drivers/usb/media/zc0301_pas202bcb.c - kernel/msm-4.19 - Gitiles

 /***************************************************************************
  * Plug-in for PAS202BCB image sensor connected to the ZC030! Image        *
  * Processor and Control Chip                                              *
  *                                                                         *
  * Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it>       *
  *                                                                         *
  * Initialization values of the ZC0301 have been taken from the SPCA5XX    *
  * driver maintained by Michel Xhaard <mxhaard@magic.fr>                   *
  *                                                                         *
  * This program is free software; you can redistribute it and/or modify    *
  * it under the terms of the GNU General Public License as published by    *
  * the Free Software Foundation; either version 2 of the License, or       *
  * (at your option) any later version.                                     *
  *                                                                         *
  * This program is distributed in the hope that it will be useful,         *
  * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  * GNU General Public License for more details.                            *
  *                                                                         *
  * You should have received a copy of the GNU General Public License       *
  * along with this program; if not, write to the Free Software             *
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
  ***************************************************************************/

 #include <linux/delay.h>
 #include "zc0301_sensor.h"


 static struct zc0301_sensor pas202bcb;


 static int pas202bcb_init(struct zc0301_device* cam)
 {
 	int err = 0;

 	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, 0x0098, 0x00);
 	err += zc0301_write_reg(cam, 0x009A, 0x03);
 	err += zc0301_write_reg(cam, 0x011A, 0x00);
 	err += zc0301_write_reg(cam, 0x011C, 0x03);
 	err += zc0301_write_reg(cam, 0x009B, 0x01);
 	err += zc0301_write_reg(cam, 0x009C, 0xE6);
 	err += zc0301_write_reg(cam, 0x009D, 0x02);
 	err += zc0301_write_reg(cam, 0x009E, 0x86);

 	err += zc0301_i2c_write(cam, 0x02, 0x02);
 	err += zc0301_i2c_write(cam, 0x0A, 0x01);
 	err += zc0301_i2c_write(cam, 0x0B, 0x01);
 	err += zc0301_i2c_write(cam, 0x0D, 0x00);
 	err += zc0301_i2c_write(cam, 0x12, 0x05);
 	err += zc0301_i2c_write(cam, 0x13, 0x63);
 	err += zc0301_i2c_write(cam, 0x15, 0x70);

 	err += zc0301_write_reg(cam, 0x0101, 0xB7);
 	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, 0x018D, 0x70);
 	err += zc0301_write_reg(cam, 0x0008, 0x03);
 	err += zc0301_write_reg(cam, 0x01C6, 0x04);
 	err += zc0301_write_reg(cam, 0x01CB, 0x07);
 	err += zc0301_write_reg(cam, 0x0120, 0x11);
 	err += zc0301_write_reg(cam, 0x0121, 0x37);
 	err += zc0301_write_reg(cam, 0x0122, 0x58);
 	err += zc0301_write_reg(cam, 0x0123, 0x79);
 	err += zc0301_write_reg(cam, 0x0124, 0x91);
 	err += zc0301_write_reg(cam, 0x0125, 0xA6);
 	err += zc0301_write_reg(cam, 0x0126, 0xB8);
 	err += zc0301_write_reg(cam, 0x0127, 0xC7);
 	err += zc0301_write_reg(cam, 0x0128, 0xD3);
 	err += zc0301_write_reg(cam, 0x0129, 0xDE);
 	err += zc0301_write_reg(cam, 0x012A, 0xE6);
 	err += zc0301_write_reg(cam, 0x012B, 0xED);
 	err += zc0301_write_reg(cam, 0x012C, 0xF3);
 	err += zc0301_write_reg(cam, 0x012D, 0xF8);
 	err += zc0301_write_reg(cam, 0x012E, 0xFB);
 	err += zc0301_write_reg(cam, 0x012F, 0xFF);
 	err += zc0301_write_reg(cam, 0x0130, 0x26);
 	err += zc0301_write_reg(cam, 0x0131, 0x23);
 	err += zc0301_write_reg(cam, 0x0132, 0x20);
 	err += zc0301_write_reg(cam, 0x0133, 0x1C);
 	err += zc0301_write_reg(cam, 0x0134, 0x16);
 	err += zc0301_write_reg(cam, 0x0135, 0x13);
 	err += zc0301_write_reg(cam, 0x0136, 0x10);
 	err += zc0301_write_reg(cam, 0x0137, 0x0D);
 	err += zc0301_write_reg(cam, 0x0138, 0x0B);
 	err += zc0301_write_reg(cam, 0x0139, 0x09);
 	err += zc0301_write_reg(cam, 0x013A, 0x07);
 	err += zc0301_write_reg(cam, 0x013B, 0x06);
 	err += zc0301_write_reg(cam, 0x013C, 0x05);
 	err += zc0301_write_reg(cam, 0x013D, 0x04);
 	err += zc0301_write_reg(cam, 0x013E, 0x03);
 	err += zc0301_write_reg(cam, 0x013F, 0x02);
 	err += zc0301_write_reg(cam, 0x010A, 0x4C);
 	err += zc0301_write_reg(cam, 0x010B, 0xF5);
 	err += zc0301_write_reg(cam, 0x010C, 0xFF);
 	err += zc0301_write_reg(cam, 0x010D, 0xF9);
 	err += zc0301_write_reg(cam, 0x010E, 0x51);
 	err += zc0301_write_reg(cam, 0x010F, 0xF5);
 	err += zc0301_write_reg(cam, 0x0110, 0xFB);
 	err += zc0301_write_reg(cam, 0x0111, 0xED);
 	err += zc0301_write_reg(cam, 0x0112, 0x5F);
 	err += zc0301_write_reg(cam, 0x0180, 0x00);
 	err += zc0301_write_reg(cam, 0x0019, 0x00);
 	err += zc0301_write_reg(cam, 0x0087, 0x20);
 	err += zc0301_write_reg(cam, 0x0088, 0x21);

