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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / acpi / acpica / rsmisc.c
1 /*******************************************************************************
2 *
3 * Module Name: rsmisc - Miscellaneous resource descriptors
4 *
5 ******************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2013, 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,
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,
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,
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, 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, 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, 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, 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_SET_BIT(*ACPI_CAST8(destination), (u8)
525 ((ACPI_GET8(source) & 0x01) << info->
526 value));
527 break;
528
529 case ACPI_RSC_2BITFLAG:
530 /*
531 * Mask and shift the flag bits
532 */
533 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
534 ((ACPI_GET8(source) & 0x03) << info->
535 value));
536 break;
537
538 case ACPI_RSC_3BITFLAG:
539 /*
540 * Mask and shift the flag bits
541 */
542 ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
543 ((ACPI_GET8(source) & 0x07) << info->
544 value));
545 break;
546
547 case ACPI_RSC_COUNT:
548
549 item_count = ACPI_GET8(source);
550 ACPI_SET8(destination, item_count);
551
552 aml_length =
553 (u16) (aml_length +
554 (info->value * (item_count - 1)));
555 break;
556
557 case ACPI_RSC_COUNT16:
558
559 item_count = ACPI_GET16(source);
560 aml_length = (u16) (aml_length + item_count);
561 acpi_rs_set_resource_length(aml_length, aml);
562 break;
563
564 case ACPI_RSC_COUNT_GPIO_PIN:
565
566 item_count = ACPI_GET16(source);
567 ACPI_SET16(destination, aml_length);
568
569 aml_length = (u16)(aml_length + item_count * 2);
570 target = ACPI_ADD_PTR(void, aml, info->value);
571 ACPI_SET16(target, aml_length);
572 acpi_rs_set_resource_length(aml_length, aml);
573 break;
574
575 case ACPI_RSC_COUNT_GPIO_VEN:
576
577 item_count = ACPI_GET16(source);
578 ACPI_SET16(destination, item_count);
579
580 aml_length =
581 (u16)(aml_length + (info->value * item_count));
582 acpi_rs_set_resource_length(aml_length, aml);
583 break;
584
585 case ACPI_RSC_COUNT_GPIO_RES:
586
587 /* Set resource source string length */
588
589 item_count = ACPI_GET16(source);
590 ACPI_SET16(destination, aml_length);
591
592 /* Compute offset for the Vendor Data */
593
594 aml_length = (u16)(aml_length + item_count);
595 target = ACPI_ADD_PTR(void, aml, info->value);
596
597 /* Set vendor offset only if there is vendor data */
598
599 if (resource->data.gpio.vendor_length) {
600 ACPI_SET16(target, aml_length);
601 }
602
603 acpi_rs_set_resource_length(aml_length, aml);
604 break;
605
606 case ACPI_RSC_COUNT_SERIAL_VEN:
607
608 item_count = ACPI_GET16(source);
609 ACPI_SET16(destination, item_count + info->value);
610 aml_length = (u16)(aml_length + item_count);
611 acpi_rs_set_resource_length(aml_length, aml);
612 break;
613
614 case ACPI_RSC_COUNT_SERIAL_RES:
615
616 item_count = ACPI_GET16(source);
617 aml_length = (u16)(aml_length + item_count);
618 acpi_rs_set_resource_length(aml_length, aml);
619 break;
620
621 case ACPI_RSC_LENGTH:
622
623 acpi_rs_set_resource_length(info->value, aml);
624 break;
625
626 case ACPI_RSC_MOVE8:
627 case ACPI_RSC_MOVE16:
628 case ACPI_RSC_MOVE32:
629 case ACPI_RSC_MOVE64:
630
631 if (info->value) {
632 item_count = info->value;
633 }
634 acpi_rs_move_data(destination, source, item_count,
635 info->opcode);
636 break;
637
638 case ACPI_RSC_MOVE_GPIO_PIN:
639
640 destination = (char *)ACPI_ADD_PTR(void, aml,
641 ACPI_GET16
642 (destination));
643 source = *(u16 **)source;
644 acpi_rs_move_data(destination, source, item_count,
645 info->opcode);
646 break;
647
648 case ACPI_RSC_MOVE_GPIO_RES:
649
650 /* Used for both resource_source string and vendor_data */
651
652 destination = (char *)ACPI_ADD_PTR(void, aml,
