image_sensor.c

iv100b 驱动。。。 MTK6226的原始代码

    /****************************************************************************
    *   camera_para.AWB.LightSource[m][n] is in 0x80 base, i.e. 0x80 = 1x gain  *
    ****************************************************************************/
    kal_uint16 iRGain = 0x80, iGGain = 0x80, iBGain = 0x80; // all set to 1x gain

		// Fix AWB problem by Fordarm 060828
    if (g_bCaptureMode == KAL_TRUE) {
        return;
    }

    switch (iPara)
    {
    case CAM_WB_AUTO:   // enable AWB
        // CAM_WB_AUTO mode should not update R/G/B gains
        write_cmos_sensor(0x60, 0xC8);
        return KAL_TRUE;

    case CAM_WB_CLOUD:
        write_cmos_sensor(0x60, 0x00);  // disable AWB
        write_cmos_sensor(0x7A, 0xD0); 
        write_cmos_sensor(0x7B, 0x88);  
        break;

    case CAM_WB_DAYLIGHT:
        write_cmos_sensor(0x60, 0x00);  // disable AWB
        write_cmos_sensor(0x7A, 0xC2); 
        write_cmos_sensor(0x7B, 0x9E);  
        break;

    case CAM_WB_INCANDESCENCE:
        write_cmos_sensor(0x60, 0x00);  // disable AWB
   	 write_cmos_sensor(0x7A, 0x98); 
        write_cmos_sensor(0x7B, 0xC8);  
        break;

    case CAM_WB_FLUORESCENT:
        write_cmos_sensor(0x60, 0x00);  // disable AWB
   	 write_cmos_sensor(0x7A, 0xAA); 
        write_cmos_sensor(0x7B, 0xBE);  
        break;

    case CAM_WB_TUNGSTEN:
        write_cmos_sensor(0x60, 0x00);  // disable AWB
   	 write_cmos_sensor(0x7A, 0x90); 
        write_cmos_sensor(0x7B, 0xC0);  
        break;

    case CAM_WB_MANUAL:
    default:
        return KAL_FALSE;
    }

    write_cmos_sensor(0x7A, iRGain);    // set R gain
    write_cmos_sensor(0x7B, iBGain);    // set B gain
    write_cmos_sensor(0x7C, iGGain);    // set G gain

    return KAL_TRUE;
}   /* SIV100B_Set_Para_WB */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_EV
*
* DESCRIPTION
*   SIV100B exposure setting.
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_EV(kal_uint32 iPara)
{
    switch (iPara)
    {
    case CAM_EV_NEG_4_3:    // -4 EV
        write_cmos_sensor(0x41, 0x4A);
        break;

    case CAM_EV_NEG_3_3:    // -3 EV
        write_cmos_sensor(0x41, 0x5A);
        break;

    case CAM_EV_NEG_2_3:    // -2 EV
        write_cmos_sensor(0x41, 0x6A);
        break;

    case CAM_EV_NEG_1_3:    // -1 EV
        write_cmos_sensor(0x41, 0x7A);
        break;

    case CAM_EV_ZERO:   // +0 EV
        write_cmos_sensor(0x41, 0x8A);
        break;

    case CAM_EV_POS_1_3:    // +1 EV
        write_cmos_sensor(0x41, 0x9A);
        break;

    case CAM_EV_POS_2_3:    // +2 EV
        write_cmos_sensor(0x41, 0xAA);
        break;

    case CAM_EV_POS_3_3:    // +3 EV
        write_cmos_sensor(0x41, 0xBA);
        break;

    case CAM_EV_POS_4_3:    // +4 EV
        write_cmos_sensor(0x41, 0xCA);
        break;

    default:
        return KAL_FALSE;    
    }

    return KAL_TRUE;	
}   /* SIV100B_Set_Para_EV */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_Banding
*
* DESCRIPTION
*   SIV100B banding setting.
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_Banding(kal_uint32 iPara)
{
    g_iBanding = iPara;
 
    switch (iPara)
    {
    case CAM_BANDING_50HZ:
        // all 50HZ blank register cannot be used
            if (g_bVideoMode == KAL_TRUE){
//            ConfigVBlank(VIDEO_MODE_VBLANK_50HZ, CAM_BANDING_60HZ);
//            ConfigHBlank(VIDEO_MODE_HBLANK_50HZ, CAM_BANDING_60HZ);
//            write_cmos_sensor(0x34, 0x42);
//            ConfigVBlank(VIDEO_MODE_VBLANK, CAM_BANDING_50HZ);
//            ConfigHBlank(VIDEO_MODE_HBLANK, CAM_BANDING_50HZ);
            }
            else
            {
        }
        break;

    case CAM_BANDING_60HZ:
            if (g_bVideoMode == KAL_TRUE)
            {
//            ConfigVBlank(VIDEO_MODE_VBLANK_60HZ, CAM_BANDING_60HZ);
//            ConfigHBlank(VIDEO_MODE_HBLANK_60HZ, CAM_BANDING_60HZ);
//            write_cmos_sensor(0x34, 0x3A);
            }
            else
            {
        }
        break;

