recipes/powervr-drivers/libgles-omap3/rc.pvr

   1 #!/bin/sh
   2 PATH=$PATH:/usr/sbin
   3
   4 BITSPERPIXEL="$(fbset | grep geom | awk '{print $6}')"
   5 YRES="$(fbset | grep geom | awk '{print $3}')"
   6
   7 CPUTYPE="$(cputype)"
   8
   9 if [ "$1" = "" ]; then
  10         echo PVR-INIT: Please use start, stop, or restart.
  11         exit 1
  12 fi
  13
  14 if [ "$1" = "stop" -o  "$1" = "restart" ]; then
  15         echo Stopping PVR
  16         rmmod bufferclass_ti
  17         rmmod omaplfb 2>/dev/null
  18         rmmod pvrsrvkm 2>/dev/null
  19 fi
  20
  21 if [ "$1" = "stop" ]; then
  22         exit 0
  23 fi
  24
  25 # Set RGBA ordering to something the drivers like
  26 if [ "$BITSPERPIXEL" = "32" ] ; then
  27         fbset -rgba 8/16,8/8,8/0,8/24
  28 fi
  29
  30 # Try to enable triple buffering when there's enough VRAM
  31 fbset -vyres $(expr $YRES \* 3)
  32
  33 if [ $CPUTYPE = "OMAP3530" ]; then
  34         echo Starting PVR
  35         insmod $(busybox find /lib/modules/$(uname -r) -name "pvrsrvkm.ko")
  36         #modprobe bc_example
  37         modprobe omaplfb
  38         modprobe bufferclass_ti
  39
  40         pvr_maj=`grep "pvrsrvkm$" /proc/devices | cut -b1,2,3`
  41         bc_maj=`grep "bc" /proc/devices | cut -b1,2,3`
  42
  43         if [ -e /dev/pvrsrvkm ] ; then
  44                 rm -f /dev/pvrsrvkm
  45         fi
  46
  47         mknod /dev/pvrsrvkm c $pvr_maj 0
  48         chmod 666 /dev/pvrsrvkm
  49
  50         if [ -e /dev/bc_cat ] ; then
  51                 rm -f /dev/bc_cat
  52         fi
  53
  54         mknod /dev/bc_cat c $bc_maj 0
  55         chmod 666 /dev/bc_cat
  56
  57         touch /etc/powervr-esrev
  58
  59         SAVED_ESREVISION="$(cat /etc/powervr-esrev)"
  60
  61         devmem2 0x48004B48 w 0x2 > /dev/null
  62         devmem2 0x48004B10 w 0x1 > /dev/null
  63         devmem2 0x48004B00 w 0x2 > /dev/null
  64
  65         ES_REVISION="$(devmem2 0x50000014 | sed -e s:0x10205:5: -e s:0x10201:3: -e s:0x10003:2: | tail -n1 | awk -F': ' '{print $2}')"
  66
  67         if [ "${ES_REVISION}" != "${SAVED_ESREVISION}" ] ; then
  68                 echo -n "Starting SGX fixup for"
  69                 echo " ES${ES_REVISION}.x"
  70                 cp -a /usr/lib/ES${ES_REVISION}.0/* /usr/lib
  71                 cp -a /usr/bin/ES${ES_REVISION}.0/* /usr/bin
  72                 echo "${ES_REVISION}" > /etc/powervr-esrev
  73         fi
  74         /usr/bin/pvrsrvinit
  75 else
  76         echo No SGX hardware, not starting PVR
  77 fi
  78