110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/* $NetBSD: lpt_ebus.c,v 1.5 2000/04/15 03:08:13 mrg 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 *, struct cfdata *, 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;
|
|
struct cfdata *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], 0,
|
|
lptintr, sc);
|
|
printf("\n");
|
|
|
|
lpt_attach_subr(sc);
|
|
}
|