input_common: Add support for joycon input reports

src/input_common/CMakeLists.txt

@@ -64,6 +64,10 @@ if (ENABLE_SDL2)
         helpers/joycon_protocol/generic_functions.cpp
         helpers/joycon_protocol/generic_functions.h
         helpers/joycon_protocol/joycon_types.h
+        helpers/joycon_protocol/poller.cpp
+        helpers/joycon_protocol/poller.h
+        helpers/joycon_protocol/rumble.cpp
+        helpers/joycon_protocol/rumble.h
     )
     target_link_libraries(input_common PRIVATE SDL2::SDL2)
     target_compile_definitions(input_common PRIVATE HAVE_SDL2)

src/input_common/drivers/joycon.cpp

@@ -167,30 +167,31 @@ void Joycons::RegisterNewDevice(SDL_hid_device_info* 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 = {
+        const Joycon::JoyconCallbacks callbacks{
-            [this, port, type](Joycon::Battery value) { OnBatteryUpdate(port, type, value); }};
+            .on_battery_data = {[this, port, type](Joycon::Battery value) {
-        handle->on_color_data = {
+                OnBatteryUpdate(port, type, value);
-            [this, port, type](Joycon::Color value) { OnColorUpdate(port, type, value); }};
+            }},
-        handle->on_button_data = {
+            .on_color_data = {[this, port, type](Joycon::Color value) {
-            [this, port, type](int id, bool value) { OnButtonUpdate(port, type, id, value); }};
+                OnColorUpdate(port, type, value);
-        handle->on_stick_data = {
+            }},
-            [this, port, type](int id, f32 value) { OnStickUpdate(port, type, id, value); }};
+            .on_button_data = {[this, port, type](int id, bool value) {
-        handle->on_motion_data = {[this, port, type](int id, Joycon::MotionData value) {
+                OnButtonUpdate(port, type, id, value);
+            }},
+            .on_stick_data = {[this, port, type](int id, f32 value) {
+                OnStickUpdate(port, type, id, value);
+            }},
+            .on_motion_data = {[this, port, type](int id, const Joycon::MotionData& value) {
                 OnMotionUpdate(port, type, id, value);
-        }};
+            }},
-        handle->on_ring_data = {[this](f32 ring_data) { OnRingConUpdate(ring_data); }};
+            .on_ring_data = {[this](f32 ring_data) { OnRingConUpdate(ring_data); }},
-        handle->on_amiibo_data = {[this, port](const std::vector<u8>& amiibo_data) {
+            .on_amiibo_data = {[this, port](const std::vector<u8>& amiibo_data) {
                 OnAmiiboUpdate(port, amiibo_data);
-        }};
+            }},
+        };
+
         handle->InitializeDevice();
+        handle->SetCallbacks(callbacks);
     }
 }
 
@@ -235,7 +236,7 @@ Common::Input::VibrationError Joycons::SetVibration(
         .low_amplitude = vibration.low_amplitude,
         .low_frequency = vibration.low_frequency,
         .high_amplitude = vibration.high_amplitude,
-        .high_frequency = vibration.high_amplitude,
+        .high_frequency = vibration.high_frequency,
     };
     auto handle = GetHandle(identifier);
     if (handle == nullptr) {

src/input_common/helpers/joycon_driver.cpp

@@ -66,6 +66,7 @@ DriverResult JoyconDriver::InitializeDevice() {
     // Initialize HW Protocols
     calibration_protocol = std::make_unique<CalibrationProtocol>(hidapi_handle);
     generic_protocol = std::make_unique<GenericProtocol>(hidapi_handle);
+    rumble_protocol = std::make_unique<RumbleProtocol>(hidapi_handle);
 
     // Get fixed joycon info
     generic_protocol->GetVersionNumber(version);
@@ -90,6 +91,10 @@ DriverResult JoyconDriver::InitializeDevice() {
     // Apply HW configuration
     SetPollingMode();
 
+    // Initialize joycon poller
+    joycon_poller = std::make_unique<JoyconPoller>(device_type, left_stick_calibration,
+                                                   right_stick_calibration, motion_calibration);
+
     // Start pooling for data
     is_connected = true;
     if (!input_thread_running) {
@@ -142,15 +147,40 @@ void JoyconDriver::InputThread(std::stop_token stop_token) {
 void JoyconDriver::OnNewData(std::span<u8> buffer) {
     const auto report_mode = static_cast<InputReport>(buffer[0]);
 
