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[pohmelfs.git] / drivers / acpi / acpica / rsmisc.c
blob8073b371cc7cd32b44a4cab6dba88e3ae19b149f
1 /*******************************************************************************
2 *
3 * Module Name: rsmisc - Miscellaneous resource descriptors
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2012, 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 "accommon.h"
46 #include "acresrc.h"
47
48 #define _COMPONENT ACPI_RESOURCES
49 ACPI_MODULE_NAME("rsmisc")
50 #define INIT_RESOURCE_TYPE(i) i->resource_offset
51 #define INIT_RESOURCE_LENGTH(i) i->aml_offset
52 #define INIT_TABLE_LENGTH(i) i->value
53 #define COMPARE_OPCODE(i) i->resource_offset
54 #define COMPARE_TARGET(i) i->aml_offset
55 #define COMPARE_VALUE(i) i->value
56 /*******************************************************************************
57 *
58 * FUNCTION: acpi_rs_convert_aml_to_resource
59 *
60 * PARAMETERS: Resource - Pointer to the resource descriptor
61 * Aml - Where the AML descriptor is returned
62 * Info - Pointer to appropriate conversion table
63 *
64 * RETURN: Status
65 *
66 * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
67 * internal resource descriptor
68 *
69 ******************************************************************************/
70 acpi_status
71 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
72 union aml_resource *aml,
73 struct acpi_rsconvert_info *info)
74 {
75 acpi_rs_length aml_resource_length;
76 void *source;
77 void *destination;
78 char *target;
79 u8 count;
80 u8 flags_mode = FALSE;
81 u16 item_count = 0;
82 u16 temp16 = 0;
83
84 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
85
86 if (!info) {
87 return_ACPI_STATUS(AE_BAD_PARAMETER);
88 }
89
90 if (((acpi_size) resource) & 0x3) {
91
92 /* Each internal resource struct is expected to be 32-bit aligned */
93
94 ACPI_WARNING((AE_INFO,
95 "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
96 resource, resource->type, resource->length));
97 }
98
99 /* Extract the resource Length field (does not include header length) */
100
101 aml_resource_length = acpi_ut_get_resource_length(aml);
102
103 /*
104 * First table entry must be ACPI_RSC_INITxxx and must contain the
105 * table length (# of table entries)
106 */
107 count = INIT_TABLE_LENGTH(info);
108 while (count) {
109 /*
110 * Source is the external AML byte stream buffer,
111 * destination is the internal resource descriptor
112 */
113 source = ACPI_ADD_PTR(void, aml, info->aml_offset);
114 destination =
115 ACPI_ADD_PTR(void, resource, info->resource_offset);
116
117 switch (info->opcode) {
118 case ACPI_RSC_INITGET:
119 /*
120 * Get the resource type and the initial (minimum) length
121 */
122 ACPI_MEMSET(resource, 0, INIT_RESOURCE_LENGTH(info));
123 resource->type = INIT_RESOURCE_TYPE(info);
124 resource->length = INIT_RESOURCE_LENGTH(info);
125 break;
126
127 case ACPI_RSC_INITSET:
128 break;
129
130 case ACPI_RSC_FLAGINIT:
131
132 flags_mode = TRUE;
133 break;
134
135 case ACPI_RSC_1BITFLAG:
136 /*
137 * Mask and shift the flag bit
138 */
139 ACPI_SET8(destination) = (u8)
140 ((ACPI_GET8(source) >> info->value) & 0x01);
141 break;
142
143 case ACPI_RSC_2BITFLAG:
144 /*
145 * Mask and shift the flag bits
146 */
147 ACPI_SET8(destination) = (u8)
