power: Add Power interface 1.0 (3becdbb8) · Commits · e / os / android_hardware_interfaces

Android.bp

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		@@ -6,6 +6,7 @@ subdirs = [
		"nfc/1.0",
		"nfc/1.0/default",
		"radio/1.0",
		"power/1.0",
		"tests/bar/1.0",
		"tests/baz/1.0",
		"tests/expression/1.0",

power/1.0/Android.bp

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		// This file is autogenerated by hidl-gen. Do not edit manually.

		genrule {
		name: "android.hardware.power@1.0_genc++",
		tool: "hidl-gen",
		cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.power@1.0",
		srcs: [
		"types.hal",
		"IPower.hal",
		],
		out: [
		"android/hardware/power/1.0/types.cpp",
		"android/hardware/power/1.0/PowerAll.cpp",
		],
		}

		genrule {
		name: "android.hardware.power@1.0_genc++_headers",
		tool: "hidl-gen",
		cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.power@1.0",
		srcs: [
		"types.hal",
		"IPower.hal",
		],
		out: [
		"android/hardware/power/1.0/types.h",
		"android/hardware/power/1.0/IPower.h",
		"android/hardware/power/1.0/IHwPower.h",
		"android/hardware/power/1.0/BnPower.h",
		"android/hardware/power/1.0/BpPower.h",
		"android/hardware/power/1.0/BsPower.h",
		],
		}

		cc_library_shared {
		name: "android.hardware.power@1.0",
		generated_sources: ["android.hardware.power@1.0_genc++"],
		generated_headers: ["android.hardware.power@1.0_genc++_headers"],
		export_generated_headers: ["android.hardware.power@1.0_genc++_headers"],
		shared_libs: [
		"libhidl",
		"libhwbinder",
		"libutils",
		"libcutils",
		],
		}

power/1.0/Android.mk

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		# This file is autogenerated by hidl-gen. Do not edit manually.

		LOCAL_PATH := $(call my-dir)

		################################################################################

		include $(CLEAR_VARS)
		LOCAL_MODULE := android.hardware.power@1.0-java
		LOCAL_MODULE_CLASS := JAVA_LIBRARIES

		intermediates := $(local-generated-sources-dir)

		HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)

		#
		# Build types.hal (Feature)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/Feature.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.Feature

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerHint)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerHint.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerHint

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerStatePlatformSleepState)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerStatePlatformSleepState.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerStatePlatformSleepState

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerStateVoter)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerStateVoter.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerStateVoter

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (Status)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/Status.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.Status

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build IPower.hal
		#
		GEN := $(intermediates)/android/hardware/power/1.0/IPower.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IPower.hal
		$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
		$(GEN): $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::IPower

		$(GEN): $(LOCAL_PATH)/IPower.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)
		include $(BUILD_JAVA_LIBRARY)


		################################################################################

		include $(CLEAR_VARS)
		LOCAL_MODULE := android.hardware.power@1.0-java-static
		LOCAL_MODULE_CLASS := JAVA_LIBRARIES

		intermediates := $(local-generated-sources-dir)

		HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)

		#
		# Build types.hal (Feature)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/Feature.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.Feature

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerHint)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerHint.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerHint

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerStatePlatformSleepState)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerStatePlatformSleepState.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerStatePlatformSleepState

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (PowerStateVoter)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/PowerStateVoter.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.PowerStateVoter

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build types.hal (Status)
		#
		GEN := $(intermediates)/android/hardware/power/1.0/Status.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::types.Status

		$(GEN): $(LOCAL_PATH)/types.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)

		#
		# Build IPower.hal
		#
		GEN := $(intermediates)/android/hardware/power/1.0/IPower.java
		$(GEN): $(HIDL)
		$(GEN): PRIVATE_HIDL := $(HIDL)
		$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IPower.hal
		$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
		$(GEN): $(LOCAL_PATH)/types.hal
		$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
		$(GEN): PRIVATE_CUSTOM_TOOL = \
		$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
		-Ljava -randroid.hardware:hardware/interfaces \
		android.hardware.power@1.0::IPower

		$(GEN): $(LOCAL_PATH)/IPower.hal
		$(transform-generated-source)
		LOCAL_GENERATED_SOURCES += $(GEN)
		include $(BUILD_STATIC_JAVA_LIBRARY)



		include $(call all-makefiles-under,$(LOCAL_PATH))

power/1.0/IPower.hal

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		/*
		* Copyright (C) 2016 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@1.0;

		/*
		* Constructor for the interface performs power management setup actions at
		* runtime startup, such as to set default cpufreq parameters.
		*/
		interface IPower {
		/*
		* setInteractive() performs power management actions upon the
		* system entering interactive state (that is, the system is awake
		* and ready for interaction, often with UI devices such as
		* display and touchscreen enabled) or non-interactive state (the
		* system appears asleep, display usually turned off). The
		* non-interactive state may be entered after a period of
		* inactivity in order to conserve battery power during
		* such inactive periods.
		*
		* Typical actions are to turn on or off devices and adjust
		* cpufreq parameters. This function may also call the
		* appropriate interfaces to allow the kernel to suspend the
		* system to low-power sleep state when entering non-interactive
		* state, and to disallow low-power suspend when the system is in
		* interactive state. When low-power suspend state is allowed, the
		* kernel may suspend the system whenever no wakelocks are held.
		*
		* For example,
		* This function can be called to enter non-interactive state after
		* turning off the screen (if present) and called to enter
		* interactive state prior to turning on the screen.
		*
		* @param interactive is true when the system is transitioning to an
		* interactive state and false when transitioning to a
		* non-interactive state.
		*/
		setInteractive(bool interactive);

