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/namespace/nsobject.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/namespace/nsobject.c')
-rw-r--r-- | drivers/acpi/namespace/nsobject.c | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c deleted file mode 100644 index ca9edeea27df..000000000000 --- a/drivers/acpi/namespace/nsobject.c +++ /dev/null | |||
@@ -1,441 +0,0 @@ | |||
1 | /******************************************************************************* | ||
2 | * | ||
3 | * Module Name: nsobject - Utilities for objects attached to namespace | ||
4 | * table entries | ||
5 | * | ||
6 | ******************************************************************************/ | ||
7 | |||
8 | /* | ||
9 | * Copyright (C) 2000 - 2008, Intel Corp. | ||
10 | * All rights reserved. | ||
11 | * | ||
12 | * Redistribution and use in source and binary forms, with or without | ||
13 | * modification, are permitted provided that the following conditions | ||
14 | * are met: | ||
15 | * 1. Redistributions of source code must retain the above copyright | ||
16 | * notice, this list of conditions, and the following disclaimer, | ||
17 | * without modification. | ||
18 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | ||
19 | * substantially similar to the "NO WARRANTY" disclaimer below | ||
20 | * ("Disclaimer") and any redistribution must be conditioned upon | ||
21 | * including a substantially similar Disclaimer requirement for further | ||
22 | * binary redistribution. | ||
23 | * 3. Neither the names of the above-listed copyright holders nor the names | ||
24 | * of any contributors may be used to endorse or promote products derived | ||
25 | * from this software without specific prior written permission. | ||
26 | * | ||
27 | * Alternatively, this software may be distributed under the terms of the | ||
28 | * GNU General Public License ("GPL") version 2 as published by the Free | ||
29 | * Software Foundation. | ||
30 | * | ||
31 | * NO WARRANTY | ||
32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
33 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
34 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | ||
35 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
36 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
37 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
38 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
39 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
40 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | ||
41 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
42 | * POSSIBILITY OF SUCH DAMAGES. | ||
43 | */ | ||
44 | |||
45 | #include <acpi/acpi.h> | ||
46 | #include <acpi/accommon.h> | ||
47 | #include <acpi/acnamesp.h> | ||
48 | |||
49 | #define _COMPONENT ACPI_NAMESPACE | ||
50 | ACPI_MODULE_NAME("nsobject") | ||
51 | |||
52 | /******************************************************************************* | ||
53 | * | ||
54 | * FUNCTION: acpi_ns_attach_object | ||
55 | * | ||
56 | * PARAMETERS: Node - Parent Node | ||
57 | * Object - Object to be attached | ||
58 | * Type - Type of object, or ACPI_TYPE_ANY if not | ||
59 | * known | ||
60 | * | ||
61 | * RETURN: Status | ||
62 | * | ||
63 | * DESCRIPTION: Record the given object as the value associated with the | ||
64 | * name whose acpi_handle is passed. If Object is NULL | ||
65 | * and Type is ACPI_TYPE_ANY, set the name as having no value. | ||
66 | * Note: Future may require that the Node->Flags field be passed | ||
67 | * as a parameter. | ||
68 | * | ||
69 | * MUTEX: Assumes namespace is locked | ||
70 | * | ||
71 | ******************************************************************************/ | ||
72 | acpi_status | ||
73 | acpi_ns_attach_object(struct acpi_namespace_node *node, | ||
74 | union acpi_operand_object *object, acpi_object_type type) | ||
75 | { | ||
76 | union acpi_operand_object *obj_desc; | ||
77 | union acpi_operand_object *last_obj_desc; | ||
78 | acpi_object_type object_type = ACPI_TYPE_ANY; | ||
79 | |||
80 | ACPI_FUNCTION_TRACE(ns_attach_object); | ||
81 | |||
82 | /* | ||
83 | * Parameter validation | ||
