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 * 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#ifndef ACPI_CHECKSUM_ABORT
87#define ACPI_CHECKSUM_ABORT             FALSE
88#endif
89
90/*
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 */
105#ifndef ACPI_REDUCED_HARDWARE
106#define ACPI_REDUCED_HARDWARE           FALSE
107#endif
108
109/******************************************************************************
110 *
111 * Subsystem Constants
112 *
113 *****************************************************************************/
114
115/* Version of ACPI supported */
116
117#define ACPI_CA_SUPPORT_LEVEL           5
118
119/* Maximum count for a semaphore object */
120
121#define ACPI_MAX_SEMAPHORE_COUNT        256
122
123/* Maximum object reference count (detects object deletion issues) */
124
125#define ACPI_MAX_REFERENCE_COUNT        0x1000
126
127/* Default page size for use in mapping memory for operation regions */
128
129#define ACPI_DEFAULT_PAGE_SIZE          4096	/* Must be power of 2 */
130
131/* owner_id tracking. 8 entries allows for 255 owner_ids */
132
133#define ACPI_NUM_OWNERID_MASKS          8
134
135/* Size of the root table array is increased by this increment */
136
137#define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
138
139/* Maximum number of While() loop iterations before forced abort */
140
141#define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
142
143/* Maximum sleep allowed via Sleep() operator */
144
145#define ACPI_MAX_SLEEP                  2000	/* 2000 millisec == two seconds */
146
147/* Address Range lists are per-space_id (Memory and I/O only) */
148
149#define ACPI_ADDRESS_RANGE_MAX          2
150
151/******************************************************************************
152 *
153 * ACPI Specification constants (Do not change unless the specification changes)
154 *
155 *****************************************************************************/
156
157/* Method info (in WALK_STATE), containing local variables and argumetns */
158
159#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
165/*
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
171/* 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
182/* Constants used in searching for the RSDP in low memory */
183
184#define ACPI_EBDA_PTR_LOCATION          0x0000040E	/* Physical Address */
185#define ACPI_EBDA_PTR_LENGTH            2
186#define ACPI_EBDA_WINDOW_SIZE           1024
187#define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000	/* Physical Address */
188#define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
189#define ACPI_RSDP_SCAN_STEP             16
190
191/* Operation regions */
192
193#define ACPI_USER_REGION_BEGIN          0x80
194
195/* Maximum space_ids for Operation Regions */
196
197#define ACPI_MAX_ADDRESS_SPACE          255
198#define ACPI_NUM_DEFAULT_SPACES         4
199
200/* Array sizes.  Used for range checking also */
201
202#define ACPI_MAX_MATCH_OPCODE           5
203
204/* RSDP checksums */
205
206#define ACPI_RSDP_CHECKSUM_LENGTH       20
207#define ACPI_RSDP_XCHECKSUM_LENGTH      36
208
209/* SMBus, GSBus and IPMI bidirectional buffer size */
210
211#define ACPI_SMBUS_BUFFER_SIZE          34
212#define ACPI_GSBUS_BUFFER_SIZE          34
213#define ACPI_IPMI_BUFFER_SIZE           66
214
215/* _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
220/******************************************************************************
221 *
222 * Miscellaneous constants
223 *
224 *****************************************************************************/
225
226/* UUID constants */
227
228#define UUID_BUFFER_LENGTH          16	/* Length of UUID in memory */
229#define UUID_STRING_LENGTH          36	/* Total length of a UUID string */
230
231/* Positions for required hyphens (dashes) in UUID strings */
232
233#define UUID_HYPHEN1_OFFSET         8
234#define UUID_HYPHEN2_OFFSET         13
235#define UUID_HYPHEN3_OFFSET         18
236#define UUID_HYPHEN4_OFFSET         23
237
238/******************************************************************************
239 *
240 * ACPI AML Debugger
241 *
242 *****************************************************************************/
243
244#define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 4	/* Max command line arguments */
245#define ACPI_DB_LINE_BUFFER_SIZE        512
246
247#define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
248#define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
249
250#endif				/* _ACCONFIG_H */
251