| /* |
| * 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, |
| }; |
| |
| 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; |
| }; |