// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2020 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/nvmem-provider.h> #include <linux/regmap.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #define OV2740_LINK_FREQ_360MHZ … #define OV2740_LINK_FREQ_180MHZ … #define OV2740_SCLK … #define OV2740_MCLK … #define OV2740_DATA_LANES … #define OV2740_RGB_DEPTH … #define OV2740_REG_CHIP_ID … #define OV2740_CHIP_ID … #define OV2740_REG_MODE_SELECT … #define OV2740_MODE_STANDBY … #define OV2740_MODE_STREAMING … /* vertical-timings from sensor */ #define OV2740_REG_VTS … /* horizontal-timings from sensor */ #define OV2740_REG_HTS … /* Exposure controls from sensor */ #define OV2740_REG_EXPOSURE … #define OV2740_EXPOSURE_MIN … #define OV2740_EXPOSURE_MAX_MARGIN … #define OV2740_EXPOSURE_STEP … /* Analog gain controls from sensor */ #define OV2740_REG_ANALOG_GAIN … #define OV2740_ANAL_GAIN_MIN … #define OV2740_ANAL_GAIN_MAX … #define OV2740_ANAL_GAIN_STEP … /* Digital gain controls from sensor */ #define OV2740_REG_MWB_R_GAIN … #define OV2740_REG_MWB_G_GAIN … #define OV2740_REG_MWB_B_GAIN … #define OV2740_DGTL_GAIN_MIN … #define OV2740_DGTL_GAIN_MAX … #define OV2740_DGTL_GAIN_STEP … #define OV2740_DGTL_GAIN_DEFAULT … /* Test Pattern Control */ #define OV2740_REG_TEST_PATTERN … #define OV2740_TEST_PATTERN_ENABLE … #define OV2740_TEST_PATTERN_BAR_SHIFT … /* Group Access */ #define OV2740_REG_GROUP_ACCESS … #define OV2740_GROUP_HOLD_START … #define OV2740_GROUP_HOLD_END … #define OV2740_GROUP_HOLD_LAUNCH … /* ISP CTRL00 */ #define OV2740_REG_ISP_CTRL00 … /* ISP CTRL01 */ #define OV2740_REG_ISP_CTRL01 … /* Customer Addresses: 0x7010 - 0x710F */ #define CUSTOMER_USE_OTP_SIZE … /* OTP registers from sensor */ #define OV2740_REG_OTP_CUSTOMER … struct nvm_data { … }; enum { … }; struct ov2740_reg { … }; struct ov2740_reg_list { … }; struct ov2740_link_freq_config { … }; struct ov2740_mode { … }; static const struct ov2740_reg mipi_data_rate_720mbps[] = …; static const struct ov2740_reg mipi_data_rate_360mbps[] = …; static const struct ov2740_reg mode_1932x1092_regs_360mhz[] = …; static const struct ov2740_reg mode_1932x1092_regs_180mhz[] = …; static const char * const ov2740_test_pattern_menu[] = …; static const s64 link_freq_menu_items[] = …; static const struct ov2740_link_freq_config link_freq_configs[] = …; static const struct ov2740_mode supported_modes_360mhz[] = …; static const struct ov2740_mode supported_modes_180mhz[] = …; struct ov2740 { … }; static inline struct ov2740 *to_ov2740(struct v4l2_subdev *subdev) { … } static u64 to_pixel_rate(u32 f_index) { … } static int ov2740_read_reg(struct ov2740 *ov2740, u16 reg, u16 len, u32 *val) { … } static int ov2740_write_reg(struct ov2740 *ov2740, u16 reg, u16 len, u32 val) { … } static int ov2740_write_reg_list(struct ov2740 *ov2740, const struct ov2740_reg_list *r_list) { … } static int ov2740_identify_module(struct ov2740 *ov2740) { … } static int ov2740_update_digital_gain(struct ov2740 *ov2740, u32 d_gain) { … } static int ov2740_test_pattern(struct ov2740 *ov2740, u32 pattern) { … } static int ov2740_set_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ov2740_ctrl_ops = …; static int ov2740_init_controls(struct ov2740 *ov2740) { … } static void ov2740_update_pad_format(const struct ov2740_mode *mode, struct v4l2_mbus_framefmt *fmt) { … } static int ov2740_load_otp_data(struct nvm_data *nvm) { … } static int ov2740_start_streaming(struct ov2740 *ov2740) { … } static void ov2740_stop_streaming(struct ov2740 *ov2740) { … } static int ov2740_set_stream(struct v4l2_subdev *sd, int enable) { … } static int ov2740_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { … } static int ov2740_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov2740_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov2740_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state) { … } static const struct v4l2_subdev_video_ops ov2740_video_ops = …; static const struct v4l2_subdev_pad_ops ov2740_pad_ops = …; static const struct v4l2_subdev_ops ov2740_subdev_ops = …; static const struct v4l2_subdev_internal_ops ov2740_internal_ops = …; static const struct media_entity_operations ov2740_subdev_entity_ops = …; static int ov2740_check_hwcfg(struct device *dev) { … } static void ov2740_remove(struct i2c_client *client) { … } static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, size_t count) { … } static int ov2740_register_nvmem(struct i2c_client *client, struct ov2740 *ov2740) { … } static int ov2740_suspend(struct device *dev) { … } static int ov2740_resume(struct device *dev) { … } static int ov2740_probe(struct i2c_client *client) { … } static DEFINE_RUNTIME_DEV_PM_OPS(ov2740_pm_ops, ov2740_suspend, ov2740_resume, NULL); static const struct acpi_device_id ov2740_acpi_ids[] = …; MODULE_DEVICE_TABLE(acpi, ov2740_acpi_ids); static struct i2c_driver ov2740_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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