// SPDX-License-Identifier: GPL-2.0
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/*
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* sc5239 sensor driver
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*
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* Copyright (C) 2020 Rockchip Electronics Co., Ltd.
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*
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* V0.0X01.0X00 first version.
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*/
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//#define DEBUG
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <linux/of_graph.h>
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#include <linux/regmap.h>
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#include <linux/pinctrl/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <linux/version.h>
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#include <linux/rk-camera-module.h>
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#include <linux/rk-preisp.h>
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#include <media/v4l2-async.h>
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#include <media/media-entity.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-fwnode.h>
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#include <media/v4l2-subdev.h>
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#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x00)
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#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
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#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
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#define SC5239_NAME "sc5239"
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#define SC5239_MEDIA_BUS_FMT MEDIA_BUS_FMT_SBGGR10_1X10
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#define SC5239_LINK_FREQ_600M 300000000
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#define SC5239_LINK_FREQ_828M 414000000
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#define SC5239_XVCLK_FREQ 24000000
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#define SC5239_REG_CHIP_ID_H 0x3107
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#define SC5239_REG_CHIP_ID_L 0x3108
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#define SC5239_REG_EXP_LONG_H 0x3e01
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#define SC5239_REG_EXP_LONG_L 0x3e02
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#define SC5239_REG_EXP_SHORT_H 0x3e04
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#define SC5239_REG_EXP_SHORT_L 0x3e05
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#define SC5239_REG_LONG_DGAIN 0x3e06
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#define SC5239_REG_LONG_FINE_DGAIN 0x3e07
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#define SC5239_REG_LONG_AGAIN 0x3e08
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#define SC5239_REG_LONG_FINE_AGAIN 0x3e09
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#define SC5239_REG_SHORT_DGAIN 0x3e10
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#define SC5239_REG_SHORT_FINE_DGAIN 0x3e11
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#define SC5239_REG_SHORT_AGAIN 0x3e12
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#define SC5239_REG_SHORT_FINE_AGAIN 0x3e13
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#define SC5239_FLIP_MIRROR_REG 0x3221
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#define SC5239_MIRROR_MASK 0x06
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#define SC5239_FLIP_MASK 0xe0
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#define SC5239_REG_CTRL_MODE 0x0100
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#define SC5239_MODE_SW_STANDBY 0x0
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#define SC5239_MODE_STREAMING BIT(0)
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#define SC5239_CHIP_ID 0x5235
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#define SC5239_REG_VTS_H 0x320e
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#define SC5239_REG_VTS_L 0x320f
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#define SC5239_VTS_MAX 0x3FFF
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#define SC5239_HTS_MAX 0x0FFF
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#define SC5239_EXPOSURE_NORMAL_MAX 0x118A
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#define SC5239_EXPOSURE_NORMAL_MIN 3
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#define SC5239_EXPOSURE_NORMAL_STEP 1
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#define SC5239_GAIN_MIN 0x20
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#define SC5239_GAIN_MAX 0x4000
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#define SC5239_GAIN_STEP 1
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#define SC5239_GAIN_DEFAULT 0x20
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#define SC5239_LANES 2
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static const char * const sc5239_supply_names[] = {
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"dovdd", /* Digital I/O power */
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"avdd", /* Analog power */
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"dvdd", /* Digital power */
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};
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#define SC5239_NUM_SUPPLIES ARRAY_SIZE(sc5239_supply_names)
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#define to_sc5239(sd) container_of(sd, struct sc5239, subdev)
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enum {
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PAD0,
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PAD1,
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PAD2,
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PAD3,
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PAD_MAX,
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};
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enum {
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LINK_FREQ_INDEX,
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LINK_FREQ_15FPS_24MHz_HDR,
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};
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struct sc5239_mode {
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u32 bus_fmt;
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u32 width;
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u32 height;
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struct v4l2_fract max_fps;
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u32 hts_def;
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u32 vts_def;
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u32 exp_def;
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u32 link_freq_index;
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u32 bpp;
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const struct reg_sequence *reg_list;
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u32 reg_num;
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u32 hdr_mode;
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u32 vc[PAD_MAX];
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};
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struct sc5239 {
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struct i2c_client *client;
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struct device *dev;
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struct clk *xvclk;
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struct regmap *regmap;
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struct gpio_desc *reset_gpio;
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struct gpio_desc *pwdn_gpio;
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struct regulator_bulk_data supplies[SC5239_NUM_SUPPLIES];
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struct pinctrl *pinctrl;
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struct pinctrl_state *pins_default;
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struct pinctrl_state *pins_sleep;
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struct v4l2_subdev subdev;
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struct media_pad pad;
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struct v4l2_ctrl_handler ctrl_handler;
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struct v4l2_ctrl *exposure;
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struct v4l2_ctrl *anal_gain;
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struct v4l2_ctrl *hblank;
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struct v4l2_ctrl *vblank;
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struct v4l2_ctrl *h_flip;
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struct v4l2_ctrl *v_flip;
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struct v4l2_ctrl *link_freq;
