diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index 57a5252..84aef2e 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -274,6 +274,8 @@
         {VehicleProperty::HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::HANDS_ON_DETECTION_WARNING, VehiclePropertyAccess::READ},
         {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_STATE, VehiclePropertyAccess::READ},
+        {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index 5bc41b5..e259a4d 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -274,6 +274,8 @@
         {VehicleProperty::HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::HANDS_ON_DETECTION_WARNING, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_STATE, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
 };
 
 }  // namespace vehicle
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 97d9a24..1d18560 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -265,7 +265,9 @@
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, VehiclePropertyAccess.READ),
-        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyAccess.READ_WRITE)
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_STATE, VehiclePropertyAccess.READ),
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE)
     );
 
 }
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index cb0240b..6d0be78 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -265,7 +265,9 @@
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_DRIVER_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, VehiclePropertyChangeMode.ON_CHANGE),
-        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyChangeMode.ON_CHANGE)
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_STATE, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE)
     );
 
 }
diff --git a/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
index 144d0e1..2e8e6fd 100644
--- a/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/EnumForVehicleProperty.java
@@ -93,7 +93,8 @@
         Map.entry(VehicleProperty.CRUISE_CONTROL_STATE, List.of(CruiseControlState.class, ErrorState.class)),
         Map.entry(VehicleProperty.CRUISE_CONTROL_COMMAND, List.of(CruiseControlCommand.class)),
         Map.entry(VehicleProperty.HANDS_ON_DETECTION_DRIVER_STATE, List.of(HandsOnDetectionDriverState.class, ErrorState.class)),
-        Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, List.of(HandsOnDetectionWarning.class, ErrorState.class))
+        Map.entry(VehicleProperty.HANDS_ON_DETECTION_WARNING, List.of(HandsOnDetectionWarning.class, ErrorState.class)),
+        Map.entry(VehicleProperty.DRIVER_DROWSINESS_ATTENTION_STATE, List.of(DriverDrowsinessAttentionState.class, ErrorState.class))
     );
 
 }
diff --git a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
index 82dc8a6..1638f3c 100644
--- a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
+++ b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
@@ -41,6 +41,7 @@
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlCommand;
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlState;
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlType;
+using ::aidl::android::hardware::automotive::vehicle::DriverDrowsinessAttentionState;
 using ::aidl::android::hardware::automotive::vehicle::EmergencyLaneKeepAssistState;
 using ::aidl::android::hardware::automotive::vehicle::ErrorState;
 using ::aidl::android::hardware::automotive::vehicle::EvConnectorType;
@@ -252,6 +253,8 @@
             std::make_unique<ConstantParser<HandsOnDetectionDriverState>>();
     mConstantParsersByType["HandsOnDetectionWarning"] =
             std::make_unique<ConstantParser<HandsOnDetectionWarning>>();
+    mConstantParsersByType["DriverDrowsinessAttentionState"] =
+            std::make_unique<ConstantParser<DriverDrowsinessAttentionState>>();
     mConstantParsersByType["ErrorState"] = std::make_unique<ConstantParser<ErrorState>>();
     mConstantParsersByType["AutomaticEmergencyBrakingState"] =
             std::make_unique<ConstantParser<AutomaticEmergencyBrakingState>>();
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index bd40ca2..af3d34e 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -3554,6 +3554,39 @@
             }
         },
         {
+            "property": "VehicleProperty::DRIVER_DROWSINESS_ATTENTION_STATE",
+            "defaultValue": {
+                "int32Values": [
+                    "DriverDrowsinessAttentionState::KSS_RATING_3_ALERT"
+                ]
+            },
+            "areas": [
+                {
+                    "areaId": 0,
+                    "supportedEnumValues": [
+                        "ErrorState::NOT_AVAILABLE_DISABLED",
+                        "DriverDrowsinessAttentionState::KSS_RATING_1_EXTREMELY_ALERT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_2_VERY_ALERT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_3_ALERT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_4_RATHER_ALERT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_5_NEITHER_ALERT_NOR_SLEEPY",
+                        "DriverDrowsinessAttentionState::KSS_RATING_6_SOME_SLEEPINESS",
+                        "DriverDrowsinessAttentionState::KSS_RATING_7_SLEEPY_NO_EFFORT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_8_SLEEPY_SOME_EFFORT",
+                        "DriverDrowsinessAttentionState::KSS_RATING_9_VERY_SLEEPY"
+                    ]
+                }
+            ]
+        },
+        {
+            "property": "VehicleProperty::DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED",
+            "defaultValue": {
+                "int32Values": [
+                    1
+                ]
+            }
+        },
+        {
             "property": "VehicleProperty::INITIAL_USER_INFO"
         },
         {
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
index acee9b3..e2e8929 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
@@ -53,6 +53,7 @@
 
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlCommand;
 using ::aidl::android::hardware::automotive::vehicle::CruiseControlType;
+using ::aidl::android::hardware::automotive::vehicle::DriverDrowsinessAttentionState;
 using ::aidl::android::hardware::automotive::vehicle::ErrorState;
 using ::aidl::android::hardware::automotive::vehicle::GetValueRequest;
 using ::aidl::android::hardware::automotive::vehicle::GetValueResult;
@@ -192,6 +193,13 @@
                         toInt(VehicleProperty::HANDS_ON_DETECTION_WARNING),
                 },
         },
+        // Driver Drowsiness and Attention
+        {
+                toInt(VehicleProperty::DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED),
+                {
+                        toInt(VehicleProperty::DRIVER_DROWSINESS_ATTENTION_STATE),
+                },
+        },
 };
 }  // namespace
 
@@ -304,13 +312,13 @@
     }
 
     // OBD2_LIVE_FRAME and OBD2_FREEZE_FRAME must be configured in default configs.
-    auto maybeObd2LiveFrame = mServerSidePropStore->getConfig(OBD2_LIVE_FRAME);
+    auto maybeObd2LiveFrame = mServerSidePropStore->getPropConfig(OBD2_LIVE_FRAME);
     if (maybeObd2LiveFrame.has_value()) {
-        mFakeObd2Frame->initObd2LiveFrame(*maybeObd2LiveFrame.value());
+        mFakeObd2Frame->initObd2LiveFrame(maybeObd2LiveFrame.value());
     }
-    auto maybeObd2FreezeFrame = mServerSidePropStore->getConfig(OBD2_FREEZE_FRAME);
+    auto maybeObd2FreezeFrame = mServerSidePropStore->getPropConfig(OBD2_FREEZE_FRAME);
     if (maybeObd2FreezeFrame.has_value()) {
-        mFakeObd2Frame->initObd2FreezeFrame(*maybeObd2FreezeFrame.value());
+        mFakeObd2Frame->initObd2FreezeFrame(maybeObd2FreezeFrame.value());
     }
 
     mServerSidePropStore->setOnValueChangeCallback(
@@ -472,7 +480,7 @@
 VhalResult<void> FakeVehicleHardware::setHvacTemperatureValueSuggestion(
         const VehiclePropValue& hvacTemperatureValueSuggestion) {
     auto hvacTemperatureSetConfigResult =
-            mServerSidePropStore->getConfig(toInt(VehicleProperty::HVAC_TEMPERATURE_SET));
+            mServerSidePropStore->getPropConfig(toInt(VehicleProperty::HVAC_TEMPERATURE_SET));
 
     if (!hvacTemperatureSetConfigResult.ok()) {
         return StatusError(getErrorCode(hvacTemperatureSetConfigResult)) << StringPrintf(
@@ -499,7 +507,7 @@
     }
 
     auto updatedValue = mValuePool->obtain(hvacTemperatureValueSuggestion);
-    const auto& hvacTemperatureSetConfigArray = hvacTemperatureSetConfigResult.value()->configArray;
+    const auto& hvacTemperatureSetConfigArray = hvacTemperatureSetConfigResult.value().configArray;
     auto& hvacTemperatureValueSuggestionInput = updatedValue->value.floatValues;
 
     updateHvacTemperatureValueSuggestionInput(hvacTemperatureSetConfigArray,
@@ -822,14 +830,14 @@
 void FakeVehicleHardware::sendAdasPropertiesState(int32_t propertyId, int32_t state) {
     auto& adasDependentPropIds = mAdasEnabledPropToAdasPropWithErrorState.find(propertyId)->second;
     for (auto dependentPropId : adasDependentPropIds) {
-        auto dependentPropConfigResult = mServerSidePropStore->getConfig(dependentPropId);
+        auto dependentPropConfigResult = mServerSidePropStore->getPropConfig(dependentPropId);
         if (!dependentPropConfigResult.ok()) {
             ALOGW("Failed to get config for ADAS property 0x%x, error: %s", dependentPropId,
                   getErrorMsg(dependentPropConfigResult).c_str());
             continue;
         }
         auto& dependentPropConfig = dependentPropConfigResult.value();
-        for (auto& areaConfig : dependentPropConfig->areaConfigs) {
+        for (auto& areaConfig : dependentPropConfig.areaConfigs) {
             int32_t hardcoded_state = state;
             // TODO: restore old/initial values here instead of hardcoded value (b/295542701)
             if (state == 1 && dependentPropId == toInt(VehicleProperty::CRUISE_CONTROL_TYPE)) {
@@ -1702,12 +1710,12 @@
             continue;
         }
         int32_t prop = propResult.value();
-        auto result = mServerSidePropStore->getConfig(prop);
+        auto result = mServerSidePropStore->getPropConfig(prop);
         if (!result.ok()) {
             msg += StringPrintf("No property %d\n", prop);
             continue;
         }
-        msg += dumpOnePropertyByConfig(rowNumber++, *result.value());
+        msg += dumpOnePropertyByConfig(rowNumber++, result.value());
     }
     return msg;
 }
@@ -2014,7 +2022,7 @@
 StatusCode FakeVehicleHardware::subscribe(SubscribeOptions options) {
     int32_t propId = options.propId;
 
-    auto configResult = mServerSidePropStore->getConfig(propId);
+    auto configResult = mServerSidePropStore->getPropConfig(propId);
     if (!configResult.ok()) {
         ALOGE("subscribe: property: %" PRId32 " is not supported", propId);
         return StatusCode::INVALID_ARG;
@@ -2024,7 +2032,7 @@
     for (int areaId : options.areaIds) {
         if (StatusCode status = subscribePropIdAreaIdLocked(propId, areaId, options.sampleRate,
                                                             options.enableVariableUpdateRate,
-                                                            *configResult.value());
+                                                            configResult.value());
             status != StatusCode::OK) {
             return status;
         }
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
index e6d657d..d4180a3 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
@@ -24,6 +24,7 @@
 #include <aidl/android/hardware/automotive/vehicle/CruiseControlType.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticFloatSensorIndex.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticIntegerSensorIndex.h>
+#include <aidl/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.h>
 #include <aidl/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.h>
 #include <aidl/android/hardware/automotive/vehicle/ErrorState.h>
 #include <aidl/android/hardware/automotive/vehicle/EvConnectorType.h>
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehiclePropertyStore.h b/automotive/vehicle/aidl/impl/utils/common/include/VehiclePropertyStore.h
index ef36532..7b328f2 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehiclePropertyStore.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehiclePropertyStore.h
@@ -143,11 +143,17 @@
     std::vector<aidl::android::hardware::automotive::vehicle::VehiclePropConfig> getAllConfigs()
             const EXCLUDES(mLock);
 
-    // Get the property config for the requested property.
+    // Deprecated, use getPropConfig instead. This is unsafe to use if registerProperty overwrites
+    // an existing config.
     android::base::Result<const aidl::android::hardware::automotive::vehicle::VehiclePropConfig*,
                           VhalError>
     getConfig(int32_t propId) const EXCLUDES(mLock);
 
+    // Get the property config for the requested property.
+    android::base::Result<aidl::android::hardware::automotive::vehicle::VehiclePropConfig,
+                          VhalError>
+    getPropConfig(int32_t propId) const EXCLUDES(mLock);
+
     // Set a callback that would be called when a property value has been updated.
     void setOnValueChangeCallback(const OnValueChangeCallback& callback) EXCLUDES(mLock);
 
diff --git a/automotive/vehicle/aidl/impl/utils/common/src/VehiclePropertyStore.cpp b/automotive/vehicle/aidl/impl/utils/common/src/VehiclePropertyStore.cpp
index 7d9d8b7..4171cf7 100644
--- a/automotive/vehicle/aidl/impl/utils/common/src/VehiclePropertyStore.cpp
+++ b/automotive/vehicle/aidl/impl/utils/common/src/VehiclePropertyStore.cpp
@@ -318,6 +318,17 @@
     return &record->propConfig;
 }
 
+VhalResult<VehiclePropConfig> VehiclePropertyStore::getPropConfig(int32_t propId) const {
+    std::scoped_lock<std::mutex> g(mLock);
+
+    const VehiclePropertyStore::Record* record = getRecordLocked(propId);
+    if (record == nullptr) {
+        return StatusError(StatusCode::INVALID_ARG) << "property: " << propId << " not registered";
+    }
+
+    return record->propConfig;
+}
+
 void VehiclePropertyStore::setOnValueChangeCallback(
         const VehiclePropertyStore::OnValueChangeCallback& callback) {
     std::scoped_lock<std::mutex> g(mLock);
diff --git a/automotive/vehicle/aidl/impl/utils/common/test/VehiclePropertyStoreTest.cpp b/automotive/vehicle/aidl/impl/utils/common/test/VehiclePropertyStoreTest.cpp
index 625652e..328d244 100644
--- a/automotive/vehicle/aidl/impl/utils/common/test/VehiclePropertyStoreTest.cpp
+++ b/automotive/vehicle/aidl/impl/utils/common/test/VehiclePropertyStoreTest.cpp
@@ -101,16 +101,16 @@
     ASSERT_EQ(configs.size(), static_cast<size_t>(2));
 }
 
-TEST_F(VehiclePropertyStoreTest, testGetConfig) {
-    VhalResult<const VehiclePropConfig*> result =
-            mStore->getConfig(toInt(VehicleProperty::INFO_FUEL_CAPACITY));
+TEST_F(VehiclePropertyStoreTest, testGetPropConfig) {
+    VhalResult<VehiclePropConfig> result =
+            mStore->getPropConfig(toInt(VehicleProperty::INFO_FUEL_CAPACITY));
 
     ASSERT_RESULT_OK(result);
-    ASSERT_EQ(*(result.value()), mConfigFuelCapacity);
+    ASSERT_EQ(result.value(), mConfigFuelCapacity);
 }
 
-TEST_F(VehiclePropertyStoreTest, testGetConfigWithInvalidPropId) {
-    VhalResult<const VehiclePropConfig*> result = mStore->getConfig(INVALID_PROP_ID);
+TEST_F(VehiclePropertyStoreTest, testGetPropConfigWithInvalidPropId) {
+    VhalResult<VehiclePropConfig> result = mStore->getPropConfig(INVALID_PROP_ID);
 
     EXPECT_FALSE(result.ok()) << "expect error when getting a config for an invalid property ID";
     EXPECT_EQ(result.error().code(), StatusCode::INVALID_ARG);
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
new file mode 100644
index 0000000..22a90f3
--- /dev/null
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@Backing(type="int") @VintfStability
+enum DriverDrowsinessAttentionState {
+  OTHER = 0,
+  KSS_RATING_1_EXTREMELY_ALERT = 1,
+  KSS_RATING_2_VERY_ALERT = 2,
+  KSS_RATING_3_ALERT = 3,
+  KSS_RATING_4_RATHER_ALERT = 4,
+  KSS_RATING_5_NEITHER_ALERT_NOR_SLEEPY = 5,
+  KSS_RATING_6_SOME_SLEEPINESS = 6,
+  KSS_RATING_7_SLEEPY_NO_EFFORT = 7,
+  KSS_RATING_8_SLEEPY_SOME_EFFORT = 8,
+  KSS_RATING_9_VERY_SLEEPY = 9,
+}
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index db28615..4a82d81 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -272,4 +272,6 @@
   HANDS_ON_DETECTION_DRIVER_STATE = (((0x1017 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411095 */,
   HANDS_ON_DETECTION_WARNING = (((0x1018 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411096 */,
   DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED = (((0x1019 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313945 */,
+  DRIVER_DROWSINESS_ATTENTION_STATE = (((0x101A + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411098 */,
+  DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED = (((0x101B + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313947 */,
 }
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
new file mode 100644
index 0000000..d2aec1f
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2023 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.vehicle;
+
+/**
+ * Used to enumerate the current state of driver drowsiness and attention monitoring.
+ *
+ * This enum could be extended in future releases to include additional feature states.
+ */
+@VintfStability
+@Backing(type="int")
+enum DriverDrowsinessAttentionState {
+    /**
+     * This state is used as an alternative for any DriverDrowsinessAttentionState value that is not
+     * defined in the platform. Ideally, implementations of
+     * VehicleProperty#DRIVER_DROWSINESS_ATTENTION_STATE should not use this state. The framework
+     * can use this field to remain backwards compatible if DriverDrowsinessAttentionState is
+     * extended to include additional states.
+     */
+    OTHER = 0,
+    /**
+     * Karolinska Sleepiness Scale Rating 1 described as extermely alert.
+     */
+    KSS_RATING_1_EXTREMELY_ALERT = 1,
+    /**
+     * Karolinska Sleepiness Scale Rating 2 described as very alert.
+     */
+    KSS_RATING_2_VERY_ALERT = 2,
+    /**
+     * Karolinska Sleepiness Scale Rating 3 described as alert.
+     */
+    KSS_RATING_3_ALERT = 3,
+    /**
+     * Karolinska Sleepiness Scale Rating 4 described as rather alert.
+     */
+    KSS_RATING_4_RATHER_ALERT = 4,
+    /**
+     * Karolinska Sleepiness Scale Rating 5 described as neither alert nor sleepy.
+     */
+    KSS_RATING_5_NEITHER_ALERT_NOR_SLEEPY = 5,
+    /**
+     * Karolinska Sleepiness Scale Rating 6 described as some signs of sleepiness.
+     */
+    KSS_RATING_6_SOME_SLEEPINESS = 6,
+    /**
+     * Karolinska Sleepiness Scale Rating 7 described as sleepy with no effort to
+     * keep awake.
+     */
+    KSS_RATING_7_SLEEPY_NO_EFFORT = 7,
+    /**
+     * Karolinska Sleepiness Scale Rating 8 described as sleepy with some effort to
+     * keep awake.
+     */
+    KSS_RATING_8_SLEEPY_SOME_EFFORT = 8,
+    /**
+     * Karolinska Sleepiness Scale Rating 9 described as very sleepy, with great
+     * effort to keep away, and fighthing sleep.
+     */
+    KSS_RATING_9_VERY_SLEEPY = 9,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index b2e4d05..ce311fb 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -5109,6 +5109,56 @@
     DRIVER_DROWSINESS_ATTENTION_SYSTEM_ENABLED =
             0x1019 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
 
+    /**
+     * Driver drowsiness and attention level state.
+     *
+     * Returns the current detected state of driver drowiness and attention level based on the
+     * Karolinska Sleepiness scale. If alternative measurement methods are used, the value should be
+     * translated to the Karolinska Sleepiness Scale equivalent.
+     *
+     * Generally, this property should return a valid state defined in the
+     * DriverDrowsinessAttentionState or ErrorState. For example, if the feature is not available
+     * due to some temporary state, that information should be conveyed through ErrorState.
+     *
+     * If the vehicle is sending a warning to the user because the driver is too drowsy, the warning
+     * should be surfaced through {@link #DRIVER_DROWSINESS_ATTENTION_WARNING}.
+     *
+     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined
+     * unless all states of both DriverDrowsinessAttentionState (including OTHER, which is not
+     * recommended) and ErrorState are supported.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ
+     * @data_enum DriverDrowsinessAttentionState
+     * @data_enum ErrorState
+     */
+    DRIVER_DROWSINESS_ATTENTION_STATE =
+            0x101A + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
+
+    /**
+     * Enable or disable driver drowsiness and attention warnings.
+     *
+     * Set true to enable driver drowsiness and attention warnings and false to disable driver
+     * drowsiness and attention warnings.
+     *
+     * When driver drowsiness and attention warnings are enabled, the driver drowsiness and
+     * attention monitoring system inside the vehicle should warn the driver when it detects the
+     * driver is drowsy or not attentive.
+     *
+     * In general, DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED should always return true or false.
+     * If the feature is not available due to some temporary state, that information must be
+     * conveyed through the ErrorState values in the DRIVER_DROWSINESS_ATTENTION_WARNING property.
+     *
+     * This property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to
+     * implement it as VehiclePropertyAccess.READ only.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ_WRITE
+     * @access VehiclePropertyAccess.READ
+     */
+    DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED =
+            0x101B + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
+
     /***************************************************************************
      * End of ADAS Properties
      **************************************************************************/
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 785d192..8aed881 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -627,6 +627,18 @@
                    VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyDriverDrowsinessAttentionStateConfig) {
+    verifyProperty(VehicleProperty::DRIVER_DROWSINESS_ATTENTION_STATE, VehiclePropertyAccess::READ,
+                   VehiclePropertyChangeMode::ON_CHANGE, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyDriverDrowsinessAttentionWarningEnabledConfig) {
+    verifyProperty(VehicleProperty::DRIVER_DROWSINESS_ATTENTION_WARNING_ENABLED,
+                   VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
+                   VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyEvBrakeRegenerationLevelConfig) {
     verifyProperty(VehicleProperty::EV_BRAKE_REGENERATION_LEVEL,
                    VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
diff --git a/biometrics/common/util/Android.bp b/biometrics/common/util/Android.bp
index b990812..599c491 100644
--- a/biometrics/common/util/Android.bp
+++ b/biometrics/common/util/Android.bp
@@ -13,6 +13,6 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
     ],
 }
diff --git a/biometrics/face/aidl/Android.bp b/biometrics/face/aidl/Android.bp
index 6c8cd78..0d977a9 100644
--- a/biometrics/face/aidl/Android.bp
+++ b/biometrics/face/aidl/Android.bp
@@ -14,7 +14,7 @@
         "android/hardware/biometrics/face/**/*.aidl",
     ],
     imports: [
-        "android.hardware.biometrics.common-V3",
+        "android.hardware.biometrics.common-V4",
         "android.hardware.common-V2",
         "android.hardware.keymaster-V4",
     ],
diff --git a/biometrics/face/aidl/default/Android.bp b/biometrics/face/aidl/default/Android.bp
index ecd0934..4816219 100644
--- a/biometrics/face/aidl/default/Android.bp
+++ b/biometrics/face/aidl/default/Android.bp
@@ -40,7 +40,7 @@
     ],
     stl: "c++_static",
     static_libs: [
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.biometrics.common.thread",
         "android.hardware.biometrics.common.util",
         "android.hardware.biometrics.face-V4-ndk",
@@ -75,7 +75,7 @@
     static_libs: [
         "libandroid.hardware.biometrics.face.VirtualProps",
         "android.hardware.biometrics.face-V4-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
diff --git a/biometrics/fingerprint/aidl/Android.bp b/biometrics/fingerprint/aidl/Android.bp
index c543a93..1a099a5 100644
--- a/biometrics/fingerprint/aidl/Android.bp
+++ b/biometrics/fingerprint/aidl/Android.bp
@@ -14,7 +14,7 @@
         "android/hardware/biometrics/fingerprint/**/*.aidl",
     ],
     imports: [
-        "android.hardware.biometrics.common-V3",
+        "android.hardware.biometrics.common-V4",
         "android.hardware.keymaster-V4",
     ],
     stability: "vintf",
@@ -50,5 +50,5 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
diff --git a/biometrics/fingerprint/aidl/default/Android.bp b/biometrics/fingerprint/aidl/default/Android.bp
index a173a00..c3ec4d0 100644
--- a/biometrics/fingerprint/aidl/default/Android.bp
+++ b/biometrics/fingerprint/aidl/default/Android.bp
@@ -30,8 +30,8 @@
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
         "libbase",
-        "android.hardware.biometrics.fingerprint-V3-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V4-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.biometrics.common.thread",
         "android.hardware.biometrics.common.util",
         "android.hardware.keymaster-V4-ndk",
@@ -54,8 +54,8 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V3-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V4-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
@@ -80,8 +80,8 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V3-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V4-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
@@ -104,8 +104,8 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V3-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V4-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
@@ -130,8 +130,8 @@
     ],
     static_libs: [
         "libandroid.hardware.biometrics.fingerprint.VirtualProps",
-        "android.hardware.biometrics.fingerprint-V3-ndk",
-        "android.hardware.biometrics.common-V3-ndk",
+        "android.hardware.biometrics.fingerprint-V4-ndk",
+        "android.hardware.biometrics.common-V4-ndk",
         "android.hardware.keymaster-V4-ndk",
         "android.hardware.biometrics.common.util",
     ],
diff --git a/biometrics/fingerprint/aidl/default/fingerprint-example.xml b/biometrics/fingerprint/aidl/default/fingerprint-example.xml
index e977b98..827813f 100644
--- a/biometrics/fingerprint/aidl/default/fingerprint-example.xml
+++ b/biometrics/fingerprint/aidl/default/fingerprint-example.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.biometrics.fingerprint</name>
-        <version>3</version>
+        <version>4</version>
         <fqname>IFingerprint/virtual</fqname>
     </hal>
 </manifest>
diff --git a/bluetooth/aidl/default/net_bluetooth_mgmt.cpp b/bluetooth/aidl/default/net_bluetooth_mgmt.cpp
index 937cd57..0699781 100644
--- a/bluetooth/aidl/default/net_bluetooth_mgmt.cpp
+++ b/bluetooth/aidl/default/net_bluetooth_mgmt.cpp
@@ -162,9 +162,9 @@
           (struct mgmt_ev_read_index_list*)ev.data;
 
       for (int i = 0; i < data->num_controllers; i++) {
-        if (data->index[i] == hci_interface) {
-          ALOGI("hci interface %d found", hci_interface);
-          ret = 0;
+        if (data->index[i] >= hci_interface) {
+          ALOGI("hci interface %d found", data->index[i]);
+          ret = data->index[i];
           goto end;
         }
       }
@@ -253,8 +253,9 @@
   rfkill(1);
 
   // Wait for the HCI interface to complete initialization or to come online.
-  if (waitHciDev(hci_interface)) {
-    ALOGE("hci interface %d not found", hci_interface);
+  hci_interface = waitHciDev(hci_interface);
+  if (hci_interface < 0) {
+    ALOGE("hci interface not found");
     return -1;
   }
 
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfiguration.aidl
new file mode 100644
index 0000000..9e67b15
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfiguration.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable A2dpConfiguration {
+  int remoteSeid;
+  android.hardware.bluetooth.audio.CodecId id;
+  android.hardware.bluetooth.audio.CodecParameters parameters;
+  byte[] configuration;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl
new file mode 100644
index 0000000..0a5b489
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable A2dpConfigurationHint {
+  byte[6] bdAddr;
+  android.hardware.bluetooth.audio.AudioContext audioContext;
+  @nullable android.hardware.bluetooth.audio.CodecId codecId;
+  @nullable android.hardware.bluetooth.audio.CodecParameters codecParameters;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl
new file mode 100644
index 0000000..9c1e971
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable A2dpRemoteCapabilities {
+  int seid;
+  android.hardware.bluetooth.audio.CodecId id;
+  byte[] capabilities;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStatus.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStatus.aidl
new file mode 100644
index 0000000..ac22e25
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStatus.aidl
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@Backing(type="byte") @VintfStability
+enum A2dpStatus {
+  OK = 0,
+  BAD_LENGTH = 0x11u8,
+  BAD_PAYLOAD_FORMAT = 0x18u8,
+  INVALID_CODEC_TYPE = 0xC1u8,
+  NOT_SUPPORTED_CODEC_TYPE = 0xC2u8,
+  INVALID_SAMPLING_FREQUENCY = 0xC3u8,
+  NOT_SUPPORTED_SAMPLING_FREQUENCY = 0xC4u8,
+  INVALID_CHANNEL_MODE = 0xC5u8,
+  NOT_SUPPORTED_CHANNEL_MODE = 0xC6u8,
+  INVALID_SUBBANDS = 0xC7u8,
+  NOT_SUPPORTED_SUBBANDS = 0xC8u8,
+  INVALID_ALLOCATION_METHOD = 0xC9u8,
+  NOT_SUPPORTED_ALLOCATION_METHOD = 0xCAu8,
+  INVALID_MINIMUM_BITPOOL_VALUE = 0xCBu8,
+  NOT_SUPPORTED_MINIMUM_BITPOOL_VALUE = 0xCCu8,
+  INVALID_MAXIMUM_BITPOOL_VALUE = 0xCDu8,
+  NOT_SUPPORTED_MAXIMUM_BITPOOL_VALUE = 0xCEu8,
+  NOT_SUPPORTED_VBR = 0xD3u8,
+  NOT_SUPPORTED_BIT_RATE = 0xD5u8,
+  INVALID_OBJECT_TYPE = 0xD6u8,
+  NOT_SUPPORTED_OBJECT_TYPE = 0xD7u8,
+  INVALID_CHANNELS = 0xD8u8,
+  NOT_SUPPORTED_CHANNELS = 0xD9u8,
+  INVALID_BLOCK_LENGTH = 0xDDu8,
+  INVALID_CODEC_PARAMETER = 0xE2u8,
+  NOT_SUPPORTED_CODEC_PARAMETER = 0xE3u8,
+  INVALID_DRC = 0xE4u8,
+  NOT_SUPPORTED_DRC = 0xE5u8,
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl
new file mode 100644
index 0000000..ff5a1bc
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable A2dpStreamConfiguration {
+  int peerMtu;
+  @nullable byte[1] cpHeaderScmst;
+  android.hardware.bluetooth.audio.CodecId codecId;
+  byte[] configuration;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index 3abfb31..2c40267 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -38,4 +38,6 @@
   android.hardware.bluetooth.audio.CodecConfiguration a2dpConfig;
   android.hardware.bluetooth.audio.LeAudioConfiguration leAudioConfig;
   android.hardware.bluetooth.audio.LeAudioBroadcastConfiguration leAudioBroadcastConfig;
+  android.hardware.bluetooth.audio.HfpConfiguration hfpConfig;
+  android.hardware.bluetooth.audio.A2dpStreamConfiguration a2dp;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecParameters.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecParameters.aidl
new file mode 100644
index 0000000..60cf82a
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecParameters.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable CodecParameters {
+  android.hardware.bluetooth.audio.ChannelMode channelMode;
+  int samplingFrequencyHz;
+  int bitdepth;
+  int minBitrate;
+  int maxBitrate;
+  boolean lowLatency;
+  boolean lossless;
+  byte[] vendorSpecificParameters;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/HfpConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/HfpConfiguration.aidl
new file mode 100644
index 0000000..490a05d
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/HfpConfiguration.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable HfpConfiguration {
+  android.hardware.bluetooth.audio.CodecId codecId;
+  int connectionHandle;
+  boolean nrec;
+  boolean controllerCodec;
+}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
index 267af0f..ccf5524 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
@@ -40,4 +40,6 @@
   void streamSuspended(in android.hardware.bluetooth.audio.BluetoothAudioStatus status);
   void updateAudioConfiguration(in android.hardware.bluetooth.audio.AudioConfiguration audioConfig);
   void setLowLatencyModeAllowed(in boolean allowed);
+  android.hardware.bluetooth.audio.A2dpStatus parseA2dpConfiguration(in android.hardware.bluetooth.audio.CodecId codecId, in byte[] configuration, out android.hardware.bluetooth.audio.CodecParameters codecParameters);
+  @nullable android.hardware.bluetooth.audio.A2dpConfiguration getA2dpConfiguration(in List<android.hardware.bluetooth.audio.A2dpRemoteCapabilities> remoteA2dpCapabilities, in android.hardware.bluetooth.audio.A2dpConfigurationHint hint);
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
index 4b2c10f..71cca53 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
@@ -46,4 +46,7 @@
   LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
   A2DP_SOFTWARE_DECODING_DATAPATH,
   A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+  HFP_SOFTWARE_ENCODING_DATAPATH,
+  HFP_SOFTWARE_DECODING_DATAPATH,
+  HFP_HARDWARE_OFFLOAD_DATAPATH,
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfiguration.aidl
new file mode 100644
index 0000000..a7fd9ff
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfiguration.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.CodecId;
+import android.hardware.bluetooth.audio.CodecParameters;
+
+/**
+ * A2DP Service Configuration
+ */
+@VintfStability
+parcelable A2dpConfiguration {
+    /**
+     * Remote Stream Endpoint Identifier
+     */
+    int remoteSeid;
+
+    /**
+     * Codec Selection and configuration, in a generic way with `parameters`
+     * and as defined by A2DP for codec interoperability requirements, with
+     * `configuration`. Using `id.a2dp`, the format is given by the `Codec
+     * Specific Information Elements` [A2DP - 4.3-6.2], and using `id.vendor`,
+     * by `Vendor Specific Value` [A2DP - 4.7.2].
+     * In any case, this byte array is limited by the framework to 128 Bytes.
+     */
+    CodecId id;
+    CodecParameters parameters;
+    byte[] configuration;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl
new file mode 100644
index 0000000..f707a8a
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpConfigurationHint.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.AudioContext;
+import android.hardware.bluetooth.audio.CodecId;
+import android.hardware.bluetooth.audio.CodecParameters;
+
+/**
+ * A2DP Configuration Hints
+ */
+@VintfStability
+parcelable A2dpConfigurationHint {
+    /**
+     * Bluetooth Device Address, intended to be used for interoperabilities.
+     */
+    byte[6] bdAddr;
+
+    /**
+     * Audio configuration hints:
+     * - The starting audio context of the session
+     * - An optional preference of codec and / or parameters
+     */
+
+    AudioContext audioContext;
+    @nullable CodecId codecId;
+    @nullable CodecParameters codecParameters;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl
new file mode 100644
index 0000000..87277f1
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpRemoteCapabilities.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.CodecId;
+
+/**
+ * A2DP Remote Capabilites
+ */
+@VintfStability
+parcelable A2dpRemoteCapabilities {
+    /**
+     * Remote Stream Endpoint identifier
+     */
+    int seid;
+
+    /**
+     * Codec Identifier and `capabilities` as defined by A2DP for codec
+     * interoperability requirements. Using `id.a2dp`, the format is given
+     * by the `Codec Specific Information Elements` [A2DP - 4.3-6.2], and
+     * using `id.vendor`, by `Vendor Specific Value` [A2DP - 4.7.2].
+     */
+    CodecId id;
+    byte[] capabilities;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStatus.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStatus.aidl
new file mode 100644
index 0000000..8eba3c9
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStatus.aidl
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+@VintfStability
+@Backing(type="byte")
+enum A2dpStatus {
+
+    OK = 0,
+
+    /**
+     * Error codes defined by AVDTP [AVDTP - 8.20.6.2]
+     */
+
+    BAD_LENGTH = 0x11u8,
+    BAD_PAYLOAD_FORMAT = 0x18u8,
+
+    /**
+     * Error codecs defined by A2DP for AVDTP Interoperability [A2DP - 5.1.3]
+     */
+
+    INVALID_CODEC_TYPE = 0xC1u8,
+    NOT_SUPPORTED_CODEC_TYPE = 0xC2u8,
+    INVALID_SAMPLING_FREQUENCY = 0xC3u8,
+    NOT_SUPPORTED_SAMPLING_FREQUENCY = 0xC4u8,
+    INVALID_CHANNEL_MODE = 0xC5u8,
+    NOT_SUPPORTED_CHANNEL_MODE = 0xC6u8,
+    INVALID_SUBBANDS = 0xC7u8,
+    NOT_SUPPORTED_SUBBANDS = 0xC8u8,
+    INVALID_ALLOCATION_METHOD = 0xC9u8,
+    NOT_SUPPORTED_ALLOCATION_METHOD = 0xCAu8,
+    INVALID_MINIMUM_BITPOOL_VALUE = 0xCBu8,
+    NOT_SUPPORTED_MINIMUM_BITPOOL_VALUE = 0xCCu8,
+    INVALID_MAXIMUM_BITPOOL_VALUE = 0xCDu8,
+    NOT_SUPPORTED_MAXIMUM_BITPOOL_VALUE = 0xCEu8,
+    NOT_SUPPORTED_VBR = 0xD3u8,
+    NOT_SUPPORTED_BIT_RATE = 0xD5u8,
+    INVALID_OBJECT_TYPE = 0xD6u8,
+    NOT_SUPPORTED_OBJECT_TYPE = 0xD7u8,
+    INVALID_CHANNELS = 0xD8u8,
+    NOT_SUPPORTED_CHANNELS = 0xD9u8,
+    INVALID_BLOCK_LENGTH = 0xDDu8,
+    INVALID_CODEC_PARAMETER = 0xE2u8,
+    NOT_SUPPORTED_CODEC_PARAMETER = 0xE3u8,
+    INVALID_DRC = 0xE4u8,
+    NOT_SUPPORTED_DRC = 0xE5u8,
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl
new file mode 100644
index 0000000..2a0c4d8
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/A2dpStreamConfiguration.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.CodecId;
+
+@VintfStability
+parcelable A2dpStreamConfiguration {
+    /**
+     * Peer MTU (16 bits)
+     */
+    int peerMtu;
+
+    /**
+     * Optional SCMS-T Content Protection header
+     * that precedes audio content when enabled [A2DP - 3.2.1-2].
+     * The content protection byte is defined by [Assigned Number - 6.3.2].
+     */
+    @nullable byte[1] cpHeaderScmst;
+
+    /**
+     * Codec Identifier and `configuration` as defined by A2DP for codec
+     * interoperability requirements. Using `codecId.a2dp`, the format is given
+     * by the `Codec Specific Information Elements` [A2DP - 4.3-6.2], and
+     * using `codecId.vendor`, by `Vendor Specific Value` [A2DP - 4.7.2].
+     */
+    CodecId codecId;
+    byte[] configuration;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index a06337e..5317dfb 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -16,7 +16,9 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.bluetooth.audio.A2dpStreamConfiguration;
 import android.hardware.bluetooth.audio.CodecConfiguration;
+import android.hardware.bluetooth.audio.HfpConfiguration;
 import android.hardware.bluetooth.audio.LeAudioBroadcastConfiguration;
 import android.hardware.bluetooth.audio.LeAudioConfiguration;
 import android.hardware.bluetooth.audio.PcmConfiguration;
@@ -30,4 +32,6 @@
     CodecConfiguration a2dpConfig;
     LeAudioConfiguration leAudioConfig;
     LeAudioBroadcastConfiguration leAudioBroadcastConfig;
+    HfpConfiguration hfpConfig;
+    A2dpStreamConfiguration a2dp;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecParameters.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecParameters.aidl
new file mode 100644
index 0000000..b6f8a94
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecParameters.aidl
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.ChannelMode;
+
+/**
+ * Used to exchange generic codec parameters between the stack and the provider.
+ */
+@VintfStability
+parcelable CodecParameters {
+    /**
+     * PCM related parameters:
+     * - Mono, Dual-Mono or Stereo
+     * - Sampling frequencies, in Hz.
+     * - Fixed point resolution, basically 16, 24 or 32 bits by samples.
+     *   The value 32 should be used for floating point representation..
+     */
+    ChannelMode channelMode;
+    int samplingFrequencyHz;
+    int bitdepth;
+
+    /**
+     * Encoding parameters:
+     *
+     * - Bitrate limits on a frame basis, defined in bits per second.
+     *   The encoder bitrate mode can be encoded following this rule:
+     *     . minBitrate equals to maxBitrate for constant bitrate
+     *     . minBitrate set to 0, for VBR with peak bitrate at maxBitratre value.
+     *     . minBitrate greater than 0, for ABR, the bitrate of the stream varies
+     *       between minBitrate to maxBitrate according to link quality.
+     *   The 0 value for both means "undefined" or "don't care".
+     *
+     * - Low-latency configuration privileged
+     * - Lossless effort indication. The 'False' value can be used as "don't care"
+     */
+    int minBitrate;
+    int maxBitrate;
+
+    boolean lowLatency;
+    boolean lossless;
+
+    /**
+     * Vendor specific parameters, inserted in the Vendor Specific HCI Command
+     * `Start A2DP Offload` as it is. The stack operates as a pass-through;
+     * the data SHALL NOT be inspected nor written by the client.
+     * The size is limited to 128 bytes by the client; a larger size is
+     * interpreted as a zero-sized buffer.
+     */
+    byte[] vendorSpecificParameters;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/HfpConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/HfpConfiguration.aidl
new file mode 100644
index 0000000..9494bb9
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/HfpConfiguration.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 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.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.CodecId;
+
+@VintfStability
+parcelable HfpConfiguration {
+    /**
+     * Codec identifier.
+     */
+    CodecId codecId;
+
+    /**
+     * The connection handle used for SCO connection.
+     * Range: 0x0000 to 0x0EFF.
+     */
+    int connectionHandle;
+
+    /**
+     *  Echo canceling and noise reduction functions resident in the AG.
+     */
+    boolean nrec;
+
+    /**
+     *  Indicate whether the codec is encoded and decoded in the controller.
+     *  If the codec is inside the DSP, then it would be transparent mode.
+     */
+    boolean controllerCodec;
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
index 558173e..b5c8a31 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.aidl
@@ -16,8 +16,14 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.bluetooth.audio.A2dpConfiguration;
+import android.hardware.bluetooth.audio.A2dpConfigurationHint;
+import android.hardware.bluetooth.audio.A2dpRemoteCapabilities;
+import android.hardware.bluetooth.audio.A2dpStatus;
 import android.hardware.bluetooth.audio.AudioConfiguration;
 import android.hardware.bluetooth.audio.BluetoothAudioStatus;
+import android.hardware.bluetooth.audio.CodecId;
+import android.hardware.bluetooth.audio.CodecParameters;
 import android.hardware.bluetooth.audio.IBluetoothAudioPort;
 import android.hardware.bluetooth.audio.LatencyMode;
 import android.hardware.common.fmq.MQDescriptor;
@@ -92,4 +98,30 @@
      * mode, the API will be called with supported is false.
      */
     void setLowLatencyModeAllowed(in boolean allowed);
+
+    /**
+     * Validate and parse an A2DP Configuration,
+     * shall be used with A2DP session types
+     *
+     * @param codecId Identify the codec
+     * @param The configuration as defined by the A2DP's `Codec Specific
+     *        Information Elements`, or `Vendor Specific Value` when CodecId
+     *        format is set to `VENDOR`.
+     * @param codecParameters result of parsing, when the validation succeeded.
+     * @return A2DP Status of the parsing
+     */
+    A2dpStatus parseA2dpConfiguration(
+            in CodecId codecId, in byte[] configuration, out CodecParameters codecParameters);
+
+    /**
+     * Return a configuration, from a list of remote Capabilites,
+     * shall be used with A2DP session types
+     *
+     * @param remoteCapabilities The capabilities of the remote device
+     * @param hint Hint on selection (audio context and/or codec)
+     * @return The requested configuration. A null value value is returned
+     *         when no suitable configuration has been found.
+     */
+    @nullable A2dpConfiguration getA2dpConfiguration(
+            in List<A2dpRemoteCapabilities> remoteA2dpCapabilities, in A2dpConfigurationHint hint);
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
index 7acb5c6..35292a1 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
@@ -70,4 +70,17 @@
      * The decoding of AVDTP media is done by HW and there is control only
      */
     A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+    /**
+     * Used when audio is encoded by Bluetooth Stack and is streaming to HFP device.
+     */
+    HFP_SOFTWARE_ENCODING_DATAPATH,
+    /**
+     * Used when audio is decoded by Bluetooth Stack and is streaming to HFP device.
+     */
+    HFP_SOFTWARE_DECODING_DATAPATH,
+    /**
+     * Used when encoded and decoded by hardware offload and is streamed to HFP device.
+     * This is a control path only.
+     */
+    HFP_HARDWARE_OFFLOAD_DATAPATH,
 }
diff --git a/bluetooth/audio/aidl/default/A2dpBits.h b/bluetooth/audio/aidl/default/A2dpBits.h
new file mode 100644
index 0000000..f467c95
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpBits.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2023 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
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+class A2dpBits {
+  const uint8_t* cdata_;
+  uint8_t* data_;
+
+ public:
+  A2dpBits(const std::vector<uint8_t>& vector) : cdata_(vector.data()) {}
+
+  A2dpBits(std::vector<uint8_t>& vector)
+      : cdata_(vector.data()), data_(vector.data()) {}
+
+  struct Range {
+    const int first, len;
+    constexpr Range(int first, int last)
+        : first(first), len(last - first + 1) {}
+    constexpr Range(int index) : first(index), len(1) {}
+  };
+
+  constexpr bool get(int bit) const {
+    return (cdata_[bit >> 3] >> (7 - (bit & 7))) & 1;
+  }
+
+  constexpr unsigned get(const Range& range) const {
+    unsigned v(0);
+    for (int i = 0; i < range.len; i++)
+      v |= get(range.first + i) << ((range.len - 1) - i);
+    return v;
+  }
+
+  constexpr void set(int bit, int value = 1) {
+    uint8_t m = 1 << (7 - (bit & 7));
+    if (value)
+      data_[bit >> 3] |= m;
+    else
+      data_[bit >> 3] &= ~m;
+  }
+
+  constexpr void set(const Range& range, int value) {
+    for (int i = 0; i < range.len; i++)
+      set(range.first + i, (value >> ((range.len - 1) - i)) & 1);
+  }
+
+  constexpr int find_active_bit(const Range& range) const {
+    unsigned v = get(range);
+    int i = 0;
+    for (; i < range.len && ((v >> i) & 1) == 0; i++)
+      ;
+    return i < range.len && (v ^ (1 << i)) == 0
+               ? range.first + (range.len - 1) - i
+               : -1;
+  }
+};
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.cpp b/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.cpp
index 2d0d8c9..ba7a89d 100644
--- a/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.cpp
+++ b/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.cpp
@@ -22,6 +22,10 @@
 #include <BluetoothAudioSessionReport.h>
 #include <android-base/logging.h>
 
+#include "A2dpOffloadCodecAac.h"
+#include "A2dpOffloadCodecFactory.h"
+#include "A2dpOffloadCodecSbc.h"
+
 namespace aidl {
 namespace android {
 namespace hardware {
@@ -48,19 +52,44 @@
     const std::shared_ptr<IBluetoothAudioPort>& host_if,
     const AudioConfiguration& audio_config,
     const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return) {
-  if (audio_config.getTag() != AudioConfiguration::a2dpConfig) {
+  if (audio_config.getTag() == AudioConfiguration::Tag::a2dp) {
+    auto a2dp_config = audio_config.get<AudioConfiguration::Tag::a2dp>();
+    A2dpStatus a2dp_status = A2dpStatus::NOT_SUPPORTED_CODEC_TYPE;
+
+    if (a2dp_config.codecId ==
+        A2dpOffloadCodecSbc::GetInstance()->GetCodecId()) {
+      SbcParameters sbc_parameters;
+      a2dp_status = A2dpOffloadCodecSbc::GetInstance()->ParseConfiguration(
+          a2dp_config.configuration, &sbc_parameters);
+
+    } else if (a2dp_config.codecId ==
+               A2dpOffloadCodecAac::GetInstance()->GetCodecId()) {
+      AacParameters aac_parameters;
+      a2dp_status = A2dpOffloadCodecAac::GetInstance()->ParseConfiguration(
+          a2dp_config.configuration, &aac_parameters);
+    }
+    if (a2dp_status != A2dpStatus::OK) {
+      LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
+                   << audio_config.toString();
+      *_aidl_return = DataMQDesc();
+      return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+  } else if (audio_config.getTag() == AudioConfiguration::Tag::a2dpConfig) {
+    if (!BluetoothAudioCodecs::IsOffloadCodecConfigurationValid(
+            session_type_,
+            audio_config.get<AudioConfiguration::a2dpConfig>())) {
+      LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
+                   << audio_config.toString();
+      *_aidl_return = DataMQDesc();
+      return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+  } else {
     LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
                  << audio_config.toString();
     *_aidl_return = DataMQDesc();
     return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
   }
-  if (!BluetoothAudioCodecs::IsOffloadCodecConfigurationValid(
-          session_type_, audio_config.get<AudioConfiguration::a2dpConfig>())) {
-    LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
-                 << audio_config.toString();
-    *_aidl_return = DataMQDesc();
-    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
-  }
+
   return BluetoothAudioProvider::startSession(
       host_if, audio_config, latency_modes, _aidl_return);
 }
@@ -73,6 +102,36 @@
   return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus A2dpOffloadAudioProvider::parseA2dpConfiguration(
+    const CodecId& codec_id, const std::vector<uint8_t>& configuration,
+    CodecParameters* codec_parameters, A2dpStatus* _aidl_return) {
+  auto codec = A2dpOffloadCodecFactory::GetInstance()->GetCodec(codec_id);
+  if (!codec) {
+    LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+              << " - CodecId=" << codec_id.toString() << " is not found";
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+
+  *_aidl_return = codec->ParseConfiguration(configuration, codec_parameters);
+
+  return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus A2dpOffloadAudioProvider::getA2dpConfiguration(
+    const std::vector<A2dpRemoteCapabilities>& remote_a2dp_capabilities,
+    const A2dpConfigurationHint& hint,
+    std::optional<audio::A2dpConfiguration>* _aidl_return) {
+  *_aidl_return = std::nullopt;
+  A2dpConfiguration avdtp_configuration;
+
+  if (A2dpOffloadCodecFactory::GetInstance()->GetConfiguration(
+          remote_a2dp_capabilities, hint, &avdtp_configuration))
+    *_aidl_return =
+        std::make_optional<A2dpConfiguration>(std::move(avdtp_configuration));
+
+  return ndk::ScopedAStatus::ok();
+}
+
 }  // namespace audio
 }  // namespace bluetooth
 }  // namespace hardware
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.h b/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.h
index e6f188b..7cc6dee 100644
--- a/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.h
+++ b/bluetooth/audio/aidl/default/A2dpOffloadAudioProvider.h
@@ -34,7 +34,16 @@
       const std::shared_ptr<IBluetoothAudioPort>& host_if,
       const AudioConfiguration& audio_config,
       const std::vector<LatencyMode>& latency_modes,
-      DataMQDesc* _aidl_return);
+      DataMQDesc* _aidl_return) override;
+
+  ndk::ScopedAStatus parseA2dpConfiguration(
+      const CodecId& codec_id, const std::vector<uint8_t>& configuration,
+      CodecParameters* codec_parameters, A2dpStatus* _aidl_return) override;
+
+  ndk::ScopedAStatus getA2dpConfiguration(
+      const std::vector<A2dpRemoteCapabilities>& remote_a2dp_capabilities,
+      const A2dpConfigurationHint& hint,
+      std::optional<audio::A2dpConfiguration>* _aidl_return) override;
 
