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