148 ((ACPI_GET8(source) >> info->value) & 0x03);
149 break;
150
151 case ACPI_RSC_3BITFLAG:
152 /*
153 * Mask and shift the flag bits
154 */
155 ACPI_SET8(destination) = (u8)
156 ((ACPI_GET8(source) >> info->value) & 0x07);
157 break;
158
159 case ACPI_RSC_COUNT:
160
161 item_count = ACPI_GET8(source);
162 ACPI_SET8(destination) = (u8) item_count;
163
164 resource->length = resource->length +
165 (info->value * (item_count - 1));
166 break;
167
168 case ACPI_RSC_COUNT16:
169
170 item_count = aml_resource_length;
171 ACPI_SET16(destination) = item_count;
172
173 resource->length = resource->length +
174 (info->value * (item_count - 1));
175 break;
176
177 case ACPI_RSC_COUNT_GPIO_PIN:
178
179 target = ACPI_ADD_PTR(void, aml, info->value);
180 item_count = ACPI_GET16(target) - ACPI_GET16(source);
181
182 resource->length = resource->length + item_count;
183 item_count = item_count / 2;
184 ACPI_SET16(destination) = item_count;
185 break;
186
187 case ACPI_RSC_COUNT_GPIO_VEN:
188
189 item_count = ACPI_GET8(source);
190 ACPI_SET8(destination) = (u8)item_count;
191
192 resource->length = resource->length +
193 (info->value * item_count);
194 break;
195
196 case ACPI_RSC_COUNT_GPIO_RES:
197
198 /*
199 * Vendor data is optional (length/offset may both be zero)
200 * Examine vendor data length field first
201 */
202 target = ACPI_ADD_PTR(void, aml, (info->value + 2));
203 if (ACPI_GET16(target)) {
204
205 /* Use vendor offset to get resource source length */
206
207 target = ACPI_ADD_PTR(void, aml, info->value);
208 item_count =
209 ACPI_GET16(target) - ACPI_GET16(source);
210 } else {
211 /* No vendor data to worry about */
212
213 item_count = aml->large_header.resource_length +
214 sizeof(struct aml_resource_large_header) -
215 ACPI_GET16(source);
216 }
217
218 resource->length = resource->length + item_count;
219 ACPI_SET16(destination) = item_count;
220 break;
221
222 case ACPI_RSC_COUNT_SERIAL_VEN:
223
224 item_count = ACPI_GET16(source) - info->value;
225
226 resource->length = resource->length + item_count;
227 ACPI_SET16(destination) = item_count;
228 break;
229
230 case ACPI_RSC_COUNT_SERIAL_RES:
231
232 item_count = (aml_resource_length +
233 sizeof(struct aml_resource_large_header))
234 - ACPI_GET16(source) - info->value;
235
236 resource->length = resource->length + item_count;
237 ACPI_SET16(destination) = item_count;
238 break;
239
240 case ACPI_RSC_LENGTH:
241
242 resource->length = resource->length + info->value;
243 break;
244
245 case ACPI_RSC_MOVE8:
246 case ACPI_RSC_MOVE16:
247 case ACPI_RSC_MOVE32:
248 case ACPI_RSC_MOVE64:
249 /*
250 * Raw data move. Use the Info value field unless item_count has
251 * been previously initialized via a COUNT opcode
252 */
253 if (info->value) {
254 item_count = info->value;
255 }
256 acpi_rs_move_data(destination, source, item_count,
257 info->opcode);
258 break;
259
260 case ACPI_RSC_MOVE_GPIO_PIN:
261
262 /* Generate and set the PIN data pointer */
263
264 target = (char *)ACPI_ADD_PTR(void, resource,
265 (resource->length -
266 item_count * 2));
267 *(u16 **)destination = ACPI_CAST_PTR(u16, target);
268
269 /* Copy the PIN data */
270
271 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
272 acpi_rs_move_data(target, source, item_count,
273 info->opcode);
274 break;
275
