diff --git a/Android.bp b/Android.bp
index efcb9d5..7188e91 100644
--- a/Android.bp
+++ b/Android.bp
@@ -9,6 +9,8 @@
     "nfc/1.0",
     "nfc/1.0/default",
     "radio/1.0",
+    "power/1.0",
+    "power/1.0/default",
     "tests/bar/1.0",
     "tests/baz/1.0",
     "tests/expression/1.0",
diff --git a/audio/common/2.0/types.hal b/audio/common/2.0/types.hal
index dd75706..a5ec68d 100644
--- a/audio/common/2.0/types.hal
+++ b/audio/common/2.0/types.hal
@@ -85,90 +85,88 @@
 /*
  * Audio stream type describing the intented use case of a stream.
  */
-@export(name="audio_stream_type_t")
+@export(name="audio_stream_type_t", value_prefix="AUDIO_STREAM_")
 enum AudioStreamType : int32_t {
     // These values must kept in sync with
     //  frameworks/base/media/java/android/media/AudioSystem.java
     // TODO: Synchronization should be done automatically by tools
-    AUDIO_STREAM_DEFAULT          = -1,
-    AUDIO_STREAM_MIN              = 0,
-    AUDIO_STREAM_VOICE_CALL       = 0,
-    AUDIO_STREAM_SYSTEM           = 1,
-    AUDIO_STREAM_RING             = 2,
-    AUDIO_STREAM_MUSIC            = 3,
-    AUDIO_STREAM_ALARM            = 4,
-    AUDIO_STREAM_NOTIFICATION     = 5,
-    AUDIO_STREAM_BLUETOOTH_SCO    = 6,
-    AUDIO_STREAM_ENFORCED_AUDIBLE = 7,  // Sounds that cannot be muted by user
-                                        // and must be routed to speaker
-    AUDIO_STREAM_DTMF             = 8,
-    AUDIO_STREAM_TTS              = 9,  // Transmitted Through Speaker
-                                        // Plays over speaker only, silent
-                                        // on other devices
-    AUDIO_STREAM_ACCESSIBILITY    = 10, // For accessibility talk back prompts
-    AUDIO_STREAM_REROUTING        = 11, // For dynamic policy output mixes
-    AUDIO_STREAM_PATCH            = 12, // For internal audio flinger tracks.
-                                        // Fixed volume
-    AUDIO_STREAM_PUBLIC_CNT       = AUDIO_STREAM_TTS + 1,
+    DEFAULT          = -1,
+    MIN              = 0,
+    VOICE_CALL       = 0,
+    SYSTEM           = 1,
+    RING             = 2,
+    MUSIC            = 3,
+    ALARM            = 4,
+    NOTIFICATION     = 5,
+    BLUETOOTH_SCO    = 6,
+    ENFORCED_AUDIBLE = 7,  // Sounds that cannot be muted by user and must be
+                           // routed to speaker
+    DTMF             = 8,
+    TTS              = 9,  // Transmitted Through Speaker.  Plays over speaker
+                           // only, silent on other devices
+    ACCESSIBILITY    = 10, // For accessibility talk back prompts
+    REROUTING        = 11, // For dynamic policy output mixes
+    PATCH            = 12, // For internal audio flinger tracks.  Fixed volume
+    PUBLIC_CNT       = TTS + 1,
     // Number of streams considered by audio policy for volume and routing
-    AUDIO_STREAM_FOR_POLICY_CNT   = AUDIO_STREAM_PATCH,
-    AUDIO_STREAM_CNT              = AUDIO_STREAM_PATCH + 1
+    FOR_POLICY_CNT   = PATCH,
+    CNT              = PATCH + 1
 };
 
-@export(name="audio_source_t")
+@export(name="audio_source_t", value_prefix="AUDIO_SOURCE_")
 enum AudioSource {
     // These values must kept in sync with
     //  frameworks/base/media/java/android/media/MediaRecorder.java,
     //  frameworks/av/services/audiopolicy/AudioPolicyService.cpp,
     //  system/media/audio_effects/include/audio_effects/audio_effects_conf.h
-    AUDIO_SOURCE_DEFAULT             = 0,
-    AUDIO_SOURCE_MIC                 = 1,
-    AUDIO_SOURCE_VOICE_UPLINK        = 2,
-    AUDIO_SOURCE_VOICE_DOWNLINK      = 3,
-    AUDIO_SOURCE_VOICE_CALL          = 4,
-    AUDIO_SOURCE_CAMCORDER           = 5,
-    AUDIO_SOURCE_VOICE_RECOGNITION   = 6,
-    AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
+    DEFAULT             = 0,
+    MIC                 = 1,
+    VOICE_UPLINK        = 2,
+    VOICE_DOWNLINK      = 3,
+    VOICE_CALL          = 4,
+    CAMCORDER           = 5,
+    VOICE_RECOGNITION   = 6,
+    VOICE_COMMUNICATION = 7,
     /*
      * Source for the mix to be presented remotely. An example of remote
      * presentation is Wifi Display where a dongle attached to a TV can be used
      * to play the mix captured by this audio source.
      */
-    AUDIO_SOURCE_REMOTE_SUBMIX       = 8,
+    REMOTE_SUBMIX       = 8,
     /*
      * Source for unprocessed sound. Usage examples include level measurement
      * and raw signal analysis.
      */
-    AUDIO_SOURCE_UNPROCESSED         = 9,
+    UNPROCESSED         = 9,
 
-    AUDIO_SOURCE_CNT,
-    AUDIO_SOURCE_MAX                 = AUDIO_SOURCE_CNT - 1,
-    AUDIO_SOURCE_FM_TUNER            = 1998,
+    CNT,
+    MAX                 = CNT - 1,
+    FM_TUNER            = 1998,
     /*
      * A low-priority, preemptible audio source for for background software
-     * hotword detection. Same tuning as AUDIO_SOURCE_VOICE_RECOGNITION.
-     * Used only internally to the framework.
+     * hotword detection. Same tuning as VOICE_RECOGNITION.  Used only
+     * internally by the framework.
      */
-    AUDIO_SOURCE_HOTWORD             = 1999
+    HOTWORD             = 1999
 };
 
 typedef int32_t AudioSession;
 /*
  * Special audio session values.
  */
-@export(name="audio_session_t")
+@export(name="audio_session_t", value_prefix="AUDIO_SESSION_")
 enum AudioSessionConsts : int32_t {
     /*
      * Session for effects attached to a particular output stream
      * (value must be less than 0)
      */
-    AUDIO_SESSION_OUTPUT_STAGE = -1,
+    OUTPUT_STAGE = -1,
     /*
      * Session for effects applied to output mix. These effects can
      * be moved by audio policy manager to another output stream
      * (value must be 0)
      */
-    AUDIO_SESSION_OUTPUT_MIX = 0,
+    OUTPUT_MIX = 0,
     /*
      * Application does not specify an explicit session ID to be used, and
      * requests a new session ID to be allocated TODO use unique values for
@@ -177,13 +175,13 @@
      * Corresponds to AudioManager.AUDIO_SESSION_ID_GENERATE and
      * AudioSystem.AUDIO_SESSION_ALLOCATE.
      */
-    AUDIO_SESSION_ALLOCATE = 0,
+    ALLOCATE = 0,
     /*
      * For use with AudioRecord::start(), this indicates no trigger session.
      * It is also used with output tracks and patch tracks, which never have a
      * session.
      */
-    AUDIO_SESSION_NONE = 0
+    NONE = 0
 };
 
 /*
@@ -197,91 +195,73 @@
  * also be used for certain formats to give informations not present in the
  * encoded audio stream (e.g. octet alignement for AMR).
  */
-@export(name="audio_format_t")
+@export(name="audio_format_t", value_prefix="AUDIO_FORMAT_")
 enum AudioFormat : uint32_t {
-    AUDIO_FORMAT_INVALID             = 0xFFFFFFFFUL,
-    AUDIO_FORMAT_DEFAULT             = 0,
-    AUDIO_FORMAT_PCM                 = 0x00000000UL, /* DO NOT CHANGE */
-    AUDIO_FORMAT_MP3                 = 0x01000000UL,
-    AUDIO_FORMAT_AMR_NB              = 0x02000000UL,
-    AUDIO_FORMAT_AMR_WB              = 0x03000000UL,
-    AUDIO_FORMAT_AAC                 = 0x04000000UL,
-    /* Deprecated, Use AUDIO_FORMAT_AAC_HE_V1*/
-    AUDIO_FORMAT_HE_AAC_V1           = 0x05000000UL,
-    /* Deprecated, Use AUDIO_FORMAT_AAC_HE_V2*/
-    AUDIO_FORMAT_HE_AAC_V2           = 0x06000000UL,
-    AUDIO_FORMAT_VORBIS              = 0x07000000UL,
-    AUDIO_FORMAT_OPUS                = 0x08000000UL,
-    AUDIO_FORMAT_AC3                 = 0x09000000UL,
-    AUDIO_FORMAT_E_AC3               = 0x0A000000UL,
-    AUDIO_FORMAT_DTS                 = 0x0B000000UL,
-    AUDIO_FORMAT_DTS_HD              = 0x0C000000UL,
+    INVALID             = 0xFFFFFFFFUL,
+    DEFAULT             = 0,
+    PCM                 = 0x00000000UL, /* DO NOT CHANGE */
+    MP3                 = 0x01000000UL,
+    AMR_NB              = 0x02000000UL,
+    AMR_WB              = 0x03000000UL,
+    AAC                 = 0x04000000UL,
+    HE_AAC_V1           = 0x05000000UL, /* Deprecated, Use AAC_HE_V1*/
+    HE_AAC_V2           = 0x06000000UL, /* Deprecated, Use AAC_HE_V2*/
+    VORBIS              = 0x07000000UL,
+    OPUS                = 0x08000000UL,
+    AC3                 = 0x09000000UL,
+    E_AC3               = 0x0A000000UL,
+    DTS                 = 0x0B000000UL,
+    DTS_HD              = 0x0C000000UL,
     // IEC61937 is encoded audio wrapped in 16-bit PCM.
-    AUDIO_FORMAT_IEC61937            = 0x0D000000UL,
-    AUDIO_FORMAT_DOLBY_TRUEHD        = 0x0E000000UL,
-    AUDIO_FORMAT_MAIN_MASK           = 0xFF000000UL, /* Deprecated */
-    AUDIO_FORMAT_SUB_MASK            = 0x00FFFFFFUL,
+    IEC61937            = 0x0D000000UL,
+    DOLBY_TRUEHD        = 0x0E000000UL,
+    MAIN_MASK           = 0xFF000000UL, /* Deprecated */
+    SUB_MASK            = 0x00FFFFFFUL,
 
     /* Subformats */
-    AUDIO_FORMAT_PCM_SUB_16_BIT        = 0x1, // PCM signed 16 bits
-    AUDIO_FORMAT_PCM_SUB_8_BIT         = 0x2, // PCM unsigned 8 bits
-    AUDIO_FORMAT_PCM_SUB_32_BIT        = 0x3, // PCM signed .31 fixed point
-    AUDIO_FORMAT_PCM_SUB_8_24_BIT      = 0x4, // PCM signed 8.23 fixed point
-    AUDIO_FORMAT_PCM_SUB_FLOAT         = 0x5, // PCM single-precision float pt
-    AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED = 0x6, // PCM signed .23 fix pt (3 bytes)
+    PCM_SUB_16_BIT        = 0x1, // PCM signed 16 bits
+    PCM_SUB_8_BIT         = 0x2, // PCM unsigned 8 bits
+    PCM_SUB_32_BIT        = 0x3, // PCM signed .31 fixed point
+    PCM_SUB_8_24_BIT      = 0x4, // PCM signed 8.23 fixed point
+    PCM_SUB_FLOAT         = 0x5, // PCM single-precision float pt
+    PCM_SUB_24_BIT_PACKED = 0x6, // PCM signed .23 fix pt (3 bytes)
 
-    AUDIO_FORMAT_MP3_SUB_NONE          = 0x0,
+    MP3_SUB_NONE          = 0x0,
 
-    AUDIO_FORMAT_AMR_SUB_NONE          = 0x0,
+    AMR_SUB_NONE          = 0x0,
 
-    AUDIO_FORMAT_AAC_SUB_MAIN          = 0x1,
-    AUDIO_FORMAT_AAC_SUB_LC            = 0x2,
-    AUDIO_FORMAT_AAC_SUB_SSR           = 0x4,
-    AUDIO_FORMAT_AAC_SUB_LTP           = 0x8,
-    AUDIO_FORMAT_AAC_SUB_HE_V1         = 0x10,
-    AUDIO_FORMAT_AAC_SUB_SCALABLE      = 0x20,
-    AUDIO_FORMAT_AAC_SUB_ERLC          = 0x40,
-    AUDIO_FORMAT_AAC_SUB_LD            = 0x80,
-    AUDIO_FORMAT_AAC_SUB_HE_V2         = 0x100,
-    AUDIO_FORMAT_AAC_SUB_ELD           = 0x200,
+    AAC_SUB_MAIN          = 0x1,
+    AAC_SUB_LC            = 0x2,
+    AAC_SUB_SSR           = 0x4,
+    AAC_SUB_LTP           = 0x8,
+    AAC_SUB_HE_V1         = 0x10,
+    AAC_SUB_SCALABLE      = 0x20,
+    AAC_SUB_ERLC          = 0x40,
+    AAC_SUB_LD            = 0x80,
+    AAC_SUB_HE_V2         = 0x100,
+    AAC_SUB_ELD           = 0x200,
 
-    AUDIO_FORMAT_VORBIS_SUB_NONE       = 0x0,
+    VORBIS_SUB_NONE       = 0x0,
 
     /* Aliases */
     /* note != AudioFormat.ENCODING_PCM_16BIT */
-    AUDIO_FORMAT_PCM_16_BIT          = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_16_BIT),
+    PCM_16_BIT          = (PCM | PCM_SUB_16_BIT),
     /* note != AudioFormat.ENCODING_PCM_8BIT */
-    AUDIO_FORMAT_PCM_8_BIT           = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_8_BIT),
-    AUDIO_FORMAT_PCM_32_BIT          = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_32_BIT),
-    AUDIO_FORMAT_PCM_8_24_BIT        = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_8_24_BIT),
-    AUDIO_FORMAT_PCM_FLOAT           = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_FLOAT),
-    AUDIO_FORMAT_PCM_24_BIT_PACKED   = (AUDIO_FORMAT_PCM |
-                                        AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED),
-    AUDIO_FORMAT_AAC_MAIN            = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_MAIN),
-    AUDIO_FORMAT_AAC_LC              = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_LC),
-    AUDIO_FORMAT_AAC_SSR             = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_SSR),
-    AUDIO_FORMAT_AAC_LTP             = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_LTP),
-    AUDIO_FORMAT_AAC_HE_V1           = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_HE_V1),
-    AUDIO_FORMAT_AAC_SCALABLE        = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_SCALABLE),
-    AUDIO_FORMAT_AAC_ERLC            = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_ERLC),
-    AUDIO_FORMAT_AAC_LD              = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_LD),
-    AUDIO_FORMAT_AAC_HE_V2           = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_HE_V2),
-    AUDIO_FORMAT_AAC_ELD             = (AUDIO_FORMAT_AAC |
-                                        AUDIO_FORMAT_AAC_SUB_ELD)
+    PCM_8_BIT           = (PCM | PCM_SUB_8_BIT),
+    PCM_32_BIT          = (PCM | PCM_SUB_32_BIT),
+    PCM_8_24_BIT        = (PCM | PCM_SUB_8_24_BIT),
+    PCM_FLOAT           = (PCM | PCM_SUB_FLOAT),
+    PCM_24_BIT_PACKED   = (PCM | PCM_SUB_24_BIT_PACKED),
+    AAC_MAIN            = (AAC | AAC_SUB_MAIN),
+    AAC_LC              = (AAC | AAC_SUB_LC),
+    AAC_SSR             = (AAC | AAC_SUB_SSR),
+    AAC_LTP             = (AAC | AAC_SUB_LTP),
+    AAC_HE_V1           = (AAC | AAC_SUB_HE_V1),
+    AAC_SCALABLE        = (AAC | AAC_SUB_SCALABLE),
+    AAC_ERLC            = (AAC | AAC_SUB_ERLC),
+    AAC_LD              = (AAC | AAC_SUB_LD),
+    AAC_HE_V2           = (AAC | AAC_SUB_HE_V2),
+    AAC_ELD             = (AAC | AAC_SUB_ELD)
 };
 
 /*
@@ -304,15 +284,15 @@
  *
  * These are the current representations:
  *
- *   AUDIO_CHANNEL_REPRESENTATION_POSITION
+ *   REPRESENTATION_POSITION
  *     is a channel mask representation for position assignment.  Each low-order
  *     bit corresponds to the spatial position of a transducer (output), or
  *     interpretation of channel (input).  The user of a channel mask needs to
  *     know the context of whether it is for output or input.  The constants
- *     AUDIO_CHANNEL_OUT_* or AUDIO_CHANNEL_IN_* apply to the bits portion.  It
- *     is not permitted for no bits to be set.
+ *     OUT_* or IN_* apply to the bits portion.  It is not permitted for no bits
+ *     to be set.
  *
- *   AUDIO_CHANNEL_REPRESENTATION_INDEX
+ *   REPRESENTATION_INDEX
  *     is a channel mask representation for index assignment.  Each low-order
  *     bit corresponds to a selected channel.  There is no platform
  *     interpretation of the various bits.  There is no concept of output or
@@ -326,314 +306,282 @@
  * checking the channel mask, the implementer should look for ways to fix it
  * with additional information outside of the mask.
  */
-@export(name="")
+@export(name="", value_prefix="AUDIO_CHANNEL_")
 enum AudioChannelMask : uint32_t {
-    AUDIO_CHANNEL_REPRESENTATION_POSITION = 0, /* must be 0 for compatibility */
+    REPRESENTATION_POSITION = 0, /* must be 0 for compatibility */
     /* 1 is reserved for future use */
-    AUDIO_CHANNEL_REPRESENTATION_INDEX    = 2,
+    REPRESENTATION_INDEX    = 2,
     /* 3 is reserved for future use */
 
