104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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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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#pragma once
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#include <android-base/file.h>
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#include <android/hardware/usb/1.2/IUsbCallback.h>
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#include <android/hardware/usb/1.2/types.h>
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#include <android/hardware/usb/1.3/IUsb.h>
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#include <pixelusb/UsbGadgetCommon.h>
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#include <hidl/Status.h>
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#include <utils/Log.h>
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#define UEVENT_MSG_LEN 2048
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// The type-c stack waits for 4.5 - 5.5 secs before declaring a port non-pd.
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// The -partner directory would not be created until this is done.
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// Having a margin of ~3 secs for the directory and other related bookeeping
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// structures created and uvent fired.
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#define PORT_TYPE_TIMEOUT 8
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namespace android {
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namespace hardware {
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namespace usb {
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namespace V1_3 {
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namespace implementation {
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using ::android::sp;
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using ::android::base::WriteStringToFile;
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_memory;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::usb::V1_0::PortDataRole;
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using ::android::hardware::usb::V1_0::PortPowerRole;
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using ::android::hardware::usb::V1_0::PortRole;
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using ::android::hardware::usb::V1_0::PortRoleType;
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using ::android::hardware::usb::V1_0::Status;
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using ::android::hardware::usb::V1_1::PortMode_1_1;
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using ::android::hardware::usb::V1_1::PortStatus_1_1;
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using ::android::hardware::usb::V1_2::PortStatus;
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using ::android::hardware::usb::V1_2::IUsbCallback;
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using ::android::hardware::usb::V1_3::IUsb;
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using ::android::hidl::base::V1_0::DebugInfo;
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using ::android::hidl::base::V1_0::IBase;
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enum class HALVersion{
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V1_0,
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V1_1,
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V1_2,
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V1_3
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};
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constexpr char kGadgetName[] = "a600000.dwc3";
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#define SOC_PATH "/sys/devices/platform/soc/a600000.ssusb/"
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#define ID_PATH SOC_PATH "id"
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#define VBUS_PATH SOC_PATH "b_sess"
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#define USB_DATA_PATH SOC_PATH "usb_data_enabled"
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struct Usb : public IUsb {
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Usb();
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Return<void> switchRole(const hidl_string &portName, const V1_0::PortRole &role) override;
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Return<void> setCallback(const sp<V1_0::IUsbCallback> &callback) override;
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Return<void> queryPortStatus() override;
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Return<void> enableContaminantPresenceDetection(const hidl_string& portName, bool enable);
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Return<void> enableContaminantPresenceProtection(const hidl_string& portName, bool enable);
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Return<bool> enableUsbDataSignal(bool enable) override;
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sp<V1_0::IUsbCallback> mCallback_1_0;
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// Protects mCallback variable
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pthread_mutex_t mLock;
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// Protects roleSwitch operation
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pthread_mutex_t mRoleSwitchLock;
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// Threads waiting for the partner to come back wait here
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pthread_cond_t mPartnerCV;
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// lock protecting mPartnerCV
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pthread_mutex_t mPartnerLock;
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// Variable to signal partner coming back online after type switch
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bool mPartnerUp;
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private:
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pthread_t mPoll;
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};
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} // namespace implementation
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} // namespace V1_3
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} // namespace usb
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} // namespace hardware
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} // namespace android
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