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NetBSD/sys/dev/isa/depca_isa.c

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/* $NetBSD: depca_isa.c,v 1.6 2002/10/02 03:10:46 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
* Simulation Facility, NASA Ames Research Center.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: depca_isa.c,v 1.6 2002/10/02 03:10:46 thorpej Exp $");
#include "opt_inet.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/lancereg.h>
#include <dev/ic/lancevar.h>
#include <dev/ic/am7990reg.h>
#include <dev/ic/am7990var.h>
#include <dev/ic/depcareg.h>
#include <dev/ic/depcavar.h>
int depca_isa_probe(struct device *, struct cfdata *, void *);
void depca_isa_attach(struct device *, struct device *, void *);
struct depca_isa_softc {
struct depca_softc sc_depca;
isa_chipset_tag_t sc_ic;
int sc_irq;
};
CFATTACH_DECL(depca_isa, sizeof(struct depca_isa_softc),
depca_isa_probe, depca_isa_attach, NULL, NULL);
void *depca_isa_intr_establish(struct depca_softc *, struct lance_softc *);
int
depca_isa_probe(struct device *parent, struct cfdata *match, void *aux)
{
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
bus_space_handle_t memh;
int rv = 0;
if (ia->ia_nio < 1)
return (0);
if (ia->ia_niomem < 1)
return (0);
if (ia->ia_nirq < 1)
return (0);
if (ISA_DIRECT_CONFIG(ia))
return (0);
if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT)
return (0);
/* Disallow impossible i/o address. */
if (ia->ia_io[0].ir_addr != 0x200 && ia->ia_io[0].ir_addr != 0x300)
return (0);
/* Map i/o space. */
if (bus_space_map(iot, ia->ia_io[0].ir_addr, 16, 0, &ioh))
return 0;
if (ia->ia_iomem[0].ir_addr == ISACF_IOMEM_DEFAULT ||
(ia->ia_iomem[0].ir_size != 32*1024 &&
ia->ia_iomem[0].ir_size != 64*1024))
goto bad;
/* Map card RAM. */
if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr,
ia->ia_iomem[0].ir_size, 0, &memh))
goto bad;
/* Just needed to check mapability; don't need it anymore. */
bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size);
/* Stop the LANCE chip and put it in a known state. */
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP);
delay(100);
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0);
if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP)
goto bad;
bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3);
bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON);
bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM);
if (depca_readprom(iot, ioh, NULL))
goto bad;
ia->ia_nio = 1;
ia->ia_io[0].ir_size = 16;
ia->ia_niomem = 1;
ia->ia_nirq = 1;
ia->ia_ndrq = 0;
rv = 1;
bad:
bus_space_unmap(iot, ioh, 16);
return (rv);
}
void
depca_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct depca_softc *sc = (void *) self;
struct depca_isa_softc *isc = (void *) self;
struct isa_attach_args *ia = aux;
printf("\n");
sc->sc_iot = ia->ia_iot;
sc->sc_memt = ia->ia_memt;
sc->sc_memsize = ia->ia_iomem[0].ir_size;
if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, 16,
0, &sc->sc_ioh) != 0) {
printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname);
return;
}
if (bus_space_map(sc->sc_memt, ia->ia_iomem[0].ir_addr,
ia->ia_iomem[0].ir_size, 0, &sc->sc_memh) != 0) {
printf("%s: unable to map memory space\n", sc->sc_dev.dv_xname);
return;
}
isc->sc_ic = ia->ia_ic;
isc->sc_irq = ia->ia_irq[0].ir_irq;
sc->sc_intr_establish = depca_isa_intr_establish;
depca_attach(sc);
}
void *
depca_isa_intr_establish(struct depca_softc *parent, struct lance_softc *child)
{
struct depca_isa_softc *isc = (void *) parent;
void *rv;
rv = isa_intr_establish(isc->sc_ic, isc->sc_irq, IST_EDGE,
IPL_NET, depca_intredge, child);
if (rv == NULL)
printf("%s: unable to establish interrupt\n",
parent->sc_dev.dv_xname);
return (rv);
}
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