     /* These can be a complete value of AudioChannelMask */
-    AUDIO_CHANNEL_NONE                      = 0x0,
-    AUDIO_CHANNEL_INVALID                   = 0xC0000000,
+    NONE                      = 0x0,
+    INVALID                   = 0xC0000000,
 
    /*
     * These can be the bits portion of an AudioChannelMask
-    * with representation AUDIO_CHANNEL_REPRESENTATION_POSITION.
+    * with representation REPRESENTATION_POSITION.
     */
 
     /* output channels */
-    AUDIO_CHANNEL_OUT_FRONT_LEFT            = 0x1,
-    AUDIO_CHANNEL_OUT_FRONT_RIGHT           = 0x2,
-    AUDIO_CHANNEL_OUT_FRONT_CENTER          = 0x4,
-    AUDIO_CHANNEL_OUT_LOW_FREQUENCY         = 0x8,
-    AUDIO_CHANNEL_OUT_BACK_LEFT             = 0x10,
-    AUDIO_CHANNEL_OUT_BACK_RIGHT            = 0x20,
-    AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER  = 0x40,
-    AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80,
-    AUDIO_CHANNEL_OUT_BACK_CENTER           = 0x100,
-    AUDIO_CHANNEL_OUT_SIDE_LEFT             = 0x200,
-    AUDIO_CHANNEL_OUT_SIDE_RIGHT            = 0x400,
-    AUDIO_CHANNEL_OUT_TOP_CENTER            = 0x800,
-    AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT        = 0x1000,
-    AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER      = 0x2000,
-    AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT       = 0x4000,
-    AUDIO_CHANNEL_OUT_TOP_BACK_LEFT         = 0x8000,
-    AUDIO_CHANNEL_OUT_TOP_BACK_CENTER       = 0x10000,
-    AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT        = 0x20000,
+    OUT_FRONT_LEFT            = 0x1,
+    OUT_FRONT_RIGHT           = 0x2,
+    OUT_FRONT_CENTER          = 0x4,
+    OUT_LOW_FREQUENCY         = 0x8,
+    OUT_BACK_LEFT             = 0x10,
+    OUT_BACK_RIGHT            = 0x20,
+    OUT_FRONT_LEFT_OF_CENTER  = 0x40,
+    OUT_FRONT_RIGHT_OF_CENTER = 0x80,
+    OUT_BACK_CENTER           = 0x100,
+    OUT_SIDE_LEFT             = 0x200,
+    OUT_SIDE_RIGHT            = 0x400,
+    OUT_TOP_CENTER            = 0x800,
+    OUT_TOP_FRONT_LEFT        = 0x1000,
+    OUT_TOP_FRONT_CENTER      = 0x2000,
+    OUT_TOP_FRONT_RIGHT       = 0x4000,
+    OUT_TOP_BACK_LEFT         = 0x8000,
+    OUT_TOP_BACK_CENTER       = 0x10000,
+    OUT_TOP_BACK_RIGHT        = 0x20000,
 
-    AUDIO_CHANNEL_OUT_MONO     = AUDIO_CHANNEL_OUT_FRONT_LEFT,
-    AUDIO_CHANNEL_OUT_STEREO   = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT),
-    AUDIO_CHANNEL_OUT_QUAD     = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_BACK_LEFT |
-                                  AUDIO_CHANNEL_OUT_BACK_RIGHT),
-    AUDIO_CHANNEL_OUT_QUAD_BACK = AUDIO_CHANNEL_OUT_QUAD,
-    /* like AUDIO_CHANNEL_OUT_QUAD_BACK with *_SIDE_* instead of *_BACK_* */
-    AUDIO_CHANNEL_OUT_QUAD_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_SIDE_LEFT |
-                                  AUDIO_CHANNEL_OUT_SIDE_RIGHT),
-    AUDIO_CHANNEL_OUT_5POINT1  = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_FRONT_CENTER |
-                                  AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
-                                  AUDIO_CHANNEL_OUT_BACK_LEFT |
-                                  AUDIO_CHANNEL_OUT_BACK_RIGHT),
-    AUDIO_CHANNEL_OUT_5POINT1_BACK = AUDIO_CHANNEL_OUT_5POINT1,
-    /* like AUDIO_CHANNEL_OUT_5POINT1_BACK with *_SIDE_* instead of *_BACK_* */
-    AUDIO_CHANNEL_OUT_5POINT1_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_FRONT_CENTER |
-                                  AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
-                                  AUDIO_CHANNEL_OUT_SIDE_LEFT |
-                                  AUDIO_CHANNEL_OUT_SIDE_RIGHT),
+    OUT_MONO     = OUT_FRONT_LEFT,
+    OUT_STEREO   = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT),
+    OUT_QUAD     = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_BACK_LEFT | OUT_BACK_RIGHT),
+    OUT_QUAD_BACK = OUT_QUAD,
+    /* like OUT_QUAD_BACK with *_SIDE_* instead of *_BACK_* */
+    OUT_QUAD_SIDE = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_SIDE_LEFT | OUT_SIDE_RIGHT),
+    OUT_5POINT1  = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
+            OUT_BACK_LEFT | OUT_BACK_RIGHT),
+    OUT_5POINT1_BACK = OUT_5POINT1,
+    /* like OUT_5POINT1_BACK with *_SIDE_* instead of *_BACK_* */
+    OUT_5POINT1_SIDE = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
+            OUT_SIDE_LEFT | OUT_SIDE_RIGHT),
     /* matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND */
-    AUDIO_CHANNEL_OUT_7POINT1  = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_FRONT_CENTER |
-                                  AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
-                                  AUDIO_CHANNEL_OUT_BACK_LEFT |
-                                  AUDIO_CHANNEL_OUT_BACK_RIGHT |
-                                  AUDIO_CHANNEL_OUT_SIDE_LEFT |
-                                  AUDIO_CHANNEL_OUT_SIDE_RIGHT),
-    AUDIO_CHANNEL_OUT_ALL      = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT |
-                                  AUDIO_CHANNEL_OUT_FRONT_CENTER |
-                                  AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
-                                  AUDIO_CHANNEL_OUT_BACK_LEFT |
-                                  AUDIO_CHANNEL_OUT_BACK_RIGHT |
-                                  AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER |
-                                  AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER |
-                                  AUDIO_CHANNEL_OUT_BACK_CENTER|
-                                  AUDIO_CHANNEL_OUT_SIDE_LEFT|
-                                  AUDIO_CHANNEL_OUT_SIDE_RIGHT|
-                                  AUDIO_CHANNEL_OUT_TOP_CENTER|
-                                  AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT|
-                                  AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER|
-                                  AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT|
-                                  AUDIO_CHANNEL_OUT_TOP_BACK_LEFT|
-                                  AUDIO_CHANNEL_OUT_TOP_BACK_CENTER|
-                                  AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT),
+    OUT_7POINT1  = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
+            OUT_BACK_LEFT | OUT_BACK_RIGHT |
+            OUT_SIDE_LEFT | OUT_SIDE_RIGHT),
+    OUT_ALL      = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
+            OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
+            OUT_BACK_LEFT | OUT_BACK_RIGHT |
+            OUT_FRONT_LEFT_OF_CENTER | OUT_FRONT_RIGHT_OF_CENTER |
+            OUT_BACK_CENTER |
+            OUT_SIDE_LEFT | OUT_SIDE_RIGHT |
+            OUT_TOP_CENTER |
+            OUT_TOP_FRONT_LEFT | OUT_TOP_FRONT_CENTER | OUT_TOP_FRONT_RIGHT |
+            OUT_TOP_BACK_LEFT | OUT_TOP_BACK_CENTER | OUT_TOP_BACK_RIGHT),
 
     /* These are bits only, not complete values */
 
     /* input channels */
-    AUDIO_CHANNEL_IN_LEFT            = 0x4,
-    AUDIO_CHANNEL_IN_RIGHT           = 0x8,
-    AUDIO_CHANNEL_IN_FRONT           = 0x10,
-    AUDIO_CHANNEL_IN_BACK            = 0x20,
-    AUDIO_CHANNEL_IN_LEFT_PROCESSED  = 0x40,
-    AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 0x80,
-    AUDIO_CHANNEL_IN_FRONT_PROCESSED = 0x100,
-    AUDIO_CHANNEL_IN_BACK_PROCESSED  = 0x200,
-    AUDIO_CHANNEL_IN_PRESSURE        = 0x400,
-    AUDIO_CHANNEL_IN_X_AXIS          = 0x800,
-    AUDIO_CHANNEL_IN_Y_AXIS          = 0x1000,
-    AUDIO_CHANNEL_IN_Z_AXIS          = 0x2000,
-    AUDIO_CHANNEL_IN_VOICE_UPLINK    = 0x4000,
-    AUDIO_CHANNEL_IN_VOICE_DNLINK    = 0x8000,
+    IN_LEFT            = 0x4,
+    IN_RIGHT           = 0x8,
+    IN_FRONT           = 0x10,
+    IN_BACK            = 0x20,
+    IN_LEFT_PROCESSED  = 0x40,
+    IN_RIGHT_PROCESSED = 0x80,
+    IN_FRONT_PROCESSED = 0x100,
+    IN_BACK_PROCESSED  = 0x200,
+    IN_PRESSURE        = 0x400,
+    IN_X_AXIS          = 0x800,
+    IN_Y_AXIS          = 0x1000,
+    IN_Z_AXIS          = 0x2000,
+    IN_VOICE_UPLINK    = 0x4000,
+    IN_VOICE_DNLINK    = 0x8000,
 
-    AUDIO_CHANNEL_IN_MONO   = AUDIO_CHANNEL_IN_FRONT,
-    AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT),
-    AUDIO_CHANNEL_IN_FRONT_BACK = (AUDIO_CHANNEL_IN_FRONT |
-                                   AUDIO_CHANNEL_IN_BACK),
-    AUDIO_CHANNEL_IN_ALL    = (AUDIO_CHANNEL_IN_LEFT |
-                               AUDIO_CHANNEL_IN_RIGHT |
-                               AUDIO_CHANNEL_IN_FRONT |
-                               AUDIO_CHANNEL_IN_BACK|
-                               AUDIO_CHANNEL_IN_LEFT_PROCESSED |
-                               AUDIO_CHANNEL_IN_RIGHT_PROCESSED |
-                               AUDIO_CHANNEL_IN_FRONT_PROCESSED |
-                               AUDIO_CHANNEL_IN_BACK_PROCESSED|
-                               AUDIO_CHANNEL_IN_PRESSURE |
-                               AUDIO_CHANNEL_IN_X_AXIS |
-                               AUDIO_CHANNEL_IN_Y_AXIS |
-                               AUDIO_CHANNEL_IN_Z_AXIS |
-                               AUDIO_CHANNEL_IN_VOICE_UPLINK |
-                               AUDIO_CHANNEL_IN_VOICE_DNLINK),
+    IN_MONO   = IN_FRONT,
+    IN_STEREO = (IN_LEFT | IN_RIGHT),
+    IN_FRONT_BACK = (IN_FRONT | IN_BACK),
+    IN_ALL    = (IN_LEFT | IN_RIGHT | IN_FRONT | IN_BACK|
+            IN_LEFT_PROCESSED | IN_RIGHT_PROCESSED |
+            IN_FRONT_PROCESSED | IN_BACK_PROCESSED|
+            IN_PRESSURE |
+            IN_X_AXIS | IN_Y_AXIS | IN_Z_AXIS |
+            IN_VOICE_UPLINK | IN_VOICE_DNLINK),
 
-    /*
-     * Expresses the convention when stereo audio samples are stored interleaved
-     * in an array.  This should improve readability by allowing code to use
-     * symbolic indices instead of hard-coded [0] and [1].
-     *
-     * For multi-channel beyond stereo, the platform convention is that channels
-     * are interleaved in order from least significant channel mask bit to most
-     * significant channel mask bit, with unused bits skipped.  Any exceptions
-     * to this convention will be noted at the appropriate API.
-     */
-    AUDIO_INTERLEAVE_LEFT   = 0,
-    AUDIO_INTERLEAVE_RIGHT  = 1,
+    COUNT_MAX    = 30,
+    INDEX_HDR    = REPRESENTATION_INDEX << COUNT_MAX,
+    INDEX_MASK_1 = INDEX_HDR | ((1 << 1) - 1),
+    INDEX_MASK_2 = INDEX_HDR | ((1 << 2) - 1),
+    INDEX_MASK_3 = INDEX_HDR | ((1 << 3) - 1),
+    INDEX_MASK_4 = INDEX_HDR | ((1 << 4) - 1),
+    INDEX_MASK_5 = INDEX_HDR | ((1 << 5) - 1),
+    INDEX_MASK_6 = INDEX_HDR | ((1 << 6) - 1),
+    INDEX_MASK_7 = INDEX_HDR | ((1 << 7) - 1),
+    INDEX_MASK_8 = INDEX_HDR | ((1 << 8) - 1)
+};
 
-    AUDIO_CHANNEL_COUNT_MAX  = 30,
-    AUDIO_CHANNEL_INDEX_HDR  =
-        AUDIO_CHANNEL_REPRESENTATION_INDEX << AUDIO_CHANNEL_COUNT_MAX,
-    AUDIO_CHANNEL_INDEX_MASK_1 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 1) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_2 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 2) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_3 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 3) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_4 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 4) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_5 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 5) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_6 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 6) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_7 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 7) - 1),
-    AUDIO_CHANNEL_INDEX_MASK_8 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 8) - 1)
+
+/*
+ * Expresses the convention when stereo audio samples are stored interleaved
+ * in an array.  This should improve readability by allowing code to use
+ * symbolic indices instead of hard-coded [0] and [1].
+ *
+ * For multi-channel beyond stereo, the platform convention is that channels
+ * are interleaved in order from least significant channel mask bit to most
+ * significant channel mask bit, with unused bits skipped.  Any exceptions
+ * to this convention will be noted at the appropriate API.
+ */
+@export(name="", value_prefix="AUDIO_INTERLEAVE_")
+enum AudioInterleave {
+    LEFT   = 0,
+    RIGHT  = 1,
 };
 
 /*
  * Major modes for a mobile device. The current mode setting affects audio
  * routing.
  */
-@export(name="audio_mode_t")
+@export(name="audio_mode_t", value_prefix="AUDIO_MODE_")
 enum AudioMode {
-    AUDIO_MODE_INVALID          = -2,
-    AUDIO_MODE_CURRENT          = -1,
-    AUDIO_MODE_NORMAL           = 0,
-    AUDIO_MODE_RINGTONE         = 1,
-    AUDIO_MODE_IN_CALL          = 2,
-    AUDIO_MODE_IN_COMMUNICATION = 3,
+    INVALID          = -2,
+    CURRENT          = -1,
+    NORMAL           = 0,
+    RINGTONE         = 1,
+    IN_CALL          = 2,
+    IN_COMMUNICATION = 3,
 
-    AUDIO_MODE_CNT,
-    AUDIO_MODE_MAX              = AUDIO_MODE_CNT - 1,
+    CNT,
+    MAX              = CNT - 1,
 };
 
-@export(name="")
+@export(name="", value_prefix="AUDIO_DEVICE_")
 enum AudioDevice : uint32_t {
-    AUDIO_DEVICE_NONE                          = 0x0,
+    NONE                          = 0x0,
     /* reserved bits */
-    AUDIO_DEVICE_BIT_IN                        = 0x80000000,
-    AUDIO_DEVICE_BIT_DEFAULT                   = 0x40000000,
+    BIT_IN                        = 0x80000000,
+    BIT_DEFAULT                   = 0x40000000,
     /* output devices */
-    AUDIO_DEVICE_OUT_EARPIECE                  = 0x1,
-    AUDIO_DEVICE_OUT_SPEAKER                   = 0x2,
-    AUDIO_DEVICE_OUT_WIRED_HEADSET             = 0x4,
-    AUDIO_DEVICE_OUT_WIRED_HEADPHONE           = 0x8,
-    AUDIO_DEVICE_OUT_BLUETOOTH_SCO             = 0x10,
-    AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET     = 0x20,
-    AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT      = 0x40,
-    AUDIO_DEVICE_OUT_BLUETOOTH_A2DP            = 0x80,
-    AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100,
-    AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER    = 0x200,
-    AUDIO_DEVICE_OUT_AUX_DIGITAL               = 0x400,
-    AUDIO_DEVICE_OUT_HDMI                      = AUDIO_DEVICE_OUT_AUX_DIGITAL,
+    OUT_EARPIECE                  = 0x1,
+    OUT_SPEAKER                   = 0x2,
+    OUT_WIRED_HEADSET             = 0x4,
+    OUT_WIRED_HEADPHONE           = 0x8,
+    OUT_BLUETOOTH_SCO             = 0x10,
+    OUT_BLUETOOTH_SCO_HEADSET     = 0x20,
+    OUT_BLUETOOTH_SCO_CARKIT      = 0x40,
+    OUT_BLUETOOTH_A2DP            = 0x80,
+    OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100,
+    OUT_BLUETOOTH_A2DP_SPEAKER    = 0x200,
+    OUT_AUX_DIGITAL               = 0x400,
+    OUT_HDMI                      = OUT_AUX_DIGITAL,
     /* uses an analog connection (multiplexed over the USB pins for instance) */
-    AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET         = 0x800,
-    AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET         = 0x1000,
+    OUT_ANLG_DOCK_HEADSET         = 0x800,
+    OUT_DGTL_DOCK_HEADSET         = 0x1000,
     /* USB accessory mode: Android device is USB device and dock is USB host */
-    AUDIO_DEVICE_OUT_USB_ACCESSORY             = 0x2000,
+    OUT_USB_ACCESSORY             = 0x2000,
     /* USB host mode: Android device is USB host and dock is USB device */
-    AUDIO_DEVICE_OUT_USB_DEVICE                = 0x4000,
-    AUDIO_DEVICE_OUT_REMOTE_SUBMIX             = 0x8000,
+    OUT_USB_DEVICE                = 0x4000,
+    OUT_REMOTE_SUBMIX             = 0x8000,
     /* Telephony voice TX path */
-    AUDIO_DEVICE_OUT_TELEPHONY_TX              = 0x10000,
+    OUT_TELEPHONY_TX              = 0x10000,
     /* Analog jack with line impedance detected */
-    AUDIO_DEVICE_OUT_LINE                      = 0x20000,
+    OUT_LINE                      = 0x20000,
     /* HDMI Audio Return Channel */
-    AUDIO_DEVICE_OUT_HDMI_ARC                  = 0x40000,
+    OUT_HDMI_ARC                  = 0x40000,
     /* S/PDIF out */
-    AUDIO_DEVICE_OUT_SPDIF                     = 0x80000,
+    OUT_SPDIF                     = 0x80000,
     /* FM transmitter out */
-    AUDIO_DEVICE_OUT_FM                        = 0x100000,
+    OUT_FM                        = 0x100000,
     /* Line out for av devices */
-    AUDIO_DEVICE_OUT_AUX_LINE                  = 0x200000,
+    OUT_AUX_LINE                  = 0x200000,
     /* limited-output speaker device for acoustic safety */
-    AUDIO_DEVICE_OUT_SPEAKER_SAFE              = 0x400000,
-    AUDIO_DEVICE_OUT_IP                        = 0x800000,
+    OUT_SPEAKER_SAFE              = 0x400000,
+    OUT_IP                        = 0x800000,
     /* audio bus implemented by the audio system (e.g an MOST stereo channel) */
-    AUDIO_DEVICE_OUT_BUS                       = 0x1000000,
-    AUDIO_DEVICE_OUT_DEFAULT                   = AUDIO_DEVICE_BIT_DEFAULT,
-    AUDIO_DEVICE_OUT_ALL      = (AUDIO_DEVICE_OUT_EARPIECE |
-                                 AUDIO_DEVICE_OUT_SPEAKER |
-                                 AUDIO_DEVICE_OUT_WIRED_HEADSET |
-                                 AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_SCO |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER |
-                                 AUDIO_DEVICE_OUT_HDMI |
-                                 AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
-                                 AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET |
-                                 AUDIO_DEVICE_OUT_USB_ACCESSORY |
-                                 AUDIO_DEVICE_OUT_USB_DEVICE |
-                                 AUDIO_DEVICE_OUT_REMOTE_SUBMIX |
-                                 AUDIO_DEVICE_OUT_TELEPHONY_TX |
-                                 AUDIO_DEVICE_OUT_LINE |
-                                 AUDIO_DEVICE_OUT_HDMI_ARC |
-                                 AUDIO_DEVICE_OUT_SPDIF |
-                                 AUDIO_DEVICE_OUT_FM |
-                                 AUDIO_DEVICE_OUT_AUX_LINE |
-                                 AUDIO_DEVICE_OUT_SPEAKER_SAFE |
-                                 AUDIO_DEVICE_OUT_IP |
-                                 AUDIO_DEVICE_OUT_BUS |
-                                 AUDIO_DEVICE_OUT_DEFAULT),
-    AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
-    AUDIO_DEVICE_OUT_ALL_SCO  = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
-                                 AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
-    AUDIO_DEVICE_OUT_ALL_USB  = (AUDIO_DEVICE_OUT_USB_ACCESSORY |
-                                 AUDIO_DEVICE_OUT_USB_DEVICE),
+    OUT_BUS                       = 0x1000000,
+    OUT_DEFAULT                   = BIT_DEFAULT,
+    OUT_ALL      = (OUT_EARPIECE |
+            OUT_SPEAKER |
+            OUT_WIRED_HEADSET |
+            OUT_WIRED_HEADPHONE |
+            OUT_BLUETOOTH_SCO |
+            OUT_BLUETOOTH_SCO_HEADSET |
+            OUT_BLUETOOTH_SCO_CARKIT |
+            OUT_BLUETOOTH_A2DP |
+            OUT_BLUETOOTH_A2DP_HEADPHONES |
+            OUT_BLUETOOTH_A2DP_SPEAKER |
+            OUT_HDMI |
+            OUT_ANLG_DOCK_HEADSET |
+            OUT_DGTL_DOCK_HEADSET |
+            OUT_USB_ACCESSORY |
+            OUT_USB_DEVICE |
+            OUT_REMOTE_SUBMIX |
+            OUT_TELEPHONY_TX |
+            OUT_LINE |
+            OUT_HDMI_ARC |
+            OUT_SPDIF |
+            OUT_FM |
+            OUT_AUX_LINE |
+            OUT_SPEAKER_SAFE |
+            OUT_IP |
+            OUT_BUS |
+            OUT_DEFAULT),
+    OUT_ALL_A2DP = (OUT_BLUETOOTH_A2DP |
+            OUT_BLUETOOTH_A2DP_HEADPHONES |
+            OUT_BLUETOOTH_A2DP_SPEAKER),
+    OUT_ALL_SCO  = (OUT_BLUETOOTH_SCO |
+            OUT_BLUETOOTH_SCO_HEADSET |
+            OUT_BLUETOOTH_SCO_CARKIT),
+    OUT_ALL_USB  = (OUT_USB_ACCESSORY | OUT_USB_DEVICE),
     /* input devices */
-    AUDIO_DEVICE_IN_COMMUNICATION         = AUDIO_DEVICE_BIT_IN | 0x1,
-    AUDIO_DEVICE_IN_AMBIENT               = AUDIO_DEVICE_BIT_IN | 0x2,
-    AUDIO_DEVICE_IN_BUILTIN_MIC           = AUDIO_DEVICE_BIT_IN | 0x4,
-    AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8,
-    AUDIO_DEVICE_IN_WIRED_HEADSET         = AUDIO_DEVICE_BIT_IN | 0x10,
-    AUDIO_DEVICE_IN_AUX_DIGITAL           = AUDIO_DEVICE_BIT_IN | 0x20,
-    AUDIO_DEVICE_IN_HDMI                  = AUDIO_DEVICE_IN_AUX_DIGITAL,
+    IN_COMMUNICATION         = BIT_IN | 0x1,
+    IN_AMBIENT               = BIT_IN | 0x2,
+    IN_BUILTIN_MIC           = BIT_IN | 0x4,
+    IN_BLUETOOTH_SCO_HEADSET = BIT_IN | 0x8,
+    IN_WIRED_HEADSET         = BIT_IN | 0x10,
+    IN_AUX_DIGITAL           = BIT_IN | 0x20,
+    IN_HDMI                  = IN_AUX_DIGITAL,
     /* Telephony voice RX path */
-    AUDIO_DEVICE_IN_VOICE_CALL            = AUDIO_DEVICE_BIT_IN | 0x40,
-    AUDIO_DEVICE_IN_TELEPHONY_RX          = AUDIO_DEVICE_IN_VOICE_CALL,
-    AUDIO_DEVICE_IN_BACK_MIC              = AUDIO_DEVICE_BIT_IN | 0x80,
-    AUDIO_DEVICE_IN_REMOTE_SUBMIX         = AUDIO_DEVICE_BIT_IN | 0x100,
-    AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET     = AUDIO_DEVICE_BIT_IN | 0x200,
-    AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET     = AUDIO_DEVICE_BIT_IN | 0x400,
-    AUDIO_DEVICE_IN_USB_ACCESSORY         = AUDIO_DEVICE_BIT_IN | 0x800,
-    AUDIO_DEVICE_IN_USB_DEVICE            = AUDIO_DEVICE_BIT_IN | 0x1000,
+    IN_VOICE_CALL            = BIT_IN | 0x40,
+    IN_TELEPHONY_RX          = IN_VOICE_CALL,
+    IN_BACK_MIC              = BIT_IN | 0x80,
+    IN_REMOTE_SUBMIX         = BIT_IN | 0x100,
+    IN_ANLG_DOCK_HEADSET     = BIT_IN | 0x200,
+    IN_DGTL_DOCK_HEADSET     = BIT_IN | 0x400,
+    IN_USB_ACCESSORY         = BIT_IN | 0x800,
+    IN_USB_DEVICE            = BIT_IN | 0x1000,
     /* FM tuner input */
-    AUDIO_DEVICE_IN_FM_TUNER              = AUDIO_DEVICE_BIT_IN | 0x2000,
+    IN_FM_TUNER              = BIT_IN | 0x2000,
     /* TV tuner input */
-    AUDIO_DEVICE_IN_TV_TUNER              = AUDIO_DEVICE_BIT_IN | 0x4000,
+    IN_TV_TUNER              = BIT_IN | 0x4000,
     /* Analog jack with line impedance detected */
-    AUDIO_DEVICE_IN_LINE                  = AUDIO_DEVICE_BIT_IN | 0x8000,
+    IN_LINE                  = BIT_IN | 0x8000,
     /* S/PDIF in */
-    AUDIO_DEVICE_IN_SPDIF                 = AUDIO_DEVICE_BIT_IN | 0x10000,
-    AUDIO_DEVICE_IN_BLUETOOTH_A2DP        = AUDIO_DEVICE_BIT_IN | 0x20000,
-    AUDIO_DEVICE_IN_LOOPBACK              = AUDIO_DEVICE_BIT_IN | 0x40000,
-    AUDIO_DEVICE_IN_IP                    = AUDIO_DEVICE_BIT_IN | 0x80000,
+    IN_SPDIF                 = BIT_IN | 0x10000,
+    IN_BLUETOOTH_A2DP        = BIT_IN | 0x20000,
+    IN_LOOPBACK              = BIT_IN | 0x40000,
+    IN_IP                    = BIT_IN | 0x80000,
     /* audio bus implemented by the audio system (e.g an MOST stereo channel) */
-    AUDIO_DEVICE_IN_BUS                   = AUDIO_DEVICE_BIT_IN | 0x100000,
-    AUDIO_DEVICE_IN_DEFAULT               = AUDIO_DEVICE_BIT_IN |
-                                            AUDIO_DEVICE_BIT_DEFAULT,
+    IN_BUS                   = BIT_IN | 0x100000,
+    IN_DEFAULT               = BIT_IN |
+                                            BIT_DEFAULT,
 
-    AUDIO_DEVICE_IN_ALL     = (AUDIO_DEVICE_IN_COMMUNICATION |
-                               AUDIO_DEVICE_IN_AMBIENT |
-                               AUDIO_DEVICE_IN_BUILTIN_MIC |
-                               AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET |
-                               AUDIO_DEVICE_IN_WIRED_HEADSET |
-                               AUDIO_DEVICE_IN_HDMI |
-                               AUDIO_DEVICE_IN_TELEPHONY_RX |
-                               AUDIO_DEVICE_IN_BACK_MIC |
-                               AUDIO_DEVICE_IN_REMOTE_SUBMIX |
-                               AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET |
-                               AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET |
-                               AUDIO_DEVICE_IN_USB_ACCESSORY |
-                               AUDIO_DEVICE_IN_USB_DEVICE |
-                               AUDIO_DEVICE_IN_FM_TUNER |
-                               AUDIO_DEVICE_IN_TV_TUNER |
-                               AUDIO_DEVICE_IN_LINE |
-                               AUDIO_DEVICE_IN_SPDIF |
-                               AUDIO_DEVICE_IN_BLUETOOTH_A2DP |
-                               AUDIO_DEVICE_IN_LOOPBACK |
-                               AUDIO_DEVICE_IN_IP |
-                               AUDIO_DEVICE_IN_BUS |
-                               AUDIO_DEVICE_IN_DEFAULT),
-    AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
-    AUDIO_DEVICE_IN_ALL_USB  = (AUDIO_DEVICE_IN_USB_ACCESSORY |
-                                AUDIO_DEVICE_IN_USB_DEVICE),
+    IN_ALL     = (IN_COMMUNICATION |
+            IN_AMBIENT |
+            IN_BUILTIN_MIC |
+            IN_BLUETOOTH_SCO_HEADSET |
+            IN_WIRED_HEADSET |
+            IN_HDMI |
+            IN_TELEPHONY_RX |
+            IN_BACK_MIC |
+            IN_REMOTE_SUBMIX |
+            IN_ANLG_DOCK_HEADSET |
+            IN_DGTL_DOCK_HEADSET |
+            IN_USB_ACCESSORY |
+            IN_USB_DEVICE |
+            IN_FM_TUNER |
+            IN_TV_TUNER |
+            IN_LINE |
+            IN_SPDIF |
+            IN_BLUETOOTH_A2DP |
+            IN_LOOPBACK |
+            IN_IP |
+            IN_BUS |
+            IN_DEFAULT),
+    IN_ALL_SCO = IN_BLUETOOTH_SCO_HEADSET,
+    IN_ALL_USB  = (IN_USB_ACCESSORY | IN_USB_DEVICE),
 };
 
 /*
@@ -649,31 +597,28 @@
  * The audio policy manager will try to match the flags in the request
  * (when getOuput() is called) to an available output stream.
  */
-@export(name="audio_output_flags_t")
+@export(name="audio_output_flags_t", value_prefix="AUDIO_OUTPUT_FLAG_")
 enum AudioOutputFlag {
-    AUDIO_OUTPUT_FLAG_NONE = 0x0,    // no attributes
-    AUDIO_OUTPUT_FLAG_DIRECT = 0x1,  // this output directly connects a track
-                                     // to one output stream: no software mixer
-    AUDIO_OUTPUT_FLAG_PRIMARY = 0x2, // this output is the primary output of
-                                     // the device. It is unique and must be
-                                     // present. It is opened by default and
-                                     // receives routing, audio mode and volume
-                                     // controls related to voice calls.
-    AUDIO_OUTPUT_FLAG_FAST = 0x4,    // output supports "fast tracks",
-                                     // defined elsewhere
-    AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 0x8, // use deep audio buffers
-    AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 0x10, // offload playback of compressed
-                                               // streams to hardware codec
-    AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20, // use non-blocking write
-    AUDIO_OUTPUT_FLAG_HW_AV_SYNC = 0x40,   // output uses a hardware A/V sync
-    AUDIO_OUTPUT_FLAG_TTS = 0x80,   // output for streams transmitted through
-                                    // speaker at a sample rate high enough
-                                    // to accommodate lower-range ultrasonic p/b
-    AUDIO_OUTPUT_FLAG_RAW = 0x100,  // minimize signal processing
-    AUDIO_OUTPUT_FLAG_SYNC = 0x200, // synchronize I/O streams
-    AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO = 0x400, // Audio stream contains
-                                               // compressed audio in
-                                               // SPDIF data bursts, not PCM.
+    NONE    = 0x0, // no attributes
+    DIRECT  = 0x1, // this output directly connects a track
+                   // to one output stream: no software mixer
+    PRIMARY = 0x2, // this output is the primary output of the device. It is
+                   // unique and must be present. It is opened by default and
+                   // receives routing, audio mode and volume controls related
+                   // to voice calls.
+    FAST    = 0x4,    // output supports "fast tracks", defined elsewhere
+    DEEP_BUFFER      = 0x8,   // use deep audio buffers
+    COMPRESS_OFFLOAD = 0x10,  // offload playback of compressed streams to
+                              // hardware codec
+    NON_BLOCKING     = 0x20,  // use non-blocking write
+    HW_AV_SYNC = 0x40,   // output uses a hardware A/V sync
+    TTS        = 0x80,   // output for streams transmitted through speaker at a
+                         // sample rate high enough to accommodate lower-range
+                         // ultrasonic p/b
+    RAW        = 0x100,  // minimize signal processing
+    SYNC       = 0x200,  // synchronize I/O streams
+    IEC958_NONAUDIO = 0x400, // Audio stream contains compressed audio in SPDIF
+                             // data bursts, not PCM.
 };
 
 /*
@@ -682,15 +627,13 @@
  * to indicate a preference to be connected to an input stream with
  * attributes corresponding to the specified flags.
  */
-@export(name="audio_input_flags_t")
-enum AudioInputFlags {
-    AUDIO_INPUT_FLAG_NONE       = 0x0,  // no attributes
-    AUDIO_INPUT_FLAG_FAST       = 0x1,  // prefer an input that supports
-                                        // "fast tracks"
-    AUDIO_INPUT_FLAG_HW_HOTWORD = 0x2,  // prefer an input that captures from
-                                        // hw hotword source
-    AUDIO_INPUT_FLAG_RAW        = 0x4,  // minimize signal processing
-    AUDIO_INPUT_FLAG_SYNC       = 0x8,  // synchronize I/O streams
+@export(name="audio_input_flags_t", value_prefix="AUDIO_INPUT_FLAG_")
+enum AudioInputFlag {
+    NONE       = 0x0,  // no attributes
+    FAST       = 0x1,  // prefer an input that supports "fast tracks"
+    HW_HOTWORD = 0x2,  // prefer an input that captures from hw hotword source
+    RAW        = 0x4,  // minimize signal processing
+    SYNC       = 0x8,  // synchronize I/O streams
 };
 
