#!/bin/bash

# Simple PCI module finder
# Checks the system and prints the possible modules for PCI
# devices. It DOES NOT install them

# pci-modules.sh
# Written by Dennis Leeuw
# (c) 2003, 2004, License GPL version 2.0 or later
# Version 1.1.0

# Set all vars
LSPCI="/usr/bin/lspci"
UNAME="/bin/uname"
KERNEL_VERSION=`${UNAME} -r`

PCI_LIST=`$LSPCI -n 2>/dev/null`
IFS=$'\n'

for LINE in ${PCI_LIST}; do
	SLOT=${LINE%% Class*}
	SLOT=${SLOT#0000:}
	SLOT_ENTRY=`$LSPCI -s ${SLOT} 2>/dev/null`
	SLOT_ENTRY=${SLOT_ENTRY#*: }

	CLASS=${LINE#*Class }
	CLASS_NUM=${CLASS%%:*}
	
	PCIMAP_DEVICE=${CLASS##*:}
	PCIMAP_DEVICE=${PCIMAP_DEVICE%% *}
	PCIMAP_VENDOR=${CLASS%:*}
	PCIMAP_VENDOR=${PCIMAP_VENDOR##* }
	
	# Make 8 byte address
	for (( I=${#PCIMAP_DEVICE}; $I < 8; I=$(($I+1)) )); do
		PCIMAP_DEVICE="0${PCIMAP_DEVICE}"
	done
	for (( I=${#PCIMAP_VENDOR}; $I < 8; I=$(($I+1)) )); do
		PCIMAP_VENDOR="0${PCIMAP_VENDOR}"
	done
	
	# Make Hex
	PCIMAP_DEVICE="0x${PCIMAP_DEVICE}"
	PCIMAP_VENDOR="0x${PCIMAP_VENDOR}"

	# Find module
	MODULES=`cat /lib/modules/${KERNEL_VERSION}/modules.pcimap | grep ${PCIMAP_VENDOR} | grep ${PCIMAP_DEVICE} | awk '{print $1}'`
	if [ "x$MODULES" != "x" ]; then
		echo "Setting up $SLOT_ENTRY"

		for MODULE in $MODULES; do
			echo $MODULE
		done
	fi
done