1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for some gyration "special" devices
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 1999 Andreas Gal
6*4882a593Smuzhiyun * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
7*4882a593Smuzhiyun * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
8*4882a593Smuzhiyun * Copyright (c) 2008 Jiri Slaby
9*4882a593Smuzhiyun * Copyright (c) 2006-2008 Jiri Kosina
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/device.h>
16*4882a593Smuzhiyun #include <linux/input.h>
17*4882a593Smuzhiyun #include <linux/hid.h>
18*4882a593Smuzhiyun #include <linux/module.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #include "hid-ids.h"
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
23*4882a593Smuzhiyun EV_KEY, (c))
gyration_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)24*4882a593Smuzhiyun static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
25*4882a593Smuzhiyun struct hid_field *field, struct hid_usage *usage,
26*4882a593Smuzhiyun unsigned long **bit, int *max)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
29*4882a593Smuzhiyun return 0;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun set_bit(EV_REP, hi->input->evbit);
32*4882a593Smuzhiyun switch (usage->hid & HID_USAGE) {
33*4882a593Smuzhiyun /* Reported on Gyration MCE Remote */
34*4882a593Smuzhiyun case 0x00d: gy_map_key_clear(KEY_HOME); break;
35*4882a593Smuzhiyun case 0x024: gy_map_key_clear(KEY_DVD); break;
36*4882a593Smuzhiyun case 0x025: gy_map_key_clear(KEY_PVR); break;
37*4882a593Smuzhiyun case 0x046: gy_map_key_clear(KEY_MEDIA); break;
38*4882a593Smuzhiyun case 0x047: gy_map_key_clear(KEY_MP3); break;
39*4882a593Smuzhiyun case 0x048: gy_map_key_clear(KEY_MEDIA); break;
40*4882a593Smuzhiyun case 0x049: gy_map_key_clear(KEY_CAMERA); break;
41*4882a593Smuzhiyun case 0x04a: gy_map_key_clear(KEY_VIDEO); break;
42*4882a593Smuzhiyun case 0x05a: gy_map_key_clear(KEY_TEXT); break;
43*4882a593Smuzhiyun case 0x05b: gy_map_key_clear(KEY_RED); break;
44*4882a593Smuzhiyun case 0x05c: gy_map_key_clear(KEY_GREEN); break;
45*4882a593Smuzhiyun case 0x05d: gy_map_key_clear(KEY_YELLOW); break;
46*4882a593Smuzhiyun case 0x05e: gy_map_key_clear(KEY_BLUE); break;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun default:
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun return 1;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
gyration_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)54*4882a593Smuzhiyun static int gyration_event(struct hid_device *hdev, struct hid_field *field,
55*4882a593Smuzhiyun struct hid_usage *usage, __s32 value)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
59*4882a593Smuzhiyun return 0;
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
62*4882a593Smuzhiyun (usage->hid & 0xff) == 0x82) {
63*4882a593Smuzhiyun struct input_dev *input = field->hidinput->input;
64*4882a593Smuzhiyun input_event(input, usage->type, usage->code, 1);
65*4882a593Smuzhiyun input_sync(input);
66*4882a593Smuzhiyun input_event(input, usage->type, usage->code, 0);
67*4882a593Smuzhiyun input_sync(input);
68*4882a593Smuzhiyun return 1;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun return 0;
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun static const struct hid_device_id gyration_devices[] = {
75*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
76*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
77*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
78*4882a593Smuzhiyun { }
79*4882a593Smuzhiyun };
80*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, gyration_devices);
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun static struct hid_driver gyration_driver = {
83*4882a593Smuzhiyun .name = "gyration",
84*4882a593Smuzhiyun .id_table = gyration_devices,
85*4882a593Smuzhiyun .input_mapping = gyration_input_mapping,
86*4882a593Smuzhiyun .event = gyration_event,
87*4882a593Smuzhiyun };
88*4882a593Smuzhiyun module_hid_driver(gyration_driver);
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun MODULE_LICENSE("GPL");
91