1 files changed, 615 insertions, 0 deletions

diff --git a/src/input_common/drivers/joycon.cpp b/src/input_common/drivers/joycon.cpp
new file mode 100644
index 000000000..eab10d11c
--- /dev/null
+++ b/src/input_common/drivers/joycon.cpp
@@ -0,0 +1,615 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <fmt/format.h>
+
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "common/thread.h"
+#include "input_common/drivers/joycon.h"
+#include "input_common/helpers/joycon_driver.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon {
+
+Joycons::Joycons(const std::string& input_engine_) : InputEngine(input_engine_) {
+    LOG_INFO(Input, "Joycon driver Initialization started");
+    const int init_res = SDL_hid_init();
+    if (init_res == 0) {
+        Setup();
+    } else {
+        LOG_ERROR(Input, "Hidapi could not be initialized. failed with error = {}", init_res);
+    }
+}
+
+Joycons::~Joycons() {
+    Reset();
+}
+
+void Joycons::Reset() {
+    scan_thread = {};
+    for (const auto& device : left_joycons) {
+        if (!device) {
+            continue;
+        }
+        device->Stop();
+    }
+    for (const auto& device : right_joycons) {
+        if (!device) {
+            continue;
+        }
+        device->Stop();
+    }
+    for (const auto& device : pro_joycons) {
+        if (!device) {
+            continue;
+        }
+        device->Stop();
+    }
+    SDL_hid_exit();
+}
+
+void Joycons::Setup() {
+    u32 port = 0;
+    for (auto& device : left_joycons) {
+        PreSetController(GetIdentifier(port, Joycon::ControllerType::Left));
+        device = std::make_shared<Joycon::JoyconDriver>(port++);
+    }
+    for (auto& device : right_joycons) {
+        PreSetController(GetIdentifier(port, Joycon::ControllerType::Right));
+        device = std::make_shared<Joycon::JoyconDriver>(port++);
+    }
+    for (auto& device : pro_joycons) {
+        PreSetController(GetIdentifier(port, Joycon::ControllerType::Pro));
+        device = std::make_shared<Joycon::JoyconDriver>(port++);
+    }
+
+    if (!scan_thread_running) {
+        scan_thread = std::jthread([this](std::stop_token stop_token) { ScanThread(stop_token); });
+    }
+}
+
+void Joycons::ScanThread(std::stop_token stop_token) {
+    constexpr u16 nintendo_vendor_id = 0x057e;
+    Common::SetCurrentThreadName("yuzu:input:JoyconScanThread");
+    scan_thread_running = true;
+    while (!stop_token.stop_requested()) {
+        SDL_hid_device_info* devs = SDL_hid_enumerate(nintendo_vendor_id, 0x0);
+        SDL_hid_device_info* cur_dev = devs;
+
+        while (cur_dev) {
+            if (IsDeviceNew(cur_dev)) {
+                LOG_DEBUG(Input, "Device Found,type : {:04X} {:04X}", cur_dev->vendor_id,
+                          cur_dev->product_id);
+                RegisterNewDevice(cur_dev);
+            }
+            cur_dev = cur_dev->next;
+        }
+
+        std::this_thread::sleep_for(std::chrono::seconds(5));
+    }
+    scan_thread_running = false;
+}
+
+bool Joycons::IsDeviceNew(SDL_hid_device_info* device_info) const {
+    Joycon::ControllerType type{};
+    Joycon::SerialNumber serial_number{};
+
+    const auto result = Joycon::JoyconDriver::GetDeviceType(device_info, type);
+    if (result != Joycon::DriverResult::Success) {
+        return false;
+    }
+
+    const auto result2 = Joycon::JoyconDriver::GetSerialNumber(device_info, serial_number);
+    if (result2 != Joycon::DriverResult::Success) {
+        return false;
+    }
+
+    auto is_handle_identical = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
+        if (!device) {
+            return false;
+        }
+        if (!device->IsConnected()) {
+            return false;
+        }
