hidapi: Add a stub driver for Switch 2.

Thanks to kiddkaffeine for the Xcode updates!

VisualC-GDK/SDL/SDL.vcxproj

@@ -729,6 +729,7 @@
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steam_hori.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steamdeck.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch.c" />
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch2.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_wii.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360w.c" />

VisualC-GDK/SDL/SDL.vcxproj.filters

@@ -80,6 +80,7 @@
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steam_hori.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steamdeck.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch.c" />
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch2.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_wii.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360w.c" />

VisualC/SDL/SDL.vcxproj

@@ -619,6 +619,7 @@
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steam_hori.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_steamdeck.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch.c" />
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch2.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_wii.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360.c" />
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_xbox360w.c" />

VisualC/SDL/SDL.vcxproj.filters

@@ -1233,6 +1233,9 @@
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch.c">
       <Filter>joystick\hidapi</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_switch2.c">
+      <Filter>joystick\hidapi</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\src\joystick\hidapi\SDL_hidapi_wii.c">
       <Filter>joystick\hidapi</Filter>
     </ClCompile>

Xcode/SDL/SDL.xcodeproj/project.pbxproj

@@ -229,6 +229,7 @@
 		A7D8B54523E2514300DCD162 /* SDL_hidapijoystick.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C423E2513E00DCD162 /* SDL_hidapijoystick.c */; };
 		A7D8B54B23E2514300DCD162 /* SDL_hidapi_xboxone.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C523E2513E00DCD162 /* SDL_hidapi_xboxone.c */; };
 		A7D8B55123E2514300DCD162 /* SDL_hidapi_switch.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C623E2513E00DCD162 /* SDL_hidapi_switch.c */; };
+		A7D8B55123E2514300DCD163 /* SDL_hidapi_switch2.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C623E2513E00DCD163 /* SDL_hidapi_switch2.c */; };
 		A7D8B55723E2514300DCD162 /* SDL_hidapijoystick_c.h in Headers */ = {isa = PBXBuildFile; fileRef = A7D8A7C723E2513E00DCD162 /* SDL_hidapijoystick_c.h */; };
 		A7D8B55D23E2514300DCD162 /* SDL_hidapi_xbox360w.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C823E2513E00DCD162 /* SDL_hidapi_xbox360w.c */; };
 		A7D8B56323E2514300DCD162 /* SDL_hidapi_gamecube.c in Sources */ = {isa = PBXBuildFile; fileRef = A7D8A7C923E2513E00DCD162 /* SDL_hidapi_gamecube.c */; };
@@ -813,6 +814,7 @@
 		A7D8A7C423E2513E00DCD162 /* SDL_hidapijoystick.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapijoystick.c; sourceTree = "<group>"; };
 		A7D8A7C523E2513E00DCD162 /* SDL_hidapi_xboxone.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapi_xboxone.c; sourceTree = "<group>"; };
 		A7D8A7C623E2513E00DCD162 /* SDL_hidapi_switch.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapi_switch.c; sourceTree = "<group>"; };
+		A7D8A7C623E2513E00DCD163 /* SDL_hidapi_switch2.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapi_switch2.c; sourceTree = "<group>"; };
 		A7D8A7C723E2513E00DCD162 /* SDL_hidapijoystick_c.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_hidapijoystick_c.h; sourceTree = "<group>"; };
 		A7D8A7C823E2513E00DCD162 /* SDL_hidapi_xbox360w.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapi_xbox360w.c; sourceTree = "<group>"; };
 		A7D8A7C923E2513E00DCD162 /* SDL_hidapi_gamecube.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_hidapi_gamecube.c; sourceTree = "<group>"; };
@@ -1951,6 +1953,7 @@
 				F3FD042D2C9B755700824C4C /* SDL_hidapi_steam_hori.c */,
 				A797456F2B2E9D39009D224A /* SDL_hidapi_steamdeck.c */,
 				A7D8A7C623E2513E00DCD162 /* SDL_hidapi_switch.c */,
+				A7D8A7C623E2513E00DCD163 /* SDL_hidapi_switch2.c */,
 				F3D60A8228C16A1800788A3A /* SDL_hidapi_wii.c */,
 				A7D8A7C223E2513E00DCD162 /* SDL_hidapi_xbox360.c */,
 				A7D8A7C823E2513E00DCD162 /* SDL_hidapi_xbox360w.c */,
@@ -3039,6 +3042,7 @@
 				F3FA5A222B59ACE000FEAD97 /* yuv_rgb_sse.c in Sources */,
 				F3C2CB232C5DDDB2004D7998 /* SDL_categories.c in Sources */,
 				A7D8B55123E2514300DCD162 /* SDL_hidapi_switch.c in Sources */,
+				A7D8B55123E2514300DCD163 /* SDL_hidapi_switch2.c in Sources */,
 				A7D8B96223E2514400DCD162 /* SDL_strtokr.c in Sources */,
 				A7D8BB7523E2514500DCD162 /* SDL_clipboardevents.c in Sources */,
 				E4F798202AD8D87F00669F54 /* SDL_video_unsupported.c in Sources */,

