The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/acpica/acpi_pcib_pci.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 2000 Michael Smith
    3  * Copyright (c) 2000 BSDi
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD: releng/5.3/sys/dev/acpica/acpi_pcib_pci.c 133500 2004-08-11 14:52:50Z njl $");
   30 
   31 #include "opt_acpi.h"
   32 
   33 #include <sys/param.h>
   34 #include <sys/bus.h>
   35 #include <sys/kernel.h>
   36 #include <sys/malloc.h>
   37 #include <sys/module.h>
   38 
   39 #include "acpi.h"
   40 #include <dev/acpica/acpivar.h>
   41 #include <dev/acpica/acpi_pcibvar.h>
   42 
   43 #include <machine/pci_cfgreg.h>
   44 #include <dev/pci/pcivar.h>
   45 #include <dev/pci/pcireg.h>
   46 #include <dev/pci/pcib_private.h>
   47 #include "pcib_if.h"
   48 
   49 /* Hooks for the ACPI CA debugging infrastructure. */
   50 #define _COMPONENT      ACPI_BUS
   51 ACPI_MODULE_NAME("PCI_PCI")
   52 
   53 struct acpi_pcib_softc {
   54     struct pcib_softc   ap_pcibsc;
   55     ACPI_HANDLE         ap_handle;
   56     ACPI_BUFFER         ap_prt;         /* interrupt routing table */
   57 };
   58         
   59 struct acpi_pcib_lookup_info {
   60     UINT32              address;
   61     ACPI_HANDLE         handle;
   62 };
   63         
   64 static int              acpi_pcib_pci_probe(device_t bus);
   65 static int              acpi_pcib_pci_attach(device_t bus);
   66 static int              acpi_pcib_pci_resume(device_t bus);
   67 static int              acpi_pcib_read_ivar(device_t dev, device_t child,
   68                             int which, uintptr_t *result);
   69 static int              acpi_pcib_pci_route_interrupt(device_t pcib,
   70                             device_t dev, int pin);
   71 
   72 static device_method_t acpi_pcib_pci_methods[] = {
   73     /* Device interface */
   74     DEVMETHOD(device_probe,             acpi_pcib_pci_probe),
   75     DEVMETHOD(device_attach,            acpi_pcib_pci_attach),
   76     DEVMETHOD(device_shutdown,          bus_generic_shutdown),
   77     DEVMETHOD(device_suspend,           bus_generic_suspend),
   78     DEVMETHOD(device_resume,            acpi_pcib_pci_resume),
   79 
   80     /* Bus interface */
   81     DEVMETHOD(bus_print_child,          bus_generic_print_child),
   82     DEVMETHOD(bus_read_ivar,            acpi_pcib_read_ivar),
   83     DEVMETHOD(bus_write_ivar,           pcib_write_ivar),
   84     DEVMETHOD(bus_alloc_resource,       pcib_alloc_resource),
   85     DEVMETHOD(bus_release_resource,     bus_generic_release_resource),
   86     DEVMETHOD(bus_activate_resource,    bus_generic_activate_resource),
   87     DEVMETHOD(bus_deactivate_resource,  bus_generic_deactivate_resource),
   88     DEVMETHOD(bus_setup_intr,           bus_generic_setup_intr),
   89     DEVMETHOD(bus_teardown_intr,        bus_generic_teardown_intr),
   90 
   91     /* pcib interface */
   92     DEVMETHOD(pcib_maxslots,            pcib_maxslots),
   93     DEVMETHOD(pcib_read_config,         pcib_read_config),
   94     DEVMETHOD(pcib_write_config,        pcib_write_config),
   95     DEVMETHOD(pcib_route_interrupt,     acpi_pcib_pci_route_interrupt),
   96 
   97     {0, 0}
   98 };
   99 
  100 static driver_t acpi_pcib_pci_driver = {
  101     "pcib",
  102     acpi_pcib_pci_methods,
  103     sizeof(struct acpi_pcib_softc),
  104 };
  105 
  106 DRIVER_MODULE(acpi_pcib, pci, acpi_pcib_pci_driver, pcib_devclass, 0, 0);
  107 MODULE_DEPEND(acpi_pcib, acpi, 1, 1, 1);
  108 
  109 static int
  110 acpi_pcib_pci_probe(device_t dev)
  111 {
  112 
  113     if (pci_get_class(dev) != PCIC_BRIDGE ||
  114         pci_get_subclass(dev) != PCIS_BRIDGE_PCI ||
  115         acpi_disabled("pci"))
  116         return (ENXIO);
  117     if (acpi_get_handle(dev) == NULL)
  118         return (ENXIO);
  119     if (pci_cfgregopen() == 0)
  120         return (ENXIO);
  121 
  122     device_set_desc(dev, "ACPI PCI-PCI bridge");
  123     return (-1000);
  124 }
  125 
  126 static int
  127 acpi_pcib_pci_attach(device_t dev)
  128 {
  129     struct acpi_pcib_softc *sc;
  130 
  131     ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
  132 
  133     pcib_attach_common(dev);
  134     sc = device_get_softc(dev);
  135     sc->ap_handle = acpi_get_handle(dev);
  136     return (acpi_pcib_attach(dev, &sc->ap_prt, sc->ap_pcibsc.secbus));
  137 }
  138 
  139 static int
  140 acpi_pcib_pci_resume(device_t dev)
  141 {
  142 
  143     return (acpi_pcib_resume(dev));
  144 }
  145 
  146 static int
  147 acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
  148 {
  149     struct acpi_pcib_softc *sc = device_get_softc(dev);
  150 
  151     switch (which) {
  152     case ACPI_IVAR_HANDLE:
  153         *result = (uintptr_t)sc->ap_handle;
  154         return (0);
  155     }
  156     return (pcib_read_ivar(dev, child, which, result));
  157 }
  158 
  159 static int
  160 acpi_pcib_pci_route_interrupt(device_t pcib, device_t dev, int pin)
  161 {
  162     struct acpi_pcib_softc *sc;
  163 
  164     sc = device_get_softc(pcib);
  165 
  166     /*
  167      * If we don't have a _PRT, fall back to the swizzle method
  168      * for routing interrupts.
  169      */
  170     if (sc->ap_prt.Pointer == NULL)
  171         return (pcib_route_interrupt(pcib, dev, pin));
  172     else
  173         return (acpi_pcib_route_interrupt(pcib, dev, pin));
  174 }

Cache object: e91836ae5a0f9d2994193b2b0af951d9


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.