drm: exynos: hdmi: add support for exynos5 hdmiphy
[linux-2.6/btrfs-unstable.git] / drivers / acpi / acpica / nsdump.c
blob7ee4e6aeb0a2da82d219a7fdac501efb83338daa
1 /******************************************************************************
3 * Module Name: nsdump - table dumping routines for debug
5 *****************************************************************************/
7 /*
8 * Copyright (C) 2000 - 2012, Intel Corp.
9 * All rights reserved.
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.
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.
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.
44 #include <acpi/acpi.h>
45 #include "accommon.h"
46 #include "acnamesp.h"
48 #define _COMPONENT ACPI_NAMESPACE
49 ACPI_MODULE_NAME("nsdump")
51 /* Local prototypes */
52 #ifdef ACPI_OBSOLETE_FUNCTIONS
53 void acpi_ns_dump_root_devices(void);
55 static acpi_status
56 acpi_ns_dump_one_device(acpi_handle obj_handle,
57 u32 level, void *context, void **return_value);
58 #endif
60 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
61 /*******************************************************************************
63 * FUNCTION: acpi_ns_print_pathname
65 * PARAMETERS: num_segments - Number of ACPI name segments
66 * pathname - The compressed (internal) path
68 * RETURN: None
70 * DESCRIPTION: Print an object's full namespace pathname
72 ******************************************************************************/
74 void acpi_ns_print_pathname(u32 num_segments, char *pathname)
76 u32 i;
78 ACPI_FUNCTION_NAME(ns_print_pathname);
80 if (!(acpi_dbg_level & ACPI_LV_NAMES)
81 || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
82 return;
85 /* Print the entire name */
87 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "["));
89 while (num_segments) {
90 for (i = 0; i < 4; i++) {
91 ACPI_IS_PRINT(pathname[i]) ?
92 acpi_os_printf("%c", pathname[i]) :
93 acpi_os_printf("?");
96 pathname += ACPI_NAME_SIZE;
97 num_segments--;
98 if (num_segments) {
99 acpi_os_printf(".");
103 acpi_os_printf("]\n");
106 /*******************************************************************************
108 * FUNCTION: acpi_ns_dump_pathname
110 * PARAMETERS: handle - Object
111 * msg - Prefix message
112 * level - Desired debug level
113 * component - Caller's component ID
115 * RETURN: None
117 * DESCRIPTION: Print an object's full namespace pathname
118 * Manages allocation/freeing of a pathname buffer
120 ******************************************************************************/
122 void
123 acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
126 ACPI_FUNCTION_TRACE(ns_dump_pathname);
128 /* Do this only if the requested debug level and component are enabled */
130 if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
131 return_VOID;
134 /* Convert handle to a full pathname and print it (with supplied message) */
136 acpi_ns_print_node_pathname(handle, msg);
137 acpi_os_printf("\n");
138 return_VOID;
141 /*******************************************************************************
143 * FUNCTION: acpi_ns_dump_one_object
145 * PARAMETERS: obj_handle - Node to be dumped
146 * level - Nesting level of the handle
147 * context - Passed into walk_namespace
148 * return_value - Not used
150 * RETURN: Status
152 * DESCRIPTION: Dump a single Node
153 * This procedure is a user_function called by acpi_ns_walk_namespace.
