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#!/bin/sh
PATH=$PATH:/usr/sbin
BITSPERPIXEL="$(fbset | grep geom | awk '{print $6}')"
YRES="$(fbset | grep geom | awk '{print $3}')"
CPUTYPE="$(cputype)"
if [ "$1" = "" ]; then
echo PVR-INIT: Please use start, stop, or restart.
exit 1
fi
if [ "$1" = "stop" -o "$1" = "restart" ]; then
echo Stopping PVR
rmmod bufferclass_ti
rmmod omaplfb 2>/dev/null
rmmod pvrsrvkm 2>/dev/null
fi
if [ "$1" = "stop" ]; then
exit 0
fi
# Set RGBA ordering to something the drivers like
if [ "$BITSPERPIXEL" = "32" ] ; then
fbset -rgba 8/16,8/8,8/0,8/24
fi
# Try to enable triple buffering when there's enough VRAM
fbset -vyres $(expr $YRES \* 3)
if [ $CPUTYPE = "OMAP3530" ]; then
echo Starting PVR
insmod $(busybox find /lib/modules/$(uname -r) -name "pvrsrvkm.ko")
modprobe omaplfb
modprobe bufferclass_ti
pvr_maj=`grep "pvrsrvkm$" /proc/devices | cut -b1,2,3`
bc_maj=`grep "bc" /proc/devices | cut -b1,2,3`
if [ -e /dev/pvrsrvkm ] ; then
rm -f /dev/pvrsrvkm
fi
mknod /dev/pvrsrvkm c $pvr_maj 0
chmod 666 /dev/pvrsrvkm
touch /etc/powervr-esrev
SAVED_ESREVISION="$(cat /etc/powervr-esrev)"
devmem2 0x48004B48 w 0x2 > /dev/null
devmem2 0x48004B10 w 0x1 > /dev/null
devmem2 0x48004B00 w 0x2 > /dev/null
ES_REVISION="$(devmem2 0x50000014 | sed -e s:0x10205:5: -e s:0x10201:3: -e s:0x10003:2: | tail -n1 | awk -F': ' '{print $2}')"
if [ "${ES_REVISION}" != "${SAVED_ESREVISION}" ] ; then
echo -n "Starting SGX fixup for"
echo " ES${ES_REVISION}.x"
cp -a /usr/lib/ES${ES_REVISION}.0/* /usr/lib
cp -a /usr/bin/ES${ES_REVISION}.0/* /usr/bin
echo "${ES_REVISION}" > /etc/powervr-esrev
fi
/usr/bin/pvrsrvinit
else
echo No SGX hardware, not starting PVR
fi
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