freebsd-dev/sys/contrib/dev/acpica/amlcode.h
2004-12-01 23:14:10 +00:00

590 lines
23 KiB
C

/******************************************************************************
*
* Name: amlcode.h - Definitions for AML, as included in "definition blocks"
* Declarations and definitions contained herein are derived
* directly from the ACPI specification.
* $Revision: 77 $
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
* All rights reserved.
*
* 2. License
*
* 2.1. This is your license from Intel Corp. under its intellectual property
* rights. You may have additional license terms from the party that provided
* you this software, covering your right to use that party's intellectual
* property rights.
*
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
* copy of the source code appearing in this file ("Covered Code") an
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
* base code distributed originally by Intel ("Original Intel Code") to copy,
* make derivatives, distribute, use and display any portion of the Covered
* Code in any form, with the right to sublicense such rights; and
*
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
* license (with the right to sublicense), under only those claims of Intel
* patents that are infringed by the Original Intel Code, to make, use, sell,
* offer to sell, and import the Covered Code and derivative works thereof
* solely to the minimum extent necessary to exercise the above copyright
* license, and in no event shall the patent license extend to any additions
* to or modifications of the Original Intel Code. No other license or right
* is granted directly or by implication, estoppel or otherwise;
*
* The above copyright and patent license is granted only if the following
* conditions are met:
*
* 3. Conditions
*
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification with rights to further distribute source must include
* the above Copyright Notice, the above License, this list of Conditions,
* and the following Disclaimer and Export Compliance provision. In addition,
* Licensee must cause all Covered Code to which Licensee contributes to
* contain a file documenting the changes Licensee made to create that Covered
* Code and the date of any change. Licensee must include in that file the
* documentation of any changes made by any predecessor Licensee. Licensee
* must include a prominent statement that the modification is derived,
* directly or indirectly, from Original Intel Code.
*
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
* Redistribution of source code of any substantial portion of the Covered
* Code or modification without rights to further distribute source must
* include the following Disclaimer and Export Compliance provision in the
* documentation and/or other materials provided with distribution. In
* addition, Licensee may not authorize further sublicense of source of any
* portion of the Covered Code, and must include terms to the effect that the
* license from Licensee to its licensee is limited to the intellectual
* property embodied in the software Licensee provides to its licensee, and
* not to intellectual property embodied in modifications its licensee may
* make.
*
* 3.3. Redistribution of Executable. Redistribution in executable form of any
* substantial portion of the Covered Code or modification must reproduce the
* above Copyright Notice, and the following Disclaimer and Export Compliance
* provision in the documentation and/or other materials provided with the
* distribution.
*
* 3.4. Intel retains all right, title, and interest in and to the Original
* Intel Code.
*
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
* Intel shall be used in advertising or otherwise to promote the sale, use or
* other dealings in products derived from or relating to the Covered Code
* without prior written authorization from Intel.
*
* 4. Disclaimer and Export Compliance
*
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
* PARTICULAR PURPOSE.
*
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
* LIMITED REMEDY.
*
* 4.3. Licensee shall not export, either directly or indirectly, any of this
* software or system incorporating such software without first obtaining any
* required license or other approval from the U. S. Department of Commerce or
* any other agency or department of the United States Government. In the
* event Licensee exports any such software from the United States or
* re-exports any such software from a foreign destination, Licensee shall
* ensure that the distribution and export/re-export of the software is in
* compliance with all laws, regulations, orders, or other restrictions of the
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
* any of its subsidiaries will export/re-export any technical data, process,
* software, or service, directly or indirectly, to any country for which the
* United States government or any agency thereof requires an export license,
* other governmental approval, or letter of assurance, without first obtaining
* such license, approval or letter.
