rsmisc.c revision 1.1.1.3 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 1.1.1.3 christos * Copyright (C) 2000 - 2013, 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 #define __RSMISC_C__
45 1.1 jruoho
46 1.1 jruoho #include "acpi.h"
47 1.1 jruoho #include "accommon.h"
48 1.1 jruoho #include "acresrc.h"
49 1.1 jruoho
50 1.1 jruoho #define _COMPONENT ACPI_RESOURCES
51 1.1 jruoho ACPI_MODULE_NAME ("rsmisc")
52 1.1 jruoho
53 1.1 jruoho
54 1.1 jruoho #define INIT_RESOURCE_TYPE(i) i->ResourceOffset
55 1.1 jruoho #define INIT_RESOURCE_LENGTH(i) i->AmlOffset
56 1.1 jruoho #define INIT_TABLE_LENGTH(i) i->Value
57 1.1 jruoho
58 1.1 jruoho #define COMPARE_OPCODE(i) i->ResourceOffset
59 1.1 jruoho #define COMPARE_TARGET(i) i->AmlOffset
60 1.1 jruoho #define COMPARE_VALUE(i) i->Value
61 1.1 jruoho
62 1.1 jruoho
63 1.1 jruoho /*******************************************************************************
64 1.1 jruoho *
65 1.1 jruoho * FUNCTION: AcpiRsConvertAmlToResource
66 1.1 jruoho *
67 1.1 jruoho * PARAMETERS: Resource - Pointer to the resource descriptor
68 1.1 jruoho * Aml - Where the AML descriptor is returned
69 1.1 jruoho * Info - Pointer to appropriate conversion table
70 1.1 jruoho *
71 1.1 jruoho * RETURN: Status
72 1.1 jruoho *
73 1.1 jruoho * DESCRIPTION: Convert an external AML resource descriptor to the corresponding
74 1.1 jruoho * internal resource descriptor
75 1.1 jruoho *
76 1.1 jruoho ******************************************************************************/
77 1.1 jruoho
78 1.1 jruoho ACPI_STATUS
79 1.1 jruoho AcpiRsConvertAmlToResource (
80 1.1 jruoho ACPI_RESOURCE *Resource,
81 1.1 jruoho AML_RESOURCE *Aml,
82 1.1 jruoho ACPI_RSCONVERT_INFO *Info)
83 1.1 jruoho {
84 1.1 jruoho ACPI_RS_LENGTH AmlResourceLength;
85 1.1 jruoho void *Source;
86 1.1 jruoho void *Destination;
87 1.1 jruoho char *Target;
88 1.1 jruoho UINT8 Count;
89 1.1 jruoho UINT8 FlagsMode = FALSE;
90 1.1 jruoho UINT16 ItemCount = 0;
91 1.1 jruoho UINT16 Temp16 = 0;
92 1.1 jruoho
93 1.1 jruoho
94 1.1 jruoho ACPI_FUNCTION_TRACE (RsConvertAmlToResource);
95 1.1 jruoho
96 1.1 jruoho
97 1.1.1.3 christos if (!Info)
98 1.1.1.3 christos {
99 1.1.1.3 christos return_ACPI_STATUS (AE_BAD_PARAMETER);
100 1.1.1.3 christos }
101 1.1.1.3 christos
102 1.1 jruoho if (((ACPI_SIZE) Resource) & 0x3)
103 1.1 jruoho {
104 1.1 jruoho /* Each internal resource struct is expected to be 32-bit aligned */
105 1.1 jruoho
106 1.1 jruoho ACPI_WARNING ((AE_INFO,
107 1.1 jruoho "Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
108 1.1 jruoho Resource, Resource->Type, Resource->Length));
109 1.1 jruoho }
110 1.1 jruoho
111 1.1 jruoho /* Extract the resource Length field (does not include header length) */
112 1.1 jruoho
113 1.1 jruoho AmlResourceLength = AcpiUtGetResourceLength (Aml);
114 1.1 jruoho
115 1.1 jruoho /*
116 1.1 jruoho * First table entry must be ACPI_RSC_INITxxx and must contain the
117 1.1 jruoho * table length (# of table entries)
118 1.1 jruoho */
119 1.1 jruoho Count = INIT_TABLE_LENGTH (Info);
120 1.1 jruoho while (Count)
121 1.1 jruoho {
122 1.1 jruoho /*
123 1.1 jruoho * Source is the external AML byte stream buffer,
124 1.1 jruoho * destination is the internal resource descriptor
125 1.1 jruoho */
126 1.1 jruoho Source = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
127 1.1 jruoho Destination = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
128 1.1 jruoho
129 1.1 jruoho switch (Info->Opcode)
130 1.1 jruoho {
131 1.1 jruoho case ACPI_RSC_INITGET:
132 1.1 jruoho /*
133 1.1 jruoho * Get the resource type and the initial (minimum) length
134 1.1 jruoho */
135 1.1 jruoho ACPI_MEMSET (Resource, 0, INIT_RESOURCE_LENGTH (Info));
