1 files changed, 123 insertions, 0 deletions
diff --git a/src/hid_core/resources/applet_resource.h b/src/hid_core/resources/applet_resource.h
new file mode 100644
index 000000000..f3f32bac1
--- /dev/null
+++ b/src/hid_core/resources/applet_resource.h
@@ -0,0 +1,123 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <mutex>
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "hid_core/resources/shared_memory_holder.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KSharedMemory;
+}
+
+namespace Service::HID {
+struct SharedMemoryFormat;
+class AppletResource;
+class NPadResource;
+
+static constexpr std::size_t AruidIndexMax = 0x20;
+static constexpr u64 SystemAruid = 0;
+
+enum class RegistrationStatus : u32 {
+    None,
+    Initialized,
+    PendingDelete,
+};
+
+struct DataStatusFlag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> is_initialized;
+        BitField<1, 1, u32> is_assigned;
+        BitField<16, 1, u32> enable_pad_input;
+        BitField<17, 1, u32> enable_six_axis_sensor;
+        BitField<18, 1, u32> bit_18;
+        BitField<19, 1, u32> is_palma_connectable;
+        BitField<20, 1, u32> enable_palma_boost_mode;
+        BitField<21, 1, u32> enable_touchscreen;
+    };
+};
+
+struct AruidRegisterList {
+    std::array<RegistrationStatus, AruidIndexMax> flag{};
+    std::array<u64, AruidIndexMax> aruid{};
+};
+static_assert(sizeof(AruidRegisterList) == 0x180, "AruidRegisterList is an invalid size");
+
+struct AruidData {
+    DataStatusFlag flag{};
+    u64 aruid{};
+    SharedMemoryFormat* shared_memory_format{nullptr};
+};
+
+struct HandheldConfig {
+    bool is_handheld_hid_enabled;
+    bool is_force_handheld;
+    bool is_joycon_rail_enabled;
+    bool is_force_handheld_style_vibration;
+};
+static_assert(sizeof(HandheldConfig) == 0x4, "HandheldConfig is an invalid size");
+
+struct AppletResourceHolder {
+    std::shared_ptr<AppletResource> applet_resource{nullptr};
+    std::recursive_mutex* shared_mutex{nullptr};
+    NPadResource* shared_npad_resource{nullptr};
+    std::shared_ptr<HandheldConfig> handheld_config{nullptr};
+    long* handle_1;
+};
+
+class AppletResource {
+public:
+    explicit AppletResource(Core::System& system_);
+    ~AppletResource();
+
+    Result CreateAppletResource(u64 aruid);
+
+    Result RegisterAppletResourceUserId(u64 aruid, bool enable_input);
+    void UnregisterAppletResourceUserId(u64 aruid);
+
+    void FreeAppletResourceId(u64 aruid);
+
+    u64 GetActiveAruid();
+    Result GetSharedMemoryHandle(Kernel::KSharedMemory** out_handle, u64 aruid);
+    Result GetSharedMemoryFormat(SharedMemoryFormat** out_shared_memory_format, u64 aruid);
+    AruidData* GetAruidData(u64 aruid);
+    AruidData* GetAruidDataByIndex(std::size_t aruid_index);
+
+    bool IsVibrationAruidActive(u64 aruid) const;
+
+    u64 GetIndexFromAruid(u64 aruid);
+
+    Result DestroySevenSixAxisTransferMemory();
+
+    void EnableInput(u64 aruid, bool is_enabled);
+    void EnableSixAxisSensor(u64 aruid, bool is_enabled);
+    void EnablePadInput(u64 aruid, bool is_enabled);
+    void EnableTouchScreen(u64 aruid, bool is_enabled);
+    void SetIsPalmaConnectable(u64 aruid, bool is_connectable);
+    void EnablePalmaBoostMode(u64 aruid, bool is_enabled);
+
+    Result RegisterCoreAppletResource();
+    Result UnregisterCoreAppletResource();
+
+private:
+    u64 active_aruid{};
+    AruidRegisterList registration_list{};
+    std::array<AruidData, AruidIndexMax> data{};
+    std::array<SharedMemoryHolder, AruidIndexMax> shared_memory_holder{};
+    s32 ref_counter{};
+    u64 active_vibration_aruid;
+
+    Core::System& system;
+};
+} // namespace Service::HID