#!/bin/sh

# PROVIDE: aureal
# BEFORE: hald
# KEYWORD: nojail
#
# Add the following line to /etc/rc.conf[.local] to enable aureal
#
# aureal_enable="YES"
#
# By default the script automatically detects the right kernel module
# to load, if this fails, you can set "aureal_card" to the right value.
# Possible values are 8810, 8820, and 8830.
#
# If your AMD Athlon system is based on a VIA Apollo KX133 motherboard
# chipset, your system will most certainly lock up shortly after
# you start a playback. To work around this issue please add this following
# line to /etc/rc.conf[.local]:
#
# aureal_viakx133fix="YES"
#

. /etc/rc.subr

name="aureal"
rcvar=${name}_enable

start_cmd="aureal_start"
stop_cmd="aureal_stop"

load_rc_config $name

: ${aureal_enable="NO"}
: ${aureal_card=""}
: ${aureal_viakx133fix="NO"}

aureal_detect()
{
	PCICONF="/usr/sbin/pciconf"
	if [ -z "${aureal_card}" -a -x ${PCICONF} ]; then
		if [ "`${PCICONF} -l 2>&- | grep 0x000312eb`" ]; then
			aureal_card=8810
		elif [ "`${PCICONF} -l 2>&- | grep 0x000112eb`" ]; then
			aureal_card=8820
		elif [ "`${PCICONF} -l 2>&- | grep 0x000212eb`" ]; then
			aureal_card=8830
		fi
	fi

	if [ -z "${aureal_card}" ]; then
		err 1 "Unable to determine your Aureal car type - override it by aureal_card rc variable"
	fi

	PREFIX=%%PREFIX%%
	KMODDIR=%%KMODDIR%%
	DRIVERFILE=snd_au${aureal_card}
}

aureal_start()
{
	aureal_detect
	if [ ! -f ${KMODDIR}/${DRIVERFILE}.ko ]; then
		err 64 "${KMODDIR}/${DRIVERFILE} for ${aureal_card} not found!"
	fi
	if ! kldstat -qm ${DRIVERFILE}; then
		if ! kldload ${KMODDIR}/${DRIVERFILE}.ko; then
			warn 'aureal module failed to load'
			return 1
		fi
	fi

	if checkyesno aureal_viakx133fix; then
		pcisel=`${PCICONF} -l 2>&- | grep ^pcm0 | awk -F: '{ gsub("^[^@]*@", ""); print $1":"$2":"$3 }'`
		if [ -z "$pcisel" ]; then
			warn "Soundcard PCI selector undetermined. Unable to install VIA KX133 workaround. Starting a playback will likely to lock-up your system!"
			return 0
		fi

		oldvalue=`${PCICONF} -r -b $pcisel 0x40 2>&- | sed 's/ *$//'`
		${PCICONF} -w -b $pcisel 0x40 0xff
		newvalue=`${PCICONF} -r -b $pcisel 0x40 2>&- | sed 's/ *$//'`
		info "with VIA KX133 workaround: ${pcisel},0x40: ${oldvalue} -> ${newvalue}"
	fi

	return 0
}

aureal_stop()
{
	aureal_detect
	kldstat -qm ${DRIVERFILE} && kldunload ${DRIVERFILE}

	return 0
}

run_rc_command "$1"