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rsmisc.c revision 1.1.1.4.2.2
      1          1.1    jruoho /*******************************************************************************
      2          1.1    jruoho  *
      3          1.1    jruoho  * Module Name: rsmisc - Miscellaneous resource descriptors
      4          1.1    jruoho  *
      5          1.1    jruoho  ******************************************************************************/
      6          1.1    jruoho 
      7      1.1.1.2    jruoho /*
      8  1.1.1.4.2.1     skrll  * Copyright (C) 2000 - 2015, Intel Corp.
      9          1.1    jruoho  * All rights reserved.
     10          1.1    jruoho  *
     11      1.1.1.2    jruoho  * Redistribution and use in source and binary forms, with or without
     12      1.1.1.2    jruoho  * modification, are permitted provided that the following conditions
     13      1.1.1.2    jruoho  * are met:
     14      1.1.1.2    jruoho  * 1. Redistributions of source code must retain the above copyright
     15      1.1.1.2    jruoho  *    notice, this list of conditions, and the following disclaimer,
     16      1.1.1.2    jruoho  *    without modification.
     17      1.1.1.2    jruoho  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18      1.1.1.2    jruoho  *    substantially similar to the "NO WARRANTY" disclaimer below
     19      1.1.1.2    jruoho  *    ("Disclaimer") and any redistribution must be conditioned upon
     20      1.1.1.2    jruoho  *    including a substantially similar Disclaimer requirement for further
     21      1.1.1.2    jruoho  *    binary redistribution.
     22      1.1.1.2    jruoho  * 3. Neither the names of the above-listed copyright holders nor the names
     23      1.1.1.2    jruoho  *    of any contributors may be used to endorse or promote products derived
     24      1.1.1.2    jruoho  *    from this software without specific prior written permission.
     25      1.1.1.2    jruoho  *
     26      1.1.1.2    jruoho  * Alternatively, this software may be distributed under the terms of the
     27      1.1.1.2    jruoho  * GNU General Public License ("GPL") version 2 as published by the Free
     28      1.1.1.2    jruoho  * Software Foundation.
     29      1.1.1.2    jruoho  *
     30      1.1.1.2    jruoho  * NO WARRANTY
     31      1.1.1.2    jruoho  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32      1.1.1.2    jruoho  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33      1.1.1.2    jruoho  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     34      1.1.1.2    jruoho  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35      1.1.1.2    jruoho  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36      1.1.1.2    jruoho  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37      1.1.1.2    jruoho  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38      1.1.1.2    jruoho  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39      1.1.1.2    jruoho  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40      1.1.1.2    jruoho  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41      1.1.1.2    jruoho  * POSSIBILITY OF SUCH DAMAGES.
     42      1.1.1.2    jruoho  */
     43          1.1    jruoho 
     44          1.1    jruoho #include "acpi.h"
     45          1.1    jruoho #include "accommon.h"
     46          1.1    jruoho #include "acresrc.h"
     47          1.1    jruoho 
     48          1.1    jruoho #define _COMPONENT          ACPI_RESOURCES
     49          1.1    jruoho         ACPI_MODULE_NAME    ("rsmisc")
     50          1.1    jruoho 
     51          1.1    jruoho 
     52          1.1    jruoho #define INIT_RESOURCE_TYPE(i)       i->ResourceOffset
     53          1.1    jruoho #define INIT_RESOURCE_LENGTH(i)     i->AmlOffset
     54          1.1    jruoho #define INIT_TABLE_LENGTH(i)        i->Value
     55          1.1    jruoho 
     56          1.1    jruoho #define COMPARE_OPCODE(i)           i->ResourceOffset
     57          1.1    jruoho #define COMPARE_TARGET(i)           i->AmlOffset
     58          1.1    jruoho #define COMPARE_VALUE(i)            i->Value
     59          1.1    jruoho 
     60          1.1    jruoho 
     61          1.1    jruoho /*******************************************************************************
     62          1.1    jruoho  *
     63          1.1    jruoho  * FUNCTION:    AcpiRsConvertAmlToResource
     64          1.1    jruoho  *
     65          1.1    jruoho  * PARAMETERS:  Resource            - Pointer to the resource descriptor
     66          1.1    jruoho  *              Aml                 - Where the AML descriptor is returned
     67          1.1    jruoho  *              Info                - Pointer to appropriate conversion table
     68          1.1    jruoho  *
     69          1.1    jruoho  * RETURN:      Status
     70          1.1    jruoho  *
     71          1.1    jruoho  * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
     72          1.1    jruoho  *              internal resource descriptor
     73          1.1    jruoho  *
     74          1.1    jruoho  ******************************************************************************/
     75          1.1    jruoho 
     76          1.1    jruoho ACPI_STATUS
     77          1.1    jruoho AcpiRsConvertAmlToResource (
     78          1.1    jruoho     ACPI_RESOURCE           *Resource,
     79          1.1    jruoho     AML_RESOURCE            *Aml,
     80          1.1    jruoho     ACPI_RSCONVERT_INFO     *Info)
     81          1.1    jruoho {
     82          1.1    jruoho     ACPI_RS_LENGTH          AmlResourceLength;
     83          1.1    jruoho     void                    *Source;
     84          1.1    jruoho     void                    *Destination;
     85          1.1    jruoho     char                    *Target;
     86          1.1    jruoho     UINT8                   Count;
     87          1.1    jruoho     UINT8                   FlagsMode = FALSE;
     88          1.1    jruoho     UINT16                  ItemCount = 0;
     89          1.1    jruoho     UINT16                  Temp16 = 0;
     90          1.1    jruoho 
     91          1.1    jruoho 
