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CoolPi-Armbian-Rockchip-RK3.../drivers/media/i2c/nvp6158_drv/nvp6158_v4l2.c

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// SPDX-License-Identifier: GPL-2.0
/*
* nvp6158_v4l2 interface driver
*
* Copyright (c) 2021 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X00 first version.
* V0.0X01.0X01
* 1. add workqueue to detect ahd state.
* 2. add more resolution support.
*/
#include <linux/clk.h>
#include <linux/device.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/regulator/consumer.h>
#include <linux/sysfs.h>
#include <media/media-entity.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-fwnode.h>
#include <linux/pinctrl/consumer.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
#include <linux/mfd/syscon.h>
#include <linux/version.h>
#include <linux/rk-camera-module.h>
#include <linux/rk-preisp.h>
#include "nvp6158_common.h"
#include "nvp6158_video.h"
#include "nvp6158_coax_protocol.h"
#include "nvp6158_motion.h"
#include "nvp6158_video_eq.h"
#include "nvp6158_drv.h"
#include "nvp6158_audio.h"
#include "nvp6158_video_auto_detect.h"
#include "nvp6158_drv.h"
//#define WORK_QUEUE
#ifdef WORK_QUEUE
#include <linux/workqueue.h>
struct sensor_state_check_work {
struct workqueue_struct *state_check_wq;
struct delayed_work d_work;
};
#endif
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x1)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define NVP6158_XVCLK_FREQ 24000000
#define NVP6158_BITS_PER_SAMPLE 8
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
#define NVP6158_PIXEL_RATE 297000000LL
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define OF_CAMERA_MODULE_REGULATORS "rockchip,regulator-names"
#define OF_CAMERA_MODULE_REGULATOR_VOLTAGES "rockchip,regulator-voltages"
/* DVP MODE, BT1120 or BT656 */
#define RK_CAMERA_MODULE_DVP_MODE "rockchip,dvp_mode"
#define RK_CAMERA_MODULE_CHANNEL_NUMS "rockchip,channel_nums"
#define RK_CAMERA_MODULE_DUAL_EDGE "rockchip,dual_edge"
#define RK_CAMERA_MODULE_DEFAULT_RECT "rockchip,default_rect"
#define NVP6158_DEFAULT_DVP_MODE "BT1120"
#define NVP6158_DEFAULT_CHANNEL_NUMS 4U
#define NVP6158_DEFAULT_DUAL_EDGE 0U
#define NVP6158_NAME "nvp6158"
#define NVP6158_DEFAULT_WIDTH 1920
#define NVP6158_DEFAULT_HEIGHT 1080
struct nvp6158_gpio {
int pltfrm_gpio;
const char *label;
enum of_gpio_flags active_low;
};
struct nvp6158_regulator {
struct regulator *regulator;
u32 min_uV;
u32 max_uV;
};
struct nvp6158_regulators {
u32 cnt;
struct nvp6158_regulator *regulator;
};
struct nvp6158_pixfmt {
u32 code;
};
struct nvp6158_framesize {
u16 width;
u16 height;
NC_VIVO_CH_FORMATDEF fmt_idx;
struct v4l2_fract max_fps;
};
struct nvp6158_default_rect {
unsigned int width;
unsigned int height;
};
#ifdef WORK_QUEUE
enum nvp6158_hot_plug_state {
PLUG_IN = 0,
PLUG_OUT,
PLUG_STATE_MAX,
};
#endif
struct nvp6158 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *pwr_gpio;
struct gpio_desc *pwr2_gpio;
struct gpio_desc *rst_gpio;
struct gpio_desc *rst2_gpio;
struct gpio_desc *pwdn_gpio;
struct gpio_desc *pwdn2_gpio;
struct pinctrl *pinctrl;
struct pinctrl_state *pins_default;
struct pinctrl_state *pins_sleep;
struct v4l2_subdev subdev;
struct media_pad pad[PAD_MAX];
struct v4l2_ctrl_handler ctrl_handler;
struct mutex mutex;
bool power_on;
struct nvp6158_regulators regulators;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
const char *dvp_mode;
NVP6158_DVP_MODE mode;
u32 ch_nums;
u32 dual_edge;
struct v4l2_mbus_framefmt format;
const struct nvp6158_framesize *frame_size;
int streaming;
struct nvp6158_default_rect defrect;
#ifdef WORK_QUEUE
struct sensor_state_check_work plug_state_check;
u8 cur_detect_status;
u8 last_detect_status;
#endif
bool hot_plug;
u8 is_reset;
};
#define to_nvp6158(sd) container_of(sd, struct nvp6158, subdev)
static const struct nvp6158_framesize nvp6158_framesizes[] = {
{
.width = 1280,
.height = 720,
.fmt_idx = AHD20_720P_30P,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}, {
.width = 1920,
.height = 1080,
.fmt_idx = AHD20_1080P_25P,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}, {
.width = 2048,
.height = 1536,
.fmt_idx = AHD30_3M_18P,
.max_fps = {
.numerator = 10000,
.denominator = 180000,
},
}, {
.width = 1280,
.height = 1440,
.fmt_idx = AHD30_4M_30P,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
}, {
.width = 2560,
.height = 1440,
.fmt_idx = AHD30_4M_15P,