*
*****************************************************************************/
#ifndef __AMLCODE_H__
#define __AMLCODE_H__
/* primary opcodes */
#define AML_NULL_CHAR (UINT16) 0x00
#define AML_ZERO_OP (UINT16) 0x00
#define AML_ONE_OP (UINT16) 0x01
#define AML_UNASSIGNED (UINT16) 0x02
#define AML_ALIAS_OP (UINT16) 0x06
#define AML_NAME_OP (UINT16) 0x08
#define AML_BYTE_OP (UINT16) 0x0a
#define AML_WORD_OP (UINT16) 0x0b
#define AML_DWORD_OP (UINT16) 0x0c
#define AML_STRING_OP (UINT16) 0x0d
#define AML_QWORD_OP (UINT16) 0x0e /* ACPI 2.0 */
#define AML_SCOPE_OP (UINT16) 0x10
#define AML_BUFFER_OP (UINT16) 0x11
#define AML_PACKAGE_OP (UINT16) 0x12
#define AML_VAR_PACKAGE_OP (UINT16) 0x13 /* ACPI 2.0 */
#define AML_METHOD_OP (UINT16) 0x14
#define AML_DUAL_NAME_PREFIX (UINT16) 0x2e
#define AML_MULTI_NAME_PREFIX_OP (UINT16) 0x2f
#define AML_NAME_CHAR_SUBSEQ (UINT16) 0x30
#define AML_NAME_CHAR_FIRST (UINT16) 0x41
#define AML_OP_PREFIX (UINT16) 0x5b
#define AML_ROOT_PREFIX (UINT16) 0x5c
#define AML_PARENT_PREFIX (UINT16) 0x5e
#define AML_LOCAL_OP (UINT16) 0x60
#define AML_LOCAL0 (UINT16) 0x60
#define AML_LOCAL1 (UINT16) 0x61
#define AML_LOCAL2 (UINT16) 0x62
#define AML_LOCAL3 (UINT16) 0x63
#define AML_LOCAL4 (UINT16) 0x64
#define AML_LOCAL5 (UINT16) 0x65
#define AML_LOCAL6 (UINT16) 0x66
#define AML_LOCAL7 (UINT16) 0x67
#define AML_ARG_OP (UINT16) 0x68
#define AML_ARG0 (UINT16) 0x68
#define AML_ARG1 (UINT16) 0x69
#define AML_ARG2 (UINT16) 0x6a
#define AML_ARG3 (UINT16) 0x6b
#define AML_ARG4 (UINT16) 0x6c
#define AML_ARG5 (UINT16) 0x6d
#define AML_ARG6 (UINT16) 0x6e
#define AML_STORE_OP (UINT16) 0x70
#define AML_REF_OF_OP (UINT16) 0x71
#define AML_ADD_OP (UINT16) 0x72
#define AML_CONCAT_OP (UINT16) 0x73
#define AML_SUBTRACT_OP (UINT16) 0x74
#define AML_INCREMENT_OP (UINT16) 0x75
#define AML_DECREMENT_OP (UINT16) 0x76
#define AML_MULTIPLY_OP (UINT16) 0x77
#define AML_DIVIDE_OP (UINT16) 0x78
#define AML_SHIFT_LEFT_OP (UINT16) 0x79
#define AML_SHIFT_RIGHT_OP (UINT16) 0x7a
#define AML_BIT_AND_OP (UINT16) 0x7b
#define AML_BIT_NAND_OP (UINT16) 0x7c
#define AML_BIT_OR_OP (UINT16) 0x7d
#define AML_BIT_NOR_OP (UINT16) 0x7e
#define AML_BIT_XOR_OP (UINT16) 0x7f
#define AML_BIT_NOT_OP (UINT16) 0x80
#define AML_FIND_SET_LEFT_BIT_OP (UINT16) 0x81
#define AML_FIND_SET_RIGHT_BIT_OP (UINT16) 0x82
#define AML_DEREF_OF_OP (UINT16) 0x83
#define AML_CONCAT_RES_OP (UINT16) 0x84 /* ACPI 2.0 */
#define AML_MOD_OP (UINT16) 0x85 /* ACPI 2.0 */
#define AML_NOTIFY_OP (UINT16) 0x86
#define AML_SIZE_OF_OP (UINT16) 0x87
#define AML_INDEX_OP (UINT16) 0x88
#define AML_MATCH_OP (UINT16) 0x89
#define AML_CREATE_DWORD_FIELD_OP (UINT16) 0x8a
#define AML_CREATE_WORD_FIELD_OP (UINT16) 0x8b
#define AML_CREATE_BYTE_FIELD_OP (UINT16) 0x8c
