Provides single source pad with up to 2592x1944 pixels at 10-bit raw
bayer format over MIPI CSI2 two lanes at 840Mbps/lane.
The driver supports following features:
- up to  30fps at 5M pixels
- manual exposure
- digital/analog gain
- V-blank/H-blank
- test pattern
- media controller
- runtime pm

Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rap...@intel.com>
---
 drivers/media/i2c/Kconfig  |   12 +
 drivers/media/i2c/Makefile |    1 +
 drivers/media/i2c/ov5670.c | 2587 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 2600 insertions(+)
 create mode 100644 drivers/media/i2c/ov5670.c

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 121b3b5..e0f2411 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -593,6 +593,18 @@ config VIDEO_OV5647
          To compile this driver as a module, choose M here: the
          module will be called ov5647.
 
+config VIDEO_OV5670
+       tristate "OmniVision OV5670 sensor support"
+       depends on I2C && VIDEO_V4L2
+       depends on MEDIA_CAMERA_SUPPORT
+       select V4L2_FWNODE
+       ---help---
+         This is a Video4Linux2 sensor-level driver for the OmniVision
+         OV5670 camera.
+
+         To compile this driver as a module, choose M here: the
+         module will be called ov5670.
+
 config VIDEO_OV7640
        tristate "OmniVision OV7640 sensor support"
        depends on I2C && VIDEO_V4L2
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 2c0868f..1fb3a1f 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -62,6 +62,7 @@ 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-$(CONFIG_VIDEO_OV5670) += ov5670.o
 obj-$(CONFIG_VIDEO_OV7640) += ov7640.o
 obj-$(CONFIG_VIDEO_OV7670) += ov7670.o
 obj-$(CONFIG_VIDEO_OV9650) += ov9650.o
diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c
new file mode 100644
index 0000000..909095a
--- /dev/null
+++ b/drivers/media/i2c/ov5670.c
@@ -0,0 +1,2587 @@
+/*
+ * Copyright (c) 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/acpi.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+
+#define OV5670_REG_CHIP_ID             0x300a
+#define OV5670_CHIP_ID                 0x005670
+
+#define OV5670_REG_MODE_SELECT         0x0100
+#define OV5670_MODE_STANDBY            0x00
+#define OV5670_MODE_STREAMING          0x01
+
+#define OV5670_REG_SOFTWARE_RST                0x0103
+#define OV5670_SOFTWARE_RST            0x01
+
+/* vertical-timings from sensor */
+#define OV5670_REG_VTS                 0x380e
+#define OV5670_VTS_30FPS               0x0808 /* default for 30 fps */
+#define OV5670_VTS_MAX                 0xffff
+#define OV5670_VBLANK_MIN              56
+
+/* horizontal-timings from sensor */
+#define OV5670_REG_HTS                 0x380c
+#define OV5670_DEF_PPL                 3360    /* Default pixels per line */
+
+/* Exposure controls from sensor */
+#define OV5670_REG_EXPOSURE            0x3500
+#define        OV5670_EXPOSURE_MIN             4
+#define        OV5670_EXPOSURE_STEP            1
+
+/* Analog gain controls from sensor */
+#define OV5670_REG_ANALOG_GAIN         0x3508
+#define        ANALOG_GAIN_MIN                 0
+#define        ANALOG_GAIN_MAX                 8191
+#define        ANALOG_GAIN_STEP                1
+#define        ANALOG_GAIN_DEFAULT             128
+
+/* Digital gain controls from sensor */
+#define OV5670_REG_R_DGTL_GAIN         0x5032
+#define OV5670_REG_G_DGTL_GAIN         0x5034
+#define OV5670_REG_B_DGTL_GAIN         0x5036
+#define OV5670_DGTL_GAIN_MIN           0
+#define OV5670_DGTL_GAIN_MAX           4095
+#define OV5670_DGTL_GAIN_STEP          1
+#define OV5670_DGTL_GAIN_DEFAULT       1024
+
+/* Test Pattern Control */
+#define OV5670_REG_TEST_PATTERN                0x4303
+#define OV5670_TEST_PATTERN_ENABLE     BIT(3)
+#define OV5670_REG_TEST_PATTERN_CTRL   0x4320
+
+#define OV5670_REG_VALUE_08BIT         1
+#define OV5670_REG_VALUE_16BIT         2
+#define OV5670_REG_VALUE_24BIT         3
+
+/* Initial number of frames to skip to avoid possible garbage */
+#define OV5670_NUM_OF_SKIP_FRAMES      2
+
+struct ov5670_reg {
+       u16 address;
+       u8 val;
+};
+
+struct ov5670_reg_list {
+       u32 num_of_regs;
+       const struct ov5670_reg *regs;
+};
+
+struct ov5670_link_freq_config {
+       u32 pixel_rate;
+       const struct ov5670_reg_list reg_list;
+};
+
+struct ov5670_mode {
+       /* Frame width in pixels */
+       u32 width;
+
+       /* Frame height in pixels */
+       u32 height;
+
+       /* Vertical timining size */
+       u32 vts;
+
+       /* Link frequency needed for this resolution */
+       u32 link_freq_index;
+
+       /* Sensor register settings for this resolution */
+       const struct ov5670_reg_list reg_list;
+};
+
+static const struct ov5670_reg mipi_data_rate_840mbps[] = {
+       {0x0300, 0x04},
+       {0x0301, 0x00},
+       {0x0302, 0x84},
+       {0x0303, 0x00},
+       {0x0304, 0x03},
+       {0x0305, 0x01},
+       {0x0306, 0x01},
+       {0x030a, 0x00},
+       {0x030b, 0x00},
+       {0x030c, 0x00},
+       {0x030d, 0x26},
+       {0x030e, 0x00},
+       {0x030f, 0x06},
+       {0x0312, 0x01},
+       {0x3031, 0x0a},
+};
+
+static const struct ov5670_reg mode_2592x1944_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x04},
+       {0x3509, 0x00},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x00},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x10},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x0a},
