This driver is based on ov5640_mipi.c from Freescale imx_3.10.17_1.0.0_beta branch, modified heavily to bring forward to latest interfaces and code cleanup. Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx> --- drivers/staging/media/imx/Kconfig | 8 + drivers/staging/media/imx/Makefile | 2 + drivers/staging/media/imx/ov5640-mipi.c | 2349 +++++++++++++++++++++++++++++++ 3 files changed, 2359 insertions(+) create mode 100644 drivers/staging/media/imx/ov5640-mipi.c diff --git a/drivers/staging/media/imx/Kconfig b/drivers/staging/media/imx/Kconfig index ce2d2c8..09f373d 100644 --- a/drivers/staging/media/imx/Kconfig +++ b/drivers/staging/media/imx/Kconfig @@ -17,5 +17,13 @@ config VIDEO_IMX_CAMERA ---help--- A video4linux camera capture driver for i.MX5/6. +config IMX_OV5640_MIPI + tristate "OmniVision OV5640 MIPI CSI-2 camera support" + depends on GPIOLIB && VIDEO_IMX_CAMERA + select IMX_MIPI_CSI2 + default y + ---help--- + MIPI CSI-2 OV5640 Camera support. + endmenu endif diff --git a/drivers/staging/media/imx/Makefile b/drivers/staging/media/imx/Makefile index e3d6d8d..f96e623 100644 --- a/drivers/staging/media/imx/Makefile +++ b/drivers/staging/media/imx/Makefile @@ -11,3 +11,5 @@ obj-$(CONFIG_VIDEO_IMX_CAMERA) += imx-smfc.o obj-$(CONFIG_VIDEO_IMX_CAMERA) += imx-camif.o obj-$(CONFIG_VIDEO_IMX_CAMERA) += imx-mipi-csi2.o obj-$(CONFIG_VIDEO_IMX_CAMERA) += imx-video-switch.o + +obj-$(CONFIG_IMX_OV5640_MIPI) += ov5640-mipi.o diff --git a/drivers/staging/media/imx/ov5640-mipi.c b/drivers/staging/media/imx/ov5640-mipi.c new file mode 100644 index 0000000..a83b581 --- /dev/null +++ b/drivers/staging/media/imx/ov5640-mipi.c @@ -0,0 +1,2349 @@ +/* + * Copyright (c) 2014 Mentor Graphics Inc. + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/ctype.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/i2c.h> +#include <linux/of_device.h> +#include <linux/gpio/consumer.h> +#include <linux/regulator/consumer.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <media/v4l2-device.h> +#include <media/v4l2-subdev.h> +#include <media/v4l2-async.h> +#include <media/v4l2-of.h> +#include <media/v4l2-ctrls.h> + +#define OV5640_VOLTAGE_ANALOG 2800000 +#define OV5640_VOLTAGE_DIGITAL_CORE 1500000 +#define OV5640_VOLTAGE_DIGITAL_IO 1800000 + +#define MIN_FPS 15 +#define MAX_FPS 30 +#define DEFAULT_FPS 30 + +/* min/typical/max system clock (xclk) frequencies */ +#define OV5640_XCLK_MIN 6000000 +#define OV5640_XCLK_TYP 24000000 +#define OV5640_XCLK_MAX 54000000 + +/* min/typical/max pixel clock (mclk) frequencies */ +#define OV5640_MCLK_MIN 48000000 +#define OV5640_MCLK_TYP 48000000 +#define OV5640_MCLK_MAX 96000000 + +#define OV5640_CHIP_ID 0x300A +#define OV5640_SLAVE_ID 0x3100 +#define OV5640_DEFAULT_SLAVE_ID 0x3c + +#define OV5640_MAX_CONTROLS 64 + +enum ov5640_mode { + ov5640_mode_MIN = 0, + ov5640_mode_QCIF_176_144 = 0, + ov5640_mode_QVGA_320_240, + ov5640_mode_VGA_640_480, + ov5640_mode_NTSC_720_480, + ov5640_mode_PAL_720_576, + ov5640_mode_XGA_1024_768, + ov5640_mode_720P_1280_720, + ov5640_mode_1080P_1920_1080, + ov5640_mode_QSXGA_2592_1944, + ov5640_num_modes, + ov5640_mode_INIT = 0xff, /*only for sensor init*/ +}; + +enum ov5640_frame_rate { + ov5640_15_fps, + ov5640_30_fps +}; + +static int ov5640_framerates[] = { + [ov5640_15_fps] = 15, + [ov5640_30_fps] = 30, +}; +#define ov5640_num_framerates ARRAY_SIZE(ov5640_framerates) + +/* image size under 1280 * 960 are SUBSAMPLING + * image size upper 1280 * 960 are SCALING + */ +enum ov5640_downsize_mode { + SUBSAMPLING, + SCALING, +}; + +struct reg_value { + u16 reg_addr; + u8 val; + u8 mask; + u32 delay_ms; +}; + +struct ov5640_mode_info { + enum ov5640_mode mode; + enum ov5640_downsize_mode dn_mode; + u32 width; + u32 height; + struct reg_value *init_data_ptr; + u32 init_data_size; +}; + +struct ov5640_dev { + struct i2c_client *i2c_client; + struct device *dev; + struct v4l2_subdev sd; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_hdl; + struct v4l2_of_endpoint ep; /* the parsed DT endpoint info */ + struct v4l2_mbus_framefmt fmt; + struct v4l2_captureparm streamcap; + struct clk *xclk; /* system clock to OV5640 */ + int xclk_freq; /* requested xclk freq from devicetree */ + + enum ov5640_mode current_mode; + enum ov5640_frame_rate current_fr; + + bool on; + bool awb_on; + bool agc_on; + + /* cached control settings */ + int ctrl_cache[OV5640_MAX_CONTROLS]; + + struct gpio_desc *reset_gpio; + struct gpio_desc *pwdn_gpio; + struct gpio_desc *gp_gpio; + + int prev_sysclk, prev_hts; + int ae_low, ae_high, ae_target; + + struct regulator *io_regulator; + struct regulator *core_regulator; + struct regulator *analog_regulator; + struct regulator *gpo_regulator; +}; + +static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) +{ + return container_of(sd, struct ov5640_dev, sd); +} + +static inline struct ov5640_dev *ctrl_to_ov5640_dev(struct v4l2_ctrl *ctrl) +{ + return container_of(ctrl->handler, struct ov5640_dev, ctrl_hdl); +} + +struct ov5640_control { + struct v4l2_queryctrl ctrl; + int (*set)(struct ov5640_dev *sensor, int value); +}; + +static void ov5640_power(struct ov5640_dev *sensor, bool enable); +static void ov5640_reset(struct ov5640_dev *sensor); +static int ov5640_restore_ctrls(struct ov5640_dev *sensor); +static int ov5640_set_agc(struct ov5640_dev *sensor, int value); +static int ov5640_set_exposure(struct ov5640_dev *sensor, int value); +static int ov5640_get_exposure(struct ov5640_dev *sensor); +static int ov5640_set_gain(struct ov5640_dev *sensor, int value); +static int ov5640_get_gain(struct ov5640_dev *sensor); + +static struct reg_value ov5640_init_setting_30fps_VGA[] = { + + {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0}, + {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0}, + {0x3034, 0x18, 0, 0}, {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, + {0x3037, 0x13, 0, 0}, {0x3108, 0x01, 0, 0}, {0x3630, 0x36, 0, 0}, + {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, + {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, + {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, + {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, + {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, + {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, + {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, + {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, + {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, + {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, + {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, + {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, + {0x300e, 0x45, 0, 0}, {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, + {0x501f, 0x00, 0, 0}, {0x4713, 0x03, 0, 0}, {0x4407, 0x04, 0, 0}, + {0x440e, 0x00, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x4837, 0x0a, 0, 0}, {0x4800, 0x04, 0, 0}, {0x3824, 0x02, 0, 