X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=drivers%2Fbus%2Facpi%2Facpica%2Fhardware%2Fhwxface.c;h=f4ebe57501555b6ecf8b4192a15e645974e5d35f;hp=4687ae1c4190034758309664153e2ff6abfafeed;hb=ec55f0eb7f151c0197f43c45683f15bc32fbb230;hpb=87f326521707b050e5a974d58625927850b21210 diff --git a/drivers/bus/acpi/acpica/hardware/hwxface.c b/drivers/bus/acpi/acpica/hardware/hwxface.c index 4687ae1c419..f4ebe575015 100644 --- a/drivers/bus/acpi/acpica/hardware/hwxface.c +++ b/drivers/bus/acpi/acpica/hardware/hwxface.c @@ -4,114 +4,42 @@ * *****************************************************************************/ -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2014, Intel Corp. +/* + * Copyright (C) 2000 - 2017, Intel Corp. * All rights reserved. * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * documentation of any changes made by any predecessor Licensee. Licensee - * must include a prominent statement that the modification is derived, - * directly or indirectly, from Original Intel Code. - * - * 3.2. Redistribution of Source with no Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification without rights to further distribute source must - * include the following Disclaimer and Export Compliance provision in the - * documentation and/or other materials provided with distribution. In - * addition, Licensee may not authorize further sublicense of source of any - * portion of the Covered Code, and must include terms to the effect that the - * license from Licensee to its licensee is limited to the intellectual - * property embodied in the software Licensee provides to its licensee, and - * not to intellectual property embodied in modifications its licensee may - * make. - * - * 3.3. Redistribution of Executable. Redistribution in executable form of any - * substantial portion of the Covered Code or modification must reproduce the - * above Copyright Notice, and the following Disclaimer and Export Compliance - * provision in the documentation and/or other materials provided with the - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 3.5. Neither the name Intel nor any other trademark owned or controlled by - * Intel shall be used in advertising or otherwise to promote the sale, use or - * other dealings in products derived from or relating to the Covered Code - * without prior written authorization from Intel. - * - * 4. Disclaimer and Export Compliance - * - * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED - * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE - * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, - * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY - * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY - * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A - * PARTICULAR PURPOSE. - * - * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES - * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR - * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, - * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY - * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL - * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS - * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY - * LIMITED REMEDY. - * - * 4.3. Licensee shall not export, either directly or indirectly, any of this - * software or system incorporating such software without first obtaining any - * required license or other approval from the U. S. Department of Commerce or - * any other agency or department of the United States Government. In the - * event Licensee exports any such software from the United States or - * re-exports any such software from a foreign destination, Licensee shall - * ensure that the distribution and export/re-export of the software is in - * compliance with all laws, regulations, orders, or other restrictions of the - * U.S. Export Administration Regulations. Licensee agrees that neither it nor - * any of its subsidiaries will export/re-export any technical data, process, - * software, or service, directly or indirectly, to any country for which the - * United States government or any agency thereof requires an export license, - * other governmental approval, or letter of assurance, without first obtaining - * such license, approval or letter. - * - *****************************************************************************/ + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ #define EXPORT_ACPI_INTERFACES @@ -211,84 +139,14 @@ AcpiRead ( UINT64 *ReturnValue, ACPI_GENERIC_ADDRESS *Reg) { - UINT32 ValueLo; - UINT32 ValueHi; - UINT32 Width; - UINT64 Address; ACPI_STATUS Status; ACPI_FUNCTION_NAME (AcpiRead); - if (!ReturnValue) - { - return (AE_BAD_PARAMETER); - } - - /* Validate contents of the GAS register. Allow 64-bit transfers */ - - Status = AcpiHwValidateRegister (Reg, 64, &Address); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* - * Two address spaces supported: Memory or I/O. PCI_Config is - * not supported here because the GAS structure is insufficient - */ - if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY) - { - Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS) - Address, ReturnValue, Reg->BitWidth); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - { - ValueLo = 0; - ValueHi = 0; - - Width = Reg->BitWidth; - if (Width == 64) - { - Width = 32; /* Break into two 32-bit transfers */ - } - - Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) - Address, &ValueLo, Width); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - if (Reg->BitWidth == 64) - { - /* Read the top 32 bits */ - - Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) - (Address + 4), &ValueHi, 32); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - - /* Set the return value only if status is AE_OK */ - - *ReturnValue = (ValueLo | ((UINT64) ValueHi << 32)); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_IO, - "Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n", - ACPI_FORMAT_UINT64 (*ReturnValue), Reg->BitWidth, - ACPI_FORMAT_UINT64 (Address), - AcpiUtGetRegionName (Reg->SpaceId))); - - return (AE_OK); + Status = AcpiHwRead (ReturnValue, Reg); + return (Status); } ACPI_EXPORT_SYMBOL (AcpiRead) @@ -312,67 +170,13 @@ AcpiWrite ( UINT64 Value, ACPI_GENERIC_ADDRESS *Reg) { - UINT32 Width; - UINT64 Address; ACPI_STATUS Status; ACPI_FUNCTION_NAME (AcpiWrite); - /* Validate contents of the GAS register. Allow 64-bit transfers */ - - Status = AcpiHwValidateRegister (Reg, 64, &Address); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - /* - * Two address spaces supported: Memory or IO. PCI_Config is - * not supported here because the GAS structure is insufficient - */ - if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY) - { - Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS) - Address, Value, Reg->BitWidth); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - { - Width = Reg->BitWidth; - if (Width == 64) - { - Width = 32; /* Break into two 32-bit transfers */ - } - - Status = AcpiHwWritePort ((ACPI_IO_ADDRESS) - Address, ACPI_LODWORD (Value), Width); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - - if (Reg->BitWidth == 64) - { - Status = AcpiHwWritePort ((ACPI_IO_ADDRESS) - (Address + 4), ACPI_HIDWORD (Value), 32); - if (ACPI_FAILURE (Status)) - { - return (Status); - } - } - } - - ACPI_DEBUG_PRINT ((ACPI_DB_IO, - "Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n", - ACPI_FORMAT_UINT64 (Value), Reg->BitWidth, - ACPI_FORMAT_UINT64 (Address), - AcpiUtGetRegionName (Reg->SpaceId))); - + Status = AcpiHwWrite (Value, Reg); return (Status); } @@ -430,7 +234,7 @@ AcpiReadBitRegister ( /* Read the entire parent register */ Status = AcpiHwRegisterRead (BitRegInfo->ParentRegister, - &RegisterValue); + &RegisterValue); if (ACPI_FAILURE (Status)) { return_ACPI_STATUS (Status); @@ -439,7 +243,7 @@ AcpiReadBitRegister ( /* Normalize the value that was read, mask off other bits */ Value = ((RegisterValue & BitRegInfo->AccessBitMask) - >> BitRegInfo->BitPosition); + >> BitRegInfo->BitPosition); ACPI_DEBUG_PRINT ((ACPI_DB_IO, "BitReg %X, ParentReg %X, Actual %8.8X, ReturnValue %8.8X\n", @@ -511,7 +315,7 @@ AcpiWriteBitRegister ( * interested in */ Status = AcpiHwRegisterRead (BitRegInfo->ParentRegister, - &RegisterValue); + &RegisterValue); if (ACPI_FAILURE (Status)) { goto UnlockAndExit; @@ -525,7 +329,7 @@ AcpiWriteBitRegister ( BitRegInfo->AccessBitMask, Value); Status = AcpiHwRegisterWrite (BitRegInfo->ParentRegister, - RegisterValue); + RegisterValue); } else { @@ -545,7 +349,7 @@ AcpiWriteBitRegister ( if (RegisterValue) { Status = AcpiHwRegisterWrite (ACPI_REGISTER_PM1_STATUS, - RegisterValue); + RegisterValue); } } @@ -637,12 +441,19 @@ AcpiGetSleepTypeData ( * Evaluate the \_Sx namespace object containing the register values * for this state */ - Info->RelativePathname = ACPI_CAST_PTR ( - char, AcpiGbl_SleepStateNames[SleepState]); + Info->RelativePathname = AcpiGbl_SleepStateNames[SleepState]; + Status = AcpiNsEvaluate (Info); if (ACPI_FAILURE (Status)) { - goto Cleanup; + if (Status == AE_NOT_FOUND) + { + /* The _Sx states are optional, ignore NOT_FOUND */ + + goto FinalCleanup; + } + + goto WarningCleanup; } /* Must have a return object */ @@ -652,7 +463,7 @@ AcpiGetSleepTypeData ( ACPI_ERROR ((AE_INFO, "No Sleep State object returned from [%s]", Info->RelativePathname)); Status = AE_AML_NO_RETURN_VALUE; - goto Cleanup; + goto WarningCleanup; } /* Return object must be of type Package */ @@ -661,7 +472,7 @@ AcpiGetSleepTypeData ( { ACPI_ERROR ((AE_INFO, "Sleep State return object is not a Package")); Status = AE_AML_OPERAND_TYPE; - goto Cleanup1; + goto ReturnValueCleanup; } /* @@ -708,16 +519,18 @@ AcpiGetSleepTypeData ( break; } -Cleanup1: +ReturnValueCleanup: AcpiUtRemoveReference (Info->ReturnObject); -Cleanup: +WarningCleanup: if (ACPI_FAILURE (Status)) { ACPI_EXCEPTION ((AE_INFO, Status, - "While evaluating Sleep State [%s]", Info->RelativePathname)); + "While evaluating Sleep State [%s]", + Info->RelativePathname)); } +FinalCleanup: ACPI_FREE (Info); return_ACPI_STATUS (Status); }