[media] add Omnivision OV5640 sensor driver
authorSteve Longerbeam <slongerbeam@gmail.com>
Wed, 7 Jun 2017 18:33:56 +0000 (15:33 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 20 Jun 2017 10:23:55 +0000 (07:23 -0300)
This driver is based on ov5640_mipi.c from Freescale imx_3.10.17_1.0.0_beta
branch, modified heavily to bring forward to latest interfaces and code
cleanup.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/i2c/Kconfig
drivers/media/i2c/Makefile
drivers/media/i2c/ov5640.c [new file with mode: 0644]

index c0e6e78883b0f9f2db4974e400a64f0cde300f85..9e2ffd3ba7fa8a622cfcf758dd3bd67e0d55f346 100644 (file)
@@ -548,6 +548,16 @@ config VIDEO_OV2659
          To compile this driver as a module, choose M here: the
          module will be called ov2659.
 
+config VIDEO_OV5640
+       tristate "OmniVision OV5640 sensor support"
+       depends on OF
+       depends on GPIOLIB && VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
+       depends on MEDIA_CAMERA_SUPPORT
+       select V4L2_FWNODE
+       ---help---
+         This is a Video4Linux2 sensor-level driver for the Omnivision
+         OV5640 camera sensor with a MIPI CSI-2 interface.
+
 config VIDEO_OV5645
        tristate "OmniVision OV5645 sensor support"
        depends on OF
index 5a4a761f7383311ba97f3c3bef9476dd3263cae4..9e81bcacf39499b9b9dc0d8752402f08c512b1a7 100644 (file)
@@ -58,6 +58,7 @@ obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o
 obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o
 obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
 obj-$(CONFIG_VIDEO_OV2640) += ov2640.o
+obj-$(CONFIG_VIDEO_OV5640) += ov5640.o
 obj-$(CONFIG_VIDEO_OV5645) += ov5645.o
 obj-$(CONFIG_VIDEO_OV5647) += ov5647.o
 obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
new file mode 100644 (file)
index 0000000..1f5b483
--- /dev/null
@@ -0,0 +1,2344 @@
+/*
+ * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2014-2017 Mentor Graphics Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/ctype.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <media/v4l2-async.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-subdev.h>
+
+/* min/typical/max system clock (xclk) frequencies */
+#define OV5640_XCLK_MIN  6000000
+#define OV5640_XCLK_MAX 24000000
+
+#define OV5640_DEFAULT_SLAVE_ID 0x3c
+
+#define OV5640_REG_CHIP_ID             0x300a
+#define OV5640_REG_PAD_OUTPUT00                0x3019
+#define OV5640_REG_SC_PLL_CTRL0                0x3034
+#define OV5640_REG_SC_PLL_CTRL1                0x3035
+#define OV5640_REG_SC_PLL_CTRL2                0x3036
+#define OV5640_REG_SC_PLL_CTRL3                0x3037
+#define OV5640_REG_SLAVE_ID            0x3100
+#define OV5640_REG_SYS_ROOT_DIVIDER    0x3108
+#define OV5640_REG_AWB_R_GAIN          0x3400
+#define OV5640_REG_AWB_G_GAIN          0x3402
+#define OV5640_REG_AWB_B_GAIN          0x3404
+#define OV5640_REG_AWB_MANUAL_CTRL     0x3406
+#define OV5640_REG_AEC_PK_EXPOSURE_HI  0x3500
+#define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501
+#define OV5640_REG_AEC_PK_EXPOSURE_LO  0x3502
+#define OV5640_REG_AEC_PK_MANUAL       0x3503
+#define OV5640_REG_AEC_PK_REAL_GAIN    0x350a
+#define OV5640_REG_AEC_PK_VTS          0x350c
+#define OV5640_REG_TIMING_HTS          0x380c
+#define OV5640_REG_TIMING_VTS          0x380e
+#define OV5640_REG_TIMING_TC_REG21     0x3821
+#define OV5640_REG_AEC_CTRL00          0x3a00
+#define OV5640_REG_AEC_B50_STEP                0x3a08
+#define OV5640_REG_AEC_B60_STEP                0x3a0a
+#define OV5640_REG_AEC_CTRL0D          0x3a0d
+#define OV5640_REG_AEC_CTRL0E          0x3a0e
+#define OV5640_REG_AEC_CTRL0F          0x3a0f
+#define OV5640_REG_AEC_CTRL10          0x3a10
+#define OV5640_REG_AEC_CTRL11          0x3a11
+#define OV5640_REG_AEC_CTRL1B          0x3a1b
+#define OV5640_REG_AEC_CTRL1E          0x3a1e
+#define OV5640_REG_AEC_CTRL1F          0x3a1f
+#define OV5640_REG_HZ5060_CTRL00       0x3c00
+#define OV5640_REG_HZ5060_CTRL01       0x3c01
+#define OV5640_REG_SIGMADELTA_CTRL0C   0x3c0c
+#define OV5640_REG_FRAME_CTRL01                0x4202
+#define OV5640_REG_MIPI_CTRL00         0x4800
+#define OV5640_REG_DEBUG_MODE          0x4814
+#define OV5640_REG_PRE_ISP_TEST_SET1   0x503d
+#define OV5640_REG_SDE_CTRL0           0x5580
+#define OV5640_REG_SDE_CTRL1           0x5581
+#define OV5640_REG_SDE_CTRL3           0x5583
+#define OV5640_REG_SDE_CTRL4           0x5584
+#define OV5640_REG_SDE_CTRL5           0x5585
+#define OV5640_REG_AVG_READOUT         0x56a1
+
+enum ov5640_mode_id {
+       OV5640_MODE_QCIF_176_144 = 0,
+       OV5640_MODE_QVGA_320_240,
+       OV5640_MODE_VGA_640_480,
+       OV5640_MODE_NTSC_720_480,
+       OV5640_MODE_PAL_720_576,
+       OV5640_MODE_XGA_1024_768,
+       OV5640_MODE_720P_1280_720,
+       OV5640_MODE_1080P_1920_1080,
+       OV5640_MODE_QSXGA_2592_1944,
+       OV5640_NUM_MODES,
+};
+
+enum ov5640_frame_rate {
+       OV5640_15_FPS = 0,
+       OV5640_30_FPS,
+       OV5640_NUM_FRAMERATES,
+};
+
+/*
+ * FIXME: remove this when a subdev API becomes available
+ * to set the MIPI CSI-2 virtual channel.
