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/*****************************************************************************
**
* @file xaxipcie_intr.c
*
* This file implements interrupt functions for the XAxiPcie IP
*
*
* <pre>
* MODIFICATION HISTORY:
*
* Ver Who Date Changes
* ----- ---- -------- ---------------------------------------------------
* 1.00a rkv 03/03/11 Original code.
* 2.02a nm 08/01/12 Updated for removing compilation errors with C++,
* changed XCOMPONENT_IS_READY to XIL_COMPONENT_IS_READY
* </pre>
*
******************************************************************************/
/****************************** Include Files ********************************/
#include "xaxipcie.h"
/*************************** Constant Definitions ****************************/
/***************************** Type Definitions ******************************/
/****************** Macros (Inline Functions) Definitions ********************/
/*************************** Variable Definitions ****************************/
/*************************** Function Prototypes *****************************/
/*****************************************************************************/
/**
* Enable the Global Interrupt.
*
* @param InstancePtr is the XAxiPcie instance to operate on.
*
* @return None
*
* @note This bit is in the Bridge Status and Control Register.
*
******************************************************************************/
void XAxiPcie_EnableGlobalInterrupt(XAxiPcie *InstancePtr)
{
u32 Data = 0;
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Data = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_BSC_OFFSET);
Data |= (XAXIPCIE_BSC_GI_MASK >> XAXIPCIE_BSC_GI_SHIFT);
XAxiPcie_WriteReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_BSC_OFFSET, Data);
}
/*****************************************************************************/
/**
* Disable the Global Interrupt.
*
* @param InstancePtr is the XAxiPcie instance to operate on.
*
* @return None
*
* @note This bit is in the Bridge Status and Control Register.
*
******************************************************************************/
void XAxiPcie_DisableGlobalInterrupt(XAxiPcie *InstancePtr)
{
u32 Data = 0;
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Data = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_BSC_OFFSET);
Data &= ~(XAXIPCIE_BSC_GI_MASK >> XAXIPCIE_BSC_GI_SHIFT);
XAxiPcie_WriteReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_BSC_OFFSET, Data);
}
/*****************************************************************************/
/**
* Enable the IP interrupt bits passed into "EnableMask".
*
* @param InstancePtr is the XAxiPcie instance to operate on.
* @param EnableMask is the bit pattern for interrupts wanted to be
* enabled.
*
* @return None
*
* @note If an interrupt is already enabled before calling this
* function, it will stay enabled regardless of the value of
* "EnableMask" passed from the caller.
*
******************************************************************************/
void XAxiPcie_EnableInterrupts(XAxiPcie *InstancePtr, u32 EnableMask)
{
u32 Data = 0;
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Data = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_IM_OFFSET);
XAxiPcie_WriteReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_IM_OFFSET, (Data | EnableMask));
}
/*****************************************************************************/
/**
* Disable the IP interrupt bits passed into "DisableMask".
*
* @param InstancePtr is the XAxiPcie instance to operate on.
* @param DisableMask is the bit pattern for interrupts wanted to be
* disabled.
*
* @return None
*
* @note If an interrupt is already disabled before calling this
* function, it will stay disabled regardless of the value of
* "DisableMask" passed from the caller.
*
******************************************************************************/
void XAxiPcie_DisableInterrupts(XAxiPcie *InstancePtr, u32 DisableMask)
{
u32 Data = 0;
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
Data = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_IM_OFFSET);
XAxiPcie_WriteReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_IM_OFFSET, (Data & (~DisableMask)));
}
/*****************************************************************************/
/**
* Get the currently enabled interrupt bits of the IP and pass them back
* to the caller into "EnabledMask".
*
* @param InstancePtr is the XAxiPcie instance to operate on.
* @param EnabledMaskPtr is a pointer to a variable where the driver will
* pass back the enabled interrupt bits after reading them from IP.
*
* @return None.
*
* @note None.
*
******************************************************************************/
void XAxiPcie_GetEnabledInterrupts(XAxiPcie *InstancePtr, u32 *EnabledMaskPtr)
{
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(EnabledMaskPtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
*EnabledMaskPtr = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_IM_OFFSET);
}
/*****************************************************************************/
/**
* Get the currently pending interrupt bits of the IP and pass them back
* to the caller into "PendingMask".
*
* @param InstancePtr is the XAxiPcie instance to operate on.
* @param PendingMaskPtr is a pointer to a variable where the driver will
* pass back the pending interrupt bits after reading them from IP.
*
* @return None.
*
* @note None.
*
******************************************************************************/
void XAxiPcie_GetPendingInterrupts(XAxiPcie *InstancePtr, u32 *PendingMaskPtr)
{
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(PendingMaskPtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
*PendingMaskPtr = XAxiPcie_ReadReg(InstancePtr->Config.BaseAddress,
XAXIPCIE_ID_OFFSET);
}
/*****************************************************************************/
/**
* Clear the currently pending interrupt bits of the IP passed from
* the caller into "ClearMask".
*
* @param InstancePtr is the XAxiPcie instance to operate on.
* @param ClearMask is the bit pattern for pending interrupts wanted to
* be cleared.
*
* @return None.
*
* @note None.
*
******************************************************************************/
void XAxiPcie_ClearPendingInterrupts(XAxiPcie *InstancePtr, u32 ClearMask)
{
Xil_AssertVoid(InstancePtr != NULL);
Xil_AssertVoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
XAxiPcie_WriteReg((InstancePtr->Config.BaseAddress), XAXIPCIE_ID_OFFSET,
XAxiPcie_ReadReg((InstancePtr->Config.BaseAddress),
XAXIPCIE_ID_OFFSET) & (ClearMask));
}