检查 USB C 3.1 Gen 2 端口支持的模式

检查 USB C 3.1 Gen 2 端口支持的模式

我正在尝试找出我的 USB C 端口支持哪些模式。制造商没有提供太多帮助,所以我尝试通过系统实用程序找到它。我现在发现的是,该芯片由 ASMedia 制造,类型为 ASM1142。据 ASMedia 称,该芯片支持 USB-C 和 Thunderbolt 上的 DP。有没有办法找出支持哪些模式?

有关更多信息,请参见以下输出sudo lspci -vv

01:00.0 USB controller: ASMedia Technology Inc. ASM1142 USB 3.1 Host Controller (prog-if 30 [XHCI])
    Subsystem: CLEVO/KAPOK Computer ASM1142 USB 3.1 Host Controller
    Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
    Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
    Latency: 0, Cache Line Size: 64 bytes
    Interrupt: pin A routed to IRQ 16
    Region 0: Memory at df300000 (64-bit, non-prefetchable) [size=32K]
    Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
        Address: 0000000000000000  Data: 0000
    Capabilities: [68] MSI-X: Enable+ Count=8 Masked-
        Vector table: BAR=0 offset=00002000
        PBA: BAR=0 offset=00002080
    Capabilities: [78] Power Management version 3
        Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
        Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
    Capabilities: [80] Express (v2) Endpoint, MSI 00
        DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <64ns, L1 <2us
            ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 25.000W
        DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
            RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+
            MaxPayload 256 bytes, MaxReadReq 512 bytes
        DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
        LnkCap: Port #1, Speed 5GT/s, Width x2, ASPM L0s L1, Exit Latency L0s <2us, L1 unlimited
            ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
        LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
            ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
        LnkSta: Speed 5GT/s, Width x2, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
        DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR+, OBFF Not Supported
        DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled
        LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis-
             Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
             Compliance De-emphasis: -6dB
        LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
             EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
    Capabilities: [100 v1] Virtual Channel
        Caps:   LPEVC=0 RefClk=100ns PATEntryBits=1
        Arb:    Fixed- WRR32- WRR64- WRR128-
        Ctrl:   ArbSelect=Fixed
        Status: InProgress-
        VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
            Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
            Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
            Status: NegoPending- InProgress-
    Capabilities: [200 v1] Advanced Error Reporting
        UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
        UESvrt: DLP+ SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP+ ECRC- UnsupReq- ACSViol-
        CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
        CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
        AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn-
    Capabilities: [280 v1] #19
    Capabilities: [300 v1] Latency Tolerance Reporting
        Max snoop latency: 3145728ns
        Max no snoop latency: 3145728ns
    Kernel driver in use: xhci_hcd

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