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linux-sg2042/drivers/media/i2c/imx290.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Sony IMX290 CMOS Image Sensor Driver
*
* Copyright (C) 2019 FRAMOS GmbH.
*
* Copyright (C) 2019 Linaro Ltd.
* Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
*/
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <media/media-entity.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-subdev.h>
#define IMX290_STANDBY 0x3000
#define IMX290_REGHOLD 0x3001
#define IMX290_XMSTA 0x3002
#define IMX290_GAIN 0x3014
#define IMX290_DEFAULT_LINK_FREQ 445500000
static const char * const imx290_supply_name[] = {
"vdda",
"vddd",
"vdddo",
};
#define IMX290_NUM_SUPPLIES ARRAY_SIZE(imx290_supply_name)
struct imx290_regval {
u16 reg;
u8 val;
};
struct imx290_mode {
u32 width;
u32 height;
u32 pixel_rate;
u32 link_freq_index;
const struct imx290_regval *data;
u32 data_size;
};
struct imx290 {
struct device *dev;
struct clk *xclk;
struct regmap *regmap;
struct v4l2_subdev sd;
struct v4l2_fwnode_endpoint ep;
struct media_pad pad;
struct v4l2_mbus_framefmt current_format;
const struct imx290_mode *current_mode;
struct regulator_bulk_data supplies[IMX290_NUM_SUPPLIES];
struct gpio_desc *rst_gpio;
struct v4l2_ctrl_handler ctrls;
struct v4l2_ctrl *link_freq;
struct v4l2_ctrl *pixel_rate;
struct mutex lock;
};
struct imx290_pixfmt {
u32 code;
};
static const struct imx290_pixfmt imx290_formats[] = {
{ MEDIA_BUS_FMT_SRGGB10_1X10 },
};
static const struct regmap_config imx290_regmap_config = {
.reg_bits = 16,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
};
static const struct imx290_regval imx290_global_init_settings[] = {
{ 0x3007, 0x00 },
{ 0x3009, 0x00 },
{ 0x3018, 0x65 },
{ 0x3019, 0x04 },
{ 0x301a, 0x00 },
{ 0x3443, 0x03 },
{ 0x3444, 0x20 },
{ 0x3445, 0x25 },
{ 0x3407, 0x03 },
{ 0x303a, 0x0c },
{ 0x3040, 0x00 },
{ 0x3041, 0x00 },
{ 0x303c, 0x00 },
{ 0x303d, 0x00 },
{ 0x3042, 0x9c },
{ 0x3043, 0x07 },
{ 0x303e, 0x49 },
{ 0x303f, 0x04 },
{ 0x304b, 0x0a },
{ 0x300f, 0x00 },
{ 0x3010, 0x21 },
{ 0x3012, 0x64 },
{ 0x3016, 0x09 },
{ 0x3070, 0x02 },
{ 0x3071, 0x11 },
{ 0x309b, 0x10 },
{ 0x309c, 0x22 },
{ 0x30a2, 0x02 },
{ 0x30a6, 0x20 },
{ 0x30a8, 0x20 },
{ 0x30aa, 0x20 },
{ 0x30ac, 0x20 },
{ 0x30b0, 0x43 },
{ 0x3119, 0x9e },
{ 0x311c, 0x1e },
{ 0x311e, 0x08 },
{ 0x3128, 0x05 },
{ 0x313d, 0x83 },
{ 0x3150, 0x03 },
{ 0x317e, 0x00 },
{ 0x32b8, 0x50 },
{ 0x32b9, 0x10 },
{ 0x32ba, 0x00 },
{ 0x32bb, 0x04 },
{ 0x32c8, 0x50 },
{ 0x32c9, 0x10 },
{ 0x32ca, 0x00 },
{ 0x32cb, 0x04 },
{ 0x332c, 0xd3 },
{ 0x332d, 0x10 },
{ 0x332e, 0x0d },
{ 0x3358, 0x06 },
{ 0x3359, 0xe1 },
{ 0x335a, 0x11 },
{ 0x3360, 0x1e },
{ 0x3361, 0x61 },
{ 0x3362, 0x10 },
{ 0x33b0, 0x50 },
{ 0x33b2, 0x1a },
{ 0x33b3, 0x04 },
};
static const struct imx290_regval imx290_1080p_settings[] = {
/* mode settings */
{ 0x3007, 0x00 },
{ 0x303a, 0x0c },
{ 0x3414, 0x0a },
{ 0x3472, 0x80 },
{ 0x3473, 0x07 },
{ 0x3418, 0x38 },
{ 0x3419, 0x04 },
{ 0x3012, 0x64 },
{ 0x3013, 0x00 },
{ 0x305c, 0x18 },
{ 0x305d, 0x03 },
