/*
* ov5693_v4l2.c - ov5693 sensor driver
*
* Copyright (c) 2013-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see .
*/
#define RADA_DVR_EVALUATION
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "../platform/tegra/camera/camera_gpio.h"
#include "ov5693_mode_tbls.h"
#define OV5693_MAX_COARSE_DIFF 6
#define OV5693_GAIN_SHIFT 8
#define OV5693_MIN_GAIN (1 << OV5693_GAIN_SHIFT)
#define OV5693_MAX_GAIN (16 << OV5693_GAIN_SHIFT)
#define OV5693_MAX_UNREAL_GAIN (0x0F80)
#define OV5693_MIN_FRAME_LENGTH (0x0)
#define OV5693_MAX_FRAME_LENGTH (0x7fff)
#define OV5693_MIN_EXPOSURE_COARSE (0x0002)
#define OV5693_MAX_EXPOSURE_COARSE \
(OV5693_MAX_FRAME_LENGTH-OV5693_MAX_COARSE_DIFF)
#define OV5693_DEFAULT_LINE_LENGTH (0xA80)
#define OV5693_DEFAULT_PIXEL_CLOCK (160)
#define OV5693_DEFAULT_GAIN OV5693_MIN_GAIN
#define OV5693_DEFAULT_FRAME_LENGTH (0x07C0)
#define OV5693_DEFAULT_EXPOSURE_COARSE \
(OV5693_DEFAULT_FRAME_LENGTH-OV5693_MAX_COARSE_DIFF)
#ifdef RADA_DVR_EVALUATION
#define OV5693_DEFAULT_MODE OV5693_MODE_1280X720_120FPS//OV5693_MODE_2592X1944
#define OV5693_DEFAULT_HDR_MODE OV5693_MODE_2592X1944_HDR
#define OV5693_DEFAULT_WIDTH 1280 // 2592
#define OV5693_DEFAULT_HEIGHT 720 // 1944
#define OV5693_DEFAULT_DATAFMT MEDIA_BUS_FMT_RGB888_1X24// MEDIA_BUS_FMT_SBGGR10_1X10
#define OV5693_DEFAULT_CLK_FREQ 27000000
#elif RADA_DVR
#define OV5693_DEFAULT_MODE OV5693_MODE_1280X720_120FPS//OV5693_MODE_2592X1944
#define OV5693_DEFAULT_HDR_MODE OV5693_MODE_2592X1944_HDR
#define OV5693_DEFAULT_WIDTH 1280 // 2592
#define OV5693_DEFAULT_HEIGHT 720 // 1944
#define OV5693_DEFAULT_DATAFMT MEDIA_BUS_FMT_SBGGR10_1X10
#define OV5693_DEFAULT_CLK_FREQ 27000000
#else
#define OV5693_DEFAULT_MODE OV5693_MODE_2592X1944
#define OV5693_DEFAULT_HDR_MODE OV5693_MODE_2592X1944_HDR
#define OV5693_DEFAULT_WIDTH 2592
#define OV5693_DEFAULT_HEIGHT 1944
#define OV5693_DEFAULT_DATAFMT MEDIA_BUS_FMT_SBGGR10_1X10
#define OV5693_DEFAULT_CLK_FREQ 24000000
#endif
struct ov5693 {
struct camera_common_power_rail power;
int numctrls;
struct v4l2_ctrl_handler ctrl_handler;
struct camera_common_eeprom_data eeprom[OV5693_EEPROM_NUM_BLOCKS];
u8 eeprom_buf[OV5693_EEPROM_SIZE];
struct i2c_client *i2c_client;
struct v4l2_subdev *subdev;
struct media_pad pad;
s32 group_hold_prev;
u32 frame_length;
bool group_hold_en;
struct regmap *regmap;
struct camera_common_data *s_data;
struct camera_common_pdata *pdata;
struct v4l2_ctrl *ctrls[];
};
static struct regmap_config ov5693_regmap_config = {
.reg_bits = 16,
.val_bits = 8,
};
static int ov5693_g_volatile_ctrl(struct v4l2_ctrl *ctrl);
static int ov5693_s_ctrl(struct v4l2_ctrl *ctrl);
static void ov5693_update_ctrl_range(struct ov5693 *priv, s32 frame_length);
static const struct v4l2_ctrl_ops ov5693_ctrl_ops = {
.g_volatile_ctrl = ov5693_g_volatile_ctrl,
.s_ctrl = ov5693_s_ctrl,
};
static struct v4l2_ctrl_config ctrl_config_list[] = {
/* Do not change the name field for the controls! */
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_GAIN,
.name = "Gain",
.type = V4L2_CTRL_TYPE_INTEGER,
.flags = V4L2_CTRL_FLAG_SLIDER,
.min = OV5693_MIN_GAIN,
.max = OV5693_MAX_GAIN,
.def = OV5693_DEFAULT_GAIN,
.step = 1,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_FRAME_LENGTH,
.name = "Frame Length",
.type = V4L2_CTRL_TYPE_INTEGER,
.flags = V4L2_CTRL_FLAG_SLIDER,
.min = OV5693_MIN_FRAME_LENGTH,
.max = OV5693_MAX_FRAME_LENGTH,
.def = OV5693_DEFAULT_FRAME_LENGTH,
.step = 1,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_COARSE_TIME,
.name = "Coarse Time",
.type = V4L2_CTRL_TYPE_INTEGER,
.flags = V4L2_CTRL_FLAG_SLIDER,
.min = OV5693_MIN_EXPOSURE_COARSE,
.max = OV5693_MAX_EXPOSURE_COARSE,
.def = OV5693_DEFAULT_EXPOSURE_COARSE,
.step = 1,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_COARSE_TIME_SHORT,
.name = "Coarse Time Short",
.type = V4L2_CTRL_TYPE_INTEGER,
.flags = V4L2_CTRL_FLAG_SLIDER,
.min = OV5693_MIN_EXPOSURE_COARSE,
.max = OV5693_MAX_EXPOSURE_COARSE,
.def = OV5693_DEFAULT_EXPOSURE_COARSE,
.step = 1,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_GROUP_HOLD,
.name = "Group Hold",
.type = V4L2_CTRL_TYPE_INTEGER_MENU,
.min = 0,
.max = ARRAY_SIZE(switch_ctrl_qmenu) - 1,
.menu_skip_mask = 0,
.def = 0,
.qmenu_int = switch_ctrl_qmenu,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_HDR_EN,
.name = "HDR enable",
