// SPDX-License-Identifier: GPL-2.0
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/*
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* drivers/video/rockchip/video/vehicle_dev.c
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*
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* Copyright (C) 2022 Rockchip Electronics Co.Ltd
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* Authors:
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* Zhiqin Wei <wzq@rock-chips.com>
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*
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*
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*/
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#include <linux/kernel.h>
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/fcntl.h>
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#include <linux/mm.h>
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#include <linux/miscdevice.h>
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#include <linux/proc_fs.h>
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#include <linux/fs.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/uaccess.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/string.h>
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#include <linux/list.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/delay.h>
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#include <linux/proc_fs.h>
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#include <linux/poll.h>
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#include <linux/bitops.h>
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#include <linux/moduleparam.h>
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#include <linux/ioport.h>
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#include <linux/interrupt.h>
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#include "vehicle_main.h"
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#include "vehicle_cfg.h"
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static int vechile_open(struct inode *inode, struct file *file)
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{
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return 0;
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}
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static int vechile_close(struct inode *inode, struct file *file)
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{
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return 0;
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}
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static ssize_t vechile_write(struct file *file, const char __user *buf,
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size_t size, loff_t *ppos)
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{
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int ret = 0;
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char data[22] = "";
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ret = copy_from_user(data, buf, 18);
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if (ret)
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return -1;
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if (memcmp(data, "88", 2) == 0) {
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vehicle_android_is_ready_notify();
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VEHICLE_INFO("android already up, set vehicle in bottom\n");
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} else {
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vehicle_apk_state_change(data);
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VEHICLE_INFO("apk_state_change, open dvr\n");
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}
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return size;
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}
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static ssize_t
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vechile_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
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{
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return 1;
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}
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static const struct file_operations vechile_fops = {
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.owner = THIS_MODULE,
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/*.compat_ioctl = vechile_ioctl,*/
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.open = vechile_open,
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.release = vechile_close,
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.write = vechile_write,
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.read = vechile_read,
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};
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static struct miscdevice vechile_dev = {
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.minor = MISC_DYNAMIC_MINOR,
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.name = "vehicle",
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.fops = &vechile_fops,
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};
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static int __init vechile_module_init(void)
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{
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int ret = 0;
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/* register misc device*/
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ret = misc_register(&vechile_dev);
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if (ret) {
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VEHICLE_DGERR("ERROR: could not register vechile dev\n");
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return ret;
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}
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return 0;
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}
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void vechile_module_exit(void)
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{
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misc_deregister(&vechile_dev);
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}
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module_init(vechile_module_init);
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MODULE_LICENSE("GPL");
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