NetBSD-5.0.2/sys/dev/pcmcia/if_mbe_pcmcia.c
/* $NetBSD: if_mbe_pcmcia.c,v 1.45 2008/04/28 20:23:56 martin Exp $ */
/*-
* Copyright (c) 1998, 2000, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Enami Tsugutomo.
*
* 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.
*
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_mbe_pcmcia.c,v 1.45 2008/04/28 20:23:56 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <sys/intr.h>
#include <sys/bus.h>
#include <dev/ic/mb86960reg.h>
#include <dev/ic/mb86960var.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
int mbe_pcmcia_match(device_t, cfdata_t, void *);
int mbe_pcmcia_validate_config(struct pcmcia_config_entry *);
void mbe_pcmcia_attach(device_t, device_t, void *);
int mbe_pcmcia_detach(device_t, int);
struct mbe_pcmcia_softc {
struct mb86960_softc sc_mb86960; /* real "mb" softc */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_ih; /* interrupt cookie */
int sc_state;
#define MBE_PCMCIA_ATTACHED 3
};
CFATTACH_DECL_NEW(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc),
mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate);
int mbe_pcmcia_enable(struct mb86960_softc *);
void mbe_pcmcia_disable(struct mb86960_softc *);
struct mbe_pcmcia_get_enaddr_args {
uint8_t enaddr[ETHER_ADDR_LEN];
int maddr;
};
int mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *);
int mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *,
struct mbe_pcmcia_get_enaddr_args *);
int mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *,
struct mbe_pcmcia_get_enaddr_args *);
static const struct mbe_pcmcia_product {
struct pcmcia_product mpp_product;
int mpp_enet_maddr;
int mpp_flags;
#define MBH10302 0x0001 /* FUJITSU MBH10302 */
} mbe_pcmcia_products[] = {
{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX,
PCMCIA_CIS_TDK_LAK_CD021BX },
-1, 0 },
{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CF010,
PCMCIA_CIS_TDK_LAK_CF010 },
-1, 0 },
#if 0 /* XXX 86960-based? */
{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610,
PCMCIA_CIS_TDK_DFL9610 },
-1, MBH10302 /* XXX */ },
#endif
{ { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_CNETPC,
PCMCIA_CIS_CONTEC_CNETPC },
-1, 0 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501,
PCMCIA_CIS_FUJITSU_LA501 },
-1, 0 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J181,
PCMCIA_CIS_FUJITSU_FMV_J181 },
-1, MBH10302 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182,
PCMCIA_CIS_FUJITSU_FMV_J182 },
0xf2c, 0 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182A,
PCMCIA_CIS_FUJITSU_FMV_J182A },
0x1cc, 0 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_ITCFJ182A,
PCMCIA_CIS_FUJITSU_ITCFJ182A },
0x1cc, 0 },
{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA10S,
PCMCIA_CIS_FUJITSU_LA10S },
-1, 0 },
{ { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_R280,
PCMCIA_CIS_RATOC_REX_R280 },
0x1fc, 0 },
};
static const size_t mbe_pcmcia_nproducts = __arraycount(mbe_pcmcia_products);
int
mbe_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
{
struct pcmcia_attach_args *pa = aux;
if (pcmcia_product_lookup(pa, mbe_pcmcia_products, mbe_pcmcia_nproducts,
sizeof(mbe_pcmcia_products[0]), NULL))
return 1;
return 0;
}
int
mbe_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
{
if (cfe->iftype != PCMCIA_IFTYPE_IO ||
cfe->num_iospace < 1)
return EINVAL;
return 0;
}
void
mbe_pcmcia_attach(device_t parent, device_t self, void *aux)
{
struct mbe_pcmcia_softc *psc = device_private(self);
struct mb86960_softc *sc = &psc->sc_mb86960;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
struct mbe_pcmcia_get_enaddr_args pgea;
const struct mbe_pcmcia_product *mpp;
int error;
sc->sc_dev = self;
psc->sc_pf = pa->pf;
error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config);
if (error) {
aprint_error_dev(self, "configure failed, error=%d\n",
error);
return;
}
cfe = pa->pf->cfe;
sc->sc_bst = cfe->iospace[0].handle.iot;
sc->sc_bsh = cfe->iospace[0].handle.ioh;
mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products,
mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL);
if (!mpp)
panic("%s: impossible", __func__);
/* Read station address from io/mem or CIS. */
if (mpp->mpp_enet_maddr >= 0) {
pgea.maddr = mpp->mpp_enet_maddr;
if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
aprint_error_dev(self, "couldn't get ethernet address "
"from memory\n");
goto fail;
}
} else if (mpp->mpp_flags & MBH10302) {
bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 ,
FE_MBH0_MASK | FE_MBH0_INTR_ENABLE);
if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) {
aprint_error_dev(self,
"couldn't get ethernet address from i/o\n");
goto fail;
}
} else {
if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) {
aprint_error_dev(self,
"couldn't get ethernet address from CIS\n");
goto fail;
}
memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
}
/* Perform generic initialization. */
if (mpp->mpp_flags & MBH10302)
sc->sc_flags |= FE_FLAGS_MB86960;
sc->sc_enable = mbe_pcmcia_enable;
sc->sc_disable = mbe_pcmcia_disable;
error = mbe_pcmcia_enable(sc);
if (error)
goto fail;
mb86960_attach(sc, pgea.enaddr);
mb86960_config(sc, NULL, 0, 0);
mbe_pcmcia_disable(sc);
psc->sc_state = MBE_PCMCIA_ATTACHED;
return;
fail:
pcmcia_function_unconfigure(pa->pf);
}
int
mbe_pcmcia_detach(struct device *self, int flags)
{
struct mbe_pcmcia_softc *psc = device_private(self);
int error;
if (psc->sc_state != MBE_PCMCIA_ATTACHED)
return 0;
error = mb86960_detach(&psc->sc_mb86960);
if (error)
return error;
pcmcia_function_unconfigure(psc->sc_pf);
return 0;
}
int
mbe_pcmcia_enable(struct mb86960_softc *sc)
{
struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
int error;
/* Establish the interrupt handler. */
psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
sc);
if (!psc->sc_ih)
return EIO;
error = pcmcia_function_enable(psc->sc_pf);
if (error) {
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
psc->sc_ih = 0;
}
return error;
}
void
mbe_pcmcia_disable(struct mb86960_softc *sc)
{
struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
pcmcia_function_disable(psc->sc_pf);
pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
psc->sc_ih = 0;
}
int
mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *psc,
struct mbe_pcmcia_get_enaddr_args *ea)
{
struct mb86960_softc *sc = &psc->sc_mb86960;
int i;
for (i = 0; i < ETHER_ADDR_LEN; i++)
ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
FE_MBH_ENADDR + i);
return 0;
}
int
mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *psc,
struct mbe_pcmcia_get_enaddr_args *ea)
{
struct mb86960_softc *sc = &psc->sc_mb86960;
struct pcmcia_mem_handle pcmh;
bus_size_t offset;
int i, mwindow, rv = 1;
if (ea->maddr < 0)
goto bad_memaddr;
if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
aprint_error_dev(sc->sc_dev, "can't alloc mem for enet addr\n");
goto memalloc_failed;
}
if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
aprint_error_dev(sc->sc_dev, "can't map mem for enet addr\n");
goto memmap_failed;
}
for (i = 0; i < ETHER_ADDR_LEN; i++)
ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
offset + (i * 2));
rv = 0;
pcmcia_mem_unmap(psc->sc_pf, mwindow);
memmap_failed:
pcmcia_mem_free(psc->sc_pf, &pcmh);
memalloc_failed:
bad_memaddr:
return rv;
}