diff --git a/broadcastradio/common/tests/Android.bp b/broadcastradio/common/tests/Android.bp
new file mode 100644
index 0000000..4456602
--- /dev/null
+++ b/broadcastradio/common/tests/Android.bp
@@ -0,0 +1,29 @@
+//
+// 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: "android.hardware.broadcastradio@common-utils-tests",
+    vendor: true,
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "WorkerThread_test.cpp",
+    ],
+    static_libs: ["android.hardware.broadcastradio@common-utils-lib"],
+}
\ No newline at end of file
diff --git a/broadcastradio/common/tests/OWNERS b/broadcastradio/common/tests/OWNERS
new file mode 100644
index 0000000..21e1cd6
--- /dev/null
+++ b/broadcastradio/common/tests/OWNERS
@@ -0,0 +1,7 @@
+# Automotive team
+egranata@google.com
+twasilczyk@google.com
+
+# VTS team
+ryanjcampbell@google.com
+yim@google.com
diff --git a/broadcastradio/common/tests/WorkerThread_test.cpp b/broadcastradio/common/tests/WorkerThread_test.cpp
new file mode 100644
index 0000000..ed36de3
--- /dev/null
+++ b/broadcastradio/common/tests/WorkerThread_test.cpp
@@ -0,0 +1,138 @@
+/*
+ * 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/WorkerThread.h>
+#include <gtest/gtest.h>
+
+namespace {
+
+using namespace std::chrono_literals;
+
+using android::WorkerThread;
+
+using std::atomic;
+using std::chrono::time_point;
+using std::chrono::steady_clock;
+using std::is_sorted;
+using std::lock_guard;
+using std::mutex;
+using std::this_thread::sleep_for;
+using std::vector;
+
+#define ASSERT_EQ_WITH_TOLERANCE(val1, val2, tolerance) \
+    ASSERT_LE((val1) - (tolerance), (val2));            \
+    ASSERT_GE((val1) + (tolerance), (val2));
+
+TEST(WorkerThreadTest, oneTask) {
+    atomic<bool> executed(false);
+    atomic<time_point<steady_clock>> stop;
+    WorkerThread thread;
+
+    auto start = steady_clock::now();
+    thread.schedule(
+        [&]() {
+            stop = steady_clock::now();
+            executed = true;
+        },
+        100ms);
+
+    sleep_for(150ms);
+
+    ASSERT_TRUE(executed);
+    auto delta = stop.load() - start;
+    ASSERT_EQ_WITH_TOLERANCE(delta, 100ms, 50ms);
+}
+
+TEST(WorkerThreadTest, cancelSecond) {
+    atomic<bool> executed1(false);
+    atomic<bool> executed2(false);
+    WorkerThread thread;
+
+    thread.schedule([&]() { executed2 = true; }, 100ms);
+    thread.schedule([&]() { executed1 = true; }, 25ms);
+
+    sleep_for(50ms);
+    thread.cancelAll();
+    sleep_for(100ms);
+
+    ASSERT_TRUE(executed1);
+    ASSERT_FALSE(executed2);
+}
+
+TEST(WorkerThreadTest, executeInOrder) {
+    mutex mut;
+    vector<int> order;
+    WorkerThread thread;
+
+    thread.schedule(
+        [&]() {
+            lock_guard<mutex> lk(mut);
+            order.push_back(0);
+        },
+        50ms);
+
+    thread.schedule(
+        [&]() {
+            lock_guard<mutex> lk(mut);
+            order.push_back(4);
+        },
+        400ms);
+
+    thread.schedule(
+        [&]() {
+            lock_guard<mutex> lk(mut);
+            order.push_back(1);
+        },
+        100ms);
+
+    thread.schedule(
+        [&]() {
+            lock_guard<mutex> lk(mut);
+            order.push_back(3);
+        },
+        300ms);
+
+    thread.schedule(
+        [&]() {
+            lock_guard<mutex> lk(mut);
+            order.push_back(2);
+        },
+        200ms);
+
+    sleep_for(500ms);
+
+    ASSERT_EQ(5u, order.size());
+    ASSERT_TRUE(is_sorted(order.begin(), order.end()));
+}
+
+TEST(WorkerThreadTest, dontExecuteAfterDestruction) {
+    atomic<bool> executed1(false);
+    atomic<bool> executed2(false);
+    {
+        WorkerThread thread;
+
+        thread.schedule([&]() { executed2 = true; }, 100ms);
