1 #ifndef ANDROID_HARDWARE_USB_V1_1_USB_H 2 #define ANDROID_HARDWARE_USB_V1_1_USB_H 3 4 #include <android/hardware/usb/1.1/IUsb.h> 5 #include <android/hardware/usb/1.1/types.h> 6 #include <android/hardware/usb/1.1/IUsbCallback.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_1 { 21 namespace implementation { 22 23 using ::android::hardware::usb::V1_0::PortRole; 24 using ::android::hardware::usb::V1_0::PortRoleType; 25 using ::android::hardware::usb::V1_0::PortDataRole; 26 using ::android::hardware::usb::V1_0::PortPowerRole; 27 using ::android::hardware::usb::V1_0::Status; 28 using ::android::hardware::usb::V1_1::IUsb; 29 using ::android::hardware::usb::V1_1::IUsbCallback; 30 using ::android::hardware::usb::V1_1::PortMode_1_1; 31 using ::android::hardware::usb::V1_1::PortStatus_1_1; 32 using ::android::hidl::base::V1_0::DebugInfo; 33 using ::android::hidl::base::V1_0::IBase; 34 using ::android::hardware::hidl_array; 35 using ::android::hardware::hidl_memory; 36 using ::android::hardware::hidl_string; 37 using ::android::hardware::hidl_vec; 38 using ::android::hardware::Return; 39 using ::android::hardware::Void; 40 using ::android::sp; 41 42 struct Usb : public IUsb { 43 Return<void> switchRole(const hidl_string& portName, const PortRole& role) override; 44 Return<void> setCallback(const sp<V1_0::IUsbCallback>& callback) override; 45 Return<void> queryPortStatus() override; 46 47 48 sp<V1_0::IUsbCallback> mCallback_1_0; 49 // Protects mCallback variable 50 pthread_mutex_t mLock = PTHREAD_MUTEX_INITIALIZER; 51 // Protects roleSwitch operation 52 pthread_mutex_t mRoleSwitchLock = PTHREAD_MUTEX_INITIALIZER; 53 // Threads waiting for the partner to come back wait here 54 pthread_cond_t mPartnerCV = PTHREAD_COND_INITIALIZER; 55 // lock protecting mPartnerCV 56 pthread_mutex_t mPartnerLock = PTHREAD_MUTEX_INITIALIZER; 57 // Variable to signal partner coming back online after type switch 58 bool mPartnerUp; 59 60 private: 61 pthread_t mPoll; 62 }; 63 64 } // namespace implementation 65 } // namespace V1_0 66 } // namespace usb 67 } // namespace hardware 68 } // namespace android 69 70 #endif // ANDROID_HARDWARE_USB_V1_1_USB_H 71
