##############################################################################
#
#    The MIT License (MIT)
#
#    Copyright (c) 2014 - 2016 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
#    the rights to use, copy, modify, merge, publish, distribute, sublicense,
#    and/or sell copies of the Software, and to permit persons to whom the
#    Software is furnished to do so, subject to the following conditions:
#
#    The above copyright notice and this permission notice shall be included in
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#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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#    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
#    DEALINGS IN THE SOFTWARE.
#
##############################################################################
#
#    The GPL License (GPL)
#
#    Copyright (C) 2014 - 2016 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.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software Foundation,
#    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
##############################################################################
#
#    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.
#
##############################################################################


#
# Linux build file for kernel HAL driver.
#
AQROOT := $(srctree)/drivers/mxc/gpu-viv

include $(AQROOT)/config

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
HOST := $(shell hostname)

# Check and include platform config.
ifneq ($(PLATFORM),)

# Get platform config path.
PLATFORM_CONFIG ?= $(AQROOT)/$(OS_KERNEL_DIR)/platform/$(PLATFORM).config

# Check whether it exists.
PLATFORM_CONFIG := $(wildcard $(PLATFORM_CONFIG))

# Include it if exists.
ifneq ($(PLATFORM_CONFIG),)
include $(PLATFORM_CONFIG)
endif

endif

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

EXTRA_CFLAGS += -Werror

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 \

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 ($(PLATFORM),)
OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_probe.o
OBJS += $(OS_KERNEL_DIR)/platform/$(PLATFORM).o
else
OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_driver.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

OBJS += $(ARCH_KERNEL_DIR)/gc_hal_kernel_context.o \
        $(ARCH_KERNEL_DIR)/gc_hal_kernel_hardware.o

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

ifeq ($(VIVANTE_ENABLE_VG), 1)
OBJS +=\
          $(HAL_KERNEL_DIR)/gc_hal_kernel_vg.o\
          $(HAL_KERNEL_DIR)/gc_hal_kernel_command_vg.o\
          $(HAL_KERNEL_DIR)/gc_hal_kernel_interrupt_vg.o\
          $(HAL_KERNEL_DIR)/gc_hal_kernel_mmu_vg.o\
          $(ARCH_VG_KERNEL_DIR)/gc_hal_kernel_hardware_command_vg.o\
          $(ARCH_VG_KERNEL_DIR)/gc_hal_kernel_hardware_vg.o
endif

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

OBJS += $(OS_KERNEL_DIR)/gc_hal_kernel_sync.o
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

ifeq ($(KERNELRELEASE), )

.PHONY: all clean install

# Define targets.
all:
	@$(MAKE) V=$(V) ARCH=$(ARCH_TYPE) -C $(KERNEL_DIR) SUBDIRS=`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 ($(FORCE_ALL_VIDEO_MEMORY_CACHED), 1)
EXTRA_CFLAGS += -DgcdPAGED_MEMORY_CACHEABLE=1
else
EXTRA_CFLAGS += -DgcdPAGED_MEMORY_CACHEABLE=0
endif

ifeq ($(NONPAGED_MEMORY_CACHEABLE), 1)
EXTRA_CFLAGS += -DgcdNONPAGED_MEMORY_CACHEABLE=1
else
EXTRA_CFLAGS += -DgcdNONPAGED_MEMORY_CACHEABLE=0
endif

ifeq ($(NONPAGED_MEMORY_BUFFERABLE), 1)
EXTRA_CFLAGS += -DgcdNONPAGED_MEMORY_BUFFERABLE=1
else
EXTRA_CFLAGS += -DgcdNONPAGED_MEMORY_BUFFERABLE=0
endif

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

ifeq ($(CONFIG_SMP), y)
EXTRA_CFLAGS += -DgcdSMP=1
else
EXTRA_CFLAGS += -DgcdSMP=0
endif

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

ifeq ($(VIVANTE_ENABLE_2D),0)
EXTRA_CFLAGS += -DgcdENABLE_2D=0
else
EXTRA_CFLAGS += -DgcdENABLE_2D=1
endif

ifeq ($(VIVANTE_ENABLE_VG),0)
EXTRA_CFLAGS += -DgcdENABLE_VG=0
else
EXTRA_CFLAGS += -DgcdENABLE_VG=1
endif

ifeq ($(ENABLE_OUTER_CACHE_PATCH), 1)
EXTRA_CFLAGS += -DgcdENABLE_OUTER_CACHE_PATCH=1
else
EXTRA_CFLAGS += -DgcdENABLE_OUTER_CACHE_PATCH=0
endif

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

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

ifeq ($(VIVANTE_ENABLE_VG), 1)
EXTRA_CFLAGS += -I$(AQROOT)/hal/kernel/archvg
endif

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

obj-$(CONFIG_MXC_GPU_VIV) = $(MODULE_NAME).o

$(MODULE_NAME)-objs  = $(OBJS)

endif