| /* |
| * HID driver for Kensigton Slimblade Trackball |
| * |
| * Copyright (c) 2009 Jiri Kosina |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/input.h> |
| #include <linux/hid.h> |
| #include <linux/module.h> |
| |
| #include "hid-ids.h" |
| |
| #define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) |
| |
| static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) |
| return 0; |
| |
| switch (usage->hid & HID_USAGE) { |
| case 0x01: ks_map_key(BTN_MIDDLE); break; |
| case 0x02: ks_map_key(BTN_SIDE); break; |
| default: |
| return 0; |
| } |
| return 1; |
| } |
| |
| static const struct hid_device_id ks_devices[] = { |
| { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(hid, ks_devices); |
| |
| static struct hid_driver ks_driver = { |
| .name = "kensington", |
| .id_table = ks_devices, |
| .input_mapping = ks_input_mapping, |
| }; |
| module_hid_driver(ks_driver); |
| |
| MODULE_LICENSE("GPL"); |