+ */
+static unsigned int virtual_channel;
+module_param(virtual_channel, int, 0);
+MODULE_PARM_DESC(virtual_channel,
+                "MIPI CSI-2 virtual channel (0..3), default 0");
+
+static const int ov5640_framerates[] = {
+       [OV5640_15_FPS] = 15,
+       [OV5640_30_FPS] = 30,
+};
+
+/* regulator supplies */
+static const char * const ov5640_supply_name[] = {
+       "DOVDD", /* Digital I/O (1.8V) suppply */
+       "DVDD",  /* Digital Core (1.5V) supply */
+       "AVDD",  /* Analog (2.8V) supply */
+};
+
+#define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name)
+
+/*
+ * Image size under 1280 * 960 are SUBSAMPLING
+ * Image size upper 1280 * 960 are SCALING
+ */
+enum ov5640_downsize_mode {
+       SUBSAMPLING,
+       SCALING,
+};
+
+struct reg_value {
+       u16 reg_addr;
+       u8 val;
+       u8 mask;
+       u32 delay_ms;
+};
+
+struct ov5640_mode_info {
+       enum ov5640_mode_id id;
+       enum ov5640_downsize_mode dn_mode;
+       u32 width;
+       u32 height;
+       const struct reg_value *reg_data;
+       u32 reg_data_size;
+};
+
+struct ov5640_ctrls {
+       struct v4l2_ctrl_handler handler;
+       struct {
+               struct v4l2_ctrl *auto_exp;
+               struct v4l2_ctrl *exposure;
+       };
+       struct {
+               struct v4l2_ctrl *auto_wb;
+               struct v4l2_ctrl *blue_balance;
+               struct v4l2_ctrl *red_balance;
+       };
+       struct {
+               struct v4l2_ctrl *auto_gain;
+               struct v4l2_ctrl *gain;
+       };
+       struct v4l2_ctrl *brightness;
+       struct v4l2_ctrl *saturation;
+       struct v4l2_ctrl *contrast;
+       struct v4l2_ctrl *hue;
+       struct v4l2_ctrl *test_pattern;
+};
+
+struct ov5640_dev {
+       struct i2c_client *i2c_client;
+       struct v4l2_subdev sd;
+       struct media_pad pad;
+       struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */
+       struct clk *xclk; /* system clock to OV5640 */
+       u32 xclk_freq;
+
+       struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES];
+       struct gpio_desc *reset_gpio;
+       struct gpio_desc *pwdn_gpio;
+
+       /* lock to protect all members below */
+       struct mutex lock;
+
+       int power_count;
+
+       struct v4l2_mbus_framefmt fmt;
+
+       const struct ov5640_mode_info *current_mode;
+       enum ov5640_frame_rate current_fr;
+       struct v4l2_fract frame_interval;
+
+       struct ov5640_ctrls ctrls;
+
+       u32 prev_sysclk, prev_hts;
+       u32 ae_low, ae_high, ae_target;
+
+       bool pending_mode_change;
+       bool streaming;
+};
+
+static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd)
+{
+       return container_of(sd, struct ov5640_dev, sd);
+}
+
+static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
+{
+       return &container_of(ctrl->handler, struct ov5640_dev,
+                            ctrls.handler)->sd;
+}
+
+/*
+ * FIXME: all of these register tables are likely filled with
+ * entries that set the register to their power-on default values,
+ * and which are otherwise not touched by this driver. Those entries
+ * should be identified and removed to speed register load time
+ * over i2c.
+ */
+
+static const struct reg_value ov5640_init_setting_30fps_VGA[] = {
+
+       {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0},
+       {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0},
+       {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0},
+       {0x3037, 0x13, 0, 0}, {0x3108, 0x01, 0, 0}, {0x3630, 0x36, 0, 0},
+       {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0},
+       {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0},
+       {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0},
+       {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0},
+       {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0},
+       {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0},
+       {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0},
+       {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0},
+       {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0},
+       {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0},
+       {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0},
+       {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0},
+       {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0},
+       {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0},
+       {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0},
+       {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0},
+       {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0},
+       {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0},
+       {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0},
+       {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0},
+       {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0},
+       {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0},
+       {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0},
+       {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0},
+       {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0},
+       {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0},
+       {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0},
+       {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0},
+       {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0},
+       {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0},
+       {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0},
+       {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0},
+       {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0},
+       {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0},
+       {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0},
+       {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0},
+       {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0},
+       {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0},
+       {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0},
+       {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0},
+       {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0},
+       {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0},
+       {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0},
+       {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0},
+       {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0},
+       {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0},
+       {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0},
+       {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0},
+       {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0},
+       {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0},
+       {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0},
+       {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0},
+       {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0},
+       {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0},
+       {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0},
+       {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0},
+       {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0},
+       {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0},
+       {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0},
+       {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0},
+       {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0},
+       {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0},
+       {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0},
+       {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0},
+       {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300},
+};
+
+static const struct reg_value ov5640_setting_30fps_VGA_640_480[] = {
+
+       {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_VGA_640_480[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_XGA_1024_768[] = {
+
+       {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0},
+       {0x3808, 0x04, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0},
+       {0x380b, 0x00, 0, 0}, {0x3035, 0x12, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_XGA_1024_768[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3808, 0x04, 0, 0},
+       {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, {0x380b, 0x00, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_QVGA_320_240[] = {
+       {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
+       {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_QVGA_320_240[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
+       {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_QCIF_176_144[] = {
+       {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
+       {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+static const struct reg_value ov5640_setting_15fps_QCIF_176_144[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0},
+       {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_NTSC_720_480[] = {
+       {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_NTSC_720_480[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0},
+       {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_PAL_720_576[] = {
+       {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
+       {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_PAL_720_576[] = {
+       {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0},
+       {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0},
+       {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0},
+       {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_720P_1280_720[] = {
+       {0x3008, 0x42, 0, 0},
+       {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
+       {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
+       {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
+       {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
+       {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
+       {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
+       {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
+       {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0},
+       {0x3008, 0x02, 0, 0}, {0x3503, 0,    0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_720P_1280_720[] = {
