[linux.git] / include / acpi / acconfig.h

/******************************************************************************
 *
 * Name: acconfig.h - Global configuration constants
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2005, R. Byron Moore
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef _ACCONFIG_H
#define _ACCONFIG_H


/******************************************************************************
 *
 * Configuration options
 *
 *****************************************************************************/

/*
 * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
 *                        ACPI subsystem.  This includes the DEBUG_PRINT output
 *                        statements.  When disabled, all DEBUG_PRINT
 *                        statements are compiled out.
 *
 * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
 *                        at the application level.
 *
 */

/* Version string */

#define ACPI_CA_VERSION                 0x20050408

/*
 * OS name, used for the _OS object.  The _OS object is essentially obsolete,
 * but there is a large base of ASL/AML code in existing machines that check
 * for the string below.  The use of this string usually guarantees that
 * the ASL will execute down the most tested code path.  Also, there is some
 * code that will not execute the _OSI method unless _OS matches the string
 * below.  Therefore, change this string at your own risk.
 */
#define ACPI_OS_NAME                    "Microsoft Windows NT"

/* Maximum objects in the various object caches */

#define ACPI_MAX_STATE_CACHE_DEPTH      64          /* State objects */
#define ACPI_MAX_PARSE_CACHE_DEPTH      96          /* Parse tree objects */
#define ACPI_MAX_EXTPARSE_CACHE_DEPTH   64          /* Parse tree objects */
#define ACPI_MAX_OBJECT_CACHE_DEPTH     64          /* Interpreter operand objects */
#define ACPI_MAX_WALK_CACHE_DEPTH       4           /* Objects for parse tree walks */

/*
 * Should the subystem abort the loading of an ACPI table if the
 * table checksum is incorrect?
 */
#define ACPI_CHECKSUM_ABORT             FALSE


/******************************************************************************
 *
 * Subsystem Constants
 *
 *****************************************************************************/

/* Version of ACPI supported */

#define ACPI_CA_SUPPORT_LEVEL           3

/* String size constants */

#define ACPI_MAX_STRING_LENGTH          512
#define ACPI_PATHNAME_MAX               256         /* A full namespace pathname */

/* Maximum count for a semaphore object */

#define ACPI_MAX_SEMAPHORE_COUNT        256

/* Max reference count (for debug only) */

#define ACPI_MAX_REFERENCE_COUNT        0x400

/* Size of cached memory mapping for system memory operation region */

#define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096


/******************************************************************************
 *
 * ACPI Specification constants (Do not change unless the specification changes)
 *
 *****************************************************************************/

/* Number of distinct GPE register blocks and register width */

#define ACPI_MAX_GPE_BLOCKS             2
#define ACPI_GPE_REGISTER_WIDTH         8

/* Method info (in WALK_STATE), containing local variables and argumetns */

#define ACPI_METHOD_NUM_LOCALS          8
#define ACPI_METHOD_MAX_LOCAL           7

#define ACPI_METHOD_NUM_ARGS            7
#define ACPI_METHOD_MAX_ARG             6

/* Maximum length of resulting string when converting from a buffer */

#define ACPI_MAX_STRING_CONVERSION      200

/* Length of _HID, _UID, and _CID values */

#define ACPI_DEVICE_ID_LENGTH           0x09
#define ACPI_MAX_CID_LENGTH             48

/*
 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
 */
#define ACPI_OBJ_NUM_OPERANDS           8
#define ACPI_OBJ_MAX_OPERAND            7

/* Names within the namespace are 4 bytes long */

#define ACPI_NAME_SIZE                  4
#define ACPI_PATH_SEGMENT_LENGTH        5           /* 4 chars for name + 1 char for separator */
#define ACPI_PATH_SEPARATOR             '.'