+        thread.schedule([&]() { executed1 = true; }, 25ms);
+
+        sleep_for(50ms);
+    }
+    sleep_for(100ms);
+
+    ASSERT_TRUE(executed1);
+    ASSERT_FALSE(executed2);
+}
+
+}  // anonymous namespace
diff --git a/broadcastradio/common/utils/Android.bp b/broadcastradio/common/utils/Android.bp
new file mode 100644
index 0000000..d8bd125
--- /dev/null
+++ b/broadcastradio/common/utils/Android.bp
@@ -0,0 +1,34 @@
+//
+// 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-lib",
+    vendor_available: true,
+    relative_install_path: "hw",
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    srcs: [
+        "Utils.cpp",
+        "WorkerThread.cpp",
+    ],
+    export_include_dirs: ["include"],
+    shared_libs: [
+        "android.hardware.broadcastradio@1.1",
+    ],
+}
diff --git a/broadcastradio/common/utils/OWNERS b/broadcastradio/common/utils/OWNERS
new file mode 100644
index 0000000..136b607
--- /dev/null
+++ b/broadcastradio/common/utils/OWNERS
@@ -0,0 +1,3 @@
+# Automotive team
+egranata@google.com
+twasilczyk@google.com
diff --git a/broadcastradio/common/utils/Utils.cpp b/broadcastradio/common/utils/Utils.cpp
new file mode 100644
index 0000000..bdaf8e8
--- /dev/null
+++ b/broadcastradio/common/utils/Utils.cpp
@@ -0,0 +1,236 @@
+/*
+ * 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 "BroadcastRadioDefault.utils"
+//#define LOG_NDEBUG 0
+
+#include <broadcastradio-utils/Utils.h>
+
+#include <log/log.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace utils {
+
+using V1_0::Band;
+using V1_1::IdentifierType;
+using V1_1::ProgramIdentifier;
+using V1_1::ProgramSelector;
+using V1_1::ProgramType;
+
+static bool isCompatibleProgramType(const uint32_t ia, const uint32_t ib) {
+    auto a = static_cast<ProgramType>(ia);
+    auto b = static_cast<ProgramType>(ib);
+
+    if (a == b) return true;
+    if (a == ProgramType::AM && b == ProgramType::AM_HD) return true;
+    if (a == ProgramType::AM_HD && b == ProgramType::AM) return true;
+    if (a == ProgramType::FM && b == ProgramType::FM_HD) return true;
+    if (a == ProgramType::FM_HD && b == ProgramType::FM) return true;
+    return false;
+}
+
+static bool bothHaveId(const ProgramSelector& a, const ProgramSelector& b,
+                       const IdentifierType type) {
+    return hasId(a, type) && hasId(b, type);
+}
+
+static bool anyHaveId(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.
+     */
+    auto aId = getId(a, type);
+    auto bId = getId(b, type);
+    return aId == bId;
+}
+
+bool tunesTo(const ProgramSelector& a, const ProgramSelector& b) {
+    if (!isCompatibleProgramType(a.programType, b.programType)) return false;
+
+    auto type = getType(a);
+
+    switch (type) {
+        case ProgramType::AM:
+        case ProgramType::AM_HD:
+        case ProgramType::FM:
+        case ProgramType::FM_HD:
+            if (haveEqualIds(a, b, IdentifierType::HD_STATION_ID_EXT)) return true;
+
+            // if HD Radio subchannel is specified, it must match
+            if (anyHaveId(a, b, IdentifierType::HD_SUBCHANNEL)) {
+                // missing subchannel (analog) is an equivalent of first subchannel (MPS)
+                auto aCh = getId(a, IdentifierType::HD_SUBCHANNEL, 0);
+                auto bCh = getId(b, IdentifierType::HD_SUBCHANNEL, 0);
+                if (aCh != bCh) return false;
+            }
+
+            if (haveEqualIds(a, b, IdentifierType::RDS_PI)) return true;
+
+            return haveEqualIds(a, b, IdentifierType::AMFM_FREQUENCY);
+        case ProgramType::DAB:
+            return haveEqualIds(a, b, IdentifierType::DAB_SIDECC);
+        case ProgramType::DRMO:
+            return haveEqualIds(a, b, IdentifierType::DRMO_SERVICE_ID);
+        case ProgramType::SXM:
+            if (anyHaveId(a, b, IdentifierType::SXM_SERVICE_ID)) {
+                return haveEqualIds(a, b, IdentifierType::SXM_SERVICE_ID);
+            }
+            return haveEqualIds(a, b, IdentifierType::SXM_CHANNEL);
+        default:  // includes all vendor types
+            ALOGW("Unsupported program type: %s", toString(type).c_str());
+            return false;
+    }
+}
+
+ProgramType getType(const ProgramSelector& sel) {
+    return static_cast<ProgramType>(sel.programType);
+}
+
+bool isAmFm(const ProgramType type) {
+    switch (type) {
+        case ProgramType::AM:
+        case ProgramType::FM:
+        case ProgramType::AM_HD:
+        case ProgramType::FM_HD:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool isAm(const Band band) {
+    return band == Band::AM || band == Band::AM_HD;
+}
+
+bool isFm(const Band band) {
+    return band == Band::FM || band == Band::FM_HD;
+}
+
+bool hasId(const ProgramSelector& sel, const IdentifierType type) {
+    auto itype = static_cast<uint32_t>(type);
+    if (sel.primaryId.type == itype) return true;
+    // not optimal, but we don't care in default impl
+    for (auto&& id : sel.secondaryIds) {
+        if (id.type == itype) return true;
+    }
+    return false;
+}
+
+uint64_t getId(const ProgramSelector& sel, const IdentifierType type) {
+    auto itype = static_cast<uint32_t>(type);
+    if (sel.primaryId.type == itype) return sel.primaryId.value;
+    // not optimal, but we don't care in default impl
+    for (auto&& id : sel.secondaryIds) {
+        if (id.type == itype) return id.value;
+    }
+    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);
+}
+
+ProgramSelector make_selector(Band band, uint32_t channel, uint32_t subChannel) {
+    ProgramSelector sel = {};
+
+    ALOGW_IF((subChannel > 0) && (band == Band::AM || band == Band::FM),
+             "got subChannel for non-HD AM/FM");
+
+    // we can't use ProgramType::AM_HD or FM_HD, because we don't know HD station ID
+    ProgramType type;
+    if (isAm(band)) {
+        type = ProgramType::AM;
+    } else if (isFm(band)) {
+        type = ProgramType::FM;
+    } else {
+        LOG_ALWAYS_FATAL("Unsupported band: %s", toString(band).c_str());
+    }
+
+    sel.programType = static_cast<uint32_t>(type);
+    sel.primaryId.type = static_cast<uint32_t>(IdentifierType::AMFM_FREQUENCY);
+    sel.primaryId.value = channel;
+    if (subChannel > 0) {
+        /* stating sub channel for AM/FM channel does not give any guarantees,
+         * but we can't do much more without HD station ID
+         *
+         * The legacy APIs had 1-based subChannels, while ProgramSelector is 0-based.
+         */
+        sel.secondaryIds = hidl_vec<ProgramIdentifier>{
+            {static_cast<uint32_t>(IdentifierType::HD_SUBCHANNEL), subChannel - 1},
+        };
+    }
+
+    return sel;
+}
+
+bool getLegacyChannel(const ProgramSelector& sel, uint32_t* channelOut, uint32_t* subChannelOut) {
+    if (channelOut) *channelOut = 0;
+    if (subChannelOut) *subChannelOut = 0;
+    if (isAmFm(getType(sel))) {
+        if (channelOut) *channelOut = getId(sel, IdentifierType::AMFM_FREQUENCY);
+        if (subChannelOut && hasId(sel, IdentifierType::HD_SUBCHANNEL)) {
+            // The legacy APIs had 1-based subChannels, while ProgramSelector is 0-based.
+            *subChannelOut = getId(sel, IdentifierType::HD_SUBCHANNEL) + 1;
+        }
+        return true;
+    }
+    return false;
+}
+
+bool isDigital(const ProgramSelector& sel) {
+    switch (getType(sel)) {
+        case ProgramType::AM:
+        case ProgramType::FM:
+            return false;
+        default:
+            // VENDOR might not be digital, but it doesn't matter for default impl.
