#!/bin/sh
# fglrx   An ATi official driver automatic install script
#
# Usage: fglrx <name_of_ati_package_rpm> 
#
# Exit codes:
# 0 - everything worked perfectly
# 1 - the lunch is wrong - empty line or non-rpm package, or not running as root
# 2 - kernel module compile failed
# 3 - kernel module install failed
#
# The comments are rare, process is mostly described in information for user
#
# (c) 2005, Sergew Popov
# (c) 2005, Vector Linux
# License: GNU GPL


if [[ `whoami` != "root" ]]
    then
	echo
	echo "You need to be root to install these drivers"
	exit 1
fi

if [ -n "$1" ]
then
    file=$1
    extension=".rpm"
    file=${file/.rpm/}       #getting the package's name without ending '.rpm'
    if [[ $1 = $file ]]
    then
	echo "The usage is:"
        echo
	echo "fglrx_installer <name_of_ati_package_rpm>"
        echo "fglrx_installer fglrx_6_8_0-8.16.20-1.i386.rpm , for instance"
        echo
        echo "Just give us a package, and we will do all the rest"
	exit 1
    else
	echo
	echo "Well, we can start installing.."
	echo
	echo "First of all we are going to convert .rpm to a native Slackware type, .tgz"
	echo "Due to the big size of the package, convertation may last long."
        rpm2tgz $file.rpm
	echo "Here it is: $file.tgz"
	echo
	echo "Now we are installing it with usual installpkg."
	installpkg $file.tgz > /dev/null
	echo
	echo "The convertation is not lossless. The installer scripts and permissions are lost in it."
	echo "It is an obvious thing, no need to panic. We will bring everything back to normal."
	cd /lib/modules/fglrx
	echo
    	echo "We are now in $PWD. That is where drivers files are installed."
	echo "The permissions are need to be set.."
	echo
	echo "chmod 700 make_install.sh"
	chmod 700 make_install.sh
	echo "chmod 700 ./build_mod/make.sh"
	chmod 700 ./build_mod/make.sh
	cd ./build_mod
	echo
	echo "********************************************************************"
	echo
	echo "Now the most important part - we are making the module."
	echo "Everything is going to be fine, if you use a standard VL kernel."
	echo "If not - well, if compile fails, we'll tell you, what can cause it. "
	echo
	echo "Good luck and here we go!"
	echo
	sleep 3
	echo "exit 0" >> make.sh	# All the exits in this script have 1 value and are errors
	sh make.sh
	if [[ $? = "0" ]]
	    then
		echo
		echo "********************************************************************"
		echo
		echo "We've made it!!!"
		echo
		echo "Now the last part - installing it."
		echo
		echo "Trying to unload all drivers, that can interfere."
		echo
		echo "modprobe -r fglrx"
		modprobe -r fglrx > /dev/null
		echo "modprobe -r radeon"
		modprobe -r radeon > /dev/null
		echo "modprobe -r agpgart"
		modprobe -r agpgart > /dev/null
		echo
		if [[ `lsmod | grep agpgart` || `lsmod | grep radeon`  || `lsmod | grep fglrx` ]]
		    then
			echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
			echo
			echo "Failed to remove modules!"
			echo "We will try to install, though, but.."
			echo
		    else
			echo "Good, we've unloaded them all"
			echo
		fi
		sleep 3
		cd ..
		sh make_install.sh
		if [[ $? = "0" ]]
		    then
			echo
			echo "********************************************************************"
			echo
			echo "That went fine!"
			echo
			echo "Now we are adding a special /dev/shm in your fstab to make your 3D work"
			echo
			echo "tmpfs /dev/shm tmpfs defaults 0 0" >> /etc/fstab
			mount /dev/shm
			mount | grep "shm"
			echo
			echo "We are almost there!"
			echo "And the last part - configuring X.org"
			echo
			echo "We are running fglrxconfig now, please, answer all questions."
			echo "And, of course, answer 'yes' to the question, if to write a new xorg.conf file."
			echo
			echo "Your old config is being backupped to xorg.conf.prefglrx"
			echo
			cp /etc/X11/xorg.conf /etc/X11/xorg.conf.prefglrx
			echo
			sleep 3
			echo "tmpfs /dev/shm tmpfs defaults 0 0" >> /etc/fstab
			mount /dev/shm
			fglrxconfig
			echo
			echo "********************************************************************"
			echo
			echo "The kmown issue of fglrxconfig is that it does not set the xkb settings right,"
			echo "so you have to alter xkb section manually. For example, if you want Russian, add: "
			echo
			echo "Option \"XkbLayout\"\"us,ru(winkeys)\""
			echo "Option \"XkbOptions\"\"grp:alt_shift_toggle,grp_led:scroll\""			
			echo
			echo "If you don't want nothing, just exit the editor."
			sleep 7
			mcedit /etc/X11/xorg.conf
			echo
			echo "********************************************************************"
			echo
			echo "Now you are ready to try the new configuration. For it, you have to reload X-server."
			echo
			echo "If you are in graphical mode, press Ctrl+Alt+Backspace to reload the server"
			echo "Note, it will close all programs, running in X-mode!"
			echo
			echo "If you are in text mode, you can start graphical mode by changing runlevel to graphical."
			echo "init 4 , and you will have those flying penguins. Or you can just startx to run the"
			echo "that is written in your .xinitrc"
			echo
			echo "There is a possibility, that even now X-server would not run."
			echo "Then you will have to edit xorg.conf once again and change BusID from 1:0:1 to 1:0:0"
			echo "Or vice-versa ;) . and try again."
			echo
			echo "If nothing happens - feel free to write the author at faijeya<at>gmail.com"
			echo "Or ask for advice in the VectorLinux forum (http://vectorlinux.com/forum/)"
			echo
			echo
			echo "Don't forget to launch glxinfo | grep render, fglrxinfo and fgl_glxgears or some UT2004))"
			echo
			echo
			echo "Good luck!"
			exit 0											
		    else		# Failed to install module
			echo
			echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
			echo
			echo "Looks like we have not managed to install module."
			echo "Boot in text mode (init 2) and run the script again, that can help."
			echo "If nothing happens - please, report the author at faijeya<at>gmail.com,"
			echo "or in the VectorLinux forum (http://vectorlinux.com/forum/)"
			echo
			echo "By the way, make sure you have ATi card ;-)"
			exit 3
		fi
		
	    else			# Failed to build module
		echo
		echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
		echo
		echo "Something went wrong. Remember, you always have the standard kernel"
		echo
		echo "Make sure, that you have: "
		echo " - /dev/agpgart"
		echo " - your chipset's agpgart driver"
		echo " - direct rendering manager"
		echo " - radeon's drm driver"
		echo "compuled as modules, not into the kernel!"
		echo
		echo "Also, driver won't compile, if you are using too new kernel."
		echo "It affects nVidia proprietary too. Usually you need to run a kernel, "
		echo "that numbers is less than the brand new one by one or two."
		echo
		echo "Solve this problem and return back."
		echo
		echo "Luck to you!"
		exit 2
	fi
    fi
else
    echo "The usage is:"
    echo
    echo "fglrx_installer <name_of_ati_package_rpm>"
    echo "fglrx_installer fglrx_6_8_0-8.16.20-1.i386.rpm , for instance"
    echo
    echo "Just give us a package, and we will do all the rest"
    exit 1
fi