1a159c266SJung-uk Kim /******************************************************************************* 2a159c266SJung-uk Kim * 3a159c266SJung-uk Kim * Module Name: rsutils - Utilities for the resource manager 4a159c266SJung-uk Kim * 5a159c266SJung-uk Kim ******************************************************************************/ 6a159c266SJung-uk Kim 7a159c266SJung-uk Kim /* 8efcc2a30SJung-uk Kim * Copyright (C) 2000 - 2013, Intel Corp. 9a159c266SJung-uk Kim * All rights reserved. 10a159c266SJung-uk Kim * 11a159c266SJung-uk Kim * Redistribution and use in source and binary forms, with or without 12a159c266SJung-uk Kim * modification, are permitted provided that the following conditions 13a159c266SJung-uk Kim * are met: 14a159c266SJung-uk Kim * 1. Redistributions of source code must retain the above copyright 15a159c266SJung-uk Kim * notice, this list of conditions, and the following disclaimer, 16a159c266SJung-uk Kim * without modification. 17a159c266SJung-uk Kim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18a159c266SJung-uk Kim * substantially similar to the "NO WARRANTY" disclaimer below 19a159c266SJung-uk Kim * ("Disclaimer") and any redistribution must be conditioned upon 20a159c266SJung-uk Kim * including a substantially similar Disclaimer requirement for further 21a159c266SJung-uk Kim * binary redistribution. 22a159c266SJung-uk Kim * 3. Neither the names of the above-listed copyright holders nor the names 23a159c266SJung-uk Kim * of any contributors may be used to endorse or promote products derived 24a159c266SJung-uk Kim * from this software without specific prior written permission. 25a159c266SJung-uk Kim * 26a159c266SJung-uk Kim * Alternatively, this software may be distributed under the terms of the 27a159c266SJung-uk Kim * GNU General Public License ("GPL") version 2 as published by the Free 28a159c266SJung-uk Kim * Software Foundation. 29a159c266SJung-uk Kim * 30a159c266SJung-uk Kim * NO WARRANTY 31a159c266SJung-uk Kim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32a159c266SJung-uk Kim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33a159c266SJung-uk Kim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34a159c266SJung-uk Kim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35a159c266SJung-uk Kim * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36a159c266SJung-uk Kim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37a159c266SJung-uk Kim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38a159c266SJung-uk Kim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39a159c266SJung-uk Kim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40a159c266SJung-uk Kim * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41a159c266SJung-uk Kim * POSSIBILITY OF SUCH DAMAGES. 42a159c266SJung-uk Kim */ 43a159c266SJung-uk Kim 44a159c266SJung-uk Kim 45a159c266SJung-uk Kim #define __RSUTILS_C__ 46a159c266SJung-uk Kim 47a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acpi.h> 48a159c266SJung-uk Kim #include <contrib/dev/acpica/include/accommon.h> 49a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acnamesp.h> 50a159c266SJung-uk Kim #include <contrib/dev/acpica/include/acresrc.h> 51a159c266SJung-uk Kim 52a159c266SJung-uk Kim 53a159c266SJung-uk Kim #define _COMPONENT ACPI_RESOURCES 54a159c266SJung-uk Kim ACPI_MODULE_NAME ("rsutils") 55a159c266SJung-uk Kim 56a159c266SJung-uk Kim 57a159c266SJung-uk Kim /******************************************************************************* 58a159c266SJung-uk Kim * 59a159c266SJung-uk Kim * FUNCTION: AcpiRsDecodeBitmask 60a159c266SJung-uk Kim * 61a159c266SJung-uk Kim * PARAMETERS: Mask - Bitmask to decode 62a159c266SJung-uk Kim * List - Where the converted list is returned 63a159c266SJung-uk Kim * 64a159c266SJung-uk Kim * RETURN: Count of bits set (length of list) 65a159c266SJung-uk Kim * 66a159c266SJung-uk Kim * DESCRIPTION: Convert a bit mask into a list of values 67a159c266SJung-uk Kim * 68a159c266SJung-uk Kim ******************************************************************************/ 69a159c266SJung-uk Kim 70a159c266SJung-uk Kim UINT8 71a159c266SJung-uk Kim AcpiRsDecodeBitmask ( 72a159c266SJung-uk Kim UINT16 Mask, 73a159c266SJung-uk Kim UINT8 *List) 74a159c266SJung-uk Kim { 75a159c266SJung-uk Kim UINT8 i; 76a159c266SJung-uk Kim UINT8 BitCount; 77a159c266SJung-uk Kim 78a159c266SJung-uk Kim 79a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 80a159c266SJung-uk Kim 81a159c266SJung-uk Kim 82a159c266SJung-uk Kim /* Decode the mask bits */ 83a159c266SJung-uk Kim 84a159c266SJung-uk Kim for (i = 0, BitCount = 0; Mask; i++) 85a159c266SJung-uk Kim { 86a159c266SJung-uk Kim if (Mask & 0x0001) 87a159c266SJung-uk Kim { 88a159c266SJung-uk Kim List[BitCount] = i; 89a159c266SJung-uk Kim BitCount++; 90a159c266SJung-uk Kim } 91a159c266SJung-uk Kim 92a159c266SJung-uk Kim Mask >>= 1; 93a159c266SJung-uk Kim } 94a159c266SJung-uk Kim 95a159c266SJung-uk Kim return (BitCount); 96a159c266SJung-uk Kim } 97a159c266SJung-uk Kim 98a159c266SJung-uk Kim 99a159c266SJung-uk Kim /******************************************************************************* 100a159c266SJung-uk Kim * 101a159c266SJung-uk Kim * FUNCTION: AcpiRsEncodeBitmask 102a159c266SJung-uk Kim * 103a159c266SJung-uk Kim * PARAMETERS: List - List of values to encode 104a159c266SJung-uk Kim * Count - Length of list 105a159c266SJung-uk Kim * 106a159c266SJung-uk Kim * RETURN: Encoded bitmask 107a159c266SJung-uk Kim * 108a159c266SJung-uk Kim * DESCRIPTION: Convert a list of values to an encoded bitmask 109a159c266SJung-uk Kim * 110a159c266SJung-uk Kim ******************************************************************************/ 111a159c266SJung-uk Kim 112a159c266SJung-uk Kim UINT16 113a159c266SJung-uk Kim AcpiRsEncodeBitmask ( 114a159c266SJung-uk Kim UINT8 *List, 115a159c266SJung-uk Kim UINT8 Count) 116a159c266SJung-uk Kim { 117a159c266SJung-uk Kim UINT32 i; 118a159c266SJung-uk Kim UINT16 Mask; 119a159c266SJung-uk Kim 120a159c266SJung-uk Kim 121a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 122a159c266SJung-uk Kim 123a159c266SJung-uk Kim 124a159c266SJung-uk Kim /* Encode the list into a single bitmask */ 125a159c266SJung-uk Kim 126a159c266SJung-uk Kim for (i = 0, Mask = 0; i < Count; i++) 127a159c266SJung-uk Kim { 128a159c266SJung-uk Kim Mask |= (0x1 << List[i]); 129a159c266SJung-uk Kim } 130a159c266SJung-uk Kim 131a159c266SJung-uk Kim return (Mask); 132a159c266SJung-uk Kim } 133a159c266SJung-uk Kim 134a159c266SJung-uk Kim 135a159c266SJung-uk Kim /******************************************************************************* 136a159c266SJung-uk Kim * 137a159c266SJung-uk Kim * FUNCTION: AcpiRsMoveData 138a159c266SJung-uk Kim * 139a159c266SJung-uk Kim * PARAMETERS: Destination - Pointer to the destination descriptor 140a159c266SJung-uk Kim * Source - Pointer to the source descriptor 141a159c266SJung-uk Kim * ItemCount - How many items to move 142a159c266SJung-uk Kim * MoveType - Byte width 143a159c266SJung-uk Kim * 144a159c266SJung-uk Kim * RETURN: None 145a159c266SJung-uk Kim * 146a159c266SJung-uk Kim * DESCRIPTION: Move multiple data items from one descriptor to another. Handles 147a159c266SJung-uk Kim * alignment issues and endian issues if necessary, as configured 148a159c266SJung-uk Kim * via the ACPI_MOVE_* macros. (This is why a memcpy is not used) 149a159c266SJung-uk Kim * 150a159c266SJung-uk Kim ******************************************************************************/ 151a159c266SJung-uk Kim 152a159c266SJung-uk Kim void 153a159c266SJung-uk Kim AcpiRsMoveData ( 154a159c266SJung-uk Kim void *Destination, 155a159c266SJung-uk Kim void *Source, 156a159c266SJung-uk Kim UINT16 ItemCount, 157a159c266SJung-uk Kim UINT8 MoveType) 158a159c266SJung-uk Kim { 159a159c266SJung-uk Kim UINT32 i; 160a159c266SJung-uk Kim 161a159c266SJung-uk Kim 162a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 163a159c266SJung-uk Kim 164a159c266SJung-uk Kim 165a159c266SJung-uk Kim /* One move per item */ 166a159c266SJung-uk Kim 167a159c266SJung-uk Kim for (i = 0; i < ItemCount; i++) 168a159c266SJung-uk Kim { 169a159c266SJung-uk Kim switch (MoveType) 170a159c266SJung-uk Kim { 171a159c266SJung-uk Kim /* 172a159c266SJung-uk Kim * For the 8-bit case, we can perform the move all at once 173a159c266SJung-uk Kim * since there are no alignment or endian issues 174a159c266SJung-uk Kim */ 175a159c266SJung-uk Kim case ACPI_RSC_MOVE8: 176a159c266SJung-uk Kim case ACPI_RSC_MOVE_GPIO_RES: 177a159c266SJung-uk Kim case ACPI_RSC_MOVE_SERIAL_VEN: 178a159c266SJung-uk Kim case ACPI_RSC_MOVE_SERIAL_RES: 179a159c266SJung-uk Kim ACPI_MEMCPY (Destination, Source, ItemCount); 180a159c266SJung-uk Kim return; 181a159c266SJung-uk Kim 182a159c266SJung-uk Kim /* 183a159c266SJung-uk Kim * 16-, 32-, and 64-bit cases must use the move macros that perform 184e8241eabSJung-uk Kim * endian conversion and/or accommodate hardware that cannot perform 185a159c266SJung-uk Kim * misaligned memory transfers 186a159c266SJung-uk Kim */ 187a159c266SJung-uk Kim case ACPI_RSC_MOVE16: 188a159c266SJung-uk Kim case ACPI_RSC_MOVE_GPIO_PIN: 189a159c266SJung-uk Kim ACPI_MOVE_16_TO_16 (&ACPI_CAST_PTR (UINT16, Destination)[i], 190a159c266SJung-uk Kim &ACPI_CAST_PTR (UINT16, Source)[i]); 191a159c266SJung-uk Kim break; 192a159c266SJung-uk Kim 193a159c266SJung-uk Kim case ACPI_RSC_MOVE32: 194a159c266SJung-uk Kim ACPI_MOVE_32_TO_32 (&ACPI_CAST_PTR (UINT32, Destination)[i], 195a159c266SJung-uk Kim &ACPI_CAST_PTR (UINT32, Source)[i]); 196a159c266SJung-uk Kim break; 197a159c266SJung-uk Kim 198a159c266SJung-uk Kim case ACPI_RSC_MOVE64: 199a159c266SJung-uk Kim ACPI_MOVE_64_TO_64 (&ACPI_CAST_PTR (UINT64, Destination)[i], 200a159c266SJung-uk Kim &ACPI_CAST_PTR (UINT64, Source)[i]); 201a159c266SJung-uk Kim break; 202a159c266SJung-uk Kim 203a159c266SJung-uk Kim default: 204a159c266SJung-uk Kim return; 205a159c266SJung-uk Kim } 206a159c266SJung-uk Kim } 207a159c266SJung-uk Kim } 208a159c266SJung-uk Kim 209a159c266SJung-uk Kim 210a159c266SJung-uk Kim /******************************************************************************* 211a159c266SJung-uk Kim * 212a159c266SJung-uk Kim * FUNCTION: AcpiRsSetResourceLength 213a159c266SJung-uk Kim * 214a159c266SJung-uk Kim * PARAMETERS: TotalLength - Length of the AML descriptor, including 215a159c266SJung-uk Kim * the header and length fields. 