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Luca Risolia
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Mauro Carvalho Chehab
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Jan 25, 2008
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refs/heads/master: 542794be2caf46b5fe95cbb7cd878d884597647e | ||
refs/heads/master: ddef2dcc4ead7a9412533202a42c40648e620f43 |
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/*************************************************************************** | ||
* Plug-in for MT9V111 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. * | ||
***************************************************************************/ | ||
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#include "sn9c102_sensor.h" | ||
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static int mt9v111_init(struct sn9c102_device *cam) | ||
{ | ||
struct sn9c102_sensor *s = sn9c102_get_sensor(cam); | ||
int err = 0; | ||
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err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02}, | ||
{0x00, 0x03}, {0x1a, 0x04}, | ||
{0x1f, 0x05}, {0x20, 0x06}, | ||
{0x1f, 0x07}, {0x81, 0x08}, | ||
{0x5c, 0x09}, {0x00, 0x0a}, | ||
{0x00, 0x0b}, {0x00, 0x0c}, | ||
{0x00, 0x0d}, {0x00, 0x0e}, | ||
{0x00, 0x0f}, {0x03, 0x10}, | ||
{0x00, 0x11}, {0x00, 0x12}, | ||
{0x02, 0x13}, {0x14, 0x14}, | ||
{0x28, 0x15}, {0x1e, 0x16}, | ||
{0xe2, 0x17}, {0x06, 0x18}, | ||
{0x00, 0x19}, {0x00, 0x1a}, | ||
{0x00, 0x1b}, {0x08, 0x20}, | ||
{0x39, 0x21}, {0x51, 0x22}, | ||
{0x63, 0x23}, {0x73, 0x24}, | ||
{0x82, 0x25}, {0x8f, 0x26}, | ||
{0x9b, 0x27}, {0xa7, 0x28}, | ||
{0xb1, 0x29}, {0xbc, 0x2a}, | ||
{0xc6, 0x2b}, {0xcf, 0x2c}, | ||
{0xd8, 0x2d}, {0xe1, 0x2e}, | ||
{0xea, 0x2f}, {0xf2, 0x30}, | ||
{0x13, 0x84}, {0x00, 0x85}, | ||
{0x25, 0x86}, {0x00, 0x87}, | ||
{0x07, 0x88}, {0x00, 0x89}, | ||
{0xee, 0x8a}, {0x0f, 0x8b}, | ||
{0xe5, 0x8c}, {0x0f, 0x8d}, | ||
{0x2e, 0x8e}, {0x00, 0x8f}, | ||
{0x30, 0x90}, {0x00, 0x91}, | ||
{0xd4, 0x92}, {0x0f, 0x93}, | ||
{0xfc, 0x94}, {0x0f, 0x95}, | ||
{0x14, 0x96}, {0x00, 0x97}, | ||
{0x00, 0x98}, {0x60, 0x99}, | ||
{0x07, 0x9a}, {0x40, 0x9b}, | ||
{0x20, 0x9c}, {0x00, 0x9d}, | ||
{0x00, 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}, | ||
{0x2d, 0xd0}, {0xdd, 0xd1}, | ||
{0x6a, 0xd2}, {0x50, 0xd3}, | ||
{0x60, 0xd4}, {0x00, 0xd5}, | ||
{0x00, 0xd6}); | ||
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err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, | ||
0x00, 0x01, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d, | ||
0x00, 0x01, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d, | ||
0x00, 0x00, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08, | ||
0x04, 0x80, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, | ||
0x00, 0x04, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x08, | ||
0x00, 0x08, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x02, | ||
0x00, 0x16, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03, | ||
0x01, 0xe7, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04, | ||
0x02, 0x87, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06, | ||
0x00, 0x40, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05, | ||
0x00, 0x09, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x07, | ||
0x30, 0x02, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0c, | ||
0x00, 0x00, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x12, | ||
0x00, 0xb0, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x13, | ||
0x00, 0x7c, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x1e, | ||
0x00, 0x00, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20, | ||
0x00, 0x00, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x20, | ||
0x00, 0x00, 0, 0); | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x01, | ||
0x00, 0x04, 0, 0); | ||
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return err; | ||
} | ||
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static int mt9v111_get_ctrl(struct sn9c102_device *cam, | ||
struct v4l2_control *ctrl) | ||