     92          1.1    jruoho     ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
     93          1.1    jruoho 
     94          1.1    jruoho 
     95      1.1.1.3  christos     if (!Info)
     96      1.1.1.3  christos     {
     97      1.1.1.3  christos         return_ACPI_STATUS (AE_BAD_PARAMETER);
     98      1.1.1.3  christos     }
     99      1.1.1.3  christos 
    100          1.1    jruoho     if (((ACPI_SIZE) Resource) & 0x3)
    101          1.1    jruoho     {
    102          1.1    jruoho         /* Each internal resource struct is expected to be 32-bit aligned */
    103          1.1    jruoho 
    104          1.1    jruoho         ACPI_WARNING ((AE_INFO,
    105          1.1    jruoho             "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
    106          1.1    jruoho             Resource, Resource->Type, Resource->Length));
    107          1.1    jruoho     }
    108          1.1    jruoho 
    109          1.1    jruoho     /* Extract the resource Length field (does not include header length) */
    110          1.1    jruoho 
    111          1.1    jruoho     AmlResourceLength = AcpiUtGetResourceLength (Aml);
    112          1.1    jruoho 
    113          1.1    jruoho     /*
    114          1.1    jruoho      * First table entry must be ACPI_RSC_INITxxx and must contain the
    115          1.1    jruoho      * table length (# of table entries)
    116          1.1    jruoho      */
    117          1.1    jruoho     Count = INIT_TABLE_LENGTH (Info);
    118          1.1    jruoho     while (Count)
    119          1.1    jruoho     {
    120          1.1    jruoho         /*
    121          1.1    jruoho          * Source is the external AML byte stream buffer,
    122          1.1    jruoho          * destination is the internal resource descriptor
    123          1.1    jruoho          */
    124          1.1    jruoho         Source      = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
    125          1.1    jruoho         Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
    126          1.1    jruoho 
    127          1.1    jruoho         switch (Info->Opcode)
    128          1.1    jruoho         {
    129          1.1    jruoho         case ACPI_RSC_INITGET:
    130          1.1    jruoho             /*
    131          1.1    jruoho              * Get the resource type and the initial (minimum) length
    132          1.1    jruoho              */
    133  1.1.1.4.2.2     skrll             memset (Resource, 0, INIT_RESOURCE_LENGTH (Info));
    134          1.1    jruoho             Resource->Type = INIT_RESOURCE_TYPE (Info);
    135          1.1    jruoho             Resource->Length = INIT_RESOURCE_LENGTH (Info);
    136          1.1    jruoho             break;
    137          1.1    jruoho 
    138          1.1    jruoho         case ACPI_RSC_INITSET:
    139          1.1    jruoho             break;
    140          1.1    jruoho 
    141          1.1    jruoho         case ACPI_RSC_FLAGINIT:
    142          1.1    jruoho 
    143          1.1    jruoho             FlagsMode = TRUE;
    144          1.1    jruoho             break;
    145          1.1    jruoho 
    146          1.1    jruoho         case ACPI_RSC_1BITFLAG:
    147          1.1    jruoho             /*
    148          1.1    jruoho              * Mask and shift the flag bit
    149          1.1    jruoho              */
    150      1.1.1.3  christos             ACPI_SET8 (Destination,
    151      1.1.1.3  christos                 ((ACPI_GET8 (Source) >> Info->Value) & 0x01));
    152          1.1    jruoho             break;
    153          1.1    jruoho 
    154          1.1    jruoho         case ACPI_RSC_2BITFLAG:
    155          1.1    jruoho             /*
    156          1.1    jruoho              * Mask and shift the flag bits
    157          1.1    jruoho              */
    158      1.1.1.3  christos             ACPI_SET8 (Destination,
    159      1.1.1.3  christos                 ((ACPI_GET8 (Source) >> Info->Value) & 0x03));
    160          1.1    jruoho             break;
    161          1.1    jruoho 
    162      1.1.1.3  christos         case ACPI_RSC_3BITFLAG:
    163      1.1.1.3  christos             /*
    164      1.1.1.3  christos              * Mask and shift the flag bits
    165      1.1.1.3  christos              */
    166      1.1.1.3  christos             ACPI_SET8 (Destination,
    167      1.1.1.3  christos                 ((ACPI_GET8 (Source) >> Info->Value) & 0x07));
    168      1.1.1.3  christos             break;
    169          1.1    jruoho 
    170          1.1    jruoho         case ACPI_RSC_COUNT:
    171          1.1    jruoho 
    172          1.1    jruoho             ItemCount = ACPI_GET8 (Source);
    173      1.1.1.3  christos             ACPI_SET8 (Destination, ItemCount);
    174          1.1    jruoho 
    175          1.1    jruoho             Resource->Length = Resource->Length +
    176          1.1    jruoho                 (Info->Value * (ItemCount - 1));
    177          1.1    jruoho             break;
    178          1.1    jruoho 
    179          1.1    jruoho         case ACPI_RSC_COUNT16:
    180          1.1    jruoho 
    181          1.1    jruoho             ItemCount = AmlResourceLength;
    182      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    183          1.1    jruoho 
    184          1.1    jruoho             Resource->Length = Resource->Length +
    185          1.1    jruoho                 (Info->Value * (ItemCount - 1));
    186          1.1    jruoho             break;
    187          1.1    jruoho 
    188      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_PIN:
    189      1.1.1.3  christos 
    190      1.1.1.3  christos             Target = ACPI_ADD_PTR (void, Aml, Info->Value);
    191      1.1.1.3  christos             ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
    192      1.1.1.3  christos 
    193      1.1.1.3  christos             Resource->Length = Resource->Length + ItemCount;
    194      1.1.1.3  christos             ItemCount = ItemCount / 2;
    195      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    196      1.1.1.3  christos             break;
