.broadcastradio@common-utils-lib",
+        "android.hardware.broadcastradio@common-utils-1x-lib",
         "android.hardware.broadcastradio@vts-utils-lib",
         "libgmock",
     ],
diff --git a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
index bb490c9..823d14c 100644
--- a/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
+++ b/broadcastradio/1.1/vts/functional/VtsHalBroadcastradioV1_1TargetTest.cpp
@@ -17,15 +17,16 @@
 #define LOG_TAG "broadcastradio.vts"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <android-base/logging.h>
 #include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
 #include <android/hardware/broadcastradio/1.1/IBroadcastRadioFactory.h>
 #include <android/hardware/broadcastradio/1.1/ITuner.h>
 #include <android/hardware/broadcastradio/1.1/ITunerCallback.h>
 #include <android/hardware/broadcastradio/1.1/types.h>
-#include <android-base/logging.h>
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 #include <broadcastradio-vts-utils/call-barrier.h>
 #include <broadcastradio-vts-utils/mock-timeout.h>
+#include <broadcastradio-vts-utils/pointer-utils.h>
 #include <cutils/native_handle.h>
 #include <cutils/properties.h>
 #include <gmock/gmock.h>
@@ -56,8 +57,7 @@
 using V1_0::MetadataKey;
 using V1_0::MetadataType;
 
-using std::chrono::steady_clock;
-using std::this_thread::sleep_for;
+using broadcastradio::vts::clearAndWait;
 
 static constexpr auto kConfigTimeout = 10s;
 static constexpr auto kConnectModuleTimeout = 1s;
@@ -115,27 +115,6 @@
     hidl_vec<BandConfig> mBands;
 };
 
-/**
- * Clears strong pointer and waits until the object gets destroyed.
- *
- * @param ptr The pointer to get cleared.
- * @param timeout Time to wait for other references.
- */
-template <typename T>
-static void clearAndWait(sp<T>& ptr, std::chrono::milliseconds timeout) {
-    wp<T> wptr = ptr;
-    ptr.clear();
-    auto limit = steady_clock::now() + timeout;
-    while (wptr.promote() != nullptr) {
-        constexpr auto step = 10ms;
-        if (steady_clock::now() + step > limit) {
-            FAIL() << "Pointer was not released within timeout";
-            break;
-        }
-        sleep_for(step);
-    }
-}
-
 void BroadcastRadioHalTest::SetUp() {
     radioClass = GetParam();
 
diff --git a/broadcastradio/1.2/Android.bp b/broadcastradio/1.2/Android.bp
index 913da8c..40eb4e0 100644
--- a/broadcastradio/1.2/Android.bp
+++ b/broadcastradio/1.2/Android.bp
@@ -18,6 +18,7 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "IdentifierType",
     ],
     gen_java: false,
 }
diff --git a/broadcastradio/1.2/default/Android.bp b/broadcastradio/1.2/default/Android.bp
index e42cb1e..bd4be77 100644
--- a/broadcastradio/1.2/default/Android.bp
+++ b/broadcastradio/1.2/default/Android.bp
@@ -33,6 +33,7 @@
         "service.cpp"
     ],
     static_libs: [
+        "android.hardware.broadcastradio@common-utils-1x-lib",
         "android.hardware.broadcastradio@common-utils-lib",
     ],
     shared_libs: [
diff --git a/broadcastradio/1.2/default/Tuner.cpp b/broadcastradio/1.2/default/Tuner.cpp
index 6209dc1..f589332 100644
--- a/broadcastradio/1.2/default/Tuner.cpp
+++ b/broadcastradio/1.2/default/Tuner.cpp
@@ -20,7 +20,7 @@
 #include "BroadcastRadio.h"
 #include "Tuner.h"
 
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 #include <log/log.h>
 
 namespace android {
diff --git a/broadcastradio/1.2/default/VirtualProgram.cpp b/broadcastradio/1.2/default/VirtualProgram.cpp
index 3284bd1..3594f64 100644
--- a/broadcastradio/1.2/default/VirtualProgram.cpp
+++ b/broadcastradio/1.2/default/VirtualProgram.cpp
@@ -15,7 +15,7 @@
  */
 #include "VirtualProgram.h"
 
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 
 #include "resources.h"
 
@@ -83,13 +83,6 @@
     if (l.primaryId.type != r.primaryId.type) return l.primaryId.type < r.primaryId.type;
     if (l.primaryId.value != r.primaryId.value) return l.primaryId.value < r.primaryId.value;
 
-    // A little exception for HD Radio subchannel - we check secondary ID too.
-    if (utils::hasId(l, IdentifierType::HD_SUBCHANNEL) &&
-        utils::hasId(r, IdentifierType::HD_SUBCHANNEL)) {
-        return utils::getId(l, IdentifierType::HD_SUBCHANNEL) <
-               utils::getId(r, IdentifierType::HD_SUBCHANNEL);
-    }
-
     return false;
 }
 
diff --git a/broadcastradio/1.2/default/VirtualProgram.h b/broadcastradio/1.2/default/VirtualProgram.h
index 5342c84..c0b20f0 100644
--- a/broadcastradio/1.2/default/VirtualProgram.h
+++ b/broadcastradio/1.2/default/VirtualProgram.h
@@ -17,7 +17,7 @@
 #define ANDROID_HARDWARE_BROADCASTRADIO_V1_2_VIRTUALPROGRAM_H
 
 #include <android/hardware/broadcastradio/1.2/types.h>
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 
 namespace android {
 namespace hardware {
diff --git a/broadcastradio/1.2/default/VirtualRadio.cpp b/broadcastradio/1.2/default/VirtualRadio.cpp
index 867726d..8988080 100644
--- a/broadcastradio/1.2/default/VirtualRadio.cpp
+++ b/broadcastradio/1.2/default/VirtualRadio.cpp
@@ -18,7 +18,7 @@
 
 #include "VirtualRadio.h"
 
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 #include <log/log.h>
 
 namespace android {
diff --git a/broadcastradio/1.2/vts/functional/Android.bp b/broadcastradio/1.2/vts/functional/Android.bp
index 12da14e..fd1c254 100644
--- a/broadcastradio/1.2/vts/functional/Android.bp
+++ b/broadcastradio/1.2/vts/functional/Android.bp
@@ -22,7 +22,6 @@
         "android.hardware.broadcastradio@1.0",
         "android.hardware.broadcastradio@1.1",
         "android.hardware.broadcastradio@1.2",
-        "android.hardware.broadcastradio@common-utils-lib",
         "android.hardware.broadcastradio@vts-utils-lib",
         "libgmock",
     ],
diff --git a/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp b/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp
index f3552a8..085206b 100644
--- a/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp
+++ b/broadcastradio/1.2/vts/functional/VtsHalBroadcastradioV1_2TargetTest.cpp
@@ -17,15 +17,15 @@
 #define LOG_TAG "broadcastradio.vts"
 
 #include <VtsHalHidlTargetTestBase.h>
+#include <android-base/logging.h>
 #include <android/hardware/broadcastradio/1.1/IBroadcastRadio.h>
 #include <android/hardware/broadcastradio/1.2/IBroadcastRadioFactory.h>
 #include <android/hardware/broadcastradio/1.2/ITuner.h>
 #include <android/hardware/broadcastradio/1.2/ITunerCallback.h>
 #include <android/hardware/broadcastradio/1.2/types.h>
-#include <android-base/logging.h>
-#include <broadcastradio-utils/Utils.h>
 #include <broadcastradio-vts-utils/call-barrier.h>
 #include <broadcastradio-vts-utils/mock-timeout.h>
+#include <broadcastradio-vts-utils/pointer-utils.h>
 #include <cutils/native_handle.h>
 #include <cutils/properties.h>
 #include <gmock/gmock.h>
@@ -61,8 +61,7 @@
 using V1_1::ProgramSelector;
 using V1_1::Properties;
 
-using std::chrono::steady_clock;
-using std::this_thread::sleep_for;
+using broadcastradio::vts::clearAndWait;
 
 static constexpr auto kConfigTimeout = 10s;
 static constexpr auto kConnectModuleTimeout = 1s;
@@ -111,27 +110,6 @@
     hidl_vec<BandConfig> mBands;
 };
 
-/**
- * Clears strong pointer and waits until the object gets destroyed.
- *
- * @param ptr The pointer to get cleared.
- * @param timeout Time to wait for other references.
- */
-template <typename T>
-static void clearAndWait(sp<T>& ptr, std::chrono::milliseconds timeout) {
-    wp<T> wptr = ptr;
-    ptr.clear();
-    auto limit = steady_clock::now() + timeout;
-    while (wptr.promote() != nullptr) {
-        constexpr auto step = 10ms;
-        if (steady_clock::now() + step > limit) {
-            FAIL() << "Pointer was not released within timeout";
-            break;
-        }
-        sleep_for(step);
-    }
-}
-
 void BroadcastRadioHalTest::SetUp() {
     radioClass = GetParam();
 
