Re: [PATCH v3 22/24] media: imx: Add MIPI CSI-2 OV5640 sensor subdev driver

From: Hans Verkuil
Date: Fri Jan 20 2017 - 09:49:17 EST

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On 01/07/2017 03:11 AM, Steve Longerbeam wrote:
> 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 | 2348 +++++++++++++++++++++++++++++++
> 3 files changed, 2358 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 0decef7..aa954c1 100644
> --- a/drivers/staging/media/imx/Makefile
> +++ b/drivers/staging/media/imx/Makefile
> @@ -10,3 +10,5 @@ obj-$(CONFIG_VIDEO_IMX_CAMERA) += imx-csi.o
> obj-$(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_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..54647a7
> --- /dev/null
> +++ b/drivers/staging/media/imx/ov5640-mipi.c
> @@ -0,0 +1,2348 @@
> +/*
> + * 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];

This is just duplicating the cached value in the control framework. I think this can be dropped.

> +
> + 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)

This should use v4l2_ctrl_new_std() instead of this array.
Just put a switch on ctrl->id in s_ctrl, and each case calls the corresponding
set function.

> +
> +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;
> +}

This does the same as v4l2_ctrl_handler_setup() if I understand the code correctly.

> +
> +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);
> + }

As mentioned, just drop the ov5640_ctrls array and call v4l2_ctr_new_std for each
control you're adding.

> +
> + 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", 0},
> + {},
> +};
> +MODULE_DEVICE_TABLE(i2c, ov5640_id);
> +
> +static const struct of_device_id ov5640_dt_ids[] = {
> + { .compatible = "ovti,ov5640" },
> + { /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, ov5640_dt_ids);
> +
> +static struct i2c_driver ov5640_i2c_driver = {
> + .driver = {
> + .name = "ov5640",
> + .of_match_table = ov5640_dt_ids,
> + },
> + .id_table = ov5640_id,
> + .probe = ov5640_probe,
> + .remove = ov5640_remove,
> +};
> +
> +module_i2c_driver(ov5640_i2c_driver);
> +
> +MODULE_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");
>

Same comments apply to the next patch, so I won't repeat them.

Regards,

Hans

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