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1 | /******************************************************************************* | |
2 | * | |
3 | * Module Name: rsmisc - Miscellaneous resource descriptors | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
8 | * Copyright (C) 2000 - 2017, 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 | 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 = | |
193 | resource->length + (info->value * item_count); | |
194 | break; | |
195 | ||
196 | case ACPI_RSC_COUNT_GPIO_RES: | |
197 | /* | |
198 | * Vendor data is optional (length/offset may both be zero) | |
199 | * Examine vendor data length field first | |
200 | */ | |
201 | target = ACPI_ADD_PTR(void, aml, (info->value + 2)); | |
202 | if (ACPI_GET16(target)) { | |
203 | ||
204 | /* Use vendor offset to get resource source length */ | |
205 | ||
206 | target = ACPI_ADD_PTR(void, aml, info->value); | |
207 | item_count = | |
208 | ACPI_GET16(target) - ACPI_GET16(source); | |
209 | } else { | |
210 | /* No vendor data to worry about */ | |
211 | ||
212 | item_count = aml->large_header.resource_length + | |
213 | sizeof(struct aml_resource_large_header) - | |
214 | ACPI_GET16(source); | |
215 | } | |
216 | ||
217 | resource->length = resource->length + item_count; | |
218 | ACPI_SET16(destination, item_count); | |
219 | break; | |
220 | ||
221 | case ACPI_RSC_COUNT_SERIAL_VEN: | |
222 | ||
223 | item_count = ACPI_GET16(source) - info->value; | |
224 | ||
225 | resource->length = resource->length + item_count; | |
226 | ACPI_SET16(destination, item_count); | |
227 | break; | |
228 | ||
229 | case ACPI_RSC_COUNT_SERIAL_RES: | |
230 | ||
231 | item_count = (aml_resource_length + | |
232 | sizeof(struct aml_resource_large_header)) | |
233 | - ACPI_GET16(source) - info->value; | |
234 | ||
235 | resource->length = resource->length + item_count; | |
236 | ACPI_SET16(destination, item_count); | |
237 | break; | |
238 | ||
239 | case ACPI_RSC_LENGTH: | |
240 | ||
241 | resource->length = resource->length + info->value; | |
242 | break; | |
243 | ||
244 | case ACPI_RSC_MOVE8: | |
245 | case ACPI_RSC_MOVE16: | |
246 | case ACPI_RSC_MOVE32: | |
247 | case ACPI_RSC_MOVE64: | |
248 | /* | |
249 | * Raw data move. Use the Info value field unless item_count has | |
250 | * been previously initialized via a COUNT opcode | |
251 | */ | |
252 | if (info->value) { | |
253 | item_count = info->value; | |
254 | } | |
255 | acpi_rs_move_data(destination, source, item_count, | |
256 | info->opcode); | |
257 | break; | |
258 | ||
259 | case ACPI_RSC_MOVE_GPIO_PIN: | |
260 | ||
261 | /* Generate and set the PIN data pointer */ | |
262 | ||
263 | target = (char *)ACPI_ADD_PTR(void, resource, | |
264 | (resource->length - | |
265 | item_count * 2)); | |
266 | *(u16 **)destination = ACPI_CAST_PTR(u16, target); | |
267 | ||
268 | /* Copy the PIN data */ | |
269 | ||
270 | source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); | |
271 | acpi_rs_move_data(target, source, item_count, | |
272 | info->opcode); | |
273 | break; | |
274 | ||
275 | case ACPI_RSC_MOVE_GPIO_RES: | |
276 | ||
277 | /* Generate and set the resource_source string pointer */ | |
278 | ||
279 | target = (char *)ACPI_ADD_PTR(void, resource, | |
280 | (resource->length - | |
281 | item_count)); | |
282 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); | |
283 | ||
284 | /* Copy the resource_source string */ | |
285 | ||
286 | source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); | |
287 | acpi_rs_move_data(target, source, item_count, | |
288 | info->opcode); | |
