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Message-ID: <ZPnkDYYP3WsiHsWu@pyrite.rasen.tech>
Date: Thu, 7 Sep 2023 23:54:05 +0900
From: Paul Elder <paul.elder@...asonboard.com>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>
Cc: linux-media@...r.kernel.org,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] media: i2c: Add driver for THine THP7312
Hi Dave,
On Wed, Sep 06, 2023 at 11:50:14AM +0100, Dave Stevenson wrote:
> Hi Paul
>
> On Wed, 6 Sept 2023 at 00:32, Paul Elder <paul.elder@...asonboard.com> wrote:
> >
> > Add driver for the THine THP7312 ISP.
> >
> > Signed-off-by: Paul Elder <paul.elder@...asonboard.com>
> > ---
> > drivers/media/i2c/Kconfig | 9 +
> > drivers/media/i2c/Makefile | 1 +
> > drivers/media/i2c/thp7312.c | 1674 +++++++++++++++++++++++++++++++++++
> > 3 files changed, 1684 insertions(+)
> > create mode 100644 drivers/media/i2c/thp7312.c
> >
> > diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
> > index 226454b6a90d..ab7d333f1e43 100644
> > --- a/drivers/media/i2c/Kconfig
> > +++ b/drivers/media/i2c/Kconfig
> > @@ -807,6 +807,15 @@ config VIDEO_ST_VGXY61
> > This is a Video4Linux2 sensor driver for the ST VGXY61
> > camera sensor.
> >
> > +config VIDEO_THP7312
> > + tristate "THP7312 ISP"
> > + depends on VIDEO_DEV && I2C && VIDEO_V4L2_SUBDEV_API
> > + help
> > + Support for THine THP7312 Image Signal Processor
> > +
> > + To compile this driver as a module, choose M here: the
> > + module will be called thp7312.
> > +
> > source "drivers/media/i2c/ccs/Kconfig"
> > source "drivers/media/i2c/et8ek8/Kconfig"
> >
> > diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
> > index c743aeb5d1ad..c831c0761aa7 100644
> > --- a/drivers/media/i2c/Makefile
> > +++ b/drivers/media/i2c/Makefile
> > @@ -123,6 +123,7 @@ obj-$(CONFIG_VIDEO_TDA7432) += tda7432.o
> > obj-$(CONFIG_VIDEO_TDA9840) += tda9840.o
> > obj-$(CONFIG_VIDEO_TEA6415C) += tea6415c.o
> > obj-$(CONFIG_VIDEO_TEA6420) += tea6420.o
> > +obj-$(CONFIG_VIDEO_THP7312) += thp7312.o
> > obj-$(CONFIG_VIDEO_THS7303) += ths7303.o
> > obj-$(CONFIG_VIDEO_THS8200) += ths8200.o
> > obj-$(CONFIG_VIDEO_TLV320AIC23B) += tlv320aic23b.o
> > diff --git a/drivers/media/i2c/thp7312.c b/drivers/media/i2c/thp7312.c
> > new file mode 100644
> > index 000000000000..c289641a9e92
> > --- /dev/null
> > +++ b/drivers/media/i2c/thp7312.c
> > @@ -0,0 +1,1674 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later
> > +/*
> > + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
> > + * Copyright (C) 2014-2017 Mentor Graphics Inc.
> > + * Copyright (C) 2021 THine Electronics, Inc.
> > + */
> > +
> > +#include <linux/kernel.h>
> > +#include <linux/clk.h>
> > +#include <linux/clk-provider.h>
> > +#include <linux/clkdev.h>
> > +#include <linux/ctype.h>
> > +#include <linux/delay.h>
> > +#include <linux/device.h>
> > +#include <linux/gpio/consumer.h>
> > +#include <linux/i2c.h>
> > +#include <linux/init.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/pm_runtime.h>
> > +#include <linux/regulator/consumer.h>
> > +#include <linux/slab.h>
> > +#include <linux/types.h>
> > +#include <linux/firmware.h>
> > +#include <media/v4l2-async.h>
> > +#include <media/v4l2-ctrls.h>
> > +#include <media/v4l2-device.h>
> > +#include <media/v4l2-event.h>
> > +#include <media/v4l2-fwnode.h>
> > +#include <media/v4l2-subdev.h>
> > +
> > +#define V4L2_CID_THINE_BASE V4L2_CID_USER_BASE+0x1100
> > +
> > +#define V4L2_CID_THINE_LOW_LIGHT_COMPENSATION V4L2_CID_THINE_BASE+0x01
> > +#define V4L2_CID_THINE_AUTO_FOCUS_METHOD V4L2_CID_THINE_BASE+0x02
> > +#define V4L2_CID_THINE_NOISE_REDUCTION_AUTO V4L2_CID_THINE_BASE+0x03
> > +#define V4L2_CID_THINE_NOISE_REDUCTION_ABSOLUTE V4L2_CID_THINE_BASE+0x04
>
> I only cast a quick glance at the patch, but this stood out.
>
> Presumably these control defines are needed by userspace, so should be
> split between include/uapi/linux/v4l2-controls.h and
> include/uapi/linux/thine_thp7312.h (or similarly named header).
>
> V4L2_CID_USER_BASE+0x1100 is in part of the block reserved by
> V4L2_CID_USER_CCS_BASE [1], when it should be unique.
I totally missed that; thanks for catching it.
Paul
>
> [1] https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/v4l2-controls.h#L181
>
> > +
> > +#define DEFAULT_FPS 30
> > +
> > +/* THP7312 register addresses for format */
> > +#define THP7312_REG_SET_OUTPUT_ENABLE (0xF008)
> > +#define THP7312_REG_SET_OUTPUT_COLOR_COMPRESSION (0xF009)
> > +#define THP7312_REG_SET_DRIVING_MODE (0xF010)
> > +#define THP7312_REG_DRIVING_MODE_STATUS (0xF011)
> > +
> > +/* THP7312 register values for format */
> > +#define THP7312_OUTPUT_ENABLE (0x01)
> > +#define THP7312_OUTPUT_DISABLE (0x00)
> > +
> > +#define THP7312_REG_SET_OUTPUT_COLOR_UYVY (0x00)
> > +#define THP7312_REG_SET_OUTPUT_COLOR_YUY2 (0x04)
> > +
> > +#define THP7312_REG_VIDEO_IMAGE_SIZE (0xF00D)
> > +#define THP7312_VIDEO_IMAGE_SIZE_640x360 (0x52)
> > +#define THP7312_VIDEO_IMAGE_SIZE_640x460 (0x03)
> > +#define THP7312_VIDEO_IMAGE_SIZE_1280x720 (0x0A)
> > +#define THP7312_VIDEO_IMAGE_SIZE_1920x1080 (0x0B)
> > +#define THP7312_VIDEO_IMAGE_SIZE_3840x2160 (0x0D)
> > +#define THP7312_VIDEO_IMAGE_SIZE_4160x3120 (0x14)
> > +#define THP7312_VIDEO_IMAGE_SIZE_2016x1512 (0x20)
> > +#define THP7312_VIDEO_IMAGE_SIZE_2048x1536 (0x21)
> > +
> > +#define THP7312_REG_VIDEO_FRAME_RATE_MODE (0xF00F)
> > +#define THP7312_VIDEO_FRAME_RATE_MODE1 (0x80)
> > +#define THP7312_VIDEO_FRAME_RATE_MODE2 (0x81)
> > +#define THP7312_VIDEO_FRAME_RATE_MODE3 (0x82)
> > +
> > +#define THP7312_REG_JPEG_COMPRESSION_FACTOR (0xF01B)
> > +
> > +//THP7312 register addresses for ctrls
> > +#define THP7312_REG_FIRMWARE_VERSION_1 (0xF000)
> > +#define THP7312_REG_CAMERA_STATUS (0xF001)
> > +#define THP7312_REG_FIRMWARE_VERSION_2 (0xF005)
> > +#define THP7312_REG_FLIP_MIRROR (0xF00C)
> > +#define THP7312_REG_AE_EXPOSURE_COMPENSATION (0xF022)
> > +#define THP7312_REG_AE_FLICKER_MODE (0xF023)
> > +#define THP7312_REG_AE_FIX_FRAME_RATE (0xF02E)
> > +#define THP7312_REG_MANUAL_WB_RED_GAIN (0xF036)
> > +#define THP7312_REG_MANUAL_WB_BLUE_GAIN (0xF037)
> > +#define THP7312_REG_WB_MODE (0xF039)
> > +#define THP7312_REG_MANUAL_FOCUS_POSITION (0xF03C)
> > +#define THP7312_REG_AF_CONTROL (0xF040)
> > +#define THP7312_REG_AF_SETTING (0xF041)
> > +#define THP7312_REG_SATURATION (0xF052)
> > +#define THP7312_REG_SHARPNESS (0xF053)
> > +#define THP7312_REG_BRIGHTNESS (0xF056)
