add sc2210 driver

rk3588-15suo-sc2210-dphy0.dtsi

@@ -0,0 +1,181 @@
+&csi2_dphy0_hw {
+	status = "okay";
+};
+
+&csi2_dphy1_hw {
+	status = "okay";
+};
+
+&csi2_dphy4 {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		port@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mipidphy4_in_ucam0: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&sc2210_out1>;
+				data-lanes = <1 2>;
+			};
+		};
+		port@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			csidphy4_out: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&mipi4_csi2_input>;
+			};
+		};
+	};
+};
+
+&i2c4 {
+	status = "okay";
+	pinctrl-0 = <&i2c4m0_xfer>;
+
+
+	dw9763_1: dw9763-1@c {
+                compatible = "dongwoon,dw9763";
+                status = "disable";
+                reg = <0x0c>;
+                rockchip,vcm-max-current = <120>;
+                rockchip,vcm-start-current = <20>;
+                rockchip,vcm-rated-current = <90>;
+                rockchip,vcm-step-mode = <3>;
+                rockchip,vcm-t-src = <0x20>;
+                rockchip,vcm-t-div = <1>;
+                rockchip,camera-module-index = <0>;
+                rockchip,camera-module-facing = "back";
+        };
+
+        sc2210_1: sc2210-1@30 {
+                compatible = "smartsens,sc2210";
+                status = "okay";
+                reg = <0x30>;
+                clocks = <&cru CLK_MIPI_CAMARAOUT_M3>;
+                clock-names = "xvclk";
+                power-domains = <&power RK3588_PD_VI>;
+//                power-gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_HIGH>;
+                reset-gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+                pwdn-gpios = <&gpio1 RK_PB1 GPIO_ACTIVE_HIGH>; 
+                pinctrl-names = "default";
+                pinctrl-0 = <&mipim0_camera3_clk>;
+                rockchip,camera-module-index = <0>;
+                rockchip,camera-module-facing = "back";
+                rockchip,camera-module-name = "CMK-OT2016-FV1";
+                rockchip,camera-module-lens-name = "default";
+                lens-focus = <&dw9763_1>;
+		port {
+                        sc2210_out1: endpoint {
+                                remote-endpoint = <&mipidphy4_in_ucam0>;
+                                data-lanes = <1 2>;
+                        };
+                };
+        };
+};
+
+//&mipi_dcphy0 {
+//	status = "okay";
+//};
+
+//&mipi_dcphy1 {
+//	status = "okay";
+//};
+
+&mipi4_csi2 {
+	status = "okay";
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mipi4_csi2_input: endpoint@1 {
+				reg = <1>;
+				remote-endpoint = <&csidphy4_out>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			mipi4_csi2_output: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&cif_mipi_in4>;
+			};
+		};
+	};
+};
+
+&rkcif {
+	status = "okay";
+};
+
+&rkcif_mipi_lvds4 {
+	status = "okay";
+
+	port {
+		cif_mipi_in4: endpoint {
+			remote-endpoint = <&mipi4_csi2_output>;
+		};
+	};
+};
+
+&rkcif_mipi_lvds4_sditf {
+	status = "okay";
+
+	port {
+		mipi4_lvds_sditf: endpoint {
+			remote-endpoint = <&isp1_vir1>;
+		};
+	};
+};
+
+&rkcif_mmu {
+	status = "okay";
+};
+
+&rkisp0 {
+	status = "okay";
+};
+
+&rkisp1 {
+	status = "okay";
+};
+&isp0_mmu {
+	status = "okay";
+};
+
+&isp1_mmu {
+	status = "okay";
+};
+
+&rkisp1_vir1 {
+	status = "okay";
+
+	port {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		isp1_vir1: endpoint@0 {
+			reg = <0>;
+			remote-endpoint = <&mipi4_lvds_sditf>;
+		};
+	};
+};
+
+
+

sc2210.c

@@ -0,0 +1,1751 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * sc2210 driver
+ *
+ * Copyright (C) 2022 Rockchip Electronics Co., Ltd.
+ *
+ * V0.0X01.0X01 first version
+ */
+
+//#define DEBUG
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
+#include <linux/sysfs.h>
+#include <linux/slab.h>
+#include <linux/version.h>
+#include <linux/rk-camera-module.h>
+#include <linux/rk-preisp.h>
+#include <media/media-entity.h>
+#include <media/v4l2-async.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-subdev.h>
+#include <linux/pinctrl/consumer.h>
+#include "../platform/rockchip/isp/rkisp_tb_helper.h"
+
+#define DRIVER_VERSION			KERNEL_VERSION(0, 0x01, 0x01)
+
+#ifndef V4L2_CID_DIGITAL_GAIN
+#define V4L2_CID_DIGITAL_GAIN		V4L2_CID_GAIN
+#endif
+
+#define sc2210_LANES			(2LL)   
+#define sc2210_BITS_PER_SAMPLE		(10LL)
+//#define sc2210_LINK_FREQ_405		432000000LL  
+//186000000
+//202500000LL
+//#define sc2210_LINK_FREQ_405		(200000000LL) 
+// 798M : can not get any video
+// 250M : 
+#define sc2210_LINK_FREQ_405		(200000000LL) 
+
+#define PIXEL_RATE_WITH_405M_10BIT	(sc2210_LINK_FREQ_405 * 2LL * sc2210_LANES / sc2210_BITS_PER_SAMPLE)
+
+#define CHIP_ID				0x2210
+#define sc2210_REG_CHIP_ID		0x3107
+
+#define sc2210_REG_CTRL_MODE		0x0100
+#define sc2210_MODE_SW_STANDBY		0x0
+#define sc2210_MODE_STREAMING		BIT(0)
+
+#define sc2210_REG_EXPOSURE_H		0x3e00
+#define sc2210_REG_EXPOSURE_M		0x3e01
+#define sc2210_REG_EXPOSURE_L		0x3e02
+#define	sc2210_EXPOSURE_MIN		1
+#define	sc2210_EXPOSURE_STEP		1
+#define sc2210_VTS_MAX			0x7fff
+
+#define sc2210_REG_DIG_GAIN		0x3e06
+#define sc2210_REG_DIG_FINE_GAIN	0x3e07
+#define sc2210_REG_ANA_GAIN		0x3e09
+#define sc2210_GAIN_MIN			0x0020
+#define sc2210_GAIN_MAX			(4096)	//32*4*32
+#define sc2210_GAIN_STEP		1
+#define sc2210_GAIN_DEFAULT		0x80
+
+
+//#define sc2210_REG_GROUP_HOLD		0x3812
+//#define sc2210_GROUP_HOLD_START		0x00
+//#define sc2210_GROUP_HOLD_END		0x30
+
+#define sc2210_REG_TEST_PATTERN		0x4501
+#define sc2210_TEST_PATTERN_BIT_MASK	BIT(3)
+
+#define sc2210_REG_VTS_H		0x320e
+#define sc2210_REG_VTS_L		0x320f
+
+#define sc2210_FLIP_MIRROR_REG		0x3221
+
+#define sc2210_FETCH_EXP_H(VAL)		(((VAL) >> 12) & 0xF)
+#define sc2210_FETCH_EXP_M(VAL)		(((VAL) >> 4) & 0xFF)
+#define sc2210_FETCH_EXP_L(VAL)		(((VAL) & 0xF) << 4)
