diff --git a/broadcastradio/1.2/default/Tuner.cpp b/broadcastradio/1.2/default/Tuner.cpp
new file mode 100644
index 0000000..f5fb643
--- /dev/null
+++ b/broadcastradio/1.2/default/Tuner.cpp
@@ -0,0 +1,389 @@
+/*
+ * 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.tuner"
+#define LOG_NDEBUG 0
+
+#include "BroadcastRadio.h"
+#include "Tuner.h"
+
+#include <broadcastradio-utils/Utils.h>
+#include <log/log.h>
+
+namespace android {
+namespace hardware {
+namespace broadcastradio {
+namespace V1_2 {
+namespace implementation {
+
+using namespace std::chrono_literals;
+
+using V1_0::Band;
+using V1_0::BandConfig;
+using V1_0::Class;
+using V1_0::Direction;
+using V1_1::IdentifierType;
+using V1_1::ProgramInfo;
+using V1_1::ProgramInfoFlags;
+using V1_1::ProgramListResult;
+using V1_1::ProgramSelector;
+using V1_1::ProgramType;
+using V1_1::VendorKeyValue;
+using utils::HalRevision;
+
+using std::chrono::milliseconds;
+using std::lock_guard;
+using std::move;
+using std::mutex;
+using std::sort;
+using std::vector;
+
+const struct {
+    milliseconds config = 50ms;
+    milliseconds scan = 200ms;
+    milliseconds step = 100ms;
+    milliseconds tune = 150ms;
+} gDefaultDelay;
+
+Tuner::Tuner(V1_0::Class classId, const sp<V1_0::ITunerCallback>& callback)
+    : mClassId(classId),
+      mCallback(callback),
+      mCallback1_1(V1_1::ITunerCallback::castFrom(callback).withDefault(nullptr)),
+      mCallback1_2(V1_2::ITunerCallback::castFrom(callback).withDefault(nullptr)),
+      mVirtualRadio(getRadio(classId)),
+      mIsAnalogForced(false) {}
+
+void Tuner::forceClose() {
+    lock_guard<mutex> lk(mMut);
+    mIsClosed = true;
+    mThread.cancelAll();
+}
+
+Return<Result> Tuner::setConfiguration(const BandConfig& config) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+    if (mClassId != Class::AM_FM) {
+        ALOGE("Can't set AM/FM configuration on SAT/DT radio tuner");
+        return Result::INVALID_STATE;
+    }
+
+    if (config.lowerLimit >= config.upperLimit) return Result::INVALID_ARGUMENTS;
+
+    auto task = [this, config]() {
+        ALOGI("Setting AM/FM config");
+        lock_guard<mutex> lk(mMut);
+
+        mAmfmConfig = move(config);
+        mAmfmConfig.antennaConnected = true;
+        mCurrentProgram = utils::make_selector(mAmfmConfig.type, mAmfmConfig.lowerLimit);
+
+        if (utils::isFm(mAmfmConfig.type)) {
+            mVirtualRadio = std::ref(getFmRadio());
+        } else {
+            mVirtualRadio = std::ref(getAmRadio());
+        }
+
+        mIsAmfmConfigSet = true;
+        mCallback->configChange(Result::OK, mAmfmConfig);
+    };
+    mThread.schedule(task, gDefaultDelay.config);
+
+    return Result::OK;
+}
+
+Return<void> Tuner::getConfiguration(getConfiguration_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+
+    if (!mIsClosed && mIsAmfmConfigSet) {
+        _hidl_cb(Result::OK, mAmfmConfig);
+    } else {
+        _hidl_cb(Result::NOT_INITIALIZED, {});
+    }
+    return {};
+}
+
+// makes ProgramInfo that points to no program
+static ProgramInfo makeDummyProgramInfo(const ProgramSelector& selector) {
+    ProgramInfo info11 = {};
+    auto& info10 = info11.base;
+
+    utils::getLegacyChannel(selector, &info10.channel, &info10.subChannel);
+    info11.selector = selector;
+    info11.flags |= ProgramInfoFlags::MUTED;
+
+    return info11;
+}
+
+HalRevision Tuner::getHalRev() const {
+    if (mCallback1_2 != nullptr) {
+        return HalRevision::V1_2;
+    } else if (mCallback1_1 != nullptr) {
+        return HalRevision::V1_1;
+    } else {
+        return HalRevision::V1_0;