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struct v4l2_ctrl *pixel_rate;
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struct mutex lock;
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bool streaming;
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bool power_on;
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unsigned int cfg_num;
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const struct sc5239_mode *cur_mode;
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u32 module_index;
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const char *module_facing;
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const char *module_name;
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const char *len_name;
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bool has_init_exp;
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struct preisp_hdrae_exp_s init_hdrae_exp;
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};
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static const struct regmap_config sc5239_regmap_config = {
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.reg_bits = 16,
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.val_bits = 8,
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.max_register = 0xff00,
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};
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static const s64 link_freq_menu_items[] = {
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SC5239_LINK_FREQ_600M,
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SC5239_LINK_FREQ_828M,
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};
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/*
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* window size=2560*1920 mipi@2lane
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* mclk=24M mipi_clk=600Mbps
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* pixel_line_total=xxxx line_frame_total=2256
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* row_time=60us frame_rate=15fps
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*/
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static const struct reg_sequence sc5239_24M_2560_1920_liner_15fps_settings[] = {
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{0x0103, 0x01},
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{0x0100, 0x00},
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{0x3039, 0x80},
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{0x3029, 0x80},
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{0x302a, 0x36},
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{0x302b, 0x10},
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{0x302c, 0x00},
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{0x302d, 0x03},
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{0x3038, 0x44},
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{0x303a, 0x3b},
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{0x303d, 0x20},
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{0x3200, 0x00},
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{0x3201, 0x14},
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{0x3202, 0x00},
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{0x3203, 0x10},
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{0x3204, 0x0a},
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{0x3205, 0x1c},
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{0x3206, 0x07},
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{0x3207, 0x97},
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{0x3208, 0x0a},
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{0x3209, 0x00},
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{0x320a, 0x07},
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{0x320b, 0x80},
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{0x320c, 0x05},
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{0x320d, 0xdc},
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{0x320e, 0x0a},
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{0x320f, 0x6a},
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{0x3211, 0x05},
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{0x3213, 0x04},
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{0x3221, 0x00},
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{0x3235, 0x0f},
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{0x3236, 0x9e},
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{0x3301, 0x1c},
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{0x3303, 0x28},
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{0x3304, 0x10},
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{0x3306, 0x50},
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{0x3308, 0x10},
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{0x3309, 0x70},
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{0x330a, 0x00},
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{0x330b, 0xb8},
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{0x330e, 0x20},
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{0x3314, 0x14},
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{0x3315, 0x02},
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{0x331b, 0x83},
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{0x331e, 0x19},
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{0x331f, 0x61},
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{0x3320, 0x01},
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{0x3321, 0x04},
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{0x3326, 0x00},
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{0x3333, 0x20},
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{0x3334, 0x40},
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{0x3364, 0x05},
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{0x3366, 0x78},
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{0x3367, 0x08},
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{0x3368, 0x03},
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{0x3369, 0x00},
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{0x336a, 0x00},
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{0x336b, 0x00},
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{0x336c, 0x01},
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{0x336d, 0x40},
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{0x337f, 0x03},
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{0x338f, 0x40},
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{0x33b6, 0x07},
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{0x33b7, 0x17},
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{0x33b8, 0x20},
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{0x33b9, 0x20},
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{0x33ba, 0x44},
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{0x3620, 0x28},
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{0x3621, 0xac},
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{0x3622, 0xf6},
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{0x3623, 0x10},
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{0x3624, 0x47},
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{0x3625, 0x0b},
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{0x3630, 0x30},
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{0x3631, 0x88},
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{0x3632, 0x18},
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{0x3633, 0x23},
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{0x3634, 0x86},
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{0x3635, 0x4d},
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{0x3636, 0x21},
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{0x3637, 0x20},
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{0x3638, 0x18},
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{0x3639, 0x09},
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{0x363a, 0x83},
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{0x363b, 0x02},
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{0x363c, 0x07},
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{0x363d, 0x03},
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{0x3670, 0x00},
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{0x3677, 0x86},
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{0x3678, 0x86},
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{0x3679, 0xa8},
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{0x367e, 0x08},
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{0x367f, 0x18},
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{0x3802, 0x00},
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{0x3905, 0x98},
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{0x3907, 0x01},
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{0x3908, 0x11},
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{0x390a, 0x00},
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{0x391c, 0x9f},
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{0x391d, 0x00},
