acconfig.h revision 281075 
1/******************************************************************************
2 *
3 * Name: acconfig.h - Global configuration constants
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2015, 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
83/*
84 * Should the subsystem abort the loading of an ACPI table if the
85 * table checksum is incorrect?
86 */
87#ifndef ACPI_CHECKSUM_ABORT
88#define ACPI_CHECKSUM_ABORT             FALSE
89#endif
90
91/*
92 * Generate a version of ACPICA that only supports "reduced hardware"
93 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
94 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
95 * model. In other words, no ACPI hardware is supported.
96 *
97 * If TRUE, this means no support for the following:
98 *      PM Event and Control registers
99 *      SCI interrupt (and handler)
100 *      Fixed Events
101 *      General Purpose Events (GPEs)
102 *      Global Lock
103 *      ACPI PM timer
104 *      FACS table (Waking vectors and Global Lock)
105 */
106#ifndef ACPI_REDUCED_HARDWARE
107#define ACPI_REDUCED_HARDWARE           FALSE
108#endif
109
110
111/******************************************************************************
112 *
113 * Subsystem Constants
114 *
115 *****************************************************************************/
116
117/* Version of ACPI supported */
118
119#define ACPI_CA_SUPPORT_LEVEL           5
120
121/* Maximum count for a semaphore object */
122
123#define ACPI_MAX_SEMAPHORE_COUNT        256
124
125/* Maximum object reference count (detects object deletion issues) */
126
127#define ACPI_MAX_REFERENCE_COUNT        0x800
128
129/* Default page size for use in mapping memory for operation regions */
130
131#define ACPI_DEFAULT_PAGE_SIZE          4096    /* Must be power of 2 */
132
133/* OwnerId tracking. 8 entries allows for 255 OwnerIds */
134
135#define ACPI_NUM_OWNERID_MASKS          8
136
137/* Size of the root table array is increased by this increment */
138
139#define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
140
141/* Maximum number of While() loop iterations before forced abort */
142
143#define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
144
145/* Maximum sleep allowed via Sleep() operator */
146
147#define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
148
149/* Address Range lists are per-SpaceId (Memory and I/O only) */
150
151#define ACPI_ADDRESS_RANGE_MAX          2
152
153
154/******************************************************************************
155 *
156 * ACPI Specification constants (Do not change unless the specification changes)
157 *
158 *****************************************************************************/
159
160/* Method info (in WALK_STATE), containing local variables and argumetns */
161
162#define ACPI_METHOD_NUM_LOCALS          8
163#define ACPI_METHOD_MAX_LOCAL           7
164
165#define ACPI_METHOD_NUM_ARGS            7
166#define ACPI_METHOD_MAX_ARG             6
167
168/*
169 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
170 */
171#define ACPI_OBJ_NUM_OPERANDS           8
172#define ACPI_OBJ_MAX_OPERAND            7
173
174/* Number of elements in the Result Stack frame, can be an arbitrary value */
175
176#define ACPI_RESULTS_FRAME_OBJ_NUM      8
177
178/*
179 * Maximal number of elements the Result Stack can contain,
180 * it may be an arbitray value not exceeding the types of
181 * ResultSize and ResultCount (now UINT8).
182 */
183#define ACPI_RESULTS_OBJ_NUM_MAX        255
184
185/* Constants used in searching for the RSDP in low memory */
186
187#define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
188#define ACPI_EBDA_PTR_LENGTH            2
189#define ACPI_EBDA_WINDOW_SIZE           1024
190#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
191#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
192#define ACPI_RSDP_SCAN_STEP             16
193
194/* Operation regions */
195
196#define ACPI_USER_REGION_BEGIN          0x80
197
198/* Maximum SpaceIds for Operation Regions */
199
200#define ACPI_MAX_ADDRESS_SPACE          255
201#define ACPI_NUM_DEFAULT_SPACES         4
202
203/* Array sizes. Used for range checking also */
204
205#define ACPI_MAX_MATCH_OPCODE           5
206
207/* RSDP checksums */
208
209#define ACPI_RSDP_CHECKSUM_LENGTH       20
210#define ACPI_RSDP_XCHECKSUM_LENGTH      36
211
212/* SMBus, GSBus and IPMI bidirectional buffer size */
213
214#define ACPI_SMBUS_BUFFER_SIZE          34
215#define ACPI_GSBUS_BUFFER_SIZE          34
216#define ACPI_IPMI_BUFFER_SIZE           66
217
218/* _SxD and _SxW control methods */
219
220#define ACPI_NUM_SxD_METHODS            4
221#define ACPI_NUM_SxW_METHODS            5
222
223
224/******************************************************************************
225 *
226 * Miscellaneous constants
227 *
228 *****************************************************************************/
229
230/* UUID constants */
231
232#define UUID_BUFFER_LENGTH          16 /* Length of UUID in memory */
233#define UUID_STRING_LENGTH          36 /* Total length of a UUID string */
234
235/* Positions for required hyphens (dashes) in UUID strings */
236
237#define UUID_HYPHEN1_OFFSET         8
238#define UUID_HYPHEN2_OFFSET         13
239#define UUID_HYPHEN3_OFFSET         18
240#define UUID_HYPHEN4_OFFSET         23
241
242
243/******************************************************************************
244 *
245 * ACPI AML Debugger
246 *
247 *****************************************************************************/
248
249#define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
250#define ACPI_DB_LINE_BUFFER_SIZE        512
251
252#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
253#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
254
255
256#endif /* _ACCONFIG_H */
257