167754Smsmith/****************************************************************************** 267754Smsmith * 377424Smsmith * Module Name: exregion - ACPI default OpRegion (address space) handlers 467754Smsmith * 567754Smsmith *****************************************************************************/ 667754Smsmith 7316303Sjkim/****************************************************************************** 8316303Sjkim * 9316303Sjkim * 1. Copyright Notice 10316303Sjkim * 11316303Sjkim * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. 1270243Smsmith * All rights reserved. 1367754Smsmith * 14316303Sjkim * 2. License 15316303Sjkim * 16316303Sjkim * 2.1. This is your license from Intel Corp. under its intellectual property 17316303Sjkim * rights. You may have additional license terms from the party that provided 18316303Sjkim * you this software, covering your right to use that party's intellectual 19316303Sjkim * property rights. 20316303Sjkim * 21316303Sjkim * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22316303Sjkim * copy of the source code appearing in this file ("Covered Code") an 23316303Sjkim * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24316303Sjkim * base code distributed originally by Intel ("Original Intel Code") to copy, 25316303Sjkim * make derivatives, distribute, use and display any portion of the Covered 26316303Sjkim * Code in any form, with the right to sublicense such rights; and 27316303Sjkim * 28316303Sjkim * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29316303Sjkim * license (with the right to sublicense), under only those claims of Intel 30316303Sjkim * patents that are infringed by the Original Intel Code, to make, use, sell, 31316303Sjkim * offer to sell, and import the Covered Code and derivative works thereof 32316303Sjkim * solely to the minimum extent necessary to exercise the above copyright 33316303Sjkim * license, and in no event shall the patent license extend to any additions 34316303Sjkim * to or modifications of the Original Intel Code. No other license or right 35316303Sjkim * is granted directly or by implication, estoppel or otherwise; 36316303Sjkim * 37316303Sjkim * The above copyright and patent license is granted only if the following 38316303Sjkim * conditions are met: 39316303Sjkim * 40316303Sjkim * 3. Conditions 41316303Sjkim * 42316303Sjkim * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43316303Sjkim * Redistribution of source code of any substantial portion of the Covered 44316303Sjkim * Code or modification with rights to further distribute source must include 45316303Sjkim * the above Copyright Notice, the above License, this list of Conditions, 46316303Sjkim * and the following Disclaimer and Export Compliance provision. In addition, 47316303Sjkim * Licensee must cause all Covered Code to which Licensee contributes to 48316303Sjkim * contain a file documenting the changes Licensee made to create that Covered 49316303Sjkim * Code and the date of any change. Licensee must include in that file the 50316303Sjkim * documentation of any changes made by any predecessor Licensee. Licensee 51316303Sjkim * must include a prominent statement that the modification is derived, 52316303Sjkim * directly or indirectly, from Original Intel Code. 53316303Sjkim * 54316303Sjkim * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55316303Sjkim * Redistribution of source code of any substantial portion of the Covered 56316303Sjkim * Code or modification without rights to further distribute source must 57316303Sjkim * include the following Disclaimer and Export Compliance provision in the 58316303Sjkim * documentation and/or other materials provided with distribution. In 