+       {0x3809, 0x20},
+       {0x380a, 0x07},
+       {0x380b, 0x98},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x02},
+       {0x3814, 0x01},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x84},
+       {0x3821, 0x46},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x01},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x0d},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x40},
+       {0x4503, 0x10},
+       {0x4508, 0xaa},
+       {0x4509, 0xaa},
+       {0x450a, 0x00},
+       {0x450b, 0x00},
+       {0x4600, 0x01},
+       {0x4601, 0x03},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x08},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x06},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3},
+       {0x3503, 0x00}
+};
+
+static const struct ov5670_reg mode_1296x972_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x07},
+       {0x3509, 0x80},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x00},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x08},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x05},
+       {0x3809, 0x10},
+       {0x380a, 0x03},
+       {0x380b, 0xcc},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x04},
+       {0x3814, 0x03},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x94},
+       {0x3821, 0x47},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x03},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x05},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x48},
+       {0x4503, 0x10},
+       {0x4508, 0x55},
+       {0x4509, 0x55},
+       {0x450a, 0x00},
+       {0x450b, 0x00},
+       {0x4600, 0x00},
+       {0x4601, 0x81},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x10},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x04},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3},
+       {0x3503, 0x00}
+};
+
+static const struct ov5670_reg mode_648x486_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x04},
+       {0x3509, 0x00},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x04},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x08},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x02},
+       {0x3809, 0x88},
+       {0x380a, 0x01},
+       {0x380b, 0xe6},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x02},
+       {0x3814, 0x07},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x94},
+       {0x3821, 0xc6},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x07},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x05},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x40},
+       {0x4503, 0x10},
+       {0x4508, 0x55},
+       {0x4509, 0x55},
+       {0x450a, 0x02},
+       {0x450b, 0x00},
+       {0x4600, 0x00},
+       {0x4601, 0x40},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x10},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x06},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3},
+       {0x3503, 0x00}
+};
+
+static const struct ov5670_reg mode_2560x1440_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x04},
+       {0x3509, 0x00},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x00},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x10},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x0a},
+       {0x3809, 0x00},
+       {0x380a, 0x05},
+       {0x380b, 0xa0},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x02},
+       {0x3814, 0x01},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x84},
+       {0x3821, 0x46},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x01},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x0d},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x40},
+       {0x4503, 0x10},
+       {0x4508, 0xaa},
+       {0x4509, 0xaa},
+       {0x450a, 0x00},
+       {0x450b, 0x00},
+       {0x4600, 0x01},
+       {0x4601, 0x00},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x08},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x06},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3}
+};
+
+static const struct ov5670_reg mode_1280x720_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x04},
+       {0x3509, 0x00},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x00},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x08},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x05},
+       {0x3809, 0x00},
+       {0x380a, 0x02},
+       {0x380b, 0xd0},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x02},
+       {0x3814, 0x03},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x94},
+       {0x3821, 0x47},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x03},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x05},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x48},
+       {0x4503, 0x10},
+       {0x4508, 0x55},
+       {0x4509, 0x55},
+       {0x450a, 0x00},
+       {0x450b, 0x00},
+       {0x4600, 0x00},
+       {0x4601, 0x80},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x10},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x06},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3},
+       {0x3503, 0x00}
+};
+
+static const struct ov5670_reg mode_640x360_regs[] = {
+       {0x3000, 0x00},
+       {0x3002, 0x21},
+       {0x3005, 0xf0},
+       {0x3007, 0x00},
+       {0x3015, 0x0f},
+       {0x3018, 0x32},
+       {0x301a, 0xf0},
+       {0x301b, 0xf0},
+       {0x301c, 0xf0},
+       {0x301d, 0xf0},
+       {0x301e, 0xf0},
+       {0x3030, 0x00},
