hle: Stub IHidbusServer.GetBusHandle (#5284)

src/Ryujinx.HLE/HOS/Services/Hid/IHidbusServer.cs

@@ -1,8 +1,29 @@
-namespace Ryujinx.HLE.HOS.Services.Hid
+using Ryujinx.Common;
+using Ryujinx.Common.Logging;
+
+namespace Ryujinx.HLE.HOS.Services.Hid
 {
     [Service("hidbus")]
     class IHidbusServer : IpcService
     {
         public IHidbusServer(ServiceCtx context) { }
+
+        [CommandCmif(1)]
+        // GetBusHandle(nn::hid::NpadIdType, nn::hidbus::BusType, nn::applet::AppletResourceUserId) -> (bool HasHandle, nn::hidbus::BusHandle)
+        public ResultCode GetBusHandle(ServiceCtx context)
+        {
+            NpadIdType npadIdType           = (NpadIdType)context.RequestData.ReadInt32();
+            context.RequestData.BaseStream.Position += 4; // Padding
+            BusType    busType              = (BusType)context.RequestData.ReadInt64();
+            long       appletResourceUserId = context.RequestData.ReadInt64();
+
+            context.ResponseData.Write(false);
+            context.ResponseData.BaseStream.Position += 7; // Padding
+            context.ResponseData.WriteStruct(new BusHandle());
+
+            Logger.Stub?.PrintStub(LogClass.ServiceHid, new { npadIdType, busType, appletResourceUserId });
+
+            return ResultCode.Success;
+        }
     }
 }

src/Ryujinx.HLE/HOS/Services/Hid/Types/Npad/BusHandle.cs

@@ -0,0 +1,14 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.HLE.HOS.Services.Hid
+{
+    [StructLayout(LayoutKind.Sequential)]
+    struct BusHandle
+    {
+        public int  AbstractedPadId;
+        public byte InternalIndex;
+        public byte PlayerNumber;
+        public byte BusTypeId;
+        public byte IsValid;
+    }
+}

src/Ryujinx.HLE/HOS/Services/Hid/Types/Npad/BusType.cs

@@ -0,0 +1,9 @@
+namespace Ryujinx.HLE.HOS.Services.Hid
+{
+    public enum BusType : long
+    {
+        LeftJoyRail  = 0,
+        RightJoyRail = 1,
+        InternalBus  = 2
+    }
+}