hid_core: Move hid to it's own subproject

src/hid_core/resources/applet_resource.cpp

@@ -0,0 +1,329 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_shared_memory.h"
+#include "hid_core/hid_result.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+AppletResource::AppletResource(Core::System& system_) : system{system_} {}
+
+AppletResource::~AppletResource() = default;
+
+Result AppletResource::CreateAppletResource(u64 aruid) {
+    const u64 index = GetIndexFromAruid(aruid);
+
+    if (index >= AruidIndexMax) {
+        return ResultAruidNotRegistered;
+    }
+
+    if (data[index].flag.is_assigned) {
+        return ResultAruidAlreadyRegistered;
+    }
+
+    auto& shared_memory = shared_memory_holder[index];
+    if (!shared_memory.IsMapped()) {
+        const Result result = shared_memory.Initialize(system);
+        if (result.IsError()) {
+            return result;
+        }
+        if (shared_memory.GetAddress() == nullptr) {
+            shared_memory.Finalize();
+            return ResultSharedMemoryNotInitialized;
+        }
+    }
+
+    auto* shared_memory_format = shared_memory.GetAddress();
+    if (shared_memory_format != nullptr) {
+        shared_memory_format->Initialize();
+    }
+
+    data[index].shared_memory_format = shared_memory_format;
+    data[index].flag.is_assigned.Assign(true);
+    // TODO: InitializeSixAxisControllerConfig(false);
+    active_aruid = aruid;
+    return ResultSuccess;
+}
+
+Result AppletResource::RegisterAppletResourceUserId(u64 aruid, bool enable_input) {
+    const u64 index = GetIndexFromAruid(aruid);
+
+    if (index < AruidIndexMax) {
+        return ResultAruidAlreadyRegistered;
+    }
+
+    std::size_t data_index = AruidIndexMax;
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (!data[i].flag.is_initialized) {
+            data_index = i;
+            break;
+        }
+    }
+
+    if (data_index == AruidIndexMax) {
+        return ResultAruidNoAvailableEntries;
+    }
+
+    AruidData& aruid_data = data[data_index];
+
+    aruid_data.aruid = aruid;
+    aruid_data.flag.is_initialized.Assign(true);
+    if (enable_input) {
+        aruid_data.flag.enable_pad_input.Assign(true);
+        aruid_data.flag.enable_six_axis_sensor.Assign(true);
+        aruid_data.flag.bit_18.Assign(true);
+        aruid_data.flag.enable_touchscreen.Assign(true);
+    }
+
+    data_index = AruidIndexMax;
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (registration_list.flag[i] == RegistrationStatus::Initialized) {
+            if (registration_list.aruid[i] != aruid) {
+                continue;
+            }
+            data_index = i;
+            break;
+        }
+        if (registration_list.flag[i] == RegistrationStatus::None) {
+            data_index = i;
+            break;
+        }
+    }
+
+    if (data_index == AruidIndexMax) {
+        return ResultSuccess;
+    }
+
+    registration_list.flag[data_index] = RegistrationStatus::Initialized;
+    registration_list.aruid[data_index] = aruid;
+
+    return ResultSuccess;
+}
+
+void AppletResource::UnregisterAppletResourceUserId(u64 aruid) {
+    u64 index = GetIndexFromAruid(aruid);
+
+    if (index < AruidIndexMax) {
+        if (data[index].flag.is_assigned) {
+            data[index].shared_memory_format = nullptr;
+            data[index].flag.is_assigned.Assign(false);
+        }
+    }
+
+    index = GetIndexFromAruid(aruid);
+    if (index < AruidIndexMax) {
+        DestroySevenSixAxisTransferMemory();
+        data[index].flag.raw = 0;
+        data[index].aruid = 0;
+
+        index = GetIndexFromAruid(aruid);
+        if (index < AruidIndexMax) {
+            registration_list.flag[index] = RegistrationStatus::PendingDelete;
+        }
+    }
+}
+
+void AppletResource::FreeAppletResourceId(u64 aruid) {
+    u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    auto& aruid_data = data[index];
+    if (aruid_data.flag.is_assigned) {
+        aruid_data.shared_memory_format = nullptr;
+        aruid_data.flag.is_assigned.Assign(false);
+    }
+}
+
+u64 AppletResource::GetActiveAruid() {
+    return active_aruid;
+}
+
+Result AppletResource::GetSharedMemoryHandle(Kernel::KSharedMemory** out_handle, u64 aruid) {
+    u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return ResultAruidNotRegistered;
+    }
+
+    *out_handle = shared_memory_holder[index].GetHandle();
+    return ResultSuccess;
+}
+
+Result AppletResource::GetSharedMemoryFormat(SharedMemoryFormat** out_shared_memory_format,
+                                             u64 aruid) {
+    u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return ResultAruidNotRegistered;
+    }
+
+    *out_shared_memory_format = data[index].shared_memory_format;
+    return ResultSuccess;
+}
+
+AruidData* AppletResource::GetAruidData(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index == AruidIndexMax) {
+        return nullptr;
+    }
+    return &data[aruid_index];
+}
+
+AruidData* AppletResource::GetAruidDataByIndex(std::size_t aruid_index) {
+    return &data[aruid_index];
+}
+
+bool AppletResource::IsVibrationAruidActive(u64 aruid) const {
+    return aruid == 0 || aruid == active_vibration_aruid;
+}
+
+u64 AppletResource::GetIndexFromAruid(u64 aruid) {
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (registration_list.flag[i] == RegistrationStatus::Initialized &&
+            registration_list.aruid[i] == aruid) {
+            return i;
+        }
+    }
+    return AruidIndexMax;
+}
+
+Result AppletResource::DestroySevenSixAxisTransferMemory() {
+    // TODO
+    return ResultSuccess;
+}
+
+void AppletResource::EnableInput(u64 aruid, bool is_enabled) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.enable_pad_input.Assign(is_enabled);
+    data[index].flag.enable_touchscreen.Assign(is_enabled);
+}
+
+void AppletResource::EnableSixAxisSensor(u64 aruid, bool is_enabled) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.enable_six_axis_sensor.Assign(is_enabled);
+}
+
+void AppletResource::EnablePadInput(u64 aruid, bool is_enabled) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.enable_pad_input.Assign(is_enabled);
+}
+
+void AppletResource::EnableTouchScreen(u64 aruid, bool is_enabled) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.enable_touchscreen.Assign(is_enabled);
+}
+
+void AppletResource::SetIsPalmaConnectable(u64 aruid, bool is_connectable) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.is_palma_connectable.Assign(is_connectable);
+}
+
+void AppletResource::EnablePalmaBoostMode(u64 aruid, bool is_enabled) {
+    const u64 index = GetIndexFromAruid(aruid);
+    if (index >= AruidIndexMax) {
+        return;
+    }
+
+    data[index].flag.enable_palma_boost_mode.Assign(is_enabled);
+}
+
+Result AppletResource::RegisterCoreAppletResource() {
+    if (ref_counter == std::numeric_limits<s32>::max() - 1) {
+        return ResultAppletResourceOverflow;
+    }
+    if (ref_counter == 0) {
+        const u64 index = GetIndexFromAruid(0);
+        if (index < AruidIndexMax) {
+            return ResultAruidAlreadyRegistered;
+        }
+
+        std::size_t data_index = AruidIndexMax;
+        for (std::size_t i = 0; i < AruidIndexMax; i++) {
+            if (!data[i].flag.is_initialized) {
+                data_index = i;
+                break;
+            }
+        }
+
+        if (data_index == AruidIndexMax) {
+            return ResultAruidNoAvailableEntries;
+        }
+
+        AruidData& aruid_data = data[data_index];
+
+        aruid_data.aruid = 0;
+        aruid_data.flag.is_initialized.Assign(true);
+        aruid_data.flag.enable_pad_input.Assign(true);
+        aruid_data.flag.enable_six_axis_sensor.Assign(true);
+        aruid_data.flag.bit_18.Assign(true);
+        aruid_data.flag.enable_touchscreen.Assign(true);
+
+        data_index = AruidIndexMax;
+        for (std::size_t i = 0; i < AruidIndexMax; i++) {
+            if (registration_list.flag[i] == RegistrationStatus::Initialized) {
+                if (registration_list.aruid[i] != 0) {
+                    continue;
+                }
+                data_index = i;
+                break;
+            }
+            if (registration_list.flag[i] == RegistrationStatus::None) {
+                data_index = i;
+                break;
+            }
+        }
+
+        Result result = ResultSuccess;
+
+        if (data_index == AruidIndexMax) {
+            result = CreateAppletResource(0);
+        } else {
+            registration_list.flag[data_index] = RegistrationStatus::Initialized;
+            registration_list.aruid[data_index] = 0;
+        }
+
+        if (result.IsError()) {
+            UnregisterAppletResourceUserId(0);
+            return result;
+        }
+    }
+    ref_counter++;
+    return ResultSuccess;
+}
+
+Result AppletResource::UnregisterCoreAppletResource() {
+    if (ref_counter == 0) {
+        return ResultAppletResourceNotInitialized;
+    }
+
+    if (--ref_counter == 0) {
+        UnregisterAppletResourceUserId(0);
+    }
+
+    return ResultSuccess;
+}
+
+} // namespace Service::HID

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

src/hid_core/resources/controller_base.cpp

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+ControllerBase::ControllerBase(Core::HID::HIDCore& hid_core_) : hid_core(hid_core_) {}
+ControllerBase::~ControllerBase() = default;
+
+Result ControllerBase::Activate() {
+    if (is_activated) {
+        return ResultSuccess;
+    }
+    is_activated = true;
+    OnInit();
+    return ResultSuccess;
+}
+
+Result ControllerBase::Activate(u64 aruid) {
+    return Activate();
+}
+
+void ControllerBase::DeactivateController() {
+    if (is_activated) {
+        OnRelease();
+    }
+    is_activated = false;
+}
+
+bool ControllerBase::IsControllerActivated() const {
+    return is_activated;
+}
+
+void ControllerBase::SetAppletResource(std::shared_ptr<AppletResource> resource,
+                                       std::recursive_mutex* resource_mutex) {
+    applet_resource = resource;
+    shared_mutex = resource_mutex;
+}
+
+} // namespace Service::HID

src/hid_core/resources/controller_base.h

@@ -0,0 +1,55 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "hid_core/resources/applet_resource.h"
+
+namespace Core::Timing {
+class CoreTiming;
+}
+
+namespace Core::HID {
+class HIDCore;
+} // namespace Core::HID
+
+namespace Service::HID {
+class ControllerBase {
+public:
+    explicit ControllerBase(Core::HID::HIDCore& hid_core_);
+    virtual ~ControllerBase();
+
+    // Called when the controller is initialized
+    virtual void OnInit() = 0;
+
+    // When the controller is released
+    virtual void OnRelease() = 0;
+
+    // When the controller is requesting an update for the shared memory
+    virtual void OnUpdate(const Core::Timing::CoreTiming& core_timing) = 0;
+
+    // When the controller is requesting a motion update for the shared memory
+    virtual void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing) {}
+
+    Result Activate();
+    Result Activate(u64 aruid);
+
+    void DeactivateController();
+
+    bool IsControllerActivated() const;
+
+    void SetAppletResource(std::shared_ptr<AppletResource> resource,
+                           std::recursive_mutex* resource_mutex);
+
+protected:
+    bool is_activated{false};
+    std::shared_ptr<AppletResource> applet_resource{nullptr};
+    std::recursive_mutex* shared_mutex{nullptr};
+
+    Core::HID::HIDCore& hid_core;
+};
+} // namespace Service::HID

src/hid_core/resources/debug_pad/debug_pad.cpp

@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/settings.h"
+#include "core/core_timing.h"
+#include "hid_core/frontend/emulated_controller.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/debug_pad/debug_pad.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+DebugPad::DebugPad(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Other);
+}
+
+DebugPad::~DebugPad() = default;
+
+void DebugPad::OnInit() {}
+
+void DebugPad::OnRelease() {}
+
+void DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    DebugPadSharedMemoryFormat& shared_memory = data->shared_memory_format->debug_pad;
+
+    if (!IsControllerActivated()) {
+        shared_memory.debug_pad_lifo.buffer_count = 0;
+        shared_memory.debug_pad_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = shared_memory.debug_pad_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    if (Settings::values.debug_pad_enabled) {
+        next_state.attribute.connected.Assign(1);
+
+        const auto& button_state = controller->GetDebugPadButtons();
+        const auto& stick_state = controller->GetSticks();
+
+        next_state.pad_state = button_state;
+        next_state.l_stick = stick_state.left;
+        next_state.r_stick = stick_state.right;
+    }
+
+    shared_memory.debug_pad_lifo.WriteNextEntry(next_state);
+}
+
+} // namespace Service::HID

src/hid_core/resources/debug_pad/debug_pad.h

@@ -0,0 +1,37 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/debug_pad/debug_pad_types.h"
+
+namespace Core::HID {
+class HIDCore;
+class EmulatedController;
+} // namespace Core::HID
+
+namespace Core::Timing {
+class CoreTiming;
+}
+
+namespace Service::HID {
+class DebugPad final : public ControllerBase {
+public:
+    explicit DebugPad(Core::HID::HIDCore& hid_core_);
+    ~DebugPad() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    DebugPadState next_state{};
+    Core::HID::EmulatedController* controller = nullptr;
+};
+} // namespace Service::HID

src/hid_core/resources/debug_pad/debug_pad_types.h

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+
+// This is nn::hid::DebugPadAttribute
+struct DebugPadAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> connected;
+    };
+};
+static_assert(sizeof(DebugPadAttribute) == 0x4, "DebugPadAttribute is an invalid size");
+
+// This is nn::hid::DebugPadState
+struct DebugPadState {
+    s64 sampling_number{};
+    DebugPadAttribute attribute{};
+    Core::HID::DebugPadButton pad_state{};
+    Core::HID::AnalogStickState r_stick{};
+    Core::HID::AnalogStickState l_stick{};
+};
+static_assert(sizeof(DebugPadState) == 0x20, "DebugPadState is an invalid state");
+
+} // namespace Service::HID

src/hid_core/resources/digitizer/digitizer.cpp

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/digitizer/digitizer.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+Digitizer::Digitizer(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
+
+Digitizer::~Digitizer() = default;
+
+void Digitizer::OnInit() {}
+
+void Digitizer::OnRelease() {}
+
+void Digitizer::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!smart_update) {
+        return;
+    }
+
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    auto& header = data->shared_memory_format->digitizer.header;
+    header.timestamp = core_timing.GetGlobalTimeNs().count();
+    header.total_entry_count = 17;
+    header.entry_count = 0;
+    header.last_entry_index = 0;
+}
+
+} // namespace Service::HID

src/hid_core/resources/digitizer/digitizer.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+class Digitizer final : public ControllerBase {
+public:
+    explicit Digitizer(Core::HID::HIDCore& hid_core_);
+    ~Digitizer() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    bool smart_update{};
+};
+} // namespace Service::HID

src/hid_core/resources/hid_firmware_settings.cpp

@@ -0,0 +1,99 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "hid_core/resources/hid_firmware_settings.h"
+
+namespace Service::HID {
+
+HidFirmwareSettings::HidFirmwareSettings() {
+    LoadSettings(true);
+}
+
+void HidFirmwareSettings::Reload() {
+    LoadSettings(true);
+}
+
+void HidFirmwareSettings::LoadSettings(bool reload_config) {
+    if (is_initalized && !reload_config) {
+        return;
+    }
+
+    // TODO: Use nn::settings::fwdbg::GetSettingsItemValue to load config values
+
+    is_debug_pad_enabled = true;
+    is_device_managed = true;
+    is_touch_i2c_managed = is_device_managed;
+    is_future_devices_emulated = false;
+    is_mcu_hardware_error_emulated = false;
+    is_rail_enabled = true;
+    is_firmware_update_failure_emulated = false;
+    is_firmware_update_failure = {};
+    is_ble_disabled = false;
+    is_dscale_disabled = false;
+    is_handheld_forced = true;
+    features_per_id_disabled = {};
+    is_touch_firmware_auto_update_disabled = false;
+    is_initalized = true;
+}
+
+bool HidFirmwareSettings::IsDebugPadEnabled() {
+    LoadSettings(false);
+    return is_debug_pad_enabled;
+}
+
+bool HidFirmwareSettings::IsDeviceManaged() {
+    LoadSettings(false);
+    return is_device_managed;
+}
+
+bool HidFirmwareSettings::IsEmulateFutureDevice() {
+    LoadSettings(false);
+    return is_future_devices_emulated;
+}
+
+bool HidFirmwareSettings::IsTouchI2cManaged() {
+    LoadSettings(false);
+    return is_touch_i2c_managed;
+}
+
+bool HidFirmwareSettings::IsHandheldForced() {
+    LoadSettings(false);
+    return is_handheld_forced;
+}
+
+bool HidFirmwareSettings::IsRailEnabled() {
+    LoadSettings(false);
+    return is_rail_enabled;
+}
+
+bool HidFirmwareSettings::IsHardwareErrorEmulated() {
+    LoadSettings(false);
+    return is_mcu_hardware_error_emulated;
+}
+
+bool HidFirmwareSettings::IsBleDisabled() {
+    LoadSettings(false);
+    return is_ble_disabled;
+}
+
+bool HidFirmwareSettings::IsDscaleDisabled() {
+    LoadSettings(false);
+    return is_dscale_disabled;
+}
+
+bool HidFirmwareSettings::IsTouchAutoUpdateDisabled() {
+    LoadSettings(false);
+    return is_touch_firmware_auto_update_disabled;
+}
+
+HidFirmwareSettings::FirmwareSetting HidFirmwareSettings::GetFirmwareUpdateFailure() {
+    LoadSettings(false);
+    return is_firmware_update_failure;
+}
+
+HidFirmwareSettings::FeaturesPerId HidFirmwareSettings::FeaturesDisabledPerId() {
+    LoadSettings(false);
+    return features_per_id_disabled;
+}
+
+} // namespace Service::HID

src/hid_core/resources/hid_firmware_settings.h

@@ -0,0 +1,54 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Service::HID {
+
+/// Loads firmware config from nn::settings::fwdbg
+class HidFirmwareSettings {
+public:
+    using FirmwareSetting = std::array<u8, 4>;
+    using FeaturesPerId = std::array<bool, 0xA8>;
+
+    HidFirmwareSettings();
+
+    void Reload();
+    void LoadSettings(bool reload_config);
+
+    bool IsDebugPadEnabled();
+    bool IsDeviceManaged();
+    bool IsEmulateFutureDevice();
+    bool IsTouchI2cManaged();
+    bool IsHandheldForced();
+    bool IsRailEnabled();
+    bool IsHardwareErrorEmulated();
+    bool IsBleDisabled();
+    bool IsDscaleDisabled();
+    bool IsTouchAutoUpdateDisabled();
+
+    FirmwareSetting GetFirmwareUpdateFailure();
+    FeaturesPerId FeaturesDisabledPerId();
+
+private:
+    bool is_initalized{};
+
+    // Debug settings
+    bool is_debug_pad_enabled{};
+    bool is_device_managed{};
+    bool is_touch_i2c_managed{};
+    bool is_future_devices_emulated{};
+    bool is_mcu_hardware_error_emulated{};
+    bool is_rail_enabled{};
+    bool is_firmware_update_failure_emulated{};
+    bool is_ble_disabled{};
+    bool is_dscale_disabled{};
+    bool is_handheld_forced{};
+    bool is_touch_firmware_auto_update_disabled{};
+    FirmwareSetting is_firmware_update_failure{};
+    FeaturesPerId features_per_id_disabled{};
+};
+
+} // namespace Service::HID

src/hid_core/resources/irs_ring_lifo.h

@@ -0,0 +1,47 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+
+namespace Service::IRS {
+
+template <typename State, std::size_t max_buffer_size>
+struct Lifo {
+    s64 sampling_number{};
+    s64 buffer_count{};
+    std::array<State, max_buffer_size> entries{};
+
+    const State& ReadCurrentEntry() const {
+        return entries[GetBufferTail()];
+    }
+
+    const State& ReadPreviousEntry() const {
+        return entries[GetPreviousEntryIndex()];
+    }
+
+    s64 GetBufferTail() const {
+        return sampling_number % max_buffer_size;
+    }
+
+    std::size_t GetPreviousEntryIndex() const {
+        return static_cast<size_t>((GetBufferTail() + max_buffer_size - 1) % max_buffer_size);
+    }
+
+    std::size_t GetNextEntryIndex() const {
+        return static_cast<size_t>((GetBufferTail() + 1) % max_buffer_size);
+    }
+
+    void WriteNextEntry(const State& new_state) {
+        if (buffer_count < static_cast<s64>(max_buffer_size)) {
+            buffer_count++;
+        }
+        sampling_number++;
+        entries[GetBufferTail()] = new_state;
+    }
+};
+
+} // namespace Service::IRS

