1 /******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2011, Intel Corp.
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 /*
66 * OS name, used for the _OS object. The _OS object is essentially obsolete,
67 * but there is a large base of ASL/AML code in existing machines that check
68 * for the string below. The use of this string usually guarantees that
69 * the ASL will execute down the most tested code path. Also, there is some
70 * code that will not execute the _OSI method unless _OS matches the string
71 * below. Therefore, change this string at your own risk.
72 */
73 #define ACPI_OS_NAME "Microsoft Windows NT"
74
75 /* Maximum objects in the various object caches */
76
77 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
78 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
79 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
80 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
81 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
82
83 /*
84 * Should the subsystem abort the loading of an ACPI table if the
85 * table checksum is incorrect?
86 */
87 #define ACPI_CHECKSUM_ABORT FALSE
88
89
90 /******************************************************************************
91 *
92 * Subsystem Constants
93 *
94 *****************************************************************************/
95
96 /* Version of ACPI supported */
97
98 #define ACPI_CA_SUPPORT_LEVEL 3
99
100 /* Maximum count for a semaphore object */
101
102 #define ACPI_MAX_SEMAPHORE_COUNT 256
103
104 /* Maximum object reference count (detects object deletion issues) */
105
106 #define ACPI_MAX_REFERENCE_COUNT 0x800
107
108 /* Default page size for use in mapping memory for operation regions */
109
110 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
111
112 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
113
114 #define ACPI_NUM_OWNERID_MASKS 8
115
116 /* Size of the root table array is increased by this increment */
117
118 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
119
120 /* Maximum number of While() loop iterations before forced abort */
121
122 #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
123
124 /* Maximum sleep allowed via Sleep() operator */
125
126 #define ACPI_MAX_SLEEP 20000 /* Two seconds */
127
128
129 /******************************************************************************
130 *
131 * ACPI Specification constants (Do not change unless the specification changes)
132 *
133 *****************************************************************************/
134
135 /* Method info (in WALK_STATE), containing local variables and argumetns */
136
137 #define ACPI_METHOD_NUM_LOCALS 8
138 #define ACPI_METHOD_MAX_LOCAL 7
139
140 #define ACPI_METHOD_NUM_ARGS 7
141 #define ACPI_METHOD_MAX_ARG 6
142
143 /*
144 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
145 */
146 #define ACPI_OBJ_NUM_OPERANDS 8
147 #define ACPI_OBJ_MAX_OPERAND 7
148
149 /* Number of elements in the Result Stack frame, can be an arbitrary value */
150
151 #define ACPI_RESULTS_FRAME_OBJ_NUM 8
152
153 /*
154 * Maximal number of elements the Result Stack can contain,
155 * it may be an arbitray value not exceeding the types of
156 * ResultSize and ResultCount (now UINT8).
157 */
158 #define ACPI_RESULTS_OBJ_NUM_MAX 255
159
160 /* Constants used in searching for the RSDP in low memory */
161
162 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
163 #define ACPI_EBDA_PTR_LENGTH 2
164 #define ACPI_EBDA_WINDOW_SIZE 1024
165 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
166 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
167 #define ACPI_RSDP_SCAN_STEP 16
168
169 /* Operation regions */
170
171 #define ACPI_USER_REGION_BEGIN 0x80
172
173 /* Maximum SpaceIds for Operation Regions */
174
175 #define ACPI_MAX_ADDRESS_SPACE 255
176
177 /* Array sizes. Used for range checking also */
178
179 #define ACPI_MAX_MATCH_OPCODE 5
180
181 /* RSDP checksums */
182
183 #define ACPI_RSDP_CHECKSUM_LENGTH 20
184 #define ACPI_RSDP_XCHECKSUM_LENGTH 36
185
186 /* SMBus and IPMI bidirectional buffer size */
187
188 #define ACPI_SMBUS_BUFFER_SIZE 34
189 #define ACPI_IPMI_BUFFER_SIZE 66
190
191 /* _SxD and _SxW control methods */
192
193 #define ACPI_NUM_SxD_METHODS 4
194 #define ACPI_NUM_SxW_METHODS 5
195
196
197 /******************************************************************************
198 *
199 * ACPI AML Debugger
200 *
201 *****************************************************************************/
202
203 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 2 /* Max command line arguments */
204 #define ACPI_DB_LINE_BUFFER_SIZE 512
205
206 #define ACPI_DEBUGGER_COMMAND_PROMPT '-'
207 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
208
209
210 #endif /* _ACCONFIG_H */
211