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* Plug-in for HV7131R image sensor connected to the SN9C1xx PC Camera *
* Controllers *
* *
* Copyright (C) 2007 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 "sn9c102_sensor.h"
#include "sn9c102_devtable.h"
static int hv7131r_init(struct sn9c102_device* cam)
{
int err = 0;
switch (sn9c102_get_bridge(cam)) {
case BRIDGE_SN9C103:
err = sn9c102_write_const_regs(cam, {0x00, 0x03}, {0x1a, 0x04},
{0x20, 0x05}, {0x20, 0x06},
{0x03, 0x10}, {0x00, 0x14},
{0x60, 0x17}, {0x0a, 0x18},
{0xf0, 0x19}, {0x1d, 0x1a},
{0x10, 0x1b}, {0x02, 0x1c},
{0x03, 0x1d}, {0x0f, 0x1e},
{0x0c, 0x1f}, {0x00, 0x20},
{0x10, 0x21}, {0x20, 0x22},
{0x30, 0x23}, {0x40, 0x24},
{0x50, 0x25}, {0x60, 0x26},
{0x70, 0x27}, {0x80, 0x28},
{0x90, 0x29}, {0xa0, 0x2a},
{0xb0, 0x2b}, {0xc0, 0x2c},
{0xd0, 0x2d}, {0xe0, 0x2e},
{0xf0, 0x2f}, {0xff, 0x30});
break;
case BRIDGE_SN9C105:
case BRIDGE_SN9C120:
err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
{0x00, 0x03}, {0x1a, 0x04},
{0x44, 0x05}, {0x3e, 0x06},
{0x1a, 0x07}, {0x03, 0x10},
{0x08, 0x14}, {0xa3, 0x17},
{0x4b, 0x18}, {0x00, 0x19},
{0x1d, 0x1a}, {0x10, 0x1b},
{0x02, 0x1c}, {0x03, 0x1d},
{0x0f, 0x1e}, {0x0c, 0x1f},
{0x00, 0x20}, {0x29, 0x21},
{0x40, 0x22}, {0x54, 0x23},
{0x66, 0x24}, {0x76, 0x25},
{0x85, 0x26}, {0x94, 0x27},
{0xa1, 0x28}, {0xae, 0x29},
{0xbb, 0x2a}, {0xc7, 0x2b},
{0xd3, 0x2c}, {0xde, 0x2d},
{0xea, 0x2e}, {0xf4, 0x2f},
{0xff, 0x30}, {0x00, 0x3F},
{0xC7, 0x40}, {0x01, 0x41},
{0x44, 0x42}, {0x00, 0x43},
{0x44, 0x44}, {0x00, 0x45},
{0x44, 0x46}, {0x00, 0x47},
{0xC7, 0x48}, {0x01, 0x49},
{0xC7, 0x4A}, {0x01, 0x4B},
{0xC7, 0x4C}, {0x01, 0x4D},
{0x44, 0x4E}, {0x00, 0x4F},
{0x44, 0x50}, {0x00, 0x51},
{0x44, 0x52}, {0x00, 0x53},
{0xC7, 0x54}, {0x01, 0x55},
{0xC7, 0x56}, {0x01, 0x57},
{0xC7, 0x58}, {0x01, 0x59},
{0x44, 0x5A}, {0x00, 0x5B},
{0x44, 0x5C}, {0x00, 0x5D},
{0x44, 0x5E}, {0x00, 0x5F},
{0xC7, 0x60}, {0x01, 0x61},
{0xC7, 0x62}, {0x01, 0x63},
{0xC7, 0x64}, {0x01, 0x65},
{0x44, 0x66}, {0x00, 0x67},
{0x44, 0x68}, {0x00, 0x69},
{0x44, 0x6A}, {0x00, 0x6B},
{0xC7, 0x6C}, {0x01, 0x6D},
{0xC7, 0x6E}, {0x01, 0x6F},
{0xC7, 0x70}, {0x01, 0x71},
{0x44, 0x72}, {0x00, 0x73},
{0x44, 0x74}, {0x00, 0x75},
{0x44, 0x76}, {0x00, 0x77},
{0xC7, 0x78}, {0x01, 0x79},
{0xC7, 0x7A}, {0x01, 0x7B},
{0xC7, 0x7C}, {0x01, 0x7D},
{0x44, 0x7E}, {0x00, 0x7F},
{0x14, 0x84}, {0x00, 0x85},
{0x27, 0x86}, {0x00, 0x87},
{0x07, 0x88}, {0x00, 0x89},
{0xEC, 0x8A}, {0x0f, 0x8B},
{0xD8, 0x8C}, {0x0f, 0x8D},
{0x3D, 0x8E}, {0x00, 0x8F},
{0x3D, 0x90}, {0x00, 0x91},
{0xCD, 0x92}, {0x0f, 0x93},
{0xf7, 0x94}, {0x0f, 0x95},
{0x0C, 0x96}, {0x00, 0x97},
