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/* $OpenBSD: lpt_ebus.c,v 1.2 2002/03/20 06:54:06 jason Exp $ */
/* $NetBSD: lpt_ebus.c,v 1.8 2002/03/01 11:51:00 martin Exp $ */
/*
* Copyright (c) 1999, 2000 Matthew R. Green
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 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.
*/
/*
* NS Super I/O PC87332VLJ "lpt" to ebus attachment
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <dev/ic/lptvar.h>
int lpt_ebus_match __P((struct device *, void *, void *));
void lpt_ebus_attach __P((struct device *, struct device *, void *));
struct cfattach lpt_ebus_ca = {
sizeof(struct lpt_softc), lpt_ebus_match, lpt_ebus_attach
};
#define ROM_LPT_NAME "ecpp"
int
lpt_ebus_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct ebus_attach_args *ea = aux;
if (strcmp(ea->ea_name, ROM_LPT_NAME) == 0)
return (1);
return (0);
}
void
lpt_ebus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct lpt_softc *sc = (void *)self;
struct ebus_attach_args *ea = aux;
int i;
sc->sc_iot = ea->ea_bustag;
/*
* Addresses that shoud be supplied by the prom:
* - normal lpt registers
* - ns873xx configuration registers
* - DMA space
* The `lpt' driver does not use DMA accesses, so we can
* ignore that for now. We should enable the lpt port in
* the ns873xx registers here. XXX
*
* Use the prom address if there.
*/
if (ea->ea_nvaddrs)
sc->sc_ioh = (bus_space_handle_t)ea->ea_vaddrs[0];
else if (ebus_bus_map(sc->sc_iot, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]),
ea->ea_regs[0].size,
BUS_SPACE_MAP_LINEAR,
0, &sc->sc_ioh) != 0) {
printf(": can't map register space\n");
return;
}
for (i = 0; i < ea->ea_nintrs; i++)
bus_intr_establish(ea->ea_bustag, ea->ea_intrs[i],
IPL_SERIAL, 0, lptintr, sc);
lpt_attach_common(sc);
}
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