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+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+
+namespace InputCommon::Joycon {
+enum class DriverResult;
+struct JoyStickCalibration;
+struct IMUCalibration;
+struct JoyconHandle;
+} // namespace InputCommon::Joycon
+
+namespace InputCommon::Joycon {
+
+/// Driver functions related to retrieving calibration data from the device
+class CalibrationProtocol final : private JoyconCommonProtocol {
+public:
+ explicit CalibrationProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ /**
+ * Sends a request to obtain the left stick calibration from memory
+ * @param is_factory_calibration if true factory values will be returned
+ * @returns JoyStickCalibration of the left joystick
+ */
+ DriverResult GetLeftJoyStickCalibration(JoyStickCalibration& calibration);
+
+ /**
+ * Sends a request to obtain the right stick calibration from memory
+ * @param is_factory_calibration if true factory values will be returned
+ * @returns JoyStickCalibration of the right joystick
+ */
+ DriverResult GetRightJoyStickCalibration(JoyStickCalibration& calibration);
+
+ /**
+ * Sends a request to obtain the motion calibration from memory
+ * @returns ImuCalibration of the motion sensor
+ */
+ DriverResult GetImuCalibration(MotionCalibration& calibration);
+
+ /**
+ * Calculates on run time the proper calibration of the ring controller
+ * @returns RingCalibration of the ring sensor
+ */
+ DriverResult GetRingCalibration(RingCalibration& calibration, s16 current_value);
+
+private:
+ void ValidateCalibration(JoyStickCalibration& calibration);
+ void ValidateCalibration(MotionCalibration& calibration);
+
+ s16 ring_data_max = 0;
+ s16 ring_data_default = 0;
+ s16 ring_data_min = 0;
+};
+
+} // namespace InputCommon::Joycon