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)) |
24 | static 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 | |
54 | static 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 | |
74 | static 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 | }; |
80 | MODULE_DEVICE_TABLE(hid, gyration_devices); |
81 | |
82 | static struct hid_driver gyration_driver = { |
83 | .name = "gyration" , |
84 | .id_table = gyration_devices, |
85 | .input_mapping = gyration_input_mapping, |
86 | .event = gyration_event, |
87 | }; |
88 | module_hid_driver(gyration_driver); |
89 | |
90 | MODULE_LICENSE("GPL" ); |
91 | |