/*  ============================================================================
 *   Copyright (c) Texas Instruments Incorporated 2002, 2003, 2004, 2005, 2008, 2016                 
 * 
 *  Redistribution and use in source and binary forms, with or without 
 *  modification, are permitted provided that the following conditions 
 *  are met:
 *
 *    Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer.
 *
 *    Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the   
 *    distribution.
 *
 *    Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
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 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
*/

/**
 *  @file  csl_intcHwControl.c
 *
 *  @brief File for functional layer of CSL API CSL_intcHwControl()
 *
 *  PATH  $(CSLPATH)\src\intc
 */
 
/* =============================================================================
 *  Revision History
 *  ===============
 *  12-Jun-2004 Ruchika Kharwar File Created
 *
 *  16-Mar-2005 brn modified for doxygen documentation
 *  19-Nov-2008 Updated for Doxygen
 * =============================================================================
 */
 
#include <ti/csl/src/intc/csl_intc.h>
#include <ti/csl/src/intc/_csl_intc.h>
#include <ti/csl/src/intc/csl_intcAux.h>
#if defined(_TMS320C6X)
CSL_SET_CSECT (CSL_intcHwControl, ".text:csl_section:intc")
#endif
CSL_Status  CSL_intcHwControl(
    CSL_IntcHandle            hIntc,
    CSL_IntcHwControlCmd      controlCommand,
    const void*               commandArg
)

{
    CSL_Status status = CSL_SOK;
    
    if (hIntc == NULL)
    {
        status = (CSL_Status)CSL_ESYS_BADHANDLE;
    }  
    else
    { 
        switch(controlCommand)
        {
            case CSL_INTC_CMD_EVTENABLE: 
                if (hIntc->vectId < CSL_INTC_VECTID_EXCEP)
                {
                    if (hIntc->vectId < CSL_INTC_VECTID_COMBINE)
                    {
                        if (hIntc->eventId < 4)
                        {
                            if (commandArg)
                            {
                                CSL_intcCombinedEventEnable(hIntc->eventId,\
                                                              *(CSL_BitMask32*)commandArg);
                            }
                        }
                        CSL_intcInterruptEnable(hIntc->vectId);             
                        CSL_intcEventDisable(hIntc->eventId);                   
                    }
                    else 
                    {
                        CSL_intcEventEnable(hIntc->eventId);                    
                    }
                } 
                else 
                {         
                    CSL_intcExcepEnable(hIntc->eventId);
                }
                break;
            case CSL_INTC_CMD_EVTDISABLE:
                if (hIntc->vectId < CSL_INTC_VECTID_EXCEP)
                {
                    if (hIntc->vectId < CSL_INTC_VECTID_COMBINE)
                    {
                        if (hIntc->eventId < 4)
                        {
                            if (commandArg)
                            {
                                CSL_intcCombinedEventDisable(hIntc->eventId, \
                                                      *(CSL_BitMask32*)commandArg);
                            }
                        }
                        CSL_intcInterruptDisable(hIntc->vectId);                
                    }
                    else 
                    {
                        CSL_intcEventDisable(hIntc->eventId);
                    }
                }
                else 
                {         
                    CSL_intcExcepDisable(hIntc->eventId);
                }
                break;
            case CSL_INTC_CMD_EVTSET:
                CSL_intcEventSet(hIntc->eventId);               
                break;
            case CSL_INTC_CMD_EVTCLEAR:  
                if (hIntc->vectId < CSL_INTC_VECTID_EXCEP)
                {
                    if (hIntc->eventId < 4) 
                    {
                        if (commandArg)
                        {
                            CSL_intcCombinedEventClear(hIntc->eventId, \
                                                      *(CSL_BitMask32*)commandArg);
                        }
                    } 
                    else
                    {                    
                        CSL_intcEventClear(hIntc->eventId);
                    }
                } 
                else 
                {  
                    CSL_intcExcepClear(hIntc->eventId);
                }
                break;
            case CSL_INTC_CMD_EVTDROPENABLE:  
                if (hIntc->vectId < CSL_INTC_VECTID_COMBINE)
                {
                    CSL_intcInterruptDropEnable(((uint32_t)1U) << hIntc->vectId); 
                }
                else
                { 
                    status = (CSL_Status)CSL_ESYS_INVCMD;
                }
                break;
            case CSL_INTC_CMD_EVTDROPDISABLE:   
                if (hIntc->vectId < CSL_INTC_VECTID_COMBINE)
                {
                    CSL_intcInterruptDropDisable(((uint32_t)1U) << hIntc->vectId); 
                }
                else 
                {
                    status = (CSL_Status)CSL_ESYS_INVCMD;   
                }
                break;
            case CSL_INTC_CMD_EVTINVOKEFUNCTION:    
                CSL_intcInvokeEventHandle (hIntc->eventId);
                break;
            default:
                status = (CSL_Status)CSL_ESYS_INVCMD;
                break;
        }
    }
    return status;
}
