1 1
2 # SPDX-License-Identifier: GPL-2.0 !! 2 is_consistent()
>> 3 {
>> 4 val=
>> 5
>> 6 active_low_sysfs=`cat $GPIO_SYSFS/gpio$nr/active_low`
>> 7 val_sysfs=`cat $GPIO_SYSFS/gpio$nr/value`
>> 8 dir_sysfs=`cat $GPIO_SYSFS/gpio$nr/direction`
>> 9
>> 10 gpio_this_debugfs=`cat $GPIO_DEBUGFS |grep "gpio-$nr" | sed "s/(.*)//g"`
>> 11 dir_debugfs=`echo $gpio_this_debugfs | awk '{print $2}'`
>> 12 val_debugfs=`echo $gpio_this_debugfs | awk '{print $3}'`
>> 13 if [ $val_debugfs = "lo" ]; then
>> 14 val=0
>> 15 elif [ $val_debugfs = "hi" ]; then
>> 16 val=1
>> 17 fi
>> 18
>> 19 if [ $active_low_sysfs = "1" ]; then
>> 20 if [ $val = "0" ]; then
>> 21 val="1"
>> 22 else
>> 23 val="0"
>> 24 fi
>> 25 fi
>> 26
>> 27 if [ $val_sysfs = $val ] && [ $dir_sysfs = $dir_debugfs ]; then
>> 28 echo -n "."
>> 29 else
>> 30 echo "test fail, exit"
>> 31 die
>> 32 fi
>> 33 }
>> 34
>> 35 test_pin_logic()
>> 36 {
>> 37 nr=$1
>> 38 direction=$2
>> 39 active_low=$3
>> 40 value=$4
>> 41
>> 42 echo $direction > $GPIO_SYSFS/gpio$nr/direction
>> 43 echo $active_low > $GPIO_SYSFS/gpio$nr/active_low
>> 44 if [ $direction = "out" ]; then
>> 45 echo $value > $GPIO_SYSFS/gpio$nr/value
>> 46 fi
>> 47 is_consistent $nr
>> 48 }
3 49
4 # Overrides functions in gpio-mockup.sh to tes !! 50 test_one_pin()
>> 51 {
>> 52 nr=$1
5 53
6 SYSFS=`grep -w sysfs /proc/mounts | cut -f2 -d !! 54 echo -n "test pin<$nr>"
7 [ -d "$SYSFS" ] || skip "sysfs is not mounted" <<
8 55
9 GPIO_SYSFS="${SYSFS}/class/gpio" !! 56 echo $nr > $GPIO_SYSFS/export 2>/dev/null
10 [ -d "$GPIO_SYSFS" ] || skip "CONFIG_GPIO_SYSF <<
11 57
12 PLATFORM_SYSFS=$SYSFS/devices/platform !! 58 if [ X$? != X0 ]; then
>> 59 echo "test GPIO pin $nr failed"
>> 60 die
>> 61 fi
13 62
14 sysfs_nr= !! 63 #"Checking if the sysfs is consistent with debugfs: "
15 sysfs_ldir= !! 64 is_consistent $nr
16 65
17 # determine the sysfs GPIO number given the $c !! 66 #"Checking the logic of active_low: "
18 # e.g. gpiochip1:32 !! 67 test_pin_logic $nr out 1 1
19 find_sysfs_nr() !! 68 test_pin_logic $nr out 1 0
20 { !! 69 test_pin_logic $nr out 0 1
21 # e.g. /sys/devices/platform/gpio-mock !! 70 test_pin_logic $nr out 0 0
22 local platform=$(find $PLATFORM_SYSFS !! 71
23 [ "$platform" ] || fail "can't find pl !! 72 #"Checking the logic of direction: "
24 # e.g. /sys/devices/platform/gpio-mock !! 73 test_pin_logic $nr in 1 1
25 local base=$(find ${platform%/*}/gpio/ !! 74 test_pin_logic $nr out 1 0
26 [ "$base" ] || fail "can't find base o !! 75 test_pin_logic $nr low 0 1
27 sysfs_nr=$(($(< "$base") + $offset)) !! 76 test_pin_logic $nr high 0 0
28 sysfs_ldir="$GPIO_SYSFS/gpio$sysfs_nr" !! 77
>> 78 echo $nr > $GPIO_SYSFS/unexport
>> 79
>> 80 echo "successful"
29 } 81 }
30 82
31 acquire_line() !! 83 test_one_pin_fail()
32 { 84 {
33 [ "$sysfs_nr" ] && return !! 85 nr=$1
34 find_sysfs_nr !! 86
35 echo "$sysfs_nr" > "$GPIO_SYSFS/export !! 87 echo $nr > $GPIO_SYSFS/export 2>/dev/null
>> 88
>> 89 if [ X$? != X0 ]; then
>> 90 echo "test invalid pin $nr successful"
>> 91 else
>> 92 echo "test invalid pin $nr failed"
>> 93 echo $nr > $GPIO_SYSFS/unexport 2>/dev/null
>> 94 die
>> 95 fi
36 } 96 }
37 97
38 # The helpers being overridden... !! 98 list_chip()
39 get_line() <<
40 { 99 {
41 [ -e "$sysfs_ldir/value" ] && echo $(< !! 100 echo `ls -d $GPIO_DRV_SYSFS/gpiochip* 2>/dev/null`
42 } 101 }
43 102
44 set_line() !! 103 test_chip()
45 { 104 {
46 acquire_line !! 105 chip=$1
47 !! 106 name=`basename $chip`
48 for option in $*; do !! 107 base=`cat $chip/base`
49 case $option in !! 108 ngpio=`cat $chip/ngpio`
50 active-high) !! 109 printf "%-10s %-5s %-5s\n" $name $base $ngpio
51 echo 0 > "$sysfs_ldir/ !! 110 if [ $ngpio = "0" ]; then
52 ;; !! 111 echo "number of gpio is zero is not allowed".
53 active-low) !! 112 fi
54 echo 1 > "$sysfs_ldir/ !! 113 test_one_pin $base
55 ;; !! 114 test_one_pin $(($base + $ngpio - 1))
56 input) !! 115 test_one_pin $((( RANDOM % $ngpio ) + $base ))
57 echo "in" > "$sysfs_ld <<
58 ;; <<
59 0) <<
60 echo "out" > "$sysfs_l <<
61 echo 0 > "$sysfs_ldir/ <<
62 ;; <<
63 1) <<
64 echo "out" > "$sysfs_l <<
65 echo 1 > "$sysfs_ldir/ <<
66 ;; <<
67 esac <<
68 done <<
69 } 116 }
70 117
71 release_line() !! 118 test_chips_sysfs()
72 { 119 {
73 [ "$sysfs_nr" ] || return 0 !! 120 gpiochip=`list_chip $module`
74 echo "$sysfs_nr" > "$GPIO_SYSFS/unexpo !! 121 if [ X"$gpiochip" = X ]; then
75 sysfs_nr= !! 122 if [ X"$valid" = Xfalse ]; then
76 sysfs_ldir= !! 123 echo "successful"
>> 124 else
>> 125 echo "fail"
>> 126 die
>> 127 fi
>> 128 else
>> 129 for chip in $gpiochip; do
>> 130 test_chip $chip
>> 131 done
>> 132 fi
77 } 133 }
>> 134
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