1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Funsoft Serial USB driver
*
* Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <asm/uaccess.h>
static int debug;
static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x1404, 0xcddc) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
static int funsoft_ioctl(struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct ktermios t;
dbg("%s - port %d, cmd 0x%04x", __FUNCTION__, port->number, cmd);
if (cmd == TCSETSF) {
if (user_termios_to_kernel_termios(&t, (struct termios __user *)arg))
return -EFAULT;
dbg("%s - iflag:%x oflag:%x cflag:%x lflag:%x", __FUNCTION__,
t.c_iflag, t.c_oflag, t.c_cflag, t.c_lflag);
if (!(t.c_lflag & ICANON))
return -EINVAL;
}
return -ENOIOCTLCMD;
}
static struct usb_driver funsoft_driver = {
.name = "funsoft",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.no_dynamic_id = 1,
};
static struct usb_serial_driver funsoft_device = {
.driver = {
.owner = THIS_MODULE,
.name = "funsoft",
},
.id_table = id_table,
.num_interrupt_in = NUM_DONT_CARE,
.num_bulk_in = NUM_DONT_CARE,
.num_bulk_out = NUM_DONT_CARE,
.num_ports = 1,
.ioctl = funsoft_ioctl,
};
static int __init funsoft_init(void)
{
int retval;
retval = usb_serial_register(&funsoft_device);
if (retval)
return retval;
retval = usb_register(&funsoft_driver);
if (retval)
usb_serial_deregister(&funsoft_device);
return retval;
}
static void __exit funsoft_exit(void)
{
usb_deregister(&funsoft_driver);
usb_serial_deregister(&funsoft_device);
}
module_init(funsoft_init);
module_exit(funsoft_exit);
MODULE_LICENSE("GPL");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
|
