#!/system/bin/sh
# Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# 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.
#     * Redistributions in binary form must reproduce the above
#       copyright notice, this list of conditions and the following
#       disclaimer in the documentation and/or other materials provided
#       with the distribution.
#     * Neither the name of Code Aurora Forum, Inc. nor 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 "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; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This script will load and unload the wifi driver to put the wifi in
# in deep sleep mode so that there won't be voltage leakage.
# Loading/Unloading the driver only incase if the Wifi GUI is not going
# to Turn ON the Wifi. In the Script if the wlan driver status is
# ok(GUI loaded the driver) or loading(GUI is loading the driver) then
# the script won't do anything. Otherwise (GUI is not going to Turn On
# the Wifi) the script will load/unload the driver
# This script will get called after post bootup.

btsoc=""

# 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

target=`getprop ro.board.platform`
serialno=`getprop ro.serialno`

# Load wifi kernel module
load_wifiKM()
{
    # We need to make sure the WCNSS platform driver is running.
    # The WCNSS platform driver can either be built as a loadable
    # module or it can be built-in to the kernel.  If it is built
    # as a loadable module it can have one of several names.  So
    # look to see if an appropriately named kernel module is
    # present
    wcnssmod=`ls /system/lib/modules/wcnss*.ko` 2> /dev/null
    case "$wcnssmod" in
        *wcnss*)
            # A kernel module is present, so load it
            insmod $wcnssmod
            ;;
        *)
            # A kernel module is not present so we assume the
            # driver is built-in to the kernel.  If that is the
            # case then the driver will export a file which we
            # must touch so that the driver knows that userspace
            # is ready to handle firmware download requests.  See
            # if an appropriately named device file is present
            wcnssnode=`ls /dev/wcnss*`
            case "$wcnssnode" in
                *wcnss*)
                    # There is a device file.  Write to the file
                    # so that the driver knows userspace is
                    # available for firmware download requests
                    echo 1 > $wcnssnode
                    ;;
                *)
                    # There is not a kernel module present and
                    # there is not a device file present, so
                    # the driver must not be available
                    echo "No WCNSS module or device node detected"
                    ;;
            esac
            ;;
    esac

    # Plumb down the device serial number
    if [ -f /sys/devices/*wcnss-wlan/serial_number ]; then
        cd /sys/devices/*wcnss-wlan
        echo $serialno > serial_number
        cd /
    elif [ -f /sys/devices/platform/wcnss_wlan.0/serial_number ]; then
        echo $serialno > /sys/devices/platform/wcnss_wlan.0/serial_number
    fi
}


case "$target" in
    msm8974*)
      # link pronto modules
      rm /system/lib/modules/wlan.ko
      rm /system/lib/modules/cfg80211.ko
      ln -s /system/lib/modules/pronto/pronto_wlan.ko /system/lib/modules/wlan.ko
      ln -s /system/lib/modules/pronto/cfg80211.ko /system/lib/modules/cfg80211.ko

      # The property below is used in Qcom SDK for softap to determine
      # the wifi driver config file
      setprop wlan.driver.config /data/misc/wifi/WCNSS_qcom_cfg.ini

      # Load kernel module in a separate process
      load_wifiKM &
      ;;

    msm8960*)
      wlanchip=""

      # auto detect ar6004-usb card
      # for ar6004-usb card, the vendor id and device id is as the following
      # vendor id  product id
      #    0x0cf3     0x9374
      #    0x0cf3     0x9372
      usb_vendors=`echo \`cat /sys/bus/usb/devices/*/*/idVendor\``
      usb_products=`echo \`cat /sys/bus/usb/devices/*/*/idProduct\``
      ven_idx=0

      for vendor in $usb_vendors; do
          case "$vendor" in
          "0cf3")
              dev_idx=0
              for product in $usb_products; do
                  if [ $ven_idx -eq $dev_idx ]; then
                      case "$product" in
                      "9374" | "9372")
                          wlanchip="AR6004-USB"
                          ;;
                      *)
                          ;;
                      esac
                  fi
                  dev_idx=$(( $dev_idx + 1))
              done
              ;;
          *)
              ;;
          esac
          ven_idx=$(( $ven_idx + 1))
      done
      # auto detect ar6004-usb card end

      if [ "$wlanchip" == "" ]; then
          # auto detect ar6004-sdio card
          # for ar6004-sdio card, the vendor id and device id is as the following
          # vendor id  device id
          #    0x0271     0x0400
          #    0x0271     0x0401
          sdio_vendors=`echo \`cat /sys/bus/mmc/devices/*/*/vendor\``
          sdio_devices=`echo \`cat /sys/bus/mmc/devices/*/*/device\``
          ven_idx=0

          for vendor in $sdio_vendors; do
              case "$vendor" in
              "0x0271")
                  dev_idx=0
                  for device in $sdio_devices; do
                      if [ $ven_idx -eq $dev_idx ]; then
                          case "$device" in
                          "0x0400" | "0x0401")
                              wlanchip="AR6004-SDIO"
                              ;;
                          *)
                              ;;
                          esac
                      fi
                      dev_idx=$(( $dev_idx + 1))
                  done
                  ;;
              *)
                  ;;
              esac
              ven_idx=$(( $ven_idx + 1))
          done
          # auto detect ar6004-sdio card end
      fi

