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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utglobal - Global variables for the ACPI subsystem | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
4a90c7e8 | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
1da177e4 LT |
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 DEFINE_ACPI_GLOBALS | |
45 | ||
46 | #include <linux/module.h> | |
1da177e4 LT |
47 | #include <acpi/acpi.h> |
48 | #include <acpi/acnamesp.h> | |
49 | ||
50 | #define _COMPONENT ACPI_UTILITIES | |
4be44fcd | 51 | ACPI_MODULE_NAME("utglobal") |
1da177e4 | 52 | |
44f6c012 | 53 | /******************************************************************************* |
1da177e4 LT |
54 | * |
55 | * FUNCTION: acpi_format_exception | |
56 | * | |
57 | * PARAMETERS: Status - The acpi_status code to be formatted | |
58 | * | |
44f6c012 RM |
59 | * RETURN: A string containing the exception text. A valid pointer is |
60 | * always returned. | |
1da177e4 LT |
61 | * |
62 | * DESCRIPTION: This function translates an ACPI exception into an ASCII string. | |
63 | * | |
64 | ******************************************************************************/ | |
4be44fcd | 65 | const char *acpi_format_exception(acpi_status status) |
1da177e4 | 66 | { |
4be44fcd LB |
67 | acpi_status sub_status; |
68 | const char *exception = NULL; | |
1da177e4 | 69 | |
4a90c7e8 | 70 | ACPI_FUNCTION_ENTRY(); |
1da177e4 | 71 | |
4a90c7e8 BM |
72 | /* |
73 | * Status is composed of two parts, a "type" and an actual code | |
74 | */ | |
1da177e4 LT |
75 | sub_status = (status & ~AE_CODE_MASK); |
76 | ||
77 | switch (status & AE_CODE_MASK) { | |
78 | case AE_CODE_ENVIRONMENTAL: | |
79 | ||
80 | if (sub_status <= AE_CODE_ENV_MAX) { | |
4be44fcd | 81 | exception = acpi_gbl_exception_names_env[sub_status]; |
1da177e4 | 82 | } |
44f6c012 | 83 | break; |
1da177e4 LT |
84 | |
85 | case AE_CODE_PROGRAMMER: | |
86 | ||
87 | if (sub_status <= AE_CODE_PGM_MAX) { | |
4be44fcd LB |
88 | exception = |
89 | acpi_gbl_exception_names_pgm[sub_status - 1]; | |
1da177e4 | 90 | } |
44f6c012 | 91 | break; |
1da177e4 LT |
92 | |
93 | case AE_CODE_ACPI_TABLES: | |
94 | ||
95 | if (sub_status <= AE_CODE_TBL_MAX) { | |
4be44fcd LB |
96 | exception = |
97 | acpi_gbl_exception_names_tbl[sub_status - 1]; | |
1da177e4 | 98 | } |
44f6c012 | 99 | break; |
1da177e4 LT |
100 | |
101 | case AE_CODE_AML: | |
102 | ||
103 | if (sub_status <= AE_CODE_AML_MAX) { | |
4be44fcd LB |
104 | exception = |
105 | acpi_gbl_exception_names_aml[sub_status - 1]; | |
1da177e4 | 106 | } |
44f6c012 | 107 | break; |
1da177e4 LT |
108 | |
109 | case AE_CODE_CONTROL: | |
110 | ||
111 | if (sub_status <= AE_CODE_CTRL_MAX) { | |
4be44fcd LB |
112 | exception = |
113 | acpi_gbl_exception_names_ctrl[sub_status - 1]; | |
1da177e4 | 114 | } |
44f6c012 | 115 | break; |
1da177e4 LT |
116 | |
117 | default: | |
44f6c012 | 118 | break; |
1da177e4 LT |
119 | } |
120 | ||
44f6c012 RM |
121 | if (!exception) { |
122 | /* Exception code was not recognized */ | |
1da177e4 | 123 | |
b8e4d893 BM |
124 | ACPI_ERROR((AE_INFO, |
125 | "Unknown exception code: 0x%8.8X", status)); | |
1da177e4 | 126 | |
4a90c7e8 | 127 | exception = "UNKNOWN_STATUS_CODE"; |
44f6c012 | 128 | } |
1da177e4 | 129 | |
4a90c7e8 | 130 | return (ACPI_CAST_PTR(const char, exception)); |
1da177e4 LT |
131 | } |
132 | ||
44f6c012 | 133 | /******************************************************************************* |
1da177e4 LT |
134 | * |
135 | * Static global variable initialization. | |
136 | * | |
137 | ******************************************************************************/ | |
138 | ||
139 | /* | |
140 | * We want the debug switches statically initialized so they | |
141 | * are already set when the debugger is entered. | |
142 | */ | |
143 | ||
144 | /* Debug switch - level and trace mask */ | |
4be44fcd | 145 | u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; |
1da177e4 LT |
146 | EXPORT_SYMBOL(acpi_dbg_level); |
147 | ||
148 | /* Debug switch - layer (component) mask */ | |
149 | ||
4be44fcd | 150 | u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; |
