c0b6986667
which gives problems with PCI bus finding; the object hierarchy doesn't match the real world for some systems, most notably SuperMicro boards. Linux has this one blacklisted as well.
1302 lines
30 KiB
C
1302 lines
30 KiB
C
/* $NetBSD: acpi.c,v 1.36 2003/05/15 21:29:49 fvdl Exp $ */
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/*
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* Copyright 2001, 2003 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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* Autoconfiguration support for the Intel ACPI Component Architecture
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* ACPI reference implementation.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: acpi.c,v 1.36 2003/05/15 21:29:49 fvdl Exp $");
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#include "opt_acpi.h"
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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 <sys/kernel.h>
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#include <sys/proc.h>
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#include <dev/acpi/acpica.h>
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#include <dev/acpi/acpireg.h>
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#include <dev/acpi/acpivar.h>
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#include <dev/acpi/acpi_osd.h>
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#ifdef ACPIVERBOSE
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#include <dev/acpi/acpidevs_data.h>
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#endif
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#ifndef ACPI_ACTIVATE_DEV
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#define ACPI_ACTIVATE_DEV 0
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#endif
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#ifdef ACPI_PCI_FIXUP
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#include <dev/acpi/acpica/Subsystem/acnamesp.h> /* AcpiNsGetNodeByPath() */
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#include <dev/pci/pcidevs.h>
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#endif
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MALLOC_DECLARE(M_ACPI);
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#include <machine/acpi_machdep.h>
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#ifdef ENABLE_DEBUGGER
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#define ACPI_DBGR_INIT 0x01
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#define ACPI_DBGR_TABLES 0x02
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#define ACPI_DBGR_ENABLE 0x04
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#define ACPI_DBGR_PROBE 0x08
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#define ACPI_DBGR_RUNNING 0x10
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int acpi_dbgr = 0x00;
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#endif
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int acpi_match(struct device *, struct cfdata *, void *);
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void acpi_attach(struct device *, struct device *, void *);
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int acpi_print(void *aux, const char *);
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extern struct cfdriver acpi_cd;
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CFATTACH_DECL(acpi, sizeof(struct acpi_softc),
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acpi_match, acpi_attach, NULL, NULL);
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/*
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* This is a flag we set when the ACPI subsystem is active. Machine
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* dependent code may wish to skip other steps (such as attaching
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* subsystems that ACPI supercedes) when ACPI is active.
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*/
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int acpi_active;
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/*
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* Pointer to the ACPI subsystem's state. There can be only
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* one ACPI instance.
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*/
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struct acpi_softc *acpi_softc;
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/*
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* Locking stuff.
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*/
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static struct simplelock acpi_slock;
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static int acpi_locked;
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/*
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* Prototypes.
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*/
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void acpi_shutdown(void *);
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ACPI_STATUS acpi_disable(struct acpi_softc *sc);
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void acpi_build_tree(struct acpi_softc *);
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ACPI_STATUS acpi_make_devnode(ACPI_HANDLE, UINT32, void *, void **);
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void acpi_enable_fixed_events(struct acpi_softc *);
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#ifdef ACPI_PCI_FIXUP
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void acpi_pci_fixup(struct acpi_softc *);
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#endif
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#if defined(ACPI_PCI_FIXUP) || ACPI_ACTIVATE_DEV
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ACPI_STATUS acpi_allocate_resources(ACPI_HANDLE handle);
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#endif
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/*
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* acpi_probe:
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*
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* Probe for ACPI support. This is called by the
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* machine-dependent ACPI front-end. All of the
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* actual work is done by ACPICA.
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*
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* NOTE: This is not an autoconfiguration interface function.
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*/
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int
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acpi_probe(void)
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{
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static int beenhere;
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ACPI_STATUS rv;
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if (beenhere != 0)
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panic("acpi_probe: ACPI has already been probed");
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beenhere = 1;
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simple_lock_init(&acpi_slock);
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acpi_locked = 0;
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/*
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* Start up ACPICA.
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*/
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#ifdef ENABLE_DEBUGGER
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if (acpi_dbgr & ACPI_DBGR_INIT)
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acpi_osd_debugger();
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#endif
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rv = AcpiInitializeSubsystem();
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if (rv != AE_OK) {
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printf("ACPI: unable to initialize ACPICA: %d\n", rv);
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return (0);
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}
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#ifdef ENABLE_DEBUGGER
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if (acpi_dbgr & ACPI_DBGR_TABLES)
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acpi_osd_debugger();
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#endif
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rv = AcpiLoadTables();
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if (rv != AE_OK) {
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printf("ACPI: unable to load tables: %d\n", rv);
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return (0);
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}
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/*
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* Looks like we have ACPI!
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*/
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return (1);
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}
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/*
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* acpi_match:
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*
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* Autoconfiguration `match' routine.
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*/
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int
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acpi_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct acpibus_attach_args *aa = aux;
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if (strcmp(aa->aa_busname, acpi_cd.cd_name) != 0)
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return (0);
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/*
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* XXX Check other locators? Hard to know -- machine
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* dependent code has already checked for the presence
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* of ACPI by calling acpi_probe(), so I suppose we
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* don't really have to do anything else.
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*/
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return (1);
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}
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/*
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* acpi_attach:
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*
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* Autoconfiguration `attach' routine. Finish initializing
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* ACPICA (some initialization was done in acpi_probe(),
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* which was required to check for the presence of ACPI),
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* and enable the ACPI subsystem.