  private:
   ndk::ScopedAStatus onSessionReady(DataMQDesc* _aidl_return) override;
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodec.h b/bluetooth/audio/aidl/default/A2dpOffloadCodec.h
new file mode 100644
index 0000000..7ed5872
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodec.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2023 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/bluetooth/audio/A2dpStatus.h>
+#include <aidl/android/hardware/bluetooth/audio/ChannelMode.h>
+#include <aidl/android/hardware/bluetooth/audio/CodecParameters.h>
+
+#include "BluetoothAudioProviderFactory.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+class A2dpOffloadCodec {
+ protected:
+  A2dpOffloadCodec(const CodecInfo& info) : info(info) {}
+  virtual ~A2dpOffloadCodec() {}
+
+ public:
+  const CodecInfo& info;
+
+  const CodecId& GetCodecId() const { return info.id; }
+
+  virtual A2dpStatus ParseConfiguration(
+      const std::vector<uint8_t>& configuration,
+      CodecParameters* codec_parameters) const = 0;
+
+  virtual bool BuildConfiguration(
+      const std::vector<uint8_t>& remote_capabilities,
+      const std::optional<CodecParameters>& hint,
+      std::vector<uint8_t>* configuration) const = 0;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.cpp b/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.cpp
new file mode 100644
index 0000000..0f5533a
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.cpp
@@ -0,0 +1,378 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include "A2dpOffloadCodecAac.h"
+
+#include "A2dpBits.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+/**
+ * AAC Local Capabilities
+ */
+
+enum : bool {
+  kEnableObjectTypeMpeg2AacLc = true,
+  kEnableObjectTypeMpeg4AacLc = true,
+};
+
+enum : bool {
+  kEnableSamplingFrequency44100 = true,
+  kEnableSamplingFrequency48000 = true,
+  kEnableSamplingFrequency88200 = false,
+  kEnableSamplingFrequency96000 = false,
+};
+
+enum : bool {
+  kEnableChannels1 = true,
+  kEnableChannels2 = true,
+};
+
+enum : bool {
+  kEnableVbrSupported = true,
+};
+
+enum : int {
+  kBitdepth = 24,
+};
+
+/**
+ * AAC Signaling format [A2DP - 4.5]
+ */
+
+// clang-format off
+
+constexpr A2dpBits::Range kObjectType        (  0,  6 );
+constexpr A2dpBits::Range kDrcEnable         (  7     );
+constexpr A2dpBits::Range kSamplingFrequency (  8, 19 );
+constexpr A2dpBits::Range kChannels          ( 20, 23 );
+constexpr A2dpBits::Range kVbrSupported      ( 24     );
+constexpr A2dpBits::Range kBitrate           ( 25, 47 );
+constexpr size_t kCapabilitiesSize = 48/8;
+
+// clang-format on
+
+enum {
+  kObjectTypeMpeg2AacLc = kObjectType.first,
+  kObjectTypeMpeg4AacLc,
+  kObjectTypeMpeg4AacLtp,
+  kObjectTypeMpeg4AacScalable,
+  kObjectTypeMpeg4AacHeV1,
+  kObjectTypeMpeg4AacHeV2,
+  kObjectTypeMpeg4AacEldV2
+};
+
+enum {
+  kSamplingFrequency8000 = kSamplingFrequency.first,
+  kSamplingFrequency11025,
+  kSamplingFrequency12000,
+  kSamplingFrequency16000,
+  kSamplingFrequency22050,
+  kSamplingFrequency24000,
+  kSamplingFrequency32000,
+  kSamplingFrequency44100,
+  kSamplingFrequency48000,
+  kSamplingFrequency64000,
+  kSamplingFrequency88200,
+  kSamplingFrequency96000
+};
+
+enum { kChannels1 = kChannels.first, kChannels2, kChannels51, kChannels71 };
+
+/**
+ * AAC Conversion functions
+ */
+
+static AacParameters::ObjectType GetObjectTypeEnum(int object_type) {
+  switch (object_type) {
+    case kObjectTypeMpeg2AacLc:
+      return AacParameters::ObjectType::MPEG2_AAC_LC;
+    case kObjectTypeMpeg4AacLc:
+    default:
+      return AacParameters::ObjectType::MPEG4_AAC_LC;
+  }
+}
+
+static int GetSamplingFrequencyBit(int32_t sampling_frequency) {
+  switch (sampling_frequency) {
+    case 8000:
+      return kSamplingFrequency8000;
+    case 11025:
+      return kSamplingFrequency11025;
+    case 12000:
+      return kSamplingFrequency12000;
+    case 16000:
+      return kSamplingFrequency16000;
+    case 22050:
+      return kSamplingFrequency22050;
+    case 24000:
+      return kSamplingFrequency24000;
+    case 32000:
+      return kSamplingFrequency32000;
+    case 44100:
+      return kSamplingFrequency44100;
+    case 48000:
+      return kSamplingFrequency48000;
+    case 64000:
+      return kSamplingFrequency64000;
+    case 88200:
+      return kSamplingFrequency88200;
+    case 96000:
+      return kSamplingFrequency96000;
+    default:
+      return -1;
+  }
+}
+
+static int32_t GetSamplingFrequencyValue(int sampling_frequency) {
+  switch (sampling_frequency) {
+    case kSamplingFrequency8000:
+      return 8000;
+    case kSamplingFrequency11025:
+      return 11025;
+    case kSamplingFrequency12000:
+      return 12000;
+    case kSamplingFrequency16000:
+      return 16000;
+    case kSamplingFrequency22050:
+      return 22050;
+    case kSamplingFrequency24000:
+      return 24000;
+    case kSamplingFrequency32000:
+      return 32000;
+    case kSamplingFrequency44100:
+      return 44100;
+    case kSamplingFrequency48000:
+      return 48000;
+    case kSamplingFrequency64000:
+      return 64000;
+    case kSamplingFrequency88200:
+      return 88200;
+    case kSamplingFrequency96000:
+      return 96000;
+    default:
+      return 0;
+  }
+}
+
+static int GetChannelsBit(ChannelMode channel_mode) {
+  switch (channel_mode) {
+    case ChannelMode::MONO:
+      return kChannels1;
+    case ChannelMode::STEREO:
+      return kChannels2;
+    default:
+      return -1;
+  }
+}
+
+static ChannelMode GetChannelModeEnum(int channel_mode) {
+  switch (channel_mode) {
+    case kChannels1:
+      return ChannelMode::MONO;
+    case kChannels2:
+      return ChannelMode::STEREO;
+    default:
+      return ChannelMode::UNKNOWN;
+  }
+}
+
+/**
+ * AAC Class implementation
+ */
+
+const A2dpOffloadCodecAac* A2dpOffloadCodecAac::GetInstance() {
+  static A2dpOffloadCodecAac instance;
+  return &instance;
+}
+
+A2dpOffloadCodecAac::A2dpOffloadCodecAac()
+    : A2dpOffloadCodec(info_),
+      info_({.id = CodecId(CodecId::A2dp::AAC), .name = "AAC"}) {
+  info_.transport.set<CodecInfo::Transport::Tag::a2dp>();
+  auto& a2dp_info = info_.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  /* --- Setup Capabilities --- */
+
+  a2dp_info.capabilities.resize(kCapabilitiesSize);
+  std::fill(begin(a2dp_info.capabilities), end(a2dp_info.capabilities), 0);
+
+  auto capabilities = A2dpBits(a2dp_info.capabilities);
+
+  capabilities.set(kObjectTypeMpeg2AacLc, kEnableObjectTypeMpeg2AacLc);
+  capabilities.set(kObjectTypeMpeg4AacLc, kEnableObjectTypeMpeg4AacLc);
+
+  capabilities.set(kSamplingFrequency44100, kEnableSamplingFrequency44100);
+  capabilities.set(kSamplingFrequency48000, kEnableSamplingFrequency48000);
+  capabilities.set(kSamplingFrequency88200, kEnableSamplingFrequency88200);
+  capabilities.set(kSamplingFrequency96000, kEnableSamplingFrequency96000);
+
+  capabilities.set(kChannels1, kEnableChannels1);
+  capabilities.set(kChannels2, kEnableChannels2);
+
+  capabilities.set(kVbrSupported, kEnableVbrSupported);
+
+  /* --- Setup Sampling Frequencies --- */
+
+  auto& sampling_frequency = a2dp_info.samplingFrequencyHz;
+
+  for (auto v : {8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
+                 64000, 88200, 96000})
+    if (capabilities.get(GetSamplingFrequencyBit(int32_t(v))))
+      sampling_frequency.push_back(v);
+
+  /* --- Setup Channel Modes --- */
+
+  auto& channel_modes = a2dp_info.channelMode;
+
+  for (auto v : {ChannelMode::MONO, ChannelMode::STEREO})
+    if (capabilities.get(GetChannelsBit(v))) channel_modes.push_back(v);
+
+  /* --- Setup Bitdepth --- */
+
+  a2dp_info.bitdepth.push_back(kBitdepth);
+}
+
+A2dpStatus A2dpOffloadCodecAac::ParseConfiguration(
+    const std::vector<uint8_t>& configuration,
+    CodecParameters* codec_parameters, AacParameters* aac_parameters) const {
+  auto& a2dp_info = info.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  if (configuration.size() != a2dp_info.capabilities.size())
+    return A2dpStatus::BAD_LENGTH;
+
+  auto config = A2dpBits(configuration);
+  auto lcaps = A2dpBits(a2dp_info.capabilities);
+
+  /* --- Check Object Type --- */
+
+  int object_type = config.find_active_bit(kObjectType);
+  if (object_type < 0) return A2dpStatus::INVALID_OBJECT_TYPE;
+  if (!lcaps.get(object_type)) return A2dpStatus::NOT_SUPPORTED_OBJECT_TYPE;
+
+  /* --- Check Sampling Frequency --- */
+
+  int sampling_frequency = config.find_active_bit(kSamplingFrequency);
+  if (sampling_frequency < 0) return A2dpStatus::INVALID_SAMPLING_FREQUENCY;
+  if (!lcaps.get(sampling_frequency))
+    return A2dpStatus::NOT_SUPPORTED_SAMPLING_FREQUENCY;
+
+  /* --- Check Channels --- */
+
+  int channels = config.find_active_bit(kChannels);
+  if (channels < 0) return A2dpStatus::INVALID_CHANNELS;
+  if (!lcaps.get(channels)) return A2dpStatus::NOT_SUPPORTED_CHANNELS;
+
+  /* --- Check Bitrate --- */
+
+  bool vbr = config.get(kVbrSupported);
+  if (vbr && !lcaps.get(kVbrSupported)) return A2dpStatus::NOT_SUPPORTED_VBR;
+
+  int bitrate = config.get(kBitrate);
+  if (vbr && lcaps.get(kBitrate) && bitrate > lcaps.get(kBitrate))
+    return A2dpStatus::NOT_SUPPORTED_BIT_RATE;
+
+  /* --- Return --- */
+
+  codec_parameters->channelMode = GetChannelModeEnum(channels);
+  codec_parameters->samplingFrequencyHz =
+      GetSamplingFrequencyValue(sampling_frequency);
+  codec_parameters->bitdepth = kBitdepth;
+
+  codec_parameters->minBitrate = vbr ? 0 : bitrate;
+  codec_parameters->maxBitrate = bitrate;
+
+  if (aac_parameters)
+    aac_parameters->object_type = GetObjectTypeEnum(object_type);
+
+  return A2dpStatus::OK;
+}
+
+bool A2dpOffloadCodecAac::BuildConfiguration(
+    const std::vector<uint8_t>& remote_capabilities,
+    const std::optional<CodecParameters>& hint,
+    std::vector<uint8_t>* configuration) const {
+  auto& a2dp_info = info_.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  if (remote_capabilities.size() != a2dp_info.capabilities.size()) return false;
+
+  auto lcaps = A2dpBits(a2dp_info.capabilities);
+  auto rcaps = A2dpBits(remote_capabilities);
+
+  configuration->resize(a2dp_info.capabilities.size());
+  std::fill(begin(*configuration), end(*configuration), 0);
+  auto config = A2dpBits(*configuration);
+
+  /* --- Select Object Type --- */
+
+  if (lcaps.get(kObjectTypeMpeg2AacLc) && rcaps.get(kObjectTypeMpeg2AacLc))
+    config.set(kObjectTypeMpeg2AacLc);
+  else if (lcaps.get(kObjectTypeMpeg4AacLc) && rcaps.get(kObjectTypeMpeg4AacLc))
+    config.set(kObjectTypeMpeg4AacLc);
+  else
+    return false;
+
+  /* --- Select Sampling Frequency --- */
+
+  auto sf_hint = hint ? GetSamplingFrequencyBit(hint->samplingFrequencyHz) : -1;
+
+  if (sf_hint >= 0 && lcaps.get(sf_hint) && rcaps.get(sf_hint))
+    config.set(sf_hint);
+  else if (lcaps.get(kSamplingFrequency96000) &&
+           rcaps.get(kSamplingFrequency96000))
+    config.set(kSamplingFrequency96000);
+  else if (lcaps.get(kSamplingFrequency88200) &&
+           rcaps.get(kSamplingFrequency88200))
+    config.set(kSamplingFrequency88200);
+  else if (lcaps.get(kSamplingFrequency48000) &&
+           rcaps.get(kSamplingFrequency48000))
+    config.set(kSamplingFrequency48000);
+  else if (lcaps.get(kSamplingFrequency44100) &&
+           rcaps.get(kSamplingFrequency44100))
+    config.set(kSamplingFrequency44100);
+  else
+    return false;
+
+  /* --- Select Channels --- */
+
+  auto ch_hint = hint ? GetChannelsBit(hint->channelMode) : -1;
+
+  if (ch_hint >= 0 && lcaps.get(ch_hint) && rcaps.get(ch_hint))
+    config.set(ch_hint);
+  else if (lcaps.get(kChannels2) && rcaps.get(kChannels2))
+    config.set(kChannels2);
+  else if (lcaps.get(kChannels1) && rcaps.get(kChannels1))
+    config.set(kChannels1);
+  else
+    return false;
+
+  /* --- Select Bitrate --- */
+
+  if (!hint || hint->minBitrate == 0)
+    config.set(kVbrSupported,
+               lcaps.get(kVbrSupported) && rcaps.get(kVbrSupported));
+
+  int32_t bitrate = lcaps.get(kBitrate);
+  if (hint && hint->maxBitrate > 0 && bitrate)
+    bitrate = std::min(hint->maxBitrate, bitrate);
+  else if (hint && hint->maxBitrate > 0)
+    bitrate = hint->maxBitrate;
+  config.set(kBitrate, bitrate);
+
+  return true;
+}
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.h b/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.h
new file mode 100644
index 0000000..eefa89b
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecAac.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2023 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 "A2dpOffloadCodec.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+struct AacParameters : public CodecParameters {
+  enum class ObjectType { MPEG2_AAC_LC, MPEG4_AAC_LC };
+
+  ObjectType object_type;
+};
+
+class A2dpOffloadCodecAac : public A2dpOffloadCodec {
+  CodecInfo info_;
+
+  A2dpOffloadCodecAac();
+
+  A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+                                CodecParameters* codec_parameters,
+                                AacParameters* aac_parameters) const;
+
+ public:
+  static const A2dpOffloadCodecAac* GetInstance();
+
+  A2dpStatus ParseConfiguration(
+      const std::vector<uint8_t>& configuration,
+      CodecParameters* codec_parameters) const override {
+    return ParseConfiguration(configuration, codec_parameters, nullptr);
+  }
+
+  A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+                                AacParameters* aac_parameters) const {
+    return ParseConfiguration(configuration, aac_parameters, aac_parameters);
+  }
+
+  bool BuildConfiguration(const std::vector<uint8_t>& remote_capabilities,
+                          const std::optional<CodecParameters>& hint,
+                          std::vector<uint8_t>* configuration) const override;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.cpp b/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.cpp
new file mode 100644
index 0000000..73d8fb1
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include "A2dpOffloadCodecFactory.h"
+
+#include <algorithm>
+#include <cassert>
+
+#include "A2dpOffloadCodecAac.h"
+#include "A2dpOffloadCodecSbc.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+/**
+ * Local Capabilities Configuration
+ */
+
+enum : bool {
+  kEnableAac = true,
+  kEnableSbc = true,
+};
+
+/**
+ * Class implementation
+ */
+
+const A2dpOffloadCodecFactory* A2dpOffloadCodecFactory::GetInstance() {
+  static A2dpOffloadCodecFactory instance;
+  return &instance;
+}
+
+A2dpOffloadCodecFactory::A2dpOffloadCodecFactory()
+    : name("Offload"), codecs(ranked_codecs_) {
+  ranked_codecs_.reserve(kEnableAac + kEnableSbc);
+
+  if (kEnableAac) ranked_codecs_.push_back(A2dpOffloadCodecAac::GetInstance());
+  if (kEnableSbc) ranked_codecs_.push_back(A2dpOffloadCodecSbc::GetInstance());
+}
+
+const A2dpOffloadCodec* A2dpOffloadCodecFactory::GetCodec(CodecId id) const {
+  auto codec = std::find_if(begin(ranked_codecs_), end(ranked_codecs_),
+                            [&](auto c) { return id == c->info.id; });
+
+  return codec != end(ranked_codecs_) ? *codec : nullptr;
+}
+
+bool A2dpOffloadCodecFactory::GetConfiguration(
+    const std::vector<A2dpRemoteCapabilities>& remote_capabilities,
+    const A2dpConfigurationHint& hint, A2dpConfiguration* configuration) const {
+  decltype(ranked_codecs_) codecs;
+
+  codecs.reserve(ranked_codecs_.size());
+
+  auto hinted_codec =
+      std::find_if(begin(ranked_codecs_), end(ranked_codecs_),
+                   [&](auto c) { return hint.codecId == c->info.id; });
+
+  if (hinted_codec != end(ranked_codecs_)) codecs.push_back(*hinted_codec);
+
+  std::copy_if(begin(ranked_codecs_), end(ranked_codecs_),
+               std::back_inserter(codecs),
+               [&](auto c) { return c != *hinted_codec; });
+
+  for (auto codec : codecs) {
+    auto rc =
+        std::find_if(begin(remote_capabilities), end(remote_capabilities),
+                     [&](auto& rc__) { return codec->info.id == rc__.id; });
+
+    if ((rc == end(remote_capabilities)) ||
+        !codec->BuildConfiguration(rc->capabilities, hint.codecParameters,
+                                   &configuration->configuration))
+      continue;
+
+    configuration->id = codec->info.id;
+    A2dpStatus status = codec->ParseConfiguration(configuration->configuration,
+                                                  &configuration->parameters);
+    assert(status == A2dpStatus::OK);
+
+    configuration->remoteSeid = rc->seid;
+
+    return true;
+  }
+
+  return false;
+}
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.h b/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.h
new file mode 100644
index 0000000..3fb5b1d
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecFactory.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 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 "A2dpOffloadCodec.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+class A2dpOffloadCodecFactory {
+  std::vector<const A2dpOffloadCodec*> ranked_codecs_;
+
+  A2dpOffloadCodecFactory();
+
+ public:
+  const std::string name;
+  const std::vector<const A2dpOffloadCodec*>& codecs;
+
+  static const A2dpOffloadCodecFactory* GetInstance();
+
+  const A2dpOffloadCodec* GetCodec(CodecId id) const;
+
+  bool GetConfiguration(const std::vector<A2dpRemoteCapabilities>&,
+                        const A2dpConfigurationHint& hint,
+                        A2dpConfiguration* configuration) const;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.cpp b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.cpp
new file mode 100644
index 0000000..36d8f72
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.cpp
@@ -0,0 +1,510 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+#include "A2dpOffloadCodecSbc.h"
+
+#include <algorithm>
+
+#include "A2dpBits.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+/**
+ * SBC Local Capabilities
+ */
+
+enum : bool {
+  kEnableSamplingFrequency44100 = true,
+  kEnableSamplingFrequency48000 = true,
+};
+
+enum : bool {
+  kEnableChannelModeMono = true,
+  kEnableChannelModeDualChannel = true,
+  kEnableChannelModeStereo = true,
+  kEnableChannelModeJointStereo = true,
+};
+
+enum : bool {
+  kEnableBlockLength4 = true,
+  kEnableBlockLength8 = true,
+  kEnableBlockLength12 = true,
+  kEnableBlockLength16 = true,
+};
+
+enum : bool {
+  kEnableSubbands4 = true,
+  kEnableSubbands8 = true,
+};
+
+enum : bool {
+  kEnableAllocationMethodSnr = true,
+  kEnableAllocationMethodLoudness = true,
+};
+
+enum : uint8_t {
+  kDefaultMinimumBitpool = 2,
+  kDefaultMaximumBitpool = 250,
+};
+
+enum : int {
+  kBitdepth = 16,
+};
+
+/**
+ * SBC Signaling format [A2DP - 4.3]
+ */
+
+// clang-format off
+
+constexpr A2dpBits::Range kSamplingFrequency (  0,  3 );
+constexpr A2dpBits::Range kChannelMode       (  4,  7 );
+constexpr A2dpBits::Range kBlockLength       (  8, 11 );
+constexpr A2dpBits::Range kSubbands          ( 12, 13 );
+constexpr A2dpBits::Range kAllocationMethod  ( 14, 15 );
+constexpr A2dpBits::Range kMinimumBitpool    ( 16, 23 );
+constexpr A2dpBits::Range kMaximumBitpool    ( 24, 31 );
+constexpr size_t kCapabilitiesSize = 32/8;
+
+// clang-format on
+
+enum {
+  kSamplingFrequency16000 = kSamplingFrequency.first,
+  kSamplingFrequency32000,
+  kSamplingFrequency44100,
+  kSamplingFrequency48000
+};
+
+enum {
+  kChannelModeMono = kChannelMode.first,
+  kChannelModeDualChannel,
+  kChannelModeStereo,
+  kChannelModeJointStereo
+};
+
+enum {
+  kBlockLength4 = kBlockLength.first,
+  kBlockLength8,
+  kBlockLength12,
+  kBlockLength16
+};
+
+enum { kSubbands8 = kSubbands.first, kSubbands4 };
+
+enum {
+  kAllocationMethodSnr = kAllocationMethod.first,
+  kAllocationMethodLoudness
+};
+
+/**
+ * SBC Conversion functions
+ */
+
+static int GetSamplingFrequencyBit(int32_t sampling_frequency) {
+  switch (sampling_frequency) {
+    case 16000:
+      return kSamplingFrequency16000;
+    case 32000:
+      return kSamplingFrequency32000;
+    case 44100:
+      return kSamplingFrequency44100;
+    case 48000:
+      return kSamplingFrequency48000;
+    default:
+      return -1;
+  }
+}
+
+static int32_t GetSamplingFrequencyValue(int sampling_frequency) {
+  switch (sampling_frequency) {
+    case kSamplingFrequency16000:
+      return 16000;
+    case kSamplingFrequency32000:
+      return 32000;
+    case kSamplingFrequency44100:
+      return 44100;
+    case kSamplingFrequency48000:
+      return 48000;
+    default:
+      return 0;
+  }
+}
+
+static int GetChannelModeBit(ChannelMode channel_mode) {
+  switch (channel_mode) {
+    case ChannelMode::STEREO:
+      return kChannelModeJointStereo | kChannelModeStereo;
+    case ChannelMode::DUALMONO:
+      return kChannelModeDualChannel;
+    case ChannelMode::MONO:
+      return kChannelModeMono;
+    default:
+      return -1;
+  }
+}
+
+static ChannelMode GetChannelModeEnum(int channel_mode) {
+  switch (channel_mode) {
+    case kChannelModeMono:
+      return ChannelMode::MONO;
+    case kChannelModeDualChannel:
+      return ChannelMode::DUALMONO;
+    case kChannelModeStereo:
+    case kChannelModeJointStereo:
+      return ChannelMode::STEREO;
+    default:
+      return ChannelMode::UNKNOWN;
+  }
+}
+
+static int32_t GetBlockLengthValue(int block_length) {
+  switch (block_length) {
+    case kBlockLength4:
+      return 4;
+    case kBlockLength8:
+      return 8;
+    case kBlockLength12:
+      return 12;
+    case kBlockLength16:
+      return 16;
+    default:
+      return 0;
+  }
+}
+
+static int32_t GetSubbandsValue(int subbands) {
+  switch (subbands) {
+    case kSubbands4:
+      return 4;
+    case kSubbands8:
+      return 8;
+    default:
+      return 0;
+  }
+}
+
+static SbcParameters::AllocationMethod GetAllocationMethodEnum(
+    int allocation_method) {
+  switch (allocation_method) {
+    case kAllocationMethodSnr:
+      return SbcParameters::AllocationMethod::SNR;
+    case kAllocationMethodLoudness:
+    default:
+      return SbcParameters::AllocationMethod::LOUDNESS;
+  }
+}
+
+static int32_t GetSamplingFrequencyValue(const A2dpBits& configuration) {
+  return GetSamplingFrequencyValue(
+      configuration.find_active_bit(kSamplingFrequency));
+}
+
+static int32_t GetBlockLengthValue(const A2dpBits& configuration) {
+  return GetBlockLengthValue(configuration.find_active_bit(kBlockLength));
+}
+
+static int32_t GetSubbandsValue(const A2dpBits& configuration) {
+  return GetSubbandsValue(configuration.find_active_bit(kSubbands));
+}
+
+static int GetFrameSize(const A2dpBits& configuration, int bitpool) {
+  const int kSbcHeaderSize = 4;
+  int subbands = GetSubbandsValue(configuration);
+  int blocks = GetBlockLengthValue(configuration);
+
+  unsigned bits =
+      ((4 * subbands) << !configuration.get(kChannelModeMono)) +
+      ((blocks * bitpool) << configuration.get(kChannelModeDualChannel)) +
+      ((configuration.get(kChannelModeJointStereo) ? subbands : 0));
+
+  return kSbcHeaderSize + ((bits + 7) >> 3);
+}
+
+static int GetBitrate(const A2dpBits& configuration, int bitpool) {
+  int sampling_frequency = GetSamplingFrequencyValue(configuration);
+  int subbands = GetSubbandsValue(configuration);
+  int blocks = GetBlockLengthValue(configuration);
+  int bits = 8 * GetFrameSize(configuration, bitpool);
+
+  return (bits * sampling_frequency) / (blocks * subbands);
+}
+
+static uint8_t GetBitpool(const A2dpBits& configuration, int bitrate) {
+  int bitpool = 0;
+
+  for (int i = 128; i; i >>= 1)
+    if (bitrate > GetBitrate(configuration, bitpool + i)) {
+      bitpool += i;
+    }
+
+  return std::clamp(bitpool, 2, 250);
+}
+
+/**
+ * SBC Class implementation
+ */
+
+const A2dpOffloadCodecSbc* A2dpOffloadCodecSbc::GetInstance() {
+  static A2dpOffloadCodecSbc instance;
+  return &instance;
+}
+
+A2dpOffloadCodecSbc::A2dpOffloadCodecSbc()
+    : A2dpOffloadCodec(info_),
+      info_({.id = CodecId(CodecId::A2dp::SBC), .name = "SBC"}) {
+  info_.transport.set<CodecInfo::Transport::Tag::a2dp>();
+  auto& a2dp_info = info_.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  /* --- Setup Capabilities --- */
+
+  a2dp_info.capabilities.resize(kCapabilitiesSize);
+  std::fill(begin(a2dp_info.capabilities), end(a2dp_info.capabilities), 0);
+
+  auto capabilities = A2dpBits(a2dp_info.capabilities);
+
+  capabilities.set(kSamplingFrequency44100, kEnableSamplingFrequency44100);
+  capabilities.set(kSamplingFrequency48000, kEnableSamplingFrequency48000);
+
+  capabilities.set(kChannelModeMono, kEnableChannelModeMono);
+  capabilities.set(kChannelModeDualChannel, kEnableChannelModeDualChannel);
+  capabilities.set(kChannelModeStereo, kEnableChannelModeStereo);
+  capabilities.set(kChannelModeJointStereo, kEnableChannelModeJointStereo);
+
+  capabilities.set(kBlockLength4, kEnableBlockLength4);
+  capabilities.set(kBlockLength8, kEnableBlockLength8);
+  capabilities.set(kBlockLength12, kEnableBlockLength12);
+  capabilities.set(kBlockLength16, kEnableBlockLength16);
+
+  capabilities.set(kSubbands4, kEnableSubbands4);
+  capabilities.set(kSubbands8, kEnableSubbands8);
+
+  capabilities.set(kSubbands4, kEnableSubbands4);
+  capabilities.set(kSubbands8, kEnableSubbands8);
+
+  capabilities.set(kAllocationMethodSnr, kEnableAllocationMethodSnr);
+  capabilities.set(kAllocationMethodLoudness, kEnableAllocationMethodLoudness);
+
+  capabilities.set(kMinimumBitpool, kDefaultMinimumBitpool);
+  capabilities.set(kMaximumBitpool, kDefaultMaximumBitpool);
+
+  /* --- Setup Sampling Frequencies --- */
+
+  auto& sampling_frequency = a2dp_info.samplingFrequencyHz;
+
+  for (auto v : {16000, 32000, 44100, 48000})
+    if (capabilities.get(GetSamplingFrequencyBit(int32_t(v))))
+      sampling_frequency.push_back(v);
+
+  /* --- Setup Channel Modes --- */
+
+  auto& channel_modes = a2dp_info.channelMode;
+
+  for (auto v : {ChannelMode::MONO, ChannelMode::DUALMONO, ChannelMode::STEREO})
+    if (capabilities.get(GetChannelModeBit(v))) channel_modes.push_back(v);
+
+  /* --- Setup Bitdepth --- */
+
+  a2dp_info.bitdepth.push_back(kBitdepth);
+}
+
+A2dpStatus A2dpOffloadCodecSbc::ParseConfiguration(
+    const std::vector<uint8_t>& configuration,
+    CodecParameters* codec_parameters, SbcParameters* sbc_parameters) const {
+  auto& a2dp_info = info.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  if (configuration.size() != a2dp_info.capabilities.size())
+    return A2dpStatus::BAD_LENGTH;
+
+  auto config = A2dpBits(configuration);
+  auto lcaps = A2dpBits(a2dp_info.capabilities);
+
+  /* --- Check Sampling Frequency --- */
+
+  int sampling_frequency = config.find_active_bit(kSamplingFrequency);
+  if (sampling_frequency < 0) return A2dpStatus::INVALID_SAMPLING_FREQUENCY;
+  if (!lcaps.get(sampling_frequency))
+    return A2dpStatus::NOT_SUPPORTED_SAMPLING_FREQUENCY;
+
+  /* --- Check Channel Mode --- */
+
+  int channel_mode = config.find_active_bit(kChannelMode);
+  if (channel_mode < 0) return A2dpStatus::INVALID_CHANNEL_MODE;
+  if (!lcaps.get(channel_mode)) return A2dpStatus::NOT_SUPPORTED_CHANNEL_MODE;
+
+  /* --- Check Block Length --- */
+
+  int block_length = config.find_active_bit(kBlockLength);
+  if (block_length < 0) return A2dpStatus::INVALID_BLOCK_LENGTH;
+
+  /* --- Check Subbands --- */
+
+  int subbands = config.find_active_bit(kSubbands);
+  if (subbands < 0) return A2dpStatus::INVALID_SUBBANDS;
+  if (!lcaps.get(subbands)) return A2dpStatus::NOT_SUPPORTED_SUBBANDS;
+
+  /* --- Check Allocation Method --- */
+
+  int allocation_method = config.find_active_bit(kAllocationMethod);
+  if (allocation_method < 0) return A2dpStatus::INVALID_ALLOCATION_METHOD;
+  if (!lcaps.get(allocation_method))
+    return A2dpStatus::NOT_SUPPORTED_ALLOCATION_METHOD;
+
+  /* --- Check Bitpool --- */
+
+  uint8_t min_bitpool = config.get(kMinimumBitpool);
+  if (min_bitpool < 2 || min_bitpool > 250)
+    return A2dpStatus::INVALID_MINIMUM_BITPOOL_VALUE;
+  if (min_bitpool < lcaps.get(kMinimumBitpool))
+    return A2dpStatus::NOT_SUPPORTED_MINIMUM_BITPOOL_VALUE;
+
+  uint8_t max_bitpool = config.get(kMaximumBitpool);
+  if (max_bitpool < 2 || max_bitpool > 250)
+    return A2dpStatus::INVALID_MAXIMUM_BITPOOL_VALUE;
+  if (max_bitpool > lcaps.get(kMaximumBitpool))
+    return A2dpStatus::NOT_SUPPORTED_MAXIMUM_BITPOOL_VALUE;
+
+  /* --- Return --- */
+
+  codec_parameters->channelMode = GetChannelModeEnum(channel_mode);
+  codec_parameters->samplingFrequencyHz =
+      GetSamplingFrequencyValue(sampling_frequency);
+  codec_parameters->bitdepth = kBitdepth;
+
+  codec_parameters->minBitrate = GetBitrate(config, min_bitpool);
+  codec_parameters->maxBitrate = GetBitrate(config, max_bitpool);
+
+  if (sbc_parameters) {
+    sbc_parameters->block_length = GetBlockLengthValue(block_length);
+    sbc_parameters->subbands = GetSubbandsValue(subbands);
+    sbc_parameters->allocation_method =
+        GetAllocationMethodEnum(allocation_method);
+    sbc_parameters->min_bitpool = min_bitpool;
+    sbc_parameters->max_bitpool = max_bitpool;
+  }
+
+  return A2dpStatus::OK;
+}
+
+bool A2dpOffloadCodecSbc::BuildConfiguration(
+    const std::vector<uint8_t>& remote_capabilities,
+    const std::optional<CodecParameters>& hint,
+    std::vector<uint8_t>* configuration) const {
+  auto& a2dp_info = info.transport.get<CodecInfo::Transport::Tag::a2dp>();
+
+  if (remote_capabilities.size() != a2dp_info.capabilities.size()) return false;
+
+  auto lcaps = A2dpBits(a2dp_info.capabilities);
+  auto rcaps = A2dpBits(remote_capabilities);
+
+  configuration->resize(a2dp_info.capabilities.size());
+  std::fill(begin(*configuration), end(*configuration), 0);
+  auto config = A2dpBits(*configuration);
+
+  /* --- Select Sampling Frequency --- */
+
+  auto sf_hint = hint ? GetSamplingFrequencyBit(hint->samplingFrequencyHz) : -1;
+
+  if (sf_hint >= 0 && lcaps.get(sf_hint) && rcaps.get(sf_hint))
+    config.set(sf_hint);
+  else if (lcaps.get(kSamplingFrequency44100) &&
+           rcaps.get(kSamplingFrequency44100))
+    config.set(kSamplingFrequency44100);
+  else if (lcaps.get(kSamplingFrequency48000) &&
+           rcaps.get(kSamplingFrequency48000))
+    config.set(kSamplingFrequency48000);
+  else
+    return false;
+
+  /* --- Select Channel Mode --- */
+
+  auto cm_hint = hint ? GetChannelModeBit(hint->channelMode) : -1;
+
+  if (cm_hint >= 0 && lcaps.get(cm_hint) && rcaps.get(cm_hint))
+    config.set(cm_hint);
+  else if (lcaps.get(kChannelModeJointStereo) &&
+           rcaps.get(kChannelModeJointStereo))
+    config.set(kChannelModeJointStereo);
+  else if (lcaps.get(kChannelModeStereo) && rcaps.get(kChannelModeStereo))
+    config.set(kChannelModeStereo);
+  else if (lcaps.get(kChannelModeDualChannel) &&
+           rcaps.get(kChannelModeDualChannel))
+    config.set(kChannelModeDualChannel);
+  else if (lcaps.get(kChannelModeMono) && rcaps.get(kChannelModeMono))
+    config.set(kChannelModeMono);
+  else
+    return false;
+
+  /* --- Select Block Length --- */
+
+  if (lcaps.get(kBlockLength16) && rcaps.get(kBlockLength16))
+    config.set(kBlockLength16);
+  else if (lcaps.get(kBlockLength12) && rcaps.get(kBlockLength12))
+    config.set(kBlockLength12);
+  else if (lcaps.get(kBlockLength8) && rcaps.get(kBlockLength8))
+    config.set(kBlockLength8);
+  else if (lcaps.get(kBlockLength4) && rcaps.get(kBlockLength4))
+    config.set(kBlockLength4);
+  else
+    return false;
+
+  /* --- Select Subbands --- */
+
+  if (lcaps.get(kSubbands8) && rcaps.get(kSubbands8))
+    config.set(kSubbands8);
+  else if (lcaps.get(kSubbands4) && rcaps.get(kSubbands4))
+    config.set(kSubbands4);
+  else
+    return false;
+
+  /* --- Select Allocation method --- */
+
+  if (lcaps.get(kAllocationMethodLoudness) &&
+      rcaps.get(kAllocationMethodLoudness))
+    config.set(kAllocationMethodLoudness);
+  else if (lcaps.get(kAllocationMethodSnr) && rcaps.get(kAllocationMethodSnr))
+    config.set(kAllocationMethodSnr);
+  else
+    return false;
+
+  /* --- Select Bitpool --- */
+
+  uint8_t min_bitpool = rcaps.get(kMinimumBitpool);
+  uint8_t max_bitpool = rcaps.get(kMaximumBitpool);
+
+  if (min_bitpool < 2 || min_bitpool > 250 || max_bitpool < 2 ||
+      max_bitpool > 250 || min_bitpool > max_bitpool) {
+    min_bitpool = 2;
+    max_bitpool = 250;
+  }
+
+  min_bitpool = std::max(min_bitpool, uint8_t(lcaps.get(kMinimumBitpool)));
+  max_bitpool = std::max(max_bitpool, uint8_t(lcaps.get(kMaximumBitpool)));
+
+  if (hint) {
+    min_bitpool =
+        std::max(min_bitpool, GetBitpool(*configuration, hint->minBitrate));
+    if (hint->maxBitrate && hint->maxBitrate >= hint->minBitrate)
+      max_bitpool =
+          std::min(max_bitpool, GetBitpool(*configuration, hint->maxBitrate));
+  }
+
+  config.set(kMinimumBitpool, min_bitpool);
+  config.set(kMaximumBitpool, max_bitpool);
+
+  return true;
+}
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h
new file mode 100644
index 0000000..c380850
--- /dev/null
+++ b/bluetooth/audio/aidl/default/A2dpOffloadCodecSbc.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2023 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 "A2dpOffloadCodec.h"
+
+namespace aidl::android::hardware::bluetooth::audio {
+
+struct SbcParameters : public CodecParameters {
+  enum class AllocationMethod { SNR, LOUDNESS };
+
+  AllocationMethod allocation_method;
+  int block_length;
+  int subbands;
+  int min_bitpool;
+  int max_bitpool;
+};
+
+class A2dpOffloadCodecSbc : public A2dpOffloadCodec {
+  CodecInfo info_;
+
+  A2dpOffloadCodecSbc();
+
+  A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+                                CodecParameters* codec_parameters,
+                                SbcParameters* sbc_parameters) const;
+
+ public:
+  static const A2dpOffloadCodecSbc* GetInstance();
+
+  A2dpStatus ParseConfiguration(
+      const std::vector<uint8_t>& configuration,
+      CodecParameters* codec_parameters) const override {
+    return ParseConfiguration(configuration, codec_parameters, nullptr);
+  }
+
+  A2dpStatus ParseConfiguration(const std::vector<uint8_t>& configuration,
+                                SbcParameters* sbc_parameters) const {
+    return ParseConfiguration(configuration, sbc_parameters, sbc_parameters);
+  }
+
+  bool BuildConfiguration(const std::vector<uint8_t>& remote_capabilities,
+                          const std::optional<CodecParameters>& hint,
+                          std::vector<uint8_t>* configuration) const override;
+};
+
+}  // namespace aidl::android::hardware::bluetooth::audio
diff --git a/bluetooth/audio/aidl/default/Android.bp b/bluetooth/audio/aidl/default/Android.bp
index 40aea32..69db1b3 100644
--- a/bluetooth/audio/aidl/default/Android.bp
+++ b/bluetooth/audio/aidl/default/Android.bp
@@ -18,8 +18,13 @@
         "BluetoothAudioProvider.cpp",
         "BluetoothAudioProviderFactory.cpp",
         "A2dpOffloadAudioProvider.cpp",
+        "A2dpOffloadCodecAac.cpp",
+        "A2dpOffloadCodecFactory.cpp",
+        "A2dpOffloadCodecSbc.cpp",
         "A2dpSoftwareAudioProvider.cpp",
         "HearingAidAudioProvider.cpp",
+        "HfpOffloadAudioProvider.cpp",
+        "HfpSoftwareAudioProvider.cpp",
         "LeAudioOffloadAudioProvider.cpp",
         "LeAudioSoftwareAudioProvider.cpp",
         "service.cpp",
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
index f9b18f8..b88e66a 100644
--- a/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
@@ -21,6 +21,8 @@
 #include <BluetoothAudioSessionReport.h>
 #include <android-base/logging.h>
 