    197      1.1.1.3  christos 
    198      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_VEN:
    199      1.1.1.3  christos 
    200      1.1.1.3  christos             ItemCount = ACPI_GET8 (Source);
    201      1.1.1.3  christos             ACPI_SET8 (Destination, ItemCount);
    202      1.1.1.3  christos 
    203      1.1.1.3  christos             Resource->Length = Resource->Length +
    204      1.1.1.3  christos                 (Info->Value * ItemCount);
    205      1.1.1.3  christos             break;
    206      1.1.1.3  christos 
    207      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_RES:
    208      1.1.1.3  christos             /*
    209      1.1.1.3  christos              * Vendor data is optional (length/offset may both be zero)
    210      1.1.1.3  christos              * Examine vendor data length field first
    211      1.1.1.3  christos              */
    212      1.1.1.3  christos             Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
    213      1.1.1.3  christos             if (ACPI_GET16 (Target))
    214      1.1.1.3  christos             {
    215      1.1.1.3  christos                 /* Use vendor offset to get resource source length */
    216      1.1.1.3  christos 
    217      1.1.1.3  christos                 Target = ACPI_ADD_PTR (void, Aml, Info->Value);
    218      1.1.1.3  christos                 ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
    219      1.1.1.3  christos             }
    220      1.1.1.3  christos             else
    221      1.1.1.3  christos             {
    222      1.1.1.3  christos                 /* No vendor data to worry about */
    223      1.1.1.3  christos 
    224      1.1.1.3  christos                 ItemCount = Aml->LargeHeader.ResourceLength +
    225      1.1.1.3  christos                     sizeof (AML_RESOURCE_LARGE_HEADER) -
    226      1.1.1.3  christos                     ACPI_GET16 (Source);
    227      1.1.1.3  christos             }
    228      1.1.1.3  christos 
    229      1.1.1.3  christos             Resource->Length = Resource->Length + ItemCount;
    230      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    231      1.1.1.3  christos             break;
    232      1.1.1.3  christos 
    233      1.1.1.3  christos         case ACPI_RSC_COUNT_SERIAL_VEN:
    234      1.1.1.3  christos 
    235      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source) - Info->Value;
    236      1.1.1.3  christos 
    237      1.1.1.3  christos             Resource->Length = Resource->Length + ItemCount;
    238      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    239      1.1.1.3  christos             break;
    240      1.1.1.3  christos 
    241      1.1.1.3  christos         case ACPI_RSC_COUNT_SERIAL_RES:
    242      1.1.1.3  christos 
    243      1.1.1.3  christos             ItemCount = (AmlResourceLength +
    244      1.1.1.3  christos                 sizeof (AML_RESOURCE_LARGE_HEADER)) -
    245      1.1.1.3  christos                 ACPI_GET16 (Source) - Info->Value;
    246      1.1.1.3  christos 
    247      1.1.1.3  christos             Resource->Length = Resource->Length + ItemCount;
    248      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    249      1.1.1.3  christos             break;
    250          1.1    jruoho 
    251          1.1    jruoho         case ACPI_RSC_LENGTH:
    252          1.1    jruoho 
    253          1.1    jruoho             Resource->Length = Resource->Length + Info->Value;
    254          1.1    jruoho             break;
    255          1.1    jruoho 
    256          1.1    jruoho         case ACPI_RSC_MOVE8:
    257          1.1    jruoho         case ACPI_RSC_MOVE16:
    258          1.1    jruoho         case ACPI_RSC_MOVE32:
    259          1.1    jruoho         case ACPI_RSC_MOVE64:
    260          1.1    jruoho             /*
    261          1.1    jruoho              * Raw data move. Use the Info value field unless ItemCount has
    262          1.1    jruoho              * been previously initialized via a COUNT opcode
    263          1.1    jruoho              */
    264          1.1    jruoho             if (Info->Value)
    265          1.1    jruoho             {
    266          1.1    jruoho                 ItemCount = Info->Value;
    267          1.1    jruoho             }
    268          1.1    jruoho             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    269          1.1    jruoho             break;
    270          1.1    jruoho 
    271      1.1.1.3  christos         case ACPI_RSC_MOVE_GPIO_PIN:
    272      1.1.1.3  christos 
    273      1.1.1.3  christos             /* Generate and set the PIN data pointer */
    274      1.1.1.3  christos 
    275      1.1.1.3  christos             Target = (char *) ACPI_ADD_PTR (void, Resource,
    276      1.1.1.3  christos                   (Resource->Length - ItemCount * 2));
    277      1.1.1.3  christos             *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
    278      1.1.1.3  christos 
    279      1.1.1.3  christos             /* Copy the PIN data */
    280      1.1.1.3  christos 
    281      1.1.1.3  christos             Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
    282      1.1.1.3  christos             AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
    283      1.1.1.3  christos             break;
    284      1.1.1.3  christos 
    285      1.1.1.3  christos         case ACPI_RSC_MOVE_GPIO_RES:
    286      1.1.1.3  christos 
    287      1.1.1.3  christos             /* Generate and set the ResourceSource string pointer */
    288      1.1.1.3  christos 
    289      1.1.1.3  christos             Target = (char *) ACPI_ADD_PTR (void, Resource,
    290      1.1.1.3  christos                   (Resource->Length - ItemCount));
    291      1.1.1.3  christos             *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
    292      1.1.1.3  christos 
    293      1.1.1.3  christos             /* Copy the ResourceSource string */
    294      1.1.1.3  christos 
    295      1.1.1.3  christos             Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
