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authorMichael Büsch <mb@bu3sch.de>2008-07-20 19:34:09 +0000
committerMichael Büsch <mb@bu3sch.de>2008-07-20 19:34:09 +0000
commit204728376c1d9bc86939269ac79209a1a2cb8fc6 (patch)
treece7ad1f51bb9fb12d86ebd98a34be1cb88333d1c /package/mmc_over_gpio/files
parentd7bdc375604b6466af7978a9ecc526af62e77524 (diff)
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Update gpiommc to use configfs
SVN-Revision: 11887
Diffstat (limited to 'package/mmc_over_gpio/files')
-rw-r--r--package/mmc_over_gpio/files/mmc_over_gpio.init47
1 files changed, 43 insertions, 4 deletions
diff --git a/package/mmc_over_gpio/files/mmc_over_gpio.init b/package/mmc_over_gpio/files/mmc_over_gpio.init
index 57c5695..e276dfd 100644
--- a/package/mmc_over_gpio/files/mmc_over_gpio.init
+++ b/package/mmc_over_gpio/files/mmc_over_gpio.init
@@ -2,20 +2,59 @@
# Copyright (C) 2008 OpenWrt.org
START=90
-SYSFS="/sys"
-SYSFS_DRIVERDIR="$SYSFS/bus/platform/drivers/gpiommc"
+CONFIGFS_DIR="/config/gpiommc"
# add_device(name, DI_pin, DO_pin, CLK_pin, CS_pin, mode)
add_device() {
- echo -n "$1" "$2" "$3" "$4" "$5" "$6" > $SYSFS_DRIVERDIR/add
+ local dir="$CONFIGFS_DIR/$1"
+
+ mkdir $dir
+ [ $? -eq 0 ] || return 1
+ echo $2 > $dir/gpio_data_in
+ [ $? -eq 0 ] || return 1
+ echo $3 > $dir/gpio_data_out
+ [ $? -eq 0 ] || return 1
+ echo $4 > $dir/gpio_clock
+ [ $? -eq 0 ] || return 1
+ echo $5 > $dir/gpio_chipselect
+ [ $? -eq 0 ] || return 1
+ echo $6 > $dir/spi_mode
+ [ $? -eq 0 ] || return 1
+ # XXX We have more config options available. Use defaults for now.
+
+ echo 1 > $dir/register
+ [ $? -eq 0 ] || return 1
+
+ return 0
}
# remove_device(name)
remove_device() {
- echo -n "$1" > $SYSFS_DRIVERDIR/remove
+ local dir="$CONFIGFS_DIR/$1"
+
+ rmdir $dir
+}
+
+mount_configfs() {
+ # FIXME: This should probably be done somewhere else.
+ mount | grep configfs
+ if [ $? -eq 0 ]; then
+ # already mounted
+ return 0
+ fi
+ mkdir -p /config
+ [ $? -eq 0 ] || return 1
+ mount configfs -t configfs /config
+ [ $? -eq 0 ] || return 1
+
+ return 0
}
start() {
+ # Make sure configfs is mounted
+ mount_configfs
+ [ $? -eq 0 ] || return 1
+
#FIXME we should use a config file, but I dunno how that parser works.
add_device "default" 5 4 3 7 0
}