zc0301_pb0330.c

linux环境下中芯微芯片摄像头驱动源代码

/*	This file about front-end configurations
 *
 * 	The values copied from ZC0301 source in kernel, because I cann't find manual.
 *	
 *	It's created by WE.XCC at 2008.05.04
 *
 *
 *	Author's E-mail:[e-mail]
 */


#include <linux/usb.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/module.h>

#include "zc0301_struct.h"
#include "zc0301_debug.h"

/**************************************************/
int zc0301_write_reg(struct zc0301_device *cam, u16 index, u16 value)
{
	struct usb_device *udev = NULL;
	int res = 0;
	
	if (cam == NULL)
	{
		debug_error("zc0301_write_reg:cam in null\n");
		return -ENODEV;
	}
	udev = cam->usbdev;
	
	res = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0xa0, 0x40, value, index, NULL, 0, 100);
	if (res < 0)
		debug_error("zc0301_write_reg:res < 0\n");
	return res;
}

int zc0301_read_reg(struct zc0301_device *cam, u16 index)
{
	struct usb_device *udev = NULL;
	u8 *buff = NULL;
	int res = 0;

	if (cam == NULL)
	{
		debug_error("zc0301_read_reg:cam is null\n");
		return -ENODEV;
	}
	//debug_param("%s\n", __FUNCTION__);
	udev = cam->usbdev;
	buff = cam->control_buffer;
	
	res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0xa1, 0xc0, 0x0001, index, buff, 1, 100);
	if (res < 0)
	{
		debug_error("zc0301_read_reg:res < 0\n");
		return -1;
	}
	return (int)(*buff);
}

int zc0301_i2c_read(struct zc0301_device *cam, u16 address, u8 length)
{
	int err = 0, res = 0, r0 = 0, r1 = 0;
	if (cam == NULL)
	{
		debug_error("zc0301_i2c_read:cam is null\n");
		return -ENODEV;
	}
	err += zc0301_write_reg(cam, 0x0092, address);
	err += zc0301_write_reg(cam, 0x0090,0x02);
	msleep(1);

	res = zc0301_read_reg(cam, 0x0091);
	if (res < 0)
		err += res;
	r0 = zc0301_read_reg(cam, 0x0095);
	if (r0 < 0)
		err += r0;
	r1 = zc0301_read_reg(cam, 0x0096);
	if (r1 < 0)
		err += r1;

	res = (length <= 1) ? r0:r0 | (r1 << 8);
	if (err)
	{
		debug_error("zc0301_i2c_read:read i2c failed\n");
		return -1;
	}
	return res;
}

int zc0301_i2c_write(struct zc0301_device *cam, u16 address, u16 value)
{
	int err = 0, res = 0;
	if (cam == NULL)
	{
		debug_error("zc0301_i2c_write:cam is null\n");
		return -ENODEV;
	}
	
	err += zc0301_write_reg(cam, 0x0092, address);
	err += zc0301_write_reg(cam, 0x0093, value & 0xff);
	err += zc0301_write_reg(cam, 0x0094, value >> 8);
	err += zc0301_write_reg(cam, 0x0090, 0x01);
	msleep(1);

	res = zc0301_read_reg(cam, 0x0091);
	if (res < 0)
		err += res;
	if (err)
	{
		debug_error("zc0301_i2c_write:write i2c failed\n");
		return -1;
	}
	return 0;
}