+        if (device->GetHandleSerialNumber() != serial_number) {
+            return false;
+        }
+        return true;
+    };
+
+    // Check if device already exist
+    switch (type) {
+    case Joycon::ControllerType::Left:
+        for (const auto& device : left_joycons) {
+            if (is_handle_identical(device)) {
+                return false;
+            }
+        }
+        break;
+    case Joycon::ControllerType::Right:
+        for (const auto& device : right_joycons) {
+            if (is_handle_identical(device)) {
+                return false;
+            }
+        }
+        break;
+    case Joycon::ControllerType::Pro:
+    case Joycon::ControllerType::Grip:
+        for (const auto& device : pro_joycons) {
+            if (is_handle_identical(device)) {
+                return false;
+            }
+        }
+        break;
+    default:
+        return false;
+    }
+
+    return true;
+}
+
+void Joycons::RegisterNewDevice(SDL_hid_device_info* device_info) {
+    Joycon::ControllerType type{};
+    auto result = Joycon::JoyconDriver::GetDeviceType(device_info, type);
+    auto handle = GetNextFreeHandle(type);
+    if (handle == nullptr) {
+        LOG_WARNING(Input, "No free handles available");
+        return;
+    }
+    if (result == Joycon::DriverResult::Success) {
+        result = handle->RequestDeviceAccess(device_info);
+    }
+    if (result == Joycon::DriverResult::Success) {
+        LOG_WARNING(Input, "Initialize device");
+
+        std::function<void(Joycon::Battery)> on_battery_data;
+        std::function<void(Joycon::Color)> on_button_data;
+        std::function<void(int, f32)> on_stick_data;
+        std::function<void(int, std::array<u8, 6>)> on_motion_data;
+        std::function<void(s16)> on_ring_data;
+        std::function<void(const std::vector<u8>&)> on_amiibo_data;
+
+        const std::size_t port = handle->GetDevicePort();
+        handle->on_battery_data = {
+            [this, port, type](Joycon::Battery value) { OnBatteryUpdate(port, type, value); }};
+        handle->on_color_data = {
+            [this, port, type](Joycon::Color value) { OnColorUpdate(port, type, value); }};
+        handle->on_button_data = {
+            [this, port, type](int id, bool value) { OnButtonUpdate(port, type, id, value); }};
+        handle->on_stick_data = {
+            [this, port, type](int id, f32 value) { OnStickUpdate(port, type, id, value); }};
+        handle->on_motion_data = {[this, port, type](int id, Joycon::MotionData value) {
+            OnMotionUpdate(port, type, id, value);
+        }};
+        handle->on_ring_data = {[this](f32 ring_data) { OnRingConUpdate(ring_data); }};
+        handle->on_amiibo_data = {[this, port](const std::vector<u8>& amiibo_data) {
+            OnAmiiboUpdate(port, amiibo_data);
+        }};
+        handle->InitializeDevice();
+    }
+}
+
+std::shared_ptr<Joycon::JoyconDriver> Joycons::GetNextFreeHandle(
+    Joycon::ControllerType type) const {
+
+    if (type == Joycon::ControllerType::Left) {
+        for (const auto& device : left_joycons) {
+            if (!device->IsConnected()) {
+                return device;
+            }
+        }
+    }
+    if (type == Joycon::ControllerType::Right) {
+        for (const auto& device : right_joycons) {
+            if (!device->IsConnected()) {
+                return device;
+            }
+        }
+    }
+    if (type == Joycon::ControllerType::Pro || type == Joycon::ControllerType::Grip) {
+        for (const auto& device : pro_joycons) {
+            if (!device->IsConnected()) {
+                return device;
+            }
+        }
+    }
+    return nullptr;
+}
+
+bool Joycons::IsVibrationEnabled(const PadIdentifier& identifier) {