136 1.1 jruoho Resource->Type = INIT_RESOURCE_TYPE (Info);
137 1.1 jruoho Resource->Length = INIT_RESOURCE_LENGTH (Info);
138 1.1 jruoho break;
139 1.1 jruoho
140 1.1 jruoho case ACPI_RSC_INITSET:
141 1.1 jruoho break;
142 1.1 jruoho
143 1.1 jruoho case ACPI_RSC_FLAGINIT:
144 1.1 jruoho
145 1.1 jruoho FlagsMode = TRUE;
146 1.1 jruoho break;
147 1.1 jruoho
148 1.1 jruoho case ACPI_RSC_1BITFLAG:
149 1.1 jruoho /*
150 1.1 jruoho * Mask and shift the flag bit
151 1.1 jruoho */
152 1.1.1.3 christos ACPI_SET8 (Destination,
153 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x01));
154 1.1 jruoho break;
155 1.1 jruoho
156 1.1 jruoho case ACPI_RSC_2BITFLAG:
157 1.1 jruoho /*
158 1.1 jruoho * Mask and shift the flag bits
159 1.1 jruoho */
160 1.1.1.3 christos ACPI_SET8 (Destination,
161 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x03));
162 1.1 jruoho break;
163 1.1 jruoho
164 1.1.1.3 christos case ACPI_RSC_3BITFLAG:
165 1.1.1.3 christos /*
166 1.1.1.3 christos * Mask and shift the flag bits
167 1.1.1.3 christos */
168 1.1.1.3 christos ACPI_SET8 (Destination,
169 1.1.1.3 christos ((ACPI_GET8 (Source) >> Info->Value) & 0x07));
170 1.1.1.3 christos break;
171 1.1 jruoho
172 1.1 jruoho case ACPI_RSC_COUNT:
173 1.1 jruoho
174 1.1 jruoho ItemCount = ACPI_GET8 (Source);
175 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
176 1.1 jruoho
177 1.1 jruoho Resource->Length = Resource->Length +
178 1.1 jruoho (Info->Value * (ItemCount - 1));
179 1.1 jruoho break;
180 1.1 jruoho
181 1.1 jruoho case ACPI_RSC_COUNT16:
182 1.1 jruoho
183 1.1 jruoho ItemCount = AmlResourceLength;
184 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
185 1.1 jruoho
186 1.1 jruoho Resource->Length = Resource->Length +
187 1.1 jruoho (Info->Value * (ItemCount - 1));
188 1.1 jruoho break;
189 1.1 jruoho
190 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_PIN:
191 1.1.1.3 christos
192 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
193 1.1.1.3 christos ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
194 1.1.1.3 christos
195 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
196 1.1.1.3 christos ItemCount = ItemCount / 2;
197 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
198 1.1.1.3 christos break;
199 1.1.1.3 christos
200 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_VEN:
201 1.1.1.3 christos
202 1.1.1.3 christos ItemCount = ACPI_GET8 (Source);
203 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
204 1.1.1.3 christos
205 1.1.1.3 christos Resource->Length = Resource->Length +
206 1.1.1.3 christos (Info->Value * ItemCount);
207 1.1.1.3 christos break;
208 1.1.1.3 christos
209 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_RES:
210 1.1.1.3 christos /*
211 1.1.1.3 christos * Vendor data is optional (length/offset may both be zero)
212 1.1.1.3 christos * Examine vendor data length field first
213 1.1.1.3 christos */
214 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, (Info->Value + 2));
215 1.1.1.3 christos if (ACPI_GET16 (Target))
216 1.1.1.3 christos {
217 1.1.1.3 christos /* Use vendor offset to get resource source length */
218 1.1.1.3 christos
219 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
220 1.1.1.3 christos ItemCount = ACPI_GET16 (Target) - ACPI_GET16 (Source);
221 1.1.1.3 christos }
222 1.1.1.3 christos else
223 1.1.1.3 christos {
224 1.1.1.3 christos /* No vendor data to worry about */
225 1.1.1.3 christos
226 1.1.1.3 christos ItemCount = Aml->LargeHeader.ResourceLength +
227 1.1.1.3 christos sizeof (AML_RESOURCE_LARGE_HEADER) -
228 1.1.1.3 christos ACPI_GET16 (Source);
229 1.1.1.3 christos }
230 1.1.1.3 christos
231 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
232 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
233 1.1.1.3 christos break;
234 1.1.1.3 christos
235 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_VEN:
236 1.1.1.3 christos
237 1.1.1.3 christos ItemCount = ACPI_GET16 (Source) - Info->Value;
238 1.1.1.3 christos
239 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
240 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
241 1.1.1.3 christos break;
242 1.1.1.3 christos
243 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_RES:
244 1.1.1.3 christos
245 1.1.1.3 christos ItemCount = (AmlResourceLength +
246 1.1.1.3 christos sizeof (AML_RESOURCE_LARGE_HEADER)) -
247 1.1.1.3 christos ACPI_GET16 (Source) - Info->Value;
248 1.1.1.3 christos
249 1.1.1.3 christos Resource->Length = Resource->Length + ItemCount;
250 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
251 1.1.1.3 christos break;
252 1.1 jruoho
253 1.1 jruoho case ACPI_RSC_LENGTH:
254 1.1 jruoho
255 1.1 jruoho Resource->Length = Resource->Length + Info->Value;
256 1.1 jruoho break;
257 1.1 jruoho
258 1.1 jruoho case ACPI_RSC_MOVE8:
259 1.1 jruoho case ACPI_RSC_MOVE16:
260 1.1 jruoho case ACPI_RSC_MOVE32:
261 1.1 jruoho case ACPI_RSC_MOVE64:
262 1.1 jruoho /*
263 1.1 jruoho * Raw data move. Use the Info value field unless ItemCount has
264 1.1 jruoho * been previously initialized via a COUNT opcode
265 1.1 jruoho */
266 1.1 jruoho if (Info->Value)
267 1.1 jruoho {
268 1.1 jruoho ItemCount = Info->Value;
269 1.1 jruoho }
270 1.1 jruoho AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
271 1.1 jruoho break;
272 1.1 jruoho
273 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_PIN:
274 1.1.1.3 christos
275 1.1.1.3 christos /* Generate and set the PIN data pointer */
276 1.1.1.3 christos
277 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
278 1.1.1.3 christos (Resource->Length - ItemCount * 2));
279 1.1.1.3 christos *(UINT16 **) Destination = ACPI_CAST_PTR (UINT16, Target);
280 1.1.1.3 christos
281 1.1.1.3 christos /* Copy the PIN data */
282 1.1.1.3 christos
283 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
284 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
285 1.1.1.3 christos break;
286 1.1.1.3 christos
287 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_RES:
288 1.1.1.3 christos
289 1.1.1.3 christos /* Generate and set the ResourceSource string pointer */
290 1.1.1.3 christos
291 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
292 1.1.1.3 christos (Resource->Length - ItemCount));
293 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
294 1.1.1.3 christos
295 1.1.1.3 christos /* Copy the ResourceSource string */
296 1.1.1.3 christos
297 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, ACPI_GET16 (Source));
298 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
299 1.1.1.3 christos break;
300 1.1.1.3 christos
301 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_VEN:
302 1.1.1.3 christos
303 1.1.1.3 christos /* Generate and set the Vendor Data pointer */
304 1.1.1.3 christos
305 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
306 1.1.1.3 christos (Resource->Length - ItemCount));
307 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
308 1.1.1.3 christos
309 1.1.1.3 christos /* Copy the Vendor Data */
310 1.1.1.3 christos
311 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, Info->Value);
312 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
313 1.1.1.3 christos break;
314 1.1.1.3 christos
315 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_RES:
316 1.1.1.3 christos
317 1.1.1.3 christos /* Generate and set the ResourceSource string pointer */
318 1.1.1.3 christos
