| /hardware/interfaces/tv/hdmi/ |
| D | README.md | 3 This directory bundles 3 HDMI-related AIDL HALs: HDMI Connection HAL, CEC HAL and eARC HAL.
5 The HDMI Connection HAL contains general APIs for the HDMI Connection. These methods are required by
7 Connection HAL and the CEC HAL. Devices that implement eARC need to support the HDMI Connection HAL
8 and the eARC HAL.
11 reasons, e.g. Display HAL and TV Input HAL.
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| /hardware/interfaces/bluetooth/a2dp/1.0/ |
| D | IBluetoothAudioHost.hal | 20 * HAL interface for Bluetooth A2DP Offload functionality where
25 * This interface is from HAL server to HAL client.
27 * The HAL server must call into the IBluetoothAudioHost to initiate
35 * Invoked when the start stream is requested from HAL server
36 * to HAL client. This indicates that the HAL server
38 * HAL client can proceed with the streaming procedure. The
39 * result of the operation must be provided by the HAL
45 * Invoked when the suspend stream is requested from HAL server
46 * to HAL client. This indicates that the HAL server
48 * operation must be provided by the HAL client using the
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| D | IBluetoothAudioOffload.hal | 22 * HAL interface for Bluetooth A2DP Offload functionality where
27 * This interface is from HAL client to HAL server.
29 * The HAL client must provide the handle of IBluetoothAudioHost as well
30 * as codec configuration to the HAL server, when its connected to an
31 * active A2DP Sink device. HAL Server, based on the feedback from the Audio
33 * HAL client must call into IBluetoothAudioOffload to provide the status of
34 * these commands. Once the device becomes inactive, the HAL client must
35 * call the endSession to terminate the session with the HAL server.
40 * Indicates that the HAL client is connected to an A2DP Sink device
51 * SUCCESS if HAL server successfully initializes the platform with the
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| /hardware/interfaces/camera/provider/ |
| D | README.md | 1 ## Camera Provider HAL ##
6 The camera.provider HAL is used by the Android camera service to discover,
12 More complete information about the Android camera HAL and subsystem can be found at
21 Common enum and struct definitions for all camera HAL interfaces. Does not
28 First HIDL version of the camera provider HAL, closely matching the feature set
29 and operation of the pre-HIDL camera HAL module v2.4.
35 First HIDL version of the camara provider HAL callback interface, closely
36 matching the feature set and operation of the pre-HIDL camera HAL module
39 ### AIDL Camera HAL Default Implementation ###
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| /hardware/qcom/data/ipacfg-mgr/msm8998/hal/src/ |
| D | HAL.cpp | 65 HAL* HAL::makeIPAHAL(int version, IOffloadManager* mgr) { in makeIPAHAL()
71 HAL* ret = new HAL(mgr); in makeIPAHAL()
80 HAL::HAL(IOffloadManager* mgr) : mLogs("HAL Function Calls", 100) { in HAL() function in HAL
87 void HAL::registerAsSystemService() { in registerAsSystemService()
103 void HAL::doLogcatDump() { in doLogcatDump()
114 HAL::BoolResult HAL::makeInputCheckFailure(string customErr) { in makeInputCheckFailure()
121 HAL::BoolResult HAL::ipaResultToBoolResult(RET in) { in ipaResultToBoolResult()
164 vector<string> HAL::convertHidlStrToStdStr(hidl_vec<hidl_string> in) { in convertHidlStrToStdStr()
173 void HAL::registerEventListeners() { in registerEventListeners()
178 void HAL::registerIpaCb() { in registerIpaCb()
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| /hardware/qcom/sm8150/data/ipacfg-mgr/hal/src/ |
| D | HAL.cpp | 65 Return<::android::sp<HAL>> HAL::makeIPAHAL(int version, IOffloadManager* mgr) { in makeIPAHAL()
73 ::android::sp<HAL> ret = new HAL(mgr); in makeIPAHAL()
82 HAL::HAL(IOffloadManager* mgr) : mLogs("HAL Function Calls", 50) { in HAL() function in HAL
89 void HAL::registerAsSystemService(const char* name) { in registerAsSystemService()
105 void HAL::doLogcatDump() { in doLogcatDump()
116 HAL::BoolResult HAL::makeInputCheckFailure(string customErr) { in makeInputCheckFailure()
123 HAL::BoolResult HAL::ipaResultToBoolResult(RET in) { in ipaResultToBoolResult()
166 vector<string> HAL::convertHidlStrToStdStr(hidl_vec<hidl_string> in) { in convertHidlStrToStdStr()
175 void HAL::registerEventListeners() { in registerEventListeners()
180 void HAL::registerIpaCb() { in registerIpaCb()
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| /hardware/interfaces/sensors/common/default/2.X/multihal/tests/fake_subhal/ |
| D | README | 2 provided for sensors HAL 2.0 to support multi-HAL 2.0. It should be used as a
3 means to verify the multi-HAL 2.0 implementation can successfully load and
6 This sub-HAL implementation has two macros that can be used to configure support
11 but more targets could be added to support both in one sub-HAL or none at all,
17 Take this .so and place it where the multi-HAL config will cause the HalProxy to
19 to cause the multi-HAL to restart and attempt to load in the sub-HAL.
