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# We can build either as part of a standalone Kernel build or as
# an external module. Determine which mechanism is being used
ifeq ($(MODNAME),)
KERNEL_BUILD := 1
else
KERNEL_BUILD := 0
endif
ifeq ($(KERNEL_BUILD), 1)
# These are configurable via Kconfig for kernel-based builds
# Need to explicitly configure for Android-based builds
AUDIO_BLD_DIR := $(ANDROID_BUILD_TOP)/kernel/msm-4.9
AUDIO_ROOT := $(AUDIO_BLD_DIR)/techpack/audio
endif
ifeq ($(KERNEL_BUILD), 0)
ifeq ($(CONFIG_ARCH_SDM845), y)
include $(AUDIO_ROOT)/config/sdm845auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sdm845autoconf.h
endif
ifeq ($(CONFIG_ARCH_SDM670), y)
include $(AUDIO_ROOT)/config/sdm670auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sdm670autoconf.h
endif
ifeq ($(CONFIG_ARCH_SDM450), y)
include $(AUDIO_ROOT)/config/sdm670auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sdm670autoconf.h
endif
ifeq ($(CONFIG_ARCH_SM8150), y)
include $(AUDIO_ROOT)/config/sm8150auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sm8150autoconf.h
endif
ifeq ($(CONFIG_ARCH_SM6150), y)
include $(AUDIO_ROOT)/config/sm8150auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sm8150autoconf.h
endif
ifeq ($(CONFIG_ARCH_SDMSHRIKE), y)
include $(AUDIO_ROOT)/config/sm8150auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/sm8150autoconf.h
endif
ifeq ($(CONFIG_ARCH_QCS405), y)
include $(AUDIO_ROOT)/config/qcs405auto.conf
export
INCS += -include $(AUDIO_ROOT)/config/qcs405autoconf.h
endif
endif
# As per target team, build is done as follows:
# Defconfig : build with default flags
# Slub : defconfig + CONFIG_SLUB_DEBUG := y +
# CONFIG_SLUB_DEBUG_ON := y + CONFIG_PAGE_POISONING := y
# Perf : Using appropriate msmXXXX-perf_defconfig
#
# Shipment builds (user variants) should not have any debug feature
# enabled. This is identified using 'TARGET_BUILD_VARIANT'. Slub builds
# are identified using the CONFIG_SLUB_DEBUG_ON configuration. Since
# there is no other way to identify defconfig builds, QTI internal
# representation of perf builds (identified using the string 'perf'),
# is used to identify if the build is a slub or defconfig one. This
# way no critical debug feature will be enabled for perf and shipment
# builds. Other OEMs are also protected using the TARGET_BUILD_VARIANT
# config.
############ UAPI ############
UAPI_DIR := uapi
UAPI_INC := -I$(AUDIO_ROOT)/include/$(UAPI_DIR)
############ COMMON ############
COMMON_DIR := include
COMMON_INC := -I$(AUDIO_ROOT)/$(COMMON_DIR)
############ SoC Modules ############
# for pinctrl WCD driver
ifdef CONFIG_PINCTRL_WCD
PINCTRL_WCD_OBJS += pinctrl-wcd.o
endif
# for pinctrl LPI driver
ifdef CONFIG_PINCTRL_LPI
PINCTRL_LPI_OBJS += pinctrl-lpi.o
endif
# for soundwire driver
ifdef CONFIG_SOUNDWIRE_WCD_CTRL
SWR_CTRL_OBJS += swr-wcd-ctrl.o
endif
ifdef CONFIG_SOUNDWIRE
SWR_OBJS += regmap-swr.o
SWR_OBJS += soundwire.o
endif
LINUX_INC += -Iinclude/linux
INCS += $(COMMON_INC) \
$(UAPI_INC)
EXTRA_CFLAGS += $(INCS)
CDEFINES += -DANI_LITTLE_BYTE_ENDIAN \
-DANI_LITTLE_BIT_ENDIAN \
-DDOT11F_LITTLE_ENDIAN_HOST \
-DANI_COMPILER_TYPE_GCC \
-DANI_OS_TYPE_ANDROID=6 \
-DPTT_SOCK_SVC_ENABLE \
-Wall\
-Werror\
-D__linux__
KBUILD_CPPFLAGS += $(CDEFINES)
ifeq ($(KERNEL_BUILD), 0)
KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/dsp/Module.symvers
endif
# Currently, for versions of gcc which support it, the kernel Makefile
# is disabling the maybe-uninitialized warning. Re-enable it for the
# AUDIO driver. Note that we must use EXTRA_CFLAGS here so that it
# will override the kernel settings.
ifeq ($(call cc-option-yn, -Wmaybe-uninitialized),y)
EXTRA_CFLAGS += -Wmaybe-uninitialized
endif
#EXTRA_CFLAGS += -Wmissing-prototypes
ifeq ($(call cc-option-yn, -Wheader-guard),y)
EXTRA_CFLAGS += -Wheader-guard
endif
# Module information used by KBuild framework
obj-$(CONFIG_PINCTRL_WCD) += pinctrl_wcd_dlkm.o
pinctrl_wcd_dlkm-y := $(PINCTRL_WCD_OBJS)
obj-$(CONFIG_PINCTRL_LPI) += pinctrl_lpi_dlkm.o
pinctrl_lpi_dlkm-y := $(PINCTRL_LPI_OBJS)
obj-$(CONFIG_SOUNDWIRE) += swr_dlkm.o
swr_dlkm-y := $(SWR_OBJS)
obj-$(CONFIG_SOUNDWIRE_WCD_CTRL) += swr_ctrl_dlkm.o
swr_ctrl_dlkm-y := $(SWR_CTRL_OBJS)
# inject some build related information
DEFINES += -DBUILD_TIMESTAMP=\"$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')\"
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