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{0x391e, 0x01},
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{0x391f, 0xc0},
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{0x3e00, 0x00},
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{0x3e01, 0xf9},
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{0x3e02, 0x80},
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{0x3e03, 0x0b},
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{0x3e06, 0x00},
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{0x3e07, 0x80},
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{0x3e08, 0x03},
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{0x3e09, 0x20},
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{0x3e1e, 0x30},
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{0x3e26, 0x20},
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{0x3f00, 0x0d},
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{0x3f04, 0x02},
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{0x3f05, 0xe6},
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{0x3f08, 0x04},
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{0x4500, 0x5d},
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{0x4509, 0x10},
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{0x4809, 0x01},
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{0x4837, 0x21},
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{0x5000, 0x06},
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{0x5002, 0x06},
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{0x5780, 0x7f},
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{0x5781, 0x06},
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{0x5782, 0x04},
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{0x5783, 0x00},
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{0x5784, 0x00},
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{0x5785, 0x16},
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{0x5786, 0x12},
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{0x5787, 0x08},
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{0x5788, 0x02},
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{0x578b, 0x07},
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{0x57a0, 0x00},
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{0x57a1, 0x72},
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{0x57a2, 0x01},
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{0x57a3, 0xf2},
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{0x6000, 0x20},
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{0x6002, 0x00},
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{0x3039, 0x24},
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{0x3029, 0x27},
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};
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/*
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* window size=2560*1920 mipi@2lane
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* mclk=24M mipi_clk=600Mbps
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* pixel_line_total= line_frame_total=2256
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* row_time=60us frame_rate=15fps
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*/
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static const struct reg_sequence sc5239_24M_2560_1920_hdr_15fps_settings[] = {
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{0x0103, 0x01},
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{0x0100, 0x00},
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{0x3039, 0x80},
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{0x3029, 0x80},
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{0x301f, 0x1b},
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{0x302a, 0x69},
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{0x302b, 0x01},
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{0x302c, 0x00},
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{0x302d, 0x03},
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{0x3037, 0x26},
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{0x3038, 0x66},
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{0x303a, 0x29},
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{0x303b, 0x0a},
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{0x303c, 0x0e},
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{0x303d, 0x03},
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{0x3200, 0x00},
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{0x3201, 0x10},
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{0x3202, 0x00},
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{0x3203, 0x0c},
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{0x3204, 0x0a},
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{0x3205, 0x1f},
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{0x3206, 0x07},
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{0x3207, 0x93},
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{0x3208, 0x0a},
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{0x3209, 0x00},
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{0x320a, 0x07},
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{0x320b, 0x80},
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{0x320c, 0x05},
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{0x320d, 0x64},
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{0x320e, 0x0f},
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{0x320f, 0xa0},
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{0x3210, 0x00},
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{0x3211, 0x08},
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{0x3212, 0x00},
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{0x3213, 0x04},
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{0x3220, 0x50},
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{0x3221, 0x00},
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{0x3235, 0x1f},
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{0x3236, 0x3e},
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{0x3301, 0x38},
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{0x3303, 0x20},
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{0x3304, 0x10},
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{0x3306, 0x58},
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{0x3308, 0x10},
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{0x3309, 0x60},
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{0x330a, 0x00},
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{0x330b, 0xb8},
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{0x330d, 0x30},
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{0x330e, 0x20},
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{0x3314, 0x14},
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{0x3315, 0x02},
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{0x331b, 0x83},
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{0x331e, 0x19},
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{0x331f, 0x59},
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{0x3320, 0x01},
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{0x3321, 0x04},
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{0x3326, 0x00},
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{0x3332, 0x22},
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{0x3333, 0x20},
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{0x3334, 0x40},
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{0x3350, 0x22},
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{0x3359, 0x22},
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{0x335c, 0x22},
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{0x3364, 0x05},
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{0x3366, 0xc8},
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{0x3367, 0x08},
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{0x3368, 0x03},
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{0x3369, 0x00},
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{0x336a, 0x00},
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{0x336b, 0x00},
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{0x336c, 0x01},
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{0x336d, 0x40},
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{0x337e, 0x88},
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{0x337f, 0x03},
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{0x338f, 0x40},
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{0x33ae, 0x22},
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{0x33af, 0x22},
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{0x33b0, 0x22},
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{0x33b4, 0x22},
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{0x33b6, 0x07},
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{0x33b7, 0x17},
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{0x33b8, 0x20},
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{0x33b9, 0x20},
