xref: /linux/drivers/hid/hid-penmount.c (revision a4f174dee4ae842e07cab7eeec194a3e60925c8d)
1 /*
2  *  HID driver for PenMount touchscreens
3  *
4  *  Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
5  *
6  *  based on hid-penmount copyrighted by
7  *    PenMount Touch Solutions <penmount <at> seed.net.tw>
8  */
9 
10 /*
11  * This program is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU General Public License as published by the Free
13  * Software Foundation; either version 2 of the License, or (at your option)
14  * any later version.
15  */
16 
17 #include <linux/module.h>
18 #include <linux/hid.h>
19 #include "hid-ids.h"
20 
21 static int penmount_input_mapping(struct hid_device *hdev,
22 		struct hid_input *hi, struct hid_field *field,
23 		struct hid_usage *usage, unsigned long **bit, int *max)
24 {
25 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
26 		hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
27 		return 1;
28 	}
29 
30 	return 0;
31 }
32 
33 static const struct hid_device_id penmount_devices[] = {
34 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
35 	{ }
36 };
37 MODULE_DEVICE_TABLE(hid, penmount_devices);
38 
39 static struct hid_driver penmount_driver = {
40 	.name = "hid-penmount",
41 	.id_table = penmount_devices,
42 	.input_mapping = penmount_input_mapping,
43 };
44 
45 module_hid_driver(penmount_driver);
46 
47 MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
48 MODULE_DESCRIPTION("PenMount HID TouchScreen driver");
49 MODULE_LICENSE("GPL");
50