FreeBSD-specific OSD (operating system dependant) modules for the Intel

ACPICA code.
This commit is contained in:
msmith 2000-10-28 06:56:15 +00:00
parent 2e92b95197
commit 64e150eaa4
11 changed files with 1084 additions and 0 deletions

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.1 : Environmental support
*/
#include "acpi.h"
#ifdef __i386__
#include <machine/pc/bios.h>
#endif
ACPI_STATUS
AcpiOsInitialize(void)
{
#ifdef __i386__
/*
* Prevent the PnP BIOS code from interfering with our own scan of ISA devices.
*/
PnPBIOStable = NULL;
#endif
return(NULL);
}
ACPI_STATUS
AcpiOsTerminate(void)
{
return(NULL);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* OSD interfaces for the BusMgr module
*/
#include "acpi.h"
#include "bmosd.h"
#include <sys/eventhandler.h>
#include <sys/reboot.h>
struct osd_eventhandle {
eventhandler_tag tag;
OSD_IDLE_HANDLER Function;
void *Context;
};
#define NUM_IDLEHANDLERS 10
struct osd_eventhandle idlehandlers[NUM_IDLEHANDLERS] = {{0, 0}};
#define NUM_SHUTDOWNHANDLERS 20
struct osd_eventhandle shutdownhandlers[NUM_SHUTDOWNHANDLERS] = {{0, 0}};
static void
osd_idlehandler(void *arg, int junk)
{
struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
oh->Function(oh->Context);
}
static void
osd_shutdownhandler(void *arg, int howto)
{
struct osd_eventhandle *oh = (struct osd_eventhandle *)arg;
oh->Function(oh->Context);
}
ACPI_STATUS
AcpiOsInstallIdleHandler(OSD_IDLE_HANDLER Function, void *Context)
{
int i;
if (Function == NULL)
return(AE_BAD_PARAMETER);
for (i = 0; i < NUM_IDLEHANDLERS; i++) {
if (idlehandlers[i].Function == NULL) {
idlehandlers[i].Function = Function;
idlehandlers[i].Context = Context;
idlehandlers[i].tag = EVENTHANDLER_FAST_REGISTER(idle_event, osd_idlehandler,
&idlehandlers[i], IDLE_PRI_FIRST);
return(AE_OK);
}
}
return(AE_NO_MEMORY);
}
ACPI_STATUS
AcpiOsRemoveIdleHandler(OSD_IDLE_HANDLER Function)
{
int i;
if (Function == NULL)
return(AE_BAD_PARAMETER);
for (i = 0; i < NUM_IDLEHANDLERS; i++) {
if (idlehandlers[i].Function == Function) {
EVENTHANDLER_FAST_DEREGISTER(idle_event, idlehandlers[i].tag);
idlehandlers[i].Function = NULL;
return(AE_OK);
}
}
return(AE_NOT_EXIST);
}
/*
* It's not clear where exactly in the shutdown order these should be
* queued.
