1#!/bin/bash -e
2
3set_gpio()
4{
5    NET_NAME=$1
6    OUT_VAL=$2
7    mapfile -t -d " " GPIO_INFO < <(gpiofind "$NET_NAME")
8    if [ "${#GPIO_INFO[@]}" -ne 2 ]; then
9        echo "set_gpio: can not find gpio, $NET_NAME"
10        return 1
11    fi
12
13    echo -n "set_gpio: set $NET_NAME = $OUT_VAL"
14    if ! gpioset "${GPIO_INFO[0]}" "${GPIO_INFO[1]%$'\n'}"="$OUT_VAL"; then
15        echo " failed"
16        return 1
17    fi
18
19    echo " success"
20    return 0
21}
22
23set_fan()
24{
25    FAN_ID=$1
26    FAN_DUTY=$2
27    SYSFA_PWM_PATH=""
28
29    for file in /sys/devices/platform/pwm-fan"$FAN_ID"/hwmon/hwmon*/pwm1
30    do
31        if [ -e "$file" ]; then
32            SYSFA_PWM_PATH="$file"
33            break
34        fi
35    done
36
37    if [ -z "$SYSFA_PWM_PATH" ]; then
38        echo "set_fan: pwm file not found, chekc fan id ($FAN_ID)"
39        return 1
40    fi
41
42    if [ "$FAN_DUTY" -lt 0 ] || [ "$FAN_DUTY" -gt 100 ]; then
43        echo "set_fan: incorrect fan duty, $FAN_DUTY"
44        return 1
45    fi
46
47    # convert duty (0-100) to pwm value (0-255)
48    PWM_VAL=$(printf "%.0f" $((FAN_DUTY*255/100)))
49
50    echo -n "set_fan: set fan$FAN_ID = $FAN_DUTY"
51    if ! echo "$PWM_VAL" > "$SYSFA_PWM_PATH"; then
52        echo " failed"
53        return 1
54    fi
55
56    echo " success"
57    return 0
58}
59
60# set initial value for GPIO output pins
61set_gpio SEL_SPI2_MUX       1
62set_gpio SPI2_MUX1          1
63set_gpio SPI2_MUX2          1
64set_gpio SPI2_MUX3          1
65set_gpio SWITCH_FRU_MUX     1
66set_gpio BAT_DETECT         1
67set_gpio BMC_BT_WP0_N       1
68set_gpio BMC_BT_WP1_N       1
69set_gpio USB2_SEL0_A        1
70set_gpio USB2_SEL1_A        1
71set_gpio USB2_SEL0_B        1
72set_gpio USB2_SEL1_B        1
73set_gpio RST_FRONT_IOEXP_N  1
74set_gpio BSM_FLASH_LATCH_N  1
75
76# set initial duty value for each fan
77set_fan 0   70
78set_fan 1   70
79set_fan 2   70
80set_fan 3   70
81
82exit 0;
83