113 lines
3.2 KiB
Plaintext
113 lines
3.2 KiB
Plaintext
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#!/bin/sh
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# disable processing of 90chvt and 99video.
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# s2ram and s2disk handle all this stuff internally.
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uswsusp_hooks()
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{
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disablehook 99video "disabled by uswsusp"
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}
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# Since we disabled 99video, we need to take responsibility for proper
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# quirk handling. s2ram handles all common video quirks internally,
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# so all we have to do is translate the HAL standard options to s2ram options.
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uswsusp_get_quirks()
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{
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OPTS=""
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ACPI_SLEEP=0
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for opt in $PM_CMDLINE; do
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case "${opt##--quirk-}" in # just quirks, please
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dpms-on) ;; # no-op
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dpms-suspend) ;; # no-op
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radeon-off) OPTS="$OPTS --radeontool" ;;
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reset-brightness) ;; # no-op
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s3-bios) ACPI_SLEEP=$(($ACPI_SLEEP + 1)) ;;
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s3-mode) ACPI_SLEEP=$(($ACPI_SLEEP + 2)) ;;
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vbe-post) OPTS="$OPTS --vbe_post" ;;
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vbemode-restore) OPTS="$OPTS --vbe_mode" ;;
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vbestate-restore) OPTS="$OPTS --vbe_save" ;;
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vga-mode-3) ;; # no-op
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save-pci) OPTS="$OPTS --pci_save" ;;
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none) QUIRK_NONE="true" ;;
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*) continue ;;
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esac
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done
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[ $ACPI_SLEEP -ne 0 ] && OPTS="$OPTS --acpi_sleep $ACPI_SLEEP"
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# if we were told to ignore quirks, do so.
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# This is arguably not the best way to do things, but...
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[ "$QUIRK_NONE" = "true" ] && OPTS=""
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}
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# Since we disabled 99video, we also need to handle displaying
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# help info for the quirks we handle.
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uswsusp_help()
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{
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echo # first echo makes it look nicer.
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echo "s2ram video quirk handler options:"
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echo
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echo " --quirk-radeon-off"
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echo " --quirk-s3-bios"
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echo " --quirk-s3-mode"
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echo " --quirk-vbe-post"
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echo " --quirk-vbemode-restore"
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echo " --quirk-vbestate-restore"
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echo " --quirk-save-pci"
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echo " --quirk-none"
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}
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# This idiom is used for all sleep methods. Only declare the actual
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# do_ method if:
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# 1: some other sleep module has not already done so, and
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# 2: this sleep method can actually work on this system.
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#
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# For suspend, if SUSPEND_MODULE is set then something else has already
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# implemented do_suspend. We could just check to see of do_suspend was
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# already declared using command_exists, but using a dedicated environment
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# variable makes it easier to debug when we have to know what sleep module
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# ended up claiming ownership of a given sleep method.
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if [ -z "$SUSPEND_MODULE" ] && command_exists s2ram && \
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( grep -q mem /sys/power/state || \
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( [ -c /dev/pmu ] && check_suspend_pmu; ); ); then
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SUSPEND_MODULE="uswsusp"
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do_suspend()
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{
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uswsusp_get_quirks
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s2ram --force $OPTS
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}
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if [ "$METHOD" = "suspend" ]; then
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add_before_hooks uswsusp_hooks
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add_module_help uswsusp_help
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fi
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fi
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if [ -z "$HIBERNATE_MODULE" ] && \
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[ -f /sys/power/disk ] && \
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grep -q disk /sys/power/state && \
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[ -c /dev/snapshot ] &&
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command_exists s2disk; then
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HIBERNATE_MODULE="uswsusp"
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do_hibernate()
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{
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if [ -n "$HIBERNATE_MODE" ]; then
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s2disk -P "shutdown method=$HIBERNATE_MODE"
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else
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s2disk
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fi
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}
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fi
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if [ -z "$SUSPEND_HYBRID_MODULE" ] &&
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grep -q mem /sys/power/state && \
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command_exists s2both && \
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check_hibernate; then
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SUSPEND_HYBRID_MODULE="uswsusp"
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do_suspend_hybrid()
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{
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uswsusp_get_quirks
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s2both --force $OPTS
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}
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if [ "$METHOD" = "suspend_hybrid" ]; then
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add_before_hooks uswsusp_hooks
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add_module_help uswsusp_help
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fi
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fi
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