1 /******************************************************************************
2  *
3  * Module Name: utglobal - Global variables for the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, 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 #define EXPORT_ACPI_INTERFACES
45 #define DEFINE_ACPI_GLOBALS
46 
47 #include "acpi.h"
48 #include "accommon.h"
49 
50 #define _COMPONENT          ACPI_UTILITIES
51         ACPI_MODULE_NAME    ("utglobal")
52 
53 
54 /*******************************************************************************
55  *
56  * Static global variable initialization.
57  *
58  ******************************************************************************/
59 
60 /* Various state name strings */
61 
62 const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
63 {
64     "\\_S0_",
65     "\\_S1_",
66     "\\_S2_",
67     "\\_S3_",
68     "\\_S4_",
69     "\\_S5_"
70 };
71 
72 const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
73 {
74     "_S0W",
75     "_S1W",
76     "_S2W",
77     "_S3W",
78     "_S4W"
79 };
80 
81 const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
82 {
83     "_S1D",
84     "_S2D",
85     "_S3D",
86     "_S4D"
87 };
88 
89 
90 /* Hex-to-ascii */
91 
92 const char                  AcpiGbl_LowerHexDigits[] = "0123456789abcdef";
93 const char                  AcpiGbl_UpperHexDigits[] = "0123456789ABCDEF";
94 
95 
96 /*******************************************************************************
97  *
98  * Namespace globals
99  *
100  ******************************************************************************/
101 
102 /*
103  * Predefined ACPI Names (Built-in to the Interpreter)
104  *
105  * NOTES:
106  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
107  *    during the initialization sequence.
108  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
109  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
110  *    This still allows notifies, but does not confuse host code that
111  *    searches for valid ThermalZone objects.
112  */
113 const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
114 {
115     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
116     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
117     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
118     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
119     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
120     /*
121      * March, 2015:
122      * The _REV object is in the process of being deprecated, because
123      * other ACPI implementations permanently return 2. Thus, it
124      * has little or no value. Return 2 for compatibility with
125      * other ACPI implementations.
126      */
127     {"_REV",    ACPI_TYPE_INTEGER,          ACPI_CAST_PTR (char, 2)},
128     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
129     {"_GL_",    ACPI_TYPE_MUTEX,            ACPI_CAST_PTR (char, 1)},
130 
131 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
132     {"_OSI",    ACPI_TYPE_METHOD,           ACPI_CAST_PTR (char, 1)},
133 #endif
134 
135     /* Table terminator */
136 
137     {NULL,      ACPI_TYPE_ANY,              NULL}
138 };
139 
140 
141 #if (!ACPI_REDUCED_HARDWARE)
142 /******************************************************************************
143  *
144  * Event and Hardware globals
145  *
146  ******************************************************************************/
147 
148 ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
149 {
150     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
151 
152     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
153     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
154     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
155     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
156     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
157     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
158     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
159     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
160 
161     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
162     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
163     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
164     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
165     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
166     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
167 
168     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
169     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
170     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
171     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
172     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
173 
174     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
175 };
176 
177 
178 ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
179 {
180     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
181     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
182     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
183     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
184     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
185 };
186 #endif /* !ACPI_REDUCED_HARDWARE */
187 
188 
189 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
190 
191 /* ToPld macro: compile/disassemble strings */
192 
193 const char              *AcpiGbl_PldPanelList[] =
194 {
195     "TOP",
196     "BOTTOM",
197     "LEFT",
198     "RIGHT",
199     "FRONT",
200     "BACK",
201     "UNKNOWN",
202     NULL
203 };
204 
205 const char              *AcpiGbl_PldVerticalPositionList[] =
206 {
207     "UPPER",
208     "CENTER",
209     "LOWER",
210     NULL
211 };
212 
213 const char              *AcpiGbl_PldHorizontalPositionList[] =
214 {
215     "LEFT",
216     "CENTER",
217     "RIGHT",
218     NULL
219 };
220 
221 const char              *AcpiGbl_PldShapeList[] =
222 {
223     "ROUND",
224     "OVAL",
225     "SQUARE",
226     "VERTICALRECTANGLE",
227     "HORIZONTALRECTANGLE",
228     "VERTICALTRAPEZOID",
229     "HORIZONTALTRAPEZOID",
230     "UNKNOWN",
231     "CHAMFERED",
232     NULL
233 };
234 #endif
235 
236 
237 /* Public globals */
238 
239 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
240 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
241 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
242 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
243 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)
244