+#include "A2dpOffloadCodecFactory.h"
+
 namespace aidl {
 namespace android {
 namespace hardware {
@@ -164,6 +166,27 @@
   return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus BluetoothAudioProvider::parseA2dpConfiguration(
+    [[maybe_unused]] const CodecId& codec_id,
+    [[maybe_unused]] const std::vector<uint8_t>& configuration,
+    [[maybe_unused]] CodecParameters* codec_parameters,
+    [[maybe_unused]] A2dpStatus* _aidl_return) {
+  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+            << " is illegal";
+  return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+}
+
+ndk::ScopedAStatus BluetoothAudioProvider::getA2dpConfiguration(
+    [[maybe_unused]] const std::vector<A2dpRemoteCapabilities>&
+        remote_a2dp_capabilities,
+    [[maybe_unused]] const A2dpConfigurationHint& hint,
+    [[maybe_unused]] std::optional<audio::A2dpConfiguration>* _aidl_return) {
+  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+            << " is illegal";
+
+  return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+}
+
 }  // namespace audio
 }  // namespace bluetooth
 }  // namespace hardware
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProvider.h b/bluetooth/audio/aidl/default/BluetoothAudioProvider.h
index b6e07a1..27ab13f 100644
--- a/bluetooth/audio/aidl/default/BluetoothAudioProvider.h
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProvider.h
@@ -50,6 +50,14 @@
       const AudioConfiguration& audio_config);
   ndk::ScopedAStatus setLowLatencyModeAllowed(bool allowed);
 
+  ndk::ScopedAStatus parseA2dpConfiguration(
+      const CodecId& codec_id, const std::vector<uint8_t>& configuration,
+      CodecParameters* codec_parameters, A2dpStatus* _aidl_return);
+  ndk::ScopedAStatus getA2dpConfiguration(
+      const std::vector<A2dpRemoteCapabilities>& remote_a2dp_capabilities,
+      const A2dpConfigurationHint& hint,
+      std::optional<audio::A2dpConfiguration>* _aidl_return);
+
   virtual bool isValid(const SessionType& sessionType) = 0;
 
  protected:
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp b/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
index 7e928e9..3a64c4d 100644
--- a/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
@@ -22,9 +22,12 @@
 #include <android-base/logging.h>
 
 #include "A2dpOffloadAudioProvider.h"
+#include "A2dpOffloadCodecFactory.h"
 #include "A2dpSoftwareAudioProvider.h"
 #include "BluetoothAudioProvider.h"
 #include "HearingAidAudioProvider.h"
+#include "HfpOffloadAudioProvider.h"
+#include "HfpSoftwareAudioProvider.h"
 #include "LeAudioOffloadAudioProvider.h"
 #include "LeAudioSoftwareAudioProvider.h"
 
@@ -78,6 +81,15 @@
     case SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH:
       provider = ndk::SharedRefBase::make<A2dpOffloadDecodingAudioProvider>();
       break;
+    case SessionType::HFP_SOFTWARE_ENCODING_DATAPATH:
+      provider = ndk::SharedRefBase::make<HfpSoftwareOutputAudioProvider>();
+      break;
+    case SessionType::HFP_SOFTWARE_DECODING_DATAPATH:
+      provider = ndk::SharedRefBase::make<HfpSoftwareInputAudioProvider>();
+      break;
+    case SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH:
+      provider = ndk::SharedRefBase::make<HfpOffloadAudioProvider>();
+      break;
     default:
       provider = nullptr;
       break;
@@ -139,7 +151,14 @@
     SessionType session_type, std::optional<ProviderInfo>* _aidl_return) {
   *_aidl_return = std::nullopt;
 
-  (void)session_type;
+  if (session_type == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
+      session_type == SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH) {
+    auto& provider_info = _aidl_return->emplace();
+
+    provider_info.name = A2dpOffloadCodecFactory::GetInstance()->name;
+    for (auto codec : A2dpOffloadCodecFactory::GetInstance()->codecs)
+      provider_info.codecInfos.push_back(codec->info);
+  }
 
   return ndk::ScopedAStatus::ok();
 }
diff --git a/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.cpp b/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.cpp
new file mode 100644
index 0000000..7196bb6
--- /dev/null
+++ b/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2023 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 "BTAudioProviderHfpHW"
+
+#include "HfpOffloadAudioProvider.h"
+
+#include <BluetoothAudioCodecs.h>
+#include <BluetoothAudioSessionReport.h>
+#include <android-base/logging.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+HfpOffloadAudioProvider::HfpOffloadAudioProvider() {
+  session_type_ = SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH;
+}
+
+bool HfpOffloadAudioProvider::isValid(const SessionType& session_type) {
+  return (session_type == session_type_);
+}
+
+ndk::ScopedAStatus HfpOffloadAudioProvider::startSession(
+    const std::shared_ptr<IBluetoothAudioPort>& host_if,
+    const AudioConfiguration& audio_config,
+    const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return) {
+  if (audio_config.getTag() != AudioConfiguration::hfpConfig) {
+    LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
+                 << audio_config.toString();
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+  return BluetoothAudioProvider::startSession(host_if, audio_config,
+                                              latency_modes, _aidl_return);
+}
+
+ndk::ScopedAStatus HfpOffloadAudioProvider::onSessionReady(
+    DataMQDesc* _aidl_return) {
+  *_aidl_return = DataMQDesc();
+  BluetoothAudioSessionReport::OnSessionStarted(
+      session_type_, stack_iface_, nullptr, *audio_config_, latency_modes_);
+  return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.h b/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.h
new file mode 100644
index 0000000..5526b46
--- /dev/null
+++ b/bluetooth/audio/aidl/default/HfpOffloadAudioProvider.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 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 "BluetoothAudioProvider.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+class HfpOffloadAudioProvider : public BluetoothAudioProvider {
+ public:
+  HfpOffloadAudioProvider();
+
+  bool isValid(const SessionType& sessionType) override;
+
+  ndk::ScopedAStatus startSession(
+      const std::shared_ptr<IBluetoothAudioPort>& host_if,
+      const AudioConfiguration& audio_config,
+      const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return);
+
+ private:
+  ndk::ScopedAStatus onSessionReady(DataMQDesc* _aidl_return) override;
+};
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.cpp b/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.cpp
new file mode 100644
index 0000000..0f96046
--- /dev/null
+++ b/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.cpp
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2023 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 "BTAudioProviderHfpSW"
+
+#include "HfpSoftwareAudioProvider.h"
+
+#include <BluetoothAudioCodecs.h>
+#include <BluetoothAudioSessionReport.h>
+#include <android-base/logging.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+static constexpr uint32_t kBufferCount = 2;  // two frame buffer
+
+HfpSoftwareOutputAudioProvider::HfpSoftwareOutputAudioProvider()
+    : HfpSoftwareAudioProvider() {
+  session_type_ = SessionType::HFP_SOFTWARE_ENCODING_DATAPATH;
+}
+
+HfpSoftwareInputAudioProvider::HfpSoftwareInputAudioProvider()
+    : HfpSoftwareAudioProvider() {
+  session_type_ = SessionType::HFP_SOFTWARE_DECODING_DATAPATH;
+}
+
+HfpSoftwareAudioProvider::HfpSoftwareAudioProvider()
+    : BluetoothAudioProvider(), data_mq_(nullptr) {
+}
+
+bool HfpSoftwareAudioProvider::isValid(const SessionType& sessionType) {
+  return (sessionType == session_type_);
+}
+
+ndk::ScopedAStatus HfpSoftwareAudioProvider::startSession(
+    const std::shared_ptr<IBluetoothAudioPort>& host_if,
+    const AudioConfiguration& audio_config,
+    const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return) {
+  if (audio_config.getTag() != AudioConfiguration::pcmConfig) {
+    LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
+                 << audio_config.toString();
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+  const PcmConfiguration& pcm_config =
+      audio_config.get<AudioConfiguration::pcmConfig>();
+  if (!BluetoothAudioCodecs::IsSoftwarePcmConfigurationValid(pcm_config)) {
+    LOG(WARNING) << __func__ << " - Unsupported PCM Configuration="
+                 << pcm_config.toString();
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+
+  bool isValidConfig = true;
+
+  if (pcm_config.bitsPerSample != 16) {
+    isValidConfig = false;
+  }
+
+  if (pcm_config.sampleRateHz != 8000 && pcm_config.sampleRateHz != 16000 &&
+      pcm_config.sampleRateHz != 32000) {
+    isValidConfig = false;
+  }
+
+  if (pcm_config.channelMode != ChannelMode::MONO) {
+    isValidConfig = false;
+  }
+
+  if (pcm_config.dataIntervalUs != 7500) {
+    isValidConfig = false;
+  }
+
+  int bytes_per_sample = pcm_config.bitsPerSample / 8;
+
+  uint32_t data_mq_size = kBufferCount * bytes_per_sample *
+                          (pcm_config.sampleRateHz / 1000) *
+                          pcm_config.dataIntervalUs / 1000;
+  if (!isValidConfig) {
+    LOG(ERROR) << __func__ << "Unexpected audio buffer size: " << data_mq_size
+               << ", SampleRateHz: " << pcm_config.sampleRateHz
+               << ", ChannelMode: " << toString(pcm_config.channelMode)
+               << ", BitsPerSample: "
+               << static_cast<int>(pcm_config.bitsPerSample)
+               << ", BytesPerSample: " << bytes_per_sample
+               << ", DataIntervalUs: " << pcm_config.dataIntervalUs
+               << ", SessionType: " << toString(session_type_);
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+
+  LOG(INFO) << __func__ << " - size of audio buffer " << data_mq_size
+            << " byte(s)";
+
+  std::unique_ptr<DataMQ> temp_data_mq(
+      new DataMQ(data_mq_size, /* EventFlag */ true));
+  if (temp_data_mq == nullptr || !temp_data_mq->isValid()) {
+    ALOGE_IF(!temp_data_mq, "failed to allocate data MQ");
+    ALOGE_IF(temp_data_mq && !temp_data_mq->isValid(), "data MQ is invalid");
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+  data_mq_ = std::move(temp_data_mq);
+
+  return BluetoothAudioProvider::startSession(host_if, audio_config,
+                                              latency_modes, _aidl_return);
+}
+
+ndk::ScopedAStatus HfpSoftwareAudioProvider::onSessionReady(
+    DataMQDesc* _aidl_return) {
+  if (data_mq_ == nullptr || !data_mq_->isValid()) {
+    *_aidl_return = DataMQDesc();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+  *_aidl_return = data_mq_->dupeDesc();
+  auto desc = data_mq_->dupeDesc();
+  BluetoothAudioSessionReport::OnSessionStarted(
+      session_type_, stack_iface_, &desc, *audio_config_, latency_modes_);
+  return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.h b/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.h
new file mode 100644
index 0000000..ef51065
--- /dev/null
+++ b/bluetooth/audio/aidl/default/HfpSoftwareAudioProvider.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2023 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 "BluetoothAudioProvider.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace audio {
+
+class HfpSoftwareAudioProvider : public BluetoothAudioProvider {
+ public:
+  HfpSoftwareAudioProvider();
+
+  bool isValid(const SessionType& sessionType) override;
+
+  ndk::ScopedAStatus startSession(
+      const std::shared_ptr<IBluetoothAudioPort>& host_if,
+      const AudioConfiguration& audio_config,
+      const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return);
+
+ private:
+  // audio data queue for software encoding
+  std::unique_ptr<DataMQ> data_mq_;
+
+  ndk::ScopedAStatus onSessionReady(DataMQDesc* _aidl_return) override;
+};
+
+class HfpSoftwareOutputAudioProvider : public HfpSoftwareAudioProvider {
+ public:
+  HfpSoftwareOutputAudioProvider();
+};
+
+class HfpSoftwareInputAudioProvider : public HfpSoftwareAudioProvider {
+ public:
+  HfpSoftwareInputAudioProvider();
+};
+
+}  // namespace audio
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
diff --git a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
index 40cd821..17be7be 100644
--- a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
+++ b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
@@ -33,6 +33,11 @@
 
 using aidl::android::hardware::audio::common::SinkMetadata;
 using aidl::android::hardware::audio::common::SourceMetadata;
+using aidl::android::hardware::bluetooth::audio::A2dpConfiguration;
+using aidl::android::hardware::bluetooth::audio::A2dpConfigurationHint;
+using aidl::android::hardware::bluetooth::audio::A2dpRemoteCapabilities;
+using aidl::android::hardware::bluetooth::audio::A2dpStatus;
+using aidl::android::hardware::bluetooth::audio::A2dpStreamConfiguration;
 using aidl::android::hardware::bluetooth::audio::AacCapabilities;
 using aidl::android::hardware::bluetooth::audio::AacConfiguration;
 using aidl::android::hardware::bluetooth::audio::AptxAdaptiveLeCapabilities;
@@ -48,7 +53,9 @@
 using aidl::android::hardware::bluetooth::audio::CodecConfiguration;
 using aidl::android::hardware::bluetooth::audio::CodecId;
 using aidl::android::hardware::bluetooth::audio::CodecInfo;
+using aidl::android::hardware::bluetooth::audio::CodecParameters;
 using aidl::android::hardware::bluetooth::audio::CodecType;
+using aidl::android::hardware::bluetooth::audio::HfpConfiguration;
 using aidl::android::hardware::bluetooth::audio::IBluetoothAudioPort;
 using aidl::android::hardware::bluetooth::audio::IBluetoothAudioProvider;
 using aidl::android::hardware::bluetooth::audio::IBluetoothAudioProviderFactory;
@@ -92,6 +99,13 @@
 static constexpr ChannelMode a2dp_channel_modes[] = {
     ChannelMode::UNKNOWN, ChannelMode::MONO, ChannelMode::STEREO};
 static std::vector<LatencyMode> latency_modes = {LatencyMode::FREE};
+
+// Some valid configs for HFP PCM configuration (software sessions)
+static constexpr int32_t hfp_sample_rates_[] = {8000, 16000, 32000};
+static constexpr int8_t hfp_bits_per_samples_[] = {16};
+static constexpr ChannelMode hfp_channel_modes_[] = {ChannelMode::MONO};
+static constexpr int32_t hfp_data_interval_us_[] = {7500};
+
 // Helpers
 
 template <typename T>
@@ -197,7 +211,8 @@
       case SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH:
-      case SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH: {
+      case SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH:
+      case SessionType::HFP_SOFTWARE_ENCODING_DATAPATH: {
         // All software paths are mandatory and must have exact 1
         // "PcmParameters"
         ASSERT_EQ(temp_provider_capabilities_.size(), 1);
@@ -258,7 +273,8 @@
                     AudioCapabilities::leAudioCapabilities);
         }
       } break;
-      case SessionType::A2DP_SOFTWARE_DECODING_DATAPATH: {
+      case SessionType::A2DP_SOFTWARE_DECODING_DATAPATH:
+      case SessionType::HFP_SOFTWARE_DECODING_DATAPATH: {
         if (!temp_provider_capabilities_.empty()) {
           ASSERT_EQ(temp_provider_capabilities_.size(), 1);
           ASSERT_EQ(temp_provider_capabilities_[0].getTag(),
@@ -298,7 +314,10 @@
                   LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
           session_type ==
               SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH ||
-          session_type == SessionType::A2DP_SOFTWARE_DECODING_DATAPATH);
+          session_type == SessionType::A2DP_SOFTWARE_DECODING_DATAPATH ||
+          session_type == SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH ||
+          session_type == SessionType::HFP_SOFTWARE_DECODING_DATAPATH ||
+          session_type == SessionType::HFP_SOFTWARE_ENCODING_DATAPATH);
       ASSERT_EQ(audio_provider_, nullptr);
     }
   }
@@ -575,6 +594,8 @@
       SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
       SessionType::A2DP_SOFTWARE_DECODING_DATAPATH,
       SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+      SessionType::HFP_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::HFP_SOFTWARE_DECODING_DATAPATH,
   };
 };
 
