| 0,0 → 1,710 |
|---|
| |
| /****************************************************************************** |
| * |
| * Module Name: hwxface - Public ACPICA hardware interfaces |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2010, 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. |
| * |
| *****************************************************************************/ |
| |
| #include "acpi.h" |
| #include "accommon.h" |
| #include "acnamesp.h" |
| |
| #define _COMPONENT ACPI_HARDWARE |
| ACPI_MODULE_NAME ("hwxface") |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiReset |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Set reset register in memory or IO space. Note: Does not |
| * support reset register in PCI config space, this must be |
| * handled separately. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiReset ( |
| void) |
| { |
| ACPI_GENERIC_ADDRESS *ResetReg; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE (AcpiReset); |
| |
| |
| ResetReg = &AcpiGbl_FADT.ResetRegister; |
| |
| /* Check if the reset register is supported */ |
| |
| if (!(AcpiGbl_FADT.Flags & ACPI_FADT_RESET_REGISTER) || |
| !ResetReg->Address) |
| { |
| return_ACPI_STATUS (AE_NOT_EXIST); |
| } |
| |
| if (ResetReg->SpaceId == ACPI_ADR_SPACE_SYSTEM_IO) |
| { |
| /* |
| * For I/O space, write directly to the OSL. This bypasses the port |
| * validation mechanism, which may block a valid write to the reset |
| * register. |
| */ |
| Status = AcpiOsWritePort ((ACPI_IO_ADDRESS) ResetReg->Address, |
| AcpiGbl_FADT.ResetValue, ResetReg->BitWidth); |
| } |
| else |
| { |
| /* Write the reset value to the reset register */ |
| |
| Status = AcpiHwWrite (AcpiGbl_FADT.ResetValue, ResetReg); |
| } |
| |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiReset) |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiRead |
| * |
| * PARAMETERS: Value - Where the value is returned |
| * Reg - GAS register structure |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Read from either memory or IO space. |
| * |
| * LIMITATIONS: <These limitations also apply to AcpiWrite> |
| * BitWidth must be exactly 8, 16, 32, or 64. |
| * SpaceID must be SystemMemory or SystemIO. |
| * BitOffset and AccessWidth are currently ignored, as there has |
| * not been a need to implement these. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiRead ( |
| UINT64 *ReturnValue, |
| ACPI_GENERIC_ADDRESS *Reg) |
| { |
| UINT32 Value; |
| 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); |
| } |
| |
| Width = Reg->BitWidth; |
| if (Width == 64) |
| { |
| Width = 32; /* Break into two 32-bit transfers */ |
| } |
| |
| /* Initialize entire 64-bit return value to zero */ |
| |
| *ReturnValue = 0; |
| Value = 0; |
| |
| /* |
| * 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 = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS) |
| Address, &Value, Width); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| *ReturnValue = Value; |
| |
| if (Reg->BitWidth == 64) |
| { |
| /* Read the top 32 bits */ |
| |
| Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS) |
| (Address + 4), &Value, 32); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| *ReturnValue |= ((UINT64) Value << 32); |
| } |
| } |
| else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ |
| { |
| Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) |
| Address, &Value, Width); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| *ReturnValue = Value; |
| |
| if (Reg->BitWidth == 64) |
| { |
| /* Read the top 32 bits */ |
| |
| Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) |
| (Address + 4), &Value, 32); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| *ReturnValue |= ((UINT64) Value << 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 (Status); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiRead) |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiWrite |
| * |
| * PARAMETERS: Value - Value to be written |
| * Reg - GAS register structure |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Write to either memory or IO space. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| 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); |
| } |
| |
| Width = Reg->BitWidth; |
| if (Width == 64) |
| { |
| Width = 32; /* Break into two 32-bit transfers */ |
| } |
| |
| /* |
| * 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, ACPI_LODWORD (Value), Width); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| |
| if (Reg->BitWidth == 64) |
| { |
| Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS) |
