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minix3/drivers/power/acpi/osminixxf.c

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/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2008, 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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include "acpi.h"
#include "accommon.h"
#include "amlcode.h"
#include "acparser.h"
#include "acdebug.h"
#include <minix/driver.h>
#include <machine/pci_intel.h>
extern struct machine machine;
static u32_t pci_inb(u16_t port) {
u32_t value;
int s;
if ((s=sys_inb(port, &value)) !=OK)
printf("ACPI: warning, sys_inb failed: %d\n", s);
return value;
}
static u32_t pci_inw(u16_t port) {
u32_t value;
int s;
if ((s=sys_inw(port, &value)) !=OK)
printf("ACPI: warning, sys_inw failed: %d\n", s);
return value;
}
static u32_t pci_inl(u16_t port) {
u32_t value;
int s;
if ((s=sys_inl(port, &value)) !=OK)
printf("ACPI: warning, sys_inl failed: %d\n", s);
return value;
}
static void pci_outb(u16_t port, u8_t value) {
int s;
if ((s=sys_outb(port, value)) !=OK)
printf("ACPI: warning, sys_outb failed: %d\n", s);
}
static void pci_outw(u16_t port, u16_t value) {
int s;
if ((s=sys_outw(port, value)) !=OK)
printf("ACPI: warning, sys_outw failed: %d\n", s);
}
static void pci_outl(u16_t port, u32_t value) {
int s;
if ((s=sys_outl(port, value)) !=OK)
printf("ACPI: warning, sys_outl failed: %d\n", s);
}
/******************************************************************************
*
* FUNCTION: AcpiOsInitialize, AcpiOsTerminate
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Init and terminate. Nothing to do.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsInitialize (void)
{
return AE_OK;
}
ACPI_STATUS
AcpiOsTerminate (void)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsPredefinedOverride
*
* PARAMETERS: InitVal - Initial value of the predefined object
* NewVal - The new value for the object
*
* RETURN: Status, pointer to value. Null pointer returned if not
* overriding.
*
* DESCRIPTION: Allow the OS to override predefined names
*
*****************************************************************************/
ACPI_STATUS
AcpiOsPredefinedOverride (
const ACPI_PREDEFINED_NAMES *InitVal,
ACPI_STRING *NewVal)
{
*NewVal = NULL;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsTableOverride
*
* PARAMETERS: ExistingTable - Header of current table (probably firmware)
* NewTable - Where an entire new table is returned.
*
* RETURN: Status, pointer to new table. Null pointer returned if no
* table is available to override
*
* DESCRIPTION: Return a different version of a table if one is available
*
*****************************************************************************/
ACPI_STATUS
AcpiOsTableOverride (
ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable)
{
*NewTable = NULL;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadable
*
* PARAMETERS: Pointer - Area to be verified
* Length - Size of area
*
* RETURN: TRUE if readable for entire length
*
* DESCRIPTION: Verify that a pointer is valid for reading
*
*****************************************************************************/
BOOLEAN
AcpiOsReadable (
void *Pointer,
ACPI_SIZE Length)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return (TRUE);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritable
*
* PARAMETERS: Pointer - Area to be verified
* Length - Size of area
*
* RETURN: TRUE if writable for entire length
*
* DESCRIPTION: Verify that a pointer is valid for writing
*
*****************************************************************************/
BOOLEAN
AcpiOsWritable (
void *Pointer,
ACPI_SIZE Length)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return (TRUE);
}
/******************************************************************************
*
* FUNCTION: AcpiOsRedirectOutput
*
* PARAMETERS: Destination - An open file handle/pointer
*
* RETURN: None
*
* DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
*
*****************************************************************************/
void
AcpiOsRedirectOutput (
void *Destination)
{
panic("NOTIMPLEMENTED %s\n", __func__);
}
/******************************************************************************
*
* FUNCTION: AcpiOsPrintf
*
* PARAMETERS: fmt, ... Standard printf format
*
* RETURN: None
*
* DESCRIPTION: Formatted output
*
*****************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf (
const char *Fmt,
...)