+       {0x3031, 0x0a},
+       {0x303c, 0xff},
+       {0x303e, 0xff},
+       {0x3040, 0xf0},
+       {0x3041, 0x00},
+       {0x3042, 0xf0},
+       {0x3106, 0x11},
+       {0x3500, 0x00},
+       {0x3501, 0x80},
+       {0x3502, 0x00},
+       {0x3503, 0x04},
+       {0x3504, 0x03},
+       {0x3505, 0x83},
+       {0x3508, 0x04},
+       {0x3509, 0x00},
+       {0x350e, 0x04},
+       {0x350f, 0x00},
+       {0x3510, 0x00},
+       {0x3511, 0x02},
+       {0x3512, 0x00},
+       {0x3601, 0xc8},
+       {0x3610, 0x88},
+       {0x3612, 0x48},
+       {0x3614, 0x5b},
+       {0x3615, 0x96},
+       {0x3621, 0xd0},
+       {0x3622, 0x00},
+       {0x3623, 0x04},
+       {0x3633, 0x13},
+       {0x3634, 0x13},
+       {0x3635, 0x13},
+       {0x3636, 0x13},
+       {0x3645, 0x13},
+       {0x3646, 0x82},
+       {0x3650, 0x00},
+       {0x3652, 0xff},
+       {0x3655, 0x20},
+       {0x3656, 0xff},
+       {0x365a, 0xff},
+       {0x365e, 0xff},
+       {0x3668, 0x00},
+       {0x366a, 0x07},
+       {0x366e, 0x08},
+       {0x366d, 0x00},
+       {0x366f, 0x80},
+       {0x3700, 0x28},
+       {0x3701, 0x10},
+       {0x3702, 0x3a},
+       {0x3703, 0x19},
+       {0x3704, 0x10},
+       {0x3705, 0x00},
+       {0x3706, 0x66},
+       {0x3707, 0x08},
+       {0x3708, 0x34},
+       {0x3709, 0x40},
+       {0x370a, 0x01},
+       {0x370b, 0x1b},
+       {0x3714, 0x24},
+       {0x371a, 0x3e},
+       {0x3733, 0x00},
+       {0x3734, 0x00},
+       {0x373a, 0x05},
+       {0x373b, 0x06},
+       {0x373c, 0x0a},
+       {0x373f, 0xa0},
+       {0x3755, 0x00},
+       {0x3758, 0x00},
+       {0x375b, 0x0e},
+       {0x3766, 0x5f},
+       {0x3768, 0x00},
+       {0x3769, 0x22},
+       {0x3773, 0x08},
+       {0x3774, 0x1f},
+       {0x3776, 0x06},
+       {0x37a0, 0x88},
+       {0x37a1, 0x5c},
+       {0x37a7, 0x88},
+       {0x37a8, 0x70},
+       {0x37aa, 0x88},
+       {0x37ab, 0x48},
+       {0x37b3, 0x66},
+       {0x37c2, 0x04},
+       {0x37c5, 0x00},
+       {0x37c8, 0x00},
+       {0x3800, 0x00},
+       {0x3801, 0x0c},
+       {0x3802, 0x00},
+       {0x3803, 0x04},
+       {0x3804, 0x0a},
+       {0x3805, 0x33},
+       {0x3806, 0x07},
+       {0x3807, 0xa3},
+       {0x3808, 0x02},
+       {0x3809, 0x80},
+       {0x380a, 0x01},
+       {0x380b, 0x68},
+       {0x380c, 0x06},
+       {0x380d, 0x90},
+       {0x380e, 0x08},
+       {0x380f, 0x08},
+       {0x3811, 0x04},
+       {0x3813, 0x02},
+       {0x3814, 0x07},
+       {0x3815, 0x01},
+       {0x3816, 0x00},
+       {0x3817, 0x00},
+       {0x3818, 0x00},
+       {0x3819, 0x00},
+       {0x3820, 0x94},
+       {0x3821, 0xc6},
+       {0x3822, 0x48},
+       {0x3826, 0x00},
+       {0x3827, 0x08},
+       {0x382a, 0x07},
+       {0x382b, 0x01},
+       {0x3830, 0x08},
+       {0x3836, 0x02},
+       {0x3837, 0x00},
+       {0x3838, 0x10},
+       {0x3841, 0xff},
+       {0x3846, 0x48},
+       {0x3861, 0x00},
+       {0x3862, 0x04},
+       {0x3863, 0x06},
+       {0x3a11, 0x01},
+       {0x3a12, 0x78},
+       {0x3b00, 0x00},
+       {0x3b02, 0x00},
+       {0x3b03, 0x00},
+       {0x3b04, 0x00},
+       {0x3b05, 0x00},
+       {0x3c00, 0x89},
+       {0x3c01, 0xab},
+       {0x3c02, 0x01},
+       {0x3c03, 0x00},
+       {0x3c04, 0x00},
+       {0x3c05, 0x03},
+       {0x3c06, 0x00},
+       {0x3c07, 0x05},
+       {0x3c0c, 0x00},
+       {0x3c0d, 0x00},
+       {0x3c0e, 0x00},
+       {0x3c0f, 0x00},
+       {0x3c40, 0x00},
+       {0x3c41, 0xa3},
+       {0x3c43, 0x7d},
+       {0x3c45, 0xd7},
+       {0x3c47, 0xfc},
+       {0x3c50, 0x05},
+       {0x3c52, 0xaa},
+       {0x3c54, 0x71},
+       {0x3c56, 0x80},
+       {0x3d85, 0x17},
+       {0x3f03, 0x00},
+       {0x3f0a, 0x00},
+       {0x3f0b, 0x00},
+       {0x4001, 0x60},
+       {0x4009, 0x05},
+       {0x4020, 0x00},
+       {0x4021, 0x00},
+       {0x4022, 0x00},
+       {0x4023, 0x00},
+       {0x4024, 0x00},
+       {0x4025, 0x00},
+       {0x4026, 0x00},
+       {0x4027, 0x00},
+       {0x4028, 0x00},
+       {0x4029, 0x00},
+       {0x402a, 0x00},
+       {0x402b, 0x00},
+       {0x402c, 0x00},
+       {0x402d, 0x00},
+       {0x402e, 0x00},
+       {0x402f, 0x00},
+       {0x4040, 0x00},
+       {0x4041, 0x03},
+       {0x4042, 0x00},
+       {0x4043, 0x7A},
+       {0x4044, 0x00},
+       {0x4045, 0x7A},
+       {0x4046, 0x00},
+       {0x4047, 0x7A},
+       {0x4048, 0x00},
+       {0x4049, 0x7A},
+       {0x4307, 0x30},
+       {0x4500, 0x58},
+       {0x4501, 0x04},
+       {0x4502, 0x40},
+       {0x4503, 0x10},
+       {0x4508, 0x55},
+       {0x4509, 0x55},
+       {0x450a, 0x02},
+       {0x450b, 0x00},
+       {0x4600, 0x00},
+       {0x4601, 0x40},
+       {0x4700, 0xa4},
+       {0x4800, 0x4c},
+       {0x4816, 0x53},
+       {0x481f, 0x40},
+       {0x4837, 0x13},
+       {0x5000, 0x56},
+       {0x5001, 0x01},
+       {0x5002, 0x28},
+       {0x5004, 0x0c},
+       {0x5006, 0x0c},
+       {0x5007, 0xe0},
+       {0x5008, 0x01},
+       {0x5009, 0xb0},
+       {0x5901, 0x00},
+       {0x5a01, 0x00},
+       {0x5a03, 0x00},
+       {0x5a04, 0x0c},
+       {0x5a05, 0xe0},
+       {0x5a06, 0x09},
+       {0x5a07, 0xb0},
+       {0x5a08, 0x06},
+       {0x5e00, 0x00},
+       {0x3734, 0x40},
+       {0x5b00, 0x01},
+       {0x5b01, 0x10},
+       {0x5b02, 0x01},
+       {0x5b03, 0xdb},
+       {0x3d8c, 0x71},
+       {0x3d8d, 0xea},
+       {0x4017, 0x10},
+       {0x3618, 0x2a},
+       {0x5780, 0x3e},
