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#-
# Copyright (c) 2015-2016 Landon Fuller <landonf@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.
#
#include <sys/types.h>
#include <sys/bus.h>
#
# Parent bus interface required by attached bhndb bridge devices.
#
INTERFACE bhndb_bus;
HEADER {
struct bhnd_core_info;
struct bhndb_hwcfg;
struct bhndb_hw;
};
CODE {
#include <sys/systm.h>
static const struct bhnd_chipid *
bhndb_null_get_chipid(device_t dev, device_t child)
{
return (NULL);
}
static const struct bhndb_hwcfg *
bhndb_null_get_generic_hwcfg(device_t dev, device_t child)
{
panic("bhndb_get_generic_hwcfg unimplemented");
}
static const struct bhndb_hw *
bhndb_null_get_hardware_table(device_t dev, device_t child)
{
panic("bhndb_get_hardware_table unimplemented");
}
static const struct bhndb_hw_priority *
bhndb_null_get_hardware_prio(device_t dev, device_t child)
{
panic("bhndb_get_hardware_prio unimplemented");
}
static bool
bhndb_null_is_core_disabled(device_t dev, device_t child,
struct bhnd_core_info *core)
{
return (true);
}
}
/**
* Return a generic hardware configuration to be used by
* the bhndb bridge device to enumerate attached devices.
*
* @param dev The parent device.
* @param child The attached bhndb device.
*
* @retval bhndb_hwcfg The configuration to use for bus enumeration.
*/
METHOD const struct bhndb_hwcfg * get_generic_hwcfg {
device_t dev;
device_t child;
} DEFAULT bhndb_null_get_generic_hwcfg;
/**
* Provide chip identification information to be used by a @p child during
* device enumeration.
*
* May return NULL if the device includes a ChipCommon core.
*
* @param dev The parent device.
* @param child The attached bhndb device.
*/
METHOD const struct bhnd_chipid * get_chipid {
device_t dev;
device_t child;
} DEFAULT bhndb_null_get_chipid;
/**
* Return the hardware specification table to be used when identifying the
* bridge's full hardware configuration.
*
* @param dev The parent device.
* @param child The attached bhndb device.
*/
METHOD const struct bhndb_hw * get_hardware_table {
device_t dev;
device_t child;
} DEFAULT bhndb_null_get_hardware_table;
/**
* Return the hardware priority table to be used when allocating bridge
* resources.
*
* @param dev The parent device.
* @param child The attached bhndb device.
*/
METHOD const struct bhndb_hw_priority * get_hardware_prio {
device_t dev;
device_t child;
} DEFAULT bhndb_null_get_hardware_prio;
/**
* Return true if the hardware required by @p core is unpopulated or
* otherwise unusable.
*
* In some cases, the core's pins may be left floating, or the hardware
* may otherwise be non-functional; this method allows the parent device
* to explicitly specify whether @p core should be disabled.
*
* @param dev The parent device.
* @param child The attached bhndb device.
* @param core A core discovered on @p child.
*/
METHOD bool is_core_disabled {
device_t dev;
device_t child;
struct bhnd_core_info *core;
} DEFAULT bhndb_null_is_core_disabled;
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