cregit-Linux how code gets into the kernel

Release 4.16 drivers/media/i2c/ov5670.c

/*
 * 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

/* horizontal-timings from sensor */

#define OV5670_REG_HTS			0x380c

/*
 * Pixels-per-line(PPL) = Time-per-line * pixel-rate
 * In OV5670, Time-per-line = HTS/SCLK.
 * HTS is fixed for all resolutions, not recommended to change.
 */

#define OV5670_FIXED_PPL		2724	
/* 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;

	/* Default vertical timining size */
	
u32 vts_def;

	/* Min vertical timining size */
	
u32 vts_min;

	/* 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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


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},
	{0x5045, 0x05},
	{0x4003, 0x40},
	{0x5048, 0x40}
};


static const char * const ov5670_test_pattern_menu[] = {
	"Disabled",
	"Vertical Color Bar Type 1",
};

/* Supported link frequencies */

#define OV5670_LINK_FREQ_422MHZ		422400000

#define OV5670_LINK_FREQ_422MHZ_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_422MHZ * 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_422MHZ
};

/*
 * 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_def = OV5670_VTS_30FPS,
		.vts_min = OV5670_VTS_30FPS,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
			.regs = mode_2592x1944_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
        },
	{
		.width = 1296,
		.height = 972,
		.vts_def = OV5670_VTS_30FPS,
		.vts_min = 996,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
			.regs = mode_1296x972_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
        },
	{
		.width = 648,
		.height = 486,
		.vts_def = OV5670_VTS_30FPS,
		.vts_min = 516,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_648x486_regs),
			.regs = mode_648x486_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
        },
	{
		.width = 2560,
		.height = 1440,
		.vts_def = OV5670_VTS_30FPS,
		.vts_min = OV5670_VTS_30FPS,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
			.regs = mode_2560x1440_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
        },
	{
		.width = 1280,
		.height = 720,
		.vts_def = OV5670_VTS_30FPS,
		.vts_min = 1020,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
			.regs = mode_1280x720_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
        },
	{
		.width = 640,
		.height = 360,
		.vts_def = OV5670_VTS_30FPS,
		.vts_min = 510,
		.reg_list = {
			.num_of_regs = ARRAY_SIZE(mode_640x360_regs),
			.regs = mode_640x360_regs,
                },
		.link_freq_index = OV5670_LINK_FREQ_422MHZ_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; }

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/* 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; }

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Chiranjeevi Rapolu146100.00%1100.00%
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/* 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; }

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Chiranjeevi Rapolu110100.00%1100.00%
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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); }

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Chiranjeevi Rapolu31100.00%1100.00%
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/* 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; }

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Chiranjeevi Rapolu95100.00%1100.00%
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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); }

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Chiranjeevi Rapolu69100.00%1100.00%
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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); }

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Chiranjeevi Rapolu88100.00%1100.00%
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/* 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_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; }

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Chiranjeevi Rapolu254100.00%1100.00%
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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 vblank_min; 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); if (ov5670->link_freq) 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_def - ov5670->cur_mode->height; vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height; ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_VBLANK, vblank_min, vblank_max, 1, vblank_def); ov5670->hblank = v4l2_ctrl_new_std( ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK, OV5670_FIXED_PPL - ov5670->cur_mode->width, OV5670_FIXED_PPL - ov5670->cur_mode->width, 1, OV5670_FIXED_PPL - ov5670->cur_mode->width); if (ov5670->hblank) ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* 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_def - 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; }

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Chiranjeevi Rapolu376100.00%3100.00%
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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; }

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Chiranjeevi Rapolu43100.00%1100.00%
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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; }

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Chiranjeevi Rapolu93100.00%1100.00%
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/* 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); }

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Chiranjeevi Rapolu40100.00%1100.00%
Total40100.00%1100.00%

/* 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]; }

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Chiranjeevi Rapolu105100.00%1100.00%
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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; }

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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; }

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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; }

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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_def - ov5670->cur_mode->height; __v4l2_ctrl_modify_range( ov5670->vblank, ov5670->cur_mode->vts_min - ov5670->cur_mode->height, OV5670_VTS_MAX - ov5670->cur_mode->height, 1, vblank_def); __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def); h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width; __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1, h_blank); } mutex_unlock(&ov5670->mutex); return 0; }

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Chiranjeevi Rapolu228100.00%3100.00%
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static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames) { *frames = OV5670_NUM_OF_SKIP_FRAMES; return 0; }

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Chiranjeevi Rapolu23100.00%1100.00%
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/* 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; } return 0; }

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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__); /* Return success even if it was an error, as there is nothing the * caller can do about it. */ return 0; }

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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); } ov5670->streaming = enable; goto unlock_and_return; error: pm_runtime_put(&client->dev); unlock_and_return: mutex_unlock(&ov5670->mutex); return ret; }

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Chiranjeevi Rapolu157100.00%2100.00%
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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; }

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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; }

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/* 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; }

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Chiranjeevi Rapolu80100.00%1100.00%
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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_sensor_common(&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; }

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Total364100.00%2100.00%


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; }

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Chiranjeevi Rapolu95100.00%1100.00%
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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.rapolu@intel.com>"); MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>"); MODULE_DESCRIPTION("Omnivision ov5670 sensor driver"); MODULE_LICENSE("GPL v2");

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Sakari Ailus10.01%116.67%
Total13704100.00%6100.00%
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