##############################################################################
#
#    The MIT License (MIT)
#
#    Copyright (c) 2014 - 2020 Vivante Corporation
#
#    Permission is hereby granted, free of charge, to any person obtaining a
#    copy of this software and associated documentation files (the "Software"),
#    to deal in the Software without restriction, including without limitation
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#    Software is furnished to do so, subject to the following conditions:
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#    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
#    DEALINGS IN THE SOFTWARE.
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#
#    The GPL License (GPL)
#
#    Copyright (C) 2014 - 2020 Vivante Corporation
#
#    This program is free software; you can redistribute it and/or
#    modify it under the terms of the GNU General Public License
#    as published by the Free Software Foundation; either version 2
#    of the License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
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#    along with this program; if not, write to the Free Software Foundation,
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##############################################################################
#
#    Note: This software is released under dual MIT and GPL licenses. A
#    recipient may use this file under the terms of either the MIT license or
#    GPL License. If you wish to use only one license not the other, you can
#    indicate your decision by deleting one of the above license notices in your
#    version of this file.
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##############################################################################


#
# Linux build file for kernel HAL driver.
#

include $(AQROOT)/config

soc_vendor    := $(firstword $(subst -, ,$(SOC_PLATFORM)))
soc_board     := $(lastword  $(subst -, ,$(SOC_PLATFORM)))

KERNEL_DIR ?= $(TOOL_DIR)/kernel

OS_KERNEL_DIR   := hal/os/linux/kernel
ARCH_KERNEL_DIR := hal/kernel/arch
ARCH_VG_KERNEL_DIR := hal/kernel/archvg
HAL_KERNEL_DIR  := hal/kernel
TA_DIR          := hal/security_v1
HOST := $(shell hostname)

MODULE_NAME ?= galcore
CUSTOMER_ALLOCATOR_OBJS    ?=
ALLOCATOR_ARRAY_H_LOCATION ?= $(OS_KERNEL_DIR)/allocator/default/
SOC_PLATFORM_LOCATION      ?= $(OS_KERNEL_DIR)/platform/$(soc_vendor)

# Set common platform driver source
SOC_PLATFORM_OBJS ?= $(SOC_PLATFORM_LOCATION)/gc_hal_kernel_platform_$(soc_board).o
# Include platform config if exists.
-include $(AQROOT)/$(SOC_PLATFORM_LOCATION)/gc_hal_kernel_platform_$(soc_board).config

ifeq ($(CONFIG_KASAN),)
EXTRA_CFLAGS += -Werror -Wno-implicit-fallthrough
endif

OBJS := $(OS_KERNEL_DIR)/gc_hal_kernel_device.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_linux.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_math.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_os.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_debugfs.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_allocator.o \
        $(OS_KERNEL_DIR)/allocator/default/gc_hal_kernel_allocator_user_memory.o \
        $(OS_KERNEL_DIR)/allocator/default/gc_hal_kernel_allocator_dma.o \
        $(OS_KERNEL_DIR)/allocator/default/gc_hal_kernel_allocator_gfp.o \
        $(OS_KERNEL_DIR)/allocator/default/gc_hal_kernel_allocator_reserved_mem.o \
        $(OS_KERNEL_DIR)/gc_hal_kernel_driver.o

# Source files for soc platform board
OBJS += $(SOC_PLATFORM_OBJS)

ifneq ($(CONFIG_DMA_SHARED_BUFFER),)
OBJS += $(OS_KERNEL_DIR)/allocator/default/gc_hal_kernel_allocator_dmabuf.o
endif

ifneq ($(CONFIG_IOMMU_SUPPORT),)
OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_iommu.o
endif

ifneq ($(CONFIG_DRM),)
OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_drm.o
endif

OBJS += $(HAL_KERNEL_DIR)/gc_hal_kernel.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_command.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_db.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_debug.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_event.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_heap.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_mmu.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_video_memory.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_power.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_security_v1.o

OBJS += $(ARCH_KERNEL_DIR)/gc_hal_kernel_context.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware_func.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware_async_fe.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware_mc_fe.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware_waitlink_fe.o

ifeq ($(VIVANTE_ENABLE_3D),1)
OBJS += $(ARCH_KERNEL_DIR)/gc_hal_kernel_recorder.o
endif


ifneq ($(CONFIG_SYNC),)
EXTRA_CFLAGS += -Idrivers/staging/android
EXTRA_CFLAGS += -DgcdLINUX_SYNC_FILE=1

OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_sync.o
else
  ifneq ($(CONFIG_SYNC_FILE),)
  EXTRA_CFLAGS += -DgcdLINUX_SYNC_FILE=1
  OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_sync.o
  endif
endif

ifeq ($(SECURITY),1)
OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_security_channel.o \
        $(HAL_KERNEL_DIR)/gc_hal_kernel_security.o
endif

ifneq ($(CUSTOMER_ALLOCATOR_OBJS),)
OBJS += $(CUSTOMER_ALLOCATOR_OBJS)
endif

OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_security_channel_emulator.o \
        $(TA_DIR)/gc_hal_ta.o \
        $(TA_DIR)/gc_hal_ta_hardware.o \
        $(TA_DIR)/gc_hal_ta_mmu.o \
        $(TA_DIR)/os/emulator/gc_hal_ta_emulator.o

ifeq ($(KERNELRELEASE),)