.type = V4L2_CTRL_TYPE_INTEGER_MENU,
.min = 0,
.max = ARRAY_SIZE(switch_ctrl_qmenu) - 1,
.menu_skip_mask = 0,
.def = 0,
.qmenu_int = switch_ctrl_qmenu,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_EEPROM_DATA,
.name = "EEPROM Data",
.type = V4L2_CTRL_TYPE_STRING,
.flags = V4L2_CTRL_FLAG_VOLATILE,
.min = 0,
.max = OV5693_EEPROM_STR_SIZE,
.step = 2,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_OTP_DATA,
.name = "OTP Data",
.type = V4L2_CTRL_TYPE_STRING,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
.min = 0,
.max = OV5693_OTP_STR_SIZE,
.step = 2,
},
{
.ops = &ov5693_ctrl_ops,
.id = TEGRA_CAMERA_CID_FUSE_ID,
.name = "Fuse ID",
.type = V4L2_CTRL_TYPE_STRING,
.flags = V4L2_CTRL_FLAG_READ_ONLY,
.min = 0,
.max = OV5693_FUSE_ID_STR_SIZE,
.step = 2,
},
};
static inline void ov5693_get_frame_length_regs(ov5693_reg *regs,
u32 frame_length)
{
regs->addr = OV5693_FRAME_LENGTH_ADDR_MSB;
regs->val = (frame_length >> 8) & 0xff;
(regs + 1)->addr = OV5693_FRAME_LENGTH_ADDR_LSB;
(regs + 1)->val = (frame_length) & 0xff;
}
static inline void ov5693_get_coarse_time_regs(ov5693_reg *regs,
u32 coarse_time)
{
regs->addr = OV5693_COARSE_TIME_ADDR_1;
regs->val = (coarse_time >> 12) & 0xff;
(regs + 1)->addr = OV5693_COARSE_TIME_ADDR_2;
(regs + 1)->val = (coarse_time >> 4) & 0xff;
(regs + 2)->addr = OV5693_COARSE_TIME_ADDR_3;
(regs + 2)->val = (coarse_time & 0xf) << 4;
}
static inline void ov5693_get_coarse_time_short_regs(ov5693_reg *regs,
u32 coarse_time)
{
regs->addr = OV5693_COARSE_TIME_SHORT_ADDR_1;
regs->val = (coarse_time >> 12) & 0xff;
(regs + 1)->addr = OV5693_COARSE_TIME_SHORT_ADDR_2;
(regs + 1)->val = (coarse_time >> 4) & 0xff;
(regs + 2)->addr = OV5693_COARSE_TIME_SHORT_ADDR_3;
(regs + 2)->val = (coarse_time & 0xf) << 4;
}
static inline void ov5693_get_gain_regs(ov5693_reg *regs,
u16 gain)
{
regs->addr = OV5693_GAIN_ADDR_MSB;
regs->val = (gain >> 8) & 0xff;
(regs + 1)->addr = OV5693_GAIN_ADDR_LSB;
(regs + 1)->val = (gain) & 0xff;
}
static int test_mode;
module_param(test_mode, int, 0644);
static inline int ov5693_read_reg(struct camera_common_data *s_data,
u16 addr, u8 *val)
{
#if defined(RADA_DVR_EVALUATION) || defined (RADA_DVR)
return 0;
#else
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
int err = 0;
u32 reg_val = 0;
err = regmap_read(priv->regmap, addr, ®_val);
*val = reg_val & 0xFF;
return err;
#endif
}
static int ov5693_write_reg(struct camera_common_data *s_data, u16 addr, u8 val)
{
int err;
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
err = regmap_write(priv->regmap, addr, val);
#if defined(RADA_DVR_EVALUATION) || defined (RADA_DVR)
err = 0;
#endif
if (err)
pr_err("%s:i2c write failed, %x = %x\n",
__func__, addr, val);
return err;
}
static int ov5693_write_table(struct ov5693 *priv,
const ov5693_reg table[])
{
return regmap_util_write_table_8(priv->regmap,
table,
NULL, 0,
OV5693_TABLE_WAIT_MS,
OV5693_TABLE_END);
}
static void ov5693_gpio_set(struct ov5693 *priv,
unsigned int gpio, int val)
{
if (priv->pdata && priv->pdata->use_cam_gpio)
cam_gpio_ctrl(&priv->i2c_client->dev, gpio, val, 1);
else {
if (gpio_cansleep(gpio))
gpio_set_value_cansleep(gpio, val);
else
gpio_set_value(gpio, val);
}
}
static int ov5693_power_on(struct camera_common_data *s_data)
{
int err = 0;
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
struct camera_common_power_rail *pw = &priv->power;
u32 frame_time;
dev_dbg(&priv->i2c_client->dev, "%s: power on\n", __func__);
if (priv->pdata && priv->pdata->power_on) {
err = priv->pdata->power_on(pw);
if (err)
pr_err("%s failed.\n", __func__);
else
pw->state = SWITCH_ON;
return err;
}
/* sleeps calls in the sequence below are for internal device
* signal propagation as specified by sensor vendor */
if (pw->avdd)
err = regulator_enable(pw->avdd);
if (err)
goto ov5693_avdd_fail;
if (pw->iovdd)
err = regulator_enable(pw->iovdd);
if (err)
goto ov5693_iovdd_fail;
usleep_range(1, 2);
if (pw->pwdn_gpio)
ov5693_gpio_set(priv, pw->pwdn_gpio, 1);
/*
* datasheet 2.9: reset requires ~2ms settling time
* a power on reset is generated after core power becomes stable
*/
usleep_range(2000, 2010);
if (pw->reset_gpio)
ov5693_gpio_set(priv, pw->reset_gpio, 1);
/* datasheet fig 2-9: t3 */
usleep_range(2000, 2010);
pw->state = SWITCH_ON;
/* need SW standby LP11 for mipical.
