4ad7e9b01a
SoCs and various chips (including, famously, their wifi chips.) This is "just" (all 20,000 lines of it) code to enumerate the various versions of busses inside these devices, including the PCI bridge and the direct SIBA bridge found in MIPS chips. It also includes shared code for some bus operations (suspend, resume, etc); EEPROM/SROM/etc parsing and other things that are shared between chips. Eventually this'll replace the code that bwi/bwn uses for the internal bus, as well as some apparently upcoming mips74k broadcom SoC support which uses bwn! Thanks to Landon Fuller <landonf@landonf.org> for all this work! Obtained from: https://github.com/landonf/freebsd/compare/user/landonf/bcm4331-CURRENT
128 lines
3.7 KiB
Objective-C
128 lines
3.7 KiB
Objective-C
#-
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# Copyright (c) 2015 Landon Fuller <landon@landonf.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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#include <sys/types.h>
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#include <sys/bus.h>
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#
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# Parent bus interface required by attached bhndb bridge devices.
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#
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INTERFACE bhndb_bus;
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HEADER {
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struct bhnd_core_info;
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struct bhndb_hwcfg;
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struct bhndb_hw;
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};
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CODE {
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#include <sys/systm.h>
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static const struct bhnd_chipid *
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bhndb_null_get_chipid(device_t dev, device_t child)
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{
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return (NULL);
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}
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static const struct bhndb_hwcfg *
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bhndb_null_get_generic_hwcfg(device_t dev, device_t child)
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{
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panic("bhndb_get_generic_hwcfg unimplemented");
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}
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static const struct bhndb_hw *
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bhndb_null_get_hardware_table(device_t dev, device_t child)
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{
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panic("bhndb_get_hardware_table unimplemented");
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}
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static bool
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bhndb_null_is_core_disabled(device_t dev, device_t child,
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struct bhnd_core_info *core)
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{
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return (true);
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}
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}
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/**
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* Return a generic hardware configuration to be used by
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* the bhndb bridge device to enumerate attached devices.
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*
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* @param dev The parent device.
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* @param child The attached bhndb device.
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*
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* @retval bhndb_hwcfg The configuration to use for bus enumeration.
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*/
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METHOD const struct bhndb_hwcfg * get_generic_hwcfg {
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device_t dev;
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device_t child;
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} DEFAULT bhndb_null_get_generic_hwcfg;
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/**
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* Provide chip identification information to be used by a @p child during
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* device enumeration.
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*
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* May return NULL if the device includes a ChipCommon core.
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*
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* @param dev The parent device.
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* @param child The attached bhndb device.
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*/
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METHOD const struct bhnd_chipid * get_chipid {
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device_t dev;
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device_t child;
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} DEFAULT bhndb_null_get_chipid;
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/**
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* Return the hardware specification table to be used when identifying the
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* bridge's full hardware configuration.
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*
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* @param dev The parent device.
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* @param child The attached bhndb device.
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*/
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METHOD const struct bhndb_hw * get_hardware_table {
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device_t dev;
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device_t child;
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} DEFAULT bhndb_null_get_hardware_table;
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/**
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* Return true if the hardware required by @p core is unpopulated or
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* otherwise unusable.
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*
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* In some cases, the core's pins may be left floating, or the hardware
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* may otherwise be non-functional; this method allows the parent device
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* to explicitly specify whether @p core should be disabled.
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*
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* @param dev The parent device.
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* @param child The attached bhndb device.
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* @param core A core discovered on @p child.
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*/
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METHOD bool is_core_disabled {
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device_t dev;
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device_t child;
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struct bhnd_core_info *core;
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} DEFAULT bhndb_null_is_core_disabled;
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