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NetBSD/sys/dev/cardbus/if_fxp_cardbus.c

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/* $NetBSD: if_fxp_cardbus.c,v 1.23 2006/03/29 06:22:38 thorpej Exp $ */
/*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Johan Danielsson.
*
* 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.
*/
/*
* CardBus front-end for the Intel i82557 family of Ethernet chips.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_fxp_cardbus.c,v 1.23 2006/03/29 06:22:38 thorpej Exp $");
#include "opt_inet.h"
#include "opt_ns.h"
#include "bpfilter.h"
#include "rnd.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#if NRND > 0
#include <sys/rnd.h>
#endif
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <machine/endian.h>
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/i82557reg.h>
#include <dev/ic/i82557var.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/cardbus/cardbusvar.h>
#include <dev/pci/pcidevs.h>
static int fxp_cardbus_match(struct device *, struct cfdata *, void *);
static void fxp_cardbus_attach(struct device *, struct device *, void *);
static int fxp_cardbus_detach(struct device * self, int flags);
static void fxp_cardbus_setup(struct fxp_softc * sc);
static int fxp_cardbus_enable(struct fxp_softc * sc);
static void fxp_cardbus_disable(struct fxp_softc * sc);
struct fxp_cardbus_softc {
struct fxp_softc sc;
cardbus_devfunc_t ct;
pcireg_t base0_reg;
pcireg_t base1_reg;
bus_size_t size;
};
CFATTACH_DECL(fxp_cardbus, sizeof(struct fxp_cardbus_softc),
fxp_cardbus_match, fxp_cardbus_attach, fxp_cardbus_detach, fxp_activate);
#ifdef CBB_DEBUG
#define DPRINTF(X) printf X
#else
#define DPRINTF(X)
#endif
static int
fxp_cardbus_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct cardbus_attach_args *ca = aux;
if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_INTEL &&
CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_INTEL_82557)
return (1);
return (0);
}
static void
fxp_cardbus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
static const char thisfunc[] = "fxp_cardbus_attach";
struct fxp_softc *sc = device_private(self);
struct fxp_cardbus_softc *csc = device_private(self);
struct cardbus_attach_args *ca = aux;
bus_space_tag_t iot, memt;
bus_space_handle_t ioh, memh;
bus_addr_t adr;
bus_size_t size;
csc->ct = ca->ca_ct;
/*
* Map control/status registers.
*/
if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
csc->base1_reg = adr | 1;
sc->sc_st = iot;
sc->sc_sh = ioh;
csc->size = size;
} else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
0, &memt, &memh, &adr, &size) == 0) {
csc->base0_reg = adr;
sc->sc_st = memt;
sc->sc_sh = memh;
csc->size = size;
} else
panic("%s: failed to allocate mem and io space", thisfunc);
if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1])
printf(": %s %s\n", ca->ca_cis.cis1_info[0],
ca->ca_cis.cis1_info[1]);
else
printf("\n");
sc->sc_dmat = ca->ca_dmat;
sc->sc_enable = fxp_cardbus_enable;
sc->sc_disable = fxp_cardbus_disable;
sc->sc_enabled = 0;
fxp_enable(sc);
fxp_attach(sc);
fxp_disable(sc);
}
static void
fxp_cardbus_setup(struct fxp_softc * sc)
{
struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
struct cardbus_softc *psc =
(struct cardbus_softc *) device_parent(&sc->sc_dev);
cardbus_chipset_tag_t cc = psc->sc_cc;
cardbus_function_tag_t cf = psc->sc_cf;
pcireg_t command;
cardbustag_t tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus,
csc->ct->ct_func);
command = Cardbus_conf_read(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG);
if (csc->base0_reg) {
Cardbus_conf_write(csc->ct, tag,
CARDBUS_BASE0_REG, csc->base0_reg);
(cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
command |= CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE;
} else if (csc->base1_reg) {
Cardbus_conf_write(csc->ct, tag,
CARDBUS_BASE1_REG, csc->base1_reg);
(cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
command |= (CARDBUS_COMMAND_IO_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE);
}
(cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
/* enable the card */
Cardbus_conf_write(csc->ct, tag, CARDBUS_COMMAND_STATUS_REG, command);
}
static int
fxp_cardbus_enable(struct fxp_softc * sc)
{
struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
struct cardbus_softc *psc =
(struct cardbus_softc *) device_parent(&sc->sc_dev);
cardbus_chipset_tag_t cc = psc->sc_cc;
cardbus_function_tag_t cf = psc->sc_cf;
Cardbus_function_enable(csc->ct);
fxp_cardbus_setup(sc);
/* Map and establish the interrupt. */
sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
fxp_intr, sc);
if (NULL == sc->sc_ih) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return 1;
}
printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname,
psc->sc_intrline);
return 0;
}
static void
fxp_cardbus_disable(struct fxp_softc * sc)
{
struct cardbus_softc *psc =
(struct cardbus_softc *) device_parent(&sc->sc_dev);
cardbus_chipset_tag_t cc = psc->sc_cc;
cardbus_function_tag_t cf = psc->sc_cf;
/* Remove interrupt handler. */
cardbus_intr_disestablish(cc, cf, sc->sc_ih);
Cardbus_function_disable(((struct fxp_cardbus_softc *) sc)->ct);
}
static int
fxp_cardbus_detach(self, flags)
struct device *self;
int flags;
{
struct fxp_softc *sc = device_private(self);
struct fxp_cardbus_softc *csc = device_private(self);
struct cardbus_devfunc *ct = csc->ct;
int rv, reg;
#ifdef DIAGNOSTIC
if (ct == NULL)
panic("%s: data structure lacks", sc->sc_dev.dv_xname);
#endif
rv = fxp_detach(sc);
if (rv == 0) {
/*
* Unhook the interrupt handler.
*/
cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
/*
* release bus space and close window
*/
if (csc->base0_reg)
reg = CARDBUS_BASE0_REG;
else
reg = CARDBUS_BASE1_REG;
Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
}
return (rv);
}
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