1da177e4 | 151 | EXPORT_SYMBOL(acpi_dbg_layer); |
4be44fcd | 152 | u32 acpi_gbl_nesting_level = 0; |
1da177e4 LT |
153 | |
154 | /* Debugger globals */ | |
155 | ||
4be44fcd LB |
156 | u8 acpi_gbl_db_terminate_threads = FALSE; |
157 | u8 acpi_gbl_abort_method = FALSE; | |
158 | u8 acpi_gbl_method_executing = FALSE; | |
1da177e4 LT |
159 | |
160 | /* System flags */ | |
161 | ||
4be44fcd | 162 | u32 acpi_gbl_startup_flags = 0; |
1da177e4 LT |
163 | |
164 | /* System starts uninitialized */ | |
165 | ||
4be44fcd | 166 | u8 acpi_gbl_shutdown = TRUE; |
1da177e4 | 167 | |
4be44fcd | 168 | const u8 acpi_gbl_decode_to8bit[8] = { 1, 2, 4, 8, 16, 32, 64, 128 }; |
1da177e4 | 169 | |
4be44fcd | 170 | const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { |
1da177e4 LT |
171 | "\\_S0_", |
172 | "\\_S1_", | |
173 | "\\_S2_", | |
174 | "\\_S3_", | |
175 | "\\_S4_", | |
176 | "\\_S5_" | |
177 | }; | |
178 | ||
4be44fcd | 179 | const char *acpi_gbl_highest_dstate_names[4] = { |
1da177e4 LT |
180 | "_S1D", |
181 | "_S2D", | |
182 | "_S3D", | |
183 | "_S4D" | |
184 | }; | |
185 | ||
186 | /* | |
187 | * Strings supported by the _OSI predefined (internal) method. | |
188 | * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS. | |
189 | */ | |
4be44fcd | 190 | const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = { |
1da177e4 LT |
191 | /* Operating System Vendor Strings */ |
192 | ||
193 | "Linux", | |
194 | "Windows 2000", | |
195 | "Windows 2001", | |
196 | "Windows 2001.1", | |
197 | "Windows 2001 SP0", | |
198 | "Windows 2001 SP1", | |
199 | "Windows 2001 SP2", | |
200 | "Windows 2001 SP3", | |
201 | "Windows 2001 SP4", | |
202 | ||
203 | /* Feature Group Strings */ | |
204 | ||
205 | "Extended Address Space Descriptor" | |
206 | }; | |
207 | ||
44f6c012 | 208 | /******************************************************************************* |
1da177e4 LT |
209 | * |
210 | * Namespace globals | |
211 | * | |
212 | ******************************************************************************/ | |
213 | ||
1da177e4 LT |
214 | /* |
215 | * Predefined ACPI Names (Built-in to the Interpreter) | |
216 | * | |
217 | * NOTES: | |
218 | * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run | |
219 | * during the initialization sequence. | |
220 | * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to | |
221 | * perform a Notify() operation on it. | |
222 | */ | |
0897831b BM |
223 | const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { |
224 | {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
225 | {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
226 | {"_SB_", ACPI_TYPE_DEVICE, NULL}, | |
227 | {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
228 | {"_TZ_", ACPI_TYPE_THERMAL, NULL}, | |
229 | {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, | |
230 | {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, | |
231 | {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, | |
1da177e4 LT |
232 | |
233 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
0897831b | 234 | {"_OSI", ACPI_TYPE_METHOD, (char *)1}, |
1da177e4 | 235 | #endif |
1da177e4 | 236 | |
44f6c012 RM |
237 | /* Table terminator */ |
238 | ||
0897831b | 239 | {NULL, ACPI_TYPE_ANY, NULL} |
44f6c012 | 240 | }; |
1da177e4 LT |
241 | |
242 | /* | |
243 | * Properties of the ACPI Object Types, both internal and external. | |
244 | * The table is indexed by values of acpi_object_type | |
245 | */ | |
4be44fcd LB |
246 | const u8 acpi_gbl_ns_properties[] = { |
247 | ACPI_NS_NORMAL, /* 00 Any */ | |
248 | ACPI_NS_NORMAL, /* 01 Number */ | |
249 | ACPI_NS_NORMAL, /* 02 String */ | |
250 | ACPI_NS_NORMAL, /* 03 Buffer */ | |
251 | ACPI_NS_NORMAL, /* 04 Package */ | |
252 | ACPI_NS_NORMAL, /* 05 field_unit */ | |
253 | ACPI_NS_NEWSCOPE, /* 06 Device */ | |
254 | ACPI_NS_NORMAL, /* 07 Event */ | |
255 | ACPI_NS_NEWSCOPE, /* 08 Method */ | |
256 | ACPI_NS_NORMAL, /* 09 Mutex */ | |
257 | ACPI_NS_NORMAL, /* 10 Region */ | |
258 | ACPI_NS_NEWSCOPE, /* 11 Power */ | |
259 | ACPI_NS_NEWSCOPE, /* 12 Processor */ | |
260 | ACPI_NS_NEWSCOPE, /* 13 Thermal */ | |