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

int zc0301_set_compression(struct zc0301_device *cam)
{
	int r = 0, err = 0;
	if (cam == NULL)
	{
		debug_error("zc0301_set_compression:cam is null\n");
		return -ENODEV;
	}
	//debug_param("%s\n", __FUNCTION__);
	if ((r = zc0301_read_reg(cam, 0x0008)) < 0)
		err += r;
	err += zc0301_write_reg(cam, 0x0008, r | 0x11 | 0);
	return err ? -EIO : 0;
}

int zc0301_pb0330_init(struct zc0301_device *cam)
{
	int err = 0;
	if (cam == NULL)
	{
		debug_error("zc0301_pb0330_init:cam is null\n");
		return -ENODEV;
	}
	//debug_param("%s\n", __FUNCTION__);
	err += zc0301_write_reg(cam, 0x0000, 0x01);
	err += zc0301_write_reg(cam, 0x0008, 0x03);
	err += zc0301_write_reg(cam, 0x0010, 0x0A);
	err += zc0301_write_reg(cam, 0x0002, 0x00);
	err += zc0301_write_reg(cam, 0x0003, 0x02);
	err += zc0301_write_reg(cam, 0x0004, 0x80);
	err += zc0301_write_reg(cam, 0x0005, 0x01);
	err += zc0301_write_reg(cam, 0x0006, 0xE0);
	err += zc0301_write_reg(cam, 0x0001, 0x01);
	err += zc0301_write_reg(cam, 0x0012, 0x05);
	err += zc0301_write_reg(cam, 0x0012, 0x07);
	err += zc0301_write_reg(cam, 0x0098, 0x00);
	err += zc0301_write_reg(cam, 0x009A, 0x00);
	err += zc0301_write_reg(cam, 0x011A, 0x00);
	err += zc0301_write_reg(cam, 0x011C, 0x00);
	err += zc0301_write_reg(cam, 0x0012, 0x05);

	err += zc0301_i2c_write(cam, 0x01, 0x0006);
	err += zc0301_i2c_write(cam, 0x02, 0x0011);
	err += zc0301_i2c_write(cam, 0x03, 0x01E7);
	err += zc0301_i2c_write(cam, 0x04, 0x0287);
	err += zc0301_i2c_write(cam, 0x06, 0x0003);
	err += zc0301_i2c_write(cam, 0x07, 0x3002);
	err += zc0301_i2c_write(cam, 0x20, 0x1100);
	err += zc0301_i2c_write(cam, 0x2F, 0xF7B0);
	err += zc0301_i2c_write(cam, 0x30, 0x0005);
	err += zc0301_i2c_write(cam, 0x31, 0x0000);
	err += zc0301_i2c_write(cam, 0x34, 0x0100);
	err += zc0301_i2c_write(cam, 0x35, 0x0060);
	err += zc0301_i2c_write(cam, 0x3D, 0x068F);
	err += zc0301_i2c_write(cam, 0x40, 0x01E0);
	err += zc0301_i2c_write(cam, 0x58, 0x0078);
	err += zc0301_i2c_write(cam, 0x62, 0x0411);

	err += zc0301_write_reg(cam, 0x0087, 0x10);
	err += zc0301_write_reg(cam, 0x0101, 0x37);
	err += zc0301_write_reg(cam, 0x0012, 0x05);
	err += zc0301_write_reg(cam, 0x0100, 0x0D);
	err += zc0301_write_reg(cam, 0x0189, 0x06);
	err += zc0301_write_reg(cam, 0x01AD, 0x00);
	err += zc0301_write_reg(cam, 0x01C5, 0x03);
	err += zc0301_write_reg(cam, 0x01CB, 0x13);
	err += zc0301_write_reg(cam, 0x0250, 0x08);
	err += zc0301_write_reg(cam, 0x0301, 0x08);
	err += zc0301_write_reg(cam, 0x01A8, 0x60);
	err += zc0301_write_reg(cam, 0x018D, 0x6C);
	err += zc0301_write_reg(cam, 0x01AD, 0x09);
	err += zc0301_write_reg(cam, 0x01AE, 0x15);
	err += zc0301_write_reg(cam, 0x010A, 0x50);
	err += zc0301_write_reg(cam, 0x010B, 0xF8);
	err += zc0301_write_reg(cam, 0x010C, 0xF8);
	err += zc0301_write_reg(cam, 0x010D, 0xF8);
	err += zc0301_write_reg(cam, 0x010E, 0x50);
	err += zc0301_write_reg(cam, 0x010F, 0xF8);
	err += zc0301_write_reg(cam, 0x0110, 0xF8);
	err += zc0301_write_reg(cam, 0x0111, 0xF8);
	err += zc0301_write_reg(cam, 0x0112, 0x50);
	err += zc0301_write_reg(cam, 0x0008, 0x03);
	err += zc0301_write_reg(cam, 0x01C6, 0x08);
	err += zc0301_write_reg(cam, 0x01CB, 0x0F);
	err += zc0301_write_reg(cam, 0x010A, 0x50);
	err += zc0301_write_reg(cam, 0x010B, 0xF8);
	err += zc0301_write_reg(cam, 0x010C, 0xF8);
	err += zc0301_write_reg(cam, 0x010D, 0xF8);
	err += zc0301_write_reg(cam, 0x010E, 0x50);
	err += zc0301_write_reg(cam, 0x010F, 0xF8);
	err += zc0301_write_reg(cam, 0x0110, 0xF8);
	err += zc0301_write_reg(cam, 0x0111, 0xF8);
	err += zc0301_write_reg(cam, 0x0112, 0x50);
	err += zc0301_write_reg(cam, 0x0180, 0x00);
	err += zc0301_write_reg(cam, 0x0019, 0x00);