+
+#define sc2210_FETCH_AGAIN_H(VAL)	(((VAL) >> 8) & 0x03)
+#define sc2210_FETCH_AGAIN_L(VAL)	((VAL) & 0xFF)
+
+#define sc2210_FETCH_MIRROR(VAL, ENABLE)	(ENABLE ? VAL | 0x06 : VAL & 0xf9)
+#define sc2210_FETCH_FLIP(VAL, ENABLE)		(ENABLE ? VAL | 0x60 : VAL & 0x9f)
+
+#define REG_DELAY			0xFFFE
+#define REG_NULL			0xFFFF
+
+#define sc2210_REG_VALUE_08BIT		1
+#define sc2210_REG_VALUE_16BIT		2
+#define sc2210_REG_VALUE_24BIT		3
+
+#define OF_CAMERA_PINCTRL_STATE_DEFAULT	"rockchip,camera_default"
+#define OF_CAMERA_PINCTRL_STATE_SLEEP	"rockchip,camera_sleep"
+#define sc2210_NAME			"sc2210"
+
+static const char * const sc2210_supply_names[] = {
+	"avdd",		/* Analog power */
+	"dovdd",	/* Digital I/O power */
+	"dvdd",		/* Digital core power */
+};
+
+#define sc2210_NUM_SUPPLIES ARRAY_SIZE(sc2210_supply_names)
+
+struct regval {
+	u16 addr;
+	u8 val;
+};
+
+struct sc2210_mode {
+	u32 bus_fmt;
+	u32 width;
+	u32 height;
+	struct v4l2_fract max_fps;
+	u32 hts_def;
+	u32 vts_def;
+	u32 exp_def;
+	const struct regval *reg_list;
+	u32 hdr_mode;
+	u32 xvclk_freq;
+	u32 link_freq_idx;
+	u32 vc[PAD_MAX];
+};
+
+struct sc2210 {
+	struct i2c_client	*client;
+	struct clk		*xvclk;
+	struct gpio_desc	*reset_gpio;
+	struct regulator_bulk_data supplies[sc2210_NUM_SUPPLIES];
+
+	struct pinctrl		*pinctrl;
+	struct pinctrl_state	*pins_default;
+	struct pinctrl_state	*pins_sleep;
+
+	struct v4l2_subdev	subdev;
+	struct media_pad	pad;
+	struct v4l2_ctrl_handler ctrl_handler;
+	struct v4l2_ctrl	*exposure;
+	struct v4l2_ctrl	*anal_gain;
+	struct v4l2_ctrl	*digi_gain;
+	struct v4l2_ctrl	*hblank;
+	struct v4l2_ctrl	*vblank;
+	struct v4l2_ctrl	*pixel_rate;
+	struct v4l2_ctrl	*link_freq;
+	struct v4l2_ctrl	*test_pattern;
+	struct mutex		mutex;
+	bool			streaming;
+	bool			power_on;
+	const struct sc2210_mode *cur_mode;
+	u32			module_index;
+	const char		*module_facing;
+	const char		*module_name;
+	const char		*len_name;
+	u32			cur_vts;
+	bool			has_init_exp;
+	bool			is_thunderboot;
+	bool			is_first_streamoff;
+	struct preisp_hdrae_exp_s init_hdrae_exp;
+};
+
+#define to_sc2210(sd) container_of(sd, struct sc2210, subdev)
+
+/*
+ * Xclk 24Mhz
+ */
+static const struct regval sc2210_global_regs[] = {
+	{REG_NULL, 0x00},
+};
+
+/*
+
+1080p_25p
+ */
+static const struct regval sc2210_linear_10_1920x1080_30fps_regs[] = {
+{0x0100,0x00},
+{0x0100,0x00},
+{0x0100,0x00},
+{0x0103,0x01}, //reset
+{0x0100,0x00},
+{0x0100,0x00},
+{0x0100,0x00},
+{0x0100,0x00},
+{0x0100,0x00},
+{0x36e9,0x80},
+{0x36f9,0x80},
+{0x3001,0x07},
+{0x3002,0xc0},
+{0x300a,0x2c},
+{0x300f,0x00},
+{0x3018,0x33},
+{0x3019,0x0c},
+{0x301f,0x47},
+{0x3031,0x0a},
+{0x3033,0x20},
+{0x3038,0x22},
+{0x3106,0x81},
+{0x3201,0x04},
+{0x3203,0x04},
+{0x3204,0x07},
+{0x3205,0x8b},
+{0x3206,0x04},
+{0x3207,0x43},
+{0x320c,0x04},
+{0x320d,0x4c},
+{0x320e,0x05},    //sc2210_REG_VTS_H
+{0x320f,0x46},//25fps  sc2210_REG_VTS_L
+{0x3211,0x04}, //输出窗口列起始位置
+{0x3213,0x04}, //输出窗口行起始位置
+{0x3231,0x02},
+{0x3253,0x04},
+{0x3301,0x0a},
+{0x3302,0x10},
+{0x3304,0x48},
+{0x3305,0x00},
+{0x3306,0x68},
+{0x3308,0x20},
+{0x3309,0x98},
+{0x330a,0x00},
+{0x330b,0xe8},
+{0x330e,0x68},
+{0x3314,0x92},
+{0x3000,0xc0},
+{0x331e,0x41},
+{0x331f,0x91},
+{0x334c,0x10},
+{0x335d,0x60},
+{0x335e,0x02},
+{0x335f,0x06},
+{0x3364,0x16},
+{0x3366,0x92},
+{0x3367,0x10},
+{0x3368,0x04},
+{0x3369,0x00},
+{0x336a,0x00},
+{0x336b,0x00},
+{0x336d,0x03},
+{0x337c,0x08},
+{0x337d,0x0e},
+{0x337f,0x33},
+{0x3390,0x10},
+{0x3391,0x30},
+{0x3392,0x40},
+{0x3393,0x0a},
+{0x3394,0x0a},
+{0x3395,0x0a},
+{0x3396,0x08},
+{0x3397,0x30},
+{0x3398,0x3f},
+{0x3399,0x50},
+{0x339a,0x50},
+{0x339b,0x50},
+{0x339c,0x50},
+{0x33a2,0x0a},
+{0x33b9,0x0e},
+{0x33e1,0x08},
+{0x33e2,0x18},
+{0x33e3,0x18},
+{0x33e4,0x18},
+{0x33e5,0x10},
+{0x33e6,0x06},
+{0x33e7,0x02},
+{0x33e8,0x18},
+{0x33e9,0x10},
+{0x33ea,0x0c},
+{0x33eb,0x10},
+{0x33ec,0x04},
+{0x33ed,0x02},
+{0x33ee,0xa0},
+{0x33ef,0x08},
+{0x33f4,0x18},
+{0x33f5,0x10},
+{0x33f6,0x0c},
+{0x33f7,0x10},
+{0x33f8,0x06},
+{0x33f9,0x02},
+{0x33fa,0x18},
+{0x33fb,0x10},
+{0x33fc,0x0c},
+{0x33fd,0x10},
+{0x33fe,0x04},
+{0x33ff,0x02},
+{0x360f,0x01},
+{0x3622,0xf7},
+{0x3625,0x0a},
+{0x3627,0x02},
+{0x3630,0xa2},
+{0x3631,0x00},
+{0x3632,0xd8},
+{0x3633,0x33},
+{0x3635,0x20},
+{0x3638,0x24},
+{0x363a,0x80},
+{0x363b,0x02},
+{0x363e,0x22},
+{0x3670,0x40},
+{0x3671,0xf7},
+{0x3672,0xf7},
+{0x3673,0x07},
+{0x367a,0x40},
+{0x367b,0x7f},
+{0x36b5,0x40},
+{0x36b6,0x7f},
+{0x36c0,0x80},
+{0x36c1,0x9f},
+{0x36c2,0x9f},
+{0x36cc,0x22},
+{0x36cd,0x23},
+{0x36ce,0x30},
+{0x36d0,0x20},
+{0x36d1,0x40},
+{0x36d2,0x7f},
+{0x36ea,0x75},
+{0x36eb,0x0d},
+{0x36ec,0x13},
+{0x36ed,0x24},
+{0x36fa,0x5f},
+{0x36fb,0x1b},
+{0x36fc,0x10},
+{0x36fd,0x07},
+{0x3905,0xd8},
+{0x3907,0x01},
+{0x3908,0x11},
+{0x391b,0x83},
+{0x391d,0x2c},
+{0x391f,0x00},
+{0x3933,0x28},
+{0x3934,0xa6},
+{0x3940,0x70},
+{0x3942,0x08},
+{0x3943,0xbc},
+{0x3958,0x02},
+{0x3959,0x04},
+{0x3980,0x61},
+{0x3987,0x0b},
+{0x3990,0x00},
+{0x3991,0x00},
+{0x3992,0x00},
+{0x3993,0x00},
+{0x3994,0x00},
+{0x3995,0x00},
+{0x3996,0x00},
+{0x3997,0x00},
+{0x3998,0x00},
+{0x3999,0x00},
+{0x399a,0x00},
+{0x399b,0x00},
+{0x399c,0x00},
+{0x399d,0x00},
+{0x399e,0x00},
+{0x399f,0x00},
+{0x39a0,0x00},
+{0x39a1,0x00},
+{0x39a2,0x03},
+{0x39a3,0x30},
+{0x39a4,0x03},
+{0x39a5,0x60},
+{0x39a6,0x03},
+{0x39a7,0xa0},
+{0x39a8,0x03},
+{0x39a9,0xb0},
+{0x39aa,0x00},
+{0x39ab,0x00},
+{0x39ac,0x00},
+{0x39ad,0x20},
+{0x39ae,0x00},
+{0x39af,0x40},
+{0x39b0,0x00},
+{0x39b1,0x60},
+{0x39b2,0x00},
+{0x39b3,0x00},
+{0x39b4,0x08},
+{0x39b5,0x14},
+{0x39b6,0x20},
+{0x39b7,0x38},
+{0x39b8,0x38},
+{0x39b9,0x20},
+{0x39ba,0x14},
+{0x39bb,0x08},
+{0x39bc,0x08},
+{0x39bd,0x10},
+{0x39be,0x20},
+{0x39bf,0x30},
+{0x39c0,0x30},
+{0x39c1,0x20},
+{0x39c2,0x10},
+{0x39c3,0x08},
+{0x39c4,0x00},