+    }
+}
+
+void Tuner::tuneInternalLocked(const ProgramSelector& sel) {
+    VirtualProgram virtualProgram;
+    if (mVirtualRadio.get().getProgram(sel, virtualProgram)) {
+        mCurrentProgram = virtualProgram.selector;
+        mCurrentProgramInfo = virtualProgram.getProgramInfo(getHalRev());
+    } else {
+        mCurrentProgram = sel;
+        mCurrentProgramInfo = makeDummyProgramInfo(sel);
+    }
+    mIsTuneCompleted = true;
+
+    if (mCallback1_1 == nullptr) {
+        mCallback->tuneComplete(Result::OK, mCurrentProgramInfo.base);
+    } else {
+        mCallback1_1->tuneComplete_1_1(Result::OK, mCurrentProgramInfo.selector);
+        mCallback1_1->currentProgramInfoChanged(mCurrentProgramInfo);
+    }
+}
+
+Return<Result> Tuner::scan(Direction direction, bool skipSubChannel __unused) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    auto list = mVirtualRadio.get().getProgramList();
+
+    if (list.empty()) {
+        mIsTuneCompleted = false;
+        auto task = [this, direction]() {
+            ALOGI("Performing failed scan %s", toString(direction).c_str());
+
+            if (mCallback1_1 == nullptr) {
+                mCallback->tuneComplete(Result::TIMEOUT, {});
+            } else {
+                mCallback1_1->tuneComplete_1_1(Result::TIMEOUT, {});
+            }
+        };
+        mThread.schedule(task, gDefaultDelay.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 (direction == Direction::UP) {
+        if (found < list.end() - 1) {
+            if (utils::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, direction]() {
+        ALOGI("Performing scan %s", toString(direction).c_str());
+
+        lock_guard<mutex> lk(mMut);
+        tuneInternalLocked(tuneTo);
+    };
+    mThread.schedule(task, gDefaultDelay.scan);
+
+    return Result::OK;
+}
+
+Return<Result> Tuner::step(Direction direction, bool skipSubChannel) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    ALOGW_IF(!skipSubChannel, "can't step to next frequency without ignoring subChannel");
+
+    if (!utils::isAmFm(utils::getType(mCurrentProgram))) {
+        ALOGE("Can't step in anything else than AM/FM");
+        return Result::NOT_INITIALIZED;
+    }
+
+    if (!mIsAmfmConfigSet) {
+        ALOGW("AM/FM config not set");
+        return Result::INVALID_STATE;
+    }
+    mIsTuneCompleted = false;
+
+    auto task = [this, direction]() {
+        ALOGI("Performing step %s", toString(direction).c_str());
+
+        lock_guard<mutex> lk(mMut);
+
+        auto current = utils::getId(mCurrentProgram, IdentifierType::AMFM_FREQUENCY, 0);
+
+        if (direction == Direction::UP) {
+            current += mAmfmConfig.spacings[0];
+        } else {
+            current -= mAmfmConfig.spacings[0];
+        }
+
+        if (current > mAmfmConfig.upperLimit) current = mAmfmConfig.lowerLimit;
+        if (current < mAmfmConfig.lowerLimit) current = mAmfmConfig.upperLimit;
+
+        tuneInternalLocked(utils::make_selector(mAmfmConfig.type, current));
+    };
+    mThread.schedule(task, gDefaultDelay.step);
+
+    return Result::OK;
+}
+
+Return<Result> Tuner::tune(uint32_t channel, uint32_t subChannel) {
+    ALOGV("%s(%d, %d)", __func__, channel, subChannel);
+    Band band;
+    {
+        lock_guard<mutex> lk(mMut);
+        band = mAmfmConfig.type;
+    }
+    return tuneByProgramSelector(utils::make_selector(band, channel, subChannel));
+}
+
+Return<Result> Tuner::tuneByProgramSelector(const ProgramSelector& sel) {
+    ALOGV("%s(%s)", __func__, toString(sel).c_str());
