utglobal.c 9.5 KB

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  1. /******************************************************************************
  2. *
  3. * Module Name: utglobal - Global variables for the ACPI subsystem
  4. *
  5. *****************************************************************************/
  6. /*
  7. * Copyright (C) 2000 - 2016, Intel Corp.
  8. * All rights reserved.
  9. *
  10. * Redistribution and use in source and binary forms, with or without
  11. * modification, are permitted provided that the following conditions
  12. * are met:
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions, and the following disclaimer,
  15. * without modification.
  16. * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  17. * substantially similar to the "NO WARRANTY" disclaimer below
  18. * ("Disclaimer") and any redistribution must be conditioned upon
  19. * including a substantially similar Disclaimer requirement for further
  20. * binary redistribution.
  21. * 3. Neither the names of the above-listed copyright holders nor the names
  22. * of any contributors may be used to endorse or promote products derived
  23. * from this software without specific prior written permission.
  24. *
  25. * Alternatively, this software may be distributed under the terms of the
  26. * GNU General Public License ("GPL") version 2 as published by the Free
  27. * Software Foundation.
  28. *
  29. * NO WARRANTY
  30. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  31. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  32. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  33. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  34. * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  36. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  38. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  39. * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40. * POSSIBILITY OF SUCH DAMAGES.
  41. */
  42. #define EXPORT_ACPI_INTERFACES
  43. #define DEFINE_ACPI_GLOBALS
  44. #include <acpi/acpi.h>
  45. #include "accommon.h"
  46. #define _COMPONENT ACPI_UTILITIES
  47. ACPI_MODULE_NAME("utglobal")
  48. /*******************************************************************************
  49. *
  50. * Static global variable initialization.
  51. *
  52. ******************************************************************************/
  53. /* Various state name strings */
  54. const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
  55. "\\_S0_",
  56. "\\_S1_",
  57. "\\_S2_",
  58. "\\_S3_",
  59. "\\_S4_",
  60. "\\_S5_"
  61. };
  62. const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
  63. "_S0W",
  64. "_S1W",
  65. "_S2W",
  66. "_S3W",
  67. "_S4W"
  68. };
  69. const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
  70. "_S1D",
  71. "_S2D",
  72. "_S3D",
  73. "_S4D"
  74. };
  75. /* Hex-to-ascii */
  76. const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
  77. const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
  78. /*******************************************************************************
  79. *
  80. * Namespace globals
  81. *
  82. ******************************************************************************/
  83. /*
  84. * Predefined ACPI Names (Built-in to the Interpreter)
  85. *
  86. * NOTES:
  87. * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
  88. * during the initialization sequence.
  89. * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
  90. * perform a Notify() operation on it. 09/2010: Changed to type Device.
  91. * This still allows notifies, but does not confuse host code that
  92. * searches for valid thermal_zone objects.
  93. */
  94. const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
  95. {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
  96. {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
  97. {"_SB_", ACPI_TYPE_DEVICE, NULL},
  98. {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
  99. {"_TZ_", ACPI_TYPE_DEVICE, NULL},
  100. /*
  101. * March, 2015:
  102. * The _REV object is in the process of being deprecated, because
  103. * other ACPI implementations permanently return 2. Thus, it
  104. * has little or no value. Return 2 for compatibility with
  105. * other ACPI implementations.
