zenfone6: use custom policy hal

Change-Id: Ifbf88f81240069b20f39e32a6932ef4957736ae3
diff --git a/policy_hal/AudioPolicyManager.h b/policy_hal/AudioPolicyManager.h
new file mode 100644
index 0000000..9e58dcf
--- /dev/null
+++ b/policy_hal/AudioPolicyManager.h
@@ -0,0 +1,203 @@
+/*
+ * Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
+ * Not a contribution.
+ *
+ * Copyright (C) 2009 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 <audiopolicy/managerdefault/AudioPolicyManager.h>
+#include <audio_policy_conf.h>
+#include <Volume.h>
+
+
+namespace android {
+#ifndef AUDIO_EXTN_FORMATS_ENABLED
+#define AUDIO_FORMAT_WMA 0x12000000UL
+#define AUDIO_FORMAT_WMA_PRO 0x13000000UL
+#define AUDIO_FORMAT_FLAC 0x1B000000UL
+#define AUDIO_FORMAT_ALAC 0x1C000000UL
+#define AUDIO_FORMAT_APE 0x1D000000UL
+#endif
+
+#define WMA_STD_NUM_FREQ     7
+#define WMA_STD_NUM_CHANNELS 2
+static uint32_t wmaStdSampleRateTbl[WMA_STD_NUM_FREQ] =
+{
+    8000, 11025, 16000, 22050, 32000, 44100, 48000
+};
+
+static uint32_t wmaStdMinAvgByteRateTbl[WMA_STD_NUM_FREQ][WMA_STD_NUM_CHANNELS] =
+{
+    {128, 12000},
+    {8016, 8016},
+    {10000, 16000},
+    {16016, 20008},
+    {20000, 24000},
+    {20008, 31960},
+    {63000, 63000}
+};
+
+static uint32_t wmaStdMaxAvgByteRateTbl[WMA_STD_NUM_FREQ][WMA_STD_NUM_CHANNELS] =
+{
+    {8000, 12000},
+    {10168, 10168},
+    {16000, 20000},
+    {20008, 32048},
+    {20000, 48000},
+    {48024, 320032},
+    {256008, 256008}
+};
+
+#define MAX_BITRATE_WMA_PRO      1536000
+#define MAX_BITRATE_WMA_LOSSLESS 1152000
+
+#ifndef AAC_ADTS_OFFLOAD_ENABLED
+#define AUDIO_FORMAT_AAC_ADTS 0x1E000000UL
+#endif
+
+#ifndef AUDIO_EXTN_AFE_PROXY_ENABLED
+#define AUDIO_DEVICE_OUT_PROXY 0x1000000
+#endif
+
+// ----------------------------------------------------------------------------
+
+class AudioPolicyManagerCustom: public AudioPolicyManager
+{
+
+public:
+        AudioPolicyManagerCustom(AudioPolicyClientInterface *clientInterface);
+
+        virtual ~AudioPolicyManagerCustom() {}
+
+        status_t setDeviceConnectionStateInt(audio_devices_t device,
+                                          audio_policy_dev_state_t state,
+                                          const char *device_address,
+                                          const char *device_name);
+        virtual void setPhoneState(audio_mode_t state);
+        virtual void setForceUse(audio_policy_force_use_t usage,
+                                 audio_policy_forced_cfg_t config);
+
+        virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo);
+
+        virtual status_t getInputForAttr(const audio_attributes_t *attr,
+                                         audio_io_handle_t *input,
+                                         audio_session_t session,
+                                         uid_t uid,
+                                         const audio_config_base_t *config,
+                                         audio_input_flags_t flags,
+                                         audio_port_handle_t *selectedDeviceId,
+                                         input_type_t *inputType,
+                                         audio_port_handle_t *portId);
+        /* count active capture sessions (that are not sound trigger) using one of
+           the specified devices. Ignore devices if AUDIO_DEVICE_IN_DEFAULT is passed */
+        uint32_t activeNonSoundTriggerInputsCountOnDevices(
+            audio_devices_t devices = AUDIO_DEVICE_IN_DEFAULT) const;
+        // indicates to the audio policy manager that the input starts being used.