src/hid_core/resources/keyboard/keyboard.cpp

@@ -0,0 +1,56 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/settings.h"
+#include "core/core_timing.h"
+#include "hid_core/frontend/emulated_devices.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/keyboard/keyboard.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+Keyboard::Keyboard(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    emulated_devices = hid_core.GetEmulatedDevices();
+}
+
+Keyboard::~Keyboard() = default;
+
+void Keyboard::OnInit() {}
+
+void Keyboard::OnRelease() {}
+
+void Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    KeyboardSharedMemoryFormat& shared_memory = data->shared_memory_format->keyboard;
+
+    if (!IsControllerActivated()) {
+        shared_memory.keyboard_lifo.buffer_count = 0;
+        shared_memory.keyboard_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = shared_memory.keyboard_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    if (Settings::values.keyboard_enabled) {
+        const auto& keyboard_state = emulated_devices->GetKeyboard();
+        const auto& keyboard_modifier_state = emulated_devices->GetKeyboardModifier();
+
+        next_state.key = keyboard_state;
+        next_state.modifier = keyboard_modifier_state;
+        next_state.attribute.is_connected.Assign(1);
+    }
+
+    shared_memory.keyboard_lifo.WriteNextEntry(next_state);
+}
+
+} // namespace Service::HID

src/hid_core/resources/keyboard/keyboard.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/keyboard/keyboard_types.h"
+
+namespace Core::HID {
+class HIDCore;
+class EmulatedDevices;
+} // namespace Core::HID
+
+namespace Service::HID {
+class Keyboard final : public ControllerBase {
+public:
+    explicit Keyboard(Core::HID::HIDCore& hid_core_);
+    ~Keyboard() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    KeyboardState next_state{};
+    Core::HID::EmulatedDevices* emulated_devices = nullptr;
+};
+} // namespace Service::HID

src/hid_core/resources/keyboard/keyboard_types.h

@@ -0,0 +1,20 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+
+// This is nn::hid::detail::KeyboardState
+struct KeyboardState {
+    s64 sampling_number{};
+    Core::HID::KeyboardModifier modifier{};
+    Core::HID::KeyboardAttribute attribute{};
+    Core::HID::KeyboardKey key{};
+};
+static_assert(sizeof(KeyboardState) == 0x30, "KeyboardState is an invalid size");
+
+} // namespace Service::HID

src/hid_core/resources/mouse/debug_mouse.cpp

@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "core/frontend/emu_window.h"
+#include "hid_core/frontend/emulated_devices.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/mouse/debug_mouse.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+DebugMouse::DebugMouse(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    emulated_devices = hid_core.GetEmulatedDevices();
+}
+
+DebugMouse::~DebugMouse() = default;
+
+void DebugMouse::OnInit() {}
+void DebugMouse::OnRelease() {}
+
+void DebugMouse::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    MouseSharedMemoryFormat& shared_memory = data->shared_memory_format->debug_mouse;
+
+    if (!IsControllerActivated()) {
+        shared_memory.mouse_lifo.buffer_count = 0;
+        shared_memory.mouse_lifo.buffer_tail = 0;
+        return;
+    }
+
+    next_state = {};
+
+    const auto& last_entry = shared_memory.mouse_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    if (Settings::values.mouse_enabled) {
+        const auto& mouse_button_state = emulated_devices->GetMouseButtons();
+        const auto& mouse_position_state = emulated_devices->GetMousePosition();
+        const auto& mouse_wheel_state = emulated_devices->GetMouseWheel();
+        next_state.attribute.is_connected.Assign(1);
+        next_state.x = static_cast<s32>(mouse_position_state.x * Layout::ScreenUndocked::Width);
+        next_state.y = static_cast<s32>(mouse_position_state.y * Layout::ScreenUndocked::Height);
+        next_state.delta_x = next_state.x - last_entry.x;
+        next_state.delta_y = next_state.y - last_entry.y;
+        next_state.delta_wheel_x = mouse_wheel_state.x - last_mouse_wheel_state.x;
+        next_state.delta_wheel_y = mouse_wheel_state.y - last_mouse_wheel_state.y;
+
+        last_mouse_wheel_state = mouse_wheel_state;
+        next_state.button = mouse_button_state;
+    }
+
+    shared_memory.mouse_lifo.WriteNextEntry(next_state);
+}
+
+} // namespace Service::HID

src/hid_core/resources/mouse/debug_mouse.h

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+
+namespace Core::HID {
+class HIDCore;
+class EmulatedDevices;
+} // namespace Core::HID
+
+namespace Service::HID {
+class DebugMouse final : public ControllerBase {
+public:
+    explicit DebugMouse(Core::HID::HIDCore& hid_core_);
+    ~DebugMouse() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    Core::HID::MouseState next_state{};
+    Core::HID::AnalogStickState last_mouse_wheel_state{};
+    Core::HID::EmulatedDevices* emulated_devices = nullptr;
+};
+} // namespace Service::HID

src/hid_core/resources/mouse/mouse.cpp

@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "core/frontend/emu_window.h"
+#include "hid_core/frontend/emulated_devices.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/mouse/mouse.h"
+#include "hid_core/resources/shared_memory_format.h"
+
+namespace Service::HID {
+
+Mouse::Mouse(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    emulated_devices = hid_core.GetEmulatedDevices();
+}
+
+Mouse::~Mouse() = default;
+
+void Mouse::OnInit() {}
+void Mouse::OnRelease() {}
+
+void Mouse::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    MouseSharedMemoryFormat& shared_memory = data->shared_memory_format->mouse;
+
+    if (!IsControllerActivated()) {
+        shared_memory.mouse_lifo.buffer_count = 0;
+        shared_memory.mouse_lifo.buffer_tail = 0;
+        return;
+    }
+
+    next_state = {};
+
+    const auto& last_entry = shared_memory.mouse_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    if (Settings::values.mouse_enabled) {
+        const auto& mouse_button_state = emulated_devices->GetMouseButtons();
+        const auto& mouse_position_state = emulated_devices->GetMousePosition();
+        const auto& mouse_wheel_state = emulated_devices->GetMouseWheel();
+        next_state.attribute.is_connected.Assign(1);
+        next_state.x = static_cast<s32>(mouse_position_state.x * Layout::ScreenUndocked::Width);
+        next_state.y = static_cast<s32>(mouse_position_state.y * Layout::ScreenUndocked::Height);
+        next_state.delta_x = next_state.x - last_entry.x;
+        next_state.delta_y = next_state.y - last_entry.y;
+        next_state.delta_wheel_x = mouse_wheel_state.x - last_mouse_wheel_state.x;
+        next_state.delta_wheel_y = mouse_wheel_state.y - last_mouse_wheel_state.y;
+
+        last_mouse_wheel_state = mouse_wheel_state;
+        next_state.button = mouse_button_state;
+    }
+
+    shared_memory.mouse_lifo.WriteNextEntry(next_state);
+}
+
+} // namespace Service::HID

src/hid_core/resources/mouse/mouse.h

@@ -0,0 +1,34 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+
+namespace Core::HID {
+class HIDCore;
+class EmulatedDevices;
+} // namespace Core::HID
+
+namespace Service::HID {
+class Mouse final : public ControllerBase {
+public:
+    explicit Mouse(Core::HID::HIDCore& hid_core_);
+    ~Mouse() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    Core::HID::MouseState next_state{};
+    Core::HID::AnalogStickState last_mouse_wheel_state{};
+    Core::HID::EmulatedDevices* emulated_devices = nullptr;
+};
+} // namespace Service::HID

src/hid_core/resources/mouse/mouse_types.h

@@ -0,0 +1,8 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Service::HID {} // namespace Service::HID

src/hid_core/resources/npad/npad.h

@@ -0,0 +1,214 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include <atomic>
+#include <mutex>
+#include <span>
+
+#include "common/common_types.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/npad/npad_resource.h"
+#include "hid_core/resources/npad/npad_types.h"
+
+namespace Core::HID {
+class EmulatedController;
+enum class ControllerTriggerType;
+} // namespace Core::HID
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Service::KernelHelpers {
+class ServiceContext;
+} // namespace Service::KernelHelpers
+
+union Result;
+
+namespace Service::HID {
+class AppletResource;
+struct NpadInternalState;
+struct NpadSixAxisSensorLifo;
+struct NpadSharedMemoryFormat;
+
+class NPad final {
+public:
+    explicit NPad(Core::HID::HIDCore& hid_core_, KernelHelpers::ServiceContext& service_context_);
+    ~NPad();
+
+    Result Activate();
+    Result Activate(u64 aruid);
+
+    Result ActivateNpadResource();
+    Result ActivateNpadResource(u64 aruid);
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing);
+
+    Result SetSupportedNpadStyleSet(u64 aruid, Core::HID::NpadStyleSet supported_style_set);
+    Result GetSupportedNpadStyleSet(u64 aruid,
+                                    Core::HID::NpadStyleSet& out_supported_style_set) const;
+    Result GetMaskedSupportedNpadStyleSet(u64 aruid,
+                                          Core::HID::NpadStyleSet& out_supported_style_set) const;
+
+    Result SetSupportedNpadIdType(u64 aruid,
+                                  std::span<const Core::HID::NpadIdType> supported_npad_list);
+
+    Result SetNpadJoyHoldType(u64 aruid, NpadJoyHoldType hold_type);
+    Result GetNpadJoyHoldType(u64 aruid, NpadJoyHoldType& out_hold_type) const;
+
+    Result SetNpadHandheldActivationMode(u64 aruid, NpadHandheldActivationMode mode);
+    Result GetNpadHandheldActivationMode(u64 aruid, NpadHandheldActivationMode& out_mode) const;
+
+    bool SetNpadMode(u64 aruid, Core::HID::NpadIdType& new_npad_id, Core::HID::NpadIdType npad_id,
+                     NpadJoyDeviceType npad_device_type, NpadJoyAssignmentMode assignment_mode);
+
+    bool VibrateControllerAtIndex(u64 aruid, Core::HID::NpadIdType npad_id,
+                                  std::size_t device_index,
+                                  const Core::HID::VibrationValue& vibration_value);
+
+    void VibrateController(u64 aruid,
+                           const Core::HID::VibrationDeviceHandle& vibration_device_handle,
+                           const Core::HID::VibrationValue& vibration_value);
+
+    void VibrateControllers(
+        u64 aruid, std::span<const Core::HID::VibrationDeviceHandle> vibration_device_handles,
+        std::span<const Core::HID::VibrationValue> vibration_values);
+
+    Core::HID::VibrationValue GetLastVibration(
+        u64 aruid, const Core::HID::VibrationDeviceHandle& vibration_device_handle) const;
+
+    void InitializeVibrationDevice(const Core::HID::VibrationDeviceHandle& vibration_device_handle);
+
+    void InitializeVibrationDeviceAtIndex(u64 aruid, Core::HID::NpadIdType npad_id,
+                                          std::size_t device_index);
+
+    void SetPermitVibrationSession(bool permit_vibration_session);
+
+    bool IsVibrationDeviceMounted(
+        u64 aruid, const Core::HID::VibrationDeviceHandle& vibration_device_handle) const;
+
+    Result AcquireNpadStyleSetUpdateEventHandle(u64 aruid, Kernel::KReadableEvent** out_event,
+                                                Core::HID::NpadIdType npad_id);
+
+    // Adds a new controller at an index.
+    void AddNewControllerAt(u64 aruid, Core::HID::NpadStyleIndex controller,
+                            Core::HID::NpadIdType npad_id);
+    // Adds a new controller at an index with connection status.
+    void UpdateControllerAt(u64 aruid, Core::HID::NpadStyleIndex controller,
+                            Core::HID::NpadIdType npad_id, bool connected);
+
+    Result DisconnectNpad(u64 aruid, Core::HID::NpadIdType npad_id);
+
+    Result IsFirmwareUpdateAvailableForSixAxisSensor(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+        bool& is_firmware_available) const;
+    Result ResetIsSixAxisSensorDeviceNewlyAssigned(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& sixaxis_handle);
+
+    Result GetLedPattern(Core::HID::NpadIdType npad_id, Core::HID::LedPattern& pattern) const;
+
+    Result IsUnintendedHomeButtonInputProtectionEnabled(bool& out_is_enabled, u64 aruid,
+                                                        Core::HID::NpadIdType npad_id) const;
+    Result EnableUnintendedHomeButtonInputProtection(u64 aruid, Core::HID::NpadIdType npad_id,
+                                                     bool is_enabled);
+
+    void SetNpadAnalogStickUseCenterClamp(u64 aruid, bool is_enabled);
+    void ClearAllConnectedControllers();
+    void DisconnectAllConnectedControllers();
+    void ConnectAllDisconnectedControllers();
+    void ClearAllControllers();
+
+    Result MergeSingleJoyAsDualJoy(u64 aruid, Core::HID::NpadIdType npad_id_1,
+                                   Core::HID::NpadIdType npad_id_2);
+    Result StartLrAssignmentMode(u64 aruid);
+    Result StopLrAssignmentMode(u64 aruid);
+    Result SwapNpadAssignment(u64 aruid, Core::HID::NpadIdType npad_id_1,
+                              Core::HID::NpadIdType npad_id_2);
+
+    // Logical OR for all buttons presses on all controllers
+    // Specifically for cheat engine and other features.
+    Core::HID::NpadButton GetAndResetPressState();
+
+    Result ApplyNpadSystemCommonPolicy(u64 aruid);
+    Result ApplyNpadSystemCommonPolicyFull(u64 aruid);
+    Result ClearNpadSystemCommonPolicy(u64 aruid);
+
+    void SetRevision(u64 aruid, NpadRevision revision);
+    NpadRevision GetRevision(u64 aruid);
+
+    Result RegisterAppletResourceUserId(u64 aruid);
+    void UnregisterAppletResourceUserId(u64 aruid);
+    void SetNpadExternals(std::shared_ptr<AppletResource> resource,
+                          std::recursive_mutex* shared_mutex);
+
+    AppletDetailedUiType GetAppletDetailedUiType(Core::HID::NpadIdType npad_id);
+
+private:
+    struct VibrationData {
+        bool device_mounted{};
+        Core::HID::VibrationValue latest_vibration_value{};
+        std::chrono::steady_clock::time_point last_vibration_timepoint{};
+    };
+
+    struct NpadControllerData {
+        NpadInternalState* shared_memory = nullptr;
+        Core::HID::EmulatedController* device = nullptr;
+
+        std::array<VibrationData, 2> vibration{};
+        bool is_connected{};
+
+        // Dual joycons can have only one side connected
+        bool is_dual_left_connected{true};
+        bool is_dual_right_connected{true};
+
+        // Current pad state
+        NPadGenericState npad_pad_state{};
+        NPadGenericState npad_libnx_state{};
+        NpadGcTriggerState npad_trigger_state{};
+        int callback_key{};
+    };
+
+    void ControllerUpdate(Core::HID::ControllerTriggerType type, std::size_t controller_idx);
+    void InitNewlyAddedController(u64 aruid, Core::HID::NpadIdType npad_id);
+    void RequestPadStateUpdate(u64 aruid, Core::HID::NpadIdType npad_id);
+    void WriteEmptyEntry(NpadInternalState* npad);
+
+    NpadControllerData& GetControllerFromHandle(
+        u64 aruid, const Core::HID::VibrationDeviceHandle& device_handle);
+    const NpadControllerData& GetControllerFromHandle(
+        u64 aruid, const Core::HID::VibrationDeviceHandle& device_handle) const;
+    NpadControllerData& GetControllerFromHandle(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& device_handle);
+    const NpadControllerData& GetControllerFromHandle(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& device_handle) const;
+    NpadControllerData& GetControllerFromNpadIdType(u64 aruid, Core::HID::NpadIdType npad_id);
+    const NpadControllerData& GetControllerFromNpadIdType(u64 aruid,
+                                                          Core::HID::NpadIdType npad_id) const;
+
+    Core::HID::SixAxisSensorProperties& GetSixaxisProperties(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& device_handle);
+    const Core::HID::SixAxisSensorProperties& GetSixaxisProperties(
+        u64 aruid, const Core::HID::SixAxisSensorHandle& device_handle) const;
+
+    Core::HID::HIDCore& hid_core;
+    KernelHelpers::ServiceContext& service_context;
+
+    s32 ref_counter{};
+    mutable std::mutex mutex;
+    NPadResource npad_resource;
+    AppletResourceHolder applet_resource_holder{};
+    Kernel::KEvent* input_event{nullptr};
+    std::mutex* input_mutex{nullptr};
+
+    std::atomic<u64> press_state{};
+    bool permit_vibration_session_enabled;
+    std::array<std::array<NpadControllerData, MaxSupportedNpadIdTypes>, AruidIndexMax>
+        controller_data{};
+};
+} // namespace Service::HID