{
va_list Args;
va_start (Args, Fmt);
#ifdef ACPI_BF_DEBUG
AcpiOsVprintf (Fmt, Args);
#endif
va_end (Args);
return;
}
/******************************************************************************
*
* FUNCTION: AcpiOsVprintf
*
* PARAMETERS: fmt Standard printf format
* args Argument list
*
* RETURN: None
*
* DESCRIPTION: Formatted output with argument list pointer
*
*****************************************************************************/
void
AcpiOsVprintf (
const char *Fmt,
va_list Args)
{
vprintf (Fmt, Args);
printf("\n");
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetLine
*
* PARAMETERS: fmt Standard printf format
* args Argument list
*
* RETURN: Actual bytes read
*
* DESCRIPTION: Formatted input with argument list pointer
*
*****************************************************************************/
UINT32
AcpiOsGetLine (
char *Buffer)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return 0;
}
/******************************************************************************
*
* FUNCTION: AcpiOsMapMemory
*
* PARAMETERS: where Physical address of memory to be mapped
* length How much memory to map
*
* RETURN: Pointer to mapped memory. Null on error.
*
* DESCRIPTION: Map physical memory into caller's address space
*
*****************************************************************************/
void *
AcpiOsMapMemory (
ACPI_PHYSICAL_ADDRESS where, /* not page aligned */
ACPI_SIZE length) /* in bytes, not page-aligned */
{
ACPI_PHYSICAL_ADDRESS addr;
void * vir;
unsigned sdiff;
addr = where & ~0xfff; /* align to 4k */
sdiff = where - addr;
vir = vm_map_phys(SELF, (void *) addr, length + sdiff);
return (void *) ((char *)vir + sdiff);
}
/******************************************************************************
*
* FUNCTION: AcpiOsUnmapMemory
*
* PARAMETERS: where Logical address of memory to be unmapped
* length How much memory to unmap
*
* RETURN: None.
*
* DESCRIPTION: Delete a previously created mapping. Where and Length must
* correspond to a previous mapping exactly.
*
*****************************************************************************/
void
AcpiOsUnmapMemory (
void *where,
ACPI_SIZE length)
{
}
/******************************************************************************
*
* FUNCTION: AcpiOsAllocate
*
* PARAMETERS: Size Amount to allocate, in bytes
*
* RETURN: Pointer to the new allocation. Null on error.
*
* DESCRIPTION: Allocate memory. Algorithm is dependent on the OS.
*
*****************************************************************************/
void *
AcpiOsAllocate (
ACPI_SIZE size)
{
void *Mem;
Mem = (void *) malloc ((size_t) size);
if (Mem == NULL)
printf("AcpiOsAllocate out of memory\n");
return Mem;
}
/******************************************************************************
*
* FUNCTION: AcpiOsFree
*
* PARAMETERS: mem Pointer to previously allocated memory
*
* RETURN: None.
*
* DESCRIPTION: Free memory allocated via AcpiOsAllocate
*
*****************************************************************************/
void
AcpiOsFree (
void *mem)
{
free(mem);
}
/******************************************************************************
*
* FUNCTION: AcpiOsCreateSemaphore
*
* PARAMETERS: InitialUnits - Units to be assigned to the new semaphore
* OutHandle - Where a handle will be returned
*
* RETURN: Status
*
* DESCRIPTION: Create an OS semaphore
*
*****************************************************************************/
ACPI_STATUS
AcpiOsCreateSemaphore (
UINT32 MaxUnits,
UINT32 InitialUnits,
ACPI_HANDLE *OutHandle)
{
*OutHandle = NULL;
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsDeleteSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
*
* RETURN: Status
*
* DESCRIPTION: Delete an OS semaphore
*
*****************************************************************************/
ACPI_STATUS
AcpiOsDeleteSemaphore (
ACPI_HANDLE Handle)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsWaitSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
* Units - How many units to wait for
* Timeout - How long to wait
*
* RETURN: Status
*
* DESCRIPTION: Wait for units
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWaitSemaphore (
ACPI_HANDLE Handle,
UINT32 Units,
UINT16 Timeout)
{
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsSignalSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
* Units - Number of units to send
*
* RETURN: Status
*
* DESCRIPTION: Send units
*
*****************************************************************************/
ACPI_STATUS
AcpiOsSignalSemaphore (
ACPI_HANDLE Handle,
UINT32 Units)
{
return AE_OK;
}
ACPI_STATUS
AcpiOsCreateLock (
ACPI_SPINLOCK *OutHandle)
{
*OutHandle = NULL;
return AE_OK;
}
void
AcpiOsDeleteLock (
ACPI_SPINLOCK Handle)
{
}
ACPI_CPU_FLAGS
AcpiOsAcquireLock (
ACPI_HANDLE Handle)
{
return (0);
}
void
AcpiOsReleaseLock (
ACPI_SPINLOCK Handle,
ACPI_CPU_FLAGS Flags)
{
}
/******************************************************************************
*
* FUNCTION: AcpiOsInstallInterruptHandler
*
* PARAMETERS: InterruptNumber Level handler should respond to.