{ 0x305e, 0x20 },
{ 0x305f, 0x01 },
{ 0x315e, 0x1a },
{ 0x3164, 0x1a },
{ 0x3480, 0x49 },
/* data rate settings */
{ 0x3009, 0x01 },
{ 0x3405, 0x10 },
{ 0x3446, 0x57 },
{ 0x3447, 0x00 },
{ 0x3448, 0x37 },
{ 0x3449, 0x00 },
{ 0x344a, 0x1f },
{ 0x344b, 0x00 },
{ 0x344c, 0x1f },
{ 0x344d, 0x00 },
{ 0x344e, 0x1f },
{ 0x344f, 0x00 },
{ 0x3450, 0x77 },
{ 0x3451, 0x00 },
{ 0x3452, 0x1f },
{ 0x3453, 0x00 },
{ 0x3454, 0x17 },
{ 0x3455, 0x00 },
{ 0x301c, 0x98 },
{ 0x301d, 0x08 },
};
static const struct imx290_regval imx290_720p_settings[] = {
/* mode settings */
{ 0x3007, 0x10 },
{ 0x303a, 0x06 },
{ 0x3414, 0x04 },
{ 0x3472, 0x00 },
{ 0x3473, 0x05 },
{ 0x3418, 0xd0 },
{ 0x3419, 0x02 },
{ 0x3012, 0x64 },
{ 0x3013, 0x00 },
{ 0x305c, 0x20 },
{ 0x305d, 0x00 },
{ 0x305e, 0x20 },
{ 0x305f, 0x01 },
{ 0x315e, 0x1a },
{ 0x3164, 0x1a },
{ 0x3480, 0x49 },
/* data rate settings */
{ 0x3009, 0x01 },
{ 0x3405, 0x10 },
{ 0x3446, 0x4f },
{ 0x3447, 0x00 },
{ 0x3448, 0x2f },
{ 0x3449, 0x00 },
{ 0x344a, 0x17 },
{ 0x344b, 0x00 },
{ 0x344c, 0x17 },
{ 0x344d, 0x00 },
{ 0x344e, 0x17 },
{ 0x344f, 0x00 },
{ 0x3450, 0x57 },
{ 0x3451, 0x00 },
{ 0x3452, 0x17 },
{ 0x3453, 0x00 },
{ 0x3454, 0x17 },
{ 0x3455, 0x00 },
{ 0x301c, 0xe4 },
{ 0x301d, 0x0c },
};
static const struct imx290_regval imx290_10bit_settings[] = {
{ 0x3005, 0x00},
{ 0x3046, 0x00},
{ 0x3129, 0x1d},
{ 0x317c, 0x12},
{ 0x31ec, 0x37},
{ 0x3441, 0x0a},
{ 0x3442, 0x0a},
{ 0x300a, 0x3c},
{ 0x300b, 0x00},
};
/* supported link frequencies */
static const s64 imx290_link_freq[] = {
IMX290_DEFAULT_LINK_FREQ,
};
/* Mode configs */
static const struct imx290_mode imx290_modes[] = {
{
.width = 1920,
.height = 1080,
.data = imx290_1080p_settings,
.data_size = ARRAY_SIZE(imx290_1080p_settings),
.pixel_rate = 178200000,
.link_freq_index = 0,
},
{
.width = 1280,
.height = 720,
.data = imx290_720p_settings,
.data_size = ARRAY_SIZE(imx290_720p_settings),
.pixel_rate = 178200000,
.link_freq_index = 0,
},
};
static inline struct imx290 *to_imx290(struct v4l2_subdev *_sd)
{
return container_of(_sd, struct imx290, sd);
}
static inline int imx290_read_reg(struct imx290 *imx290, u16 addr, u8 *value)
{
unsigned int regval;
int ret;
ret = regmap_read(imx290->regmap, addr, &regval);
if (ret) {
dev_err(imx290->dev, "I2C read failed for addr: %x\n", addr);
return ret;
}
*value = regval & 0xff;
return 0;
}
static int imx290_write_reg(struct imx290 *imx290, u16 addr, u8 value)
{
int ret;
ret = regmap_write(imx290->regmap, addr, value);
if (ret) {
dev_err(imx290->dev, "I2C write failed for addr: %x\n", addr);
return ret;
}
return ret;
}
static int imx290_set_register_array(struct imx290 *imx290,
const struct imx290_regval *settings,
unsigned int num_settings)
{
unsigned int i;
int ret;
for (i = 0; i < num_settings; ++i, ++settings) {
ret = imx290_write_reg(imx290, settings->reg, settings->val);
if (ret < 0)
return ret;
/* Settle time is 10ms for all registers */
msleep(10);
}
return 0;
}
static int imx290_write_buffered_reg(struct imx290 *imx290, u16 address_low,
u8 nr_regs, u32 value)