#define AML_CREATE_BIT_FIELD_OP (UINT16) 0x8d
#define AML_TYPE_OP (UINT16) 0x8e
#define AML_CREATE_QWORD_FIELD_OP (UINT16) 0x8f /* ACPI 2.0 */
#define AML_LAND_OP (UINT16) 0x90
#define AML_LOR_OP (UINT16) 0x91
#define AML_LNOT_OP (UINT16) 0x92
#define AML_LEQUAL_OP (UINT16) 0x93
#define AML_LGREATER_OP (UINT16) 0x94
#define AML_LLESS_OP (UINT16) 0x95
#define AML_TO_BUFFER_OP (UINT16) 0x96 /* ACPI 2.0 */
#define AML_TO_DECSTRING_OP (UINT16) 0x97 /* ACPI 2.0 */
#define AML_TO_HEXSTRING_OP (UINT16) 0x98 /* ACPI 2.0 */
#define AML_TO_INTEGER_OP (UINT16) 0x99 /* ACPI 2.0 */
#define AML_TO_STRING_OP (UINT16) 0x9c /* ACPI 2.0 */
#define AML_COPY_OP (UINT16) 0x9d /* ACPI 2.0 */
#define AML_MID_OP (UINT16) 0x9e /* ACPI 2.0 */
#define AML_CONTINUE_OP (UINT16) 0x9f /* ACPI 2.0 */
#define AML_IF_OP (UINT16) 0xa0
#define AML_ELSE_OP (UINT16) 0xa1
#define AML_WHILE_OP (UINT16) 0xa2
#define AML_NOOP_OP (UINT16) 0xa3
#define AML_RETURN_OP (UINT16) 0xa4
#define AML_BREAK_OP (UINT16) 0xa5
#define AML_BREAK_POINT_OP (UINT16) 0xcc
#define AML_ONES_OP (UINT16) 0xff
/* prefixed opcodes */
#define AML_EXTOP (UINT16) 0x005b
#define AML_MUTEX_OP (UINT16) 0x5b01
#define AML_EVENT_OP (UINT16) 0x5b02
#define AML_SHIFT_RIGHT_BIT_OP (UINT16) 0x5b10
#define AML_SHIFT_LEFT_BIT_OP (UINT16) 0x5b11
#define AML_COND_REF_OF_OP (UINT16) 0x5b12
#define AML_CREATE_FIELD_OP (UINT16) 0x5b13
#define AML_LOAD_TABLE_OP (UINT16) 0x5b1f /* ACPI 2.0 */
#define AML_LOAD_OP (UINT16) 0x5b20
#define AML_STALL_OP (UINT16) 0x5b21
#define AML_SLEEP_OP (UINT16) 0x5b22
#define AML_ACQUIRE_OP (UINT16) 0x5b23
#define AML_SIGNAL_OP (UINT16) 0x5b24
#define AML_WAIT_OP (UINT16) 0x5b25
#define AML_RESET_OP (UINT16) 0x5b26
#define AML_RELEASE_OP (UINT16) 0x5b27
#define AML_FROM_BCD_OP (UINT16) 0x5b28
#define AML_TO_BCD_OP (UINT16) 0x5b29
#define AML_UNLOAD_OP (UINT16) 0x5b2a
#define AML_REVISION_OP (UINT16) 0x5b30
#define AML_DEBUG_OP (UINT16) 0x5b31
#define AML_FATAL_OP (UINT16) 0x5b32
#define AML_TIMER_OP (UINT16) 0x5b33 /* ACPI 3.0 */
#define AML_REGION_OP (UINT16) 0x5b80
#define AML_FIELD_OP (UINT16) 0x5b81
#define AML_DEVICE_OP (UINT16) 0x5b82
#define AML_PROCESSOR_OP (UINT16) 0x5b83
#define AML_POWER_RES_OP (UINT16) 0x5b84
#define AML_THERMAL_ZONE_OP (UINT16) 0x5b85
#define AML_INDEX_FIELD_OP (UINT16) 0x5b86
#define AML_BANK_FIELD_OP (UINT16) 0x5b87
#define AML_DATA_REGION_OP (UINT16) 0x5b88 /* ACPI 2.0 */
/* Bogus opcodes (they are actually two separate opcodes) */
#define AML_LGREATEREQUAL_OP (UINT16) 0x9295
#define AML_LLESSEQUAL_OP (UINT16) 0x9294
#define AML_LNOTEQUAL_OP (UINT16) 0x9293
/*
* Internal opcodes
* Use only "Unknown" AML opcodes, don't attempt to use
* any valid ACPI ASCII values (A-Z, 0-9, '-')