319 1.1.1.3 christos Target = (char *) ACPI_ADD_PTR (void, Resource,
320 1.1.1.3 christos (Resource->Length - ItemCount));
321 1.1.1.3 christos *(UINT8 **) Destination = ACPI_CAST_PTR (UINT8, Target);
322 1.1.1.3 christos
323 1.1.1.3 christos /* Copy the ResourceSource string */
324 1.1.1.3 christos
325 1.1.1.3 christos Source = ACPI_ADD_PTR (void, Aml, (ACPI_GET16 (Source) + Info->Value));
326 1.1.1.3 christos AcpiRsMoveData (Target, Source, ItemCount, Info->Opcode);
327 1.1.1.3 christos break;
328 1.1 jruoho
329 1.1 jruoho case ACPI_RSC_SET8:
330 1.1 jruoho
331 1.1 jruoho ACPI_MEMSET (Destination, Info->AmlOffset, Info->Value);
332 1.1 jruoho break;
333 1.1 jruoho
334 1.1 jruoho case ACPI_RSC_DATA8:
335 1.1 jruoho
336 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
337 1.1 jruoho ACPI_MEMCPY (Destination, Source, ACPI_GET16 (Target));
338 1.1 jruoho break;
339 1.1 jruoho
340 1.1 jruoho case ACPI_RSC_ADDRESS:
341 1.1 jruoho /*
342 1.1 jruoho * Common handler for address descriptor flags
343 1.1 jruoho */
344 1.1 jruoho if (!AcpiRsGetAddressCommon (Resource, Aml))
345 1.1 jruoho {
346 1.1 jruoho return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
347 1.1 jruoho }
348 1.1 jruoho break;
349 1.1 jruoho
350 1.1 jruoho case ACPI_RSC_SOURCE:
351 1.1 jruoho /*
352 1.1 jruoho * Optional ResourceSource (Index and String)
353 1.1 jruoho */
354 1.1 jruoho Resource->Length +=
355 1.1 jruoho AcpiRsGetResourceSource (AmlResourceLength, Info->Value,
356 1.1 jruoho Destination, Aml, NULL);
357 1.1 jruoho break;
358 1.1 jruoho
359 1.1 jruoho case ACPI_RSC_SOURCEX:
360 1.1 jruoho /*
361 1.1 jruoho * Optional ResourceSource (Index and String). This is the more
362 1.1 jruoho * complicated case used by the Interrupt() macro
363 1.1 jruoho */
364 1.1.1.3 christos Target = ACPI_ADD_PTR (char, Resource,
365 1.1.1.3 christos Info->AmlOffset + (ItemCount * 4));
366 1.1 jruoho
367 1.1 jruoho Resource->Length +=
368 1.1.1.3 christos AcpiRsGetResourceSource (AmlResourceLength, (ACPI_RS_LENGTH)
369 1.1.1.3 christos (((ItemCount - 1) * sizeof (UINT32)) + Info->Value),
370 1.1 jruoho Destination, Aml, Target);
371 1.1 jruoho break;
372 1.1 jruoho
373 1.1 jruoho case ACPI_RSC_BITMASK:
374 1.1 jruoho /*
375 1.1 jruoho * 8-bit encoded bitmask (DMA macro)
376 1.1 jruoho */
377 1.1 jruoho ItemCount = AcpiRsDecodeBitmask (ACPI_GET8 (Source), Destination);
378 1.1 jruoho if (ItemCount)
379 1.1 jruoho {
380 1.1 jruoho Resource->Length += (ItemCount - 1);
381 1.1 jruoho }
382 1.1 jruoho
383 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
384 1.1.1.3 christos ACPI_SET8 (Target, ItemCount);
385 1.1 jruoho break;
386 1.1 jruoho
387 1.1 jruoho case ACPI_RSC_BITMASK16:
388 1.1 jruoho /*
389 1.1 jruoho * 16-bit encoded bitmask (IRQ macro)
390 1.1 jruoho */
391 1.1 jruoho ACPI_MOVE_16_TO_16 (&Temp16, Source);
392 1.1 jruoho
393 1.1 jruoho ItemCount = AcpiRsDecodeBitmask (Temp16, Destination);
394 1.1 jruoho if (ItemCount)
395 1.1 jruoho {
396 1.1 jruoho Resource->Length += (ItemCount - 1);
397 1.1 jruoho }
398 1.1 jruoho
399 1.1 jruoho Target = ACPI_ADD_PTR (char, Resource, Info->Value);
400 1.1.1.3 christos ACPI_SET8 (Target, ItemCount);
401 1.1 jruoho break;
402 1.1 jruoho
403 1.1 jruoho case ACPI_RSC_EXIT_NE:
404 1.1 jruoho /*
405 1.1 jruoho * Control - Exit conversion if not equal
406 1.1 jruoho */
407 1.1 jruoho switch (Info->ResourceOffset)
408 1.1 jruoho {
409 1.1 jruoho case ACPI_RSC_COMPARE_AML_LENGTH:
410 1.1.1.3 christos
411 1.1 jruoho if (AmlResourceLength != Info->Value)
412 1.1 jruoho {
413 1.1 jruoho goto Exit;
414 1.1 jruoho }
415 1.1 jruoho break;
416 1.1 jruoho
417 1.1 jruoho case ACPI_RSC_COMPARE_VALUE:
418 1.1.1.3 christos
419 1.1 jruoho if (ACPI_GET8 (Source) != Info->Value)
420 1.1 jruoho {
421 1.1 jruoho goto Exit;
422 1.1 jruoho }
423 1.1 jruoho break;
424 1.1 jruoho
425 1.1 jruoho default:
426 1.1 jruoho
427 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
428 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
429 1.1 jruoho }
430 1.1 jruoho break;
431 1.1 jruoho
432 1.1 jruoho default:
433 1.1 jruoho
434 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
435 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
436 1.1 jruoho }
437 1.1 jruoho
438 1.1 jruoho Count--;
439 1.1 jruoho Info++;
440 1.1 jruoho }
441 1.1 jruoho
442 1.1 jruoho Exit:
443 1.1 jruoho if (!FlagsMode)
444 1.1 jruoho {
445 1.1 jruoho /* Round the resource struct length up to the next boundary (32 or 64) */
446 1.1 jruoho
447 1.1 jruoho Resource->Length = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (Resource->Length);
448 1.1 jruoho }
449 1.1 jruoho return_ACPI_STATUS (AE_OK);
450 1.1 jruoho }
451 1.1 jruoho
452 1.1 jruoho
453 1.1 jruoho /*******************************************************************************
454 1.1 jruoho *
455 1.1 jruoho * FUNCTION: AcpiRsConvertResourceToAml
456 1.1 jruoho *
457 1.1 jruoho * PARAMETERS: Resource - Pointer to the resource descriptor
458 1.1 jruoho * Aml - Where the AML descriptor is returned
459 1.1 jruoho * Info - Pointer to appropriate conversion table
460 1.1 jruoho *
461 1.1 jruoho * RETURN: Status
462 1.1 jruoho *
463 1.1 jruoho * DESCRIPTION: Convert an internal resource descriptor to the corresponding
464 1.1 jruoho * external AML resource descriptor.
465 1.1 jruoho *
466 1.1 jruoho ******************************************************************************/
467 1.1 jruoho
468 1.1 jruoho ACPI_STATUS
469 1.1 jruoho AcpiRsConvertResourceToAml (
470 1.1 jruoho ACPI_RESOURCE *Resource,
471 1.1 jruoho AML_RESOURCE *Aml,
472 1.1 jruoho ACPI_RSCONVERT_INFO *Info)
473 1.1 jruoho {
474 1.1 jruoho void *Source = NULL;
475 1.1 jruoho void *Destination;
476 1.1.1.3 christos char *Target;
477 1.1 jruoho ACPI_RSDESC_SIZE AmlLength = 0;
478 1.1 jruoho UINT8 Count;
479 1.1 jruoho UINT16 Temp16 = 0;
480 1.1 jruoho UINT16 ItemCount = 0;
481 1.1 jruoho
482 1.1 jruoho
483 1.1 jruoho ACPI_FUNCTION_TRACE (RsConvertResourceToAml);
484 1.1 jruoho
485 1.1 jruoho
486 1.1.1.3 christos if (!Info)
487 1.1.1.3 christos {
488 1.1.1.3 christos return_ACPI_STATUS (AE_BAD_PARAMETER);
489 1.1.1.3 christos }
490 1.1.1.3 christos
491 1.1 jruoho /*
492 1.1 jruoho * First table entry must be ACPI_RSC_INITxxx and must contain the
493 1.1 jruoho * table length (# of table entries)
494 1.1 jruoho */
495 1.1 jruoho Count = INIT_TABLE_LENGTH (Info);
496 1.1 jruoho
497 1.1 jruoho while (Count)
498 1.1 jruoho {
499 1.1 jruoho /*
500 1.1 jruoho * Source is the internal resource descriptor,
501 1.1 jruoho * destination is the external AML byte stream buffer
502 1.1 jruoho */
503 1.1 jruoho Source = ACPI_ADD_PTR (void, Resource, Info->ResourceOffset);
504 1.1 jruoho Destination = ACPI_ADD_PTR (void, Aml, Info->AmlOffset);
505 1.1 jruoho
506 1.1 jruoho switch (Info->Opcode)
507 1.1 jruoho {
508 1.1 jruoho case ACPI_RSC_INITSET:
509 1.1 jruoho
510 1.1 jruoho ACPI_MEMSET (Aml, 0, INIT_RESOURCE_LENGTH (Info));
511 1.1 jruoho AmlLength = INIT_RESOURCE_LENGTH (Info);
512 1.1 jruoho AcpiRsSetResourceHeader (INIT_RESOURCE_TYPE (Info), AmlLength, Aml);
513 1.1 jruoho break;
514 1.1 jruoho
515 1.1 jruoho case ACPI_RSC_INITGET:
516 1.1 jruoho break;
517 1.1 jruoho
518 1.1 jruoho case ACPI_RSC_FLAGINIT:
519 1.1 jruoho /*
520 1.1 jruoho * Clear the flag byte
521 1.1 jruoho */
522 1.1.1.3 christos ACPI_SET8 (Destination, 0);