+{0x39c5,0x80},
+{0x39c6,0x00},
+{0x39c7,0x80},
+{0x39c8,0x00},
+{0x39c9,0x00},
+{0x39ca,0x80},
+{0x39cb,0x00},
+{0x39cc,0x00},
+{0x39cd,0x00},
+{0x39ce,0x00},
+{0x39cf,0x00},
+{0x39d0,0x00},
+{0x39d1,0x00},
+{0x39e2,0x05},
+{0x39e3,0xeb},
+{0x39e4,0x07},
+{0x39e5,0xb6},
+{0x39e6,0x00},
+{0x39e7,0x3a},
+{0x39e8,0x3f},
+{0x39e9,0xb7},
+{0x39ea,0x02},
+{0x39eb,0x4f},
+{0x39ec,0x08},
+{0x39ed,0x00},
+{0x3e01,0x46},
+{0x3e02,0x10},
+{0x3e09,0x40},
+{0x3e14,0x31},
+{0x3e1b,0x3a},
+{0x3e26,0x40},
+{0x4401,0x1a},
+{0x4407,0xc0},
+{0x4418,0x34},
+{0x4500,0x18},
+{0x4501,0xb4},  //test patten 0xb4
+{0x4509,0x20},
+{0x4603,0x00},
+{0x4800,0x24},
+{0x4837,0x2b},
+{0x5000,0x0e},
+{0x550f,0x20},
+{0x36e9,0x51},
+{0x36f9,0x53},
+//{0x0100,0x01},
+{REG_NULL, 0x00},
+};
+
+
+static const struct sc2210_mode supported_modes[] = {
+	{
+		.width = 1920,
+		.height = 1080,
+		.max_fps = {
+			.numerator = 10000,
+			.denominator = 250000,
+		},
+		.exp_def = 0x80,  //0x080
+		.hts_def = (1100),
+		.vts_def = (0x546), //0x546
+		.bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10,  //MEDIA_BUS_FMT_SBGGR10_1X10
+		.reg_list = sc2210_linear_10_1920x1080_30fps_regs,
+		.hdr_mode = NO_HDR,
+		.xvclk_freq = 27000000,
+		.link_freq_idx = 0,
+		.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
+	},
+};
+
+static const s64 link_freq_menu_items[] = {
+	sc2210_LINK_FREQ_405,
+};
+
+static const char * const sc2210_test_pattern_menu[] = {
+	"Disabled",
+	"Vertical Color Bar Type 1",
+	"Vertical Color Bar Type 2",
+	"Vertical Color Bar Type 3",
+	"Vertical Color Bar Type 4",
+};
+
+/* Write registers up to 4 at a time */
+static int sc2210_write_reg(struct i2c_client *client, u16 reg,
+			    u32 len, u32 val)
+{
+	u32 buf_i, val_i;
+	u8 buf[6];
+	u8 *val_p;
+	__be32 val_be;
+
+	if (len > 4)
+		return -EINVAL;
+
+
+	buf[0] = reg >> 8;
+	buf[1] = reg & 0xff;
+
+	val_be = cpu_to_be32(val);
+	val_p = (u8 *)&val_be;
+	buf_i = 2;
+	val_i = 4 - len;
+
+	while (val_i < 4)
+		buf[buf_i++] = val_p[val_i++];
+
+	if (i2c_master_send(client, buf, len + 2) != len + 2)
+	{
+		printk("i2c_master_send error\n");
+		return -EIO;
+	}
+	
+	printk("sc2210_write_reg! addr=0x%X val=0x%X len=%d \n",reg,val,len);
+
+	return 0;
+}
+
+static int isc2210_write_reg(struct i2c_client *client, u16 reg,
+			    u32 len, u32 val)
+{
+	u32 buf_i, val_i;
+	u8 buf[6];
+	u8 *val_p;
+	__be32 val_be;
+
+	if (len > 4)
+		return -EINVAL;
+
+
+	buf[0] = reg >> 8;
+	buf[1] = reg & 0xff;
+
+	val_be = cpu_to_be32(val);
+	val_p = (u8 *)&val_be;
+	buf_i = 2;
+	val_i = 4 - len;
+
+	while (val_i < 4)
+		buf[buf_i++] = val_p[val_i++];
+
+	if (i2c_master_send(client, buf, len + 2) != len + 2)
+	{
+		printk("i2c_master_send error\n");
+		return -EIO;
+	}
+	
+//	printk("sc2210_write_reg! addr=0x%X val=0x%X len=%d \n",reg,val,len);
+
+	return 0;
+}
+
+
+static int sc2210_write_array(struct i2c_client *client,
+			       const struct regval *regs)
+{
+	u32 i;
+	int ret = 0;
+
+	for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++)
+		ret = isc2210_write_reg(client, regs[i].addr,
+					sc2210_REG_VALUE_08BIT, regs[i].val);
+
+	printk("sc2210_write_array! i=%d \n",i);
+
+	return ret;
+}
+
+/* Read registers up to 4 at a time */
+static int sc2210_read_reg(struct i2c_client *client, u16 reg, unsigned int len,
+			    u32 *val)
+{
+	struct i2c_msg msgs[2];
+	u8 *data_be_p;
+	__be32 data_be = 0;
+	__be16 reg_addr_be = cpu_to_be16(reg);
+	int ret;
+
+	if (len > 4 || !len)
+		return -EINVAL;
+
+	data_be_p = (u8 *)&data_be;
+	/* Write register address */
+	msgs[0].addr = client->addr;
+	msgs[0].flags = 0;
+	msgs[0].len = 2;
+	msgs[0].buf = (u8 *)&reg_addr_be;
+
+	/* Read data from register */
+	msgs[1].addr = client->addr;
+	msgs[1].flags = I2C_M_RD;
+	msgs[1].len = len;
+	msgs[1].buf = &data_be_p[4 - len];
+
+	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+	if (ret != ARRAY_SIZE(msgs))
+		return -EIO;
+
+	*val = be32_to_cpu(data_be);
+
+	return 0;
+}
+
+static int sc2210_set_gain_reg(struct sc2210 *sc2210, u32 gain)
+{
+	u32 coarse_again = 0, coarse_dgain = 0, fine_dgain = 0;
+	u32 gain_factor;
+	int ret = 0;
+
+	return ret; //debug ws
+
+	gain_factor = gain * 1000 / 32;
+	if (gain_factor < 1000) {
+		coarse_again = 0x00;
+		coarse_dgain = 0x00;
+		fine_dgain = 0x80;
+	} else if (gain_factor < 1000 * 2) {			/*1x ~ 2x gain*/
+		coarse_again = 0x00;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000;
+	} else if (gain_factor < 1000 * 4) {			/*2x ~ 4x gain*/
+		coarse_again = 0x01;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000 / 2;
+	} else if (gain_factor < 1000 * 8) {			/*4x ~ 8x gain*/
+		coarse_again = 0x03;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000 / 4;
+	} else if (gain_factor < 1000 * 16) {			/*8x ~ 16x gain*/
+		coarse_again = 0x07;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000 / 8;
+	} else if (gain_factor < 1000 * 32) {			/*16x ~ 32x gain*/
+		coarse_again = 0x0f;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000 / 16;
+	//open dgain begin  max digital gain 4X
+	} else if (gain_factor < 1000 * 64) {			/*32x ~ 64x gain*/
+		coarse_again = 0x1f;
+		coarse_dgain = 0x00;
+		fine_dgain = gain_factor * 128 / 1000 / 32;
+	} else if (gain_factor < 1000 * 128) {			/*64x ~ 128x gain*/
+		coarse_again = 0x1f;
+		coarse_dgain = 0x01;
+		fine_dgain = gain_factor * 128 / 1000 / 64;
+	} else {						/*max 128x gain*/
+		coarse_again = 0x1f;
+		coarse_dgain = 0x03;
+		fine_dgain = 0x80;
+	}
+	dev_dbg(&sc2210->client->dev,
+		"total_gain: 0x%x, d_gain: 0x%x, d_fine_gain: 0x%x, c_gain: 0x%x\n",
+		gain, coarse_dgain, fine_dgain, coarse_again);
+
+	ret = sc2210_write_reg(sc2210->client,
+				sc2210_REG_DIG_GAIN,
+				sc2210_REG_VALUE_08BIT,
+				coarse_dgain);
+	ret |= sc2210_write_reg(sc2210->client,
+				 sc2210_REG_DIG_FINE_GAIN,