653 ACPI_GET16
654 (destination));
655 source = *(u8 **)source;
656 acpi_rs_move_data(destination, source, item_count,
657 info->opcode);
658 break;
659
660 case ACPI_RSC_MOVE_SERIAL_VEN:
661
662 destination = (char *)ACPI_ADD_PTR(void, aml,
663 (aml_length -
664 item_count));
665 source = *(u8 **)source;
666 acpi_rs_move_data(destination, source, item_count,
667 info->opcode);
668 break;
669
670 case ACPI_RSC_MOVE_SERIAL_RES:
671
672 destination = (char *)ACPI_ADD_PTR(void, aml,
673 (aml_length -
674 item_count));
675 source = *(u8 **)source;
676 acpi_rs_move_data(destination, source, item_count,
677 info->opcode);
678 break;
679
680 case ACPI_RSC_ADDRESS:
681
682 /* Set the Resource Type, General Flags, and Type-Specific Flags */
683
684 acpi_rs_set_address_common(aml, resource);
685 break;
686
687 case ACPI_RSC_SOURCEX:
688 /*
689 * Optional resource_source (Index and String)
690 */
691 aml_length =
692 acpi_rs_set_resource_source(aml,
693 (acpi_rs_length)
694 aml_length, source);
695 acpi_rs_set_resource_length(aml_length, aml);
696 break;
697
698 case ACPI_RSC_SOURCE:
699 /*
700 * Optional resource_source (Index and String). This is the more
701 * complicated case used by the Interrupt() macro
702 */
703 aml_length =
704 acpi_rs_set_resource_source(aml, info->value,
705 source);
706 acpi_rs_set_resource_length(aml_length, aml);
707 break;
708
709 case ACPI_RSC_BITMASK:
710 /*
711 * 8-bit encoded bitmask (DMA macro)
712 */
713 ACPI_SET8(destination,
714 acpi_rs_encode_bitmask(source,
715 *ACPI_ADD_PTR(u8,
716 resource,
717 info->
718 value)));
719 break;
720
721 case ACPI_RSC_BITMASK16:
722 /*
723 * 16-bit encoded bitmask (IRQ macro)
724 */
725 temp16 = acpi_rs_encode_bitmask(source,
726 *ACPI_ADD_PTR(u8,
727 resource,
728 info->
729 value));
730 ACPI_MOVE_16_TO_16(destination, &temp16);
731 break;
732
733 case ACPI_RSC_EXIT_LE:
734 /*
735 * control - Exit conversion if less than or equal
736 */
737 if (item_count <= info->value) {
738 goto exit;
739 }
740 break;
741
742 case ACPI_RSC_EXIT_NE:
743 /*
744 * control - Exit conversion if not equal
745 */
746 switch (COMPARE_OPCODE(info)) {
747 case ACPI_RSC_COMPARE_VALUE:
748
749 if (*ACPI_ADD_PTR(u8, resource,
750 COMPARE_TARGET(info)) !=
751 COMPARE_VALUE(info)) {
752 goto exit;
753 }
754 break;
755
756 default:
757
758 ACPI_ERROR((AE_INFO,
759 "Invalid conversion sub-opcode"));
760 return_ACPI_STATUS(AE_BAD_PARAMETER);
761 }
762 break;
763
764 case ACPI_RSC_EXIT_EQ:
765 /*
766 * control - Exit conversion if equal
767 */
768 if (*ACPI_ADD_PTR(u8, resource,
769 COMPARE_TARGET(info)) ==
770 COMPARE_VALUE(info)) {
771 goto exit;
772 }
773 break;
774
775 default:
776
777 ACPI_ERROR((AE_INFO, "Invalid conversion opcode"));
778 return_ACPI_STATUS(AE_BAD_PARAMETER);
779 }
780
781 count--;
782 info++;
783 }
784
785 exit:
786 return_ACPI_STATUS(AE_OK);
787 }
788
789 #if 0
790 /* Previous resource validations */
791
792 if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) {
793 return_ACPI_STATUS(AE_SUPPORT);
794 }
795
796 if (resource->data.start_dpf.performance_robustness >= 3) {
797 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE);
798 }
799
800 if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
801 /*
802 * Only [active_high, edge_sensitive] or [active_low, level_sensitive]
803 * polarity/trigger interrupts are allowed (ACPI spec, section
804 * "IRQ Format"), so 0x00 and 0x09 are illegal.
805 */
806 ACPI_ERROR((AE_INFO,
807 "Invalid interrupt polarity/trigger in resource list, 0x%X",
808 aml->irq.flags));
809 return_ACPI_STATUS(AE_BAD_DATA);
810 }
811
812 resource->data.extended_irq.interrupt_count = temp8;
813 if (temp8 < 1) {
814
815 /* Must have at least one IRQ */
816
817 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
818 }
819
820 if (resource->data.dma.transfer == 0x03) {
821 ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)"));
822 return_ACPI_STATUS(AE_BAD_DATA);
823 }
824 #endif
kernel source for telekom puls (alcatel/mediatek)