+       {0x5781, 0x0f},
+       {0x5782, 0x44},
+       {0x5783, 0x02},
+       {0x5784, 0x01},
+       {0x5785, 0x01},
+       {0x5786, 0x00},
+       {0x5787, 0x04},
+       {0x5788, 0x02},
+       {0x5789, 0x0f},
+       {0x578a, 0xfd},
+       {0x578b, 0xf5},
+       {0x578c, 0xf5},
+       {0x578d, 0x03},
+       {0x578e, 0x08},
+       {0x578f, 0x0c},
+       {0x5790, 0x08},
+       {0x5791, 0x06},
+       {0x5792, 0x00},
+       {0x5793, 0x52},
+       {0x5794, 0xa3},
+       {0x3503, 0x00}
+};
+
+static const char * const ov5670_test_pattern_menu[] = {
+       "Disabled",
+       "Vertical Color Bar Type 1",
+};
+
+/* Supported link frequencies */
+#define OV5670_LINK_FREQ_420MHZ                420000000
+#define OV5670_LINK_FREQ_420MHZ_INDEX  0
+static const struct ov5670_link_freq_config link_freq_configs[] = {
+       {
+               /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
+               .pixel_rate = (OV5670_LINK_FREQ_420MHZ * 2 * 2) / 10,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
+                       .regs = mipi_data_rate_840mbps,
+               }
+       }
+};
+
+static const s64 link_freq_menu_items[] = {
+       OV5670_LINK_FREQ_420MHZ
+};
+
+/*
+ * OV5670 sensor supports following resolutions with full FOV:
+ * 4:3  ==> {2592x1944, 1296x972, 648x486}
+ * 16:9 ==> {2560x1440, 1280x720, 640x360}
+ */
+static const struct ov5670_mode supported_modes[] = {
+       {
+               .width = 2592,
+               .height = 1944,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
+                       .regs = mode_2592x1944_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       },
+       {
+               .width = 1296,
+               .height = 972,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
+                       .regs = mode_1296x972_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       },
+       {
+               .width = 648,
+               .height = 486,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
+                       .regs = mode_648x486_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       },
+       {
+               .width = 2560,
+               .height = 1440,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
+                       .regs = mode_2560x1440_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       },
+       {
+               .width = 1280,
+               .height = 720,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
+                       .regs = mode_1280x720_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       },
+       {
+               .width = 640,
+               .height = 360,
+               .vts = OV5670_VTS_30FPS,
+               .reg_list = {
+                       .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
+                       .regs = mode_640x360_regs,
+               },
+               .link_freq_index = OV5670_LINK_FREQ_420MHZ_INDEX,
+       }
+};
+
+struct ov5670 {
+       struct v4l2_subdev sd;
+       struct media_pad pad;
+
+       struct v4l2_ctrl_handler ctrl_handler;
+       /* V4L2 Controls */
+       struct v4l2_ctrl *link_freq;
+       struct v4l2_ctrl *pixel_rate;
+       struct v4l2_ctrl *vblank;
+       struct v4l2_ctrl *hblank;
+       struct v4l2_ctrl *exposure;
+
+       /* Current mode */
+       const struct ov5670_mode *cur_mode;
+
+       /* To serialize asynchronus callbacks */
+       struct mutex mutex;
+
+       /* Streaming on/off */
+       bool streaming;
+};
+
+#define to_ov5670(_sd) container_of(_sd, struct ov5670, sd)
+
+/* Read registers up to 4 at a time */
+static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
+                          u32 *val)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       struct i2c_msg msgs[2];
+       u8 *data_be_p;
+       u32 data_be = 0;
+       u16 reg_addr_be = cpu_to_be16(reg);
+       int ret;
+
+       if (len > 4)
+               return -EINVAL;
+
+       data_be_p = (u8 *)&data_be;
+       /* Write register address */
+       msgs[0].addr = client->addr;
+       msgs[0].flags = 0;
+       msgs[0].len = 2;
+       msgs[0].buf = (u8 *)&reg_addr_be;
+
+       /* Read data from register */
+       msgs[1].addr = client->addr;
+       msgs[1].flags = I2C_M_RD;
+       msgs[1].len = len;
+       msgs[1].buf = &data_be_p[4 - len];
+
+       ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+       if (ret != ARRAY_SIZE(msgs))
+               return -EIO;
+
+       *val = be32_to_cpu(data_be);
+
+       return 0;
+}
+
+/* Write registers up to 4 at a time */
+static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
+                           u32 val)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       int buf_i;
+       int val_i;
+       u8 buf[6];
+       u8 *val_p;
+
+       if (len > 4)
+               return -EINVAL;
+
+       buf[0] = reg >> 8;
+       buf[1] = reg & 0xff;
+
+       val = cpu_to_be32(val);
+       val_p = (u8 *)&val;
+       buf_i = 2;
+       val_i = 4 - len;
+
+       while (val_i < 4)
+               buf[buf_i++] = val_p[val_i++];
+
+       if (i2c_master_send(client, buf, len + 2) != len + 2)
+               return -EIO;
+
+       return 0;
+}
+
+/* Write a list of registers */
+static int ov5670_write_regs(struct ov5670 *ov5670,
+                            const struct ov5670_reg *regs, unsigned int len)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       unsigned int i;
