162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci *  HID driver for PenMount touchscreens
462306a36Sopenharmony_ci *
562306a36Sopenharmony_ci *  Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com>
662306a36Sopenharmony_ci *
762306a36Sopenharmony_ci *  based on hid-penmount copyrighted by
862306a36Sopenharmony_ci *    PenMount Touch Solutions <penmount <at> seed.net.tw>
962306a36Sopenharmony_ci */
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci/*
1262306a36Sopenharmony_ci */
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ci#include <linux/module.h>
1562306a36Sopenharmony_ci#include <linux/hid.h>
1662306a36Sopenharmony_ci#include "hid-ids.h"
1762306a36Sopenharmony_ci
1862306a36Sopenharmony_cistatic int penmount_input_mapping(struct hid_device *hdev,
1962306a36Sopenharmony_ci		struct hid_input *hi, struct hid_field *field,
2062306a36Sopenharmony_ci		struct hid_usage *usage, unsigned long **bit, int *max)
2162306a36Sopenharmony_ci{
2262306a36Sopenharmony_ci	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
2362306a36Sopenharmony_ci		if (((usage->hid - 1) & HID_USAGE) == 0) {
2462306a36Sopenharmony_ci			hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
2562306a36Sopenharmony_ci			return 1;
2662306a36Sopenharmony_ci		} else {
2762306a36Sopenharmony_ci			return -1;
2862306a36Sopenharmony_ci		}
2962306a36Sopenharmony_ci	}
3062306a36Sopenharmony_ci
3162306a36Sopenharmony_ci	return 0;
3262306a36Sopenharmony_ci}
3362306a36Sopenharmony_ci
3462306a36Sopenharmony_cistatic const struct hid_device_id penmount_devices[] = {
3562306a36Sopenharmony_ci	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
3662306a36Sopenharmony_ci	{ }
3762306a36Sopenharmony_ci};
3862306a36Sopenharmony_ciMODULE_DEVICE_TABLE(hid, penmount_devices);
3962306a36Sopenharmony_ci
4062306a36Sopenharmony_cistatic struct hid_driver penmount_driver = {
4162306a36Sopenharmony_ci	.name = "hid-penmount",
4262306a36Sopenharmony_ci	.id_table = penmount_devices,
4362306a36Sopenharmony_ci	.input_mapping = penmount_input_mapping,
4462306a36Sopenharmony_ci};
4562306a36Sopenharmony_ci
4662306a36Sopenharmony_cimodule_hid_driver(penmount_driver);
4762306a36Sopenharmony_ci
4862306a36Sopenharmony_ciMODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
4962306a36Sopenharmony_ciMODULE_DESCRIPTION("PenMount HID TouchScreen driver");
5062306a36Sopenharmony_ciMODULE_LICENSE("GPL");
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