FreeBSD/Linux Kernel Cross Reference
sys/dev/ofw/ofw_bus_if.m

     #-
     # Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
     # Copyright (c) 2004, 2005 by Marius Strobl <marius@FreeBSD.org>
     # 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 ``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.
    #
    # $FreeBSD: releng/8.1/sys/dev/ofw/ofw_bus_if.m 152683 2005-11-22 16:37:45Z marius $
    
    # Interface for retrieving the package handle and a subset, namely
    # 'compatible', 'device_type', 'model' and 'name', of the standard
    # properties of a device on an Open Firmware assisted bus for use
    # in device drivers. The rest of the standard properties, 'address',
    # 'interrupts', 'reg' and 'status', are not covered by this interface
    # as they are expected to be only of interest in the respective bus
    # driver.
    
    #include <sys/bus.h>
    
    #include <dev/ofw/openfirm.h>
    
    INTERFACE ofw_bus;
    
    HEADER {
            struct ofw_bus_devinfo {
                    phandle_t       obd_node;
                    char            *obd_compat;
                    char            *obd_model;
                    char            *obd_name;
                    char            *obd_type;
            };
    };
    
    CODE {
            static ofw_bus_get_devinfo_t ofw_bus_default_get_devinfo;
            static ofw_bus_get_compat_t ofw_bus_default_get_compat;
            static ofw_bus_get_model_t ofw_bus_default_get_model;
            static ofw_bus_get_name_t ofw_bus_default_get_name;
            static ofw_bus_get_node_t ofw_bus_default_get_node;
            static ofw_bus_get_type_t ofw_bus_default_get_type;
    
            static const struct ofw_bus_devinfo *
            ofw_bus_default_get_devinfo(device_t bus, device_t dev)
            {
    
                    return (NULL);
            }
    
            static const char *
            ofw_bus_default_get_compat(device_t bus, device_t dev)
            {
    
                    return (NULL);
            }
    
            static const char *
            ofw_bus_default_get_model(device_t bus, device_t dev)
            {
    
                    return (NULL);
            }
    
            static const char *
            ofw_bus_default_get_name(device_t bus, device_t dev)
            {
    
                    return (NULL);
            }
    
            static phandle_t
            ofw_bus_default_get_node(device_t bus, device_t dev)
            {
    
                    return (0);
            }
    
            static const char *
            ofw_bus_default_get_type(device_t bus, device_t dev)
            {
    
                    return (NULL);
           }
   };
   
   # Get the ofw_bus_devinfo struct for the device dev on the bus. Used for bus
   # drivers which use the generic methods in ofw_bus_subr.c to implement the
   # reset of this interface. The default method will return NULL, which means
   # there is no such struct associated with the device.
   METHOD const struct ofw_bus_devinfo * get_devinfo {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_devinfo;
   
   # Get the alternate firmware name for the device dev on the bus. The default
   # method will return NULL, which means the device doesn't have such a property.
   METHOD const char * get_compat {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_compat;
   
   # Get the firmware model name for the device dev on the bus. The default method
   # will return NULL, which means the device doesn't have such a property.
   METHOD const char * get_model {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_model;
   
   # Get the firmware name for the device dev on the bus. The default method will
   # return NULL, which means the device doesn't have such a property.
   METHOD const char * get_name {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_name;
   
   # Get the firmware node for the device dev on the bus. The default method will
   # return 0, which signals that there is no such node.
   METHOD phandle_t get_node {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_node;
   
   # Get the firmware device type for the device dev on the bus. The default
   # method will return NULL, which means the device doesn't have such a property.
   METHOD const char * get_type {
           device_t bus;
           device_t dev;
   } DEFAULT ofw_bus_default_get_type;

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