1/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2019, Intel Corp.
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 *
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#define ACPI_MAX_COMMENT_CACHE_DEPTH 96 /* Comments for the -ca option */
83
84/*
85 * Should the subsystem abort the loading of an ACPI table if the
86 * table checksum is incorrect?
87 */
88#ifndef ACPI_CHECKSUM_ABORT
89#define ACPI_CHECKSUM_ABORT FALSE
90#endif
91
92/*
93 * Generate a version of ACPICA that only supports "reduced hardware"
94 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
95 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
96 * model. In other words, no ACPI hardware is supported.
97 *
98 * If TRUE, this means no support for the following:
99 * PM Event and Control registers
100 * SCI interrupt (and handler)
101 * Fixed Events
102 * General Purpose Events (GPEs)
103 * Global Lock
104 * ACPI PM timer
105 * FACS table (Waking vectors and Global Lock)
106 */
107#ifndef ACPI_REDUCED_HARDWARE
108#define ACPI_REDUCED_HARDWARE FALSE
109#endif
110
111
112/******************************************************************************
113 *
114 * Subsystem Constants
115 *
116 *****************************************************************************/
117
118/* Version of ACPI supported */
119
120#define ACPI_CA_SUPPORT_LEVEL 5
121
122/* Maximum count for a semaphore object */
123
124#define ACPI_MAX_SEMAPHORE_COUNT 256
125
126/* Maximum object reference count (detects object deletion issues) */
127
128#define ACPI_MAX_REFERENCE_COUNT 0x4000
129
130/* Default page size for use in mapping memory for operation regions */
131
132#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
133
134/* OwnerId tracking. 8 entries allows for 255 OwnerIds */
135
136#define ACPI_NUM_OWNERID_MASKS 8
137
138/* Size of the root table array is increased by this increment */
139
140#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
141
142/* Maximum sleep allowed via Sleep() operator */
143
144#define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
145
146/* Address Range lists are per-SpaceId (Memory and I/O only) */
147
148#define ACPI_ADDRESS_RANGE_MAX 2
149
150/* Maximum time (default 30s) of While() loops before abort */
151
152#define ACPI_MAX_LOOP_TIMEOUT 30
153
154
155/******************************************************************************
156 *
157 * ACPI Specification constants (Do not change unless the specification changes)
158 *
159 *****************************************************************************/
160
161/* Method info (in WALK_STATE), containing local variables and argumetns */
162
163#define ACPI_METHOD_NUM_LOCALS 8
164#define ACPI_METHOD_MAX_LOCAL 7
165
166#define ACPI_METHOD_NUM_ARGS 7
167#define ACPI_METHOD_MAX_ARG 6
168
169/*
170 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
171 */
172#define ACPI_OBJ_NUM_OPERANDS 8
173#define ACPI_OBJ_MAX_OPERAND 7
174
175/* Number of elements in the Result Stack frame, can be an arbitrary value */
176
177#define ACPI_RESULTS_FRAME_OBJ_NUM 8
178
179/*
180 * Maximal number of elements the Result Stack can contain,
181 * it may be an arbitrary value not exceeding the types of
182 * ResultSize and ResultCount (now UINT8).
183 */
184#define ACPI_RESULTS_OBJ_NUM_MAX 255
185
186/* Constants used in searching for the RSDP in low memory */
187
188#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
189#define ACPI_EBDA_PTR_LENGTH 2
190#define ACPI_EBDA_WINDOW_SIZE 1024
191#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
192#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
193#define ACPI_RSDP_SCAN_STEP 16
194
195/* Operation regions */
196
197#define ACPI_USER_REGION_BEGIN 0x80
198
199/* Maximum SpaceIds for Operation Regions */
200
201#define ACPI_MAX_ADDRESS_SPACE 255
202#define ACPI_NUM_DEFAULT_SPACES 4
203
204/* Array sizes. Used for range checking also */
205
206#define ACPI_MAX_MATCH_OPCODE 5
207
208/* RSDP checksums */
209
210#define ACPI_RSDP_CHECKSUM_LENGTH 20
211#define ACPI_RSDP_XCHECKSUM_LENGTH 36
212
213/*
214 * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header,
215 * containing both Status and Length.
216 */
217#define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */
218
219#define ACPI_SMBUS_DATA_SIZE 32
220#define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE
221
222#define ACPI_IPMI_DATA_SIZE 64
223#define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE
224
225#define ACPI_MAX_GSBUS_DATA_SIZE 255
226#define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE
227
228
229/* _SxD and _SxW control methods */
230
231#define ACPI_NUM_SxD_METHODS 4
232#define ACPI_NUM_SxW_METHODS 5
233
234
235/******************************************************************************
236 *
237 * Miscellaneous constants
238 *
239 *****************************************************************************/
240
241/* UUID constants */
242
243#define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */
244#define UUID_STRING_LENGTH 36 /* Total length of a UUID string */
245
246/* Positions for required hyphens (dashes) in UUID strings */
247
248#define UUID_HYPHEN1_OFFSET 8
249#define UUID_HYPHEN2_OFFSET 13
250#define UUID_HYPHEN3_OFFSET 18
251#define UUID_HYPHEN4_OFFSET 23
252
253
254/******************************************************************************
255 *
256 * ACPI AML Debugger
257 *
258 *****************************************************************************/
259
260#define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
261#define ACPI_DB_LINE_BUFFER_SIZE 512
262
263#define ACPI_DEBUGGER_COMMAND_PROMPT '-'
264#define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
265
266
267#endif /* _ACCONFIG_H */
268