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*/
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void
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acpi_attach(struct device *parent, struct device *self, void *aux)
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{
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struct acpi_softc *sc = (void *) self;
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struct acpibus_attach_args *aa = aux;
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ACPI_TABLE_HEADER *ap = &AcpiGbl_XSDT->Header;
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ACPI_STATUS rv;
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printf("\n");
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if (acpi_softc != NULL)
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panic("acpi_attach: ACPI has already been attached");
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sysmon_power_settype("acpi");
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printf("%s: X/RSDT: OemId <%6.6s,%8.8s,%08x>, AslId <%4.4s,%08x>\n",
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sc->sc_dev.dv_xname,
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ap->OemId, ap->OemTableId, ap->OemRevision,
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ap->AslCompilerId, ap->AslCompilerRevision);
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sc->sc_quirks = acpi_find_quirks();
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sc->sc_iot = aa->aa_iot;
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sc->sc_memt = aa->aa_memt;
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sc->sc_pc = aa->aa_pc;
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sc->sc_pciflags = aa->aa_pciflags;
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sc->sc_ic = aa->aa_ic;
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acpi_softc = sc;
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/*
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* Install the default address space handlers.
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*/
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rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
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ACPI_ADR_SPACE_SYSTEM_MEMORY, ACPI_DEFAULT_HANDLER, NULL, NULL);
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if (rv != AE_OK) {
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printf("%s: unable to install SYSTEM MEMORY handler: %d\n",
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sc->sc_dev.dv_xname, rv);
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return;
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}
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rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
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ACPI_ADR_SPACE_SYSTEM_IO, ACPI_DEFAULT_HANDLER, NULL, NULL);
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if (rv != AE_OK) {
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printf("%s: unable to install SYSTEM IO handler: %d\n",
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sc->sc_dev.dv_xname, rv);
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return;
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}
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rv = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT,
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ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL);
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if (rv != AE_OK) {
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printf("%s: unable to install PCI CONFIG handler: %d\n",
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sc->sc_dev.dv_xname, rv);
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return;
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}
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/*
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* Bring ACPI on-line.
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*
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* Note that we request that _STA (device init) and _INI (object init)
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* methods not be run.
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*
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* XXX We need to arrange for the object init pass after we have
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* XXX attached all of our children.
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*/
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#ifdef ENABLE_DEBUGGER
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if (acpi_dbgr & ACPI_DBGR_ENABLE)
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acpi_osd_debugger();
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#endif
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rv = AcpiEnableSubsystem(ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT);
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if (rv != AE_OK) {
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printf("%s: unable to enable ACPI: %d\n",
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sc->sc_dev.dv_xname, rv);
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return;
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}
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acpi_active = 1;
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/* Our current state is "awake". */
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sc->sc_sleepstate = ACPI_STATE_S0;
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/* Show SCI interrupt. */
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if (AcpiGbl_FADT != NULL)
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printf("%s: SCI interrupting at int %d\n",
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sc->sc_dev.dv_xname, AcpiGbl_FADT->SciInt);
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/*
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* Check for fixed-hardware features.
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*/
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acpi_enable_fixed_events(sc);
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/*
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* Fix up PCI devices.
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*/
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#ifdef ACPI_PCI_FIXUP
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if ((sc->sc_quirks & (ACPI_QUIRK_BADPCI | ACPI_QUIRK_BADIRQ)) == 0)
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acpi_pci_fixup(sc);
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#endif
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/*
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* Scan the namespace and build our device tree.
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*/
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#ifdef ENABLE_DEBUGGER
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if (acpi_dbgr & ACPI_DBGR_PROBE)
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acpi_osd_debugger();
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#endif
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acpi_md_callback((struct device *)sc);
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acpi_build_tree(sc);
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/*
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* Register a shutdown hook that disables certain ACPI
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* events that might happen and confuse us while we're
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* trying to shut down.
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*/
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sc->sc_sdhook = shutdownhook_establish(acpi_shutdown, sc);
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if (sc->sc_sdhook == NULL)
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printf("%s: WARNING: unable to register shutdown hook\n",
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sc->sc_dev.dv_xname);
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#ifdef ENABLE_DEBUGGER
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if (acpi_dbgr & ACPI_DBGR_RUNNING)
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acpi_osd_debugger();
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#endif
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}
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/*
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* acpi_shutdown:
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*
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* Shutdown hook for ACPI -- disable some events that
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* might confuse us.
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*/
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void
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acpi_shutdown(void *arg)
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{
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struct acpi_softc *sc = arg;
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if (acpi_disable(sc) != AE_OK)
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printf("%s: WARNING: unable to disable ACPI\n",
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sc->sc_dev.dv_xname);
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}
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/*
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* acpi_disable:
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*
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* Disable ACPI.
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*/
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ACPI_STATUS
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acpi_disable(struct acpi_softc *sc)
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{
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ACPI_STATUS rv = AE_OK;
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if (acpi_active) {
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rv = AcpiDisable();
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if (rv == AE_OK)
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acpi_active = 0;
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}
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return (rv);
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}
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struct acpi_make_devnode_state {
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struct acpi_softc *softc;
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struct acpi_scope *scope;
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};
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/*
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* acpi_build_tree:
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*
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* Scan relevant portions of the ACPI namespace and attach
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* child devices.
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*/
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void
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acpi_build_tree(struct acpi_softc *sc)
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{
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static const char *scopes[] = {
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"\\_PR_", /* ACPI 1.0 processor namespace */
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"\\_SB_", /* system bus namespace */
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"\\_SI_", /* system idicator namespace */
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"\\_TZ_", /* ACPI 1.0 thermal zone namespace */
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NULL,
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};
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struct acpi_attach_args aa;
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struct acpi_make_devnode_state state;
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struct acpi_scope *as;
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struct acpi_devnode *ad;
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ACPI_HANDLE parent;
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int i;
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TAILQ_INIT(&sc->sc_scopes);
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state.softc = sc;
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/*
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* Scan the namespace and build our tree.