289 | break; | |
290 | ||
291 | case ACPI_RSC_MOVE_SERIAL_VEN: | |
292 | ||
293 | /* Generate and set the Vendor Data pointer */ | |
294 | ||
295 | target = (char *)ACPI_ADD_PTR(void, resource, | |
296 | (resource->length - | |
297 | item_count)); | |
298 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); | |
299 | ||
300 | /* Copy the Vendor Data */ | |
301 | ||
302 | source = ACPI_ADD_PTR(void, aml, info->value); | |
303 | acpi_rs_move_data(target, source, item_count, | |
304 | info->opcode); | |
305 | break; | |
306 | ||
307 | case ACPI_RSC_MOVE_SERIAL_RES: | |
308 | ||
309 | /* Generate and set the resource_source string pointer */ | |
310 | ||
311 | target = (char *)ACPI_ADD_PTR(void, resource, | |
312 | (resource->length - | |
313 | item_count)); | |
314 | *(u8 **)destination = ACPI_CAST_PTR(u8, target); | |
315 | ||
316 | /* Copy the resource_source string */ | |
317 | ||
318 | source = | |
319 | ACPI_ADD_PTR(void, aml, | |
320 | (ACPI_GET16(source) + info->value)); | |
321 | acpi_rs_move_data(target, source, item_count, | |
322 | info->opcode); | |
323 | break; | |
324 | ||
325 | case ACPI_RSC_SET8: | |
326 | ||
327 | memset(destination, info->aml_offset, info->value); | |
328 | break; | |
329 | ||
330 | case ACPI_RSC_DATA8: | |
331 | ||
332 | target = ACPI_ADD_PTR(char, resource, info->value); | |
333 | memcpy(destination, source, ACPI_GET16(target)); | |
334 | break; | |
335 | ||
336 | case ACPI_RSC_ADDRESS: | |
337 | /* | |
338 | * Common handler for address descriptor flags | |
339 | */ | |
340 | if (!acpi_rs_get_address_common(resource, aml)) { | |
341 | return_ACPI_STATUS | |
342 | (AE_AML_INVALID_RESOURCE_TYPE); | |
343 | } | |
344 | break; | |
345 | ||
346 | case ACPI_RSC_SOURCE: | |
347 | /* | |
348 | * Optional resource_source (Index and String) | |
349 | */ | |
350 | resource->length += | |
351 | acpi_rs_get_resource_source(aml_resource_length, | |
352 | info->value, | |
353 | destination, aml, NULL); | |
354 | break; | |
355 | ||
356 | case ACPI_RSC_SOURCEX: | |
357 | /* | |
358 | * Optional resource_source (Index and String). This is the more | |
359 | * complicated case used by the Interrupt() macro | |
360 | */ | |
361 | target = ACPI_ADD_PTR(char, resource, | |
362 | info->aml_offset + | |
363 | (item_count * 4)); | |
364 | ||
365 | resource->length += | |
366 | acpi_rs_get_resource_source(aml_resource_length, | |
367 | (acpi_rs_length) | |
368 | (((item_count - | |
369 | 1) * sizeof(u32)) + | |
370 | info->value), | |
371 | destination, aml, | |
372 | target); | |
373 | break; | |
374 | ||
375 | case ACPI_RSC_BITMASK: | |
376 | /* | |
377 | * 8-bit encoded bitmask (DMA macro) | |
378 | */ | |
379 | item_count = | |
380 | acpi_rs_decode_bitmask(ACPI_GET8(source), | |
381 | destination); | |
382 | if (item_count) { | |
383 | resource->length += (item_count - 1); | |
384 | } | |
385 | ||
386 | target = ACPI_ADD_PTR(char, resource, info->value); | |
387 | ACPI_SET8(target, item_count); | |
388 | break; | |
389 | ||
390 | case ACPI_RSC_BITMASK16: | |
391 | /* | |
392 | * 16-bit encoded bitmask (IRQ macro) | |
393 | */ | |
394 | ACPI_MOVE_16_TO_16(&temp16, source); | |
395 | ||
396 | item_count = | |
397 | acpi_rs_decode_bitmask(temp16, destination); | |
398 | if (item_count) { | |
399 | resource->length += (item_count - 1); | |
400 | } | |
401 | ||
402 | target = ACPI_ADD_PTR(char, resource, info->value); | |
403 | ACPI_SET8(target, item_count); | |
404 | break; | |
405 | ||
406 | case ACPI_RSC_EXIT_NE: | |
407 | /* | |
408 | * control - Exit conversion if not equal | |
409 | */ | |
