// SPDX-License-Identifier: GPL-2.0 /* * Support for OmniVision OV2722 1080p HD camera sensor. * * Copyright (c) 2013 Intel Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include <linux/module.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/kmod.h> #include <linux/device.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/i2c.h> #include <linux/moduleparam.h> #include <media/v4l2-device.h> #include "../include/linux/atomisp_gmin_platform.h" #include <linux/acpi.h> #include <linux/io.h> #include "ov2722.h" /* i2c read/write stuff */ static int ov2722_read_reg(struct i2c_client *client, u16 data_length, u16 reg, u16 *val) { … } static int ov2722_i2c_write(struct i2c_client *client, u16 len, u8 *data) { … } static int ov2722_write_reg(struct i2c_client *client, u16 data_length, u16 reg, u16 val) { … } /* * ov2722_write_reg_array - Initializes a list of OV2722 registers * @client: i2c driver client structure * @reglist: list of registers to be written * * This function initializes a list of registers. When consecutive addresses * are found in a row on the list, this function creates a buffer and sends * consecutive data in a single i2c_transfer(). * * __ov2722_flush_reg_array, __ov2722_buf_reg_array() and * __ov2722_write_reg_is_consecutive() are internal functions to * ov2722_write_reg_array_fast() and should be not used anywhere else. * */ static int __ov2722_flush_reg_array(struct i2c_client *client, struct ov2722_write_ctrl *ctrl) { … } static int __ov2722_buf_reg_array(struct i2c_client *client, struct ov2722_write_ctrl *ctrl, const struct ov2722_reg *next) { … } static int __ov2722_write_reg_is_consecutive(struct i2c_client *client, struct ov2722_write_ctrl *ctrl, const struct ov2722_reg *next) { … } static int ov2722_write_reg_array(struct i2c_client *client, const struct ov2722_reg *reglist) { … } static long __ov2722_set_exposure(struct v4l2_subdev *sd, int coarse_itg, int gain, int digitgain) { … } static int ov2722_set_exposure(struct v4l2_subdev *sd, int exposure, int gain, int digitgain) { … } static long ov2722_s_exposure(struct v4l2_subdev *sd, struct atomisp_exposure *exposure) { … } static long ov2722_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { … } /* This returns the exposure time being used. This should only be used * for filling in EXIF data, not for actual image processing. */ static int ov2722_q_exposure(struct v4l2_subdev *sd, s32 *value) { … } static int ov2722_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { … } static const struct v4l2_ctrl_ops ctrl_ops = …; static const struct v4l2_ctrl_config ov2722_controls[] = …; static int ov2722_init(struct v4l2_subdev *sd) { … } static int power_ctrl(struct v4l2_subdev *sd, bool flag) { … } static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) { … } static int power_up(struct v4l2_subdev *sd) { … } static int power_down(struct v4l2_subdev *sd) { … } static int ov2722_s_power(struct v4l2_subdev *sd, int on) { … } /* TODO: remove it. */ static int startup(struct v4l2_subdev *sd) { … } static int ov2722_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov2722_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { … } static int ov2722_detect(struct i2c_client *client) { … } static int ov2722_s_stream(struct v4l2_subdev *sd, int enable) { … } static int ov2722_s_config(struct v4l2_subdev *sd, int irq, void *platform_data) { … } static int ov2722_get_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_interval *interval) { … } static int ov2722_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { … } static int ov2722_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { … } static int ov2722_g_skip_frames(struct v4l2_subdev *sd, u32 *frames) { … } static const struct v4l2_subdev_sensor_ops ov2722_sensor_ops = …; static const struct v4l2_subdev_video_ops ov2722_video_ops = …; static const struct v4l2_subdev_core_ops ov2722_core_ops = …; static const struct v4l2_subdev_pad_ops ov2722_pad_ops = …; static const struct v4l2_subdev_ops ov2722_ops = …; static void ov2722_remove(struct i2c_client *client) { … } static int __ov2722_init_ctrl_handler(struct ov2722_device *dev) { … } static int ov2722_probe(struct i2c_client *client) { … } static const struct acpi_device_id ov2722_acpi_match[] = …; MODULE_DEVICE_TABLE(acpi, ov2722_acpi_match); static struct i2c_driver ov2722_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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