*/
ACPI_STATUS
AcpiOsInstallShutdownHandler(OSD_SHUTDOWN_HANDLER Function, void *Context)
{
int i;
if (Function == NULL)
return(AE_BAD_PARAMETER);
for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
if (shutdownhandlers[i].Function == NULL) {
shutdownhandlers[i].Function = Function;
shutdownhandlers[i].Context = Context;
shutdownhandlers[i].tag = EVENTHANDLER_REGISTER(shutdown_final, osd_shutdownhandler,
&shutdownhandlers[i], SHUTDOWN_PRI_LAST);
return(AE_OK);
}
}
return(AE_NO_MEMORY);
}
ACPI_STATUS
AcpiOsRemoveShutdownHandler(OSD_SHUTDOWN_HANDLER Function)
{
int i;
if (Function == NULL)
return(AE_BAD_PARAMETER);
for (i = 0; i < NUM_SHUTDOWNHANDLERS; i++) {
if (shutdownhandlers[i].Function == Function) {
EVENTHANDLER_DEREGISTER(shutdown_final, shutdownhandlers[i].tag);
shutdownhandlers[i].Function = NULL;
return(AE_OK);
}
}
return(AE_NOT_EXIST);
}
ACPI_STATUS
AcpiOsShutdown (void)
{
shutdown_nice(0);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.8 : Debugging support
*/
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/cons.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <ddb/ddb.h>
#include <ddb/db_output.h>
#include "acpi.h"
#include "acdebug.h"
#include <dev/acpica/acpivar.h>
ACPI_STATUS
AcpiOsBreakpoint(NATIVE_CHAR *Message)
{
Debugger(Message);
return(AE_OK);
}
UINT32
AcpiOsGetLine(NATIVE_CHAR *Buffer)
{
#ifdef DDB
char *cp;
db_readline(Buffer, 80);
for (cp = Buffer; *cp != 0; cp++)
if (*cp == '\n')
*cp = 0;
return(AE_OK);
#else
printf("AcpiOsGetLine called but no input support");
return(AE_NOT_EXIST);
#endif
}
void
AcpiOsDbgAssert(void *FailedAssertion, void *FileName, UINT32 LineNumber, NATIVE_CHAR *Message)
{
printf("ACPI: %s:%d - %s\n", (char *)FileName, LineNumber, Message);
printf("ACPI: assertion %s\n", (char *)FailedAssertion);
}
#ifdef ENABLE_DEBUGGER
void
acpi_EnterDebugger(void)
{
ACPI_PARSE_OBJECT obj;
static int initted = 0;
if (!initted) {
printf("Initialising ACPICA debugger...\n");
AcpiDbInitialize();
initted = 1;
}
printf("Entering ACPICA debugger...\n");
AcpiDbUserCommands('A', &obj);
}
#endif

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.1 : Environmental support
*/
#include "acpi.h"
#ifdef __i386__
#include <machine/pc/bios.h>
#endif
ACPI_STATUS
AcpiOsInitialize(void)
{
#ifdef __i386__
/*
* Prevent the PnP BIOS code from interfering with our own scan of ISA devices.
*/
PnPBIOStable = NULL;
#endif
return(NULL);
}
ACPI_STATUS
AcpiOsTerminate(void)
{
return(NULL);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.7 : Hardware Abstraction
*/
#include "acpi.h"
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/pci_cfgreg.h>
/*
* ACPICA's rather gung-ho approach to hardware resource ownership is a little
* troublesome insofar as there is no easy way for us to know in advance
* exactly which I/O resources it's going to want to use.
*
* In order to deal with this, we ignore resource ownership entirely, and simply
* use the native I/O space accessor functionality. This is Evil, but it works.
*
* XXX use an intermediate #define for the tag/handle
*/
#define ACPI_BUS_SPACE_IO I386_BUS_SPACE_IO
#define ACPI_BUS_HANDLE 0
UINT8
AcpiOsIn8(ACPI_IO_ADDRESS InPort)
{
return(bus_space_read_1(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, InPort));
}
UINT16
AcpiOsIn16(ACPI_IO_ADDRESS InPort)
{
return(bus_space_read_2(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, InPort));
}
UINT32
AcpiOsIn32(ACPI_IO_ADDRESS InPort)
{
return(bus_space_read_4(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, InPort));
}
void
AcpiOsOut8(ACPI_IO_ADDRESS OutPort, UINT8 Value)
{
bus_space_write_1(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, OutPort, Value);
}
void
AcpiOsOut16(ACPI_IO_ADDRESS OutPort, UINT16 Value)