+       {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0},
+       {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0},
+       {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0},
+       {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0},
+       {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
+       {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0},
+       {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0},
+       {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0},
+       {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0},
+       {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = {
+       {0x3008, 0x42, 0, 0},
+       {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
+       {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
+       {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
+       {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
+       {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
+       {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
+       {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0},
+       {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
+       {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
+       {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
+       {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
+       {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
+       {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
+       {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
+       {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
+       {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
+       {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
+       {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0},
+       {0x3503, 0, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = {
+       {0x3008, 0x42, 0, 0},
+       {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
+       {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
+       {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
+       {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
+       {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
+       {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
+       {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0},
+       {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0},
+       {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0},
+       {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0},
+       {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0},
+       {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0},
+       {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0},
+       {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0},
+       {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0},
+       {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0},
+       {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0},
+       {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0},
+       {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0},
+};
+
+static const struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = {
+       {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0},
+       {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0},
+       {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0},
+       {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0},
+       {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0},
+       {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0},
+       {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0},
+       {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0},
+       {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0},
+       {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0},
+       {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0},
+       {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0},
+       {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0},
+       {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0},
+       {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0},
+       {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0},
+       {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0},
+       {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0},
+       {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70},
+};
+
+/* power-on sensor init reg table */
+static const struct ov5640_mode_info ov5640_mode_init_data = {
+       0, SUBSAMPLING, 640, 480, ov5640_init_setting_30fps_VGA,
+       ARRAY_SIZE(ov5640_init_setting_30fps_VGA),
+};
+
+static const struct ov5640_mode_info
+ov5640_mode_data[OV5640_NUM_FRAMERATES][OV5640_NUM_MODES] = {
+       {
+               {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
+                ov5640_setting_15fps_QCIF_176_144,
+                ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)},
+               {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320,  240,
+                ov5640_setting_15fps_QVGA_320_240,
+                ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)},
+               {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640,  480,
+                ov5640_setting_15fps_VGA_640_480,
+                ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)},
+               {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
+                ov5640_setting_15fps_NTSC_720_480,
+                ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)},
+               {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
+                ov5640_setting_15fps_PAL_720_576,
+                ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)},
+               {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
+                ov5640_setting_15fps_XGA_1024_768,
+                ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)},
+               {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
+                ov5640_setting_15fps_720P_1280_720,
+                ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)},
+               {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
+                ov5640_setting_15fps_1080P_1920_1080,
+                ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)},
+               {OV5640_MODE_QSXGA_2592_1944, SCALING, 2592, 1944,
+                ov5640_setting_15fps_QSXGA_2592_1944,
+                ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)},
+       }, {
+               {OV5640_MODE_QCIF_176_144, SUBSAMPLING, 176, 144,
+                ov5640_setting_30fps_QCIF_176_144,
+                ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)},
+               {OV5640_MODE_QVGA_320_240, SUBSAMPLING, 320,  240,
+                ov5640_setting_30fps_QVGA_320_240,
+                ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)},
+               {OV5640_MODE_VGA_640_480, SUBSAMPLING, 640,  480,
+                ov5640_setting_30fps_VGA_640_480,
+                ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)},
+               {OV5640_MODE_NTSC_720_480, SUBSAMPLING, 720, 480,
+                ov5640_setting_30fps_NTSC_720_480,
+                ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)},
+               {OV5640_MODE_PAL_720_576, SUBSAMPLING, 720, 576,
+                ov5640_setting_30fps_PAL_720_576,
+                ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)},
+               {OV5640_MODE_XGA_1024_768, SUBSAMPLING, 1024, 768,
+                ov5640_setting_30fps_XGA_1024_768,
+                ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)},
+               {OV5640_MODE_720P_1280_720, SUBSAMPLING, 1280, 720,
+                ov5640_setting_30fps_720P_1280_720,
+                ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)},
+               {OV5640_MODE_1080P_1920_1080, SCALING, 1920, 1080,
+                ov5640_setting_30fps_1080P_1920_1080,
+                ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)},
+               {OV5640_MODE_QSXGA_2592_1944, -1, 0, 0, NULL, 0},
+       },
+};
+
+static int ov5640_init_slave_id(struct ov5640_dev *sensor)
+{
+       struct i2c_client *client = sensor->i2c_client;
+       struct i2c_msg msg;
+       u8 buf[3];
+       int ret;
+
+       if (client->addr == OV5640_DEFAULT_SLAVE_ID)
+               return 0;
+
+       buf[0] = OV5640_REG_SLAVE_ID >> 8;
+       buf[1] = OV5640_REG_SLAVE_ID & 0xff;
+       buf[2] = client->addr << 1;
+
+       msg.addr = OV5640_DEFAULT_SLAVE_ID;
+       msg.flags = 0;
+       msg.buf = buf;
+       msg.len = sizeof(buf);
+
+       ret = i2c_transfer(client->adapter, &msg, 1);
+       if (ret < 0) {
+               dev_err(&client->dev, "%s: failed with %d\n", __func__, ret);
+               return ret;
+       }
+
+       return 0;
+}
+
+static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val)
+{
+       struct i2c_client *client = sensor->i2c_client;
+       struct i2c_msg msg;
+       u8 buf[3];
+       int ret;
+
+       buf[0] = reg >> 8;
+       buf[1] = reg & 0xff;
+       buf[2] = val;
+
+       msg.addr = client->addr;
+       msg.flags = client->flags;
+       msg.buf = buf;
+       msg.len = sizeof(buf);
+
+       ret = i2c_transfer(client->adapter, &msg, 1);
+       if (ret < 0) {
+               v4l2_err(&sensor->sd, "%s: error: reg=%x, val=%x\n",
+                       __func__, reg, val);
+               return ret;
+       }
+
+       return 0;
+}
+
+static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val)
+{
+       struct i2c_client *client = sensor->i2c_client;
+       struct i2c_msg msg[2];
+       u8 buf[2];
+       int ret;
+
+       buf[0] = reg >> 8;
+       buf[1] = reg & 0xff;
+
+       msg[0].addr = client->addr;
+       msg[0].flags = client->flags;
+       msg[0].buf = buf;
+       msg[0].len = sizeof(buf);
+
+       msg[1].addr = client->addr;
+       msg[1].flags = client->flags | I2C_M_RD;
+       msg[1].buf = buf;
+       msg[1].len = 1;
+
+       ret = i2c_transfer(client->adapter, msg, 2);
+       if (ret < 0)
+               return ret;
+
+       *val = buf[0];
+       return 0;
+}
+
+static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val)
+{
+       u8 hi, lo;
+       int ret;
+
+       ret = ov5640_read_reg(sensor, reg, &hi);
