drivers/bus/acpi/acpica/include/acconfig.h

   1 /******************************************************************************
   2  *
   3  * Name: acconfig.h - Global configuration constants
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2017, 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 #define ACPI_MAX_COMMENT_CACHE_DEPTH    96          /* Comments for the -ca option */
  83
  84 /*
  85  * Should the subsystem abort the loading of an ACPI table if the
  86  * table checksum is incorrect?
  87  */
  88 #ifndef ACPI_CHECKSUM_ABORT
  89 #define ACPI_CHECKSUM_ABORT             FALSE
  90 #endif
  91
  92 /*
  93  * Generate a version of ACPICA that only supports "reduced hardware"
  94  * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
  95  * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
  96  * model. In other words, no ACPI hardware is supported.
  97  *
  98  * If TRUE, this means no support for the following:
  99  *      PM Event and Control registers
 100  *      SCI interrupt (and handler)
 101  *      Fixed Events
 102  *      General Purpose Events (GPEs)
 103  *      Global Lock
 104  *      ACPI PM timer
 105  *      FACS table (Waking vectors and Global Lock)
 106  */
 107 #ifndef ACPI_REDUCED_HARDWARE
 108 #define ACPI_REDUCED_HARDWARE           FALSE
 109 #endif
 110
 111
 112 /******************************************************************************
 113  *
 114  * Subsystem Constants
 115  *
 116  *****************************************************************************/
 117
 118 /* Version of ACPI supported */
 119
 120 #define ACPI_CA_SUPPORT_LEVEL           5
 121
 122 /* Maximum count for a semaphore object */
 123
 124 #define ACPI_MAX_SEMAPHORE_COUNT        256
 125
 126 /* Maximum object reference count (detects object deletion issues) */
 127
 128 #define ACPI_MAX_REFERENCE_COUNT        0x800
 129
 130 /* Default page size for use in mapping memory for operation regions */
 131
 132 #define ACPI_DEFAULT_PAGE_SIZE          4096    /* Must be power of 2 */
 133
 134 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
 135
 136 #define ACPI_NUM_OWNERID_MASKS          8
 137
 138 /* Size of the root table array is increased by this increment */
 139
 140 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
 141
 142 /* Maximum sleep allowed via Sleep() operator */
 143
 144 #define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
 145
 146 /* Address Range lists are per-SpaceId (Memory and I/O only) */
 147
 148 #define ACPI_ADDRESS_RANGE_MAX          2
 149
 150 /* Maximum time (default 30s) of While() loops before abort */
 151
 152 #define ACPI_MAX_LOOP_TIMEOUT           30
 153
 154
 155 /******************************************************************************
 156  *
 157  * ACPI Specification constants (Do not change unless the specification changes)
 158  *
 159  *****************************************************************************/
 160
 161 /* Method info (in WALK_STATE), containing local variables and argumetns */
 162
 163 #define ACPI_METHOD_NUM_LOCALS          8
 164 #define ACPI_METHOD_MAX_LOCAL           7
 165
 166 #define ACPI_METHOD_NUM_ARGS            7
 167 #define ACPI_METHOD_MAX_ARG             6
 168
 169 /*
 170  * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
 171  */
 172 #define ACPI_OBJ_NUM_OPERANDS           8
 173 #define ACPI_OBJ_MAX_OPERAND            7
 174
 175 /* Number of elements in the Result Stack frame, can be an arbitrary value */
 176
 177 #define ACPI_RESULTS_FRAME_OBJ_NUM      8
 178
 179 /*
 180  * Maximal number of elements the Result Stack can contain,
 181  * it may be an arbitray value not exceeding the types of
 182  * ResultSize and ResultCount (now UINT8).
 183  */
 184 #define ACPI_RESULTS_OBJ_NUM_MAX        255
 185
 186 /* Constants used in searching for the RSDP in low memory */
 187
 188 #define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
 189 #define ACPI_EBDA_PTR_LENGTH            2
 190 #define ACPI_EBDA_WINDOW_SIZE           1024
 191 #define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
 192 #define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
 193 #define ACPI_RSDP_SCAN_STEP             16
 194
 195 /* Operation regions */
 196
 197 #define ACPI_USER_REGION_BEGIN          0x80
 198
 199 /* Maximum SpaceIds for Operation Regions */
 200
 201 #define ACPI_MAX_ADDRESS_SPACE          255
 202 #define ACPI_NUM_DEFAULT_SPACES         4
 203
 204 /* Array sizes. Used for range checking also */
 205
 206 #define ACPI_MAX_MATCH_OPCODE           5
 207
 208 /* RSDP checksums */
 209
 210 #define ACPI_RSDP_CHECKSUM_LENGTH       20
 211 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
 212
 213 /* SMBus, GSBus and IPMI bidirectional buffer size */
 214
 215 #define ACPI_SMBUS_BUFFER_SIZE          34
 216 #define ACPI_GSBUS_BUFFER_SIZE          34
 217 #define ACPI_IPMI_BUFFER_SIZE           66
 218
 219 /* _SxD and _SxW control methods */
 220
 221 #define ACPI_NUM_SxD_METHODS            4
 222 #define ACPI_NUM_SxW_METHODS            5
 223
 224
 225 /******************************************************************************
 226  *
 227  * Miscellaneous constants
 228  *
 229  *****************************************************************************/
 230
 231 /* UUID constants */
 232
 233 #define UUID_BUFFER_LENGTH          16 /* Length of UUID in memory */
 234 #define UUID_STRING_LENGTH          36 /* Total length of a UUID string */
 235
 236 /* Positions for required hyphens (dashes) in UUID strings */
 237
 238 #define UUID_HYPHEN1_OFFSET         8
 239 #define UUID_HYPHEN2_OFFSET         13
 240 #define UUID_HYPHEN3_OFFSET         18
 241 #define UUID_HYPHEN4_OFFSET         23
 242
 243
 244 /******************************************************************************
 245  *
 246  * ACPI AML Debugger
 247  *
 248  *****************************************************************************/
 249
 250 #define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
 251 #define ACPI_DB_LINE_BUFFER_SIZE        512
 252
 253 #define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
 254 #define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
 255
 256
 257 #endif /* _ACCONFIG_H */