| (Address + 4), ACPI_HIDWORD (Value), 32); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| } |
| } |
| else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ |
| { |
| 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))); |
| |
| return (Status); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiWrite) |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiReadBitRegister |
| * |
| * PARAMETERS: RegisterId - ID of ACPI Bit Register to access |
| * ReturnValue - Value that was read from the register, |
| * normalized to bit position zero. |
| * |
| * RETURN: Status and the value read from the specified Register. Value |
| * returned is normalized to bit0 (is shifted all the way right) |
| * |
| * DESCRIPTION: ACPI BitRegister read function. Does not acquire the HW lock. |
| * |
| * SUPPORTS: Bit fields in PM1 Status, PM1 Enable, PM1 Control, and |
| * PM2 Control. |
| * |
| * Note: The hardware lock is not required when reading the ACPI bit registers |
| * since almost all of them are single bit and it does not matter that |
| * the parent hardware register can be split across two physical |
| * registers. The only multi-bit field is SLP_TYP in the PM1 control |
| * register, but this field does not cross an 8-bit boundary (nor does |
| * it make much sense to actually read this field.) |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiReadBitRegister ( |
| UINT32 RegisterId, |
| UINT32 *ReturnValue) |
| { |
| ACPI_BIT_REGISTER_INFO *BitRegInfo; |
| UINT32 RegisterValue; |
| UINT32 Value; |
| ACPI_STATUS Status; |
| |
| |
| ACPI_FUNCTION_TRACE_U32 (AcpiReadBitRegister, RegisterId); |
| |
| |
| /* Get the info structure corresponding to the requested ACPI Register */ |
| |
| BitRegInfo = AcpiHwGetBitRegisterInfo (RegisterId); |
| if (!BitRegInfo) |
| { |
| return_ACPI_STATUS (AE_BAD_PARAMETER); |
| } |
| |
| /* Read the entire parent register */ |
| |
| Status = AcpiHwRegisterRead (BitRegInfo->ParentRegister, |
| &RegisterValue); |
| if (ACPI_FAILURE (Status)) |
| { |
| return_ACPI_STATUS (Status); |
| } |
| |
| /* Normalize the value that was read, mask off other bits */ |
| |
| Value = ((RegisterValue & BitRegInfo->AccessBitMask) |
| >> BitRegInfo->BitPosition); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_IO, |
| "BitReg %X, ParentReg %X, Actual %8.8X, ReturnValue %8.8X\n", |
| RegisterId, BitRegInfo->ParentRegister, RegisterValue, Value)); |
| |
| *ReturnValue = Value; |
| return_ACPI_STATUS (AE_OK); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiReadBitRegister) |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiWriteBitRegister |
| * |
| * PARAMETERS: RegisterId - ID of ACPI Bit Register to access |
| * Value - Value to write to the register, in bit |
| * position zero. The bit is automaticallly |
| * shifted to the correct position. |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: ACPI Bit Register write function. Acquires the hardware lock |
| * since most operations require a read/modify/write sequence. |
| * |
| * SUPPORTS: Bit fields in PM1 Status, PM1 Enable, PM1 Control, and |
| * PM2 Control. |
| * |
| * Note that at this level, the fact that there may be actually two |
| * hardware registers (A and B - and B may not exist) is abstracted. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiWriteBitRegister ( |
| UINT32 RegisterId, |
| UINT32 Value) |
| { |
| ACPI_BIT_REGISTER_INFO *BitRegInfo; |
| ACPI_CPU_FLAGS LockFlags; |
| UINT32 RegisterValue; |
| ACPI_STATUS Status = AE_OK; |
| |
| |
| ACPI_FUNCTION_TRACE_U32 (AcpiWriteBitRegister, RegisterId); |
| |
| |
| /* Get the info structure corresponding to the requested ACPI Register */ |
| |
| BitRegInfo = AcpiHwGetBitRegisterInfo (RegisterId); |
| if (!BitRegInfo) |
| { |
| return_ACPI_STATUS (AE_BAD_PARAMETER); |
| } |
| |
| LockFlags = AcpiOsAcquireLock (AcpiGbl_HardwareLock); |
| |
| /* |
| * At this point, we know that the parent register is one of the |
| * following: PM1 Status, PM1 Enable, PM1 Control, or PM2 Control |
| */ |
| if (BitRegInfo->ParentRegister != ACPI_REGISTER_PM1_STATUS) |
| { |
| /* |
| * 1) Case for PM1 Enable, PM1 Control, and PM2 Control |
| * |
| * Perform a register read to preserve the bits that we are not |
| * interested in |
| */ |
| Status = AcpiHwRegisterRead (BitRegInfo->ParentRegister, |
| &RegisterValue); |
| if (ACPI_FAILURE (Status)) |
| { |
| goto UnlockAndExit; |
| } |
| |
| /* |
| * Insert the input bit into the value that was just read |
| * and write the register |
| */ |
| ACPI_REGISTER_INSERT_VALUE (RegisterValue, BitRegInfo->BitPosition, |
| BitRegInfo->AccessBitMask, Value); |
| |
| Status = AcpiHwRegisterWrite (BitRegInfo->ParentRegister, |
