rsmisc.c revision 1.1.1.4.2.2 1 1.1 jruoho /*******************************************************************************
2 1.1 jruoho *
3 1.1 jruoho * Module Name: rsmisc - Miscellaneous resource descriptors
4 1.1 jruoho *
5 1.1 jruoho ******************************************************************************/
6 1.1 jruoho
7 1.1.1.2 jruoho /*
8 1.1.1.4.2.1 skrll * Copyright (C) 2000 - 2015, Intel Corp.
9 1.1 jruoho * All rights reserved.
10 1.1 jruoho *
11 1.1.1.2 jruoho * Redistribution and use in source and binary forms, with or without
12 1.1.1.2 jruoho * modification, are permitted provided that the following conditions
13 1.1.1.2 jruoho * are met:
14 1.1.1.2 jruoho * 1. Redistributions of source code must retain the above copyright
15 1.1.1.2 jruoho * notice, this list of conditions, and the following disclaimer,
16 1.1.1.2 jruoho * without modification.
17 1.1.1.2 jruoho * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 1.1.1.2 jruoho * substantially similar to the "NO WARRANTY" disclaimer below
19 1.1.1.2 jruoho * ("Disclaimer") and any redistribution must be conditioned upon
20 1.1.1.2 jruoho * including a substantially similar Disclaimer requirement for further
21 1.1.1.2 jruoho * binary redistribution.
22 1.1.1.2 jruoho * 3. Neither the names of the above-listed copyright holders nor the names
23 1.1.1.2 jruoho * of any contributors may be used to endorse or promote products derived
24 1.1.1.2 jruoho * from this software without specific prior written permission.
25 1.1.1.2 jruoho *
26 1.1.1.2 jruoho * Alternatively, this software may be distributed under the terms of the
27 1.1.1.2 jruoho * GNU General Public License ("GPL") version 2 as published by the Free
28 1.1.1.2 jruoho * Software Foundation.
29 1.1.1.2 jruoho *
30 1.1.1.2 jruoho * NO WARRANTY
31 1.1.1.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 1.1.1.2 jruoho * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 1.1.1.2 jruoho * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 1.1.1.2 jruoho * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 1.1.1.2 jruoho * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 1.1.1.2 jruoho * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 1.1.1.2 jruoho * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 1.1.1.2 jruoho * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 1.1.1.2 jruoho * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 1.1.1.2 jruoho * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 1.1.1.2 jruoho * POSSIBILITY OF SUCH DAMAGES.
42 1.1.1.2 jruoho */
43 1.1 jruoho
44 1.1 jruoho #include "acpi.h"
45 1.1 jruoho #include "accommon.h"
46 1.1 jruoho #include "acresrc.h"
47 1.1 jruoho
48 1.1 jruoho #define _COMPONENT ACPI_RESOURCES
49 1.1 jruoho ACPI_MODULE_NAME ("rsmisc")
50 1.1 jruoho
51 1.1 jruoho
52 1.1 jruoho #define INIT_RESOURCE_TYPE(i) i->ResourceOffset
53 1.1 jruoho #define INIT_RESOURCE_LENGTH(i) i->AmlOffset
54 1.1 jruoho #define INIT_TABLE_LENGTH(i) i->Value
55 1.1 jruoho
56 1.1 jruoho #define COMPARE_OPCODE(i) i->ResourceOffset
57 1.1 jruoho #define COMPARE_TARGET(i) i->AmlOffset
58 1.1 jruoho #define COMPARE_VALUE(i) i->Value
59 1.1 jruoho
60 1.1 jruoho
61 1.1 jruoho /*******************************************************************************
62 1.1 jruoho *
63 1.1 jruoho * FUNCTION: AcpiRsConvertAmlToResource
64 1.1 jruoho *
65 1.1 jruoho * PARAMETERS: Resource - Pointer to the resource descriptor
66 1.1 jruoho * Aml - Where the AML descriptor is returned
67 1.1 jruoho * Info - Pointer to appropriate conversion table
68 1.1 jruoho *
69 1.1 jruoho * RETURN: Status
70 1.1 jruoho *
71 1.1 jruoho * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
72 1.1 jruoho * internal resource descriptor
73 1.1 jruoho *
74 1.1 jruoho ******************************************************************************/
75 1.1 jruoho
76 1.1 jruoho ACPI_STATUS
77 1.1 jruoho AcpiRsConvertAmlToResource (