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{0x33ba, 0x44},
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{0x3614, 0x00},
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{0x3620, 0x28},
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{0x3621, 0xac},
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{0x3622, 0xf6},
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{0x3623, 0x08},
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{0x3624, 0x47},
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{0x3625, 0x0b},
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{0x3630, 0x30},
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{0x3631, 0x88},
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{0x3632, 0x18},
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{0x3633, 0x34},
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{0x3634, 0x86},
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{0x3635, 0x4d},
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{0x3636, 0x21},
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{0x3637, 0x20},
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{0x3638, 0x18},
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{0x3639, 0x09},
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{0x363a, 0x83},
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{0x363b, 0x02},
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{0x363c, 0x07},
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{0x363d, 0x03},
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{0x3670, 0x00},
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{0x3677, 0x86},
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{0x3678, 0x86},
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{0x3679, 0xa8},
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{0x367e, 0x08},
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{0x367f, 0x18},
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{0x3905, 0x98},
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{0x3907, 0x01},
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{0x3908, 0x11},
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{0x390a, 0x00},
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{0x391c, 0x9f},
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{0x391d, 0x00},
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{0x391e, 0x01},
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{0x391f, 0xc0},
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{0x3988, 0x11},
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{0x3e00, 0x01},
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{0x3e01, 0xd4},
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{0x3e02, 0xe0},
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{0x3e03, 0x0b},
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{0x3e04, 0x1d},
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{0x3e05, 0xe0},
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{0x3e06, 0x00},
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{0x3e07, 0x80},
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{0x3e08, 0x03},
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{0x3e09, 0x20},
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{0x3e1e, 0x30},
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{0x3e23, 0x00},
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{0x3e24, 0xf2},
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{0x3e26, 0x20},
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{0x3f00, 0x0d},
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{0x3f02, 0x05},
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{0x3f04, 0x02},
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{0x3f05, 0xaa},
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{0x3f06, 0x21},
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{0x3f08, 0x04},
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{0x4500, 0x5d},
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{0x4502, 0x10},
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{0x4509, 0x10},
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{0x4602, 0x0f},
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{0x4809, 0x01},
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{0x4816, 0x51},
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{0x4837, 0x19},
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{0x5000, 0x20},
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{0x5002, 0x00},
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{0x6000, 0x26},
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{0x6002, 0x06},
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{0x3039, 0x23},
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{0x3029, 0x33},
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};
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static const struct sc5239_mode supported_modes[] = {
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{
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.width = 2560,
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.height = 1920,
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.max_fps = {
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.numerator = 10000,
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.denominator = 150000,
|
},
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.exp_def = 0x08f9,
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.hts_def = 0x05dc,
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.vts_def = 0x0a6a,
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.link_freq_index = LINK_FREQ_INDEX,
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.bus_fmt = SC5239_MEDIA_BUS_FMT,
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.reg_list = sc5239_24M_2560_1920_liner_15fps_settings,
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.reg_num = ARRAY_SIZE(sc5239_24M_2560_1920_liner_15fps_settings),
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.hdr_mode = NO_HDR,
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.bpp = 10,
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.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
|
},
|
{
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.width = 2560,
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.height = 1920,
|
.max_fps = {
|
.numerator = 10000,
|
.denominator = 150000,
|
},
|
.exp_def = 0x0ed4,
|
.hts_def = 0x05dc,
|
.vts_def = 0x0fa0,
|
.link_freq_index = LINK_FREQ_15FPS_24MHz_HDR,
|
.bus_fmt = SC5239_MEDIA_BUS_FMT,
|
.reg_list = sc5239_24M_2560_1920_hdr_15fps_settings,
|
.reg_num = ARRAY_SIZE(sc5239_24M_2560_1920_hdr_15fps_settings),
|
.hdr_mode = HDR_X2,
|
.bpp = 10,
|
.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_1,
|
.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_0,
|
.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_1,
|
.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_1,
|
},
|
};
|
|
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
|
static u64 to_pixel_rate(u32 index)
|
{
|
u64 pixel_rate = link_freq_menu_items[index] * 2 * SC5239_LANES;
|
|
do_div(pixel_rate, 10);
|
return pixel_rate;
|
}
|
|
static inline int sc5239_read_reg(struct sc5239 *sc5239, u16 addr, u8 *value)
|
{
|
unsigned int val;
|
int ret;
|
|
ret = regmap_read(sc5239->regmap, addr, &val);
|
if (ret) {
|
dev_err(sc5239->dev, "i2c read failed at addr: %x\n", addr);
|
return ret;
|
}
|
*value = val & 0xff;
|
return 0;
|
}
|
|
static inline int sc5239_write_reg(struct sc5239 *sc5239, u16 addr, u8 value)
|
{
|
int ret;
|
|
ret = regmap_write(sc5239->regmap, addr, value);
|
if (ret) {
|
dev_err(sc5239->dev, "i2c write failed at addr: %x\n", addr);
|
return ret;
|
}
|
return ret;
|
}
|
|
static void sc5239_get_gain_reg(struct sc5239 *sc5239, u32 total_gain, u32 *again, u32 *again_fine,
|
u32 *dgain, u32 *dgain_fine)
|
{
|
if (total_gain < 0x40) {/* 1 ~ 2 gain */
|
*again = 0x03;
|
*again_fine = total_gain;
|
*dgain = 0x00;
|
*dgain_fine = 0x80;
|
} else if (total_gain < 0x80) {/* 2 ~ 4 gain */
|
*again = 0x07;
|
*again_fine = total_gain >> 1;
|
*dgain = 0x00;
|
*dgain_fine = 0x80;
|
} else if (total_gain < 0x100) {/* 4 ~ 8 gain */
|
*again = 0x0F;
|
*again_fine = total_gain >> 2;
|
*dgain = 0x00;
|
*dgain_fine = 0x80;
|
} else if (total_gain <= 0x1F8) {/* 8 ~ 15.75 gain */
|
*again = 0x1F;
|
*again_fine = total_gain >> 3;
|
*dgain = 0x00;
|
*dgain_fine = 0x80;
|
} else if (total_gain < 0x400) {/* 15.75 ~ 32 gain */
|
*again = 0x1F;
|
*again_fine = 0x3F;
|
*dgain = 0x00;
|
*dgain_fine = total_gain >> 2;
|
} else if (total_gain < 0x800) {/* 32 ~ 64 gain */
|
*again = 0x1F;
|
*again_fine = 0x3F;
|
*dgain = 0x01;
|
*dgain_fine = total_gain >> 3;
|
} else if (total_gain < 0x1000) {/* 64 ~ 128 gain */
|
*again = 0x1F;
|
*again_fine = 0x3F;
|
*dgain = 0x03;
|
*dgain_fine = total_gain >> 4;
|
} else if (total_gain < 0x2000) {/* 128 ~ 256 gain */
|
*again = 0x1F;
|
*again_fine = 0x3F;
|
*dgain = 0x07;
|
*dgain_fine = total_gain >> 5;
|
} else if (total_gain < 0x4000) {/* 256 ~ 496 gain */
