tv8532.h

LINUX下的万能摄象头驱动

    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_COLBEGIN_L, &data, 1);	//0x10
    data = ADCBEGINH;		// also digital gain
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_COLBEGIN_H,
		    &data, 1);
    data = TV8532_CMD_UPDATE;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_PART_CTRL, &data, 1);	//0x00<-0x84

    data = 0x0a;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);
	/*******************************************************************/
    data = ADHEIGHL;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADHEIGHT_L, &data, 1);	//0e
    data = ADHEIGHH;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADHEIGHT_H, &data, 1);	//0f
    value[0] = EXPOL;
    value[1] = EXPOH;		// 350d 0x014c;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_EXPOSURE, value, 2);	//1c
    data = ADCBEGINL;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_COLBEGIN_L, &data, 1);	//0x10
    data = ADCBEGINH;		// also digital gain
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_COLBEGIN_H,
		    &data, 1);
    data = ADRBEGINL;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_ROWBEGIN_L, &data, 1);	//0x14

    data = 0x00;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_SLOPE, &data, 1);	//0x91
    data = 0x02;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_BITCTRL, &data, 1);	//0x94


    data = TV8532_CMD_EEprom_Close;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_CTRL, &data, 1);	//0x01

    data = 0x00;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_SLOPE, &data, 1);	//0x91
    data = TV8532_CMD_UPDATE;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_PART_CTRL, &data, 1);	//0x00<-0x84

}

static void tv_8532_PollReg(struct usb_spca50x *spca50x)
{
    struct usb_device *dev = spca50x->dev;
    __u8 data = 0;
    int i;
    /* strange polling from tgc */
    for (i = 0; i < 10; i++) {
	data = TESTCLK;		//0x48; //0x08;
	spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_SETCLK, &data, 1);	//0x2c
	data = TV8532_CMD_UPDATE;
	spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_PART_CTRL,
			&data, 1);
	data = 0x01;
	spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31
    }
}

static int tv8532_init(struct usb_spca50x *spca50x)
{
    struct usb_device *dev = spca50x->dev;
    __u8 data = 0;
    __u8 dataStart = 0;
    __u8 value[2] = { 0, 0 };


    data = 0x32;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_SLOPE, &data,
		    1);

    data = 0;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_BITCTRL, &data,
		    1);

    tv_8532ReadRegisters(spca50x);

    data = 0x0b;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);

    value[0] = ADHEIGHL;
    value[1] = ADHEIGHH;	// 401d 0x0169;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADHEIGHT_L, value, 2);	//0e

    value[0] = EXPOL;
    value[1] = EXPOH;		// 350d 0x014c;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_EXPOSURE, value, 2);	//1c

    data = ADWIDTHL;		// 0x20;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADWIDTH_L, &data, 1);	//0x0c
    data = ADWIDTHH;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADWIDTH_H, &data, 1);	// 0x0d

	/*******************************************************************/
    data = TESTCOMP;		//0x72 compressed mode
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_QUANT_COMP, &data, 1);	//0x28
    data = TESTLINE;		//0x84; // CIF | 4 packet
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_MODE_PACKET, &data, 1);	//0x29

	/*******************************************************************/
    data = TESTCLK;		//0x48; //0x08;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_SETCLK, &data, 1);	//0x2c
    data = TESTPTL;		// 0x38; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINT_L, &data, 1);	//0x2d
    data = TESTPTH;		// 0x04;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINT_H, &data, 1);	// 0x2e
    dataStart = TESTPTBL;	//0x04; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINTB_L, &dataStart, 1);	//0x2f
    data = TESTPTBH;		//0x04; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINTB_H, &data, 1);	//0x30
    data = TV8532_CMD_UPDATE;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_PART_CTRL, &data, 1);	//0x00<-0x84
	/********************************************************************/
    data = 0x01;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31
    wait_ms(200);
    data = 0x00;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31
	/********************************************************************/
    tv_8532_setReg(spca50x);
	/*******************************************************************/
    data = 0x0b;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);
	/*******************************************************************/
    tv_8532_setReg(spca50x);
	/********************************************************************/
    tv_8532_PollReg(spca50x);
    return 0;
}

static void tv8532_start(struct usb_spca50x *spca50x)
{
    struct usb_device *dev = spca50x->dev;
    __u8 data = 0;
    __u8 dataStart = 0;
    __u8 value[2] = { 0, 0 };
    __u16 err;

    data = 0x32;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_SLOPE, &data,
		    1);

    data = 0;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_AD_BITCTRL, &data,
		    1);

    tv_8532ReadRegisters(spca50x);

    data = 0x0b;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);

    value[0] = ADHEIGHL;
    value[1] = ADHEIGHH;	// 401d 0x0169;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADHEIGHT_L, value, 2);	//0e
    tv8532_initPictSetting(spca50x);
    //value[0] = EXPOL; value[1] =EXPOH; // 350d 0x014c;
    //spca5xxRegWrite(dev,TV8532_REQ_RegWrite,0,TV8532_EXPOSURE,value,2); //1c
    err = tv8532_setbrightness(spca50x);

    data = ADWIDTHL;		// 0x20;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADWIDTH_L, &data, 1);	//0x0c
    data = ADWIDTHH;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_ADWIDTH_H, &data, 1);	// 0x0d

	/*******************************************************************/
    data = TESTCOMP;		//0x72 compressed mode
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_QUANT_COMP, &data, 1);	//0x28
    if (spca50x->mode) {
	data = QCIFLINE;	//0x84; // CIF | 4 packet
	spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_MODE_PACKET, &data, 1);	//0x29
    } else {
	data = TESTLINE;	//0x84; // CIF | 4 packet
	spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_MODE_PACKET, &data, 1);	//0x29
    }
	/*******************************************************************/
    data = TESTCLK;		//0x48; //0x08;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_SETCLK, &data, 1);	//0x2c
    data = TESTPTL;		// 0x38; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINT_L, &data, 1);	//0x2d
    data = TESTPTH;		// 0x04;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINT_H, &data, 1);	// 0x2e
    dataStart = TESTPTBL;	//0x04; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINTB_L, &dataStart, 1);	//0x2f
    data = TESTPTBH;		//0x04; 
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_POINTB_H, &data, 1);	//0x30
    data = TV8532_CMD_UPDATE;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_PART_CTRL, &data, 1);	//0x00<-0x84
	/********************************************************************/
    data = 0x01;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31
    wait_ms(200);
    data = 0x00;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31
	/********************************************************************/
    tv_8532_setReg(spca50x);
	/*******************************************************************/
    data = 0x0b;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);
	/*******************************************************************/
    tv_8532_setReg(spca50x);
	/********************************************************************/
    tv_8532_PollReg(spca50x);

    data = 0x00;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_UDP_UPDATE, &data, 1);	//0x31

}

static void tv8532_stop(struct usb_spca50x *spca50x)
{
    struct usb_device *dev = spca50x->dev;
    __u8 data = 0;

    data = 0x0b;
    spca5xxRegWrite(dev, TV8532_REQ_RegWrite, 0, TV8532_GPIO_OE, &data, 1);
}