The control method sleep button is added, as well as its GPE event
handler.
Co-Developed-by: Miguel Luis <miguel.l...@oracle.com>
Signed-off-by: Annie Li <annie...@oracle.com>
---
hw/acpi/control_method_device.c | 49 +++++++++++++++++++++++++
hw/acpi/meson.build | 1 +
include/hw/acpi/control_method_device.h | 20 ++++++++++
3 files changed, 70 insertions(+)
diff --git a/hw/acpi/control_method_device.c b/hw/acpi/control_method_device.c
new file mode 100644
index 0000000000..9e4841b8e2
--- /dev/null
+++ b/hw/acpi/control_method_device.c
@@ -0,0 +1,49 @@
+/*
+ * Control method devices
+ *
+ * Copyright (C) 2023 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "hw/acpi/control_method_device.h"
+#include "hw/mem/nvdimm.h"
+
+void acpi_dsdt_add_sleep_button(Aml *scope)
+{
+ Aml *dev = aml_device("\\_SB."ACPI_SLEEP_BUTTON_DEVICE);
+ aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C0E")));
+ Aml *pkg = aml_package(2);
+ aml_append(pkg, aml_int(0x01));
+ aml_append(pkg, aml_int(0x04));
+ aml_append(dev, aml_name_decl("_PRW", pkg));
+ aml_append(dev, aml_operation_region("\\Boo", AML_SYSTEM_IO,
+ aml_int(0x201), 0x1));
+ Aml *field = aml_field("\\Boo", AML_BYTE_ACC, AML_NOLOCK,
+ AML_WRITE_AS_ZEROS);
+ aml_append(field, aml_named_field("SBP", 1));
+ aml_append(field, aml_named_field("SBW", 1));
+ aml_append(dev, field);
+ aml_append(scope, dev);
+}
+
+void acpi_dsdt_add_sleep_gpe_event_handler(Aml *scope)
+{
+ Aml *method = aml_method("_L07", 0, AML_NOTSERIALIZED);
+ Aml *condition = aml_if(aml_name("\\_SB.SLPB.SBP"));
+ aml_append(condition, aml_store(aml_int(1), aml_name("\\_SB.SLPB.SBP")));
+ aml_append(condition,
+ aml_notify(aml_name("\\_SB."ACPI_SLEEP_BUTTON_DEVICE),
+ aml_int(0x80)));
+ aml_append(method, condition);
+ condition = aml_if(aml_name("\\_SB.SLPB.SBW"));
+ aml_append(condition, aml_store(aml_int(1), aml_name("\\_SB.SLPB.SBW")));
+ aml_append(condition,
+ aml_notify(aml_name("\\_SB."ACPI_SLEEP_BUTTON_DEVICE),
+ aml_int(0x2)));
+ aml_append(method, condition);
+ aml_append(scope, method);
+}
diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build
index fc1b952379..486d28cf42 100644
--- a/hw/acpi/meson.build
+++ b/hw/acpi/meson.build
@@ -16,6 +16,7 @@ acpi_ss.add(when: 'CONFIG_ACPI_PCI', if_true: files('pci.c'))
acpi_ss.add(when: 'CONFIG_ACPI_CXL', if_true: files('cxl.c'), if_false:
files('cxl-stub.c'))
acpi_ss.add(when: 'CONFIG_ACPI_VMGENID', if_true: files('vmgenid.c'))
acpi_ss.add(when: 'CONFIG_ACPI_HW_REDUCED', if_true:
files('generic_event_device.c'))
+acpi_ss.add(when: 'CONFIG_ACPI_HW_REDUCED', if_true:
files('control_method_device.c'))
acpi_ss.add(when: 'CONFIG_ACPI_HMAT', if_true: files('hmat.c'))
acpi_ss.add(when: 'CONFIG_ACPI_APEI', if_true: files('ghes.c'), if_false:
files('ghes-stub.c'))
acpi_ss.add(when: 'CONFIG_ACPI_PIIX4', if_true: files('piix4.c'))
diff --git a/include/hw/acpi/control_method_device.h
b/include/hw/acpi/control_method_device.h
new file mode 100644
index 0000000000..bce20512c4
--- /dev/null
+++ b/include/hw/acpi/control_method_device.h
@@ -0,0 +1,20 @@
+/*
+ * Control method devices
+ *
+ * Copyright (C) 2023 Oracle and/or its affiliates.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+
+#ifndef HW_ACPI_CONTROL_METHOD_DEVICE_H
+#define HW_ACPI_CONTROL_NETHOD_DEVICE_H
+
+#define ACPI_SLEEP_BUTTON_DEVICE "SLPB"
+
+void acpi_dsdt_add_sleep_button(Aml *scope);
+void acpi_dsdt_add_sleep_gpe_event_handler(Aml *scope);
+
+#endif
--
2.34.3
