1 files changed, 57 insertions, 0 deletions

diff --git a/src/hid_core/resources/abstracted_pad/abstract_nfc_handler.h b/src/hid_core/resources/abstracted_pad/abstract_nfc_handler.h
new file mode 100644
index 000000000..0702722a6
--- /dev/null
+++ b/src/hid_core/resources/abstracted_pad/abstract_nfc_handler.h
@@ -0,0 +1,57 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "hid_core/hid_types.h"
+
+namespace Kernel {
+class KReadableEvent;
+}
+
+enum class NpadNfcState : u32 {
+    Unavailable,
+    Available,
+    Active,
+};
+
+namespace Service::HID {
+class NpadAbstractedPadHolder;
+class NpadAbstractPropertiesHandler;
+
+/// Handles Npad request from HID interfaces
+class NpadAbstractNfcHandler final {
+public:
+    explicit NpadAbstractNfcHandler();
+    ~NpadAbstractNfcHandler();
+
+    void SetAbstractPadHolder(NpadAbstractedPadHolder* holder);
+    void SetPropertiesHandler(NpadAbstractPropertiesHandler* handler);
+
+    Result IncrementRefCounter();
+    Result DecrementRefCounter();
+
+    void UpdateNfcState();
+    bool HasNfcSensor();
+    bool IsNfcActivated();
+
+    Result GetAcquireNfcActivateEventHandle(Kernel::KReadableEvent** out_event);
+    void SetInputEvent(Kernel::KEvent* event);
+
+    Result ActivateNfc(bool is_enabled);
+
+    Result GetXcdHandleWithNfc(u64& out_xcd_handle) const;
+
+private:
+    NpadAbstractedPadHolder* abstract_pad_holder{nullptr};
+    NpadAbstractPropertiesHandler* properties_handler{nullptr};
+
+    s32 ref_counter{};
+    Kernel::KEvent* nfc_activate_event{nullptr};
+    Kernel::KEvent* input_event{nullptr};
+    u64 xcd_handle{};
+    NpadNfcState sensor_state{NpadNfcState::Unavailable};
+};
+} // namespace Service::HID