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acpredef.h revision 1.1.1.2
      1 /******************************************************************************
      2  *
      3  * Name: acpredef - Information table for ACPI predefined methods and objects
      4  *
      5  *****************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2011, 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 __ACPREDEF_H__
     45 #define __ACPREDEF_H__
     46 
     47 
     48 /******************************************************************************
     49  *
     50  * Return Package types
     51  *
     52  * 1) PTYPE1 packages do not contain sub-packages.
     53  *
     54  * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
     55  *      object type
     56  *      count
     57  *      object type
     58  *      count
     59  *
     60  * ACPI_PTYPE1_VAR: Variable-length 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-length 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 AcpiReturnPackageTypes
    100 {
    101     ACPI_PTYPE1_FIXED       = 1,
    102     ACPI_PTYPE1_VAR         = 2,
    103     ACPI_PTYPE1_OPTION      = 3,
    104     ACPI_PTYPE2             = 4,
    105     ACPI_PTYPE2_COUNT       = 5,
    106     ACPI_PTYPE2_PKG_COUNT   = 6,
    107     ACPI_PTYPE2_FIXED       = 7,
    108     ACPI_PTYPE2_MIN         = 8,
    109     ACPI_PTYPE2_REV_FIXED   = 9
    110 };
    111 
    112 
    113 #ifdef ACPI_CREATE_PREDEFINED_TABLE
    114 /*
    115  * Predefined method/object information table.
    116  *
    117  * These are the names that can actually be evaluated via AcpiEvaluateObject.
    118  * Not present in this table are the following:
    119  *
    120  *      1) Predefined/Reserved names that are never evaluated via
    121  *         AcpiEvaluateObject:
    122  *              _Lxx and _Exx GPE methods
    123  *              _Qxx EC methods
    124  *              _T_x compiler temporary variables
    125  *
    126  *      2) Predefined names that never actually exist within the AML code:
    127  *              Predefined resource descriptor field names
    128  *
    129  *      3) Predefined names that are implemented within ACPICA:
    130  *              _OSI
    131  *
    132  *      4) Some predefined names that are not documented within the ACPI spec.
    133  *              _WDG, _WED
    134  *
    135  * The main entries in the table each contain the following items:
    136  *
    137  * Name                 - The ACPI reserved name
    138  * ParamCount           - Number of arguments to the method
    139  * ExpectedBtypes       - Allowed type(s) for the return value.
    140  *                        0 means that no return value is expected.
    141  *
    142  * For methods that return packages, the next entry in the table contains
    143  * information about the expected structure of the package. This information
    144  * is saved here (rather than in a separate table) in order to minimize the
    145  * overall size of the stored data.
    146  *
    147  * Note: The additional braces are intended to promote portability.
    148  */
    149 static const ACPI_PREDEFINED_INFO     PredefinedNames[] =
    150 {
    151     {{"_AC0", 0, ACPI_RTYPE_INTEGER}},
    152     {{"_AC1", 0, ACPI_RTYPE_INTEGER}},
    153     {{"_AC2", 0, ACPI_RTYPE_INTEGER}},
    154     {{"_AC3", 0, ACPI_RTYPE_INTEGER}},
    155     {{"_AC4", 0, ACPI_RTYPE_INTEGER}},
    156     {{"_AC5", 0, ACPI_RTYPE_INTEGER}},
    157     {{"_AC6", 0, ACPI_RTYPE_INTEGER}},
    158     {{"_AC7", 0, ACPI_RTYPE_INTEGER}},
    159     {{"_AC8", 0, ACPI_RTYPE_INTEGER}},
    160     {{"_AC9", 0, ACPI_RTYPE_INTEGER}},
    161     {{"_ADR", 0, ACPI_RTYPE_INTEGER}},
    162     {{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    163                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    164 
    165     {{"_AL1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    166                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    167 
    168     {{"_AL2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    169                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    170 
    171     {{"_AL3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    172                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    173 
    174     {{"_AL4", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    175                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    176 
    177     {{"_AL5", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    178                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    179 
    180     {{"_AL6", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    181                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    182 
    183     {{"_AL7", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    184                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    185 