* Isr Address of the ACPI interrupt handler
* ExceptPtr Where status is returned
*
* RETURN: Handle to the newly installed handler.
*
* DESCRIPTION: Install an interrupt handler. Used to install the ACPI
* OS-independent handler.
*
*****************************************************************************/
UINT32
AcpiOsInstallInterruptHandler (
UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine,
void *Context)
{
printf("AcpiOsInstallInterruptHandler NOT SUPPORTED\n");
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsRemoveInterruptHandler
*
* PARAMETERS: Handle Returned when handler was installed
*
* RETURN: Status
*
* DESCRIPTION: Uninstalls an interrupt handler.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsRemoveInterruptHandler (
UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine)
{
printf("AcpiOsRemoveInterruptHandler NOT SUPPORTED\n");
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsExecute
*
* PARAMETERS: Type - Type of execution
* Function - Address of the function to execute
* Context - Passed as a parameter to the function
*
* RETURN: Status.
*
* DESCRIPTION: Execute a new thread
*
*****************************************************************************/
ACPI_STATUS
AcpiOsExecute (
ACPI_EXECUTE_TYPE Type,
ACPI_OSD_EXEC_CALLBACK Function,
void *Context)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsBreakpoint
*
* PARAMETERS: Msg Message to print
*
* RETURN: Status
*
* DESCRIPTION: Print a message and break to the debugger.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsBreakpoint (
char *Msg)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsStall
*
* PARAMETERS: microseconds To sleep
*
* RETURN: Blocks until sleep is completed.
*
* DESCRIPTION: Sleep at microsecond granularity
*
*****************************************************************************/
void
AcpiOsStall (
UINT32 microseconds)
{
if (microseconds > 0)
usleep (microseconds);
return;
}
/******************************************************************************
*
* FUNCTION: AcpiOsSleep
*
* PARAMETERS: milliseconds To sleep
*
* RETURN: Blocks until sleep is completed.
*
* DESCRIPTION: Sleep at millisecond granularity
*
*****************************************************************************/
void
AcpiOsSleep (
ACPI_INTEGER milliseconds)
{
if ((milliseconds / 1000) > 0)
sleep (milliseconds / 1000);
if ((milliseconds % 1000) > 0)
usleep ((milliseconds % 1000) * 1000);
return;
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetTimer
*
* PARAMETERS: None
*
* RETURN: Current time in 100 nanosecond units
*
* DESCRIPTION: Get the current system time
*
*****************************************************************************/
UINT64
AcpiOsGetTimer (void)
{
struct timeval time;
gettimeofday (&time, NULL);
return (((UINT64) time.tv_sec * 10000000) +
((UINT64) time.tv_usec * 10));
}
/******************************************************************************
*
* FUNCTION: AcpiOsValidateInterface
*
* PARAMETERS: Interface - Requested interface to be validated
*
* RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise
*
* DESCRIPTION: Match an interface string to the interfaces supported by the
* host. Strings originate from an AML call to the _OSI method.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsValidateInterface (
char *Interface)
{
return (AE_SUPPORT);
}
/* TEMPORARY STUB FUNCTION */
void
AcpiOsDerivePciId(
ACPI_HANDLE rhandle,
ACPI_HANDLE chandle,
ACPI_PCI_ID **PciId)
{
/* we do nothing here, we keep the PciId unchanged */
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadPort
*
* PARAMETERS: Address Address of I/O port/register to read
* Value Where value is placed
* Width Number of bits
*
* RETURN: Value read from port
*
* DESCRIPTION: Read data from an I/O port or register
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadPort (
ACPI_IO_ADDRESS Address,
UINT32 *Value,
UINT32 Width)
{
*Value = 0;
switch (Width) {
case 8:
sys_inb(Address, Value);
break;
case 16:
sys_inw(Address, Value);
break;
case 32:
sys_inl(Address, Value);
break;
}
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritePort
*
* PARAMETERS: Address Address of I/O port/register to write
* Value Value to write
* Width Number of bits
*
* RETURN: None
*
* DESCRIPTION: Write data to an I/O port or register
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWritePort (
ACPI_IO_ADDRESS Address,
UINT32 Value,
UINT32 Width)
{
switch (Width) {
case 8:
sys_outb(Address, Value);
break;
case 16:
sys_outw(Address, Value);
break;
case 32:
sys_outl(Address, Value);
break;
}
return AE_OK;
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadMemory
*
* PARAMETERS: Address Physical Memory Address to read
* Value Where value is placed
* Width Number of bits
*
* RETURN: Value read from physical memory address
*
* DESCRIPTION: Read data from a physical memory address
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadMemory (
ACPI_PHYSICAL_ADDRESS Address,
UINT32 *Value,
UINT32 Width)
{
/* FIXME this operation is ignored */
*Value = 0;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWriteMemory
*
* PARAMETERS: Address Physical Memory Address to write
* Value Value to write
* Width Number of bits
*
* RETURN: None
*
* DESCRIPTION: Write data to a physical memory address
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWriteMemory (
ACPI_PHYSICAL_ADDRESS Address,
UINT32 Value,
UINT32 Width)
{
/* FIXME this operation is ignored */
return (AE_OK);
}
ACPI_THREAD_ID
AcpiOsGetThreadId(void)
{
return (ACPI_THREAD_ID) 1;
}
/******************************************************************************
*
* FUNCTION: AcpiOsSignal
*
* PARAMETERS: Function ACPI CA signal function code
* Info Pointer to function-dependent structure
*
* RETURN: Status
*
* DESCRIPTION: Miscellaneous functions
*
*****************************************************************************/
ACPI_STATUS
AcpiOsSignal (
UINT32 Function,
void *Info)
{
panic("NOTIMPLEMENTED %s\n", __func__);
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetRootPointer
*
* PARAMETERS: None
*
* RETURN: RSDP physical address
*
* DESCRIPTION: Gets the root pointer (RSDP)
*
*****************************************************************************/
ACPI_PHYSICAL_ADDRESS AcpiOsGetRootPointer (
void)
{
return machine.acpi_rsdp;
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadPciConfiguration
*
* PARAMETERS: PciId Seg/Bus/Dev
* Register Device Register
* Value Buffer where value is placed
* Width Number of bits
*
* RETURN: Status
*
* DESCRIPTION: Read data from PCI configuration space
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadPciConfiguration (
ACPI_PCI_ID *PciId,
UINT32 Register,
void *Value,
UINT32 Width)
{
int err;
switch (Width) {
case 8:
*(u8_t *)Value = PCII_RREG8_(PciId->Bus, PciId->Device,
PciId->Function, Register);
break;
case 16:
*(u16_t *)Value = PCII_RREG16_(PciId->Bus, PciId->Device,
PciId->Function, Register);
break;
case 32:
*(u32_t *)Value = PCII_RREG32_(PciId->Bus, PciId->Device,
PciId->Function, Register);
break;
default:
panic("NOT IMPLEMENTED\n");
}
if (OK != (err = sys_outl(PCII_CONFADD, PCII_UNSEL)))
printf("ACPI: warning, sys_outl failed: %d\n", err);
return AE_OK;
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritePciConfiguration
*
* PARAMETERS: PciId Seg/Bus/Dev
* Register Device Register
* Value Value to be written
* Width Number of bits
*
* RETURN: Status.
*
* DESCRIPTION: Write data to PCI configuration space
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWritePciConfiguration (
ACPI_PCI_ID *PciId,
UINT32 Register,
ACPI_INTEGER Value,
UINT32 Width)
{
int err;
switch (Width) {
case 8:
PCII_WREG8_(PciId->Bus, PciId->Device,
PciId->Function, Register, Value);
break;
case 16:
PCII_WREG16_(PciId->Bus, PciId->Device,
PciId->Function, Register, Value);
break;
case 32:
PCII_WREG32_(PciId->Bus, PciId->Device,
PciId->Function, Register, Value);
break;
default:
panic("NOT IMPLEMENTED\n");
}
if (OK != (err = sys_outl(PCII_CONFADD, PCII_UNSEL)))
printf("ACPI: warning, sys_outl failed: %d\n", err);
return AE_OK;
}