*/
#define AML_INT_NAMEPATH_OP (UINT16) 0x002d
#define AML_INT_NAMEDFIELD_OP (UINT16) 0x0030
#define AML_INT_RESERVEDFIELD_OP (UINT16) 0x0031
#define AML_INT_ACCESSFIELD_OP (UINT16) 0x0032
#define AML_INT_BYTELIST_OP (UINT16) 0x0033
#define AML_INT_STATICSTRING_OP (UINT16) 0x0034
#define AML_INT_METHODCALL_OP (UINT16) 0x0035
#define AML_INT_RETURN_VALUE_OP (UINT16) 0x0036
#define AML_INT_EVAL_SUBTREE_OP (UINT16) 0x0037
#define ARG_NONE 0x0
/*
* Argument types for the AML Parser
* Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
* There can be up to 31 unique argument types
* Zero is reserved as end-of-list indicator
*/
#define ARGP_BYTEDATA 0x01
#define ARGP_BYTELIST 0x02
#define ARGP_CHARLIST 0x03
#define ARGP_DATAOBJ 0x04
#define ARGP_DATAOBJLIST 0x05
#define ARGP_DWORDDATA 0x06
#define ARGP_FIELDLIST 0x07
#define ARGP_NAME 0x08
#define ARGP_NAMESTRING 0x09
#define ARGP_OBJLIST 0x0A
#define ARGP_PKGLENGTH 0x0B
#define ARGP_SUPERNAME 0x0C
#define ARGP_TARGET 0x0D
#define ARGP_TERMARG 0x0E
#define ARGP_TERMLIST 0x0F
#define ARGP_WORDDATA 0x10
#define ARGP_QWORDDATA 0x11
#define ARGP_SIMPLENAME 0x12
/*
* Resolved argument types for the AML Interpreter
* Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
* There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
*
* Note1: These values are completely independent from the ACPI_TYPEs
* i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
*
* Note2: If and when 5 bits becomes insufficient, it would probably be best
* to convert to a 6-byte array of argument types, allowing 8 bits per argument.
*/
/* Single, simple types */
#define ARGI_ANYTYPE 0x01 /* Don't care */
#define ARGI_PACKAGE 0x02
#define ARGI_EVENT 0x03
#define ARGI_MUTEX 0x04
#define ARGI_DDBHANDLE 0x05
/* Interchangeable types (via implicit conversion) */
#define ARGI_INTEGER 0x06
#define ARGI_STRING 0x07
#define ARGI_BUFFER 0x08
#define ARGI_BUFFER_OR_STRING 0x09 /* Used by MID op only */
#define ARGI_COMPUTEDATA 0x0A /* Buffer, String, or Integer */
/* Reference objects */
#define ARGI_INTEGER_REF 0x0B
#define ARGI_OBJECT_REF 0x0C
#define ARGI_DEVICE_REF 0x0D
#define ARGI_REFERENCE 0x0E
#define ARGI_TARGETREF 0x0F /* Target, subject to implicit conversion */
#define ARGI_FIXED_TARGET 0x10 /* Target, no implicit conversion */
#define ARGI_SIMPLE_TARGET 0x11 /* Name, Local, Arg -- no implicit conversion */
/* Multiple/complex types */
#define ARGI_DATAOBJECT 0x12 /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
#define ARGI_COMPLEXOBJ 0x13 /* Buffer, String, or package (Used by INDEX op only) */
#define ARGI_REF_OR_STRING 0x14 /* Reference or String (Used by DEREFOF op only) */
#define ARGI_REGION_OR_FIELD 0x15 /* Used by LOAD op only */