 	err += zc0301_i2c_write(cam, 0x20, 0x02);
 	err += zc0301_i2c_write(cam, 0x21, 0x1B);
 	err += zc0301_i2c_write(cam, 0x03, 0x44);
 	err += zc0301_i2c_write(cam, 0x0E, 0x01);
 	err += zc0301_i2c_write(cam, 0x0F, 0x00);

 	err += zc0301_write_reg(cam, 0x01A9, 0x14);
 	err += zc0301_write_reg(cam, 0x01AA, 0x24);
 	err += zc0301_write_reg(cam, 0x0190, 0x00);
 	err += zc0301_write_reg(cam, 0x0191, 0x02);
 	err += zc0301_write_reg(cam, 0x0192, 0x1B);
 	err += zc0301_write_reg(cam, 0x0195, 0x00);
 	err += zc0301_write_reg(cam, 0x0196, 0x00);
 	err += zc0301_write_reg(cam, 0x0197, 0x4D);
 	err += zc0301_write_reg(cam, 0x018C, 0x10);
 	err += zc0301_write_reg(cam, 0x018F, 0x20);
 	err += zc0301_write_reg(cam, 0x001D, 0x44);
 	err += zc0301_write_reg(cam, 0x001E, 0x6F);
 	err += zc0301_write_reg(cam, 0x001F, 0xAD);
 	err += zc0301_write_reg(cam, 0x0020, 0xEB);
 	err += zc0301_write_reg(cam, 0x0087, 0x0F);
 	err += zc0301_write_reg(cam, 0x0088, 0x0E);
 	err += zc0301_write_reg(cam, 0x0180, 0x40);
 	err += zc0301_write_reg(cam, 0x0192, 0x1B);
 	err += zc0301_write_reg(cam, 0x0191, 0x02);
 	err += zc0301_write_reg(cam, 0x0190, 0x00);
 	err += zc0301_write_reg(cam, 0x0116, 0x1D);
 	err += zc0301_write_reg(cam, 0x0117, 0x40);
 	err += zc0301_write_reg(cam, 0x0118, 0x99);
 	err += zc0301_write_reg(cam, 0x0180, 0x42);
 	err += zc0301_write_reg(cam, 0x0116, 0x1D);
 	err += zc0301_write_reg(cam, 0x0117, 0x40);
 	err += zc0301_write_reg(cam, 0x0118, 0x99);
 	err += zc0301_write_reg(cam, 0x0007, 0x00);