59316303Sjkim * addition, Licensee may not authorize further sublicense of source of any 60316303Sjkim * portion of the Covered Code, and must include terms to the effect that the 61316303Sjkim * license from Licensee to its licensee is limited to the intellectual 62316303Sjkim * property embodied in the software Licensee provides to its licensee, and 63316303Sjkim * not to intellectual property embodied in modifications its licensee may 64316303Sjkim * make. 65316303Sjkim * 66316303Sjkim * 3.3. Redistribution of Executable. Redistribution in executable form of any 67316303Sjkim * substantial portion of the Covered Code or modification must reproduce the 68316303Sjkim * above Copyright Notice, and the following Disclaimer and Export Compliance 69316303Sjkim * provision in the documentation and/or other materials provided with the 70316303Sjkim * distribution. 71316303Sjkim * 72316303Sjkim * 3.4. Intel retains all right, title, and interest in and to the Original 73316303Sjkim * Intel Code. 74316303Sjkim * 75316303Sjkim * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76316303Sjkim * Intel shall be used in advertising or otherwise to promote the sale, use or 77316303Sjkim * other dealings in products derived from or relating to the Covered Code 78316303Sjkim * without prior written authorization from Intel. 79316303Sjkim * 80316303Sjkim * 4. Disclaimer and Export Compliance 81316303Sjkim * 82316303Sjkim * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83316303Sjkim * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84316303Sjkim * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85316303Sjkim * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86316303Sjkim * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87316303Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88316303Sjkim * PARTICULAR PURPOSE. 89316303Sjkim * 90316303Sjkim * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91316303Sjkim * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92316303Sjkim * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93316303Sjkim * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94316303Sjkim * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95316303Sjkim * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96316303Sjkim * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97316303Sjkim * LIMITED REMEDY. 98316303Sjkim * 99316303Sjkim * 4.3. Licensee shall not export, either directly or indirectly, any of this 100316303Sjkim * software or system incorporating such software without first obtaining any 101316303Sjkim * required license or other approval from the U. S. Department of Commerce or 102316303Sjkim * any other agency or department of the United States Government. In the 103316303Sjkim * event Licensee exports any such software from the United States or 104316303Sjkim * re-exports any such software from a foreign destination, Licensee shall 105316303Sjkim * ensure that the distribution and export/re-export of the software is in 106316303Sjkim * compliance with all laws, regulations, orders, or other restrictions of the 107316303Sjkim * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108316303Sjkim * any of its subsidiaries will export/re-export any technical data, process, 109316303Sjkim * software, or service, directly or indirectly, to any country for which the 110316303Sjkim * United States government or any agency thereof requires an export license, 111316303Sjkim * other governmental approval, or letter of assurance, without first obtaining 112316303Sjkim * such license, approval or letter. 