/* **********************************************************************

         Copyright (c) 2002-2006 Beyond Innovation Technology Co., Ltd

        All rights are reserved. Reproduction in whole or in parts is
    prohibited without the prior written consent of the copyright owner.
   ----------------------------------------------------------------------

    Module: VP.C - Video Processor.

    Purpose: Implementation of VP module.

    Version: 0.01                                   11:24AM  2005/11/17

    Compiler: Keil 8051 C Compiler v8.01

    Reference:
    [1] BIT1611B Data Sheet Version 1.0, 2005-11-10,
        Beyond Innovation Technology

   ----------------------------------------------------------------------
    Modification:

    R0.01 11:24AM  2005/11/17 Jeffrey Chang
    Reason:
        1. Original.
    Solution:

   ********************************************************************** */

#define  _VP_C_


/* ------------------------------------
    Header Files
   ------------------------------------ */
#include "bitek.h"
#include "led.h"
#include "timer.h"
#include "vp.h"
#include "yuv.h"

#if (PROJECT == DMO04041000)    ||  \
    (PROJECT == DMO04042500)    ||  \
    (PROJECT == DMO04052500)
    #include "i2c.h"
#endif

#if (PROJECT == DMO04015800)
    #include "spi.h"
#endif

/* ------------------------------------
    Macro Definitions
   ------------------------------------ */
// in MS
#define COLORSTD_STABLE_TIME        30

// in MS
#define COLORSTD_SETUP_TIME         320

// For Loop Index
#define COLORSTD_DETECT_TIME        255

/* ------------------------------------
    Type Definitions
   ------------------------------------ */

/* ------------------------------------
    Variables Definitions
   ------------------------------------ */


/* ------------------------------------
    Function Prototypes
   ------------------------------------ */


/* -------------------------------------------------------------------
    Name: VP_BlankColor -
    Purpose: To enable/disable FREE-RUN blank color feature.
    Passed:
        BOOL   fOn      Enable (TRUE) or Disable (FALSE).
    Returns: None.
    Notes: [1]40
   ------------------------------------------------------------------- */
void VP_BlankColor (BOOL fOn)
{
    UB8     b40;


    b40 = BITEK_RxByte(VP_MAD, VP_040_TESTPAT_ATTR);

    if (fOn)
        b40 |= VP_MASK_FREERUN_EN;       // Free Run !
    else
        b40 &= (~VP_MASK_FREERUN_EN);

    BITEK_TxByte(VP_MAD, VP_040_TESTPAT_ATTR, b40);
} /* VP_BlankColor */


#if (VP_DISPLAYMODE)
/* -------------------------------------------------------------------
    Name: VP_DisplayMode (YUV_01_BIT1611B) -
    Purpose: To set display mode.
    Passed:
        UB8 bDisplayMode    DISPLAY_MODE_BYPASS or DISPLAY_MODE_LINEAR
    Returns: None.
    Notes:
   ------------------------------------------------------------------- */
void VP_DisplayMode (UB8 bDisplayMode)
{
    // [V00041] Added by JC 05:17PM  2006/03/05
    BITEK_TxByte(VP_MAD, VP_005_INT_ATTR, 0x20);

    bDisplayMode = bDisplayMode;

    BITEK_TxByte(VP_MAD, VP_005_INT_ATTR, 0x30);
} /* VP_DisplayMode */
#endif


/* -------------------------------------------------------------------
    Name: VP_HardwareReset -
    Purpose: To Reset VP hardware.
    Passed:
    Returns:
    Notes: [1]17
   ------------------------------------------------------------------- */
void VP_HardwareReset (void)
{
    VP_RESET_OFF;
    TIMER_DelayMS(50);

    VP_RESET_ON;                // Reset !
    TIMER_DelayMS(100);         // At least 4 XCLK cycles !

    VP_RESET_OFF;
    TIMER_DelayMS(50);
} /* VP_HardwareReset */



/* -------------------------------------------------------------------
    Name: VP_Init -
    Purpose: To initiate VP module.
    Passed: None.
    Returns: None.
    Notes:
   ------------------------------------------------------------------- */
void VP_Init (void)
{
    switch (tsEYD.bYUV_ID)
    {
        case YUV_ID_CVBS_11:
        case YUV_ID_CVBS_21:
        case YUV_ID_YC_Y12C22:
            // Defaul Values !
            BITEK_TxBurst(VP_MAD, VP_007_PORT_ATTR, sizeof(abVP_007_0A7_DEFAULT), abVP_007_0A7_DEFAULT);

            break;
    }



    #ifdef NOT_JUNK

    /* ....................................
        [1]73 Gamma LUT
       .................................... */
    {
        UB8 bA2;


        bA2 = BITEK_RxByte(VP_MAD, VP_0A2_GAMMA_ATTR) & ~VP_MASK_GAMMA_LUT_EN;

        // To disable RGB Gamma Tables
        BITEK_TxByte(VP_MAD, VP_0A2_GAMMA_ATTR, bA2);