+    // Packages can be a litte bit inconsistent. Average the delta time to provide a smoother motion
+    // experience
     switch (report_mode) {
     case InputReport::STANDARD_FULL_60HZ:
-        ReadActiveMode(buffer);
+    case InputReport::NFC_IR_MODE_60HZ:
+    case InputReport::SIMPLE_HID_MODE: {
+        const auto now = std::chrono::steady_clock::now();
+        const auto new_delta_time = static_cast<u64>(
+            std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count());
+        delta_time = ((delta_time * 8) + (new_delta_time * 2)) / 10;
+        last_update = now;
+        joycon_poller->UpdateColor(color);
+        break;
+    }
+    default:
+        break;
+    }
+
+    const MotionStatus motion_status{
+        .is_enabled = motion_enabled,
+        .delta_time = delta_time,
+        .gyro_sensitivity = gyro_sensitivity,
+        .accelerometer_sensitivity = accelerometer_sensitivity,
+    };
+
+    switch (report_mode) {
+    case InputReport::STANDARD_FULL_60HZ:
+        joycon_poller->ReadActiveMode(buffer, motion_status);
         break;
     case InputReport::NFC_IR_MODE_60HZ:
-        ReadNfcIRMode(buffer);
+        joycon_poller->ReadNfcIRMode(buffer, motion_status);
         break;
     case InputReport::SIMPLE_HID_MODE:
-        ReadPassiveMode(buffer);
+        joycon_poller->ReadPassiveMode(buffer);
         break;
     case InputReport::SUBCMD_REPLY:
         LOG_DEBUG(Input, "Unhandled command reply");
@@ -164,6 +194,8 @@ void JoyconDriver::OnNewData(std::span<u8> buffer) {
 void JoyconDriver::SetPollingMode() {
     disable_input_thread = true;
 
+    rumble_protocol->EnableRumble(vibration_enabled && supported_features.vibration);
+
     if (motion_enabled && supported_features.motion) {
         generic_protocol->EnableImu(true);
         generic_protocol->SetImuConfig(gyro_sensitivity, gyro_performance,
@@ -209,62 +241,6 @@ JoyconDriver::SupportedFeatures JoyconDriver::GetSupportedFeatures() {
     return features;
 }
 
-void JoyconDriver::ReadActiveMode(std::span<u8> buffer) {
-    InputReportActive data{};
-    memcpy(&data, buffer.data(), sizeof(InputReportActive));
-
-    // Packages can be a litte bit inconsistent. Average the delta time to provide a smoother motion
-    // experience
-    const auto now = std::chrono::steady_clock::now();
-    const auto new_delta_time =
-        std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count();
-    delta_time = static_cast<u64>((delta_time * 0.8f) + (new_delta_time * 0.2));
-    last_update = now;
-
-    switch (device_type) {
-    case Joycon::ControllerType::Left:
-        break;
-    case Joycon::ControllerType::Right:
-        break;
-    case Joycon::ControllerType::Pro:
-        break;
-    case Joycon::ControllerType::Grip:
-    case Joycon::ControllerType::Dual:
-    case Joycon::ControllerType::None:
-        break;
-    }
-
-    on_battery_data(data.battery_status);
-    on_color_data(color);
-}
-
-void JoyconDriver::ReadPassiveMode(std::span<u8> buffer) {
-    InputReportPassive data{};
-    memcpy(&data, buffer.data(), sizeof(InputReportPassive));
-
-    switch (device_type) {
-    case Joycon::ControllerType::Left:
-        break;
-    case Joycon::ControllerType::Right:
-        break;
-    case Joycon::ControllerType::Pro:
-        break;
-    case Joycon::ControllerType::Grip:
-    case Joycon::ControllerType::Dual:
-    case Joycon::ControllerType::None:
-        break;
-    }
-}
-
-void JoyconDriver::ReadNfcIRMode(std::span<u8> buffer) {
-    // This mode is compatible with the active mode
-    ReadActiveMode(buffer);
-
-    if (!nfc_enabled) {
-        return;
-    }
-}
-
 bool JoyconDriver::IsInputThreadValid() const {
     if (!is_connected) {
         return false;
@@ -302,7 +278,7 @@ DriverResult JoyconDriver::SetVibration(const VibrationValue& vibration) {
     if (disable_input_thread) {
         return DriverResult::HandleInUse;
     }
-    return DriverResult::NotSupported;
+    return rumble_protocol->SendVibration(vibration);
 }
 
 DriverResult JoyconDriver::SetLedConfig(u8 led_pattern) {
@@ -398,6 +374,10 @@ SerialNumber JoyconDriver::GetHandleSerialNumber() const {
     return handle_serial_number;
 }
 
+void JoyconDriver::SetCallbacks(const Joycon::JoyconCallbacks& callbacks) {
+    joycon_poller->SetCallbacks(callbacks);
+}
+
 Joycon::DriverResult JoyconDriver::GetDeviceType(SDL_hid_device_info* device_info,
                                                  ControllerType& controller_type) {
     std::array<std::pair<u32, Joycon::ControllerType>, 4> supported_devices{

src/input_common/helpers/joycon_driver.h

@@ -11,6 +11,8 @@
 #include "input_common/helpers/joycon_protocol/calibration.h"
 #include "input_common/helpers/joycon_protocol/generic_functions.h"
 #include "input_common/helpers/joycon_protocol/joycon_types.h"
+#include "input_common/helpers/joycon_protocol/poller.h"
+#include "input_common/helpers/joycon_protocol/rumble.h"
 
 namespace InputCommon::Joycon {
 
@@ -42,6 +44,8 @@ public:
     DriverResult SetNfcMode();
     DriverResult SetRingConMode();
 
