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))
28static 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	case 0x00f1: ch_map_key_clear(KEY_WLAN);	break;
49	case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
50	case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP);	break;
51	case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF);	break;
52	case 0x00f7: ch_map_key_clear(KEY_CAMERA);	break;
53	case 0x00f8: ch_map_key_clear(KEY_PROG1);	break;
54	default:
55		return 0;
56	}
57	return 1;
58}
59
60static const struct hid_device_id ch_devices[] = {
61	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
62	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
63	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
64	{ }
65};
66MODULE_DEVICE_TABLE(hid, ch_devices);
67
68static struct hid_driver ch_driver = {
69	.name = "chicony",
70	.id_table = ch_devices,
71	.input_mapping = ch_input_mapping,
72};
73module_hid_driver(ch_driver);
74
75MODULE_LICENSE("GPL");
76