diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c')
-rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c index bd308613f6..dc62c1f6c4 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c @@ -1,7 +1,7 @@ /** @file
The XHCI controller driver.
-Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -968,6 +968,10 @@ XhcControlTransfer ( ASSERT (Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations);
Xhc->UsbDevContext[SlotId].ConfDesc[Index] = AllocateZeroPool(*DataLength);
CopyMem (Xhc->UsbDevContext[SlotId].ConfDesc[Index], Data, *DataLength);
+ //
+ // Default to use AlternateSetting 0 for all interfaces.
+ //
+ Xhc->UsbDevContext[SlotId].ActiveAlternateSetting = AllocateZeroPool (Xhc->UsbDevContext[SlotId].ConfDesc[Index]->NumInterfaces * sizeof (UINT8));
}
} else if (((DescriptorType == USB_DESC_TYPE_HUB) ||
(DescriptorType == USB_DESC_TYPE_HUB_SUPER_SPEED)) && (*DataLength > 2)) {
@@ -1009,6 +1013,20 @@ XhcControlTransfer ( break;
}
}
+ } else if ((Request->Request == USB_REQ_SET_INTERFACE) &&
+ (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD, USB_TARGET_INTERFACE))) {
+ //
+ // Hook Set_Interface request from UsbBus as we need configure interface setting.
+ // Request->Value indicates AlterlateSetting to set
+ // Request->Index indicates Interface to set
+ //
+ if (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[(UINT8) Request->Index] != (UINT8) Request->Value) {
+ if (Xhc->HcCParams.Data.Csz == 0) {
+ Status = XhcSetInterface (Xhc, SlotId, DeviceSpeed, Xhc->UsbDevContext[SlotId].ConfDesc[Xhc->UsbDevContext[SlotId].ActiveConfiguration - 1], Request);
+ } else {
+ Status = XhcSetInterface64 (Xhc, SlotId, DeviceSpeed, Xhc->UsbDevContext[SlotId].ConfDesc[Xhc->UsbDevContext[SlotId].ActiveConfiguration - 1], Request);
+ }
+ }
} else if ((Request->Request == USB_REQ_GET_STATUS) &&
(Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_CLASS, USB_TARGET_OTHER))) {
ASSERT (Data != NULL);
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