78 1.1 jruoho ACPI_RESOURCE *Resource,
79 1.1 jruoho AML_RESOURCE *Aml,
80 1.1 jruoho ACPI_RSCONVERT_INFO *Info)
81 1.1 jruoho {
82 1.1 jruoho ACPI_RS_LENGTH AmlResourceLength;
83 1.1 jruoho void *Source;
84 1.1 jruoho void *Destination;
85 1.1 jruoho char *Target;
86 1.1 jruoho UINT8 Count;
87 1.1 jruoho UINT8 FlagsMode = FALSE;
88 1.1 jruoho UINT16 ItemCount = 0;
89 1.1 jruoho UINT16 Temp16 = 0;
90 1.1 jruoho
91 1.1 jruoho
92 1.1 jruoho ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
93 1.1 jruoho
94 1.1 jruoho
95 1.1.1.3 christos if (!Info)
96 1.1.1.3 christos {
97 1.1.1.3 christos return_ACPI_STATUS (AE_BAD_PARAMETER);
98 1.1.1.3 christos }
99 1.1.1.3 christos
100 1.1 jruoho if (((ACPI_SIZE) Resource) & 0x3)
101 1.1 jruoho {
102 1.1 jruoho /* Each internal resource struct is expected to be 32-bit aligned */
103 1.1 jruoho
104 1.1 jruoho ACPI_WARNING ((AE_INFO,
105 1.1 jruoho "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
106 1.1 jruoho Resource, Resource->Type, Resource->Length));
107 1.1 jruoho }
108 1.1 jruoho
109 1.1 jruoho /* Extract the resource Length field (does not include header length) */
110 1.1 jruoho
111 1.1 jruoho AmlResourceLength = AcpiUtGetResourceLength (Aml);
112 1.1 jruoho
113 1.1 jruoho /*
114 1.1 jruoho * First table entry must be ACPI_RSC_INITxxx and must contain the
115 1.1 jruoho * table length (# of table entries)
116 1.1 jruoho */
117 1.1 jruoho Count = INIT_TABLE_LENGTH (Info);
118 1.1 jruoho while (Count)
119 1.1 jruoho {
120 1.1 jruoho /*
121 1.1 jruoho * Source is the external AML byte stream buffer,
122 1.1 jruoho * destination is the internal resource descriptor
123 1.1 jruoho */
124 1.1 jruoho Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
125 1.1 jruoho Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
126 1.1 jruoho
127 1.1 jruoho switch (Info->Opcode)
128 1.1 jruoho {
129 1.1 jruoho case ACPI_RSC_INITGET:
130 1.1 jruoho /*
131 1.1 jruoho * Get the resource type and the initial (minimum) length
132 1.1 jruoho */
133 1.1.1.4.2.2 skrll memset (Resource, 0, INIT_RESOURCE_LENGTH (Info));
134 1.1 jruoho Resource->Type = INIT_RESOURCE_TYPE (Info);
135 1.1 jruoho Resource->Length = INIT_RESOURCE_LENGTH (Info);
136 1.1 jruoho break;
137 1.1 jruoho
138 1.1 jruoho case ACPI_RSC_INITSET:
139 1.1 jruoho break;
140 1.1 jruoho
141 1.1 jruoho case ACPI_RSC_FLAGINIT:
142 1.1 jruoho
143 1.1 jruoho FlagsMode = TRUE;
144 1.1 jruoho break;
145 1.1 jruoho
146 1.1 jruoho case ACPI_RSC_1BITFLAG:
147 1.1 jruoho /*
148 1.1 jruoho * Mask and shift the flag bit
149 1.1 jruoho */
150 1.1.1.3 christos ACPI_SET8 (Destination,
151 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x01));
152 1.1 jruoho break;
153 1.1 jruoho
154 1.1 jruoho case ACPI_RSC_2BITFLAG:
155 1.1 jruoho /*
156 1.1 jruoho * Mask and shift the flag bits
157 1.1 jruoho */
158 1.1.1.3 christos ACPI_SET8 (Destination,
159 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x03));
160 1.1 jruoho break;
161 1.1 jruoho
162 1.1.1.3 christos case ACPI_RSC_3BITFLAG:
163 1.1.1.3 christos /*
164 1.1.1.3 christos * Mask and shift the flag bits
165 1.1.1.3 christos */
166 1.1.1.3 christos ACPI_SET8 (Destination,
167 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x07));
168 1.1.1.3 christos break;
169 1.1 jruoho
170 1.1 jruoho case ACPI_RSC_COUNT:
171 1.1 jruoho
172 1.1 jruoho ItemCount = ACPI_GET8 (Source);
173 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
174 1.1 jruoho
175 1.1 jruoho Resource->Length = Resource->Length +
176 1.1 jruoho (Info->Value * (ItemCount - 1));
177 1.1 jruoho break;
178 1.1 jruoho
179 1.1 jruoho case ACPI_RSC_COUNT16:
180 1.1 jruoho
181 1.1 jruoho ItemCount = AmlResourceLength;
182 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
183 1.1 jruoho
184 1.1 jruoho Resource->Length = Resource->Length +
185 1.1 jruoho (Info->Value * (ItemCount - 1));
186 1.1 jruoho break;
187 1.1 jruoho