0}, + {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, + {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, + {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, + {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, + {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, + {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, + {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, + {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, + {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, + {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, + {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, + {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, + {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, + {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, + {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, + {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, + {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, + {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, + {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, + {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, + {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, + {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, + {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, + {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, + {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, + {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, + {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, + {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, + {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, + {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, + {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, + {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, + {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, + {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, + {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, + {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, + {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, + {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, + {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, + {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, + {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, + {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, + {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, + {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, + {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, + {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, + {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, + {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, + {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, + {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, +}; + +static struct reg_value ov5640_setting_30fps_VGA_640_480[] = { + + {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_VGA_640_480[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_XGA_1024_768[] = { + + {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x04, 0, 0}, {0x380f, 0x38, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x0e, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3503, 0x00, 0, 0}, + {0x3808, 0x04, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, + {0x380b, 0x00, 0, 0}, {0x3035, 0x12, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_XGA_1024_768[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0x80, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x3808, 0x04, 0, 0}, + {0x3809, 0x00, 0, 0}, {0x380a, 0x03, 0, 0}, {0x380b, 0x00, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_QVGA_320_240[] = { + {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0}, + {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_QVGA_320_240[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0}, + {0x380b, 0xf0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_QCIF_176_144[] = { + {0x3035, 0x14, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0}, + {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; +static struct reg_value ov5640_setting_15fps_QCIF_176_144[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x00, 0, 0}, {0x3809, 0xb0, 0, 0}, {0x380a, 0x00, 0, 0}, + {0x380b, 0x90, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_NTSC_720_480[] = { + {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_NTSC_720_480[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x01, 0, 0}, + {0x380b, 0xe0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x3c, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_PAL_720_576[] = { + {0x3035, 0x12, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0}, + {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_PAL_720_576[] = { + {0x3035, 0x22, 0, 0}, {0x3036, 0x38, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x04, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9b, 0, 0}, + {0x3808, 0x02, 0, 0}, {0x3809, 0xd0, 0, 0}, {0x380a, 0x02, 0, 0}, + {0x380b, 0x40, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x68, 0, 0}, + {0x380e, 0x03, 0, 0}, {0x380f, 0xd8, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x38, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x06, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_720P_1280_720[] = { + {0x3008, 0x42, 0, 0}, + {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, + {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0}, + {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0}, + {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, + {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, + {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, + {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, + {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, {0x4005, 0x1a, 0, 0}, + {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_720P_1280_720[] = { + {0x3035, 0x41, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, + {0x3815, 0x31, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0xfa, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x06, 0, 0}, {0x3807, 0xa9, 0, 0}, + {0x3808, 0x05, 0, 0}, {0x3809, 0x00, 0, 0}, {0x380a, 0x02, 0, 0}, + {0x380b, 0xd0, 0, 0}, {0x380c, 0x07, 0, 0}, {0x380d, 0x64, 0, 0}, + {0x380e, 0x02, 0, 0}, {0x380f, 0xe4, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, + {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, + {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, + {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, + {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x4713, 0x02, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, + {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, +}; + +static struct reg_value ov5640_setting_30fps_1080P_1920_1080[] = { + {0x3008, 0x42, 0, 0}, + {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, + {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, + {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, + {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, + {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, + {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x11, 0, 0}, + {0x3036, 0x54, 0, 