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1da177e4 LT |
1 | /* |
2 | * $Id: evbug.c,v 1.10 2001/09/25 10:12:07 vojtech Exp $ | |
3 | * | |
4 | * Copyright (c) 1999-2001 Vojtech Pavlik | |
5 | */ | |
6 | ||
7 | /* | |
8 | * Input driver event debug module - dumps all events into syslog | |
9 | */ | |
10 | ||
11 | /* | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | * Should you need to contact me, the author, you can do so either by | |
27 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
28 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
29 | */ | |
30 | ||
31 | #include <linux/slab.h> | |
32 | #include <linux/module.h> | |
33 | #include <linux/input.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/device.h> | |
36 | ||
37 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
38 | MODULE_DESCRIPTION("Input driver event debug module"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
41 | static char evbug_name[] = "evbug"; | |
42 | ||
43 | static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) | |
44 | { | |
45 | printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle->dev->phys, type, code, value); | |
46 | } | |
47 | ||
48 | static struct input_handle *evbug_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id) | |
49 | { | |
50 | struct input_handle *handle; | |
51 | ||
52 | if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL))) | |
53 | return NULL; | |
54 | memset(handle, 0, sizeof(struct input_handle)); | |
55 | ||
56 | handle->dev = dev; | |
57 | handle->handler = handler; | |
58 | handle->name = evbug_name; | |
59 | ||
60 | input_open_device(handle); | |
61 | ||
62 | printk(KERN_DEBUG "evbug.c: Connected device: \"%s\", %s\n", dev->name, dev->phys); | |
63 | ||
64 | return handle; | |
65 | } | |
66 | ||
67 | static void evbug_disconnect(struct input_handle *handle) | |
68 | { | |
69 | printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n", handle->dev->phys); | |
70 | ||
71 | input_close_device(handle); | |
72 | ||
73 | kfree(handle); | |
74 | } | |
75 | ||
76 | static struct input_device_id evbug_ids[] = { | |
77 | { .driver_info = 1 }, /* Matches all devices */ | |
78 | { }, /* Terminating zero entry */ | |
79 | }; | |
80 | ||
81 | MODULE_DEVICE_TABLE(input, evbug_ids); | |
82 | ||
83 | static struct input_handler evbug_handler = { | |
84 | .event = evbug_event, | |
85 | .connect = evbug_connect, | |
86 | .disconnect = evbug_disconnect, | |
87 | .name = "evbug", | |
88 | .id_table = evbug_ids, | |
89 | }; | |
90 | ||
91 | static int __init evbug_init(void) | |
92 | { | |
93 | input_register_handler(&evbug_handler); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | static void __exit evbug_exit(void) | |
98 | { | |
99 | input_unregister_handler(&evbug_handler); | |
100 | } | |
101 | ||
102 | module_init(evbug_init); | |
103 | module_exit(evbug_exit); |