 	err += zc0301_i2c_write(cam, 0x11, 0x01);

 	msleep(100);

 	return err;
 }


 static int pas202bcb_get_ctrl(struct zc0301_device* cam,
                               struct v4l2_control* ctrl)
 {
 	switch (ctrl->id) {
 	case V4L2_CID_EXPOSURE:
 		{
 			int r1 = zc0301_i2c_read(cam, 0x04, 1),
 			    r2 = zc0301_i2c_read(cam, 0x05, 1);
 			if (r1 < 0 || r2 < 0)
 				return -EIO;
 			ctrl->value = (r1 << 6) | (r2 & 0x3f);
 		}
 		return 0;
 	case V4L2_CID_RED_BALANCE:
 		if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0)
 			return -EIO;
 		ctrl->value &= 0x0f;
 		return 0;
 	case V4L2_CID_BLUE_BALANCE:
 		if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0)
 			return -EIO;
 		ctrl->value &= 0x0f;
 		return 0;
 	case V4L2_CID_GAIN:
 		if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0)
 			return -EIO;
 		ctrl->value &= 0x1f;
 		return 0;
 	case ZC0301_V4L2_CID_GREEN_BALANCE:
 		if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0)
 			return -EIO;
 		ctrl->value &= 0x0f;
 		return 0;
 	case ZC0301_V4L2_CID_DAC_MAGNITUDE:
 		if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0)
 			return -EIO;
 		return 0;
 	default:
 		return -EINVAL;
 	}
 }


 static int pas202bcb_set_ctrl(struct zc0301_device* cam,
                               const struct v4l2_control* ctrl)
 {
 	int err = 0;

 	switch (ctrl->id) {
 	case V4L2_CID_EXPOSURE:
 		err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6);
 		err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f);
 		break;
 	case V4L2_CID_RED_BALANCE:
 		err += zc0301_i2c_write(cam, 0x09, ctrl->value);
 		break;
 	case V4L2_CID_BLUE_BALANCE:
 		err += zc0301_i2c_write(cam, 0x07, ctrl->value);
 		break;
 	case V4L2_CID_GAIN:
 		err += zc0301_i2c_write(cam, 0x10, ctrl->value);
 		break;
 	case ZC0301_V4L2_CID_GREEN_BALANCE:
 		err += zc0301_i2c_write(cam, 0x08, ctrl->value);
 		break;
 	case ZC0301_V4L2_CID_DAC_MAGNITUDE:
 		err += zc0301_i2c_write(cam, 0x0c, ctrl->value);
 		break;
 	default:
 		return -EINVAL;
 	}
 	err += zc0301_i2c_write(cam, 0x11, 0x01);

 	return err ? -EIO : 0;
 }


 static struct zc0301_sensor pas202bcb = {
 	.name = "PAS202BCB",
 	.init = &pas202bcb_init,
 	.qctrl = {
 		{
 			.id = V4L2_CID_EXPOSURE,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "exposure",
 			.minimum = 0x01e5,
 			.maximum = 0x3fff,
 			.step = 0x0001,
 			.default_value = 0x01e5,
 			.flags = 0,
 		},
 		{
 			.id = V4L2_CID_GAIN,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "global gain",
 			.minimum = 0x00,
 			.maximum = 0x1f,
 			.step = 0x01,
 			.default_value = 0x0c,
 			.flags = 0,
 		},
 		{
 			.id = V4L2_CID_RED_BALANCE,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "red balance",
 			.minimum = 0x00,
 			.maximum = 0x0f,
 			.step = 0x01,
 			.default_value = 0x01,
 			.flags = 0,
 		},
 		{
 			.id = V4L2_CID_BLUE_BALANCE,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "blue balance",
 			.minimum = 0x00,
 			.maximum = 0x0f,
 			.step = 0x01,
 			.default_value = 0x05,
 			.flags = 0,
 		},
 		{
 			.id = ZC0301_V4L2_CID_GREEN_BALANCE,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "green balance",
 			.minimum = 0x00,
 			.maximum = 0x0f,
 			.step = 0x01,
 			.default_value = 0x00,
 			.flags = 0,
 		},
 		{
 			.id = ZC0301_V4L2_CID_DAC_MAGNITUDE,
 			.type = V4L2_CTRL_TYPE_INTEGER,
 			.name = "DAC magnitude",
 			.minimum = 0x00,
 			.maximum = 0xff,
 			.step = 0x01,
 			.default_value = 0x04,
 			.flags = 0,
 		},
 	},
 	.get_ctrl = &pas202bcb_get_ctrl,
 	.set_ctrl = &pas202bcb_set_ctrl,
 	.cropcap = {
 		.bounds = {
 			.left = 0,
 			.top = 0,
 			.width = 640,
 			.height = 480,
 		},
 		.defrect = {
 			.left = 0,
 			.top = 0,
 			.width = 640,
 			.height = 480,
 		},
 	},
 	.pix_format = {
 		.width = 640,
 		.height = 480,
 		.pixelformat = V4L2_PIX_FMT_JPEG,
 		.priv = 16,
 	},
 };