 /*
@@ -728,11 +671,11 @@
 /*
  * Type of gain control exposed by an audio port.
  */
-@export(name="")
+@export(name="", value_prefix="AUDIO_GAIN_MODE_")
 enum AudioGainMode : uint32_t {
-    AUDIO_GAIN_MODE_JOINT = 0x1,    // supports joint channel gain control
-    AUDIO_GAIN_MODE_CHANNELS = 0x2, // supports separate channel gain control
-    AUDIO_GAIN_MODE_RAMP = 0x4      // supports gain ramps
+    JOINT = 0x1,    // supports joint channel gain control
+    CHANNELS = 0x2, // supports separate channel gain control
+    RAMP = 0x4      // supports gain ramps
 };
 
 /*
@@ -785,24 +728,23 @@
  */
 
 /* Audio port role: either source or sink */
-@export(name="audio_port_role_t")
+@export(name="audio_port_role_t", value_prefix="AUDIO_PORT_ROLE_")
 enum AudioPortRole {
-    AUDIO_PORT_ROLE_NONE,
-    AUDIO_PORT_ROLE_SOURCE,
-    AUDIO_PORT_ROLE_SINK,
+    NONE,
+    SOURCE,
+    SINK,
 };
 
 /*
- * Audio port type indicates if it is a session (e.g AudioTrack),
- * a mix (e.g PlaybackThread output) or a physical device
- * (e.g AUDIO_DEVICE_OUT_SPEAKER)
+ * Audio port type indicates if it is a session (e.g AudioTrack), a mix (e.g
+ * PlaybackThread output) or a physical device (e.g OUT_SPEAKER)
  */
-@export(name="audio_port_type_t")
+@export(name="audio_port_type_t", value_prefix="AUDIO_PORT_TYPE_")
 enum AudioPortType {
-    AUDIO_PORT_TYPE_NONE,
-    AUDIO_PORT_TYPE_DEVICE,
-    AUDIO_PORT_TYPE_MIX,
-    AUDIO_PORT_TYPE_SESSION,
+    NONE,
+    DEVICE,
+    MIX,
+    SESSION,
 };
 
 /*
@@ -811,7 +753,7 @@
  */
 struct AudioPortConfigDeviceExt {
     AudioModuleHandle hwModule;  // module the device is attached to
-    AudioDevice type;            // device type (e.g AUDIO_DEVICE_OUT_SPEAKER)
+    AudioDevice type;            // device type (e.g OUT_SPEAKER)
     uint8_t[32] address;         // device address. "" if N/A
 };
 
@@ -826,16 +768,13 @@
 /*
  * Flags indicating which fields are to be considered in AudioPortConfig.
  */
-@export(name="")
+@export(name="", value_prefix="AUDIO_PORT_CONFIG_")
 enum AudioPortConfigMask : uint32_t {
-    AUDIO_PORT_CONFIG_SAMPLE_RATE = 0x1,
-    AUDIO_PORT_CONFIG_CHANNEL_MASK =  0x2,
-    AUDIO_PORT_CONFIG_FORMAT = 0x4,
-    AUDIO_PORT_CONFIG_GAIN = 0x8,
-    AUDIO_PORT_CONFIG_ALL = AUDIO_PORT_CONFIG_SAMPLE_RATE |
-                            AUDIO_PORT_CONFIG_CHANNEL_MASK |
-                            AUDIO_PORT_CONFIG_FORMAT |
-                            AUDIO_PORT_CONFIG_GAIN
+    SAMPLE_RATE = 0x1,
+    CHANNEL_MASK =  0x2,
+    FORMAT = 0x4,
+    GAIN = 0x8,
+    ALL = SAMPLE_RATE | CHANNEL_MASK | FORMAT | GAIN
 };
 
 /*
@@ -877,10 +816,10 @@
 /*
  * Latency class of the audio mix.
  */
-@export(name="audio_mix_latency_class_t")
+@export(name="audio_mix_latency_class_t", value_prefix="AUDIO_LATENCY_")
 enum AudioMixLatencyClass {
-    AUDIO_LATENCY_LOW,
-    AUDIO_LATENCY_NORMAL
+    LOW,
+    NORMAL
 } ;
 
 struct AudioPortMixExt {
diff --git a/audio/effect/2.0/types.hal b/audio/effect/2.0/types.hal
index 3560382..82f6766 100644
--- a/audio/effect/2.0/types.hal
+++ b/audio/effect/2.0/types.hal
@@ -108,109 +108,90 @@
  * |                |        |   have to implement a process function.
  * +----------------+--------+--------------------------------------------------
  */
-// TODO(mnaganov): Consider if "EFFECT_FLAG_" prefix can be dropped.
+@export(name="", value_prefix="EFFECT_FLAG_")
 enum EffectFlags {
     // Insert mode
-    EFFECT_FLAG_TYPE_SHIFT = 0,
-    EFFECT_FLAG_TYPE_SIZE = 3,
-    EFFECT_FLAG_TYPE_MASK =
-        ((1 << EFFECT_FLAG_TYPE_SIZE) -1) << EFFECT_FLAG_TYPE_SHIFT,
-    EFFECT_FLAG_TYPE_INSERT = 0 << EFFECT_FLAG_TYPE_SHIFT,
-    EFFECT_FLAG_TYPE_AUXILIARY = 1 << EFFECT_FLAG_TYPE_SHIFT,
-    EFFECT_FLAG_TYPE_REPLACE = 2 << EFFECT_FLAG_TYPE_SHIFT,
-    EFFECT_FLAG_TYPE_PRE_PROC = 3 << EFFECT_FLAG_TYPE_SHIFT,
-    EFFECT_FLAG_TYPE_POST_PROC = 4 << EFFECT_FLAG_TYPE_SHIFT,
+    TYPE_SHIFT = 0,
+    TYPE_SIZE = 3,
+    TYPE_MASK = ((1 << TYPE_SIZE) -1) << TYPE_SHIFT,
+    TYPE_INSERT = 0 << TYPE_SHIFT,
+    TYPE_AUXILIARY = 1 << TYPE_SHIFT,
+    TYPE_REPLACE = 2 << TYPE_SHIFT,
+    TYPE_PRE_PROC = 3 << TYPE_SHIFT,
+    TYPE_POST_PROC = 4 << TYPE_SHIFT,
 
     // Insert preference
-    EFFECT_FLAG_INSERT_SHIFT = EFFECT_FLAG_TYPE_SHIFT + EFFECT_FLAG_TYPE_SIZE,
-    EFFECT_FLAG_INSERT_SIZE = 3,
-    EFFECT_FLAG_INSERT_MASK =
-        ((1 << EFFECT_FLAG_INSERT_SIZE) -1) << EFFECT_FLAG_INSERT_SHIFT,
-    EFFECT_FLAG_INSERT_ANY = 0 << EFFECT_FLAG_INSERT_SHIFT,
-    EFFECT_FLAG_INSERT_FIRST = 1 << EFFECT_FLAG_INSERT_SHIFT,
-    EFFECT_FLAG_INSERT_LAST = 2 << EFFECT_FLAG_INSERT_SHIFT,
-    EFFECT_FLAG_INSERT_EXCLUSIVE = 3 << EFFECT_FLAG_INSERT_SHIFT,
+    INSERT_SHIFT = TYPE_SHIFT + TYPE_SIZE,
+    INSERT_SIZE = 3,
+    INSERT_MASK = ((1 << INSERT_SIZE) -1) << INSERT_SHIFT,
+    INSERT_ANY = 0 << INSERT_SHIFT,
+    INSERT_FIRST = 1 << INSERT_SHIFT,
+    INSERT_LAST = 2 << INSERT_SHIFT,
+    INSERT_EXCLUSIVE = 3 << INSERT_SHIFT,
 
     // Volume control
-    EFFECT_FLAG_VOLUME_SHIFT =
-        EFFECT_FLAG_INSERT_SHIFT + EFFECT_FLAG_INSERT_SIZE,
-    EFFECT_FLAG_VOLUME_SIZE = 3,
-    EFFECT_FLAG_VOLUME_MASK =
-        ((1 << EFFECT_FLAG_VOLUME_SIZE) -1) << EFFECT_FLAG_VOLUME_SHIFT,
-    EFFECT_FLAG_VOLUME_CTRL = 1 << EFFECT_FLAG_VOLUME_SHIFT,
-    EFFECT_FLAG_VOLUME_IND = 2 << EFFECT_FLAG_VOLUME_SHIFT,
-    EFFECT_FLAG_VOLUME_NONE = 0 << EFFECT_FLAG_VOLUME_SHIFT,
+    VOLUME_SHIFT = INSERT_SHIFT + INSERT_SIZE,
+    VOLUME_SIZE = 3,
+    VOLUME_MASK = ((1 << VOLUME_SIZE) -1) << VOLUME_SHIFT,
+    VOLUME_CTRL = 1 << VOLUME_SHIFT,
+    VOLUME_IND = 2 << VOLUME_SHIFT,
+    VOLUME_NONE = 0 << VOLUME_SHIFT,
 
     // Device indication
-    EFFECT_FLAG_DEVICE_SHIFT =
-        EFFECT_FLAG_VOLUME_SHIFT + EFFECT_FLAG_VOLUME_SIZE,
-    EFFECT_FLAG_DEVICE_SIZE = 3,
-    EFFECT_FLAG_DEVICE_MASK =
-        ((1 << EFFECT_FLAG_DEVICE_SIZE) -1) << EFFECT_FLAG_DEVICE_SHIFT,
-    EFFECT_FLAG_DEVICE_IND = 1 << EFFECT_FLAG_DEVICE_SHIFT,
-    EFFECT_FLAG_DEVICE_NONE = 0 << EFFECT_FLAG_DEVICE_SHIFT,
+    DEVICE_SHIFT = VOLUME_SHIFT + VOLUME_SIZE,
+    DEVICE_SIZE = 3,
+    DEVICE_MASK = ((1 << DEVICE_SIZE) -1) << DEVICE_SHIFT,
+    DEVICE_IND = 1 << DEVICE_SHIFT,
+    DEVICE_NONE = 0 << DEVICE_SHIFT,
 
     // Sample input modes
-    EFFECT_FLAG_INPUT_SHIFT =
-        EFFECT_FLAG_DEVICE_SHIFT + EFFECT_FLAG_DEVICE_SIZE,
-    EFFECT_FLAG_INPUT_SIZE = 2,
-    EFFECT_FLAG_INPUT_MASK =
-        ((1 << EFFECT_FLAG_INPUT_SIZE) -1) << EFFECT_FLAG_INPUT_SHIFT,
-    EFFECT_FLAG_INPUT_DIRECT = 1 << EFFECT_FLAG_INPUT_SHIFT,
-    EFFECT_FLAG_INPUT_PROVIDER = 2 << EFFECT_FLAG_INPUT_SHIFT,
-    EFFECT_FLAG_INPUT_BOTH = 3 << EFFECT_FLAG_INPUT_SHIFT,
+    INPUT_SHIFT = DEVICE_SHIFT + DEVICE_SIZE,
+    INPUT_SIZE = 2,
+    INPUT_MASK = ((1 << INPUT_SIZE) -1) << INPUT_SHIFT,
+    INPUT_DIRECT = 1 << INPUT_SHIFT,
+    INPUT_PROVIDER = 2 << INPUT_SHIFT,
+    INPUT_BOTH = 3 << INPUT_SHIFT,
 
     // Sample output modes
-    EFFECT_FLAG_OUTPUT_SHIFT = EFFECT_FLAG_INPUT_SHIFT + EFFECT_FLAG_INPUT_SIZE,
-    EFFECT_FLAG_OUTPUT_SIZE = 2,
-    EFFECT_FLAG_OUTPUT_MASK =
-        ((1 << EFFECT_FLAG_OUTPUT_SIZE) -1) << EFFECT_FLAG_OUTPUT_SHIFT,
-    EFFECT_FLAG_OUTPUT_DIRECT = 1 << EFFECT_FLAG_OUTPUT_SHIFT,
-    EFFECT_FLAG_OUTPUT_PROVIDER = 2 << EFFECT_FLAG_OUTPUT_SHIFT,
-    EFFECT_FLAG_OUTPUT_BOTH = 3 << EFFECT_FLAG_OUTPUT_SHIFT,
+    OUTPUT_SHIFT = INPUT_SHIFT + INPUT_SIZE,
+    OUTPUT_SIZE = 2,
+    OUTPUT_MASK = ((1 << OUTPUT_SIZE) -1) << OUTPUT_SHIFT,
+    OUTPUT_DIRECT = 1 << OUTPUT_SHIFT,
+    OUTPUT_PROVIDER = 2 << OUTPUT_SHIFT,
+    OUTPUT_BOTH = 3 << OUTPUT_SHIFT,
 
     // Hardware acceleration mode
-    EFFECT_FLAG_HW_ACC_SHIFT =
-        EFFECT_FLAG_OUTPUT_SHIFT + EFFECT_FLAG_OUTPUT_SIZE,
-    EFFECT_FLAG_HW_ACC_SIZE = 2,
-    EFFECT_FLAG_HW_ACC_MASK =
-        ((1 << EFFECT_FLAG_HW_ACC_SIZE) -1) << EFFECT_FLAG_HW_ACC_SHIFT,
-    EFFECT_FLAG_HW_ACC_SIMPLE = 1 << EFFECT_FLAG_HW_ACC_SHIFT,
-    EFFECT_FLAG_HW_ACC_TUNNEL = 2 << EFFECT_FLAG_HW_ACC_SHIFT,
+    HW_ACC_SHIFT = OUTPUT_SHIFT + OUTPUT_SIZE,
+    HW_ACC_SIZE = 2,
+    HW_ACC_MASK = ((1 << HW_ACC_SIZE) -1) << HW_ACC_SHIFT,
+    HW_ACC_SIMPLE = 1 << HW_ACC_SHIFT,
+    HW_ACC_TUNNEL = 2 << HW_ACC_SHIFT,
 
     // Audio mode indication
-    EFFECT_FLAG_AUDIO_MODE_SHIFT =
-        EFFECT_FLAG_HW_ACC_SHIFT + EFFECT_FLAG_HW_ACC_SIZE,
-    EFFECT_FLAG_AUDIO_MODE_SIZE = 2,
-    EFFECT_FLAG_AUDIO_MODE_MASK =
-        ((1 << EFFECT_FLAG_AUDIO_MODE_SIZE) -1) << EFFECT_FLAG_AUDIO_MODE_SHIFT,
-    EFFECT_FLAG_AUDIO_MODE_IND = 1 << EFFECT_FLAG_AUDIO_MODE_SHIFT,
-    EFFECT_FLAG_AUDIO_MODE_NONE = 0 << EFFECT_FLAG_AUDIO_MODE_SHIFT,
+    AUDIO_MODE_SHIFT = HW_ACC_SHIFT + HW_ACC_SIZE,
+    AUDIO_MODE_SIZE = 2,
+    AUDIO_MODE_MASK = ((1 << AUDIO_MODE_SIZE) -1) << AUDIO_MODE_SHIFT,
+    AUDIO_MODE_IND = 1 << AUDIO_MODE_SHIFT,
+    AUDIO_MODE_NONE = 0 << AUDIO_MODE_SHIFT,
 
     // Audio source indication
-    EFFECT_FLAG_AUDIO_SOURCE_SHIFT =
-        EFFECT_FLAG_AUDIO_MODE_SHIFT + EFFECT_FLAG_AUDIO_MODE_SIZE,
-    EFFECT_FLAG_AUDIO_SOURCE_SIZE = 2,
-    EFFECT_FLAG_AUDIO_SOURCE_MASK = ((1 << EFFECT_FLAG_AUDIO_SOURCE_SIZE) -1)
-        << EFFECT_FLAG_AUDIO_SOURCE_SHIFT,
-    EFFECT_FLAG_AUDIO_SOURCE_IND = 1 << EFFECT_FLAG_AUDIO_SOURCE_SHIFT,
-    EFFECT_FLAG_AUDIO_SOURCE_NONE = 0 << EFFECT_FLAG_AUDIO_SOURCE_SHIFT,
+    AUDIO_SOURCE_SHIFT = AUDIO_MODE_SHIFT + AUDIO_MODE_SIZE,
+    AUDIO_SOURCE_SIZE = 2,
+    AUDIO_SOURCE_MASK = ((1 << AUDIO_SOURCE_SIZE) -1) << AUDIO_SOURCE_SHIFT,
+    AUDIO_SOURCE_IND = 1 << AUDIO_SOURCE_SHIFT,
+    AUDIO_SOURCE_NONE = 0 << AUDIO_SOURCE_SHIFT,
 
     // Effect offload indication
-    EFFECT_FLAG_OFFLOAD_SHIFT =
-        EFFECT_FLAG_AUDIO_SOURCE_SHIFT + EFFECT_FLAG_AUDIO_SOURCE_SIZE,
-    EFFECT_FLAG_OFFLOAD_SIZE = 1,
-    EFFECT_FLAG_OFFLOAD_MASK =
-        ((1 << EFFECT_FLAG_OFFLOAD_SIZE) -1) << EFFECT_FLAG_OFFLOAD_SHIFT,
-    EFFECT_FLAG_OFFLOAD_SUPPORTED = 1 << EFFECT_FLAG_OFFLOAD_SHIFT,
+    OFFLOAD_SHIFT = AUDIO_SOURCE_SHIFT + AUDIO_SOURCE_SIZE,
+    OFFLOAD_SIZE = 1,
+    OFFLOAD_MASK = ((1 << OFFLOAD_SIZE) -1) << OFFLOAD_SHIFT,
+    OFFLOAD_SUPPORTED = 1 << OFFLOAD_SHIFT,
 
