// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2021 Intel Corporation. #include <linux/acpi.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #define OV13B10_REG_VALUE_08BIT … #define OV13B10_REG_VALUE_16BIT … #define OV13B10_REG_VALUE_24BIT … #define OV13B10_REG_MODE_SELECT … #define OV13B10_MODE_STANDBY … #define OV13B10_MODE_STREAMING … #define OV13B10_REG_SOFTWARE_RST … #define OV13B10_SOFTWARE_RST … /* Chip ID */ #define OV13B10_REG_CHIP_ID … #define OV13B10_CHIP_ID … /* V_TIMING internal */ #define OV13B10_REG_VTS … #define OV13B10_VTS_30FPS … #define OV13B10_VTS_60FPS … #define OV13B10_VTS_120FPS … #define OV13B10_VTS_MAX … /* HBLANK control - read only */ #define OV13B10_PPL_560MHZ … /* Exposure control */ #define OV13B10_REG_EXPOSURE … #define OV13B10_EXPOSURE_MIN … #define OV13B10_EXPOSURE_STEP … #define OV13B10_EXPOSURE_DEFAULT … /* Analog gain control */ #define OV13B10_REG_ANALOG_GAIN … #define OV13B10_ANA_GAIN_MIN … #define OV13B10_ANA_GAIN_MAX … #define OV13B10_ANA_GAIN_STEP … #define OV13B10_ANA_GAIN_DEFAULT … /* Digital gain control */ #define OV13B10_REG_DGTL_GAIN_H … #define OV13B10_REG_DGTL_GAIN_M … #define OV13B10_REG_DGTL_GAIN_L … #define OV13B10_DGTL_GAIN_MIN … #define OV13B10_DGTL_GAIN_MAX … #define OV13B10_DGTL_GAIN_DEFAULT … #define OV13B10_DGTL_GAIN_STEP … #define OV13B10_DGTL_GAIN_L_SHIFT … #define OV13B10_DGTL_GAIN_L_MASK … #define OV13B10_DGTL_GAIN_M_SHIFT … #define OV13B10_DGTL_GAIN_M_MASK … #define OV13B10_DGTL_GAIN_H_SHIFT … #define OV13B10_DGTL_GAIN_H_MASK … /* Test Pattern Control */ #define OV13B10_REG_TEST_PATTERN … #define OV13B10_TEST_PATTERN_ENABLE … #define OV13B10_TEST_PATTERN_MASK … #define OV13B10_TEST_PATTERN_BAR_SHIFT … /* Flip Control */ #define OV13B10_REG_FORMAT1 … #define OV13B10_REG_FORMAT2 … /* Horizontal Window Offset */ #define OV13B10_REG_H_WIN_OFFSET … /* Vertical Window Offset */ #define OV13B10_REG_V_WIN_OFFSET … struct ov13b10_reg { … }; struct ov13b10_reg_list { … }; /* Link frequency config */ struct ov13b10_link_freq_config { … }; /* Mode : resolution and related config&values */ struct ov13b10_mode { … }; /* 4208x3120 needs 1120Mbps/lane, 4 lanes */ static const struct ov13b10_reg mipi_data_rate_1120mbps[] = …; static const struct ov13b10_reg mode_4208x3120_regs[] = …; static const struct ov13b10_reg mode_4160x3120_regs[] = …; static const struct ov13b10_reg mode_4160x2340_regs[] = …; static const struct ov13b10_reg mode_2104x1560_regs[] = …; static const struct ov13b10_reg mode_2080x1170_regs[] = …; static const struct ov13b10_reg mode_1364x768_120fps_regs[] = …; static const char * const ov13b10_test_pattern_menu[] = …; /* Configurations for supported link frequencies */ #define OV13B10_LINK_FREQ_560MHZ … #define OV13B10_LINK_FREQ_INDEX_0 … #define OV13B10_EXT_CLK … #define OV13B10_DATA_LANES … /* * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample * data rate => double data rate; number of lanes => 4; bits per pixel => 10 */ static u64 link_freq_to_pixel_rate(u64 f) { … } /* Menu items for LINK_FREQ V4L2 control */ static const s64 link_freq_menu_items[] = …; /* Link frequency configs */ static const struct ov13b10_link_freq_config link_freq_configs[] = …; /* Mode configs */ static const struct ov13b10_mode supported_modes[] = …; struct ov13b10 { … }; #define to_ov13b10(_sd) … /* Read registers up to 4 at a time */ static int ov13b10_read_reg(struct ov13b10 *ov13b, u16 reg, u32 len, u32 *val) { … } /* Write registers up to 4 at a time */ static int ov13b10_write_reg(struct ov13b10 *ov13b, u16 reg, u32 len, u32 __val) { … } /* Write a list of registers */ static int ov13b10_write_regs(struct ov13b10 *ov13b, const struct ov13b10_reg *regs, u32 len) { … } static int ov13b10_write_reg_list(struct ov13b10 *ov13b, const struct ov13b10_reg_list *r_list) { … } /* Open sub-device */ static int ov13b10_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { … } static int ov13b10_update_digital_gain(struct ov13b10 *ov13b, u32 d_gain) { … } static int ov13b10_enable_test_pattern(struct ov13b10 *ov13b, u32 pattern) { … } static int ov13b10_set_ctrl_hflip(struct ov13b10 *ov13b, u32 ctrl_val) { … } static int ov13b10_set_ctrl_vflip(struct ov13b10 *ov13b, u32 ctrl_val) { … } static int ov13b10_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov13b10_ctrl_ops = …; static int ov13b10_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov13b10_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static void ov13b10_update_pad_format(const struct ov13b10_mode *mode, struct v4l2_subdev_format *fmt) { … } static int ov13b10_do_get_pad_format(struct ov13b10 *ov13b, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov13b10_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov13b10_set_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } /* Verify chip ID */ static int ov13b10_identify_module(struct ov13b10 *ov13b) { … } static int ov13b10_power_off(struct device *dev) { … } static int ov13b10_power_on(struct device *dev) { … } static int ov13b10_start_streaming(struct ov13b10 *ov13b) { … } /* Stop streaming */ static int ov13b10_stop_streaming(struct ov13b10 *ov13b) { … } static int ov13b10_set_stream(struct v4l2_subdev *sd, int enable) { … } static int ov13b10_suspend(struct device *dev) { … } static int ov13b10_resume(struct device *dev) { … } static const struct v4l2_subdev_video_ops ov13b10_video_ops = …; static const struct v4l2_subdev_pad_ops ov13b10_pad_ops = …; static const struct v4l2_subdev_ops ov13b10_subdev_ops = …; static const struct media_entity_operations ov13b10_subdev_entity_ops = …; static const struct v4l2_subdev_internal_ops ov13b10_internal_ops = …; /* Initialize control handlers */ static int ov13b10_init_controls(struct ov13b10 *ov13b) { … } static void ov13b10_free_controls(struct ov13b10 *ov13b) { … } static int ov13b10_get_pm_resources(struct device *dev) { … } static int ov13b10_check_hwcfg(struct device *dev) { … } static int ov13b10_probe(struct i2c_client *client) { … } static void ov13b10_remove(struct i2c_client *client) { … } static DEFINE_RUNTIME_DEV_PM_OPS(ov13b10_pm_ops, ov13b10_suspend, ov13b10_resume, NULL); #ifdef CONFIG_ACPI static const struct acpi_device_id ov13b10_acpi_ids[] = …; MODULE_DEVICE_TABLE(acpi, ov13b10_acpi_ids); #endif static struct i2c_driver ov13b10_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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