zc3xx.h

LINUX X86平台下 万能摄象头驱动

			   &buffread, 1);
	}
	i++;
	udelay(1000);
    }

    return err;
}

#define CLAMP(x) (unsigned char)(((x)>0xFF)?0xff:(((x)<1)?1:(x)))

static __u8 Tgamma_default[16] =
    { 0x13, 0x38, 0x59, 0x79, 0x92, 0xa7, 0xb9, 0xc8, 0xd4, 0xdf, 0xe7, 0xee, 0xf4, 0xf9, 0xfc, 0xff };
static __u8 Tgradient_default[16] =
    { 0x26, 0x22, 0x20, 0x1c, 0x16, 0x13, 0x10, 0x0d, 0x0b, 0x09, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02 };
static __u8 Tgamma_VF0250[16] =
    { 0x04, 0x16, 0x30, 0x4e, 0x68, 0x81, 0x98, 0xac, 0xbe, 0xcd, 0xda, 0xe4, 0xed, 0xf5, 0xfb, 0xff };
static __u8 Tgradient_VF0250[16] =
    { 0x00, 0x16, 0x1b, 0x1c, 0x19, 0x18, 0x15, 0x12, 0x10, 0x0d, 0x0b, 0x09, 0x08, 0x06, 0x05, 0x00 };
static __u8 Tgamma_CS2102[16] =
    { 0x24, 0x44, 0x64, 0x84, 0x9d, 0xb2, 0xc4, 0xd3, 0xe0, 0xeb, 0xf4, 0xff, 0xff, 0xff, 0xff ,0xff }; 
static __u8 Tgradient_CS2102[16] = 
    { 0x18, 0x20, 0x20, 0x1c, 0x16, 0x13, 0x10, 0x0e, 0x0b, 0x09, 0x07, 0x00, 0x00, 0x00, 0x00, 0x01 };

static __u16 zc3xx_getbrightness(struct usb_spca50x *spca50x)
{
    spca50x->brightness = 0x80 << 8;
    spca50x->contrast = 0x80 << 8;
    return spca50x->brightness;
}
static __u16 zc3xx_getcontrast(struct usb_spca50x *spca50x)
{
    return spca50x->contrast;
}
static void zc3xx_setbrightness(struct usb_spca50x *spca50x)
{
    __u8 brightness;
    brightness = spca50x->brightness >> 8;
    spca5xxRegWrite(spca50x->dev, 0xa0, brightness, 0x011d, NULL, 0);
    if (brightness < 0x70) {
	spca5xxRegWrite(spca50x->dev, 0xa0, brightness + 0x10, 0x018d,
			NULL, 0);
    } else {
	spca5xxRegWrite(spca50x->dev, 0xa0, 0x80, 0x018d, NULL, 0);
    }

}
static void zc3xx_setcontrast(struct usb_spca50x *spca50x)
{

    __u16 contrast;
    __u8 *   Tgamma = Tgamma_default;
    __u8 *   Tgradient = Tgradient_default;
    int gm0 = 0;
    int gr0 = 0;
    int index = 0;
    int i;

    switch (spca50x->sensor) {
     case SENSOR_TAS5130C_VF0250:
       Tgamma = Tgamma_VF0250;
       Tgradient = Tgradient_VF0250;
     break;
     case SENSOR_CS2102:
       Tgamma = Tgamma_CS2102;
       Tgradient = Tgradient_CS2102;
     break;
    }

    /* now get the index of gamma table */
    contrast = zc3xx_getcontrast(spca50x);
    if ((index = contrast >> 13) > 6)
	index = 6;
    PDEBUG(2, "starting new table index %d ", index);
    for (i = 0; i < 16; i++) {
	gm0 = Tgamma[i] * index >> 2;
	gr0 = Tgradient[i] * index >> 2;
	spca5xxRegWrite(spca50x->dev, 0xa0, CLAMP(gm0), 0x0120 + i, NULL, 0);	//brightness
	spca5xxRegWrite(spca50x->dev, 0xa0, CLAMP(gr0), 0x0130 + i, NULL, 0);	// contrast
	//PDEBUG(0,"i %d gamma %d gradient %d",i ,Tgamma[i],Tgradient[i]);
    }