+        virtual status_t startInput(audio_io_handle_t input,
+                                    audio_session_t session,
+                                    bool silenced,
+                                    concurrency_type__mask_t *concurrency);
+        // indicates to the audio policy manager that the input stops being used.
+        virtual status_t stopInput(audio_io_handle_t input,
+                                   audio_session_t session);
+
+protected:
+
+         status_t checkAndSetVolume(audio_stream_type_t stream,
+                                                   int index,
+                                                   const sp<AudioOutputDescriptor>& outputDesc,
+                                                   audio_devices_t device,
+                                                   int delayMs = 0, bool force = false);
+
+        // avoid invalidation for active music stream on  previous outputs
+        // which is supported on the new device.
+        bool isInvalidationOfMusicStreamNeeded(routing_strategy strategy);
+
+        // Must be called before updateDevicesAndOutputs()
+        void checkOutputForStrategy(routing_strategy strategy);
+
+        // returns true if given output is direct output
+        bool isDirectOutput(audio_io_handle_t output);
+
+        // if argument "device" is different from AUDIO_DEVICE_NONE,  startSource() will force
+        // the re-evaluation of the output device.
+        status_t startSource(const sp<AudioOutputDescriptor>& outputDesc,
+                             audio_stream_type_t stream,
+                             audio_devices_t device,
+                             const char *address,
+                             uint32_t *delayMs);
+         status_t stopSource(const sp<AudioOutputDescriptor>& outputDesc,
+                            audio_stream_type_t stream,
+                            bool forceDeviceUpdate);
+        // event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
+        // returns 0 if no mute/unmute event happened, the largest latency of the device where
+        //   the mute/unmute happened
+        uint32_t handleEventForBeacon(int){return 0;}
+        uint32_t setBeaconMute(bool){return 0;}
+#ifdef VOICE_CONCURRENCY
+        static audio_output_flags_t getFallBackPath();
+        int mFallBackflag;
+#endif /*VOICE_CONCURRENCY*/
+        void moveGlobalEffect();
+
+        // handle special cases for sonification strategy while in call: mute streams or replace by
+        // a special tone in the device used for communication
+        void handleIncallSonification(audio_stream_type_t stream, bool starting, bool stateChange, audio_io_handle_t output);
+        //parameter indicates of HDMI speakers disabled
+        bool mHdmiAudioDisabled;
+        //parameter indicates if HDMI plug in/out detected
+        bool mHdmiAudioEvent;
+private:
+        // updates device caching and output for streams that can influence the
+        //    routing of notifications
+        void handleNotificationRoutingForStream(audio_stream_type_t stream);
+        // internal method to return the output handle for the given device and format
+        audio_io_handle_t getOutputForDevice(
+                audio_devices_t device,
+                audio_session_t session,
+                audio_stream_type_t stream,
+                const audio_config_t *config,
+                audio_output_flags_t *flags);
+
+        // internal method to fill offload info in case of Direct PCM
+        status_t getOutputForAttr(const audio_attributes_t *attr,
+                audio_io_handle_t *output,
+                audio_session_t session,
+                audio_stream_type_t *stream,
+                uid_t uid,
+                const audio_config_t *config,
+                audio_output_flags_t *flags,
+                audio_port_handle_t *selectedDeviceId,
+                audio_port_handle_t *portId);
+        // internal method to query hal for whether display-port is connected
+        // and can be used for voip/voice call
+        void chkDpConnAndAllowedForVoice();
+        // Used for voip + voice concurrency usecase
+        int mPrevPhoneState;
+#ifdef VOICE_CONCURRENCY
+        int mvoice_call_state;
+#endif
+#ifdef RECORD_PLAY_CONCURRENCY
+        // Used for record + playback concurrency
+        bool mIsInputRequestOnProgress;
+#endif
+
+#ifdef FM_POWER_OPT
+        float mPrevFMVolumeDb;
+        bool mFMIsActive;
+#endif
+};
+};