1 /*- 2 * Copyright (c) 2001 Mitsuru IWASAKI 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/i386/acpica/acpi_machdep.c,v 1.20 2004/05/05 19:51:15 njl Exp $ 27 */ 28 29 #include <sys/param.h> 30 #include <sys/bus.h> 31 #include <sys/conf.h> 32 #include <sys/device.h> 33 #include <sys/fcntl.h> 34 #include <sys/kernel.h> 35 #include <sys/sysctl.h> 36 #include <sys/uio.h> 37 38 #include "acpi.h" 39 #include <dev/acpica/acpivar.h> 40 #include <dev/acpica/acpiio.h> 41 42 static device_t acpi_dev; 43 44 #include <sys/event.h> 45 46 #include <machine_base/apic/ioapic.h> 47 #include <machine/smp.h> 48 49 static uint32_t acpi_reset_video = 1; 50 TUNABLE_INT("hw.acpi.reset_video", &acpi_reset_video); 51 52 int 53 acpi_machdep_init(device_t dev) 54 { 55 struct acpi_softc *sc; 56 57 acpi_dev = dev; 58 sc = device_get_softc(acpi_dev); 59 60 acpi_install_wakeup_handler(sc); 61 62 if (ioapic_enable) 63 acpi_SetIntrModel(ACPI_INTR_APIC); 64 65 SYSCTL_ADD_UINT(&sc->acpi_sysctl_ctx, 66 SYSCTL_CHILDREN(sc->acpi_sysctl_tree), OID_AUTO, 67 "reset_video", CTLFLAG_RD | CTLFLAG_RW, &acpi_reset_video, 0, 68 "Call the VESA reset BIOS vector on the resume path"); 69 70 return (0); 71 } 72 73 int 74 acpi_machdep_quirks(int *quirks) 75 { 76 return (0); 77 } 78 79