#!/bin/sh
#
# Description:  universal (distro independent) hardware autoconfiguration 
#		script for linux diskless clients, using hwconfig from 
#		knoppix as base tool 
#
# Author(s):    Dirk von Suchodoletz <dirk@goe.net>, 06-02-2006
#		Blabla
#		Blub
#
# Copyright:    (c) 2003 - 2006 - RZ Universitaet Freiburg
#
# Version:      0.3.1a

# local functions used within hwautocfg
displaysetup () {
local xfc=$1
# define some defaults
local HSYNCRANGE="31.5-63.5"
local VSYNCRANGE="60-90"
local MAXRES="1024x768"
local DEFAULTCOLORDPT=24
# set variables representing the xorg.conf sections (version 6.8.x)
local Module='\tLoad\t\t"dbe"\n
\tLoad\t\t"extmod"\n
\tLoad\t\t"type1"\n
\tLoad\t\t"speedo"\n
\tLoad\t\t"freetype"\n
\tLoad\t\t"v4l"'
local ServerFlags='\tOption\t\t"AllowMouseOpenFail"\n
\tOption\t\t"blank time"\t\t"5"\n
\tOption\t\t"standby time"\t\t"10"\n
\tOption\t\t"suspend time"\t\t"15"\n
\tOption\t\t"off time"\t\t"20"'
local Files='\tRgbPath\t\t"/usr/X11R6/lib/X11/rgb"\n
\tModulePath\t"/etc/X11/modules"\n
\tModulePath\t"/usr/X11R6/lib/modules"\n
\tFontPath\t"/usr/X11R6/lib/X11/fonts/misc/:unscaled"\n
\tFontPath\t"/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"\n
\tFontPath\t"/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"'
local InputDevice='\tIdentifier\t"Keyboard1"\n
\tDriver\t\t"keyboard"\n
\tOption\t\t"XkbRules"\t\t"xfree86"\n
\tOption\t\t"XkbLayout"\t\t"XKEYBOARD"\n
\tOption\t\t"XkbModel"\t\t"pc105"'
local InputMouseDef='\tIdentifier  "Mouse1"\n
\tDriver\t\t"mouse"\n
\tOption\t\t"Protocol"\t\t"imps/2"\n
\tOption\t\t"Device"\t\t"/dev/input/mice"\n
\tOption\t\t"Emulate3Buttons"\n
\tOption\t\t"ZAxisMapping"\t\t"4 5"\n
\tOption\t\t"Buttons"\t\t"3"'
local Monitor='\tIdentifier "Default"\n
\tModelName\t"MODEL"\n
\tOption\t"CalcAlgorithm"\t"CheckDesktopGeometry"\n
\tHorizSync\tHS\n
\tVertRefresh\tVS\n
\tUseModes\t"Default"\n
\tOption\t"DPMS"\t"true"'
local Modes='\tIdentifier "Default"'
local Modelines='
\t# crt modelines (refreshrates should be above 72Hz or enable uncommented lines)\n
\tModeline "640x400"    25.175 640  664  760  800  400  409  411  450\n
\tModeline "640x400"    31.5   640  672 736   832  400  401  404  445\n
\tModeline "640x480"     31.50   640  680  720  864   480  488  491  521\n
\tModeline "640x480"     45.80   640  672  768  864   480  488  494  530\n
\tModeline "800x600"     50.00   800  856  976 1040   600  637  643  666\n
\tModeline "800x600"     69.65   800  864  928 1088   600  604  610  640\n
\t#Modeline "1024x768"    44.90  1024 1048 1208 1264   768  776  784  817 interlace\n
\tModeline "1024x768"    80.00  1024 1052 1164 1360   768  784  787  823\n
\tModeline "1024x768"    86.00  1024 1040 1152 1360   768  784  787  823\n
\tModeline "1024x768"    98.90  1024 1056 1216 1408   768  782  788  822\n
\tModeline "1024x768"   115.50  1024 1056 1248 1440   768  771  781  802\n
\tModeline "1152x864"    92.00  1152 1208 1368 1474   864  865  875  895\n
\tModeline "1152x864"   110.00  1152 1240 1324 1552   864  864  876  908\n
\tModeline "1280x960"   112.00  1280 1312 1456 1704   960  963  970 1064\n
\tModeline "1280x960"   142.00  1280 1312 1456 1712   960  963  970 1064\n
\tModeline "1280x1024"  145.00  1280 1312 1456 1712  1024 1027 1030 1064\n
\tModeline "1280x1024"  157.50  1280 1344 1504 1728  1024 1025 1028 1072\n
\tModeline "1400x1050"  180.00  1400 1472 1672 1880  1050 1052 1055 1100\n
\tModeline "1600x1200"  202.50  1600 1664 1856 2160  1200 1201 1204 1250\n
\t# tft modlines (refreshrates of 60Hz schould be ok)\n
\tModeline "lcd1024x768"    67.90  1024 1052 1164 1360   768  784  787  823\n
\tModeline "lcd1280x1024"  108.00  1280 1328 1440 1688  1024 1025 1028 1066\n
\tModeline "lcd1400x1050"  160.00  1400 1472 1672 1880  1050 1052 1055 1100'
local Device='\tIdentifier\t"StdGraphics"\n
\tVendorName\t"XDESC"\n
\tDriver\t\t"XMODULE"'
local Screen='\tIdentifier\t"Screen 1"\n
\tDevice\t\t"StdGraphics"\n
\tMonitor\t\t"Default"\n
\tDefaultColorDepth CDP'
local ServerLayout='\tIdentifier\t"Simple Layout"\n
\tScreen\t"Screen 1"\n
\tInputDevice "Keyboard1"\t"CoreKeyboard"\n
\tInputDevice "Mouse1"\t"CorePointer"\n
\tOption\t"BlankTime"\t"5"\n
\tOption\t"StandbyTime"\t"10"\n
\tOption\t"SuspendTime"\t"20"\n
\tOption\t"OffTime"\t"30"'
local DRI='\tGroup\t\t"video"\n
\tMode\t\t0666'

if [ -n "$hw_graphic" ] ; then
  DRV=${hw_graphic% *}
  CDP=${hw_graphic##* }
  msg="Please check your graphic adaptor settings ($hw_graphic)."
  if [ -z "$DRV" ] ; then error "  Manual configuration of your graphic \
hardware module to set failed.\n  $msg" nonfatal
    XMODULE=DRV
  else
    [ -z "${XMODULE}" ] && XMODULE=vesa
  fi
fi
if [ -z "$CDP" ] ; then error "  Manual configuration of your graphic \
systems color depth failed.\n  $msg" nonfatal
  CDP=${DEFAULTCOLORDPT}
fi

if [ -n "$hw_monitor" ] ; then
  # just cut all starting from k(Hz) ...
  HS=${hw_monitor%k*}
  VS=${hw_monitor%Hz*}
  [ -z "$VS" ] && VS=${hw_monitor%hz*}
  VS=${VS##* }
  MR=${hw_monitor##* }
  msg="Please check your predefined monitor settings ($hw_monitor): Manual\n\
  configurtion of display"
else
  # gather monitor information automatically
  ddcprobe > /tmp/ddcprobe
  msg="Please check the output of ddcprobe. The settings where not \
complete\n  or non existant. The $0 script tried for a fully automatic\n\
  configuration of display"
fi
if [ -z "$HS" ] ; then error "  $msg timings requested but could not \
establish\n  horizontal frequency in kHz." nonfatal
  HS=${HSYNCRANGE}
fi
if [ -z "$VS" ] ; then error "  $msg timings but could not establish \
vertical\n  frequency in Hz." nonfatal
  VS=${VSYNCRANGE}
fi
if [ -z "$MR" ] ; then error "  $msg resolution requested but not \
established." nonfatal
  MR=${MAXRES}
fi


monmanual=yes

# compute max resolution
for res in 640x400 640x480 800x600 1024x768 1280x1024 1400x1050 1600x1200
    do MODES="\"$res\" \"lcd$res\" $MODES"
    [ "$res" = "$MR" ] && break
done

