dahdi-tools/xpp/xpp_fxloader

368 lines
8.3 KiB
Plaintext
Raw Normal View History

#!/bin/bash
# xpp_fxloader: load Xorcom Astribank (XPP) firmware
# $Id$
#
# Written by Tzafrir Cohen <tzafrir.cohen@xorcom.com>
# Copyright (C) 2006-2009, Xorcom
#
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#
# This script can be run manually or from hotplug/udev.
#
# Firmware files should be located in $FIRMWARE_DIR which defaults:
# 1. /usr/share/dahdi
# 2. Can be overidden by setting $FIRMWARE_DIR in the environment
# 3. Can be overidden by setting $FIRMWARE_DIR in /etc/dahdi/init.conf
#
# Manual Run
# ##########
#
# path/to/xpp_fxloader load
#
# Make sure the firmware files are in $FIRMWARE_DIR
#
set -e
# Make sure fxload is in the path:
PATH="$PATH:/usr/local/sbin:/sbin:/usr/sbin"
export PATH
me=`basename $0`
dir=`dirname $0`
PATH="$dir:$PATH"
DEFAULTS="/etc/dahdi/init.conf"
if [ -t 2 ]; then
LOGGER="logger -i -t '$me' -s"
else
LOGGER="logger -i -t '$me'"
fi
debug() {
[ "$DEBUG" != "" ] && $LOGGER "$@"
return 0
}
USBFS_PREFIX=/proc/bus/usb
DEVUSB_PREFIX=/dev/bus/usb
USB_PREFIX=
FIRMWARE_DIR="${FIRMWARE_DIR:-/usr/share/dahdi}"
ASTRIBANK_HEXLOAD=${ASTRIBANK_HEXLOAD:-/usr/sbin/astribank_hexload}
ASTRIBANK_TOOL=${ASTRIBANK_TOOL:-/usr/sbin/astribank_tool}
XPP_UDEV_SLEEP_TIME="${XPP_UDEV_SLEEP_TIME:-15}"
USB_FW="${USB_FW:-USB_FW.hex}"
if [ -r "$DEFAULTS" ]; then
. "$DEFAULTS"
fi
if [ "$USB_PREFIX" = '' ]; then
if [ -d "$DEVUSB_PREFIX" ]; then
USB_PREFIX=$DEVUSB_PREFIX
elif [ -r "$USBFS_PREFIX/devices" ]; then
USB_PREFIX=$USBFS_PREFIX
fi
fi
# With Kernels older that 2.6.10 it seems to be possible
# to trigger a race condition by running fxload or fpga_load
# immediately after the detection of the device.
KERNEL_HAS_USB_RACE=0
case "`uname -r`" in 2.6.[89]*) KERNEL_HAS_USB_RACE=1;; esac
sleep_if_race() {
if [ "$KERNEL_HAS_USB_RACE" = '1' ]; then
sleep 2
fi
}
find_dev() {
v_id=$1
p_id=$2
lsusb | tr -d : | awk "/ ID $v_id$p_id/{printf \"$USB_PREFIX/%s/%s \",\$2,\$4}"
}
run_fxload() {
sleep_if_race
fxload -t fx2 $* 2>&1 1>/dev/null | $LOGGER
status=$PIPESTATUS
if [ $status != 0 ]; then
$LOGGER "fxload failed with status $status"
exit 55
fi
}
run_astribank_hexload() {
debug "Running: $ASTRIBANK_HEXLOAD $*"
$ASTRIBANK_HEXLOAD "$@" | $LOGGER
status=$PIPESTATUS
if [ $status != 0 ]; then
$LOGGER "$ASTRIBANK_HEXLOAD failed with status $status"
exit 77
fi
}
run_astribank_tool() {
debug "Running: $ASTRIBANK_TOOL $*"
$ASTRIBANK_TOOL "$@" | $LOGGER
status=$PIPESTATUS
if [ $status != 0 ]; then
$LOGGER "$ASTRIBANK_TOOL failed with status $status"
exit 77
fi
}
load_usb_fw() {
v_id=$1
p_id=$2
fw=$3
devices=`find_dev $v_id $p_id`
for dev in $devices
do
ver=$(awk '/\$Id:/ { print $4 }' $FIRMWARE_DIR/$fw)
debug "USB Firmware $FIRMWARE_DIR/$fw (Version=$ver) into $dev"
run_fxload -D $dev -I $FIRMWARE_DIR/$fw || exit 1
done
}
load_fw_device() {
dev=$1
fw=$2
debug "FPGA loading $fw into $dev"
run_astribank_hexload -D "$dev" -F "$FIRMWARE_DIR/$fw"
pic_files=`echo "$FIRMWARE_DIR"/PIC_TYPE_[1-4].hex`
debug "PIC burning into $dev: $pic_files"
run_astribank_hexload -D "$dev" -p $pic_files
run_astribank_tool -D "$dev" -n # Do renumeration!
debug "PIC burning finished $pic_files"
}
#
# Use in manual loading. Parallelize loading
# firmwares to all of our devices
#
firmware_by_id() {
v_id=$1
p_id=$2
fw=$3
devices=`find_dev $v_id $p_id`
childs=""
for dev in $devices
do
(
set -e
load_fw_device "$dev" "$fw"
sleep_if_race
) &
childs="$childs $!"