{0x00, 0x98}, {0x66, 0x99},
{0x05, 0x9A}, {0x00, 0x9B},
{0x04, 0x9C}, {0x00, 0x9D},
{0x08, 0x9E}, {0x00, 0x9F},
{0x2D, 0xC0}, {0x2D, 0xC1},
{0x3A, 0xC2}, {0x05, 0xC3},
{0x04, 0xC4}, {0x3F, 0xC5},
{0x00, 0xC6}, {0x00, 0xC7},
{0x50, 0xC8}, {0x3C, 0xC9},
{0x28, 0xCA}, {0xD8, 0xCB},
{0x14, 0xCC}, {0xEC, 0xCD},
{0x32, 0xCE}, {0xDD, 0xCF},
{0x32, 0xD0}, {0xDD, 0xD1},
{0x6A, 0xD2}, {0x50, 0xD3},
{0x00, 0xD4}, {0x00, 0xD5},
{0x00, 0xD6});
break;
default:
break;
}
err += sn9c102_i2c_write(cam, 0x20, 0x00);
err += sn9c102_i2c_write(cam, 0x21, 0xd6);
err += sn9c102_i2c_write(cam, 0x25, 0x06);
return err;
}
static int hv7131r_get_ctrl(struct sn9c102_device* cam,
struct v4l2_control* ctrl)
{
switch (ctrl->id) {
case V4L2_CID_GAIN:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x30)) < 0)
return -EIO;
return 0;
case V4L2_CID_RED_BALANCE:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x31)) < 0)
return -EIO;
ctrl->value = ctrl->value & 0x3f;
return 0;
case V4L2_CID_BLUE_BALANCE:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x33)) < 0)
return -EIO;
ctrl->value = ctrl->value & 0x3f;
return 0;
case SN9C102_V4L2_CID_GREEN_BALANCE:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x32)) < 0)
return -EIO;
ctrl->value = ctrl->value & 0x3f;
return 0;
case V4L2_CID_BLACK_LEVEL:
if ((ctrl->value = sn9c102_i2c_read(cam, 0x01)) < 0)
return -EIO;
ctrl->value = (ctrl->value & 0x08) ? 1 : 0;
return 0;
default:
return -EINVAL;
}
}
static int hv7131r_set_ctrl(struct sn9c102_device* cam,
const struct v4l2_control* ctrl)
{
int err = 0;
switch (ctrl->id) {
case V4L2_CID_GAIN:
err += sn9c102_i2c_write(cam, 0x30, ctrl->value);
break;
case V4L2_CID_RED_BALANCE:
err += sn9c102_i2c_write(cam, 0x31, ctrl->value);
break;
case V4L2_CID_BLUE_BALANCE:
err += sn9c102_i2c_write(cam, 0x33, ctrl->value);
break;
case SN9C102_V4L2_CID_GREEN_BALANCE:
err += sn9c102_i2c_write(cam, 0x32, ctrl->value);
break;
case V4L2_CID_BLACK_LEVEL:
{
int r = sn9c102_i2c_read(cam, 0x01);
if (r < 0)
return -EIO;
err += sn9c102_i2c_write(cam, 0x01,
(ctrl->value<<3) | (r&0xf7));
}
break;
default:
return -EINVAL;
}
return err ? -EIO : 0;
}
static int hv7131r_set_crop(struct sn9c102_device* cam,
const struct v4l2_rect* rect)
{
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
int err = 0;
u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1,
v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
err += sn9c102_write_reg(cam, h_start, 0x12);
err += sn9c102_write_reg(cam, v_start, 0x13);
return err;
}
static int hv7131r_set_pix_format(struct sn9c102_device* cam,
const struct v4l2_pix_format* pix)
{
int err = 0;
switch (sn9c102_get_bridge(cam)) {