diff --git a/broadcastradio/2.0/default/Android.bp b/broadcastradio/2.0/default/Android.bp
new file mode 100644
index 0000000..6d4effb
--- /dev/null
+++ b/broadcastradio/2.0/default/Android.bp
@@ -0,0 +1,46 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_binary {
+    name: "android.hardware.broadcastradio@2.0-service",
+    init_rc: ["android.hardware.broadcastradio@2.0-service.rc"],
+    vendor: true,
+    relative_install_path: "hw",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "BroadcastRadio.cpp",
+        "TunerSession.cpp",
+        "VirtualProgram.cpp",
+        "VirtualRadio.cpp",
+        "service.cpp"
+    ],
+    static_libs: [
+        "android.hardware.broadcastradio@common-utils-2x-lib",
+        "android.hardware.broadcastradio@common-utils-lib",
+    ],
+    shared_libs: [
+        "android.hardware.broadcastradio@2.0",
+        "libbase",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+}
diff --git a/broadcastradio/2.0/default/BroadcastRadio.cpp b/broadcastradio/2.0/default/BroadcastRadio.cpp
new file mode 100644
index 0000000..5ab517d
--- /dev/null
+++ b/broadcastradio/2.0/default/BroadcastRadio.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "BcRadioDef.module"
+#define LOG_NDEBUG 0
+
+#include "BroadcastRadio.h"
+
+#include <log/log.h>
+
+#include "resources.h"
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+using std::lock_guard;
+using std::map;
+using std::mutex;
+using std::vector;
+
+static Properties initProperties(const VirtualRadio& virtualRadio) {
+    Properties prop = {};
+
+    prop.maker = "Google";
+    prop.product = virtualRadio.getName();
+    prop.supportedIdentifierTypes = hidl_vec<uint32_t>({
+        static_cast<uint32_t>(IdentifierType::AMFM_FREQUENCY),
+        static_cast<uint32_t>(IdentifierType::RDS_PI),
+        static_cast<uint32_t>(IdentifierType::HD_STATION_ID_EXT),
+    });
+    prop.vendorInfo = hidl_vec<VendorKeyValue>({
+        {"com.google.dummy", "dummy"},
+    });
+
+    return prop;
+}
+
+BroadcastRadio::BroadcastRadio(const VirtualRadio& virtualRadio)
+    : mVirtualRadio(virtualRadio), mProperties(initProperties(virtualRadio)) {}
+
+Return<void> BroadcastRadio::getProperties(getProperties_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    _hidl_cb(mProperties);
+    return {};
+}
+
+Return<void> BroadcastRadio::openSession(const sp<ITunerCallback>& callback,
+                                         openSession_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+
+    auto oldSession = mSession.promote();
+    if (oldSession != nullptr) {
+        ALOGI("Closing previously opened tuner");
+        oldSession->close();
+        mSession = nullptr;
+    }
+
+    sp<TunerSession> newSession = new TunerSession(*this, callback);
+    mSession = newSession;
+
+    _hidl_cb(Result::OK, newSession);
+    return {};
+}
+
+Return<void> BroadcastRadio::getImage(uint32_t id, getImage_cb _hidl_cb) {
+    ALOGV("%s(%x)", __func__, id);
+
+    if (id == resources::demoPngId) {
+        _hidl_cb(std::vector<uint8_t>(resources::demoPng, std::end(resources::demoPng)));
+        return {};
+    }
+
+    ALOGI("Image %x doesn't exists", id);
+    _hidl_cb({});
+    return {};
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/2.0/default/BroadcastRadio.h b/broadcastradio/2.0/default/BroadcastRadio.h
new file mode 100644
index 0000000..fcf0615
--- /dev/null
+++ b/broadcastradio/2.0/default/BroadcastRadio.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_BROADCASTRADIO_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_BROADCASTRADIO_H
+
+#include "TunerSession.h"
+
+#include <android/hardware/broadcastradio/2.0/IBroadcastRadio.h>
+#include <android/hardware/broadcastradio/2.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+struct BroadcastRadio : public IBroadcastRadio {
+    BroadcastRadio(const VirtualRadio& virtualRadio);
+
+    // V2_0::IBroadcastRadio methods
+    Return<void> getProperties(getProperties_cb _hidl_cb) override;
+    Return<void> openSession(const sp<ITunerCallback>& callback, openSession_cb _hidl_cb) override;
+    Return<void> getImage(uint32_t id, getImage_cb _hidl_cb);
+
+    std::reference_wrapper<const VirtualRadio> mVirtualRadio;
+    Properties mProperties;
+
+   private:
+    std::mutex mMut;
+    wp<TunerSession> mSession;
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_BROADCASTRADIO_H
diff --git a/broadcastradio/common/utils/OWNERS b/broadcastradio/2.0/default/OWNERS
similarity index 100%
copy from broadcastradio/common/utils/OWNERS
copy to broadcastradio/2.0/default/OWNERS
diff --git a/broadcastradio/2.0/default/TunerSession.cpp b/broadcastradio/2.0/default/TunerSession.cpp
new file mode 100644
index 0000000..f0b98b8
--- /dev/null
+++ b/broadcastradio/2.0/default/TunerSession.cpp
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "BcRadioDef.tuner"
+#define LOG_NDEBUG 0
+
+#include "TunerSession.h"
+
+#include "BroadcastRadio.h"
+
+#include <broadcastradio-utils-2x/Utils.h>
+#include <log/log.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+using namespace std::chrono_literals;
+
+using utils::tunesTo;
+
+using std::lock_guard;
+using std::move;
+using std::mutex;
+using std::sort;
+using std::vector;
+
+namespace delay {
+
+static constexpr auto scan = 200ms;
+static constexpr auto step = 100ms;
+static constexpr auto tune = 150ms;
+
+}  // namespace delay
+
+TunerSession::TunerSession(BroadcastRadio& module, const sp<ITunerCallback>& callback)
+    : mCallback(callback), mModule(module) {}
+
+// makes ProgramInfo that points to no program
+static ProgramInfo makeDummyProgramInfo(const ProgramSelector& selector) {
+    ProgramInfo info = {};
+    info.selector = selector;
+    return info;
+}
+
+void TunerSession::tuneInternalLocked(const ProgramSelector& sel) {
+    VirtualProgram virtualProgram;
+    ProgramInfo programInfo;
+    if (virtualRadio().getProgram(sel, virtualProgram)) {
+        mCurrentProgram = virtualProgram.selector;
+        programInfo = virtualProgram;
+    } else {
+        mCurrentProgram = sel;
+        programInfo = makeDummyProgramInfo(sel);
+    }
+    mIsTuneCompleted = true;
+
+    mCallback->onCurrentProgramInfoChanged(programInfo);
+}
+
+const VirtualRadio& TunerSession::virtualRadio() const {
+    return mModule.get().mVirtualRadio;
+}
+
+Return<Result> TunerSession::tune(const ProgramSelector& sel) {
+    ALOGV("%s(%s)", __func__, toString(sel).c_str());
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::INVALID_STATE;
+
+    if (!utils::isSupported(mModule.get().mProperties, sel)) {
+        ALOGW("Selector not supported");
+        return Result::NOT_SUPPORTED;
+    }
+
+    if (!utils::isValid(sel)) {
+        ALOGE("ProgramSelector is not valid");
+        return Result::INVALID_ARGUMENTS;
+    }
+
+    mIsTuneCompleted = false;
+    auto task = [this, sel]() {
+        lock_guard<mutex> lk(mMut);
+        tuneInternalLocked(sel);
+    };
+    mThread.schedule(task, delay::tune);
+
+    return Result::OK;
+}
+
+Return<Result> TunerSession::scan(bool directionUp, bool /* skipSubChannel */) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::INVALID_STATE;
+
+    auto list = virtualRadio().getProgramList();
+
+    if (list.empty()) {
+        mIsTuneCompleted = false;
+        auto task = [this, directionUp]() {
+            ALOGI("Performing failed scan up=%d", directionUp);
+
+            mCallback->onTuneFailed(Result::TIMEOUT, {});
+        };
+        mThread.schedule(task, delay::scan);
+
+        return Result::OK;
+    }
+
+    // Not optimal (O(sort) instead of O(n)), but not a big deal here;
+    // also, it's likely that list is already sorted (so O(n) anyway).
+    sort(list.begin(), list.end());
+    auto current = mCurrentProgram;
+    auto found = lower_bound(list.begin(), list.end(), VirtualProgram({current}));
+    if (directionUp) {
+        if (found < list.end() - 1) {
+            if (tunesTo(current, found->selector)) found++;
+        } else {
+            found = list.begin();
+        }
+    } else {
+        if (found > list.begin() && found != list.end()) {
+            found--;
+        } else {
+            found = list.end() - 1;
+        }
+    }
+    auto tuneTo = found->selector;
+
+    mIsTuneCompleted = false;
+    auto task = [this, tuneTo, directionUp]() {
+        ALOGI("Performing scan up=%d", directionUp);
+
+        lock_guard<mutex> lk(mMut);
+        tuneInternalLocked(tuneTo);
+    };
+    mThread.schedule(task, delay::scan);
+
+    return Result::OK;
+}
+
+Return<Result> TunerSession::step(bool directionUp) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::INVALID_STATE;
+
+    if (!utils::hasId(mCurrentProgram, IdentifierType::AMFM_FREQUENCY)) {
+        ALOGE("Can't step in anything else than AM/FM");
+        return Result::NOT_SUPPORTED;
+    }
+
+    mIsTuneCompleted = false;
+
+    auto stepTo = utils::getId(mCurrentProgram, IdentifierType::AMFM_FREQUENCY);
+#if 0
+    // TODO(b/69958423): handle regions
+    if (directionUp) {
+        stepTo += mAmfmConfig.spacings[0];
+    } else {
+        stepTo -= mAmfmConfig.spacings[0];
+    }
+
+    if (stepTo > mAmfmConfig.upperLimit) stepTo = mAmfmConfig.lowerLimit;
+    if (stepTo < mAmfmConfig.lowerLimit) stepTo = mAmfmConfig.upperLimit;
+#else
+    if (directionUp) {
+        stepTo += 100;
+    } else {
+        stepTo -= 100;
+    }
+#endif
+
+    auto task = [this, stepTo]() {
+        ALOGI("Performing step to %s", std::to_string(stepTo).c_str());
+
+        lock_guard<mutex> lk(mMut);
+
+        tuneInternalLocked(utils::make_selector_amfm(stepTo));
+    };
+    mThread.schedule(task, delay::step);
+
+    return Result::OK;
+}
+
+Return<void> TunerSession::cancel() {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return {};
+
+    mThread.cancelAll();
+    return {};
+}
+
+Return<void> TunerSession::setParameters(const hidl_vec<VendorKeyValue>& /* parameters */,
+                                         setParameters_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+
+    _hidl_cb({});
+    return {};
+}
+
+Return<void> TunerSession::getParameters(const hidl_vec<hidl_string>& /* keys */,
+                                         getParameters_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+
+    _hidl_cb({});
+    return {};
+}
+
+Return<void> TunerSession::close() {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return {};
+
+    mIsClosed = true;
+    mThread.cancelAll();
+    return {};
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/2.0/default/TunerSession.h b/broadcastradio/2.0/default/TunerSession.h
new file mode 100644
index 0000000..08a7588
--- /dev/null
+++ b/broadcastradio/2.0/default/TunerSession.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H
+
+#include "VirtualRadio.h"
+
+#include <android/hardware/broadcastradio/2.0/ITunerCallback.h>
+#include <android/hardware/broadcastradio/2.0/ITunerSession.h>
+#include <broadcastradio-utils/WorkerThread.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+struct BroadcastRadio;
+
+struct TunerSession : public ITunerSession {
+    TunerSession(BroadcastRadio& module, const sp<ITunerCallback>& callback);
+
+    // V2_0::ITunerSession methods
+    virtual Return<Result> tune(const ProgramSelector& program) override;
+    virtual Return<Result> scan(bool directionUp, bool skipSubChannel) override;
+    virtual Return<Result> step(bool directionUp) override;
+    virtual Return<void> cancel() override;
+    virtual Return<void> setParameters(const hidl_vec<VendorKeyValue>& parameters,
+                                       setParameters_cb _hidl_cb) override;
+    virtual Return<void> getParameters(const hidl_vec<hidl_string>& keys,
+                                       getParameters_cb _hidl_cb) override;
+    virtual Return<void> close() override;
+
+   private:
+    std::mutex mMut;
+    WorkerThread mThread;
+    bool mIsClosed = false;
+
+    const sp<ITunerCallback> mCallback;
+
+    std::reference_wrapper<BroadcastRadio> mModule;
+    bool mIsTuneCompleted = false;
+    ProgramSelector mCurrentProgram = {};
+
+    void tuneInternalLocked(const ProgramSelector& sel);
+    const VirtualRadio& virtualRadio() const;
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_TUNER_H
diff --git a/broadcastradio/2.0/default/VirtualProgram.cpp b/broadcastradio/2.0/default/VirtualProgram.cpp
new file mode 100644
index 0000000..1acd4d3
--- /dev/null
+++ b/broadcastradio/2.0/default/VirtualProgram.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "VirtualProgram.h"
+
+#include "resources.h"
+
+#include <broadcastradio-utils-2x/Utils.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+using utils::getType;
+using utils::make_metadata;
+
+using std::vector;
+
+VirtualProgram::operator ProgramInfo() const {
+    ProgramInfo info = {};
+
+    info.selector = selector;
+
+    auto pType = getType(selector.primaryId);
+    auto isDigital = (pType != IdentifierType::AMFM_FREQUENCY && pType != IdentifierType::RDS_PI);
+
+    info.infoFlags |= ProgramInfoFlags::TUNED;
+    info.infoFlags |= ProgramInfoFlags::STEREO;
+    info.signalQuality = isDigital ? 100 : 80;
+
+    info.metadata = hidl_vec<Metadata>({
+        make_metadata(MetadataKey::RDS_PS, programName),
+        make_metadata(MetadataKey::SONG_TITLE, songTitle),
+        make_metadata(MetadataKey::SONG_ARTIST, songArtist),
+        make_metadata(MetadataKey::STATION_ICON, resources::demoPngId),
+        make_metadata(MetadataKey::ALBUM_ART, resources::demoPngId),
+    });
+
+    info.vendorInfo = hidl_vec<VendorKeyValue>({
+        {"com.google.dummy", "dummy"},
+        {"com.google.dummy.VirtualProgram", std::to_string(reinterpret_cast<uintptr_t>(this))},
+    });
+
+    return info;
+}
+
+bool operator<(const VirtualProgram& lhs, const VirtualProgram& rhs) {
+    auto& l = lhs.selector;
+    auto& r = rhs.selector;
+
+    // Two programs with the same primaryId are considered the same.
+    if (l.primaryId.type != r.primaryId.type) return l.primaryId.type < r.primaryId.type;
+    if (l.primaryId.value != r.primaryId.value) return l.primaryId.value < r.primaryId.value;
+
+    return false;
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/2.0/default/VirtualProgram.h b/broadcastradio/2.0/default/VirtualProgram.h
new file mode 100644
index 0000000..e1c4f75
--- /dev/null
+++ b/broadcastradio/2.0/default/VirtualProgram.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALPROGRAM_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALPROGRAM_H
+
+#include <android/hardware/broadcastradio/2.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+/**
+ * A radio program mock.
+ *
+ * This represents broadcast waves flying over the air,
+ * not an entry for a captured station in the radio tuner memory.
+ */
+struct VirtualProgram {
+    ProgramSelector selector;
+
+    std::string programName = "";
+    std::string songArtist = "";
+    std::string songTitle = "";
+
+    operator ProgramInfo() const;
+
+    /**
+     * Defines order on how virtual programs appear on the "air" with
+     * ITunerSession::scan operation.
+     *
+     * It's for default implementation purposes, may not be complete or correct.
+     */
+    friend bool operator<(const VirtualProgram& lhs, const VirtualProgram& rhs);
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALPROGRAM_H
diff --git a/broadcastradio/2.0/default/VirtualRadio.cpp b/broadcastradio/2.0/default/VirtualRadio.cpp
new file mode 100644
index 0000000..f601d41
--- /dev/null
+++ b/broadcastradio/2.0/default/VirtualRadio.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "BcRadioDef.VirtualRadio"
+//#define LOG_NDEBUG 0
+
+#include "VirtualRadio.h"
+
+#include <broadcastradio-utils-2x/Utils.h>
+#include <log/log.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+using std::lock_guard;
+using std::move;
+using std::mutex;
+using std::vector;
+using utils::make_selector_amfm;
+
+VirtualRadio gAmFmRadio(
+    "AM/FM radio mock",
+    {
+        {make_selector_amfm(94900), "Wild 94.9", "Drake ft. Rihanna", "Too Good"},
+        {make_selector_amfm(96500), "KOIT", "Celine Dion", "All By Myself"},
+        {make_selector_amfm(97300), "Alice@97.3", "Drops of Jupiter", "Train"},
+        {make_selector_amfm(99700), "99.7 Now!", "The Chainsmokers", "Closer"},
+        {make_selector_amfm(101300), "101-3 KISS-FM", "Justin Timberlake", "Rock Your Body"},
+        {make_selector_amfm(103700), "iHeart80s @ 103.7", "Michael Jackson", "Billie Jean"},
+        {make_selector_amfm(106100), "106 KMEL", "Drake", "Marvins Room"},
+    });
+
+VirtualRadio::VirtualRadio(const std::string& name, const vector<VirtualProgram>& initialList)
+    : mName(name), mPrograms(initialList) {}
+
+std::string VirtualRadio::getName() const {
+    return mName;
+}
+
+vector<VirtualProgram> VirtualRadio::getProgramList() const {
+    lock_guard<mutex> lk(mMut);
+    return mPrograms;
+}
+
+bool VirtualRadio::getProgram(const ProgramSelector& selector, VirtualProgram& programOut) const {
+    lock_guard<mutex> lk(mMut);
+    for (auto&& program : mPrograms) {
+        if (utils::tunesTo(selector, program.selector)) {
+            programOut = program;
+            return true;
+        }
+    }
+    return false;
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/2.0/default/VirtualRadio.h b/broadcastradio/2.0/default/VirtualRadio.h
new file mode 100644
index 0000000..9c07816
--- /dev/null
+++ b/broadcastradio/2.0/default/VirtualRadio.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALRADIO_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALRADIO_H
+
+#include "VirtualProgram.h"
+
+#include <mutex>
+#include <vector>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+
+/**
+ * A radio frequency space mock.
+ *
+ * This represents all broadcast waves in the air for a given radio technology,
+ * not a captured station list in the radio tuner memory.
+ *
+ * It's meant to abstract out radio content from default tuner implementation.
+ */
+class VirtualRadio {
+   public:
+    VirtualRadio(const std::string& name, const std::vector<VirtualProgram>& initialList);
+
+    std::string getName() const;
+    std::vector<VirtualProgram> getProgramList() const;
+    bool getProgram(const ProgramSelector& selector, VirtualProgram& program) const;
+
+   private:
+    mutable std::mutex mMut;
+    std::string mName;
+    std::vector<VirtualProgram> mPrograms;
+};
+
+/** AM/FM virtual radio space. */
+extern VirtualRadio gAmFmRadio;
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_VIRTUALRADIO_H
diff --git a/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
new file mode 100644
index 0000000..7d68b6c
--- /dev/null
+++ b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
@@ -0,0 +1,4 @@
+service broadcastradio-hal2 /vendor/bin/hw/android.hardware.broadcastradio@2.0-service
+    class hal
+    user audioserver
+    group audio
diff --git a/broadcastradio/2.0/default/resources.h b/broadcastradio/2.0/default/resources.h
new file mode 100644
index 0000000..97360dd
--- /dev/null
+++ b/broadcastradio/2.0/default/resources.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_V2_0_RESOURCES_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_V2_0_RESOURCES_H
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace implementation {
+namespace resources {
+
+constexpr int32_t demoPngId = 123456;
+constexpr uint8_t demoPng[] = {
+    0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44,
+    0x52, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x40, 0x08, 0x02, 0x00, 0x00, 0x00, 0x25,
+    0x0b, 0xe6, 0x89, 0x00, 0x00, 0x00, 0x5d, 0x49, 0x44, 0x41, 0x54, 0x68, 0xde, 0xed, 0xd9,
+    0xc1, 0x09, 0x00, 0x30, 0x08, 0x04, 0xc1, 0x33, 0xfd, 0xf7, 0x6c, 0x6a, 0xc8, 0x23, 0x04,
+    0xc9, 0x6c, 0x01, 0xc2, 0x20, 0xbe, 0x4c, 0x86, 0x57, 0x49, 0xba, 0xfb, 0xd6, 0xf4, 0xba,
+    0x3e, 0x7f, 0x4d, 0xdf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x8f, 0x00, 0xbd, 0xce, 0x7f,
+    0xc0, 0x11, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0xb8, 0x0d, 0x32, 0xd4, 0x0c, 0x77, 0xbd,
+    0xfb, 0xc1, 0xce, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82};
+
+}  // namespace resources
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V2_0_RESOURCES_H
diff --git a/broadcastradio/2.0/default/service.cpp b/broadcastradio/2.0/default/service.cpp
new file mode 100644
index 0000000..7e677a1
--- /dev/null
+++ b/broadcastradio/2.0/default/service.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "BcRadioDef.service"
+
+#include <android-base/logging.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include "BroadcastRadio.h"
+#include "VirtualRadio.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::hardware::broadcastradio::V2_0::implementation::BroadcastRadio;
+using android::hardware::broadcastradio::V2_0::implementation::gAmFmRadio;
+
+int main(int /* argc */, char** /* argv */) {
+    configureRpcThreadpool(4, true);
+
+    BroadcastRadio broadcastRadio(gAmFmRadio);
+    auto status = broadcastRadio.registerAsService();
+    CHECK_EQ(status, android::OK) << "Failed to register Broadcast Radio HAL implementation";
+
+    joinRpcThreadpool();
+    return 1;  // joinRpcThreadpool shouldn't exit
+}
diff --git a/broadcastradio/common/tests/OWNERS b/broadcastradio/2.0/vts/OWNERS
similarity index 100%
rename from broadcastradio/common/tests/OWNERS
rename to broadcastradio/2.0/vts/OWNERS
diff --git a/broadcastradio/2.0/vts/functional/Android.bp b/broadcastradio/2.0/vts/functional/Android.bp
new file mode 100644
index 0000000..6017b15
--- /dev/null
+++ b/broadcastradio/2.0/vts/functional/Android.bp
@@ -0,0 +1,28 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalBroadcastradioV2_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: ["VtsHalBroadcastradioV2_0TargetTest.cpp"],
+    static_libs: [
+        "android.hardware.broadcastradio@2.0",
+        "android.hardware.broadcastradio@common-utils-2x-lib",
+        "android.hardware.broadcastradio@vts-utils-lib",
+        "android.hardware.broadcastradio@vts-utils-lib",
+        "libgmock",
+    ],
+}
diff --git a/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp b/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp
new file mode 100644
index 0000000..a12afd6
--- /dev/null
+++ b/broadcastradio/2.0/vts/functional/VtsHalBroadcastradioV2_0TargetTest.cpp
@@ -0,0 +1,392 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "BcRadio.vts"
+
+#include <VtsHalHidlTargetTestBase.h>
+#include <android-base/logging.h>
+#include <android/hardware/broadcastradio/2.0/IBroadcastRadio.h>
+#include <android/hardware/broadcastradio/2.0/ITunerCallback.h>
+#include <android/hardware/broadcastradio/2.0/ITunerSession.h>
+#include <android/hardware/broadcastradio/2.0/types.h>
+#include <broadcastradio-utils-2x/Utils.h>
+#include <broadcastradio-vts-utils/call-barrier.h>
+#include <broadcastradio-vts-utils/mock-timeout.h>
+#include <broadcastradio-vts-utils/pointer-utils.h>
+#include <gmock/gmock.h>
+
+#include <chrono>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V2_0 {
+namespace vts {
+
+using namespace std::chrono_literals;
+
+using std::vector;
+using testing::_;
+using testing::AnyNumber;
+using testing::ByMove;
+using testing::DoAll;
+using testing::Invoke;
+using testing::SaveArg;
+
+using broadcastradio::vts::CallBarrier;
+using broadcastradio::vts::clearAndWait;
+using utils::make_identifier;
+using utils::make_selector_amfm;
+
+namespace timeout {
+
+static constexpr auto tune = 30s;
+
+}  // namespace timeout
+
+struct TunerCallbackMock : public ITunerCallback {
+    TunerCallbackMock() {
+        // we expect the antenna is connected through the whole test
+        EXPECT_CALL(*this, onAntennaStateChange(false)).Times(0);
+    }
+
+    MOCK_METHOD2(onTuneFailed, Return<void>(Result, const ProgramSelector&));
+    MOCK_TIMEOUT_METHOD1(onCurrentProgramInfoChanged, Return<void>(const ProgramInfo&));
+    MOCK_METHOD1(onAntennaStateChange, Return<void>(bool connected));
+    MOCK_METHOD1(onParametersUpdated, Return<void>(const hidl_vec<VendorKeyValue>& parameters));
+};
+
+class BroadcastRadioHalTest : public ::testing::VtsHalHidlTargetTestBase {
+   protected:
+    virtual void SetUp() override;
+    virtual void TearDown() override;
+
+    bool openSession();
+
+    sp<IBroadcastRadio> mModule;
+    Properties mProperties;
+    sp<ITunerSession> mSession;
+    sp<TunerCallbackMock> mCallback = new TunerCallbackMock();
+};
+
+void BroadcastRadioHalTest::SetUp() {
+    EXPECT_EQ(nullptr, mModule.get()) << "Module is already open";
+
+    // lookup HIDL service (radio module)
+    mModule = getService<IBroadcastRadio>();
+    ASSERT_NE(nullptr, mModule.get()) << "Couldn't find broadcast radio HAL implementation";
+
+    // get module properties
+    auto propResult = mModule->getProperties([&](const Properties& p) { mProperties = p; });
+    ASSERT_TRUE(propResult.isOk());
+
+    EXPECT_FALSE(mProperties.maker.empty());
+    EXPECT_FALSE(mProperties.product.empty());
+    EXPECT_GT(mProperties.supportedIdentifierTypes.size(), 0u);
+}
+
+void BroadcastRadioHalTest::TearDown() {
+    mSession.clear();
+    mModule.clear();
+    clearAndWait(mCallback, 1s);
+}
+
+bool BroadcastRadioHalTest::openSession() {
+    EXPECT_EQ(nullptr, mSession.get()) << "Session is already open";
+
+    Result halResult = Result::UNKNOWN_ERROR;
+    auto openCb = [&](Result result, const sp<ITunerSession>& session) {
+        halResult = result;
+        if (result != Result::OK) return;
+        mSession = session;
+    };
+    auto hidlResult = mModule->openSession(mCallback, openCb);
+
+    EXPECT_TRUE(hidlResult.isOk());
+    EXPECT_EQ(Result::OK, halResult);
+    EXPECT_NE(nullptr, mSession.get());
+
+    return nullptr != mSession.get();
+}
+
+/**
+ * Test session opening.
+ *
+ * Verifies that:
+ *  - the method succeeds on a first and subsequent calls;
+ *  - the method succeeds when called for the second time without
+ *    closing previous session.
+ */
+TEST_F(BroadcastRadioHalTest, OpenSession) {
+    // simply open session for the first time
+    ASSERT_TRUE(openSession());
+
+    // drop (without explicit close) and re-open the session
+    mSession.clear();
+    ASSERT_TRUE(openSession());
+
+    // open the second session (the first one should be forcibly closed)
+    auto secondSession = mSession;
+    mSession.clear();
+    ASSERT_TRUE(openSession());
+}
+
+/**
+ * Test tuning with FM selector.
+ *
+ * Verifies that:
+ *  - if AM/FM selector is not supported, the method returns NOT_SUPPORTED;
+ *  - if it is supported, the method succeeds;
+ *  - after a successful tune call, onCurrentProgramInfoChanged callback is
+ *    invoked carrying a proper selector;
+ *  - program changes exactly to what was requested.
+ */
+TEST_F(BroadcastRadioHalTest, FmTune) {
+    ASSERT_TRUE(openSession());
+
+    uint64_t freq = 100100;  // 100.1 FM
+    auto sel = make_selector_amfm(freq);
+
+    // try tuning
+    ProgramInfo infoCb = {};
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _)
+        .Times(AnyNumber())
+        .WillOnce(DoAll(SaveArg<0>(&infoCb), testing::Return(ByMove(Void()))));
+    auto result = mSession->tune(sel);
+
+    // expect a failure if it's not supported
+    if (!utils::isSupported(mProperties, sel)) {
+        EXPECT_EQ(Result::NOT_SUPPORTED, result);
+        return;
+    }
+
+    // expect a callback if it succeeds
+    EXPECT_EQ(Result::OK, result);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+
+    // it should tune exactly to what was requested
+    auto freqs = utils::getAllIds(infoCb.selector, IdentifierType::AMFM_FREQUENCY);
+    EXPECT_NE(freqs.end(), find(freqs.begin(), freqs.end(), freq));
+}
+
+/**
+ * Test tuning with invalid selectors.
+ *
+ * Verifies that:
+ *  - if the selector is not supported, it's ignored;
+ *  - if it is supported, an invalid value results with INVALID_ARGUMENTS;
+ */
+TEST_F(BroadcastRadioHalTest, TuneFailsWithInvalid) {
+    ASSERT_TRUE(openSession());
+
+    vector<ProgramIdentifier> invalid = {
+        make_identifier(IdentifierType::AMFM_FREQUENCY, 0),
+        make_identifier(IdentifierType::RDS_PI, 0x10000),
+        make_identifier(IdentifierType::HD_STATION_ID_EXT, 0x100000000),
+        make_identifier(IdentifierType::DAB_SID_EXT, 0),
+        make_identifier(IdentifierType::DRMO_SERVICE_ID, 0x100000000),
+        make_identifier(IdentifierType::SXM_SERVICE_ID, 0x100000000),
+    };
+
+    for (auto&& id : invalid) {
+        ProgramSelector sel{id, {}};
+
+        auto result = mSession->tune(sel);
+
+        if (utils::isSupported(mProperties, sel)) {
+            EXPECT_EQ(Result::INVALID_ARGUMENTS, result);
+        } else {
+            EXPECT_EQ(Result::NOT_SUPPORTED, result);
+        }
+    }
+}
+
+/**
+ * Test tuning with empty program selector.
+ *
+ * Verifies that:
+ *  - tune fails with NOT_SUPPORTED when program selector is not initialized.
+ */
+TEST_F(BroadcastRadioHalTest, TuneFailsWithEmpty) {
+    ASSERT_TRUE(openSession());
+
+    // Program type is 1-based, so 0 will always be invalid.
+    ProgramSelector sel = {};
+    auto result = mSession->tune(sel);
+    ASSERT_EQ(Result::NOT_SUPPORTED, result);
+}
+
+/**
+ * Test scanning to next/prev station.
+ *
+ * Verifies that:
+ *  - the method succeeds;
+ *  - the program info is changed within timeout::tune;
+ *  - works both directions and with or without skipping sub-channel.
+ */
+TEST_F(BroadcastRadioHalTest, Scan) {
+    ASSERT_TRUE(openSession());
+
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    auto result = mSession->scan(true /* up */, true /* skip subchannel */);
+    EXPECT_EQ(Result::OK, result);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    result = mSession->scan(false /* down */, false /* don't skip subchannel */);
+    EXPECT_EQ(Result::OK, result);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+}
+
+/**
+ * Test step operation.
+ *
+ * Verifies that:
+ *  - the method succeeds or returns NOT_SUPPORTED;
+ *  - the program info is changed within timeout::tune if the method succeeded;
+ *  - works both directions.
+ */
+TEST_F(BroadcastRadioHalTest, Step) {
+    ASSERT_TRUE(openSession());
+
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _).Times(AnyNumber());
+    auto result = mSession->step(true /* up */);
+    if (result == Result::NOT_SUPPORTED) return;
+    EXPECT_EQ(Result::OK, result);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+
+    EXPECT_TIMEOUT_CALL(*mCallback, onCurrentProgramInfoChanged, _);
+    result = mSession->step(false /* down */);
+    EXPECT_EQ(Result::OK, result);
+    EXPECT_TIMEOUT_CALL_WAIT(*mCallback, onCurrentProgramInfoChanged, timeout::tune);
+}
+
+/**
+ * Test tune cancellation.
+ *
+ * Verifies that:
+ *  - the method does not crash after being invoked multiple times.
+ */
+TEST_F(BroadcastRadioHalTest, Cancel) {
+    ASSERT_TRUE(openSession());
+
+    for (int i = 0; i < 10; i++) {
+        auto scanResult = mSession->scan(true /* up */, true /* skip subchannel */);
+        ASSERT_EQ(Result::OK, scanResult);
+
+        auto cancelResult = mSession->cancel();
+        ASSERT_TRUE(cancelResult.isOk());
+    }
+}
+
+/**
+ * Test IBroadcastRadio::get|setParameters() methods called with no parameters.
+ *
+ * Verifies that:
+ *  - callback is called for empty parameters set.
+ */
+TEST_F(BroadcastRadioHalTest, NoParameters) {
+    ASSERT_TRUE(openSession());
+
+    hidl_vec<VendorKeyValue> halResults = {};
+    bool wasCalled = false;
+    auto cb = [&](hidl_vec<VendorKeyValue> results) {
+        wasCalled = true;
+        halResults = results;
+    };
+
+    auto hidlResult = mSession->setParameters({}, cb);
+    ASSERT_TRUE(hidlResult.isOk());
+    ASSERT_TRUE(wasCalled);
+    ASSERT_EQ(0u, halResults.size());
+
+    wasCalled = false;
+    hidlResult = mSession->getParameters({}, cb);
+    ASSERT_TRUE(hidlResult.isOk());
+    ASSERT_TRUE(wasCalled);
+    ASSERT_EQ(0u, halResults.size());
+}
+
+/**
+ * Test IBroadcastRadio::get|setParameters() methods called with unknown parameters.
+ *
+ * Verifies that:
+ *  - unknown parameters are ignored;
+ *  - callback is called also for empty results set.
+ */
+TEST_F(BroadcastRadioHalTest, UnknownParameters) {
+    ASSERT_TRUE(openSession());
+
+    hidl_vec<VendorKeyValue> halResults = {};
+    bool wasCalled = false;
+    auto cb = [&](hidl_vec<VendorKeyValue> results) {
+        wasCalled = true;
+        halResults = results;
+    };
+
+    auto hidlResult = mSession->setParameters({{"com.google.unknown", "dummy"}}, cb);
+    ASSERT_TRUE(hidlResult.isOk());
+    ASSERT_TRUE(wasCalled);
+    ASSERT_EQ(0u, halResults.size());
+
+    wasCalled = false;
+    hidlResult = mSession->getParameters({{"com.google.unknown*", "dummy"}}, cb);
+    ASSERT_TRUE(hidlResult.isOk());
+    ASSERT_TRUE(wasCalled);
+    ASSERT_EQ(0u, halResults.size());
+}
+
+/**
+ * Test session closing.
+ *
+ * Verifies that:
+ *  - the method does not crash after being invoked multiple times.
+ */
+TEST_F(BroadcastRadioHalTest, Close) {
+    ASSERT_TRUE(openSession());
+
+    for (int i = 0; i < 10; i++) {
+        auto cancelResult = mSession->close();
+        ASSERT_TRUE(cancelResult.isOk());
+    }
+}
+
+/**
+ * Test geting image of invalid ID.
+ *
+ * Verifies that:
+ * - getImage call handles argument 0 gracefully.
+ */
+TEST_F(BroadcastRadioHalTest, GetNoImage) {
+    size_t len = 0;
+    auto result = mModule->getImage(0, [&](hidl_vec<uint8_t> rawImage) { len = rawImage.size(); });
+
+    ASSERT_TRUE(result.isOk());
+    ASSERT_EQ(0u, len);
+}
+
+}  // namespace vts
+}  // namespace V2_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    ALOGI("Test result = %d", status);
+    return status;
+}
diff --git a/broadcastradio/common/utils/OWNERS b/broadcastradio/common/OWNERS
similarity index 100%
rename from broadcastradio/common/utils/OWNERS
rename to broadcastradio/common/OWNERS
diff --git a/broadcastradio/common/tests/Android.bp b/broadcastradio/common/tests/Android.bp
index 4456602..bbad527 100644
--- a/broadcastradio/common/tests/Android.bp
+++ b/broadcastradio/common/tests/Android.bp
@@ -26,4 +26,25 @@
         "WorkerThread_test.cpp",
     ],
     static_libs: ["android.hardware.broadcastradio@common-utils-lib"],
-}
\ No newline at end of file
+}
+
+cc_test {
+    name: "android.hardware.broadcastradio@common-utils-xx-tests",
+    vendor: true,
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "CommonXX_test.cpp",
+    ],
+    static_libs: [
+        "android.hardware.broadcastradio@common-utils-1x-lib",
+        "android.hardware.broadcastradio@common-utils-2x-lib",
+    ],
+    shared_libs: [
+        "android.hardware.broadcastradio@1.2",
+        "android.hardware.broadcastradio@2.0",
+    ],
+}
diff --git a/broadcastradio/common/tests/CommonXX_test.cpp b/broadcastradio/common/tests/CommonXX_test.cpp
new file mode 100644
index 0000000..d19204e
--- /dev/null
+++ b/broadcastradio/common/tests/CommonXX_test.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <broadcastradio-utils-1x/Utils.h>
+#include <broadcastradio-utils-2x/Utils.h>
diff --git a/broadcastradio/common/utils/Android.bp b/broadcastradio/common/utils/Android.bp
index d29d05c..33ba7da 100644
--- a/broadcastradio/common/utils/Android.bp
+++ b/broadcastradio/common/utils/Android.bp
@@ -24,11 +24,12 @@
         "-Werror",
     ],
     srcs: [
-        "Utils.cpp",
         "WorkerThread.cpp",
     ],
     export_include_dirs: ["include"],
     shared_libs: [
-        "android.hardware.broadcastradio@1.2",
+        "libbase",
+        "liblog",
+        "libutils",
     ],
 }
diff --git a/broadcastradio/common/utils1x/Android.bp b/broadcastradio/common/utils1x/Android.bp
new file mode 100644
index 0000000..127c15a
--- /dev/null
+++ b/broadcastradio/common/utils1x/Android.bp
@@ -0,0 +1,33 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_library_static {
+    name: "android.hardware.broadcastradio@common-utils-1x-lib",
+    vendor_available: true,
+    relative_install_path: "hw",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "Utils.cpp",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "android.hardware.broadcastradio@1.2",
+    ],
+}
diff --git a/broadcastradio/common/utils/Utils.cpp b/broadcastradio/common/utils1x/Utils.cpp
similarity index 97%
rename from broadcastradio/common/utils/Utils.cpp
rename to broadcastradio/common/utils1x/Utils.cpp
index 22a6970..7a59d6a 100644
--- a/broadcastradio/common/utils/Utils.cpp
+++ b/broadcastradio/common/utils1x/Utils.cpp
@@ -16,7 +16,7 @@
 #define LOG_TAG "BroadcastRadioDefault.utils"
 //#define LOG_NDEBUG 0
 