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*/
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for (i = 0; scopes[i] != NULL; i++) {
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as = malloc(sizeof(*as), M_ACPI, M_WAITOK);
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as->as_name = scopes[i];
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TAILQ_INIT(&as->as_devnodes);
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TAILQ_INSERT_TAIL(&sc->sc_scopes, as, as_list);
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state.scope = as;
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if (AcpiGetHandle(ACPI_ROOT_OBJECT, (char *) scopes[i],
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&parent) == AE_OK) {
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AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100,
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acpi_make_devnode, &state, NULL);
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}
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/* Now, for this namespace, try and attach the devices. */
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TAILQ_FOREACH(ad, &as->as_devnodes, ad_list) {
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aa.aa_node = ad;
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aa.aa_iot = sc->sc_iot;
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aa.aa_memt = sc->sc_memt;
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aa.aa_pc = sc->sc_pc;
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aa.aa_pciflags = sc->sc_pciflags;
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aa.aa_ic = sc->sc_ic;
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if (ad->ad_devinfo.Type == ACPI_TYPE_DEVICE) {
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/*
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* XXX We only attach devices which are:
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*
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* - present
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* - enabled
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* - functioning properly
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*
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* However, if enabled, it's decoding resources,
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* so we should claim them, if possible.
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* Requires changes to bus_space(9).
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*/
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if ((ad->ad_devinfo.CurrentStatus &
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(ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED|
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ACPI_STA_DEV_OK)) !=
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(ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED|
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ACPI_STA_DEV_OK))
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continue;
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/*
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* XXX Same problem as above...
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*/
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if ((ad->ad_devinfo.Valid & ACPI_VALID_HID)
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== 0)
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continue;
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}
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ad->ad_device = config_found(&sc->sc_dev,
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&aa, acpi_print);
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}
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}
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}
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|
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#if ACPI_ACTIVATE_DEV
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static void
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acpi_activate_device(ACPI_HANDLE handle, ACPI_DEVICE_INFO *di)
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{
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ACPI_STATUS rv;
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#ifdef ACPI_DEBUG
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printf("acpi_activate_device: %s, old status=%x\n",
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di->HardwareId, di->CurrentStatus);
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#endif
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rv = acpi_allocate_resources(handle);
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if (ACPI_FAILURE(rv)) {
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printf("acpi: activate failed for %s\n", di->HardwareId);
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} else {
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printf("acpi: activated %s\n", di->HardwareId);
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}
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|
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(void)AcpiGetObjectInfo(handle, di);
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#ifdef ACPI_DEBUG
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printf("acpi_activate_device: %s, new status=%x\n",
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di->HardwareId, di->CurrentStatus);
|
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#endif
|
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}
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#endif /* ACPI_ACTIVATE_DEV */
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|
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/*
|
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* acpi_make_devnode:
|
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*
|
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* Make an ACPI devnode.
|
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*/
|
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ACPI_STATUS
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acpi_make_devnode(ACPI_HANDLE handle, UINT32 level, void *context,
|
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void **status)
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{
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struct acpi_make_devnode_state *state = context;
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#if defined(ACPI_DEBUG) || defined(ACPI_EXTRA_DEBUG)
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struct acpi_softc *sc = state->softc;
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#endif
|
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struct acpi_scope *as = state->scope;
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struct acpi_devnode *ad;
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ACPI_DEVICE_INFO devinfo;
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ACPI_OBJECT_TYPE type;
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ACPI_STATUS rv;
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|
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if (AcpiGetType(handle, &type) == AE_OK) {
|
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rv = AcpiGetObjectInfo(handle, &devinfo);
|
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if (rv != AE_OK) {
|
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#ifdef ACPI_DEBUG
|
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printf("%s: AcpiGetObjectInfo failed\n",
|
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sc->sc_dev.dv_xname);
|
|
#endif
|
|
goto out; /* XXX why return OK */
|
|
}
|
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|
|
switch (type) {
|
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case ACPI_TYPE_DEVICE:
|
|
#if ACPI_ACTIVATE_DEV
|
|
if ((devinfo.Valid & ACPI_VALID_STA) &&
|
|
(devinfo.CurrentStatus &
|
|
(ACPI_STA_DEV_PRESENT|ACPI_STA_DEV_ENABLED)) ==
|
|
ACPI_STA_DEV_PRESENT)
|
|
acpi_activate_device(handle, &devinfo);
|
|
/* FALLTHROUGH */
|
|
#endif
|
|
|
|
case ACPI_TYPE_PROCESSOR:
|
|
case ACPI_TYPE_THERMAL:
|
|
case ACPI_TYPE_POWER:
|
|
ad = malloc(sizeof(*ad), M_ACPI, M_NOWAIT|M_ZERO);
|
|
if (ad == NULL)
|
|
return (AE_NO_MEMORY);
|
|
|
|
ad->ad_handle = handle;
|
|
ad->ad_level = level;
|
|
ad->ad_scope = as;
|
|
ad->ad_type = type;
|
|
|
|
TAILQ_INSERT_TAIL(&as->as_devnodes, ad, ad_list);
|
|
|
|
rv = AcpiGetObjectInfo(handle, &ad->ad_devinfo);
|
|
if (rv != AE_OK)
|
|
goto out;
|
|
|
|
if ((ad->ad_devinfo.Valid & ACPI_VALID_HID) == 0)
|
|
goto out;
|
|
|
|
#ifdef ACPI_EXTRA_DEBUG
|
|
printf("%s: HID %s found in scope %s level %d\n",
|
|
sc->sc_dev.dv_xname, ad->ad_devinfo.HardwareId,
|
|
as->as_name, ad->ad_level);
|
|
if (ad->ad_devinfo.Valid & ACPI_VALID_UID)
|
|
printf(" UID %s\n",
|
|
ad->ad_devinfo.UniqueId);
|
|
if (ad->ad_devinfo.Valid & ACPI_VALID_ADR)
|
|
printf(" ADR 0x%016qx\n",
|
|
ad->ad_devinfo.Address);
|
|
if (ad->ad_devinfo.Valid & ACPI_VALID_STA)
|
|
printf(" STA 0x%08x\n",
|
|
ad->ad_devinfo.CurrentStatus);
|
|
#endif
|
|
}
|
|
}
|
|
out:
|
|
return (AE_OK);
|
|
}
|
|
|
|
/*
|
|
* acpi_print:
|
|
*
|
|
* Autoconfiguration print routine.
