1 /* SPDX-License-Identifier: BSD-3-Clause OR GP 1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /********************************************* 2 /******************************************************************************
3 * 3 *
4 * Name: acconfig.h - Global configuration con 4 * Name: acconfig.h - Global configuration constants
5 * 5 *
6 * Copyright (C) 2000 - 2023, Intel Corp. 6 * Copyright (C) 2000 - 2023, Intel Corp.
7 * 7 *
8 ********************************************* 8 *****************************************************************************/
9 9
10 #ifndef _ACCONFIG_H 10 #ifndef _ACCONFIG_H
11 #define _ACCONFIG_H 11 #define _ACCONFIG_H
12 12
13 /********************************************* 13 /******************************************************************************
14 * 14 *
15 * Configuration options 15 * Configuration options
16 * 16 *
17 ********************************************* 17 *****************************************************************************/
18 18
19 /* 19 /*
20 * ACPI_DEBUG_OUTPUT - This switch enables 20 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the
21 * ACPI subsystem. Thi 21 * ACPI subsystem. This includes the DEBUG_PRINT output
22 * statements. When di 22 * statements. When disabled, all DEBUG_PRINT
23 * statements are compi 23 * statements are compiled out.
24 * 24 *
25 * ACPI_APPLICATION - Use this switch if t 25 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run
26 * at the application l 26 * at the application level.
27 * 27 *
28 */ 28 */
29 29
30 /* 30 /*
31 * OS name, used for the _OS object. The _OS 31 * OS name, used for the _OS object. The _OS object is essentially obsolete,
32 * but there is a large base of ASL/AML code i 32 * but there is a large base of ASL/AML code in existing machines that check
33 * for the string below. The use of this stri 33 * for the string below. The use of this string usually guarantees that
34 * the ASL will execute down the most tested c 34 * the ASL will execute down the most tested code path. Also, there is some
35 * code that will not execute the _OSI method 35 * code that will not execute the _OSI method unless _OS matches the string
36 * below. Therefore, change this string at yo 36 * below. Therefore, change this string at your own risk.
37 */ 37 */
38 #define ACPI_OS_NAME "Micro 38 #define ACPI_OS_NAME "Microsoft Windows NT"
39 39
40 /* Maximum objects in the various object cache 40 /* Maximum objects in the various object caches */
41 41
42 #define ACPI_MAX_STATE_CACHE_DEPTH 96 42 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
43 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 43 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
44 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 44 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
45 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 45 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
46 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 46 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */
47 #define ACPI_MAX_COMMENT_CACHE_DEPTH 96 47 #define ACPI_MAX_COMMENT_CACHE_DEPTH 96 /* Comments for the -ca option */
48 48
49 /* 49 /*
50 * Should the subsystem abort the loading of a 50 * Should the subsystem abort the loading of an ACPI table if the
51 * table checksum is incorrect? 51 * table checksum is incorrect?
52 */ 52 */
53 #ifndef ACPI_CHECKSUM_ABORT 53 #ifndef ACPI_CHECKSUM_ABORT
54 #define ACPI_CHECKSUM_ABORT FALSE 54 #define ACPI_CHECKSUM_ABORT FALSE
55 #endif 55 #endif
56 56
57 /* 57 /*
58 * Generate a version of ACPICA that only supp 58 * Generate a version of ACPICA that only supports "reduced hardware"
59 * platforms (as defined in ACPI 5.0). Set to 59 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
60 * version of ACPICA that ONLY supports the AC 60 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
61 * model. In other words, no ACPI hardware is 61 * model. In other words, no ACPI hardware is supported.
62 * 62 *
63 * If TRUE, this means no support for the foll 63 * If TRUE, this means no support for the following:
64 * PM Event and Control registers 64 * PM Event and Control registers
65 * SCI interrupt (and handler) 65 * SCI interrupt (and handler)
66 * Fixed Events 66 * Fixed Events
67 * General Purpose Events (GPEs) 67 * General Purpose Events (GPEs)
68 * Global Lock 68 * Global Lock
69 * ACPI PM timer 69 * ACPI PM timer
>> 70 * FACS table (Waking vectors and Global Lock)
70 */ 71 */
71 #ifndef ACPI_REDUCED_HARDWARE 72 #ifndef ACPI_REDUCED_HARDWARE
72 #define ACPI_REDUCED_HARDWARE FALSE 73 #define ACPI_REDUCED_HARDWARE FALSE
73 #endif 74 #endif
74 75
75 /********************************************* 76 /******************************************************************************
76 * 77 *
77 * Subsystem Constants 78 * Subsystem Constants
78 * 79 *
79 ********************************************* 80 *****************************************************************************/
80 81
81 /* Version of ACPI supported */ 82 /* Version of ACPI supported */
82 83
83 #define ACPI_CA_SUPPORT_LEVEL 5 84 #define ACPI_CA_SUPPORT_LEVEL 5
84 85
85 /* Maximum count for a semaphore object */ 86 /* Maximum count for a semaphore object */
86 87
87 #define ACPI_MAX_SEMAPHORE_COUNT 256 88 #define ACPI_MAX_SEMAPHORE_COUNT 256
88 89
89 /* Maximum object reference count (detects obj 90 /* Maximum object reference count (detects object deletion issues) */
90 91
91 #define ACPI_MAX_REFERENCE_COUNT 0x4000 92 #define ACPI_MAX_REFERENCE_COUNT 0x4000
92 93
93 /* Default page size for use in mapping memory 94 /* Default page size for use in mapping memory for operation regions */
94 95
95 #define ACPI_DEFAULT_PAGE_SIZE 4096 96 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */
96 97
97 /* owner_id tracking. 128 entries allows for 4 98 /* owner_id tracking. 128 entries allows for 4095 owner_ids */
98 99
99 #define ACPI_NUM_OWNERID_MASKS 128 100 #define ACPI_NUM_OWNERID_MASKS 128
100 101
101 /* Size of the root table array is increased b 102 /* Size of the root table array is increased by this increment */
102 103
103 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 104 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
104 105
105 /* Maximum sleep allowed via Sleep() operator 106 /* Maximum sleep allowed via Sleep() operator */
106 107
107 #define ACPI_MAX_SLEEP 2000 108 #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */
108 109
109 /* Address Range lists are per-space_id (Memor 110 /* Address Range lists are per-space_id (Memory and I/O only) */
110 111
111 #define ACPI_ADDRESS_RANGE_MAX 2 112 #define ACPI_ADDRESS_RANGE_MAX 2
112 113
113 /* Maximum time (default 30s) of While() loops 114 /* Maximum time (default 30s) of While() loops before abort */
114 115
115 #define ACPI_MAX_LOOP_TIMEOUT 30 116 #define ACPI_MAX_LOOP_TIMEOUT 30
116 117
117 /********************************************* 118 /******************************************************************************
118 * 119 *
119 * ACPI Specification constants (Do not change 120 * ACPI Specification constants (Do not change unless the specification changes)
120 * 121 *
121 ********************************************* 122 *****************************************************************************/
122 123
123 /* Method info (in WALK_STATE), containing loc 124 /* Method info (in WALK_STATE), containing local variables and arguments */
124 125
125 #define ACPI_METHOD_NUM_LOCALS 8 126 #define ACPI_METHOD_NUM_LOCALS 8
126 #define ACPI_METHOD_MAX_LOCAL 7 127 #define ACPI_METHOD_MAX_LOCAL 7
127 128
128 #define ACPI_METHOD_NUM_ARGS 7 129 #define ACPI_METHOD_NUM_ARGS 7
129 #define ACPI_METHOD_MAX_ARG 6 130 #define ACPI_METHOD_MAX_ARG 6
130 131
131 /* 132 /*
132 * Operand Stack (in WALK_STATE), Must be larg 133 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
133 */ 134 */
134 #define ACPI_OBJ_NUM_OPERANDS 8 135 #define ACPI_OBJ_NUM_OPERANDS 8
135 #define ACPI_OBJ_MAX_OPERAND 7 136 #define ACPI_OBJ_MAX_OPERAND 7
136 137
137 /* Number of elements in the Result Stack fram 138 /* Number of elements in the Result Stack frame, can be an arbitrary value */
138 139
139 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 140 #define ACPI_RESULTS_FRAME_OBJ_NUM 8
140 141
141 /* 142 /*
142 * Maximal number of elements the Result Stack 143 * Maximal number of elements the Result Stack can contain,
143 * it may be an arbitrary value not exceeding 144 * it may be an arbitrary value not exceeding the types of
144 * result_size and result_count (now u8). 145 * result_size and result_count (now u8).
