graphics: disable hdr

* 42c9655523

AndroidProducts.mk

@@ -1,11 +1,15 @@
 #
-# Copyright (C) 2021-2022 KonstaKANG
+# Copyright (C) 2021-2023 KonstaKANG
 #
 # SPDX-License-Identifier: Apache-2.0
 #
 
 PRODUCT_MAKEFILES := \
-    $(LOCAL_DIR)/aosp_rpi4.mk
+    $(LOCAL_DIR)/aosp_rpi4.mk \
+    $(LOCAL_DIR)/aosp_rpi4_car.mk \
+    $(LOCAL_DIR)/aosp_rpi4_tv.mk
 
 COMMON_LUNCH_CHOICES := \
-    aosp_rpi4-userdebug
+    aosp_rpi4-trunk_staging-userdebug \
+    aosp_rpi4_car-trunk_staging-userdebug \
+    aosp_rpi4_tv-trunk_staging-userdebug

BoardConfig.mk

@@ -6,83 +6,67 @@
 
 DEVICE_PATH := device/brcm/rpi4
 
-# Platform
-TARGET_NO_BOOTLOADER := true
-TARGET_NO_RECOVERY := true
-
-TARGET_BOARD_PLATFORM := rpi
-
+# Architecture
 TARGET_ARCH := arm64
 TARGET_ARCH_VARIANT := armv8-a
 TARGET_CPU_ABI := arm64-v8a
 TARGET_CPU_ABI2 :=
-TARGET_CPU_VARIANT := cortex-a72
-
-TARGET_2ND_ARCH := arm
-TARGET_2ND_ARCH_VARIANT := armv7-a-neon
-TARGET_2ND_CPU_ABI := armeabi-v7a
-TARGET_2ND_CPU_ABI2 := armeabi
-TARGET_2ND_CPU_VARIANT := cortex-a72
+TARGET_CPU_VARIANT := generic
 
 # Bluetooth
-BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth
-BOARD_CUSTOM_BT_CONFIG := $(DEVICE_PATH)/bluetooth/vnd_rpi4.txt
 BOARD_HAVE_BLUETOOTH := true
-BOARD_HAVE_BLUETOOTH_BCM := true
 
-# Camera
-BOARD_LIBCAMERA_IPAS := raspberrypi
-BOARD_LIBCAMERA_PIPELINES := raspberrypi
-BOARD_LIBCAMERA_USES_MESON_BUILD := true
+# Bootloader
+TARGET_NO_BOOTLOADER := true
 
 # Display
 TARGET_SCREEN_DENSITY := 240
 
-# Graphics
-BOARD_MESA3D_USES_MESON_BUILD := true
-BOARD_MESA3D_GALLIUM_DRIVERS := vc4 v3d
-BOARD_MESA3D_VULKAN_DRIVERS := broadcom
-
 # Kernel
 BOARD_CUSTOM_BOOTIMG := true
 BOARD_CUSTOM_BOOTIMG_MK := $(DEVICE_PATH)/mkbootimg.mk
 BOARD_KERNEL_CMDLINE := console=ttyS0,115200 no_console_suspend root=/dev/ram0 rootwait androidboot.hardware=rpi4
 
 # Manifest
+DEVICE_FRAMEWORK_COMPATIBILITY_MATRIX_FILE := $(DEVICE_PATH)/framework_compatibility_matrix.xml
 DEVICE_MANIFEST_FILE := $(DEVICE_PATH)/manifest.xml
-DEVICE_MATRIX_FILE := $(DEVICE_PATH)/compatibility_matrix.xml
-
-# Media
-TARGET_ENABLE_MEDIADRM_64 := true
+PRODUCT_MANIFEST_FILES := $(DEVICE_PATH)/product_manifest.xml
 
 # Partition sizes
 BOARD_FLASH_BLOCK_SIZE := 4096
 BOARD_BOOTIMAGE_PARTITION_SIZE := 134217728 # 128M
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648 # 2048M
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2684354560 # 2560M
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 134217728 # 128M
 BOARD_VENDORIMAGE_PARTITION_SIZE := 268435456 # 256M
 BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := ext4
 TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
 TARGET_USERIMAGES_USE_EXT4 := true
 
+# Platform
+TARGET_BOARD_PLATFORM := bcm2711
+TARGET_BOOTLOADER_BOARD_NAME := bcm2711
+
 # Properties
 TARGET_VENDOR_PROP += $(DEVICE_PATH)/vendor.prop
 
+# Recovery
+TARGET_NO_RECOVERY := true
+
 # SELinux
 BOARD_SEPOLICY_DIRS += device/brcm/rpi4/sepolicy
 BOARD_KERNEL_CMDLINE += androidboot.selinux=permissive
 
 # Treble
-BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
-BOARD_VNDK_VERSION := current
-PRODUCT_FULL_TREBLE_OVERRIDE := true
 TARGET_COPY_OUT_VENDOR := vendor
 
+# Virtualization
+BOARD_KERNEL_CMDLINE += androidboot.hypervisor.vm.supported=1
+
 # Wifi
 BOARD_WLAN_DEVICE := bcmdhd
 BOARD_HOSTAPD_DRIVER := NL80211
 BOARD_HOSTAPD_PRIVATE_LIB := lib_driver_cmd_$(BOARD_WLAN_DEVICE)
 BOARD_WPA_SUPPLICANT_DRIVER := NL80211
 BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_$(BOARD_WLAN_DEVICE)
-WIFI_HIDL_UNIFIED_SUPPLICANT_SERVICE_RC_ENTRY := true
 WPA_SUPPLICANT_VERSION := VER_0_8_X
+BOARD_KERNEL_CMDLINE += androidboot.wificountrycode=00

README.md

@@ -1 +1 @@
-Raspberry Vanilla AOSP 12 device configuration for Raspberry Pi 4.
+Raspberry Vanilla AOSP 16 device configuration for Raspberry Pi 4.

aosp_rpi4.mk

@@ -1,16 +1,41 @@
 #
-# Copyright (C) 2021-2022 KonstaKANG
+# Copyright (C) 2021-2023 KonstaKANG
 #
 # SPDX-License-Identifier: Apache-2.0
 #
 
+DEVICE_PATH := device/brcm/rpi4
+
 # Inherit device configuration
 $(call inherit-product, device/brcm/rpi4/device.mk)
 
+PRODUCT_AAPT_CONFIG := normal mdpi hdpi
+PRODUCT_AAPT_PREF_CONFIG := hdpi
+PRODUCT_CHARACTERISTICS := tablet,nosdcard
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk)
+$(call enforce-product-packages-exist,com.android.ranging)
+
+# Keylayout
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/keylayout/Generic.kl:$(TARGET_COPY_OUT_VENDOR)/usr/keylayout/Generic.kl
+
+# Overlays
+PRODUCT_PACKAGES += \
+    AndroidRpiOverlay \
+    BluetoothRpiOverlay \
+    SettingsProviderRpiOverlay \
+    SettingsRpiOverlay \
+    SystemUIRpiOverlay \
+    WifiRpiOverlay
+
+# Permissions
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/tablet_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/tablet_core_hardware.xml
+
 # Device identifier. This must come after all inclusions.
 PRODUCT_DEVICE := rpi4
 PRODUCT_NAME := aosp_rpi4
 PRODUCT_BRAND := Raspberry
-PRODUCT_MODEL := Raspberry Pi 4
+PRODUCT_MODEL := Pi 4
 PRODUCT_MANUFACTURER := Raspberry
-PRODUCT_RELEASE_NAME := Raspberry Pi 4

aosp_rpi4_car.mk

@@ -0,0 +1,118 @@
+#
+# Copyright (C) 2021-2023 KonstaKANG
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+DEVICE_PATH := device/brcm/rpi4
+
+# Inherit device configuration
+$(call inherit-product, device/brcm/rpi4/device.mk)
+
+PRODUCT_AAPT_CONFIG := normal mdpi hdpi
+PRODUCT_AAPT_PREF_CONFIG := hdpi
+PRODUCT_CHARACTERISTICS := automotive,nosdcard
+
+$(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk)
+$(call inherit-product, packages/services/Car/car_product/build/car.mk)
+$(call enforce-product-packages-exist,Bluetooth Keyguard Launcher2 OverviewApp RotaryIME RotaryPlayground com.android.ranging libnfc_ndef libvariablespeed pppd)
+
+# Audio
+PRODUCT_PACKAGES += \
+    android.hardware.automotive.audiocontrol-service.example
+
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/car/car_audio_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/car_audio_configuration.xml
+
+# Bluetooth
+PRODUCT_VENDOR_PROPERTIES += \
+    bluetooth.device.class_of_device=38,4,8 \
+    bluetooth.profile.asha.central.enabled=false \
+    bluetooth.profile.bap.broadcast.assist.enabled=false \
+    bluetooth.profile.bap.unicast.client.enabled=false \
+    bluetooth.profile.bas.client.enabled=false \
+    bluetooth.profile.ccp.server.enabled=false \
+    bluetooth.profile.csip.set_coordinator.enabled=false \
+    bluetooth.profile.hap.client.enabled=false \
+    bluetooth.profile.hfp.ag.enabled=false \
+    bluetooth.profile.hid.device.enabled=false \
+    bluetooth.profile.hid.host.enabled=false \
+    bluetooth.profile.map.server.enabled=false \
+    bluetooth.profile.mcp.server.enabled=false \
+    bluetooth.profile.opp.enabled=false \
+    bluetooth.profile.pbap.server.enabled=false \
+    bluetooth.profile.sap.server.enabled=false \
+    bluetooth.profile.vcp.controller.enabled=false
+
+# Broadcast radio
+PRODUCT_PACKAGES += \
+    android.hardware.broadcastradio-service.default
+
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.broadcastradio.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.broadcastradio.xml
+
+# Camera
+ENABLE_CAMERA_SERVICE := true
+
+# CAN
+PRODUCT_PACKAGES += \
+    android.hardware.automotive.can-service
+
+PRODUCT_PACKAGES += \
+    canhalctrl \
+    canhaldump \
+    canhalsend
+
+# Display
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/car/display_settings.xml:$(TARGET_COPY_OUT_VENDOR)/etc/display_settings.xml
+
+# EVS
+PRODUCT_PACKAGES += \
+    android.hardware.automotive.evs-v4l2 \
+    cardisplayproxyd \
+    CarEvsCameraPreviewApp \
+    evs_app \
+    evsmanagerd
+
+PRODUCT_COPY_FILES += \
+    packages/services/Car/cpp/evs/manager/aidl/init.evs.rc:$(TARGET_COPY_OUT_SYSTEM)/etc/init/init.evs.rc
+
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/car/evs_config_override.json:${TARGET_COPY_OUT_VENDOR}/etc/automotive/evs/config_override.json
+
+include packages/services/Car/cpp/evs/apps/sepolicy/evsapp.mk
+
+# Keylayout
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/keylayout/Generic.kl:$(TARGET_COPY_OUT_VENDOR)/usr/keylayout/Generic.kl
+
+# Occupant awareness
+PRODUCT_PACKAGES += \
+    android.hardware.automotive.occupant_awareness@1.0-service
+
+include packages/services/Car/car_product/occupant_awareness/OccupantAwareness.mk
+
+# Overlays
+PRODUCT_PACKAGES += \
+    AndroidRpiOverlay \
+    BluetoothRpiOverlay \
+    CarServiceRpiOverlay \
+    SettingsProviderRpiOverlay \
+    WifiRpiOverlay
+
+# Permissions
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.software.activities_on_secondary_displays.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.activities_on_secondary_displays.xml \
+    frameworks/native/data/etc/car_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/car_core_hardware.xml
+
+# Vehicle
+PRODUCT_PACKAGES += \
+    android.hardware.automotive.vehicle@V4-default-service
+
+# Device identifier. This must come after all inclusions.
+PRODUCT_DEVICE := rpi4
+PRODUCT_NAME := aosp_rpi4_car
+PRODUCT_BRAND := Raspberry
+PRODUCT_MODEL := Pi 4
+PRODUCT_MANUFACTURER := Raspberry

aosp_rpi4_tv.mk

@@ -0,0 +1,50 @@
+#
+# Copyright (C) 2021-2023 KonstaKANG
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+DEVICE_PATH := device/brcm/rpi4
+
+# Inherit device configuration
+$(call inherit-product, device/brcm/rpi4/device.mk)
+
+PRODUCT_AAPT_PREF_CONFIG := tvdpi
+PRODUCT_CHARACTERISTICS := tv
+
+$(call inherit-product, device/google/atv/products/atv_base.mk)
+$(call enforce-product-packages-exist,com.android.ranging)
+
+# Android TV
+PRODUCT_PACKAGES += \
+    DocumentsUI \
+    LeanbackIME \
+    TvProvision \
+    TvSampleLeanbackLauncher \
+    TvSettingsTwoPanel
+
+# Bluetooth
+PRODUCT_VENDOR_PROPERTIES += \
+    bluetooth.device.class_of_device=34,4,36
+
+# Boot animation
+PRODUCT_COPY_FILES += \
+    device/google/atv/products/bootanimations/bootanimation.zip:$(TARGET_COPY_OUT_SYSTEM)/media/bootanimation.zip
+
+# Keylayout
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/keylayout/Generic-tv.kl:$(TARGET_COPY_OUT_VENDOR)/usr/keylayout/Generic.kl
+
+# Overlays
+PRODUCT_PACKAGES += \
+    AndroidTvRpiOverlay \
+    BluetoothRpiOverlay \
+    SettingsProviderTvRpiOverlay \
+    WifiRpiOverlay
+
+# Device identifier. This must come after all inclusions.
+PRODUCT_DEVICE := rpi4
+PRODUCT_NAME := aosp_rpi4_tv
+PRODUCT_BRAND := Raspberry
+PRODUCT_MODEL := Pi 4
+PRODUCT_MANUFACTURER := Raspberry

audio/Android.bp

@@ -1,12 +1,12 @@
 // Copyright (C) 2015 The Android Open Source Project
-// Copyright (C) 2021-2022 KonstaKANG
+// Copyright (C) 2021-2023 KonstaKANG
 //
 // SPDX-License-Identifier: Apache-2.0
 
 cc_library_shared {
     name: "audio.primary.rpi",
     relative_install_path: "hw",
-    proprietary: true,
+    vendor: true,
     srcs: ["audio_hw.c"],
     include_dirs: [
         "external/expat/lib",
@@ -22,3 +22,22 @@ cc_library_shared {
     ],
     cflags: ["-Wno-unused-parameter"],
 }
+
+cc_library_shared {
+    name: "audio.primary.rpi_hdmi",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: ["audio_hw_hdmi.c"],
+    include_dirs: [
+        "external/expat/lib",
+        "system/media/audio_effects/include",
+        "system/media/audio_utils/include",
+    ],
+    header_libs: ["libhardware_headers"],
+    shared_libs: [
+        "libcutils",
+        "liblog",
+        "libasound",
+    ],
+    cflags: ["-Wno-unused-parameter"],
+}

audio/audio_hw.c

@@ -57,6 +57,9 @@
 #define CHANNEL_STEREO 2
 #define MIN_WRITE_SLEEP_US      5000
 
+int pcm_card;
+int pcm_device;
+
 struct stub_stream_in {
     struct audio_stream_in stream;
 };
@@ -84,17 +87,52 @@ struct alsa_stream_out {
     unsigned int written;
 };
 
+static int probe_pcm_out_card() {
+    FILE *fp;
+    char card_node[32];
+    char card_id[16];
+
+    char card_prop[PROPERTY_VALUE_MAX];
+    property_get("persist.vendor.audio.device", card_prop, "");
+
+    for (int i = 0; i < 5; i++) {
+        snprintf(card_node, sizeof(card_node), "/proc/asound/card%d/id", i);
+        if ((fp = fopen(card_node, "r")) != NULL) {
+            fgets(card_id, sizeof(card_id), fp);
+            ALOGV("%s: %s", card_node, card_id);
+            if (!strcmp(card_prop, "jack") && !strncmp(card_id, "Headphones", 10)) {
+                fclose(fp);
+                ALOGI("Using PCM card %d for 3.5mm audio jack", i);
+                return i;
+            } else if (!strcmp(card_prop, "dac") && strncmp(card_id, "Headphones", 10)
+                    && strncmp(card_id, "vc4hdmi", 7)) {
+                fclose(fp);
+                ALOGI("Using PCM card %d for audio DAC %s", i, card_id);
+                return i;
+            }
+            fclose(fp);
+        }
+    }
+
+    ALOGE("Could not probe PCM card for %s, using PCM card 0", card_prop);
+    return 0;
+}
+
 static int get_pcm_card()
 {
     char card[PROPERTY_VALUE_MAX];
-    property_get("persist.audio.pcm.card", card, "0");
+    property_get("persist.vendor.audio.pcm.card.auto", card, "false");
+    if (!strcmp(card, "true"))
+        return probe_pcm_out_card();
+
+    property_get("persist.vendor.audio.pcm.card", card, "0");
     return atoi(card);
 }
 
 static int get_pcm_device()
 {
     char device[PROPERTY_VALUE_MAX];
-    property_get("persist.audio.pcm.device", device, "0");
+    property_get("persist.vendor.audio.pcm.device", device, "0");
     return atoi(device);
 }
 
@@ -113,7 +151,7 @@ static int start_output_stream(struct alsa_stream_out *out)
     out->config.start_threshold = PLAYBACK_PERIOD_START_THRESHOLD * PERIOD_SIZE;
     out->config.avail_min = PERIOD_SIZE;
 
-    out->pcm = pcm_open(get_pcm_card(), get_pcm_device(), PCM_OUT | PCM_MMAP | PCM_NOIRQ | PCM_MONOTONIC, &out->config);
+    out->pcm = pcm_open(pcm_card, pcm_device, PCM_OUT | PCM_MMAP | PCM_NOIRQ | PCM_MONOTONIC, &out->config);
 
     if (!pcm_is_ready(out->pcm)) {
         ALOGE("cannot open pcm_out driver: %s", pcm_get_error(out->pcm));
@@ -311,17 +349,17 @@ static int out_get_presentation_position(const struct audio_stream_out *stream,
     struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
     int ret = -1;
 
-        if (out->pcm) {
-            unsigned int avail;
-            if (pcm_get_htimestamp(out->pcm, &avail, timestamp) == 0) {
-                size_t kernel_buffer_size = out->config.period_size * out->config.period_count;
-                int64_t signed_frames = out->written - kernel_buffer_size + avail;
-                if (signed_frames >= 0) {
-                    *frames = signed_frames;
-                    ret = 0;
-                }
+    if (out->pcm) {
+        unsigned int avail;
+        if (pcm_get_htimestamp(out->pcm, &avail, timestamp) == 0) {
+            size_t kernel_buffer_size = out->config.period_size * out->config.period_count;
+            int64_t signed_frames = out->written - kernel_buffer_size + avail;
+            if (signed_frames >= 0) {
+                *frames = signed_frames;
+                ret = 0;
             }
         }
+    }
 
     return ret;
 }
@@ -449,7 +487,7 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
     struct pcm_params *params;
     int ret = 0;
 
-    params = pcm_params_get(get_pcm_card(), get_pcm_device(), PCM_OUT);
+    params = pcm_params_get(pcm_card, pcm_device, PCM_OUT);
     if (!params)
         return -ENOSYS;
 
@@ -655,6 +693,10 @@ static int adev_open(const hw_module_t* module, const char* name,
 
     ALOGV("adev_open: %s", name);
 
+    pcm_card = get_pcm_card();
+    pcm_device = get_pcm_device();
+    ALOGI("adev_open: pcm_card %d, pcm_device %d", pcm_card, pcm_device);
+
     if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
         return -EINVAL;
 

