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linux/drivers/media/video/sn9c102/sn9c102_mt9v111.c
Hans Verkuil d45b9b8ab4 V4L/DVB (8906): v4l-dvb: fix assorted sparse warnings 
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>
2008-10-12 09:36:58 -02:00

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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. *
***************************************************************************/
#include "sn9c102_sensor.h"
#include "sn9c102_devtable.h"
static int mt9v111_init(struct sn9c102_device *cam)
{
struct sn9c102_sensor *s = sn9c102_get_sensor(cam);
int err = 0;
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});
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);
return err;
}
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;
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;
}
return err ? -EIO : 0;
}
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;
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;
}
return err ? -EIO : 0;
}
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;
err += sn9c102_write_reg(cam, v_start, 0x13);
return err;
}
static int mt9v111_set_pix_format(struct sn9c102_device *cam,
const struct v4l2_pix_format *pix)
{
int err = 0;
if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
err += sn9c102_write_reg(cam, 0xb4, 0x17);
} else {
err += sn9c102_write_reg(cam, 0xe2, 0x17);
}
return err;
}
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
};
int sn9c102_probe_mt9v111(struct sn9c102_device *cam)
{
u8 data[2];
int err = 0;
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;
if (data[0] != 0x82 || data[1] != 0x3a)
return -ENODEV;
sn9c102_attach_sensor(cam, &mt9v111);
return 0;
}
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