include/SDL3/SDL_hints.h

@@ -1823,6 +1823,23 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_HIDAPI_SWITCH_PLAYER_LED "SDL_JOYSTICK_HIDAPI_SWITCH_PLAYER_LED"
 
+/**
+ * A variable controlling whether the HIDAPI driver for Nintendo Switch 2
+ * controllers should be used.
+ *
+ * The variable can be set to the following values:
+ *
+ * - "0": HIDAPI driver is not used.
+ * - "1": HIDAPI driver is used.
+ *
+ * The default is the value of SDL_HINT_JOYSTICK_HIDAPI.
+ *
+ * This hint should be set before initializing joysticks and gamepads.
+ *
+ * \since This hint is available since SDL 3.4.0.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_SWITCH2 "SDL_JOYSTICK_HIDAPI_SWITCH2"
+
 /**
  * A variable controlling whether Nintendo Switch Joy-Con controllers will be
  * in vertical mode when using the HIDAPI driver.

src/joystick/hidapi/SDL_hidapi_switch2.c

@@ -0,0 +1,148 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+/* This driver supports the Nintendo Switch Pro controller.
+   Code and logic contributed by Valve Corporation under the SDL zlib license.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_JOYSTICK_HIDAPI
+
+#include "../../SDL_hints_c.h"
+#include "../SDL_sysjoystick.h"
+#include "SDL_hidapijoystick_c.h"
+#include "SDL_hidapi_rumble.h"
+#include "SDL_hidapi_nintendo.h"
+
+#ifdef SDL_JOYSTICK_HIDAPI_SWITCH2
+
+static void HIDAPI_DriverSwitch2_RegisterHints(SDL_HintCallback callback, void *userdata)
+{
+    SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_SWITCH2, callback, userdata);
+}
+
+static void HIDAPI_DriverSwitch2_UnregisterHints(SDL_HintCallback callback, void *userdata)
+{
+    SDL_RemoveHintCallback(SDL_HINT_JOYSTICK_HIDAPI_SWITCH2, callback, userdata);
+}
+
+static bool HIDAPI_DriverSwitch2_IsEnabled(void)
+{
+    return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_SWITCH2, SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI, SDL_HIDAPI_DEFAULT));
+}
+
+static bool HIDAPI_DriverSwitch2_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GamepadType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
+{
+    if (vendor_id == USB_VENDOR_NINTENDO) {
+        if (product_id == USB_PRODUCT_NINTENDO_SWITCH2_GAMECUBE_CONTROLLER) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+static bool HIDAPI_DriverSwitch2_InitDevice(SDL_HIDAPI_Device *device)
+{
+    return SDL_Unsupported();
+}
+
+static int HIDAPI_DriverSwitch2_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
+{
+    return -1;
+}
+
+static void HIDAPI_DriverSwitch2_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
+{
+}
+
+static bool HIDAPI_DriverSwitch2_UpdateDevice(SDL_HIDAPI_Device *device)
+{
+    return SDL_Unsupported();
+}
+
+static bool HIDAPI_DriverSwitch2_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    return SDL_Unsupported();
+}
+
+static bool HIDAPI_DriverSwitch2_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
+{
+    return SDL_Unsupported();
+}
+
+static bool HIDAPI_DriverSwitch2_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
+{
+    return SDL_Unsupported();
+}
+
+static Uint32 HIDAPI_DriverSwitch2_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+    return 0;
+}
+
+static bool HIDAPI_DriverSwitch2_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
+{
+    return SDL_Unsupported();
+}
+
+static bool HIDAPI_DriverSwitch2_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
+{
+    return SDL_Unsupported();
+}
+
+static bool HIDAPI_DriverSwitch2_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, bool enabled)
+{
+    return SDL_Unsupported();
+}
+
+static void HIDAPI_DriverSwitch2_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
+{
+}
+
+static void HIDAPI_DriverSwitch2_FreeDevice(SDL_HIDAPI_Device *device)
+{
+}
+
+SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch2 = {
+    SDL_HINT_JOYSTICK_HIDAPI_SWITCH2,
+    true,
+    HIDAPI_DriverSwitch2_RegisterHints,
+    HIDAPI_DriverSwitch2_UnregisterHints,
+    HIDAPI_DriverSwitch2_IsEnabled,
+    HIDAPI_DriverSwitch2_IsSupportedDevice,
+    HIDAPI_DriverSwitch2_InitDevice,
+    HIDAPI_DriverSwitch2_GetDevicePlayerIndex,
+    HIDAPI_DriverSwitch2_SetDevicePlayerIndex,
+    HIDAPI_DriverSwitch2_UpdateDevice,
+    HIDAPI_DriverSwitch2_OpenJoystick,
+    HIDAPI_DriverSwitch2_RumbleJoystick,
+    HIDAPI_DriverSwitch2_RumbleJoystickTriggers,
+    HIDAPI_DriverSwitch2_GetJoystickCapabilities,
+    HIDAPI_DriverSwitch2_SetJoystickLED,
+    HIDAPI_DriverSwitch2_SendJoystickEffect,
+    HIDAPI_DriverSwitch2_SetJoystickSensorsEnabled,
+    HIDAPI_DriverSwitch2_CloseJoystick,
+    HIDAPI_DriverSwitch2_FreeDevice,
+};
+
+#endif // SDL_JOYSTICK_HIDAPI_SWITCH2
+
+#endif // SDL_JOYSTICK_HIDAPI

