#
#             Copyright 2018 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
#  ==============================================================================
#  Redistribution and use in source and binary forms, with or without
#  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.
#      * Redistributions in binary form must reproduce the above copyright
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
#      * Neither the name of the <organization> nor the
#        names of its contributors may be used to endorse or promote products
#        derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
#  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
#  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.
#
#
#  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.
#
#  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
#
#
#  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
#  whatsoever for any third party patent or other immaterial property rights
#  violations that may result from any usage of this source code, regardless of
#  the combination of source code and various applications that it can be used
#  in, or with.
#
#  -----------------------------------------------------------------------------
#

.PHONY: all clean install load uninstall

# Choose which module to build
KV_MODULE_NAME ?= kvaser_usb
#KV_MODULE_NAME ?= kvaser_pciefd

KERNEL_PATH ?= /lib/modules/`uname -r`
KDIR ?= $(KERNEL_PATH)/build

KERNEL_CAN_DIR = kernel/drivers/net/can
KVASER_SRC_DIR = `pwd`/$(KERNEL_CAN_DIR)

ifeq ($(KV_MODULE_NAME), kvaser_usb)
KV_CONFIG_FLAGS = CONFIG_CAN_KVASER_USB=m
KVASER_SRC_DIR := $(KVASER_SRC_DIR)/usb/kvaser_usb
else ifeq ($(KV_MODULE_NAME), kvaser_pciefd)
KV_CONFIG_FLAGS = CONFIG_CAN_KVASER_PCIEFD=m
else
$(error Unknown KV_MODULE_NAME='$(KV_MODULE_NAME)')
endif

$(info Selected module $(KV_MODULE_NAME))

all:
	@echo $(KVASER_SRC_DIR)
	make -C $(KDIR) $(KV_CONFIG_FLAGS) M=$(KVASER_SRC_DIR)

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

install:
	make -C $(KDIR) M=$(KVASER_SRC_DIR) modules_install
	depmod -a

load:
	modprobe $(KV_MODULE_NAME)

uninstall:
	rm $(addprefix $(KERNEL_PATH)/extra/$(KV_MODULE_NAME), .ko .ko.gz .ko.xz) 2>/dev/null || true
	rmmod $(KV_MODULE_NAME) 2>/dev/null || true
	depmod -a