    296      1.1.1.3  christos             AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
    297      1.1.1.3  christos             break;
    298      1.1.1.3  christos 
    299      1.1.1.3  christos         case ACPI_RSC_MOVE_SERIAL_VEN:
    300      1.1.1.3  christos 
    301      1.1.1.3  christos             /* Generate and set the Vendor Data pointer */
    302      1.1.1.3  christos 
    303      1.1.1.3  christos             Target = (char *) ACPI_ADD_PTR (void, Resource,
    304      1.1.1.3  christos                   (Resource->Length - ItemCount));
    305      1.1.1.3  christos             *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
    306      1.1.1.3  christos 
    307      1.1.1.3  christos             /* Copy the Vendor Data */
    308      1.1.1.3  christos 
    309      1.1.1.3  christos             Source = ACPI_ADD_PTR (void, Aml, Info->Value);
    310      1.1.1.3  christos             AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
    311      1.1.1.3  christos             break;
    312      1.1.1.3  christos 
    313      1.1.1.3  christos         case ACPI_RSC_MOVE_SERIAL_RES:
    314      1.1.1.3  christos 
    315      1.1.1.3  christos             /* Generate and set the ResourceSource string pointer */
    316      1.1.1.3  christos 
    317      1.1.1.3  christos             Target = (char *) ACPI_ADD_PTR (void, Resource,
    318      1.1.1.3  christos                   (Resource->Length - ItemCount));
    319      1.1.1.3  christos             *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
    320      1.1.1.3  christos 
    321      1.1.1.3  christos             /* Copy the ResourceSource string */
    322      1.1.1.3  christos 
    323      1.1.1.3  christos             Source = ACPI_ADD_PTR (void, Aml, (ACPI_GET16 (Source) + Info->Value));
    324      1.1.1.3  christos             AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
    325      1.1.1.3  christos             break;
    326          1.1    jruoho 
    327          1.1    jruoho         case ACPI_RSC_SET8:
    328          1.1    jruoho 
    329  1.1.1.4.2.2     skrll             memset (Destination, Info->AmlOffset, Info->Value);
    330          1.1    jruoho             break;
    331          1.1    jruoho 
    332          1.1    jruoho         case ACPI_RSC_DATA8:
    333          1.1    jruoho 
    334          1.1    jruoho             Target = ACPI_ADD_PTR (char, Resource, Info->Value);
    335  1.1.1.4.2.2     skrll             memcpy (Destination, Source,  ACPI_GET16 (Target));
    336          1.1    jruoho             break;
    337          1.1    jruoho 
    338          1.1    jruoho         case ACPI_RSC_ADDRESS:
    339          1.1    jruoho             /*
    340          1.1    jruoho              * Common handler for address descriptor flags
    341          1.1    jruoho              */
    342          1.1    jruoho             if (!AcpiRsGetAddressCommon (Resource, Aml))
    343          1.1    jruoho             {
    344          1.1    jruoho                 return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
    345          1.1    jruoho             }
    346          1.1    jruoho             break;
    347          1.1    jruoho 
    348          1.1    jruoho         case ACPI_RSC_SOURCE:
    349          1.1    jruoho             /*
    350          1.1    jruoho              * Optional ResourceSource (Index and String)
    351          1.1    jruoho              */
    352          1.1    jruoho             Resource->Length +=
    353          1.1    jruoho                 AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
    354          1.1    jruoho                     Destination, Aml, NULL);
    355          1.1    jruoho             break;
    356          1.1    jruoho 
    357          1.1    jruoho         case ACPI_RSC_SOURCEX:
    358          1.1    jruoho             /*
    359          1.1    jruoho              * Optional ResourceSource (Index and String). This is the more
    360          1.1    jruoho              * complicated case used by the Interrupt() macro
    361          1.1    jruoho              */
    362      1.1.1.3  christos             Target = ACPI_ADD_PTR (char, Resource,
    363      1.1.1.3  christos                 Info->AmlOffset + (ItemCount * 4));
    364          1.1    jruoho 
    365          1.1    jruoho             Resource->Length +=
    366      1.1.1.3  christos                 AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
    367      1.1.1.3  christos                     (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
    368          1.1    jruoho                     Destination, Aml, Target);
    369          1.1    jruoho             break;
    370          1.1    jruoho 
    371          1.1    jruoho         case ACPI_RSC_BITMASK:
    372          1.1    jruoho             /*
    373          1.1    jruoho              * 8-bit encoded bitmask (DMA macro)
    374          1.1    jruoho              */
    375          1.1    jruoho             ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
    376          1.1    jruoho             if (ItemCount)
    377          1.1    jruoho             {
    378          1.1    jruoho                 Resource->Length += (ItemCount - 1);
    379          1.1    jruoho             }
    380          1.1    jruoho 
    381          1.1    jruoho             Target = ACPI_ADD_PTR (char, Resource, Info->Value);
    382      1.1.1.3  christos             ACPI_SET8 (Target, ItemCount);
    383          1.1    jruoho             break;
    384          1.1    jruoho 
    385          1.1    jruoho         case ACPI_RSC_BITMASK16:
    386          1.1    jruoho             /*
    387          1.1    jruoho              * 16-bit encoded bitmask (IRQ macro)
    388          1.1    jruoho              */
    389          1.1    jruoho             ACPI_MOVE_16_TO_16 (&Temp16, Source);
    390          1.1    jruoho 
    391          1.1    jruoho             ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
    392          1.1    jruoho             if (ItemCount)
    393          1.1    jruoho             {
