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authoreric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524>2009-12-16 00:58:46 +0000
committereric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524>2009-12-16 00:58:46 +0000
commitefe9186f09a22146361c01d3121c72b1a591f50a (patch)
treee4e6d61899f435396da59b861107eec75e5ad848 /MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h
parent7748eb28e121e7193205eb646909b80b1438f5d7 (diff)
downloadedk2-platforms-efe9186f09a22146361c01d3121c72b1a591f50a.tar.xz
add error handling on usb related modules.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9566 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h')
-rw-r--r--MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h b/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h
index 15fd661e3d..a995dc40c2 100644
--- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.h
@@ -160,6 +160,35 @@ EhcWriteOpReg (
IN UINT32 Data
);
+/**
+ Set one bit of the operational register while keeping other bits.
+
+ @param Ehc The EHCI device.
+ @param Offset The offset of the operational register.
+ @param Bit The bit mask of the register to set.
+
+**/
+VOID
+EhcSetOpRegBit (
+ IN USB2_HC_DEV *Ehc,
+ IN UINT32 Offset,
+ IN UINT32 Bit
+ );
+
+/**
+ Clear one bit of the operational register while keeping other bits.
+
+ @param Ehc The EHCI device.
+ @param Offset The offset of the operational register.
+ @param Bit The bit mask of the register to clear.
+
+**/
+VOID
+EhcClearOpRegBit (
+ IN USB2_HC_DEV *Ehc,
+ IN UINT32 Offset,
+ IN UINT32 Bit
+ );
/**
Add support for UEFI Over Legacy (UoL) feature, stop