     // Effect has no process indication
-    EFFECT_FLAG_NO_PROCESS_SHIFT =
-        EFFECT_FLAG_OFFLOAD_SHIFT + EFFECT_FLAG_OFFLOAD_SIZE,
-    EFFECT_FLAG_NO_PROCESS_SIZE = 1,
-    EFFECT_FLAG_NO_PROCESS_MASK =
-        ((1 << EFFECT_FLAG_NO_PROCESS_SIZE) -1) << EFFECT_FLAG_NO_PROCESS_SHIFT,
-    EFFECT_FLAG_NO_PROCESS = 1 << EFFECT_FLAG_NO_PROCESS_SHIFT
+    NO_PROCESS_SHIFT = OFFLOAD_SHIFT + OFFLOAD_SIZE,
+    NO_PROCESS_SIZE = 1,
+    NO_PROCESS_MASK = ((1 << NO_PROCESS_SIZE) -1) << NO_PROCESS_SHIFT,
+    NO_PROCESS = 1 << NO_PROCESS_SHIFT
 };
 
 /*
@@ -246,24 +227,24 @@
     vec<uint8_t> data;
 };
 
+@export(name="effect_buffer_access_e", value_prefix="EFFECT_BUFFER_")
 enum EffectBufferAccess {
-    EFFECT_BUFFER_ACCESS_WRITE,
-    EFFECT_BUFFER_ACCESS_READ,
-    EFFECT_BUFFER_ACCESS_ACCUMULATE
+    ACCESS_WRITE,
+    ACCESS_READ,
+    ACCESS_ACCUMULATE
 };
 
 /*
  * Determines what fields of EffectBufferConfig need to be considered.
  */
+@export(name="", value_prefix="EFFECT_CONFIG_")
 enum EffectConfigParameters {
-    EFFECT_CONFIG_BUFFER = 0x0001,    // buffer field
-    EFFECT_CONFIG_SMP_RATE = 0x0002,  // samplingRate
-    EFFECT_CONFIG_CHANNELS = 0x0004,  // channels
-    EFFECT_CONFIG_FORMAT = 0x0008,    // format
-    EFFECT_CONFIG_ACC_MODE = 0x0010,  // accessMode
-    EFFECT_CONFIG_ALL = EFFECT_CONFIG_BUFFER | EFFECT_CONFIG_SMP_RATE |
-                        EFFECT_CONFIG_CHANNELS | EFFECT_CONFIG_FORMAT |
-                        EFFECT_CONFIG_ACC_MODE
+    BUFFER = 0x0001,    // buffer field
+    SMP_RATE = 0x0002,  // samplingRate
+    CHANNELS = 0x0004,  // channels
+    FORMAT = 0x0008,    // format
+    ACC_MODE = 0x0010,  // accessMode
+    ALL = BUFFER | SMP_RATE | CHANNELS | FORMAT | ACC_MODE
 };
 
 /*
@@ -284,10 +265,11 @@
     EffectBufferConfig outputCfg;
 };
 
+@export(name="effect_feature_e", value_prefix="EFFECT_FEATURE_")
 enum EffectFeature {
-    EFFECT_FEATURE_AUX_CHANNELS, // supports auxiliary channels
-                                 // (e.g. dual mic noise suppressor)
-    EFFECT_FEATURE_CNT
+    AUX_CHANNELS, // supports auxiliary channels
+                  // (e.g. dual mic noise suppressor)
+    CNT
 };
 
 struct EffectFeatureConfig {
diff --git a/power/1.0/Android.bp b/power/1.0/Android.bp
new file mode 100644
index 0000000..9b4d81e
--- /dev/null
+++ b/power/1.0/Android.bp
@@ -0,0 +1,46 @@
+// 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",
+    ],
+}
diff --git a/power/1.0/Android.mk b/power/1.0/Android.mk
new file mode 100644
index 0000000..5f1260b
--- /dev/null
+++ b/power/1.0/Android.mk
@@ -0,0 +1,238 @@
+# 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))
diff --git a/power/1.0/IPower.hal b/power/1.0/IPower.hal
new file mode 100644
index 0000000..6cba42a
--- /dev/null
+++ b/power/1.0/IPower.hal
@@ -0,0 +1,89 @@
+/*
+ * 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);
+};
diff --git a/power/1.0/default/Android.bp b/power/1.0/default/Android.bp
new file mode 100644
index 0000000..4c31c6f
--- /dev/null
+++ b/power/1.0/default/Android.bp
@@ -0,0 +1,46 @@
+// 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.
+
+cc_library_shared {
+    name: "android.hardware.power@1.0-impl",
+    relative_install_path: "hw",
+    srcs: ["Power.cpp"],
+
+    shared_libs: [
+        "liblog",
+        "libhardware",
+        "libhidl",
+        "libhwbinder",
+        "libutils",
+        "android.hardware.power@1.0",
+    ],
+
+}
+
+cc_binary {
+    relative_install_path: "hw",
+    name: "android.hardware.power@1.0-service",
+    srcs: ["service.cpp"],
+
+    shared_libs: [
+        "liblog",
+        "libdl",
+        "libutils",
+        "libhardware",
+        "libhidl",
+        "libhwbinder",
+        "android.hardware.power@1.0",
+    ],
+
+}
diff --git a/power/1.0/default/Power.cpp b/power/1.0/default/Power.cpp
new file mode 100644
index 0000000..5d0593b
--- /dev/null
+++ b/power/1.0/default/Power.cpp
@@ -0,0 +1,159 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.power@1.0-impl"
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+#include "Power.h"
+
+namespace android {
+namespace hardware {
+namespace power {
+namespace V1_0 {
+namespace implementation {
+
+Power::Power(power_module_t *module) : mModule(module) {
+    if (mModule)
+        mModule->init(mModule);
+}
+
+Power::~Power() {
+    delete(mModule);
+}
+
+// Methods from ::android::hardware::power::V1_0::IPower follow.
+Return<void> Power::setInteractive(bool interactive)  {
+    if (mModule->setInteractive > 0)
+        mModule->setInteractive(mModule, interactive ? 1 : 0);
+    return Void();
+}
+
+Return<void> Power::powerHint(PowerHint hint, int32_t data)  {
+    int32_t param = data;
+    if (mModule->powerHint > 0)
+        mModule->powerHint(mModule, static_cast<power_hint_t>(hint), &param);
+    return Void();
+}
+
+Return<void> Power::setFeature(Feature feature, bool activate)  {
+    if (mModule->setFeature > 0)
+        mModule->setFeature(mModule, static_cast<feature_t>(feature),
+                activate ? 1 : 0);
+    return Void();
+}
+
+Return<void> Power::getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb)  {
+    hidl_vec<PowerStatePlatformSleepState> states;
+    ssize_t number_platform_modes;
+    size_t *voters = nullptr;
+    power_state_platform_sleep_state_t *legacy_states = nullptr;
+    int ret;
+
+    if (mModule->get_number_of_platform_modes == nullptr ||
+            mModule->get_voter_list == nullptr ||
+            mModule->get_platform_low_power_stats == nullptr)
+    {
+        _hidl_cb(states, Status::SUCCESS);
+        return Void();
+    }
+
+    number_platform_modes = mModule->get_number_of_platform_modes(mModule);
+    if (number_platform_modes > 0)
+    {
+       voters = new size_t [number_platform_modes];
+       if (voters == nullptr)
+           goto done;
+
+       ret = mModule->get_voter_list(mModule, voters);
+       if (ret != 0)
+           goto done;
+
+       legacy_states = new power_state_platform_sleep_state_t [number_platform_modes];
+       if (legacy_states == nullptr)
+           goto done;
+
+       for (int i = 0; i < number_platform_modes; i++)
+       {
+          legacy_states[i].voters = nullptr;
+          legacy_states[i].voters = new power_state_voter_t [voters[i]];
+          if (legacy_states[i].voters == nullptr)
+              goto done;
+       }
+
+       ret = mModule->get_platform_low_power_stats(mModule, legacy_states);
+       if (ret != 0)
+           goto done;
+
+       states.resize(number_platform_modes);
+       for (int i = 0; i < number_platform_modes; i++)
+       {
+          power_state_platform_sleep_state_t& legacy_state = legacy_states[i];
+          PowerStatePlatformSleepState& state = states[i];
+          state.name = legacy_state.name;
+          state.residencyInMsecSinceBoot = legacy_state.residency_in_msec_since_boot;
+          state.totalTransitions = legacy_state.total_transitions;
+          state.supportedOnlyInSuspend = legacy_state.supported_only_in_suspend;
+          state.voters.resize(voters[i]);
+          for(size_t j = 0; j < voters[i]; j++)
+          {
+              state.voters[j].name = legacy_state.voters[j].name;
+              state.voters[j].totalTimeInMsecVotedForSinceBoot = legacy_state.voters[j].total_time_in_msec_voted_for_since_boot;
+              state.voters[j].totalNumberOfTimesVotedSinceBoot = legacy_state.voters[j].total_number_of_times_voted_since_boot;
+          }
+       }
+    }
+done:
+    if (legacy_states)
+    {
+        for (int i = 0; i < number_platform_modes; i++)
+        {
+            if(legacy_states[i].voters)
+                delete(legacy_states[i].voters);
+        }
+    }
+    delete[] legacy_states;
+    delete[] voters;
+    _hidl_cb(states, Status::SUCCESS);
+    return Void();
+}
+
+IPower* HIDL_FETCH_IPower(const char* name) {
+    int ret = 0;
+    const hw_module_t* hw_module = NULL;
+    power_module_t *power_module;
+    ret = hw_get_module(name, &hw_module);
+    if (ret == 0 && hw_module->methods->open > 0) {
+        ret = hw_module->methods->open(hw_module, name,
+                reinterpret_cast<hw_device_t**>(&power_module));
+        if (ret == 0) {
+            return new Power(power_module);
+        }
+        else {
+            ALOGE("Passthrough failed to load legacy HAL.");
+            return nullptr;
+        }
+    }
+    else {
+        ALOGE ("hw_get_module %s failed: %d", name, ret);
+        return nullptr;
+    }
+}
+
+} // namespace implementation
+}  // namespace V1_0
+}  // namespace power
+}  // namespace hardware
+}  // namespace android
diff --git a/power/1.0/default/Power.h b/power/1.0/default/Power.h
new file mode 100644
index 0000000..a0495be
--- /dev/null
+++ b/power/1.0/default/Power.h
@@ -0,0 +1,61 @@
+/*
+ * 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.
+ */
+
+#ifndef HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
+#define HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
+
+#include <android/hardware/power/1.0/IPower.h>
+#include <hidl/Status.h>
+
+#include <hidl/MQDescriptor.h>
+namespace android {
+namespace hardware {
+namespace power {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::power::V1_0::Feature;
+using ::android::hardware::power::V1_0::IPower;
+using ::android::hardware::power::V1_0::PowerHint;
+using ::android::hardware::power::V1_0::PowerStatePlatformSleepState;
+using ::android::hardware::power::V1_0::Status;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct Power : public IPower {
+    Power(power_module_t* module);
+    ~Power();
+    Return<void> setInteractive(bool interactive)  override;
+    Return<void> powerHint(PowerHint hint, int32_t data)  override;
+    Return<void> setFeature(Feature feature, bool activate)  override;
+    Return<void> getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb)  override;
+
+  private:
+    power_module_t* mModule;
+};
+
+extern "C" IPower* HIDL_FETCH_IPower(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace power
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
diff --git a/power/1.0/default/service.cpp b/power/1.0/default/service.cpp
new file mode 100644
index 0000000..bad1adf
--- /dev/null
+++ b/power/1.0/default/service.cpp
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "android.hardware.power@1.0-service"
+#include <utils/Log.h>
+
+#include <iostream>
+#include <unistd.h>
+
+#include <android/hardware/power/1.0/IPower.h>
+
+#include <hidl/IServiceManager.h>
+#include <hwbinder/IPCThreadState.h>
+#include <hwbinder/ProcessState.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+using android::sp;
+
+using android::hardware::IPCThreadState;
+using android::hardware::ProcessState;
+
+using android::hardware::power::V1_0::IPower;
+
+int main() {
+    const char instance[] = "power";
+    android::sp<IPower> service = IPower::getService(instance, true);
+    if (service.get() == nullptr) {
+        ALOGE("IPower::getService returned NULL, exiting");
+        return -1;
+    }
+    LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
+    service->registerAsService(instance);
+
+    ProcessState::self()->setThreadPoolMaxThreadCount(0);
+    ProcessState::self()->startThreadPool();
+    IPCThreadState::self()->joinThreadPool();
+}
diff --git a/power/1.0/types.hal b/power/1.0/types.hal
new file mode 100644
index 0000000..c27242e
--- /dev/null
+++ b/power/1.0/types.hal
@@ -0,0 +1,168 @@
+/*
+ * 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;
+};
diff --git a/tests/foo/1.0/IFoo.hal b/tests/foo/1.0/IFoo.hal
index 3d82353..614f1e4 100644
--- a/tests/foo/1.0/IFoo.hal
+++ b/tests/foo/1.0/IFoo.hal
@@ -80,6 +80,7 @@
     };
 
     doThis(float param);
+    doThis(uint32_t param);
     doThatAndReturnSomething(int64_t param) generates (int32_t result);
     doQuiteABit(int32_t a, int64_t b, float c, double d) generates (double something);
     doSomethingElse(int32_t[15] param) generates (int32_t[32] something);
diff --git a/vibrator/1.0/default/Android.bp b/vibrator/1.0/default/Android.bp
new file mode 100644
index 0000000..6d82a19
--- /dev/null
+++ b/vibrator/1.0/default/Android.bp
@@ -0,0 +1,26 @@
+//
+// 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.
+cc_library_shared {
+    name: "android.hardware.vibrator@1.0-impl",
+    relative_install_path: "hw",
+    srcs: ["Vibrator.cpp"],
+    shared_libs: [
+        "libhidl",
+        "liblog",
+        "libhwbinder",
+        "libutils",
+        "libhardware",
+        "android.hardware.vibrator@1.0",
+    ],
diff --git a/vibrator/1.0/default/Android.mk b/vibrator/1.0/default/Android.mk
index 3bb6f79..2b168bb 100644
--- a/vibrator/1.0/default/Android.mk
+++ b/vibrator/1.0/default/Android.mk
@@ -17,10 +17,11 @@
 LOCAL_PATH := $(call my-dir)
 
 include $(CLEAR_VARS)
-LOCAL_MODULE := android.hardware.vibrator@1.0-impl
+LOCAL_MODULE := android.hardware.vibrator@1.0-service
+LOCAL_INIT_RC := android.hardware.vibrator@1.0-service.rc
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SRC_FILES := \
-  Vibrator.cpp \
+  service.cpp \
 
 LOCAL_SHARED_LIBRARIES := \
   libhidl \
@@ -30,4 +31,4 @@
   libhardware \
   android.hardware.vibrator@1.0
 
-include $(BUILD_SHARED_LIBRARY)
+include $(BUILD_EXECUTABLE)
diff --git a/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc b/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc
new file mode 100644
index 0000000..a7836b3
--- /dev/null
+++ b/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc
@@ -0,0 +1,4 @@
+service vibrator-1-0 /system/bin/hw/android.hardware.vibrator@1.0-service
+    class hal
+    user system
+    group system readproc
diff --git a/vibrator/1.0/default/service.cpp b/vibrator/1.0/default/service.cpp
new file mode 100644
index 0000000..a4a7132
--- /dev/null
+++ b/vibrator/1.0/default/service.cpp
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+#define LOG_TAG "android.hardware.vibrator@1.0-service"
+#include <utils/Log.h>
+
+#include <iostream>
+#include <unistd.h>
+
+#include <android/hardware/vibrator/1.0/IVibrator.h>
+
+#include <hidl/IServiceManager.h>
+#include <hwbinder/IPCThreadState.h>
+#include <hwbinder/ProcessState.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+using android::sp;
+
+// libhwbinder:
+using android::hardware::IPCThreadState;
+using android::hardware::ProcessState;
+
+// Generated HIDL files
+using android::hardware::vibrator::V1_0::IVibrator;
+
+int main() {
+    ALOGI("Service is starting.");
+    const char instance[] = "vibrator";
+    ALOGI("Retrieving default implementation of instance %s.",
+          instance);
+    android::sp<IVibrator> service = IVibrator::getService(instance, true);
+    if (service.get() == nullptr) {
+        ALOGE("IVibrator::getService returned NULL, exiting");
+        return -1;
+    }
+    ALOGI("Default implementation using %s is %s",
+          instance, (service->isRemote() ? "REMOTE" : "LOCAL"));
+    LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
+    ALOGI("Registering instance %s.", instance);
+    service->registerAsService(instance);
+    ALOGI("Ready.");
+
+    ProcessState::self()->setThreadPoolMaxThreadCount(0);
+    ProcessState::self()->startThreadPool();
+    IPCThreadState::self()->joinThreadPool();
+}
diff --git a/wifi/1.0/Android.bp b/wifi/1.0/Android.bp
index 07e17ef..59ad2c5 100644
--- a/wifi/1.0/Android.bp
+++ b/wifi/1.0/Android.bp
@@ -7,16 +7,28 @@
     srcs: [
         "types.hal",
         "IWifi.hal",
+        "IWifiApIface.hal",
         "IWifiChip.hal",
         "IWifiChipEventCallback.hal",
         "IWifiEventCallback.hal",
+        "IWifiIface.hal",
+        "IWifiNanIface.hal",
+        "IWifiP2pIface.hal",
+        "IWifiRttController.hal",
+        "IWifiStaIface.hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.cpp",
         "android/hardware/wifi/1.0/WifiAll.cpp",
+        "android/hardware/wifi/1.0/WifiApIfaceAll.cpp",
         "android/hardware/wifi/1.0/WifiChipAll.cpp",
         "android/hardware/wifi/1.0/WifiChipEventCallbackAll.cpp",
         "android/hardware/wifi/1.0/WifiEventCallbackAll.cpp",
+        "android/hardware/wifi/1.0/WifiIfaceAll.cpp",
+        "android/hardware/wifi/1.0/WifiNanIfaceAll.cpp",
+        "android/hardware/wifi/1.0/WifiP2pIfaceAll.cpp",
+        "android/hardware/wifi/1.0/WifiRttControllerAll.cpp",
+        "android/hardware/wifi/1.0/WifiStaIfaceAll.cpp",
     ],
 }
 