+				 sc2210_REG_VALUE_08BIT,
+				 fine_dgain);
+	ret |= sc2210_write_reg(sc2210->client,
+				 sc2210_REG_ANA_GAIN,
+				 sc2210_REG_VALUE_08BIT,
+				 coarse_again);
+
+	return ret;
+}
+
+static int sc2210_get_reso_dist(const struct sc2210_mode *mode,
+				 struct v4l2_mbus_framefmt *framefmt)
+{
+	return abs(mode->width - framefmt->width) +
+	       abs(mode->height - framefmt->height);
+}
+
+static const struct sc2210_mode *
+sc2210_find_best_fit(struct v4l2_subdev_format *fmt)
+{
+	struct v4l2_mbus_framefmt *framefmt = &fmt->format;
+	int dist;
+	int cur_best_fit = 0;
+	int cur_best_fit_dist = -1;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
+		dist = sc2210_get_reso_dist(&supported_modes[i], framefmt);
+		if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
+			cur_best_fit_dist = dist;
+			cur_best_fit = i;
+		}
+	}
+
+	return &supported_modes[cur_best_fit];
+}
+
+static int sc2210_set_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_subdev_pad_config *cfg,
+			   struct v4l2_subdev_format *fmt)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	const struct sc2210_mode *mode;
+	struct device *dev = &sc2210->client->dev;
+	s64 h_blank, vblank_def;
+	u64 dst_link_freq = 0;
+	u64 dst_pixel_rate = 0;
+
+	dev_info(dev,"enter sc2210_set_fmt\n");
+
+	mutex_lock(&sc2210->mutex);
+
+	mode = sc2210_find_best_fit(fmt);
+	fmt->format.code = mode->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) {
+		dev_info(dev,"enter v4l2_subdev_get_try_format\n");
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+		*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
+#else
+		mutex_unlock(&sc2210->mutex);
+		return -ENOTTY;
+#endif
+	} else {
+		sc2210->cur_mode = mode;
+		h_blank = mode->hts_def - mode->width;
+		
+		__v4l2_ctrl_modify_range(sc2210->hblank, h_blank,
+					 h_blank, 1, h_blank);
+		vblank_def = mode->vts_def - mode->height;
+		__v4l2_ctrl_modify_range(sc2210->vblank, vblank_def,
+					 sc2210_VTS_MAX - mode->height,
+					 1, vblank_def);
+		dst_link_freq = mode->link_freq_idx;
+		dst_pixel_rate = (u32)link_freq_menu_items[mode->link_freq_idx] /
+						 sc2210_BITS_PER_SAMPLE * 2 * sc2210_LANES;
+		__v4l2_ctrl_s_ctrl_int64(sc2210->pixel_rate,
+					 dst_pixel_rate);
+		__v4l2_ctrl_s_ctrl(sc2210->link_freq,
+				   dst_link_freq);
+		dev_info(dev,"h_blank=%lld vblank_def=%lld dst_link_freq=%lld dst_pixel_rate=%lld\n",h_blank,vblank_def,dst_link_freq,dst_pixel_rate);
+	}
+
+	mutex_unlock(&sc2210->mutex);
+
+	return 0;
+}
+
+static int sc2210_get_fmt(struct v4l2_subdev *sd,
+			   struct v4l2_subdev_pad_config *cfg,
+			   struct v4l2_subdev_format *fmt)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	const struct sc2210_mode *mode = sc2210->cur_mode;
+
+	mutex_lock(&sc2210->mutex);
+	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(&sc2210->mutex);
+		return -ENOTTY;
+#endif
+	} else {
+		fmt->format.width = mode->width;
+		fmt->format.height = mode->height;
+		fmt->format.code = mode->bus_fmt;
+		fmt->format.field = V4L2_FIELD_NONE;
+		/* format info: width/height/data type/virctual channel */
+		if (fmt->pad < PAD_MAX && mode->hdr_mode != NO_HDR)
+			fmt->reserved[0] = mode->vc[fmt->pad];
+		else
+			fmt->reserved[0] = mode->vc[PAD0];
+	}
+	mutex_unlock(&sc2210->mutex);
+
+	return 0;
+}
+
+static int sc2210_enum_mbus_code(struct v4l2_subdev *sd,
+				  struct v4l2_subdev_pad_config *cfg,
+				  struct v4l2_subdev_mbus_code_enum *code)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+
+	if (code->index != 0)
+		return -EINVAL;
+	code->code = sc2210->cur_mode->bus_fmt;
+
+	return 0;
+}
+
+static int sc2210_enum_frame_sizes(struct v4l2_subdev *sd,
+				    struct v4l2_subdev_pad_config *cfg,
+				    struct v4l2_subdev_frame_size_enum *fse)
+{
+	if (fse->index >= ARRAY_SIZE(supported_modes))
+		return -EINVAL;
+
+	if (fse->code != supported_modes[0].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 sc2210_enable_test_pattern(struct sc2210 *sc2210, u32 pattern)
+{
+	u32 val = 0;
+	int ret = 0;
+
+	ret = sc2210_read_reg(sc2210->client, sc2210_REG_TEST_PATTERN,
+			       sc2210_REG_VALUE_08BIT, &val);
+	if (pattern)
+		val |= sc2210_TEST_PATTERN_BIT_MASK;
+	else
+		val &= ~sc2210_TEST_PATTERN_BIT_MASK;
+
+	ret |= sc2210_write_reg(sc2210->client, sc2210_REG_TEST_PATTERN,
+				 sc2210_REG_VALUE_08BIT, val);
+	return ret;
+}
+
+static int sc2210_g_frame_interval(struct v4l2_subdev *sd,
+				    struct v4l2_subdev_frame_interval *fi)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	const struct sc2210_mode *mode = sc2210->cur_mode;
+
+	fi->interval = mode->max_fps;
+
+	return 0;
+}
+
+static int sc2210_g_mbus_config(struct v4l2_subdev *sd,
+				unsigned int pad_id,
+				struct v4l2_mbus_config *config)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	const struct sc2210_mode *mode = sc2210->cur_mode;
+
+	u32 val = (1 << (sc2210_LANES - 1)) |
+		V4L2_MBUS_CSI2_CHANNEL_0 |
+		V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK;  //  V4L2_MBUS_CSI2_CONTINUOUS_CLOCK
+
+//	if (mode->hdr_mode != NO_HDR)
+//		val |= V4L2_MBUS_CSI2_CHANNEL_1;
+//	if (mode->hdr_mode == HDR_X3)
+	//	val |= V4L2_MBUS_CSI2_CHANNEL_2;
+
+	config->type = V4L2_MBUS_CSI2_DPHY;
+	config->flags = val;
+
+	printk("sc2210_g_mbus_config val=0x%X hdr_mode=%d\n",val,mode->hdr_mode );
+
+	return 0;
+}
+
+static void sc2210_get_module_inf(struct sc2210 *sc2210,
+				   struct rkmodule_inf *inf)
+{
+	memset(inf, 0, sizeof(*inf));
+	strscpy(inf->base.sensor, sc2210_NAME, sizeof(inf->base.sensor));
+	strscpy(inf->base.module, sc2210->module_name,
+		sizeof(inf->base.module));
+	strscpy(inf->base.lens, sc2210->len_name, sizeof(inf->base.lens));
+}
+
+static long sc2210_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	struct rkmodule_hdr_cfg *hdr;
+	u32 i, h, w;
+	long ret = 0;
+	u32 stream = 0;