    default:
        return KAL_FALSE;
    }

    return KAL_TRUE;
}   /* SIV100B_Set_Para_Banding */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_Saturation
*
* DESCRIPTION
*   SIV100B SATURATION setting.
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_Saturation(kal_uint32 iPara)
{
    return KAL_FALSE;
}   /* SIV100B_Set_Para_Saturation */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_NightMode
*
* DESCRIPTION
*   SIV100B night mode setting.
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_NightMode(kal_uint32 iPara)
{
    SIV100B_NightMode((kal_bool) iPara);

    return KAL_TRUE;
}   /* SIV100B_Set_Para_NightMode */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_AE_Meter
*
* DESCRIPTION
*   SIV100B AE metering mode
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_AE_Meter(kal_uint32 iPara)
{
    switch (iPara)
    {
    case CAM_AE_METER_AUTO: // NORMAL mode AE metering
        write_cmos_sensor(0x40, 0x80);
        g_iAE_Meter = CAM_AE_METER_AUTO;
        break;

    case CAM_AE_METER_SPOT: // SPOT mode AE metering
        write_cmos_sensor(0x40, 0xA0);
        g_iAE_Meter = CAM_AE_METER_SPOT;
        break;

    case CAM_AE_METER_CENTRAL:
    case CAM_AE_METER_AVERAGE:
    default:
        return KAL_FALSE;
	}

    return KAL_TRUE;
}   /* SIV100B_Set_Para_AE_Meter */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_Shutter_Priority
*
* DESCRIPTION
*   SIV100B
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_Shutter_Priority(kal_uint32 iPara)
{
    return KAL_FALSE;
}   /* SIV100B_Set_Para_Shutter_Priority */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_Aperture_Priority
*
* DESCRIPTION
*   SIV100B
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_Aperture_Priority(kal_uint32 iPara)
{
    return KAL_FALSE;
}   /* SIV100B_Set_Para_Aperture_Priority */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_ISO
*
* DESCRIPTION
*   SIV100B
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_ISO(kal_uint32 iPara)
{
    switch (iPara)
    {
    case CAM_ISO_AUTO:
    case CAM_ISO_100:
    case CAM_ISO_200:
    case CAM_ISO_400:
    default:
        return KAL_FALSE;
    }

    return KAL_FALSE;
}   /* SIV100B_Set_Para_ISO */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_DSC_Mode
*
* DESCRIPTION
*   SIV100B
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_DSC_Mode(kal_uint32 iPara)
{
    switch (iPara)
    {
    case CAM_AUTO_DSC:
    case CAM_PORTRAIT:
    case CAM_LANDSCAPE:
    case CAM_SPORT:
    case CAM_FLOWER:
    case CAM_NIGHTSCENE:
    case CAM_TV_MODE:
    case CAM_AV_MODE:
    case CAM_ISO_MODE:
    default:
	    return KAL_FALSE;
    }

    return KAL_FALSE;
}   /* SIV100B_Set_Para_DSC_Mode */

/*************************************************************************
* FUNCTION
*   SIV100B_Set_Para_Effect
*
* DESCRIPTION
*   SIV100B
*
* PARAMETERS
*   None
*
* RETURNS
*   None
*
* GLOBALS AFFECTED
*
*************************************************************************/
kal_uint32 SIV100B_Set_Para_Effect(kal_uint32 iPara)
{
    switch (iPara)
    {
    case CAM_EFFECT_DEC_NORMAL:
        write_cmos_sensor(0xD8, 0x00);
        break;

    case CAM_EFFECT_DEC_GRAYSCALE:
        write_cmos_sensor(0xD8, 0x40);
        break;

    case CAM_EFFECT_DEC_SEPIA:
        write_cmos_sensor(0xD8, 0x80);
        write_cmos_sensor(0xD9, 0x00);
        write_cmos_sensor(0xDA, 0xA0);
        break;

/*    case CAM_EFFECT_DEC_SEPIAINV:
        write_cmos_sensor(0xD8, 0xA0);
        write_cmos_sensor(0xD9, 0x00);
        write_cmos_sensor(0xDA, 0xA0);
        break;        
*/
    case CAM_EFFECT_DEC_SEPIAGREEN:
        write_cmos_sensor(0xD8, 0x80);
        write_cmos_sensor(0xD9, 0x50);
        write_cmos_sensor(0xDA, 0x50);
        break;

/*    case CAM_EFFECT_DEC_SEPIAGREENINV:
        write_cmos_sensor(0xD8, 0xA0);
        write_cmos_sensor(0xD9, 0x50);
        write_cmos_sensor(0xDA, 0x50);
        break;
*/
    case CAM_EFFECT_DEC_SEPIABLUE:
        write_cmos_sensor(0xD8, 0x80);
        write_cmos_sensor(0xD9, 0xC0);
        write_cmos_sensor(0xDA, 0x60);
        break;
        
/*    case CAM_EFFECT_DEC_SEPIABLUEINV:
        write_cmos_sensor(0xD8, 0xA0);
        write_cmos_sensor(0xD9, 0xC0);
        write_cmos_sensor(0xDA, 0x60);        
*/
    case CAM_EFFECT_DEC_COLORINV: