recipes-graphics/libgles/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 sgxprepare () {
  34         echo Starting PVR
  35         insmod $(busybox find /lib/modules/$(uname -r) -name "pvrsrvkm.ko")
  36         modprobe omaplfb
  37         modprobe bufferclass_ti
  38
  39         pvr_maj=`grep "pvrsrvkm$" /proc/devices | cut -b1,2,3`
  40         bc_maj=`grep "bc" /proc/devices | cut -b1,2,3`
  41
  42         if [ -e /dev/pvrsrvkm ] ; then
  43                 rm -f /dev/pvrsrvkm
  44         fi
  45
  46         mknod /dev/pvrsrvkm c $pvr_maj 0
  47         chmod 666 /dev/pvrsrvkm
  48
  49         touch /etc/powervr-esrev
  50
  51         SAVED_ESREVISION="$(cat /etc/powervr-esrev)"
  52 }
  53
  54 sgxfinish () {
  55         if [ "${ES_REVISION}" != "${SAVED_ESREVISION}" ] ; then
  56                 echo -n "Starting SGX fixup for"
  57                 echo " ES${ES_REVISION}.x"
  58                 cp -a /usr/lib/ES${ES_REVISION}.0/* /usr/lib
  59                 cp -a /usr/bin/ES${ES_REVISION}.0/* /usr/bin
  60                 echo "${ES_REVISION}" > /etc/powervr-esrev
  61         fi
  62         /usr/bin/pvrsrvinit
  63 }
  64
  65 case $CPUTYPE in
  66 "OMAP3530")
  67         sgxprepare
  68
  69         devmem2 0x48004B48 w 0x2 > /dev/null
  70         devmem2 0x48004B10 w 0x1 > /dev/null
  71         devmem2 0x48004B00 w 0x2 > /dev/null
  72
  73         ES_REVISION="$(devmem2 0x50000014 | sed -e s:0x00010205:5: -e s:0x00010201:3: -e s:0x00010003:2: | tail -n1 | awk -F': ' '{print $2}')"
  74
  75         sgxfinish
  76         ;;
  77 "TI816x")
  78         sgxprepare
  79
  80         devmem2 0x48180F04 w 0x0 > /dev/null
  81         devmem2 0x48180900 w 0x2 > /dev/null
  82         devmem2 0x48180920 w 0x2 > /dev/null
  83
  84         ES_REVISION="$(devmem2 0x56000014 | sed -e s:0x00010205:6: -e s:0x00010201:3: -e s:0x00010003:2: | tail -n1 | awk -F': ' '{print $2}')"
  85
  86         sgxfinish
  87         ;;
  88 *)
  89         echo No SGX hardware, not starting PVR
  90         ;;
  91 esac
  92
  93