113316303Sjkim * 114316303Sjkim ***************************************************************************** 115316303Sjkim * 116316303Sjkim * Alternatively, you may choose to be licensed under the terms of the 117316303Sjkim * following license: 118316303Sjkim * 119217365Sjkim * Redistribution and use in source and binary forms, with or without 120217365Sjkim * modification, are permitted provided that the following conditions 121217365Sjkim * are met: 122217365Sjkim * 1. Redistributions of source code must retain the above copyright 123217365Sjkim * notice, this list of conditions, and the following disclaimer, 124217365Sjkim * without modification. 125217365Sjkim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126217365Sjkim * substantially similar to the "NO WARRANTY" disclaimer below 127217365Sjkim * ("Disclaimer") and any redistribution must be conditioned upon 128217365Sjkim * including a substantially similar Disclaimer requirement for further 129217365Sjkim * binary redistribution. 130217365Sjkim * 3. Neither the names of the above-listed copyright holders nor the names 131217365Sjkim * of any contributors may be used to endorse or promote products derived 132217365Sjkim * from this software without specific prior written permission. 13367754Smsmith * 134316303Sjkim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135316303Sjkim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136316303Sjkim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137316303Sjkim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138316303Sjkim * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139316303Sjkim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140316303Sjkim * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141316303Sjkim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142316303Sjkim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143316303Sjkim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144316303Sjkim * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145316303Sjkim * 146316303Sjkim * Alternatively, you may choose to be licensed under the terms of the 147217365Sjkim * GNU General Public License ("GPL") version 2 as published by the Free 148217365Sjkim * Software Foundation. 14967754Smsmith * 150316303Sjkim *****************************************************************************/ 15167754Smsmith 152193341Sjkim#include <contrib/dev/acpica/include/acpi.h> 153193341Sjkim#include <contrib/dev/acpica/include/accommon.h> 154193341Sjkim#include <contrib/dev/acpica/include/acinterp.h> 15567754Smsmith 15667754Smsmith 15777424Smsmith#define _COMPONENT ACPI_EXECUTER 15891116Smsmith ACPI_MODULE_NAME ("exregion") 15967754Smsmith 16067754Smsmith 16167754Smsmith/******************************************************************************* 16267754Smsmith * 16377424Smsmith * FUNCTION: AcpiExSystemMemorySpaceHandler 16467754Smsmith * 16567754Smsmith * PARAMETERS: Function - Read or Write operation 16667754Smsmith * Address - Where in the space to read or write 16767754Smsmith * BitWidth - Field width in bits (8, 16, or 32) 16867754Smsmith * Value - Pointer to in or out value 16967754Smsmith * HandlerContext - Pointer to Handler's context 17067754Smsmith * RegionContext - Pointer to context specific to the 17184491Smsmith * accessed region 17267754Smsmith * 17367754Smsmith * RETURN: Status 17467754Smsmith * 17567754Smsmith * DESCRIPTION: Handler for the System Memory address space (Op Region) 17667754Smsmith * 17767754Smsmith ******************************************************************************/ 17867754Smsmith 17967754SmsmithACPI_STATUS 18077424SmsmithAcpiExSystemMemorySpaceHandler ( 18167754Smsmith UINT32 Function, 18269450Smsmith ACPI_PHYSICAL_ADDRESS Address, 18367754Smsmith UINT32 