[PATCH 18/20] media: imx: Add MIPI CSI-2 OV5640 sensor subdev driver
Steve Longerbeam
slongerbeam at gmail.com
Thu Dec 29 14:27:33 PST 2016
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 at mentor.com>
---
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 at mentor.com>");
+MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("1.0");
--
2.7.4
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