From 546f3082a2ffee102c98e89472735adbf5d0e767 Mon Sep 17 00:00:00 2001
From: Sanjay Govind <sanjay.govind9@gmail.com>
Date: Sat, 6 Jun 2026 03:08:46 +0800
Subject: [PATCH] usb_device: present wii instruments as PS3 instruments
 (#18796)

The instruments work exactly the same but the IDs are different, so
doing this allows them to work in games
---
 rpcs3/Emu/Io/usb_device.cpp | 37 +++++++++++++++++++++++++++++++++++++
 rpcs3/Emu/Io/usb_device.h   |  3 +++
 2 files changed, 40 insertions(+)

diff --git a/rpcs3/Emu/Io/usb_device.cpp b/rpcs3/Emu/Io/usb_device.cpp
index dd745e7e46..93a1a6490e 100644
--- a/rpcs3/Emu/Io/usb_device.cpp
+++ b/rpcs3/Emu/Io/usb_device.cpp
@@ -75,6 +75,42 @@ usb_device_passthrough::usb_device_passthrough(libusb_device* _device, libusb_de
 {
 	device = UsbDescriptorNode(USB_DESCRIPTOR_DEVICE, UsbDeviceDescriptor{desc.bcdUSB, desc.bDeviceClass, desc.bDeviceSubClass, desc.bDeviceProtocol, desc.bMaxPacketSize0, desc.idVendor, desc.idProduct,
 														  desc.bcdDevice, desc.iManufacturer, desc.iProduct, desc.iSerialNumber, desc.bNumConfigurations});
+	patch_descriptors();
+}
+
+void usb_device_passthrough::patch_descriptors()
+{
+	// Patch Wii vids and pids so they are presented to the console as PS3 instruments
+	if (device._device.idVendor == 0x1BAD) // Harmonix
+	{
+		switch (device._device.idProduct)
+		{
+			case 0x0004: // Harmonix RB1 Guitar - Wii
+			case 0x3010: // Harmonix RB2 Guitar - Wii
+				device._device.idVendor = 0x12BA; // SCEA
+				device._device.idProduct = 0x0200; // Harmonix Guitar
+				break;
+			case 0x0005: // Harmonix RB1 Drums - Wii
+			case 0x3110: // Harmonix RB2 Drums - Wii
+				device._device.idVendor = 0x12BA; // SCEA
+				device._device.idProduct = 0x0210; // Harmonix Drums
+				break;
+			case 0x3330: // Harmonix Keyboard - Wii
+				device._device.idVendor = 0x12BA; // SCEA
+				device._device.idProduct = 0x2330; // Harmonix Keyboard
+				break;
+			case 0x3430: // Harmonix Button Guitar - Wii
+				device._device.idVendor = 0x12BA; // SCEA
+				device._device.idProduct = 0x2430; // Harmonix Button Guitar
+				break;
+			case 0x3530: // Harmonix Real Guitar - Wii
+				device._device.idVendor = 0x12BA; // SCEA
+				device._device.idProduct = 0x2530; // Harmonix Real Guitar
+				break;
+			default:
+				break;
+		}
+	}
 }
 
 usb_device_passthrough::~usb_device_passthrough()
@@ -153,6 +189,7 @@ void usb_device_passthrough::read_descriptors()
 			index += buf[index];
 		}
 	}
+	patch_descriptors();
 }
 
 u32 usb_device_passthrough::get_configuration(u8* buf)
diff --git a/rpcs3/Emu/Io/usb_device.h b/rpcs3/Emu/Io/usb_device.h
index 2e4818f70c..0b74719f64 100644
--- a/rpcs3/Emu/Io/usb_device.h
+++ b/rpcs3/Emu/Io/usb_device.h
@@ -277,6 +277,9 @@ protected:
 protected:
 	libusb_device* lusb_device        = nullptr;
 	libusb_device_handle* lusb_handle = nullptr;
+
+private:
+	void patch_descriptors();
 };
 
 class usb_device_emulated : public usb_device