* sensor default is LP00, this will transition to LP11 */
ov5693_write_reg(s_data, 0x0100, 0x1);
ov5693_write_reg(s_data, 0x0100, 0x0);
/*
* Sleep to allow SW reset to settle into LP11. After writing
* 0x1, according to the datasheet, it could take the remainder
* of the frame time to settle. Streaming too soon after this
* may have unintended consequences.
*/
frame_time = OV5693_DEFAULT_FRAME_LENGTH *
OV5693_DEFAULT_LINE_LENGTH / OV5693_DEFAULT_PIXEL_CLOCK;
usleep_range(frame_time, frame_time + 1000);
return 0;
ov5693_iovdd_fail:
regulator_disable(pw->avdd);
ov5693_avdd_fail:
pr_err("%s failed.\n", __func__);
return -ENODEV;
}
static int ov5693_power_off(struct camera_common_data *s_data)
{
int err = 0;
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
struct camera_common_power_rail *pw = &priv->power;
dev_dbg(&priv->i2c_client->dev, "%s: power off\n", __func__);
if (priv->pdata && priv->pdata->power_off) {
err = priv->pdata->power_off(pw);
if (!err) {
goto power_off_done;
} else {
pr_err("%s failed.\n", __func__);
return err;
}
}
/* sleeps calls in the sequence below are for internal device
* signal propagation as specified by sensor vendor */
usleep_range(21, 25);
if (pw->pwdn_gpio)
ov5693_gpio_set(priv, pw->pwdn_gpio, 0);
usleep_range(1, 2);
if (pw->reset_gpio)
ov5693_gpio_set(priv, pw->reset_gpio, 0);
/* datasheet 2.9: reset requires ~2ms settling time*/
usleep_range(2000, 2010);
if (pw->iovdd)
regulator_disable(pw->iovdd);
if (pw->avdd)
regulator_disable(pw->avdd);
power_off_done:
pw->state = SWITCH_OFF;
return 0;
}
static int ov5693_power_put(struct ov5693 *priv)
{
struct camera_common_power_rail *pw = &priv->power;
if (unlikely(!pw))
return -EFAULT;
if (likely(pw->avdd))
regulator_put(pw->avdd);
if (likely(pw->iovdd))
regulator_put(pw->iovdd);
pw->avdd = NULL;
pw->iovdd = NULL;
if (priv->pdata && priv->pdata->use_cam_gpio)
cam_gpio_deregister(&priv->i2c_client->dev, pw->pwdn_gpio);
else {
gpio_free(pw->pwdn_gpio);
gpio_free(pw->reset_gpio);
}
return 0;
}
static int ov5693_power_get(struct ov5693 *priv)
{
struct camera_common_power_rail *pw = &priv->power;
struct camera_common_pdata *pdata = priv->pdata;
const char *mclk_name;
const char *parentclk_name;
struct clk *parent;
int err = 0, ret = 0;
if (!pdata) {
dev_err(&priv->i2c_client->dev, "pdata missing\n");
return -EFAULT;
}
mclk_name = pdata->mclk_name ?
pdata->mclk_name : "cam_mclk1";
pw->mclk = devm_clk_get(&priv->i2c_client->dev, mclk_name);
if (IS_ERR(pw->mclk)) {
dev_err(&priv->i2c_client->dev,
"unable to get clock %s\n", mclk_name);
return PTR_ERR(pw->mclk);
}
parentclk_name = pdata->parentclk_name;
if (parentclk_name) {
parent = devm_clk_get(&priv->i2c_client->dev, parentclk_name);
if (IS_ERR(parent)) {
dev_err(&priv->i2c_client->dev,
"unable to get parent clcok %s",
parentclk_name);
} else
clk_set_parent(pw->mclk, parent);
}
/* analog 2.8v */
err |= camera_common_regulator_get(&priv->i2c_client->dev,
&pw->avdd, pdata->regulators.avdd);
/* IO 1.8v */
err |= camera_common_regulator_get(&priv->i2c_client->dev,
&pw->iovdd, pdata->regulators.iovdd);
if (!err) {
pw->reset_gpio = pdata->reset_gpio;
pw->pwdn_gpio = pdata->pwdn_gpio;
}
if (pdata->use_cam_gpio) {
err = cam_gpio_register(&priv->i2c_client->dev, pw->pwdn_gpio);
if (err)
dev_err(&priv->i2c_client->dev,
"%s ERR can't register cam gpio %u!\n",
__func__, pw->pwdn_gpio);
} else {
ret = gpio_request(pw->pwdn_gpio, "cam_pwdn_gpio");
if (ret < 0)
dev_dbg(&priv->i2c_client->dev,
"%s can't request pwdn_gpio %d\n",
__func__, ret);
ret = gpio_request(pw->reset_gpio, "cam_reset_gpio");
if (ret < 0)
dev_dbg(&priv->i2c_client->dev,
"%s can't request reset_gpio %d\n",
__func__, ret);
}
pw->state = SWITCH_OFF;
return err;
}
static int ov5693_set_gain(struct ov5693 *priv, s32 val);
static int ov5693_set_frame_length(struct ov5693 *priv, s32 val);
static int ov5693_set_coarse_time(struct ov5693 *priv, s32 val);
static int ov5693_set_coarse_time_short(struct ov5693 *priv, s32 val);
static int ov5693_s_stream(struct v4l2_subdev *sd, int enable)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct camera_common_data *s_data = to_camera_common_data(&client->dev);
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
struct v4l2_control control;
int err;
u32 frame_time;
u8 val;
dev_dbg(&client->dev, "%s++\n", __func__);
if (!enable) {
ov5693_update_ctrl_range(priv, OV5693_MAX_FRAME_LENGTH);
err = ov5693_write_table(priv,
mode_table[OV5693_MODE_STOP_STREAM]);
if (err)
return err;
/*
* Wait for one frame to make sure sensor is set to
* software standby in V-blank
*
* frame_time = frame length rows * Tline