84 | */ | ||
85 | if (!node) { | ||
86 | |||
87 | /* Invalid handle */ | ||
88 | |||
89 | ACPI_ERROR((AE_INFO, "Null NamedObj handle")); | ||
90 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
91 | } | ||
92 | |||
93 | if (!object && (ACPI_TYPE_ANY != type)) { | ||
94 | |||
95 | /* Null object */ | ||
96 | |||
97 | ACPI_ERROR((AE_INFO, | ||
98 | "Null object, but type not ACPI_TYPE_ANY")); | ||
99 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
100 | } | ||
101 | |||
102 | if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { | ||
103 | |||
104 | /* Not a name handle */ | ||
105 | |||
106 | ACPI_ERROR((AE_INFO, "Invalid handle %p [%s]", | ||
107 | node, acpi_ut_get_descriptor_name(node))); | ||
108 | return_ACPI_STATUS(AE_BAD_PARAMETER); | ||
109 | } | ||
110 | |||
111 | /* Check if this object is already attached */ | ||
112 | |||
113 | if (node->object == object) { | ||
114 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, | ||
115 | "Obj %p already installed in NameObj %p\n", | ||
116 | object, node)); | ||
117 | |||
118 | return_ACPI_STATUS(AE_OK); | ||
119 | } | ||
120 | |||
121 | /* If null object, we will just install it */ | ||
122 | |||
123 | if (!object) { | ||
124 | obj_desc = NULL; | ||
125 | object_type = ACPI_TYPE_ANY; | ||
126 | } | ||
127 | |||
128 | /* | ||
129 | * If the source object is a namespace Node with an attached object, | ||
130 | * we will use that (attached) object | ||
131 | */ | ||
132 | else if ((ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) && | ||
133 | ((struct acpi_namespace_node *)object)->object) { | ||
134 | /* | ||
135 | * Value passed is a name handle and that name has a | ||
136 | * non-null value. Use that name's value and type. | ||
137 | */ | ||
138 | obj_desc = ((struct acpi_namespace_node *)object)->object; | ||
139 | object_type = ((struct acpi_namespace_node *)object)->type; | ||
140 | } | ||
141 | |||
142 | /* | ||
143 | * Otherwise, we will use the parameter object, but we must type | ||
144 | * it first | ||
145 | */ | ||
146 | else { | ||
147 | obj_desc = (union acpi_operand_object *)object; | ||
148 | |||
149 | /* Use the given type */ | ||
150 | |||
151 | object_type = type; | ||
152 | } | ||
153 | |||
154 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Installing %p into Node %p [%4.4s]\n", | ||
155 | obj_desc, node, acpi_ut_get_node_name(node))); | ||
156 | |||
157 | /* Detach an existing attached object if present */ | ||
158 | |||
159 | if (node->object) { | ||
160 | acpi_ns_detach_object(node); | ||
161 | } | ||
162 | |||
163 | if (obj_desc) { | ||
164 | /* | ||
165 | * Must increment the new value's reference count | ||
166 | * (if it is an internal object) | ||
167 | */ | ||
168 | acpi_ut_add_reference(obj_desc); | ||
169 | |||
170 | /* | ||
171 | * Handle objects with multiple descriptors - walk | ||
172 | * to the end of the descriptor list | ||
173 | */ | ||
174 | last_obj_desc = obj_desc; | ||
175 | while (last_obj_desc->common.next_object) { | ||
176 | last_obj_desc = last_obj_desc->common.next_object; | ||
177 | } | ||
178 | |||
179 | /* Install the object at the front of the object list */ | ||
180 | |||
181 | last_obj_desc->common.next_object = node->object; | ||
182 | } | ||
183 | |||
184 | node->type = (u8) object_type; | ||
185 | node->object = obj_desc; | ||
186 | |||
187 | return_ACPI_STATUS(AE_OK); | ||
188 | } | ||
189 | |||
190 | /******************************************************************************* | ||
191 | * | ||
192 | * FUNCTION: acpi_ns_detach_object | ||
193 | * | ||
194 | * PARAMETERS: Node - A Namespace node whose object will be detached | ||
195 | * | ||
196 | * RETURN: None. | ||
197 | * | ||
198 | * DESCRIPTION: Detach/delete an object associated with a namespace node. | ||
199 | * if the object is an allocated object, it is freed. | ||
200 | * Otherwise, the field is simply cleared. | ||
201 | * | ||
202 | ******************************************************************************/ | ||
203 | |||
204 | void acpi_ns_detach_object(struct acpi_namespace_node *node) | ||
205 | { | ||
206 | union acpi_operand_object *obj_desc; | ||
