89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
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/*
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* User-space I/O driver support for HID subsystem
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* Copyright (c) 2012 David Herrmann
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/atomic.h>
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#include <linux/device.h>
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#include <linux/fs.h>
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#include <linux/hid.h>
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#include <linux/input.h>
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#include <linux/miscdevice.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include <linux/poll.h>
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#include <linux/sched.h>
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#include <linux/spinlock.h>
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#include <linux/uhid.h>
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#include <linux/wait.h>
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#define UHID_NAME "uhid"
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static struct miscdevice uhid_misc;
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static int uhid_char_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 uhid_char_release(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 uhid_char_read(struct file *file, char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return 0;
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}
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static ssize_t uhid_char_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return 0;
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}
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static unsigned int uhid_char_poll(struct file *file, poll_table *wait)
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{
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return 0;
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}
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static const struct file_operations uhid_fops = {
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.owner = THIS_MODULE,
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.open = uhid_char_open,
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.release = uhid_char_release,
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.read = uhid_char_read,
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.write = uhid_char_write,
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.poll = uhid_char_poll,
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.llseek = no_llseek,
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};
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static struct miscdevice uhid_misc = {
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.fops = &uhid_fops,
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.minor = MISC_DYNAMIC_MINOR,
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.name = UHID_NAME,
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};
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static int __init uhid_init(void)
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{
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return misc_register(&uhid_misc);
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}
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static void __exit uhid_exit(void)
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{
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misc_deregister(&uhid_misc);
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}
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module_init(uhid_init);
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module_exit(uhid_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>");
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MODULE_DESCRIPTION("User-space I/O driver support for HID subsystem");
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