60 lines
2.5 KiB
Diff
60 lines
2.5 KiB
Diff
|
From 07fa80eacaa17d3cc3865050244b79d39cc61944 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Zhang Jiao <zhangjiao2_yewu@cmss.chinamobile.com>
|
||
|
|
Date: Wed, 23 Oct 2024 14:34:56 +0800
|
||
|
|
Subject: [PATCH] acpi: ged: Add macro for acpi sleep control register
|
||
|
|
|
||
|
|
cheery-pick from edafc90ba481c586d0a649f34dcb8cd1f29c4259
|
||
|
|
|
||
|
|
Macro definition is added for acpi sleep control register, ged emulation
|
||
|
|
driver can use the macro , also it can be used in FDT table if ged is
|
||
|
|
exposed with FDT table.
|
||
|
|
|
||
|
|
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
|
||
|
|
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
|
||
|
|
Message-Id: <20240918014206.2165821-2-maobibo@loongson.cn>
|
||
|
|
Signed-off-by: Song Gao <gaosong@loongson.cn>
|
||
|
|
Signed-off-by: Zhang Jiao <zhangjiao2_yewu@cmss.chinamobile.com>
|
||
|
|
---
|
||
|
|
hw/acpi/generic_event_device.c | 6 +++---
|
||
|
|
include/hw/acpi/generic_event_device.h | 7 +++++--
|
||
|
|
2 files changed, 8 insertions(+), 5 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
|
||
|
|
index 4731a614a3..2ce7031f1a 100644
|
||
|
|
--- a/hw/acpi/generic_event_device.c
|
||
|
|
+++ b/hw/acpi/generic_event_device.c
|
||
|
|
@@ -203,9 +203,9 @@ static void ged_regs_write(void *opaque, hwaddr addr, uint64_t data,
|
||
|
|
|
||
|
|
switch (addr) {
|
||
|
|
case ACPI_GED_REG_SLEEP_CTL:
|
||
|
|
- slp_typ = (data >> 2) & 0x07;
|
||
|
|
- slp_en = (data >> 5) & 0x01;
|
||
|
|
- if (slp_en && slp_typ == 5) {
|
||
|
|
+ slp_typ = (data >> ACPI_GED_SLP_TYP_POS) & ACPI_GED_SLP_TYP_MASK;
|
||
|
|
+ slp_en = !!(data & ACPI_GED_SLP_EN);
|
||
|
|
+ if (slp_en && slp_typ == ACPI_GED_SLP_TYP_S5) {
|
||
|
|
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h
|
||
|
|
index 90fc41cbb8..8ed9534c57 100644
|
||
|
|
--- a/include/hw/acpi/generic_event_device.h
|
||
|
|
+++ b/include/hw/acpi/generic_event_device.h
|
||
|
|
@@ -81,8 +81,11 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED)
|
||
|
|
/* ACPI_GED_REG_RESET value for reset*/
|
||
|
|
#define ACPI_GED_RESET_VALUE 0x42
|
||
|
|
|
||
|
|
-/* ACPI_GED_REG_SLEEP_CTL.SLP_TYP value for S5 (aka poweroff) */
|
||
|
|
-#define ACPI_GED_SLP_TYP_S5 0x05
|
||
|
|
+/* [ACPI 5.0 Chapter 4.8.3.7] Sleep Control and Status Register */
|
||
|
|
+#define ACPI_GED_SLP_TYP_POS 0x2 /* SLP_TYPx Bit Offset */
|
||
|
|
+#define ACPI_GED_SLP_TYP_MASK 0x07 /* SLP_TYPx 3-bit mask */
|
||
|
|
+#define ACPI_GED_SLP_TYP_S5 0x05 /* System _S5 State (Soft Off) */
|
||
|
|
+#define ACPI_GED_SLP_EN 0x20 /* SLP_EN write-only bit */
|
||
|
|
|
||
|
|
#define GED_DEVICE "GED"
|
||
|
|
#define AML_GED_EVT_REG "EREG"
|
||
|
|
--
|
||
|
|
2.41.0.windows.1
|
||
|
|
|