@@ -27,9 +39,15 @@
     srcs: [
         "types.hal",
         "IWifi.hal",
+        "IWifiApIface.hal",
         "IWifiChip.hal",
         "IWifiChipEventCallback.hal",
         "IWifiEventCallback.hal",
+        "IWifiIface.hal",
+        "IWifiNanIface.hal",
+        "IWifiP2pIface.hal",
+        "IWifiRttController.hal",
+        "IWifiStaIface.hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.h",
@@ -38,6 +56,11 @@
         "android/hardware/wifi/1.0/BnWifi.h",
         "android/hardware/wifi/1.0/BpWifi.h",
         "android/hardware/wifi/1.0/BsWifi.h",
+        "android/hardware/wifi/1.0/IWifiApIface.h",
+        "android/hardware/wifi/1.0/IHwWifiApIface.h",
+        "android/hardware/wifi/1.0/BnWifiApIface.h",
+        "android/hardware/wifi/1.0/BpWifiApIface.h",
+        "android/hardware/wifi/1.0/BsWifiApIface.h",
         "android/hardware/wifi/1.0/IWifiChip.h",
         "android/hardware/wifi/1.0/IHwWifiChip.h",
         "android/hardware/wifi/1.0/BnWifiChip.h",
@@ -53,6 +76,31 @@
         "android/hardware/wifi/1.0/BnWifiEventCallback.h",
         "android/hardware/wifi/1.0/BpWifiEventCallback.h",
         "android/hardware/wifi/1.0/BsWifiEventCallback.h",
+        "android/hardware/wifi/1.0/IWifiIface.h",
+        "android/hardware/wifi/1.0/IHwWifiIface.h",
+        "android/hardware/wifi/1.0/BnWifiIface.h",
+        "android/hardware/wifi/1.0/BpWifiIface.h",
+        "android/hardware/wifi/1.0/BsWifiIface.h",
+        "android/hardware/wifi/1.0/IWifiNanIface.h",
+        "android/hardware/wifi/1.0/IHwWifiNanIface.h",
+        "android/hardware/wifi/1.0/BnWifiNanIface.h",
+        "android/hardware/wifi/1.0/BpWifiNanIface.h",
+        "android/hardware/wifi/1.0/BsWifiNanIface.h",
+        "android/hardware/wifi/1.0/IWifiP2pIface.h",
+        "android/hardware/wifi/1.0/IHwWifiP2pIface.h",
+        "android/hardware/wifi/1.0/BnWifiP2pIface.h",
+        "android/hardware/wifi/1.0/BpWifiP2pIface.h",
+        "android/hardware/wifi/1.0/BsWifiP2pIface.h",
+        "android/hardware/wifi/1.0/IWifiRttController.h",
+        "android/hardware/wifi/1.0/IHwWifiRttController.h",
+        "android/hardware/wifi/1.0/BnWifiRttController.h",
+        "android/hardware/wifi/1.0/BpWifiRttController.h",
+        "android/hardware/wifi/1.0/BsWifiRttController.h",
+        "android/hardware/wifi/1.0/IWifiStaIface.h",
+        "android/hardware/wifi/1.0/IHwWifiStaIface.h",
+        "android/hardware/wifi/1.0/BnWifiStaIface.h",
+        "android/hardware/wifi/1.0/BpWifiStaIface.h",
+        "android/hardware/wifi/1.0/BsWifiStaIface.h",
     ],
 }
 
diff --git a/wifi/1.0/Android.mk b/wifi/1.0/Android.mk
index e211ca8..58c487b 100644
--- a/wifi/1.0/Android.mk
+++ b/wifi/1.0/Android.mk
@@ -47,6 +47,23 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (IfaceType)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IfaceType.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.IfaceType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifi.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifi.java
@@ -57,6 +74,8 @@
 $(GEN): $(LOCAL_PATH)/IWifiChip.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiEventCallback.hal
 $(GEN): $(LOCAL_PATH)/IWifiEventCallback.hal
+$(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) \
@@ -68,14 +87,45 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build IWifiApIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiApIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiApIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiApIface
+
+$(GEN): $(LOCAL_PATH)/IWifiApIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifiChip.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiChip.java
 $(GEN): $(HIDL)
 $(GEN): PRIVATE_HIDL := $(HIDL)
 $(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiChip.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiApIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiApIface.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiChipEventCallback.hal
 $(GEN): $(LOCAL_PATH)/IWifiChipEventCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiStaIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiStaIface.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
 $(GEN): $(LOCAL_PATH)/types.hal
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
@@ -125,6 +175,101 @@
 $(GEN): $(LOCAL_PATH)/IWifiEventCallback.hal
 	$(transform-generated-source)
 LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiIface
+
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiNanIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiNanIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiNanIface
+
+$(GEN): $(LOCAL_PATH)/IWifiNanIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiP2pIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiP2pIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiP2pIface
+
+$(GEN): $(LOCAL_PATH)/IWifiP2pIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiRttController.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiRttController.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiRttController
+
+$(GEN): $(LOCAL_PATH)/IWifiRttController.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiStaIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiStaIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiStaIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiStaIface
+
+$(GEN): $(LOCAL_PATH)/IWifiStaIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
 include $(BUILD_JAVA_LIBRARY)
 
 
@@ -173,6 +318,23 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (IfaceType)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IfaceType.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.IfaceType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifi.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifi.java
@@ -183,6 +345,8 @@
 $(GEN): $(LOCAL_PATH)/IWifiChip.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiEventCallback.hal
 $(GEN): $(LOCAL_PATH)/IWifiEventCallback.hal
+$(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) \
@@ -194,14 +358,45 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build IWifiApIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiApIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiApIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiApIface
+
+$(GEN): $(LOCAL_PATH)/IWifiApIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifiChip.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiChip.java
 $(GEN): $(HIDL)
 $(GEN): PRIVATE_HIDL := $(HIDL)
 $(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiChip.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiApIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiApIface.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiChipEventCallback.hal
 $(GEN): $(LOCAL_PATH)/IWifiChipEventCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiStaIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiStaIface.hal
 $(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
 $(GEN): $(LOCAL_PATH)/types.hal
 $(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
@@ -251,6 +446,101 @@
 $(GEN): $(LOCAL_PATH)/IWifiEventCallback.hal
 	$(transform-generated-source)
 LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiIface
+
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiNanIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiNanIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiNanIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiNanIface
+
+$(GEN): $(LOCAL_PATH)/IWifiNanIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiP2pIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiP2pIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiP2pIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiP2pIface
+
+$(GEN): $(LOCAL_PATH)/IWifiP2pIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiRttController.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiRttController.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiRttController.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiRttController
+
+$(GEN): $(LOCAL_PATH)/IWifiRttController.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IWifiStaIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/IWifiStaIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IWifiStaIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): $(LOCAL_PATH)/IWifiIface.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::IWifiStaIface
+
+$(GEN): $(LOCAL_PATH)/IWifiStaIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 
diff --git a/wifi/1.0/IWifi.hal b/wifi/1.0/IWifi.hal
index d1311f5..9e09348 100644
--- a/wifi/1.0/IWifi.hal
+++ b/wifi/1.0/IWifi.hal
@@ -70,10 +70,22 @@
   @callflow(next={"registerEventCallback", "start", "stop"})
   oneway stop();
 
-  // TODO(b/30570663) return vec<IWifiChip> instead
   /**
-   * Get the configurable chip on the device.
+   * Retrieve the list of all chip Id's on the device.
+   * The corresponding |IWifiChip| object for any chip can be
+   * retrieved using |getChip| method.
+   *
+   * @return chipIds List of all chip Id's on the device.
    */
   @callflow(next={"*"})
-  getChip() generates (IWifiChip chip);
+  getChipIds() generates (vec<ChipId> chipIds);
+
+  /**
+   * Gets a HIDL interface object for the chip corresponding to the
+   * provided chipId.
+   *
+   * @return chip HIDL interface object representing the chip.
+   */
+  @callflow(next={"*"})
+  getChip(ChipId chipId) generates (IWifiChip chip);
 };
diff --git a/wifi/1.0/IWifiApIface.hal b/wifi/1.0/IWifiApIface.hal
new file mode 100644
index 0000000..6bc3580
--- /dev/null
+++ b/wifi/1.0/IWifiApIface.hal
@@ -0,0 +1,26 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+import IWifiIface;
+
+/**
+ * Interface used to represent a single AP iface.
+ */
+interface IWifiApIface extends IWifiIface {
+  /** TODO(rpius): Add methods to the interface. */
+};
diff --git a/wifi/1.0/IWifiChip.hal b/wifi/1.0/IWifiChip.hal
index 7a41ddf..cd4b219 100644
--- a/wifi/1.0/IWifiChip.hal
+++ b/wifi/1.0/IWifiChip.hal
@@ -17,6 +17,12 @@
 package android.hardware.wifi@1.0;
 
 import IWifiChipEventCallback;
+import IWifiIface;
+import IWifiApIface;
+import IWifiNanIface;
+import IWifiP2pIface;
+import IWifiStaIface;
+import IWifiRttController;
 
 /**
  * Interface that represents a chip that must be configured as a single unit.
@@ -24,15 +30,6 @@
  * to perform operations like NAN, RTT, etc.
  */
 interface IWifiChip {
-  enum IfaceType : uint32_t {
-    STA, AP, P2P,
-    /**
-     * NAN control interface. Datapath support may be queried and created
-     * through this interface.
-     */
-    NAN,
-  };
-
   /**
    * Set of interface types with the maximum number of interfaces that can have
    * one of the specified type for a given ChipIfaceCombination. See
@@ -122,6 +119,13 @@
   };
 
   /**
+   * Get the id assigned to this chip.
+   *
+   * @return id Assigned chip Id.
+   */
+  getId() generates (ChipId id);
+
+  /**
    * Requests notifications of significant events on this chip. Multiple calls
    * to this will register multiple callbacks each of which will receive all
    * events.
@@ -176,4 +180,142 @@
    * success, or |IWifiChipEventCallback.onFirmwareDebugDumpFailure| on failure.
    */
   oneway requestFirmwareDebugDump();
+
+  /**
+   * Create an AP iface on the chip.
+   *
+   * Depending on the mode the chip is configured in, the interface creation
+   * may fail if we've already reached the maximum allowed
+   * (specified in |ChipIfaceCombination|) number of ifaces of the AP type.
+   *
+   * @return iface HIDL interface object representing the iface if
+   *         successful, null otherwise.
+   */
+  createApIface() generates (IWifiApIface iface);
+
+  /**
+   * List all the AP iface names configured on the chip.
+   * The corresponding |IWifiApIface| object for any iface are
+   * retrieved using |getApIface| method.
+   *
+   * @return ifnames List of all AP iface names on the chip.
+   */
+  getApIfaceNames() generates (vec<string> ifnames);
+
+  /**
+   * Gets a HIDL interface object for the AP Iface corresponding
+   * to the provided ifname.
+   *
+   * @param ifname Name of the iface.
+   * @return iface HIDL interface object representing the iface if
+   *         it exists, null otherwise.
+   */
+  getApIface(string ifname) generates (IWifiApIface iface);
+
+  /**
+   * Create a NAN iface on the chip.
+   *
+   * Depending on the mode the chip is configured in, the interface creation
+   * may fail if we've already reached the maximum allowed
+   * (specified in |ChipIfaceCombination|) number of ifaces of the NAN type.
+   *
+   * @return iface HIDL interface object representing the iface if
+   *         successful, null otherwise.
+   */
+  createNanIface() generates (IWifiNanIface iface);
+
+  /**
+   * List all the NAN iface names configured on the chip.
+   * The corresponding |IWifiNanIface| object for any iface are
+   * retrieved using |getNanIface| method.
+   *
+   * @return ifnames List of all NAN iface names on the chip.
+   */
+  getNanIfaceNames() generates (vec<string> ifnames);
+
+  /**
+   * Gets a HIDL interface object for the NAN Iface corresponding
+   * to the provided ifname.
+   *
+   * @param ifname Name of the iface.
+   * @return iface HIDL interface object representing the iface if
+   *         it exists, null otherwise.
+   */
+  getNanIface(string ifname) generates (IWifiNanIface iface);
+
+  /**
+   * Create a P2P iface on the chip.
+   *
+   * Depending on the mode the chip is configured in, the interface creation
+   * may fail if we've already reached the maximum allowed
+   * (specified in |ChipIfaceCombination|) number of ifaces of the P2P type.
+   *
+   * @return iface HIDL interface object representing the iface if
+   *         successful, null otherwise.
+   */
+  createP2pIface() generates (IWifiP2pIface iface);
+
+  /**
+   * List all the P2P iface names configured on the chip.
+   * The corresponding |IWifiP2pIface| object for any iface are
+   * retrieved using |getP2pIface| method.
+   *
+   * @return ifnames List of all P2P iface names on the chip.
+   */
+  getP2pIfaceNames() generates (vec<string> ifnames);
+
+  /**
+   * Gets a HIDL interface object for the P2P Iface corresponding
+   * to the provided ifname.
+   *
+   * @param ifname Name of the iface.
+   * @return iface HIDL interface object representing the iface if
+   *         it exists, null otherwise.
+   */
+  getP2pIface(string ifname) generates (IWifiP2pIface iface);
+
+  /**
+   * Create an STA iface on the chip.
+   *
+   * Depending on the mode the chip is configured in, the interface creation
+   * may fail if we've already reached the maximum allowed
+   * (specified in |ChipIfaceCombination|) number of ifaces of the STA type.
+   *
+   * @return iface HIDL interface object representing the iface if
+   *         successful, null otherwise.
+   */
+  createStaIface() generates (IWifiStaIface iface);
+
+  /**
+   * List all the STA iface names configured on the chip.
+   * The corresponding |IWifiStaIface| object for any iface are
+   * retrieved using |getStaIface| method.
+   *
+   * @return ifnames List of all STA iface names on the chip.
+   */
+  getStaIfaceNames() generates (vec<string> ifnames);
+
+  /**
+   * Gets a HIDL interface object for the STA Iface corresponding
+   * to the provided ifname.
+   *
+   * @param ifname Name of the iface.
+   * @return iface HIDL interface object representing the iface if
+   *         it exists, null otherwise.
+   */
+  getStaIface(string ifname) generates (IWifiStaIface iface);
+
+  /**
+   * Create a RTTController instance.
+   *
+   * RTT controller can be either:
+   * a) Bound to a specific iface by passing in the corresponding |IWifiIface|
+   * object in |iface| param, OR
+   * b) Let the implementation decide the iface to use for RTT operations by
+   * passing null in |iface| param.
+   *
+   * @param boundIface HIDL interface object representing the iface if
+   *        the responder must be bound to a specific iface, null otherwise.
+   */
+  createRttController(IWifiIface boundIface) generates (IWifiRttController rtt);
 };
diff --git a/wifi/1.0/IWifiIface.hal b/wifi/1.0/IWifiIface.hal
new file mode 100644
index 0000000..f4150e7
--- /dev/null
+++ b/wifi/1.0/IWifiIface.hal
@@ -0,0 +1,36 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+/**
+ * Interface used to represent a single iface.
+ */
+interface IWifiIface {
+  /**
+   * Get the type of this iface.
+   *
+   * @return type One of the supported iface types.
+   */
+  getType() generates (IfaceType type);
+
+  /**
+   * Get the name of this iface.
+   *
+   * @return name Name of the iface.
+   */
+  getName() generates (string name);
+};
diff --git a/wifi/1.0/IWifiNanIface.hal b/wifi/1.0/IWifiNanIface.hal
new file mode 100644
index 0000000..dade94c
--- /dev/null
+++ b/wifi/1.0/IWifiNanIface.hal
@@ -0,0 +1,26 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+import IWifiIface;
+
+/**
+ * Interface used to represent a single NAN iface.
+ */
+interface IWifiNanIface extends IWifiIface {
+  /** TODO(rpius): Add methods to the interface. */
+};
diff --git a/wifi/1.0/IWifiP2pIface.hal b/wifi/1.0/IWifiP2pIface.hal
new file mode 100644
index 0000000..243748f
--- /dev/null
+++ b/wifi/1.0/IWifiP2pIface.hal
@@ -0,0 +1,26 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+import IWifiIface;
+
+/**
+ * Interface used to represent a single NAN iface.
+ */
+interface IWifiP2pIface extends IWifiIface {
+  /** TODO(rpius): Add methods to the interface. */
+};
diff --git a/wifi/1.0/IWifiRttController.hal b/wifi/1.0/IWifiRttController.hal
new file mode 100644
index 0000000..d735da7
--- /dev/null
+++ b/wifi/1.0/IWifiRttController.hal
@@ -0,0 +1,32 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+import IWifiIface;
+
+/**
+ * Interface used to perform RTT operations.
+ */
+interface IWifiRttController {
+  /**
+   * Get the iface on which the RTT operations will be performed.
+   *
+   * @return boundIface HIDL interface object representing the iface if bound
+   *         to a specific iface, null otherwise
+   */
+  getBoundIface() generates (IWifiIface boundIface);
+};
diff --git a/wifi/1.0/IWifiStaIface.hal b/wifi/1.0/IWifiStaIface.hal
new file mode 100644
index 0000000..5234c71
--- /dev/null
+++ b/wifi/1.0/IWifiStaIface.hal
@@ -0,0 +1,26 @@
+/*
+ * Copyright 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.wifi@1.0;
+
+import IWifiIface;
+
+/**
+ * Interface used to represent a single STA iface.
+ */
+interface IWifiStaIface extends IWifiIface {
+  /** TODO(rpius): Add methods to the interface. */
+};
diff --git a/wifi/1.0/default/Android.mk b/wifi/1.0/default/Android.mk
index 07865a5..3fd5fba 100644
--- a/wifi/1.0/default/Android.mk
+++ b/wifi/1.0/default/Android.mk
@@ -19,9 +19,14 @@
 LOCAL_CPPFLAGS := -std=c++11 -Wall -Wno-unused-parameter -Werror -Wextra
 LOCAL_SRC_FILES := \
     failure_reason_util.cpp \
-    wifi_chip.cpp \
     wifi.cpp \
-    wifi_legacy_hal.cpp
+    wifi_ap_iface.cpp \
+    wifi_chip.cpp \
+    wifi_legacy_hal.cpp \
+    wifi_nan_iface.cpp \
+    wifi_p2p_iface.cpp \
+    wifi_rtt_controller.cpp \
+    wifi_sta_iface.cpp
 LOCAL_SHARED_LIBRARIES := \
     android.hardware.wifi@1.0 \
     libbase \
diff --git a/wifi/1.0/default/wifi.cpp b/wifi/1.0/default/wifi.cpp
index d5b69b8..ff2eb4c 100644
--- a/wifi/1.0/default/wifi.cpp
+++ b/wifi/1.0/default/wifi.cpp
@@ -21,6 +21,11 @@
 #include "failure_reason_util.h"
 #include "wifi_chip.h"
 
