141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
/*-
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* Copyright (c) 2001 Mitsuru IWASAKI
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/sysctl.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <dev/acpica/acpivar.h>
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#include <machine/nexusvar.h>
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SYSCTL_DECL(_debug_acpi);
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int acpi_resume_beep;
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TUNABLE_INT("debug.acpi.resume_beep", &acpi_resume_beep);
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SYSCTL_INT(_debug_acpi, OID_AUTO, resume_beep, CTLFLAG_RW, &acpi_resume_beep,
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0, "Beep the PC speaker when resuming");
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int acpi_reset_video;
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TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video);
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static int intr_model = ACPI_INTR_PIC;
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static struct apm_clone_data acpi_clone;
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int
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acpi_machdep_init(device_t dev)
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{
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struct acpi_softc *sc;
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sc = devclass_get_softc(devclass_find("acpi"), 0);
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/* Create a fake clone for /dev/acpi. */
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STAILQ_INIT(&sc->apm_cdevs);
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acpi_clone.cdev = sc->acpi_dev_t;
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acpi_clone.acpi_sc = sc;
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ACPI_LOCK(acpi);
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STAILQ_INSERT_TAIL(&sc->apm_cdevs, &acpi_clone, entries);
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ACPI_UNLOCK(acpi);
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sc->acpi_clone = &acpi_clone;
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acpi_install_wakeup_handler(sc);
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if (intr_model != ACPI_INTR_PIC)
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acpi_SetIntrModel(intr_model);
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SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx,
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SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO,
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"reset_video", CTLFLAG_RW, &acpi_reset_video, 0,
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"Call the VESA reset BIOS vector on the resume path");
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return (0);
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}
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void
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acpi_SetDefaultIntrModel(int model)
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{
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intr_model = model;
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}
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int
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acpi_machdep_quirks(int *quirks)
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{
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return (0);
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}
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void
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acpi_cpu_c1()
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{
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__asm __volatile("sti; hlt");
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}
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/*
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* ACPI nexus(4) driver.
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*/
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static int
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nexus_acpi_probe(device_t dev)
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{
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int error;
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error = acpi_identify();
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if (error)
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return (error);
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return (BUS_PROBE_DEFAULT);
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}
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static int
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nexus_acpi_attach(device_t dev)
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{
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nexus_init_resources();
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bus_generic_probe(dev);
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if (BUS_ADD_CHILD(dev, 10, "acpi", 0) == NULL)
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panic("failed to add acpi0 device");
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return (bus_generic_attach(dev));
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}
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static device_method_t nexus_acpi_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, nexus_acpi_probe),
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DEVMETHOD(device_attach, nexus_acpi_attach),
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{ 0, 0 }
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};
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DEFINE_CLASS_1(nexus, nexus_acpi_driver, nexus_acpi_methods, 1, nexus_driver);
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static devclass_t nexus_devclass;
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DRIVER_MODULE(nexus_acpi, root, nexus_acpi_driver, nexus_devclass, 0, 0);
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