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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 | ||
184 | /* | |
185 | * Strings supported by the _OSI predefined (internal) method. | |
186 | * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS. | |
187 | */ | |
4be44fcd | 188 | const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = { |
1da177e4 LT |
189 | /* Operating System Vendor Strings */ |
190 | ||
191 | "Linux", | |
192 | "Windows 2000", | |
193 | "Windows 2001", | |
194 | "Windows 2001.1", | |
195 | "Windows 2001 SP0", | |
196 | "Windows 2001 SP1", | |
197 | "Windows 2001 SP2", | |
198 | "Windows 2001 SP3", | |
199 | "Windows 2001 SP4", | |
200 | ||
201 | /* Feature Group Strings */ | |
202 | ||
203 | "Extended Address Space Descriptor" | |
204 | }; | |
205 | ||
44f6c012 | 206 | /******************************************************************************* |
1da177e4 LT |
207 | * |
208 | * Namespace globals | |
209 | * | |
210 | ******************************************************************************/ | |
211 | ||
1da177e4 LT |
212 | /* |
213 | * Predefined ACPI Names (Built-in to the Interpreter) | |
214 | * | |
215 | * NOTES: | |
216 | * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run | |
217 | * during the initialization sequence. | |
218 | * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to | |
219 | * perform a Notify() operation on it. | |
220 | */ | |
0897831b BM |
221 | const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { |
222 | {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
223 | {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
224 | {"_SB_", ACPI_TYPE_DEVICE, NULL}, | |
225 | {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, | |
226 | {"_TZ_", ACPI_TYPE_THERMAL, NULL}, | |
227 | {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, | |
228 | {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, | |
229 | {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, | |
1da177e4 LT |
230 | |
231 | #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) | |
0897831b | 232 | {"_OSI", ACPI_TYPE_METHOD, (char *)1}, |
1da177e4 | 233 | #endif |
1da177e4 | 234 | |
44f6c012 RM |
235 | /* Table terminator */ |
236 | ||
0897831b | 237 | {NULL, ACPI_TYPE_ANY, NULL} |
44f6c012 | 238 | }; |
1da177e4 LT |
239 | |
240 | /* | |
241 | * Properties of the ACPI Object Types, both internal and external. | |
242 | * The table is indexed by values of acpi_object_type | |
243 | */ | |
4be44fcd LB |
244 | const u8 acpi_gbl_ns_properties[] = { |
245 | ACPI_NS_NORMAL, /* 00 Any */ | |
246 | ACPI_NS_NORMAL, /* 01 Number */ | |
247 | ACPI_NS_NORMAL, /* 02 String */ | |
248 | ACPI_NS_NORMAL, /* 03 Buffer */ | |
249 | ACPI_NS_NORMAL, /* 04 Package */ | |
250 | ACPI_NS_NORMAL, /* 05 field_unit */ | |
251 | ACPI_NS_NEWSCOPE, /* 06 Device */ | |
252 | ACPI_NS_NORMAL, /* 07 Event */ | |
253 | ACPI_NS_NEWSCOPE, /* 08 Method */ | |
254 | ACPI_NS_NORMAL, /* 09 Mutex */ | |
255 | ACPI_NS_NORMAL, /* 10 Region */ | |
256 | ACPI_NS_NEWSCOPE, /* 11 Power */ | |
257 | ACPI_NS_NEWSCOPE, /* 12 Processor */ | |
258 | ACPI_NS_NEWSCOPE, /* 13 Thermal */ | |
259 | ACPI_NS_NORMAL, /* 14 buffer_field */ | |
260 | ACPI_NS_NORMAL, /* 15 ddb_handle */ | |
261 | ACPI_NS_NORMAL, /* 16 Debug Object */ | |
262 | ACPI_NS_NORMAL, /* 17 def_field */ | |
263 | ACPI_NS_NORMAL, /* 18 bank_field */ | |
264 | ACPI_NS_NORMAL, /* 19 index_field */ | |
265 | ACPI_NS_NORMAL, /* 20 Reference */ | |
266 | ACPI_NS_NORMAL, /* 21 Alias */ | |
