hal: enable dynamic audio HAL feature extensions

Move audio and voice extension feature to seperate
dynamic libraries. Loading these libraries will be
controlled from config store based on target. These
flags can be changed at runtime

Change-Id: I042450768243124ea80945efac0821984f96b9bf
diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
new file mode 100644
index 0000000..3897ba4
--- /dev/null
+++ b/hal/audio_extn/Android.mk
@@ -0,0 +1,399 @@
+#--------------------------------------------
+#          Build SND_MONITOR LIB
+#--------------------------------------------
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= libsndmonitor
+LOCAL_MODULE_OWNER := third_party
+LOCAL_PROPRIETARY_MODULE := true
+
+AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+
+LOCAL_SRC_FILES:= \
+        sndmonitor.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable \
+
+LOCAL_SHARED_LIBRARIES := \
+	libaudioutils \
+	libcutils \
+	liblog \
+	libtinyalsa \
+	libtinycompress \
+	libaudioroute \
+	libdl \
+	libexpat
+
+LOCAL_C_INCLUDES := \
+	external/tinyalsa/include \
+	external/tinycompress/include \
+	system/media/audio_utils/include \
+	external/expat/lib \
+	$(call include-path-for, audio-route) \
+	vendor/qcom/opensource/audio-hal/primary-hal/hal \
+	$(call include-path-for, audio-effects)
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DLKM)),true)
+  LOCAL_HEADER_LIBRARIES += audio_kernel_headers
+  LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/vendor/qcom/opensource/audio-kernel/include
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(BOARD_VENDOR_KERNEL_MODULES)
+endif
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)
+
+#--------------------------------------------
+#          Build COMPRESS_CAPTURE LIB
+#--------------------------------------------
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= libcomprcapture
+LOCAL_MODULE_OWNER := third_party
+LOCAL_PROPRIETARY_MODULE := true
+
+AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+
+ifneq ($(filter sdm845 sdm710 qcs605 msmnile $(MSMSTEPPE),$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+  MULTIPLE_HW_VARIANTS_ENABLED := true
+endif
+
+LOCAL_SRC_FILES:= \
+        compress_capture.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable \
+
+LOCAL_SHARED_LIBRARIES := \
+	libaudioutils \
+	libcutils \
+	liblog \
+	libtinyalsa \
+	libtinycompress \
+	libaudioroute \
+	libdl \
+	libexpat
+
+LOCAL_C_INCLUDES := \
+	external/tinyalsa/include \
+	external/tinycompress/include \
+	system/media/audio_utils/include \
+	external/expat/lib \
+	$(call include-path-for, audio-route) \
+	vendor/qcom/opensource/audio-hal/primary-hal/hal \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/$(AUDIO_PLATFORM) \
+	$(call include-path-for, audio-effects)
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DLKM)),true)
+  LOCAL_HEADER_LIBRARIES += audio_kernel_headers
+  LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/vendor/qcom/opensource/audio-kernel/include
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(BOARD_VENDOR_KERNEL_MODULES)
+endif
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)
+
+#-------------------------------------------
+#            Build SSREC LIB
+#-------------------------------------------
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= libssrec
+LOCAL_VENDOR_MODULE := true
+
+AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+
+ifneq ($(filter sdm845 msmnile $(MSMSTEPPE),$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+  MULTIPLE_HW_VARIANTS_ENABLED := true
+endif
+
+LOCAL_SRC_FILES:= ssr.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable
+
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils \
+    libcutils \
+    liblog \
+    libtinyalsa \
+    libtinycompress \
+    libaudioroute \
+    libdl \
+    libexpat
+
+LOCAL_C_INCLUDES := \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/$(AUDIO_PLATFORM) \
+    external/tinyalsa/include \
+    external/tinycompress/include \
+    external/expat/lib \
+    system/media/audio_utils/include \
+    $(call include-path-for, audio-route) \
+    $(call include-path-for, audio-effects) \
+    $(TARGET_OUT_HEADERS)/mm-audio/surround_sound_3mic/ \
+    $(TARGET_OUT_HEADERS)/common/inc/
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DLKM)),true)
+  LOCAL_HEADER_LIBRARIES += audio_kernel_headers
+  LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/vendor/qcom/opensource/audio-kernel/include
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(BOARD_VENDOR_KERNEL_MODULES)
+endif
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+#include $(BUILD_SHARED_LIBRARY)
+
+#--------------------------------------------
+#          Build HDMI_EDID LIB
+#--------------------------------------------
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= libhdmiedid
+LOCAL_MODULE_OWNER := third_party
+LOCAL_PROPRIETARY_MODULE := true
+
+PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
+AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+
+ifneq ($(filter sdm845 msmnile $(MSMSTEPPE) $(TRINKET),$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+endif
