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utglobal.c revision 1.6
      1  1.1    jruoho /******************************************************************************
      2  1.1    jruoho  *
      3  1.1    jruoho  * Module Name: utglobal - Global variables for the ACPI subsystem
      4  1.1    jruoho  *
      5  1.1    jruoho  *****************************************************************************/
      6  1.1    jruoho 
      7  1.3    jruoho /*
      8  1.6  christos  * Copyright (C) 2000 - 2015, Intel Corp.
      9  1.1    jruoho  * All rights reserved.
     10  1.1    jruoho  *
     11  1.3    jruoho  * Redistribution and use in source and binary forms, with or without
     12  1.3    jruoho  * modification, are permitted provided that the following conditions
     13  1.3    jruoho  * are met:
     14  1.3    jruoho  * 1. Redistributions of source code must retain the above copyright
     15  1.3    jruoho  *    notice, this list of conditions, and the following disclaimer,
     16  1.3    jruoho  *    without modification.
     17  1.3    jruoho  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18  1.3    jruoho  *    substantially similar to the "NO WARRANTY" disclaimer below
     19  1.3    jruoho  *    ("Disclaimer") and any redistribution must be conditioned upon
     20  1.3    jruoho  *    including a substantially similar Disclaimer requirement for further
     21  1.3    jruoho  *    binary redistribution.
     22  1.3    jruoho  * 3. Neither the names of the above-listed copyright holders nor the names
     23  1.3    jruoho  *    of any contributors may be used to endorse or promote products derived
     24  1.3    jruoho  *    from this software without specific prior written permission.
     25  1.3    jruoho  *
     26  1.3    jruoho  * Alternatively, this software may be distributed under the terms of the
     27  1.3    jruoho  * GNU General Public License ("GPL") version 2 as published by the Free
     28  1.3    jruoho  * Software Foundation.
     29  1.3    jruoho  *
     30  1.3    jruoho  * NO WARRANTY
     31  1.3    jruoho  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32  1.3    jruoho  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  1.3    jruoho  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     34  1.3    jruoho  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35  1.3    jruoho  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36  1.3    jruoho  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37  1.3    jruoho  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38  1.3    jruoho  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39  1.3    jruoho  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40  1.3    jruoho  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41  1.3    jruoho  * POSSIBILITY OF SUCH DAMAGES.
     42  1.3    jruoho  */
     43  1.1    jruoho 
     44  1.4  christos #define EXPORT_ACPI_INTERFACES
     45  1.1    jruoho #define DEFINE_ACPI_GLOBALS
     46  1.1    jruoho 
     47  1.1    jruoho #include "acpi.h"
     48  1.1    jruoho #include "accommon.h"
     49  1.1    jruoho 
     50  1.1    jruoho #define _COMPONENT          ACPI_UTILITIES
     51  1.1    jruoho         ACPI_MODULE_NAME    ("utglobal")
     52  1.1    jruoho 
     53  1.1    jruoho 
     54  1.1    jruoho /*******************************************************************************
     55  1.1    jruoho  *
     56  1.1    jruoho  * Static global variable initialization.
     57  1.1    jruoho  *
     58  1.1    jruoho  ******************************************************************************/
     59  1.1    jruoho 
     60  1.5  christos /* Various state name strings */
     61  1.1    jruoho 
     62  1.1    jruoho const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
     63  1.1    jruoho {
     64  1.1    jruoho     "\\_S0_",
     65  1.1    jruoho     "\\_S1_",
     66  1.1    jruoho     "\\_S2_",
     67  1.1    jruoho     "\\_S3_",
     68  1.1    jruoho     "\\_S4_",
     69  1.1    jruoho     "\\_S5_"
     70  1.1    jruoho };
     71  1.1    jruoho 
     72  1.1    jruoho const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
     73  1.1    jruoho {
     74  1.1    jruoho     "_S0W",
     75  1.1    jruoho     "_S1W",
     76  1.1    jruoho     "_S2W",
     77  1.1    jruoho     "_S3W",
     78  1.1    jruoho     "_S4W"
     79  1.1    jruoho };
     80  1.1    jruoho 
     81  1.1    jruoho const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
     82  1.1    jruoho {
     83  1.1    jruoho     "_S1D",
     84  1.1    jruoho     "_S2D",
     85  1.1    jruoho     "_S3D",
     86  1.1    jruoho     "_S4D"
     87  1.1    jruoho };
     88  1.1    jruoho 
     89  1.1    jruoho 
     90  1.1    jruoho /*******************************************************************************
     91  1.1    jruoho  *
     92  1.1    jruoho  * Namespace globals
     93  1.1    jruoho  *
     94  1.1    jruoho  ******************************************************************************/
     95  1.1    jruoho 
     96  1.1    jruoho /*
     97  1.1    jruoho  * Predefined ACPI Names (Built-in to the Interpreter)
     98  1.1    jruoho  *
     99  1.1    jruoho  * NOTES:
    100  1.1    jruoho  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
    101  1.1    jruoho  *    during the initialization sequence.