145 */ 146 */
146 #define ACPI_RESULTS_OBJ_NUM_MAX 255 147 #define ACPI_RESULTS_OBJ_NUM_MAX 255
147 148
148 /* Constants used in searching for the RSDP in 149 /* Constants used in searching for the RSDP in low memory */
149 150
150 #define ACPI_EBDA_PTR_LOCATION 0x0000 151 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */
151 #define ACPI_EBDA_PTR_LENGTH 2 152 #define ACPI_EBDA_PTR_LENGTH 2
152 #define ACPI_EBDA_WINDOW_SIZE 1024 153 #define ACPI_EBDA_WINDOW_SIZE 1024
153 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E 154 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */
154 #define ACPI_HI_RSDP_WINDOW_SIZE 0x0002 155 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000
155 #define ACPI_RSDP_SCAN_STEP 16 156 #define ACPI_RSDP_SCAN_STEP 16
156 157
157 /* Operation regions */ 158 /* Operation regions */
158 159
159 #define ACPI_USER_REGION_BEGIN 0x80 160 #define ACPI_USER_REGION_BEGIN 0x80
160 161
161 /* Maximum space_ids for Operation Regions */ 162 /* Maximum space_ids for Operation Regions */
162 163
163 #define ACPI_MAX_ADDRESS_SPACE 255 164 #define ACPI_MAX_ADDRESS_SPACE 255
164 #define ACPI_NUM_DEFAULT_SPACES 4 165 #define ACPI_NUM_DEFAULT_SPACES 4
165 166
166 /* Array sizes. Used for range checking also 167 /* Array sizes. Used for range checking also */
167 168
168 #define ACPI_MAX_MATCH_OPCODE 5 169 #define ACPI_MAX_MATCH_OPCODE 5
169 170
170 /* RSDP checksums */ 171 /* RSDP checksums */
171 172
172 #define ACPI_RSDP_CHECKSUM_LENGTH 20 173 #define ACPI_RSDP_CHECKSUM_LENGTH 20
173 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 174 #define ACPI_RSDP_XCHECKSUM_LENGTH 36
174 175
175 /* 176 /*
176 * SMBus, GSBus and IPMI buffer sizes. All hav 177 * SMBus, GSBus and IPMI buffer sizes. All have a 2-byte header,
177 * containing both Status and Length. 178 * containing both Status and Length.
178 */ 179 */
179 #define ACPI_SERIAL_HEADER_SIZE 2 180 #define ACPI_SERIAL_HEADER_SIZE 2 /* Common for below. Status and Length fields */
180 181
181 #define ACPI_SMBUS_DATA_SIZE 32 182 #define ACPI_SMBUS_DATA_SIZE 32
182 #define ACPI_SMBUS_BUFFER_SIZE ACPI_S 183 #define ACPI_SMBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_SMBUS_DATA_SIZE
183 184
184 #define ACPI_IPMI_DATA_SIZE 64 185 #define ACPI_IPMI_DATA_SIZE 64
185 #define ACPI_IPMI_BUFFER_SIZE ACPI_S 186 #define ACPI_IPMI_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_IPMI_DATA_SIZE
186 187
187 #define ACPI_MAX_GSBUS_DATA_SIZE 255 188 #define ACPI_MAX_GSBUS_DATA_SIZE 255
188 #define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_S 189 #define ACPI_MAX_GSBUS_BUFFER_SIZE ACPI_SERIAL_HEADER_SIZE + ACPI_MAX_GSBUS_DATA_SIZE
189 190
190 #define ACPI_PRM_INPUT_BUFFER_SIZE 26 191 #define ACPI_PRM_INPUT_BUFFER_SIZE 26
191 192
192 #define ACPI_FFH_INPUT_BUFFER_SIZE 256 193 #define ACPI_FFH_INPUT_BUFFER_SIZE 256
193 194
194 /* _sx_d and _sx_w control methods */ 195 /* _sx_d and _sx_w control methods */
195 196
196 #define ACPI_NUM_sx_d_METHODS 4 197 #define ACPI_NUM_sx_d_METHODS 4
197 #define ACPI_NUM_sx_w_METHODS 5 198 #define ACPI_NUM_sx_w_METHODS 5
198 199
199 /********************************************* 200 /******************************************************************************
200 * 201 *
201 * Miscellaneous constants 202 * Miscellaneous constants
202 * 203 *
203 ********************************************* 204 *****************************************************************************/
204 205
205 /* UUID constants */ 206 /* UUID constants */
206 207
207 #define UUID_BUFFER_LENGTH 16 /* Len 208 #define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */
208 #define UUID_STRING_LENGTH 36 /* Tot 209 #define UUID_STRING_LENGTH 36 /* Total length of a UUID string */
209 210
210 /* Positions for required hyphens (dashes) in 211 /* Positions for required hyphens (dashes) in UUID strings */
211 212
212 #define UUID_HYPHEN1_OFFSET 8 213 #define UUID_HYPHEN1_OFFSET 8
213 #define UUID_HYPHEN2_OFFSET 13 214 #define UUID_HYPHEN2_OFFSET 13
214 #define UUID_HYPHEN3_OFFSET 18 215 #define UUID_HYPHEN3_OFFSET 18
215 #define UUID_HYPHEN4_OFFSET 23 216 #define UUID_HYPHEN4_OFFSET 23
216 217
217 /********************************************* 218 /******************************************************************************
218 * 219 *
219 * ACPI AML Debugger 220 * ACPI AML Debugger
220 * 221 *
221 ********************************************* 222 *****************************************************************************/
222 223
223 #define ACPI_DEBUGGER_MAX_ARGS ACPI_M 224 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
224 #define ACPI_DB_LINE_BUFFER_SIZE 512 225 #define ACPI_DB_LINE_BUFFER_SIZE 512
225 226
226 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 227 #define ACPI_DEBUGGER_COMMAND_PROMPT '-'
227 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 228 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%'
228 229
229 #endif /* _ACCONFIG_H 230 #endif /* _ACCONFIG_H */
230 231
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