+       if (ret)
+               return ret;
+       ret = ov5640_read_reg(sensor, reg+1, &lo);
+       if (ret)
+               return ret;
+
+       *val = ((u16)hi << 8) | (u16)lo;
+       return 0;
+}
+
+static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val)
+{
+       int ret;
+
+       ret = ov5640_write_reg(sensor, reg, val >> 8);
+       if (ret)
+               return ret;
+
+       return ov5640_write_reg(sensor, reg + 1, val & 0xff);
+}
+
+static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg,
+                         u8 mask, u8 val)
+{
+       u8 readval;
+       int ret;
+
+       ret = ov5640_read_reg(sensor, reg, &readval);
+       if (ret)
+               return ret;
+
+       readval &= ~mask;
+       val &= mask;
+       val |= readval;
+
+       return ov5640_write_reg(sensor, reg, val);
+}
+
+/* download ov5640 settings to sensor through i2c */
+static int ov5640_load_regs(struct ov5640_dev *sensor,
+                           const struct ov5640_mode_info *mode)
+{
+       const struct reg_value *regs = mode->reg_data;
+       unsigned int i;
+       u32 delay_ms;
+       u16 reg_addr;
+       u8 mask, val;
+       int ret = 0;
+
+       for (i = 0; i < mode->reg_data_size; ++i, ++regs) {
+               delay_ms = regs->delay_ms;
+               reg_addr = regs->reg_addr;
+               val = regs->val;
+               mask = regs->mask;
+
+               if (mask)
+                       ret = ov5640_mod_reg(sensor, reg_addr, mask, val);
+               else
+                       ret = ov5640_write_reg(sensor, reg_addr, val);
+               if (ret)
+                       break;
+
+               if (delay_ms)
+                       usleep_range(1000*delay_ms, 1000*delay_ms+100);
+       }
+
+       return ret;
+}
+
+/* read exposure, in number of line periods */
+static int ov5640_get_exposure(struct ov5640_dev *sensor)
+{
+       int exp, ret;
+       u8 temp;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp);
+       if (ret)
+               return ret;
+       exp = ((int)temp & 0x0f) << 16;
+       ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp);
+       if (ret)
+               return ret;
+       exp |= ((int)temp << 8);
+       ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp);
+       if (ret)
+               return ret;
+       exp |= (int)temp;
+
+       return exp >> 4;
+}
+
+/* write exposure, given number of line periods */
+static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure)
+{
+       int ret;
+
+       exposure <<= 4;
+
+       ret = ov5640_write_reg(sensor,
+                              OV5640_REG_AEC_PK_EXPOSURE_LO,
+                              exposure & 0xff);
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor,
+                              OV5640_REG_AEC_PK_EXPOSURE_MED,
+                              (exposure >> 8) & 0xff);
+       if (ret)
+               return ret;
+       return ov5640_write_reg(sensor,
+                               OV5640_REG_AEC_PK_EXPOSURE_HI,
+                               (exposure >> 16) & 0x0f);
+}
+
+static int ov5640_get_gain(struct ov5640_dev *sensor)
+{
+       u16 gain;
+       int ret;
+
+       ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain);
+       if (ret)
+               return ret;
+
+       return gain & 0x3ff;
+}
+
+static int ov5640_set_stream(struct ov5640_dev *sensor, bool on)
+{
+       int ret;
+
+       ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5),
+                            on ? 0 : BIT(5));
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00,
+                              on ? 0x00 : 0x70);
+       if (ret)
+               return ret;
+
+       return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01,
+                               on ? 0x00 : 0x0f);
+}
+
+static int ov5640_get_sysclk(struct ov5640_dev *sensor)
+{
+        /* calculate sysclk */
+       u32 xvclk = sensor->xclk_freq / 10000;
+       u32 multiplier, prediv, VCO, sysdiv, pll_rdiv;
+       u32 sclk_rdiv_map[] = {1, 2, 4, 8};
+       u32 bit_div2x = 1, sclk_rdiv, sysclk;
+       u8 temp1, temp2;
+       int ret;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1);
+       if (ret)
+               return ret;
+       temp2 = temp1 & 0x0f;
+       if (temp2 == 8 || temp2 == 10)
+               bit_div2x = temp2 / 2;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1);
+       if (ret)
+               return ret;
+       sysdiv = temp1 >> 4;
+       if (sysdiv == 0)
+               sysdiv = 16;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1);
+       if (ret)
+               return ret;
+       multiplier = temp1;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1);
+       if (ret)
+               return ret;
+       prediv = temp1 & 0x0f;
+       pll_rdiv = ((temp1 >> 4) & 0x01) + 1;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1);
+       if (ret)
+               return ret;
+       temp2 = temp1 & 0x03;
+       sclk_rdiv = sclk_rdiv_map[temp2];
+
+       if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x)
+               return -EINVAL;
+
+       VCO = xvclk * multiplier / prediv;
+
+       sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv;
+
+       return sysclk;
+}
+
+static int ov5640_set_night_mode(struct ov5640_dev *sensor)
+{
+        /* read HTS from register settings */
+       u8 mode;
+       int ret;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode);
+       if (ret)
+               return ret;
+       mode &= 0xfb;
+       return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode);
+}
+
+static int ov5640_get_hts(struct ov5640_dev *sensor)
+{
+       /* read HTS from register settings */
+       u16 hts;
+       int ret;
+
+       ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts);
+       if (ret)
+               return ret;
+       return hts;
+}
+
+static int ov5640_get_vts(struct ov5640_dev *sensor)
+{
+       u16 vts;
+       int ret;
+
+       ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts);
+       if (ret)
+               return ret;
+       return vts;
+}
+
+static int ov5640_set_vts(struct ov5640_dev *sensor, int vts)
+{
+       return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts);
+}
+
+static int ov5640_get_light_freq(struct ov5640_dev *sensor)
+{
+       /* get banding filter value */
+       int ret, light_freq = 0;
+       u8 temp, temp1;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp);
+       if (ret)
+               return ret;
+
+       if (temp & 0x80) {
+               /* manual */
+               ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00,
+                                     &temp1);
+               if (ret)
+                       return ret;
+               if (temp1 & 0x04) {
+                       /* 50Hz */
+                       light_freq = 50;
+               } else {
+                       /* 60Hz */
+                       light_freq = 60;
+               }
+       } else {
+               /* auto */
+               ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C,
+                                     &temp1);
+               if (ret)
+                       return ret;
+
+               if (temp1 & 0x01) {
+                       /* 50Hz */
+                       light_freq = 50;
+               } else {
+                       /* 60Hz */
+               }
+       }
+
+       return light_freq;
+}
+
+static int ov5640_set_bandingfilter(struct ov5640_dev *sensor)
+{
+       u32 band_step60, max_band60, band_step50, max_band50, prev_vts;
+       int ret;
+
+       /* read preview PCLK */
+       ret = ov5640_get_sysclk(sensor);
+       if (ret < 0)
+               return ret;
+       if (ret == 0)
+               return -EINVAL;
+       sensor->prev_sysclk = ret;
+       /* read preview HTS */
+       ret = ov5640_get_hts(sensor);
+       if (ret < 0)
+               return ret;
+       if (ret == 0)
+               return -EINVAL;
+       sensor->prev_hts = ret;
+
+       /* read preview VTS */
+       ret = ov5640_get_vts(sensor);
+       if (ret < 0)
+               return ret;
+       prev_vts = ret;
+
+
+       /* calculate banding filter */
+       /* 60Hz */
+       band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120;
+       ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60);
+       if (ret)
+               return ret;
+       if (!band_step60)
+               return -EINVAL;
+       max_band60 = (int)((prev_vts - 4) / band_step60);
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60);
+       if (ret)
+               return ret;
+
+       /* 50Hz */
+       band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts;
+       ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50);
+       if (ret)
+               return ret;
+       if (!band_step50)
+               return -EINVAL;
+       max_band50 = (int)((prev_vts - 4) / band_step50);
+       return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50);
+}
+
+static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target)
+{
+       /* stable in high */
+       u32 fast_high, fast_low;
+       int ret;
+
+       sensor->ae_low = target * 23 / 25;      /* 0.92 */
+       sensor->ae_high = target * 27 / 25;     /* 1.08 */
+
+       fast_high = sensor->ae_high << 1;
+       if (fast_high > 255)
+               fast_high = 255;
+
+       fast_low = sensor->ae_low >> 1;
+
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high);
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low);
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high);
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low);
+       if (ret)
+               return ret;
+       ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high);
+       if (ret)
+               return ret;
+       return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low);
+}
+
+static int ov5640_binning_on(struct ov5640_dev *sensor)
+{
+       u8 temp;
+       int ret;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp);
+       if (ret)
+               return ret;
+       temp &= 0xfe;
+       return temp ? 1 : 0;
+}
+
+static int ov5640_set_virtual_channel(struct ov5640_dev *sensor)
+{
+       u8 temp, channel = virtual_channel;
+       int ret;
+
+       if (channel > 3)
+               return -EINVAL;
+
+       ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp);
+       if (ret)
+               return ret;