523 1.1 jruoho break;
524 1.1 jruoho
525 1.1 jruoho case ACPI_RSC_1BITFLAG:
526 1.1 jruoho /*
527 1.1 jruoho * Mask and shift the flag bit
528 1.1 jruoho */
529 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
530 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x01) << Info->Value));
531 1.1 jruoho break;
532 1.1 jruoho
533 1.1 jruoho case ACPI_RSC_2BITFLAG:
534 1.1 jruoho /*
535 1.1 jruoho * Mask and shift the flag bits
536 1.1 jruoho */
537 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
538 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x03) << Info->Value));
539 1.1 jruoho break;
540 1.1 jruoho
541 1.1.1.3 christos case ACPI_RSC_3BITFLAG:
542 1.1.1.3 christos /*
543 1.1.1.3 christos * Mask and shift the flag bits
544 1.1.1.3 christos */
545 1.1.1.3 christos ACPI_SET_BIT (*ACPI_CAST8 (Destination), (UINT8)
546 1.1.1.3 christos ((ACPI_GET8 (Source) & 0x07) << Info->Value));
547 1.1.1.3 christos break;
548 1.1 jruoho
549 1.1 jruoho case ACPI_RSC_COUNT:
550 1.1 jruoho
551 1.1 jruoho ItemCount = ACPI_GET8 (Source);
552 1.1.1.3 christos ACPI_SET8 (Destination, ItemCount);
553 1.1 jruoho
554 1.1 jruoho AmlLength = (UINT16) (AmlLength + (Info->Value * (ItemCount - 1)));
555 1.1 jruoho break;
556 1.1 jruoho
557 1.1 jruoho case ACPI_RSC_COUNT16:
558 1.1 jruoho
559 1.1 jruoho ItemCount = ACPI_GET16 (Source);
560 1.1 jruoho AmlLength = (UINT16) (AmlLength + ItemCount);
561 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
562 1.1 jruoho break;
563 1.1 jruoho
564 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_PIN:
565 1.1.1.3 christos
566 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
567 1.1.1.3 christos ACPI_SET16 (Destination, AmlLength);
568 1.1.1.3 christos
569 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount * 2);
570 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
571 1.1.1.3 christos ACPI_SET16 (Target, AmlLength);
572 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
573 1.1.1.3 christos break;
574 1.1.1.3 christos
575 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_VEN:
576 1.1.1.3 christos
577 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
578 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount);
579 1.1.1.3 christos
580 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + (Info->Value * ItemCount));
581 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
582 1.1.1.3 christos break;
583 1.1.1.3 christos
584 1.1.1.3 christos case ACPI_RSC_COUNT_GPIO_RES:
585 1.1.1.3 christos
586 1.1.1.3 christos /* Set resource source string length */
587 1.1.1.3 christos
588 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
589 1.1.1.3 christos ACPI_SET16 (Destination, AmlLength);
590 1.1.1.3 christos
591 1.1.1.3 christos /* Compute offset for the Vendor Data */
592 1.1.1.3 christos
593 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
594 1.1.1.3 christos Target = ACPI_ADD_PTR (void, Aml, Info->Value);
595 1.1.1.3 christos
596 1.1.1.3 christos /* Set vendor offset only if there is vendor data */
597 1.1.1.3 christos
598 1.1.1.3 christos if (Resource->Data.Gpio.VendorLength)
599 1.1.1.3 christos {
600 1.1.1.3 christos ACPI_SET16 (Target, AmlLength);
601 1.1.1.3 christos }
602 1.1.1.3 christos
603 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
604 1.1.1.3 christos break;
605 1.1.1.3 christos
606 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_VEN:
607 1.1.1.3 christos
608 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
609 1.1.1.3 christos ACPI_SET16 (Destination, ItemCount + Info->Value);
610 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
611 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