{ | ||
struct sn9c102_sensor *s = sn9c102_get_sensor(cam); | ||
u8 data[2]; | ||
int err = 0; | ||
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switch (ctrl->id) { | ||
case V4L2_CID_VFLIP: | ||
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2, | ||
data) < 0) | ||
return -EIO; | ||
ctrl->value = data[1] & 0x80 ? 1 : 0; | ||
return 0; | ||
default: | ||
return -EINVAL; | ||
} | ||
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return err ? -EIO : 0; | ||
} | ||
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static int mt9v111_set_ctrl(struct sn9c102_device *cam, | ||
const struct v4l2_control *ctrl) | ||
{ | ||
struct sn9c102_sensor *s = sn9c102_get_sensor(cam); | ||
int err = 0; | ||
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switch (ctrl->id) { | ||
case V4L2_CID_VFLIP: | ||
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, | ||
0x20, | ||
ctrl->value ? 0x80 : 0x00, | ||
ctrl->value ? 0x80 : 0x00, 0, | ||
0); | ||
break; | ||
default: | ||
return -EINVAL; | ||
} | ||
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return err ? -EIO : 0; | ||
} | ||
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static int mt9v111_set_crop(struct sn9c102_device *cam, | ||
const struct v4l2_rect *rect) | ||
{ | ||
struct sn9c102_sensor *s = sn9c102_get_sensor(cam); | ||
int err = 0; | ||
u8 v_start = (u8) (rect->top - s->cropcap.bounds.top) + 2; | ||
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err += sn9c102_write_reg(cam, v_start, 0x13); | ||
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return err; | ||
} | ||
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static int mt9v111_set_pix_format(struct sn9c102_device *cam, | ||
const struct v4l2_pix_format *pix) | ||
{ | ||
int err = 0; | ||
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if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) { | ||
err += sn9c102_write_reg(cam, 0xb4, 0x17); | ||
} else { | ||
err += sn9c102_write_reg(cam, 0xe2, 0x17); | ||
} | ||
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return err; | ||
} | ||
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static const struct sn9c102_sensor mt9v111 = { | ||
.name = "MT9V111", | ||
.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>", | ||
.supported_bridge = BRIDGE_SN9C105 | BRIDGE_SN9C120, | ||
.frequency = SN9C102_I2C_100KHZ, | ||
.interface = SN9C102_I2C_2WIRES, | ||
.i2c_slave_id = 0x5c, | ||
.init = &mt9v111_init, | ||
.qctrl = { | ||
{ | ||
.id = V4L2_CID_VFLIP, | ||
.type = V4L2_CTRL_TYPE_BOOLEAN, | ||
.name = "vertical mirror", | ||
.minimum = 0, | ||
.maximum = 1, | ||
.step = 1, | ||
.default_value = 0, | ||
.flags = 0, | ||
}, | ||
}, | ||
.get_ctrl = &mt9v111_get_ctrl, | ||
.set_ctrl = &mt9v111_set_ctrl, | ||
.cropcap = { | ||
.bounds = { | ||
.left = 0, | ||
.top = 0, | ||
.width = 640, | ||
.height = 480, | ||
}, | ||
.defrect = { | ||
.left = 0, | ||
.top = 0, | ||
.width = 640, | ||
.height = 480, | ||
}, | ||
}, | ||
.set_crop = &mt9v111_set_crop, | ||
.pix_format = { | ||
.width = 640, | ||
.height = 480, | ||
.pixelformat = V4L2_PIX_FMT_SBGGR8, | ||
.priv = 8, | ||
}, | ||
.set_pix_format = &mt9v111_set_pix_format | ||
}; | ||
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int sn9c102_probe_mt9v111(struct sn9c102_device *cam) | ||
{ | ||
u8 data[2]; | ||
int err = 0; | ||
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err += sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1}, | ||
{0x29, 0x01}, {0x42, 0x17}, | ||
{0x62, 0x17}, {0x08, 0x01}); | ||
err += sn9c102_i2c_try_raw_write(cam, &mt9v111, 4, | ||
mt9v111.i2c_slave_id, 0x01, 0x00, | ||
0x04, 0, 0); | ||
if (err || sn9c102_i2c_try_raw_read(cam, &mt9v111, | ||
mt9v111.i2c_slave_id, 0x36, 2, | ||
data) < 0) | ||
return -EIO; | ||
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if (data[0] != 0x82 || data[1] != 0x3a) | ||
return -ENODEV; | ||
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sn9c102_attach_sensor(cam, &mt9v111); | ||
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return 0; | ||
} |