#
#             Copyright 2026 by Kvaser AB, Molndal, Sweden
#                         http://www.kvaser.com
#
#  This software is dual licensed under the following two licenses:
#  BSD-new and GPLv2. You may use either one. See the included
#  COPYING file for details.
#
#  License: BSD-new
#  ==============================================================================
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#  modification, are permitted provided that the following conditions are met:
#      * Redistributions of source code must retain the above copyright
#        notice, this list of conditions and the following disclaimer.
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#        documentation and/or other materials provided with the distribution.
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#        names of its contributors may be used to endorse or promote products
#        derived from this software without specific prior written permission.
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#  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
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#
#  License: GPLv2
#  ==============================================================================
#  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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#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
#
#
#  IMPORTANT NOTICE:
#  ==============================================================================
#  This source code is made available for free, as an open license, by Kvaser AB,
#  for use with its applications. Kvaser AB does not accept any liability
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#  violations that may result from any usage of this source code, regardless of
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#  in, or with.
#
#  -----------------------------------------------------------------------------
#

.PHONY: all clean install modules_install load uninstall
KERNEL_PATH ?= /lib/modules/$(shell uname -r)
KDIR ?= $(KERNEL_PATH)/build
KERNEL_SRC ?= $(KDIR)
INSTALL_MOD_DIR ?= updates

MODULE = kvaser_pciefd

SRC := $(shell pwd)
CAN_SRC_DIR := $(SRC)/drivers/net/can
KVASER_SRC_DIR := $(CAN_SRC_DIR)/kvaser_pciefd

KV_CONFIG_FLAGS = CONFIG_CAN_KVASER_PCIEFD=m

KV_CFLAGS += -DKV_FORCE_DEVLINK=0
-include $(SRC)/../extra-flags.mak
KV_CFLAGS += -idirafter $(SRC)/include
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/kvaser/hydra_flash
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/kvaser/spi/sf2_spi
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/kvaser/spi_flash
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/xilinx/spi/src
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/altera/HAL/inc
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/altera/inc
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/altera/inc/sys
KV_CFLAGS += -I$(KVASER_SRC_DIR)/drivers/xilinx/common/src
KV_CFLAGS += -I$(KVASER_SRC_DIR)/include
KV_CFLAGS += -I$(KVASER_SRC_DIR)/hw

all:
	@echo $(KVASER_SRC_DIR)
	make -C $(KERNEL_SRC) CFLAGS_MODULE="$(KV_CFLAGS)" $(KV_CONFIG_FLAGS) M=$(KVASER_SRC_DIR)

clean:
	make -C $(KERNEL_SRC) M=$(KVASER_SRC_DIR) clean

modules_install:
	make INSTALL_MOD_DIR=$(INSTALL_MOD_DIR) -C $(KERNEL_SRC) M=$(KVASER_SRC_DIR) modules_install

install: modules_install
	depmod -a

load:
	modprobe $(MODULE)

uninstall:
	-modprobe -r $(MODULE) 2>/dev/null || true
	-rm $(addprefix $(KERNEL_PATH)/$(INSTALL_MOD_DIR)/$(MODULE), .ko .ko.gz .ko.xz) 2>/dev/null || true
	depmod -a
