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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 | ||
1da177e4 LT |
46 | #include <acpi/acpi.h> |
47 | #include <acpi/acnamesp.h> | |
48 | ||
49 | #define _COMPONENT ACPI_UTILITIES | |
4be44fcd | 50 | ACPI_MODULE_NAME("utglobal") |
1da177e4 | 51 | |
44f6c012 | 52 | /******************************************************************************* |
1da177e4 LT |
53 | * |
54 | * FUNCTION: acpi_format_exception | |
55 | * | |
56 | * PARAMETERS: Status - The acpi_status code to be formatted | |
57 | * | |
44f6c012 RM |
58 | * RETURN: A string containing the exception text. A valid pointer is |
59 | * always returned. | |
1da177e4 LT |
60 | * |
61 | * DESCRIPTION: This function translates an ACPI exception into an ASCII string. | |
62 | * | |
63 | ******************************************************************************/ | |
4be44fcd | 64 | const char *acpi_format_exception(acpi_status status) |
1da177e4 | 65 | { |
4be44fcd LB |
66 | acpi_status sub_status; |
67 | const char *exception = NULL; | |
1da177e4 | 68 | |
4a90c7e8 | 69 | ACPI_FUNCTION_ENTRY(); |
1da177e4 | 70 | |
4a90c7e8 BM |
71 | /* |
72 | * Status is composed of two parts, a "type" and an actual code | |
73 | */ | |
1da177e4 LT |
74 | sub_status = (status & ~AE_CODE_MASK); |
75 | ||
76 | switch (status & AE_CODE_MASK) { | |
77 | case AE_CODE_ENVIRONMENTAL: | |
78 | ||
79 | if (sub_status <= AE_CODE_ENV_MAX) { | |
4be44fcd | 80 | exception = acpi_gbl_exception_names_env[sub_status]; |
1da177e4 | 81 | } |
44f6c012 | 82 | break; |
1da177e4 LT |
83 | |
84 | case AE_CODE_PROGRAMMER: | |
85 | ||
86 | if (sub_status <= AE_CODE_PGM_MAX) { | |
4be44fcd LB |
87 | exception = |
88 | acpi_gbl_exception_names_pgm[sub_status - 1]; | |
1da177e4 | 89 | } |
44f6c012 | 90 | break; |
1da177e4 LT |
91 | |
92 | case AE_CODE_ACPI_TABLES: | |
93 | ||
94 | if (sub_status <= AE_CODE_TBL_MAX) { | |
4be44fcd LB |
95 | exception = |
96 | acpi_gbl_exception_names_tbl[sub_status - 1]; | |
1da177e4 | 97 | } |
44f6c012 | 98 | break; |
1da177e4 LT |
99 | |
100 | case AE_CODE_AML: | |
101 | ||
102 | if (sub_status <= AE_CODE_AML_MAX) { | |
4be44fcd LB |
103 | exception = |
104 | acpi_gbl_exception_names_aml[sub_status - 1]; | |
1da177e4 | 105 | } |
44f6c012 | 106 | break; |
1da177e4 LT |
107 | |
108 | case AE_CODE_CONTROL: | |
109 | ||
110 | if (sub_status <= AE_CODE_CTRL_MAX) { | |
4be44fcd LB |
111 | exception = |
112 | acpi_gbl_exception_names_ctrl[sub_status - 1]; | |
1da177e4 | 113 | } |
44f6c012 | 114 | break; |
1da177e4 LT |
115 | |
116 | default: | |
44f6c012 | 117 | break; |
1da177e4 LT |
118 | } |
119 | ||
44f6c012 | 120 | if (!exception) { |
52fc0b02 | 121 | |
44f6c012 | 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 | |
147 | /* Debug switch - layer (component) mask */ | |
148 | ||
4be44fcd | 149 | u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; |
4be44fcd | 150 | u32 acpi_gbl_nesting_level = 0; |
1da177e4 LT |
151 | |
152 | /* Debugger globals */ | |
153 | ||
4be44fcd LB |
154 | u8 acpi_gbl_db_terminate_threads = FALSE; |
155 | u8 acpi_gbl_abort_method = FALSE; | |
156 | u8 acpi_gbl_method_executing = FALSE; | |
1da177e4 LT |
157 | |
158 | /* System flags */ | |
159 | ||
4be44fcd | 160 | u32 acpi_gbl_startup_flags = 0; |
1da177e4 LT |
161 | |
162 | /* System starts uninitialized */ | |
163 | ||
4be44fcd | 164 | u8 acpi_gbl_shutdown = TRUE; |
1da177e4 | 165 | |
4be44fcd | 166 | const u8 acpi_gbl_decode_to8bit[8] = { 1, 2, 4, 8, 16, 32, 64, 128 }; |
1da177e4 | 167 | |
4be44fcd | 168 | const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { |
1da177e4 LT |
169 | "\\_S0_", |
170 | "\\_S1_", | |
171 | "\\_S2_", | |
172 | "\\_S3_", | |
173 | "\\_S4_", | |
174 | "\\_S5_" | |
175 | }; | |
176 | ||
4be44fcd | 177 | const char *acpi_gbl_highest_dstate_names[4] = { |