> > +#define THP7312_REG_CONTRAST (0xF057)
> > +#define THP7312_REG_NOISE_REDUCTION (0xF059)
> > +
> > +#define TH7312_REG_CUSTOM_MIPI_SET (0xF0F6)
> > +#define TH7312_REG_CUSTOM_MIPI_STATUS (0xF0F7)
> > +#define TH7312_REG_CUSTOM_MIPI_RD (0xF0F8)
> > +#define TH7312_REG_CUSTOM_MIPI_TD (0xF0F9)
> > +
> > +/* THP7312 register values for control */
> > +#define THP7312_FOCUS_MODE_AUTO_CONTINOUS (0x01)
> > +#define THP7312_FOCUS_MODE_AUTO_LOCK (0x80)
> > +#define THP7312_FOCUS_MODE_MANUAL (0x10)
> > +
> > +enum thp7312_focus_method {
> > + THP7312_FOCUS_METHOD_CONTRAST = 0x00,
> > + THP7312_FOCUS_METHOD_PDAF = 0x01,
> > + THP7312_FOCUS_METHOD_HYBRID = 0x02,
> > +};
> > +
> > +#define THP7312_WB_MODE_AUTO (0x00)
> > +#define THP7312_WB_MODE_MANUAL (0x11)
> > +
> > +#define THP7312_AE_FLICKER_MODE_50 (0x00)
> > +#define THP7312_AE_FLICKER_MODE_60 (0x01)
> > +#define THP7312_AE_FLICKER_MODE_DISABLE (0x80)
> > +
> > +#define THP7312_NUM_FORMATS ARRAY_SIZE(thp7312_colour_fmts)
> > +
> > +#define THP7312_I2C_ADDRESS_AT_FW_UPDATA (0x60)
> > +
> > +
> > +enum thp7312_mode {
> > + THP7312_MODE_MIN = 0,
> > + THP7312_MODE_FHD_30FPS = 0,
> > + THP7312_MODE_FHD_60FPS = 1,
> > + THP7312_MODE_3M_30FPS = 2,
> > + THP7312_MODE_4K_30FPS = 3,
> > + THP7312_MODE_13M_20FPS = 4,
> > + THP7312_MODE_MAX = 4,
> > +};
> > +
> > +enum thp7312_frame_rate {
> > + THP7312_20_FPS = 0,
> > + THP7312_30_FPS,
> > + THP7312_60_FPS,
> > + THP7312_NUM_FRAMERATES,
> > +};
> > +
> > +struct thp7312_datafmt {
> > + u32 code;
> > + enum v4l2_colorspace colorspace;
> > +};
> > +
> > +struct reg_value {
> > + u16 addr;
> > + u8 val;
> > +};
> > +
> > +struct thp7312_mode_info {
> > + enum thp7312_mode mode;
> > + u16 width;
> > + u16 height;
> > + u32 fps;
> > + u16 frame_time;
> > + u32 pixel_rate;
> > + struct reg_value *reg_data;
> > + u32 reg_data_size;
> > +};
> > +
> > +static const struct thp7312_datafmt thp7312_colour_fmts[] = {
> > + /*
> > + * According to the hardware documentation UYVY should be supported,
> > + * but in reality it does not work. This could however be fixed in a
> > + * firmware update, so keep this here both for documentation and to
> > + * make it easier to re-add later.
> > + * { MEDIA_BUS_FMT_UYVY8_1X16, V4L2_COLORSPACE_SRGB, },
> > + */
> > + { MEDIA_BUS_FMT_YUYV8_1X16, V4L2_COLORSPACE_SRGB, },
> > +};
> > +
> > +static const int thp7312_framerates[] = {
> > + [THP7312_20_FPS] = 20,
> > + [THP7312_30_FPS] = 30,
> > + [THP7312_60_FPS] = 60,
> > +};
> > +
> > +static struct reg_value thp7312_setting_fhd30p[] = {
> > + { THP7312_REG_VIDEO_IMAGE_SIZE, THP7312_VIDEO_IMAGE_SIZE_1920x1080 },
> > + { THP7312_REG_VIDEO_FRAME_RATE_MODE, 0x81 },
> > + { THP7312_REG_JPEG_COMPRESSION_FACTOR, 0x5E },
> > + { THP7312_REG_SET_DRIVING_MODE, 0x01 },
> > +};
> > +
> > +static struct reg_value thp7312_setting_fhd60p[] = {
> > + { THP7312_REG_VIDEO_IMAGE_SIZE, THP7312_VIDEO_IMAGE_SIZE_1920x1080 },
> > + { THP7312_REG_VIDEO_FRAME_RATE_MODE, 0x82 },
> > + { THP7312_REG_JPEG_COMPRESSION_FACTOR, 0x5E },
> > + { THP7312_REG_SET_DRIVING_MODE, 0x01 },
> > +};
> > +
> > +static struct reg_value thp7312_setting_3m30p[] = {
> > + { THP7312_REG_VIDEO_IMAGE_SIZE, THP7312_VIDEO_IMAGE_SIZE_2048x1536 },
> > + { THP7312_REG_VIDEO_FRAME_RATE_MODE, 0x81 },
> > + { THP7312_REG_JPEG_COMPRESSION_FACTOR, 0x5E },
> > + { THP7312_REG_SET_DRIVING_MODE, 0x01 },
> > +};
> > +
> > +static struct reg_value thp7312_setting_4k30p[] = {
> > + { THP7312_REG_VIDEO_IMAGE_SIZE, THP7312_VIDEO_IMAGE_SIZE_3840x2160 },
> > + { THP7312_REG_VIDEO_FRAME_RATE_MODE, 0x81 },
> > + { THP7312_REG_JPEG_COMPRESSION_FACTOR, 0x5E },
> > + { THP7312_REG_SET_DRIVING_MODE, 0x01 },
> > +};
> > +
> > +static struct reg_value thp7312_setting_13m20p[] = {
> > + { THP7312_REG_VIDEO_IMAGE_SIZE, THP7312_VIDEO_IMAGE_SIZE_4160x3120 },
> > + { THP7312_REG_VIDEO_FRAME_RATE_MODE, 0x81 },
> > + { THP7312_REG_JPEG_COMPRESSION_FACTOR, 0x5E },
> > + { THP7312_REG_SET_DRIVING_MODE, 0x01 },
> > +};
> > +
> > +
> > +/* regulator supplies */
> > +static const char * const thp7312_supply_name[] = {
> > + "vddcore",
> > + "vhtermrx",
> > + "vddtx",
> > + "vddhost",
> > + "vddcmos",
> > + "vddgpio_0",
> > + "vddgpio_1",
> > + "DOVDD",
> > + "AVDD",
> > + "DVDD",
> > +};
> > +
> > +#define THP7312_NUM_SUPPLIES ARRAY_SIZE(thp7312_supply_name)
> > +
> > +static struct thp7312_mode_info thp7312_mode_info_data[] = {
> > + { THP7312_MODE_FHD_30FPS, 1920, 1080, THP7312_30_FPS, 33, 150000000,
> > + thp7312_setting_fhd30p, ARRAY_SIZE(thp7312_setting_fhd30p)},
> > + { THP7312_MODE_FHD_60FPS, 1920, 1080, THP7312_60_FPS, 17, 193750000,
> > + thp7312_setting_fhd60p, ARRAY_SIZE(thp7312_setting_fhd60p)},
> > + { THP7312_MODE_3M_30FPS, 2048, 1536, THP7312_30_FPS, 33, 150000000,
> > + thp7312_setting_3m30p, ARRAY_SIZE(thp7312_setting_3m30p)},
> > + { THP7312_MODE_4K_30FPS, 3840, 2160, THP7312_30_FPS, 33, 300000000,
> > + thp7312_setting_4k30p, ARRAY_SIZE(thp7312_setting_4k30p)},
> > + { THP7312_MODE_13M_20FPS, 4160, 3120, THP7312_20_FPS, 50, 300000000,
> > + thp7312_setting_13m20p, ARRAY_SIZE(thp7312_setting_13m20p)},
> > +};
> > +
> > +#define THP7312_NUM_MODES ARRAY_SIZE(thp7312_mode_info_data)
> > +
> > +struct thp7312_isp_dev {
> > + struct i2c_client *i2c_client;
> > + struct v4l2_subdev sd;
> > + struct media_pad pad;
> > + /* the parsed DT endpoint info */
> > + struct v4l2_fwnode_endpoint ep;
> > + struct gpio_desc *reset_gpio;
> > + struct regulator_bulk_data supplies[THP7312_NUM_SUPPLIES];
> > + struct clk *iclk;
> > + /* lock to protect all members below */
> > + struct mutex lock;
> > +
> > + struct thp7312_mode_info *active_mode;
> > +
> > + struct v4l2_ctrl_handler ctrl_handler;
> > +
> > + struct thp7312_mode_info *current_mode;
> > + enum thp7312_frame_rate current_fr;
> > + struct v4l2_fract frame_interval;
> > + struct v4l2_mbus_framefmt fmt;
> > +
> > + bool focus_mode_auto;
> > + bool af_continuous;
> > + bool af_lock;
> > + enum thp7312_focus_method af_method;
> > + int boot_mode;
> > +
> > + const char *fw_name;
> > + u8 *fw_data;
> > + size_t fw_size;
> > +
> > + u8 fw_update_mode;
> > + u16 thp7312_register_rw_address;
> > + u8 fw_major_version;
> > + u8 fw_minor_version;
> > +
> > + bool streaming;
> > +};
> > +
> > +static inline struct thp7312_isp_dev *to_thp7312_dev(struct v4l2_subdev *sd)
> > +{
> > + return container_of(sd, struct thp7312_isp_dev, sd);
> > +}
> > +