207 | |||
208 | ACPI_FUNCTION_TRACE(ns_detach_object); | ||
209 | |||
210 | obj_desc = node->object; | ||
211 | |||
212 | if (!obj_desc || | ||
213 | (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA)) { | ||
214 | return_VOID; | ||
215 | } | ||
216 | |||
217 | /* Clear the entry in all cases */ | ||
218 | |||
219 | node->object = NULL; | ||
220 | if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_OPERAND) { | ||
221 | node->object = obj_desc->common.next_object; | ||
222 | if (node->object && | ||
223 | (ACPI_GET_OBJECT_TYPE(node->object) != | ||
224 | ACPI_TYPE_LOCAL_DATA)) { | ||
225 | node->object = node->object->common.next_object; | ||
226 | } | ||
227 | } | ||
228 | |||
229 | /* Reset the node type to untyped */ | ||
230 | |||
231 | node->type = ACPI_TYPE_ANY; | ||
232 | |||
233 | ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Node %p [%4.4s] Object %p\n", | ||
234 | node, acpi_ut_get_node_name(node), obj_desc)); | ||
235 | |||
236 | /* Remove one reference on the object (and all subobjects) */ | ||
237 | |||
238 | acpi_ut_remove_reference(obj_desc); | ||
239 | return_VOID; | ||
240 | } | ||
241 | |||
242 | /******************************************************************************* | ||
243 | * | ||
244 | * FUNCTION: acpi_ns_get_attached_object | ||
245 | * | ||
246 | * PARAMETERS: Node - Namespace node | ||
247 | * | ||
248 | * RETURN: Current value of the object field from the Node whose | ||
249 | * handle is passed | ||
250 | * | ||
251 | * DESCRIPTION: Obtain the object attached to a namespace node. | ||
252 | * | ||
253 | ******************************************************************************/ | ||
254 | |||
255 | union acpi_operand_object *acpi_ns_get_attached_object(struct | ||
256 | acpi_namespace_node | ||
257 | *node) | ||
258 | { | ||
259 | ACPI_FUNCTION_TRACE_PTR(ns_get_attached_object, node); | ||
260 | |||
261 | if (!node) { | ||
262 | ACPI_WARNING((AE_INFO, "Null Node ptr")); | ||
263 | return_PTR(NULL); | ||
264 | } | ||
265 | |||
266 | if (!node->object || | ||
267 | ((ACPI_GET_DESCRIPTOR_TYPE(node->object) != ACPI_DESC_TYPE_OPERAND) | ||
268 | && (ACPI_GET_DESCRIPTOR_TYPE(node->object) != | ||
269 | ACPI_DESC_TYPE_NAMED)) | ||
270 | || (ACPI_GET_OBJECT_TYPE(node->object) == ACPI_TYPE_LOCAL_DATA)) { | ||
271 | return_PTR(NULL); | ||
272 | } | ||
273 | |||
274 | return_PTR(node->object); | ||
275 | } | ||
276 | |||
277 | /******************************************************************************* | ||
278 | * | ||
279 | * FUNCTION: acpi_ns_get_secondary_object | ||
280 | * | ||
281 | * PARAMETERS: Node - Namespace node | ||
282 | * | ||
283 | * RETURN: Current value of the object field from the Node whose | ||
284 | * handle is passed. | ||
285 | * | ||
286 | * DESCRIPTION: Obtain a secondary object associated with a namespace node. | ||
287 | * | ||
288 | ******************************************************************************/ | ||
289 | |||
290 | union acpi_operand_object *acpi_ns_get_secondary_object(union | ||
291 | acpi_operand_object | ||
292 | *obj_desc) | ||
293 | { | ||
294 | ACPI_FUNCTION_TRACE_PTR(ns_get_secondary_object, obj_desc); | ||
295 | |||
296 | if ((!obj_desc) || | ||
297 | (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) || | ||
298 | (!obj_desc->common.next_object) || | ||
299 | (ACPI_GET_OBJECT_TYPE(obj_desc->common.next_object) == | ||
300 | ACPI_TYPE_LOCAL_DATA)) { | ||
301 | return_PTR(NULL); | ||
302 | } | ||
303 | |||
304 | return_PTR(obj_desc->common.next_object); | ||
305 | } | ||
306 | |||
307 | /******************************************************************************* | ||
308 | * | ||
309 | * FUNCTION: acpi_ns_attach_data | ||
310 | * | ||
311 | * PARAMETERS: Node - Namespace node | ||
312 | * Handler - Handler to be associated with the data | ||
313 | * Data - Data to be attached | ||
314 | * | ||
315 | * RETURN: Status | ||
316 | * | ||
317 | * DESCRIPTION: Low-level attach data. Create and attach a Data object. | ||
318 | * | ||
319 | ******************************************************************************/ | ||
320 | |||