261 | ACPI_NS_NORMAL, /* 14 buffer_field */ | |
262 | ACPI_NS_NORMAL, /* 15 ddb_handle */ | |
263 | ACPI_NS_NORMAL, /* 16 Debug Object */ | |
264 | ACPI_NS_NORMAL, /* 17 def_field */ | |
265 | ACPI_NS_NORMAL, /* 18 bank_field */ | |
266 | ACPI_NS_NORMAL, /* 19 index_field */ | |
267 | ACPI_NS_NORMAL, /* 20 Reference */ | |
268 | ACPI_NS_NORMAL, /* 21 Alias */ | |
269 | ACPI_NS_NORMAL, /* 22 method_alias */ | |
270 | ACPI_NS_NORMAL, /* 23 Notify */ | |
271 | ACPI_NS_NORMAL, /* 24 Address Handler */ | |
272 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ | |
273 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ | |
274 | ACPI_NS_NEWSCOPE, /* 27 Scope */ | |
275 | ACPI_NS_NORMAL, /* 28 Extra */ | |
276 | ACPI_NS_NORMAL, /* 29 Data */ | |
277 | ACPI_NS_NORMAL /* 30 Invalid */ | |
1da177e4 LT |
278 | }; |
279 | ||
1da177e4 LT |
280 | /* Hex to ASCII conversion table */ |
281 | ||
4be44fcd LB |
282 | static const char acpi_gbl_hex_to_ascii[] = { |
283 | '0', '1', '2', '3', '4', '5', '6', '7', | |
284 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' | |
44f6c012 RM |
285 | }; |
286 | ||
44f6c012 | 287 | /******************************************************************************* |
1da177e4 LT |
288 | * |
289 | * FUNCTION: acpi_ut_hex_to_ascii_char | |
290 | * | |
291 | * PARAMETERS: Integer - Contains the hex digit | |
292 | * Position - bit position of the digit within the | |
44f6c012 | 293 | * integer (multiple of 4) |
1da177e4 | 294 | * |
44f6c012 | 295 | * RETURN: The converted Ascii character |
1da177e4 | 296 | * |
44f6c012 | 297 | * DESCRIPTION: Convert a hex digit to an Ascii character |
1da177e4 | 298 | * |
44f6c012 | 299 | ******************************************************************************/ |
1da177e4 | 300 | |
4be44fcd | 301 | char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) |
1da177e4 LT |
302 | { |
303 | ||
304 | return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); | |
305 | } | |
306 | ||
44f6c012 | 307 | /******************************************************************************* |
1da177e4 LT |
308 | * |
309 | * Table name globals | |
310 | * | |
311 | * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. | |
312 | * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables | |
313 | * that are not used by the subsystem are simply ignored. | |
314 | * | |
315 | * Do NOT add any table to this list that is not consumed directly by this | |
44f6c012 | 316 | * subsystem (No MADT, ECDT, SBST, etc.) |
1da177e4 LT |
317 | * |
318 | ******************************************************************************/ | |
319 | ||
4be44fcd | 320 | struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; |
1da177e4 | 321 | |
4be44fcd | 322 | struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = { |
1da177e4 LT |
323 | /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ |
324 | ||
4be44fcd LB |
325 | /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, |
326 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
327 | , | |
328 | /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT, | |
329 | sizeof(DSDT_SIG) - 1, | |
330 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE | | |
331 | ACPI_TABLE_EXECUTABLE} | |
332 | , | |
333 | /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT, | |
334 | sizeof(FADT_SIG) - 1, | |
335 | ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE} | |
336 | , | |
337 | /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS, | |
338 | sizeof(FACS_SIG) - 1, | |
339 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE} | |
340 | , | |
341 | /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1, | |
342 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
343 | ACPI_TABLE_EXECUTABLE} | |
344 | , | |
345 | /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1, | |
346 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
347 | ACPI_TABLE_EXECUTABLE} | |
348 | , | |
349 | /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1, | |
350 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
351 | , | |
1da177e4 LT |
352 | }; |
353 | ||
1da177e4 LT |