276 case ACPI_RSC_MOVE_GPIO_RES:
277
278 /* Generate and set the resource_source string pointer */
279
280 target = (char *)ACPI_ADD_PTR(void, resource,
281 (resource->length -
282 item_count));
283 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
284
285 /* Copy the resource_source string */
286
287 source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source));
288 acpi_rs_move_data(target, source, item_count,
289 info->opcode);
290 break;
291
292 case ACPI_RSC_MOVE_SERIAL_VEN:
293
294 /* Generate and set the Vendor Data pointer */
295
296 target = (char *)ACPI_ADD_PTR(void, resource,
297 (resource->length -
298 item_count));
299 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
300
301 /* Copy the Vendor Data */
302
303 source = ACPI_ADD_PTR(void, aml, info->value);
304 acpi_rs_move_data(target, source, item_count,
305 info->opcode);
306 break;
307
308 case ACPI_RSC_MOVE_SERIAL_RES:
309
310 /* Generate and set the resource_source string pointer */
311
312 target = (char *)ACPI_ADD_PTR(void, resource,
313 (resource->length -
314 item_count));
315 *(u8 **)destination = ACPI_CAST_PTR(u8, target);
316
317 /* Copy the resource_source string */
318
319 source =
320 ACPI_ADD_PTR(void, aml,
321 (ACPI_GET16(source) + info->value));
322 acpi_rs_move_data(target, source, item_count,
323 info->opcode);
324 break;
325
326 case ACPI_RSC_SET8:
327
328 ACPI_MEMSET(destination, info->aml_offset, info->value);
329 break;
330
331 case ACPI_RSC_DATA8:
332
333 target = ACPI_ADD_PTR(char, resource, info->value);
334 ACPI_MEMCPY(destination, source, ACPI_GET16(target));
335 break;
336
337 case ACPI_RSC_ADDRESS:
338 /*
339 * Common handler for address descriptor flags
340 */
341 if (!acpi_rs_get_address_common(resource, aml)) {
342 return_ACPI_STATUS
343 (AE_AML_INVALID_RESOURCE_TYPE);
344 }
345 break;
346
347 case ACPI_RSC_SOURCE:
348 /*
349 * Optional resource_source (Index and String)
350 */
351 resource->length +=
352 acpi_rs_get_resource_source(aml_resource_length,
353 info->value,
354 destination, aml, NULL);
355 break;
356
357 case ACPI_RSC_SOURCEX:
358 /*
359 * Optional resource_source (Index and String). This is the more
360 * complicated case used by the Interrupt() macro
361 */
362 target = ACPI_ADD_PTR(char, resource,
363 info->aml_offset +
364 (item_count * 4));
365
366 resource->length +=
367 acpi_rs_get_resource_source(aml_resource_length,
368 (acpi_rs_length)
369 (((item_count -
370 1) * sizeof(u32)) +
371 info->value),
372 destination, aml,
373 target);
374 break;
375
376 case ACPI_RSC_BITMASK:
377 /*
378 * 8-bit encoded bitmask (DMA macro)
379 */
380 item_count =
381 acpi_rs_decode_bitmask(ACPI_GET8(source),
382 destination);
383 if (item_count) {
384 resource->length += (item_count - 1);
385 }
386
387 target = ACPI_ADD_PTR(char, resource, info->value);
388 ACPI_SET8(target) = (u8) item_count;
389 break;
390
391 case ACPI_RSC_BITMASK16:
392 /*
393 * 16-bit encoded bitmask (IRQ macro)
394 */
395 ACPI_MOVE_16_TO_16(&temp16, source);
396
397 item_count =
398 acpi_rs_decode_bitmask(temp16, destination);
399 if (item_count) {
400 resource->length += (item_count - 1);
401 }
402
403 target = ACPI_ADD_PTR(char, resource, info->value);
404 ACPI_SET8(target) = (u8) item_count;
405 break;
406
407 case ACPI_RSC_EXIT_NE:
408 /*