* Tline = line length / pixel clock (in MHz)
*/
frame_time = priv->frame_length *
OV5693_DEFAULT_LINE_LENGTH / OV5693_DEFAULT_PIXEL_CLOCK;
usleep_range(frame_time, frame_time + 1000);
return 0;
}
err = ov5693_write_table(priv, mode_table[s_data->mode]);
if (err)
goto exit;
if (s_data->override_enable) {
/*
* write list of override regs for the asking frame length,
* coarse integration time, and gain. Failures to write
* overrides are non-fatal
*/
control.id = TEGRA_CAMERA_CID_GAIN;
err = v4l2_g_ctrl(&priv->ctrl_handler, &control);
err |= ov5693_set_gain(priv, control.value);
if (err)
dev_dbg(&client->dev, "%s: warning gain override failed\n",
__func__);
control.id = TEGRA_CAMERA_CID_FRAME_LENGTH;
err = v4l2_g_ctrl(&priv->ctrl_handler, &control);
err |= ov5693_set_frame_length(priv, control.value);
if (err)
dev_dbg(&client->dev,
"%s: warning frame length override failed\n",
__func__);
control.id = TEGRA_CAMERA_CID_COARSE_TIME;
err = v4l2_g_ctrl(&priv->ctrl_handler, &control);
err |= ov5693_set_coarse_time(priv, control.value);
if (err)
dev_dbg(&client->dev,
"%s: warning coarse time override failed\n",
__func__);
control.id = TEGRA_CAMERA_CID_COARSE_TIME_SHORT;
err = v4l2_g_ctrl(&priv->ctrl_handler, &control);
err |= ov5693_set_coarse_time_short(priv, control.value);
if (err)
dev_dbg(&client->dev,
"%s: warning coarse time short override failed\n",
__func__);
}
err = ov5693_write_table(priv, mode_table[OV5693_MODE_START_STREAM]);
if (err)
goto exit;
if (priv->pdata->v_flip) {
ov5693_read_reg(priv->s_data, OV5693_TIMING_REG20, &val);
ov5693_write_reg(priv->s_data, OV5693_TIMING_REG20,
val | VERTICAL_FLIP);
}
if (priv->pdata->h_mirror) {
ov5693_read_reg(priv->s_data, OV5693_TIMING_REG21, &val);
ov5693_write_reg(priv->s_data, OV5693_TIMING_REG21,
val | HORIZONTAL_MIRROR_MASK);
} else {
ov5693_read_reg(priv->s_data, OV5693_TIMING_REG21, &val);
ov5693_write_reg(priv->s_data, OV5693_TIMING_REG21,
val & (~HORIZONTAL_MIRROR_MASK));
}
if (test_mode)
err = ov5693_write_table(priv,
mode_table[OV5693_MODE_TEST_PATTERN]);
dev_dbg(&client->dev, "%s--\n", __func__);
return 0;
exit:
dev_dbg(&client->dev, "%s: error setting stream\n", __func__);
return err;
}
static int ov5693_g_input_status(struct v4l2_subdev *sd, u32 *status)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct camera_common_data *s_data = to_camera_common_data(&client->dev);
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
struct camera_common_power_rail *pw = &priv->power;
*status = pw->state == SWITCH_ON;
return 0;
}
static struct v4l2_subdev_video_ops ov5693_subdev_video_ops = {
.s_stream = ov5693_s_stream,
.g_mbus_config = camera_common_g_mbus_config,
.g_input_status = ov5693_g_input_status,
};
static struct v4l2_subdev_core_ops ov5693_subdev_core_ops = {
.s_power = camera_common_s_power,
};
static int ov5693_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
{
return camera_common_g_fmt(sd, &format->format);
}
static int ov5693_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *format)
{
int ret;
if (format->which == V4L2_SUBDEV_FORMAT_TRY)
ret = camera_common_try_fmt(sd, &format->format);
else
ret = camera_common_s_fmt(sd, &format->format);
return ret;
}
static struct v4l2_subdev_pad_ops ov5693_subdev_pad_ops = {
.set_fmt = ov5693_set_fmt,
.get_fmt = ov5693_get_fmt,
.enum_mbus_code = camera_common_enum_mbus_code,
.enum_frame_size = camera_common_enum_framesizes,
.enum_frame_interval = camera_common_enum_frameintervals,
};
static struct v4l2_subdev_ops ov5693_subdev_ops = {
.core = &ov5693_subdev_core_ops,
.video = &ov5693_subdev_video_ops,
.pad = &ov5693_subdev_pad_ops,
};
static struct of_device_id ov5693_of_match[] = {
{ .compatible = "nvidia,ov5693", },
{ },
};
static struct camera_common_sensor_ops ov5693_common_ops = {
.power_on = ov5693_power_on,
.power_off = ov5693_power_off,
.write_reg = ov5693_write_reg,
.read_reg = ov5693_read_reg,
};
static int ov5693_set_group_hold(struct ov5693 *priv)
{
int err;
int gh_prev = switch_ctrl_qmenu[priv->group_hold_prev];
if (priv->group_hold_en == true && gh_prev == SWITCH_OFF) {
/* enter group hold */
err = ov5693_write_reg(priv->s_data,
OV5693_GROUP_HOLD_ADDR, 0x01);
if (err)
goto fail;
priv->group_hold_prev = 1;
dev_dbg(&priv->i2c_client->dev,
"%s: enter group hold\n", __func__);
} else if (priv->group_hold_en == false && gh_prev == SWITCH_ON) {
/* leave group hold */
err = ov5693_write_reg(priv->s_data,
OV5693_GROUP_HOLD_ADDR, 0x11);
if (err)
goto fail;
err = ov5693_write_reg(priv->s_data,
OV5693_GROUP_HOLD_ADDR, 0x61);
if (err)
goto fail;
priv->group_hold_prev = 0;
dev_dbg(&priv->i2c_client->dev,