|
*again = 0x1F;
|
*again_fine = 0x3F;
|
*dgain = 0x0F;
|
*dgain_fine = total_gain >> 6;
|
}
|
|
if (sc5239->cur_mode->hdr_mode == NO_HDR) {
|
if (total_gain < 0x40) {/* 1 ~ 2 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x1c);
|
sc5239_write_reg(sc5239, 0x3630, 0x30);
|
sc5239_write_reg(sc5239, 0x3633, 0x23);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x83);
|
} else if (total_gain < 0x80) {/* 2 ~ 4 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x26);
|
sc5239_write_reg(sc5239, 0x3630, 0x23);
|
sc5239_write_reg(sc5239, 0x3633, 0x33);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x87);
|
} else if (total_gain < 0x100) {/* 4 ~ 8 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x2c);
|
sc5239_write_reg(sc5239, 0x3630, 0x24);
|
sc5239_write_reg(sc5239, 0x3633, 0x43);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
} else if (total_gain <= 0x1F8) {/* 8 ~ 15.75 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x38);
|
sc5239_write_reg(sc5239, 0x3630, 0x28);
|
sc5239_write_reg(sc5239, 0x3633, 0x43);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
} else {
|
sc5239_write_reg(sc5239, 0x3301, 0x44);
|
sc5239_write_reg(sc5239, 0x3630, 0x19);
|
sc5239_write_reg(sc5239, 0x3633, 0x55);
|
sc5239_write_reg(sc5239, 0x3622, 0x16);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
}
|
} else if (sc5239->cur_mode->hdr_mode == HDR_X2) {
|
if (total_gain < 0x40) {/* 1 ~ 2 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x20);
|
sc5239_write_reg(sc5239, 0x3630, 0x30);
|
sc5239_write_reg(sc5239, 0x3633, 0x34);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x83);
|
} else if (total_gain < 0x80) {/* 2 ~ 4 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x28);
|
sc5239_write_reg(sc5239, 0x3630, 0x34);
|
sc5239_write_reg(sc5239, 0x3633, 0x35);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x87);
|
} else if (total_gain < 0x100) {/* 4 ~ 8 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x28);
|
sc5239_write_reg(sc5239, 0x3630, 0x24);
|
sc5239_write_reg(sc5239, 0x3633, 0x35);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
} else if (total_gain <= 0x1F8) {/* 8 ~ 15.75 gain */
|
sc5239_write_reg(sc5239, 0x3301, 0x48);
|
sc5239_write_reg(sc5239, 0x3630, 0x16);
|
sc5239_write_reg(sc5239, 0x3633, 0x45);
|
sc5239_write_reg(sc5239, 0x3622, 0xf6);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
} else {
|
sc5239_write_reg(sc5239, 0x3301, 0x48);
|
sc5239_write_reg(sc5239, 0x3630, 0x09);
|
sc5239_write_reg(sc5239, 0x3633, 0x46);
|
sc5239_write_reg(sc5239, 0x3622, 0x16);
|
sc5239_write_reg(sc5239, 0x363a, 0x9f);
|
|
}
|
}
|
}
|
|
static int sc5239_set_ctrl(struct v4l2_ctrl *ctrl)
|
{
|
struct sc5239 *sc5239 = container_of(ctrl->handler,
|
struct sc5239, ctrl_handler);
|
s64 max;
|
u32 again = 0, again_fine = 0, dgain = 0, dgain_fine = 0;
|
int ret = 0;
|
u32 vts = 0;
|
u8 val = 0;
|
|
/* Propagate change of current control to all related controls */
|
switch (ctrl->id) {
|
case V4L2_CID_VBLANK:
|
/* Update max exposure while meeting expected vblanking */
|
max = ((sc5239->cur_mode->height + ctrl->val) << 1) - 4;
|
__v4l2_ctrl_modify_range(sc5239->exposure,
|
sc5239->exposure->minimum, max,
|
sc5239->exposure->step,
|
sc5239->exposure->default_value);
|
break;
|
}
|
|
if (pm_runtime_get(sc5239->dev) <= 0)
|
return 0;
|
|
switch (ctrl->id) {
|
case V4L2_CID_EXPOSURE:
|
if (sc5239->cur_mode->hdr_mode != NO_HDR)
|
return ret;
|
dev_dbg(sc5239->dev, "set exposure 0x%x\n", ctrl->val);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_H, ctrl->val >> 4);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_L, ctrl->val << 4);
|
break;
|
case V4L2_CID_ANALOGUE_GAIN:
|
if (sc5239->cur_mode->hdr_mode != NO_HDR)
|
return ret;
|
dev_dbg(sc5239->dev, "set again 0x%x\n", ctrl->val);
|
sc5239_get_gain_reg(sc5239, ctrl->val, &again, &again_fine, &dgain, &dgain_fine);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_DGAIN, dgain);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_DGAIN, dgain_fine);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_AGAIN, again);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_AGAIN, again_fine);
|
break;
|
case V4L2_CID_VBLANK:
|
dev_dbg(sc5239->dev, "set vblank 0x%x\n", ctrl->val);
|
vts = ctrl->val + sc5239->cur_mode->height;
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_VTS_H, (vts >> 8) & 0xff);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_VTS_L, vts & 0xff);
|
break;
|
case V4L2_CID_HFLIP:
|
ret |= sc5239_read_reg(sc5239, SC5239_FLIP_MIRROR_REG, &val);
|
if (ret)
|
break;
|
|
if (ctrl->val)
|
val |= SC5239_MIRROR_MASK;
|
else
|
val &= ~SC5239_MIRROR_MASK;
|
ret |= sc5239_write_reg(sc5239, SC5239_FLIP_MIRROR_REG, val);
|
break;
|
case V4L2_CID_VFLIP:
|
ret |= sc5239_read_reg(sc5239, SC5239_FLIP_MIRROR_REG, &val);
|
if (ret)
|
break;
|
|
if (ctrl->val)
|
val |= SC5239_FLIP_MASK;
|
else
|
val &= ~SC5239_FLIP_MASK;
|
ret |= sc5239_write_reg(sc5239, SC5239_FLIP_MIRROR_REG, val);
|
break;
|
default:
|
dev_warn(sc5239->dev, "%s Unhandled id:0x%x, val:0x%x\n",
|
__func__, ctrl->id, ctrl->val);
|
break;
|
}
|
pm_runtime_put(sc5239->dev);
|
return ret;
|
}
|
|
static const struct v4l2_ctrl_ops sc5239_ctrl_ops = {
|
.s_ctrl = sc5239_set_ctrl,
|
};
|
|
static int sc5239_get_regulators(struct sc5239 *sc5239)
|
{
|
unsigned int i;
|
|
for (i = 0; i < SC5239_NUM_SUPPLIES; i++)
|
sc5239->supplies[i].supply = sc5239_supply_names[i];
|
return devm_regulator_bulk_get(sc5239->dev,
|
SC5239_NUM_SUPPLIES,
|
sc5239->supplies);
|
}
|
|
static int sc5239_initialize_controls(struct sc5239 *sc5239)
|
{
|
const struct sc5239_mode *mode;
|
struct v4l2_ctrl_handler *handler;
|
s64 exposure_max, vblank_def;
|
u32 h_blank;
|
int ret;
|
|
handler = &sc5239->ctrl_handler;
|
mode = sc5239->cur_mode;
|
ret = v4l2_ctrl_handler_init(handler, 8);
|
if (ret)
|
return ret;
|
handler->lock = &sc5239->lock;
|
sc5239->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ,
|
ARRAY_SIZE(link_freq_menu_items) - 1, 0,
|
link_freq_menu_items);
|
|
sc5239->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
|
0, to_pixel_rate(LINK_FREQ_INDEX),
|
1, to_pixel_rate(LINK_FREQ_INDEX));
|
h_blank = mode->hts_def - mode->width;
|
|
sc5239->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
|
h_blank, h_blank, 1, h_blank);
|
if (sc5239->hblank)
|
sc5239->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
vblank_def = mode->vts_def - mode->height;
|
|
sc5239->vblank = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops,
|
V4L2_CID_VBLANK, vblank_def,
|
SC5239_VTS_MAX - mode->height,
|
1, vblank_def);
|
|
exposure_max = (2 * mode->vts_def - 8);
|
|
sc5239->exposure = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops,
|
V4L2_CID_EXPOSURE, SC5239_EXPOSURE_NORMAL_MIN,
|
exposure_max, SC5239_EXPOSURE_NORMAL_STEP,
|
mode->exp_def);
|
|
sc5239->anal_gain = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops,
|
V4L2_CID_ANALOGUE_GAIN, SC5239_GAIN_MIN,
|
SC5239_GAIN_MAX, SC5239_GAIN_STEP,
|
SC5239_GAIN_DEFAULT);
|
|
v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops,
|
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
|
v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops,
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
|
if (handler->error) {
|
ret = handler->error;
|
dev_err(sc5239->dev, "Failed to init controls(%d)\n", ret);
|
goto err_free_handler;
|
}
|
|
sc5239->subdev.ctrl_handler = handler;
|
sc5239->has_init_exp = false;
|
|
return 0;
|
err_free_handler:
|
v4l2_ctrl_handler_free(handler);
|
return ret;
|
}
|
|
static int __sc5239_power_on(struct sc5239 *sc5239)
|
{
|
int ret;
|
struct device *dev = sc5239->dev;
|
|
if (!IS_ERR_OR_NULL(sc5239->pins_default)) {
|
ret = pinctrl_select_state(sc5239->pinctrl,
|
sc5239->pins_default);
|
if (ret < 0)
|
dev_err(dev, "could not set pins\n");
|
}
|
ret = clk_set_rate(sc5239->xvclk, SC5239_XVCLK_FREQ);
|
if (ret < 0)
|
dev_warn(dev, "Failed to set xvclk rate\n");
|
if (clk_get_rate(sc5239->xvclk) != SC5239_XVCLK_FREQ)
|
dev_warn(dev, "xvclk mismatched, modes are based on 27MHz\n");
|
ret = clk_prepare_enable(sc5239->xvclk);
|
if (ret < 0) {
|
dev_err(dev, "Failed to enable xvclk\n");
|
return ret;
|
}
|
ret = regulator_bulk_enable(SC5239_NUM_SUPPLIES, sc5239->supplies);
|
if (ret < 0) {
|
dev_err(dev, "Failed to enable regulators\n");
|
goto disable_clk;
|
}
|
if (!IS_ERR(sc5239->reset_gpio))
|
gpiod_set_value_cansleep(sc5239->reset_gpio, 1);
|
usleep_range(1000, 2000);
|
if (!IS_ERR(sc5239->pwdn_gpio))
|
gpiod_set_value_cansleep(sc5239->pwdn_gpio, 1);
|
if (!IS_ERR(sc5239->reset_gpio))
|
gpiod_set_value_cansleep(sc5239->reset_gpio, 0);
|
|
return 0;
|
disable_clk:
|
clk_disable_unprepare(sc5239->xvclk);
|
|
if (!IS_ERR_OR_NULL(sc5239->pins_sleep))
|
pinctrl_select_state(sc5239->pinctrl, sc5239->pins_sleep);
|
|
return ret;
|
}
|
|
static void __sc5239_power_off(struct sc5239 *sc5239)
|
{
|
int ret;
|
struct device *dev = sc5239->dev;
|
|
if (!IS_ERR_OR_NULL(sc5239->pins_sleep)) {
|
ret = pinctrl_select_state(sc5239->pinctrl,
|
sc5239->pins_sleep);
|
if (ret < 0)
|
dev_dbg(dev, "could not set pins\n");
|
}
|
if (!IS_ERR(sc5239->reset_gpio))
|