# finally write config file
echo -e "#\n# autogenerated X hardware configuration by $0\n# \
Dirk von Suchodoletz <dirk@goe.net>, $date" >$xfc
echo -e "# DO NOT EDIT THIS FILE BUT '$0' INSTEAD!\n#" \
  >>$xfc
for section in Files ServerFlags Module InputDevice Monitor \
    Modes Screen Device ServerLayout DRI ; do
  echo "Section \"$section\"" >>$xfc
  case "$section" in
    Files)
      echo -e ${Files} >>$xfc
      # check for 64bit CPU/installation (fixme!!)
      [ -n "$amd64" ] && \
        echo '"\tModulePath\t"/usr/X11R6/lib64/modules"\n' >>$xfc
      for i in ${D_XFONTPATH} ; do
        echo -e "\tFontPath\t\"$i/\"" >>$xfc ; done
    ;;
    ServerFlags)  
      echo -e ${ServerFlags} >>$xfc
    ;;
    Device)
      echo -e ${Device} | \
        sed -e "s,XMODULE,${XMODULE}," -e "s%XDESC%${XDESC}%" >>$xfc
            # special options may be needed for some drivers
            [ $DEBUGLEVEL -gt 1 ] && msg "X setup" \
"adding for some Xfree86 modules \
(radeon, s3virge, nvidia) special options to\nthe 'Device' section. Consult \
hwsetup if you like to add more or remove some."
            [ x$DRV = "xs3virge" ] && {
            echo -e "\tOption\t\t\"XVideo\" \"Off\"\n" >>$xfc
            [ $DEBUGLEVEL -gt 1 ] && msg  "X setup" \
"added special option for \
the s3virge module -> 'XVideo Off'. remove the\nappropriate line in hwsetup \
if you like not to use it." ; }
            [ x$DRV = "xnvidia" ] && {
            echo -e "\tOption\t\t\"NvAGP\" \"3\"" >>$xfc
            echo -e "\tOption\t\t\"NoLogo\" \"1\"" >>$xfc
            [ $DEBUGLEVEL -gt 1 ] && msg  "X setup" \
"added special option for \
the nvidia module -> 'NvAGP '. it sets the use\nof internal or external \
agpgart support." ; }
            [ "$busid" ] && {
            echo -e "\tOption\t\t\"BusID\" \"$busid\"" >>$xfc
            [ $DEBUGLEVEL -gt 1 ] && msg  "X setup" \
"added special option for \
the 'BusID' information - it\ndefines the npostion of graphics adaptor in \
pci/agp bus needed for acceleration." ; }
    ;;
    Module)
      echo -e ${Module} >>$xfc
      [ x$DRM = "xyes" ] && \
        echo -e "\tLoad\t\t\"dri\"" >>$xfc
      [ x$GLX != "xno" ] && \
        echo -e "\tLoad\t\t\"glx\"" >>$xfc
    ;;
    Monitor)
      echo -e ${Monitor} | \
        sed -e "s,HS,${HS},g" -e "s,VS,${VS},g" >>$xfc
    ;;
    InputDevice)
      echo -e ${InputDevice} | sed -e "s,XKEYBOARD,${XKEYBOARD},g" \
        >>$xfc
      [ "${XKEYBOARD}" = "de" ] && \
        echo -e '\tOption\t\t"XkbVariant"\t\t"nodeadkeys"' >>$xfc
      echo -e "EndSection\n\nSection \"$section\"" >>$xfc
      echo -e $InputMouseDef >>$xfc
    ;;
    Modes)
      echo -e ${Modes} >>$xfc
      echo -e ${Modelines} >>$xfc
    ;;
    Screen)
      echo -e ${Screen} | sed -e "s,CDP,${CDP}," >>$xfc
      for BPP in 15 16 24 32
        do echo -e '\tSubSection "Display"\n\t\tDepth\t'\
          $BPP'\n\t\tModes\t'$MODES'\n\tEndSubSection' >>$xfc
        [ $BPP = "$CDP" ] && break
      done
    ;;
    ServerLayout)
      echo -e ${ServerLayout} >>$xfc
    ;;
  esac
  echo -e "EndSection\n" >>$xfc
done
# only if X is link itself (normally to /var/X11R6/bin/X) check!!
link=`ls -l /mnt/usr/X11R6/bin/X 2>/dev/null`
if strinstr "/var/X11R6" "$link" ; then
  testmkd /mnt/var/X11R6/bin
  for i in /usr/X11R6/bin/Xorg /usr/X11R6/bin/XFree86 ; do
    [ -e "/mnt/$i" ] && { ln -sf $i /mnt/var/X11R6/bin/X; break; }
  done
fi
}

#######################################################################
# script starts here

# functions common for all distros
. /etc/functions
# load distro specific configuration variables and functions. distro
# specific functions may overwrite functions defined in /etc/functions
. /etc/sysconfig/config
. /etc/distro-functions