410 | switch (info->resource_offset) { | |
411 | case ACPI_RSC_COMPARE_AML_LENGTH: | |
412 | ||
413 | if (aml_resource_length != info->value) { | |
414 | goto exit; | |
415 | } | |
416 | break; | |
417 | ||
418 | case ACPI_RSC_COMPARE_VALUE: | |
419 | ||
420 | if (ACPI_GET8(source) != info->value) { | |
421 | goto exit; | |
422 | } | |
423 | break; | |
424 | ||
425 | default: | |
426 | ||
427 | ACPI_ERROR((AE_INFO, | |
428 | "Invalid conversion sub-opcode")); | |
429 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
430 | } | |
431 | break; | |
432 | ||
433 | default: | |
434 | ||
435 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); | |
436 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
437 | } | |
438 | ||
439 | count--; | |
440 | info++; | |
441 | } | |
442 | ||
443 | exit: | |
444 | if (!flags_mode) { | |
445 | ||
446 | /* Round the resource struct length up to the next boundary (32 or 64) */ | |
447 | ||
448 | resource->length = (u32) | |
449 | ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); | |
450 | } | |
451 | return_ACPI_STATUS(AE_OK); | |
452 | } | |
453 | ||
454 | /******************************************************************************* | |
455 | * | |
456 | * FUNCTION: acpi_rs_convert_resource_to_aml | |
457 | * | |
458 | * PARAMETERS: resource - Pointer to the resource descriptor | |
459 | * aml - Where the AML descriptor is returned | |
460 | * info - Pointer to appropriate conversion table | |
461 | * | |
462 | * RETURN: Status | |
463 | * | |
464 | * DESCRIPTION: Convert an internal resource descriptor to the corresponding | |
465 | * external AML resource descriptor. | |
466 | * | |
467 | ******************************************************************************/ | |
468 | ||
469 | acpi_status | |
470 | acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, | |
471 | union aml_resource *aml, | |
472 | struct acpi_rsconvert_info *info) | |
473 | { | |
474 | void *source = NULL; | |
475 | void *destination; | |
476 | char *target; | |
477 | acpi_rsdesc_size aml_length = 0; | |
478 | u8 count; | |
479 | u16 temp16 = 0; | |
480 | u16 item_count = 0; | |
481 | ||
482 | ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); | |
483 | ||
484 | if (!info) { | |
485 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
486 | } | |
487 | ||
488 | /* | |
489 | * First table entry must be ACPI_RSC_INITxxx and must contain the | |
490 | * table length (# of table entries) | |
491 | */ | |
492 | count = INIT_TABLE_LENGTH(info); | |
493 | ||
494 | while (count) { | |
495 | /* | |
496 | * Source is the internal resource descriptor, | |
497 | * destination is the external AML byte stream buffer | |
498 | */ | |
499 | source = ACPI_ADD_PTR(void, resource, info->resource_offset); | |
500 | destination = ACPI_ADD_PTR(void, aml, info->aml_offset); | |
501 | ||
502 | switch (info->opcode) { | |
503 | case ACPI_RSC_INITSET: | |
504 | ||
505 | memset(aml, 0, INIT_RESOURCE_LENGTH(info)); | |
506 | aml_length = INIT_RESOURCE_LENGTH(info); | |
507 | acpi_rs_set_resource_header(INIT_RESOURCE_TYPE(info), | |
508 | aml_length, aml); | |
509 | break; | |
510 | ||
511 | case ACPI_RSC_INITGET: | |
512 | break; | |
513 | ||
514 | case ACPI_RSC_FLAGINIT: | |
515 | /* | |
516 | * Clear the flag byte | |
517 | */ | |
518 | ACPI_SET8(destination, 0); | |
519 | break; | |
520 | ||
521 | case ACPI_RSC_1BITFLAG: | |
522 | /* | |
523 | * Mask and shift the flag bit | |
524 | */ | |
525 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) | |
526 | ((ACPI_GET8(source) & 0x01) << info-> | |
527 | value)); | |
528 | break; | |
529 | ||