        // To set RGB Gamma Tables
        BITEK_TxBurst(VP_MAD, VP_0200_02FF_GAMMA_LUT_R + 0  ,  sizeof(abGammaR)/2, &abGammaR[   0 ]);
        BITEK_TxBurst(VP_MAD, VP_0200_02FF_GAMMA_LUT_R + 128,  sizeof(abGammaR)/2, &abGammaR[ 128 ]);
        BITEK_TxBurst(VP_MAD, VP_0300_03FF_GAMMA_LUT_G + 0  ,  sizeof(abGammaR)/2, &abGammaG[   0 ]);
        BITEK_TxBurst(VP_MAD, VP_0300_03FF_GAMMA_LUT_G + 128,  sizeof(abGammaR)/2, &abGammaG[ 128 ]);
        BITEK_TxBurst(VP_MAD, VP_0400_04FF_GAMMA_LUT_B + 0  ,  sizeof(abGammaR)/2, &abGammaB[   0 ]);
        BITEK_TxBurst(VP_MAD, VP_0400_04FF_GAMMA_LUT_B + 128,  sizeof(abGammaR)/2, &abGammaB[ 128 ]);

        // To enable RGB Gamma Tables
        BITEK_TxByte(VP_MAD, VP_0A2_GAMMA_ATTR, (bA2 | VP_MASK_GAMMA_LUT_EN));
    }

    /* ....................................
        [1]71 Gamma Adjust-Curve
       .................................... */
    #endif


    /* ....................................
        Video Processor
       .................................... */
    VP_SetBlackLevel(tsEGD.bBlackLevel,
                     tsEGD.bWhiteSlope,
                     tsEGD.bBlackSlope,
                     tsEGD.bWhiteStart,
                     tsEGD.bBlackStart
                    );

    VP_SetBrightness(tsEGD.bBrightness);
    VP_SetContrast(tsEGD.bContrast);

    // To adjust VP
    VP_SetImageFilter(tsEGD.bImage_Filter);

    // To restore VP TCON mode !
    VP_SetTCON_Mode(tsEGD.bTCON_Mode);
} /* VP_Init */


#if (VP_INT_CFG != EXT_INT_NONE)
/* -------------------------------------------------------------------
    Name: VP_ISR -
    Purpose: .
    Passed: None
    Returns: None.
    Notes:
    Reference: [2]19
   ------------------------------------------------------------------- */
void VP_ISR (void) interrupt VP_INT     using VP_USING
{
    fVP_IntReady = TRUE;
} /* VP_ISR */
#endif


#if (VP_SET_BLACKLEVEL)
/* -------------------------------------------------------------------
    Name: VP_SetBlackLevel -
    Purpose: This function sets the VP BlackLevel.
    Passed:
        UB8 bBlackLevel
    Returns: None.
    Notes: [1]65
   ------------------------------------------------------------------- */
void VP_SetBlackLevel (
UB8 bBlackLevel,
UB8 bWhiteSlope,
UB8 bBlackSlope,
UB8 bWhiteStart,
UB8 bBlackStart
)
{
    BITEK_TxByte(VP_MAD, VP_082_BLACK_LEVEL, bBlackLevel ^ 0x80);
    BITEK_TxByte(VP_MAD, VP_083_WHITE_SLOPE, bWhiteSlope);
    BITEK_TxByte(VP_MAD, VP_084_BLACK_SLOPE, bBlackSlope);
    BITEK_TxByte(VP_MAD, VP_085_WHITE_START, bWhiteStart);
    BITEK_TxByte(VP_MAD, VP_086_BLACK_START, bBlackStart);
} // VP_SetBlackLevel
#endif




#if (VP_SET_COLORSTANDARD)
/* -------------------------------------------------------------------
    Name: VP_SetColorStandard - (YUV_01_BIT1611B)
    Purpose: To adjust Video Processor register settings according to
        Color Standard mode.
    Passed:
        UB8 bMode   YUV_CS_NTSC         or
                    YUV_CS_PAL_BGDHI    or
                    YUV_CS_SECAM_L
    Returns:
    Notes:
   ------------------------------------------------------------------- */
void VP_SetColorStandard (UB8 bMode)
{
    //UB8     b615;


    return;
    /////////////////////////////////////////////

    switch (tsEYD.bYUV_ID)
    {
        case YUV_ID_CVBS_11:
        case YUV_ID_CVBS_21:
        case YUV_ID_YC_Y12C22:
        case YUV_ID_YC_Y11C21:
            switch (bMode)
            {
                // 50Hz
                case YUV_CS_PAL:
                case YUV_CS_PAL_N:
                case YUV_CS_SECAM:
                case YUV_CS_NTSC_443_50:
                    break;

                // 60Hz
                case YUV_CS_NTSC:
                case YUV_CS_PAL_M:
                case YUV_CS_NTSC_M:
                case YUV_CS_NTSC_443_60:
                case YUV_CS_PAL_60:
                default:
                    break;
            } // switch bMode

            //BITEK_TxByte(YUV_MAD, VP_615_CHROMA_ATTR4, b615);

            /* ....................................
                Video Decoder
               .................................... */
            YUV_SetBrightness(tsEYD.bBrightness);
            YUV_SetContrast(tsEYD.bContrast);
            YUV_SetSaturation(tsEYD.bSaturation);
            YUV_SetHue(tsEYD.bHue);
            break;
    } /* tsEYD.bYUV_ID */

    /* ....................................
        Video Decoder