354 | /****************************************************************************** |
355 | * | |
356 | * Event and Hardware globals | |
357 | * | |
358 | ******************************************************************************/ | |
359 | ||
4be44fcd | 360 | struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { |
1da177e4 LT |
361 | /* Name Parent Register Register Bit Position Register Bit Mask */ |
362 | ||
4be44fcd LB |
363 | /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, |
364 | ACPI_BITPOSITION_TIMER_STATUS, | |
365 | ACPI_BITMASK_TIMER_STATUS}, | |
366 | /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
367 | ACPI_BITPOSITION_BUS_MASTER_STATUS, | |
368 | ACPI_BITMASK_BUS_MASTER_STATUS}, | |
369 | /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
370 | ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, | |
371 | ACPI_BITMASK_GLOBAL_LOCK_STATUS}, | |
372 | /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
373 | ACPI_BITPOSITION_POWER_BUTTON_STATUS, | |
374 | ACPI_BITMASK_POWER_BUTTON_STATUS}, | |
375 | /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
376 | ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, | |
377 | ACPI_BITMASK_SLEEP_BUTTON_STATUS}, | |
378 | /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
379 | ACPI_BITPOSITION_RT_CLOCK_STATUS, | |
380 | ACPI_BITMASK_RT_CLOCK_STATUS}, | |
381 | /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
382 | ACPI_BITPOSITION_WAKE_STATUS, | |
383 | ACPI_BITMASK_WAKE_STATUS}, | |
384 | /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
385 | ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, | |
386 | ACPI_BITMASK_PCIEXP_WAKE_STATUS}, | |
387 | ||
388 | /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
389 | ACPI_BITPOSITION_TIMER_ENABLE, | |
390 | ACPI_BITMASK_TIMER_ENABLE}, | |
391 | /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
392 | ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, | |
393 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
394 | /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
395 | ACPI_BITPOSITION_POWER_BUTTON_ENABLE, | |
396 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
397 | /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
398 | ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, | |
399 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
400 | /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
401 | ACPI_BITPOSITION_RT_CLOCK_ENABLE, | |
402 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
403 | /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, | |
404 | /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
405 | ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, | |
406 | ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, | |
407 | ||
408 | /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
409 | ACPI_BITPOSITION_SCI_ENABLE, | |
410 | ACPI_BITMASK_SCI_ENABLE}, | |
411 | /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, | |
412 | ACPI_BITPOSITION_BUS_MASTER_RLD, | |
413 | ACPI_BITMASK_BUS_MASTER_RLD}, | |
414 | /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, | |
415 | ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, | |
416 | ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, | |
417 | /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, | |
418 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
419 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
420 | /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, | |
421 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
422 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
423 | /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
424 | ACPI_BITPOSITION_SLEEP_ENABLE, | |
425 | ACPI_BITMASK_SLEEP_ENABLE}, | |
426 | ||
427 | /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, | |
428 | ACPI_BITPOSITION_ARB_DISABLE, | |
429 | ACPI_BITMASK_ARB_DISABLE} | |
1da177e4 LT |
430 | }; |
431 | ||
4be44fcd LB |
432 | struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { |
433 | /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, | |
434 | ACPI_BITREG_TIMER_ENABLE, | |