188 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_PIN:
189 1.1.1.3 christos
190 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
191 1.1.1.3 christos ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
192 1.1.1.3 christos
193 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
194 1.1.1.3 christos ItemCount = ItemCount / 2;
195 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
196 1.1.1.3 christos break;
197 1.1.1.3 christos
198 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_VEN:
199 1.1.1.3 christos
200 1.1.1.3 christos ItemCount = ACPI_GET8 (Source);
201 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
202 1.1.1.3 christos
203 1.1.1.3 christos Resource->Length = Resource->Length +
204 1.1.1.3 christos (Info->Value * ItemCount);
205 1.1.1.3 christos break;
206 1.1.1.3 christos
207 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_RES:
208 1.1.1.3 christos /*
209 1.1.1.3 christos * Vendor data is optional (length/offset may both be zero)
210 1.1.1.3 christos * Examine vendor data length field first
211 1.1.1.3 christos */
212 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
213 1.1.1.3 christos if (ACPI_GET16 (Target))
214 1.1.1.3 christos {
215 1.1.1.3 christos /* Use vendor offset to get resource source length */
216 1.1.1.3 christos
217 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
218 1.1.1.3 christos ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
219 1.1.1.3 christos }
220 1.1.1.3 christos else
221 1.1.1.3 christos {
222 1.1.1.3 christos /* No vendor data to worry about */
223 1.1.1.3 christos
224 1.1.1.3 christos ItemCount = Aml->LargeHeader.ResourceLength +
225 1.1.1.3 christos sizeof (AML_RESOURCE_LARGE_HEADER) -
226 1.1.1.3 christos ACPI_GET16 (Source);
227 1.1.1.3 christos }
228 1.1.1.3 christos
229 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
230 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
231 1.1.1.3 christos break;
232 1.1.1.3 christos
233 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_VEN:
234 1.1.1.3 christos
235 1.1.1.3 christos ItemCount = ACPI_GET16 (Source) - Info->Value;
236 1.1.1.3 christos
237 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
238 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
239 1.1.1.3 christos break;
240 1.1.1.3 christos
241 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_RES:
242 1.1.1.3 christos
243 1.1.1.3 christos ItemCount = (AmlResourceLength +
244 1.1.1.3 christos sizeof (AML_RESOURCE_LARGE_HEADER)) -
245 1.1.1.3 christos ACPI_GET16 (Source) - Info->Value;
246 1.1.1.3 christos
247 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
248 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
249 1.1.1.3 christos break;
250 1.1 jruoho
251 1.1 jruoho case ACPI_RSC_LENGTH:
252 1.1 jruoho
253 1.1 jruoho Resource->Length = Resource->Length + Info->Value;
254 1.1 jruoho break;
255 1.1 jruoho
256 1.1 jruoho case ACPI_RSC_MOVE8:
257 1.1 jruoho case ACPI_RSC_MOVE16:
258 1.1 jruoho case ACPI_RSC_MOVE32:
259 1.1 jruoho case ACPI_RSC_MOVE64:
260 1.1 jruoho /*
261 1.1 jruoho * Raw data move. Use the Info value field unless ItemCount has
262 1.1 jruoho * been previously initialized via a COUNT opcode
263 1.1 jruoho */
264 1.1 jruoho if (Info->Value)
265 1.1 jruoho {
266 1.1 jruoho ItemCount = Info->Value;
267 1.1 jruoho }
268 1.1 jruoho AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
269 1.1 jruoho break;
270 1.1 jruoho
271 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_PIN:
272 1.1.1.3 christos
273 1.1.1.3 christos /* Generate and set the PIN data pointer */
274 1.1.1.3 christos
275 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
276 1.1.1.3 christos (Resource->Length - ItemCount * 2));
277 1.1.1.3 christos *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
278 1.1.1.3 christos
279 1.1.1.3 christos /* Copy the PIN data */
280 1.1.1.3 christos
281 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