}



static int zc3xx_init(struct usb_spca50x *spca50x)
{
    spca5xxRegWrite(spca50x->dev, 0xa0, 0x01, 0x0000, NULL, 0);
    return 0;
}
static void set_zc3xxVGA(struct usb_spca50x *spca50x)
{
    memset(spca50x->mode_cam, 0x00, TOTMODE * sizeof(struct mwebcam));
    spca50x->mode_cam[VGA].width = 640;
    spca50x->mode_cam[VGA].height = 480;
    spca50x->mode_cam[VGA].t_palette =
	P_JPEG | P_RAW | P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[VGA].pipe = 1023;
    spca50x->mode_cam[VGA].method = 0;
    spca50x->mode_cam[VGA].mode = 0;
    spca50x->mode_cam[PAL].width = 384;
    spca50x->mode_cam[PAL].height = 288;
    spca50x->mode_cam[PAL].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[PAL].pipe = 1023;
    spca50x->mode_cam[PAL].method = 1;
    spca50x->mode_cam[PAL].mode = 0;
    spca50x->mode_cam[SIF].width = 352;
    spca50x->mode_cam[SIF].height = 288;
    spca50x->mode_cam[SIF].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[SIF].pipe = 1023;
    spca50x->mode_cam[SIF].method = 1;
    spca50x->mode_cam[SIF].mode = 0;
    spca50x->mode_cam[CIF].width = 320;
    spca50x->mode_cam[CIF].height = 240;
    spca50x->mode_cam[CIF].t_palette =
	P_JPEG | P_RAW | P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[CIF].pipe = 1023;
    spca50x->mode_cam[CIF].method = 0;
    spca50x->mode_cam[CIF].mode = 1;
    spca50x->mode_cam[QPAL].width = 192;
    spca50x->mode_cam[QPAL].height = 144;
    spca50x->mode_cam[QPAL].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[QPAL].pipe = 1023;
    spca50x->mode_cam[QPAL].method = 1;
    spca50x->mode_cam[QPAL].mode = 1;
    spca50x->mode_cam[QSIF].width = 176;
    spca50x->mode_cam[QSIF].height = 144;
    spca50x->mode_cam[QSIF].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[QSIF].pipe = 1023;
    spca50x->mode_cam[QSIF].method = 1;
    spca50x->mode_cam[QSIF].mode = 1;
}
static void set_zc3xxSIF(struct usb_spca50x *spca50x)
{
    memset(spca50x->mode_cam, 0x00, TOTMODE * sizeof(struct mwebcam));
    spca50x->mode_cam[SIF].width = 352;
    spca50x->mode_cam[SIF].height = 288;
    spca50x->mode_cam[SIF].t_palette =
	P_JPEG | P_RAW | P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[SIF].pipe = 1023;
    spca50x->mode_cam[SIF].method = 0;
    spca50x->mode_cam[SIF].mode = 0;
    spca50x->mode_cam[CIF].width = 320;
    spca50x->mode_cam[CIF].height = 240;
    spca50x->mode_cam[CIF].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[CIF].pipe = 1023;
    spca50x->mode_cam[CIF].method = 1;
    spca50x->mode_cam[CIF].mode = 0;
    spca50x->mode_cam[QPAL].width = 192;
    spca50x->mode_cam[QPAL].height = 144;
    spca50x->mode_cam[QPAL].t_palette =
	P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[QPAL].pipe = 1023;
    spca50x->mode_cam[QPAL].method = 1;
    spca50x->mode_cam[QPAL].mode = 0;
    spca50x->mode_cam[QSIF].width = 176;
    spca50x->mode_cam[QSIF].height = 144;
    spca50x->mode_cam[QSIF].t_palette =
	P_JPEG | P_RAW | P_YUV420 | P_RGB32 | P_RGB24 | P_RGB16;
    spca50x->mode_cam[QSIF].pipe = 1023;
    spca50x->mode_cam[QSIF].method = 0;
    spca50x->mode_cam[QSIF].mode = 1;
}

static int zc3xx_config(struct usb_spca50x *spca50x)
{

    int sensor = 0;
    __u8 bsensor = 0;
    spca50x->qindex = 1;
    PDEBUG(0, "Sensor ID:%d",spca50x->sensor);

    sensor = zcxx_probeSensor(spca50x);
    
