1/*
2 * Funsoft Serial USB driver
3 *
4 * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de>
5 *
6 *	This program is free software; you can redistribute it and/or
7 *	modify it under the terms of the GNU General Public License version
8 *	2 as published by the Free Software Foundation.
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/tty.h>
14#include <linux/module.h>
15#include <linux/usb.h>
16#include <linux/usb/serial.h>
17#include <asm/uaccess.h>
18
19static int debug;
20
21static struct usb_device_id id_table [] = {
22	{ USB_DEVICE(0x1404, 0xcddc) },
23	{ },
24};
25MODULE_DEVICE_TABLE(usb, id_table);
26
27static int funsoft_ioctl(struct usb_serial_port *port, struct file *file,
28			 unsigned int cmd, unsigned long arg)
29{
30	struct ktermios t;
31
32	dbg("%s - port %d, cmd 0x%04x", __FUNCTION__, port->number, cmd);
33
34	if (cmd == TCSETSF) {
35		if (user_termios_to_kernel_termios(&t, (struct termios __user *)arg))
36			return -EFAULT;
37
38		dbg("%s - iflag:%x oflag:%x cflag:%x lflag:%x", __FUNCTION__,
39		    t.c_iflag, t.c_oflag, t.c_cflag, t.c_lflag);
40
41		if (!(t.c_lflag & ICANON))
42			return -EINVAL;
43	}
44	return -ENOIOCTLCMD;
45}
46
47static struct usb_driver funsoft_driver = {
48	.name =		"funsoft",
49	.probe =	usb_serial_probe,
50	.disconnect =	usb_serial_disconnect,
51	.id_table =	id_table,
52	.no_dynamic_id = 	1,
53};
54
55static struct usb_serial_driver funsoft_device = {
56	.driver = {
57		.owner =	THIS_MODULE,
58		.name =		"funsoft",
59	},
60	.id_table =		id_table,
61	.usb_driver = 		&funsoft_driver,
62	.num_interrupt_in =	NUM_DONT_CARE,
63	.num_bulk_in =		NUM_DONT_CARE,
64	.num_bulk_out =		NUM_DONT_CARE,
65	.num_ports =		1,
66	.ioctl =		funsoft_ioctl,
67};
68
69static int __init funsoft_init(void)
70{
71	int retval;
72
73	retval = usb_serial_register(&funsoft_device);
74	if (retval)
75		return retval;
76	retval = usb_register(&funsoft_driver);
77	if (retval)
78		usb_serial_deregister(&funsoft_device);
79	return retval;
80}
81
82static void __exit funsoft_exit(void)
83{
84	usb_deregister(&funsoft_driver);
85	usb_serial_deregister(&funsoft_device);
86}
87
88module_init(funsoft_init);
89module_exit(funsoft_exit);
90MODULE_LICENSE("GPL");
91
92module_param(debug, bool, S_IRUGO | S_IWUSR);
93MODULE_PARM_DESC(debug, "Debug enabled or not");
94