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mvp / uhubctl

uhubctl - USB hub per-port power control
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Supported hub: Das Keyboard 4 #522

Closed thirtythreeforty closed 1 year ago

thirtythreeforty commented 1 year ago 
Current status for hub 6-1.2 [2109:0812 VIA Labs, Inc. USB3.0 Hub, USB 3.00, 4 ports, ppps]
  Port 1: 0080 off
  Port 2: 02a0 power 5gbps Rx.Detect
  Port 3: 02a0 power 5gbps Rx.Detect
  Port 4: 02a0 power 5gbps Rx.Detect
[snip]
Current status for hub 5-1.2 [2109:2812 VIA Labs, Inc. USB2.0 Hub, USB 2.10, 4 ports, ppps]
  Port 1: 0100 power
  Port 2: 0100 power
  Port 3: 0100 power
  Port 4: 0103 power enable connect [24f0:0140 Metadot - Das Keyboard Das Keyboard]

https://www.daskeyboard.com/daskeyboard-4-professional/

Ports 1 and 2 of the hub are available externally.

Important gotcha: switching power to either unfortunately switches off both external ports. However, the keyboard itself, internally connected to one of the 2.0 hub's downstream ports, continues to work.

I can confirm that VBUS does turn off.

thirtythreeforty commented 1 year ago 
Bus 005 Device 055: ID 2109:2812 VIA Labs, Inc. VL812 Hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.10
  bDeviceClass            9 Hub
  bDeviceSubClass         0 
  bDeviceProtocol         1 Single TT
  bMaxPacketSize0        64
  idVendor           0x2109 VIA Labs, Inc.
  idProduct          0x2812 VL812 Hub
  bcdDevice           90.90
  iManufacturer           1 VIA Labs, Inc.         
  iProduct                2 USB2.0 Hub             
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0019
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0001  1x 1 bytes
        bInterval              12
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength       0x002a
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      HIRD Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           4 micro seconds
    bU2DevExitLat         231 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {6970202d-1e44-4cde-8f73-78ec5964eca7}
Hub Descriptor:
  bLength               9
  bDescriptorType      41
  nNbrPorts             4
  wHubCharacteristic 0x00e9
    Per-port power switching
    Per-port overcurrent protection
    TT think time 32 FS bits
    Port indicators
  bPwrOn2PwrGood       50 * 2 milli seconds
  bHubContrCurrent    100 milli Ampere
  DeviceRemovable    0x00
  PortPwrCtrlMask    0xff
 Hub Port Status:
   Port 1: 0000.0100 power
   Port 2: 0000.0100 power
   Port 3: 0000.0100 power
   Port 4: 0000.0103 power enable connect
Device Status:     0x0001
  Self Powered
Bus 006 Device 012: ID 2109:0812 VIA Labs, Inc. VL812 Hub
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               3.00
  bDeviceClass            9 Hub
  bDeviceSubClass         0 
  bDeviceProtocol         3 
  bMaxPacketSize0         9
  idVendor           0x2109 VIA Labs, Inc.
  idProduct          0x0812 VL812 Hub
  bcdDevice           90.91
  iManufacturer           1 VIA Labs, Inc.         
  iProduct                2 USB3.0 Hub             
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x001f
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         9 Hub
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 Full speed (or root) hub
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes           19
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Feedback
        wMaxPacketSize     0x0002  1x 2 bytes
        bInterval               8
        bMaxBurst               0
Binary Object Store Descriptor:
  bLength                 5
  bDescriptorType        15
  wTotalLength       0x002a
  bNumDeviceCaps          3
  USB 2.0 Extension Device Capability:
    bLength                 7
    bDescriptorType        16
    bDevCapabilityType      2
    bmAttributes   0x00000002
      HIRD Link Power Management (LPM) Supported
  SuperSpeed USB Device Capability:
    bLength                10
    bDescriptorType        16
    bDevCapabilityType      3
    bmAttributes         0x00
    wSpeedsSupported   0x000e
      Device can operate at Full Speed (12Mbps)
      Device can operate at High Speed (480Mbps)
      Device can operate at SuperSpeed (5Gbps)
    bFunctionalitySupport   1
      Lowest fully-functional device speed is Full Speed (12Mbps)
    bU1DevExitLat           4 micro seconds
    bU2DevExitLat         231 micro seconds
  Container ID Device Capability:
    bLength                20
    bDescriptorType        16
    bDevCapabilityType      4
    bReserved               0
    ContainerID             {6970202d-1e44-4cde-8f73-78ec5964eca7}
Hub Descriptor:
  bLength              12
  bDescriptorType      42
  nNbrPorts             4
  wHubCharacteristic 0x000d
    Per-port power switching
    Compound device
    Per-port overcurrent protection
  bPwrOn2PwrGood      100 * 2 milli seconds
  bHubContrCurrent      0 milli Ampere
  bHubDecLat          0.4 micro seconds
  wHubDelay          4004 nano seconds
  DeviceRemovable    0x00
 Hub Port Status:
   Port 1: 0000.0080 5Gbps SS.disabled
   Port 2: 0000.02a0 5Gbps power Rx.Detect
   Port 3: 0000.02a0 5Gbps power Rx.Detect
   Port 4: 0000.02a0 5Gbps power Rx.Detect
Device Status:     0x0001
  Self Powered
mvp commented 1 year ago

Thanks for your report! I will add it to the device when I return from my trip in few days

mvp commented 1 year ago

Thank you @thirtythreeforty, added it to the compatible list.