Current Path : /sys/dev/acpica/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/acpica/acpi_pcib_pci.c |
/*- * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/acpica/acpi_pcib_pci.c 221393 2011-05-03 17:37:24Z jhb $"); #include "opt_acpi.h" #include <sys/param.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/malloc.h> #include <sys/module.h> #include <sys/rman.h> #include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/accommon.h> #include <dev/acpica/acpivar.h> #include <dev/acpica/acpi_pcibvar.h> #include <machine/pci_cfgreg.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcib_private.h> #include "pcib_if.h" /* Hooks for the ACPI CA debugging infrastructure. */ #define _COMPONENT ACPI_BUS ACPI_MODULE_NAME("PCI_PCI") struct acpi_pcib_softc { struct pcib_softc ap_pcibsc; ACPI_HANDLE ap_handle; ACPI_BUFFER ap_prt; /* interrupt routing table */ }; struct acpi_pcib_lookup_info { UINT32 address; ACPI_HANDLE handle; }; static int acpi_pcib_pci_probe(device_t bus); static int acpi_pcib_pci_attach(device_t bus); static int acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result); static int acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin); static device_method_t acpi_pcib_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, acpi_pcib_pci_probe), DEVMETHOD(device_attach, acpi_pcib_pci_attach), /* Bus interface */ DEVMETHOD(bus_read_ivar, acpi_pcib_read_ivar), /* pcib interface */ DEVMETHOD(pcib_route_interrupt, acpi_pcib_pci_route_interrupt), DEVMETHOD(pcib_power_for_sleep, acpi_pcib_power_for_sleep), {0, 0} }; static devclass_t pcib_devclass; DEFINE_CLASS_1(pcib, acpi_pcib_pci_driver, acpi_pcib_pci_methods, sizeof(struct acpi_pcib_softc), pcib_driver); DRIVER_MODULE(acpi_pcib, pci, acpi_pcib_pci_driver, pcib_devclass, 0, 0); MODULE_DEPEND(acpi_pcib, acpi, 1, 1, 1); static int acpi_pcib_pci_probe(device_t dev) { if (pci_get_class(dev) != PCIC_BRIDGE || pci_get_subclass(dev) != PCIS_BRIDGE_PCI || acpi_disabled("pci")) return (ENXIO); if (acpi_get_handle(dev) == NULL) return (ENXIO); if (pci_cfgregopen() == 0) return (ENXIO); device_set_desc(dev, "ACPI PCI-PCI bridge"); return (-1000); } static int acpi_pcib_pci_attach(device_t dev) { struct acpi_pcib_softc *sc; ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__); pcib_attach_common(dev); sc = device_get_softc(dev); sc->ap_handle = acpi_get_handle(dev); return (acpi_pcib_attach(dev, &sc->ap_prt, sc->ap_pcibsc.secbus)); } static int acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) { struct acpi_pcib_softc *sc = device_get_softc(dev); switch (which) { case ACPI_IVAR_HANDLE: *result = (uintptr_t)sc->ap_handle; return (0); } return (pcib_read_ivar(dev, child, which, result)); } static int acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin) { struct acpi_pcib_softc *sc; sc = device_get_softc(pcib); /* * If we don't have a _PRT, fall back to the swizzle method * for routing interrupts. */ if (sc->ap_prt.Pointer == NULL) return (pcib_route_interrupt(pcib, dev, pin)); else return (acpi_pcib_route_interrupt(pcib, dev, pin, &sc->ap_prt)); }