# heavy debugging output in level 3 and above ...
[ $DEBUGLEVEL -gt 2 ] && set -x

# set X11 configuration file
if [ -n "${D_XF86CONFFILE}" ] ; then
  D_XF86CONFFILE="/mnt/${D_XF86CONFFILE}"
else
  D_XF86CONFFILE="/mnt/etc/X11/xorg.conf"
  error "  You should define the variable D_XF86CONFFILE in yours distro \
configuration\n  file" nonfatal
fi

# USB core is needed for presence of /proc/bus/usb
modprobe ${MODPRV} usbcore &

# load kernel module for ps2 mice
[ -f /lib/modules/${KERNEL}/kernel/drivers/input/mouse/psmouse.ko ] && \
  modprobe ${MODPRV} psmouse

# and map the mousehandler to /dev/input/mice
[ -f /lib/modules/${KERNEL}/kernel/drivers/input/mousedev.ko ] && \
  modprobe ${MODPRV} mousedev

# start the knoppix hardware autodetection tool
( hwsetup -v > /tmp/hwsetup.info && echo "hwsetup" > /tmp/hwrun1 ) &

# ACPI configuration - at least not needed with SuSE 9.3/10.0
#if [ -d /proc/acpi ]; then
#  if ! strinstr "noacpi" ${KCMDLINE} || \
#    ! strinstr "acpi=off" ${KCMDLINE} ; then
#    found=""
#    for acpi in /lib/modules/$KERNEL/kernel/drivers/acpi/*; do
#      acpi=`basename acpi`
#      case "$acpi" in *_acpi)
#        egrep -qi "${basename%%_acpi}" /proc/acpi/dsdt 2>/dev/null || continue ;;
#      esac
#    modprobe $basename >/dev/null 2>&1 && echo -n " ${YELLOW}$basename${GREEN}" && found="yes"
#    done
#  fi
#fi


# AGP configuration (agpgart and chipset specific driver)
modprobe ${MODPRV} agpgart || \
    modprobe ${MODPRV} agpgart agp_try_unsupported=1

# wait for /tmp/hwsetup.info to appear
waitfor /tmp/hwrun1 50000 || \
  error "  Expected information from hwsetup to appear in \
/tmp/hwsetup.info.\n  Unable to configure parts of the systems hardware. \
Please check that\n  hwsetup is properly installed and executable."

# "drivers" (pseudo, placeholder strings, ...) to exclude from loading
DRIVERLIST=" disabled unknown ignore pcspkr synaptics keybdev"
# driver blacklist (real modules which fail to load)
DRIVERLIST=${DRIVERLIST}" hw_random ichxrom"
# load ide drivers first, takes a while to initialize
for DRIVER in cmd64x hpt366 piix slc90e66 cs5520 it821x rz1000 \
    triflex aec62xx cs5530 ns87415 sc1200 trm290 alim15x3 \
    cy82c693 opti621 serverworks via82cxxx amd74xx pdc202xx_new \
    siimage atiixp hpt34x pdc202xx_old sis5513; do
  strinfile " ${DRIVER}" /tmp/hwsetup.info && {
    IDE="yes"
    modprobe ${MODPRV} ${DRIVER} &
    DRIVERLIST="${DRIVERLIST} ${DRIVER}"; }
done
# check for IDE/SCSI (SATA) - incomplete list
for DRIVER in ata_piix sata_via sata_nv; do
  strinfile " ${DRIVER}" /tmp/hwsetup.info && {
    #SCSIIDE="yes"
    modprobe ${MODPRV} ${DRIVER} &
    DRIVERLIST="${DRIVERLIST} ${DRIVER}"; }
done
# check for USB, pcmcia and ieee1394 hardware drivers
for DRIVER in ohci-hcd uhci-hcd ehci-hcd ohci1394; do
  strinfile " ${DRIVER}" /tmp/hwsetup.info && {
    USB="yes"
    modprobe ${MODPRV} ${DRIVER}
    DRIVERLIST="${DRIVERLIST} ${DRIVER}"; }
done
# load usbhid (for USB keyboard/mouse) or remove usbcore module if USB 
# not present
if [ -n "$USB" ] ; then
  modprobe ${MODPRV} usbhid &
else rmmod usbcore
fi
# remove unneeded network card modules
for DRIVER in ${NWMODULES}; do
  strinfile " ${DRIVER}" /tmp/hwsetup.info || {
    rmmod ${DRIVER}
    DRIVERLIST="${DRIVERLIST} ${DRIVER}"; }
done
# sound card setup (alsa and oss compatibility drivers)
if [ -f /etc/sysconfig/sound ] ; then
  . /etc/sysconfig/sound
else DRIVER="snd-dummy"
fi
modprobe ${MODPRV} ${DRIVER}
DRIVERLIST="${DRIVERLIST} ${DRIVER} "
modprobe -a ${MODPRV} snd_pcm_oss snd_mixer_oss
# check for PCMCIA / cardbus stuff
for DRIVER in yenta_socket i82365 pd6729 tcic; do
  strinfile ${DRIVER} /tmp/hwsetup.info && {
    modprobe ${MODPRV} ${DRIVER}
    DRIVERLIST="${DRIVERLIST} ${DRIVER}"
    PCMCIA="yes"; }
done
if [ -n "${PCMCIA}" ] ; then
  #echo "pcmcia=\"yes\"" > config
  modprobe ${MODPRV} ds
fi
# remaining drivers listed in /tmp/hwsetup.info
cat /tmp/hwsetup.info| while read LINE ; do
  if strinstr "driver:" "${LINE}"; then
    DRIVER=${LINE##driver: }
    if ! strinstr " ${DRIVER} " "${DRIVERLIST}"; then
      strinstr "Card:" "${DRIVER}" || strinstr "ps/2" "${DRIVER}" || {
        modprobe ${MODPRV} ${DRIVER} &
        usleep 10; }
      DRIVERLIST="${DRIVERLIST} ${DRIVER}"
    fi
  fi
done
# rerun the knoppix hardware autodetection tool for USB and ide devices
# like dvd or harddisk - wait a few seconds so hopefully the ide driver
# is initialized 
test -f /proc/bus/usb/devices || mount -n -t usbfs usbfs /proc/bus/usb
usleep 10 && hwsetup -v > /tmp/hwsetup.info
# check if USB mouse and/or keyboard is connected and remove usbhid if
# not
strinfile "genericwheelusb" /tmp/hwsetup.info || \
  strinfile "keybdev" /tmp/hwsetup.info || rmmod usbhid