    394          1.1    jruoho                 Resource->Length += (ItemCount - 1);
    395          1.1    jruoho             }
    396          1.1    jruoho 
    397          1.1    jruoho             Target = ACPI_ADD_PTR (char, Resource, Info->Value);
    398      1.1.1.3  christos             ACPI_SET8 (Target, ItemCount);
    399          1.1    jruoho             break;
    400          1.1    jruoho 
    401          1.1    jruoho         case ACPI_RSC_EXIT_NE:
    402          1.1    jruoho             /*
    403          1.1    jruoho              * Control - Exit conversion if not equal
    404          1.1    jruoho              */
    405          1.1    jruoho             switch (Info->ResourceOffset)
    406          1.1    jruoho             {
    407          1.1    jruoho             case ACPI_RSC_COMPARE_AML_LENGTH:
    408      1.1.1.3  christos 
    409          1.1    jruoho                 if (AmlResourceLength != Info->Value)
    410          1.1    jruoho                 {
    411          1.1    jruoho                     goto Exit;
    412          1.1    jruoho                 }
    413          1.1    jruoho                 break;
    414          1.1    jruoho 
    415          1.1    jruoho             case ACPI_RSC_COMPARE_VALUE:
    416      1.1.1.3  christos 
    417          1.1    jruoho                 if (ACPI_GET8 (Source) != Info->Value)
    418          1.1    jruoho                 {
    419          1.1    jruoho                     goto Exit;
    420          1.1    jruoho                 }
    421          1.1    jruoho                 break;
    422          1.1    jruoho 
    423          1.1    jruoho             default:
    424          1.1    jruoho 
    425          1.1    jruoho                 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
    426          1.1    jruoho                 return_ACPI_STATUS (AE_BAD_PARAMETER);
    427          1.1    jruoho             }
    428          1.1    jruoho             break;
    429          1.1    jruoho 
    430          1.1    jruoho         default:
    431          1.1    jruoho 
    432          1.1    jruoho             ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
    433          1.1    jruoho             return_ACPI_STATUS (AE_BAD_PARAMETER);
    434          1.1    jruoho         }
    435          1.1    jruoho 
    436          1.1    jruoho         Count--;
    437          1.1    jruoho         Info++;
    438          1.1    jruoho     }
    439          1.1    jruoho 
    440          1.1    jruoho Exit:
    441          1.1    jruoho     if (!FlagsMode)
    442          1.1    jruoho     {
    443          1.1    jruoho         /* Round the resource struct length up to the next boundary (32 or 64) */
    444          1.1    jruoho 
    445          1.1    jruoho         Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
    446          1.1    jruoho     }
    447          1.1    jruoho     return_ACPI_STATUS (AE_OK);
    448          1.1    jruoho }
    449          1.1    jruoho 
    450          1.1    jruoho 
    451          1.1    jruoho /*******************************************************************************
    452          1.1    jruoho  *
    453          1.1    jruoho  * FUNCTION:    AcpiRsConvertResourceToAml
    454          1.1    jruoho  *
    455          1.1    jruoho  * PARAMETERS:  Resource            - Pointer to the resource descriptor
    456          1.1    jruoho  *              Aml                 - Where the AML descriptor is returned
    457          1.1    jruoho  *              Info                - Pointer to appropriate conversion table
    458          1.1    jruoho  *
    459          1.1    jruoho  * RETURN:      Status
    460          1.1    jruoho  *
    461          1.1    jruoho  * DESCRIPTION: Convert an internal resource descriptor to the corresponding
    462          1.1    jruoho  *              external AML resource descriptor.
    463          1.1    jruoho  *
    464          1.1    jruoho  ******************************************************************************/
    465          1.1    jruoho 
    466          1.1    jruoho ACPI_STATUS
    467          1.1    jruoho AcpiRsConvertResourceToAml (
    468          1.1    jruoho     ACPI_RESOURCE           *Resource,
    469          1.1    jruoho     AML_RESOURCE            *Aml,
    470          1.1    jruoho     ACPI_RSCONVERT_INFO     *Info)
    471          1.1    jruoho {
    472          1.1    jruoho     void                    *Source = NULL;
    473          1.1    jruoho     void                    *Destination;
    474      1.1.1.3  christos     char                    *Target;
    475          1.1    jruoho     ACPI_RSDESC_SIZE        AmlLength = 0;
    476          1.1    jruoho     UINT8                   Count;
    477          1.1    jruoho     UINT16                  Temp16 = 0;
    478          1.1    jruoho     UINT16                  ItemCount = 0;
    479          1.1    jruoho 
    480          1.1    jruoho 
    481          1.1    jruoho     ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
    482          1.1    jruoho 
    483          1.1    jruoho 
    484      1.1.1.3  christos     if (!Info)
    485      1.1.1.3  christos     {
    486      1.1.1.3  christos         return_ACPI_STATUS (AE_BAD_PARAMETER);
    487      1.1.1.3  christos     }
    488      1.1.1.3  christos 
    489          1.1    jruoho     /*
    490          1.1    jruoho      * First table entry must be ACPI_RSC_INITxxx and must contain the
    491          1.1    jruoho      * table length (# of table entries)
    492          1.1    jruoho      */
    493          1.1    jruoho     Count = INIT_TABLE_LENGTH (Info);
    494          1.1    jruoho 
    495          1.1    jruoho     while (Count)
    496          1.1    jruoho     {
    497          1.1    jruoho         /*
    498          1.1    jruoho          * Source is the internal resource descriptor,
    499          1.1    jruoho          * destination is the external AML byte stream buffer
    500          1.1    jruoho          */
    501          1.1    jruoho         Source      = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
