0a595cabe5
Modified source files and doxygen report is updated. Signed-off-by: Durga challa <vnsldurg@xilinx.com>
146 lines
5.2 KiB
C
Executable file
146 lines
5.2 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2011 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xdeint_intr.c
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*
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* This code contains interrupt related functions of Xilinx Video
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* Deinterlacer (DEINT) core. Please see xdeint.h for more details of the core.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ----- -------- -------------------------------------------------------
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* 1.00a rjh 07/10/11 First release.
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* 2.00a rjh 18/01/12 Updated for v_deinterlacer 2.00.
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* 3.2 adk 02/13/14 Adherence to Xilinx coding, Doxygen guidelines.
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xdeint.h"
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#include "xil_assert.h"
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/************************** Constant Definitions *****************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/**************************** Type Definitions *******************************/
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/************************** Function Prototypes ******************************/
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/************************** Variable Definitions *****************************/
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/************************** Function Definitions *****************************/
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/*****************************************************************************/
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/**
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*
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* This function is the interrupt handler for the Deinterlacer core.
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*
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* This handler reads the pending interrupt from the IER/ISR, determines the
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* source of the interrupts, calls according callback, and finally clears the
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* interrupts.
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*
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* The application is responsible for connecting this function to the interrupt
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* system. Application beyond this driver is also responsible for providing
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* callbacks to handle interrupts and installing the callbacks using
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* XDeint_SetCallBack() during initialization phase.
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*
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* @param InstancePtr is a pointer to XDeint instance to be worked on.
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*
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* @return None.
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*
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* @note The Error interrupt callback invoked in case an error interrupt
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* or spurious interrupt happens should reset the Deinterlacer
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* core that just interrupted.
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*
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******************************************************************************/
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void XDeint_IntrHandler(void *InstancePtr)
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{
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XDeint *XDeintPtr;
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u32 PendingIntr;
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/* Verify arguments. */
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XDeintPtr = (XDeint *)((void *)InstancePtr);
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Xil_AssertVoid(XDeintPtr != NULL);
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Xil_AssertVoid(XDeintPtr->IsReady == (u32)(XIL_COMPONENT_IS_READY));
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/* Get pending interrupts. */
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PendingIntr = XDeint_IntrGetPending(XDeintPtr);
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/* A known interrupt has happened. */
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if (PendingIntr != 0) {
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XDeintPtr->IntCallBack(PendingIntr);
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}
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/* Clear pending interrupt(s). */
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XDeint_IntrClear(XDeintPtr, PendingIntr);
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}
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/*****************************************************************************/
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/**
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*
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* This routine installs an asynchronous callback function.
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*
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* @param InstancePtr is a pointer to XDeint instance to be worked on.
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* @param CallBackFunc is the address of the callback function.
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*
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* @return
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* - XST_SUCCESS when handler is installed.
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* - XST_INVALID_PARAM when HandlerType is invalid.
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*
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* @note Invoking this function for a handler that already has been
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* installed replaces it with the new handler.
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*
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******************************************************************************/
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int XDeint_SetCallBack(XDeint *InstancePtr, void *CallBackFunc)
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{
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/* Verify arguments. */
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Xil_AssertNonvoid(InstancePtr != NULL);
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Xil_AssertNonvoid(InstancePtr->IsReady ==
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(u32)(XIL_COMPONENT_IS_READY));
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Xil_AssertNonvoid(CallBackFunc != NULL);
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InstancePtr->IntCallBack = (XDeint_CallBack)((void *)CallBackFunc);
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return (XST_SUCCESS);
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}
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