1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * HID driver for some gyration "special" devices
4 *
5 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8 * Copyright (c) 2008 Jiri Slaby
9 * Copyright (c) 2006-2008 Jiri Kosina
10 */
11
12/*
13 */
14
15#include <linux/device.h>
16#include <linux/input.h>
17#include <linux/hid.h>
18#include <linux/module.h>
19
20#include "hid-ids.h"
21
22#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
23 EV_KEY, (c))
24static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
25 struct hid_field *field, struct hid_usage *usage,
26 unsigned long **bit, int *max)
27{
28 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
29 return 0;
30
31 set_bit(EV_REP, addr: hi->input->evbit);
32 switch (usage->hid & HID_USAGE) {
33 /* Reported on Gyration MCE Remote */
34 case 0x00d: gy_map_key_clear(KEY_HOME); break;
35 case 0x024: gy_map_key_clear(KEY_DVD); break;
36 case 0x025: gy_map_key_clear(KEY_PVR); break;
37 case 0x046: gy_map_key_clear(KEY_MEDIA); break;
38 case 0x047: gy_map_key_clear(KEY_MP3); break;
39 case 0x048: gy_map_key_clear(KEY_MEDIA); break;
40 case 0x049: gy_map_key_clear(KEY_CAMERA); break;
41 case 0x04a: gy_map_key_clear(KEY_VIDEO); break;
42 case 0x05a: gy_map_key_clear(KEY_TEXT); break;
43 case 0x05b: gy_map_key_clear(KEY_RED); break;
44 case 0x05c: gy_map_key_clear(KEY_GREEN); break;
45 case 0x05d: gy_map_key_clear(KEY_YELLOW); break;
46 case 0x05e: gy_map_key_clear(KEY_BLUE); break;
47
48 default:
49 return 0;
50 }
51 return 1;
52}
53
54static int gyration_event(struct hid_device *hdev, struct hid_field *field,
55 struct hid_usage *usage, __s32 value)
56{
57
58 if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
59 return 0;
60
61 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
62 (usage->hid & 0xff) == 0x82) {
63 struct input_dev *input = field->hidinput->input;
64 input_event(dev: input, type: usage->type, code: usage->code, value: 1);
65 input_sync(dev: input);
66 input_event(dev: input, type: usage->type, code: usage->code, value: 0);
67 input_sync(dev: input);
68 return 1;
69 }
70
71 return 0;
72}
73
74static const struct hid_device_id gyration_devices[] = {
75 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
76 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
77 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
78 { }
79};
80MODULE_DEVICE_TABLE(hid, gyration_devices);
81
82static struct hid_driver gyration_driver = {
83 .name = "gyration",
84 .id_table = gyration_devices,
85 .input_mapping = gyration_input_mapping,
86 .event = gyration_event,
87};
88module_hid_driver(gyration_driver);
89
90MODULE_DESCRIPTION("HID driver for some gyration \"special\" devices");
91MODULE_LICENSE("GPL");
92