* Audio - Based on AOSP hikey audio HAL: https://android.googlesource.com/device/linaro/hikey/+/refs/heads/master/audio/ - ALSA based on Android-x86 - ALSA loop is used to support HDMI audio on Pi 4 because VC4 HDMI audio devices use SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE that is not supported on Android https://github.com/raspberrypi/linux/issues/4651 https://github.com/raspberrypi/linux/issues/4654 * Bluetooth - AOSP Broadcom vendor stack with some additional fixes from android-rpi * Camera - libcamera for official Raspberry Pi CSI camera modules based on GloDroid - AOSP external camera HAL for UVC USB webcams: https://source.android.com/docs/core/camera/external-usb-cameras * Graphics - OpenGL & Vulkan: upstream Mesa with GloDroid patches - Upstream drm_hwcomposer with force resolution patch from Android-x86 and my additional fixes - minigbm based on GloDroid * Health - Based on AOSP cuttlefish health HAL * Kernel - Merge of Raspberry Pi and AOSP common kernel with my additional fixes and configurations https://github.com/raspberrypi/linux https://android.googlesource.com/kernel/common/ * Lights - Based on LineageOS Xiaomi msm8996-common lights HAL * suspend_blocker - Based on AOSP cuttlefish * v4l2_codec2 - Based on AOSP with my Raspberry Pi 4 specific fixes * Wifi - AOSP Broadcom vendor stack with my additional fixes
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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* Copyright (C) 2018 The LineageOS Project
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* Copyright (C) 2021-2022 KonstaKANG
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "android.hardware.light@2.0-service.rpi"
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#include <android-base/logging.h>
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#include <hidl/HidlTransportSupport.h>
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#include <utils/Errors.h>
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#include "Light.h"
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// libhwbinder:
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using android::hardware::configureRpcThreadpool;
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using android::hardware::joinRpcThreadpool;
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// Generated HIDL files
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using android::hardware::light::V2_0::ILight;
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using android::hardware::light::V2_0::implementation::Light;
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const static std::string kLcdBacklightPath = "/sys/class/backlight/rpi_backlight/brightness";
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int main() {
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uint32_t lcdMaxBrightness = 255;
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std::ofstream lcdBacklight(kLcdBacklightPath);
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if (!lcdBacklight) {
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LOG(ERROR) << "Failed to open " << kLcdBacklightPath << ", error=" << errno
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<< " (" << strerror(errno) << ")";
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//return -errno;
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}
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android::sp<ILight> service = new Light(
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{std::move(lcdBacklight), lcdMaxBrightness});
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configureRpcThreadpool(1, true);
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android::status_t status = service->registerAsService();
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if (status != android::OK) {
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LOG(ERROR) << "Cannot register Light HAL service";
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//return 1;
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}
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LOG(INFO) << "Light HAL Ready.";
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joinRpcThreadpool();
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// Under normal cases, execution will not reach this line.
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LOG(ERROR) << "Light HAL failed to join thread pool.";
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return 1;
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}
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