drivers/acpi/acpica/acpredef.h

   1 /******************************************************************************
   2  *
   3  * Name: acpredef - Information table for ACPI predefined methods and objects
   4  *              $Revision: 1.1 $
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  * Copyright (C) 2000 - 2008, Intel Corp.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions, and the following disclaimer,
  17  *    without modification.
  18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  19  *    substantially similar to the "NO WARRANTY" disclaimer below
  20  *    ("Disclaimer") and any redistribution must be conditioned upon
  21  *    including a substantially similar Disclaimer requirement for further
  22  *    binary redistribution.
  23  * 3. Neither the names of the above-listed copyright holders nor the names
  24  *    of any contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * Alternatively, this software may be distributed under the terms of the
  28  * GNU General Public License ("GPL") version 2 as published by the Free
  29  * Software Foundation.
  30  *
  31  * NO WARRANTY
  32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  35  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  36  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  40  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  41  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  42  * POSSIBILITY OF SUCH DAMAGES.
  43  */
  44
  45 #ifndef __ACPREDEF_H__
  46 #define __ACPREDEF_H__
  47
  48 /******************************************************************************
  49  *
  50  * Return Package types
  51  *
  52  * 1) PTYPE1 packages do not contain sub-packages.
  53  *
  54  * ACPI_PTYPE1_FIXED: Fixed length, 1 or 2 object types:
  55  *      object type
  56  *      count
  57  *      object type
  58  *      count
  59  *
  60  * ACPI_PTYPE1_VAR: Variable length:
  61  *      object type (Int/Buf/Ref)
  62  *
  63  * ACPI_PTYPE1_OPTION: Package has some required and some optional elements
  64  *      (Used for _PRW)
  65  *
  66  *
  67  * 2) PTYPE2 packages contain a Variable-length number of sub-packages. Each
  68  *    of the different types describe the contents of each of the sub-packages.
  69  *
  70  * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types:
  71  *      object type
  72  *      count
  73  *      object type
  74  *      count
  75  *      (Used for _ALR,_MLS,_PSS,_TRT,_TSS)
  76  *
  77  * ACPI_PTYPE2_COUNT: Each subpackage has a count as first element:
  78  *      object type
  79  *      (Used for _CSD,_PSD,_TSD)
  80  *
  81  * ACPI_PTYPE2_PKG_COUNT: Count of subpackages at start, 1 or 2 object types:
  82  *      object type
  83  *      count
  84  *      object type
  85  *      count
  86  *      (Used for _CST)
  87  *
  88  * ACPI_PTYPE2_FIXED: Each subpackage is of fixed length
  89  *      (Used for _PRT)
  90  *
  91  * ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
  92  *      (Used for _HPX)
  93  *
  94  * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
  95  *      (Used for _ART, _FPS)
  96  *
  97  *****************************************************************************/
  98
  99 enum acpi_return_package_types {
 100         ACPI_PTYPE1_FIXED = 1,
 101         ACPI_PTYPE1_VAR = 2,
 102         ACPI_PTYPE1_OPTION = 3,
 103         ACPI_PTYPE2 = 4,
 104         ACPI_PTYPE2_COUNT = 5,
 105         ACPI_PTYPE2_PKG_COUNT = 6,
 106         ACPI_PTYPE2_FIXED = 7,
 107         ACPI_PTYPE2_MIN = 8,
 108         ACPI_PTYPE2_REV_FIXED = 9
 109 };
 110
 111 #ifdef ACPI_CREATE_PREDEFINED_TABLE
 112 /*
 113  * Predefined method/object information table.
 114  *
 115  * These are the names that can actually be evaluated via acpi_evaluate_object.
 116  * Not present in this table are the following:
 117  *
 118  *      1) Predefined/Reserved names that are never evaluated via acpi_evaluate_object:
 119  *          _Lxx and _Exx GPE methods
 120  *          _Qxx EC methods
 121  *          _T_x compiler temporary variables
 122  *
 123  *      2) Predefined names that never actually exist within the AML code:
 124  *          Predefined resource descriptor field names
 125  *
 126  *      3) Predefined names that are implemented within ACPICA:
 127  *          _OSI
 128  *
 129  *      4) Some predefined names that are not documented within the ACPI spec.
