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/* $OpenBSD: if_fxp_cardbus.c,v 1.39 2024/05/24 06:26:47 jsg Exp $ */
/* $NetBSD: if_fxp_cardbus.c,v 1.12 2000/05/08 18:23:36 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.
*
* 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 i8255x family of Ethernet chips.
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/mii/miivar.h>
#include <dev/ic/fxpreg.h>
#include <dev/ic/fxpvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/cardbus/cardbusvar.h>
int fxp_cardbus_match(struct device *, void *, void *);
void fxp_cardbus_attach(struct device *, struct device *, void *);
int fxp_cardbus_detach(struct device *, int);
void fxp_cardbus_setup(struct fxp_softc *);
struct fxp_cardbus_softc {
struct fxp_softc sc;
cardbus_devfunc_t ct;
pcitag_t ct_tag;
pcireg_t base0_reg;
pcireg_t base1_reg;
bus_size_t size;
pci_chipset_tag_t pc;
};
const struct cfattach fxp_cardbus_ca = {
sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach,
fxp_cardbus_detach
};
const struct pci_matchid fxp_cardbus_devices[] = {
{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255X },
};
#ifdef CBB_DEBUG
#define DPRINTF(X) printf X
#else
#define DPRINTF(X)
#endif
int
fxp_cardbus_match(struct device *parent, void *match, void *aux)
{
return (cardbus_matchbyid((struct cardbus_attach_args *)aux,
fxp_cardbus_devices, nitems(fxp_cardbus_devices)));
}
void
fxp_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
char intrstr[16];
struct fxp_softc *sc = (struct fxp_softc *) self;
struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
struct cardbus_attach_args *ca = aux;
struct cardbus_softc *psc =
(struct cardbus_softc *)sc->sc_dev.dv_parent;
cardbus_chipset_tag_t cc = psc->sc_cc;
cardbus_function_tag_t cf = psc->sc_cf;
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;
csc->pc = ca->ca_pc;
/*
* 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", __func__);
sc->sc_dmat = ca->ca_dmat;
#if 0
sc->sc_enable = fxp_cardbus_enable;
sc->sc_disable = fxp_cardbus_disable;
sc->sc_enabled = 0;
#endif
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, sc->sc_dev.dv_xname);
if (NULL == sc->sc_ih) {
printf(": couldn't establish interrupt");
printf("at %d\n", ca->ca_intrline);
return;
}
snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline);
sc->sc_revision = PCI_REVISION(ca->ca_class);
fxp_attach(sc, intrstr);
}
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 *) sc->sc_dev.dv_parent;
cardbus_chipset_tag_t cc = psc->sc_cc;
pci_chipset_tag_t pc = csc->pc;
cardbus_function_tag_t cf = psc->sc_cf;
pcireg_t command;
csc->ct_tag = pci_make_tag(pc, csc->ct->ct_bus,
csc->ct->ct_dev, csc->ct->ct_func);
command = pci_conf_read(pc, csc->ct_tag, PCI_COMMAND_STATUS_REG);
if (csc->base0_reg) {
pci_conf_write(pc, csc->ct_tag, CARDBUS_BASE0_REG, csc->base0_reg);
(cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
command |= PCI_COMMAND_MEM_ENABLE |
PCI_COMMAND_MASTER_ENABLE;
} else if (csc->base1_reg) {
pci_conf_write(pc, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg);
(cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
command |= (PCI_COMMAND_IO_ENABLE |
PCI_COMMAND_MASTER_ENABLE);
}
(cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
/* enable the card */
pci_conf_write(pc, csc->ct_tag, PCI_COMMAND_STATUS_REG, command);
}
int
fxp_cardbus_detach(struct device *self, int flags)
{
struct fxp_softc *sc = (struct fxp_softc *) self;
struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
struct cardbus_devfunc *ct = csc->ct;
int reg;
cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
fxp_detach(sc);
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 (0);
}
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