216a159c266SJung-uk Kim * Aml - Pointer to the raw AML descriptor 217a159c266SJung-uk Kim * 218a159c266SJung-uk Kim * RETURN: None 219a159c266SJung-uk Kim * 220a159c266SJung-uk Kim * DESCRIPTION: Set the ResourceLength field of an AML 221a159c266SJung-uk Kim * resource descriptor, both Large and Small descriptors are 222a159c266SJung-uk Kim * supported automatically. Note: Descriptor Type field must 223a159c266SJung-uk Kim * be valid. 224a159c266SJung-uk Kim * 225a159c266SJung-uk Kim ******************************************************************************/ 226a159c266SJung-uk Kim 227a159c266SJung-uk Kim void 228a159c266SJung-uk Kim AcpiRsSetResourceLength ( 229a159c266SJung-uk Kim ACPI_RSDESC_SIZE TotalLength, 230a159c266SJung-uk Kim AML_RESOURCE *Aml) 231a159c266SJung-uk Kim { 232a159c266SJung-uk Kim ACPI_RS_LENGTH ResourceLength; 233a159c266SJung-uk Kim 234a159c266SJung-uk Kim 235a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 236a159c266SJung-uk Kim 237a159c266SJung-uk Kim 238a159c266SJung-uk Kim /* Length is the total descriptor length minus the header length */ 239a159c266SJung-uk Kim 240a159c266SJung-uk Kim ResourceLength = (ACPI_RS_LENGTH) 241a159c266SJung-uk Kim (TotalLength - AcpiUtGetResourceHeaderLength (Aml)); 242a159c266SJung-uk Kim 243a159c266SJung-uk Kim /* Length is stored differently for large and small descriptors */ 244a159c266SJung-uk Kim 245a159c266SJung-uk Kim if (Aml->SmallHeader.DescriptorType & ACPI_RESOURCE_NAME_LARGE) 246a159c266SJung-uk Kim { 247a159c266SJung-uk Kim /* Large descriptor -- bytes 1-2 contain the 16-bit length */ 248a159c266SJung-uk Kim 249a159c266SJung-uk Kim ACPI_MOVE_16_TO_16 (&Aml->LargeHeader.ResourceLength, &ResourceLength); 250a159c266SJung-uk Kim } 251a159c266SJung-uk Kim else 252a159c266SJung-uk Kim { 253a159c266SJung-uk Kim /* Small descriptor -- bits 2:0 of byte 0 contain the length */ 254a159c266SJung-uk Kim 255a159c266SJung-uk Kim Aml->SmallHeader.DescriptorType = (UINT8) 256a159c266SJung-uk Kim 257a159c266SJung-uk Kim /* Clear any existing length, preserving descriptor type bits */ 258a159c266SJung-uk Kim 259a159c266SJung-uk Kim ((Aml->SmallHeader.DescriptorType & ~ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK) 260a159c266SJung-uk Kim 261a159c266SJung-uk Kim | ResourceLength); 262a159c266SJung-uk Kim } 263a159c266SJung-uk Kim } 264a159c266SJung-uk Kim 265a159c266SJung-uk Kim 266a159c266SJung-uk Kim /******************************************************************************* 267a159c266SJung-uk Kim * 268a159c266SJung-uk Kim * FUNCTION: AcpiRsSetResourceHeader 269a159c266SJung-uk Kim * 270a159c266SJung-uk Kim * PARAMETERS: DescriptorType - Byte to be inserted as the type 271a159c266SJung-uk Kim * TotalLength - Length of the AML descriptor, including 272a159c266SJung-uk Kim * the header and length fields. 273a159c266SJung-uk Kim * Aml - Pointer to the raw AML descriptor 274a159c266SJung-uk Kim * 275a159c266SJung-uk Kim * RETURN: None 276a159c266SJung-uk Kim * 277a159c266SJung-uk Kim * DESCRIPTION: Set the DescriptorType and ResourceLength fields of an AML 278a159c266SJung-uk Kim * resource descriptor, both Large and Small descriptors are 279a159c266SJung-uk Kim * supported automatically 280a159c266SJung-uk Kim * 281a159c266SJung-uk Kim ******************************************************************************/ 282a159c266SJung-uk Kim 283a159c266SJung-uk Kim void 284a159c266SJung-uk Kim AcpiRsSetResourceHeader ( 285a159c266SJung-uk Kim UINT8 DescriptorType, 286a159c266SJung-uk Kim ACPI_RSDESC_SIZE TotalLength, 287a159c266SJung-uk Kim AML_RESOURCE *Aml) 288a159c266SJung-uk Kim { 289a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 290a159c266SJung-uk Kim 291a159c266SJung-uk Kim 292a159c266SJung-uk Kim /* Set the Resource Type */ 293a159c266SJung-uk Kim 294a159c266SJung-uk Kim Aml->SmallHeader.DescriptorType = DescriptorType; 295a159c266SJung-uk Kim 296a159c266SJung-uk Kim /* Set the Resource Length */ 297a159c266SJung-uk Kim 298a159c266SJung-uk Kim AcpiRsSetResourceLength (TotalLength, Aml); 299a159c266SJung-uk Kim } 300a159c266SJung-uk Kim 301a159c266SJung-uk Kim 302a159c266SJung-uk Kim /******************************************************************************* 303a159c266SJung-uk Kim * 304a159c266SJung-uk Kim * FUNCTION: AcpiRsStrcpy 305a159c266SJung-uk Kim * 306a159c266SJung-uk Kim * PARAMETERS: Destination - Pointer to the destination string 307a159c266SJung-uk Kim * Source - Pointer to the source string 308a159c266SJung-uk Kim * 309a159c266SJung-uk Kim * RETURN: String length, including NULL terminator 310a159c266SJung-uk Kim * 311a159c266SJung-uk Kim * DESCRIPTION: Local string copy that returns the string length, saving a 312a159c266SJung-uk Kim * strcpy followed by a strlen. 