1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for Elo Accutouch touchscreens
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2016, Collabora Ltd.
6*4882a593Smuzhiyun * Copyright (c) 2016, General Electric Company
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * based on hid-penmount.c
9*4882a593Smuzhiyun * Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
10*4882a593Smuzhiyun */
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun /*
13*4882a593Smuzhiyun */
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <linux/hid.h>
16*4882a593Smuzhiyun #include <linux/module.h>
17*4882a593Smuzhiyun #include "hid-ids.h"
18*4882a593Smuzhiyun
accutouch_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 accutouch_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 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
26*4882a593Smuzhiyun hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
27*4882a593Smuzhiyun return 1;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun return 0;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun static const struct hid_device_id accutouch_devices[] = {
34*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) },
35*4882a593Smuzhiyun { }
36*4882a593Smuzhiyun };
37*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, accutouch_devices);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct hid_driver accutouch_driver = {
40*4882a593Smuzhiyun .name = "hid-accutouch",
41*4882a593Smuzhiyun .id_table = accutouch_devices,
42*4882a593Smuzhiyun .input_mapping = accutouch_input_mapping,
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun module_hid_driver(accutouch_driver);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk");
48*4882a593Smuzhiyun MODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver");
49*4882a593Smuzhiyun MODULE_LICENSE("GPL");
50