-#include <broadcastradio-utils/Utils.h>
+#include <broadcastradio-utils-1x/Utils.h>
 
 #include <log/log.h>
 
@@ -59,9 +59,7 @@
     /* We should check all Ids of a given type (ie. other AF),
      * but it doesn't matter for default implementation.
      */
-    auto aId = getId(a, type);
-    auto bId = getId(b, type);
-    return aId == bId;
+    return getId(a, type) == getId(b, type);
 }
 
 bool tunesTo(const ProgramSelector& a, const ProgramSelector& b) {
@@ -242,14 +240,16 @@
 namespace V1_0 {
 
 bool operator==(const BandConfig& l, const BandConfig& r) {
+    using namespace utils;
+
     if (l.type != r.type) return false;
     if (l.antennaConnected != r.antennaConnected) return false;
     if (l.lowerLimit != r.lowerLimit) return false;
     if (l.upperLimit != r.upperLimit) return false;
     if (l.spacings != r.spacings) return false;
-    if (utils::isAm(l.type)) {
+    if (isAm(l.type)) {
         return l.ext.am == r.ext.am;
-    } else if (utils::isFm(l.type)) {
+    } else if (isFm(l.type)) {
         return l.ext.fm == r.ext.fm;
     } else {
         ALOGW("Unsupported band config type: %s", toString(l.type).c_str());
diff --git a/broadcastradio/common/utils/include/broadcastradio-utils/Utils.h b/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
similarity index 88%
rename from broadcastradio/common/utils/include/broadcastradio-utils/Utils.h
rename to broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
index 9cdc629..5884b5a 100644
--- a/broadcastradio/common/utils/include/broadcastradio-utils/Utils.h
+++ b/broadcastradio/common/utils1x/include/broadcastradio-utils-1x/Utils.h
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_H
-#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_H
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
 
 #include <android/hardware/broadcastradio/1.2/types.h>
 #include <chrono>
@@ -68,8 +68,8 @@
 
 V1_1::ProgramSelector make_selector(V1_0::Band band, uint32_t channel, uint32_t subChannel = 0);
 
-bool getLegacyChannel(const V1_1::ProgramSelector& sel,
-        uint32_t* channelOut, uint32_t* subChannelOut);
+bool getLegacyChannel(const V1_1::ProgramSelector& sel, uint32_t* channelOut,
+                      uint32_t* subChannelOut);
 
 bool isDigital(const V1_1::ProgramSelector& sel);
 
@@ -85,4 +85,4 @@
 }  // namespace hardware
 }  // namespace android
 
-#endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_H
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_1X_H
diff --git a/broadcastradio/common/utils2x/Android.bp b/broadcastradio/common/utils2x/Android.bp
new file mode 100644
index 0000000..c6b94af
--- /dev/null
+++ b/broadcastradio/common/utils2x/Android.bp
@@ -0,0 +1,33 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_library_static {
+    name: "android.hardware.broadcastradio@common-utils-2x-lib",
+    vendor_available: true,
+    relative_install_path: "hw",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "Utils.cpp",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "android.hardware.broadcastradio@2.0",
+    ],
+}
diff --git a/broadcastradio/common/utils2x/Utils.cpp b/broadcastradio/common/utils2x/Utils.cpp
new file mode 100644
index 0000000..d157108
--- /dev/null
+++ b/broadcastradio/common/utils2x/Utils.cpp
@@ -0,0 +1,249 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "BcRadioDef.utils"
+//#define LOG_NDEBUG 0
+
+#include <broadcastradio-utils-2x/Utils.h>
+
+#include <log/log.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace utils {
+
+using V2_0::IdentifierType;
+using V2_0::Metadata;
+using V2_0::MetadataKey;
+using V2_0::ProgramIdentifier;
+using V2_0::ProgramSelector;
+
+using std::string;
+using std::vector;
+
+IdentifierType getType(const ProgramIdentifier& id) {
+    return static_cast<IdentifierType>(id.type);
+}
+
+static bool bothHaveId(const ProgramSelector& a, const ProgramSelector& b,
+                       const IdentifierType type) {
+    return hasId(a, type) && hasId(b, type);
+}
+
+static bool haveEqualIds(const ProgramSelector& a, const ProgramSelector& b,
+                         const IdentifierType type) {
+    if (!bothHaveId(a, b, type)) return false;
+    /* We should check all Ids of a given type (ie. other AF),
+     * but it doesn't matter for default implementation.
+     */
+    return getId(a, type) == getId(b, type);
+}
+
+static int getHdSubchannel(const ProgramSelector& sel) {
+    auto hdsidext = getId(sel, IdentifierType::HD_STATION_ID_EXT, 0);
+    hdsidext >>= 32;        // Station ID number
+    return hdsidext & 0xF;  // HD Radio subchannel
+}
+
+bool tunesTo(const ProgramSelector& a, const ProgramSelector& b) {
+    auto type = getType(b.primaryId);
+
+    switch (type) {
+        case IdentifierType::HD_STATION_ID_EXT:
+        case IdentifierType::RDS_PI:
+        case IdentifierType::AMFM_FREQUENCY:
+            if (haveEqualIds(a, b, IdentifierType::HD_STATION_ID_EXT)) return true;
+            if (haveEqualIds(a, b, IdentifierType::RDS_PI)) return true;
+            return getHdSubchannel(b) == 0 && haveEqualIds(a, b, IdentifierType::AMFM_FREQUENCY);
+        case IdentifierType::DAB_SID_EXT:
+            return haveEqualIds(a, b, IdentifierType::DAB_SID_EXT);
+        case IdentifierType::DRMO_SERVICE_ID:
+            return haveEqualIds(a, b, IdentifierType::DRMO_SERVICE_ID);
+        case IdentifierType::SXM_SERVICE_ID:
+            return haveEqualIds(a, b, IdentifierType::SXM_SERVICE_ID);
+        default:  // includes all vendor types
+            ALOGW("Unsupported program type: %s", toString(type).c_str());
+            return false;
+    }
+}
+
+static bool maybeGetId(const ProgramSelector& sel, const IdentifierType type, uint64_t* val) {
+    auto itype = static_cast<uint32_t>(type);
+
+    if (sel.primaryId.type == itype) {
+        if (val) *val = sel.primaryId.value;
+        return true;
+    }
+
+    // not optimal, but we don't care in default impl
+    for (auto&& id : sel.secondaryIds) {
+        if (id.type == itype) {
+            if (val) *val = id.value;
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool hasId(const ProgramSelector& sel, const IdentifierType type) {
+    return maybeGetId(sel, type, nullptr);
+}
+
+uint64_t getId(const ProgramSelector& sel, const IdentifierType type) {
+    uint64_t val;
+
+    if (maybeGetId(sel, type, &val)) {
+        return val;
+    }
+
+    ALOGW("Identifier %s not found", toString(type).c_str());
+    return 0;
+}
+
+uint64_t getId(const ProgramSelector& sel, const IdentifierType type, uint64_t defval) {
+    if (!hasId(sel, type)) return defval;
+    return getId(sel, type);
+}
+
+vector<uint64_t> getAllIds(const ProgramSelector& sel, const IdentifierType type) {
+    vector<uint64_t> ret;
+    auto itype = static_cast<uint32_t>(type);
+
+    if (sel.primaryId.type == itype) ret.push_back(sel.primaryId.value);
+
+    for (auto&& id : sel.secondaryIds) {
+        if (id.type == itype) ret.push_back(id.value);
+    }
+
+    return ret;
+}
+
+bool isSupported(const V2_0::Properties& prop, const V2_0::ProgramSelector& sel) {
+    // Not optimal, but it doesn't matter for default impl nor VTS tests.
+    for (auto&& idTypeI : prop.supportedIdentifierTypes) {
+        auto idType = static_cast<IdentifierType>(idTypeI);
+        if (hasId(sel, idType)) return true;
+    }
+    return false;
+}
+
+static bool isValid(const ProgramIdentifier& id) {
+    auto val = id.value;
+    bool valid = true;
+
+    auto expect = [&valid](bool condition, std::string message) {
+        if (!condition) {
+            valid = false;
+            ALOGE("Identifier not valid, expected %s", message.c_str());
+        }
+    };
+
+    switch (static_cast<IdentifierType>(id.type)) {
+        case IdentifierType::AMFM_FREQUENCY:
+        case IdentifierType::DAB_FREQUENCY:
+        case IdentifierType::DRMO_FREQUENCY:
+            expect(val > 100u, "f > 100kHz");
+            expect(val < 10000000u, "f < 10GHz");
+            break;
+        case IdentifierType::RDS_PI:
+            expect(val != 0u, "RDS PI != 0");
+            expect(val <= 0xFFFFu, "16bit id");
+            break;
+        case IdentifierType::HD_STATION_ID_EXT: {
+            auto stationId = val & 0xFFFFFFFF;  // 32bit
+            val >>= 32;
+            auto subchannel = val & 0xF;  // 4bit
+            val >>= 4;
+            auto freq = val & 0x3FFFF;  // 18bit
+            expect(stationId != 0u, "HD station id != 0");
+            expect(subchannel < 8u, "HD subch < 8");
+            expect(freq > 100u, "f > 100kHz");
+            expect(freq < 10000000u, "f < 10GHz");
+            break;
+        }
+        case IdentifierType::DAB_SID_EXT: {
+            auto sid = val & 0xFFFF;  // 16bit
+            val >>= 16;
+            auto ecc = val & 0xFF;  // 8bit
+            expect(sid != 0u, "DAB SId != 0");
+            expect(ecc >= 0xA0u && ecc <= 0xF6u, "Invalid ECC, see ETSI TS 101 756 V2.1.1");
+            break;
+        }
+        case IdentifierType::DAB_ENSEMBLE:
+            expect(val != 0u, "DAB ensemble != 0");
+            expect(val <= 0xFFFFu, "16bit id");
+            break;
+        case IdentifierType::DAB_SCID:
+            expect(val > 0xFu, "12bit SCId (not 4bit SCIdS)");
+            expect(val <= 0xFFFu, "12bit id");
+            break;
+        case IdentifierType::DRMO_SERVICE_ID:
+            expect(val != 0u, "DRM SId != 0");
+            expect(val <= 0xFFFFFFu, "24bit id");
+            break;
+        case IdentifierType::SXM_SERVICE_ID:
+            expect(val != 0u, "SXM SId != 0");
+            expect(val <= 0xFFFFFFFFu, "32bit id");
+            break;
+        case IdentifierType::SXM_CHANNEL:
+            expect(val < 1000u, "SXM channel < 1000");
+            break;
+        case IdentifierType::VENDOR_START:
+        case IdentifierType::VENDOR_END:
+            // skip
+            break;
+    }
+
+    return valid;
+}
+
+bool isValid(const V2_0::ProgramSelector& sel) {
+    if (!isValid(sel.primaryId)) return false;
+    for (auto&& id : sel.secondaryIds) {
+        if (!isValid(id)) return false;
+    }
+    return true;
+}
+
+ProgramIdentifier make_identifier(IdentifierType type, uint64_t value) {
+    return {static_cast<uint32_t>(type), value};
+}
+
+ProgramSelector make_selector_amfm(uint32_t frequency) {
+    ProgramSelector sel = {};
+    sel.primaryId = make_identifier(IdentifierType::AMFM_FREQUENCY, frequency);
+    return sel;
+}
+
+Metadata make_metadata(MetadataKey key, int64_t value) {
+    Metadata meta = {};
+    meta.key = static_cast<uint32_t>(key);
+    meta.intValue = value;
+    return meta;
+}
+
+Metadata make_metadata(MetadataKey key, string value) {
+    Metadata meta = {};
+    meta.key = static_cast<uint32_t>(key);
+    meta.stringValue = value;
+    return meta;
+}
+
+}  // namespace utils
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h b/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h
new file mode 100644
index 0000000..dd01852
--- /dev/null
+++ b/broadcastradio/common/utils2x/include/broadcastradio-utils-2x/Utils.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_2X_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_2X_H
+
+#include <android/hardware/broadcastradio/2.0/types.h>
+#include <chrono>
+#include <queue>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace utils {
+
+V2_0::IdentifierType getType(const V2_0::ProgramIdentifier& id);
+
+/**
+ * Checks, if {@code pointer} tunes to {@channel}.
+ *
+ * For example, having a channel {AMFM_FREQUENCY = 103.3}:
+ * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 0} can tune to this channel;
+ * - selector {AMFM_FREQUENCY = 103.3, HD_SUBCHANNEL = 1} can't.
+ *
+ * @param pointer selector we're trying to match against channel.
+ * @param channel existing channel.
+ */
+bool tunesTo(const V2_0::ProgramSelector& pointer, const V2_0::ProgramSelector& channel);
+
+bool hasId(const V2_0::ProgramSelector& sel, const V2_0::IdentifierType type);
+
+/**
+ * Returns ID (either primary or secondary) for a given program selector.
+ *
+ * If the selector does not contain given type, returns 0 and emits a warning.
+ */
+uint64_t getId(const V2_0::ProgramSelector& sel, const V2_0::IdentifierType type);
+
+/**
+ * Returns ID (either primary or secondary) for a given program selector.
+ *
+ * If the selector does not contain given type, returns default value.
+ */
+uint64_t getId(const V2_0::ProgramSelector& sel, const V2_0::IdentifierType type, uint64_t defval);
+
+/**
+ * Returns all IDs of a given type.
+ */
+std::vector<uint64_t> getAllIds(const V2_0::ProgramSelector& sel, const V2_0::IdentifierType type);
+
+/**
+ * Checks, if a given selector is supported by the radio module.
+ *
+ * @param prop Module description.
+ * @param sel The selector to check.
+ * @return True, if the selector is supported, false otherwise.
+ */
+bool isSupported(const V2_0::Properties& prop, const V2_0::ProgramSelector& sel);
+
+bool isValid(const V2_0::ProgramSelector& sel);
+
+V2_0::ProgramIdentifier make_identifier(V2_0::IdentifierType type, uint64_t value);
+V2_0::ProgramSelector make_selector_amfm(uint32_t frequency);
+V2_0::Metadata make_metadata(V2_0::MetadataKey key, int64_t value);
+V2_0::Metadata make_metadata(V2_0::MetadataKey key, std::string value);
+
+}  // namespace utils
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_2X_H
diff --git a/broadcastradio/common/vts/utils/OWNERS b/broadcastradio/common/vts/utils/OWNERS
deleted file mode 100644
index 12adf57..0000000
--- a/broadcastradio/common/vts/utils/OWNERS
+++ /dev/null
@@ -1,7 +0,0 @@
-# Automotive team
-egranata@google.com
-twasilczyk@google.com
-
-# VTS team
-yuexima@google.com
-yim@google.com
diff --git a/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/pointer-utils.h b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/pointer-utils.h
new file mode 100644
index 0000000..0b6f5eb
--- /dev/null
+++ b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/pointer-utils.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_BROADCASTRADIO_VTS_POINTER_UTILS
+#define ANDROID_HARDWARE_BROADCASTRADIO_VTS_POINTER_UTILS
+
+#include <chrono>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace vts {
+
+/**
+ * Clears strong pointer and waits until the object gets destroyed.
+ *
+ * @param ptr The pointer to get cleared.
+ * @param timeout Time to wait for other references.
+ */
+template <typename T>
+static void clearAndWait(sp<T>& ptr, std::chrono::milliseconds timeout) {
+    using std::chrono::steady_clock;
+
+    constexpr auto step = 10ms;
+
+    wp<T> wptr = ptr;
+    ptr.clear();
+
+    auto limit = steady_clock::now() + timeout;
+    while (wptr.promote() != nullptr) {
+        if (steady_clock::now() + step > limit) {
+            FAIL() << "Pointer was not released within timeout";
+            break;
+        }
+        std::this_thread::sleep_for(step);
+    }
+}
+
+}  // namespace vts
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_VTS_POINTER_UTILS
diff --git a/contexthub/1.0/default/Contexthub.cpp b/contexthub/1.0/default/Contexthub.cpp
index 5d6a0d6..5f83a22 100644
--- a/contexthub/1.0/default/Contexthub.cpp
+++ b/contexthub/1.0/default/Contexthub.cpp
@@ -281,11 +281,11 @@
                 result = TransactionResult::FAILURE;
             }
 