|
|
*/
|
|
int
|
|
acpi_print(void *aux, const char *pnp)
|
|
{
|
|
struct acpi_attach_args *aa = aux;
|
|
|
|
if (pnp) {
|
|
if (aa->aa_node->ad_devinfo.Valid & ACPI_VALID_HID) {
|
|
char *pnpstr = aa->aa_node->ad_devinfo.HardwareId;
|
|
char *str;
|
|
|
|
aprint_normal("%s ", pnpstr);
|
|
if (acpi_eval_string(aa->aa_node->ad_handle,
|
|
"_STR", &str) == AE_OK) {
|
|
aprint_normal("[%s] ", str);
|
|
AcpiOsFree(str);
|
|
}
|
|
#ifdef ACPIVERBOSE
|
|
else {
|
|
int i;
|
|
|
|
for (i = 0; i < sizeof(acpi_knowndevs) /
|
|
sizeof(acpi_knowndevs[0]); i++) {
|
|
if (strcmp(acpi_knowndevs[i].pnp,
|
|
pnpstr) == 0) {
|
|
printf("[%s] ",
|
|
acpi_knowndevs[i].str);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
} else {
|
|
aprint_normal("ACPI Object Type '%s' (0x%02x) ",
|
|
AcpiUtGetTypeName(aa->aa_node->ad_devinfo.Type),
|
|
aa->aa_node->ad_devinfo.Type);
|
|
}
|
|
aprint_normal("at %s", pnp);
|
|
} else {
|
|
aprint_normal(" (%s", aa->aa_node->ad_devinfo.HardwareId);
|
|
if (aa->aa_node->ad_devinfo.Valid & ACPI_VALID_UID) {
|
|
char *uid;
|
|
|
|
if (aa->aa_node->ad_devinfo.UniqueId[0] == '\0')
|
|
uid = "<null>";
|
|
else
|
|
uid = aa->aa_node->ad_devinfo.UniqueId;
|
|
aprint_normal("-%s", uid);
|
|
}
|
|
aprint_normal(")");
|
|
}
|
|
|
|
return (UNCONF);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ACPI fixed-hardware feature handlers
|
|
*****************************************************************************/
|
|
|
|
UINT32 acpi_fixed_button_handler(void *);
|
|
void acpi_fixed_button_pressed(void *);
|
|
|
|
/*
|
|
* acpi_enable_fixed_events:
|
|
*
|
|
* Enable any fixed-hardware feature handlers.
|
|
*/
|
|
void
|
|
acpi_enable_fixed_events(struct acpi_softc *sc)
|
|
{
|
|
static int beenhere;
|
|
ACPI_STATUS rv;
|
|
|
|
KASSERT(beenhere == 0);
|
|
beenhere = 1;
|
|
|
|
/*
|
|
* Check for fixed-hardware buttons.
|
|
*/
|
|
|
|
if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->PwrButton == 0) {
|
|
printf("%s: fixed-feature power button present\n",
|
|
sc->sc_dev.dv_xname);
|
|
sc->sc_smpsw_power.smpsw_name = sc->sc_dev.dv_xname;
|
|
sc->sc_smpsw_power.smpsw_type = PSWITCH_TYPE_POWER;
|
|
if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) {
|
|
printf("%s: unable to register fixed power button "
|
|
"with sysmon\n", sc->sc_dev.dv_xname);
|
|
} else {
|
|
rv = AcpiInstallFixedEventHandler(
|
|
ACPI_EVENT_POWER_BUTTON,
|
|
acpi_fixed_button_handler, &sc->sc_smpsw_power);
|
|
if (rv != AE_OK) {
|
|
printf("%s: unable to install handler for "
|
|
"fixed power button: %d\n",
|
|
sc->sc_dev.dv_xname, rv);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (AcpiGbl_FADT != NULL && AcpiGbl_FADT->SleepButton == 0) {
|
|
printf("%s: fixed-feature sleep button present\n",
|
|
sc->sc_dev.dv_xname);
|
|
sc->sc_smpsw_sleep.smpsw_name = sc->sc_dev.dv_xname;
|
|
sc->sc_smpsw_sleep.smpsw_type = PSWITCH_TYPE_SLEEP;
|
|
if (sysmon_pswitch_register(&sc->sc_smpsw_power) != 0) {
|
|
printf("%s: unable to register fixed sleep button "
|
|
"with sysmon\n", sc->sc_dev.dv_xname);
|
|
} else {
|
|
rv = AcpiInstallFixedEventHandler(
|
|
ACPI_EVENT_SLEEP_BUTTON,
|
|
acpi_fixed_button_handler, &sc->sc_smpsw_sleep);
|
|
if (rv != AE_OK) {
|
|
printf("%s: unable to install handler for "
|
|
"fixed sleep button: %d\n",
|
|
sc->sc_dev.dv_xname, rv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* acpi_fixed_button_handler:
|
|
*
|
|
* Event handler for the fixed buttons.