1da177e4 LT |
178 | "_S1D", |
179 | "_S2D", | |
180 | "_S3D", | |
181 | "_S4D" | |
182 | }; | |
183 | ||
44f6c012 | 184 | /******************************************************************************* |
1da177e4 LT |
185 | * |
186 | * Namespace globals | |
187 | * | |
188 | ******************************************************************************/ | |
189 | ||
1da177e4 LT |
190 | /* |
191 | * Predefined ACPI Names (Built-in to the Interpreter) | |
192 | * | |
193 | * NOTES: | |
194 | * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run | |
195 | * during the initialization sequence. | |
196 | * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to | |
197 | * perform a Notify() operation on it. | |
198 | */ | |
0897831b BM |
199 | const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { |
200 | {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
201 | {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
202 | {"_SB_", ACPI_TYPE_DEVICE, NULL}, | |
203 | {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
204 | {"_TZ_", ACPI_TYPE_THERMAL, NULL}, | |
205 | {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, | |
206 | {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, | |
207 | {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, | |
1da177e4 LT |
208 | |
209 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
0897831b | 210 | {"_OSI", ACPI_TYPE_METHOD, (char *)1}, |
1da177e4 | 211 | #endif |
1da177e4 | 212 | |
44f6c012 RM |
213 | /* Table terminator */ |
214 | ||
0897831b | 215 | {NULL, ACPI_TYPE_ANY, NULL} |
44f6c012 | 216 | }; |
1da177e4 LT |
217 | |
218 | /* | |
219 | * Properties of the ACPI Object Types, both internal and external. | |
220 | * The table is indexed by values of acpi_object_type | |
221 | */ | |
4be44fcd LB |
222 | const u8 acpi_gbl_ns_properties[] = { |
223 | ACPI_NS_NORMAL, /* 00 Any */ | |
224 | ACPI_NS_NORMAL, /* 01 Number */ | |
225 | ACPI_NS_NORMAL, /* 02 String */ | |
226 | ACPI_NS_NORMAL, /* 03 Buffer */ | |
227 | ACPI_NS_NORMAL, /* 04 Package */ | |
228 | ACPI_NS_NORMAL, /* 05 field_unit */ | |
229 | ACPI_NS_NEWSCOPE, /* 06 Device */ | |
230 | ACPI_NS_NORMAL, /* 07 Event */ | |
231 | ACPI_NS_NEWSCOPE, /* 08 Method */ | |
232 | ACPI_NS_NORMAL, /* 09 Mutex */ | |
233 | ACPI_NS_NORMAL, /* 10 Region */ | |
234 | ACPI_NS_NEWSCOPE, /* 11 Power */ | |
235 | ACPI_NS_NEWSCOPE, /* 12 Processor */ | |
236 | ACPI_NS_NEWSCOPE, /* 13 Thermal */ | |
237 | ACPI_NS_NORMAL, /* 14 buffer_field */ | |
238 | ACPI_NS_NORMAL, /* 15 ddb_handle */ | |
239 | ACPI_NS_NORMAL, /* 16 Debug Object */ | |
240 | ACPI_NS_NORMAL, /* 17 def_field */ | |
241 | ACPI_NS_NORMAL, /* 18 bank_field */ | |
242 | ACPI_NS_NORMAL, /* 19 index_field */ | |
243 | ACPI_NS_NORMAL, /* 20 Reference */ | |
244 | ACPI_NS_NORMAL, /* 21 Alias */ | |
245 | ACPI_NS_NORMAL, /* 22 method_alias */ | |
246 | ACPI_NS_NORMAL, /* 23 Notify */ | |
247 | ACPI_NS_NORMAL, /* 24 Address Handler */ | |
248 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ | |
249 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ | |
250 | ACPI_NS_NEWSCOPE, /* 27 Scope */ | |
251 | ACPI_NS_NORMAL, /* 28 Extra */ | |
252 | ACPI_NS_NORMAL, /* 29 Data */ | |
253 | ACPI_NS_NORMAL /* 30 Invalid */ | |
1da177e4 LT |
254 | }; |
255 | ||
1da177e4 LT |
256 | /* Hex to ASCII conversion table */ |
257 | ||
4be44fcd LB |
258 | static const char acpi_gbl_hex_to_ascii[] = { |
259 | '0', '1', '2', '3', '4', '5', '6', '7', | |
260 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' | |
44f6c012 RM |
261 | }; |
262 | ||
44f6c012 | 263 | /******************************************************************************* |
1da177e4 LT |
264 | * |
265 | * FUNCTION: acpi_ut_hex_to_ascii_char | |
266 | * | |
267 | * PARAMETERS: Integer - Contains the hex digit | |
268 | * Position - bit position of the digit within the | |
