acconfig.h revision 229989 
1207753Smm/******************************************************************************
2207753Smm *
3207753Smm * Name: acconfig.h - Global configuration constants
4207753Smm *
5207753Smm *****************************************************************************/
6207753Smm
7207753Smm/*
8207753Smm * Copyright (C) 2000 - 2012, Intel Corp.
9207753Smm * All rights reserved.
10207753Smm *
11207753Smm * Redistribution and use in source and binary forms, with or without
12207753Smm * modification, are permitted provided that the following conditions
13207753Smm * are met:
14207753Smm * 1. Redistributions of source code must retain the above copyright
15207753Smm *    notice, this list of conditions, and the following disclaimer,
16207753Smm *    without modification.
17207753Smm * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18207753Smm *    substantially similar to the "NO WARRANTY" disclaimer below
19207753Smm *    ("Disclaimer") and any redistribution must be conditioned upon
20207753Smm *    including a substantially similar Disclaimer requirement for further
21207753Smm *    binary redistribution.
22207753Smm * 3. Neither the names of the above-listed copyright holders nor the names
23207753Smm *    of any contributors may be used to endorse or promote products derived
24207753Smm *    from this software without specific prior written permission.
25207753Smm *
26207753Smm * Alternatively, this software may be distributed under the terms of the
27207753Smm * GNU General Public License ("GPL") version 2 as published by the Free
28207753Smm * Software Foundation.
29207753Smm *
30207753Smm * NO WARRANTY
31207753Smm * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32207753Smm * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33207753Smm * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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35207753Smm * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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37207753Smm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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39207753Smm * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40207753Smm * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41207753Smm * POSSIBILITY OF SUCH DAMAGES.
42207753Smm */
43207753Smm
44207753Smm#ifndef _ACCONFIG_H
45207753Smm#define _ACCONFIG_H
46207753Smm
47207753Smm
48207753Smm/******************************************************************************
49207753Smm *
50207753Smm * Configuration options
51207753Smm *
52207753Smm *****************************************************************************/
53207753Smm
54207753Smm/*
55207753Smm * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
56207753Smm *                        ACPI subsystem.  This includes the DEBUG_PRINT output
57207753Smm *                        statements.  When disabled, all DEBUG_PRINT
58207753Smm *                        statements are compiled out.
59207753Smm *
60207753Smm * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
61207753Smm *                        at the application level.
62207753Smm *
63207753Smm */
64207753Smm
65207753Smm/*
66207753Smm * OS name, used for the _OS object.  The _OS object is essentially obsolete,
67207753Smm * 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                  2000    /* 2000 millisec == two seconds */
127
128/* Address Range lists are per-SpaceId (Memory and I/O only) */
129
130#define ACPI_ADDRESS_RANGE_MAX          2
131
132
133/******************************************************************************
134 *
135 * ACPI Specification constants (Do not change unless the specification changes)
136 *
137 *****************************************************************************/
138
139/* Method info (in WALK_STATE), containing local variables and argumetns */
140
141#define ACPI_METHOD_NUM_LOCALS          8
142#define ACPI_METHOD_MAX_LOCAL           7
143
144#define ACPI_METHOD_NUM_ARGS            7
145#define ACPI_METHOD_MAX_ARG             6
146
147/*
148 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
149 */
150#define ACPI_OBJ_NUM_OPERANDS           8
151#define ACPI_OBJ_MAX_OPERAND            7
152
153/* Number of elements in the Result Stack frame, can be an arbitrary value */
154
155#define ACPI_RESULTS_FRAME_OBJ_NUM      8
156
157/*
158 * Maximal number of elements the Result Stack can contain,
159 * it may be an arbitray value not exceeding the types of
160 * ResultSize and ResultCount (now UINT8).
161 */
162#define ACPI_RESULTS_OBJ_NUM_MAX        255
163
164/* Constants used in searching for the RSDP in low memory */
165
166#define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
167#define ACPI_EBDA_PTR_LENGTH            2
168#define ACPI_EBDA_WINDOW_SIZE           1024
169#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
170#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
171#define ACPI_RSDP_SCAN_STEP             16
172
173/* Operation regions */
174
175#define ACPI_USER_REGION_BEGIN          0x80
176
177/* Maximum SpaceIds for Operation Regions */
178
179#define ACPI_MAX_ADDRESS_SPACE          255
180
181/* Array sizes.  Used for range checking also */
182
183#define ACPI_MAX_MATCH_OPCODE           5
184
185/* RSDP checksums */
186
187#define ACPI_RSDP_CHECKSUM_LENGTH       20
188#define ACPI_RSDP_XCHECKSUM_LENGTH      36
189
190/* SMBus, GSBus and IPMI bidirectional buffer size */
191
192#define ACPI_SMBUS_BUFFER_SIZE          34
193#define ACPI_GSBUS_BUFFER_SIZE          34
194#define ACPI_IPMI_BUFFER_SIZE           66
195
196/* _SxD and _SxW control methods */
197
198#define ACPI_NUM_SxD_METHODS            4
199#define ACPI_NUM_SxW_METHODS            5
200
201
202/******************************************************************************
203 *
204 * ACPI AML Debugger
205 *
206 *****************************************************************************/
207
208#define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 2 /* Max command line arguments */
209#define ACPI_DB_LINE_BUFFER_SIZE        512
210
211#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
212#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
213
214
215#endif /* _ACCONFIG_H */
216
217