diff --git a/automotive/Android.bp b/automotive/Android.bp
index 1f39e88..9b24ded 100644
--- a/automotive/Android.bp
+++ b/automotive/Android.bp
@@ -1,5 +1,7 @@
 // This is an autogenerated file, do not edit.
 subdirs = [
+    "evs/1.0",
+    "evs/1.0/default",
     "vehicle/2.0",
     "vehicle/2.1",
 ]
diff --git a/automotive/evs/1.0/Android.bp b/automotive/evs/1.0/Android.bp
new file mode 100644
index 0000000..042becd
--- /dev/null
+++ b/automotive/evs/1.0/Android.bp
@@ -0,0 +1,83 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+filegroup {
+    name: "android.hardware.automotive.evs@1.0_hal",
+    srcs: [
+        "types.hal",
+        "IEvsCamera.hal",
+        "IEvsCameraStream.hal",
+        "IEvsDisplay.hal",
+        "IEvsEnumerator.hal",
+    ],
+}
+
+genrule {
+    name: "android.hardware.automotive.evs@1.0_genc++",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.automotive.evs@1.0",
+    srcs: [
+        ":android.hardware.automotive.evs@1.0_hal",
+    ],
+    out: [
+        "android/hardware/automotive/evs/1.0/types.cpp",
+        "android/hardware/automotive/evs/1.0/EvsCameraAll.cpp",
+        "android/hardware/automotive/evs/1.0/EvsCameraStreamAll.cpp",
+        "android/hardware/automotive/evs/1.0/EvsDisplayAll.cpp",
+        "android/hardware/automotive/evs/1.0/EvsEnumeratorAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hardware.automotive.evs@1.0_genc++_headers",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.automotive.evs@1.0",
+    srcs: [
+        ":android.hardware.automotive.evs@1.0_hal",
+    ],
+    out: [
+        "android/hardware/automotive/evs/1.0/types.h",
+        "android/hardware/automotive/evs/1.0/IEvsCamera.h",
+        "android/hardware/automotive/evs/1.0/IHwEvsCamera.h",
+        "android/hardware/automotive/evs/1.0/BnHwEvsCamera.h",
+        "android/hardware/automotive/evs/1.0/BpHwEvsCamera.h",
+        "android/hardware/automotive/evs/1.0/BsEvsCamera.h",
+        "android/hardware/automotive/evs/1.0/IEvsCameraStream.h",
+        "android/hardware/automotive/evs/1.0/IHwEvsCameraStream.h",
+        "android/hardware/automotive/evs/1.0/BnHwEvsCameraStream.h",
+        "android/hardware/automotive/evs/1.0/BpHwEvsCameraStream.h",
+        "android/hardware/automotive/evs/1.0/BsEvsCameraStream.h",
+        "android/hardware/automotive/evs/1.0/IEvsDisplay.h",
+        "android/hardware/automotive/evs/1.0/IHwEvsDisplay.h",
+        "android/hardware/automotive/evs/1.0/BnHwEvsDisplay.h",
+        "android/hardware/automotive/evs/1.0/BpHwEvsDisplay.h",
+        "android/hardware/automotive/evs/1.0/BsEvsDisplay.h",
+        "android/hardware/automotive/evs/1.0/IEvsEnumerator.h",
+        "android/hardware/automotive/evs/1.0/IHwEvsEnumerator.h",
+        "android/hardware/automotive/evs/1.0/BnHwEvsEnumerator.h",
+        "android/hardware/automotive/evs/1.0/BpHwEvsEnumerator.h",
+        "android/hardware/automotive/evs/1.0/BsEvsEnumerator.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.automotive.evs@1.0",
+    generated_sources: ["android.hardware.automotive.evs@1.0_genc++"],
+    generated_headers: ["android.hardware.automotive.evs@1.0_genc++_headers"],
+    export_generated_headers: ["android.hardware.automotive.evs@1.0_genc++_headers"],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "android.hidl.base@1.0",
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "libutils",
+        "android.hidl.base@1.0",
+    ],
+}
diff --git a/automotive/evs/1.0/IEvsCamera.hal b/automotive/evs/1.0/IEvsCamera.hal
new file mode 100644
index 0000000..1b55d1f
--- /dev/null
+++ b/automotive/evs/1.0/IEvsCamera.hal
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hardware.automotive.evs@1.0;
+
+import types;
+import IEvsCameraStream;
+
+
+/**
+ * Represents a single camera and is the primary interface for capturing images.
+ */
+interface IEvsCamera {
+
+    /**
+     * Returns the ID of this camera.
+     *
+     * Returns the string id of this camera. This must be the same value as reported in
+     * the camera_id field of the CameraDesc structure by EvsEnumerator::getCamerList().
+     */
+    getId() generates (string cameraId);
+
+    /**
+     * Specifies the depth of the buffer chain the camera is asked to support.
+     *
+     * Up to this many frames may be held concurrently by the client of IEvsCamera.
+     * If this many frames have been delivered to the receiver without being returned
+     * by doneWithFrame, the stream must skip frames until a buffer is returned for reuse.
+     * It is legal for this call to come at any time, even while streams are already running,
+     * in which case buffers should be added or removed from the chain as appropriate.
+     * If no call is made to this entry point, the IEvsCamera must support at least one
+     * frame by default. More is acceptable.
+     * BUFFER_NOT_AVAILABLE is returned if the implementation cannot support the
+     * requested number of concurrent frames.
+     */
+    setMaxFramesInFlight(uint32_t bufferCount) generates (EvsResult result);
+
+    /**
+     * Request delivery of EVS camera frames from this camera.
+     *
+     * The IEvsCameraStream must begin receiving periodic calls with new image
+     * frames until stopVideoStream() is called.
+     */
+    startVideoStream(IEvsCameraStream receiver) generates (EvsResult result);
+
+    /**
+     * Return a frame that was delivered by to the IEvsCameraStream.
+     *
+     * When done consuming a frame delivered to the IEvsCameraStream
+     * interface, it must be returned to the IEvsCamera for reuse.
+     * A small, finite number of buffers are available (possibly as small
+     * as one), and if the supply is exhausted, no further frames may be
+     * delivered until a buffer is returned.
+     */
+    oneway doneWithFrame(BufferDesc buffer);
+
+    /**
+     * Stop the delivery of EVS camera frames.
+     *
+     * Because delivery is asynchronous, frames may continue to arrive for
+     * some time after this call returns. Each must be returned until the
+     * closure of the stream is signaled to the IEvsCameraStream.
+     * This function cannot fail and is simply ignored if the stream isn't running.
+     */
+    stopVideoStream();
+
+    /**
+     * Request driver specific information from the HAL implementation.
+     *
+     * The values allowed for opaqueIdentifier are driver specific,
+     * but no value passed in may crash the driver. The driver should
+     * return 0 for any unrecognized opaqueIdentifier.
+     */
+    getExtendedInfo(uint32_t opaqueIdentifier) generates (int32_t value);
+
+    /**
+     * Send a driver specific value to the HAL implementation.
+     *
+     * This extension is provided to facilitate car specific
+     * extensions, but no HAL implementation may require this call
+     * in order to function in a default state.
+     * INVALID_ARG is returned if the opaqueValue is not meaningful to
+     * the driver implementation.
+     */
+    setExtendedInfo(uint32_t opaqueIdentifier, int32_t opaqueValue) generates (EvsResult result);
+};
diff --git a/automotive/evs/1.0/IEvsCameraStream.hal b/automotive/evs/1.0/IEvsCameraStream.hal
new file mode 100644
index 0000000..4e743b2
--- /dev/null
+++ b/automotive/evs/1.0/IEvsCameraStream.hal
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hardware.automotive.evs@1.0;
+
+
+/**
+ * Implemented on client side to receive asynchronous video frame deliveries.