+       int ret;
+
+       for (i = 0; i < len; i++) {
+               ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
+               if (ret) {
+                       dev_err_ratelimited(
+                               &client->dev,
+                               "Failed to write reg 0x%4.4x. error = %d\n",
+                               regs[i].address, ret);
+
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
+static int ov5670_write_reg_list(struct ov5670 *ov5670,
+                                const struct ov5670_reg_list *r_list)
+{
+       return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
+}
+
+/* Open sub-device */
+static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
+{
+       struct ov5670 *ov5670 = to_ov5670(sd);
+       struct v4l2_mbus_framefmt *try_fmt =
+                               v4l2_subdev_get_try_format(sd, fh->pad, 0);
+
+       mutex_lock(&ov5670->mutex);
+
+       /* Initialize try_fmt */
+       try_fmt->width = ov5670->cur_mode->width;
+       try_fmt->height = ov5670->cur_mode->height;
+       try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+       try_fmt->field = V4L2_FIELD_NONE;
+
+       /* No crop or compose */
+       mutex_unlock(&ov5670->mutex);
+
+       return 0;
+}
+
+static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
+{
+       int ret;
+
+       ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
+                              OV5670_REG_VALUE_16BIT, d_gain);
+       if (ret)
+               return ret;
+
+       ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
+                              OV5670_REG_VALUE_16BIT, d_gain);
+       if (ret)
+               return ret;
+
+       return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
+                               OV5670_REG_VALUE_16BIT, d_gain);
+}
+
+static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
+{
+       u32 val;
+       int ret;
+
+       /* Set the bayer order that we support */
+       ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
+                              OV5670_REG_VALUE_08BIT, 0);
+       if (ret)
+               return ret;
+
+       ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
+                             OV5670_REG_VALUE_08BIT, &val);
+       if (ret)
+               return ret;
+
+       if (pattern)
+               val |= OV5670_TEST_PATTERN_ENABLE;
+       else
+               val &= ~OV5670_TEST_PATTERN_ENABLE;
+
+       return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
+                               OV5670_REG_VALUE_08BIT, val);
+}
+
+/* Initialize control handlers */
+static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
+{
+       struct ov5670 *ov5670 = container_of(ctrl->handler,
+                                            struct ov5670, ctrl_handler);
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       s64 max;
+       int ret = 0;
+
+       /* Propagate change of current control to all related controls */
+       switch (ctrl->id) {
+       case V4L2_CID_VBLANK:
+               /* Update max exposure while meeting expected vblanking */
+               max = ov5670->cur_mode->height + ctrl->val - 8;
+               __v4l2_ctrl_modify_range(ov5670->exposure,
+                                        ov5670->exposure->minimum, max,
+                                        ov5670->exposure->step, max);
+               break;
+       }
+
+       /* V4L2 controls values will be applied only when power is already up */
+       if (pm_runtime_get_if_in_use(&client->dev) <= 0)
+               return 0;
+
+       switch (ctrl->id) {
+       case V4L2_CID_ANALOGUE_GAIN:
+               ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
+                                      OV5670_REG_VALUE_16BIT, ctrl->val);
+               break;
+       case V4L2_CID_DIGITAL_GAIN:
+               ret = ov5670_update_digital_gain(ov5670, ctrl->val);
+               break;
+       case V4L2_CID_EXPOSURE:
+               /* 4 least significant bits of expsoure are fractional part */
+               ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
+                                      OV5670_REG_VALUE_24BIT, ctrl->val << 4);
+               break;
+       case V4L2_CID_VBLANK:
+               /* Update VTS that meets expected vertical blanking */
+               ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
+                                      OV5670_REG_VALUE_16BIT,
+                                      ov5670->cur_mode->height + ctrl->val);
+               break;
+       case V4L2_CID_HBLANK:
+               /* Update HTS that meets expected horizontal blanking */
+               ret = ov5670_write_reg(ov5670, OV5670_REG_HTS,
+                                      OV5670_REG_VALUE_16BIT,
+                                      (ov5670->cur_mode->width +
+                                       ctrl->val) / 2);
+               break;
+       case V4L2_CID_TEST_PATTERN:
+               ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
+               break;
+       default:
+               dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
+                        __func__, ctrl->id, ctrl->val);
+               break;
+       };
+
+       pm_runtime_put(&client->dev);
+
+       return ret;
+}
+
+static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
+       .s_ctrl = ov5670_set_ctrl,