/* Note: types above can expand to 0x1F maximum */
#define ARGI_INVALID_OPCODE 0xFFFFFFFF
/*
* hash offsets
*/
#define AML_EXTOP_HASH_OFFSET 22
#define AML_LNOT_HASH_OFFSET 19
/*
* opcode groups and types
*/
#define OPGRP_NAMED 0x01
#define OPGRP_FIELD 0x02
#define OPGRP_BYTELIST 0x04
/*
* Opcode information
*/
/* Opcode flags */
#define AML_LOGICAL 0x0001
#define AML_LOGICAL_NUMERIC 0x0002
#define AML_MATH 0x0004
#define AML_CREATE 0x0008
#define AML_FIELD 0x0010
#define AML_DEFER 0x0020
#define AML_NAMED 0x0040
#define AML_NSNODE 0x0080
#define AML_NSOPCODE 0x0100
#define AML_NSOBJECT 0x0200
#define AML_HAS_RETVAL 0x0400
#define AML_HAS_TARGET 0x0800
#define AML_HAS_ARGS 0x1000
#define AML_CONSTANT 0x2000
/* Convenient flag groupings */
#define AML_FLAGS_EXEC_0A_0T_1R AML_HAS_RETVAL
#define AML_FLAGS_EXEC_1A_0T_0R AML_HAS_ARGS /* Monadic1 */
#define AML_FLAGS_EXEC_1A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Monadic2 */
#define AML_FLAGS_EXEC_1A_1T_0R AML_HAS_ARGS | AML_HAS_TARGET
#define AML_FLAGS_EXEC_1A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Monadic2R */
#define AML_FLAGS_EXEC_2A_0T_0R AML_HAS_ARGS /* Dyadic1 */
#define AML_FLAGS_EXEC_2A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL /* Dyadic2 */
#define AML_FLAGS_EXEC_2A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Dyadic2R */
#define AML_FLAGS_EXEC_2A_2T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
#define AML_FLAGS_EXEC_3A_0T_0R AML_HAS_ARGS
#define AML_FLAGS_EXEC_3A_1T_1R AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
#define AML_FLAGS_EXEC_6A_0T_1R AML_HAS_ARGS | AML_HAS_RETVAL
/*
* The opcode Type is used in a dispatch table, do not change
* without updating the table.
*/
#define AML_TYPE_EXEC_0A_0T_1R 0x00
#define AML_TYPE_EXEC_1A_0T_0R 0x01 /* Monadic1 */
#define AML_TYPE_EXEC_1A_0T_1R 0x02 /* Monadic2 */
#define AML_TYPE_EXEC_1A_1T_0R 0x03
#define AML_TYPE_EXEC_1A_1T_1R 0x04 /* Monadic2R */
#define AML_TYPE_EXEC_2A_0T_0R 0x05 /* Dyadic1 */
#define AML_TYPE_EXEC_2A_0T_1R 0x06 /* Dyadic2 */
#define AML_TYPE_EXEC_2A_1T_1R 0x07 /* Dyadic2R */
#define AML_TYPE_EXEC_2A_2T_1R 0x08
#define AML_TYPE_EXEC_3A_0T_0R 0x09
#define AML_TYPE_EXEC_3A_1T_1R 0x0A
#define AML_TYPE_EXEC_6A_0T_1R 0x0B
/* End of types used in dispatch table */
#define AML_TYPE_LITERAL 0x0B
#define AML_TYPE_CONSTANT 0x0C
#define AML_TYPE_METHOD_ARGUMENT 0x0D
#define AML_TYPE_LOCAL_VARIABLE 0x0E
#define AML_TYPE_DATA_TERM 0x0F
/* Generic for an op that returns a value */
#define AML_TYPE_METHOD_CALL 0x10
/* Misc */
#define AML_TYPE_CREATE_FIELD 0x11
#define AML_TYPE_CREATE_OBJECT 0x12
#define AML_TYPE_CONTROL 0x13
#define AML_TYPE_NAMED_NO_OBJ 0x14
#define AML_TYPE_NAMED_FIELD 0x15