282 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
283 1.1.1.3 christos break;
284 1.1.1.3 christos
285 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_RES:
286 1.1.1.3 christos
287 1.1.1.3 christos /* Generate and set the ResourceSource string pointer */
288 1.1.1.3 christos
289 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
290 1.1.1.3 christos (Resource->Length - ItemCount));
291 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
292 1.1.1.3 christos
293 1.1.1.3 christos /* Copy the ResourceSource string */
294 1.1.1.3 christos
295 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
296 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
297 1.1.1.3 christos break;
298 1.1.1.3 christos
299 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_VEN:
300 1.1.1.3 christos
301 1.1.1.3 christos /* Generate and set the Vendor Data pointer */
302 1.1.1.3 christos
303 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
304 1.1.1.3 christos (Resource->Length - ItemCount));
305 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
306 1.1.1.3 christos
307 1.1.1.3 christos /* Copy the Vendor Data */
308 1.1.1.3 christos
309 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, Info->Value);
310 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
311 1.1.1.3 christos break;
312 1.1.1.3 christos
313 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_RES:
314 1.1.1.3 christos
315 1.1.1.3 christos /* Generate and set the ResourceSource string pointer */
316 1.1.1.3 christos
317 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
318 1.1.1.3 christos (Resource->Length - ItemCount));
319 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
320 1.1.1.3 christos
321 1.1.1.3 christos /* Copy the ResourceSource string */
322 1.1.1.3 christos
323 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, (ACPI_GET16 (Source) + Info->Value));
324 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
325 1.1.1.3 christos break;
326 1.1 jruoho
327 1.1 jruoho case ACPI_RSC_SET8:
328 1.1 jruoho
329 1.1.1.4.2.2 skrll memset (Destination, Info->AmlOffset, Info->Value);
330 1.1 jruoho break;
331 1.1 jruoho
332 1.1 jruoho case ACPI_RSC_DATA8:
333 1.1 jruoho
334 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
335 1.1.1.4.2.2 skrll memcpy (Destination, Source, ACPI_GET16 (Target));
336 1.1 jruoho break;
337 1.1 jruoho
338 1.1 jruoho case ACPI_RSC_ADDRESS:
339 1.1 jruoho /*
340 1.1 jruoho * Common handler for address descriptor flags
341 1.1 jruoho */
342 1.1 jruoho if (!AcpiRsGetAddressCommon (Resource, Aml))
343 1.1 jruoho {
344 1.1 jruoho return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
345 1.1 jruoho }
346 1.1 jruoho break;
347 1.1 jruoho
348 1.1 jruoho case ACPI_RSC_SOURCE:
349 1.1 jruoho /*
350 1.1 jruoho * Optional ResourceSource (Index and String)
351 1.1 jruoho */
352 1.1 jruoho Resource->Length +=
353 1.1 jruoho AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
354 1.1 jruoho Destination, Aml, NULL);
355 1.1 jruoho break;
356 1.1 jruoho
357 1.1 jruoho case ACPI_RSC_SOURCEX:
358 1.1 jruoho /*
359 1.1 jruoho * Optional ResourceSource (Index and String). This is the more
360 1.1 jruoho * complicated case used by the Interrupt() macro
361 1.1 jruoho */
362 1.1.1.3 christos Target = ACPI_ADD_PTR (char, Resource,
363 1.1.1.3 christos Info->AmlOffset + (ItemCount * 4));
364 1.1 jruoho
365 1.1 jruoho Resource->Length +=
366 1.1.1.3 christos AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
367 1.1.1.3 christos (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
368 1.1 jruoho Destination, Aml, Target);
369 1.1 jruoho break;
370 1.1 jruoho
371 1.1 jruoho case ACPI_RSC_BITMASK:
372 1.1 jruoho /*
373 1.1 jruoho * 8-bit encoded bitmask (DMA macro)
374 1.1 jruoho */
375 1.1 jruoho ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
376 1.1 jruoho if (ItemCount)
377 1.1 jruoho {
378 1.1 jruoho Resource->Length += (ItemCount - 1);
