1 /*
2 * HID driver for some chicony "special" devices
3 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2007 Jiri Kosina
8 * Copyright (c) 2007 Paul Walmsley
9 * Copyright (c) 2008 Jiri Slaby
10 */
11
12 /*
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the Free
15 * Software Foundation; either version 2 of the License, or (at your option)
16 * any later version.
17 */
18
19 #include <linux/device.h>
20 #include <linux/input.h>
21 #include <linux/hid.h>
22 #include <linux/module.h>
23
24 #include "hid-ids.h"
25
26 #define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
27 EV_KEY, (c))
ch_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)28 static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
29 struct hid_field *field, struct hid_usage *usage,
30 unsigned long **bit, int *max)
31 {
32 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
33 return 0;
34
35 set_bit(EV_REP, hi->input->evbit);
36 switch (usage->hid & HID_USAGE) {
37 case 0xff01: ch_map_key_clear(BTN_1); break;
38 case 0xff02: ch_map_key_clear(BTN_2); break;
39 case 0xff03: ch_map_key_clear(BTN_3); break;
40 case 0xff04: ch_map_key_clear(BTN_4); break;
41 case 0xff05: ch_map_key_clear(BTN_5); break;
42 case 0xff06: ch_map_key_clear(BTN_6); break;
43 case 0xff07: ch_map_key_clear(BTN_7); break;
44 case 0xff08: ch_map_key_clear(BTN_8); break;
45 case 0xff09: ch_map_key_clear(BTN_9); break;
46 case 0xff0a: ch_map_key_clear(BTN_A); break;
47 case 0xff0b: ch_map_key_clear(BTN_B); break;
48 default:
49 return 0;
50 }
51 return 1;
52 }
53
54 static const struct hid_device_id ch_devices[] = {
55 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
56 { }
57 };
58 MODULE_DEVICE_TABLE(hid, ch_devices);
59
60 static struct hid_driver ch_driver = {
61 .name = "chicony",
62 .id_table = ch_devices,
63 .input_mapping = ch_input_mapping,
64 };
65
ch_init(void)66 static int __init ch_init(void)
67 {
68 return hid_register_driver(&ch_driver);
69 }
70
ch_exit(void)71 static void __exit ch_exit(void)
72 {
73 hid_unregister_driver(&ch_driver);
74 }
75
76 module_init(ch_init);
77 module_exit(ch_exit);
78 MODULE_LICENSE("GPL");
79