// SPDX-License-Identifier: GPL-2.0 /* * ov5695 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-subdev.h> #ifndef V4L2_CID_DIGITAL_GAIN #define V4L2_CID_DIGITAL_GAIN … #endif /* 45Mhz * 4 Binning */ #define OV5695_PIXEL_RATE … #define OV5695_XVCLK_FREQ … #define CHIP_ID … #define OV5695_REG_CHIP_ID … #define OV5695_REG_CTRL_MODE … #define OV5695_MODE_SW_STANDBY … #define OV5695_MODE_STREAMING … #define OV5695_REG_EXPOSURE … #define OV5695_EXPOSURE_MIN … #define OV5695_EXPOSURE_STEP … #define OV5695_VTS_MAX … #define OV5695_REG_ANALOG_GAIN … #define ANALOG_GAIN_MIN … #define ANALOG_GAIN_MAX … #define ANALOG_GAIN_STEP … #define ANALOG_GAIN_DEFAULT … #define OV5695_REG_DIGI_GAIN_H … #define OV5695_REG_DIGI_GAIN_L … #define OV5695_DIGI_GAIN_L_MASK … #define OV5695_DIGI_GAIN_H_SHIFT … #define OV5695_DIGI_GAIN_MIN … #define OV5695_DIGI_GAIN_MAX … #define OV5695_DIGI_GAIN_STEP … #define OV5695_DIGI_GAIN_DEFAULT … #define OV5695_REG_TEST_PATTERN … #define OV5695_TEST_PATTERN_ENABLE … #define OV5695_TEST_PATTERN_DISABLE … #define OV5695_REG_VTS … #define REG_NULL … #define OV5695_REG_VALUE_08BIT … #define OV5695_REG_VALUE_16BIT … #define OV5695_REG_VALUE_24BIT … #define OV5695_LANES … #define OV5695_BITS_PER_SAMPLE … static const char * const ov5695_supply_names[] = …; #define OV5695_NUM_SUPPLIES … struct regval { … }; struct ov5695_mode { … }; struct ov5695 { … }; #define to_ov5695(sd) … /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1296 * grabwindow_height 972 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_global_regs[] = …; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 740(0x2e4) * framelength 2024(0x7e8) * grabwindow_width 2592 * grabwindow_height 1944 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_2592x1944_regs[] = …; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1920 * grabwindow_height 1080 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1920x1080_regs[] = …; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 740(0x02e4) * framelength 1012(0x03f4) * grabwindow_width 1296 * grabwindow_height 972 * max_framerate 60fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1296x972_regs[] = …; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1280 * grabwindow_height 720 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1280x720_regs[] = …; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 558(0x22e) * grabwindow_width 640 * grabwindow_height 480 * max_framerate 120fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_640x480_regs[] = …; static const struct ov5695_mode supported_modes[] = …; #define OV5695_LINK_FREQ_420MHZ … static const s64 link_freq_menu_items[] = …; static const char * const ov5695_test_pattern_menu[] = …; /* Write registers up to 4 at a time */ static int ov5695_write_reg(struct i2c_client *client, u16 reg, u32 len, u32 val) { … } static int ov5695_write_array(struct i2c_client *client, const struct regval *regs) { … } /* Read registers up to 4 at a time */ static int ov5695_read_reg(struct i2c_client *client, u16 reg, unsigned int len, u32 *val) { … } static int ov5695_get_reso_dist(const struct ov5695_mode *mode, struct v4l2_mbus_framefmt *framefmt) { … } static const struct ov5695_mode * ov5695_find_best_fit(struct v4l2_subdev_format *fmt) { … } static int ov5695_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov5695_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov5695_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov5695_enum_frame_sizes(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov5695_enable_test_pattern(struct ov5695 *ov5695, u32 pattern) { … } static int __ov5695_start_stream(struct ov5695 *ov5695) { … } static int __ov5695_stop_stream(struct ov5695 *ov5695) { … } static int ov5695_s_stream(struct v4l2_subdev *sd, int on) { … } static int __ov5695_power_on(struct ov5695 *ov5695) { … } static void __ov5695_power_off(struct ov5695 *ov5695) { … } static int __maybe_unused ov5695_runtime_resume(struct device *dev) { … } static int __maybe_unused ov5695_runtime_suspend(struct device *dev) { … } static int ov5695_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { … } static const struct dev_pm_ops ov5695_pm_ops = …; static const struct v4l2_subdev_internal_ops ov5695_internal_ops = …; static const struct v4l2_subdev_video_ops ov5695_video_ops = …; static const struct v4l2_subdev_pad_ops ov5695_pad_ops = …; static const struct v4l2_subdev_ops ov5695_subdev_ops = …; static int ov5695_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov5695_ctrl_ops = …; static int ov5695_initialize_controls(struct ov5695 *ov5695) { … } static int ov5695_check_sensor_id(struct ov5695 *ov5695, struct i2c_client *client) { … } static int ov5695_configure_regulators(struct ov5695 *ov5695) { … } static int ov5695_probe(struct i2c_client *client) { … } static void ov5695_remove(struct i2c_client *client) { … } #if IS_ENABLED(CONFIG_OF) static const struct of_device_id ov5695_of_match[] = …; MODULE_DEVICE_TABLE(of, ov5695_of_match); #endif static struct i2c_driver ov5695_i2c_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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