 int zc0301_probe_pas202bcb(struct zc0301_device* cam)
 {
 	int r0 = 0, r1 = 0, err = 0;
 	unsigned int pid = 0;

 	err += zc0301_write_reg(cam, 0x0000, 0x01);
 	err += zc0301_write_reg(cam, 0x0010, 0x0e);
 	err += zc0301_write_reg(cam, 0x0001, 0x01);
 	err += zc0301_write_reg(cam, 0x0012, 0x03);
 	err += zc0301_write_reg(cam, 0x0012, 0x01);
 	err += zc0301_write_reg(cam, 0x008d, 0x08);

 	msleep(10);

 	r0 = zc0301_i2c_read(cam, 0x00, 1);
 	r1 = zc0301_i2c_read(cam, 0x01, 1);

 	if (r0 < 0 || r1 < 0 || err)
 		return -EIO;

 	pid = (r0 << 4) | ((r1 & 0xf0) >> 4);
 	if (pid != 0x017)
 		return -ENODEV;

 	zc0301_attach_sensor(cam, &pas202bcb);

 	return 0;
 }
	/***************************************************************************
	* Plug-in for PAS202BCB image sensor connected to the ZC030! Image *
	* Processor and Control Chip *
	* *
	* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
	* *
	* Initialization values of the ZC0301 have been taken from the SPCA5XX *
	* driver maintained by Michel Xhaard <mxhaard@magic.fr> *
	* *
	* This program is free software; you can redistribute it and/or modify *
	* it under the terms of the GNU General Public License as published by *
	* the Free Software Foundation; either version 2 of the License, or *
	* (at your option) any later version. *
	* *
	* This program is distributed in the hope that it will be useful, *
	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
	* GNU General Public License for more details. *
	* *
	* You should have received a copy of the GNU General Public License *
	* along with this program; if not, write to the Free Software *
	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
	***************************************************************************/

	#include <linux/delay.h>
	#include "zc0301_sensor.h"


	static struct zc0301_sensor pas202bcb;


	static int pas202bcb_init(struct zc0301_device* cam)
	{
	int err = 0;

	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, 0x0098, 0x00);
	err += zc0301_write_reg(cam, 0x009A, 0x03);
	err += zc0301_write_reg(cam, 0x011A, 0x00);
	err += zc0301_write_reg(cam, 0x011C, 0x03);
	err += zc0301_write_reg(cam, 0x009B, 0x01);
	err += zc0301_write_reg(cam, 0x009C, 0xE6);
	err += zc0301_write_reg(cam, 0x009D, 0x02);
	err += zc0301_write_reg(cam, 0x009E, 0x86);

	err += zc0301_i2c_write(cam, 0x02, 0x02);
	err += zc0301_i2c_write(cam, 0x0A, 0x01);
	err += zc0301_i2c_write(cam, 0x0B, 0x01);
	err += zc0301_i2c_write(cam, 0x0D, 0x00);
	err += zc0301_i2c_write(cam, 0x12, 0x05);
	err += zc0301_i2c_write(cam, 0x13, 0x63);
	err += zc0301_i2c_write(cam, 0x15, 0x70);