+ */
+interface IEvsCameraStream {
+
+    /**
+     * Receives calls from the HAL each time a video frame is ready for inspection.
+     * Buffer handles received by this method must be returned via calls to
+     * IEvsCamera::doneWithFrame(). When the video stream is stopped via a call
+     * to IEvsCamera::stopVideoStream(), this callback may continue to happen for
+     * some time as the pipeline drains. Each frame must still be returned.
+     * When the last frame in the stream has been delivered, a NULL bufferHandle
+     * must be delivered, signifying the end of the stream. No further frame
+     * deliveries may happen thereafter.
+     */
+    oneway deliverFrame(BufferDesc buffer);
+};
diff --git a/automotive/evs/1.0/IEvsDisplay.hal b/automotive/evs/1.0/IEvsDisplay.hal
new file mode 100644
index 0000000..bbad428
--- /dev/null
+++ b/automotive/evs/1.0/IEvsDisplay.hal
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hardware.automotive.evs@1.0;
+
+import types;
+
+
+/**
+ * Represents a single camera and is the primary interface for capturing images.
+ */
+interface IEvsDisplay {
+
+    /**
+     * Returns basic information about the EVS display provided by the system.
+     *
+     * See the description of the DisplayDesc structure below for details.
+     */
+     getDisplayInfo() generates (DisplayDesc info);
+
+
+    /**
+     * Clients may set the display state to express their desired state.
+     *
+     * The HAL implementation must gracefully accept a request for any state while in
+     * any other state, although the response may be to defer or ignore the request. The display
+     * is defined to start in the NOT_VISIBLE state upon initialization. The client is
+     * then expected to request the VISIBLE_ON_NEXT_FRAME state, and then begin providing
+     * video. When the display is no longer required, the client is expected to request
+     * the NOT_VISIBLE state after passing the last video frame.
+     * Returns INVALID_ARG if the requested state is not a recognized value.
+     */
+     setDisplayState(DisplayState state) generates (EvsResult result);
+
+
+    /**
+     * This call requests the current state of the display
+     *
+     * The HAL implementation should report the actual current state, which might
+     * transiently differ from the most recently requested state. Note, however, that
+     * the logic responsible for changing display states should generally live above
+     * the device layer, making it undesirable for the HAL implementation to spontaneously
+     * change display states.
+     */
+     getDisplayState() generates (DisplayState state);
+
+
+    /**
+     * This call returns a handle to a frame buffer associated with the display.
+     *
+     * The returned buffer may be locked and written to by software and/or GL. This buffer
+     * must be returned via a call to returnTargetBufferForDisplay() even if the
+     * display is no longer visible.
+     */
+     getTargetBuffer() generates (BufferDesc buffer);
+
+
+    /**
+     * This call tells the display that the buffer is ready for display.
+     *
+     * The buffer is no longer valid for use by the client after this call.
+     * There is no maximum time the caller may hold onto the buffer before making this
+     * call. The buffer may be returned at any time and in any DisplayState, but all
+     * buffers are expected to be returned before the IEvsDisplay interface is destroyed.
+     */
+    returnTargetBufferForDisplay(BufferDesc buffer) generates (EvsResult result);
+};
diff --git a/automotive/evs/1.0/IEvsEnumerator.hal b/automotive/evs/1.0/IEvsEnumerator.hal
new file mode 100644
index 0000000..334430b
--- /dev/null
+++ b/automotive/evs/1.0/IEvsEnumerator.hal
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hardware.automotive.evs@1.0;
+
+import types;
+import IEvsCamera;
+import IEvsDisplay;
+
+
+/**
+ * Provides the mechanism for EVS camera discovery
+ */
+interface IEvsEnumerator {
+
+    /**
+     * Returns a list of all EVS cameras available to the system
+     */
+    getCameraList() generates (vec<CameraDesc> cameras);
+
+
+    /**
+     * Get the IEvsCamera associated with a cameraId from a CameraDesc
+     *
+     * Given a camera's unique cameraId from ca CameraDesc, returns
+     * the ICamera interface assocaited with the specified camera.
+     * When done using the camera, it must be returned by calling
+     * closeCamera on the ICamera interface.
+     */
+    openCamera(string cameraId) generates (IEvsCamera carCamera);
+
+    /**
+     * Return the specified IEvsCamera interface as no longer in use
+     *
+     * When the IEvsCamera object is no longer required, it must be released.
+     * NOTE: Video streaming must be cleanly stopped before making this call.
+     */
+    closeCamera(IEvsCamera carCamera);
+
+
+    /**
+     * Get exclusive access to IEvsDisplay for the system
+     *
+     * There can be at most one EVS display object for the system and this function
+     * requests access to it. If the EVS display is not available or is already in use,
+     * a null pointer is returned.
+     */
+    openDisplay() generates (IEvsDisplay display);
+
+    /**
+     * Return the specified IEvsDisplay interface as no longer in use
+     *
+     * When the IEvsDisplay object is no longer required, it must be released.
+     * NOTE: All buffer must have been returned to the display before making this call.
+     */
+    closeDisplay(IEvsDisplay display);
+
+    /**
+     * This call requests the current state of the display
+     *
+     * If there is no open display, this returns DisplayState::NOT_OPEN. otherwise, it returns
+     * the actual state of the active display.  This call is replicated on the IEvsEnumerator
+     * interface in order to allow secondary clients to monitor the state of the EVS display
+     * without acquiring exclusive ownership of the display.
+     */
+    getDisplayState() generates (DisplayState state);
+};
+
diff --git a/automotive/evs/1.0/default/Android.bp b/automotive/evs/1.0/default/Android.bp
new file mode 100644
index 0000000..51c3a94
--- /dev/null
+++ b/automotive/evs/1.0/default/Android.bp
@@ -0,0 +1,25 @@
+cc_binary {
+    name: "android.hardware.automotive.evs@1.0-service",
+    proprietary: true,
+    relative_install_path: "hw",
+    srcs: [
+        "service.cpp",
+        "EvsCamera.cpp",
+        "EvsEnumerator.cpp",
+        "EvsDisplay.cpp"
+    ],
+    init_rc: ["android.hardware.automotive.evs@1.0-service.rc"],
+
+    shared_libs: [
+        "android.hardware.automotive.evs@1.0",
+        "libui",
+        "libbase",
+        "libbinder",
+        "libcutils",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+    ],
+}
diff --git a/automotive/evs/1.0/default/EvsCamera.cpp b/automotive/evs/1.0/default/EvsCamera.cpp
new file mode 100644
index 0000000..6bcf22a
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsCamera.cpp
@@ -0,0 +1,493 @@
+/*
+ * Copyright (C) 2016 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.automotive.evs@1.0-service"
+
+#include "EvsCamera.h"
+
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/GraphicBufferMapper.h>
+
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+
+// These are the special camera names for which we'll initialize custom test data
+const char EvsCamera::kCameraName_Backup[]    = "backup";
+const char EvsCamera::kCameraName_RightTurn[] = "Right Turn";
+
+// Arbitrary limit on number of graphics buffers allowed to be allocated
+// Safeguards against unreasonable resource consumption and provides a testable limit
+const unsigned MAX_BUFFERS_IN_FLIGHT = 100;
+
+
+// TODO(b/31632518):  Need to get notification when our client dies so we can close the camera.
