Graybyt3 Was Here

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File Name : 98video-quirk-db-handler

#!/bin/bash
# Prototype video quirk database handler that does not rely on HAL.

shopt -s extglob

. "${PM_FUNCTIONS}"

[[ $PM_DEBUG ]] && { 
    export PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]}): ';
    set -x
}

possible_video_quirks=" --quirk-dpms-on
	   --quirk-dpms-suspend
	   --quirk-s3-mode
	   --quirk-s3-bios
	   --quirk-vbe-post
	   --quirk-vbe-post
	   --quirk-vga-mode-3
	   --quirk-vbemode-restore
	   --quirk-vbestate-restore
	   --quirk-reset-brightness
	   --quirk-radeon-off
	   --quirk-no-fb
	   --quirk-save-pci"

possible_system_properties="system.firmware.version 
        system.firmware.vendor
	system.firmware.release_date
        system.hardware.vendor
	system.hardware.product 
        system.hardware.version
	system.board.product 
        system.board.version 
        system.board.vendor
	system.hardware.primary_video.vendor
	system.hardware.primary_video.product
	system.hardware.primary_video.driver
	system.hardware.primary_video.using_kms
	system.kernel.version"

has_video_parameters() {
    local p params=$(get_parameters)
    [[ $params ]] || return 1
    for p in $params; do
	[[ $possible_video_quirks = *$p* ]] && return
    done
    return 1
}

# video specific helper functions.

# Are we using the nVidia binary driver?
using_nvidia() {  [[ -d /sys/module/nvidia ]]; }

# How about the ATI one?
using_fglrx() { [[ -d /sys/module/fglrx ]]; }

# OK, what about a driver that is using kernel modesetting?
using_kms() { grep -q -E '(nouveau|drm)fb' /proc/fb; }

# Get some video related values when HAL has not gotten them for us, or 
# HAL is not available.
videoget() {
    local dev pci
    pci="/sys/bus/pci/devices"
    for dev in "$pci"/*; do
	[[ -f "${dev}/class" ]] || continue
	[[ "$(cat "${dev}/class")" = "0x030000" ]] || continue
	case $1 in
	    vendor) RES="$(cat "${dev}/vendor")" ;;
	    device) RES="$(cat "${dev}/device")" ;;
	    driver) 
		if [[ -L ${dev}/driver ]]; then
		    RES="$(readlink "${dev}/driver")"
		    RES="${RES##*/}"
		elif using_nvidia; then
		    RES=nvidia
		elif using_fglrx; then
		    RES=fglrx
		fi
		;;
	    using_kms)
		if using_kms; then
		    RES=true
		else
		    RES=false
		fi
		;;
	esac
	break
    done
}

# Get some important information about this system.

# If we have /sys/class/dmi/id, life is easy, and we do not need to 
# depend on HAL or dmidecode.
_dmisysget() {
    [[ -r /sys/class/dmi/id/$1 ]] || RES=""
    read RES < "/sys/class/dmi/id/$1"
}

dmisysget() {
    case $1 in 
	system.firmware.vendor) _dmisysget bios_vendor ;;
	system.firmware.version) _dmisysget bios_version ;;
	system.firmware.release_date) _dmisysget bios_date ;;
	system.hardware.vendor) _dmisysget sys_vendor ;;
	system.hardware.product) _dmisysget product_name ;;
	system.hardware.version) _dmisysget product_version ;;
	system.board.product) _dmisysget board_name ;;
	system.board.version) _dmisysget board_version ;;
	system.board.vendor) _dmisysget board_vendor ;;
	system.hardware.primary_video.vendor) videoget vendor ;;
	system.hardware.primary_video.product) videoget device ;;
	system.hardware.primary_video.driver) videoget driver ;;
	system.hardware.primary_video.using_kms) videoget using_kms ;;
	system.kernel.version) RES=$(uname -r) ;;
	*) return 1
    esac
}

# Get system information using dmidecode.  Slow and ugly, but
# should be supported just about everywhere.
_dmidecodeget() {
    RES=$(dmidecode -s $1)
}

dmidecodeget() {
    case $1 in 
	system.firmware.vendor) _dmidecodeget bios-vendor ;;
	system.firmware.version) _dmidecodeget bios-version ;;
	system.firmware.release_date) _dmidecodeget bios-release-date;;
	system.hardware.vendor) _dmidecodeget system-manufacturer;;
	system.hardware.product) _dmidecodeget system-product-name;;
	system.hardware.version) _dmidecodeget system-version;;
	system.board.product) _dmidecodeget baseboard-product-name;;
	system.board.version) _dmidecodeget baseboard-version;;
	system.board.vendor) _dmidecodeget baseboard-manufacturer;;
	*) return 1
    esac
}