409 * Control - Exit conversion if not equal
410 */
411 switch (info->resource_offset) {
412 case ACPI_RSC_COMPARE_AML_LENGTH:
413 if (aml_resource_length != info->value) {
414 goto exit;
415 }
416 break;
417
418 case ACPI_RSC_COMPARE_VALUE:
419 if (ACPI_GET8(source) != info->value) {
420 goto exit;
421 }
422 break;
423
424 default:
425
426 ACPI_ERROR((AE_INFO,
427 "Invalid conversion sub-opcode"));
428 return_ACPI_STATUS(AE_BAD_PARAMETER);
429 }
430 break;
431
432 default:
433
434 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
435 return_ACPI_STATUS(AE_BAD_PARAMETER);
436 }
437
438 count--;
439 info++;
440 }
441
442 exit:
443 if (!flags_mode) {
444
445 /* Round the resource struct length up to the next boundary (32 or 64) */
446
447 resource->length =
448 (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
449 }
450 return_ACPI_STATUS(AE_OK);
451 }
452
453 /*******************************************************************************
454 *
455 * FUNCTION: acpi_rs_convert_resource_to_aml
456 *
457 * PARAMETERS: Resource - Pointer to the resource descriptor
458 * Aml - Where the AML descriptor is returned
459 * Info - Pointer to appropriate conversion table
460 *
461 * RETURN: Status
462 *
463 * DESCRIPTION: Convert an internal resource descriptor to the corresponding
464 * external AML resource descriptor.
465 *
466 ******************************************************************************/
467
468 acpi_status
469 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
470 union aml_resource *aml,
471 struct acpi_rsconvert_info *info)
472 {
473 void *source = NULL;
474 void *destination;
475 char *target;
476 acpi_rsdesc_size aml_length = 0;
477 u8 count;
478 u16 temp16 = 0;
479 u16 item_count = 0;
480
481 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
482
483 if (!info) {
484 return_ACPI_STATUS(AE_BAD_PARAMETER);
485 }
486
487 /*
488 * First table entry must be ACPI_RSC_INITxxx and must contain the
489 * table length (# of table entries)
490 */
491 count = INIT_TABLE_LENGTH(info);
492
493 while (count) {
494 /*
495 * Source is the internal resource descriptor,
496 * destination is the external AML byte stream buffer
497 */
498 source = ACPI_ADD_PTR(void, resource, info->resource_offset);
499 destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
500
501 switch (info->opcode) {
502 case ACPI_RSC_INITSET:
503
504 ACPI_MEMSET(aml, 0, INIT_RESOURCE_LENGTH(info));
505 aml_length = INIT_RESOURCE_LENGTH(info);
506 acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info),
507 aml_length, aml);
508 break;
509
510 case ACPI_RSC_INITGET:
511 break;
512
513 case ACPI_RSC_FLAGINIT:
514 /*
515 * Clear the flag byte
516 */
517 ACPI_SET8(destination) = 0;
518 break;
519
520 case ACPI_RSC_1BITFLAG:
521 /*
522 * Mask and shift the flag bit
523 */
524 ACPI_SET8(destination) |= (u8)
525 ((ACPI_GET8(source) & 0x01) << info->value);
526 break;
527
528 case ACPI_RSC_2BITFLAG:
529 /*
530 * Mask and shift the flag bits
531 */
532 ACPI_SET8(destination) |= (u8)
533 ((ACPI_GET8(source) & 0x03) << info->value);
534 break;
535
536 case ACPI_RSC_3BITFLAG:
537 /*
538 * Mask and shift the flag bits
539 */
540 ACPI_SET8(destination) |= (u8)
541 ((ACPI_GET8(source) & 0x07) << info->value);
542 break;
543
544 case ACPI_RSC_COUNT:
545
