diff options
author | Len Brown <len.brown@intel.com> | 2009-01-09 00:13:17 -0500 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2009-01-09 03:30:47 -0500 |
commit | 95b482a8d31116f3f5c2a5089569393234d06385 (patch) | |
tree | f32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/acpica/utxface.c | |
parent | 6620e0c49f577454b772fb381543d60ae53eb885 (diff) |
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/utxface.c')
-rw-r--r-- | drivers/acpi/acpica/utxface.c | 512 |
1 files changed, 512 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c new file mode 100644 index 000000000000..5b27724a2749 --- /dev/null +++ b/drivers/acpi/acpica/utxface.c | |||
@@ -0,0 +1,512 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * Module Name: utxface - External interfaces for "global" ACPI functions | ||
4 | * | ||
5 | *****************************************************************************/ | ||
6 | |||
7 | /* | ||
8 | * Copyright (C) 2000 - 2008, Intel Corp. | ||
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 | #include <acpi/acpi.h> | ||
45 | #include <acpi/accommon.h> | ||
46 | #include <acpi/acevents.h> | ||
47 | #include <acpi/acnamesp.h> | ||
48 | #include <acpi/acdebug.h> | ||
49 | #include <acpi/actables.h> | ||
50 | |||
51 | #define _COMPONENT ACPI_UTILITIES | ||
52 | ACPI_MODULE_NAME("utxface") | ||
53 | |||
54 | #ifndef ACPI_ASL_COMPILER | ||
55 | /******************************************************************************* | ||
56 | * | ||
57 | * FUNCTION: acpi_initialize_subsystem | ||
58 | * | ||
59 | * PARAMETERS: None | ||
60 | * | ||
61 | * RETURN: Status | ||
62 | * | ||
63 | * DESCRIPTION: Initializes all global variables. This is the first function | ||
64 | * called, so any early initialization belongs here. | ||
65 | * | ||
66 | ******************************************************************************/ | ||
67 | acpi_status __init acpi_initialize_subsystem(void) | ||
68 | { | ||
69 | acpi_status status; | ||
70 | |||
71 | ACPI_FUNCTION_TRACE(acpi_initialize_subsystem); | ||
72 | |||
73 | acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE; | ||
74 | ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace()); | ||
75 | |||
76 | /* Initialize the OS-Dependent layer */ | ||
77 | |||
78 | status = acpi_os_initialize(); | ||
79 | if (ACPI_FAILURE(status)) { | ||
80 | ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization")); | ||
81 | return_ACPI_STATUS(status); | ||
82 | } | ||
83 | |||
84 | /* Initialize all globals used by the subsystem */ | ||
85 | |||
86 | status = acpi_ut_init_globals(); | ||
87 | if (ACPI_FAILURE(status)) { | ||
88 | ACPI_EXCEPTION((AE_INFO, status, | ||
89 | "During initialization of globals")); | ||
90 | return_ACPI_STATUS(status); | ||
91 | } | ||
92 | |||
93 | /* Create the default mutex objects */ | ||
94 | |||
95 | status = acpi_ut_mutex_initialize(); | ||
96 | if (ACPI_FAILURE(status)) { | ||
97 | ACPI_EXCEPTION((AE_INFO, status, | ||
98 | "During Global Mutex creation")); | ||
99 | return_ACPI_STATUS(status); | ||
100 | } | ||
101 | |||
102 | /* | ||
103 | * Initialize the namespace manager and | ||
104 | * the root of the namespace tree | ||
105 | */ | ||
106 | status = acpi_ns_root_initialize(); | ||
107 | if (ACPI_FAILURE(status)) { | ||
108 | ACPI_EXCEPTION((AE_INFO, status, | ||
109 | "During Namespace initialization")); | ||
110 | return_ACPI_STATUS(status); | ||
111 | } | ||
112 | |||
113 | /* If configured, initialize the AML debugger */ | ||
114 | |||
115 | ACPI_DEBUGGER_EXEC(status = acpi_db_initialize()); | ||