44f6c012 | 269 | * integer (multiple of 4) |
1da177e4 | 270 | * |
44f6c012 | 271 | * RETURN: The converted Ascii character |
1da177e4 | 272 | * |
44f6c012 | 273 | * DESCRIPTION: Convert a hex digit to an Ascii character |
1da177e4 | 274 | * |
44f6c012 | 275 | ******************************************************************************/ |
1da177e4 | 276 | |
4be44fcd | 277 | char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) |
1da177e4 LT |
278 | { |
279 | ||
280 | return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); | |
281 | } | |
282 | ||
44f6c012 | 283 | /******************************************************************************* |
1da177e4 LT |
284 | * |
285 | * Table name globals | |
286 | * | |
287 | * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. | |
288 | * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables | |
289 | * that are not used by the subsystem are simply ignored. | |
290 | * | |
291 | * Do NOT add any table to this list that is not consumed directly by this | |
44f6c012 | 292 | * subsystem (No MADT, ECDT, SBST, etc.) |
1da177e4 LT |
293 | * |
294 | ******************************************************************************/ | |
295 | ||
b229cf92 | 296 | struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1]; |
1da177e4 | 297 | |
b229cf92 | 298 | struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1] = { |
1da177e4 LT |
299 | /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ |
300 | ||
4be44fcd LB |
301 | /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, |
302 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
303 | , | |
304 | /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT, | |
305 | sizeof(DSDT_SIG) - 1, | |
306 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE | | |
307 | ACPI_TABLE_EXECUTABLE} | |
308 | , | |
309 | /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT, | |
310 | sizeof(FADT_SIG) - 1, | |
311 | ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE} | |
312 | , | |
313 | /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS, | |
314 | sizeof(FACS_SIG) - 1, | |
315 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE} | |
316 | , | |
317 | /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1, | |
318 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
319 | ACPI_TABLE_EXECUTABLE} | |
320 | , | |
321 | /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1, | |
322 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
323 | ACPI_TABLE_EXECUTABLE} | |
324 | , | |
325 | /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1, | |
326 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
327 | , | |
1da177e4 LT |
328 | }; |
329 | ||
1da177e4 LT |
330 | /****************************************************************************** |
331 | * | |
332 | * Event and Hardware globals | |
333 | * | |
334 | ******************************************************************************/ | |
335 | ||
4be44fcd | 336 | struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { |
1da177e4 LT |
337 | /* Name Parent Register Register Bit Position Register Bit Mask */ |
338 | ||
4be44fcd LB |
339 | /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, |
340 | ACPI_BITPOSITION_TIMER_STATUS, | |
341 | ACPI_BITMASK_TIMER_STATUS}, | |
342 | /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
343 | ACPI_BITPOSITION_BUS_MASTER_STATUS, | |
344 | ACPI_BITMASK_BUS_MASTER_STATUS}, | |
345 | /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
346 | ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, | |
347 | ACPI_BITMASK_GLOBAL_LOCK_STATUS}, | |
348 | /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
349 | ACPI_BITPOSITION_POWER_BUTTON_STATUS, | |
350 | ACPI_BITMASK_POWER_BUTTON_STATUS}, | |
351 | /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
