linux/drivers/media/i2c/ov01a10.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2023 Intel Corporation.
 */

#include <asm/unaligned.h>

#include <linux/acpi.h>
#include <linux/bitfield.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-event.h>
#include <media/v4l2-fwnode.h>

#define OV01A10_LINK_FREQ_400MHZ …
#define OV01A10_SCLK …
#define OV01A10_DATA_LANES …

#define OV01A10_REG_CHIP_ID …
#define OV01A10_CHIP_ID …

#define OV01A10_REG_MODE_SELECT …
#define OV01A10_MODE_STANDBY …
#define OV01A10_MODE_STREAMING …

/* pixel array */
#define OV01A10_PIXEL_ARRAY_WIDTH …
#define OV01A10_PIXEL_ARRAY_HEIGHT …
#define OV01A10_ACITVE_WIDTH …
#define OV01A10_ACITVE_HEIGHT …

/* vertical and horizontal timings */
#define OV01A10_REG_VTS …
#define OV01A10_VTS_DEF …
#define OV01A10_VTS_MIN …
#define OV01A10_VTS_MAX …
#define OV01A10_HTS_DEF …

/* exposure controls */
#define OV01A10_REG_EXPOSURE …
#define OV01A10_EXPOSURE_MIN …
#define OV01A10_EXPOSURE_MAX_MARGIN …
#define OV01A10_EXPOSURE_STEP …

/* analog gain controls */
#define OV01A10_REG_ANALOG_GAIN …
#define OV01A10_ANAL_GAIN_MIN …
#define OV01A10_ANAL_GAIN_MAX …
#define OV01A10_ANAL_GAIN_STEP …

/* digital gain controls */
#define OV01A10_REG_DIGITAL_GAIN_B …
#define OV01A10_REG_DIGITAL_GAIN_GB …
#define OV01A10_REG_DIGITAL_GAIN_GR …
#define OV01A10_REG_DIGITAL_GAIN_R …
#define OV01A10_DGTL_GAIN_MIN …
#define OV01A10_DGTL_GAIN_MAX …
#define OV01A10_DGTL_GAIN_STEP …
#define OV01A10_DGTL_GAIN_DEFAULT …

/* test pattern control */
#define OV01A10_REG_TEST_PATTERN …
#define OV01A10_TEST_PATTERN_ENABLE …
#define OV01A10_LINK_FREQ_400MHZ_INDEX …

/* flip and mirror control */
#define OV01A10_REG_FORMAT1 …
#define OV01A10_VFLIP_MASK …
#define OV01A10_HFLIP_MASK …

/* window offset */
#define OV01A10_REG_X_WIN …
#define OV01A10_REG_Y_WIN …

struct ov01a10_reg { … };

struct ov01a10_reg_list { … };

struct ov01a10_link_freq_config { … };

struct ov01a10_mode { … };

static const struct ov01a10_reg mipi_data_rate_720mbps[] = …;

static const struct ov01a10_reg sensor_1280x800_setting[] = …;

static const char * const ov01a10_test_pattern_menu[] = …;

static const s64 link_freq_menu_items[] = …;

static const struct ov01a10_link_freq_config link_freq_configs[] = …;

static const struct ov01a10_mode supported_modes[] = …;

struct ov01a10 { … };

static inline struct ov01a10 *to_ov01a10(struct v4l2_subdev *subdev)
{ … }

static int ov01a10_read_reg(struct ov01a10 *ov01a10, u16 reg, u16 len, u32 *val)
{ … }

static int ov01a10_write_reg(struct ov01a10 *ov01a10, u16 reg, u16 len, u32 val)
{ … }

static int ov01a10_write_reg_list(struct ov01a10 *ov01a10,
				  const struct ov01a10_reg_list *r_list)
{ … }

static int ov01a10_update_digital_gain(struct ov01a10 *ov01a10, u32 d_gain)
{ … }

static int ov01a10_test_pattern(struct ov01a10 *ov01a10, u32 pattern)
{ … }

/* for vflip and hflip, use 0x9 as window offset to keep the bayer */
static int ov01a10_set_hflip(struct ov01a10 *ov01a10, u32 hflip)
{ … }

static int ov01a10_set_vflip(struct ov01a10 *ov01a10, u32 vflip)
{ … }

static int ov01a10_set_ctrl(struct v4l2_ctrl *ctrl)
{ … }

static const struct v4l2_ctrl_ops ov01a10_ctrl_ops = …;

static int ov01a10_init_controls(struct ov01a10 *ov01a10)
{ … }

static void ov01a10_update_pad_format(const struct ov01a10_mode *mode,
				      struct v4l2_mbus_framefmt *fmt)
{ … }

static int ov01a10_start_streaming(struct ov01a10 *ov01a10)
{ … }

static void ov01a10_stop_streaming(struct ov01a10 *ov01a10)
{ … }

static int ov01a10_set_stream(struct v4l2_subdev *sd, int enable)
{ … }

static int ov01a10_set_format(struct v4l2_subdev *sd,
			      struct v4l2_subdev_state *sd_state,
			      struct v4l2_subdev_format *fmt)
{ … }

static int ov01a10_init_state(struct v4l2_subdev *sd,
			      struct v4l2_subdev_state *state)
{ … }

static int ov01a10_enum_mbus_code(struct v4l2_subdev *sd,
				  struct v4l2_subdev_state *sd_state,
				  struct v4l2_subdev_mbus_code_enum *code)
{ … }

static int ov01a10_enum_frame_size(struct v4l2_subdev *sd,
				   struct v4l2_subdev_state *sd_state,
				   struct v4l2_subdev_frame_size_enum *fse)
{ … }

static int ov01a10_get_selection(struct v4l2_subdev *sd,
				 struct v4l2_subdev_state *state,
				 struct v4l2_subdev_selection *sel)
{ … }

static const struct v4l2_subdev_core_ops ov01a10_core_ops = …;

static const struct v4l2_subdev_video_ops ov01a10_video_ops = …;

static const struct v4l2_subdev_pad_ops ov01a10_pad_ops = …;

static const struct v4l2_subdev_ops ov01a10_subdev_ops = …;

static const struct v4l2_subdev_internal_ops ov01a10_internal_ops = …;

static const struct media_entity_operations ov01a10_subdev_entity_ops = …;

static int ov01a10_identify_module(struct ov01a10 *ov01a10)
{ … }

static void ov01a10_remove(struct i2c_client *client)
{ … }

static int ov01a10_probe(struct i2c_client *client)
{ … }

#ifdef CONFIG_ACPI
static const struct acpi_device_id ov01a10_acpi_ids[] = …;

MODULE_DEVICE_TABLE(acpi, ov01a10_acpi_ids);
#endif

static struct i2c_driver ov01a10_i2c_driver = …;

module_i2c_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;