  106. */
  107. {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)},
  108. {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
  109. {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)},
  110. #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
  111. {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)},
  112. #endif
  113. /* Table terminator */
  114. {NULL, ACPI_TYPE_ANY, NULL}
  115. };
  116. #if (!ACPI_REDUCED_HARDWARE)
  117. /******************************************************************************
  118. *
  119. * Event and Hardware globals
  120. *
  121. ******************************************************************************/
  122. struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
  123. /* Name Parent Register Register Bit Position Register Bit Mask */
  124. /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  125. ACPI_BITPOSITION_TIMER_STATUS,
  126. ACPI_BITMASK_TIMER_STATUS},
  127. /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  128. ACPI_BITPOSITION_BUS_MASTER_STATUS,
  129. ACPI_BITMASK_BUS_MASTER_STATUS},
  130. /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  131. ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
  132. ACPI_BITMASK_GLOBAL_LOCK_STATUS},
  133. /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  134. ACPI_BITPOSITION_POWER_BUTTON_STATUS,
  135. ACPI_BITMASK_POWER_BUTTON_STATUS},
  136. /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  137. ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
  138. ACPI_BITMASK_SLEEP_BUTTON_STATUS},
  139. /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  140. ACPI_BITPOSITION_RT_CLOCK_STATUS,
  141. ACPI_BITMASK_RT_CLOCK_STATUS},
  142. /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  143. ACPI_BITPOSITION_WAKE_STATUS,
  144. ACPI_BITMASK_WAKE_STATUS},
  145. /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  146. ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
  147. ACPI_BITMASK_PCIEXP_WAKE_STATUS},
  148. /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  149. ACPI_BITPOSITION_TIMER_ENABLE,
  150. ACPI_BITMASK_TIMER_ENABLE},
  151. /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  152. ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
  153. ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
  154. /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  155. ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
  156. ACPI_BITMASK_POWER_BUTTON_ENABLE},
  157. /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  158. ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
  159. ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
  160. /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  161. ACPI_BITPOSITION_RT_CLOCK_ENABLE,
  162. ACPI_BITMASK_RT_CLOCK_ENABLE},
  163. /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
  164. ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
  165. ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
  166. /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
  167. ACPI_BITPOSITION_SCI_ENABLE,
  168. ACPI_BITMASK_SCI_ENABLE},
  169. /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
  170. ACPI_BITPOSITION_BUS_MASTER_RLD,
  171. ACPI_BITMASK_BUS_MASTER_RLD},
  172. /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
  173. ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
  174. ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
  175. /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL,
  176. ACPI_BITPOSITION_SLEEP_TYPE,
  177. ACPI_BITMASK_SLEEP_TYPE},
  178. /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
  179. ACPI_BITPOSITION_SLEEP_ENABLE,
  180. ACPI_BITMASK_SLEEP_ENABLE},
  181. /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
  182. ACPI_BITPOSITION_ARB_DISABLE,
  183. ACPI_BITMASK_ARB_DISABLE}
  184. };
  185. struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
  186. /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
  187. ACPI_BITREG_TIMER_ENABLE,
  188. ACPI_BITMASK_TIMER_STATUS,
  189. ACPI_BITMASK_TIMER_ENABLE},
  190. /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
  191. ACPI_BITREG_GLOBAL_LOCK_ENABLE,
  192. ACPI_BITMASK_GLOBAL_LOCK_STATUS,
  193. ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
  194. /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
  195. ACPI_BITREG_POWER_BUTTON_ENABLE,
  196. ACPI_BITMASK_POWER_BUTTON_STATUS,
  197. ACPI_BITMASK_POWER_BUTTON_ENABLE},
  198. /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
  199. ACPI_BITREG_SLEEP_BUTTON_ENABLE,
  200. ACPI_BITMASK_SLEEP_BUTTON_STATUS,
  201. ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
  202. /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
  203. ACPI_BITREG_RT_CLOCK_ENABLE,
  204. ACPI_BITMASK_RT_CLOCK_STATUS,
  205. ACPI_BITMASK_RT_CLOCK_ENABLE},
  206. };
  207. #endif /* !ACPI_REDUCED_HARDWARE */
  208. #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
  209. /* to_pld macro: compile/disassemble strings */
  210. const char *acpi_gbl_pld_panel_list[] = {
  211. "TOP",
  212. "BOTTOM",
  213. "LEFT",
  214. "RIGHT",
  215. "FRONT",
  216. "BACK",
  217. "UNKNOWN",
  218. NULL
  219. };
  220. const char *acpi_gbl_pld_vertical_position_list[] = {
  221. "UPPER",
  222. "CENTER",
  223. "LOWER",
  224. NULL
  225. };
  226. const char *acpi_gbl_pld_horizontal_position_list[] = {
  227. "LEFT",
  228. "CENTER",
  229. "RIGHT",
  230. NULL
  231. };
  232. const char *acpi_gbl_pld_shape_list[] = {
  233. "ROUND",
  234. "OVAL",
  235. "SQUARE",
  236. "VERTICALRECTANGLE",
  237. "HORIZONTALRECTANGLE",
  238. "VERTICALTRAPEZOID",
  239. "HORIZONTALTRAPEZOID",
  240. "UNKNOWN",
  241. "CHAMFERED",
  242. NULL
  243. };
  244. #endif
  245. /* Public globals */
  246. ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
  247. ACPI_EXPORT_SYMBOL(acpi_dbg_level)
  248. ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
  249. ACPI_EXPORT_SYMBOL(acpi_gpe_count)
  250. ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)