X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=openpandora.oe.git;a=blobdiff_plain;f=recipes%2Fpandora-system%2Fpandora-scripts%2Fop_power.sh;h=35e01cff5181c0d96982a76190ac67f50ed3103b;hp=b2acf744babfcc21bcb09648f1ad77452ace4017;hb=cb697bb996561aaeeb561c1ec54a29e1e7c5fdbd;hpb=0decb5f91810b0eabf857813b2a6ce5857639ceb diff --git a/recipes/pandora-system/pandora-scripts/op_power.sh b/recipes/pandora-system/pandora-scripts/op_power.sh index b2acf74..35e01cf 100644 --- a/recipes/pandora-system/pandora-scripts/op_power.sh +++ b/recipes/pandora-system/pandora-scripts/op_power.sh @@ -1,6 +1,10 @@ #!/bin/bash -( test -e /tmp/op_power.lock && exit 2 ) || touch "/tmp/op_power.lock" +. /usr/pandora/scripts/op_paths.sh + +# XXX: better use lockfile (or something), but it's not in current firmware +test -e /tmp/op_power.lock && exit 2 +touch /tmp/op_power.lock debug(){ return 1 # 0 when debugging, 1 when not @@ -18,64 +22,229 @@ fi debug && echo "powerstate=$powerstate" -lowPowerOn(){ #switch from normal to lowpower mode - cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed - cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness > /tmp/oldbright - pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p') - for PID in $pidlist - do - kill -19 $PID #send SIGSTOP - done - test -f /tmp/hcistate && rm /tmp/hcistate +suspend_net() { hcistate=$(hciconfig hci0 | grep DOWN) if [ $hcistate ]; then echo "down" > /tmp/hcistate else + echo "up" > /tmp/hcistate hciconfig hci0 down fi - test -f /tmp/wlstate && rm /tmp/wlstate wlstate=$(lsmod | grep -m1 wl1251) if [ -z "$wlstate" ]; then echo "down" > /tmp/wlstate else + echo "up" > /tmp/wlstate ifconfig wlan0 down - rmmod board_omap3pandora_wifi wl1251_sdio wl1251 + rmmod board_omap3pandora_wifi 2> /dev/null + rmmod wl1251_sdio wl1251 fi - echo 0 > /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness - echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank - echo 16 > /sys/class/leds/pandora\:\:power/brightness #dim power LED - /usr/pandora/scripts/op_cpuspeed.sh 125 } -lowPowerOff(){ # switch from lowpower to normal mode - oldspeed=$(cat /tmp/oldspeed) - /usr/pandora/scripts/op_cpuspeed.sh $oldspeed - oldbright=$(cat /tmp/oldbright) - maxbright=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/max_brightness) - echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank - sleep 0.1s # looks cleaner, could flicker without - oldspeed=$(cat /tmp/oldspeed) +resume_net() { + hcistate=$(cat /tmp/hcistate) + if [ "$hcistate" = "up" ]; then + hciconfig hci0 up pscan + fi + wlstate=$(cat /tmp/wlstate) + if [ "$wlstate" = "up" ]; then + /etc/init.d/wl1251-init start + fi + rm -f /tmp/hcistate /tmp/wlstate +} + +display_on() { + echo 0 > /sys/class/graphics/fb0/blank + + # only bother restoring brightness if it's 0 + # (old kernel or user messed it up somehow) + brightness=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS) + if [ $brightness -gt 0 ]; then + return 0 + fi + + maxbright=$(cat $SYSFS_BACKLIGHT/max_brightness) + oldbright=0 + if [ -f /tmp/oldbright ]; then + oldbright=$(cat /tmp/oldbright) + fi + if [ $oldbright -eq 0 ]; then + oldbright=$(cat /etc/pandora/conf/brightness.state) + fi if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then /usr/pandora/scripts/op_bright.sh $oldbright else /usr/pandora/scripts/op_bright.sh $maxbright fi - hcistate=$(cat /tmp/hcistate) - if [ ! $hcistate ]; then - hciconfig hci0 up pscan +} + +display_off() { + brightness=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS) + if [ $brightness -gt 0 ]; then + echo $brightness > /tmp/oldbright fi - wlstate=$(cat /tmp/wlstate) - if [ -z "$wlstate" ]; then - /etc/init.d/wl1251-init start + kernel_major=`uname -r | cut -c 1` + if [ "$kernel_major" = "2" ]; then + echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS fi + + echo 1 > /sys/class/graphics/fb0/blank +} + +lowPowerOn(){ #switch from normal to lowpower mode + display_off + + pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p') + for PID in $pidlist + do + kill -STOP $PID + done + + suspend_net + + cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed + /usr/pandora/scripts/op_cpuspeed.sh -n 125 +} + +lowPowerOff(){ # switch from lowpower to normal mode + oldspeed=$(cat /tmp/oldspeed) + /usr/pandora/scripts/op_cpuspeed.sh -n $oldspeed + rm -f /tmp/oldspeed + + display_on + resume_net + pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p') for PID in $pidlist do - kill -18 $PID #send SIGCONT + kill -CONT $PID done echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright } +display_on_with_checks() { + # after turning on the display, we don't want lowpower state + # (which could be active because of some races) + if [ "$powerstate" = "buttonlowpower" -o "$powerstate" = "lidlowpower" -o \ + -e /tmp/oldspeed ] + then + lowPowerOff + else + display_on + fi +} + +show_message() { + # TODO: check if desktop is visible; maybe use layer3? + xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}') + cmd="DISPLAY=:0.0 zenity --info --text \"$1\" --timeout 10" + su -c "$cmd" $xfceuser +} + +suspend_real() { + delay=0 + + if ! [ -e /sys/power/state ]; then + # no kernel suspend support + return 1 + fi + + current_now="$(cat /sys/class/power_supply/bq27500-0/current_now)" + + if [ $current_now -gt 0 ]; then + return 1 + #don't suspend while unit is charging + fi + + # can't suspend while SGX is in use due to bugs + # (prevents low power states and potential lockup) + if lsof -t /dev/pvrsrvkm > /dev/null; then + return 1 + fi + + if ! grep -q 'mmc_core.removable=0' /proc/cmdline; then + # must unmount cards because they will be "ejected" on suspend + # (some filesystems may even deadlock if we don't do this due to bugs) + mounts="$(grep "/dev/mmcblk" /proc/mounts | awk '{print $1}' | xargs echo)" + for mnt in $mounts; do + if ! umount $mnt; then + show_message "Could not unmount $mnt, using partial suspend only" + return 1 + fi + done + swaps="$(grep "/dev/mmcblk" /proc/swaps | awk '{print $1}' | xargs echo)" + for swp in $swaps; do + if ! swapoff $swp; then + show_message "Could not unmount $swp, using partial suspend only" + return 1 + fi + done + else + if [ ! -e /etc/pandora/suspend-warned ]; then + show_message "Pandora will now suspend.\n\n\ +Please do not remove SD cards while pandora is suspended, doing so will corrupt them." + touch /etc/pandora/suspend-warned + fi + fi + + # FIXME: fix the kernel and get rid of this + suspend_net + + # get rid of modules that prevent suspend due to bugs + modules="$(lsmod | awk '{print $1}' | xargs echo)" + blacklist="g_zero g_audio g_ether g_serial g_midi gadgetfs g_file_storage + g_mass_storage g_printer g_cdc g_multi g_hid g_dbgp g_nokia g_webcam g_ncm g_acm_ms + ehci_hcd bridgedriver" + restore_list="" + for mod in $modules; do + if echo $blacklist | grep -q "\<$mod\>"; then + restore_list="$restore_list $mod" + rmmod $mod + delay=1 # enough? + fi + done + + sleep $delay + sync + echo mem > /sys/power/state + + # if we are here, either we already resumed or the suspend failed + if [ -n "$restore_list" ]; then + modprobe $restore_list + fi + + display_on + resume_net + echo 255 > /sys/class/leds/pandora\:\:power/brightness + + # wait here a bit to prevent this script from running again (keep op_power.lock) + # in case user did resume using the power switch. + sleep 2 + + return 0 +} + +suspend_() { + # dim power LED + echo 16 > /sys/class/leds/pandora\:\:power/brightness + + if suspend_real; then + # resumed already + powerstate="on" + else + lowPowerOn + fi +} + +resume() { + if [ "$powerstate" = "on" ]; then + # nothing to do + echo "resume called unexpectedly" >&2 + else + lowPowerOff + fi +} + shutdown(){ # warns the user and shuts the pandora down xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}') time=5 @@ -95,41 +264,17 @@ shutdown(){ # warns the user and shuts the pandora down fi } -displayOn(){ # turns the display on - #echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank - #sleep 0.1s # looks cleaner, could flicker without - maxbright=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/max_brightness) - oldbright=0 - if [ -f /tmp/oldbright ]; then - oldbright=$(cat /tmp/oldbright) - fi - if [ $oldbright -eq 0 ]; then - oldbright=$(cat /etc/pandora/conf/brightness.state) - fi - if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then - /usr/pandora/scripts/op_bright.sh $oldbright - else - /usr/pandora/scripts/op_bright.sh $maxbright - fi -} - -displayOff(){ # turns the display off - brightness=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness) - if [ $brightness -gt 0 ]; then - echo $brightness > /tmp/oldbright - fi - echo 0 > /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness - #echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank -} - if [[ "$2" == "" ]]; then if [[ "$1" -le 2 ]]; then # power button was pressed 1-2sec, "suspend" if [[ "$powerstate" == "buttonlowpower" ]]; then - (debug && echo "lowPowerOff") || lowPowerOff + (debug && echo "resume") || resume powerstate="on" elif [[ "$powerstate" == "on" ]]; then - (debug && echo "lowPowerOn") || lowPowerOn powerstate="buttonlowpower" + (debug && echo "suspend") || suspend_ + elif [[ "$powerstate" == "liddisplayoff" ]]; then + powerstate="buttonlowpower" + (debug && echo "suspend") || suspend_ fi elif [[ "$1" -ge 3 ]]; then # power button was pressed 3 sec or longer, shutdown if [[ "$powerstate" == "on" ]]; then @@ -141,11 +286,11 @@ elif [[ "$2" == "lid" ]]; then if [[ "$powerstate" == lid* ]]; then case "$lidconfig" in "lowpower") - (debug && echo "lowPowerOff") || lowPowerOff + (debug && echo "resume") || resume powerstate="on" ;; *) - (debug && echo "displayOn") || displayOn + (debug && echo "display_on") || display_on_with_checks powerstate="on" ;; esac @@ -157,18 +302,30 @@ elif [[ "$2" == "lid" ]]; then (debug && echo "shutdown") || shutdown ;; "lowpower") - (debug && echo "lowPowerOn") || lowPowerOn powerstate="lidlowpower" + (debug && echo "suspend") || suspend_ ;; *) - (debug && echo "displayOff") || displayOff + (debug && echo "display_off") || display_off powerstate="liddisplayoff" ;; esac fi fi - fi +elif [[ "$2" == "screensaver" ]]; then + # warning: don't try to interact with X or do real suspend here - + # will cause various deadlocks + unset DISPLAY + + if [[ "$1" == 0 ]]; then # deactivate screensaver + display_on_with_checks + powerstate="on" + elif [[ "$1" == 1 ]]; then # activate screensaver + display_off + fi +fi + debug && echo "powerstate=$powerstate" echo "$powerstate" > /tmp/powerstate - +rm -f /tmp/op_power.lock