6 files changed, 110 insertions, 74 deletions
diff --git a/src/input_common/drivers/mouse.cpp b/src/input_common/drivers/mouse.cpp
index 0c9f642bb5..f07cf8a0ec 100644
--- a/src/input_common/drivers/mouse.cpp
+++ b/src/input_common/drivers/mouse.cpp
@@ -76,9 +76,6 @@ void Mouse::UpdateThread(std::stop_token stop_token) {
         UpdateStickInput();
         UpdateMotionInput();
 
-        if (mouse_panning_timeout++ > 20) {
-            StopPanning();
-        }
         std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
     }
 }
@@ -88,18 +85,45 @@ void Mouse::UpdateStickInput() {
         return;
     }
 
-    const float sensitivity =
-        Settings::values.mouse_panning_sensitivity.GetValue() * default_stick_sensitivity;
+    const float length = last_mouse_change.Length();
 
-    // Slow movement by 4%
-    last_mouse_change *= 0.96f;
-    SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
-    SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
+    // Prevent input from exceeding the max range (1.0f) too much,
+    // but allow some room to make it easier to sustain
+    if (length > 1.2f) {
+        last_mouse_change /= length;
+        last_mouse_change *= 1.2f;
+    }
+
+    auto mouse_change = last_mouse_change;
+
+    // Bind the mouse change to [0 <= deadzone_counterweight <= 1,1]
+    if (length < 1.0f) {
+        const float deadzone_h_counterweight =
+            Settings::values.mouse_panning_deadzone_x_counterweight.GetValue();
+        const float deadzone_v_counterweight =
+            Settings::values.mouse_panning_deadzone_y_counterweight.GetValue();
+        mouse_change /= length;
+        mouse_change.x *= length + (1 - length) * deadzone_h_counterweight * 0.01f;
+        mouse_change.y *= length + (1 - length) * deadzone_v_counterweight * 0.01f;
+    }
+
+    SetAxis(identifier, mouse_axis_x, mouse_change.x);
+    SetAxis(identifier, mouse_axis_y, -mouse_change.y);
+
+    // Decay input over time
+    const float clamped_length = std::min(1.0f, length);
+    const float decay_strength = Settings::values.mouse_panning_decay_strength.GetValue();
+    const float decay = 1 - clamped_length * clamped_length * decay_strength * 0.01f;
+    const float min_decay = Settings::values.mouse_panning_min_decay.GetValue();
+    const float clamped_decay = std::min(1 - min_decay / 100.0f, decay);
+    last_mouse_change *= clamped_decay;
 }
 
 void Mouse::UpdateMotionInput() {
-    const float sensitivity =
-        Settings::values.mouse_panning_sensitivity.GetValue() * default_motion_sensitivity;
+    // This may need its own sensitivity instead of using the average
+    const float sensitivity = (Settings::values.mouse_panning_x_sensitivity.GetValue() +
+                               Settings::values.mouse_panning_y_sensitivity.GetValue()) /
+                              2.0f * default_motion_sensitivity;
 
     const float rotation_velocity = std::sqrt(last_motion_change.x * last_motion_change.x +
                                               last_motion_change.y * last_motion_change.y);
@@ -131,49 +155,28 @@ void Mouse::UpdateMotionInput() {
 
 void Mouse::Move(int x, int y, int center_x, int center_y) {
     if (Settings::values.mouse_panning) {
-        mouse_panning_timeout = 0;
-
-        auto mouse_change =
+        const auto mouse_change =
             (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
-        last_motion_change += {-mouse_change.y, -mouse_change.x, 0};
-
-        const auto move_distance = mouse_change.Length();
-        if (move_distance == 0) {
-            return;
-        }
+        const float x_sensitivity =
+            Settings::values.mouse_panning_x_sensitivity.GetValue() * default_stick_sensitivity;
+        const float y_sensitivity =
+            Settings::values.mouse_panning_y_sensitivity.GetValue() * default_stick_sensitivity;
 
-        // Make slow movements at least 3 units on length
-        if (move_distance < 3.0f) {
-            // Normalize value
-            mouse_change /= move_distance;
-            mouse_change *= 3.0f;
-        }
-
-        // Average mouse movements
-        last_mouse_change = (last_mouse_change * 0.91f) + (mouse_change * 0.09f);
-
-        const auto last_move_distance = last_mouse_change.Length();
-
-        // Make fast movements clamp to 8 units on length
-        if (last_move_distance > 8.0f) {
-            // Normalize value
-            last_mouse_change /= last_move_distance;
-            last_mouse_change *= 8.0f;
-        }
-
-        // Ignore average if it's less than 1 unit and use current movement value
-        if (last_move_distance < 1.0f) {
-            last_mouse_change = mouse_change / mouse_change.Length();
-        }
+        last_motion_change += {-mouse_change.y, -mouse_change.x, 0};
+        last_mouse_change.x += mouse_change.x * x_sensitivity * 0.09f;
+        last_mouse_change.y += mouse_change.y * y_sensitivity * 0.09f;
 
