#!/sbin/runscript

# This script is used by Gentoo release media to start certain services and to
# ensure a sane setup for a CD-based boot.

ACPI="no"
ALSA="yes"
APM="no"
DETECT="yes"
DHCP="yes"
GPM="yes"
HOTPLUG="yes"
IDEDMA="yes"
NFS="yes"
PCMCIA="yes"
SSHD="no"
X11="yes"

get_config() {
	CMDLINE="$(cat /proc/cmdline)"

	for x in ${CMDLINE} ; do
		case "${x}" in
			nodetect)
				ACPI="no"
				ALSA="no"
				APM="no"
				DETECT="no"
				GPM="no"
				HOTPLUG="no"
				NFS="no"
				X11="no"
			;;
			nodhcp)
				DHCP="no"
			;;
			nogpm)
				GPM="no"
			;;
			nohotplug)
				HOTPLUG="no"
			;;
			nonfs)
				NFS="no"
			;;
			nosound)
				ALSA="no"
			;;
			nox)
				X11="no"
			;;
			ide\=nodma)
				IDEDMA="no"
			;;
			doapm)
				ACPI="no"
				APM="yes"
			;;
			acpi\=on|acpi\=force)
				ACPI="yes"
				APM="no"
			;;
			dopcmcia)
				PCMCIA="yes"
			;;
			dosshd)
				SSHD="yes"
			;;
		esac
	done
}

depend() {
	need modules
	before net
#	provide gpm pcmcia apmd acpid coldplug hdparm alsasound mkxf86config x-setup
}

# Checks whether a service will be started by autoconfig.
# Usage: check_svc var service [service_alternative]
check_svc() {
	if [ "${1}" = "yes" ]
	then
		if [ -x "/etc/init.d/${2}" ]
		then
			echo "${2}"
		elif [ -n "${3}" -a -x "/etc/init.d/${3}" ]
		then
			echo "${3}"
		fi	
	fi	
}

# Prints an ordered list of services that will be started by autoconfig.
list_services() {
	get_config

	local svcs="$(check_svc ${APM} apmd)"
	svcs="${svcs} $(check_svc ${ACPI} acpid)"
	svcs="${svcs} $(check_svc ${IDEDMA} hdparm)"
	svcs="${svcs} $(check_svc ${PCMCIA} pcmcia)"
	svcs="${svcs} $(check_svc ${GPM} gpm)"
	svcs="${svcs} $(check_svc ${HOTPLUG} coldplug hotplug)"
	svcs="${svcs} $(check_svc ${ALSA} alsasound)"
	svcs="${svcs} $(check_svc ${NFS} nfsmount)"
	svcs="${svcs} $(check_svc ${SSH} sshd)"
	svcs="${svcs} $(check_svc ${X11} mkxf86config x-setup)"

	echo ${svcs}
}

unpack_firmware() {
	# This unpacks any firmware tarballs.
	if [ -e /lib/firmware.tar.bz2 ]
	then
		ebegin "Unpacking hotplug firmware"
		tar xjf /lib/firmware.tar.bz2 -C /lib/firmware
		eend 0
	fi
}

get_info() {
	local tmp

	if [ ! -z "${1}" -a ! -z "${2}" ]
	then
		tmp=$(grep "^$1[[:space:]]\+:" /proc/cpuinfo | head -n 1 | cut -d" " -f3-)
		eval "${2}='${tmp}'"
	fi
}

detect_mips() {
	get_info "cpu model" cpuinfo
	get_info "system type" machinfo
	cpuinfo="${cpuinfo%%  FPU*}"

	case "${machinfo}" in
		"SGI Indigo2")
			case "${cpuinfo}" in
				R4*)
					machinfo="SGI Indigo2" # I2 R4x00
				;;
				R8*)
					machinfo="SGI Indigo2 Power" # I2 R8000
				;;
				R10*)
					machinfo="SGI Indigo2 Impact" # I2 R10000
				;;
			esac
		;;
	esac

	PC="Detected an ${machinfo} w/ ${numcpu} ${cpuinfo} CPU(s)"
}

detect_x86_amd64_ia64() {
	if [ "${1}" = "ia64" ]
	then
		get_info "family" cpuinfo
	else
		get_info "model name" cpuinfo
	fi
	get_info "cpu MHz" mhz
	mhz="${mhz%%.*}MHz"

	PC="Detected ${numcpu} ${cpuinfo} CPU(s) @ ${mhz}"
}

detect_alpha() {
	get_info "platform string" machinfo
	get_info "cpu" cpuinfo1
	get_info "cpu model" cpuinfo2
	get_info "cpus detected" numcpu

