*****************************************************************************/
/*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2010, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#ifndef __ACTBL_H__
#define __ACTBL_H__
+/*******************************************************************************
+ *
+ * Fundamental ACPI tables
+ *
+ * This file contains definitions for the ACPI tables that are directly consumed
+ * by ACPICA. All other tables are consumed by the OS-dependent ACPI-related
+ * device drivers and other OS support code.
+ *
+ * The RSDP and FACS do not use the common ACPI table header. All other ACPI
+ * tables use the header.
+ *
+ ******************************************************************************/
+
/*
- * Values for description table header signatures. Useful because they make
- * it more difficult to inadvertently type in the wrong signature.
+ * Values for description table header signatures for tables defined in this
+ * file. Useful because they make it more difficult to inadvertently type in
+ * the wrong signature.
*/
#define ACPI_SIG_DSDT "DSDT" /* Differentiated System Description Table */
#define ACPI_SIG_FADT "FACP" /* Fixed ACPI Description Table */
#pragma pack(1)
/*
- * These are the ACPI tables that are directly consumed by the subsystem.
- *
- * The RSDP and FACS do not use the common ACPI table header. All other ACPI
- * tables use the header.
- *
* Note about bitfields: The u8 type is used for bitfields in ACPI tables.
* This is the only type that is even remotely portable. Anything else is not
* portable, so do not use any other bitfield types.
/*******************************************************************************
*
- * ACPI Table Header. This common header is used by all tables except the
- * RSDP and FACS. The define is used for direct inclusion of header into
- * other ACPI tables
+ * Master ACPI Table Header. This common header is used by all ACPI tables
+ * except the RSDP and FACS.
*
******************************************************************************/
u32 asl_compiler_revision; /* ASL compiler version */
};
-/*
+/*******************************************************************************
+ *
* GAS - Generic Address Structure (ACPI 2.0+)
*
* Note: Since this structure is used in the ACPI tables, it is byte aligned.
- * If misalignment is not supported, access to the Address field must be
- * performed with care.
- */
+ * If misaliged access is not supported by the hardware, accesses to the
+ * 64-bit Address field must be performed with care.
+ *
+ ******************************************************************************/
+
struct acpi_generic_address {
u8 space_id; /* Address space where struct or register exists */
u8 bit_width; /* Size in bits of given register */
/*******************************************************************************
*
* RSDP - Root System Description Pointer (Signature is "RSD PTR ")
+ * Version 2
*
******************************************************************************/
/*******************************************************************************
*
* RSDT/XSDT - Root System Description Tables
+ * Version 1 (both)
*
******************************************************************************/
u8 reserved1[24]; /* Reserved, must be zero */
};
-/* global_lock flags */
+/* Masks for global_lock flag field above */
#define ACPI_GLOCK_PENDING (1) /* 00: Pending global lock ownership */
#define ACPI_GLOCK_OWNED (1<<1) /* 01: Global lock is owned */
-/* Flags */
+/* Masks for Flags field above */
#define ACPI_FACS_S4_BIOS_PRESENT (1) /* 00: S4BIOS support is present */
#define ACPI_FACS_64BIT_WAKE (1<<1) /* 01: 64-bit wake vector supported (ACPI 4.0) */
-/* ospm_flags */
+/* Masks for ospm_flags field above */
#define ACPI_FACS_64BIT_ENVIRONMENT (1) /* 00: 64-bit wake environment is required (ACPI 4.0) */
/*******************************************************************************
*
* FADT - Fixed ACPI Description Table (Signature "FACP")
+ * Version 4
*
******************************************************************************/
struct acpi_generic_address xgpe1_block; /* 64-bit Extended General Purpose Event 1 Reg Blk address */
};
-/* FADT Boot Architecture Flags (boot_flags) */
+/* Masks for FADT Boot Architecture Flags (boot_flags) */
#define ACPI_FADT_LEGACY_DEVICES (1) /* 00: [V2] System has LPC or ISA bus devices */
#define ACPI_FADT_8042 (1<<1) /* 01: [V3] System has an 8042 controller on port 60/64 */
#define FADT2_REVISION_ID 3
-/* FADT flags */
+/* Masks for FADT flags */
#define ACPI_FADT_WBINVD (1) /* 00: [V1] The wbinvd instruction works properly */
#define ACPI_FADT_WBINVD_FLUSH (1<<1) /* 01: [V1] wbinvd flushes but does not invalidate caches */
#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) */
-/* FADT Prefered Power Management Profiles */
+/* Values for preferred_profile (Prefered Power Management Profiles) */
enum acpi_prefered_pm_profiles {
PM_UNSPECIFIED = 0,
#define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_fadt, f)
+/*
+ * Internal table-related structures
+ */
union acpi_name_union {
u32 integer;
char ascii[4];
};
-/*
- * Internal ACPI Table Descriptor. One per ACPI table
- */
+/* Internal ACPI Table Descriptor. One per ACPI table. */
+
struct acpi_table_desc {
acpi_physical_address address;
struct acpi_table_header *pointer;
u8 flags;
};
-/* Flags for above */
+/* Masks for Flags field above */
#define ACPI_TABLE_ORIGIN_UNKNOWN (0)
#define ACPI_TABLE_ORIGIN_MAPPED (1)
*/
#include <acpi/actbl1.h>
+#include <acpi/actbl2.h>
#endif /* __ACTBL_H__ */
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