csl_vpssgethwstatus.c

ccs下对dm6446的测试程序

/*   ==========================================================================
 *   Copyright (c) Texas Instruments Inc , 2004
 *
 *   Use of this software is controlled by the terms and conditions found
 *   in the license agreement under which this software has been supplied
 *   priovided
 *   ==========================================================================
*/
/** \file csl_vpssGetHwStatus.c
 *
 *  \brief    File for functional layer of CSL API \a CSL_vpssGetHwStatus()
 *
 *  \date 25th October, 2004
 *  \author Vignesh LA
 
 */

#include <csl_vpss.h>


#pragma CODE_SECTION (CSL_vpssGetHwStatus, ".text:csl_section:vpss");
/**
    \brief Get VPSS status

    \param hVpss  Pointer to the object that holds reference to the instance
                  of VPSS requested
   
    \param query    The query to this API which indicates the status/setup to
                    be returned 

    \param response  Pointer to query response object     

    \return if success, \c CSL_SOK, else error code

    \see 
*/
CSL_Status  CSL_vpssGetHwStatus ( CSL_VpssHandle hVpss,
                                   CSL_VpssHwStatusQuery query,
                                   void *response ) {

  CSL_Status status = CSL_SOK;

    
  switch (query) {
  
		case CSL_VPSS_QUERY_REV_ID:
			/* Get the Peripheral ID, class and Rev. number */	
			((CSL_VpssRevStatus *)response)->peripheralID = CSL_FEXT ( hVpss->regs->PID, VPSS_PID_TID );
			((CSL_VpssRevStatus *)response)->classID = CSL_FEXT ( hVpss->regs->PID, VPSS_PID_CID );
			((CSL_VpssRevStatus *)response)->revNum = CSL_FEXT ( hVpss->regs->PID, VPSS_PID_PREV );	
			break;

		case CSL_VPSS_QUERY_WBL_OVERFLOW:
			(*((Uint32 *)response)) = hVpss->regs->PCR & 0x00FF0000;
			break;

		case CSL_VPSS_QUERY_CCDC_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_CCDC_WBL_O);
			break;

		case CSL_VPSS_QUERY_PRV_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_PRV_WBL_O);
			break;

		case CSL_VPSS_QUERY_RSZ1_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_RSZ1_WBL_O);
			break;

		case CSL_VPSS_QUERY_RSZ2_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_RSZ2_WBL_O);
			break;

		case CSL_VPSS_QUERY_RSZ3_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_RSZ3_WBL_O);
			break;

		case CSL_VPSS_QUERY_RSZ4_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_RSZ4_WBL_O);
			break;

		case CSL_VPSS_QUERY_AF_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_AF_WBL_O);
			break;

		case CSL_VPSS_QUERY_AEW_WBL_OVERFLOW:
			(*((Uint8 *)response)) = CSL_FEXT ( hVpss->regs->PCR, VPSS_PCR_AEW_WBL_O);
			break;
			
		default:
			status = CSL_ESYS_INVQUERY;
			break;  

  };
    
  return(status);

}