Add AppleALC support

CHANGELOG.md

@@ -5,6 +5,7 @@
   - Aids BootCamp support for EFI based installs on 2010 and older Macs
 - Fix CPU Boosting on 2011 and older Macs
 - Add basic support for Xserve2,1
+- Add AppleALC support(b24daa4 - 1.6.0 rolling - 04-09-2021), remove AppleHDA patching requirement
 
 ## 0.0.21
 - Fix botched images in OpenCanopy

Resources/Constants.py

@@ -23,7 +23,7 @@ class Constants:
         self.telemetrap_version = "1.0.0"
         self.io80211high_sierra_version = "1.0.0"
         self.io80211mojave_version = "1.0.0"
-        self.voodoohda_version = "296"
+        self.applealc_version = "1.6.0"
         self.restrictevents_version = "1.0.0"
         self.restrictevents_mbp_version = "1.0.1"
         self.piixata_version = "1.0.0"
@@ -128,7 +128,7 @@ class Constants:
     @property
     def io80211mojave_path(self): return self.payload_kexts_path / Path(f"Wifi/IO80211Mojave-v{self.io80211mojave_version}.zip")
     @property
-    def voodoohda_path(self): return self.payload_kexts_path / Path(f"Audio/VoodooHDA-v{self.voodoohda_version}.zip")
+    def applealc_path(self): return self.payload_kexts_path / Path(f"Acidanthera/AppleALC-v{self.applealc_version}.zip")
     @property
     def piixata_path(self): return self.payload_kexts_path / Path(f"Misc/AppleIntelPIIXATA-v{self.piixata_version}.zip")
     @property

Resources/ModelArray.py

@@ -281,6 +281,26 @@ LegacyAudio = [
     "Dortania1,1"
 ]
 
+nvidiaHDEF = [
+    "MacBook5,1",
+    "MacBook5,2",
+    "MacBook6,1",
+    "MacBook7,1",
+    "MacBookAir2,1",
+    "MacBookAir3,1",
+    "MacBookAir3,2",
+    "MacBookPro5,1",
+    "MacBookPro5,2",
+    "MacBookPro5,3",
+    "MacBookPro5,4",
+    "MacBookPro5,5",
+    "MacBookPro7,1",
+    "Macmini3,1",
+    "Macmini4,1",
+    "iMac9,1",
+    "iMac10,1"
+]
+
 ## GPU
 
 LegacyGPU = [

Resources/SysPatch.py

@@ -176,15 +176,6 @@ class PatchSysVolume:
         self.constants.current_gpuv = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Vendor"))][0]
         self.constants.current_gpud = [line.strip().split(": ", 1)[1] for line in current_gpu.split("\n") if line.strip().startswith(("Device ID"))][0]
 
-        # Start Patch engine
-        if self.model in ModelArray.LegacyAudio:
-            print("- Attempting AppleHDA Patch")
-            subprocess.run(f"sudo rm -R {self.mount_extensions}/AppleHDA.kext".split(), stdout=subprocess.PIPE).stdout.decode().strip().encode()
-            subprocess.run(f"sudo cp -R {self.constants.applehda_path} {self.mount_extensions}".split(), stdout=subprocess.PIPE).stdout.decode().strip().encode()
-            subprocess.run(f"sudo chmod -Rf 755 {self.mount_extensions}/AppleHDA.kext".split(), stdout=subprocess.PIPE).stdout.decode().strip().encode()
-            subprocess.run(f"sudo chown -Rf root:wheel {self.mount_extensions}/AppleHDA.kext".split(), stdout=subprocess.PIPE).stdout.decode().strip().encode()
-            rebuild_required = True
-
         if (self.model in ModelArray.LegacyGPU) and (Path(self.constants.hiddhack_path).exists()):
             print(f"- Detected GPU: {self.constants.current_gpuv} {self.constants.current_gpud}")
             if (self.constants.current_gpuv == "AMD (0x1002)") & (self.constants.current_gpud in ModelArray.AMDMXMGPUs):

Resources/build.py

@@ -89,7 +89,7 @@ class BuildOpenCore:
             ("MarvelYukonEthernet.kext", self.constants.marvel_version, self.constants.marvel_path, lambda: self.model in ModelArray.EthernetMarvell),
             ("CatalinaBCM5701Ethernet.kext", self.constants.bcm570_version, self.constants.bcm570_path, lambda: self.model in ModelArray.EthernetBroadcom),
             # Legacy audio
-            #("VoodooHDA.kext", self.constants.voodoohda_version, self.constants.voodoohda_path, lambda: self.model in ModelArray.LegacyAudio),
+            ("AppleALC.kext", self.constants.applealc_version, self.constants.applealc_path, lambda: self.model in ModelArray.LegacyAudio),
             # IDE patch
             ("AppleIntelPIIXATA.kext", self.constants.piixata_version, self.constants.piixata_path, lambda: self.model in ModelArray.IDEPatch),
             # Hibernation Tests
@@ -198,6 +198,18 @@ class BuildOpenCore:
             print("- Setting HiDPI picker")
             self.config["NVRAM"]["Add"]["4D1EDE05-38C7-4A6A-9CC6-4BCCA8B38C14"]["UIScale"] = binascii.unhexlify("02")
 
+        # Audio Patch
+        if self.model in ModelArray.LegacyAudio:
+            print("- Adding audio properties")
+            if self.model in ModelArray.nvidiaHDEF:
+                hdef_path = "PciRoot(0x0)/Pci(0x8,0x0)"
+            else:
+                hdef_path = "PciRoot(0x0)/Pci(0x1b,0x0)"
+            # In AppleALC, MacPro3,1's original layout is already in use, forcing layout 13 instead
+            if self.model != "MacPro3,1":
+                self.config["DeviceProperties"]["Add"][hdef_path] = {"apple-layout-id": 90, "use-apple-layout-id": 1, "alc-layout-id": 13,}
+            else:
+                self.config["DeviceProperties"]["Add"][hdef_path] = {"apple-layout-id": 90, "use-apple-layout-id": 1, "use-layout-id": 1,}
 
         def nvidia_patch(self):
             self.constants.custom_mxm_gpu = True

payloads/Config/v0.6.8/config.plist

@@ -210,6 +210,24 @@
 				<key>PlistPath</key>
 				<string>Contents/Info.plist</string>
 			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>Comment</key>
+				<string>AppleHDA Patching</string>
+				<key>Enabled</key>
+				<false/>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string>19.0.0</string>
+				<key>BundlePath</key>
+				<string>AppleALC.kext</string>
+				<key>ExecutablePath</key>
+				<string>Contents/MacOS/AppleALC</string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
 			<dict>
 				<key>Arch</key>
 				<string>x86_64</string>