.max_fps = {
.numerator = 10000,
.denominator = 150000,
},
}, {
.width = 2592,
.height = 1944,
.fmt_idx = AHD30_5M_12_5P,
.max_fps = {
.numerator = 10000,
.denominator = 125000,
},
}, {
.width = 3840,
.height = 2160,
.fmt_idx = AHD30_8M_7_5P,
.max_fps = {
.numerator = 10000,
.denominator = 75000,
},
}, {/* test modes, Interlace mode*/
.width = 720,
.height = 480,
.fmt_idx = AHD20_SD_SH720_NT,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}, {
.width = 720,
.height = 576,
.fmt_idx = AHD20_SD_SH720_PAL,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}, {
.width = 960,
.height = 576,
.fmt_idx = AHD20_SD_H960_PAL,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}, {
.width = 1920,
.height = 576,
.fmt_idx = AHD20_SD_H960_EX_PAL,
.max_fps = {
.numerator = 10000,
.denominator = 250000,
},
}
};
static char *nvp6158_dvp_mode_lists[] = {
[BT601] = "BT601",
[BT656_1MUX] = "BT656_1MUX",
[BT656_2MUX] = "BT656_2MUX",
[BT656_4MUX] = "BT656_4MUX",
[BT1120_1MUX] = "BT1120_1MUX",
[BT1120_2MUX] = "BT1120_2MUX",
[BT1120_4MUX] = "BT1120_4MUX",
[BT656I_TEST_MODES] = "BT656I_TEST_MODES"
};
static const struct nvp6158_pixfmt nvp6158_formats[] = {
{
.code = MEDIA_BUS_FMT_UYVY8_2X8
},
};
static int nvp6158_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
if ((nvp6158->mode > BT656I_TEST_MODES) &&
(nvp6158->mode < NVP6158_DVP_MODES_END)) {
/* for vicap detect bt1120 */
*std = V4L2_STD_ATSC;
} else {
*std = V4L2_STD_PAL;
}
return 0;
}
/* sensor register write */
static int nvp6158_write(struct i2c_client *client, u8 reg, u8 val)
{
struct i2c_msg msg;
u8 buf[2];
int ret;
dev_info(&client->dev, "write reg(0x%x val:0x%x)!\n", reg, val);
buf[0] = reg & 0xFF;
buf[1] = val;
msg.addr = client->addr;
msg.flags = client->flags;
msg.buf = buf;
msg.len = sizeof(buf);
ret = i2c_transfer(client->adapter, &msg, 1);
if (ret >= 0)
return 0;
dev_err(&client->dev,
"nvp6158 write reg(0x%x val:0x%x) failed !\n", reg, val);
return ret;
}
/* sensor register read */
static int nvp6158_read(struct i2c_client *client, u8 reg, u8 *val)
{
struct i2c_msg msg[2];
u8 buf[1];
int ret;
buf[0] = reg & 0xFF;
msg[0].addr = client->addr;
msg[0].flags = client->flags;
msg[0].buf = buf;
msg[0].len = sizeof(buf);
msg[1].addr = client->addr;
msg[1].flags = client->flags | I2C_M_RD;
msg[1].buf = buf;
msg[1].len = 1;
ret = i2c_transfer(client->adapter, msg, 2);
if (ret >= 0) {
*val = buf[0];
return 0;
}
dev_err(&client->dev, "nvp6158 read reg(0x%x) failed !\n", reg);
return ret;
}
static int __nvp6158_power_on(struct nvp6158 *nvp6158)
{
u32 i;
int ret;
struct nvp6158_regulator *regulator;
struct device *dev = &nvp6158->client->dev;
dev_info(dev, "%s(%d)\n", __func__, __LINE__);
if (!IS_ERR_OR_NULL(nvp6158->pins_default)) {
ret = pinctrl_select_state(nvp6158->pinctrl,
nvp6158->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins. ret=%d\n", ret);
}
ret = clk_prepare_enable(nvp6158->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
}
if (nvp6158->regulators.regulator) {
for (i = 0; i < nvp6158->regulators.cnt; i++) {
regulator = nvp6158->regulators.regulator + i;
if (IS_ERR(regulator->regulator))
continue;
regulator_set_voltage(
regulator->regulator,
regulator->min_uV,
regulator->max_uV);
if (regulator_enable(regulator->regulator)) {
dev_err(dev,
"regulator_enable failed!\n");
goto disable_clk;
}
}
}
usleep_range(3000, 5000);
if (!IS_ERR(nvp6158->pwr_gpio)) {
gpiod_direction_output(nvp6158->pwr_gpio, 1);
usleep_range(3000, 5000);
}
if (!IS_ERR(nvp6158->pwr2_gpio)) {
gpiod_direction_output(nvp6158->pwr2_gpio, 1);
usleep_range(3000, 5000);
}
if (!IS_ERR(nvp6158->pwdn_gpio)) {
gpiod_direction_output(nvp6158->pwdn_gpio, 1);
usleep_range(1500, 2000);
}
if (!IS_ERR(nvp6158->pwdn2_gpio)) {
gpiod_direction_output(nvp6158->pwdn2_gpio, 1);
usleep_range(1500, 2000);
}
if (!IS_ERR(nvp6158->rst_gpio)) {
gpiod_direction_output(nvp6158->rst_gpio, 0);
usleep_range(50000, 100000);
gpiod_direction_output(nvp6158->rst_gpio, 1);
usleep_range(3000, 5000);
}
if (!IS_ERR(nvp6158->rst2_gpio)) {
gpiod_direction_output(nvp6158->rst2_gpio, 0);
usleep_range(1500, 2000);
gpiod_direction_output(nvp6158->rst2_gpio, 1);
usleep_range(3000, 5000);
}
return 0;
disable_clk:
clk_disable_unprepare(nvp6158->xvclk);
return ret;
}
static void __nvp6158_power_off(struct nvp6158 *nvp6158)
{
u32 i;
int ret;
struct nvp6158_regulator *regulator;
struct device *dev = &nvp6158->client->dev;
dev_info(dev, "%s(%d)\n", __func__, __LINE__);
clk_disable_unprepare(nvp6158->xvclk);
if (!IS_ERR(nvp6158->rst_gpio))
gpiod_direction_output(nvp6158->rst_gpio, 0);
if (!IS_ERR(nvp6158->rst2_gpio))
gpiod_direction_output(nvp6158->rst2_gpio, 0);
if (!IS_ERR(nvp6158->pwdn_gpio))
gpiod_direction_output(nvp6158->pwdn_gpio, 0);
if (!IS_ERR(nvp6158->pwdn_gpio))
gpiod_direction_output(nvp6158->pwdn2_gpio, 0);
if (!IS_ERR(nvp6158->pwr_gpio))
gpiod_direction_output(nvp6158->pwr_gpio, 0);
if (!IS_ERR(nvp6158->pwr2_gpio))
gpiod_direction_output(nvp6158->pwr2_gpio, 0);
if (!IS_ERR_OR_NULL(nvp6158->pins_sleep)) {
ret = pinctrl_select_state(nvp6158->pinctrl,
nvp6158->pins_sleep);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
if (nvp6158->regulators.regulator) {
for (i = 0; i < nvp6158->regulators.cnt; i++) {
regulator = nvp6158->regulators.regulator + i;
if (IS_ERR(regulator->regulator))
continue;
regulator_disable(regulator->regulator);
}
}
}
static int nvp6158_power(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
int ret = 0;
dev_info(&client->dev, "%s: on %d\n", __func__, on);
mutex_lock(&nvp6158->mutex);
/* If the power state is not modified - no work to do. */
if (nvp6158->power_on == !!on)
goto exit;
if (on) {
ret = __nvp6158_power_on(nvp6158);
if (ret < 0)
goto exit;
nvp6158->power_on = true;
} else {
__nvp6158_power_off(nvp6158);
nvp6158->power_on = false;
}
exit:
mutex_unlock(&nvp6158->mutex);
return ret;
}
#define CROP_START(SRC, DST) (((SRC) - (DST)) / 2 / 4 * 4)
/*
* The resolution of the driver configuration needs to be exactly
* the same as the current output resolution of the sensor,
* the input width of the isp needs to be 16 aligned,
* the input height of the isp needs to be 8 aligned.
* Can be cropped to standard resolution by this function,
* otherwise it will crop out strange resolution according
* to the alignment rules.
*/
static int nvp6158_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) {
sel->r.left = CROP_START(0, 0);
sel->r.width = nvp6158->frame_size->width;
sel->r.top = CROP_START(0, 0);
sel->r.height = nvp6158->frame_size->height;
return 0;
}
return -EINVAL;
}
static int nvp6158_initialize_controls(struct nvp6158 *nvp6158)
{
struct v4l2_ctrl_handler *handler;
int ret;
handler = &nvp6158->ctrl_handler;
ret = v4l2_ctrl_handler_init(handler, 2);
if (ret)
return ret;
handler->lock = &nvp6158->mutex;
v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
0, NVP6158_PIXEL_RATE, 1, NVP6158_PIXEL_RATE);
if (handler->error) {
ret = handler->error;
dev_err(&nvp6158->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
nvp6158->subdev.ctrl_handler = handler;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static void nvp6158_get_default_format(struct nvp6158 *nvp6158)
{
const struct nvp6158_framesize *fsize = &nvp6158_framesizes[0];
const struct nvp6158_framesize *match = NULL;
int i = ARRAY_SIZE(nvp6158_framesizes);
unsigned int min_err = UINT_MAX;
struct v4l2_mbus_framefmt *format = &nvp6158->format;
struct nvp6158_default_rect *rect = &nvp6158->defrect;
while (i--) {
unsigned int err = abs(fsize->width - rect->width)
+ abs(fsize->height - rect->height);
if (err < min_err) {
min_err = err;
match = fsize;
}
fsize++;
}
if (!match)
match = &nvp6158_framesizes[0];
format->width = match->width;
format->height = match->height;
format->colorspace = V4L2_COLORSPACE_SRGB;
format->code = nvp6158_formats[0].code;
if (BT656I_TEST_MODES == nvp6158->mode)
format->field = V4L2_FIELD_INTERLACED;
else
format->field = V4L2_FIELD_NONE;
nvp6158->frame_size = match;
}
static int nvp6158_stream(struct v4l2_subdev *sd, int on)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
video_init_all video_init;
NC_VIVO_CH_FORMATDEF fmt_idx;
int ch;
dev_info(&client->dev, "%s: on: %d, %dx%d\n", __func__, on,
nvp6158->frame_size->width,
nvp6158->frame_size->height);
mutex_lock(&nvp6158->mutex);
on = !!on;
if (nvp6158->streaming == on)
goto unlock;
if (on) {
for (ch = 0; ch < 4; ch++) {
fmt_idx = nvp6158->frame_size->fmt_idx;
video_init.ch_param[ch].ch = ch;
video_init.ch_param[ch].format = fmt_idx;
}
video_init.mode = nvp6158->mode;
nvp6158_start(&video_init, nvp6158->dual_edge ? true : false);
#ifdef WORK_QUEUE
if (nvp6158->plug_state_check.state_check_wq) {
dev_info(&client->dev, "%s queue_delayed_work 1000ms", __func__);
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
&nvp6158->plug_state_check.d_work,
msecs_to_jiffies(1000));
