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0001 /******************************************************************************
0002  *
0003  * Module Name: utglobal - Global variables for the ACPI subsystem
0004  *
0005  *****************************************************************************/
0006 
0007 /******************************************************************************
0008  *
0009  * 1. Copyright Notice
0010  *
0011  * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp.
0012  * All rights reserved.
0013  *
0014  * 2. License
0015  *
0016  * 2.1. This is your license from Intel Corp. under its intellectual property
0017  * rights. You may have additional license terms from the party that provided
0018  * you this software, covering your right to use that party's intellectual
0019  * property rights.
0020  *
0021  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
0022  * copy of the source code appearing in this file ("Covered Code") an
0023  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
0024  * base code distributed originally by Intel ("Original Intel Code") to copy,
0025  * make derivatives, distribute, use and display any portion of the Covered
0026  * Code in any form, with the right to sublicense such rights; and
0027  *
0028  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
0029  * license (with the right to sublicense), under only those claims of Intel
0030  * patents that are infringed by the Original Intel Code, to make, use, sell,
0031  * offer to sell, and import the Covered Code and derivative works thereof
0032  * solely to the minimum extent necessary to exercise the above copyright
0033  * license, and in no event shall the patent license extend to any additions
0034  * to or modifications of the Original Intel Code. No other license or right
0035  * is granted directly or by implication, estoppel or otherwise;
0036  *
0037  * The above copyright and patent license is granted only if the following
0038  * conditions are met:
0039  *
0040  * 3. Conditions
0041  *
0042  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
0043  * Redistribution of source code of any substantial portion of the Covered
0044  * Code or modification with rights to further distribute source must include
0045  * the above Copyright Notice, the above License, this list of Conditions,
0046  * and the following Disclaimer and Export Compliance provision. In addition,
0047  * Licensee must cause all Covered Code to which Licensee contributes to
0048  * contain a file documenting the changes Licensee made to create that Covered
0049  * Code and the date of any change. Licensee must include in that file the
0050  * documentation of any changes made by any predecessor Licensee. Licensee
0051  * must include a prominent statement that the modification is derived,
0052  * directly or indirectly, from Original Intel Code.
0053  *
0054  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
0055  * Redistribution of source code of any substantial portion of the Covered
0056  * Code or modification without rights to further distribute source must
0057  * include the following Disclaimer and Export Compliance provision in the
0058  * documentation and/or other materials provided with distribution. In
0059  * addition, Licensee may not authorize further sublicense of source of any
0060  * portion of the Covered Code, and must include terms to the effect that the
0061  * license from Licensee to its licensee is limited to the intellectual
0062  * property embodied in the software Licensee provides to its licensee, and
0063  * not to intellectual property embodied in modifications its licensee may
0064  * make.
0065  *
0066  * 3.3. Redistribution of Executable. Redistribution in executable form of any
0067  * substantial portion of the Covered Code or modification must reproduce the
0068  * above Copyright Notice, and the following Disclaimer and Export Compliance
0069  * provision in the documentation and/or other materials provided with the
0070  * distribution.
0071  *
0072  * 3.4. Intel retains all right, title, and interest in and to the Original
0073  * Intel Code.
0074  *
0075  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
0076  * Intel shall be used in advertising or otherwise to promote the sale, use or
0077  * other dealings in products derived from or relating to the Covered Code
0078  * without prior written authorization from Intel.
0079  *
0080  * 4. Disclaimer and Export Compliance
0081  *
0082  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
0083  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
0084  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
0085  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
0086  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
0087  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
0088  * PARTICULAR PURPOSE.
0089  *
0090  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
0091  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
0092  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
0093  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
0094  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
0095  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
0096  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
0097  * LIMITED REMEDY.
0098  *
0099  * 4.3. Licensee shall not export, either directly or indirectly, any of this
0100  * software or system incorporating such software without first obtaining any
0101  * required license or other approval from the U. S. Department of Commerce or
0102  * any other agency or department of the United States Government. In the
0103  * event Licensee exports any such software from the United States or
0104  * re-exports any such software from a foreign destination, Licensee shall
0105  * ensure that the distribution and export/re-export of the software is in
0106  * compliance with all laws, regulations, orders, or other restrictions of the
0107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
0108  * any of its subsidiaries will export/re-export any technical data, process,
0109  * software, or service, directly or indirectly, to any country for which the
0110  * United States government or any agency thereof requires an export license,
0111  * other governmental approval, or letter of assurance, without first obtaining
0112  * such license, approval or letter.
0113  *
0114  *****************************************************************************
0115  *
0116  * Alternatively, you may choose to be licensed under the terms of the
0117  * following license:
0118  *
0119  * Redistribution and use in source and binary forms, with or without
0120  * modification, are permitted provided that the following conditions
0121  * are met:
0122  * 1. Redistributions of source code must retain the above copyright
0123  *    notice, this list of conditions, and the following disclaimer,
0124  *    without modification.
0125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
0126  *    substantially similar to the "NO WARRANTY" disclaimer below
0127  *    ("Disclaimer") and any redistribution must be conditioned upon
0128  *    including a substantially similar Disclaimer requirement for further
0129  *    binary redistribution.
