162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * HID driver for Elo Accutouch touchscreens 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2016, Collabora Ltd. 662306a36Sopenharmony_ci * Copyright (c) 2016, General Electric Company 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * based on hid-penmount.c 962306a36Sopenharmony_ci * Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com> 1062306a36Sopenharmony_ci */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci/* 1362306a36Sopenharmony_ci */ 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include <linux/hid.h> 1662306a36Sopenharmony_ci#include <linux/module.h> 1762306a36Sopenharmony_ci#include "hid-ids.h" 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic int accutouch_input_mapping(struct hid_device *hdev, 2062306a36Sopenharmony_ci struct hid_input *hi, 2162306a36Sopenharmony_ci struct hid_field *field, 2262306a36Sopenharmony_ci struct hid_usage *usage, 2362306a36Sopenharmony_ci unsigned long **bit, int *max) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { 2662306a36Sopenharmony_ci hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); 2762306a36Sopenharmony_ci return 1; 2862306a36Sopenharmony_ci } 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci return 0; 3162306a36Sopenharmony_ci} 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_cistatic const struct hid_device_id accutouch_devices[] = { 3462306a36Sopenharmony_ci { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, 3562306a36Sopenharmony_ci { } 3662306a36Sopenharmony_ci}; 3762306a36Sopenharmony_ciMODULE_DEVICE_TABLE(hid, accutouch_devices); 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_cistatic struct hid_driver accutouch_driver = { 4062306a36Sopenharmony_ci .name = "hid-accutouch", 4162306a36Sopenharmony_ci .id_table = accutouch_devices, 4262306a36Sopenharmony_ci .input_mapping = accutouch_input_mapping, 4362306a36Sopenharmony_ci}; 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_cimodule_hid_driver(accutouch_driver); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ciMODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk"); 4862306a36Sopenharmony_ciMODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver"); 4962306a36Sopenharmony_ciMODULE_LICENSE("GPL"); 50