{
unsigned int i;
int ret;
ret = imx290_write_reg(imx290, IMX290_REGHOLD, 0x01);
if (ret) {
dev_err(imx290->dev, "Error setting hold register\n");
return ret;
}
for (i = 0; i < nr_regs; i++) {
ret = imx290_write_reg(imx290, address_low + i,
(u8)(value >> (i * 8)));
if (ret) {
dev_err(imx290->dev, "Error writing buffered registers\n");
return ret;
}
}
ret = imx290_write_reg(imx290, IMX290_REGHOLD, 0x00);
if (ret) {
dev_err(imx290->dev, "Error setting hold register\n");
return ret;
}
return ret;
}
static int imx290_set_gain(struct imx290 *imx290, u32 value)
{
int ret;
ret = imx290_write_buffered_reg(imx290, IMX290_GAIN, 1, value);
if (ret)
dev_err(imx290->dev, "Unable to write gain\n");
return ret;
}
/* Stop streaming */
static int imx290_stop_streaming(struct imx290 *imx290)
{
int ret;
ret = imx290_write_reg(imx290, IMX290_STANDBY, 0x01);
if (ret < 0)
return ret;
msleep(30);
return imx290_write_reg(imx290, IMX290_XMSTA, 0x01);
}
static int imx290_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx290 *imx290 = container_of(ctrl->handler,
struct imx290, ctrls);
int ret = 0;
/* V4L2 controls values will be applied only when power is already up */
if (!pm_runtime_get_if_in_use(imx290->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_GAIN:
ret = imx290_set_gain(imx290, ctrl->val);
break;
default:
ret = -EINVAL;
break;
}
pm_runtime_put(imx290->dev);
return ret;
}
static const struct v4l2_ctrl_ops imx290_ctrl_ops = {
.s_ctrl = imx290_set_ctrl,
};
static int imx290_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->index >= ARRAY_SIZE(imx290_formats))
return -EINVAL;
code->code = imx290_formats[code->index].code;
return 0;
}
static int imx290_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
struct imx290 *imx290 = to_imx290(sd);
struct v4l2_mbus_framefmt *framefmt;
mutex_lock(&imx290->lock);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
framefmt = v4l2_subdev_get_try_format(&imx290->sd, cfg,
fmt->pad);
else
framefmt = &imx290->current_format;
fmt->format = *framefmt;
mutex_unlock(&imx290->lock);
return 0;
}
static int imx290_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_format *fmt)
{
struct imx290 *imx290 = to_imx290(sd);
const struct imx290_mode *mode;
struct v4l2_mbus_framefmt *format;
unsigned int i;
mutex_lock(&imx290->lock);
mode = v4l2_find_nearest_size(imx290_modes,
ARRAY_SIZE(imx290_modes),
width, height,
fmt->format.width, fmt->format.height);
fmt->format.width = mode->width;
fmt->format.height = mode->height;
for (i = 0; i < ARRAY_SIZE(imx290_formats); i++)
if (imx290_formats[i].code == fmt->format.code)
break;
if (i >= ARRAY_SIZE(imx290_formats))
i = 0;
fmt->format.code = imx290_formats[i].code;
fmt->format.field = V4L2_FIELD_NONE;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
format = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
} else {
format = &imx290->current_format;
__v4l2_ctrl_s_ctrl(imx290->link_freq, mode->link_freq_index);
__v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate, mode->pixel_rate);
imx290->current_mode = mode;