0}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, + {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, + {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0}, + {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0}, + {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0}, + {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, + {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, + {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, + {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, + {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, + {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, + {0x3503, 0, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_1080P_1920_1080[] = { + {0x3008, 0x42, 0, 0}, + {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, + {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, + {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, + {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, + {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, + {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, {0x3035, 0x21, 0, 0}, + {0x3036, 0x54, 0, 1}, {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3800, 0x01, 0, 0}, {0x3801, 0x50, 0, 0}, {0x3802, 0x01, 0, 0}, + {0x3803, 0xb2, 0, 0}, {0x3804, 0x08, 0, 0}, {0x3805, 0xef, 0, 0}, + {0x3806, 0x05, 0, 0}, {0x3807, 0xf1, 0, 0}, {0x3808, 0x07, 0, 0}, + {0x3809, 0x80, 0, 0}, {0x380a, 0x04, 0, 0}, {0x380b, 0x38, 0, 0}, + {0x380c, 0x09, 0, 0}, {0x380d, 0xc4, 0, 0}, {0x380e, 0x04, 0, 0}, + {0x380f, 0x60, 0, 0}, {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, + {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, + {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, + {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, + {0x3a15, 0x60, 0, 0}, {0x4713, 0x02, 0, 0}, {0x4407, 0x04, 0, 0}, + {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, + {0x4005, 0x1a, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3503, 0, 0, 0}, +}; + +static struct reg_value ov5640_setting_15fps_QSXGA_2592_1944[] = { + {0x4202, 0x0f, 0, 0}, /* stream off the sensor */ + {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, /*disable flip*/ + {0x3035, 0x21, 0, 0}, {0x3036, 0x54, 0, 0}, {0x3c07, 0x08, 0, 0}, + {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, + {0x3820, 0x40, 0, 0}, {0x3821, 0x06, 0, 0}, {0x3814, 0x11, 0, 0}, + {0x3815, 0x11, 0, 0}, {0x3800, 0x00, 0, 0}, {0x3801, 0x00, 0, 0}, + {0x3802, 0x00, 0, 0}, {0x3803, 0x00, 0, 0}, {0x3804, 0x0a, 0, 0}, + {0x3805, 0x3f, 0, 0}, {0x3806, 0x07, 0, 0}, {0x3807, 0x9f, 0, 0}, + {0x3808, 0x0a, 0, 0}, {0x3809, 0x20, 0, 0}, {0x380a, 0x07, 0, 0}, + {0x380b, 0x98, 0, 0}, {0x380c, 0x0b, 0, 0}, {0x380d, 0x1c, 0, 0}, + {0x380e, 0x07, 0, 0}, {0x380f, 0xb0, 0, 0}, {0x3810, 0x00, 0, 0}, + {0x3811, 0x10, 0, 0}, {0x3812, 0x00, 0, 0}, {0x3813, 0x04, 0, 0}, + {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, + {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, + {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, + {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, + {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, + {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, {0x4713, 0x03, 0, 0}, + {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, + {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, + {0x4202, 0x00, 0, 0}, /* stream on the sensor */ +}; + +static struct ov5640_mode_info +ov5640_mode_info_data[ov5640_num_framerates][ov5640_num_modes] = { + { + {ov5640_mode_QCIF_176_144, SUBSAMPLING, 176, 144, + ov5640_setting_15fps_QCIF_176_144, + ARRAY_SIZE(ov5640_setting_15fps_QCIF_176_144)}, + {ov5640_mode_QVGA_320_240, SUBSAMPLING, 320, 240, + ov5640_setting_15fps_QVGA_320_240, + ARRAY_SIZE(ov5640_setting_15fps_QVGA_320_240)}, + {ov5640_mode_VGA_640_480, SUBSAMPLING, 640, 480, + ov5640_setting_15fps_VGA_640_480, + ARRAY_SIZE(ov5640_setting_15fps_VGA_640_480)}, + {ov5640_mode_NTSC_720_480, SUBSAMPLING, 720, 480, + ov5640_setting_15fps_NTSC_720_480, + ARRAY_SIZE(ov5640_setting_15fps_NTSC_720_480)}, + {ov5640_mode_PAL_720_576, SUBSAMPLING, 720, 576, + ov5640_setting_15fps_PAL_720_576, + ARRAY_SIZE(ov5640_setting_15fps_PAL_720_576)}, + {ov5640_mode_XGA_1024_768, SUBSAMPLING, 1024, 768, + ov5640_setting_15fps_XGA_1024_768, + ARRAY_SIZE(ov5640_setting_15fps_XGA_1024_768)}, + {ov5640_mode_720P_1280_720, SUBSAMPLING, 1280, 720, + ov5640_setting_15fps_720P_1280_720, + ARRAY_SIZE(ov5640_setting_15fps_720P_1280_720)}, + {ov5640_mode_1080P_1920_1080, SCALING, 1920, 1080, + ov5640_setting_15fps_1080P_1920_1080, + ARRAY_SIZE(ov5640_setting_15fps_1080P_1920_1080)}, + {ov5640_mode_QSXGA_2592_1944, SCALING, 2592, 1944, + ov5640_setting_15fps_QSXGA_2592_1944, + ARRAY_SIZE(ov5640_setting_15fps_QSXGA_2592_1944)}, + }, { + {ov5640_mode_QCIF_176_144, SUBSAMPLING, 176, 144, + ov5640_setting_30fps_QCIF_176_144, + ARRAY_SIZE(ov5640_setting_30fps_QCIF_176_144)}, + {ov5640_mode_QVGA_320_240, SUBSAMPLING, 320, 240, + ov5640_setting_30fps_QVGA_320_240, + ARRAY_SIZE(ov5640_setting_30fps_QVGA_320_240)}, + {ov5640_mode_VGA_640_480, SUBSAMPLING, 640, 480, + ov5640_setting_30fps_VGA_640_480, + ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480)}, + {ov5640_mode_NTSC_720_480, SUBSAMPLING, 720, 480, + ov5640_setting_30fps_NTSC_720_480, + ARRAY_SIZE(ov5640_setting_30fps_NTSC_720_480)}, + {ov5640_mode_PAL_720_576, SUBSAMPLING, 720, 576, + ov5640_setting_30fps_PAL_720_576, + ARRAY_SIZE(ov5640_setting_30fps_PAL_720_576)}, + {ov5640_mode_XGA_1024_768, SUBSAMPLING, 1024, 768, + ov5640_setting_30fps_XGA_1024_768, + ARRAY_SIZE(ov5640_setting_30fps_XGA_1024_768)}, + {ov5640_mode_720P_1280_720, SUBSAMPLING, 1280, 720, + ov5640_setting_30fps_720P_1280_720, + ARRAY_SIZE(ov5640_setting_30fps_720P_1280_720)}, + {ov5640_mode_1080P_1920_1080, SCALING, 1920, 1080, + ov5640_setting_30fps_1080P_1920_1080, + ARRAY_SIZE(ov5640_setting_30fps_1080P_1920_1080)}, + {ov5640_mode_QSXGA_2592_1944, -1, 0, 0, NULL, 0}, + }, +}; + +static int ov5640_probe(struct i2c_client *adapter, + const struct i2c_device_id *device_id); +static int ov5640_remove(struct i2c_client *client); + +static int ov5640_init_slave_id(struct ov5640_dev *sensor) +{ + struct i2c_msg msg; + u8 buf[4]; + int ret; + + if (sensor->i2c_client->addr == OV5640_DEFAULT_SLAVE_ID) + return 0; + + buf[0] = OV5640_SLAVE_ID >> 8; + buf[1] = OV5640_SLAVE_ID & 0xff; + buf[2] = sensor->i2c_client->addr << 1; + msg.addr = OV5640_DEFAULT_SLAVE_ID; + msg.flags = 0; + msg.len = 3; + msg.buf = buf; + + ret = i2c_transfer(sensor->i2c_client->adapter, &msg, 1); + if (ret < 0) { + dev_err(sensor->dev, "%s: failed with %d\n", __func__, ret); + return ret; + } + + return 0; +} + +static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) +{ + u8 buf[3] = {0}; + int ret; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + buf[2] = val; + + ret = i2c_master_send(sensor->i2c_client, buf, 3); + if (ret < 0) { + v4l2_err(&sensor->sd, "%s: error: reg=%x, val=%x\n", + __func__, reg, val); + return ret; + } + + return 0; +} + +static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) +{ + u8 reg_buf[2] = {0}; + u8 read_val = 0; + + reg_buf[0] = reg >> 8; + reg_buf[1] = reg & 0xff; + + if (2 != i2c_master_send(sensor->i2c_client, reg_buf, 