1 /* 2 * Jabra USB HID Driver 3 * 4 * Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com> 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/hid.h> 15 #include <linux/module.h> 16 17 #include "hid-ids.h" 18 19 #define HID_UP_VENDOR_DEFINED_MIN 0xff000000 20 #define HID_UP_VENDOR_DEFINED_MAX 0xffff0000 21 22 static int jabra_input_mapping(struct hid_device *hdev, 23 struct hid_input *hi, 24 struct hid_field *field, 25 struct hid_usage *usage, 26 unsigned long **bit, int *max) 27 { 28 int is_vendor_defined = 29 ((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN && 30 (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX); 31 32 dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n", 33 usage->hid, 34 field->application, 35 usage->collection_index, 36 usage->usage_index, 37 is_vendor_defined ? "ignored" : "defaulted"); 38 39 /* Ignore vendor defined usages, default map standard usages */ 40 return is_vendor_defined ? -1 : 0; 41 } 42 43 static const struct hid_device_id jabra_devices[] = { 44 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) }, 45 { } 46 }; 47 MODULE_DEVICE_TABLE(hid, jabra_devices); 48 49 static struct hid_driver jabra_driver = { 50 .name = "jabra", 51 .id_table = jabra_devices, 52 .input_mapping = jabra_input_mapping, 53 }; 54 module_hid_driver(jabra_driver); 55 56 MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>"); 57 MODULE_DESCRIPTION("Jabra USB HID Driver"); 58 MODULE_LICENSE("GPL"); 59