320aaab872
Signed-off-by: Erik Andr?n <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
351 lines
8.6 KiB
C
351 lines
8.6 KiB
C
/*
|
|
* Driver for the mt9m111 sensor
|
|
*
|
|
* Copyright (C) 2008 Erik Andrén
|
|
* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
|
|
* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
|
|
*
|
|
* Portions of code to USB interface and ALi driver software,
|
|
* Copyright (c) 2006 Willem Duinker
|
|
* v4l2 interface modeled after the V4L2 driver
|
|
* for SN9C10x PC Camera Controllers
|
|
*
|
|
* 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, version 2.
|
|
*
|
|
*/
|
|
|
|
#include "m5602_mt9m111.h"
|
|
|
|
static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val);
|
|
|
|
static struct v4l2_pix_format mt9m111_modes[] = {
|
|
{
|
|
640,
|
|
480,
|
|
V4L2_PIX_FMT_SBGGR8,
|
|
V4L2_FIELD_NONE,
|
|
.sizeimage = 640 * 480,
|
|
.bytesperline = 640,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 0
|
|
}
|
|
};
|
|
|
|
const static struct ctrl mt9m111_ctrls[] = {
|
|
#define VFLIP_IDX 0
|
|
{
|
|
{
|
|
.id = V4L2_CID_VFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "vertical flip",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0
|
|
},
|
|
.set = mt9m111_set_vflip,
|
|
.get = mt9m111_get_vflip
|
|
},
|
|
#define HFLIP_IDX 1
|
|
{
|
|
{
|
|
.id = V4L2_CID_HFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "horizontal flip",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0
|
|
},
|
|
.set = mt9m111_set_hflip,
|
|
.get = mt9m111_get_hflip
|
|
},
|
|
#define GAIN_IDX 2
|
|
{
|
|
{
|
|
.id = V4L2_CID_GAIN,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "gain",
|
|
.minimum = 0,
|
|
.maximum = (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2,
|
|
.step = 1,
|
|
.default_value = DEFAULT_GAIN,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER
|
|
},
|
|
.set = mt9m111_set_gain,
|
|
.get = mt9m111_get_gain
|
|
}
|
|
};
|
|
|
|
static void mt9m111_dump_registers(struct sd *sd);
|
|
|
|
int mt9m111_probe(struct sd *sd)
|
|
{
|
|
u8 data[2] = {0x00, 0x00};
|
|
int i;
|
|
s32 *sensor_settings;
|
|
|
|
if (force_sensor) {
|
|
if (force_sensor == MT9M111_SENSOR) {
|
|
info("Forcing a %s sensor", mt9m111.name);
|
|
goto sensor_found;
|
|
}
|
|
/* If we want to force another sensor, don't try to probe this
|
|
* one */
|
|
return -ENODEV;
|
|
}
|
|
|
|
info("Probing for a mt9m111 sensor");
|
|
|
|
/* Do the preinit */
|
|
for (i = 0; i < ARRAY_SIZE(preinit_mt9m111); i++) {
|
|
if (preinit_mt9m111[i][0] == BRIDGE) {
|
|
m5602_write_bridge(sd,
|
|
preinit_mt9m111[i][1],
|
|
preinit_mt9m111[i][2]);
|
|
} else {
|
|
data[0] = preinit_mt9m111[i][2];
|
|
data[1] = preinit_mt9m111[i][3];
|
|
m5602_write_sensor(sd,
|
|
preinit_mt9m111[i][1], data, 2);
|
|
}
|
|
}
|
|
|
|
if (m5602_read_sensor(sd, MT9M111_SC_CHIPVER, data, 2))
|
|
return -ENODEV;
|
|
|
|
if ((data[0] == 0x14) && (data[1] == 0x3a)) {
|
|
info("Detected a mt9m111 sensor");
|
|
goto sensor_found;
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
sensor_found:
|
|
sensor_settings = kmalloc(ARRAY_SIZE(mt9m111_ctrls) * sizeof(s32),
|
|
GFP_KERNEL);
|
|
if (!sensor_settings)
|
|
return -ENOMEM;
|
|
|
|
sd->gspca_dev.cam.cam_mode = mt9m111_modes;
|
|
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes);
|
|
sd->desc->ctrls = mt9m111_ctrls;
|
|
sd->desc->nctrls = ARRAY_SIZE(mt9m111_ctrls);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mt9m111_ctrls); i++)
|
|
sensor_settings[i] = mt9m111_ctrls[i].qctrl.default_value;
|
|
sd->sensor_priv = sensor_settings;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt9m111_init(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
/* Init the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(init_mt9m111) && !err; i++) {
|
|
u8 data[2];
|
|
|
|