+            mIsTransactionPending = false;
             if (cb != nullptr) {
                 cb->handleTxnResult(mTransactionId, result);
             }
             retVal = 0;
-            mIsTransactionPending = false;
             break;
         }
 
diff --git a/health/2.0/default/Android.bp b/health/2.0/default/Android.bp
new file mode 100644
index 0000000..8eb02e0
--- /dev/null
+++ b/health/2.0/default/Android.bp
@@ -0,0 +1,28 @@
+cc_library_static {
+    name: "android.hardware.health@2.0-impl",
+    vendor_available: true,
+    srcs: [
+        "Health.cpp",
+        "healthd_common.cpp",
+    ],
+
+    cflags: ["-DHEALTHD_USE_HEALTH_2_0"],
+
+    export_include_dirs: ["include"],
+
+    shared_libs: [
+        "libbase",
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "android.hardware.health@2.0",
+    ],
+
+    static_libs: [
+        "libbatterymonitor",
+        "android.hardware.health@1.0-convert",
+    ],
+}
diff --git a/health/2.0/default/Health.cpp b/health/2.0/default/Health.cpp
new file mode 100644
index 0000000..4710c90
--- /dev/null
+++ b/health/2.0/default/Health.cpp
@@ -0,0 +1,183 @@
+#define LOG_TAG "android.hardware.health@2.0-impl"
+#include <android-base/logging.h>
+
+#include <health2/Health.h>
+
+#include <hidl/HidlTransportSupport.h>
+
+extern void healthd_battery_update_internal(bool);
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V2_0 {
+namespace implementation {
+
+sp<Health> Health::instance_;
+
+Health::Health(struct healthd_config* c) {
+    // TODO(b/69268160): remove when libhealthd is removed.
+    healthd_board_init(c);
+    battery_monitor_ = std::make_unique<BatteryMonitor>();
+    battery_monitor_->init(c);
+}
+
+// Methods from IHealth follow.
+Return<Result> Health::registerCallback(const sp<IHealthInfoCallback>& callback) {
+    if (callback == nullptr) {
+        return Result::SUCCESS;
+    }
+
+    {
+        std::lock_guard<std::mutex> _lock(callbacks_lock_);
+        callbacks_.push_back(callback);
+        // unlock
+    }
+
+    auto linkRet = callback->linkToDeath(this, 0u /* cookie */);
+    if (!linkRet.withDefault(false)) {
+        LOG(WARNING) << __func__ << "Cannot link to death: "
+                     << (linkRet.isOk() ? "linkToDeath returns false" : linkRet.description());
+        // ignore the error
+    }
+
+    return update();
+}
+
+bool Health::unregisterCallbackInternal(const sp<IBase>& callback) {
+    if (callback == nullptr) return false;
+
+    bool removed = false;
+    std::lock_guard<std::mutex> _lock(callbacks_lock_);
+    for (auto it = callbacks_.begin(); it != callbacks_.end();) {
+        if (interfacesEqual(*it, callback)) {
+            it = callbacks_.erase(it);
+            removed = true;
+        } else {
+            ++it;
+        }
+    }
+    (void)callback->unlinkToDeath(this).isOk();  // ignore errors
+    return removed;
+}
+
+Return<Result> Health::unregisterCallback(const sp<IHealthInfoCallback>& callback) {
+    return unregisterCallbackInternal(callback) ? Result::SUCCESS : Result::NOT_FOUND;
+}
+
+template <typename T>
+void getProperty(const std::unique_ptr<BatteryMonitor>& monitor, int id, T defaultValue,
+                 const std::function<void(Result, T)>& callback) {
+    struct BatteryProperty prop;
+    T ret = defaultValue;
+    Result result = Result::SUCCESS;
+    status_t err = monitor->getProperty(static_cast<int>(id), &prop);
+    if (err != OK) {
+        LOG(DEBUG) << "getProperty(" << id << ")"
+                   << " fails: (" << err << ") " << strerror(-err);
+    } else {
+        ret = static_cast<T>(prop.valueInt64);
+    }
+    switch (err) {
+        case OK:
+            result = Result::SUCCESS;
+            break;
+        case NAME_NOT_FOUND:
+            result = Result::NOT_SUPPORTED;
+            break;
+        default:
+            result = Result::UNKNOWN;
+            break;
+    }
+    callback(result, static_cast<T>(ret));
+}
+
+Return<void> Health::getChargeCounter(getChargeCounter_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_CHARGE_COUNTER, INT32_MIN, _hidl_cb);
+    return Void();
+}
+
+Return<void> Health::getCurrentNow(getCurrentNow_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_CURRENT_NOW, INT32_MIN, _hidl_cb);
+    return Void();
+}
+
+Return<void> Health::getCurrentAverage(getCurrentAverage_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_CURRENT_AVG, INT32_MIN, _hidl_cb);
+    return Void();
+}
+
+Return<void> Health::getCapacity(getCapacity_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_CAPACITY, INT32_MIN, _hidl_cb);
+    return Void();
+}
+
+Return<void> Health::getEnergyCounter(getEnergyCounter_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_ENERGY_COUNTER, INT64_MIN, _hidl_cb);
+    return Void();
+}
+
+Return<void> Health::getChargeStatus(getChargeStatus_cb _hidl_cb) {
+    getProperty(battery_monitor_, BATTERY_PROP_BATTERY_STATUS, BatteryStatus::UNKNOWN, _hidl_cb);
+    return Void();
+}
+
+Return<Result> Health::update() {
+    if (!healthd_mode_ops || !healthd_mode_ops->battery_update) {
+        LOG(WARNING) << "health@2.0: update: not initialized. "
+                     << "update() should not be called in charger / recovery.";
+        return Result::UNKNOWN;
+    }
+
+    // Retrieve all information and call healthd_mode_ops->battery_update, which calls
+    // notifyListeners.
+    bool chargerOnline = battery_monitor_->update();
+
+    // adjust uevent / wakealarm periods
+    healthd_battery_update_internal(chargerOnline);
+
+    return Result::SUCCESS;
+}
+
+void Health::notifyListeners(const HealthInfo& info) {
+    std::lock_guard<std::mutex> _lock(callbacks_lock_);
+    for (auto it = callbacks_.begin(); it != callbacks_.end();) {
+        auto ret = (*it)->healthInfoChanged(info);
+        if (!ret.isOk() && ret.isDeadObject()) {
+            it = callbacks_.erase(it);
+        } else {
+            ++it;
+        }
+    }
+}
+
+Return<void> Health::debug(const hidl_handle& handle, const hidl_vec<hidl_string>&) {
+    if (handle != nullptr && handle->numFds >= 1) {
+        int fd = handle->data[0];
+        battery_monitor_->dumpState(fd);
+        fsync(fd);
+    }
+    return Void();
+}
+
+void Health::serviceDied(uint64_t /* cookie */, const wp<IBase>& who) {
+    (void)unregisterCallbackInternal(who.promote());
+}
+
+sp<IHealth> Health::initInstance(struct healthd_config* c) {
+    if (instance_ == nullptr) {
+        instance_ = new Health(c);
+    }
+    return instance_;
+}
+
+sp<Health> Health::getImplementation() {
+    CHECK(instance_ != nullptr);
+    return instance_;
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace health
+}  // namespace hardware
+}  // namespace android
diff --git a/health/2.0/default/healthd_common.cpp b/health/2.0/default/healthd_common.cpp
new file mode 100644
index 0000000..8ff409d
--- /dev/null
+++ b/health/2.0/default/healthd_common.cpp
@@ -0,0 +1,275 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "android.hardware.health@2.0-impl"
+#define KLOG_LEVEL 6
+
+#include <healthd/BatteryMonitor.h>
+#include <healthd/healthd.h>
+
+#include <batteryservice/BatteryService.h>
+#include <cutils/klog.h>
+#include <cutils/uevent.h>
+#include <errno.h>
+#include <libgen.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <sys/timerfd.h>
+#include <unistd.h>
+#include <utils/Errors.h>
+
+#include <health2/Health.h>
+
+using namespace android;
+
+// Periodic chores fast interval in seconds
+#define DEFAULT_PERIODIC_CHORES_INTERVAL_FAST (60 * 1)
+// Periodic chores fast interval in seconds
+#define DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW (60 * 10)
+
+static struct healthd_config healthd_config = {
+    .periodic_chores_interval_fast = DEFAULT_PERIODIC_CHORES_INTERVAL_FAST,
+    .periodic_chores_interval_slow = DEFAULT_PERIODIC_CHORES_INTERVAL_SLOW,
+    .batteryStatusPath = String8(String8::kEmptyString),
+    .batteryHealthPath = String8(String8::kEmptyString),
+    .batteryPresentPath = String8(String8::kEmptyString),
+    .batteryCapacityPath = String8(String8::kEmptyString),
+    .batteryVoltagePath = String8(String8::kEmptyString),
+    .batteryTemperaturePath = String8(String8::kEmptyString),
+    .batteryTechnologyPath = String8(String8::kEmptyString),
+    .batteryCurrentNowPath = String8(String8::kEmptyString),
+    .batteryCurrentAvgPath = String8(String8::kEmptyString),
+    .batteryChargeCounterPath = String8(String8::kEmptyString),
+    .batteryFullChargePath = String8(String8::kEmptyString),
+    .batteryCycleCountPath = String8(String8::kEmptyString),
+    .energyCounter = NULL,
+    .boot_min_cap = 0,
+    .screen_on = NULL,
+};
+
+static int eventct;
+static int epollfd;
+
+#define POWER_SUPPLY_SUBSYSTEM "power_supply"
+
+// epoll_create() parameter is actually unused
+#define MAX_EPOLL_EVENTS 40
+static int uevent_fd;
+static int wakealarm_fd;
+
+// -1 for no epoll timeout
+static int awake_poll_interval = -1;
+
+static int wakealarm_wake_interval = DEFAULT_PERIODIC_CHORES_INTERVAL_FAST;
+
+using ::android::hardware::health::V2_0::implementation::Health;
+
+struct healthd_mode_ops* healthd_mode_ops = nullptr;
+
+int healthd_register_event(int fd, void (*handler)(uint32_t), EventWakeup wakeup) {
+    struct epoll_event ev;
+
+    ev.events = EPOLLIN;
+
+    if (wakeup == EVENT_WAKEUP_FD) ev.events |= EPOLLWAKEUP;
+
+    ev.data.ptr = (void*)handler;
+    if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev) == -1) {
+        KLOG_ERROR(LOG_TAG, "epoll_ctl failed; errno=%d\n", errno);
+        return -1;
+    }
+
+    eventct++;
+    return 0;
+}
+
+static void wakealarm_set_interval(int interval) {
+    struct itimerspec itval;
+
+    if (wakealarm_fd == -1) return;
+
+    wakealarm_wake_interval = interval;
+
+    if (interval == -1) interval = 0;
+
+    itval.it_interval.tv_sec = interval;
+    itval.it_interval.tv_nsec = 0;
+    itval.it_value.tv_sec = interval;
+    itval.it_value.tv_nsec = 0;
+
+    if (timerfd_settime(wakealarm_fd, 0, &itval, NULL) == -1)
+        KLOG_ERROR(LOG_TAG, "wakealarm_set_interval: timerfd_settime failed\n");
+}
+
+void healthd_battery_update_internal(bool charger_online) {
+    // Fast wake interval when on charger (watch for overheat);
+    // slow wake interval when on battery (watch for drained battery).
+
+    int new_wake_interval = charger_online ? healthd_config.periodic_chores_interval_fast
+                                           : healthd_config.periodic_chores_interval_slow;
+
+    if (new_wake_interval != wakealarm_wake_interval) wakealarm_set_interval(new_wake_interval);
+
+    // During awake periods poll at fast rate.  If wake alarm is set at fast
+    // rate then just use the alarm; if wake alarm is set at slow rate then
+    // poll at fast rate while awake and let alarm wake up at slow rate when
+    // asleep.
+
+    if (healthd_config.periodic_chores_interval_fast == -1)
+        awake_poll_interval = -1;
+    else
+        awake_poll_interval = new_wake_interval == healthd_config.periodic_chores_interval_fast
+                                  ? -1
+                                  : healthd_config.periodic_chores_interval_fast * 1000;
+}
+
+static void healthd_battery_update(void) {
+    Health::getImplementation()->update();
+}
+
+static void periodic_chores() {
+    healthd_battery_update();
+}
+
+#define UEVENT_MSG_LEN 2048
+static void uevent_event(uint32_t /*epevents*/) {
+    char msg[UEVENT_MSG_LEN + 2];
+    char* cp;
+    int n;
+
+    n = uevent_kernel_multicast_recv(uevent_fd, msg, UEVENT_MSG_LEN);
+    if (n <= 0) return;
+    if (n >= UEVENT_MSG_LEN) /* overflow -- discard */
+        return;
+
+    msg[n] = '\0';
+    msg[n + 1] = '\0';
+    cp = msg;
+
+    while (*cp) {
+        if (!strcmp(cp, "SUBSYSTEM=" POWER_SUPPLY_SUBSYSTEM)) {
+            healthd_battery_update();
+            break;
+        }
+
+        /* advance to after the next \0 */
+        while (*cp++)
+            ;
+    }
+}
+
+static void uevent_init(void) {
+    uevent_fd = uevent_open_socket(64 * 1024, true);
+
+    if (uevent_fd < 0) {
+        KLOG_ERROR(LOG_TAG, "uevent_init: uevent_open_socket failed\n");
+        return;
+    }
+
+    fcntl(uevent_fd, F_SETFL, O_NONBLOCK);
+    if (healthd_register_event(uevent_fd, uevent_event, EVENT_WAKEUP_FD))
+        KLOG_ERROR(LOG_TAG, "register for uevent events failed\n");
+}
+
+static void wakealarm_event(uint32_t /*epevents*/) {
+    unsigned long long wakeups;
+
+    if (read(wakealarm_fd, &wakeups, sizeof(wakeups)) == -1) {
+        KLOG_ERROR(LOG_TAG, "wakealarm_event: read wakealarm fd failed\n");
+        return;
+    }
+
+    periodic_chores();
+}
+
+static void wakealarm_init(void) {
+    wakealarm_fd = timerfd_create(CLOCK_BOOTTIME_ALARM, TFD_NONBLOCK);
+    if (wakealarm_fd == -1) {
+        KLOG_ERROR(LOG_TAG, "wakealarm_init: timerfd_create failed\n");
+        return;
+    }
+
+    if (healthd_register_event(wakealarm_fd, wakealarm_event, EVENT_WAKEUP_FD))
+        KLOG_ERROR(LOG_TAG, "Registration of wakealarm event failed\n");
+
+    wakealarm_set_interval(healthd_config.periodic_chores_interval_fast);
+}
+
+static void healthd_mainloop(void) {
+    int nevents = 0;
+    while (1) {
+        struct epoll_event events[eventct];
+        int timeout = awake_poll_interval;
+        int mode_timeout;
+
+        /* Don't wait for first timer timeout to run periodic chores */
+        if (!nevents) periodic_chores();
+
+        healthd_mode_ops->heartbeat();
+
+        mode_timeout = healthd_mode_ops->preparetowait();
+        if (timeout < 0 || (mode_timeout > 0 && mode_timeout < timeout)) timeout = mode_timeout;
+        nevents = epoll_wait(epollfd, events, eventct, timeout);
+        if (nevents == -1) {
+            if (errno == EINTR) continue;
+            KLOG_ERROR(LOG_TAG, "healthd_mainloop: epoll_wait failed\n");
+            break;
+        }
+
+        for (int n = 0; n < nevents; ++n) {
+            if (events[n].data.ptr) (*(void (*)(int))events[n].data.ptr)(events[n].events);
+        }
+    }
+
+    return;
+}
+
+static int healthd_init() {
+    epollfd = epoll_create(MAX_EPOLL_EVENTS);
+    if (epollfd == -1) {
+        KLOG_ERROR(LOG_TAG, "epoll_create failed; errno=%d\n", errno);
+        return -1;
+    }
+
+    healthd_mode_ops->init(&healthd_config);
+    wakealarm_init();
+    uevent_init();
+
+    return 0;
+}
+
+int healthd_main() {
+    int ret;
+
+    klog_set_level(KLOG_LEVEL);
+
+    if (!healthd_mode_ops) {
+        KLOG_ERROR("healthd ops not set, exiting\n");
+        exit(1);
+    }
+
+    ret = healthd_init();
+    if (ret) {
+        KLOG_ERROR("Initialization failed, exiting\n");
+        exit(2);
+    }
+
+    healthd_mainloop();
+    KLOG_ERROR("Main loop terminated, exiting\n");
+    return 3;
+}
diff --git a/health/2.0/default/include/health2/Health.h b/health/2.0/default/include/health2/Health.h
new file mode 100644
index 0000000..ab42ae7
--- /dev/null
+++ b/health/2.0/default/include/health2/Health.h
@@ -0,0 +1,69 @@
+#ifndef ANDROID_HARDWARE_HEALTH_V2_0_HEALTH_H
+#define ANDROID_HARDWARE_HEALTH_V2_0_HEALTH_H
+
+#include <memory>
+#include <vector>
+
+#include <android/hardware/health/1.0/types.h>
+#include <android/hardware/health/2.0/IHealth.h>
+#include <healthd/BatteryMonitor.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace health {
+namespace V2_0 {
+namespace implementation {
+
+using V1_0::BatteryStatus;
+using V1_0::HealthInfo;
+
+using ::android::hidl::base::V1_0::IBase;
+
+struct Health : public IHealth, hidl_death_recipient {
+   public:
+    static sp<IHealth> initInstance(struct healthd_config* c);
+    // Should only be called by implementation itself (-impl, -service).
+    // Clients should not call this function. Instead, initInstance() initializes and returns the
+    // global instance that has fewer functions.
+    // TODO(b/62229583): clean up and hide these functions after update() logic is simplified.
+    static sp<Health> getImplementation();
+
+    Health(struct healthd_config* c);
+
+    // TODO(b/62229583): clean up and hide these functions after update() logic is simplified.
+    void notifyListeners(const HealthInfo& info);
+
+    // Methods from IHealth follow.
+    Return<Result> registerCallback(const sp<IHealthInfoCallback>& callback) override;
+    Return<Result> unregisterCallback(const sp<IHealthInfoCallback>& callback) override;
+    Return<Result> update() override;
+    Return<void> getChargeCounter(getChargeCounter_cb _hidl_cb) override;
+    Return<void> getCurrentNow(getCurrentNow_cb _hidl_cb) override;
+    Return<void> getCurrentAverage(getCurrentAverage_cb _hidl_cb) override;
+    Return<void> getCapacity(getCapacity_cb _hidl_cb) override;
+    Return<void> getEnergyCounter(getEnergyCounter_cb _hidl_cb) override;
+    Return<void> getChargeStatus(getChargeStatus_cb _hidl_cb) override;
+
+    // Methods from ::android::hidl::base::V1_0::IBase follow.
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) override;
+
+    void serviceDied(uint64_t cookie, const wp<IBase>& /* who */) override;
+
+   private:
+    static sp<Health> instance_;
+
+    std::mutex callbacks_lock_;
+    std::vector<sp<IHealthInfoCallback>> callbacks_;
+    std::unique_ptr<BatteryMonitor> battery_monitor_;
+
+    bool unregisterCallbackInternal(const sp<IBase>& cb);
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace health
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_HEALTH_V2_0_HEALTH_H
diff --git a/keymaster/4.0/Android.bp b/keymaster/4.0/Android.bp
index 34997d2..378204a 100644
--- a/keymaster/4.0/Android.bp
+++ b/keymaster/4.0/Android.bp
@@ -16,12 +16,10 @@
     ],
     types: [
         "HardwareAuthToken",
-        "HardwareAuthTokenMacMethod",
         "KeyCharacteristics",
         "KeyParameter",
         "KeyPurpose",
         "Tag",
-        "TagType",
     ],
     gen_java: false,
 }
diff --git a/keymaster/4.0/IKeymasterDevice.hal b/keymaster/4.0/IKeymasterDevice.hal
index 06b4b73..84354bf 100644
--- a/keymaster/4.0/IKeymasterDevice.hal
+++ b/keymaster/4.0/IKeymasterDevice.hal
@@ -26,22 +26,147 @@
 interface IKeymasterDevice {
 