321 | acpi_status | ||
322 | acpi_ns_attach_data(struct acpi_namespace_node *node, | ||
323 | acpi_object_handler handler, void *data) | ||
324 | { | ||
325 | union acpi_operand_object *prev_obj_desc; | ||
326 | union acpi_operand_object *obj_desc; | ||
327 | union acpi_operand_object *data_desc; | ||
328 | |||
329 | /* We only allow one attachment per handler */ | ||
330 | |||
331 | prev_obj_desc = NULL; | ||
332 | obj_desc = node->object; | ||
333 | while (obj_desc) { | ||
334 | if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) && | ||
335 | (obj_desc->data.handler == handler)) { | ||
336 | return (AE_ALREADY_EXISTS); | ||
337 | } | ||
338 | |||
339 | prev_obj_desc = obj_desc; | ||
340 | obj_desc = obj_desc->common.next_object; | ||
341 | } | ||
342 | |||
343 | /* Create an internal object for the data */ | ||
344 | |||
345 | data_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_DATA); | ||
346 | if (!data_desc) { | ||
347 | return (AE_NO_MEMORY); | ||
348 | } | ||
349 | |||
350 | data_desc->data.handler = handler; | ||
351 | data_desc->data.pointer = data; | ||
352 | |||
353 | /* Install the data object */ | ||
354 | |||
355 | if (prev_obj_desc) { | ||
356 | prev_obj_desc->common.next_object = data_desc; | ||
357 | } else { | ||
358 | node->object = data_desc; | ||
359 | } | ||
360 | |||
361 | return (AE_OK); | ||
362 | } | ||
363 | |||
364 | /******************************************************************************* | ||
365 | * | ||
366 | * FUNCTION: acpi_ns_detach_data | ||
367 | * | ||
368 | * PARAMETERS: Node - Namespace node | ||
369 | * Handler - Handler associated with the data | ||
370 | * | ||
371 | * RETURN: Status | ||
372 | * | ||
373 | * DESCRIPTION: Low-level detach data. Delete the data node, but the caller | ||
374 | * is responsible for the actual data. | ||
375 | * | ||
376 | ******************************************************************************/ | ||
377 | |||
378 | acpi_status | ||
379 | acpi_ns_detach_data(struct acpi_namespace_node * node, | ||
380 | acpi_object_handler handler) | ||
381 | { | ||
382 | union acpi_operand_object *obj_desc; | ||
383 | union acpi_operand_object *prev_obj_desc; | ||
384 | |||
385 | prev_obj_desc = NULL; | ||
386 | obj_desc = node->object; | ||
387 | while (obj_desc) { | ||
388 | if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) && | ||
389 | (obj_desc->data.handler == handler)) { | ||
390 | if (prev_obj_desc) { | ||
391 | prev_obj_desc->common.next_object = | ||
392 | obj_desc->common.next_object; | ||
393 | } else { | ||
394 | node->object = obj_desc->common.next_object; | ||
395 | } | ||
396 | |||
397 | acpi_ut_remove_reference(obj_desc); | ||
398 | return (AE_OK); | ||
399 | } | ||
400 | |||
401 | prev_obj_desc = obj_desc; | ||
402 | obj_desc = obj_desc->common.next_object; | ||
403 | } | ||
404 | |||
405 | return (AE_NOT_FOUND); | ||
406 | } | ||
407 | |||
408 | /******************************************************************************* | ||
409 | * | ||
410 | * FUNCTION: acpi_ns_get_attached_data | ||
411 | * | ||
412 | * PARAMETERS: Node - Namespace node | ||
413 | * Handler - Handler associated with the data | ||
414 | * Data - Where the data is returned | ||
415 | * | ||
416 | * RETURN: Status | ||
417 | * | ||
418 | * DESCRIPTION: Low level interface to obtain data previously associated with | ||
419 | * a namespace node. | ||
420 | * | ||
421 | ******************************************************************************/ | ||
422 | |||
423 | acpi_status | ||
424 | acpi_ns_get_attached_data(struct acpi_namespace_node * node, | ||
425 | acpi_object_handler handler, void **data) | ||
426 | { | ||
427 | union acpi_operand_object *obj_desc; | ||
428 | |||
429 | obj_desc = node->object; | ||
430 | while (obj_desc) { | ||
431 | if ((ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) && | ||
432 | (obj_desc->data.handler == handler)) { | ||
433 | *data = obj_desc->data.pointer; | ||
434 | return (AE_OK); | ||
435 | } | ||
436 | |||
437 | obj_desc = obj_desc->common.next_object; | ||
438 | } | ||
439 | |||
440 | return (AE_NOT_FOUND); | ||
441 | } | ||