116 | return_ACPI_STATUS(status); | ||
117 | } | ||
118 | |||
119 | /******************************************************************************* | ||
120 | * | ||
121 | * FUNCTION: acpi_enable_subsystem | ||
122 | * | ||
123 | * PARAMETERS: Flags - Init/enable Options | ||
124 | * | ||
125 | * RETURN: Status | ||
126 | * | ||
127 | * DESCRIPTION: Completes the subsystem initialization including hardware. | ||
128 | * Puts system into ACPI mode if it isn't already. | ||
129 | * | ||
130 | ******************************************************************************/ | ||
131 | acpi_status acpi_enable_subsystem(u32 flags) | ||
132 | { | ||
133 | acpi_status status = AE_OK; | ||
134 | |||
135 | ACPI_FUNCTION_TRACE(acpi_enable_subsystem); | ||
136 | |||
137 | /* Enable ACPI mode */ | ||
138 | |||
139 | if (!(flags & ACPI_NO_ACPI_ENABLE)) { | ||
140 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
141 | "[Init] Going into ACPI mode\n")); | ||
142 | |||
143 | acpi_gbl_original_mode = acpi_hw_get_mode(); | ||
144 | |||
145 | status = acpi_enable(); | ||
146 | if (ACPI_FAILURE(status)) { | ||
147 | ACPI_WARNING((AE_INFO, "AcpiEnable failed")); | ||
148 | return_ACPI_STATUS(status); | ||
149 | } | ||
150 | } | ||
151 | |||
152 | /* | ||
153 | * Obtain a permanent mapping for the FACS. This is required for the | ||
154 | * Global Lock and the Firmware Waking Vector | ||
155 | */ | ||
156 | status = acpi_tb_initialize_facs(); | ||
157 | if (ACPI_FAILURE(status)) { | ||
158 | ACPI_WARNING((AE_INFO, "Could not map the FACS table")); | ||
159 | return_ACPI_STATUS(status); | ||
160 | } | ||
161 | |||
162 | /* | ||
163 | * Install the default op_region handlers. These are installed unless | ||
164 | * other handlers have already been installed via the | ||
165 | * install_address_space_handler interface. | ||
166 | */ | ||
167 | if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { | ||
168 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
169 | "[Init] Installing default address space handlers\n")); | ||
170 | |||
171 | status = acpi_ev_install_region_handlers(); | ||
172 | if (ACPI_FAILURE(status)) { | ||
173 | return_ACPI_STATUS(status); | ||
174 | } | ||
175 | } | ||
176 | |||
177 | /* | ||
178 | * Initialize ACPI Event handling (Fixed and General Purpose) | ||
179 | * | ||
180 | * Note1: We must have the hardware and events initialized before we can | ||
181 | * execute any control methods safely. Any control method can require | ||
182 | * ACPI hardware support, so the hardware must be fully initialized before | ||
183 | * any method execution! | ||
184 | * | ||
185 | * Note2: Fixed events are initialized and enabled here. GPEs are | ||
186 | * initialized, but cannot be enabled until after the hardware is | ||
187 | * completely initialized (SCI and global_lock activated) | ||
188 | */ | ||
189 | if (!(flags & ACPI_NO_EVENT_INIT)) { | ||
190 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
191 | "[Init] Initializing ACPI events\n")); | ||
192 | |||
193 | status = acpi_ev_initialize_events(); | ||
194 | if (ACPI_FAILURE(status)) { | ||
195 | return_ACPI_STATUS(status); | ||
196 | } | ||
197 | } | ||
198 | |||
199 | /* | ||
200 | * Install the SCI handler and Global Lock handler. This completes the | ||
201 | * hardware initialization. | ||
202 | */ | ||
203 | if (!(flags & ACPI_NO_HANDLER_INIT)) { | ||
204 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
205 | "[Init] Installing SCI/GL handlers\n")); | ||
206 | |||
207 | status = acpi_ev_install_xrupt_handlers(); | ||
208 | if (ACPI_FAILURE(status)) { | ||