2)) { + v4l2_err(&sensor->sd, "%s: write reg error: reg=%x\n", + __func__, reg); + return -EIO; + } + + if (1 != i2c_master_recv(sensor->i2c_client, &read_val, 1)) { + v4l2_err(&sensor->sd, "%s: read reg error: reg=%x, val=%x\n", + __func__, reg, read_val); + return -EIO; + } + + *val = read_val; + return 0; +} + +#define OV5640_READ_REG(s, r, v) { \ + ret = ov5640_read_reg((s), (r), (v)); \ + if (ret) \ + return ret; \ + } +#define OV5640_WRITE_REG(s, r, v) { \ + ret = ov5640_write_reg((s), (r), (v)); \ + if (ret) \ + return ret; \ + } + +static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) +{ + u8 hi, lo; + int ret; + + OV5640_READ_REG(sensor, reg, &hi); + OV5640_READ_REG(sensor, reg+1, &lo); + + *val = ((u16)hi << 8) | (u16)lo; + return 0; +} +#define OV5640_READ_REG16(s, r, v) { \ + ret = ov5640_read_reg16((s), (r), (v)); \ + if (ret) \ + return ret; \ + } + +static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) +{ + int ret; + + OV5640_WRITE_REG(sensor, reg, val >> 8); + OV5640_WRITE_REG(sensor, reg+1, val & 0xff); + return 0; +} +#define OV5640_WRITE_REG16(s, r, v) { \ + ret = ov5640_write_reg16((s), (r), (v)); \ + if (ret) \ + return ret; \ + } + +static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, + u8 mask, u8 val) +{ + u8 readval; + int ret; + + OV5640_READ_REG(sensor, reg, &readval); + + readval &= ~mask; + val &= mask; + val |= readval; + + OV5640_WRITE_REG(sensor, reg, val); + return 0; +} +#define OV5640_MOD_REG(s, r, m, v) { \ + ret = ov5640_mod_reg((s), (r), (m), (v)); \ + if (ret) \ + return ret; \ + } + +/* download ov5640 settings to sensor through i2c */ +static int ov5640_load_regs(struct ov5640_dev *sensor, + struct reg_value *regs, + int size) +{ + register u32 delay_ms = 0; + register u16 reg_addr = 0; + register u8 mask = 0; + register u8 val = 0; + int i, ret; + + for (i = 0; i < size; ++i, ++regs) { + delay_ms = regs->delay_ms; + reg_addr = regs->reg_addr; + val = regs->val; + mask = regs->mask; + + if (mask) { + OV5640_MOD_REG(sensor, reg_addr, mask, val); + } else { + OV5640_WRITE_REG(sensor, reg_addr, val); + } + if (delay_ms) + usleep_range(1000*delay_ms, 1000*delay_ms+100); + } + + return 0; +} + +static int ov5640_set_stream(struct ov5640_dev *sensor, bool on) +{ + int ret; + + OV5640_WRITE_REG(sensor, 0x4202, on ? 0x00 : 0x0f); + return 0; +} + +static int ov5640_get_sysclk(struct ov5640_dev *sensor) +{ + /* calculate sysclk */ + int xvclk = sensor->xclk_freq / 10000; + int multiplier, prediv, VCO, sysdiv, pll_rdiv; + int sclk_rdiv_map[] = {1, 2, 4, 8}; + int bit_div2x = 1, sclk_rdiv, sysclk; + u8 temp1, temp2; + int ret; + + OV5640_READ_REG(sensor, 0x3034, &temp1); + temp2 = temp1 & 0x0f; + if (temp2 == 8 || temp2 == 10) + bit_div2x = temp2 / 2; + + OV5640_READ_REG(sensor, 0x3035, &temp1); + sysdiv = temp1>>4; + if (sysdiv == 0) + sysdiv = 16; + + OV5640_READ_REG(sensor, 0x3036, &temp1); + multiplier = temp1; + + OV5640_READ_REG(sensor, 0x3037, &temp1); + prediv = temp1 & 0x0f; + pll_rdiv = ((temp1 >> 4) & 0x01) + 1; + + OV5640_READ_REG(sensor, 0x3108, &temp1); + temp2 = temp1 & 0x03; + sclk_rdiv = sclk_rdiv_map[temp2]; + + VCO = xvclk * multiplier / prediv; + + sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; + + return sysclk; +} + +static int ov5640_set_night_mode(struct ov5640_dev *sensor) +{ + /* read HTS from register settings */ + u8 mode; + int ret; + + OV5640_READ_REG(sensor, 0x3a00, &mode); + mode &= 0xfb; + OV5640_WRITE_REG(sensor, 0x3a00, mode); + return 0; +} + +static int ov5640_get_HTS(struct ov5640_dev *sensor) +{ + /* read HTS from register settings */ + u16 HTS; + int ret; + + OV5640_READ_REG16(sensor, 0x380c, &HTS); + return HTS; +} + +static int ov5640_get_VTS(struct ov5640_dev *sensor) +{ + u16 VTS; + int ret; + + OV5640_READ_REG16(sensor, 0x380e, &VTS); + return VTS; +} + +static int ov5640_set_VTS(struct ov5640_dev *sensor, int VTS) +{ + int ret; + + OV5640_WRITE_REG16(sensor, 0x380e, VTS); + return 0; +} + +static int ov5640_get_light_freq(struct ov5640_dev *sensor) +{ + /* get banding filter value */ + u8 temp, temp1; + int light_freq = 0; + int ret; + + OV5640_READ_REG(sensor, 0x3c01, &temp); + + if (temp & 0x80) { + /* manual */ + OV5640_READ_REG(sensor, 0x3c00, &temp1); + if (temp1 & 0x04) { + /* 50Hz */ + light_freq = 50; + } else { + /* 60Hz */ + light_freq = 60; + } + } else { + /* auto */ + OV5640_READ_REG(sensor, 0x3c0c, &temp1); + if (temp1 & 0x01) { + /* 50Hz */ + light_freq = 50; + } else { + /* 60Hz */ + } + } + + return light_freq; +} + +static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) +{ + int prev_vts; + int band_step60, max_band60, band_step50, max_band50; + int ret; + + /* read preview PCLK */ + ret = ov5640_get_sysclk(sensor); + if (ret < 0) + return ret; + sensor->prev_sysclk = ret; + /* read preview HTS */ + ret = ov5640_get_HTS(sensor); + if (ret < 0) + return ret; + sensor->prev_hts = ret; + + /* read preview VTS */ + ret = ov5640_get_VTS(sensor); + if (ret < 0) + return ret; + prev_vts = ret; + + /* calculate banding filter */ + /* 60Hz */ + band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100/120; + OV5640_WRITE_REG16(sensor, 0x3a0a, band_step60); + + max_band60 = (int)((prev_vts-4)/band_step60); + OV5640_WRITE_REG(sensor, 0x3a0d, max_band60); + + /* 50Hz */ + band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; + OV5640_WRITE_REG16(sensor, 0x3a08, band_step50); + + max_band50 = (int)((prev_vts-4)/band_step50); + OV5640_WRITE_REG(sensor, 0x3a0e, max_band50); + + return 0; +} + +static int ov5640_set_AE_target(struct ov5640_dev *sensor, int target) +{ + /* stable in high */ + int fast_high, fast_low; + int ret; + + sensor->ae_low = target * 23 / 25; /* 0.92 */ + sensor->ae_high = target * 27 / 25; /* 1.08 */ + + fast_high = sensor->ae_high<<1; + if (fast_high > 255) + fast_high = 255; + + fast_low = sensor->ae_low >> 1; + + OV5640_WRITE_REG(sensor, 0x3a0f, sensor->ae_high); + OV5640_WRITE_REG(sensor, 0x3a10, sensor->ae_low); + OV5640_WRITE_REG(sensor, 0x3a1b, sensor->ae_high); + OV5640_WRITE_REG(sensor, 0x3a1e, sensor->ae_low); + OV5640_WRITE_REG(sensor, 0x3a11, fast_high); + OV5640_WRITE_REG(sensor, 0x3a1f, fast_low); + + return 0; +} + +static int ov5640_binning_on(struct ov5640_dev *sensor) +{ + u8 temp; + int ret; + + OV5640_READ_REG(sensor, 0x3821, &temp); + temp &= 0xfe; + + return temp ? 