This file was moved to sys/arch/x86/x86
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/* $NetBSD: acpi_machdep.c,v 1.12 2003/05/11 00:08:15 fvdl Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Machine-dependent routines for ACPICA.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi_machdep.c,v 1.12 2003/05/11 00:08:15 fvdl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <uvm/uvm_extern.h>
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#include <machine/bus.h>
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#include <machine/cpufunc.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpivar.h>
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#include <machine/acpi_machdep.h>
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#include <machine/mpbiosvar.h>
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#include <machine/mpacpi.h>
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#include <machine/i82093var.h>
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#include <machine/pic.h>
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#include <dev/pci/pcivar.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include "ioapic.h"
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#include "opt_mpacpi.h"
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#include "opt_mpbios.h"
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static int acpi_intrcold = 1;
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struct acpi_intr_defer {
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UINT32 number;
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OSD_HANDLER function;
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void *context;
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void *ih;
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LIST_ENTRY(acpi_intr_defer) list;
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};
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LIST_HEAD(, acpi_intr_defer) acpi_intr_deferq =
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LIST_HEAD_INITIALIZER(acpi_intr_deferq);
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ACPI_STATUS
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acpi_md_OsInitialize(void)
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{
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/* Nothing to do, yet. */
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return (AE_OK);
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}
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ACPI_STATUS
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acpi_md_OsTerminate(void)
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{
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/* Nothing to do, yet. */
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return (AE_OK);
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}
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ACPI_STATUS
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acpi_md_OsGetRootPointer(UINT32 Flags, ACPI_POINTER *PhysicalAddress)
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{
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return (AcpiFindRootPointer(Flags, PhysicalAddress));
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}
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ACPI_STATUS
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acpi_md_OsInstallInterruptHandler(UINT32 InterruptNumber,
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OSD_HANDLER ServiceRoutine, void *Context, void **cookiep)
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{
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void *ih;
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struct pic *pic;
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int irq, pin, trigger;
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struct acpi_intr_defer *aip;
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#ifdef MPACPI
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int i, h;
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struct mp_intr_map *mip;
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#endif
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#if NIOAPIC > 0
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struct ioapic_softc *sc;
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#endif
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if (acpi_intrcold) {
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aip = malloc(sizeof(struct acpi_intr_defer), M_TEMP, M_WAITOK);
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aip->number = InterruptNumber;
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aip->function = ServiceRoutine;
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aip->context = Context;
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aip->ih = NULL;
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LIST_INSERT_HEAD(&acpi_intr_deferq, aip, list);
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*cookiep = (void *)aip;
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return AE_OK;
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}
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trigger = IST_LEVEL;
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#ifdef MPACPI
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/*
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* Can only match on ACPI global interrupt numbers if the ACPI
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* interrupt info was extracted, which is in the MPACPI case.
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*/
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if (mp_busses == NULL)
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goto nomap;
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for (i = 0; i < mp_nbus; i++) {
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for (mip = mp_busses[i].mb_intrs; mip != NULL;
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mip = mip->next) {
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if (mip->global_int == (int)InterruptNumber) {
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h = mip->ioapic_ih;
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if (APIC_IRQ_ISLEGACY(h)) {
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irq = APIC_IRQ_LEGACY_IRQ(h);
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pin = irq;
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pic = &i8259_pic;
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trigger = IST_EDGE;
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} else {
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sc = ioapic_find(APIC_IRQ_APIC(h));
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if (sc == NULL)
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goto nomap;
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pic = (struct pic *)sc;
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pin = APIC_IRQ_PIN(h);
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irq = -1;
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trigger =
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((mip->flags >> 2) & 3) ==
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MPS_INTTR_EDGE ?
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IST_EDGE : IST_LEVEL;
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}
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goto found;
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}
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}
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}
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nomap:
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#endif
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#if NIOAPIC > 0
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pin = (int)InterruptNumber;
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for (sc = ioapics ; sc != NULL && pin > sc->sc_apic_sz;
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sc = sc->sc_next)
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pin -= sc->sc_apic_sz;
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if (sc != NULL) {
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if (nioapics > 1)
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printf("acpi: WARNING: no matching "
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"I/O apic for SCI, assuming %s\n",
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sc->sc_pic.pic_dev.dv_xname);
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pic = (struct pic *)sc;
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irq = -1;
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} else
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#endif
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{
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pic = &i8259_pic;
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irq = pin = (int)InterruptNumber;
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}
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#ifdef MPACPI
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found:
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#endif
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/*
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* XXX probably, IPL_BIO is enough.