379 1.1 jruoho }
380 1.1 jruoho
381 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
382 1.1.1.3 christos ACPI_SET8 (Target, ItemCount);
383 1.1 jruoho break;
384 1.1 jruoho
385 1.1 jruoho case ACPI_RSC_BITMASK16:
386 1.1 jruoho /*
387 1.1 jruoho * 16-bit encoded bitmask (IRQ macro)
388 1.1 jruoho */
389 1.1 jruoho ACPI_MOVE_16_TO_16 (&Temp16, Source);
390 1.1 jruoho
391 1.1 jruoho ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
392 1.1 jruoho if (ItemCount)
393 1.1 jruoho {
394 1.1 jruoho Resource->Length += (ItemCount - 1);
395 1.1 jruoho }
396 1.1 jruoho
397 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
398 1.1.1.3 christos ACPI_SET8 (Target, ItemCount);
399 1.1 jruoho break;
400 1.1 jruoho
401 1.1 jruoho case ACPI_RSC_EXIT_NE:
402 1.1 jruoho /*
403 1.1 jruoho * Control - Exit conversion if not equal
404 1.1 jruoho */
405 1.1 jruoho switch (Info->ResourceOffset)
406 1.1 jruoho {
407 1.1 jruoho case ACPI_RSC_COMPARE_AML_LENGTH:
408 1.1.1.3 christos
409 1.1 jruoho if (AmlResourceLength != Info->Value)
410 1.1 jruoho {
411 1.1 jruoho goto Exit;
412 1.1 jruoho }
413 1.1 jruoho break;
414 1.1 jruoho
415 1.1 jruoho case ACPI_RSC_COMPARE_VALUE:
416 1.1.1.3 christos
417 1.1 jruoho if (ACPI_GET8 (Source) != Info->Value)
418 1.1 jruoho {
419 1.1 jruoho goto Exit;
420 1.1 jruoho }
421 1.1 jruoho break;
422 1.1 jruoho
423 1.1 jruoho default:
424 1.1 jruoho
425 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
426 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
427 1.1 jruoho }
428 1.1 jruoho break;
429 1.1 jruoho
430 1.1 jruoho default:
431 1.1 jruoho
432 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
433 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
434 1.1 jruoho }
435 1.1 jruoho
436 1.1 jruoho Count--;
437 1.1 jruoho Info++;
438 1.1 jruoho }
439 1.1 jruoho
440 1.1 jruoho Exit:
441 1.1 jruoho if (!FlagsMode)
442 1.1 jruoho {
443 1.1 jruoho /* Round the resource struct length up to the next boundary (32 or 64) */
444 1.1 jruoho
445 1.1 jruoho Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
446 1.1 jruoho }
447 1.1 jruoho return_ACPI_STATUS (AE_OK);
448 1.1 jruoho }
449 1.1 jruoho
450 1.1 jruoho
451 1.1 jruoho /*******************************************************************************
452 1.1 jruoho *
453 1.1 jruoho * FUNCTION: AcpiRsConvertResourceToAml
454 1.1 jruoho *
455 1.1 jruoho * PARAMETERS: Resource - Pointer to the resource descriptor
456 1.1 jruoho * Aml - Where the AML descriptor is returned
457 1.1 jruoho * Info - Pointer to appropriate conversion table
458 1.1 jruoho *
459 1.1 jruoho * RETURN: Status
460 1.1 jruoho *
461 1.1 jruoho * DESCRIPTION: Convert an internal resource descriptor to the corresponding
462 1.1 jruoho * external AML resource descriptor.
463 1.1 jruoho *
464 1.1 jruoho ******************************************************************************/
465 1.1 jruoho
466 1.1 jruoho ACPI_STATUS
467 1.1 jruoho AcpiRsConvertResourceToAml (
468 1.1 jruoho ACPI_RESOURCE *Resource,
469 1.1 jruoho AML_RESOURCE *Aml,
470 1.1 jruoho ACPI_RSCONVERT_INFO *Info)
471 1.1 jruoho {
472 1.1 jruoho void *Source = NULL;
473 1.1 jruoho void *Destination;
474 1.1.1.3 christos char *Target;
475 1.1 jruoho ACPI_RSDESC_SIZE AmlLength = 0;
476 1.1 jruoho UINT8 Count;
477 1.1 jruoho UINT16 Temp16 = 0;
478 1.1 jruoho UINT16 ItemCount = 0;
479 1.1 jruoho
480 1.1 jruoho
481 1.1 jruoho ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
482 1.1 jruoho
483 1.1 jruoho
484 1.1.1.3 christos if (!Info)
485 1.1.1.3 christos {
486 1.1.1.3 christos return_ACPI_STATUS (AE_BAD_PARAMETER);
487 1.1.1.3 christos }
488 1.1.1.3 christos
489 1.1 jruoho /*
490 1.1 jruoho * First table entry must be ACPI_RSC_INITxxx and must contain the
491 1.1 jruoho * table length (# of table entries)
492 1.1 jruoho */
493 1.1 jruoho Count = INIT_TABLE_LENGTH (Info);
494 1.1 jruoho
495 1.1 jruoho while (Count)
496 1.1 jruoho {
497 1.1 jruoho /*