gpiod_set_value_cansleep(sc5239->reset_gpio, 1);
|
if (!IS_ERR(sc5239->pwdn_gpio))
|
gpiod_set_value_cansleep(sc5239->pwdn_gpio, 0);
|
regulator_bulk_disable(SC5239_NUM_SUPPLIES, sc5239->supplies);
|
clk_disable_unprepare(sc5239->xvclk);
|
}
|
|
static int sc5239_check_sensor_id(struct sc5239 *sc5239)
|
{
|
u8 id_h = 0, id_l = 0;
|
u16 id = 0;
|
int ret = 0;
|
|
ret = sc5239_read_reg(sc5239, SC5239_REG_CHIP_ID_H, &id_h);
|
ret |= sc5239_read_reg(sc5239, SC5239_REG_CHIP_ID_L, &id_l);
|
if (ret) {
|
dev_err(sc5239->dev, "Failed to read sensor id, (%d)\n", ret);
|
return ret;
|
}
|
id = id_h << 8 | id_l;
|
if (id != SC5239_CHIP_ID) {
|
dev_err(sc5239->dev, "sensor id: %04X mismatched\n", id);
|
return -ENODEV;
|
}
|
dev_info(sc5239->dev, "Detected SC5239 sensor\n");
|
|
return 0;
|
}
|
|
static void sc5239_get_module_inf(struct sc5239 *sc5239,
|
struct rkmodule_inf *inf)
|
{
|
memset(inf, 0, sizeof(*inf));
|
strscpy(inf->base.lens, sc5239->len_name, sizeof(inf->base.lens));
|
strscpy(inf->base.sensor, SC5239_NAME, sizeof(inf->base.sensor));
|
strscpy(inf->base.module, sc5239->module_name, sizeof(inf->base.module));
|
}
|
|
static int sc5239_set_hdrae(struct sc5239 *sc5239,
|
struct preisp_hdrae_exp_s *ae)
|
{
|
int ret = 0;
|
u32 l_exp_time, m_exp_time, s_exp_time;
|
u32 l_t_gain, m_t_gain, s_t_gain;
|
u32 l_again = 0, l_again_fine = 0, l_dgain = 0, l_dgain_fine = 0;
|
u32 s_again = 0, s_again_fine = 0, s_dgain = 0, s_dgain_fine = 0;
|
|
if (!sc5239->has_init_exp && !sc5239->streaming) {
|
sc5239->init_hdrae_exp = *ae;
|
sc5239->has_init_exp = true;
|
dev_dbg(&sc5239->client->dev, "sc5239 don't stream, record exp for hdr!\n");
|
return ret;
|
}
|
|
l_exp_time = ae->long_exp_reg;
|
m_exp_time = ae->middle_exp_reg;
|
s_exp_time = ae->short_exp_reg;
|
l_t_gain = ae->long_gain_reg;
|
m_t_gain = ae->middle_gain_reg;
|
s_t_gain = ae->short_gain_reg;
|
|
dev_dbg(&sc5239->client->dev,
|
"rev exp req: L_exp: 0x%x, M_exp: 0x%x, S_exp: 0x%x, L_tgain: 0x%x, M_tgain: 0x%x, S_tgain: 0x%x\n",
|
l_exp_time, m_exp_time, s_exp_time,
|
l_t_gain, m_t_gain, s_t_gain);
|
|
if (sc5239->cur_mode->hdr_mode == HDR_X2) {
|
//2 stagger
|
l_t_gain = m_t_gain;
|
l_exp_time = m_exp_time;
|
}
|
|
l_exp_time = l_exp_time << 1;
|
s_exp_time = s_exp_time << 1;
|
|
// set exposure reg
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_L, (l_exp_time << 4) & 0xff);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_H, (l_exp_time >> 4));
|
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_SHORT_L, (s_exp_time << 4) & 0xff);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_SHORT_H, (s_exp_time >> 4));
|
|
// set gain reg
|
sc5239_get_gain_reg(sc5239, l_t_gain, &l_again, &l_again_fine, &l_dgain, &l_dgain_fine);
|
sc5239_get_gain_reg(sc5239, s_t_gain, &s_again, &s_again_fine, &s_dgain, &s_dgain_fine);
|
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_DGAIN, l_dgain);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_DGAIN, l_dgain_fine);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_AGAIN, l_again);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_AGAIN, l_again_fine);
|
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_DGAIN, s_dgain);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_FINE_DGAIN, s_dgain_fine);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_AGAIN, s_again);
|
ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_FINE_AGAIN, s_again_fine);
|
|
return ret;
|
}
|
|
static long sc5239_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
struct rkmodule_hdr_cfg *hdr_cfg;
|
const struct sc5239_mode *mode;
|
long ret = 0;
|
u32 stream = 0;
|
u32 i, h, w;
|
u64 pixel_rate = 0;
|
|
switch (cmd) {
|
case RKMODULE_GET_HDR_CFG:
|
hdr_cfg = (struct rkmodule_hdr_cfg *)arg;
|
hdr_cfg->esp.mode = HDR_NORMAL_VC;
|
hdr_cfg->hdr_mode = sc5239->cur_mode->hdr_mode;
|
break;
|
case RKMODULE_GET_MODULE_INFO:
|
sc5239_get_module_inf(sc5239, (struct rkmodule_inf *)arg);
|
break;
|
case RKMODULE_SET_HDR_CFG:
|
hdr_cfg = (struct rkmodule_hdr_cfg *)arg;
|
w = sc5239->cur_mode->width;
|
h = sc5239->cur_mode->height;
|
|
for (i = 0; i < sc5239->cfg_num; i++) {
|
if (w == supported_modes[i].width &&
|
h == supported_modes[i].height &&
|
supported_modes[i].hdr_mode == hdr_cfg->hdr_mode) {
|
sc5239->cur_mode = &supported_modes[i];
|
break;
|
}
|
}
|
if (i == sc5239->cfg_num) {
|
dev_err(sc5239->dev, "not find hdr mode:%d %dx%d config\n",
|
hdr_cfg->hdr_mode, w, h);
|
ret = -EINVAL;
|
} else {
|
mode = sc5239->cur_mode;
|
w = mode->hts_def - mode->width;
|
h = mode->vts_def - mode->height;
|
__v4l2_ctrl_modify_range(sc5239->hblank, w, w, 1, w);
|
__v4l2_ctrl_modify_range(sc5239->vblank, h,
|
SC5239_VTS_MAX - mode->height, 1, h);
|
|
__v4l2_ctrl_s_ctrl(sc5239->link_freq, mode->link_freq_index);
|
pixel_rate = (u32)link_freq_menu_items[mode->link_freq_index]
|
/ mode->bpp * 2 * SC5239_LANES;
|
__v4l2_ctrl_s_ctrl_int64(sc5239->pixel_rate, pixel_rate);
|
|
dev_info(sc5239->dev, "sensor mode: %d\n", mode->hdr_mode);
|
}
|
break;
|
case PREISP_CMD_SET_HDRAE_EXP:
|
if (sc5239->cur_mode->hdr_mode == HDR_X2)
|
ret = sc5239_set_hdrae(sc5239, arg);
|
break;
|
case RKMODULE_SET_QUICK_STREAM:
|
stream = *((u32 *)arg);
|
if (stream)
|
ret = sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE,
|
SC5239_MODE_STREAMING);
|
else
|
ret = sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE,
|
SC5239_MODE_SW_STANDBY);
|
break;
|
default:
|
ret = -ENOIOCTLCMD;
|
break;
|
}
|
return ret;
|
}
|
|
static int __sc5239_start_stream(struct sc5239 *sc5239)
|
{
|
int ret;
|
|
ret = regmap_multi_reg_write(sc5239->regmap,
|
sc5239->cur_mode->reg_list,
|
sc5239->cur_mode->reg_num);
|
if (ret)
|
return ret;
|
__v4l2_ctrl_handler_setup(&sc5239->ctrl_handler);
|
return sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, SC5239_MODE_STREAMING);
|
}
|
|
static int __sc5239_stop_stream(struct sc5239 *sc5239)
|
{
|
sc5239->has_init_exp = false;
|
return sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, SC5239_MODE_SW_STANDBY);
|
}
|
|
#ifdef CONFIG_COMPAT
|
static long sc5239_compat_ioctl32(struct v4l2_subdev *sd,
|
unsigned int cmd, unsigned long arg)
|
{
|
void __user *up = compat_ptr(arg);
|
struct rkmodule_inf *inf;
|
struct rkmodule_hdr_cfg *hdr;
|
struct preisp_hdrae_exp_s *hdrae;
|
u32 stream = 0;
|
long ret = 0;
|
|
switch (cmd) {
|
case RKMODULE_GET_MODULE_INFO:
|
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
|
if (!inf) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
ret = sc5239_ioctl(sd, cmd, inf);
|
if (!ret) {
|
ret = copy_to_user(up, inf, sizeof(*inf));
|
if (ret)
|
ret = -EFAULT;
|
}
|
kfree(inf);
|
break;
|
case RKMODULE_GET_HDR_CFG:
|
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
|
if (!hdr) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
ret = sc5239_ioctl(sd, cmd, hdr);
|
if (!ret) {
|
ret = copy_to_user(up, hdr, sizeof(*hdr));
|
if (ret)
|
ret = -EFAULT;
|
}
|
kfree(hdr);
|
break;
|
case RKMODULE_SET_HDR_CFG:
|
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
|
if (!hdr) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
|
if (copy_from_user(hdr, up, sizeof(*hdr))) {
|
kfree(hdr);
|
return -EFAULT;
|
}
|
|
ret = sc5239_ioctl(sd, cmd, hdr);
|
|
kfree(hdr);
|
break;
|
case PREISP_CMD_SET_HDRAE_EXP:
|
hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL);
|
if (!hdrae) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
|
if (copy_from_user(hdrae, up, sizeof(*hdrae))) {
|
kfree(hdrae);
|
return -EFAULT;
|
}
|
|
ret = sc5239_ioctl(sd, cmd, hdrae);
|
|
kfree(hdrae);
|
break;
|
case RKMODULE_SET_QUICK_STREAM:
|
if (copy_from_user(&stream, up, sizeof(u32)))
|
return -EFAULT;
|
|
ret = sc5239_ioctl(sd, cmd, &stream);
|
break;
|
default:
|
ret = -ENOIOCTLCMD;
|
break;
|
}
|
return ret;
|
}
|
#endif
|
|
static int sc5239_s_stream(struct v4l2_subdev *sd, int on)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
int ret = 0;
|
|
mutex_lock(&sc5239->lock);
|
on = !!on;
|
if (on == sc5239->streaming)
|
goto unlock_and_return;
|
if (on) {
|
ret = pm_runtime_get_sync(sc5239->dev);
|
if (ret < 0) {
|
pm_runtime_put_noidle(sc5239->dev);
|
goto unlock_and_return;
|
}
|
ret = __sc5239_start_stream(sc5239);
|
if (ret) {
|
dev_err(sc5239->dev, "Failed to start sc5239 stream\n");
|
pm_runtime_put(sc5239->dev);
|
goto unlock_and_return;
|
}
|
} else {
|
__sc5239_stop_stream(sc5239);
|
pm_runtime_put(sc5239->dev);
|
}
|
sc5239->streaming = on;
|
unlock_and_return:
|
mutex_unlock(&sc5239->lock);
|
return 0;
|
}
|
|
static int sc5239_g_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_frame_interval *fi)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
const struct sc5239_mode *mode = sc5239->cur_mode;
|
|
mutex_lock(&sc5239->lock);
|
fi->interval = mode->max_fps;
|
mutex_unlock(&sc5239->lock);
|
return 0;
|
}
|
|
static int sc5239_g_mbus_config(struct v4l2_subdev *sd,
|
struct v4l2_mbus_config *config)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
u32 val = 1 << (SC5239_LANES - 1) | V4L2_MBUS_CSI2_CHANNEL_0 |
|
V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
|
config->type = V4L2_MBUS_CSI2;
|
config->flags = (sc5239->cur_mode->hdr_mode == NO_HDR) ?
