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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
Bob Moore77848132012-01-12 13:27:23 +08008 * Copyright (C) 2000 - 2012, Intel Corp.
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070047/******************************************************************************
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070064/*
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
Len Brown4be44fc2005-08-05 00:44:28 -040076#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 */
Bob Moore616861242006-03-17 16:44:00 -050080#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
82/*
Bob Mooreb8e4d892006-01-27 16:43:00 -050083 * Should the subsystem abort the loading of an ACPI table if the
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 * table checksum is incorrect?
85 */
86#define ACPI_CHECKSUM_ABORT FALSE
87
Bob Moore33620c52012-02-14 18:14:27 +080088/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105/******************************************************************************
106 *
107 * Subsystem Constants
108 *
109 *****************************************************************************/
110
111/* Version of ACPI supported */
112
Bob Moore384fe872012-02-14 13:11:07 +0800113#define ACPI_CA_SUPPORT_LEVEL 5
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115/* Maximum count for a semaphore object */
116
117#define ACPI_MAX_SEMAPHORE_COUNT 256
118
Bob Moore83135242006-10-03 00:00:00 -0400119/* Maximum object reference count (detects object deletion issues) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120
Doug Chapman9a654b52006-12-21 12:11:43 -0500121#define ACPI_MAX_REFERENCE_COUNT 0x1000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
Bob Moored410ee52009-10-22 09:11:11 +0800123/* Default page size for use in mapping memory for operation regions */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
Bob Moored410ee52009-10-22 09:11:11 +0800125#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Bob Moore28f55eb2005-12-02 18:27:00 -0500127/* owner_id tracking. 8 entries allows for 255 owner_ids */
128
129#define ACPI_NUM_OWNERID_MASKS 8
130
Bob Mooref3d2e782007-02-02 19:48:18 +0300131/* Size of the root table array is increased by this increment */
132
133#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
134
Bob Moorefc374452008-11-12 15:15:29 +0800135/* Maximum number of While() loop iterations before forced abort */
136
137#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
138
Bob Moore9cbfa182010-05-26 11:22:41 +0800139/* Maximum sleep allowed via Sleep() operator */
140
Len Brownb33c25d2011-08-29 23:01:58 -0400141#define ACPI_MAX_SLEEP 2000 /* Two seconds */
Bob Moore9cbfa182010-05-26 11:22:41 +0800142
Lin Mingf654c0f2012-01-12 13:10:32 +0800143/* Address Range lists are per-space_id (Memory and I/O only) */
144
145#define ACPI_ADDRESS_RANGE_MAX 2
146
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147/******************************************************************************
148 *
149 * ACPI Specification constants (Do not change unless the specification changes)
150 *
151 *****************************************************************************/
152
153/* Number of distinct GPE register blocks and register width */
154
155#define ACPI_MAX_GPE_BLOCKS 2
156#define ACPI_GPE_REGISTER_WIDTH 8
157
Robert Moore44f6c012005-04-18 22:49:35 -0400158/* Method info (in WALK_STATE), containing local variables and argumetns */
159
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160#define ACPI_METHOD_NUM_LOCALS 8
161#define ACPI_METHOD_MAX_LOCAL 7
162
163#define ACPI_METHOD_NUM_ARGS 7
164#define ACPI_METHOD_MAX_ARG 6
165
Bob Moorec51a4de2005-11-17 13:07:00 -0500166/* Length of _HID, _UID, _CID, and UUID values */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167
168#define ACPI_DEVICE_ID_LENGTH 0x09
169#define ACPI_MAX_CID_LENGTH 48
Bob Moorec51a4de2005-11-17 13:07:00 -0500170#define ACPI_UUID_LENGTH 16
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171
172/*
173 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
174 */
175#define ACPI_OBJ_NUM_OPERANDS 8
176#define ACPI_OBJ_MAX_OPERAND 7
177
Bob Moore773069d2008-04-10 19:06:36 +0400178/* Number of elements in the Result Stack frame, can be an arbitrary value */
179
180#define ACPI_RESULTS_FRAME_OBJ_NUM 8
181
182/*
183 * Maximal number of elements the Result Stack can contain,
184 * it may be an arbitray value not exceeding the types of
185 * result_size and result_count (now u8).
186 */
187#define ACPI_RESULTS_OBJ_NUM_MAX 255
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189/* Names within the namespace are 4 bytes long */
190
191#define ACPI_NAME_SIZE 4
Len Brown4be44fc2005-08-05 00:44:28 -0400192#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193#define ACPI_PATH_SEPARATOR '.'
194
Bob Mooref3d2e782007-02-02 19:48:18 +0300195/* Sizes for ACPI table headers */
196
Bob Moore0eaa14c2007-02-02 19:48:20 +0300197#define ACPI_OEM_ID_SIZE 6
198#define ACPI_OEM_TABLE_ID_SIZE 8
Bob Mooref3d2e782007-02-02 19:48:18 +0300199
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200/* Constants used in searching for the RSDP in low memory */
201
Len Brown4be44fc2005-08-05 00:44:28 -0400202#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203#define ACPI_EBDA_PTR_LENGTH 2
204#define ACPI_EBDA_WINDOW_SIZE 1024
Len Brown4be44fc2005-08-05 00:44:28 -0400205#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
207#define ACPI_RSDP_SCAN_STEP 16
208
209/* Operation regions */
210
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211#define ACPI_USER_REGION_BEGIN 0x80
212
213/* Maximum space_ids for Operation Regions */
214
215#define ACPI_MAX_ADDRESS_SPACE 255
216
217/* Array sizes. Used for range checking also */
218
Bob Moore4c90ece2006-06-08 16:29:00 -0400219#define ACPI_MAX_MATCH_OPCODE 5
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220
221/* RSDP checksums */
222
223#define ACPI_RSDP_CHECKSUM_LENGTH 20
224#define ACPI_RSDP_XCHECKSUM_LENGTH 36
225
Bob Moore2da120b2011-11-16 14:14:32 +0800226/* SMBus, GSBus and IPMI bidirectional buffer size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227
228#define ACPI_SMBUS_BUFFER_SIZE 34
Bob Moore2da120b2011-11-16 14:14:32 +0800229#define ACPI_GSBUS_BUFFER_SIZE 34
Lin Ming6557a492009-06-24 11:32:04 +0800230#define ACPI_IPMI_BUFFER_SIZE 66
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231
Bob Moore15b8dd52009-06-29 13:39:29 +0800232/* _sx_d and _sx_w control methods */
233
234#define ACPI_NUM_sx_d_METHODS 4
235#define ACPI_NUM_sx_w_METHODS 5
236
Linus Torvalds1da177e2005-04-16 15:20:36 -0700237/******************************************************************************
238 *
239 * ACPI AML Debugger
240 *
241 *****************************************************************************/
242
Len Brown4be44fc2005-08-05 00:44:28 -0400243#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700244
245#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
246#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
247
Len Brown4be44fc2005-08-05 00:44:28 -0400248#endif /* _ACCONFIG_H */