/* Constants used in searching for the RSDP in low memory */

#define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
#define ACPI_EBDA_PTR_LENGTH            2
#define ACPI_EBDA_WINDOW_SIZE           1024
#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
#define ACPI_RSDP_SCAN_STEP             16

/* Operation regions */

#define ACPI_NUM_PREDEFINED_REGIONS     8
#define ACPI_USER_REGION_BEGIN          0x80

/* Maximum space_ids for Operation Regions */

#define ACPI_MAX_ADDRESS_SPACE          255

/* Array sizes.  Used for range checking also */

#define ACPI_NUM_ACCESS_TYPES           6
#define ACPI_NUM_UPDATE_RULES           3
#define ACPI_NUM_LOCK_RULES             2
#define ACPI_NUM_MATCH_OPS              6
#define ACPI_NUM_OPCODES                256
#define ACPI_NUM_FIELD_NAMES            2

/* RSDP checksums */

#define ACPI_RSDP_CHECKSUM_LENGTH       20
#define ACPI_RSDP_XCHECKSUM_LENGTH      36

/* SMBus bidirectional buffer size */

#define ACPI_SMBUS_BUFFER_SIZE          34

/* Number of strings associated with the _OSI reserved method */

#define ACPI_NUM_OSI_STRINGS            10


/******************************************************************************
 *
 * ACPI AML Debugger
 *
 *****************************************************************************/

#define ACPI_DEBUGGER_MAX_ARGS          8  /* Must be max method args + 1 */

#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'


