efi_builder: Add SPI trackpad support to Sequoia

opencore_legacy_patcher/constants.py

@@ -61,6 +61,7 @@ class Constants:
         self.apfs_zlib_v2_version:  str = "12.6"  #   NoAVXFSCompressionTypeZlib (patched with AVXpel)
         self.multitouch_version:    str = "1.0.0"  #  AppleUSBMultitouch
         self.topcase_version:       str = "1.0.0"  #  AppleUSBTopCase
+        self.topcase_inj_version:   str = "1.0.0"  #  AppleTopCaseInjector
         self.intel_82574l_version:  str = "1.0.0"  #  Intel82574L
         self.intel_8254x_version:   str = "1.0.0"  #  AppleIntel8254XEthernet
         self.apple_usb_11_injector: str = "1.0.0"  #  AppleUSBUHCI/OHCI
@@ -450,6 +451,10 @@ class Constants:
     def top_case_path(self):
         return self.payload_kexts_path / Path(f"Misc/AppleUSBTopCase-v{self.topcase_version}.zip")
 
+    @property
+    def top_case_inj_path(self):
+        return self.payload_kexts_path / Path(f"Misc/AppleTopCaseInjector-v{self.topcase_inj_version}.zip")
+
     @property
     def t1_key_store_path(self):
         return self.payload_kexts_path / Path(f"Misc/AppleKeyStore-v{self.t1_key_store_version}.zip")

opencore_legacy_patcher/efi_builder/misc.py

@@ -206,6 +206,7 @@ xw
                 logging.info("- Enabling SPI-based top case support")
                 support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleHSSPISupport.kext", self.constants.apple_spi_version, self.constants.apple_spi_path)
                 support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleHSSPIHIDDriver.kext", self.constants.apple_spi_hid_version, self.constants.apple_spi_hid_path)
+                support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleTopCaseInjector.kext", self.constants.topcase_inj_version, self.constants.top_case_inj_path)
 
 
         #On-device probing

payloads/Config/config.plist

@@ -1373,6 +1373,24 @@
 				<key>PlistPath</key>
 				<string>Contents/Info.plist</string>
 			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>BundlePath</key>
+				<string>AppleTopCaseInjector.kext</string>
+				<key>Comment</key>
+				<string>AppleTopCaseInjector - SPI</string>
+				<key>Enabled</key>
+				<false/>
+				<key>ExecutablePath</key>
+				<string></string>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string>24.0.0</string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
 			<dict>
 				<key>Arch</key>
 				<string>x86_64</string>