From 892d1243c344d4c05c7b3f8403dec70facac26ee Mon Sep 17 00:00:00 2001
From: Cheney Ni <cheneyni@google.com>
Date: Tue, 4 Dec 2018 13:36:42 +0800
Subject: [PATCH] Support for Bluetooth Audio HAL V2 on Pixel 2

Remove primary flags from hearing aid also.

Bug: 111519504
Bug: 124278829
Bug: 124014853
Test: manual with BluetoothAudioHAL enabled / disabled
Change-Id: I57e521422ae37b359e08836429a4c8e1a99dd66b
Merged-In: I57e521422ae37b359e08836429a4c8e1a99dd66b
---
 a2dp_in_audio_policy_configuration.xml        |  22 ++
 ...cy_configuration_bluetooth_hal_enabled.xml | 210 ++++++++++++++++++
 bluetooth_audio_policy_configuration.xml      |  44 ++++
 device.mk                                     |   7 +-
 manifest.xml                                  |   9 +
 5 files changed, 291 insertions(+), 1 deletion(-)
 create mode 100644 a2dp_in_audio_policy_configuration.xml
 create mode 100644 audio_policy_configuration_bluetooth_hal_enabled.xml
 create mode 100644 bluetooth_audio_policy_configuration.xml

diff --git a/a2dp_in_audio_policy_configuration.xml b/a2dp_in_audio_policy_configuration.xml
new file mode 100644
index 00000000..57bd4f81
--- /dev/null
+++ b/a2dp_in_audio_policy_configuration.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Bluetooth Input Audio HAL Audio Policy Configuration file -->
+<module name="a2dp" halVersion="2.0">
+    <mixPorts>
+        <mixPort name="a2dp input" role="sink">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="44100,48000"
+                     channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
+        </mixPort>
+    </mixPorts>
+    <devicePorts>
+        <devicePort tagName="BT A2DP In" type="AUDIO_DEVICE_IN_BLUETOOTH_A2DP" role="source">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="44100,48000"
+                     channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
+        </devicePort>
+    </devicePorts>
+    <routes>
+        <route type="mix" sink="a2dp input"
+               sources="BT A2DP In"/>
+    </routes>
+</module>
diff --git a/audio_policy_configuration_bluetooth_hal_enabled.xml b/audio_policy_configuration_bluetooth_hal_enabled.xml
new file mode 100644
index 00000000..4ad3f6d2
--- /dev/null
+++ b/audio_policy_configuration_bluetooth_hal_enabled.xml
@@ -0,0 +1,210 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!-- Copyright (C) 2018 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.
+-->
+
+<audioPolicyConfiguration version="1.0" xmlns:xi="http://www.w3.org/2001/XInclude">
+    <globalConfiguration speaker_drc_enabled="true"/>
+
+    <modules>
+        <module name="primary" halVersion="2.0">
+            <attachedDevices>
+                <item>Speaker</item>
+                <item>Speaker Safe</item>
+                <item>Earpiece</item>
+                <item>Telephony Tx</item>
+                <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
+                <item>Telephony Rx</item>
+            </attachedDevices>
+            <defaultOutputDevice>Speaker</defaultOutputDevice>
+            <mixPorts>
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY|AUDIO_OUTPUT_FLAG_FAST">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="raw" role="source" flags="AUDIO_OUTPUT_FLAG_RAW|AUDIO_OUTPUT_FLAG_FAST">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="hifi_playback" role="source" />
+                <mixPort name="deep_buffer" role="source"
+                        flags="AUDIO_OUTPUT_FLAG_DEEP_BUFFER">
+                    <profile name="" format="AUDIO_FORMAT_PCM_24_BIT_PACKED"
+                             samplingRates="44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="compressed_offload" role="source"
+                         flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD|AUDIO_OUTPUT_FLAG_NON_BLOCKING">
+                    <profile name="" format="AUDIO_FORMAT_MP3"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_AAC_LC"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_AAC_HE_V1"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000,64000,88200,96000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                    <profile name="" format="AUDIO_FORMAT_AAC_HE_V2"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO,AUDIO_CHANNEL_OUT_MONO"/>
+                </mixPort>
+                <mixPort name="voice_tx" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,48000" channelMasks="AUDIO_CHANNEL_OUT_MONO,AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="mmap_no_irq_out" role="source" flags="AUDIO_OUTPUT_FLAG_DIRECT|AUDIO_OUTPUT_FLAG_MMAP_NOIRQ">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="voip_rx" role="source"
+                         flags="AUDIO_OUTPUT_FLAG_VOIP_RX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                           samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="incall_music_uplink" role="source"
+                        flags="AUDIO_OUTPUT_FLAG_INCALL_MUSIC">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,48000"
+                             channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+                <mixPort name="primary input" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3"/>
+                </mixPort>
+                <mixPort name="fast input" role="sink" flags="AUDIO_INPUT_FLAG_FAST">
+                    <profile name="" format="AUDIO_FORMAT_PCM_8_24_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3"/>
+                </mixPort>
+                <mixPort name="hifi_input" role="sink" />
+                <mixPort name="voice_rx" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO"/>
+                </mixPort>
+                <mixPort name="mmap_no_irq_in" role="sink" flags="AUDIO_INPUT_FLAG_MMAP_NOIRQ">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,11025,12000,16000,22050,24000,32000,44100,48000"
+                             channelMasks="AUDIO_CHANNEL_IN_MONO,AUDIO_CHANNEL_IN_STEREO,AUDIO_CHANNEL_IN_FRONT_BACK,AUDIO_CHANNEL_INDEX_MASK_3"/>
+                </mixPort>
+                <mixPort name="voip_tx" role="sink"
+                         flags="AUDIO_INPUT_FLAG_VOIP_TX">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="8000,16000,32000,48000" channelMasks="AUDIO_CHANNEL_IN_MONO"/>
+                </mixPort>
+            </mixPorts>
+            <devicePorts>
+                <devicePort tagName="Earpiece" type="AUDIO_DEVICE_OUT_EARPIECE" role="sink">
+                </devicePort>
+                <devicePort tagName="Speaker" type="AUDIO_DEVICE_OUT_SPEAKER" role="sink">
+                </devicePort>
+                <devicePort tagName="Speaker Safe" type="AUDIO_DEVICE_OUT_SPEAKER_SAFE" role="sink">
+                </devicePort>
+                <devicePort tagName="BT SCO" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO" role="sink">
+                </devicePort>
+                <devicePort tagName="BT SCO Headset" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET" role="sink">
+                </devicePort>
+                <devicePort tagName="BT SCO Car Kit" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT" role="sink">
+                </devicePort>
+                <devicePort tagName="Telephony Tx" type="AUDIO_DEVICE_OUT_TELEPHONY_TX" role="sink">