267 | ACPI_NS_NORMAL, /* 22 method_alias */ | |
268 | ACPI_NS_NORMAL, /* 23 Notify */ | |
269 | ACPI_NS_NORMAL, /* 24 Address Handler */ | |
270 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 25 Resource Desc */ | |
271 | ACPI_NS_NEWSCOPE | ACPI_NS_LOCAL, /* 26 Resource Field */ | |
272 | ACPI_NS_NEWSCOPE, /* 27 Scope */ | |
273 | ACPI_NS_NORMAL, /* 28 Extra */ | |
274 | ACPI_NS_NORMAL, /* 29 Data */ | |
275 | ACPI_NS_NORMAL /* 30 Invalid */ | |
1da177e4 LT |
276 | }; |
277 | ||
1da177e4 LT |
278 | /* Hex to ASCII conversion table */ |
279 | ||
4be44fcd LB |
280 | static const char acpi_gbl_hex_to_ascii[] = { |
281 | '0', '1', '2', '3', '4', '5', '6', '7', | |
282 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' | |
44f6c012 RM |
283 | }; |
284 | ||
44f6c012 | 285 | /******************************************************************************* |
1da177e4 LT |
286 | * |
287 | * FUNCTION: acpi_ut_hex_to_ascii_char | |
288 | * | |
289 | * PARAMETERS: Integer - Contains the hex digit | |
290 | * Position - bit position of the digit within the | |
44f6c012 | 291 | * integer (multiple of 4) |
1da177e4 | 292 | * |
44f6c012 | 293 | * RETURN: The converted Ascii character |
1da177e4 | 294 | * |
44f6c012 | 295 | * DESCRIPTION: Convert a hex digit to an Ascii character |
1da177e4 | 296 | * |
44f6c012 | 297 | ******************************************************************************/ |
1da177e4 | 298 | |
4be44fcd | 299 | char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position) |
1da177e4 LT |
300 | { |
301 | ||
302 | return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]); | |
303 | } | |
304 | ||
44f6c012 | 305 | /******************************************************************************* |
1da177e4 LT |
306 | * |
307 | * Table name globals | |
308 | * | |
309 | * NOTE: This table includes ONLY the ACPI tables that the subsystem consumes. | |
310 | * it is NOT an exhaustive list of all possible ACPI tables. All ACPI tables | |
311 | * that are not used by the subsystem are simply ignored. | |
312 | * | |
313 | * Do NOT add any table to this list that is not consumed directly by this | |
44f6c012 | 314 | * subsystem (No MADT, ECDT, SBST, etc.) |
1da177e4 LT |
315 | * |
316 | ******************************************************************************/ | |
317 | ||
4be44fcd | 318 | struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; |
1da177e4 | 319 | |
4be44fcd | 320 | struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = { |
1da177e4 LT |
321 | /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ |
322 | ||
4be44fcd LB |
323 | /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, |
324 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
325 | , | |
326 | /* DSDT 1 */ {DSDT_SIG, DSDT_SIG, (void *)&acpi_gbl_DSDT, | |
327 | sizeof(DSDT_SIG) - 1, | |
328 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE | | |
329 | ACPI_TABLE_EXECUTABLE} | |
330 | , | |
331 | /* FADT 2 */ {FADT_SIG, FADT_SIG, (void *)&acpi_gbl_FADT, | |
332 | sizeof(FADT_SIG) - 1, | |
333 | ACPI_TABLE_PRIMARY | ACPI_TABLE_SINGLE} | |
334 | , | |
335 | /* FACS 3 */ {FACS_SIG, FACS_SIG, (void *)&acpi_gbl_FACS, | |
336 | sizeof(FACS_SIG) - 1, | |
337 | ACPI_TABLE_SECONDARY | ACPI_TABLE_SINGLE} | |
338 | , | |
339 | /* PSDT 4 */ {PSDT_SIG, PSDT_SIG, NULL, sizeof(PSDT_SIG) - 1, | |
340 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
341 | ACPI_TABLE_EXECUTABLE} | |
342 | , | |
343 | /* SSDT 5 */ {SSDT_SIG, SSDT_SIG, NULL, sizeof(SSDT_SIG) - 1, | |
