Commit | Line | Data |
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1da177e4 LT |
1 | /******************************************************************************* |
2 | * | |
3 | * Module Name: rsmisc - Miscellaneous resource descriptors | |
4 | * | |
5 | ******************************************************************************/ | |
6 | ||
7 | /* | |
25f044e6 | 8 | * Copyright (C) 2000 - 2013, Intel Corp. |
1da177e4 LT |
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 | ||
1da177e4 | 44 | #include <acpi/acpi.h> |
e2f7a777 LB |
45 | #include "accommon.h" |
46 | #include "acresrc.h" | |
1da177e4 LT |
47 | |
48 | #define _COMPONENT ACPI_RESOURCES | |
4be44fcd | 49 | ACPI_MODULE_NAME("rsmisc") |
0897831b BM |
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 | |
bda663d3 RM |
56 | /******************************************************************************* |
57 | * | |
0897831b | 58 | * FUNCTION: acpi_rs_convert_aml_to_resource |
bda663d3 | 59 | * |
ba494bee BM |
60 | * PARAMETERS: resource - Pointer to the resource descriptor |
61 | * aml - Where the AML descriptor is returned | |
62 | * info - Pointer to appropriate conversion table | |
bda663d3 RM |
63 | * |
64 | * RETURN: Status | |
65 | * | |
0897831b BM |
66 | * DESCRIPTION: Convert an external AML resource descriptor to the corresponding |
67 | * internal resource descriptor | |
1da177e4 LT |
68 | * |
69 | ******************************************************************************/ | |
1da177e4 | 70 | acpi_status |
0897831b BM |
71 | acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, |
72 | union aml_resource *aml, | |
73 | struct acpi_rsconvert_info *info) | |
1da177e4 | 74 | { |
0897831b BM |
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 | ||
b229cf92 | 84 | ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); |
0897831b | 85 | |
e0fe0a8d LM |
86 | if (!info) { |
87 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
88 | } | |
89 | ||
67a119f9 | 90 | if (((acpi_size) resource) & 0x3) { |
52fc0b02 | 91 | |
b8e4d893 BM |
92 | /* Each internal resource struct is expected to be 32-bit aligned */ |
93 | ||
94 | ACPI_WARNING((AE_INFO, | |
f6a22b0b | 95 | "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u", |
b8e4d893 | 96 | resource, resource->type, resource->length)); |
0897831b | 97 | } |
44f6c012 | 98 | |
0897831b | 99 | /* Extract the resource Length field (does not include header length) */ |
1da177e4 | 100 | |
0897831b | 101 | aml_resource_length = acpi_ut_get_resource_length(aml); |
44f6c012 | 102 | |
0897831b BM |
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); | |
0897831b BM |
108 | while (count) { |
109 | /* | |
110 | * Source is the external AML byte stream buffer, | |
111 | * destination is the internal resource descriptor | |
112 | */ | |
c51a4de8 BM |
113 | source = ACPI_ADD_PTR(void, aml, info->aml_offset); |
114 | destination = | |
115 | ACPI_ADD_PTR(void, resource, info->resource_offset); | |
0897831b BM |
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 | */ | |
57bf6aef LZ |
139 | ACPI_SET8(destination, |
140 | ((ACPI_GET8(source) >> info->value) & 0x01)); | |
0897831b BM |
141 | break; |
142 | ||
143 | case ACPI_RSC_2BITFLAG: | |
144 | /* | |
145 | * Mask and shift the flag bits | |
146 | */ | |
57bf6aef LZ |
147 | ACPI_SET8(destination, |
148 | ((ACPI_GET8(source) >> info->value) & 0x03)); | |
0897831b BM |
149 | break; |
150 | ||
e0fe0a8d LM |
151 | case ACPI_RSC_3BITFLAG: |
152 | /* | |
153 | * Mask and shift the flag bits | |
154 | */ | |
57bf6aef LZ |
155 | ACPI_SET8(destination, |
156 | ((ACPI_GET8(source) >> info->value) & 0x07)); | |
e0fe0a8d LM |
157 | break; |
158 | ||
0897831b BM |
159 | case ACPI_RSC_COUNT: |
160 | ||
c51a4de8 | 161 | item_count = ACPI_GET8(source); |
57bf6aef | 162 | ACPI_SET8(destination, item_count); |
0897831b BM |
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; | |
57bf6aef | 171 | ACPI_SET16(destination, item_count); |