+// As it stands, if the client dies suddenly, the buffer may be stranded.
+
+EvsCamera::EvsCamera(const char *id) :
+        mFramesAllowed(0),
+        mFramesInUse(0),
+        mStreamState(STOPPED) {
+
+    ALOGD("EvsCamera instantiated");
+
+    mDescription.cameraId = id;
+
+    // Set up dummy data for testing
+    if (mDescription.cameraId == kCameraName_Backup) {
+        mDescription.hints                  = static_cast<uint32_t>(UsageHint::USAGE_HINT_REVERSE);
+        mDescription.vendorFlags            = 0xFFFFFFFF;   // Arbitrary value
+        mDescription.defaultHorResolution   = 320;          // 1/2 NTSC/VGA
+        mDescription.defaultVerResolution   = 240;          // 1/2 NTSC/VGA
+    } else if (mDescription.cameraId == kCameraName_RightTurn) {
+        // Nothing but the name and the usage hint
+        mDescription.hints                  = static_cast<uint32_t>(UsageHint::USAGE_HINT_RIGHT_TURN);
+    } else {
+        // Leave empty for a minimalist camera description without even a hint
+    }
+
+
+    // Set our buffer properties
+    mWidth  = (mDescription.defaultHorResolution) ? mDescription.defaultHorResolution : 640;
+    mHeight = (mDescription.defaultVerResolution) ? mDescription.defaultVerResolution : 480;
+
+    mFormat = HAL_PIXEL_FORMAT_RGBA_8888;
+    mUsage  = GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_CAMERA_WRITE |
+              GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_RARELY;
+}
+
+
+EvsCamera::~EvsCamera() {
+    ALOGD("EvsCamera being destroyed");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // Make sure our output stream is cleaned up
+    // (It really should be already)
+    stopVideoStream();
+
+    // Drop all the graphics buffers we've been using
+    GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
+    for (auto&& rec : mBuffers) {
+        if (rec.inUse) {
+            ALOGE("Error - releasing buffer despite remote ownership");
+        }
+        alloc.free(rec.handle);
+        rec.handle = nullptr;
+    }
+
+    ALOGD("EvsCamera destroyed");
+}
+
+
+// Methods from ::android::hardware::automotive::evs::V1_0::IEvsCamera follow.
+Return<void> EvsCamera::getId(getId_cb id_cb) {
+    ALOGD("getId");
+
+    id_cb(mDescription.cameraId);
+
+    return Void();
+}
+
+
+Return<EvsResult> EvsCamera::setMaxFramesInFlight(uint32_t bufferCount) {
+    ALOGD("setMaxFramesInFlight");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // We cannot function without at least one video buffer to send data
+    if (bufferCount < 1) {
+        ALOGE("Ignoring setMaxFramesInFlight with less than one buffer requested");
+        return EvsResult::INVALID_ARG;
+    }
+
+    // Update our internal state
+    if (setAvailableFrames_Locked(bufferCount)) {
+        return EvsResult::OK;
+    } else {
+        return EvsResult::BUFFER_NOT_AVAILABLE;
+    }
+}
+
+
+Return<EvsResult> EvsCamera::startVideoStream(const ::android::sp<IEvsCameraStream>& stream)  {
+    ALOGD("startVideoStream");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    if (mStreamState != STOPPED) {
+        ALOGE("ignoring startVideoStream call when a stream is already running.");
+        return EvsResult::STREAM_ALREADY_RUNNING;
+    }
+
+    // If the client never indicated otherwise, configure ourselves for a single streaming buffer
+    if (mFramesAllowed < 1) {
+        if (!setAvailableFrames_Locked(1)) {
+            ALOGE("Failed to start stream because we couldn't get a graphics buffer");
+            return EvsResult::BUFFER_NOT_AVAILABLE;
+        }
+    }
+
+    // Record the user's callback for use when we have a frame ready
+    mStream = stream;
+
+    // Start the frame generation thread
+    mStreamState = RUNNING;
+    mCaptureThread = std::thread([this](){ generateFrames(); });
+
+    return EvsResult::OK;
+}
+
+
+Return<void> EvsCamera::doneWithFrame(const BufferDesc& buffer)  {
+    ALOGD("doneWithFrame");
+    {  // lock context
+        std::lock_guard <std::mutex> lock(mAccessLock);
+
+        if (buffer.memHandle == nullptr) {
+            ALOGE("ignoring doneWithFrame called with null handle");
+        } else if (buffer.bufferId >= mBuffers.size()) {
+            ALOGE("ignoring doneWithFrame called with invalid bufferId %d (max is %lu)",
+                  buffer.bufferId, mBuffers.size()-1);
+        } else if (!mBuffers[buffer.bufferId].inUse) {
+            ALOGE("ignoring doneWithFrame called on frame %d which is already free",
+                  buffer.bufferId);
+        } else {
+            // Mark the frame as available
+            mBuffers[buffer.bufferId].inUse = false;
+            mFramesInUse--;
+
+            // If this frame's index is high in the array, try to move it down
+            // to improve locality after mFramesAllowed has been reduced.
+            if (buffer.bufferId >= mFramesAllowed) {
+                // Find an empty slot lower in the array (which should always exist in this case)
+                for (auto&& rec : mBuffers) {
+                    if (rec.handle == nullptr) {
+                        rec.handle = mBuffers[buffer.bufferId].handle;
+                        mBuffers[buffer.bufferId].handle = nullptr;
+                        break;
+                    }
+                }
+            }
+        }
+    }
+
+    return Void();
+}
+
+
+Return<void> EvsCamera::stopVideoStream()  {
+    ALOGD("stopVideoStream");
+    std::unique_lock <std::mutex> lock(mAccessLock);
+
+    if (mStreamState == RUNNING) {
+        // Tell the GenerateFrames loop we want it to stop
+        mStreamState = STOPPING;
+
+        // Block outside the mutex until the "stop" flag has been acknowledged
+        // We won't send any more frames, but the client might still get some already in flight
+        ALOGD("Waiting for stream thread to end...");
+        lock.unlock();
+        mCaptureThread.join();
+        lock.lock();
+
+        mStreamState = STOPPED;
+        ALOGD("Stream marked STOPPED.");
+    }
+
+    return Void();
+}
+
+
+Return<int32_t> EvsCamera::getExtendedInfo(uint32_t opaqueIdentifier)  {
+    ALOGD("getExtendedInfo");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // For any single digit value, return the index itself as a test value
+    if (opaqueIdentifier <= 9) {
+        return opaqueIdentifier;
+    }
+
+    // Return zero by default as required by the spec
+    return 0;
+}
+
+
+Return<EvsResult> EvsCamera::setExtendedInfo(uint32_t /*opaqueIdentifier*/, int32_t /*opaqueValue*/)  {
+    ALOGD("setExtendedInfo");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // We don't store any device specific information in this implementation
+    return EvsResult::INVALID_ARG;
+}
+
+
+bool EvsCamera::setAvailableFrames_Locked(unsigned bufferCount) {
+    if (bufferCount < 1) {
+        ALOGE("Ignoring request to set buffer count to zero");
+        return false;
+    }
+    if (bufferCount > MAX_BUFFERS_IN_FLIGHT) {
+        ALOGE("Rejecting buffer request in excess of internal limit");
+        return false;
+    }
+
+    // Is an increase required?
