Jesse Gilles bitbake layer for the RS9113

1 files changed, 163 insertions, 0 deletions

diff --git a/recipes-bsp/multitech/mts-io/mts-io b/recipes-bsp/multitech/mts-io/mts-io
new file mode 100755
index 0000000..565b1a7
--- /dev/null
+++ b/recipes-bsp/multitech/mts-io/mts-io
@@ -0,0 +1,163 @@
+#!/bin/bash
+### BEGIN INIT INFO
+# Provides: mts-io
+# Default-Start:  2345
+# Default-Stop:   016
+# Short-Description: load the mts-io driver
+# Description: mts-io driver initializes the Conduit hardware and
+#	       provides user mode access through the driver to the
+#	       Conduit features.
+### END INIT INFO
+
+((fail=0))
+
+sysdir=/sys/devices/platform/mts-io
+gpiodir=/sys/class/gpio
+
+USBRST=${sysdir}/usbhub-reset
+
+RST[0]="${sysdir}/mtq-reset"
+RST[1]="${sysdir}/ap1-reset"
+RST[2]="${sysdir}/ap2-reset"
+RST[3]="${sysdir}/gnss-reset"
+RST[4]="${sysdir}/radio-reset"
+RST[5]="${sysdir}/secure-reset"
+RST[6]="${sysdir}/eth-reset"
+#RST[7]="${sysdir}/wifi-bt-reset"
+RS9113RST="${sysdir}/wifi-bt-reset"
+
+USLPTIME=30000 # 30 milliseconds
+WAIT="/bin/busybox usleep ${USLPTIME}"
+
+reset_path() {
+	pin=$1
+	/usr/bin/logger -t "mts-io" -p info Reset $pin
+	
+	if [[ -f ${pin} ]] ; then
+		if ! ( (echo 1 >${pin}) && (echo 0 >${pin}) && ${WAIT} && (echo 1 >${pin}) ) ; then
+			/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${pin}"
+		fi
+	else
+		/usr/bin/logger -t "mts-io" -p error -s "${pin} does not exist"
+		return 1
+	fi
+	return 0
+}
+reset_array() {
+	((i=${#RST[@]}-1))
+	while ((i>=0)) ; do
+		if [[ -f ${RST[$i]} ]] ; then
+			if ! ( (echo 1 >${RST[i]}) ) ; then
+				/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
+			fi
+		else
+			/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
+			RST[$i]=""
+		fi
+		((i--))
+	done
+	while ((i>0)) ; do
+		if ((${#RST[$i] > 0)) && [[ -f ${RST[$i]} ]] ; then
+			if ! ( (echo 0 >${RST[i]}) ) ; then
+				/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
+			fi
+		else
+			/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
+		fi
+	done
+	${WAIT}
+	while ((i>0)) ; do
+		if ((${#RST[$i] > 0)) && [[ -f ${RST[$i]} ]] ; then
+			if ! ( (echo 1 >${RST[i]}) ) ; then
+				/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
+			fi
+		else
+			/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
+		fi
+	done
+}
+read_card_info() {
+  ap1_product_id=""
+  ap2_product_id=""
+  mts_hw_version=""
+
+  if [[ -d $sysdir/ap1 ]]; then
+    ap1_product_id=$(cat $sysdir/ap1/product-id)
+  fi
+  if [[ -d $sysdir/ap2 ]]; then
+    ap2_product_id=$(cat $sysdir/ap2/product-id)
+  fi
+}
+
+mfser_init() {
+  found_ap1=0
+
+  if [[ $ap1_product_id =~ ^MTAC-MFSER- ]]; then
+    /usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser to /dev/ttyAP1"
+    ln -sf /dev/ttyAP1 /dev/mfser
+    found_ap1=1
+  fi
+
+  if [[ $ap2_product_id =~ ^MTAC-MFSER- ]]; then
+    if [[ $found_ap1 = 1 ]]; then
+      /usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser-2 to /dev/ttyAP2"
+      ln -sf /dev/ttyAP2 /dev/mfser-2
+    else
+      /usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser to /dev/ttyAP2"
+      ln -sf /dev/ttyAP2 /dev/mfser
+    fi
+  fi
+
+}
+
+case $1 in
+  start)
+    /usr/bin/logger -t "mts-io" -p info -s "Loading mts-io module"
+    if ! modprobe mts_io ; then
+    	((fail++))
+    fi
+    read_card_info
+    if ! reset_path $USBRST  ; then
+    	((fail++))
+    fi
+    usleep 200
+    reset_array
+    mfser_init
+    if ! reset_path $RS9113RST  ; then
+    	((fail++))
+    fi
+    
+    if ((fail == 0)) ; then
+        echo "OK"
+    else
+        echo "FAIL"
+    fi
+    exit $fail
+    ;;
+
+  stop)
+    /usr/bin/logger -t "mts-io" -p info -s "Unloading mts-io module"
+    modprobe -r mts_io
+    RETVAL=$?
+    if ((RETVAL == 0)) ; then
+        echo "OK"
+    else
+        echo "FAIL"
+    fi
+    ;;
+  status)
+  	if [[ -d ${sysdir} ]] ; then
+  		echo Driver is loaded
+  		exit 0
+  	else
+  		echo Driver is not loaded
+  		exit 3
+  	fi
+  	;;
+  *)
+    echo "Usage: $0 {start|stop|status}"
+    exit 2
+    ;;
+esac
+
+