aosp12/device/google/gs101/usb/Usb.h

118 lines
4.1 KiB
C++

/*
* Copyright (C) 2020 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.
*/
#pragma once
#include <android-base/file.h>
#include <android/hardware/usb/1.3/IUsb.h>
#include <android/hardware/usb/1.2/types.h>
#include <android/hardware/usb/1.2/IUsbCallback.h>
#include <hidl/Status.h>
#include <pixelusb/UsbOverheatEvent.h>
#include <utils/Log.h>
#define UEVENT_MSG_LEN 2048
// 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
namespace android {
namespace hardware {
namespace usb {
namespace V1_3 {
namespace implementation {
using ::android::base::WriteStringToFile;
using ::android::base::ReadFileToString;
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::hardware::google::pixel::usb::UsbOverheatEvent;
using ::android::hardware::google::pixel::usb::ZoneInfo;
using ::android::hardware::thermal::V2_0::TemperatureType;
using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
using ::android::hardware::usb::V1_0::PortRole;
using ::android::hardware::usb::V1_0::PortRoleType;
using ::android::hardware::usb::V1_0::PortDataRole;
using ::android::hardware::usb::V1_0::PortPowerRole;
using ::android::hardware::usb::V1_0::PortRole;
using ::android::hardware::usb::V1_0::PortRoleType;
using ::android::hardware::usb::V1_0::Status;
using ::android::hardware::usb::V1_3::IUsb;
using ::android::hardware::usb::V1_2::IUsbCallback;
using ::android::hardware::usb::V1_2::PortStatus;
using ::android::hardware::usb::V1_1::PortMode_1_1;
using ::android::hardware::usb::V1_1::PortStatus_1_1;
using ::android::hidl::base::V1_0::DebugInfo;
using ::android::hidl::base::V1_0::IBase;
using ::android::sp;
enum class HALVersion{
V1_0,
V1_1,
V1_2,
V1_3
};
constexpr char kGadgetName[] = "11110000.dwc3";
#define NEW_UDC_PATH "/sys/devices/platform/11110000.usb/"
#define ID_PATH NEW_UDC_PATH "dwc3_exynos_otg_id"
#define VBUS_PATH NEW_UDC_PATH "dwc3_exynos_otg_b_sess"
#define USB_DATA_PATH NEW_UDC_PATH "usb_data_enabled"
struct Usb : public IUsb {
Usb();
Return<void> switchRole(const hidl_string &portName, const PortRole &role) override;
Return<void> setCallback(const sp<V1_0::IUsbCallback>& callback) override;
Return<void> queryPortStatus() override;
Return<void> enableContaminantPresenceDetection(const hidl_string &portName, bool enable);
Return<void> enableContaminantPresenceProtection(const hidl_string &portName, bool enable);
Return<bool> enableUsbDataSignal(bool enable) override;
sp<V1_0::IUsbCallback> mCallback_1_0;
// 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;
// Usb Overheat object for push suez event
UsbOverheatEvent mOverheat;
// Temperature when connected
float mPluggedTemperatureCelsius;
private:
pthread_t mPoll;
};
} // namespace implementation
} // namespace V1_3
} // namespace usb
} // namespace hardware
} // namespace android