}
#endif
} else {
#ifdef WORK_QUEUE
cancel_delayed_work_sync(&nvp6158->plug_state_check.d_work);
dev_info(&client->dev, "cancle_queue_delayed_work");
#endif
nvp6158_stop();
}
nvp6158->streaming = on;
unlock:
mutex_unlock(&nvp6158->mutex);
return 0;
}
static int nvp6158_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
struct i2c_client *client = nvp6158->client;
dev_dbg(&client->dev, "%s enter.\n", __func__);
if (fie->index >= ARRAY_SIZE(nvp6158_framesizes))
return -EINVAL;
fie->width = nvp6158_framesizes[fie->index].width;
fie->height = nvp6158_framesizes[fie->index].height;
fie->interval = nvp6158_framesizes[fie->index].max_fps;
return 0;
}
static int nvp6158_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->index >= ARRAY_SIZE(nvp6158_formats))
return -EINVAL;
code->code = nvp6158_formats[code->index].code;
return 0;
}
static int nvp6158_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
int i = ARRAY_SIZE(nvp6158_formats);
dev_dbg(&client->dev, "%s: enter!\n", __func__);
if (fse->index >= ARRAY_SIZE(nvp6158_framesizes))
return -EINVAL;
while (--i)
if (fse->code == nvp6158_formats[i].code)
break;
fse->code = nvp6158_formats[i].code;
fse->min_width = nvp6158_framesizes[fse->index].width;
fse->max_width = fse->min_width;
fse->max_height = nvp6158_framesizes[fse->index].height;
fse->min_height = fse->max_height;
return 0;
}
/* indicate N4 no signal channel */
static inline bool nvp6158_no_signal(struct v4l2_subdev *sd, u8 *novid)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
struct i2c_client *client = nvp6158->client;
u8 videoloss = 0;
int ret;
bool no_signal = false;
nvp6158_write(client, 0xff, 0x00);
ret = nvp6158_read(client, 0xa8, &videoloss);
if (ret < 0)
dev_err(&client->dev, "Failed to read videoloss state!\n");
*novid = videoloss;
dev_info(&client->dev, "%s: video loss status:0x%x.\n", __func__, videoloss);
if (videoloss == 0xf) {
dev_info(&client->dev, "%s: all channels No Video detected.\n", __func__);
no_signal = true;
} else {
dev_info(&client->dev, "%s: channel has some video detection.\n", __func__);
no_signal = false;
}
return no_signal;
}
/* indicate N4 channel locked status */
static inline bool nvp6158_sync(struct v4l2_subdev *sd, u8 *lock_st)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
u8 video_lock_status = 0;
int ret;
bool has_sync = false;
nvp6158_write(client, 0xff, 0x00);
ret = nvp6158_read(client, 0xe0, &video_lock_status);
if (ret < 0)
dev_err(&client->dev, "Failed to read sync state!\n");
dev_info(&client->dev, "%s: video AGC LOCK status:0x%x.\n",
__func__, video_lock_status);
*lock_st = video_lock_status;
if (video_lock_status) {
dev_info(&client->dev, "%s: channel has AGC LOCK.\n", __func__);
has_sync = true;
} else {
dev_info(&client->dev, "%s: channel has no AGC LOCK.\n", __func__);
has_sync = false;
}
return has_sync;
}
#ifdef WORK_QUEUE
static void nvp6158_plug_state_check_work(struct work_struct *work)
{
struct sensor_state_check_work *params_check =
container_of(work, struct sensor_state_check_work, d_work.work);
struct nvp6158 *nvp6158 =
container_of(params_check, struct nvp6158, plug_state_check);
struct i2c_client *client = nvp6158->client;
struct v4l2_subdev *sd = &nvp6158->subdev;
u8 novid_status = 0x00;
u8 sync_status = 0x00;
nvp6158_no_signal(sd, &novid_status);
nvp6158_sync(sd, &sync_status);
nvp6158->cur_detect_status = novid_status;
/* detect state change to determine is there has plug motion */
novid_status = nvp6158->cur_detect_status ^ nvp6158->last_detect_status;
if (novid_status)
nvp6158->hot_plug = true;
else
nvp6158->hot_plug = false;
nvp6158->last_detect_status = nvp6158->cur_detect_status;
dev_info(&client->dev, "%s has plug motion? (%s)", __func__,
nvp6158->hot_plug ? "true" : "false");
if (nvp6158->hot_plug) {
dev_info(&client->dev, "queue_delayed_work 1500ms, if has hot plug motion.");
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
&nvp6158->plug_state_check.d_work, msecs_to_jiffies(1500));
nvp6158_write(client, 0xFF, 0x20);
nvp6158_write(client, 0x00, (sync_status << 4) | sync_status);
usleep_range(3000, 5000);
nvp6158_write(client, 0x00, 0xFF);
} else {
dev_info(&client->dev, "queue_delayed_work 100ms, if no hot plug motion.");
queue_delayed_work(nvp6158->plug_state_check.state_check_wq,
&nvp6158->plug_state_check.d_work, msecs_to_jiffies(100));
}
}
#endif
