380 lines
11 KiB
C
380 lines
11 KiB
C
/* $NetBSD: if_ep_pcmcia.c,v 1.63 2009/09/05 12:31:00 tsutsui 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 Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
|
|
* NASA Ames Research Center, and by Charles M. Hannum.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.63 2009/09/05 12:31:00 tsutsui Exp $");
|
|
|
|
#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>
|
|
|
|
#include <sys/cpu.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/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(device_t, cfdata_t, void *);
|
|
void ep_pcmcia_attach(device_t, device_t, void *);
|
|
int ep_pcmcia_detach(device_t, int);
|
|
|
|
int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *);
|
|
int ep_pcmcia_enable(struct ep_softc *);
|
|
void ep_pcmcia_disable(struct ep_softc *);
|
|
|
|
void ep_pcmcia_disable1(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 */
|
|
};
|
|
|
|
CFATTACH_DECL_NEW(ep_pcmcia, 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_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_3C509, 0 },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_3C509, 0 },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_3C509, 0 },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_3C509, 0 },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
|
|
|
|
{ { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1,
|
|
PCMCIA_CIS_INVALID },
|
|
ELINK_CHIPSET_3C509, 0 },
|
|
};
|
|
const size_t ep_pcmcia_nproducts =
|
|
sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]);
|
|
|
|
int
|
|
ep_pcmcia_match(device_t parent, cfdata_t match, void *aux)
|
|
{
|
|
struct pcmcia_attach_args *pa = aux;
|
|
|
|
/* This is to differentiate the serial function of some cards. */
|
|
if (pa->pf->function != PCMCIA_FUNCTION_NETWORK)
|
|
return 0;
|
|
|
|
if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts,
|
|
sizeof(ep_pcmcia_products[0]), NULL))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ep_pcmcia_enable(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)
|
|
return EIO;
|
|
|
|
error = pcmcia_function_enable(pf);
|
|
if (error) {
|
|
pcmcia_intr_disestablish(pf, sc->sc_ih);
|
|
sc->sc_ih = 0;
|
|
return error;
|
|
}
|
|
|
|
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 0;
|
|
}
|
|
|
|
void
|
|
ep_pcmcia_disable(struct ep_softc *sc)
|
|
{
|
|
struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
|
|
|
|
pcmcia_function_disable(psc->sc_pf);
|
|
pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
|
|
sc->sc_ih = 0;
|
|
}
|
|
|
|
void
|
|
ep_pcmcia_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct ep_pcmcia_softc *psc = device_private(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;
|
|
int error;
|
|
|
|
sc->sc_dev = self;
|
|
psc->sc_pf = pa->pf;
|
|
|
|
SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) {
|
|
if (cfe->num_memspace != 0)
|
|
continue;
|
|
if (cfe->num_iospace != 1)
|
|
continue;
|
|
|
|
if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
|
|
/*
|
|
* the 3c562 can only use 0x??00-0x??7f
|
|
* according to the Linux driver
|
|
*/
|
|
|
|
/*
|
|
* 3c562 i/o may decodes address line not only A0-3
|
|
* but also A7. Anyway, we must sweep at most
|
|
* [0x0000, 0x0100). The address higher is given by a
|
|
* pcmcia bridge. But pcmcia bus-space allocation
|
|
* function implies cards will decode 10-bit address
|
|
* line. So we must search [0x0000, 0x0400).
|
|
*
|
|
* XXX: We must not check the bunch of I/O space range
|
|
* [0x400*n, 0x300 + 0x400*n) because they are
|
|
* reserved for legacy ISA devices and their alias
|
|
* images on PC/AT architecture.
|
|
*/
|
|
for (i = 0x0300; i < 0x0380; i += 0x10) {
|
|
if (pcmcia_io_alloc(pa->pf, i,
|
|
cfe->iospace[0].length,
|
|
cfe->iospace[0].length,
|
|
&psc->sc_pcioh) == 0)
|
|
break;
|
|
}
|
|
if (i != 0x0380)
|
|
break;
|
|
} else {
|
|
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
|
|
cfe->iospace[0].length, cfe->iospace[0].length,
|
|
&psc->sc_pcioh) == 0)
|
|
break;
|
|
}
|
|
}
|
|
if (!cfe) {
|
|
aprint_error_dev(self, "failed to allocate I/O space\n");
|
|
goto ioalloc_failed;
|
|
}
|
|
|
|
sc->sc_iot = psc->sc_pcioh.iot;
|
|
sc->sc_ioh = psc->sc_pcioh.ioh;
|
|
|
|
/* Enable the card. */
|
|
pcmcia_function_init(pa->pf, cfe);
|
|
|
|
if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
|
|
PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh,
|
|
&psc->sc_io_window)) {
|
|
aprint_error_dev(self, "can't map i/o space\n");
|
|
goto iomap_failed;
|
|
}
|
|
|
|
error = ep_pcmcia_enable(sc);
|
|
if (error)
|
|
goto enable_failed;
|
|
sc->enabled = 1;
|
|
|
|
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 = pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts,
|
|
sizeof(ep_pcmcia_products[0]), NULL);
|
|
if (!epp)
|
|
panic("ep_pcmcia_attach: impossible");
|
|
|
|
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))
|
|
aprint_error_dev(self, "couldn't configure controller\n");
|
|
|
|
sc->enabled = 0;
|
|
ep_pcmcia_disable(sc);
|
|
return;
|
|
|
|
enable_failed:
|
|
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
|
|
iomap_failed:
|
|
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
|
|
ioalloc_failed:
|
|
psc->sc_io_window = -1;
|
|
}
|
|
|
|
int
|
|
ep_pcmcia_detach(device_t self, int flags)
|
|
{
|
|
struct ep_pcmcia_softc *psc = device_private(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(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;
|
|
}
|