> > +static int thp7312_write_reg(struct thp7312_isp_dev *isp_dev, u16 reg, u8 val)
> > +{
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + int ret = 0;
> > + u8 buf[3] = {0};
> > +
> > + buf[0] = reg >> 8;
> > + buf[1] = reg & 0xff;
> > + buf[2] = val;
> > +
> > + ret = i2c_master_send(client, buf, 3);
> > + if (ret < 0) {
> > + dev_err(&client->dev, "%s(): write reg failed, reg=0x%x,val=0x%x ret=%d\n",
> > + __func__, reg, val, ret);
> > + return ret;
> > + }
> > +
> > + dev_err(&client->dev, "%s(): wrote reg, reg=0x%x,val=0x%x ret=%d\n",
> > + __func__, reg, val, ret);
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_read_reg(struct thp7312_isp_dev *isp_dev, u16 reg, u8 *val)
> > +{
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + struct i2c_msg msgs[2];
> > + u8 buf[2];
> > + int ret;
> > +
> > + buf[0] = reg >> 8;
> > + buf[1] = reg & 0xff;
> > + msgs[0].addr = client->addr;
> > + msgs[0].flags = 0;
> > + msgs[0].len = 2;
> > + msgs[0].buf = buf;
> > +
> > + msgs[1].addr = client->addr;
> > + msgs[1].flags = I2C_M_RD;
> > + msgs[1].len = 1;
> > + msgs[1].buf = buf;
> > +
> > + ret = i2c_transfer(client->adapter, msgs, 2);
> > + if (ret < 0) {
> > + dev_err(&client->dev, "%s():reg=0x%x ret=%d\n", __func__, reg, ret);
> > + return ret;
> > + }
> > +
> > + *val = buf[0];
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_check_valid_mode(const struct thp7312_mode_info *mode_info,
> > + enum thp7312_frame_rate frame_rate)
> > +{
> > + struct thp7312_mode_info *info;
> > + enum thp7312_mode mode = mode_info->mode;
> > +
> > + if (mode < THP7312_MODE_MIN || THP7312_MODE_MAX < mode)
> > + return -EINVAL;
> > +
> > + info = &thp7312_mode_info_data[mode];
> > + if (info->mode != mode || info->fps != frame_rate)
> > + return -EINVAL;
> > +
> > + return 0;
> > +}
> > +
> > +#define thp7312_read_poll_timeout(dev, addr, val, cond, sleep_us, timeout_us) \
> > +({ \
> > + int __ret; \
> > + u64 __timeout_us = (timeout_us); \
> > + unsigned long __sleep_us = (sleep_us); \
> > + ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
> > + might_sleep_if((__sleep_us) != 0); \
> > + for (;;) { \
> > + __ret = thp7312_read_reg((dev), (addr), &(val)); \
> > + if (cond) \
> > + break; \
> > + if (__ret < 0 || \
> > + (__timeout_us && \
> > + ktime_compare(ktime_get(), __timeout) > 0)) { \
> > + __ret = thp7312_read_reg((dev), (addr), &(val)); \
> > + break; \
> > + } \
> > + if (__sleep_us) \
> > + usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
> > + } \
> > + (cond) ? 0 : (__ret ? __ret : -ETIMEDOUT); \
> > +})
> > +
> > +static int thp7312_set_mipi_regs(struct thp7312_isp_dev *isp_dev, u16 reg,
> > + u8 *lanes, u8 num_lanes)
> > +{
> > + u8 used_lanes = 0;
> > + u8 conv_lanes[4];
> > + u8 val;
> > + int ret, i;
> > +
> > + if (num_lanes != 4)
> > + return -EINVAL;
> > +
> > + /*
> > + * The value that we write to the register is the index in the
> > + * data-lanes array, so we need to do a conversion. Do this in the same
> > + * pass as validating data-lanes.
> > + */
> > + for (i = 0; i < num_lanes; i++) {
> > + if (lanes[i] > 4)
> > + return -EINVAL;
> > +
> > + if (used_lanes & (1 << lanes[i]))
> > + return -EINVAL;
> > +
> > + used_lanes |= 1 << lanes[i];
> > +
> > + /*
> > + * data-lanes is 1-indexed while we'll use 0-indexing for
> > + * writing the register.
> > + */
> > + conv_lanes[lanes[i] - 1] = i;
> > + }
> > +
> > + val = ((conv_lanes[3] & 0x03) << 6) |
> > + ((conv_lanes[2] & 0x03) << 4) |
> > + ((conv_lanes[1] & 0x03) << 2) |
> > + (conv_lanes[0] & 0x03);
> > +
> > + ret = thp7312_write_reg(isp_dev, reg, val);
> > + if (ret < 0)
> > + return ret;
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_set_mipi_lanes(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct device *dev = &isp_dev->i2c_client->dev;
> > + int ret;
> > + u8 val;
> > + int i;
> > + u32 data_lanes_rx_u32[4];
> > + unsigned char data_lanes_rx[4];
> > +
> > + ret = of_property_read_u32_array(dev->of_node, "thine,rx,data-lanes",
> > + data_lanes_rx_u32, ARRAY_SIZE(data_lanes_rx_u32));
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to read property thine,rx,data-lanes: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + for (i = 0; i < 4; i++)
> > + data_lanes_rx[i] = (u8)data_lanes_rx_u32[i];
> > +
> > + ret = thp7312_set_mipi_regs(isp_dev, TH7312_REG_CUSTOM_MIPI_RD,
> > + data_lanes_rx,
> > + ARRAY_SIZE(data_lanes_rx));
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to set RD MIPI lanes: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + thp7312_set_mipi_regs(isp_dev, TH7312_REG_CUSTOM_MIPI_TD,
> > + isp_dev->ep.bus.mipi_csi2.data_lanes,
> > + isp_dev->ep.bus.mipi_csi2.num_data_lanes);
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to set TD MIPI lanes: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + ret = thp7312_write_reg(isp_dev, TH7312_REG_CUSTOM_MIPI_SET, 1);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ret = thp7312_read_poll_timeout(isp_dev, TH7312_REG_CUSTOM_MIPI_STATUS,
> > + val, val == 0x00, 100000, 2000000);
> > + if (ret < 0) {
> > + dev_err(&isp_dev->i2c_client->dev,
> > + "Failed to poll MIPI lane status: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_change_mode(struct thp7312_isp_dev *isp_dev,
> > + enum thp7312_mode mode)
> > +{
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + u8 reg_val = 0;
> > + struct reg_value *reg_data;
> > + int i;
> > + int ret;
> > + struct thp7312_mode_info *info = &thp7312_mode_info_data[mode];
> > +
> > + ret = thp7312_read_poll_timeout(isp_dev, THP7312_REG_CAMERA_STATUS, reg_val,
> > + reg_val == 0x80, 20000, 200000);
> > + if (ret < 0) {
> > + dev_err(&client->dev, "%s(): failed to poll ISP: %d\n",
> > + __func__, ret);
> > + return ret;
> > + }
> > +
> > + reg_data = info->reg_data;
> > + for (i = 0; i < info->reg_data_size; i++) {
> > + ret = thp7312_write_reg(isp_dev, reg_data[i].addr, reg_data[i].val);
> > + if (ret < 0) {
> > + dev_err(&client->dev, "%s(): write mode failed\n", __func__);
> > + return ret;
> > + }
> > + }
> > +
> > + ret = thp7312_read_poll_timeout(isp_dev, THP7312_REG_DRIVING_MODE_STATUS,
> > + reg_val, reg_val == 0x01, 20000, 100000);
> > + if (ret) {
> > + dev_err(&client->dev,"%s(): failed\n", __func__);
> > + return ret;
> > + }
> > +
> > + isp_dev->active_mode = info;
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_set_framefmt(struct thp7312_isp_dev *isp_dev,
> > + struct v4l2_mbus_framefmt *format)