209 | return_ACPI_STATUS(status); | ||
210 | } | ||
211 | } | ||
212 | |||
213 | return_ACPI_STATUS(status); | ||
214 | } | ||
215 | |||
216 | ACPI_EXPORT_SYMBOL(acpi_enable_subsystem) | ||
217 | |||
218 | /******************************************************************************* | ||
219 | * | ||
220 | * FUNCTION: acpi_initialize_objects | ||
221 | * | ||
222 | * PARAMETERS: Flags - Init/enable Options | ||
223 | * | ||
224 | * RETURN: Status | ||
225 | * | ||
226 | * DESCRIPTION: Completes namespace initialization by initializing device | ||
227 | * objects and executing AML code for Regions, buffers, etc. | ||
228 | * | ||
229 | ******************************************************************************/ | ||
230 | acpi_status acpi_initialize_objects(u32 flags) | ||
231 | { | ||
232 | acpi_status status = AE_OK; | ||
233 | |||
234 | ACPI_FUNCTION_TRACE(acpi_initialize_objects); | ||
235 | |||
236 | /* | ||
237 | * Run all _REG methods | ||
238 | * | ||
239 | * Note: Any objects accessed by the _REG methods will be automatically | ||
240 | * initialized, even if they contain executable AML (see the call to | ||
241 | * acpi_ns_initialize_objects below). | ||
242 | */ | ||
243 | if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { | ||
244 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
245 | "[Init] Executing _REG OpRegion methods\n")); | ||
246 | |||
247 | status = acpi_ev_initialize_op_regions(); | ||
248 | if (ACPI_FAILURE(status)) { | ||
249 | return_ACPI_STATUS(status); | ||
250 | } | ||
251 | } | ||
252 | |||
253 | /* | ||
254 | * Initialize the objects that remain uninitialized. This runs the | ||
255 | * executable AML that may be part of the declaration of these objects: | ||
256 | * operation_regions, buffer_fields, Buffers, and Packages. | ||
257 | */ | ||
258 | if (!(flags & ACPI_NO_OBJECT_INIT)) { | ||
259 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
260 | "[Init] Completing Initialization of ACPI Objects\n")); | ||
261 | |||
262 | status = acpi_ns_initialize_objects(); | ||
263 | if (ACPI_FAILURE(status)) { | ||
264 | return_ACPI_STATUS(status); | ||
265 | } | ||
266 | } | ||
267 | |||
268 | /* | ||
269 | * Initialize all device objects in the namespace. This runs the device | ||
270 | * _STA and _INI methods. | ||
271 | */ | ||
272 | if (!(flags & ACPI_NO_DEVICE_INIT)) { | ||
273 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
274 | "[Init] Initializing ACPI Devices\n")); | ||
275 | |||
276 | status = acpi_ns_initialize_devices(); | ||
277 | if (ACPI_FAILURE(status)) { | ||
278 | return_ACPI_STATUS(status); | ||
279 | } | ||
280 | } | ||
281 | |||
282 | /* | ||
283 | * Complete the GPE initialization for the GPE blocks defined in the FADT | ||
284 | * (GPE block 0 and 1). | ||
285 | * | ||
286 | * Note1: This is where the _PRW methods are executed for the GPEs. These | ||
287 | * methods can only be executed after the SCI and Global Lock handlers are | ||
288 | * installed and initialized. | ||
289 | * | ||
290 | * Note2: Currently, there seems to be no need to run the _REG methods | ||
291 | * before execution of the _PRW methods and enabling of the GPEs. | ||
292 | */ | ||
293 | if (!(flags & ACPI_NO_EVENT_INIT)) { | ||
294 | status = acpi_ev_install_fadt_gpes(); | ||
295 | if (ACPI_FAILURE(status)) | ||
296 | return (status); | ||
297 | } | ||
298 | |||
299 | /* | ||
300 | * Empty the caches (delete the cached objects) on the assumption that | ||
301 | * the table load filled them up more than they will be at runtime -- | ||
302 | * thus wasting non-paged memory. | ||