498 1.1 jruoho * Source is the internal resource descriptor,
499 1.1 jruoho * destination is the external AML byte stream buffer
500 1.1 jruoho */
501 1.1 jruoho Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
502 1.1 jruoho Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
503 1.1 jruoho
504 1.1 jruoho switch (Info->Opcode)
505 1.1 jruoho {
506 1.1 jruoho case ACPI_RSC_INITSET:
507 1.1 jruoho
508 1.1.1.4.2.2 skrll memset (Aml, 0, INIT_RESOURCE_LENGTH (Info));
509 1.1 jruoho AmlLength = INIT_RESOURCE_LENGTH (Info);
510 1.1 jruoho AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
511 1.1 jruoho break;
512 1.1 jruoho
513 1.1 jruoho case ACPI_RSC_INITGET:
514 1.1 jruoho break;
515 1.1 jruoho
516 1.1 jruoho case ACPI_RSC_FLAGINIT:
517 1.1 jruoho /*
518 1.1 jruoho * Clear the flag byte
519 1.1 jruoho */
520 1.1.1.3 christos ACPI_SET8 (Destination, 0);
521 1.1 jruoho break;
522 1.1 jruoho
523 1.1 jruoho case ACPI_RSC_1BITFLAG:
524 1.1 jruoho /*
525 1.1 jruoho * Mask and shift the flag bit
526 1.1 jruoho */
527 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
528 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x01) << Info->Value));
529 1.1 jruoho break;
530 1.1 jruoho
531 1.1 jruoho case ACPI_RSC_2BITFLAG:
532 1.1 jruoho /*
533 1.1 jruoho * Mask and shift the flag bits
534 1.1 jruoho */
535 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
536 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x03) << Info->Value));
537 1.1 jruoho break;
538 1.1 jruoho
539 1.1.1.3 christos case ACPI_RSC_3BITFLAG:
540 1.1.1.3 christos /*
541 1.1.1.3 christos * Mask and shift the flag bits
542 1.1.1.3 christos */
543 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
544 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x07) << Info->Value));
545 1.1.1.3 christos break;
546 1.1 jruoho
547 1.1 jruoho case ACPI_RSC_COUNT:
548 1.1 jruoho
549 1.1 jruoho ItemCount = ACPI_GET8 (Source);
550 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
551 1.1 jruoho
552 1.1 jruoho AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1)));
553 1.1 jruoho break;
554 1.1 jruoho
555 1.1 jruoho case ACPI_RSC_COUNT16:
556 1.1 jruoho
557 1.1 jruoho ItemCount = ACPI_GET16 (Source);
558 1.1 jruoho AmlLength = (UINT16) (AmlLength + ItemCount);
559 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
560 1.1 jruoho break;
561 1.1 jruoho
562 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_PIN:
563 1.1.1.3 christos
564 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
565 1.1.1.3 christos ACPI_SET16 (Destination, AmlLength);
566 1.1.1.3 christos
567 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount * 2);
568 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
569 1.1.1.3 christos ACPI_SET16 (Target, AmlLength);
570 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
571 1.1.1.3 christos break;
572 1.1.1.3 christos
573 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_VEN:
574 1.1.1.3 christos
575 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
576 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
577 1.1.1.3 christos
578 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + (Info->Value * ItemCount));
579 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
580 1.1.1.3 christos break;
581 1.1.1.3 christos
582 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_RES:
583 1.1.1.3 christos
584 1.1.1.3 christos /* Set resource source string length */
585 1.1.1.3 christos
586 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
587 1.1.1.3 christos ACPI_SET16 (Destination, AmlLength);
588 1.1.1.3 christos
589 1.1.1.3 christos /* Compute offset for the Vendor Data */
590 1.1.1.3 christos
591 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
592 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
593 1.1.1.3 christos
594 1.1.1.3 christos /* Set vendor offset only if there is vendor data */
595 1.1.1.3 christos
