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/* $OpenBSD: if_tr_isa.c,v 1.3 2002/03/14 01:26:56 millert Exp $ */
/* $NetBSD: if_tr_isa.c,v 1.4 1999/04/30 15:29:24 bad Exp $ */
#undef TRISADEBUG
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Onno van der Linden.
*
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <sys/timeout.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/isa/isavar.h>
#include <dev/ic/tropicreg.h>
#include <dev/ic/tropicvar.h>
int tr_isa_probe(struct device *, void *, void *);
int trtcm_isa_probe(struct device *, void *, void *);
int tribm_isa_probe(struct device *, void *, void *);
void tr_isa_attach(struct device *, struct device *, void *);
int tr_isa_map_io(struct isa_attach_args *, bus_space_handle_t *,
bus_space_handle_t *);
void tr_isa_unmap_io(struct isa_attach_args *, bus_space_handle_t,
bus_space_handle_t);
int trtcm_isa_mediachange(struct tr_softc *);
void trtcm_isa_mediastatus(struct tr_softc *, struct ifmediareq *);
#ifdef TRISADEBUG
void tr_isa_dumpaip(bus_space_tag_t, bus_space_handle_t);
#endif
/*
* List of manufacturer specific probe routines. Order is important.
*/
int (*tr_isa_probe_list[])(struct device *, void *, void *) = {
trtcm_isa_probe,
tribm_isa_probe,
0
};
struct cfattach tr_isa_ca = {
sizeof(struct tr_softc), tr_isa_probe, tr_isa_attach
};
int
tr_isa_map_io(ia, pioh, mmioh)
struct isa_attach_args *ia;
bus_space_handle_t *pioh, *mmioh;
{
bus_size_t mmio;
u_int8_t s;
if (bus_space_map(ia->ia_iot, ia->ia_iobase, ia->ia_iosize, 0, pioh)) {
printf("tr_isa_map_io: can't map PIO ports\n");
return 1;
}
/* Read adapter switches and calculate addresses of MMIO. */
s = bus_space_read_1(ia->ia_iot, *pioh, TR_SWITCH);
if ((s & 0xfc) < ((TR_MMIO_MINADDR - TR_MMIO_OFFSET) >> 11) ||
(s & 0xfc) > ((TR_MMIO_MAXADDR - TR_MMIO_OFFSET) >> 11)) {
bus_space_unmap(ia->ia_iot, *pioh, ia->ia_iosize);
return 1;
}
mmio = ((s & 0xfc) << 11) + TR_MMIO_OFFSET;
if (bus_space_map(ia->ia_memt, mmio, TR_MMIO_SIZE, 0, mmioh)) {
printf("tr_isa_map_io: can't map MMIO region 0x%05lx/%d\n",
mmio, TR_MMIO_SIZE);
bus_space_unmap(ia->ia_iot, *pioh, ia->ia_iosize);
return 1;
}
return 0;
}
void
tr_isa_unmap_io(ia, pioh, mmioh)
struct isa_attach_args *ia;
bus_space_handle_t pioh, mmioh;
{
bus_space_unmap(ia->ia_memt, mmioh, TR_MMIO_SIZE);
bus_space_unmap(ia->ia_iot, pioh, ia->ia_iosize);
}
static u_char tr_isa_id[] = {
5, 0, 4, 9, 4, 3, 4, 15, 3, 6, 3, 1, 3, 1, 3, 0, 3, 9, 3, 9, 3, 0, 2, 0
};
/*
* XXX handle multiple IBM TR cards (sram mapping !!)
*/
int
tr_isa_probe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct isa_attach_args *ia = aux;
int i;
bus_size_t tr_id;
bus_space_handle_t sramh, pioh, mmioh;
int probecode;
int matched = 0;
for (i = 0; tr_isa_probe_list[i] != 0; i++) {
probecode = tr_isa_probe_list[i](parent, match, aux);
if (probecode < 0)
return 0; /* Fail instantly. */
if (probecode > 0)
break; /* We have a match. */
}
if (tr_isa_probe_list[i] == 0)
return 0; /* Nothing matched. */
if (tr_isa_map_io(ia, &pioh, &mmioh))
return 0;
tr_id = TR_ID_OFFSET;
matched = 1;
for (i = 0; i < sizeof(tr_isa_id); i++) {
if (bus_space_read_1(ia->ia_memt, mmioh, tr_id) !=
tr_isa_id[i])
matched = 0;
tr_id += 2;
}
#ifdef TRISADEBUG
tr_isa_dumpaip(ia->ia_memt, mmioh);
#endif
tr_isa_unmap_io(ia, pioh, mmioh);
if (!matched) {
return 0;
}
if (bus_space_map(ia->ia_memt, ia->ia_maddr, ia->ia_msize, 0, &sramh)) {
printf("tr_isa_probe: can't map shared ram\n");
return 0;
}
bus_space_unmap(ia->ia_memt, sramh, ia->ia_msize);
return 1;
}
int trtcm_setspeed(struct tr_softc *, int);
void
tr_isa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct tr_softc *sc = (void *) self;
struct isa_attach_args *ia = aux;
sc->sc_piot = ia->ia_iot;
sc->sc_memt = ia->ia_memt;
if (tr_isa_map_io(ia, &sc->sc_pioh, &sc->sc_mmioh)) {
printf("tr_isa_attach: IO space vanished\n");
return;
}
if (bus_space_map(sc->sc_memt, ia->ia_maddr, ia->ia_msize, 0,
&sc->sc_sramh)) {
printf("tr_isa_attach: shared ram space vanished\n");
return;
}
/* set ACA offset */
sc->sc_aca = TR_ACA_OFFSET;
sc->sc_memwinsz = ia->ia_msize;
sc->sc_maddr = ia->ia_maddr;
/*
* Determine total RAM on adapter and decide how much to use.
* XXX Since we don't use RAM paging, use sc_memwinsz for now.
*/
sc->sc_memsize = sc->sc_memwinsz;
sc->sc_memreserved = 0;
if (tr_reset(sc) != 0)
return;
if (ia->ia_aux != NULL) {
sc->sc_mediastatus = trtcm_isa_mediastatus;
sc->sc_mediachange = trtcm_isa_mediachange;
}
else {
sc->sc_mediastatus = NULL;
sc->sc_mediachange = NULL;
}
if (tr_attach(sc) != 0)
return;
/*
* XXX 3Com 619 can use LEVEL intr
*/
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, tr_intr, sc, sc->sc_dev.dv_xname);
}
#ifdef TRISADEBUG
/*
* Dump the adapters AIP
*/
void
tr_isa_dumpaip(memt, mmioh)
bus_space_tag_t memt;
bus_space_handle_t mmioh;
{
unsigned int off, val;
printf("AIP contents:");
for (off=0; off < 256; off++) {
val = bus_space_read_1(memt, mmioh, TR_MAC_OFFSET + off);
if ((off % 16) == 0)
printf("\n");
printf("%02x ", val);
}
printf("\n");
}
#endif
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