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 if (((usage->hid - 1) & HID_USAGE) == 0) { 27 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); 28 return 1; 29 } else { 30 return -1; 31 } 32 } 33 34 return 0; 35 } 36 37 static const struct hid_device_id penmount_devices[] = { 38 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) }, 39 { } 40 }; 41 MODULE_DEVICE_TABLE(hid, penmount_devices); 42 43 static struct hid_driver penmount_driver = { 44 .name = "hid-penmount", 45 .id_table = penmount_devices, 46 .input_mapping = penmount_input_mapping, 47 }; 48 49 module_hid_driver(penmount_driver); 50 51 MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>"); 52 MODULE_DESCRIPTION("PenMount HID TouchScreen driver"); 53 MODULE_LICENSE("GPL"); 54