src/joystick/hidapi/SDL_hidapijoystick.c

@@ -75,6 +75,9 @@ static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
     &SDL_HIDAPI_DriverJoyCons,
     &SDL_HIDAPI_DriverSwitch,
 #endif
+#ifdef SDL_JOYSTICK_HIDAPI_SWITCH2
+    &SDL_HIDAPI_DriverSwitch2,
+#endif
 #ifdef SDL_JOYSTICK_HIDAPI_WII
     &SDL_HIDAPI_DriverWii,
 #endif

src/joystick/hidapi/SDL_hidapijoystick_c.h

@@ -35,6 +35,7 @@
 #define SDL_JOYSTICK_HIDAPI_STEAM
 #define SDL_JOYSTICK_HIDAPI_STEAMDECK
 #define SDL_JOYSTICK_HIDAPI_SWITCH
+#define SDL_JOYSTICK_HIDAPI_SWITCH2
 #define SDL_JOYSTICK_HIDAPI_WII
 #define SDL_JOYSTICK_HIDAPI_XBOX360
 #define SDL_JOYSTICK_HIDAPI_XBOXONE
@@ -158,6 +159,7 @@ extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverStadia;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSteam;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSteamDeck;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch;
+extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch2;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverWii;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360;
 extern SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360W;

src/joystick/usb_ids.h

@@ -103,6 +103,7 @@
 #define USB_PRODUCT_NINTENDO_SWITCH_JOYCON_PAIR           0x2008 // Used by joycond
 #define USB_PRODUCT_NINTENDO_SWITCH_JOYCON_RIGHT          0x2007
 #define USB_PRODUCT_NINTENDO_SWITCH_PRO                   0x2009
+#define USB_PRODUCT_NINTENDO_SWITCH2_GAMECUBE_CONTROLLER  0x2073
 #define USB_PRODUCT_NINTENDO_WII_REMOTE                   0x0306
 #define USB_PRODUCT_NINTENDO_WII_REMOTE2                  0x0330
 #define USB_PRODUCT_NVIDIA_SHIELD_CONTROLLER_V103         0x7210