         return;
     }
 
     if (button_pressed) {
         const auto mouse_move = Common::MakeVec<int>(x, y) - mouse_origin;
-        const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
-        SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
-        SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
+        const float x_sensitivity = Settings::values.mouse_panning_x_sensitivity.GetValue();
+        const float y_sensitivity = Settings::values.mouse_panning_y_sensitivity.GetValue();
+        SetAxis(identifier, mouse_axis_x,
+                static_cast<float>(mouse_move.x) * x_sensitivity * 0.0012f);
+        SetAxis(identifier, mouse_axis_y,
+                static_cast<float>(-mouse_move.y) * y_sensitivity * 0.0012f);
 
         last_motion_change = {
             static_cast<float>(-mouse_move.y) / 50.0f,
@@ -241,10 +244,6 @@ void Mouse::ReleaseAllButtons() {
     button_pressed = false;
 }
 
-void Mouse::StopPanning() {
-    last_mouse_change = {};
-}
-
 std::vector<Common::ParamPackage> Mouse::GetInputDevices() const {
     std::vector<Common::ParamPackage> devices;
     devices.emplace_back(Common::ParamPackage{
diff --git a/src/input_common/drivers/mouse.h b/src/input_common/drivers/mouse.h
index b872c7a0f0..0e8edcce15 100644
--- a/src/input_common/drivers/mouse.h
+++ b/src/input_common/drivers/mouse.h
@@ -98,7 +98,6 @@ private:
     void UpdateThread(std::stop_token stop_token);
     void UpdateStickInput();
     void UpdateMotionInput();
-    void StopPanning();
 
     Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const;
 
@@ -108,7 +107,6 @@ private:
     Common::Vec3<float> last_motion_change;
     Common::Vec2<int> wheel_position;
     bool button_pressed;
-    int mouse_panning_timeout{};
     std::jthread update_thread;
 };
 
diff --git a/src/input_common/drivers/sdl_driver.cpp b/src/input_common/drivers/sdl_driver.cpp
index 9a0439bb50..9f26392b17 100644
--- a/src/input_common/drivers/sdl_driver.cpp
+++ b/src/input_common/drivers/sdl_driver.cpp
@@ -150,6 +150,8 @@ public:
         if (sdl_controller) {
             const auto type = SDL_GameControllerGetType(sdl_controller.get());
             return (type == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) ||
+                   (type == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_JOYCON_LEFT) ||
+                   (type == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_JOYCON_RIGHT) ||
                    (type == SDL_CONTROLLER_TYPE_PS5);
         }
         return false;
@@ -228,9 +230,8 @@ public:
         return false;
     }
 
-    Common::Input::BatteryLevel GetBatteryLevel() {
-        const auto level = SDL_JoystickCurrentPowerLevel(sdl_joystick.get());
-        switch (level) {
+    Common::Input::BatteryLevel GetBatteryLevel(SDL_JoystickPowerLevel battery_level) {
+        switch (battery_level) {
         case SDL_JOYSTICK_POWER_EMPTY:
             return Common::Input::BatteryLevel::Empty;
         case SDL_JOYSTICK_POWER_LOW:
@@ -378,7 +379,6 @@ void SDLDriver::InitJoystick(int joystick_index) {
     if (joystick_map.find(guid) == joystick_map.end()) {
         auto joystick = std::make_shared<SDLJoystick>(guid, 0, sdl_joystick, sdl_gamecontroller);
         PreSetController(joystick->GetPadIdentifier());
-        SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
         joystick->EnableMotion();
         joystick_map[guid].emplace_back(std::move(joystick));
         return;
@@ -398,7 +398,6 @@ void SDLDriver::InitJoystick(int joystick_index) {
     const int port = static_cast<int>(joystick_guid_list.size());
     auto joystick = std::make_shared<SDLJoystick>(guid, port, sdl_joystick, sdl_gamecontroller);
     PreSetController(joystick->GetPadIdentifier());
-    SetBattery(joystick->GetPadIdentifier(), joystick->GetBatteryLevel());
     joystick->EnableMotion();
     joystick_guid_list.emplace_back(std::move(joystick));
 }
@@ -438,8 +437,6 @@ void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) {
         if (const auto joystick = GetSDLJoystickBySDLID(event.jbutton.which)) {
             const PadIdentifier identifier = joystick->GetPadIdentifier();
             SetButton(identifier, event.jbutton.button, true);
-            // Battery doesn't trigger an event so just update every button press
-            SetBattery(identifier, joystick->GetBatteryLevel());
         }
         break;
     }
@@ -466,6 +463,13 @@ void SDLDriver::HandleGameControllerEvent(const SDL_Event& event) {
         }
         break;
     }
+    case SDL_JOYBATTERYUPDATED: {
+        if (auto joystick = GetSDLJoystickBySDLID(event.jbattery.which)) {
+            const PadIdentifier identifier = joystick->GetPadIdentifier();
+            SetBattery(identifier, joystick->GetBatteryLevel(event.jbattery.level));
+        }
+        break;
+    }
     case SDL_JOYDEVICEREMOVED:
         LOG_DEBUG(Input, "Controller removed with Instance_ID {}", event.jdevice.which);
         CloseJoystick(SDL_JoystickFromInstanceID(event.jdevice.which));
@@ -483,6 +487,10 @@ void SDLDriver::CloseJoysticks() {
 }
 
 SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
+    // Set our application name. Currently passed to DBus by SDL and visible to the user through
+    // their desktop environment.
+    SDL_SetHint(SDL_HINT_APP_NAME, "yuzu");
+
     if (!Settings::values.enable_raw_input) {
         // Disable raw input. When enabled this setting causes SDL to die when a web applet opens
         SDL_SetHint(SDL_HINT_JOYSTICK_RAWINPUT, "0");
@@ -501,6 +509,9 @@ SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_en
         SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS, "0");
     } else {
         SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_JOY_CONS, "1");
+        SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_JOYCON_HOME_LED, "0");
+        SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_COMBINE_JOY_CONS, "0");
+        SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_VERTICAL_JOY_CONS, "1");
     }
 
     // Disable hidapi drivers for pro controllers when the custom joycon driver is enabled
@@ -508,8 +519,11 @@ SDLDriver::SDLDriver(std::string input_engine_) : InputEngine(std::move(input_en
         SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_SWITCH, "0");
     } else {
         SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_SWITCH, "1");
+        SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_SWITCH_HOME_LED, "0");
     }
 
+    SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_SWITCH_PLAYER_LED, "1");
+
     // Disable hidapi driver for xbox. Already default on Windows, this causes conflict with native
     // driver on Linux.
     SDL_SetHint(SDL_HINT_JOYSTICK_HIDAPI_XBOX, "0");
@@ -789,7 +803,9 @@ ButtonMapping SDLDriver::GetButtonMappingForDevice(const Common::ParamPackage& p
     // This list also excludes Screenshot since there's not really a mapping for that
     ButtonBindings switch_to_sdl_button;
 
-    if (SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO) {
+    if (SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_PRO ||
+        SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_JOYCON_LEFT ||
+        SDL_GameControllerGetType(controller) == SDL_CONTROLLER_TYPE_NINTENDO_SWITCH_JOYCON_RIGHT) {
         switch_to_sdl_button = GetNintendoButtonBinding(joystick);
     } else {
         switch_to_sdl_button = GetDefaultButtonBinding();
diff --git a/src/input_common/helpers/joycon_driver.cpp b/src/input_common/helpers/joycon_driver.cpp
index 2c8c669518..ec984a6473 100644
--- a/src/input_common/helpers/joycon_driver.cpp
+++ b/src/input_common/helpers/joycon_driver.cpp
@@ -72,6 +72,7 @@ DriverResult JoyconDriver::InitializeDevice() {
     nfc_enabled = false;
     passive_enabled = false;
     irs_enabled = false;
+    input_only_device = false;
     gyro_sensitivity = Joycon::GyroSensitivity::DPS2000;
     gyro_performance = Joycon::GyroPerformance::HZ833;
     accelerometer_sensitivity = Joycon::AccelerometerSensitivity::G8;
@@ -86,16 +87,23 @@ DriverResult JoyconDriver::InitializeDevice() {
     rumble_protocol = std::make_unique<RumbleProtocol>(hidapi_handle);
 
     // Get fixed joycon info
-    generic_protocol->GetVersionNumber(version);
-    generic_protocol->SetLowPowerMode(false);
-    generic_protocol->GetColor(color);
-    if (handle_device_type == ControllerType::Pro) {
-        // Some 3rd party controllers aren't pro controllers
-        generic_protocol->GetControllerType(device_type);
-    } else {
-        device_type = handle_device_type;
+    if (generic_protocol->GetVersionNumber(version) != DriverResult::Success) {
+        // If this command fails the device doesn't accept configuration commands
+        input_only_device = true;
     }
-    generic_protocol->GetSerialNumber(serial_number);
+
+    if (!input_only_device) {
+        generic_protocol->SetLowPowerMode(false);
+        generic_protocol->GetColor(color);
+        if (handle_device_type == ControllerType::Pro) {
+            // Some 3rd party controllers aren't pro controllers
+            generic_protocol->GetControllerType(device_type);
+        } else {
+            device_type = handle_device_type;
+        }
+        generic_protocol->GetSerialNumber(serial_number);
+    }
+
     supported_features = GetSupportedFeatures();
 
