utglobal.c 7.7 KB

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  1. // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
  2. /******************************************************************************
  3. *
  4. * Module Name: utglobal - Global variables for the ACPI subsystem
  5. *
  6. * Copyright (C) 2000 - 2022, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. #define EXPORT_ACPI_INTERFACES
  10. #define DEFINE_ACPI_GLOBALS
  11. #include <acpi/acpi.h>
  12. #include "accommon.h"
  13. #define _COMPONENT ACPI_UTILITIES
  14. ACPI_MODULE_NAME("utglobal")
  15. /*******************************************************************************
  16. *
  17. * Static global variable initialization.
  18. *
  19. ******************************************************************************/
  20. /* Various state name strings */
  21. const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
  22. "\\_S0_",
  23. "\\_S1_",
  24. "\\_S2_",
  25. "\\_S3_",
  26. "\\_S4_",
  27. "\\_S5_"
  28. };
  29. const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
  30. "_S0W",
  31. "_S1W",
  32. "_S2W",
  33. "_S3W",
  34. "_S4W"
  35. };
  36. const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
  37. "_S1D",
  38. "_S2D",
  39. "_S3D",
  40. "_S4D"
  41. };
  42. /* Hex-to-ascii */
  43. const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
  44. const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
  45. /*******************************************************************************
  46. *
  47. * Namespace globals
  48. *
  49. ******************************************************************************/
  50. /*
  51. * Predefined ACPI Names (Built-in to the Interpreter)
  52. *
  53. * NOTES:
  54. * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
  55. * during the initialization sequence.
  56. * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
  57. * perform a Notify() operation on it. 09/2010: Changed to type Device.
  58. * This still allows notifies, but does not confuse host code that
  59. * searches for valid thermal_zone objects.
  60. */
  61. const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
  62. {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
  63. {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
  64. {"_SB_", ACPI_TYPE_DEVICE, NULL},
  65. {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
  66. {"_TZ_", ACPI_TYPE_DEVICE, NULL},
  67. /*
  68. * March, 2015:
  69. * The _REV object is in the process of being deprecated, because
  70. * other ACPI implementations permanently return 2. Thus, it
  71. * has little or no value. Return 2 for compatibility with
  72. * other ACPI implementations.
  73. */
  74. {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)},
  75. {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
  76. {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)},
  77. {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)},
  78. /* Table terminator */
  79. {NULL, ACPI_TYPE_ANY, NULL}
  80. };
  81. #if (!ACPI_REDUCED_HARDWARE)
  82. /******************************************************************************
  83. *
  84. * Event and Hardware globals
  85. *
  86. ******************************************************************************/
  87. struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
  88. /* Name Parent Register Register Bit Position Register Bit Mask */
  89. /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  90. ACPI_BITPOSITION_TIMER_STATUS,
  91. ACPI_BITMASK_TIMER_STATUS},
  92. /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  93. ACPI_BITPOSITION_BUS_MASTER_STATUS,
  94. ACPI_BITMASK_BUS_MASTER_STATUS},
  95. /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  96. ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
  97. ACPI_BITMASK_GLOBAL_LOCK_STATUS},
  98. /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  99. ACPI_BITPOSITION_POWER_BUTTON_STATUS,
  100. ACPI_BITMASK_POWER_BUTTON_STATUS},
  101. /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  102. ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
  103. ACPI_BITMASK_SLEEP_BUTTON_STATUS},
  104. /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  105. ACPI_BITPOSITION_RT_CLOCK_STATUS,
  106. ACPI_BITMASK_RT_CLOCK_STATUS},