1 : 0; +} + +static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) +{ + u8 temp, channel = sensor->ep.base.id; + int ret; + + OV5640_READ_REG(sensor, 0x4814, &temp); + temp &= ~(3 << 6); + temp |= (channel << 6); + OV5640_WRITE_REG(sensor, 0x4814, temp); + + return 0; +} + +static enum ov5640_mode +ov5640_find_nearest_mode(struct ov5640_dev *sensor, + int width, int height) +{ + int i; + + for (i = ov5640_num_modes - 1; i >= 0; i--) { + if (ov5640_mode_info_data[0][i].width <= width && + ov5640_mode_info_data[0][i].height <= height) + break; + } + + if (i < 0) + i = 0; + + return (enum ov5640_mode)i; +} + +/* + * sensor changes between scaling and subsampling, go through + * exposure calculation + */ +static int ov5640_change_mode_exposure_calc(struct ov5640_dev *sensor, + enum ov5640_frame_rate frame_rate, + enum ov5640_mode mode) +{ + struct reg_value *mode_data = NULL; + int mode_size = 0; + u8 average; + int prev_shutter, prev_gain16; + int cap_shutter, cap_gain16; + int cap_sysclk, cap_hts, cap_vts; + int light_freq, cap_bandfilt, cap_maxband; + long cap_gain16_shutter; + int ret = 0; + + /* check if the input mode and frame rate is valid */ + mode_data = ov5640_mode_info_data[frame_rate][mode].init_data_ptr; + mode_size = ov5640_mode_info_data[frame_rate][mode].init_data_size; + + sensor->fmt.width = ov5640_mode_info_data[frame_rate][mode].width; + sensor->fmt.height = ov5640_mode_info_data[frame_rate][mode].height; + + if (sensor->fmt.width == 0 || sensor->fmt.height == 0 || + mode_data == NULL || mode_size == 0) + return -EINVAL; + + /* auto focus */ + /* ov5640_auto_focus();//if no af function, just skip it */ + + /* turn off AE/AG */ + ret = ov5640_set_agc(sensor, false); + if (ret < 0) + return ret; + + /* read preview shutter */ + ret = ov5640_get_exposure(sensor); + if (ret < 0) + return ret; + prev_shutter = ret; + ret = ov5640_binning_on(sensor); + if (ret < 0) + return ret; + if (ret && mode != ov5640_mode_720P_1280_720 && + mode != ov5640_mode_1080P_1920_1080) + prev_shutter *= 2; + + /* read preview gain */ + ret = ov5640_get_gain(sensor); + if (ret < 0) + return ret; + prev_gain16 = ret; + + /* get average */ + OV5640_READ_REG(sensor, 0x56a1, &average); + + /* turn off night mode for capture */ + ret = ov5640_set_night_mode(sensor); + if (ret < 0) + return ret; + + /* turn off overlay */ + /* OV5640_WRITE_REG(0x3022, 0x06); //if no af function, + just skip it */ + + ret = ov5640_set_stream(sensor, false); + if (ret < 0) + return ret; + + /* Write capture setting */ + ret = ov5640_load_regs(sensor, mode_data, mode_size); + if (ret < 0) + return ret; + + /* read capture VTS */ + ret = ov5640_get_VTS(sensor); + if (ret < 0) + return ret; + cap_vts = ret; + ret = ov5640_get_HTS(sensor); + if (ret < 0) + return ret; + cap_hts = ret; + ret = ov5640_get_sysclk(sensor); + if (ret < 0) + return ret; + cap_sysclk = ret; + + /* calculate capture banding filter */ + ret = ov5640_get_light_freq(sensor); + if (ret < 0) + return ret; + light_freq = ret; + + if (light_freq == 60) { + /* 60Hz */ + cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; + } else { + /* 50Hz */ + cap_bandfilt = cap_sysclk * 100 / cap_hts; + } + cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); + + /* calculate capture shutter/gain16 */ + if (average > sensor->ae_low && average < sensor->ae_high) { + /* in stable range */ + cap_gain16_shutter = + prev_gain16 * prev_shutter * + cap_sysclk / sensor->prev_sysclk * + sensor->prev_hts / cap_hts * + sensor->ae_target / average; + } else { + cap_gain16_shutter = + prev_gain16 * prev_shutter * + cap_sysclk / sensor->prev_sysclk * + sensor->prev_hts / cap_hts; + } + + /* gain to shutter */ + if (cap_gain16_shutter < (cap_bandfilt * 16)) { + /* shutter < 1/100 */ + cap_shutter = cap_gain16_shutter / 16; + if (cap_shutter < 1) + cap_shutter = 1; + + cap_gain16 = cap_gain16_shutter / cap_shutter; + if (cap_gain16 < 16) + cap_gain16 = 16; + } else { + if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { + /* exposure reach max */ + cap_shutter = cap_bandfilt * cap_maxband; + cap_gain16 = cap_gain16_shutter / cap_shutter; + } else { + /* 1/100 < (cap_shutter = n/100) =< max */ + cap_shutter = + ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) + * cap_bandfilt; + cap_gain16 = cap_gain16_shutter / cap_shutter; + } + } + + /* write capture gain */ + ret = ov5640_set_gain(sensor, cap_gain16); + if (ret < 0) + return ret; + + /* write capture shutter */ + if (cap_shutter > (cap_vts - 4)) { + cap_vts = cap_shutter + 4; + ret = ov5640_set_VTS(sensor, cap_vts); + if (ret < 0) + return ret; + } + + ret = ov5640_set_exposure(sensor, cap_shutter); + if (ret < 0) + return ret; + + return ov5640_set_stream(sensor, true); +} + +/* + * if sensor changes inside scaling or subsampling + * change mode directly + */ +static int ov5640_change_mode_direct(struct ov5640_dev *sensor, + enum ov5640_frame_rate frame_rate, + enum ov5640_mode mode) +{ + struct reg_value *mode_data = NULL; + int mode_size = 0; + int ret = 0; + + /* check if the input mode and frame rate is valid */ + mode_data = ov5640_mode_info_data[frame_rate][mode].init_data_ptr; + mode_size = ov5640_mode_info_data[frame_rate][mode].init_data_size; + + sensor->fmt.width = ov5640_mode_info_data[frame_rate][mode].width; + sensor->fmt.height = ov5640_mode_info_data[frame_rate][mode].height; + + if (sensor->fmt.width == 0 || sensor->fmt.height == 0 || + mode_data == NULL || mode_size == 0) + return -EINVAL; + + /* turn off AE/AG */ + ret = ov5640_set_agc(sensor, false); + if (ret < 0) + return ret; + + ret = ov5640_set_stream(sensor, false); + if (ret < 0) + return ret; + + /* Write capture setting */ + ret = ov5640_load_regs(sensor, mode_data, mode_size); + if (ret < 0) + return ret; + + ret = ov5640_set_stream(sensor, true); + if (ret < 0) + return ret; + + return ov5640_set_agc(sensor, true); +} + +static int ov5640_change_mode(struct ov5640_dev *sensor, + enum ov5640_frame_rate frame_rate, + enum ov5640_mode mode, + enum ov5640_mode orig_mode) +{ + enum ov5640_downsize_mode dn_mode, orig_dn_mode; + struct reg_value *mode_data = NULL; + int mode_size = 0; + int ret = 0; + + if ((mode >= ov5640_num_modes || mode < ov5640_mode_MIN) && + mode != ov5640_mode_INIT) { + v4l2_err(&sensor->sd, "Wrong ov5640 mode detected!\n"); + return -EINVAL; + } + + dn_mode = ov5640_mode_info_data[frame_rate][mode].dn_mode; + orig_dn_mode = ov5640_mode_info_data[frame_rate][orig_mode].dn_mode; + if (mode == ov5640_mode_INIT) { + mode_data = ov5640_init_setting_30fps_VGA; + mode_size = ARRAY_SIZE(ov5640_init_setting_30fps_VGA); + + sensor->fmt.width = 640; + sensor->fmt.height = 480; + ret = ov5640_load_regs(sensor, mode_data, mode_size); + if (ret < 0) + return ret; + + mode_data = ov5640_setting_30fps_VGA_640_480; + mode_size = ARRAY_SIZE(ov5640_setting_30fps_VGA_640_480); + ret = ov5640_load_regs(sensor, mode_data, mode_size); + } else if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || + (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { + /* change between subsampling and scaling + * go through exposure calucation */ + ret = ov5640_change_mode_exposure_calc(sensor, frame_rate, + mode); + } else { + /* change inside subsampling or scaling + * download firmware directly */ + ret = ov5640_change_mode_direct(sensor, frame_rate, mode); + } + + if (ret < 0) + return ret; + + ret = ov5640_set_AE_target(sensor, sensor->ae_target); + if (ret < 0) + return ret; + ret = ov5640_get_light_freq(sensor); + if (ret < 0) + return ret; + ret = ov5640_set_bandingfilter(sensor); + if (ret < 0) + return ret; + ret = ov5640_set_virtual_channel(sensor); + if (ret < 0) + return ret; + + /* restore controls */ + ov5640_restore_ctrls(sensor); + + if (ret >= 0 && mode != ov5640_mode_INIT) { + sensor->current_mode = mode; + sensor->current_fr = frame_rate; + } + + return 0; +} + +/* restore the last set video mode