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

   1 /******************************************************************************
   2  *
   3  * Name: acconfig.h - Global configuration constants
   4  *
   5  *****************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2014, Intel Corp.
  12  * All rights reserved.
  13  *
  14  * 2. License
  15  *
  16  * 2.1. This is your license from Intel Corp. under its intellectual property
  17  * rights. You may have additional license terms from the party that provided
  18  * you this software, covering your right to use that party's intellectual
  19  * property rights.
  20  *
  21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  22  * copy of the source code appearing in this file ("Covered Code") an
  23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  24  * base code distributed originally by Intel ("Original Intel Code") to copy,
  25  * make derivatives, distribute, use and display any portion of the Covered
  26  * Code in any form, with the right to sublicense such rights; and
  27  *
  28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  29  * license (with the right to sublicense), under only those claims of Intel
  30  * patents that are infringed by the Original Intel Code, to make, use, sell,
  31  * offer to sell, and import the Covered Code and derivative works thereof
  32  * solely to the minimum extent necessary to exercise the above copyright
  33  * license, and in no event shall the patent license extend to any additions
  34  * to or modifications of the Original Intel Code. No other license or right
  35  * is granted directly or by implication, estoppel or otherwise;
  36  *
  37  * The above copyright and patent license is granted only if the following
  38  * conditions are met:
  39  *
  40  * 3. Conditions
  41  *
  42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  43  * Redistribution of source code of any substantial portion of the Covered
  44  * Code or modification with rights to further distribute source must include
  45  * the above Copyright Notice, the above License, this list of Conditions,
  46  * and the following Disclaimer and Export Compliance provision. In addition,
  47  * Licensee must cause all Covered Code to which Licensee contributes to
  48  * contain a file documenting the changes Licensee made to create that Covered
  49  * Code and the date of any change. Licensee must include in that file the
  50  * documentation of any changes made by any predecessor Licensee. Licensee
  51  * must include a prominent statement that the modification is derived,
  52  * directly or indirectly, from Original Intel Code.
  53  *
  54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  55  * Redistribution of source code of any substantial portion of the Covered
  56  * Code or modification without rights to further distribute source must
  57  * include the following Disclaimer and Export Compliance provision in the
  58  * documentation and/or other materials provided with distribution. In
  59  * addition, Licensee may not authorize further sublicense of source of any
  60  * portion of the Covered Code, and must include terms to the effect that the
  61  * license from Licensee to its licensee is limited to the intellectual
  62  * property embodied in the software Licensee provides to its licensee, and
  63  * not to intellectual property embodied in modifications its licensee may
  64  * make.
  65  *
  66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  67  * substantial portion of the Covered Code or modification must reproduce the
  68  * above Copyright Notice, and the following Disclaimer and Export Compliance
  69  * provision in the documentation and/or other materials provided with the
  70  * distribution.
  71  *
  72  * 3.4. Intel retains all right, title, and interest in and to the Original
  73  * Intel Code.
  74  *
  75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  76  * Intel shall be used in advertising or otherwise to promote the sale, use or
  77  * other dealings in products derived from or relating to the Covered Code
  78  * without prior written authorization from Intel.
  79  *
  80  * 4. Disclaimer and Export Compliance
  81  *
  82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
  85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
  86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
  87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  88  * PARTICULAR PURPOSE.
  89  *
  90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
  96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  97  * LIMITED REMEDY.
  98  *
  99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
 100  * software or system incorporating such software without first obtaining any
 101  * required license or other approval from the U. S. Department of Commerce or
 102  * any other agency or department of the United States Government. In the
 103  * event Licensee exports any such software from the United States or
 104  * re-exports any such software from a foreign destination, Licensee shall
 105  * ensure that the distribution and export/re-export of the software is in
 106  * compliance with all laws, regulations, orders, or other restrictions of the
 107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 108  * any of its subsidiaries will export/re-export any technical data, process,
 109  * software, or service, directly or indirectly, to any country for which the
 110  * United States government or any agency thereof requires an export license,
 111  * other governmental approval, or letter of assurance, without first obtaining
 112  * such license, approval or letter.
 113  *
 114  *****************************************************************************/
 115
 116 #ifndef _ACCONFIG_H
 117 #define _ACCONFIG_H
 118
 119
 120 /******************************************************************************
 121  *
 122  * Configuration options
 123  *
 124  *****************************************************************************/
 125
 126 /*
 127  * ACPI_DEBUG_OUTPUT    - This switch enables all the debug facilities of the
 128  *                        ACPI subsystem. This includes the DEBUG_PRINT output
 129  *                        statements. When disabled, all DEBUG_PRINT
 130  *                        statements are compiled out.
 131  *
 132  * ACPI_APPLICATION     - Use this switch if the subsystem is going to be run
 133  *                        at the application level.
 134  *
 135  */
 136
 137 /*
 138  * OS name, used for the _OS object. The _OS object is essentially obsolete,
 139  * but there is a large base of ASL/AML code in existing machines that check
 140  * for the string below. The use of this string usually guarantees that
 141  * the ASL will execute down the most tested code path. Also, there is some
 142  * code that will not execute the _OSI method unless _OS matches the string
 143  * below. Therefore, change this string at your own risk.
 144  */
 145 #define ACPI_OS_NAME                    "Microsoft Windows NT"
 146
 147 /* Maximum objects in the various object caches */
 148
 149 #define ACPI_MAX_STATE_CACHE_DEPTH      96          /* State objects */
 150 #define ACPI_MAX_PARSE_CACHE_DEPTH      96          /* Parse tree objects */
 151 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH   96          /* Parse tree objects */
 152 #define ACPI_MAX_OBJECT_CACHE_DEPTH     96          /* Interpreter operand objects */
 153 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH  96          /* Namespace objects */
 154
 155 /*
 156  * Should the subsystem abort the loading of an ACPI table if the
 157  * table checksum is incorrect?
 158  */
 159 #ifndef ACPI_CHECKSUM_ABORT
 160 #define ACPI_CHECKSUM_ABORT             FALSE
 161 #endif
 162
 163 /*
 164  * Generate a version of ACPICA that only supports "reduced hardware"
 165  * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized
 166  * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware"
 167  * model. In other words, no ACPI hardware is supported.
 168  *
 169  * If TRUE, this means no support for the following:
 170  *      PM Event and Control registers
 171  *      SCI interrupt (and handler)
 172  *      Fixed Events
 173  *      General Purpose Events (GPEs)
 174  *      Global Lock
 175  *      ACPI PM timer
 176  *      FACS table (Waking vectors and Global Lock)
 177  */
 178 #ifndef ACPI_REDUCED_HARDWARE
 179 #define ACPI_REDUCED_HARDWARE           FALSE
 180 #endif
 181
 182
 183 /******************************************************************************
 184  *
 185  * Subsystem Constants
 186  *
 187  *****************************************************************************/
 188
 189 /* Version of ACPI supported */
 190
 191 #define ACPI_CA_SUPPORT_LEVEL           5
 192
 193 /* Maximum count for a semaphore object */
 194
 195 #define ACPI_MAX_SEMAPHORE_COUNT        256
 196
 197 /* Maximum object reference count (detects object deletion issues) */
 198
 199 #define ACPI_MAX_REFERENCE_COUNT        0x800
 200
 201 /* Default page size for use in mapping memory for operation regions */
 202
 203 #define ACPI_DEFAULT_PAGE_SIZE          4096    /* Must be power of 2 */
 204