{
bus_space_write_2(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, OutPort, Value);
}
void
AcpiOsOut32(ACPI_IO_ADDRESS OutPort, UINT32 Value)
{
bus_space_write_4(ACPI_BUS_SPACE_IO, ACPI_BUS_HANDLE, OutPort, Value);
}
ACPI_STATUS
AcpiOsReadPciCfgByte (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT8 *Value)
{
u_int32_t result;
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
result = pci_cfgregread(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, 1);
*Value = (UINT8)result;
return(AE_OK);
}
ACPI_STATUS
AcpiOsReadPciCfgWord (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT16 *Value)
{
u_int32_t result;
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
result = pci_cfgregread(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, 2);
*Value = (UINT16)result;
return(AE_OK);
}
ACPI_STATUS
AcpiOsReadPciCfgDword (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 *Value)
{
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
*Value = pci_cfgregread(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, 4);
return(AE_OK);
}
ACPI_STATUS
AcpiOsWritePciCfgByte (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT8 Value)
{
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
pci_cfgregwrite(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, (u_int32_t)Value, 1);
return(AE_OK);
}
ACPI_STATUS
AcpiOsWritePciCfgWord (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT16 Value)
{
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
pci_cfgregwrite(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, (u_int32_t)Value, 2);
return(AE_OK);
}
ACPI_STATUS
AcpiOsWritePciCfgDword (UINT32 Bus, UINT32 DeviceFunction, UINT32 Register, UINT32 Value)
{
if (!pci_cfgregopen())
return(AE_NOT_EXIST);
pci_cfgregwrite(Bus, DeviceFunction >> 16, DeviceFunction & 0xff, Register, (u_int32_t)Value, 4);
return(AE_OK);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.5 : Interrupt handling
*/
#include "acpi.h"
#include <sys/bus.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/acpica/acpivar.h>
/*
* XXX this does not correctly free resources in the case of partically successful
* attachment.
*/
ACPI_STATUS
AcpiOsInstallInterruptHandler(UINT32 InterruptNumber, OSD_HANDLER ServiceRoutine, void *Context)
{
struct acpi_softc *sc;
if ((InterruptNumber < 0) || (InterruptNumber > 255))
return(AE_BAD_PARAMETER);
if (ServiceRoutine == NULL)
return(AE_BAD_PARAMETER);
if ((sc = devclass_get_softc(acpi_devclass, 0)) == NULL)
panic("can't find ACPI device to register interrupt");
if (sc->acpi_dev == NULL)
panic("acpi softc has invalid device");
/*
* This isn't strictly true, as we ought to be able to handle > 1 interrupt. The ACPI
* spec doesn't call for this though.
*/
if (sc->acpi_irq != NULL) {
device_printf(sc->acpi_dev, "attempt to register more than one interrupt handler\n");
return(AE_EXIST);
}
sc->acpi_irq_rid = 0;
bus_set_resource(sc->acpi_dev, SYS_RES_IRQ, 0, InterruptNumber, 1);
if ((sc->acpi_irq = bus_alloc_resource(sc->acpi_dev, SYS_RES_IRQ, &sc->acpi_irq_rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE)) == NULL) {
device_printf(sc->acpi_dev, "could not allocate SCI interrupt\n");
return(AE_EXIST);
}
if (bus_setup_intr(sc->acpi_dev, sc->acpi_irq, INTR_TYPE_MISC, (driver_intr_t *)ServiceRoutine, Context,
&sc->acpi_irq_handle)) {
device_printf(sc->acpi_dev, "could not set up SCI interrupt\n");
return(AE_EXIST);
}
return(AE_OK);
}
ACPI_STATUS
AcpiOsRemoveInterruptHandler (UINT32 InterruptNumber, OSD_HANDLER ServiceRoutine)
{
struct acpi_softc *sc;
if ((InterruptNumber < 0) || (InterruptNumber > 255))
return(AE_BAD_PARAMETER);
if (ServiceRoutine == NULL)
return(AE_BAD_PARAMETER);
if ((sc = devclass_get_softc(acpi_devclass, 0)) == NULL)