+       temp &= ~(3 << 6);
+       temp |= (channel << 6);
+       return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp);
+}
+
+static const struct ov5640_mode_info *
+ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr,
+                int width, int height, bool nearest)
+{
+       const struct ov5640_mode_info *mode = NULL;
+       int i;
+
+       for (i = OV5640_NUM_MODES - 1; i >= 0; i--) {
+               mode = &ov5640_mode_data[fr][i];
+
+               if (!mode->reg_data)
+                       continue;
+
+               if ((nearest && mode->width <= width &&
+                    mode->height <= height) ||
+                   (!nearest && mode->width == width &&
+                    mode->height == height))
+                       break;
+       }
+
+       if (nearest && i < 0)
+               mode = &ov5640_mode_data[fr][0];
+
+       return mode;
+}
+
+/*
+ * sensor changes between scaling and subsampling, go through
+ * exposure calculation
+ */
+static int ov5640_set_mode_exposure_calc(
+       struct ov5640_dev *sensor, const struct ov5640_mode_info *mode)
+{
+       u32 prev_shutter, prev_gain16;
+       u32 cap_shutter, cap_gain16;
+       u32 cap_sysclk, cap_hts, cap_vts;
+       u32 light_freq, cap_bandfilt, cap_maxband;
+       u32 cap_gain16_shutter;
+       u8 average;
+       int ret;
+
+       if (mode->reg_data == NULL)
+               return -EINVAL;
+
+       /* read preview shutter */
+       ret = ov5640_get_exposure(sensor);
+       if (ret < 0)
+               return ret;
+       prev_shutter = ret;
+       ret = ov5640_binning_on(sensor);
+       if (ret < 0)
+               return ret;
+       if (ret && mode->id != OV5640_MODE_720P_1280_720 &&
+           mode->id != OV5640_MODE_1080P_1920_1080)
+               prev_shutter *= 2;
+
+       /* read preview gain */
+       ret = ov5640_get_gain(sensor);
+       if (ret < 0)
+               return ret;
+       prev_gain16 = ret;
+
+       /* get average */
+       ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average);
+       if (ret)
+               return ret;
+
+       /* turn off night mode for capture */
+       ret = ov5640_set_night_mode(sensor);
+       if (ret < 0)
+               return ret;
+
+       /* Write capture setting */
+       ret = ov5640_load_regs(sensor, mode);
+       if (ret < 0)
+               return ret;
+
+       /* read capture VTS */
+       ret = ov5640_get_vts(sensor);
+       if (ret < 0)
+               return ret;
+       cap_vts = ret;
+       ret = ov5640_get_hts(sensor);
+       if (ret < 0)
+               return ret;
+       if (ret == 0)
+               return -EINVAL;
+       cap_hts = ret;
+
+       ret = ov5640_get_sysclk(sensor);
+       if (ret < 0)
+               return ret;
+       if (ret == 0)
+               return -EINVAL;
+       cap_sysclk = ret;
+
+       /* calculate capture banding filter */
+       ret = ov5640_get_light_freq(sensor);
+       if (ret < 0)
+               return ret;
+       light_freq = ret;
+
+       if (light_freq == 60) {
+               /* 60Hz */
+               cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120;
+       } else {
+               /* 50Hz */
+               cap_bandfilt = cap_sysclk * 100 / cap_hts;
+       }
+
+       if (!sensor->prev_sysclk) {
+               ret = ov5640_get_sysclk(sensor);
+               if (ret < 0)
+                       return ret;
+               if (ret == 0)
+                       return -EINVAL;
+               sensor->prev_sysclk = ret;
+       }
+
+       if (!cap_bandfilt)
+               return -EINVAL;
+
+       cap_maxband = (int)((cap_vts - 4) / cap_bandfilt);
+
+       /* calculate capture shutter/gain16 */
+       if (average > sensor->ae_low && average < sensor->ae_high) {
+               /* in stable range */
+               cap_gain16_shutter =
+                       prev_gain16 * prev_shutter *
+                       cap_sysclk / sensor->prev_sysclk *
+                       sensor->prev_hts / cap_hts *
+                       sensor->ae_target / average;
+       } else {
+               cap_gain16_shutter =
+                       prev_gain16 * prev_shutter *
+                       cap_sysclk / sensor->prev_sysclk *
+                       sensor->prev_hts / cap_hts;
+       }
+
+       /* gain to shutter */
+       if (cap_gain16_shutter < (cap_bandfilt * 16)) {
+               /* shutter < 1/100 */
+               cap_shutter = cap_gain16_shutter / 16;
+               if (cap_shutter < 1)
+                       cap_shutter = 1;
+
+               cap_gain16 = cap_gain16_shutter / cap_shutter;
+               if (cap_gain16 < 16)
+                       cap_gain16 = 16;
+       } else {
+               if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) {
+                       /* exposure reach max */
+                       cap_shutter = cap_bandfilt * cap_maxband;
+                       if (!cap_shutter)
+                               return -EINVAL;
+
+                       cap_gain16 = cap_gain16_shutter / cap_shutter;
+               } else {
+                       /* 1/100 < (cap_shutter = n/100) =< max */
+                       cap_shutter =
+                               ((int)(cap_gain16_shutter / 16 / cap_bandfilt))
+                               * cap_bandfilt;
+                       if (!cap_shutter)
+                               return -EINVAL;
+
+                       cap_gain16 = cap_gain16_shutter / cap_shutter;
+               }
+       }
+
+       /* set capture gain */
+       ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.gain, cap_gain16);
+       if (ret)
+               return ret;
+
+       /* write capture shutter */
+       if (cap_shutter > (cap_vts - 4)) {
+               cap_vts = cap_shutter + 4;
+               ret = ov5640_set_vts(sensor, cap_vts);
+               if (ret < 0)
+                       return ret;
+       }
+
+       /* set exposure */
+       return __v4l2_ctrl_s_ctrl(sensor->ctrls.exposure, cap_shutter);
+}
+
+/*
+ * if sensor changes inside scaling or subsampling
+ * change mode directly
+ */
+static int ov5640_set_mode_direct(struct ov5640_dev *sensor,
+                                 const struct ov5640_mode_info *mode)
+{
+       int ret;
+
+       if (mode->reg_data == NULL)
+               return -EINVAL;
+
+       /* Write capture setting */
+       ret = ov5640_load_regs(sensor, mode);
+       if (ret < 0)
+               return ret;
+
+       /* turn auto gain/exposure back on for direct mode */
+       ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 1);
+       if (ret)
+               return ret;
+       return __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_AUTO);
+}
+
+static int ov5640_set_mode(struct ov5640_dev *sensor,
+                          const struct ov5640_mode_info *orig_mode)
+{
+       const struct ov5640_mode_info *mode = sensor->current_mode;
+       enum ov5640_downsize_mode dn_mode, orig_dn_mode;
+       int ret;
+
+       dn_mode = mode->dn_mode;
+       orig_dn_mode = orig_mode->dn_mode;
+
+       /* auto gain and exposure must be turned off when changing modes */
+       ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_gain, 0);
+       if (ret)
+               return ret;
+       ret = __v4l2_ctrl_s_ctrl(sensor->ctrls.auto_exp, V4L2_EXPOSURE_MANUAL);
+       if (ret)
+               return ret;
+
+       if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) ||
+           (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) {
+               /*
+                * change between subsampling and scaling
+                * go through exposure calucation
+                */
+               ret = ov5640_set_mode_exposure_calc(sensor, mode);
+       } else {
+               /*
+                * change inside subsampling or scaling
+                * download firmware directly
+                */
+               ret = ov5640_set_mode_direct(sensor, mode);
+       }
+
+       if (ret < 0)
+               return ret;
+
+       ret = ov5640_set_ae_target(sensor, sensor->ae_target);
+       if (ret < 0)
+               return ret;
+       ret = ov5640_get_light_freq(sensor);
+       if (ret < 0)
+               return ret;
+       ret = ov5640_set_bandingfilter(sensor);
+       if (ret < 0)
+               return ret;
+       ret = ov5640_set_virtual_channel(sensor);
+       if (ret < 0)
+               return ret;
+
+       sensor->pending_mode_change = false;
+
+       return 0;
+}
+
+/* restore the last set video mode after chip power-on */
+static int ov5640_restore_mode(struct ov5640_dev *sensor)
+{
+       int ret;
+
+       /* first load the initial register values */
+       ret = ov5640_load_regs(sensor, &ov5640_mode_init_data);
+       if (ret < 0)
+               return ret;
+
+       /* now restore the last capture mode */
+       return ov5640_set_mode(sensor, &ov5640_mode_init_data);
+}
+
+static void ov5640_power(struct ov5640_dev *sensor, bool enable)
+{
+       if (sensor->pwdn_gpio)
+               gpiod_set_value(sensor->pwdn_gpio, enable ? 0 : 1);
+}
+
+static void ov5640_reset(struct ov5640_dev *sensor)
+{
+       if (!sensor->reset_gpio)
+               return;
+
+       gpiod_set_value(sensor->reset_gpio, 0);
+
+       /* camera power cycle */
+       ov5640_power(sensor, false);
+       usleep_range(5000, 10000);
+       ov5640_power(sensor, true);
+       usleep_range(5000, 10000);
+
+       gpiod_set_value(sensor->reset_gpio, 1);
+       usleep_range(1000, 2000);
+
+       gpiod_set_value(sensor->reset_gpio, 0);
+       usleep_range(5000, 10000);
+}
+
+static int ov5640_set_power(struct ov5640_dev *sensor, bool on)
+{
+       int ret = 0;
+
+       if (on) {
+               clk_prepare_enable(sensor->xclk);
+
+               ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES,
+                                           sensor->supplies);
+               if (ret)
+                       goto xclk_off;
+
+               ov5640_reset(sensor);
+               ov5640_power(sensor, true);
+
+               ret = ov5640_init_slave_id(sensor);
+               if (ret)
+                       goto power_off;
+
+               ret = ov5640_restore_mode(sensor);
+               if (ret)
+                       goto power_off;
+
+               /*
+                * start streaming briefly followed by stream off in
+                * order to coax the clock lane into LP-11 state.