    186     {{"_AL8", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    187                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    188 
    189     {{"_AL9", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    190                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    191 
    192     {{"_ALC", 0, ACPI_RTYPE_INTEGER}},
    193     {{"_ALI", 0, ACPI_RTYPE_INTEGER}},
    194     {{"_ALP", 0, ACPI_RTYPE_INTEGER}},
    195     {{"_ALR", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2 (Ints) */
    196                     {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2,0}, 0,0}},
    197 
    198     {{"_ALT", 0, ACPI_RTYPE_INTEGER}},
    199     {{"_ART", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(rev), n Pkg (2 Ref/11 Int) */
    200                     {{{ACPI_PTYPE2_REV_FIXED,ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 11,0}},
    201 
    202     {{"_BBN", 0, ACPI_RTYPE_INTEGER}},
    203     {{"_BCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
    204                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
    205 
    206     {{"_BCM", 1, 0}},
    207     {{"_BCT", 1, ACPI_RTYPE_INTEGER}},
    208     {{"_BDN", 0, ACPI_RTYPE_INTEGER}},
    209     {{"_BFS", 1, 0}},
    210     {{"_BIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (9 Int),(4 Str) */
    211                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9, ACPI_RTYPE_STRING}, 4,0}},
    212 
    213     {{"_BIX", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int),(4 Str) */
    214                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,0}},
    215 
    216     {{"_BLT", 3, 0}},
    217     {{"_BMA", 1, ACPI_RTYPE_INTEGER}},
    218     {{"_BMC", 1, 0}},
    219     {{"_BMD", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (5 Int) */
    220                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
    221 
    222     {{"_BMS", 1, ACPI_RTYPE_INTEGER}},
    223     {{"_BQC", 0, ACPI_RTYPE_INTEGER}},
    224     {{"_BST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
    225                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
    226 
    227     {{"_BTM", 1, ACPI_RTYPE_INTEGER}},
    228     {{"_BTP", 1, 0}},
    229     {{"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* See PCI firmware spec 3.0 */
    230     {{"_CDM", 0, ACPI_RTYPE_INTEGER}},
    231     {{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
    232                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
    233 
    234     {{"_CRS", 0, ACPI_RTYPE_BUFFER}},
    235     {{"_CRT", 0, ACPI_RTYPE_INTEGER}},
    236     {{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */
    237                     {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
    238 
    239     {{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
    240                     {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
    241 
    242     {{"_DCK", 1, ACPI_RTYPE_INTEGER}},
    243     {{"_DCS", 0, ACPI_RTYPE_INTEGER}},
    244     {{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
    245     {{"_DDN", 0, ACPI_RTYPE_STRING}},
    246     {{"_DGS", 0, ACPI_RTYPE_INTEGER}},
    247     {{"_DIS", 0, 0}},
    248     {{"_DMA", 0, ACPI_RTYPE_BUFFER}},
    249     {{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
    250                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
    251 
    252     {{"_DOS", 1, 0}},
    253     {{"_DSM", 4, ACPI_RTYPE_ALL}},     /* Must return a type, but it can be of any type */
    254     {{"_DSS", 1, 0}},
    255     {{"_DSW", 3, 0}},
    256     {{"_DTI", 1, 0}},
    257     {{"_EC_", 0, ACPI_RTYPE_INTEGER}},
    258     {{"_EDL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs)*/
    259                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    260 
    261     {{"_EJ0", 1, 0}},
    262     {{"_EJ1", 1, 0}},
    263     {{"_EJ2", 1, 0}},
    264     {{"_EJ3", 1, 0}},
    265     {{"_EJ4", 1, 0}},
    266     {{"_EJD", 0, ACPI_RTYPE_STRING}},
    267     {{"_FDE", 0, ACPI_RTYPE_BUFFER}},
    268     {{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */
    269                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}},
    270 
    271     {{"_FDM", 1, 0}},
    272     {{"_FIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
    273                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
    274 
    275     {{"_FIX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */
    276                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
    277 
    278     {{"_FPS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(rev), n Pkg (5 Int) */
    279                     {{{ACPI_PTYPE2_REV_FIXED,ACPI_RTYPE_INTEGER, 5, 0}, 0,0}},
    280 
    281     {{"_FSL", 1, 0}},
    282     {{"_FST", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int) */
