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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 * Configuration options
50 *
51 *****************************************************************************/
52
53/*
54 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
55 * ACPI subsystem. This includes the DEBUG_PRINT output
56 * statements. When disabled, all DEBUG_PRINT
57 * statements are compiled out.
58 *
59 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run
60 * at the application level.
61 *
62 */
63
64/* Version string */
65
66#define ACPI_CA_VERSION 0x20050902
67
68/*
69 * OS name, used for the _OS object. The _OS object is essentially obsolete,
70 * but there is a large base of ASL/AML code in existing machines that check
71 * for the string below. The use of this string usually guarantees that
72 * the ASL will execute down the most tested code path. Also, there is some
73 * code that will not execute the _OSI method unless _OS matches the string
74 * below. Therefore, change this string at your own risk.
75 */
76#define ACPI_OS_NAME "Microsoft Windows NT"
77
78/* Maximum objects in the various object caches */
79
80#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
81#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
82#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
83#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
84
85/*
86 * Should the subystem abort the loading of an ACPI table if the
87 * table checksum is incorrect?
88 */
89#define ACPI_CHECKSUM_ABORT FALSE
90
91/******************************************************************************
92 *
93 * Subsystem Constants
94 *
95 *****************************************************************************/
96
97/* Version of ACPI supported */
98
99#define ACPI_CA_SUPPORT_LEVEL 3
100
101/* String size constants */
102
103#define ACPI_MAX_STRING_LENGTH 512
104#define ACPI_PATHNAME_MAX 256 /* A full namespace pathname */
105
106/* Maximum count for a semaphore object */
107
108#define ACPI_MAX_SEMAPHORE_COUNT 256
109
110/* Max reference count (for debug only) */
111
112#define ACPI_MAX_REFERENCE_COUNT 0x400
113
114/* Size of cached memory mapping for system memory operation region */
115
116#define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096
117
118/******************************************************************************
119 *
120 * ACPI Specification constants (Do not change unless the specification changes)
121 *
122 *****************************************************************************/
123
124/* Number of distinct GPE register blocks and register width */
125
126#define ACPI_MAX_GPE_BLOCKS 2
127#define ACPI_GPE_REGISTER_WIDTH 8
128
129/* Method info (in WALK_STATE), containing local variables and argumetns */
130
131#define ACPI_METHOD_NUM_LOCALS 8
132#define ACPI_METHOD_MAX_LOCAL 7
133
134#define ACPI_METHOD_NUM_ARGS 7
135#define ACPI_METHOD_MAX_ARG 6
136
137/* Maximum length of resulting string when converting from a buffer */
138
139#define ACPI_MAX_STRING_CONVERSION 200
140
141/* Length of _HID, _UID, and _CID values */
142
143#define ACPI_DEVICE_ID_LENGTH 0x09
144#define ACPI_MAX_CID_LENGTH 48
145
146/*
147 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
148 */
149#define ACPI_OBJ_NUM_OPERANDS 8
150#define ACPI_OBJ_MAX_OPERAND 7
151
152/* Names within the namespace are 4 bytes long */
153
154#define ACPI_NAME_SIZE 4
155#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */
156#define ACPI_PATH_SEPARATOR '.'
157
158/* Constants used in searching for the RSDP in low memory */
159
160#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
161#define ACPI_EBDA_PTR_LENGTH 2
162#define ACPI_EBDA_WINDOW_SIZE 1024
163#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
164#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
165#define ACPI_RSDP_SCAN_STEP 16
166
167/* Operation regions */
168
169#define ACPI_NUM_PREDEFINED_REGIONS 8
170#define ACPI_USER_REGION_BEGIN 0x80
171
172/* Maximum space_ids for Operation Regions */
173
174#define ACPI_MAX_ADDRESS_SPACE 255
175
176/* Array sizes. Used for range checking also */
177
178#define ACPI_NUM_ACCESS_TYPES 6
179#define ACPI_NUM_UPDATE_RULES 3
180#define ACPI_NUM_LOCK_RULES 2
181#define ACPI_NUM_MATCH_OPS 6
182#define ACPI_NUM_OPCODES 256
183#define ACPI_NUM_FIELD_NAMES 2
184
185/* RSDP checksums */
186
187#define ACPI_RSDP_CHECKSUM_LENGTH 20
188#define ACPI_RSDP_XCHECKSUM_LENGTH 36
189
190/* SMBus bidirectional buffer size */
191
192#define ACPI_SMBUS_BUFFER_SIZE 34
193
194/* Number of strings associated with the _OSI reserved method */
195
196#define ACPI_NUM_OSI_STRINGS 10
197
198/******************************************************************************
199 *
200 * ACPI AML Debugger
201 *
202 *****************************************************************************/
203
204#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
205
206#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
207#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
208
209#endif /* _ACCONFIG_H */