303 | */ | ||
304 | status = acpi_purge_cached_objects(); | ||
305 | |||
306 | acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK; | ||
307 | return_ACPI_STATUS(status); | ||
308 | } | ||
309 | |||
310 | ACPI_EXPORT_SYMBOL(acpi_initialize_objects) | ||
311 | |||
312 | #endif | ||
313 | /******************************************************************************* | ||
314 | * | ||
315 | * FUNCTION: acpi_terminate | ||
316 | * | ||
317 | * PARAMETERS: None | ||
318 | * | ||
319 | * RETURN: Status | ||
320 | * | ||
321 | * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources. | ||
322 | * | ||
323 | ******************************************************************************/ | ||
324 | acpi_status acpi_terminate(void) | ||
325 | { | ||
326 | acpi_status status; | ||
327 | |||
328 | ACPI_FUNCTION_TRACE(acpi_terminate); | ||
329 | |||
330 | /* Terminate the AML Debugger if present */ | ||
331 | |||
332 | ACPI_DEBUGGER_EXEC(acpi_gbl_db_terminate_threads = TRUE); | ||
333 | |||
334 | /* Shutdown and free all resources */ | ||
335 | |||
336 | acpi_ut_subsystem_shutdown(); | ||
337 | |||
338 | /* Free the mutex objects */ | ||
339 | |||
340 | acpi_ut_mutex_terminate(); | ||
341 | |||
342 | #ifdef ACPI_DEBUGGER | ||
343 | |||
344 | /* Shut down the debugger */ | ||
345 | |||
346 | acpi_db_terminate(); | ||
347 | #endif | ||
348 | |||
349 | /* Now we can shutdown the OS-dependent layer */ | ||
350 | |||
351 | status = acpi_os_terminate(); | ||
352 | return_ACPI_STATUS(status); | ||
353 | } | ||
354 | |||
355 | ACPI_EXPORT_SYMBOL(acpi_terminate) | ||
356 | #ifndef ACPI_ASL_COMPILER | ||
357 | #ifdef ACPI_FUTURE_USAGE | ||
358 | /******************************************************************************* | ||
359 | * | ||
360 | * FUNCTION: acpi_subsystem_status | ||
361 | * | ||
362 | * PARAMETERS: None | ||
363 | * | ||
364 | * RETURN: Status of the ACPI subsystem | ||
365 | * | ||
366 | * DESCRIPTION: Other drivers that use the ACPI subsystem should call this | ||
367 | * before making any other calls, to ensure the subsystem | ||
368 | * initialized successfully. | ||
369 | * | ||
370 | ******************************************************************************/ | ||
371 | acpi_status acpi_subsystem_status(void) | ||
372 | { | ||
373 | |||
374 | if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) { | ||
375 | return (AE_OK); | ||
376 | } else { | ||
377 | return (AE_ERROR); | ||
378 | } | ||
379 | } | ||
380 | |||
381 | ACPI_EXPORT_SYMBOL(acpi_subsystem_status) | ||
382 | |||
383 | /******************************************************************************* | ||
384 | * | ||
385 | * FUNCTION: acpi_get_system_info | ||
386 | * | ||
387 | * PARAMETERS: out_buffer - A buffer to receive the resources for the | ||
388 | * device | ||
389 | * | ||
390 | * RETURN: Status - the status of the call | ||
391 | * | ||
392 | * DESCRIPTION: This function is called to get information about the current | ||
393 | * state of the ACPI subsystem. It will return system information | ||
394 | * in the out_buffer. | ||
395 | * | ||
396 | * If the function fails an appropriate status will be returned | ||
397 | * and the value of out_buffer is undefined. | ||
398 | * | ||
399 | ******************************************************************************/ | ||
400 | acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) | ||
401 | { | ||
402 | struct acpi_system_info *info_ptr; | ||
403 | acpi_status status; | ||
404 | |||
405 | ACPI_FUNCTION_TRACE(acpi_get_system_info); | ||
406 | |||
