fbset.init

   1 #!/bin/sh
   2 # $Id$
   3 #
   4 # fbset:        Sets up fbcon video modes.
   5 #
   6 #
   7 # chkconfig:    2345 69 31
   8 # description:  fbset is a utility with which fbcons video modes can be read \
   9 #               and changed
  10 #
  11 # config:       /etc/sysconfig/fbset
  12
  13 # Get service config
  14 if [ -f /etc/sysconfig/fbset ]; then
  15         . /etc/sysconfig/fbset
  16 fi
  17
  18 if [ -z "${FBMODULE}" ]; then
  19         case "$1" in
  20         start|stop|restart|force-reload)
  21                 exit 0
  22                 ;;
  23         esac
  24 fi
  25
  26 # Source function library
  27 . /etc/rc.d/init.d/functions
  28
  29 # Setting default depth
  30 if [ -n "${DEPTH}" ]; then
  31         DEPTH_options="-depth ${DEPTH}"
  32 fi
  33
  34 if [ -z "${FBDEV_NUM}" ]; then
  35         FBDEV_NUM=0
  36 fi
  37
  38 start() {
  39         # Check if service is already running?
  40         if [ ! -f /var/lock/subsys/fbset ]; then
  41
  42                 # Check if we have framebuffer in kernel.
  43                 local load_fbmodule=1
  44                 if [ -f /proc/fb ]; then
  45                         # /proc files show as files with size=0, this is a workaround.
  46                         grep -q '.' /proc/fb && load_fbmodule=0
  47                 fi
  48
  49                 if [ "$load_fbmodule" = "1" ]; then
  50                         modprobe $FBMODULE
  51                 fi
  52
  53                 if [ -n "${FBMODE_default}" ]; then
  54                         show "Setting default video mode"
  55                         busy
  56
  57                         local cons tty devpath
  58                         # check if devfs
  59                         if [ -d /dev/vc ]; then
  60                                 if [ -z "$FBTERMINALS" ]; then
  61                                         FBTERMINALS=$(ls /dev/vc/)
  62                                 fi
  63                                 FBDEV=/dev/fb/$FBDEV_NUM
  64                                 devpath=/dev/vc/
  65                         else
  66                                 if [ -z "$FBTERMINALS" -a -d /dev/.udev ]; then
  67                                         FBTERMINALS=$(ls /dev/vcsa* | awk '{print substr($0, length("/dev/vcsa") + 1)}')
  68                                 fi
  69                                 if [ -z "$FBTERMINALS" -a -d /sys/class/vc ]; then
  70                                         FBTERMINALS=$(ls -d /sys/class/vc/vcsa* | awk '{print substr($0, length("/sys/class/vc/vcsa") + 1)}')
  71                                 fi
  72                                 if [ -z "$FBTERMINALS" ]; then
  73                                         FBTERMINALS=$(awk -F: '/^[0-9]*:/{print $1}' /etc/inittab)
  74                                 fi
  75                                 FBDEV=/dev/fb$FBDEV_NUM
  76                                 devpath=/dev/tty
  77                         fi
  78
  79                         # save old tty number
  80                         tty=$(/usr/bin/tty)
  81                         tty=${tty#$devpath}
  82
  83                         for cons in $FBTERMINALS; do
  84                                 /usr/bin/con2fb $FBDEV $cons
  85                                 /usr/bin/switchto $cons
  86                                 /usr/bin/fbset -fb \
  87                                   $FBDEV $DEPTH_options $FBMODE_default \
  88                                   0<>/dev/tty$cons >&0 2>&0
  89                         done
  90                         [ $tty = "/dev/console" ] && tty=1
  91                         /usr/bin/switchto $tty
  92                         ok
  93                 fi
  94                 touch /var/lock/subsys/fbset
  95         else
  96                 msg_already_running fbset
  97         fi
  98 }
  99
 100 stop() {
 101         if [ -f /var/lock/subsys/fbset ]; then
 102                 rm -f /var/lock/subsys/fbset
 103         else
 104                 msg_not_running fbset
 105         fi
 106 }
 107
 108 # See how we were called.
 109 case "$1" in
 110   start)
 111         start
 112         ;;
 113   stop)
 114         stop
 115         ;;
 116   status)
 117         # Check if we have framebuffer in kernel.
 118         if [ -f /proc/fb ] && grep -q . /proc/fb; then
 119                 nls "Frame buffer present."
 120                 exit 0
 121         fi
 122
 123         nls "Frame buffer not present."
 124         exit 3
 125         ;;
 126   restart|force-reload)
 127         stop
 128         start
 129         ;;
 130   *)
 131         msg_usage "$0 {start|stop|restart|force-reload|status}"
 132         exit 3
 133 esac
 134
 135 exit 0