+                </devicePort>
+                <devicePort tagName="USB Device Out" type="AUDIO_DEVICE_OUT_USB_DEVICE" role="sink">
+                </devicePort>
+                <devicePort tagName="USB Headset Out" type="AUDIO_DEVICE_OUT_USB_HEADSET" role="sink">
+                </devicePort>
+                <devicePort tagName="Built-In Mic" type="AUDIO_DEVICE_IN_BUILTIN_MIC" role="source">
+                </devicePort>
+                <devicePort tagName="Built-In Back Mic" type="AUDIO_DEVICE_IN_BACK_MIC" role="source">
+                </devicePort>
+                <devicePort tagName="BT SCO Headset Mic" type="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET" role="source">
+                </devicePort>
+                <devicePort tagName="Telephony Rx" type="AUDIO_DEVICE_IN_TELEPHONY_RX" role="source">
+                </devicePort>
+                <!-- TODO: Enable multi-channel recording -->
+                <devicePort tagName="USB Device In" type="AUDIO_DEVICE_IN_USB_DEVICE" role="source">
+                </devicePort>
+                <devicePort tagName="USB Headset In" type="AUDIO_DEVICE_IN_USB_HEADSET" role="source">
+                </devicePort>
+            </devicePorts>
+            <routes>
+                <route type="mix" sink="Earpiece"
+                       sources="primary output,raw,deep_buffer,mmap_no_irq_out,voip_rx"/>
+                <route type="mix" sink="Speaker"
+                       sources="primary output,raw,deep_buffer,compressed_offload,mmap_no_irq_out,voip_rx"/>
+                <route type="mix" sink="Speaker Safe"
+                       sources="primary output,raw,deep_buffer,compressed_offload,mmap_no_irq_out,voip_rx"/>
+                <route type="mix" sink="BT SCO"
+                       sources="primary output,raw,deep_buffer,voip_rx"/>
+                <route type="mix" sink="BT SCO Headset"
+                       sources="primary output,raw,deep_buffer,voip_rx"/>
+                <route type="mix" sink="BT SCO Car Kit"
+                       sources="primary output,raw,deep_buffer,voip_rx"/>
+                <route type="mix" sink="USB Device Out"
+                       sources="primary output,raw,deep_buffer,compressed_offload,hifi_playback,mmap_no_irq_out,voip_rx"/>
+                <route type="mix" sink="USB Headset Out"
+                       sources="primary output,raw,deep_buffer,compressed_offload,hifi_playback,mmap_no_irq_out,voip_rx"/>
+                <route type="mix" sink="Telephony Tx"
+                       sources="voice_tx,incall_music_uplink"/>
+                <route type="mix" sink="primary input"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
+                <route type="mix" sink="fast input"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
+                <route type="mix" sink="voice_rx"
+                       sources="Telephony Rx"/>
+                <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
+                <route type="mix" sink="mmap_no_irq_in"
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
+                <route type="mix" sink="voip_tx"
+                       sources="Built-In Mic,Built-In Back Mic,BT SCO Headset Mic,USB Device In,USB Headset In"/>
+            </routes>
+        </module>
+
+        <!-- A2DP Input Audio HAL -->
+        <xi:include href="a2dp_in_audio_policy_configuration.xml"/>
+
+        <!-- Usb Audio HAL -->
+        <module name="usb" halVersion="2.0">
+            <mixPorts>
+                <mixPort name="usb_accessory output" role="source">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </mixPort>
+            </mixPorts>
+            <devicePorts>
+                <devicePort tagName="USB Host Out" type="AUDIO_DEVICE_OUT_USB_ACCESSORY" role="sink">
+                    <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                             samplingRates="44100" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+                </devicePort>
+            </devicePorts>
+            <routes>
+                <route type="mix" sink="USB Host Out"
+                       sources="usb_accessory output"/>
+            </routes>
+        </module>
+
+        <!-- Remote Submix Audio HAL -->
+        <xi:include href="r_submix_audio_policy_configuration.xml"/>
+
+        <!-- Bluetooth Audio HAL -->
+        <xi:include href="bluetooth_audio_policy_configuration.xml"/>
+
+    </modules>
+
+    <!-- Volume section -->
+
+    <xi:include href="audio_policy_volumes.xml"/>
+    <xi:include href="default_volume_tables.xml"/>
+
+</audioPolicyConfiguration>
diff --git a/bluetooth_audio_policy_configuration.xml b/bluetooth_audio_policy_configuration.xml
new file mode 100644
index 00000000..ce78eb00
--- /dev/null
+++ b/bluetooth_audio_policy_configuration.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Bluetooth Audio HAL Audio Policy Configuration file -->
+<module name="bluetooth" halVersion="2.0">
+    <mixPorts>
+        <!-- A2DP Audio Ports -->
+        <mixPort name="a2dp output" role="source"/>
+        <!-- Hearing AIDs Audio Ports -->
+        <mixPort name="hearing aid output" role="source">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="24000,16000"
+                     channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+        </mixPort>
+    </mixPorts>
+    <devicePorts>
+        <!-- A2DP Audio Ports -->
+        <devicePort tagName="BT A2DP Out" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP" role="sink">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="44100,48000,88200,96000"
+                     channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+        </devicePort>
+        <devicePort tagName="BT A2DP Headphones" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES" role="sink">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="44100,48000,88200,96000"
+                     channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+        </devicePort>
+        <devicePort tagName="BT A2DP Speaker" type="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER" role="sink">
+            <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"
+                     samplingRates="44100,48000,88200,96000"
+                     channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
+        </devicePort>
+        <!-- Hearing AIDs Audio Ports -->
+        <devicePort tagName="BT Hearing Aid Out" type="AUDIO_DEVICE_OUT_HEARING_AID" role="sink"/>
+    </devicePorts>
+    <routes>
+        <route type="mix" sink="BT A2DP Out"
+               sources="a2dp output"/>
+        <route type="mix" sink="BT A2DP Headphones"
+               sources="a2dp output"/>
+        <route type="mix" sink="BT A2DP Speaker"
+               sources="a2dp output"/>
+        <route type="mix" sink="BT Hearing Aid Out"
+               sources="hearing aid output"/>
+    </routes>
+</module>
diff --git a/device.mk b/device.mk
index 1a60244d..213183f8 100755
--- a/device.mk
+++ b/device.mk
@@ -493,12 +493,14 @@ PRODUCT_PACKAGES += \
     audio.usb.default \
     audio.r_submix.default \
     libaudio-resampler \
-    audio.hearing_aid.default
+    audio.hearing_aid.default \
+    audio.bluetooth.default
 
