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      1 /*
      2  * Copyright (C) 2018 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.hardware.usb@1.2;
     18 
     19 import android.hardware.usb@1.1::PortStatus_1_1;
     20 import android.hardware.usb@1.0::Status;
     21 
     22 enum Status : @1.0::Status {
     23     /**
     24      * Error value returned when the operation is not supported.
     25      */
     26     NOT_SUPPORTED = 4,
     27 };
     28 
     29 @export
     30 enum ContaminantDetectionStatus : uint32_t {
     31     /**
     32      * Contaminant presence detection is not supported.
     33      */
     34     NOT_SUPPORTED = 0,
     35 
     36     /**
     37      * Contaminant presence detection is supported but disabled.
     38      */
     39     DISABLED = 1,
     40 
     41     /**
     42      * Contaminant presence detection is enabled and contaminant not detected.
     43      */
     44     NOT_DETECTED = 2,
     45 
     46     /**
     47      * Contaminant presence detection is enabled and contaminant detected.
     48      */
     49     DETECTED = 3,
     50 };
     51 
     52 @export
     53 enum ContaminantProtectionMode : uint32_t {
     54     /**
     55      * No action performed upon detection of contaminant presence.
     56      */
     57     NONE = 0,
     58 
     59     /**
     60      * Upon detection of contaminant presence, Port is forced to sink only
     61      * mode where a port shall only detect chargers until contaminant presence
     62      * is no longer detected.
     63      */
     64     FORCE_SINK = 1 << 0,
     65 
     66     /**
     67      * Upon detection of contaminant presence, Port is forced to source only
     68      * mode where a port shall only detect usb accessories such as headsets
     69      * until contaminant presence is no longer detected.
     70      */
     71     FORCE_SOURCE = 1 << 1,
     72 
     73     /**
     74      * Upon detection of contaminant presence, port is disabled until contaminant
     75      * presence is no longer detected. In the disabled state port will
     76      * not respond to connection of chargers or usb accessories.
     77      */
     78     FORCE_DISABLE = 1 << 2,
     79 };
     80 
     81 @export
     82 enum ContaminantProtectionStatus : ContaminantProtectionMode {
     83     /**
     84      * Client disabled cotaminant protection by calling
     85      * enableContaminantPresencePortProtection set to false. Low level drivers should
     86      * not autmomously take any corrective action when contaminant presence is detected.
     87      */
     88     DISABLED = 1 << 3,
     89 };
     90 
     91 struct PortStatus {
     92     PortStatus_1_1 status_1_1;
     93 
     94     /**
     95      * Contaminant presence protection modes supported by the port.
     96      */
     97     bitfield<ContaminantProtectionMode> supportedContaminantProtectionModes;
     98 
     99     /**
    100      * Client can enable/disable contaminant presence protection through
    101      * enableContaminantPresenceProtection when true.
    102      */
    103     bool supportsEnableContaminantPresenceProtection;
    104 
    105     /**
    106      * Contaminant presence protection modes currently active for the port.
    107      */
    108     ContaminantProtectionStatus contaminantProtectionStatus;
    109 
    110     /**
    111      * Client can enable/disable contaminant presence detection through
    112      * enableContaminantPresenceDetection when true.
    113      */
    114     bool supportsEnableContaminantPresenceDetection;
    115 
    116     /**
    117      * Current status of contaminant detection algorithm.
    118      */
    119     ContaminantDetectionStatus contaminantDetectionStatus;
    120 };
    121