panic("can't find ACPI device to deregister interrupt");
if (sc->acpi_irq == NULL)
return(AE_NOT_EXIST);
bus_teardown_intr(sc->acpi_dev, sc->acpi_irq, sc->acpi_irq_handle);
bus_release_resource(sc->acpi_dev, SYS_RES_IRQ, 0, sc->acpi_irq);
bus_delete_resource(sc->acpi_dev, SYS_RES_IRQ, 0);
sc->acpi_irq = NULL;
return(AE_OK);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.2 : Memory Management
*/
#include "acpi.h"
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <vm/vm.h>
#include <vm/pmap.h>
MALLOC_DEFINE(M_ACPICA, "acpica", "ACPI CA memory pool");
void *
AcpiOsAllocate(UINT32 Size)
{
return(malloc(Size, M_ACPICA, M_NOWAIT));
}
void *
AcpiOsCallocate (UINT32 Size)
{
void *alloc;
alloc = malloc(Size, M_ACPICA, M_NOWAIT);
if (alloc != NULL)
bzero(alloc, Size);
return(alloc);
}
void
AcpiOsFree (void *Memory)
{
free(Memory, M_ACPICA);
}
ACPI_STATUS
AcpiOsMapMemory (void *PhysicalAddress, UINT32 Length, void **LogicalAddress)
{
*LogicalAddress = pmap_mapdev((vm_offset_t)PhysicalAddress, Length);
if (*LogicalAddress == NULL)
return(AE_BAD_ADDRESS);
return(AE_OK);
}
void
AcpiOsUnmapMemory (void *LogicalAddress, UINT32 Length)
{
pmap_unmapdev((vm_offset_t)LogicalAddress, Length);
}
/*
* There is no clean way to do this. We make the charitable assumption
* that callers will not pass garbage to us.
*/
BOOLEAN
AcpiOsReadable (void *Pointer, UINT32 Length)
{
return(TRUE);
}
BOOLEAN
AcpiOsWritable (void *Pointer, UINT32 Length)
{
return(TRUE);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.3 : Scheduling services
*/
#include "acpi.h"
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/taskqueue.h>
#include <machine/clock.h>
/*
* This is a little complicated due to the fact that we need to build and then
* free a 'struct task' for each task we enqueue.
*
* We use the default taskqueue_swi queue, since it really doesn't matter what
* else we're queued along with.
*/
MALLOC_DEFINE(M_ACPITASK, "acpitask", "ACPI deferred task");
static void AcpiOsExecuteQueue(void *arg, int pending);
struct acpi_task {
struct task at_task;
OSD_EXECUTION_CALLBACK at_function;
void *at_context;
};
ACPI_STATUS
AcpiOsQueueForExecution(UINT32 Priority, OSD_EXECUTION_CALLBACK Function, void *Context)
{
struct acpi_task *at;
if (Function == NULL)
return(AE_BAD_PARAMETER);
/* XXX is it OK to block here? */
at = malloc(sizeof(*at), M_ACPITASK, M_WAITOK);
bzero(at, sizeof(*at));
at->at_function = Function;
at->at_context = Context;
at->at_task.ta_func = AcpiOsExecuteQueue;
at->at_task.ta_context = at;
switch (Priority) {
case OSD_PRIORITY_HIGH:
at->at_task.ta_priority = 3;
break;
case OSD_PRIORITY_MED:
at->at_task.ta_priority = 2;
break;
case OSD_PRIORITY_LO:
at->at_task.ta_priority = 1;
break;
default:
free(at, M_ACPITASK);
return(AE_BAD_PARAMETER);
}
taskqueue_enqueue(taskqueue_swi, (struct task *)at);
return(AE_OK);
}
static void
AcpiOsExecuteQueue(void *arg, int pending)
{
struct acpi_task *at = (struct acpi_task *)arg;
OSD_EXECUTION_CALLBACK Function;
void *Context;
Function = (OSD_EXECUTION_CALLBACK)at->at_function;
Context = at->at_context;
free(at, M_ACPITASK);
Function(Context);
}
/*
* We don't have any sleep granularity better than hz, so
* make do with that.
*/
void
AcpiOsSleep (UINT32 Seconds, UINT32 Milliseconds)
{
int timo;
timo = (Seconds * hz) + Milliseconds / (1000 * hz);
if (timo == 0)
timo = 1;
tsleep(NULL, 0, "acpislp", timo);
}
void
AcpiOsSleepUsec (UINT32 Microseconds)
{
if (Microseconds > 1000) { /* long enough to be worth the overhead of sleeping */
AcpiOsSleep(0, Microseconds / 1000);
} else {
DELAY(Microseconds);
}
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.6 : Stream I/O
*/
#include "acpi.h"
INT32
AcpiOsPrintf (const NATIVE_CHAR *Format, ...)