"%s: leave group hold\n", __func__);
}
return 0;
fail:
dev_dbg(&priv->i2c_client->dev,
"%s: Group hold control error\n", __func__);
return err;
}
static u16 ov5693_to_real_gain(u32 rep, int shift)
{
u16 gain;
int gain_int;
int gain_dec;
int min_int = (1 << shift);
if (rep < OV5693_MIN_GAIN)
rep = OV5693_MIN_GAIN;
else if (rep > OV5693_MAX_GAIN)
rep = OV5693_MAX_GAIN;
gain_int = (int)(rep >> shift);
gain_dec = (int)(rep & ~(0xffff << shift));
/* derived from formulat gain = (x * 16 + 0.5) */
gain = ((gain_int * min_int + gain_dec) * 32 + min_int) / (2 * min_int);
return gain;
}
static int ov5693_set_gain(struct ov5693 *priv, s32 val)
{
ov5693_reg reg_list[2];
int err;
u16 gain;
int i;
if (!priv->group_hold_prev)
ov5693_set_group_hold(priv);
/* translate value */
gain = ov5693_to_real_gain((u32)val, OV5693_GAIN_SHIFT);
ov5693_get_gain_regs(reg_list, gain);
dev_dbg(&priv->i2c_client->dev,
"%s: gain %04x val: %04x\n", __func__, val, gain);
for (i = 0; i < 2; i++) {
err = ov5693_write_reg(priv->s_data, reg_list[i].addr,
reg_list[i].val);
if (err)
goto fail;
}
return 0;
fail:
dev_dbg(&priv->i2c_client->dev,
"%s: GAIN control error\n", __func__);
return err;
}
static void ov5693_update_ctrl_range(struct ov5693 *priv, s32 frame_length)
{
struct v4l2_ctrl *ctrl = NULL;
int ctrl_ids[2] = {TEGRA_CAMERA_CID_COARSE_TIME,
TEGRA_CAMERA_CID_COARSE_TIME_SHORT};
s32 max, min, def;
int i, j;
for (i = 0; i < ARRAY_SIZE(ctrl_ids); i++) {
for (j = 0; j < priv->numctrls; j++) {
if (priv->ctrls[j]->id == ctrl_ids[i]) {
ctrl = priv->ctrls[j];
break;
}
}
if (j == priv->numctrls) {
dev_err(&priv->i2c_client->dev,
"could not find ctrl %x\n",
ctrl_ids[i]);
continue;
}
max = frame_length - OV5693_MAX_COARSE_DIFF;
/* clamp the value in case above is negative */
max = clamp_val(max, OV5693_MIN_EXPOSURE_COARSE,
OV5693_MAX_EXPOSURE_COARSE);
min = OV5693_MIN_EXPOSURE_COARSE;
def = clamp_val(OV5693_DEFAULT_EXPOSURE_COARSE, min, max);
if (__v4l2_ctrl_modify_range(ctrl, min, max, 1, def))
dev_err(&priv->i2c_client->dev,
"ctrl %x: range update failed\n",
ctrl_ids[i]);
}
}
static int ov5693_set_frame_length(struct ov5693 *priv, s32 val)
{
ov5693_reg reg_list[2];
int err;
u32 frame_length;
int i;
if (!priv->group_hold_prev)
ov5693_set_group_hold(priv);
frame_length = (u32)val;
ov5693_get_frame_length_regs(reg_list, frame_length);
dev_dbg(&priv->i2c_client->dev,
"%s: val: %d\n", __func__, frame_length);
for (i = 0; i < 2; i++) {
err = ov5693_write_reg(priv->s_data, reg_list[i].addr,
reg_list[i].val);
if (err)
goto fail;
}
priv->frame_length = frame_length;
ov5693_update_ctrl_range(priv, val);
return 0;
fail:
dev_dbg(&priv->i2c_client->dev,
"%s: FRAME_LENGTH control error\n", __func__);
return err;
}
static int ov5693_set_coarse_time(struct ov5693 *priv, s32 val)
{
ov5693_reg reg_list[3];
int err;
u32 coarse_time;
int i;
if (!priv->group_hold_prev)
ov5693_set_group_hold(priv);
coarse_time = (u32)val;
ov5693_get_coarse_time_regs(reg_list, coarse_time);
dev_dbg(&priv->i2c_client->dev,
"%s: val: %d\n", __func__, coarse_time);
for (i = 0; i < 3; i++) {
err = ov5693_write_reg(priv->s_data, reg_list[i].addr,
reg_list[i].val);
if (err)
goto fail;
}
return 0;
fail:
dev_dbg(&priv->i2c_client->dev,
"%s: COARSE_TIME control error\n", __func__);
return err;
}
static int ov5693_set_coarse_time_short(struct ov5693 *priv, s32 val)
{
ov5693_reg reg_list[3];
int err;
struct v4l2_control hdr_control;
int hdr_en;
u32 coarse_time_short;
int i;
if (!priv->group_hold_prev)
ov5693_set_group_hold(priv);
/* check hdr enable ctrl */
hdr_control.id = TEGRA_CAMERA_CID_HDR_EN;
err = camera_common_g_ctrl(priv->s_data, &hdr_control);
if (err < 0) {
dev_err(&priv->i2c_client->dev,
"could not find device ctrl.\n");
return err;
}
hdr_en = switch_ctrl_qmenu[hdr_control.value];
if (hdr_en == SWITCH_OFF)
return 0;
coarse_time_short = (u32)val;
ov5693_get_coarse_time_short_regs(reg_list, coarse_time_short);
dev_dbg(&priv->i2c_client->dev,
"%s: val: %d\n", __func__, coarse_time_short);
for (i = 0; i < 3; i++) {
err = ov5693_write_reg(priv->s_data, reg_list[i].addr,
reg_list[i].val);
if (err)
goto fail;
}
return 0;
fail:
dev_dbg(&priv->i2c_client->dev,
"%s: COARSE_TIME_SHORT control error\n", __func__);
return err;
}
static int ov5693_eeprom_device_release(struct ov5693 *priv)
{
int i;
for (i = 0; i < OV5693_EEPROM_NUM_BLOCKS; i++) {
if (priv->eeprom[i].i2c_client != NULL) {
i2c_unregister_device(priv->eeprom[i].i2c_client);
priv->eeprom[i].i2c_client = NULL;
}
}
return 0;
}
static int ov5693_eeprom_device_init(struct ov5693 *priv)
{
char *dev_name = "eeprom_ov5693";
