// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2019 Intel Corporation. #include <asm/unaligned.h> #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 <linux/regulator/consumer.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #define OV8856_REG_VALUE_08BIT … #define OV8856_REG_VALUE_16BIT … #define OV8856_REG_VALUE_24BIT … #define OV8856_SCLK … #define OV8856_XVCLK_19_2 … #define OV8856_DATA_LANES … #define OV8856_RGB_DEPTH … #define OV8856_REG_CHIP_ID … #define OV8856_CHIP_ID … #define OV8856_REG_MODE_SELECT … #define OV8856_MODE_STANDBY … #define OV8856_MODE_STREAMING … /* module revisions */ #define OV8856_2A_MODULE … #define OV8856_1B_MODULE … /* the OTP read-out buffer is at 0x7000 and 0xf is the offset * of the byte in the OTP that means the module revision */ #define OV8856_MODULE_REVISION … #define OV8856_OTP_MODE_CTRL … #define OV8856_OTP_LOAD_CTRL … #define OV8856_OTP_MODE_AUTO … #define OV8856_OTP_LOAD_CTRL_ENABLE … /* vertical-timings from sensor */ #define OV8856_REG_VTS … #define OV8856_VTS_MAX … /* horizontal-timings from sensor */ #define OV8856_REG_HTS … /* Exposure controls from sensor */ #define OV8856_REG_EXPOSURE … #define OV8856_EXPOSURE_MIN … #define OV8856_EXPOSURE_MAX_MARGIN … #define OV8856_EXPOSURE_STEP … /* Analog gain controls from sensor */ #define OV8856_REG_ANALOG_GAIN … #define OV8856_ANAL_GAIN_MIN … #define OV8856_ANAL_GAIN_MAX … #define OV8856_ANAL_GAIN_STEP … /* Digital gain controls from sensor */ #define OV8856_REG_DIGITAL_GAIN … #define OV8856_REG_MWB_R_GAIN … #define OV8856_REG_MWB_G_GAIN … #define OV8856_REG_MWB_B_GAIN … #define OV8856_DGTL_GAIN_MIN … #define OV8856_DGTL_GAIN_MAX … #define OV8856_DGTL_GAIN_STEP … #define OV8856_DGTL_GAIN_DEFAULT … /* Test Pattern Control */ #define OV8856_REG_TEST_PATTERN … #define OV8856_TEST_PATTERN_ENABLE … #define OV8856_TEST_PATTERN_BAR_SHIFT … #define NUM_REGS … #define NUM_MODE_REGS … #define NUM_MODE_REGS_2 … /* Flip Mirror Controls from sensor */ #define OV8856_REG_FORMAT1 … #define OV8856_REG_FORMAT2 … #define OV8856_REG_FORMAT1_OP_1 … #define OV8856_REG_FORMAT1_OP_2 … #define OV8856_REG_FORMAT1_OP_3 … #define OV8856_REG_FORMAT2_OP_1 … #define OV8856_REG_FORMAT2_OP_2 … #define OV8856_REG_FORMAT2_OP_3 … #define OV8856_REG_FLIP_OPT_1 … #define OV8856_REG_FLIP_OPT_2 … #define OV8856_REG_FLIP_OPT_3 … #define OV8856_REG_MIRROR_OPT_1 … #define OV8856_REG_FLIP_OP_0 … #define OV8856_REG_FLIP_OP_1 … #define OV8856_REG_FLIP_OP_2 … #define OV8856_REG_MIRROR_OP_1 … #define OV8856_REG_MIRROR_OP_2 … #define to_ov8856(_sd) … static const char * const ov8856_supply_names[] = …; enum { … }; struct ov8856_reg { … }; struct ov8856_reg_list { … }; struct ov8856_link_freq_config { … }; struct ov8856_mode { … }; struct ov8856_mipi_data_rates { … }; static const struct ov8856_mipi_data_rates mipi_data_rate_lane_2 = …; static const struct ov8856_mipi_data_rates mipi_data_rate_lane_4 = …; static const struct ov8856_reg lane_2_mode_3280x2464[] = …; static const struct ov8856_reg lane_2_mode_1640x1232[] = …; static const struct ov8856_reg lane_4_mode_3280x2464[] = …; static const struct ov8856_reg lane_4_mode_1640x1232[] = …; static const struct ov8856_reg lane_4_mode_3264x2448[] = …; static const struct ov8856_reg lane_4_mode_1632x1224[] = …; static const struct ov8856_reg mipi_data_mbus_sbggr10_1x10[] = …; static const struct ov8856_reg mipi_data_mbus_sgrbg10_1x10[] = …; static const u32 ov8856_mbus_codes[] = …; static const char * const ov8856_test_pattern_menu[] = …; static const struct ov8856_reg_list bayer_offset_configs[] = …; struct ov8856 { … }; struct ov8856_lane_cfg { … }; static const struct ov8856_lane_cfg lane_cfg_2 = …; static const struct ov8856_lane_cfg lane_cfg_4 = …; static unsigned int ov8856_modes_num(const struct ov8856 *ov8856) { … } static u64 to_rate(const s64 *link_freq_menu_items, u32 f_index, u8 nlanes) { … } static u64 to_pixels_per_line(const s64 *link_freq_menu_items, u32 hts, u32 f_index, u8 nlanes) { … } static int ov8856_read_reg(struct ov8856 *ov8856, u16 reg, u16 len, u32 *val) { … } static int ov8856_write_reg(struct ov8856 *ov8856, u16 reg, u16 len, u32 val) { … } static int ov8856_write_reg_list(struct ov8856 *ov8856, const struct ov8856_reg_list *r_list) { … } static int ov8856_identify_module(struct ov8856 *ov8856) { … } static int ov8856_update_digital_gain(struct ov8856 *ov8856, u32 d_gain) { … } static int ov8856_test_pattern(struct ov8856 *ov8856, u32 pattern) { … } static int ov8856_set_ctrl_hflip(struct ov8856 *ov8856, u32 ctrl_val) { … } static int ov8856_set_ctrl_vflip(struct ov8856 *ov8856, u8 ctrl_val) { … } static int ov8856_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov8856_ctrl_ops = …; static int ov8856_init_controls(struct ov8856 *ov8856) { … } static void ov8856_update_pad_format(struct ov8856 *ov8856, const struct ov8856_mode *mode, struct v4l2_mbus_framefmt *fmt) { … } static int ov8856_start_streaming(struct ov8856 *ov8856) { … } static void ov8856_stop_streaming(struct ov8856 *ov8856) { … } static int ov8856_set_stream(struct v4l2_subdev *sd, int enable) { … } static int ov8856_power_on(struct device *dev) { … } static int ov8856_power_off(struct device *dev) { … } static int ov8856_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov8856_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov8856_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov8856_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov8856_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { … } static const struct v4l2_subdev_video_ops ov8856_video_ops = …; static const struct v4l2_subdev_pad_ops ov8856_pad_ops = …; static const struct v4l2_subdev_ops ov8856_subdev_ops = …; static const struct media_entity_operations ov8856_subdev_entity_ops = …; static const struct v4l2_subdev_internal_ops ov8856_internal_ops = …; static int ov8856_get_hwcfg(struct ov8856 *ov8856, struct device *dev) { … } static void ov8856_remove(struct i2c_client *client) { … } static int ov8856_probe(struct i2c_client *client) { … } static const struct dev_pm_ops ov8856_pm_ops = …; #ifdef CONFIG_ACPI static const struct acpi_device_id ov8856_acpi_ids[] = …; MODULE_DEVICE_TABLE(acpi, ov8856_acpi_ids); #endif static const struct of_device_id ov8856_of_match[] = …; MODULE_DEVICE_TABLE(of, ov8856_of_match); static struct i2c_driver ov8856_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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