0897831b BM |
172 | |
173 | resource->length = resource->length + | |
174 | (info->value * (item_count - 1)); | |
175 | break; | |
176 | ||
e0fe0a8d LM |
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; | |
57bf6aef | 184 | ACPI_SET16(destination, item_count); |
e0fe0a8d LM |
185 | break; |
186 | ||
187 | case ACPI_RSC_COUNT_GPIO_VEN: | |
188 | ||
189 | item_count = ACPI_GET8(source); | |
57bf6aef | 190 | ACPI_SET8(destination, item_count); |
e0fe0a8d LM |
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; | |
57bf6aef | 219 | ACPI_SET16(destination, item_count); |
e0fe0a8d LM |
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; | |
57bf6aef | 227 | ACPI_SET16(destination, item_count); |
e0fe0a8d LM |
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; | |
57bf6aef | 237 | ACPI_SET16(destination, item_count); |
e0fe0a8d LM |
238 | break; |
239 | ||
0897831b BM |
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 | ||
e0fe0a8d LM |
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 | ||
0897831b BM |
326 | case ACPI_RSC_SET8: |
327 | ||
328 | ACPI_MEMSET(destination, info->aml_offset, info->value); | |
329 | break; | |
330 | ||
331 | case ACPI_RSC_DATA8: | |
332 | ||
c51a4de8 BM |
333 | target = ACPI_ADD_PTR(char, resource, info->value); |
334 | ACPI_MEMCPY(destination, source, ACPI_GET16(target)); | |
0897831b BM |
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 | */ | |
e0fe0a8d LM |
362 | target = ACPI_ADD_PTR(char, resource, |
363 | info->aml_offset + | |
364 | (item_count * 4)); | |
0897831b BM |
365 | |
366 | resource->length += | |
367 | acpi_rs_get_resource_source(aml_resource_length, | |
e0fe0a8d LM |
368 | (acpi_rs_length) |
369 | (((item_count - | |
370 | 1) * sizeof(u32)) + | |
371 | info->value), | |
372 | destination, aml, | |
373 | target); | |
0897831b BM |
374 | break; |
375 | ||
376 | case ACPI_RSC_BITMASK: | |
377 | /* | |
378 | * 8-bit encoded bitmask (DMA macro) | |
379 | */ | |
380 | item_count = | |
c51a4de8 | 381 | acpi_rs_decode_bitmask(ACPI_GET8(source), |
0897831b BM |
382 | destination); |
383 | if (item_count) { | |
c51a4de8 | 384 | resource->length += (item_count - 1); |
0897831b BM |
385 | } |
386 | ||
c51a4de8 | 387 | target = ACPI_ADD_PTR(char, resource, info->value); |
57bf6aef | 388 | ACPI_SET8(target, item_count); |
0897831b BM |
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) { | |
c51a4de8 | 400 | resource->length += (item_count - 1); |
0897831b BM |
401 | } |
402 | ||
c51a4de8 | 403 | target = ACPI_ADD_PTR(char, resource, info->value); |
57bf6aef | 404 | ACPI_SET8(target, item_count); |
0897831b BM |
405 | break; |
406 | ||
407 | case ACPI_RSC_EXIT_NE: | |
408 | /* | |
ba494bee | 409 | * control - Exit conversion if not equal |
0897831b BM |
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: | |
c51a4de8 | 419 | if (ACPI_GET8(source) != info->value) { |
0897831b BM |
420 | goto exit; |
421 | } | |
422 | break; | |
423 | ||
424 | default: | |
b8e4d893 BM |
425 | |
426 | ACPI_ERROR((AE_INFO, | |
427 | "Invalid conversion sub-opcode")); | |
0897831b BM |
428 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
429 | } | |
430 | break; | |
431 | ||
432 | default: | |
433 | ||
b8e4d893 | 434 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); |
0897831b BM |
435 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
436 | } | |
1da177e4 | 437 | |
0897831b BM |
438 | count--; |
439 | info++; | |
50eca3eb | 440 | } |
44f6c012 | 441 | |
0897831b BM |
442 | exit: |
443 | if (!flags_mode) { | |
52fc0b02 | 444 | |
ea936b78 | 445 | /* Round the resource struct length up to the next boundary (32 or 64) */ |
44f6c012 | 446 | |
52fc0b02 | 447 | resource->length = |
ea936b78 | 448 | (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length); |
0897831b | 449 | } |
4be44fcd | 450 | return_ACPI_STATUS(AE_OK); |
1da177e4 LT |
451 | } |
452 | ||
1da177e4 LT |
453 | /******************************************************************************* |