BitWidth, 184202771Sjkim UINT64 *Value, 18567754Smsmith void *HandlerContext, 18667754Smsmith void *RegionContext) 18767754Smsmith{ 18867754Smsmith ACPI_STATUS Status = AE_OK; 18967754Smsmith void *LogicalAddrPtr = NULL; 19077424Smsmith ACPI_MEM_SPACE_CONTEXT *MemInfo = RegionContext; 19167754Smsmith UINT32 Length; 192199337Sjkim ACPI_SIZE MapLength; 193199337Sjkim ACPI_SIZE PageBoundaryMapLength; 194151937Sjkim#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED 19599679Siwasaki UINT32 Remainder; 19699679Siwasaki#endif 19767754Smsmith 19867754Smsmith 199167802Sjkim ACPI_FUNCTION_TRACE (ExSystemMemorySpaceHandler); 20067754Smsmith 201167802Sjkim 20267754Smsmith /* Validate and translate the bit width */ 20367754Smsmith 20467754Smsmith switch (BitWidth) 20567754Smsmith { 20667754Smsmith case 8: 207250838Sjkim 20867754Smsmith Length = 1; 20967754Smsmith break; 21067754Smsmith 21167754Smsmith case 16: 212250838Sjkim 21367754Smsmith Length = 2; 21467754Smsmith break; 21567754Smsmith 21667754Smsmith case 32: 217250838Sjkim 21867754Smsmith Length = 4; 21967754Smsmith break; 22067754Smsmith 22187031Smsmith case 64: 222250838Sjkim 22387031Smsmith Length = 8; 22487031Smsmith break; 22587031Smsmith 22667754Smsmith default: 227250838Sjkim 228204773Sjkim ACPI_ERROR ((AE_INFO, "Invalid SystemMemory width %u", 22967754Smsmith BitWidth)); 23067754Smsmith return_ACPI_STATUS (AE_AML_OPERAND_VALUE); 23167754Smsmith } 23267754Smsmith 233151937Sjkim#ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED 23467754Smsmith /* 23599679Siwasaki * Hardware does not support non-aligned data transfers, we must verify 23699679Siwasaki * the request. 23799679Siwasaki */ 238202771Sjkim (void) AcpiUtShortDivide ((UINT64) Address, Length, NULL, &Remainder); 23999679Siwasaki if (Remainder != 0) 24099679Siwasaki { 24199679Siwasaki return_ACPI_STATUS (AE_AML_ALIGNMENT); 24299679Siwasaki } 24399679Siwasaki#endif 24499679Siwasaki 24599679Siwasaki /* 24667754Smsmith * Does the request fit into the cached memory mapping? 24767754Smsmith * Is 1) Address below the current mapping? OR 24867754Smsmith * 2) Address beyond the current mapping? 24967754Smsmith */ 25069450Smsmith if ((Address < MemInfo->MappedPhysicalAddress) || 251202771Sjkim (((UINT64) Address + Length) > 252202771Sjkim ((UINT64) 253151937Sjkim MemInfo->MappedPhysicalAddress + MemInfo->MappedLength))) 25467754Smsmith { 25567754Smsmith /* 25667754Smsmith * The request cannot be resolved by the current memory mapping; 25767754Smsmith * Delete the existing mapping and create a new one. 25867754Smsmith */ 25967754Smsmith if (MemInfo->MappedLength) 26067754Smsmith { 26167754Smsmith /* Valid mapping, delete it */ 26267754Smsmith 26367754Smsmith AcpiOsUnmapMemory (MemInfo->MappedLogicalAddress, 264167802Sjkim MemInfo->MappedLength); 26567754Smsmith } 26667754Smsmith 267102550Siwasaki /* 268199337Sjkim * October 2009: Attempt to map from the requested address to the 269199337Sjkim * end of the region. However, we will never map more than one 270199337Sjkim * page, nor will we cross a page boundary. 27192388Smsmith */ 272199337Sjkim MapLength = (ACPI_SIZE) 273151937Sjkim ((MemInfo->Address + MemInfo->Length) - Address); 274151937Sjkim 275199337Sjkim /* 276199337Sjkim * If mapping the entire remaining portion of the region will cross 277199337Sjkim * a page boundary, just map up to the page boundary, do not cross. 278199337Sjkim * On some systems, crossing a page boundary while mapping regions 279199337Sjkim * can cause warnings if the pages have different attributes 280199337Sjkim * due to resource management. 