// SPDX-License-Identifier: GPL-2.0
/*
 * drivers/video/rockchip/video/vehicle_dev.c
 *
 * Copyright (C) 2022 Rockchip Electronics Co.Ltd
 * Authors:
 *      Zhiqin Wei <wzq@rock-chips.com>
 *
 *
 */

#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/miscdevice.h>
#include <linux/proc_fs.h>

#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/string.h>
#include <linux/list.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/bitops.h>
#include <linux/moduleparam.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include "vehicle_main.h"
#include "vehicle_cfg.h"

static int vechile_open(struct inode *inode, struct file *file)
{
	return 0;
}

static int vechile_close(struct inode *inode, struct file *file)
{
	return 0;
}

static ssize_t vechile_write(struct file *file, const char __user *buf,
			     size_t size, loff_t *ppos)
{
	int ret = 0;
	char data[22] = "";

	ret = copy_from_user(data, buf, 18);

	if (ret)
		return -1;
	if (memcmp(data, "88", 2) == 0) {
		vehicle_android_is_ready_notify();
		VEHICLE_INFO("android already up, set vehicle in bottom\n");
	} else {
		vehicle_apk_state_change(data);
		VEHICLE_INFO("apk_state_change, open dvr\n");
	}

	return size;
}

static ssize_t
vechile_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
{
	return 1;
}

static const struct file_operations vechile_fops = {
	.owner      = THIS_MODULE,
	/*.compat_ioctl      = vechile_ioctl,*/
	.open       = vechile_open,
	.release    = vechile_close,
	.write  = vechile_write,
	.read = vechile_read,
};

static struct miscdevice vechile_dev = {
	.minor		= MISC_DYNAMIC_MINOR,
	.name		= "vehicle",
	.fops		= &vechile_fops,
};

static int __init vechile_module_init(void)
{
	int ret = 0;

	/* register misc device*/
	ret = misc_register(&vechile_dev);
	if (ret) {
		VEHICLE_DGERR("ERROR: could not register vechile dev\n");
		return ret;
	}

	return 0;
}

void vechile_module_exit(void)
{
	misc_deregister(&vechile_dev);
}

module_init(vechile_module_init);

MODULE_LICENSE("GPL");