static struct regmap_config eeprom_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
int i;
int err;
if (!priv->pdata->has_eeprom)
return -EINVAL;
for (i = 0; i < OV5693_EEPROM_NUM_BLOCKS; i++) {
priv->eeprom[i].adap = i2c_get_adapter(
priv->i2c_client->adapter->nr);
memset(&priv->eeprom[i].brd, 0, sizeof(priv->eeprom[i].brd));
strncpy(priv->eeprom[i].brd.type, dev_name,
sizeof(priv->eeprom[i].brd.type));
priv->eeprom[i].brd.addr = OV5693_EEPROM_ADDRESS + i;
priv->eeprom[i].i2c_client = i2c_new_device(
priv->eeprom[i].adap, &priv->eeprom[i].brd);
priv->eeprom[i].regmap = devm_regmap_init_i2c(
priv->eeprom[i].i2c_client, &eeprom_regmap_config);
if (IS_ERR(priv->eeprom[i].regmap)) {
err = PTR_ERR(priv->eeprom[i].regmap);
ov5693_eeprom_device_release(priv);
return err;
}
}
return 0;
}
static int ov5693_read_eeprom(struct ov5693 *priv,
struct v4l2_ctrl *ctrl)
{
int err, i;
for (i = 0; i < OV5693_EEPROM_NUM_BLOCKS; i++) {
err = regmap_bulk_read(priv->eeprom[i].regmap, 0,
&priv->eeprom_buf[i * OV5693_EEPROM_BLOCK_SIZE],
OV5693_EEPROM_BLOCK_SIZE);
if (err)
return err;
}
for (i = 0; i < OV5693_EEPROM_SIZE; i++)
sprintf(&ctrl->p_new.p_char[i*2], "%02x",
priv->eeprom_buf[i]);
return 0;
}
static int ov5693_write_eeprom(struct ov5693 *priv,
char *string)
{
int err;
int i;
u8 curr[3];
unsigned long data;
for (i = 0; i < OV5693_EEPROM_SIZE; i++) {
curr[0] = string[i*2];
curr[1] = string[i*2+1];
curr[2] = '\0';
err = kstrtol(curr, 16, &data);
if (err) {
dev_err(&priv->i2c_client->dev,
"invalid eeprom string\n");
return -EINVAL;
}
priv->eeprom_buf[i] = (u8)data;
err = regmap_write(priv->eeprom[i >> 8].regmap,
i & 0xFF, (u8)data);
if (err)
return err;
msleep(20);
}
return 0;
}
static int ov5693_read_otp_bank(struct ov5693 *priv,
u8 *buf, int bank, u16 addr, int size)
{
int err;
/* sleeps calls in the sequence below are for internal device
* signal propagation as specified by sensor vendor */
usleep_range(10000, 11000);
err = ov5693_write_table(priv, mode_table[OV5693_MODE_START_STREAM]);
#if defined(RADA_DVR_EVALUATION) || defined(RADA_DVR)
err = 0;
#endif
if (err)
return err;
err = ov5693_write_reg(priv->s_data, OV5693_OTP_BANK_SELECT_ADDR,
0xC0 | bank);
#if defined(RADA_DVR_EVALUATION) || defined(RADA_DVR)
err = 0;
#endif
if (err)
return err;
err = ov5693_write_reg(priv->s_data, OV5693_OTP_LOAD_CTRL_ADDR, 0x01);
#if defined(RADA_DVR_EVALUATION) || defined(RADA_DVR)
err = 0;
#endif
if (err)
return err;
usleep_range(10000, 11000);
err = regmap_bulk_read(priv->regmap, addr, buf, size);
#if defined(RADA_DVR_EVALUATION) || defined(RADA_DVR)
err = 0;
#endif
if (err)
return err;
err = ov5693_write_table(priv,
mode_table[OV5693_MODE_STOP_STREAM]);
#if defined(RADA_DVR_EVALUATION) || defined(RADA_DVR)
err = 0;
#endif
if (err)
return err;
return 0;
}
static int ov5693_otp_setup(struct ov5693 *priv)
{
int err;
int i;
struct v4l2_ctrl *ctrl;
u8 otp_buf[OV5693_OTP_SIZE];
err = camera_common_s_power(priv->subdev, true);
if (err)
return -ENODEV;
for (i = 0; i < OV5693_OTP_NUM_BANKS; i++) {
err = ov5693_read_otp_bank(priv,
&otp_buf[i * OV5693_OTP_BANK_SIZE],
i,
OV5693_OTP_BANK_START_ADDR,
OV5693_OTP_BANK_SIZE);
if (err) {
dev_err(&priv->i2c_client->dev,
"could not read otp bank\n");
goto ret;
}
}
ctrl = v4l2_ctrl_find(&priv->ctrl_handler, TEGRA_CAMERA_CID_OTP_DATA);
if (!ctrl) {
dev_err(&priv->i2c_client->dev,
"could not find device ctrl.\n");
err = -EINVAL;
goto ret;
}
for (i = 0; i < OV5693_OTP_SIZE; i++)
sprintf(&ctrl->p_new.p_char[i*2], "%02x",
otp_buf[i]);
ctrl->p_cur.p_char = ctrl->p_new.p_char;
ret:
camera_common_s_power(priv->subdev, false);
return err;
}
static int ov5693_fuse_id_setup(struct ov5693 *priv)
{
int err;
int i;
struct v4l2_ctrl *ctrl;
u8 fuse_id[OV5693_FUSE_ID_SIZE];
err = camera_common_s_power(priv->subdev, true);
if (err)
return -ENODEV;
err = ov5693_read_otp_bank(priv,
&fuse_id[0],
OV5693_FUSE_ID_OTP_BANK,
OV5693_FUSE_ID_OTP_START_ADDR,
OV5693_FUSE_ID_SIZE);
if (err) {
dev_err(&priv->i2c_client->dev,
"could not read otp bank\n");
goto ret;
}
ctrl = v4l2_ctrl_find(&priv->ctrl_handler, TEGRA_CAMERA_CID_FUSE_ID);
if (!ctrl) {
dev_err(&priv->i2c_client->dev,
"could not find device ctrl.\n");
err = -EINVAL;
goto ret;
}
for (i = 0; i < OV5693_FUSE_ID_SIZE; i++)
sprintf(&ctrl->p_new.p_char[i*2], "%02x",
fuse_id[i]);
ctrl->p_cur.p_char = ctrl->p_new.p_char;
ret:
camera_common_s_power(priv->subdev, false);
return err;
}
static int ov5693_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
struct ov5693 *priv =
container_of(ctrl->handler, struct ov5693, ctrl_handler);
int err = 0;
if (priv->power.state == SWITCH_OFF)
return 0;