313a159c266SJung-uk Kim * 314a159c266SJung-uk Kim ******************************************************************************/ 315a159c266SJung-uk Kim 316a159c266SJung-uk Kim static UINT16 317a159c266SJung-uk Kim AcpiRsStrcpy ( 318a159c266SJung-uk Kim char *Destination, 319a159c266SJung-uk Kim char *Source) 320a159c266SJung-uk Kim { 321a159c266SJung-uk Kim UINT16 i; 322a159c266SJung-uk Kim 323a159c266SJung-uk Kim 324a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 325a159c266SJung-uk Kim 326a159c266SJung-uk Kim 327a159c266SJung-uk Kim for (i = 0; Source[i]; i++) 328a159c266SJung-uk Kim { 329a159c266SJung-uk Kim Destination[i] = Source[i]; 330a159c266SJung-uk Kim } 331a159c266SJung-uk Kim 332a159c266SJung-uk Kim Destination[i] = 0; 333a159c266SJung-uk Kim 334a159c266SJung-uk Kim /* Return string length including the NULL terminator */ 335a159c266SJung-uk Kim 336a159c266SJung-uk Kim return ((UINT16) (i + 1)); 337a159c266SJung-uk Kim } 338a159c266SJung-uk Kim 339a159c266SJung-uk Kim 340a159c266SJung-uk Kim /******************************************************************************* 341a159c266SJung-uk Kim * 342a159c266SJung-uk Kim * FUNCTION: AcpiRsGetResourceSource 343a159c266SJung-uk Kim * 344a159c266SJung-uk Kim * PARAMETERS: ResourceLength - Length field of the descriptor 345a159c266SJung-uk Kim * MinimumLength - Minimum length of the descriptor (minus 346a159c266SJung-uk Kim * any optional fields) 347a159c266SJung-uk Kim * ResourceSource - Where the ResourceSource is returned 348a159c266SJung-uk Kim * Aml - Pointer to the raw AML descriptor 349a159c266SJung-uk Kim * StringPtr - (optional) where to store the actual 350a159c266SJung-uk Kim * ResourceSource string 351a159c266SJung-uk Kim * 352a159c266SJung-uk Kim * RETURN: Length of the string plus NULL terminator, rounded up to native 353a159c266SJung-uk Kim * word boundary 354a159c266SJung-uk Kim * 355a159c266SJung-uk Kim * DESCRIPTION: Copy the optional ResourceSource data from a raw AML descriptor 356a159c266SJung-uk Kim * to an internal resource descriptor 357a159c266SJung-uk Kim * 358a159c266SJung-uk Kim ******************************************************************************/ 359a159c266SJung-uk Kim 360a159c266SJung-uk Kim ACPI_RS_LENGTH 361a159c266SJung-uk Kim AcpiRsGetResourceSource ( 362a159c266SJung-uk Kim ACPI_RS_LENGTH ResourceLength, 363a159c266SJung-uk Kim ACPI_RS_LENGTH MinimumLength, 364a159c266SJung-uk Kim ACPI_RESOURCE_SOURCE *ResourceSource, 365a159c266SJung-uk Kim AML_RESOURCE *Aml, 366a159c266SJung-uk Kim char *StringPtr) 367a159c266SJung-uk Kim { 368a159c266SJung-uk Kim ACPI_RSDESC_SIZE TotalLength; 369a159c266SJung-uk Kim UINT8 *AmlResourceSource; 370a159c266SJung-uk Kim 371a159c266SJung-uk Kim 372a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 373a159c266SJung-uk Kim 374a159c266SJung-uk Kim 375a159c266SJung-uk Kim TotalLength = ResourceLength + sizeof (AML_RESOURCE_LARGE_HEADER); 376a159c266SJung-uk Kim AmlResourceSource = ACPI_ADD_PTR (UINT8, Aml, MinimumLength); 377a159c266SJung-uk Kim 378a159c266SJung-uk Kim /* 379a159c266SJung-uk Kim * ResourceSource is present if the length of the descriptor is longer than 380a159c266SJung-uk Kim * the minimum length. 381a159c266SJung-uk Kim * 382a159c266SJung-uk Kim * Note: Some resource descriptors will have an additional null, so 383a159c266SJung-uk Kim * we add 1 to the minimum length. 384a159c266SJung-uk Kim */ 385a159c266SJung-uk Kim if (TotalLength > (ACPI_RSDESC_SIZE) (MinimumLength + 1)) 386a159c266SJung-uk Kim { 387a159c266SJung-uk Kim /* Get the ResourceSourceIndex */ 388a159c266SJung-uk Kim 389a159c266SJung-uk Kim ResourceSource->Index = AmlResourceSource[0]; 390a159c266SJung-uk Kim 391a159c266SJung-uk Kim ResourceSource->StringPtr = StringPtr; 392a159c266SJung-uk Kim if (!StringPtr) 393a159c266SJung-uk Kim { 394a159c266SJung-uk Kim /* 395a159c266SJung-uk Kim * String destination pointer is not specified; Set the String 396a159c266SJung-uk Kim * pointer to the end of the current ResourceSource structure. 397a159c266SJung-uk Kim */ 398a159c266SJung-uk Kim ResourceSource->StringPtr = ACPI_ADD_PTR (char, ResourceSource, 399a159c266SJung-uk Kim sizeof (ACPI_RESOURCE_SOURCE)); 400a159c266SJung-uk Kim } 401a159c266SJung-uk Kim 402a159c266SJung-uk Kim /* 403a159c266SJung-uk Kim * In order for the Resource length to be a multiple of the native 404a159c266SJung-uk Kim * word, calculate the length of the string (+1 for NULL terminator) 405a159c266SJung-uk Kim * and expand to the next word multiple. 406a159c266SJung-uk Kim * 407a159c266SJung-uk Kim * Zero the entire area of the buffer. 408a159c266SJung-uk Kim */ 409a159c266SJung-uk Kim TotalLength = (UINT32) ACPI_STRLEN ( 410a159c266SJung-uk Kim ACPI_CAST_PTR (char, &AmlResourceSource[1])) + 1; 411a159c266SJung-uk Kim TotalLength = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (TotalLength); 412a159c266SJung-uk Kim 413a159c266SJung-uk Kim ACPI_MEMSET (ResourceSource->StringPtr, 0, TotalLength); 414a159c266SJung-uk Kim 415a159c266SJung-uk Kim /* Copy the ResourceSource string to the destination */ 416a159c266SJung-uk Kim 417a159c266SJung-uk Kim ResourceSource->StringLength = AcpiRsStrcpy (ResourceSource->StringPtr, 418a159c266SJung-uk Kim ACPI_CAST_PTR (char, &AmlResourceSource[1])); 419a159c266SJung-uk Kim 420a159c266SJung-uk Kim return ((ACPI_RS_LENGTH) TotalLength); 421a159c266SJung-uk Kim } 422a159c266SJung-uk Kim 423a159c266SJung-uk Kim /* ResourceSource is not present */ 424a159c266SJung-uk Kim 425a159c266SJung-uk Kim ResourceSource->Index = 0; 426a159c266SJung-uk Kim ResourceSource->StringLength = 0; 427a159c266SJung-uk Kim ResourceSource->StringPtr = NULL; 428a159c266SJung-uk Kim return (0); 429a159c266SJung-uk Kim } 430a159c266SJung-uk Kim 431a159c266SJung-uk Kim 432a159c266SJung-uk Kim /******************************************************************************* 433a159c266SJung-uk Kim * 434a159c266SJung-uk Kim * FUNCTION: AcpiRsSetResourceSource 435a159c266SJung-uk Kim * 436a159c266SJung-uk Kim * PARAMETERS: Aml - Pointer to the raw AML descriptor 437a159c266SJung-uk Kim * MinimumLength - Minimum length of the descriptor (minus 438a159c266SJung-uk Kim * any optional fields) 439a159c266SJung-uk Kim * ResourceSource - Internal ResourceSource 440a159c266SJung-uk Kim 441a159c266SJung-uk Kim * 442a159c266SJung-uk Kim * RETURN: Total length of the AML descriptor 443a159c266SJung-uk Kim * 444a159c266SJung-uk Kim * DESCRIPTION: Convert an optional ResourceSource from internal format to a 445a159c266SJung-uk Kim * raw AML resource descriptor 446a159c266SJung-uk Kim * 447a159c266SJung-uk Kim ******************************************************************************/ 448a159c266SJung-uk Kim 449a159c266SJung-uk Kim ACPI_RSDESC_SIZE 450a159c266SJung-uk Kim AcpiRsSetResourceSource ( 451a159c266SJung-uk Kim AML_RESOURCE *Aml, 452a159c266SJung-uk Kim ACPI_RS_LENGTH MinimumLength, 453a159c266SJung-uk Kim ACPI_RESOURCE_SOURCE *ResourceSource) 454a159c266SJung-uk Kim { 455a159c266SJung-uk Kim UINT8 *AmlResourceSource; 456a159c266SJung-uk Kim ACPI_RSDESC_SIZE DescriptorLength; 457a159c266SJung-uk Kim 458a159c266SJung-uk Kim 459a159c266SJung-uk Kim ACPI_FUNCTION_ENTRY (); 460a159c266SJung-uk Kim 461a159c266SJung-uk Kim 462a159c266SJung-uk Kim DescriptorLength = MinimumLength; 463a159c266SJung-uk Kim 464a159c266SJung-uk Kim /* Non-zero string length indicates presence of a ResourceSource */ 465a159c266SJung-uk Kim 466a159c266SJung-uk Kim if (ResourceSource->StringLength) 467a159c266SJung-uk Kim { 468a159c266SJung-uk Kim /* Point to the end of the AML descriptor */ 469a159c266SJung-uk Kim 470a159c266SJung-uk Kim AmlResourceSource = ACPI_ADD_PTR (UINT8, Aml, MinimumLength); 471a159c266SJung-uk Kim 472a159c266SJung-uk Kim /* Copy the ResourceSourceIndex */ 473a159c266SJung-uk Kim 474a159c266SJung-uk Kim AmlResourceSource[0] = (UINT8) ResourceSource->Index; 475a159c266SJung-uk Kim 476a159c266SJung-uk Kim /* Copy the ResourceSource string */ 477a159c266SJung-uk Kim 478a159c266SJung-uk Kim ACPI_STRCPY (ACPI_CAST_PTR (char, &AmlResourceSource[1]), 479a159c266SJung-uk Kim ResourceSource->StringPtr); 480a159c266SJung-uk Kim 481a159c266SJung-uk Kim /* 482a159c266SJung-uk Kim * Add the length of the string (+ 1 for null terminator) to the 483a159c266SJung-uk Kim * final descriptor length 484a159c266SJung-uk Kim */ 485a159c266SJung-uk Kim DescriptorLength += ((ACPI_RSDESC_SIZE) ResourceSource->StringLength + 1); 486a159c266SJung-uk Kim } 487a159c266SJung-uk Kim 488a159c266SJung-uk Kim /* Return the new total length of the AML descriptor */ 489a159c266SJung-uk Kim 490a159c266SJung-uk Kim return (DescriptorLength); 491a159c266SJung-uk Kim } 492a159c266SJung-uk Kim 493a159c266SJung-uk Kim 494a159c266SJung-uk Kim /******************************************************************************* 495a159c266SJung-uk Kim * 496a159c266SJung-uk Kim * FUNCTION: AcpiRsGetPrtMethodData 497a159c266SJung-uk Kim * 498a159c266SJung-uk Kim * PARAMETERS: Node - Device node 499a159c266SJung-uk Kim * RetBuffer - Pointer to a buffer structure for the 500a159c266SJung-uk Kim * results 501a159c266SJung-uk Kim * 502a159c266SJung-uk Kim * RETURN: Status 503a159c266SJung-uk Kim * 504a159c266SJung-uk Kim * DESCRIPTION: This function is called to get the _PRT value of an object 505a159c266SJung-uk Kim * contained in an object specified by the handle passed in 506a159c266SJung-uk Kim * 507a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 508a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 509a159c266SJung-uk Kim * 510a159c266SJung-uk Kim ******************************************************************************/ 511a159c266SJung-uk Kim 512a159c266SJung-uk Kim ACPI_STATUS 513a159c266SJung-uk Kim AcpiRsGetPrtMethodData ( 514a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 515a159c266SJung-uk Kim ACPI_BUFFER *RetBuffer) 516a159c266SJung-uk Kim { 517a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 518a159c266SJung-uk Kim ACPI_STATUS Status; 519a159c266SJung-uk Kim 520a159c266SJung-uk Kim 521a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsGetPrtMethodData); 522a159c266SJung-uk Kim 523a159c266SJung-uk Kim 524a159c266SJung-uk Kim /* Parameters guaranteed valid by caller */ 525a159c266SJung-uk Kim 526a159c266SJung-uk Kim /* Execute the method, no parameters */ 527a159c266SJung-uk Kim 528a159c266SJung-uk Kim Status = AcpiUtEvaluateObject (Node, METHOD_NAME__PRT, 529a159c266SJung-uk Kim ACPI_BTYPE_PACKAGE, &ObjDesc); 530a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 531a159c266SJung-uk Kim { 532a159c266SJung-uk Kim return_ACPI_STATUS (Status); 533a159c266SJung-uk Kim } 534a159c266SJung-uk Kim 535a159c266SJung-uk Kim /* 536a159c266SJung-uk Kim * Create a resource linked list from the byte stream buffer that comes 537a159c266SJung-uk Kim * back from the _CRS method execution. 