+                */
+               ret = ov5640_set_stream(sensor, true);
+               if (ret)
+                       goto power_off;
+               usleep_range(1000, 2000);
+               ret = ov5640_set_stream(sensor, false);
+               if (ret)
+                       goto power_off;
+
+               return 0;
+       }
+
+power_off:
+       ov5640_power(sensor, false);
+       regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
+xclk_off:
+       clk_disable_unprepare(sensor->xclk);
+       return ret;
+}
+
+/* --------------- Subdev Operations --------------- */
+
+static int ov5640_s_power(struct v4l2_subdev *sd, int on)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       int ret = 0;
+
+       mutex_lock(&sensor->lock);
+
+       /*
+        * If the power count is modified from 0 to != 0 or from != 0 to 0,
+        * update the power state.
+        */
+       if (sensor->power_count == !on) {
+               ret = ov5640_set_power(sensor, !!on);
+               if (ret)
+                       goto out;
+       }
+
+       /* Update the power count. */
+       sensor->power_count += on ? 1 : -1;
+       WARN_ON(sensor->power_count < 0);
+out:
+       mutex_unlock(&sensor->lock);
+
+       if (on && !ret && sensor->power_count == 1) {
+               /* restore controls */
+               ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler);
+       }
+
+       return ret;
+}
+
+static int ov5640_try_frame_interval(struct ov5640_dev *sensor,
+                                    struct v4l2_fract *fi,
+                                    u32 width, u32 height)
+{
+       const struct ov5640_mode_info *mode;
+       u32 minfps, maxfps, fps;
+       int ret;
+
+       minfps = ov5640_framerates[OV5640_15_FPS];
+       maxfps = ov5640_framerates[OV5640_30_FPS];
+
+       if (fi->numerator == 0) {
+               fi->denominator = maxfps;
+               fi->numerator = 1;
+               return OV5640_30_FPS;
+       }
+
+       fps = DIV_ROUND_CLOSEST(fi->denominator, fi->numerator);
+
+       fi->numerator = 1;
+       if (fps > maxfps)
+               fi->denominator = maxfps;
+       else if (fps < minfps)
+               fi->denominator = minfps;
+       else if (2 * fps >= 2 * minfps + (maxfps - minfps))
+               fi->denominator = maxfps;
+       else
+               fi->denominator = minfps;
+
+       ret = (fi->denominator == minfps) ? OV5640_15_FPS : OV5640_30_FPS;
+
+       mode = ov5640_find_mode(sensor, ret, width, height, false);
+       return mode ? ret : -EINVAL;
+}
+
+static int ov5640_get_fmt(struct v4l2_subdev *sd,
+                         struct v4l2_subdev_pad_config *cfg,
+                         struct v4l2_subdev_format *format)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       struct v4l2_mbus_framefmt *fmt;
+
+       if (format->pad != 0)
+               return -EINVAL;
+
+       mutex_lock(&sensor->lock);
+
+       if (format->which == V4L2_SUBDEV_FORMAT_TRY)
+               fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg,
+                                                format->pad);
+       else
+               fmt = &sensor->fmt;
+
+       format->format = *fmt;
+
+       mutex_unlock(&sensor->lock);
+
+       return 0;
+}
+
+static int ov5640_try_fmt_internal(struct v4l2_subdev *sd,
+                                  struct v4l2_mbus_framefmt *fmt,
+                                  enum ov5640_frame_rate fr,
+                                  const struct ov5640_mode_info **new_mode)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       const struct ov5640_mode_info *mode;
+
+       mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true);
+       if (!mode)
+               return -EINVAL;
+
+       fmt->width = mode->width;
+       fmt->height = mode->height;
+       fmt->code = sensor->fmt.code;
+
+       if (new_mode)
+               *new_mode = mode;
+       return 0;
+}
+
+static int ov5640_set_fmt(struct v4l2_subdev *sd,
+                         struct v4l2_subdev_pad_config *cfg,
+                         struct v4l2_subdev_format *format)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       const struct ov5640_mode_info *new_mode;
+       int ret;
+
+       if (format->pad != 0)
+               return -EINVAL;
+
+       mutex_lock(&sensor->lock);
+
+       if (sensor->streaming) {
+               ret = -EBUSY;
+               goto out;
+       }
+
+       ret = ov5640_try_fmt_internal(sd, &format->format,
+                                     sensor->current_fr, &new_mode);
+       if (ret)
+               goto out;
+
+       if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+               struct v4l2_mbus_framefmt *fmt =
+                       v4l2_subdev_get_try_format(sd, cfg, 0);
+
+               *fmt = format->format;
+               goto out;
+       }
+
+       sensor->current_mode = new_mode;
+       sensor->fmt = format->format;
+       sensor->pending_mode_change = true;
+out:
+       mutex_unlock(&sensor->lock);
+       return ret;
+}
+
+
+/*
+ * Sensor Controls.
