csl_prevhwsetup.c

TI达芬奇dm644x各硬件模块测试代码

/** @file csl_prevHwSetup.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_prevHwSetup()
 *
 *  Description
 *    - The @a CSL_prevHwSetup() function definition & it's associated
 *      functions
 *
 *  @date 18th October, 2004
 *  @author Vignesh LA.
 */

#include <csl_prev.h>

#pragma CODE_SECTION (CSL_prevHwSetup, ".text:csl_section:prev");

/** @brief Configures the PREV using the values passed in through the
 *  setup structure. 
 */
CSL_Status  CSL_prevHwSetup(
    /** Pointer to the object that holds reference to the
     *  instance of PREV requested after the call 
	 */
    CSL_PrevHandle                         hPrev,
    /** Pointer to setup structure which contains the
     *  information to program PREV to a useful state 
	 */
    CSL_PrevHwSetup                        *setup
	){
	
	CSL_Status status = CSL_SOK;
	Uint32 i;

    CSL_PrevRegsOvly prevRegs =  hPrev->regs; 
    
    if(setup == NULL) return (CSL_ESYS_INVPARAMS);

	/** Disable all modes.
	*/
    CSL_FINSFNR( prevRegs->PCR, PREV_PCR_INVALAW,	PREV_PCR_DRK_FAIL,	CSL_PREV_INV_ALAW_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_DRKFCAP,	PREV_PCR_DRK_FAIL,	CSL_PREV_DRKF_CAP_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_DRKFEN,	PREV_PCR_DRK_FAIL,	CSL_PREV_DRKF_SUB_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_SHADE_COMP,PREV_PCR_DRK_FAIL,	CSL_PREV_SHADE_COMP_DISABLE);	
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_HMEDEN,	PREV_PCR_DRK_FAIL,	CSL_PREV_HMED_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_NFEN,		PREV_PCR_DRK_FAIL,	CSL_PREV_NF_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_CFAEN,		PREV_PCR_DRK_FAIL,	CSL_PREV_CFA_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_YNENHEN,	PREV_PCR_DRK_FAIL,	CSL_PREV_NL_YENH_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_SUPEN,		PREV_PCR_DRK_FAIL,	CSL_PREV_SUP_DISABLE);
	CSL_FINSFNR( prevRegs->PCR, PREV_PCR_GAMMA_BYPASS,PREV_PCR_DRK_FAIL,CSL_PREV_GAMMA_BYPASS);

	CSL_FINSFNR(prevRegs->PCR,PREV_PCR_YCPOS,PREV_PCR_DRK_FAIL,setup->ycPosition);

	/*  The following can not be null pointers, they must be passed */

	if(CSL_prevSetCFA(hPrev, setup->cfaData)			!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetAve(hPrev, setup->aveData)			!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetWhiteBal(hPrev, setup->wBalData)		!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(setup->wBalCoefMatrix == NULL)								status = CSL_ESYS_INVPARAMS;
	else {
		CSL_prevWbCoefSel(hPrev, setup->wBalCoefMatrix);
	}
	if(CSL_prevSetBlackAdj(hPrev, setup->blackAdjData)	!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetRGB2RGB(hPrev, setup->rgb2rgbData)	!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetCSC(hPrev, setup->cscData)			!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetCntBrt(hPrev, setup->cntBrtData)		!= CSL_SOK) status = CSL_ESYS_INVPARAMS;
	if(CSL_prevSetYC(hPrev, setup->ycData)				!= CSL_SOK) status = CSL_ESYS_INVPARAMS;

	/*  The following may be null pointers */

	CSL_prevSetMode(hPrev, setup->modeData);
	CSL_prevSetHMed(hPrev, setup->hMedData);
	CSL_prevSetNF(hPrev, setup->nFData);
	CSL_prevSetCSup(hPrev, setup->cSupData);


	/** Load gamma tables if they are passed.
	*/

	if(setup->gammaRedTable != NULL)	{
		CSL_PREV_0_REGS->SET_TBL_ADDRESS = 0x0000;
		for( i=0;i<1024;i++) {
    		CSL_PREV_0_REGS->SET_TBL_DATA = setup->gammaRedTable[i];
		}
	}

	if(setup->gammaGreenTable != NULL)	{
		CSL_PREV_0_REGS->SET_TBL_ADDRESS = 0x0400;
		for( i=0;i<1024;i++) {
	    	CSL_PREV_0_REGS->SET_TBL_DATA = setup->gammaGreenTable[i];
		}
	}

	if(setup->gammaBlueTable != NULL)	{
		CSL_PREV_0_REGS->SET_TBL_ADDRESS = 0x0800;
		for( i=0;i<1024;i++) {
	    	CSL_PREV_0_REGS->SET_TBL_DATA = setup->gammaBlueTable[i];
		}
	}

	/** Load non linear enhancer table if it is passed.
	*/
	if(setup->nlEnhanceTable != NULL)
	{
		CSL_PREV_0_REGS->SET_TBL_ADDRESS = 0x1000;
		for( i=0;i<128;i++) {
	    	CSL_PREV_0_REGS->SET_TBL_DATA = setup->nlEnhanceTable[i];
		}
		CSL_FINS( prevRegs->PCR, PREV_PCR_YNENHEN,	CSL_PREV_NL_YENH_ENABLE);
	}
		
	return (status);
}