audio/audio_hw_hdmi.c

@@ -0,0 +1,773 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2021-2023 KonstaKANG
+ *
+ * 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 "audio_hw_rpi_hdmi"
+//#define LOG_NDEBUG 0
+
+#include <errno.h>
+#include <malloc.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <sys/time.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <log/log.h>
+#include <cutils/str_parms.h>
+#include <cutils/properties.h>
+
+#include <hardware/hardware.h>
+#include <system/audio.h>
+#include <hardware/audio.h>
+
+#include <alsa/asoundlib.h>
+#include <audio_utils/resampler.h>
+#include <audio_utils/echo_reference.h>
+#include <hardware/audio_effect.h>
+#include <audio_effects/effect_aec.h>
+
+
+/* Minimum granularity - Arbitrary but small value */
+#define CODEC_BASE_FRAME_COUNT 32
+
+/* number of base blocks in a short period (low latency) */
+#define PERIOD_MULTIPLIER 32  /* 21 ms */
+/* number of frames per short period (low latency) */
+#define PERIOD_SIZE (CODEC_BASE_FRAME_COUNT * PERIOD_MULTIPLIER)
+/* number of pseudo periods for low latency playback */
+#define PLAYBACK_PERIOD_COUNT 4
+#define PLAYBACK_PERIOD_START_THRESHOLD 2
+#define CODEC_SAMPLING_RATE 48000
+#define CHANNEL_STEREO 2
+#define MIN_WRITE_SLEEP_US      5000
+
+char device_name[PROPERTY_VALUE_MAX];
+
+struct stub_stream_in {
+    struct audio_stream_in stream;
+};
+
+struct alsa_audio_device {
+    struct audio_hw_device hw_device;
+
+    pthread_mutex_t lock;   /* see note below on mutex acquisition order */
+    int devices;
+    struct alsa_stream_in *active_input;
+    struct alsa_stream_out *active_output;
+    bool mic_mute;
+};
+
+struct alsa_stream_out {
+    struct audio_stream_out stream;
+    struct alsa_audio_device *dev;
+
+    pthread_mutex_t lock;   /* see note below on mutex acquisition order */
+    snd_pcm_t *pcm;
+
+    snd_pcm_uframes_t period_size;
+    unsigned int periods;
+    snd_pcm_uframes_t buffer_size;
+
+    bool unavailable;
+    int standby;
+    snd_pcm_uframes_t written;
+};
+
+static void get_alsa_device_name(char *name) {
+    char hdmi_device[PROPERTY_VALUE_MAX];
+    property_get("persist.vendor.audio.hdmi.device", hdmi_device, "vc4hdmi0");
+
+    // use card configured in vc4-hdmi.conf to get IEC958 subframe conversion
+    sprintf(name, "default:CARD=%s", hdmi_device);
+}
+
+/* must be called with hw device and output stream mutexes locked */
+static int start_output_stream(struct alsa_stream_out *out)
+{
+    struct alsa_audio_device *adev = out->dev;
+
+    if (out->unavailable)
+        return -ENODEV;
+
+    ALOGI("start_output_stream: %s", device_name);
+
+    int r;
+    snd_pcm_t *pcm;
+
+    if ((r = snd_pcm_open(&pcm, device_name, SND_PCM_STREAM_PLAYBACK, 0) < 0)) {
+        ALOGE("cannot open pcm_out driver: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+    out->pcm = pcm;
+
+    snd_pcm_hw_params_t *hwp;
+    snd_pcm_hw_params_alloca(&hwp);
+    snd_pcm_hw_params_any(pcm, hwp);
+    snd_pcm_hw_params_set_access(pcm, hwp, SND_PCM_ACCESS_RW_INTERLEAVED);
+    snd_pcm_hw_params_set_format(pcm, hwp, SND_PCM_FORMAT_S16_LE);
+    snd_pcm_hw_params_set_rate(pcm, hwp, CODEC_SAMPLING_RATE, 0);
+    snd_pcm_hw_params_set_channels(pcm, hwp, CHANNEL_STEREO);
+
+    // Configurue period_size, periods and buffer_size
+    int dir = 0;
+    out->period_size = PERIOD_SIZE;
+    if ((r = snd_pcm_hw_params_set_period_size_near(pcm, hwp, &out->period_size, &dir)) < 0) {
+        ALOGE("cannot snd_pcm_hw_params_set_period_size_near: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+    dir = 0;
+    out->periods = PLAYBACK_PERIOD_COUNT;
+    if ((r = snd_pcm_hw_params_set_periods_near(pcm, hwp, &out->periods, &dir)) < 0) {
+        ALOGE("cannot snd_pcm_hw_params_set_periods_near: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+    out->buffer_size = out->period_size * out->periods;
+    if ((r = snd_pcm_hw_params_set_buffer_size_near(pcm, hwp, &out->buffer_size)) < 0) {
+        ALOGE("cannot snd_pcm_hw_params_set_buffer_size_near: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+
+    //write the hw params
+    if ((r = snd_pcm_hw_params(pcm, hwp)) < 0) {
+        ALOGE("cannot snd_pcm_hw_params: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+
+    //Software parameters
+    snd_pcm_sw_params_t *swp;
+    snd_pcm_sw_params_alloca(&swp);
+    snd_pcm_sw_params_current(pcm, swp);
+
+    // set avail_min to period_size
+    if ((r = snd_pcm_sw_params_set_avail_min(pcm, swp, out->period_size)) < 0) {
+        ALOGE("cannot snd_pcm_sw_params_set_avail_min: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+    // set start_threshold to period_size * PLAYBACK_PERIOD_START_THRESHOLD
+    if ((r = snd_pcm_sw_params_set_start_threshold(pcm, swp, out->period_size * PLAYBACK_PERIOD_START_THRESHOLD)) < 0) {
+        ALOGE("cannot snd_pcm_sw_params_set_start_threshold: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+    //write the sw params
+    if ((r = snd_pcm_sw_params(pcm, swp)) < 0) {
+        ALOGE("cannot snd_pcm_sw_params: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+
+    // prepare
+    if ((r = snd_pcm_prepare(pcm)) < 0) {
+        ALOGE("cannot snd_pcm_prepare: %s", snd_strerror(r));
+        adev->active_output = NULL;
+        out->unavailable = true;
+        return -ENODEV;
+    }
+
+    adev->active_output = out;
+    return 0;
+}
+
+static uint32_t out_get_sample_rate(const struct audio_stream *stream)
+{
+    ALOGV("out_get_sample_rate: %d", CODEC_SAMPLING_RATE);
+    return CODEC_SAMPLING_RATE;
+}
+
+static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
+{
+    ALOGV("out_set_sample_rate: %d", 0);
+    return -ENOSYS;
+}
+
+static size_t out_get_buffer_size(const struct audio_stream *stream)
+{
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+
+    /* return the closest majoring multiple of 16 frames, as
+     * audioflinger expects audio buffers to be a multiple of 16 frames */
+    size_t size = out->period_size;
+    size = ((size + 15) / 16) * 16;
+    ALOGV("out_get_buffer_size: %ld", (long int)size);
+    return size * audio_stream_out_frame_size((struct audio_stream_out *)stream);
+}
+
+static audio_channel_mask_t out_get_channels(const struct audio_stream *stream)
+{
+    ALOGV("out_get_channels: %d", CHANNEL_STEREO);
+    return audio_channel_out_mask_from_count(CHANNEL_STEREO);
+}
+
+static audio_format_t out_get_format(const struct audio_stream *stream)
+{
+    ALOGV("out_get_format: %d", AUDIO_FORMAT_PCM_16_BIT);
+    return AUDIO_FORMAT_PCM_16_BIT;
+}
+
+static int out_set_format(struct audio_stream *stream, audio_format_t format)
+{
+    ALOGV("out_set_format: %d",format);
+    return -ENOSYS;
+}
+
+static int do_output_standby(struct alsa_stream_out *out)
+{
+    struct alsa_audio_device *adev = out->dev;
+
+    if (!out->standby) {
+        snd_pcm_close(out->pcm);
+        out->pcm = NULL;
+        adev->active_output = NULL;
+        out->standby = 1;
+    }
+    return 0;
+}
+
+static int out_standby(struct audio_stream *stream)
+{
+    ALOGV("out_standby");
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+    int status;
+
+    pthread_mutex_lock(&out->dev->lock);
+    pthread_mutex_lock(&out->lock);
+    status = do_output_standby(out);
+    pthread_mutex_unlock(&out->lock);
+    pthread_mutex_unlock(&out->dev->lock);
+    return status;
+}
+
+static int out_dump(const struct audio_stream *stream, int fd)
+{
+    ALOGV("out_dump");
+    return 0;
+}
+
+static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
+{
+    ALOGV("out_set_parameters");
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+    struct alsa_audio_device *adev = out->dev;
+    struct str_parms *parms;
+    char value[32];
+    int val = 0;
+    int ret = -EINVAL;
+
+    if (kvpairs == NULL || kvpairs[0] == 0) {
+        return 0;
+    }
+
+    parms = str_parms_create_str(kvpairs);
+
+    if (str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value, sizeof(value)) >= 0) {
+        val = atoi(value);
+        pthread_mutex_lock(&adev->lock);
+        pthread_mutex_lock(&out->lock);
+        if (((adev->devices & AUDIO_DEVICE_OUT_ALL) != val) && (val != 0)) {
+            adev->devices &= ~AUDIO_DEVICE_OUT_ALL;
+            adev->devices |= val;
+        }
+        pthread_mutex_unlock(&out->lock);
+        pthread_mutex_unlock(&adev->lock);
+        ret = 0;
+    }
+
+    str_parms_destroy(parms);
+    return ret;
+}
+
+static char * out_get_parameters(const struct audio_stream *stream, const char *keys)
+{
+    ALOGV("out_get_parameters");
+    return strdup("");
+}
+
+static uint32_t out_get_latency(const struct audio_stream_out *stream)
+{
+    ALOGV("out_get_latency");
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+    // latency = buffer_size / rate
+    return (out->buffer_size * 1000) / CODEC_SAMPLING_RATE;
+}
+
+static int out_set_volume(struct audio_stream_out *stream, float left,
+        float right)
+{
+    ALOGV("out_set_volume: Left:%f Right:%f", left, right);
+    return 0;
+}
+
+static ssize_t out_write(struct audio_stream_out *stream, const void* buffer,
+        size_t bytes)
+{
+    int ret;
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+    struct alsa_audio_device *adev = out->dev;
+    size_t frame_size = audio_stream_out_frame_size(stream);
+    snd_pcm_uframes_t out_frames = bytes / frame_size;
+
+    /* acquiring hw device mutex systematically is useful if a low priority thread is waiting
+     * on the output stream mutex - e.g. executing select_mode() while holding the hw device
+     * mutex
+     */
+    pthread_mutex_lock(&adev->lock);
+    pthread_mutex_lock(&out->lock);
+    if (out->standby) {
+        ret = start_output_stream(out);
+        if (ret != 0) {
+            pthread_mutex_unlock(&adev->lock);
+            goto exit;
+        }
+        out->standby = 0;
+    }
+
+    pthread_mutex_unlock(&adev->lock);
+
+    ALOGV("out_write: out_frames:%ld", (long int)out_frames);
+
+    ret = snd_pcm_writei(out->pcm, buffer, out_frames);
+    if (ret == out_frames) {
+        out->written += out_frames;
+    }
+exit:
+    pthread_mutex_unlock(&out->lock);
+
+    if (ret != out_frames) {
+        if (ret == -EPIPE) {
+            ALOGE("underrun deteced -> redo snd_pcm_prepare");
+            snd_pcm_prepare(out->pcm);
+        } else {
+            ALOGE("out_write err: %s", snd_strerror(ret));
+            usleep((int64_t)bytes * 1000000 / audio_stream_out_frame_size(stream) /
+                out_get_sample_rate(&stream->common));
+        }
+    }
+
+    return bytes;
+}
+
+static int out_get_render_position(const struct audio_stream_out *stream,
+        uint32_t *dsp_frames)
+{
+    *dsp_frames = 0;
+    ALOGV("out_get_render_position: dsp_frames: %p", dsp_frames);
+    return -EINVAL;
+}
+
+static int out_get_presentation_position(const struct audio_stream_out *stream,
+                                   uint64_t *frames, struct timespec *timestamp)
+{
+    struct alsa_stream_out *out = (struct alsa_stream_out *)stream;
+    int ret = -1;
+
+    if (out->pcm) {
+        snd_pcm_uframes_t avail;
+        int r;
+        if ((r = snd_pcm_htimestamp(out->pcm, &avail, timestamp)) == 0) {
+            int64_t signed_frames = (int64_t)(out->written) - out->buffer_size + avail;
+            if (signed_frames >= 0) {
+                *frames = signed_frames;
+                ret = 0;
+            }
+            ALOGV("out_get_presentation_position: %ld", (long int)(*frames));
+        } else {
+            ALOGE("out_get_presentation_position: err: %s", snd_strerror(r));
+        }
+    } else {
+        ALOGV("out_get_presentation_position: stream in standby");
+    }
+    return ret;
+}
+
+
+static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
+{
+    ALOGV("out_add_audio_effect: %p", effect);
+    return 0;
+}
+
+static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
+{
+    ALOGV("out_remove_audio_effect: %p", effect);
+    return 0;
+}
+
+static int out_get_next_write_timestamp(const struct audio_stream_out *stream,
+        int64_t *timestamp)
+{
+    *timestamp = 0;
+    ALOGV("out_get_next_write_timestamp: %ld", (long int)(*timestamp));
+    return -EINVAL;
+}
+
+/** audio_stream_in implementation **/
+static uint32_t in_get_sample_rate(const struct audio_stream *stream)
+{
+    ALOGV("in_get_sample_rate");
+    return 8000;
+}
+
+static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate)
+{
+    ALOGV("in_set_sample_rate: %d", rate);
+    return -ENOSYS;
+}
+
+static size_t in_get_buffer_size(const struct audio_stream *stream)
+{
+    ALOGV("in_get_buffer_size: %d", 320);
+    return 320;
+}
+
+static audio_channel_mask_t in_get_channels(const struct audio_stream *stream)
+{
+    ALOGV("in_get_channels: %d", AUDIO_CHANNEL_IN_MONO);
+    return AUDIO_CHANNEL_IN_MONO;
+}
+
+static audio_format_t in_get_format(const struct audio_stream *stream)
+{
+    return AUDIO_FORMAT_PCM_16_BIT;
+}
+
+static int in_set_format(struct audio_stream *stream, audio_format_t format)
+{
+    return -ENOSYS;
+}
+
+static int in_standby(struct audio_stream *stream)
+{
+    return 0;
+}
+
+static int in_dump(const struct audio_stream *stream, int fd)
+{
+    return 0;
+}
+
+static int in_set_parameters(struct audio_stream *stream, const char *kvpairs)
+{
+    return 0;
+}
+
+static char * in_get_parameters(const struct audio_stream *stream,
+        const char *keys)
+{
+    return strdup("");
+}
+
+static int in_set_gain(struct audio_stream_in *stream, float gain)
+{
+    return 0;
+}
+
+static ssize_t in_read(struct audio_stream_in *stream, void* buffer,
+        size_t bytes)
+{
+    ALOGV("in_read: bytes %zu", bytes);
+    /* XXX: fake timing for audio input */
+    usleep((int64_t)bytes * 1000000 / audio_stream_in_frame_size(stream) /
+            in_get_sample_rate(&stream->common));
+    memset(buffer, 0, bytes);
+    return bytes;
+}
+
+static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream)
+{
+    return 0;
+}
+
+static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
+{
+    return 0;
+}
+
+static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
+{
+    return 0;
+}
+
+static int adev_open_output_stream(struct audio_hw_device *dev,
+        audio_io_handle_t handle,
+        audio_devices_t devices,
+        audio_output_flags_t flags,
+        struct audio_config *config,
+        struct audio_stream_out **stream_out,
+        const char *address __unused)
+{
+    ALOGV("adev_open_output_stream...");
+
+    struct alsa_audio_device *ladev = (struct alsa_audio_device *)dev;
+    struct alsa_stream_out *out;
+    int ret = 0;
+
+    out = (struct alsa_stream_out *)calloc(1, sizeof(struct alsa_stream_out));
+    if (!out)
+        return -ENOMEM;
+
+    out->stream.common.get_sample_rate = out_get_sample_rate;
+    out->stream.common.set_sample_rate = out_set_sample_rate;
+    out->stream.common.get_buffer_size = out_get_buffer_size;
+    out->stream.common.get_channels = out_get_channels;
+    out->stream.common.get_format = out_get_format;
+    out->stream.common.set_format = out_set_format;
+    out->stream.common.standby = out_standby;
+    out->stream.common.dump = out_dump;
+    out->stream.common.set_parameters = out_set_parameters;
+    out->stream.common.get_parameters = out_get_parameters;
+    out->stream.common.add_audio_effect = out_add_audio_effect;
+    out->stream.common.remove_audio_effect = out_remove_audio_effect;
+    out->stream.get_latency = out_get_latency;
+    out->stream.set_volume = out_set_volume;
+    out->stream.write = out_write;
+    out->stream.get_render_position = out_get_render_position;
+    out->stream.get_next_write_timestamp = out_get_next_write_timestamp;
+    out->stream.get_presentation_position = out_get_presentation_position;
+
+    out->period_size = PERIOD_SIZE;
+    out->periods = PLAYBACK_PERIOD_COUNT;
+    out->buffer_size = out->period_size * out->periods;
+
+    out->dev = ladev;
+    out->standby = 1;
+    out->unavailable = false;
+
+    config->format = out_get_format(&out->stream.common);
+    config->channel_mask = out_get_channels(&out->stream.common);
+    config->sample_rate = out_get_sample_rate(&out->stream.common);
+
+    *stream_out = &out->stream;
+
+    /* TODO The retry mechanism isn't implemented in AudioPolicyManager/AudioFlinger. */
+    ret = 0;
+
+    return ret;
+}
+
+static void adev_close_output_stream(struct audio_hw_device *dev,
+        struct audio_stream_out *stream)
+{
+    ALOGV("adev_close_output_stream...");
+    free(stream);
+}
+
+static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
+{
+    ALOGV("adev_set_parameters");
+    return -ENOSYS;
+}
+
+static char * adev_get_parameters(const struct audio_hw_device *dev,
+        const char *keys)
+{
+    ALOGV("adev_get_parameters");
+    return strdup("");
+}
+
+static int adev_init_check(const struct audio_hw_device *dev)
+{
+    ALOGV("adev_init_check");
+    return 0;
+}
+
+static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
+{
+    ALOGV("adev_set_voice_volume: %f", volume);
+    return -ENOSYS;
+}
+
+static int adev_set_master_volume(struct audio_hw_device *dev, float volume)
+{
+    ALOGV("adev_set_master_volume: %f", volume);
+    return -ENOSYS;
+}
+
+static int adev_get_master_volume(struct audio_hw_device *dev, float *volume)
+{
+    ALOGV("adev_get_master_volume: %f", *volume);
+    return -ENOSYS;
+}
+
+static int adev_set_master_mute(struct audio_hw_device *dev, bool muted)
+{
+    ALOGV("adev_set_master_mute: %d", muted);
+    return -ENOSYS;
+}
+
+static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted)
+{
+    ALOGV("adev_get_master_mute: %d", *muted);
+    return -ENOSYS;
+}
+
+static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode)
+{
+    ALOGV("adev_set_mode: %d", mode);
+    return 0;
+}
+
+static int adev_set_mic_mute(struct audio_hw_device *dev, bool state)
+{
+    ALOGV("adev_set_mic_mute: %d",state);
+    return -ENOSYS;
+}
+
+static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state)
+{
+    ALOGV("adev_get_mic_mute");
+    return -ENOSYS;
+}
+
+static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev,
+        const struct audio_config *config)
+{
+    ALOGV("adev_get_input_buffer_size: %d", 320);
+    return 320;
+}
+
+static int adev_open_input_stream(struct audio_hw_device __unused *dev,
+        audio_io_handle_t handle,
+        audio_devices_t devices,
+        struct audio_config *config,
+        struct audio_stream_in **stream_in,
+        audio_input_flags_t flags __unused,
+        const char *address __unused,
+        audio_source_t source __unused)
+{
+    struct stub_stream_in *in;
+
+    ALOGV("adev_open_input_stream...");
+
+    in = (struct stub_stream_in *)calloc(1, sizeof(struct stub_stream_in));
+    if (!in)
+        return -ENOMEM;
+
+    in->stream.common.get_sample_rate = in_get_sample_rate;
+    in->stream.common.set_sample_rate = in_set_sample_rate;
+    in->stream.common.get_buffer_size = in_get_buffer_size;
+    in->stream.common.get_channels = in_get_channels;
+    in->stream.common.get_format = in_get_format;
+    in->stream.common.set_format = in_set_format;
+    in->stream.common.standby = in_standby;
+    in->stream.common.dump = in_dump;
+    in->stream.common.set_parameters = in_set_parameters;
+    in->stream.common.get_parameters = in_get_parameters;
+    in->stream.common.add_audio_effect = in_add_audio_effect;
+    in->stream.common.remove_audio_effect = in_remove_audio_effect;
+    in->stream.set_gain = in_set_gain;
+    in->stream.read = in_read;
+    in->stream.get_input_frames_lost = in_get_input_frames_lost;
+
+    *stream_in = &in->stream;
+    return 0;
+}
+
+static void adev_close_input_stream(struct audio_hw_device *dev,
+        struct audio_stream_in *in)
+{
+    ALOGV("adev_close_input_stream...");
+    return;
+}
+
+static int adev_dump(const audio_hw_device_t *device, int fd)
+{
+    ALOGV("adev_dump");
+    return 0;
+}
+
+static int adev_close(hw_device_t *device)
+{
+    ALOGV("adev_close");
+    free(device);
+    return 0;
+}
+
+static int adev_open(const hw_module_t* module, const char* name,
+        hw_device_t** device)
+{
+    struct alsa_audio_device *adev;
+
+    ALOGV("adev_open: %s", name);
+
+    get_alsa_device_name(device_name);
+    ALOGI("adev_open: %s", device_name);
+
+    if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
+        return -EINVAL;
+
+    adev = calloc(1, sizeof(struct alsa_audio_device));
+    if (!adev)
+        return -ENOMEM;
+
+    adev->hw_device.common.tag = HARDWARE_DEVICE_TAG;
+    adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
+    adev->hw_device.common.module = (struct hw_module_t *) module;
+    adev->hw_device.common.close = adev_close;
+    adev->hw_device.init_check = adev_init_check;
+    adev->hw_device.set_voice_volume = adev_set_voice_volume;
+    adev->hw_device.set_master_volume = adev_set_master_volume;
+    adev->hw_device.get_master_volume = adev_get_master_volume;
+    adev->hw_device.set_master_mute = adev_set_master_mute;
+    adev->hw_device.get_master_mute = adev_get_master_mute;
+    adev->hw_device.set_mode = adev_set_mode;
+    adev->hw_device.set_mic_mute = adev_set_mic_mute;
+    adev->hw_device.get_mic_mute = adev_get_mic_mute;
+    adev->hw_device.set_parameters = adev_set_parameters;
+    adev->hw_device.get_parameters = adev_get_parameters;
+    adev->hw_device.get_input_buffer_size = adev_get_input_buffer_size;
+    adev->hw_device.open_output_stream = adev_open_output_stream;
+    adev->hw_device.close_output_stream = adev_close_output_stream;
+    adev->hw_device.open_input_stream = adev_open_input_stream;
+    adev->hw_device.close_input_stream = adev_close_input_stream;
+    adev->hw_device.dump = adev_dump;
+
+    adev->devices = AUDIO_DEVICE_NONE;
+
+    *device = &adev->hw_device.common;
+
+    return 0;
+}
+
+static struct hw_module_methods_t hal_module_methods = {
+    .open = adev_open,
+};
+
+struct audio_module HAL_MODULE_INFO_SYM = {
+    .common = {
+        .tag = HARDWARE_MODULE_TAG,
+        .module_api_version = AUDIO_MODULE_API_VERSION_0_1,
+        .hal_api_version = HARDWARE_HAL_API_VERSION,
+        .id = AUDIO_HARDWARE_MODULE_ID,
+        .name = "Raspberry Pi audio hdmi HW HAL",
+        .author = "The Android Open Source Project",
+        .methods = &hal_module_methods,
+    },
+};

audio/vc4-hdmi.conf

@@ -1,68 +0,0 @@
-# Configuration for the VC4-HDMI sound card using software IEC958
-# subframe conversion
-
-<confdir:pcm/hdmi.conf>
-vc4-hdmi.pcm.hdmi.0 {
-	@args [ CARD AES0 AES1 AES2 AES3 ]
-	@args.CARD {
-		type string
-	}
-	@args.AES0 {
-		type integer
-	}
-	@args.AES1 {
-		type integer
-	}
-	@args.AES2 {
-		type integer
-	}
-	@args.AES3 {
-		type integer
-	}
-	type iec958
-	slave {
-		format IEC958_SUBFRAME_LE
-		pcm {
-			type hooks
-			slave.pcm {
-				type hw
-				card $CARD
-				device 0
-			}
-			hooks.0 {
-				type ctl_elems
-				hook_args [
-				{
-					name "IEC958 Playback Default"
-					interface PCM
-					optional true
-					lock true
-					preserve true
-					value [ $AES0 $AES1 $AES2 $AES3 ]
-				}
-				]
-			}
-		}
-	}
-	status [ $AES0 $AES1 $AES2 $AES3 ]
-}
-
-# default with plug
-vc4-hdmi.pcm.default {
-	@args [ CARD ]
-	@args.CARD {
-		type string
-	}
-	type plug
-	slave.pcm {
-		type softvol
-		slave.pcm {
-			@func concat
-			strings [ "hdmi:" $CARD ]
-		}
-		control {
-			name "PCM Playback Volume"
-			card $CARD
-		}
-	}
-}

bluetooth/Android.bp

@@ -0,0 +1,56 @@
+// Copyright (C) 2020 The Android Open Source Project
+// Copyright (C) 2024 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+cc_binary {
+    name: "android.hardware.bluetooth-service.rpi",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "BluetoothHci.cpp",
+        "main.cpp",
+        "net_bluetooth_mgmt.cpp",
+    ],
+    static_libs: [
+        "android.hardware.bluetooth.async",
+        "android.hardware.bluetooth.hci",
+    ],
+    shared_libs: [
+        "android.hardware.bluetooth-V1-ndk",
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "libutils",
+    ],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.bluetooth-service.rpi.rc",
+    src: "android.hardware.bluetooth-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.bluetooth-service.rpi.xml",
+    src: "android.hardware.bluetooth-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.bluetooth.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.bluetooth-service.rpi"],
+    prebuilts: [
+        "android.hardware.bluetooth-service.rpi.rc",
+        "android.hardware.bluetooth-service.rpi.xml",
+    ],
+}

bluetooth/BluetoothHci.cpp

@@ -0,0 +1,227 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2024 KonstaKANG
+ *
+ * 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 "android.hardware.bluetooth.service.rpi"
+
+#include "BluetoothHci.h"
+
+#include "log/log.h"
+
+using namespace ::android::hardware::bluetooth::hci;
+using namespace ::android::hardware::bluetooth::async;
+using aidl::android::hardware::bluetooth::Status;
+
+namespace aidl::android::hardware::bluetooth::impl {
+
+void OnDeath(void* cookie);
+
+class BluetoothDeathRecipient {
+ public:
+  BluetoothDeathRecipient(BluetoothHci* hci) : mHci(hci) {}
+
+  void LinkToDeath(const std::shared_ptr<IBluetoothHciCallbacks>& cb) {
+    mCb = cb;
+    clientDeathRecipient_ = AIBinder_DeathRecipient_new(OnDeath);
+    auto linkToDeathReturnStatus = AIBinder_linkToDeath(
+        mCb->asBinder().get(), clientDeathRecipient_, this /* cookie */);
+    LOG_ALWAYS_FATAL_IF(linkToDeathReturnStatus != STATUS_OK,
+                        "Unable to link to death recipient");
+  }
+
+  void UnlinkToDeath(const std::shared_ptr<IBluetoothHciCallbacks>& cb) {
+    LOG_ALWAYS_FATAL_IF(cb != mCb, "Unable to unlink mismatched pointers");
+  }
+
+  void serviceDied() {
+    if (mCb != nullptr && !AIBinder_isAlive(mCb->asBinder().get())) {
+      ALOGE("Bluetooth remote service has died");
+    } else {
+      ALOGE("BluetoothDeathRecipient::serviceDied called but service not dead");
+      return;
+    }
+    {
+      std::lock_guard<std::mutex> guard(mHasDiedMutex);
+      has_died_ = true;
+    }
+    mHci->close();
+  }
+  BluetoothHci* mHci;
+  std::shared_ptr<IBluetoothHciCallbacks> mCb;
+  AIBinder_DeathRecipient* clientDeathRecipient_;
+  bool getHasDied() {
+    std::lock_guard<std::mutex> guard(mHasDiedMutex);
+    return has_died_;
+  }
+
+ private:
+  std::mutex mHasDiedMutex;
+  bool has_died_{false};
+};
+
+void OnDeath(void* cookie) {
+  auto* death_recipient = static_cast<BluetoothDeathRecipient*>(cookie);
+  death_recipient->serviceDied();
+}
+
+BluetoothHci::BluetoothHci() {
+  mDeathRecipient = std::make_shared<BluetoothDeathRecipient>(this);
+}
+
+ndk::ScopedAStatus BluetoothHci::initialize(
+    const std::shared_ptr<IBluetoothHciCallbacks>& cb) {
+  ALOGI(__func__);
+
+  if (cb == nullptr) {
+    ALOGE("cb == nullptr! -> Unable to call initializationComplete(ERR)");
+    return ndk::ScopedAStatus::fromServiceSpecificError(STATUS_BAD_VALUE);
+  }
+
+  HalState old_state = HalState::READY;
+  {
+    std::lock_guard<std::mutex> guard(mStateMutex);
+    if (mState != HalState::READY) {
+      old_state = mState;
+    } else {
+      mState = HalState::INITIALIZING;
+    }
+  }
+
+  if (old_state != HalState::READY) {
+    ALOGE("initialize: Unexpected State %d", static_cast<int>(old_state));
+    close();
+    cb->initializationComplete(Status::ALREADY_INITIALIZED);
+    return ndk::ScopedAStatus::ok();
+  }
+
+  mCb = cb;
+  management_.reset(new NetBluetoothMgmt);
+  mFd = management_->openHci();
+  if (mFd < 0) {
+    management_.reset();
+
+    ALOGI("Unable to open Linux interface.");
+    mState = HalState::READY;
+    cb->initializationComplete(Status::UNABLE_TO_OPEN_INTERFACE);
+    return ndk::ScopedAStatus::ok();
+  }
+
+  mDeathRecipient->LinkToDeath(mCb);
+
+  mH4 = std::make_shared<H4Protocol>(
+      mFd,
+      [](const std::vector<uint8_t>& /* raw_command */) {
+        LOG_ALWAYS_FATAL("Unexpected command!");
+      },
+      [this](const std::vector<uint8_t>& raw_acl) {
+        mCb->aclDataReceived(raw_acl);
+      },
+      [this](const std::vector<uint8_t>& raw_sco) {
+        mCb->scoDataReceived(raw_sco);
+      },
+      [this](const std::vector<uint8_t>& raw_event) {
+        mCb->hciEventReceived(raw_event);
+      },
+      [this](const std::vector<uint8_t>& raw_iso) {
+        mCb->isoDataReceived(raw_iso);
+      },
+      [this]() {
+        ALOGI("HCI socket device disconnected");
+        mFdWatcher.StopWatchingFileDescriptors();
+      });
+  mFdWatcher.WatchFdForNonBlockingReads(mFd,
+                                        [this](int) { mH4->OnDataReady(); });
+
+  {
+    std::lock_guard<std::mutex> guard(mStateMutex);
+    mState = HalState::ONE_CLIENT;
+  }
+  ALOGI("initialization complete");
+  auto status = mCb->initializationComplete(Status::SUCCESS);
+  if (!status.isOk()) {
+    if (!mDeathRecipient->getHasDied()) {
+      ALOGE("Error sending init callback, but no death notification");
+    }
+    close();
+    return ndk::ScopedAStatus::fromServiceSpecificError(
+        STATUS_FAILED_TRANSACTION);
+  }
+
+  return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothHci::close() {
+  ALOGI(__func__);
+  {
+    std::lock_guard<std::mutex> guard(mStateMutex);
+    if (mState != HalState::ONE_CLIENT) {
+      LOG_ALWAYS_FATAL_IF(mState == HalState::INITIALIZING,
+                          "mState is INITIALIZING");
+      ALOGI("Already closed");
+      return ndk::ScopedAStatus::ok();
+    }
+    mState = HalState::CLOSING;
+  }
+
+  mFdWatcher.StopWatchingFileDescriptors();
+
+  management_->closeHci();
+
+  {
+    std::lock_guard<std::mutex> guard(mStateMutex);
+    mState = HalState::READY;
+    mH4 = nullptr;
+  }
+  return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothHci::sendHciCommand(
+    const std::vector<uint8_t>& packet) {
+  return send(PacketType::COMMAND, packet);
+}
+
+ndk::ScopedAStatus BluetoothHci::sendAclData(
+    const std::vector<uint8_t>& packet) {
+  return send(PacketType::ACL_DATA, packet);
+}
+
+ndk::ScopedAStatus BluetoothHci::sendScoData(
+    const std::vector<uint8_t>& packet) {
+  return send(PacketType::SCO_DATA, packet);
+}
+
+ndk::ScopedAStatus BluetoothHci::sendIsoData(
+    const std::vector<uint8_t>& packet) {
+  return send(PacketType::ISO_DATA, packet);
+}
+
+ndk::ScopedAStatus BluetoothHci::send(PacketType type,
+    const std::vector<uint8_t>& v) {
+  if (v.empty()) {
+    ALOGE("Packet is empty, no data was found to be sent");
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+  }
+
+  std::lock_guard<std::mutex> guard(mStateMutex);
+  if (mH4 == nullptr) {
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+  }
+
+  mH4->Send(type, v);
+  return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::bluetooth::impl