+};
+
+/* Initialize control handlers */
+static int ov5670_init_controls(struct ov5670 *ov5670)
+{
+       struct v4l2_ctrl_handler *ctrl_hdlr;
+       s64 vblank_max;
+       s64 vblank_def;
+       s64 exposure_max;
+       int ret;
+
+       ctrl_hdlr = &ov5670->ctrl_handler;
+       ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
+       if (ret)
+               return ret;
+
+       ctrl_hdlr->lock = &ov5670->mutex;
+       ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
+                                                  &ov5670_ctrl_ops,
+                                                  V4L2_CID_LINK_FREQ,
+                                                  0, 0, link_freq_menu_items);
+       ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+       /* By default, V4L2_CID_PIXEL_RATE is read only */
+       ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
+                                              V4L2_CID_PIXEL_RATE, 0,
+                                              link_freq_configs[0].pixel_rate,
+                                              1,
+                                              link_freq_configs[0].pixel_rate);
+
+       vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
+       vblank_def = ov5670->cur_mode->vts - ov5670->cur_mode->height;
+       ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
+                                          V4L2_CID_VBLANK, OV5670_VBLANK_MIN,
+                                          vblank_max, 1, vblank_def);
+
+       ov5670->hblank = v4l2_ctrl_new_std(
+                               ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
+                               OV5670_DEF_PPL - ov5670->cur_mode->width,
+                               OV5670_DEF_PPL - ov5670->cur_mode->width, 1,
+                               OV5670_DEF_PPL - ov5670->cur_mode->width);
+
+       /* Get min, max, step, default from sensor */
+       v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
+                         ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
+                         ANALOG_GAIN_DEFAULT);
+
+       /* Digital gain */
+       v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
+                         OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
+                         OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
+
+       /* Get min, max, step, default from sensor */
+       exposure_max = ov5670->cur_mode->vts - 8;
+       ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
+                                            V4L2_CID_EXPOSURE,
+                                            OV5670_EXPOSURE_MIN,
+                                            exposure_max, OV5670_EXPOSURE_STEP,
+                                            exposure_max);
+
+       v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
+                                    V4L2_CID_TEST_PATTERN,
+                                    ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
+                                    0, 0, ov5670_test_pattern_menu);
+
+       if (ctrl_hdlr->error) {
+               ret = ctrl_hdlr->error;
+               goto error;
+       }
+
+       ov5670->sd.ctrl_handler = ctrl_hdlr;
+
+       return 0;
+
+error:
+       v4l2_ctrl_handler_free(ctrl_hdlr);
+
+       return ret;
+}
+
+static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
+                                struct v4l2_subdev_pad_config *cfg,
+                                struct v4l2_subdev_mbus_code_enum *code)
+{
+       /* Only one bayer order GRBG is supported */
+       if (code->index > 0)
+               return -EINVAL;
+
+       code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+
+       return 0;
+}
+
+static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
+                                 struct v4l2_subdev_pad_config *cfg,
+                                 struct v4l2_subdev_frame_size_enum *fse)
+{
+       if (fse->index >= ARRAY_SIZE(supported_modes))
+               return -EINVAL;
+
+       if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
+               return -EINVAL;
+
+       fse->min_width = supported_modes[fse->index].width;
+       fse->max_width = fse->min_width;
+       fse->min_height = supported_modes[fse->index].height;
+       fse->max_height = fse->min_height;
+
+       return 0;
+}
+
+/* Calculate resolution distance */
+static int ov5670_get_reso_dist(const struct ov5670_mode *mode,
+                               struct v4l2_mbus_framefmt *framefmt)
+{
+       return abs(mode->width - framefmt->width) +
+              abs(mode->height - framefmt->height);
+}
+
+/* Find the closest supported resolution to the requested resolution */
+static const struct ov5670_mode *ov5670_find_best_fit(
+                                               struct ov5670 *ov5670,
+                                               struct v4l2_subdev_format *fmt)
+{
+       struct v4l2_mbus_framefmt *framefmt = &fmt->format;
+       int dist;
+       int cur_best_fit = 0;
+       int cur_best_fit_dist = -1;
+       int i;
+
+       for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
+               dist = ov5670_get_reso_dist(&supported_modes[i], framefmt);
+               if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
+                       cur_best_fit_dist = dist;