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| /hardware/qcom/camera/msm8998/QCamera2/ |
| D | Android.mk | 57 HAL/QCamera2HWI.cpp \
58 HAL/QCameraMuxer.cpp \
59 HAL/QCameraMem.cpp \
60 HAL/QCameraStateMachine.cpp \
61 HAL/QCameraChannel.cpp \
62 HAL/QCameraStream.cpp \
63 HAL/QCameraPostProc.cpp \
64 HAL/QCamera2HWICallbacks.cpp \
65 HAL/QCameraParameters.cpp \
66 HAL/QCameraParametersIntf.cpp \
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| /hardware/interfaces/camera/ |
| D | README.md | 6 The camera.* HAL tree is used by the Android camera service to discover and
9 More details and versioning information can be found within each particular HAL.
11 More complete information about the Android camera HAL and subsystem can be found at
14 ### AIDL Camera HAL Interfaces
16 The AIDL Camera HAL interfaces can be found in the respective <interface>/aidl
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| /hardware/interfaces/camera/device/ |
| D | README.md | 1 ## Camera Device HAL ##
6 The camera.device HAL interface is used by the Android camera service to operate
7 individual camera devices. Instances of camera.device HAL interface can be obtained
16 More complete information about the Android camera HAL and subsystem can be found at
23 HIDL version of the legacy camera device HAL. Intended as a shim for devices
24 needing to use the deprecated pre-HIDL camera device HAL v1.0.
33 This HAL interface version only allows support at the LEGACY level for the
47 Callback interface for sending events and data buffers from the HAL to the
52 HIDL version of the baseline camera device HAL, required for LIMITED or FULL
55 The main HAL contains methods for static queries about the device, similar to
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| /hardware/interfaces/broadcastradio/aidl/rust_impl/ |
| D | README.md | 1 # Rust Skeleton BroadcastRadio HAL implementation.
3 WARNING: This is not a reference BroadcastRadio HAL implementation and does
6 This folder contains a skeleton broadcast radio HAL implementation in Rust to
7 demonstrate how vendor may implement a Rust broadcast radio HAL. To run this
8 broadcast radio HAL, include `android.hardware.broadcastradio-rust-service`
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| /hardware/interfaces/audio/ |
| D | README.md | 1 # Audio HAL
3 Directory structure of the audio HAL related code.
5 ## Directory Structure for AIDL audio HAL
17 between various HALs: BT HAL, core and effects audio HALs.
19 core audio HAL.
20 * `default` — the default, reference implementation of the audio HAL service.
21 * `vts` — VTS tests for the AIDL HAL.
23 ## Directory Structure for HIDL audio HAL
26 HAL based on an existing one. Note that this isn't possible since Android T
27 release. Android U and above uses AIDL audio HAL.