> > +{
> > + int ret = 0;
> > +
> > + struct i2c_client *client = isp_dev->i2c_client;
> > +
> > + switch (format->code) {
> > + case MEDIA_BUS_FMT_UYVY8_1X16:
> > + /* YUV422, UYVY */
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_SET_OUTPUT_COLOR_COMPRESSION,
> > + THP7312_REG_SET_OUTPUT_COLOR_UYVY);
> > + break;
> > + case MEDIA_BUS_FMT_YUYV8_1X16:
> > + /* YUV422, YUYV */
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_SET_OUTPUT_COLOR_COMPRESSION,
> > + THP7312_REG_SET_OUTPUT_COLOR_YUY2);
> > + break;
> > + default:
> > + dev_err(&client->dev, "thp7312_set_framefmt: ERROR \n");
> > + return -EINVAL;
> > + }
> > +
> > + return ret;
> > +}
> > +
> > +static int thp7312_init_mode(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + int ret = 0;
> > + enum thp7312_mode mode = isp_dev->current_mode->mode;
> > +
> > + dev_dbg(&client->dev, "%s(): mode = %d\n",__func__, mode);
> > + if ((mode > THP7312_MODE_MAX || mode < THP7312_MODE_MIN) ){
> > + dev_err(&client->dev, "%s(): thp7312 mode is invalid\n", __func__);
> > + return -EINVAL;
> > + }
> > +
> > + ret = thp7312_set_framefmt(isp_dev, &isp_dev->fmt);
> > + if (ret)
> > + return ret;
> > +
> > + return thp7312_change_mode(isp_dev, mode);
> > +}
> > +
> > +static int thp7312_stream_enable(struct thp7312_isp_dev *isp_dev, int enable)
> > +{
> > + return thp7312_write_reg(isp_dev, THP7312_REG_SET_OUTPUT_ENABLE,
> > + enable ? THP7312_OUTPUT_ENABLE
> > + : THP7312_OUTPUT_DISABLE);
> > +}
> > +
> > +static int thp7312_reset(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct device *dev = &isp_dev->i2c_client->dev;
> > + u8 camera_status = -1;
> > + int ret;
> > +
> > + gpiod_set_value_cansleep(isp_dev->reset_gpio, 1);
> > +
> > + fsleep(10000);
> > +
> > + gpiod_set_value_cansleep(isp_dev->reset_gpio, 0);
> > +
> > + fsleep(300000);
> > +
> > + while (camera_status != 0x80) {
> > + ret = thp7312_read_reg(isp_dev, 0xF001, &camera_status);
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to read camera status register\n");
> > + return ret;
> > + }
> > +
> > + if (camera_status == 0x00) {
> > + dev_info(dev, "Camera initializing...");
> > + } else if (camera_status == 0x80) {
> > + dev_info(dev, "Camera initialization done");
> > + break;
> > + } else {
> > + dev_err(dev,
> > + "Camera Status field incorrect; camera_status=%x\n",
> > + camera_status);
> > + }
> > +
> > + usleep_range(70000, 80000);
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_set_power_on(struct device *dev)
> > +{
> > + struct v4l2_subdev *sd = dev_get_drvdata(dev);
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > +
> > + int ret;
> > +
> > + ret = regulator_bulk_enable(THP7312_NUM_SUPPLIES, isp_dev->supplies);
> > + if (ret < 0)
> > + return ret;
> > +
> > + ret = clk_prepare_enable(isp_dev->iclk);
> > + if (ret < 0) {
> > + dev_err(dev, "clk prepare enable failed\n");
> > + goto error_pwdn;
> > + }
> > +
> > + /*
> > + * We cannot assume that turning off and on again will reset, so do a
> > + * software reset on power up. While at it, reprogram the MIPI lanes,
> > + * in case they get cleared when powered off.
> > + */
> > + ret = thp7312_reset(isp_dev);
> > + if (ret < 0)
> > + goto error_clk_disable;
> > +
> > + ret = thp7312_set_mipi_lanes(isp_dev);
> > + if (ret < 0)
> > + goto error_clk_disable;
> > +
> > + return 0;
> > +
> > +error_clk_disable:
> > + clk_disable_unprepare(isp_dev->iclk);
> > +error_pwdn:
> > + regulator_bulk_disable(THP7312_NUM_SUPPLIES, isp_dev->supplies);
> > +
> > + return ret;
> > +}
> > +
> > +static int thp7312_set_power_off(struct device *dev)
> > +{
> > + struct v4l2_subdev *sd = dev_get_drvdata(dev);
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > +
> > + isp_dev->streaming = false;
> > +
> > + regulator_bulk_disable(THP7312_NUM_SUPPLIES, isp_dev->supplies);
> > + clk_disable_unprepare(isp_dev->iclk);
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_get_regulators(struct thp7312_isp_dev *isp_dev)
> > +{
> > + int i;
> > +
> > + for (i = 0; i < THP7312_NUM_SUPPLIES; i++)
> > + isp_dev->supplies[i].supply = thp7312_supply_name[i];
> > +
> > + return devm_regulator_bulk_get(&isp_dev->i2c_client->dev,
> > + THP7312_NUM_SUPPLIES,
> > + isp_dev->supplies);
> > +}
> > +
> > +/* --------------- Subdev Operations --------------- */
> > +
> > +static const struct thp7312_mode_info *
> > +thp7312_find_mode(struct thp7312_isp_dev *isp_dev, enum thp7312_frame_rate fr,
> > + int width, int height, bool nearest)
> > +{
> > + struct thp7312_mode_info *mode_info;
> > + unsigned int delta = UINT_MAX;
> > + unsigned int smallest_delta_index = 0;
> > + unsigned int tmp;
> > + int i;
> > +
> > + for (i = 0; i < THP7312_NUM_MODES; i++) {
> > + mode_info = &thp7312_mode_info_data[i];
> > + if (mode_info->width == width &&
> > + mode_info->height == height &&
> > + mode_info->fps == fr)
> > + return mode_info;
> > +
> > + tmp = abs((mode_info->width * mode_info->height) - (width * height));
> > + if (tmp < delta) {
> > + delta = tmp;
> > + smallest_delta_index = i;
> > + }
> > + }
> > +
> > + if (!nearest)
> > + return NULL;
> > +
> > + return &thp7312_mode_info_data[smallest_delta_index];
> > +}
> > +
> > +static int thp7312_try_frame_interval(struct thp7312_isp_dev *isp_dev,
> > + struct v4l2_fract *fi,
> > + u32 width, u32 height)
> > +{
> > + const struct thp7312_mode_info *mode_info;
> > + int minfps, maxfps, best_fps, fps;
> > + int i;
> > + enum thp7312_frame_rate rate = THP7312_20_FPS;
> > + minfps = thp7312_framerates[THP7312_20_FPS];
> > + maxfps = thp7312_framerates[THP7312_60_FPS];
> > +
> > + if (fi->numerator == 0) {
> > + fi->denominator = maxfps;
> > + fi->numerator = 1;
> > + rate = THP7312_60_FPS;
> > + goto find_mode;
> > + }
> > +
> > + fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator),
> > + minfps, maxfps);
> > +
> > + best_fps = minfps;
> > + for (i = 0; i < ARRAY_SIZE(thp7312_framerates); i++) {
> > + int curr_fps = thp7312_framerates[i];
> > +
> > + if (abs(curr_fps - fps) < abs(best_fps - fps)) {
> > + best_fps = curr_fps;
> > + rate = i;
> > + }
> > + }
> > +
> > + fi->numerator = 1;
> > + fi->denominator = best_fps;
> > +
> > +find_mode:
> > + mode_info = thp7312_find_mode(isp_dev, rate, width, height, false);
> > + return mode_info ? rate : -EINVAL;
> > +}
> > +
> > +static int thp7312_get_fmt(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_state *sd_state,