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*/
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ih = intr_establish(irq, pic, pin, trigger, IPL_VM,
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(int (*)(void *)) ServiceRoutine, Context);
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if (ih == NULL)
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return (AE_NO_MEMORY);
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*cookiep = ih;
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return (AE_OK);
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}
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void
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acpi_md_OsRemoveInterruptHandler(void *cookie)
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{
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struct acpi_intr_defer *aip;
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LIST_FOREACH(aip, &acpi_intr_deferq, list) {
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if (aip == cookie) {
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if (aip->ih != NULL)
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intr_disestablish(aip->ih);
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return;
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}
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}
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intr_disestablish(cookie);
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}
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ACPI_STATUS
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acpi_md_OsMapMemory(ACPI_PHYSICAL_ADDRESS PhysicalAddress,
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UINT32 Length, void **LogicalAddress)
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{
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if (_x86_memio_map(X86_BUS_SPACE_MEM, PhysicalAddress, Length,
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0, (bus_space_handle_t *) LogicalAddress) == 0)
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return (AE_OK);
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return (AE_NO_MEMORY);
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}
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void
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acpi_md_OsUnmapMemory(void *LogicalAddress, UINT32 Length)
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{
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(void) _x86_memio_unmap(X86_BUS_SPACE_MEM,
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(bus_space_handle_t) LogicalAddress, Length, NULL);
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}
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ACPI_STATUS
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acpi_md_OsGetPhysicalAddress(void *LogicalAddress,
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ACPI_PHYSICAL_ADDRESS *PhysicalAddress)
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{
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paddr_t pa;
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if (pmap_extract(pmap_kernel(), (vaddr_t) LogicalAddress, &pa)) {
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*PhysicalAddress = pa;
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return (AE_OK);
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}
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return (AE_ERROR);
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}
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BOOLEAN
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acpi_md_OsReadable(void *Pointer, UINT32 Length)
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{
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BOOLEAN rv = TRUE;
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vaddr_t sva, eva;
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pt_entry_t *pte;
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sva = trunc_page((vaddr_t) Pointer);
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eva = round_page((vaddr_t) Pointer + Length);
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if (sva < VM_MIN_KERNEL_ADDRESS)
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return (FALSE);
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for (; sva < eva; sva += PAGE_SIZE) {
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pte = kvtopte(sva);
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if ((*pte & PG_V) == 0) {
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rv = FALSE;
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break;
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}
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}
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return (rv);
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}
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BOOLEAN
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acpi_md_OsWritable(void *Pointer, UINT32 Length)
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{
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BOOLEAN rv = FALSE;
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vaddr_t sva, eva;
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pt_entry_t *pte;
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sva = trunc_page((vaddr_t) Pointer);
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eva = round_page((vaddr_t) Pointer + Length);
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if (sva < VM_MIN_KERNEL_ADDRESS)
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return (FALSE);
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for (; sva < eva; sva += PAGE_SIZE) {
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pte = kvtopte(sva);
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if ((*pte & (PG_V|PG_W)) != (PG_V|PG_W)) {
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rv = FALSE;
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break;
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}
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}
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return (rv);
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}
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void
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acpi_md_OsDisableInterrupt(void)
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{
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disable_intr();
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}
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void
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acpi_md_callback(struct device *acpi)
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{
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struct acpi_intr_defer *aip;
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#ifdef MPACPI
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#ifdef MPBIOS
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if (!mpbios_scanned)
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#endif
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mpacpi_find_interrupts(acpi);
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#endif
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acpi_intrcold = 0;
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/* Proces deferred interrupt handler establish calls. */
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LIST_FOREACH(aip, &acpi_intr_deferq, list) {
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acpi_md_OsInstallInterruptHandler(aip->number, aip->function,
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aip->context, &aip->ih);
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}
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}
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