static int nvp6158_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_config *cfg)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
cfg->type = V4L2_MBUS_BT656;
if (nvp6158->dual_edge == 1) {
cfg->bus.parallel.flags = RKMODULE_CAMERA_BT656_CHANNELS |
V4L2_MBUS_PCLK_SAMPLE_RISING |
V4L2_MBUS_PCLK_SAMPLE_FALLING;
} else {
cfg->bus.parallel.flags = RKMODULE_CAMERA_BT656_CHANNELS |
V4L2_MBUS_PCLK_SAMPLE_RISING;
}
return 0;
}
static int nvp6158_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
struct v4l2_mbus_framefmt *mf;
mf = v4l2_subdev_get_try_format(sd, sd_state, 0);
mutex_lock(&nvp6158->mutex);
fmt->format = *mf;
mutex_unlock(&nvp6158->mutex);
return 0;
#else
return -ENOTTY;
#endif
}
mutex_lock(&nvp6158->mutex);
fmt->format = nvp6158->format;
mutex_unlock(&nvp6158->mutex);
dev_dbg(&client->dev, "%s: %x %dx%d\n", __func__,
nvp6158->format.code, nvp6158->format.width,
nvp6158->format.height);
return 0;
}
static void __nvp6158_try_frame_size(struct v4l2_mbus_framefmt *mf,
const struct nvp6158_framesize **size)
{
const struct nvp6158_framesize *fsize = &nvp6158_framesizes[0];
const struct nvp6158_framesize *match = NULL;
int i = ARRAY_SIZE(nvp6158_framesizes);
unsigned int min_err = UINT_MAX;
while (i--) {
unsigned int err = abs(fsize->width - mf->width)
+ abs(fsize->height - mf->height);
if (err < min_err) {
min_err = err;
match = fsize;
}
fsize++;
}
if (!match)
match = &nvp6158_framesizes[0];
mf->width = match->width;
mf->height = match->height;
if (size)
*size = match;
}
static int nvp6158_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
int index = ARRAY_SIZE(nvp6158_formats);
struct v4l2_mbus_framefmt *mf = &fmt->format;
const struct nvp6158_framesize *size = NULL;
struct nvp6158 *nvp6158 = to_nvp6158(sd);
int ret = 0;
__nvp6158_try_frame_size(mf, &size);
while (--index >= 0)
if (nvp6158_formats[index].code == mf->code)
break;
if (index < 0)
return -EINVAL;
mf->colorspace = V4L2_COLORSPACE_SRGB;
mf->code = nvp6158_formats[index].code;
mf->field = nvp6158->format.field;
mutex_lock(&nvp6158->mutex);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
*mf = fmt->format;
#else
return -ENOTTY;
#endif
} else {
if (nvp6158->streaming) {
mutex_unlock(&nvp6158->mutex);
return -EBUSY;
}
nvp6158->frame_size = size;
nvp6158->format = fmt->format;
}
mutex_unlock(&nvp6158->mutex);
return ret;
}
static int nvp6158_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
const struct nvp6158_framesize *size = nvp6158->frame_size;
fi->interval = size->max_fps;
return 0;
}
static void nvp6158_get_module_inf(struct nvp6158 *nvp6158,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, NVP6158_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, nvp6158->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, nvp6158->len_name, sizeof(inf->base.lens));
}
static __maybe_unused void
nvp6158_get_bt656_module_inf(struct nvp6158 *nvp6158,
struct rkmodule_bt656_mbus_info *inf)
{
memset(inf, 0, sizeof(*inf));
inf->flags = RKMODULE_CAMERA_BT656_PARSE_ID_LSB;
switch (nvp6158->ch_nums) {
case 1:
inf->flags |= RKMODULE_CAMERA_BT656_CHANNEL_0;
break;
case 2:
inf->flags |= RKMODULE_CAMERA_BT656_CHANNEL_0 |
RKMODULE_CAMERA_BT656_CHANNEL_1;
break;
case 4:
inf->flags |= RKMODULE_CAMERA_BT656_CHANNELS;
break;
default:
inf->flags |= RKMODULE_CAMERA_BT656_CHANNELS;
}
}
static void nvp6158_get_vicap_rst_inf(struct nvp6158 *nvp6158,
struct rkmodule_vicap_reset_info *rst_info)
{
struct i2c_client *client = nvp6158->client;
rst_info->is_reset = nvp6158->hot_plug;
nvp6158->hot_plug = false;
rst_info->src = RKCIF_RESET_SRC_ERR_HOTPLUG;
dev_info(&client->dev, "%s: rst_info->is_reset:%d.\n", __func__, rst_info->is_reset);
}
static void nvp6158_set_vicap_rst_inf(struct nvp6158 *nvp6158,
struct rkmodule_vicap_reset_info rst_info)
{
nvp6158->is_reset = rst_info.is_reset;
}
static void nvp6158_set_streaming(struct nvp6158 *nvp6158, int on)
{
struct i2c_client *client = nvp6158->client;
dev_info(&client->dev, "%s: on: %d\n", __func__, on);
if (on) {
//VDO2/VDO1 enabled VCLK_1_EN/VCLK_2_EN
nvp6158_write(client, 0xFF, 0x01);
nvp6158_write(client, 0xCA, 0x66);
} else {
//VDO2/VDO1 disable VCLK_1/VCLK_2_DISABLE
nvp6158_write(client, 0xFF, 0x01);
nvp6158_write(client, 0xCA, 0x00);
}
}
static long nvp6158_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct nvp6158 *nvp6158 = to_nvp6158(sd);
long ret = 0;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
nvp6158_get_module_inf(nvp6158, (struct rkmodule_inf *)arg);
break;
case RKMODULE_GET_BT656_MBUS_INFO:
nvp6158_get_bt656_module_inf(nvp6158,
(struct rkmodule_bt656_mbus_info
*)arg);
break;
case RKMODULE_GET_START_STREAM_SEQ:
if ((nvp6158->mode > BT656_4MUX) &&
(nvp6158->mode < NVP6158_DVP_MODES_END))
*(int *)arg = RKMODULE_START_STREAM_FRONT;
break;
case RKMODULE_GET_VICAP_RST_INFO:
nvp6158_get_vicap_rst_inf(nvp6158, (struct rkmodule_vicap_reset_info *)arg);
break;
case RKMODULE_SET_VICAP_RST_INFO:
nvp6158_set_vicap_rst_inf(nvp6158, *(struct rkmodule_vicap_reset_info *)arg);
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
nvp6158_set_streaming(nvp6158, !!stream);
break;
default:
ret = -ENOTTY;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long nvp6158_compat_ioctl32(struct v4l2_subdev *sd,
unsigned int cmd, unsigned long arg)
{
void __user *up = compat_ptr(arg);
struct rkmodule_inf *inf;
struct rkmodule_awb_cfg *cfg;
long ret;
struct rkmodule_bt656_mbus_info *bt565_inf;
int *seq;
struct rkmodule_vicap_reset_info *vicap_rst_inf;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = nvp6158_ioctl(sd, cmd, inf);
if (!ret) {
ret = copy_to_user(up, inf, sizeof(*inf));
if (ret)
ret = -EFAULT;
}
kfree(inf);
break;
case RKMODULE_AWB_CFG:
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
if (!cfg) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(cfg, up, sizeof(*cfg));
if (!ret)
ret = nvp6158_ioctl(sd, cmd, cfg);
else
ret = -EFAULT;
kfree(cfg);
break;
case RKMODULE_GET_BT656_MBUS_INFO:
bt565_inf = kzalloc(sizeof(*bt565_inf), GFP_KERNEL);
if (!bt565_inf) {
ret = -ENOMEM;
return ret;
}
ret = nvp6158_ioctl(sd, cmd, bt565_inf);
if (!ret) {
ret = copy_to_user(up, bt565_inf, sizeof(*bt565_inf));
if (ret)
ret = -EFAULT;
}
kfree(bt565_inf);
break;
case RKMODULE_GET_START_STREAM_SEQ:
seq = kzalloc(sizeof(*seq), GFP_KERNEL);
if (!seq) {
ret = -ENOMEM;
return ret;
}
ret = nvp6158_ioctl(sd, cmd, seq);
if (!ret) {
ret = copy_to_user(up, seq, sizeof(*seq));
if (ret)
ret = -EFAULT;
}
kfree(seq);
break;
case RKMODULE_GET_VICAP_RST_INFO:
vicap_rst_inf = kzalloc(sizeof(*vicap_rst_inf), GFP_KERNEL);
if (!vicap_rst_inf) {
ret = -ENOMEM;
return ret;
}
ret = nvp6158_ioctl(sd, cmd, vicap_rst_inf);
if (!ret) {
ret = copy_to_user(up, vicap_rst_inf, sizeof(*vicap_rst_inf));
if (ret)
ret = -EFAULT;
}
kfree(vicap_rst_inf);
break;
case RKMODULE_SET_VICAP_RST_INFO:
vicap_rst_inf = kzalloc(sizeof(*vicap_rst_inf), GFP_KERNEL);
if (!vicap_rst_inf) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(vicap_rst_inf, up, sizeof(*vicap_rst_inf));
if (!ret)
ret = nvp6158_ioctl(sd, cmd, vicap_rst_inf);
else
ret = -EFAULT;
kfree(vicap_rst_inf);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = nvp6158_ioctl(sd, cmd, &stream);
else
ret = -EFAULT;
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int nvp6158_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
return __nvp6158_power_on(nvp6158);
}
static int nvp6158_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
__nvp6158_power_off(nvp6158);
return 0;
}
static const struct dev_pm_ops nvp6158_pm_ops = {
SET_RUNTIME_PM_OPS(nvp6158_runtime_suspend,
nvp6158_runtime_resume, NULL)
};
static const struct v4l2_subdev_video_ops nvp6158_video_ops = {
.s_stream = nvp6158_stream,
.querystd = nvp6158_querystd,
.g_frame_interval = nvp6158_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops nvp6158_subdev_pad_ops = {
.enum_mbus_code = nvp6158_enum_mbus_code,
.enum_frame_size = nvp6158_enum_frame_sizes,
.get_fmt = nvp6158_get_fmt,
.set_fmt = nvp6158_set_fmt,
.get_selection = nvp6158_get_selection,
.enum_frame_interval = nvp6158_enum_frame_interval,
.get_mbus_config = nvp6158_g_mbus_config,
};
static const struct v4l2_subdev_core_ops nvp6158_core_ops = {
.s_power = nvp6158_power,
.ioctl = nvp6158_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = nvp6158_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_ops nvp6158_subdev_ops = {
.core = &nvp6158_core_ops,
.video = &nvp6158_video_ops,
.pad = &nvp6158_subdev_pad_ops,
};
static void get_dvp_mode(struct nvp6158 *nvp6158)
{
struct device *dev = &nvp6158->client->dev;
char mode[128];
u32 i;
sprintf(mode, "%s_%dMUX", nvp6158->dvp_mode, nvp6158->ch_nums);
dev_info(dev, "combined dvp mode is(%s)\n", mode);
for (i = 0; i < NVP6158_DVP_MODES_END; i++) {
if (!strcmp(mode, nvp6158_dvp_mode_lists[i]))
break;
}
if (i < NVP6158_DVP_MODES_END)
nvp6158->mode = i;
else
nvp6158->mode = BT656I_TEST_MODES;