435 | ACPI_BITMASK_TIMER_STATUS, | |
436 | ACPI_BITMASK_TIMER_ENABLE}, | |
437 | /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, | |
438 | ACPI_BITREG_GLOBAL_LOCK_ENABLE, | |
439 | ACPI_BITMASK_GLOBAL_LOCK_STATUS, | |
440 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
441 | /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, | |
442 | ACPI_BITREG_POWER_BUTTON_ENABLE, | |
443 | ACPI_BITMASK_POWER_BUTTON_STATUS, | |
444 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
445 | /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, | |
446 | ACPI_BITREG_SLEEP_BUTTON_ENABLE, | |
447 | ACPI_BITMASK_SLEEP_BUTTON_STATUS, | |
448 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
449 | /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, | |
450 | ACPI_BITREG_RT_CLOCK_ENABLE, | |
451 | ACPI_BITMASK_RT_CLOCK_STATUS, | |
452 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
1da177e4 LT |
453 | }; |
454 | ||
44f6c012 | 455 | /******************************************************************************* |
1da177e4 LT |
456 | * |
457 | * FUNCTION: acpi_ut_get_region_name | |
458 | * | |
459 | * PARAMETERS: None. | |
460 | * | |
461 | * RETURN: Status | |
462 | * | |
463 | * DESCRIPTION: Translate a Space ID into a name string (Debug only) | |
464 | * | |
44f6c012 | 465 | ******************************************************************************/ |
1da177e4 LT |
466 | |
467 | /* Region type decoding */ | |
468 | ||
4be44fcd | 469 | const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { |
1da177e4 LT |
470 | /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
471 | "SystemMemory", | |
472 | "SystemIO", | |
473 | "PCI_Config", | |
474 | "EmbeddedControl", | |
475 | "SMBus", | |
476 | "CMOS", | |
477 | "PCIBARTarget", | |
478 | "DataTable" | |
479 | /*! [End] no source code translation !*/ | |
480 | }; | |
481 | ||
4be44fcd | 482 | char *acpi_ut_get_region_name(u8 space_id) |
1da177e4 LT |
483 | { |
484 | ||
4be44fcd | 485 | if (space_id >= ACPI_USER_REGION_BEGIN) { |
1da177e4 | 486 | return ("user_defined_region"); |
4be44fcd | 487 | } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { |
1da177e4 LT |
488 | return ("invalid_space_id"); |
489 | } | |
490 | ||
defba1d8 | 491 | return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); |
1da177e4 LT |
492 | } |
493 | ||
44f6c012 | 494 | /******************************************************************************* |
1da177e4 LT |
495 | * |
496 | * FUNCTION: acpi_ut_get_event_name | |
497 | * | |
498 | * PARAMETERS: None. | |
499 | * | |
500 | * RETURN: Status | |
501 | * | |
502 | * DESCRIPTION: Translate a Event ID into a name string (Debug only) | |
503 | * | |
44f6c012 | 504 | ******************************************************************************/ |
1da177e4 LT |
505 | |
506 | /* Event type decoding */ | |
507 | ||
4be44fcd | 508 | static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { |
0897831b | 509 | /*! [Begin] no source code translation (keep these strings as-is) */ |
1da177e4 | 510 | "PM_Timer", |
0897831b BM |
511 | "GlobalLock", |
512 | "PowerButton", | |
513 | "SleepButton", | |
514 | "RealTimeClock", | |
515 | /*! [End] no source code translation !*/ | |
1da177e4 LT |
516 | }; |
517 | ||
4be44fcd | 518 | char *acpi_ut_get_event_name(u32 event_id) |
1da177e4 LT |
519 | { |
520 | ||
4be44fcd | 521 | if (event_id > ACPI_EVENT_MAX) { |
1da177e4 LT |
522 | return ("invalid_event_iD"); |
523 | } | |
524 | ||
4a90c7e8 | 525 | return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); |
1da177e4 LT |
526 | } |
527 | ||
44f6c012 | 528 | /******************************************************************************* |
1da177e4 LT |
529 | * |
530 | * FUNCTION: acpi_ut_get_type_name | |
531 | * | |
532 | * PARAMETERS: None. | |
533 | * | |
534 | * RETURN: Status | |
535 | * | |
536 | * DESCRIPTION: Translate a Type ID into a name string (Debug only) | |
537 | * | |
44f6c012 | 538 | ******************************************************************************/ |
1da177e4 LT |
539 | |
540 | /* | |
541 | * Elements of acpi_gbl_ns_type_names below must match | |
