tv8532.h

Linux下面摄像头最新源代码:支持200多中摄像头

    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_POINTB_H, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_BUDGET_L, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_BUDGET_H, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_VID_L, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_VID_H, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_PID_L, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_PID_H, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_DeviceID, &data, 1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_AD_COLBEGIN_L, &data,
		   1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_AD_COLBEGIN_H, &data,
		   1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_AD_ROWBEGIN_L, &data,
		   1);
    spca5xxRegRead(dev, TV8532_REQ_RegRead, 0, TV8532_AD_ROWBEGIN_H, &data,
		   1);
}

static void tv_8532_setReg(struct usb_spca50x *spca50x)
{
    struct usb_device *dev = spca50x->dev;
    __u8 data = 0;
    __u8 value[2] = { 0, 0 };

    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 = 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 };

    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
    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_stopN(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);
}

static int tv8532_sofdetect(struct usb_spca50x *spca50x,struct spca50x_frame *frame, unsigned char *cdata,int *iPix, int seqnum, int *datalength)
{
		
		*iPix = 0;
		PDEBUG(1, "icm532, sequenceNumber: 0x%02x packet %d ",
		       seqnum, spca50x->packet);
		/* here we detect 0x80 */
		if (cdata[0] == 0x80) {
		    /* counter is limited so we need few header for a frame :) */

		    /* header 0x80 0x80 0x80 0x80 0x80 */
		    /* packet  00   63  127  145  00   */
		    /* sof     0     1   1    0    0   */
		    /* update sequence */
		    if ((spca50x->packet == 63)
			|| (spca50x->packet == 127))
			spca50x->synchro = 1;
		    /* is there a frame start ? */
		    if (spca50x->packet >= ((spca50x->hdrheight >> 1) - 1)) {
			PDEBUG(1, "SOF > %d seqnumber %d packet %d",
			       spca50x->synchro, seqnum, spca50x->packet);
			if (!spca50x->synchro) {
			    spca50x->packet = 0;
			    return 0; //frame start
			}
		    } else {

			if (!spca50x->synchro) {
			    // Drop packet frame corrupt
			    PDEBUG(1, "DROP SOF %d seqnumber %d packet %d",
				   spca50x->synchro, seqnum,
				   spca50x->packet);
			    frame->last_packet = 0;
			    seqnum = 0 ;
			    spca50x->packet = 0;
			    return -1;
			}
			spca50x->synchro = 1;
			spca50x->packet++;
			return (seqnum+1);
		    }

		} else { 
		    spca50x->packet++;
		    return (seqnum+1);
		}
   PDEBUG(0, "Warning wrong TV8532 frame detection %d",
				   spca50x->packet);
   return -1;
}