 130  *          _WDG, _WED
 131  *
 132  * The main entries in the table each contain the following items:
 133  *
 134  * Name                 - The ACPI reserved name
 135  * param_count          - Number of arguments to the method
 136  * expected_btypes      - Allowed type(s) for the return value.
 137  *                        0 means that no return value is expected.
 138  *
 139  * For methods that return packages, the next entry in the table contains
 140  * information about the expected structure of the package. This information
 141  * is saved here (rather than in a separate table) in order to minimize the
 142  * overall size of the stored data.
 143  */
 144 static const union acpi_predefined_info predefined_names[] =
 145 {
 146         {{"_AC0", 0, ACPI_RTYPE_INTEGER}},
 147         {{"_AC1", 0, ACPI_RTYPE_INTEGER}},
 148         {{"_AC2", 0, ACPI_RTYPE_INTEGER}},
 149         {{"_AC3", 0, ACPI_RTYPE_INTEGER}},
 150         {{"_AC4", 0, ACPI_RTYPE_INTEGER}},
 151         {{"_AC5", 0, ACPI_RTYPE_INTEGER}},
 152         {{"_AC6", 0, ACPI_RTYPE_INTEGER}},
 153         {{"_AC7", 0, ACPI_RTYPE_INTEGER}},
 154         {{"_AC8", 0, ACPI_RTYPE_INTEGER}},
 155         {{"_AC9", 0, ACPI_RTYPE_INTEGER}},
 156         {{"_ADR", 0, ACPI_RTYPE_INTEGER}},
 157         {{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 158                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 159
 160         {{"_AL1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 161                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 162
 163         {{"_AL2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 164                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 165
 166         {{"_AL3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 167                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 168
 169         {{"_AL4", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 170                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 171
 172         {{"_AL5", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 173                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 174
 175         {{"_AL6", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 176                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 177
 178         {{"_AL7", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 179                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 180
 181         {{"_AL8", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 182                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 183
 184         {{"_AL9", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 185                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 186
 187         {{"_ALC", 0, ACPI_RTYPE_INTEGER}},
 188         {{"_ALI", 0, ACPI_RTYPE_INTEGER}},
 189         {{"_ALP", 0, ACPI_RTYPE_INTEGER}},
 190         {{"_ALR", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2 (Ints) */
 191                           {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2,0}, 0,0}},
 192
 193         {{"_ALT", 0, ACPI_RTYPE_INTEGER}},
 194         {{"_ART", 0, ACPI_RTYPE_PACKAGE}},      /* Variable-length (1 Int(rev), n Pkg (2 Ref/11 Int) */
 195         {{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER},
 196           11, 0}},
 197
 198         {{"_BBN", 0, ACPI_RTYPE_INTEGER}},
 199         {{"_BCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
 200                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
 201
 202         {{"_BCM", 1, 0}},
 203         {{"_BCT", 1, ACPI_RTYPE_INTEGER}},
 204         {{"_BDN", 0, ACPI_RTYPE_INTEGER}},
 205         {{"_BFS", 1, 0}},
 206         {{"_BIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (9 Int),(4 Str) */
 207                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9, ACPI_RTYPE_STRING}, 4,0}},
 208
 209         {{"_BIX", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (16 Int),(4 Str) */
 210         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,
 211           0}},
 212
 213         {{"_BLT", 3, 0}},
 214         {{"_BMA", 1, ACPI_RTYPE_INTEGER}},
 215         {{"_BMC", 1, 0}},
 216         {{"_BMD", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (5 Int) */
 217                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
 218
 219         {{"_BMS", 1, ACPI_RTYPE_INTEGER}},
 220         {{"_BQC", 0, ACPI_RTYPE_INTEGER}},
 221         {{"_BST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
 222                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
 223
 224         {{"_BTM", 1, ACPI_RTYPE_INTEGER}},
 225         {{"_BTP", 1, 0}},
 226         {{"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* See PCI firmware spec 3.0 */
 227         {{"_CDM", 0, ACPI_RTYPE_INTEGER}},
 228         {{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