+    if (mFramesAllowed < bufferCount) {
+        // An increase is required
+        unsigned needed = bufferCount - mFramesAllowed;
+        ALOGI("Allocating %d buffers for camera frames", needed);
+
+        unsigned added = increaseAvailableFrames_Locked(needed);
+        if (added != needed) {
+            // If we didn't add all the frames we needed, then roll back to the previous state
+            ALOGE("Rolling back to previous frame queue size");
+            decreaseAvailableFrames_Locked(added);
+            return false;
+        }
+    } else if (mFramesAllowed > bufferCount) {
+        // A decrease is required
+        unsigned framesToRelease = mFramesAllowed - bufferCount;
+        ALOGI("Returning %d camera frame buffers", framesToRelease);
+
+        unsigned released = decreaseAvailableFrames_Locked(framesToRelease);
+        if (released != framesToRelease) {
+            // This shouldn't happen with a properly behaving client because the client
+            // should only make this call after returning sufficient outstanding buffers
+            // to allow a clean resize.
+            ALOGE("Buffer queue shrink failed -- too many buffers currently in use?");
+        }
+    }
+
+    return true;
+}
+
+
+unsigned EvsCamera::increaseAvailableFrames_Locked(unsigned numToAdd) {
+    // Acquire the graphics buffer allocator
+    GraphicBufferAllocator &alloc(GraphicBufferAllocator::get());
+
+    unsigned added = 0;
+
+    while (added < numToAdd) {
+        buffer_handle_t memHandle = nullptr;
+        status_t result = alloc.allocate(mWidth, mHeight,
+                                         mFormat, 1,
+                                         mUsage, mUsage,
+                                         &memHandle, &mStride, 0, "EvsCamera");
+        if (result != NO_ERROR) {
+            ALOGE("Error %d allocating %d x %d graphics buffer", result, mWidth, mHeight);
+            break;
+        }
+        if (!memHandle) {
+            ALOGE("We didn't get a buffer handle back from the allocator");
+            break;
+        }
+
+        // Find a place to store the new buffer
+        bool stored = false;
+        for (auto&& rec : mBuffers) {
+            if (rec.handle == nullptr) {
+                // Use this existing entry
+                rec.handle = memHandle;
+                rec.inUse = false;
+                stored = true;
+                break;
+            }
+        }
+        if (!stored) {
+            // Add a BufferRecord wrapping this handle to our set of available buffers
+            mBuffers.emplace_back(memHandle);
+        }
+
+        mFramesAllowed++;
+        added++;
+    }
+
+    return added;
+}
+
+
+unsigned EvsCamera::decreaseAvailableFrames_Locked(unsigned numToRemove) {
+    // Acquire the graphics buffer allocator
+    GraphicBufferAllocator &alloc(GraphicBufferAllocator::get());
+
+    unsigned removed = 0;
+
+    for (auto&& rec : mBuffers) {
+        // Is this record not in use, but holding a buffer that we can free?
+        if ((rec.inUse == false) && (rec.handle != nullptr)) {
+            // Release buffer and update the record so we can recognize it as "empty"
+            alloc.free(rec.handle);
+            rec.handle = nullptr;
+
+            mFramesAllowed--;
+            removed++;
+
+            if (removed == numToRemove) {
+                break;
+            }
+        }
+    }
+
+    return removed;
+}
+
+
+// This is the asynchronous frame generation thread that runs in parallel with the
+// main serving thread.  There is one for each active camera instance.
+void EvsCamera::generateFrames() {
+    ALOGD("Frame generation loop started");
+
+    unsigned idx;
+
+    while (true) {
+        bool timeForFrame = false;
+        // Lock scope
+        {
+            std::lock_guard<std::mutex> lock(mAccessLock);
+
+            if (mStreamState != RUNNING) {
+                // Break out of our main thread loop
+                break;
+            }
+
+            // Are we allowed to issue another buffer?
+            if (mFramesInUse >= mFramesAllowed) {
+                // Can't do anything right now -- skip this frame
+                ALOGW("Skipped a frame because too many are in flight\n");
+            } else {
+                // Identify an available buffer to fill
+                for (idx = 0; idx < mBuffers.size(); idx++) {
+                    if (!mBuffers[idx].inUse) {
+                        if (mBuffers[idx].handle != nullptr) {
+                            // Found an available record, so stop looking
+                            break;
+                        }
+                    }
+                }
+                if (idx >= mBuffers.size()) {
+                    // This shouldn't happen since we already checked mFramesInUse vs mFramesAllowed
+                    ALOGE("Failed to find an available buffer slot\n");
+                } else {
+                    // We're going to make the frame busy
+                    mBuffers[idx].inUse = true;
+                    mFramesInUse++;
+                    timeForFrame = true;
+                }
+            }
+        }
+
+        if (timeForFrame) {
+            // Assemble the buffer description we'll transmit below
+            BufferDesc buff = {};
+            buff.width      = mWidth;
+            buff.height     = mHeight;
+            buff.stride     = mStride;
+            buff.format     = mFormat;
+            buff.usage      = mUsage;
+            buff.bufferId   = idx;
+            buff.memHandle  = mBuffers[idx].handle;
+
+            // Write test data into the image buffer
+            fillTestFrame(buff);
+
+            // Issue the (asynchronous) callback to the client -- can't be holding the lock
+            auto result = mStream->deliverFrame(buff);
+            if (result.isOk()) {
+                ALOGD("Delivered %p as id %d", buff.memHandle.getNativeHandle(), buff.bufferId);
+            } else {
+                // This can happen if the client dies and is likely unrecoverable.
+                // To avoid consuming resources generating failing calls, we stop sending
+                // frames.  Note, however, that the stream remains in the "STREAMING" state
+                // until cleaned up on the main thread.
+                ALOGE("Frame delivery call failed in the transport layer.");
+
+                // Since we didn't actually deliver it, mark the frame as available
+                std::lock_guard<std::mutex> lock(mAccessLock);
+                mBuffers[idx].inUse = false;
+                mFramesInUse--;
+
+                break;
+            }
+        }
+
+        // We arbitrarily choose to generate frames at 10 fps (1/10 * uSecPerSec)
+        usleep(100000);
+    }
+
+    // If we've been asked to stop, send one last NULL frame to signal the actual end of stream
+    BufferDesc nullBuff = {};
+    auto result = mStream->deliverFrame(nullBuff);
+    if (!result.isOk()) {
+        ALOGE("Error delivering end of stream marker");
+    }
+
+    return;
+}
+
+
+void EvsCamera::fillTestFrame(const BufferDesc& buff) {
+    // Lock our output buffer for writing
+    uint32_t *pixels = nullptr;
+    GraphicBufferMapper &mapper = GraphicBufferMapper::get();
+    mapper.lock(buff.memHandle,
+                GRALLOC_USAGE_SW_WRITE_OFTEN | GRALLOC_USAGE_SW_READ_NEVER,
+                android::Rect(buff.width, buff.height),
+                (void **) &pixels);
+
+    // If we failed to lock the pixel buffer, we're about to crash, but log it first
+    if (!pixels) {
+        ALOGE("Camera failed to gain access to image buffer for writing");
+    }
+
+    // Fill in the test pixels
+    for (unsigned row = 0; row < buff.height; row++) {
+        for (unsigned col = 0; col < buff.width; col++) {
+            // Index into the row to check the pixel at this column.
+            // We expect 0xFF in the LSB channel, a vertical gradient in the
+            // second channel, a horitzontal gradient in the third channel, and
+            // 0xFF in the MSB.
+            // The exception is the very first 32 bits which is used for the
+            // time varying frame signature to avoid getting fooled by a static image.