}
*format = fmt->format;
mutex_unlock(&imx290->lock);
return 0;
}
static int imx290_entity_init_cfg(struct v4l2_subdev *subdev,
struct v4l2_subdev_pad_config *cfg)
{
struct v4l2_subdev_format fmt = { 0 };
fmt.which = cfg ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
fmt.format.width = 1920;
fmt.format.height = 1080;
imx290_set_fmt(subdev, cfg, &fmt);
return 0;
}
static int imx290_write_current_format(struct imx290 *imx290,
struct v4l2_mbus_framefmt *format)
{
int ret;
switch (format->code) {
case MEDIA_BUS_FMT_SRGGB10_1X10:
ret = imx290_set_register_array(imx290, imx290_10bit_settings,
ARRAY_SIZE(
imx290_10bit_settings));
if (ret < 0) {
dev_err(imx290->dev, "Could not set format registers\n");
return ret;
}
break;
default:
dev_err(imx290->dev, "Unknown pixel format\n");
return -EINVAL;
}
return 0;
}
/* Start streaming */
static int imx290_start_streaming(struct imx290 *imx290)
{
int ret;
/* Set init register settings */
ret = imx290_set_register_array(imx290, imx290_global_init_settings,
ARRAY_SIZE(
imx290_global_init_settings));
if (ret < 0) {
dev_err(imx290->dev, "Could not set init registers\n");
return ret;
}
/* Set current frame format */
ret = imx290_write_current_format(imx290, &imx290->current_format);
if (ret < 0) {
dev_err(imx290->dev, "Could not set frame format\n");
return ret;
}
/* Apply default values of current mode */
ret = imx290_set_register_array(imx290, imx290->current_mode->data,
imx290->current_mode->data_size);
if (ret < 0) {
dev_err(imx290->dev, "Could not set current mode\n");
return ret;
}
/* Apply customized values from user */
ret = v4l2_ctrl_handler_setup(imx290->sd.ctrl_handler);
if (ret) {
dev_err(imx290->dev, "Could not sync v4l2 controls\n");
return ret;
}
ret = imx290_write_reg(imx290, IMX290_STANDBY, 0x00);
if (ret < 0)
return ret;
msleep(30);
/* Start streaming */
return imx290_write_reg(imx290, IMX290_XMSTA, 0x00);
}
static int imx290_set_stream(struct v4l2_subdev *sd, int enable)
{
struct imx290 *imx290 = to_imx290(sd);
int ret = 0;
if (enable) {
ret = pm_runtime_get_sync(imx290->dev);
if (ret < 0) {
pm_runtime_put_noidle(imx290->dev);
goto unlock_and_return;
}
ret = imx290_start_streaming(imx290);
if (ret) {
dev_err(imx290->dev, "Start stream failed\n");
pm_runtime_put(imx290->dev);
goto unlock_and_return;
}
} else {
imx290_stop_streaming(imx290);
pm_runtime_put(imx290->dev);
}
unlock_and_return:
return ret;
}
static int imx290_get_regulators(struct device *dev, struct imx290 *imx290)
{
unsigned int i;
for (i = 0; i < IMX290_NUM_SUPPLIES; i++)
imx290->supplies[i].supply = imx290_supply_name[i];
return devm_regulator_bulk_get(dev, IMX290_NUM_SUPPLIES,
imx290->supplies);
}
static int imx290_power_on(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx290 *imx290 = to_imx290(sd);
int ret;
ret = clk_prepare_enable(imx290->xclk);
if (ret) {
dev_err(imx290->dev, "Failed to enable clock\n");
return ret;
}
ret = regulator_bulk_enable(IMX290_NUM_SUPPLIES, imx290->supplies);
if (ret) {
dev_err(imx290->dev, "Failed to enable regulators\n");