352 | ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, | |
353 | ACPI_BITMASK_SLEEP_BUTTON_STATUS}, | |
354 | /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
355 | ACPI_BITPOSITION_RT_CLOCK_STATUS, | |
356 | ACPI_BITMASK_RT_CLOCK_STATUS}, | |
357 | /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
358 | ACPI_BITPOSITION_WAKE_STATUS, | |
359 | ACPI_BITMASK_WAKE_STATUS}, | |
360 | /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
361 | ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, | |
362 | ACPI_BITMASK_PCIEXP_WAKE_STATUS}, | |
363 | ||
364 | /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
365 | ACPI_BITPOSITION_TIMER_ENABLE, | |
366 | ACPI_BITMASK_TIMER_ENABLE}, | |
367 | /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
368 | ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, | |
369 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
370 | /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
371 | ACPI_BITPOSITION_POWER_BUTTON_ENABLE, | |
372 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
373 | /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
374 | ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, | |
375 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
376 | /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
377 | ACPI_BITPOSITION_RT_CLOCK_ENABLE, | |
378 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
379 | /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, | |
380 | /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
381 | ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, | |
382 | ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, | |
383 | ||
384 | /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
385 | ACPI_BITPOSITION_SCI_ENABLE, | |
386 | ACPI_BITMASK_SCI_ENABLE}, | |
387 | /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, | |
388 | ACPI_BITPOSITION_BUS_MASTER_RLD, | |
389 | ACPI_BITMASK_BUS_MASTER_RLD}, | |
390 | /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, | |
391 | ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, | |
392 | ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, | |
393 | /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, | |
394 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
395 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
396 | /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, | |
397 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
398 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
399 | /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
400 | ACPI_BITPOSITION_SLEEP_ENABLE, | |
401 | ACPI_BITMASK_SLEEP_ENABLE}, | |
402 | ||
403 | /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, | |
404 | ACPI_BITPOSITION_ARB_DISABLE, | |
405 | ACPI_BITMASK_ARB_DISABLE} | |
1da177e4 LT |
406 | }; |
407 | ||
4be44fcd LB |
408 | struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { |
409 | /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, | |
410 | ACPI_BITREG_TIMER_ENABLE, | |
411 | ACPI_BITMASK_TIMER_STATUS, | |
412 | ACPI_BITMASK_TIMER_ENABLE}, | |
413 | /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, | |
414 | ACPI_BITREG_GLOBAL_LOCK_ENABLE, | |
415 | ACPI_BITMASK_GLOBAL_LOCK_STATUS, | |
416 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
417 | /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, | |
418 | ACPI_BITREG_POWER_BUTTON_ENABLE, | |
419 | ACPI_BITMASK_POWER_BUTTON_STATUS, | |
420 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
421 | /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, | |
422 | ACPI_BITREG_SLEEP_BUTTON_ENABLE, | |
423 | ACPI_BITMASK_SLEEP_BUTTON_STATUS, | |
424 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
425 | /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, | |
426 | ACPI_BITREG_RT_CLOCK_ENABLE, | |
