power hal: Add power HAL API 1.2

Extend more powerHint types

Test result: #./VtsHalPowerV1_2TargetTest
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from PowerHidlTest
[ RUN      ] PowerHidlTest.PowerHintAsync_1_2
[       OK ] PowerHidlTest.PowerHintAsync_1_2 (9 ms)
[----------] 1 test from PowerHidlTest (9 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (10 ms total)
[  PASSED  ] 1 test.

Bug: 62041945
Test: run VTS
Change-Id: If6c9d19962907bcb96ea83e9297f74e80a743b9e

5 files changed, 240 insertions, 0 deletions

diff --git a/power/1.2/Android.bp b/power/1.2/Android.bp
new file mode 100644
index 000000000..0eb73e7a4
--- /dev/null
+++ b/power/1.2/Android.bp
@@ -0,0 +1,23 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.power@1.2",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+        "IPower.hal",
+    ],
+    interfaces: [
+        "android.hardware.power@1.0",
+        "android.hardware.power@1.1",
+        "android.hidl.base@1.0",
+    ],
+    types: [
+        "PowerHint",
+    ],
+    gen_java: true,
+}
+
diff --git a/power/1.2/IPower.hal b/power/1.2/IPower.hal
new file mode 100644
index 000000000..1c2c7b85a
--- /dev/null
+++ b/power/1.2/IPower.hal
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2017 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.power@1.2;
+
+import @1.1::IPower;
+
+interface IPower extends @1.1::IPower {
+    /**
+     * called to pass hints on power requirements which
+     * may result in adjustment of power/performance parameters of the
+     * cpufreq governor and other controls.
+     *
+     * A particular platform may choose to ignore any hint.
+     *
+     * @param hint PowerHint which is passed
+     * @param data contains additional information about the hint
+     * and is described along with the comments for each of the hints.
+     */
+    oneway powerHintAsync_1_2(PowerHint hint, int32_t data);
+};
diff --git a/power/1.2/types.hal b/power/1.2/types.hal
new file mode 100644
index 000000000..f7a6cf687
--- /dev/null
+++ b/power/1.2/types.hal
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2017 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.power@1.2;
+
+import @1.0::PowerHint;
+
+/** Power hint identifiers passed to powerHintAsync_1_2() */
+enum PowerHint : @1.0::PowerHint {
+   /**
+    * This hint indicates that audio stream is being started. Can be used
+    * for device specific optimizations during starting audio stream. The
+    * data parameter is non-zero when stream starts and zero when audio
+    * stream setup is complete.
+    */
+    AUDIO_STREAMING,
+
+   /**
+    * This hint indicates that low latency audio is active. Can be used
+    * for device specific optimizations towards low latency audio. The
+    * data parameter is non-zero when low latency audio starts and
+    * zero when ends.
+    */
+    AUDIO_LOW_LATENCY,
+
+   /**
+    * These hint indicates that camera is being launched. Can be used
+    * for device specific optimizations during camera launch. The data
+    * parameter is non-zero when camera launch starts and zero when launch
+    * is complete.
+    */
+    CAMERA_LAUNCH,
+
+   /**
+    * This hint indicates that camera stream is being started. Can be used
+    * for device specific optimizations during starting camera stream. The
+    * data parameter is non-zero when stream starts and zero when ends.
+    */
+    CAMERA_STREAMING,
+
+   /**
+    * This hint indicates that camera shot is being taken. Can be used
+    * for device specific optimizations during taking camera shot. The
+    * data parameter is non-zero when camera shot starts and zero when ends.
+    */
+    CAMERA_SHOT,
+};
diff --git a/power/1.2/vts/functional/Android.bp b/power/1.2/vts/functional/Android.bp
new file mode 100644
index 000000000..d615e85a7
--- /dev/null
+++ b/power/1.2/vts/functional/Android.bp
@@ -0,0 +1,26 @@
+//
+// Copyright (C) 2017 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.
+//
+
+cc_test {
+    name: "VtsHalPowerV1_2TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: ["VtsHalPowerV1_2TargetTest.cpp"],
+    static_libs: [
+        "android.hardware.power@1.0",
+        "android.hardware.power@1.1",
+        "android.hardware.power@1.2",
+    ],
+}
diff --git a/power/1.2/vts/functional/VtsHalPowerV1_2TargetTest.cpp b/power/1.2/vts/functional/VtsHalPowerV1_2TargetTest.cpp
new file mode 100644
index 000000000..5e929971f
--- /dev/null
+++ b/power/1.2/vts/functional/VtsHalPowerV1_2TargetTest.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#define LOG_TAG "power_hidl_hal_test"
+#include <android-base/logging.h>
+#include <android/hardware/power/1.2/IPower.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
+
+using ::android::sp;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::power::V1_2::IPower;
+using ::android::hardware::power::V1_2::PowerHint;
+
+// Test environment for Power HIDL HAL.
+class PowerHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static PowerHidlEnvironment* Instance() {
+        static PowerHidlEnvironment* instance = new PowerHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IPower>(); }
+};
+
+class PowerHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+   public:
+    virtual void SetUp() override {
+        power = ::testing::VtsHalHidlTargetTestBase::getService<IPower>(
+            PowerHidlEnvironment::Instance()->getServiceName<IPower>());
+        ASSERT_NE(power, nullptr);
+    }
+
+    sp<IPower> power;
+};
+
+// Sanity check Power::PowerHintAsync_1_2 on good and bad inputs.
+TEST_F(PowerHidlTest, PowerHintAsync_1_2) {
+    std::vector<PowerHint> hints;
+    for (uint32_t i = static_cast<uint32_t>(PowerHint::VSYNC);
+         i <= static_cast<uint32_t>(PowerHint::CAMERA_SHOT); ++i) {
+        hints.emplace_back(static_cast<PowerHint>(i));
+    }
+    PowerHint badHint = static_cast<PowerHint>(0xFF);
+    hints.emplace_back(badHint);
+
+    Return<void> ret;
+    for (auto& hint : hints) {
+        ret = power->powerHintAsync_1_2(hint, 30000);
+        ASSERT_TRUE(ret.isOk());
+
+        ret = power->powerHintAsync_1_2(hint, 0);
+        ASSERT_TRUE(ret.isOk());
+    }
+
+    // Turning these hints on in different orders triggers different code paths,
+    // so iterate over possible orderings.
+    std::vector<PowerHint> hints2 = {PowerHint::AUDIO_STREAMING, PowerHint::CAMERA_LAUNCH,
+                                     PowerHint::CAMERA_STREAMING, PowerHint::CAMERA_SHOT};
+    auto compareHints = [](PowerHint l, PowerHint r) {
+        return static_cast<uint32_t>(l) < static_cast<uint32_t>(r);
+    };
+    std::sort(hints2.begin(), hints2.end(), compareHints);
+    do {
+        for (auto iter = hints2.begin(); iter != hints2.end(); iter++) {
+            ret = power->powerHintAsync_1_2(*iter, 0);
+            ASSERT_TRUE(ret.isOk());
+        }
+        for (auto iter = hints2.begin(); iter != hints2.end(); iter++) {
+            ret = power->powerHintAsync_1_2(*iter, 30000);
+            ASSERT_TRUE(ret.isOk());
+        }
+    } while (std::next_permutation(hints2.begin(), hints2.end(), compareHints));
+}
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(PowerHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    PowerHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    LOG(INFO) << "Test result = " << status;
+    return status;
+}