     /**
-     * Returns information about the underlying keymaster hardware.
+     * Returns information about the underlying Keymaster hardware.
      *
-     * @return isSecure Indicates whether this keymaster implementation is in some sort of secure
-     *         hardware.
+     * @return security level of the Keymaster implementation accessed through this HAL.
      *
-     * @return keymasterName is the name of the keymaster implementation.
+     * @return keymasterName is the name of the Keymaster implementation.
      *
-     * @return keymasterAuthorName is the name of the author of the keymaster implementation
+     * @return keymasterAuthorName is the name of the author of the Keymaster implementation
      *         (organization name, not individual).
      */
-    getHardwareInfo() generates (bool isSecure, string keymasterName, string keymasterAuthorName);
+    getHardwareInfo()
+        generates (SecurityLevel securityLevel, string keymasterName, string keymasterAuthorName);
 
     /**
-     * Adds entropy to the RNG used by keymaster.  Entropy added through this method must not be the
-     * only source of entropy used.  The keymaster implementation must securely mix entropy provided
-     * through this method with internally-generated entropy.
+     * Start the creation of an HMAC key, shared with another Keymaster implementation.  Any device
+     * with a StrongBox Keymaster has two Keymaster instances, because there must be a TEE Keymaster
+     * as well.  The HMAC key used to MAC and verify authentication tokens must be shared between
+     * TEE and StrongBox so they can each validate tokens produced by the other.  This method is the
+     * first step in the process for for agreeing on a shared key.  It is called by Keystore during
+     * startup if and only if Keystore loads multiple Keymaster HALs.  Keystore calls it on each of
+     * the HAL instances and collects the results in preparation for the second step.
+     */
+    getHmacSharingParameters() generates (ErrorCode error, HmacSharingParameters params);
+
+    /**
+     * Complete the creation of an HMAC key, shared with another Keymaster implementation.  Any
+     * device with a StrongBox Keymaster has two Keymasters instances, because there must be a TEE
+     * Keymaster as well.  The HMAC key used to MAC and verify authentication tokens must be shared
+     * between TEE and StrongBox so they can each validate tokens produced by the other.  This
+     * method is the second and final step in the process for for agreeing on a shared key.  It is
+     * called by Keystore during startup if and only if Keystore loads multiple Keymaster HALs.
+     * Keystore calls it on each of the HAL instances, and sends to it all of the
+     * HmacSharingParameters returned by all HALs.
+     *
+     * This method computes the shared 32-byte HMAC ``H'' as follows (all Keymaster instances
+     * perform the same computation to arrive at the same result):
+     *
+     *     H = CKDF(key = K,
+     *              context = P1 || P2 || ... || Pn,
+     *              label = "KeymasterSharedMac")
+     *
+     * where:
+     *
+     *     ``CKDF'' is the standard AES-CMAC KDF from NIST SP 800-108 in counter mode (see Section
+     *           5.1 of the referenced publication).  ``key'', ``context'', and ``label'' are
+     *           defined in the standard.  The counter is prefixed, as shown in the construction on
+     *           page 12 of the standard.  The label string is UTF-8 encoded.
+     *
+     *     ``K'' is a pre-established shared secret, set up during factory reset.  The mechanism for
+     *           establishing this shared secret is implementation-defined, but see below for a
+     *           recommended approach, which assumes that the TEE Keymaster does not have storage
+     *           available to it, but the StrongBox Keymaster does.
+     *
+     *           <b>CRITICAL SECURITY REQUIREMENT</b>: All keys created by a Keymaster instance must
+     *           be cryptographically bound to the value of K, such that establishing a new K
+     *           permanently destroys them.
+     *
+     *     ``||'' represents concatenation.
+     *
+     *     ``Pi'' is the i'th HmacSharingParameters value in the params vector.  Note that at
+     *           present only two Keymaster implementations are supported, but this mechanism
+     *           extends without modification to any number of implementations.  Encoding of an
+     *           HmacSharingParameters is the concatenation of its two fields, i.e. seed || nonce.
+     *
+     * Process for establishing K:
+     *
+     *     Any method of securely establishing K that ensures that an attacker cannot obtain or
+     *     derive its value is acceptable.  What follows is a recommended approach, to be executed
+     *     during each factory reset.  It relies on use of the factory-installed attestation keys to
+     *     mitigate man-in-the-middle attacks.  This protocol requires that one of the instancess
+     *     have secure persistent storage.  This model was chosen because StrongBox has secure
+     *     persistent storage (by definition), but the TEE may not.  The instance without storage is
+     *     assumed to be able to derive a unique hardware-bound key (HBK) which is used only for
+     *     this purpose, and is not derivable outside of the secure environment..
+     *
+     *     In what follows, T is the Keymaster instance without storage, S is the Keymaster instance
+     *     with storage:
+     *
+     *     1. T generates an ephemeral EC P-256 key pair K1
+     *     2. T sends K1_pub to S, signed with T's attestation key.
+     *     3. S validates the signature on K1_pub.
+     *     4. S generates an ephemeral EC P-256 key pair K2.
+     *     5. S sends {K1_pub, K2_pub}, to T, signed with S's attestation key.
+     *     6. T validates the signature on {K1_pub, K2_pub}
+     *     7. T uses {K1_priv, K2_pub} with ECDH to compute session secret Q.
+     *     8. T generates a random seed S
+     *     9. T computes K = KDF(HBK, S), where KDF is some secure key derivation function.
+     *     10. T sends M = AES-GCM-ENCRYPT(Q, {S || K}) to S.
+     *     10. S uses {K2_priv, K1_pub} with ECDH to compute session secret Q.
+     *     11. S computes S || K = AES-GCM-DECRYPT(Q, M) and stores S and K.
+     *
+     *     When S receives the getHmacSharingParameters call, it returns the stored S as the seed
+     *     and a nonce.  When T receives the same call, it returns an empty seed and a nonce.  When
+     *     T receives the computeSharedHmac call, it uses the seed provided by S to compute K.  S,
+     *     of course, has K stored.
+     *
+     * @param params The HmacSharingParameters data returned by all Keymaster instances when
+     *        getHmacSharingParameters was called.
+     *
+     * @return sharingCheck A 32-byte value used to verify that all Keymaster instances have
+     *         computed the same shared HMAC key.  The sharingCheck value is computed as follows:
+     *
+     *             sharingCheck = HMAC(H, "Keymaster HMAC Verification")
+     *
+     *         The string is UTF-8 encoded.  If the returned values of all Keymaster instances don't
+     *         match, Keystore will assume that HMAC agreement failed.
+     */
+    computeSharedHmac(vec<HmacSharingParameters> params)
+        generates (ErrorCode error, vec<uint8_t> sharingCheck);
+
+    /**
+     * Verify authorizations for another Keymaster instance.
+     *
+     * On systems with both a StrongBox and a TEE Keymaster instance it is sometimes useful to ask
+     * the TEE Keymaster to verify authorizations for a key hosted in StrongBox.
+     *
+     * For every StrongBox operation, Keystore is required to call this method on the TEE Keymaster,
+     * passing in the StrongBox key's hardwareEnforced authorization list and the operation handle
+     * returned by StrongBox begin().  The TEE Keymaster must validate all of the authorizations it
+     * can and return those it validated in the VerificationToken.  If it cannot verify any, the
+     * parametersVerified field of the VerificationToken must be empty.  Keystore must then pass the
+     * VerificationToken to the subsequent invocations of StrongBox update() and finish().
+     *
+     * StrongBox implementations must return ErrorCode::UNIMPLEMENTED.
+     *
+     * @param operationHandle the operation handle returned by StrongBox Keymaster's begin().
+     *
+     * @param parametersToVerify Set of authorizations to verify.
+     *
+     * @param authToken A HardwareAuthToken if needed to authorize key usage.
+     */
+    verifyAuthorization(uint64_t operationHandle, vec<KeyParameter> parametersToVerify,
+                        HardwareAuthToken authToken)
+        generates (ErrorCode error, VerificationToken token);
+
+
+    /**
+     * Adds entropy to the RNG used by Keymaster.  Entropy added through this method is guaranteed
+     * not to be the only source of entropy used, and the mixing function is required to be secure,
+     * in the sense that if the RNG is seeded (from any source) with any data the attacker cannot
+     * predict (or control), then the RNG output is indistinguishable from random.  Thus, if the
+     * entropy from any source is good, the output must be good.
      *
      * @param data Bytes to be mixed into the RNG.
      *
@@ -52,7 +177,7 @@
     /**
      * Generates a key, or key pair, returning a key blob and a description of the key.
      *
-     * @param keyParams Key generation parameters are defined as keymaster tag/value pairs, provided
+     * @param keyParams Key generation parameters are defined as Keymaster tag/value pairs, provided
      *        in params.  See Tag in types.hal for the full list.
      *
      * @return error See the ErrorCode enum in types.hal.
@@ -70,7 +195,7 @@
     /**
      * Imports a key, or key pair, returning a key blob and/or a description of the key.
      *
-     * @param keyParams Key generation parameters are defined as keymaster tag/value pairs, provided
+     * @param keyParams Key generation parameters are defined as Keymaster tag/value pairs, provided
      *        in params.  See Tag for the full list.
      *
      * @param keyFormat The format of the key material to import.
@@ -89,6 +214,77 @@
         generates (ErrorCode error, vec<uint8_t> keyBlob, KeyCharacteristics keyCharacteristics);
 