src/hid_core/resources/npad/npad_data.cpp

@@ -0,0 +1,228 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "hid_core/hid_util.h"
+#include "hid_core/resources/npad/npad_data.h"
+
+namespace Service::HID {
+
+NPadData::NPadData() {
+    ClearNpadSystemCommonPolicy();
+}
+
+NPadData::~NPadData() = default;
+
+NpadStatus NPadData::GetNpadStatus() const {
+    return status;
+}
+
+void NPadData::SetNpadAnalogStickUseCenterClamp(bool is_enabled) {
+    status.use_center_clamp.Assign(is_enabled);
+}
+
+bool NPadData::GetNpadAnalogStickUseCenterClamp() const {
+    return status.use_center_clamp.As<bool>();
+}
+
+void NPadData::SetNpadSystemExtStateEnabled(bool is_enabled) {
+    status.system_ext_state.Assign(is_enabled);
+}
+
+bool NPadData::GetNpadSystemExtState() const {
+    return status.system_ext_state.As<bool>();
+}
+
+Result NPadData::SetSupportedNpadIdType(std::span<const Core::HID::NpadIdType> list) {
+    // Note: Real limit is 11. But array size is 10. N's bug?
+    if (list.size() > MaxSupportedNpadIdTypes) {
+        return ResultInvalidArraySize;
+    }
+
+    supported_npad_id_types_count = list.size();
+    memcpy(supported_npad_id_types.data(), list.data(),
+           list.size() * sizeof(Core::HID::NpadIdType));
+
+    return ResultSuccess;
+}
+
+std::size_t NPadData::GetSupportedNpadIdType(std::span<Core::HID::NpadIdType> out_list) const {
+    std::size_t out_size = std::min(supported_npad_id_types_count, out_list.size());
+
+    memcpy(out_list.data(), supported_npad_id_types.data(),
+           out_size * sizeof(Core::HID::NpadIdType));
+
+    return out_size;
+}
+
+bool NPadData::IsNpadIdTypeSupported(Core::HID::NpadIdType npad_id) const {
+    for (std::size_t i = 0; i < supported_npad_id_types_count; i++) {
+        if (supported_npad_id_types[i] == npad_id) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void NPadData::SetNpadSystemCommonPolicy(bool is_full_policy) {
+    supported_npad_style_set = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::JoyDual |
+                               Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+    handheld_activation_mode = NpadHandheldActivationMode::Dual;
+
+    status.is_supported_styleset_set.Assign(true);
+    status.is_hold_type_set.Assign(true);
+    status.lr_assignment_mode.Assign(false);
+    status.is_policy.Assign(true);
+    if (is_full_policy) {
+        status.is_full_policy.Assign(true);
+    }
+
+    supported_npad_id_types_count = 10;
+    supported_npad_id_types[0] = Core::HID::NpadIdType::Player1;
+    supported_npad_id_types[1] = Core::HID::NpadIdType::Player2;
+    supported_npad_id_types[2] = Core::HID::NpadIdType::Player3;
+    supported_npad_id_types[3] = Core::HID::NpadIdType::Player4;
+    supported_npad_id_types[4] = Core::HID::NpadIdType::Player5;
+    supported_npad_id_types[5] = Core::HID::NpadIdType::Player6;
+    supported_npad_id_types[6] = Core::HID::NpadIdType::Player7;
+    supported_npad_id_types[7] = Core::HID::NpadIdType::Player8;
+    supported_npad_id_types[8] = Core::HID::NpadIdType::Other;
+    supported_npad_id_types[9] = Core::HID::NpadIdType::Handheld;
+
+    for (auto& input_protection : is_unintended_home_button_input_protection) {
+        input_protection = true;
+    }
+}
+
+void NPadData::ClearNpadSystemCommonPolicy() {
+    status.raw = 0;
+    supported_npad_style_set = Core::HID::NpadStyleSet::All;
+    npad_hold_type = NpadJoyHoldType::Vertical;
+    handheld_activation_mode = NpadHandheldActivationMode::Dual;
+
+    for (auto& button_assignment : npad_button_assignment) {
+        button_assignment = Core::HID::NpadButton::None;
+    }
+
+    supported_npad_id_types_count = 10;
+    supported_npad_id_types[0] = Core::HID::NpadIdType::Player1;
+    supported_npad_id_types[1] = Core::HID::NpadIdType::Player2;
+    supported_npad_id_types[2] = Core::HID::NpadIdType::Player3;
+    supported_npad_id_types[3] = Core::HID::NpadIdType::Player4;
+    supported_npad_id_types[4] = Core::HID::NpadIdType::Player5;
+    supported_npad_id_types[5] = Core::HID::NpadIdType::Player6;
+    supported_npad_id_types[6] = Core::HID::NpadIdType::Player7;
+    supported_npad_id_types[7] = Core::HID::NpadIdType::Player8;
+    supported_npad_id_types[8] = Core::HID::NpadIdType::Other;
+    supported_npad_id_types[9] = Core::HID::NpadIdType::Handheld;
+
+    for (auto& input_protection : is_unintended_home_button_input_protection) {
+        input_protection = true;
+    }
+}
+
+void NPadData::SetNpadJoyHoldType(NpadJoyHoldType hold_type) {
+    npad_hold_type = hold_type;
+    status.is_hold_type_set.Assign(true);
+}
+
+NpadJoyHoldType NPadData::GetNpadJoyHoldType() const {
+    return npad_hold_type;
+}
+
+void NPadData::SetHandheldActivationMode(NpadHandheldActivationMode activation_mode) {
+    handheld_activation_mode = activation_mode;
+}
+
+NpadHandheldActivationMode NPadData::GetHandheldActivationMode() const {
+    return handheld_activation_mode;
+}
+
+void NPadData::SetSupportedNpadStyleSet(Core::HID::NpadStyleSet style_set) {
+    supported_npad_style_set = style_set;
+    status.is_supported_styleset_set.Assign(true);
+    status.is_hold_type_set.Assign(true);
+}
+
+Core::HID::NpadStyleSet NPadData::GetSupportedNpadStyleSet() const {
+    return supported_npad_style_set;
+}
+
+bool NPadData::IsNpadStyleIndexSupported(Core::HID::NpadStyleIndex style_index) const {
+    Core::HID::NpadStyleTag style = {supported_npad_style_set};
+    switch (style_index) {
+    case Core::HID::NpadStyleIndex::ProController:
+        return style.fullkey.As<bool>();
+    case Core::HID::NpadStyleIndex::Handheld:
+        return style.handheld.As<bool>();
+    case Core::HID::NpadStyleIndex::JoyconDual:
+        return style.joycon_dual.As<bool>();
+    case Core::HID::NpadStyleIndex::JoyconLeft:
+        return style.joycon_left.As<bool>();
+    case Core::HID::NpadStyleIndex::JoyconRight:
+        return style.joycon_right.As<bool>();
+    case Core::HID::NpadStyleIndex::GameCube:
+        return style.gamecube.As<bool>();
+    case Core::HID::NpadStyleIndex::Pokeball:
+        return style.palma.As<bool>();
+    case Core::HID::NpadStyleIndex::NES:
+        return style.lark.As<bool>();
+    case Core::HID::NpadStyleIndex::SNES:
+        return style.lucia.As<bool>();
+    case Core::HID::NpadStyleIndex::N64:
+        return style.lagoon.As<bool>();
+    case Core::HID::NpadStyleIndex::SegaGenesis:
+        return style.lager.As<bool>();
+    default:
+        return false;
+    }
+}
+
+void NPadData::SetLrAssignmentMode(bool is_enabled) {
+    status.lr_assignment_mode.Assign(is_enabled);
+}
+
+bool NPadData::GetLrAssignmentMode() const {
+    return status.lr_assignment_mode.As<bool>();
+}
+
+void NPadData::SetAssigningSingleOnSlSrPress(bool is_enabled) {
+    status.assigning_single_on_sl_sr_press.Assign(is_enabled);
+}
+
+bool NPadData::GetAssigningSingleOnSlSrPress() const {
+    return status.assigning_single_on_sl_sr_press.As<bool>();
+}
+
+void NPadData::SetHomeProtectionEnabled(bool is_enabled, Core::HID::NpadIdType npad_id) {
+    is_unintended_home_button_input_protection[NpadIdTypeToIndex(npad_id)] = is_enabled;
+}
+
+bool NPadData::GetHomeProtectionEnabled(Core::HID::NpadIdType npad_id) const {
+    return is_unintended_home_button_input_protection[NpadIdTypeToIndex(npad_id)];
+}
+
+void NPadData::SetCaptureButtonAssignment(Core::HID::NpadButton button_assignment,
+                                          std::size_t style_index) {
+    npad_button_assignment[style_index] = button_assignment;
+}
+
+Core::HID::NpadButton NPadData::GetCaptureButtonAssignment(std::size_t style_index) const {
+    return npad_button_assignment[style_index];
+}
+
+std::size_t NPadData::GetNpadCaptureButtonAssignmentList(
+    std::span<Core::HID::NpadButton> out_list) const {
+    for (std::size_t i = 0; i < out_list.size(); i++) {
+        Core::HID::NpadStyleSet style_set = GetStylesetByIndex(i);
+        if ((style_set & supported_npad_style_set) == Core::HID::NpadStyleSet::None ||
+            npad_button_assignment[i] == Core::HID::NpadButton::None) {
+            return i;
+        }
+        out_list[i] = npad_button_assignment[i];
+    }
+
+    return out_list.size();
+}
+
+} // namespace Service::HID

src/hid_core/resources/npad/npad_data.h

@@ -0,0 +1,88 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <span>
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/npad/npad_types.h"
+
+namespace Service::HID {
+
+struct NpadStatus {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> is_supported_styleset_set;
+        BitField<1, 1, u32> is_hold_type_set;
+        BitField<2, 1, u32> lr_assignment_mode;
+        BitField<3, 1, u32> assigning_single_on_sl_sr_press;
+        BitField<4, 1, u32> is_full_policy;
+        BitField<5, 1, u32> is_policy;
+        BitField<6, 1, u32> use_center_clamp;
+        BitField<7, 1, u32> system_ext_state;
+    };
+};
+static_assert(sizeof(NpadStatus) == 4, "NpadStatus is an invalid size");
+
+/// Handles Npad request from HID interfaces
+class NPadData final {
+public:
+    explicit NPadData();
+    ~NPadData();
+
+    NpadStatus GetNpadStatus() const;
+
+    void SetNpadAnalogStickUseCenterClamp(bool is_enabled);
+    bool GetNpadAnalogStickUseCenterClamp() const;
+
+    void SetNpadSystemExtStateEnabled(bool is_enabled);
+    bool GetNpadSystemExtState() const;
+
+    Result SetSupportedNpadIdType(std::span<const Core::HID::NpadIdType> list);
+    std::size_t GetSupportedNpadIdType(std::span<Core::HID::NpadIdType> out_list) const;
+    bool IsNpadIdTypeSupported(Core::HID::NpadIdType npad_id) const;
+
+    void SetNpadSystemCommonPolicy(bool is_full_policy);
+    void ClearNpadSystemCommonPolicy();
+
+    void SetNpadJoyHoldType(NpadJoyHoldType hold_type);
+    NpadJoyHoldType GetNpadJoyHoldType() const;
+
+    void SetHandheldActivationMode(NpadHandheldActivationMode activation_mode);
+    NpadHandheldActivationMode GetHandheldActivationMode() const;
+
+    void SetSupportedNpadStyleSet(Core::HID::NpadStyleSet style_set);
+    Core::HID::NpadStyleSet GetSupportedNpadStyleSet() const;
+    bool IsNpadStyleIndexSupported(Core::HID::NpadStyleIndex style_index) const;
+
+    void SetLrAssignmentMode(bool is_enabled);
+    bool GetLrAssignmentMode() const;
+
+    void SetAssigningSingleOnSlSrPress(bool is_enabled);
+    bool GetAssigningSingleOnSlSrPress() const;
+
+    void SetHomeProtectionEnabled(bool is_enabled, Core::HID::NpadIdType npad_id);
+    bool GetHomeProtectionEnabled(Core::HID::NpadIdType npad_id) const;
+
+    void SetCaptureButtonAssignment(Core::HID::NpadButton button_assignment,
+                                    std::size_t style_index);
+    Core::HID::NpadButton GetCaptureButtonAssignment(std::size_t style_index) const;
+    std::size_t GetNpadCaptureButtonAssignmentList(std::span<Core::HID::NpadButton> out_list) const;
+
+private:
+    NpadStatus status{};
+    Core::HID::NpadStyleSet supported_npad_style_set{Core::HID::NpadStyleSet::All};
+    NpadJoyHoldType npad_hold_type{NpadJoyHoldType::Vertical};
+    NpadHandheldActivationMode handheld_activation_mode{};
+    std::array<Core::HID::NpadIdType, MaxSupportedNpadIdTypes> supported_npad_id_types{};
+    std::array<Core::HID::NpadButton, StyleIndexCount> npad_button_assignment{};
+    std::size_t supported_npad_id_types_count{};
+    std::array<bool, MaxSupportedNpadIdTypes> is_unintended_home_button_input_protection{};
+};
+
+} // namespace Service::HID

src/hid_core/resources/npad/npad_resource.cpp

@@ -0,0 +1,685 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_readable_event.h"
+#include "hid_core/hid_result.h"
+#include "hid_core/hid_util.h"
+#include "hid_core/resources/npad/npad_resource.h"
+#include "hid_core/resources/npad/npad_types.h"
+
+namespace Service::HID {
+
+NPadResource::NPadResource(KernelHelpers::ServiceContext& context) : service_context{context} {}
+
+NPadResource::~NPadResource() = default;
+
+Result NPadResource::RegisterAppletResourceUserId(u64 aruid) {
+    const auto aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index < AruidIndexMax) {
+        return ResultAruidAlreadyRegistered;
+    }
+
+    std::size_t data_index = AruidIndexMax;
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (!state[i].flag.is_initialized) {
+            data_index = i;
+            break;
+        }
+    }
+
+    if (data_index == AruidIndexMax) {
+        return ResultAruidNoAvailableEntries;
+    }
+
+    auto& aruid_data = state[data_index];
+
+    aruid_data.aruid = aruid;
+    aruid_data.flag.is_initialized.Assign(true);
+
+    data_index = AruidIndexMax;
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (registration_list.flag[i] == RegistrationStatus::Initialized) {
+            if (registration_list.aruid[i] != aruid) {
+                continue;
+            }
+            data_index = i;
+            break;
+        }
+        if (registration_list.flag[i] == RegistrationStatus::None) {
+            data_index = i;
+            break;
+        }
+    }
+
+    if (data_index == AruidIndexMax) {
+        return ResultSuccess;
+    }
+
+    registration_list.flag[data_index] = RegistrationStatus::Initialized;
+    registration_list.aruid[data_index] = aruid;
+
+    return ResultSuccess;
+}
+
+void NPadResource::UnregisterAppletResourceUserId(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+
+    DestroyStyleSetUpdateEvents(aruid);
+    if (aruid_index < AruidIndexMax) {
+        state[aruid_index] = {};
+        registration_list.flag[aruid_index] = RegistrationStatus::PendingDelete;
+    }
+}
+
+void NPadResource::DestroyStyleSetUpdateEvents(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+
+    if (aruid_index >= AruidIndexMax) {
+        return;
+    }
+
+    for (auto& controller_state : state[aruid_index].controller_state) {
+        if (!controller_state.is_styleset_update_event_initialized) {
+            continue;
+        }
+        service_context.CloseEvent(controller_state.style_set_update_event);
+        controller_state.is_styleset_update_event_initialized = false;
+    }
+}
+
+Result NPadResource::Activate(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+
+    if (aruid_index >= AruidIndexMax) {
+        return ResultSuccess;
+    }
+
+    auto& state_data = state[aruid_index];
+
+    if (state_data.flag.is_assigned) {
+        return ResultAruidAlreadyRegistered;
+    }
+
+    state_data.flag.is_assigned.Assign(true);
+    state_data.data.ClearNpadSystemCommonPolicy();
+    state_data.npad_revision = NpadRevision::Revision0;
+    state_data.button_config = {};
+
+    if (active_data_aruid == aruid) {
+        default_hold_type = active_data.GetNpadJoyHoldType();
+        active_data.SetNpadJoyHoldType(default_hold_type);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::Activate() {
+    if (ref_counter == std::numeric_limits<s32>::max() - 1) {
+        return ResultAppletResourceOverflow;
+    }
+    if (ref_counter == 0) {
+        RegisterAppletResourceUserId(SystemAruid);
+        Activate(SystemAruid);
+    }
+    ref_counter++;
+    return ResultSuccess;
+}
+
+Result NPadResource::Deactivate() {
+    if (ref_counter == 0) {
+        return ResultAppletResourceNotInitialized;
+    }
+
+    UnregisterAppletResourceUserId(SystemAruid);
+    ref_counter--;
+    return ResultSuccess;
+}
+
+NPadData* NPadResource::GetActiveData() {
+    return &active_data;
+}
+
+u64 NPadResource::GetActiveDataAruid() {
+    return active_data_aruid;
+}
+
+void NPadResource::SetAppletResourceUserId(u64 aruid) {
+    if (active_data_aruid == aruid) {
+        return;
+    }
+
+    active_data_aruid = aruid;
+    default_hold_type = active_data.GetNpadJoyHoldType();
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+
+    if (aruid_index >= AruidIndexMax) {
+        return;
+    }
+
+    auto& data = state[aruid_index].data;
+    if (data.GetNpadStatus().is_policy || data.GetNpadStatus().is_full_policy) {
+        data.SetNpadJoyHoldType(default_hold_type);
+    }
+
+    active_data = data;
+    if (data.GetNpadStatus().is_hold_type_set) {
+        active_data.SetNpadJoyHoldType(default_hold_type);
+    }
+}
+
+std::size_t NPadResource::GetIndexFromAruid(u64 aruid) const {
+    for (std::size_t i = 0; i < AruidIndexMax; i++) {
+        if (registration_list.flag[i] == RegistrationStatus::Initialized &&
+            registration_list.aruid[i] == aruid) {
+            return i;
+        }
+    }
+    return AruidIndexMax;
+}
+
+Result NPadResource::ApplyNpadSystemCommonPolicy(u64 aruid, bool is_full_policy) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    data.SetNpadSystemCommonPolicy(is_full_policy);
+    data.SetNpadJoyHoldType(default_hold_type);
+    if (active_data_aruid == aruid) {
+        active_data.SetNpadSystemCommonPolicy(is_full_policy);
+        active_data.SetNpadJoyHoldType(default_hold_type);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::ClearNpadSystemCommonPolicy(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.ClearNpadSystemCommonPolicy();
+    if (active_data_aruid == aruid) {
+        active_data.ClearNpadSystemCommonPolicy();
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::SetSupportedNpadStyleSet(u64 aruid, Core::HID::NpadStyleSet style_set) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    data.SetSupportedNpadStyleSet(style_set);
+    if (active_data_aruid == aruid) {
+        active_data.SetSupportedNpadStyleSet(style_set);
+        active_data.SetNpadJoyHoldType(data.GetNpadJoyHoldType());
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::GetSupportedNpadStyleSet(Core::HID::NpadStyleSet& out_style_Set,
+                                              u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    if (!data.GetNpadStatus().is_supported_styleset_set) {
+        return ResultUndefinedStyleset;
+    }
+
+    out_style_Set = data.GetSupportedNpadStyleSet();
+    return ResultSuccess;
+}
+
+Result NPadResource::GetMaskedSupportedNpadStyleSet(Core::HID::NpadStyleSet& out_style_set,
+                                                    u64 aruid) const {
+    if (aruid == SystemAruid) {
+        out_style_set = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+                        Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+                        Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Palma |
+                        Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+        return ResultSuccess;
+    }
+
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    if (!data.GetNpadStatus().is_supported_styleset_set) {
+        return ResultUndefinedStyleset;
+    }
+
+    Core::HID::NpadStyleSet mask{Core::HID::NpadStyleSet::None};
+    out_style_set = data.GetSupportedNpadStyleSet();
+
+    switch (state[aruid_index].npad_revision) {
+    case NpadRevision::Revision1:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::SystemExt |
+               Core::HID::NpadStyleSet::System;
+        break;
+    case NpadRevision::Revision2:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::Lark |
+               Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+        break;
+    case NpadRevision::Revision3:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::Lark |
+               Core::HID::NpadStyleSet::HandheldLark | Core::HID::NpadStyleSet::Lucia |
+               Core::HID::NpadStyleSet::Lagoon | Core::HID::NpadStyleSet::Lager |
+               Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+        break;
+    default:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::SystemExt |
+               Core::HID::NpadStyleSet::System;
+        break;
+    }
+
+    out_style_set = out_style_set & mask;
+    return ResultSuccess;
+}
+
+Result NPadResource::GetAvailableStyleset(Core::HID::NpadStyleSet& out_style_set, u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    if (!data.GetNpadStatus().is_supported_styleset_set) {
+        return ResultUndefinedStyleset;
+    }
+
+    Core::HID::NpadStyleSet mask{Core::HID::NpadStyleSet::None};
+    out_style_set = data.GetSupportedNpadStyleSet();
+
+    switch (state[aruid_index].npad_revision) {
+    case NpadRevision::Revision1:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::SystemExt |
+               Core::HID::NpadStyleSet::System;
+        break;
+    case NpadRevision::Revision2:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::Lark |
+               Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+        break;
+    case NpadRevision::Revision3:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::Gc |
+               Core::HID::NpadStyleSet::Palma | Core::HID::NpadStyleSet::Lark |
+               Core::HID::NpadStyleSet::HandheldLark | Core::HID::NpadStyleSet::Lucia |
+               Core::HID::NpadStyleSet::Lagoon | Core::HID::NpadStyleSet::Lager |
+               Core::HID::NpadStyleSet::SystemExt | Core::HID::NpadStyleSet::System;
+        break;
+    default:
+        mask = Core::HID::NpadStyleSet::Fullkey | Core::HID::NpadStyleSet::Handheld |
+               Core::HID::NpadStyleSet::JoyDual | Core::HID::NpadStyleSet::JoyLeft |
+               Core::HID::NpadStyleSet::JoyRight | Core::HID::NpadStyleSet::SystemExt |
+               Core::HID::NpadStyleSet::System;
+        break;
+    }
+
+    out_style_set = out_style_set & mask;
+    return ResultSuccess;
+}
+
+NpadRevision NPadResource::GetNpadRevision(u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return NpadRevision::Revision0;
+    }
+
+    return state[aruid_index].npad_revision;
+}
+
+Result NPadResource::IsSupportedNpadStyleSet(bool& is_set, u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    is_set = state[aruid_index].data.GetNpadStatus().is_supported_styleset_set.Value() != 0;
+    return ResultSuccess;
+}
+
+Result NPadResource::SetNpadJoyHoldType(u64 aruid, NpadJoyHoldType hold_type) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetNpadJoyHoldType(hold_type);
+    if (active_data_aruid == aruid) {
+        active_data.SetNpadJoyHoldType(hold_type);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::GetNpadJoyHoldType(NpadJoyHoldType& hold_type, u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& data = state[aruid_index].data;
+    if (data.GetNpadStatus().is_policy || data.GetNpadStatus().is_full_policy) {
+        hold_type = active_data.GetNpadJoyHoldType();
+        return ResultSuccess;
+    }
+    hold_type = data.GetNpadJoyHoldType();
+    return ResultSuccess;
+}
+
+Result NPadResource::SetNpadHandheldActivationMode(u64 aruid,
+                                                   NpadHandheldActivationMode activation_mode) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetHandheldActivationMode(activation_mode);
+    if (active_data_aruid == aruid) {
+        active_data.SetHandheldActivationMode(activation_mode);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::GetNpadHandheldActivationMode(NpadHandheldActivationMode& activation_mode,
+                                                   u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    activation_mode = state[aruid_index].data.GetHandheldActivationMode();
+    return ResultSuccess;
+}
+
+Result NPadResource::SetSupportedNpadIdType(
+    u64 aruid, std::span<const Core::HID::NpadIdType> supported_npad_list) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+    if (supported_npad_list.size() > MaxSupportedNpadIdTypes) {
+        return ResultInvalidArraySize;
+    }
+
+    Result result = state[aruid_index].data.SetSupportedNpadIdType(supported_npad_list);
+    if (result.IsSuccess() && active_data_aruid == aruid) {
+        result = active_data.SetSupportedNpadIdType(supported_npad_list);
+    }
+
+    return result;
+}
+
+bool NPadResource::IsControllerSupported(u64 aruid, Core::HID::NpadStyleIndex style_index) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return false;
+    }
+    return state[aruid_index].data.IsNpadStyleIndexSupported(style_index);
+}
+
+Result NPadResource::SetLrAssignmentMode(u64 aruid, bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetLrAssignmentMode(is_enabled);
+    if (active_data_aruid == aruid) {
+        active_data.SetLrAssignmentMode(is_enabled);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::GetLrAssignmentMode(bool& is_enabled, u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    is_enabled = state[aruid_index].data.GetLrAssignmentMode();
+    return ResultSuccess;
+}
+
+Result NPadResource::SetAssigningSingleOnSlSrPress(u64 aruid, bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetAssigningSingleOnSlSrPress(is_enabled);
+    if (active_data_aruid == aruid) {
+        active_data.SetAssigningSingleOnSlSrPress(is_enabled);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::IsAssigningSingleOnSlSrPressEnabled(bool& is_enabled, u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    is_enabled = state[aruid_index].data.GetAssigningSingleOnSlSrPress();
+    return ResultSuccess;
+}
+
+Result NPadResource::AcquireNpadStyleSetUpdateEventHandle(u64 aruid,
+                                                          Kernel::KReadableEvent** out_event,
+                                                          Core::HID::NpadIdType npad_id) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    auto& controller_state = state[aruid_index].controller_state[NpadIdTypeToIndex(npad_id)];
+    if (!controller_state.is_styleset_update_event_initialized) {
+        // Auto clear = true
+        controller_state.style_set_update_event =
+            service_context.CreateEvent("NpadResource:StylesetUpdateEvent");
+
+        // Assume creating the event succeeds otherwise crash the system here
+        controller_state.is_styleset_update_event_initialized = true;
+    }
+
+    *out_event = &controller_state.style_set_update_event->GetReadableEvent();
+
+    if (controller_state.is_styleset_update_event_initialized) {
+        controller_state.style_set_update_event->Signal();
+    }
+
+    return ResultSuccess;
+}
+
+Result NPadResource::SignalStyleSetUpdateEvent(u64 aruid, Core::HID::NpadIdType npad_id) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+    auto controller = state[aruid_index].controller_state[NpadIdTypeToIndex(npad_id)];
+    if (controller.is_styleset_update_event_initialized) {
+        controller.style_set_update_event->Signal();
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::GetHomeProtectionEnabled(bool& is_enabled, u64 aruid,
+                                              Core::HID::NpadIdType npad_id) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    is_enabled = state[aruid_index].data.GetHomeProtectionEnabled(npad_id);
+    return ResultSuccess;
+}
+
+Result NPadResource::SetHomeProtectionEnabled(u64 aruid, Core::HID::NpadIdType npad_id,
+                                              bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetHomeProtectionEnabled(is_enabled, npad_id);
+    if (active_data_aruid == aruid) {
+        active_data.SetHomeProtectionEnabled(is_enabled, npad_id);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::SetNpadAnalogStickUseCenterClamp(u64 aruid, bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetNpadAnalogStickUseCenterClamp(is_enabled);
+    if (active_data_aruid == aruid) {
+        active_data.SetNpadAnalogStickUseCenterClamp(is_enabled);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::SetButtonConfig(u64 aruid, Core::HID::NpadIdType npad_id, std::size_t index,
+                                     Core::HID::NpadButton button_config) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].button_config[NpadIdTypeToIndex(npad_id)][index] = button_config;
+    return ResultSuccess;
+}
+
+Core::HID::NpadButton NPadResource::GetButtonConfig(u64 aruid, Core::HID::NpadIdType npad_id,
+                                                    std::size_t index, Core::HID::NpadButton mask,
+                                                    bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return Core::HID::NpadButton::None;
+    }
+
+    auto& button_config = state[aruid_index].button_config[NpadIdTypeToIndex(npad_id)][index];
+    if (is_enabled) {
+        button_config = button_config | mask;
+        return button_config;
+    }
+
+    button_config = Core::HID::NpadButton::None;
+    return Core::HID::NpadButton::None;
+}
+
+void NPadResource::ResetButtonConfig() {
+    for (auto& selected_state : state) {
+        selected_state.button_config = {};
+    }
+}
+
+Result NPadResource::SetNpadCaptureButtonAssignment(u64 aruid,
+                                                    Core::HID::NpadStyleSet npad_style_set,
+                                                    Core::HID::NpadButton button_assignment) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    // Must be a power of two
+    const auto raw_styleset = static_cast<u32>(npad_style_set);
+    if (raw_styleset == 0 && (raw_styleset & (raw_styleset - 1)) != 0) {
+        return ResultMultipleStyleSetSelected;
+    }
+
+    std::size_t style_index{};
+    Core::HID::NpadStyleSet style_selected{};
+    for (style_index = 0; style_index < StyleIndexCount; ++style_index) {
+        style_selected = GetStylesetByIndex(style_index);
+        if (npad_style_set == style_selected) {
+            break;
+        }
+    }
+
+    if (style_selected == Core::HID::NpadStyleSet::None) {
+        return ResultMultipleStyleSetSelected;
+    }
+
+    state[aruid_index].data.SetCaptureButtonAssignment(button_assignment, style_index);
+    if (active_data_aruid == aruid) {
+        active_data.SetCaptureButtonAssignment(button_assignment, style_index);
+    }
+    return ResultSuccess;
+}
+
+Result NPadResource::ClearNpadCaptureButtonAssignment(u64 aruid) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    for (std::size_t i = 0; i < StyleIndexCount; i++) {
+        state[aruid_index].data.SetCaptureButtonAssignment(Core::HID::NpadButton::None, i);
+        if (active_data_aruid == aruid) {
+            active_data.SetCaptureButtonAssignment(Core::HID::NpadButton::None, i);
+        }
+    }
+    return ResultSuccess;
+}
+
+std::size_t NPadResource::GetNpadCaptureButtonAssignment(std::span<Core::HID::NpadButton> out_list,
+                                                         u64 aruid) const {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return 0;
+    }
+    return state[aruid_index].data.GetNpadCaptureButtonAssignmentList(out_list);
+}
+
+void NPadResource::SetNpadRevision(u64 aruid, NpadRevision revision) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return;
+    }
+
+    state[aruid_index].npad_revision = revision;
+}
+
+Result NPadResource::SetNpadSystemExtStateEnabled(u64 aruid, bool is_enabled) {
+    const u64 aruid_index = GetIndexFromAruid(aruid);
+    if (aruid_index >= AruidIndexMax) {
+        return ResultNpadNotConnected;
+    }
+
+    state[aruid_index].data.SetNpadAnalogStickUseCenterClamp(is_enabled);
+    if (active_data_aruid == aruid) {
+        active_data.SetNpadAnalogStickUseCenterClamp(is_enabled);
+    }
+    return ResultSuccess;
+}
+
+} // namespace Service::HID