 205 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */
 206
 207 #define ACPI_NUM_OWNERID_MASKS          8
 208
 209 /* Size of the root table array is increased by this increment */
 210
 211 #define ACPI_ROOT_TABLE_SIZE_INCREMENT  4
 212
 213 /* Maximum number of While() loop iterations before forced abort */
 214
 215 #define ACPI_MAX_LOOP_ITERATIONS        0xFFFF
 216
 217 /* Maximum sleep allowed via Sleep() operator */
 218
 219 #define ACPI_MAX_SLEEP                  2000    /* 2000 millisec == two seconds */
 220
 221 /* Address Range lists are per-SpaceId (Memory and I/O only) */
 222
 223 #define ACPI_ADDRESS_RANGE_MAX          2
 224
 225
 226 /******************************************************************************
 227  *
 228  * ACPI Specification constants (Do not change unless the specification changes)
 229  *
 230  *****************************************************************************/
 231
 232 /* Method info (in WALK_STATE), containing local variables and argumetns */
 233
 234 #define ACPI_METHOD_NUM_LOCALS          8
 235 #define ACPI_METHOD_MAX_LOCAL           7
 236
 237 #define ACPI_METHOD_NUM_ARGS            7
 238 #define ACPI_METHOD_MAX_ARG             6
 239
 240 /*
 241  * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
 242  */
 243 #define ACPI_OBJ_NUM_OPERANDS           8
 244 #define ACPI_OBJ_MAX_OPERAND            7
 245
 246 /* Number of elements in the Result Stack frame, can be an arbitrary value */
 247
 248 #define ACPI_RESULTS_FRAME_OBJ_NUM      8
 249
 250 /*
 251  * Maximal number of elements the Result Stack can contain,
 252  * it may be an arbitray value not exceeding the types of
 253  * ResultSize and ResultCount (now UINT8).
 254  */
 255 #define ACPI_RESULTS_OBJ_NUM_MAX        255
 256
 257 /* Constants used in searching for the RSDP in low memory */
 258
 259 #define ACPI_EBDA_PTR_LOCATION          0x0000040E     /* Physical Address */
 260 #define ACPI_EBDA_PTR_LENGTH            2
 261 #define ACPI_EBDA_WINDOW_SIZE           1024
 262 #define ACPI_HI_RSDP_WINDOW_BASE        0x000E0000     /* Physical Address */
 263 #define ACPI_HI_RSDP_WINDOW_SIZE        0x00020000
 264 #define ACPI_RSDP_SCAN_STEP             16
 265
 266 /* Operation regions */
 267
 268 #define ACPI_USER_REGION_BEGIN          0x80
 269
 270 /* Maximum SpaceIds for Operation Regions */
 271
 272 #define ACPI_MAX_ADDRESS_SPACE          255
 273 #define ACPI_NUM_DEFAULT_SPACES         4
 274
 275 /* Array sizes. Used for range checking also */
 276
 277 #define ACPI_MAX_MATCH_OPCODE           5
 278
 279 /* RSDP checksums */
 280
 281 #define ACPI_RSDP_CHECKSUM_LENGTH       20
 282 #define ACPI_RSDP_XCHECKSUM_LENGTH      36
 283
 284 /* SMBus, GSBus and IPMI bidirectional buffer size */
 285
 286 #define ACPI_SMBUS_BUFFER_SIZE          34
 287 #define ACPI_GSBUS_BUFFER_SIZE          34
 288 #define ACPI_IPMI_BUFFER_SIZE           66
 289
 290 /* _SxD and _SxW control methods */
 291
 292 #define ACPI_NUM_SxD_METHODS            4
 293 #define ACPI_NUM_SxW_METHODS            5
 294
 295
 296 /******************************************************************************
 297  *
 298  * ACPI AML Debugger
 299  *
 300  *****************************************************************************/
 301
 302 #define ACPI_DEBUGGER_MAX_ARGS          ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */
 303 #define ACPI_DB_LINE_BUFFER_SIZE        512
 304
 305 #define ACPI_DEBUGGER_COMMAND_PROMPT    '-'
 306 #define ACPI_DEBUGGER_EXECUTE_PROMPT    '%'
 307
 308
 309 #endif /* _ACCONFIG_H */