// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2023 Jacopo Mondi <[email protected]> * Copyright (C) 2022 Nicholas Roth <[email protected]> * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. */ #include <linux/unaligned.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <media/media-entity.h> #include <media/v4l2-async.h> #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-event.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-mediabus.h> #include <media/v4l2-subdev.h> #define OV8858_LINK_FREQ … #define OV8858_XVCLK_FREQ … #define OV8858_REG_SIZE_SHIFT … #define OV8858_REG_ADDR_MASK … #define OV8858_REG_8BIT(n) … #define OV8858_REG_16BIT(n) … #define OV8858_REG_24BIT(n) … #define OV8858_REG_SC_CTRL0100 … #define OV8858_MODE_SW_STANDBY … #define OV8858_MODE_STREAMING … #define OV8858_REG_CHIP_ID … #define OV8858_CHIP_ID … #define OV8858_REG_SUB_ID … #define OV8858_R1A … #define OV8858_R2A … #define OV8858_REG_LONG_EXPO … #define OV8858_EXPOSURE_MIN … #define OV8858_EXPOSURE_STEP … #define OV8858_EXPOSURE_MARGIN … #define OV8858_REG_LONG_GAIN … #define OV8858_LONG_GAIN_MIN … #define OV8858_LONG_GAIN_MAX … #define OV8858_LONG_GAIN_STEP … #define OV8858_LONG_GAIN_DEFAULT … #define OV8858_REG_LONG_DIGIGAIN … #define OV8858_LONG_DIGIGAIN_H_MASK … #define OV8858_LONG_DIGIGAIN_L_MASK … #define OV8858_LONG_DIGIGAIN_H_SHIFT … #define OV8858_LONG_DIGIGAIN_MIN … #define OV8858_LONG_DIGIGAIN_MAX … #define OV8858_LONG_DIGIGAIN_STEP … #define OV8858_LONG_DIGIGAIN_DEFAULT … #define OV8858_REG_VTS … #define OV8858_VTS_MAX … #define OV8858_REG_TEST_PATTERN … #define OV8858_TEST_PATTERN_ENABLE … #define OV8858_TEST_PATTERN_DISABLE … #define REG_NULL … static const char * const ov8858_supply_names[] = …; struct regval { … }; struct regval_modes { … }; struct ov8858_mode { … }; struct ov8858 { … }; static inline struct ov8858 *sd_to_ov8858(struct v4l2_subdev *sd) { … } static const struct regval ov8858_global_regs_r1a[] = …; static const struct regval ov8858_global_regs_r2a_2lane[] = …; /* * Xclk 24Mhz * max_framerate 30fps * mipi_datarate per lane 720Mbps */ static const struct regval ov8858_1632x1224_regs_2lane[] = …; /* * Xclk 24Mhz * max_framerate 15fps * mipi_datarate per lane 720Mbps */ static const struct regval ov8858_3264x2448_regs_2lane[] = …; static const struct regval ov8858_global_regs_r2a_4lane[] = …; /* * Xclk 24Mhz * max_framerate 60fps * mipi_datarate per lane 720Mbps */ static const struct regval ov8858_1632x1224_regs_4lane[] = …; /* * Xclk 24Mhz * max_framerate 30fps * mipi_datarate per lane 720Mbps */ static const struct regval ov8858_3264x2448_regs_4lane[] = …; static const struct ov8858_mode ov8858_modes[] = …; static const s64 link_freq_menu_items[] = …; static const char * const ov8858_test_pattern_menu[] = …; /* ---------------------------------------------------------------------------- * HW access */ static int ov8858_write(struct ov8858 *ov8858, u32 reg, u32 val, int *err) { … } static int ov8858_write_array(struct ov8858 *ov8858, const struct regval *regs) { … } static int ov8858_read(struct ov8858 *ov8858, u32 reg, u32 *val) { … } /* ---------------------------------------------------------------------------- * Streaming */ static int ov8858_start_stream(struct ov8858 *ov8858, struct v4l2_subdev_state *state) { … } static int ov8858_stop_stream(struct ov8858 *ov8858) { … } static int ov8858_s_stream(struct v4l2_subdev *sd, int on) { … } static const struct v4l2_subdev_video_ops ov8858_video_ops = …; /* ---------------------------------------------------------------------------- * Pad ops */ static int ov8858_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *fmt) { … } static int ov8858_enum_frame_sizes(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov8858_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov8858_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { … } static const struct v4l2_subdev_pad_ops ov8858_pad_ops = …; static const struct v4l2_subdev_core_ops ov8858_core_ops = …; static const struct v4l2_subdev_ops ov8858_subdev_ops = …; static const struct v4l2_subdev_internal_ops ov8858_internal_ops = …; /* ---------------------------------------------------------------------------- * Controls handling */ static int ov8858_enable_test_pattern(struct ov8858 *ov8858, u32 pattern) { … } static int ov8858_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov8858_ctrl_ops = …; /* ---------------------------------------------------------------------------- * Power Management */ static int ov8858_power_on(struct ov8858 *ov8858) { … } static void ov8858_power_off(struct ov8858 *ov8858) { … } static int ov8858_runtime_resume(struct device *dev) { … } static int ov8858_runtime_suspend(struct device *dev) { … } static const struct dev_pm_ops ov8858_pm_ops = …; /* ---------------------------------------------------------------------------- * Probe and initialization */ static int ov8858_init_ctrls(struct ov8858 *ov8858) { … } static int ov8858_check_sensor_id(struct ov8858 *ov8858) { … } static int ov8858_configure_regulators(struct ov8858 *ov8858) { … } static int ov8858_parse_of(struct ov8858 *ov8858) { … } static int ov8858_probe(struct i2c_client *client) { … } static void ov8858_remove(struct i2c_client *client) { … } static const struct of_device_id ov8858_of_match[] = …; MODULE_DEVICE_TABLE(of, ov8858_of_match); static struct i2c_driver ov8858_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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