1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * HID driver for PenMount touchscreens
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * based on hid-penmount copyrighted by
8*4882a593Smuzhiyun * PenMount Touch Solutions <penmount <at> seed.net.tw>
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun */
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/hid.h>
16*4882a593Smuzhiyun #include "hid-ids.h"
17*4882a593Smuzhiyun
penmount_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)18*4882a593Smuzhiyun static int penmount_input_mapping(struct hid_device *hdev,
19*4882a593Smuzhiyun struct hid_input *hi, struct hid_field *field,
20*4882a593Smuzhiyun struct hid_usage *usage, unsigned long **bit, int *max)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
23*4882a593Smuzhiyun if (((usage->hid - 1) & HID_USAGE) == 0) {
24*4882a593Smuzhiyun hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
25*4882a593Smuzhiyun return 1;
26*4882a593Smuzhiyun } else {
27*4882a593Smuzhiyun return -1;
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun static const struct hid_device_id penmount_devices[] = {
35*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
36*4882a593Smuzhiyun { }
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, penmount_devices);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun static struct hid_driver penmount_driver = {
41*4882a593Smuzhiyun .name = "hid-penmount",
42*4882a593Smuzhiyun .id_table = penmount_devices,
43*4882a593Smuzhiyun .input_mapping = penmount_input_mapping,
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun module_hid_driver(penmount_driver);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
49*4882a593Smuzhiyun MODULE_DESCRIPTION("PenMount HID TouchScreen driver");
50*4882a593Smuzhiyun MODULE_LICENSE("GPL");
51