    switch (sensor) {
    case -1:
         if(spca50x->sensor == SENSOR_TAS5130C_VF0250) {
            PDEBUG(0, "Find Sensor Tas5130 (VF0250)");
	    set_zc3xxVGA(spca50x);
        } else { 	
	    PDEBUG(0, "Find Sensor UNKNOW_0 force Tas5130");
	    spca50x->sensor = SENSOR_TAS5130CXX;
	    set_zc3xxVGA(spca50x);
	}
	break;
    case 0:
	PDEBUG(0, "Find Sensor HV7131B");
	spca50x->sensor = SENSOR_HV7131B;
	set_zc3xxVGA(spca50x);
	break;
    case 1:
	PDEBUG(0, "Find Sensor SIF UNKNOW_1");
	break;
    case 0x02:
	PDEBUG(0, "Find Sensor UNKNOW_2");
	break;
    case 0x04:
	PDEBUG(0, "Find Sensor CS2102");
	spca50x->sensor = SENSOR_CS2102;
	set_zc3xxVGA(spca50x);
	break;
    case 5:
	PDEBUG(0, "Find Sensor SIF UNKNOW_5");
	break;
    case 0x06:
	PDEBUG(0, "Find Sensor OV7630C");
	spca50x->sensor = SENSOR_OV7630C;
	set_zc3xxVGA(spca50x);
	break;
    case 7:
	PDEBUG(0, "Find Sensor SIF UNKNOW_7");
	break;
    case 0x08:
	PDEBUG(0, "Find Sensor HDCS2020(b)");
	spca50x->sensor = SENSOR_HDCS2020b;
	set_zc3xxVGA(spca50x);
	break;
    case 9:
	PDEBUG(0, "Find Sensor SIF UNKNOW_9");
	break;
    case 0x0a:
	PDEBUG(0, "Find Sensor PB0330");
	spca50x->sensor = SENSOR_PB0330;
	set_zc3xxVGA(spca50x);
	break;
    case 0x0b:
	PDEBUG(0, "Find Sensor SIF UNKNOW_b");
	break;
    case 0x0c:
	PDEBUG(0, "Find Sensor ICM105T");
	spca50x->sensor = SENSOR_ICM105A;
	set_zc3xxVGA(spca50x);
	break;
    case 0x0d:
	PDEBUG(0, "Find Sensor SIF UNKNOW_d");
	break;
    case 0x0e:
	PDEBUG(0, "Find Sensor PAS202BCB");
	spca50x->sensor = SENSOR_HDCS2020;
	set_zc3xxVGA(spca50x);
	break;
    case 0x0f:
	PDEBUG(0, "Find Sensor PAS106");
	spca50x->sensor = SENSOR_PAS106;
	set_zc3xxSIF(spca50x);
	break;
    case 0x10:
	PDEBUG(0, "Find Sensor TAS5130");
	spca50x->sensor = SENSOR_TAS5130CXX;
	set_zc3xxVGA(spca50x);
	break;
    case 0x11:
	PDEBUG(0, "Find Sensor HV7131R(c)");
	spca50x->sensor = SENSOR_HV7131C;
	set_zc3xxVGA(spca50x);
	break;
    case 0x12:
	PDEBUG(0, "Find Sensor TAS5130");
	spca50x->sensor = SENSOR_TAS5130CXX;
	set_zc3xxVGA(spca50x);
	break;
    case 0x13:
	PDEBUG(0, "Find Sensor MI0360");
	spca50x->sensor = SENSOR_PB0330;
	set_zc3xxVGA(spca50x);
	break;
    };

    if ((sensor == 0x02) || (sensor == 0x01) || (sensor == 0x05)
	|| (sensor == 0x07) || (sensor == 0x09) || (sensor == 0x0b)
	|| (sensor == 0x0d)) {
	PDEBUG(0,
	       "Our Sensor is unknow at the moment please report [e-mail] ");
	return -EINVAL;
    }

    if ((sensor == -1) || (sensor == 0x10) || (sensor == 0x12)) {
	spca5xxRegWrite(spca50x->dev, 0xa0, 0x02, 0x0010, NULL, 0);
	spca5xxRegRead(spca50x->dev, 0xa1, 0x01, 0x0010, &bsensor, 1);
    } else {
	spca5xxRegWrite(spca50x->dev, 0xa0, sensor & 0x0f, 0x0010, NULL, 0);
	spca5xxRegRead(spca50x->dev, 0xa1, 0x01, 0x0010, &bsensor, 1);
    }
    /* switch the led off */
    if( sensor == 0x06 || sensor == 0x11)
      spca5xxRegWrite(spca50x->dev,0xa0,0x01,0x0000,NULL,0);

    return 0;
}
static void zc3xx_setquality(struct usb_spca50x *spca50x)
{
    __u8 quality = 0;
    __u8 frxt = 0x30;
    quality = (spca50x->qindex) & 0x0f;
    spca5xxRegWrite(spca50x->dev, 0xa0, quality, 0x0008, NULL, 0);
    spca5xxRegWrite(spca50x->dev, 0xa0, frxt, 0x0007, NULL, 0);
    switch (quality){
    case 0:
    case 1:
    case 2:
    frxt = 0xff;
    break;
    case 3:
    frxt = 0xf0;
    break;
    case 4:
    frxt = 0xe0;
    break;
    case 5:
    frxt = 0x20;
    break;
    }
    spca5xxRegWrite(spca50x->dev, 0xa0, frxt, 0x0018, NULL, 0);
    
}
static void zc3xx_setAutobright(struct usb_spca50x *spca50x)
{
    __u8 autoval = 0;
    if (spca50x->autoexpo)
	autoval = 0x42;
    else
	autoval = 0x02;
	spca5xxRegWrite(spca50x->dev, 0xa0, autoval, 0x0180, NULL, 0);
}
static void zc3xx_start(struct usb_spca50x *spca50x)
{
    int err = 0;
    /* Assume start use the good resolution from spca50x->mode */
    //err = zcxx_probeSensor(spca50x);
    switch (spca50x->sensor) {
    case SENSOR_TAS5130CXX:
	if (spca50x->mode) {