NetBSD/sys/dev/pcmcia/if_ep_pcmcia.c

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/* $NetBSD: if_ep_pcmcia.c,v 1.33 2000/05/08 13:53:32 augustss Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* 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) 1997 Marc Horowitz. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Marc Horowitz.
* 4. 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.
*/
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#include "opt_inet.h"
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#include "opt_ns.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/elink3var.h>
#include <dev/ic/elink3reg.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
void ep_pcmcia_attach __P((struct device *, struct device *, void *));
int ep_pcmcia_detach __P((struct device *, int));
int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
int ep_pcmcia_enable __P((struct ep_softc *));
void ep_pcmcia_disable __P((struct ep_softc *));
int ep_pcmcia_enable1 __P((struct ep_softc *));
void ep_pcmcia_disable1 __P((struct ep_softc *));
struct ep_pcmcia_softc {
struct ep_softc sc_ep; /* real "ep" softc */
/* PCMCIA-specific goo */
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
int sc_io_window; /* our i/o window */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
};
struct cfattach ep_pcmcia_ca = {
sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach,
ep_pcmcia_detach, ep_activate
};
const struct ep_pcmcia_product {
struct pcmcia_product epp_product;
u_short epp_chipset; /* 3Com chipset used */
int epp_flags; /* initial softc flags */
} ep_pcmcia_products[] = {
{ { PCMCIA_STR_3COM_3C562, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3C562, 0 },
ELINK_CHIPSET_3C509, 0 },
{ { PCMCIA_STR_3COM_3C589, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3C589, 0 },
ELINK_CHIPSET_3C509, 0 },
{ { PCMCIA_STR_3COM_3CXEM556, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3CXEM556, 0 },
ELINK_CHIPSET_3C509, 0 },
{ { PCMCIA_STR_3COM_3CXEM556INT, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 },
ELINK_CHIPSET_3C509, 0 },
{ { PCMCIA_STR_3COM_3C574, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3C574, 0 },
ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
{ { PCMCIA_STR_3COM_3CCFEM556BI, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 },
ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
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{ { PCMCIA_STR_3COM_3C1, PCMCIA_VENDOR_3COM,
PCMCIA_PRODUCT_3COM_3C1, 0 },
ELINK_CHIPSET_3C509, 0 },
{ { NULL } }
};
int
ep_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (pcmcia_product_lookup(pa,
(const struct pcmcia_product *)ep_pcmcia_products,
sizeof ep_pcmcia_products[0], NULL) != NULL)
return (1);
return (0);
}
int
ep_pcmcia_enable(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int error;
/* establish the interrupt. */
sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return (1);
}
error = ep_pcmcia_enable1(sc);
if (error != 0)
pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
return (error);
}
int
ep_pcmcia_enable1(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
struct pcmcia_function *pf = psc->sc_pf;
int ret;
if ((ret = pcmcia_function_enable(pf)))
return (ret);
if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
(psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
(psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) {
int reg;
/* turn off the serial-disable bit */
reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
if (reg & 0x08) {
reg &= ~0x08;
pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
}
}
return (ret);
}
void
ep_pcmcia_disable(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
/*
* We must disestablish the interrupt before disabling the function,
* because on a multifunction card the interrupt disestablishment
* accesses CCR registers.
*/
pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
ep_pcmcia_disable1(sc);
}
void
ep_pcmcia_disable1(sc)
struct ep_softc *sc;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
pcmcia_function_disable(psc->sc_pf);
}
void
ep_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ep_pcmcia_softc *psc = (void *) self;
struct ep_softc *sc = &psc->sc_ep;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
const struct ep_pcmcia_product *epp;
u_int8_t myla[ETHER_ADDR_LEN];
u_int8_t *enaddr = NULL;
int i;
psc->sc_pf = pa->pf;
cfe = pa->pf->cfe_head.sqh_first;
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (ep_pcmcia_enable1(sc)) {
printf(": function enable failed\n");
goto enable_failed;
}
sc->enabled = 1;
if (cfe->num_memspace != 0) {
printf(": unexpected number of memory spaces %d should be 0\n",
cfe->num_memspace);
goto ioalloc_failed;
}
if (cfe->num_iospace != 1) {
printf(": unexpected number of I/O spaces %d should be 1\n",
cfe->num_iospace);
goto ioalloc_failed;
}
if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
bus_addr_t maxaddr = pa->pf->sc->iobase + pa->pf->sc->iosize;
for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
/*
* the 3c562 can only use 0x??00-0x??7f
* according to the Linux driver
*/
if (i & 0x80)
continue;
if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
0, &psc->sc_pcioh) == 0)
break;
}
if (i >= maxaddr) {
printf(": can't allocate i/o space\n");
goto ioalloc_failed;
}
} else {
if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
cfe->iospace[0].length, &psc->sc_pcioh)) {
printf(": can't allocate i/o space\n");
goto ioalloc_failed;
}
}
sc->sc_iot = psc->sc_pcioh.iot;
sc->sc_ioh = psc->sc_pcioh.ioh;
if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
&psc->sc_pcioh, &psc->sc_io_window)) {
printf(": can't map i/o space\n");
goto iomap_failed;
}
switch (pa->product) {
case PCMCIA_PRODUCT_3COM_3C562:
/*
* 3c562a-c use this; 3c562d does it in the regular way.
* we might want to check the revision and produce a warning
* in the future.
*/
/* FALLTHROUGH */
case PCMCIA_PRODUCT_3COM_3C574:
case PCMCIA_PRODUCT_3COM_3CCFEM556BI:
/*
* Apparently, some 3c574s do it this way, as well.
*/
if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla))
enaddr = myla;
break;
}
epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa,
(const struct pcmcia_product *)ep_pcmcia_products,
sizeof ep_pcmcia_products[0], NULL);
if (epp == NULL)
panic("ep_pcmcia_attach: impossible");
printf(": %s\n", epp->epp_product.pp_name);
sc->bustype = ELINK_BUS_PCMCIA;
sc->ep_flags = epp->epp_flags;
sc->enable = ep_pcmcia_enable;
sc->disable = ep_pcmcia_disable;
if (epconfig(sc, epp->epp_chipset, enaddr)) {
printf("%s: couldn't configure controller\n",
sc->sc_dev.dv_xname);
goto config_failed;
}
sc->enabled = 0;
ep_pcmcia_disable1(sc);
return;
config_failed:
/* Unmap our i/o window. */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
iomap_failed:
/* Free our i/o space. */
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
ioalloc_failed:
sc->enabled = 0;
ep_pcmcia_disable1(sc);
enable_failed:
psc->sc_io_window = -1;
}
int
ep_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self;
int rv;
if (psc->sc_io_window == -1)
/* Nothing to detach. */
return (0);
rv = ep_detach(self, flags);
if (rv != 0)
return (rv);
/* Unmap our i/o window. */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
/* Free our i/o space. */
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
return (0);
}
int
ep_pcmcia_get_enaddr(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
u_int8_t *myla = arg;
int i;
/* this is 3c562a-c magic */
if (tuple->code == 0x88) {
if (tuple->length < ETHER_ADDR_LEN)
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
}
return (1);
}
return (0);
}