+            uint32_t expectedPixel = 0xFF0000FF           | // MSB and LSB
+                                     ((row & 0xFF) <<  8) | // vertical gradient
+                                     ((col & 0xFF) << 16);  // horizontal gradient
+            if ((row | col) == 0) {
+                static uint32_t sFrameTicker = 0;
+                expectedPixel = (sFrameTicker) & 0xFF;
+                sFrameTicker++;
+            }
+            pixels[col] = expectedPixel;
+        }
+        // Point to the next row
+        // NOTE:  stride retrieved from gralloc is in units of pixels
+        pixels = pixels + buff.stride;
+    }
+
+    // Release our output buffer
+    mapper.unlock(buff.memHandle);
+}
+
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
diff --git a/automotive/evs/1.0/default/EvsCamera.h b/automotive/evs/1.0/default/EvsCamera.h
new file mode 100644
index 0000000..ee91ca4
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsCamera.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016 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_AUTOMOTIVE_EVS_V1_0_EVSCAMERA_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERA_H
+
+#include <android/hardware/automotive/evs/1.0/types.h>
+#include <android/hardware/automotive/evs/1.0/IEvsCamera.h>
+#include <ui/GraphicBuffer.h>
+
+#include <thread>
+
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+
+class EvsCamera : public IEvsCamera {
+public:
+    // Methods from ::android::hardware::automotive::evs::V1_0::IEvsCamera follow.
+    Return<void> getId(getId_cb id_cb) override;
+
+    Return <EvsResult> setMaxFramesInFlight(uint32_t bufferCount) override;
+
+    Return <EvsResult> startVideoStream(const ::android::sp<IEvsCameraStream>& stream) override;
+
+    Return<void> doneWithFrame(const BufferDesc& buffer) override;
+
+    Return<void> stopVideoStream() override;
+
+    Return <int32_t> getExtendedInfo(uint32_t opaqueIdentifier) override;
+
+    Return <EvsResult> setExtendedInfo(uint32_t opaqueIdentifier, int32_t opaqueValue) override;
+
+    // Implementation details
+    EvsCamera(const char* id);
+
+    virtual ~EvsCamera() override;
+
+    const CameraDesc& getDesc() { return mDescription; };
+
+    static const char kCameraName_Backup[];
+    static const char kCameraName_RightTurn[];
+
+private:
+    // These three functions are expected to be called while mAccessLock is held
+    bool setAvailableFrames_Locked(unsigned bufferCount);
+
+    unsigned increaseAvailableFrames_Locked(unsigned numToAdd);
+
+    unsigned decreaseAvailableFrames_Locked(unsigned numToRemove);
+
+    void generateFrames();
+
+    void fillTestFrame(const BufferDesc& buff);
+
+    CameraDesc mDescription = {};  // The properties of this camera
+
+    std::thread mCaptureThread;     // The thread we'll use to synthesize frames
+
+    uint32_t mWidth = 0;        // Horizontal pixel count in the buffers
+    uint32_t mHeight = 0;        // Vertical pixel count in the buffers
+    uint32_t mFormat = 0;        // Values from android_pixel_format_t [TODO: YUV?  Leave opaque?]
+    uint32_t mUsage = 0;        // Values from from Gralloc.h
+    uint32_t mStride = 0;        // Bytes per line in the buffers
+
+    sp <IEvsCameraStream> mStream = nullptr;  // The callback used to deliver each frame
+
+    struct BufferRecord {
+        buffer_handle_t handle;
+        bool inUse;
+
+        explicit BufferRecord(buffer_handle_t h) : handle(h), inUse(false) {};
+    };
+
+    std::vector <BufferRecord> mBuffers;           // Graphics buffers to transfer images
+    unsigned mFramesAllowed;     // How many buffers are we currently using
+    unsigned mFramesInUse;       // How many buffers are currently outstanding
+
+    enum StreamStateValues {
+        STOPPED,
+        RUNNING,
+        STOPPING,
+    };
+    StreamStateValues mStreamState;
+
+    // Syncrhonization necessary to deconflict mCaptureThread from the main service thread
+    std::mutex mAccessLock;
+};
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERA_H
diff --git a/automotive/evs/1.0/default/EvsDisplay.cpp b/automotive/evs/1.0/default/EvsDisplay.cpp
new file mode 100644
index 0000000..a1a76d0
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsDisplay.cpp
@@ -0,0 +1,308 @@
+/*
+ * Copyright (C) 2016 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.automotive.evs@1.0-service"
+
+#include "EvsDisplay.h"
+
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/GraphicBufferMapper.h>
+
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+
+// TODO(b/31632518):  Need to get notification when our client dies so we can close the camera.
+// As it stands, if the client dies suddently, the buffer may be stranded.
+// As possible work around would be to give the client a HIDL object to exclusively hold
+// and use it's destructor to perform some work in the server side.
+
+
+EvsDisplay::EvsDisplay() {
+    ALOGD("EvsDisplay instantiated");
+
+    // Set up our self description
+    // NOTE:  These are arbitrary values chosen for testing
+    mInfo.displayId             = "Mock Display";
+    mInfo.vendorFlags           = 3870;
+    mInfo.defaultHorResolution  = 320;
+    mInfo.defaultVerResolution  = 240;
+}
+
+
+EvsDisplay::~EvsDisplay() {
+    ALOGD("EvsDisplay being destroyed");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // Report if we're going away while a buffer is outstanding
+    if (mFrameBusy) {
+        ALOGE("EvsDisplay going down while client is holding a buffer");
+    }
+
+    // Make sure we release our frame buffer
+    if (mBuffer.memHandle) {
+        // Drop the graphics buffer we've been using
+        GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
+        alloc.free(mBuffer.memHandle);
+        mBuffer.memHandle = nullptr;
+    }
+    ALOGD("EvsDisplay destroyed");
+}
+
+
+/**
+ * Returns basic information about the EVS display provided by the system.
+ * See the description of the DisplayDesc structure below for details.
+ */
+Return<void> EvsDisplay::getDisplayInfo(getDisplayInfo_cb _hidl_cb)  {
+    ALOGD("getDisplayInfo");
+
+    // Send back our self description
+    _hidl_cb(mInfo);
+    return Void();
+}
+
+
+/**
+ * Clients may set the display state to express their desired state.
+ * The HAL implementation must gracefully accept a request for any state
+ * while in any other state, although the response may be to ignore the request.
+ * The display is defined to start in the NOT_VISIBLE state upon initialization.
+ * The client is then expected to request the VISIBLE_ON_NEXT_FRAME state, and
+ * then begin providing video.  When the display is no longer required, the client
+ * is expected to request the NOT_VISIBLE state after passing the last video frame.
+ */
+Return<EvsResult> EvsDisplay::setDisplayState(DisplayState state) {
+    ALOGD("setDisplayState");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // Ensure we recognize the requested state so we don't go off the rails
+    if (state < DisplayState::NUM_STATES) {
+        // Record the requested state
+        mRequestedState = state;
+        return EvsResult::OK;
+    }
+    else {
+        // Turn off the display if asked for an unrecognized state
+        mRequestedState = DisplayState::NOT_VISIBLE;
+        return EvsResult::INVALID_ARG;
+    }
+}
+
+
+/**
+ * The HAL implementation should report the actual current state, which might
+ * transiently differ from the most recently requested state.  Note, however, that
+ * the logic responsible for changing display states should generally live above
+ * the device layer, making it undesirable for the HAL implementation to
+ * spontaneously change display states.
+ */
+Return<DisplayState> EvsDisplay::getDisplayState()  {
+    ALOGD("getDisplayState");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // At the moment, we treat the requested state as immediately active
+    DisplayState currentState = mRequestedState;
+
+    return currentState;
+}
+
+
+/**
+ * This call returns a handle to a frame buffer associated with the display.