344 | ACPI_TABLE_PRIMARY | ACPI_TABLE_MULTIPLE | | |
345 | ACPI_TABLE_EXECUTABLE} | |
346 | , | |
347 | /* XSDT 6 */ {XSDT_SIG, XSDT_SIG, NULL, sizeof(RSDT_SIG) - 1, | |
348 | ACPI_TABLE_ROOT | ACPI_TABLE_SINGLE} | |
349 | , | |
1da177e4 LT |
350 | }; |
351 | ||
1da177e4 LT |
352 | /****************************************************************************** |
353 | * | |
354 | * Event and Hardware globals | |
355 | * | |
356 | ******************************************************************************/ | |
357 | ||
4be44fcd | 358 | struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { |
1da177e4 LT |
359 | /* Name Parent Register Register Bit Position Register Bit Mask */ |
360 | ||
4be44fcd LB |
361 | /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, |
362 | ACPI_BITPOSITION_TIMER_STATUS, | |
363 | ACPI_BITMASK_TIMER_STATUS}, | |
364 | /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
365 | ACPI_BITPOSITION_BUS_MASTER_STATUS, | |
366 | ACPI_BITMASK_BUS_MASTER_STATUS}, | |
367 | /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
368 | ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, | |
369 | ACPI_BITMASK_GLOBAL_LOCK_STATUS}, | |
370 | /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
371 | ACPI_BITPOSITION_POWER_BUTTON_STATUS, | |
372 | ACPI_BITMASK_POWER_BUTTON_STATUS}, | |
373 | /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
374 | ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, | |
375 | ACPI_BITMASK_SLEEP_BUTTON_STATUS}, | |
376 | /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
377 | ACPI_BITPOSITION_RT_CLOCK_STATUS, | |
378 | ACPI_BITMASK_RT_CLOCK_STATUS}, | |
379 | /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
380 | ACPI_BITPOSITION_WAKE_STATUS, | |
381 | ACPI_BITMASK_WAKE_STATUS}, | |
382 | /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, | |
383 | ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, | |
384 | ACPI_BITMASK_PCIEXP_WAKE_STATUS}, | |
385 | ||
386 | /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
387 | ACPI_BITPOSITION_TIMER_ENABLE, | |
388 | ACPI_BITMASK_TIMER_ENABLE}, | |
389 | /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
390 | ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, | |
391 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
392 | /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
393 | ACPI_BITPOSITION_POWER_BUTTON_ENABLE, | |
394 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
395 | /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
396 | ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, | |
397 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
398 | /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
399 | ACPI_BITPOSITION_RT_CLOCK_ENABLE, | |
400 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
401 | /* ACPI_BITREG_WAKE_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 0, 0}, | |
402 | /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, | |
403 | ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, | |
404 | ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, | |
405 | ||
406 | /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
407 | ACPI_BITPOSITION_SCI_ENABLE, | |
408 | ACPI_BITMASK_SCI_ENABLE}, | |
409 | /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, | |
410 | ACPI_BITPOSITION_BUS_MASTER_RLD, | |
411 | ACPI_BITMASK_BUS_MASTER_RLD}, | |
412 | /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, | |
413 | ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, | |