switch (ctrl->id) {
case TEGRA_CAMERA_CID_EEPROM_DATA:
err = ov5693_read_eeprom(priv, ctrl);
if (err)
return err;
break;
default:
pr_err("%s: unknown ctrl id.\n", __func__);
return -EINVAL;
}
return err;
}
static int ov5693_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct ov5693 *priv =
container_of(ctrl->handler, struct ov5693, ctrl_handler);
int err = 0;
if (priv->power.state == SWITCH_OFF)
return 0;
switch (ctrl->id) {
case TEGRA_CAMERA_CID_GAIN:
err = ov5693_set_gain(priv, ctrl->val);
break;
case TEGRA_CAMERA_CID_FRAME_LENGTH:
err = ov5693_set_frame_length(priv, ctrl->val);
break;
case TEGRA_CAMERA_CID_COARSE_TIME:
err = ov5693_set_coarse_time(priv, ctrl->val);
break;
case TEGRA_CAMERA_CID_COARSE_TIME_SHORT:
err = ov5693_set_coarse_time_short(priv, ctrl->val);
break;
case TEGRA_CAMERA_CID_GROUP_HOLD:
if (switch_ctrl_qmenu[ctrl->val] == SWITCH_ON) {
priv->group_hold_en = true;
} else {
priv->group_hold_en = false;
err = ov5693_set_group_hold(priv);
}
break;
case TEGRA_CAMERA_CID_EEPROM_DATA:
if (!ctrl->p_new.p_char[0])
break;
err = ov5693_write_eeprom(priv, ctrl->p_new.p_char);
if (err)
return err;
break;
case TEGRA_CAMERA_CID_HDR_EN:
break;
default:
pr_err("%s: unknown ctrl id.\n", __func__);
return -EINVAL;
}
return err;
}
static int ov5693_ctrls_init(struct ov5693 *priv, bool eeprom_ctrl)
{
struct i2c_client *client = priv->i2c_client;
struct camera_common_data *common_data = priv->s_data;
struct v4l2_ctrl *ctrl;
int numctrls;
int err;
int i;
dev_dbg(&client->dev, "%s++\n", __func__);
numctrls = ARRAY_SIZE(ctrl_config_list);
v4l2_ctrl_handler_init(&priv->ctrl_handler, numctrls);
for (i = 0; i < numctrls; i++) {
/*
* Skip control 'TEGRA_CAMERA_CID_EEPROM_DATA'
* if eeprom inint err
*/
if (ctrl_config_list[i].id == TEGRA_CAMERA_CID_EEPROM_DATA) {
if (!eeprom_ctrl) {
common_data->numctrls -= 1;
continue;
}
}
ctrl = v4l2_ctrl_new_custom(&priv->ctrl_handler,
&ctrl_config_list[i], NULL);
if (ctrl == NULL) {
dev_err(&client->dev, "Failed to init %s ctrl\n",
ctrl_config_list[i].name);
continue;
}
if (ctrl_config_list[i].type == V4L2_CTRL_TYPE_STRING &&
ctrl_config_list[i].flags & V4L2_CTRL_FLAG_READ_ONLY) {
ctrl->p_new.p_char = devm_kzalloc(&client->dev,
ctrl_config_list[i].max + 1, GFP_KERNEL);
if (!ctrl->p_new.p_char)
return -ENOMEM;
}
priv->ctrls[i] = ctrl;
}
priv->numctrls = numctrls;
priv->subdev->ctrl_handler = &priv->ctrl_handler;
if (priv->ctrl_handler.error) {
dev_err(&client->dev, "Error %d adding controls\n",
priv->ctrl_handler.error);
err = priv->ctrl_handler.error;
goto error;
}
err = v4l2_ctrl_handler_setup(&priv->ctrl_handler);
if (err) {
dev_err(&client->dev,
"Error %d setting default controls\n", err);
goto error;
}
err = ov5693_otp_setup(priv);
if (err) {
dev_err(&client->dev,
"Error %d reading otp data\n", err);
goto error;
}
err = ov5693_fuse_id_setup(priv);
if (err) {
dev_err(&client->dev,
"Error %d reading fuse id data\n", err);
goto error;
}
return 0;
error:
v4l2_ctrl_handler_free(&priv->ctrl_handler);
return err;
}
MODULE_DEVICE_TABLE(of, ov5693_of_match);
static struct camera_common_pdata *ov5693_parse_dt(struct i2c_client *client)
{
struct device_node *node = client->dev.of_node;
struct camera_common_pdata *board_priv_pdata;
const struct of_device_id *match;
int gpio;
int err;
struct camera_common_pdata *ret = NULL;
if (!node)
return NULL;
match = of_match_device(ov5693_of_match, &client->dev);
if (!match) {
dev_err(&client->dev, "Failed to find matching dt id\n");
return NULL;
}
board_priv_pdata = devm_kzalloc(&client->dev,
sizeof(*board_priv_pdata), GFP_KERNEL);
if (!board_priv_pdata)
return NULL;
err = camera_common_parse_clocks(&client->dev, board_priv_pdata);
if (err) {
dev_err(&client->dev, "Failed to find clocks\n");
goto error;
}
gpio = of_get_named_gpio(node, "pwdn-gpios", 0);
if (gpio < 0) {
if (gpio == -EPROBE_DEFER) {
ret = ERR_PTR(-EPROBE_DEFER);
goto error;
}
dev_err(&client->dev, "pwdn gpios not in DT\n");
goto error;
}
board_priv_pdata->pwdn_gpio = (unsigned int)gpio;
gpio = of_get_named_gpio(node, "reset-gpios", 0);
if (gpio < 0) {
/* reset-gpio is not absolutely needed */
if (gpio == -EPROBE_DEFER) {
ret = ERR_PTR(-EPROBE_DEFER);
goto error;
}
dev_dbg(&client->dev, "reset gpios not in DT\n");
gpio = 0;
}
board_priv_pdata->reset_gpio = (unsigned int)gpio;
board_priv_pdata->use_cam_gpio =
of_property_read_bool(node, "cam,use-cam-gpio");
err = of_property_read_string(node, "avdd-reg",
&board_priv_pdata->regulators.avdd);
if (err) {
dev_err(&client->dev, "avdd-reg not in DT\n");
goto error;
}
err = of_property_read_string(node, "iovdd-reg",
&board_priv_pdata->regulators.iovdd);