> > + struct v4l2_subdev_format *format)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > + struct v4l2_mbus_framefmt *fmt;
> > +
> > + if (format->pad != 0)
> > + return -EINVAL;
> > +
> > + mutex_lock(&isp_dev->lock);
> > +
> > + if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
> > + fmt = v4l2_subdev_get_try_format(&isp_dev->sd, sd_state,
> > + format->pad);
> > + } else {
> > + fmt = &isp_dev->fmt;
> > + }
> > +
> > + format->format = *fmt;
> > +
> > + mutex_unlock(&isp_dev->lock);
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_try_fmt_internal(struct v4l2_subdev *sd,
> > + struct v4l2_mbus_framefmt *fmt,
> > + enum thp7312_frame_rate frame_rate,
> > + const struct thp7312_mode_info **new_mode)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > + const struct thp7312_mode_info *mode_info;
> > + int i;
> > +
> > + mode_info = thp7312_find_mode(isp_dev, frame_rate, fmt->width, fmt->height, true);
> > + if (!mode_info)
> > + return -EINVAL;
> > + fmt->width = mode_info->width;
> > + fmt->height = mode_info->height;
> > + memset(fmt->reserved, 0, sizeof(fmt->reserved));
> > +
> > + if (new_mode)
> > + *new_mode = mode_info;
> > +
> > + for (i = 0; i < ARRAY_SIZE(thp7312_colour_fmts); i++)
> > + if (thp7312_colour_fmts[i].code == fmt->code)
> > + break;
> > + if (i >= ARRAY_SIZE(thp7312_colour_fmts))
> > + i = 0;
> > +
> > + fmt->code = thp7312_colour_fmts[i].code;
> > + fmt->colorspace = thp7312_colour_fmts[i].colorspace;
> > + fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
> > + fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
> > + fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_set_fmt(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_state *sd_state,
> > + struct v4l2_subdev_format *format)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > + const struct thp7312_mode_info *new_mode;
> > + struct v4l2_mbus_framefmt *mbus_fmt = &format->format;
> > + struct v4l2_mbus_framefmt *fmt;
> > + int ret;
> > +
> > + if (format->pad != 0)
> > + return -EINVAL;
> > +
> > + mutex_lock(&isp_dev->lock);
> > +
> > + if (isp_dev->streaming) {
> > + ret = -EBUSY;
> > + goto out;
> > + }
> > +
> > + ret = thp7312_try_fmt_internal(sd, mbus_fmt,
> > + isp_dev->current_fr, &new_mode);
> > + if (ret)
> > + goto out;
> > +
> > + if (format->which == V4L2_SUBDEV_FORMAT_TRY)
> > + fmt = v4l2_subdev_get_try_format(sd, sd_state, format->pad);
> > + else
> > + fmt = &isp_dev->fmt;
> > +
> > + *fmt = *mbus_fmt;
> > +
> > + if (format->which == V4L2_SUBDEV_FORMAT_TRY)
> > + goto out;
> > +
> > + isp_dev->current_mode = (struct thp7312_mode_info *)new_mode;
> > + isp_dev->fmt = *mbus_fmt;
> > +
> > +out:
> > + mutex_unlock(&isp_dev->lock);
> > + return ret;
> > +}
> > +
> > +static int thp7312_enum_frame_size(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_state *sd_state,
> > + struct v4l2_subdev_frame_size_enum *fse)
> > +{
> > + if (fse->pad != 0)
> > + return -EINVAL;
> > + if (fse->index >= THP7312_NUM_MODES)
> > + return -EINVAL;
> > +
> > + fse->min_width =
> > + thp7312_mode_info_data[fse->index].width;
> > + fse->max_width = fse->min_width;
> > + fse->min_height =
> > + thp7312_mode_info_data[fse->index].height;
> > + fse->max_height = fse->min_height;
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_enum_frame_interval(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_state *sd_state,
> > + struct v4l2_subdev_frame_interval_enum *fie)
> > +{
> > + int i, j, count;
> > +
> > + if (fie->pad != 0)
> > + return -EINVAL;
> > + if (fie->index >= THP7312_NUM_FRAMERATES)
> > + return -EINVAL;
> > +
> > + if (fie->width == 0 || fie->height == 0 || fie->code == 0)
> > + return -EINVAL;
> > +
> > + fie->interval.numerator = 1;
> > +
> > + /*
> > + * This is correct but, given the limited number of modes that we
> > + * support, could be heavily simplified. Or do we want to keep this
> > + * complexity for future-proofing?
> > + */
> > + count = 0;
> > + for (i = 0; i < THP7312_NUM_FRAMERATES; i++) {
> > + for (j = 0; j < THP7312_NUM_MODES; j++) {
> > + if (fie->width == thp7312_mode_info_data[j].width &&
> > + fie->height == thp7312_mode_info_data[j].height &&
> > + !thp7312_check_valid_mode(&thp7312_mode_info_data[j], i))
> > + count++;
> > +
> > + if (fie->index == (count - 1)) {
> > + fie->interval.denominator = thp7312_framerates[i];
> > + return 0;
> > + }
> > + }
> > + }
> > +
> > + return -EINVAL;
> > +}
> > +
> > +static int thp7312_g_frame_interval(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_frame_interval *fi)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > +
> > + mutex_lock(&isp_dev->lock);
> > + fi->interval = isp_dev->frame_interval;
> > + mutex_unlock(&isp_dev->lock);
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_s_frame_interval(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_frame_interval *fi)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > + const struct thp7312_mode_info *mode_info;
> > + int frame_rate, ret = 0;
> > +
> > + if (fi->pad != 0)
> > + return -EINVAL;
> > +
> > + mutex_lock(&isp_dev->lock);
> > +
> > + if (isp_dev->streaming) {
> > + ret = -EBUSY;
> > + goto out;
> > + }
> > +
> > + mode_info = isp_dev->current_mode;
> > +
> > + frame_rate = thp7312_try_frame_interval(isp_dev, &fi->interval,
> > + mode_info->width, mode_info->height);
> > + if (frame_rate < 0) {
> > + /* This shouldn't be possible */
> > + ret = -EINVAL;
> > + goto out;
> > + }
> > +
> > + mode_info = thp7312_find_mode(isp_dev, frame_rate, mode_info->width,
> > + mode_info->height, true);
> > + if (!mode_info) {
> > + ret = -EINVAL;
> > + goto out;
> > + }
> > +
> > + isp_dev->current_fr = frame_rate;
> > + isp_dev->frame_interval = fi->interval;
> > + isp_dev->current_mode = (struct thp7312_mode_info *)mode_info;
> > +
> > +out:
> > + mutex_unlock(&isp_dev->lock);
> > + return ret;
> > +}
> > +
> > +static int thp7312_enum_mbus_code(struct v4l2_subdev *sd,
> > + struct v4l2_subdev_state *sd_state,
> > + struct v4l2_subdev_mbus_code_enum *code)
> > +{
> > + if (code->pad != 0)
> > + return -EINVAL;
> > + if (code->index >= THP7312_NUM_FORMATS)
> > + return -EINVAL;
> > +
> > + code->code = thp7312_colour_fmts[code->index].code;
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_s_stream(struct v4l2_subdev *sd, int enable)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + int ret = 0;
> > +
> > + mutex_lock(&isp_dev->lock);
> > +
