1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for Kensigton Slimblade Trackball
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2009 Jiri Kosina
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/device.h>
12*4882a593Smuzhiyun #include <linux/input.h>
13*4882a593Smuzhiyun #include <linux/hid.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include "hid-ids.h"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c))
19*4882a593Smuzhiyun
ks_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)20*4882a593Smuzhiyun static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi,
21*4882a593Smuzhiyun struct hid_field *field, struct hid_usage *usage,
22*4882a593Smuzhiyun unsigned long **bit, int *max)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
25*4882a593Smuzhiyun return 0;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun switch (usage->hid & HID_USAGE) {
28*4882a593Smuzhiyun case 0x01: ks_map_key(BTN_MIDDLE); break;
29*4882a593Smuzhiyun case 0x02: ks_map_key(BTN_SIDE); break;
30*4882a593Smuzhiyun default:
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun return 1;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun static const struct hid_device_id ks_devices[] = {
37*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
38*4882a593Smuzhiyun { }
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, ks_devices);
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun static struct hid_driver ks_driver = {
43*4882a593Smuzhiyun .name = "kensington",
44*4882a593Smuzhiyun .id_table = ks_devices,
45*4882a593Smuzhiyun .input_mapping = ks_input_mapping,
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun module_hid_driver(ks_driver);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun MODULE_LICENSE("GPL");
50