# If we have HAL, it has already done most of the work for us.
halget() {
    local hgp="hal-get-property --udi /org/freedesktop/Hal/devices/computer --key" 
    case $1 in
	system.firmware.version) RES=$($hgp "$1") ;;
	system.firmware.vendor) RES=$($hgp "$1") ;;
	system.firmware.release_date) RES=$($hgp "$1") ;;
	system.hardware.vendor) RES=$($hgp "$1") ;;
	system.hardware.product) RES=$($hgp "$1") ;;
	system.hardware.version) RES=$($hgp "$1") ;;
	system.board.product) RES=$($hgp "$1") ;;
	system.board.version) RES=$($hgp "$1") ;;
	system.board.vendor) RES=$($hgp "$1") ;;
	*) return 1
    esac
}

canonicalize_dmivar() {
    [[ $1 =~ ^[a-z._-]+$ && $possible_system_properties = *$1* ]] || return 1
    echo "${1//[-.]/_}"
}

# Precache the DMI and other information we will need as shell variables.
# This will make things easier when we start running for real.
precache_dmivars() {
    local p q f
    for q in $possible_system_properties; do
	p=$(canonicalize_dmivar $q) || return 1
	RES=""
	for f in dmisysget halget dmidecodeget; do
	    "$f" "$q" && break || continue 2
	done
	RES="${RES##+( )}"
	RES="${RES%%+( )}"
	read "$p" <<<$RES
    done
    RES=""
}

# Use bash variable indirection to set RES to the actual parameter
# we are looking for. Sanity check the variable we were passed to
# keep things sane.
getprop() {
    RES=""
    local p
    if ! p=$(canonicalize_dmivar $1); then
	echo "Unable to obtain DMI information for $1" >&2
	exit 1
    fi
    RES="${!p}"
}

# test to see if the parameter passed is a decimal or hexidecimal number
# Note the complete lack of floating point support.
isnum() {
    [[ $1 =~ ^[0-9]+\$  || $1 =~ ^0[xX][0-9a-fA-F]+\$ ]]
}

# for all the matching functions, 
# $2 = the given constant (or regular expression),
# $1 = the raw data grabbed from HAL or dmidecode or wherever

regex() { [[ $1 =~ ${2//;/|} ]]; }

regex_ncase() {
    local r
    shopt -s nocasematch
    regex "$1" "$2"
    r=$?
    shopt -u nocasematch
    return $r
}

regex_inverse() { ! regex "$1" "$2"; }
compare_eq() { [[ $1 = $2 ]]; }
compare_ne() { [[ $1 != $2 ]]; }
compare_gt() { [[ $1 > $2 ]]; }
compare_ge() { compare_eq "$@" || compare_gt "$@"; }
compare_lt() { [[ $1 < $2 ]]; }
compare_le() { compare_eq "$@" || compare_lt "$@"; }
numeric_compare_eq() { (( $1 == $2 )); }
numeric_compare_ne() { (( $1 != $2 )); }
numeric_compare_gt() { (( $1 > $2 )); }
numeric_compare_ge() { (( $1 >= $2 )); }
numeric_compare_lt() { (( $1 < $2 )); }
numeric_compare_le() { (( $1 <= $2 )); }
numeric_compare_eq_list() {
    local key val
	# $1 = key val to compare
	# $2 = list to compare to
    key=$1
    val="${2//;/ }"
    for x in $val; do
	(( $key == $x )) && return 0
    done
    return 1
}

# Helper function for nVidia g80 gpus.  They require extra special handling 
# when not using the nVidia binary driver.
have_nvidia_g80() {
    numeric_compare_eq $system_hardware_primary_video_vendor 0x10de || return
    numeric_compare_eq_list $system_hardware_primary_video_product \
	'0x190;0x191;0x192;0x193;0x194;0x195;0x196;0x197;0x198;0x199;0x19a;0x19b;0x19c;0x19d;0x19e;0x19f;0x400;0x401;0x402;0x403;0x404;0x405;0x406;0x407;0x408;0x409;0x40a;0x40b;0x40c;0x40d;0x40e;0x40f;0x420;0x421;0x422;0x423;0x424;0x425;0x426;0x427;0x428;0x429;0x42a;0x42b;0x42c;0x42d;0x42e;0x42f' || return
}

