| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |