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/*++
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
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