| RegisterValue); |
| } |
| else |
| { |
| /* |
| * 2) Case for PM1 Status |
| * |
| * The Status register is different from the rest. Clear an event |
| * by writing 1, writing 0 has no effect. So, the only relevant |
| * information is the single bit we're interested in, all others |
| * should be written as 0 so they will be left unchanged. |
| */ |
| RegisterValue = ACPI_REGISTER_PREPARE_BITS (Value, |
| BitRegInfo->BitPosition, BitRegInfo->AccessBitMask); |
| |
| /* No need to write the register if value is all zeros */ |
| |
| if (RegisterValue) |
| { |
| Status = AcpiHwRegisterWrite (ACPI_REGISTER_PM1_STATUS, |
| RegisterValue); |
| } |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_IO, |
| "BitReg %X, ParentReg %X, Value %8.8X, Actual %8.8X\n", |
| RegisterId, BitRegInfo->ParentRegister, Value, RegisterValue)); |
| |
| |
| UnlockAndExit: |
| |
| AcpiOsReleaseLock (AcpiGbl_HardwareLock, LockFlags); |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiWriteBitRegister) |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: AcpiGetSleepTypeData |
| * |
| * PARAMETERS: SleepState - Numeric sleep state |
| * *SleepTypeA - Where SLP_TYPa is returned |
| * *SleepTypeB - Where SLP_TYPb is returned |
| * |
| * RETURN: Status - ACPI status |
| * |
| * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep |
| * state. |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| AcpiGetSleepTypeData ( |
| UINT8 SleepState, |
| UINT8 *SleepTypeA, |
| UINT8 *SleepTypeB) |
| { |
| ACPI_STATUS Status = AE_OK; |
| ACPI_EVALUATE_INFO *Info; |
| |
| |
| ACPI_FUNCTION_TRACE (AcpiGetSleepTypeData); |
| |
| |
| /* Validate parameters */ |
| |
| if ((SleepState > ACPI_S_STATES_MAX) || |
| !SleepTypeA || |
| !SleepTypeB) |
| { |
| return_ACPI_STATUS (AE_BAD_PARAMETER); |
| } |
| |
| /* Allocate the evaluation information block */ |
| |
| Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); |
| if (!Info) |
| { |
| return_ACPI_STATUS (AE_NO_MEMORY); |
| } |
| |
| Info->Pathname = ACPI_CAST_PTR (char, AcpiGbl_SleepStateNames[SleepState]); |
| |
| /* Evaluate the namespace object containing the values for this state */ |
| |
| Status = AcpiNsEvaluate (Info); |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, |
| "%s while evaluating SleepState [%s]\n", |
| AcpiFormatException (Status), Info->Pathname)); |
| |
| goto Cleanup; |
| } |
| |
| /* Must have a return object */ |
| |
| if (!Info->ReturnObject) |
| { |
| ACPI_ERROR ((AE_INFO, "No Sleep State object returned from [%s]", |
| Info->Pathname)); |
| Status = AE_NOT_EXIST; |
| } |
| |
| /* It must be of type Package */ |
| |
| else if (Info->ReturnObject->Common.Type != ACPI_TYPE_PACKAGE) |
| { |
| ACPI_ERROR ((AE_INFO, "Sleep State return object is not a Package")); |
| Status = AE_AML_OPERAND_TYPE; |
| } |
| |
| /* |
| * The package must have at least two elements. NOTE (March 2005): This |
| * goes against the current ACPI spec which defines this object as a |
| * package with one encoded DWORD element. However, existing practice |
| * by BIOS vendors seems to be to have 2 or more elements, at least |
| * one per sleep type (A/B). |
| */ |
| else if (Info->ReturnObject->Package.Count < 2) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "Sleep State return package does not have at least two elements")); |
| Status = AE_AML_NO_OPERAND; |
| } |
| |
| /* The first two elements must both be of type Integer */ |
| |
| else if (((Info->ReturnObject->Package.Elements[0])->Common.Type |
| != ACPI_TYPE_INTEGER) || |
| ((Info->ReturnObject->Package.Elements[1])->Common.Type |
| != ACPI_TYPE_INTEGER)) |
| { |
| ACPI_ERROR ((AE_INFO, |
| "Sleep State return package elements are not both Integers " |
| "(%s, %s)", |
| AcpiUtGetObjectTypeName (Info->ReturnObject->Package.Elements[0]), |
| AcpiUtGetObjectTypeName (Info->ReturnObject->Package.Elements[1]))); |
| Status = AE_AML_OPERAND_TYPE; |
| } |
| else |
| { |
| /* Valid _Sx_ package size, type, and value */ |
| |
| *SleepTypeA = (UINT8) |
| (Info->ReturnObject->Package.Elements[0])->Integer.Value; |
| *SleepTypeB = (UINT8) |
| (Info->ReturnObject->Package.Elements[1])->Integer.Value; |
| } |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| ACPI_EXCEPTION ((AE_INFO, Status, |
| "While evaluating SleepState [%s], bad Sleep object %p type %s", |
| Info->Pathname, Info->ReturnObject, |
| AcpiUtGetObjectTypeName (Info->ReturnObject))); |
| } |
| |
| AcpiUtRemoveReference (Info->ReturnObject); |
| |
| Cleanup: |
| ACPI_FREE (Info); |
| return_ACPI_STATUS (Status); |
| } |
| |
| ACPI_EXPORT_SYMBOL (AcpiGetSleepTypeData) |