src/hid_core/resources/npad/npad_resource.h

@@ -0,0 +1,132 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include <mutex>
+#include <span>
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/npad/npad_data.h"
+#include "hid_core/resources/npad/npad_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KReadableEvent;
+}
+
+namespace Service::HID {
+struct DataStatusFlag;
+
+struct NpadControllerState {
+    bool is_styleset_update_event_initialized{};
+    INSERT_PADDING_BYTES(0x7);
+    Kernel::KEvent* style_set_update_event{nullptr};
+    INSERT_PADDING_BYTES(0x27);
+};
+
+struct NpadState {
+    DataStatusFlag flag{};
+    u64 aruid{};
+    NPadData data{};
+    std::array<std::array<Core::HID::NpadButton, StyleIndexCount>, MaxSupportedNpadIdTypes>
+        button_config;
+    std::array<NpadControllerState, MaxSupportedNpadIdTypes> controller_state;
+    NpadRevision npad_revision;
+};
+
+/// Handles Npad request from HID interfaces
+class NPadResource final {
+public:
+    explicit NPadResource(KernelHelpers::ServiceContext& context);
+    ~NPadResource();
+
+    NPadData* GetActiveData();
+    u64 GetActiveDataAruid();
+
+    Result RegisterAppletResourceUserId(u64 aruid);
+    void UnregisterAppletResourceUserId(u64 aruid);
+
+    void DestroyStyleSetUpdateEvents(u64 aruid);
+
+    Result Activate(u64 aruid);
+    Result Activate();
+    Result Deactivate();
+
+    void SetAppletResourceUserId(u64 aruid);
+    std::size_t GetIndexFromAruid(u64 aruid) const;
+
+    Result ApplyNpadSystemCommonPolicy(u64 aruid, bool is_full_policy);
+    Result ClearNpadSystemCommonPolicy(u64 aruid);
+
+    Result SetSupportedNpadStyleSet(u64 aruid, Core::HID::NpadStyleSet style_set);
+    Result GetSupportedNpadStyleSet(Core::HID::NpadStyleSet& out_style_Set, u64 aruid) const;
+    Result GetMaskedSupportedNpadStyleSet(Core::HID::NpadStyleSet& out_style_set, u64 aruid) const;
+    Result GetAvailableStyleset(Core::HID::NpadStyleSet& out_style_set, u64 aruid) const;
+
+    NpadRevision GetNpadRevision(u64 aruid) const;
+    void SetNpadRevision(u64 aruid, NpadRevision revision);
+
+    Result IsSupportedNpadStyleSet(bool& is_set, u64 aruid);
+
+    Result SetNpadJoyHoldType(u64 aruid, NpadJoyHoldType hold_type);
+    Result GetNpadJoyHoldType(NpadJoyHoldType& hold_type, u64 aruid) const;
+
+    Result SetNpadHandheldActivationMode(u64 aruid, NpadHandheldActivationMode activation_mode);
+    Result GetNpadHandheldActivationMode(NpadHandheldActivationMode& activation_mode,
+                                         u64 aruid) const;
+
+    Result SetSupportedNpadIdType(u64 aruid,
+                                  std::span<const Core::HID::NpadIdType> supported_npad_list);
+    bool IsControllerSupported(u64 aruid, Core::HID::NpadStyleIndex style_index) const;
+
+    Result SetLrAssignmentMode(u64 aruid, bool is_enabled);
+    Result GetLrAssignmentMode(bool& is_enabled, u64 aruid) const;
+
+    Result SetAssigningSingleOnSlSrPress(u64 aruid, bool is_enabled);
+    Result IsAssigningSingleOnSlSrPressEnabled(bool& is_enabled, u64 aruid) const;
+
+    Result AcquireNpadStyleSetUpdateEventHandle(u64 aruid, Kernel::KReadableEvent** out_event,
+                                                Core::HID::NpadIdType npad_id);
+    Result SignalStyleSetUpdateEvent(u64 aruid, Core::HID::NpadIdType npad_id);
+
+    Result GetHomeProtectionEnabled(bool& is_enabled, u64 aruid,
+                                    Core::HID::NpadIdType npad_id) const;
+    Result SetHomeProtectionEnabled(u64 aruid, Core::HID::NpadIdType npad_id, bool is_enabled);
+
+    Result SetNpadAnalogStickUseCenterClamp(u64 aruid, bool is_enabled);
+
+    Result SetButtonConfig(u64 aruid, Core::HID::NpadIdType npad_id, std::size_t index,
+                           Core::HID::NpadButton button_config);
+    Core::HID::NpadButton GetButtonConfig(u64 aruid, Core::HID::NpadIdType npad_id,
+                                          std::size_t index, Core::HID::NpadButton mask,
+                                          bool is_enabled);
+    void ResetButtonConfig();
+
+    Result SetNpadCaptureButtonAssignment(u64 aruid, Core::HID::NpadStyleSet npad_style_set,
+                                          Core::HID::NpadButton button_assignment);
+    Result ClearNpadCaptureButtonAssignment(u64 aruid);
+    std::size_t GetNpadCaptureButtonAssignment(std::span<Core::HID::NpadButton> out_list,
+                                               u64 aruid) const;
+
+    Result SetNpadSystemExtStateEnabled(u64 aruid, bool is_enabled);
+
+private:
+    NPadData active_data{};
+    AruidRegisterList registration_list{};
+    std::array<NpadState, AruidIndexMax> state{};
+    u64 active_data_aruid{};
+    NpadJoyHoldType default_hold_type{};
+    s32 ref_counter{};
+
+    KernelHelpers::ServiceContext& service_context;
+};
+} // namespace Service::HID

src/hid_core/resources/npad/npad_types.h

@@ -0,0 +1,255 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+static constexpr std::size_t MaxSupportedNpadIdTypes = 10;
+static constexpr std::size_t StyleIndexCount = 7;
+
+// This is nn::hid::NpadJoyHoldType
+enum class NpadJoyHoldType : u64 {
+    Vertical = 0,
+    Horizontal = 1,
+};
+
+// This is nn::hid::NpadJoyAssignmentMode
+enum class NpadJoyAssignmentMode : u32 {
+    Dual = 0,
+    Single = 1,
+};
+
+// This is nn::hid::NpadJoyDeviceType
+enum class NpadJoyDeviceType : s64 {
+    Left = 0,
+    Right = 1,
+};
+
+// This is nn::hid::NpadHandheldActivationMode
+enum class NpadHandheldActivationMode : u64 {
+    Dual = 0,
+    Single = 1,
+    None = 2,
+    MaxActivationMode = 3,
+};
+
+// This is nn::hid::system::AppletFooterUiAttributesSet
+struct AppletFooterUiAttributes {
+    INSERT_PADDING_BYTES(0x4);
+};
+
+// This is nn::hid::system::AppletFooterUiType
+enum class AppletFooterUiType : u8 {
+    None = 0,
+    HandheldNone = 1,
+    HandheldJoyConLeftOnly = 2,
+    HandheldJoyConRightOnly = 3,
+    HandheldJoyConLeftJoyConRight = 4,
+    JoyDual = 5,
+    JoyDualLeftOnly = 6,
+    JoyDualRightOnly = 7,
+    JoyLeftHorizontal = 8,
+    JoyLeftVertical = 9,
+    JoyRightHorizontal = 10,
+    JoyRightVertical = 11,
+    SwitchProController = 12,
+    CompatibleProController = 13,
+    CompatibleJoyCon = 14,
+    LarkHvc1 = 15,
+    LarkHvc2 = 16,
+    LarkNesLeft = 17,
+    LarkNesRight = 18,
+    Lucia = 19,
+    Verification = 20,
+    Lagon = 21,
+};
+
+using AppletFooterUiVariant = u8;
+
+// This is "nn::hid::system::AppletDetailedUiType".
+struct AppletDetailedUiType {
+    AppletFooterUiVariant ui_variant;
+    INSERT_PADDING_BYTES(0x2);
+    AppletFooterUiType footer;
+};
+static_assert(sizeof(AppletDetailedUiType) == 0x4, "AppletDetailedUiType is an invalid size");
+// This is nn::hid::NpadCommunicationMode
+enum class NpadCommunicationMode : u64 {
+    Mode_5ms = 0,
+    Mode_10ms = 1,
+    Mode_15ms = 2,
+    Default = 3,
+};
+
+enum class NpadRevision : u32 {
+    Revision0 = 0,
+    Revision1 = 1,
+    Revision2 = 2,
+    Revision3 = 3,
+};
+
+// This is nn::hid::detail::ColorAttribute
+enum class ColorAttribute : u32 {
+    Ok = 0,
+    ReadError = 1,
+    NoController = 2,
+};
+static_assert(sizeof(ColorAttribute) == 4, "ColorAttribute is an invalid size");
+
+// This is nn::hid::detail::NpadFullKeyColorState
+struct NpadFullKeyColorState {
+    ColorAttribute attribute{ColorAttribute::NoController};
+    Core::HID::NpadControllerColor fullkey{};
+};
+static_assert(sizeof(NpadFullKeyColorState) == 0xC, "NpadFullKeyColorState is an invalid size");
+
+// This is nn::hid::detail::NpadJoyColorState
+struct NpadJoyColorState {
+    ColorAttribute attribute{ColorAttribute::NoController};
+    Core::HID::NpadControllerColor left{};
+    Core::HID::NpadControllerColor right{};
+};
+static_assert(sizeof(NpadJoyColorState) == 0x14, "NpadJoyColorState is an invalid size");
+
+// This is nn::hid::NpadAttribute
+struct NpadAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> is_connected;
+        BitField<1, 1, u32> is_wired;
+        BitField<2, 1, u32> is_left_connected;
+        BitField<3, 1, u32> is_left_wired;
+        BitField<4, 1, u32> is_right_connected;
+        BitField<5, 1, u32> is_right_wired;
+    };
+};
+static_assert(sizeof(NpadAttribute) == 4, "NpadAttribute is an invalid size");
+
+// This is nn::hid::NpadFullKeyState
+// This is nn::hid::NpadHandheldState
+// This is nn::hid::NpadJoyDualState
+// This is nn::hid::NpadJoyLeftState
+// This is nn::hid::NpadJoyRightState
+// This is nn::hid::NpadPalmaState
+// This is nn::hid::NpadSystemExtState
+struct NPadGenericState {
+    s64_le sampling_number{};
+    Core::HID::NpadButtonState npad_buttons{};
+    Core::HID::AnalogStickState l_stick{};
+    Core::HID::AnalogStickState r_stick{};
+    NpadAttribute connection_status{};
+    INSERT_PADDING_BYTES(4); // Reserved
+};
+static_assert(sizeof(NPadGenericState) == 0x28, "NPadGenericState is an invalid size");
+
+// This is nn::hid::server::NpadGcTriggerState
+struct NpadGcTriggerState {
+    s64 sampling_number{};
+    s32 l_analog{};
+    s32 r_analog{};
+};
+static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
+
+// This is nn::hid::NpadSystemProperties
+struct NPadSystemProperties {
+    union {
+        s64 raw{};
+        BitField<0, 1, s64> is_charging_joy_dual;
+        BitField<1, 1, s64> is_charging_joy_left;
+        BitField<2, 1, s64> is_charging_joy_right;
+        BitField<3, 1, s64> is_powered_joy_dual;
+        BitField<4, 1, s64> is_powered_joy_left;
+        BitField<5, 1, s64> is_powered_joy_right;
+        BitField<9, 1, s64> is_system_unsupported_button;
+        BitField<10, 1, s64> is_system_ext_unsupported_button;
+        BitField<11, 1, s64> is_vertical;
+        BitField<12, 1, s64> is_horizontal;
+        BitField<13, 1, s64> use_plus;
+        BitField<14, 1, s64> use_minus;
+        BitField<15, 1, s64> use_directional_buttons;
+    };
+};
+static_assert(sizeof(NPadSystemProperties) == 0x8, "NPadSystemProperties is an invalid size");
+
+// This is nn::hid::NpadSystemButtonProperties
+struct NpadSystemButtonProperties {
+    union {
+        s32 raw{};
+        BitField<0, 1, s32> is_home_button_protection_enabled;
+    };
+};
+static_assert(sizeof(NpadSystemButtonProperties) == 0x4, "NPadButtonProperties is an invalid size");
+
+// This is nn::hid::system::DeviceType
+struct DeviceType {
+    union {
+        u32 raw{};
+        BitField<0, 1, s32> fullkey;
+        BitField<1, 1, s32> debug_pad;
+        BitField<2, 1, s32> handheld_left;
+        BitField<3, 1, s32> handheld_right;
+        BitField<4, 1, s32> joycon_left;
+        BitField<5, 1, s32> joycon_right;
+        BitField<6, 1, s32> palma;
+        BitField<7, 1, s32> lark_hvc_left;
+        BitField<8, 1, s32> lark_hvc_right;
+        BitField<9, 1, s32> lark_nes_left;
+        BitField<10, 1, s32> lark_nes_right;
+        BitField<11, 1, s32> handheld_lark_hvc_left;
+        BitField<12, 1, s32> handheld_lark_hvc_right;
+        BitField<13, 1, s32> handheld_lark_nes_left;
+        BitField<14, 1, s32> handheld_lark_nes_right;
+        BitField<15, 1, s32> lucia;
+        BitField<16, 1, s32> lagon;
+        BitField<17, 1, s32> lager;
+        BitField<31, 1, s32> system;
+    };
+};
+
+// This is nn::hid::detail::NfcXcdDeviceHandleStateImpl
+struct NfcXcdDeviceHandleStateImpl {
+    u64 handle{};
+    bool is_available{};
+    bool is_activated{};
+    INSERT_PADDING_BYTES(0x6); // Reserved
+    u64 sampling_number{};
+};
+static_assert(sizeof(NfcXcdDeviceHandleStateImpl) == 0x18,
+              "NfcXcdDeviceHandleStateImpl is an invalid size");
+
+// This is nn::hid::NpadLarkType
+enum class NpadLarkType : u32 {
+    Invalid,
+    H1,
+    H2,
+    NL,
+    NR,
+};
+
+// This is nn::hid::NpadLuciaType
+enum class NpadLuciaType : u32 {
+    Invalid,
+    J,
+    E,
+    U,
+};
+
+// This is nn::hid::NpadLagonType
+enum class NpadLagonType : u32 {
+    Invalid,
+};
+
+// This is nn::hid::NpadLagerType
+enum class NpadLagerType : u32 {
+    Invalid,
+    J,
+    E,
+    U,
+};
+
+} // namespace Service::HID