after chip power-on */ +static int ov5640_restore_mode(struct ov5640_dev *sensor) +{ + int ret = 0; + + /* first we need to set some initial register values */ + ret = ov5640_change_mode(sensor, sensor->current_fr, + ov5640_mode_INIT, ov5640_mode_INIT); + if (ret < 0) + return ret; + + /* now restore the last capture mode */ + return ov5640_change_mode(sensor, + sensor->current_fr, + sensor->current_mode, + ov5640_mode_VGA_640_480); +} + +static int ov5640_regulators_on(struct ov5640_dev *sensor) +{ + int ret; + + if (sensor->io_regulator) { + ret = regulator_enable(sensor->io_regulator); + if (ret) { + v4l2_err(&sensor->sd, "io reg enable failed\n"); + return ret; + } + } + if (sensor->core_regulator) { + ret = regulator_enable(sensor->core_regulator); + if (ret) { + v4l2_err(&sensor->sd, "core reg enable failed\n"); + return ret; + } + } + if (sensor->gpo_regulator) { + ret = regulator_enable(sensor->gpo_regulator); + if (ret) { + v4l2_err(&sensor->sd, "gpo reg enable failed\n"); + return ret; + } + } + if (sensor->analog_regulator) { + ret = regulator_enable(sensor->analog_regulator); + if (ret) { + v4l2_err(&sensor->sd, "analog reg enable failed\n"); + return ret; + } + } + + return 0; +} + +static void ov5640_regulators_off(struct ov5640_dev *sensor) +{ + if (sensor->analog_regulator) + regulator_disable(sensor->analog_regulator); + if (sensor->core_regulator) + regulator_disable(sensor->core_regulator); + if (sensor->io_regulator) + regulator_disable(sensor->io_regulator); + if (sensor->gpo_regulator) + regulator_disable(sensor->gpo_regulator); +} + +/* --------------- Subdev Operations --------------- */ + +static int ov5640_s_power(struct v4l2_subdev *sd, int on) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + int ret; + + v4l2_info(sd, "power %s\n", on ? "ON" : "OFF"); + + if (on && !sensor->on) { + if (sensor->xclk) + clk_prepare_enable(sensor->xclk); + + ret = ov5640_regulators_on(sensor); + if (ret) + return ret; + + ov5640_reset(sensor); + ov5640_power(sensor, true); + + ret = ov5640_init_slave_id(sensor); + if (ret) + return ret; + + ret = ov5640_restore_mode(sensor); + if (ret) + return ret; + + /* + * NOTE: Freescale adds a long delay (600 msec) after + * powering up and programming a mode on the ov5640-mipi + * camera (search for "msec_wait4stable" in FSL's + * ov5640_mipi.c), which equivalently would need to go + * right here. If we run into MIPI CSI-2 receiver dphy + * ready timeouts, it might be a clue to add that delay + * here. + */ + } else if (!on && sensor->on) { + ov5640_power(sensor, false); + + ov5640_regulators_off(sensor); + + if (sensor->xclk) + clk_disable_unprepare(sensor->xclk); + } + + sensor->on = on; + + return 0; +} + +static int ov5640_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + struct v4l2_captureparm *cparm = &a->parm.capture; + + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + /* This is the only case currently handled. */ + memset(a, 0, sizeof(*a)); + a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + cparm->capability = sensor->streamcap.capability; + cparm->timeperframe = sensor->streamcap.timeperframe; + cparm->capturemode = sensor->streamcap.capturemode; + + return 0; +} + +static int ov5640_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + struct v4l2_fract *timeperframe = &a->parm.capture.timeperframe; + enum ov5640_frame_rate frame_rate; + u32 tgt_fps; /* target frames per secound */ + int ret = 0; + + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + /* Check that the new frame rate is allowed. */ + if ((timeperframe->numerator == 0) || + (timeperframe->denominator == 0)) { + timeperframe->denominator = DEFAULT_FPS; + timeperframe->numerator = 1; + } + + tgt_fps = timeperframe->denominator / timeperframe->numerator; + + if (tgt_fps > MAX_FPS) { + timeperframe->denominator = MAX_FPS; + timeperframe->numerator = 1; + } else if (tgt_fps < MIN_FPS) { + timeperframe->denominator = MIN_FPS; + timeperframe->numerator = 1; + } + + /* Actual frame rate we use */ + tgt_fps = timeperframe->denominator / timeperframe->numerator; + + if (tgt_fps == 15) + frame_rate = ov5640_15_fps; + else if (tgt_fps == 30) + frame_rate = ov5640_30_fps; + else { + v4l2_err(&sensor->sd, "frame rate %u not supported!\n", + tgt_fps); + return -EINVAL; + } + + ret = ov5640_change_mode(sensor, frame_rate, + sensor->current_mode, + sensor->current_mode); + if (ret < 0) + return ret; + + sensor->streamcap.timeperframe = *timeperframe; + + return 0; +} + +static int ov5640_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + if (format->pad != 0) + return -EINVAL; + + format->format = sensor->fmt; + + return 0; +} + +static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt, + enum ov5640_mode *new_mode) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + enum ov5640_mode mode; + + mode = ov5640_find_nearest_mode(sensor, fmt->width, fmt->height); + + fmt->width = ov5640_mode_info_data[0][mode].width; + fmt->height = ov5640_mode_info_data[0][mode].height; + fmt->code = sensor->fmt.code; + + if (new_mode) + *new_mode = mode; + return 0; +} + +static int ov5640_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + enum ov5640_mode new_mode; + int ret; + + if (format->pad != 0) + return -EINVAL; + + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + ret = ov5640_try_fmt_internal(sd, &format->format, NULL); + if (ret) + return ret; + cfg->try_fmt = format->format; + return 0; + } + + ret = ov5640_try_fmt_internal(sd, &format->format, &new_mode); + if (ret) + return ret; + + ret = ov5640_change_mode(sensor, sensor->current_fr, + new_mode, sensor->current_mode); + if (ret >= 0) + sensor->fmt = format->format; + + return ret; +} + + +/* + * Sensor Controls. + */ + +static int ov5640_set_hue(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (value) { + OV5640_MOD_REG(sensor, 0x5580, 1 << 0, 1 << 0); + OV5640_WRITE_REG16(sensor, 0x5581, value); + } else + OV5640_MOD_REG(sensor, 0x5580, 1 << 0, 0); + + return 0; +} + +static int ov5640_set_contrast(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (value) { + OV5640_MOD_REG(sensor, 0x5580, 1 << 2, 1 << 2); + OV5640_WRITE_REG(sensor, 0x5585, value & 0xff); + } else + OV5640_MOD_REG(sensor, 0x5580, 1 << 2, 0); + + return 0; +} + +static int ov5640_set_saturation(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (value) { + OV5640_MOD_REG(sensor, 0x5580, 1 << 1, 1 << 1); + OV5640_WRITE_REG(sensor, 0x5583, value & 0xff); + OV5640_WRITE_REG(sensor, 0x5584, value & 0xff); + } else + OV5640_MOD_REG(sensor, 0x5580, 1 << 1, 0); + + return 0; +} + +static int ov5640_set_awb(struct ov5640_dev *sensor, int value) +{ + int ret; + + sensor->awb_on = value ? true : false; + OV5640_MOD_REG(sensor, 0x3406, 1 << 0, sensor->awb_on ? 