+
+	switch (cmd) {
+	case RKMODULE_GET_MODULE_INFO:
+		sc2210_get_module_inf(sc2210, (struct rkmodule_inf *)arg);
+		break;
+	case RKMODULE_GET_HDR_CFG:
+		hdr = (struct rkmodule_hdr_cfg *)arg;
+		hdr->esp.mode = HDR_NORMAL_VC;
+		hdr->hdr_mode = sc2210->cur_mode->hdr_mode;
+		break;
+	case RKMODULE_SET_HDR_CFG:
+		hdr = (struct rkmodule_hdr_cfg *)arg;
+		w = sc2210->cur_mode->width;
+		h = sc2210->cur_mode->height;
+		for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
+			if (w == supported_modes[i].width &&
+			    h == supported_modes[i].height &&
+			    supported_modes[i].hdr_mode == hdr->hdr_mode) {
+				sc2210->cur_mode = &supported_modes[i];
+				break;
+			}
+		}
+		if (i == ARRAY_SIZE(supported_modes)) {
+			dev_err(&sc2210->client->dev,
+				"not find hdr mode:%d %dx%d config\n",
+				hdr->hdr_mode, w, h);
+			ret = -EINVAL;
+		} else {
+			w = sc2210->cur_mode->hts_def - sc2210->cur_mode->width;
+			h = sc2210->cur_mode->vts_def - sc2210->cur_mode->height;
+			__v4l2_ctrl_modify_range(sc2210->hblank, w, w, 1, w);
+			__v4l2_ctrl_modify_range(sc2210->vblank, h,
+						 sc2210_VTS_MAX - sc2210->cur_mode->height, 1, h);
+		}
+		break;
+	case PREISP_CMD_SET_HDRAE_EXP:
+		break;
+	case RKMODULE_SET_QUICK_STREAM:
+
+		stream = *((u32 *)arg);
+
+		if (stream)
+			ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE,
+				 sc2210_REG_VALUE_08BIT, sc2210_MODE_STREAMING);
+		else
+			ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE,
+				 sc2210_REG_VALUE_08BIT, sc2210_MODE_SW_STANDBY);
+		break;
+	default:
+		ret = -ENOIOCTLCMD;
+		break;
+	}
+
+	return ret;
+}
+
+#ifdef CONFIG_COMPAT
+static long sc2210_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;
+	long ret;
+	u32 stream = 0;
+
+	switch (cmd) {
+	case RKMODULE_GET_MODULE_INFO:
+		inf = kzalloc(sizeof(*inf), GFP_KERNEL);
+		if (!inf) {
+			ret = -ENOMEM;
+			return ret;
+		}
+
+		ret = sc2210_ioctl(sd, cmd, inf);
+		if (!ret) {
+			if (copy_to_user(up, inf, sizeof(*inf)))
+				ret = -EFAULT;
+		}
+		kfree(inf);
+		break;
+	case RKMODULE_GET_HDR_CFG:
+		hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
+		if (!hdr) {
+			ret = -ENOMEM;
+			return ret;
+		}
+
+		ret = sc2210_ioctl(sd, cmd, hdr);
+		if (!ret) {
+			if (copy_to_user(up, hdr, sizeof(*hdr)))
+				ret = -EFAULT;
+		}
+		kfree(hdr);
+		break;
+	case RKMODULE_SET_HDR_CFG:
+		hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
+		if (!hdr) {
+			ret = -ENOMEM;
+			return ret;
+		}
+
+		ret = copy_from_user(hdr, up, sizeof(*hdr));
+		if (!ret)
+			ret = sc2210_ioctl(sd, cmd, hdr);
+		else
+			ret = -EFAULT;
+		kfree(hdr);
+		break;
+	case PREISP_CMD_SET_HDRAE_EXP:
+		hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL);
+		if (!hdrae) {
+			ret = -ENOMEM;
+			return ret;
+		}
+
+		ret = copy_from_user(hdrae, up, sizeof(*hdrae));
+		if (!ret)
+			ret = sc2210_ioctl(sd, cmd, hdrae);
+		else
+			ret = -EFAULT;
+		kfree(hdrae);
+		break;
+	case RKMODULE_SET_QUICK_STREAM:
+		ret = copy_from_user(&stream, up, sizeof(u32));
+		if (!ret)
+			ret = sc2210_ioctl(sd, cmd, &stream);
+		else
+			ret = -EFAULT;
+		break;
+	default:
+		ret = -ENOIOCTLCMD;
+		break;
+	}
+
+	return ret;
+}
+#endif
+
+static int __sc2210_start_stream(struct sc2210 *sc2210)
+{
+	int ret;
+
+	if (!sc2210->is_thunderboot) {
+		ret = sc2210_write_array(sc2210->client, sc2210->cur_mode->reg_list);
+		if (ret)
+			return ret;
+		/* In case these controls are set before streaming */
+		ret = __v4l2_ctrl_handler_setup(&sc2210->ctrl_handler);
+		if (ret)
+			return ret;
+		if (sc2210->has_init_exp && sc2210->cur_mode->hdr_mode != NO_HDR) {
+			ret = sc2210_ioctl(&sc2210->subdev, PREISP_CMD_SET_HDRAE_EXP,
+				&sc2210->init_hdrae_exp);
+			if (ret) {
+				dev_err(&sc2210->client->dev,
+					"init exp fail in hdr mode\n");
+				return ret;
+			}
+		}
+	}
+	ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE,
+				 sc2210_REG_VALUE_08BIT, sc2210_MODE_STREAMING);
+	return ret;
+}
+
+static int __sc2210_stop_stream(struct sc2210 *sc2210)
+{
+	sc2210->has_init_exp = false;
+	if (sc2210->is_thunderboot) {
+		sc2210->is_first_streamoff = true;
+		pm_runtime_put(&sc2210->client->dev);
+	}
+	return sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE,
+				 sc2210_REG_VALUE_08BIT, sc2210_MODE_SW_STANDBY);
+}
+
+static int __sc2210_power_on(struct sc2210 *sc2210);
+static int sc2210_s_stream(struct v4l2_subdev *sd, int on)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	struct i2c_client *client = sc2210->client;
+	int ret = 0;
+
+	mutex_lock(&sc2210->mutex);
+	on = !!on;
+	if (on == sc2210->streaming)
+		goto unlock_and_return;
+	if (on) {
+		if (sc2210->is_thunderboot && rkisp_tb_get_state() == RKISP_TB_NG) {
+			sc2210->is_thunderboot = false;
+			__sc2210_power_on(sc2210);
+		}
+		ret = pm_runtime_get_sync(&client->dev);
+		if (ret < 0) {
+			pm_runtime_put_noidle(&client->dev);
+			goto unlock_and_return;
+		}
+		ret = __sc2210_start_stream(sc2210);
+		if (ret) {
+			v4l2_err(sd, "start stream failed while write regs\n");
+			pm_runtime_put(&client->dev);
+			goto unlock_and_return;
+		}
+	} else {
+		__sc2210_stop_stream(sc2210);
+		pm_runtime_put(&client->dev);
+	}
+
+	sc2210->streaming = on;
+unlock_and_return:
+	mutex_unlock(&sc2210->mutex);
+	return ret;
+}
+
+static int sc2210_s_power(struct v4l2_subdev *sd, int on)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	struct i2c_client *client = sc2210->client;
+	int ret = 0;
+
+	mutex_lock(&sc2210->mutex);
+
+	/* If the power state is not modified - no work to do. */
+	if (sc2210->power_on == !!on)
+		goto unlock_and_return;
+
+	if (on) {
+		ret = pm_runtime_get_sync(&client->dev);
+		if (ret < 0) {
+			pm_runtime_put_noidle(&client->dev);
+			goto unlock_and_return;
+		}
+
+		if (!sc2210->is_thunderboot) {