bluetooth/BluetoothHci.h

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2024 KonstaKANG
+ *
+ * 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/BnBluetoothHci.h>
+#include <aidl/android/hardware/bluetooth/IBluetoothHciCallbacks.h>
+
+#include "async_fd_watcher.h"
+#include "h4_protocol.h"
+#include "net_bluetooth_mgmt.h"
+
+namespace aidl::android::hardware::bluetooth::impl {
+
+class BluetoothDeathRecipient;
+
+// This Bluetooth HAL implementation connects with a serial port at dev_path_.
+class BluetoothHci : public BnBluetoothHci {
+ public:
+  BluetoothHci();
+
+  ndk::ScopedAStatus initialize(
+      const std::shared_ptr<IBluetoothHciCallbacks>& cb) override;
+
+  ndk::ScopedAStatus sendHciCommand(
+      const std::vector<uint8_t>& packet) override;
+
+  ndk::ScopedAStatus sendAclData(const std::vector<uint8_t>& packet) override;
+
+  ndk::ScopedAStatus sendScoData(const std::vector<uint8_t>& packet) override;
+
+  ndk::ScopedAStatus sendIsoData(const std::vector<uint8_t>& packet) override;
+
+  ndk::ScopedAStatus close() override;
+
+ private:
+  int mFd{-1};
+  std::shared_ptr<IBluetoothHciCallbacks> mCb = nullptr;
+
+  std::shared_ptr<::android::hardware::bluetooth::hci::H4Protocol> mH4;
+
+  std::shared_ptr<BluetoothDeathRecipient> mDeathRecipient;
+
+  ::android::hardware::bluetooth::async::AsyncFdWatcher mFdWatcher;
+
+  [[nodiscard]] ndk::ScopedAStatus send(
+      ::android::hardware::bluetooth::hci::PacketType type,
+      const std::vector<uint8_t>& packet);
+  std::unique_ptr<NetBluetoothMgmt> management_{};
+
+  // Don't close twice or open before close is complete
+  std::mutex mStateMutex;
+  enum class HalState {
+    READY,
+    INITIALIZING,
+    ONE_CLIENT,
+    CLOSING,
+  } mState{HalState::READY};
+};
+
+}  // namespace aidl::android::hardware::bluetooth::impl

bluetooth/android.hardware.bluetooth-service.rpi.rc

@@ -0,0 +1,6 @@
+service vendor.bluetooth-rpi /apex/com.android.hardware.bluetooth.rpi4/bin/hw/android.hardware.bluetooth-service.rpi
+    class hal
+    capabilities BLOCK_SUSPEND NET_ADMIN SYS_NICE
+    user bluetooth
+    group bluetooth
+    task_profiles HighPerformance

bluetooth/android.hardware.bluetooth-service.rpi.xml

@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.bluetooth</name>
+        <fqname>IBluetoothHci/default</fqname>
+    </hal>
+</manifest>

bluetooth/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                             u:object_r:vendor_file:s0
+/etc(/.*)?                                         u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.bluetooth-service\.rpi  u:object_r:hal_bluetooth_default_exec:s0

bluetooth/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.bluetooth.rpi4",
+    "version": 1
+}

bluetooth/bdroid_buildcfg.h

@@ -1,12 +0,0 @@
-/*
- * Copyright (C) 2021-2022 KonstaKANG
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#ifndef _BDROID_BUILDCFG_H
-#define _BDROID_BUILDCFG_H
-
-#define BTM_DEF_LOCAL_NAME "Raspberry Pi 4"
-
-#endif

bluetooth/main.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2024 KonstaKANG
+ *
+ * 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 "BluetoothHci.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using ::aidl::android::hardware::bluetooth::impl::BluetoothHci;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<BluetoothHci> bluetooth = ndk::SharedRefBase::make<BluetoothHci>();
+
+    const std::string instance = std::string() + BluetoothHci::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(bluetooth->asBinder().get(), instance.c_str());
+    CHECK(status == STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

bluetooth/net_bluetooth_mgmt.cpp

@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2024 KonstaKANG
+ *
+ * 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 "android.hardware.bluetooth.service.rpi"
+
+#include "net_bluetooth_mgmt.h"
+
+#include <fcntl.h>
+#include <log/log.h>
+#include <poll.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <cerrno>
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+
+// Definitions imported from <linux/net/bluetooth/bluetooth.h>
+#define BTPROTO_HCI 1
+
+// Definitions imported from <linux/net/bluetooth/hci_sock.h>
+#define HCI_CHANNEL_USER 1
+#define HCI_CHANNEL_CONTROL 3
+#define HCI_DEV_NONE 0xffff
+
+struct sockaddr_hci {
+  sa_family_t hci_family;
+  unsigned short hci_dev;
+  unsigned short hci_channel;
+};
+
+// Definitions imported from <linux/net/bluetooth/mgmt.h>
+#define MGMT_OP_READ_INDEX_LIST 0x0003
+#define MGMT_EV_INDEX_ADDED 0x0004
+#define MGMT_EV_CMD_COMPLETE 0x0001
+#define MGMT_PKT_SIZE_MAX 1024
+#define MGMT_INDEX_NONE 0xFFFF
+#define WRITE_NO_INTR(fn) \
+  do {                  \
+  } while ((fn) == -1 && errno == EINTR)
+
+struct mgmt_pkt {
+  uint16_t opcode;
+  uint16_t index;
+  uint16_t len;
+  uint8_t data[MGMT_PKT_SIZE_MAX];
+} __attribute__((packed));
+
+struct mgmt_ev_read_index_list {
+  uint16_t opcode;
+  uint8_t status;
+  uint16_t num_controllers;
+  uint16_t index[];
+} __attribute__((packed));
+
+namespace aidl::android::hardware::bluetooth::impl {
+
+// Wait indefinitely for the selected HCI interface to be enabled in the
+// bluetooth driver.
+int NetBluetoothMgmt::waitHciDev(int hci_interface) {
+  ALOGI("waiting for hci interface %d", hci_interface);
+
+  int ret = -1;
+  struct mgmt_pkt cmd;
+  struct pollfd pollfd;
+  struct sockaddr_hci hci_addr = {
+      .hci_family = AF_BLUETOOTH,
+      .hci_dev = HCI_DEV_NONE,
+      .hci_channel = HCI_CHANNEL_CONTROL,
+  };
+
+  // Open and bind a socket to the bluetooth control interface in the
+  // kernel driver, used to send control commands and receive control
+  // events.
+  int fd = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
+  if (fd < 0) {
+    ALOGE("unable to open raw bluetooth socket: %s", strerror(errno));
+    return -1;
+  }
+
+  if (bind(fd, (struct sockaddr*)&hci_addr, sizeof(hci_addr)) < 0) {
+    ALOGE("unable to bind bluetooth control channel: %s", strerror(errno));
+    goto end;
+  }
+
+  // Send the control command [Read Index List].
+  cmd = {
+      .opcode = MGMT_OP_READ_INDEX_LIST,
+      .index = MGMT_INDEX_NONE,
+      .len = 0,
+  };
+
+  if (write(fd, &cmd, 6) != 6) {
+    ALOGE("error writing mgmt command: %s", strerror(errno));
+    goto end;
+  }
+
+  // Poll the control socket waiting for the command response,
+  // and subsequent [Index Added] events. The loops continue without
+  // timeout until the selected hci interface is detected.
+  pollfd = {.fd = fd, .events = POLLIN};
+
+  for (;;) {
+    ret = poll(&pollfd, 1, -1);
+
+    // Poll interrupted, try again.
+    if (ret == -1 && (errno == EINTR || errno == EAGAIN)) {
+      continue;
+    }
+
+    // Poll failure, abandon.
+    if (ret == -1) {
+      ALOGE("poll error: %s", strerror(errno));
+      break;
+    }
+
+    // Spurious wakeup, try again.
+    if (ret == 0 || (pollfd.revents & POLLIN) == 0) {
+      continue;
+    }
+
+    // Read the next control event.
+    struct mgmt_pkt ev {};
+    ret = read(fd, &ev, sizeof(ev));
+    if (ret < 0) {
+      ALOGE("error reading mgmt event: %s", strerror(errno));
+      goto end;
+    }
+
+    // Received [Read Index List] command response.
+    if (ev.opcode == MGMT_EV_CMD_COMPLETE) {
+      struct mgmt_ev_read_index_list* data =
+          (struct mgmt_ev_read_index_list*)ev.data;
+
+      // Prefer the exact hci_interface
+      for (int i = 0; i < data->num_controllers; i++) {
+        if (data->index[i] == hci_interface) {
+          ALOGI("hci interface %d found", data->index[i]);
+          ret = data->index[i];
+          goto end;
+        }
+      }
+
+      // Accept a larger one if we can't find the exact one
+      for (int i = 0; i < data->num_controllers; i++) {
+        if (data->index[i] >= hci_interface) {
+          ALOGI("hci interface %d found", data->index[i]);
+          ret = data->index[i];
+          goto end;
+        }
+      }
+    }
+
+    // Received [Index Added] event.
+    if (ev.opcode == MGMT_EV_INDEX_ADDED && ev.index == hci_interface) {
+      ALOGI("hci interface %d added", hci_interface);
+      ret = hci_interface;
+      goto end;
+    }
+  }
+
+end:
+  ::close(fd);
+  return ret;
+}
+
+int NetBluetoothMgmt::findRfKill() {
+    char rfkill_type[64];
+    char type[16];
+    int fd, size, i;
+    for(i = 0; rfkill_state_ == NULL; i++)
+    {
+        snprintf(rfkill_type, sizeof(rfkill_type), "/sys/class/rfkill/rfkill%d/type", i);
+        if ((fd = open(rfkill_type, O_RDONLY)) < 0)
+        {
+            ALOGE("open(%s) failed: %s (%d)\n", rfkill_type, strerror(errno), errno);
+            return -1;
+        }
+
+        size = read(fd, &type, sizeof(type));
+        ::close(fd);
+
+        if ((size >= 9) && !memcmp(type, "bluetooth", 9))
+        {
+            ::asprintf(&rfkill_state_, "/sys/class/rfkill/rfkill%d/state", i);
+            break;
+        }
+    }
+    return 0;
+}
+
+int NetBluetoothMgmt::rfKill(int block) {
+  int fd;
+  char on = (block)?'1':'0';
+  if (findRfKill() != 0) return 0;
+
+  fd = open(rfkill_state_, O_WRONLY);
+  if (fd < 0) {
+    ALOGE( "Unable to open /dev/rfkill");
+    return -1;
+  }
+  ssize_t len;
+  WRITE_NO_INTR(len = write(fd, &on, 1));
+  if (len < 0) {
+    ALOGE( "Failed to change rfkill state");
+    ::close(fd);
+    return -1;
+  }
+  ::close(fd);
+  return 0;
+}
+
+int NetBluetoothMgmt::openHci(int hci_interface) {
+  ALOGI("opening hci interface %d", hci_interface);
+
+  // Block Bluetooth.
+  rfkill_state_ = NULL;
+  rfKill(1);
+
+  // Wait for the HCI interface to complete initialization or to come online.
+  int hci = waitHciDev(hci_interface);
+  if (hci < 0) {
+    ALOGE("hci interface %d not found", hci_interface);
+    return -1;
+  }
+
+  // Open the raw HCI socket.
+  int fd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
+  if (fd < 0) {
+    ALOGE("unable to open raw bluetooth socket: %s", strerror(errno));
+    return -1;
+  }
+
+  struct sockaddr_hci hci_addr = {
+      .hci_family = AF_BLUETOOTH,
+      .hci_dev = static_cast<uint16_t>(hci),
+      .hci_channel = HCI_CHANNEL_USER,
+  };
+
+  // Bind the socket to the selected interface.
+  if (bind(fd, (struct sockaddr*)&hci_addr, sizeof(hci_addr)) < 0) {
+    ALOGE("unable to bind bluetooth user channel: %s", strerror(errno));
+    ::close(fd);
+    return -1;
+  }
+
+  ALOGI("hci interface %d ready", hci);
+  bt_fd_ = fd;
+  return fd;
+}
+
+void NetBluetoothMgmt::closeHci() {
+  if (bt_fd_ != -1) {
+    ::close(bt_fd_);
+    bt_fd_ = -1;
+  }
+
+  // Unblock Bluetooth.
+  rfKill(0);
+  free(rfkill_state_);
+}
+
+}  // namespace aidl::android::hardware::bluetooth::impl

bluetooth/net_bluetooth_mgmt.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2024 KonstaKANG
+ *
+ * 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 <unistd.h>
+
+namespace aidl::android::hardware::bluetooth::impl {
+
+class NetBluetoothMgmt {
+ public:
+  NetBluetoothMgmt() {}
+  ~NetBluetoothMgmt() {
+    ::close(bt_fd_);
+  }
+
+  int openHci(int hci_interface = 0);
+  void closeHci();
+
+ private:
+  int waitHciDev(int hci_interface);
+  int findRfKill();
+  int rfKill(int block);
+  char *rfkill_state_;
+
+  // File descriptor opened to the bluetooth user channel.
+  int bt_fd_{-1};
+};
+
+}  // namespace aidl::android::hardware::bluetooth::impl

bluetooth/vnd_rpi4.txt

@@ -1,14 +0,0 @@
-BLUETOOTH_UART_DEVICE_PORT = "/dev/ttyAMA0"
-FW_PATCHFILE_LOCATION = "/vendor/firmware/brcm/"
-FW_PATCH_SETTLEMENT_DELAY_MS = 200
-BT_WAKE_VIA_PROC = FALSE
-BT_WAKE_VIA_USERIAL_IOCTL = FALSE
-LPM_IDLE_TIMEOUT_MULTIPLE = 5
-SCO_CFG_INCLUDED = FALSE
-SCO_PCM_IF_CLOCK_RATE = 2
-BTVND_DBG = FALSE
-BTHW_DBG = FALSE
-VNDUSERIAL_DBG = FALSE
-UPIO_DBG = FALSE
-UART_TARGET_BAUD_RATE = 3000000
-USE_CONTROLLER_BDADDR = FALSE

boot/config.txt

@@ -12,16 +12,19 @@ dtparam=audio=on
 camera_auto_detect=1
 start_x=1
 
+# CPU
+arm_boost=1
+
 # Display
 disable_overscan=1
 
 # Display panel
 #dtoverlay=vc4-kms-dsi-7inch
-#dtoverlay=rpi-backlight
+#dtoverlay=vc4-kms-dsi-ili9881-7inch
 
 # Graphics acceleration
+disable_fw_kms_setup=1
 dtoverlay=vc4-kms-v3d
-dtoverlay=cma,cma-384
 
 # I2C
 #dtparam=i2c_arm=on
@@ -40,6 +43,3 @@ dtoverlay=dwc2,dr_mode=peripheral
 [cm4]
 dtoverlay=dwc2,dr_mode=otg
 [all]
-
-# V4L2
-#dtoverlay=rpivid-v4l2

camera/camera_hal.yaml

@@ -2,9 +2,24 @@ cameras:
   "/base/soc/i2c0mux/i2c@1/imx219@10":
     location: back
     rotation: 0
+  "/base/soc/i2c0mux/i2c@1/imx296@1a":
+    location: back
+    rotation: 0
   "/base/soc/i2c0mux/i2c@1/imx477@1a":
     location: back
     rotation: 0
+  "/base/soc/i2c0mux/i2c@1/imx500@1a":
+    location: back
+    rotation: 0
+  "/base/soc/i2c0mux/i2c@1/imx519@1a":
+    location: back
+    rotation: 0
+  "/base/soc/i2c0mux/i2c@1/imx708@1a":
+    location: back
+    rotation: 0
   "/base/soc/i2c0mux/i2c@1/ov5647@36":
     location: back
     rotation: 0
+  "/base/soc/i2c0mux/i2c@1/ov64a40@36":
+    location: back
+    rotation: 0

camera/external_camera_config.xml

@@ -32,6 +32,7 @@
             <id>21</id>
             <id>22</id>
             <id>23</id>
+            <id>31</id>
         </ignore>
     </Provider>
     <!-- See ExternalCameraUtils.cpp for default values of Device configurations below -->

car/car_audio_configuration.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 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.
+-->
+
+<!--
+  Defines the audio configuration in a car, including
+    - Audio zones
+    - Zone configurations (in each audio zone)
+    - Volume groups (in each zone configuration)
+    - Context to audio bus mappings (in each volume group)
+  in the car environment.
+-->
+<carAudioConfiguration version="3">
+    <zones>
+        <zone name="Primary zone" isPrimary="true" occupantZoneId="0">
+            <zoneConfigs>
+                <zoneConfig name="Config 0" isDefault="true">
+                    <volumeGroups>
+                        <group>
+                            <device address="Speaker">
+                                <context context="music"/>
+                                <context context="navigation"/>
+                                <context context="voice_command"/>
+                                <context context="call_ring"/>
+                                <context context="call"/>
+                                <context context="alarm"/>
+                                <context context="notification"/>
+                                <context context="system_sound"/>
+                                <context context="emergency"/>
+                                <context context="safety"/>
+                                <context context="vehicle_status"/>
+                                <context context="announcement"/>
+                            </device>
+                        </group>
+                    </volumeGroups>
+                </zoneConfig>
+            </zoneConfigs>
+        </zone>
+    </zones>
+</carAudioConfiguration>

car/display_settings.xml

@@ -0,0 +1,8 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
+<display-settings>
+    <!-- Use physical port number instead of local id -->
+    <config identifier="1" />
+
+    <!-- Display settings for cluster -->
+    <display name="port:1" dontMoveToTop="true" />
+</display-settings>

car/evs_config_override.json

@@ -0,0 +1,85 @@
+
+{
+  "car" : {
+    "width"  : 76.7,
+    "wheelBase" : 117.9,
+    "frontExtent" : 44.7,
+    "rearExtent" : 40
+  },
+  "displays" : [
+    {
+      "_comment": "Display0",
+      "displayPort" : 0,
+      "frontRange" : 100,
+      "rearRange" : 100
+    },
+    {
+      "_comment": "Display1",
+      "displayPort" : 1,
+      "frontRange" : 100,
+      "rearRange" : 100
+    }
+  ],
+  "graphic" : {
+    "frontPixel" : -20,
+    "rearPixel" : 260
+  },
+  "cameras" : [
+    {
+      "cameraId" : "/dev/video0",
+      "function" : "reverse",
+      "x" : 0.0,
+      "y" : 20.0,
+      "z" : 48,
+      "yaw" : 180,
+      "pitch" : -10,
+      "roll" : 0,
+      "hfov" : 115,
+      "vfov" : 80,
+      "hflip" : true,
+      "vflip" : false
+    },
+    {
+      "cameraId" : "1",
+      "function" : "front",
+      "x" : 0.0,
+      "y" : 100.0,
+      "z" : 48,
+      "yaw" : 0,
+      "pitch" : -10,
+      "roll" : 0,
+      "hfov" : 115,
+      "vfov" : 80,
+      "hflip" : false,
+      "vflip" : false
+    },
+    {
+      "cameraId" : "2",
+      "function" : "right",
+      "x" : -25.0,
+      "y" : 60.0,
+      "z" : 88,
+      "yaw" : -90,
+      "pitch" : -10,
+      "roll" : 0,
+      "hfov" : 60,
+      "vfov" : 62,
+      "hflip" : false,
+      "vflip" : false
+    },
+    {
+      "cameraId" : "3",
+      "function" : "left",
+      "x" : 20.0,
+      "y" : 60.0,
+      "z" : 88,
+      "yaw" : 90,
+      "pitch" : -10,
+      "roll" : 0,
+      "hfov" : 60,
+      "vfov" : 62,
+      "hflip" : false,
+      "vflip" : false
+    }
+  ]
+}

compatibility_matrix.xml

@@ -1,58 +0,0 @@
-<compatibility-matrix version="1.0" type="device">
-    <hal format="hidl" optional="false">
-        <name>android.frameworks.displayservice</name>
-        <version>1.0</version>
-        <interface>
-            <name>IDisplayService</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="false">
-        <name>android.frameworks.sensorservice</name>
-        <version>1.0</version>
-        <interface>
-            <name>ISensorManager</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="false">
-        <name>android.hidl.manager</name>
-        <version>1.2</version>
-        <interface>
-            <name>IServiceManager</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hidl.memory</name>
-        <version>1.0</version>
-        <interface>
-            <name>IMapper</name>
-            <instance>ashmem</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="false">
-        <name>android.hidl.token</name>
-        <version>1.0</version>
-        <interface>
-            <name>ITokenManager</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="false">
-        <name>android.system.net.netd</name>
-        <version>1.1</version>
-        <interface>
-            <name>INetd</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl" optional="false">
-        <name>android.system.wifi.keystore</name>
-        <version>1.0</version>
-        <interface>
-            <name>IKeystore</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-</compatibility-matrix>

device.mk

@@ -1,40 +1,31 @@
 #
-# Copyright (C) 2021-2022 KonstaKANG
+# Copyright (C) 2021-2023 KonstaKANG
 #
 # SPDX-License-Identifier: Apache-2.0
 #
 
 DEVICE_PATH := device/brcm/rpi4
-PRODUCT_SOONG_NAMESPACES += $(DEVICE_PATH)
 
-$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit.mk)
-$(call inherit-product, $(SRC_TARGET_DIR)/product/full_base.mk)
+$(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit_only.mk)
 $(call inherit-product, frameworks/native/build/tablet-7in-xhdpi-2048-dalvik-heap.mk)
 $(call inherit-product, vendor/brcm/rpi4/rpi4-vendor.mk)
 
-PRODUCT_AAPT_CONFIG := normal mdpi hdpi
-PRODUCT_AAPT_PREF_CONFIG := hdpi
-PRODUCT_CHARACTERISTICS := tablet,nosdcard
+# APEX
+$(call inherit-product, $(SRC_TARGET_DIR)/product/updatable_apex.mk)
 