+ * This buffer may be locked and written to by software and/or GL.  This buffer
+ * must be returned via a call to returnTargetBufferForDisplay() even if the
+ * display is no longer visible.
+ */
+// TODO: We need to know if/when our client dies so we can get the buffer back! (blocked b/31632518)
+Return<void> EvsDisplay::getTargetBuffer(getTargetBuffer_cb _hidl_cb)  {
+    ALOGD("getTargetBuffer");
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // If we don't already have a buffer, allocate one now
+    if (!mBuffer.memHandle) {
+        // Assemble the buffer description we'll use for our render target
+        mBuffer.width       = mInfo.defaultHorResolution;
+        mBuffer.height      = mInfo.defaultVerResolution;
+        mBuffer.format      = HAL_PIXEL_FORMAT_RGBA_8888;
+        mBuffer.usage       = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
+        mBuffer.bufferId    = 0x3870;  // Arbitrary magic number for self recognition
+
+        buffer_handle_t handle = nullptr;
+        GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
+        status_t result = alloc.allocate(mBuffer.width, mBuffer.height,
+                                         mBuffer.format, 1, mBuffer.usage,
+                                         mBuffer.usage, &handle,
+                                         &mBuffer.stride,
+                                         0, "EvsDisplay");
+        if (result != NO_ERROR) {
+            ALOGE("Error %d allocating %d x %d graphics buffer",
+                  result, mBuffer.width, mBuffer.height);
+            BufferDesc nullBuff = {};
+            _hidl_cb(nullBuff);
+            return Void();
+        }
+        if (!handle) {
+            ALOGE("We didn't get a buffer handle back from the allocator");
+            BufferDesc nullBuff = {};
+            _hidl_cb(nullBuff);
+            return Void();
+        }
+
+        mBuffer.memHandle = handle;
+        mFrameBusy = false;
+        ALOGD("Allocated new buffer %p with stride %u",
+              mBuffer.memHandle.getNativeHandle(), mBuffer.stride);
+    }
+
+    // Do we have a frame available?
+    if (mFrameBusy) {
+        // This means either we have a 2nd client trying to compete for buffers
+        // (an unsupported mode of operation) or else the client hasn't returned
+        // a previously issued buffer yet (they're behaving badly).
+        // NOTE:  We have to make the callback even if we have nothing to provide
+        ALOGE("getTargetBuffer called while no buffers available.");
+        BufferDesc nullBuff = {};
+        _hidl_cb(nullBuff);
+        return Void();
+    } else {
+        // Mark our buffer as busy
+        mFrameBusy = true;
+
+        // Send the buffer to the client
+        ALOGD("Providing display buffer handle %p as id %d",
+              mBuffer.memHandle.getNativeHandle(), mBuffer.bufferId);
+        _hidl_cb(mBuffer);
+        return Void();
+    }
+}
+
+
+/**
+ * This call tells the display that the buffer is ready for display.
+ * The buffer is no longer valid for use by the client after this call.
+ */
+Return<EvsResult> EvsDisplay::returnTargetBufferForDisplay(const BufferDesc& buffer)  {
+    ALOGD("returnTargetBufferForDisplay %p", buffer.memHandle.getNativeHandle());
+    std::lock_guard<std::mutex> lock(mAccessLock);
+
+    // Nobody should call us with a null handle
+    if (!buffer.memHandle.getNativeHandle()) {
+        ALOGE ("returnTargetBufferForDisplay called without a valid buffer handle.\n");
+        return EvsResult::INVALID_ARG;
+    }
+    if (buffer.bufferId != mBuffer.bufferId) {
+        ALOGE ("Got an unrecognized frame returned.\n");
+        return EvsResult::INVALID_ARG;
+    }
+    if (!mFrameBusy) {
+        ALOGE ("A frame was returned with no outstanding frames.\n");
+        return EvsResult::BUFFER_NOT_AVAILABLE;
+    }
+
+    mFrameBusy = false;
+
+    // If we were waiting for a new frame, this is it!
+    if (mRequestedState == DisplayState::VISIBLE_ON_NEXT_FRAME) {
+        mRequestedState = DisplayState::VISIBLE;
+    }
+
+    // Validate we're in an expected state
+    if (mRequestedState != DisplayState::VISIBLE) {
+        // We shouldn't get frames back when we're not visible.
+        ALOGE ("Got an unexpected frame returned while not visible - ignoring.\n");
+    } else {
+        // This is where the buffer would be made visible.
+        // For now we simply validate it has the data we expect in it by reading it back
+
+        // Lock our display buffer for reading
+        uint32_t* pixels = nullptr;
+        GraphicBufferMapper &mapper = GraphicBufferMapper::get();
+        mapper.lock(mBuffer.memHandle,
+                    GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_NEVER,
+                    android::Rect(mBuffer.width, mBuffer.height),
+                    (void **)&pixels);
+
+        // If we failed to lock the pixel buffer, we're about to crash, but log it first
+        if (!pixels) {
+            ALOGE("Display failed to gain access to image buffer for reading");
+        }
+
+        // Check the test pixels
+        bool frameLooksGood = true;
+        for (unsigned row = 0; row < mInfo.defaultVerResolution; row++) {
+            for (unsigned col = 0; col < mInfo.defaultHorResolution; col++) {
+                // Index into the row to check the pixel at this column.
+                // We expect 0xFF in the LSB channel, a vertical gradient in the
+                // second channel, a horitzontal gradient in the third channel, and
+                // 0xFF in the MSB.
+                // The exception is the very first 32 bits which is used for the
+                // time varying frame signature to avoid getting fooled by a static image.
+                uint32_t expectedPixel = 0xFF0000FF           | // MSB and LSB
+                                         ((row & 0xFF) <<  8) | // vertical gradient
+                                         ((col & 0xFF) << 16);  // horizontal gradient
+                if ((row | col) == 0) {
+                    // we'll check the "uniqueness" of the frame signature below
+                    continue;
+                }
+                // Walk across this row (we'll step rows below)
+                uint32_t receivedPixel = pixels[col];
+                if (receivedPixel != expectedPixel) {
+                    ALOGE("Pixel check mismatch in frame buffer");
+                    frameLooksGood = false;
+                    break;
+                }
+            }
+
+            if (!frameLooksGood) {
+                break;
+            }
+
+            // Point to the next row (NOTE:  gralloc reports stride in units of pixels)
+            pixels = pixels + mBuffer.stride;
+        }
+
+        // Ensure we don't see the same buffer twice without it being rewritten
+        static uint32_t prevSignature = ~0;
+        uint32_t signature = pixels[0] & 0xFF;
+        if (prevSignature == signature) {
+            frameLooksGood = false;
+            ALOGE("Duplicate, likely stale frame buffer detected");
+        }
+
+
+        // Release our output buffer
+        mapper.unlock(mBuffer.memHandle);
+
+        if (!frameLooksGood) {
+            return EvsResult::UNDERLYING_SERVICE_ERROR;
+        }
+    }
+
+    return EvsResult::OK;
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
diff --git a/automotive/evs/1.0/default/EvsDisplay.h b/automotive/evs/1.0/default/EvsDisplay.h
new file mode 100644
index 0000000..fcf4a06
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsDisplay.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2016 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_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
+
+#include <android/hardware/automotive/evs/1.0/IEvsDisplay.h>
+#include <ui/GraphicBuffer.h>
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+class EvsDisplay : public IEvsDisplay {
+public:
+    // Methods from ::android::hardware::automotive::evs::V1_0::IEvsDisplay follow.
