drivers/usb/serial/moto_modem.c

   1 /*
   2  * Motorola USB Phone driver
   3  *
   4  * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License version 2 as
   8  *  published by the Free Software Foundation.
   9  *
  10  * {sigh}
  11  * Motorola should be using the CDC ACM USB spec, but instead
  12  * they try to just "do their own thing"...  This driver should handle a
  13  * few phones in which a basic "dumb serial connection" is needed to be
  14  * able to get a connection through to them.
  15  */
  16
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/tty.h>
  20 #include <linux/module.h>
  21 #include <linux/usb.h>
  22 #include <linux/usb/serial.h>
  23
  24 static struct usb_device_id id_table [] = {
  25         { USB_DEVICE(0x05c6, 0x3197) }, /* unknown Motorola phone */
  26         { USB_DEVICE(0x0c44, 0x0022) }, /* unknown Mororola phone */
  27         { USB_DEVICE(0x22b8, 0x2a64) }, /* Motorola KRZR K1m */
  28         { USB_DEVICE(0x22b8, 0x2c64) }, /* Motorola V950 phone */
  29         { },
  30 };
  31 MODULE_DEVICE_TABLE(usb, id_table);
  32
  33 static struct usb_driver moto_driver = {
  34         .name =         "moto-modem",
  35         .probe =        usb_serial_probe,
  36         .disconnect =   usb_serial_disconnect,
  37         .id_table =     id_table,
  38         .no_dynamic_id =        1,
  39 };
  40
  41 static struct usb_serial_driver moto_device = {
  42         .driver = {
  43                 .owner =        THIS_MODULE,
  44                 .name =         "moto-modem",
  45         },
  46         .id_table =             id_table,
  47         .num_ports =            1,
  48 };
  49
  50 static int __init moto_init(void)
  51 {
  52         int retval;
  53
  54         retval = usb_serial_register(&moto_device);
  55         if (retval)
  56                 return retval;
  57         retval = usb_register(&moto_driver);
  58         if (retval)
  59                 usb_serial_deregister(&moto_device);
  60         return retval;
  61 }
  62
  63 static void __exit moto_exit(void)
  64 {
  65         usb_deregister(&moto_driver);
  66         usb_serial_deregister(&moto_device);
  67 }
  68
  69 module_init(moto_init);
  70 module_exit(moto_exit);
  71 MODULE_LICENSE("GPL");