+                       cur_best_fit = i;
+               }
+       }
+
+       return &supported_modes[cur_best_fit];
+}
+
+static void ov5670_update_pad_format(const struct ov5670_mode *mode,
+                                    struct v4l2_subdev_format *fmt)
+{
+       fmt->format.width = mode->width;
+       fmt->format.height = mode->height;
+       fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+       fmt->format.field = V4L2_FIELD_NONE;
+}
+
+static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
+                                   struct v4l2_subdev_pad_config *cfg,
+                                   struct v4l2_subdev_format *fmt)
+{
+       if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
+               fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
+                                                         fmt->pad);
+       else
+               ov5670_update_pad_format(ov5670->cur_mode, fmt);
+
+       return 0;
+}
+
+static int ov5670_get_pad_format(struct v4l2_subdev *sd,
+                                struct v4l2_subdev_pad_config *cfg,
+                                struct v4l2_subdev_format *fmt)
+{
+       struct ov5670 *ov5670 = to_ov5670(sd);
+       int ret;
+
+       mutex_lock(&ov5670->mutex);
+       ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
+       mutex_unlock(&ov5670->mutex);
+
+       return ret;
+}
+
+static int ov5670_set_pad_format(struct v4l2_subdev *sd,
+                                struct v4l2_subdev_pad_config *cfg,
+                                struct v4l2_subdev_format *fmt)
+{
+       struct ov5670 *ov5670 = to_ov5670(sd);
+       const struct ov5670_mode *mode;
+       s32 vblank_def;
+       s32 h_blank;
+
+       mutex_lock(&ov5670->mutex);
+
+       fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+
+       mode = ov5670_find_best_fit(ov5670, fmt);
+       ov5670_update_pad_format(mode, fmt);
+       if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
+               *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
+       } else {
+               ov5670->cur_mode = mode;
+               __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
+               __v4l2_ctrl_s_ctrl_int64(
+                       ov5670->pixel_rate,
+                       link_freq_configs[mode->link_freq_index].pixel_rate);
+               /* Update limits and set FPS to default */
+               vblank_def = ov5670->cur_mode->vts - ov5670->cur_mode->height;
+               __v4l2_ctrl_modify_range(
+                       ov5670->vblank, OV5670_VBLANK_MIN,
+                       OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
+                       vblank_def);
+               __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
+               h_blank = OV5670_DEF_PPL - ov5670->cur_mode->width;
+               __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
+                                        h_blank);
+       }
+
+       mutex_unlock(&ov5670->mutex);
+
+       return 0;
+}
+
+static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
+{
+       *frames = OV5670_NUM_OF_SKIP_FRAMES;
+
+       return 0;
+}
+
+/* Prepare streaming by writing default values and customized values */
+static int ov5670_start_streaming(struct ov5670 *ov5670)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       const struct ov5670_reg_list *reg_list;
+       int link_freq_index;
+       int ret;
+
+       /* Get out of from software reset */
+       ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
+                              OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
+       if (ret) {
+               dev_err(&client->dev, "%s failed to set powerup registers\n",
+                       __func__);
+               return ret;
+       }
+
+       /* Setup PLL */
+       link_freq_index = ov5670->cur_mode->link_freq_index;
+       reg_list = &link_freq_configs[link_freq_index].reg_list;
+       ret = ov5670_write_reg_list(ov5670, reg_list);
+       if (ret) {
+               dev_err(&client->dev, "%s failed to set plls\n", __func__);
+               return ret;
+       }
+
+       /* Apply default values of current mode */
+       reg_list = &ov5670->cur_mode->reg_list;
+       ret = ov5670_write_reg_list(ov5670, reg_list);
+       if (ret) {
+               dev_err(&client->dev, "%s failed to set mode\n", __func__);
+               return ret;
+       }
+
+       ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
+       if (ret)
+               return ret;
+
+       /* Write stream on list */
+       ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
+                              OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
+       if (ret) {
+               dev_err(&client->dev, "%s failed to set stream\n", __func__);
+               return ret;
+       }
+
+       ov5670->streaming = true;
+
+       return 0;
+}
+
+static int ov5670_stop_streaming(struct ov5670 *ov5670)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       int ret;
+
+       ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
+                              OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
+       if (ret)
+               dev_err(&client->dev, "%s failed to set stream\n", __func__);
+
+       ov5670->streaming = false;
+
+       /* Return success even if it was an error, as there is nothing the
+        * caller can do about it.