      echo "The WLAN Chip ID is $wlanchip"
      case "$wlanchip" in
      "AR6004-USB")
        setprop wlan.driver.ath 2
        rm  /system/lib/modules/wlan.ko
        rm  /system/lib/modules/cfg80211.ko
        ln -s /system/lib/modules/ath6kl-3.5/ath6kl_usb.ko \
		/system/lib/modules/wlan.ko
        ln -s /system/lib/modules/ath6kl-3.5/cfg80211.ko \
		/system/lib/modules/cfg80211.ko
        rm /system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin
        rm /system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin
        ln -s /system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin_usb \
		/system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin
        ln -s /system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin_usb \
		/system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin
        ;;
      "AR6004-SDIO")
        setprop wlan.driver.ath 2
        setprop qcom.bluetooth.soc ath3k
        btsoc="ath3k"
        rm  /system/lib/modules/wlan.ko
        rm  /system/lib/modules/cfg80211.ko
        ln -s /system/lib/modules/ath6kl-3.5/ath6kl_sdio.ko \
		/system/lib/modules/wlan.ko
        ln -s /system/lib/modules/ath6kl-3.5/cfg80211.ko \
		/system/lib/modules/cfg80211.ko
        rm /system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin
        rm /system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin
        ln -s /system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin_sdio \
		/system/etc/firmware/ath6k/AR6004/hw1.3/fw.ram.bin
        ln -s /system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin_sdio \
		/system/etc/firmware/ath6k/AR6004/hw1.3/bdata.bin
        ;;
      *)
        echo "*** WI-FI chip ID is not specified in /persist/wlan_chip_id **"
        echo "*** Use the default WCN driver.                             **"
        setprop wlan.driver.ath 0 
        # The property below is used in Qcom SDK for softap to determine
        # the wifi driver config file
        setprop wlan.driver.config /data/misc/wifi/WCNSS_qcom_cfg.ini

        # Load kernel module in a separate process
        load_wifiKM &

        # Enable RIVA SSR dependent on Overall SSR
        wcnss_restart_level=`cat /sys/module/subsystem_restart/parameters/restart_level`
        case "$wcnss_restart_level" in
            "3")
                echo 1 > /sys/module/wcnss_ssr_8960/parameters/enable_riva_ssr
                ;;
        esac
         ;;
      esac
      ;;
    msm7627a*)
        wlanchip=`cat /persist/wlan_chip_id`
        echo "The WLAN Chip ID is $wlanchip"
        case "$wlanchip" in
            "ATH6KL")
             setprop wlan.driver.ath 1
             rm  /system/lib/modules/wlan.ko
             rm  /system/lib/modules/cfg80211.ko
             ln -s /system/lib/modules/ath6kl/ath6kl_sdio.ko /system/lib/modules/wlan.ko
             ln -s /system/lib/modules/ath6kl/cfg80211.ko /system/lib/modules/cfg80211.ko
             ;;
            "WCN1314")
             setprop wlan.driver.ath 0
             rm  /system/lib/modules/wlan.ko
             rm  /system/lib/modules/cfg80211.ko
             ln -s /system/lib/modules/volans/WCN1314_rf.ko /system/lib/modules/wlan.ko
             ln -s /system/lib/modules/volans/cfg80211.ko /system/lib/modules/cfg80211.ko
             ;;
            *)
             setprop wlan.driver.ath 1
             rm  /system/lib/modules/wlan.ko
             rm  /system/lib/modules/cfg80211.ko
             ln -s /system/lib/modules/ath6kl/ath6kl_sdio.ko /system/lib/modules/wlan.ko
             ln -s /system/lib/modules/ath6kl/cfg80211.ko /system/lib/modules/cfg80211.ko
             echo "********************************************************************"
             echo "*** Error:WI-FI chip ID is not specified in /persist/wlan_chip_id **"
             echo "*******    WI-FI may not work    ***********************************"
             ;;
        esac
    ;;

    msm7630*)
        wifishd=`getprop wlan.driver.status`
        wlanchip=`cat /persist/wlan_chip_id`
        echo "The WLAN Chip ID is $wlanchip"
        case "$wlanchip" in
            "WCN1314")
             ln -s /system/lib/modules/volans/WCN1314_rf.ko /system/lib/modules/wlan.ko
             ;;
            "WCN1312")
             ln -s /system/lib/modules/libra/libra.ko /system/lib/modules/wlan.ko
	      ln -s /data/hostapd/qcom_cfg.ini /etc/firmware/wlan/qcom_cfg.ini
             ln -s /persist/qcom_wlan_nv.bin /etc/firmware/wlan/qcom_wlan_nv.bin
	      ;;
           *)
            echo "********************************************************************"
	     echo "*** Error:WI-FI chip ID is not specified in /persist/wlan_chip_id **"
            echo "*******    WI-FI may not work    ***********************************"
            ;;
        esac
    ;;

    msm7627*)
        ln -s /data/hostapd/qcom_cfg.ini /etc/firmware/wlan/qcom_cfg.ini
        ln -s /persist/qcom_wlan_nv.bin /etc/firmware/wlan/qcom_wlan_nv.bin
    ;;

    msm8660*)
    ;;

    *)
      ;;
esac