546 item_count = ACPI_GET8(source);
547 ACPI_SET8(destination) = (u8) item_count;
548
549 aml_length =
550 (u16) (aml_length +
551 (info->value * (item_count - 1)));
552 break;
553
554 case ACPI_RSC_COUNT16:
555
556 item_count = ACPI_GET16(source);
557 aml_length = (u16) (aml_length + item_count);
558 acpi_rs_set_resource_length(aml_length, aml);
559 break;
560
561 case ACPI_RSC_COUNT_GPIO_PIN:
562
563 item_count = ACPI_GET16(source);
564 ACPI_SET16(destination) = (u16)aml_length;
565
566 aml_length = (u16)(aml_length + item_count * 2);
567 target = ACPI_ADD_PTR(void, aml, info->value);
568 ACPI_SET16(target) = (u16)aml_length;
569 acpi_rs_set_resource_length(aml_length, aml);
570 break;
571
572 case ACPI_RSC_COUNT_GPIO_VEN:
573
574 item_count = ACPI_GET16(source);
575 ACPI_SET16(destination) = (u16)item_count;
576
577 aml_length =
578 (u16)(aml_length + (info->value * item_count));
579 acpi_rs_set_resource_length(aml_length, aml);
580 break;
581
582 case ACPI_RSC_COUNT_GPIO_RES:
583
584 /* Set resource source string length */
585
586 item_count = ACPI_GET16(source);
587 ACPI_SET16(destination) = (u16)aml_length;
588
589 /* Compute offset for the Vendor Data */
590
591 aml_length = (u16)(aml_length + item_count);
592 target = ACPI_ADD_PTR(void, aml, info->value);
593
594 /* Set vendor offset only if there is vendor data */
595
596 if (resource->data.gpio.vendor_length) {
597 ACPI_SET16(target) = (u16)aml_length;
598 }
599
600 acpi_rs_set_resource_length(aml_length, aml);
601 break;
602
603 case ACPI_RSC_COUNT_SERIAL_VEN:
604
605 item_count = ACPI_GET16(source);
606 ACPI_SET16(destination) = item_count + info->value;
607 aml_length = (u16)(aml_length + item_count);
608 acpi_rs_set_resource_length(aml_length, aml);
609 break;
610
611 case ACPI_RSC_COUNT_SERIAL_RES:
612
613 item_count = ACPI_GET16(source);
614 aml_length = (u16)(aml_length + item_count);
615 acpi_rs_set_resource_length(aml_length, aml);
616 break;
617
618 case ACPI_RSC_LENGTH:
619
620 acpi_rs_set_resource_length(info->value, aml);
621 break;
622
623 case ACPI_RSC_MOVE8:
624 case ACPI_RSC_MOVE16:
625 case ACPI_RSC_MOVE32:
626 case ACPI_RSC_MOVE64:
627
628 if (info->value) {
629 item_count = info->value;
630 }
631 acpi_rs_move_data(destination, source, item_count,
632 info->opcode);
633 break;
634
635 case ACPI_RSC_MOVE_GPIO_PIN:
636
637 destination = (char *)ACPI_ADD_PTR(void, aml,
638 ACPI_GET16
639 (destination));
640 source = *(u16 **)source;
641 acpi_rs_move_data(destination, source, item_count,
642 info->opcode);
643 break;
644
645 case ACPI_RSC_MOVE_GPIO_RES:
646
647 /* Used for both resource_source string and vendor_data */
648
649 destination = (char *)ACPI_ADD_PTR(void, aml,
650 ACPI_GET16
651 (destination));
652 source = *(u8 **)source;
653 acpi_rs_move_data(destination, source, item_count,
654 info->opcode);
655 break;
656
657 case ACPI_RSC_MOVE_SERIAL_VEN:
658
659 destination = (char *)ACPI_ADD_PTR(void, aml,
660 (aml_length -
661 item_count));
662 source = *(u8 **)source;
663 acpi_rs_move_data(destination, source, item_count,
664 info->opcode);
665 break;
666
667 case ACPI_RSC_MOVE_SERIAL_RES:
668
669 destination = (char *)ACPI_ADD_PTR(void, aml,
670 (aml_length -
671 item_count));
672 source = *(u8 **)source;
673 acpi_rs_move_data(destination, source, item_count,
