1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Jabra USB HID Driver
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/hid.h>
12*4882a593Smuzhiyun #include <linux/module.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "hid-ids.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #define HID_UP_VENDOR_DEFINED_MIN 0xff000000
17*4882a593Smuzhiyun #define HID_UP_VENDOR_DEFINED_MAX 0xffff0000
18*4882a593Smuzhiyun
jabra_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)19*4882a593Smuzhiyun static int jabra_input_mapping(struct hid_device *hdev,
20*4882a593Smuzhiyun struct hid_input *hi,
21*4882a593Smuzhiyun struct hid_field *field,
22*4882a593Smuzhiyun struct hid_usage *usage,
23*4882a593Smuzhiyun unsigned long **bit, int *max)
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun int is_vendor_defined =
26*4882a593Smuzhiyun ((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN &&
27*4882a593Smuzhiyun (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n",
30*4882a593Smuzhiyun usage->hid,
31*4882a593Smuzhiyun field->application,
32*4882a593Smuzhiyun usage->collection_index,
33*4882a593Smuzhiyun usage->usage_index,
34*4882a593Smuzhiyun is_vendor_defined ? "ignored" : "defaulted");
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun /* Ignore vendor defined usages, default map standard usages */
37*4882a593Smuzhiyun return is_vendor_defined ? -1 : 0;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun static const struct hid_device_id jabra_devices[] = {
41*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) },
42*4882a593Smuzhiyun { }
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, jabra_devices);
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun static struct hid_driver jabra_driver = {
47*4882a593Smuzhiyun .name = "jabra",
48*4882a593Smuzhiyun .id_table = jabra_devices,
49*4882a593Smuzhiyun .input_mapping = jabra_input_mapping,
50*4882a593Smuzhiyun };
51*4882a593Smuzhiyun module_hid_driver(jabra_driver);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>");
54*4882a593Smuzhiyun MODULE_DESCRIPTION("Jabra USB HID Driver");
55*4882a593Smuzhiyun MODULE_LICENSE("GPL");
56