 # API level
-PRODUCT_SHIPPING_API_LEVEL := 32
+PRODUCT_SHIPPING_API_LEVEL := 36
 
 # Audio
 PRODUCT_PACKAGES += \
     android.hardware.audio.service \
-    android.hardware.audio@7.0-impl \
+    android.hardware.audio@7.1-impl \
     android.hardware.audio.effect@7.0-impl \
     audio.primary.rpi \
+    audio.primary.rpi_hdmi \
     audio.r_submix.default \
     audio.usb.default
 
-PRODUCT_PACKAGES += \
-    tinycap \
-    tinyhostless \
-    tinymix \
-    tinypcminfo \
-    tinyplay
-
 PRODUCT_COPY_FILES += \
     $(DEVICE_PATH)/audio/audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy_configuration.xml \
     frameworks/av/media/libeffects/data/audio_effects.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_effects.xml \
@@ -43,49 +34,16 @@ PRODUCT_COPY_FILES += \
     frameworks/av/services/audiopolicy/config/r_submix_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/r_submix_audio_policy_configuration.xml \
     frameworks/av/services/audiopolicy/config/usb_audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/usb_audio_policy_configuration.xml
 
-PRODUCT_PACKAGES += \
-    alsa_amixer \
-    alsa_aplay \
-    alsa_arecord \
-    alsa_loop
-
-PRODUCT_COPY_FILES += \
-    $(DEVICE_PATH)/audio/vc4-hdmi.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/cards/vc4-hdmi.conf \
-    external/alsa-lib/src/conf/alsa.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/alsa.conf \
-    external/alsa-lib/src/conf/cards/aliases.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/cards/aliases.conf \
-    external/alsa-lib/src/conf/ctl/default.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/ctl/default.conf \
-    external/alsa-lib/src/conf/pcm/center_lfe.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/center_lfe.conf \
-    external/alsa-lib/src/conf/pcm/default.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/default.conf \
-    external/alsa-lib/src/conf/pcm/dmix.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/dmix.conf \
-    external/alsa-lib/src/conf/pcm/dpl.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/dpl.conf \
-    external/alsa-lib/src/conf/pcm/dsnoop.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/dsnoop.conf \
-    external/alsa-lib/src/conf/pcm/front.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/front.conf \
-    external/alsa-lib/src/conf/pcm/hdmi.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/hdmi.conf \
-    external/alsa-lib/src/conf/pcm/iec958.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/iec958.conf \
-    external/alsa-lib/src/conf/pcm/modem.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/modem.conf \
-    external/alsa-lib/src/conf/pcm/rear.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/rear.conf \
-    external/alsa-lib/src/conf/pcm/side.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/side.conf \
-    external/alsa-lib/src/conf/pcm/surround21.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround21.conf \
-    external/alsa-lib/src/conf/pcm/surround40.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround40.conf \
-    external/alsa-lib/src/conf/pcm/surround41.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround41.conf \
-    external/alsa-lib/src/conf/pcm/surround50.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround50.conf \
-    external/alsa-lib/src/conf/pcm/surround51.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround51.conf \
-    external/alsa-lib/src/conf/pcm/surround71.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/pcm/surround71.conf \
-    external/alsa-lib/src/conf/smixer.conf:$(TARGET_COPY_OUT_VENDOR)/etc/alsa/smixer.conf
-
 # Bluetooth
 PRODUCT_PACKAGES += \
-    android.hardware.bluetooth@1.0-impl \
-    android.hardware.bluetooth@1.0-service \
-    libbt-vendor
+    com.android.hardware.bluetooth.rpi4
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.bluetooth.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.bluetooth.xml \
     frameworks/native/data/etc/android.hardware.bluetooth_le.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.bluetooth_le.xml
 
 PRODUCT_PACKAGES += \
-    android.hardware.bluetooth.audio@2.0-impl \
-    audio.a2dp.default \
+    android.hardware.bluetooth.audio-impl \
     audio.bluetooth.default
 
 PRODUCT_COPY_FILES += \
@@ -94,7 +52,7 @@ PRODUCT_COPY_FILES += \
 
 # Camera
 PRODUCT_PACKAGES += \
-    android.hardware.camera.provider@2.5-external-service
+    android.hardware.camera.provider-V1-external-service
 
 PRODUCT_COPY_FILES += \
     $(DEVICE_PATH)/camera/external_camera_config.xml:$(TARGET_COPY_OUT_VENDOR)/etc/external_camera_config.xml
@@ -103,109 +61,122 @@ PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.camera.external.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.external.xml
 
 PRODUCT_PACKAGES += \
-    android.hardware.camera.provider@2.5-service_64 \
+    android.hardware.camera.provider-V1-libcamera-service \
     camera.libcamera \
-    ipa_rpi
+    ipa_rpi_vc4
 
 PRODUCT_COPY_FILES += \
-    $(DEVICE_PATH)/camera/camera_hal.yaml:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/camera_hal.yaml \
-    external/libcamera/src/ipa/raspberrypi/data/imx219.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/imx219.json \
-    external/libcamera/src/ipa/raspberrypi/data/imx219_noir.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/imx219_noir.json \
-    external/libcamera/src/ipa/raspberrypi/data/imx477.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/imx477.json \
-    external/libcamera/src/ipa/raspberrypi/data/imx477_noir.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/imx477_noir.json \
-    external/libcamera/src/ipa/raspberrypi/data/ov5647.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/ov5647.json \
-    external/libcamera/src/ipa/raspberrypi/data/ov5647_noir.json:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/ipa/raspberrypi/ov5647_noir.json
+    $(DEVICE_PATH)/camera/camera_hal.yaml:$(TARGET_COPY_OUT_VENDOR)/etc/libcamera/camera_hal.yaml
 
 PRODUCT_COPY_FILES += \
-    frameworks/native/data/etc/android.hardware.camera.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.xml
+    frameworks/native/data/etc/android.hardware.camera.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.xml \
+    frameworks/native/data/etc/android.hardware.camera.concurrent.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.concurrent.xml \
+    frameworks/native/data/etc/android.hardware.camera.flash-autofocus.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.flash-autofocus.xml \
+    frameworks/native/data/etc/android.hardware.camera.front.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.front.xml \
+    frameworks/native/data/etc/android.hardware.camera.full.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.full.xml \
+    frameworks/native/data/etc/android.hardware.camera.raw.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.raw.xml
 
 PRODUCT_COPY_FILES += \
     $(DEVICE_PATH)/camera/media_profiles_V1_0.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_V1_0.xml
 
+# CEC
+PRODUCT_PACKAGES += \
+    com.android.hardware.tv.hdmi.cec.rpi4 \
+    com.android.hardware.tv.hdmi.connection.rpi4
+
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.hdmi.cec.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.hdmi.cec.xml
+
 # Debugfs
 PRODUCT_SET_DEBUGFS_RESTRICTIONS := false
 
 # DRM
 PRODUCT_PACKAGES += \
-    android.hardware.drm@1.0-impl \
-    android.hardware.drm@1.0-service \
-    android.hardware.drm@1.4-service.clearkey
+    com.android.hardware.drm.clearkey
+
+# Emergency info
+PRODUCT_PACKAGES += \
+    EmergencyInfo
 
 # Ethernet
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.ethernet.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.ethernet.xml
 
+# FFmpeg
+PRODUCT_PACKAGES += \
+    android.hardware.media.c2@1.2-service-ffmpeg
+
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/media/media_codecs_ffmpeg_c2.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_ffmpeg_c2.xml \
+    $(DEVICE_PATH)/seccomp_policy/android.hardware.media.c2-ffmpeg.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/android.hardware.media.c2-ffmpeg.policy
+
 # Gatekeeper
 PRODUCT_PACKAGES += \
-    android.hardware.gatekeeper@1.0-service.software
+    com.android.hardware.gatekeeper.nonsecure
 
 # Graphics
 PRODUCT_PACKAGES += \
-    android.hardware.graphics.allocator@4.0-service.minigbm_gbm_mesa \
-    android.hardware.graphics.mapper@4.0-impl.minigbm_gbm_mesa
+    android.hardware.graphics.allocator-service.minigbm_gbm_mesa \
+    mapper.minigbm_gbm_mesa
 
 PRODUCT_PACKAGES += \
-    android.hardware.graphics.composer@2.4-service \
-    hwcomposer.drm
+    com.android.hardware.graphics.composer.drm_hwcomposer
 
 PRODUCT_PACKAGES += \
     libEGL_mesa \
     libGLESv1_CM_mesa \
     libGLESv2_mesa \
-    libgallium_dri \
-    libglapi
+    libgallium_dri
+
+PRODUCT_PACKAGES += \
+    dri_gbm \
+    libgbm_mesa
 
 PRODUCT_COPY_FILES += \
-    frameworks/native/data/etc/android.software.opengles.deqp.level-2021-03-01.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.opengles.deqp.level.xml
+    frameworks/native/data/etc/android.software.opengles.deqp.level-2024-03-01.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.opengles.deqp.level.xml
 
 PRODUCT_PACKAGES += \
     vulkan.broadcom
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.vulkan.level-0.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.vulkan.level.xml \
-    frameworks/native/data/etc/android.hardware.vulkan.version-1_0_3.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.vulkan.version.xml \
-    frameworks/native/data/etc/android.software.vulkan.deqp.level-2021-03-01.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.vulkan.deqp.level.xml
+    frameworks/native/data/etc/android.hardware.vulkan.version-1_3.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.vulkan.version.xml \
+    frameworks/native/data/etc/android.software.vulkan.deqp.level-2024-03-01.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.vulkan.deqp.level.xml
 
 # Health
 PRODUCT_PACKAGES += \
-    android.hardware.health@2.0-service.rpi
+    com.android.hardware.health.rpi4
+
+# HIDL
+PRODUCT_PACKAGES += \
+    android.hidl.allocator@1.0-service \
+    hwservicemanager
 
 # Kernel
 PRODUCT_COPY_FILES += \
     $(DEVICE_PATH)-kernel/Image:$(PRODUCT_OUT)/kernel
 
-# Keymaster
+# Keymint
 PRODUCT_PACKAGES += \
-    android.hardware.keymaster@3.0-impl \
-    android.hardware.keymaster@3.0-service
+    com.android.hardware.keymint.rust_nonsecure
+
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.keystore.app_attest_key.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.keystore.app_attest_key.xml
 
 # Lights
 PRODUCT_PACKAGES += \
-    android.hardware.light@2.0-service.rpi
+    com.android.hardware.light.rpi4
 
 # Media
 PRODUCT_COPY_FILES += \
     $(DEVICE_PATH)/media/media_codecs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs.xml \
-    $(DEVICE_PATH)/media/media_codecs_v4l2_c2_video.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_v4l2_c2_video.xml \
     frameworks/av/media/libstagefright/data/media_codecs_google_c2_audio.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_c2_audio.xml \
     frameworks/av/media/libstagefright/data/media_codecs_google_c2_tv.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_c2_tv.xml \
     frameworks/av/media/libstagefright/data/media_codecs_google_c2_video.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_c2_video.xml
 
-# Overlays
-PRODUCT_PACKAGES += \
-    AndroidRpiOverlay \
-    SettingsRpiOverlay \
-    SettingsProviderRpiOverlay \
-    SystemUIRpiOverlay \
-    WifiRpiOverlay
-
-# Permissions
-PRODUCT_COPY_FILES += \
-    frameworks/native/data/etc/tablet_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/tablet_core_hardware.xml
-
 # Power
 PRODUCT_PACKAGES += \
-    android.hardware.power-service.example
+    com.android.hardware.power
 
 # Ramdisk
 PRODUCT_COPY_FILES += \
@@ -217,24 +188,31 @@ PRODUCT_COPY_FILES += \
 
 # Seccomp
 PRODUCT_COPY_FILES += \
-    $(DEVICE_PATH)/seccomp_policy/codec2.vendor.ext.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/codec2.vendor.ext.policy \
     $(DEVICE_PATH)/seccomp_policy/mediacodec.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/mediacodec.policy \
     $(DEVICE_PATH)/seccomp_policy/mediaswcodec.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/mediaswcodec.policy
 
-# Settings
-PRODUCT_PACKAGES += \
-    androidx.window.extensions
+# Soong
+PRODUCT_SOONG_NAMESPACES += $(DEVICE_PATH)
 
 # Storage
 $(call inherit-product, $(SRC_TARGET_DIR)/product/emulated_storage.mk)
 
 # Suspend
 PRODUCT_PACKAGES += \
-    suspend_blocker_rpi
+    com.android.hardware.suspend_blocker.rpi4
+
+# Thermal
+PRODUCT_PACKAGES += \
+    com.android.hardware.thermal
+
+# Touchscreen
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.touchscreen.multitouch.jazzhand.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.touchscreen.multitouch.jazzhand.xml
 
 # USB
 PRODUCT_PACKAGES += \
-    android.hardware.usb@1.0-service
+    com.android.hardware.usb \
+    com.android.hardware.usb.gadget.rpi4
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.usb.accessory.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.usb.accessory.xml \
@@ -245,22 +223,26 @@ PRODUCT_COPY_FILES += \
 PRODUCT_SOONG_NAMESPACES += external/v4l2_codec2
 
 PRODUCT_PACKAGES += \
-    android.hardware.media.c2@1.0-service-v4l2 \
+    android.hardware.media.c2@1.2-service-v4l2 \
     libc2plugin_store
 
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/media/media_codecs_v4l2_c2_video.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_v4l2_c2_video.xml \
+    $(DEVICE_PATH)/seccomp_policy/android.hardware.media.c2-extended-seccomp_policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/android.hardware.media.c2-extended-seccomp_policy
+
+# Virtualization
+$(call inherit-product, packages/modules/Virtualization/apex/product_packages.mk)
+
 # Wifi
 PRODUCT_PACKAGES += \
-    android.hardware.wifi@1.0-service \
-    hostapd \
-    hostapd_cli \
+    com.android.hardware.wifi \
+    com.android.hardware.wifi.hostapd.rpi4 \
+    com.android.hardware.wifi.supplicant.rpi4 \
     libwpa_client \
-    wificond \
-    wpa_cli \
-    wpa_supplicant \
-    wpa_supplicant.conf
-
-PRODUCT_COPY_FILES += \
-    hardware/broadcom/wlan/bcmdhd/config/wpa_supplicant_overlay.conf:$(TARGET_COPY_OUT_VENDOR)/etc/wifi/wpa_supplicant_overlay.conf
+    wificond
 
 PRODUCT_COPY_FILES += \
     frameworks/native/data/etc/android.hardware.wifi.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.wifi.xml
+
+# Window extensions
+$(call inherit-product, $(SRC_TARGET_DIR)/product/window_extensions.mk)

framework_compatibility_matrix.xml

@@ -0,0 +1,12 @@
+<compatibility-matrix version="1.0" type="framework">
+    <hal format="hidl" optional="true">
+        <name>android.hardware.media.c2</name>
+        <transport>hwbinder</transport>
+        <version>1.2</version>
+        <interface>
+            <name>IComponentStore</name>
+            <instance>ffmpeg</instance>
+            <instance>v4l2</instance>
+        </interface>
+    </hal>
+</compatibility-matrix>

hdmi/cec/Android.bp

@@ -0,0 +1,53 @@
+// Copyright (C) 2021 The Android Open Source Project
+// Copyright (C) 2025 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+cc_binary {
+    name: "android.hardware.tv.hdmi.cec-service.rpi",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "HdmiCec.cpp",
+        "HdmiCecPort.cpp",
+        "main.cpp",
+    ],
+    shared_libs: [
+        "android.hardware.tv.hdmi.cec-V1-ndk",
+        "libbase",
+        "libbinder_ndk",
+        "libcutils",
+        "libhardware",
+        "liblog",
+    ],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.tv.hdmi.cec-service.rpi.rc",
+    src: "android.hardware.tv.hdmi.cec-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.tv.hdmi.cec-service.rpi.xml",
+    src: "android.hardware.tv.hdmi.cec-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.tv.hdmi.cec.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.tv.hdmi.cec-service.rpi"],
+    prebuilts: [
+        "android.hardware.tv.hdmi.cec-service.rpi.rc",
+        "android.hardware.tv.hdmi.cec-service.rpi.xml",
+    ],
+}

hdmi/cec/HdmiCec.cpp

@@ -0,0 +1,457 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "android.hardware.tv.hdmi.cec-service.rpi"
+
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+
+#include <cutils/properties.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/ioctl.h>
+#include <poll.h>
+
+#include "HdmiCec.h"
+
+#define PROPERTY_CEC_DEVICE "persist.vendor.hdmi.cec_device"
+
+using android::base::GetProperty;
+using ndk::ScopedAStatus;
+using std::string;
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace cec {
+namespace implementation {
+
+HdmiCec::HdmiCec() {
+    mCecEnabled = false;
+    mWakeupEnabled = false;
+    mCecControlEnabled = false;
+    mCallback = nullptr;
+
+    Result result = init();
+    if (result != Result::SUCCESS) {
+        LOG(ERROR) << "Failed to init HDMI-CEC HAL";
+    }
+}
+
+HdmiCec::~HdmiCec() {
+    release();
+}
+
+ScopedAStatus HdmiCec::addLogicalAddress(CecLogicalAddress addr, Result* _aidl_return) {
+    if (addr < CecLogicalAddress::TV || addr >= CecLogicalAddress::BROADCAST) {
+        LOG(ERROR) << "Add logical address failed, Invalid address";
+        *_aidl_return = Result::FAILURE_INVALID_ARGS;
+        return ScopedAStatus::ok();
+    }
+
+    cec_log_addrs cecLogAddrs;
+    int ret = ioctl(mHdmiCecPorts[0]->mCecFd, CEC_ADAP_G_LOG_ADDRS, &cecLogAddrs);
+    if (ret) {
+        LOG(ERROR) << "Add logical address failed, Error = " << strerror(errno);
+        *_aidl_return = Result::FAILURE_BUSY;
+        return ScopedAStatus::ok();
+    }
+
+    cecLogAddrs.cec_version = CEC_OP_CEC_VERSION_1_4;
+    cecLogAddrs.vendor_id = 0x000c03;  // HDMI LLC vendor ID
+
+    unsigned int logAddrType = CEC_LOG_ADDR_TYPE_UNREGISTERED;
+    unsigned int allDevTypes = 0;
+    unsigned int primDevType = 0xff;
+    switch (addr) {
+        case CecLogicalAddress::TV:
+            primDevType = CEC_OP_PRIM_DEVTYPE_TV;
+            logAddrType = CEC_LOG_ADDR_TYPE_TV;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_TV;
+            break;
+        case CecLogicalAddress::RECORDER_1:
+        case CecLogicalAddress::RECORDER_2:
+        case CecLogicalAddress::RECORDER_3:
+            primDevType = CEC_OP_PRIM_DEVTYPE_RECORD;
+            logAddrType = CEC_LOG_ADDR_TYPE_RECORD;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_RECORD;
+            break;
+        case CecLogicalAddress::TUNER_1:
+        case CecLogicalAddress::TUNER_2:
+        case CecLogicalAddress::TUNER_3:
+        case CecLogicalAddress::TUNER_4:
+            primDevType = CEC_OP_PRIM_DEVTYPE_TUNER;
+            logAddrType = CEC_LOG_ADDR_TYPE_TUNER;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_TUNER;
+            break;
+        case CecLogicalAddress::PLAYBACK_1:
+        case CecLogicalAddress::PLAYBACK_2:
+        case CecLogicalAddress::PLAYBACK_3:
+            primDevType = CEC_OP_PRIM_DEVTYPE_PLAYBACK;
+            logAddrType = CEC_LOG_ADDR_TYPE_PLAYBACK;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_PLAYBACK;
+            cecLogAddrs.flags |= CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU;
+            break;
+        case CecLogicalAddress::AUDIO_SYSTEM:
+            primDevType = CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM;
+            logAddrType = CEC_LOG_ADDR_TYPE_AUDIOSYSTEM;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM;
+            break;
+        case CecLogicalAddress::FREE_USE:
+            primDevType = CEC_OP_PRIM_DEVTYPE_PROCESSOR;
+            logAddrType = CEC_LOG_ADDR_TYPE_SPECIFIC;
+            allDevTypes = CEC_OP_ALL_DEVTYPE_SWITCH;
+            break;
+        case CecLogicalAddress::UNREGISTERED:
+            cecLogAddrs.flags |= CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK;
+            break;
+        case CecLogicalAddress::BACKUP_1:
+        case CecLogicalAddress::BACKUP_2:
+            break;
+    }
+
+    int logAddrIndex = cecLogAddrs.num_log_addrs;
+    cecLogAddrs.num_log_addrs += 1;
+    cecLogAddrs.log_addr[logAddrIndex] = static_cast<cec_logical_address_t>(addr);
+    cecLogAddrs.log_addr_type[logAddrIndex] = logAddrType;
+    cecLogAddrs.primary_device_type[logAddrIndex] = primDevType;
+    cecLogAddrs.all_device_types[logAddrIndex] = allDevTypes;
+    cecLogAddrs.features[logAddrIndex][0] = 0;
+    cecLogAddrs.features[logAddrIndex][1] = 0;
+
+    ret = ioctl(mHdmiCecPorts[0]->mCecFd, CEC_ADAP_S_LOG_ADDRS, &cecLogAddrs);
+    if (ret) {
+        LOG(ERROR) << "Add logical address failed for port " << mHdmiCecPorts[0]->mPortId
+                   << ", Error = " << strerror(errno);
+        *_aidl_return = Result::FAILURE_BUSY;
+        return ScopedAStatus::ok();
+    }
+
+    *_aidl_return = Result::SUCCESS;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::clearLogicalAddress() {
+    cec_log_addrs cecLogAddrs;
+    memset(&cecLogAddrs, 0, sizeof(cecLogAddrs));
+
+    int ret = ioctl(mHdmiCecPorts[0]->mCecFd, CEC_ADAP_S_LOG_ADDRS, &cecLogAddrs);
+    if (ret) {
+        LOG(ERROR) << "Clear logical Address failed for port " << mHdmiCecPorts[0]->mPortId
+                   << ", Error = " << strerror(errno);
+    }
+
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::enableAudioReturnChannel(int32_t portId __unused, bool enable __unused) {
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::getCecVersion(int32_t* _aidl_return) {
+    *_aidl_return = CEC_OP_CEC_VERSION_1_4;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::getPhysicalAddress(int32_t* _aidl_return) {
+    uint16_t addr;
+
+    int ret = ioctl(mHdmiCecPorts[0]->mCecFd, CEC_ADAP_G_PHYS_ADDR, &addr);
+    if (ret) {
+        LOG(ERROR) << "Get physical address failed, Error = " << strerror(errno);
+        return ScopedAStatus::fromServiceSpecificError(
+                static_cast<int32_t>(Result::FAILURE_INVALID_STATE));
+    }
+
+    *_aidl_return = addr;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::getVendorId(int32_t* _aidl_return) {
+    *_aidl_return = 0x000c03;  // HDMI LLC vendor ID
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::sendMessage(const CecMessage& message, SendMessageResult* _aidl_return) {
+    if (!mCecEnabled) {
+        *_aidl_return = SendMessageResult::FAIL;
+        return ScopedAStatus::ok();
+    }
+
+    cec_msg cecMsg;
+    memset(&cecMsg, 0, sizeof(cec_msg));
+
+    int initiator = static_cast<cec_logical_address_t>(message.initiator);
+    int destination = static_cast<cec_logical_address_t>(message.destination);
+
+    cecMsg.msg[0] = (initiator << 4) | destination;
+    for (size_t i = 0; i < message.body.size(); ++i) {
+        cecMsg.msg[i + 1] = message.body[i];
+    }
+    cecMsg.len = message.body.size() + 1;
+
+    int ret = ioctl(mHdmiCecPorts[0]->mCecFd, CEC_TRANSMIT, &cecMsg);
+    if (ret) {
+        LOG(ERROR) << "Send message failed, Error = " << strerror(errno);
+        *_aidl_return = SendMessageResult::FAIL;
+        return ScopedAStatus::ok();
+    }
+
+    if (cecMsg.tx_status != CEC_TX_STATUS_OK) {
+        LOG(ERROR) << "Send message tx_status = " << cecMsg.tx_status;
+    }
+
+    *_aidl_return = getSendMessageResult(cecMsg.tx_status);
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::setCallback(const std::shared_ptr<IHdmiCecCallback>& callback) {
+    if (mCallback != nullptr) {
+        mCallback = nullptr;
+    }
+
+    if (callback != nullptr) {
+        mCallback = callback;
+    }
+
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::setLanguage(const std::string& language __unused) {
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::enableWakeupByOtp(bool value) {
+    mWakeupEnabled = value;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::enableCec(bool value) {
+    mCecEnabled = value;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiCec::enableSystemCecControl(bool value) {
+    mCecControlEnabled = value;
+    return ScopedAStatus::ok();
+}
+
+// Initialise the cec file descriptor
+Result HdmiCec::init() {
+    string cecDevice = GetProperty(PROPERTY_CEC_DEVICE, "cec0");
+    if (cecDevice != "cec0" && cecDevice != "cec1") {
+        LOG(ERROR) << "Invalid CEC device " << cecDevice;
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
+    string devicePath = "/dev/" + cecDevice;
+    int portId = stoi(cecDevice.substr(3));
+
+    shared_ptr<HdmiCecPort> hdmiCecPort(new HdmiCecPort(portId));
+    Result result = hdmiCecPort->init(devicePath.c_str());
+    if (result != Result::SUCCESS) {
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
+    thread eventThread(&HdmiCec::event_thread, this, hdmiCecPort.get());
+    mEventThreads.push_back(std::move(eventThread));
+    mHdmiCecPorts.push_back(std::move(hdmiCecPort));
+    LOG(INFO) << "Using CEC device " << devicePath;
+
+    mCecEnabled = true;
+    mWakeupEnabled = true;
+    mCecControlEnabled = true;
+
+    return Result::SUCCESS;
+}
+
+void HdmiCec::release() {
+    mCecEnabled = false;
+    mWakeupEnabled = false;
+    mCecControlEnabled = false;
+
+    for (thread& eventThread : mEventThreads) {
+        if (eventThread.joinable()) {
+            eventThread.join();
+        }
+    }
+    setCallback(nullptr);
+    mHdmiCecPorts.clear();
+    mEventThreads.clear();
+}
+
+void HdmiCec::event_thread(HdmiCecPort* hdmiCecPort) {
+    struct pollfd ufds[3] = {
+            {hdmiCecPort->mCecFd, POLLIN, 0},
+            {hdmiCecPort->mCecFd, POLLERR, 0},
+            {hdmiCecPort->mExitFd, POLLIN, 0},
+    };
+
+    while (1) {
+        ufds[0].revents = 0;
+        ufds[1].revents = 0;
+        ufds[2].revents = 0;
+
+        int ret = poll(ufds, /* size(ufds) = */ 3, /* timeout = */ -1);
+
+        if (ret <= 0) {
+            continue;
+        }
+
+        if (ufds[2].revents == POLLIN) { /* Exit */
+            break;
+        }
+
+        if (ufds[1].revents == POLLERR) { /* CEC Event */
+            cec_event ev;
+            ret = ioctl(hdmiCecPort->mCecFd, CEC_DQEVENT, &ev);
+
+            if (ret) {
+                LOG(ERROR) << "CEC_DQEVENT failed, Error = " << strerror(errno);
+                continue;
+            }
+
+            if (!mCecEnabled) {
+                continue;
+            }
+        }
+
+        if (ufds[0].revents == POLLIN) { /* CEC Driver */
+            cec_msg msg = {};
+            ret = ioctl(hdmiCecPort->mCecFd, CEC_RECEIVE, &msg);
+
+            if (ret) {
+                LOG(ERROR) << "CEC_RECEIVE failed, Error = " << strerror(errno);
+                continue;
+            }
+
+            if (msg.rx_status != CEC_RX_STATUS_OK) {
+                LOG(ERROR) << "msg rx_status = " << msg.rx_status;
+                continue;
+            }
+
+            if (!mCecEnabled) {
+                continue;
+            }
+
+            if (!mWakeupEnabled && isWakeupMessage(msg)) {
+                LOG(DEBUG) << "Filter wakeup message";
+                continue;
+            }
+
+            if (!mCecControlEnabled && !isTransferableInSleep(msg)) {
+                LOG(DEBUG) << "Filter message in standby mode";
+                continue;
+            }
+
+            if (mCallback != nullptr) {
+                size_t length = std::min(msg.len - 1, (uint32_t)(CEC_MESSAGE_BODY_MAX_LENGTH - 1));
+                CecMessage cecMessage{
+                        .initiator = static_cast<CecLogicalAddress>(msg.msg[0] >> 4),
+                        .destination = static_cast<CecLogicalAddress>(msg.msg[0] & 0xf),
+                };
+                cecMessage.body.resize(length);
+                for (size_t i = 0; i < length; ++i) {
+                    cecMessage.body[i] = static_cast<uint8_t>(msg.msg[i + 1]);
+                }
+                mCallback->onCecMessage(cecMessage);
+            } else {
+                LOG(ERROR) << "no event callback for message";
+            }
+        }
+    }
+}
+
+int HdmiCec::getOpcode(cec_msg message) {
+    return static_cast<uint8_t>(message.msg[1]);
+}
+
+bool HdmiCec::isWakeupMessage(cec_msg message) {
+    int opcode = getOpcode(message);
+    switch (opcode) {
+        case CEC_MESSAGE_TEXT_VIEW_ON:
+        case CEC_MESSAGE_IMAGE_VIEW_ON:
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool HdmiCec::isTransferableInSleep(cec_msg message) {
+    int opcode = getOpcode(message);
+    switch (opcode) {
+        case CEC_MESSAGE_ABORT:
+        case CEC_MESSAGE_DEVICE_VENDOR_ID:
+        case CEC_MESSAGE_GET_CEC_VERSION:
+        case CEC_MESSAGE_GET_MENU_LANGUAGE:
+        case CEC_MESSAGE_GIVE_DEVICE_POWER_STATUS:
+        case CEC_MESSAGE_GIVE_DEVICE_VENDOR_ID:
+        case CEC_MESSAGE_GIVE_OSD_NAME:
+        case CEC_MESSAGE_GIVE_PHYSICAL_ADDRESS:
+        case CEC_MESSAGE_REPORT_PHYSICAL_ADDRESS:
+        case CEC_MESSAGE_REPORT_POWER_STATUS:
+        case CEC_MESSAGE_SET_OSD_NAME:
+        case CEC_MESSAGE_DECK_CONTROL:
+        case CEC_MESSAGE_PLAY:
+        case CEC_MESSAGE_IMAGE_VIEW_ON:
+        case CEC_MESSAGE_TEXT_VIEW_ON:
+        case CEC_MESSAGE_SYSTEM_AUDIO_MODE_REQUEST:
+            return true;
+        case CEC_MESSAGE_USER_CONTROL_PRESSED:
+            return isPowerUICommand(message);
+        default:
+            return false;
+    }
+}
+
+int HdmiCec::getFirstParam(cec_msg message) {
+    return static_cast<uint8_t>(message.msg[2]);
+}
+
+bool HdmiCec::isPowerUICommand(cec_msg message) {
+    int uiCommand = getFirstParam(message);
+    switch (uiCommand) {
+        case CEC_OP_UI_CMD_POWER:
+        case CEC_OP_UI_CMD_DEVICE_ROOT_MENU:
+        case CEC_OP_UI_CMD_POWER_ON_FUNCTION:
+            return true;
+        default:
+            return false;
+    }
+}
+
+SendMessageResult HdmiCec::getSendMessageResult(int tx_status) {
+    switch (tx_status) {
+        case CEC_TX_STATUS_OK:
+            return SendMessageResult::SUCCESS;
+        case CEC_TX_STATUS_ARB_LOST:
+            return SendMessageResult::BUSY;
+        case CEC_TX_STATUS_NACK:
+            return SendMessageResult::NACK;
+        default:
+            return SendMessageResult::FAIL;
+    }
+}
+
+}  // namespace implementation
+}  // namespace cec
+}  // namespace hdmi
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/cec/HdmiCec.h