414 | ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, | |
415 | /* ACPI_BITREG_SLEEP_TYPE_A */ {ACPI_REGISTER_PM1_CONTROL, | |
416 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
417 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
418 | /* ACPI_BITREG_SLEEP_TYPE_B */ {ACPI_REGISTER_PM1_CONTROL, | |
419 | ACPI_BITPOSITION_SLEEP_TYPE_X, | |
420 | ACPI_BITMASK_SLEEP_TYPE_X}, | |
421 | /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, | |
422 | ACPI_BITPOSITION_SLEEP_ENABLE, | |
423 | ACPI_BITMASK_SLEEP_ENABLE}, | |
424 | ||
425 | /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, | |
426 | ACPI_BITPOSITION_ARB_DISABLE, | |
427 | ACPI_BITMASK_ARB_DISABLE} | |
1da177e4 LT |
428 | }; |
429 | ||
4be44fcd LB |
430 | struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { |
431 | /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, | |
432 | ACPI_BITREG_TIMER_ENABLE, | |
433 | ACPI_BITMASK_TIMER_STATUS, | |
434 | ACPI_BITMASK_TIMER_ENABLE}, | |
435 | /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, | |
436 | ACPI_BITREG_GLOBAL_LOCK_ENABLE, | |
437 | ACPI_BITMASK_GLOBAL_LOCK_STATUS, | |
438 | ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, | |
439 | /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, | |
440 | ACPI_BITREG_POWER_BUTTON_ENABLE, | |
441 | ACPI_BITMASK_POWER_BUTTON_STATUS, | |
442 | ACPI_BITMASK_POWER_BUTTON_ENABLE}, | |
443 | /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, | |
444 | ACPI_BITREG_SLEEP_BUTTON_ENABLE, | |
445 | ACPI_BITMASK_SLEEP_BUTTON_STATUS, | |
446 | ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, | |
447 | /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, | |
448 | ACPI_BITREG_RT_CLOCK_ENABLE, | |
449 | ACPI_BITMASK_RT_CLOCK_STATUS, | |
450 | ACPI_BITMASK_RT_CLOCK_ENABLE}, | |
1da177e4 LT |
451 | }; |
452 | ||
44f6c012 | 453 | /******************************************************************************* |
1da177e4 LT |
454 | * |
455 | * FUNCTION: acpi_ut_get_region_name | |
456 | * | |
457 | * PARAMETERS: None. | |
458 | * | |
459 | * RETURN: Status | |
460 | * | |
461 | * DESCRIPTION: Translate a Space ID into a name string (Debug only) | |
462 | * | |
44f6c012 | 463 | ******************************************************************************/ |
1da177e4 LT |
464 | |
465 | /* Region type decoding */ | |
466 | ||
4be44fcd | 467 | const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { |
1da177e4 LT |
468 | /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
469 | "SystemMemory", | |
470 | "SystemIO", | |
471 | "PCI_Config", | |
472 | "EmbeddedControl", | |
473 | "SMBus", | |
474 | "CMOS", | |
475 | "PCIBARTarget", | |
476 | "DataTable" | |
477 | /*! [End] no source code translation !*/ | |
478 | }; | |
479 | ||
4be44fcd | 480 | char *acpi_ut_get_region_name(u8 space_id) |
1da177e4 LT |
481 | { |
482 | ||
4be44fcd | 483 | if (space_id >= ACPI_USER_REGION_BEGIN) { |
1da177e4 | 484 | return ("user_defined_region"); |
4be44fcd | 485 | } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { |
1da177e4 LT |
486 | return ("invalid_space_id"); |
487 | } | |
488 | ||
defba1d8 | 489 | return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); |
1da177e4 LT |
490 | } |
491 | ||
44f6c012 | 492 | /******************************************************************************* |
1da177e4 LT |
493 | * |
494 | * FUNCTION: acpi_ut_get_event_name | |
495 | * | |
496 | * PARAMETERS: None. | |
497 | * | |
498 | * RETURN: Status | |
499 | * | |