    283                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3,0}, 0,0}},
    284 
    285 
    286     {{"_GAI", 0, ACPI_RTYPE_INTEGER}},
    287     {{"_GHL", 0, ACPI_RTYPE_INTEGER}},
    288     {{"_GLK", 0, ACPI_RTYPE_INTEGER}},
    289     {{"_GPD", 0, ACPI_RTYPE_INTEGER}},
    290     {{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */
    291     {{"_GSB", 0, ACPI_RTYPE_INTEGER}},
    292     {{"_GTF", 0, ACPI_RTYPE_BUFFER}},
    293     {{"_GTM", 0, ACPI_RTYPE_BUFFER}},
    294     {{"_GTS", 1, 0}},
    295     {{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
    296     {{"_HOT", 0, ACPI_RTYPE_INTEGER}},
    297     {{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
    298                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
    299 
    300     /*
    301      * For _HPX, a single package is returned, containing a Variable-length number
    302      * of sub-packages. Each sub-package contains a PCI record setting.
    303      * There are several different type of record settings, of different
    304      * lengths, but all elements of all settings are Integers.
    305      */
    306     {{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */
    307                     {{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
    308 
    309     {{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
    310     {{"_INI", 0, 0}},
    311     {{"_IRC", 0, 0}},
    312     {{"_LCK", 1, 0}},
    313     {{"_LID", 0, ACPI_RTYPE_INTEGER}},
    314     {{"_MAT", 0, ACPI_RTYPE_BUFFER}},
    315     {{"_MBM", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (8 Int) */
    316                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8,0}, 0,0}},
    317 
    318     {{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (2 Str) */
    319                     {{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 2,0}, 0,0}},
    320 
    321     {{"_MSG", 1, 0}},
    322     {{"_MSM", 4, ACPI_RTYPE_INTEGER}},
    323     {{"_NTT", 0, ACPI_RTYPE_INTEGER}},
    324     {{"_OFF", 0, 0}},
    325     {{"_ON_", 0, 0}},
    326     {{"_OS_", 0, ACPI_RTYPE_STRING}},
    327     {{"_OSC", 4, ACPI_RTYPE_BUFFER}},
    328     {{"_OST", 3, 0}},
    329     {{"_PAI", 1, ACPI_RTYPE_INTEGER}},
    330     {{"_PCL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    331                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    332 
    333     {{"_PCT", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
    334                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
    335 
    336     {{"_PDC", 1, 0}},
    337     {{"_PDL", 0, ACPI_RTYPE_INTEGER}},
    338     {{"_PIC", 1, 0}},
    339     {{"_PIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int),(3 Str) */
    340                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, ACPI_RTYPE_STRING}, 3,0}},
    341 
    342     {{"_PLD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Bufs) */
    343                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0,0}, 0,0}},
    344 
    345     {{"_PMC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (11 Int),(3 Str) */
    346                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 11, ACPI_RTYPE_STRING}, 3,0}},
    347 
    348     {{"_PMD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    349                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    350 
    351     {{"_PMM", 0, ACPI_RTYPE_INTEGER}},
    352     {{"_PPC", 0, ACPI_RTYPE_INTEGER}},
    353     {{"_PPE", 0, ACPI_RTYPE_INTEGER}}, /* See dig64 spec */
    354     {{"_PR0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    355                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    356 
    357     {{"_PR1", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    358                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    359 
    360     {{"_PR2", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    361                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    362 
    363     {{"_PR3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    364                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    365 
    366     {{"_PRL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    367                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    368 
    369     {{"_PRS", 0, ACPI_RTYPE_BUFFER}},
    370 
    371     /*
    372      * For _PRT, many BIOSs reverse the 3rd and 4th Package elements (Source
    373      * and SourceIndex). This bug is so prevalent that there is code in the
    374      * ACPICA Resource Manager to detect this and switch them back. For now,
    375      * do not allow and issue a warning. To allow this and eliminate the
    376      * warning, add the ACPI_RTYPE_REFERENCE type to the 4th element (index 3)
    377      * in the statement below.