@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 <aidl/android/hardware/tv/hdmi/cec/BnHdmiCec.h>
+#include <hardware/hdmi_cec.h>
+#include <linux/cec.h>
+#include <thread>
+#include <vector>
+#include "HdmiCecPort.h"
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace cec {
+namespace implementation {
+
+using std::shared_ptr;
+using std::thread;
+using std::vector;
+
+using ::aidl::android::hardware::tv::hdmi::cec::BnHdmiCec;
+using ::aidl::android::hardware::tv::hdmi::cec::CecLogicalAddress;
+using ::aidl::android::hardware::tv::hdmi::cec::CecMessage;
+using ::aidl::android::hardware::tv::hdmi::cec::IHdmiCec;
+using ::aidl::android::hardware::tv::hdmi::cec::IHdmiCecCallback;
+using ::aidl::android::hardware::tv::hdmi::cec::Result;
+using ::aidl::android::hardware::tv::hdmi::cec::SendMessageResult;
+
+struct HdmiCec : public BnHdmiCec {
+  public:
+    HdmiCec();
+    ~HdmiCec();
+    ::ndk::ScopedAStatus addLogicalAddress(CecLogicalAddress addr, Result* _aidl_return) override;
+    ::ndk::ScopedAStatus clearLogicalAddress() override;
+    ::ndk::ScopedAStatus enableAudioReturnChannel(int32_t portId, bool enable) override;
+    ::ndk::ScopedAStatus getCecVersion(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getPhysicalAddress(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus getVendorId(int32_t* _aidl_return) override;
+    ::ndk::ScopedAStatus sendMessage(const CecMessage& message,
+                                     SendMessageResult* _aidl_return) override;
+    ::ndk::ScopedAStatus setCallback(const std::shared_ptr<IHdmiCecCallback>& callback) override;
+    ::ndk::ScopedAStatus setLanguage(const std::string& language) override;
+    ::ndk::ScopedAStatus enableWakeupByOtp(bool value) override;
+    ::ndk::ScopedAStatus enableCec(bool value) override;
+    ::ndk::ScopedAStatus enableSystemCecControl(bool value) override;
+
+    Result init();
+    void release();
+
+  private:
+    void event_thread(HdmiCecPort* hdmiCecPort);
+    static int getOpcode(cec_msg message);
+    static int getFirstParam(cec_msg message);
+    static bool isWakeupMessage(cec_msg message);
+    static bool isTransferableInSleep(cec_msg message);
+    static bool isPowerUICommand(cec_msg message);
+    static SendMessageResult getSendMessageResult(int tx_status);
+
+    vector<thread> mEventThreads;
+    vector<shared_ptr<HdmiCecPort>> mHdmiCecPorts;
+
+    // When set to false, all the CEC commands are discarded. True by default after initialization.
+    bool mCecEnabled;
+    /*
+     * When set to false, HAL does not wake up the system upon receiving <Image View On> or
+     * <Text View On>. True by default after initialization.
+     */
+    bool mWakeupEnabled;
+    /*
+     * Updated when system goes into or comes out of standby mode.
+     * When set to true, Android system is handling CEC commands.
+     * When set to false, microprocessor is handling CEC commands.
+     * True by default after initialization.
+     */
+    bool mCecControlEnabled;
+
+    std::shared_ptr<IHdmiCecCallback> mCallback;
+};
+
+}  // namespace implementation
+}  // namespace cec
+}  // namespace hdmi
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/cec/HdmiCecPort.cpp

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "android.hardware.tv.hdmi.cec-service.rpi"
+
+#include <android-base/logging.h>
+#include <errno.h>
+#include <linux/cec.h>
+#include <linux/ioctl.h>
+#include <sys/eventfd.h>
+#include <algorithm>
+
+#include "HdmiCecPort.h"
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace cec {
+namespace implementation {
+
+HdmiCecPort::HdmiCecPort(unsigned int portId) {
+    mPortId = portId;
+    mCecFd = -1;
+    mExitFd = -1;
+}
+
+HdmiCecPort::~HdmiCecPort() {
+    release();
+}
+
+// Initialise the cec file descriptor
+Result HdmiCecPort::init(const char* path) {
+    mCecFd = open(path, O_RDWR);
+    if (mCecFd < 0) {
+        LOG(ERROR) << "Failed to open " << path << ", Error = " << strerror(errno);
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+    mExitFd = eventfd(0, EFD_NONBLOCK);
+    if (mExitFd < 0) {
+        LOG(ERROR) << "Failed to open eventfd, Error = " << strerror(errno);
+        release();
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
+    // Ensure the CEC device supports required capabilities
+    struct cec_caps caps = {};
+    int ret = ioctl(mCecFd, CEC_ADAP_G_CAPS, &caps);
+    if (ret) {
+        LOG(ERROR) << "Unable to query cec adapter capabilities, Error = " << strerror(errno);
+        release();
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
+    if (!(caps.capabilities & (CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT | CEC_CAP_PASSTHROUGH))) {
+        LOG(ERROR) << "Wrong cec adapter capabilities " << caps.capabilities;
+        release();
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+
+    uint32_t mode = CEC_MODE_INITIATOR | CEC_MODE_EXCL_FOLLOWER_PASSTHRU;
+    ret = ioctl(mCecFd, CEC_S_MODE, &mode);
+    if (ret) {
+        LOG(ERROR) << "Unable to set initiator mode, Error = " << strerror(errno);
+        release();
+        return Result::FAILURE_NOT_SUPPORTED;
+    }
+    return Result::SUCCESS;
+}
+
+void HdmiCecPort::release() {
+    if (mExitFd > 0) {
+        uint64_t tmp = 1;
+        write(mExitFd, &tmp, sizeof(tmp));
+    }
+    if (mExitFd > 0) {
+        close(mExitFd);
+    }
+    if (mCecFd > 0) {
+        close(mCecFd);
+    }
+}
+
+}  // namespace implementation
+}  // namespace cec
+}  // namespace hdmi
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/cec/HdmiCecPort.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 <aidl/android/hardware/tv/hdmi/cec/BnHdmiCec.h>
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace cec {
+namespace implementation {
+
+using ::aidl::android::hardware::tv::hdmi::cec::Result;
+
+class HdmiCecPort {
+  public:
+    HdmiCecPort(unsigned int portId);
+    ~HdmiCecPort();
+    Result init(const char* path);
+    void release();
+
+    unsigned int mPortId;
+    int mCecFd;
+    int mExitFd;
+};
+
+}  // namespace implementation
+}  // namespace cec
+}  // namespace hdmi
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/cec/android.hardware.tv.hdmi.cec-service.rpi.rc

@@ -0,0 +1,5 @@
+service vendor.cec-rpi /apex/com.android.hardware.tv.hdmi.cec.rpi4/bin/hw/android.hardware.tv.hdmi.cec-service.rpi
+    interface aidl android.hardware.tv.hdmi.cec.IHdmiCec/default
+    class hal
+    user system
+    group system

hdmi/cec/android.hardware.tv.hdmi.cec-service.rpi.xml

@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.tv.hdmi.cec</name>
+        <version>1</version>
+        <interface>
+            <name>IHdmiCec</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>

hdmi/cec/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                                 u:object_r:vendor_file:s0
+/etc(/.*)?                                             u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.tv\.hdmi\.cec-service\.rpi  u:object_r:hal_tv_hdmi_cec_default_exec:s0

hdmi/cec/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.tv.hdmi.cec.rpi4",
+    "version": 1
+}

hdmi/cec/main.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "HdmiCec.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using android::hardware::tv::hdmi::cec::implementation::HdmiCec;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+
+    std::shared_ptr<HdmiCec> hdmiCecAidl = ndk::SharedRefBase::make<HdmiCec>();
+    const std::string instance = std::string() + HdmiCec::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(hdmiCecAidl->asBinder().get(), instance.c_str());
+    CHECK_EQ(status, STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

hdmi/connection/Android.bp

@@ -0,0 +1,50 @@
+// Copyright (C) 2022 The Android Open Source Project
+// Copyright (C) 2025 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+cc_binary {
+    name: "android.hardware.tv.hdmi.connection-service.rpi",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "HdmiConnection.cpp",
+        "main.cpp",
+    ],
+    shared_libs: [
+        "android.hardware.tv.hdmi.connection-V1-ndk",
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+    ],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.tv.hdmi.connection-service.rpi.rc",
+    src: "android.hardware.tv.hdmi.connection-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.tv.hdmi.connection-service.rpi.xml",
+    src: "android.hardware.tv.hdmi.connection-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.tv.hdmi.connection.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.tv.hdmi.connection-service.rpi"],
+    prebuilts: [
+        "android.hardware.tv.hdmi.connection-service.rpi.rc",
+        "android.hardware.tv.hdmi.connection-service.rpi.xml",
+    ],
+}

hdmi/connection/HdmiConnection.cpp

@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "android.hardware.tv.hdmi.connection-service.rpi"
+
+#include "HdmiConnection.h"
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+
+using android::base::ReadFileToString;
+using ndk::ScopedAStatus;
+using std::string;
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace connection {
+namespace implementation {
+
+static const string drmCard = "card0";
+
+HdmiConnection::HdmiConnection() {
+    mCallback = nullptr;
+
+    for (int i = 0; i < 2; i++) {
+        mPortInfos.push_back(
+                {.type = HdmiPortType::OUTPUT,
+                 .portId = i,
+                 .cecSupported = true,
+                 .arcSupported = false,
+                 .eArcSupported = false,
+                 .physicalAddress = 0xFFFF});
+        mHpdSignal.push_back(HpdSignal::HDMI_HPD_PHYSICAL);
+    }
+}
+
+HdmiConnection::~HdmiConnection() {
+    if (mCallback != nullptr) {
+        mCallback = nullptr;
+    }
+}
+
+ScopedAStatus HdmiConnection::getPortInfo(std::vector<HdmiPortInfo>* _aidl_return) {
+    *_aidl_return = mPortInfos;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiConnection::isConnected(int32_t portId, bool* _aidl_return) {
+    if (portId != 0 && portId != 1) {
+        *_aidl_return = false;
+        return ScopedAStatus::ok();
+    }
+
+    bool connected = false;
+    string hdmiStatusPath = "/sys/class/drm/" + drmCard + "-HDMI-A-" + to_string(portId + 1) + "/status";
+    if (!access(hdmiStatusPath.c_str(), R_OK)) {
+        string connectedValue;
+        if (ReadFileToString(hdmiStatusPath, &connectedValue)) {
+            connected = !connectedValue.compare("connected\n");
+        }
+    }
+    LOG(INFO) << "portId: " << portId << ", connected: " << connected;
+
+    *_aidl_return = connected;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiConnection::setCallback(const std::shared_ptr<IHdmiConnectionCallback>& callback) {
+    if (mCallback != nullptr) {
+        mCallback = nullptr;
+    }
+
+    if (callback != nullptr) {
+        mCallback = callback;
+    }
+
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiConnection::setHpdSignal(HpdSignal signal, int32_t portId) {
+    if (portId != 0 && portId != 1) {
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
+    mHpdSignal.at(portId) = signal;
+    return ScopedAStatus::ok();
+}
+
+ScopedAStatus HdmiConnection::getHpdSignal(int32_t portId, HpdSignal* _aidl_return) {
+    if (portId != 0 && portId != 1) {
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
+    *_aidl_return = mHpdSignal.at(portId);
+    return ScopedAStatus::ok();
+}
+
+}  // namespace implementation
+}  // namespace connection
+}  // namespace hdmi
+}  // namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/connection/HdmiConnection.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 <aidl/android/hardware/tv/hdmi/connection/BnHdmiConnection.h>
+#include <aidl/android/hardware/tv/hdmi/connection/Result.h>
+#include <algorithm>
+#include <vector>
+
+using namespace std;
+
+namespace android {
+namespace hardware {
+namespace tv {
+namespace hdmi {
+namespace connection {
+namespace implementation {
+
+using ::aidl::android::hardware::tv::hdmi::connection::BnHdmiConnection;
+using ::aidl::android::hardware::tv::hdmi::connection::HdmiPortInfo;
+using ::aidl::android::hardware::tv::hdmi::connection::HdmiPortType;
+using ::aidl::android::hardware::tv::hdmi::connection::HpdSignal;
+using ::aidl::android::hardware::tv::hdmi::connection::IHdmiConnection;
+using ::aidl::android::hardware::tv::hdmi::connection::IHdmiConnectionCallback;
+using ::aidl::android::hardware::tv::hdmi::connection::Result;
+
+struct HdmiConnection : public BnHdmiConnection {
+    HdmiConnection();
+    ~HdmiConnection();
+    ::ndk::ScopedAStatus getPortInfo(std::vector<HdmiPortInfo>* _aidl_return) override;
+    ::ndk::ScopedAStatus isConnected(int32_t portId, bool* _aidl_return) override;
+    ::ndk::ScopedAStatus setCallback(
+            const std::shared_ptr<IHdmiConnectionCallback>& callback) override;
+    ::ndk::ScopedAStatus setHpdSignal(HpdSignal signal, int32_t portId) override;
+    ::ndk::ScopedAStatus getHpdSignal(int32_t portId, HpdSignal* _aidl_return) override;
+
+  private:
+    std::vector<HdmiPortInfo> mPortInfos;
+    std::vector<HpdSignal> mHpdSignal;
+
+    std::shared_ptr<IHdmiConnectionCallback> mCallback;
+};
+
+}  // namespace implementation
+}  // namespace connection
+}  // namespace hdmi
+}  // Namespace tv
+}  // namespace hardware
+}  // namespace android

hdmi/connection/android.hardware.tv.hdmi.connection-service.rpi.rc

@@ -0,0 +1,5 @@
+service vendor.hdmi-rpi /apex/com.android.hardware.tv.hdmi.connection.rpi4/bin/hw/android.hardware.tv.hdmi.connection-service.rpi
+    interface aidl android.hardware.tv.hdmi.connection.IHdmiConnection/default
+    class hal
+    user system
+    group system

hdmi/connection/android.hardware.tv.hdmi.connection-service.rpi.xml

@@ -0,0 +1,10 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.tv.hdmi.connection</name>
+        <version>1</version>
+        <interface>
+            <name>IHdmiConnection</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>

hdmi/connection/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                                        u:object_r:vendor_file:s0
+/etc(/.*)?                                                    u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.tv\.hdmi\.connection-service\.rpi  u:object_r:hal_tv_hdmi_connection_default_exec:s0

hdmi/connection/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.tv.hdmi.connection.rpi4",
+    "version": 1
+}

hdmi/connection/main.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "HdmiConnection.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using android::hardware::tv::hdmi::connection::implementation::HdmiConnection;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+
+    std::shared_ptr<HdmiConnection> hdmiAidl = ndk::SharedRefBase::make<HdmiConnection>();
+    const std::string instance = std::string() + HdmiConnection::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(hdmiAidl->asBinder().get(), instance.c_str());
+    CHECK_EQ(status, STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

health/Android.bp

@@ -1,33 +1,58 @@
-// Copyright (C) 2021-2022 KonstaKANG
+// Copyright (C) 2018 The Android Open Source Project
+// Copyright (C) 2023 KonstaKANG
 //
 // SPDX-License-Identifier: Apache-2.0
 
 cc_binary {
-    name: "android.hardware.health@2.0-service.rpi",
-    init_rc: ["android.hardware.health@2.0-service.rpi.rc"],
-    vintf_fragments: ["android.hardware.health@2.0-service.rpi.xml"],
-    proprietary: true,
+    name: "android.hardware.health-service.rpi",
     relative_install_path: "hw",
+    vendor: true,
     srcs: [
-        "HealthService.cpp",
-    ],
-    cflags: [
-        "-Wall",
-        "-Werror",
+        "HealthImpl.cpp",
+        "main.cpp",
     ],
     static_libs: [
-        "android.hardware.health@2.0-impl",
-        "android.hardware.health@1.0-convert",
-        "libhealthservice",
         "libbatterymonitor",
-        "libhealthstoragedefault",
+        "libhealth_aidl_impl",
+        "libhealthloop",
     ],
     shared_libs: [
+        "android.hardware.health-V4-ndk",
         "libbase",
+        "libbinder_ndk",
         "libcutils",
-        "libhidlbase",
+        "liblog",
         "libutils",
-        "android.hardware.health@2.0",
     ],
-    header_libs: ["libhealthd_headers"],
+    overrides: ["charger"],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.health-service.rpi.rc",
+    src: "android.hardware.health-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.health-service.rpi.xml",
+    src: "android.hardware.health-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.health.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.health-service.rpi"],
+    prebuilts: [
+        "android.hardware.health-service.rpi.rc",
+        "android.hardware.health-service.rpi.xml",
+    ],
 }

health/HealthImpl.cpp

@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2023 KonstaKANG
+ *
+ * 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 "HealthImpl.h"
+
+using ::aidl::android::hardware::health::BatteryHealth;
+using ::aidl::android::hardware::health::BatteryStatus;
+using ::aidl::android::hardware::health::HealthInfo;
+
+namespace aidl::android::hardware::health {
+
+void HealthImpl::UpdateHealthInfo(HealthInfo* health_info) {
+    health_info->chargerAcOnline = true;
+    health_info->chargerUsbOnline = true;
+    health_info->chargerWirelessOnline = false;
+    health_info->chargerDockOnline = false;
+    health_info->maxChargingCurrentMicroamps = 500000;
+    health_info->maxChargingVoltageMicrovolts = 5000000;
+    health_info->batteryStatus = BatteryStatus::FULL;
+    health_info->batteryHealth = BatteryHealth::GOOD;
+    health_info->batteryPresent = true;
+    health_info->batteryLevel = 100;
+    health_info->batteryVoltageMillivolts = 5000;
+    health_info->batteryTemperatureTenthsCelsius = 250;
+    health_info->batteryCurrentMicroamps = 500000;
+    health_info->batteryCycleCount = 25;
+    health_info->batteryFullChargeUah = 5000000;
+    health_info->batteryChargeCounterUah = 5000000;
+    health_info->batteryTechnology = "Li-ion";
+    health_info->batteryCapacityLevel = BatteryCapacityLevel::FULL;
+    health_info->batteryFullChargeDesignCapacityUah = 5000000;
+}
+
+ndk::ScopedAStatus HealthImpl::getChargeCounterUah(int32_t* out) {
+    *out = 5000000;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus HealthImpl::getCurrentNowMicroamps(int32_t* out) {
+    *out = 500000;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus HealthImpl::getCurrentAverageMicroamps(int32_t*) {
+    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+}
+
+ndk::ScopedAStatus HealthImpl::getCapacity(int32_t* out) {
+    *out = 100;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus HealthImpl::getChargeStatus(BatteryStatus* out) {
+    *out = BatteryStatus::FULL;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus HealthImpl::getBatteryHealthData(BatteryHealthData* out) {
+    out->batteryManufacturingDateSeconds = 1231006505;
+    out->batteryFirstUsageSeconds = 1231469665;
+    out->batteryStateOfHealth = 99;
+    out->batterySerialNumber =
+            "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f";
+    out->batteryPartStatus = BatteryPartStatus::ORIGINAL;
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::health

