tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
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 .usb_driver = &hp49gp_driver,
53 .num_ports = 1,
54};
55
56static int __init hp49gp_init(void)
57{
58 int retval;
59 retval = usb_serial_register(&hp49gp_device);
60 if (retval)
61 goto failed_usb_serial_register;
62 retval = usb_register(&hp49gp_driver);
63 if (retval)
64 goto failed_usb_register;
65 info(DRIVER_DESC " " DRIVER_VERSION);
66 return 0;
67failed_usb_register:
68 usb_serial_deregister(&hp49gp_device);
69failed_usb_serial_register:
70 return retval;
71}
72
73static void __exit hp49gp_exit(void)
74{
75 usb_deregister(&hp49gp_driver);
76 usb_serial_deregister(&hp49gp_device);
77}
78
79module_init(hp49gp_init);
80module_exit(hp49gp_exit);
81
82MODULE_DESCRIPTION(DRIVER_DESC);
83MODULE_VERSION(DRIVER_VERSION);
84MODULE_LICENSE("GPL");