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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
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* $Id$
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*
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* Bus driver interface
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* Copyright (C) 2002 ETC s.r.o.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* Written by Marcel Telka <marcel@telka.sk>, 2002.
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*
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*/
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#ifndef BUS_H
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#define BUS_H
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#include <stdint.h>
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#include "chain.h"
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typedef struct bus bus_t;
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struct bus {
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void *params;
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void (*prepare)( bus_t *bus );
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int (*width)( bus_t *bus, uint32_t adr );
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void (*read_start)( bus_t *bus, uint32_t adr );
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uint32_t (*read_next)( bus_t *bus, uint32_t adr );
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uint32_t (*read_end)( bus_t *bus );
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uint32_t (*read)( bus_t *bus, uint32_t adr );
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void (*write)( bus_t *bus, uint32_t adr, uint32_t data );
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void (*free)( bus_t *bus );
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};
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#define bus_prepare(bus) bus->prepare(bus)
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#define bus_width(bus,adr) bus->width(bus,adr)
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#define bus_read_start(bus,adr) bus->read_start(bus,adr)
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#define bus_read_next(bus,adr) bus->read_next(bus,adr)
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#define bus_read_end(bus) bus->read_end(bus)
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#define bus_read(bus,adr) bus->read(bus,adr)
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#define bus_write(bus,adr,data) bus->write(bus,adr,data)
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#define bus_free(bus) bus->free(bus)
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bus_t *new_sa1110_bus( chain_t *chain, int pn );
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bus_t *new_pxa250_bus( chain_t *chain, int pn );
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bus_t *new_ixp425_bus( chain_t *chain, int pn );
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bus_t *new_sh7727_bus( chain_t *chain, int pn );
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#endif /* BUS_H */
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