d45b9b8ab4
Fix sparse warnings. None are serious, but cutting down on these helps find future serious sparse warnings/errors. Redid the av7710.c patch based on a suggestion by Oliver Endriss. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
353 lines
9.5 KiB
C
353 lines
9.5 KiB
C
/***************************************************************************
|
|
* Plug-in for MI-0343 image sensor connected to the SN9C1xx PC Camera *
|
|
* Controllers *
|
|
* *
|
|
* Copyright (C) 2004-2007 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 mi0343_init(struct sn9c102_device* cam)
|
|
{
|
|
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
|
|
int err = 0;
|
|
|
|
err = sn9c102_write_const_regs(cam, {0x00, 0x10}, {0x00, 0x11},
|
|
{0x0a, 0x14}, {0x40, 0x01},
|
|
{0x20, 0x17}, {0x07, 0x18},
|
|
{0xa0, 0x19});
|
|
|
|
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, 0x03,
|
|
0x01, 0xe1, 0, 0);
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
|
|
0x02, 0x81, 0, 0);
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
|
|
0x00, 0x17, 0, 0);
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
|
|
0x00, 0x11, 0, 0);
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x62,
|
|
0x04, 0x9a, 0, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
static int mi0343_get_ctrl(struct sn9c102_device* cam,
|
|
struct v4l2_control* ctrl)
|
|
{
|
|
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
|
|
u8 data[2];
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_EXPOSURE:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x09, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
ctrl->value = data[0];
|
|
return 0;
|
|
case V4L2_CID_GAIN:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x35, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
ctrl->value = data[1] & 0x20 ? 1 : 0;
|
|
return 0;
|
|
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;
|
|
case V4L2_CID_RED_BALANCE:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2d, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
break;
|
|
case V4L2_CID_BLUE_BALANCE:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2c, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
break;
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
|
if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2e, 2,
|
|
data) < 0)
|
|
return -EIO;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
case V4L2_CID_RED_BALANCE:
|
|
case V4L2_CID_BLUE_BALANCE:
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
|
ctrl->value = data[1] | (data[0] << 8);
|
|
if (ctrl->value >= 0x10 && ctrl->value <= 0x3f)
|
|
ctrl->value -= 0x10;
|
|
else if (ctrl->value >= 0x60 && ctrl->value <= 0x7f)
|
|
ctrl->value -= 0x60;
|
|
else if (ctrl->value >= 0xe0 && ctrl->value <= 0xff)
|
|
ctrl->value -= 0xe0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int mi0343_set_ctrl(struct sn9c102_device* cam,
|
|
const struct v4l2_control* ctrl)
|
|
{
|
|
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
|
|
u16 reg = 0;
|
|
int err = 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
case V4L2_CID_RED_BALANCE:
|
|
case V4L2_CID_BLUE_BALANCE:
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
|
if (ctrl->value <= (0x3f-0x10))
|
|
reg = 0x10 + ctrl->value;
|
|
else if (ctrl->value <= ((0x3f-0x10) + (0x7f-0x60)))
|
|
reg = 0x60 + (ctrl->value - (0x3f-0x10));
|
|
else
|
|
reg = 0xe0 + (ctrl->value - (0x3f-0x10) - (0x7f-0x60));
|
|
break;
|
|
}
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_EXPOSURE:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x09, ctrl->value, 0x00,
|
|
0, 0);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x35, reg >> 8, reg & 0xff,
|
|
0, 0);
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x20, ctrl->value ? 0x40:0x00,
|
|
ctrl->value ? 0x20:0x00,
|
|
0, 0);
|
|
break;
|
|
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;
|
|
case V4L2_CID_RED_BALANCE:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x2d, reg >> 8, reg & 0xff,
|
|
0, 0);
|
|
break;
|
|
case V4L2_CID_BLUE_BALANCE:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x2c, reg >> 8, reg & 0xff,