281199337Sjkim * 282199337Sjkim * This has the added benefit of constraining a single mapping to 283199337Sjkim * one page, which is similar to the original code that used a 4k 284199337Sjkim * maximum window. 285199337Sjkim */ 286281396Sjkim PageBoundaryMapLength = (ACPI_SIZE) 287281396Sjkim (ACPI_ROUND_UP (Address, ACPI_DEFAULT_PAGE_SIZE) - Address); 288199337Sjkim if (PageBoundaryMapLength == 0) 28992388Smsmith { 290199337Sjkim PageBoundaryMapLength = ACPI_DEFAULT_PAGE_SIZE; 29192388Smsmith } 292102550Siwasaki 293199337Sjkim if (MapLength > PageBoundaryMapLength) 294199337Sjkim { 295199337Sjkim MapLength = PageBoundaryMapLength; 296199337Sjkim } 297199337Sjkim 29867754Smsmith /* Create a new mapping starting at the address given */ 29967754Smsmith 300281396Sjkim MemInfo->MappedLogicalAddress = AcpiOsMapMemory (Address, MapLength); 301167802Sjkim if (!MemInfo->MappedLogicalAddress) 30267754Smsmith { 303167802Sjkim ACPI_ERROR ((AE_INFO, 304204773Sjkim "Could not map memory at 0x%8.8X%8.8X, size %u", 305281396Sjkim ACPI_FORMAT_UINT64 (Address), (UINT32) MapLength)); 30692388Smsmith MemInfo->MappedLength = 0; 307167802Sjkim return_ACPI_STATUS (AE_NO_MEMORY); 30867754Smsmith } 30967754Smsmith 31084491Smsmith /* Save the physical address and mapping size */ 31167754Smsmith 31269450Smsmith MemInfo->MappedPhysicalAddress = Address; 313199337Sjkim MemInfo->MappedLength = MapLength; 31467754Smsmith } 31567754Smsmith 31667754Smsmith /* 31767754Smsmith * Generate a logical pointer corresponding to the address we want to 31867754Smsmith * access 31967754Smsmith */ 32067754Smsmith LogicalAddrPtr = MemInfo->MappedLogicalAddress + 321202771Sjkim ((UINT64) Address - (UINT64) MemInfo->MappedPhysicalAddress); 32267754Smsmith 32382367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 324209746Sjkim "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n", 325281396Sjkim BitWidth, Function, ACPI_FORMAT_UINT64 (Address))); 32667754Smsmith 327167802Sjkim /* 328167802Sjkim * Perform the memory read or write 329167802Sjkim * 330167802Sjkim * Note: For machines that do not support non-aligned transfers, the target 331241973Sjkim * address was checked for alignment above. We do not attempt to break the 332167802Sjkim * transfer up into smaller (byte-size) chunks because the AML specifically 333167802Sjkim * asked for a transfer width that the hardware may require. 334167802Sjkim */ 33567754Smsmith switch (Function) 33667754Smsmith { 33787031Smsmith case ACPI_READ: 33867754Smsmith 33991116Smsmith *Value = 0; 34067754Smsmith switch (BitWidth) 34167754Smsmith { 34267754Smsmith case 8: 343250838Sjkim 344202771Sjkim *Value = (UINT64) ACPI_GET8 (LogicalAddrPtr); 34567754Smsmith break; 34667754Smsmith 34767754Smsmith case 16: 348250838Sjkim 349202771Sjkim *Value = (UINT64) ACPI_GET16 (LogicalAddrPtr); 35067754Smsmith break; 35167754Smsmith 35267754Smsmith case 32: 353250838Sjkim 354202771Sjkim *Value = (UINT64) ACPI_GET32 (LogicalAddrPtr); 35567754Smsmith break; 35687031Smsmith 35787031Smsmith case 64: 358250838Sjkim 359202771Sjkim *Value = (UINT64) ACPI_GET64 (LogicalAddrPtr); 36087031Smsmith break; 361167802Sjkim 36299679Siwasaki default: 363250838Sjkim 36499679Siwasaki /* BitWidth was already validated */ 365250838Sjkim 36699679Siwasaki break; 36767754Smsmith } 36867754Smsmith break; 36967754Smsmith 37087031Smsmith case ACPI_WRITE: 37167754Smsmith 37267754Smsmith switch (BitWidth) 37367754Smsmith { 37467754Smsmith case 8: 375250838Sjkim 376243347Sjkim ACPI_SET8 (LogicalAddrPtr, *Value); 37767754Smsmith break; 37867754Smsmith 37967754Smsmith case 16: 380250838Sjkim 381243347Sjkim ACPI_SET16 (LogicalAddrPtr, *Value); 38267754Smsmith break; 38367754Smsmith 38467754Smsmith case 32: 385250838Sjkim 386243347Sjkim ACPI_SET32 (LogicalAddrPtr, *Value); 38767754Smsmith