	err += zc0301_write_reg(cam, 0x0101, 0xB7);
	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, 0x018D, 0x70);
	err += zc0301_write_reg(cam, 0x0008, 0x03);
	err += zc0301_write_reg(cam, 0x01C6, 0x04);
	err += zc0301_write_reg(cam, 0x01CB, 0x07);
	err += zc0301_write_reg(cam, 0x0120, 0x11);
	err += zc0301_write_reg(cam, 0x0121, 0x37);
	err += zc0301_write_reg(cam, 0x0122, 0x58);
	err += zc0301_write_reg(cam, 0x0123, 0x79);
	err += zc0301_write_reg(cam, 0x0124, 0x91);
	err += zc0301_write_reg(cam, 0x0125, 0xA6);
	err += zc0301_write_reg(cam, 0x0126, 0xB8);
	err += zc0301_write_reg(cam, 0x0127, 0xC7);
	err += zc0301_write_reg(cam, 0x0128, 0xD3);
	err += zc0301_write_reg(cam, 0x0129, 0xDE);
	err += zc0301_write_reg(cam, 0x012A, 0xE6);
	err += zc0301_write_reg(cam, 0x012B, 0xED);
	err += zc0301_write_reg(cam, 0x012C, 0xF3);
	err += zc0301_write_reg(cam, 0x012D, 0xF8);
	err += zc0301_write_reg(cam, 0x012E, 0xFB);
	err += zc0301_write_reg(cam, 0x012F, 0xFF);
	err += zc0301_write_reg(cam, 0x0130, 0x26);
	err += zc0301_write_reg(cam, 0x0131, 0x23);
	err += zc0301_write_reg(cam, 0x0132, 0x20);
	err += zc0301_write_reg(cam, 0x0133, 0x1C);
	err += zc0301_write_reg(cam, 0x0134, 0x16);
	err += zc0301_write_reg(cam, 0x0135, 0x13);
	err += zc0301_write_reg(cam, 0x0136, 0x10);
	err += zc0301_write_reg(cam, 0x0137, 0x0D);
	err += zc0301_write_reg(cam, 0x0138, 0x0B);
	err += zc0301_write_reg(cam, 0x0139, 0x09);
	err += zc0301_write_reg(cam, 0x013A, 0x07);
	err += zc0301_write_reg(cam, 0x013B, 0x06);
	err += zc0301_write_reg(cam, 0x013C, 0x05);
	err += zc0301_write_reg(cam, 0x013D, 0x04);
	err += zc0301_write_reg(cam, 0x013E, 0x03);
	err += zc0301_write_reg(cam, 0x013F, 0x02);
	err += zc0301_write_reg(cam, 0x010A, 0x4C);
	err += zc0301_write_reg(cam, 0x010B, 0xF5);
	err += zc0301_write_reg(cam, 0x010C, 0xFF);
	err += zc0301_write_reg(cam, 0x010D, 0xF9);
	err += zc0301_write_reg(cam, 0x010E, 0x51);
	err += zc0301_write_reg(cam, 0x010F, 0xF5);
	err += zc0301_write_reg(cam, 0x0110, 0xFB);
	err += zc0301_write_reg(cam, 0x0111, 0xED);
	err += zc0301_write_reg(cam, 0x0112, 0x5F);
	err += zc0301_write_reg(cam, 0x0180, 0x00);
	err += zc0301_write_reg(cam, 0x0019, 0x00);
	err += zc0301_write_reg(cam, 0x0087, 0x20);
	err += zc0301_write_reg(cam, 0x0088, 0x21);

	err += zc0301_i2c_write(cam, 0x20, 0x02);
	err += zc0301_i2c_write(cam, 0x21, 0x1B);
	err += zc0301_i2c_write(cam, 0x03, 0x44);
	err += zc0301_i2c_write(cam, 0x0E, 0x01);
	err += zc0301_i2c_write(cam, 0x0F, 0x00);