src/hid_core/resources/palma/palma.cpp

@@ -0,0 +1,225 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/service/kernel_helpers.h"
+#include "hid_core/frontend/emulated_controller.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/palma/palma.h"
+
+namespace Service::HID {
+
+Palma::Palma(Core::HID::HIDCore& hid_core_, KernelHelpers::ServiceContext& service_context_)
+    : ControllerBase{hid_core_}, service_context{service_context_} {
+    controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Other);
+    operation_complete_event = service_context.CreateEvent("hid:PalmaOperationCompleteEvent");
+}
+
+Palma::~Palma() {
+    service_context.CloseEvent(operation_complete_event);
+};
+
+void Palma::OnInit() {}
+
+void Palma::OnRelease() {}
+
+void Palma::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!IsControllerActivated()) {
+        return;
+    }
+}
+
+Result Palma::GetPalmaConnectionHandle(Core::HID::NpadIdType npad_id,
+                                       PalmaConnectionHandle& handle) {
+    active_handle.npad_id = npad_id;
+    handle = active_handle;
+    return ResultSuccess;
+}
+
+Result Palma::InitializePalma(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    Activate();
+    return ResultSuccess;
+}
+
+Kernel::KReadableEvent& Palma::AcquirePalmaOperationCompleteEvent(
+    const PalmaConnectionHandle& handle) const {
+    if (handle.npad_id != active_handle.npad_id) {
+        LOG_ERROR(Service_HID, "Invalid npad id {}", handle.npad_id);
+    }
+    return operation_complete_event->GetReadableEvent();
+}
+
+Result Palma::GetPalmaOperationInfo(const PalmaConnectionHandle& handle,
+                                    PalmaOperationType& operation_type,
+                                    PalmaOperationData& data) const {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation_type = operation.operation;
+    data = operation.data;
+    return ResultSuccess;
+}
+
+Result Palma::PlayPalmaActivity(const PalmaConnectionHandle& handle, u64 palma_activity) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::PlayActivity;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::SetPalmaFrModeType(const PalmaConnectionHandle& handle, PalmaFrModeType fr_mode_) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    fr_mode = fr_mode_;
+    return ResultSuccess;
+}
+
+Result Palma::ReadPalmaStep(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::ReadStep;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::EnablePalmaStep(const PalmaConnectionHandle& handle, bool is_enabled) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    return ResultSuccess;
+}
+
+Result Palma::ResetPalmaStep(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    return ResultSuccess;
+}
+
+void Palma::ReadPalmaApplicationSection() {}
+
+void Palma::WritePalmaApplicationSection() {}
+
+Result Palma::ReadPalmaUniqueCode(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::ReadUniqueCode;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::SetPalmaUniqueCodeInvalid(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::SetUniqueCodeInvalid;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+void Palma::WritePalmaActivityEntry() {}
+
+Result Palma::WritePalmaRgbLedPatternEntry(const PalmaConnectionHandle& handle, u64 unknown) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::WriteRgbLedPatternEntry;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::WritePalmaWaveEntry(const PalmaConnectionHandle& handle, PalmaWaveSet wave,
+                                  Common::ProcessAddress t_mem, u64 size) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::WriteWaveEntry;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::SetPalmaDataBaseIdentificationVersion(const PalmaConnectionHandle& handle,
+                                                    s32 database_id_version_) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    database_id_version = database_id_version_;
+    operation.operation = PalmaOperationType::ReadDataBaseIdentificationVersion;
+    operation.result = PalmaResultSuccess;
+    operation.data[0] = {};
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+Result Palma::GetPalmaDataBaseIdentificationVersion(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    operation.operation = PalmaOperationType::ReadDataBaseIdentificationVersion;
+    operation.result = PalmaResultSuccess;
+    operation.data = {};
+    operation.data[0] = static_cast<u8>(database_id_version);
+    operation_complete_event->Signal();
+    return ResultSuccess;
+}
+
+void Palma::SuspendPalmaFeature() {}
+
+Result Palma::GetPalmaOperationResult(const PalmaConnectionHandle& handle) const {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    return operation.result;
+}
+void Palma::ReadPalmaPlayLog() {}
+
+void Palma::ResetPalmaPlayLog() {}
+
+void Palma::SetIsPalmaAllConnectable(bool is_all_connectable) {
+    // If true controllers are able to be paired
+    is_connectable = is_all_connectable;
+}
+
+void Palma::SetIsPalmaPairedConnectable() {}
+
+Result Palma::PairPalma(const PalmaConnectionHandle& handle) {
+    if (handle.npad_id != active_handle.npad_id) {
+        return InvalidPalmaHandle;
+    }
+    // TODO: Do something
+    return ResultSuccess;
+}
+
+void Palma::SetPalmaBoostMode(bool boost_mode) {}
+
+void Palma::CancelWritePalmaWaveEntry() {}
+
+void Palma::EnablePalmaBoostMode() {}
+
+void Palma::GetPalmaBluetoothAddress() {}
+
+void Palma::SetDisallowedPalmaConnection() {}
+
+} // namespace Service::HID

src/hid_core/resources/palma/palma.h

@@ -0,0 +1,163 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+#include "common/common_funcs.h"
+#include "common/typed_address.h"
+#include "hid_core/hid_result.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+
+namespace Kernel {
+class KEvent;
+class KReadableEvent;
+} // namespace Kernel
+
+namespace Service::KernelHelpers {
+class ServiceContext;
+}
+
+namespace Core::HID {
+class EmulatedController;
+} // namespace Core::HID
+
+namespace Service::HID {
+class Palma final : public ControllerBase {
+public:
+    using PalmaOperationData = std::array<u8, 0x140>;
+
+    // This is nn::hid::PalmaOperationType
+    enum class PalmaOperationType {
+        PlayActivity,
+        SetFrModeType,
+        ReadStep,
+        EnableStep,
+        ResetStep,
+        ReadApplicationSection,
+        WriteApplicationSection,
+        ReadUniqueCode,
+        SetUniqueCodeInvalid,
+        WriteActivityEntry,
+        WriteRgbLedPatternEntry,
+        WriteWaveEntry,
+        ReadDataBaseIdentificationVersion,
+        WriteDataBaseIdentificationVersion,
+        SuspendFeature,
+        ReadPlayLog,
+        ResetPlayLog,
+    };
+
+    // This is nn::hid::PalmaWaveSet
+    enum class PalmaWaveSet : u64 {
+        Small,
+        Medium,
+        Large,
+    };
+
+    // This is nn::hid::PalmaFrModeType
+    enum class PalmaFrModeType : u64 {
+        Off,
+        B01,
+        B02,
+        B03,
+        Downloaded,
+    };
+
+    // This is nn::hid::PalmaFeature
+    enum class PalmaFeature : u64 {
+        FrMode,
+        RumbleFeedback,
+        Step,
+        MuteSwitch,
+    };
+
+    // This is nn::hid::PalmaOperationInfo
+    struct PalmaOperationInfo {
+        PalmaOperationType operation{};
+        Result result{PalmaResultSuccess};
+        PalmaOperationData data{};
+    };
+    static_assert(sizeof(PalmaOperationInfo) == 0x148, "PalmaOperationInfo is an invalid size");
+
+    // This is nn::hid::PalmaActivityEntry
+    struct PalmaActivityEntry {
+        u32 rgb_led_pattern_index;
+        INSERT_PADDING_BYTES(2);
+        PalmaWaveSet wave_set;
+        u32 wave_index;
+        INSERT_PADDING_BYTES(12);
+    };
+    static_assert(sizeof(PalmaActivityEntry) == 0x20, "PalmaActivityEntry is an invalid size");
+
+    struct PalmaConnectionHandle {
+        Core::HID::NpadIdType npad_id;
+        INSERT_PADDING_BYTES(4); // Unknown
+    };
+    static_assert(sizeof(PalmaConnectionHandle) == 0x8,
+                  "PalmaConnectionHandle has incorrect size.");
+
+    explicit Palma(Core::HID::HIDCore& hid_core_, KernelHelpers::ServiceContext& service_context_);
+    ~Palma() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+    Result GetPalmaConnectionHandle(Core::HID::NpadIdType npad_id, PalmaConnectionHandle& handle);
+    Result InitializePalma(const PalmaConnectionHandle& handle);
+    Kernel::KReadableEvent& AcquirePalmaOperationCompleteEvent(
+        const PalmaConnectionHandle& handle) const;
+    Result GetPalmaOperationInfo(const PalmaConnectionHandle& handle,
+                                 PalmaOperationType& operation_type,
+                                 PalmaOperationData& data) const;
+    Result PlayPalmaActivity(const PalmaConnectionHandle& handle, u64 palma_activity);
+    Result SetPalmaFrModeType(const PalmaConnectionHandle& handle, PalmaFrModeType fr_mode_);
+    Result ReadPalmaStep(const PalmaConnectionHandle& handle);
+    Result EnablePalmaStep(const PalmaConnectionHandle& handle, bool is_enabled);
+    Result ResetPalmaStep(const PalmaConnectionHandle& handle);
+    Result ReadPalmaUniqueCode(const PalmaConnectionHandle& handle);
+    Result SetPalmaUniqueCodeInvalid(const PalmaConnectionHandle& handle);
+    Result WritePalmaRgbLedPatternEntry(const PalmaConnectionHandle& handle, u64 unknown);
+    Result WritePalmaWaveEntry(const PalmaConnectionHandle& handle, PalmaWaveSet wave,
+                               Common::ProcessAddress t_mem, u64 size);
+    Result SetPalmaDataBaseIdentificationVersion(const PalmaConnectionHandle& handle,
+                                                 s32 database_id_version_);
+    Result GetPalmaDataBaseIdentificationVersion(const PalmaConnectionHandle& handle);
+    Result GetPalmaOperationResult(const PalmaConnectionHandle& handle) const;
+    void SetIsPalmaAllConnectable(bool is_all_connectable);
+    Result PairPalma(const PalmaConnectionHandle& handle);
+    void SetPalmaBoostMode(bool boost_mode);
+
+private:
+    void ReadPalmaApplicationSection();
+    void WritePalmaApplicationSection();
+    void WritePalmaActivityEntry();
+    void SuspendPalmaFeature();
+    void ReadPalmaPlayLog();
+    void ResetPalmaPlayLog();
+    void SetIsPalmaPairedConnectable();
+    void CancelWritePalmaWaveEntry();
+    void EnablePalmaBoostMode();
+    void GetPalmaBluetoothAddress();
+    void SetDisallowedPalmaConnection();
+
+    bool is_connectable{};
+    s32 database_id_version{};
+    PalmaOperationInfo operation{};
+    PalmaFrModeType fr_mode{};
+    PalmaConnectionHandle active_handle{};
+
+    Core::HID::EmulatedController* controller;
+
+    Kernel::KEvent* operation_complete_event;
+    KernelHelpers::ServiceContext& service_context;
+};
+
+} // namespace Service::HID

src/hid_core/resources/ring_lifo.h

@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+
+namespace Service::HID {
+
+template <typename State>
+struct AtomicStorage {
+    s64 sampling_number;
+    State state;
+};
+
+template <typename State, std::size_t max_buffer_size>
+struct Lifo {
+    s64 timestamp{};
+    s64 total_buffer_count = static_cast<s64>(max_buffer_size);
+    s64 buffer_tail{};
+    s64 buffer_count{};
+    std::array<AtomicStorage<State>, max_buffer_size> entries{};
+
+    const AtomicStorage<State>& ReadCurrentEntry() const {
+        return entries[buffer_tail];
+    }
+
+    const AtomicStorage<State>& ReadPreviousEntry() const {
+        return entries[GetPreviousEntryIndex()];
+    }
+
+    std::size_t GetPreviousEntryIndex() const {
+        return static_cast<size_t>((buffer_tail + max_buffer_size - 1) % max_buffer_size);
+    }
+
+    std::size_t GetNextEntryIndex() const {
+        return static_cast<size_t>((buffer_tail + 1) % max_buffer_size);
+    }
+
+    void WriteNextEntry(const State& new_state) {
+        if (buffer_count < static_cast<s64>(max_buffer_size) - 1) {
+            buffer_count++;
+        }
+        buffer_tail = GetNextEntryIndex();
+        const auto& previous_entry = ReadPreviousEntry();
+        entries[buffer_tail].sampling_number = previous_entry.sampling_number + 1;
+        entries[buffer_tail].state = new_state;
+    }
+};
+
+} // namespace Service::HID

src/hid_core/resources/shared_memory_format.h

@@ -0,0 +1,240 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/vector_math.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/debug_pad/debug_pad_types.h"
+#include "hid_core/resources/keyboard/keyboard_types.h"
+#include "hid_core/resources/mouse/mouse_types.h"
+#include "hid_core/resources/npad/npad_types.h"
+#include "hid_core/resources/ring_lifo.h"
+#include "hid_core/resources/touch_screen/touch_types.h"
+
+namespace Service::HID {
+static const std::size_t HidEntryCount = 17;
+
+struct CommonHeader {
+    s64 timestamp{};
+    s64 total_entry_count{};
+    s64 last_entry_index{};
+    s64 entry_count{};
+};
+static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
+
+// This is nn::hid::detail::DebugPadSharedMemoryFormat
+struct DebugPadSharedMemoryFormat {
+    // This is nn::hid::detail::DebugPadLifo
+    Lifo<DebugPadState, HidEntryCount> debug_pad_lifo{};
+    static_assert(sizeof(debug_pad_lifo) == 0x2C8, "debug_pad_lifo is an invalid size");
+    INSERT_PADDING_WORDS(0x4E);
+};
+static_assert(sizeof(DebugPadSharedMemoryFormat) == 0x400,
+              "DebugPadSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::TouchScreenSharedMemoryFormat
+struct TouchScreenSharedMemoryFormat {
+    // This is nn::hid::detail::TouchScreenLifo
+    Lifo<TouchScreenState, HidEntryCount> touch_screen_lifo{};
+    static_assert(sizeof(touch_screen_lifo) == 0x2C38, "touch_screen_lifo is an invalid size");
+    INSERT_PADDING_WORDS(0xF2);
+};
+static_assert(sizeof(TouchScreenSharedMemoryFormat) == 0x3000,
+              "TouchScreenSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::MouseSharedMemoryFormat
+struct MouseSharedMemoryFormat {
+    // This is nn::hid::detail::MouseLifo
+    Lifo<Core::HID::MouseState, HidEntryCount> mouse_lifo{};
+    static_assert(sizeof(mouse_lifo) == 0x350, "mouse_lifo is an invalid size");
+    INSERT_PADDING_WORDS(0x2C);
+};
+static_assert(sizeof(MouseSharedMemoryFormat) == 0x400,
+              "MouseSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::KeyboardSharedMemoryFormat
+struct KeyboardSharedMemoryFormat {
+    // This is nn::hid::detail::KeyboardLifo
+    Lifo<KeyboardState, HidEntryCount> keyboard_lifo{};
+    static_assert(sizeof(keyboard_lifo) == 0x3D8, "keyboard_lifo is an invalid size");
+    INSERT_PADDING_WORDS(0xA);
+};
+static_assert(sizeof(KeyboardSharedMemoryFormat) == 0x400,
+              "KeyboardSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::DigitizerSharedMemoryFormat
+struct DigitizerSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0xFE0);
+};
+static_assert(sizeof(DigitizerSharedMemoryFormat) == 0x1000,
+              "DigitizerSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::HomeButtonSharedMemoryFormat
+struct HomeButtonSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0x1E0);
+};
+static_assert(sizeof(HomeButtonSharedMemoryFormat) == 0x200,
+              "HomeButtonSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::SleepButtonSharedMemoryFormat
+struct SleepButtonSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0x1E0);
+};
+static_assert(sizeof(SleepButtonSharedMemoryFormat) == 0x200,
+              "SleepButtonSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::CaptureButtonSharedMemoryFormat
+struct CaptureButtonSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0x1E0);
+};
+static_assert(sizeof(CaptureButtonSharedMemoryFormat) == 0x200,
+              "CaptureButtonSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::InputDetectorSharedMemoryFormat
+struct InputDetectorSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0x7E0);
+};
+static_assert(sizeof(InputDetectorSharedMemoryFormat) == 0x800,
+              "InputDetectorSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::UniquePadSharedMemoryFormat
+struct UniquePadSharedMemoryFormat {
+    CommonHeader header;
+    INSERT_PADDING_BYTES(0x3FE0);
+};
+static_assert(sizeof(UniquePadSharedMemoryFormat) == 0x4000,
+              "UniquePadSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::NpadSixAxisSensorLifo
+struct NpadSixAxisSensorLifo {
+    Lifo<Core::HID::SixAxisSensorState, HidEntryCount> lifo;
+};
+
+// This is nn::hid::detail::NpadInternalState
+struct NpadInternalState {
+    Core::HID::NpadStyleTag style_tag{Core::HID::NpadStyleSet::None};
+    NpadJoyAssignmentMode assignment_mode{NpadJoyAssignmentMode::Dual};
+    NpadFullKeyColorState fullkey_color{};
+    NpadJoyColorState joycon_color{};
+    Lifo<NPadGenericState, HidEntryCount> fullkey_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> handheld_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> joy_dual_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> joy_left_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> joy_right_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> palma_lifo{};
+    Lifo<NPadGenericState, HidEntryCount> system_ext_lifo{};
+    NpadSixAxisSensorLifo sixaxis_fullkey_lifo{};
+    NpadSixAxisSensorLifo sixaxis_handheld_lifo{};
+    NpadSixAxisSensorLifo sixaxis_dual_left_lifo{};
+    NpadSixAxisSensorLifo sixaxis_dual_right_lifo{};
+    NpadSixAxisSensorLifo sixaxis_left_lifo{};
+    NpadSixAxisSensorLifo sixaxis_right_lifo{};
+    DeviceType device_type{};
+    INSERT_PADDING_BYTES(0x4); // Reserved
+    NPadSystemProperties system_properties{};
+    NpadSystemButtonProperties button_properties{};
+    Core::HID::NpadBatteryLevel battery_level_dual{};
+    Core::HID::NpadBatteryLevel battery_level_left{};
+    Core::HID::NpadBatteryLevel battery_level_right{};
+    AppletFooterUiAttributes applet_footer_attributes{};
+    AppletFooterUiType applet_footer_type{AppletFooterUiType::None};
+    INSERT_PADDING_BYTES(0x5B); // Reserved
+    INSERT_PADDING_BYTES(0x20); // Unknown
+    Lifo<NpadGcTriggerState, HidEntryCount> gc_trigger_lifo{};
+    NpadLarkType lark_type_l_and_main{};
+    NpadLarkType lark_type_r{};
+    NpadLuciaType lucia_type{};
+    NpadLagerType lager_type{};
+    Core::HID::SixAxisSensorProperties sixaxis_fullkey_properties;
+    Core::HID::SixAxisSensorProperties sixaxis_handheld_properties;
+    Core::HID::SixAxisSensorProperties sixaxis_dual_left_properties;
+    Core::HID::SixAxisSensorProperties sixaxis_dual_right_properties;
+    Core::HID::SixAxisSensorProperties sixaxis_left_properties;
+    Core::HID::SixAxisSensorProperties sixaxis_right_properties;
+};
+static_assert(sizeof(NpadInternalState) == 0x43F8, "NpadInternalState is an invalid size");
+
+// This is nn::hid::detail::NpadSharedMemoryEntry
+struct NpadSharedMemoryEntry {
+    NpadInternalState internal_state;
+    INSERT_PADDING_BYTES(0xC08);
+};
+static_assert(sizeof(NpadSharedMemoryEntry) == 0x5000, "NpadSharedMemoryEntry is an invalid size");
+
+// This is nn::hid::detail::NpadSharedMemoryFormat
+struct NpadSharedMemoryFormat {
+    std::array<NpadSharedMemoryEntry, MaxSupportedNpadIdTypes> npad_entry;
+};
+static_assert(sizeof(NpadSharedMemoryFormat) == 0x32000,
+              "NpadSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::GestureSharedMemoryFormat
+struct GestureSharedMemoryFormat {
+    // This is nn::hid::detail::GestureLifo
+    Lifo<GestureState, HidEntryCount> gesture_lifo{};
+    static_assert(sizeof(gesture_lifo) == 0x708, "gesture_lifo is an invalid size");
+    INSERT_PADDING_WORDS(0x3E);
+};
+static_assert(sizeof(GestureSharedMemoryFormat) == 0x800,
+              "GestureSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::ConsoleSixAxisSensorSharedMemoryFormat
+struct ConsoleSixAxisSensorSharedMemoryFormat {
+    u64 sampling_number{};
+    bool is_seven_six_axis_sensor_at_rest{};
+    INSERT_PADDING_BYTES(3); // padding
+    f32 verticalization_error{};
+    Common::Vec3f gyro_bias{};
+    INSERT_PADDING_BYTES(4); // padding
+};
+static_assert(sizeof(ConsoleSixAxisSensorSharedMemoryFormat) == 0x20,
+              "ConsoleSixAxisSensorSharedMemoryFormat is an invalid size");
+
+// This is nn::hid::detail::SharedMemoryFormat
+struct SharedMemoryFormat {
+    void Initialize() {}
+
+    DebugPadSharedMemoryFormat debug_pad;
+    TouchScreenSharedMemoryFormat touch_screen;
+    MouseSharedMemoryFormat mouse;
+    KeyboardSharedMemoryFormat keyboard;
+    DigitizerSharedMemoryFormat digitizer;
+    HomeButtonSharedMemoryFormat home_button;
+    SleepButtonSharedMemoryFormat sleep_button;
+    CaptureButtonSharedMemoryFormat capture_button;
+    InputDetectorSharedMemoryFormat input_detector;
+    UniquePadSharedMemoryFormat unique_pad;
+    NpadSharedMemoryFormat npad;
+    GestureSharedMemoryFormat gesture;
+    ConsoleSixAxisSensorSharedMemoryFormat console;
+    INSERT_PADDING_BYTES(0x19E0);
+    MouseSharedMemoryFormat debug_mouse;
+    INSERT_PADDING_BYTES(0x2000);
+};
+static_assert(offsetof(SharedMemoryFormat, debug_pad) == 0x0, "debug_pad has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, touch_screen) == 0x400, "touch_screen has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, mouse) == 0x3400, "mouse has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, keyboard) == 0x3800, "keyboard has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, digitizer) == 0x3C00, "digitizer has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, home_button) == 0x4C00, "home_button has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, sleep_button) == 0x4E00,
+              "sleep_button has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, capture_button) == 0x5000,
+              "capture_button has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, input_detector) == 0x5200,
+              "input_detector has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, npad) == 0x9A00, "npad has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, gesture) == 0x3BA00, "gesture has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, console) == 0x3C200, "console has wrong offset");
+static_assert(offsetof(SharedMemoryFormat, debug_mouse) == 0x3DC00, "debug_mouse has wrong offset");
+static_assert(sizeof(SharedMemoryFormat) == 0x40000, "SharedMemoryFormat is an invalid size");
+
+} // namespace Service::HID