538a159c266SJung-uk Kim */ 539a159c266SJung-uk Kim Status = AcpiRsCreatePciRoutingTable (ObjDesc, RetBuffer); 540a159c266SJung-uk Kim 541a159c266SJung-uk Kim /* On exit, we must delete the object returned by EvaluateObject */ 542a159c266SJung-uk Kim 543a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 544a159c266SJung-uk Kim return_ACPI_STATUS (Status); 545a159c266SJung-uk Kim } 546a159c266SJung-uk Kim 547a159c266SJung-uk Kim 548a159c266SJung-uk Kim /******************************************************************************* 549a159c266SJung-uk Kim * 550a159c266SJung-uk Kim * FUNCTION: AcpiRsGetCrsMethodData 551a159c266SJung-uk Kim * 552a159c266SJung-uk Kim * PARAMETERS: Node - Device node 553a159c266SJung-uk Kim * RetBuffer - Pointer to a buffer structure for the 554a159c266SJung-uk Kim * results 555a159c266SJung-uk Kim * 556a159c266SJung-uk Kim * RETURN: Status 557a159c266SJung-uk Kim * 558a159c266SJung-uk Kim * DESCRIPTION: This function is called to get the _CRS value of an object 559a159c266SJung-uk Kim * contained in an object specified by the handle passed in 560a159c266SJung-uk Kim * 561a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 562a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 563a159c266SJung-uk Kim * 564a159c266SJung-uk Kim ******************************************************************************/ 565a159c266SJung-uk Kim 566a159c266SJung-uk Kim ACPI_STATUS 567a159c266SJung-uk Kim AcpiRsGetCrsMethodData ( 568a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 569a159c266SJung-uk Kim ACPI_BUFFER *RetBuffer) 570a159c266SJung-uk Kim { 571a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 572a159c266SJung-uk Kim ACPI_STATUS Status; 573a159c266SJung-uk Kim 574a159c266SJung-uk Kim 575a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsGetCrsMethodData); 576a159c266SJung-uk Kim 577a159c266SJung-uk Kim 578a159c266SJung-uk Kim /* Parameters guaranteed valid by caller */ 579a159c266SJung-uk Kim 580a159c266SJung-uk Kim /* Execute the method, no parameters */ 581a159c266SJung-uk Kim 582a159c266SJung-uk Kim Status = AcpiUtEvaluateObject (Node, METHOD_NAME__CRS, 583a159c266SJung-uk Kim ACPI_BTYPE_BUFFER, &ObjDesc); 584a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 585a159c266SJung-uk Kim { 586a159c266SJung-uk Kim return_ACPI_STATUS (Status); 587a159c266SJung-uk Kim } 588a159c266SJung-uk Kim 589a159c266SJung-uk Kim /* 590a159c266SJung-uk Kim * Make the call to create a resource linked list from the 591a159c266SJung-uk Kim * byte stream buffer that comes back from the _CRS method 592a159c266SJung-uk Kim * execution. 593a159c266SJung-uk Kim */ 594a159c266SJung-uk Kim Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); 595a159c266SJung-uk Kim 596a159c266SJung-uk Kim /* On exit, we must delete the object returned by evaluateObject */ 597a159c266SJung-uk Kim 598a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 599a159c266SJung-uk Kim return_ACPI_STATUS (Status); 600a159c266SJung-uk Kim } 601a159c266SJung-uk Kim 602a159c266SJung-uk Kim 603a159c266SJung-uk Kim /******************************************************************************* 604a159c266SJung-uk Kim * 605a159c266SJung-uk Kim * FUNCTION: AcpiRsGetPrsMethodData 606a159c266SJung-uk Kim * 607a159c266SJung-uk Kim * PARAMETERS: Node - Device node 608a159c266SJung-uk Kim * RetBuffer - Pointer to a buffer structure for the 609a159c266SJung-uk Kim * results 610a159c266SJung-uk Kim * 611a159c266SJung-uk Kim * RETURN: Status 612a159c266SJung-uk Kim * 613a159c266SJung-uk Kim * DESCRIPTION: This function is called to get the _PRS value of an object 614a159c266SJung-uk Kim * contained in an object specified by the handle passed in 615a159c266SJung-uk Kim * 616a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 617a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 618a159c266SJung-uk Kim * 619a159c266SJung-uk Kim ******************************************************************************/ 620a159c266SJung-uk Kim 621a159c266SJung-uk Kim ACPI_STATUS 622a159c266SJung-uk Kim AcpiRsGetPrsMethodData ( 623a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 624a159c266SJung-uk Kim ACPI_BUFFER *RetBuffer) 625a159c266SJung-uk Kim { 626a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 627a159c266SJung-uk Kim ACPI_STATUS Status; 628a159c266SJung-uk Kim 629a159c266SJung-uk Kim 630a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsGetPrsMethodData); 631a159c266SJung-uk Kim 632a159c266SJung-uk Kim 633a159c266SJung-uk Kim /* Parameters guaranteed valid by caller */ 634a159c266SJung-uk Kim 635a159c266SJung-uk Kim /* Execute the method, no parameters */ 636a159c266SJung-uk Kim 637a159c266SJung-uk Kim Status = AcpiUtEvaluateObject (Node, METHOD_NAME__PRS, 638a159c266SJung-uk Kim ACPI_BTYPE_BUFFER, &ObjDesc); 639a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 640a159c266SJung-uk Kim { 641a159c266SJung-uk Kim return_ACPI_STATUS (Status); 642a159c266SJung-uk Kim } 643a159c266SJung-uk Kim 644a159c266SJung-uk Kim /* 645a159c266SJung-uk Kim * Make the call to create a resource linked list from the 646a159c266SJung-uk Kim * byte stream buffer that comes back from the _CRS method 647a159c266SJung-uk Kim * execution. 