xref: /freebsd/sys/contrib/dev/acpica/include/acconfig.h (revision b7c60aadbbd5c846a250c05791fe7406d6d78bf4)
1 /******************************************************************************
2  *
3  * Name: acconfig.h - Global configuration constants
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2012, 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 #define ACPI_CHECKSUM_ABORT             FALSE
88 
89 
90 /******************************************************************************
91  *
92  * Subsystem Constants
93  *
94  *****************************************************************************/
95 
96 /* Version of ACPI supported */
97 
98 #define ACPI_CA_SUPPORT_LEVEL           3
99 
100 /* Maximum count for a semaphore object */
101 
102 #define ACPI_MAX_SEMAPHORE_COUNT        256
103 
104 /* Maximum object reference count (detects object deletion issues) */
105 
106 #define ACPI_MAX_REFERENCE_COUNT        0x800
107 
108 /* Default page size for use in mapping memory for operation regions */
109 
110 #define ACPI_DEFAULT_PAGE_SIZE          4096    /* Must be power of 2 */
111 
112 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
113 
114 #define ACPI_NUM_OWNERID_MASKS          8
115 
116 /* Size of the root table array is increased by this increment */
117 
118 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
119 
120 /* Maximum number of While() loop iterations before forced abort */
121 
122 #define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
123 
124 /* Maximum sleep allowed via Sleep() operator */
125 
126 #define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
127 
128 /* Address Range lists are per-SpaceId (Memory and I/O only) */
129 
130 #define ACPI_ADDRESS_RANGE_MAX          2
131 
132 
133 /******************************************************************************
134  *
135  * ACPI Specification constants (Do not change unless the specification changes)
136  *
137  *****************************************************************************/
138 
139 /* Method info (in WALK_STATE), containing local variables and argumetns */
140 
141 #define ACPI_METHOD_NUM_LOCALS          8
142 #define ACPI_METHOD_MAX_LOCAL           7
143 
144 #define ACPI_METHOD_NUM_ARGS            7
145 #define ACPI_METHOD_MAX_ARG             6
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 /* Number of elements in the Result Stack frame, can be an arbitrary value */
154 
155 #define ACPI_RESULTS_FRAME_OBJ_NUM      8
156 
157 /*
158  * Maximal number of elements the Result Stack can contain,
159  * it may be an arbitray value not exceeding the types of
160  * ResultSize and ResultCount (now UINT8).
161  */
162 #define ACPI_RESULTS_OBJ_NUM_MAX        255
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_USER_REGION_BEGIN          0x80
176 
177 /* Maximum SpaceIds for Operation Regions */
178 
179 #define ACPI_MAX_ADDRESS_SPACE          255
180 
181 /* Array sizes.  Used for range checking also */
182 
183 #define ACPI_MAX_MATCH_OPCODE           5
184 
185 /* RSDP checksums */
186 
187 #define ACPI_RSDP_CHECKSUM_LENGTH       20
188 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
189 
190 /* SMBus, GSBus and IPMI bidirectional buffer size */
191 
192 #define ACPI_SMBUS_BUFFER_SIZE          34
193 #define ACPI_GSBUS_BUFFER_SIZE          34
194 #define ACPI_IPMI_BUFFER_SIZE           66
195 
196 /* _SxD and _SxW control methods */
197 
198 #define ACPI_NUM_SxD_METHODS            4
199 #define ACPI_NUM_SxW_METHODS            5
200 
201 
202 /******************************************************************************
203  *
204  * ACPI AML Debugger
205  *
206  *****************************************************************************/
207 
208 #define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 2 /* Max command line arguments */
209 #define ACPI_DB_LINE_BUFFER_SIZE        512
210 
211 #define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
212 #define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
213 
214 
215 #endif /* _ACCONFIG_H */
216 
217