health/HealthImpl.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2023 KonstaKANG
+ *
+ * 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 <health-impl/Health.h>
+
+using ::aidl::android::hardware::health::Health;
+
+namespace aidl::android::hardware::health {
+
+class HealthImpl : public Health {
+public:
+    using Health::Health;
+    virtual ~HealthImpl() {}
+
+    ndk::ScopedAStatus getChargeCounterUah(int32_t* out) override;
+    ndk::ScopedAStatus getCurrentNowMicroamps(int32_t* out) override;
+    ndk::ScopedAStatus getCurrentAverageMicroamps(int32_t* out) override;
+    ndk::ScopedAStatus getCapacity(int32_t* out) override;
+    ndk::ScopedAStatus getChargeStatus(BatteryStatus* out) override;
+    ndk::ScopedAStatus getBatteryHealthData(BatteryHealthData* out) override;
+
+protected:
+    void UpdateHealthInfo(HealthInfo* health_info) override;
+};
+
+}  // namespace aidl::android::hardware::health

health/HealthService.cpp

@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2021-2022 KonstaKANG
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include <health2/service.h>
-#include <healthd/healthd.h>
-
-int main() {
-    return health_service_main();
-}
-
-void healthd_board_init(struct healthd_config*) {}
-
-int healthd_board_battery_update(struct android::BatteryProperties* battery_props) {
-    battery_props->chargerAcOnline = true;
-    battery_props->batteryLevel = 100;
-    return 0;
-}

health/android.hardware.health-service.rpi.rc

@@ -0,0 +1,6 @@
+service vendor.health-rpi /apex/com.android.hardware.health.rpi4/bin/hw/android.hardware.health-service.rpi
+    class hal
+    user system
+    group system
+    capabilities WAKE_ALARM BLOCK_SUSPEND
+    file /dev/kmsg w

health/android.hardware.health-service.rpi.xml

@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.health</name>
+        <version>4</version>
+        <fqname>IHealth/default</fqname>
+    </hal>
+</manifest>

health/android.hardware.health@2.0-service.rpi.rc

@@ -1,5 +0,0 @@
-service vendor.health-hal-2-0 /vendor/bin/hw/android.hardware.health@2.0-service.rpi
-    class hal
-    user system
-    group system
-    file /dev/kmsg w

health/android.hardware.health@2.0-service.rpi.xml

@@ -1,11 +0,0 @@
-<manifest version="1.0" type="device">
-    <hal format="hidl">
-        <name>android.hardware.health</name>
-        <transport>hwbinder</transport>
-        <version>2.0</version>
-        <interface>
-            <name>IHealth</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-</manifest>

health/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                          u:object_r:vendor_file:s0
+/etc(/.*)?                                      u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.health-service\.rpi  u:object_r:hal_health_default_exec:s0

health/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.health.rpi4",
+    "version": 1
+}

health/main.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * Copyright (C) 2023 KonstaKANG
+ *
+ * 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 "HealthImpl.h"
+
+#include <android/binder_interface_utils.h>
+#include <health/utils.h>
+
+using ::aidl::android::hardware::health::HalHealthLoop;
+using ::aidl::android::hardware::health::HealthImpl;
+
+int main() {
+    auto config = std::make_unique<healthd_config>();
+    android::hardware::health::InitHealthdConfig(config.get());
+    auto binder = ndk::SharedRefBase::make<HealthImpl>("default", std::move(config));
+    auto hal_health_loop = std::make_shared<HalHealthLoop>(binder, binder);
+    return hal_health_loop->StartLoop();
+}

keylayout/Generic-tv.kl

@@ -0,0 +1,459 @@
+# Copyright (C) 2010 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.
+
+#
+# Generic key layout file for full alphabetic US English PC style external keyboards.
+#
+# This file is intentionally very generic and is intended to support a broad range of keyboards.
+# Do not edit the generic key layout to support a specific keyboard; instead, create
+# a new key layout file with the required keyboard configuration.
+#
+
+key 1     ESCAPE
+key 2     1
+key 3     2
+key 4     3
+key 5     4
+key 6     5
+key 7     6
+key 8     7
+key 9     8
+key 10    9
+key 11    0
+key 12    MINUS
+key 13    EQUALS
+key 14    DEL
+key 15    TAB
+key 16    Q
+key 17    W
+key 18    E
+key 19    R
+key 20    T
+key 21    Y
+key 22    U
+key 23    I
+key 24    O
+key 25    P
+key 26    LEFT_BRACKET
+key 27    RIGHT_BRACKET
+key 28    DPAD_CENTER
+key 29    CTRL_LEFT
+key 30    A
+key 31    S
+key 32    D
+key 33    F
+key 34    G
+key 35    H
+key 36    J
+key 37    K
+key 38    L
+key 39    SEMICOLON
+key 40    APOSTROPHE
+key 41    GRAVE
+key 42    SHIFT_LEFT
+key 43    BACKSLASH
+key 44    Z
+key 45    X
+key 46    C
+key 47    V
+key 48    B
+key 49    N
+key 50    M
+key 51    COMMA
+key 52    PERIOD
+key 53    SLASH
+key 54    SHIFT_RIGHT
+key 55    NUMPAD_MULTIPLY
+key 56    ALT_LEFT
+key 57    SPACE
+key 58    CAPS_LOCK
+key 59    F1
+key 60    F2
+key 61    F3
+key 62    F4
+key 63    F5
+key 64    F6
+key 65    F7
+key 66    F8
+key 67    F9
+key 68    F10
+key 69    NUM_LOCK
+key 70    SCROLL_LOCK
+key 71    NUMPAD_7
+key 72    NUMPAD_8
+key 73    NUMPAD_9
+key 74    NUMPAD_SUBTRACT
+key 75    NUMPAD_4
+key 76    NUMPAD_5
+key 77    NUMPAD_6
+key 78    NUMPAD_ADD
+key 79    NUMPAD_1
+key 80    NUMPAD_2
+key 81    NUMPAD_3
+key 82    NUMPAD_0
+key 83    NUMPAD_DOT
+# key 84 (undefined)
+key 85    ZENKAKU_HANKAKU
+key 86    BACKSLASH
+key 87    F11
+key 88    F12
+key 89    RO
+# key 90 "KEY_KATAKANA"
+# key 91 "KEY_HIRAGANA"
+key 92    HENKAN
+key 93    KATAKANA_HIRAGANA
+key 94    MUHENKAN
+key 95    NUMPAD_COMMA
+key 96    NUMPAD_ENTER
+key 97    CTRL_RIGHT
+key 98    NUMPAD_DIVIDE
+key 99    SYSRQ
+key 100   ALT_RIGHT
+# key 101 "KEY_LINEFEED"
+key 102   MOVE_HOME
+key 103   DPAD_UP
+key 104   PAGE_UP
+key 105   DPAD_LEFT
+key 106   DPAD_RIGHT
+key 107   MOVE_END
+key 108   DPAD_DOWN
+key 109   PAGE_DOWN
+key 110   INSERT
+key 111   FORWARD_DEL
+# key 112 "KEY_MACRO"
+key 113   VOLUME_MUTE
+key 114   VOLUME_DOWN
+key 115   VOLUME_UP
+key 116   POWER
+key 117   NUMPAD_EQUALS
+# key 118 "KEY_KPPLUSMINUS"
+key 119   BREAK
+# key 120 (undefined)
+key 121   NUMPAD_COMMA
+key 122   KANA
+key 123   EISU
+key 124   YEN
+key 125   META_LEFT
+key 126   META_RIGHT
+key 127   MENU
+key 128   MEDIA_STOP
+# key 129 "KEY_AGAIN"
+# key 130 "KEY_PROPS"
+# key 131 "KEY_UNDO"
+# key 132 "KEY_FRONT"
+key 133   COPY
+# key 134 "KEY_OPEN"
+key 135   PASTE
+# key 136 "KEY_FIND"
+key 137   CUT
+# key 138 "KEY_HELP"
+key 139   MENU
+key 140   CALCULATOR
+# key 141 "KEY_SETUP"
+key 142   SLEEP
+key 143   WAKEUP
+# key 144 "KEY_FILE"
+# key 145 "KEY_SENDFILE"
+# key 146 "KEY_DELETEFILE"
+# key 147 "KEY_XFER"
+# key 148 "KEY_PROG1"
+# key 149 "KEY_PROG2"
+key 150   EXPLORER
+# key 151 "KEY_MSDOS"
+key 152   POWER
+# key 153 "KEY_DIRECTION"
+# key 154 "KEY_CYCLEWINDOWS"
+key 155   ENVELOPE
+key 156   BOOKMARK
+# key 157 "KEY_COMPUTER"
+key 158   BACK
+key 159   FORWARD
+key 160   MEDIA_CLOSE
+key 161   MEDIA_EJECT
+key 162   MEDIA_EJECT
+key 163   MEDIA_NEXT
+key 164   MEDIA_PLAY_PAUSE
+key 165   MEDIA_PREVIOUS
+key 166   MEDIA_STOP
+key 167   MEDIA_RECORD
+key 168   MEDIA_REWIND
+key 169   CALL
+# key 170 "KEY_ISO"
+key 171   MUSIC
+key 172   HOME
+key 173   REFRESH
+# key 174 "KEY_EXIT"
+# key 175 "KEY_MOVE"
+# key 176 "KEY_EDIT"
+key 177   PAGE_UP
+key 178   PAGE_DOWN
+key 179   NUMPAD_LEFT_PAREN
+key 180   NUMPAD_RIGHT_PAREN
+# key 181 "KEY_NEW"
+# key 182 "KEY_REDO"
+# key 183   F13
+# key 184   F14
+# key 185   F15
+# key 186   F16
+# key 187   F17
+# key 188   F18
+# key 189   F19
+# key 190   F20
+# key 191   F21
+# key 192   F22
+# key 193   F23
+# key 194   F24
+# key 195 (undefined)
+# key 196 (undefined)
+# key 197 (undefined)
+# key 198 (undefined)
+# key 199 (undefined)
+key 200   MEDIA_PLAY
+key 201   MEDIA_PAUSE
+# key 202 "KEY_PROG3"
+# key 203 "KEY_PROG4"
+key 204   NOTIFICATION
+# key 205 "KEY_SUSPEND"
+# key 206 "KEY_CLOSE"
+key 207   MEDIA_PLAY
+key 208   MEDIA_FAST_FORWARD
+# key 209 "KEY_BASSBOOST"
+# key 210 "KEY_PRINT"
+# key 211 "KEY_HP"
+key 212   CAMERA
+key 213   MUSIC
+# key 214 "KEY_QUESTION"
+key 215   ENVELOPE
+# key 216 "KEY_CHAT"
+key 217   ASSIST
+# key 218 "KEY_CONNECT"
+# key 219 "KEY_FINANCE"
+# key 220 "KEY_SPORT"
+# key 221 "KEY_SHOP"
+# key 222 "KEY_ALTERASE"
+# key 223 "KEY_CANCEL"
+key 224   BRIGHTNESS_DOWN
+key 225   BRIGHTNESS_UP
+key 226   HEADSETHOOK
+
+key 256   BUTTON_1
+key 257   BUTTON_2
+key 258   BUTTON_3
+key 259   BUTTON_4
+key 260   BUTTON_5
+key 261   BUTTON_6
+key 262   BUTTON_7
+key 263   BUTTON_8
+key 264   BUTTON_9
+key 265   BUTTON_10
+key 266   BUTTON_11
+key 267   BUTTON_12
+key 268   BUTTON_13
+key 269   BUTTON_14
+key 270   BUTTON_15
+key 271   BUTTON_16
+
+key 288   BUTTON_1
+key 289   BUTTON_2
+key 290   BUTTON_3
+key 291   BUTTON_4
+key 292   BUTTON_5
+key 293   BUTTON_6
+key 294   BUTTON_7
+key 295   BUTTON_8
+key 296   BUTTON_9
+key 297   BUTTON_10
+key 298   BUTTON_11
+key 299   BUTTON_12
+key 300   BUTTON_13
+key 301   BUTTON_14
+key 302   BUTTON_15
+key 303   BUTTON_16
+
+
+key 304   BUTTON_A
+key 305   BUTTON_B
+key 306   BUTTON_C
+key 307   BUTTON_X
+key 308   BUTTON_Y
+key 309   BUTTON_Z
+key 310   BUTTON_L1
+key 311   BUTTON_R1
+key 312   BUTTON_L2
+key 313   BUTTON_R2
+key 314   BUTTON_SELECT
+key 315   BUTTON_START
+key 316   BUTTON_MODE
+key 317   BUTTON_THUMBL
+key 318   BUTTON_THUMBR
+
+
+# key 352 "KEY_OK"
+key 353   DPAD_CENTER
+# key 354 "KEY_GOTO"
+# key 355 "KEY_CLEAR"
+# key 356 "KEY_POWER2"
+# key 357 "KEY_OPTION"
+# key 358 "KEY_INFO"
+# key 359 "KEY_TIME"
+# key 360 "KEY_VENDOR"
+# key 361 "KEY_ARCHIVE"
+key 362   GUIDE
+# key 363 "KEY_CHANNEL"
+# key 364 "KEY_FAVORITES"
+# key 365 "KEY_EPG"
+key 366   DVR
+# key 367 "KEY_MHP"
+# key 368 "KEY_LANGUAGE"
+# key 369 "KEY_TITLE"
+key 370   CAPTIONS
+# key 371 "KEY_ANGLE"
+# key 372 "KEY_ZOOM"
+# key 373 "KEY_MODE"
+# key 374 "KEY_KEYBOARD"
+# key 375 "KEY_SCREEN"
+# key 376 "KEY_PC"
+key 377   TV
+# key 378 "KEY_TV2"
+# key 379 "KEY_VCR"
+# key 380 "KEY_VCR2"
+# key 381 "KEY_SAT"
+# key 382 "KEY_SAT2"
+# key 383 "KEY_CD"
+# key 384 "KEY_TAPE"
+# key 385 "KEY_RADIO"
+# key 386 "KEY_TUNER"
+# key 387 "KEY_PLAYER"
+# key 388 "KEY_TEXT"
+# key 389 "KEY_DVD"
+# key 390 "KEY_AUX"
+# key 391 "KEY_MP3"
+# key 392 "KEY_AUDIO"
+# key 393 "KEY_VIDEO"
+# key 394 "KEY_DIRECTORY"
+# key 395 "KEY_LIST"
+# key 396 "KEY_MEMO"
+key 397   CALENDAR
+key 398   PROG_RED
+key 399   PROG_GREEN
+key 400   PROG_YELLOW
+key 401   PROG_BLUE
+key 402   CHANNEL_UP
+key 403   CHANNEL_DOWN
+# key 404 "KEY_FIRST"
+key 405   LAST_CHANNEL
+# key 406 "KEY_AB"
+# key 407 "KEY_NEXT"
+# key 408 "KEY_RESTART"
+# key 409 "KEY_SLOW"
+# key 410 "KEY_SHUFFLE"
+# key 411 "KEY_BREAK"
+# key 412 "KEY_PREVIOUS"
+# key 413 "KEY_DIGITS"
+# key 414 "KEY_TEEN"
+# key 415 "KEY_TWEN"
+
+key 429   CONTACTS
+
+# key 448 "KEY_DEL_EOL"
+# key 449 "KEY_DEL_EOS"
+# key 450 "KEY_INS_LINE"
+# key 451 "KEY_DEL_LINE"
+
+
+key 464   FUNCTION
+key 465   ESCAPE            FUNCTION
+key 466   F1                FUNCTION
+key 467   F2                FUNCTION
+key 468   F3                FUNCTION
+key 469   F4                FUNCTION
+key 470   F5                FUNCTION
+key 471   F6                FUNCTION
+key 472   F7                FUNCTION
+key 473   F8                FUNCTION
+key 474   F9                FUNCTION
+key 475   F10               FUNCTION
+key 476   F11               FUNCTION
+key 477   F12               FUNCTION
+key 478   1                 FUNCTION
+key 479   2                 FUNCTION
+key 480   D                 FUNCTION
+key 481   E                 FUNCTION
+key 482   F                 FUNCTION
+key 483   S                 FUNCTION
+key 484   B                 FUNCTION
+
+
+# key 497 KEY_BRL_DOT1
+# key 498 KEY_BRL_DOT2
+# key 499 KEY_BRL_DOT3
+# key 500 KEY_BRL_DOT4
+# key 501 KEY_BRL_DOT5
+# key 502 KEY_BRL_DOT6
+# key 503 KEY_BRL_DOT7
+# key 504 KEY_BRL_DOT8
+
+key 522   STAR
+key 523   POUND
+key 580   APP_SWITCH
+key 582   VOICE_ASSIST
+
+# CEC
+key 352   ENTER
+key 618   HOME
+key 141   POWER
+key 174   BACK
+
+# Keys defined by HID usages
+key usage 0x0c0067 WINDOW
+key usage 0x0c006F BRIGHTNESS_UP
+key usage 0x0c0070 BRIGHTNESS_DOWN
+key usage 0x0c0173 MEDIA_AUDIO_TRACK
+
+# Joystick and game controller axes.
+# Axes that are not mapped will be assigned generic axis numbers by the input subsystem.
+axis 0x00 X
+axis 0x01 Y
+axis 0x02 Z
+axis 0x03 RX
+axis 0x04 RY
+axis 0x05 RZ
+axis 0x06 THROTTLE
+axis 0x07 RUDDER
+axis 0x08 WHEEL
+axis 0x09 GAS
+axis 0x0a BRAKE
+axis 0x10 HAT_X
+axis 0x11 HAT_Y
+
+# LEDs
+led 0x00 NUM_LOCK
+led 0x01 CAPS_LOCK
+led 0x02 SCROLL_LOCK
+led 0x03 COMPOSE
+led 0x04 KANA
+led 0x05 SLEEP
+led 0x06 SUSPEND
+led 0x07 MUTE
+led 0x08 MISC
+led 0x09 MAIL
+led 0x0a CHARGING
+
+# SENSORs
+sensor 0x00 ACCELEROMETER X
+sensor 0x01 ACCELEROMETER Y
+sensor 0x02 ACCELEROMETER Z
+sensor 0x03 GYROSCOPE X
+sensor 0x04 GYROSCOPE Y
+sensor 0x05 GYROSCOPE Z