src/hid_core/resources/shared_memory_holder.cpp

@@ -0,0 +1,54 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "core/core.h"
+#include "core/hle/kernel/k_shared_memory.h"
+#include "hid_core/hid_result.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/shared_memory_holder.h"
+
+namespace Service::HID {
+SharedMemoryHolder::SharedMemoryHolder() {}
+
+SharedMemoryHolder::~SharedMemoryHolder() {
+    Finalize();
+}
+
+Result SharedMemoryHolder::Initialize(Core::System& system) {
+    shared_memory = Kernel::KSharedMemory::Create(system.Kernel());
+    const Result result = shared_memory->Initialize(
+        system.DeviceMemory(), nullptr, Kernel::Svc::MemoryPermission::None,
+        Kernel::Svc::MemoryPermission::Read, sizeof(SharedMemoryFormat));
+    if (result.IsError()) {
+        return result;
+    }
+    Kernel::KSharedMemory::Register(system.Kernel(), shared_memory);
+
+    is_created = true;
+    is_mapped = true;
+    address = std::construct_at(reinterpret_cast<SharedMemoryFormat*>(shared_memory->GetPointer()));
+    return ResultSuccess;
+}
+
+void SharedMemoryHolder::Finalize() {
+    if (address != nullptr) {
+        shared_memory->Close();
+    }
+    is_created = false;
+    is_mapped = false;
+    address = nullptr;
+}
+
+bool SharedMemoryHolder::IsMapped() {
+    return is_mapped;
+}
+
+SharedMemoryFormat* SharedMemoryHolder::GetAddress() {
+    return address;
+}
+
+Kernel::KSharedMemory* SharedMemoryHolder::GetHandle() {
+    return shared_memory;
+}
+} // namespace Service::HID

src/hid_core/resources/shared_memory_holder.h

@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "core/hle/result.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KSharedMemory;
+}
+
+namespace Service::HID {
+struct SharedMemoryFormat;
+
+// This is nn::hid::detail::SharedMemoryHolder
+class SharedMemoryHolder {
+public:
+    SharedMemoryHolder();
+    ~SharedMemoryHolder();
+
+    Result Initialize(Core::System& system);
+    void Finalize();
+
+    bool IsMapped();
+    SharedMemoryFormat* GetAddress();
+    Kernel::KSharedMemory* GetHandle();
+
+private:
+    bool is_owner{};
+    bool is_created{};
+    bool is_mapped{};
+    INSERT_PADDING_BYTES(0x5);
+    Kernel::KSharedMemory* shared_memory;
+    INSERT_PADDING_BYTES(0x38);
+    SharedMemoryFormat* address = nullptr;
+};
+// Correct size is 0x50 bytes
+static_assert(sizeof(SharedMemoryHolder) == 0x50, "SharedMemoryHolder is an invalid size");
+
+} // namespace Service::HID

src/hid_core/resources/six_axis/console_six_axis.cpp

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/frontend/emulated_console.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/six_axis/console_six_axis.h"
+
+namespace Service::HID {
+
+ConsoleSixAxis::ConsoleSixAxis(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
+    console = hid_core.GetEmulatedConsole();
+}
+
+ConsoleSixAxis::~ConsoleSixAxis() = default;
+
+void ConsoleSixAxis::OnInit() {}
+
+void ConsoleSixAxis::OnRelease() {}
+
+void ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    ConsoleSixAxisSensorSharedMemoryFormat& shared_memory = data->shared_memory_format->console;
+
+    if (!IsControllerActivated()) {
+        return;
+    }
+
+    const auto motion_status = console->GetMotion();
+
+    shared_memory.sampling_number++;
+    shared_memory.is_seven_six_axis_sensor_at_rest = motion_status.is_at_rest;
+    shared_memory.verticalization_error = motion_status.verticalization_error;
+    shared_memory.gyro_bias = motion_status.gyro_bias;
+}
+
+} // namespace Service::HID

src/hid_core/resources/six_axis/console_six_axis.h

@@ -0,0 +1,30 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+} // namespace Core::HID
+
+namespace Service::HID {
+class ConsoleSixAxis final : public ControllerBase {
+public:
+    explicit ConsoleSixAxis(Core::HID::HIDCore& hid_core_);
+    ~ConsoleSixAxis() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    Core::HID::EmulatedConsole* console = nullptr;
+};
+} // namespace Service::HID

src/hid_core/resources/six_axis/seven_six_axis.cpp

@@ -0,0 +1,66 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <cstring>
+#include "common/common_types.h"
+#include "core/core.h"
+#include "core/core_timing.h"
+#include "core/frontend/emu_window.h"
+#include "core/memory.h"
+#include "hid_core/frontend/emulated_console.h"
+#include "hid_core/frontend/emulated_devices.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/six_axis/seven_six_axis.h"
+
+namespace Service::HID {
+SevenSixAxis::SevenSixAxis(Core::System& system_)
+    : ControllerBase{system_.HIDCore()}, system{system_} {
+    console = hid_core.GetEmulatedConsole();
+}
+
+SevenSixAxis::~SevenSixAxis() = default;
+
+void SevenSixAxis::OnInit() {}
+void SevenSixAxis::OnRelease() {}
+
+void SevenSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!IsControllerActivated() || transfer_memory == 0) {
+        seven_sixaxis_lifo.buffer_count = 0;
+        seven_sixaxis_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = seven_sixaxis_lifo.ReadCurrentEntry().state;
+    next_seven_sixaxis_state.sampling_number = last_entry.sampling_number + 1;
+
+    const auto motion_status = console->GetMotion();
+    last_global_timestamp = core_timing.GetGlobalTimeNs().count();
+
+    // This value increments every time the switch goes to sleep
+    next_seven_sixaxis_state.unknown = 1;
+    next_seven_sixaxis_state.timestamp = last_global_timestamp - last_saved_timestamp;
+    next_seven_sixaxis_state.accel = motion_status.accel;
+    next_seven_sixaxis_state.gyro = motion_status.gyro;
+    next_seven_sixaxis_state.quaternion = {
+        {
+            motion_status.quaternion.xyz.y,
+            motion_status.quaternion.xyz.x,
+            -motion_status.quaternion.w,
+        },
+        -motion_status.quaternion.xyz.z,
+    };
+
+    seven_sixaxis_lifo.WriteNextEntry(next_seven_sixaxis_state);
+    system.ApplicationMemory().WriteBlock(transfer_memory, &seven_sixaxis_lifo,
+                                          sizeof(seven_sixaxis_lifo));
+}
+
+void SevenSixAxis::SetTransferMemoryAddress(Common::ProcessAddress t_mem) {
+    transfer_memory = t_mem;
+}
+
+void SevenSixAxis::ResetTimestamp() {
+    last_saved_timestamp = last_global_timestamp;
+}
+
+} // namespace Service::HID

src/hid_core/resources/six_axis/seven_six_axis.h

@@ -0,0 +1,65 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "common/quaternion.h"
+#include "common/typed_address.h"
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/ring_lifo.h"
+
+namespace Core {
+class System;
+} // namespace Core
+
+namespace Core::HID {
+class EmulatedConsole;
+} // namespace Core::HID
+
+namespace Service::HID {
+class SevenSixAxis final : public ControllerBase {
+public:
+    explicit SevenSixAxis(Core::System& system_);
+    ~SevenSixAxis() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+    // Called on InitializeSevenSixAxisSensor
+    void SetTransferMemoryAddress(Common::ProcessAddress t_mem);
+
+    // Called on ResetSevenSixAxisSensorTimestamp
+    void ResetTimestamp();
+
+private:
+    struct SevenSixAxisState {
+        INSERT_PADDING_WORDS(2); // unused
+        u64 timestamp{};
+        u64 sampling_number{};
+        u64 unknown{};
+        Common::Vec3f accel{};
+        Common::Vec3f gyro{};
+        Common::Quaternion<f32> quaternion{};
+    };
+    static_assert(sizeof(SevenSixAxisState) == 0x48, "SevenSixAxisState is an invalid size");
+
+    Lifo<SevenSixAxisState, 0x21> seven_sixaxis_lifo{};
+    static_assert(sizeof(seven_sixaxis_lifo) == 0xA70, "SevenSixAxisState is an invalid size");
+
+    u64 last_saved_timestamp{};
+    u64 last_global_timestamp{};
+
+    SevenSixAxisState next_seven_sixaxis_state{};
+    Common::ProcessAddress transfer_memory{};
+    Core::HID::EmulatedConsole* console = nullptr;
+
+    Core::System& system;
+};
+} // namespace Service::HID

