embeddedsw/XilinxProcessorIPLib/drivers/hdcp1x/src/xhdcp1x_platform.c

/******************************************************************************
*
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/*****************************************************************************/
/**
*
* @file xhdcp1x_platform.c
* @addtogroup hdcp1x_v1_0
* @{
*
* This file provides the implementation for the hdcp platform integration
* module
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver   Who    Date     Changes
* ----- ------ -------- --------------------------------------------------
* 1.00  fidus  07/16/15 Initial release.
* </pre>
*
******************************************************************************/

/***************************** Include Files *********************************/

#include "xhdcp1x.h"
#include "xhdcp1x_platform.h"
#include "xil_types.h"

/************************** Constant Definitions *****************************/

/***************** Macros (Inline Functions) Definitions *********************/

/**************************** Type Definitions *******************************/

/************************** Extern Declarations ******************************/

extern XHdcp1x_KsvRevokeCheck XHdcp1xKsvRevokeCheck;
extern XHdcp1x_TimerStart XHdcp1xTimerStart;
extern XHdcp1x_TimerStop XHdcp1xTimerStop;
extern XHdcp1x_TimerDelay XHdcp1xTimerDelay;

/************************** Function Prototypes ******************************/

/*****************************************************************************/
/**
* This function checks a KSV value to determine if it has been revoked or not.
*
* @param	InstancePtr is the HDCP interface.
* @param	Ksv is the KSV to check.
*
* @return	Truth value indicating the KSV is revoked (TRUE) or not (FALSE).
*
* @note		None.
*
******************************************************************************/
int XHdcp1x_PlatformIsKsvRevoked(const XHdcp1x *InstancePtr, u64 Ksv)
{
	int IsRevoked = FALSE;

	/* Verify arguments. */
	Xil_AssertNonvoid(InstancePtr != NULL);

	/* Sanity Check */
	if (XHdcp1xKsvRevokeCheck != NULL) {
		IsRevoked = (*XHdcp1xKsvRevokeCheck)(InstancePtr, Ksv);
	}

	return (IsRevoked);
}

/*****************************************************************************/
/**
* This function starts a timer on behalf of an HDCP interface.
*
* @param	InstancePtr is the hdcp interface.
* @param	TimeoutInMs is the duration of the timer in milliseconds.
*
* @return
*		- XST_SUCCESS if successful.
*		- XST_FAILURE otherwise.
*
* @note		None.
*
******************************************************************************/
int XHdcp1x_PlatformTimerStart(XHdcp1x *InstancePtr, u16 TimeoutInMs)
{
	int Status = XST_SUCCESS;

	/* Sanity Check */
	if (XHdcp1xTimerStart != NULL) {
		Status = (*XHdcp1xTimerStart)(InstancePtr, TimeoutInMs);
	}
	else {
		Status = XST_FAILURE;
	}

	return (Status);
}

/*****************************************************************************/
/**
* This function stop a timer on behalf of an HDCP interface.
*
* @param	InstancePtr is the HDCP interface.
*
* @return
*		- XST_SUCCESS if successful.
*		- XST_FAILURE otherwise.
*
* @note		None.
*
******************************************************************************/
int XHdcp1x_PlatformTimerStop(XHdcp1x *InstancePtr)
{
	int Status = XST_SUCCESS;

	/* Sanity Check */
	if (XHdcp1xTimerStop != NULL) {
		Status = (*XHdcp1xTimerStop)(InstancePtr);
	}
	else {
		Status = XST_FAILURE;
	}

	return (Status);
}

/*****************************************************************************/
/**
* This function busy waits on a timer for a number of milliseconds.
*
* @param	InstancePtr is the hdcp interface.
* @param	DelayInMs is the delay time in milliseconds.
*
* @return
*		- XST_SUCCESS if successful.
*		- XST_FAILURE otherwise.
*
* @note		None.
*
******************************************************************************/
int XHdcp1x_PlatformTimerBusy(XHdcp1x *InstancePtr, u16 DelayInMs)
{
	int Status = XST_SUCCESS;

	/* Sanity Check */
	if (XHdcp1xTimerDelay != NULL) {
		Status = (*XHdcp1xTimerDelay)(InstancePtr, DelayInMs);
	}
	else {
		Status = XST_FAILURE;
	}

	return (Status);
}
/** @} */