+namespace {
+// Chip ID to use for the only supported chip.
+static constexpr android::hardware::wifi::V1_0::ChipId kChipId = 0;
+}  // namespace
+
 namespace android {
 namespace hardware {
 namespace wifi {
@@ -33,7 +38,7 @@
 Return<void> Wifi::registerEventCallback(
     const sp<IWifiEventCallback>& callback) {
   // TODO(b/31632518): remove the callback when the client is destroyed
-  callbacks_.insert(callback);
+  callbacks_.emplace_back(callback);
   return Void();
 }
 
@@ -67,7 +72,7 @@
   }
 
   // Create the chip instance once the HAL is started.
-  chip_ = new WifiChip(legacy_hal_);
+  chip_ = new WifiChip(kChipId, legacy_hal_);
   run_state_ = RunState::STARTED;
   for (const auto& callback : callbacks_) {
     callback->onStart();
@@ -108,8 +113,23 @@
   return Void();
 }
 
-Return<void> Wifi::getChip(getChip_cb cb) {
-  cb(chip_);
+Return<void> Wifi::getChipIds(getChipIds_cb cb) {
+  std::vector<ChipId> chip_ids;
+  if (chip_.get()) {
+    chip_ids.emplace_back(kChipId);
+  }
+  hidl_vec<ChipId> hidl_data;
+  hidl_data.setToExternal(chip_ids.data(), chip_ids.size());
+  cb(hidl_data);
+  return Void();
+}
+
+Return<void> Wifi::getChip(ChipId chip_id, getChip_cb cb) {
+  if (chip_.get() && chip_id == kChipId) {
+    cb(chip_);
+  } else {
+    cb(nullptr);
+  }
   return Void();
 }
 
diff --git a/wifi/1.0/default/wifi.h b/wifi/1.0/default/wifi.h
index e6cf1ac..55ba12b 100644
--- a/wifi/1.0/default/wifi.h
+++ b/wifi/1.0/default/wifi.h
@@ -18,7 +18,6 @@
 #define WIFI_H_
 
 #include <functional>
-#include <set>
 
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.0/IWifi.h>
@@ -46,7 +45,8 @@
   Return<bool> isStarted() override;
   Return<void> start() override;
   Return<void> stop() override;
-  Return<void> getChip(getChip_cb cb) override;
+  Return<void> getChipIds(getChipIds_cb cb) override;
+  Return<void> getChip(ChipId chip_id, getChip_cb cb) override;
 
  private:
   enum class RunState { STOPPED, STARTED, STOPPING };
@@ -55,7 +55,7 @@
   // and shared with all the child HIDL interface objects.
   std::shared_ptr<WifiLegacyHal> legacy_hal_;
   RunState run_state_;
-  std::set<sp<IWifiEventCallback>> callbacks_;
+  std::vector<sp<IWifiEventCallback>> callbacks_;
   sp<WifiChip> chip_;
 
   DISALLOW_COPY_AND_ASSIGN(Wifi);
diff --git a/wifi/1.0/default/wifi_ap_iface.cpp b/wifi/1.0/default/wifi_ap_iface.cpp
new file mode 100644
index 0000000..aded04d
--- /dev/null
+++ b/wifi/1.0/default/wifi_ap_iface.cpp
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+#include "wifi_ap_iface.h"
+
+#include <android-base/logging.h>
+
+#include "failure_reason_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+WifiApIface::WifiApIface(const std::string& ifname,
+                         const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
+
+void WifiApIface::invalidate() {
+  legacy_hal_.reset();
+  is_valid_ = false;
+}
+
+Return<void> WifiApIface::getName(getName_cb cb) {
+  hidl_string hidl_ifname;
+  hidl_ifname.setToExternal(ifname_.c_str(), ifname_.size());
+  cb(hidl_ifname);
+  return Void();
+}
+
+Return<IfaceType> WifiApIface::getType() {
+  return IfaceType::AP;
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.0/default/wifi_ap_iface.h b/wifi/1.0/default/wifi_ap_iface.h
new file mode 100644
index 0000000..b95a3d8
--- /dev/null
+++ b/wifi/1.0/default/wifi_ap_iface.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#ifndef WIFI_AP_IFACE_H_
+#define WIFI_AP_IFACE_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiApIface.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control a AP Iface instance.
+ */
+class WifiApIface : public IWifiApIface {
+ public:
+  WifiApIface(const std::string& ifname,
+              const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getName(getName_cb cb) override;
+  Return<IfaceType> getType() override;
+
+ private:
+  std::string ifname_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiApIface);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_AP_IFACE_H_
diff --git a/wifi/1.0/default/wifi_chip.cpp b/wifi/1.0/default/wifi_chip.cpp
index df321e2..4dd020b 100644
--- a/wifi/1.0/default/wifi_chip.cpp
+++ b/wifi/1.0/default/wifi_chip.cpp
@@ -20,31 +20,64 @@
 
 #include "failure_reason_util.h"
 
+namespace {
+using android::sp;
+using android::hardware::hidl_vec;
+using android::hardware::hidl_string;
+
+hidl_vec<hidl_string> createHidlVecOfIfaceNames(const std::string& ifname) {
+  std::vector<hidl_string> ifnames;
+  if (!ifname.empty()) {
+    hidl_string hidl_ifname;
+    hidl_ifname = ifname.c_str();
+    ifnames.emplace_back(hidl_ifname);
+  }
+  hidl_vec<hidl_string> hidl_ifnames;
+  hidl_ifnames.setToExternal(ifnames.data(), ifnames.size());
+  return hidl_ifnames;
+}
+
+template <typename Iface>
+void invalidateAndClear(sp<Iface>& iface) {
+  if (iface.get()) {
+    iface->invalidate();
+    iface.clear();
+  }
+}
+}  // namepsace
+
 namespace android {
 namespace hardware {
 namespace wifi {
 namespace V1_0 {
 namespace implementation {
 
-WifiChip::WifiChip(std::weak_ptr<WifiLegacyHal> legacy_hal)
-    : legacy_hal_(legacy_hal) {}
+WifiChip::WifiChip(ChipId chip_id,
+                   const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : chip_id_(chip_id), legacy_hal_(legacy_hal), is_valid_(true) {}
 
 void WifiChip::invalidate() {
+  invalidateAndRemoveAllIfaces();
   legacy_hal_.reset();
   callbacks_.clear();
+  is_valid_ = false;
+}
+
+Return<ChipId> WifiChip::getId() {
+  return chip_id_;
 }
 
 Return<void> WifiChip::registerEventCallback(
     const sp<IWifiChipEventCallback>& callback) {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return Void();
   // TODO(b/31632518): remove the callback when the client is destroyed
-  callbacks_.insert(callback);
+  callbacks_.emplace_back(callback);
   return Void();
 }
 
 Return<void> WifiChip::getAvailableModes(getAvailableModes_cb cb) {
-  if (!legacy_hal_.lock()) {
+  if (!is_valid_) {
     cb(hidl_vec<ChipMode>());
     return Void();
   } else {
@@ -54,38 +87,50 @@
 }
 
 Return<void> WifiChip::configureChip(uint32_t /*mode_id*/) {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return Void();
+
+  invalidateAndRemoveAllIfaces();
   // TODO add implementation
   return Void();
 }
 
 Return<uint32_t> WifiChip::getMode() {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return 0;
   // TODO add implementation
   return 0;
 }
 
 Return<void> WifiChip::requestChipDebugInfo() {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return Void();
 
   IWifiChipEventCallback::ChipDebugInfo result;
 
   std::pair<wifi_error, std::string> ret =
-      legacy_hal_.lock()->getWlanDriverVersion();
+      legacy_hal_.lock()->getDriverVersion();
   if (ret.first != WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to get driver version: "
                << LegacyErrorToString(ret.first);
+    FailureReason reason = CreateFailureReasonLegacyError(
+        ret.first, " failed to get driver version");
+    for (const auto& callback : callbacks_) {
+      callback->onChipDebugInfoFailure(reason);
+    }
     return Void();
   }
   result.driverDescription = ret.second.c_str();
 
-  ret = legacy_hal_.lock()->getWlanFirmwareVersion();
+  ret = legacy_hal_.lock()->getFirmwareVersion();
   if (ret.first != WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to get firmware version: "
                << LegacyErrorToString(ret.first);
+    FailureReason reason = CreateFailureReasonLegacyError(
+        ret.first, " failed to get firmware version");
+    for (const auto& callback : callbacks_) {
+      callback->onChipDebugInfoFailure(reason);
+    }
     return Void();
   }
   result.firmwareDescription = ret.second.c_str();
@@ -97,14 +142,18 @@
 }
 
 Return<void> WifiChip::requestDriverDebugDump() {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return Void();
 
   std::pair<wifi_error, std::vector<char>> ret =
-      legacy_hal_.lock()->requestWlanDriverMemoryDump();
+      legacy_hal_.lock()->requestDriverMemoryDump();
   if (ret.first != WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to get driver debug dump: "
                << LegacyErrorToString(ret.first);
+    FailureReason reason = CreateFailureReasonLegacyError(ret.first, "");
+    for (const auto& callback : callbacks_) {
+      callback->onDriverDebugDumpFailure(reason);
+    }
     return Void();
   }
 
@@ -119,14 +168,18 @@
 }
 
 Return<void> WifiChip::requestFirmwareDebugDump() {
-  if (!legacy_hal_.lock())
+  if (!is_valid_)
     return Void();
 
   std::pair<wifi_error, std::vector<char>> ret =
-      legacy_hal_.lock()->requestWlanFirmwareMemoryDump();
+      legacy_hal_.lock()->requestFirmwareMemoryDump();
   if (ret.first != WIFI_SUCCESS) {
     LOG(ERROR) << "Failed to get firmware debug dump: "
                << LegacyErrorToString(ret.first);
+    FailureReason reason = CreateFailureReasonLegacyError(ret.first, "");
+    for (const auto& callback : callbacks_) {
+      callback->onFirmwareDebugDumpFailure(reason);
+    }
     return Void();
   }
 
@@ -140,6 +193,203 @@
   return Void();
 }
 
+Return<void> WifiChip::createApIface(createApIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  // TODO(b/31997422): Disallow this based on the chip combination.
+  std::string ifname = legacy_hal_.lock()->getApIfaceName();
+  ap_iface_ = new WifiApIface(ifname, legacy_hal_);
+  cb(ap_iface_);
+  return Void();
+}
+
+Return<void> WifiChip::getApIfaceNames(getApIfaceNames_cb cb) {
+  if (!is_valid_) {
+    cb(hidl_vec<hidl_string>());
+    return Void();
+  }
+
+  std::string ifname;
+  if (ap_iface_.get()) {
+    ifname = legacy_hal_.lock()->getApIfaceName().c_str();
+  }
+  cb(createHidlVecOfIfaceNames(ifname));
+  return Void();
+}
+
+Return<void> WifiChip::getApIface(const hidl_string& ifname, getApIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  if (ap_iface_.get() &&
+      (ifname.c_str() == legacy_hal_.lock()->getApIfaceName())) {
+    cb(ap_iface_);
+  } else {
+    cb(nullptr);
+  }
+  return Void();
+}
+
+Return<void> WifiChip::createNanIface(createNanIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  // TODO(b/31997422): Disallow this based on the chip combination.
+  std::string ifname = legacy_hal_.lock()->getNanIfaceName();
+  nan_iface_ = new WifiNanIface(ifname, legacy_hal_);
+  cb(nan_iface_);
+  return Void();
+}
+
+Return<void> WifiChip::getNanIfaceNames(getNanIfaceNames_cb cb) {
+  if (!is_valid_) {
+    cb(hidl_vec<hidl_string>());
+    return Void();
+  }
+
+  std::string ifname;
+  if (nan_iface_.get()) {
+    ifname = legacy_hal_.lock()->getNanIfaceName().c_str();
+  }
+  cb(createHidlVecOfIfaceNames(ifname));
+  return Void();
+}
+
+Return<void> WifiChip::getNanIface(const hidl_string& ifname,
+                                   getNanIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  if (nan_iface_.get() &&
+      (ifname.c_str() == legacy_hal_.lock()->getNanIfaceName())) {
+    cb(nan_iface_);
+  } else {
+    cb(nullptr);
+  }
+  return Void();
+}
+
+Return<void> WifiChip::createP2pIface(createP2pIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  // TODO(b/31997422): Disallow this based on the chip combination.
+  std::string ifname = legacy_hal_.lock()->getP2pIfaceName();
+  p2p_iface_ = new WifiP2pIface(ifname, legacy_hal_);
+  cb(p2p_iface_);
+  return Void();
+}
+
+Return<void> WifiChip::getP2pIfaceNames(getP2pIfaceNames_cb cb) {
+  if (!is_valid_) {
+    cb(hidl_vec<hidl_string>());
+    return Void();
+  }
+
+  std::string ifname;
+  if (p2p_iface_.get()) {
+    ifname = legacy_hal_.lock()->getP2pIfaceName().c_str();
+  }
+  cb(createHidlVecOfIfaceNames(ifname));
+  return Void();
+}
+
+Return<void> WifiChip::getP2pIface(const hidl_string& ifname,
+                                   getP2pIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  if (p2p_iface_.get() &&
+      (ifname.c_str() == legacy_hal_.lock()->getP2pIfaceName())) {
+    cb(p2p_iface_);
+  } else {
+    cb(nullptr);
+  }
+  return Void();
+}
+
+Return<void> WifiChip::createStaIface(createStaIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  // TODO(b/31997422): Disallow this based on the chip combination.
+  std::string ifname = legacy_hal_.lock()->getStaIfaceName();
+  sta_iface_ = new WifiStaIface(ifname, legacy_hal_);
+  cb(sta_iface_);
+  return Void();
+}
+
+Return<void> WifiChip::getStaIfaceNames(getStaIfaceNames_cb cb) {
+  if (!is_valid_) {
+    cb(hidl_vec<hidl_string>());
+    return Void();
+  }
+
+  std::string ifname;
+  if (sta_iface_.get()) {
+    ifname = legacy_hal_.lock()->getStaIfaceName().c_str();
+  }
+  cb(createHidlVecOfIfaceNames(ifname));
+  return Void();
+}
+
+Return<void> WifiChip::getStaIface(const hidl_string& ifname,
+                                   getStaIface_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  if (sta_iface_.get() &&
+      (ifname.c_str() == legacy_hal_.lock()->getStaIfaceName())) {
+    cb(sta_iface_);
+  } else {
+    cb(nullptr);
+  }
+  return Void();
+}
+
+Return<void> WifiChip::createRttController(const sp<IWifiIface>& bound_iface,
+                                           createRttController_cb cb) {
+  if (!is_valid_) {
+    cb(nullptr);
+    return Void();
+  }
+
+  sp<WifiRttController> rtt = new WifiRttController(bound_iface, legacy_hal_);
+  rtt_controllers_.emplace_back(rtt);
+  cb(rtt);
+  return Void();
+}
+
+void WifiChip::invalidateAndRemoveAllIfaces() {
+  invalidateAndClear(ap_iface_);
+  invalidateAndClear(nan_iface_);
+  invalidateAndClear(p2p_iface_);
+  invalidateAndClear(sta_iface_);
+  // Since all the ifaces are invalid now, all RTT controller objects
+  // using those ifaces also need to be invalidated.
+  for (const auto& rtt : rtt_controllers_) {
+    rtt->invalidate();
+  }
+  rtt_controllers_.clear();
+}
+
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace wifi
diff --git a/wifi/1.0/default/wifi_chip.h b/wifi/1.0/default/wifi_chip.h
index 95fabe4..94ffa63 100644
--- a/wifi/1.0/default/wifi_chip.h
+++ b/wifi/1.0/default/wifi_chip.h
@@ -17,12 +17,17 @@
 #ifndef WIFI_CHIP_H_
 #define WIFI_CHIP_H_
 