+			printk("sc2210_write_array sc2210_linear_10_1920x1080_30fps_regs\n");
+			ret = sc2210_write_array(sc2210->client, sc2210_linear_10_1920x1080_30fps_regs);
+			if (ret) {
+				v4l2_err(sd, "could not set init registers\n");
+				pm_runtime_put_noidle(&client->dev);
+				goto unlock_and_return;
+			}
+		}
+
+		sc2210->power_on = true;
+	} else {
+		pm_runtime_put(&client->dev);
+		sc2210->power_on = false;
+	}
+
+unlock_and_return:
+	mutex_unlock(&sc2210->mutex);
+
+	return ret;
+}
+
+/* Calculate the delay in us by clock rate and clock cycles */
+static inline u32 sc2210_cal_delay(u32 cycles, struct sc2210 *sc2210)
+{
+	return DIV_ROUND_UP(cycles, sc2210->cur_mode->xvclk_freq / 1000 / 1000);
+}
+
+static int __sc2210_power_on(struct sc2210 *sc2210)
+{
+	int ret;
+	u32 delay_us;
+	struct device *dev = &sc2210->client->dev;
+
+	if (!IS_ERR_OR_NULL(sc2210->pins_default)) {
+		ret = pinctrl_select_state(sc2210->pinctrl,
+					   sc2210->pins_default);
+		if (ret < 0)
+			dev_err(dev, "could not set pins\n");
+	}
+	ret = clk_set_rate(sc2210->xvclk, sc2210->cur_mode->xvclk_freq);
+	if (ret < 0)
+		dev_warn(dev, "Failed to set xvclk rate (%dHz)\n", sc2210->cur_mode->xvclk_freq);
+	if (clk_get_rate(sc2210->xvclk) != sc2210->cur_mode->xvclk_freq)
+		dev_warn(dev, "xvclk mismatched, modes are based on %dHz\n",
+			 sc2210->cur_mode->xvclk_freq);
+	ret = clk_prepare_enable(sc2210->xvclk);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable xvclk\n");
+		return ret;
+	}
+
+	if (sc2210->is_thunderboot)
+		return 0;
+
+	if (!IS_ERR(sc2210->reset_gpio))
+		gpiod_set_value_cansleep(sc2210->reset_gpio, 0);
+
+	ret = regulator_bulk_enable(sc2210_NUM_SUPPLIES, sc2210->supplies);
+	if (ret < 0) {
+		dev_err(dev, "Failed to enable regulators\n");
+		goto disable_clk;
+	}
+
+	if (!IS_ERR(sc2210->reset_gpio))
+		gpiod_set_value_cansleep(sc2210->reset_gpio, 1);
+
+	usleep_range(500, 1000);
+
+	if (!IS_ERR(sc2210->reset_gpio))
+		usleep_range(6000, 8000);
+	else
+		usleep_range(12000, 16000);
+
+	/* 8192 cycles prior to first SCCB transaction */
+	delay_us = sc2210_cal_delay(8192, sc2210);
+	usleep_range(delay_us, delay_us * 2);
+
+	return 0;
+
+disable_clk:
+	clk_disable_unprepare(sc2210->xvclk);
+
+	return ret;
+}
+
+static void __sc2210_power_off(struct sc2210 *sc2210)
+{
+	int ret;
+	struct device *dev = &sc2210->client->dev;
+
+	clk_disable_unprepare(sc2210->xvclk);
+	if (sc2210->is_thunderboot) {
+		if (sc2210->is_first_streamoff) {
+			sc2210->is_thunderboot = false;
+			sc2210->is_first_streamoff = false;
+		} else {
+			return;
+		}
+	}
+
+	if (!IS_ERR(sc2210->reset_gpio))
+		gpiod_set_value_cansleep(sc2210->reset_gpio, 0);
+	if (!IS_ERR_OR_NULL(sc2210->pins_sleep)) {
+		ret = pinctrl_select_state(sc2210->pinctrl,
+					   sc2210->pins_sleep);
+		if (ret < 0)
+			dev_dbg(dev, "could not set pins\n");
+	}
+	regulator_bulk_disable(sc2210_NUM_SUPPLIES, sc2210->supplies);
+}
+
+static int sc2210_runtime_resume(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct sc2210 *sc2210 = to_sc2210(sd);
+
+	return __sc2210_power_on(sc2210);
+}
+
+static int sc2210_runtime_suspend(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct sc2210 *sc2210 = to_sc2210(sd);
+
+	__sc2210_power_off(sc2210);
+
+	return 0;
+}
+
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+static int sc2210_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+	struct sc2210 *sc2210 = to_sc2210(sd);
+	struct v4l2_mbus_framefmt *try_fmt =
+				v4l2_subdev_get_try_format(sd, fh->pad, 0);
+	const struct sc2210_mode *def_mode = &supported_modes[0];
+
+	mutex_lock(&sc2210->mutex);
+	/* Initialize try_fmt */
+	try_fmt->width = def_mode->width;
+	try_fmt->height = def_mode->height;
+	try_fmt->code = def_mode->bus_fmt;
+	try_fmt->field = V4L2_FIELD_NONE;
+
+	mutex_unlock(&sc2210->mutex);
+	/* No crop or compose */
+
+	return 0;
+}
+#endif
+
+static int sc2210_enum_frame_interval(struct v4l2_subdev *sd,
+				       struct v4l2_subdev_pad_config *cfg,
+				       struct v4l2_subdev_frame_interval_enum *fie)
+{
+	if (fie->index >= ARRAY_SIZE(supported_modes))
+		return -EINVAL;
+
+	fie->code = supported_modes[fie->index].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 const struct dev_pm_ops sc2210_pm_ops = {
+	SET_RUNTIME_PM_OPS(sc2210_runtime_suspend,
+			   sc2210_runtime_resume, NULL)
+};
+
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+static const struct v4l2_subdev_internal_ops sc2210_internal_ops = {
+	.open = sc2210_open,
+};
+#endif
+
+static const struct v4l2_subdev_core_ops sc2210_core_ops = {
+	.s_power = sc2210_s_power,
+	.ioctl = sc2210_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl32 = sc2210_compat_ioctl32,
+#endif
+};
+
+static const struct v4l2_subdev_video_ops sc2210_video_ops = {
+	.s_stream = sc2210_s_stream,
+	.g_frame_interval = sc2210_g_frame_interval,
+};
+
+static const struct v4l2_subdev_pad_ops sc2210_pad_ops = {
+	.enum_mbus_code = sc2210_enum_mbus_code,
+	.enum_frame_size = sc2210_enum_frame_sizes,
+	.enum_frame_interval = sc2210_enum_frame_interval,
+	.get_fmt = sc2210_get_fmt,
+	.set_fmt = sc2210_set_fmt,
+	.get_mbus_config = sc2210_g_mbus_config,
+};
+
+static const struct v4l2_subdev_ops sc2210_subdev_ops = {
+	.core	= &sc2210_core_ops,
+	.video	= &sc2210_video_ops,
+	.pad	= &sc2210_pad_ops,
+};
+
+/// @brief 
+/// @param ctrl 
+/// @return 
+static int sc2210_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+	struct sc2210 *sc2210 = container_of(ctrl->handler,
+					       struct sc2210, ctrl_handler);
+	struct i2c_client *client = sc2210->client;
+	s64 max;
+	int ret = 0;
+	u32 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 = sc2210->cur_mode->height + ctrl->val - 8;
+		 __v4l2_ctrl_modify_range(sc2210->exposure,
+		 			 sc2210->exposure->minimum, max,
+		 			 sc2210->exposure->step,
+		 			 sc2210->exposure->default_value);