# load IDE high level drivers
if [ -n "$IDE" ] ; then
  # you might want to check /etc/sysconfig/floppy for more info
  strinfile "ZIP" /tmp/hwsetup.info && modprobe ${MODPRV} ide_floppy
  strinfile "CDROM" /tmp/hwsetup.info && modprobe ${MODPRV} ide_cd
  strinfile "HD" /tmp/hwsetup.info && modprobe ${MODPRV} ide_disk &
fi
# not rather precise ...
if strinfile "SCSI" /tmp/hwsetup.info ; then
  strinfile "CDROM" /tmp/hwsetup.info && modprobe -a ${MODPRV} sr_mod sg
  strinfile "HD" /tmp/hwsetup.info && modprobe ${MODPRV} sd_mod &
fi

# cdrom/dvd und plattenkonfig. ergaenzen. Module sind hier geladen und
# devices sind klar

# fixme - psmouse entladen, falls nicht vorhanden

# configure some variables from configuration file - wait for dhcp or ldap
# confiurator to complete
waitfor /tmp/dhcp-done 10000 || error "  Did not get any configuration \
data via dhcp until now ..." nonfatal
waitfor /tmp/ldap-done 10000 || error "  Did not get any configuration \
data via ldap until now ..." nonfatal
. /etc/machine-setup
# wait for completion of clients root filesystem in /mnt
waitfor /tmp/fscmpl 40000
# run localizator and configure keyboard and console fonts
DEFKEYTABLE="de-latin1-nodeadkeys"
localization $country
if [ -z "${KEYTABLE}" ] ; then
  msg "Keyboard setup" "No settings found for keyboard, using default of \
'${DEFKEYTABLE}' defined\nin $0."
  KEYTABLE=${DEFKEYTABLE}
fi
echo -e "\t# entry added by $0: $date" \
  >>/mnt/etc/${D_INITDIR}/boot.ld
echo -e "\tloadkeys -q ${KEYTABLE}\n" >>/mnt/etc/${D_INITDIR}/boot.ld
[ -n "${CONSOLE_FONT}" ] && consolefont
# run X11 / Xorg configurator
. /etc/sysconfig/xserver >/dev/null 2>&1 || error "  The xserver \
configuration file generated by hwsetup could not\n  be found." nonfatal
displaysetup ${D_XF86CONFFILE}

echo "finished" > /tmp/hwcfg