+    Return<void> getDisplayInfo(getDisplayInfo_cb _hidl_cb)  override;
+    Return<EvsResult> setDisplayState(DisplayState state)  override;
+    Return<DisplayState> getDisplayState()  override;
+    Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb)  override;
+    Return<EvsResult> returnTargetBufferForDisplay(const BufferDesc& buffer)  override;
+
+    // Implementation details
+    EvsDisplay();
+    virtual ~EvsDisplay() override;
+
+private:
+    DisplayDesc     mInfo           = {};
+    BufferDesc      mBuffer         = {};       // A graphics buffer into which we'll store images
+
+    bool            mFrameBusy      = false;    // A flag telling us our buffer is in use
+    DisplayState    mRequestedState = DisplayState::NOT_VISIBLE;
+
+    std::mutex      mAccessLock;
+};
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSDISPLAY_H
diff --git a/automotive/evs/1.0/default/EvsEnumerator.cpp b/automotive/evs/1.0/default/EvsEnumerator.cpp
new file mode 100644
index 0000000..e54f699
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsEnumerator.cpp
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2016 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.automotive.evs@1.0-service"
+
+#include "EvsEnumerator.h"
+#include "EvsCamera.h"
+#include "EvsDisplay.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+
+// TODO(b/31632518):  Need to get notification when our client dies so we can close the camera.
+// As it stands, if the client dies suddenly, the camera will be stuck "open".
+// NOTE:  Display should already be safe by virtue of holding only a weak pointer.
+
+
+EvsEnumerator::EvsEnumerator() {
+    ALOGD("EvsEnumerator created");
+
+    // Add sample camera data to our list of cameras
+    // NOTE:  The id strings trigger special initialization inside the EvsCamera constructor
+    mCameraList.emplace_back( new EvsCamera(EvsCamera::kCameraName_Backup),    false );
+    mCameraList.emplace_back( new EvsCamera("LaneView"),                       false );
+    mCameraList.emplace_back( new EvsCamera(EvsCamera::kCameraName_RightTurn), false );
+}
+
+// Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
+Return<void> EvsEnumerator::getCameraList(getCameraList_cb _hidl_cb)  {
+    ALOGD("getCameraList");
+
+    const unsigned numCameras = mCameraList.size();
+
+    // Build up a packed array of CameraDesc for return
+    // NOTE:  Only has to live until the callback returns
+    std::vector<CameraDesc> descriptions;
+    descriptions.reserve(numCameras);
+    for (const auto& cam : mCameraList) {
+        descriptions.push_back( cam.pCamera->getDesc() );
+    }
+
+    // Encapsulate our camera descriptions in the HIDL vec type
+    hidl_vec<CameraDesc> hidlCameras(descriptions);
+
+    // Send back the results
+    ALOGD("reporting %zu cameras available", hidlCameras.size());
+    _hidl_cb(hidlCameras);
+
+    // HIDL convention says we return Void if we sent our result back via callback
+    return Void();
+}
+
+Return<sp<IEvsCamera>> EvsEnumerator::openCamera(const hidl_string& cameraId) {
+    ALOGD("openCamera");
+
+    // Find the named camera
+    CameraRecord *pRecord = nullptr;
+    for (auto &&cam : mCameraList) {
+        if (cam.pCamera->getDesc().cameraId == cameraId) {
+            // Found a match!
+            pRecord = &cam;
+            break;
+        }
+    }
+
+    if (!pRecord) {
+        ALOGE("Requested camera %s not found", cameraId.c_str());
+        return nullptr;
+    } else if (pRecord->inUse) {
+        ALOGE("Cannot open camera %s which is already in use", cameraId.c_str());
+        return nullptr;
+    } else {
+        pRecord->inUse = true;
+        return(pRecord->pCamera);
+    }
+}
+
+Return<void> EvsEnumerator::closeCamera(const ::android::sp<IEvsCamera>& camera) {
+    ALOGD("closeCamera");
+
+    if (camera == nullptr) {
+        ALOGE("Ignoring call to closeCamera with null camera pointer");
+    } else {
+        // Find this camera in our list
+        auto it = std::find_if(mCameraList.begin(),
+                               mCameraList.end(),
+                               [camera](const CameraRecord& rec) {
+                                   return (rec.pCamera == camera);
+                               });
+        if (it == mCameraList.end()) {
+            ALOGE("Ignoring close on unrecognized camera");
+        } else {
+            // Make sure the camera has stopped streaming
+            camera->stopVideoStream();
+
+            it->inUse = false;
+        }
+    }
+
+    return Void();
+}
+
+Return<sp<IEvsDisplay>> EvsEnumerator::openDisplay() {
+    ALOGD("openDisplay");
+
+    // If we already have a display active, then this request must be denied
+    sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+    if (pActiveDisplay != nullptr) {
+        ALOGW("Rejecting openDisplay request the display is already in use.");
+        return nullptr;
+    } else {
+        // Create a new display interface and return it
+        pActiveDisplay = new EvsDisplay();
+        mActiveDisplay = pActiveDisplay;
+        ALOGD("Returning new EvsDisplay object %p", pActiveDisplay.get());
+        return pActiveDisplay;
+    }
+}
+
+Return<void> EvsEnumerator::closeDisplay(const ::android::sp<IEvsDisplay>& display) {
+    ALOGD("closeDisplay");
+
+    // Do we still have a display object we think should be active?
+    sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+
+    if (pActiveDisplay == nullptr) {
+        ALOGE("Ignoring closeDisplay when there is no active display.");
+    } else if (display != pActiveDisplay) {
+        ALOGE("Ignoring closeDisplay on a display we didn't issue");
+        ALOGI("Got %p while active display is %p.", display.get(), pActiveDisplay.get());
+    } else {
+        // Drop the active display
+        mActiveDisplay = nullptr;
+    }
+
+    return Void();
+}
+
+Return<DisplayState> EvsEnumerator::getDisplayState()  {
+    ALOGD("getDisplayState");
+
+    // Do we still have a display object we think should be active?
