audio: Add IBluetooth core interface
This interface corresponds to BT-specific functions
of the IPrimaryDevice in the HIDL HAL.
Bug: 205884982
Test: atest VtsHalAudioCoreTargetTest
Change-Id: I5f52d65e06f42e1a5fb2e51d27b79e94fe423eaa
diff --git a/audio/aidl/default/Android.bp b/audio/aidl/default/Android.bp
index 8cd56c0..6f23636 100644
--- a/audio/aidl/default/Android.bp
+++ b/audio/aidl/default/Android.bp
@@ -62,6 +62,7 @@
export_include_dirs: ["include"],
srcs: [
"AudioPolicyConfigXmlConverter.cpp",
+ "Bluetooth.cpp",
"Config.cpp",
"Configuration.cpp",
"EngineConfigXmlConverter.cpp",
diff --git a/audio/aidl/default/Bluetooth.cpp b/audio/aidl/default/Bluetooth.cpp
new file mode 100644
index 0000000..38e0c21
--- /dev/null
+++ b/audio/aidl/default/Bluetooth.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2022 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 "AHAL_Bluetooth"
+#include <android-base/logging.h>
+
+#include "core-impl/Bluetooth.h"
+
+using aidl::android::media::audio::common::Boolean;
+using aidl::android::media::audio::common::Float;
+using aidl::android::media::audio::common::Int;
+
+namespace aidl::android::hardware::audio::core {
+
+Bluetooth::Bluetooth() {
+ mScoConfig.isEnabled = Boolean{false};
+ mScoConfig.isNrecEnabled = Boolean{false};
+ mScoConfig.mode = ScoConfig::Mode::SCO;
+ mHfpConfig.isEnabled = Boolean{false};
+ mHfpConfig.sampleRate = Int{8000};
+ mHfpConfig.volume = Float{HfpConfig::VOLUME_MAX};
+}
+
+ndk::ScopedAStatus Bluetooth::setScoConfig(const ScoConfig& in_config, ScoConfig* _aidl_return) {
+ if (in_config.isEnabled.has_value()) {
+ mScoConfig.isEnabled = in_config.isEnabled;
+ }
+ if (in_config.isNrecEnabled.has_value()) {
+ mScoConfig.isNrecEnabled = in_config.isNrecEnabled;
+ }
+ if (in_config.mode != ScoConfig::Mode::UNSPECIFIED) {
+ mScoConfig.mode = in_config.mode;
+ }
+ if (in_config.debugName.has_value()) {
+ mScoConfig.debugName = in_config.debugName;
+ }
+ *_aidl_return = mScoConfig;
+ LOG(DEBUG) << __func__ << ": received " << in_config.toString() << ", returning "
+ << _aidl_return->toString();
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Bluetooth::setHfpConfig(const HfpConfig& in_config, HfpConfig* _aidl_return) {
+ if (in_config.sampleRate.has_value() && in_config.sampleRate.value().value <= 0) {
+ LOG(ERROR) << __func__ << ": invalid sample rate: " << in_config.sampleRate.value().value;
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+ if (in_config.volume.has_value() && (in_config.volume.value().value < HfpConfig::VOLUME_MIN ||
+ in_config.volume.value().value > HfpConfig::VOLUME_MAX)) {
+ LOG(ERROR) << __func__ << ": invalid volume: " << in_config.volume.value().value;
+ return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+ }
+
+ if (in_config.isEnabled.has_value()) {
+ mHfpConfig.isEnabled = in_config.isEnabled;
+ }
+ if (in_config.sampleRate.has_value()) {
+ mHfpConfig.sampleRate = in_config.sampleRate;
+ }
+ if (in_config.volume.has_value()) {
+ mHfpConfig.volume = in_config.volume;
+ }
+ *_aidl_return = mHfpConfig;
+ LOG(DEBUG) << __func__ << ": received " << in_config.toString() << ", returning "
+ << _aidl_return->toString();
+ return ndk::ScopedAStatus::ok();
+}
+
+} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index b58c562..e8b5bfc 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -25,6 +25,7 @@
#include <aidl/android/media/audio/common/AudioInputFlags.h>
#include <aidl/android/media/audio/common/AudioOutputFlags.h>
+#include "core-impl/Bluetooth.h"
#include "core-impl/Module.h"
#include "core-impl/SoundDose.h"
#include "core-impl/Telephony.h"
@@ -326,6 +327,18 @@
return ndk::ScopedAStatus::ok();
}
+ndk::ScopedAStatus Module::getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) {
+ if (mBluetooth == nullptr) {
+ mBluetooth = ndk::SharedRefBase::make<Bluetooth>();
+ mBluetoothBinder = mBluetooth->asBinder();
+ AIBinder_setMinSchedulerPolicy(mBluetoothBinder.get(), SCHED_NORMAL,
+ ANDROID_PRIORITY_AUDIO);
+ }
+ *_aidl_return = mBluetooth;
+ LOG(DEBUG) << __func__ << ": returning instance of IBluetooth: " << _aidl_return->get();
+ return ndk::ScopedAStatus::ok();
+}
+
ndk::ScopedAStatus Module::connectExternalDevice(const AudioPort& in_templateIdAndAdditionalData,
AudioPort* _aidl_return) {
const int32_t templateId = in_templateIdAndAdditionalData.id;
diff --git a/audio/aidl/default/include/core-impl/Bluetooth.h b/audio/aidl/default/include/core-impl/Bluetooth.h
new file mode 100644
index 0000000..f2e762d
--- /dev/null
+++ b/audio/aidl/default/include/core-impl/Bluetooth.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/audio/core/BnBluetooth.h>
+
+namespace aidl::android::hardware::audio::core {
+
+class Bluetooth : public BnBluetooth {
+ public:
+ Bluetooth();
+
+ private:
+ ndk::ScopedAStatus setScoConfig(const ScoConfig& in_config, ScoConfig* _aidl_return) override;
+ ndk::ScopedAStatus setHfpConfig(const HfpConfig& in_config, HfpConfig* _aidl_return) override;
+
+ ScoConfig mScoConfig;
+ HfpConfig mHfpConfig;
+};
+
+} // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/Module.h b/audio/aidl/default/include/core-impl/Module.h
index faca61e..e9f43d8 100644
--- a/audio/aidl/default/include/core-impl/Module.h
+++ b/audio/aidl/default/include/core-impl/Module.h
@@ -39,6 +39,7 @@
ndk::ScopedAStatus setModuleDebug(
const ::aidl::android::hardware::audio::core::ModuleDebug& in_debug) override;
ndk::ScopedAStatus getTelephony(std::shared_ptr<ITelephony>* _aidl_return) override;
+ ndk::ScopedAStatus getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) override;
ndk::ScopedAStatus connectExternalDevice(
const ::aidl::android::media::audio::common::AudioPort& in_templateIdAndAdditionalData,
::aidl::android::media::audio::common::AudioPort* _aidl_return) override;
@@ -127,10 +128,12 @@
const Type mType;
std::unique_ptr<internal::Configuration> mConfig;
ModuleDebug mDebug;
- // Since it is required to return the same instance of the ITelephony, even
- // if the client has released it on its side, we need to hold it via a strong pointer.
+ // For the interfaces requiring to return the same instance, we need to hold them
+ // via a strong pointer. The binder token is retained for a call to 'setMinSchedulerPolicy'.
std::shared_ptr<ITelephony> mTelephony;
ndk::SpAIBinder mTelephonyBinder;
+ std::shared_ptr<IBluetooth> mBluetooth;
+ ndk::SpAIBinder mBluetoothBinder;
// ids of ports created at runtime via 'connectExternalDevice'.
std::set<int32_t> mConnectedDevicePorts;
Streams mStreams;