]> err.no Git - linux-2.6/blob - drivers/usb/serial/hp4x.c
[PATCH] USB: add HP49G+ Calculator USB Serial support
[linux-2.6] / 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) 2001-2004 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/errno.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/tty.h>
21 #include <linux/tty_driver.h>
22 #include <linux/tty_flip.h>
23 #include <linux/serial.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/spinlock.h>
27 #include <asm/uaccess.h>
28 #include <linux/usb.h>
29 #include "usb-serial.h"
30
31 /*
32  * Version Information
33  */
34 #define DRIVER_VERSION "v1.00"
35 #define DRIVER_DESC "HP4x (48/49) Generic Serial driver"
36
37 #define HP_VENDOR_ID 0x03f0
38 #define HP49GP_PRODUCT_ID 0x0121
39
40 static int debug;
41
42 static struct usb_device_id id_table [] = {
43         { USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
44         { }                                     /* Terminating entry */
45 };
46
47 MODULE_DEVICE_TABLE(usb, id_table);
48
49 static struct usb_driver hp49gp_driver = {
50         .owner =        THIS_MODULE,
51         .name =         "HP4X",
52         .probe =        usb_serial_probe,
53         .disconnect =   usb_serial_disconnect,
54         .id_table =     id_table,
55 };
56
57 static struct usb_serial_device_type hp49gp_device = {
58         .owner =                THIS_MODULE,
59         .name =                 "HP4X",
60         .id_table =             id_table,
61         .num_interrupt_in =     NUM_DONT_CARE,
62         .num_bulk_in =          NUM_DONT_CARE,
63         .num_bulk_out =         NUM_DONT_CARE,
64         .num_ports =            1,
65 };
66
67 static int __init hp49gp_init(void)
68 {
69         int retval;
70         retval = usb_serial_register(&hp49gp_device);
71         if (retval)
72                 goto failed_usb_serial_register;
73         retval = usb_register(&hp49gp_driver);
74         if (retval)
75                 goto failed_usb_register;
76         info(DRIVER_DESC " " DRIVER_VERSION);
77         return 0;
78 failed_usb_register:
79         usb_serial_deregister(&hp49gp_device);
80 failed_usb_serial_register:
81         return retval;
82 }
83
84
85 static void __exit hp49gp_exit(void)
86 {
87         usb_deregister(&hp49gp_driver);
88         usb_serial_deregister(&hp49gp_device);
89 }
90
91
92 module_init(hp49gp_init);
93 module_exit(hp49gp_exit);
94
95 MODULE_DESCRIPTION(DRIVER_DESC);
96 MODULE_VERSION(DRIVER_VERSION);
97 MODULE_LICENSE("GPL");