674 info->opcode);
675 break;
676
677 case ACPI_RSC_ADDRESS:
678
679 /* Set the Resource Type, General Flags, and Type-Specific Flags */
680
681 acpi_rs_set_address_common(aml, resource);
682 break;
683
684 case ACPI_RSC_SOURCEX:
685 /*
686 * Optional resource_source (Index and String)
687 */
688 aml_length =
689 acpi_rs_set_resource_source(aml, (acpi_rs_length)
690 aml_length, source);
691 acpi_rs_set_resource_length(aml_length, aml);
692 break;
693
694 case ACPI_RSC_SOURCE:
695 /*
696 * Optional resource_source (Index and String). This is the more
697 * complicated case used by the Interrupt() macro
698 */
699 aml_length =
700 acpi_rs_set_resource_source(aml, info->value,
701 source);
702 acpi_rs_set_resource_length(aml_length, aml);
703 break;
704
705 case ACPI_RSC_BITMASK:
706 /*
707 * 8-bit encoded bitmask (DMA macro)
708 */
709 ACPI_SET8(destination) = (u8)
710 acpi_rs_encode_bitmask(source,
711 *ACPI_ADD_PTR(u8, resource,
712 info->value));
713 break;
714
715 case ACPI_RSC_BITMASK16:
716 /*
717 * 16-bit encoded bitmask (IRQ macro)
718 */
719 temp16 = acpi_rs_encode_bitmask(source,
720 *ACPI_ADD_PTR(u8,
721 resource,
722 info->
723 value));
724 ACPI_MOVE_16_TO_16(destination, &temp16);
725 break;
726
727 case ACPI_RSC_EXIT_LE:
728 /*
729 * Control - Exit conversion if less than or equal
730 */
731 if (item_count <= info->value) {
732 goto exit;
733 }
734 break;
735
736 case ACPI_RSC_EXIT_NE:
737 /*
738 * Control - Exit conversion if not equal
739 */
740 switch (COMPARE_OPCODE(info)) {
741 case ACPI_RSC_COMPARE_VALUE:
742
743 if (*ACPI_ADD_PTR(u8, resource,
744 COMPARE_TARGET(info)) !=
745 COMPARE_VALUE(info)) {
746 goto exit;
747 }
748 break;
749
750 default:
751
752 ACPI_ERROR((AE_INFO,
753 "Invalid conversion sub-opcode"));
754 return_ACPI_STATUS(AE_BAD_PARAMETER);
755 }
756 break;
757
758 case ACPI_RSC_EXIT_EQ:
759 /*
760 * Control - Exit conversion if equal
761 */
762 if (*ACPI_ADD_PTR(u8, resource,
763 COMPARE_TARGET(info)) ==
764 COMPARE_VALUE(info)) {
765 goto exit;
766 }
767 break;
768
769 default:
770
771 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
772 return_ACPI_STATUS(AE_BAD_PARAMETER);
773 }
774
775 count--;
776 info++;
777 }
778
779 exit:
780 return_ACPI_STATUS(AE_OK);
781 }
782
783 #if 0
784 /* Previous resource validations */
785
786 if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
787 return_ACPI_STATUS(AE_SUPPORT);
788 }
789
790 if (resource->data.start_dpf.performance_robustness >= 3) {
791 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
792 }
793
794 if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
795 /*
796 * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
797 * polarity/trigger interrupts are allowed (ACPI spec, section
798 * "IRQ Format"), so 0x00 and 0x09 are illegal.
799 */
800 ACPI_ERROR((AE_INFO,
801 "Invalid interrupt polarity/trigger in resource list, 0x%X",
802 aml->irq.flags));
803 return_ACPI_STATUS(AE_BAD_DATA);
804 }
805
806 resource->data.extended_irq.interrupt_count = temp8;
807 if (temp8 < 1) {
808
809 /* Must have at least one IRQ */
810
811 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
812 }
813
814 if (resource->data.dma.transfer == 0x03) {
815 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
816 return_ACPI_STATUS(AE_BAD_DATA);
817 }
818 #endif