  107. /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  108. ACPI_BITPOSITION_WAKE_STATUS,
  109. ACPI_BITMASK_WAKE_STATUS},
  110. /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS,
  111. ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
  112. ACPI_BITMASK_PCIEXP_WAKE_STATUS},
  113. /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  114. ACPI_BITPOSITION_TIMER_ENABLE,
  115. ACPI_BITMASK_TIMER_ENABLE},
  116. /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  117. ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
  118. ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
  119. /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  120. ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
  121. ACPI_BITMASK_POWER_BUTTON_ENABLE},
  122. /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  123. ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
  124. ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
  125. /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE,
  126. ACPI_BITPOSITION_RT_CLOCK_ENABLE,
  127. ACPI_BITMASK_RT_CLOCK_ENABLE},
  128. /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE,
  129. ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
  130. ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
  131. /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
  132. ACPI_BITPOSITION_SCI_ENABLE,
  133. ACPI_BITMASK_SCI_ENABLE},
  134. /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL,
  135. ACPI_BITPOSITION_BUS_MASTER_RLD,
  136. ACPI_BITMASK_BUS_MASTER_RLD},
  137. /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL,
  138. ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
  139. ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
  140. /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL,
  141. ACPI_BITPOSITION_SLEEP_TYPE,
  142. ACPI_BITMASK_SLEEP_TYPE},
  143. /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL,
  144. ACPI_BITPOSITION_SLEEP_ENABLE,
  145. ACPI_BITMASK_SLEEP_ENABLE},
  146. /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL,
  147. ACPI_BITPOSITION_ARB_DISABLE,
  148. ACPI_BITMASK_ARB_DISABLE}
  149. };
  150. struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
  151. /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS,
  152. ACPI_BITREG_TIMER_ENABLE,
  153. ACPI_BITMASK_TIMER_STATUS,
  154. ACPI_BITMASK_TIMER_ENABLE},
  155. /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
  156. ACPI_BITREG_GLOBAL_LOCK_ENABLE,
  157. ACPI_BITMASK_GLOBAL_LOCK_STATUS,
  158. ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
  159. /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS,
  160. ACPI_BITREG_POWER_BUTTON_ENABLE,
  161. ACPI_BITMASK_POWER_BUTTON_STATUS,
  162. ACPI_BITMASK_POWER_BUTTON_ENABLE},
  163. /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
  164. ACPI_BITREG_SLEEP_BUTTON_ENABLE,
  165. ACPI_BITMASK_SLEEP_BUTTON_STATUS,
  166. ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
  167. /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS,
  168. ACPI_BITREG_RT_CLOCK_ENABLE,
  169. ACPI_BITMASK_RT_CLOCK_STATUS,
  170. ACPI_BITMASK_RT_CLOCK_ENABLE},
  171. };
  172. #endif /* !ACPI_REDUCED_HARDWARE */
  173. #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
  174. /* to_pld macro: compile/disassemble strings */
  175. const char *acpi_gbl_pld_panel_list[] = {
  176. "TOP",
  177. "BOTTOM",
  178. "LEFT",
  179. "RIGHT",
  180. "FRONT",
  181. "BACK",
  182. "UNKNOWN",
  183. NULL
  184. };
  185. const char *acpi_gbl_pld_vertical_position_list[] = {
  186. "UPPER",
  187. "CENTER",
  188. "LOWER",
  189. NULL
  190. };
  191. const char *acpi_gbl_pld_horizontal_position_list[] = {
  192. "LEFT",
  193. "CENTER",
  194. "RIGHT",
  195. NULL
  196. };
  197. const char *acpi_gbl_pld_shape_list[] = {
  198. "ROUND",
  199. "OVAL",
  200. "SQUARE",
  201. "VERTICALRECTANGLE",
  202. "HORIZONTALRECTANGLE",
  203. "VERTICALTRAPEZOID",
  204. "HORIZONTALTRAPEZOID",
  205. "UNKNOWN",
  206. "CHAMFERED",
  207. NULL
  208. };
  209. #endif
  210. /* Public globals */
  211. ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
  212. ACPI_EXPORT_SYMBOL(acpi_dbg_level)
  213. ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
  214. ACPI_EXPORT_SYMBOL(acpi_gpe_count)
  215. ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)