+
+LOCAL_SRC_FILES:= \
+        edid.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable \
+
+LOCAL_SHARED_LIBRARIES := \
+	libaudioutils \
+	libcutils \
+	liblog \
+	libtinyalsa \
+	libtinycompress \
+	libaudioroute \
+	libdl \
+	libexpat
+
+LOCAL_C_INCLUDES := \
+	external/tinyalsa/include \
+	external/tinycompress/include \
+	system/media/audio_utils/include \
+	external/expat/lib \
+	$(call include-path-for, audio-route) \
+	$(PRIMARY_HAL_PATH) \
+	$(PRIMARY_HAL_PATH)/$(AUDIO_PLATFORM) \
+	$(call include-path-for, audio-effects)
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DLKM)),true)
+  LOCAL_HEADER_LIBRARIES += audio_kernel_headers
+  LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/vendor/qcom/opensource/audio-kernel/include
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(BOARD_VENDOR_KERNEL_MODULES)
+endif
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)
+
+#--------------------------------------------
+#          Build SPKR_PROTECT LIB
+#--------------------------------------------
+include $(CLEAR_VARS)
+
+ifneq ($(filter sdm845 msmnile $(MSMSTEPPE) $(TRINKET) kona,$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+endif
+
+LOCAL_MODULE:= libspkrprot
+LOCAL_MODULE_OWNER := third_party
+LOCAL_PROPRIETARY_MODULE := true
+
+LOCAL_SRC_FILES:= \
+        spkr_protection.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable \
+
+LOCAL_CFLAGS += -DSPKR_PROT_ENABLED
+
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils \
+    libcutils \
+    liblog \
+    libtinyalsa \
+    libtinycompress \
+    libaudioroute \
+    libdl \
+    libexpat
+
+LOCAL_C_INCLUDES := \
+    external/tinyalsa/include \
+    external/tinycompress/include \
+    system/media/audio_utils/include \
+    external/expat/lib \
+    $(call include-path-for, audio-route) \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/audio_extn \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/$(AUDIO_PLATFORM) \
+    vendor/qcom/opensource/audio-kernel/include/uapi/ \
+    $(call include-path-for, audio-effects)
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)
+#====================================================================================================
+# --- enable 3rd Party Spkr-prot lib
+#====================================================================================================
+
+include $(CLEAR_VARS)
+
+ifneq ($(filter sdm845 msmnile $(MSMSTEPPE) $(TRINKET) kona,$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+endif
+
+LOCAL_MODULE:= libcirrusspkrprot
+LOCAL_MODULE_OWNER := third_party
+LOCAL_PROPRIETARY_MODULE := true
+
+LOCAL_SRC_FILES:= \
+        cirrus_playback.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable \
+
+LOCAL_CFLAGS += -DENABLE_CIRRUS_DETECTION
+LOCAL_CFLAGS += -DCIRRUS_FACTORY_CALIBRATION
+
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils \
+    libcutils \
+    liblog \
+    libtinyalsa \
+    libaudioroute \
+    libdl \
+    libexpat
+
+LOCAL_C_INCLUDES := \
+    external/tinyalsa/include \
+    external/tinycompress/include \
+    system/media/audio_utils/include \
+    external/expat/lib \
+    $(call include-path-for, audio-route) \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/audio_extn \
+    vendor/qcom/opensource/audio-hal/primary-hal/hal/$(AUDIO_PLATFORM) \
+    vendor/qcom/opensource/audio-kernel/include/uapi/ \
+    $(call include-path-for, audio-effects)
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)
+
+#-------------------------------------------
+#            Build A2DP_OFFLOAD LIB
+#-------------------------------------------
+include $(CLEAR_VARS)
+
+LOCAL_MODULE:= liba2dpoffload
+LOCAL_PROPRIETARY_MODULE := true
+
+PRIMARY_HAL_PATH := vendor/qcom/opensource/audio-hal/primary-hal/hal
+AUDIO_PLATFORM := $(TARGET_BOARD_PLATFORM)
+
+ifneq ($(filter sdm845 msmnile $(MSMSTEPPE),$(TARGET_BOARD_PLATFORM)),)
+  # B-family platform uses msm8974 code base
+  AUDIO_PLATFORM = msm8974
+  MULTIPLE_HW_VARIANTS_ENABLED := true
+endif
+
+LOCAL_SRC_FILES:= \
+        a2dp.c
+
+LOCAL_CFLAGS += \
+    -Wall \
+    -Werror \
+    -Wno-unused-function \
+    -Wno-unused-variable
+
+LOCAL_SHARED_LIBRARIES := \
+    libaudioutils \
+    libcutils \
+    liblog \
+    libtinyalsa \
+    libtinycompress \
+    libaudioroute \
+    libdl \
+    libexpat
+
+LOCAL_C_INCLUDES := \
+    $(PRIMARY_HAL_PATH) \
+    $(PRIMARY_HAL_PATH)/$(AUDIO_PLATFORM) \
+    external/tinyalsa/include \
+    external/tinycompress/include \
+    external/expat/lib \
+    system/media/audio_utils/include \
+    $(call include-path-for, audio-route) \
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include
+LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
+
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DLKM)),true)
+  LOCAL_HEADER_LIBRARIES += audio_kernel_headers
+  LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/vendor/qcom/opensource/audio-kernel/include
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(BOARD_VENDOR_KERNEL_MODULES)
+endif
+
+LOCAL_HEADER_LIBRARIES += libhardware_headers
+LOCAL_HEADER_LIBRARIES += libsystem_headers
+include $(BUILD_SHARED_LIBRARY)