542 | * one-to-one with values of acpi_object_type | |
543 | * | |
44f6c012 RM |
544 | * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
545 | * when stored in a table it really means that we have thus far seen no | |
546 | * evidence to indicate what type is actually going to be stored for this entry. | |
1da177e4 | 547 | */ |
4be44fcd | 548 | static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
1da177e4 | 549 | |
44f6c012 RM |
550 | /* Printable names of the ACPI object types */ |
551 | ||
4be44fcd | 552 | static const char *acpi_gbl_ns_type_names[] = { |
0897831b | 553 | /*! [Begin] no source code translation (keep these strings as-is) */ |
1da177e4 LT |
554 | /* 00 */ "Untyped", |
555 | /* 01 */ "Integer", | |
556 | /* 02 */ "String", | |
557 | /* 03 */ "Buffer", | |
558 | /* 04 */ "Package", | |
0897831b | 559 | /* 05 */ "FieldUnit", |
1da177e4 LT |
560 | /* 06 */ "Device", |
561 | /* 07 */ "Event", | |
562 | /* 08 */ "Method", | |
563 | /* 09 */ "Mutex", | |
564 | /* 10 */ "Region", | |
565 | /* 11 */ "Power", | |
566 | /* 12 */ "Processor", | |
567 | /* 13 */ "Thermal", | |
0897831b BM |
568 | /* 14 */ "BufferField", |
569 | /* 15 */ "DdbHandle", | |
570 | /* 16 */ "DebugObject", | |
571 | /* 17 */ "RegionField", | |
572 | /* 18 */ "BankField", | |
573 | /* 19 */ "IndexField", | |
1da177e4 LT |
574 | /* 20 */ "Reference", |
575 | /* 21 */ "Alias", | |
0897831b | 576 | /* 22 */ "MethodAlias", |
1da177e4 | 577 | /* 23 */ "Notify", |
0897831b BM |
578 | /* 24 */ "AddrHandler", |
579 | /* 25 */ "ResourceDesc", | |
580 | /* 26 */ "ResourceFld", | |
1da177e4 LT |
581 | /* 27 */ "Scope", |
582 | /* 28 */ "Extra", | |
583 | /* 29 */ "Data", | |
584 | /* 30 */ "Invalid" | |
0897831b | 585 | /*! [End] no source code translation !*/ |
1da177e4 LT |
586 | }; |
587 | ||
4be44fcd | 588 | char *acpi_ut_get_type_name(acpi_object_type type) |
1da177e4 LT |
589 | { |
590 | ||
4be44fcd | 591 | if (type > ACPI_TYPE_INVALID) { |
4a90c7e8 | 592 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
593 | } |
594 | ||
4a90c7e8 | 595 | return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); |
1da177e4 LT |
596 | } |
597 | ||
4be44fcd | 598 | char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) |
1da177e4 LT |
599 | { |
600 | ||
4be44fcd | 601 | if (!obj_desc) { |
1da177e4 LT |
602 | return ("[NULL Object Descriptor]"); |
603 | } | |
604 | ||
4be44fcd | 605 | return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); |
1da177e4 LT |
606 | } |
607 | ||
44f6c012 | 608 | /******************************************************************************* |
1da177e4 LT |
609 | * |
610 | * FUNCTION: acpi_ut_get_node_name | |
611 | * | |
612 | * PARAMETERS: Object - A namespace node | |
613 | * | |
614 | * RETURN: Pointer to a string | |
615 | * | |
616 | * DESCRIPTION: Validate the node and return the node's ACPI name. | |
617 | * | |
44f6c012 | 618 | ******************************************************************************/ |
1da177e4 | 619 | |
4be44fcd | 620 | char *acpi_ut_get_node_name(void *object) |
1da177e4 | 621 | { |
4be44fcd | 622 | struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; |
1da177e4 LT |
623 | |
624 | /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ | |
625 | ||
4be44fcd | 626 | if (!object) { |
1da177e4 LT |
627 | return ("NULL"); |
628 | } | |
629 | ||
630 | /* Check for Root node */ | |
631 | ||
4be44fcd | 632 | if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { |
1da177e4 LT |
633 | return ("\"\\\" "); |
634 | } | |
635 | ||
636 | /* Descriptor must be a namespace node */ | |
637 | ||
4be44fcd | 638 | if (node->descriptor != ACPI_DESC_TYPE_NAMED) { |
1da177e4 LT |
639 | return ("####"); |
640 | } | |
641 | ||
642 | /* Name must be a valid ACPI name */ | |
643 | ||
c51a4de8 | 644 | if (!acpi_ut_valid_acpi_name(node->name.integer)) { |
1da177e4 LT |
645 | return ("????"); |
646 | } | |
647 | ||
648 | /* Return the name */ | |
649 | ||
650 | return (node->name.ascii); | |
651 | } | |
652 | ||
44f6c012 | 653 | /******************************************************************************* |