+    void SetCallbacks(const Joycon::JoyconCallbacks& callbacks);
+
     // Returns device type from hidapi handle
     static Joycon::DriverResult GetDeviceType(SDL_hid_device_info* device_info,
                                               Joycon::ControllerType& controller_type);
@@ -50,14 +54,6 @@ public:
     static Joycon::DriverResult GetSerialNumber(SDL_hid_device_info* device_info,
                                                 Joycon::SerialNumber& serial_number);
 
-    std::function<void(Battery)> on_battery_data;
-    std::function<void(Color)> on_color_data;
-    std::function<void(int, bool)> on_button_data;
-    std::function<void(int, f32)> on_stick_data;
-    std::function<void(int, MotionData)> on_motion_data;
-    std::function<void(f32)> on_ring_data;
-    std::function<void(const std::vector<u8>&)> on_amiibo_data;
-
 private:
     struct SupportedFeatures {
         bool passive{};
@@ -86,18 +82,11 @@ private:
     /// Returns a list of supported features that can be enabled on this device
     SupportedFeatures GetSupportedFeatures();
 
-    /// Handles data from passive packages
-    void ReadPassiveMode(std::span<u8> buffer);
-
-    /// Handles data from active packages
-    void ReadActiveMode(std::span<u8> buffer);
-
-    /// Handles data from nfc or ir packages
-    void ReadNfcIRMode(std::span<u8> buffer);
-
     // Protocol Features
     std::unique_ptr<CalibrationProtocol> calibration_protocol = nullptr;
     std::unique_ptr<GenericProtocol> generic_protocol = nullptr;
+    std::unique_ptr<JoyconPoller> joycon_poller = nullptr;
+    std::unique_ptr<RumbleProtocol> rumble_protocol = nullptr;
 
     // Connection status
     bool is_connected{};

