release/src-rt-6.x.4708/linux/linux-2.6.36/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 const 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         .usb_driver =           &moto_driver,
  48         .num_ports =            1,
  49 };
  50
  51 static int __init moto_init(void)
  52 {
  53         int retval;
  54
  55         retval = usb_serial_register(&moto_device);
  56         if (retval)
  57                 return retval;
  58         retval = usb_register(&moto_driver);
  59         if (retval)
  60                 usb_serial_deregister(&moto_device);
  61         return retval;
  62 }
  63
  64 static void __exit moto_exit(void)
  65 {
  66         usb_deregister(&moto_driver);
  67         usb_serial_deregister(&moto_device);
  68 }
  69
  70 module_init(moto_init);
  71 module_exit(moto_exit);
  72 MODULE_LICENSE("GPL");