#endif /* _ACCONFIG_H */
Commit	Line	Data
1da177e4 LT	1	/******************************************************************************
	2	*
	3	* Name: acconfig.h - Global configuration constants
	4	*
	5	*****************************************************************************/
	6
	7	/*
	8	* Copyright (C) 2000 - 2005, R. Byron Moore
	9	* All rights reserved.
	10	*
	11	* Redistribution and use in source and binary forms, with or without
	12	* modification, are permitted provided that the following conditions
	13	* are met:
	14	* 1. Redistributions of source code must retain the above copyright
	15	* notice, this list of conditions, and the following disclaimer,
	16	* without modification.
	17	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	18	* substantially similar to the "NO WARRANTY" disclaimer below
	19	* ("Disclaimer") and any redistribution must be conditioned upon
	20	* including a substantially similar Disclaimer requirement for further
	21	* binary redistribution.
	22	* 3. Neither the names of the above-listed copyright holders nor the names
	23	* of any contributors may be used to endorse or promote products derived
	24	* from this software without specific prior written permission.
	25	*
	26	* Alternatively, this software may be distributed under the terms of the
	27	* GNU General Public License ("GPL") version 2 as published by the Free
	28	* Software Foundation.
	29	*
	30	* NO WARRANTY
	31	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	32	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	33	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	34	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	35	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	36	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	37	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	38	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	39	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	40	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	41	* POSSIBILITY OF SUCH DAMAGES.
	42	*/
	43
	44	#ifndef _ACCONFIG_H
	45	#define _ACCONFIG_H
	46
	47
	48	/******************************************************************************
	49	*
	50	* Configuration options
	51	*
	52	*****************************************************************************/
	53
	54	/*
	55	* ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
	56	* ACPI subsystem. This includes the DEBUG_PRINT output
	57	* statements. When disabled, all DEBUG_PRINT
	58	* statements are compiled out.
	59	*
	60	* ACPI_APPLICATION - Use this switch if the subsystem is going to be run
	61	* at the application level.
	62	*
	63	*/
	64
65	/* Version string */
66
44f6c012	67	#define ACPI_CA_VERSION 0x20050408
1da177e4 LT	68
	69	/*
	70	* OS name, used for the _OS object. The _OS object is essentially obsolete,
	71	* but there is a large base of ASL/AML code in existing machines that check
	72	* for the string below. The use of this string usually guarantees that
	73	* the ASL will execute down the most tested code path. Also, there is some
	74	* code that will not execute the _OSI method unless _OS matches the string
	75	* below. Therefore, change this string at your own risk.
	76	*/
	77	#define ACPI_OS_NAME "Microsoft Windows NT"
	78
	79	/* Maximum objects in the various object caches */
	80
	81	#define ACPI_MAX_STATE_CACHE_DEPTH 64 /* State objects */
	82	#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
	83	#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 64 /* Parse tree objects */
	84	#define ACPI_MAX_OBJECT_CACHE_DEPTH 64 /* Interpreter operand objects */
	85	#define ACPI_MAX_WALK_CACHE_DEPTH 4 /* Objects for parse tree walks */
	86
	87	/*
	88	* Should the subystem abort the loading of an ACPI table if the
	89	* table checksum is incorrect?
	90	*/
	91	#define ACPI_CHECKSUM_ABORT FALSE
	92
	93
	94	/******************************************************************************
	95	*
	96	* Subsystem Constants
	97	*
	98	*****************************************************************************/
	99
	100	/* Version of ACPI supported */
	101
	102	#define ACPI_CA_SUPPORT_LEVEL 3
	103
	104	/* String size constants */
	105
	106	#define ACPI_MAX_STRING_LENGTH 512
	107	#define ACPI_PATHNAME_MAX 256 /* A full namespace pathname */
	108
	109	/* Maximum count for a semaphore object */
	110
	111	#define ACPI_MAX_SEMAPHORE_COUNT 256
	112
	113	/* Max reference count (for debug only) */
	114
	115	#define ACPI_MAX_REFERENCE_COUNT 0x400
	116
	117	/* Size of cached memory mapping for system memory operation region */
	118
	119	#define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096
	120
	121
	122	/******************************************************************************
	123	*
	124	* ACPI Specification constants (Do not change unless the specification changes)
	125	*
	126	*****************************************************************************/
	127
	128	/* Number of distinct GPE register blocks and register width */
	129
	130	#define ACPI_MAX_GPE_BLOCKS 2
	131	#define ACPI_GPE_REGISTER_WIDTH 8
132
44f6c012 RM	133	/* Method info (in WALK_STATE), containing local variables and argumetns */
44f6c012 RM	134
1da177e4 LT	135	#define ACPI_METHOD_NUM_LOCALS 8
	136	#define ACPI_METHOD_MAX_LOCAL 7
	137
	138	#define ACPI_METHOD_NUM_ARGS 7
	139	#define ACPI_METHOD_MAX_ARG 6
	140
	141	/* Maximum length of resulting string when converting from a buffer */
	142
	143	#define ACPI_MAX_STRING_CONVERSION 200
	144
	145	/* Length of _HID, _UID, and _CID values */
	146
	147	#define ACPI_DEVICE_ID_LENGTH 0x09
	148	#define ACPI_MAX_CID_LENGTH 48
	149
	150	/*
	151	* Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
	152	*/
	153	#define ACPI_OBJ_NUM_OPERANDS 8
	154	#define ACPI_OBJ_MAX_OPERAND 7
	155
	156	/* Names within the namespace are 4 bytes long */
	157
	158	#define ACPI_NAME_SIZE 4
	159	#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */
	160	#define ACPI_PATH_SEPARATOR '.'
	161
	162	/* Constants used in searching for the RSDP in low memory */
	163
	164	#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
	165	#define ACPI_EBDA_PTR_LENGTH 2
	166	#define ACPI_EBDA_WINDOW_SIZE 1024
	167	#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
	168	#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
	169	#define ACPI_RSDP_SCAN_STEP 16
	170
	171	/* Operation regions */
	172
	173	#define ACPI_NUM_PREDEFINED_REGIONS 8
	174	#define ACPI_USER_REGION_BEGIN 0x80
	175
	176	/* Maximum space_ids for Operation Regions */
	177
	178	#define ACPI_MAX_ADDRESS_SPACE 255
	179
	180	/* Array sizes. Used for range checking also */
	181
	182	#define ACPI_NUM_ACCESS_TYPES 6
	183	#define ACPI_NUM_UPDATE_RULES 3
	184	#define ACPI_NUM_LOCK_RULES 2
	185	#define ACPI_NUM_MATCH_OPS 6
	186	#define ACPI_NUM_OPCODES 256
	187	#define ACPI_NUM_FIELD_NAMES 2
	188
	189	/* RSDP checksums */
	190
	191	#define ACPI_RSDP_CHECKSUM_LENGTH 20
	192	#define ACPI_RSDP_XCHECKSUM_LENGTH 36
	193
	194	/* SMBus bidirectional buffer size */
	195
	196	#define ACPI_SMBUS_BUFFER_SIZE 34
	197
	198	/* Number of strings associated with the _OSI reserved method */
199
200	#define ACPI_NUM_OSI_STRINGS 10
201
202
203	/******************************************************************************
204	*
205	* ACPI AML Debugger
206	*
207	*****************************************************************************/
208
209	#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
210
211	#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
212	#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
213
214
215	#endif /* _ACCONFIG_H */
216