clk_disable_unprepare(imx290->xclk);
return ret;
}
usleep_range(1, 2);
gpiod_set_value_cansleep(imx290->rst_gpio, 1);
usleep_range(30000, 31000);
return 0;
}
static int imx290_power_off(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx290 *imx290 = to_imx290(sd);
clk_disable_unprepare(imx290->xclk);
gpiod_set_value_cansleep(imx290->rst_gpio, 0);
regulator_bulk_disable(IMX290_NUM_SUPPLIES, imx290->supplies);
return 0;
}
static const struct dev_pm_ops imx290_pm_ops = {
SET_RUNTIME_PM_OPS(imx290_power_on, imx290_power_off, NULL)
};
static const struct v4l2_subdev_video_ops imx290_video_ops = {
.s_stream = imx290_set_stream,
};
static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
.init_cfg = imx290_entity_init_cfg,
.enum_mbus_code = imx290_enum_mbus_code,
.get_fmt = imx290_get_fmt,
.set_fmt = imx290_set_fmt,
};
static const struct v4l2_subdev_ops imx290_subdev_ops = {
.video = &imx290_video_ops,
.pad = &imx290_pad_ops,
};
static const struct media_entity_operations imx290_subdev_entity_ops = {
.link_validate = v4l2_subdev_link_validate,
};
static int imx290_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct fwnode_handle *endpoint;
struct imx290 *imx290;
u32 xclk_freq;
int ret;
imx290 = devm_kzalloc(dev, sizeof(*imx290), GFP_KERNEL);
if (!imx290)
return -ENOMEM;
imx290->dev = dev;
imx290->regmap = devm_regmap_init_i2c(client, &imx290_regmap_config);
if (IS_ERR(imx290->regmap)) {
dev_err(dev, "Unable to initialize I2C\n");
return -ENODEV;
}
endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL);
if (!endpoint) {
dev_err(dev, "Endpoint node not found\n");
return -EINVAL;
}
ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &imx290->ep);
fwnode_handle_put(endpoint);
if (ret) {
dev_err(dev, "Parsing endpoint node failed\n");
goto free_err;
}
if (!imx290->ep.nr_of_link_frequencies) {
dev_err(dev, "link-frequency property not found in DT\n");
ret = -EINVAL;
goto free_err;
}
if (imx290->ep.link_frequencies[0] != IMX290_DEFAULT_LINK_FREQ) {
dev_err(dev, "Unsupported link frequency\n");
ret = -EINVAL;
goto free_err;
}
/* Only CSI2 is supported for now */
if (imx290->ep.bus_type != V4L2_MBUS_CSI2_DPHY) {
dev_err(dev, "Unsupported bus type, should be CSI2\n");
ret = -EINVAL;
goto free_err;
}
/* Set default mode to max resolution */
imx290->current_mode = &imx290_modes[0];
/* get system clock (xclk) */
imx290->xclk = devm_clk_get(dev, "xclk");
if (IS_ERR(imx290->xclk)) {
dev_err(dev, "Could not get xclk");
ret = PTR_ERR(imx290->xclk);
goto free_err;
}
ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",
&xclk_freq);
if (ret) {
dev_err(dev, "Could not get xclk frequency\n");
goto free_err;
}
/* external clock must be 37.125 MHz */
if (xclk_freq != 37125000) {
dev_err(dev, "External clock frequency %u is not supported\n",
xclk_freq);
ret = -EINVAL;
goto free_err;
}
ret = clk_set_rate(imx290->xclk, xclk_freq);
if (ret) {
dev_err(dev, "Could not set xclk frequency\n");
goto free_err;
}
ret = imx290_get_regulators(dev, imx290);
if (ret < 0) {
dev_err(dev, "Cannot get regulators\n");