     // Get Calibration data
@@ -261,6 +269,10 @@ DriverResult JoyconDriver::SetPollingMode() {
         generic_protocol->EnableImu(false);
     }
 
+    if (input_only_device) {
+        return DriverResult::NotSupported;
+    }
+
     if (irs_protocol->IsEnabled()) {
         irs_protocol->DisableIrs();
     }
@@ -282,6 +294,7 @@ DriverResult JoyconDriver::SetPollingMode() {
         }
         irs_protocol->DisableIrs();
         LOG_ERROR(Input, "Error enabling IRS");
+        return result;
     }
 
     if (nfc_enabled && supported_features.nfc) {
@@ -291,6 +304,7 @@ DriverResult JoyconDriver::SetPollingMode() {
         }
         nfc_protocol->DisableNfc();
         LOG_ERROR(Input, "Error enabling NFC");
+        return result;
     }
 
     if (hidbus_enabled && supported_features.hidbus) {
@@ -305,6 +319,7 @@ DriverResult JoyconDriver::SetPollingMode() {
         ring_connected = false;
         ring_protocol->DisableRingCon();
         LOG_ERROR(Input, "Error enabling Ringcon");
+        return result;
     }
 
     if (passive_enabled && supported_features.passive) {
@@ -333,6 +348,10 @@ JoyconDriver::SupportedFeatures JoyconDriver::GetSupportedFeatures() {
         .vibration = true,
     };
 
+    if (input_only_device) {
+        return features;
+    }
+
     if (device_type == ControllerType::Right) {
         features.nfc = true;
         features.irs = true;
@@ -517,6 +536,11 @@ DriverResult JoyconDriver::StopNfcPolling() {
     const auto result = nfc_protocol->StopNFCPollingMode();
     disable_input_thread = false;
 
+    if (amiibo_detected) {
+        amiibo_detected = false;
+        joycon_poller->UpdateAmiibo({});
+    }
+
     return result;
 }
 
diff --git a/src/input_common/helpers/joycon_driver.h b/src/input_common/helpers/joycon_driver.h
index bc7025a213..45b32d2f88 100644
--- a/src/input_common/helpers/joycon_driver.h
+++ b/src/input_common/helpers/joycon_driver.h
@@ -120,6 +120,7 @@ private:
     // Hardware configuration
     u8 leds{};
     ReportMode mode{};
+    bool input_only_device{};
     bool passive_enabled{};   // Low power mode, Ideal for multiple controllers at the same time
     bool hidbus_enabled{};    // External device support
     bool irs_enabled{};       // Infrared camera input
diff --git a/src/input_common/helpers/joycon_protocol/common_protocol.cpp b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
index 51669261a7..88f4cec1cc 100644
--- a/src/input_common/helpers/joycon_protocol/common_protocol.cpp
+++ b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
@@ -73,7 +73,7 @@ DriverResult JoyconCommonProtocol::SendRawData(std::span<const u8> buffer) {
 DriverResult JoyconCommonProtocol::GetSubCommandResponse(SubCommand sc,
                                                          SubCommandResponse& output) {
     constexpr int timeout_mili = 66;
-    constexpr int MaxTries = 15;
+    constexpr int MaxTries = 3;
     int tries = 0;
 
     do {
@@ -113,9 +113,7 @@ DriverResult JoyconCommonProtocol::SendSubCommand(SubCommand sc, std::span<const
         return result;
     }
 
-    result = GetSubCommandResponse(sc, output);
-
-    return DriverResult::Success;
+    return GetSubCommandResponse(sc, output);
 }
 
 DriverResult JoyconCommonProtocol::SendSubCommand(SubCommand sc, std::span<const u8> buffer) {
@@ -158,7 +156,7 @@ DriverResult JoyconCommonProtocol::SendVibrationReport(std::span<const u8> buffe
 
 DriverResult JoyconCommonProtocol::ReadRawSPI(SpiAddress addr, std::span<u8> output) {
     constexpr std::size_t HeaderSize = 5;
-    constexpr std::size_t MaxTries = 10;
+    constexpr std::size_t MaxTries = 5;
     std::size_t tries = 0;
     SubCommandResponse response{};
     std::array<u8, sizeof(ReadSpiPacket)> buffer{};