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1 | /****************************************************************************** |
2 | * |
3 | * Name: acconfig.h - Global configuration constants |
4 | * |
5 | *****************************************************************************/ |
6 | |
7 | /* |
8 | * Copyright (C) 2000 - 2013, 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 | * 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 | /* |
65 | * OS name, used for the _OS object. The _OS object is essentially obsolete, |
66 | * but there is a large base of ASL/AML code in existing machines that check |
67 | * for the string below. The use of this string usually guarantees that |
68 | * the ASL will execute down the most tested code path. Also, there is some |
69 | * code that will not execute the _OSI method unless _OS matches the string |
70 | * below. Therefore, change this string at your own risk. |
71 | */ |
72 | #define ACPI_OS_NAME "Microsoft Windows NT" |
73 | |
74 | /* Maximum objects in the various object caches */ |
75 | |
76 | #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ |
77 | #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ |
78 | #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ |
79 | #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ |
80 | #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ |
81 | |
82 | /* |
83 | * Should the subsystem abort the loading of an ACPI table if the |
84 | * table checksum is incorrect? |
85 | */ |
86 | #define ACPI_CHECKSUM_ABORT FALSE |
87 | |
88 | /* |
89 | * Generate a version of ACPICA that only supports "reduced hardware" |
90 | * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized |
91 | * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware" |
92 | * model. In other words, no ACPI hardware is supported. |
93 | * |
94 | * If TRUE, this means no support for the following: |
95 | * PM Event and Control registers |
96 | * SCI interrupt (and handler) |
97 | * Fixed Events |
98 | * General Purpose Events (GPEs) |
99 | * Global Lock |
100 | * ACPI PM timer |
101 | * FACS table (Waking vectors and Global Lock) |
102 | */ |
103 | #define ACPI_REDUCED_HARDWARE FALSE |
104 | |
105 | /****************************************************************************** |
106 | * |
107 | * Subsystem Constants |
108 | * |
109 | *****************************************************************************/ |
110 | |
111 | /* Version of ACPI supported */ |
112 | |
113 | #define ACPI_CA_SUPPORT_LEVEL 5 |
114 | |
115 | /* Maximum count for a semaphore object */ |
116 | |
117 | #define ACPI_MAX_SEMAPHORE_COUNT 256 |
118 | |
119 | /* Maximum object reference count (detects object deletion issues) */ |
120 | |
121 | #define ACPI_MAX_REFERENCE_COUNT 0x1000 |
122 | |
123 | /* Default page size for use in mapping memory for operation regions */ |
124 | |
125 | #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ |
126 | |
127 | /* owner_id tracking. 8 entries allows for 255 owner_ids */ |
128 | |
129 | #define ACPI_NUM_OWNERID_MASKS 8 |
130 | |
131 | /* Size of the root table array is increased by this increment */ |
132 | |
133 | #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 |
134 | |
135 | /* Maximum number of While() loop iterations before forced abort */ |
136 | |
137 | #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF |
138 | |
139 | /* Maximum sleep allowed via Sleep() operator */ |
140 | |
141 | #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */ |
142 | |
143 | /* Address Range lists are per-space_id (Memory and I/O only) */ |
144 | |
145 | #define ACPI_ADDRESS_RANGE_MAX 2 |
146 | |
147 | /****************************************************************************** |
148 | * |
149 | * ACPI Specification constants (Do not change unless the specification changes) |
150 | * |
151 | *****************************************************************************/ |
152 | |
153 | /* Method info (in WALK_STATE), containing local variables and argumetns */ |
154 | |
155 | #define ACPI_METHOD_NUM_LOCALS 8 |
156 | #define ACPI_METHOD_MAX_LOCAL 7 |
157 | |
158 | #define ACPI_METHOD_NUM_ARGS 7 |
159 | #define ACPI_METHOD_MAX_ARG 6 |
160 | |
161 | /* |
162 | * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG |
163 | */ |
164 | #define ACPI_OBJ_NUM_OPERANDS 8 |
165 | #define ACPI_OBJ_MAX_OPERAND 7 |
166 | |
167 | /* Number of elements in the Result Stack frame, can be an arbitrary value */ |
168 | |
169 | #define ACPI_RESULTS_FRAME_OBJ_NUM 8 |
170 | |
171 | /* |
172 | * Maximal number of elements the Result Stack can contain, |
173 | * it may be an arbitray value not exceeding the types of |
174 | * result_size and result_count (now u8). |
175 | */ |
176 | #define ACPI_RESULTS_OBJ_NUM_MAX 255 |
177 | |
178 | /* Constants used in searching for the RSDP in low memory */ |
179 | |
180 | #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ |
181 | #define ACPI_EBDA_PTR_LENGTH 2 |
182 | #define ACPI_EBDA_WINDOW_SIZE 1024 |
183 | #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ |
184 | #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 |
185 | #define ACPI_RSDP_SCAN_STEP 16 |
186 | |
187 | /* Operation regions */ |
188 | |
189 | #define ACPI_USER_REGION_BEGIN 0x80 |
190 | |
191 | /* Maximum space_ids for Operation Regions */ |
192 | |
193 | #define ACPI_MAX_ADDRESS_SPACE 255 |
194 | #define ACPI_NUM_DEFAULT_SPACES 4 |
195 | |
196 | /* Array sizes. Used for range checking also */ |
197 | |
198 | #define ACPI_MAX_MATCH_OPCODE 5 |
199 | |
200 | /* RSDP checksums */ |
201 | |
202 | #define ACPI_RSDP_CHECKSUM_LENGTH 20 |
203 | #define ACPI_RSDP_XCHECKSUM_LENGTH 36 |
204 | |
205 | /* SMBus, GSBus and IPMI bidirectional buffer size */ |
206 | |
207 | #define ACPI_SMBUS_BUFFER_SIZE 34 |
208 | #define ACPI_GSBUS_BUFFER_SIZE 34 |
209 | #define ACPI_IPMI_BUFFER_SIZE 66 |
210 | |
211 | /* _sx_d and _sx_w control methods */ |
212 | |
213 | #define ACPI_NUM_sx_d_METHODS 4 |
214 | #define ACPI_NUM_sx_w_METHODS 5 |
215 | |
216 | /****************************************************************************** |
217 | * |
218 | * ACPI AML Debugger |
219 | * |
220 | *****************************************************************************/ |
221 | |
222 | #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ |
223 | #define ACPI_DB_LINE_BUFFER_SIZE 512 |
224 | |
225 | #define ACPI_DEBUGGER_COMMAND_PROMPT '-' |
226 | #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' |
227 | |
228 | #endif /* _ACCONFIG_H */ |
229 |
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