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/***************************************************************************
* 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 = 8,
},
};
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;
}
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