+        */
+       return 0;
+}
+
+static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
+{
+       struct ov5670 *ov5670 = to_ov5670(sd);
+       struct i2c_client *client = v4l2_get_subdevdata(sd);
+       int ret = 0;
+
+       mutex_lock(&ov5670->mutex);
+       if (ov5670->streaming == enable)
+               goto unlock_and_return;
+
+       if (enable) {
+               ret = pm_runtime_get_sync(&client->dev);
+               if (ret < 0) {
+                       pm_runtime_put_noidle(&client->dev);
+                       goto unlock_and_return;
+               }
+
+               ret = ov5670_start_streaming(ov5670);
+               if (ret)
+                       goto error;
+       } else {
+               ret = ov5670_stop_streaming(ov5670);
+               pm_runtime_put(&client->dev);
+       }
+       goto unlock_and_return;
+
+error:
+       pm_runtime_put(&client->dev);
+
+unlock_and_return:
+       mutex_unlock(&ov5670->mutex);
+
+       return ret;
+}
+
+static int __maybe_unused ov5670_suspend(struct device *dev)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+       struct ov5670 *ov5670 = to_ov5670(sd);
+
+       if (ov5670->streaming)
+               ov5670_stop_streaming(ov5670);
+
+       return 0;
+}
+
+static int __maybe_unused ov5670_resume(struct device *dev)
+{
+       struct i2c_client *client = to_i2c_client(dev);
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+       struct ov5670 *ov5670 = to_ov5670(sd);
+       int ret;
+
+       if (ov5670->streaming) {
+               ret = ov5670_start_streaming(ov5670);
+               if (ret) {
+                       ov5670_stop_streaming(ov5670);
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
+/* Verify chip ID */
+static int ov5670_identify_module(struct ov5670 *ov5670)
+{
+       struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
+       int ret;
+       u32 val;
+
+       ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
+                             OV5670_REG_VALUE_24BIT, &val);
+       if (ret)
+               return ret;
+
+       if (val != OV5670_CHIP_ID) {
+               dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+                       OV5670_CHIP_ID, val);
+               return -ENXIO;
+       }
+
+       return 0;
+}
+
+static const struct v4l2_subdev_video_ops ov5670_video_ops = {
+       .s_stream = ov5670_set_stream,
+};
+
+static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
+       .enum_mbus_code = ov5670_enum_mbus_code,
+       .get_fmt = ov5670_get_pad_format,
+       .set_fmt = ov5670_set_pad_format,
+       .enum_frame_size = ov5670_enum_frame_size,
+};
+
+static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
+       .g_skip_frames = ov5670_get_skip_frames,
+};
+
+static const struct v4l2_subdev_ops ov5670_subdev_ops = {
+       .video = &ov5670_video_ops,
+       .pad = &ov5670_pad_ops,
+       .sensor = &ov5670_sensor_ops,
+};
+
+static const struct media_entity_operations ov5670_subdev_entity_ops = {
+       .link_validate = v4l2_subdev_link_validate,
+};
+
+static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
+       .open = ov5670_open,
+};
+
+static int ov5670_probe(struct i2c_client *client)
+{
+       struct ov5670 *ov5670;
+       const char *err_msg;
+       u32 input_clk = 0;
+       int ret;
+
+       device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
+       if (input_clk != 19200000)
+               return -EINVAL;
+
+       ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
+       if (!ov5670) {
+               ret = -ENOMEM;
+               err_msg = "devm_kzalloc() error";
+               goto error_print;
+       }
+
+       /* Initialize subdev */
+       v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
+
+       /* Check module identity */
+       ret = ov5670_identify_module(ov5670);
+       if (ret) {
+               err_msg = "ov5670_identify_module() error";
+               goto error_print;
+       }
+
+       mutex_init(&ov5670->mutex);
+
+       /* Set default mode to max resolution */
+       ov5670->cur_mode = &supported_modes[0];
+
+       ret = ov5670_init_controls(ov5670);
+       if (ret) {
+               err_msg = "ov5670_init_controls() error";
+               goto error_mutex_destroy;
+       }
+
+       ov5670->sd.internal_ops = &ov5670_internal_ops;
+       ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+       ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
+       ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+       /* Source pad initialization */
+       ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
+       ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
+       if (ret) {
+               err_msg = "media_entity_pads_init() error";
+               goto error_handler_free;
+       }
+
+       /* Async register for subdev */
+       ret = v4l2_async_register_subdev(&ov5670->sd);
+       if (ret < 0) {
+               err_msg = "v4l2_async_register_subdev() error";
+               goto error_entity_cleanup;
+       }
+
+       ov5670->streaming = false;
+
+       /*
+        * Device is already turned on by i2c-core with ACPI domain PM.
+        * Enable runtime PM and turn off the device.
+        */
+       pm_runtime_get_noresume(&client->dev);
+       pm_runtime_set_active(&client->dev);
+       pm_runtime_enable(&client->dev);
+       pm_runtime_put(&client->dev);
+
+       return 0;
+
+error_entity_cleanup:
+       media_entity_cleanup(&ov5670->sd.entity);
+
+error_handler_free:
+       v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
+
+error_mutex_destroy:
+       mutex_destroy(&ov5670->mutex);
+
+error_print:
+       dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
+
+       return ret;
+}
+
+static int ov5670_remove(struct i2c_client *client)
+{
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+       struct ov5670 *ov5670 = to_ov5670(sd);
+
+       v4l2_async_unregister_subdev(sd);
+       media_entity_cleanup(&sd->entity);
+       v4l2_ctrl_handler_free(sd->ctrl_handler);
+       mutex_destroy(&ov5670->mutex);
+
+       /*
+        * Disable runtime PM but keep the device turned on.
+        * i2c-core with ACPI domain PM will turn off the device.
+        */
+       pm_runtime_get_sync(&client->dev);
+       pm_runtime_disable(&client->dev);
+       pm_runtime_set_suspended(&client->dev);
+       pm_runtime_put_noidle(&client->dev);
+
+       return 0;
+}
+
+static const struct dev_pm_ops ov5670_pm_ops = {
+       SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
+};
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id ov5670_acpi_ids[] = {
+       {"INT3479"},
+       { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
+#endif
+
+static struct i2c_driver ov5670_i2c_driver = {
+       .driver = {
+               .name = "ov5670",
+               .pm = &ov5670_pm_ops,
+               .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
+       },
+       .probe_new = ov5670_probe,
+       .remove = ov5670_remove,
+};
+
+module_i2c_driver(ov5670_i2c_driver);
+
+MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rap...@intel.com>");
+MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.y...@intel.com>");
+MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

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