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 2>/dev/null
  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 $YRES \* 3)
  32
  33         echo Starting PVR
  34         insmod /lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/pvrsrvkm.ko
  35         insmod /lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/omaplfb.ko
  36         bc_ko="/lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/bufferclass_ti.ko"
  37         if test -f "$bc_ko"; then
  38                 insmod $bc_ko
  39         fi
  40
  41         if ! lsmod | grep -q pvrsrvkm; then
  42                 echo pvrsrvkm failed to load
  43                 exit 1
  44         fi
  45
  46         #pvr_maj=`grep "pvrsrvkm$" /proc/devices | cut -b1,2,3`
  47         #bc_maj=`grep "bc" /proc/devices | cut -b1,2,3`
  48
  49         #if [ -e /dev/pvrsrvkm ] ; then
  50         #       rm -f /dev/pvrsrvkm
  51         #fi
  52
  53         #mknod /dev/pvrsrvkm c $pvr_maj 0
  54         chmod 666 /dev/pvrsrvkm
  55
  56         touch /etc/powervr-esrev
  57
  58         SAVED_ESREVISION="$(cat /etc/powervr-esrev)"
  59
  60         devmem2 0x48004B48 w 0x2 > /dev/null
  61         devmem2 0x48004B10 w 0x1 > /dev/null
  62         devmem2 0x48004B00 w 0x2 > /dev/null
  63
  64         ES_REVISION="$(devmem2 0x50000014 | sed -e s:0x10205:5: -e s:0x10201:3: -e s:0x10003:2: | tail -n1 | awk -F': ' '{print $2}')"
  65
  66         # enable hardware supervised domain power state transition - makes suspend work
  67         devmem2 0x48004B48 w 0x3 > /dev/null
  68
  69         if [ "${ES_REVISION}" != "${SAVED_ESREVISION}" ] ; then
  70                 echo -n "Starting SGX fixup for"
  71                 echo " ES${ES_REVISION}.x"
  72                 cp -a /usr/lib/ES${ES_REVISION}.0/* /usr/lib
  73                 cp -a /usr/bin/ES${ES_REVISION}.0/* /usr/bin
  74                 echo "${ES_REVISION}" > /etc/powervr-esrev
  75         fi
  76         /usr/bin/pvrsrvinit