155 ******************************************************************************/
157 acpi_status
158 acpi_ns_dump_one_object(acpi_handle obj_handle,
159 u32 level, void *context, void **return_value)
161 struct acpi_walk_info *info = (struct acpi_walk_info *)context;
162 struct acpi_namespace_node *this_node;
163 union acpi_operand_object *obj_desc = NULL;
164 acpi_object_type obj_type;
165 acpi_object_type type;
166 u32 bytes_to_dump;
167 u32 dbg_level;
168 u32 i;
170 ACPI_FUNCTION_NAME(ns_dump_one_object);
172 /* Is output enabled? */
174 if (!(acpi_dbg_level & info->debug_level)) {
175 return (AE_OK);
178 if (!obj_handle) {
179 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Null object handle\n"));
180 return (AE_OK);
183 this_node = acpi_ns_validate_handle(obj_handle);
184 if (!this_node) {
185 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
186 obj_handle));
187 return (AE_OK);
190 type = this_node->type;
192 /* Check if the owner matches */
194 if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
195 (info->owner_id != this_node->owner_id)) {
196 return (AE_OK);
199 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
201 /* Indent the object according to the level */
203 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
205 /* Check the node type and name */
207 if (type > ACPI_TYPE_LOCAL_MAX) {
208 ACPI_WARNING((AE_INFO,
209 "Invalid ACPI Object Type 0x%08X", type));
212 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
213 this_node->name.integer =
214 acpi_ut_repair_name(this_node->name.ascii);
216 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
217 this_node->name.integer));
220 acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node));
223 /* Now we can print out the pertinent information */
225 acpi_os_printf(" %-12s %p %2.2X ",
226 acpi_ut_get_type_name(type), this_node,
227 this_node->owner_id);
229 dbg_level = acpi_dbg_level;
230 acpi_dbg_level = 0;
231 obj_desc = acpi_ns_get_attached_object(this_node);
232 acpi_dbg_level = dbg_level;
234 /* Temp nodes are those nodes created by a control method */
236 if (this_node->flags & ANOBJ_TEMPORARY) {
237 acpi_os_printf("(T) ");
240 switch (info->display_type & ACPI_DISPLAY_MASK) {
241 case ACPI_DISPLAY_SUMMARY:
243 if (!obj_desc) {
245 /* No attached object. Some types should always have an object */
247 switch (type) {
248 case ACPI_TYPE_INTEGER:
249 case ACPI_TYPE_PACKAGE:
250 case ACPI_TYPE_BUFFER:
251 case ACPI_TYPE_STRING:
252 case ACPI_TYPE_METHOD:
253 acpi_os_printf("<No attached object>");
254 break;
256 default:
257 break;
260 acpi_os_printf("\n");
261 return (AE_OK);
264 switch (type) {
265 case ACPI_TYPE_PROCESSOR:
267 acpi_os_printf("ID %X Len %.4X Addr %p\n",
268 obj_desc->processor.proc_id,
269 obj_desc->processor.length,
270 ACPI_CAST_PTR(void,
271 obj_desc->processor.
272 address));
273 break;
275 case ACPI_TYPE_DEVICE:
277 acpi_os_printf("Notify Object: %p\n", obj_desc);
278 break;
280 case ACPI_TYPE_METHOD:
282 acpi_os_printf("Args %X Len %.4X Aml %p\n",
283 (u32) obj_desc->method.param_count,
284 obj_desc->method.aml_length,
285 obj_desc->method.aml_start);
286 break;
288 case ACPI_TYPE_INTEGER:
290 acpi_os_printf("= %8.8X%8.8X\n",
291 ACPI_FORMAT_UINT64(obj_desc->integer.
292 value));
293 break;
295 case ACPI_TYPE_PACKAGE:
297 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
298 acpi_os_printf("Elements %.2X\n",
299 obj_desc->package.count);
300 } else {
301 acpi_os_printf("[Length not yet evaluated]\n");
303 break;
305 case ACPI_TYPE_BUFFER:
307 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
308 acpi_os_printf("Len %.2X",
309 obj_desc->buffer.length);
311 /* Dump some of the buffer */
313 if (obj_desc->buffer.length > 0) {
314 acpi_os_printf(" =");
315 for (i = 0;
316 (i < obj_desc->buffer.length
317 && i < 12); i++) {
318 acpi_os_printf(" %.2hX",
319 obj_desc->buffer.