     /**
+     * Securely imports a key, or key pair, returning a key blob and a description of the imported
+     * key.
+     *
+     * @param wrappedKeyData The wrapped key material to import.  The wrapped key is in DER-encoded
+     * ASN.1 format, specified by the following schema:
+     *
+     *     KeyDescription ::= SEQUENCE(
+     *         keyFormat INTEGER,                   # Values from KeyFormat enum.
+     *         keyParams AuthorizationList,
+     *     )
+     *
+     *     SecureKeyWrapper ::= SEQUENCE(
+     *         version INTEGER,                     # Contains value 0
+     *         encryptedTransportKey OCTET_STRING,
+     *         initializationVector OCTET_STRING,
+     *         keyDescription KeyDescription,
+     *         encryptedKey OCTET_STRING,
+     *         tag OCTET_STRING
+     *     )
+     *
+     *     Where:
+     *
+     *     o keyFormat is an integer from the KeyFormat enum, defining the format of the plaintext
+     *       key material.
+     *     o keyParams is the characteristics of the key to be imported (as with generateKey or
+     *       importKey).  If the secure import is successful, these characteristics must be
+     *       associated with the key exactly as if the key material had been insecurely imported
+     *       with the @3.0::IKeymasterDevice::importKey.
+     *     o encryptedTransportKey is a 256-bit AES key, XORed with a masking key and then encrypted
+     *       in RSA-OAEP mode (SHA-256 digest, SHA-1 MGF1 digest) with the wrapping key specified by
+     *       wrappingKeyBlob.
+     *     o keyDescription is a KeyDescription, above.
+     *     o encryptedKey is the key material of the key to be imported, in format keyFormat, and
+     *       encrypted with encryptedEphemeralKey in AES-GCM mode, with the DER-encoded
+     *       representation of keyDescription provided as additional authenticated data.
+     *     o tag is the tag produced by the AES-GCM encryption of encryptedKey.
+     *
+     * So, importWrappedKey does the following:
+     *
+     *     1. Get the private key material for wrappingKeyBlob, verifying that the wrapping key has
+     *        purpose KEY_WRAP, padding mode RSA_OAEP, and digest SHA_2_256, returning the
+     *        appropriate error if any of those requirements fail.
+     *     2. Extract the encryptedTransportKey field from the SecureKeyWrapper, and decrypt
+     *        it with the wrapping key.
+     *     3. XOR the result of step 2 with maskingKey.
+     *     4. Use the result of step 3 as an AES-GCM key to decrypt encryptedKey, using the encoded
+     *        value of keyDescription as the additional authenticated data.  Call the result
+     *        "keyData" for the next step.
+     *     5. Perform the equivalent of calling importKey(keyParams, keyFormat, keyData), except
+     *        that the origin tag should be set to SECURELY_IMPORTED.
+     *
+     * @param wrappingKeyBlob The opaque key descriptor returned by generateKey() or importKey().
+     *        This key must have been created with Purpose::WRAP_KEY, and must be a key algorithm
+     *        that supports encryption and must be at least as strong (in key size) as the key to be
+     *        imported (per NIST key length recommendations: 112 bits symmetric is equivalent to
+     *        2048-bit RSA or 224-bit EC, 128 bits symmetric ~ 3072-bit RSA or 256-bit EC, etc.).
+     *
+     * @param maskingKey The 32-byte value XOR'd with the transport key in the SecureWrappedKey
+     *        structure.
+     *
+     * @return error See the ErrorCode enum.
+     *
+     * @return keyBlob Opaque descriptor of the imported key.  It is recommended that the keyBlob
+     *         contain a copy of the key material, wrapped in a key unavailable outside secure
+     *         hardware.
+     */
+    importWrappedKey(vec<uint8_t> wrappedKeyData, vec<uint8_t> wrappingKeyBlob,
+                     vec<uint8_t> maskingKey)
+        generates (ErrorCode error, vec<uint8_t> keyBlob, KeyCharacteristics keyCharacteristics);
+
+    /**
      * Returns the characteristics of the specified key, if the keyBlob is valid (implementations
      * must fully validate the integrity of the key).
      *
@@ -139,7 +335,7 @@
 
     /**
      * Generates a signed X.509 certificate chain attesting to the presence of keyToAttest in
-     * keymaster.  The certificate must contain an extension with OID 1.3.6.1.4.1.11129.2.1.17 and
+     * Keymaster.  The certificate must contain an extension with OID 1.3.6.1.4.1.11129.2.1.17 and
      * value defined in:
      *
      *     https://developer.android.com/training/articles/security-key-attestation.html.
@@ -161,7 +357,7 @@
      * Upgrades an old key blob.  Keys can become "old" in two ways: Keymaster can be upgraded to a
      * new version with an incompatible key blob format, or the system can be updated to invalidate
      * the OS version and/or patch level.  In either case, attempts to use an old key blob with
-     * getKeyCharacteristics(), exportKey(), attestKey() or begin() must result in keymaster
+     * getKeyCharacteristics(), exportKey(), attestKey() or begin() must result in Keymaster
      * returning ErrorCode::KEY_REQUIRES_UPGRADE.  The caller must use this method to upgrade the
      * key blob.
      *
@@ -221,7 +417,7 @@
      * to update(), finish() or abort().
      *
      * It is critical that each call to begin() be paired with a subsequent call to finish() or
-     * abort(), to allow the keymaster implementation to clean up any internal operation state.  The
+     * abort(), to allow the Keymaster implementation to clean up any internal operation state.  The
      * caller's failure to do this may leak internal state space or other internal resources and may
      * eventually cause begin() to return ErrorCode::TOO_MANY_OPERATIONS when it runs out of space
      * for operations.  Any result other than ErrorCode::OK from begin(), update() or finish()
@@ -282,6 +478,10 @@
      * @param authToken Authentication token.  Callers that provide no token must set all numeric
      *        fields to zero and the MAC must be an empty vector.
      *
+     * @param verificationToken Verification token, used to prove that another Keymaster HAL has
+     *        verified some parameters, and to deliver the other HAL's current timestamp, if needed.
+     *        If not provided, all fields must be initialized to zero and vectors empty.
+     *
      * @return error See the ErrorCode enum in types.hal.
      *
      * @return inputConsumed Amount of data that was consumed by update().  If this is less than the
@@ -294,7 +494,7 @@
      * @return output The output data, if any.
      */
     update(OperationHandle operationHandle, vec<KeyParameter> inParams, vec<uint8_t> input,
-           HardwareAuthToken authToken)
+           HardwareAuthToken authToken, VerificationToken verificationToken)
         generates (ErrorCode error, uint32_t inputConsumed, vec<KeyParameter> outParams,
                    vec<uint8_t> output);
 
@@ -316,6 +516,10 @@
      * @param authToken Authentication token.  Callers that provide no token must set all numeric
      *        fields to zero and the MAC must be an empty vector.
      *
+     * @param verificationToken Verification token, used to prove that another Keymaster HAL has
+     *        verified some parameters, and to deliver the other HAL's current timestamp, if needed.
+     *        If not provided, all fields must be initialized to zero and vectors empty.
+     *
      * @return error See the ErrorCode enum in types.hal.
      *
      * @return outParams Any output parameters generated by finish().
@@ -323,7 +527,7 @@
      * @return output The output data, if any.
      */
     finish(OperationHandle operationHandle, vec<KeyParameter> inParams, vec<uint8_t> input,
-           vec<uint8_t> signature, HardwareAuthToken authToken)
+           vec<uint8_t> signature, HardwareAuthToken authToken, VerificationToken verificationToken)
         generates (ErrorCode error, vec<KeyParameter> outParams, vec<uint8_t> output);
 
     /**
diff --git a/keymaster/4.0/support/include/keymasterV4_0/attestation_record.h b/keymaster/4.0/support/include/keymasterV4_0/attestation_record.h
index 203b349..fae403a 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/attestation_record.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/attestation_record.h
@@ -24,9 +24,6 @@
 namespace keymaster {
 namespace V4_0 {
 
-using V3_0::ErrorCode;
-using V3_0::SecurityLevel;
-
 class AuthorizationSet;
 
 /**
diff --git a/keymaster/4.0/support/include/keymasterV4_0/key_param_output.h b/keymaster/4.0/support/include/keymasterV4_0/key_param_output.h
index 04ba3a4..9736da0 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/key_param_output.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/key_param_output.h
@@ -50,14 +50,14 @@
     return os << toString(value);
 }
 
-inline ::std::ostream& operator<<(::std::ostream& os, KeyOrigin value) {
-    return os << toString(value);
-}
-
 }  // namespace V3_0
 
 namespace V4_0 {
 
+inline ::std::ostream& operator<<(::std::ostream& os, KeyOrigin value) {
+    return os << toString(value);
+}
+
 template <typename ValueT>
 ::std::ostream& operator<<(::std::ostream& os, const NullOr<ValueT>& value) {
     if (!value.isOk()) {
diff --git a/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h b/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
index a3aae8b..e5187df 100644
--- a/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
+++ b/keymaster/4.0/support/include/keymasterV4_0/keymaster_tags.h
@@ -72,8 +72,8 @@
 using ::android::hardware::keymaster::V3_0::BlockMode;
 using ::android::hardware::keymaster::V3_0::Digest;
 using ::android::hardware::keymaster::V3_0::EcCurve;
+using ::android::hardware::keymaster::V3_0::HardwareAuthenticatorType;
 using ::android::hardware::keymaster::V3_0::KeyFormat;
-using ::android::hardware::keymaster::V3_0::KeyOrigin;
 using ::android::hardware::keymaster::V3_0::PaddingMode;
 using ::android::hardware::keymaster::V3_0::TagType;
 
diff --git a/keymaster/4.0/types.hal b/keymaster/4.0/types.hal
index b82848b..8ca2274 100644
--- a/keymaster/4.0/types.hal
+++ b/keymaster/4.0/types.hal
@@ -27,8 +27,24 @@
 import android.hardware.keymaster@3.0::KeyFormat;
 import android.hardware.keymaster@3.0::KeyOrigin;
 import android.hardware.keymaster@3.0::PaddingMode;
+import android.hardware.keymaster@3.0::SecurityLevel;
 import android.hardware.keymaster@3.0::TagType;
 
+/**
+ * Time in milliseconds since some arbitrary point in time.  Time must be monotonically increasing,
+ * and a secure environment's notion of "current time" must not repeat until the Android device
+ * reboots, or until at least 50 million years have elapsed (note that this requirement is satisfied
+ * by setting the clock to zero during each boot, and then counting time accurately).
+ */
+typedef uint64_t Timestamp;
+
+/**
+ * A place to define any needed constants.
+ */
+enum Constants : uint32_t {
+    AUTH_TOKEN_MAC_LENGTH = 32,
+};
+
 enum Tag : uint32_t {
     INVALID = TagType:INVALID | 0,
 
@@ -66,6 +82,14 @@
                                                    * resistance, it must return
                                                    * ROLLBACK_RESISTANCE_UNAVAILABLE. */
 
+    /* HARDWARE_TYPE specifies the type of the secure hardware that is requested for the key
+     * generation / import.  See the SecurityLevel enum.  In the absence of this tag, keystore must
+     * use TRUSTED_ENVIRONMENT.  If this tag is present and the requested hardware type is not
+     * available, Keymaster returns HARDWARE_TYPE_UNAVAILABLE. This tag is not included in
+     * attestations, but hardware type must be reflected in the Keymaster SecurityLevel of the
+     * attestation header. */
+    HARDWARE_TYPE = TagType:ENUM | 304,
+
     /**
      * Tags that should be semantically enforced by hardware if possible and will otherwise be
      * enforced by software (keystore).
@@ -151,6 +175,15 @@
 };
 
 /**
+ * The origin of a key, i.e. where it was generated.
+ */
+enum KeyOrigin : @3.0::KeyOrigin {
+    /** Securely imported into Keymaster.  Was created elsewhere, and passed securely through
+     *  Android to secure hardware. */
+    SECURELY_IMPORTED = 4,
+};
+
+/**
  * Possible purposes of a key (or pair).
  */
 enum KeyPurpose : uint32_t {
@@ -162,6 +195,54 @@
     WRAP_KEY = 5,   /* Usable with wrapping keys. */
 };
 
+/**
+ * Keymaster error codes.
+ */
+enum ErrorCode : @3.0::ErrorCode {
+    ROLLBACK_RESISTANCE_UNAVAILABLE = -67,
+    HARDWARE_TYPE_UNAVAILABLE = -68,
+};
+
+/**
+ * Device security levels.
+ */
+enum SecurityLevel : @3.0::SecurityLevel {
+    /**
+     * STRONGBOX specifies that the secure hardware satisfies the following requirements:
+     *
+     *    a) Has a discrete CPU.  The StrongBox device must not be the same CPU that is used to run
+     *       the Android non-secure world, or any other untrusted code.  The StrongBox CPU must not
+     *       share cache, RAM or any other critical resources with any device that runs untrusted
+     *       code.
+     *
+     *    b) Has integral secure storage.  The StrongBox device must have its own non-volatile
+     *       storage that is not accessible by any other hardware component.
+     *
+     *    c) Has a high-quality True Random Number Generator.  The StrongBox device must have sole
+     *       control of and access to a high-quality TRNG which it uses for generating necessary
+     *       random bits.  It must combine the output of this TRNG with caller-provided entropy in a
+     *       strong CPRNG, as do non-Strongbox Keymaster implementations.
+     *
+     *    d) Is enclosed in tamper-resistant packaging.  The StrongBox device must have
+     *       tamper-resistant packaging which provides obstacles to physical penetration which are
+     *       higher than those provided by normal integrated circuit packages.
+     *
+     *    e) Provides side-channel resistance.  The StrongBox device must implement resistance
+     *       against common side-channel attacks, including power analysis, timing analysis, EM
+     *       snooping, etc.
+     *
+     * Devices with StrongBox Keymasters must also have a non-StrongBox Keymaster, which lives in
+     * the higher-performance TEE.  Keystore must load both StrongBox (if available) and
+     * non-StrongBox HALs and route key generation/import requests appropriately.  Callers that want
+     * StrongBox keys must add Tag::HARDWARE_TYPE with value SecurityLevel::STRONGBOX to the key
+     * description provided to generateKey or importKey.  Keytore must route the request to a
+     * StrongBox HAL (a HAL whose isStrongBox method returns true).  Keymaster implementations that
+     * receive a request for a Tag::HARDWARE_TYPE that is inappropriate must fail with
+     * ErrorCode::HARDWARE_TYPE_UNAVAILABLE.
+     */
+    STRONGBOX = 2,              /* See IKeymaster::isStrongBox */
+};
+
 struct KeyParameter {
     /**
      * Discriminates the uinon/blob field used.  The blob cannot be coincided with the union, but
@@ -179,6 +260,7 @@
         KeyPurpose purpose;
         KeyDerivationFunction keyDerivationFunction;
         HardwareAuthenticatorType hardwareAuthenticatorType;
+        SecurityLevel hardwareType;
 