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    // checking if ProgramSelector is valid
+    auto programType = utils::getType(sel);
+    if (utils::isAmFm(programType)) {
+        if (!mIsAmfmConfigSet) {
+            ALOGW("AM/FM config not set");
+            return Result::INVALID_STATE;
+        }
+
+        auto freq = utils::getId(sel, IdentifierType::AMFM_FREQUENCY);
+        if (freq < mAmfmConfig.lowerLimit || freq > mAmfmConfig.upperLimit) {
+            return Result::INVALID_ARGUMENTS;
+        }
+    } else if (programType == ProgramType::DAB) {
+        if (!utils::hasId(sel, IdentifierType::DAB_SIDECC)) return Result::INVALID_ARGUMENTS;
+    } else if (programType == ProgramType::DRMO) {
+        if (!utils::hasId(sel, IdentifierType::DRMO_SERVICE_ID)) return Result::INVALID_ARGUMENTS;
+    } else if (programType == ProgramType::SXM) {
+        if (!utils::hasId(sel, IdentifierType::SXM_SERVICE_ID)) return Result::INVALID_ARGUMENTS;
+    } else {
+        return Result::INVALID_ARGUMENTS;
+    }
+
+    mIsTuneCompleted = false;
+    auto task = [this, sel]() {
+        lock_guard<mutex> lk(mMut);
+        tuneInternalLocked(sel);
+    };
+    mThread.schedule(task, gDefaultDelay.tune);
+
+    return Result::OK;
+}
+
+Return<Result> Tuner::cancel() {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    mThread.cancelAll();
+    return Result::OK;
+}
+
+Return<Result> Tuner::cancelAnnouncement() {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    return Result::OK;
+}
+
+Return<void> Tuner::getProgramInformation(getProgramInformation_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    return getProgramInformation_1_1(
+        [&](Result result, const ProgramInfo& info) { _hidl_cb(result, info.base); });
+}
+
+Return<void> Tuner::getProgramInformation_1_1(getProgramInformation_1_1_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+
+    if (mIsClosed) {
+        _hidl_cb(Result::NOT_INITIALIZED, {});
+    } else if (mIsTuneCompleted) {
+        _hidl_cb(Result::OK, mCurrentProgramInfo);
+    } else {
+        _hidl_cb(Result::NOT_INITIALIZED, makeDummyProgramInfo(mCurrentProgram));
+    }
+    return {};
+}
+
+Return<ProgramListResult> Tuner::startBackgroundScan() {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return ProgramListResult::NOT_INITIALIZED;
+
+    return ProgramListResult::UNAVAILABLE;
+}
+
+Return<void> Tuner::getProgramList(const hidl_vec<VendorKeyValue>& vendorFilter,
+                                   getProgramList_cb _hidl_cb) {
+    ALOGV("%s(%s)", __func__, toString(vendorFilter).substr(0, 100).c_str());
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) {
+        _hidl_cb(ProgramListResult::NOT_INITIALIZED, {});
+        return {};
+    }
+
+    auto list = mVirtualRadio.get().getProgramList();
+    ALOGD("returning a list of %zu programs", list.size());
+    _hidl_cb(ProgramListResult::OK, getProgramInfoVector(list, getHalRev()));
+    return {};
+}
+
+Return<Result> Tuner::setAnalogForced(bool isForced) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+    if (mIsClosed) return Result::NOT_INITIALIZED;
+
+    mIsAnalogForced = isForced;
+    return Result::OK;
+}
+
+Return<void> Tuner::isAnalogForced(isAnalogForced_cb _hidl_cb) {
+    ALOGV("%s", __func__);
+    lock_guard<mutex> lk(mMut);
+
+    if (mIsClosed) {
+        _hidl_cb(Result::NOT_INITIALIZED, false);
+    } else {
+        _hidl_cb(Result::OK, mIsAnalogForced);
+    }
+    return {};
+}
+
+}  // namespace implementation
+}  // namespace V1_2
+}  // namespace broadcastradio
+}  // namespace hardware
+}  // namespace android