|
|
0, 0);
|
|
break;
|
|
case SN9C102_V4L2_CID_GREEN_BALANCE:
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x2b, reg >> 8, reg & 0xff,
|
|
0, 0);
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x2e, reg >> 8, reg & 0xff,
|
|
0, 0);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return err ? -EIO : 0;
|
|
}
|
|
|
|
|
|
static int mi0343_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) + 0,
|
|
v_start = (u8)(rect->top - s->cropcap.bounds.top) + 2;
|
|
|
|
err += sn9c102_write_reg(cam, h_start, 0x12);
|
|
err += sn9c102_write_reg(cam, v_start, 0x13);
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
static int mi0343_set_pix_format(struct sn9c102_device* cam,
|
|
const struct v4l2_pix_format* pix)
|
|
{
|
|
struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
|
|
int err = 0;
|
|
|
|
if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X) {
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x0a, 0x00, 0x03, 0, 0);
|
|
err += sn9c102_write_reg(cam, 0x20, 0x19);
|
|
} else {
|
|
err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
|
|
0x0a, 0x00, 0x05, 0, 0);
|
|
err += sn9c102_write_reg(cam, 0xa0, 0x19);
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
|
|
static const struct sn9c102_sensor mi0343 = {
|
|
.name = "MI-0343",
|
|
.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
|
|
.supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102,
|
|
.frequency = SN9C102_I2C_100KHZ,
|
|
.interface = SN9C102_I2C_2WIRES,
|
|
.i2c_slave_id = 0x5d,
|
|
.init = &mi0343_init,
|
|
.qctrl = {
|
|
{
|
|
.id = V4L2_CID_EXPOSURE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "exposure",
|
|
.minimum = 0x00,
|
|
.maximum = 0x0f,
|
|
.step = 0x01,
|
|
.default_value = 0x06,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = V4L2_CID_GAIN,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "global gain",
|
|
.minimum = 0x00,
|
|
.maximum = (0x3f-0x10)+(0x7f-0x60)+(0xff-0xe0),/*0x6d*/
|
|
.step = 0x01,
|
|
.default_value = 0x00,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = V4L2_CID_HFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "horizontal mirror",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = V4L2_CID_VFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "vertical mirror",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = V4L2_CID_RED_BALANCE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "red balance",
|
|
.minimum = 0x00,
|
|
.maximum = (0x3f-0x10)+(0x7f-0x60)+(0xff-0xe0),
|
|
.step = 0x01,
|
|
.default_value = 0x00,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = V4L2_CID_BLUE_BALANCE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "blue balance",
|
|
.minimum = 0x00,
|
|
.maximum = (0x3f-0x10)+(0x7f-0x60)+(0xff-0xe0),
|
|
.step = 0x01,
|
|
.default_value = 0x00,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.id = SN9C102_V4L2_CID_GREEN_BALANCE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "green balance",
|
|
.minimum = 0x00,
|
|
.maximum = ((0x3f-0x10)+(0x7f-0x60)+(0xff-0xe0)),
|
|
.step = 0x01,
|
|
.default_value = 0x00,
|
|
.flags = 0,
|
|
},
|
|
},
|
|
.get_ctrl = &mi0343_get_ctrl,
|
|
.set_ctrl = &mi0343_set_ctrl,
|
|
.cropcap = {
|
|
.bounds = {
|
|
.left = 0,
|
|
.top = 0,
|
|
.width = 640,
|
|
.height = 480,
|
|
},
|
|
.defrect = {
|
|
.left = 0,
|
|
.top = 0,
|
|
.width = 640,
|
|
.height = 480,
|
|
},
|
|
},
|
|
.set_crop = &mi0343_set_crop,
|
|
.pix_format = {
|
|
.width = 640,
|
|
.height = 480,
|
|
.pixelformat = V4L2_PIX_FMT_SBGGR8,
|
|
.priv = 8,
|
|
},
|
|
.set_pix_format = &mi0343_set_pix_format
|
|
};
|
|
|
|
|
|
int sn9c102_probe_mi0343(struct sn9c102_device* cam)
|
|
{
|
|
u8 data[2];
|
|
|
|
if (sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x00, 0x01},
|
|
{0x28, 0x17}))
|
|
return -EIO;
|
|
|
|
if (sn9c102_i2c_try_raw_read(cam, &mi0343, mi0343.i2c_slave_id, 0x00,
|
|
2, data) < 0)
|
|
return -EIO;
|
|
|
|
if (data[1] != 0x42 || data[0] != 0xe3)
|
|
return -ENODEV;
|
|
|
|
sn9c102_attach_sensor(cam, &mi0343);
|
|
|
|
return 0;
|
|
}
|