#
# Copyright (C) 2017 STMicroelectronics
# Denis Ciocca - Motion MEMS Product Div.
#
# 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.
#

.PHONY: sensors-defconfig sensors-menuconfig sensors-cleanconf

CURRENT_DIRECTORY := $(shell pwd)

# Check AOSP version
ifeq ($(PLATFORM_VERSION),)
# ANDROID_BUILD_TOP is deprecated
ifeq ($(ANDROID_BUILD_TOP),)
VERSION_DEFAULT := $(.)/build/core/version_defaults.mk
else # ANDROID_BUILD_TOP
VERSION_DEFAULT := $(ANDROID_BUILD_TOP)/build/core/version_defaults.mk
endif # ANDROID_BUILD_TOP
PLATFORM_COMMAND_VERSION := $(shell grep "PLATFORM_VERSION := " $(VERSION_DEFAULT))
PLATFORM_VERSION := $(shell echo $(PLATFORM_COMMAND_VERSION) | awk -F':= ' '{print $$2}')
endif # PLATFORM_VERSION

MAJOR_VERSION := $(shell echo $(PLATFORM_VERSION) | cut -f1 -d.)
MINOR_VERSION := $(shell echo $(PLATFORM_VERSION) | cut -f2 -d.)

VERSION_KK := $(shell test $(MAJOR_VERSION) -eq 4 -a $(MINOR_VERSION) -eq 4 && echo true)
VERSION_L := $(shell test $(MAJOR_VERSION) -eq 5 && echo true)
VERSION_M := $(shell test $(MAJOR_VERSION) -eq 6 && echo true)
VERSION_N := $(shell test $(MAJOR_VERSION) -eq 7 && echo true)
VERSION_O := $(shell test $(MAJOR_VERSION) -eq 8 && echo true)
VERSION_P := $(shell test $(MAJOR_VERSION) -eq 9 && echo true)
VERSION_Q := $(shell test $(MAJOR_VERSION) -eq 10 && echo true)
VERSION_R := $(shell test $(MAJOR_VERSION) -eq 11 && echo true)
VERSION_S := $(shell test $(MAJOR_VERSION) -eq 12 && echo true)
VERSION_T := $(shell test $(MAJOR_VERSION) -eq 13 && echo true)

ifeq ($(VERSION_KK),true)
ST_HAL_ANDROID_VERSION=0
DEFCONFIG := android_KK_defconfig
endif # VERSION_KK

ifeq ($(VERSION_L),true)
ST_HAL_ANDROID_VERSION=1
DEFCONFIG := android_L_defconfig
endif # VERSION_L

ifeq ($(VERSION_M),true)
ST_HAL_ANDROID_VERSION=2
DEFCONFIG := android_M_defconfig
endif # VERSION_M

ifeq ($(VERSION_N),true)
ST_HAL_ANDROID_VERSION=3
DEFCONFIG := android_N_defconfig
endif # VERSION_N

ifeq ($(VERSION_O),true)
ST_HAL_ANDROID_VERSION=4
DEFCONFIG := android_O_defconfig
endif # VERSION_O

ifeq ($(VERSION_P),true)
ST_HAL_ANDROID_VERSION=5
DEFCONFIG := android_P_defconfig
endif # VERSION_P

ifeq ($(VERSION_Q),true)
ST_HAL_ANDROID_VERSION=6
DEFCONFIG := android_Q_defconfig
endif # VERSION_Q

ifeq ($(VERSION_R),true)
ST_HAL_ANDROID_VERSION=7
DEFCONFIG := android_R_defconfig
endif # VERSION_R

ifeq ($(VERSION_S),true)
ST_HAL_ANDROID_VERSION=7
DEFCONFIG := android_S_defconfig
endif # VERSION_S

ifeq ($(VERSION_T),true)
ST_HAL_ANDROID_VERSION=7
DEFCONFIG := android_T_defconfig
endif # VERSION_T

ifeq ($(DEFCONFIG),)
$(error ${\n}${\n}${\space}${\n}AOSP Version Unknown${\n})
endif # DEFCONFIG

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/FUFD_CustomTilt/FUFD_CustomTilt*)","")
ST_HAL_HAS_FDFD_LIB=y
else
ST_HAL_HAS_FDFD_LIB=n
endif

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/iNemoEngine_gbias_Estimation/iNemoEngine_gbias_Estimation*)","")
ST_HAL_HAS_GBIAS_LIB=y
else
ST_HAL_HAS_GBIAS_LIB=n
endif

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/iNemoEngine_GeoMag_Fusion/iNemoEngine_GeoMag*)","")
ST_HAL_HAS_GEOMAG_LIB=y
else
ST_HAL_HAS_GEOMAG_LIB=n
endif

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/iNemoEnginePRO/iNemoEnginePRO*)","")
ST_HAL_HAS_9X_6X_LIB=y
else
ST_HAL_HAS_9X_6X_LIB=n
endif

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/STMagCalibration/STMagCalibration*)","")
ST_HAL_HAS_MAGN_CALIB_LIB=y
else
ST_HAL_HAS_MAGN_CALIB_LIB=n
endif

ifneq ("$(wildcard $(CURRENT_DIRECTORY)/lib/STAccCalibration/STAccCalibration*)","")
ST_HAL_HAS_ACCEL_CALIB_LIB=y
else
ST_HAL_HAS_ACCEL_CALIB_LIB=n
endif

# Export to config tools
export ST_HAL_HAS_ACCEL_CALIB_LIB ST_HAL_HAS_MAGN_CALIB_LIB ST_HAL_HAS_9X_6X_LIB ST_HAL_HAS_GEOMAG_LIB ST_HAL_HAS_GBIAS_LIB ST_HAL_HAS_FDFD_LIB
export ST_HAL_ANDROID_VERSION
export DEFCONFIG
export KCONFIG_CONFIG_HAL=$(CURRENT_DIRECTORY)/hal_config
export ST_HAL_PATH=$(CURRENT_DIRECTORY)

configfile:
	$(if $(wildcard $(KCONFIG_CONFIG_HAL)), , $(warning ${\n}${\n}${\space}${\n}defconfig file not found. Used default one: `$(DEFCONFIG)`.${\n}${\space}${\n}) @$(MAKE) sensors-defconfig > /dev/null)

sensors-defconfig:
	cp $(CURRENT_DIRECTORY)/src/$(DEFCONFIG) $(KCONFIG_CONFIG_HAL)
	$(CURRENT_DIRECTORY)/tools/mkconfig $(CURRENT_DIRECTORY)/ > $(CURRENT_DIRECTORY)/configuration.h

sensors-menuconfig: configfile
	$(CURRENT_DIRECTORY)/tools/kconfig-mconf $(CURRENT_DIRECTORY)/Kconfig
	$(CURRENT_DIRECTORY)/tools/mkconfig $(CURRENT_DIRECTORY)/ > $(CURRENT_DIRECTORY)/configuration.h

sensors-cleanconf:
	$(if $(wildcard $(KCONFIG_CONFIG_HAL)), rm $(KCONFIG_CONFIG_HAL), )
	$(if $(wildcard $(KCONFIG_CONFIG_HAL).old), rm $(KCONFIG_CONFIG_HAL).old, )
	$(if $(wildcard $(CURRENT_DIRECTORY)/configuration.h), rm $(CURRENT_DIRECTORY)/configuration.h, )