// SPDX-License-Identifier: GPL-2.0 /* * A V4L2 driver for OmniVision OV5647 cameras. * * Based on Samsung S5K6AAFX SXGA 1/6" 1.3M CMOS Image Sensor driver * Copyright (C) 2011 Sylwester Nawrocki <[email protected]> * * Based on Omnivision OV7670 Camera Driver * Copyright (C) 2006-7 Jonathan Corbet <[email protected]> * * Copyright (C) 2016, Synopsys, Inc. */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of_graph.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-image-sizes.h> #include <media/v4l2-mediabus.h> /* * From the datasheet, "20ms after PWDN goes low or 20ms after RESETB goes * high if reset is inserted after PWDN goes high, host can access sensor's * SCCB to initialize sensor." */ #define PWDN_ACTIVE_DELAY_MS … #define MIPI_CTRL00_CLOCK_LANE_GATE … #define MIPI_CTRL00_LINE_SYNC_ENABLE … #define MIPI_CTRL00_BUS_IDLE … #define MIPI_CTRL00_CLOCK_LANE_DISABLE … #define OV5647_SW_STANDBY … #define OV5647_SW_RESET … #define OV5647_REG_CHIPID_H … #define OV5647_REG_CHIPID_L … #define OV5640_REG_PAD_OUT … #define OV5647_REG_EXP_HI … #define OV5647_REG_EXP_MID … #define OV5647_REG_EXP_LO … #define OV5647_REG_AEC_AGC … #define OV5647_REG_GAIN_HI … #define OV5647_REG_GAIN_LO … #define OV5647_REG_VTS_HI … #define OV5647_REG_VTS_LO … #define OV5647_REG_FRAME_OFF_NUMBER … #define OV5647_REG_MIPI_CTRL00 … #define OV5647_REG_MIPI_CTRL14 … #define OV5647_REG_AWB … #define OV5647_REG_ISPCTRL3D … #define REG_TERM … #define VAL_TERM … #define REG_DLY … /* OV5647 native and active pixel array size */ #define OV5647_NATIVE_WIDTH … #define OV5647_NATIVE_HEIGHT … #define OV5647_PIXEL_ARRAY_LEFT … #define OV5647_PIXEL_ARRAY_TOP … #define OV5647_PIXEL_ARRAY_WIDTH … #define OV5647_PIXEL_ARRAY_HEIGHT … #define OV5647_VBLANK_MIN … #define OV5647_VTS_MAX … #define OV5647_EXPOSURE_MIN … #define OV5647_EXPOSURE_STEP … #define OV5647_EXPOSURE_DEFAULT … #define OV5647_EXPOSURE_MAX … struct regval_list { … }; struct ov5647_mode { … }; struct ov5647 { … }; static inline struct ov5647 *to_sensor(struct v4l2_subdev *sd) { … } static const char * const ov5647_test_pattern_menu[] = …; static const u8 ov5647_test_pattern_val[] = …; static const struct regval_list sensor_oe_disable_regs[] = …; static const struct regval_list sensor_oe_enable_regs[] = …; static struct regval_list ov5647_2592x1944_10bpp[] = …; static struct regval_list ov5647_1080p30_10bpp[] = …; static struct regval_list ov5647_2x2binned_10bpp[] = …; static struct regval_list ov5647_640x480_10bpp[] = …; static const struct ov5647_mode ov5647_modes[] = …; /* Default sensor mode is 2x2 binned 640x480 SBGGR10_1X10. */ #define OV5647_DEFAULT_MODE … #define OV5647_DEFAULT_FORMAT … static int ov5647_write16(struct v4l2_subdev *sd, u16 reg, u16 val) { … } static int ov5647_write(struct v4l2_subdev *sd, u16 reg, u8 val) { … } static int ov5647_read(struct v4l2_subdev *sd, u16 reg, u8 *val) { … } static int ov5647_write_array(struct v4l2_subdev *sd, const struct regval_list *regs, int array_size) { … } static int ov5647_set_virtual_channel(struct v4l2_subdev *sd, int channel) { … } static int ov5647_set_mode(struct v4l2_subdev *sd) { … } static int ov5647_stream_on(struct v4l2_subdev *sd) { … } static int ov5647_stream_off(struct v4l2_subdev *sd) { … } static int ov5647_power_on(struct device *dev) { … } static int ov5647_power_off(struct device *dev) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int ov5647_sensor_get_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int ov5647_sensor_set_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif /* Subdev core operations registration */ static const struct v4l2_subdev_core_ops ov5647_subdev_core_ops = …; static const struct v4l2_rect * __ov5647_get_pad_crop(struct ov5647 *ov5647, struct v4l2_subdev_state *sd_state, unsigned int pad, enum v4l2_subdev_format_whence which) { … } static int ov5647_s_stream(struct v4l2_subdev *sd, int enable) { … } static const struct v4l2_subdev_video_ops ov5647_subdev_video_ops = …; static int ov5647_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov5647_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov5647_get_pad_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov5647_set_pad_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov5647_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } static const struct v4l2_subdev_pad_ops ov5647_subdev_pad_ops = …; static const struct v4l2_subdev_ops ov5647_subdev_ops = …; static int ov5647_detect(struct v4l2_subdev *sd) { … } static int ov5647_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { … } static const struct v4l2_subdev_internal_ops ov5647_subdev_internal_ops = …; static int ov5647_s_auto_white_balance(struct v4l2_subdev *sd, u32 val) { … } static int ov5647_s_autogain(struct v4l2_subdev *sd, u32 val) { … } static int ov5647_s_exposure_auto(struct v4l2_subdev *sd, u32 val) { … } static int ov5647_s_analogue_gain(struct v4l2_subdev *sd, u32 val) { … } static int ov5647_s_exposure(struct v4l2_subdev *sd, u32 val) { … } static int ov5647_s_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov5647_ctrl_ops = …; static int ov5647_init_controls(struct ov5647 *sensor) { … } static int ov5647_parse_dt(struct ov5647 *sensor, struct device_node *np) { … } static int ov5647_probe(struct i2c_client *client) { … } static void ov5647_remove(struct i2c_client *client) { … } static const struct dev_pm_ops ov5647_pm_ops = …; static const struct i2c_device_id ov5647_id[] = …; MODULE_DEVICE_TABLE(i2c, ov5647_id); #if IS_ENABLED(CONFIG_OF) static const struct of_device_id ov5647_of_match[] = …; MODULE_DEVICE_TABLE(of, ov5647_of_match); #endif static struct i2c_driver ov5647_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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