goto free_err;
}
imx290->rst_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);
if (IS_ERR(imx290->rst_gpio)) {
dev_err(dev, "Cannot get reset gpio\n");
ret = PTR_ERR(imx290->rst_gpio);
goto free_err;
}
mutex_init(&imx290->lock);
v4l2_ctrl_handler_init(&imx290->ctrls, 3);
v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
V4L2_CID_GAIN, 0, 72, 1, 0);
imx290->link_freq =
v4l2_ctrl_new_int_menu(&imx290->ctrls,
&imx290_ctrl_ops,
V4L2_CID_LINK_FREQ,
ARRAY_SIZE(imx290_link_freq) - 1,
0, imx290_link_freq);
if (imx290->link_freq)
imx290->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
imx290->pixel_rate = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
V4L2_CID_PIXEL_RATE, 1,
INT_MAX, 1,
imx290_modes[0].pixel_rate);
imx290->sd.ctrl_handler = &imx290->ctrls;
if (imx290->ctrls.error) {
dev_err(dev, "Control initialization error %d\n",
imx290->ctrls.error);
ret = imx290->ctrls.error;
goto free_ctrl;
}
v4l2_i2c_subdev_init(&imx290->sd, client, &imx290_subdev_ops);
imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
imx290->sd.dev = &client->dev;
imx290->sd.entity.ops = &imx290_subdev_entity_ops;
imx290->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
imx290->pad.flags = MEDIA_PAD_FL_SOURCE;
ret = media_entity_pads_init(&imx290->sd.entity, 1, &imx290->pad);
if (ret < 0) {
dev_err(dev, "Could not register media entity\n");
goto free_ctrl;
}
ret = v4l2_async_register_subdev(&imx290->sd);
if (ret < 0) {
dev_err(dev, "Could not register v4l2 device\n");
goto free_entity;
}
/* Power on the device to match runtime PM state below */
ret = imx290_power_on(dev);
if (ret < 0) {
dev_err(dev, "Could not power on the device\n");
goto free_entity;
}
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
pm_runtime_idle(dev);
v4l2_fwnode_endpoint_free(&imx290->ep);
return 0;
free_entity:
media_entity_cleanup(&imx290->sd.entity);
free_ctrl:
v4l2_ctrl_handler_free(&imx290->ctrls);
mutex_destroy(&imx290->lock);
free_err:
v4l2_fwnode_endpoint_free(&imx290->ep);
return ret;
}
static int imx290_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx290 *imx290 = to_imx290(sd);
v4l2_async_unregister_subdev(sd);
media_entity_cleanup(&sd->entity);
v4l2_ctrl_handler_free(sd->ctrl_handler);
mutex_destroy(&imx290->lock);
pm_runtime_disable(imx290->dev);
if (!pm_runtime_status_suspended(imx290->dev))
imx290_power_off(imx290->dev);
pm_runtime_set_suspended(imx290->dev);
return 0;
}
static const struct of_device_id imx290_of_match[] = {
{ .compatible = "sony,imx290" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, imx290_of_match);
static struct i2c_driver imx290_i2c_driver = {
.probe_new = imx290_probe,
.remove = imx290_remove,
.driver = {
.name = "imx290",
.pm = &imx290_pm_ops,
.of_match_table = of_match_ptr(imx290_of_match),
},
};
module_i2c_driver(imx290_i2c_driver);
MODULE_DESCRIPTION("Sony IMX290 CMOS Image Sensor Driver");
MODULE_AUTHOR("FRAMOS GmbH");
MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
MODULE_LICENSE("GPL v2");
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