hidl: livedisplay: Add binderized service implementation

* Change default ::implementation namespace to ::samsung
* Fill in required methods for used impls
* Cleanup passthrough code for used impls
* Remove unused impls
* Add and setup binderized service

Change-Id: I545a7c0ac8bf4fce04da73a0d39d4ac1938496f2
diff --git a/lineagehw/hidl/livedisplay/serviceExynos.cpp b/lineagehw/hidl/livedisplay/serviceExynos.cpp
new file mode 100644
index 0000000..e1f67b5
--- /dev/null
+++ b/lineagehw/hidl/livedisplay/serviceExynos.cpp
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2019 The LineageOS 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.
+ */
+
+#ifdef LIVES_IN_SYSTEM
+#define LOG_TAG "lineage.livedisplay@2.0-service.samsung-exynos"
+#else
+#define LOG_TAG "vendor.lineage.livedisplay@2.0-service.samsung-exynos"
+#endif
+
+#include <android-base/logging.h>
+#include <binder/ProcessState.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include "AdaptiveBacklight.h"
+#include "DisplayColorCalibrationExynos.h"
+#include "DisplayModes.h"
+#include "ReadingEnhancement.h"
+#include "SunlightEnhancementExynos.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::sp;
+using android::status_t;
+using android::OK;
+
+using vendor::lineage::livedisplay::V2_0::samsung::AdaptiveBacklight;
+using vendor::lineage::livedisplay::V2_0::samsung::DisplayColorCalibrationExynos;
+using vendor::lineage::livedisplay::V2_0::samsung::DisplayModes;
+using vendor::lineage::livedisplay::V2_0::samsung::ReadingEnhancement;
+using vendor::lineage::livedisplay::V2_0::samsung::SunlightEnhancementExynos;
+
+int main() {
+    sp<AdaptiveBacklight> adaptiveBacklight;
+    sp<DisplayColorCalibrationExynos> displayColorCalibrationExynos;
+    sp<DisplayModes> displayModes;
+    sp<ReadingEnhancement> readingEnhancement;
+    sp<SunlightEnhancementExynos> sunlightEnhancementExynos;
+    status_t status;
+
+    LOG(INFO) << "LiveDisplay HAL service is starting.";
+
+    adaptiveBacklight = new AdaptiveBacklight();
+    if (adaptiveBacklight == nullptr) {
+        LOG(ERROR) << "Can not create an instance of LiveDisplay HAL AdaptiveBacklight Iface, exiting.";
+        goto shutdown;
+    }
+
+    displayColorCalibrationExynos = new DisplayColorCalibrationExynos();
+    if (displayColorCalibrationExynos == nullptr) {
+        LOG(ERROR) << "Can not create an instance of LiveDisplay HAL DisplayColorCalibration Iface, exiting.";
+        goto shutdown;
+    }
+
+    displayModes = new DisplayModes();
+    if (displayModes == nullptr) {
+        LOG(ERROR) << "Can not create an instance of LiveDisplay HAL DisplayModes Iface, exiting.";
+        goto shutdown;
+    }
+
+    readingEnhancement = new ReadingEnhancement();
+    if (readingEnhancement == nullptr) {
+        LOG(ERROR) << "Can not create an instance of LiveDisplay HAL ReadingEnhancement Iface, exiting.";
+        goto shutdown;
+    }
+
+    sunlightEnhancementExynos = new SunlightEnhancementExynos();
+    if (sunlightEnhancementExynos == nullptr) {
+        LOG(ERROR) << "Can not create an instance of LiveDisplay HAL SunlightEnhancement Iface, exiting.";
+        goto shutdown;
+    }
+
+    configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+    if (adaptiveBacklight->isSupported()) {
+        status = adaptiveBacklight->registerAsService();
+        if (status != OK) {
+            LOG(ERROR)
+                << "Could not register service for LiveDisplay HAL AdaptiveBacklight Iface ("
+                << status << ")";
+            goto shutdown;
+        }
+    }
+
+    if (displayColorCalibrationExynos->isSupported()) {
+        status = displayColorCalibrationExynos->registerAsService();
+        if (status != OK) {
+            LOG(ERROR)
+                << "Could not register service for LiveDisplay HAL DisplayColorCalibration Iface ("
+                << status << ")";
+            goto shutdown;
+        }
+    }
+
+    if (displayModes->isSupported()) {
+        status = displayModes->registerAsService();
+        if (status != OK) {
+            LOG(ERROR)
+                << "Could not register service for LiveDisplay HAL DisplayModes Iface ("
+                << status << ")";
+            goto shutdown;
+        }
+    }
+
+    if (readingEnhancement->isSupported()) {
+        status = readingEnhancement->registerAsService();
+        if (status != OK) {
+            LOG(ERROR)
+                << "Could not register service for LiveDisplay HAL ReadingEnhancement Iface ("
+                << status << ")";
+            goto shutdown;
+        }
+    }
+
+    if (sunlightEnhancementExynos->isSupported()) {
+        status = sunlightEnhancementExynos->registerAsService();
+        if (status != OK) {
+            LOG(ERROR)
+                << "Could not register service for LiveDisplay HAL SunlightEnhancement Iface ("
+                << status << ")";
+            goto shutdown;
+        }
+    }
+
+    LOG(INFO) << "LiveDisplay HAL service is ready.";
+    joinRpcThreadpool();
+    // Should not pass this line
+
+shutdown:
+    // In normal operation, we don't expect the thread pool to shutdown
+    LOG(ERROR) << "LiveDisplay HAL service is shutting down.";
+    return 1;
+}