# Helper function for recent Intel framebuffer drivers.
have_smart_intel() {
    local kernel_rev=$system_kernel_revision
    local driver=$system_hardware_primary_video_driver
    # currently, intel kernel modesetting is not quite smart enough
    # we still need acpi s3 kernel modesetting hooks, so don't remove those
    # options if they were passed.
    [[ $driver = i915 && ( $kernel_rev > 2.6.26 || $kernel_rev = 2.6.26 ) ]]
}

# find the appropriate quirks for this system using the native-format
# quirks database. Since the database is tree-ish, we use some stupid
# recursion tricks.

# $1 = whether to ignore what we are reading
_find_native() {
    local action key matcher regex
    while read action key matcher regex; do
	[[ $action && ${action:0:1} != '#' ]] || continue
	case $action in
	    match) 
		if [[ $1 = ignore ]]; then
		    _find_native $1
		else
		    getprop "$key"
		    [[ $matcher && $regex ]] || find_native ignore
		# if this matcher matches, look at nodes farther out. 
		    if $matcher "$RES" "$regex"; then
			_find_native work
		    else
			_find_native ignore
		    fi
		fi
		;;
	    endmatch)
		[[ $found ]] && return 0 || return 1 ;;
	    addquirk) [[ $1 = ignore ]] && continue
		found=true
		add_parameters "$key"
		;;
	    delquirk) [[ $1 = ignore ]]&& continue
		found=true
		remove_parameters "$key"
		;;
	esac
    done
}

find_native() (
    [[ -f $1 ]] || return 1
    exec <"$1"
    _find_native work
     res=$?
     get_parameters
     return $res
)

# If we resumed, write out the quirks we used as our last known
# working ones for this hardware, kernel, driver, and KMS setting.
write_last_known_working() ( 
    local matcher quirk
    precache_dmivars
    exec >"$PM_LKW_QUIRKS"
    for prop in system.firmware.version system.firmware.vendor \
	system.firmware.release_date system.hardware.vendor \
	system.hardware.product system.hardware.version \
	system.board.product system.board.version system.board.vendor \
	system.hardware.primary_video.vendor \
	system.hardware.primary_video.product \
	system.hardware.primary_video.driver \
	system.hardware.primary_video.using_kms \
	system.kernel.version; do
	getprop "$prop"
	if isnum "$RES"; then
	    matcher=numeric_compare_eq
	else
	    matcher=compare_eq
	fi
	echo "match $prop $matcher ${RES}"
    done
    if [[ $QUIRKS ]]; then 
	for quirk in $QUIRKS; do
	    echo "addquirk $quirk"
	done
    else
	echo "addquirk --quirk-none"
    fi
    for ((x=1; x<14; x++)); do
	echo endmatch
    done
)

case $1 in
    suspend|hibernate)
        # Aaand.... GO
	# cache all the properties we will need.
	precache_dmivars