keylayout/Generic.kl

@@ -0,0 +1,502 @@
+# Copyright (C) 2010 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.
+
+#
+# Generic key layout file for full alphabetic US English PC style external keyboards.
+#
+# This file is intentionally very generic and is intended to support a broad range of keyboards.
+# Do not edit the generic key layout to support a specific keyboard; instead, create
+# a new key layout file with the required keyboard configuration.
+#
+
+key 1     ESCAPE
+key 2     1
+key 3     2
+key 4     3
+key 5     4
+key 6     5
+key 7     6
+key 8     7
+key 9     8
+key 10    9
+key 11    0
+key 12    MINUS
+key 13    EQUALS
+key 14    DEL
+key 15    TAB
+key 16    Q
+key 17    W
+key 18    E
+key 19    R
+key 20    T
+key 21    Y
+key 22    U
+key 23    I
+key 24    O
+key 25    P
+key 26    LEFT_BRACKET
+key 27    RIGHT_BRACKET
+key 28    ENTER
+key 29    CTRL_LEFT
+key 30    A
+key 31    S
+key 32    D
+key 33    F
+key 34    G
+key 35    H
+key 36    J
+key 37    K
+key 38    L
+key 39    SEMICOLON
+key 40    APOSTROPHE
+key 41    GRAVE
+key 42    SHIFT_LEFT
+key 43    BACKSLASH
+key 44    Z
+key 45    X
+key 46    C
+key 47    V
+key 48    B
+key 49    N
+key 50    M
+key 51    COMMA
+key 52    PERIOD
+key 53    SLASH
+key 54    SHIFT_RIGHT
+key 55    NUMPAD_MULTIPLY
+key 56    ALT_LEFT
+key 57    SPACE
+key 58    CAPS_LOCK
+key 59    F1
+key 60    F2
+key 61    F3
+key 62    F4
+key 63    F5
+key 64    F6
+key 65    F7
+key 66    F8
+key 67    F9
+key 68    F10
+key 69    NUM_LOCK
+key 70    SCROLL_LOCK
+key 71    NUMPAD_7
+key 72    NUMPAD_8
+key 73    NUMPAD_9
+key 74    NUMPAD_SUBTRACT
+key 75    NUMPAD_4
+key 76    NUMPAD_5
+key 77    NUMPAD_6
+key 78    NUMPAD_ADD
+key 79    NUMPAD_1
+key 80    NUMPAD_2
+key 81    NUMPAD_3
+key 82    NUMPAD_0
+key 83    NUMPAD_DOT
+# key 84 (undefined)
+key 85    ZENKAKU_HANKAKU
+key 86    BACKSLASH
+key 87    F11
+key 88    F12
+key 89    RO
+# key 90 "KEY_KATAKANA"
+# key 91 "KEY_HIRAGANA"
+key 92    HENKAN
+key 93    KATAKANA_HIRAGANA
+key 94    MUHENKAN
+key 95    NUMPAD_COMMA
+key 96    NUMPAD_ENTER
+key 97    CTRL_RIGHT
+key 98    NUMPAD_DIVIDE
+key 99    SYSRQ
+key 100   ALT_RIGHT
+# key 101 "KEY_LINEFEED"
+key 102   MOVE_HOME
+key 103   DPAD_UP
+key 104   PAGE_UP
+key 105   DPAD_LEFT
+key 106   DPAD_RIGHT
+key 107   MOVE_END
+key 108   DPAD_DOWN
+key 109   PAGE_DOWN
+key 110   INSERT
+key 111   FORWARD_DEL
+# key 112 "KEY_MACRO"
+key 113   VOLUME_MUTE
+key 114   VOLUME_DOWN
+key 115   VOLUME_UP
+key 116   POWER
+key 117   NUMPAD_EQUALS
+# key 118 "KEY_KPPLUSMINUS"
+key 119   BREAK
+key 120   RECENT_APPS
+key 121   NUMPAD_COMMA
+key 122   KANA
+key 123   EISU
+key 124   YEN
+key 125   META_LEFT
+key 126   META_RIGHT
+key 127   MENU
+key 128   MEDIA_STOP
+# key 129 "KEY_AGAIN"
+# key 130 "KEY_PROPS"
+# key 131 "KEY_UNDO"
+# key 132 "KEY_FRONT"
+key 133   COPY
+# key 134 "KEY_OPEN"
+key 135   PASTE
+# key 136 "KEY_FIND"
+key 137   CUT
+# key 138 "KEY_HELP"
+key 139   MENU
+key 140   CALCULATOR
+# key 141 "KEY_SETUP"
+key 142   SLEEP
+key 143   WAKEUP
+# key 144 "KEY_FILE"
+# key 145 "KEY_SENDFILE"
+# key 146 "KEY_DELETEFILE"
+# key 147 "KEY_XFER"
+# key 148 "KEY_PROG1"
+# key 149 "KEY_PROG2"
+key 150   EXPLORER
+# key 151 "KEY_MSDOS"
+key 152   LOCK
+# key 153 "KEY_DIRECTION"
+# key 154 "KEY_CYCLEWINDOWS"
+key 155   ENVELOPE
+key 156   BOOKMARK
+# key 157 "KEY_COMPUTER"
+key 158   BACK
+key 159   FORWARD
+key 160   MEDIA_CLOSE
+key 161   MEDIA_EJECT
+key 162   MEDIA_EJECT
+key 163   MEDIA_NEXT
+key 164   MEDIA_PLAY_PAUSE
+key 165   MEDIA_PREVIOUS
+key 166   MEDIA_STOP
+key 167   MEDIA_RECORD
+key 168   MEDIA_REWIND
+key 169   CALL
+# key 170 "KEY_ISO"
+key 171   MUSIC
+key 172   HOME
+key 173   REFRESH
+# key 174 "KEY_EXIT"
+# key 175 "KEY_MOVE"
+# key 176 "KEY_EDIT"
+key 177   PAGE_UP
+key 178   PAGE_DOWN
+key 179   NUMPAD_LEFT_PAREN
+key 180   NUMPAD_RIGHT_PAREN
+key 181   NEW
+# key 182 "KEY_REDO"
+key 183   F13
+key 184   F14
+key 185   F15
+key 186   F16
+key 187   F17
+key 188   F18
+key 189   F19
+key 190   F20
+key 191   F21
+key 192   F22
+key 193   F23
+key 194   F24
+# key 195 (undefined)
+# key 196 (undefined)
+# key 197 (undefined)
+# key 198 (undefined)
+# key 199 (undefined)
+key 200   MEDIA_PLAY
+key 201   MEDIA_PAUSE
+# key 202 "KEY_PROG3"
+# key 203 "KEY_PROG4"
+key 204 NOTIFICATION
+# key 205 "KEY_SUSPEND"
+key 206   CLOSE
+key 207   MEDIA_PLAY
+key 208   MEDIA_FAST_FORWARD
+# key 209 "KEY_BASSBOOST"
+key 210   PRINT
+# key 211 "KEY_HP"
+key 212   CAMERA
+key 213   MUSIC
+# key 214 "KEY_QUESTION"
+key 215   ENVELOPE
+# key 216 "KEY_CHAT"
+key 217   SEARCH
+# key 218 "KEY_CONNECT"
+# key 219 "KEY_FINANCE"
+# key 220 "KEY_SPORT"
+# key 221 "KEY_SHOP"
+# key 222 "KEY_ALTERASE"
+# key 223 "KEY_CANCEL"
+key 224   BRIGHTNESS_DOWN
+key 225   BRIGHTNESS_UP
+key 226   HEADSETHOOK
+key 228   KEYBOARD_BACKLIGHT_TOGGLE
+key 229   KEYBOARD_BACKLIGHT_DOWN
+key 230   KEYBOARD_BACKLIGHT_UP
+key 248   MUTE
+
+key 256   BUTTON_1
+key 257   BUTTON_2
+key 258   BUTTON_3
+key 259   BUTTON_4
+key 260   BUTTON_5
+key 261   BUTTON_6
+key 262   BUTTON_7
+key 263   BUTTON_8
+key 264   BUTTON_9
+key 265   BUTTON_10
+key 266   BUTTON_11
+key 267   BUTTON_12
+key 268   BUTTON_13
+key 269   BUTTON_14
+key 270   BUTTON_15
+key 271   BUTTON_16
+
+key 288   BUTTON_1
+key 289   BUTTON_2
+key 290   BUTTON_3
+key 291   BUTTON_4
+key 292   BUTTON_5
+key 293   BUTTON_6
+key 294   BUTTON_7
+key 295   BUTTON_8
+key 296   BUTTON_9
+key 297   BUTTON_10
+key 298   BUTTON_11
+key 299   BUTTON_12
+key 300   BUTTON_13
+key 301   BUTTON_14
+key 302   BUTTON_15
+key 303   BUTTON_16
+
+
+key 304   BUTTON_A
+key 305   BUTTON_B
+key 306   BUTTON_C
+key 307   BUTTON_X
+key 308   BUTTON_Y
+key 309   BUTTON_Z
+key 310   BUTTON_L1
+key 311   BUTTON_R1
+key 312   BUTTON_L2
+key 313   BUTTON_R2
+key 314   BUTTON_SELECT
+key 315   BUTTON_START
+key 316   BUTTON_MODE
+key 317   BUTTON_THUMBL
+key 318   BUTTON_THUMBR
+
+
+key 329   STYLUS_BUTTON_TERTIARY
+key 331   STYLUS_BUTTON_PRIMARY
+key 332   STYLUS_BUTTON_SECONDARY
+
+
+# key 352 "KEY_OK"
+key 353   DPAD_CENTER
+# key 354 "KEY_GOTO"
+# key 355 "KEY_CLEAR"
+# key 356 "KEY_POWER2"
+# key 357 "KEY_OPTION"
+# key 358 "KEY_INFO"
+# key 359 "KEY_TIME"
+# key 360 "KEY_VENDOR"
+# key 361 "KEY_ARCHIVE"
+key 362   GUIDE
+# key 363 "KEY_CHANNEL"
+# key 364 "KEY_FAVORITES"
+# key 365 "KEY_EPG"
+key 366   DVR
+# key 367 "KEY_MHP"
+key 368   LANGUAGE_SWITCH
+# key 369 "KEY_TITLE"
+key 370   CAPTIONS
+# key 371 "KEY_ANGLE"
+key 372   FULLSCREEN
+# key 373 "KEY_MODE"
+# key 374 "KEY_KEYBOARD"
+# key 375 "KEY_SCREEN"
+# key 376 "KEY_PC"
+key 377   TV
+# key 378 "KEY_TV2"
+# key 379 "KEY_VCR"
+# key 380 "KEY_VCR2"
+# key 381 "KEY_SAT"
+# key 382 "KEY_SAT2"
+# key 383 "KEY_CD"
+# key 384 "KEY_TAPE"
+# key 385 "KEY_RADIO"
+# key 386 "KEY_TUNER"
+# key 387 "KEY_PLAYER"
+# key 388 "KEY_TEXT"
+# key 389 "KEY_DVD"
+# key 390 "KEY_AUX"
+# key 391 "KEY_MP3"
+# key 392 "KEY_AUDIO"
+# key 393 "KEY_VIDEO"
+# key 394 "KEY_DIRECTORY"
+# key 395 "KEY_LIST"
+# key 396 "KEY_MEMO"
+key 397   CALENDAR
+key 398   PROG_RED
+key 399   PROG_GREEN
+key 400   PROG_YELLOW
+key 401   PROG_BLUE
+key 402   CHANNEL_UP
+key 403   CHANNEL_DOWN
+# key 404 "KEY_FIRST"
+key 405   LAST_CHANNEL
+# key 406 "KEY_AB"
+# key 407 "KEY_NEXT"
+# key 408 "KEY_RESTART"
+# key 409 "KEY_SLOW"
+# key 410 "KEY_SHUFFLE"
+# key 411 "KEY_BREAK"
+# key 412 "KEY_PREVIOUS"
+# key 413 "KEY_DIGITS"
+# key 414 "KEY_TEEN"
+# key 415 "KEY_TWEN"
+# key 418 "KEY_ZOOM_IN"
+key 418   ZOOM_IN
+# key 419 "KEY_ZOOM_OUT"
+key 419   ZOOM_OUT
+key 528 FOCUS
+
+key 429   CONTACTS
+
+# key 448 "KEY_DEL_EOL"
+# key 449 "KEY_DEL_EOS"
+# key 450 "KEY_INS_LINE"
+# key 451 "KEY_DEL_LINE"
+
+
+key 464   FUNCTION
+key 465   ESCAPE            FUNCTION
+key 466   F1                FUNCTION
+key 467   F2                FUNCTION
+key 468   F3                FUNCTION
+key 469   F4                FUNCTION
+key 470   F5                FUNCTION
+key 471   F6                FUNCTION
+key 472   F7                FUNCTION
+key 473   F8                FUNCTION
+key 474   F9                FUNCTION
+key 475   F10               FUNCTION
+key 476   F11               FUNCTION
+key 477   F12               FUNCTION
+key 478   1                 FUNCTION
+key 479   2                 FUNCTION
+key 480   D                 FUNCTION
+key 481   E                 FUNCTION
+key 482   F                 FUNCTION
+key 483   S                 FUNCTION
+key 484   B                 FUNCTION
+
+
+# key 497 KEY_BRL_DOT1
+# key 498 KEY_BRL_DOT2
+# key 499 KEY_BRL_DOT3
+# key 500 KEY_BRL_DOT4
+# key 501 KEY_BRL_DOT5
+# key 502 KEY_BRL_DOT6
+# key 503 KEY_BRL_DOT7
+# key 504 KEY_BRL_DOT8
+
+key 522   STAR
+key 523   POUND
+key 580   APP_SWITCH
+key 582   VOICE_ASSIST
+# Linux KEY_ASSISTANT
+key 583   ASSIST
+key 585   EMOJI_PICKER
+key 586   DICTATE
+key 656   MACRO_1
+key 657   MACRO_2
+key 658   MACRO_3
+key 659   MACRO_4
+
+# CEC
+key 352   ENTER
+key 618   HOME
+key 141   POWER
+key 174   BACK
+
+# Keys defined by HID usages
+key usage 0x010082 LOCK                      FALLBACK_USAGE_MAPPING
+key usage 0x01009B DO_NOT_DISTURB            FALLBACK_USAGE_MAPPING
+key usage 0x0c0065 SCREENSHOT                FALLBACK_USAGE_MAPPING
+key usage 0x0c0067 WINDOW                    FALLBACK_USAGE_MAPPING
+key usage 0x0c006F BRIGHTNESS_UP             FALLBACK_USAGE_MAPPING
+key usage 0x0c0070 BRIGHTNESS_DOWN           FALLBACK_USAGE_MAPPING
+key usage 0x0c0079 KEYBOARD_BACKLIGHT_UP     FALLBACK_USAGE_MAPPING
+key usage 0x0c007A KEYBOARD_BACKLIGHT_DOWN   FALLBACK_USAGE_MAPPING
+key usage 0x0c007C KEYBOARD_BACKLIGHT_TOGGLE FALLBACK_USAGE_MAPPING
+key usage 0x0c00D8 DICTATE                   FALLBACK_USAGE_MAPPING
+key usage 0x0c00D9 EMOJI_PICKER              FALLBACK_USAGE_MAPPING
+key usage 0x0c0173 MEDIA_AUDIO_TRACK         FALLBACK_USAGE_MAPPING
+key usage 0x0c019C PROFILE_SWITCH            FALLBACK_USAGE_MAPPING
+key usage 0x0c019F SETTINGS                  FALLBACK_USAGE_MAPPING
+key usage 0x0c01A2 ALL_APPS                  FALLBACK_USAGE_MAPPING
+key usage 0x0c0201 NEW                       FALLBACK_USAGE_MAPPING
+key usage 0x0c0203 CLOSE                     FALLBACK_USAGE_MAPPING
+key usage 0x0c0208 PRINT                     FALLBACK_USAGE_MAPPING
+key usage 0x0c0227 REFRESH                   FALLBACK_USAGE_MAPPING
+key usage 0x0c0232 FULLSCREEN                FALLBACK_USAGE_MAPPING
+key usage 0x0c029D LANGUAGE_SWITCH           FALLBACK_USAGE_MAPPING
+key usage 0x0c029F RECENT_APPS               FALLBACK_USAGE_MAPPING
+key usage 0x0c02A2 ALL_APPS                  FALLBACK_USAGE_MAPPING
+key usage 0x0d0044 STYLUS_BUTTON_PRIMARY     FALLBACK_USAGE_MAPPING
+key usage 0x0d005a STYLUS_BUTTON_SECONDARY   FALLBACK_USAGE_MAPPING
+
+# Joystick and game controller axes.
+# Axes that are not mapped will be assigned generic axis numbers by the input subsystem.
+axis 0x00 X
+axis 0x01 Y
+axis 0x02 Z
+axis 0x03 RX
+axis 0x04 RY
+axis 0x05 RZ
+axis 0x06 THROTTLE
+axis 0x07 RUDDER
+axis 0x08 WHEEL
+axis 0x09 RTRIGGER
+axis 0x0a LTRIGGER
+axis 0x10 HAT_X
+axis 0x11 HAT_Y
+
+# LEDs
+led 0x00 NUM_LOCK
+led 0x01 CAPS_LOCK
+led 0x02 SCROLL_LOCK
+led 0x03 COMPOSE
+led 0x04 KANA
+led 0x05 SLEEP
+led 0x06 SUSPEND
+led 0x07 MUTE
+led 0x08 MISC
+led 0x09 MAIL
+led 0x0a CHARGING
+
+# SENSORs
+sensor 0x00 ACCELEROMETER X
+sensor 0x01 ACCELEROMETER Y
+sensor 0x02 ACCELEROMETER Z
+sensor 0x03 GYROSCOPE X
+sensor 0x04 GYROSCOPE Y
+sensor 0x05 GYROSCOPE Z

light/Android.bp

@@ -1,24 +1,49 @@
-// Copyright (C) 2018 The LineageOS Project
-// Copyright (C) 2021-2022 KonstaKANG
+// Copyright (C) 2020 The Android Open Source Project
+// Copyright (C) 2023 KonstaKANG
 //
 // SPDX-License-Identifier: Apache-2.0
 
 cc_binary {
-    name: "android.hardware.light@2.0-service.rpi",
-    init_rc: ["android.hardware.light@2.0-service.rpi.rc"],
-    vintf_fragments: ["android.hardware.light@2.0-service.rpi.xml"],
-    proprietary: true,
+    name: "android.hardware.light-service.rpi",
     relative_install_path: "hw",
+    vendor: true,
     srcs: [
-         "Light.cpp",
-         "service.cpp",
+        "Lights.cpp",
+        "main.cpp",
     ],
     shared_libs: [
+        "android.hardware.light-V2-ndk",
         "libbase",
-        "libcutils",
-        "libhardware",
-        "libhidlbase",
-        "libutils",
-        "android.hardware.light@2.0",
+        "libbinder_ndk",
+    ],
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.light-service.rpi.rc",
+    src: "android.hardware.light-service.rpi.rc",
+    installable: false,
+}
+
+prebuilt_etc {
+    name: "android.hardware.light-service.rpi.xml",
+    src: "android.hardware.light-service.rpi.xml",
+    sub_dir: "vintf",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.light.rpi4",
+    manifest: "apex_manifest.json",
+    file_contexts: "apex_file_contexts",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
+    updatable: false,
+    vendor: true,
+
+    binaries: ["android.hardware.light-service.rpi"],
+    prebuilts: [
+        "android.hardware.light-service.rpi.rc",
+        "android.hardware.light-service.rpi.xml",
     ],
 }

light/Light.cpp

@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2018 The LineageOS Project
- * Copyright (C) 2021-2022 KonstaKANG
- *
- * 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 "LightService"
-
-#include "Light.h"
-
-#include <android-base/logging.h>
-
-namespace {
-using android::hardware::light::V2_0::LightState;
-
-static constexpr int DEFAULT_MAX_BRIGHTNESS = 255;
-
-static uint32_t rgbToBrightness(const LightState& state) {
-    uint32_t color = state.color & 0x00ffffff;
-    return ((77 * ((color >> 16) & 0xff)) + (150 * ((color >> 8) & 0xff)) +
-            (29 * (color & 0xff))) >> 8;
-}
-}  // anonymous namespace
-
-namespace android {
-namespace hardware {
-namespace light {
-namespace V2_0 {
-namespace implementation {
-
-Light::Light(std::pair<std::ofstream, uint32_t>&& lcd_backlight)
-    : mLcdBacklight(std::move(lcd_backlight)) {
-    auto backlightFn(std::bind(&Light::setLcdBacklight, this, std::placeholders::_1));
-    mLights.emplace(std::make_pair(Type::BACKLIGHT, backlightFn));
-}
-
-// Methods from ::android::hardware::light::V2_0::ILight follow.
-Return<Status> Light::setLight(Type type, const LightState& state) {
-    auto it = mLights.find(type);
-
-    if (it == mLights.end()) {
-        return Status::LIGHT_NOT_SUPPORTED;
-    }
-
-    it->second(state);
-
-    return Status::SUCCESS;
-}
-
-Return<void> Light::getSupportedTypes(getSupportedTypes_cb _hidl_cb) {
-    std::vector<Type> types;
-
-    for (auto const& light : mLights) {
-        types.push_back(light.first);
-    }
-
-    _hidl_cb(types);
-
-    return Void();
-}
-
-void Light::setLcdBacklight(const LightState& state) {
-    std::lock_guard<std::mutex> lock(mLock);
-
-    uint32_t brightness = rgbToBrightness(state);
-
-    // If max panel brightness is not the default (255),
-    // apply linear scaling across the accepted range.
-    if (mLcdBacklight.second != DEFAULT_MAX_BRIGHTNESS) {
-        int old_brightness = brightness;
-        brightness = brightness * mLcdBacklight.second / DEFAULT_MAX_BRIGHTNESS;
-        LOG(VERBOSE) << "scaling brightness " << old_brightness << " => " << brightness;
-    }
-
-    mLcdBacklight.first << brightness << std::endl;
-}
-
-}  // namespace implementation
-}  // namespace V2_0
-}  // namespace light
-}  // namespace hardware
-}  // namespace android

light/Light.h

@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2018 The LineageOS Project
- * Copyright (C) 2021-2022 KonstaKANG
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
-#define ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H
-
-#include <android/hardware/light/2.0/ILight.h>
-#include <hidl/Status.h>
-
-#include <fstream>
-#include <mutex>
-#include <unordered_map>
-
-namespace android {
-namespace hardware {
-namespace light {
-namespace V2_0 {
-namespace implementation {
-
-struct Light : public ILight {
-    Light(std::pair<std::ofstream, uint32_t>&& lcd_backlight);
-
-    // Methods from ::android::hardware::light::V2_0::ILight follow.
-    Return<Status> setLight(Type type, const LightState& state) override;
-    Return<void> getSupportedTypes(getSupportedTypes_cb _hidl_cb) override;
-
-  private:
-    void setLcdBacklight(const LightState& state);
-
-    std::pair<std::ofstream, uint32_t> mLcdBacklight;
-
-    std::unordered_map<Type, std::function<void(const LightState&)>> mLights;
-    std::mutex mLock;
-};
-
-}  // namespace implementation
-}  // namespace V2_0
-}  // namespace light
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_LIGHT_V2_0_LIGHT_H

light/Lights.cpp

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ * Copyright (C) 2023 KonstaKANG
+ *
+ * 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 "android.hardware.light-service.rpi"
+
+#include "Lights.h"
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+
+using ::android::base::ReadFileToString;
+using ::android::base::WriteStringToFile;
+
+namespace aidl::android::hardware::light {
+
+static const uint32_t defaultMaxBrightness = 255;
+
+static const std::string backlightBasePath = "/sys/class/backlight/";
+
+static const std::string backlightPaths[] = {
+    "10-0045",
+    "11-0045",
+    "rpi_backlight",
+};
+
+static const std::vector<HwLight> availableLights = {
+    {.id = (int)LightType::BACKLIGHT, .type = LightType::BACKLIGHT, .ordinal = 0}
+};
+
+Lights::Lights() {
+    maxBrightness = defaultMaxBrightness;
+
+    for (auto &path : backlightPaths) {
+        std::string backlightMaxBrightnessPath = backlightBasePath + path + "/max_brightness";
+        if (!access(backlightMaxBrightnessPath.c_str(), R_OK)) {
+            std::string maxBrightnessValue;
+            if (ReadFileToString(backlightMaxBrightnessPath, &maxBrightnessValue)) {
+                maxBrightness = std::stoi(maxBrightnessValue);
+                LOG(INFO) << backlightMaxBrightnessPath << " = " << maxBrightnessValue;
+                break;
+            }
+        }
+    }
+}
+
+ndk::ScopedAStatus Lights::setLightState(int id, const HwLightState& state) {
+    HwLight const& light = availableLights[id];
+    std::string const brightness = std::to_string(rgbToScaledBrightness(state, maxBrightness));
+
+    switch (light.type) {
+        case LightType::BACKLIGHT:
+            for (auto &path : backlightPaths) {
+                std::string backlightBrightnessPath = backlightBasePath + path + "/brightness";
+                if (!access(backlightBrightnessPath.c_str(), W_OK)) {
+                   WriteStringToFile(brightness, backlightBrightnessPath);
+                   break;
+                }
+            }
+            break;
+        default:
+            return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Lights::getLights(std::vector<HwLight>* lights) {
+    for (auto i = availableLights.begin(); i != availableLights.end(); i++) {
+        lights->push_back(*i);
+    }
+
+    return ndk::ScopedAStatus::ok();
+}
+
+uint32_t Lights::rgbToScaledBrightness(const HwLightState& state, uint32_t maxBrightness) {
+    uint32_t color = state.color & 0x00ffffff;
+    uint32_t brightness = ((77 * ((color >> 16) & 0xff)) + (150 * ((color >> 8) & 0xff)) +
+            (29 * (color & 0xff))) >> 8;
+    return brightness * maxBrightness / 0xff;
+}
+
+}  // aidl::android::hardware::light

light/Lights.h

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ * Copyright (C) 2023 KonstaKANG
+ *
+ * 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/light/BnLights.h>
+
+namespace aidl::android::hardware::light {
+
+class Lights : public BnLights {
+public:
+    Lights();
+
+    ndk::ScopedAStatus setLightState(int id, const HwLightState& state) override;
+    ndk::ScopedAStatus getLights(std::vector<HwLight>* types) override;
+
+private:
+    uint32_t maxBrightness;
+    uint32_t rgbToScaledBrightness(const HwLightState& state, uint32_t maxBrightness);
+};
+
+}  // aidl::android::hardware::light

light/android.hardware.light-service.rpi.rc

@@ -0,0 +1,19 @@
+on early-boot
+    chown system system /sys/class/backlight/10-0045/brightness
+    chown system system /sys/class/backlight/10-0045/max_brightness
+    chown system system /sys/class/backlight/11-0045/brightness
+    chown system system /sys/class/backlight/11-0045/max_brightness
+    chown system system /sys/class/backlight/rpi_backlight/brightness
+    chown system system /sys/class/backlight/rpi_backlight/max_brightness
+    chmod 660 /sys/class/backlight/10-0045/brightness
+    chmod 440 /sys/class/backlight/10-0045/max_brightness
+    chmod 660 /sys/class/backlight/11-0045/brightness
+    chmod 440 /sys/class/backlight/11-0045/max_brightness
+    chmod 660 /sys/class/backlight/rpi_backlight/brightness
+    chmod 440 /sys/class/backlight/rpi_backlight/max_brightness
+
+service vendor.light-rpi /apex/com.android.hardware.light.rpi4/bin/hw/android.hardware.light-service.rpi
+    class hal
+    user system
+    group system
+    shutdown critical

light/android.hardware.light-service.rpi.xml

@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.light</name>
+        <version>2</version>
+        <fqname>ILights/default</fqname>
+    </hal>
+</manifest>

light/android.hardware.light@2.0-service.rpi.rc

@@ -1,11 +0,0 @@
-on init
-    chown system system /sys/class/backlight/rpi_backlight/brightness
-    chmod 660 /sys/class/backlight/rpi_backlight/brightness
-
-service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service.rpi
-    interface android.hardware.light@2.0::ILight default
-    class hal
-    user system
-    group system
-    # shutting off lights while powering-off
-    shutdown critical

light/android.hardware.light@2.0-service.rpi.xml

@@ -1,11 +0,0 @@
-<manifest version="1.0" type="device">
-    <hal format="hidl">
-        <name>android.hardware.light</name>
-        <transport>hwbinder</transport>
-        <version>2.0</version>
-        <interface>
-            <name>ILight</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-</manifest>

light/apex_file_contexts

@@ -0,0 +1,3 @@
+(/.*)?                                         u:object_r:vendor_file:s0
+/etc(/.*)?                                     u:object_r:vendor_configs_file:s0
+/bin/hw/android\.hardware\.light-service\.rpi  u:object_r:hal_light_default_exec:s0

light/apex_manifest.json

@@ -0,0 +1,4 @@
+{
+    "name": "com.android.hardware.light.rpi4",
+    "version": 1
+}

light/main.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2025 KonstaKANG
+ *
+ * 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 "Lights.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using ::aidl::android::hardware::light::Lights;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<Lights> lights = ndk::SharedRefBase::make<Lights>();
+
+    const std::string instance = std::string() + Lights::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(lights->asBinder().get(), instance.c_str());
+    CHECK(status == STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}

light/service.cpp

@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2018 The LineageOS Project
- * Copyright (C) 2021-2022 KonstaKANG
- *
- * 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 "android.hardware.light@2.0-service.rpi"
-
-#include <android-base/logging.h>
-#include <hidl/HidlTransportSupport.h>
-#include <utils/Errors.h>
-
-#include "Light.h"
-
-// libhwbinder:
-using android::hardware::configureRpcThreadpool;
-using android::hardware::joinRpcThreadpool;
-
-// Generated HIDL files
-using android::hardware::light::V2_0::ILight;
-using android::hardware::light::V2_0::implementation::Light;
-
-const static std::string kLcdBacklightPath = "/sys/class/backlight/rpi_backlight/brightness";
-
-int main() {
-    uint32_t lcdMaxBrightness = 255;
-
-    std::ofstream lcdBacklight(kLcdBacklightPath);
-    if (!lcdBacklight) {
-        LOG(ERROR) << "Failed to open " << kLcdBacklightPath << ", error=" << errno
-                   << " (" << strerror(errno) << ")";
-        //return -errno;
-    }
-
-    android::sp<ILight> service = new Light(
-            {std::move(lcdBacklight), lcdMaxBrightness});
-
-    configureRpcThreadpool(1, true);
-
-    android::status_t status = service->registerAsService();
-
-    if (status != android::OK) {
-        LOG(ERROR) << "Cannot register Light HAL service";
-        //return 1;
-    }
-
-    LOG(INFO) << "Light HAL Ready.";
-    joinRpcThreadpool();
-    // Under normal cases, execution will not reach this line.
-    LOG(ERROR) << "Light HAL failed to join thread pool.";
-    return 1;
-}