.PHONY: all clean install

# Define targets.
all:
	@$(MAKE) V=$(V) ARCH=$(ARCH_TYPE) -C $(KERNEL_DIR) M=`pwd` modules

clean:
	@rm -rf $(OBJS)
	@rm -rf modules.order Module.symvers .tmp_versions
	@find $(AQROOT) -name ".gc_*.cmd" | xargs rm -f

install: all
	@mkdir -p $(SDK_DIR)/drivers
	@cp $(MODULE_NAME).ko $(SDK_DIR)/drivers

else


EXTRA_CFLAGS += -DLINUX -DDRIVER

ifeq ($(FLAREON),1)
EXTRA_CFLAGS += -DFLAREON
endif

ifeq ($(DEBUG),1)
EXTRA_CFLAGS += -DDBG=1 -DDEBUG -D_DEBUG
else
EXTRA_CFLAGS += -DDBG=0
endif

ifeq ($(NO_DMA_COHERENT),1)
EXTRA_CFLAGS += -DNO_DMA_COHERENT
endif

ifeq ($(CONFIG_DOVE_GPU),1)
EXTRA_CFLAGS += -DCONFIG_DOVE_GPU=1
endif

ifneq ($(USE_PLATFORM_DRIVER),0)
EXTRA_CFLAGS += -DUSE_PLATFORM_DRIVER=1
else
EXTRA_CFLAGS += -DUSE_PLATFORM_DRIVER=0
endif

EXTRA_CFLAGS += -DVIVANTE_PROFILER=1
EXTRA_CFLAGS += -DVIVANTE_PROFILER_CONTEXT=1

ifeq ($(ENABLE_GPU_CLOCK_BY_DRIVER),1)
EXTRA_CFLAGS += -DENABLE_GPU_CLOCK_BY_DRIVER=1
else
EXTRA_CFLAGS += -DENABLE_GPU_CLOCK_BY_DRIVER=0
endif

ifeq ($(USE_NEW_LINUX_SIGNAL),1)
EXTRA_CFLAGS += -DUSE_NEW_LINUX_SIGNAL=1
else
EXTRA_CFLAGS += -DUSE_NEW_LINUX_SIGNAL=0
endif

ifeq ($(USE_LINUX_PCIE),1)
EXTRA_CFLAGS += -DUSE_LINUX_PCIE=1
else
EXTRA_CFLAGS += -DUSE_LINUX_PCIE=0
endif

ifeq ($(CACHE_FUNCTION_UNIMPLEMENTED),1)
EXTRA_CFLAGS += -DgcdCACHE_FUNCTION_UNIMPLEMENTED=1
else
EXTRA_CFLAGS += -DgcdCACHE_FUNCTION_UNIMPLEMENTED=0
endif

ifeq ($(VIVANTE_ENABLE_3D),0)
EXTRA_CFLAGS += -DgcdENABLE_3D=0
else
EXTRA_CFLAGS += -DgcdENABLE_3D=1
endif

EXTRA_CFLAGS += -DgcdENABLE_2D=0

EXTRA_CFLAGS += -DgcdENABLE_VG=0

ifeq ($(USE_BANK_ALIGNMENT),1)
    EXTRA_CFLAGS += -DgcdENABLE_BANK_ALIGNMENT=1
    ifneq ($(BANK_BIT_START),0)
	        ifneq ($(BANK_BIT_END),0)
	            EXTRA_CFLAGS += -DgcdBANK_BIT_START=$(BANK_BIT_START)
	            EXTRA_CFLAGS += -DgcdBANK_BIT_END=$(BANK_BIT_END)
	        endif
    endif

    ifneq ($(BANK_CHANNEL_BIT),0)
        EXTRA_CFLAGS += -DgcdBANK_CHANNEL_BIT=$(BANK_CHANNEL_BIT)
    endif
endif

ifeq ($(FPGA_BUILD),1)
EXTRA_CFLAGS += -DgcdFPGA_BUILD=1
else
EXTRA_CFLAGS += -DgcdFPGA_BUILD=0
endif

ifeq ($(SECURITY),1)
EXTRA_CFLAGS += -DgcdSECURITY=1
endif

ifneq ($(CONFIG_DRM),)
    ifneq ($(CONFIG_ANDROID),)
    EXTRA_CFLAGS += -DgcdENABLE_DRM=$(VIVANTE_ENABLE_DRM)
    else
    EXTRA_CFLAGS += -DgcdENABLE_DRM=0
    endif
else
EXTRA_CFLAGS += -DgcdENABLE_DRM=0
endif

EXTRA_CFLAGS += -I$(AQROOT)/hal/kernel/inc
EXTRA_CFLAGS += -I$(AQROOT)/hal/kernel
EXTRA_CFLAGS += -I$(AQROOT)/hal/kernel/arch
EXTRA_CFLAGS += -I$(AQROOT)/hal/kernel/inc
EXTRA_CFLAGS += -I$(AQROOT)/hal/os/linux/kernel
EXTRA_CFLAGS += -I$(AQROOT)/$(ALLOCATOR_ARRAY_H_LOCATION)
EXTRA_CFLAGS += -I$(AQROOT)/hal/security_v1/
EXTRA_CFLAGS += -I$(AQROOT)/$(SOC_PLATFORM_LOCATION)

ifneq ($(CONFIG_ARM),)
EXTRA_CFLAGS += -Iarch/arm/mm
endif


ifeq ($(VIVANTE_ENABLE_DRM),1)
EXTRA_CFLAGS += -I$(AQROOT)/driver/X/libdrm-2.4.91/include/drm
endif

EXTRA_CFLAGS += -DHOST=\"$(HOST)\"

EXTRA_CFLAGS += -DgcdENABLE_TRUST_APPLICATION=1

obj-m = $(MODULE_NAME).o

$(MODULE_NAME)-objs  = $(OBJS)

endif