 PRODUCT_PACKAGES += \
     android.hardware.audio@4.0-impl:32 \
     android.hardware.audio.effect@4.0-impl:32 \
     android.hardware.soundtrigger@2.1-impl:32 \
+    android.hardware.bluetooth.audio@2.0-impl \
     android.hardware.audio@2.0-service
 
 # stereo speakers: orientation changes swap L/R channels
@@ -531,6 +533,9 @@ endif
 
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy_configuration.xml \
+    $(LOCAL_PATH)/audio_policy_configuration_bluetooth_hal_enabled.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy_configuration_bluetooth_hal_enabled.xml \
+    $(LOCAL_PATH)/a2dp_in_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/a2dp_in_audio_policy_configuration.xml \
+    $(LOCAL_PATH)/bluetooth_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/bluetooth_audio_policy_configuration.xml \
     frameworks/av/services/audiopolicy/config/a2dp_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/a2dp_audio_policy_configuration.xml \
     frameworks/av/services/audiopolicy/config/usb_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/usb_audio_policy_configuration.xml \
     frameworks/av/services/audiopolicy/config/r_submix_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/r_submix_audio_policy_configuration.xml \
diff --git a/manifest.xml b/manifest.xml
index 75c41983..25800a72 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -35,6 +35,15 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl">
+        <name>android.hardware.bluetooth.audio</name>
+        <transport>hwbinder</transport>
+        <version>2.0</version>
+        <interface>
+            <name>IBluetoothAudioProvidersFactory</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl">
         <name>android.hardware.boot</name>
         <transport>hwbinder</transport>