|
|
*/
|
|
UINT32
|
|
acpi_fixed_button_handler(void *context)
|
|
{
|
|
struct sysmon_pswitch *smpsw = context;
|
|
int rv;
|
|
|
|
#ifdef ACPI_BUT_DEBUG
|
|
printf("%s: fixed button handler\n", smpsw->smpsw_name);
|
|
#endif
|
|
|
|
rv = AcpiOsQueueForExecution(OSD_PRIORITY_LO,
|
|
acpi_fixed_button_pressed, smpsw);
|
|
if (rv != AE_OK)
|
|
printf("%s: WARNING: unable to queue fixed button pressed "
|
|
"callback: %d\n", smpsw->smpsw_name, rv);
|
|
|
|
return (ACPI_INTERRUPT_HANDLED);
|
|
}
|
|
|
|
/*
|
|
* acpi_fixed_button_pressed:
|
|
*
|
|
* Deal with a fixed button being pressed.
|
|
*/
|
|
void
|
|
acpi_fixed_button_pressed(void *context)
|
|
{
|
|
struct sysmon_pswitch *smpsw = context;
|
|
|
|
#ifdef ACPI_BUT_DEBUG
|
|
printf("%s: fixed button pressed, calling sysmon\n",
|
|
smpsw->smpsw_name);
|
|
#endif
|
|
|
|
sysmon_pswitch_event(smpsw, PSWITCH_EVENT_PRESSED);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* ACPI utility routines.
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* acpi_eval_integer:
|
|
*
|
|
* Evaluate an integer object.
|
|
*/
|
|
ACPI_STATUS
|
|
acpi_eval_integer(ACPI_HANDLE handle, char *path, int *valp)
|
|
{
|
|
ACPI_STATUS rv;
|
|
ACPI_BUFFER buf;
|
|
ACPI_OBJECT param;
|
|
|
|
if (handle == NULL)
|
|
handle = ACPI_ROOT_OBJECT;
|
|
|
|
buf.Pointer = ¶m;
|
|
buf.Length = sizeof(param);
|
|
|
|
rv = AcpiEvaluateObject(handle, path, NULL, &buf);
|
|
if (rv == AE_OK) {
|
|
if (param.Type == ACPI_TYPE_INTEGER)
|
|
*valp = param.Integer.Value;
|
|
else
|
|
rv = AE_TYPE;
|
|
}
|
|
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* acpi_eval_string:
|
|
*
|
|
* Evaluate a (Unicode) string object.
|
|
*/
|
|
ACPI_STATUS
|
|
acpi_eval_string(ACPI_HANDLE handle, char *path, char **stringp)
|
|
{
|
|
ACPI_STATUS rv;
|
|
ACPI_BUFFER buf;
|
|
ACPI_OBJECT *param;
|
|
|
|
if (handle == NULL)
|
|
handle = ACPI_ROOT_OBJECT;
|
|
|
|
buf.Pointer = NULL;
|
|
buf.Length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
rv = AcpiEvaluateObject(handle, path, NULL, &buf);
|
|
param = (ACPI_OBJECT *)buf.Pointer;
|
|
if (rv == AE_OK && param) {
|
|
if (param->Type == ACPI_TYPE_STRING) {
|
|
char *ptr = param->String.Pointer;
|
|
size_t len;
|
|
while (*ptr++)
|
|
continue;
|
|
len = ptr - param->String.Pointer;
|
|
if ((*stringp = AcpiOsAllocate(len)) == NULL) {
|
|
rv = AE_NO_MEMORY;
|
|
goto done;
|
|
}
|
|
(void)memcpy(*stringp, param->String.Pointer, len);
|
|
goto done;
|
|
}
|
|
rv = AE_TYPE;
|
|
}
|
|
done:
|
|
if (buf.Pointer)
|
|
AcpiOsFree(buf.Pointer);
|
|
return (rv);
|
|
}
|
|
|
|
|
|
/*
|
|
* acpi_eval_struct:
|
|
*
|
|
* Evaluate a more complex structure. Caller must free buf.Pointer.
|
|
*/
|
|
ACPI_STATUS
|
|
acpi_eval_struct(ACPI_HANDLE handle, char *path, ACPI_BUFFER *bufp)
|
|
{
|
|
ACPI_STATUS rv;
|
|
|
|
if (handle == NULL)
|
|
handle = ACPI_ROOT_OBJECT;
|
|
|
|
bufp->Pointer = NULL;
|
|
bufp->Length = ACPI_ALLOCATE_BUFFER;
|
|
|
|
rv = AcpiEvaluateObject(handle, path, NULL, bufp);
|
|
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* acpi_get:
|
|
*
|
|
* Fetch data info the specified (empty) ACPI buffer.
|
|
*/
|
|
ACPI_STATUS
|
|
acpi_get(ACPI_HANDLE handle, ACPI_BUFFER *buf,
|
|
ACPI_STATUS (*getit)(ACPI_HANDLE, ACPI_BUFFER *))
|
|
{
|
|
ACPI_STATUS rv;
|
|
|
|
buf->Pointer = NULL;
|
|
buf->Length = 0;
|
|
|
|
rv = (*getit)(handle, buf);
|
|
if (rv != AE_BUFFER_OVERFLOW)
|
|
return (rv);
|
|
|
|
buf->Pointer = AcpiOsAllocate(buf->Length);
|
|
if (buf->Pointer == NULL)
|
|
return (AE_NO_MEMORY);
|
|
memset(buf->Pointer, 0, buf->Length);
|
|
|
|
return ((*getit)(handle, buf));
|
|
}
|
|
|
|
|
|
/*
|
|
* acpi_acquire_global_lock:
|
|
*
|
|
* Acquire global lock, with sleeping appropriately.