648a159c266SJung-uk Kim */ 649a159c266SJung-uk Kim Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); 650a159c266SJung-uk Kim 651a159c266SJung-uk Kim /* On exit, we must delete the object returned by evaluateObject */ 652a159c266SJung-uk Kim 653a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 654a159c266SJung-uk Kim return_ACPI_STATUS (Status); 655a159c266SJung-uk Kim } 656a159c266SJung-uk Kim 657a159c266SJung-uk Kim 658a159c266SJung-uk Kim /******************************************************************************* 659a159c266SJung-uk Kim * 660a159c266SJung-uk Kim * FUNCTION: AcpiRsGetAeiMethodData 661a159c266SJung-uk Kim * 662a159c266SJung-uk Kim * PARAMETERS: Node - Device node 663a159c266SJung-uk Kim * RetBuffer - Pointer to a buffer structure for the 664a159c266SJung-uk Kim * results 665a159c266SJung-uk Kim * 666a159c266SJung-uk Kim * RETURN: Status 667a159c266SJung-uk Kim * 668a159c266SJung-uk Kim * DESCRIPTION: This function is called to get the _AEI value of an object 669a159c266SJung-uk Kim * contained in an object specified by the handle passed in 670a159c266SJung-uk Kim * 671a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 672a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 673a159c266SJung-uk Kim * 674a159c266SJung-uk Kim ******************************************************************************/ 675a159c266SJung-uk Kim 676a159c266SJung-uk Kim ACPI_STATUS 677a159c266SJung-uk Kim AcpiRsGetAeiMethodData ( 678a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 679a159c266SJung-uk Kim ACPI_BUFFER *RetBuffer) 680a159c266SJung-uk Kim { 681a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 682a159c266SJung-uk Kim ACPI_STATUS Status; 683a159c266SJung-uk Kim 684a159c266SJung-uk Kim 685a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsGetAeiMethodData); 686a159c266SJung-uk Kim 687a159c266SJung-uk Kim 688a159c266SJung-uk Kim /* Parameters guaranteed valid by caller */ 689a159c266SJung-uk Kim 690a159c266SJung-uk Kim /* Execute the method, no parameters */ 691a159c266SJung-uk Kim 692a159c266SJung-uk Kim Status = AcpiUtEvaluateObject (Node, METHOD_NAME__AEI, 693a159c266SJung-uk Kim ACPI_BTYPE_BUFFER, &ObjDesc); 694a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 695a159c266SJung-uk Kim { 696a159c266SJung-uk Kim return_ACPI_STATUS (Status); 697a159c266SJung-uk Kim } 698a159c266SJung-uk Kim 699a159c266SJung-uk Kim /* 700a159c266SJung-uk Kim * Make the call to create a resource linked list from the 701a159c266SJung-uk Kim * byte stream buffer that comes back from the _CRS method 702a159c266SJung-uk Kim * execution. 703a159c266SJung-uk Kim */ 704a159c266SJung-uk Kim Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); 705a159c266SJung-uk Kim 706a159c266SJung-uk Kim /* On exit, we must delete the object returned by evaluateObject */ 707a159c266SJung-uk Kim 708a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 709a159c266SJung-uk Kim return_ACPI_STATUS (Status); 710a159c266SJung-uk Kim } 711a159c266SJung-uk Kim 712a159c266SJung-uk Kim 713a159c266SJung-uk Kim /******************************************************************************* 714a159c266SJung-uk Kim * 715a159c266SJung-uk Kim * FUNCTION: AcpiRsGetMethodData 716a159c266SJung-uk Kim * 717a159c266SJung-uk Kim * PARAMETERS: Handle - Handle to the containing object 718a159c266SJung-uk Kim * Path - Path to method, relative to Handle 719a159c266SJung-uk Kim * RetBuffer - Pointer to a buffer structure for the 720a159c266SJung-uk Kim * results 721a159c266SJung-uk Kim * 722a159c266SJung-uk Kim * RETURN: Status 723a159c266SJung-uk Kim * 724a159c266SJung-uk Kim * DESCRIPTION: This function is called to get the _CRS or _PRS value of an 725a159c266SJung-uk Kim * object contained in an object specified by the handle passed in 726a159c266SJung-uk Kim * 727a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 728a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 729a159c266SJung-uk Kim * 730a159c266SJung-uk Kim ******************************************************************************/ 731a159c266SJung-uk Kim 732a159c266SJung-uk Kim ACPI_STATUS 733a159c266SJung-uk Kim AcpiRsGetMethodData ( 734a159c266SJung-uk Kim ACPI_HANDLE Handle, 735a159c266SJung-uk Kim char *Path, 736a159c266SJung-uk Kim ACPI_BUFFER *RetBuffer) 737a159c266SJung-uk Kim { 738a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *ObjDesc; 739a159c266SJung-uk Kim ACPI_STATUS Status; 740a159c266SJung-uk Kim 741a159c266SJung-uk Kim 742a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsGetMethodData); 743a159c266SJung-uk Kim 744a159c266SJung-uk Kim 745a159c266SJung-uk Kim /* Parameters guaranteed valid by caller */ 746a159c266SJung-uk Kim 747a159c266SJung-uk Kim /* Execute the method, no parameters */ 748a159c266SJung-uk Kim 749efcc2a30SJung-uk Kim Status = AcpiUtEvaluateObject (ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Handle), 750efcc2a30SJung-uk Kim Path, ACPI_BTYPE_BUFFER, &ObjDesc); 751a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 752a159c266SJung-uk Kim { 753a159c266SJung-uk Kim return_ACPI_STATUS (Status); 754a159c266SJung-uk Kim } 755a159c266SJung-uk Kim 756a159c266SJung-uk Kim /* 757a159c266SJung-uk Kim * Make the call to create a resource linked list from the 758a159c266SJung-uk Kim * byte stream buffer that comes back from the method 759a159c266SJung-uk Kim * execution. 