if (init_mt9m111[i][0] == BRIDGE) {
|
|
err = m5602_write_bridge(sd,
|
|
init_mt9m111[i][1],
|
|
init_mt9m111[i][2]);
|
|
} else {
|
|
data[0] = init_mt9m111[i][2];
|
|
data[1] = init_mt9m111[i][3];
|
|
err = m5602_write_sensor(sd,
|
|
init_mt9m111[i][1], data, 2);
|
|
}
|
|
}
|
|
|
|
if (dump_sensor)
|
|
mt9m111_dump_registers(sd);
|
|
|
|
err = mt9m111_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = mt9m111_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
|
|
|
|
return err;
|
|
}
|
|
|
|
void mt9m111_disconnect(struct sd *sd)
|
|
{
|
|
sd->sensor = NULL;
|
|
kfree(sd->sensor_priv);
|
|
}
|
|
|
|
static int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[VFLIP_IDX];
|
|
PDEBUG(D_V4L2, "Read vertical flip %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2] = {0x00, 0x00};
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
PDEBUG(D_V4L2, "Set vertical flip to %d", val);
|
|
|
|
sensor_settings[VFLIP_IDX] = val;
|
|
|
|
/* Set the correct page map */
|
|
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = (data[0] & 0xfe) | val;
|
|
err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
|
|
data, 2);
|
|
return err;
|
|
}
|
|
|
|
static int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[HFLIP_IDX];
|
|
PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2] = {0x00, 0x00};
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
|
|
|
|
sensor_settings[HFLIP_IDX] = val;
|
|
/* Set the correct page map */
|
|
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = (data[0] & 0xfd) | ((val << 1) & 0x02);
|
|
err = m5602_write_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
|
|
data, 2);
|
|
return err;
|
|
}
|
|
|
|
static int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[GAIN_IDX];
|
|
PDEBUG(D_V4L2, "Read gain %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err, tmp;
|
|
u8 data[2] = {0x00, 0x00};
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
sensor_settings[GAIN_IDX] = val;
|
|
|
|
/* Set the correct page map */
|
|
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (val >= INITIAL_MAX_GAIN * 2 * 2 * 2)
|
|
return -EINVAL;
|
|
|
|
if ((val >= INITIAL_MAX_GAIN * 2 * 2) &&
|
|
(val < (INITIAL_MAX_GAIN - 1) * 2 * 2 * 2))
|
|
tmp = (1 << 10) | (val << 9) |
|
|
(val << 8) | (val / 8);
|
|
else if ((val >= INITIAL_MAX_GAIN * 2) &&
|
|
(val < INITIAL_MAX_GAIN * 2 * 2))
|
|
tmp = (1 << 9) | (1 << 8) | (val / 4);
|
|
else if ((val >= INITIAL_MAX_GAIN) &&
|
|
(val < INITIAL_MAX_GAIN * 2))
|
|
tmp = (1 << 8) | (val / 2);
|
|
else
|
|
tmp = val;
|
|
|
|
data[1] = (tmp & 0xff00) >> 8;
|
|
data[0] = (tmp & 0xff);
|
|
PDEBUG(D_V4L2, "tmp=%d, data[1]=%d, data[0]=%d", tmp,
|
|
data[1], data[0]);
|
|
|
|
err = m5602_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN,
|
|
data, 2);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void mt9m111_dump_registers(struct sd *sd)
|
|
{
|
|
u8 address, value[2] = {0x00, 0x00};
|
|
|
|
info("Dumping the mt9m111 register state");
|
|
|
|
info("Dumping the mt9m111 sensor core registers");
|
|
value[1] = MT9M111_SENSOR_CORE;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
info("register 0x%x contains 0x%x%x",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
info("Dumping the mt9m111 color pipeline registers");
|
|
value[1] = MT9M111_COLORPIPE;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
info("register 0x%x contains 0x%x%x",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
info("Dumping the mt9m111 camera control registers");
|
|
value[1] = MT9M111_CAMERA_CONTROL;
|
|
m5602_write_sensor(sd, MT9M111_PAGE_MAP, value, 2);
|
|
for (address = 0; address < 0xff; address++) {
|
|
m5602_read_sensor(sd, address, value, 2);
|
|
info("register 0x%x contains 0x%x%x",
|
|
address, value[0], value[1]);
|
|
}
|
|
|
|
info("mt9m111 register state dump complete");
|
|
}
|