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
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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  * 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 
64 /*
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 
76 #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 */
80 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH  96	/* Namespace objects */
81 
82 /*
83  * Should the subsystem abort the loading of an ACPI table if the
84  * table checksum is incorrect?
85  */
86 #define ACPI_CHECKSUM_ABORT             FALSE
87 
88 /*
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 
105 /******************************************************************************
106  *
107  * Subsystem Constants
108  *
109  *****************************************************************************/
110 
111 /* Version of ACPI supported */
112 
113 #define ACPI_CA_SUPPORT_LEVEL           5
114 
115 /* Maximum count for a semaphore object */
116 
117 #define ACPI_MAX_SEMAPHORE_COUNT        256
118 
119 /* Maximum object reference count (detects object deletion issues) */
120 
121 #define ACPI_MAX_REFERENCE_COUNT        0x1000
122 
123 /* Default page size for use in mapping memory for operation regions */
124 
125 #define ACPI_DEFAULT_PAGE_SIZE          4096	/* Must be power of 2 */
126 
127 /* owner_id tracking. 8 entries allows for 255 owner_ids */
128 
129 #define ACPI_NUM_OWNERID_MASKS          8
130 
131 /* Size of the root table array is increased by this increment */
132 
133 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
134 
135 /* Maximum number of While() loop iterations before forced abort */
136 
137 #define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
138 
139 /* Maximum sleep allowed via Sleep() operator */
140 
141 #define ACPI_MAX_SLEEP                  2000	/* Two seconds */
142 
143 /* Address Range lists are per-space_id (Memory and I/O only) */
144 
145 #define ACPI_ADDRESS_RANGE_MAX          2
146 
147 /******************************************************************************
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 
158 /* Method info (in WALK_STATE), containing local variables and argumetns */
159 
160 #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 
166 /* Length of _HID, _UID, _CID, and UUID values */
167 
168 #define ACPI_DEVICE_ID_LENGTH           0x09
169 #define ACPI_MAX_CID_LENGTH             48
170 #define ACPI_UUID_LENGTH                16
171 
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 
178 /* 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 
189 /* Names within the namespace are 4 bytes long */
190 
191 #define ACPI_NAME_SIZE                  4
192 #define ACPI_PATH_SEGMENT_LENGTH        5	/* 4 chars for name + 1 char for separator */
193 #define ACPI_PATH_SEPARATOR             '.'
194 
195 /* Sizes for ACPI table headers */
196 
197 #define ACPI_OEM_ID_SIZE                6
198 #define ACPI_OEM_TABLE_ID_SIZE          8
199 
200 /* Constants used in searching for the RSDP in low memory */
201 
202 #define ACPI_EBDA_PTR_LOCATION          0x0000040E	/* Physical Address */
203 #define ACPI_EBDA_PTR_LENGTH            2
204 #define ACPI_EBDA_WINDOW_SIZE           1024
205 #define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000	/* Physical Address */
206 #define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
207 #define ACPI_RSDP_SCAN_STEP             16
208 
209 /* Operation regions */
210 
211 #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 
219 #define ACPI_MAX_MATCH_OPCODE           5
220 
221 /* RSDP checksums */
222 
223 #define ACPI_RSDP_CHECKSUM_LENGTH       20
224 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
225 
226 /* SMBus, GSBus and IPMI bidirectional buffer size */
227 
228 #define ACPI_SMBUS_BUFFER_SIZE          34
229 #define ACPI_GSBUS_BUFFER_SIZE          34
230 #define ACPI_IPMI_BUFFER_SIZE           66
231 
232 /* _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 
237 /******************************************************************************
238  *
239  * ACPI AML Debugger
240  *
241  *****************************************************************************/
242 
243 #define ACPI_DEBUGGER_MAX_ARGS          8	/* Must be max method args + 1 */
244 
245 #define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
246 #define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
247 
248 #endif				/* _ACCONFIG_H */
249