454 | * | |
0897831b | 455 | * FUNCTION: acpi_rs_convert_resource_to_aml |
1da177e4 | 456 | * |
ba494bee BM |
457 | * PARAMETERS: resource - Pointer to the resource descriptor |
458 | * aml - Where the AML descriptor is returned | |
459 | * info - Pointer to appropriate conversion table | |
1da177e4 LT |
460 | * |
461 | * RETURN: Status | |
462 | * | |
50eca3eb BM |
463 | * DESCRIPTION: Convert an internal resource descriptor to the corresponding |
464 | * external AML resource descriptor. | |
1da177e4 LT |
465 | * |
466 | ******************************************************************************/ | |
467 | ||
468 | acpi_status | |
0897831b BM |
469 | acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, |
470 | union aml_resource *aml, | |
471 | struct acpi_rsconvert_info *info) | |
1da177e4 | 472 | { |
0897831b BM |
473 | void *source = NULL; |
474 | void *destination; | |
e0fe0a8d | 475 | char *target; |
0897831b BM |
476 | acpi_rsdesc_size aml_length = 0; |
477 | u8 count; | |
478 | u16 temp16 = 0; | |
479 | u16 item_count = 0; | |
1da177e4 | 480 | |
b229cf92 | 481 | ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); |
50eca3eb | 482 | |
e0fe0a8d LM |
483 | if (!info) { |
484 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
485 | } | |
486 | ||
0897831b BM |
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 | */ | |
c51a4de8 BM |
498 | source = ACPI_ADD_PTR(void, resource, info->resource_offset); |
499 | destination = ACPI_ADD_PTR(void, aml, info->aml_offset); | |
0897831b BM |
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 | */ | |
57bf6aef | 517 | ACPI_SET8(destination, 0); |
0897831b BM |
518 | break; |
519 | ||
520 | case ACPI_RSC_1BITFLAG: | |
521 | /* | |
522 | * Mask and shift the flag bit | |
523 | */ | |
57bf6aef LZ |
524 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
525 | ((ACPI_GET8(source) & 0x01) << info-> | |
526 | value)); | |
0897831b BM |
527 | break; |
528 | ||
529 | case ACPI_RSC_2BITFLAG: | |
530 | /* | |
531 | * Mask and shift the flag bits | |
532 | */ | |
57bf6aef LZ |
533 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
534 | ((ACPI_GET8(source) & 0x03) << info-> | |
535 | value)); | |
0897831b BM |
536 | break; |
537 | ||
e0fe0a8d LM |
538 | case ACPI_RSC_3BITFLAG: |
539 | /* | |
540 | * Mask and shift the flag bits | |
541 | */ | |
57bf6aef LZ |
542 | ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) |
543 | ((ACPI_GET8(source) & 0x07) << info-> | |
544 | value)); | |
e0fe0a8d LM |
545 | break; |
546 | ||
0897831b BM |
547 | case ACPI_RSC_COUNT: |
548 | ||
c51a4de8 | 549 | item_count = ACPI_GET8(source); |
57bf6aef | 550 | ACPI_SET8(destination, item_count); |
0897831b | 551 | |
c51a4de8 BM |
552 | aml_length = |
553 | (u16) (aml_length + | |
554 | (info->value * (item_count - 1))); | |
0897831b BM |
555 | break; |
556 | ||
557 | case ACPI_RSC_COUNT16: | |
558 | ||
c51a4de8 | 559 | item_count = ACPI_GET16(source); |
0897831b BM |
560 | aml_length = (u16) (aml_length + item_count); |
561 | acpi_rs_set_resource_length(aml_length, aml); | |
562 | break; | |
563 | ||
e0fe0a8d LM |
564 | case ACPI_RSC_COUNT_GPIO_PIN: |
565 | ||
566 | item_count = ACPI_GET16(source); | |
57bf6aef | 567 | ACPI_SET16(destination, aml_length); |
e0fe0a8d LM |
568 | |
569 | aml_length = (u16)(aml_length + item_count * 2); | |
570 | target = ACPI_ADD_PTR(void, aml, info->value); | |
57bf6aef | 571 | ACPI_SET16(target, aml_length); |
e0fe0a8d LM |
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); | |
57bf6aef | 578 | ACPI_SET16(destination, item_count); |
e0fe0a8d LM |
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); | |
57bf6aef | 590 | ACPI_SET16(destination, aml_length); |
e0fe0a8d LM |
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) { | |
57bf6aef | 600 | ACPI_SET16(target, aml_length); |
e0fe0a8d LM |
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); | |