+		break;
+	}
+
+	if (!pm_runtime_get_if_in_use(&client->dev))
+		return 0;
+
+	switch (ctrl->id) {
+	case V4L2_CID_EXPOSURE:
+		dev_dbg(&client->dev, "set exposure 0x%x\n", ctrl->val);
+		if (sc2210->cur_mode->hdr_mode == NO_HDR) {
+			val = ctrl->val;
+// 			// /* 4 least significant bits of expsoure are fractional part */
+ 			ret = sc2210_write_reg(sc2210->client,
+						sc2210_REG_EXPOSURE_H,
+						sc2210_REG_VALUE_08BIT,
+						sc2210_FETCH_EXP_H(val));
+			ret |= sc2210_write_reg(sc2210->client,
+						 sc2210_REG_EXPOSURE_M,
+						 sc2210_REG_VALUE_08BIT,
+						 sc2210_FETCH_EXP_M(val));
+			ret |= sc2210_write_reg(sc2210->client,
+						 sc2210_REG_EXPOSURE_L,
+						 sc2210_REG_VALUE_08BIT,
+						 sc2210_FETCH_EXP_L(val)); 
+		}
+		break;
+	case V4L2_CID_ANALOGUE_GAIN:
+		dev_dbg(&client->dev, "set gain 0x%x\n", ctrl->val);
+		 if (sc2210->cur_mode->hdr_mode == NO_HDR)
+		 	ret = sc2210_set_gain_reg(sc2210, ctrl->val);
+		break;
+	case V4L2_CID_VBLANK:
+		dev_dbg(&client->dev, "set vblank 0x%x\n", ctrl->val);
+		ret = sc2210_write_reg(sc2210->client,
+					sc2210_REG_VTS_H,
+					sc2210_REG_VALUE_08BIT,
+					(ctrl->val + sc2210->cur_mode->height)
+					>> 8);
+		ret |= sc2210_write_reg(sc2210->client,
+					 sc2210_REG_VTS_L,
+					 sc2210_REG_VALUE_08BIT,
+					 (ctrl->val + sc2210->cur_mode->height)
+					 & 0xff);
+		sc2210->cur_vts = ctrl->val + sc2210->cur_mode->height;
+		break;
+	case V4L2_CID_TEST_PATTERN:
+		 ret = sc2210_enable_test_pattern(sc2210, ctrl->val);
+		break;
+	case V4L2_CID_HFLIP:
+		ret = sc2210_read_reg(sc2210->client, sc2210_FLIP_MIRROR_REG,
+				       sc2210_REG_VALUE_08BIT, &val);
+		ret |= sc2210_write_reg(sc2210->client, sc2210_FLIP_MIRROR_REG,
+					 sc2210_REG_VALUE_08BIT,
+					 sc2210_FETCH_MIRROR(val, ctrl->val));
+		break;
+	case V4L2_CID_VFLIP:
+		ret = sc2210_read_reg(sc2210->client, sc2210_FLIP_MIRROR_REG,
+				       sc2210_REG_VALUE_08BIT, &val);
+		ret |= sc2210_write_reg(sc2210->client, sc2210_FLIP_MIRROR_REG,
+					 sc2210_REG_VALUE_08BIT,
+					 sc2210_FETCH_FLIP(val, ctrl->val));
+		break;
+	default:
+		dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
+			 __func__, ctrl->id, ctrl->val);
+		break;
+	}
+
+	pm_runtime_put(&client->dev);
+
+	return ret;
+}
+
+static const struct v4l2_ctrl_ops sc2210_ctrl_ops = {
+	.s_ctrl = sc2210_set_ctrl,
+};
+
+static int sc2210_initialize_controls(struct sc2210 *sc2210)
+{
+	const struct sc2210_mode *mode;
+	struct v4l2_ctrl_handler *handler;
+	struct device *dev = &sc2210->client->dev;
+	s64 exposure_max, vblank_def;
+	u32 h_blank;
+	int ret;
+	u64 dst_link_freq = 0;
+	u64 dst_pixel_rate = 0;
+
+	handler = &sc2210->ctrl_handler;
+	mode = sc2210->cur_mode;
+	ret = v4l2_ctrl_handler_init(handler, 9);
+	if (ret)
+		return ret;
+	handler->lock = &sc2210->mutex;
+
+	sc2210->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);
+	if (sc2210->link_freq)
+		sc2210->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+	dst_link_freq = mode->link_freq_idx;
+	dst_pixel_rate = (u32)link_freq_menu_items[mode->link_freq_idx] /
+					 sc2210_BITS_PER_SAMPLE * 2 * sc2210_LANES;
+	sc2210->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
+			  0, PIXEL_RATE_WITH_405M_10BIT, 1, dst_pixel_rate);
+
+	__v4l2_ctrl_s_ctrl(sc2210->link_freq, dst_link_freq);
+
+	h_blank = mode->hts_def - mode->width;
+	sc2210->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
+					    h_blank, h_blank, 1, h_blank);
+	if (sc2210->hblank)
+		sc2210->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+	vblank_def = mode->vts_def - mode->height;
+	sc2210->vblank = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops,
+					    V4L2_CID_VBLANK, vblank_def,
+					    sc2210_VTS_MAX - mode->height,
+					    1, vblank_def);
+	exposure_max = mode->vts_def - 8;
+	sc2210->exposure = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops,
+					      V4L2_CID_EXPOSURE, sc2210_EXPOSURE_MIN,
+					      exposure_max, sc2210_EXPOSURE_STEP,
+					      mode->exp_def);
+	sc2210->anal_gain = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops,
+					       V4L2_CID_ANALOGUE_GAIN, sc2210_GAIN_MIN,
+					       sc2210_GAIN_MAX, sc2210_GAIN_STEP,
+					       sc2210_GAIN_DEFAULT);
+	sc2210->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
+							    &sc2210_ctrl_ops,
+					V4L2_CID_TEST_PATTERN,
+					ARRAY_SIZE(sc2210_test_pattern_menu) - 1,
+					0, 0, sc2210_test_pattern_menu);
+	v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops,
+				V4L2_CID_HFLIP, 0, 1, 1, 0);
+	v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops,
+				V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+	
+
+
+	if (handler->error) {
+		ret = handler->error;
+		dev_err(&sc2210->client->dev,
+			"Failed to init controls(%d)\n", ret);
+		goto err_free_handler;
+	}
+
+	sc2210->subdev.ctrl_handler = handler;
+	sc2210->has_init_exp = false;
+
+	dev_info(dev,"sc2210_initialize_controls \n");
+
+	return 0;
+
+err_free_handler:
+	v4l2_ctrl_handler_free(handler);
+
+	return ret;
+}
+
+static int sc2210_check_sensor_id(struct sc2210 *sc2210,
+				   struct i2c_client *client)
+{
+	struct device *dev = &sc2210->client->dev;
+	u32 id = 0;
+	int ret;
+
+	if (sc2210->is_thunderboot) {
+		dev_info(dev, "Enable thunderboot mode, skip sensor id check\n");
+		return 0;
+	}
+
+	ret = sc2210_read_reg(client, sc2210_REG_CHIP_ID,
+			       sc2210_REG_VALUE_16BIT, &id);
+	if (id != CHIP_ID) {
+		dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret);
+		return -ENODEV;
+	}
+
+	dev_info(dev, "Detected SC%06x sensor\n", CHIP_ID);
+
+	return 0;
+}
+
+static int sc2210_configure_regulators(struct sc2210 *sc2210)
+{
+	unsigned int i;
+
+	for (i = 0; i < sc2210_NUM_SUPPLIES; i++)
+		sc2210->supplies[i].supply = sc2210_supply_names[i];
+
+	return devm_regulator_bulk_get(&sc2210->client->dev,