427 | ACPI_BITMASK_RT_CLOCK_STATUS, | |
428 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
1da177e4 LT |
429 | }; |
430 | ||
44f6c012 | 431 | /******************************************************************************* |
1da177e4 LT |
432 | * |
433 | * FUNCTION: acpi_ut_get_region_name | |
434 | * | |
435 | * PARAMETERS: None. | |
436 | * | |
437 | * RETURN: Status | |
438 | * | |
439 | * DESCRIPTION: Translate a Space ID into a name string (Debug only) | |
440 | * | |
44f6c012 | 441 | ******************************************************************************/ |
1da177e4 LT |
442 | |
443 | /* Region type decoding */ | |
444 | ||
4be44fcd | 445 | const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { |
1da177e4 LT |
446 | "SystemMemory", |
447 | "SystemIO", | |
448 | "PCI_Config", | |
449 | "EmbeddedControl", | |
450 | "SMBus", | |
451 | "CMOS", | |
452 | "PCIBARTarget", | |
453 | "DataTable" | |
1da177e4 LT |
454 | }; |
455 | ||
4be44fcd | 456 | char *acpi_ut_get_region_name(u8 space_id) |
1da177e4 LT |
457 | { |
458 | ||
4be44fcd | 459 | if (space_id >= ACPI_USER_REGION_BEGIN) { |
b229cf92 | 460 | return ("UserDefinedRegion"); |
4be44fcd | 461 | } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { |
b229cf92 | 462 | return ("InvalidSpaceId"); |
1da177e4 LT |
463 | } |
464 | ||
defba1d8 | 465 | return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); |
1da177e4 LT |
466 | } |
467 | ||
44f6c012 | 468 | /******************************************************************************* |
1da177e4 LT |
469 | * |
470 | * FUNCTION: acpi_ut_get_event_name | |
471 | * | |
472 | * PARAMETERS: None. | |
473 | * | |
474 | * RETURN: Status | |
475 | * | |
476 | * DESCRIPTION: Translate a Event ID into a name string (Debug only) | |
477 | * | |
44f6c012 | 478 | ******************************************************************************/ |
1da177e4 LT |
479 | |
480 | /* Event type decoding */ | |
481 | ||
4be44fcd | 482 | static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { |
1da177e4 | 483 | "PM_Timer", |
0897831b BM |
484 | "GlobalLock", |
485 | "PowerButton", | |
486 | "SleepButton", | |
487 | "RealTimeClock", | |
1da177e4 LT |
488 | }; |
489 | ||
4be44fcd | 490 | char *acpi_ut_get_event_name(u32 event_id) |
1da177e4 LT |
491 | { |
492 | ||
4be44fcd | 493 | if (event_id > ACPI_EVENT_MAX) { |
b229cf92 | 494 | return ("InvalidEventID"); |
1da177e4 LT |
495 | } |
496 | ||
4a90c7e8 | 497 | return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); |
1da177e4 LT |
498 | } |
499 | ||
44f6c012 | 500 | /******************************************************************************* |
1da177e4 LT |
501 | * |
502 | * FUNCTION: acpi_ut_get_type_name | |
503 | * | |
504 | * PARAMETERS: None. | |
505 | * | |
506 | * RETURN: Status | |
507 | * | |
508 | * DESCRIPTION: Translate a Type ID into a name string (Debug only) | |
509 | * | |
44f6c012 | 510 | ******************************************************************************/ |
1da177e4 LT |
511 | |
512 | /* | |
513 | * Elements of acpi_gbl_ns_type_names below must match | |
514 | * one-to-one with values of acpi_object_type | |
515 | * | |
44f6c012 RM |
516 | * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
517 | * when stored in a table it really means that we have thus far seen no | |
518 | * evidence to indicate what type is actually going to be stored for this entry. | |
1da177e4 | 519 | */ |
4be44fcd | 520 | static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
1da177e4 | 521 | |
44f6c012 RM |
522 | /* Printable names of the ACPI object types */ |
523 | ||
4be44fcd | 524 | static const char *acpi_gbl_ns_type_names[] = { |
1da177e4 LT |
525 | /* 00 */ "Untyped", |
526 | /* 01 */ "Integer", | |
527 | /* 02 */ "String", | |
528 | /* 03 */ "Buffer", | |
529 | /* 04 */ "Package", | |
0897831b | 530 | /* 05 */ "FieldUnit", |