1da177e4 LT |
654 | * |
655 | * FUNCTION: acpi_ut_get_descriptor_name | |
656 | * | |
657 | * PARAMETERS: Object - An ACPI object | |
658 | * | |
659 | * RETURN: Pointer to a string | |
660 | * | |
661 | * DESCRIPTION: Validate object and return the descriptor type | |
662 | * | |
44f6c012 RM |
663 | ******************************************************************************/ |
664 | ||
665 | /* Printable names of object descriptor types */ | |
1da177e4 | 666 | |
4be44fcd | 667 | static const char *acpi_gbl_desc_type_names[] = { |
0897831b | 668 | /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
1da177e4 LT |
669 | /* 00 */ "Invalid", |
670 | /* 01 */ "Cached", | |
671 | /* 02 */ "State-Generic", | |
672 | /* 03 */ "State-Update", | |
673 | /* 04 */ "State-Package", | |
674 | /* 05 */ "State-Control", | |
0897831b BM |
675 | /* 06 */ "State-RootParseScope", |
676 | /* 07 */ "State-ParseScope", | |
677 | /* 08 */ "State-WalkScope", | |
1da177e4 LT |
678 | /* 09 */ "State-Result", |
679 | /* 10 */ "State-Notify", | |
680 | /* 11 */ "State-Thread", | |
681 | /* 12 */ "Walk", | |
682 | /* 13 */ "Parser", | |
683 | /* 14 */ "Operand", | |
684 | /* 15 */ "Node" | |
0897831b | 685 | /*! [End] no source code translation !*/ |
1da177e4 LT |
686 | }; |
687 | ||
4be44fcd | 688 | char *acpi_ut_get_descriptor_name(void *object) |
1da177e4 LT |
689 | { |
690 | ||
4be44fcd | 691 | if (!object) { |
1da177e4 LT |
692 | return ("NULL OBJECT"); |
693 | } | |
694 | ||
4be44fcd | 695 | if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { |
defba1d8 | 696 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
697 | } |
698 | ||
defba1d8 BM |
699 | return (ACPI_CAST_PTR(char, |
700 | acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE | |
701 | (object)])); | |
1da177e4 LT |
702 | |
703 | } | |
704 | ||
1da177e4 LT |
705 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
706 | /* | |
707 | * Strings and procedures used for debug only | |
708 | */ | |
709 | ||
44f6c012 | 710 | /******************************************************************************* |
1da177e4 LT |
711 | * |
712 | * FUNCTION: acpi_ut_get_mutex_name | |
713 | * | |
44f6c012 | 714 | * PARAMETERS: mutex_id - The predefined ID for this mutex. |
1da177e4 | 715 | * |
44f6c012 RM |
716 | * RETURN: String containing the name of the mutex. Always returns a valid |
717 | * pointer. | |
1da177e4 LT |
718 | * |
719 | * DESCRIPTION: Translate a mutex ID into a name string (Debug only) | |
720 | * | |
44f6c012 | 721 | ******************************************************************************/ |
1da177e4 | 722 | |
4be44fcd | 723 | char *acpi_ut_get_mutex_name(u32 mutex_id) |
1da177e4 LT |
724 | { |
725 | ||
4be44fcd | 726 | if (mutex_id > MAX_MUTEX) { |
1da177e4 LT |
727 | return ("Invalid Mutex ID"); |
728 | } | |
729 | ||
730 | return (acpi_gbl_mutex_names[mutex_id]); | |
731 | } | |
1da177e4 LT |
732 | #endif |
733 | ||
44f6c012 | 734 | /******************************************************************************* |
1da177e4 LT |
735 | * |
736 | * FUNCTION: acpi_ut_valid_object_type | |
737 | * | |
738 | * PARAMETERS: Type - Object type to be validated | |
739 | * | |
44f6c012 | 740 | * RETURN: TRUE if valid object type, FALSE otherwise |
1da177e4 LT |
741 | * |
742 | * DESCRIPTION: Validate an object type | |
743 | * | |
44f6c012 | 744 | ******************************************************************************/ |
1da177e4 | 745 | |
4be44fcd | 746 | u8 acpi_ut_valid_object_type(acpi_object_type type) |
1da177e4 LT |
747 | { |
748 | ||
4be44fcd | 749 | if (type > ACPI_TYPE_LOCAL_MAX) { |
1da177e4 LT |
750 | /* Note: Assumes all TYPEs are contiguous (external/local) */ |
751 | ||
752 | return (FALSE); | |
753 | } | |
754 | ||
755 | return (TRUE); | |
756 | } | |
757 | ||
44f6c012 | 758 | /******************************************************************************* |
1da177e4 LT |
759 | * |
760 | * FUNCTION: acpi_ut_init_globals | |
761 | * | |
44f6c012 RM |
762 | * PARAMETERS: None |
763 | * | |
764 | * RETURN: None | |
1da177e4 LT |
765 | * |
766 | * DESCRIPTION: Init library globals. All globals that require specific | |