> > + if (!enable) {
> > + ret = thp7312_stream_enable(isp_dev, enable);
> > + if (ret < 0) {
> > + dev_err(&client->dev, "stream stop failed: %d\n", ret);
> > + goto finish_unlock;
> > + }
> > +
> > + isp_dev->streaming = enable;
> > +
> > + goto finish_pm;
> > + }
> > +
> > + ret = pm_runtime_resume_and_get(&client->dev);
> > + if (ret < 0)
> > + goto finish_unlock;
> > +
> > + ret = thp7312_check_valid_mode(isp_dev->current_mode,
> > + isp_dev->current_fr);
> > + if (ret) {
> > + dev_err(&client->dev, "Not support WxH@...=%dx%d@%d\n",
> > + isp_dev->current_mode->width,
> > + isp_dev->current_mode->height,
> > + thp7312_framerates[isp_dev->current_fr]);
> > + goto finish_pm;
> > + }
> > +
> > + ret = thp7312_init_mode(isp_dev);
> > + if (ret)
> > + goto finish_pm;
> > +
> > + ret = thp7312_stream_enable(isp_dev, enable);
> > + if (ret < 0)
> > + goto finish_pm;
> > +
> > + isp_dev->streaming = enable;
> > +
> > +finish_pm:
> > + pm_runtime_put(&client->dev);
> > +finish_unlock:
> > + mutex_unlock(&isp_dev->lock);
> > +
> > + return ret;
> > +}
> > +
> > +static const struct v4l2_subdev_core_ops thp7312_core_ops = {
> > + .log_status = v4l2_ctrl_subdev_log_status,
> > + .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
> > + .unsubscribe_event = v4l2_event_subdev_unsubscribe,
> > +};
> > +
> > +static const struct v4l2_subdev_video_ops thp7312_video_ops = {
> > + .g_frame_interval = thp7312_g_frame_interval,
> > + .s_frame_interval = thp7312_s_frame_interval,
> > + .s_stream = thp7312_s_stream,
> > +};
> > +
> > +static const struct v4l2_subdev_pad_ops thp7312_pad_ops = {
> > + .enum_mbus_code = thp7312_enum_mbus_code,
> > + .get_fmt = thp7312_get_fmt,
> > + .set_fmt = thp7312_set_fmt,
> > + .enum_frame_size = thp7312_enum_frame_size,
> > + .enum_frame_interval = thp7312_enum_frame_interval,
> > +};
> > +
> > +static const struct v4l2_subdev_ops thp7312_subdev_ops = {
> > + .core = &thp7312_core_ops,
> > + .video = &thp7312_video_ops,
> > + .pad = &thp7312_pad_ops,
> > +};
> > +
> > +static inline struct thp7312_isp_dev *to_thp7312_from_ctrl(struct v4l2_ctrl *ctrl)
> > +{
> > + return container_of(ctrl->handler, struct thp7312_isp_dev, ctrl_handler);
> > +}
> > +
> > +static int thp7312_set_manual_focus_position(struct thp7312_isp_dev *isp_dev, s32 val)
> > +{
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + struct device *dev = &client->dev;
> > +
> > + int ret = 0;
> > + u16 value = 3000;
> > +
> > + static u16 focus_values[] = {
> > + 3000, 1000, 600, 450, 350,
> > + 290, 240, 200, 170, 150,
> > + 140, 130, 120, 110, 100,
> > + 93, 87, 83, 80,
> > + };
> > +
> > + if (0 <= val && val < ARRAY_SIZE(focus_values))
> > + value = focus_values[val];
> > + else
> > + dev_err(dev, "unsupported focus position = %d\n",val);
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_MANUAL_FOCUS_POSITION,
> > + (s8)(value >> 8));
> > + if (ret < 0)
> > + goto out;
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_MANUAL_FOCUS_POSITION + 1,
> > + (s8)(value & 0x00ff));
> > + if (ret < 0)
> > + goto out;
> > +
> > +out:
> > + if (ret < 0)
> > + dev_err(dev, "Failed to set manual focus position %d: %d\n", val, ret);
> > +
> > + return ret;
> > +}
> > +
> > +static int
> > +thp7312_set_focus_mode(struct thp7312_isp_dev *isp_dev, bool auto_focus,
> > + bool continous, bool lock, enum thp7312_focus_method method)
> > +{
> > + u8 value;
> > + int ret = 0;
> > +
> > + /* Set Continous and AF Method */
> > +
> > + if (continous == true) {
> > + /* Continous AF */
> > + if (method == THP7312_FOCUS_METHOD_CONTRAST)
> > + value = 0x30;
> > + else if (method == THP7312_FOCUS_METHOD_PDAF)
> > + value = 0x70;
> > + else /* method == THP7312_FOCUS_METHOD_HYBRID */
> > + value = 0xF0;
> > + } else {
> > + /* One Shot AF */
> > + if (method == THP7312_FOCUS_METHOD_CONTRAST)
> > + value = 0x00;
> > + else if (method == THP7312_FOCUS_METHOD_PDAF)
> > + value = 0x40;
> > + else /* method == THP7312_FOCUS_METHOD_HYBRID */
> > + value = 0x80;
> > + }
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AF_SETTING, value);
> > +
> > + isp_dev->af_continuous = continous;
> > + isp_dev->af_method = method;
> > +
> > + /* Set Lock and Focus Mode */
> > +
> > + if (auto_focus == true) {
> > + if (lock == true && continous == true)
> > + value = THP7312_FOCUS_MODE_AUTO_LOCK;
> > + else
> > + value = THP7312_FOCUS_MODE_AUTO_CONTINOUS;
> > +
> > + isp_dev->focus_mode_auto = true;
> > + } else {
> > + /* Lock AF to prepare to set manual focus mode */
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AF_CONTROL,
> > + THP7312_FOCUS_MODE_AUTO_LOCK);
> > + value = THP7312_FOCUS_MODE_MANUAL;
> > +
> > + isp_dev->focus_mode_auto = false;
> > + }
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AF_CONTROL, value);
> > +
> > + isp_dev->af_lock = lock;
> > +
> > + return ret;
> > +}
> > +
> > +static int thp7312_s_ctrl(struct v4l2_ctrl *ctrl)
> > +{
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_from_ctrl(ctrl);
> > + struct i2c_client *client = isp_dev->i2c_client;
> > + struct device *dev = &client->dev;
> > + int ret = 0;
> > + u8 value;
> > + bool lock;
> > +
> > + if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
> > + return -EINVAL;
> > +
> > + dev_dbg(dev, "s_ctrl id %d, value %d\n", ctrl->id, ctrl->val);
> > +
> > + if (pm_runtime_get_if_in_use(&client->dev))
> > + return 0;
> > +
> > + switch (ctrl->id) {
> > +
> > + case V4L2_CID_BRIGHTNESS:
> > + value = clamp_t(int, ctrl->val, -10, 10) + 10;
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_BRIGHTNESS, value);
> > + break;
> > +
> > + case V4L2_CID_THINE_LOW_LIGHT_COMPENSATION:
> > + /* 0 = Auto adjust frame rate, 1 = Fix frame rate */
> > + value = (ctrl->val == true) ? 0 : 1;
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AE_FIX_FRAME_RATE, value);
> > + break;
> > +
> > + case V4L2_CID_FOCUS_AUTO:
> > + lock = (ctrl->val == true) ? false : true;
> > + ret = thp7312_set_focus_mode(isp_dev, true, true, lock,
> > + isp_dev->af_method);
> > + break;
> > +
> > + case V4L2_CID_FOCUS_ABSOLUTE:
> > + ret = thp7312_set_manual_focus_position(isp_dev, ctrl->val);
> > + if (ret < 0) {
> > + dev_err(dev, "thp7312_set_manual_focus failed %d\n", value);
> > + break;
> > + }
> > +
> > + /*
> > + * If we're in auto, don't change to manual mode. The hardware
> > + * will not apply the focus potision if it's set to auto, so no
> > + * need to skip that.