# This logic can also be expressed using entries in the quirkdb,
	# but I am too lazy to do that until a final quirk database is 
	# formalized.
	if has_parameter --quirk-test && has_video_parameters; then
	    # The user is explicitly testing video parameters.
	    # Use them without the usual filtering. This may cause the system 
	    # to blow up, but they explicitly asked for it. 
	    remove_parameters --quirk-test
	    echo "Quirk testing mode enabled." 
	elif using_kms; then
            # Using kernel modesetting?  No quirks, and do not change vts.
	    remove_parameters $possible_video_quirks
	    add_parameters --quirk-no-chvt
	    echo "Kernel modesetting video driver detected, not using quirks."
	elif using_nvidia; then
            # Ditto for nVidia binary drivers
	    remove_parameters $possible_video_quirks
	    echo "nVidia binary video drive detected, not using quirks."
	elif using_fglrx; then
	    # fglrx may or may not have to change vts, reports one
	    # way or the other welcome.
	    remove_parameters $possible_video_quirks
	    add_parameters --quirk-none
	    echo "ATI Catalyst driver detected, not using quirks."
	elif have_nvidia_g80; then
            # nVidia G80 GPUs require special handling when not using nvidia
	    # binary drivers.  I do not know if noveau requires help or not.
	    remove_parameters $possible_video_quirks
	    add_parameters --quirk-vbe-post
	    echo "nVidia g80 series card detected."
	else
	    # Go ahead and get our quirks.
	    if has_video_parameters; then
	        # Parameters from the command line take precedence
		# over the database, so do not query it.
		echo "Using quirks passed as parameters."
	    elif [[ $PM_QUIRKS ]]; then
		# If we have $PM_QUIRKS. use it instead of the quirk database
		add_parameters $PM_QUIRKS
		echo "Using PM_QUIRKS environment variable for quirks."
		# If we were not passed any quirks on the command line,
		# get them from the database.
	    elif QUIRKS=$(find_native "$PM_LKW_QUIRKS"); then
		# Known working quirks from our last run are still valid.
		# Use them.
		add_parameters $QUIRKS
		echo "Using last known working set of quirks."
	    else
		# Our known working quirks from the last run are either
		# nonexistent or invalid.  Either way, start over.
		rm "$PM_LKW_QUIRKS" >/dev/null 2>&1
		for f in "$PM_QUIRKDB"/*.quirkdb
		do
		    QUIRKS=$(find_native "$f") && break
		done
		# some default quirks if we did not get any.
		if [[ -z $QUIRKS ]]; then 
		    QUIRKS="--quirk-vbe-post --quirk-dpms-on 
                            --quirk-dpms-suspend --quirk-vbestate-restore
			    --quirk-vbemode-restore --quirk-vga-mode-3"
		    echo "No quirk database entry for this system, using default."
		else
		    echo "Using quirks for this system from quirk database."
		fi
		add_parameters $QUIRKS
		savestate video_quirks "$QUIRKS"
	    fi
	    if have_smart_intel; then
	       # Intel without KMS does not require most quirks, no matter
	       # what anything else says.  The only ones that seem to 
	       # matter are the --quirk-s3 ones, so remove everything else.
		remove_parameters --quirk-dpms-on \
		    --quirk-dpms-suspend \
		    --quirk-vbe-post \
		    --quirk-vbe-post \
		    --quirk-vga-mode-3 \
		    --quirk-vbemode-restore \
		    --quirk-vbestate-restore \
		    --quirk-reset-brightness \
		    --quirk-radeon-off \
		    --quirk-no-fb \
		    --quirk-save-pci
		echo "Cleaning up quirks not needed by Intel video cards."
	    fi
	fi
	;;
    thaw|resume)
	if state_exists video_quirks; then
	    QUIRKS=$(restorestate video_quirks);
	    write_last_known_working
	    echo "Saving last known working quirks: $QUIRKS"
	elif has_parameter --store-quirks-as-lkw; then
	    for x in $(get_parameters); do
		for y in $possible_video_quirks; do
		    [[ $x = $y ]] && QUIRKS=" $QUIRKS $x"
		done
	    done
	    write_last_known_working
	    echo "Saving last known working quirks: $QUIRKS"
	fi
	;;
esac

System Information
*ReClick For Close
File : BlackDragon /wanderfuls/about.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0555	2019-09-26 01:52:01
..	dir	-	root/root	0555	2018-04-11 04:59:55
00logging	file	274 B	root/root	0755	2014-09-16 06:20:53
00powersave	file	203 B	root/root	0755	2014-09-16 06:20:53
01grub	file	1.22 KB	root/root	0755	2014-09-16 06:20:53
49bluetooth	file	664 B	root/root	0755	2014-09-16 06:20:53
55NetworkManager	file	1.2 KB	root/root	0755	2014-09-16 06:20:53
56dhclient	file	1.77 KB	root/root	0755	2019-08-06 01:44:33
75modules	file	453 B	root/root	0755	2014-09-16 06:20:53
90clock	file	614 B	root/root	0755	2014-09-16 06:20:53
94cpufreq	file	1.07 KB	root/root	0755	2014-09-16 06:20:53
95led	file	297 B	root/root	0755	2014-09-16 06:20:53
98video-quirk-db-handler	file	13.57 KB	root/root	0755	2014-09-16 06:20:53
99video	file	5.53 KB	root/root	0755	2014-09-16 06:20:53