Audio: DLKM support for all audio modules
Switch to DLKM for all audio kernel modules.
Change-Id: I6a96023a21f655f873531af9ace81f2b01eb0f58
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
diff --git a/asoc/Kbuild b/asoc/Kbuild
new file mode 100644
index 0000000..eb32e88
--- /dev/null
+++ b/asoc/Kbuild
@@ -0,0 +1,161 @@
+# We can build either as part of a standalone Kernel build or as
+# an external module. Determine which mechanism is being used
+KERNEL_BUILD := 0
+
+
+ifeq ($(KERNEL_BUILD), 0)
+ # These are configurable via Kconfig for kernel-based builds
+ # Need to explicitly configure for Android-based builds
+ ifeq ($(CONFIG_ARCH_SDM845), y)
+ include $(AUDIO_ROOT)/config/sdm845auto.conf
+ export
+ endif
+ ifeq ($(CONFIG_ARCH_SDM670), y)
+ include $(AUDIO_ROOT)/config/sdm670auto.conf
+ export
+ endif
+endif
+
+
+# As per target team, build is done as follows:
+# Defconfig : build with default flags
+# Slub : defconfig + CONFIG_SLUB_DEBUG := y +
+# CONFIG_SLUB_DEBUG_ON := y + CONFIG_PAGE_POISONING := y
+# Perf : Using appropriate msmXXXX-perf_defconfig
+#
+# Shipment builds (user variants) should not have any debug feature
+# enabled. This is identified using 'TARGET_BUILD_VARIANT'. Slub builds
+# are identified using the CONFIG_SLUB_DEBUG_ON configuration. Since
+# there is no other way to identify defconfig builds, QTI internal
+# representation of perf builds (identified using the string 'perf'),
+# is used to identify if the build is a slub or defconfig one. This
+# way no critical debug feature will be enabled for perf and shipment
+# builds. Other OEMs are also protected using the TARGET_BUILD_VARIANT
+# config.
+
+############ UAPI ############
+UAPI_DIR := uapi
+UAPI_INC := -I$(AUDIO_ROOT)/include/$(UAPI_DIR)
+
+############ COMMON ############
+COMMON_DIR := include
+COMMON_INC := -I$(AUDIO_ROOT)/$(COMMON_DIR)
+
+############ ASoC Drivers ############
+
+
+# for SDM6xx sound card driver
+ifeq ($(CONFIG_SND_SOC_SDM670), m)
+ MACHINE_OBJS += sdm660-common.o
+endif
+
+# for SDM6xx sound card driver
+ifeq ($(CONFIG_SND_SOC_INT_CODEC), m)
+ MACHINE_OBJS += sdm660-internal.o
+endif
+
+# for SDM6xx sound card driver
+ifeq ($(CONFIG_SND_SOC_EXT_CODEC), m)
+ MACHINE_OBJS += sdm660-external.o
+ MACHINE_OBJS += sdm660-ext-dai-links.o
+endif
+
+# for SDM845 sound card driver
+ifeq ($(CONFIG_SND_SOC_MACHINE_SDM845), m)
+ MACHINE_OBJS += sdm845.o
+endif
+
+ifeq ($(CONFIG_SND_SOC_CPE), m)
+ CPE_LSM_OBJS += msm-cpe-lsm.o
+endif
+
+ifeq ($(CONFIG_SND_SOC_QDSP6V2), m)
+ PLATFORM_OBJS += msm-audio-effects-q6-v2.o
+ PLATFORM_OBJS += msm-compress-q6-v2.o
+ PLATFORM_OBJS += msm-dai-fe.o
+ PLATFORM_OBJS += msm-dai-q6-hdmi-v2.o
+ PLATFORM_OBJS += msm-dai-q6-v2.o
+ PLATFORM_OBJS += msm-dai-slim.o
+ PLATFORM_OBJS += msm-dai-stub-v2.o
+ PLATFORM_OBJS += msm-ds2-dap-config.o
+ PLATFORM_OBJS += msm-lsm-client.o
+ PLATFORM_OBJS += msm-pcm-afe-v2.o
+ PLATFORM_OBJS += msm-pcm-dtmf-v2.o
+ PLATFORM_OBJS += msm-pcm-hostless.o
+ PLATFORM_OBJS += msm-pcm-host-voice-v2.o
+ PLATFORM_OBJS += msm-pcm-loopback-v2.o
+ PLATFORM_OBJS += msm-pcm-q6-noirq.o
+ PLATFORM_OBJS += msm-pcm-q6-v2.o
+ PLATFORM_OBJS += msm-pcm-routing-devdep.o
+ PLATFORM_OBJS += msm-pcm-routing-v2.o
+ PLATFORM_OBJS += msm-pcm-voice-v2.o
+ PLATFORM_OBJS += msm-pcm-voip-v2.o
+ PLATFORM_OBJS += msm-qti-pp-config.o
+ PLATFORM_OBJS += msm-transcode-loopback-q6-v2.o
+ PLATFORM_OBJS += platform_init.o
+endif
+
+LINUX_INC += -Iinclude/linux
+
+INCS := $(COMMON_INC) \
+ $(UAPI_INC)
+
+ifeq ($(CONFIG_ARCH_SDM845), y)
+INCS += -include $(AUDIO_ROOT)/config/sdm845autoconf.h
+endif
+ifeq ($(CONFIG_ARCH_SDM670), y)
+INCS += -include $(AUDIO_ROOT)/config/sdm670autoconf.h
+endif
+
+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 += $(CDEFINES)
+
+# Currently, for versions of gcc which support it, the kernel Makefile
+# is disabling the maybe-uninitialized warning. Re-enable it for the
+# AUDIO driver. Note that we must use EXTRA_CFLAGS here so that it
+# will override the kernel settings.
+ifeq ($(call cc-option-yn, -Wmaybe-uninitialized),y)
+EXTRA_CFLAGS += -Wmaybe-uninitialized
+endif
+#EXTRA_CFLAGS += -Wmissing-prototypes
+
+ifeq ($(call cc-option-yn, -Wheader-guard),y)
+EXTRA_CFLAGS += -Wheader-guard
+endif
+
+
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/dsp/Module.symvers
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/Module.symvers
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/wcd934x/Module.symvers
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/sdm660_cdc/Module.symvers
+KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/asoc/codecs/msm_sdw/Module.symvers
+# Module information used by KBuild framework
+obj-$(CONFIG_SND_SOC_QDSP6V2) += platform_dlkm.o
+platform_dlkm-y := $(PLATFORM_OBJS)
+
+obj-$(CONFIG_SND_SOC_MACHINE_SDM845) += machine_dlkm.o
+machine_dlkm-y := $(MACHINE_OBJS)
+
+obj-$(CONFIG_SND_SOC_EXT_CODEC) += machine_dlkm.o
+machine_dlkm-y := $(MACHINE_OBJS)
+
+obj-$(CONFIG_SND_SOC_INT_CODEC) += machine_dlkm.o
+machine_dlkm-y := $(MACHINE_OBJS)
+
+obj-$(CONFIG_SND_SOC_CPE) += cpe_lsm_dlkm.o
+cpe_lsm_dlkm-y := $(CPE_LSM_OBJS)
+
+# inject some build related information
+DEFINES += -DBUILD_TIMESTAMP=\"$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')\"