+ */
+
+static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value)
+{
+       int ret;
+
+       if (value) {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
+                                    BIT(0), BIT(0));
+               if (ret)
+                       return ret;
+               ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value);
+       } else {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value)
+{
+       int ret;
+
+       if (value) {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
+                                    BIT(2), BIT(2));
+               if (ret)
+                       return ret;
+               ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5,
+                                      value & 0xff);
+       } else {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value)
+{
+       int ret;
+
+       if (value) {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0,
+                                    BIT(1), BIT(1));
+               if (ret)
+                       return ret;
+               ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3,
+                                      value & 0xff);
+               if (ret)
+                       return ret;
+               ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4,
+                                      value & 0xff);
+       } else {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb)
+{
+       int ret;
+
+       ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL,
+                            BIT(0), awb ? 0 : 1);
+       if (ret)
+               return ret;
+
+       if (!awb) {
+               u16 red = (u16)sensor->ctrls.red_balance->val;
+               u16 blue = (u16)sensor->ctrls.blue_balance->val;
+
+               ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red);
+               if (ret)
+                       return ret;
+               ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, int exp)
+{
+       struct ov5640_ctrls *ctrls = &sensor->ctrls;
+       bool auto_exposure = (exp == V4L2_EXPOSURE_AUTO);
+       int ret = 0;
+
+       if (ctrls->auto_exp->is_new) {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
+                                    BIT(0), auto_exposure ? 0 : BIT(0));
+               if (ret)
+                       return ret;
+       }
+
+       if (!auto_exposure && ctrls->exposure->is_new) {
+               u16 max_exp;
+
+               ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS,
+                                       &max_exp);
+               if (ret)
+                       return ret;
+               ret = ov5640_get_vts(sensor);
+               if (ret < 0)
+                       return ret;
+               max_exp += ret;
+
+               if (ctrls->exposure->val < max_exp)
+                       ret = ov5640_set_exposure(sensor, ctrls->exposure->val);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, int auto_gain)
+{
+       struct ov5640_ctrls *ctrls = &sensor->ctrls;
+       int ret = 0;
+
+       if (ctrls->auto_gain->is_new) {
+               ret = ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL,
+                                    BIT(1), ctrls->auto_gain->val ? 0 : BIT(1));
+               if (ret)
+                       return ret;
+       }
+
+       if (!auto_gain && ctrls->gain->is_new) {
+               u16 gain = (u16)ctrls->gain->val;
+
+               ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN,
+                                        gain & 0x3ff);
+       }
+
+       return ret;
+}
+
+static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value)
+{
+       return ov5640_mod_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1,
+                             0xa4, value ? 0xa4 : 0);
+}
+
+static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       int val;
+
+       /* v4l2_ctrl_lock() locks our own mutex */
+
+       switch (ctrl->id) {
+       case V4L2_CID_AUTOGAIN:
+               if (!ctrl->val)
+                       return 0;
+               val = ov5640_get_gain(sensor);
+               if (val < 0)
+                       return val;
+               sensor->ctrls.gain->val = val;
+               break;
+       case V4L2_CID_EXPOSURE_AUTO:
+               if (ctrl->val == V4L2_EXPOSURE_MANUAL)
+                       return 0;
+               val = ov5640_get_exposure(sensor);
+               if (val < 0)
+                       return val;
+               sensor->ctrls.exposure->val = val;
+               break;
+       }
+
+       return 0;
+}
+
+static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct v4l2_subdev *sd = ctrl_to_sd(ctrl);
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       int ret;
+
+       /* v4l2_ctrl_lock() locks our own mutex */
+
+       /*
+        * If the device is not powered up by the host driver do
+        * not apply any controls to H/W at this time. Instead
+        * the controls will be restored right after power-up.
+        */
+       if (sensor->power_count == 0)
+               return 0;
+
+       switch (ctrl->id) {
+       case V4L2_CID_AUTOGAIN:
+               ret = ov5640_set_ctrl_gain(sensor, ctrl->val);
+               break;
+       case V4L2_CID_EXPOSURE_AUTO:
+               ret = ov5640_set_ctrl_exposure(sensor, ctrl->val);
+               break;
+       case V4L2_CID_AUTO_WHITE_BALANCE:
+               ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val);
+               break;
+       case V4L2_CID_HUE:
+               ret = ov5640_set_ctrl_hue(sensor, ctrl->val);
+               break;
+       case V4L2_CID_CONTRAST:
+               ret = ov5640_set_ctrl_contrast(sensor, ctrl->val);
+               break;
+       case V4L2_CID_SATURATION:
+               ret = ov5640_set_ctrl_saturation(sensor, ctrl->val);
+               break;
+       case V4L2_CID_TEST_PATTERN:
+               ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val);
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+static const struct v4l2_ctrl_ops ov5640_ctrl_ops = {
+       .g_volatile_ctrl = ov5640_g_volatile_ctrl,
+       .s_ctrl = ov5640_s_ctrl,
+};
+
+static const char * const test_pattern_menu[] = {
+       "Disabled",
+       "Color bars",
+};
+
+static int ov5640_init_controls(struct ov5640_dev *sensor)
+{
+       const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops;
+       struct ov5640_ctrls *ctrls = &sensor->ctrls;
+       struct v4l2_ctrl_handler *hdl = &ctrls->handler;
+       int ret;
+
+       v4l2_ctrl_handler_init(hdl, 32);
+
+       /* we can use our own mutex for the ctrl lock */
+       hdl->lock = &sensor->lock;
+
+       /* Auto/manual white balance */
+       ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops,
+                                          V4L2_CID_AUTO_WHITE_BALANCE,
+                                          0, 1, 1, 1);
+       ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE,
+                                               0, 4095, 1, 0);
+       ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE,
+                                              0, 4095, 1, 0);
+       /* Auto/manual exposure */
+       ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops,
+                                                V4L2_CID_EXPOSURE_AUTO,
+                                                V4L2_EXPOSURE_MANUAL, 0,
+                                                V4L2_EXPOSURE_AUTO);
+       ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE,
+                                           0, 65535, 1, 0);
+       /* Auto/manual gain */
+       ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN,
+                                            0, 1, 1, 1);
+       ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN,
+                                       0, 1023, 1, 0);
+
+       ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION,
+                                             0, 255, 1, 64);
+       ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE,
+                                      0, 359, 1, 0);
+       ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST,
+                                           0, 255, 1, 0);
+       ctrls->test_pattern =
+               v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN,
+                                            ARRAY_SIZE(test_pattern_menu) - 1,
+                                            0, 0, test_pattern_menu);
+
+       if (hdl->error) {
+               ret = hdl->error;
+               goto free_ctrls;
+       }
+
+       ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE;
+       ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE;
+
+       v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false);
+       v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true);
+       v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true);
+
+       sensor->sd.ctrl_handler = hdl;
+       return 0;
+
+free_ctrls:
+       v4l2_ctrl_handler_free(hdl);
+       return ret;
+}
+
+static int ov5640_enum_frame_size(struct v4l2_subdev *sd,