1da177e4 LT |
531 | /* 06 */ "Device", |
532 | /* 07 */ "Event", | |
533 | /* 08 */ "Method", | |
534 | /* 09 */ "Mutex", | |
535 | /* 10 */ "Region", | |
536 | /* 11 */ "Power", | |
537 | /* 12 */ "Processor", | |
538 | /* 13 */ "Thermal", | |
0897831b BM |
539 | /* 14 */ "BufferField", |
540 | /* 15 */ "DdbHandle", | |
541 | /* 16 */ "DebugObject", | |
542 | /* 17 */ "RegionField", | |
543 | /* 18 */ "BankField", | |
544 | /* 19 */ "IndexField", | |
1da177e4 LT |
545 | /* 20 */ "Reference", |
546 | /* 21 */ "Alias", | |
0897831b | 547 | /* 22 */ "MethodAlias", |
1da177e4 | 548 | /* 23 */ "Notify", |
0897831b BM |
549 | /* 24 */ "AddrHandler", |
550 | /* 25 */ "ResourceDesc", | |
551 | /* 26 */ "ResourceFld", | |
1da177e4 LT |
552 | /* 27 */ "Scope", |
553 | /* 28 */ "Extra", | |
554 | /* 29 */ "Data", | |
555 | /* 30 */ "Invalid" | |
556 | }; | |
557 | ||
4be44fcd | 558 | char *acpi_ut_get_type_name(acpi_object_type type) |
1da177e4 LT |
559 | { |
560 | ||
4be44fcd | 561 | if (type > ACPI_TYPE_INVALID) { |
4a90c7e8 | 562 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
563 | } |
564 | ||
4a90c7e8 | 565 | return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); |
1da177e4 LT |
566 | } |
567 | ||
4be44fcd | 568 | char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) |
1da177e4 LT |
569 | { |
570 | ||
4be44fcd | 571 | if (!obj_desc) { |
1da177e4 LT |
572 | return ("[NULL Object Descriptor]"); |
573 | } | |
574 | ||
4be44fcd | 575 | return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); |
1da177e4 LT |
576 | } |
577 | ||
44f6c012 | 578 | /******************************************************************************* |
1da177e4 LT |
579 | * |
580 | * FUNCTION: acpi_ut_get_node_name | |
581 | * | |
582 | * PARAMETERS: Object - A namespace node | |
583 | * | |
584 | * RETURN: Pointer to a string | |
585 | * | |
586 | * DESCRIPTION: Validate the node and return the node's ACPI name. | |
587 | * | |
44f6c012 | 588 | ******************************************************************************/ |
1da177e4 | 589 | |
4be44fcd | 590 | char *acpi_ut_get_node_name(void *object) |
1da177e4 | 591 | { |
4be44fcd | 592 | struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; |
1da177e4 LT |
593 | |
594 | /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ | |
595 | ||
4be44fcd | 596 | if (!object) { |
1da177e4 LT |
597 | return ("NULL"); |
598 | } | |
599 | ||
600 | /* Check for Root node */ | |
601 | ||
4be44fcd | 602 | if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { |
1da177e4 LT |
603 | return ("\"\\\" "); |
604 | } | |
605 | ||
606 | /* Descriptor must be a namespace node */ | |
607 | ||
61686124 | 608 | if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { |
1da177e4 LT |
609 | return ("####"); |
610 | } | |
611 | ||
612 | /* Name must be a valid ACPI name */ | |
613 | ||
c51a4de8 | 614 | if (!acpi_ut_valid_acpi_name(node->name.integer)) { |
793c2388 | 615 | node->name.integer = acpi_ut_repair_name(node->name.integer); |
1da177e4 LT |
616 | } |
617 | ||
618 | /* Return the name */ | |
619 | ||
620 | return (node->name.ascii); | |
621 | } | |
622 | ||
44f6c012 | 623 | /******************************************************************************* |
1da177e4 LT |
624 | * |
625 | * FUNCTION: acpi_ut_get_descriptor_name | |
626 | * | |
627 | * PARAMETERS: Object - An ACPI object | |
628 | * | |
629 | * RETURN: Pointer to a string | |
630 | * | |
631 | * DESCRIPTION: Validate object and return the descriptor type | |
632 | * | |
44f6c012 RM |
633 | ******************************************************************************/ |
634 | ||
635 | /* Printable names of object descriptor types */ | |
1da177e4 | 636 | |
4be44fcd | 637 | static const char *acpi_gbl_desc_type_names[] = { |
1da177e4 LT |
638 | /* 00 */ "Invalid", |