	err += zc0301_i2c_write(cam, 0x05, 0x0066);
	err += zc0301_i2c_write(cam, 0x09, 0x02B2);
	err += zc0301_i2c_write(cam, 0x10, 0x0002);

	err += zc0301_write_reg(cam, 0x011D, 0x60);
	err += zc0301_write_reg(cam, 0x0190, 0x00);
	err += zc0301_write_reg(cam, 0x0191, 0x07);
	err += zc0301_write_reg(cam, 0x0192, 0x8C);
	err += zc0301_write_reg(cam, 0x0195, 0x00);
	err += zc0301_write_reg(cam, 0x0196, 0x00);
	err += zc0301_write_reg(cam, 0x0197, 0x8A);
	err += zc0301_write_reg(cam, 0x018C, 0x10);
	err += zc0301_write_reg(cam, 0x018F, 0x20);
	err += zc0301_write_reg(cam, 0x01A9, 0x14);
	err += zc0301_write_reg(cam, 0x01AA, 0x24);
	err += zc0301_write_reg(cam, 0x001D, 0xD7);
	err += zc0301_write_reg(cam, 0x001E, 0xF0);
	err += zc0301_write_reg(cam, 0x001F, 0xF8);
	err += zc0301_write_reg(cam, 0x0020, 0xFF);
	err += zc0301_write_reg(cam, 0x01AD, 0x09);
	err += zc0301_write_reg(cam, 0x01AE, 0x15);
	err += zc0301_write_reg(cam, 0x0180, 0x40);
	err += zc0301_write_reg(cam, 0x0180, 0x42);

	msleep(100);

	return err;
}

int zc0301_pb0330_probe(struct zc0301_device *cam)
{
	int r0 = 0, err = 0;
	if (cam == NULL)
	{
		debug_error("zc0301_pb0330_probe:cam is null\n");
		return -ENODEV;
	}
	//debug_param("%s\n", __FUNCTION__);
	err += zc0301_write_reg(cam, 0x0000, 0x01);
	err += zc0301_write_reg(cam, 0x0010, 0x0a);
	err += zc0301_write_reg(cam, 0x0001, 0x01);
	err += zc0301_write_reg(cam, 0x0012, 0x03);
	err += zc0301_write_reg(cam, 0x0012, 0x01);
	msleep(10);

	r0 = zc0301_i2c_read(cam, 0x00, 2);
	if (r0 < 0 || err)
		return -EIO;
	if (r0 != 0x8243)
		return -ENODEV;
	return 0;
}

EXPORT_SYMBOL(zc0301_set_compression);
EXPORT_SYMBOL(zc0301_pb0330_init);
EXPORT_SYMBOL(zc0301_pb0330_probe);