320 pointer[i]);
323 acpi_os_printf("\n");
324 } else {
325 acpi_os_printf("[Length not yet evaluated]\n");
327 break;
329 case ACPI_TYPE_STRING:
331 acpi_os_printf("Len %.2X ", obj_desc->string.length);
332 acpi_ut_print_string(obj_desc->string.pointer, 32);
333 acpi_os_printf("\n");
334 break;
336 case ACPI_TYPE_REGION:
338 acpi_os_printf("[%s]",
339 acpi_ut_get_region_name(obj_desc->region.
340 space_id));
341 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
342 acpi_os_printf(" Addr %8.8X%8.8X Len %.4X\n",
343 ACPI_FORMAT_NATIVE_UINT
344 (obj_desc->region.address),
345 obj_desc->region.length);
346 } else {
347 acpi_os_printf
348 (" [Address/Length not yet evaluated]\n");
350 break;
352 case ACPI_TYPE_LOCAL_REFERENCE:
354 acpi_os_printf("[%s]\n",
355 acpi_ut_get_reference_name(obj_desc));
356 break;
358 case ACPI_TYPE_BUFFER_FIELD:
360 if (obj_desc->buffer_field.buffer_obj &&
361 obj_desc->buffer_field.buffer_obj->buffer.node) {
362 acpi_os_printf("Buf [%4.4s]",
363 acpi_ut_get_node_name(obj_desc->
364 buffer_field.
365 buffer_obj->
366 buffer.
367 node));
369 break;
371 case ACPI_TYPE_LOCAL_REGION_FIELD:
373 acpi_os_printf("Rgn [%4.4s]",
374 acpi_ut_get_node_name(obj_desc->
375 common_field.
376 region_obj->region.
377 node));
378 break;
380 case ACPI_TYPE_LOCAL_BANK_FIELD:
382 acpi_os_printf("Rgn [%4.4s] Bnk [%4.4s]",
383 acpi_ut_get_node_name(obj_desc->
384 common_field.
385 region_obj->region.
386 node),
387 acpi_ut_get_node_name(obj_desc->
388 bank_field.
389 bank_obj->
390 common_field.
391 node));
392 break;
394 case ACPI_TYPE_LOCAL_INDEX_FIELD:
396 acpi_os_printf("Idx [%4.4s] Dat [%4.4s]",
397 acpi_ut_get_node_name(obj_desc->
398 index_field.
399 index_obj->
400 common_field.node),
401 acpi_ut_get_node_name(obj_desc->
402 index_field.
403 data_obj->
404 common_field.
405 node));
406 break;
408 case ACPI_TYPE_LOCAL_ALIAS:
409 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
411 acpi_os_printf("Target %4.4s (%p)\n",
412 acpi_ut_get_node_name(obj_desc),
413 obj_desc);
414 break;
416 default:
418 acpi_os_printf("Object %p\n", obj_desc);
419 break;
422 /* Common field handling */
424 switch (type) {
425 case ACPI_TYPE_BUFFER_FIELD:
426 case ACPI_TYPE_LOCAL_REGION_FIELD:
427 case ACPI_TYPE_LOCAL_BANK_FIELD:
428 case ACPI_TYPE_LOCAL_INDEX_FIELD:
430 acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
431 (obj_desc->common_field.
432 base_byte_offset * 8)
434 obj_desc->common_field.
435 start_field_bit_offset,
436 obj_desc->common_field.bit_length,
437 obj_desc->common_field.