src/input_common/helpers/joycon_protocol/poller.cpp

@@ -0,0 +1,315 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/poller.h"
+
+namespace InputCommon::Joycon {
+
+JoyconPoller::JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_,
+                           JoyStickCalibration right_stick_calibration_,
+                           MotionCalibration motion_calibration_)
+    : device_type{device_type_}, left_stick_calibration{left_stick_calibration_},
+      right_stick_calibration{right_stick_calibration_}, motion_calibration{motion_calibration_} {}
+
+void JoyconPoller::SetCallbacks(const Joycon::JoyconCallbacks& callbacks_) {
+    callbacks = std::move(callbacks_);
+}
+
+void JoyconPoller::ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status) {
+    InputReportActive data{};
+    memcpy(&data, buffer.data(), sizeof(InputReportActive));
+
+    switch (device_type) {
+    case Joycon::ControllerType::Left:
+        UpdateActiveLeftPadInput(data, motion_status);
+        break;
+    case Joycon::ControllerType::Right:
+        UpdateActiveRightPadInput(data, motion_status);
+        break;
+    case Joycon::ControllerType::Pro:
+        UpdateActiveProPadInput(data, motion_status);
+        break;
+    case Joycon::ControllerType::Grip:
+    case Joycon::ControllerType::Dual:
+    case Joycon::ControllerType::None:
+        break;
+    }
+
+    callbacks.on_battery_data(data.battery_status);
+}
+
+void JoyconPoller::ReadPassiveMode(std::span<u8> buffer) {
+    InputReportPassive data{};
+    memcpy(&data, buffer.data(), sizeof(InputReportPassive));
+
+    switch (device_type) {
+    case Joycon::ControllerType::Left:
+        UpdatePasiveLeftPadInput(data);
+        break;
+    case Joycon::ControllerType::Right:
+        UpdatePasiveRightPadInput(data);
+        break;
+    case Joycon::ControllerType::Pro:
+        UpdatePasiveProPadInput(data);
+        break;
+    case Joycon::ControllerType::Grip:
+    case Joycon::ControllerType::Dual:
+    case Joycon::ControllerType::None:
+        break;
+    }
+}
+
+void JoyconPoller::ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status) {
+    // This mode is compatible with the active mode
+    ReadActiveMode(buffer, motion_status);
+}
+
+void JoyconPoller::UpdateColor(const Color& color) {
+    callbacks.on_color_data(color);
+}
+
+void JoyconPoller::UpdateActiveLeftPadInput(const InputReportActive& input,
+                                            const MotionStatus& motion_status) {
+    static constexpr std::array<Joycon::PadButton, 11> left_buttons{
+        Joycon::PadButton::Down,    Joycon::PadButton::Up,     Joycon::PadButton::Right,
+        Joycon::PadButton::Left,    Joycon::PadButton::LeftSL, Joycon::PadButton::LeftSR,
+        Joycon::PadButton::L,       Joycon::PadButton::ZL,     Joycon::PadButton::Minus,
+        Joycon::PadButton::Capture, Joycon::PadButton::StickL,
+    };
+
+    const u32 raw_button =
+        static_cast<u32>(input.button_input[2] | ((input.button_input[1] & 0b00101001) << 16));
+    for (std::size_t i = 0; i < left_buttons.size(); ++i) {
+        const bool button_status = (raw_button & static_cast<u32>(left_buttons[i])) != 0;
+        const int button = static_cast<int>(left_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+
+    const u16 raw_left_axis_x =
+        static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8));
+    const u16 raw_left_axis_y =
+        static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4));
+    const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x);
+    const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y);
+
+    if (motion_status.is_enabled) {
+        auto left_motion = GetMotionInput(input, motion_status);
+        // Rotate motion axis to the correct direction
+        left_motion.accel_y = -left_motion.accel_y;
+        left_motion.accel_z = -left_motion.accel_z;
+        left_motion.gyro_x = -left_motion.gyro_x;
+        callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), left_motion);
+    }
+}
+
+void JoyconPoller::UpdateActiveRightPadInput(const InputReportActive& input,
+                                             const MotionStatus& motion_status) {
+    static constexpr std::array<Joycon::PadButton, 11> right_buttons{
+        Joycon::PadButton::Y,    Joycon::PadButton::X,       Joycon::PadButton::B,
+        Joycon::PadButton::A,    Joycon::PadButton::RightSL, Joycon::PadButton::RightSR,
+        Joycon::PadButton::R,    Joycon::PadButton::ZR,      Joycon::PadButton::Plus,
+        Joycon::PadButton::Home, Joycon::PadButton::StickR,
+    };
+
+    const u32 raw_button =
+        static_cast<u32>((input.button_input[0] << 8) | (input.button_input[1] << 16));
+    for (std::size_t i = 0; i < right_buttons.size(); ++i) {
+        const bool button_status = (raw_button & static_cast<u32>(right_buttons[i])) != 0;
+        const int button = static_cast<int>(right_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+
+    const u16 raw_right_axis_x =
+        static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8));
+    const u16 raw_right_axis_y =
+        static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4));
+    const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x);
+    const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y);
+
+    if (motion_status.is_enabled) {
+        auto right_motion = GetMotionInput(input, motion_status);
+        // Rotate motion axis to the correct direction
+        right_motion.accel_x = -right_motion.accel_x;
+        right_motion.accel_y = -right_motion.accel_y;
+        right_motion.gyro_z = -right_motion.gyro_z;
+        callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), right_motion);
+    }
+}
+
+void JoyconPoller::UpdateActiveProPadInput(const InputReportActive& input,
+                                           const MotionStatus& motion_status) {
+    static constexpr std::array<Joycon::PadButton, 18> pro_buttons{
+        Joycon::PadButton::Down,  Joycon::PadButton::Up,      Joycon::PadButton::Right,
+        Joycon::PadButton::Left,  Joycon::PadButton::L,       Joycon::PadButton::ZL,
+        Joycon::PadButton::Minus, Joycon::PadButton::Capture, Joycon::PadButton::Y,
+        Joycon::PadButton::X,     Joycon::PadButton::B,       Joycon::PadButton::A,
+        Joycon::PadButton::R,     Joycon::PadButton::ZR,      Joycon::PadButton::Plus,
+        Joycon::PadButton::Home,  Joycon::PadButton::StickL,  Joycon::PadButton::StickR,
+    };
+
+    const u32 raw_button = static_cast<u32>(input.button_input[2] | (input.button_input[0] << 8) |
+                                            (input.button_input[1] << 16));
+    for (std::size_t i = 0; i < pro_buttons.size(); ++i) {
+        const bool button_status = (raw_button & static_cast<u32>(pro_buttons[i])) != 0;
+        const int button = static_cast<int>(pro_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+