57bf6aef | 609 | ACPI_SET16(destination, item_count + info->value); |
e0fe0a8d LM |
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 | ||
0897831b BM |
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 | ||
e0fe0a8d LM |
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 | ||
0897831b BM |
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 = | |
3e8214e5 LZ |
692 | acpi_rs_set_resource_source(aml, |
693 | (acpi_rs_length) | |
0897831b BM |
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 | */ | |
57bf6aef LZ |
713 | ACPI_SET8(destination, |
714 | acpi_rs_encode_bitmask(source, | |
715 | *ACPI_ADD_PTR(u8, | |
716 | resource, | |
717 | info-> | |
718 | value))); | |
0897831b BM |
719 | break; |
720 | ||
721 | case ACPI_RSC_BITMASK16: | |
722 | /* | |
723 | * 16-bit encoded bitmask (IRQ macro) | |
724 | */ | |
c51a4de8 BM |
725 | temp16 = acpi_rs_encode_bitmask(source, |
726 | *ACPI_ADD_PTR(u8, | |
727 | resource, | |
728 | info-> | |
729 | value)); | |
0897831b BM |
730 | ACPI_MOVE_16_TO_16(destination, &temp16); |
731 | break; | |
732 | ||
733 | case ACPI_RSC_EXIT_LE: | |
734 | /* | |
ba494bee | 735 | * control - Exit conversion if less than or equal |
0897831b BM |
736 | */ |
737 | if (item_count <= info->value) { | |
738 | goto exit; | |
739 | } | |
740 | break; | |
741 | ||
742 | case ACPI_RSC_EXIT_NE: | |
743 | /* | |
ba494bee | 744 | * control - Exit conversion if not equal |
0897831b BM |
745 | */ |
746 | switch (COMPARE_OPCODE(info)) { | |
747 | case ACPI_RSC_COMPARE_VALUE: | |
c51a4de8 BM |
748 | |
749 | if (*ACPI_ADD_PTR(u8, resource, | |
750 | COMPARE_TARGET(info)) != | |
0897831b BM |
751 | COMPARE_VALUE(info)) { |
752 | goto exit; | |
753 | } | |
754 | break; | |
755 | ||
756 | default: | |
b8e4d893 BM |
757 | |
758 | ACPI_ERROR((AE_INFO, | |
759 | "Invalid conversion sub-opcode")); | |
0897831b BM |
760 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
761 | } | |
762 | break; | |
763 | ||
1d5b285d BM |
764 | case ACPI_RSC_EXIT_EQ: |
765 | /* | |
ba494bee | 766 | * control - Exit conversion if equal |
1d5b285d BM |
767 | */ |
768 | if (*ACPI_ADD_PTR(u8, resource, | |
769 | COMPARE_TARGET(info)) == | |
770 | COMPARE_VALUE(info)) { | |
771 | goto exit; | |
772 | } | |
773 | break; | |
774 | ||
0897831b BM |
775 | default: |
776 | ||
b8e4d893 | 777 | ACPI_ERROR((AE_INFO, "Invalid conversion opcode")); |
0897831b | 778 | return_ACPI_STATUS(AE_BAD_PARAMETER); |
50eca3eb | 779 | } |
1da177e4 | 780 | |
0897831b BM |
781 | count--; |
782 | info++; | |
1da177e4 LT |
783 | } |
784 | ||
0897831b | 785 | exit: |
4be44fcd | 786 | return_ACPI_STATUS(AE_OK); |
1da177e4 LT |
787 | } |
788 | ||
0897831b BM |
789 | #if 0 |
790 | /* Previous resource validations */ | |
44f6c012 | 791 | |
ba494bee | 792 | if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { |
0897831b | 793 | return_ACPI_STATUS(AE_SUPPORT); |
1da177e4 LT |
794 | } |
795 | ||
0897831b BM |
796 | if (resource->data.start_dpf.performance_robustness >= 3) { |
797 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_VALUE); | |
1da177e4 LT |
798 | } |
799 | ||
0897831b BM |
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 | */ | |
b8e4d893 | 806 | ACPI_ERROR((AE_INFO, |
f6a22b0b | 807 | "Invalid interrupt polarity/trigger in resource list, 0x%X", |
b8e4d893 | 808 | aml->irq.flags)); |
0897831b | 809 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 LT |
810 | } |
811 | ||
0897831b BM |
812 | resource->data.extended_irq.interrupt_count = temp8; |
813 | if (temp8 < 1) { | |
52fc0b02 | 814 | |
0897831b | 815 | /* Must have at least one IRQ */ |
44f6c012 | 816 | |
0897831b | 817 | return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); |
1da177e4 LT |
818 | } |
819 | ||
0897831b | 820 | if (resource->data.dma.transfer == 0x03) { |
b8e4d893 | 821 | ACPI_ERROR((AE_INFO, "Invalid DMA.Transfer preference (3)")); |
0897831b | 822 | return_ACPI_STATUS(AE_BAD_DATA); |
1da177e4 | 823 | } |
0897831b | 824 | #endif |