/***************************************************************************
* Plug-in for TAS5130D1B image sensor connected to the ET61X[12]51 *
* PC Camera Controllers *
* *
* Copyright (C) 2006 by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* 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 "et61x251_sensor.h"
static int tas5130d1b_init(struct et61x251_device* cam)
{
int err = 0;
err += et61x251_write_reg(cam, 0x14, 0x01);
err += et61x251_write_reg(cam, 0x1b, 0x02);
err += et61x251_write_reg(cam, 0x02, 0x12);
err += et61x251_write_reg(cam, 0x0e, 0x60);
err += et61x251_write_reg(cam, 0x80, 0x61);
err += et61x251_write_reg(cam, 0xf0, 0x62);
err += et61x251_write_reg(cam, 0x03, 0x63);
err += et61x251_write_reg(cam, 0x14, 0x64);
err += et61x251_write_reg(cam, 0xf4, 0x65);
err += et61x251_write_reg(cam, 0x01, 0x66);
err += et61x251_write_reg(cam, 0x05, 0x67);
err += et61x251_write_reg(cam, 0x8f, 0x68);
err += et61x251_write_reg(cam, 0x0f, 0x8d);
err += et61x251_write_reg(cam, 0x08, 0x8e);
return err;
}
static int tas5130d1b_set_ctrl(struct et61x251_device* cam,
const struct v4l2_control* ctrl)
{
int err = 0;
switch (ctrl->id) {
case V4L2_CID_GAIN:
err += et61x251_i2c_raw_write(cam, 2, 0x20,
0xf6-ctrl->value, 0, 0, 0,
0, 0, 0, 0);
break;
case V4L2_CID_EXPOSURE:
err += et61x251_i2c_raw_write(cam, 2, 0x40,
0x47-ctrl->value, 0, 0, 0,
0, 0, 0, 0);
break;
default:
return -EINVAL;
}
return err ? -EIO : 0;
}
static struct et61x251_sensor tas5130d1b = {
.name = "TAS5130D1B",
.interface = ET61X251_I2C_3WIRES,
.rsta = ET61X251_I2C_RSTA_STOP,
.active_pixel = {
.left = 106,
.top = 13,
},
.init = &tas5130d1b_init,
.qctrl = {
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "global gain",
.minimum = 0x00,
.maximum = 0xf6,
.step = 0x02,
.default_value = 0x0d,
.flags = 0,
},
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "exposure",
.minimum = 0x00,
.maximum = 0x47,
.step = 0x01,
.default_value = 0x23,
.flags = 0,
},
},
.set_ctrl = &tas5130d1b_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_SBGGR8,
.priv = 8,
},
};
int et61x251_probe_tas5130d1b(struct et61x251_device* cam)
{
/* This sensor has no identifiers, so let's attach it anyway */
et61x251_attach_sensor(cam, &tas5130d1b);
/* Sensor detection is based on USB pid/vid */
if (le16_to_cpu(tas5130d1b.usbdev->descriptor.idProduct) != 0x6251)
return -ENODEV;
return 0;
}
