graphics: Add composer 2.3
The 2.3 interface adds IComposerClient.getDisplayIdentificationData,
which enables display identification for generalized multi-display
support.
Bug: 74619554
Test: VtsHalGraphicsComposerV2_3TargetTest
Change-Id: I303e722ce938fe0af4fc77da812e3525d8c90251
diff --git a/graphics/composer/2.3/IComposerClient.hal b/graphics/composer/2.3/IComposerClient.hal
new file mode 100644
index 0000000..77dd3ee
--- /dev/null
+++ b/graphics/composer/2.3/IComposerClient.hal
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.graphics.composer@2.3;
+
+import @2.2::IComposerClient;
+import @2.1::Display;
+import @2.1::Error;
+
+interface IComposerClient extends @2.2::IComposerClient {
+
+ /**
+ * Returns the port and data that describe a physical display. The port is
+ * a unique number that identifies a physical connector (e.g. eDP, HDMI)
+ * for display output. The data blob is parsed to determine its format,
+ * typically EDID 1.3 as specified in VESA E-EDID Standard Release A
+ * Revision 1.
+ *
+ * @param display is the display to query.
+ * @return error is NONE upon success. Otherwise,
+ * BAD_DISPLAY when an invalid display handle was passed in.
+ * UNSUPPORTED when identification data is unavailable.
+ * @return port is the connector to which the display is connected.
+ * @return data is the EDID 1.3 blob identifying the display.
+ */
+ @callflow(next="*")
+ getDisplayIdentificationData(Display display)
+ generates (Error error,
+ uint8_t port,
+ vec<uint8_t> data);
+
+};