src/hid_core/resources/six_axis/six_axis.cpp

@@ -0,0 +1,421 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common/common_types.h"
+#include "core/core_timing.h"
+#include "hid_core/frontend/emulated_controller.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/hid_result.h"
+#include "hid_core/hid_util.h"
+#include "hid_core/resources/npad/npad.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/six_axis/six_axis.h"
+
+namespace Service::HID {
+
+SixAxis::SixAxis(Core::HID::HIDCore& hid_core_, std::shared_ptr<NPad> npad_)
+    : ControllerBase{hid_core_}, npad{npad_} {
+    for (std::size_t i = 0; i < controller_data.size(); ++i) {
+        auto& controller = controller_data[i];
+        controller.device = hid_core.GetEmulatedControllerByIndex(i);
+    }
+}
+
+SixAxis::~SixAxis() = default;
+
+void SixAxis::OnInit() {}
+void SixAxis::OnRelease() {}
+
+void SixAxis::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    if (!IsControllerActivated()) {
+        return;
+    }
+
+    for (std::size_t i = 0; i < controller_data.size(); ++i) {
+        NpadSharedMemoryEntry& shared_memory = data->shared_memory_format->npad.npad_entry[i];
+        auto& controller = controller_data[i];
+        const auto& controller_type = controller.device->GetNpadStyleIndex();
+
+        if (controller_type == Core::HID::NpadStyleIndex::None ||
+            !controller.device->IsConnected()) {
+            continue;
+        }
+
+        const auto& motion_state = controller.device->GetMotions();
+        auto& sixaxis_fullkey_state = controller.sixaxis_fullkey_state;
+        auto& sixaxis_handheld_state = controller.sixaxis_handheld_state;
+        auto& sixaxis_dual_left_state = controller.sixaxis_dual_left_state;
+        auto& sixaxis_dual_right_state = controller.sixaxis_dual_right_state;
+        auto& sixaxis_left_lifo_state = controller.sixaxis_left_lifo_state;
+        auto& sixaxis_right_lifo_state = controller.sixaxis_right_lifo_state;
+
+        auto& sixaxis_fullkey_lifo = shared_memory.internal_state.sixaxis_fullkey_lifo;
+        auto& sixaxis_handheld_lifo = shared_memory.internal_state.sixaxis_handheld_lifo;
+        auto& sixaxis_dual_left_lifo = shared_memory.internal_state.sixaxis_dual_left_lifo;
+        auto& sixaxis_dual_right_lifo = shared_memory.internal_state.sixaxis_dual_right_lifo;
+        auto& sixaxis_left_lifo = shared_memory.internal_state.sixaxis_left_lifo;
+        auto& sixaxis_right_lifo = shared_memory.internal_state.sixaxis_right_lifo;
+
+        // Clear previous state
+        sixaxis_fullkey_state = {};
+        sixaxis_handheld_state = {};
+        sixaxis_dual_left_state = {};
+        sixaxis_dual_right_state = {};
+        sixaxis_left_lifo_state = {};
+        sixaxis_right_lifo_state = {};
+
+        if (controller.sixaxis_sensor_enabled && Settings::values.motion_enabled.GetValue()) {
+            controller.sixaxis_at_rest = true;
+            for (std::size_t e = 0; e < motion_state.size(); ++e) {
+                controller.sixaxis_at_rest =
+                    controller.sixaxis_at_rest && motion_state[e].is_at_rest;
+            }
+        }
+
+        const auto set_motion_state = [&](Core::HID::SixAxisSensorState& state,
+                                          const Core::HID::ControllerMotion& hid_state) {
+            using namespace std::literals::chrono_literals;
+            static constexpr Core::HID::SixAxisSensorState default_motion_state = {
+                .delta_time = std::chrono::nanoseconds(5ms).count(),
+                .accel = {0, 0, -1.0f},
+                .orientation =
+                    {
+                        Common::Vec3f{1.0f, 0, 0},
+                        Common::Vec3f{0, 1.0f, 0},
+                        Common::Vec3f{0, 0, 1.0f},
+                    },
+                .attribute = {1},
+            };
+            if (!controller.sixaxis_sensor_enabled) {
+                state = default_motion_state;
+                return;
+            }
+            if (!Settings::values.motion_enabled.GetValue()) {
+                state = default_motion_state;
+                return;
+            }
+            state.attribute.is_connected.Assign(1);
+            state.delta_time = std::chrono::nanoseconds(5ms).count();
+            state.accel = hid_state.accel;
+            state.gyro = hid_state.gyro;
+            state.rotation = hid_state.rotation;
+            state.orientation = hid_state.orientation;
+        };
+
+        switch (controller_type) {
+        case Core::HID::NpadStyleIndex::None:
+            ASSERT(false);
+            break;
+        case Core::HID::NpadStyleIndex::ProController:
+            set_motion_state(sixaxis_fullkey_state, motion_state[0]);
+            break;
+        case Core::HID::NpadStyleIndex::Handheld:
+            set_motion_state(sixaxis_handheld_state, motion_state[0]);
+            break;
+        case Core::HID::NpadStyleIndex::JoyconDual:
+            set_motion_state(sixaxis_dual_left_state, motion_state[0]);
+            set_motion_state(sixaxis_dual_right_state, motion_state[1]);
+            break;
+        case Core::HID::NpadStyleIndex::JoyconLeft:
+            set_motion_state(sixaxis_left_lifo_state, motion_state[0]);
+            break;
+        case Core::HID::NpadStyleIndex::JoyconRight:
+            set_motion_state(sixaxis_right_lifo_state, motion_state[1]);
+            break;
+        case Core::HID::NpadStyleIndex::Pokeball:
+            using namespace std::literals::chrono_literals;
+            set_motion_state(sixaxis_fullkey_state, motion_state[0]);
+            sixaxis_fullkey_state.delta_time = std::chrono::nanoseconds(15ms).count();
+            break;
+        default:
+            break;
+        }
+
+        sixaxis_fullkey_state.sampling_number =
+            sixaxis_fullkey_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+        sixaxis_handheld_state.sampling_number =
+            sixaxis_handheld_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+        sixaxis_dual_left_state.sampling_number =
+            sixaxis_dual_left_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+        sixaxis_dual_right_state.sampling_number =
+            sixaxis_dual_right_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+        sixaxis_left_lifo_state.sampling_number =
+            sixaxis_left_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+        sixaxis_right_lifo_state.sampling_number =
+            sixaxis_right_lifo.lifo.ReadCurrentEntry().state.sampling_number + 1;
+
+        if (IndexToNpadIdType(i) == Core::HID::NpadIdType::Handheld) {
+            // This buffer only is updated on handheld on HW
+            sixaxis_handheld_lifo.lifo.WriteNextEntry(sixaxis_handheld_state);
+        } else {
+            // Handheld doesn't update this buffer on HW
+            sixaxis_fullkey_lifo.lifo.WriteNextEntry(sixaxis_fullkey_state);
+        }
+
+        sixaxis_dual_left_lifo.lifo.WriteNextEntry(sixaxis_dual_left_state);
+        sixaxis_dual_right_lifo.lifo.WriteNextEntry(sixaxis_dual_right_state);
+        sixaxis_left_lifo.lifo.WriteNextEntry(sixaxis_left_lifo_state);
+        sixaxis_right_lifo.lifo.WriteNextEntry(sixaxis_right_lifo_state);
+    }
+}
+
+Result SixAxis::SetGyroscopeZeroDriftMode(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                          Core::HID::GyroscopeZeroDriftMode drift_mode) {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    auto& controller = GetControllerFromHandle(sixaxis_handle);
+    sixaxis.gyroscope_zero_drift_mode = drift_mode;
+    controller.device->SetGyroscopeZeroDriftMode(drift_mode);
+
+    return ResultSuccess;
+}
+
+Result SixAxis::GetGyroscopeZeroDriftMode(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                          Core::HID::GyroscopeZeroDriftMode& drift_mode) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    drift_mode = sixaxis.gyroscope_zero_drift_mode;
+
+    return ResultSuccess;
+}
+
+Result SixAxis::IsSixAxisSensorAtRest(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                      bool& is_at_rest) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto& controller = GetControllerFromHandle(sixaxis_handle);
+    is_at_rest = controller.sixaxis_at_rest;
+    return ResultSuccess;
+}
+
+Result SixAxis::LoadSixAxisSensorCalibrationParameter(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+    Core::HID::SixAxisSensorCalibrationParameter& calibration) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    // TODO: Request this data to the controller. On error return 0xd8ca
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    calibration = sixaxis.calibration;
+    return ResultSuccess;
+}
+
+Result SixAxis::GetSixAxisSensorIcInformation(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+    Core::HID::SixAxisSensorIcInformation& ic_information) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    // TODO: Request this data to the controller. On error return 0xd8ca
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    ic_information = sixaxis.ic_information;
+    return ResultSuccess;
+}
+
+Result SixAxis::EnableSixAxisSensorUnalteredPassthrough(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle, bool is_enabled) {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    sixaxis.unaltered_passtrough = is_enabled;
+    return ResultSuccess;
+}
+
+Result SixAxis::IsSixAxisSensorUnalteredPassthroughEnabled(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle, bool& is_enabled) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    is_enabled = sixaxis.unaltered_passtrough;
+    return ResultSuccess;
+}
+
+Result SixAxis::SetSixAxisEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                  bool sixaxis_status) {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    auto& controller = GetControllerFromHandle(sixaxis_handle);
+    controller.sixaxis_sensor_enabled = sixaxis_status;
+    return ResultSuccess;
+}
+
+Result SixAxis::IsSixAxisSensorFusionEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                             bool& is_fusion_enabled) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    is_fusion_enabled = sixaxis.is_fusion_enabled;
+
+    return ResultSuccess;
+}
+Result SixAxis::SetSixAxisFusionEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                        bool is_fusion_enabled) {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    sixaxis.is_fusion_enabled = is_fusion_enabled;
+
+    return ResultSuccess;
+}
+
+Result SixAxis::SetSixAxisFusionParameters(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+    Core::HID::SixAxisSensorFusionParameters sixaxis_fusion_parameters) {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto param1 = sixaxis_fusion_parameters.parameter1;
+    if (param1 < 0.0f || param1 > 1.0f) {
+        return InvalidSixAxisFusionRange;
+    }
+
+    auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    sixaxis.fusion = sixaxis_fusion_parameters;
+
+    return ResultSuccess;
+}
+
+Result SixAxis::GetSixAxisFusionParameters(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+    Core::HID::SixAxisSensorFusionParameters& parameters) const {
+    const auto is_valid = IsSixaxisHandleValid(sixaxis_handle);
+    if (is_valid.IsError()) {
+        LOG_ERROR(Service_HID, "Invalid handle, error_code={}", is_valid.raw);
+        return is_valid;
+    }
+
+    const auto& sixaxis = GetSixaxisState(sixaxis_handle);
+    parameters = sixaxis.fusion;
+
+    return ResultSuccess;
+}
+
+SixAxis::SixaxisParameters& SixAxis::GetSixaxisState(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle) {
+    auto& controller = GetControllerFromHandle(sixaxis_handle);
+    switch (sixaxis_handle.npad_type) {
+    case Core::HID::NpadStyleIndex::ProController:
+    case Core::HID::NpadStyleIndex::Pokeball:
+        return controller.sixaxis_fullkey;
+    case Core::HID::NpadStyleIndex::Handheld:
+        return controller.sixaxis_handheld;
+    case Core::HID::NpadStyleIndex::JoyconDual:
+        if (sixaxis_handle.device_index == Core::HID::DeviceIndex::Left) {
+            return controller.sixaxis_dual_left;
+        }
+        return controller.sixaxis_dual_right;
+    case Core::HID::NpadStyleIndex::JoyconLeft:
+        return controller.sixaxis_left;
+    case Core::HID::NpadStyleIndex::JoyconRight:
+        return controller.sixaxis_right;
+    default:
+        return controller.sixaxis_unknown;
+    }
+}
+
+const SixAxis::SixaxisParameters& SixAxis::GetSixaxisState(
+    const Core::HID::SixAxisSensorHandle& sixaxis_handle) const {
+    const auto& controller = GetControllerFromHandle(sixaxis_handle);
+    switch (sixaxis_handle.npad_type) {
+    case Core::HID::NpadStyleIndex::ProController:
+    case Core::HID::NpadStyleIndex::Pokeball:
+        return controller.sixaxis_fullkey;
+    case Core::HID::NpadStyleIndex::Handheld:
+        return controller.sixaxis_handheld;
+    case Core::HID::NpadStyleIndex::JoyconDual:
+        if (sixaxis_handle.device_index == Core::HID::DeviceIndex::Left) {
+            return controller.sixaxis_dual_left;
+        }
+        return controller.sixaxis_dual_right;
+    case Core::HID::NpadStyleIndex::JoyconLeft:
+        return controller.sixaxis_left;
+    case Core::HID::NpadStyleIndex::JoyconRight:
+        return controller.sixaxis_right;
+    default:
+        return controller.sixaxis_unknown;
+    }
+}
+
+SixAxis::NpadControllerData& SixAxis::GetControllerFromHandle(
+    const Core::HID::SixAxisSensorHandle& device_handle) {
+    const auto npad_id = static_cast<Core::HID::NpadIdType>(device_handle.npad_id);
+    return GetControllerFromNpadIdType(npad_id);
+}
+
+const SixAxis::NpadControllerData& SixAxis::GetControllerFromHandle(
+    const Core::HID::SixAxisSensorHandle& device_handle) const {
+    const auto npad_id = static_cast<Core::HID::NpadIdType>(device_handle.npad_id);
+    return GetControllerFromNpadIdType(npad_id);
+}
+
+SixAxis::NpadControllerData& SixAxis::GetControllerFromNpadIdType(Core::HID::NpadIdType npad_id) {
+    if (!IsNpadIdValid(npad_id)) {
+        LOG_ERROR(Service_HID, "Invalid NpadIdType npad_id:{}", npad_id);
+        npad_id = Core::HID::NpadIdType::Player1;
+    }
+    const auto npad_index = NpadIdTypeToIndex(npad_id);
+    return controller_data[npad_index];
+}
+
+const SixAxis::NpadControllerData& SixAxis::GetControllerFromNpadIdType(
+    Core::HID::NpadIdType npad_id) const {
+    if (!IsNpadIdValid(npad_id)) {
+        LOG_ERROR(Service_HID, "Invalid NpadIdType npad_id:{}", npad_id);
+        npad_id = Core::HID::NpadIdType::Player1;
+    }
+    const auto npad_index = NpadIdTypeToIndex(npad_id);
+    return controller_data[npad_index];
+}
+
+} // namespace Service::HID

src/hid_core/resources/six_axis/six_axis.h

@@ -0,0 +1,111 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedController;
+} // namespace Core::HID
+
+namespace Service::HID {
+class NPad;
+
+class SixAxis final : public ControllerBase {
+public:
+    explicit SixAxis(Core::HID::HIDCore& hid_core_, std::shared_ptr<NPad> npad_);
+    ~SixAxis() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+    Result SetGyroscopeZeroDriftMode(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                     Core::HID::GyroscopeZeroDriftMode drift_mode);
+    Result GetGyroscopeZeroDriftMode(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                     Core::HID::GyroscopeZeroDriftMode& drift_mode) const;
+    Result IsSixAxisSensorAtRest(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                 bool& is_at_rest) const;
+    Result EnableSixAxisSensorUnalteredPassthrough(
+        const Core::HID::SixAxisSensorHandle& sixaxis_handle, bool is_enabled);
+    Result IsSixAxisSensorUnalteredPassthroughEnabled(
+        const Core::HID::SixAxisSensorHandle& sixaxis_handle, bool& is_enabled) const;
+    Result LoadSixAxisSensorCalibrationParameter(
+        const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+        Core::HID::SixAxisSensorCalibrationParameter& calibration) const;
+    Result GetSixAxisSensorIcInformation(
+        const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+        Core::HID::SixAxisSensorIcInformation& ic_information) const;
+    Result SetSixAxisEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                             bool sixaxis_status);
+    Result IsSixAxisSensorFusionEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                        bool& is_fusion_enabled) const;
+    Result SetSixAxisFusionEnabled(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                   bool is_fusion_enabled);
+    Result SetSixAxisFusionParameters(
+        const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+        Core::HID::SixAxisSensorFusionParameters sixaxis_fusion_parameters);
+    Result GetSixAxisFusionParameters(const Core::HID::SixAxisSensorHandle& sixaxis_handle,
+                                      Core::HID::SixAxisSensorFusionParameters& parameters) const;
+
+private:
+    static constexpr std::size_t NPAD_COUNT = 10;
+
+    struct SixaxisParameters {
+        bool is_fusion_enabled{true};
+        bool unaltered_passtrough{false};
+        Core::HID::SixAxisSensorFusionParameters fusion{};
+        Core::HID::SixAxisSensorCalibrationParameter calibration{};
+        Core::HID::SixAxisSensorIcInformation ic_information{};
+        Core::HID::GyroscopeZeroDriftMode gyroscope_zero_drift_mode{
+            Core::HID::GyroscopeZeroDriftMode::Standard};
+    };
+
+    struct NpadControllerData {
+        Core::HID::EmulatedController* device = nullptr;
+
+        // Motion parameters
+        bool sixaxis_at_rest{true};
+        bool sixaxis_sensor_enabled{true};
+        SixaxisParameters sixaxis_fullkey{};
+        SixaxisParameters sixaxis_handheld{};
+        SixaxisParameters sixaxis_dual_left{};
+        SixaxisParameters sixaxis_dual_right{};
+        SixaxisParameters sixaxis_left{};
+        SixaxisParameters sixaxis_right{};
+        SixaxisParameters sixaxis_unknown{};
+
+        // Current pad state
+        Core::HID::SixAxisSensorState sixaxis_fullkey_state{};
+        Core::HID::SixAxisSensorState sixaxis_handheld_state{};
+        Core::HID::SixAxisSensorState sixaxis_dual_left_state{};
+        Core::HID::SixAxisSensorState sixaxis_dual_right_state{};
+        Core::HID::SixAxisSensorState sixaxis_left_lifo_state{};
+        Core::HID::SixAxisSensorState sixaxis_right_lifo_state{};
+        int callback_key{};
+    };
+
+    SixaxisParameters& GetSixaxisState(const Core::HID::SixAxisSensorHandle& device_handle);
+    const SixaxisParameters& GetSixaxisState(
+        const Core::HID::SixAxisSensorHandle& device_handle) const;
+
+    NpadControllerData& GetControllerFromHandle(
+        const Core::HID::SixAxisSensorHandle& device_handle);
+    const NpadControllerData& GetControllerFromHandle(
+        const Core::HID::SixAxisSensorHandle& device_handle) const;
+    NpadControllerData& GetControllerFromNpadIdType(Core::HID::NpadIdType npad_id);
+    const NpadControllerData& GetControllerFromNpadIdType(Core::HID::NpadIdType npad_id) const;
+
+    std::shared_ptr<NPad> npad;
+    std::array<NpadControllerData, NPAD_COUNT> controller_data{};
+};
+} // namespace Service::HID

src/hid_core/resources/system_buttons/capture_button.cpp

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/system_buttons/capture_button.h"
+
+namespace Service::HID {
+
+CaptureButton::CaptureButton(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
+
+CaptureButton::~CaptureButton() = default;
+
+void CaptureButton::OnInit() {}
+
+void CaptureButton::OnRelease() {}
+
+void CaptureButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!smart_update) {
+        return;
+    }
+
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    auto& header = data->shared_memory_format->capture_button.header;
+    header.timestamp = core_timing.GetGlobalTimeNs().count();
+    header.total_entry_count = 17;
+    header.entry_count = 0;
+    header.last_entry_index = 0;
+}
+
+} // namespace Service::HID

src/hid_core/resources/system_buttons/capture_button.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+class CaptureButton final : public ControllerBase {
+public:
+    explicit CaptureButton(Core::HID::HIDCore& hid_core_);
+    ~CaptureButton() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    bool smart_update{};
+};
+} // namespace Service::HID

src/hid_core/resources/system_buttons/home_button.cpp

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/system_buttons/home_button.h"
+
+namespace Service::HID {
+
+HomeButton::HomeButton(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
+
+HomeButton::~HomeButton() = default;
+
+void HomeButton::OnInit() {}
+
+void HomeButton::OnRelease() {}
+
+void HomeButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!smart_update) {
+        return;
+    }
+
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    auto& header = data->shared_memory_format->home_button.header;
+    header.timestamp = core_timing.GetGlobalTimeNs().count();
+    header.total_entry_count = 17;
+    header.entry_count = 0;
+    header.last_entry_index = 0;
+}
+
+} // namespace Service::HID

src/hid_core/resources/system_buttons/home_button.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+class HomeButton final : public ControllerBase {
+public:
+    explicit HomeButton(Core::HID::HIDCore& hid_core_);
+    ~HomeButton() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    bool smart_update{};
+};
+} // namespace Service::HID

src/hid_core/resources/system_buttons/sleep_button.cpp

@@ -0,0 +1,39 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/system_buttons/sleep_button.h"
+
+namespace Service::HID {
+
+SleepButton::SleepButton(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
+
+SleepButton::~SleepButton() = default;
+
+void SleepButton::OnInit() {}
+
+void SleepButton::OnRelease() {}
+
+void SleepButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!smart_update) {
+        return;
+    }
+
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    auto& header = data->shared_memory_format->capture_button.header;
+    header.timestamp = core_timing.GetGlobalTimeNs().count();
+    header.total_entry_count = 17;
+    header.entry_count = 0;
+    header.last_entry_index = 0;
+}
+
+} // namespace Service::HID

src/hid_core/resources/system_buttons/sleep_button.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+class SleepButton final : public ControllerBase {
+public:
+    explicit SleepButton(Core::HID::HIDCore& hid_core_);
+    ~SleepButton() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    bool smart_update{};
+};
+} // namespace Service::HID