+                                 struct v4l2_subdev_pad_config *cfg,
+                                 struct v4l2_subdev_frame_size_enum *fse)
+{
+       if (fse->pad != 0)
+               return -EINVAL;
+       if (fse->index >= OV5640_NUM_MODES)
+               return -EINVAL;
+
+       fse->min_width = fse->max_width =
+               ov5640_mode_data[0][fse->index].width;
+       fse->min_height = fse->max_height =
+               ov5640_mode_data[0][fse->index].height;
+
+       return 0;
+}
+
+static int ov5640_enum_frame_interval(
+       struct v4l2_subdev *sd,
+       struct v4l2_subdev_pad_config *cfg,
+       struct v4l2_subdev_frame_interval_enum *fie)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       struct v4l2_fract tpf;
+       int ret;
+
+       if (fie->pad != 0)
+               return -EINVAL;
+       if (fie->index >= OV5640_NUM_FRAMERATES)
+               return -EINVAL;
+
+       tpf.numerator = 1;
+       tpf.denominator = ov5640_framerates[fie->index];
+
+       ret = ov5640_try_frame_interval(sensor, &tpf,
+                                       fie->width, fie->height);
+       if (ret < 0)
+               return -EINVAL;
+
+       fie->interval = tpf;
+       return 0;
+}
+
+static int ov5640_g_frame_interval(struct v4l2_subdev *sd,
+                                  struct v4l2_subdev_frame_interval *fi)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+
+       mutex_lock(&sensor->lock);
+       fi->interval = sensor->frame_interval;
+       mutex_unlock(&sensor->lock);
+
+       return 0;
+}
+
+static int ov5640_s_frame_interval(struct v4l2_subdev *sd,
+                                  struct v4l2_subdev_frame_interval *fi)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       const struct ov5640_mode_info *mode;
+       int frame_rate, ret = 0;
+
+       if (fi->pad != 0)
+               return -EINVAL;
+
+       mutex_lock(&sensor->lock);
+
+       if (sensor->streaming) {
+               ret = -EBUSY;
+               goto out;
+       }
+
+       mode = sensor->current_mode;
+
+       frame_rate = ov5640_try_frame_interval(sensor, &fi->interval,
+                                              mode->width, mode->height);
+       if (frame_rate < 0)
+               frame_rate = OV5640_15_FPS;
+
+       sensor->current_fr = frame_rate;
+       sensor->frame_interval = fi->interval;
+       sensor->pending_mode_change = true;
+out:
+       mutex_unlock(&sensor->lock);
+       return ret;
+}
+
+static int ov5640_enum_mbus_code(struct v4l2_subdev *sd,
+                                 struct v4l2_subdev_pad_config *cfg,
+                                 struct v4l2_subdev_mbus_code_enum *code)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+
+       if (code->pad != 0)
+               return -EINVAL;
+       if (code->index != 0)
+               return -EINVAL;
+
+       code->code = sensor->fmt.code;
+
+       return 0;
+}
+
+static int ov5640_s_stream(struct v4l2_subdev *sd, int enable)
+{
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+       int ret = 0;
+
+       mutex_lock(&sensor->lock);
+
+       if (sensor->streaming == !enable) {
+               if (enable && sensor->pending_mode_change) {
+                       ret = ov5640_set_mode(sensor, sensor->current_mode);
+                       if (ret)
+                               goto out;
+               }
+
+               ret = ov5640_set_stream(sensor, enable);
+               if (!ret)
+                       sensor->streaming = enable;
+       }
+out:
+       mutex_unlock(&sensor->lock);
+       return ret;
+}
+
+static const struct v4l2_subdev_core_ops ov5640_core_ops = {
+       .s_power = ov5640_s_power,
+};
+
+static const struct v4l2_subdev_video_ops ov5640_video_ops = {
+       .g_frame_interval = ov5640_g_frame_interval,
+       .s_frame_interval = ov5640_s_frame_interval,
+       .s_stream = ov5640_s_stream,
+};
+
+static const struct v4l2_subdev_pad_ops ov5640_pad_ops = {
+       .enum_mbus_code = ov5640_enum_mbus_code,
+       .get_fmt = ov5640_get_fmt,
+       .set_fmt = ov5640_set_fmt,
+       .enum_frame_size = ov5640_enum_frame_size,
+       .enum_frame_interval = ov5640_enum_frame_interval,
+};
+
+static const struct v4l2_subdev_ops ov5640_subdev_ops = {
+       .core = &ov5640_core_ops,
+       .video = &ov5640_video_ops,
+       .pad = &ov5640_pad_ops,
+};
+
+static int ov5640_get_regulators(struct ov5640_dev *sensor)
+{
+       int i;
+
+       for (i = 0; i < OV5640_NUM_SUPPLIES; i++)
+               sensor->supplies[i].supply = ov5640_supply_name[i];
+
+       return devm_regulator_bulk_get(&sensor->i2c_client->dev,
+                                      OV5640_NUM_SUPPLIES,
+                                      sensor->supplies);
+}
+
+static int ov5640_probe(struct i2c_client *client,
+                       const struct i2c_device_id *id)
+{
+       struct device *dev = &client->dev;
+       struct fwnode_handle *endpoint;
+       struct ov5640_dev *sensor;
+       int ret;
+
+       sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
+       if (!sensor)
+               return -ENOMEM;
+
+       sensor->i2c_client = client;
+       sensor->fmt.code = MEDIA_BUS_FMT_UYVY8_2X8;
+       sensor->fmt.width = 640;
+       sensor->fmt.height = 480;
+       sensor->fmt.field = V4L2_FIELD_NONE;
+       sensor->frame_interval.numerator = 1;
+       sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS];
+       sensor->current_fr = OV5640_30_FPS;
+       sensor->current_mode =
+               &ov5640_mode_data[OV5640_30_FPS][OV5640_MODE_VGA_640_480];
+       sensor->pending_mode_change = true;
+
+       sensor->ae_target = 52;
+
+       endpoint = fwnode_graph_get_next_endpoint(
+               of_fwnode_handle(client->dev.of_node), NULL);
+       if (!endpoint) {
+               dev_err(dev, "endpoint node not found\n");
+               return -EINVAL;
+       }
+
+       ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep);
+       fwnode_handle_put(endpoint);
+       if (ret) {
+               dev_err(dev, "Could not parse endpoint\n");
+               return ret;
+       }
+
+       if (sensor->ep.bus_type != V4L2_MBUS_CSI2) {
+               dev_err(dev, "invalid bus type, must be MIPI CSI2\n");
+               return -EINVAL;
+       }
+
+       /* get system clock (xclk) */
+       sensor->xclk = devm_clk_get(dev, "xclk");
+       if (IS_ERR(sensor->xclk)) {
+               dev_err(dev, "failed to get xclk\n");
+               return PTR_ERR(sensor->xclk);
+       }
+
+       sensor->xclk_freq = clk_get_rate(sensor->xclk);
+       if (sensor->xclk_freq < OV5640_XCLK_MIN ||
+           sensor->xclk_freq > OV5640_XCLK_MAX) {
+               dev_err(dev, "xclk frequency out of range: %d Hz\n",
+                       sensor->xclk_freq);
+               return -EINVAL;
+       }
+
+       /* request optional power down pin */
+       sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown",
+                                                   GPIOD_OUT_HIGH);
+       /* request optional reset pin */
+       sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+                                                    GPIOD_OUT_HIGH);
+
+       v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops);
+
+       sensor->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
+       sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
+       sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+       ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad);
+       if (ret)
+               return ret;
+
+       ret = ov5640_get_regulators(sensor);
+       if (ret)
+               return ret;
+
+       mutex_init(&sensor->lock);
+
+       ret = ov5640_init_controls(sensor);
+       if (ret)
+               goto entity_cleanup;
+
+       ret = v4l2_async_register_subdev(&sensor->sd);
+       if (ret)
+               goto free_ctrls;
+
+       return 0;
+
+free_ctrls:
+       v4l2_ctrl_handler_free(&sensor->ctrls.handler);
+entity_cleanup:
+       mutex_destroy(&sensor->lock);
+       media_entity_cleanup(&sensor->sd.entity);
+       return ret;
+}
+
+static int ov5640_remove(struct i2c_client *client)
+{
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+       struct ov5640_dev *sensor = to_ov5640_dev(sd);
+
+       v4l2_async_unregister_subdev(&sensor->sd);
+       mutex_destroy(&sensor->lock);
+       media_entity_cleanup(&sensor->sd.entity);
+       v4l2_ctrl_handler_free(&sensor->ctrls.handler);
+
+       return 0;
+}
+
+static const struct i2c_device_id ov5640_id[] = {
+       {"ov5640", 0},
+       {},
+};
+MODULE_DEVICE_TABLE(i2c, ov5640_id);
+
+static const struct of_device_id ov5640_dt_ids[] = {
+       { .compatible = "ovti,ov5640" },
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ov5640_dt_ids);
+
+static struct i2c_driver ov5640_i2c_driver = {
+       .driver = {
+               .name  = "ov5640",
+               .of_match_table = ov5640_dt_ids,
+       },
+       .id_table = ov5640_id,
+       .probe    = ov5640_probe,
+       .remove   = ov5640_remove,
+};
+
+module_i2c_driver(ov5640_i2c_driver);
+
+MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver");
+MODULE_LICENSE("GPL");