|
val : (val | V4L2_MBUS_CSI2_CHANNEL_1);
|
return 0;
|
}
|
|
static int sc5239_enum_mbus_code(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_mbus_code_enum *code)
|
{
|
if (code->index != 0)
|
return -EINVAL;
|
code->code = SC5239_MEDIA_BUS_FMT;
|
return 0;
|
}
|
|
static int sc5239_enum_frame_sizes(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_frame_size_enum *fse)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
if (fse->index >= sc5239->cfg_num)
|
return -EINVAL;
|
|
if (fse->code != SC5239_MEDIA_BUS_FMT)
|
return -EINVAL;
|
|
fse->min_width = supported_modes[fse->index].width;
|
fse->max_width = supported_modes[fse->index].width;
|
fse->max_height = supported_modes[fse->index].height;
|
fse->min_height = supported_modes[fse->index].height;
|
return 0;
|
}
|
|
static int sc5239_enum_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_frame_interval_enum *fie)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
if (fie->index >= sc5239->cfg_num)
|
return -EINVAL;
|
fie->code = SC5239_MEDIA_BUS_FMT;
|
fie->width = supported_modes[fie->index].width;
|
fie->height = supported_modes[fie->index].height;
|
fie->interval = supported_modes[fie->index].max_fps;
|
fie->reserved[0] = supported_modes[fie->index].hdr_mode;
|
return 0;
|
}
|
|
static int sc5239_set_fmt(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_format *fmt)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
const struct sc5239_mode *mode;
|
s64 h_blank, vblank_def;
|
|
mutex_lock(&sc5239->lock);
|
mode = v4l2_find_nearest_size(supported_modes,
|
ARRAY_SIZE(supported_modes),
|
width, height,
|
fmt->format.width, fmt->format.height);
|
fmt->format.code = SC5239_MEDIA_BUS_FMT;
|
fmt->format.width = mode->width;
|
fmt->format.height = mode->height;
|
fmt->format.field = V4L2_FIELD_NONE;
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
|
#else
|
mutex_unlock(&sc5239->lock);
|
return -ENOTTY;
|
#endif
|
} else {
|
sc5239->cur_mode = mode;
|
__v4l2_ctrl_s_ctrl(sc5239->link_freq, mode->link_freq_index);
|
__v4l2_ctrl_s_ctrl_int64(sc5239->pixel_rate,
|
to_pixel_rate(mode->link_freq_index));
|
h_blank = mode->hts_def - mode->width;
|
__v4l2_ctrl_modify_range(sc5239->hblank, h_blank,
|
h_blank, 1, h_blank);
|
vblank_def = mode->vts_def - mode->height;
|
__v4l2_ctrl_modify_range(sc5239->vblank, vblank_def,
|
SC5239_VTS_MAX - mode->height,
|
1, vblank_def);
|
}
|
mutex_unlock(&sc5239->lock);
|
return 0;
|
}
|
|
static int sc5239_get_fmt(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_format *fmt)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
const struct sc5239_mode *mode = sc5239->cur_mode;
|
|
mutex_lock(&sc5239->lock);
|
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
|
#else
|
mutex_unlock(&sc5239->lock);
|
return -ENOTTY;
|
#endif
|
} else {
|
fmt->format.width = mode->width;
|
fmt->format.height = mode->height;
|
fmt->format.code = SC5239_MEDIA_BUS_FMT;
|
fmt->format.field = V4L2_FIELD_NONE;
|
fmt->reserved[0] = mode->vc[PAD0];
|
}
|
mutex_unlock(&sc5239->lock);
|
return 0;
|
}
|
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
static int sc5239_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
struct v4l2_mbus_framefmt *try_fmt =
|
v4l2_subdev_get_try_format(sd, fh->pad, 0);
|
const struct sc5239_mode *def_mode = &supported_modes[0];
|
|
mutex_lock(&sc5239->lock);
|
/* Initialize try_fmt */
|
try_fmt->width = def_mode->width;
|
try_fmt->height = def_mode->height;
|
try_fmt->code = SC5239_MEDIA_BUS_FMT;
|
try_fmt->field = V4L2_FIELD_NONE;
|
mutex_unlock(&sc5239->lock);
|
return 0;
|
}
|
#endif
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
static const struct v4l2_subdev_internal_ops sc5239_internal_ops = {
|
.open = sc5239_open,
|
};
|
#endif
|
|
static int sc5239_s_power(struct v4l2_subdev *sd, int on)
|
{
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
int ret = 0;
|
|
mutex_lock(&sc5239->lock);
|
if (sc5239->power_on == !!on)
|
goto unlock_and_return;
|
if (on) {
|
ret = pm_runtime_get_sync(sc5239->dev);
|
if (ret < 0) {
|
pm_runtime_put_noidle(sc5239->dev);
|
goto unlock_and_return;
|
}
|
sc5239->power_on = true;
|
} else {
|
pm_runtime_put(sc5239->dev);
|
sc5239->power_on = false;
|
}
|
unlock_and_return:
|
mutex_unlock(&sc5239->lock);
|
return ret;
|
}
|
|
static const struct v4l2_subdev_core_ops sc5239_core_ops = {
|
.s_power = sc5239_s_power,
|
.ioctl = sc5239_ioctl,
|
#ifdef CONFIG_COMPAT
|
.compat_ioctl32 = sc5239_compat_ioctl32,
|
#endif
|
};
|
|
static const struct v4l2_subdev_video_ops sc5239_video_ops = {
|
.s_stream = sc5239_s_stream,
|
.g_frame_interval = sc5239_g_frame_interval,
|
.g_mbus_config = sc5239_g_mbus_config,
|
};
|
|
static const struct v4l2_subdev_pad_ops sc5239_pad_ops = {
|
.enum_mbus_code = sc5239_enum_mbus_code,
|
.enum_frame_size = sc5239_enum_frame_sizes,
|
.enum_frame_interval = sc5239_enum_frame_interval,
|
.get_fmt = sc5239_get_fmt,
|
.set_fmt = sc5239_set_fmt,
|
};
|
|
static const struct v4l2_subdev_ops sc5239_subdev_ops = {
|
.core = &sc5239_core_ops,
|
.video = &sc5239_video_ops,
|
.pad = &sc5239_pad_ops,
|
};
|
|
static int sc5239_runtime_resume(struct device *dev)
|
{
|
struct i2c_client *client = to_i2c_client(dev);
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
__sc5239_power_on(sc5239);
|
return 0;
|
}
|
|
static int sc5239_runtime_suspend(struct device *dev)
|
{
|
struct i2c_client *client = to_i2c_client(dev);
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