596 1.1.1.3 christos if (Resource->Data.Gpio.VendorLength)
597 1.1.1.3 christos {
598 1.1.1.3 christos ACPI_SET16 (Target, AmlLength);
599 1.1.1.3 christos }
600 1.1.1.3 christos
601 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
602 1.1.1.3 christos break;
603 1.1.1.3 christos
604 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_VEN:
605 1.1.1.3 christos
606 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
607 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount + Info->Value);
608 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
609 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
610 1.1.1.3 christos break;
611 1.1.1.3 christos
612 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_RES:
613 1.1.1.3 christos
614 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
615 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
616 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
617 1.1.1.3 christos break;
618 1.1 jruoho
619 1.1 jruoho case ACPI_RSC_LENGTH:
620 1.1 jruoho
621 1.1 jruoho AcpiRsSetResourceLength (Info->Value, Aml);
622 1.1 jruoho break;
623 1.1 jruoho
624 1.1 jruoho case ACPI_RSC_MOVE8:
625 1.1 jruoho case ACPI_RSC_MOVE16:
626 1.1 jruoho case ACPI_RSC_MOVE32:
627 1.1 jruoho case ACPI_RSC_MOVE64:
628 1.1 jruoho
629 1.1 jruoho if (Info->Value)
630 1.1 jruoho {
631 1.1 jruoho ItemCount = Info->Value;
632 1.1 jruoho }
633 1.1 jruoho AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
634 1.1 jruoho break;
635 1.1 jruoho
636 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_PIN:
637 1.1.1.3 christos
638 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
639 1.1.1.3 christos ACPI_GET16 (Destination));
640 1.1.1.3 christos Source = * (UINT16 **) Source;
641 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
642 1.1.1.3 christos break;
643 1.1.1.3 christos
644 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_RES:
645 1.1.1.3 christos
646 1.1.1.3 christos /* Used for both ResourceSource string and VendorData */
647 1.1.1.3 christos
648 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
649 1.1.1.3 christos ACPI_GET16 (Destination));
650 1.1.1.3 christos Source = * (UINT8 **) Source;
651 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
652 1.1.1.3 christos break;
653 1.1.1.3 christos
654 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_VEN:
655 1.1.1.3 christos
656 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
657 1.1.1.3 christos (AmlLength - ItemCount));
658 1.1.1.3 christos Source = * (UINT8 **) Source;
659 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
660 1.1.1.3 christos break;
661 1.1.1.3 christos
662 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_RES:
663 1.1.1.3 christos
664 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
665 1.1.1.3 christos (AmlLength - ItemCount));
666 1.1.1.3 christos Source = * (UINT8 **) Source;
667 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
668 1.1.1.3 christos break;
669 1.1 jruoho
670 1.1 jruoho case ACPI_RSC_ADDRESS:
671 1.1 jruoho
672 1.1 jruoho /* Set the Resource Type, General Flags, and Type-Specific Flags */
673 1.1 jruoho
674 1.1 jruoho AcpiRsSetAddressCommon (Aml, Resource);
675 1.1 jruoho break;
676 1.1 jruoho
677 1.1 jruoho case ACPI_RSC_SOURCEX:
678 1.1 jruoho /*
679 1.1 jruoho * Optional ResourceSource (Index and String)
680 1.1 jruoho */
681 1.1 jruoho AmlLength = AcpiRsSetResourceSource (
682 1.1 jruoho Aml, (ACPI_RS_LENGTH) AmlLength, Source);
683 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
684 1.1 jruoho break;
685 1.1 jruoho
686 1.1 jruoho case ACPI_RSC_SOURCE:
687 1.1 jruoho /*
688 1.1 jruoho * Optional ResourceSource (Index and String). This is the more
689 1.1 jruoho * complicated case used by the Interrupt() macro
690 1.1 jruoho */
691 1.1 jruoho AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
692 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
693 1.1 jruoho break;
694 1.1 jruoho