500 | * DESCRIPTION: Translate a Event ID into a name string (Debug only) | |
501 | * | |
44f6c012 | 502 | ******************************************************************************/ |
1da177e4 LT |
503 | |
504 | /* Event type decoding */ | |
505 | ||
4be44fcd | 506 | static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { |
0897831b | 507 | /*! [Begin] no source code translation (keep these strings as-is) */ |
1da177e4 | 508 | "PM_Timer", |
0897831b BM |
509 | "GlobalLock", |
510 | "PowerButton", | |
511 | "SleepButton", | |
512 | "RealTimeClock", | |
513 | /*! [End] no source code translation !*/ | |
1da177e4 LT |
514 | }; |
515 | ||
4be44fcd | 516 | char *acpi_ut_get_event_name(u32 event_id) |
1da177e4 LT |
517 | { |
518 | ||
4be44fcd | 519 | if (event_id > ACPI_EVENT_MAX) { |
1da177e4 LT |
520 | return ("invalid_event_iD"); |
521 | } | |
522 | ||
4a90c7e8 | 523 | return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); |
1da177e4 LT |
524 | } |
525 | ||
44f6c012 | 526 | /******************************************************************************* |
1da177e4 LT |
527 | * |
528 | * FUNCTION: acpi_ut_get_type_name | |
529 | * | |
530 | * PARAMETERS: None. | |
531 | * | |
532 | * RETURN: Status | |
533 | * | |
534 | * DESCRIPTION: Translate a Type ID into a name string (Debug only) | |
535 | * | |
44f6c012 | 536 | ******************************************************************************/ |
1da177e4 LT |
537 | |
538 | /* | |
539 | * Elements of acpi_gbl_ns_type_names below must match | |
540 | * one-to-one with values of acpi_object_type | |
541 | * | |
44f6c012 RM |
542 | * The type ACPI_TYPE_ANY (Untyped) is used as a "don't care" when searching; |
543 | * when stored in a table it really means that we have thus far seen no | |
544 | * evidence to indicate what type is actually going to be stored for this entry. | |
1da177e4 | 545 | */ |
4be44fcd | 546 | static const char acpi_gbl_bad_type[] = "UNDEFINED"; |
1da177e4 | 547 | |
44f6c012 RM |
548 | /* Printable names of the ACPI object types */ |
549 | ||
4be44fcd | 550 | static const char *acpi_gbl_ns_type_names[] = { |
0897831b | 551 | /*! [Begin] no source code translation (keep these strings as-is) */ |
1da177e4 LT |
552 | /* 00 */ "Untyped", |
553 | /* 01 */ "Integer", | |
554 | /* 02 */ "String", | |
555 | /* 03 */ "Buffer", | |
556 | /* 04 */ "Package", | |
0897831b | 557 | /* 05 */ "FieldUnit", |
1da177e4 LT |
558 | /* 06 */ "Device", |
559 | /* 07 */ "Event", | |
560 | /* 08 */ "Method", | |
561 | /* 09 */ "Mutex", | |
562 | /* 10 */ "Region", | |
563 | /* 11 */ "Power", | |
564 | /* 12 */ "Processor", | |
565 | /* 13 */ "Thermal", | |
0897831b BM |
566 | /* 14 */ "BufferField", |
567 | /* 15 */ "DdbHandle", | |
568 | /* 16 */ "DebugObject", | |
569 | /* 17 */ "RegionField", | |
570 | /* 18 */ "BankField", | |
571 | /* 19 */ "IndexField", | |
1da177e4 LT |
572 | /* 20 */ "Reference", |
573 | /* 21 */ "Alias", | |
0897831b | 574 | /* 22 */ "MethodAlias", |
1da177e4 | 575 | /* 23 */ "Notify", |
0897831b BM |
576 | /* 24 */ "AddrHandler", |
577 | /* 25 */ "ResourceDesc", | |
578 | /* 26 */ "ResourceFld", | |
1da177e4 LT |
579 | /* 27 */ "Scope", |
580 | /* 28 */ "Extra", | |
581 | /* 29 */ "Data", | |
582 | /* 30 */ "Invalid" | |
0897831b | 583 | /*! [End] no source code translation !*/ |
1da177e4 LT |
584 | }; |
585 | ||
4be44fcd | 586 | char *acpi_ut_get_type_name(acpi_object_type type) |
1da177e4 LT |
587 | { |
588 | ||
4be44fcd | 589 | if (type > ACPI_TYPE_INVALID) { |
4a90c7e8 | 590 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
