0d8d9edaaa
OF node, instead of a random mixture of 0 and -1. Update all checks for 0 to check for -1 instead. MFC after: 4 weeks
146 lines
4.5 KiB
Objective-C
146 lines
4.5 KiB
Objective-C
#-
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# Copyright (c) 2001, 2003 by Thomas Moestl <tmm@FreeBSD.org>
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# Copyright (c) 2004, 2005 by Marius Strobl <marius@FreeBSD.org>
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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 ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# $FreeBSD$
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# Interface for retrieving the package handle and a subset, namely
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# 'compatible', 'device_type', 'model' and 'name', of the standard
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# properties of a device on an Open Firmware assisted bus for use
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# in device drivers. The rest of the standard properties, 'address',
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# 'interrupts', 'reg' and 'status', are not covered by this interface
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# as they are expected to be only of interest in the respective bus
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# driver.
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#include <sys/bus.h>
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#include <dev/ofw/openfirm.h>
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INTERFACE ofw_bus;
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HEADER {
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struct ofw_bus_devinfo {
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phandle_t obd_node;
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char *obd_compat;
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char *obd_model;
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char *obd_name;
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char *obd_type;
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};
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};
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CODE {
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static ofw_bus_get_devinfo_t ofw_bus_default_get_devinfo;
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static ofw_bus_get_compat_t ofw_bus_default_get_compat;
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static ofw_bus_get_model_t ofw_bus_default_get_model;
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static ofw_bus_get_name_t ofw_bus_default_get_name;
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static ofw_bus_get_node_t ofw_bus_default_get_node;
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static ofw_bus_get_type_t ofw_bus_default_get_type;
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static const struct ofw_bus_devinfo *
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ofw_bus_default_get_devinfo(device_t bus, device_t dev)
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{
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return (NULL);
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}
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static const char *
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ofw_bus_default_get_compat(device_t bus, device_t dev)
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{
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return (NULL);
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}
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static const char *
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ofw_bus_default_get_model(device_t bus, device_t dev)
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{
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return (NULL);
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}
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static const char *
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ofw_bus_default_get_name(device_t bus, device_t dev)
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{
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return (NULL);
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}
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static phandle_t
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ofw_bus_default_get_node(device_t bus, device_t dev)
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{
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return (-1);
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}
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static const char *
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ofw_bus_default_get_type(device_t bus, device_t dev)
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{
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return (NULL);
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}
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};
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# Get the ofw_bus_devinfo struct for the device dev on the bus. Used for bus
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# drivers which use the generic methods in ofw_bus_subr.c to implement the
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# reset of this interface. The default method will return NULL, which means
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# there is no such struct associated with the device.
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METHOD const struct ofw_bus_devinfo * get_devinfo {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_devinfo;
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# Get the alternate firmware name for the device dev on the bus. The default
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# method will return NULL, which means the device doesn't have such a property.
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METHOD const char * get_compat {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_compat;
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# Get the firmware model name for the device dev on the bus. The default method
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# will return NULL, which means the device doesn't have such a property.
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METHOD const char * get_model {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_model;
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# Get the firmware name for the device dev on the bus. The default method will
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# return NULL, which means the device doesn't have such a property.
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METHOD const char * get_name {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_name;
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# Get the firmware node for the device dev on the bus. The default method will
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# return 0, which signals that there is no such node.
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METHOD phandle_t get_node {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_node;
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# Get the firmware device type for the device dev on the bus. The default
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# method will return NULL, which means the device doesn't have such a property.
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METHOD const char * get_type {
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device_t bus;
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device_t dev;
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} DEFAULT ofw_bus_default_get_type;
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