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ACPI 5.0: Basic support for FADT version 5

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Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2011-11-16 10:42:09 +08:00 committed by Len Brown
parent ec4636669b
commit 2355e10f07
2 changed files with 18 additions and 8 deletions
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4
drivers/acpi/acpica/tbfadt.c
View File

@ -277,12 +277,12 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
{
/*
* Check if the FADT is larger than the largest table that we expect
* (the ACPI 2.0/3.0 version). If so, truncate the table, and issue
* (the ACPI 5.0 version). If so, truncate the table, and issue
* a warning.
*/
if (length > sizeof(struct acpi_table_fadt)) {
ACPI_WARNING((AE_INFO,
"FADT (revision %u) is longer than ACPI 2.0 version, "
"FADT (revision %u) is longer than ACPI 5.0 version, "
"truncating length %u to %u",
table->revision, length,
(u32)sizeof(struct acpi_table_fadt)));

22
include/acpi/actbl.h
View File

@ -255,6 +255,8 @@ struct acpi_table_fadt {
struct acpi_generic_address xpm_timer_block; /* 64-bit Extended Power Mgt Timer Ctrl Reg Blk address */
struct acpi_generic_address xgpe0_block; /* 64-bit Extended General Purpose Event 0 Reg Blk address */
struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
struct acpi_generic_address sleep_control; /* 64-bit Sleep Control register */
struct acpi_generic_address sleep_status; /* 64-bit Sleep Status register */
};
/* Masks for FADT Boot Architecture Flags (boot_flags) */
@ -264,6 +266,7 @@ struct acpi_table_fadt {
#define ACPI_FADT_NO_VGA (1<<2) /* 02: [V4] It is not safe to probe for VGA hardware */
#define ACPI_FADT_NO_MSI (1<<3) /* 03: [V4] Message Signaled Interrupts (MSI) must not be enabled */
#define ACPI_FADT_NO_ASPM (1<<4) /* 04: [V4] PCIe ASPM control must not be enabled */
#define ACPI_FADT_NO_CMOS_RTC (1<<5) /* 05: [V5] No CMOS real-time clock present */
#define FADT2_REVISION_ID 3
@ -289,6 +292,8 @@ struct acpi_table_fadt {
#define ACPI_FADT_REMOTE_POWER_ON (1<<17) /* 17: [V4] System is compatible with remote power on (ACPI 3.0) */
#define ACPI_FADT_APIC_CLUSTER (1<<18) /* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
#define ACPI_FADT_APIC_PHYSICAL (1<<19) /* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
#define ACPI_FADT_HW_REDUCED (1<<20) /* 20: [V5] ACPI hardware is not implemented (ACPI 5.0) */
#define ACPI_FADT_LOW_POWER_S0 (1<<21) /* 21: [V5] S0 power savings are equal or better than S3 (ACPI 5.0) */
/* Values for preferred_profile (Preferred Power Management Profiles) */
@ -299,14 +304,16 @@ enum acpi_prefered_pm_profiles {
PM_WORKSTATION = 3,
PM_ENTERPRISE_SERVER = 4,
PM_SOHO_SERVER = 5,
PM_APPLIANCE_PC = 6
PM_APPLIANCE_PC = 6,
PM_PERFORMANCE_SERVER = 7,
PM_TABLET = 8
};
/* Reset to default packing */
#pragma pack()
#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
#define ACPI_FADT_OFFSET(f) (u16) ACPI_OFFSET (struct acpi_table_fadt, f)
/*
* Internal table-related structures
@ -351,12 +358,15 @@ struct acpi_table_desc {
* FADT is the bottom line as to what the version really is.
*
* For reference, the values below are as follows:
* FADT V1 size: 0x74
* FADT V2 size: 0x84
* FADT V3+ size: 0xF4
* FADT V1 size: 0x074
* FADT V2 size: 0x084
* FADT V3 size: 0x0F4
* FADT V4 size: 0x0F4
* FADT V5 size: 0x10C
*/
#define ACPI_FADT_V1_SIZE (u32) (ACPI_FADT_OFFSET (flags) + 4)
#define ACPI_FADT_V2_SIZE (u32) (ACPI_FADT_OFFSET (reserved4[0]) + 3)
#define ACPI_FADT_V3_SIZE (u32) (sizeof (struct acpi_table_fadt))
#define ACPI_FADT_V3_SIZE (u32) (ACPI_FADT_OFFSET (sleep_control))
#define ACPI_FADT_V5_SIZE (u32) (sizeof (struct acpi_table_fadt))
#endif /* __ACTBL_H__ */