530 | case ACPI_RSC_2BITFLAG: | |
531 | /* | |
532 | * Mask and shift the flag bits | |
533 | */ | |
534 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) | |
535 | ((ACPI_GET8(source) & 0x03) << info-> | |
536 | value)); | |
537 | break; | |
538 | ||
539 | case ACPI_RSC_3BITFLAG: | |
540 | /* | |
541 | * Mask and shift the flag bits | |
542 | */ | |
543 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) | |
544 | ((ACPI_GET8(source) & 0x07) << info-> | |
545 | value)); | |
546 | break; | |
547 | ||
548 | case ACPI_RSC_COUNT: | |
549 | ||
550 | item_count = ACPI_GET8(source); | |
551 | ACPI_SET8(destination, item_count); | |
552 | ||
553 | aml_length = (u16) | |
554 | (aml_length + (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 = | |
726 | acpi_rs_encode_bitmask(source, | |
727 | *ACPI_ADD_PTR(u8, resource, | |
728 | info->value)); | |
729 | ACPI_MOVE_16_TO_16(destination, &temp16); | |
730 | break; | |
731 | ||
732 | case ACPI_RSC_EXIT_LE: | |
733 | /* | |
734 | * control - Exit conversion if less than or equal | |
735 | */ | |
736 | if (item_count <= info->value) { | |
737 | goto exit; | |
738 | } | |
739 | break; | |
740 | ||
741 | case ACPI_RSC_EXIT_NE: | |
742 | /* | |
743 | * control - Exit conversion if not equal | |
744 | */ | |
745 | switch (COMPARE_OPCODE(info)) { | |
746 | case ACPI_RSC_COMPARE_VALUE: | |
747 | ||
748 | if (*ACPI_ADD_PTR(u8, resource, | |
749 | COMPARE_TARGET(info)) != | |
750 | COMPARE_VALUE(info)) { | |
751 | goto exit; | |
752 | } | |
753 | break; | |
754 | ||
755 | default: | |
756 | ||
757 | ACPI_ERROR((AE_INFO, | |
758 | "Invalid conversion sub-opcode")); | |
759 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
760 | } | |
761 | break; | |
762 | ||
763 | case ACPI_RSC_EXIT_EQ: | |
764 | /* | |
765 | * control - Exit conversion if equal | |
766 | */ | |
767 | if (*ACPI_ADD_PTR(u8, resource, | |
768 | COMPARE_TARGET(info)) == | |
769 | COMPARE_VALUE(info)) { | |
770 | goto exit; | |
771 | } | |
772 | break; | |
773 | ||
774 | default: | |
775 | ||
776 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); | |
777 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
778 | } | |
779 | ||
780 | count--; | |
781 | info++; | |
782 | } | |
783 | ||
784 | exit: | |
785 | return_ACPI_STATUS(AE_OK); | |
786 | } | |
787 | ||
788 | #if 0 | |
789 | /* Previous resource validations */ | |
790 | ||
791 | if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { | |
792 | return_ACPI_STATUS(AE_SUPPORT); | |
793 | } | |
794 | ||
795 | if (resource->data.start_dpf.performance_robustness >= 3) { | |
796 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); | |
797 | } | |
798 | ||
799 | if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) { | |
800 | /* | |
801 | * Only [active_high, edge_sensitive] or [active_low, level_sensitive] | |
802 | * polarity/trigger interrupts are allowed (ACPI spec, section | |
803 | * "IRQ Format"), so 0x00 and 0x09 are illegal. | |
804 | */ | |
805 | ACPI_ERROR((AE_INFO, | |
806 | "Invalid interrupt polarity/trigger in resource list, 0x%X", | |
807 | aml->irq.flags)); | |
808 | return_ACPI_STATUS(AE_BAD_DATA); | |
809 | } | |
810 | ||
811 | resource->data.extended_irq.interrupt_count = temp8; | |
812 | if (temp8 < 1) { | |
813 | ||
814 | /* Must have at least one IRQ */ | |
815 | ||
816 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); | |
817 | } | |
818 | ||
819 | if (resource->data.dma.transfer == 0x03) { | |
820 | ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); | |
821 | return_ACPI_STATUS(AE_BAD_DATA); | |
822 | } | |
823 | #endif |