You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
3.2 KiB
88 lines
3.2 KiB
2 years ago
|
/*
|
||
|
|
* Copyright (C) 2021 The Android Open Source Project
|
||
|
|
* Copyright (C) 2022 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <android-base/file.h>
|
||
|
|
#include <aidl/android/hardware/usb/BnUsb.h>
|
||
|
|
#include <aidl/android/hardware/usb/BnUsbCallback.h>
|
||
|
|
#include <utils/Log.h>
|
||
|
|
|
||
|
|
#define UEVENT_MSG_LEN 2048
|
||
|
|
#define UEVENT_MAX_EVENTS 64
|
||
|
|
// The type-c stack waits for 4.5 - 5.5 secs before declaring a port non-pd.
|
||
|
|
// The -partner directory would not be created until this is done.
|
||
|
|
// Having a margin of ~3 secs for the directory and other related bookeeping
|
||
|
|
// structures created and uvent fired.
|
||
|
|
#define PORT_TYPE_TIMEOUT 8
|
||
|
|
#define USB_DATA_PATH "/sys/devices/virtual/usb_notify/usb_control/usb_data_enabled"
|
||
|
|
#define CONTAMINANT_DETECTION_PATH "/sys/devices/virtual/sec/ccic/water"
|
||
|
|
#define DISABLE_CONTAMINANT_DETECTION "vendor.usb.contaminantdisable"
|
||
|
|
|
||
|
|
namespace aidl {
|
||
|
|
namespace android {
|
||
|
|
namespace hardware {
|
||
|
|
namespace usb {
|
||
|
|
|
||
|
|
using ::aidl::android::hardware::usb::IUsbCallback;
|
||
|
|
using ::aidl::android::hardware::usb::PortRole;
|
||
|
|
using ::android::base::ReadFileToString;
|
||
|
|
using ::android::base::WriteStringToFile;
|
||
|
|
using ::android::sp;
|
||
|
|
using ::ndk::ScopedAStatus;
|
||
|
|
using ::std::shared_ptr;
|
||
|
|
using ::std::string;
|
||
|
|
|
||
|
|
struct Usb : public BnUsb {
|
||
|
|
Usb();
|
||
|
|
|
||
|
|
ScopedAStatus enableContaminantPresenceDetection(const std::string& in_portName,
|
||
|
|
bool in_enable, int64_t in_transactionId) override;
|
||
|
|
ScopedAStatus queryPortStatus(int64_t in_transactionId) override;
|
||
|
|
ScopedAStatus setCallback(const shared_ptr<IUsbCallback>& in_callback) override;
|
||
|
|
ScopedAStatus switchRole(const string& in_portName, const PortRole& in_role,
|
||
|
|
int64_t in_transactionId) override;
|
||
|
|
ScopedAStatus enableUsbData(const string& in_portName, bool in_enable,
|
||
|
|
int64_t in_transactionId) override;
|
||
|
|
ScopedAStatus enableUsbDataWhileDocked(const string& in_portName,
|
||
|
|
int64_t in_transactionId) override;
|
||
|
|
ScopedAStatus limitPowerTransfer(const std::string& in_portName, bool in_limit,
|
||
|
|
int64_t in_transactionId)override;
|
||
|
|
ScopedAStatus resetUsbPort(const std::string& in_portName,
|
||
|
|
int64_t in_transactionId)override;
|
||
|
|
|
||
|
|
shared_ptr<IUsbCallback> mCallback;
|
||
|
|
// Protects mCallback variable
|
||
|
|
pthread_mutex_t mLock;
|
||
|
|
// Protects roleSwitch operation
|
||
|
|
pthread_mutex_t mRoleSwitchLock;
|
||
|
|
// Threads waiting for the partner to come back wait here
|
||
|
|
pthread_cond_t mPartnerCV;
|
||
|
|
// lock protecting mPartnerCV
|
||
|
|
pthread_mutex_t mPartnerLock;
|
||
|
|
// Variable to signal partner coming back online after type switch
|
||
|
|
bool mPartnerUp;
|
||
|
|
bool mMoistureDetectionEnabled;
|
||
|
|
private:
|
||
|
|
pthread_t mPoll;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace usb
|
||
|
|
} // namespace hardware
|
||
|
|
} // namespace android
|
||
|
|
} // aidl
|