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[lineage-18.0]: Add basic USB HAL that reports no status change. 

Change-Id: I38bfe869f9b1b66db0e13249f65e438878d06eff
This commit is contained in:
Ethan Chen 2017-09-16 22:14:36 -07:00 committed by Alexander Koskovich
parent 1b26a7f06b
commit ad1ad86f42
5 changed files with 226 additions and 0 deletions
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29
interfaces/usb/1.0/default/Android.bp Normal file
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// Copyright (C) 2020 The LineageOS 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.
cc_binary {
name: "android.hardware.usb@1.0-service.basic",
relative_install_path: "hw",
init_rc: ["android.hardware.usb@1.0-service.basic.rc"],
srcs: ["service.cpp", "Usb.cpp"],
shared_libs: [
"libbase",
"libcutils",
"libhidlbase",
"libutils",
"libhardware",
"android.hardware.usb@1.0",
],
vendor: true,
}

81
interfaces/usb/1.0/default/Usb.cpp Normal file
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/*
* Copyright (C) 2020 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <pthread.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <android-base/logging.h>
#include <utils/Errors.h>
#include <utils/StrongPointer.h>
#include "Usb.h"
namespace android {
namespace hardware {
namespace usb {
namespace V1_0 {
namespace implementation {
Return<void> Usb::switchRole(const hidl_string &portName __unused,
const PortRole &newRole __unused) {
LOG(ERROR) << __func__ << ": Not supported";
return Void();
}
Return<void> Usb::queryPortStatus() {
hidl_vec<PortStatus> currentPortStatus;
currentPortStatus.resize(1);
currentPortStatus[0].portName = "otg_default";
currentPortStatus[0].currentDataRole = PortDataRole::DEVICE;
currentPortStatus[0].currentPowerRole = PortPowerRole::SINK;
currentPortStatus[0].currentMode = PortMode::UFP;
currentPortStatus[0].canChangeMode = false;
currentPortStatus[0].canChangeDataRole = false;
currentPortStatus[0].canChangePowerRole = false;
currentPortStatus[0].supportedModes = PortMode::UFP;
pthread_mutex_lock(&mLock);
if (mCallback != NULL) {
Return<void> ret =
mCallback->notifyPortStatusChange(currentPortStatus, Status::SUCCESS);
if (!ret.isOk()) {
LOG(ERROR) << "queryPortStatus error " << ret.description();
}
} else {
LOG(INFO) << "Notifying userspace skipped. Callback is NULL";
}
pthread_mutex_unlock(&mLock);
return Void();
}
Return<void> Usb::setCallback(const sp<IUsbCallback> &callback) {
pthread_mutex_lock(&mLock);
mCallback = callback;
LOG(INFO) << "registering callback";
pthread_mutex_unlock(&mLock);
return Void();
}
} // namespace implementation
} // namespace V1_0
} // namespace usb
} // namespace hardware
} // namespace android

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interfaces/usb/1.0/default/Usb.h Normal file
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/*
* Copyright (C) 2020 The LineageOS 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.
*/
#ifndef ANDROID_HARDWARE_USB_V1_0_USB_H
#define ANDROID_HARDWARE_USB_V1_0_USB_H
#include <android/hardware/usb/1.0/IUsb.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <utils/Log.h>
#ifdef LOG_TAG
#undef LOG_TAG
#endif
#define LOG_TAG "android.hardware.usb@1.0-service-basic"
#define UEVENT_MSG_LEN 2048
namespace android {
namespace hardware {
namespace usb {
namespace V1_0 {
namespace implementation {
using ::android::hardware::usb::V1_0::IUsb;
using ::android::hardware::usb::V1_0::IUsbCallback;
using ::android::hardware::usb::V1_0::PortRole;
using ::android::hidl::base::V1_0::IBase;
using ::android::hardware::hidl_array;
using ::android::hardware::hidl_memory;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::sp;
struct Usb : public IUsb {
Return<void> switchRole(const hidl_string& portName, const PortRole& role) override;
Return<void> setCallback(const sp<IUsbCallback>& callback) override;
Return<void> queryPortStatus() override;
sp<IUsbCallback> mCallback;
pthread_mutex_t mLock = PTHREAD_MUTEX_INITIALIZER;
};
} // namespace implementation
} // namespace V1_0
} // namespace usb
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_USB_V1_0_USB_H

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interfaces/usb/1.0/default/android.hardware.usb@1.0-service.basic.rc Normal file
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service vendor.usb-hal-1-0 /vendor/bin/hw/android.hardware.usb@1.0-service.basic
class hal
user system
group system

47
interfaces/usb/1.0/default/service.cpp Normal file
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/*
* Copyright (C) 2020 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <android-base/logging.h>
#include <hidl/HidlTransportSupport.h>
#include "Usb.h"
using android::sp;
// libhwbinder:
using android::hardware::configureRpcThreadpool;
using android::hardware::joinRpcThreadpool;
// Generated HIDL files
using android::hardware::usb::V1_0::IUsb;
using android::hardware::usb::V1_0::implementation::Usb;
int main() {
android::sp<IUsb> service = new Usb();
configureRpcThreadpool(1, true /*callerWillJoin*/);
android::status_t status = service->registerAsService();
if (status != android::OK) {
LOG(ERROR) << "Cannot register USB HAL service";
return 1;
}
LOG(INFO) << "USB HAL Ready.";
joinRpcThreadpool();
// Under normal cases, execution will not reach this line.
LOG(ERROR) << "USB HAL failed to join thread pool.";
return 1;
}