+    const u16 raw_left_axis_x =
+        static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8));
+    const u16 raw_left_axis_y =
+        static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4));
+    const u16 raw_right_axis_x =
+        static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8));
+    const u16 raw_right_axis_y =
+        static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4));
+
+    const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x);
+    const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y);
+    const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x);
+    const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x);
+    callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y);
+
+    if (motion_status.is_enabled) {
+        auto pro_motion = GetMotionInput(input, motion_status);
+        pro_motion.gyro_x = -pro_motion.gyro_x;
+        pro_motion.accel_y = -pro_motion.accel_y;
+        pro_motion.accel_z = -pro_motion.accel_z;
+        callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), pro_motion);
+        callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), pro_motion);
+    }
+}
+
+void JoyconPoller::UpdatePasiveLeftPadInput(const InputReportPassive& input) {
+    static constexpr std::array<Joycon::PasivePadButton, 11> left_buttons{
+        Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X,
+        Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y,
+        Joycon::PasivePadButton::SL,     Joycon::PasivePadButton::SR,
+        Joycon::PasivePadButton::L_R,    Joycon::PasivePadButton::ZL_ZR,
+        Joycon::PasivePadButton::Minus,  Joycon::PasivePadButton::Capture,
+        Joycon::PasivePadButton::StickL,
+    };
+
+    for (std::size_t i = 0; i < left_buttons.size(); ++i) {
+        const bool button_status = (input.button_input & static_cast<u32>(left_buttons[i])) != 0;
+        const int button = static_cast<int>(left_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+}
+
+void JoyconPoller::UpdatePasiveRightPadInput(const InputReportPassive& input) {
+    static constexpr std::array<Joycon::PasivePadButton, 11> right_buttons{
+        Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X,
+        Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y,
+        Joycon::PasivePadButton::SL,     Joycon::PasivePadButton::SR,
+        Joycon::PasivePadButton::L_R,    Joycon::PasivePadButton::ZL_ZR,
+        Joycon::PasivePadButton::Plus,   Joycon::PasivePadButton::Home,
+        Joycon::PasivePadButton::StickR,
+    };
+
+    for (std::size_t i = 0; i < right_buttons.size(); ++i) {
+        const bool button_status = (input.button_input & static_cast<u32>(right_buttons[i])) != 0;
+        const int button = static_cast<int>(right_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+}
+
+void JoyconPoller::UpdatePasiveProPadInput(const InputReportPassive& input) {
+    static constexpr std::array<Joycon::PasivePadButton, 14> pro_buttons{
+        Joycon::PasivePadButton::Down_A,  Joycon::PasivePadButton::Right_X,
+        Joycon::PasivePadButton::Left_B,  Joycon::PasivePadButton::Up_Y,
+        Joycon::PasivePadButton::SL,      Joycon::PasivePadButton::SR,
+        Joycon::PasivePadButton::L_R,     Joycon::PasivePadButton::ZL_ZR,
+        Joycon::PasivePadButton::Minus,   Joycon::PasivePadButton::Plus,
+        Joycon::PasivePadButton::Capture, Joycon::PasivePadButton::Home,
+        Joycon::PasivePadButton::StickL,  Joycon::PasivePadButton::StickR,
+    };
+
+    for (std::size_t i = 0; i < pro_buttons.size(); ++i) {
+        const bool button_status = (input.button_input & static_cast<u32>(pro_buttons[i])) != 0;
+        const int button = static_cast<int>(pro_buttons[i]);
+        callbacks.on_button_data(button, button_status);
+    }
+}
+
+f32 JoyconPoller::GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const {
+    const f32 value = static_cast<f32>(raw_value - calibration.center);
+    if (value > 0.0f) {
+        return value / calibration.max;
+    }
+    return value / calibration.min;
+}
+
+f32 JoyconPoller::GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal,
+                                        AccelerometerSensitivity sensitivity) const {
+    const f32 value = raw * (1.0f / (cal.scale - cal.offset)) * 4;
+    switch (sensitivity) {
+    case Joycon::AccelerometerSensitivity::G2:
+        return value / 4.0f;
+    case Joycon::AccelerometerSensitivity::G4:
+        return value / 2.0f;
+    case Joycon::AccelerometerSensitivity::G8:
+        return value;
+    case Joycon::AccelerometerSensitivity::G16:
+        return value * 2.0f;
+    }
+    return value;
+}
+
+f32 JoyconPoller::GetGyroValue(s16 raw, const MotionSensorCalibration& cal,
+                               GyroSensitivity sensitivity) const {
+    const f32 value = (raw - cal.offset) * (936.0f / (cal.scale - cal.offset)) / 360.0f;
+    switch (sensitivity) {
+    case Joycon::GyroSensitivity::DPS250:
+        return value / 8.0f;
+    case Joycon::GyroSensitivity::DPS500:
+        return value / 4.0f;
+    case Joycon::GyroSensitivity::DPS1000:
+        return value / 2.0f;
+    case Joycon::GyroSensitivity::DPS2000:
+        return value;
+    }
+    return value;
+}
+
+s16 JoyconPoller::GetRawIMUValues(std::size_t sensor, size_t axis,
+                                  const InputReportActive& input) const {
+    return input.motion_input[(sensor * 3) + axis];
+}
+
+MotionData JoyconPoller::GetMotionInput(const InputReportActive& input,
+                                        const MotionStatus& motion_status) const {
+    MotionData motion{};
+    const auto& accel_cal = motion_calibration.accelerometer;
+    const auto& gyro_cal = motion_calibration.gyro;
+    const s16 raw_accel_x = input.motion_input[1];
+    const s16 raw_accel_y = input.motion_input[0];
+    const s16 raw_accel_z = input.motion_input[2];
+    const s16 raw_gyro_x = input.motion_input[4];
+    const s16 raw_gyro_y = input.motion_input[3];
+    const s16 raw_gyro_z = input.motion_input[5];
+
+    motion.delta_timestamp = motion_status.delta_time;
+    motion.accel_x =
+        GetAccelerometerValue(raw_accel_x, accel_cal[1], motion_status.accelerometer_sensitivity);
+    motion.accel_y =
+        GetAccelerometerValue(raw_accel_y, accel_cal[0], motion_status.accelerometer_sensitivity);
+    motion.accel_z =
+        GetAccelerometerValue(raw_accel_z, accel_cal[2], motion_status.accelerometer_sensitivity);
+    motion.gyro_x = GetGyroValue(raw_gyro_x, gyro_cal[1], motion_status.gyro_sensitivity);
+    motion.gyro_y = GetGyroValue(raw_gyro_y, gyro_cal[0], motion_status.gyro_sensitivity);
+    motion.gyro_z = GetGyroValue(raw_gyro_z, gyro_cal[2], motion_status.gyro_sensitivity);
+
+    // TODO(German77): Return all three samples data
+    return motion;
+}
+
+} // namespace InputCommon::Joycon

