#!/sbin/runscript
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo/src/livecd-tools/autoconfig,v 1.49 2005/11/22 16:21:56 wolf31o2 Exp $

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

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

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

depend() {
	need modules
	before net
#	provide gpm pcmcia apmd acpid coldplug hdparm alsasound 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)"

	echo ${svcs}
}

# Only used on SGI CDs, this determines:
# A) CPU Type
# B) System
detect_mips() {
	local cpuinfo="$(awk -F: '/^cpu model/{printf $2};/^$/{print ""}' /proc/cpuinfo 2>/dev/null | head -n 1 | cut -d" " -f2,3)"
	local machinfo="$(awk -F: '/^system type/{printf $2};/^$/{print ""}' /proc/cpuinfo 2>/dev/null | cut -d" " -f2-)"
	local machtype=""

	case "${machinfo}" in
		"SGI Indy")
			machtype="SGI Indy" # Indy R4x00/R5000
		;;
		"SGI Indigo2")
			case "${cpuinfo}" in
				R4*)
					machtype="SGI Indigo2" # I2 R4x00
				;;
				R8*)
					machtype="SGI Indigo2 Power" # I2 R8000
				;;
				R10*)
					machtype="SGI Indigo2 Impact" # I2 R10000
				;;
			esac
			;;
		"SGI O2"|"SGI IP32")
			machtype="SGI O2" # O2 R5K/RM5K2/RM7K/R10K/R12K
		;;
		"SGI Octane"|"SGI IP30")
			machtype="SGI Octane" # Octane R10K/R12K/R14K
		;;
		"SGI Origin"|"SGI IP27")
			machtype="SGI Origin" # Origin R10K/R12K
		;;
		*)
			machtype="Unknown SGI MIPS" # ???
		;;
	esac

	PC="Detected an ${machtype} w/ ${numcpu} ${cpuinfo} ${bit}"
}

detect_x86_amd64() {
	local cpuinfo="$(awk -F: '/^model name/{printf $2};/^$/{print ""}' /proc/cpuinfo 2>/dev/null | head -n 1)"
	local mhz="$(awk -F: '/^cpu MHz/{printf " %dMHz",int($2)};/^$/{print ""}' /proc/cpuinfo 2>/dev/null | head -n 1)"

	PC="Detected ${numcpu} ${cpuinfo} ${mhz} ${bit}"
}

start() {
	echo "0" > /proc/sys/kernel/printk
	get_config
	if [ "${DETECT}" = "yes" ]
	then
		ebegin "Hardware detection started"
			local numcpu="$(awk -F: '/^processor/{printf $2};/^$/{print ""}' /proc/cpuinfo 2>/dev/null | wc -l)"
			local arch="$(uname -m)"
			local ismips="no"
			[ "${numcpu}" -gt '1' ] && bit="CPUs" || bit="CPU"
			case ${arch} in
				mips|mips64)
					detect_mips
					ismips="yes"
				;;
				i?86|x86_64)
					detect_x86_amd64
				;;
				*)
					PC="$(awk -F: '/^processor/{printf "Processor"$2" is"};/^model name/{printf $2};/^vendor_id/{printf vendor};/^cpu MHz/{printf " %dMHz",int($2)};/^cache size/{printf ","$2" Cache"};/^$/{print ""}' /proc/cpuinfo 2>/dev/null)"
				;;
			esac
			einfo "${PC}"
			[ -x /usr/sbin/hwsetup ] && hwsetup -p >/dev/null
		eend
	else
		ewarn "Hardware detection disabled via cmdline ..."
	fi

	if [ "${APM}" = "yes" ]
	then
		modprobe apm power_off=1 >/dev/null 2>&1 && \
			einfo "APM BIOS found, power management functions enabled ..."
		[ -x /etc/init.d/apmd ] && start_service apmd
	else
		[ "${ismips}" = "no" ] && ewarn "Not Loading APM Bios support ..."
	fi

	if [ "${ACPI}" = "yes" ]
	then
		modprobe processor >/dev/null 2>&1 && \
			ebegin "ACPI power management functions enabled" && \
			modprobe thermal >/dev/null
		modprobe fan >/dev/null 2>&1
		modprobe button >/dev/null 2>&1
		modprobe battery >/dev/null 2>&1
		modprobe ac >/dev/null 2>&1
		[ -x /etc/init.d/acpid ] && start_service acpid
		eend
	else
		[ "${ismips}" = "no" ] && ewarn "Not Loading ACPI support ..."
	fi

	if [ "${IDEDMA}" = "yes" ]
	then
		if [ "${ismips}" = "no" ]; then
			[ -x /etc/init.d/hdparm ] && start_service hdparm
		fi
	fi

	if [ "${PCMCIA}" = "yes" ]
	then
		einfo "PCMCIA enabled via cmdline ..."
		[ -x /etc/init.d/pcmcia ] && start_service pcmcia
	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
		ewarn "Skipping DHCP broadcast detection as requested on boot commandline ..."
	fi

	# Read in what hwsetup has found
	[ -f /etc/sysconfig/knoppix ] && . /etc/sysconfig/knoppix
	[ -f /etc/sysconfig/gentoo ] && . /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
			[ $(grep "#MOUSE=${MOUSETYPE}" /etc/conf.d/gpm) ] \
				&& sed -i "\@MOUSE=${MOUSETYPE}@s@^#@@" /etc/conf.d/gpm \
				|| echo "MOUSE=${MOUSETYPE}" >>/etc/conf.d/gpm

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

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

	if [ "${HOTPLUG}" = "yes" ]
	then
		# Check whether we should be using hotplug or coldplug
		if [ -x /etc/init.d/coldplug ]
		then
			start_service coldplug
		elif [ -x /etc/init.d/hotplug ]
		then
			start_service hotplug
		fi
	else
		ewarn "Hotplug disabled via cmdline ..."
	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 ..."
				dhcpcd -n -h $(hostname) &
			fi
		done
	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 $(cat /proc/asound/cards | cut -d" " -f1)
				do
					if [ -d /proc/asound/card$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

	if [ "${DETECT}" = "yes" ]
	then
		[ -x /etc/init.d/x-setup ] && schedule_service_startup x-setup
	fi

	[ "${X11}" = "no" ] && touch /etc/init.d/.noxdm
	[ -n "${XDESC}" ] && einfo "VideoCard:   ${HILITE}${XDESC}${NORMAL}"

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

# vim: ts=4