639 | /* 01 */ "Cached", | |
640 | /* 02 */ "State-Generic", | |
641 | /* 03 */ "State-Update", | |
642 | /* 04 */ "State-Package", | |
643 | /* 05 */ "State-Control", | |
0897831b BM |
644 | /* 06 */ "State-RootParseScope", |
645 | /* 07 */ "State-ParseScope", | |
646 | /* 08 */ "State-WalkScope", | |
1da177e4 LT |
647 | /* 09 */ "State-Result", |
648 | /* 10 */ "State-Notify", | |
649 | /* 11 */ "State-Thread", | |
650 | /* 12 */ "Walk", | |
651 | /* 13 */ "Parser", | |
652 | /* 14 */ "Operand", | |
653 | /* 15 */ "Node" | |
654 | }; | |
655 | ||
4be44fcd | 656 | char *acpi_ut_get_descriptor_name(void *object) |
1da177e4 LT |
657 | { |
658 | ||
4be44fcd | 659 | if (!object) { |
1da177e4 LT |
660 | return ("NULL OBJECT"); |
661 | } | |
662 | ||
4be44fcd | 663 | if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { |
defba1d8 | 664 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
665 | } |
666 | ||
defba1d8 BM |
667 | return (ACPI_CAST_PTR(char, |
668 | acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE | |
669 | (object)])); | |
1da177e4 LT |
670 | |
671 | } | |
672 | ||
1da177e4 LT |
673 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
674 | /* | |
675 | * Strings and procedures used for debug only | |
676 | */ | |
677 | ||
44f6c012 | 678 | /******************************************************************************* |
1da177e4 LT |
679 | * |
680 | * FUNCTION: acpi_ut_get_mutex_name | |
681 | * | |
44f6c012 | 682 | * PARAMETERS: mutex_id - The predefined ID for this mutex. |
1da177e4 | 683 | * |
44f6c012 RM |
684 | * RETURN: String containing the name of the mutex. Always returns a valid |
685 | * pointer. | |
1da177e4 LT |
686 | * |
687 | * DESCRIPTION: Translate a mutex ID into a name string (Debug only) | |
688 | * | |
44f6c012 | 689 | ******************************************************************************/ |
1da177e4 | 690 | |
4be44fcd | 691 | char *acpi_ut_get_mutex_name(u32 mutex_id) |
1da177e4 LT |
692 | { |
693 | ||
4c90ece2 | 694 | if (mutex_id > ACPI_MAX_MUTEX) { |
1da177e4 LT |
695 | return ("Invalid Mutex ID"); |
696 | } | |
697 | ||
698 | return (acpi_gbl_mutex_names[mutex_id]); | |
699 | } | |
1da177e4 LT |
700 | #endif |
701 | ||
44f6c012 | 702 | /******************************************************************************* |
1da177e4 LT |
703 | * |
704 | * FUNCTION: acpi_ut_valid_object_type | |
705 | * | |
706 | * PARAMETERS: Type - Object type to be validated | |
707 | * | |
44f6c012 | 708 | * RETURN: TRUE if valid object type, FALSE otherwise |
1da177e4 LT |
709 | * |
710 | * DESCRIPTION: Validate an object type | |
711 | * | |
44f6c012 | 712 | ******************************************************************************/ |
1da177e4 | 713 | |
4be44fcd | 714 | u8 acpi_ut_valid_object_type(acpi_object_type type) |
1da177e4 LT |
715 | { |
716 | ||
4be44fcd | 717 | if (type > ACPI_TYPE_LOCAL_MAX) { |
52fc0b02 | 718 | |
1da177e4 LT |
719 | /* Note: Assumes all TYPEs are contiguous (external/local) */ |
720 | ||
721 | return (FALSE); | |
722 | } | |
723 | ||
724 | return (TRUE); | |
725 | } | |
726 | ||
44f6c012 | 727 | /******************************************************************************* |
1da177e4 LT |
728 | * |
729 | * FUNCTION: acpi_ut_init_globals | |
730 | * | |
44f6c012 RM |
731 | * PARAMETERS: None |
732 | * | |
733 | * RETURN: None | |
1da177e4 LT |
734 | * |
735 | * DESCRIPTION: Init library globals. All globals that require specific | |
736 | * initialization should be initialized here! | |
737 | * | |
44f6c012 | 738 | ******************************************************************************/ |
1da177e4 | 739 | |
4be44fcd | 740 | void acpi_ut_init_globals(void) |
1da177e4 | 741 | { |
4be44fcd LB |
742 | acpi_status status; |
743 | u32 i; | |
1da177e4 | 744 | |
b229cf92 | 745 | ACPI_FUNCTION_TRACE(ut_init_globals); |