#define AML_TYPE_NAMED_SIMPLE 0x16
#define AML_TYPE_NAMED_COMPLEX 0x17
#define AML_TYPE_RETURN 0x18
#define AML_TYPE_UNDEFINED 0x19
#define AML_TYPE_BOGUS 0x1A
/*
* Opcode classes
*/
#define AML_CLASS_EXECUTE 0x00
#define AML_CLASS_CREATE 0x01
#define AML_CLASS_ARGUMENT 0x02
#define AML_CLASS_NAMED_OBJECT 0x03
#define AML_CLASS_CONTROL 0x04
#define AML_CLASS_ASCII 0x05
#define AML_CLASS_PREFIX 0x06
#define AML_CLASS_INTERNAL 0x07
#define AML_CLASS_RETURN_VALUE 0x08
#define AML_CLASS_METHOD_CALL 0x09
#define AML_CLASS_UNKNOWN 0x0A
/* Predefined Operation Region SpaceIDs */
typedef enum
{
REGION_MEMORY = 0,
REGION_IO,
REGION_PCI_CONFIG,
REGION_EC,
REGION_SMBUS,
REGION_CMOS,
REGION_PCI_BAR,
REGION_DATA_TABLE, /* Internal use only */
REGION_FIXED_HW = 0x7F
} AML_REGION_TYPES;
/* Comparison operation codes for MatchOp operator */
typedef enum
{
MATCH_MTR = 0,
MATCH_MEQ = 1,
MATCH_MLE = 2,
MATCH_MLT = 3,
MATCH_MGE = 4,
MATCH_MGT = 5
} AML_MATCH_OPERATOR;
#define MAX_MATCH_OPERATOR 5
/*
* FieldFlags
*
* This byte is extracted from the AML and includes three separate
* pieces of information about the field:
* 1) The field access type
* 2) The field update rule
* 3) The lock rule for the field
*
* Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
* 04 : LockRule (1 == Lock)
* 05 - 06 : UpdateRule
*/
#define AML_FIELD_ACCESS_TYPE_MASK 0x0F
#define AML_FIELD_LOCK_RULE_MASK 0x10
#define AML_FIELD_UPDATE_RULE_MASK 0x60
/* 1) Field Access Types */
typedef enum
{
AML_FIELD_ACCESS_ANY = 0x00,
AML_FIELD_ACCESS_BYTE = 0x01,
AML_FIELD_ACCESS_WORD = 0x02,
AML_FIELD_ACCESS_DWORD = 0x03,
AML_FIELD_ACCESS_QWORD = 0x04, /* ACPI 2.0 */
AML_FIELD_ACCESS_BUFFER = 0x05 /* ACPI 2.0 */
} AML_ACCESS_TYPE;
/* 2) Field Lock Rules */
typedef enum
{
AML_FIELD_LOCK_NEVER = 0x00,
AML_FIELD_LOCK_ALWAYS = 0x10
} AML_LOCK_RULE;
/* 3) Field Update Rules */
typedef enum
{
AML_FIELD_UPDATE_PRESERVE = 0x00,
AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
} AML_UPDATE_RULE;
/*
* Field Access Attributes.
* This byte is extracted from the AML via the
* AccessAs keyword
*/
typedef enum
{
AML_FIELD_ATTRIB_SMB_QUICK = 0x02,
AML_FIELD_ATTRIB_SMB_SEND_RCV = 0x04,
AML_FIELD_ATTRIB_SMB_BYTE = 0x06,
AML_FIELD_ATTRIB_SMB_WORD = 0x08,
AML_FIELD_ATTRIB_SMB_BLOCK = 0x0A,
AML_FIELD_ATTRIB_SMB_WORD_CALL = 0x0C,
AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
} AML_ACCESS_ATTRIBUTE;
/* Bit fields in MethodFlags byte */
#define AML_METHOD_ARG_COUNT 0x07
#define AML_METHOD_SERIALIZED 0x08
#define AML_METHOD_SYNCH_LEVEL 0xF0
/* METHOD_FLAGS_ARG_COUNT is not used internally, define additional flags */
#define AML_METHOD_INTERNAL_ONLY 0x01
#define AML_METHOD_RESERVED1 0x02
#define AML_METHOD_RESERVED2 0x04
#endif /* __AMLCODE_H__ */