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-rw-r--r--src/arch/x86/acpi_s3.c16
-rw-r--r--src/arch/x86/include/arch/acpi.h15
2 files changed, 20 insertions, 11 deletions
diff --git a/src/arch/x86/acpi_s3.c b/src/arch/x86/acpi_s3.c
index 7855a2f28d..c327cbd93a 100644
--- a/src/arch/x86/acpi_s3.c
+++ b/src/arch/x86/acpi_s3.c
@@ -36,13 +36,13 @@ int acpi_get_sleep_type(void)
if (handoff == NULL) {
printk(BIOS_DEBUG, "Unknown boot method, assuming normal.\n");
- return 0;
+ return ACPI_S0;
} else if (handoff->s3_resume) {
printk(BIOS_DEBUG, "S3 Resume.\n");
- return 3;
+ return ACPI_S3;
} else {
printk(BIOS_DEBUG, "Normal boot.\n");
- return 0;
+ return ACPI_S0;
}
}
#endif
@@ -57,25 +57,25 @@ int acpi_is_wakeup(void)
{
acpi_handoff_wakeup();
/* Both resume from S2 and resume from S3 restart at CPU reset */
- return (acpi_slp_type == 3 || acpi_slp_type == 2);
+ return (acpi_slp_type == ACPI_S3 || acpi_slp_type == ACPI_S2);
}
int acpi_is_wakeup_s3(void)
{
acpi_handoff_wakeup();
- return (acpi_slp_type == 3);
+ return (acpi_slp_type == ACPI_S3);
}
int acpi_is_wakeup_s4(void)
{
acpi_handoff_wakeup();
- return (acpi_slp_type == 4);
+ return (acpi_slp_type == ACPI_S4);
}
void acpi_fail_wakeup(void)
{
- if (acpi_slp_type == 3 || acpi_slp_type == 2)
- acpi_slp_type = 0;
+ if (acpi_slp_type == ACPI_S3 || acpi_slp_type == ACPI_S2)
+ acpi_slp_type = ACPI_S0;
}
#endif /* ENV_RAMSTAGE */
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 7434000560..03cd70948e 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -615,7 +615,16 @@ void acpi_prepare_resume_backup(void);
void mainboard_suspend_resume(void);
void *acpi_find_wakeup_vector(void);
-/* Returns 0 = S0, 1 = S1 ... */
+enum {
+ ACPI_S0,
+ ACPI_S1,
+ ACPI_S2,
+ ACPI_S3,
+ ACPI_S4,
+ ACPI_S5,
+};
+
+/* Returns ACPI_Sx values. */
int acpi_get_sleep_type(void);
static inline int acpi_s3_resume_allowed(void)
@@ -629,7 +638,7 @@ extern int acpi_slp_type;
#ifdef __PRE_RAM__
static inline int acpi_is_wakeup_s3(void)
{
- return (acpi_get_sleep_type() == 3);
+ return (acpi_get_sleep_type() == ACPI_S3);
}
#else
int acpi_is_wakeup(void);
@@ -639,7 +648,7 @@ int acpi_is_wakeup_s4(void);
void acpi_prepare_for_resume(void);
#else
-#define acpi_slp_type 0
+#define acpi_slp_type ACPI_S0
static inline int acpi_is_wakeup(void) { return 0; }
static inline int acpi_is_wakeup_s3(void) { return 0; }
static inline int acpi_is_wakeup_s4(void) { return 0; }