 229                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
 230
 231         {{"_CRS", 0, ACPI_RTYPE_BUFFER}},
 232         {{"_CRT", 0, ACPI_RTYPE_INTEGER}},
 233         {{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */
 234                           {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
 235
 236         {{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
 237                           {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
 238
 239         {{"_DCK", 1, ACPI_RTYPE_INTEGER}},
 240         {{"_DCS", 0, ACPI_RTYPE_INTEGER}},
 241         {{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
 242         {{"_DDN", 0, ACPI_RTYPE_STRING}},
 243         {{"_DGS", 0, ACPI_RTYPE_INTEGER}},
 244         {{"_DIS", 0, 0}},
 245         {{"_DMA", 0, ACPI_RTYPE_BUFFER}},
 246         {{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
 247                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
 248
 249         {{"_DOS", 1, 0}},
 250         {{"_DSM", 4, ACPI_RTYPE_ALL}},     /* Must return a type, but it can be of any type */
 251         {{"_DSS", 1, 0}},
 252         {{"_DSW", 3, 0}},
 253         {{"_DTI", 1, 0}},
 254         {{"_EC_", 0, ACPI_RTYPE_INTEGER}},
 255         {{"_EDL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs)*/
 256                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 257
 258         {{"_EJ0", 1, 0}},
 259         {{"_EJ1", 1, 0}},
 260         {{"_EJ2", 1, 0}},
 261         {{"_EJ3", 1, 0}},
 262         {{"_EJ4", 1, 0}},
 263         {{"_EJD", 0, ACPI_RTYPE_STRING}},
 264         {{"_FDE", 0, ACPI_RTYPE_BUFFER}},
 265         {{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */
 266                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}},
 267
 268         {{"_FDM", 1, 0}},
 269         {{"_FIF", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (4 Int) */
 270                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0}, 0, 0}},
 271
 272         {{"_FIX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
 273                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
 274
 275         {{"_FPS", 0, ACPI_RTYPE_PACKAGE}},      /* Variable-length (1 Int(rev), n Pkg (5 Int) */
 276         {{{ACPI_PTYPE2_REV_FIXED, ACPI_RTYPE_INTEGER, 5, 0}, 0, 0}},
 277
 278         {{"_FSL", 1, 0}},
 279         {{"_FST", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (3 Int) */
 280         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}},
 281
 282         {{"_GAI", 0, ACPI_RTYPE_INTEGER}},
 283         {{"_GHL", 0, ACPI_RTYPE_INTEGER}},
 284         {{"_GLK", 0, ACPI_RTYPE_INTEGER}},
 285         {{"_GPD", 0, ACPI_RTYPE_INTEGER}},
 286         {{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
 287         {{"_GSB", 0, ACPI_RTYPE_INTEGER}},
 288         {{"_GTF", 0, ACPI_RTYPE_BUFFER}},
 289         {{"_GTM", 0, ACPI_RTYPE_BUFFER}},
 290         {{"_GTS", 1, 0}},
 291         {{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
 292         {{"_HOT", 0, ACPI_RTYPE_INTEGER}},
 293         {{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
 294                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
 295
 296         /*
 297          * For _HPX, a single package is returned, containing a Variable-length number
 298          * of sub-packages. Each sub-package contains a PCI record setting.
 299          * There are several different type of record settings, of different
 300          * lengths, but all elements of all settings are Integers.
 301          */
 302         {{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */
 303                           {{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
 304
 305         {{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
 306         {{"_INI", 0, 0}},
 307         {{"_IRC", 0, 0}},
 308         {{"_LCK", 1, 0}},
 309         {{"_LID", 0, ACPI_RTYPE_INTEGER}},
 310         {{"_MAT", 0, ACPI_RTYPE_BUFFER}},
 311         {{"_MBM", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (8 Int) */
 312         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8, 0}, 0, 0}},
 313
 314         {{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (2 Str) */
 315                           {{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 2,0}, 0,0}},
 316
 317         {{"_MSG", 1, 0}},
 318         {{"_MSM", 4, ACPI_RTYPE_INTEGER}},
 319         {{"_NTT", 0, ACPI_RTYPE_INTEGER}},
 320         {{"_OFF", 0, 0}},
 321         {{"_ON_", 0, 0}},
 322         {{"_OS_", 0, ACPI_RTYPE_STRING}},
 323         {{"_OSC", 4, ACPI_RTYPE_BUFFER}},
 324         {{"_OST", 3, 0}},
 325         {{"_PAI", 1, ACPI_RTYPE_INTEGER}},
 326         {{"_PCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 327                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 328