@@ -692,6 +713,701 @@
   }
 }
 
+class BluetoothAudioProviderAidl : public BluetoothAudioProviderFactoryAidl {
+ protected:
+  std::optional<IBluetoothAudioProviderFactory::ProviderInfo>
+      a2dp_encoding_provider_info_{};
+  std::optional<IBluetoothAudioProviderFactory::ProviderInfo>
+      a2dp_decoding_provider_info_{};
+  std::shared_ptr<IBluetoothAudioProvider> a2dp_encoding_provider_{nullptr};
+  std::shared_ptr<IBluetoothAudioProvider> a2dp_decoding_provider_{nullptr};
+
+ public:
+  void SetUp() override {
+    BluetoothAudioProviderFactoryAidl::SetUp();
+    audio_port_ = ndk::SharedRefBase::make<BluetoothAudioPort>();
+
+    (void)provider_factory_->getProviderInfo(
+        SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+        &a2dp_encoding_provider_info_);
+
+    (void)provider_factory_->getProviderInfo(
+        SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+        &a2dp_decoding_provider_info_);
+
+    (void)provider_factory_->openProvider(
+        SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+        &a2dp_encoding_provider_);
+
+    (void)provider_factory_->openProvider(
+        SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+        &a2dp_decoding_provider_);
+  }
+};
+
+/**
+ * Calling parseA2dpConfiguration on a session of a different type than
+ * A2DP_HARDWARE_OFFLOAD_(ENCODING|DECODING)_DATAPATH must fail.
+ */
+TEST_P(BluetoothAudioProviderAidl, parseA2dpConfiguration_invalidSessionType) {
+  static constexpr SessionType kInvalidSessionTypes[] = {
+      SessionType::UNKNOWN,
+      SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH,
+      SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+      SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+      SessionType::A2DP_SOFTWARE_DECODING_DATAPATH,
+  };
+
+  for (auto session_type : kInvalidSessionTypes) {
+    // Open a BluetoothAudioProvider instance of the selected session type.
+    // Skip validation if the provider cannot be opened.
+    std::shared_ptr<IBluetoothAudioProvider> provider{nullptr};
+    (void)provider_factory_->openProvider(session_type, &provider);
+    if (provider == nullptr) {
+      continue;
+    }
+
+    // parseA2dpConfiguration must fail without returning an A2dpStatus.
+    CodecId codec_id(CodecId::A2dp::SBC);
+    CodecParameters codec_parameters;
+    A2dpStatus a2dp_status = A2dpStatus::OK;
+    auto aidl_retval = provider->parseA2dpConfiguration(
+        codec_id, std::vector<uint8_t>{}, &codec_parameters, &a2dp_status);
+    EXPECT_FALSE(aidl_retval.isOk());
+  }
+}
+
+/**
+ * Calling parseA2dpConfiguration with an unknown codec must fail
+ * with the A2dpStatus code INVALID_CODEC_TYPE or NOT_SUPPORTED_CODEC_TYPE.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       parseA2dpConfiguration_unsupportedCodecType) {
+  CodecId unsupported_core_id(CodecId::Core::CVSD);
+  CodecId unsupported_vendor_id(
+      CodecId::Vendor(0xFCB1, 0x42));  // Google Codec #42
+
+  for (auto& provider : {a2dp_encoding_provider_, a2dp_decoding_provider_}) {
+    if (provider == nullptr) {
+      continue;
+    }
+
+    CodecParameters codec_parameters;
+    A2dpStatus a2dp_status = A2dpStatus::OK;
+    ::ndk::ScopedAStatus aidl_retval;
+
+    // Test with two invalid codec identifiers: vendor or core.
+    aidl_retval = provider->parseA2dpConfiguration(
+        unsupported_core_id, std::vector<uint8_t>{}, &codec_parameters,
+        &a2dp_status);
+    EXPECT_TRUE(!aidl_retval.isOk() ||
+                a2dp_status == A2dpStatus::NOT_SUPPORTED_CODEC_TYPE);
+
+    aidl_retval = provider->parseA2dpConfiguration(
+        unsupported_vendor_id, std::vector<uint8_t>{}, &codec_parameters,
+        &a2dp_status);
+    EXPECT_TRUE(!aidl_retval.isOk() ||
+                a2dp_status == A2dpStatus::NOT_SUPPORTED_CODEC_TYPE);
+  }
+}
+
+/**
+ * Calling parseA2dpConfiguration with a known codec and invalid configuration
+ * must fail with an A2dpStatus code different from INVALID_CODEC_TYPE or
+ * NOT_SUPPORTED_CODEC_TYPE.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       parseA2dpConfiguration_invalidConfiguration) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    CodecParameters codec_parameters;
+    A2dpStatus a2dp_status = A2dpStatus::OK;
+    ::ndk::ScopedAStatus aidl_retval;
+
+    // Test with the first available codec in the provider info for testing.
+    // The test runs with an empty parameters array, anything more specific
+    // would need understanding the codec.
+    aidl_retval = provider->parseA2dpConfiguration(
+        provider_info->codecInfos[0].id, std::vector<uint8_t>{},
+        &codec_parameters, &a2dp_status);
+    ASSERT_TRUE(aidl_retval.isOk());
+    EXPECT_TRUE(a2dp_status != A2dpStatus::OK &&
+                a2dp_status != A2dpStatus::NOT_SUPPORTED_CODEC_TYPE &&
+                a2dp_status != A2dpStatus::INVALID_CODEC_TYPE);
+  }
+}
+
+/**
+ * Calling parseA2dpConfiguration with a known codec and valid parameters
+ * must return with A2dpStatus OK.
+ */
+TEST_P(BluetoothAudioProviderAidl, parseA2dpConfiguration_valid) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    CodecParameters codec_parameters;
+    A2dpStatus a2dp_status = A2dpStatus::OK;
+    ::ndk::ScopedAStatus aidl_retval;
+
+    // Test with the first available codec in the provider info for testing.
+    // To get a valid configuration (the capabilities array in the provider
+    // info is not a selection), getA2dpConfiguration is used with the
+    // selected codec parameters as input.
+    auto const& codec_info = provider_info->codecInfos[0];
+    auto transport = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+    A2dpRemoteCapabilities remote_capabilities(/*seid*/ 0, codec_info.id,
+                                               transport.capabilities);
+    std::optional<A2dpConfiguration> configuration;
+    aidl_retval = provider->getA2dpConfiguration(
+        std::vector<A2dpRemoteCapabilities>{remote_capabilities},
+        A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    ASSERT_TRUE(configuration.has_value());
+
+    aidl_retval = provider->parseA2dpConfiguration(
+        configuration->id, configuration->configuration, &codec_parameters,
+        &a2dp_status);
+    ASSERT_TRUE(aidl_retval.isOk());
+    EXPECT_TRUE(a2dp_status == A2dpStatus::OK);
+    EXPECT_EQ(codec_parameters, configuration->parameters);
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration on a session of a different type than
+ * A2DP_HARDWARE_OFFLOAD_(ENCODING|DECODING)_DATAPATH must fail.
+ */
+TEST_P(BluetoothAudioProviderAidl, getA2dpConfiguration_invalidSessionType) {
+  static constexpr SessionType kInvalidSessionTypes[] = {
+      SessionType::UNKNOWN,
+      SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH,
+      SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+      SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH,
+      SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
+      SessionType::A2DP_SOFTWARE_DECODING_DATAPATH,
+  };
+
+  for (auto session_type : kInvalidSessionTypes) {
+    // Open a BluetoothAudioProvider instance of the selected session type.
+    // Skip validation if the provider cannot be opened.
+    std::shared_ptr<IBluetoothAudioProvider> provider{nullptr};
+    auto aidl_retval = provider_factory_->openProvider(session_type, &provider);
+    if (provider == nullptr) {
+      continue;
+    }
+
+    // getA2dpConfiguration must fail without returning a configuration.
+    std::optional<A2dpConfiguration> configuration;
+    aidl_retval =
+        provider->getA2dpConfiguration(std::vector<A2dpRemoteCapabilities>{},
+                                       A2dpConfigurationHint(), &configuration);
+    EXPECT_FALSE(aidl_retval.isOk());
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with empty or unknown remote capabilities
+ * must return an empty configuration.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       getA2dpConfiguration_unknownRemoteCapabilities) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    std::optional<A2dpConfiguration> configuration;
+    ::ndk::ScopedAStatus aidl_retval;
+
+    // Test with empty remote capabilities.
+    aidl_retval =
+        provider->getA2dpConfiguration(std::vector<A2dpRemoteCapabilities>{},
+                                       A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    EXPECT_FALSE(configuration.has_value());
+
+    // Test with unknown remote capabilities.
+    A2dpRemoteCapabilities unknown_core_remote_capabilities(
+        /*seid*/ 0, CodecId::Core::CVSD, std::vector<uint8_t>{1, 2, 3});
+    A2dpRemoteCapabilities unknown_vendor_remote_capabilities(
+        /*seid*/ 1,
+        /* Google Codec #42 */ CodecId::Vendor(0xFCB1, 0x42),
+        std::vector<uint8_t>{1, 2, 3});
+    aidl_retval = provider->getA2dpConfiguration(
+        std::vector<A2dpRemoteCapabilities>{
+            unknown_core_remote_capabilities,
+            unknown_vendor_remote_capabilities,
+        },
+        A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    EXPECT_FALSE(configuration.has_value());
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with invalid remote capabilities
+ * must return an empty configuration.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       getA2dpConfiguration_invalidRemoteCapabilities) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    std::optional<A2dpConfiguration> configuration;
+    ::ndk::ScopedAStatus aidl_retval;
+
+    // Use the first available codec in the provider info for testing.
+    // The capabilities are modified to make them invalid.
+    auto const& codec_info = provider_info->codecInfos[0];
+    auto transport = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+    std::vector<uint8_t> invalid_capabilities = transport.capabilities;
+    invalid_capabilities.push_back(0x42);  // adding bytes should be invalid.
+    aidl_retval = provider->getA2dpConfiguration(
+        std::vector<A2dpRemoteCapabilities>{
+            A2dpRemoteCapabilities(/*seid*/ 0, codec_info.id,
+                                   std::vector<uint8_t>()),
+            A2dpRemoteCapabilities(/*seid*/ 1, codec_info.id,
+                                   invalid_capabilities),
+        },
+        A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    EXPECT_FALSE(configuration.has_value());
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with valid remote capabilities
+ * must return a valid configuration. The selected parameters must
+ * be contained in the original capabilities. The returned configuration
+ * must match the returned parameters. The returned SEID must match the
+ * input SEID.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       getA2dpConfiguration_validRemoteCapabilities) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Test with all available codecs in the provider info.
+    for (auto const& codec_info : provider_info->codecInfos) {
+      auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      aidl_retval = provider->getA2dpConfiguration(
+          std::vector<A2dpRemoteCapabilities>{
+              A2dpRemoteCapabilities(/*seid*/ 42, codec_info.id,
+                                     a2dp_info.capabilities),
+          },
+          A2dpConfigurationHint(), &configuration);
+
+      ASSERT_TRUE(aidl_retval.isOk());
+      ASSERT_TRUE(configuration.has_value());
+
+      // Returned configuration must have the same codec id
+      // as the remote capability.
+      EXPECT_EQ(configuration->id, codec_info.id);
+
+      // Returned configuration must have the same SEID
+      // as the remote capability.
+      EXPECT_EQ(configuration->remoteSeid, 42);
+
+      // Returned codec parameters must be in the range of input
+      // parameters.
+      EXPECT_NE(
+          std::find(a2dp_info.channelMode.begin(), a2dp_info.channelMode.end(),
+                    configuration->parameters.channelMode),
+          a2dp_info.channelMode.end());
+      EXPECT_NE(std::find(a2dp_info.samplingFrequencyHz.begin(),
+                          a2dp_info.samplingFrequencyHz.end(),
+                          configuration->parameters.samplingFrequencyHz),
+                a2dp_info.samplingFrequencyHz.end());
+      EXPECT_NE(std::find(a2dp_info.bitdepth.begin(), a2dp_info.bitdepth.end(),
+                          configuration->parameters.bitdepth),
+                a2dp_info.bitdepth.end());
+      EXPECT_EQ(a2dp_info.lossless, configuration->parameters.lossless);
+      EXPECT_TRUE(configuration->parameters.minBitrate <=
+                  configuration->parameters.maxBitrate);
+
+      // Returned configuration must be parsable by parseA2dpParameters
+      // and match the codec parameters.
+      CodecParameters codec_parameters;
+      A2dpStatus a2dp_status = A2dpStatus::OK;
+      aidl_retval = provider->parseA2dpConfiguration(
+          configuration->id, configuration->configuration, &codec_parameters,
+          &a2dp_status);
+      ASSERT_TRUE(aidl_retval.isOk());
+      EXPECT_TRUE(a2dp_status == A2dpStatus::OK);
+      EXPECT_EQ(codec_parameters, configuration->parameters);
+    }
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with valid remote capabilities
+ * with various hinted codec ids.
+ */
+TEST_P(BluetoothAudioProviderAidl, getA2dpConfiguration_hintCodecId) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Build the remote capabilities with all supported codecs.
+    std::vector<A2dpRemoteCapabilities> remote_capabilities;
+    for (size_t n = 0; n < provider_info->codecInfos.size(); n++) {
+      auto const& codec_info = provider_info->codecInfos[n];
+      auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+      remote_capabilities.push_back(A2dpRemoteCapabilities(
+          /*seid*/ n, codec_info.id, a2dp_info.capabilities));
+    }
+
+    // Test with all supported codec identifiers,
+    for (auto const& codec_info : provider_info->codecInfos) {
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      A2dpConfigurationHint hint;
+      hint.codecId = codec_info.id;
+
+      aidl_retval = provider->getA2dpConfiguration(remote_capabilities, hint,
+                                                   &configuration);
+
+      ASSERT_TRUE(aidl_retval.isOk());
+      ASSERT_TRUE(configuration.has_value());
+      EXPECT_EQ(configuration->id, codec_info.id);
+    }
+
+    // Test with unknown codec identifiers: either core or vendor.
+    for (auto& codec_id :
+         {CodecId(CodecId::Core::CVSD),
+          CodecId(CodecId::Vendor(0xFCB1, 0x42)) /*Google Codec #42*/}) {
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      A2dpConfigurationHint hint;
+      hint.codecId = codec_id;
+
+      aidl_retval = provider->getA2dpConfiguration(remote_capabilities, hint,
+                                                   &configuration);
+
+      ASSERT_TRUE(aidl_retval.isOk());
+      ASSERT_TRUE(configuration.has_value());
+      EXPECT_NE(configuration->id, codec_id);
+    }
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with valid remote capabilities
+ * with various hinted channel modes.
+ */
+TEST_P(BluetoothAudioProviderAidl, getA2dpConfiguration_hintChannelMode) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Test with all available codecs in the provider info.
+    for (auto const& codec_info : provider_info->codecInfos) {
+      auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      for (auto& channel_mode :
+           {ChannelMode::STEREO, ChannelMode::MONO, ChannelMode::DUALMONO}) {
+        // Add the hint for the channel mode.
+        A2dpConfigurationHint hint;
+        auto& codec_parameters = hint.codecParameters.emplace();
+        codec_parameters.channelMode = channel_mode;
+
+        aidl_retval = provider->getA2dpConfiguration(
+            std::vector<A2dpRemoteCapabilities>{
+                A2dpRemoteCapabilities(/*seid*/ 42, codec_info.id,
+                                       a2dp_info.capabilities),
+            },
+            hint, &configuration);
+
+        ASSERT_TRUE(aidl_retval.isOk());
+        ASSERT_TRUE(configuration.has_value());
+
+        // The hint must be ignored if the channel mode is not supported
+        // by the codec, and applied otherwise.
+        ASSERT_EQ(configuration->parameters.channelMode == channel_mode,
+                  std::find(a2dp_info.channelMode.begin(),
+                            a2dp_info.channelMode.end(),
+                            channel_mode) != a2dp_info.channelMode.end());
+      }
+    }
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with valid remote capabilities
+ * with various hinted sampling frequencies.
+ */
+TEST_P(BluetoothAudioProviderAidl,
+       getA2dpConfiguration_hintSamplingFrequencyHz) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Test with all available codecs in the provider info.
+    for (auto const& codec_info : provider_info->codecInfos) {
+      auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      for (auto& sampling_frequency_hz : {
+               0,
+               1,
+               8000,
+               16000,
+               24000,
+               32000,
+               44100,
+               48000,
+               88200,
+               96000,
+               176400,
+               192000,
+           }) {
+        // Add the hint for the sampling frequency.
+        A2dpConfigurationHint hint;
+        auto& codec_parameters = hint.codecParameters.emplace();
+        codec_parameters.samplingFrequencyHz = sampling_frequency_hz;
+
+        aidl_retval = provider->getA2dpConfiguration(
+            std::vector<A2dpRemoteCapabilities>{
+                A2dpRemoteCapabilities(/*seid*/ 42, codec_info.id,
+                                       a2dp_info.capabilities),
+            },
+            hint, &configuration);
+
+        ASSERT_TRUE(aidl_retval.isOk());
+        ASSERT_TRUE(configuration.has_value());
+
+        // The hint must be ignored if the sampling frequency is not supported
+        // by the codec, and applied otherwise.
+        ASSERT_EQ(configuration->parameters.samplingFrequencyHz ==
+                      sampling_frequency_hz,
+                  std::find(a2dp_info.samplingFrequencyHz.begin(),
+                            a2dp_info.samplingFrequencyHz.end(),
+                            sampling_frequency_hz) !=
+                      a2dp_info.samplingFrequencyHz.end());
+      }
+    }
+  }
+}
+
+/**
+ * Calling getA2dpConfiguration with valid remote capabilities
+ * with various hinted sampling bit-depths.
+ */
+TEST_P(BluetoothAudioProviderAidl, getA2dpConfiguration_hintBitdepth) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Test with all available codecs in the provider info.
+    for (auto const& codec_info : provider_info->codecInfos) {
+      auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+      std::optional<A2dpConfiguration> configuration{};
+      ::ndk::ScopedAStatus aidl_retval;
+
+      for (auto& bitdepth : {0, 1, 16, 24, 32}) {
+        // Add the hint for the bit depth.
+        A2dpConfigurationHint hint;
+        auto& codec_parameters = hint.codecParameters.emplace();
+        codec_parameters.bitdepth = bitdepth;
+
+        aidl_retval = provider->getA2dpConfiguration(
+            std::vector<A2dpRemoteCapabilities>{
+                A2dpRemoteCapabilities(/*seid*/ 42, codec_info.id,
+                                       a2dp_info.capabilities),
+            },
+            hint, &configuration);
+
+        ASSERT_TRUE(aidl_retval.isOk());
+        ASSERT_TRUE(configuration.has_value());
+
+        // The hint must be ignored if the bitdepth is not supported
+        // by the codec, and applied otherwise.
+        ASSERT_EQ(
+            configuration->parameters.bitdepth == bitdepth,
+            std::find(a2dp_info.bitdepth.begin(), a2dp_info.bitdepth.end(),
+                      bitdepth) != a2dp_info.bitdepth.end());
+      }
+    }
+  }
+}
+
+/**
+ * Calling startSession with an unknown codec id must fail.
+ */
+TEST_P(BluetoothAudioProviderAidl, startSession_unknownCodecId) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    for (auto& codec_id :
+         {CodecId(CodecId::Core::CVSD),
+          CodecId(CodecId::Vendor(0xFCB1, 0x42) /*Google Codec #42*/)}) {
+      A2dpStreamConfiguration a2dp_config;
+      DataMQDesc data_mq_desc;
+
+      a2dp_config.codecId = codec_id;
+      a2dp_config.configuration = std::vector<uint8_t>{1, 2, 3};
+
+      auto aidl_retval =
+          provider->startSession(audio_port_, AudioConfiguration(a2dp_config),
+                                 std::vector<LatencyMode>{}, &data_mq_desc);
+
+      EXPECT_FALSE(aidl_retval.isOk());
+    }
+  }
+}
+
+/**
+ * Calling startSession with a known codec and a valid configuration
+ * must succeed.
+ */
+TEST_P(BluetoothAudioProviderAidl, startSession_valid) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Use the first available codec in the provider info for testing.
+    // To get a valid configuration (the capabilities array in the provider
+    // info is not a selection), getA2dpConfiguration is used with the
+    // selected codec parameters as input.
+    auto const& codec_info = provider_info->codecInfos[0];
+    auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+    ::ndk::ScopedAStatus aidl_retval;
+    A2dpRemoteCapabilities remote_capabilities(/*seid*/ 0, codec_info.id,
+                                               a2dp_info.capabilities);
+    std::optional<A2dpConfiguration> configuration;
+    aidl_retval = provider->getA2dpConfiguration(
+        std::vector<A2dpRemoteCapabilities>{remote_capabilities},
+        A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    ASSERT_TRUE(configuration.has_value());
+
+    // Build the stream configuration.
+    A2dpStreamConfiguration a2dp_config;
+    DataMQDesc data_mq_desc;
+
+    a2dp_config.codecId = codec_info.id;
+    a2dp_config.configuration = configuration->configuration;
+
+    aidl_retval =
+        provider->startSession(audio_port_, AudioConfiguration(a2dp_config),
+                               std::vector<LatencyMode>{}, &data_mq_desc);
+
+    EXPECT_TRUE(aidl_retval.isOk());
+  }
+}
+
+/**
+ * Calling startSession with a known codec but an invalid configuration
+ * must fail.
+ */
+TEST_P(BluetoothAudioProviderAidl, startSession_invalidConfiguration) {
+  for (auto& [provider, provider_info] :
+       {std::pair(a2dp_encoding_provider_, a2dp_encoding_provider_info_),
+        std::pair(a2dp_decoding_provider_, a2dp_decoding_provider_info_)}) {
+    if (provider == nullptr || !provider_info.has_value() ||
+        provider_info->codecInfos.empty()) {
+      continue;
+    }
+
+    // Use the first available codec in the provider info for testing.
+    // To get a valid configuration (the capabilities array in the provider
+    // info is not a selection), getA2dpConfiguration is used with the
+    // selected codec parameters as input.
+    ::ndk::ScopedAStatus aidl_retval;
+    auto const& codec_info = provider_info->codecInfos[0];
+    auto a2dp_info = codec_info.transport.get<CodecInfo::Transport::a2dp>();
+    A2dpRemoteCapabilities remote_capabilities(/*seid*/ 0, codec_info.id,
+                                               a2dp_info.capabilities);
+    std::optional<A2dpConfiguration> configuration;
+    aidl_retval = provider->getA2dpConfiguration(
+        std::vector<A2dpRemoteCapabilities>{remote_capabilities},
+        A2dpConfigurationHint(), &configuration);
+    ASSERT_TRUE(aidl_retval.isOk());
+    ASSERT_TRUE(configuration.has_value());
+
+    // Build the stream configuration but edit the configuration bytes
+    // to make it invalid.
+    A2dpStreamConfiguration a2dp_config;
+    DataMQDesc data_mq_desc;
+
+    a2dp_config.codecId = codec_info.id;
+    a2dp_config.configuration = configuration->configuration;
+    a2dp_config.configuration.push_back(42);
+
+    aidl_retval =
+        provider->startSession(audio_port_, AudioConfiguration(a2dp_config),
+                               std::vector<LatencyMode>{}, &data_mq_desc);
+
+    EXPECT_FALSE(aidl_retval.isOk());
+  }
+}
+
 /**
  * openProvider A2DP_SOFTWARE_ENCODING_DATAPATH
  */
@@ -751,6 +1467,137 @@
 }
 
 /**
+ * openProvider HFP_SOFTWARE_ENCODING_DATAPATH
+ */
+class BluetoothAudioProviderHfpSoftwareEncodingAidl
+    : public BluetoothAudioProviderFactoryAidl {
+ public:
+  virtual void SetUp() override {
+    BluetoothAudioProviderFactoryAidl::SetUp();
+    GetProviderCapabilitiesHelper(SessionType::HFP_SOFTWARE_ENCODING_DATAPATH);
+    OpenProviderHelper(SessionType::HFP_SOFTWARE_ENCODING_DATAPATH);
+    ASSERT_NE(audio_provider_, nullptr);
+  }
+
+  virtual void TearDown() override {
+    audio_port_ = nullptr;
+    audio_provider_ = nullptr;
+    BluetoothAudioProviderFactoryAidl::TearDown();
+  }
+
+  bool OpenSession(int32_t sample_rate, int8_t bits_per_sample,
+                      ChannelMode channel_mode, int32_t data_interval_us) {
+    PcmConfiguration pcm_config{
+        .sampleRateHz = sample_rate,
+        .channelMode = channel_mode,
+        .bitsPerSample = bits_per_sample,
+        .dataIntervalUs = data_interval_us,
+    };
+    // Checking against provider capability from getProviderCapabilities
+    // For HFP software, it's
+    // BluetoothAudioCodecs::GetSoftwarePcmCapabilities();
+    DataMQDesc mq_desc;
+    auto aidl_retval = audio_provider_->startSession(
+        audio_port_, AudioConfiguration(pcm_config), latency_modes, &mq_desc);
+    DataMQ data_mq(mq_desc);
+
+    if (!aidl_retval.isOk()) return false;
+    if (!data_mq.isValid()) return false;
+    return true;
+  }
+};
+
+/**
+ * Test whether we can open a provider of type
+ */
+TEST_P(BluetoothAudioProviderHfpSoftwareEncodingAidl,
+       OpenHfpSoftwareEncodingProvider) {}
+
+/**
+ * Test whether each provider of type
+ * SessionType::HFP_SOFTWARE_ENCODING_DATAPATH can be started and stopped with
+ * different PCM config
+ */
+TEST_P(BluetoothAudioProviderHfpSoftwareEncodingAidl,
+       StartAndEndHfpEncodingSoftwareSessionWithPossiblePcmConfig) {
+  for (auto sample_rate : hfp_sample_rates_) {
+    for (auto bits_per_sample : hfp_bits_per_samples_) {
+      for (auto channel_mode : hfp_channel_modes_) {
+        for (auto data_interval_us: hfp_data_interval_us_) {
+          EXPECT_TRUE(OpenSession(sample_rate, bits_per_sample,
+                      channel_mode, data_interval_us));
+          EXPECT_TRUE(audio_provider_->endSession().isOk());
+        }
+      }
+    }
+  }
+}
+
+/**
+ * openProvider HFP_SOFTWARE_DECODING_DATAPATH
+ */
+class BluetoothAudioProviderHfpSoftwareDecodingAidl
+    : public BluetoothAudioProviderFactoryAidl {
+ public:
+  virtual void SetUp() override {
+    BluetoothAudioProviderFactoryAidl::SetUp();
+    GetProviderCapabilitiesHelper(SessionType::HFP_SOFTWARE_DECODING_DATAPATH);
+    OpenProviderHelper(SessionType::HFP_SOFTWARE_DECODING_DATAPATH);
+    ASSERT_NE(audio_provider_, nullptr);
+  }
+
+  virtual void TearDown() override {
+    audio_port_ = nullptr;
+    audio_provider_ = nullptr;
+    BluetoothAudioProviderFactoryAidl::TearDown();
+  }
+
+  bool OpenSession(int32_t sample_rate, int8_t bits_per_sample,
+                      ChannelMode channel_mode, int32_t data_interval_us) {
+    PcmConfiguration pcm_config{
+        .sampleRateHz = sample_rate,
+        .channelMode = channel_mode,
+        .bitsPerSample = bits_per_sample,
+        .dataIntervalUs = data_interval_us,
+    };
+    DataMQDesc mq_desc;
+    auto aidl_retval = audio_provider_->startSession(
+        audio_port_, AudioConfiguration(pcm_config), latency_modes, &mq_desc);
+    DataMQ data_mq(mq_desc);
+
+    if (!aidl_retval.isOk()) return false;
+    if (!data_mq.isValid()) return false;
+    return true;
+  }
+};
+
+/**
+ * Test whether we can open a provider of type
+ */
+TEST_P(BluetoothAudioProviderHfpSoftwareDecodingAidl,
+       OpenHfpSoftwareDecodingProvider) {}
+
+/**
+ * Test whether each provider of type
+ * SessionType::HFP_SOFTWARE_DECODING_DATAPATH can be started and stopped with
+ * different PCM config
+ */
+TEST_P(BluetoothAudioProviderHfpSoftwareDecodingAidl,
+       StartAndEndHfpDecodingSoftwareSessionWithPossiblePcmConfig) {
+  for (auto sample_rate : hfp_sample_rates_) {
+    for (auto bits_per_sample : hfp_bits_per_samples_) {
+      for (auto channel_mode : hfp_channel_modes_) {
+        for (auto data_interval_us: hfp_data_interval_us_) {
+            EXPECT_TRUE(OpenSession(sample_rate, bits_per_sample,
+                        channel_mode, data_interval_us));
+            EXPECT_TRUE(audio_provider_->endSession().isOk());
+        }
+      }
+    }
+  }
+}
+
+/**
  * openProvider A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH
  */
 class BluetoothAudioProviderA2dpEncodingHardwareAidl
@@ -1003,6 +1850,62 @@
 }
 
 /**
+ * openProvider HFP_HARDWARE_OFFLOAD_DATAPATH
+ */
+class BluetoothAudioProviderHfpHardwareAidl
+    : public BluetoothAudioProviderFactoryAidl {
+ public:
+  virtual void SetUp() override {
+    BluetoothAudioProviderFactoryAidl::SetUp();
+    OpenProviderHelper(SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH);
+    // Can open or empty capability
+    ASSERT_TRUE(temp_provider_capabilities_.empty() ||
+                audio_provider_ != nullptr);
+  }
+
+  virtual void TearDown() override {
+    audio_port_ = nullptr;
+    audio_provider_ = nullptr;
+    BluetoothAudioProviderFactoryAidl::TearDown();
+  }
+
+  bool OpenSession(CodecId codec_id, int connection_handle, bool nrec,
+                      bool controller_codec) {
+    // Check if can open session with a Hfp configuration
+    HfpConfiguration hfp_configuration{
+        .codecId = codec_id,
+        .connectionHandle = connection_handle,
+        .nrec = nrec,
+        .controllerCodec = controller_codec,
+    };
+    DataMQDesc mq_desc;
+    auto aidl_retval = audio_provider_->startSession(
+        audio_port_, AudioConfiguration(hfp_configuration), latency_modes,
+        &mq_desc);
+
+    // Only check if aidl is ok to start session.
+    return aidl_retval.isOk();
+  }
+};
+
+/**
+ * Test whether we can open a provider of type
+ */
+TEST_P(BluetoothAudioProviderHfpHardwareAidl, OpenHfpHardwareProvider) {}
+
+/**
+ * Test whether each provider of type
+ * SessionType::HFP_SOFTWARE_DECODING_DATAPATH can be started and stopped with
+ * different HFP config
+ */
+TEST_P(BluetoothAudioProviderHfpHardwareAidl,
+       StartAndEndHfpHardwareSessionWithPossiblePcmConfig) {
+  // Try to open with a sample configuration
+  EXPECT_TRUE(OpenSession(CodecId::Core::CVSD, 6, false, true));
+  EXPECT_TRUE(audio_provider_->endSession().isOk());
+}
+
+/**
  * openProvider HEARING_AID_SOFTWARE_ENCODING_DATAPATH
  */
 class BluetoothAudioProviderHearingAidSoftwareAidl
@@ -2191,6 +3094,12 @@
                              IBluetoothAudioProviderFactory::descriptor)),
                          android::PrintInstanceNameToString);
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(BluetoothAudioProviderAidl);
+INSTANTIATE_TEST_SUITE_P(PerInstance, BluetoothAudioProviderAidl,
+                         testing::ValuesIn(android::getAidlHalInstanceNames(
+                             IBluetoothAudioProviderFactory::descriptor)),
+                         android::PrintInstanceNameToString);
+
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
     BluetoothAudioProviderA2dpEncodingSoftwareAidl);
 INSTANTIATE_TEST_SUITE_P(PerInstance,
@@ -2279,6 +3188,29 @@
                              IBluetoothAudioProviderFactory::descriptor)),
                          android::PrintInstanceNameToString);
 
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
+    BluetoothAudioProviderHfpHardwareAidl);
+INSTANTIATE_TEST_SUITE_P(PerInstance, BluetoothAudioProviderHfpHardwareAidl,
+                         testing::ValuesIn(android::getAidlHalInstanceNames(
+                             IBluetoothAudioProviderFactory::descriptor)),
+                         android::PrintInstanceNameToString);
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
+    BluetoothAudioProviderHfpSoftwareDecodingAidl);
+INSTANTIATE_TEST_SUITE_P(PerInstance,
+                         BluetoothAudioProviderHfpSoftwareDecodingAidl,
+                         testing::ValuesIn(android::getAidlHalInstanceNames(
+                             IBluetoothAudioProviderFactory::descriptor)),
+                         android::PrintInstanceNameToString);
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
+    BluetoothAudioProviderHfpSoftwareEncodingAidl);
+INSTANTIATE_TEST_SUITE_P(PerInstance,
+                         BluetoothAudioProviderHfpSoftwareEncodingAidl,
+                         testing::ValuesIn(android::getAidlHalInstanceNames(
+                             IBluetoothAudioProviderFactory::descriptor)),
+                         android::PrintInstanceNameToString);
+
 int main(int argc, char** argv) {
   ::testing::InitGoogleTest(&argc, argv);
   ABinderProcess_setThreadPoolMaxThreadCount(1);
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
index b4cba49..6e15b3b 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
@@ -41,7 +41,7 @@
 namespace audio {
 