case BRIDGE_SN9C103:
if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
err += sn9c102_write_reg(cam, 0xa0, 0x19);
err += sn9c102_i2c_write(cam, 0x01, 0x04);
} else {
err += sn9c102_write_reg(cam, 0x30, 0x19);
err += sn9c102_i2c_write(cam, 0x01, 0x04);
}
break;
case BRIDGE_SN9C105:
case BRIDGE_SN9C120:
if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
err += sn9c102_write_reg(cam, 0xa5, 0x17);
err += sn9c102_i2c_write(cam, 0x01, 0x24);
} else {
err += sn9c102_write_reg(cam, 0xa3, 0x17);
err += sn9c102_i2c_write(cam, 0x01, 0x04);
}
break;
default:
break;
}
return err;
}
static const struct sn9c102_sensor hv7131r = {
.name = "HV7131R",
.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
.supported_bridge = BRIDGE_SN9C103 | BRIDGE_SN9C105 | BRIDGE_SN9C120,
.sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
.frequency = SN9C102_I2C_100KHZ,
.interface = SN9C102_I2C_2WIRES,
.i2c_slave_id = 0x11,
.init = &hv7131r_init,
.qctrl = {
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "global gain",
.minimum = 0x00,
.maximum = 0xff,
.step = 0x01,
.default_value = 0x40,
.flags = 0,
},
{
.id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "red balance",
.minimum = 0x00,
.maximum = 0x3f,
.step = 0x01,
.default_value = 0x08,
.flags = 0,
},
{
.id = V4L2_CID_BLUE_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "blue balance",
.minimum = 0x00,
.maximum = 0x3f,
.step = 0x01,
.default_value = 0x1a,
.flags = 0,
},
{
.id = SN9C102_V4L2_CID_GREEN_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "green balance",
.minimum = 0x00,
.maximum = 0x3f,
.step = 0x01,
.default_value = 0x2f,
.flags = 0,
},
{
.id = V4L2_CID_BLACK_LEVEL,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "auto black level compensation",
.minimum = 0x00,
.maximum = 0x01,
.step = 0x01,
.default_value = 0x00,
.flags = 0,
},
},
.get_ctrl = &hv7131r_get_ctrl,
.set_ctrl = &hv7131r_set_ctrl,
.cropcap = {
.bounds = {
.left = 0,
.top = 0,
.width = 640,
.height = 480,
},
.defrect = {
.left = 0,
.top = 0,
.width = 640,
.height = 480,
},
},
.set_crop = &hv7131r_set_crop,
.pix_format = {
.width = 640,
.height = 480,
.pixelformat = V4L2_PIX_FMT_SBGGR8,
.priv = 8,
},
.set_pix_format = &hv7131r_set_pix_format
};
int sn9c102_probe_hv7131r(struct sn9c102_device* cam)
{
int devid, err;
err = sn9c102_write_const_regs(cam, {0x09, 0x01}, {0x44, 0x02},
{0x34, 0x01}, {0x20, 0x17},
{0x34, 0x01}, {0x46, 0x01});
devid = sn9c102_i2c_try_read(cam, &hv7131r, 0x00);
if (err || devid < 0)
return -EIO;
if (devid != 0x02)
return -ENODEV;
sn9c102_attach_sensor(cam, &hv7131r);
return 0;
}
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