+    const auto handle = GetHandle(identifier);
+    if (handle == nullptr) {
+        return false;
+    }
+    return handle->IsVibrationEnabled();
+}
+
+Common::Input::VibrationError Joycons::SetVibration(
+    const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
+    const Joycon::VibrationValue native_vibration{
+        .low_amplitude = vibration.low_amplitude,
+        .low_frequency = vibration.low_frequency,
+        .high_amplitude = vibration.high_amplitude,
+        .high_frequency = vibration.high_amplitude,
+    };
+    auto handle = GetHandle(identifier);
+    if (handle == nullptr) {
+        return Common::Input::VibrationError::InvalidHandle;
+    }
+
+    handle->SetVibration(native_vibration);
+    return Common::Input::VibrationError::None;
+}
+
+void Joycons::SetLeds(const PadIdentifier& identifier, const Common::Input::LedStatus& led_status) {
+    auto handle = GetHandle(identifier);
+    if (handle == nullptr) {
+        return;
+    }
+    int led_config = led_status.led_1 ? 1 : 0;
+    led_config += led_status.led_2 ? 2 : 0;
+    led_config += led_status.led_3 ? 4 : 0;
+    led_config += led_status.led_4 ? 8 : 0;
+
+    const auto result = handle->SetLedConfig(static_cast<u8>(led_config));
+    if (result != Joycon::DriverResult::Success) {
+        LOG_ERROR(Input, "Failed to set led config");
+    }
+}
+
+Common::Input::CameraError Joycons::SetCameraFormat(const PadIdentifier& identifier_,
+                                                    Common::Input::CameraFormat camera_format) {
+    return Common::Input::CameraError::NotSupported;
+};
+
+Common::Input::NfcState Joycons::SupportsNfc(const PadIdentifier& identifier_) const {
+    return Common::Input::NfcState::Success;
+};
+
+Common::Input::NfcState Joycons::WriteNfcData(const PadIdentifier& identifier_,
+                                              const std::vector<u8>& data) {
+    return Common::Input::NfcState::NotSupported;
+};
+
+Common::Input::PollingError Joycons::SetPollingMode(const PadIdentifier& identifier,
+                                                    const Common::Input::PollingMode polling_mode) {
+    auto handle = GetHandle(identifier);
+    if (handle == nullptr) {
+        LOG_ERROR(Input, "Invalid handle {}", identifier.port);
+        return Common::Input::PollingError::InvalidHandle;
+    }
+
+    switch (polling_mode) {
+    case Common::Input::PollingMode::NFC:
+        handle->SetNfcMode();
+        break;
+    case Common::Input::PollingMode::Active:
+        handle->SetActiveMode();
+        break;
+    case Common::Input::PollingMode::Pasive:
+        handle->SetPasiveMode();
+        break;
+    case Common::Input::PollingMode::Ring:
+        handle->SetRingConMode();
+        break;
+    default:
+        return Common::Input::PollingError::NotSupported;
+    }
+
+    return Common::Input::PollingError::None;
+}
+
+void Joycons::OnBatteryUpdate(std::size_t port, Joycon::ControllerType type,
+                              Joycon::Battery value) {
+    const auto identifier = GetIdentifier(port, type);
+    if (value.charging != 0) {
+        SetBattery(identifier, Common::Input::BatteryLevel::Charging);
+        return;
+    }
+
+    Common::Input::BatteryLevel battery{value.status.Value()};
+    switch (value.status) {
+    case 0:
+        battery = Common::Input::BatteryLevel::Empty;
+        break;
+    case 1:
+        battery = Common::Input::BatteryLevel::Critical;
+        break;
+    case 2:
+        battery = Common::Input::BatteryLevel::Low;
+        break;
+    case 3:
+        battery = Common::Input::BatteryLevel::Medium;
+        break;
+    case 4:
+    default:
+        battery = Common::Input::BatteryLevel::Full;