	PC="Detected ${numcpu} ${cpuinfo1} ${cpuinfo2} CPU(s) in a ${machinfo} system"
}

detect_ppc() {
	get_info "cpu" cpuinfo
	get_info "clock" mhz
	get_info "detected as" machinfo
	machinfo="${machinfo##*\(}"
	machinfo="${machinfo%%\)*}"

	local machtype=""

	case "${machinfo}" in
		"CHRP Pegasos2")
			machtype="Pegasos 2"
			;;
		"CHRP IBM,9124-720")
			machtype="IBM OP720"
			;;
		"iBook 2 rev. 2")
			machtype="Apple iBook G3"
			;;
		"iMac G5"*)
			machtype="Apple iMac G5"
			;;
		"MPC8241")
			machtype="Kurobox"
			;;
		"PowerMac G5")
			machtype="Apple PowerMac G5"
			;;
		"PowerMac G5 Dual Core")
			machtype="Apple PowerMac G5 Dual Core"
			;;
		"PowerMac G4 AGP Graphics")
			machtype="Apple PowerMac G4"
			;;
		"PowerBook Titanium"|'PowerBook G4 15"')
			machtype="Apple Powerbook G4"
			;;
		"Unknown Intrepid-based")
			machtype="Apple Mac-Mini"
			;;
		*)
			machtype="Unknown PPC System"
			;;
	esac

	PC="Detected a(n) ${machtype} w/ ${numcpu} ${cpuinfo} CPU(s)"
}

detect_sparc() {
	get_info "cpu" cpuinfo
	get_info "ncpus active" numcpu
	get_info "ncpus probed" numprobed

	PC="Detected ${numcpu} active ${cpuinfo} CPU(s) of ${numprobed} total"
}

start() {
	echo "0" > /proc/sys/kernel/printk
	get_config

	# First off, we want hotplug/coldplug enabled, so let's re-enable it.
	# We do this even if we aren't starting up the hotplug/coldplug
	# services for the installer.
	sed -i 's/RC_COLDPLUG="no"/RC_COLDPLUG="yes"/' /etc/conf.d/rc
	# Now, we check if we're supposed to run a coldplug script.
	if [ "${HOTPLUG}" = "yes" ]
	then
		# Check whether we should be using hotplug/coldplug or whether we should
		# just let udev do it all.
		if [ -x /etc/init.d/coldplug ]
		then
			start_service coldplug
		elif [ -x /etc/init.d/hotplug ]
		then
			start_service hotplug
		else
			unpack_firmware
			[ -x /sbin/udevtrigger ] && /sbin/udevtrigger
		fi
	else
		ewarn "Hotplug/Coldplug disabled via cmdline ..."
	fi

	if [ "${DETECT}" = "yes" ]
	then
		ebegin "Hardware detection started"
			local numcpu="$(grep -c '^processor[[:space:]]\+:' /proc/cpuinfo)"
			local arch="$(uname -m)"

			case ${arch} in
				mips*)
					detect_mips
					ACPI="no"
					APM="no"
					IDEDMA="no"
				;;
				i?86|x86_64)
					detect_x86_amd64_ia64
				;;
				alpha)
					detect_alpha
					ACPI="no"
					APM="no"
				;;
				sparc*)
					detect_sparc
					ACPI="no"
					APM="no"
				;;
				powerpc*)
					detect_ppc
					ACPI="no"
					APM="no"
				;;
				ia64)
					detect_x86_amd64_ia64 "ia64"
					APM="no"
				;;
				*)
					PC=
				;;
			esac
			[ -n "${PC}" ] && einfo "${PC}"
			[ -x /usr/sbin/hwsetup ] && hwsetup
		eend
	else
		ewarn "Hardware detection disabled via cmdline ..."
	fi

	if [ "${APM}" = "yes" ]
	then
		modprobe apm power_off=1 >/dev/null 2>&1 && \
			einfo "APM BIOS found, power management functions enabled ..."
		[ -x /etc/init.d/apmd ] && start_service apmd
	else
		einfo "Not Loading APM Bios support ..."
	fi

	if [ "${ACPI}" = "yes" ]
	then
		modprobe processor >/dev/null 2>&1 && \
			ebegin "ACPI power management functions enabled" && \
			modprobe thermal >/dev/null
		modprobe fan >/dev/null 2>&1
		modprobe button >/dev/null 2>&1
		modprobe battery >/dev/null 2>&1
		modprobe ac >/dev/null 2>&1
		modprobe thermal >/dev/null 2>&1
		modprobe video >/dev/null 2>&1
		modprobe dock >/dev/null 2>&1
		[ -x /etc/init.d/acpid ] && start_service acpid
		eend
	else
		einfo "Not Loading ACPI support ..."
	fi

	if [ "${IDEDMA}" = "yes" ]
	then
		[ -x /etc/init.d/hdparm ] && start_service hdparm
	else
		ewarn "Disabling IDE DMA support ..."
	fi

	if [ "${PCMCIA}" = "yes" ]
	then
		[ -x /etc/init.d/pcmcia ] && start_service pcmcia
	else
		ewarn "PCMCIA disabled via cmdline ..."
	fi

	if [ "${DHCP}" = "no" ]
	then
		sed -i -e '/^ifconfig_eth.*dhcp.*/ s/^/#/' \
			-e '/^iface_eth.*dhcp.*/ s/^/#/' \
			-e '/^config_eth.*dhcp.*/ s/^/#/' \
			/etc/conf.d/net
		for i in `seq 0 4`
		do
			echo "config_eth${i}=( \"none\" )" >> /etc/conf.d/net
		done
		ewarn "Skipping DHCP broadcast ..."
	fi