438 access_byte_width);
439 break;
441 default:
442 break;
444 break;
446 case ACPI_DISPLAY_OBJECTS:
448 acpi_os_printf("O:%p", obj_desc);
449 if (!obj_desc) {
451 /* No attached object, we are done */
453 acpi_os_printf("\n");
454 return (AE_OK);
457 acpi_os_printf("(R%u)", obj_desc->common.reference_count);
459 switch (type) {
460 case ACPI_TYPE_METHOD:
462 /* Name is a Method and its AML offset/length are set */
464 acpi_os_printf(" M:%p-%X\n", obj_desc->method.aml_start,
465 obj_desc->method.aml_length);
466 break;
468 case ACPI_TYPE_INTEGER:
470 acpi_os_printf(" I:%8.8X8.8%X\n",
471 ACPI_FORMAT_UINT64(obj_desc->integer.
472 value));
473 break;
475 case ACPI_TYPE_STRING:
477 acpi_os_printf(" S:%p-%X\n", obj_desc->string.pointer,
478 obj_desc->string.length);
479 break;
481 case ACPI_TYPE_BUFFER:
483 acpi_os_printf(" B:%p-%X\n", obj_desc->buffer.pointer,
484 obj_desc->buffer.length);
485 break;
487 default:
489 acpi_os_printf("\n");
490 break;
492 break;
494 default:
495 acpi_os_printf("\n");
496 break;
499 /* If debug turned off, done */
501 if (!(acpi_dbg_level & ACPI_LV_VALUES)) {
502 return (AE_OK);
505 /* If there is an attached object, display it */
507 dbg_level = acpi_dbg_level;
508 acpi_dbg_level = 0;
509 obj_desc = acpi_ns_get_attached_object(this_node);
510 acpi_dbg_level = dbg_level;
512 /* Dump attached objects */
514 while (obj_desc) {
515 obj_type = ACPI_TYPE_INVALID;
516 acpi_os_printf("Attached Object %p: ", obj_desc);
518 /* Decode the type of attached object and dump the contents */
520 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
521 case ACPI_DESC_TYPE_NAMED:
523 acpi_os_printf("(Ptr to Node)\n");
524 bytes_to_dump = sizeof(struct acpi_namespace_node);
525 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
526 break;
528 case ACPI_DESC_TYPE_OPERAND:
530 obj_type = obj_desc->common.type;
532 if (obj_type > ACPI_TYPE_LOCAL_MAX) {
533 acpi_os_printf
534 ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
535 obj_type);
536 bytes_to_dump = 32;
537 } else {
538 acpi_os_printf
539 ("(Pointer to ACPI Object type %.2X [%s])\n",
540 obj_type, acpi_ut_get_type_name(obj_type));
541 bytes_to_dump =
542 sizeof(union acpi_operand_object);
545 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
546 break;
548 default:
550 break;
553 /* If value is NOT an internal object, we are done */
555 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) !=
556 ACPI_DESC_TYPE_OPERAND) {
557 goto cleanup;
560 /* Valid object, get the pointer to next level, if any */
562 switch (obj_type) {
563 case ACPI_TYPE_BUFFER:
564 case ACPI_TYPE_STRING:
566 * NOTE: takes advantage of common fields between string/buffer
568 bytes_to_dump = obj_desc->string.length;
569 obj_desc = (void *)obj_desc->string.pointer;
570 acpi_os_printf("(Buffer/String pointer %p length %X)\n",
571 obj_desc, bytes_to_dump);
572 ACPI_DUMP_BUFFER(obj_desc, bytes_to_dump);
573 goto cleanup;
575 case ACPI_TYPE_BUFFER_FIELD:
576 obj_desc =
577 (union acpi_operand_object *)obj_desc->buffer_field.
578 buffer_obj;
579 break;
581 case ACPI_TYPE_PACKAGE:
582 obj_desc = (void *)obj_desc->package.elements;
583 break;
585 case ACPI_TYPE_METHOD:
586 obj_desc = (void *)obj_desc->method.aml_start;
587 break;
589 case ACPI_TYPE_LOCAL_REGION_FIELD:
590 obj_desc = (void *)obj_desc->field.region_obj;
591 break;
593 case ACPI_TYPE_LOCAL_BANK_FIELD:
594 obj_desc = (void *)obj_desc->bank_field.region_obj;
595 break;
597 case ACPI_TYPE_LOCAL_INDEX_FIELD:
598 obj_desc = (void *)obj_desc->index_field.index_obj;
599 break;
601 default:
602 goto cleanup;
605 obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
608 cleanup:
609 acpi_os_printf("\n");
610 return (AE_OK);
613 #ifdef ACPI_FUTURE_USAGE
614 /*******************************************************************************
616 * FUNCTION: acpi_ns_dump_objects
618 * PARAMETERS: type - Object type to be dumped
619 * display_type - 0 or ACPI_DISPLAY_SUMMARY
620 * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX
621 * for an effectively unlimited depth.
