drivers/acpi/include/acparser.h

   1 /******************************************************************************
   2  *
   3  * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
   4  *
   5  *****************************************************************************/
   6
   7 /******************************************************************************
   8  *
   9  * 1. Copyright Notice
  10  *
  11  * Some or all of this work - Copyright (c) 1999 - 2010, 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
 117 #ifndef __ACPARSER_H__
 118 #define __ACPARSER_H__
 119
 120
 121 #define OP_HAS_RETURN_VALUE             1
 122
 123 /* Variable number of arguments. This field must be 32 bits */
 124
 125 #define ACPI_VAR_ARGS                   ACPI_UINT32_MAX
 126
 127
 128 #define ACPI_PARSE_DELETE_TREE          0x0001
 129 #define ACPI_PARSE_NO_TREE_DELETE       0x0000
 130 #define ACPI_PARSE_TREE_MASK            0x0001
 131
 132 #define ACPI_PARSE_LOAD_PASS1           0x0010
 133 #define ACPI_PARSE_LOAD_PASS2           0x0020
 134 #define ACPI_PARSE_EXECUTE              0x0030
 135 #define ACPI_PARSE_MODE_MASK            0x0030
 136
 137 #define ACPI_PARSE_DEFERRED_OP          0x0100
 138 #define ACPI_PARSE_DISASSEMBLE          0x0200
 139
 140 #define ACPI_PARSE_MODULE_LEVEL         0x0400
 141
 142 /******************************************************************************
 143  *
 144  * Parser interfaces
 145  *
 146  *****************************************************************************/
 147
 148
 149 /*
 150  * psxface - Parser external interfaces
 151  */
 152 ACPI_STATUS
 153 AcpiPsExecuteMethod (
 154     ACPI_EVALUATE_INFO      *Info);
 155
 156
 157 /*
 158  * psargs - Parse AML opcode arguments
 159  */
 160 UINT8 *
 161 AcpiPsGetNextPackageEnd (
 162     ACPI_PARSE_STATE        *ParserState);
 163
 164 char *
 165 AcpiPsGetNextNamestring (
 166     ACPI_PARSE_STATE        *ParserState);
 167
 168 void
 169 AcpiPsGetNextSimpleArg (
 170     ACPI_PARSE_STATE        *ParserState,
 171     UINT32                  ArgType,
 172     ACPI_PARSE_OBJECT       *Arg);
 173
 174 ACPI_STATUS
 175 AcpiPsGetNextNamepath (
 176     ACPI_WALK_STATE         *WalkState,
 177     ACPI_PARSE_STATE        *ParserState,
 178     ACPI_PARSE_OBJECT       *Arg,
 179     BOOLEAN                 MethodCall);
 180
 181 ACPI_STATUS
 182 AcpiPsGetNextArg (
 183     ACPI_WALK_STATE         *WalkState,
 184     ACPI_PARSE_STATE        *ParserState,
 185     UINT32                  ArgType,
 186     ACPI_PARSE_OBJECT       **ReturnArg);
 187
 188
 189 /*
 190  * psfind
 191  */
 192 ACPI_PARSE_OBJECT *
 193 AcpiPsFindName (
 194     ACPI_PARSE_OBJECT       *Scope,
 195     UINT32                  Name,
 196     UINT32                  Opcode);
 197
 198 ACPI_PARSE_OBJECT*
 199 AcpiPsGetParent (
 200     ACPI_PARSE_OBJECT       *Op);
 201
 202
 203 /*
 204  * psopcode - AML Opcode information
 205  */
 206 const ACPI_OPCODE_INFO *
 207 AcpiPsGetOpcodeInfo (
 208     UINT16                  Opcode);
 209
 210 char *
 211 AcpiPsGetOpcodeName (
 212     UINT16                  Opcode);
 213
 214 UINT8
 215 AcpiPsGetArgumentCount (
 216     UINT32                  OpType);
 217
 218
 219 /*
 220  * psparse - top level parsing routines
 221  */
 222 ACPI_STATUS
 223 AcpiPsParseAml (
 224     ACPI_WALK_STATE         *WalkState);
 225
 226 UINT32
 227 AcpiPsGetOpcodeSize (
 228     UINT32                  Opcode);
 229
 230 UINT16
 231 AcpiPsPeekOpcode (
 232     ACPI_PARSE_STATE        *state);
 233
 234 ACPI_STATUS
 235 AcpiPsCompleteThisOp (
 236     ACPI_WALK_STATE         *WalkState,
 237     ACPI_PARSE_OBJECT       *Op);
 238
 239 ACPI_STATUS
 240 AcpiPsNextParseState (
 241     ACPI_WALK_STATE         *WalkState,
 242     ACPI_PARSE_OBJECT       *Op,
 243     ACPI_STATUS             CallbackStatus);
 244
 245
