1/*
2 *  HID driver for some gyration "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) 2008 Jiri Slaby
8 *  Copyright (c) 2006-2008 Jiri Kosina
9 */
10
11/*
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version.
16 */
17
18#include <linux/device.h>
19#include <linux/input.h>
20#include <linux/hid.h>
21#include <linux/module.h>
22
23#include "hid-ids.h"
24
25#define gy_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
26					EV_KEY, (c))
27static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
28		struct hid_field *field, struct hid_usage *usage,
29		unsigned long **bit, int *max)
30{
31	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
32		return 0;
33
34	set_bit(EV_REP, hi->input->evbit);
35	switch (usage->hid & HID_USAGE) {
36	/* Reported on Gyration MCE Remote */
37	case 0x00d: gy_map_key_clear(KEY_HOME);		break;
38	case 0x024: gy_map_key_clear(KEY_DVD);		break;
39	case 0x025: gy_map_key_clear(KEY_PVR);		break;
40	case 0x046: gy_map_key_clear(KEY_MEDIA);	break;
41	case 0x047: gy_map_key_clear(KEY_MP3);		break;
42	case 0x048: gy_map_key_clear(KEY_MEDIA);	break;
43	case 0x049: gy_map_key_clear(KEY_CAMERA);	break;
44	case 0x04a: gy_map_key_clear(KEY_VIDEO);	break;
45	case 0x05a: gy_map_key_clear(KEY_TEXT);		break;
46	case 0x05b: gy_map_key_clear(KEY_RED);		break;
47	case 0x05c: gy_map_key_clear(KEY_GREEN);	break;
48	case 0x05d: gy_map_key_clear(KEY_YELLOW);	break;
49	case 0x05e: gy_map_key_clear(KEY_BLUE);		break;
50
51	default:
52		return 0;
53	}
54	return 1;
55}
56
57static int gyration_event(struct hid_device *hdev, struct hid_field *field,
58		struct hid_usage *usage, __s32 value)
59{
60
61	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
62		return 0;
63
64	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
65			(usage->hid & 0xff) == 0x82) {
66		struct input_dev *input = field->hidinput->input;
67		input_event(input, usage->type, usage->code, 1);
68		input_sync(input);
69		input_event(input, usage->type, usage->code, 0);
70		input_sync(input);
71		return 1;
72	}
73
74	return 0;
75}
76
77static const struct hid_device_id gyration_devices[] = {
78	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
79	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
80	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
81	{ }
82};
83MODULE_DEVICE_TABLE(hid, gyration_devices);
84
85static struct hid_driver gyration_driver = {
86	.name = "gyration",
87	.id_table = gyration_devices,
88	.input_mapping = gyration_input_mapping,
89	.event = gyration_event,
90};
91module_hid_driver(gyration_driver);
92
93MODULE_LICENSE("GPL");
94