    378      */
    379     {{"_PRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (4): Int,Int,Int/Ref,Int */
    380                     {{{ACPI_PTYPE2_FIXED, 4, ACPI_RTYPE_INTEGER,ACPI_RTYPE_INTEGER},
    381                     ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE,
    382                     ACPI_RTYPE_INTEGER}},
    383 
    384     {{"_PRW", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each: Pkg/Int,Int,[Variable-length Refs] (Pkg is Ref/Int) */
    385                     {{{ACPI_PTYPE1_OPTION, 2, ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE,
    386                     ACPI_RTYPE_INTEGER}, ACPI_RTYPE_REFERENCE,0}},
    387 
    388     {{"_PS0", 0, 0}},
    389     {{"_PS1", 0, 0}},
    390     {{"_PS2", 0, 0}},
    391     {{"_PS3", 0, 0}},
    392     {{"_PSC", 0, ACPI_RTYPE_INTEGER}},
    393     {{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */
    394                     {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}},
    395 
    396     {{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    397                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    398 
    399     {{"_PSR", 0, ACPI_RTYPE_INTEGER}},
    400     {{"_PSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (6 Int) */
    401                     {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6,0}, 0,0}},
    402 
    403     {{"_PSV", 0, ACPI_RTYPE_INTEGER}},
    404     {{"_PSW", 1, 0}},
    405     {{"_PTC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Buf) */
    406                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2,0}, 0,0}},
    407 
    408     {{"_PTP", 2, ACPI_RTYPE_INTEGER}},
    409     {{"_PTS", 1, 0}},
    410     {{"_PUR", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (2 Int) */
    411                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}},
    412 
    413     {{"_PXM", 0, ACPI_RTYPE_INTEGER}},
    414     {{"_REG", 2, 0}},
    415     {{"_REV", 0, ACPI_RTYPE_INTEGER}},
    416     {{"_RMV", 0, ACPI_RTYPE_INTEGER}},
    417     {{"_ROM", 2, ACPI_RTYPE_BUFFER}},
    418     {{"_RTV", 0, ACPI_RTYPE_INTEGER}},
    419 
    420     /*
    421      * For _S0_ through _S5_, the ACPI spec defines a return Package
    422      * containing 1 Integer, but most DSDTs have it wrong - 2,3, or 4 integers.
    423      * Allow this by making the objects "Variable-length length", but all elements
    424      * must be Integers.
