// SPDX-License-Identifier: GPL-2.0 /* * ov2685 driver * * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. */ #include <linux/clk.h> #include <linux/device.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/sysfs.h> #include <media/media-entity.h> #include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #define CHIP_ID … #define OV2685_REG_CHIP_ID … #define OV2685_XVCLK_FREQ … #define REG_SC_CTRL_MODE … #define SC_CTRL_MODE_STANDBY … #define SC_CTRL_MODE_STREAMING … #define OV2685_REG_EXPOSURE … #define OV2685_EXPOSURE_MIN … #define OV2685_EXPOSURE_STEP … #define OV2685_REG_VTS … #define OV2685_VTS_MAX … #define OV2685_REG_GAIN … #define OV2685_GAIN_MIN … #define OV2685_GAIN_MAX … #define OV2685_GAIN_STEP … #define OV2685_GAIN_DEFAULT … #define OV2685_REG_TEST_PATTERN … #define OV2685_TEST_PATTERN_DISABLED … #define OV2685_TEST_PATTERN_COLOR_BAR … #define OV2685_TEST_PATTERN_RANDOM … #define OV2685_TEST_PATTERN_COLOR_BAR_FADE … #define OV2685_TEST_PATTERN_BW_SQUARE … #define OV2685_TEST_PATTERN_COLOR_SQUARE … #define REG_NULL … #define OV2685_REG_VALUE_08BIT … #define OV2685_REG_VALUE_16BIT … #define OV2685_REG_VALUE_24BIT … #define OV2685_NATIVE_WIDTH … #define OV2685_NATIVE_HEIGHT … #define OV2685_LANES … #define OV2685_BITS_PER_SAMPLE … static const char * const ov2685_supply_names[] = …; #define OV2685_NUM_SUPPLIES … struct regval { … }; struct ov2685_mode { … }; struct ov2685 { … }; #define to_ov2685(sd) … /* PLL settings bases on 24M xvclk */ static struct regval ov2685_1600x1200_regs[] = …; #define OV2685_LINK_FREQ_330MHZ … static const s64 link_freq_menu_items[] = …; static const char * const ov2685_test_pattern_menu[] = …; static const int ov2685_test_pattern_val[] = …; static const struct v4l2_rect ov2685_analog_crop = …; static const struct ov2685_mode supported_modes[] = …; /* Write registers up to 4 at a time */ static int ov2685_write_reg(struct i2c_client *client, u16 reg, u32 len, u32 val) { … } static int ov2685_write_array(struct i2c_client *client, const struct regval *regs) { … } /* Read registers up to 4 at a time */ static int ov2685_read_reg(struct i2c_client *client, u16 reg, u32 len, u32 *val) { … } static void ov2685_fill_fmt(const struct ov2685_mode *mode, struct v4l2_mbus_framefmt *fmt) { … } static int ov2685_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov2685_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov2685_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov2685_enum_frame_sizes(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static const struct v4l2_rect * __ov2685_get_pad_crop(struct ov2685 *ov2685, struct v4l2_subdev_state *state, unsigned int pad, enum v4l2_subdev_format_whence which) { … } static int ov2685_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { … } /* Calculate the delay in us by clock rate and clock cycles */ static inline u32 ov2685_cal_delay(u32 cycles) { … } static int __ov2685_power_on(struct ov2685 *ov2685) { … } static void __ov2685_power_off(struct ov2685 *ov2685) { … } static int ov2685_s_stream(struct v4l2_subdev *sd, int on) { … } static int ov2685_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { … } static int __maybe_unused ov2685_runtime_resume(struct device *dev) { … } static int __maybe_unused ov2685_runtime_suspend(struct device *dev) { … } static const struct dev_pm_ops ov2685_pm_ops = …; static int ov2685_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_subdev_video_ops ov2685_video_ops = …; static const struct v4l2_subdev_pad_ops ov2685_pad_ops = …; static const struct v4l2_subdev_ops ov2685_subdev_ops = …; static const struct v4l2_subdev_internal_ops ov2685_internal_ops = …; static const struct v4l2_ctrl_ops ov2685_ctrl_ops = …; static int ov2685_initialize_controls(struct ov2685 *ov2685) { … } static int ov2685_check_sensor_id(struct ov2685 *ov2685, struct i2c_client *client) { … } static int ov2685_configure_regulators(struct ov2685 *ov2685) { … } static int ov2685_probe(struct i2c_client *client) { … } static void ov2685_remove(struct i2c_client *client) { … } #if IS_ENABLED(CONFIG_OF) static const struct of_device_id ov2685_of_match[] = …; MODULE_DEVICE_TABLE(of, ov2685_of_match); #endif static struct i2c_driver ov2685_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux