95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
/* $NetBSD: cy_isa.c,v 1.2 1996/09/26 19:24:04 thorpej Exp $ */
|
|
|
|
/*
|
|
* cy.c
|
|
*
|
|
* Driver for Cyclades Cyclom-8/16/32 multiport serial cards
|
|
* (currently not tested with Cyclom-32 cards)
|
|
*
|
|
* Timo Rossi, 1996
|
|
*
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
|
|
#include <dev/isa/isavar.h>
|
|
#include <dev/isa/isareg.h>
|
|
|
|
#include <dev/ic/cd1400reg.h>
|
|
#include <dev/ic/cyreg.h>
|
|
#include <dev/ic/cyvar.h>
|
|
|
|
static int cy_probe_isa __P((struct device *, void *, void *));
|
|
static void cy_attach_isa __P((struct device *, struct device *, void *));
|
|
|
|
struct cfattach cy_isa_ca = {
|
|
sizeof(struct cy_softc), cy_probe_isa, cy_attach_isa
|
|
};
|
|
|
|
static int
|
|
cy_probe_isa(parent, match, aux)
|
|
struct device *parent;
|
|
void *match, *aux;
|
|
{
|
|
struct isa_attach_args *ia = aux;
|
|
struct cy_softc sc;
|
|
int found;
|
|
|
|
memcpy(&sc.sc_dev, match, sizeof(struct device));
|
|
|
|
sc.sc_bc = ia->ia_bc;
|
|
sc.sc_bustype = CY_BUSTYPE_ISA;
|
|
|
|
if (ia->ia_irq == IRQUNK) {
|
|
printf("%s: interrupt not defined\n", sc.sc_dev.dv_xname);
|
|
return 0;
|
|
}
|
|
|
|
if (bus_mem_map(ia->ia_bc, ia->ia_maddr, CY_MEMSIZE, 0,
|
|
&sc.sc_memh) != 0)
|
|
return 0;
|
|
|
|
found = cy_find(&sc);
|
|
|
|
bus_mem_unmap(ia->ia_bc, sc.sc_memh, CY_MEMSIZE);
|
|
|
|
if (found) {
|
|
ia->ia_iosize = 0;
|
|
ia->ia_msize = CY_MEMSIZE;
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
static void
|
|
cy_attach_isa(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct cy_softc *sc = (void *) self;
|
|
struct isa_attach_args *ia = aux;
|
|
|
|
sc->sc_bc = ia->ia_bc;
|
|
sc->sc_bustype = CY_BUSTYPE_ISA;
|
|
|
|
if (bus_mem_map(ia->ia_bc, ia->ia_maddr, CY_MEMSIZE, 0,
|
|
&sc->sc_memh) != 0)
|
|
panic("%s: Cannot map memory", sc->sc_dev.dv_xname);
|
|
|
|
if (cy_find(sc) == 0)
|
|
panic("%s: Cannot find card", sc->sc_dev.dv_xname);
|
|
|
|
cy_attach(parent, self, aux);
|
|
|
|
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq,
|
|
IST_EDGE, IPL_TTY, cy_intr, sc);
|
|
|
|
if (sc->sc_ih == NULL)
|
|
printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
|
|
}
|