|
|
*/
|
|
#define ACQUIRE_WAIT 1000
|
|
|
|
ACPI_STATUS
|
|
acpi_acquire_global_lock(UINT32 *handle)
|
|
{
|
|
ACPI_STATUS status;
|
|
UINT32 h;
|
|
int s;
|
|
|
|
s = splhigh();
|
|
simple_lock(&acpi_slock);
|
|
while (acpi_locked)
|
|
ltsleep(&acpi_slock, PVM, "acpi_lock", 0, &acpi_slock);
|
|
acpi_locked = 1;
|
|
simple_unlock(&acpi_slock);
|
|
splx(s);
|
|
status = AcpiAcquireGlobalLock(ACQUIRE_WAIT, &h);
|
|
if (ACPI_SUCCESS(status))
|
|
*handle = h;
|
|
else {
|
|
printf("acpi: cannot acquire lock. status=0x%X\n", status);
|
|
s = splhigh();
|
|
simple_lock(&acpi_slock);
|
|
acpi_locked = 0;
|
|
simple_unlock(&acpi_slock);
|
|
splx(s);
|
|
}
|
|
|
|
return (status);
|
|
}
|
|
|
|
void
|
|
acpi_release_global_lock(UINT32 handle)
|
|
{
|
|
ACPI_STATUS status;
|
|
int s;
|
|
|
|
if (!acpi_locked) {
|
|
printf("acpi: not locked.\n");
|
|
return;
|
|
}
|
|
|
|
status = AcpiReleaseGlobalLock(handle);
|
|
if (ACPI_FAILURE(status)) {
|
|
printf("acpi: AcpiReleaseGlobalLock failed. status=0x%X\n",
|
|
status);
|
|
return;
|
|
}
|
|
|
|
s = splhigh();
|
|
simple_lock(&acpi_slock);
|
|
acpi_locked = 0;
|
|
simple_unlock(&acpi_slock);
|
|
splx(s);
|
|
wakeup(&acpi_slock);
|
|
}
|
|
|
|
int
|
|
acpi_is_global_locked(void)
|
|
{
|
|
return (acpi_locked);
|
|
}
|
|
|
|
|
|
|
|
/*****************************************************************************
|
|
* ACPI sleep support.
|
|
*****************************************************************************/
|
|
|
|
static int
|
|
is_available_state(struct acpi_softc *sc, int state)
|
|
{
|
|
UINT8 type_a, type_b;
|
|
|
|
return (ACPI_SUCCESS(AcpiGetSleepTypeData((UINT8)state,
|
|
&type_a, &type_b)));
|
|
}
|
|
|
|
/*
|
|
* acpi_enter_sleep_state:
|
|
*
|
|
* enter to the specified sleep state.
|
|
*/
|
|
|
|
ACPI_STATUS
|
|
acpi_enter_sleep_state(struct acpi_softc *sc, int state)
|
|
{
|
|
int s;
|
|
ACPI_STATUS ret = AE_OK;
|
|
|
|
switch (state) {
|
|
case ACPI_STATE_S0:
|
|
break;
|
|
case ACPI_STATE_S1:
|
|
case ACPI_STATE_S2:
|
|
case ACPI_STATE_S3:
|
|
case ACPI_STATE_S4:
|
|
if (!is_available_state(sc, state)) {
|
|
printf("acpi: cannot enter the sleep state (%d).\n",
|
|
state);
|
|
break;
|
|
}
|
|
ret = AcpiEnterSleepStatePrep(state);
|
|
if (ACPI_FAILURE(ret)) {
|
|
printf("acpi: failed preparing to sleep (%s)\n",
|
|
AcpiFormatException(ret));
|
|
break;
|
|
}
|
|
if (state==ACPI_STATE_S1) {
|
|
/* just enter the state */
|
|
acpi_md_OsDisableInterrupt();
|
|
AcpiEnterSleepState((UINT8)state);
|
|
AcpiUtReleaseMutex(ACPI_MTX_HARDWARE);
|
|
} else {
|
|
/* XXX: powerhooks(9) framework is too poor to
|
|
* support ACPI sleep state...
|
|
*/
|
|
dopowerhooks(PWR_SOFTSUSPEND);
|
|
s = splhigh();
|
|
dopowerhooks(PWR_SUSPEND);
|
|
acpi_md_sleep(state);
|
|
dopowerhooks(PWR_RESUME);
|
|
splx(s);
|
|
dopowerhooks(PWR_SOFTRESUME);
|
|
if (state==ACPI_STATE_S4)
|
|
AcpiEnable();
|
|
}
|
|
AcpiLeaveSleepState((UINT8)state);
|
|
break;
|
|
case ACPI_STATE_S5:
|
|
AcpiEnterSleepStatePrep(ACPI_STATE_S5);
|
|
acpi_md_OsDisableInterrupt();
|
|
AcpiEnterSleepState(ACPI_STATE_S5);
|
|
printf("WARNING: powerdown failed!\n");
|
|
break;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
#ifdef ACPI_PCI_FIXUP
|
|
ACPI_STATUS acpi_pci_fixup_bus(ACPI_HANDLE, UINT32, void *, void **);
|
|
/*
|
|
* acpi_pci_fixup:
|
|
*
|
|
* Set up PCI devices that BIOS didn't handle right.
|
|
* Iterate through all devices and try to get the _PTR
|
|
* (PCI Routing Table). If it exists then make sure all
|
|
* interrupt links that it uses are working.