> > + */
> > + if (isp_dev->af_continuous == true && isp_dev->af_lock == false)
> > + break;
> > +
> > + /* Change to manual mode */
> > + ret = thp7312_set_focus_mode(isp_dev, false, false, false,
> > + isp_dev->af_method);
> > + break;
> > +
> > +
> > + case V4L2_CID_AUTO_FOCUS_START:
> > + /* If we're in auto, don't do one-shot AF. */
> > + if (isp_dev->af_continuous == true && isp_dev->af_lock == false)
> > + break;
> > +
> > + /* Change to one-shot auto mode (with lock) */
> > + ret = thp7312_set_focus_mode(isp_dev, true, false, true,
> > + isp_dev->af_method);
> > + break;
> > +
> > +
> > + case V4L2_CID_THINE_AUTO_FOCUS_METHOD:
> > + ret = thp7312_set_focus_mode(isp_dev, isp_dev->focus_mode_auto,
> > + isp_dev->af_continuous,
> > + isp_dev->af_lock, ctrl->val);
> > + break;
> > +
> > +
> > + case V4L2_CID_ROTATE:
> > + if (ctrl->val == 0)
> > + value = 0; /* 0 degree. camera is set to normal.*/
> > + else
> > + value = 3; /* 180 degree. camera is set to flip & mirror */
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_FLIP_MIRROR, value);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to set flip and mirror: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_THINE_NOISE_REDUCTION_AUTO:
> > + ret = thp7312_read_reg(isp_dev, THP7312_REG_NOISE_REDUCTION, &value);
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to read noise reduction: %d\n", ret);
> > + break;
> > + }
> > +
> > + value = (ctrl->val == true) ? (value & 0x7F) : (value | 0x80);
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_NOISE_REDUCTION, value);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to set noise reduction auto: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_THINE_NOISE_REDUCTION_ABSOLUTE:
> > + ret = thp7312_read_reg(isp_dev, THP7312_REG_NOISE_REDUCTION, &value);
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to read noise reduction: %d\n", ret);
> > + break;
> > + }
> > +
> > + value = value & 0x80;
> > + value = value | (ctrl->val & 0x7F);
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_NOISE_REDUCTION, value);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to set noise reduction absolute: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_AUTO_WHITE_BALANCE:
> > + value = (ctrl->val == true) ? THP7312_WB_MODE_AUTO : THP7312_WB_MODE_MANUAL;
> > +
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_WB_MODE, value);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to write auto white balance: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_RED_BALANCE:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_MANUAL_WB_RED_GAIN, ctrl->val);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to write manual red balance: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_BLUE_BALANCE:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_MANUAL_WB_BLUE_GAIN, ctrl->val);
> > + if (ret < 0)
> > + dev_err(dev, "Failed to write manual blue balance: %d\n", ret);
> > + break;
> > +
> > + case V4L2_CID_AUTO_EXPOSURE_BIAS:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AE_EXPOSURE_COMPENSATION, ctrl->val);
> > + break;
> > +
> > + case V4L2_CID_POWER_LINE_FREQUENCY:
> > + if (ctrl->val == V4L2_CID_POWER_LINE_FREQUENCY_60HZ) {
> > + value = THP7312_AE_FLICKER_MODE_60;
> > + } else if (ctrl->val==V4L2_CID_POWER_LINE_FREQUENCY_50HZ) {
> > + value = THP7312_AE_FLICKER_MODE_50;
> > + } else {
> > + if (isp_dev->fw_major_version == 40 && isp_dev->fw_minor_version == 03) {
> > + /* THP7312_AE_FLICKER_MODE_DISABLE is not supported */
> > + value = THP7312_AE_FLICKER_MODE_50;
> > + } else {
> > + value = THP7312_AE_FLICKER_MODE_DISABLE;
> > + }
> > + }
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_AE_FLICKER_MODE, value);
> > + break;
> > +
> > + case V4L2_CID_SATURATION:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_SATURATION, ctrl->val);
> > + break;
> > +
> > + case V4L2_CID_CONTRAST:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_CONTRAST, ctrl->val);
> > + break;
> > +
> > + case V4L2_CID_SHARPNESS:
> > + ret = thp7312_write_reg(isp_dev, THP7312_REG_SHARPNESS, ctrl->val);
> > + break;
> > +
> > + default:
> > + dev_err(dev, "unsupported control id: %d\n", ctrl->id);
> > + break;
> > + }
> > +
> > + pm_runtime_put(&client->dev);
> > +
> > + return ret;
> > +}
> > +
> > +static const struct v4l2_ctrl_ops thp7312_ctrl_ops = {
> > + .s_ctrl = thp7312_s_ctrl,
> > +};
> > +
> > +static const struct v4l2_ctrl_config thp7312_v4l2_ctrls_custom[] = {
> > + {
> > + .ops = &thp7312_ctrl_ops,
> > + .id = V4L2_CID_THINE_LOW_LIGHT_COMPENSATION,
> > + .name = "Low Light Compensation",
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .min = 0,
> > + .def = 1,
> > + .max = 1,
> > + .step = 1,
> > + },
> > +
> > + {
> > + .ops = &thp7312_ctrl_ops,
> > + .id = V4L2_CID_THINE_AUTO_FOCUS_METHOD,
> > + .name = "Auto-Focus Method",
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .min = 0,
> > + .def = 2,
> > + .max = 2,
> > + .step = 1,
> > + },
> > +
> > + {
> > + .ops = &thp7312_ctrl_ops,
> > + .id = V4L2_CID_THINE_NOISE_REDUCTION_AUTO,
> > + .name = "Noise Reduction Auto",
> > + .type = V4L2_CTRL_TYPE_BOOLEAN,
> > + .min = 0,
> > + .def = 1,
> > + .max = 1,
> > + .step = 1,
> > + },
> > +
> > + {
> > + .ops = &thp7312_ctrl_ops,
> > + .id = V4L2_CID_THINE_NOISE_REDUCTION_ABSOLUTE,
> > + .name = "Noise Reduction Level",
> > + .type = V4L2_CTRL_TYPE_INTEGER,
> > + .min = 0,
> > + .def = 0,
> > + .max = 10,
> > + .step = 1,
> > + },
> > +};
> > +
> > +static const s64 exp_bias_qmenu[] = {
> > + -2000, -1667, -1333, -1000, -667, -333, 0, 333, 667, 1000, 1333, 1667, 2000
> > +};
> > +
> > +static int thp7312_init_controls(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct v4l2_ctrl *ctrl;
> > + struct device *dev = &isp_dev->i2c_client->dev;
> > + int i, ret = 0;
> > + struct v4l2_ctrl_handler *hdl = &isp_dev->ctrl_handler;
> > + struct v4l2_fwnode_device_properties props;
> > +
> > + v4l2_ctrl_handler_init(hdl, 64);
> > +
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_FOCUS_AUTO,
> > + 0, 1, 1, 1);
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_AUTO_FOCUS_START,
> > + 1, 1, 1, 1);
> > + /* 0: 3000cm, 18: 8cm */
> > + ctrl = v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_FOCUS_ABSOLUTE,
> > + 0, 18, 1, 0);
> > + if (ctrl != NULL) {
> > + /*
> > + * This needs to be set so that the value will be saved even if
> > + * it is set while FOCUS_AUTO is true
> > + */
> > + ctrl->flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
> > + }
> > +
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_AUTO_WHITE_BALANCE,
> > + 0, 1, 1, 1);
> > + /* 32: 1x, 255: 7.95x */
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_RED_BALANCE,
> > + 32, 255, 1, 64);
> > + /* 32: 1x, 255: 7.95x */
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_BLUE_BALANCE,
> > + 32, 255, 1, 50);
> > +
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_BRIGHTNESS,
> > + -10, 10, 1, 0);
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_SATURATION,
> > + 0, 31, 1, 10);
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_CONTRAST,
> > + 0, 20, 1, 10);
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_SHARPNESS,
> > + 0, 31, 1, 8);
> > +
> > + v4l2_ctrl_new_std(hdl, &thp7312_ctrl_ops, V4L2_CID_ROTATE,
> > + 0, 180, 180, 0);
> > +
> > + v4l2_ctrl_new_int_menu(hdl, &thp7312_ctrl_ops,
> > + V4L2_CID_AUTO_EXPOSURE_BIAS,
> > + ARRAY_SIZE(exp_bias_qmenu) - 1,