+            return true;
+    }
+}
+
+}  // namespace utils
+
+namespace V1_0 {
+
+bool operator==(const BandConfig& l, const BandConfig& r) {
+    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)) {
+        return l.ext.am == r.ext.am;
+    } else if (utils::isFm(l.type)) {
+        return l.ext.fm == r.ext.fm;
+    } else {
+        ALOGW("Unsupported band config type: %s", toString(l.type).c_str());
+        return false;
+    }
+}
+
+}  // namespace V1_0
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/common/utils/WorkerThread.cpp b/broadcastradio/common/utils/WorkerThread.cpp
new file mode 100644
index 0000000..bfcbb39
--- /dev/null
+++ b/broadcastradio/common/utils/WorkerThread.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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 "WorkerThread"
+//#define LOG_NDEBUG 0
+
+#include <broadcastradio-utils/WorkerThread.h>
+
+#include <log/log.h>
+
+namespace android {
+
+using std::chrono::milliseconds;
+using std::chrono::steady_clock;
+using std::function;
+using std::lock_guard;
+using std::mutex;
+using std::priority_queue;
+using std::this_thread::sleep_for;
+using std::unique_lock;
+
+bool operator<(const WorkerThread::Task& lhs, const WorkerThread::Task& rhs) {
+    return lhs.when > rhs.when;
+}
+
+WorkerThread::WorkerThread() : mIsTerminating(false), mThread(&WorkerThread::threadLoop, this) {}
+
+WorkerThread::~WorkerThread() {
+    ALOGV("%s", __func__);
+    {
+        lock_guard<mutex> lk(mMut);
+        mIsTerminating = true;
+        mCond.notify_one();
+    }
+    mThread.join();
+}
+
+void WorkerThread::schedule(function<void()> task, milliseconds delay) {
+    ALOGV("%s", __func__);
+
+    auto when = steady_clock::now() + delay;
+
+    lock_guard<mutex> lk(mMut);
+    mTasks.push(Task({when, task}));
+    mCond.notify_one();
+}
+
+void WorkerThread::cancelAll() {
+    ALOGV("%s", __func__);
+
+    lock_guard<mutex> lk(mMut);
+    priority_queue<Task>().swap(mTasks);  // empty queue
+}
+
+void WorkerThread::threadLoop() {
+    ALOGV("%s", __func__);
+    while (!mIsTerminating) {
+        unique_lock<mutex> lk(mMut);
+        if (mTasks.empty()) {
+            mCond.wait(lk);
+            continue;
+        }
+
+        auto task = mTasks.top();
+        if (task.when > steady_clock::now()) {
+            mCond.wait_until(lk, task.when);
+            continue;
+        }
+
+        mTasks.pop();
+        lk.unlock();  // what() might need to schedule another task
+        task.what();
+    }
+}
+
+}  // namespace android
diff --git a/broadcastradio/common/utils/include/broadcastradio-utils/Utils.h b/broadcastradio/common/utils/include/broadcastradio-utils/Utils.h
new file mode 100644
index 0000000..b07ce79
--- /dev/null
+++ b/broadcastradio/common/utils/include/broadcastradio-utils/Utils.h
@@ -0,0 +1,88 @@
+/*
+ * 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_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_H
+
+#include <android/hardware/broadcastradio/1.1/types.h>
+#include <chrono>
+#include <queue>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace utils {
+
+enum class HalRevision : uint32_t {
+    V1_0 = 1,
+    V1_1,
+    V1_2,
+};
+
+/**
+ * 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 V1_1::ProgramSelector& pointer, const V1_1::ProgramSelector& channel);
+
+V1_1::ProgramType getType(const V1_1::ProgramSelector& sel);
+bool isAmFm(const V1_1::ProgramType type);
+
+bool isAm(const V1_0::Band band);
+bool isFm(const V1_0::Band band);
+
+bool hasId(const V1_1::ProgramSelector& sel, const V1_1::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 V1_1::ProgramSelector& sel, const V1_1::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 V1_1::ProgramSelector& sel, const V1_1::IdentifierType type, uint64_t defval);
+
+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 isDigital(const V1_1::ProgramSelector& sel);
+
+}  // namespace utils
+
+namespace V1_0 {
+
+bool operator==(const BandConfig& l, const BandConfig& r);
+
+}  // namespace V1_0
+
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_UTILS_H
diff --git a/broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h b/broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h
new file mode 100644
index 0000000..62bede6
--- /dev/null
+++ b/broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h
@@ -0,0 +1,51 @@
+/*
+ * 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_WORKERTHREAD_H
+#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_WORKERTHREAD_H
+
+#include <chrono>
+#include <queue>
+#include <thread>
+
+namespace android {