-#include <set>
+#include <map>
 
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.0/IWifiChip.h>
 
+#include "wifi_ap_iface.h"
 #include "wifi_legacy_hal.h"
+#include "wifi_nan_iface.h"
+#include "wifi_p2p_iface.h"
+#include "wifi_rtt_controller.h"
+#include "wifi_sta_iface.h"
 
 namespace android {
 namespace hardware {
@@ -37,11 +42,24 @@
  */
 class WifiChip : public IWifiChip {
  public:
-  WifiChip(std::weak_ptr<WifiLegacyHal> legacy_hal);
-  // Invalidate this instance once the HAL is stopped.
+  WifiChip(ChipId chip_id, const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // HIDL does not provide a built-in mechanism to let the server invalidate
+  // a HIDL interface object after creation. If any client process holds onto
+  // a reference to the object in their context, any method calls on that
+  // reference will continue to be directed to the server.
+  //
+  // However Wifi HAL needs to control the lifetime of these objects. So, add
+  // a public |invalidate| method to |WifiChip| and it's child objects. This
+  // will be used to mark an object invalid when either:
+  // a) Wifi HAL is stopped, or
+  // b) Wifi Chip is reconfigured.
+  //
+  // All HIDL method implementations should check if the object is still marked
+  // valid before processing them.
   void invalidate();
 
   // HIDL methods exposed.
+  Return<ChipId> getId() override;
   Return<void> registerEventCallback(
       const sp<IWifiChipEventCallback>& callback) override;
   Return<void> getAvailableModes(getAvailableModes_cb cb) override;
@@ -50,10 +68,36 @@
   Return<void> requestChipDebugInfo() override;
   Return<void> requestDriverDebugDump() override;
   Return<void> requestFirmwareDebugDump() override;
+  Return<void> createApIface(createApIface_cb cb) override;
+  Return<void> getApIfaceNames(getApIfaceNames_cb cb) override;
+  Return<void> getApIface(const hidl_string& ifname, getApIface_cb cb) override;
+  Return<void> createNanIface(createNanIface_cb cb) override;
+  Return<void> getNanIfaceNames(getNanIfaceNames_cb cb) override;
+  Return<void> getNanIface(const hidl_string& ifname,
+                           getNanIface_cb cb) override;
+  Return<void> createP2pIface(createP2pIface_cb cb) override;
+  Return<void> getP2pIfaceNames(getP2pIfaceNames_cb cb) override;
+  Return<void> getP2pIface(const hidl_string& ifname,
+                           getP2pIface_cb cb) override;
+  Return<void> createStaIface(createStaIface_cb cb) override;
+  Return<void> getStaIfaceNames(getStaIfaceNames_cb cb) override;
+  Return<void> getStaIface(const hidl_string& ifname,
+                           getStaIface_cb cb) override;
+  Return<void> createRttController(const sp<IWifiIface>& bound_iface,
+                                   createRttController_cb cb) override;
 
  private:
+  void invalidateAndRemoveAllIfaces();
+
+  ChipId chip_id_;
   std::weak_ptr<WifiLegacyHal> legacy_hal_;
-  std::set<sp<IWifiChipEventCallback>> callbacks_;
+  std::vector<sp<IWifiChipEventCallback>> callbacks_;
+  sp<WifiApIface> ap_iface_;
+  sp<WifiNanIface> nan_iface_;
+  sp<WifiP2pIface> p2p_iface_;
+  sp<WifiStaIface> sta_iface_;
+  std::vector<sp<WifiRttController>> rtt_controllers_;
+  bool is_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiChip);
 };
diff --git a/wifi/1.0/default/wifi_legacy_hal.cpp b/wifi/1.0/default/wifi_legacy_hal.cpp
index a6df996..553a058 100644
--- a/wifi/1.0/default/wifi_legacy_hal.cpp
+++ b/wifi/1.0/default/wifi_legacy_hal.cpp
@@ -25,12 +25,6 @@
 #include <wifi_system/interface_tool.h>
 
 namespace {
-std::string getWlanInterfaceName() {
-  char buffer[PROPERTY_VALUE_MAX];
-  property_get("wifi.interface", buffer, "wlan0");
-  return buffer;
-}
-
 // Legacy HAL functions accept "C" style function pointers, so use global
 // functions to pass to the legacy HAL function and store the corresponding
 // std::function methods to be invoked.
@@ -120,7 +114,31 @@
   return WIFI_SUCCESS;
 }
 
-std::pair<wifi_error, std::string> WifiLegacyHal::getWlanDriverVersion() {
+std::string WifiLegacyHal::getApIfaceName() {
+  // Fake name. This interface does not exist in legacy HAL
+  // API's.
+  return "ap0";
+}
+
+std::string WifiLegacyHal::getNanIfaceName() {
+  // Fake name. This interface does not exist in legacy HAL
+  // API's.
+  return "nan0";
+}
+
+std::string WifiLegacyHal::getP2pIfaceName() {
+  std::array<char, PROPERTY_VALUE_MAX> buffer;
+  property_get("wifi.direct.interface", buffer.data(), "p2p0");
+  return buffer.data();
+}
+
+std::string WifiLegacyHal::getStaIfaceName() {
+  std::array<char, PROPERTY_VALUE_MAX> buffer;
+  property_get("wifi.interface", buffer.data(), "wlan0");
+  return buffer.data();
+}
+
+std::pair<wifi_error, std::string> WifiLegacyHal::getDriverVersion() {
   std::array<char, kMaxVersionStringLength> buffer;
   buffer.fill(0);
   wifi_error status = global_func_table_.wifi_get_driver_version(
@@ -128,7 +146,7 @@
   return std::make_pair(status, buffer.data());
 }
 
-std::pair<wifi_error, std::string> WifiLegacyHal::getWlanFirmwareVersion() {
+std::pair<wifi_error, std::string> WifiLegacyHal::getFirmwareVersion() {
   std::array<char, kMaxVersionStringLength> buffer;
   buffer.fill(0);
   wifi_error status = global_func_table_.wifi_get_firmware_version(
@@ -137,7 +155,7 @@
 }
 
 std::pair<wifi_error, std::vector<char>>
-WifiLegacyHal::requestWlanDriverMemoryDump() {
+WifiLegacyHal::requestDriverMemoryDump() {
   std::vector<char> driver_dump;
   on_driver_memory_dump_internal_callback = [&driver_dump](char* buffer,
                                                            int buffer_size) {
@@ -150,7 +168,7 @@
 }
 
 std::pair<wifi_error, std::vector<char>>
-WifiLegacyHal::requestWlanFirmwareMemoryDump() {
+WifiLegacyHal::requestFirmwareMemoryDump() {
   std::vector<char> firmware_dump;
   on_firmware_memory_dump_internal_callback = [&firmware_dump](
       char* buffer, int buffer_size) {
@@ -163,8 +181,7 @@
 }
 
 wifi_error WifiLegacyHal::retrieveWlanInterfaceHandle() {
-  const std::string& ifname_to_find = getWlanInterfaceName();
-
+  const std::string& ifname_to_find = getStaIfaceName();
   wifi_interface_handle* iface_handles = nullptr;
   int num_iface_handles = 0;
   wifi_error status = global_func_table_.wifi_get_ifaces(
diff --git a/wifi/1.0/default/wifi_legacy_hal.h b/wifi/1.0/default/wifi_legacy_hal.h
index f691b9b..3585975 100644
--- a/wifi/1.0/default/wifi_legacy_hal.h
+++ b/wifi/1.0/default/wifi_legacy_hal.h
@@ -35,15 +35,21 @@
 class WifiLegacyHal {
  public:
   WifiLegacyHal();
+  // Names to use for the different types of iface.
+  std::string getApIfaceName();
+  std::string getNanIfaceName();
+  std::string getP2pIfaceName();
+  std::string getStaIfaceName();
+
   // Initialize the legacy HAL and start the event looper thread.
   wifi_error start();
   // Deinitialize the legacy HAL and stop the event looper thread.
   wifi_error stop(const std::function<void()>& on_complete_callback);
   // Wrappers for all the functions in the legacy HAL function table.
-  std::pair<wifi_error, std::string> getWlanDriverVersion();
-  std::pair<wifi_error, std::string> getWlanFirmwareVersion();
-  std::pair<wifi_error, std::vector<char>> requestWlanDriverMemoryDump();
-  std::pair<wifi_error, std::vector<char>> requestWlanFirmwareMemoryDump();
+  std::pair<wifi_error, std::string> getDriverVersion();
+  std::pair<wifi_error, std::string> getFirmwareVersion();
+  std::pair<wifi_error, std::vector<char>> requestDriverMemoryDump();
+  std::pair<wifi_error, std::vector<char>> requestFirmwareMemoryDump();
 
  private:
   static const uint32_t kMaxVersionStringLength;
diff --git a/wifi/1.0/default/wifi_nan_iface.cpp b/wifi/1.0/default/wifi_nan_iface.cpp
new file mode 100644
index 0000000..3c7ae4b
--- /dev/null
+++ b/wifi/1.0/default/wifi_nan_iface.cpp
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+#include "wifi_nan_iface.h"
+
+#include <android-base/logging.h>
+
+#include "failure_reason_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+WifiNanIface::WifiNanIface(const std::string& ifname,
+                           const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
+
+void WifiNanIface::invalidate() {
+  legacy_hal_.reset();
+  is_valid_ = false;
+}
+
+Return<void> WifiNanIface::getName(getName_cb cb) {
+  hidl_string hidl_ifname;
+  hidl_ifname.setToExternal(ifname_.c_str(), ifname_.size());
+  cb(hidl_ifname);
+  return Void();
+}
+
+Return<IfaceType> WifiNanIface::getType() {
+  return IfaceType::NAN;
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.0/default/wifi_nan_iface.h b/wifi/1.0/default/wifi_nan_iface.h
new file mode 100644
index 0000000..93e2e77
--- /dev/null
+++ b/wifi/1.0/default/wifi_nan_iface.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#ifndef WIFI_NAN_IFACE_H_
+#define WIFI_NAN_IFACE_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiNanIface.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control a NAN Iface instance.
+ */
+class WifiNanIface : public IWifiNanIface {
+ public:
+  WifiNanIface(const std::string& ifname,
+               const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getName(getName_cb cb) override;
+  Return<IfaceType> getType() override;
+
+ private:
+  std::string ifname_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiNanIface);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_NAN_IFACE_H_
diff --git a/wifi/1.0/default/wifi_p2p_iface.cpp b/wifi/1.0/default/wifi_p2p_iface.cpp
new file mode 100644
index 0000000..349a158
--- /dev/null
+++ b/wifi/1.0/default/wifi_p2p_iface.cpp
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+#include "wifi_p2p_iface.h"
+
+#include <android-base/logging.h>
+
+#include "failure_reason_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+WifiP2pIface::WifiP2pIface(const std::string& ifname,
+                           const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
+
+void WifiP2pIface::invalidate() {
+  legacy_hal_.reset();
+  is_valid_ = false;
+}
+
+Return<void> WifiP2pIface::getName(getName_cb cb) {
+  hidl_string hidl_ifname;
+  hidl_ifname.setToExternal(ifname_.c_str(), ifname_.size());
+  cb(hidl_ifname);
+  return Void();
+}
+
+Return<IfaceType> WifiP2pIface::getType() {
+  return IfaceType::P2P;
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.0/default/wifi_p2p_iface.h b/wifi/1.0/default/wifi_p2p_iface.h
new file mode 100644
index 0000000..d70415d
--- /dev/null
+++ b/wifi/1.0/default/wifi_p2p_iface.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#ifndef WIFI_P2P_IFACE_H_
+#define WIFI_P2P_IFACE_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiP2pIface.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control a P2P Iface instance.
+ */
+class WifiP2pIface : public IWifiP2pIface {
+ public:
+  WifiP2pIface(const std::string& ifname,
+               const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getName(getName_cb cb) override;
+  Return<IfaceType> getType() override;
+
+ private:
+  std::string ifname_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiP2pIface);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_P2P_IFACE_H_
diff --git a/wifi/1.0/default/wifi_rtt_controller.cpp b/wifi/1.0/default/wifi_rtt_controller.cpp
new file mode 100644
index 0000000..e2df1a8
--- /dev/null
+++ b/wifi/1.0/default/wifi_rtt_controller.cpp
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#include "wifi_rtt_controller.h"
+
+#include <android-base/logging.h>
+
+#include "failure_reason_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+WifiRttController::WifiRttController(
+    const sp<IWifiIface>& bound_iface,
+    const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : bound_iface_(bound_iface), legacy_hal_(legacy_hal), is_valid_(true) {}
+
+void WifiRttController::invalidate() {
+  legacy_hal_.reset();
+  is_valid_ = false;
+}
+
+Return<void> WifiRttController::getBoundIface(getBoundIface_cb cb) {
+  cb(bound_iface_);
+  return Void();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.0/default/wifi_rtt_controller.h b/wifi/1.0/default/wifi_rtt_controller.h
new file mode 100644
index 0000000..8d78b93
--- /dev/null
+++ b/wifi/1.0/default/wifi_rtt_controller.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#ifndef WIFI_RTT_CONTROLLER_H_
+#define WIFI_RTT_CONTROLLER_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiIface.h>
+#include <android/hardware/wifi/1.0/IWifiRttController.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control all RTT operations.
+ */
+class WifiRttController : public IWifiRttController {
+ public:
+  WifiRttController(const sp<IWifiIface>& bound_iface,
+                    const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getBoundIface(getBoundIface_cb cb) override;
+
+ private:
+  sp<IWifiIface> bound_iface_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiRttController);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_RTT_CONTROLLER_H_
diff --git a/wifi/1.0/default/wifi_sta_iface.cpp b/wifi/1.0/default/wifi_sta_iface.cpp
new file mode 100644
index 0000000..225cec4
--- /dev/null
+++ b/wifi/1.0/default/wifi_sta_iface.cpp
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+#include "wifi_sta_iface.h"
+
+#include <android-base/logging.h>
+
+#include "failure_reason_util.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+WifiStaIface::WifiStaIface(const std::string& ifname,
+                           const std::weak_ptr<WifiLegacyHal> legacy_hal)
+    : ifname_(ifname), legacy_hal_(legacy_hal), is_valid_(true) {}
+
+void WifiStaIface::invalidate() {
+  legacy_hal_.reset();
+  is_valid_ = false;
+}
+
+Return<void> WifiStaIface::getName(getName_cb cb) {
+  hidl_string hidl_ifname;
+  hidl_ifname.setToExternal(ifname_.c_str(), ifname_.size());
+  cb(hidl_ifname);
+  return Void();
+}
+
+Return<IfaceType> WifiStaIface::getType() {
+  return IfaceType::STA;
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
diff --git a/wifi/1.0/default/wifi_sta_iface.h b/wifi/1.0/default/wifi_sta_iface.h
new file mode 100644
index 0000000..fc5efec
--- /dev/null
+++ b/wifi/1.0/default/wifi_sta_iface.h
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+
+#ifndef WIFI_STA_IFACE_H_
+#define WIFI_STA_IFACE_H_
+
+#include <android-base/macros.h>
+#include <android/hardware/wifi/1.0/IWifiStaIface.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_0 {
+namespace implementation {
+
+/**
+ * HIDL interface object used to control a STA Iface instance.
+ */
+class WifiStaIface : public IWifiStaIface {
+ public:
+  WifiStaIface(const std::string& ifname,
+               const std::weak_ptr<WifiLegacyHal> legacy_hal);
+  // Refer to |WifiChip::invalidate()|.
+  void invalidate();
+
+  // HIDL methods exposed.
+  Return<void> getName(getName_cb cb) override;
+  Return<IfaceType> getType() override;
+
+ private:
+  std::string ifname_;
+  std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  bool is_valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(WifiStaIface);
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // WIFI_STA_IFACE_H_
diff --git a/wifi/1.0/types.hal b/wifi/1.0/types.hal
index 49849ea..d9abaef 100644
--- a/wifi/1.0/types.hal
+++ b/wifi/1.0/types.hal
@@ -16,6 +16,9 @@
 
 package android.hardware.wifi@1.0;
 
+/**
+ * List of failure reasons returned.
+ */
 enum CommandFailureReason : uint32_t {
   UNKNOWN,
   DUPLICATE_COMMAND_ID,
@@ -41,6 +44,25 @@
 };
 
 /**
+ * List of Iface types supported.
+ */
+enum IfaceType : uint32_t {
+  STA,
+  AP,
+  P2P,
+  /**
+   * NAN control interface. Datapath support may be queried and created
+   * through this interface.
+   */
+  NAN,
+};
+
+/**
+ * An identifier assigned to every chip on the device.
+ */
+typedef uint32_t ChipId;
+
+/**
  * An identifier for a mode that the chip can be put in.
  */
 typedef uint32_t ChipModeId;