0 : 1); + return 0; +} + +static int ov5640_set_red_balance(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (sensor->awb_on) + return -EINVAL; + + OV5640_WRITE_REG(sensor, 0x3401, value & 0xff); + OV5640_WRITE_REG(sensor, 0x3400, (value & 0xf00) >> 8); + return 0; +} + +#if 0 +static int ov5640_set_green_balance(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (sensor->awb_on) + return -EINVAL; + + OV5640_WRITE_REG(sensor, 0x3403, value & 0xff); + OV5640_WRITE_REG(sensor, 0x3402, (value & 0xf00) >> 8); + return 0; +} +#endif + +static int ov5640_set_blue_balance(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (sensor->awb_on) + return -EINVAL; + + OV5640_WRITE_REG(sensor, 0x3405, value & 0xff); + OV5640_WRITE_REG(sensor, 0x3404, (value & 0xf00) >> 8); + return 0; +} + +static int ov5640_set_exposure(struct ov5640_dev *sensor, int value) +{ + u16 max_exp = 0; + int ret; + + if (sensor->agc_on) + return -EINVAL; + + OV5640_READ_REG16(sensor, 0x350c, &max_exp); + if (value < max_exp) { + u32 exp = value << 4; + + OV5640_WRITE_REG(sensor, 0x3502, exp & 0xff); + OV5640_WRITE_REG(sensor, 0x3501, (exp >> 8) & 0xff); + OV5640_WRITE_REG(sensor, 0x3500, (exp >> 16) & 0x0f); + } + + return 0; +} + +/* read exposure, in number of line periods */ +static int ov5640_get_exposure(struct ov5640_dev *sensor) +{ + u8 temp; + int exp, ret; + + if (sensor->agc_on) + return -EINVAL; + + OV5640_READ_REG(sensor, 0x3500, &temp); + exp = ((int)temp & 0x0f) << 16; + OV5640_READ_REG(sensor, 0x3501, &temp); + exp |= ((int)temp << 8); + OV5640_READ_REG(sensor, 0x3502, &temp); + exp |= (int)temp; + + return exp >> 4; +} + +static int ov5640_set_agc(struct ov5640_dev *sensor, int value) +{ + int ret; + + /* this enables/disables both AEC and AGC */ + sensor->agc_on = value ? true : false; + OV5640_MOD_REG(sensor, 0x3503, 0x3, sensor->agc_on ? 0 : 0x3); + + return 0; +} + +static int ov5640_set_gain(struct ov5640_dev *sensor, int value) +{ + int ret; + + if (sensor->agc_on) + return -EINVAL; + + OV5640_WRITE_REG16(sensor, 0x350a, value & 0x3ff); + return 0; +} + +static int ov5640_get_gain(struct ov5640_dev *sensor) +{ + u16 gain; + int ret; + + if (sensor->agc_on) + return -EINVAL; + + OV5640_READ_REG16(sensor, 0x350a, &gain); + + return gain & 0x3ff; +} + +#if 0 +static int ov5640_set_test_pattern(struct ov5640_dev *sensor, int value) +{ + int ret; + + OV5640_MOD_REG(sensor, 0x503d, 0xa4, value ? 0xa4 : 0); + return 0; +} +#endif + +static struct ov5640_control ov5640_ctrls[] = { + { + .set = ov5640_set_agc, + .ctrl = { + .id = V4L2_CID_AUTOGAIN, + .name = "Auto Gain/Exposure Control", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + }, { + .set = ov5640_set_exposure, + .ctrl = { + .id = V4L2_CID_EXPOSURE, + .name = "Exposure", + .minimum = 0, + .maximum = 65535, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_gain, + .ctrl = { + .id = V4L2_CID_GAIN, + .name = "Gain", + .minimum = 0, + .maximum = 1023, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_hue, + .ctrl = { + .id = V4L2_CID_HUE, + .name = "Hue", + .minimum = 0, + .maximum = 359, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_contrast, + .ctrl = { + .id = V4L2_CID_CONTRAST, + .name = "Contrast", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_saturation, + .ctrl = { + .id = V4L2_CID_SATURATION, + .name = "Saturation", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 64, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_awb, + .ctrl = { + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .name = "Auto White Balance", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + }, + }, { + .set = ov5640_set_red_balance, + .ctrl = { + .id = V4L2_CID_RED_BALANCE, + .name = "Red Balance", + .minimum = 0, + .maximum = 4095, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, { + .set = ov5640_set_blue_balance, + .ctrl = { + .id = V4L2_CID_BLUE_BALANCE, + .name = "Blue Balance", + .minimum = 0, + .maximum = 4095, + .step = 1, + .default_value = 0, + .type = V4L2_CTRL_TYPE_INTEGER, + }, + }, +}; +#define OV5640_NUM_CONTROLS ARRAY_SIZE(ov5640_ctrls) + +static struct ov5640_control *ov5640_get_ctrl(int id, int *index) +{ + struct ov5640_control *ret = NULL; + int i; + + for (i = 0; i < OV5640_NUM_CONTROLS; i++) { + if (id == ov5640_ctrls[i].ctrl.id) { + ret = &ov5640_ctrls[i]; + break; + } + } + + if (ret && index) + *index = i; + return ret; +} + +static int ov5640_restore_ctrls(struct ov5640_dev *sensor) +{ + struct ov5640_control *c; + int i; + + for (i = 0; i < OV5640_NUM_CONTROLS; i++) { + c = &ov5640_ctrls[i]; + c->set(sensor, sensor->ctrl_cache[i]); + } + + return 0; +} + +static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ov5640_dev *sensor = ctrl_to_ov5640_dev(ctrl); + struct ov5640_control *c; + int ret = 0; + int i; + + c = ov5640_get_ctrl(ctrl->id, &i); + if (!c) + return -EINVAL; + + ret = c->set(sensor, ctrl->val); + /* update cached value if no error */ + if (!ret) + sensor->ctrl_cache[i] = ctrl->val; + + return ret; +} + +static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { + .s_ctrl = ov5640_s_ctrl, +}; + +static int ov5640_init_controls(struct ov5640_dev *sensor) +{ + struct ov5640_control *c; + int i; + + v4l2_ctrl_handler_init(&sensor->ctrl_hdl, OV5640_NUM_CONTROLS); + + for (i = 0; i < OV5640_NUM_CONTROLS; i++) { + c = &ov5640_ctrls[i]; + + v4l2_ctrl_new_std(&sensor->ctrl_hdl, &ov5640_ctrl_ops, + c->ctrl.id, c->ctrl.minimum, c->ctrl.maximum, + c->ctrl.step, c->ctrl.default_value); + } + + sensor->sd.ctrl_handler = &sensor->ctrl_hdl; + if (sensor->ctrl_hdl.error) { + int err = sensor->ctrl_hdl.error; + + v4l2_ctrl_handler_free(&sensor->ctrl_hdl); + + v4l2_err(&sensor->sd, "%s: error %d\n", __func__, err); + return err; + } + v4l2_ctrl_handler_setup(&sensor->ctrl_hdl); + + return 0; +} + +static int ov5640_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->pad != 0) + return -EINVAL; + if (fse->index >= ov5640_num_modes) + return -EINVAL; + + fse->min_width = fse->max_width = + ov5640_mode_info_data[0][fse->index].width; + fse->min_height = fse->max_height = + ov5640_mode_info_data[0][fse->index].height; + + return 0; +} + +static int ov5640_enum_frame_interval( + struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + enum ov5640_mode mode; + + if (fie->pad != 0) + return -EINVAL; + if (fie->index < 0 || fie->index >= ov5640_num_framerates) + return -EINVAL; + + if (fie->width == 0 || fie->height == 0) + return -EINVAL; + + mode = ov5640_find_nearest_mode(sensor, fie->width, fie->height); + + if (ov5640_mode_info_data[fie->index][mode].init_data_ptr == NULL) + return -EINVAL; + + fie->interval.numerator = 1; + fie->interval.denominator = ov5640_framerates[fie->index]; + + dev_dbg(sensor->dev, "%dx%d: [%d] = %d fps\n", + fie->width, fie->height, fie->index, fie->interval.denominator); + return 0; +} + +static int ov5640_g_input_status(struct v4l2_subdev *sd, u32 *status) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + *status = !sensor->on ? V4L2_IN_ST_NO_POWER : 0; + + return 0; +} + +static int ov5640_s_routing(struct v4l2_subdev *sd, u32 input, + u32 output, u32 config) +{ + return (input != 0) ? -EINVAL : 0; +} + +static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + if (code->pad != 0) + return -EINVAL; + if (code->index != 0) + return -EINVAL; + + code->code = sensor->fmt.code; + + return 0; +} + +static int ov5640_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + cfg->type = V4L2_MBUS_CSI2; + cfg->flags = sensor->ep.bus.mipi_csi2.flags; + cfg->flags |= (1 << (sensor->ep.bus.mipi_csi2.num_data_lanes - 1)); + cfg->flags |= V4L2_MBUS_CSI2_CHANNEL_0; + + return 0; +} + +static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + v4l2_info(sd, "stream %s\n", enable ? "ON" : "OFF"); + + return ov5640_set_stream(sensor, enable); +} + +static struct v4l2_subdev_core_ops ov5640_core_ops = { + .s_power = ov5640_s_power, +}; + +static struct v4l2_subdev_video_ops ov5640_video_ops = { + .s_parm = ov5640_s_parm, + .g_parm = ov5640_g_parm, + .g_input_status = ov5640_g_input_status, + .s_routing = ov5640_s_routing, + .g_mbus_config = ov5640_g_mbus_config, + .s_stream = ov5640_s_stream, +}; + +static struct v4l2_subdev_pad_ops ov5640_pad_ops = { + .enum_mbus_code = ov5640_enum_mbus_code, + .get_fmt = ov5640_get_fmt, + .set_fmt = ov5640_set_fmt, + .enum_frame_size = ov5640_enum_frame_size, + .enum_frame_interval = ov5640_enum_frame_interval, +}; + +static struct v4l2_subdev_ops ov5640_subdev_ops = { + .core = &ov5640_core_ops, + .video = &ov5640_video_ops, + .pad = &ov5640_pad_ops, +}; + +static void ov5640_power(struct ov5640_dev *sensor, bool enable) +{ + gpiod_set_value(sensor->pwdn_gpio, enable ? 0 : 1); +} + +static void ov5640_reset(struct ov5640_dev *sensor) +{ + gpiod_set_value(sensor->reset_gpio, 0); + + /* camera power cycle */ + ov5640_power(sensor, false); + usleep_range(5000, 10000); + ov5640_power(sensor, true); + usleep_range(5000, 10000); + + gpiod_set_value(sensor->reset_gpio, 1); + usleep_range(1000, 2000); + + gpiod_set_value(sensor->reset_gpio, 0); + usleep_range(5000, 10000); +} + +static void ov5640_get_regulators(struct ov5640_dev *sensor) +{ + sensor->io_regulator = devm_regulator_get(sensor->dev, "DOVDD"); + if (!IS_ERR(sensor->io_regulator)) { + regulator_set_voltage(sensor->io_regulator, + OV5640_VOLTAGE_DIGITAL_IO, + OV5640_VOLTAGE_DIGITAL_IO); + } else { + dev_dbg(sensor->dev, "%s: no io voltage reg found\n", + __func__); + sensor->io_regulator = NULL; + } + + sensor->core_regulator = devm_regulator_get(sensor->dev, "DVDD"); + if (!IS_ERR(sensor->core_regulator)) { + regulator_set_voltage(sensor->core_regulator, + OV5640_VOLTAGE_DIGITAL_CORE, + OV5640_VOLTAGE_DIGITAL_CORE); + } else { + sensor->core_regulator = NULL; + dev_dbg(sensor->dev, "%s: no core voltage reg found\n", + __func__); + } + + sensor->analog_regulator = devm_regulator_get(sensor->dev, "AVDD"); + if (!IS_ERR(sensor->analog_regulator)) { + regulator_set_voltage(sensor->analog_regulator, + OV5640_VOLTAGE_ANALOG, + OV5640_VOLTAGE_ANALOG); + } else { + sensor->analog_regulator = NULL; + dev_dbg(sensor->dev, "%s: no analog voltage reg found\n", + __func__); + } +} + +static int ov5640_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *endpoint; + struct ov5640_dev *sensor; + int i, xclk, ret; + + sensor = devm_kzalloc(dev, sizeof(struct ov5640_dev), GFP_KERNEL); + if (!sensor) + return -ENOMEM; + + sensor->i2c_client = client; + sensor->dev = dev; + sensor->fmt.code = MEDIA_BUS_FMT_UYVY8_2X8; + sensor->fmt.width = 640; + sensor->fmt.height = 480; + sensor->fmt.field = V4L2_FIELD_NONE; + sensor->streamcap.capability = V4L2_MODE_HIGHQUALITY | + V4L2_CAP_TIMEPERFRAME; + sensor->streamcap.capturemode = 0; + sensor->streamcap.timeperframe.denominator = DEFAULT_FPS; + sensor->streamcap.timeperframe.numerator = 1; + + sensor->current_mode = ov5640_mode_VGA_640_480; + sensor->current_fr = ov5640_30_fps; + + sensor->ae_target = 52; + + endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL); + if (!endpoint) { + dev_err(dev, "endpoint node not found\n"); + return -EINVAL; + } + + v4l2_of_parse_endpoint(endpoint, &sensor->ep); + if (sensor->ep.bus_type != V4L2_MBUS_CSI2) { + dev_err(dev, "invalid bus type, must be MIPI CSI2\n"); + return -EINVAL; + } + of_node_put(endpoint); + + /* get system clock (xclk) frequency */ + ret = of_property_read_u32(dev->of_node, "xclk", &xclk); + if (!ret) { + if (xclk < OV5640_XCLK_MIN || xclk > OV5640_XCLK_MAX) { + dev_err(dev, "invalid xclk frequency\n"); + return -EINVAL; + } + sensor->xclk_freq = xclk; + } + + /* get system clock (xclk) */ + sensor->xclk = devm_clk_get(dev, "xclk"); + if (!IS_ERR(sensor->xclk)) { + if (!sensor->xclk_freq) { + dev_err(dev, "xclk requires xclk frequency!\n"); + return -EINVAL; + } + clk_set_rate(sensor->xclk, sensor->xclk_freq); + } else { + /* assume system clock enabled by default */ + sensor->xclk = NULL; + } + + /* request power down pin */ + sensor->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_HIGH); + if (IS_ERR(sensor->pwdn_gpio)) { + dev_err(dev, "request for power down gpio failed\n"); + return PTR_ERR(sensor->pwdn_gpio); + } + + /* request reset pin */ + sensor->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(sensor->reset_gpio)) { + dev_err(dev, "request for reset gpio failed\n"); + return PTR_ERR(sensor->reset_gpio); + } + + /* initialize the cached controls to their defaults */ + for (i = 0; i < OV5640_NUM_CONTROLS; i++) { + struct ov5640_control *c = &ov5640_ctrls[i]; + + sensor->ctrl_cache[i] = c->ctrl.default_value; + } + sensor->awb_on = sensor->agc_on = true; + + v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); + + sensor->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE; + sensor->pad.flags = MEDIA_PAD_FL_SOURCE; + sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); + if (ret) + return ret; + + ov5640_get_regulators(sensor); + + ret = ov5640_s_power(&sensor->sd, 1); + if (ret) + goto entity_cleanup; + ret = ov5640_init_controls(sensor); + if (ret) + goto power_off; + + ret = ov5640_s_power(&sensor->sd, 0); + if (ret) + goto free_ctrls; + + ret = v4l2_async_register_subdev(&sensor->sd); + if (ret) + goto free_ctrls; + + return 0; + +free_ctrls: + v4l2_ctrl_handler_free(&sensor->ctrl_hdl); +power_off: + ov5640_s_power(&sensor->sd, 0); +entity_cleanup: + media_entity_cleanup(&sensor->sd.entity); + ov5640_regulators_off(sensor); + return ret; +} + +/*! + * ov5640 I2C detach function + * + * @param client struct i2c_client * + * @return Error code indicating success or failure + */ +static int ov5640_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov5640_dev *sensor = to_ov5640_dev(sd); + + ov5640_regulators_off(sensor); + + v4l2_async_unregister_subdev(&sensor->sd); + media_entity_cleanup(&sensor->sd.entity); + v4l2_device_unregister_subdev(sd); + v4l2_ctrl_handler_free(&sensor->ctrl_hdl); + + return 0; +} + +static const struct i2c_device_id ov5640_id[] = { + {"ov5640_mipi", 0}, + {}, +}; +MODULE_DEVICE_TABLE(i2c, ov5640_id); + +static const struct of_device_id ov5640_dt_ids[] = { + { .compatible = "ovti,ov5640_mipi" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, ov5640_dt_ids); + +static struct i2c_driver ov5640_i2c_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "ov5640_mipi", + .of_match_table = ov5640_dt_ids, + }, + .id_table = ov5640_id, + .probe = ov5640_probe, + .remove = ov5640_remove, +}; + +module_i2c_driver(ov5640_i2c_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_AUTHOR("Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>"); +MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1.0"); 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