 246 /*
 247  * psloop - main parse loop
 248  */
 249 ACPI_STATUS
 250 AcpiPsParseLoop (
 251     ACPI_WALK_STATE         *WalkState);
 252
 253
 254 /*
 255  * psscope - Scope stack management routines
 256  */
 257 ACPI_STATUS
 258 AcpiPsInitScope (
 259     ACPI_PARSE_STATE        *ParserState,
 260     ACPI_PARSE_OBJECT       *Root);
 261
 262 ACPI_PARSE_OBJECT *
 263 AcpiPsGetParentScope (
 264     ACPI_PARSE_STATE        *state);
 265
 266 BOOLEAN
 267 AcpiPsHasCompletedScope (
 268     ACPI_PARSE_STATE        *ParserState);
 269
 270 void
 271 AcpiPsPopScope (
 272     ACPI_PARSE_STATE        *ParserState,
 273     ACPI_PARSE_OBJECT       **Op,
 274     UINT32                  *ArgList,
 275     UINT32                  *ArgCount);
 276
 277 ACPI_STATUS
 278 AcpiPsPushScope (
 279     ACPI_PARSE_STATE        *ParserState,
 280     ACPI_PARSE_OBJECT       *Op,
 281     UINT32                  RemainingArgs,
 282     UINT32                  ArgCount);
 283
 284 void
 285 AcpiPsCleanupScope (
 286     ACPI_PARSE_STATE        *state);
 287
 288
 289 /*
 290  * pstree - parse tree manipulation routines
 291  */
 292 void
 293 AcpiPsAppendArg(
 294     ACPI_PARSE_OBJECT       *op,
 295     ACPI_PARSE_OBJECT       *arg);
 296
 297 ACPI_PARSE_OBJECT*
 298 AcpiPsFind (
 299     ACPI_PARSE_OBJECT       *Scope,
 300     char                    *Path,
 301     UINT16                  Opcode,
 302     UINT32                  Create);
 303
 304 ACPI_PARSE_OBJECT *
 305 AcpiPsGetArg(
 306     ACPI_PARSE_OBJECT       *op,
 307     UINT32                   argn);
 308
 309 ACPI_PARSE_OBJECT *
 310 AcpiPsGetDepthNext (
 311     ACPI_PARSE_OBJECT       *Origin,
 312     ACPI_PARSE_OBJECT       *Op);
 313
 314
 315 /*
 316  * pswalk - parse tree walk routines
 317  */
 318 ACPI_STATUS
 319 AcpiPsWalkParsedAml (
 320     ACPI_PARSE_OBJECT       *StartOp,
 321     ACPI_PARSE_OBJECT       *EndOp,
 322     ACPI_OPERAND_OBJECT     *MthDesc,
 323     ACPI_NAMESPACE_NODE     *StartNode,
 324     ACPI_OPERAND_OBJECT     **Params,
 325     ACPI_OPERAND_OBJECT     **CallerReturnDesc,
 326     ACPI_OWNER_ID           OwnerId,
 327     ACPI_PARSE_DOWNWARDS    DescendingCallback,
 328     ACPI_PARSE_UPWARDS      AscendingCallback);
 329
 330 ACPI_STATUS
 331 AcpiPsGetNextWalkOp (
 332     ACPI_WALK_STATE         *WalkState,
 333     ACPI_PARSE_OBJECT       *Op,
 334     ACPI_PARSE_UPWARDS      AscendingCallback);
 335
 336 ACPI_STATUS
 337 AcpiPsDeleteCompletedOp (
 338     ACPI_WALK_STATE         *WalkState);
 339
 340 void
 341 AcpiPsDeleteParseTree (
 342     ACPI_PARSE_OBJECT       *root);
 343
 344
 345 /*
 346  * psutils - parser utilities
 347  */
 348 ACPI_PARSE_OBJECT *
 349 AcpiPsCreateScopeOp (
 350     void);
 351
 352 void
 353 AcpiPsInitOp (
 354     ACPI_PARSE_OBJECT       *op,
 355     UINT16                  opcode);
 356
 357 ACPI_PARSE_OBJECT *
 358 AcpiPsAllocOp (
 359     UINT16                  opcode);
 360
 361 void
 362 AcpiPsFreeOp (
 363     ACPI_PARSE_OBJECT       *Op);
 364
 365 BOOLEAN
 366 AcpiPsIsLeadingChar (
 367     UINT32                  c);
 368
 369 BOOLEAN
 370 AcpiPsIsPrefixChar (
 371     UINT32                  c);
 372
 373 UINT32
 374 AcpiPsGetName(
 375     ACPI_PARSE_OBJECT       *op);
 376
 377 void
 378 AcpiPsSetName(
 379     ACPI_PARSE_OBJECT       *op,
 380     UINT32                  name);
 381
 382
 383 /*
 384  * psdump - display parser tree
 385  */
 386 UINT32
 387 AcpiPsSprintPath (
 388     char                    *BufferStart,
 389     UINT32                  BufferSize,
 390     ACPI_PARSE_OBJECT       *Op);
 391
 392 UINT32
 393 AcpiPsSprintOp (
 394     char                    *BufferStart,
 395     UINT32                  BufferSize,
 396     ACPI_PARSE_OBJECT       *Op);
 397
 398 void
 399 AcpiPsShow (
 400     ACPI_PARSE_OBJECT       *op);
 401
 402
 403 #endif /* __ACPARSER_H__ */