    502          1.1    jruoho         Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
    503          1.1    jruoho 
    504          1.1    jruoho         switch (Info->Opcode)
    505          1.1    jruoho         {
    506          1.1    jruoho         case ACPI_RSC_INITSET:
    507          1.1    jruoho 
    508  1.1.1.4.2.2     skrll             memset (Aml, 0, INIT_RESOURCE_LENGTH (Info));
    509          1.1    jruoho             AmlLength = INIT_RESOURCE_LENGTH (Info);
    510          1.1    jruoho             AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
    511          1.1    jruoho             break;
    512          1.1    jruoho 
    513          1.1    jruoho         case ACPI_RSC_INITGET:
    514          1.1    jruoho             break;
    515          1.1    jruoho 
    516          1.1    jruoho         case ACPI_RSC_FLAGINIT:
    517          1.1    jruoho             /*
    518          1.1    jruoho              * Clear the flag byte
    519          1.1    jruoho              */
    520      1.1.1.3  christos             ACPI_SET8 (Destination, 0);
    521          1.1    jruoho             break;
    522          1.1    jruoho 
    523          1.1    jruoho         case ACPI_RSC_1BITFLAG:
    524          1.1    jruoho             /*
    525          1.1    jruoho              * Mask and shift the flag bit
    526          1.1    jruoho              */
    527      1.1.1.3  christos             ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
    528      1.1.1.3  christos                 ((ACPI_GET8 (Source) & 0x01) << Info->Value));
    529          1.1    jruoho             break;
    530          1.1    jruoho 
    531          1.1    jruoho         case ACPI_RSC_2BITFLAG:
    532          1.1    jruoho             /*
    533          1.1    jruoho              * Mask and shift the flag bits
    534          1.1    jruoho              */
    535      1.1.1.3  christos             ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
    536      1.1.1.3  christos                 ((ACPI_GET8 (Source) & 0x03) << Info->Value));
    537          1.1    jruoho             break;
    538          1.1    jruoho 
    539      1.1.1.3  christos         case ACPI_RSC_3BITFLAG:
    540      1.1.1.3  christos             /*
    541      1.1.1.3  christos              * Mask and shift the flag bits
    542      1.1.1.3  christos              */
    543      1.1.1.3  christos             ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
    544      1.1.1.3  christos                 ((ACPI_GET8 (Source) & 0x07) << Info->Value));
    545      1.1.1.3  christos             break;
    546          1.1    jruoho 
    547          1.1    jruoho         case ACPI_RSC_COUNT:
    548          1.1    jruoho 
    549          1.1    jruoho             ItemCount = ACPI_GET8 (Source);
    550      1.1.1.3  christos             ACPI_SET8 (Destination, ItemCount);
    551          1.1    jruoho 
    552          1.1    jruoho             AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1)));
    553          1.1    jruoho             break;
    554          1.1    jruoho 
    555          1.1    jruoho         case ACPI_RSC_COUNT16:
    556          1.1    jruoho 
    557          1.1    jruoho             ItemCount = ACPI_GET16 (Source);
    558          1.1    jruoho             AmlLength = (UINT16) (AmlLength + ItemCount);
    559          1.1    jruoho             AcpiRsSetResourceLength (AmlLength, Aml);
    560          1.1    jruoho             break;
    561          1.1    jruoho 
    562      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_PIN:
    563      1.1.1.3  christos 
    564      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source);
    565      1.1.1.3  christos             ACPI_SET16 (Destination, AmlLength);
    566      1.1.1.3  christos 
    567      1.1.1.3  christos             AmlLength = (UINT16) (AmlLength + ItemCount * 2);
    568      1.1.1.3  christos             Target = ACPI_ADD_PTR (void, Aml, Info->Value);
    569      1.1.1.3  christos             ACPI_SET16 (Target, AmlLength);
    570      1.1.1.3  christos             AcpiRsSetResourceLength (AmlLength, Aml);
    571      1.1.1.3  christos             break;
    572      1.1.1.3  christos 
    573      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_VEN:
    574      1.1.1.3  christos 
    575      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source);
    576      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount);
    577      1.1.1.3  christos 
    578      1.1.1.3  christos             AmlLength = (UINT16) (AmlLength + (Info->Value * ItemCount));
    579      1.1.1.3  christos             AcpiRsSetResourceLength (AmlLength, Aml);
    580      1.1.1.3  christos             break;
    581      1.1.1.3  christos 
    582      1.1.1.3  christos         case ACPI_RSC_COUNT_GPIO_RES:
    583      1.1.1.3  christos 
    584      1.1.1.3  christos             /* Set resource source string length */
    585      1.1.1.3  christos 
    586      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source);
    587      1.1.1.3  christos             ACPI_SET16 (Destination, AmlLength);
    588      1.1.1.3  christos 
    589      1.1.1.3  christos             /* Compute offset for the Vendor Data */
    590      1.1.1.3  christos 
    591      1.1.1.3  christos             AmlLength = (UINT16) (AmlLength + ItemCount);
    592      1.1.1.3  christos             Target = ACPI_ADD_PTR (void, Aml, Info->Value);
    593      1.1.1.3  christos 
    594      1.1.1.3  christos             /* Set vendor offset only if there is vendor data */
    595      1.1.1.3  christos 
    596      1.1.1.3  christos             if (Resource->Data.Gpio.VendorLength)
    597      1.1.1.3  christos             {
    598      1.1.1.3  christos                 ACPI_SET16 (Target, AmlLength);
    599      1.1.1.3  christos             }
    600      1.1.1.3  christos 
    601      1.1.1.3  christos             AcpiRsSetResourceLength (AmlLength, Aml);
    602      1.1.1.3  christos             break;
    603      1.1.1.3  christos 
    604      1.1.1.3  christos         case ACPI_RSC_COUNT_SERIAL_VEN:
    605      1.1.1.3  christos 
    606      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source);
    607      1.1.1.3  christos             ACPI_SET16 (Destination, ItemCount + Info->Value);
    608      1.1.1.3  christos             AmlLength = (UINT16) (AmlLength + ItemCount);
    609      1.1.1.3  christos             AcpiRsSetResourceLength (AmlLength, Aml);
    610      1.1.1.3  christos             break;
    611      1.1.1.3  christos 
    612      1.1.1.3  christos         case ACPI_RSC_COUNT_SERIAL_RES:
    613      1.1.1.3  christos 
    614      1.1.1.3  christos             ItemCount = ACPI_GET16 (Source);
    615      1.1.1.3  christos             AmlLength = (UINT16) (AmlLength + ItemCount);
    616      1.1.1.3  christos             AcpiRsSetResourceLength (AmlLength, Aml);
    617      1.1.1.3  christos             break;
    618          1.1    jruoho 
    619          1.1    jruoho         case ACPI_RSC_LENGTH:
    620          1.1    jruoho 
    621          1.1    jruoho             AcpiRsSetResourceLength (Info->Value, Aml);
    622          1.1    jruoho             break;
    623          1.1    jruoho 
    624          1.1    jruoho         case ACPI_RSC_MOVE8:
    625          1.1    jruoho         case ACPI_RSC_MOVE16:
    626          1.1    jruoho         case ACPI_RSC_MOVE32:
    627          1.1    jruoho         case ACPI_RSC_MOVE64:
    628          1.1    jruoho 
    629          1.1    jruoho             if (Info->Value)
    630          1.1    jruoho             {
    631          1.1    jruoho                 ItemCount = Info->Value;
    632          1.1    jruoho             }
    633          1.1    jruoho             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    634          1.1    jruoho             break;
    635          1.1    jruoho 
    636      1.1.1.3  christos         case ACPI_RSC_MOVE_GPIO_PIN:
    637      1.1.1.3  christos 
    638      1.1.1.3  christos             Destination = (char *) ACPI_ADD_PTR (void, Aml,
    639      1.1.1.3  christos                   ACPI_GET16 (Destination));
    640      1.1.1.3  christos             Source = * (UINT16 **) Source;
    641      1.1.1.3  christos             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    642      1.1.1.3  christos             break;
    643      1.1.1.3  christos 
    644      1.1.1.3  christos         case ACPI_RSC_MOVE_GPIO_RES:
    645      1.1.1.3  christos 
    646      1.1.1.3  christos             /* Used for both ResourceSource string and VendorData */
    647      1.1.1.3  christos 
    648      1.1.1.3  christos             Destination = (char *) ACPI_ADD_PTR (void, Aml,
    649      1.1.1.3  christos                   ACPI_GET16 (Destination));
    650      1.1.1.3  christos             Source = * (UINT8 **) Source;
    651      1.1.1.3  christos             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    652      1.1.1.3  christos             break;
    653      1.1.1.3  christos 
    654      1.1.1.3  christos         case ACPI_RSC_MOVE_SERIAL_VEN:
    655      1.1.1.3  christos 
    656      1.1.1.3  christos             Destination = (char *) ACPI_ADD_PTR (void, Aml,
    657      1.1.1.3  christos                   (AmlLength - ItemCount));
    658      1.1.1.3  christos             Source = * (UINT8 **) Source;
    659      1.1.1.3  christos             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    660      1.1.1.3  christos             break;
    661      1.1.1.3  christos 
    662      1.1.1.3  christos         case ACPI_RSC_MOVE_SERIAL_RES:
    663      1.1.1.3  christos 
    664      1.1.1.3  christos             Destination = (char *) ACPI_ADD_PTR (void, Aml,
    665      1.1.1.3  christos                   (AmlLength - ItemCount));
    666      1.1.1.3  christos             Source = * (UINT8 **) Source;
    667      1.1.1.3  christos             AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
    668      1.1.1.3  christos             break;
    669          1.1    jruoho 
    670          1.1    jruoho         case ACPI_RSC_ADDRESS:
    671          1.1    jruoho 
    672          1.1    jruoho             /* Set the Resource Type, General Flags, and Type-Specific Flags */
    673          1.1    jruoho 
    674          1.1    jruoho             AcpiRsSetAddressCommon (Aml, Resource);
    675          1.1    jruoho             break;
    676          1.1    jruoho 
    677          1.1    jruoho         case ACPI_RSC_SOURCEX:
    678          1.1    jruoho             /*
    679          1.1    jruoho              * Optional ResourceSource (Index and String)
    680          1.1    jruoho              */
    681          1.1    jruoho             AmlLength = AcpiRsSetResourceSource (
    682          1.1    jruoho                             Aml, (ACPI_RS_LENGTH) AmlLength, Source);
    683          1.1    jruoho             AcpiRsSetResourceLength (AmlLength, Aml);
    684          1.1    jruoho             break;
    685          1.1    jruoho 
    686          1.1    jruoho         case ACPI_RSC_SOURCE:
    687          1.1    jruoho             /*
    688          1.1    jruoho              * Optional ResourceSource (Index and String). This is the more
    689          1.1    jruoho              * complicated case used by the Interrupt() macro
    690          1.1    jruoho              */
    691          1.1    jruoho             AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
    692          1.1    jruoho             AcpiRsSetResourceLength (AmlLength, Aml);
    693          1.1    jruoho             break;
    694          1.1    jruoho 
    695          1.1    jruoho         case ACPI_RSC_BITMASK:
    696          1.1    jruoho             /*
    697          1.1    jruoho              * 8-bit encoded bitmask (DMA macro)
    698          1.1    jruoho              */
    699      1.1.1.3  christos             ACPI_SET8 (Destination,
    700          1.1    jruoho                 AcpiRsEncodeBitmask (Source,
    701      1.1.1.3  christos                     *ACPI_ADD_PTR (UINT8, Resource, Info->Value)));
    702          1.1    jruoho             break;
    703          1.1    jruoho 