 static const PcmCapabilities kDefaultSoftwarePcmCapabilities = {
-    .sampleRateHz = {16000, 24000, 32000, 44100, 48000, 88200, 96000},
+    .sampleRateHz = {8000, 16000, 24000, 32000, 44100, 48000, 88200, 96000},
     .channelMode = {ChannelMode::MONO, ChannelMode::STEREO},
     .bitsPerSample = {16, 24, 32},
     .dataIntervalUs = {},
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
index c283148..3519ace 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
@@ -95,6 +95,8 @@
       case SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(CodecConfiguration{});
+      case SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH:
+        return AudioConfiguration(HfpConfiguration{});
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(LeAudioConfiguration{});
@@ -154,6 +156,7 @@
        session_type_ ==
            SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
        session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH ||
+       session_type_ == SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH ||
        (data_mq_ != nullptr && data_mq_->isValid()));
   return stack_iface_ != nullptr && is_mq_valid && audio_config_ != nullptr;
 }
@@ -275,6 +278,8 @@
   bool is_software_session =
       (session_type_ == SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH ||
        session_type_ == SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH ||
+       session_type_ == SessionType::HFP_SOFTWARE_ENCODING_DATAPATH ||
+       session_type_ == SessionType::HFP_SOFTWARE_DECODING_DATAPATH ||
        session_type_ == SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH ||
        session_type_ == SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH ||
        session_type_ ==
@@ -283,6 +288,8 @@
   bool is_offload_a2dp_session =
       (session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
        session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH);
+  bool is_offload_hfp_session =
+      session_type_ == SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH;
   bool is_offload_le_audio_unicast_session =
       (session_type_ ==
            SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
@@ -297,7 +304,11 @@
        audio_config_tag == AudioConfiguration::pcmConfig);
   bool is_a2dp_offload_audio_config =
       (is_offload_a2dp_session &&
-       audio_config_tag == AudioConfiguration::a2dpConfig);
+       (audio_config_tag == AudioConfiguration::a2dp ||
+        audio_config_tag == AudioConfiguration::a2dpConfig));
+  bool is_hfp_offload_audio_config =
+      (is_offload_hfp_session &&
+       audio_config_tag == AudioConfiguration::hfpConfig);
   bool is_le_audio_offload_unicast_audio_config =
       (is_offload_le_audio_unicast_session &&
        audio_config_tag == AudioConfiguration::leAudioConfig);
@@ -305,6 +316,7 @@
       (is_offload_le_audio_broadcast_session &&
        audio_config_tag == AudioConfiguration::leAudioBroadcastConfig);
   if (!is_software_audio_config && !is_a2dp_offload_audio_config &&
+      !is_hfp_offload_audio_config &&
       !is_le_audio_offload_unicast_audio_config &&
       !is_le_audio_offload_broadcast_audio_config) {
     return false;
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
index 7ae0353..5263222 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
@@ -84,6 +84,8 @@
       case SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::A2DP_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(CodecConfiguration{});
+      case SessionType::HFP_HARDWARE_OFFLOAD_DATAPATH:
+        return AudioConfiguration(HfpConfiguration{});
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(LeAudioConfiguration{});
diff --git a/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp b/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
index 3d92ee7..fd12a6e 100644
--- a/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
+++ b/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
@@ -467,6 +467,8 @@
       hidl_audio_config.codecConfig(to_hidl_codec_config_2_0(
           audio_config.get<AudioConfiguration::a2dpConfig>()));
       break;
+    case AudioConfiguration::a2dp:
+      break;
     case AudioConfiguration::leAudioConfig:
       hidl_audio_config.leAudioCodecConfig(to_hidl_leaudio_config_2_1(
           audio_config.get<AudioConfiguration::leAudioConfig>()));
@@ -475,6 +477,8 @@
       hidl_audio_config.leAudioCodecConfig(to_hidl_leaudio_broadcast_config_2_1(
           audio_config.get<AudioConfiguration::leAudioBroadcastConfig>()));
       break;
+    default:
+      LOG(FATAL) << __func__ << ": unexpected AudioConfiguration";
   }
   return hidl_audio_config;
 }
diff --git a/bluetooth/finder/aidl/default/bluetooth-finder-service-default.rc b/bluetooth/finder/aidl/default/bluetooth-finder-service-default.rc
index fea07f0..64bbf09 100644
--- a/bluetooth/finder/aidl/default/bluetooth-finder-service-default.rc
+++ b/bluetooth/finder/aidl/default/bluetooth-finder-service-default.rc
@@ -1,4 +1,4 @@
-service vendor.bluetooth.finder-default /vendor/bin/hw/android.hardware.bluetooth.finder.default
+service vendor.bluetooth.finder-default /vendor/bin/hw/android.hardware.bluetooth.finder-service.default
     class hal
     capabilities BLOCK_SUSPEND NET_ADMIN SYS_NICE
     user bluetooth
diff --git a/camera/device/aidl/aidl_api/android.hardware.camera.device/current/android/hardware/camera/device/ICameraDevice.aidl b/camera/device/aidl/aidl_api/android.hardware.camera.device/current/android/hardware/camera/device/ICameraDevice.aidl
index 903ef60..f73483a 100644
--- a/camera/device/aidl/aidl_api/android.hardware.camera.device/current/android/hardware/camera/device/ICameraDevice.aidl
+++ b/camera/device/aidl/aidl_api/android.hardware.camera.device/current/android/hardware/camera/device/ICameraDevice.aidl
@@ -45,4 +45,5 @@
   int getTorchStrengthLevel();
   android.hardware.camera.device.CameraMetadata constructDefaultRequestSettings(in android.hardware.camera.device.RequestTemplate type);
   boolean isStreamCombinationWithSettingsSupported(in android.hardware.camera.device.StreamConfiguration streams);
+  android.hardware.camera.device.CameraMetadata getSessionCharacteristics(in android.hardware.camera.device.StreamConfiguration sessionConfig);
 }
diff --git a/camera/device/aidl/android/hardware/camera/device/ICameraDevice.aidl b/camera/device/aidl/android/hardware/camera/device/ICameraDevice.aidl
index a2bdd59..3a1d762 100644
--- a/camera/device/aidl/android/hardware/camera/device/ICameraDevice.aidl
+++ b/camera/device/aidl/android/hardware/camera/device/ICameraDevice.aidl
@@ -435,4 +435,34 @@
      *
      */
     boolean isStreamCombinationWithSettingsSupported(in StreamConfiguration streams);
+
+    /**
+     * getSessionCharacteristics
+     *
+     * Gets the session characteristics associated with a particular session
+     * configuration by the CameraDevice.
+     *
+     * For Android 15, the characteristics which need to be set are:
+     *   - ANDROID_CONTROL_ZOOM_RATIO_RANGE
+     *
+     * A service specific error will be returned on the following conditions
+     *     INTERNAL_ERROR:
+     *         The camera device cannot be opened due to an internal
+     *         error.
+     *     CAMERA_DISCONNECTED:
+     *         An external camera device has been disconnected, and is no longer
+     *         available. This camera device interface is now stale, and a new
+     *         instance must be acquired if the device is reconnected. All
+     *         subsequent calls on this interface must return
+     *         CAMERA_DISCONNECTED.
+     *     ILLEGAL_ARGUMENT:
+     *         If the given session configuration is not supported.
+     *
+     * @param sessionConfig: The session configuration for which the
+     * characteristics are being fetched.
+     *
+     * @return The static metadata for this particular session config, or an
+     * empty metadata structure if a service specific error is returned.
+     */
+    CameraMetadata getSessionCharacteristics(in StreamConfiguration sessionConfig);
 }
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
index b04e486..542b296 100644
--- a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
@@ -98,6 +98,8 @@
   ANDROID_CONTROL_AUTOFRAMING,
   ANDROID_CONTROL_AUTOFRAMING_AVAILABLE,
   ANDROID_CONTROL_AUTOFRAMING_STATE,
+  ANDROID_CONTROL_LOW_LIGHT_BOOST_INFO_LUMINANCE_RANGE,
+  ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE,
   ANDROID_DEMOSAIC_MODE = android.hardware.camera.metadata.CameraMetadataSectionStart.ANDROID_DEMOSAIC_START /* 131072 */,
   ANDROID_EDGE_MODE = android.hardware.camera.metadata.CameraMetadataSectionStart.ANDROID_EDGE_START /* 196608 */,
   ANDROID_EDGE_STRENGTH,
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlAeMode.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlAeMode.aidl
index 5e1b871..c1423aa 100644
--- a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlAeMode.aidl
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlAeMode.aidl
@@ -44,4 +44,5 @@
   ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH,
   ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE,
   ANDROID_CONTROL_AE_MODE_ON_EXTERNAL_FLASH,
+  ANDROID_CONTROL_AE_MODE_ON_LOW_LIGHT_BOOST_BRIGHTNESS_PRIORITY,
 }
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlLowLightBoostState.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlLowLightBoostState.aidl
new file mode 100644
index 0000000..f8ae013
--- /dev/null
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/ControlLowLightBoostState.aidl
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ *//*
+ * Autogenerated from camera metadata definitions in
+ * /system/media/camera/docs/metadata_definitions.xml
+ * *** DO NOT EDIT BY HAND ***
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.camera.metadata;
+@Backing(type="int") @VintfStability
+enum ControlLowLightBoostState {
+  ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE_INACTIVE,
+  ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE_ACTIVE,
+}
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
index 2fefce0..6f9b38f 100644
--- a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
@@ -490,6 +490,18 @@
      */
     ANDROID_CONTROL_AUTOFRAMING_STATE,
     /**
+     * android.control.lowLightBoostInfoLuminanceRange [static, float[], public]
+     *
+     * <p>The operating luminance range of low light boost measured in lux (lx).</p>
+     */
+    ANDROID_CONTROL_LOW_LIGHT_BOOST_INFO_LUMINANCE_RANGE,
+    /**
+     * android.control.lowLightBoostState [dynamic, enum, public]
+     *
+     * <p>Current state of the low light boost AE mode.</p>
+     */
+    ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE,
+    /**
      * android.demosaic.mode [controls, enum, system]
      *
      * <p>Controls the quality of the demosaicing
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/ControlAeMode.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/ControlAeMode.aidl
index e2f5553..70174be 100644
--- a/camera/metadata/aidl/android/hardware/camera/metadata/ControlAeMode.aidl
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/ControlAeMode.aidl
@@ -35,4 +35,5 @@
     ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH,
     ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE,
     ANDROID_CONTROL_AE_MODE_ON_EXTERNAL_FLASH,
+    ANDROID_CONTROL_AE_MODE_ON_LOW_LIGHT_BOOST_BRIGHTNESS_PRIORITY,
 }
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/ControlLowLightBoostState.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/ControlLowLightBoostState.aidl
new file mode 100644
index 0000000..67591c8
--- /dev/null
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/ControlLowLightBoostState.aidl
@@ -0,0 +1,34 @@
+/*
+ * 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.
+ */
+
+/*
+ * Autogenerated from camera metadata definitions in
+ * /system/media/camera/docs/metadata_definitions.xml
+ * *** DO NOT EDIT BY HAND ***
+ */
+
+package android.hardware.camera.metadata;
+
+/**
+ * android.control.lowLightBoostState enumeration values
+ * @see ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE
+ */
+@VintfStability
+@Backing(type="int")
+enum ControlLowLightBoostState {
+    ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE_INACTIVE,
+    ANDROID_CONTROL_LOW_LIGHT_BOOST_STATE_ACTIVE,
+}
diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index 33e5a7d..0b6f112 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -134,7 +134,7 @@
     </hal>
     <hal format="aidl" optional="true" updatable-via-apex="true">
         <name>android.hardware.biometrics.fingerprint</name>
-        <version>3</version>
+        <version>3-4</version>
         <interface>
             <name>IFingerprint</name>
             <instance>default</instance>
@@ -577,7 +577,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.thermal</name>
-        <version>1</version>
+        <version>2</version>
         <interface>
             <name>IThermal</name>
             <instance>default</instance>
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
index d0099ff..4e99082 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
@@ -40,5 +40,6 @@
   void handleTransactionResult(in int transactionId, in boolean success);
   void handleNanSessionRequest(in android.hardware.contexthub.NanSessionRequest request);
   byte[16] getUuid();
+  String getName();
   const int CONTEXTHUB_NAN_TRANSACTION_TIMEOUT_MS = 10000;
 }
diff --git a/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl b/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
index 41fb266..ebfc4d8 100644
--- a/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
@@ -92,13 +92,21 @@
 
     /**
      * This callback is passed to the HAL implementation to allow the HAL to request a UUID that
-     * uniquely identifies an IContextHubCallback.
+     * uniquely identifies a client.
      *
      * @return a byte array representating the UUID
      */
     byte[16] getUuid();
 
     /**
+     * This callback gets the name of a client implementing this IContextHubCallback interface,
+     * which must be a hard-coded string and does not change at runtime.
+     *
+     * <p>The name provides a human-readable way to identify a client for troubleshooting purpose.
+     */
+    String getName();
+
+    /**
      * Amount of time, in milliseconds, that a handleNanSessionRequest can be pending before the
      * Contexthub service must respond.
      */
diff --git a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
index e780857..76b25b6 100644
--- a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
+++ b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
@@ -49,8 +49,9 @@
 using ::android::hardware::contexthub::vts_utils::waitForCallback;
 
 // 6612b522-b717-41c8-b48d-c0b1cc64e142
-const std::array<uint8_t, 16> kUuid = {0x66, 0x12, 0xb5, 0x22, 0xb7, 0x17, 0x41, 0xc8,
-                                       0xb4, 0x8d, 0xc0, 0xb1, 0xcc, 0x64, 0xe1, 0x42};
+constexpr std::array<uint8_t, 16> kUuid = {0x66, 0x12, 0xb5, 0x22, 0xb7, 0x17, 0x41, 0xc8,
+                                           0xb4, 0x8d, 0xc0, 0xb1, 0xcc, 0x64, 0xe1, 0x42};
+const String16 kName{"VtsAidlHalContextHubTargetTest"};
 
 class ContextHubAidl : public testing::TestWithParam<std::tuple<std::string, int32_t>> {
   public:
@@ -135,6 +136,11 @@
         *out_uuid = kUuid;
         return Status::ok();
     }
+
+    Status getName(::android::String16* out_name) override {
+        *out_name = kName;
+        return Status::ok();
+    }
 };
 
 TEST_P(ContextHubAidl, TestRegisterCallback) {
@@ -171,6 +177,11 @@
         return Status::ok();
     }
 
+    Status getName(::android::String16* out_name) override {
+        *out_name = kName;
+        return Status::ok();
+    }
+
     std::promise<std::vector<NanoappInfo>> promise;
 };
 
@@ -242,6 +253,11 @@
         return Status::ok();
     }
 
+    Status getName(::android::String16* out_name) override {
+        *out_name = kName;
+        return Status::ok();
+    }
+
     uint32_t expectedTransactionId = 0;
     std::promise<bool> promise;
 };
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/ConnectionEvent.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/ConnectionEvent.aidl
index 3161322..eedb8ed 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/ConnectionEvent.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/ConnectionEvent.aidl
@@ -35,18 +35,16 @@
 /* @hide */
 @Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum ConnectionEvent {
-  CS_SERVICE_GSM = 0,
-  SIGNALLING_GSM = 1,
-  PS_SERVICE_GPRS = 2,
-  SIGNALLING_GPRS = 3,
-  PS_SERVICE_3G = 4,
-  SIGNALLING_3G = 5,
-  NAS_SIGNALLING_LTE = 6,
-  AS_SIGNALLING_LTE = 7,
-  VOLTE_SIP = 8,
-  VOLTE_RTP = 9,
-  NAS_SIGNALLING_5G = 10,
-  AS_SIGNALLING_5G = 11,
-  VONR_SIP = 12,
-  VONR_RTP = 13,
+  CS_SIGNALLING_GSM = 0,
+  PS_SIGNALLING_GPRS = 1,
+  CS_SIGNALLING_3G = 2,
+  PS_SIGNALLING_3G = 3,
+  NAS_SIGNALLING_LTE = 4,
+  AS_SIGNALLING_LTE = 5,
+  VOLTE_SIP = 6,
+  VOLTE_RTP = 7,
+  NAS_SIGNALLING_5G = 8,
+  AS_SIGNALLING_5G = 9,
+  VONR_SIP = 10,
+  VONR_RTP = 11,
 }
diff --git a/radio/aidl/android/hardware/radio/network/ConnectionEvent.aidl b/radio/aidl/android/hardware/radio/network/ConnectionEvent.aidl
index 639ba89..2e39ebf 100644
--- a/radio/aidl/android/hardware/radio/network/ConnectionEvent.aidl
+++ b/radio/aidl/android/hardware/radio/network/ConnectionEvent.aidl
@@ -25,31 +25,31 @@
 @Backing(type="int")
 @JavaDerive(toString=true)
 enum ConnectionEvent {
-    // 2G GSM
-    CS_SERVICE_GSM = 0,
-    SIGNALLING_GSM = 1,
+    // 2G GSM circuit switched
+    CS_SIGNALLING_GSM = 0,
 
     // 2G GPRS packet services
-    PS_SERVICE_GPRS = 2,
-    SIGNALLING_GPRS = 3,
+    PS_SIGNALLING_GPRS = 1,
 
-    // 3G packet services
-    PS_SERVICE_3G = 4,
-    SIGNALLING_3G = 5,
+    // 3G circuit switched
+    CS_SIGNALLING_3G = 2,
+
+    // 3G packet switched
+    PS_SIGNALLING_3G = 3,
 
     // 4G LTE packet services
-    NAS_SIGNALLING_LTE = 6,
-    AS_SIGNALLING_LTE = 7,
+    NAS_SIGNALLING_LTE = 4,
+    AS_SIGNALLING_LTE = 5,
 
     // VoLTE
-    VOLTE_SIP = 8,
-    VOLTE_RTP = 9,
+    VOLTE_SIP = 6,
+    VOLTE_RTP = 7,
 
     // 5G packet services
-    NAS_SIGNALLING_5G = 10,
-    AS_SIGNALLING_5G = 11,
+    NAS_SIGNALLING_5G = 8,
+    AS_SIGNALLING_5G = 9,
 
     // VoNR
-    VONR_SIP = 12,
-    VONR_RTP = 13,
+    VONR_SIP = 10,
+    VONR_RTP = 11,
 }
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index a6ee2a6..32b246a 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -90,6 +90,11 @@
 
     serial = GetRandomSerialNumber();
 
+    // get aidl version
+    int32_t aidl_version;
+    ndk::ScopedAStatus aidl_status = radio_network->getInterfaceVersion(&aidl_version);
+    ASSERT_OK(aidl_status);
+
     // save current value
     radio_network->getAllowedNetworkTypesBitmap(serial);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
@@ -125,6 +130,11 @@
                  RadioError::INVALID_ARGUMENTS, RadioError::MODEM_ERR,
                  RadioError::REQUEST_NOT_SUPPORTED, RadioError::NO_RESOURCES}));
         if (radioRsp_network->rspInfo.error == RadioError::NONE) {
+            if (aidl_version < 2) {
+                radioRsp_network->networkTypeBitmapResponse
+                    &= ~static_cast<int32_t>(RadioAccessFamily::LTE_CA);
+            }
+
             // verify we get the value we set
             EXPECT_EQ(radioRsp_network->networkTypeBitmapResponse, allowedNetworkTypesBitmap);
         }
diff --git a/security/authgraph/aidl/Android.bp b/security/authgraph/aidl/Android.bp
index d94f640..f3d1281 100644
--- a/security/authgraph/aidl/Android.bp
+++ b/security/authgraph/aidl/Android.bp
@@ -34,7 +34,7 @@
             platform_apis: true,
         },
         ndk: {
-            apps_enabled: false,
+            enabled: true,
         },
         rust: {
             enabled: true,
diff --git a/security/authgraph/aidl/vts/functional/lib.rs b/security/authgraph/aidl/vts/functional/lib.rs
index da3fa1c..f4c1da9 100644
--- a/security/authgraph/aidl/vts/functional/lib.rs
+++ b/security/authgraph/aidl/vts/functional/lib.rs
@@ -26,6 +26,7 @@
 use authgraph_boringssl as boring;
 use authgraph_core::{error::Error as AgError, keyexchange as ke};
 use coset::CborSerializable;
+use std::{cell::RefCell, rc::Rc};
 
 pub mod sink;
 pub mod source;
@@ -34,7 +35,7 @@
 pub fn test_ag_participant() -> Result<ke::AuthGraphParticipant, AgError> {
     Ok(ke::AuthGraphParticipant::new(
         boring::crypto_trait_impls(),
-        Box::<boring::test_device::AgDevice>::default(),
+        Rc::new(RefCell::new(boring::test_device::AgDevice::default())),
         ke::MAX_OPENED_SESSIONS,
     )?)
 }
diff --git a/security/authgraph/default/src/fuzzer.rs b/security/authgraph/default/src/fuzzer.rs
index d401777..387d72f 100644
--- a/security/authgraph/default/src/fuzzer.rs
+++ b/security/authgraph/default/src/fuzzer.rs
@@ -22,10 +22,9 @@
 use authgraph_nonsecure::LocalTa;
 use binder_random_parcel_rs::fuzz_service;
 use libfuzzer_sys::fuzz_target;
-use std::sync::{Arc, Mutex};
 
 fuzz_target!(|data: &[u8]| {
     let local_ta = LocalTa::new().expect("Failed to create an AuthGraph local TA.");
-    let service = AuthGraphService::new_as_binder(Arc::new(Mutex::new(local_ta)));
+    let service = AuthGraphService::new_as_binder(local_ta);
     fuzz_service(&mut service.as_binder(), data);
 });
diff --git a/security/authgraph/default/src/lib.rs b/security/authgraph/default/src/lib.rs
index 14741aa..1f851b2 100644
--- a/security/authgraph/default/src/lib.rs
+++ b/security/authgraph/default/src/lib.rs
@@ -22,36 +22,62 @@
     ta::{AuthGraphTa, Role},
 };
 use authgraph_hal::channel::SerializedChannel;
-use std::sync::{Arc, Mutex};
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::sync::{mpsc, Mutex};
 
 /// Implementation of the AuthGraph TA that runs locally in-process (and which is therefore
 /// insecure).
 pub struct LocalTa {
-    ta: Arc<Mutex<AuthGraphTa>>,
+    channels: Mutex<Channels>,
+}
+
+struct Channels {
+    in_tx: mpsc::Sender<Vec<u8>>,
+    out_rx: mpsc::Receiver<Vec<u8>>,
 }
 
 impl LocalTa {
     /// Create a new instance.
     pub fn new() -> Result<Self, error::Error> {
-        Ok(Self {
-            ta: Arc::new(Mutex::new(AuthGraphTa::new(
+        // Create a pair of channels to communicate with the TA thread.
+        let (in_tx, in_rx) = mpsc::channel();
+        let (out_tx, out_rx) = mpsc::channel();
+
+        // The TA code expects to run single threaded, so spawn a thread to run it in.
+        std::thread::spawn(move || {
+            let mut ta = AuthGraphTa::new(
                 keyexchange::AuthGraphParticipant::new(
                     boring::crypto_trait_impls(),
-                    Box::<boring::test_device::AgDevice>::default(),
+                    Rc::new(RefCell::new(boring::test_device::AgDevice::default())),
                     keyexchange::MAX_OPENED_SESSIONS,
-                )?,
+                )
+                .expect("failed to create AG participant"),
                 Role::Both,
-            ))),
+            );
+            // Loop forever processing request messages.
+            loop {
+                let req_data: Vec<u8> = in_rx.recv().expect("failed to receive next req");
+                let rsp_data = ta.process(&req_data);
+                out_tx.send(rsp_data).expect("failed to send out rsp");
+            }
+        });
+        Ok(Self {
+            channels: Mutex::new(Channels { in_tx, out_rx }),
         })
     }
 }
 
-/// Pretend to be a serialized channel to the TA, but actually just directly invoke the TA with
-/// incoming requests.
 impl SerializedChannel for LocalTa {
     const MAX_SIZE: usize = usize::MAX;
 
-    fn execute(&mut self, req_data: &[u8]) -> binder::Result<Vec<u8>> {
-        Ok(self.ta.lock().unwrap().process(req_data))
+    fn execute(&self, req_data: &[u8]) -> binder::Result<Vec<u8>> {
+        // Serialize across both request and response.
+        let channels = self.channels.lock().unwrap();
+        channels
+            .in_tx
+            .send(req_data.to_vec())
+            .expect("failed to send in request");
+        Ok(channels.out_rx.recv().expect("failed to receive response"))
     }
 }
diff --git a/security/authgraph/default/src/main.rs b/security/authgraph/default/src/main.rs
index 81f2dd6..ced7567 100644
--- a/security/authgraph/default/src/main.rs
+++ b/security/authgraph/default/src/main.rs
@@ -25,7 +25,6 @@
 use authgraph_hal::service;
 use authgraph_nonsecure::LocalTa;
 use log::{error, info};
-use std::sync::{Arc, Mutex};
 
 static SERVICE_NAME: &str = "android.hardware.security.authgraph.IAuthGraphKeyExchange";
 static SERVICE_INSTANCE: &str = "nonsecure";
@@ -65,9 +64,8 @@
     binder::ProcessState::start_thread_pool();
 
     // Register the service
-    let local_ta =
-        LocalTa::new().map_err(|e| format!("Failed to create the TA because: {e:?}"))?;
-    let service = service::AuthGraphService::new_as_binder(Arc::new(Mutex::new(local_ta)));
+    let local_ta = LocalTa::new().map_err(|e| format!("Failed to create the TA because: {e:?}"))?;
+    let service = service::AuthGraphService::new_as_binder(local_ta);
     let service_name = format!("{}/{}", SERVICE_NAME, SERVICE_INSTANCE);
     binder::add_service(&service_name, service.as_binder()).map_err(|e| {
         format!(
diff --git a/security/keymint/support/include/remote_prov/remote_prov_utils.h b/security/keymint/support/include/remote_prov/remote_prov_utils.h
index 79189a1..3b02fad 100644
--- a/security/keymint/support/include/remote_prov/remote_prov_utils.h
+++ b/security/keymint/support/include/remote_prov/remote_prov_utils.h
@@ -130,7 +130,7 @@
  *   }
  */
 JsonOutput jsonEncodeCsrWithBuild(const std::string instance_name,
-                                  const cppbor::Array& csr);
+                                  const cppbor::Array& csr, const std::string serialno_prop);
 
 /**
  * Parses a DeviceInfo structure from the given CBOR data. The parsed data is then validated to
diff --git a/security/keymint/support/remote_prov_utils.cpp b/security/keymint/support/remote_prov_utils.cpp
index 6edbfc1..ecfdfd2 100644
--- a/security/keymint/support/remote_prov_utils.cpp
+++ b/security/keymint/support/remote_prov_utils.cpp
@@ -337,9 +337,9 @@
     return result;
 }
 
-JsonOutput jsonEncodeCsrWithBuild(const std::string instance_name, const cppbor::Array& csr) {
+JsonOutput jsonEncodeCsrWithBuild(const std::string instance_name, const cppbor::Array& csr,
+                                  const std::string serialno_prop) {
     const std::string kFingerprintProp = "ro.build.fingerprint";
-    const std::string kSerialNoProp = "ro.serialno";
 
     if (!::android::base::WaitForPropertyCreation(kFingerprintProp)) {
         return JsonOutput::Error("Unable to read build fingerprint");
@@ -364,7 +364,7 @@
     Json::Value json(Json::objectValue);
     json["name"] = instance_name;
     json["build_fingerprint"] = ::android::base::GetProperty(kFingerprintProp, /*default=*/"");
-    json["serialno"] = ::android::base::GetProperty(kSerialNoProp, /*default=*/"");
+    json["serialno"] = ::android::base::GetProperty(serialno_prop, /*default=*/"");
     json["csr"] = base64.data();  // Boring writes a NUL-terminated c-string
 
     Json::StreamWriterBuilder factory;
@@ -978,7 +978,7 @@
             return hwtrust::DiceChain::Kind::kVsr13;
         case __ANDROID_API_U__:
             return hwtrust::DiceChain::Kind::kVsr14;
-        case __ANDROID_API_V__:
+        case 202404: /* TODO(b/315056516) Use a version macro for vendor API 24Q2 */
             return hwtrust::DiceChain::Kind::kVsr15;
         default:
             return "Unsupported vendor API level: " + std::to_string(vendor_api_level);
diff --git a/security/keymint/support/remote_prov_utils_test.cpp b/security/keymint/support/remote_prov_utils_test.cpp
index eaaba45..630f7bb 100644
--- a/security/keymint/support/remote_prov_utils_test.cpp
+++ b/security/keymint/support/remote_prov_utils_test.cpp
@@ -182,10 +182,11 @@
 }
 
 TEST(RemoteProvUtilsTest, JsonEncodeCsr) {
+    const std::string kSerialNoProp = "ro.serialno";
     cppbor::Array array;
     array.add(1);
 
-    auto [json, error] = jsonEncodeCsrWithBuild(std::string("test"), array);
+    auto [json, error] = jsonEncodeCsrWithBuild(std::string("test"), array, kSerialNoProp);
 
     ASSERT_TRUE(error.empty()) << error;
 
diff --git a/security/secretkeeper/OWNERS b/security/secretkeeper/OWNERS
new file mode 100644
index 0000000..acf4c6c
--- /dev/null
+++ b/security/secretkeeper/OWNERS
@@ -0,0 +1,6 @@
+# Bug component: 867125
+
+alanstokes@google.com
+drysdale@google.com
+hasinitg@google.com
+shikhapanwar@google.com
diff --git a/security/secretkeeper/aidl/Android.bp b/security/secretkeeper/aidl/Android.bp
index c77d299..ac923ca 100644
--- a/security/secretkeeper/aidl/Android.bp
+++ b/security/secretkeeper/aidl/Android.bp
@@ -20,8 +20,15 @@
     name: "android.hardware.security.secretkeeper",
     vendor_available: true,
     srcs: ["android/hardware/security/secretkeeper/*.aidl"],
+    imports: [
+        "android.hardware.security.authgraph-V1",
+    ],
     stability: "vintf",
+    frozen: false,
     backend: {
+        java: {
+            enabled: false,
+        },
         ndk: {
             enabled: true,
         },
@@ -34,3 +41,44 @@
         },
     },
 }
+
+// cc_defaults that includes the latest Secretkeeper AIDL library.
+// Modules that depend on Secretkeeper directly can include this cc_defaults to avoid
+// managing dependency versions explicitly.
+cc_defaults {
+    name: "secretkeeper_use_latest_hal_aidl_ndk_static",
+    static_libs: [
+        "android.hardware.security.secretkeeper-V1-ndk",
+    ],
+}
+
+cc_defaults {
+    name: "secretkeeper_use_latest_hal_aidl_ndk_shared",
+    shared_libs: [
+        "android.hardware.security.secretkeeper-V1-ndk",
+    ],
+}
+
+cc_defaults {
+    name: "secretkeeper_use_latest_hal_aidl_cpp_static",
+    static_libs: [
+        "android.hardware.security.secretkeeper-V1-cpp",
+    ],
+}
+
+cc_defaults {
+    name: "secretkeeper_use_latest_hal_aidl_cpp_shared",
+    shared_libs: [
+        "android.hardware.security.secretkeeper-V1-cpp",
+    ],
+}
+
+// A rust_defaults that includes the latest Secretkeeper AIDL library.
+// Modules that depend on Secretkeeper directly can include this rust_defaults to avoid
+// managing dependency versions explicitly.
+rust_defaults {
+    name: "secretkeeper_use_latest_hal_aidl_rust",
+    rustlibs: [
+        "android.hardware.security.secretkeeper-V1-rust",
+    ],
+}
diff --git a/security/secretkeeper/aidl/aidl_api/android.hardware.security.secretkeeper/current/android/hardware/security/secretkeeper/ISecretkeeper.aidl b/security/secretkeeper/aidl/aidl_api/android.hardware.security.secretkeeper/current/android/hardware/security/secretkeeper/ISecretkeeper.aidl
index 2eb33c5..023fc8f 100644
--- a/security/secretkeeper/aidl/aidl_api/android.hardware.security.secretkeeper/current/android/hardware/security/secretkeeper/ISecretkeeper.aidl
+++ b/security/secretkeeper/aidl/aidl_api/android.hardware.security.secretkeeper/current/android/hardware/security/secretkeeper/ISecretkeeper.aidl
@@ -34,5 +34,6 @@
 package android.hardware.security.secretkeeper;
 @VintfStability
 interface ISecretkeeper {
+  android.hardware.security.authgraph.IAuthGraphKeyExchange getAuthGraphKe();
   byte[] processSecretManagementRequest(in byte[] request);
 }
diff --git a/security/secretkeeper/aidl/android/hardware/security/secretkeeper/ISecretkeeper.aidl b/security/secretkeeper/aidl/android/hardware/security/secretkeeper/ISecretkeeper.aidl
index af715a9..1f4768a 100644
--- a/security/secretkeeper/aidl/android/hardware/security/secretkeeper/ISecretkeeper.aidl
+++ b/security/secretkeeper/aidl/android/hardware/security/secretkeeper/ISecretkeeper.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.security.secretkeeper;
 
+import android.hardware.security.authgraph.IAuthGraphKeyExchange;
+
 @VintfStability
 /**
  * Secretkeeper service definition.
@@ -29,17 +31,22 @@
  * - A completely separate, purpose-built and certified secure CPU.
  *
  * TODO(b/291224769): Extend the HAL interface to include:
- * 1. Session setup api: This is used to perform cryptographic operations that allow shared keys to
- * be exchanged between session participants, typically (but not necessarily) a pVM instance and
- * Secretkeeper. This session setup is based on public key cryptography.
- * 2. Dice policy operation - These allow sealing of the secrets with a class of Dice chains.
+ * 1. Dice policy operation - These allow sealing of the secrets with a class of Dice chains.
  * Typical operations are (securely) updating the dice policy sealing the Secrets above. These
  * operations are core to AntiRollback protected secrets - ie, ensuring secrets of a pVM are only
  * accessible to same or higher versions of the images.
- * 3. Maintenance api: This is required for removing the Secretkeeper entries for obsolete pvMs.
+ * 2. Maintenance api: This is required for removing the Secretkeeper entries for obsolete pvMs.
  */
 interface ISecretkeeper {
     /**
+     * Retrieve the instance of the `IAuthGraphKeyExchange` HAL that should be used for shared
+     * session key establishment.  These keys are used to perform encryption of messages as
+     * described in SecretManagement.cddl, allowing the client and Secretkeeper to have a
+     * cryptographically secure channel.
+     */
+    IAuthGraphKeyExchange getAuthGraphKe();
+
+    /**
      * processSecretManagementRequest method is used for interacting with the Secret Management API
      *
      * Secret Management API: The clients can use this API to store (& get) 32 bytes of data.
diff --git a/security/secretkeeper/aidl/vts/Android.bp b/security/secretkeeper/aidl/vts/Android.bp
index 6818298..93192e9 100644
--- a/security/secretkeeper/aidl/vts/Android.bp
+++ b/security/secretkeeper/aidl/vts/Android.bp
@@ -28,6 +28,9 @@
     rustlibs: [
         "libsecretkeeper_comm_nostd",
         "android.hardware.security.secretkeeper-V1-rust",
+        "libauthgraph_core",
+        "libcoset",
+        "libauthgraph_vts_test",
         "libbinder_rs",
         "liblog_rust",
     ],
diff --git a/security/secretkeeper/aidl/vts/secretkeeper_test_client.rs b/security/secretkeeper/aidl/vts/secretkeeper_test_client.rs
index 28923f7..8c6b4fe 100644
--- a/security/secretkeeper/aidl/vts/secretkeeper_test_client.rs
+++ b/security/secretkeeper/aidl/vts/secretkeeper_test_client.rs
@@ -16,6 +16,7 @@
 
