hp4x.c revision 6ab3d5624e172c553004ecc862bfeac16d9d68b7 
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 "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
31static struct usb_device_id id_table [] = {
32	{ USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
33	{ }					/* Terminating entry */
34};
35
36MODULE_DEVICE_TABLE(usb, id_table);
37
38static 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
46static struct usb_serial_driver hp49gp_device = {
47	.driver = {
48		.owner =	THIS_MODULE,
49		.name =		"hp4X",
50	},
51	.id_table =		id_table,
52	.num_interrupt_in =	NUM_DONT_CARE,
53	.num_bulk_in =		NUM_DONT_CARE,
54	.num_bulk_out =		NUM_DONT_CARE,
55	.num_ports =		1,
56};
57
58static int __init hp49gp_init(void)
59{
60	int retval;
61	retval = usb_serial_register(&hp49gp_device);
62	if (retval)
63		goto failed_usb_serial_register;
64	retval = usb_register(&hp49gp_driver);
65	if (retval)
66		goto failed_usb_register;
67	info(DRIVER_DESC " " DRIVER_VERSION);
68	return 0;
69failed_usb_register:
70	usb_serial_deregister(&hp49gp_device);
71failed_usb_serial_register:
72	return retval;
73}
74
75static void __exit hp49gp_exit(void)
76{
77	usb_deregister(&hp49gp_driver);
78	usb_serial_deregister(&hp49gp_device);
79}
80
81module_init(hp49gp_init);
82module_exit(hp49gp_exit);
83
84MODULE_DESCRIPTION(DRIVER_DESC);
85MODULE_VERSION(DRIVER_VERSION);
86MODULE_LICENSE("GPL");
87