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acpica: execute suspend&resume ACPI methods

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on 'system' ROM state changes.

Issue #4669
This commit is contained in:
Alexander Boettcher 2021-01-22 13:22:37 +01:00 committed by Norman Feske
parent 58ff53ec52
commit dee178aae5
2 changed files with 64 additions and 5 deletions
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2
repos/libports/src/app/acpica/README
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@ -46,7 +46,7 @@ Excerpt of important parts of the acpica configuration
!<start name="acpica">
! <!-- <binary name="debug-acpica"/> -->
! ...
! <config reset="no" poweroff="no" report="yes" report_period_ms="2000"/>
! <config reset="no" sleep="no" poweroff="no" report="yes" report_period_ms="2000"/>
! <route>
! <service name="ROM" label="system"> <child name="..."/> </service>
! <service name="Report"> <child name="..."/> </service>

67
repos/libports/src/app/acpica/os.cc
View File

@ -55,18 +55,70 @@ struct Acpica::Statechange
Attached_rom_dataspace _system_state;
bool _enable_reset;
bool _enable_poweroff;
bool _enable_sleep;
Statechange(Env &env, bool reset, bool poweroff)
Statechange(Env &env, bool reset, bool poweroff, bool sleep)
:
_dispatcher(env.ep(), *this, &Statechange::state_changed),
_system_state(env, "system"),
_enable_reset(reset), _enable_poweroff(poweroff)
_enable_reset(reset), _enable_poweroff(poweroff), _enable_sleep(sleep)
{
_system_state.sigh(_dispatcher);
state_changed();
}
template <typename T>
void suspend_prepare_check(T const &state)
{
if (!_enable_sleep)
return;
UINT8 sleep_state = 0;
if (state == "s0_prepare") { sleep_state = 0; } else
if (state == "s1_prepare") { sleep_state = 1; } else
if (state == "s2_prepare") { sleep_state = 2; } else
if (state == "s3_prepare") { sleep_state = 3; } else
if (state == "s4_prepare") { sleep_state = 4; } else
if (state == "s5_prepare") { sleep_state = 5; } else
return;
Genode::log("prepare suspend S", sleep_state);
ACPI_STATUS res = AcpiEnterSleepStatePrep(sleep_state);
if (ACPI_FAILURE(res))
Genode::error("AcpiEnterSleepStatePrep failed ",
res, " ", AcpiFormatException(res));
}
template <typename T>
void resume_check(T const &state)
{
if (!_enable_sleep)
return;
UINT8 sleep_state = 0;
if (state == "s0_resume") { sleep_state = 0; } else
if (state == "s1_resume") { sleep_state = 1; } else
if (state == "s2_resume") { sleep_state = 2; } else
if (state == "s3_resume") { sleep_state = 3; } else
if (state == "s4_resume") { sleep_state = 4; } else
if (state == "s5_resume") { sleep_state = 5; } else
return;
ACPI_STATUS res = AcpiLeaveSleepStatePrep(sleep_state);
if (ACPI_FAILURE(res))
Genode::error("AcpiLeaveSleepStatePrep failed ",
res, " ", AcpiFormatException(res));
res = AcpiLeaveSleepState(sleep_state);
if (ACPI_FAILURE(res))
Genode::error("AcpiLeaveSleepState failed ",
res, " ", AcpiFormatException(res));
}
void state_changed() {
_system_state.update();
@ -98,6 +150,11 @@ struct Acpica::Statechange
" spaceid=", Hex(AcpiGbl_FADT.ResetRegister.SpaceId),
" addr=", Hex(space_addr));
}
suspend_prepare_check(state);
resume_check(state);
}
};
@ -139,6 +196,7 @@ struct Acpica::Main
sci_irq(env.ep(), *this, &Main::acpi_irq),
unchanged_state_max(config.xml().attribute_value("update_unchanged", 10U))
{
bool const enable_sleep = config.xml().attribute_value("sleep", false);
bool const enable_reset = config.xml().attribute_value("reset", false);
bool const enable_poweroff = config.xml().attribute_value("poweroff", false);
bool const enable_report = config.xml().attribute_value("report", false);
@ -152,8 +210,9 @@ struct Acpica::Main
if (enable_report)
report->enable();
if (enable_reset || enable_poweroff)
new (heap) Acpica::Statechange(env, enable_reset, enable_poweroff);
if (enable_reset || enable_poweroff || enable_sleep)
new (heap) Acpica::Statechange(env, enable_reset, enable_poweroff,
enable_sleep);
/* setup IRQ */
if (!irq_handler.handler) {