+
+class WorkerThread {
+   public:
+    WorkerThread();
+    virtual ~WorkerThread();
+
+    void schedule(std::function<void()> task, std::chrono::milliseconds delay);
+    void cancelAll();
+
+   private:
+    struct Task {
+        std::chrono::time_point<std::chrono::steady_clock> when;
+        std::function<void()> what;
+    };
+    friend bool operator<(const Task& lhs, const Task& rhs);
+
+    std::atomic<bool> mIsTerminating;
+    std::mutex mMut;
+    std::condition_variable mCond;
+    std::thread mThread;
+    std::priority_queue<Task> mTasks;
+
+    void threadLoop();
+};
+
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_WORKERTHREAD_H
diff --git a/broadcastradio/common/vts/utils/Android.bp b/broadcastradio/common/vts/utils/Android.bp
new file mode 100644
index 0000000..4ba8a17
--- /dev/null
+++ b/broadcastradio/common/vts/utils/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_library_static {
+    name: "android.hardware.broadcastradio@vts-utils-lib",
+    srcs: [
+        "call-barrier.cpp",
+    ],
+    export_include_dirs: ["include"],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+}
diff --git a/broadcastradio/common/vts/utils/OWNERS b/broadcastradio/common/vts/utils/OWNERS
new file mode 100644
index 0000000..21e1cd6
--- /dev/null
+++ b/broadcastradio/common/vts/utils/OWNERS
@@ -0,0 +1,7 @@
+# Automotive team
+egranata@google.com
+twasilczyk@google.com
+
+# VTS team
+ryanjcampbell@google.com
+yim@google.com
diff --git a/broadcastradio/common/vts/utils/call-barrier.cpp b/broadcastradio/common/vts/utils/call-barrier.cpp
new file mode 100644
index 0000000..d8c4716
--- /dev/null
+++ b/broadcastradio/common/vts/utils/call-barrier.cpp
@@ -0,0 +1,45 @@
+/*
+ * 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-vts-utils/call-barrier.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace vts {
+
+using std::lock_guard;
+using std::mutex;
+using std::unique_lock;
+
+void CallBarrier::call() {
+    lock_guard<mutex> lk(mMut);
+    mWasCalled = true;
+    mCond.notify_all();
+}
+
+bool CallBarrier::waitForCall(std::chrono::milliseconds timeout) {
+    unique_lock<mutex> lk(mMut);
+
+    if (mWasCalled) return true;
+
+    auto status = mCond.wait_for(lk, timeout);
+    return status == std::cv_status::no_timeout;
+}
+
+}  // namespace vts
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
diff --git a/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/call-barrier.h b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/call-barrier.h
new file mode 100644
index 0000000..462396a
--- /dev/null
+++ b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/call-barrier.h
@@ -0,0 +1,59 @@
+/*
+ * 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_V1_1_CALL_BARRIER
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_CALL_BARRIER
+
+#include <chrono>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace vts {
+
+/**
+ * A barrier for thread synchronization, where one should wait for another to
+ * reach a specific point in execution.
+ */
+class CallBarrier {
+   public:
+    /**
+     * Notify the other thread it may continue execution.
+     *
+     * This may be called before the other thread starts waiting on the barrier.
+     */
+    void call();
+
+    /**
+     * Wait for the other thread to reach call() execution point.
+     *
+     * @param timeout a maximum time to wait.
+     * @returns {@code false} if timed out, {@code true} otherwise.
+     */
+    bool waitForCall(std::chrono::milliseconds timeout);
+
+   private:
+    bool mWasCalled = false;
+    std::mutex mMut;
+    std::condition_variable mCond;
+};
+
+}  // namespace vts
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_CALL_BARRIER
diff --git a/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/mock-timeout.h b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/mock-timeout.h
new file mode 100644
index 0000000..b0ce088
--- /dev/null
+++ b/broadcastradio/common/vts/utils/include/broadcastradio-vts-utils/mock-timeout.h
@@ -0,0 +1,111 @@
+/*
+ * 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_V1_1_MOCK_TIMEOUT
+#define ANDROID_HARDWARE_BROADCASTRADIO_V1_1_MOCK_TIMEOUT
+
+#include <gmock/gmock.h>
+#include <thread>
+
+/**
+ * Common helper objects for gmock timeout extension.
+ *
+ * INTERNAL IMPLEMENTATION - don't use in user code.
+ */
+#define EGMOCK_TIMEOUT_METHOD_DEF_(Method, ...) \
+    std::atomic<bool> egmock_called_##Method;   \
+    std::mutex egmock_mut_##Method;             \
+    std::condition_variable egmock_cond_##Method;
+
+/**
+ * Common method body for gmock timeout extension.
