Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

EdkModulePkg/Bus/Usb/UsbBus/Dxe/usbutil.h

@@ -0,0 +1,94 @@
+/*++
+ 
+Copyright (c) 2006, Intel Corporation                                                         
+All rights reserved. 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        
+http://opensource.org/licenses/bsd-license.php                                            
+                                                                                          
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+  Module Name:
+    usbutil.h
+  
+  Abstract:
+ 
+    Helper functions for USB
+ 
+  Revision History
+ 
+  
+--*/
+
+#ifndef _USB_UTIL_H
+#define _USB_UTIL_H
+
+//
+// Following APIs are used to query Port Status
+//
+BOOLEAN
+IsPortConnect (
+  IN UINT16  PortStatus
+  );
+
+BOOLEAN
+IsPortEnable (
+  IN UINT16  PortStatus
+  );
+
+BOOLEAN
+IsPortInReset (
+  IN UINT16  PortStatus
+  );
+
+BOOLEAN
+IsPortPowerApplied (
+  IN UINT16  PortStatus
+  );
+
+BOOLEAN
+IsPortLowSpeedDeviceAttached (
+  IN UINT16  PortStatus
+  );
+
+BOOLEAN
+IsPortSuspend (
+  IN UINT16  PortStatus
+  );
+
+//
+// Following APIs are used to query Port Change Status
+//
+BOOLEAN
+IsPortConnectChange (
+  IN UINT16  PortChangeStatus
+  );
+
+BOOLEAN
+IsPortEnableDisableChange (
+  IN UINT16  PortChangeStatus
+  );
+
+BOOLEAN
+IsPortResetChange (
+  IN UINT16  PortChangeStatus
+  );
+
+BOOLEAN
+IsPortSuspendChange (
+  IN UINT16  PortChangeStatus
+  );
+
+//
+// Set device address;
+//
+EFI_STATUS
+UsbSetDeviceAddress (
+  IN  EFI_USB_IO_PROTOCOL     *UsbIo,
+  IN  UINT16                  AddressValue,
+  OUT UINT32                  *Status
+  );
+
+
+#endif