+        break;
+    }
+    SetBattery(identifier, battery);
+}
+
+void Joycons::OnColorUpdate(std::size_t port, Joycon::ControllerType type,
+                            const Joycon::Color& value) {}
+
+void Joycons::OnButtonUpdate(std::size_t port, Joycon::ControllerType type, int id, bool value) {
+    const auto identifier = GetIdentifier(port, type);
+    SetButton(identifier, id, value);
+}
+
+void Joycons::OnStickUpdate(std::size_t port, Joycon::ControllerType type, int id, f32 value) {
+    const auto identifier = GetIdentifier(port, type);
+    SetAxis(identifier, id, value);
+}
+
+void Joycons::OnMotionUpdate(std::size_t port, Joycon::ControllerType type, int id,
+                             const Joycon::MotionData& value) {
+    const auto identifier = GetIdentifier(port, type);
+    BasicMotion motion_data{
+        .gyro_x = value.gyro_x,
+        .gyro_y = value.gyro_y,
+        .gyro_z = value.gyro_z,
+        .accel_x = value.accel_x,
+        .accel_y = value.accel_y,
+        .accel_z = value.accel_z,
+        .delta_timestamp = 15000,
+    };
+    SetMotion(identifier, id, motion_data);
+}
+
+void Joycons::OnRingConUpdate(f32 ring_data) {
+    // To simplify ring detection it will always be mapped to an empty identifier for all
+    // controllers
+    constexpr PadIdentifier identifier = {
+        .guid = Common::UUID{},
+        .port = 0,
+        .pad = 0,
+    };
+    SetAxis(identifier, 100, ring_data);
+}
+
+void Joycons::OnAmiiboUpdate(std::size_t port, const std::vector<u8>& amiibo_data) {
+    const auto identifier = GetIdentifier(port, Joycon::ControllerType::Right);
+    SetNfc(identifier, {Common::Input::NfcState::NewAmiibo, amiibo_data});
+}
+
+std::shared_ptr<Joycon::JoyconDriver> Joycons::GetHandle(PadIdentifier identifier) const {
+    auto is_handle_active = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
+        if (!device) {
+            return false;
+        }
+        if (!device->IsConnected()) {
+            return false;
+        }
+        if (device->GetDevicePort() == identifier.port) {
+            return true;
+        }
+        return false;
+    };
+    const auto type = static_cast<Joycon::ControllerType>(identifier.pad);
+    if (type == Joycon::ControllerType::Left) {
+        for (const auto& device : left_joycons) {
+            if (is_handle_active(device)) {
+                return device;
+            }
+        }
+    }
+    if (type == Joycon::ControllerType::Right) {
+        for (const auto& device : right_joycons) {
+            if (is_handle_active(device)) {
+                return device;
+            }
+        }
+    }
+    if (type == Joycon::ControllerType::Pro || type == Joycon::ControllerType::Grip) {
+        for (const auto& device : pro_joycons) {
+            if (is_handle_active(device)) {
+                return device;
+            }
+        }
+    }
+    return nullptr;
+}
+
+PadIdentifier Joycons::GetIdentifier(std::size_t port, Joycon::ControllerType type) const {
+    return {
+        .guid = Common::UUID{Common::InvalidUUID},
+        .port = port,
+        .pad = static_cast<std::size_t>(type),
+    };
+}
+
+std::vector<Common::ParamPackage> Joycons::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices{};
+
+    auto add_entry = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
+        if (!device) {
+            return;
+        }
+        if (!device->IsConnected()) {
+            return;
+        }
+        std::string name = fmt::format("{} {}", JoyconName(device->GetHandleDeviceType()),
+                                       device->GetDevicePort());
+        devices.emplace_back(Common::ParamPackage{
+            {"engine", GetEngineName()},
+            {"display", std::move(name)},
+            {"port", std::to_string(device->GetDevicePort())},
+            {"pad", std::to_string(static_cast<std::size_t>(device->GetHandleDeviceType()))},
+        });
+    };
+
+    for (const auto& controller : left_joycons) {
+        add_entry(controller);
+    }
+    for (const auto& controller : right_joycons) {
+        add_entry(controller);
+    }
+    for (const auto& controller : pro_joycons) {
+        add_entry(controller);
+    }
+
+    return devices;
+}
+
+ButtonMapping Joycons::GetButtonMappingForDevice(const Common::ParamPackage& params) {
+    static constexpr std::array<std::pair<Settings::NativeButton::Values, Joycon::PadButton>, 20>
+        switch_to_joycon_button = {
+            std::pair{Settings::NativeButton::A, Joycon::PadButton::A},
+            {Settings::NativeButton::B, Joycon::PadButton::B},
+            {Settings::NativeButton::X, Joycon::PadButton::X},
+            {Settings::NativeButton::Y, Joycon::PadButton::Y},
+            {Settings::NativeButton::DLeft, Joycon::PadButton::Left},
+            {Settings::NativeButton::DUp, Joycon::PadButton::Up},
+            {Settings::NativeButton::DRight, Joycon::PadButton::Right},
+            {Settings::NativeButton::DDown, Joycon::PadButton::Down},
+            {Settings::NativeButton::SL, Joycon::PadButton::LeftSL},
+            {Settings::NativeButton::SR, Joycon::PadButton::LeftSR},
+            {Settings::NativeButton::L, Joycon::PadButton::L},
+            {Settings::NativeButton::R, Joycon::PadButton::R},
+            {Settings::NativeButton::ZL, Joycon::PadButton::ZL},
+            {Settings::NativeButton::ZR, Joycon::PadButton::ZR},
+            {Settings::NativeButton::Plus, Joycon::PadButton::Plus},
+            {Settings::NativeButton::Minus, Joycon::PadButton::Minus},
+            {Settings::NativeButton::Home, Joycon::PadButton::Home},
+            {Settings::NativeButton::Screenshot, Joycon::PadButton::Capture},
+            {Settings::NativeButton::LStick, Joycon::PadButton::StickL},
+            {Settings::NativeButton::RStick, Joycon::PadButton::StickR},
+        };
+
+    if (!params.Has("port")) {
+        return {};
+    }
+
+    ButtonMapping mapping{};
+    for (const auto& [switch_button, joycon_button] : switch_to_joycon_button) {
+        Common::ParamPackage button_params{};
+        button_params.Set("engine", GetEngineName());
+        button_params.Set("port", params.Get("port", 0));
+        button_params.Set("button", static_cast<int>(joycon_button));
+        mapping.insert_or_assign(switch_button, std::move(button_params));
+    }
+
+    return mapping;
+}
+
+AnalogMapping Joycons::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("port")) {
+        return {};
+    }
+
+    AnalogMapping mapping = {};
+    Common::ParamPackage left_analog_params;
+    left_analog_params.Set("engine", GetEngineName());
+    left_analog_params.Set("port", params.Get("port", 0));
+    left_analog_params.Set("axis_x", static_cast<int>(Joycon::PadAxes::LeftStickX));
+    left_analog_params.Set("axis_y", static_cast<int>(Joycon::PadAxes::LeftStickY));
+    mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
+    Common::ParamPackage right_analog_params;
+    right_analog_params.Set("engine", GetEngineName());
+    right_analog_params.Set("port", params.Get("port", 0));
+    right_analog_params.Set("axis_x", static_cast<int>(Joycon::PadAxes::RightStickX));
+    right_analog_params.Set("axis_y", static_cast<int>(Joycon::PadAxes::RightStickY));
+    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
+    return mapping;
+}
+
+MotionMapping Joycons::GetMotionMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("port")) {