dev_info(dev, "get dvp mode (%s)\n", nvp6158_dvp_mode_lists[nvp6158->mode]);
}
static int nvp6158_parse_dts(struct nvp6158 *nvp6158)
{
int ret;
int elem_size, elem_index;
const char *str = "";
struct property *prop;
struct nvp6158_regulator *regulator;
struct device *dev = &nvp6158->client->dev;
struct device_node *np = of_node_get(dev->of_node);
nvp6158->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(nvp6158->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
ret = clk_set_rate(nvp6158->xvclk, NVP6158_XVCLK_FREQ);
if (ret < 0) {
dev_err(dev, "Failed to set xvclk rate (24MHz)\n");
return ret;
}
if (clk_get_rate(nvp6158->xvclk) != NVP6158_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
nvp6158->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(nvp6158->pinctrl)) {
nvp6158->pins_default =
pinctrl_lookup_state(nvp6158->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(nvp6158->pins_default))
dev_err(dev, "could not get default pinstate\n");
nvp6158->pins_sleep =
pinctrl_lookup_state(nvp6158->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(nvp6158->pins_sleep))
dev_err(dev, "could not get sleep pinstate\n");
} else {
dev_err(dev, "no pinctrl\n");
}
elem_size = of_property_count_elems_of_size(
np,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES,
sizeof(u32));
prop = of_find_property(
np,
OF_CAMERA_MODULE_REGULATORS,
NULL);
if (elem_size > 0 && !IS_ERR_OR_NULL(prop)) {
nvp6158->regulators.regulator =
devm_kzalloc(&nvp6158->client->dev,
elem_size * sizeof(struct nvp6158_regulator),
GFP_KERNEL);
if (!nvp6158->regulators.regulator)
dev_err(dev, "could not malloc nvp6158_regulator\n");
nvp6158->regulators.cnt = elem_size;
str = NULL;
elem_index = 0;
regulator = nvp6158->regulators.regulator;
if (regulator) {
do {
str = of_prop_next_string(prop, str);
if (!str) {
dev_err(dev, "%s is not match %s in dts\n",
OF_CAMERA_MODULE_REGULATORS,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES);
break;
}
regulator->regulator =
devm_regulator_get_optional(dev, str);
if (IS_ERR(regulator->regulator))
dev_err(dev, "devm_regulator_get %s failed\n",
str);
of_property_read_u32_index(
np,
OF_CAMERA_MODULE_REGULATOR_VOLTAGES,
elem_index++,
&regulator->min_uV);
regulator->max_uV = regulator->min_uV;
regulator++;
} while (--elem_size);
}
}
if (of_property_read_string(np,
RK_CAMERA_MODULE_DVP_MODE,
&nvp6158->dvp_mode)) {
nvp6158->dvp_mode = NVP6158_DEFAULT_DVP_MODE;
dev_warn(dev,
"can not get module %s from dts, use default(%s)!\n",
RK_CAMERA_MODULE_DVP_MODE,
NVP6158_DEFAULT_DVP_MODE);
} else {
dev_info(dev,
"get module %s from dts, dvp mode(%s)!\n",
RK_CAMERA_MODULE_DVP_MODE, nvp6158->dvp_mode);
}
if (of_property_read_u32(np,
RK_CAMERA_MODULE_CHANNEL_NUMS,
&nvp6158->ch_nums)) {
nvp6158->ch_nums = NVP6158_DEFAULT_CHANNEL_NUMS;
dev_warn(dev,
"can not get module %s from dts, use default(%d)!\n",
RK_CAMERA_MODULE_CHANNEL_NUMS,
NVP6158_DEFAULT_CHANNEL_NUMS);
} else {
dev_info(dev,
"get module %s from dts, channel_nums(%d)!\n",
RK_CAMERA_MODULE_DVP_MODE, nvp6158->ch_nums);
}
if (of_property_read_u32(np,
RK_CAMERA_MODULE_DUAL_EDGE,
&nvp6158->dual_edge)) {
nvp6158->dual_edge = NVP6158_DEFAULT_DUAL_EDGE;
dev_warn(dev,
"can not get module %s from dts, use default(%d)!\n",
RK_CAMERA_MODULE_DUAL_EDGE,
NVP6158_DEFAULT_DUAL_EDGE);
} else {
dev_info(dev,
"get module %s from dts, dual_edge(%d)!\n",
RK_CAMERA_MODULE_DUAL_EDGE, nvp6158->dual_edge);
}
if (of_property_read_u32_array(np,
RK_CAMERA_MODULE_DEFAULT_RECT,
(unsigned int *)&nvp6158->defrect, 2)) {
nvp6158->defrect.width = NVP6158_DEFAULT_WIDTH;
nvp6158->defrect.height = NVP6158_DEFAULT_HEIGHT;
dev_warn(dev,
"can not get module %s from dts, use default wxh(%dx%d)!\n",
RK_CAMERA_MODULE_DEFAULT_RECT,
NVP6158_DEFAULT_WIDTH, NVP6158_DEFAULT_HEIGHT);
} else {
dev_info(dev,
"get module %s from dts, wxh(%dx%d)!\n",
RK_CAMERA_MODULE_DEFAULT_RECT,
nvp6158->defrect.width,
nvp6158->defrect.height);
}
/* AHD_PWR_EN */
nvp6158->pwr_gpio = devm_gpiod_get(dev, "pwr", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->pwr_gpio))
dev_warn(dev, "can not find pd-gpios, error %ld\n",
PTR_ERR(nvp6158->pwr_gpio));
/* AHD CAM_PWR_EN*/
nvp6158->pwr2_gpio = devm_gpiod_get(dev, "pwr2", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->pwr2_gpio))
dev_warn(dev, "can not find pd2-gpios, error %ld\n",
PTR_ERR(nvp6158->pwr2_gpio));
