acconfig.h revision 217365 
1169092Sdeischen/******************************************************************************
2169092Sdeischen *
3169092Sdeischen * Name: acconfig.h - Global configuration constants
4156608Sdeischen *
5156608Sdeischen *****************************************************************************/
6156608Sdeischen
7156608Sdeischen/*
8156608Sdeischen * Copyright (C) 2000 - 2011, Intel Corp.
9156608Sdeischen * All rights reserved.
10156608Sdeischen *
11156608Sdeischen * Redistribution and use in source and binary forms, with or without
12156608Sdeischen * modification, are permitted provided that the following conditions
13156608Sdeischen * are met:
14156608Sdeischen * 1. Redistributions of source code must retain the above copyright
15156608Sdeischen *    notice, this list of conditions, and the following disclaimer,
16156608Sdeischen *    without modification.
17156608Sdeischen * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18156608Sdeischen *    substantially similar to the "NO WARRANTY" disclaimer below
19156608Sdeischen *    ("Disclaimer") and any redistribution must be conditioned upon
20156608Sdeischen *    including a substantially similar Disclaimer requirement for further
21156608Sdeischen *    binary redistribution.
22156608Sdeischen * 3. Neither the names of the above-listed copyright holders nor the names
23156608Sdeischen *    of any contributors may be used to endorse or promote products derived
24156608Sdeischen *    from this software without specific prior written permission.
25156608Sdeischen *
26156608Sdeischen * Alternatively, this software may be distributed under the terms of the
27156608Sdeischen * GNU General Public License ("GPL") version 2 as published by the Free
28156608Sdeischen * Software Foundation.
29156608Sdeischen *
30156608Sdeischen * NO WARRANTY
31156608Sdeischen * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32156608Sdeischen * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33156608Sdeischen * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34156608Sdeischen * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35156608Sdeischen * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36156608Sdeischen * 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_NUM_PREDEFINED_REGIONS     9
172#define ACPI_USER_REGION_BEGIN          0x80
173
174/* Maximum SpaceIds for Operation Regions */
175
176#define ACPI_MAX_ADDRESS_SPACE          255
177
178/* Array sizes.  Used for range checking also */
179
180#define ACPI_MAX_MATCH_OPCODE           5
181
182/* RSDP checksums */
183
184#define ACPI_RSDP_CHECKSUM_LENGTH       20
185#define ACPI_RSDP_XCHECKSUM_LENGTH      36
186
187/* SMBus and IPMI bidirectional buffer size */
188
189#define ACPI_SMBUS_BUFFER_SIZE          34
190#define ACPI_IPMI_BUFFER_SIZE           66
191
192/* _SxD and _SxW control methods */
193
194#define ACPI_NUM_SxD_METHODS            4
195#define ACPI_NUM_SxW_METHODS            5
196
197
198/******************************************************************************
199 *
200 * ACPI AML Debugger
201 *
202 *****************************************************************************/
203
204#define ACPI_DEBUGGER_MAX_ARGS          8  /* Must be max method args + 1 */
205
206#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
207#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
208
209
210#endif /* _ACCONFIG_H */
211
212