767 | * initialization should be initialized here! | |
768 | * | |
44f6c012 | 769 | ******************************************************************************/ |
1da177e4 | 770 | |
4be44fcd | 771 | void acpi_ut_init_globals(void) |
1da177e4 | 772 | { |
4be44fcd LB |
773 | acpi_status status; |
774 | u32 i; | |
1da177e4 | 775 | |
4be44fcd | 776 | ACPI_FUNCTION_TRACE("ut_init_globals"); |
1da177e4 | 777 | |
73459f73 RM |
778 | /* Create all memory caches */ |
779 | ||
4be44fcd LB |
780 | status = acpi_ut_create_caches(); |
781 | if (ACPI_FAILURE(status)) { | |
73459f73 RM |
782 | return; |
783 | } | |
1da177e4 LT |
784 | |
785 | /* ACPI table structure */ | |
786 | ||
4be44fcd LB |
787 | for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { |
788 | acpi_gbl_table_lists[i].next = NULL; | |
789 | acpi_gbl_table_lists[i].count = 0; | |
1da177e4 LT |
790 | } |
791 | ||
792 | /* Mutex locked flags */ | |
793 | ||
4be44fcd LB |
794 | for (i = 0; i < NUM_MUTEX; i++) { |
795 | acpi_gbl_mutex_info[i].mutex = NULL; | |
796 | acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; | |
797 | acpi_gbl_mutex_info[i].use_count = 0; | |
1da177e4 LT |
798 | } |
799 | ||
28f55ebc BM |
800 | for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { |
801 | acpi_gbl_owner_id_mask[i] = 0; | |
802 | } | |
803 | acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ | |
804 | ||
1da177e4 LT |
805 | /* GPE support */ |
806 | ||
4be44fcd LB |
807 | acpi_gbl_gpe_xrupt_list_head = NULL; |
808 | acpi_gbl_gpe_fadt_blocks[0] = NULL; | |
809 | acpi_gbl_gpe_fadt_blocks[1] = NULL; | |
1da177e4 LT |
810 | |
811 | /* Global notify handlers */ | |
812 | ||
4be44fcd LB |
813 | acpi_gbl_system_notify.handler = NULL; |
814 | acpi_gbl_device_notify.handler = NULL; | |
815 | acpi_gbl_exception_handler = NULL; | |
816 | acpi_gbl_init_handler = NULL; | |
1da177e4 LT |
817 | |
818 | /* Global "typed" ACPI table pointers */ | |
819 | ||
4be44fcd LB |
820 | acpi_gbl_RSDP = NULL; |
821 | acpi_gbl_XSDT = NULL; | |
822 | acpi_gbl_FACS = NULL; | |
823 | acpi_gbl_FADT = NULL; | |
824 | acpi_gbl_DSDT = NULL; | |
1da177e4 LT |
825 | |
826 | /* Global Lock support */ | |
827 | ||
4be44fcd LB |
828 | acpi_gbl_global_lock_acquired = FALSE; |
829 | acpi_gbl_global_lock_thread_count = 0; | |
830 | acpi_gbl_global_lock_handle = 0; | |
1da177e4 LT |
831 | |
832 | /* Miscellaneous variables */ | |
833 | ||
4be44fcd LB |
834 | acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; |
835 | acpi_gbl_rsdp_original_location = 0; | |
836 | acpi_gbl_cm_single_step = FALSE; | |
837 | acpi_gbl_db_terminate_threads = FALSE; | |
838 | acpi_gbl_shutdown = FALSE; | |
839 | acpi_gbl_ns_lookup_count = 0; | |
840 | acpi_gbl_ps_find_count = 0; | |
841 | acpi_gbl_acpi_hardware_present = TRUE; | |
28f55ebc BM |
842 | acpi_gbl_last_owner_id_index = 0; |
843 | acpi_gbl_next_owner_id_offset = 0; | |
50eca3eb BM |
844 | acpi_gbl_trace_method_name = 0; |
845 | acpi_gbl_trace_dbg_level = 0; | |
846 | acpi_gbl_trace_dbg_layer = 0; | |
4be44fcd LB |
847 | acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
848 | acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; | |
1da177e4 LT |
849 | |
850 | /* Hardware oriented */ | |
851 | ||
4be44fcd LB |
852 | acpi_gbl_events_initialized = FALSE; |
853 | acpi_gbl_system_awake_and_running = TRUE; | |
1da177e4 LT |
854 | |
855 | /* Namespace */ | |
856 | ||
4be44fcd | 857 | acpi_gbl_root_node = NULL; |
1da177e4 LT |
858 | acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
859 | acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; | |
4be44fcd LB |
860 | acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
861 | acpi_gbl_root_node_struct.child = NULL; | |
862 | acpi_gbl_root_node_struct.peer = NULL; | |
863 | acpi_gbl_root_node_struct.object = NULL; | |
864 | acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; | |
1da177e4 LT |
865 | |
866 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd | 867 | acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; |
1da177e4 LT |
868 | #endif |
869 | ||
870 | return_VOID; | |
871 | } |