tp_smapi/Makefile
2011-06-03 12:46:28 +02:00

172 lines
6.4 KiB
Makefile

ifndef TP_MODULES
# This part runs as a normal, top-level Makefile:
X:=$(shell false)
KVER := $(shell uname -r)
KSRC := /lib/modules/$(KVER)/build
MOD_DIR := /lib/modules/$(KVER)/kernel
PWD := $(shell pwd)
IDIR := include/linux
TP_DIR := drivers/firmware
TP_MODULES := thinkpad_ec.o tp_smapi.o
SHELL := /bin/bash
ifeq ($(HDAPS),1)
TP_MODULES += hdaps.o
LOAD_HDAPS := insmod ./hdaps.ko
else
LOAD_HDAPS := :
endif
DEBUG := 0
ifneq ($(shell [ -f $(KSRC)/include/linux/platform_device.h ] && echo 1),1)
$(error This driver requires kernel 2.6.15 or newer, and matching kernel headers.)
endif
.PHONY: default clean modules load unload install patch check_hdaps mk-hdaps.diff
export TP_MODULES
#####################################################################
# Main targets
default: modules
# Build the modules thinkpad_ec.ko, tp_smapi.ko and (if HDAPS=1) hdaps.ko
modules: $(KSRC) dmi_ec_oem_string.h $(patsubst %.o,%.c,$(TP_MODULES))
$(MAKE) -C $(KSRC) M=$(PWD) modules
clean:
rm -f tp_smapi.mod.* tp_smapi.o tp_smapi.ko .tp_smapi.*.cmd
rm -f thinkpad_ec.mod.* thinkpad_ec.o thinkpad_ec.ko .thinkpad_ec.*.cmd
rm -f hdaps.mod.* hdaps.o hdaps.ko .hdaps.*.cmd
rm -f *~ diff/*~ *.orig diff/*.orig *.rej diff/*.rej
rm -f tp_smapi-*-for-*.patch
rm -fr .tmp_versions Modules.symvers diff/hdaps.diff.tmp
rm -f dmi_ec_oem_string.h
load: check_hdaps unload modules
@( [ `id -u` == 0 ] || { echo "Must be root to load modules"; exit 1; } )
{ insmod ./thinkpad_ec.ko &&\
insmod ./tp_smapi.ko debug=$(DEBUG) &&\
$(LOAD_HDAPS); }; :
@echo -e '\nRecent dmesg output:' ; dmesg | tail -10
unload:
@( [ `id -u` == 0 ] || { echo "Must be root to unload modules"; exit 1; } )
if lsmod | grep -q '^hdaps '; then rmmod hdaps; fi
if lsmod | grep -q '^tp_smapi '; then rmmod tp_smapi; fi
if lsmod | grep -q '^thinkpad_ec '; then rmmod thinkpad_ec; fi
if lsmod | grep -q '^tp_base '; then rmmod tp_base; fi # old thinkpad_ec
check_hdaps:
ifneq ($(HDAPS),1)
@if lsmod | grep -q '^hdaps '; then \
echo 'The hdaps driver is loaded. Use "make HDAPS=1 ..." to'\
'patch hdaps for compatibility with tp_smapi.'\
'This requires a kernel source tree.'; exit 1; fi
endif
install: modules
@( [ `id -u` == 0 ] || { echo "Must be root to install modules"; exit 1; } )
rm -f $(MOD_DIR)/$(TP_DIR)/{thinkpad_ec,tp_smapi,tp_base}.ko
rm -f $(MOD_DIR)/extra/{thinkpad_ec,tp_smapi,tp_base}.ko
ifeq ($(HDAPS),1)
rm -f $(MOD_DIR)/drivers/hwmon/hdaps.ko
rm -f $(MOD_DIR)/extra/hdaps.ko
endif
$(MAKE) -C $(KSRC) M=$(PWD) modules_install
depmod -a
# Ugly kludge for kernels that can't report OEM Strings DMI information:
ifeq ($(shell grep -q DMI_DEV_TYPE_OEM_STRING $(KSRC)/include/linux/dmi.h || echo 1),1)
ifeq ($(shell sudo /usr/sbin/dmidecode | grep -q dmidecode || echo 1),1)
$(error Could not run /usr/sbin/dmidecode. Must be root or get sudo password to do that.)