+    sp<IEvsDisplay> pActiveDisplay = mActiveDisplay.promote();
+    if (pActiveDisplay != nullptr) {
+        return pActiveDisplay->getDisplayState();
+    } else {
+        return DisplayState::NOT_OPEN;
+    }
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
diff --git a/automotive/evs/1.0/default/EvsEnumerator.h b/automotive/evs/1.0/default/EvsEnumerator.h
new file mode 100644
index 0000000..3d6e264
--- /dev/null
+++ b/automotive/evs/1.0/default/EvsEnumerator.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2016 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_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
+
+#include <android/hardware/automotive/evs/1.0/IEvsEnumerator.h>
+#include <android/hardware/automotive/evs/1.0/IEvsCamera.h>
+
+#include <list>
+
+#include "EvsCamera.h"
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+class EvsEnumerator : public IEvsEnumerator {
+public:
+    // Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
+    Return<void> getCameraList(getCameraList_cb _hidl_cb)  override;
+    Return<sp<IEvsCamera>> openCamera(const hidl_string& cameraId) override;
+    Return<void> closeCamera(const ::android::sp<IEvsCamera>& carCamera)  override;
+    Return<sp<IEvsDisplay>> openDisplay()  override;
+    Return<void> closeDisplay(const ::android::sp<IEvsDisplay>& display)  override;
+    Return<DisplayState> getDisplayState()  override;
+
+    // Implementation details
+    EvsEnumerator();
+
+private:
+    struct CameraRecord {
+        sp<EvsCamera>   pCamera;
+        bool            inUse;
+        CameraRecord(EvsCamera* p, bool b) : pCamera(p), inUse(b) {}
+    };
+    std::list<CameraRecord> mCameraList;
+
+    wp<IEvsDisplay>         mActiveDisplay; // Weak pointer -> object destructs if client dies
+};
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace evs
+} // namespace automotive
+} // namespace hardware
+} // namespace android
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_0_EVSCAMERAENUMERATOR_H
diff --git a/automotive/evs/1.0/default/ServiceNames.h b/automotive/evs/1.0/default/ServiceNames.h
new file mode 100644
index 0000000..d20a37f
--- /dev/null
+++ b/automotive/evs/1.0/default/ServiceNames.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+const static char kEnumeratorServiceName[] = "EvsEnumeratorHw-Mock";
diff --git a/automotive/evs/1.0/default/android.hardware.automotive.evs@1.0-service.rc b/automotive/evs/1.0/default/android.hardware.automotive.evs@1.0-service.rc
new file mode 100644
index 0000000..8957ecf
--- /dev/null
+++ b/automotive/evs/1.0/default/android.hardware.automotive.evs@1.0-service.rc
@@ -0,0 +1,4 @@
+service evs-hal-1-0 /vendor/bin/hw/android.hardware.automotive.evs@1.0-service
+    class hal
+    user cameraserver
+    group camera
diff --git a/automotive/evs/1.0/default/service.cpp b/automotive/evs/1.0/default/service.cpp
new file mode 100644
index 0000000..1b64e44
--- /dev/null
+++ b/automotive/evs/1.0/default/service.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2016 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.automotive.evs@1.0-service"
+
+#include <unistd.h>
+
+#include <hidl/HidlTransportSupport.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+#include <utils/Log.h>
+
+#include "ServiceNames.h"
+#include "EvsEnumerator.h"
+#include "EvsDisplay.h"
+
+
+// libhidl:
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+
+// Generated HIDL files
+using android::hardware::automotive::evs::V1_0::IEvsEnumerator;
+using android::hardware::automotive::evs::V1_0::IEvsDisplay;
+
+// The namespace in which all our implementation code lives
+using namespace android::hardware::automotive::evs::V1_0::implementation;
+using namespace android;
+
+
+int main() {
+    ALOGI("EVS Hardware Enumerator service is starting");
+    android::sp<IEvsEnumerator> service = new EvsEnumerator();
+
+    configureRpcThreadpool(1, true /* callerWillJoin */);
+
+    // Register our service -- if somebody is already registered by our name,
+    // they will be killed (their thread pool will throw an exception).
+    status_t status = service->registerAsService(kEnumeratorServiceName);
+    if (status == OK) {
+        ALOGD("%s is ready.", kEnumeratorServiceName);
+        joinRpcThreadpool();
+    } else {
+        ALOGE("Could not register service %s (%d).", kEnumeratorServiceName, status);
+    }
+
+    // In normal operation, we don't expect the thread pool to exit
+    ALOGE("EVS Hardware Enumerator is shutting down");
+    return 1;
+}
diff --git a/automotive/evs/1.0/types.hal b/automotive/evs/1.0/types.hal
new file mode 100644
index 0000000..661c2a9
--- /dev/null
+++ b/automotive/evs/1.0/types.hal
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package android.hardware.automotive.evs@1.0;
+
+
+/*
+ * Bit flags indicating suggested uses for a given EVS camera
+ *
+ * The values in the UsageHint bit field provide a generic expression of how a
+ * given camera is intended to be used. The values for these flags support
+ * existing use cases, and are used by the default EVS application to select
+ * appropriate cameras for display based on observed vehicle state (such as
+ * turn signal activation or selection of reverse gear). When implementing
+ * their own specialized EVS Applications, OEMs are free to use these flags
+ * and/or the opaque vendor_flags to drive their own vehicle specific logic.
+ */
+enum UsageHint : uint32_t {
+    USAGE_HINT_REVERSE      = 0x00000001,
+    USAGE_HINT_LEFT_TURN    = 0x00000002,
+    USAGE_HINT_RIGHT_TURN   = 0x00000004,
+};
+
+
+/*
+ * Structure describing the basic properties of an EVS camera
+ *
+ * The HAL is responsible for filling out this structure for each
+ * EVS camera in the system. Attention should be given to the field
+ * of view, direction of view, and location parameters as these may
+ * be used to (if available) to project overlay graphics into the
+ * scene by an EVS application.
+ * Any of these values for which the HAL does not have reasonable values
+ * should be set to ZERO.
+ */
+struct CameraDesc {
+    string              cameraId;
+    bitfield<UsageHint> hints;                  // Mask of usage hints
+    uint32_t            vendorFlags;            // Opaque value from driver
+    uint32_t            defaultHorResolution;   // Units of pixels
+    uint32_t            defaultVerResolution;   // Units of pixels
+};
+
+
+/*
+ * Structure describing the basic properties of an EVS display
+ *
+ * The HAL is responsible for filling out this structure to describe
+ * the EVS display. As an implementation detail, this may be a physical
+ * display or a virtual display that is overlaid or mixed with another
+ * presentation device.
+ */
+struct DisplayDesc {
+    string      displayId;
+    uint32_t    vendorFlags;                // Opaque value from driver
+    uint32_t    defaultHorResolution;       // Units of pixels
+    uint32_t    defaultVerResolution;       // Units of pixels
+};
+
+
+/*
+ * Structure representing an image buffer through our APIs
+ *
+ * In addition to the handle to the graphics memory, we need to retain
+ * the properties of the buffer for easy reference and reconstruction of
+ * an ANativeWindowBuffer object on the remote side of API calls.
+ * (Not least because OpenGL expect an ANativeWindowBuffer* for us as a
+ * texture via eglCreateImageKHR().
+ * See also related types from android.hardware.graphics.common
+ * TODO:  b/34722508  Review details of interaction of this structure with gralloc and OpenGL.
+ *        Specifically consider if format and/or usage should become enumerated types.
+ */
+struct BufferDesc {
+    uint32_t    width;      // Units of pixels
+    uint32_t    height;     // Units of pixels
+    uint32_t    stride;     // Units of bytes
+    uint32_t    format;     // May contain values from android_pixel_format_t
+    uint32_t    usage;      // May contain values from from Gralloc.h
+    uint32_t    bufferId;   // Opaque value from driver
+    handle      memHandle;  // gralloc memory buffer handle
+};
+
+
+/*
+ * States for control of the EVS display
+ *
+ * The DisplayInfo structure describes the basic properties of an EVS display. Any EVS
+ * implementation is required to have one. The HAL is responsible for filling out this
+ * structure to describe the EVS display. As an implementation detail, this may be a
+ * physical display or a virtual display that is overlaid or mixed with another
+ * presentation device.
+ */
+enum DisplayState : uint32_t {
+    NOT_OPEN = 0,           // Display has not been requested by any application
+    NOT_VISIBLE,            // Display is inhibited
+    VISIBLE_ON_NEXT_FRAME,  // Will become visible with next frame
+    VISIBLE,                // Display is currently active
+    NUM_STATES              // Must be last
+};
+
+
+/* Error codes used in EVS HAL interface. */
+enum EvsResult : uint32_t {
+    OK = 0,
+    INVALID_ARG,
+    STREAM_ALREADY_RUNNING,
+    BUFFER_NOT_AVAILABLE,
+    UNDERLYING_SERVICE_ERROR,
+};
\ No newline at end of file