200 lines
6.6 KiB
Bash
Executable file
200 lines
6.6 KiB
Bash
Executable file
#!/system/bin/sh
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# Copyright (c) 2012, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Set platform variables
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target=`getprop ro.board.platform`
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soc_hwplatform=`cat /sys/devices/system/soc/soc0/hw_platform` 2> /dev/null
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soc_hwid=`cat /sys/devices/system/soc/soc0/id` 2> /dev/null
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soc_hwver=`cat /sys/devices/system/soc/soc0/platform_version` 2> /dev/null
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# Dynamic Memory Managment (DMM) provides a sys file system to the userspace
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# that can be used to plug in/out memory that has been configured as unstable.
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# This unstable memory can be in Active or In-Active State.
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# Each of which the userspace can request by writing to a sys file.
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#
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# ro.dev.dmm = 1; Indicates that DMM is enabled in the Android User Space. This
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# property is set in the Android system properties file.
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#
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# If ro.dev.dmm.dpd.start_address is set here then the target has a memory
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# configuration that supports DynamicMemoryManagement.
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init_DMM()
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{
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block=-1
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case "$target" in
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"msm7630_surf" | "msm7630_1x" | "msm7630_fusion" | "msm8960")
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;;
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*)
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return
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;;
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esac
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mem="/sys/devices/system/memory"
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op=`cat $mem/movable_start_bytes`
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case "$op" in
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"0")
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log -p i -t DMM DMM Disabled. movable_start_bytes not set: $op
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;;
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"$mem/movable_start_bytes: No such file or directory ")
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log -p i -t DMM DMM Disabled. movable_start_bytes does not exist: $op
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;;
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*)
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log -p i -t DMM DMM available. movable_start_bytes at $op
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movable_start_bytes=0x`cat $mem/movable_start_bytes`
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block_size_bytes=0x`cat $mem/block_size_bytes`
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block=$((#${movable_start_bytes}/${block_size_bytes}))
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chown -h system.system $mem/memory$block/state
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chown -h system.system $mem/probe
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chown -h system.system $mem/active
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chown -h system.system $mem/remove
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case "$target" in
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"msm7630_surf" | "msm7630_1x" | "msm7630_fusion")
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echo $movable_start_bytes > $mem/probe
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case "$?" in
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"0")
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log -p i -t DMM $movable_start_bytes to physical hotplug succeeded.
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;;
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*)
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log -p e -t DMM $movable_start_bytes to physical hotplug failed.
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return
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;;
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esac
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echo online > $mem/memory$block/state
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case "$?" in
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"0")
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log -p i -t DMM \'echo online\' to logical hotplug succeeded.
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;;
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*)
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log -p e -t DMM \'echo online\' to logical hotplug failed.
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return
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;;
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esac
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;;
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esac
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setprop ro.dev.dmm.dpd.start_address $movable_start_bytes
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setprop ro.dev.dmm.dpd.block $block
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;;
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esac
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case "$target" in
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"msm8960")
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return
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;;
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esac
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# For 7X30 targets:
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# ro.dev.dmm.dpd.start_address is set when the target has a 2x256Mb memory
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# configuration. This is also used to indicate that the target is capable of
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# setting EBI-1 to Deep Power Down or Self Refresh.
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op=`cat $mem/low_power_memory_start_bytes`
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case "$op" in
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"0")
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log -p i -t DMM Self-Refresh-Only Disabled. low_power_memory_start_bytes not set:$op
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;;
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"$mem/low_power_memory_start_bytes No such file or directory ")
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log -p i -t DMM Self-Refresh-Only Disabled. low_power_memory_start_bytes does not exist:$op
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;;
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*)
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log -p i -t DMM Self-Refresh-Only available. low_power_memory_start_bytes at $op
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;;
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esac
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}
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#
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# For controlling console and shell on console on 8960 - perist.serial.enable 8960
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# On other target use default ro.debuggable property.
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#
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serial=`getprop persist.serial.enable`
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dserial=`getprop ro.debuggable`
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case "$target" in
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"msm8960")
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case "$serial" in
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"0")
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echo 0 > /sys/devices/platform/msm_serial_hsl.0/console
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;;
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"1")
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echo 1 > /sys/devices/platform/msm_serial_hsl.0/console
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start console
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;;
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*)
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case "$dserial" in
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"1")
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start console
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;;
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esac
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;;
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esac
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;;
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*)
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case "$dserial" in
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"1")
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start console
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;;
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esac
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;;
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esac
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#
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# Allow persistent faking of bms
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# User needs to set fake bms charge in persist.bms.fake_batt_capacity
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#
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fake_batt_capacity=`getprop persist.bms.fake_batt_capacity`
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case "$fake_batt_capacity" in
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"") ;; #Do nothing here
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* )
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case $target in
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"msm8960")
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echo "$fake_batt_capacity" > /sys/module/pm8921_bms/parameters/bms_fake_battery
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;;
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esac
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esac
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case "$target" in
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"msm7630_surf" | "msm7630_1x" | "msm7630_fusion")
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insmod /system/lib/modules/ss_mfcinit.ko
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insmod /system/lib/modules/ss_vencoder.ko
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insmod /system/lib/modules/ss_vdecoder.ko
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chmod -h 0666 /dev/ss_mfc_reg
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chmod -h 0666 /dev/ss_vdec
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chmod -h 0666 /dev/ss_venc
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init_DMM
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;;
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"msm8960")
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init_DMM
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;;
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esac
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