| #!/bin/bash |
| |
| #exit status |
| #1: run as non-root user |
| #2: sysfs/debugfs not mount |
| #3: insert module fail when gpio-mockup is a module. |
| #4: other reason. |
| |
| SYSFS= |
| GPIO_SYSFS= |
| GPIO_DRV_SYSFS= |
| DEBUGFS= |
| GPIO_DEBUGFS= |
| dev_type= |
| module= |
| |
| usage() |
| { |
| echo "Usage:" |
| echo "$0 [-f] [-m name] [-t type]" |
| echo "-f: full test. It maybe conflict with existence gpio device." |
| echo "-m: module name, default name is gpio-mockup. It could also test" |
| echo " other gpio device." |
| echo "-t: interface type: chardev(char device) and sysfs(being" |
| echo " deprecated). The first one is default" |
| echo "" |
| echo "$0 -h" |
| echo "This usage" |
| } |
| |
| prerequisite() |
| { |
| msg="skip all tests:" |
| if [ $UID != 0 ]; then |
| echo $msg must be run as root >&2 |
| exit 1 |
| fi |
| SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'` |
| if [ ! -d "$SYSFS" ]; then |
| echo $msg sysfs is not mounted >&2 |
| exit 2 |
| fi |
| GPIO_SYSFS=`echo $SYSFS/class/gpio` |
| GPIO_DRV_SYSFS=`echo $SYSFS/devices/platform/$module/gpio` |
| DEBUGFS=`mount -t debugfs | head -1 | awk '{ print $3 }'` |
| if [ ! -d "$DEBUGFS" ]; then |
| echo $msg debugfs is not mounted >&2 |
| exit 2 |
| fi |
| GPIO_DEBUGFS=`echo $DEBUGFS/gpio` |
| source gpio-mockup-sysfs.sh |
| } |
| |
| try_insert_module() |
| { |
| if [ -d "$GPIO_DRV_SYSFS" ]; then |
| echo "$GPIO_DRV_SYSFS exist. Skip insert module" |
| else |
| modprobe -q $module $1 |
| if [ X$? != X0 ]; then |
| echo $msg insmod $module failed >&2 |
| exit 3 |
| fi |
| fi |
| } |
| |
| remove_module() |
| { |
| modprobe -r -q $module |
| } |
| |
| die() |
| { |
| remove_module |
| exit 4 |
| } |
| |
| test_chips() |
| { |
| if [ X$dev_type = Xsysfs ]; then |
| echo "WARNING: sysfs ABI of gpio is going to deprecated." |
| test_chips_sysfs $* |
| else |
| $BASE/gpio-mockup-chardev $* |
| fi |
| } |
| |
| gpio_test() |
| { |
| param=$1 |
| valid=$2 |
| |
| if [ X"$param" = X ]; then |
| die |
| fi |
| try_insert_module "gpio_mockup_ranges=$param" |
| echo -n "GPIO $module test with ranges: <" |
| echo "$param>: " |
| printf "%-10s %s\n" $param |
| test_chips $module $valid |
| remove_module |
| } |
| |
| BASE=`dirname $0` |
| |
| dev_type= |
| TEMP=`getopt -o fhm:t: -n '$0' -- "$@"` |
| |
| if [ "$?" != "0" ]; then |
| echo "Parameter process failed, Terminating..." >&2 |
| exit 1 |
| fi |
| |
| # Note the quotes around `$TEMP': they are essential! |
| eval set -- "$TEMP" |
| |
| while true; do |
| case $1 in |
| -f) |
| full_test=true |
| shift |
| ;; |
| -h) |
| usage |
| exit |
| ;; |
| -m) |
| module=$2 |
| shift 2 |
| ;; |
| -t) |
| dev_type=$2 |
| shift 2 |
| ;; |
| --) |
| shift |
| break |
| ;; |
| *) |
| echo "Internal error!" |
| exit 1 |
| ;; |
| esac |
| done |
| |
| if [ X"$module" = X ]; then |
| module="gpio-mockup" |
| fi |
| |
| if [ X$dev_type != Xsysfs ]; then |
| dev_type="chardev" |
| fi |
| |
| prerequisite |
| |
| echo "1. Test dynamic allocation of gpio successful means insert gpiochip and" |
| echo " manipulate gpio pin successful" |
| gpio_test "-1,32" true |
| gpio_test "-1,32,-1,32" true |
| gpio_test "-1,32,-1,32,-1,32" true |
| if [ X$full_test = Xtrue ]; then |
| gpio_test "-1,32,32,64" true |
| gpio_test "-1,32,40,64,-1,5" true |
| gpio_test "-1,32,32,64,-1,32" true |
| gpio_test "0,32,32,64,-1,32,-1,32" true |
| gpio_test "-1,32,-1,32,0,32,32,64" true |
| echo "2. Do basic test: successful means insert gpiochip and" |
| echo " manipulate gpio pin successful" |
| gpio_test "0,32" true |
| gpio_test "0,32,32,64" true |
| gpio_test "0,32,40,64,64,96" true |
| fi |
| echo "3. Error test: successful means insert gpiochip failed" |
| echo "3.1 Test number of gpio overflow" |
| #Currently: The max number of gpio(1024) is defined in arm architecture. |
| gpio_test "-1,32,-1,1024" false |
| if [ X$full_test = Xtrue ]; then |
| echo "3.2 Test zero line of gpio" |
| gpio_test "0,0" false |
| echo "3.3 Test range overlap" |
| echo "3.3.1 Test corner case" |
| gpio_test "0,32,0,1" false |
| gpio_test "0,32,32,64,32,40" false |
| gpio_test "0,32,35,64,35,45" false |
| gpio_test "0,32,31,32" false |
| gpio_test "0,32,32,64,36,37" false |
| gpio_test "0,32,35,64,34,36" false |
| echo "3.3.2 Test inserting invalid second gpiochip" |
| gpio_test "0,32,30,35" false |
| gpio_test "0,32,1,5" false |
| gpio_test "10,32,9,14" false |
| gpio_test "10,32,30,35" false |
| echo "3.3.3 Test others" |
| gpio_test "0,32,40,56,39,45" false |
| gpio_test "0,32,40,56,30,33" false |
| gpio_test "0,32,40,56,30,41" false |
| gpio_test "0,32,40,56,20,21" false |
| fi |
| |
| echo GPIO test PASS |
| |