> > + ARRAY_SIZE(exp_bias_qmenu) / 2, exp_bias_qmenu);
> > +
> > + v4l2_ctrl_new_std_menu(hdl, &thp7312_ctrl_ops,
> > + V4L2_CID_POWER_LINE_FREQUENCY,
> > + V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0,
> > + V4L2_CID_POWER_LINE_FREQUENCY_50HZ);
> > +
> > + /* set properties from fwnode (e.g. rotation, orientation) */
> > + ret = v4l2_fwnode_device_parse(dev, &props);
> > + if (ret) {
> > + dev_err(dev, "Failed to parse fwnode: %d\n", ret);
> > + goto error;
> > + }
> > +
> > + ret = v4l2_ctrl_new_fwnode_properties(hdl, &thp7312_ctrl_ops, &props);
> > + if (ret) {
> > + dev_err(dev, "Failed to create new v4l2 ctrl for fwnode properties: %d\n", ret);
> > + goto error;
> > + }
> > +
> > + for (i = 0; i < ARRAY_SIZE(thp7312_v4l2_ctrls_custom); i++)
> > + v4l2_ctrl_new_custom(hdl, &thp7312_v4l2_ctrls_custom[i], NULL);
> > +
> > + if (hdl->error) {
> > + dev_err(dev, "v4l2_ctrl_handler error\n");
> > + ret = hdl->error;
> > + goto error;
> > + }
> > +
> > + v4l2_ctrl_handler_setup(hdl);
> > +
> > + return ret;
> > +
> > +error:
> > + v4l2_ctrl_handler_free(hdl);
> > + return ret;
> > +}
> > +
> > +static int thp7312_read_firmware_version(struct thp7312_isp_dev *isp_dev)
> > +{
> > + int ret;
> > +
> > + ret = thp7312_read_reg(isp_dev, THP7312_REG_FIRMWARE_VERSION_1,
> > + &isp_dev->fw_major_version);
> > + if (ret < 0)
> > + return ret;
> > +
> > + return thp7312_read_reg(isp_dev, THP7312_REG_FIRMWARE_VERSION_2,
> > + &isp_dev->fw_minor_version);
> > +}
> > +
> > +static void thp7312_init_fmt(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct v4l2_mbus_framefmt *fmt;
> > +
> > + /*
> > + * default init sequence initialize isp_dev to
> > + * YUV422 YUYV VGA@...ps
> > + */
> > + fmt = &isp_dev->fmt;
> > + fmt->code = MEDIA_BUS_FMT_YUYV8_1X16;
> > + fmt->colorspace = V4L2_COLORSPACE_SRGB;
> > + fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace);
> > + fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
> > + fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace);
> > + fmt->width = 1920;
> > + fmt->height = 1080;
> > + fmt->field = V4L2_FIELD_NONE;
> > + isp_dev->frame_interval.numerator = 1;
> > + isp_dev->frame_interval.denominator = thp7312_framerates[THP7312_30_FPS];
> > + isp_dev->current_fr = THP7312_30_FPS;
> > +
> > + isp_dev->active_mode = &thp7312_mode_info_data[0];
> > +}
> > +
> > +static int thp7312_parse_dt(struct thp7312_isp_dev *isp_dev)
> > +{
> > + struct fwnode_handle *endpoint;
> > + struct device *dev = &isp_dev->i2c_client->dev;
> > + int ret;
> > +
> > + 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_parse(endpoint, &isp_dev->ep);
> > + fwnode_handle_put(endpoint);
> > + if (ret) {
> > + dev_err(dev, "Could not parse endpoint\n");
> > + return ret;
> > + }
> > +
> > + if (isp_dev->ep.bus_type != V4L2_MBUS_CSI2_DPHY) {
> > + dev_err(dev, "Unsupported bus type %d\n", isp_dev->ep.bus_type);
> > + return -EINVAL;
> > + }
> > +
> > + return 0;
> > +}
> > +
> > +static int thp7312_probe(struct i2c_client *client)
> > +{
> > + struct device *dev = &client->dev;
> > + struct thp7312_isp_dev *isp_dev;
> > + int ret;
> > +
> > + dev_info(dev, "Start of probe %s:%d", __func__, __LINE__);
> > + isp_dev = devm_kzalloc(dev, sizeof(*isp_dev), GFP_KERNEL);
> > + if (!isp_dev)
> > + return -ENOMEM;
> > + isp_dev->i2c_client = client;
> > +
> > + thp7312_init_fmt(isp_dev);
> > +
> > + isp_dev->current_mode =
> > + (struct thp7312_mode_info *)thp7312_find_mode(isp_dev,
> > + isp_dev->current_fr,
> > + isp_dev->fmt.width,
> > + isp_dev->fmt.height,
> > + true);
> > +
> > + /* TODO fix firmware */
> > + /* update mode hardcoded at 0 for now */
> > + isp_dev->fw_update_mode = 0;
> > + isp_dev->fw_major_version = 0;
> > + isp_dev->fw_minor_version = 0;
> > + isp_dev->thp7312_register_rw_address = 61440;
> > +
> > + ret = thp7312_parse_dt(isp_dev);
> > + if (ret < 0) {
> > + dev_err(dev, "Failed to parse DT: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + ret = thp7312_get_regulators(isp_dev);
> > + if (ret) {
> > + dev_err(dev, "Failed to get regulators: %d\n", ret);
> > + return ret;
> > + }
> > +
> > + isp_dev->iclk = devm_clk_get(dev, NULL);
> > + if (IS_ERR(isp_dev->iclk)) {
> > + dev_err(dev, "Failed to get iclk\n");
> > + return PTR_ERR(isp_dev->iclk);
> > + }
> > +
> > + /* request reset pin */
> > + isp_dev->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
> > + if (IS_ERR(isp_dev->reset_gpio)) {
> > + dev_err(dev, "Failed to get reset gpio\n");
> > + return PTR_ERR(isp_dev->reset_gpio);
> > + }
> > +
> > + v4l2_i2c_subdev_init(&isp_dev->sd, client, &thp7312_subdev_ops);
> > + isp_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
> > + isp_dev->pad.flags = MEDIA_PAD_FL_SOURCE;
> > + isp_dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
> > +
> > + mutex_init(&isp_dev->lock);
> > +
> > + ret = media_entity_pads_init(&isp_dev->sd.entity, 1, &isp_dev->pad);
> > + if (ret)
> > + goto mutex_destroy;
> > +
> > + ret = thp7312_set_power_on(dev);
> > + if (ret)
> > + goto entity_cleanup;
> > +
> > + ret = thp7312_read_firmware_version(isp_dev);
> > + if (ret < 0) {
> > + dev_warn(dev, "Camera is not found\n");
> > + goto power_off;
> > + }
> > +
> > + dev_info(dev, "THP7312 firmware version = %02d.%02d",
> > + isp_dev->fw_major_version, isp_dev->fw_minor_version);
> > +
> > + ret = thp7312_init_controls(isp_dev);
> > + if (ret)
> > + goto power_off;
> > +
> > + isp_dev->sd.ctrl_handler = &isp_dev->ctrl_handler;
> > +
> > + ret = v4l2_async_register_subdev(&isp_dev->sd);
> > + if (ret < 0) {
> > + dev_err(dev, "Subdev registeration failed");
> > + goto free_ctrls;
> > + }
> > +
> > + pm_runtime_set_active(dev);
> > + pm_runtime_enable(dev);
> > +
> > + dev_info(dev, "v4l2 async register subdev done");
> > +
> > + return 0;
> > +
> > +free_ctrls:
> > + v4l2_ctrl_handler_free(&isp_dev->ctrl_handler);
> > +power_off:
> > + thp7312_set_power_off(dev);
> > +entity_cleanup:
> > + media_entity_cleanup(&isp_dev->sd.entity);
> > +mutex_destroy:
> > + mutex_destroy(&isp_dev->lock);
> > + return ret;
> > +}
> > +
> > +static void thp7312_remove(struct i2c_client *client)
> > +{
> > + struct v4l2_subdev *sd = i2c_get_clientdata(client);
> > + struct thp7312_isp_dev *isp_dev = to_thp7312_dev(sd);
> > +
> > + v4l2_async_unregister_subdev(&isp_dev->sd);
> > + v4l2_ctrl_handler_free(&isp_dev->ctrl_handler);
> > + media_entity_cleanup(&isp_dev->sd.entity);
> > + v4l2_device_unregister_subdev(sd);
> > + pm_runtime_disable(&client->dev);
> > + mutex_destroy(&isp_dev->lock);
> > +}
> > +
> > +static const struct i2c_device_id thp7312_id[] = {
> > + {"thp7312", 0},
> > + {},
> > +};
> > +MODULE_DEVICE_TABLE(i2c, thp7312_id);
> > +
> > +static const struct of_device_id thp7312_dt_ids[] = {
> > + { .compatible = "thine,thp7312" },
> > + { /* sentinel */ }
> > +};
> > +MODULE_DEVICE_TABLE(of, thp7312_dt_ids);
> > +
> > +static const struct dev_pm_ops thp7312_pm_ops = {
> > + SET_RUNTIME_PM_OPS(thp7312_set_power_off, thp7312_set_power_on, NULL)
> > +};
> > +
> > +static struct i2c_driver thp7312_i2c_driver = {
> > + .driver = {
> > + .name = "thp7312",
> > + .of_match_table = thp7312_dt_ids,
> > + },
> > + .id_table = thp7312_id,
> > + .probe_new = thp7312_probe,
> > + .remove = thp7312_remove,
> > +};
> > +
> > +module_i2c_driver(thp7312_i2c_driver);
> > +
> > +MODULE_DESCRIPTION("THP7312 MIPI Camera Subdev Driver");
> > +MODULE_LICENSE("GPL");
> > --
> > 2.39.2
> >
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