diff options
Diffstat (limited to 'package/mmc_over_gpio/files/mmc_over_gpio.init')
| -rw-r--r-- | package/mmc_over_gpio/files/mmc_over_gpio.init | 47 |
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 57c5695d1..e276dfd1c 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 } |