1/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2007, R. Byron Moore
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/* Current ACPICA subsystem version in YYYYMMDD format */
65
66#define ACPI_CA_VERSION                 0x20070126
67
68/*
69 * OS name, used for the _OS object.  The _OS object is essentially obsolete,
70 * but there is a large base of ASL/AML code in existing machines that check
71 * for the string below.  The use of this string usually guarantees that
72 * the ASL will execute down the most tested code path.  Also, there is some
73 * code that will not execute the _OSI method unless _OS matches the string
74 * below.  Therefore, change this string at your own risk.
75 */
76#define ACPI_OS_NAME                    "Microsoft Windows NT"
77
78/* Maximum objects in the various object caches */
79
80#define ACPI_MAX_STATE_CACHE_DEPTH      96	/* State objects */
81#define ACPI_MAX_PARSE_CACHE_DEPTH      96	/* Parse tree objects */
82#define ACPI_MAX_EXTPARSE_CACHE_DEPTH   96	/* Parse tree objects */
83#define ACPI_MAX_OBJECT_CACHE_DEPTH     96	/* Interpreter operand objects */
84#define ACPI_MAX_NAMESPACE_CACHE_DEPTH  96	/* Namespace objects */
85
86/*
87 * Should the subsystem abort the loading of an ACPI table if the
88 * table checksum is incorrect?
89 */
90#define ACPI_CHECKSUM_ABORT             FALSE
91
92/******************************************************************************
93 *
94 * Subsystem Constants
95 *
96 *****************************************************************************/
97
98/* Version of ACPI supported */
99
100#define ACPI_CA_SUPPORT_LEVEL           3
101
102/* Maximum count for a semaphore object */
103
104#define ACPI_MAX_SEMAPHORE_COUNT        256
105
106/* Maximum object reference count (detects object deletion issues) */
107
108#define ACPI_MAX_REFERENCE_COUNT        0x1000
109
110/* Size of cached memory mapping for system memory operation region */
111
112#define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096
113
114/* owner_id tracking. 8 entries allows for 255 owner_ids */
115
116#define ACPI_NUM_OWNERID_MASKS          8
117
118/* Size of the root table array is increased by this increment */
119
120#define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
121
122/******************************************************************************
123 *
124 * ACPI Specification constants (Do not change unless the specification changes)
125 *
126 *****************************************************************************/
127
128/* Number of distinct GPE register blocks and register width */
129
130#define ACPI_MAX_GPE_BLOCKS             2
131#define ACPI_GPE_REGISTER_WIDTH         8
132
133/* Method info (in WALK_STATE), containing local variables and argumetns */
134
135#define ACPI_METHOD_NUM_LOCALS          8
136#define ACPI_METHOD_MAX_LOCAL           7
137
138#define ACPI_METHOD_NUM_ARGS            7
139#define ACPI_METHOD_MAX_ARG             6
140
141/* Length of _HID, _UID, _CID, and UUID values */
142
143#define ACPI_DEVICE_ID_LENGTH           0x09
144#define ACPI_MAX_CID_LENGTH             48
145#define ACPI_UUID_LENGTH                16
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/* Names within the namespace are 4 bytes long */
154
155#define ACPI_NAME_SIZE                  4
156#define ACPI_PATH_SEGMENT_LENGTH        5	/* 4 chars for name + 1 char for separator */
157#define ACPI_PATH_SEPARATOR             '.'
158
159/* Sizes for ACPI table headers */
160
161#define ACPI_OEM_ID_SIZE                6
162#define ACPI_OEM_TABLE_ID_SIZE          8
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_NUM_PREDEFINED_REGIONS     8
176#define ACPI_USER_REGION_BEGIN          0x80
177
178/* Maximum space_ids for Operation Regions */
179
180#define ACPI_MAX_ADDRESS_SPACE          255
181
182/* Array sizes.  Used for range checking also */
183
184#define ACPI_MAX_MATCH_OPCODE           5
185
186/* RSDP checksums */
187
188#define ACPI_RSDP_CHECKSUM_LENGTH       20
189#define ACPI_RSDP_XCHECKSUM_LENGTH      36
190
191/* SMBus bidirectional buffer size */
192
193#define ACPI_SMBUS_BUFFER_SIZE          34
194
195/******************************************************************************
196 *
197 * ACPI AML Debugger
198 *
199 *****************************************************************************/
200
201#define ACPI_DEBUGGER_MAX_ARGS          8	/* Must be max method args + 1 */
202
203#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
204#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
205
206#endif				/* _ACCONFIG_H */
207