612 1.1.1.3 christos break;
613 1.1.1.3 christos
614 1.1.1.3 christos case ACPI_RSC_COUNT_SERIAL_RES:
615 1.1.1.3 christos
616 1.1.1.3 christos ItemCount = ACPI_GET16 (Source);
617 1.1.1.3 christos AmlLength = (UINT16) (AmlLength + ItemCount);
618 1.1.1.3 christos AcpiRsSetResourceLength (AmlLength, Aml);
619 1.1.1.3 christos break;
620 1.1 jruoho
621 1.1 jruoho case ACPI_RSC_LENGTH:
622 1.1 jruoho
623 1.1 jruoho AcpiRsSetResourceLength (Info->Value, Aml);
624 1.1 jruoho break;
625 1.1 jruoho
626 1.1 jruoho case ACPI_RSC_MOVE8:
627 1.1 jruoho case ACPI_RSC_MOVE16:
628 1.1 jruoho case ACPI_RSC_MOVE32:
629 1.1 jruoho case ACPI_RSC_MOVE64:
630 1.1 jruoho
631 1.1 jruoho if (Info->Value)
632 1.1 jruoho {
633 1.1 jruoho ItemCount = Info->Value;
634 1.1 jruoho }
635 1.1 jruoho AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
636 1.1 jruoho break;
637 1.1 jruoho
638 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_PIN:
639 1.1.1.3 christos
640 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
641 1.1.1.3 christos ACPI_GET16 (Destination));
642 1.1.1.3 christos Source = * (UINT16 **) Source;
643 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
644 1.1.1.3 christos break;
645 1.1.1.3 christos
646 1.1.1.3 christos case ACPI_RSC_MOVE_GPIO_RES:
647 1.1.1.3 christos
648 1.1.1.3 christos /* Used for both ResourceSource string and VendorData */
649 1.1.1.3 christos
650 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
651 1.1.1.3 christos ACPI_GET16 (Destination));
652 1.1.1.3 christos Source = * (UINT8 **) Source;
653 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
654 1.1.1.3 christos break;
655 1.1.1.3 christos
656 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_VEN:
657 1.1.1.3 christos
658 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
659 1.1.1.3 christos (AmlLength - ItemCount));
660 1.1.1.3 christos Source = * (UINT8 **) Source;
661 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
662 1.1.1.3 christos break;
663 1.1.1.3 christos
664 1.1.1.3 christos case ACPI_RSC_MOVE_SERIAL_RES:
665 1.1.1.3 christos
666 1.1.1.3 christos Destination = (char *) ACPI_ADD_PTR (void, Aml,
667 1.1.1.3 christos (AmlLength - ItemCount));
668 1.1.1.3 christos Source = * (UINT8 **) Source;
669 1.1.1.3 christos AcpiRsMoveData (Destination, Source, ItemCount, Info->Opcode);
670 1.1.1.3 christos break;
671 1.1 jruoho
672 1.1 jruoho case ACPI_RSC_ADDRESS:
673 1.1 jruoho
674 1.1 jruoho /* Set the Resource Type, General Flags, and Type-Specific Flags */
675 1.1 jruoho
676 1.1 jruoho AcpiRsSetAddressCommon (Aml, Resource);
677 1.1 jruoho break;
678 1.1 jruoho
679 1.1 jruoho case ACPI_RSC_SOURCEX:
680 1.1 jruoho /*
681 1.1 jruoho * Optional ResourceSource (Index and String)
682 1.1 jruoho */
683 1.1 jruoho AmlLength = AcpiRsSetResourceSource (
684 1.1 jruoho Aml, (ACPI_RS_LENGTH) AmlLength, Source);
685 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
686 1.1 jruoho break;
687 1.1 jruoho
688 1.1 jruoho case ACPI_RSC_SOURCE:
689 1.1 jruoho /*
690 1.1 jruoho * Optional ResourceSource (Index and String). This is the more
691 1.1 jruoho * complicated case used by the Interrupt() macro
692 1.1 jruoho */
693 1.1 jruoho AmlLength = AcpiRsSetResourceSource (Aml, Info->Value, Source);
694 1.1 jruoho AcpiRsSetResourceLength (AmlLength, Aml);
695 1.1 jruoho break;
696 1.1 jruoho
697 1.1 jruoho case ACPI_RSC_BITMASK:
698 1.1 jruoho /*
699 1.1 jruoho * 8-bit encoded bitmask (DMA macro)
700 1.1 jruoho */
701 1.1.1.3 christos ACPI_SET8 (Destination,
702 1.1 jruoho AcpiRsEncodeBitmask (Source,
703 1.1.1.3 christos *ACPI_ADD_PTR (UINT8, Resource, Info->Value)));
704 1.1 jruoho break;
705 1.1 jruoho