|
|
*/
|
|
void
|
|
acpi_pci_fixup(struct acpi_softc *sc)
|
|
{
|
|
ACPI_HANDLE parent;
|
|
|
|
#ifdef ACPI_DEBUG
|
|
printf("acpi_pci_fixup starts:\n");
|
|
#endif
|
|
if (AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent) != AE_OK)
|
|
return;
|
|
sc->sc_pci_bus = 0;
|
|
AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100,
|
|
acpi_pci_fixup_bus, sc, NULL);
|
|
}
|
|
|
|
static ACPI_HANDLE
|
|
acpi_get_node(char *name)
|
|
{
|
|
ACPI_NAMESPACE_NODE *ObjDesc;
|
|
ACPI_STATUS Status;
|
|
|
|
Status = AcpiNsGetNodeByPath(name, NULL, 0, &ObjDesc);
|
|
if (ACPI_FAILURE (Status)) {
|
|
printf("acpi_get_node: could not find: %s\n",
|
|
AcpiFormatException (Status));
|
|
return NULL;
|
|
}
|
|
return ObjDesc;
|
|
}
|
|
|
|
static uint
|
|
acpi_get_intr(ACPI_HANDLE handle)
|
|
{
|
|
ACPI_BUFFER ret;
|
|
ACPI_STATUS rv;
|
|
ACPI_RESOURCE *res;
|
|
ACPI_RESOURCE_IRQ *irq;
|
|
uint intr;
|
|
|
|
intr = -1;
|
|
rv = acpi_get(handle, &ret, AcpiGetCurrentResources);
|
|
if (ACPI_FAILURE(rv))
|
|
return (intr);
|
|
for (res = ret.Pointer; res->Id != ACPI_RSTYPE_END_TAG;
|
|
res = ACPI_NEXT_RESOURCE(res)) {
|
|
if (res->Id == ACPI_RSTYPE_IRQ) {
|
|
irq = (ACPI_RESOURCE_IRQ *)&res->Data;
|
|
if (irq->NumberOfInterrupts == 1)
|
|
intr = irq->Interrupts[0];
|
|
break;
|
|
}
|
|
}
|
|
free(ret.Pointer, M_ACPI);
|
|
return (intr);
|
|
}
|
|
|
|
static void
|
|
acpi_pci_set_line(int bus, int dev, int pin, int line)
|
|
{
|
|
ACPI_STATUS err;
|
|
ACPI_PCI_ID pid;
|
|
UINT32 intr, id, bhlc;
|
|
int func, nfunc;
|
|
|
|
pid.Bus = bus;
|
|
pid.Device = dev;
|
|
pid.Function = 0;
|
|
|
|
err = AcpiOsReadPciConfiguration(&pid, PCI_BHLC_REG, &bhlc, 32);
|
|
if (err)
|
|
return;
|
|
if (PCI_HDRTYPE_MULTIFN(bhlc))
|
|
nfunc = 8;
|
|
else
|
|
nfunc = 1;
|
|
|
|
for (func = 0; func < nfunc; func++) {
|
|
pid.Function = func;
|
|
|
|
err = AcpiOsReadPciConfiguration(&pid, PCI_ID_REG, &id, 32);
|
|
if (err || PCI_VENDOR(id) == PCI_VENDOR_INVALID ||
|
|
PCI_VENDOR(id) == 0)
|
|
continue;
|
|
|
|
err = AcpiOsReadPciConfiguration(&pid, PCI_INTERRUPT_REG,
|
|
&intr, 32);
|
|
if (err) {
|
|
printf("AcpiOsReadPciConfiguration failed %d\n", err);
|
|
return;
|
|
}
|
|
if (pin == PCI_INTERRUPT_PIN(intr) &&
|
|
line != PCI_INTERRUPT_LINE(intr)) {
|
|
#ifdef ACPI_DEBUG
|
|
printf("acpi fixup pci intr: %d:%d:%d %c: %d -> %d\n",
|
|
bus, dev, func,
|
|
pin + '@', PCI_INTERRUPT_LINE(intr),
|
|
line);
|
|
#endif
|
|
intr &= ~(PCI_INTERRUPT_LINE_MASK <<
|
|
PCI_INTERRUPT_LINE_SHIFT);
|
|
intr |= line << PCI_INTERRUPT_LINE_SHIFT;
|
|
err = AcpiOsWritePciConfiguration(&pid,
|
|
PCI_INTERRUPT_REG, intr, 32);
|
|
if (err) {
|
|
printf("AcpiOsWritePciConfiguration failed"
|
|
" %d\n", err);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ACPI_STATUS
|
|
acpi_pci_fixup_bus(ACPI_HANDLE handle, UINT32 level, void *context,
|
|
void **status)
|
|
{
|
|
struct acpi_softc *sc = context;
|
|
ACPI_STATUS rv;
|
|
ACPI_BUFFER buf;
|
|
UINT8 *Buffer;
|
|
ACPI_PCI_ROUTING_TABLE *PrtElement;
|
|
ACPI_HANDLE link;
|
|
uint line;
|
|
ACPI_NAMESPACE_NODE *node;
|
|
ACPI_INTEGER val;
|
|
|
|
rv = acpi_get(handle, &buf, AcpiGetIrqRoutingTable);
|
|
if (ACPI_FAILURE(rv))
|
|
return (AE_OK);
|
|
|
|
/*
|
|
* If at level 1, this is a PCI root bus. Try the _BBN method
|
|
* to get the right PCI bus numbering for the following
|
|
* busses (this is a depth-first walk). It may fail,
|
|
* for example if there's only one root bus, but that
|
|
* case should be ok, so we'll ignore that.