	# Read in what hwsetup has found
	[ -f /etc/sysconfig/gentoo ] && source /etc/sysconfig/gentoo

	# Mouse
	if [ -n "${MOUSE_DEVICE}" ]
	then
		einfo "Mouse is ${HILITE}${MOUSE_FULLNAME}${NORMAL} at ${HILITE}${MOUSE_DEVICE}${NORMAL} ..."
		source /etc/sysconfig/mouse
		if [ -x /usr/sbin/gpm ]
		then
			if [ $(grep "#MOUSE=${MOUSETYPE}" /etc/conf.d/gpm) ]
			then
				sed -i "\@MOUSE=${MOUSETYPE}@s@^#@@" /etc/conf.d/gpm
			else
				echo "MOUSE=${MOUSETYPE}" >>/etc/conf.d/gpm
			fi

			if [ $(grep "#MOUSEDEV=${DEVICE}" /etc/conf.d/gpm) ]
			then
				sed -i "\@MOUSEDEV=${DEVICE}@s@^#@@" /etc/conf.d/gpm
			else
				echo "MOUSEDEV=${DEVICE}" >>/etc/conf.d/gpm
			fi

			[ "${GPM}" = "yes" ] \
				&& [ -x /etc/init.d/gpm ] && start_service gpm
		fi
	fi

	[ "${DETECT}" = "no" ] && DHCP="no"
	[ "${DETECT}" = "yes" ] \
		&& NETDEVICES="$(awk -F: '/eth.:|tr.:|ath.:|wlan.:/{print $1}' /proc/net/dev 2>/dev/null)"

	if [ -n "${NETDEVICES}" ]
	then
		for nics in ${NETDEVICES}
		do
			if [ "${DHCP}" = "yes" ]
			then
				einfo "Network device ${HILITE}${nics}${NORMAL} detected, DHCP broadcasting for IP ..."
				if [ -f /var/run/dhcpcd-${nics}.pid ]
				then
					if [ -z "$(/sbin/ifconfig ${nics} | grep 'inet addr')" ]
					then
						kill $(cat /var/run/dhcpcd-${nics}.pid)
						sleep 2
						dhcpcd -n -h $(hostname) ${nics}
					fi
				fi
			fi
		done
		[ "${NFS}" = "yes" ] \
			&& [ -x /etc/init.d/nfsmount ] && start_service nfsmount
		if [ "${SSHD}" = "yes" ]
		then
			# TODO: need to add a password check/warning here
			ewarn "WARNING: You are starting sshd. You need to set a root password!"
			[ -x /etc/init.d/sshd ] && start_service sshd
		fi
	else
		ewarn "No Network device auto detected ..."
	fi

	if [ "${ALSA}" = "yes" ]
	then
		if [ -n "${SOUND_FULLNAME}" -o -n "${SOUND_DRIVER}" ]
		then
			local sndmsg="Soundcard:\n"

			[ -n "${SOUND_FULLNAME}" ] \
				&& sndmsg="${sndmsg}              ${WARN}${SOUND_FULLNAME}\n"
			[ -n "${SOUND_DRIVER}" ] \
				&& sndmsg="${sndmsg}              driver = ${SOUND_DRIVER}\n"

			einfo "${sndmsg}"

			if [ -x /etc/init.d/alsasound ]
			then
				start_service alsasound
			fi

			if [ -e /proc/asound/cards ]
			then
				for i in $(cat /proc/asound/cards | awk '{print $1}' | grep ^[[:digit:]])
				do
					if [ -d /proc/asound/card$i ] && [ -x /usr/bin/amixer ]
					then
						amixer -c $i scontrols > /etc/amixer
						[ -n "$(grep Master /etc/amixer)" ] \
							&& amixer -c $i -q set Master 95% unmute \
							>/dev/null 2>&1
						[ -n "$(grep PCM /etc/amixer)" ] \
							&& amixer -c $i -q set PCM 95% unmute \
							>/dev/null 2>&1
						[ -n "$(grep Mic /etc/amixer)" ] \
							&& amixer -c $i -q set Mic 95% mute cap \
							>/dev/null 2>&1
						[ -n "$(grep Wave /etc/amixer)" ] \
							&& amixer -c $i -q set Wave 95% unmute \
							>/dev/null 2>&1
						[ -n "$(grep Capture /etc/amixer)" ] \
							&& amixer -c $i -q set Capture 95% unmute cap \
							>/dev/null 2>&1
					fi
				done
			fi
		fi
	else
		ewarn "Skipping ALSA detection as requested on command line ..."
	fi

	[ -n "${XDESC}" ] && einfo "VideoCard:   ${HILITE}${XDESC}${NORMAL}"

	if [ "${X11}" = "yes" ]
	then
		if [ -x /etc/init.d/mkxf86config ]
		then
			start_service mkxf86config
		fi
		if [ -x /etc/init.d/x-setup ]
		then
			start_service x-setup
		fi
	else
		touch /etc/init.d/.noxdm
	fi

	killall hwsetup 2>/dev/null
	echo "6" > /proc/sys/kernel/printk
}

# vim: ts=4