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/config.h>
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 "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
32static struct usb_device_id id_table [] = {
33 { USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
34 { } /* Terminating entry */
35};
36
37MODULE_DEVICE_TABLE(usb, id_table);
38
39static struct usb_driver hp49gp_driver = {
40 .owner = THIS_MODULE,
41 .name = "HP4X",
42 .probe = usb_serial_probe,
43 .disconnect = usb_serial_disconnect,
44 .id_table = id_table,
45};
46
47static struct usb_serial_device_type hp49gp_device = {
48 .owner = THIS_MODULE,
49 .name = "HP4X",
50 .id_table = id_table,
51 .num_interrupt_in = NUM_DONT_CARE,
52 .num_bulk_in = NUM_DONT_CARE,
53 .num_bulk_out = NUM_DONT_CARE,
54 .num_ports = 1,
55};
56
57static 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 info(DRIVER_DESC " " DRIVER_VERSION);
67 return 0;
68failed_usb_register:
69 usb_serial_deregister(&hp49gp_device);
70failed_usb_serial_register:
71 return retval;
72}
73
74static void __exit hp49gp_exit(void)
75{
76 usb_deregister(&hp49gp_driver);
77 usb_serial_deregister(&hp49gp_device);
78}
79
80module_init(hp49gp_init);
81module_exit(hp49gp_exit);
82
83MODULE_DESCRIPTION(DRIVER_DESC);
84MODULE_VERSION(DRIVER_VERSION);
85MODULE_LICENSE("GPL");