break; 38887031Smsmith 38987031Smsmith case 64: 390250838Sjkim 391243347Sjkim ACPI_SET64 (LogicalAddrPtr, *Value); 39287031Smsmith break; 393102550Siwasaki 39499679Siwasaki default: 395250838Sjkim 39699679Siwasaki /* BitWidth was already validated */ 397250838Sjkim 39899679Siwasaki break; 39967754Smsmith } 40067754Smsmith break; 40167754Smsmith 40267754Smsmith default: 403250838Sjkim 40467754Smsmith Status = AE_BAD_PARAMETER; 40567754Smsmith break; 40667754Smsmith } 40767754Smsmith 40867754Smsmith return_ACPI_STATUS (Status); 40967754Smsmith} 41067754Smsmith 41167754Smsmith 41267754Smsmith/******************************************************************************* 41367754Smsmith * 41477424Smsmith * FUNCTION: AcpiExSystemIoSpaceHandler 41567754Smsmith * 41667754Smsmith * PARAMETERS: Function - Read or Write operation 41767754Smsmith * Address - Where in the space to read or write 41867754Smsmith * BitWidth - Field width in bits (8, 16, or 32) 41967754Smsmith * Value - Pointer to in or out value 42067754Smsmith * HandlerContext - Pointer to Handler's context 42167754Smsmith * RegionContext - Pointer to context specific to the 42284491Smsmith * accessed region 42367754Smsmith * 42467754Smsmith * RETURN: Status 42567754Smsmith * 42667754Smsmith * DESCRIPTION: Handler for the System IO address space (Op Region) 42767754Smsmith * 42867754Smsmith ******************************************************************************/ 42967754Smsmith 43067754SmsmithACPI_STATUS 43177424SmsmithAcpiExSystemIoSpaceHandler ( 43267754Smsmith UINT32 Function, 43369450Smsmith ACPI_PHYSICAL_ADDRESS Address, 43467754Smsmith UINT32 BitWidth, 435202771Sjkim UINT64 *Value, 43667754Smsmith void *HandlerContext, 43767754Smsmith void *RegionContext) 43867754Smsmith{ 43967754Smsmith ACPI_STATUS Status = AE_OK; 440117521Snjl UINT32 Value32; 44167754Smsmith 44267754Smsmith 443167802Sjkim ACPI_FUNCTION_TRACE (ExSystemIoSpaceHandler); 44467754Smsmith 44567754Smsmith 44682367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 447209746Sjkim "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n", 448281396Sjkim BitWidth, Function, ACPI_FORMAT_UINT64 (Address))); 44980062Smsmith 45067754Smsmith /* Decode the function parameter */ 45167754Smsmith 45267754Smsmith switch (Function) 45367754Smsmith { 45487031Smsmith case ACPI_READ: 45567754Smsmith 456193267Sjkim Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) Address, 457151937Sjkim &Value32, BitWidth); 458117521Snjl *Value = Value32; 45967754Smsmith break; 46067754Smsmith 46187031Smsmith case ACPI_WRITE: 46267754Smsmith 463193267Sjkim Status = AcpiHwWritePort ((ACPI_IO_ADDRESS) Address, 464151937Sjkim (UINT32) *Value, BitWidth); 46567754Smsmith break; 46667754Smsmith 46767754Smsmith default: 468250838Sjkim 46967754Smsmith Status = AE_BAD_PARAMETER; 47067754Smsmith break; 47167754Smsmith } 47267754Smsmith 47367754Smsmith return_ACPI_STATUS (Status); 47467754Smsmith} 47567754Smsmith 47680062Smsmith 47767754Smsmith/******************************************************************************* 47867754Smsmith * 47977424Smsmith * FUNCTION: AcpiExPciConfigSpaceHandler 48067754Smsmith * 48167754Smsmith * PARAMETERS: Function - Read or Write operation 48267754Smsmith * Address - Where in the space to read or write 48367754Smsmith * BitWidth - Field width in bits (8, 16, or 32) 48467754Smsmith * Value - Pointer to in or out value 48567754Smsmith * HandlerContext - Pointer to Handler's context 48667754Smsmith * RegionContext - Pointer to context specific to the 48784491Smsmith * accessed region 48867754Smsmith * 48967754Smsmith * RETURN: Status 49067754Smsmith * 49167754Smsmith * DESCRIPTION: Handler for the PCI Config