1/*
 2 *  HID driver for Kensigton Slimblade Trackball
 3 *
 4 *  Copyright (c) 2009 Jiri Kosina
 5 */
 6
 7/*
 8 * This program is free software; you can redistribute it and/or modify it
 9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 */
13
14#include <linux/device.h>
15#include <linux/input.h>
16#include <linux/hid.h>
17#include <linux/module.h>
18
19#include "hid-ids.h"
20
21#define ks_map_key(c)	hid_map_usage(hi, usage, bit, max, EV_KEY, (c))
22
23static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi,
24		struct hid_field *field, struct hid_usage *usage,
25		unsigned long **bit, int *max)
26{
27	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
28		return 0;
29
30	switch (usage->hid & HID_USAGE) {
31	case 0x01: ks_map_key(BTN_MIDDLE);	break;
32	case 0x02: ks_map_key(BTN_SIDE);	break;
33	default:
34		return 0;
35	}
36	return 1;
37}
38
39static const struct hid_device_id ks_devices[] = {
40	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
41	{ }
42};
43MODULE_DEVICE_TABLE(hid, ks_devices);
44
45static struct hid_driver ks_driver = {
46	.name = "kensington",
47	.id_table = ks_devices,
48	.input_mapping = ks_input_mapping,
49};
50module_hid_driver(ks_driver);
51
52MODULE_LICENSE("GPL");

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