|
|
*/
|
|
if (level == 1) {
|
|
node = AcpiNsMapHandleToNode(handle);
|
|
rv = AcpiUtEvaluateNumericObject(METHOD_NAME__BBN, node, &val);
|
|
if (!ACPI_FAILURE(rv)) {
|
|
#ifdef ACPI_DEBUG
|
|
printf("%s: fixup: _BBN success, bus # was %d now %d\n",
|
|
sc->sc_dev.dv_xname, sc->sc_pci_bus,
|
|
ACPI_LOWORD(val));
|
|
#endif
|
|
sc->sc_pci_bus = ACPI_LOWORD(val);
|
|
}
|
|
}
|
|
|
|
|
|
#ifdef ACPI_DEBUG
|
|
printf("%s: fixing up PCI bus %d at level %u\n", sc->sc_dev.dv_xname,
|
|
sc->sc_pci_bus, level);
|
|
#endif
|
|
|
|
for (Buffer = buf.Pointer; ; Buffer += PrtElement->Length) {
|
|
PrtElement = (ACPI_PCI_ROUTING_TABLE *)Buffer;
|
|
if (PrtElement->Length == 0)
|
|
break;
|
|
if (PrtElement->Source[0] == 0)
|
|
continue;
|
|
|
|
link = acpi_get_node(PrtElement->Source);
|
|
if (link == NULL)
|
|
continue;
|
|
line = acpi_get_intr(link);
|
|
if (line == -1) {
|
|
#ifdef ACPI_DEBUG
|
|
printf("%s: fixing up intr link %s\n",
|
|
sc->sc_dev.dv_xname, PrtElement->Source);
|
|
#endif
|
|
rv = acpi_allocate_resources(link);
|
|
if (ACPI_FAILURE(rv)) {
|
|
printf("%s: interrupt allocation failed %s\n",
|
|
sc->sc_dev.dv_xname, PrtElement->Source);
|
|
continue;
|
|
}
|
|
line = acpi_get_intr(link);
|
|
if (line == -1) {
|
|
printf("%s: get intr failed %s\n",
|
|
sc->sc_dev.dv_xname, PrtElement->Source);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
acpi_pci_set_line(sc->sc_pci_bus, PrtElement->Address >> 16,
|
|
PrtElement->Pin + 1, line);
|
|
}
|
|
|
|
sc->sc_pci_bus++;
|
|
|
|
free(buf.Pointer, M_ACPI);
|
|
return (AE_OK);
|
|
}
|
|
#endif /* ACPI_PCI_FIXUP */
|
|
|
|
#if defined(ACPI_PCI_FIXUP) || ACPI_ACTIVATE_DEV
|
|
/* XXX This very incomplete */
|
|
ACPI_STATUS
|
|
acpi_allocate_resources(ACPI_HANDLE handle)
|
|
{
|
|
ACPI_BUFFER bufp, bufc, bufn;
|
|
ACPI_RESOURCE *resp, *resc, *resn;
|
|
ACPI_RESOURCE_IRQ *irq;
|
|
ACPI_STATUS rv;
|
|
uint delta;
|
|
|
|
rv = acpi_get(handle, &bufp, AcpiGetPossibleResources);
|
|
if (ACPI_FAILURE(rv))
|
|
goto out;
|
|
rv = acpi_get(handle, &bufc, AcpiGetCurrentResources);
|
|
if (ACPI_FAILURE(rv)) {
|
|
goto out1;
|
|
}
|
|
|
|
bufn.Length = 1000;
|
|
bufn.Pointer = resn = malloc(bufn.Length, M_ACPI, M_WAITOK);
|
|
resp = bufp.Pointer;
|
|
resc = bufc.Pointer;
|
|
while (resc->Id != ACPI_RSTYPE_END_TAG &&
|
|
resp->Id != ACPI_RSTYPE_END_TAG) {
|
|
while (resc->Id != resp->Id && resp->Id != ACPI_RSTYPE_END_TAG)
|
|
resp = ACPI_NEXT_RESOURCE(resp);
|
|
if (resp->Id == ACPI_RSTYPE_END_TAG)
|
|
break;
|
|
/* Found identical Id */
|
|
resn->Id = resc->Id;
|
|
switch (resc->Id) {
|
|
case ACPI_RSTYPE_IRQ:
|
|
memcpy(&resn->Data, &resp->Data,
|
|
sizeof(ACPI_RESOURCE_IRQ));
|
|
irq = (ACPI_RESOURCE_IRQ *)&resn->Data;
|
|
irq->Interrupts[0] =
|
|
((ACPI_RESOURCE_IRQ *)&resp->Data)->
|
|
Interrupts[irq->NumberOfInterrupts-1];
|
|
irq->NumberOfInterrupts = 1;
|
|
resn->Length = ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_IRQ);
|
|
break;
|
|
case ACPI_RSTYPE_IO:
|
|
memcpy(&resn->Data, &resp->Data,
|
|
sizeof(ACPI_RESOURCE_IO));
|
|
resn->Length = resp->Length;
|
|
break;
|
|
default:
|
|
printf("acpi_allocate_resources: res=%d\n", resc->Id);
|
|
rv = AE_BAD_DATA;
|
|
goto out2;
|
|
}
|
|
resc = ACPI_NEXT_RESOURCE(resc);
|
|
resn = ACPI_NEXT_RESOURCE(resn);
|
|
delta = (UINT8 *)resn - (UINT8 *)bufn.Pointer;
|
|
if (delta >=
|
|
bufn.Length-ACPI_SIZEOF_RESOURCE(ACPI_RESOURCE_DATA)) {
|
|
bufn.Length *= 2;
|
|
bufn.Pointer = realloc(bufn.Pointer, bufn.Length,
|
|
M_ACPI, M_WAITOK);
|
|
resn = (ACPI_RESOURCE *)((UINT8 *)bufn.Pointer + delta);
|
|
}
|
|
}
|
|
if (resc->Id != ACPI_RSTYPE_END_TAG) {
|
|
printf("acpi_allocate_resources: resc not exhausted\n");
|
|
rv = AE_BAD_DATA;
|
|
goto out3;
|
|
}
|
|
|
|
resn->Id = ACPI_RSTYPE_END_TAG;
|
|
rv = AcpiSetCurrentResources(handle, &bufn);
|
|
if (ACPI_FAILURE(rv)) {
|
|
printf("acpi_allocate_resources: AcpiSetCurrentResources %s\n",
|
|
AcpiFormatException(rv));
|
|
}
|
|
|
|
out3:
|
|
free(bufn.Pointer, M_ACPI);
|
|
out2:
|
|
free(bufc.Pointer, M_ACPI);
|
|
out1:
|
|
free(bufp.Pointer, M_ACPI);
|
|
out:
|
|
return rv;
|
|
}
|
|
#endif /* ACPI_PCI_FIXUP || ACPI_ACTIVATE_DEV */
|