		/*
		* powerHint() is 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.
		*/
		powerHint(PowerHint hint, int32_t data);

		/*
		* setFeature() is called to turn on or off a particular feature
		* depending on the state parameter.
		*
		* @param feature Feature which needs to be set
		* @param activate true/false to enable/disable the feature
		*/
		setFeature(Feature feature, bool activate);

		/*
		* Platform-level sleep state stats:
		* Report cumulative info on the statistics on platform-level sleep states
		* since boot.
		*
		* Higher the index in the returned <states> vector deeper the state is
		* i.e. lesser steady-state power is consumed by the platform to be
		* resident in that state.
		*
		* @return states of power states the device supports
		* @return retval SUCCESS on success or FILESYSTEM_ERROR on filesystem
		* nodes access error.
		*/
		getPlatformLowPowerStats()
		generates (vec<PowerStatePlatformSleepState> states, Status retval);
		};

power/1.0/types.hal

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		/*
		* Copyright (C) 2016 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@1.0;

		/* Power hint identifiers passed to powerHint() */
		enum PowerHint : uint32_t {
		/*
		* Foreground app has started or stopped requesting a VSYNC pulse
		* from SurfaceFlinger. If the app has started requesting VSYNC
		* then CPU and GPU load is expected soon, and it may be appropriate
		* to raise speeds of CPU, memory bus, etc. The data parameter is
		* non-zero to indicate VSYNC pulse is now requested, or zero for
		* VSYNC pulse no longer requested.
		*/
		VSYNC = 0x00000001,


		/*
		* User is interacting with the device, for example, touchscreen
		* events are incoming. CPU and GPU load may be expected soon,
		* and it may be appropriate to raise speeds of CPU, memory bus,
		* etc. The data parameter is the estimated length of the interaction
		* in milliseconds, or 0 if unknown.
		*/
		INTERACTION = 0x00000002,


		/* DO NOT USE VIDEO_ENCODE/_DECODE! They will be removed in
		* KLP.
		*/
		VIDEO_ENCODE = 0x00000003,
		VIDEO_DECODE = 0x00000004,

		/*
		* Low power mode is activated or deactivated. Low power mode
		* is intended to save battery at the cost of performance. The data
		* parameter is non-zero when low power mode is activated, and zero
		* when deactivated.
		*/
		LOW_POWER = 0x00000005,

		/*
		* Sustained Performance mode is actived or deactivated. Sustained
		* performance mode is intended to provide a consistent level of
		* performance for a prolonged amount of time. The data parameter is
		* non-zero when sustained performance mode is activated, and zero
		* when deactivated.
		*/
		SUSTAINED_PERFORMANCE = 0x00000006,

		/*
		* VR Mode is activated or deactivated. VR mode is intended to
		* provide minimum guarantee for performance for the amount of time the
		* device can sustain it. The data parameter is non-zero when the mode
		* is activated and zero when deactivated.
		*/
		VR_MODE = 0x00000007,

		/*
		* This hint indicates that an application has been launched. Can be used
		* for device specific optimizations during application launch. The data
		* parameter is non-zero when the application starts to launch and zero when
		* it has been launched.
		*/
		LAUNCH = 0x00000008,

		/*
		* When device enters some special modes, e.g. theater mode in Android
		* Wear, there is no touch interaction expected between device and user.
		* Touch controller could be disabled in those modes to save power.
		* The data parameter is non-zero when touch could be disabled, and zero
		* when touch needs to be re-enabled.
		*/
		DISABLE_TOUCH = 0x00000009
		};

		enum Feature : uint32_t {
		/*
		* Enabling/Disabling this feature will allow/disallow the system
		* to wake up by tapping the screen twice.
		*/
		POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 0x00000001
		};

		enum Status : uint32_t {
		SUCCESS = 0,
		FILESYSTEM_ERROR = 1
		};
		/*
		* Platform-level sleep state stats:
		* PowerStateVoter struct is useful for describing the individual voters
		* when a Platform-level sleep state is chosen by aggregation of votes from
		* multiple clients/system conditions.
		*
		* This helps in attirbuting what in the device is blocking the device from
		* entering the lowest Platform-level sleep state.
		*/
		struct PowerStateVoter {
		/*
		* Name of the voter.
		*/
		string name;

		/*
		* Total time in msec the voter voted for the platform sleep state since
		* boot.
		*/
		uint64_t totalTimeInMsecVotedForSinceBoot;

		/*
		* Number of times the voter voted for the platform sleep state since boot.
		*/
		uint64_t totalNumberOfTimesVotedSinceBoot;
		};

		/*
		* Platform-level sleep state stats:
		* PowerStatePlatformSleepState represents the Platform-level sleep state
		* the device is capable of getting into.
		*
		* SoCs usually have more than one Platform-level sleep state.
		*/
		struct PowerStatePlatformSleepState {
		/*
		* Platform-level Sleep state name.
		*/
		string name;

		/*
		* Time spent in msec at this platform-level sleep state since boot.
		*/
		uint64_t residencyInMsecSinceBoot;

		/*
		* Total number of times system entered this state.
		*/
		uint64_t totalTransitions;

		/*
		* This platform-level sleep state can only be reached during system suspend
		*/
		bool supportedOnlyInSuspend;

		/*
		* voters is useful if the Platform-level sleep state
		* is chosen by aggregation votes from multiple clients/system conditions.
		* All the voters have to say yes or all the system conditions need to be
		* met to enter a platform-level sleep state.
		*
		* Vector of size zero implies either the info is not available
		* or the system does not follow a voting mechanism to choose this
		* Platform-level sleep state.
		*/
		vec<PowerStateVoter> voters;
		};