591 | } |
592 | ||
4a90c7e8 | 593 | return (ACPI_CAST_PTR(char, acpi_gbl_ns_type_names[type])); |
1da177e4 LT |
594 | } |
595 | ||
4be44fcd | 596 | char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) |
1da177e4 LT |
597 | { |
598 | ||
4be44fcd | 599 | if (!obj_desc) { |
1da177e4 LT |
600 | return ("[NULL Object Descriptor]"); |
601 | } | |
602 | ||
4be44fcd | 603 | return (acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc))); |
1da177e4 LT |
604 | } |
605 | ||
44f6c012 | 606 | /******************************************************************************* |
1da177e4 LT |
607 | * |
608 | * FUNCTION: acpi_ut_get_node_name | |
609 | * | |
610 | * PARAMETERS: Object - A namespace node | |
611 | * | |
612 | * RETURN: Pointer to a string | |
613 | * | |
614 | * DESCRIPTION: Validate the node and return the node's ACPI name. | |
615 | * | |
44f6c012 | 616 | ******************************************************************************/ |
1da177e4 | 617 | |
4be44fcd | 618 | char *acpi_ut_get_node_name(void *object) |
1da177e4 | 619 | { |
4be44fcd | 620 | struct acpi_namespace_node *node = (struct acpi_namespace_node *)object; |
1da177e4 LT |
621 | |
622 | /* Must return a string of exactly 4 characters == ACPI_NAME_SIZE */ | |
623 | ||
4be44fcd | 624 | if (!object) { |
1da177e4 LT |
625 | return ("NULL"); |
626 | } | |
627 | ||
628 | /* Check for Root node */ | |
629 | ||
4be44fcd | 630 | if ((object == ACPI_ROOT_OBJECT) || (object == acpi_gbl_root_node)) { |
1da177e4 LT |
631 | return ("\"\\\" "); |
632 | } | |
633 | ||
634 | /* Descriptor must be a namespace node */ | |
635 | ||
4be44fcd | 636 | if (node->descriptor != ACPI_DESC_TYPE_NAMED) { |
1da177e4 LT |
637 | return ("####"); |
638 | } | |
639 | ||
640 | /* Name must be a valid ACPI name */ | |
641 | ||
c51a4de8 | 642 | if (!acpi_ut_valid_acpi_name(node->name.integer)) { |
1da177e4 LT |
643 | return ("????"); |
644 | } | |
645 | ||
646 | /* Return the name */ | |
647 | ||
648 | return (node->name.ascii); | |
649 | } | |
650 | ||
44f6c012 | 651 | /******************************************************************************* |
1da177e4 LT |
652 | * |
653 | * FUNCTION: acpi_ut_get_descriptor_name | |
654 | * | |
655 | * PARAMETERS: Object - An ACPI object | |
656 | * | |
657 | * RETURN: Pointer to a string | |
658 | * | |
659 | * DESCRIPTION: Validate object and return the descriptor type | |
660 | * | |
44f6c012 RM |
661 | ******************************************************************************/ |
662 | ||
663 | /* Printable names of object descriptor types */ | |
1da177e4 | 664 | |
4be44fcd | 665 | static const char *acpi_gbl_desc_type_names[] = { |
0897831b | 666 | /*! [Begin] no source code translation (keep these ASL Keywords as-is) */ |
1da177e4 LT |
667 | /* 00 */ "Invalid", |
668 | /* 01 */ "Cached", | |
669 | /* 02 */ "State-Generic", | |
670 | /* 03 */ "State-Update", | |
671 | /* 04 */ "State-Package", | |
672 | /* 05 */ "State-Control", | |
0897831b BM |
673 | /* 06 */ "State-RootParseScope", |
674 | /* 07 */ "State-ParseScope", | |
675 | /* 08 */ "State-WalkScope", | |
1da177e4 LT |
676 | /* 09 */ "State-Result", |
677 | /* 10 */ "State-Notify", | |
678 | /* 11 */ "State-Thread", | |
679 | /* 12 */ "Walk", | |
680 | /* 13 */ "Parser", | |
681 | /* 14 */ "Operand", | |
682 | /* 15 */ "Node" | |
0897831b | 683 | /*! [End] no source code translation !*/ |
1da177e4 LT |
684 | }; |
685 | ||
4be44fcd | 686 | char *acpi_ut_get_descriptor_name(void *object) |
1da177e4 LT |
687 | { |
688 | ||
4be44fcd | 689 | if (!object) { |
1da177e4 LT |
690 | return ("NULL OBJECT"); |
691 | } | |
692 | ||
4be44fcd | 693 | if (ACPI_GET_DESCRIPTOR_TYPE(object) > ACPI_DESC_TYPE_MAX) { |
defba1d8 | 694 | return (ACPI_CAST_PTR(char, acpi_gbl_bad_type)); |
1da177e4 LT |
695 | } |
696 | ||
defba1d8 BM |
697 | return (ACPI_CAST_PTR(char, |
698 | acpi_gbl_desc_type_names[ACPI_GET_DESCRIPTOR_TYPE | |
699 | (object)])); | |
1da177e4 LT |
700 | |
701 | } | |
702 | ||
1da177e4 LT |
703 | #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) |
704 | /* | |
705 | * Strings and procedures used for debug only | |
706 | */ | |
707 | ||
44f6c012 | 708 | /******************************************************************************* |
1da177e4 LT |
709 | * |
710 | * FUNCTION: acpi_ut_get_mutex_name | |
711 | * | |
44f6c012 | 712 | * PARAMETERS: mutex_id - The predefined ID for this mutex. |
1da177e4 | 713 | * |
44f6c012 RM |
714 | * RETURN: String containing the name of the mutex. Always returns a valid |
715 | * pointer. | |
1da177e4 LT |
716 | * |
717 | * DESCRIPTION: Translate a mutex ID into a name string (Debug only) | |
718 | * | |
44f6c012 | 719 | ******************************************************************************/ |
1da177e4 | 720 | |
4be44fcd | 721 | char *acpi_ut_get_mutex_name(u32 mutex_id) |
1da177e4 LT |
722 | { |
723 | ||
4be44fcd | 724 | if (mutex_id > MAX_MUTEX) { |
1da177e4 LT |
725 | return ("Invalid Mutex ID"); |
726 | } | |
727 | ||
728 | return (acpi_gbl_mutex_names[mutex_id]); | |
729 | } | |
1da177e4 LT |
730 | #endif |
731 | ||
44f6c012 | 732 | /******************************************************************************* |
1da177e4 LT |
733 | * |
734 | * FUNCTION: acpi_ut_valid_object_type | |
735 | * | |
736 | * PARAMETERS: Type - Object type to be validated | |
737 | * | |
44f6c012 | 738 | * RETURN: TRUE if valid object type, FALSE otherwise |
1da177e4 LT |
739 | * |
740 | * DESCRIPTION: Validate an object type | |
741 | * | |
44f6c012 | 742 | ******************************************************************************/ |
1da177e4 | 743 | |
4be44fcd | 744 | u8 acpi_ut_valid_object_type(acpi_object_type type) |
1da177e4 LT |
745 | { |
746 | ||
4be44fcd | 747 | if (type > ACPI_TYPE_LOCAL_MAX) { |
52fc0b02 | 748 | |
1da177e4 LT |
749 | /* Note: Assumes all TYPEs are contiguous (external/local) */ |
750 | ||
751 | return (FALSE); | |
752 | } | |
753 | ||
754 | return (TRUE); | |
755 | } | |
756 | ||
44f6c012 | 757 | /******************************************************************************* |
1da177e4 LT |
758 | * |
759 | * FUNCTION: acpi_ut_init_globals | |
760 | * | |
44f6c012 RM |
761 | * PARAMETERS: None |
762 | * | |
763 | * RETURN: None | |
1da177e4 LT |
764 | * |
765 | * DESCRIPTION: Init library globals. All globals that require specific | |
766 | * initialization should be initialized here! | |
767 | * | |
44f6c012 | 768 | ******************************************************************************/ |
1da177e4 | 769 | |
4be44fcd | 770 | void acpi_ut_init_globals(void) |
1da177e4 | 771 | { |
4be44fcd LB |
772 | acpi_status status; |
773 | u32 i; | |
1da177e4 | 774 | |
4be44fcd | 775 | ACPI_FUNCTION_TRACE("ut_init_globals"); |
1da177e4 | 776 | |
73459f73 RM |
777 | /* Create all memory caches */ |
778 | ||
4be44fcd LB |
779 | status = acpi_ut_create_caches(); |
780 | if (ACPI_FAILURE(status)) { | |
73459f73 RM |
781 | return; |
782 | } | |
1da177e4 LT |
783 | |
784 | /* ACPI table structure */ | |
785 | ||