622 * owner_id - Dump only objects owned by this ID. Use
623 * ACPI_UINT32_MAX to match all owners.
624 * start_handle - Where in namespace to start/end search
626 * RETURN: None
628 * DESCRIPTION: Dump typed objects within the loaded namespace. Uses
629 * acpi_ns_walk_namespace in conjunction with acpi_ns_dump_one_object.
631 ******************************************************************************/
633 void
634 acpi_ns_dump_objects(acpi_object_type type,
635 u8 display_type,
636 u32 max_depth,
637 acpi_owner_id owner_id, acpi_handle start_handle)
639 struct acpi_walk_info info;
640 acpi_status status;
642 ACPI_FUNCTION_ENTRY();
645 * Just lock the entire namespace for the duration of the dump.
646 * We don't want any changes to the namespace during this time,
647 * especially the temporary nodes since we are going to display
648 * them also.
650 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
651 if (ACPI_FAILURE(status)) {
652 acpi_os_printf("Could not acquire namespace mutex\n");
653 return;
656 info.debug_level = ACPI_LV_TABLES;
657 info.owner_id = owner_id;
658 info.display_type = display_type;
660 (void)acpi_ns_walk_namespace(type, start_handle, max_depth,
661 ACPI_NS_WALK_NO_UNLOCK |
662 ACPI_NS_WALK_TEMP_NODES,
663 acpi_ns_dump_one_object, NULL,
664 (void *)&info, NULL);
666 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
668 #endif /* ACPI_FUTURE_USAGE */
670 /*******************************************************************************
672 * FUNCTION: acpi_ns_dump_entry
674 * PARAMETERS: handle - Node to be dumped
675 * debug_level - Output level
677 * RETURN: None
679 * DESCRIPTION: Dump a single Node
681 ******************************************************************************/
683 void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level)
685 struct acpi_walk_info info;
687 ACPI_FUNCTION_ENTRY();
689 info.debug_level = debug_level;
690 info.owner_id = ACPI_OWNER_ID_MAX;
691 info.display_type = ACPI_DISPLAY_SUMMARY;
693 (void)acpi_ns_dump_one_object(handle, 1, &info, NULL);
696 #ifdef ACPI_ASL_COMPILER
697 /*******************************************************************************
699 * FUNCTION: acpi_ns_dump_tables
701 * PARAMETERS: search_base - Root of subtree to be dumped, or
702 * NS_ALL to dump the entire namespace
703 * max_depth - Maximum depth of dump. Use INT_MAX
704 * for an effectively unlimited depth.
706 * RETURN: None
708 * DESCRIPTION: Dump the name space, or a portion of it.
710 ******************************************************************************/
712 void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
714 acpi_handle search_handle = search_base;
716 ACPI_FUNCTION_TRACE(ns_dump_tables);
718 if (!acpi_gbl_root_node) {
720 * If the name space has not been initialized,
721 * there is nothing to dump.
723 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
724 "namespace not initialized!\n"));
725 return_VOID;
728 if (ACPI_NS_ALL == search_base) {
730 /* Entire namespace */
732 search_handle = acpi_gbl_root_node;
733 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, "\\\n"));
736 acpi_ns_dump_objects(ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
737 ACPI_OWNER_ID_MAX, search_handle);
738 return_VOID;
740 #endif /* _ACPI_ASL_COMPILER */
741 #endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */