From 5de35c9b8dcd10dcedba2917e2ab4c1f3ca28dc6 Mon Sep 17 00:00:00 2001 From: Chiranjeevi Rapolu Date: Thu, 13 Jul 2017 21:51:27 -0400 Subject: media: i2c: Add Omnivision OV5670 5M sensor support 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 [mchehab@s-opensource.com: fix a trivial merge conflict at Makefile] Signed-off-by: Chiranjeevi Rapolu Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/Kconfig | 12 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/ov5670.c | 2588 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 2601 insertions(+) create mode 100644 drivers/media/i2c/ov5670.c diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 6add6ad53afe..b64c4ebd65eb 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -604,6 +604,18 @@ config VIDEO_OV6650 To compile this driver as a module, choose M here: the module will be called ov6650. +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 aefb3bcb1e81..84673c79e01a 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_OV6650) += ov6650.o obj-$(CONFIG_VIDEO_OV7640) += ov7640.o obj-$(CONFIG_VIDEO_OV7670) += ov7670.o diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c new file mode 100644 index 000000000000..7de80645dd6f --- /dev/null +++ b/drivers/media/i2c/ov5670.c @@ -0,0 +1,2588 @@ +/* + * 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 +#include +#include +#include +#include +#include + +#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 *)®_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); + 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 - 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 "); +MODULE_AUTHOR("Yang, Hyungwoo "); +MODULE_DESCRIPTION("Omnivision ov5670 sensor driver"); +MODULE_LICENSE("GPL v2"); -- cgit