760a159c266SJung-uk Kim */ 761a159c266SJung-uk Kim Status = AcpiRsCreateResourceList (ObjDesc, RetBuffer); 762a159c266SJung-uk Kim 763a159c266SJung-uk Kim /* On exit, we must delete the object returned by EvaluateObject */ 764a159c266SJung-uk Kim 765a159c266SJung-uk Kim AcpiUtRemoveReference (ObjDesc); 766a159c266SJung-uk Kim return_ACPI_STATUS (Status); 767a159c266SJung-uk Kim } 768a159c266SJung-uk Kim 769a159c266SJung-uk Kim 770a159c266SJung-uk Kim /******************************************************************************* 771a159c266SJung-uk Kim * 772a159c266SJung-uk Kim * FUNCTION: AcpiRsSetSrsMethodData 773a159c266SJung-uk Kim * 774a159c266SJung-uk Kim * PARAMETERS: Node - Device node 775a159c266SJung-uk Kim * InBuffer - Pointer to a buffer structure of the 776a159c266SJung-uk Kim * parameter 777a159c266SJung-uk Kim * 778a159c266SJung-uk Kim * RETURN: Status 779a159c266SJung-uk Kim * 780a159c266SJung-uk Kim * DESCRIPTION: This function is called to set the _SRS of an object contained 781a159c266SJung-uk Kim * in an object specified by the handle passed in 782a159c266SJung-uk Kim * 783a159c266SJung-uk Kim * If the function fails an appropriate status will be returned 784a159c266SJung-uk Kim * and the contents of the callers buffer is undefined. 785a159c266SJung-uk Kim * 786a159c266SJung-uk Kim * Note: Parameters guaranteed valid by caller 787a159c266SJung-uk Kim * 788a159c266SJung-uk Kim ******************************************************************************/ 789a159c266SJung-uk Kim 790a159c266SJung-uk Kim ACPI_STATUS 791a159c266SJung-uk Kim AcpiRsSetSrsMethodData ( 792a159c266SJung-uk Kim ACPI_NAMESPACE_NODE *Node, 793a159c266SJung-uk Kim ACPI_BUFFER *InBuffer) 794a159c266SJung-uk Kim { 795a159c266SJung-uk Kim ACPI_EVALUATE_INFO *Info; 796a159c266SJung-uk Kim ACPI_OPERAND_OBJECT *Args[2]; 797a159c266SJung-uk Kim ACPI_STATUS Status; 798a159c266SJung-uk Kim ACPI_BUFFER Buffer; 799a159c266SJung-uk Kim 800a159c266SJung-uk Kim 801a159c266SJung-uk Kim ACPI_FUNCTION_TRACE (RsSetSrsMethodData); 802a159c266SJung-uk Kim 803a159c266SJung-uk Kim 804a159c266SJung-uk Kim /* Allocate and initialize the evaluation information block */ 805a159c266SJung-uk Kim 806a159c266SJung-uk Kim Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); 807a159c266SJung-uk Kim if (!Info) 808a159c266SJung-uk Kim { 809a159c266SJung-uk Kim return_ACPI_STATUS (AE_NO_MEMORY); 810a159c266SJung-uk Kim } 811a159c266SJung-uk Kim 812a159c266SJung-uk Kim Info->PrefixNode = Node; 813895f26a9SJung-uk Kim Info->RelativePathname = METHOD_NAME__SRS; 814a159c266SJung-uk Kim Info->Parameters = Args; 815a159c266SJung-uk Kim Info->Flags = ACPI_IGNORE_RETURN_VALUE; 816a159c266SJung-uk Kim 817a159c266SJung-uk Kim /* 818a159c266SJung-uk Kim * The InBuffer parameter will point to a linked list of 819a159c266SJung-uk Kim * resource parameters. It needs to be formatted into a 820a159c266SJung-uk Kim * byte stream to be sent in as an input parameter to _SRS 821a159c266SJung-uk Kim * 822a159c266SJung-uk Kim * Convert the linked list into a byte stream 823a159c266SJung-uk Kim */ 824a159c266SJung-uk Kim Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; 825a159c266SJung-uk Kim Status = AcpiRsCreateAmlResources (InBuffer->Pointer, &Buffer); 826a159c266SJung-uk Kim if (ACPI_FAILURE (Status)) 827a159c266SJung-uk Kim { 828a159c266SJung-uk Kim goto Cleanup; 829a159c266SJung-uk Kim } 830a159c266SJung-uk Kim 831a159c266SJung-uk Kim /* Create and initialize the method parameter object */ 832a159c266SJung-uk Kim 833a159c266SJung-uk Kim Args[0] = AcpiUtCreateInternalObject (ACPI_TYPE_BUFFER); 834a159c266SJung-uk Kim if (!Args[0]) 835a159c266SJung-uk Kim { 836a159c266SJung-uk Kim /* 837a159c266SJung-uk Kim * Must free the buffer allocated above (otherwise it is freed 838a159c266SJung-uk Kim * later) 839a159c266SJung-uk Kim */ 840a159c266SJung-uk Kim ACPI_FREE (Buffer.Pointer); 841a159c266SJung-uk Kim Status = AE_NO_MEMORY; 842a159c266SJung-uk Kim goto Cleanup; 843a159c266SJung-uk Kim } 844a159c266SJung-uk Kim 845a159c266SJung-uk Kim Args[0]->Buffer.Length = (UINT32) Buffer.Length; 846a159c266SJung-uk Kim Args[0]->Buffer.Pointer = Buffer.Pointer; 847a159c266SJung-uk Kim Args[0]->Common.Flags = AOPOBJ_DATA_VALID; 848a159c266SJung-uk Kim Args[1] = NULL; 849a159c266SJung-uk Kim 850a159c266SJung-uk Kim /* Execute the method, no return value is expected */ 851a159c266SJung-uk Kim 852a159c266SJung-uk Kim Status = AcpiNsEvaluate (Info); 853a159c266SJung-uk Kim 854a159c266SJung-uk Kim /* Clean up and return the status from AcpiNsEvaluate */ 855a159c266SJung-uk Kim 856a159c266SJung-uk Kim AcpiUtRemoveReference (Args[0]); 857a159c266SJung-uk Kim 858a159c266SJung-uk Kim Cleanup: 859a159c266SJung-uk Kim ACPI_FREE (Info); 860a159c266SJung-uk Kim return_ACPI_STATUS (Status); 861a159c266SJung-uk Kim } 862