src/input_common/helpers/joycon_protocol/poller.h

@@ -0,0 +1,77 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <functional>
+#include <span>
+
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+// Handles input packages and triggers the corresponding input events
+class JoyconPoller {
+public:
+    JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_,
+                 JoyStickCalibration right_stick_calibration_,
+                 MotionCalibration motion_calibration_);
+
+    void SetCallbacks(const Joycon::JoyconCallbacks& callbacks_);
+
+    /// Handles data from passive packages
+    void ReadPassiveMode(std::span<u8> buffer);
+
+    /// Handles data from active packages
+    void ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status);
+
+    /// Handles data from nfc or ir packages
+    void ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status);
+
+    void UpdateColor(const Color& color);
+
+private:
+    void UpdateActiveLeftPadInput(const InputReportActive& input,
+                                  const MotionStatus& motion_status);
+    void UpdateActiveRightPadInput(const InputReportActive& input,
+                                   const MotionStatus& motion_status);
+    void UpdateActiveProPadInput(const InputReportActive& input, const MotionStatus& motion_status);
+
+    void UpdatePasiveLeftPadInput(const InputReportPassive& buffer);
+    void UpdatePasiveRightPadInput(const InputReportPassive& buffer);
+    void UpdatePasiveProPadInput(const InputReportPassive& buffer);
+
+    /// Returns a calibrated joystick axis from raw axis data
+    f32 GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const;
+
+    /// Returns a calibrated accelerometer axis from raw motion data
+    f32 GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal,
+                              AccelerometerSensitivity sensitivity) const;
+
+    /// Returns a calibrated gyro axis from raw motion data
+    f32 GetGyroValue(s16 raw_value, const MotionSensorCalibration& cal,
+                     GyroSensitivity sensitivity) const;
+
+    /// Returns a raw motion value from a buffer
+    s16 GetRawIMUValues(size_t sensor, size_t axis, const InputReportActive& input) const;
+
+    /// Returns motion data from a buffer
+    MotionData GetMotionInput(const InputReportActive& input,
+                              const MotionStatus& motion_status) const;
+
+    ControllerType device_type{};
+
+    // Device calibration
+    JoyStickCalibration left_stick_calibration{};
+    JoyStickCalibration right_stick_calibration{};
+    MotionCalibration motion_calibration{};
+
+    Joycon::JoyconCallbacks callbacks{};
+};
+
+} // namespace InputCommon::Joycon

