+++ /dev/null
-/******************************************************************************
-*
-* Copyright (C) 2014 Xilinx, Inc. All rights reserved.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy
-* of this software and associated documentation files (the "Software"), to deal
-* in the Software without restriction, including without limitation the rights
-* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-* copies of the Software, and to permit persons to whom the Software is
-* furnished to do so, subject to the following conditions:
-*
-* The above copyright notice and this permission notice shall be included in
-* all copies or substantial portions of the Software.
-*
-* Use of the Software is limited solely to applications:
-* (a) running on a Xilinx device, or
-* (b) that interact with a Xilinx device through a bus or interconnect.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-* XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE.
-*
-* Except as contained in this notice, the name of the Xilinx shall not be used
-* in advertising or otherwise to promote the sale, use or other dealings in
-* this Software without prior written authorization from Xilinx.
-*
-******************************************************************************/
-/*****************************************************************************/
-/**
-*
-* @file xzdma_intr.c
-* @addtogroup zdma_v1_0
-* @{
-*
-* This file contains interrupt related functions of Xilinx ZDMA core.
-* Please see xzdma.h for more details of the driver.
-*
-* <pre>
-* MODIFICATION HISTORY:
-*
-* Ver Who Date Changes
-* ----- ------ -------- ------------------------------------------------------
-* 1.0 vns 2/27/15 First release
-* </pre>
-*
-******************************************************************************/
-
-/***************************** Include Files *********************************/
-
-#include "xzdma.h"
-
-/***************** Macros (Inline Functions) Definitions *********************/
-
-
-/**************************** Type Definitions *******************************/
-
-
-/************************** Function Prototypes ******************************/
-
-
-/************************** Variable Definitions *****************************/
-
-
-/************************** Function Definitions *****************************/
-
-
-/*****************************************************************************/
-/**
-*
-* This function is the interrupt handler for the ZDMA core.
-*
-* This handler reads the pending interrupt from Status register, determines the
-* source of the interrupts and calls the respective callbacks for the
-* interrupts that are enabled in IRQ_ENABLE register, and finally clears the
-* interrupts.
-*
-* The application is responsible for connecting this function to the interrupt
-* system. Application beyond this driver is also responsible for providing
-* callbacks to handle interrupts and installing the callbacks using
-* XZDma_SetCallBack() during initialization phase. .
-*
-* @param Instance is a pointer to the XZDma instance to be worked on.
-*
-* @return None.
-*
-* @note To generate interrupt required interrupts should be enabled.
-*
-******************************************************************************/
-void XZDma_IntrHandler(void *Instance)
-{
- u32 PendingIntr;
- u32 ErrorStatus;
- XZDma *InstancePtr = NULL;
- InstancePtr = (XZDma *)((void *)Instance);
-
- /* Verify arguments. */
- Xil_AssertVoid(InstancePtr != NULL);
-
- /* Get pending interrupts */
- PendingIntr = (u32)(XZDma_IntrGetStatus(InstancePtr));
- PendingIntr &= (~XZDma_GetIntrMask(InstancePtr));
-
- /* ZDMA transfer has completed */
- ErrorStatus = (PendingIntr) & (XZDMA_IXR_DMA_DONE_MASK);
- if ((ErrorStatus) != 0U) {
- XZDma_DisableIntr(InstancePtr, XZDMA_IXR_ALL_INTR_MASK);
- InstancePtr->ChannelState = XZDMA_IDLE;
- InstancePtr->DoneHandler(InstancePtr->DoneRef);
- }
-
- /* An error has been occurred */
- ErrorStatus = PendingIntr & (XZDMA_IXR_ERR_MASK);
- if ((ErrorStatus) != 0U) {
- if ((ErrorStatus & XZDMA_IXR_DMA_PAUSE_MASK) ==
- XZDMA_IXR_DMA_PAUSE_MASK) {
- InstancePtr->ChannelState = XZDMA_PAUSE;
- }
- else {
- if ((ErrorStatus & (XZDMA_IXR_AXI_WR_DATA_MASK |
- XZDMA_IXR_AXI_RD_DATA_MASK |
- XZDMA_IXR_AXI_RD_DST_DSCR_MASK |
- XZDMA_IXR_AXI_RD_SRC_DSCR_MASK)) != 0x00U) {
- InstancePtr->ChannelState = XZDMA_IDLE;
- }
- }
- InstancePtr->ErrorHandler(InstancePtr->ErrorRef, ErrorStatus);
- }
-
- /* Clear pending interrupt(s) */
- XZDma_IntrClear(InstancePtr, PendingIntr);
-}
-
-/*****************************************************************************/
-/**
-*
-* This routine installs an asynchronous callback function for the given
-* HandlerType.
-*
-* <pre>
-* HandlerType Callback Function Type
-* ----------------------- --------------------------------------------------
-* XZDMA_HANDLER_DONE Done handler
-* XZDMA_HANDLER_ERROR Error handler
-*
-* </pre>
-*
-* @param InstancePtr is a pointer to the XZDma instance to be worked on.
-* @param HandlerType specifies which callback is to be attached.
-* @param CallBackFunc is the address of the callback function.
-* @param CallBackRef is a user data item that will be passed to the
-* callback function when it is invoked.
-*
-* @return
-* - XST_SUCCESS when handler is installed.
-* - XST_INVALID_PARAM when HandlerType is invalid.
-*
-* @note Invoking this function for a handler that already has been
-* installed replaces it with the new handler.
-*
-******************************************************************************/
-s32 XZDma_SetCallBack(XZDma *InstancePtr, XZDma_Handler HandlerType,
- void *CallBackFunc, void *CallBackRef)
-{
- s32 Status;
-
- /* Verify arguments. */
- Xil_AssertNonvoid(InstancePtr != NULL);
- Xil_AssertNonvoid(CallBackFunc != NULL);
- Xil_AssertNonvoid(CallBackRef != NULL);
- Xil_AssertNonvoid((HandlerType == XZDMA_HANDLER_DONE) ||
- (HandlerType == XZDMA_HANDLER_ERROR));
- Xil_AssertNonvoid(InstancePtr->IsReady ==
- (u32)(XIL_COMPONENT_IS_READY));
-
- /*
- * Calls the respective callback function corresponding to
- * the handler type
- */
- switch (HandlerType) {
- case XZDMA_HANDLER_DONE:
- InstancePtr->DoneHandler =
- (XZDma_DoneHandler)((void *)CallBackFunc);
- InstancePtr->DoneRef = CallBackRef;
- Status = (XST_SUCCESS);
- break;
-
- case XZDMA_HANDLER_ERROR:
- InstancePtr->ErrorHandler =
- (XZDma_ErrorHandler)((void *)CallBackFunc);
- InstancePtr->ErrorRef = CallBackRef;
- Status = (XST_SUCCESS);
- break;
-
- default:
- Status = (XST_INVALID_PARAM);
- break;
- }
-
- return Status;
-}
-/** @} */
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