706 1.1 jruoho case ACPI_RSC_BITMASK16:
707 1.1 jruoho /*
708 1.1 jruoho * 16-bit encoded bitmask (IRQ macro)
709 1.1 jruoho */
710 1.1 jruoho Temp16 = AcpiRsEncodeBitmask (Source,
711 1.1 jruoho *ACPI_ADD_PTR (UINT8, Resource, Info->Value));
712 1.1 jruoho ACPI_MOVE_16_TO_16 (Destination, &Temp16);
713 1.1 jruoho break;
714 1.1 jruoho
715 1.1 jruoho case ACPI_RSC_EXIT_LE:
716 1.1 jruoho /*
717 1.1 jruoho * Control - Exit conversion if less than or equal
718 1.1 jruoho */
719 1.1 jruoho if (ItemCount <= Info->Value)
720 1.1 jruoho {
721 1.1 jruoho goto Exit;
722 1.1 jruoho }
723 1.1 jruoho break;
724 1.1 jruoho
725 1.1 jruoho case ACPI_RSC_EXIT_NE:
726 1.1 jruoho /*
727 1.1 jruoho * Control - Exit conversion if not equal
728 1.1 jruoho */
729 1.1 jruoho switch (COMPARE_OPCODE (Info))
730 1.1 jruoho {
731 1.1 jruoho case ACPI_RSC_COMPARE_VALUE:
732 1.1 jruoho
733 1.1 jruoho if (*ACPI_ADD_PTR (UINT8, Resource,
734 1.1 jruoho COMPARE_TARGET (Info)) != COMPARE_VALUE (Info))
735 1.1 jruoho {
736 1.1 jruoho goto Exit;
737 1.1 jruoho }
738 1.1 jruoho break;
739 1.1 jruoho
740 1.1 jruoho default:
741 1.1 jruoho
742 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion sub-opcode"));
743 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
744 1.1 jruoho }
745 1.1 jruoho break;
746 1.1 jruoho
747 1.1 jruoho case ACPI_RSC_EXIT_EQ:
748 1.1 jruoho /*
749 1.1 jruoho * Control - Exit conversion if equal
750 1.1 jruoho */
751 1.1 jruoho if (*ACPI_ADD_PTR (UINT8, Resource,
752 1.1 jruoho COMPARE_TARGET (Info)) == COMPARE_VALUE (Info))
753 1.1 jruoho {
754 1.1 jruoho goto Exit;
755 1.1 jruoho }
756 1.1 jruoho break;
757 1.1 jruoho
758 1.1 jruoho default:
759 1.1 jruoho
760 1.1 jruoho ACPI_ERROR ((AE_INFO, "Invalid conversion opcode"));
761 1.1 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER);
762 1.1 jruoho }
763 1.1 jruoho
764 1.1 jruoho Count--;
765 1.1 jruoho Info++;
766 1.1 jruoho }
767 1.1 jruoho
768 1.1 jruoho Exit:
769 1.1 jruoho return_ACPI_STATUS (AE_OK);
770 1.1 jruoho }
771 1.1 jruoho
772 1.1 jruoho
773 1.1 jruoho #if 0
774 1.1 jruoho /* Previous resource validations */
775 1.1 jruoho
776 1.1 jruoho if (Aml->ExtAddress64.RevisionID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION)
777 1.1 jruoho {
778 1.1 jruoho return_ACPI_STATUS (AE_SUPPORT);
779 1.1 jruoho }
780 1.1 jruoho
781 1.1 jruoho if (Resource->Data.StartDpf.PerformanceRobustness >= 3)
782 1.1 jruoho {
783 1.1 jruoho return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
784 1.1 jruoho }
785 1.1 jruoho
786 1.1 jruoho if (((Aml->Irq.Flags & 0x09) == 0x00) ||
787 1.1 jruoho ((Aml->Irq.Flags & 0x09) == 0x09))
788 1.1 jruoho {
789 1.1 jruoho /*
790 1.1 jruoho * Only [ActiveHigh, EdgeSensitive] or [ActiveLow, LevelSensitive]
791 1.1 jruoho * polarity/trigger interrupts are allowed (ACPI spec, section
792 1.1 jruoho * "IRQ Format"), so 0x00 and 0x09 are illegal.
793 1.1 jruoho */
794 1.1 jruoho ACPI_ERROR ((AE_INFO,
795 1.1 jruoho "Invalid interrupt polarity/trigger in resource list, 0x%X",
796 1.1 jruoho Aml->Irq.Flags));
797 1.1 jruoho return_ACPI_STATUS (AE_BAD_DATA);
798 1.1 jruoho }
799 1.1 jruoho
800 1.1 jruoho Resource->Data.ExtendedIrq.InterruptCount = Temp8;
801 1.1 jruoho if (Temp8 < 1)
802 1.1 jruoho {
803 1.1 jruoho /* Must have at least one IRQ */
804 1.1 jruoho
805 1.1 jruoho return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
806 1.1 jruoho }
807 1.1 jruoho
808 1.1 jruoho if (Resource->Data.Dma.Transfer == 0x03)
809 1.1 jruoho {
810 1.1 jruoho ACPI_ERROR ((AE_INFO,
811 1.1 jruoho "Invalid DMA.Transfer preference (3)"));
812 1.1 jruoho return_ACPI_STATUS (AE_BAD_DATA);
813 1.1 jruoho }
814 1.1 jruoho #endif
815