498fa7c1f9
associates compat strings with arbitrary values that mean something to the driver. This is handy for drivers that support several variations of similar hardware and need to know which one matched. Reviewed by: imp, jmg, nwhitehorn
96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
/*-
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* Copyright (c) 2005 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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* without modification, immediately at the beginning of the file.
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_OFW_OFW_BUS_SUBR_H_
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#define _DEV_OFW_OFW_BUS_SUBR_H_
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#include <sys/bus.h>
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#include <dev/ofw/openfirm.h>
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#include "ofw_bus_if.h"
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#define ORIP_NOINT -1
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#define ORIR_NOTFOUND 0xffffffff
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struct ofw_bus_iinfo {
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uint8_t *opi_imap;
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uint8_t *opi_imapmsk;
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int opi_imapsz;
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pcell_t opi_addrc;
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};
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struct ofw_compat_data {
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const char *ocd_str;
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uintptr_t ocd_data;
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};
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/* Generic implementation of ofw_bus_if.m methods and helper routines */
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int ofw_bus_gen_setup_devinfo(struct ofw_bus_devinfo *, phandle_t);
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void ofw_bus_gen_destroy_devinfo(struct ofw_bus_devinfo *);
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ofw_bus_get_compat_t ofw_bus_gen_get_compat;
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ofw_bus_get_model_t ofw_bus_gen_get_model;
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ofw_bus_get_name_t ofw_bus_gen_get_name;
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ofw_bus_get_node_t ofw_bus_gen_get_node;
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ofw_bus_get_type_t ofw_bus_gen_get_type;
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/* Helper method to report interesting OF properties in pnpinfo */
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bus_child_pnpinfo_str_t ofw_bus_gen_child_pnpinfo_str;
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/* Routines for processing firmware interrupt maps */
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void ofw_bus_setup_iinfo(phandle_t, struct ofw_bus_iinfo *, int);
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int ofw_bus_lookup_imap(phandle_t, struct ofw_bus_iinfo *, void *, int,
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void *, int, void *, int, phandle_t *, void *);
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int ofw_bus_search_intrmap(void *, int, void *, int, void *, int, void *,
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void *, void *, int, phandle_t *);
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/* Helper to get node's interrupt parent */
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void ofw_bus_find_iparent(phandle_t);
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/* Helper routine for checking compat prop */
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int ofw_bus_is_compatible(device_t, const char *);
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int ofw_bus_is_compatible_strict(device_t, const char *);
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/*
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* Helper routine to search a list of compat properties. The table is
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* terminated by an entry with a NULL compat-string pointer; a pointer to that
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* table entry is returned if none of the compat strings match for the device,
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* giving you control over the not-found value. Will not return NULL unless the
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* provided table pointer is NULL.
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*/
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const struct ofw_compat_data *
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ofw_bus_search_compatible(device_t, const struct ofw_compat_data *);
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/* Helper routine for checking existence of a prop */
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int ofw_bus_has_prop(device_t, const char *);
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#endif /* !_DEV_OFW_OFW_BUS_SUBR_H_ */
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