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/** @file
This header file includes common internal fuction prototypes.
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR>
Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _TPM2_DEVICE_LIB_DTPM_H_
#define _TPM2_DEVICE_LIB_DTPM_H_
/**
Return PTP interface type.
@param[in] Register Pointer to PTP register.
@return PTP interface type.
**/
TPM2_PTP_INTERFACE_TYPE
Tpm2GetPtpInterface (
IN VOID *Register
);
/**
Return PTP CRB interface IdleByPass state.
@param[in] Register Pointer to PTP register.
@return PTP CRB interface IdleByPass state.
**/
UINT8
Tpm2GetIdleByPass (
IN VOID *Register
);
/**
Return cached PTP interface type.
@return Cached PTP interface type.
**/
TPM2_PTP_INTERFACE_TYPE
GetCachedPtpInterface (
VOID
);
/**
Return cached PTP CRB interface IdleByPass state.
@return Cached PTP CRB interface IdleByPass state.
**/
UINT8
GetCachedIdleByPass (
VOID
);
/**
The common function cache current active TpmInterfaceType when needed.
@retval EFI_SUCCESS DTPM2.0 instance is registered, or system does not support register DTPM2.0 instance
**/
EFI_STATUS
InternalTpm2DeviceLibDTpmCommonConstructor (
VOID
);
#endif // _TPM2_DEVICE_LIB_DTPM_H_
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