board_inspector: extract Compatible IDs of devices

In addition to the mandatory _HID (Hardware ID), the ACPI spec also defines
an optional _CID (Compatible ID) object for device identification.

This patch enhances the ACPI extractor by parsing the _CID objects of devices as
well.

Tracked-On: #6320
Signed-off-by: Junjie Mao <junjie.mao@intel.com>

misc/config_tools/board_inspector/extractors/50-acpi.py

@@ -142,11 +142,32 @@ def fetch_device_info(devices_node, interpreter, namepath):
             else:
                 hid = "<unknown>"
 
+        # Compatible ID
+        cids = []
+        if interpreter.context.has_symbol(f"{namepath}._CID"):
+            cid_object = interpreter.interpret_method_call(f"{namepath}._CID")
+            if isinstance(cid_object, (datatypes.String, datatypes.Integer)):
+                cid_data = [cid_object]
+            elif isinstance(cid_object, datatypes.Package):
+                cid_data = cid_object.elements
+
+            for cid_datum in cid_data:
+                if isinstance(cid_datum, datatypes.Integer):
+                    eisa_id = parse_eisa_id(cid_datum.get())
+                    if eisa_id:
+                        cids.append(eisa_id)
+                    else:
+                        cids.append(hex(cid_datum.get()))
+                elif isinstance(cid_datum, datatypes.String):
+                    cids.append(cid_datum.get())
+
         # Create the XML element for the device and create its ancestors if necessary
         element = get_device_element(devices_node, namepath, hid)
         if hid in buses.keys():
             element.tag = "bus"
             element.set("type", buses[hid])
+        for cid in cids:
+            add_child(element, "compatible_id", cid)
 
         # Description
         if interpreter.context.has_symbol(f"{namepath}._STR"):

misc/config_tools/board_inspector/extractors/90-sorting.py

@@ -23,7 +23,7 @@ def getkey(child):
             return 0xFFFFFFFF
 
     tags = ["vendor", "identifier", "subsystem_vendor", "subsystem_identifier", "class",
-            "acpi_object", "status",
+            "acpi_object", "compatible_id", "status",
             "resource", "capability", "interrupt_pin_routing", "bus", "device"]
 
     if child.tag == "resource":