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| /hardware/libhardware/modules/camera/3_4/ |
| D | README.md | 6 introduce some [caveats](#V4L2-Deficiencies), causing this HAL to
13 camera HAL implementation which is maintained by Android Camera team
17 ## Building a Device with the HAL
19 To ensure the HAL is built for a device, include the following in your
28 The first line ensures the V4L2 HAL module is visible to the build system.
32 to load the V4L2 HAL instead of a default Camera HAL.
34 ## Requirements for Using the HAL
36 Devices and cameras wishing to use this HAL must meet
43 ## Understanding the HAL Code
45 There are three large pieces to the V4L2 Camera HAL: the general HALv3
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| /hardware/interfaces/contexthub/1.0/ |
| D | IContexthubCallback.hal | 21 * This callback is passed by the Contexthub service to the HAL
22 * implementation to allow the HAL to send asynchronous messages back
31 * This callback is passed by the Contexthub service to the HAL
32 * implementation to allow the HAL to send the response for a
43 * This callback is passed by the Contexthub service to the HAL
44 * implementation to allow the HAL to send an asynchronous event
53 * This callback is passed by the Contexthub service to the HAL
54 * implementation to allow the HAL to send a notification to the service
67 * This callback is passed by the Contexthub service to the HAL
68 * implementation to allow the HAL to send information about the
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| /hardware/interfaces/gnss/1.1/ |
| D | IGnssCallback.hal | 22 * The interface is required for the HAL to communicate certain information
24 * the interfaces and passes a handle to the HAL.
28 * Callback to inform framework of the GNSS HAL implementation model & version name.
30 * This is a user-visible string that identifies the model and version of the GNSS HAL.
38 * @param name String providing the name of the GNSS HAL implementation
45 * HAL implementation must call this when it wants the framework to provide locations to assist
46 * with GNSS HAL operation, for example, to assist with time to first fix, error recovery, or to
47 * supplement GNSS location for other clients of the GNSS HAL.
53 * In response to this method call, GNSS HAL can expect zero, one, or more calls to
55 * from other sources, which may happen at some arbitrary delay. Generally speaking, HAL
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| /hardware/interfaces/gnss/2.0/ |
| D | IGnssCallback.hal | 25 * This interface is required for the HAL to communicate certain information
27 * the interfaces and passes a handle to the HAL.
43 * Callback to inform framework of the GNSS HAL implementation's capabilities.
52 * @param location Location information from HAL.
59 * HAL implementation must call this when it wants the framework to provide locations to assist
60 * with GNSS HAL operation, for example, to assist with time to first fix, error recovery, or to
61 * supplement GNSS location for other clients of the GNSS HAL.
67 * In response to this method call, GNSS HAL can expect zero, one, or more calls to
69 * from other sources, which may happen at some arbitrary delay. Generally speaking, HAL
85 * In this version of the HAL, the field 'constellation' in the v1_0 struct is deprecated,
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| /hardware/interfaces/security/keymint/ |
| D | README.md | 1 # KeyMint HAL
3 This directory contains the HAL definition for KeyMint. KeyMint provides
6 Note that the `IRemotelyProvisionedComponent` HAL, and it's associated types,
7 used to also be defined in this directory. As of Android U, this HAL has been
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| /hardware/interfaces/camera/device/3.2/ |
| D | ICameraDeviceSession.hal | 41 * This must be a non-blocking call. The HAL should return from this call
52 * The camera HAL does not support the input template type
69 * Reset the HAL camera device processing pipeline and set up new input and
82 * If the HAL needs to change the stream configuration for an existing
89 * If a currently-active stream is not included in streamList, the HAL may
95 * requestedConfiguration. Upon return, the HAL device must set producerUsage,
112 * release sync fences have been signaled by the HAL. The framework must not
118 * The HAL device must configure itself to provide maximum possible output
127 * Nevertheless, the HAL device should attempt to minimize the
132 * The HAL should return from this call in 500ms, and must return from this
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| D | types.hal | 28 * The type of the camera stream, which defines whether the camera HAL device is
34 * This stream is an output stream; the camera HAL device must fill buffers
40 * This stream is an input stream; the camera HAL device must read buffers
86 * This defines the general operation mode for the HAL (for a given stream
94 * operation mode, where all semantics of HAL APIs and metadata controls
104 * mode can still be used for high speed output if the HAL can support high
105 * speed output while satisfying all the semantics of HAL APIs and metadata
106 * controls. It is recommended for the HAL to support high speed output in
112 * 1. The HAL must support up to 2 streams with sizes reported by
114 * 2. In this mode, the HAL is expected to output up to 120fps or
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| /hardware/interfaces/sensors/2.1/ |
| D | ISensors.hal | 31 * HAL and its dependencies (for example, the sensor handle for a given
32 * sensor must not change across HAL restarts).