         /** Other types */
         bool boolValue;  // Always true, if a boolean tag is present.
@@ -203,21 +285,100 @@
     uint64_t userId;             // Secure User ID, not Android user ID.
     uint64_t authenticatorId;    // Secure authenticator ID.
     HardwareAuthenticatorType authenticatorType;
-    uint64_t timestamp;
+    Timestamp timestamp;
     /**
      * MACs are computed with a backward-compatible method, used by Keymaster 3.0, Gatekeeper 1.0
      * and Fingerprint 1.0, as well as pre-treble HALs.
      *
-     * The MAC is 32 bytes in length and is computed as follows:
+     * The MAC is Constants::AUTH_TOKEN_MAC_LENGTH bytes in length and is computed as follows:
      *
-     *     HMAC(H, 0 || challenge || user_id || authenticator_id || authenticator_type || timestamp)
+     *     HMAC_SHA256(
+     *         H, 0 || challenge || user_id || authenticator_id || authenticator_type || timestamp)
      *
      * where ``||'' represents concatenation, the leading zero is a single byte, and all integers
      * are represented as unsigned values, the full width of the type.  The challenge, userId and
      * authenticatorId values are in machine order, but authenticatorType and timestamp are in
      * network order.  This odd construction is compatible with the hw_auth_token_t structure,
+     *
+     * Note that mac is a vec rather than an array, not because it's actually variable-length but
+     * because it could be empty.  As documented in the IKeymasterDevice::begin,
+     * IKeymasterDevice::update and IKeymasterDevice::finish doc comments, an empty mac indicates
+     * that this auth token is empty.
      */
-    uint8_t[32] mac;
+    vec<uint8_t> mac;
 };
 
 typedef uint64_t OperationHandle;
+
+/**
+ * HmacSharingParameters holds the data used in the process of establishing a shared HMAC key
+ * between multiple Keymaster instances.  Sharing parameters are returned in this struct by
+ * getHmacSharingParameters() and send to computeSharedHmac().  See the named methods in IKeymaster
+ * for details of usage.
+ */
+struct HmacSharingParameters {
+    /**
+     * Either empty or contains a persistent value that is associated with the pre-shared HMAC
+     * agreement key (see documentation of computeSharedHmac in @4.0::IKeymaster).  It is either
+     * empty or 32 bytes in length.
+     */
+    vec<uint8_t> seed;
+
+    /**
+     * A 32-byte value which is guaranteed to be different each time
+     * getHmacSharingParameters() is called.  Probabilistic uniqueness (i.e. random) is acceptable,
+     * though a stronger uniqueness guarantee (e.g. counter) is recommended where possible.
+     */
+    uint8_t[32] nonce;
+};
+
+/**
+ * VerificationToken enables one Keymaster instance to validate authorizations for another.  See
+ * verifyAuthorizations() in IKeymaster for details.
+ */
+struct VerificationToken {
+    /**
+     * The operation handle, used to ensure freshness.
+     */
+    uint64_t challenge;
+
+    /**
+     * The current time of the secure environment that generates the VerificationToken.  This can be
+     * checked against auth tokens generated by the same secure environment, which avoids needing to
+     * synchronize clocks.
+     */
+    Timestamp timestamp;
+
+    /**
+     * A list of the parameters verified.  Empty if the only parameters verified are time-related.
+     * In that case the timestamp is the payload.
+     */
+    vec<KeyParameter> parametersVerified;
+
+    /**
+     * SecurityLevel of the secure environment that generated the token.
+     */
+    SecurityLevel securityLevel;
+
+    /**
+     * 32-byte HMAC of the above values, computed as:
+     *
+     *    HMAC(H,
+     *         "Auth Verification" || challenge || timestamp || securityLevel || parametersVerified)
+     *
+     * where:
+     *
+     *   ``HMAC'' is the shared HMAC key (see computeSharedHmac() in IKeymaster).
+     *
+     *   ``||'' represents concatenation
+     *
+     * The representation of challenge and timestamp is as 64-bit unsigned integers in big-endian
+     * order.  securityLevel is represented as a 32-bit unsigned integer in big-endian order.
+     *
+     * If parametersVerified is non-empty, the representation of parametersVerified is an ASN.1 DER
+     * encoded representation of the values.  The ASN.1 schema used is the AuthorizationList schema
+     * from the Keystore attestation documentation.  If parametersVerified is empty, it is simply
+     * omitted from the HMAC computation.
+     */
+    vec<uint8_t> mac;
+};
diff --git a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
index 38dd302..c8858de 100644
--- a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -138,6 +138,8 @@
             return a.f.integer == b.f.integer;
         case Tag::ORIGIN:
             return a.f.origin == b.f.origin;
+        case Tag::HARDWARE_TYPE:
+            return a.f.hardwareType == b.f.hardwareType;
     }
 
     return false;
@@ -435,9 +437,9 @@
         ASSERT_NE(keymaster_, nullptr);
 
         ASSERT_TRUE(keymaster_
-                        ->getHardwareInfo([&](bool is_secure, const hidl_string& name,
+                        ->getHardwareInfo([&](SecurityLevel securityLevel, const hidl_string& name,
                                               const hidl_string& author) {
-                            is_secure_ = is_secure;
+                            securityLevel_ = securityLevel;
                             name_ = name;
                             author_ = author;
                         })
@@ -617,7 +619,7 @@
         ErrorCode error;
         EXPECT_TRUE(keymaster_
                         ->update(op_handle, in_params.hidl_data(), HidlBuf(input),
-                                 HardwareAuthToken(),
+                                 HardwareAuthToken(), VerificationToken(),
                                  [&](ErrorCode hidl_error, uint32_t hidl_input_consumed,
                                      const hidl_vec<KeyParameter>& hidl_out_params,
                                      const HidlBuf& hidl_output) {
@@ -647,7 +649,7 @@
         EXPECT_TRUE(
             keymaster_
                 ->finish(op_handle, in_params.hidl_data(), HidlBuf(input), HidlBuf(signature),
-                         HardwareAuthToken(),
+                         HardwareAuthToken(), VerificationToken(),
                          [&](ErrorCode hidl_error, const hidl_vec<KeyParameter>& hidl_out_params,
                              const HidlBuf& hidl_output) {
                              error = hidl_error;
@@ -869,7 +871,7 @@
         return retval;
     }
 
-    static bool IsSecure() { return is_secure_; }
+    static bool IsSecure() { return securityLevel_ != SecurityLevel::SOFTWARE; }
 
     HidlBuf key_blob_;
     KeyCharacteristics key_characteristics_;
@@ -880,7 +882,7 @@
     static uint32_t os_version_;
     static uint32_t os_patch_level_;
 
-    static bool is_secure_;
+    static SecurityLevel securityLevel_;
     static hidl_string name_;
     static hidl_string author_;
 };
@@ -947,7 +949,7 @@
 sp<IKeymasterDevice> KeymasterHidlTest::keymaster_;
 uint32_t KeymasterHidlTest::os_version_;
 uint32_t KeymasterHidlTest::os_patch_level_;
-bool KeymasterHidlTest::is_secure_;
+SecurityLevel KeymasterHidlTest::securityLevel_;
 hidl_string KeymasterHidlTest::name_;
 hidl_string KeymasterHidlTest::author_;
 
diff --git a/tests/memory/1.0/Android.bp b/tests/memory/1.0/Android.bp
index 5038664..cbee247 100644
--- a/tests/memory/1.0/Android.bp
+++ b/tests/memory/1.0/Android.bp
@@ -7,9 +7,9 @@
         "IMemoryTest.hal",
     ],
     interfaces: [
-        "android.hidl.memory.token@1.0",
-        "android.hidl.memory.block@1.0",
         "android.hidl.base@1.0",
+        "android.hidl.memory.block@1.0",
+        "android.hidl.memory.token@1.0",
     ],
     gen_java: false,
 }
diff --git a/wifi/1.2/default/wifi_chip.cpp b/wifi/1.2/default/wifi_chip.cpp
index 79fdfdc..4e2191d 100644
--- a/wifi/1.2/default/wifi_chip.cpp
+++ b/wifi/1.2/default/wifi_chip.cpp
@@ -71,6 +71,7 @@
 namespace V1_2 {
 namespace implementation {
 using hidl_return_util::validateAndCall;
+using hidl_return_util::validateAndCallWithLock;
 
 WifiChip::WifiChip(
     ChipId chip_id, const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
@@ -121,9 +122,9 @@
 
 Return<void> WifiChip::configureChip(ChipModeId mode_id,
                                      configureChip_cb hidl_status_cb) {
-    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
-                           &WifiChip::configureChipInternal, hidl_status_cb,
-                           mode_id);
+    return validateAndCallWithLock(
+        this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+        &WifiChip::configureChipInternal, hidl_status_cb, mode_id);
 }
 
 Return<void> WifiChip::getMode(getMode_cb hidl_status_cb) {
@@ -397,7 +398,9 @@
             {sta_chip_mode, ap_chip_mode}};
 }
 
-WifiStatus WifiChip::configureChipInternal(ChipModeId mode_id) {
+WifiStatus WifiChip::configureChipInternal(
+    /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
+    ChipModeId mode_id) {
     if (mode_id != kStaChipModeId && mode_id != kApChipModeId) {
         return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
     }
@@ -405,7 +408,7 @@
         LOG(DEBUG) << "Already in the specified mode " << mode_id;
         return createWifiStatus(WifiStatusCode::SUCCESS);
     }
-    WifiStatus status = handleChipConfiguration(mode_id);
+    WifiStatus status = handleChipConfiguration(lock, mode_id);
     if (status.code != WifiStatusCode::SUCCESS) {
         for (const auto& callback : event_cb_handler_.getCallbacks()) {
             if (!callback->onChipReconfigureFailure(status).isOk()) {
@@ -421,6 +424,7 @@
         }
     }
     current_mode_id_ = mode_id;
+    LOG(INFO) << "Configured chip in mode " << mode_id;
     return status;
 }
 
@@ -792,15 +796,22 @@
     return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiChip::handleChipConfiguration(ChipModeId mode_id) {
+WifiStatus WifiChip::handleChipConfiguration(
+    /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
+    ChipModeId mode_id) {
     // If the chip is already configured in a different mode, stop
     // the legacy HAL and then start it after firmware mode change.
-    // Currently the underlying implementation has a deadlock issue.
-    // We should return ERROR_NOT_SUPPORTED if chip is already configured in
-    // a different mode.
     if (current_mode_id_ != kInvalidModeId) {
-        // TODO(b/37446050): Fix the deadlock.
-        return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
+        LOG(INFO) << "Reconfiguring chip from mode " << current_mode_id_
+                  << " to mode " << mode_id;
+        invalidateAndRemoveAllIfaces();
+        legacy_hal::wifi_error legacy_status =
+            legacy_hal_.lock()->stop(lock, []() {});
+        if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+            LOG(ERROR) << "Failed to stop legacy HAL: "
+                       << legacyErrorToString(legacy_status);
+            return createWifiStatusFromLegacyError(legacy_status);
+        }
     }
     bool success;
     if (mode_id == kStaChipModeId) {
diff --git a/wifi/1.2/default/wifi_chip.h b/wifi/1.2/default/wifi_chip.h
index 8cb15bb..ac59d59 100644
--- a/wifi/1.2/default/wifi_chip.h
+++ b/wifi/1.2/default/wifi_chip.h
@@ -141,7 +141,8 @@
         const sp<IWifiChipEventCallback>& event_callback);
     std::pair<WifiStatus, uint32_t> getCapabilitiesInternal();
     std::pair<WifiStatus, std::vector<ChipMode>> getAvailableModesInternal();
-    WifiStatus configureChipInternal(ChipModeId mode_id);
+    WifiStatus configureChipInternal(
+        std::unique_lock<std::recursive_mutex>* lock, ChipModeId mode_id);
     std::pair<WifiStatus, uint32_t> getModeInternal();
     std::pair<WifiStatus, IWifiChip::ChipDebugInfo>
     requestChipDebugInfoInternal();
@@ -185,7 +186,8 @@
     WifiStatus selectTxPowerScenarioInternal(TxPowerScenario scenario);
     WifiStatus resetTxPowerScenarioInternal();
 
-    WifiStatus handleChipConfiguration(ChipModeId mode_id);
+    WifiStatus handleChipConfiguration(
+        std::unique_lock<std::recursive_mutex>* lock, ChipModeId mode_id);
     WifiStatus registerDebugRingBufferCallback();
 
     ChipId chip_id_;
diff --git a/wifi/1.2/default/wifi_legacy_hal.cpp b/wifi/1.2/default/wifi_legacy_hal.cpp
index 8289c67..24b80d5 100644
--- a/wifi/1.2/default/wifi_legacy_hal.cpp
+++ b/wifi/1.2/default/wifi_legacy_hal.cpp
@@ -309,6 +309,15 @@
         on_nan_event_range_report_user_callback(*event);
     }
 }
+
+std::function<void(const NanDataPathScheduleUpdateInd&)>
+    on_nan_event_schedule_update_user_callback;
+void onAsyncNanEventScheduleUpdate(NanDataPathScheduleUpdateInd* event) {
+    const auto lock = hidl_sync_util::acquireGlobalLock();
+    if (on_nan_event_schedule_update_user_callback && event) {
+        on_nan_event_schedule_update_user_callback(*event);
+    }
+}
 // End of the free-standing "C" style callbacks.
 
 WifiLegacyHal::WifiLegacyHal()
@@ -1061,6 +1070,8 @@
         user_callbacks.on_event_range_request;
     on_nan_event_range_report_user_callback =
         user_callbacks.on_event_range_report;
+    on_nan_event_schedule_update_user_callback =
+        user_callbacks.on_event_schedule_update;
 
     return global_func_table_.wifi_nan_register_handler(
         getIfaceHandle(iface_name),
@@ -1072,7 +1083,7 @@
          onAysncNanEventBeaconSdfPayload, onAysncNanEventDataPathRequest,
          onAysncNanEventDataPathConfirm, onAysncNanEventDataPathEnd,
          onAysncNanEventTransmitFollowUp, onAysncNanEventRangeRequest,
-         onAysncNanEventRangeReport});
+         onAysncNanEventRangeReport, onAsyncNanEventScheduleUpdate});
 }
 
 wifi_error WifiLegacyHal::nanEnableRequest(const std::string& iface_name,
@@ -1330,6 +1341,7 @@
     on_nan_event_transmit_follow_up_user_callback = nullptr;
     on_nan_event_range_request_user_callback = nullptr;
     on_nan_event_range_report_user_callback = nullptr;
+    on_nan_event_schedule_update_user_callback = nullptr;
 }
 
 }  // namespace legacy_hal
diff --git a/wifi/1.2/default/wifi_legacy_hal.h b/wifi/1.2/default/wifi_legacy_hal.h
index 193928b..05f700e 100644
--- a/wifi/1.2/default/wifi_legacy_hal.h
+++ b/wifi/1.2/default/wifi_legacy_hal.h
@@ -100,6 +100,7 @@
         on_event_transmit_follow_up;
     std::function<void(const NanRangeRequestInd&)> on_event_range_request;
     std::function<void(const NanRangeReportInd&)> on_event_range_report;
+    std::function<void(const NanDataPathScheduleUpdateInd&)> on_event_schedule_update;
 };
 
 // Full scan results contain IE info and are hence passed by reference, to
diff --git a/wifi/1.2/default/wifi_nan_iface.cpp b/wifi/1.2/default/wifi_nan_iface.cpp
index 1d786e3..e7bbfaa 100644
--- a/wifi/1.2/default/wifi_nan_iface.cpp
+++ b/wifi/1.2/default/wifi_nan_iface.cpp
@@ -467,6 +467,11 @@
             LOG(ERROR) << "on_event_range_report - should not be called";
         };
 
+    callback_handlers.on_event_schedule_update =
+        [weak_ptr_this](const legacy_hal::NanDataPathScheduleUpdateInd& /* msg */) {
+            LOG(ERROR) << "on_event_schedule_update - should not be called";
+        };
+
     legacy_hal::wifi_error legacy_status =
         legacy_hal_.lock()->nanRegisterCallbackHandlers(ifname_,
                                                         callback_handlers);