| /* |
| * 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. |
| */ |
| #pragma once |
| |
| #include <android-base/file.h> |
| #include <android/hardware/usb/1.2/IUsb.h> |
| #include <android/hardware/usb/1.2/IUsbCallback.h> |
| #include <android/hardware/usb/1.2/types.h> |
| #include <android/hardware/usb/1.3/IUsb.h> |
| #include <hidl/Status.h> |
| #include <pixelusb/UsbGadgetCommon.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::sp; |
| using ::android::base::WriteStringToFile; |
| 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::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_1::PortMode_1_1; |
| using ::android::hardware::usb::V1_1::PortStatus_1_1; |
| using ::android::hardware::usb::V1_2::IUsbCallback; |
| using ::android::hardware::usb::V1_2::PortStatus; |
| using ::android::hardware::usb::V1_3::IUsb; |
| using ::android::hidl::base::V1_0::DebugInfo; |
| using ::android::hidl::base::V1_0::IBase; |
| |
| enum class HALVersion{ |
| V1_0, |
| V1_1, |
| V1_2, |
| V1_3 |
| }; |
| |
| constexpr char kGadgetName[] = "a600000.dwc3"; |
| #define SOC_PATH "/sys/devices/platform/soc/a600000.ssusb/" |
| #define ID_PATH SOC_PATH "id" |
| #define VBUS_PATH SOC_PATH "b_sess" |
| #define USB_DATA_PATH SOC_PATH "usb_data_enabled" |
| |
| struct Usb : public IUsb { |
| Usb(); |
| |
| Return<void> switchRole(const hidl_string &portName, const V1_0::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; |
| |
| private: |
| pthread_t mPoll; |
| }; |
| |
| } // namespace implementation |
| } // namespace V1_3 |
| } // namespace usb |
| } // namespace hardware |
| } // namespace android |