Wei Wang | 38e5bd7 | 2019-04-03 14:58:42 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.os; |
| 18 | |
| 19 | import android.annotation.IntDef; |
| 20 | import android.annotation.NonNull; |
| 21 | import android.hardware.thermal.V2_0.CoolingType; |
| 22 | |
| 23 | import com.android.internal.util.Preconditions; |
| 24 | |
| 25 | import java.lang.annotation.Retention; |
| 26 | import java.lang.annotation.RetentionPolicy; |
| 27 | |
| 28 | /** |
| 29 | * Cooling device values used by IThermalService. |
| 30 | * |
| 31 | * @hide |
| 32 | */ |
| 33 | public final class CoolingDevice implements Parcelable { |
| 34 | /** |
| 35 | * Current throttle state of the cooling device. The value can any unsigned integer |
| 36 | * numbers between 0 and max_state defined in its driver, usually representing the |
| 37 | * associated device's power state. 0 means device is not in throttling, higher value |
| 38 | * means deeper throttling. |
| 39 | */ |
| 40 | private final long mValue; |
| 41 | /** A cooling device type from ThermalHAL */ |
| 42 | private final int mType; |
| 43 | /** Name of this cooling device */ |
| 44 | private final String mName; |
| 45 | |
| 46 | @IntDef(prefix = { "TYPE_" }, value = { |
| 47 | TYPE_FAN, |
| 48 | TYPE_BATTERY, |
| 49 | TYPE_CPU, |
| 50 | TYPE_GPU, |
| 51 | TYPE_MODEM, |
| 52 | TYPE_NPU, |
| 53 | TYPE_COMPONENT, |
| 54 | }) |
| 55 | @Retention(RetentionPolicy.SOURCE) |
| 56 | public @interface Type {} |
| 57 | |
| 58 | /** Keep in sync with hardware/interfaces/thermal/2.0/types.hal */ |
| 59 | /** Fan for active cooling */ |
| 60 | public static final int TYPE_FAN = CoolingType.FAN; |
| 61 | /** Battery charging cooling deivice */ |
| 62 | public static final int TYPE_BATTERY = CoolingType.BATTERY; |
| 63 | /** CPU cooling deivice */ |
| 64 | public static final int TYPE_CPU = CoolingType.CPU; |
| 65 | /** GPU cooling deivice */ |
| 66 | public static final int TYPE_GPU = CoolingType.GPU; |
| 67 | /** Modem cooling deivice */ |
| 68 | public static final int TYPE_MODEM = CoolingType.MODEM; |
| 69 | /** NPU/TPU cooling deivice */ |
| 70 | public static final int TYPE_NPU = CoolingType.NPU; |
| 71 | /** Generic passive cooling deivice */ |
| 72 | public static final int TYPE_COMPONENT = CoolingType.COMPONENT; |
| 73 | |
| 74 | /** |
| 75 | * Verify a valid cooling device type. |
| 76 | * |
| 77 | * @return true if a cooling device type is valid otherwise false. |
| 78 | */ |
| 79 | public static boolean isValidType(@Type int type) { |
| 80 | return type >= TYPE_FAN && type <= TYPE_COMPONENT; |
| 81 | } |
| 82 | |
| 83 | public CoolingDevice(long value, @Type int type, @NonNull String name) { |
| 84 | Preconditions.checkArgument(isValidType(type), "Invalid Type"); |
| 85 | mValue = value; |
| 86 | mType = type; |
| 87 | mName = Preconditions.checkStringNotEmpty(name); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Return the cooling device value. |
| 92 | * |
| 93 | * @return a cooling device value in int. |
| 94 | */ |
| 95 | public long getValue() { |
| 96 | return mValue; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Return the cooling device type. |
| 101 | * |
| 102 | * @return a cooling device type: TYPE_* |
| 103 | */ |
| 104 | public @Type int getType() { |
| 105 | return mType; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Return the cooling device name. |
| 110 | * |
| 111 | * @return a cooling device name as String. |
| 112 | */ |
| 113 | public String getName() { |
| 114 | return mName; |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public String toString() { |
| 119 | return "CoolingDevice{mValue=" + mValue + ", mType=" + mType + ", mName=" + mName + "}"; |
| 120 | } |
| 121 | |
| 122 | @Override |
| 123 | public int hashCode() { |
| 124 | int hash = mName.hashCode(); |
| 125 | hash = 31 * hash + Long.hashCode(mValue); |
| 126 | hash = 31 * hash + mType; |
| 127 | return hash; |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public boolean equals(Object o) { |
| 132 | if (!(o instanceof CoolingDevice)) { |
| 133 | return false; |
| 134 | } |
| 135 | CoolingDevice other = (CoolingDevice) o; |
| 136 | return other.mValue == mValue && other.mType == mType && other.mName.equals(mName); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void writeToParcel(Parcel p, int flags) { |
| 141 | p.writeLong(mValue); |
| 142 | p.writeInt(mType); |
| 143 | p.writeString(mName); |
| 144 | } |
| 145 | |
| 146 | public static final @android.annotation.NonNull Parcelable.Creator<CoolingDevice> CREATOR = |
| 147 | new Parcelable.Creator<CoolingDevice>() { |
| 148 | @Override |
| 149 | public CoolingDevice createFromParcel(Parcel p) { |
| 150 | long value = p.readLong(); |
| 151 | int type = p.readInt(); |
| 152 | String name = p.readString(); |
| 153 | return new CoolingDevice(value, type, name); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public CoolingDevice[] newArray(int size) { |
| 158 | return new CoolingDevice[size]; |
| 159 | } |
| 160 | }; |
| 161 | |
| 162 | @Override |
| 163 | public int describeContents() { |
| 164 | return 0; |
| 165 | } |
| 166 | } |