1 1
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
>> 3 is_consistent()
>> 4 {
>> 5 val=
>> 6
>> 7 active_low_sysfs=`cat $GPIO_SYSFS/gpio$nr/active_low`
>> 8 val_sysfs=`cat $GPIO_SYSFS/gpio$nr/value`
>> 9 dir_sysfs=`cat $GPIO_SYSFS/gpio$nr/direction`
>> 10
>> 11 gpio_this_debugfs=`cat $GPIO_DEBUGFS |grep "gpio-$nr" | sed "s/(.*)//g"`
>> 12 dir_debugfs=`echo $gpio_this_debugfs | awk '{print $2}'`
>> 13 val_debugfs=`echo $gpio_this_debugfs | awk '{print $3}'`
>> 14 if [ $val_debugfs = "lo" ]; then
>> 15 val=0
>> 16 elif [ $val_debugfs = "hi" ]; then
>> 17 val=1
>> 18 fi
>> 19
>> 20 if [ $active_low_sysfs = "1" ]; then
>> 21 if [ $val = "0" ]; then
>> 22 val="1"
>> 23 else
>> 24 val="0"
>> 25 fi
>> 26 fi
>> 27
>> 28 if [ $val_sysfs = $val ] && [ $dir_sysfs = $dir_debugfs ]; then
>> 29 echo -n "."
>> 30 else
>> 31 echo "test fail, exit"
>> 32 die
>> 33 fi
>> 34 }
>> 35
>> 36 test_pin_logic()
>> 37 {
>> 38 nr=$1
>> 39 direction=$2
>> 40 active_low=$3
>> 41 value=$4
>> 42
>> 43 echo $direction > $GPIO_SYSFS/gpio$nr/direction
>> 44 echo $active_low > $GPIO_SYSFS/gpio$nr/active_low
>> 45 if [ $direction = "out" ]; then
>> 46 echo $value > $GPIO_SYSFS/gpio$nr/value
>> 47 fi
>> 48 is_consistent $nr
>> 49 }
3 50
4 # Overrides functions in gpio-mockup.sh to tes !! 51 test_one_pin()
>> 52 {
>> 53 nr=$1
5 54
6 SYSFS=`grep -w sysfs /proc/mounts | cut -f2 -d !! 55 echo -n "test pin<$nr>"
7 [ -d "$SYSFS" ] || skip "sysfs is not mounted" <<
8 56
9 GPIO_SYSFS="${SYSFS}/class/gpio" !! 57 echo $nr > $GPIO_SYSFS/export 2>/dev/null
10 [ -d "$GPIO_SYSFS" ] || skip "CONFIG_GPIO_SYSF <<
11 58
12 PLATFORM_SYSFS=$SYSFS/devices/platform !! 59 if [ X$? != X0 ]; then
>> 60 echo "test GPIO pin $nr failed"
>> 61 die
>> 62 fi
13 63
14 sysfs_nr= !! 64 #"Checking if the sysfs is consistent with debugfs: "
15 sysfs_ldir= !! 65 is_consistent $nr
16 66
17 # determine the sysfs GPIO number given the $c !! 67 #"Checking the logic of active_low: "
18 # e.g. gpiochip1:32 !! 68 test_pin_logic $nr out 1 1
19 find_sysfs_nr() !! 69 test_pin_logic $nr out 1 0
20 { !! 70 test_pin_logic $nr out 0 1
21 # e.g. /sys/devices/platform/gpio-mock !! 71 test_pin_logic $nr out 0 0
22 local platform=$(find $PLATFORM_SYSFS !! 72
23 [ "$platform" ] || fail "can't find pl !! 73 #"Checking the logic of direction: "
24 # e.g. /sys/devices/platform/gpio-mock !! 74 test_pin_logic $nr in 1 1
25 local base=$(find ${platform%/*}/gpio/ !! 75 test_pin_logic $nr out 1 0
26 [ "$base" ] || fail "can't find base o !! 76 test_pin_logic $nr low 0 1
27 sysfs_nr=$(($(< "$base") + $offset)) !! 77 test_pin_logic $nr high 0 0
28 sysfs_ldir="$GPIO_SYSFS/gpio$sysfs_nr" !! 78
>> 79 echo $nr > $GPIO_SYSFS/unexport
>> 80
>> 81 echo "successful"
29 } 82 }
30 83
31 acquire_line() !! 84 test_one_pin_fail()
32 { 85 {
33 [ "$sysfs_nr" ] && return !! 86 nr=$1
34 find_sysfs_nr !! 87
35 echo "$sysfs_nr" > "$GPIO_SYSFS/export !! 88 echo $nr > $GPIO_SYSFS/export 2>/dev/null
>> 89
>> 90 if [ X$? != X0 ]; then
>> 91 echo "test invalid pin $nr successful"
>> 92 else
>> 93 echo "test invalid pin $nr failed"
>> 94 echo $nr > $GPIO_SYSFS/unexport 2>/dev/null
>> 95 die
>> 96 fi
36 } 97 }
37 98
38 # The helpers being overridden... !! 99 list_chip()
39 get_line() <<
40 { 100 {
41 [ -e "$sysfs_ldir/value" ] && echo $(< !! 101 echo `ls -d $GPIO_DRV_SYSFS/gpiochip* 2>/dev/null`
42 } 102 }
43 103
44 set_line() !! 104 test_chip()
45 { 105 {
46 acquire_line !! 106 chip=$1
47 !! 107 name=`basename $chip`
48 for option in $*; do !! 108 base=`cat $chip/base`
49 case $option in !! 109 ngpio=`cat $chip/ngpio`
50 active-high) !! 110 printf "%-10s %-5s %-5s\n" $name $base $ngpio
51 echo 0 > "$sysfs_ldir/ !! 111 if [ $ngpio = "0" ]; then
52 ;; !! 112 echo "number of gpio is zero is not allowed".
53 active-low) !! 113 fi
54 echo 1 > "$sysfs_ldir/ !! 114 test_one_pin $base
55 ;; !! 115 test_one_pin $(($base + $ngpio - 1))
56 input) !! 116 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 } 117 }
70 118
71 release_line() !! 119 test_chips_sysfs()
72 { 120 {
73 [ "$sysfs_nr" ] || return 0 !! 121 gpiochip=`list_chip $module`
74 echo "$sysfs_nr" > "$GPIO_SYSFS/unexpo !! 122 if [ X"$gpiochip" = X ]; then
75 sysfs_nr= !! 123 if [ X"$valid" = Xfalse ]; then
76 sysfs_ldir= !! 124 echo "successful"
>> 125 else
>> 126 echo "fail"
>> 127 die
>> 128 fi
>> 129 else
>> 130 for chip in $gpiochip; do
>> 131 test_chip $chip
>> 132 done
>> 133 fi
77 } 134 }
>> 135
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