address space (Op Region) 49267754Smsmith * 49367754Smsmith ******************************************************************************/ 49467754Smsmith 49567754SmsmithACPI_STATUS 49677424SmsmithAcpiExPciConfigSpaceHandler ( 49767754Smsmith UINT32 Function, 49869450Smsmith ACPI_PHYSICAL_ADDRESS Address, 49967754Smsmith UINT32 BitWidth, 500202771Sjkim UINT64 *Value, 50167754Smsmith void *HandlerContext, 50267754Smsmith void *RegionContext) 50367754Smsmith{ 50467754Smsmith ACPI_STATUS Status = AE_OK; 50580062Smsmith ACPI_PCI_ID *PciId; 50680062Smsmith UINT16 PciRegister; 50767754Smsmith 50867754Smsmith 509167802Sjkim ACPI_FUNCTION_TRACE (ExPciConfigSpaceHandler); 51067754Smsmith 51180062Smsmith 51267754Smsmith /* 51387031Smsmith * The arguments to AcpiOs(Read|Write)PciConfiguration are: 51467754Smsmith * 51580062Smsmith * PciSegment is the PCI bus segment range 0-31 51680062Smsmith * PciBus is the PCI bus number range 0-255 51780062Smsmith * PciDevice is the PCI device number range 0-31 51880062Smsmith * PciFunction is the PCI device function number 51980062Smsmith * PciRegister is the Config space register range 0-255 bytes 52067754Smsmith * 52180062Smsmith * Value - input value for write, output address for read 52267754Smsmith * 52367754Smsmith */ 52480062Smsmith PciId = (ACPI_PCI_ID *) RegionContext; 52599679Siwasaki PciRegister = (UINT16) (UINT32) Address; 52667754Smsmith 52782367Smsmith ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 528298714Sjkim "Pci-Config %u (%u) Seg(%04x) Bus(%04x) " 529298714Sjkim "Dev(%04x) Func(%04x) Reg(%04x)\n", 53083174Smsmith Function, BitWidth, PciId->Segment, PciId->Bus, PciId->Device, 53180062Smsmith PciId->Function, PciRegister)); 53267754Smsmith 53367754Smsmith switch (Function) 53467754Smsmith { 53587031Smsmith case ACPI_READ: 53667754Smsmith 53780062Smsmith *Value = 0; 538298714Sjkim Status = AcpiOsReadPciConfiguration ( 539298714Sjkim PciId, PciRegister, Value, BitWidth); 54067754Smsmith break; 54167754Smsmith 54287031Smsmith case ACPI_WRITE: 54367754Smsmith 544298714Sjkim Status = AcpiOsWritePciConfiguration ( 545298714Sjkim PciId, PciRegister, *Value, BitWidth); 54667754Smsmith break; 54767754Smsmith 54867754Smsmith default: 54967754Smsmith 55067754Smsmith Status = AE_BAD_PARAMETER; 55167754Smsmith break; 55267754Smsmith } 55367754Smsmith 55467754Smsmith return_ACPI_STATUS (Status); 55567754Smsmith} 55667754Smsmith 55784491Smsmith 55884491Smsmith/******************************************************************************* 55984491Smsmith * 56084491Smsmith * FUNCTION: AcpiExCmosSpaceHandler 56184491Smsmith * 56284491Smsmith * PARAMETERS: Function - Read or Write operation 56384491Smsmith * Address - Where in the space to read or write 56484491Smsmith * BitWidth - Field width in bits (8, 16, or 32) 56584491Smsmith * Value - Pointer to in or out value 56684491Smsmith * HandlerContext - Pointer to Handler's context 56784491Smsmith * RegionContext - Pointer to context specific to the 56884491Smsmith * accessed region 56984491Smsmith * 57084491Smsmith * RETURN: Status 57184491Smsmith * 57284491Smsmith * DESCRIPTION: Handler for the CMOS address space (Op Region) 57384491Smsmith * 57484491Smsmith ******************************************************************************/ 57584491Smsmith 57684491SmsmithACPI_STATUS 57784491SmsmithAcpiExCmosSpaceHandler ( 57884491Smsmith UINT32 Function, 57984491Smsmith ACPI_PHYSICAL_ADDRESS Address, 58084491Smsmith UINT32 BitWidth, 581202771Sjkim UINT64 *Value, 58284491Smsmith void *HandlerContext, 58384491Smsmith void *RegionContext) 58484491Smsmith{ 58584491Smsmith ACPI_STATUS Status = AE_OK; 58684491Smsmith 58784491Smsmith 588167802Sjkim ACPI_FUNCTION_TRACE (ExCmosSpaceHandler); 58984491Smsmith 59084491Smsmith 59184491Smsmith return_ACPI_STATUS (Status); 59284491Smsmith} 59384491Smsmith 59484491Smsmith 59584491Smsmith/******************************************************************************* 59684491Smsmith * 59784491Smsmith * FUNCTION: AcpiExPciBarSpaceHandler 59884491Smsmith * 59984491Smsmith * PARAMETERS: Function - Read or Write operation 60084491Smsmith * Address - Where in the space to read or write 60184491Smsmith * BitWidth - Field width in bits (8, 16, or 32) 60284491Smsmith * Value - Pointer to in or out value 60384491Smsmith * HandlerContext - Pointer to Handler's context 60484491Smsmith * RegionContext - Pointer to context specific to the 60584491Smsmith * accessed region 60684491Smsmith * 60784491Smsmith * RETURN: Status 60884491Smsmith * 60984491Smsmith * DESCRIPTION: Handler for the PCI BarTarget address space (Op Region) 61084491Smsmith * 61184491Smsmith ******************************************************************************/ 61284491Smsmith 61384491SmsmithACPI_STATUS 61484491SmsmithAcpiExPciBarSpaceHandler ( 61584491Smsmith UINT32 Function, 61684491Smsmith ACPI_PHYSICAL_ADDRESS Address, 61784491Smsmith UINT32 BitWidth, 618202771Sjkim UINT64 *Value, 61984491Smsmith void *HandlerContext, 62084491Smsmith void *RegionContext) 62184491Smsmith{ 62284491Smsmith ACPI_STATUS Status = AE_OK; 62384491Smsmith 62484491Smsmith 625167802Sjkim ACPI_FUNCTION_TRACE (ExPciBarSpaceHandler); 62684491Smsmith 62784491Smsmith 62884491Smsmith return_ACPI_STATUS (Status); 62984491Smsmith} 63084491Smsmith 63191116Smsmith 63291116Smsmith/******************************************************************************* 63391116Smsmith * 63491116Smsmith * FUNCTION: AcpiExDataTableSpaceHandler 63591116Smsmith * 63691116Smsmith * PARAMETERS: Function - Read or Write operation 63791116Smsmith * Address - Where in the space to read or write 63891116Smsmith * BitWidth - Field width in bits (8, 16, or 32) 63991116Smsmith * Value - Pointer to in or out value 64091116Smsmith * HandlerContext - Pointer to Handler's context 64191116Smsmith * RegionContext - Pointer to context specific to the 64291116Smsmith * accessed region 64391116Smsmith * 64491116Smsmith * RETURN: Status 64591116Smsmith * 64691116Smsmith * DESCRIPTION: Handler for the Data Table address space (Op Region) 64791116Smsmith * 64891116Smsmith ******************************************************************************/ 64991116Smsmith 65091116SmsmithACPI_STATUS 65191116SmsmithAcpiExDataTableSpaceHandler ( 65291116Smsmith UINT32 Function, 65391116Smsmith ACPI_PHYSICAL_ADDRESS Address, 65491116Smsmith UINT32 BitWidth, 655202771Sjkim UINT64 *Value, 65691116Smsmith void *HandlerContext, 65791116Smsmith void *RegionContext) 65891116Smsmith{ 659167802Sjkim ACPI_FUNCTION_TRACE (ExDataTableSpaceHandler); 66091116Smsmith 66191116Smsmith 662206117Sjkim /* 663206117Sjkim * Perform the memory read or write. The BitWidth was already 664206117Sjkim * validated. 665206117Sjkim */ 66691116Smsmith switch (Function) 66791116Smsmith { 66891116Smsmith case ACPI_READ: 66991116Smsmith 670284583Sjkim memcpy (ACPI_CAST_PTR (char, Value), ACPI_PHYSADDR_TO_PTR (Address), 671167802Sjkim ACPI_DIV_8 (BitWidth)); 67291116Smsmith break; 67391116Smsmith 67491116Smsmith case ACPI_WRITE: 675206117Sjkim 676284583Sjkim memcpy (ACPI_PHYSADDR_TO_PTR (Address), ACPI_CAST_PTR (char, Value), 677206117Sjkim ACPI_DIV_8 (BitWidth)); 678206117Sjkim break; 679206117Sjkim 68099679Siwasaki default: 68191116Smsmith 682206117Sjkim return_ACPI_STATUS (AE_BAD_PARAMETER); 68391116Smsmith } 68491116Smsmith 685167802Sjkim return_ACPI_STATUS (AE_OK); 68691116Smsmith} 687