nvp6158->rst_gpio = devm_gpiod_get(dev, "rst", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->rst_gpio))
dev_warn(dev, "can not find rst-gpios, error %ld\n",
PTR_ERR(nvp6158->rst_gpio));
nvp6158->rst2_gpio = devm_gpiod_get(dev, "rst2", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->rst2_gpio))
dev_warn(dev, "can not find rst2-gpios, error %ld\n",
PTR_ERR(nvp6158->rst2_gpio));
nvp6158->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->pwdn_gpio))
dev_warn(dev, "can not find pwd-gpios, error %ld\n",
PTR_ERR(nvp6158->pwdn_gpio));
nvp6158->pwdn2_gpio = devm_gpiod_get(dev, "pwdn2", GPIOD_OUT_LOW);
if (IS_ERR(nvp6158->pwdn2_gpio))
dev_warn(dev, "can not find pwd2-gpios, error %ld\n",
PTR_ERR(nvp6158->pwdn2_gpio));
return 0;
}
static int nvp6158_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct nvp6158 *nvp6158;
struct v4l2_subdev *sd;
__maybe_unused char facing[2];
int ret, index;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
nvp6158 = devm_kzalloc(dev, sizeof(*nvp6158), GFP_KERNEL);
if (!nvp6158)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&nvp6158->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&nvp6158->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&nvp6158->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&nvp6158->len_name);
if (ret) {
dev_err(dev, "could not get %s!\n", RKMODULE_CAMERA_LENS_NAME);
return -EINVAL;
}
nvp6158->client = client;
ret = nvp6158_parse_dts(nvp6158);
if (ret) {
dev_err(dev, "Failed to analyze dts\n");
return ret;
}
get_dvp_mode(nvp6158);
mutex_init(&nvp6158->mutex);
nvp6158_get_default_format(nvp6158);
sd = &nvp6158->subdev;
v4l2_i2c_subdev_init(sd, client, &nvp6158_subdev_ops);
ret = nvp6158_initialize_controls(nvp6158);
if (ret)
goto err_destroy_mutex;
__nvp6158_power_on(nvp6158);
ret = nvp6158_init(i2c_adapter_id(client->adapter));
if (ret) {
dev_err(dev, "Failed to init nvp6158\n");
goto err_power_off;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
for (index = 0; index < nvp6158->ch_nums; index++)
nvp6158->pad[index].flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, nvp6158->ch_nums, nvp6158->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(nvp6158->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
nvp6158->module_index, facing,
NVP6158_NAME, dev_name(sd->dev));
ret = v4l2_async_register_subdev_sensor(sd);
if (ret) {
dev_err(dev, "v4l2 async register subdev failed\n");
goto err_clean_entity;
}
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
pm_runtime_idle(dev);
#ifdef WORK_QUEUE
/* init work_queue for state_check */
INIT_DELAYED_WORK(&nvp6158->plug_state_check.d_work, nvp6158_plug_state_check_work);
nvp6158->plug_state_check.state_check_wq =
create_singlethread_workqueue("nvp6158_work_queue");
if (nvp6158->plug_state_check.state_check_wq == NULL) {
dev_err(dev, "%s(%d): %s create failed.\n", __func__, __LINE__,
"nvp6158_work_queue");
}
nvp6158->cur_detect_status = 0x0;
nvp6158->last_detect_status = 0x0;
nvp6158->hot_plug = false;
nvp6158->is_reset = 0;
#endif
return 0;
err_clean_entity:
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
err_power_off:
__nvp6158_power_off(nvp6158);
err_destroy_mutex:
mutex_destroy(&nvp6158->mutex);
return ret;
}
static void nvp6158_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct nvp6158 *nvp6158 = to_nvp6158(sd);
nvp6158_exit();
v4l2_ctrl_handler_free(&nvp6158->ctrl_handler);
mutex_destroy(&nvp6158->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__nvp6158_power_off(nvp6158);
pm_runtime_set_suspended(&client->dev);
#ifdef WORK_QUEUE
if (nvp6158->plug_state_check.state_check_wq != NULL)
destroy_workqueue(nvp6158->plug_state_check.state_check_wq);
#endif
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id nvp6158_of_match[] = {
{ .compatible = "nvp6158-v4l2" },
{},
};
MODULE_DEVICE_TABLE(of, nvp6158_of_match);
#endif
static const struct i2c_device_id nvp6158_match_id[] = {
{ "nvp6158-v4l2", 0 },
{ },
};
static struct i2c_driver nvp6158_i2c_driver = {
.driver = {
.name = NVP6158_NAME,
.pm = &nvp6158_pm_ops,
.of_match_table = of_match_ptr(nvp6158_of_match),
},
.probe = &nvp6158_probe,
.remove = &nvp6158_remove,
.id_table = nvp6158_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&nvp6158_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&nvp6158_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("nvp6158 sensor driver");
MODULE_LICENSE("GPL v2");
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