sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MdeModulePkg XhciDxe: XHCI multiple interface alternate setting support.

Browse Source 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15617 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng
2014-07-04 03:30:46 +00:00
committed by lzeng14
parent 8acb3f7b54
commit e1f2dfec34
4 changed files with 841 additions and 249 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
View File

@@ -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);