 329         {{"_PCT", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
 330                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
 331
 332         {{"_PDC", 1, 0}},
 333         {{"_PDL", 0, ACPI_RTYPE_INTEGER}},
 334         {{"_PIC", 1, 0}},
 335         {{"_PIF", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (3 Int),(3 Str) */
 336         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, ACPI_RTYPE_STRING}, 3, 0}},
 337
 338         {{"_PLD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Bufs) */
 339                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0,0}, 0,0}},
 340
 341         {{"_PMC", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (11 Int),(3 Str) */
 342         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 11, ACPI_RTYPE_STRING}, 3,
 343           0}},
 344
 345         {{"_PMD", 0, ACPI_RTYPE_PACKAGE}},      /* Variable-length (Refs) */
 346         {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
 347
 348         {{"_PMM", 0, ACPI_RTYPE_INTEGER}},
 349         {{"_PPC", 0, ACPI_RTYPE_INTEGER}},
 350         {{"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* See dig64 spec */
 351         {{"_PR0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 352                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 353
 354         {{"_PR1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 355                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 356
 357         {{"_PR2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 358                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 359
 360         {{"_PR3", 0, ACPI_RTYPE_PACKAGE}},      /* Variable-length (Refs) */
 361         {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
 362
 363         {{"_PRL", 0, ACPI_RTYPE_PACKAGE}},      /* Variable-length (Refs) */
 364         {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}},
 365
 366         {{"_PRS", 0, ACPI_RTYPE_BUFFER}},
 367
 368         /*
 369          * For _PRT, many BIOSs reverse the 3rd and 4th Package elements (Source
 370          * and source_index). This bug is so prevalent that there is code in the
 371          * ACPICA Resource Manager to detect this and switch them back. For now,
 372          * do not allow and issue a warning. To allow this and eliminate the
 373          * warning, add the ACPI_RTYPE_REFERENCE type to the 4th element (index 3)
 374          * in the statement below.
 375          */
 376         {{"_PRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (4): Int,Int,Int/Ref,Int */
 377                           {{{ACPI_PTYPE2_FIXED, 4, ACPI_RTYPE_INTEGER,ACPI_RTYPE_INTEGER},
 378                           ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE,
 379                           ACPI_RTYPE_INTEGER}},
 380
 381         {{"_PRW", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each: Pkg/Int,Int,[Variable-length Refs] (Pkg is Ref/Int) */
 382                           {{{ACPI_PTYPE1_OPTION, 2, ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE,
 383                           ACPI_RTYPE_INTEGER}, ACPI_RTYPE_REFERENCE,0}},
 384
 385         {{"_PS0", 0, 0}},
 386         {{"_PS1", 0, 0}},
 387         {{"_PS2", 0, 0}},
 388         {{"_PS3", 0, 0}},
 389         {{"_PSC", 0, ACPI_RTYPE_INTEGER}},
 390         {{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */
 391                           {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}},
 392
 393         {{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 394                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 395
 396         {{"_PSR", 0, ACPI_RTYPE_INTEGER}},
 397         {{"_PSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (6 Int) */
 398                           {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6,0}, 0,0}},
 399
 400         {{"_PSV", 0, ACPI_RTYPE_INTEGER}},
 401         {{"_PSW", 1, 0}},
 402         {{"_PTC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
 403                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
 404
 405         {{"_PTP", 2, ACPI_RTYPE_INTEGER}},
 406         {{"_PTS", 1, 0}},
 407         {{"_PUR", 0, ACPI_RTYPE_PACKAGE}},      /* Fixed-length (2 Int) */
 408         {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0}, 0, 0}},
 409
 410         {{"_PXM", 0, ACPI_RTYPE_INTEGER}},
 411         {{"_REG", 2, 0}},
 412         {{"_REV", 0, ACPI_RTYPE_INTEGER}},
 413         {{"_RMV", 0, ACPI_RTYPE_INTEGER}},
 414         {{"_ROM", 2, ACPI_RTYPE_BUFFER}},
 415         {{"_RTV", 0, ACPI_RTYPE_INTEGER}},
 416
 417         /*
 418          * For _S0_ through _S5_, the ACPI spec defines a return Package
 419          * containing 1 Integer, but most DSDTs have it wrong - 2,3, or 4 integers.
 420          * Allow this by making the objects "Variable-length length", but all elements
 421          * must be Integers.