 #[cfg(test)]
 use binder::StatusCode;
+use coset::CborSerializable;
 use log::warn;
 use secretkeeper_comm::data_types::error::SecretkeeperError;
 use secretkeeper_comm::data_types::request::Request;
@@ -25,6 +26,8 @@
 use secretkeeper_comm::data_types::response::Response;
 use secretkeeper_comm::data_types::packet::{ResponsePacket, ResponseType};
 use android_hardware_security_secretkeeper::aidl::android::hardware::security::secretkeeper::ISecretkeeper::ISecretkeeper;
+use authgraph_vts_test as ag_vts;
+use authgraph_core::key;
 
 const SECRETKEEPER_IDENTIFIER: &str =
     "android.hardware.security.secretkeeper.ISecretkeeper/nonsecure";
@@ -42,6 +45,57 @@
         }
     }
 }
+fn authgraph_key_exchange(sk: binder::Strong<dyn ISecretkeeper>) -> [key::AesKey; 2] {
+    let sink = sk.getAuthGraphKe().expect("failed to get AuthGraph");
+    let mut source = ag_vts::test_ag_participant().expect("failed to create a local source");
+    ag_vts::sink::test_mainline(&mut source, sink)
+}
+
+/// Test that the AuthGraph instance returned by SecretKeeper correctly performs
+/// mainline key exchange against a local source implementation.
+#[test]
+fn authgraph_mainline() {
+    let sk = match get_connection() {
+        Some(sk) => sk,
+        None => {
+            warn!("Secretkeeper HAL is unavailable, skipping test");
+            return;
+        }
+    };
+    let _aes_keys = authgraph_key_exchange(sk);
+}
+
+/// Test that the AuthGraph instance returned by SecretKeeper correctly rejects
+/// a corrupted session ID signature.
+#[test]
+fn authgraph_corrupt_sig() {
+    let sk = match get_connection() {
+        Some(sk) => sk,
+        None => {
+            warn!("Secretkeeper HAL is unavailable, skipping test");
+            return;
+        }
+    };
+    let sink = sk.getAuthGraphKe().expect("failed to get AuthGraph");
+    let mut source = ag_vts::test_ag_participant().expect("failed to create a local source");
+    ag_vts::sink::test_corrupt_sig(&mut source, sink);
+}
+
+/// Test that the AuthGraph instance returned by SecretKeeper correctly detects
+/// when corrupted keys are returned to it.
+#[test]
+fn authgraph_corrupt_keys() {
+    let sk = match get_connection() {
+        Some(sk) => sk,
+        None => {
+            warn!("Secretkeeper HAL is unavailable, skipping test");
+            return;
+        }
+    };
+    let sink = sk.getAuthGraphKe().expect("failed to get AuthGraph");
+    let mut source = ag_vts::test_ag_participant().expect("failed to create a local source");
+    ag_vts::sink::test_corrupt_keys(&mut source, sink);
+}
 
 // TODO(b/2797757): Add tests that match different HAL defined objects (like request/response)
 // with expected bytes.
@@ -57,7 +111,7 @@
     };
     let request = GetVersionRequest {};
     let request_packet = request.serialize_to_packet();
-    let request_bytes = request_packet.into_bytes().unwrap();
+    let request_bytes = request_packet.to_vec().unwrap();
 
     // TODO(b/291224769) The request will need to be encrypted & response need to be decrypted
     // with key & related artifacts pre-shared via Authgraph Key Exchange HAL.
@@ -66,14 +120,14 @@
         .processSecretManagementRequest(&request_bytes)
         .unwrap();
 
-    let response_packet = ResponsePacket::from_bytes(&response_bytes).unwrap();
+    let response_packet = ResponsePacket::from_slice(&response_bytes).unwrap();
     assert_eq!(
         response_packet.response_type().unwrap(),
         ResponseType::Success
     );
     let get_version_response =
         *GetVersionResponse::deserialize_from_packet(response_packet).unwrap();
-    assert_eq!(get_version_response.version(), CURRENT_VERSION);
+    assert_eq!(get_version_response.version, CURRENT_VERSION);
 }
 
 #[test]
@@ -87,7 +141,7 @@
     };
     let request = GetVersionRequest {};
     let request_packet = request.serialize_to_packet();
-    let mut request_bytes = request_packet.into_bytes().unwrap();
+    let mut request_bytes = request_packet.to_vec().unwrap();
 
     // Deform the request
     request_bytes[0] = !request_bytes[0];
@@ -99,7 +153,7 @@
         .processSecretManagementRequest(&request_bytes)
         .unwrap();
 
-    let response_packet = ResponsePacket::from_bytes(&response_bytes).unwrap();
+    let response_packet = ResponsePacket::from_slice(&response_bytes).unwrap();
     assert_eq!(
         response_packet.response_type().unwrap(),
         ResponseType::Error
diff --git a/security/secretkeeper/default/Android.bp b/security/secretkeeper/default/Android.bp
index 8240b89..6612ea2 100644
--- a/security/secretkeeper/default/Android.bp
+++ b/security/secretkeeper/default/Android.bp
@@ -24,12 +24,19 @@
     vendor: true,
     installable: false, // install APEX
     prefer_rlib: true,
+    defaults: [
+        "authgraph_use_latest_hal_aidl_rust",
+    ],
     rustlibs: [
         "android.hardware.security.secretkeeper-V1-rust",
         "libandroid_logger",
+        "libauthgraph_boringssl",
+        "libauthgraph_core",
+        "libauthgraph_hal",
         "libbinder_rs",
         "liblog_rust",
-        "libsecretkeeper_comm_nostd",
+        "libsecretkeeper_core_nostd",
+        "libsecretkeeper_hal",
     ],
     srcs: [
         "src/main.rs",
diff --git a/security/secretkeeper/default/src/main.rs b/security/secretkeeper/default/src/main.rs
index 2d367c5..a291017 100644
--- a/security/secretkeeper/default/src/main.rs
+++ b/security/secretkeeper/default/src/main.rs
@@ -14,80 +14,106 @@
  * limitations under the License.
  */
 
-use binder::{BinderFeatures, Interface};
+//! Non-secure implementation of the Secretkeeper HAL.
+
 use log::{error, info, Level};
-use secretkeeper_comm::data_types::error::SecretkeeperError;
-use secretkeeper_comm::data_types::packet::{RequestPacket, ResponsePacket};
-use secretkeeper_comm::data_types::request::Request;
-use secretkeeper_comm::data_types::request_response_impl::{
-    GetVersionRequest, GetVersionResponse, Opcode,
-};
-use secretkeeper_comm::data_types::response::Response;
-
+use std::sync::{Arc, Mutex};
+use authgraph_boringssl as boring;
+use authgraph_core::ta::{Role, AuthGraphTa};
+use authgraph_core::keyexchange::{MAX_OPENED_SESSIONS, AuthGraphParticipant};
+use secretkeeper_core::ta::SecretkeeperTa;
+use secretkeeper_hal::SecretkeeperService;
+use authgraph_hal::channel::SerializedChannel;
 use android_hardware_security_secretkeeper::aidl::android::hardware::security::secretkeeper::ISecretkeeper::{
-    BnSecretkeeper, BpSecretkeeper, ISecretkeeper,
+    ISecretkeeper, BpSecretkeeper,
 };
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::sync::mpsc;
 
-const CURRENT_VERSION: u64 = 1;
+/// Implementation of the Secrekeeper TA that runs locally in-process (and which is therefore
+/// insecure).
+pub struct LocalTa {
+    in_tx: mpsc::Sender<Vec<u8>>,
+    out_rx: mpsc::Receiver<Vec<u8>>,
+}
 
-#[derive(Debug, Default)]
-pub struct NonSecureSecretkeeper;
+/// Prefix byte for messages intended for the AuthGraph TA.
+const AG_MESSAGE_PREFIX: u8 = 0x00;
+/// Prefix byte for messages intended for the Secretkeeper TA.
+const SK_MESSAGE_PREFIX: u8 = 0x01;
 
-impl Interface for NonSecureSecretkeeper {}
+impl LocalTa {
+    /// Create a new instance.
+    pub fn new() -> Self {
+        // Create a pair of channels to communicate with the TA thread.
+        let (in_tx, in_rx) = mpsc::channel();
+        let (out_tx, out_rx) = mpsc::channel();
 
-impl ISecretkeeper for NonSecureSecretkeeper {
-    fn processSecretManagementRequest(&self, request: &[u8]) -> binder::Result<Vec<u8>> {
-        Ok(self.process_opaque_request(request))
+        // The TA code expects to run single threaded, so spawn a thread to run it in.
+        std::thread::spawn(move || {
+            let mut crypto_impls = boring::crypto_trait_impls();
+            let sk_ta = Rc::new(RefCell::new(
+                SecretkeeperTa::new(&mut crypto_impls)
+                    .expect("Failed to create local Secretkeeper TA"),
+            ));
+            let mut ag_ta = AuthGraphTa::new(
+                AuthGraphParticipant::new(crypto_impls, sk_ta.clone(), MAX_OPENED_SESSIONS)
+                    .expect("Failed to create local AuthGraph TA"),
+                Role::Sink,
+            );
+
+            // Loop forever processing request messages.
+            loop {
+                let req_data: Vec<u8> = in_rx.recv().expect("failed to receive next req");
+                let rsp_data = match req_data[0] {
+                    AG_MESSAGE_PREFIX => ag_ta.process(&req_data[1..]),
+                    SK_MESSAGE_PREFIX => {
+                        // It's safe to `borrow_mut()` because this code is not a callback
+                        // from AuthGraph (the only other holder of an `Rc`), and so there
+                        // can be no live `borrow()`s in this (single) thread.
+                        sk_ta.borrow_mut().process(&req_data[1..])
+                    }
+                    prefix => panic!("unexpected messageprefix {prefix}!"),
+                };
+                out_tx.send(rsp_data).expect("failed to send out rsp");
+            }
+        });
+        Self { in_tx, out_rx }
+    }
+
+    fn execute_for(&mut self, prefix: u8, req_data: &[u8]) -> Vec<u8> {
+        let mut prefixed_req = Vec::with_capacity(req_data.len() + 1);
+        prefixed_req.push(prefix);
+        prefixed_req.extend_from_slice(req_data);
+        self.in_tx
+            .send(prefixed_req)
+            .expect("failed to send in request");
+        self.out_rx.recv().expect("failed to receive response")
     }
 }
 
-impl NonSecureSecretkeeper {
-    // A set of requests to Secretkeeper are 'opaque' - encrypted bytes with inner structure
-    // described by CDDL. They need to be decrypted, deserialized and processed accordingly.
-    fn process_opaque_request(&self, request: &[u8]) -> Vec<u8> {
-        // TODO(b/291224769) The request will need to be decrypted & response need to be encrypted
-        // with key & related artifacts pre-shared via Authgraph Key Exchange HAL.
-        self.process_opaque_request_unhandled_error(request)
-            .unwrap_or_else(
-                // SecretkeeperError is also a valid 'Response', serialize to a response packet.
-                |sk_err| {
-                    Response::serialize_to_packet(&sk_err)
-                        .into_bytes()
-                        .expect("Panicking due to serialization failing")
-                },
-            )
+pub struct AuthGraphChannel(Arc<Mutex<LocalTa>>);
+impl SerializedChannel for AuthGraphChannel {
+    const MAX_SIZE: usize = usize::MAX;
+    fn execute(&self, req_data: &[u8]) -> binder::Result<Vec<u8>> {
+        Ok(self
+            .0
+            .lock()
+            .unwrap()
+            .execute_for(AG_MESSAGE_PREFIX, req_data))
     }
+}
 
-    fn process_opaque_request_unhandled_error(
-        &self,
-        request: &[u8],
-    ) -> Result<Vec<u8>, SecretkeeperError> {
-        let request_packet = RequestPacket::from_bytes(request).map_err(|e| {
-            error!("Failed to get Request packet from bytes: {:?}", e);
-            SecretkeeperError::RequestMalformed
-        })?;
-        let response_packet = match request_packet
-            .opcode()
-            .map_err(|_| SecretkeeperError::RequestMalformed)?
-        {
-            Opcode::GetVersion => Self::process_get_version_request(request_packet)?,
-            _ => todo!("TODO(b/291224769): Unimplemented operations"),
-        };
-
-        response_packet
-            .into_bytes()
-            .map_err(|_| SecretkeeperError::UnexpectedServerError)
-    }
-
-    fn process_get_version_request(
-        request: RequestPacket,
-    ) -> Result<ResponsePacket, SecretkeeperError> {
-        // Deserialization really just verifies the structural integrity of the request such
-        // as args being empty.
-        let _request = GetVersionRequest::deserialize_from_packet(request)
-            .map_err(|_| SecretkeeperError::RequestMalformed)?;
-        let response = GetVersionResponse::new(CURRENT_VERSION);
-        Ok(response.serialize_to_packet())
+pub struct SecretkeeperChannel(Arc<Mutex<LocalTa>>);
+impl SerializedChannel for SecretkeeperChannel {
+    const MAX_SIZE: usize = usize::MAX;
+    fn execute(&self, req_data: &[u8]) -> binder::Result<Vec<u8>> {
+        Ok(self
+            .0
+            .lock()
+            .unwrap()
+            .execute_for(SK_MESSAGE_PREFIX, req_data))
     }
 }
 
@@ -104,17 +130,17 @@
         error!("{}", panic_info);
     }));
 
-    let service = NonSecureSecretkeeper::default();
-    let service_binder = BnSecretkeeper::new_binder(service, BinderFeatures::default());
+    let ta = Arc::new(Mutex::new(LocalTa::new()));
+    let ag_channel = AuthGraphChannel(ta.clone());
+    let sk_channel = SecretkeeperChannel(ta.clone());
+
+    let service = SecretkeeperService::new_as_binder(sk_channel, ag_channel);
     let service_name = format!(
         "{}/nonsecure",
         <BpSecretkeeper as ISecretkeeper>::get_descriptor()
     );
-    binder::add_service(&service_name, service_binder.as_binder()).unwrap_or_else(|e| {
-        panic!(
-            "Failed to register service {} because of {:?}.",
-            service_name, e
-        );
+    binder::add_service(&service_name, service.as_binder()).unwrap_or_else(|e| {
+        panic!("Failed to register service {service_name} because of {e:?}.",);
     });
     info!("Registered Binder service, joining threadpool.");
     binder::ProcessState::join_thread_pool();
diff --git a/thermal/aidl/Android.bp b/thermal/aidl/Android.bp
index 9382b94..734aab7 100644
--- a/thermal/aidl/Android.bp
+++ b/thermal/aidl/Android.bp
@@ -45,6 +45,6 @@
             imports: [],
         },
     ],
-    frozen: true,
+    frozen: false,
 
 }
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
index 1f87cf2..5e88aa0 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
@@ -46,4 +46,8 @@
   POWER_AMPLIFIER,
   DISPLAY,
   SPEAKER,
+  WIFI,
+  CAMERA,
+  FLASHLIGHT,
+  USB_PORT,
 }
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
index e9710a7..665a36e 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
@@ -35,7 +35,7 @@
 /* @hide */
 @Backing(type="int") @VintfStability
 enum TemperatureType {
-  UNKNOWN = (-1),
+  UNKNOWN = (-1) /* -1 */,
   CPU = 0,
   GPU = 1,
   BATTERY = 2,
@@ -50,4 +50,10 @@
   DISPLAY = 11,
   MODEM = 12,
   SOC = 13,
+  WIFI = 14,
+  CAMERA = 15,
+  FLASHLIGHT = 16,
+  SPEAKER = 17,
+  AMBIENT = 18,
+  POGO = 19,
 }
diff --git a/thermal/aidl/android/hardware/thermal/CoolingType.aidl b/thermal/aidl/android/hardware/thermal/CoolingType.aidl
index 08beb55..c00028d 100644
--- a/thermal/aidl/android/hardware/thermal/CoolingType.aidl
+++ b/thermal/aidl/android/hardware/thermal/CoolingType.aidl
@@ -34,4 +34,8 @@
     POWER_AMPLIFIER,
     DISPLAY,
     SPEAKER,
+    WIFI,
+    CAMERA,
+    FLASHLIGHT,
+    USB_PORT,
 }
diff --git a/thermal/aidl/android/hardware/thermal/TemperatureType.aidl b/thermal/aidl/android/hardware/thermal/TemperatureType.aidl
index 467d096..ce2a9fc 100644
--- a/thermal/aidl/android/hardware/thermal/TemperatureType.aidl
+++ b/thermal/aidl/android/hardware/thermal/TemperatureType.aidl
@@ -44,4 +44,10 @@
     DISPLAY = 11,
     MODEM = 12,
     SOC = 13,
+    WIFI = 14,
+    CAMERA = 15,
+    FLASHLIGHT = 16,
+    SPEAKER = 17,
+    AMBIENT = 18,
+    POGO = 19,
 }
diff --git a/thermal/aidl/default/Android.bp b/thermal/aidl/default/Android.bp
index 451e1e2..9fe62ce 100644
--- a/thermal/aidl/default/Android.bp
+++ b/thermal/aidl/default/Android.bp
@@ -27,7 +27,7 @@
     vendor: true,
     stl: "c++_static",
     static_libs: [
-        "android.hardware.thermal-V1-ndk",
+        "android.hardware.thermal-V2-ndk",
         "libbase",
     ],
     shared_libs: [
diff --git a/thermal/aidl/default/thermal-example.xml b/thermal/aidl/default/thermal-example.xml
index bdee744..08dc68c 100644
--- a/thermal/aidl/default/thermal-example.xml
+++ b/thermal/aidl/default/thermal-example.xml
@@ -1,7 +1,7 @@
 <manifest version="1.0" type="device">
     <hal format="aidl">
         <name>android.hardware.thermal</name>
-        <version>1</version>
+        <version>2</version>
         <fqname>IThermal/default</fqname>
     </hal>
 </manifest>
diff --git a/thermal/aidl/vts/Android.bp b/thermal/aidl/vts/Android.bp
index b00eb33..0812811 100644
--- a/thermal/aidl/vts/Android.bp
+++ b/thermal/aidl/vts/Android.bp
@@ -32,7 +32,7 @@
         "libbinder_ndk",
     ],
     static_libs: [
-        "android.hardware.thermal-V1-ndk",
+        "android.hardware.thermal-V2-ndk",
     ],
     test_suites: [
         "vts",
diff --git a/uwb/aidl/default/src/uwb_chip.rs b/uwb/aidl/default/src/uwb_chip.rs
index 2b8e481..efb2454 100644
--- a/uwb/aidl/default/src/uwb_chip.rs
+++ b/uwb/aidl/default/src/uwb_chip.rs
@@ -14,7 +14,6 @@
 
 use std::fs::{File, OpenOptions};
 use std::io::{self, Read, Write};
-use std::os::fd::AsRawFd;
 use std::os::unix::fs::OpenOptionsExt;
 
 enum State {
@@ -61,13 +60,11 @@
 }
 
 pub fn makeraw(file: File) -> io::Result<File> {
-    let fd = file.as_raw_fd();
-
-    // Configure the file descritpro as raw fd.
+    // Configure the file descriptor as raw fd.
     use nix::sys::termios::*;
-    let mut attrs = tcgetattr(fd)?;
+    let mut attrs = tcgetattr(&file)?;
     cfmakeraw(&mut attrs);
-    tcsetattr(fd, SetArg::TCSANOW, &attrs)?;
+    tcsetattr(&file, SetArg::TCSANOW, &attrs)?;
 
     Ok(file)
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanData.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanData.aidl
new file mode 100644
index 0000000..cd4a456
--- /dev/null
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanData.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.wifi;
+@VintfStability
+parcelable CachedScanData {
+  int[] scannedFrequenciesMhz;
+  android.hardware.wifi.CachedScanResult[] cachedScanResults;
+}
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanResult.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanResult.aidl
new file mode 100644
index 0000000..1806b0f
--- /dev/null
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/CachedScanResult.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.wifi;
+@VintfStability
+parcelable CachedScanResult {
+  long timeStampInUs;
+  byte[] ssid;
+  byte[6] bssid;
+  int rssiDbm;
+  int frequencyMhz;
+  android.hardware.wifi.WifiChannelWidthInMhz channelWidthMhz;
+  android.hardware.wifi.WifiRatePreamble preambleType;
+}
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
index 2d7fe03..db82a6e 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
@@ -84,6 +84,7 @@
   void enableStaChannelForPeerNetwork(in int channelCategoryEnableFlag);
   void setMloMode(in android.hardware.wifi.IWifiChip.ChipMloMode mode);
   @PropagateAllowBlocking android.hardware.wifi.IWifiApIface createApOrBridgedApIface(in android.hardware.wifi.IfaceConcurrencyType iface, in android.hardware.wifi.common.OuiKeyedData[] vendorData);
+  void setVoipMode(in android.hardware.wifi.IWifiChip.VoipMode mode);
   const int NO_POWER_CAP_CONSTANT = 0x7FFFFFFF;
   @Backing(type="int") @VintfStability
   enum FeatureSetMask {
@@ -162,6 +163,11 @@
     NAN_INSTANT_MODE = (1 << 2) /* 4 */,
   }
   @Backing(type="int") @VintfStability
+  enum VoipMode {
+    OFF = 0,
+    VOICE = 1,
+  }
+  @Backing(type="int") @VintfStability
   enum ChannelCategoryMask {
     INDOOR_CHANNEL = (1 << 0) /* 1 */,
     DFS_CHANNEL = (1 << 1) /* 2 */,
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
index 923deff..f838413 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
@@ -61,6 +61,7 @@
   void stopRssiMonitoring(in int cmdId);
   void stopSendingKeepAlivePackets(in int cmdId);
   void setDtimMultiplier(in int multiplier);
+  android.hardware.wifi.CachedScanData getCachedScanData();
   @Backing(type="int") @VintfStability
   enum FeatureSetMask {
     APF = (1 << 0) /* 1 */,
@@ -77,5 +78,6 @@
     TDLS_OFFCHANNEL = (1 << 11) /* 2048 */,
     ND_OFFLOAD = (1 << 12) /* 4096 */,
     KEEP_ALIVE = (1 << 13) /* 8192 */,
+    ROAMING_MODE_CONTROL = (1 << 14) /* 16384 */,
   }
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingRequest.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingRequest.aidl
index dd0a5ed..b5f78b0 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingRequest.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingRequest.aidl
@@ -38,4 +38,6 @@
   byte[6] peerDiscMacAddr;
   android.hardware.wifi.NanBootstrappingMethod requestBootstrappingMethod;
   byte[] cookie;
+  boolean isComeback;
+  byte discoverySessionId;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingResponse.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingResponse.aidl
index 6dd9b26..7b17493 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingResponse.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanBootstrappingResponse.aidl
@@ -36,4 +36,5 @@
 parcelable NanBootstrappingResponse {
   int bootstrappingInstanceId;
   boolean acceptRequest;
+  byte discoverySessionId;
 }
diff --git a/wifi/aidl/android/hardware/wifi/CachedScanData.aidl b/wifi/aidl/android/hardware/wifi/CachedScanData.aidl
new file mode 100644
index 0000000..feda079
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/CachedScanData.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2023 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.wifi;
+
+import android.hardware.wifi.CachedScanResult;
+
+/**
+ * Scan data cached in Wifi firmware
+ */
+@VintfStability
+parcelable CachedScanData {
+    /**
+     * List of scanned frequencies in MHz.
+     */
+    int[] scannedFrequenciesMhz;
+
+    /**
+     * List of scan results.
+     */
+    CachedScanResult[] cachedScanResults;
+}
diff --git a/wifi/aidl/android/hardware/wifi/CachedScanResult.aidl b/wifi/aidl/android/hardware/wifi/CachedScanResult.aidl
new file mode 100644
index 0000000..9c9dbc7
--- /dev/null
+++ b/wifi/aidl/android/hardware/wifi/CachedScanResult.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2023 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.wifi;
+
+import android.hardware.wifi.WifiChannelWidthInMhz;
+import android.hardware.wifi.WifiRatePreamble;
+
+/**
+ * Scan result cached in Wifi firmware
+ */
+@VintfStability
+parcelable CachedScanResult {
+    /**
+     * Time in micro seconds since boot when the scan was done
+     */
+    long timeStampInUs;
+    /**
+     * SSID of beacon excluding null.
+     */
+    byte[] ssid;
+    /**
+     * BSSID of beacon
+     */
+    byte[6] bssid;
+    /**
+     * Beacon received signal stength indicatior (RSSI), in dbm
+     */
+    int rssiDbm;
+    /**
+     * Frequency of beacon, in MHz
+     */
+    int frequencyMhz;
+    /**
+     * Channel bandwidth of found network
+     */
+    WifiChannelWidthInMhz channelWidthMhz;
+    /**
+     * Supported rate and preamble type
+     */
+    WifiRatePreamble preambleType;
+}
diff --git a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
index 733ff62..cf4c884 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
@@ -385,6 +385,16 @@
     }
 
     /**
+     * This enum represents the different VoIP mode that can be set through |setVoipMode|.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum VoipMode {
+        OFF = 0,
+        VOICE = 1,
+    }
+
+    /**
      * Configure the Chip.
      * This may NOT be called to reconfigure a chip due to an internal
      * limitation. Calling this when chip is already configured in a different
@@ -1173,4 +1183,23 @@
     @PropagateAllowBlocking
     IWifiApIface createApOrBridgedApIface(
             in IfaceConcurrencyType iface, in OuiKeyedData[] vendorData);
+
+    /**
+     * API to set the wifi VoIP mode.
+     *
+     * The VoIP mode is a hint to the HAL to enable or disable Wi-Fi VoIP
+     * optimization. The optimization should be enabled if the mode is NOT set to |OFF|.
+     * Furthermore, HAL should implement relevant optimization techniques based on the
+     * current operational mode.
+     *
+     * Note: Wi-Fi VoIP optimization may trade-off power against Wi-Fi
+     * performance but it provides better voice quility.
+     *
+     * @param mode Voip mode as defined by the enum |VoipMode|
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    void setVoipMode(in VoipMode mode);
 }
diff --git a/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
index 6d6afaf..3c8b55f 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.wifi;
 
+import android.hardware.wifi.CachedScanData;
 import android.hardware.wifi.IWifiStaIfaceEventCallback;
 import android.hardware.wifi.StaApfPacketFilterCapabilities;
 import android.hardware.wifi.StaBackgroundScanCapabilities;
@@ -99,6 +100,10 @@
          * Support for keep alive packet offload.
          */
         KEEP_ALIVE = 1 << 13,
+        /**
+         * Support for configuring roaming mode.
+         */
+        ROAMING_MODE_CONTROL = 1 << 14,
     }
 