1da177e4 | 746 | |
73459f73 RM |
747 | /* Create all memory caches */ |
748 | ||
4be44fcd LB |
749 | status = acpi_ut_create_caches(); |
750 | if (ACPI_FAILURE(status)) { | |
73459f73 RM |
751 | return; |
752 | } | |
1da177e4 LT |
753 | |
754 | /* ACPI table structure */ | |
755 | ||
b229cf92 | 756 | for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) { |
4be44fcd LB |
757 | acpi_gbl_table_lists[i].next = NULL; |
758 | acpi_gbl_table_lists[i].count = 0; | |
1da177e4 LT |
759 | } |
760 | ||
761 | /* Mutex locked flags */ | |
762 | ||
4c90ece2 | 763 | for (i = 0; i < ACPI_NUM_MUTEX; i++) { |
4be44fcd LB |
764 | acpi_gbl_mutex_info[i].mutex = NULL; |
765 | acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; | |
766 | acpi_gbl_mutex_info[i].use_count = 0; | |
1da177e4 LT |
767 | } |
768 | ||
28f55ebc BM |
769 | for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { |
770 | acpi_gbl_owner_id_mask[i] = 0; | |
771 | } | |
772 | acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ | |
773 | ||
1da177e4 LT |
774 | /* GPE support */ |
775 | ||
4be44fcd LB |
776 | acpi_gbl_gpe_xrupt_list_head = NULL; |
777 | acpi_gbl_gpe_fadt_blocks[0] = NULL; | |
778 | acpi_gbl_gpe_fadt_blocks[1] = NULL; | |
1da177e4 LT |
779 | |
780 | /* Global notify handlers */ | |
781 | ||
4be44fcd LB |
782 | acpi_gbl_system_notify.handler = NULL; |
783 | acpi_gbl_device_notify.handler = NULL; | |
784 | acpi_gbl_exception_handler = NULL; | |
785 | acpi_gbl_init_handler = NULL; | |
1da177e4 LT |
786 | |
787 | /* Global "typed" ACPI table pointers */ | |
788 | ||
4be44fcd LB |
789 | acpi_gbl_RSDP = NULL; |
790 | acpi_gbl_XSDT = NULL; | |
791 | acpi_gbl_FACS = NULL; | |
792 | acpi_gbl_FADT = NULL; | |
793 | acpi_gbl_DSDT = NULL; | |
1da177e4 LT |
794 | |
795 | /* Global Lock support */ | |
796 | ||
4be44fcd LB |
797 | acpi_gbl_global_lock_acquired = FALSE; |
798 | acpi_gbl_global_lock_thread_count = 0; | |
799 | acpi_gbl_global_lock_handle = 0; | |
1da177e4 LT |
800 | |
801 | /* Miscellaneous variables */ | |
802 | ||
4be44fcd LB |
803 | acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; |
804 | acpi_gbl_rsdp_original_location = 0; | |
805 | acpi_gbl_cm_single_step = FALSE; | |
806 | acpi_gbl_db_terminate_threads = FALSE; | |
807 | acpi_gbl_shutdown = FALSE; | |
808 | acpi_gbl_ns_lookup_count = 0; | |
809 | acpi_gbl_ps_find_count = 0; | |
810 | acpi_gbl_acpi_hardware_present = TRUE; | |
28f55ebc BM |
811 | acpi_gbl_last_owner_id_index = 0; |
812 | acpi_gbl_next_owner_id_offset = 0; | |
50eca3eb BM |
813 | acpi_gbl_trace_method_name = 0; |
814 | acpi_gbl_trace_dbg_level = 0; | |
815 | acpi_gbl_trace_dbg_layer = 0; | |
4be44fcd LB |
816 | acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
817 | acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; | |
1da177e4 LT |
818 | |
819 | /* Hardware oriented */ | |
820 | ||
4be44fcd LB |
821 | acpi_gbl_events_initialized = FALSE; |
822 | acpi_gbl_system_awake_and_running = TRUE; | |
1da177e4 LT |
823 | |
824 | /* Namespace */ | |
825 | ||
4be44fcd | 826 | acpi_gbl_root_node = NULL; |
1da177e4 | 827 | acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
61686124 | 828 | acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; |
4be44fcd LB |
829 | acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
830 | acpi_gbl_root_node_struct.child = NULL; | |
831 | acpi_gbl_root_node_struct.peer = NULL; | |
832 | acpi_gbl_root_node_struct.object = NULL; | |
833 | acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; | |
1da177e4 LT |
834 | |
835 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd | 836 | acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; |
1da177e4 LT |
837 | #endif |
838 | ||
839 | return_VOID; | |
840 | } | |
8313524a BM |
841 | |
842 | ACPI_EXPORT_SYMBOL(acpi_dbg_level) | |
843 | ACPI_EXPORT_SYMBOL(acpi_dbg_layer) |