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
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37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef _ACCONFIG_H
45 #define _ACCONFIG_H
46 
47 
48 #pragma pack(push) /* Set default struct packing */
49 
50 /******************************************************************************
51  *
52  * Configuration options
53  *
54  *****************************************************************************/
55 
56 /*
57  * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
58  *                        ACPI subsystem. This includes the DEBUG_PRINT output
59  *                        statements. When disabled, all DEBUG_PRINT
60  *                        statements are compiled out.
61  *
62  * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
63  *                        at the application level.
64  *
65  */
66 
67 /*
68  * OS name, used for the _OS object. The _OS object is essentially obsolete,
69  * but there is a large base of ASL/AML code in existing machines that check
70  * for the string below. The use of this string usually guarantees that
71  * the ASL will execute down the most tested code path. Also, there is some
72  * code that will not execute the _OSI method unless _OS matches the string
73  * below. Therefore, change this string at your own risk.
74  */
75 #define ACPI_OS_NAME                    "Microsoft Windows NT"
76 
77 /* Maximum objects in the various object caches */
78 
79 #define ACPI_MAX_STATE_CACHE_DEPTH      96          /* State objects */
80 #define ACPI_MAX_PARSE_CACHE_DEPTH      96          /* Parse tree objects */
81 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH   96          /* Parse tree objects */
82 #define ACPI_MAX_OBJECT_CACHE_DEPTH     96          /* Interpreter operand objects */
83 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH  96          /* Namespace objects */
84 
85 /*
86  * Should the subsystem abort the loading of an ACPI table if the
87  * table checksum is incorrect?
88  */
89 #ifndef ACPI_CHECKSUM_ABORT
90 #define ACPI_CHECKSUM_ABORT             FALSE
91 #endif
92 
93 /*
94  * Generate a version of ACPICA that only supports "reduced hardware"
95  * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
96  * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
97  * model. In other words, no ACPI hardware is supported.
98  *
99  * If TRUE, this means no support for the following:
100  *      PM Event and Control registers
101  *      SCI interrupt (and handler)
102  *      Fixed Events
103  *      General Purpose Events (GPEs)
104  *      Global Lock
105  *      ACPI PM timer
106  *      FACS table (Waking vectors and Global Lock)
107  */
108 #ifndef ACPI_REDUCED_HARDWARE
109 #define ACPI_REDUCED_HARDWARE           FALSE
110 #endif
111 
112 
113 /******************************************************************************
114  *
115  * Subsystem Constants
116  *
117  *****************************************************************************/
118 
119 /* Version of ACPI supported */
120 
121 #define ACPI_CA_SUPPORT_LEVEL           5
122 
123 /* Maximum count for a semaphore object */
124 
125 #define ACPI_MAX_SEMAPHORE_COUNT        256
126 
127 /* Maximum object reference count (detects object deletion issues) */
128 
129 #define ACPI_MAX_REFERENCE_COUNT        0x800
130 
131 /* Default page size for use in mapping memory for operation regions */
132 
133 #define ACPI_DEFAULT_PAGE_SIZE          4096    /* Must be power of 2 */
134 
135 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
136 
137 #define ACPI_NUM_OWNERID_MASKS          8
138 
139 /* Size of the root table array is increased by this increment */
140 
141 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
142 
143 /* Maximum number of While() loop iterations before forced abort */
144 
145 #define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
146 
147 /* Maximum sleep allowed via Sleep() operator */
148 
149 #define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
150 
151 /* Address Range lists are per-SpaceId (Memory and I/O only) */
152 
153 #define ACPI_ADDRESS_RANGE_MAX          2
154 
155 
156 /******************************************************************************
157  *
158  * ACPI Specification constants (Do not change unless the specification changes)
159  *
160  *****************************************************************************/
161 
162 /* Method info (in WALK_STATE), containing local variables and argumetns */
163 
164 #define ACPI_METHOD_NUM_LOCALS          8
165 #define ACPI_METHOD_MAX_LOCAL           7
166 
167 #define ACPI_METHOD_NUM_ARGS            7
168 #define ACPI_METHOD_MAX_ARG             6
169 
170 /*
171  * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
172  */
173 #define ACPI_OBJ_NUM_OPERANDS           8
174 #define ACPI_OBJ_MAX_OPERAND            7
175 
176 /* Number of elements in the Result Stack frame, can be an arbitrary value */
177 
178 #define ACPI_RESULTS_FRAME_OBJ_NUM      8
179 
180 /*
181  * Maximal number of elements the Result Stack can contain,
182  * it may be an arbitray value not exceeding the types of
183  * ResultSize and ResultCount (now UINT8).
184  */
185 #define ACPI_RESULTS_OBJ_NUM_MAX        255
186 
187 /* Constants used in searching for the RSDP in low memory */
188 
189 #define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
190 #define ACPI_EBDA_PTR_LENGTH            2
191 #define ACPI_EBDA_WINDOW_SIZE           1024
192 #define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
193 #define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
194 #define ACPI_RSDP_SCAN_STEP             16
195 
196 /* Operation regions */
197 
198 #define ACPI_USER_REGION_BEGIN          0x80
199 
200 /* Maximum SpaceIds for Operation Regions */
201 
202 #define ACPI_MAX_ADDRESS_SPACE          255
203 #define ACPI_NUM_DEFAULT_SPACES         4
204 
205 /* Array sizes. Used for range checking also */
206 
207 #define ACPI_MAX_MATCH_OPCODE           5
208 
209 /* RSDP checksums */
210 
211 #define ACPI_RSDP_CHECKSUM_LENGTH       20
212 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
213 
214 /* SMBus, GSBus and IPMI bidirectional buffer size */
215 
216 #define ACPI_SMBUS_BUFFER_SIZE          34
217 #define ACPI_GSBUS_BUFFER_SIZE          34
218 #define ACPI_IPMI_BUFFER_SIZE           66
219 
220 /* _SxD and _SxW control methods */
221 
222 #define ACPI_NUM_SxD_METHODS            4
223 #define ACPI_NUM_SxW_METHODS            5
224 
225 
226 /******************************************************************************
227  *
228  * ACPI AML Debugger
229  *
230  *****************************************************************************/
231 
232 #define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
233 #define ACPI_DB_LINE_BUFFER_SIZE        512
234 
235 #define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
236 #define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
237 
238 
239 #pragma pack(pop) /* Restore original struct packing */
240 
241 #endif /* _ACCONFIG_H */
242