{
va_list ap;
int retval;
va_start(ap, Format);
retval = vprintf(Format, ap);
va_end(ap);
return(retval);
}
INT32
AcpiOsVprintf (const NATIVE_CHAR *Format, va_list Args)
{
return(vprintf(Format, Args));
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.1 : Mutual Exclusion and Synchronisation
*/
#include "acpi.h"
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
MALLOC_DEFINE(M_ACPISEM, "acpisem", "ACPI semaphore");
/*
* Simple counting semaphore implemented using a mutex. (Subsequently used
* in the OSI code to implement a mutex. Go figure.)
*/
struct acpi_semaphore {
struct mtx as_mtx;
UINT32 as_units;
UINT32 as_maxunits;
};
ACPI_STATUS
AcpiOsCreateSemaphore(UINT32 MaxUnits, UINT32 InitialUnits, ACPI_HANDLE *OutHandle)
{
struct acpi_semaphore *as;
if (OutHandle == NULL)
return(AE_BAD_PARAMETER);
if (InitialUnits > MaxUnits)
return(AE_BAD_PARAMETER);
if ((as = malloc(sizeof(*as), M_ACPISEM, M_NOWAIT)) == NULL)
return(AE_NO_MEMORY);
mtx_init(&as->as_mtx, "ACPI semaphore", MTX_DEF);
as->as_units = InitialUnits;
as->as_maxunits = MaxUnits;
*OutHandle = (ACPI_HANDLE)as;
return(AE_OK);
}
ACPI_STATUS
AcpiOsDeleteSemaphore (ACPI_HANDLE Handle)
{
free(Handle, M_ACPISEM);
return(AE_OK);
}
/*
* This implementation has a bug, in that it has to stall for the entire
* timeout before it will return AE_TIME. A better implementation would
* use getmicrotime() to correctly adjust the timeout after being woken up.
*/
ACPI_STATUS
AcpiOsWaitSemaphore(ACPI_HANDLE Handle, UINT32 Units, UINT32 Timeout)
{
struct acpi_semaphore *as = (struct acpi_semaphore *)Handle;
int result;
if (as == NULL)
return(AE_BAD_PARAMETER);
mtx_enter(&as->as_mtx, MTX_DEF);
for (;;) {
if (as->as_units >= Units) {
as->as_units -= Units;
result = AE_OK;
break;
}
if (Timeout < 0) {
result = AE_TIME;
break;
}
if (msleep(as, &as->as_mtx, 0, "acpisem", Timeout / (1000 * hz)) == EWOULDBLOCK) {
result = AE_TIME;
break;
}
}
mtx_exit(&as->as_mtx, MTX_DEF);
return(result);
}
ACPI_STATUS
AcpiOsSignalSemaphore(ACPI_HANDLE Handle, UINT32 Units)
{
struct acpi_semaphore *as = (struct acpi_semaphore *)Handle;
if (as == NULL)
return(AE_BAD_PARAMETER);
mtx_enter(&as->as_mtx, MTX_DEF);
as->as_units += Units;
if (as->as_units > as->as_maxunits)
as->as_units = as->as_maxunits;
wakeup(as);
mtx_exit(&as->as_mtx, MTX_DEF);
return(AE_OK);
}

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
/*
* 6.1 : Environmental support
*/
#include "acpi.h"
#ifdef __i386__
#include <machine/pc/bios.h>
#endif
ACPI_STATUS
AcpiOsInitialize(void)
{
#ifdef __i386__
/*
* Prevent the PnP BIOS code from interfering with our own scan of ISA devices.
*/
PnPBIOStable = NULL;
#endif
return(NULL);
}
ACPI_STATUS
AcpiOsTerminate(void)
{
return(NULL);
}