1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_HDI_USB_V1_1_USBD_PORT_H 17 #define OHOS_HDI_USB_V1_1_USBD_PORT_H 18 19 #include <fcntl.h> 20 #include <sys/types.h> 21 #include <unistd.h> 22 23 #include "usbd.h" 24 #include "v1_0/iusbd_subscriber.h" 25 #include "v1_0/usb_types.h" 26 27 #define DEFAULT_PORT_ID 1 28 29 #define PORT_MODE_HOST_STR "host" 30 #define PORT_MODE_DEVICE_STR "device" 31 32 #define POWER_ROLE_NONE 0 33 #define POWER_ROLE_SOURCE 1 34 #define POWER_ROLE_SINK 2 35 #define POWER_ROLE_MAX 3 36 37 #define DATA_ROLE_NONE 0 38 #define DATA_ROLE_HOST 1 39 #define DATA_ROLE_DEVICE 2 40 #define DATA_ROLE_MAX 3 41 42 #define PORT_MODE_NONE 0 43 #define PORT_MODE_DEVICE 1 44 #define PORT_MODE_HOST 2 45 46 using OHOS::HDI::Usb::V1_1::PortInfo; 47 48 using OHOS::HDI::Usb::V1_1::IUsbdSubscriber; 49 50 namespace OHOS { 51 namespace HDI { 52 namespace Usb { 53 namespace V1_1 { 54 class UsbdPort { 55 public: 56 static UsbdPort &GetInstance(); 57 int32_t SetPort(int32_t portId, int32_t powerRole, int32_t dataRole, 58 UsbdSubscriber *usbdSubscribers, uint32_t len); 59 int32_t QueryPort(int32_t &portId, int32_t &powerRole, int32_t &dataRole, int32_t &mode); 60 int32_t UpdatePort(int32_t mode, const sptr<HDI::Usb::V1_1::IUsbdSubscriber> &subscriber); 61 void setPortPath(const std::string &path); 62 63 private: 64 UsbdPort() = default; 65 ~UsbdPort() = default; 66 UsbdPort(const UsbdPort &) = delete; 67 UsbdPort(UsbdPort &&) = delete; 68 UsbdPort &operator=(const UsbdPort &) = delete; 69 UsbdPort &operator=(UsbdPort &&) = delete; 70 71 int32_t IfCanSwitch(int32_t portId, int32_t powerRole, int32_t dataRole); 72 int32_t OpenPortFile(int32_t flags); 73 int32_t WritePortFile(int32_t powerRole, int32_t dataRole, int32_t mode); 74 int32_t ReadPortFile(int32_t &powerRole, int32_t &dataRole, int32_t &mode); 75 int32_t SetPortInit(int32_t portId, int32_t powerRole, int32_t dataRole); 76 HDI::Usb::V1_1::PortInfo currentPortInfo_ = {DEFAULT_PORT_ID, POWER_ROLE_SINK, DATA_ROLE_DEVICE, PORT_MODE_DEVICE}; 77 std::string path_; 78 }; 79 } // namespace V1_1 80 } // namespace Usb 81 } // namespace HDI 82 } // namespace OHOS 83 #endif // OHOS_HDI_USB_V1_1_USBD_PORT_H 84