1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Jabra USB HID Driver |
4 | * |
5 | * Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com> |
6 | */ |
7 | |
8 | /* |
9 | */ |
10 | |
11 | #include <linux/hid.h> |
12 | #include <linux/module.h> |
13 | |
14 | #include "hid-ids.h" |
15 | |
16 | #define HID_UP_VENDOR_DEFINED_MIN 0xff000000 |
17 | #define HID_UP_VENDOR_DEFINED_MAX 0xffff0000 |
18 | |
19 | static int jabra_input_mapping(struct hid_device *hdev, |
20 | struct hid_input *hi, |
21 | struct hid_field *field, |
22 | struct hid_usage *usage, |
23 | unsigned long **bit, int *max) |
24 | { |
25 | int is_vendor_defined = |
26 | ((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN && |
27 | (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX); |
28 | |
29 | dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n" , |
30 | usage->hid, |
31 | field->application, |
32 | usage->collection_index, |
33 | usage->usage_index, |
34 | is_vendor_defined ? "ignored" : "defaulted" ); |
35 | |
36 | /* Ignore vendor defined usages, default map standard usages */ |
37 | return is_vendor_defined ? -1 : 0; |
38 | } |
39 | |
40 | static const struct hid_device_id jabra_devices[] = { |
41 | { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) }, |
42 | { } |
43 | }; |
44 | MODULE_DEVICE_TABLE(hid, jabra_devices); |
45 | |
46 | static struct hid_driver jabra_driver = { |
47 | .name = "jabra" , |
48 | .id_table = jabra_devices, |
49 | .input_mapping = jabra_input_mapping, |
50 | }; |
51 | module_hid_driver(jabra_driver); |
52 | |
53 | MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>" ); |
54 | MODULE_DESCRIPTION("Jabra USB HID Driver" ); |
55 | MODULE_LICENSE("GPL" ); |
56 | |