sleep 0.4
done
# Wait for specific childs to get their exit status
wait $childs
}
numdevs() {
v_ids="$1"
p_ids="$2"
for v in $v_ids
do
(
for p in $p_ids
do
find_dev $v $p
done
)
done | wc -w
}
wait_renumeration() {
num="$1"
v_ids="$2"
p_ids="$3"
while
n=`numdevs "$v_ids" "$p_ids"`
[ "$num" -gt "$n" ]
do
echo -n "."
sleep 1
done
echo "Got all $num devices"
}
reset_fpga() {
totaldevs=`numdevs e4e4 '11[3456][0123]'`
devices=`find_dev e4e4 '11[3456][12]'`
debug "Reseting devices [$totaldevs devices]"
for dev in $devices
do
debug "Resetting FPGA Firmware on $dev"
sleep_if_race
run_astribank_tool -D "$dev" -r full 2>&1 >/dev/null
done
if [ "$1" = 'wait' ]; then
wait_renumeration $totaldevs e4e4 '11[3456][03]'
fi
}
usage() {
echo "$0: Astribank firmware loading script."
echo "Usage: "
echo "$0 load : manual firmware loading."
echo "$0 usb : manual firmware loading: USB firmware only."
echo "$0 help : this text."
}
# We have a potential astribank
astribank_is_starting -a
#########################
##
## Manual run
##
# to run manually, pass the parameter 'xppdetect'
case "$1" in
udev)
# Various kernel versions use different sets of variables.
# Here we want to make sure we have 'DEVICE' and 'PRODUCT' set
# up. DEVICE is now deprecated in favour of DEVNAME. It will
# likely to contain an invalid name if /proc/bus/usb is not
# mounted. So it needs further cooking.
DEVICE="${DEVNAME:-$DEVICE}"
case "$DEVICE" in /proc/*) DEVICE="/dev${DEVICE#/proc}" ;; esac
# PRODUCT contains 'vendor_id'/'product_id'/'version' . We
# currently pass it as a parameter, but might as well get it
# from the envirnment.
PRODUCT="${PRODUCT:-$2}"
# skip on to the rest of the script. Don't exit.
;;
reset-wait)
reset_fpga wait
;;
reset)
reset_fpga
;;
xppdetect|load|usb)
numdevs=`numdevs e4e4 '11[3456][013]'`
$LOGGER -- "--------- FIRMWARE LOADING: ($1) [$numdevs devices]"
load_usb_fw e4e4 1130 $USB_FW
load_usb_fw e4e4 1140 $USB_FW
load_usb_fw e4e4 1150 $USB_FW
load_usb_fw e4e4 1160 $USB_FW
load_usb_fw e4e4 1163 $USB_FW
wait_renumeration $numdevs e4e4 '11[3456]1'
if [ "$1" != 'usb' ]
then
firmware_by_id e4e4 1131 FPGA_FXS.hex
firmware_by_id e4e4 1141 FPGA_1141.hex
firmware_by_id e4e4 1151 FPGA_1151.hex
firmware_by_id e4e4 1161 FPGA_1161.hex
wait_renumeration $numdevs e4e4 '11[3456]2'
fi
sleep 3 # Let it stabilize
$LOGGER -- "--------- FIRMWARE IS LOADED"
exit 0
;;
help)
usage
exit 0
;;
*)
if [ "$ACTION" = '' ]; then # not called from hotplug
echo "$0: Error: unknown command \"$1\""
echo ''
usage
exit 1
fi
;;
esac
#########################
##
## Hotplug run
##
# allow disabling automatic hotplugging:
if [ "$XPP_HOTPLUG_DISABLED" != '' ]; then
$LOGGER -p kern.info "Exiting... XPP_HOTPLUG_DISABLED"
exit 0
fi
if [ "$ACTION" != add ]; then
exit 0;
fi
# This procedure is run in the background to do the actual work of loading the
# firmware. Running it in the background allows udev to continue doing other tasks
# and thus provide a faster startup.
#
# On some systems (e.g. CentOS 5) we get the relevant udev event before the device
# file is ready. Which is why we want the background process to wait a bit first.
udev_delayed_load() {
sleep 0.2
# Make sure the new device is writable:
usb_dev_writable=0
for i in `seq $XPP_UDEV_SLEEP_TIME`; do
if [ -w "$DEVICE" ]; then
usb_dev_writable=1;
break;
fi
sleep 1
done
if [ $usb_dev_writable != 1 ]; then
$LOGGER "Device $DEVICE not writable. Can't load firmware."
return;
fi
$LOGGER "Trying to find what to do for product $PRODUCT, device $DEVICE"
prod_id=`echo "$PRODUCT" | cut -d/ -f2`
case "$PRODUCT" in
e4e4/11[3456]0/*|e4e4/1163/*)
FIRM_USB="$FIRMWARE_DIR/$USB_FW"
$LOGGER "Loading firmware '$FIRM_USB' into '$DEVICE'"
run_fxload -D "$DEVICE" -I "$FIRM_USB"
;;
e4e4/11[3456]1/*)
# There are potentially two separate udev events, for
# each of the two endpoints. Ignore the first interface:
case "$DEVPATH" in *.0) exit 0;; esac
if [ "$prod_id" = 1131 ]; then
FIRM_FPGA="FPGA_FXS.hex" # Legacy
else
FIRM_FPGA="FPGA_$prod_id.hex"
fi
sleep_if_race
load_fw_device "$DEVICE" "$FIRM_FPGA"
;;
esac
}
udev_delayed_load &