695 1.1 jruoho case ACPI_RSC_BITMASK:
696 1.1 jruoho /*
697 1.1 jruoho * 8-bit encoded bitmask (DMA macro)
698 1.1 jruoho */
699 1.1.1.3 christos ACPI_SET8 (Destination,
700 1.1 jruoho AcpiRsEncodeBitmask (Source,
701 1.1.1.3 christos *ACPI_ADD_PTR (UINT8, Resource, Info->Value)));
702 1.1 jruoho break;
703 1.1 jruoho
704 1.1 jruoho case ACPI_RSC_BITMASK16:
705 1.1 jruoho /*
706 1.1 jruoho * 16-bit encoded bitmask (IRQ macro)
707 1.1 jruoho */
708 1.1 jruoho Temp16 = AcpiRsEncodeBitmask (Source,
709 1.1 jruoho *ACPI_ADD_PTR (UINT8, Resource, Info->Value));
710 1.1 jruoho ACPI_MOVE_16_TO_16 (Destination, &Temp16);
711 1.1 jruoho break;
712 1.1 jruoho
713 1.1 jruoho case ACPI_RSC_EXIT_LE:
714 1.1 jruoho /*
715 1.1 jruoho * Control - Exit conversion if less than or equal
716 1.1 jruoho */
717 1.1 jruoho if (ItemCount <= Info->Value)
718 1.1 jruoho {
719 1.1 jruoho goto Exit;
720 1.1 jruoho }
721 1.1 jruoho break;
722 1.1 jruoho
723 1.1 jruoho case ACPI_RSC_EXIT_NE:
724 1.1 jruoho /*
725 1.1 jruoho * Control - Exit conversion if not equal
726 1.1 jruoho */
727 1.1 jruoho switch (COMPARE_OPCODE (Info))
728 1.1 jruoho {
729 1.1 jruoho case ACPI_RSC_COMPARE_VALUE:
730 1.1 jruoho
731 1.1 jruoho if (*ACPI_ADD_PTR (UINT8, Resource,
732 1.1 jruoho COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
733 1.1 jruoho {
734 1.1 jruoho goto Exit;
735 1.1 jruoho }
736 1.1 jruoho break;
737 1.1 jruoho
738 1.1 jruoho default:
739 1.1 jruoho
740 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
741 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
742 1.1 jruoho }
743 1.1 jruoho break;
744 1.1 jruoho
745 1.1 jruoho case ACPI_RSC_EXIT_EQ:
746 1.1 jruoho /*
747 1.1 jruoho * Control - Exit conversion if equal
748 1.1 jruoho */
749 1.1 jruoho if (*ACPI_ADD_PTR (UINT8, Resource,
750 1.1 jruoho COMPARE_TARGET (Info)) == COMPARE_VALUE (Info))
751 1.1 jruoho {
752 1.1 jruoho goto Exit;
753 1.1 jruoho }
754 1.1 jruoho break;
755 1.1 jruoho
756 1.1 jruoho default:
757 1.1 jruoho
758 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
759 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
760 1.1 jruoho }
761 1.1 jruoho
762 1.1 jruoho Count--;
763 1.1 jruoho Info++;
764 1.1 jruoho }
765 1.1 jruoho
766 1.1 jruoho Exit:
767 1.1 jruoho return_ACPI_STATUS (AE_OK);
768 1.1 jruoho }
769 1.1 jruoho
770 1.1 jruoho
771 1.1 jruoho #if 0
772 1.1 jruoho /* Previous resource validations */
773 1.1 jruoho
774 1.1 jruoho if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
775 1.1 jruoho {
776 1.1 jruoho return_ACPI_STATUS (AE_SUPPORT);
777 1.1 jruoho }
778 1.1 jruoho
779 1.1 jruoho if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
780 1.1 jruoho {
781 1.1 jruoho return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
782 1.1 jruoho }
783 1.1 jruoho
784 1.1 jruoho if (((Aml->Irq.Flags & 0x09) == 0x00) ||
785 1.1 jruoho ((Aml->Irq.Flags & 0x09) == 0x09))
786 1.1 jruoho {
787 1.1 jruoho /*
788 1.1 jruoho * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
789 1.1 jruoho * polarity/trigger interrupts are allowed (ACPI spec, section
790 1.1 jruoho * "IRQ Format"), so 0x00 and 0x09 are illegal.
791 1.1 jruoho */
792 1.1 jruoho ACPI_ERROR ((AE_INFO,
793 1.1 jruoho "Invalid interrupt polarity/trigger in resource list, 0x%X",
794 1.1 jruoho Aml->Irq.Flags));
795 1.1 jruoho return_ACPI_STATUS (AE_BAD_DATA);
796 1.1 jruoho }
797 1.1 jruoho
798 1.1 jruoho Resource->Data.ExtendedIrq.InterruptCount = Temp8;
799 1.1 jruoho if (Temp8 < 1)
800 1.1 jruoho {
801 1.1 jruoho /* Must have at least one IRQ */
802 1.1 jruoho
803 1.1 jruoho return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
804 1.1 jruoho }
805 1.1 jruoho
806 1.1 jruoho if (Resource->Data.Dma.Transfer == 0x03)
807 1.1 jruoho {
808 1.1 jruoho ACPI_ERROR ((AE_INFO,
809 1.1 jruoho "Invalid DMA.Transfer preference (3)"));
810 1.1 jruoho return_ACPI_STATUS (AE_BAD_DATA);
811 1.1 jruoho }
812 1.1 jruoho #endif
813