    102  1.1    jruoho  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
    103  1.3    jruoho  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
    104  1.3    jruoho  *    This still allows notifies, but does not confuse host code that
    105  1.3    jruoho  *    searches for valid ThermalZone objects.
    106  1.1    jruoho  */
    107  1.1    jruoho const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
    108  1.1    jruoho {
    109  1.1    jruoho     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
    110  1.1    jruoho     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
    111  1.1    jruoho     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
    112  1.1    jruoho     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
    113  1.3    jruoho     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
    114  1.6  christos     /*
    115  1.6  christos      * March, 2015:
    116  1.6  christos      * The _REV object is in the process of being deprecated, because
    117  1.6  christos      * other ACPI implementations permanently return 2. Thus, it
    118  1.6  christos      * has little or no value. Return 2 for compatibility with
    119  1.6  christos      * other ACPI implementations.
    120  1.6  christos      */
    121  1.6  christos     {"_REV",    ACPI_TYPE_INTEGER,          ACPI_CAST_PTR (char, 2)},
    122  1.1    jruoho     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
    123  1.6  christos     {"_GL_",    ACPI_TYPE_MUTEX,            ACPI_CAST_PTR (char, 1)},
    124  1.1    jruoho 
    125  1.1    jruoho #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
    126  1.6  christos     {"_OSI",    ACPI_TYPE_METHOD,           ACPI_CAST_PTR (char, 1)},
    127  1.1    jruoho #endif
    128  1.1    jruoho 
    129  1.1    jruoho     /* Table terminator */
    130  1.1    jruoho 
    131  1.1    jruoho     {NULL,      ACPI_TYPE_ANY,              NULL}
    132  1.1    jruoho };
    133  1.1    jruoho 
    134  1.1    jruoho 
    135  1.4  christos #if (!ACPI_REDUCED_HARDWARE)
    136  1.1    jruoho /******************************************************************************
    137  1.1    jruoho  *
    138  1.1    jruoho  * Event and Hardware globals
    139  1.1    jruoho  *
    140  1.1    jruoho  ******************************************************************************/
    141  1.1    jruoho 
    142  1.1    jruoho ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
    143  1.1    jruoho {
    144  1.1    jruoho     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
    145  1.1    jruoho 
    146  1.1    jruoho     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
    147  1.1    jruoho     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
    148  1.1    jruoho     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
    149  1.1    jruoho     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
    150  1.1    jruoho     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
    151  1.1    jruoho     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
    152  1.1    jruoho     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
    153  1.1    jruoho     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
    154  1.1    jruoho 
    155  1.1    jruoho     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
    156  1.1    jruoho     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
    157  1.1    jruoho     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
    158  1.1    jruoho     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
    159  1.1    jruoho     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
    160  1.1    jruoho     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
    161  1.1    jruoho 
    162  1.1    jruoho     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
    163  1.1    jruoho     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
    164  1.1    jruoho     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
    165  1.1    jruoho     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
    166  1.1    jruoho     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
    167  1.1    jruoho 
    168  1.1    jruoho     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
    169  1.1    jruoho };
    170  1.1    jruoho 
    171  1.1    jruoho 
    172  1.1    jruoho ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
    173  1.1    jruoho {
    174  1.1    jruoho     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
    175  1.1    jruoho     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
    176  1.1    jruoho     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
    177  1.1    jruoho     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
    178  1.1    jruoho     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
    179  1.1    jruoho };
    180  1.4  christos #endif /* !ACPI_REDUCED_HARDWARE */
    181  1.1    jruoho 
    182  1.1    jruoho /* Public globals */
    183  1.1    jruoho 
    184  1.1    jruoho ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
    185  1.1    jruoho ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
    186  1.1    jruoho ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
    187  1.1    jruoho ACPI_EXPORT_SYMBOL (AcpiGpeCount)
    188  1.1    jruoho ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
    189