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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
13  * driver
14  */
15 
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/tty.h>
19 #include <linux/module.h>
20 #include <linux/usb.h>
21 #include <linux/usb/serial.h>
22 
23 /*
24  * Version Information
25  */
26 #define DRIVER_VERSION "v1.00"
27 #define DRIVER_DESC "HP4x (48/49) Generic Serial driver"
28 
29 #define HP_VENDOR_ID 0x03f0
30 #define HP49GP_PRODUCT_ID 0x0121
31 
32 static struct usb_device_id id_table [] = {
33 	{ USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
34 	{ }					/* Terminating entry */
35 };
36 
37 MODULE_DEVICE_TABLE(usb, id_table);
38 
39 static struct usb_driver hp49gp_driver = {
40 	.name =		"hp4X",
41 	.probe =	usb_serial_probe,
42 	.disconnect =	usb_serial_disconnect,
43 	.id_table =	id_table,
44 	.no_dynamic_id = 	1,
45 };
46 
47 static struct usb_serial_driver hp49gp_device = {
48 	.driver = {
49 		.owner =	THIS_MODULE,
50 		.name =		"hp4X",
51 	},
52 	.id_table =		id_table,
53 	.usb_driver = 		&hp49gp_driver,
54 	.num_ports =		1,
55 };
56 
hp49gp_init(void)57 static int __init hp49gp_init(void)
58 {
59 	int retval;
60 	retval = usb_serial_register(&hp49gp_device);
61 	if (retval)
62 		goto failed_usb_serial_register;
63 	retval = usb_register(&hp49gp_driver);
64 	if (retval)
65 		goto failed_usb_register;
66 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
67 	       DRIVER_DESC "\n");
68 	return 0;
69 failed_usb_register:
70 	usb_serial_deregister(&hp49gp_device);
71 failed_usb_serial_register:
72 	return retval;
73 }
74 
hp49gp_exit(void)75 static void __exit hp49gp_exit(void)
76 {
77 	usb_deregister(&hp49gp_driver);
78 	usb_serial_deregister(&hp49gp_device);
79 }
80 
81 module_init(hp49gp_init);
82 module_exit(hp49gp_exit);
83 
84 MODULE_DESCRIPTION(DRIVER_DESC);
85 MODULE_VERSION(DRIVER_VERSION);
86 MODULE_LICENSE("GPL");
87