    704          1.1    jruoho         case ACPI_RSC_BITMASK16:
    705          1.1    jruoho             /*
    706          1.1    jruoho              * 16-bit encoded bitmask (IRQ macro)
    707          1.1    jruoho              */
    708          1.1    jruoho             Temp16 = AcpiRsEncodeBitmask (Source,
    709          1.1    jruoho                         *ACPI_ADD_PTR (UINT8, Resource, Info->Value));
    710          1.1    jruoho             ACPI_MOVE_16_TO_16 (Destination, &Temp16);
    711          1.1    jruoho             break;
    712          1.1    jruoho 
    713          1.1    jruoho         case ACPI_RSC_EXIT_LE:
    714          1.1    jruoho             /*
    715          1.1    jruoho              * Control - Exit conversion if less than or equal
    716          1.1    jruoho              */
    717          1.1    jruoho             if (ItemCount <= Info->Value)
    718          1.1    jruoho             {
    719          1.1    jruoho                 goto Exit;
    720          1.1    jruoho             }
    721          1.1    jruoho             break;
    722          1.1    jruoho 
    723          1.1    jruoho         case ACPI_RSC_EXIT_NE:
    724          1.1    jruoho             /*
    725          1.1    jruoho              * Control - Exit conversion if not equal
    726          1.1    jruoho              */
    727          1.1    jruoho             switch (COMPARE_OPCODE (Info))
    728          1.1    jruoho             {
    729          1.1    jruoho             case ACPI_RSC_COMPARE_VALUE:
    730          1.1    jruoho 
    731          1.1    jruoho                 if (*ACPI_ADD_PTR (UINT8, Resource,
    732          1.1    jruoho                         COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
    733          1.1    jruoho                 {
    734          1.1    jruoho                     goto Exit;
    735          1.1    jruoho                 }
    736          1.1    jruoho                 break;
    737          1.1    jruoho 
    738          1.1    jruoho             default:
    739          1.1    jruoho 
    740          1.1    jruoho                 ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
    741          1.1    jruoho                 return_ACPI_STATUS (AE_BAD_PARAMETER);
    742          1.1    jruoho             }
    743          1.1    jruoho             break;
    744          1.1    jruoho 
    745          1.1    jruoho         case ACPI_RSC_EXIT_EQ:
    746          1.1    jruoho             /*
    747          1.1    jruoho              * Control - Exit conversion if equal
    748          1.1    jruoho              */
    749          1.1    jruoho             if (*ACPI_ADD_PTR (UINT8, Resource,
    750          1.1    jruoho                     COMPARE_TARGET (Info)) == COMPARE_VALUE (Info))
    751          1.1    jruoho             {
    752          1.1    jruoho                 goto Exit;
    753          1.1    jruoho             }
    754          1.1    jruoho             break;
    755          1.1    jruoho 
    756          1.1    jruoho         default:
    757          1.1    jruoho 
    758          1.1    jruoho             ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
    759          1.1    jruoho             return_ACPI_STATUS (AE_BAD_PARAMETER);
    760          1.1    jruoho         }
    761          1.1    jruoho 
    762          1.1    jruoho         Count--;
    763          1.1    jruoho         Info++;
    764          1.1    jruoho     }
    765          1.1    jruoho 
    766          1.1    jruoho Exit:
    767          1.1    jruoho     return_ACPI_STATUS (AE_OK);
    768          1.1    jruoho }
    769          1.1    jruoho 
    770          1.1    jruoho 
    771          1.1    jruoho #if 0
    772          1.1    jruoho /* Previous resource validations */
    773          1.1    jruoho 
    774          1.1    jruoho     if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
    775          1.1    jruoho     {
    776          1.1    jruoho         return_ACPI_STATUS (AE_SUPPORT);
    777          1.1    jruoho     }
    778          1.1    jruoho 
    779          1.1    jruoho     if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
    780          1.1    jruoho     {
    781          1.1    jruoho         return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
    782          1.1    jruoho     }
    783          1.1    jruoho 
    784          1.1    jruoho     if (((Aml->Irq.Flags & 0x09) == 0x00) ||
    785          1.1    jruoho         ((Aml->Irq.Flags & 0x09) == 0x09))
    786          1.1    jruoho     {
    787          1.1    jruoho         /*
    788          1.1    jruoho          * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
    789          1.1    jruoho          * polarity/trigger interrupts are allowed (ACPI spec, section
    790          1.1    jruoho          * "IRQ Format"), so 0x00 and 0x09 are illegal.
    791          1.1    jruoho          */
    792          1.1    jruoho         ACPI_ERROR ((AE_INFO,
    793          1.1    jruoho             "Invalid interrupt polarity/trigger in resource list, 0x%X",
    794          1.1    jruoho             Aml->Irq.Flags));
    795          1.1    jruoho         return_ACPI_STATUS (AE_BAD_DATA);
    796          1.1    jruoho     }
    797          1.1    jruoho 
    798          1.1    jruoho     Resource->Data.ExtendedIrq.InterruptCount = Temp8;
    799          1.1    jruoho     if (Temp8 < 1)
    800          1.1    jruoho     {
    801          1.1    jruoho         /* Must have at least one IRQ */
    802          1.1    jruoho 
    803          1.1    jruoho         return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
    804          1.1    jruoho     }
    805          1.1    jruoho 
    806          1.1    jruoho     if (Resource->Data.Dma.Transfer == 0x03)
    807          1.1    jruoho     {
    808          1.1    jruoho         ACPI_ERROR ((AE_INFO,
    809          1.1    jruoho             "Invalid DMA.Transfer preference (3)"));
    810          1.1    jruoho         return_ACPI_STATUS (AE_BAD_DATA);
    811          1.1    jruoho     }
    812          1.1    jruoho #endif
    813