#!/system/bin/sh
# Copyright (c) 2014, The Linux Foundation. All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
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#       documentation and/or other materials provided with the distribution.
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#       the names of its contributors may be used to endorse or promote
#       products derived from this software without specific prior written
#       permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

target=`getprop ro.board.platform`
action=`getprop sys.usb_uicc.enabled`
uicc_loading=`getprop sys.usb_uicc.loading`

# Perfom uicc_insert/uicc_remove only when usb uicc client says so
if [ $uicc_loading != "1" ]; then
    action=""
fi

if [ -f /sys/devices/soc0/soc_id ]; then
    soc_hwid=`cat /sys/devices/soc0/soc_id`
else
    soc_hwid=`cat /sys/devices/system/soc/soc0/id`
fi

# No path is set up at this point so we have to do it here.
PATH=/sbin:/system/sbin:/system/bin:/system/xbin
export PATH

uicc_insert()
{
    case $target in
    "msm8916")
        if [ $soc_hwid == "239" ]; then
            echo Y > /sys/module/ehci_msm_uicc/parameters/uicc_card_present
            echo 79c0000.qcom,ehci-host  > /sys/bus/platform/drivers/msm_ehci_uicc/bind
        elif [ $soc_hwid == "206" ]; then
            echo Y > /sys/module/ice40_hcd/parameters/uicc_card_present
            echo spi0.0 > /sys/bus/spi/drivers/ice40_spi/bind
        else
            echo "The TARGET ID is $target hw $soc_hwid"
        fi
        ;;
    "msm8610")
        insmod /system/lib/modules/ice40-hcd.ko
        ;;
    "msm8226")
        echo 1 > /sys/bus/platform/devices/msm_smsc_hub/enable
        ;;
    "msm8974")
        echo Y > /sys/module/ehci_hcd/parameters/uicc_card_present
        echo msm_ehci_host > /sys/bus/platform/drivers/msm_ehci_host/bind
        ;;
    "msm8994")
        echo Y > /sys/module/ehci_msm2/parameters/uicc_card_present
        echo f9a55000.ehci > /sys/bus/platform/drivers/msm_ehci_host/bind
        ;;
    *)
        echo "USB_UICC invalid target when insert uicc!"
        ;;
    esac
}

uicc_remove()
{
    case $target in
    "msm8916")
        if [ $soc_hwid == "239" ]; then
            echo 79c0000.qcom,ehci-host  > /sys/bus/platform/drivers/msm_ehci_uicc/unbind
            echo N > /sys/module/ehci_msm_uicc/parameters/uicc_card_present
        elif [ $soc_hwid == "206" ]; then
            echo spi0.0 > /sys/bus/spi/drivers/ice40_spi/unbind
            echo N > /sys/module/ice40_hcd/parameters/uicc_card_present
        else
            echo "The TARGET ID is $target hw $soc_hwid"
        fi
        ;;
    "msm8610")
        rmmod /system/lib/modules/ice40-hcd.ko
        ;;
    "msm8226")
        echo 0 > /sys/bus/platform/devices/msm_smsc_hub/enable
        ;;
    "msm8974")
        echo msm_ehci_host > /sys/bus/platform/drivers/msm_ehci_host/unbind
        echo N > /sys/module/ehci_hcd/parameters/uicc_card_present
        ;;
    "msm8994")
        echo f9a55000.ehci > /sys/bus/platform/drivers/msm_ehci_host/unbind
        echo N > /sys/module/ehci_msm2/parameters/uicc_card_present
        ;;
    *)
        echo "USB_UICC invalid target when remove uicc!"
        ;;
    esac
}

case $action in
"1")
    uicc_insert
    setprop sys.usb_uicc.loading 0
    ;;
"0")
    uicc_remove
    setprop sys.usb_uicc.loading 0
    ;;
*)
    echo "USB_UICC invalid action for uicc operation!"
    ;;
esac