	err += zc0301_write_reg(cam, 0x01A9, 0x14);
	err += zc0301_write_reg(cam, 0x01AA, 0x24);
	err += zc0301_write_reg(cam, 0x0190, 0x00);
	err += zc0301_write_reg(cam, 0x0191, 0x02);
	err += zc0301_write_reg(cam, 0x0192, 0x1B);
	err += zc0301_write_reg(cam, 0x0195, 0x00);
	err += zc0301_write_reg(cam, 0x0196, 0x00);
	err += zc0301_write_reg(cam, 0x0197, 0x4D);
	err += zc0301_write_reg(cam, 0x018C, 0x10);
	err += zc0301_write_reg(cam, 0x018F, 0x20);
	err += zc0301_write_reg(cam, 0x001D, 0x44);
	err += zc0301_write_reg(cam, 0x001E, 0x6F);
	err += zc0301_write_reg(cam, 0x001F, 0xAD);
	err += zc0301_write_reg(cam, 0x0020, 0xEB);
	err += zc0301_write_reg(cam, 0x0087, 0x0F);
	err += zc0301_write_reg(cam, 0x0088, 0x0E);
	err += zc0301_write_reg(cam, 0x0180, 0x40);
	err += zc0301_write_reg(cam, 0x0192, 0x1B);
	err += zc0301_write_reg(cam, 0x0191, 0x02);
	err += zc0301_write_reg(cam, 0x0190, 0x00);
	err += zc0301_write_reg(cam, 0x0116, 0x1D);
	err += zc0301_write_reg(cam, 0x0117, 0x40);
	err += zc0301_write_reg(cam, 0x0118, 0x99);
	err += zc0301_write_reg(cam, 0x0180, 0x42);
	err += zc0301_write_reg(cam, 0x0116, 0x1D);
	err += zc0301_write_reg(cam, 0x0117, 0x40);
	err += zc0301_write_reg(cam, 0x0118, 0x99);
	err += zc0301_write_reg(cam, 0x0007, 0x00);

	err += zc0301_i2c_write(cam, 0x11, 0x01);

	msleep(100);

	return err;
	}


	static int pas202bcb_get_ctrl(struct zc0301_device* cam,
	struct v4l2_control* ctrl)
	{
	switch (ctrl->id) {
	case V4L2_CID_EXPOSURE:
	{
	int r1 = zc0301_i2c_read(cam, 0x04, 1),
	r2 = zc0301_i2c_read(cam, 0x05, 1);
	if (r1 < 0 \|\| r2 < 0)
	return -EIO;
	ctrl->value = (r1 << 6) \| (r2 & 0x3f);
	}
	return 0;
	case V4L2_CID_RED_BALANCE:
	if ((ctrl->value = zc0301_i2c_read(cam, 0x09, 1)) < 0)
	return -EIO;
	ctrl->value &= 0x0f;
	return 0;
	case V4L2_CID_BLUE_BALANCE:
	if ((ctrl->value = zc0301_i2c_read(cam, 0x07, 1)) < 0)
	return -EIO;
	ctrl->value &= 0x0f;
	return 0;
	case V4L2_CID_GAIN:
	if ((ctrl->value = zc0301_i2c_read(cam, 0x10, 1)) < 0)
	return -EIO;
	ctrl->value &= 0x1f;
	return 0;
	case ZC0301_V4L2_CID_GREEN_BALANCE:
	if ((ctrl->value = zc0301_i2c_read(cam, 0x08, 1)) < 0)
	return -EIO;
	ctrl->value &= 0x0f;
	return 0;
	case ZC0301_V4L2_CID_DAC_MAGNITUDE:
	if ((ctrl->value = zc0301_i2c_read(cam, 0x0c, 1)) < 0)
	return -EIO;
	return 0;
	default:
	return -EINVAL;
	}
	}


	static int pas202bcb_set_ctrl(struct zc0301_device* cam,
	const struct v4l2_control* ctrl)
	{
	int err = 0;