4be44fcd LB |
786 | for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { |
787 | acpi_gbl_table_lists[i].next = NULL; | |
788 | acpi_gbl_table_lists[i].count = 0; | |
1da177e4 LT |
789 | } |
790 | ||
791 | /* Mutex locked flags */ | |
792 | ||
4be44fcd LB |
793 | for (i = 0; i < NUM_MUTEX; i++) { |
794 | acpi_gbl_mutex_info[i].mutex = NULL; | |
795 | acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; | |
796 | acpi_gbl_mutex_info[i].use_count = 0; | |
1da177e4 LT |
797 | } |
798 | ||
28f55ebc BM |
799 | for (i = 0; i < ACPI_NUM_OWNERID_MASKS; i++) { |
800 | acpi_gbl_owner_id_mask[i] = 0; | |
801 | } | |
802 | acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; /* Last ID is never valid */ | |
803 | ||
1da177e4 LT |
804 | /* GPE support */ |
805 | ||
4be44fcd LB |
806 | acpi_gbl_gpe_xrupt_list_head = NULL; |
807 | acpi_gbl_gpe_fadt_blocks[0] = NULL; | |
808 | acpi_gbl_gpe_fadt_blocks[1] = NULL; | |
1da177e4 LT |
809 | |
810 | /* Global notify handlers */ | |
811 | ||
4be44fcd LB |
812 | acpi_gbl_system_notify.handler = NULL; |
813 | acpi_gbl_device_notify.handler = NULL; | |
814 | acpi_gbl_exception_handler = NULL; | |
815 | acpi_gbl_init_handler = NULL; | |
1da177e4 LT |
816 | |
817 | /* Global "typed" ACPI table pointers */ | |
818 | ||
4be44fcd LB |
819 | acpi_gbl_RSDP = NULL; |
820 | acpi_gbl_XSDT = NULL; | |
821 | acpi_gbl_FACS = NULL; | |
822 | acpi_gbl_FADT = NULL; | |
823 | acpi_gbl_DSDT = NULL; | |
1da177e4 LT |
824 | |
825 | /* Global Lock support */ | |
826 | ||
4be44fcd LB |
827 | acpi_gbl_global_lock_acquired = FALSE; |
828 | acpi_gbl_global_lock_thread_count = 0; | |
829 | acpi_gbl_global_lock_handle = 0; | |
1da177e4 LT |
830 | |
831 | /* Miscellaneous variables */ | |
832 | ||
4be44fcd LB |
833 | acpi_gbl_table_flags = ACPI_PHYSICAL_POINTER; |
834 | acpi_gbl_rsdp_original_location = 0; | |
835 | acpi_gbl_cm_single_step = FALSE; | |
836 | acpi_gbl_db_terminate_threads = FALSE; | |
837 | acpi_gbl_shutdown = FALSE; | |
838 | acpi_gbl_ns_lookup_count = 0; | |
839 | acpi_gbl_ps_find_count = 0; | |
840 | acpi_gbl_acpi_hardware_present = TRUE; | |
28f55ebc BM |
841 | acpi_gbl_last_owner_id_index = 0; |
842 | acpi_gbl_next_owner_id_offset = 0; | |
50eca3eb BM |
843 | acpi_gbl_trace_method_name = 0; |
844 | acpi_gbl_trace_dbg_level = 0; | |
845 | acpi_gbl_trace_dbg_layer = 0; | |
4be44fcd LB |
846 | acpi_gbl_debugger_configuration = DEBUGGER_THREADING; |
847 | acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; | |
1da177e4 LT |
848 | |
849 | /* Hardware oriented */ | |
850 | ||
4be44fcd LB |
851 | acpi_gbl_events_initialized = FALSE; |
852 | acpi_gbl_system_awake_and_running = TRUE; | |
1da177e4 LT |
853 | |
854 | /* Namespace */ | |
855 | ||
4be44fcd | 856 | acpi_gbl_root_node = NULL; |
1da177e4 LT |
857 | acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; |
858 | acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; | |
4be44fcd LB |
859 | acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; |
860 | acpi_gbl_root_node_struct.child = NULL; | |
861 | acpi_gbl_root_node_struct.peer = NULL; | |
862 | acpi_gbl_root_node_struct.object = NULL; | |
863 | acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; | |
1da177e4 LT |
864 | |
865 | #ifdef ACPI_DEBUG_OUTPUT | |
4be44fcd | 866 | acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX; |
1da177e4 LT |
867 | #endif |
868 | ||
869 | return_VOID; | |
870 | } | |
8313524a BM |
871 | |
872 | ACPI_EXPORT_SYMBOL(acpi_dbg_level) | |
873 | ACPI_EXPORT_SYMBOL(acpi_dbg_layer) |