1 #pragma once 2 3 #include <android-base/file.h> 4 #include <android/hardware/usb/1.2/IUsbCallback.h> 5 #include <android/hardware/usb/1.2/types.h> 6 #include <android/hardware/usb/1.3/IUsb.h> 7 #include <hidl/Status.h> 8 #include <utils/Log.h> 9 10 #define UEVENT_MSG_LEN 2048 11 // The type-c stack waits for 4.5 - 5.5 secs before declaring a port non-pd. 12 // The -partner directory would not be created until this is done. 13 // Having a margin of ~3 secs for the directory and other related bookeeping 14 // structures created and uvent fired. 15 #define PORT_TYPE_TIMEOUT 8 16 17 namespace android { 18 namespace hardware { 19 namespace usb { 20 namespace V1_3 { 21 namespace implementation { 22 23 using ::android::sp; 24 using ::android::base::WriteStringToFile; 25 using ::android::hardware::hidl_array; 26 using ::android::hardware::hidl_memory; 27 using ::android::hardware::hidl_string; 28 using ::android::hardware::hidl_vec; 29 using ::android::hardware::Return; 30 using ::android::hardware::Void; 31 using ::android::hardware::usb::V1_0::PortDataRole; 32 using ::android::hardware::usb::V1_0::PortPowerRole; 33 using ::android::hardware::usb::V1_0::PortRole; 34 using ::android::hardware::usb::V1_0::PortRoleType; 35 using ::android::hardware::usb::V1_0::Status; 36 using ::android::hardware::usb::V1_1::PortMode_1_1; 37 using ::android::hardware::usb::V1_1::PortStatus_1_1; 38 using ::android::hardware::usb::V1_2::IUsbCallback; 39 using ::android::hardware::usb::V1_2::PortStatus; 40 using ::android::hardware::usb::V1_3::IUsb; 41 using ::android::hidl::base::V1_0::DebugInfo; 42 using ::android::hidl::base::V1_0::IBase; 43 44 #define PULLUP_PATH "/config/usb_gadget/g1/UDC" 45 constexpr char kGadgetName[] = "a600000.dwc3"; 46 #define SOC_PATH "/sys/devices/platform/soc/a600000.ssusb/" 47 #define ID_PATH SOC_PATH "id" 48 #define VBUS_PATH SOC_PATH "b_sess" 49 #define USB_DATA_PATH SOC_PATH "usb_data_enabled" 50 51 enum class HALVersion { V1_0, V1_1, V1_2, V1_3 }; 52 53 struct Usb : public IUsb { 54 Usb(); 55 56 Return<void> switchRole(const hidl_string &portName, const PortRole &role) override; 57 Return<void> setCallback(const sp<V1_0::IUsbCallback>& callback) override; 58 Return<void> queryPortStatus() override; 59 Return<void> enableContaminantPresenceDetection(const hidl_string &portName, bool enable); 60 Return<void> enableContaminantPresenceProtection(const hidl_string &portName, bool enable); 61 Return<bool> enableUsbDataSignal(bool enable) override; 62 63 sp<V1_0::IUsbCallback> mCallback_1_0; 64 // Protects mCallback variable 65 pthread_mutex_t mLock; 66 // Protects roleSwitch operation 67 pthread_mutex_t mRoleSwitchLock; 68 // Threads waiting for the partner to come back wait here 69 pthread_cond_t mPartnerCV; 70 // lock protecting mPartnerCV 71 pthread_mutex_t mPartnerLock; 72 // Variable to signal partner coming back online after type switch 73 bool mPartnerUp; 74 75 private: 76 pthread_t mPoll; 77 }; 78 79 } // namespace implementation 80 } // namespace V1_3 81 } // namespace usb 82 } // namespace hardware 83 } // namespace android 84