src/input_common/helpers/joycon_protocol/rumble.cpp

@@ -0,0 +1,299 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/rumble.h"
+
+namespace InputCommon::Joycon {
+
+RumbleProtocol::RumbleProtocol(std::shared_ptr<JoyconHandle> handle)
+    : JoyconCommonProtocol(handle) {}
+
+DriverResult RumbleProtocol::EnableRumble(bool is_enabled) {
+    LOG_DEBUG(Input, "Enable Rumble");
+    const std::vector<u8> buffer{static_cast<u8>(is_enabled ? 1 : 0)};
+    std::vector<u8> output;
+    SetBlocking();
+    const auto result = SendSubCommand(SubCommand::ENABLE_VIBRATION, buffer, output);
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult RumbleProtocol::SendVibration(const VibrationValue& vibration) {
+    std::vector<u8> buffer(sizeof(DefaultVibrationBuffer));
+
+    if (vibration.high_amplitude <= 0.0f && vibration.low_amplitude <= 0.0f) {
+        return SendVibrationReport(DefaultVibrationBuffer);
+    }
+
+    // Protect joycons from damage from strong vibrations
+    const f32 clamp_amplitude =
+        1.0f / std::max(1.0f, vibration.high_amplitude + vibration.low_amplitude);
+
+    const u16 encoded_high_frequency = EncodeHighFrequency(vibration.high_frequency);
+    const u8 encoded_high_amplitude =
+        EncodeHighAmplitude(vibration.high_amplitude * clamp_amplitude);
+    const u8 encoded_low_frequency = EncodeLowFrequency(vibration.low_frequency);
+    const u16 encoded_low_amplitude = EncodeLowAmplitude(vibration.low_amplitude * clamp_amplitude);
+
+    buffer[0] = static_cast<u8>(encoded_high_frequency & 0xFF);
+    buffer[1] = static_cast<u8>(encoded_high_amplitude | ((encoded_high_frequency >> 8) & 0x01));
+    buffer[2] = static_cast<u8>(encoded_low_frequency | ((encoded_low_amplitude >> 8) & 0x80));
+    buffer[3] = static_cast<u8>(encoded_low_amplitude & 0xFF);
+
+    // Duplicate rumble for now
+    buffer[4] = buffer[0];
+    buffer[5] = buffer[1];
+    buffer[6] = buffer[2];
+    buffer[7] = buffer[3];
+
+    return SendVibrationReport(buffer);
+}
+
+u16 RumbleProtocol::EncodeHighFrequency(f32 frequency) const {
+    const u8 new_frequency =
+        static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f));
+    return static_cast<u16>((new_frequency - 0x60) * 4);
+}
+
+u8 RumbleProtocol::EncodeLowFrequency(f32 frequency) const {
+    const u8 new_frequency =
+        static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f));
+    return static_cast<u8>(new_frequency - 0x40);
+}
+
+u8 RumbleProtocol::EncodeHighAmplitude(f32 amplitude) const {
+    /* More information about these values can be found here:
+     * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md
+     */
+    constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{
+        std::pair<f32, int>{0.0f, 0x0},
+        {0.01f, 0x2},
+        {0.012f, 0x4},
+        {0.014f, 0x6},
+        {0.017f, 0x8},
+        {0.02f, 0x0a},
+        {0.024f, 0x0c},
+        {0.028f, 0x0e},
+        {0.033f, 0x10},
+        {0.04f, 0x12},
+        {0.047f, 0x14},
+        {0.056f, 0x16},
+        {0.067f, 0x18},
+        {0.08f, 0x1a},
+        {0.095f, 0x1c},
+        {0.112f, 0x1e},
+        {0.117f, 0x20},
+        {0.123f, 0x22},
+        {0.128f, 0x24},
+        {0.134f, 0x26},
+        {0.14f, 0x28},
+        {0.146f, 0x2a},
+        {0.152f, 0x2c},
+        {0.159f, 0x2e},
+        {0.166f, 0x30},
+        {0.173f, 0x32},
+        {0.181f, 0x34},
+        {0.189f, 0x36},
+        {0.198f, 0x38},
+        {0.206f, 0x3a},
+        {0.215f, 0x3c},
+        {0.225f, 0x3e},
+        {0.23f, 0x40},
+        {0.235f, 0x42},
+        {0.24f, 0x44},
+        {0.245f, 0x46},
+        {0.251f, 0x48},
+        {0.256f, 0x4a},
+        {0.262f, 0x4c},
+        {0.268f, 0x4e},
+        {0.273f, 0x50},
+        {0.279f, 0x52},
+        {0.286f, 0x54},
+        {0.292f, 0x56},
+        {0.298f, 0x58},
+        {0.305f, 0x5a},
+        {0.311f, 0x5c},
+        {0.318f, 0x5e},
+        {0.325f, 0x60},
+        {0.332f, 0x62},
+        {0.34f, 0x64},
+        {0.347f, 0x66},
+        {0.355f, 0x68},
+        {0.362f, 0x6a},
+        {0.37f, 0x6c},
+        {0.378f, 0x6e},
+        {0.387f, 0x70},
+        {0.395f, 0x72},
+        {0.404f, 0x74},
+        {0.413f, 0x76},
+        {0.422f, 0x78},
+        {0.431f, 0x7a},
+        {0.44f, 0x7c},
+        {0.45f, 0x7e},
+        {0.46f, 0x80},
+        {0.47f, 0x82},
+        {0.48f, 0x84},
+        {0.491f, 0x86},
+        {0.501f, 0x88},
+        {0.512f, 0x8a},
+        {0.524f, 0x8c},
+        {0.535f, 0x8e},
+        {0.547f, 0x90},
+        {0.559f, 0x92},
+        {0.571f, 0x94},
+        {0.584f, 0x96},
+        {0.596f, 0x98},
+        {0.609f, 0x9a},
+        {0.623f, 0x9c},
+        {0.636f, 0x9e},