	switch (ctrl->id) {
	case V4L2_CID_EXPOSURE:
	err += zc0301_i2c_write(cam, 0x04, ctrl->value >> 6);
	err += zc0301_i2c_write(cam, 0x05, ctrl->value & 0x3f);
	break;
	case V4L2_CID_RED_BALANCE:
	err += zc0301_i2c_write(cam, 0x09, ctrl->value);
	break;
	case V4L2_CID_BLUE_BALANCE:
	err += zc0301_i2c_write(cam, 0x07, ctrl->value);
	break;
	case V4L2_CID_GAIN:
	err += zc0301_i2c_write(cam, 0x10, ctrl->value);
	break;
	case ZC0301_V4L2_CID_GREEN_BALANCE:
	err += zc0301_i2c_write(cam, 0x08, ctrl->value);
	break;
	case ZC0301_V4L2_CID_DAC_MAGNITUDE:
	err += zc0301_i2c_write(cam, 0x0c, ctrl->value);
	break;
	default:
	return -EINVAL;
	}
	err += zc0301_i2c_write(cam, 0x11, 0x01);

	return err ? -EIO : 0;
	}


	static struct zc0301_sensor pas202bcb = {
	.name = "PAS202BCB",
	.init = &pas202bcb_init,
	.qctrl = {
	{
	.id = V4L2_CID_EXPOSURE,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "exposure",
	.minimum = 0x01e5,
	.maximum = 0x3fff,
	.step = 0x0001,
	.default_value = 0x01e5,
	.flags = 0,
	},
	{
	.id = V4L2_CID_GAIN,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "global gain",
	.minimum = 0x00,
	.maximum = 0x1f,
	.step = 0x01,
	.default_value = 0x0c,
	.flags = 0,
	},
	{
	.id = V4L2_CID_RED_BALANCE,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "red balance",
	.minimum = 0x00,
	.maximum = 0x0f,
	.step = 0x01,
	.default_value = 0x01,
	.flags = 0,
	},
	{
	.id = V4L2_CID_BLUE_BALANCE,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "blue balance",
	.minimum = 0x00,
	.maximum = 0x0f,
	.step = 0x01,
	.default_value = 0x05,
	.flags = 0,
	},
	{
	.id = ZC0301_V4L2_CID_GREEN_BALANCE,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "green balance",
	.minimum = 0x00,
	.maximum = 0x0f,
	.step = 0x01,
	.default_value = 0x00,
	.flags = 0,
	},
	{
	.id = ZC0301_V4L2_CID_DAC_MAGNITUDE,
	.type = V4L2_CTRL_TYPE_INTEGER,
	.name = "DAC magnitude",
	.minimum = 0x00,
	.maximum = 0xff,
	.step = 0x01,
	.default_value = 0x04,
	.flags = 0,
	},
	},
	.get_ctrl = &pas202bcb_get_ctrl,
	.set_ctrl = &pas202bcb_set_ctrl,
	.cropcap = {
	.bounds = {
	.left = 0,
	.top = 0,
	.width = 640,
	.height = 480,
	},
	.defrect = {
	.left = 0,
	.top = 0,
	.width = 640,
	.height = 480,
	},
	},
	.pix_format = {
	.width = 640,
	.height = 480,
	.pixelformat = V4L2_PIX_FMT_JPEG,
	.priv = 16,
	},
	};


	int zc0301_probe_pas202bcb(struct zc0301_device* cam)
	{
	int r0 = 0, r1 = 0, err = 0;
	unsigned int pid = 0;

	err += zc0301_write_reg(cam, 0x0000, 0x01);
	err += zc0301_write_reg(cam, 0x0010, 0x0e);
	err += zc0301_write_reg(cam, 0x0001, 0x01);
	err += zc0301_write_reg(cam, 0x0012, 0x03);
	err += zc0301_write_reg(cam, 0x0012, 0x01);
	err += zc0301_write_reg(cam, 0x008d, 0x08);

	msleep(10);

	r0 = zc0301_i2c_read(cam, 0x00, 1);
	r1 = zc0301_i2c_read(cam, 0x01, 1);

	if (r0 < 0 \|\| r1 < 0 \|\| err)
	return -EIO;

	pid = (r0 << 4) \| ((r1 & 0xf0) >> 4);
	if (pid != 0x017)
	return -ENODEV;

	zc0301_attach_sensor(cam, &pas202bcb);

	return 0;
	}