1 /******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2014, 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 #ifndef ACPI_CHECKSUM_ABORT
88 #define ACPI_CHECKSUM_ABORT FALSE
89 #endif
90
91 /*
92 * Generate a version of ACPICA that only supports "reduced hardware"
93 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
94 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
95 * model. In other words, no ACPI hardware is supported.
96 *
97 * If TRUE, this means no support for the following:
98 * PM Event and Control registers
99 * SCI interrupt (and handler)
100 * Fixed Events
101 * General Purpose Events (GPEs)
102 * Global Lock
103 * ACPI PM timer
104 * FACS table (Waking vectors and Global Lock)
105 */
106 #ifndef ACPI_REDUCED_HARDWARE
107 #define ACPI_REDUCED_HARDWARE FALSE
108 #endif
109
110
111 /******************************************************************************
112 *
113 * Subsystem Constants
114 *
115 *****************************************************************************/
116
117 /* Version of ACPI supported */
118
119 #define ACPI_CA_SUPPORT_LEVEL 5
120
121 /* Maximum count for a semaphore object */
122
123 #define ACPI_MAX_SEMAPHORE_COUNT 256
124
125 /* Maximum object reference count (detects object deletion issues) */
126
127 #define ACPI_MAX_REFERENCE_COUNT 0x800
128
129 /* Default page size for use in mapping memory for operation regions */
130
131 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
132
133 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
134
135 #define ACPI_NUM_OWNERID_MASKS 8
136
137 /* Size of the root table array is increased by this increment */
138
139 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
140
141 /* Maximum number of While() loop iterations before forced abort */
142
143 #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
144
145 /* Maximum sleep allowed via Sleep() operator */
146
147 #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
148
149 /* Address Range lists are per-SpaceId (Memory and I/O only) */
150
151 #define ACPI_ADDRESS_RANGE_MAX 2
152
153
154 /******************************************************************************
155 *
156 * ACPI Specification constants (Do not change unless the specification changes)
157 *
158 *****************************************************************************/
159
160 /* Method info (in WALK_STATE), containing local variables and argumetns */
161
162 #define ACPI_METHOD_NUM_LOCALS 8
163 #define ACPI_METHOD_MAX_LOCAL 7
164
165 #define ACPI_METHOD_NUM_ARGS 7
166 #define ACPI_METHOD_MAX_ARG 6
167
168 /*
169 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
170 */
171 #define ACPI_OBJ_NUM_OPERANDS 8
172 #define ACPI_OBJ_MAX_OPERAND 7
173
174 /* Number of elements in the Result Stack frame, can be an arbitrary value */
175
176 #define ACPI_RESULTS_FRAME_OBJ_NUM 8
177
178 /*
179 * Maximal number of elements the Result Stack can contain,
180 * it may be an arbitray value not exceeding the types of
181 * ResultSize and ResultCount (now UINT8).
182 */
183 #define ACPI_RESULTS_OBJ_NUM_MAX 255
184
185 /* Constants used in searching for the RSDP in low memory */
186
187 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
188 #define ACPI_EBDA_PTR_LENGTH 2
189 #define ACPI_EBDA_WINDOW_SIZE 1024
190 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
191 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
192 #define ACPI_RSDP_SCAN_STEP 16
193
194 /* Operation regions */
195
196 #define ACPI_USER_REGION_BEGIN 0x80
197
198 /* Maximum SpaceIds for Operation Regions */
199
200 #define ACPI_MAX_ADDRESS_SPACE 255
201 #define ACPI_NUM_DEFAULT_SPACES 4
202
203 /* Array sizes. Used for range checking also */
204
205 #define ACPI_MAX_MATCH_OPCODE 5
206
207 /* RSDP checksums */
208
209 #define ACPI_RSDP_CHECKSUM_LENGTH 20
210 #define ACPI_RSDP_XCHECKSUM_LENGTH 36
211
212 /* SMBus, GSBus and IPMI bidirectional buffer size */
213
214 #define ACPI_SMBUS_BUFFER_SIZE 34
215 #define ACPI_GSBUS_BUFFER_SIZE 34
216 #define ACPI_IPMI_BUFFER_SIZE 66
217
218 /* _SxD and _SxW control methods */
219
220 #define ACPI_NUM_SxD_METHODS 4
221 #define ACPI_NUM_SxW_METHODS 5
222
223
224 /******************************************************************************
225 *
226 * ACPI AML Debugger
227 *
228 *****************************************************************************/
229
230 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
231 #define ACPI_DB_LINE_BUFFER_SIZE 512
232
233 #define ACPI_DEBUGGER_COMMAND_PROMPT '-'
234 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
235
236
237 #endif /* _ACCONFIG_H */