# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Intel Corporation.

KERNELRELEASE ?= $(shell uname -r)
KERNEL_SRC ?= /lib/modules/$(KERNELRELEASE)/build
MODSRC := $(shell pwd)

export EXTERNAL_BUILD = 1
export CONFIG_VIDEO_INTEL_IPU7 = m
export CONFIG_IPU_BRIDGE = y

# Default: only build IPU7 drivers (no ACPI)
obj-y += drivers/media/pci/intel/ipu7/

# For ACPI build: add platform drivers
ifdef BUILD_INTEL_IPU_ACPI
export CONFIG_INTEL_IPU_ACPI = m
obj-y += drivers/media/platform/intel/
subdir-ccflags-$(CONFIG_INTEL_IPU_ACPI) += \
	-DCONFIG_INTEL_IPU_ACPI
endif

subdir-ccflags-y += -I$(src)/include

subdir-ccflags-$(CONFIG_IPU_BRIDGE) += \
	-DCONFIG_IPU_BRIDGE

subdir-ccflags-y += $(subdir-ccflags-m)

all:
	$(MAKE) -C $(KERNEL_SRC) M=$(MODSRC) modules

all-acpi:
	$(MAKE) BUILD_INTEL_IPU_ACPI=1 -C $(KERNEL_SRC) M=$(MODSRC) modules

modules_install:
	$(MAKE) INSTALL_MOD_DIR=updates -C $(KERNEL_SRC) M=$(MODSRC) modules_install

clean:
	$(MAKE) -C $(KERNEL_SRC) M=$(MODSRC) clean
