drivers/usb/serial/hp4x.c

   1 /*
   2  * HP4x Calculators Serial USB driver
   3  *
   4  * Copyright (C) 2005 Arthur Huillet (ahuillet@users.sf.net)
   5  * Copyright (C) 2001-2005 Greg Kroah-Hartman (greg@kroah.com)
   6  *
   7  *      This program is free software; you can redistribute it and/or modify
   8  *      it under the terms of the GNU General Public License as published by
   9  *      the Free Software Foundation; either version 2 of the License, or
  10  *      (at your option) any later version.
  11  *
  12  * See Documentation/usb/usb-serial.txt for more information on using this driver
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/tty.h>
  18 #include <linux/module.h>
  19 #include <linux/usb.h>
  20 #include <linux/usb/serial.h>
  21
  22 /*
  23  * Version Information
  24  */
  25 #define DRIVER_VERSION "v1.00"
  26 #define DRIVER_DESC "HP4x (48/49) Generic Serial driver"
  27
  28 #define HP_VENDOR_ID 0x03f0
  29 #define HP49GP_PRODUCT_ID 0x0121
  30
  31 static struct usb_device_id id_table [] = {
  32         { USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
  33         { }                                     /* Terminating entry */
  34 };
  35
  36 MODULE_DEVICE_TABLE(usb, id_table);
  37
  38 static struct usb_driver hp49gp_driver = {
  39         .name =         "hp4X",
  40         .probe =        usb_serial_probe,
  41         .disconnect =   usb_serial_disconnect,
  42         .id_table =     id_table,
  43         .no_dynamic_id =        1,
  44 };
  45
  46 static struct usb_serial_driver hp49gp_device = {
  47         .driver = {
  48                 .owner =        THIS_MODULE,
  49                 .name =         "hp4X",
  50         },
  51         .id_table =             id_table,
  52         .usb_driver =           &hp49gp_driver,
  53         .num_interrupt_in =     NUM_DONT_CARE,
  54         .num_bulk_in =          NUM_DONT_CARE,
  55         .num_bulk_out =         NUM_DONT_CARE,
  56         .num_ports =            1,
  57 };
  58
  59 static int __init hp49gp_init(void)
  60 {
  61         int retval;
  62         retval = usb_serial_register(&hp49gp_device);
  63         if (retval)
  64                 goto failed_usb_serial_register;
  65         retval = usb_register(&hp49gp_driver);
  66         if (retval)
  67                 goto failed_usb_register;
  68         info(DRIVER_DESC " " DRIVER_VERSION);
  69         return 0;
  70 failed_usb_register:
  71         usb_serial_deregister(&hp49gp_device);
  72 failed_usb_serial_register:
  73         return retval;
  74 }
  75
  76 static void __exit hp49gp_exit(void)
  77 {
  78         usb_deregister(&hp49gp_driver);
  79         usb_serial_deregister(&hp49gp_device);
  80 }
  81
  82 module_init(hp49gp_init);
  83 module_exit(hp49gp_exit);
  84
  85 MODULE_DESCRIPTION(DRIVER_DESC);
  86 MODULE_VERSION(DRIVER_VERSION);
  87 MODULE_LICENSE("GPL");