manifest.xml

@@ -1,8 +1,8 @@
-<manifest version="1.0" type="device" target-level="6">
+<manifest version="1.0" type="device" target-level="8">
     <hal format="hidl">
         <name>android.hardware.audio</name>
         <transport>hwbinder</transport>
-        <version>7.0</version>
+        <version>7.1</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>
@@ -17,85 +17,13 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl">
-        <name>android.hardware.bluetooth</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>IBluetoothHci</name>
-            <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">
+    <hal format="aidl">
         <name>android.hardware.camera.provider</name>
-        <transport>hwbinder</transport>
-        <version>2.5</version>
+        <version>1</version>
         <interface>
             <name>ICameraProvider</name>
             <instance>external/0</instance>
-            <instance>legacy/0</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
-        <name>android.hardware.drm</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>ICryptoFactory</name>
-            <instance>default</instance>
-        </interface>
-        <interface>
-            <name>IDrmFactory</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
-        <name>android.hardware.graphics.composer</name>
-        <transport>hwbinder</transport>
-        <version>2.4</version>
-        <interface>
-            <name>IComposer</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
-        <name>android.hardware.keymaster</name>
-        <transport>hwbinder</transport>
-        <version>3.0</version>
-        <interface>
-            <name>IKeymasterDevice</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
-        <name>android.hardware.media.c2</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>IComponentStore</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-    <hal format="hidl">
-        <name>android.hardware.media.omx</name>
-        <transport>hwbinder</transport>
-        <version>1.0</version>
-        <interface>
-            <name>IOmx</name>
-            <instance>default</instance>
-        </interface>
-        <interface>
-            <name>IOmxStore</name>
-            <instance>default</instance>
+            <instance>libcamera/0</instance>
         </interface>
     </hal>
 </manifest>

media/media_codecs.xml

@@ -17,7 +17,8 @@
 -->
 
 <MediaCodecs>
-    <!-- <Include href="media_codecs_v4l2_c2_video.xml" /> -->
+    <Include href="media_codecs_ffmpeg_c2.xml" />
+    <Include href="media_codecs_v4l2_c2_video.xml" />
     <Include href="media_codecs_google_c2_audio.xml" />
     <Include href="media_codecs_google_c2_tv.xml" />
     <Include href="media_codecs_google_c2_video.xml" />

media/media_codecs_ffmpeg_c2.xml

@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2022 Michael Goffioul <michael.goffioul@gmail.com>
+     Copyright (C) 2025 KonstaKANG
+
+     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.
+-->
+
+<MediaCodecs>
+    <Decoders>
+        <!-- Audio codecs -->
+        <MediaCodec name="c2.ffmpeg.aac.decoder" type="audio/mp4a-latm">
+            <Alias name="OMX.ffmpeg.aac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.ac3.decoder" type="audio/ac3">
+            <Alias name="OMX.ffmpeg.ac3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.alac.decoder" type="audio/alac">
+            <Alias name="OMX.ffmpeg.alac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.flac.decoder" type="audio/flac">
+            <Alias name="OMX.ffmpeg.flac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mp2.decoder" type="audio/mpeg-L2">
+            <Alias name="OMX.ffmpeg.mp2.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mp3.decoder" type="audio/mpeg">
+            <Alias name="OMX.ffmpeg.mp3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vorbis.decoder" type="audio/vorbis">
+            <Alias name="OMX.ffmpeg.vorbisac3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+
+        <!-- Video codecs -->
+        <MediaCodec name="c2.ffmpeg.av1.decoder" type="video/av01">
+            <Alias name="OMX.ffmpeg.av1.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.h263.decoder" type="video/3gpp">
+            <Alias name="OMX.ffmpeg.h263.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.h264.decoder" type="video/avc">
+            <Alias name="OMX.ffmpeg.h264.decoder" />
+            <Limit name="size" min="2x2" max="4080x4080" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.hevc.decoder" type="video/hevc">
+            <Alias name="OMX.ffmpeg.hevc.decoder" />
+            <Limit name="size" min="2x2" max="4096x4096" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mpeg2.decoder" type="video/mpeg2">
+            <Alias name="OMX.ffmpeg.mpeg2.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mpeg4.decoder" type="video/mp4v-es">
+            <Alias name="OMX.ffmpeg.mpeg4.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vp8.decoder" type="video/x-vnd.on2.vp8">
+            <Alias name="OMX.ffmpeg.vp8.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vp9.decoder" type="video/x-vnd.on2.vp9">
+            <Alias name="OMX.ffmpeg.vp9.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+    </Decoders>
+</MediaCodecs>

media/media_codecs_v4l2_c2_video.xml

@@ -17,7 +17,6 @@
 -->
 
 <Included>
-<!--
    <Encoders>
        <MediaCodec name="c2.v4l2.avc.encoder" type="video/avc">
            <Limit name="size" min="32x32" max="4096x4096" />
@@ -29,10 +28,9 @@
            <Limit name="performance-point-1280x720" range="30-30" />
        </MediaCodec>
    </Encoders>
--->
 
    <Decoders>
-       <MediaCodec name="c2.v4l2.avc.decoder" type="video/avc" >
+       <MediaCodec name="c2.v4l2.avc.decoder" type="video/avc">
            <Limit name="size" min="16x16" max="4096x4096" />
            <Limit name="alignment" value="2x2" />
            <Limit name="block-size" value="16x16" />
@@ -42,65 +40,5 @@
            <Limit name="performance-point-3840x2160" range="30-30" />
            <Feature name="adaptive-playback" />
        </MediaCodec>
-
-<!--
-       <MediaCodec name="c2.v4l2.vp8.decoder" type="video/x-vnd.on2.vp8" >
-           <Limit name="size" min="16x16" max="4096x4096" />
-           <Limit name="alignment" value="2x2" />
-           <Limit name="block-size" value="16x16" />
-           <Limit name="blocks-per-second" min="1" max="1984500" />
-           <Limit name="bitrate" range="1-62500000" />
-           <Limit name="concurrent-instances" max="8" />
-           <Limit name="performance-point-3840x2160" range="30-30" />
-           <Feature name="adaptive-playback" />
-       </MediaCodec>
-
-       <MediaCodec name="c2.v4l2.vp9.decoder" type="video/x-vnd.on2.vp9" >
-           <Limit name="size" min="16x16" max="4096x4096" />
-           <Limit name="alignment" value="2x2" />
-           <Limit name="block-size" value="16x16" />
-           <Limit name="blocks-per-second" min="1" max="2073600" />
-           <Limit name="bitrate" range="1-62500000" />
-           <Limit name="concurrent-instances" max="8" />
-           <Limit name="performance-point-3840x2160" range="30-30" />
-           <Feature name="adaptive-playback" />
-       </MediaCodec>
-
-       <MediaCodec name="c2.v4l2.avc.decoder.secure" type="video/avc" >
-           <Limit name="size" min="16x16" max="4096x4096" />
-           <Limit name="alignment" value="2x2" />
-           <Limit name="block-size" value="16x16" />
-           <Limit name="blocks-per-second" min="1" max="1879200" />
-           <Limit name="bitrate" range="1-62500000" />
-           <Limit name="concurrent-instances" max="8" />
-           <Limit name="performance-point-3840x2160" range="30-30" />
-           <Feature name="adaptive-playback" />
-           <Feature name="secure-playback" required="true" />
-       </MediaCodec>
-
-       <MediaCodec name="c2.v4l2.vp8.decoder.secure" type="video/x-vnd.on2.vp8" >
-           <Limit name="size" min="16x16" max="4096x4096" />
-           <Limit name="alignment" value="2x2" />
-           <Limit name="block-size" value="16x16" />
-           <Limit name="blocks-per-second" min="1" max="1984500" />
-           <Limit name="bitrate" range="1-62500000" />
-           <Limit name="concurrent-instances" max="8" />
-           <Limit name="performance-point-3840x2160" range="30-30" />
-           <Feature name="adaptive-playback" />
-           <Feature name="secure-playback" required="true" />
-       </MediaCodec>
-
-       <MediaCodec name="c2.v4l2.vp9.decoder.secure" type="video/x-vnd.on2.vp9" >
-           <Limit name="size" min="16x16" max="4096x4096" />
-           <Limit name="alignment" value="2x2" />
-           <Limit name="block-size" value="16x16" />
-           <Limit name="blocks-per-second" min="1" max="2073600" />
-           <Limit name="bitrate" range="1-62500000" />
-           <Limit name="concurrent-instances" max="8" />
-           <Limit name="performance-point-3840x2160" range="30-30" />
-           <Feature name="adaptive-playback" />
-           <Feature name="secure-playback" required="true" />
-       </MediaCodec>
--->
    </Decoders>
 </Included>

mkimg.sh

@@ -6,14 +6,37 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-VERSION=RaspberryVanillaAOSP12
-DATE=$(date +%Y%m%d)
-IMGNAME=${VERSION}-${DATE}-rpi4.img
-IMGSIZE=7
-OUTDIR=$(pwd | sed 's/\/device\/brcm\/rpi4$//')/out/target/product/rpi4
+exit_with_error() {
+  echo $@
+  exit 1
+}
 
-echo "Creating image file ${OUTDIR}/${IMGNAME}..."
-sudo dd if=/dev/zero of="${OUTDIR}/${IMGNAME}" bs=1M count=$(echo "${IMGSIZE}*1024" | bc)
+if [ -z ${TARGET_PRODUCT} ]; then
+  exit_with_error "TARGET_PRODUCT environment variable is not set. Run lunch first."
+fi
+
+if [ -z ${ANDROID_PRODUCT_OUT} ]; then
+  exit_with_error "ANDROID_PRODUCT_OUT environment variable is not set. Run lunch first."
+fi
+
+for PARTITION in "boot" "system" "vendor"; do
+  if [ ! -f ${ANDROID_PRODUCT_OUT}/${PARTITION}.img ]; then
+    exit_with_error "Partition image not found. Run 'make ${PARTITION}image' first."
+  fi
+done
+
+VERSION=RaspberryVanillaAOSP16
+DATE=$(date +%Y%m%d)
+TARGET=$(echo ${TARGET_PRODUCT} | sed 's/^aosp_//')
+IMGNAME=${VERSION}-${DATE}-${TARGET}.img
+IMGSIZE=15360000000
+
+if [ -f ${ANDROID_PRODUCT_OUT}/${IMGNAME} ]; then
+  exit_with_error "${ANDROID_PRODUCT_OUT}/${IMGNAME} already exists!"
+fi
+
+echo "Creating image file ${ANDROID_PRODUCT_OUT}/${IMGNAME}..."
+sudo fallocate -l ${IMGSIZE} ${ANDROID_PRODUCT_OUT}/${IMGNAME}
 sync
 
 echo "Creating partitions..."
@@ -28,7 +51,7 @@ echo n
 echo p
 echo 2
 echo
-echo +2048M
+echo +2560M
 echo n
 echo p
 echo 3
@@ -44,29 +67,29 @@ echo c
 echo a
 echo 1
 echo w
-) | sudo fdisk "${OUTDIR}/${IMGNAME}"
+) | sudo fdisk ${ANDROID_PRODUCT_OUT}/${IMGNAME}
 sync
 
-LOOPDEV=$(sudo kpartx -av "${OUTDIR}/${IMGNAME}" | awk 'NR==1{ sub(/p[0-9]$/, "", $3); print $3 }')
+LOOPDEV=$(sudo kpartx -av ${ANDROID_PRODUCT_OUT}/${IMGNAME} | awk 'NR==1{ sub(/p[0-9]$/, "", $3); print $3 }')
 if [ -z ${LOOPDEV} ]; then
-  echo "Unable to find loop device!"
-  exit 1
+  exit_with_error "Unable to find loop device!"
 fi
 echo "Image mounted as /dev/${LOOPDEV}"
 sleep 1
 
 echo "Copying boot..."
-sudo dd if=${OUTDIR}/boot.img of=/dev/mapper/${LOOPDEV}p1 bs=1M
+sudo dd if=${ANDROID_PRODUCT_OUT}/boot.img of=/dev/mapper/${LOOPDEV}p1 bs=1M
 echo "Copying system..."
-sudo dd if=${OUTDIR}/system.img of=/dev/mapper/${LOOPDEV}p2 bs=1M
+sudo dd if=${ANDROID_PRODUCT_OUT}/system.img of=/dev/mapper/${LOOPDEV}p2 bs=1M
 echo "Copying vendor..."
-sudo dd if=${OUTDIR}/vendor.img of=/dev/mapper/${LOOPDEV}p3 bs=1M
+sudo dd if=${ANDROID_PRODUCT_OUT}/vendor.img of=/dev/mapper/${LOOPDEV}p3 bs=1M
 echo "Creating userdata..."
 sudo mkfs.ext4 /dev/mapper/${LOOPDEV}p4 -I 512 -L userdata
-sudo resize2fs /dev/mapper/${LOOPDEV}p4 1212156
 sync
 
 sudo kpartx -d "/dev/${LOOPDEV}"
-echo "Done, created ${OUTDIR}/${IMGNAME}!"
+sudo losetup -d "/dev/${LOOPDEV}"
+sudo chown ${USER}:${USER} ${ANDROID_PRODUCT_OUT}/${IMGNAME}
 
+echo "Done, created ${ANDROID_PRODUCT_OUT}/${IMGNAME}!"
 exit 0

overlay/AndroidRpiOverlay/Android.bp

@@ -6,5 +6,5 @@ runtime_resource_overlay {
     name: "AndroidRpiOverlay",
     resource_dirs: ["res"],
     sdk_version: "current",
-    proprietary: true
+    vendor: true,
 }

overlay/AndroidRpiOverlay/res/values/config.xml

@@ -46,6 +46,12 @@
                cell broadcasting sms, and MMS. -->
     <bool name="config_sms_capable">false</bool>
 
+    <!-- Flag indicating whether the current device allows data.
+         If true, this means that the device supports data connectivity through
+         the telephony network.
+         This can be overridden to false for devices that support voice and/or sms . -->
+    <bool name="config_mobile_data_capable">false</bool>
+
     <!-- Whether a software navigation bar should be shown. NOTE: in the future this may be
          autodetected from the Configuration. -->
     <bool name="config_showNavigationBar">true</bool>
@@ -111,4 +117,8 @@
     -->
     <integer name="config_defaultNightMode">2</integer>
 
+    <!-- CEC Configuration -->
+    <bool name="config_cecTvSendStandbyOnSleepEnabled_default">false</bool>
+    <bool name="config_cecTvSendStandbyOnSleepDisabled_default">true</bool>
+
 </resources>

overlay/AndroidTvRpiOverlay/Android.bp

@@ -0,0 +1,10 @@
+// Copyright (C) 2021-2022 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+runtime_resource_overlay {
+    name: "AndroidTvRpiOverlay",
+    resource_dirs: ["res"],
+    sdk_version: "current",
+    vendor: true,
+}

overlay/AndroidTvRpiOverlay/AndroidManifest.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright (C) 2021-2022 KonstaKANG
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="android.rpi.tv"
+    android:versionCode="1"
+    android:versionName="1.0" >
+    <application android:hasCode="false" />
+    <overlay
+        android:targetPackage="android"
+        android:isStatic="true"
+        android:priority="0" />
+</manifest>

overlay/AndroidTvRpiOverlay/res/values/config.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2009 The Android Open Source Project
+     Copyright (C) 2021-2022 KonstaKANG
+
+     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.
+-->
+
+<resources>
+    <!-- Default screen brightness setting.
+         Must be in the range specified by minimum and maximum. -->
+    <integer name="config_screenBrightnessSettingDefault">128</integer>
+
+    <!-- Minimum screen brightness setting allowed by the power manager.
+         The user is forbidden from setting the brightness below this level. -->
+    <integer name="config_screenBrightnessSettingMinimum">20</integer>
+
+    <!-- Screen brightness used to dim the screen when the user activity
+         timeout expires.  May be less than the minimum allowed brightness setting
+         that can be set by the user. -->
+    <integer name="config_screenBrightnessDim">20</integer>
+
+    <!-- If true, then we do not ask user for permission for apps to connect to USB devices.
+         Do not set this to true for production devices. Doing so will cause you to fail CTS. -->
+    <bool name="config_disableUsbPermissionDialogs">true</bool>
+
+    <!-- Control the behavior when the user long presses the power button.
+            0 - Nothing
+            1 - Global actions menu
+            2 - Power off (with confirmation)
+            3 - Power off (without confirmation)
+            4 - Go to voice assist
+            5 - Go to assistant (Settings.Secure.ASSISTANT)
+    -->
+    <integer name="config_longPressOnPowerBehavior">1</integer>
+
+    <!-- CEC Configuration -->
+    <bool name="config_cecTvSendStandbyOnSleepEnabled_default">false</bool>
+    <bool name="config_cecTvSendStandbyOnSleepDisabled_default">true</bool>
+
+</resources>

overlay/BluetoothRpiOverlay/Android.bp

@@ -0,0 +1,10 @@
+// Copyright (C) 2021-2022 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+runtime_resource_overlay {
+    name: "BluetoothRpiOverlay",
+    resource_dirs: ["res"],
+    sdk_version: "current",
+    vendor: true,
+}

overlay/BluetoothRpiOverlay/AndroidManifest.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright (C) 2021-2022 KonstaKANG
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.bluetooth.resources.rpi"
+    android:versionCode="1"
+    android:versionName="1.0">
+    <application android:hasCode="false" />
+    <overlay
+        android:targetPackage="com.android.bluetooth"
+        android:isStatic="true"
+        android:priority="0" />
+</manifest>

overlay/BluetoothRpiOverlay/res/values/config.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2009-2012 Broadcom Corporation
+     Copyright (C) 2021-2022 KonstaKANG
+
+     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.
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!-- If true, device requests audio focus and start avrcp updates on source start or play -->
+    <bool name="a2dp_sink_automatically_request_audio_focus">true</bool>
+
+</resources>

overlay/CarServiceRpiOverlay/Android.bp

@@ -0,0 +1,10 @@
+// Copyright (C) 2021-2023 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+runtime_resource_overlay {
+    name: "CarServiceRpiOverlay",
+    resource_dirs: ["res"],
+    sdk_version: "current",
+    vendor: true,
+}

overlay/CarServiceRpiOverlay/AndroidManifest.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright (C) 2021-2023 KonstaKANG
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.car.resources.rpi"
+    android:versionCode="1"
+    android:versionName="1.0">
+    <application android:hasCode="false" />
+    <overlay
+        android:targetPackage="com.android.car.updatable"
+        android:targetName="CarServiceCustomization"
+        android:isStatic="true"
+        android:priority="0" />
+</manifest>

overlay/CarServiceRpiOverlay/res/values/config.xml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2015 The Android Open Source Project
+     Copyright (C) 2021-2023 KonstaKANG
+
+     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.
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+
+    <!--
+        Specifies configuration of displays in system telling its usage / type and assigned
+        occupant. DEFAULT_DISPLAY, if assigned here, should be always assigned to the DRIVER zone.
+
+        Some examples are:
+        <item>displayPort=0,displayType=MAIN,occupantZoneId=0,inputTypes=DPAD_KEYS|
+            NAVIGATE_KEYS|ROTARY_NAVIGATION</item>
+        <item>displayPort=1,displayType=INSTRUMENT_CLUSTER,occupantZoneId=0,
+            inputTypes=DPAD_KEYS</item>
+        <item>displayPort=2,displayType=MAIN,occupantZoneId=1,
+            inputTypes=TOUCH_SCREEN</item>
+        <item>displayPort=3,displayType=MAIN,occupantZoneId=2,
+            inputTypes=TOUCH_SCREEN</item>
+        <item>displayUniqueId=virtual:com.example:MainD,displayType=MAIN,occupantZoneId=3,
+            inputTypes=TOUCH_SCREEN</item>
+
+        NOTE: each item should have displayPort or displayUniqueId, if it has both, displayPort
+          will be used.
+        displayPort: Unique Port id for the physical display.
+        displayUniqueId: Unique Id for the display.
+            The unique id of the virtual display will be the form of 'virtual:<PACKAGE>:<ID>'.
+        displayType: Display type for the display. Use * part from
+                       CarOccupantZoneManager.DISPLAY_TYPE_* like MAIN, INSTRUMENT_CLUSTER and
+                       etc.
+        occupantZoneId: occupantZoneId specified from config_occupant_zones.
+        inputTypes: supported input types for the corresponding display.
+
+    -->
+    <string-array translatable="false" name="config_occupant_display_mapping">
+        <item>displayPort=0,displayType=MAIN,occupantZoneId=0,inputTypes=TOUCH_SCREEN|DPAD_KEYS|NAVIGATE_KEYS|ROTARY_NAVIGATION</item>
+        <item>displayPort=1,displayType=INSTRUMENT_CLUSTER,occupantZoneId=0,inputTypes=DPAD_KEYS</item>
+    </string-array>
+
+    <!-- Specifies notice UI that will be launched when user starts a car or do user
+         switching. It is recommended to use dialog with at least TYPE_APPLICATION_OVERLAY window
+         type to show the UI regardless of activity launches. Target package will be auto-granted
+         necessary permission for TYPE_APPLICATION_OVERLAY window type. The UI package should
+         resolve permission by itself to use any higher priority window type.
+         Setting this string to empty will disable the feature. -->
+    <string name="config_userNoticeUiService" translatable="false"></string>
+
+    <!-- A name of a camera device that provides the rearview through EVS service -->
+    <string name="config_evsRearviewCameraId" translatable="false">/dev/video0</string>
+
+    <!-- The camera Activity name for EVS, if defined, the Activity will be launched by
+         CarEvsService. -->
+    <string name="config_evsCameraActivity" translatable="false">
+        com.google.android.car.evs/com.google.android.car.evs.CarEvsCameraPreviewActivity
+    </string>
+
+</resources>

overlay/SettingsProviderRpiOverlay/Android.bp

@@ -6,5 +6,5 @@ runtime_resource_overlay {
     name: "SettingsProviderRpiOverlay",
     resource_dirs: ["res"],
     sdk_version: "current",
-    proprietary: true
+    vendor: true,
 }

overlay/SettingsProviderRpiOverlay/res/values/defaults.xml

@@ -18,6 +18,9 @@
 
 <resources>
 
+    <!-- Default for Settings.Global.DEVICE_NAME $1=MODEL -->
+    <string name="def_device_name_simple">Raspberry Pi 4</string>
+
     <!-- Default screen brightness -->
     <integer name="def_screen_brightness">128</integer>
 

overlay/SettingsProviderTvRpiOverlay/Android.bp

@@ -0,0 +1,10 @@
+// Copyright (C) 2021-2022 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
+
+runtime_resource_overlay {
+    name: "SettingsProviderTvRpiOverlay",
+    resource_dirs: ["res"],
+    sdk_version: "current",
+    vendor: true,
+}

overlay/SettingsProviderTvRpiOverlay/AndroidManifest.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright (C) 2021-2022 KonstaKANG
+**
+** SPDX-License-Identifier: Apache-2.0
+*/
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.providers.settings.rpi.tv"
+    android:versionCode="1"
+    android:versionName="1.0" >
+    <application android:hasCode="false" />
+    <overlay
+        android:targetPackage="com.android.providers.settings"
+        android:isStatic="true"
+        android:priority="0" />
+</manifest>

overlay/SettingsProviderTvRpiOverlay/res/values/defaults.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2009 The Android Open Source Project
+     Copyright (C) 2021-2022 KonstaKANG
+
+     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.
+-->
+
+<resources>
+
+    <!-- Default for Settings.Global.DEVICE_NAME $1=MODEL -->
+    <string name="def_device_name_simple">Raspberry Pi 4</string>
+
+    <!-- Default screen brightness -->
+    <integer name="def_screen_brightness">128</integer>
+
+    <!-- Disable location by default -->
+    <integer name="def_location_mode">0</integer>
+
+    <!-- No setup wizard -->
+    <bool name="def_device_provisioned">true</bool>
+    <bool name="def_user_setup_complete">true</bool>
+
+</resources>

overlay/SettingsRpiOverlay/Android.bp

@@ -6,5 +6,5 @@ runtime_resource_overlay {
     name: "SettingsRpiOverlay",
     resource_dirs: ["res"],
     sdk_version: "current",
-    proprietary: true
+    vendor: true,
 }

overlay/SettingsRpiOverlay/res/values/config.xml

@@ -24,7 +24,16 @@
     <!-- Whether charging_sounds should be shown or not. -->
     <bool name="config_show_charging_sounds">false</bool>
 
+    <!-- Whether data_saver should be shown or not. -->
+    <bool name="config_show_data_saver">false</bool>
+
+    <!-- Whether battery from app_info_settings is available or not. -->
+    <bool name="config_show_app_info_settings_battery">false</bool>
+
     <!-- Whether top_level_battery should be shown or not. -->
     <bool name="config_show_top_level_battery">false</bool>
 
+    <!-- Whether sim related information is visible to the end user. -->
+    <bool name="config_show_sim_info">false</bool>
+
 </resources>

overlay/SystemUIRpiOverlay/Android.bp

@@ -6,5 +6,5 @@ runtime_resource_overlay {
     name: "SystemUIRpiOverlay",
     resource_dirs: ["res"],
     sdk_version: "current",
-    proprietary: true
+    vendor: true,
 }

overlay/SystemUIRpiOverlay/res/values/config.xml

@@ -20,7 +20,7 @@
 
     <!-- The default tiles to display in QuickSettings -->
     <string name="quick_settings_tiles_default" translatable="false">
-        internet,bt,airplane,hotspot,dark,screenrecord
+        internet,bt,airplane,hotspot,dark,screenrecord,custom(com.android.permissioncontroller/.permission.service.v33.SafetyCenterQsTileService)
     </string>
 
 </resources>