+				       sc2210_NUM_SUPPLIES,
+				       sc2210->supplies);
+}
+
+static int sc2210_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct device_node *node = dev->of_node;
+	struct sc2210 *sc2210;
+	struct v4l2_subdev *sd;
+	char facing[2];
+	int ret;
+	int i, hdr_mode = 0;
+
+	dev_info(dev, "driver version: %02x.%02x.%02x",
+		 DRIVER_VERSION >> 16,
+		 (DRIVER_VERSION & 0xff00) >> 8,
+		 DRIVER_VERSION & 0x00ff);
+
+	sc2210 = devm_kzalloc(dev, sizeof(*sc2210), GFP_KERNEL);
+	if (!sc2210)
+		return -ENOMEM;
+
+	ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
+				   &sc2210->module_index);
+	ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
+				       &sc2210->module_facing);
+	ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
+				       &sc2210->module_name);
+	ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
+				       &sc2210->len_name);
+	if (ret) {
+		dev_err(dev, "could not get module information!\n");
+		return -EINVAL;
+	}
+
+	sc2210->is_thunderboot = IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP);
+
+	sc2210->client = client;
+	for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
+		if (hdr_mode == supported_modes[i].hdr_mode) {
+			sc2210->cur_mode = &supported_modes[i];
+			break;
+		}
+	}
+	if (i == ARRAY_SIZE(supported_modes))
+		sc2210->cur_mode = &supported_modes[0];
+
+	sc2210->xvclk = devm_clk_get(dev, "xvclk");
+	if (IS_ERR(sc2210->xvclk)) {
+		dev_err(dev, "Failed to get xvclk\n");
+		return -EINVAL;
+	}
+
+	if (sc2210->is_thunderboot) {
+		sc2210->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
+		if (IS_ERR(sc2210->reset_gpio))
+			dev_warn(dev, "Failed to get reset-gpios\n");
+	} else {
+		sc2210->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+		if (IS_ERR(sc2210->reset_gpio))
+			dev_warn(dev, "Failed to get reset-gpios\n");
+	}
+
+	sc2210->pinctrl = devm_pinctrl_get(dev);
+	if (!IS_ERR(sc2210->pinctrl)) {
+		sc2210->pins_default =
+			pinctrl_lookup_state(sc2210->pinctrl,
+					     OF_CAMERA_PINCTRL_STATE_DEFAULT);
+		if (IS_ERR(sc2210->pins_default))
+			dev_err(dev, "could not get default pinstate\n");
+
+		sc2210->pins_sleep =
+			pinctrl_lookup_state(sc2210->pinctrl,
+					     OF_CAMERA_PINCTRL_STATE_SLEEP);
+		if (IS_ERR(sc2210->pins_sleep))
+			dev_err(dev, "could not get sleep pinstate\n");
+	} else {
+		dev_err(dev, "no pinctrl\n");
+	}
+
+	ret = sc2210_configure_regulators(sc2210);
+	if (ret) {
+		dev_err(dev, "Failed to get power regulators\n");
+		return ret;
+	}
+
+	mutex_init(&sc2210->mutex);
+
+	sd = &sc2210->subdev;
+	v4l2_i2c_subdev_init(sd, client, &sc2210_subdev_ops);
+	ret = sc2210_initialize_controls(sc2210);
+	if (ret)
+		goto err_destroy_mutex;
+
+	ret = __sc2210_power_on(sc2210);
+	if (ret)
+		goto err_free_handler;
+
+	ret = sc2210_check_sensor_id(sc2210, client);
+	if (ret)
+		goto err_power_off;
+
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+	sd->internal_ops = &sc2210_internal_ops;
+	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+		     V4L2_SUBDEV_FL_HAS_EVENTS;
+#endif
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	sc2210->pad.flags = MEDIA_PAD_FL_SOURCE;
+	sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
+	ret = media_entity_pads_init(&sd->entity, 1, &sc2210->pad);
+	if (ret < 0)
+		goto err_power_off;
+#endif
+
+	memset(facing, 0, sizeof(facing));
+	if (strcmp(sc2210->module_facing, "back") == 0)
+		facing[0] = 'b';
+	else
+		facing[0] = 'f';
+
+	snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
+		 sc2210->module_index, facing,
+		 sc2210_NAME, dev_name(sd->dev));
+	ret = v4l2_async_register_subdev_sensor_common(sd);
+	if (ret) {
+		dev_err(dev, "v4l2 async register subdev failed\n");
+		goto err_clean_entity;
+	}
+
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+	if (sc2210->is_thunderboot)
+		pm_runtime_get_sync(dev);
+	else
+		pm_runtime_idle(dev);
+
+	return 0;
+
+err_clean_entity:
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	media_entity_cleanup(&sd->entity);
+#endif
+err_power_off:
+	__sc2210_power_off(sc2210);
+err_free_handler:
+	v4l2_ctrl_handler_free(&sc2210->ctrl_handler);
+err_destroy_mutex:
+	mutex_destroy(&sc2210->mutex);
+
+	return ret;
+}
+
+static int sc2210_remove(struct i2c_client *client)
+{
+	struct v4l2_subdev *sd = i2c_get_clientdata(client);
+	struct sc2210 *sc2210 = to_sc2210(sd);
+
+	v4l2_async_unregister_subdev(sd);
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	media_entity_cleanup(&sd->entity);
+#endif
+	v4l2_ctrl_handler_free(&sc2210->ctrl_handler);
+	mutex_destroy(&sc2210->mutex);
+
+	pm_runtime_disable(&client->dev);
+	if (!pm_runtime_status_suspended(&client->dev))
+		__sc2210_power_off(sc2210);
+	pm_runtime_set_suspended(&client->dev);
+
+	return 0;
+}
+
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id sc2210_of_match[] = {
+	{ .compatible = "smartsens,sc2210" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, sc2210_of_match);
+#endif
+
+static const struct i2c_device_id sc2210_match_id[] = {
+	{ "smartsens,sc2210", 0 },
+	{ },
+};
+
+static struct i2c_driver sc2210_i2c_driver = {
+	.driver = {
+		.name = sc2210_NAME,
+		.pm = &sc2210_pm_ops,
+		.of_match_table = of_match_ptr(sc2210_of_match),
+	},
+	.probe		= &sc2210_probe,
+	.remove		= &sc2210_remove,
+	.id_table	= sc2210_match_id,
+};
+
+static int __init sensor_mod_init(void)
+{
+	return i2c_add_driver(&sc2210_i2c_driver);
+}
+
+static void __exit sensor_mod_exit(void)
+{
+	i2c_del_driver(&sc2210_i2c_driver);
+}
+
+#if defined(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP) && !defined(CONFIG_INITCALL_ASYNC)
+subsys_initcall(sensor_mod_init);
+#else
+device_initcall_sync(sensor_mod_init);
+#endif
+module_exit(sensor_mod_exit);
+
+MODULE_DESCRIPTION("smartsens sc2210 sensor driver");
+MODULE_LICENSE("GPL");