Initial Android Auto External View Systems drivers
Add support for EVS system camera and display drivers.
These build and run but still contain significant placeholder code and
TODO items.
Bug: 32095143
Test: run against evs_test (submitted in future change set)
Change-Id: I9187e888f03248e5cd43293253dc76a71184c02d
diff --git a/evs/1.0/default/EvsDisplay.h b/evs/1.0/default/EvsDisplay.h
new file mode 100644
index 0000000..a2d5d3e
--- /dev/null
+++ b/evs/1.0/default/EvsDisplay.h
@@ -0,0 +1,59 @@
+/*
+ * 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_EVS_V1_0_EVSDISPLAY_H
+#define ANDROID_HARDWARE_EVS_V1_0_EVSDISPLAY_H
+
+#include <android/hardware/evs/1.0/IEvsDisplay.h>
+#include <ui/GraphicBuffer.h>
+
+namespace android {
+namespace hardware {
+namespace evs {
+namespace V1_0 {
+namespace implementation {
+
+class EvsDisplay : public IEvsDisplay {
+public:
+ // Methods from ::android::hardware::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 hidl_handle& bufferHandle) override;
+
+ // Implementation details
+ EvsDisplay();
+ virtual ~EvsDisplay() override;
+
+private:
+ DisplayDesc mInfo = {};
+ buffer_handle_t mBuffer = nullptr; // A graphics buffer into which we'll store images
+ uint32_t mStride = 0; // Bytes per line in the buffer
+
+ 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 hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_EVS_V1_0_EVSDISPLAY_H