 422          */
 423         {{"_S0_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 424                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 425
 426         {{"_S1_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 427                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 428
 429         {{"_S2_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 430                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 431
 432         {{"_S3_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 433                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 434
 435         {{"_S4_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 436                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 437
 438         {{"_S5_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
 439                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
 440
 441         {{"_S1D", 0, ACPI_RTYPE_INTEGER}},
 442         {{"_S2D", 0, ACPI_RTYPE_INTEGER}},
 443         {{"_S3D", 0, ACPI_RTYPE_INTEGER}},
 444         {{"_S4D", 0, ACPI_RTYPE_INTEGER}},
 445         {{"_S0W", 0, ACPI_RTYPE_INTEGER}},
 446         {{"_S1W", 0, ACPI_RTYPE_INTEGER}},
 447         {{"_S2W", 0, ACPI_RTYPE_INTEGER}},
 448         {{"_S3W", 0, ACPI_RTYPE_INTEGER}},
 449         {{"_S4W", 0, ACPI_RTYPE_INTEGER}},
 450         {{"_SBS", 0, ACPI_RTYPE_INTEGER}},
 451         {{"_SCP", 0x13, 0}},               /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
 452                            /* Note: the 3-arg definition may be removed for ACPI 4.0 */
 453         {{"_SDD", 1, 0}},
 454         {{"_SEG", 0, ACPI_RTYPE_INTEGER}},
 455         {{"_SHL", 1, ACPI_RTYPE_INTEGER}},
 456         {{"_SLI", 0, ACPI_RTYPE_BUFFER}},
 457         {{"_SPD", 1, ACPI_RTYPE_INTEGER}},
 458         {{"_SRS", 1, 0}},
 459         {{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
 460         {{"_SST", 1, 0}},
 461         {{"_STA", 0, ACPI_RTYPE_INTEGER}},
 462         {{"_STM", 3, 0}},
 463         {{"_STP", 2, ACPI_RTYPE_INTEGER}},
 464         {{"_STR", 0, ACPI_RTYPE_BUFFER}},
 465         {{"_STV", 2, ACPI_RTYPE_INTEGER}},
 466         {{"_SUN", 0, ACPI_RTYPE_INTEGER}},
 467         {{"_SWS", 0, ACPI_RTYPE_INTEGER}},
 468         {{"_TC1", 0, ACPI_RTYPE_INTEGER}},
 469         {{"_TC2", 0, ACPI_RTYPE_INTEGER}},
 470         {{"_TIP", 1, ACPI_RTYPE_INTEGER}},
 471         {{"_TIV", 1, ACPI_RTYPE_INTEGER}},
 472         {{"_TMP", 0, ACPI_RTYPE_INTEGER}},
 473         {{"_TPC", 0, ACPI_RTYPE_INTEGER}},
 474         {{"_TPT", 1, 0}},
 475         {{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2_ref/6_int */
 476                           {{{ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 6, 0}},
 477
 478         {{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int with count */
 479                           {{{ACPI_PTYPE2_COUNT,ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
 480
 481         {{"_TSP", 0, ACPI_RTYPE_INTEGER}},
 482         {{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int */
 483                           {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
 484
 485         {{"_TST", 0, ACPI_RTYPE_INTEGER}},
 486         {{"_TTS", 1, 0}},
 487         {{"_TZD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
 488                           {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
 489
 490         {{"_TZM", 0, ACPI_RTYPE_REFERENCE}},
 491         {{"_TZP", 0, ACPI_RTYPE_INTEGER}},
 492         {{"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
 493         {{"_UPC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
 494                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
 495
 496         {{"_UPD", 0, ACPI_RTYPE_INTEGER}},
 497         {{"_UPP", 0, ACPI_RTYPE_INTEGER}},
 498         {{"_VPO", 0, ACPI_RTYPE_INTEGER}},
 499
 500         /* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
 501
 502         {{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
 503                           {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
 504
 505         {{{0,0,0,0}, 0,0}} /* Table terminator */
 506 };
 507
 508 #if 0
 509         /* Not implemented */
 510
 511         {{"_WDG", 0, ACPI_RTYPE_BUFFER}},  /* MS Extension */
 512         {{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
 513
 514         /* This is an internally implemented control method, no need to check */
 515         {{"_OSI", 1, ACPI_RTYPE_INTEGER}},
 516
 517         /* TBD: */
 518
 519         _PRT - currently ignore reversed entries. attempt to fix here?
 520         think about possibly fixing package elements like _BIF, etc.
 521 #endif
 522
 523 #endif
 524 #endif