0130  * 3. Neither the names of the above-listed copyright holders nor the names
0131  *    of any contributors may be used to endorse or promote products derived
0132  *    from this software without specific prior written permission.
0133  *
0134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
0135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
0136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
0137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
0138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
0139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
0140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
0144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0145  *
0146  * Alternatively, you may choose to be licensed under the terms of the
0147  * GNU General Public License ("GPL") version 2 as published by the Free
0148  * Software Foundation.
0149  *
0150  *****************************************************************************/
0151 
0152 #define EXPORT_ACPI_INTERFACES
0153 #define DEFINE_ACPI_GLOBALS
0154 
0155 #include "acpi.h"
0156 #include "accommon.h"
0157 
0158 #define _COMPONENT          ACPI_UTILITIES
0159         ACPI_MODULE_NAME    ("utglobal")
0160 
0161 
0162 /*******************************************************************************
0163  *
0164  * Static global variable initialization.
0165  *
0166  ******************************************************************************/
0167 
0168 /* Various state name strings */
0169 
0170 const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
0171 {
0172     "\\_S0_",
0173     "\\_S1_",
0174     "\\_S2_",
0175     "\\_S3_",
0176     "\\_S4_",
0177     "\\_S5_"
0178 };
0179 
0180 const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
0181 {
0182     "_S0W",
0183     "_S1W",
0184     "_S2W",
0185     "_S3W",
0186     "_S4W"
0187 };
0188 
0189 const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
0190 {
0191     "_S1D",
0192     "_S2D",
0193     "_S3D",
0194     "_S4D"
0195 };
0196 
0197 
0198 /* Hex-to-ascii */
0199 
0200 const char                  AcpiGbl_LowerHexDigits[] = "0123456789abcdef";
0201 const char                  AcpiGbl_UpperHexDigits[] = "0123456789ABCDEF";
0202 
0203 
0204 /*******************************************************************************
0205  *
0206  * Namespace globals
0207  *
0208  ******************************************************************************/
0209 
0210 /*
0211  * Predefined ACPI Names (Built-in to the Interpreter)
0212  *
0213  * NOTES:
0214  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
0215  *    during the initialization sequence.
0216  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
0217  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
0218  *    This still allows notifies, but does not confuse host code that
0219  *    searches for valid ThermalZone objects.
0220  */
0221 const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
0222 {
0223     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
0224     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
0225     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
0226     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
0227     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
0228     /*
0229      * March, 2015:
0230      * The _REV object is in the process of being deprecated, because
0231      * other ACPI implementations permanently return 2. Thus, it
0232      * has little or no value. Return 2 for compatibility with
0233      * other ACPI implementations.
0234      */
0235     {"_REV",    ACPI_TYPE_INTEGER,          ACPI_CAST_PTR (char, 2)},
0236     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
0237     {"_GL_",    ACPI_TYPE_MUTEX,            ACPI_CAST_PTR (char, 1)},
0238     {"_OSI",    ACPI_TYPE_METHOD,           ACPI_CAST_PTR (char, 1)},
0239 
0240     /* Table terminator */
0241 
0242     {NULL,      ACPI_TYPE_ANY,              NULL}
0243 };
0244 
0245 
0246 #if (!ACPI_REDUCED_HARDWARE)
0247 /******************************************************************************
0248  *
0249  * Event and Hardware globals
0250  *
0251  ******************************************************************************/
0252 
0253 ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
0254 {
0255     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
0256 
0257     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
0258     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
0259     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
0260     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
0261     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
0262     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
0263     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
0264     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
0265 
0266     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
0267     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
0268     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
0269     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
0270     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
0271     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
0272 
0273     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
0274     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
0275     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
0276     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
0277     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
0278 
0279     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
0280 };
0281 
0282 
0283 ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
0284 {
0285     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
0286     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
0287     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
0288     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
0289     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
0290 };
0291 #endif /* !ACPI_REDUCED_HARDWARE */
0292 
0293 
0294 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
0295 
0296 /* ToPld macro: compile/disassemble strings */
0297 
0298 const char              *AcpiGbl_PldPanelList[] =
0299 {
0300     "TOP",
0301     "BOTTOM",
0302     "LEFT",
0303     "RIGHT",
0304     "FRONT",
0305     "BACK",
0306     "UNKNOWN",
0307     NULL
0308 };
0309 
0310 const char              *AcpiGbl_PldVerticalPositionList[] =
0311 {
0312     "UPPER",
0313     "CENTER",
0314     "LOWER",
0315     NULL
0316 };
0317 
0318 const char              *AcpiGbl_PldHorizontalPositionList[] =
0319 {
0320     "LEFT",
0321     "CENTER",
0322     "RIGHT",
0323     NULL
0324 };
0325 
0326 const char              *AcpiGbl_PldShapeList[] =
0327 {
0328     "ROUND",
0329     "OVAL",
0330     "SQUARE",
0331     "VERTICALRECTANGLE",
0332     "HORIZONTALRECTANGLE",
0333     "VERTICALTRAPEZOID",
0334     "HORIZONTALTRAPEZOID",
0335     "UNKNOWN",
0336     "CHAMFERED",
0337     NULL
0338 };
0339 #endif
0340 
0341 
0342 /* Public globals */
0343 
0344 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
0345 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
0346 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
0347 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
0348 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)