src/hid_core/resources/touch_screen/gesture.cpp

@@ -0,0 +1,366 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/math_util.h"
+#include "common/settings.h"
+#include "core/frontend/emu_window.h"
+#include "hid_core/frontend/emulated_console.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/touch_screen/gesture.h"
+
+namespace Service::HID {
+// HW is around 700, value is set to 400 to make it easier to trigger with mouse
+constexpr f32 swipe_threshold = 400.0f; // Threshold in pixels/s
+constexpr f32 angle_threshold = 0.015f; // Threshold in radians
+constexpr f32 pinch_threshold = 0.5f;   // Threshold in pixels
+constexpr f32 press_delay = 0.5f;       // Time in seconds
+constexpr f32 double_tap_delay = 0.35f; // Time in seconds
+
+constexpr f32 Square(s32 num) {
+    return static_cast<f32>(num * num);
+}
+
+Gesture::Gesture(Core::HID::HIDCore& hid_core_) : ControllerBase(hid_core_) {
+    console = hid_core.GetEmulatedConsole();
+}
+Gesture::~Gesture() = default;
+
+void Gesture::OnInit() {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    shared_memory = &data->shared_memory_format->gesture;
+    shared_memory->gesture_lifo.buffer_count = 0;
+    shared_memory->gesture_lifo.buffer_tail = 0;
+    force_update = true;
+}
+
+void Gesture::OnRelease() {}
+
+void Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    std::scoped_lock shared_lock{*shared_mutex};
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    shared_memory = &data->shared_memory_format->gesture;
+
+    if (!IsControllerActivated()) {
+        shared_memory->gesture_lifo.buffer_count = 0;
+        shared_memory->gesture_lifo.buffer_tail = 0;
+        return;
+    }
+
+    ReadTouchInput();
+
+    GestureProperties gesture = GetGestureProperties();
+    f32 time_difference =
+        static_cast<f32>(shared_memory->gesture_lifo.timestamp - last_update_timestamp) /
+        (1000 * 1000 * 1000);
+
+    // Only update if necessary
+    if (!ShouldUpdateGesture(gesture, time_difference)) {
+        return;
+    }
+
+    last_update_timestamp = shared_memory->gesture_lifo.timestamp;
+    UpdateGestureSharedMemory(gesture, time_difference);
+}
+
+void Gesture::ReadTouchInput() {
+    if (!Settings::values.touchscreen.enabled) {
+        fingers = {};
+        return;
+    }
+
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < fingers.size(); ++id) {
+        fingers[id] = touch_status[id];
+    }
+}
+
+bool Gesture::ShouldUpdateGesture(const GestureProperties& gesture, f32 time_difference) {
+    const auto& last_entry = GetLastGestureEntry();
+    if (force_update) {
+        force_update = false;
+        return true;
+    }
+
+    // Update if coordinates change
+    for (size_t id = 0; id < MAX_POINTS; id++) {
+        if (gesture.points[id] != last_gesture.points[id]) {
+            return true;
+        }
+    }
+
+    // Update on press and hold event after 0.5 seconds
+    if (last_entry.type == GestureType::Touch && last_entry.point_count == 1 &&
+        time_difference > press_delay) {
+        return enable_press_and_tap;
+    }
+
+    return false;
+}
+
+void Gesture::UpdateGestureSharedMemory(GestureProperties& gesture, f32 time_difference) {
+    GestureType type = GestureType::Idle;
+    GestureAttribute attributes{};
+
+    const auto& last_entry = shared_memory->gesture_lifo.ReadCurrentEntry().state;
+
+    // Reset next state to default
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.delta = {};
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
+    next_state.direction = GestureDirection::None;
+    next_state.rotation_angle = 0;
+    next_state.scale = 0;
+
+    if (gesture.active_points > 0) {
+        if (last_gesture.active_points == 0) {
+            NewGesture(gesture, type, attributes);
+        } else {
+            UpdateExistingGesture(gesture, type, time_difference);
+        }
+    } else {
+        EndGesture(gesture, last_gesture, type, attributes, time_difference);
+    }
+
+    // Apply attributes
+    next_state.detection_count = gesture.detection_count;
+    next_state.type = type;
+    next_state.attributes = attributes;
+    next_state.pos = gesture.mid_point;
+    next_state.point_count = static_cast<s32>(gesture.active_points);
+    next_state.points = gesture.points;
+    last_gesture = gesture;
+
+    shared_memory->gesture_lifo.WriteNextEntry(next_state);
+}
+
+void Gesture::NewGesture(GestureProperties& gesture, GestureType& type,
+                         GestureAttribute& attributes) {
+    const auto& last_entry = GetLastGestureEntry();
+
+    gesture.detection_count++;
+    type = GestureType::Touch;
+
+    // New touch after cancel is not considered new
+    if (last_entry.type != GestureType::Cancel) {
+        attributes.is_new_touch.Assign(1);
+        enable_press_and_tap = true;
+    }
+}
+
+void Gesture::UpdateExistingGesture(GestureProperties& gesture, GestureType& type,
+                                    f32 time_difference) {
+    const auto& last_entry = GetLastGestureEntry();
+
+    // Promote to pan type if touch moved
+    for (size_t id = 0; id < MAX_POINTS; id++) {
+        if (gesture.points[id] != last_gesture.points[id]) {
+            type = GestureType::Pan;
+            break;
+        }
+    }
+
+    // Number of fingers changed cancel the last event and clear data
+    if (gesture.active_points != last_gesture.active_points) {
+        type = GestureType::Cancel;
+        enable_press_and_tap = false;
+        gesture.active_points = 0;
+        gesture.mid_point = {};
+        gesture.points.fill({});
+        return;
+    }
+
+    // Calculate extra parameters of panning
+    if (type == GestureType::Pan) {
+        UpdatePanEvent(gesture, last_gesture, type, time_difference);
+        return;
+    }
+
+    // Promote to press type
+    if (last_entry.type == GestureType::Touch) {
+        type = GestureType::Press;
+    }
+}
+
+void Gesture::EndGesture(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                         GestureType& type, GestureAttribute& attributes, f32 time_difference) {
+    const auto& last_entry = GetLastGestureEntry();
+
+    if (last_gesture_props.active_points != 0) {
+        switch (last_entry.type) {
+        case GestureType::Touch:
+            if (enable_press_and_tap) {
+                SetTapEvent(gesture, last_gesture_props, type, attributes);
+                return;
+            }
+            type = GestureType::Cancel;
+            force_update = true;
+            break;
+        case GestureType::Press:
+        case GestureType::Tap:
+        case GestureType::Swipe:
+        case GestureType::Pinch:
+        case GestureType::Rotate:
+            type = GestureType::Complete;
+            force_update = true;
+            break;
+        case GestureType::Pan:
+            EndPanEvent(gesture, last_gesture_props, type, time_difference);
+            break;
+        default:
+            break;
+        }
+        return;
+    }
+    if (last_entry.type == GestureType::Complete || last_entry.type == GestureType::Cancel) {
+        gesture.detection_count++;
+    }
+}
+
+void Gesture::SetTapEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                          GestureType& type, GestureAttribute& attributes) {
+    type = GestureType::Tap;
+    gesture = last_gesture_props;
+    force_update = true;
+    f32 tap_time_difference =
+        static_cast<f32>(last_update_timestamp - last_tap_timestamp) / (1000 * 1000 * 1000);
+    last_tap_timestamp = last_update_timestamp;
+    if (tap_time_difference < double_tap_delay) {
+        attributes.is_double_tap.Assign(1);
+    }
+}
+
+void Gesture::UpdatePanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                             GestureType& type, f32 time_difference) {
+    const auto& last_entry = GetLastGestureEntry();
+
+    next_state.delta = gesture.mid_point - last_entry.pos;
+    next_state.vel_x = static_cast<f32>(next_state.delta.x) / time_difference;
+    next_state.vel_y = static_cast<f32>(next_state.delta.y) / time_difference;
+    last_pan_time_difference = time_difference;
+
+    // Promote to pinch type
+    if (std::abs(gesture.average_distance - last_gesture_props.average_distance) >
+        pinch_threshold) {
+        type = GestureType::Pinch;
+        next_state.scale = gesture.average_distance / last_gesture_props.average_distance;
+    }
+
+    const f32 angle_between_two_lines = std::atan((gesture.angle - last_gesture_props.angle) /
+                                                  (1 + (gesture.angle * last_gesture_props.angle)));
+    // Promote to rotate type
+    if (std::abs(angle_between_two_lines) > angle_threshold) {
+        type = GestureType::Rotate;
+        next_state.scale = 0;
+        next_state.rotation_angle = angle_between_two_lines * 180.0f / Common::PI;
+    }
+}
+
+void Gesture::EndPanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                          GestureType& type, f32 time_difference) {
+    const auto& last_entry = GetLastGestureEntry();
+    next_state.vel_x =
+        static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
+    next_state.vel_y =
+        static_cast<f32>(last_entry.delta.y) / (last_pan_time_difference + time_difference);
+    const f32 curr_vel =
+        std::sqrt((next_state.vel_x * next_state.vel_x) + (next_state.vel_y * next_state.vel_y));
+
+    // Set swipe event with parameters
+    if (curr_vel > swipe_threshold) {
+        SetSwipeEvent(gesture, last_gesture_props, type);
+        return;
+    }
+
+    // End panning without swipe
+    type = GestureType::Complete;
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
+    force_update = true;
+}
+
+void Gesture::SetSwipeEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                            GestureType& type) {
+    const auto& last_entry = GetLastGestureEntry();
+
+    type = GestureType::Swipe;
+    gesture = last_gesture_props;
+    force_update = true;
+    next_state.delta = last_entry.delta;
+
+    if (std::abs(next_state.delta.x) > std::abs(next_state.delta.y)) {
+        if (next_state.delta.x > 0) {
+            next_state.direction = GestureDirection::Right;
+            return;
+        }
+        next_state.direction = GestureDirection::Left;
+        return;
+    }
+    if (next_state.delta.y > 0) {
+        next_state.direction = GestureDirection::Down;
+        return;
+    }
+    next_state.direction = GestureDirection::Up;
+}
+
+const GestureState& Gesture::GetLastGestureEntry() const {
+    return shared_memory->gesture_lifo.ReadCurrentEntry().state;
+}
+
+GestureProperties Gesture::GetGestureProperties() {
+    GestureProperties gesture;
+    std::array<Core::HID::TouchFinger, MAX_POINTS> active_fingers;
+    const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
+                                       [](const auto& finger) { return finger.pressed; });
+    gesture.active_points =
+        static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
+
+    for (size_t id = 0; id < gesture.active_points; ++id) {
+        const auto& [active_x, active_y] = active_fingers[id].position;
+        gesture.points[id] = {
+            .x = static_cast<s32>(active_x * Layout::ScreenUndocked::Width),
+            .y = static_cast<s32>(active_y * Layout::ScreenUndocked::Height),
+        };
+
+        // Hack: There is no touch in docked but games still allow it
+        if (Settings::IsDockedMode()) {
+            gesture.points[id] = {
+                .x = static_cast<s32>(active_x * Layout::ScreenDocked::Width),
+                .y = static_cast<s32>(active_y * Layout::ScreenDocked::Height),
+            };
+        }
+
+        gesture.mid_point.x += static_cast<s32>(gesture.points[id].x / gesture.active_points);
+        gesture.mid_point.y += static_cast<s32>(gesture.points[id].y / gesture.active_points);
+    }
+
+    for (size_t id = 0; id < gesture.active_points; ++id) {
+        const f32 distance = std::sqrt(Square(gesture.mid_point.x - gesture.points[id].x) +
+                                       Square(gesture.mid_point.y - gesture.points[id].y));
+        gesture.average_distance += distance / static_cast<f32>(gesture.active_points);
+    }
+
+    gesture.angle = std::atan2(static_cast<f32>(gesture.mid_point.y - gesture.points[0].y),
+                               static_cast<f32>(gesture.mid_point.x - gesture.points[0].x));
+
+    gesture.detection_count = last_gesture.detection_count;
+
+    return gesture;
+}
+
+} // namespace Service::HID

src/hid_core/resources/touch_screen/gesture.h

@@ -0,0 +1,87 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/touch_screen/touch_types.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+}
+
+namespace Service::HID {
+struct GestureSharedMemoryFormat;
+
+class Gesture final : public ControllerBase {
+public:
+    explicit Gesture(Core::HID::HIDCore& hid_core_);
+    ~Gesture() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    // Reads input from all available input engines
+    void ReadTouchInput();
+
+    // Returns true if gesture state needs to be updated
+    bool ShouldUpdateGesture(const GestureProperties& gesture, f32 time_difference);
+
+    // Updates the shared memory to the next state
+    void UpdateGestureSharedMemory(GestureProperties& gesture, f32 time_difference);
+
+    // Initializes new gesture
+    void NewGesture(GestureProperties& gesture, GestureType& type, GestureAttribute& attributes);
+
+    // Updates existing gesture state
+    void UpdateExistingGesture(GestureProperties& gesture, GestureType& type, f32 time_difference);
+
+    // Terminates exiting gesture
+    void EndGesture(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                    GestureType& type, GestureAttribute& attributes, f32 time_difference);
+
+    // Set current event to a tap event
+    void SetTapEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                     GestureType& type, GestureAttribute& attributes);
+
+    // Calculates and set the extra parameters related to a pan event
+    void UpdatePanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                        GestureType& type, f32 time_difference);
+
+    // Terminates the pan event
+    void EndPanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                     GestureType& type, f32 time_difference);
+
+    // Set current event to a swipe event
+    void SetSwipeEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
+                       GestureType& type);
+
+    // Retrieves the last gesture entry, as indicated by shared memory indices.
+    [[nodiscard]] const GestureState& GetLastGestureEntry() const;
+
+    // Returns the average distance, angle and middle point of the active fingers
+    GestureProperties GetGestureProperties();
+
+    GestureState next_state{};
+    GestureSharedMemoryFormat* shared_memory;
+    Core::HID::EmulatedConsole* console = nullptr;
+
+    std::array<Core::HID::TouchFinger, MAX_POINTS> fingers{};
+    GestureProperties last_gesture{};
+    s64 last_update_timestamp{};
+    s64 last_tap_timestamp{};
+    f32 last_pan_time_difference{};
+    bool force_update{false};
+    bool enable_press_and_tap{false};
+};
+} // namespace Service::HID

src/hid_core/resources/touch_screen/gesture_types.h

@@ -0,0 +1,77 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "common/point.h"
+
+namespace Service::HID {
+static constexpr size_t MAX_FINGERS = 16;
+static constexpr size_t MAX_POINTS = 4;
+
+// This is nn::hid::GestureType
+enum class GestureType : u32 {
+    Idle,     // Nothing touching the screen
+    Complete, // Set at the end of a touch event
+    Cancel,   // Set when the number of fingers change
+    Touch,    // A finger just touched the screen
+    Press,    // Set if last type is touch and the finger hasn't moved
+    Tap,      // Fast press then release
+    Pan,      // All points moving together across the screen
+    Swipe,    // Fast press movement and release of a single point
+    Pinch,    // All points moving away/closer to the midpoint
+    Rotate,   // All points rotating from the midpoint
+};
+
+// This is nn::hid::GestureDirection
+enum class GestureDirection : u32 {
+    None,
+    Left,
+    Up,
+    Right,
+    Down,
+};
+
+// This is nn::hid::GestureAttribute
+struct GestureAttribute {
+    union {
+        u32 raw{};
+
+        BitField<4, 1, u32> is_new_touch;
+        BitField<8, 1, u32> is_double_tap;
+    };
+};
+static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
+
+// This is nn::hid::GestureState
+struct GestureState {
+    s64 sampling_number{};
+    s64 detection_count{};
+    GestureType type{GestureType::Idle};
+    GestureDirection direction{GestureDirection::None};
+    Common::Point<s32> pos{};
+    Common::Point<s32> delta{};
+    f32 vel_x{};
+    f32 vel_y{};
+    GestureAttribute attributes{};
+    f32 scale{};
+    f32 rotation_angle{};
+    s32 point_count{};
+    std::array<Common::Point<s32>, 4> points{};
+};
+static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
+
+struct GestureProperties {
+    std::array<Common::Point<s32>, MAX_POINTS> points{};
+    std::size_t active_points{};
+    Common::Point<s32> mid_point{};
+    s64 detection_count{};
+    u64 delta_time{};
+    f32 average_distance{};
+    f32 angle{};
+};
+
+} // namespace Service::HID

src/hid_core/resources/touch_screen/touch_screen.cpp

@@ -0,0 +1,132 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <algorithm>
+#include "common/common_types.h"
+#include "common/settings.h"
+#include "core/core_timing.h"
+#include "core/frontend/emu_window.h"
+#include "hid_core/frontend/emulated_console.h"
+#include "hid_core/hid_core.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/touch_screen/touch_screen.h"
+
+namespace Service::HID {
+
+TouchScreen::TouchScreen(Core::HID::HIDCore& hid_core_)
+    : ControllerBase{hid_core_}, touchscreen_width(Layout::ScreenUndocked::Width),
+      touchscreen_height(Layout::ScreenUndocked::Height) {
+    console = hid_core.GetEmulatedConsole();
+}
+
+TouchScreen::~TouchScreen() = default;
+
+void TouchScreen::OnInit() {}
+
+void TouchScreen::OnRelease() {}
+
+void TouchScreen::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    TouchScreenSharedMemoryFormat& shared_memory = data->shared_memory_format->touch_screen;
+    shared_memory.touch_screen_lifo.timestamp = core_timing.GetGlobalTimeNs().count();
+
+    if (!IsControllerActivated()) {
+        shared_memory.touch_screen_lifo.buffer_count = 0;
+        shared_memory.touch_screen_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < MAX_FINGERS; id++) {
+        const auto& current_touch = touch_status[id];
+        auto& finger = fingers[id];
+        finger.id = current_touch.id;
+
+        if (finger.attribute.start_touch) {
+            finger.attribute.raw = 0;
+            continue;
+        }
+
+        if (finger.attribute.end_touch) {
+            finger.attribute.raw = 0;
+            finger.pressed = false;
+            continue;
+        }
+
+        if (!finger.pressed && current_touch.pressed) {
+            // Ignore all touch fingers if disabled
+            if (!Settings::values.touchscreen.enabled) {
+                continue;
+            }
+
+            finger.attribute.start_touch.Assign(1);
+            finger.pressed = true;
+            finger.position = current_touch.position;
+            continue;
+        }
+
+        if (finger.pressed && !current_touch.pressed) {
+            finger.attribute.raw = 0;
+            finger.attribute.end_touch.Assign(1);
+            continue;
+        }
+
+        // Only update position if touch is not on a special frame
+        finger.position = current_touch.position;
+    }
+
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> active_fingers;
+    const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
+                                       [](const auto& finger) { return finger.pressed; });
+    const auto active_fingers_count =
+        static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
+
+    const u64 timestamp = static_cast<u64>(core_timing.GetGlobalTimeNs().count());
+    const auto& last_entry = shared_memory.touch_screen_lifo.ReadCurrentEntry().state;
+
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.entry_count = static_cast<s32>(active_fingers_count);
+
+    for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
+        auto& touch_entry = next_state.states[id];
+        if (id < active_fingers_count) {
+            const auto& [active_x, active_y] = active_fingers[id].position;
+            touch_entry.position = {
+                .x = static_cast<u16>(active_x * static_cast<float>(touchscreen_width)),
+                .y = static_cast<u16>(active_y * static_cast<float>(touchscreen_height)),
+            };
+            touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
+            touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
+            touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
+            touch_entry.delta_time = timestamp - active_fingers[id].last_touch;
+            fingers[active_fingers[id].id].last_touch = timestamp;
+            touch_entry.finger = active_fingers[id].id;
+            touch_entry.attribute.raw = active_fingers[id].attribute.raw;
+        } else {
+            // Clear touch entry
+            touch_entry.attribute.raw = 0;
+            touch_entry.position = {};
+            touch_entry.diameter_x = 0;
+            touch_entry.diameter_y = 0;
+            touch_entry.rotation_angle = 0;
+            touch_entry.delta_time = 0;
+            touch_entry.finger = 0;
+        }
+    }
+
+    shared_memory.touch_screen_lifo.WriteNextEntry(next_state);
+}
+
+void TouchScreen::SetTouchscreenDimensions(u32 width, u32 height) {
+    touchscreen_width = width;
+    touchscreen_height = height;
+}
+
+} // namespace Service::HID

src/hid_core/resources/touch_screen/touch_screen.h

@@ -0,0 +1,43 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "hid_core/hid_types.h"
+#include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/touch_screen/touch_types.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+} // namespace Core::HID
+
+namespace Service::HID {
+struct TouchScreenSharedMemoryFormat;
+
+class TouchScreen final : public ControllerBase {
+public:
+    explicit TouchScreen(Core::HID::HIDCore& hid_core_);
+    ~TouchScreen() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+    void SetTouchscreenDimensions(u32 width, u32 height);
+
+private:
+    TouchScreenState next_state{};
+    Core::HID::EmulatedConsole* console = nullptr;
+
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> fingers{};
+    u32 touchscreen_width;
+    u32 touchscreen_height;
+};
+} // namespace Service::HID

src/hid_core/resources/touch_screen/touch_types.h

@@ -0,0 +1,90 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include <array>
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/point.h"
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+static constexpr std::size_t MAX_FINGERS = 16;
+static constexpr size_t MAX_POINTS = 4;
+
+// This is nn::hid::GestureType
+enum class GestureType : u32 {
+    Idle,     // Nothing touching the screen
+    Complete, // Set at the end of a touch event
+    Cancel,   // Set when the number of fingers change
+    Touch,    // A finger just touched the screen
+    Press,    // Set if last type is touch and the finger hasn't moved
+    Tap,      // Fast press then release
+    Pan,      // All points moving together across the screen
+    Swipe,    // Fast press movement and release of a single point
+    Pinch,    // All points moving away/closer to the midpoint
+    Rotate,   // All points rotating from the midpoint
+};
+
+// This is nn::hid::GestureDirection
+enum class GestureDirection : u32 {
+    None,
+    Left,
+    Up,
+    Right,
+    Down,
+};
+
+// This is nn::hid::GestureAttribute
+struct GestureAttribute {
+    union {
+        u32 raw{};
+
+        BitField<4, 1, u32> is_new_touch;
+        BitField<8, 1, u32> is_double_tap;
+    };
+};
+static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
+
+// This is nn::hid::GestureState
+struct GestureState {
+    s64 sampling_number{};
+    s64 detection_count{};
+    GestureType type{GestureType::Idle};
+    GestureDirection direction{GestureDirection::None};
+    Common::Point<s32> pos{};
+    Common::Point<s32> delta{};
+    f32 vel_x{};
+    f32 vel_y{};
+    GestureAttribute attributes{};
+    f32 scale{};
+    f32 rotation_angle{};
+    s32 point_count{};
+    std::array<Common::Point<s32>, 4> points{};
+};
+static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
+
+struct GestureProperties {
+    std::array<Common::Point<s32>, MAX_POINTS> points{};
+    std::size_t active_points{};
+    Common::Point<s32> mid_point{};
+    s64 detection_count{};
+    u64 delta_time{};
+    f32 average_distance{};
+    f32 angle{};
+};
+
+// This is nn::hid::TouchScreenState
+struct TouchScreenState {
+    s64 sampling_number{};
+    s32 entry_count{};
+    INSERT_PADDING_BYTES(4); // Reserved
+    std::array<Core::HID::TouchState, MAX_FINGERS> states{};
+};
+static_assert(sizeof(TouchScreenState) == 0x290, "TouchScreenState is an invalid size");
+
+} // namespace Service::HID

src/hid_core/resources/unique_pad/unique_pad.cpp

@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core_timing.h"
+#include "hid_core/resources/applet_resource.h"
+#include "hid_core/resources/shared_memory_format.h"
+#include "hid_core/resources/unique_pad/unique_pad.h"
+
+namespace Service::HID {
+
+UniquePad::UniquePad(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {}
+
+UniquePad::~UniquePad() = default;
+
+void UniquePad::OnInit() {}
+
+void UniquePad::OnRelease() {}
+
+void UniquePad::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
+    if (!smart_update) {
+        return;
+    }
+
+    const u64 aruid = applet_resource->GetActiveAruid();
+    auto* data = applet_resource->GetAruidData(aruid);
+
+    if (data == nullptr || !data->flag.is_assigned) {
+        return;
+    }
+
+    auto& header = data->shared_memory_format->capture_button.header;
+    header.timestamp = core_timing.GetGlobalTimeNs().count();
+    header.total_entry_count = 17;
+    header.entry_count = 0;
+    header.last_entry_index = 0;
+}
+
+} // namespace Service::HID

src/hid_core/resources/unique_pad/unique_pad.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "hid_core/resources/controller_base.h"
+
+namespace Service::HID {
+
+class UniquePad final : public ControllerBase {
+public:
+    explicit UniquePad(Core::HID::HIDCore& hid_core_);
+    ~UniquePad() override;
+
+    // Called when the controller is initialized
+    void OnInit() override;
+
+    // When the controller is released
+    void OnRelease() override;
+
+    // When the controller is requesting an update for the shared memory
+    void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
+
+private:
+    bool smart_update{};
+};
+} // namespace Service::HID