+        return {};
+    }
+
+    MotionMapping mapping = {};
+    Common::ParamPackage left_motion_params;
+    left_motion_params.Set("engine", GetEngineName());
+    left_motion_params.Set("port", params.Get("port", 0));
+    left_motion_params.Set("motion", 0);
+    mapping.insert_or_assign(Settings::NativeMotion::MotionLeft, std::move(left_motion_params));
+    Common::ParamPackage right_Motion_params;
+    right_Motion_params.Set("engine", GetEngineName());
+    right_Motion_params.Set("port", params.Get("port", 0));
+    right_Motion_params.Set("motion", 1);
+    mapping.insert_or_assign(Settings::NativeMotion::MotionRight, std::move(right_Motion_params));
+    return mapping;
+}
+
+Common::Input::ButtonNames Joycons::GetUIButtonName(const Common::ParamPackage& params) const {
+    const auto button = static_cast<Joycon::PadButton>(params.Get("button", 0));
+    switch (button) {
+    case Joycon::PadButton::Left:
+        return Common::Input::ButtonNames::ButtonLeft;
+    case Joycon::PadButton::Right:
+        return Common::Input::ButtonNames::ButtonRight;
+    case Joycon::PadButton::Down:
+        return Common::Input::ButtonNames::ButtonDown;
+    case Joycon::PadButton::Up:
+        return Common::Input::ButtonNames::ButtonUp;
+    case Joycon::PadButton::LeftSL:
+    case Joycon::PadButton::RightSL:
+        return Common::Input::ButtonNames::TriggerSL;
+    case Joycon::PadButton::LeftSR:
+    case Joycon::PadButton::RightSR:
+        return Common::Input::ButtonNames::TriggerSR;
+    case Joycon::PadButton::L:
+        return Common::Input::ButtonNames::TriggerL;
+    case Joycon::PadButton::R:
+        return Common::Input::ButtonNames::TriggerR;
+    case Joycon::PadButton::ZL:
+        return Common::Input::ButtonNames::TriggerZL;
+    case Joycon::PadButton::ZR:
+        return Common::Input::ButtonNames::TriggerZR;
+    case Joycon::PadButton::A:
+        return Common::Input::ButtonNames::ButtonA;
+    case Joycon::PadButton::B:
+        return Common::Input::ButtonNames::ButtonB;
+    case Joycon::PadButton::X:
+        return Common::Input::ButtonNames::ButtonX;
+    case Joycon::PadButton::Y:
+        return Common::Input::ButtonNames::ButtonY;
+    case Joycon::PadButton::Plus:
+        return Common::Input::ButtonNames::ButtonPlus;
+    case Joycon::PadButton::Minus:
+        return Common::Input::ButtonNames::ButtonMinus;
+    case Joycon::PadButton::Home:
+        return Common::Input::ButtonNames::ButtonHome;
+    case Joycon::PadButton::Capture:
+        return Common::Input::ButtonNames::ButtonCapture;
+    case Joycon::PadButton::StickL:
+        return Common::Input::ButtonNames::ButtonStickL;
+    case Joycon::PadButton::StickR:
+        return Common::Input::ButtonNames::ButtonStickR;
+    default:
+        return Common::Input::ButtonNames::Undefined;
+    }
+}
+
+Common::Input::ButtonNames Joycons::GetUIName(const Common::ParamPackage& params) const {
+    if (params.Has("button")) {
+        return GetUIButtonName(params);
+    }
+    if (params.Has("axis")) {
+        return Common::Input::ButtonNames::Value;
+    }
+    if (params.Has("motion")) {
+        return Common::Input::ButtonNames::Engine;
+    }
+
+    return Common::Input::ButtonNames::Invalid;
+}
+
+std::string Joycons::JoyconName(Joycon::ControllerType type) const {
+    switch (type) {
+    case Joycon::ControllerType::Left:
+        return "Left Joycon";
+    case Joycon::ControllerType::Right:
+        return "Right Joycon";
+    case Joycon::ControllerType::Pro:
+        return "Pro Controller";
+    case Joycon::ControllerType::Grip:
+        return "Grip Controller";
+    default:
+        return "Unknow Joycon";
+    }
+}
+} // namespace InputCommon