blob: 3ea214cff349c87482d4d3a29b0370bb6c90cd42 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
Bob Moore25f044e2013-01-25 05:38:56 +00008 * Copyright (C) 2000 - 2013, 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 */
Lv Zhengc38f6712013-11-21 12:17:27 +080086#ifndef ACPI_CHECKSUM_ABORT
Linus Torvalds1da177e2005-04-16 15:20:36 -070087#define ACPI_CHECKSUM_ABORT FALSE
Lv Zhengc38f6712013-11-21 12:17:27 +080088#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
Bob Moore33620c52012-02-14 18:14:27 +080090/*
91 * Generate a version of ACPICA that only supports "reduced hardware"
92 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
93 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
94 * model. In other words, no ACPI hardware is supported.
95 *
96 * If TRUE, this means no support for the following:
97 * PM Event and Control registers
98 * SCI interrupt (and handler)
99 * Fixed Events
100 * General Purpose Events (GPEs)
101 * Global Lock
102 * ACPI PM timer
103 * FACS table (Waking vectors and Global Lock)
104 */
Bob Moorec0144dc2013-10-29 09:30:29 +0800105#ifndef ACPI_REDUCED_HARDWARE
Bob Moore33620c52012-02-14 18:14:27 +0800106#define ACPI_REDUCED_HARDWARE FALSE
Bob Moorec0144dc2013-10-29 09:30:29 +0800107#endif
Bob Moore33620c52012-02-14 18:14:27 +0800108
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109/******************************************************************************
110 *
111 * Subsystem Constants
112 *
113 *****************************************************************************/
114
115/* Version of ACPI supported */
116
Bob Moore384fe872012-02-14 13:11:07 +0800117#define ACPI_CA_SUPPORT_LEVEL 5
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119/* Maximum count for a semaphore object */
120
121#define ACPI_MAX_SEMAPHORE_COUNT 256
122
Bob Moore83135242006-10-03 00:00:00 -0400123/* Maximum object reference count (detects object deletion issues) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
Doug Chapman9a654b52006-12-21 12:11:43 -0500125#define ACPI_MAX_REFERENCE_COUNT 0x1000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126
Bob Moored410ee52009-10-22 09:11:11 +0800127/* Default page size for use in mapping memory for operation regions */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128
Bob Moored410ee52009-10-22 09:11:11 +0800129#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130
Bob Moore28f55eb2005-12-02 18:27:00 -0500131/* owner_id tracking. 8 entries allows for 255 owner_ids */
132
133#define ACPI_NUM_OWNERID_MASKS 8
134
Bob Mooref3d2e782007-02-02 19:48:18 +0300135/* Size of the root table array is increased by this increment */
136
137#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
138
Bob Moorefc374452008-11-12 15:15:29 +0800139/* Maximum number of While() loop iterations before forced abort */
140
141#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
142
Bob Moore9cbfa182010-05-26 11:22:41 +0800143/* Maximum sleep allowed via Sleep() operator */
144
Lv Zheng75c80442012-12-19 05:36:49 +0000145#define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
Bob Moore9cbfa182010-05-26 11:22:41 +0800146
Lin Mingf654c0f2012-01-12 13:10:32 +0800147/* Address Range lists are per-space_id (Memory and I/O only) */
148
149#define ACPI_ADDRESS_RANGE_MAX 2
150
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151/******************************************************************************
152 *
153 * ACPI Specification constants (Do not change unless the specification changes)
154 *
155 *****************************************************************************/
156
Robert Moore44f6c012005-04-18 22:49:35 -0400157/* Method info (in WALK_STATE), containing local variables and argumetns */
158
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159#define ACPI_METHOD_NUM_LOCALS 8
160#define ACPI_METHOD_MAX_LOCAL 7
161
162#define ACPI_METHOD_NUM_ARGS 7
163#define ACPI_METHOD_MAX_ARG 6
164
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165/*
166 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
167 */
168#define ACPI_OBJ_NUM_OPERANDS 8
169#define ACPI_OBJ_MAX_OPERAND 7
170
Bob Moore773069d2008-04-10 19:06:36 +0400171/* Number of elements in the Result Stack frame, can be an arbitrary value */
172
173#define ACPI_RESULTS_FRAME_OBJ_NUM 8
174
175/*
176 * Maximal number of elements the Result Stack can contain,
177 * it may be an arbitray value not exceeding the types of
178 * result_size and result_count (now u8).
179 */
180#define ACPI_RESULTS_OBJ_NUM_MAX 255
181
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182/* Constants used in searching for the RSDP in low memory */
183
Len Brown4be44fc2005-08-05 00:44:28 -0400184#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185#define ACPI_EBDA_PTR_LENGTH 2
186#define ACPI_EBDA_WINDOW_SIZE 1024
Len Brown4be44fc2005-08-05 00:44:28 -0400187#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
189#define ACPI_RSDP_SCAN_STEP 16
190
191/* Operation regions */
192
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193#define ACPI_USER_REGION_BEGIN 0x80
194
195/* Maximum space_ids for Operation Regions */
196
197#define ACPI_MAX_ADDRESS_SPACE 255
Bob Moore42f8fb72013-01-11 13:08:51 +0100198#define ACPI_NUM_DEFAULT_SPACES 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
200/* Array sizes. Used for range checking also */
201
Bob Moore4c90ece2006-06-08 16:29:00 -0400202#define ACPI_MAX_MATCH_OPCODE 5
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203
204/* RSDP checksums */
205
206#define ACPI_RSDP_CHECKSUM_LENGTH 20
207#define ACPI_RSDP_XCHECKSUM_LENGTH 36
208
Bob Moore2da120b2011-11-16 14:14:32 +0800209/* SMBus, GSBus and IPMI bidirectional buffer size */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210
211#define ACPI_SMBUS_BUFFER_SIZE 34
Bob Moore2da120b2011-11-16 14:14:32 +0800212#define ACPI_GSBUS_BUFFER_SIZE 34
Lin Ming6557a492009-06-24 11:32:04 +0800213#define ACPI_IPMI_BUFFER_SIZE 66
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214
Bob Moore15b8dd52009-06-29 13:39:29 +0800215/* _sx_d and _sx_w control methods */
216
217#define ACPI_NUM_sx_d_METHODS 4
218#define ACPI_NUM_sx_w_METHODS 5
219
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220/******************************************************************************
221 *
222 * ACPI AML Debugger
223 *
224 *****************************************************************************/
225
Bob Moore29a241c2013-05-30 10:00:01 +0800226#define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
227#define ACPI_DB_LINE_BUFFER_SIZE 512
Linus Torvalds1da177e2005-04-16 15:20:36 -0700228
229#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
230#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
231
Len Brown4be44fc2005-08-05 00:44:28 -0400232#endif /* _ACCONFIG_H */