    425      */
    426     {{"_S0_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    427                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    428 
    429     {{"_S1_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    430                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    431 
    432     {{"_S2_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    433                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    434 
    435     {{"_S3_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    436                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    437 
    438     {{"_S4_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    439                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    440 
    441     {{"_S5_", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (1 Int) */
    442                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1,0}, 0,0}},
    443 
    444     {{"_S1D", 0, ACPI_RTYPE_INTEGER}},
    445     {{"_S2D", 0, ACPI_RTYPE_INTEGER}},
    446     {{"_S3D", 0, ACPI_RTYPE_INTEGER}},
    447     {{"_S4D", 0, ACPI_RTYPE_INTEGER}},
    448     {{"_S0W", 0, ACPI_RTYPE_INTEGER}},
    449     {{"_S1W", 0, ACPI_RTYPE_INTEGER}},
    450     {{"_S2W", 0, ACPI_RTYPE_INTEGER}},
    451     {{"_S3W", 0, ACPI_RTYPE_INTEGER}},
    452     {{"_S4W", 0, ACPI_RTYPE_INTEGER}},
    453     {{"_SBS", 0, ACPI_RTYPE_INTEGER}},
    454     {{"_SCP", 0x13, 0}},               /* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
    455                                        /* Note: the 3-arg definition may be removed for ACPI 4.0 */
    456     {{"_SDD", 1, 0}},
    457     {{"_SEG", 0, ACPI_RTYPE_INTEGER}},
    458     {{"_SHL", 1, ACPI_RTYPE_INTEGER}},
    459     {{"_SLI", 0, ACPI_RTYPE_BUFFER}},
    460     {{"_SPD", 1, ACPI_RTYPE_INTEGER}},
    461     {{"_SRS", 1, 0}},
    462     {{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */
    463     {{"_SST", 1, 0}},
    464     {{"_STA", 0, ACPI_RTYPE_INTEGER}},
    465     {{"_STM", 3, 0}},
    466     {{"_STP", 2, ACPI_RTYPE_INTEGER}},
    467     {{"_STR", 0, ACPI_RTYPE_BUFFER}},
    468     {{"_STV", 2, ACPI_RTYPE_INTEGER}},
    469     {{"_SUN", 0, ACPI_RTYPE_INTEGER}},
    470     {{"_SWS", 0, ACPI_RTYPE_INTEGER}},
    471     {{"_TC1", 0, ACPI_RTYPE_INTEGER}},
    472     {{"_TC2", 0, ACPI_RTYPE_INTEGER}},
    473     {{"_TIP", 1, ACPI_RTYPE_INTEGER}},
    474     {{"_TIV", 1, ACPI_RTYPE_INTEGER}},
    475     {{"_TMP", 0, ACPI_RTYPE_INTEGER}},
    476     {{"_TPC", 0, ACPI_RTYPE_INTEGER}},
    477     {{"_TPT", 1, 0}},
    478     {{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2Ref/6Int */
    479                     {{{ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 6, 0}},
    480 
    481     {{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5Int with count */
    482                     {{{ACPI_PTYPE2_COUNT,ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
    483 
    484     {{"_TSP", 0, ACPI_RTYPE_INTEGER}},
    485     {{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5Int */
    486                     {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5,0}, 0,0}},
    487 
    488     {{"_TST", 0, ACPI_RTYPE_INTEGER}},
    489     {{"_TTS", 1, 0}},
    490     {{"_TZD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */
    491                     {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}},
    492 
    493     {{"_TZM", 0, ACPI_RTYPE_REFERENCE}},
    494     {{"_TZP", 0, ACPI_RTYPE_INTEGER}},
    495     {{"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
    496     {{"_UPC", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */
    497                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4,0}, 0,0}},
    498 
    499     {{"_UPD", 0, ACPI_RTYPE_INTEGER}},
    500     {{"_UPP", 0, ACPI_RTYPE_INTEGER}},
    501     {{"_VPO", 0, ACPI_RTYPE_INTEGER}},
    502 
    503     /* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
    504 
    505     {{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
    506                     {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
    507 
    508     /* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
    509 
    510     {{"_WDG", 0, ACPI_RTYPE_BUFFER}},
    511     {{"_WED", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}},
    512 
    513     {{{0,0,0,0}, 0,0}} /* Table terminator */
    514 };
    515 
    516 #if 0
    517 
    518     /* This is an internally implemented control method, no need to check */
    519     {{"_OSI", 1, ACPI_RTYPE_INTEGER}},
    520 
    521     /* TBD: */
    522 
    523     _PRT - currently ignore reversed entries. Attempt to fix here?
    524     Think about possibly fixing package elements like _BIF, etc.
    525 #endif
    526 #endif
    527 #endif
    528