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958e8741 GKH |
1 | /* |
2 | * USB Debug cable driver | |
3 | * | |
4 | * Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License version | |
8 | * 2 as published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/tty.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/usb.h> | |
16 | #include <linux/usb/serial.h> | |
17 | ||
71be4f81 AG |
18 | #define USB_DEBUG_MAX_PACKET_SIZE 8 |
19 | ||
958e8741 GKH |
20 | static struct usb_device_id id_table [] = { |
21 | { USB_DEVICE(0x0525, 0x127a) }, | |
22 | { }, | |
23 | }; | |
24 | MODULE_DEVICE_TABLE(usb, id_table); | |
25 | ||
26 | static struct usb_driver debug_driver = { | |
27 | .name = "debug", | |
28 | .probe = usb_serial_probe, | |
29 | .disconnect = usb_serial_disconnect, | |
30 | .id_table = id_table, | |
31 | .no_dynamic_id = 1, | |
32 | }; | |
33 | ||
619b572a | 34 | static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port, |
95da310e | 35 | struct file *filp) |
71be4f81 AG |
36 | { |
37 | port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE; | |
95da310e | 38 | return usb_serial_generic_open(tty, port, filp); |
71be4f81 AG |
39 | } |
40 | ||
958e8741 GKH |
41 | static struct usb_serial_driver debug_device = { |
42 | .driver = { | |
43 | .owner = THIS_MODULE, | |
44 | .name = "debug", | |
45 | }, | |
46 | .id_table = id_table, | |
958e8741 | 47 | .num_ports = 1, |
71be4f81 | 48 | .open = usb_debug_open, |
958e8741 GKH |
49 | }; |
50 | ||
51 | static int __init debug_init(void) | |
52 | { | |
53 | int retval; | |
54 | ||
55 | retval = usb_serial_register(&debug_device); | |
56 | if (retval) | |
57 | return retval; | |
58 | retval = usb_register(&debug_driver); | |
59 | if (retval) | |
60 | usb_serial_deregister(&debug_device); | |
61 | return retval; | |
62 | } | |
63 | ||
64 | static void __exit debug_exit(void) | |
65 | { | |
66 | usb_deregister(&debug_driver); | |
67 | usb_serial_deregister(&debug_device); | |
68 | } | |
69 | ||
70 | module_init(debug_init); | |
71 | module_exit(debug_exit); | |
72 | MODULE_LICENSE("GPL"); |