37 * Initialize the Sensors HAL's Fast Message Queues (FMQ) and callback.
40 * framework and the HAL. The callback is used by the HAL to notify the
43 * The Event FMQ is used to transport sensor events from the HAL to the
47 * sensor events, the HAL writes the sensor events to the Event FMQ.
49 * Once the HAL is finished writing sensor events to the Event FMQ, the HAL
62 * The Wake Lock FMQ is used by the framework to notify the HAL when it is
66 * Lock FMQ. When the HAL reads the data from the Wake Lock FMQ, the HAL
69 * zero. It is important to note that the HAL must acquire the wake lock and
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| /hardware/interfaces/camera/common/ |
| D | README.md | 1 ## Camera common HAL definitions ##
9 This includes standard status codes returned by most camera HAL methods.
11 More complete information about the Android camera HAL and subsystem can be found at
20 Common enum and struct definitions for all camera HAL interfaces. Does not
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| /hardware/interfaces/biometrics/fingerprint/aidl/default/ |
| D | README.md | 1 # Virtual Fingerprint HAL
3 This is a virtual HAL implementation that is backed by system properties instead
10 This HAL can be used on emulators, like cuttlefish, or on real devices. Add the
17 The virtual HAL will be ignored if a real HAL is also installed on the target
19 switch to the virtual HAL. Unset it and reboot again to switch back.
80 …mage acquisition states at HAL are reported to framework via onAcquired() callback. The valid acqu…
87 The states can be specified in sequence for the HAL operations involving fingerprint image captures…
109 The valid error codes for AIDL HAL include
116 There are many HAL operations which can result in errors, refer to [here](fingerprint.sysprop) file…
124 Three HAL operations (authenticate, enrollment and detect interaction) latency can be optionally sp…
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| /hardware/interfaces/automotive/audiocontrol/aidl/rust_impl/ |
| D | README.md | 1 # Rust Skeleton Audio Control HAL implementation.
6 This folder contains a skeleton audio control HAL implementation in Rust to
7 demonstrate how vendor may implement a Rust audio control HAL. To run this
8 audio control HAL, include
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| /hardware/interfaces/bluetooth/audio/2.1/ |
| D | IBluetoothAudioProvider.hal | 24 * HAL interface from the Bluetooth stack to the Audio HAL
27 * sessions and sends callback events to the Audio HAL.
37 * current negotiated codec to the Audio HAL. After this method is called,
38 * the Audio HAL can invoke IBluetoothAudioPort.startStream().
50 * the Audio HAL
51 * UNSUPPORTED_CODEC_CONFIGURATION if the Audio HAL cannot register this
53 * FAILURE if the Audio HAL cannot register this IBluetoothAudioPort for
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| /hardware/interfaces/gnss/visibility_control/1.0/ |
| D | IGnssVisibilityControl.hal | 24 * This interface is used to tell the GNSS HAL implementation whether the framework user has
25 * granted permission to the GNSS HAL implementation to provide GNSS location information for
30 * the GNSS HAL implementation must serve the emergency location supporting network initiated
33 * There is no separate need for the GNSS HAL implementation to monitor the global device location
41 * For device user visibility, the GNSS HAL implementation must call the method
46 * The HAL implementations that support this interface must not report GNSS location, measurement,
48 * expressly authorized by this HAL. This includes all endpoints for location information
53 * Enables/disables non-framework entity location access permission in the GNSS HAL.
55 * The framework will call this method to update GNSS HAL implementation every time the
60 * Whenever the user location information is delivered to non-framework entities, the HAL
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