+ *
+ * INTERNAL IMPLEMENTATION - don't use in user code.
+ */
+#define EGMOCK_TIMEOUT_METHOD_BODY_(Method, ...)             \
+    auto ret = egmock_##Method(__VA_ARGS__);                 \
+    {                                                        \
+        std::lock_guard<std::mutex> lk(egmock_mut_##Method); \
+        egmock_called_##Method = true;                       \
+        egmock_cond_##Method.notify_all();                   \
+    }                                                        \
+    return ret;
+
+/**
+ * Gmock MOCK_METHOD0 timeout-capable extension.
+ */
+#define MOCK_TIMEOUT_METHOD0(Method, ...)       \
+    MOCK_METHOD0(egmock_##Method, __VA_ARGS__); \
+    EGMOCK_TIMEOUT_METHOD_DEF_(Method);         \
+    virtual GMOCK_RESULT_(, __VA_ARGS__) Method() { EGMOCK_TIMEOUT_METHOD_BODY_(Method); }
+
+/**
+ * Gmock MOCK_METHOD1 timeout-capable extension.
+ */
+#define MOCK_TIMEOUT_METHOD1(Method, ...)                                                 \
+    MOCK_METHOD1(egmock_##Method, __VA_ARGS__);                                           \
+    EGMOCK_TIMEOUT_METHOD_DEF_(Method);                                                   \
+    virtual GMOCK_RESULT_(, __VA_ARGS__) Method(GMOCK_ARG_(, 1, __VA_ARGS__) egmock_a1) { \
+        EGMOCK_TIMEOUT_METHOD_BODY_(Method, egmock_a1);                                   \
+    }
+
+/**
+ * Gmock MOCK_METHOD2 timeout-capable extension.
+ */
+#define MOCK_TIMEOUT_METHOD2(Method, ...)                                                        \
+    MOCK_METHOD2(egmock_##Method, __VA_ARGS__);                                                  \
+    EGMOCK_TIMEOUT_METHOD_DEF_(Method);                                                          \
+    virtual GMOCK_RESULT_(, __VA_ARGS__)                                                         \
+        Method(GMOCK_ARG_(, 1, __VA_ARGS__) egmock_a1, GMOCK_ARG_(, 2, __VA_ARGS__) egmock_a2) { \
+        EGMOCK_TIMEOUT_METHOD_BODY_(Method, egmock_a1, egmock_a2);                               \
+    }
+
+/**
+ * Gmock EXPECT_CALL timeout-capable extension.
+ *
+ * It has slightly different syntax from the original macro, to make method name accessible.
+ * So, instead of typing
+ *     EXPECT_CALL(account, charge(100, Currency::USD));
+ * you need to inline arguments
+ *     EXPECT_TIMEOUT_CALL(account, charge, 100, Currency::USD);
+ */
+#define EXPECT_TIMEOUT_CALL(obj, Method, ...) \
+    (obj).egmock_called_##Method = false;     \
+    EXPECT_CALL(obj, egmock_##Method(__VA_ARGS__))
+
+/**
+ * Waits for an earlier EXPECT_TIMEOUT_CALL to execute.
+ *
+ * It does not fully support special constraints of the EXPECT_CALL clause, just proceeds when the
+ * first call to a given method comes. For example, in the following code:
+ *     EXPECT_TIMEOUT_CALL(account, charge, 100, _);
+ *     account.charge(50, Currency::USD);
+ *     EXPECT_TIMEOUT_CALL_WAIT(account, charge, 500ms);
+ * the wait clause will just continue, as the charge method was called.
+ *
+ * @param obj object for a call
+ * @param Method the method to wait for
+ * @param timeout the maximum time for waiting
+ */
+#define EXPECT_TIMEOUT_CALL_WAIT(obj, Method, timeout)                      \
+    {                                                                       \
+        std::unique_lock<std::mutex> lk((obj).egmock_mut_##Method);         \
+        if (!(obj).egmock_called_##Method) {                                \
+            auto status = (obj).egmock_cond_##Method.wait_for(lk, timeout); \
+            EXPECT_EQ(std::cv_status::no_timeout, status);                  \
+        }                                                                   \
+    }
+
+#endif  // ANDROID_HARDWARE_BROADCASTRADIO_V1_1_MOCK_TIMEOUT