407 | /* Parameter validation */ | ||
408 | |||
409 | status = acpi_ut_validate_buffer(out_buffer); | ||
410 | if (ACPI_FAILURE(status)) { | ||
411 | return_ACPI_STATUS(status); | ||
412 | } | ||
413 | |||
414 | /* Validate/Allocate/Clear caller buffer */ | ||
415 | |||
416 | status = | ||
417 | acpi_ut_initialize_buffer(out_buffer, | ||
418 | sizeof(struct acpi_system_info)); | ||
419 | if (ACPI_FAILURE(status)) { | ||
420 | return_ACPI_STATUS(status); | ||
421 | } | ||
422 | |||
423 | /* | ||
424 | * Populate the return buffer | ||
425 | */ | ||
426 | info_ptr = (struct acpi_system_info *)out_buffer->pointer; | ||
427 | |||
428 | info_ptr->acpi_ca_version = ACPI_CA_VERSION; | ||
429 | |||
430 | /* System flags (ACPI capabilities) */ | ||
431 | |||
432 | info_ptr->flags = ACPI_SYS_MODE_ACPI; | ||
433 | |||
434 | /* Timer resolution - 24 or 32 bits */ | ||
435 | |||
436 | if (acpi_gbl_FADT.flags & ACPI_FADT_32BIT_TIMER) { | ||
437 | info_ptr->timer_resolution = 24; | ||
438 | } else { | ||
439 | info_ptr->timer_resolution = 32; | ||
440 | } | ||
441 | |||
442 | /* Clear the reserved fields */ | ||
443 | |||
444 | info_ptr->reserved1 = 0; | ||
445 | info_ptr->reserved2 = 0; | ||
446 | |||
447 | /* Current debug levels */ | ||
448 | |||
449 | info_ptr->debug_layer = acpi_dbg_layer; | ||
450 | info_ptr->debug_level = acpi_dbg_level; | ||
451 | |||
452 | return_ACPI_STATUS(AE_OK); | ||
453 | } | ||
454 | |||
455 | ACPI_EXPORT_SYMBOL(acpi_get_system_info) | ||
456 | |||
457 | /***************************************************************************** | ||
458 | * | ||
459 | * FUNCTION: acpi_install_initialization_handler | ||
460 | * | ||
461 | * PARAMETERS: Handler - Callback procedure | ||
462 | * Function - Not (currently) used, see below | ||
463 | * | ||
464 | * RETURN: Status | ||
465 | * | ||
466 | * DESCRIPTION: Install an initialization handler | ||
467 | * | ||
468 | * TBD: When a second function is added, must save the Function also. | ||
469 | * | ||
470 | ****************************************************************************/ | ||
471 | acpi_status | ||
472 | acpi_install_initialization_handler(acpi_init_handler handler, u32 function) | ||
473 | { | ||
474 | |||
475 | if (!handler) { | ||
476 | return (AE_BAD_PARAMETER); | ||
477 | } | ||
478 | |||
479 | if (acpi_gbl_init_handler) { | ||
480 | return (AE_ALREADY_EXISTS); | ||
481 | } | ||
482 | |||
483 | acpi_gbl_init_handler = handler; | ||
484 | return AE_OK; | ||
485 | } | ||
486 | |||
487 | ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler) | ||
488 | #endif /* ACPI_FUTURE_USAGE */ | ||
489 | /***************************************************************************** | ||
490 | * | ||
491 | * FUNCTION: acpi_purge_cached_objects | ||
492 | * | ||
493 | * PARAMETERS: None | ||
494 | * | ||
495 | * RETURN: Status | ||
496 | * | ||
497 | * DESCRIPTION: Empty all caches (delete the cached objects) | ||
498 | * | ||
499 | ****************************************************************************/ | ||
500 | acpi_status acpi_purge_cached_objects(void) | ||
501 | { | ||
502 | ACPI_FUNCTION_TRACE(acpi_purge_cached_objects); | ||
503 | |||
504 | (void)acpi_os_purge_cache(acpi_gbl_state_cache); | ||
505 | (void)acpi_os_purge_cache(acpi_gbl_operand_cache); | ||
506 | (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache); | ||
507 | (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache); | ||
508 | return_ACPI_STATUS(AE_OK); | ||
509 | } | ||
510 | |||
511 | ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects) | ||
512 | #endif | ||