if (err) {
dev_err(&client->dev, "iovdd-reg not in DT\n");
goto error;
}
board_priv_pdata->has_eeprom =
of_property_read_bool(node, "has-eeprom");
board_priv_pdata->v_flip = of_property_read_bool(node, "vertical-flip");
board_priv_pdata->h_mirror = of_property_read_bool(node,
"horizontal-mirror");
return board_priv_pdata;
error:
devm_kfree(&client->dev, board_priv_pdata);
return ret;
}
static int ov5693_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
dev_dbg(&client->dev, "%s:\n", __func__);
return 0;
}
static const struct v4l2_subdev_internal_ops ov5693_subdev_internal_ops = {
.open = ov5693_open,
};
static const struct media_entity_operations ov5693_media_ops = {
.link_validate = v4l2_subdev_link_validate,
};
static int ov5693_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct camera_common_data *common_data;
struct device_node *node = client->dev.of_node;
struct ov5693 *priv;
int err;
pr_info("[OV5693]: probing v4l2 sensor.\n");
if (!IS_ENABLED(CONFIG_OF) || !node)
return -EINVAL;
common_data = devm_kzalloc(&client->dev,
sizeof(struct camera_common_data), GFP_KERNEL);
if (!common_data)
return -ENOMEM;
priv = devm_kzalloc(&client->dev,
sizeof(struct ov5693) + sizeof(struct v4l2_ctrl *) *
ARRAY_SIZE(ctrl_config_list),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->regmap = devm_regmap_init_i2c(client, &ov5693_regmap_config);
if (IS_ERR(priv->regmap)) {
dev_err(&client->dev,
"regmap init failed: %ld\n", PTR_ERR(priv->regmap));
return -ENODEV;
}
priv->pdata = ov5693_parse_dt(client);
if (PTR_ERR(priv->pdata) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (!priv->pdata) {
dev_err(&client->dev, "unable to get platform data\n");
return -EFAULT;
}
common_data->ops = &ov5693_common_ops;
common_data->ctrl_handler = &priv->ctrl_handler;
common_data->dev = &client->dev;
common_data->frmfmt = ov5693_frmfmt;
common_data->colorfmt = camera_common_find_datafmt(
OV5693_DEFAULT_DATAFMT);
common_data->power = &priv->power;
common_data->ctrls = priv->ctrls;
common_data->priv = (void *)priv;
common_data->numctrls = ARRAY_SIZE(ctrl_config_list);
common_data->numfmts = ARRAY_SIZE(ov5693_frmfmt);
common_data->def_mode = OV5693_DEFAULT_MODE;
common_data->def_width = OV5693_DEFAULT_WIDTH;
common_data->def_height = OV5693_DEFAULT_HEIGHT;
common_data->fmt_width = common_data->def_width;
common_data->fmt_height = common_data->def_height;
common_data->def_clk_freq = OV5693_DEFAULT_CLK_FREQ;
priv->i2c_client = client;
priv->s_data = common_data;
priv->subdev = &common_data->subdev;
priv->subdev->dev = &client->dev;
priv->s_data->dev = &client->dev;
err = ov5693_power_get(priv);
if (err)
return err;
err = camera_common_initialize(common_data, "ov5693");
if (err) {
dev_err(&client->dev, "Failed to initialize ov5693.\n");
return err;
}
v4l2_i2c_subdev_init(priv->subdev, client, &ov5693_subdev_ops);
/* eeprom interface */
err = ov5693_eeprom_device_init(priv);
if (err && priv->pdata->has_eeprom)
dev_err(&client->dev,
"Failed to allocate eeprom reg map: %d\n", err);
err = ov5693_ctrls_init(priv, !err);
if (err)
return err;
priv->subdev->internal_ops = &ov5693_subdev_internal_ops;
priv->subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#if defined(CONFIG_MEDIA_CONTROLLER)
priv->pad.flags = MEDIA_PAD_FL_SOURCE;
priv->subdev->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
priv->subdev->entity.ops = &ov5693_media_ops;
err = media_entity_init(&priv->subdev->entity, 1, &priv->pad, 0);
if (err < 0) {
dev_err(&client->dev, "unable to init media entity\n");
return err;
}
#endif
err = v4l2_async_register_subdev(priv->subdev);
if (err)
return err;
dev_dbg(&client->dev, "Detected OV5693 sensor\n");
return 0;
}
static int
ov5693_remove(struct i2c_client *client)
{
struct camera_common_data *s_data = to_camera_common_data(&client->dev);
struct ov5693 *priv = (struct ov5693 *)s_data->priv;
v4l2_async_unregister_subdev(priv->subdev);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&priv->subdev->entity);
#endif
v4l2_ctrl_handler_free(&priv->ctrl_handler);
ov5693_power_put(priv);
camera_common_cleanup(s_data);
return 0;
}
static const struct i2c_device_id ov5693_id[] = {
{ "ov5693", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ov5693_id);
static struct i2c_driver ov5693_i2c_driver = {
.driver = {
.name = "ov5693",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(ov5693_of_match),
},
.probe = ov5693_probe,
.remove = ov5693_remove,
.id_table = ov5693_id,
};
module_i2c_driver(ov5693_i2c_driver);
MODULE_DESCRIPTION("SoC Camera driver for Sony OV5693");
MODULE_AUTHOR("David Wang ");
MODULE_LICENSE("GPL v2");