+        {0.65f, 0xa0},
+        {0.665f, 0xa2},
+        {0.679f, 0xa4},
+        {0.694f, 0xa6},
+        {0.709f, 0xa8},
+        {0.725f, 0xaa},
+        {0.741f, 0xac},
+        {0.757f, 0xae},
+        {0.773f, 0xb0},
+        {0.79f, 0xb2},
+        {0.808f, 0xb4},
+        {0.825f, 0xb6},
+        {0.843f, 0xb8},
+        {0.862f, 0xba},
+        {0.881f, 0xbc},
+        {0.9f, 0xbe},
+        {0.92f, 0xc0},
+        {0.94f, 0xc2},
+        {0.96f, 0xc4},
+        {0.981f, 0xc6},
+        {1.003f, 0xc8},
+    };
+
+    for (const auto& [amplitude_value, code] : high_fequency_amplitude) {
+        if (amplitude <= amplitude_value) {
+            return static_cast<u8>(code);
+        }
+    }
+
+    return static_cast<u8>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second);
+}
+
+u16 RumbleProtocol::EncodeLowAmplitude(f32 amplitude) const {
+    /* More information about these values can be found here:
+     * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md
+     */
+    constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{
+        std::pair<f32, int>{0.0f, 0x0040},
+        {0.01f, 0x8040},
+        {0.012f, 0x0041},
+        {0.014f, 0x8041},
+        {0.017f, 0x0042},
+        {0.02f, 0x8042},
+        {0.024f, 0x0043},
+        {0.028f, 0x8043},
+        {0.033f, 0x0044},
+        {0.04f, 0x8044},
+        {0.047f, 0x0045},
+        {0.056f, 0x8045},
+        {0.067f, 0x0046},
+        {0.08f, 0x8046},
+        {0.095f, 0x0047},
+        {0.112f, 0x8047},
+        {0.117f, 0x0048},
+        {0.123f, 0x8048},
+        {0.128f, 0x0049},
+        {0.134f, 0x8049},
+        {0.14f, 0x004a},
+        {0.146f, 0x804a},
+        {0.152f, 0x004b},
+        {0.159f, 0x804b},
+        {0.166f, 0x004c},
+        {0.173f, 0x804c},
+        {0.181f, 0x004d},
+        {0.189f, 0x804d},
+        {0.198f, 0x004e},
+        {0.206f, 0x804e},
+        {0.215f, 0x004f},
+        {0.225f, 0x804f},
+        {0.23f, 0x0050},
+        {0.235f, 0x8050},
+        {0.24f, 0x0051},
+        {0.245f, 0x8051},
+        {0.251f, 0x0052},
+        {0.256f, 0x8052},
+        {0.262f, 0x0053},
+        {0.268f, 0x8053},
+        {0.273f, 0x0054},
+        {0.279f, 0x8054},
+        {0.286f, 0x0055},
+        {0.292f, 0x8055},
+        {0.298f, 0x0056},
+        {0.305f, 0x8056},
+        {0.311f, 0x0057},
+        {0.318f, 0x8057},
+        {0.325f, 0x0058},
+        {0.332f, 0x8058},
+        {0.34f, 0x0059},
+        {0.347f, 0x8059},
+        {0.355f, 0x005a},
+        {0.362f, 0x805a},
+        {0.37f, 0x005b},
+        {0.378f, 0x805b},
+        {0.387f, 0x005c},
+        {0.395f, 0x805c},
+        {0.404f, 0x005d},
+        {0.413f, 0x805d},
+        {0.422f, 0x005e},
+        {0.431f, 0x805e},
+        {0.44f, 0x005f},
+        {0.45f, 0x805f},
+        {0.46f, 0x0060},
+        {0.47f, 0x8060},
+        {0.48f, 0x0061},
+        {0.491f, 0x8061},
+        {0.501f, 0x0062},
+        {0.512f, 0x8062},
+        {0.524f, 0x0063},
+        {0.535f, 0x8063},
+        {0.547f, 0x0064},
+        {0.559f, 0x8064},
+        {0.571f, 0x0065},
+        {0.584f, 0x8065},
+        {0.596f, 0x0066},
+        {0.609f, 0x8066},
+        {0.623f, 0x0067},
+        {0.636f, 0x8067},
+        {0.65f, 0x0068},
+        {0.665f, 0x8068},
+        {0.679f, 0x0069},
+        {0.694f, 0x8069},
+        {0.709f, 0x006a},
+        {0.725f, 0x806a},
+        {0.741f, 0x006b},
+        {0.757f, 0x806b},
+        {0.773f, 0x006c},
+        {0.79f, 0x806c},
+        {0.808f, 0x006d},
+        {0.825f, 0x806d},
+        {0.843f, 0x006e},
+        {0.862f, 0x806e},
+        {0.881f, 0x006f},
+        {0.9f, 0x806f},
+        {0.92f, 0x0070},
+        {0.94f, 0x8070},
+        {0.96f, 0x0071},
+        {0.981f, 0x8071},
+        {1.003f, 0x0072},
+    };
+
+    for (const auto& [amplitude_value, code] : high_fequency_amplitude) {
+        if (amplitude <= amplitude_value) {
+            return static_cast<u16>(code);
+        }
+    }
+
+    return static_cast<u16>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second);
+}
+
+} // namespace InputCommon::Joycon

src/input_common/helpers/joycon_protocol/rumble.h

@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class RumbleProtocol final : private JoyconCommonProtocol {
+public:
+    RumbleProtocol(std::shared_ptr<JoyconHandle> handle);
+
+    DriverResult EnableRumble(bool is_enabled);
+
+    DriverResult SendVibration(const VibrationValue& vibration);
+
+private:
+    u16 EncodeHighFrequency(f32 frequency) const;
+    u8 EncodeLowFrequency(f32 frequency) const;
+    u8 EncodeHighAmplitude(f32 amplitude) const;
+    u16 EncodeLowAmplitude(f32 amplitude) const;
+};
+
+} // namespace InputCommon::Joycon