Implement audio devices and streams HAL delegating to legacy HAL

Changes made to the .hal definition:

  - introduce Effect ID returned by the IEffectsFactory that
    needs to be passed to IStream.{add|remove}Effect; otherwise
    it's impossible to retrieve the underlying HAL effect handle;

  - change "bus address" in DeviceAddress to "string" type;

  - fix signature of some methods w.r.t. returning Result;

  - remove unused "struct AudioPatch".

Bug: 30222631
Test: make
Change-Id: Icb51729ef57bb2a5b0b78609735e7481bc04f95c
diff --git a/audio/2.0/default/PrimaryDevice.h b/audio/2.0/default/PrimaryDevice.h
new file mode 100644
index 0000000..4c5b590
--- /dev/null
+++ b/audio/2.0/default/PrimaryDevice.h
@@ -0,0 +1,117 @@
+/*
+ * 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 HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_
+#define HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_
+
+#include <android/hardware/audio/2.0/IPrimaryDevice.h>
+#include <hidl/Status.h>
+
+#include <hidl/MQDescriptor.h>
+
+#include "Device.h"
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace V2_0 {
+namespace implementation {
+
+using ::android::hardware::audio::common::V2_0::AudioConfig;
+using ::android::hardware::audio::common::V2_0::AudioInputFlag;
+using ::android::hardware::audio::common::V2_0::AudioMode;
+using ::android::hardware::audio::common::V2_0::AudioOutputFlag;
+using ::android::hardware::audio::common::V2_0::AudioPort;
+using ::android::hardware::audio::common::V2_0::AudioPortConfig;
+using ::android::hardware::audio::common::V2_0::AudioSource;
+using ::android::hardware::audio::V2_0::DeviceAddress;
+using ::android::hardware::audio::V2_0::IDevice;
+using ::android::hardware::audio::V2_0::IPrimaryDevice;
+using ::android::hardware::audio::V2_0::IStreamIn;
+using ::android::hardware::audio::V2_0::IStreamOut;
+using ::android::hardware::audio::V2_0::ParameterValue;
+using ::android::hardware::audio::V2_0::Result;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct PrimaryDevice : public IPrimaryDevice {
+    explicit PrimaryDevice(audio_hw_device_t* device);
+
+    // Methods from ::android::hardware::audio::V2_0::IDevice follow.
+    Return<Result> initCheck()  override;
+    Return<Result> setMasterVolume(float volume)  override;
+    Return<void> getMasterVolume(getMasterVolume_cb _hidl_cb)  override;
+    Return<Result> setMicMute(bool mute)  override;
+    Return<void> getMicMute(getMicMute_cb _hidl_cb)  override;
+    Return<Result> setMasterMute(bool mute)  override;
+    Return<void> getMasterMute(getMasterMute_cb _hidl_cb)  override;
+    Return<void> getInputBufferSize(
+            const AudioConfig& config, getInputBufferSize_cb _hidl_cb)  override;
+    Return<void> openOutputStream(
+            int32_t ioHandle,
+            const DeviceAddress& device,
+            const AudioConfig& config,
+            AudioOutputFlag flags,
+            openOutputStream_cb _hidl_cb)  override;
+    Return<void> openInputStream(
+            int32_t ioHandle,
+            const DeviceAddress& device,
+            const AudioConfig& config,
+            AudioInputFlag flags,
+            AudioSource source,
+            openInputStream_cb _hidl_cb)  override;
+    Return<void> createAudioPatch(
+            const hidl_vec<AudioPortConfig>& sources,
+            const hidl_vec<AudioPortConfig>& sinks,
+            createAudioPatch_cb _hidl_cb)  override;
+    Return<Result> releaseAudioPatch(int32_t patch)  override;
+    Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb)  override;
+    Return<Result> setAudioPortConfig(const AudioPortConfig& config)  override;
+    Return<AudioHwSync> getHwAvSync()  override;
+    Return<Result> setScreenState(bool turnedOn)  override;
+    Return<void> getParameters(
+            const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb)  override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters)  override;
+    Return<void> debugDump(const native_handle_t* fd)  override;
+
+    // Methods from ::android::hardware::audio::V2_0::IPrimaryDevice follow.
+    Return<Result> setVoiceVolume(float volume)  override;
+    Return<Result> setMode(AudioMode mode)  override;
+    Return<void> getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb)  override;
+    Return<Result> setBtScoNrecEnabled(bool enabled)  override;
+    Return<void> getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb)  override;
+    Return<Result> setBtScoWidebandEnabled(bool enabled)  override;
+    Return<void> getTtyMode(getTtyMode_cb _hidl_cb)  override;
+    Return<Result> setTtyMode(IPrimaryDevice::TtyMode mode)  override;
+    Return<void> getHacEnabled(getHacEnabled_cb _hidl_cb)  override;
+    Return<Result> setHacEnabled(bool enabled)  override;
+
+  private:
+    sp<Device> mDevice;
+
+    virtual ~PrimaryDevice();
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_