endif
GEN_DMI_DECODE_PATCH= \
cat $(PWD)/diff/dmi-decode-and-save-oem-string-information.patch | \
{ [ -f $(KSRC)/drivers/firmware/dmi_scan.c ] && cat || \
perl -pe 's@drivers/firmware/dmi_scan.c@arch/i386/kernel/dmi_scan.c@g'; }
DMI_EC_OEM_STRING:=$(shell sudo /usr/sbin/dmidecode | grep 'IBM ThinkPad Embedded Controller')
dmi_ec_oem_string.h: $(KSRC)/include/linux/dmi.h
@echo 'WARNING: Your kernel does not have this patch applied:' >&2
@echo ' dmi-decode-and-save-oem-string-information.patch' >&2
@echo ' So I am hard-coding machine-specific DMI information into your driver.' >&2
echo '/* This is machine-specific DMI information. */' > $@
echo '#define DMI_EC_OEM_STRING_KLUDGE "$(DMI_EC_OEM_STRING)"' >> $@
else
NO_DMI_KLUDGE_DIFF=$(PWD)/diff/thinkpad_ec-no-dmi-kludge.diff
GEN_DMI_DECODE_PATCH=cat /dev/null
dmi_ec_oem_string.h: $(KSRC)/include/linux/dmi.h
echo '/* Intentionally empty. You have proper DMI OEM Strings. */' > $@
endif
#####################################################################
# Generate a stand-alone kernel patch
TP_VER := ${shell sed -ne 's/^\#define TP_VERSION \"\(.*\)\"/\1/gp' tp_smapi.c}
ORG := a
NEW := b
PATCH := tp_smapi-$(TP_VER)-for-$(KVER).patch
BASE_IN_PATCH := 1
SMAPI_IN_PATCH := 1
HDAPS_IN_PATCH := 1
patch:
TMPDIR=`mktemp -d /tmp/tp_smapi-patch.XXXXXX` &&\
echo "Work directory: $$TMPDIR" &&\
cd $$TMPDIR &&\
mkdir -p $(ORG)/$(TP_DIR) &&\
mkdir -p $(ORG)/$(IDIR) &&\
mkdir -p $(ORG)/drivers/hwmon &&\
cp $(KSRC)/$(TP_DIR)/{Kconfig,Makefile} $(ORG)/$(TP_DIR) &&\
cp $(KSRC)/drivers/hwmon/{Kconfig,hdaps.c} $(ORG)/drivers/hwmon/ &&\
cp -r $(ORG) $(NEW) &&\
\
if [ "$(BASE_IN_PATCH)" == 1 ]; then \
patch --no-backup-if-mismatch -s -d $(NEW) -i $(PWD)/diff/Kconfig-thinkpad_ec.diff -p1 &&\
cp $(PWD)/thinkpad_ec.c $(NEW)/$(TP_DIR)/thinkpad_ec.c &&\
cp $(PWD)/thinkpad_ec.h $(NEW)/$(IDIR)/thinkpad_ec.h &&\
patch --no-backup-if-mismatch -s -d $(NEW)/$(TP_DIR) -i $(PWD)/diff/thinkpad_ec-no-dmi-kludge.diff -p1 &&\
sed -i -e '$$aobj-$$(CONFIG_THINKPAD_EC) += thinkpad_ec.o' $(NEW)/$(TP_DIR)/Makefile \
; fi &&\
\
if [ "$(HDAPS_IN_PATCH)" == 1 ]; then \
cp $(PWD)/hdaps.c $(NEW)/drivers/hwmon/ &&\
patch --no-backup-if-mismatch -s -d $(NEW) -i $(PWD)/diff/Kconfig-hdaps-select-thinkpad_ec -p1 \
; fi &&\
\
if [ "$(SMAPI_IN_PATCH)" == 1 ]; then \
sed -i -e '$$aobj-$$(CONFIG_TP_SMAPI) += tp_smapi.o' $(NEW)/$(TP_DIR)/Makefile &&\
cp $(PWD)/tp_smapi.c $(NEW)/$(TP_DIR)/tp_smapi.c &&\
patch --no-backup-if-mismatch -s -d $(NEW) -i $(PWD)/diff/Kconfig-tp_smapi.diff -p1 &&\
mkdir -p $(NEW)/Documentation &&\
perl -0777 -pe 's/\n(Installation\n---+|Conflict with HDAPS\n---+|Files in this package\n---+|Setting and getting CD-ROM speed:\n).*?\n(?=[^\n]*\n-----)/\n/gs' $(PWD)/README > $(NEW)/Documentation/tp_smapi.txt \
; fi &&\
\
{ diff -dNurp $(ORG) $(NEW) > patch \
|| [ $$? -lt 2 ]; } &&\
$(GEN_DMI_DECODE_PATCH) >> patch &&\
{ echo "Generated for $(KVER) in $(KSRC)"; echo; diffstat patch; echo; echo; cat patch; } \
> $(PWD)/${PATCH} &&\
rm -r $$TMPDIR
@echo -e "\nPatch file created:\n ${PATCH}"
@echo -e "To apply, use:\n patch -p1 -d ${KSRC} < ${PATCH}"
#####################################################################
# Tools for preparing a release. Ignore these.
set-version:
perl -i -pe 's/^(tp_smapi version ).*/$${1}$(VER)/' README
perl -i -pe 's/^(#define TP_VERSION ").*/$${1}$(VER)"/' thinkpad_ec.c tp_smapi.c
else
#####################################################################
# This part runs as a submake in kernel Makefile context:
CFLAGS := $(CFLAGS) -I$(M)/include
obj-m := $(TP_MODULES)
endif