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Jiri Slaby949f8fe2008-07-24 23:35:13 +02001/*
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
Jiri Slaby949f8fe2008-07-24 23:35:13 +02007 * Copyright (c) 2007 Paul Walmsley
8 * Copyright (c) 2008 Jiri Slaby
Jiri Kosina1e093202008-10-17 11:52:23 +02009 * Copyright (c) 2006-2008 Jiri Kosina
Jiri Slaby949f8fe2008-07-24 23:35:13 +020010 */
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 gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
27 EV_KEY, (c))
28static int gyration_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_LOGIVENDOR)
33 return 0;
34
35 set_bit(EV_REP, hi->input->evbit);
36 switch (usage->hid & HID_USAGE) {
37 /* Reported on Gyration MCE Remote */
38 case 0x00d: gy_map_key_clear(KEY_HOME); break;
39 case 0x024: gy_map_key_clear(KEY_DVD); break;
40 case 0x025: gy_map_key_clear(KEY_PVR); break;
41 case 0x046: gy_map_key_clear(KEY_MEDIA); break;
42 case 0x047: gy_map_key_clear(KEY_MP3); break;
Jiri Kosina1e093202008-10-17 11:52:23 +020043 case 0x048: gy_map_key_clear(KEY_MEDIA); break;
Jiri Slaby949f8fe2008-07-24 23:35:13 +020044 case 0x049: gy_map_key_clear(KEY_CAMERA); break;
45 case 0x04a: gy_map_key_clear(KEY_VIDEO); break;
46
47 default:
48 return 0;
49 }
50 return 1;
51}
52
53static int gyration_event(struct hid_device *hdev, struct hid_field *field,
54 struct hid_usage *usage, __s32 value)
55{
Jiri Kosinad8e4ebf2010-03-23 16:32:37 +010056
57 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
58 return 0;
Jiri Slaby949f8fe2008-07-24 23:35:13 +020059
60 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
61 (usage->hid & 0xff) == 0x82) {
Jiri Kosinad8e4ebf2010-03-23 16:32:37 +010062 struct input_dev *input = field->hidinput->input;
Jiri Slaby949f8fe2008-07-24 23:35:13 +020063 input_event(input, usage->type, usage->code, 1);
64 input_sync(input);
65 input_event(input, usage->type, usage->code, 0);
66 input_sync(input);
67 return 1;
68 }
69
70 return 0;
71}
72
73static const struct hid_device_id gyration_devices[] = {
74 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
Jiri Kosina1e093202008-10-17 11:52:23 +020075 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
Jiri Slaby949f8fe2008-07-24 23:35:13 +020076 { }
77};
78MODULE_DEVICE_TABLE(hid, gyration_devices);
79
80static struct hid_driver gyration_driver = {
81 .name = "gyration",
82 .id_table = gyration_devices,
83 .input_mapping = gyration_input_mapping,
84 .event = gyration_event,
85};
86
Peter Huewea24f423b2009-07-02 19:08:38 +020087static int __init gyration_init(void)
Jiri Slaby949f8fe2008-07-24 23:35:13 +020088{
89 return hid_register_driver(&gyration_driver);
90}
91
Peter Huewea24f423b2009-07-02 19:08:38 +020092static void __exit gyration_exit(void)
Jiri Slaby949f8fe2008-07-24 23:35:13 +020093{
94 hid_unregister_driver(&gyration_driver);
95}
96
97module_init(gyration_init);
98module_exit(gyration_exit);
99MODULE_LICENSE("GPL");