__sc5239_power_off(sc5239);
|
return 0;
|
}
|
|
static const struct dev_pm_ops sc5239_pm_ops = {
|
SET_RUNTIME_PM_OPS(sc5239_runtime_suspend,
|
sc5239_runtime_resume, NULL)
|
};
|
|
static int sc5239_probe(struct i2c_client *client,
|
const struct i2c_device_id *id)
|
{
|
struct device *dev = &client->dev;
|
struct device_node *node = dev->of_node;
|
struct sc5239 *sc5239;
|
struct v4l2_subdev *sd;
|
char facing[2];
|
int ret;
|
|
dev_info(dev, "driver version: %02x.%02x.%02x",
|
DRIVER_VERSION >> 16,
|
(DRIVER_VERSION & 0xff00) >> 8,
|
DRIVER_VERSION & 0x00ff);
|
sc5239 = devm_kzalloc(dev, sizeof(*sc5239), GFP_KERNEL);
|
if (!sc5239)
|
return -ENOMEM;
|
sc5239->dev = dev;
|
sc5239->regmap = devm_regmap_init_i2c(client, &sc5239_regmap_config);
|
if (IS_ERR(sc5239->regmap)) {
|
dev_err(dev, "Failed to initialize I2C\n");
|
return -ENODEV;
|
}
|
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
|
&sc5239->module_index);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
|
&sc5239->module_facing);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
|
&sc5239->module_name);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
|
&sc5239->len_name);
|
if (ret) {
|
dev_err(dev, "Failed to get module information\n");
|
return -EINVAL;
|
}
|
sc5239->xvclk = devm_clk_get(sc5239->dev, "xvclk");
|
if (IS_ERR(sc5239->xvclk)) {
|
dev_err(sc5239->dev, "Failed to get xvclk\n");
|
return -EINVAL;
|
}
|
sc5239->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
|
if (IS_ERR(sc5239->reset_gpio))
|
dev_warn(dev, "Failed to get reset-gpios\n");
|
sc5239->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_HIGH);
|
if (IS_ERR(sc5239->pwdn_gpio))
|
dev_warn(dev, "Failed to get pwdn-gpios\n");
|
ret = sc5239_get_regulators(sc5239);
|
if (ret) {
|
dev_err(dev, "Failed to get regulators\n");
|
return ret;
|
}
|
sc5239->pinctrl = devm_pinctrl_get(dev);
|
if (!IS_ERR(sc5239->pinctrl)) {
|
sc5239->pins_default =
|
pinctrl_lookup_state(sc5239->pinctrl,
|
OF_CAMERA_PINCTRL_STATE_DEFAULT);
|
if (IS_ERR(sc5239->pins_default))
|
dev_info(dev, "could not get default pinstate\n");
|
|
sc5239->pins_sleep =
|
pinctrl_lookup_state(sc5239->pinctrl,
|
OF_CAMERA_PINCTRL_STATE_SLEEP);
|
if (IS_ERR(sc5239->pins_sleep))
|
dev_info(dev, "could not get sleep pinstate\n");
|
} else {
|
dev_info(dev, "no pinctrl\n");
|
}
|
mutex_init(&sc5239->lock);
|
/* set default mode */
|
sc5239->cur_mode = &supported_modes[0];
|
sc5239->cfg_num = ARRAY_SIZE(supported_modes);
|
sd = &sc5239->subdev;
|
ret = __sc5239_power_on(sc5239);
|
if (ret)
|
goto err_free_handler;
|
ret = sc5239_check_sensor_id(sc5239);
|
if (ret)
|
goto err_power_off;
|
v4l2_i2c_subdev_init(sd, client, &sc5239_subdev_ops);
|
ret = sc5239_initialize_controls(sc5239);
|
if (ret)
|
goto err_destroy_mutex;
|
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
|
sd->internal_ops = &sc5239_internal_ops;
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
#endif
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
sc5239->pad.flags = MEDIA_PAD_FL_SOURCE;
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
ret = media_entity_pads_init(&sd->entity, 1, &sc5239->pad);
|
if (ret < 0)
|
goto err_power_off;
|
#endif
|
memset(facing, 0, sizeof(facing));
|
if (strcmp(sc5239->module_facing, "back") == 0)
|
facing[0] = 'b';
|
else
|
facing[0] = 'f';
|
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
|
sc5239->module_index, facing,
|
SC5239_NAME, dev_name(sd->dev));
|
ret = v4l2_async_register_subdev_sensor_common(sd);
|
if (ret) {
|
dev_err(dev, "Failed to register v4l2 async subdev\n");
|
goto err_clean_entity;
|
}
|
|
pm_runtime_set_active(dev);
|
pm_runtime_enable(dev);
|
pm_runtime_idle(dev);
|
return 0;
|
err_clean_entity:
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
media_entity_cleanup(&sd->entity);
|
#endif
|
err_power_off:
|
__sc5239_power_off(sc5239);
|
err_free_handler:
|
v4l2_ctrl_handler_free(&sc5239->ctrl_handler);
|
err_destroy_mutex:
|
mutex_destroy(&sc5239->lock);
|
return ret;
|
}
|
|
static int sc5239_remove(struct i2c_client *client)
|
{
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
struct sc5239 *sc5239 = to_sc5239(sd);
|
|
v4l2_async_unregister_subdev(sd);
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
media_entity_cleanup(&sd->entity);
|
#endif
|
v4l2_ctrl_handler_free(&sc5239->ctrl_handler);
|
mutex_destroy(&sc5239->lock);
|
pm_runtime_disable(&client->dev);
|
if (!pm_runtime_status_suspended(&client->dev))
|
__sc5239_power_off(sc5239);
|
pm_runtime_set_suspended(&client->dev);
|
return 0;
|
}
|
|
static const struct i2c_device_id sc5239_match_id[] = {
|
{ "smartsens,sc5239", 0 },
|
{ },
|
};
|
|
static const struct of_device_id sc5239_of_match[] = {
|
{ .compatible = "smartsens,sc5239" },
|
{},
|
};
|
|
MODULE_DEVICE_TABLE(of, sc5239_of_match);
|
|
static struct i2c_driver sc5239_i2c_driver = {
|
.driver = {
|
.name = SC5239_NAME,
|
.pm = &sc5239_pm_ops,
|
.of_match_table = of_match_ptr(sc5239_of_match),
|
},
|
.probe = &sc5239_probe,
|
.remove = &sc5239_remove,
|
.id_table = sc5239_match_id,
|
};
|
|
static int __init sensor_mod_init(void)
|
{
|
return i2c_add_driver(&sc5239_i2c_driver);
|
}
|
|
static void __exit sensor_mod_exit(void)
|
{
|
i2c_del_driver(&sc5239_i2c_driver);
|
}
|
|
device_initcall_sync(sensor_mod_init);
|
module_exit(sensor_mod_exit);
|
|
MODULE_DESCRIPTION("Smartsens sc5239 Image Sensor driver");
|
MODULE_LICENSE("GPL v2");
|