     /**
@@ -552,4 +557,16 @@
      *         |WifiStatusCode.ERROR_UNKNOWN|
      */
     void setDtimMultiplier(in int multiplier);
+
+    /**
+     * Get the cached scan data.
+     *
+     * @return Instance of |CachedScanData|.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    CachedScanData getCachedScanData();
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
index 4b74cd9..e23bd23 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
@@ -45,4 +45,16 @@
      * Cookie received from previous |NanBootstrappingConfirmInd| for comeback request.
      */
     byte[] cookie;
+
+    /**
+     * Identify if it is a request for come back response
+     */
+    boolean isComeback;
+
+    /**
+     * ID of an active publish or subscribe discovery session. Follow-up message is transmitted in
+     * the context of the discovery session. NAN Spec: Service Descriptor Attribute (SDA) / Instance
+     * ID
+     */
+    byte discoverySessionId;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
index dbe8923..a2ee0e6 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
@@ -29,4 +29,11 @@
      * True if accept the request, false otherwise.
      */
     boolean acceptRequest;
+
+    /**
+     * ID of an active publish or subscribe discovery session. Follow-up message is transmitted in
+     * the context of the discovery session. NAN Spec: Service Descriptor Attribute (SDA) / Instance
+     * ID
+     */
+    byte discoverySessionId;
 }
diff --git a/wifi/aidl/default/aidl_struct_util.cpp b/wifi/aidl/default/aidl_struct_util.cpp
index 99420bd..1c420b2 100644
--- a/wifi/aidl/default/aidl_struct_util.cpp
+++ b/wifi/aidl/default/aidl_struct_util.cpp
@@ -92,6 +92,8 @@
             return IWifiStaIface::FeatureSetMask::ND_OFFLOAD;
         case WIFI_FEATURE_MKEEP_ALIVE:
             return IWifiStaIface::FeatureSetMask::KEEP_ALIVE;
+        case WIFI_FEATURE_ROAMING_MODE_CONTROL:
+            return IWifiStaIface::FeatureSetMask::ROAMING_MODE_CONTROL;
     };
     CHECK(false) << "Unknown legacy feature: " << feature;
     return {};
@@ -457,7 +459,8 @@
          {WIFI_FEATURE_GSCAN, WIFI_FEATURE_LINK_LAYER_STATS, WIFI_FEATURE_RSSI_MONITOR,
           WIFI_FEATURE_CONTROL_ROAMING, WIFI_FEATURE_IE_WHITELIST, WIFI_FEATURE_SCAN_RAND,
           WIFI_FEATURE_INFRA_5G, WIFI_FEATURE_HOTSPOT, WIFI_FEATURE_PNO, WIFI_FEATURE_TDLS,
-          WIFI_FEATURE_TDLS_OFFCHANNEL, WIFI_FEATURE_CONFIG_NDO, WIFI_FEATURE_MKEEP_ALIVE}) {
+          WIFI_FEATURE_TDLS_OFFCHANNEL, WIFI_FEATURE_CONFIG_NDO, WIFI_FEATURE_MKEEP_ALIVE,
+          WIFI_FEATURE_ROAMING_MODE_CONTROL}) {
         if (feature & legacy_feature_set) {
             *aidl_feature_set |= static_cast<uint32_t>(convertLegacyStaIfaceFeatureToAidl(feature));
         }
@@ -3202,6 +3205,8 @@
     legacy_request->cookie_length = aidl_request.cookie.size();
 
     memcpy(legacy_request->cookie, aidl_request.cookie.data(), legacy_request->cookie_length);
+    legacy_request->publish_subscribe_id = static_cast<uint8_t>(aidl_request.discoverySessionId);
+    legacy_request->comeback = aidl_request.isComeback ? 0x1 : 0x0;
 
     return true;
 }
@@ -3219,6 +3224,7 @@
     legacy_request->service_instance_id = aidl_request.bootstrappingInstanceId;
     legacy_request->rsp_code = aidl_request.acceptRequest ? NAN_BOOTSTRAPPING_REQUEST_ACCEPT
                                                           : NAN_BOOTSTRAPPING_REQUEST_REJECT;
+    legacy_request->publish_subscribe_id = static_cast<uint8_t>(aidl_request.discoverySessionId);
 
     return true;
 }
@@ -3386,6 +3392,69 @@
     return true;
 }
 
+bool convertCachedScanReportToAidl(const legacy_hal::WifiCachedScanReport& report,
+                                   CachedScanData* aidl_scan_data) {
+    if (!aidl_scan_data) {
+        return false;
+    }
+    *aidl_scan_data = {};
+
+    std::vector<CachedScanResult> aidl_scan_results;
+    for (const auto& result : report.results) {
+        CachedScanResult aidl_scan_result;
+        if (!convertCachedScanResultToAidl(result, report.ts, &aidl_scan_result)) {
+            return false;
+        }
+        aidl_scan_results.push_back(aidl_scan_result);
+    }
+    aidl_scan_data->cachedScanResults = aidl_scan_results;
+
+    aidl_scan_data->scannedFrequenciesMhz = report.scanned_freqs;
+    return true;
+}
+
+bool convertCachedScanResultToAidl(const legacy_hal::wifi_cached_scan_result& legacy_scan_result,
+                                   uint64_t ts_us, CachedScanResult* aidl_scan_result) {
+    if (!aidl_scan_result) {
+        return false;
+    }
+    *aidl_scan_result = {};
+    aidl_scan_result->timeStampInUs = ts_us - legacy_scan_result.age_ms * 1000;
+    if (aidl_scan_result->timeStampInUs < 0) {
+        aidl_scan_result->timeStampInUs = 0;
+        return false;
+    }
+    size_t max_len_excluding_null = sizeof(legacy_scan_result.ssid) - 1;
+    size_t ssid_len = strnlen((const char*)legacy_scan_result.ssid, max_len_excluding_null);
+    aidl_scan_result->ssid =
+            std::vector<uint8_t>(legacy_scan_result.ssid, legacy_scan_result.ssid + ssid_len);
+    aidl_scan_result->bssid = std::array<uint8_t, 6>();
+    std::copy(legacy_scan_result.bssid, legacy_scan_result.bssid + 6,
+              std::begin(aidl_scan_result->bssid));
+    aidl_scan_result->frequencyMhz = legacy_scan_result.chanspec.primary_frequency;
+    aidl_scan_result->channelWidthMhz =
+            convertLegacyWifiChannelWidthToAidl(legacy_scan_result.chanspec.width);
+    aidl_scan_result->rssiDbm = legacy_scan_result.rssi;
+    aidl_scan_result->preambleType = convertScanResultFlagsToPreambleType(legacy_scan_result.flags);
+    return true;
+}
+
+WifiRatePreamble convertScanResultFlagsToPreambleType(int flags) {
+    if ((flags & WIFI_CACHED_SCAN_RESULT_FLAGS_EHT_OPS_PRESENT) > 0) {
+        return WifiRatePreamble::EHT;
+    }
+    if ((flags & WIFI_CACHED_SCAN_RESULT_FLAGS_HE_OPS_PRESENT) > 0) {
+        return WifiRatePreamble::HE;
+    }
+    if ((flags & WIFI_CACHED_SCAN_RESULT_FLAGS_VHT_OPS_PRESENT) > 0) {
+        return WifiRatePreamble::VHT;
+    }
+    if ((flags & WIFI_CACHED_SCAN_RESULT_FLAGS_HT_OPS_PRESENT) > 0) {
+        return WifiRatePreamble::HT;
+    }
+    return WifiRatePreamble::OFDM;
+}
+
 }  // namespace aidl_struct_util
 }  // namespace wifi
 }  // namespace hardware
diff --git a/wifi/aidl/default/aidl_struct_util.h b/wifi/aidl/default/aidl_struct_util.h
index e4ff963..b59c453 100644
--- a/wifi/aidl/default/aidl_struct_util.h
+++ b/wifi/aidl/default/aidl_struct_util.h
@@ -202,6 +202,11 @@
         const legacy_hal::NanBootstrappingConfirmInd& legacy_ind,
         NanBootstrappingConfirmInd* aidl_ind);
 uint32_t convertAidlChannelCategoryToLegacy(uint32_t aidl_channel_category_mask);
+bool convertCachedScanReportToAidl(const legacy_hal::WifiCachedScanReport& report,
+                                   CachedScanData* aidl_scan_data);
+bool convertCachedScanResultToAidl(const legacy_hal::wifi_cached_scan_result& legacy_scan_result,
+                                   uint64_t ts_us, CachedScanResult* aidl_scan_result);
+WifiRatePreamble convertScanResultFlagsToPreambleType(int flags);
 }  // namespace aidl_struct_util
 }  // namespace wifi
 }  // namespace hardware
diff --git a/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp b/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
index 995a13d..2a030ee 100644
--- a/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
+++ b/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
@@ -35,6 +35,12 @@
               0x2c, 0x00, 0x00, 0x41, 0x06, 0x03, 0x06, 0x00, 0x80};
 byte LCR[] = {0x27, 0xE,  0x1,  0x00, 0xB,  0x01, 0x00, 0x0b, 0x00, 0x09,
               0x55, 0x53, 0x18, 0x05, 0x39, 0x34, 0x30, 0x34, 0x33};
+
+constexpr int kNumScanResult = 2;
+constexpr int kRssi[] = {-60, -70};
+constexpr uint8_t kBssid[] = {0x12, 0x34, 0x56, 0x78, 0x9a, 0};
+constexpr uint8_t kSsidLen = 6;
+constexpr char kSsid[] = {'a', 'b', 'c', 'd', 'e', '\0'};
 }  // namespace
 
 namespace aidl {
@@ -883,6 +889,51 @@
     }
 }
 
+TEST_F(AidlStructUtilTest, convertCachedScanReportToAidl) {
+    legacy_hal::WifiCachedScanReport hw_report;
+
+    hw_report.ts = 10000000;
+    std::vector<int> scanned_freqs{5260, 2437, 5200};
+    std::vector<wifi_cached_scan_result> results;
+    hw_report.scanned_freqs = scanned_freqs;
+
+    for (int i = 0; i < kNumScanResult; i++) {
+        wifi_cached_scan_result result;
+        result.age_ms = i * 1000;
+        result.capability = i;
+        memcpy(result.ssid, kSsid, kSsidLen);
+        result.ssid_len = kSsidLen;
+        memcpy(result.bssid, kBssid, 6);
+        result.flags = WIFI_CACHED_SCAN_RESULT_FLAGS_HE_OPS_PRESENT;
+        result.rssi = kRssi[i];
+        result.chanspec = {legacy_hal::WIFI_CHAN_WIDTH_40, 0, 0, i};
+        results.push_back(result);
+    }
+    hw_report.results = results;
+
+    CachedScanData aidl_data;
+    aidl_struct_util::convertCachedScanReportToAidl(hw_report, &aidl_data);
+
+    EXPECT_EQ(scanned_freqs.size(), aidl_data.scannedFrequenciesMhz.size());
+    EXPECT_EQ(scanned_freqs[2], aidl_data.scannedFrequenciesMhz[2]);
+    EXPECT_EQ(5260, aidl_data.scannedFrequenciesMhz[0]);
+    EXPECT_EQ(kNumScanResult, (int)aidl_data.cachedScanResults.size());
+    for (int i = 0; i < kNumScanResult; i++) {
+        EXPECT_EQ(hw_report.results[i].rssi, aidl_data.cachedScanResults[i].rssiDbm);
+        EXPECT_EQ(i, aidl_data.cachedScanResults[i].frequencyMhz);
+        int64_t expected_ts = 10000000 - i * 1000 * 1000;
+        EXPECT_EQ(expected_ts, aidl_data.cachedScanResults[i].timeStampInUs);
+        EXPECT_EQ(WifiRatePreamble::HE, aidl_data.cachedScanResults[i].preambleType);
+        EXPECT_EQ(WifiChannelWidthInMhz::WIDTH_40, aidl_data.cachedScanResults[i].channelWidthMhz);
+        for (int k = 0; k < 6; k++) {
+            EXPECT_EQ(kBssid[k], aidl_data.cachedScanResults[i].bssid[k]);
+        }
+        for (int k = 0; k < kSsidLen; k++) {
+            EXPECT_EQ(kSsid[k], aidl_data.cachedScanResults[i].ssid[k]);
+        }
+    }
+}
+
 }  // namespace wifi
 }  // namespace hardware
 }  // namespace android
diff --git a/wifi/aidl/default/wifi_chip.cpp b/wifi/aidl/default/wifi_chip.cpp
index d72775c..9b9c565 100644
--- a/wifi/aidl/default/wifi_chip.cpp
+++ b/wifi/aidl/default/wifi_chip.cpp
@@ -20,6 +20,7 @@
 #include <android-base/unique_fd.h>
 #include <cutils/properties.h>
 #include <fcntl.h>
+#include <hardware_legacy/wifi_hal.h>
 #include <net/if.h>
 #include <sys/stat.h>
 #include <sys/sysmacros.h>
@@ -605,6 +606,11 @@
                            &WifiChip::setMloModeInternal, in_mode);
 }
 
+ndk::ScopedAStatus WifiChip::setVoipMode(const VoipMode in_mode) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+                           &WifiChip::setVoipModeInternal, in_mode);
+}
+
 void WifiChip::invalidateAndRemoveAllIfaces() {
     invalidateAndClearBridgedApAll();
     invalidateAndClearAll(ap_ifaces_);
@@ -1913,6 +1919,23 @@
     return createWifiStatusFromLegacyError(legacy_hal_.lock()->setMloMode(mode));
 }
 
+ndk::ScopedAStatus WifiChip::setVoipModeInternal(const WifiChip::VoipMode in_mode) {
+    const auto ifname = getFirstActiveWlanIfaceName();
+    wifi_voip_mode mode;
+    switch (in_mode) {
+        case WifiChip::VoipMode::VOICE:
+            mode = wifi_voip_mode::WIFI_VOIP_MODE_VOICE;
+            break;
+        case WifiChip::VoipMode::OFF:
+            mode = wifi_voip_mode::WIFI_VOIP_MODE_OFF;
+            break;
+        default:
+            PLOG(ERROR) << "Error: invalid mode: " << toString(in_mode);
+            return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+    }
+    return createWifiStatusFromLegacyError(legacy_hal_.lock()->setVoipMode(ifname, mode));
+}
+
 }  // namespace wifi
 }  // namespace hardware
 }  // namespace android
diff --git a/wifi/aidl/default/wifi_chip.h b/wifi/aidl/default/wifi_chip.h
index c6517db..ffd507f 100644
--- a/wifi/aidl/default/wifi_chip.h
+++ b/wifi/aidl/default/wifi_chip.h
@@ -158,6 +158,7 @@
             int32_t in_channelCategoryEnableFlag) override;
     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
     ndk::ScopedAStatus setMloMode(const ChipMloMode in_mode) override;
+    ndk::ScopedAStatus setVoipMode(const VoipMode in_mode) override;
 
   private:
     void invalidateAndRemoveAllIfaces();
@@ -269,6 +270,7 @@
     getSupportedRadioCombinationsInternal();
     std::pair<WifiChipCapabilities, ndk::ScopedAStatus> getWifiChipCapabilitiesInternal();
     ndk::ScopedAStatus setMloModeInternal(const ChipMloMode in_mode);
+    ndk::ScopedAStatus setVoipModeInternal(const VoipMode in_mode);
     void retrieveDynamicIfaceCombination();
     void setWeakPtr(std::weak_ptr<WifiChip> ptr);
 
diff --git a/wifi/aidl/default/wifi_legacy_hal.cpp b/wifi/aidl/default/wifi_legacy_hal.cpp
index 209670b..5f3e313 100644
--- a/wifi/aidl/default/wifi_legacy_hal.cpp
+++ b/wifi/aidl/default/wifi_legacy_hal.cpp
@@ -439,6 +439,7 @@
 // Callback to report cached scan results
 std::function<void(wifi_cached_scan_report*)> on_cached_scan_results_internal_callback;
 void onSyncCachedScanResults(wifi_cached_scan_report* cache_report) {
+    const auto lock = aidl_sync_util::acquireGlobalLock();
     if (on_cached_scan_results_internal_callback) {
         on_cached_scan_results_internal_callback(cache_report);
     }
@@ -1858,13 +1859,16 @@
     return global_func_table_.wifi_enable_tx_power_limits(getIfaceHandle(iface_name), enable);
 }
 
-wifi_error WifiLegacyHal::getWifiCachedScanResults(
-        const std::string& iface_name, const CachedScanResultsCallbackHandlers& handler) {
-    on_cached_scan_results_internal_callback = handler.on_cached_scan_results;
-
+wifi_error WifiLegacyHal::getWifiCachedScanResults(const std::string& iface_name,
+                                                   WifiCachedScanReport& report) {
+    on_cached_scan_results_internal_callback = [&report](wifi_cached_scan_report* report_ptr) {
+        report.results.assign(report_ptr->results, report_ptr->results + report_ptr->result_cnt);
+        report.scanned_freqs.assign(report_ptr->scanned_freq_list,
+                                    report_ptr->scanned_freq_list + report_ptr->scanned_freq_num);
+        report.ts = report_ptr->ts;
+    };
     wifi_error status = global_func_table_.wifi_get_cached_scan_results(getIfaceHandle(iface_name),
                                                                         {onSyncCachedScanResults});
-
     on_cached_scan_results_internal_callback = nullptr;
     return status;
 }
@@ -1934,6 +1938,7 @@
     on_twt_event_info_frame_received_callback = nullptr;
     on_twt_event_device_notify_callback = nullptr;
     on_chre_nan_rtt_internal_callback = nullptr;
+    on_cached_scan_results_internal_callback = nullptr;
 }
 
 }  // namespace legacy_hal
diff --git a/wifi/aidl/default/wifi_legacy_hal.h b/wifi/aidl/default/wifi_legacy_hal.h
index 6f012ec..4dd0d62 100644
--- a/wifi/aidl/default/wifi_legacy_hal.h
+++ b/wifi/aidl/default/wifi_legacy_hal.h
@@ -257,6 +257,7 @@
 using ::WIFI_BAND_BG;
 using ::WIFI_BAND_UNSPECIFIED;
 using ::wifi_cached_scan_report;
+using ::wifi_cached_scan_result;
 using ::wifi_cached_scan_results;
 using ::WIFI_CHAN_WIDTH_10;
 using ::WIFI_CHAN_WIDTH_160;
@@ -423,6 +424,12 @@
     bool valid;
 };
 
+struct WifiCachedScanReport {
+    uint64_t ts;
+    std::vector<int> scanned_freqs;
+    std::vector<wifi_cached_scan_result> results;
+};
+
 #pragma GCC diagnostic pop
 
 // The |WLAN_DRIVER_WAKE_REASON_CNT.cmd_event_wake_cnt| and
@@ -533,8 +540,9 @@
     std::function<void(chre_nan_rtt_state)> on_wifi_chre_nan_rtt_state;
 };
 
-// Cached Scan Results response and event callbacks struct.
-struct CachedScanResultsCallbackHandlers {
+using on_cached_scan_results_callback = std::function<void(wifi_cached_scan_report*)>;
+
+struct CachedScanResultsCallbfackHandlers {
     // Callback for Cached Scan Results
     std::function<void(wifi_cached_scan_report*)> on_cached_scan_results;
 };
@@ -777,7 +785,7 @@
 
     wifi_error enableWifiTxPowerLimits(const std::string& iface_name, bool enable);
     wifi_error getWifiCachedScanResults(const std::string& iface_name,
-                                        const CachedScanResultsCallbackHandlers& handler);
+                                        WifiCachedScanReport& report);
     std::pair<wifi_error, wifi_chip_capabilities> getWifiChipCapabilities();
     wifi_error enableStaChannelForPeerNetwork(uint32_t channelCategoryEnableFlag);
     wifi_error setMloMode(wifi_mlo_mode mode);
diff --git a/wifi/aidl/default/wifi_sta_iface.cpp b/wifi/aidl/default/wifi_sta_iface.cpp
index 800813f..0ae428f 100644
--- a/wifi/aidl/default/wifi_sta_iface.cpp
+++ b/wifi/aidl/default/wifi_sta_iface.cpp
@@ -219,6 +219,11 @@
                            &WifiStaIface::setDtimMultiplierInternal, in_multiplier);
 }
 
+ndk::ScopedAStatus WifiStaIface::getCachedScanData(CachedScanData* _aidl_return) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiStaIface::getCachedScanDataInternal, _aidl_return);
+}
+
 std::pair<std::string, ndk::ScopedAStatus> WifiStaIface::getNameInternal() {
     return {ifname_, ndk::ScopedAStatus::ok()};
 }
@@ -540,6 +545,21 @@
     return createWifiStatusFromLegacyError(legacy_status);
 }
 
+std::pair<CachedScanData, ndk::ScopedAStatus> WifiStaIface::getCachedScanDataInternal() {
+    legacy_hal::WifiCachedScanReport cached_scan_report;
+    legacy_hal::wifi_error legacy_status =
+            legacy_hal_.lock()->getWifiCachedScanResults(ifname_, cached_scan_report);
+    if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+        return {CachedScanData{}, createWifiStatusFromLegacyError(legacy_status)};
+    }
+    CachedScanData aidl_scan_data;
+    if (!aidl_struct_util::convertCachedScanReportToAidl(cached_scan_report, &aidl_scan_data)) {
+        return {CachedScanData{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+    }
+
+    return {aidl_scan_data, ndk::ScopedAStatus::ok()};
+}
+
 }  // namespace wifi
 }  // namespace hardware
 }  // namespace android
diff --git a/wifi/aidl/default/wifi_sta_iface.h b/wifi/aidl/default/wifi_sta_iface.h
index 3d7ec4d..fe05c21 100644
--- a/wifi/aidl/default/wifi_sta_iface.h
+++ b/wifi/aidl/default/wifi_sta_iface.h
@@ -90,6 +90,7 @@
     ndk::ScopedAStatus getFactoryMacAddress(std::array<uint8_t, 6>* _aidl_return) override;
     ndk::ScopedAStatus setScanMode(bool in_enable) override;
     ndk::ScopedAStatus setDtimMultiplier(int32_t in_multiplier) override;
+    ndk::ScopedAStatus getCachedScanData(CachedScanData* _aidl_return) override;
 
   private:
     // Corresponding worker functions for the AIDL methods.
@@ -130,6 +131,7 @@
     std::pair<std::array<uint8_t, 6>, ndk::ScopedAStatus> getFactoryMacAddressInternal();
     ndk::ScopedAStatus setScanModeInternal(bool enable);
     ndk::ScopedAStatus setDtimMultiplierInternal(const int multiplier);
+    std::pair<CachedScanData, ndk::ScopedAStatus> getCachedScanDataInternal();
 
     void setWeakPtr(std::weak_ptr<WifiStaIface> ptr);
 
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
index 8aa593f..851e851 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
@@ -34,6 +34,9 @@
 package android.hardware.wifi.supplicant;
 @VintfStability
 interface ISupplicantP2pIfaceCallback {
+  /**
+   * @deprecated This callback is deprecated from AIDL v2, newer HAL should call onDeviceFoundWithParams.
+   */
   oneway void onDeviceFound(in byte[] srcAddress, in byte[] p2pDeviceAddress, in byte[] primaryDeviceType, in String deviceName, in android.hardware.wifi.supplicant.WpsConfigMethods configMethods, in byte deviceCapabilities, in android.hardware.wifi.supplicant.P2pGroupCapabilityMask groupCapabilities, in byte[] wfdDeviceInfo);
   oneway void onDeviceLost(in byte[] p2pDeviceAddress);
   oneway void onFindStopped();
@@ -60,9 +63,13 @@
    */
   oneway void onStaDeauthorized(in byte[] srcAddress, in byte[] p2pDeviceAddress);
   oneway void onGroupFrequencyChanged(in String groupIfname, in int frequency);
+  /**
+   * @deprecated This callback is deprecated from AIDL v3, newer HAL should call onDeviceFoundWithParams.
+   */
   oneway void onDeviceFoundWithVendorElements(in byte[] srcAddress, in byte[] p2pDeviceAddress, in byte[] primaryDeviceType, in String deviceName, in android.hardware.wifi.supplicant.WpsConfigMethods configMethods, in byte deviceCapabilities, in android.hardware.wifi.supplicant.P2pGroupCapabilityMask groupCapabilities, in byte[] wfdDeviceInfo, in byte[] wfdR2DeviceInfo, in byte[] vendorElemBytes);
   oneway void onGroupStartedWithParams(in android.hardware.wifi.supplicant.P2pGroupStartedEventParams groupStartedEventParams);
   oneway void onPeerClientJoined(in android.hardware.wifi.supplicant.P2pPeerClientJoinedEventParams clientJoinedEventParams);
   oneway void onPeerClientDisconnected(in android.hardware.wifi.supplicant.P2pPeerClientDisconnectedEventParams clientDisconnectedEventParams);
   oneway void onProvisionDiscoveryCompletedEvent(in android.hardware.wifi.supplicant.P2pProvisionDiscoveryCompletedEventParams provisionDiscoveryCompletedEventParams);
+  oneway void onDeviceFoundWithParams(in android.hardware.wifi.supplicant.P2pDeviceFoundEventParams deviceFoundEventParams);
 }
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl
new file mode 100644
index 0000000..ee8e6dc
--- /dev/null
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.wifi.supplicant;
+@VintfStability
+parcelable P2pDeviceFoundEventParams {
+  byte[6] srcAddress;
+  byte[6] p2pDeviceAddress;
+  byte[] primaryDeviceType;
+  String deviceName;
+  int configMethods;
+  byte deviceCapabilities;
+  int groupCapabilities;
+  byte[] wfdDeviceInfo;
+  byte[] wfdR2DeviceInfo;
+  byte[] vendorElemBytes;
+  @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
+}
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
index 8befc0d..11cd867 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.supplicant.P2pDeviceFoundEventParams;
 import android.hardware.wifi.supplicant.P2pGroupCapabilityMask;
 import android.hardware.wifi.supplicant.P2pGroupStartedEventParams;
 import android.hardware.wifi.supplicant.P2pPeerClientDisconnectedEventParams;
@@ -38,6 +39,9 @@
 oneway interface ISupplicantP2pIfaceCallback {
     /**
      * Used to indicate that a P2P device has been found.
+     * <p>
+     * @deprecated This callback is deprecated from AIDL v2, newer HAL should call
+     * onDeviceFoundWithParams.
      *
      * @param srcAddress MAC address of the device found. This must either
      *        be the P2P device address or the P2P interface address.
@@ -228,6 +232,9 @@
 
     /**
      * Used to indicate that a P2P device has been found.
+     * <p>
+     * @deprecated This callback is deprecated from AIDL v3, newer HAL should call
+     * onDeviceFoundWithParams.
      *
      * @param srcAddress MAC address of the device found. This must either
      *        be the P2P device address for a peer which is not in a group,
@@ -288,4 +295,11 @@
      */
     void onProvisionDiscoveryCompletedEvent(
             in P2pProvisionDiscoveryCompletedEventParams provisionDiscoveryCompletedEventParams);
+
+    /**
+     * Used to indicate that a P2P device has been found.
+     *
+     * @param deviceFoundEventParams Parameters associated with the device found event.
+     */
+    void onDeviceFoundWithParams(in P2pDeviceFoundEventParams deviceFoundEventParams);
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl
new file mode 100644
index 0000000..15917b6
--- /dev/null
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pDeviceFoundEventParams.aidl
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2023 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.wifi.supplicant;
+
+import android.hardware.wifi.common.OuiKeyedData;
+
+/**
+ * Parameters passed as a part of a P2P Device found event.
+ */
+@VintfStability
+parcelable P2pDeviceFoundEventParams {
+    /**
+     * MAC address of the device found. This must either be the P2P device address
+     * for a peer which is not in a group, or the P2P interface address for
+     * a peer which is a Group Owner.
+     */
+    byte[6] srcAddress;
+
+    /**
+     * P2P device address.
+     */
+    byte[6] p2pDeviceAddress;
+
+    /**
+     * Type of device. Refer to section B.1 of the Wifi P2P Technical
+     * specification v1.2.
+     */
+    byte[] primaryDeviceType;
+
+    /**
+     * Name of the device.
+     */
+    String deviceName;
+
+    /**
+     * Mask of |WpsConfigMethods| indicating the WPS configuration methods
+     * supported by the device.
+     */
+    int configMethods;
+
+    /**
+     * Refer to section 4.1.4 of the Wifi P2P Technical specification v1.2.
+     */
+    byte deviceCapabilities;
+
+    /**
+     * Mask of |P2pGroupCapabilityMask| indicating the group capabilities.
+     * Refer to section 4.1.4 of the Wifi P2P Technical specification v1.2.
+     */
+    int groupCapabilities;
+
+    /**
+     * WFD device info as described in section 5.1.2 of the WFD technical
+     * specification v1.0.0.
+     */
+    byte[] wfdDeviceInfo;
+
+    /**
+     * WFD R2 device info as described in section 5.1.12 of WFD technical
+     * specification v2.1.
+     */
+    byte[] wfdR2DeviceInfo;
+
+    /**
+     * Vendor-specific information element bytes. The format of an
+     * information element is EID (1 byte) + Length (1 Byte) + Payload which is
+     * defined in Section 9.4.4 TLV encodings of 802.11-2016 IEEE Standard for
+     * Information technology. The length indicates the size of the payload.
+     * Multiple information elements may be appended within the byte array.
+     */
+    byte[] vendorElemBytes;
+
+    /**
+     * Optional vendor-specific data.
+     * Null value indicates that no vendor data is provided.
+     */
+    @nullable OuiKeyedData[] vendorData;
+}
diff --git a/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp b/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
index 0db1653..3f96414 100644
--- a/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
+++ b/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
@@ -35,6 +35,7 @@
 using aidl::android::hardware::wifi::supplicant::ISupplicant;
 using aidl::android::hardware::wifi::supplicant::ISupplicantP2pIface;
 using aidl::android::hardware::wifi::supplicant::MiracastMode;
+using aidl::android::hardware::wifi::supplicant::P2pDeviceFoundEventParams;
 using aidl::android::hardware::wifi::supplicant::P2pFrameTypeMask;
 using aidl::android::hardware::wifi::supplicant::P2pGroupCapabilityMask;
 using aidl::android::hardware::wifi::supplicant::P2pGroupStartedEventParams;
@@ -199,6 +200,10 @@
             /* provisionDiscoveryCompletedEventParams */) override {
         return ndk::ScopedAStatus::ok();
     }
+    ::ndk::ScopedAStatus onDeviceFoundWithParams(
+            const P2pDeviceFoundEventParams& /* deviceFoundEventParams */) override {
+        return ndk::ScopedAStatus::ok();
+    }
 };
 
 class SupplicantP2pIfaceAidlTest : public testing::TestWithParam<std::string> {